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authorRalf Baechle <ralf@linux-mips.org>1997-07-29 03:58:24 +0000
committerRalf Baechle <ralf@linux-mips.org>1997-07-29 03:58:24 +0000
commit1c5c0c934f91fbce2825acbb849e98781e774c1d (patch)
tree12b5ae03516d4103bc070e4579ae1f7f71c27d24 /drivers
parent4fe70c31de87823ac9e804f4795589ba74dc6971 (diff)
Merge with 2.1.47. Some more cleanup and module fixes.
Diffstat (limited to 'drivers')
-rw-r--r--drivers/Makefile13
-rw-r--r--drivers/char/Config.in5
-rw-r--r--drivers/char/Makefile8
-rw-r--r--drivers/char/ftape/ecc.c33
-rw-r--r--drivers/char/lp.c46
-rw-r--r--drivers/char/rocket.c2978
-rw-r--r--drivers/char/rocket_int.h1149
-rw-r--r--drivers/char/tty_io.c4
-rw-r--r--drivers/misc/.cvsignore1
-rw-r--r--drivers/misc/BUGS-parport13
-rw-r--r--drivers/misc/Makefile48
-rw-r--r--drivers/misc/TODO-parport21
-rw-r--r--drivers/misc/parport_arc.c77
-rw-r--r--drivers/misc/parport_ieee1284.c89
-rw-r--r--drivers/misc/parport_init.c114
-rw-r--r--drivers/misc/parport_pc.c885
-rw-r--r--drivers/misc/parport_procfs.c341
-rw-r--r--drivers/misc/parport_share.c319
-rw-r--r--drivers/net/Config.in2
-rw-r--r--drivers/net/eexpress.c2
-rw-r--r--drivers/net/ibmtr.c2
-rw-r--r--drivers/net/lance.c24
-rw-r--r--drivers/net/scc.c6
-rw-r--r--drivers/net/soundmodem/.cvsignore3
-rw-r--r--drivers/net/soundmodem/Makefile2
-rw-r--r--drivers/net/soundmodem/gentbl.c4
-rw-r--r--drivers/net/strip.c2
-rw-r--r--drivers/net/tlan.h5
-rw-r--r--drivers/pnp/BUGS-parport13
-rw-r--r--drivers/pnp/Config.in4
-rw-r--r--drivers/pnp/Makefile22
-rw-r--r--drivers/pnp/TODO-parport21
-rw-r--r--drivers/pnp/parport_init.c831
-rw-r--r--drivers/pnp/parport_ll_io.h21
-rw-r--r--drivers/pnp/parport_probe.c39
-rw-r--r--drivers/pnp/parport_procfs.c339
-rw-r--r--drivers/pnp/parport_share.c470
-rw-r--r--drivers/scsi/.cvsignore2
-rw-r--r--drivers/scsi/sgiwd93.c14
-rw-r--r--drivers/sound/.cvsignore3
-rw-r--r--drivers/sound/Config.in284
41 files changed, 6160 insertions, 2099 deletions
diff --git a/drivers/Makefile b/drivers/Makefile
index e7b86ed1e..df324c4bb 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -7,9 +7,9 @@
#
# Note 2! The CFLAGS definitions are now in the main makefile...
-SUB_DIRS := block char net pnp #streams
+SUB_DIRS := block char net misc #streams
MOD_SUB_DIRS := $(SUB_DIRS) sbus
-ALL_SUB_DIRS := $(SUB_DIRS) pci sgi scsi sound cdrom isdn pnp
+ALL_SUB_DIRS := $(SUB_DIRS) pci sgi scsi sound cdrom isdn misc pnp
ifdef CONFIG_PCI
SUB_DIRS += pci
@@ -42,6 +42,15 @@ else
endif
endif
+ifeq ($(CONFIG_PNP),y)
+SUB_DIRS += pnp
+MOD_SUB_DIRS += pnp
+else
+ ifeq ($(CONFIG_PNP),m)
+ MOD_SUB_DIRS += pnp
+ endif
+endif
+
ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR),)
SUB_DIRS += cdrom
MOD_SUB_DIRS += cdrom
diff --git a/drivers/char/Config.in b/drivers/char/Config.in
index c02b376e8..0ef43d101 100644
--- a/drivers/char/Config.in
+++ b/drivers/char/Config.in
@@ -19,6 +19,7 @@ if [ "$CONFIG_SERIAL_EXTENDED" = "y" ]; then
fi
bool 'Non-standard serial port support' CONFIG_SERIAL_NONSTANDARD
if [ "$CONFIG_SERIAL_NONSTANDARD" = "y" ]; then
+ tristate 'Comtrol Rocketport support' CONFIG_ROCKETPORT
tristate 'Digiboard Intelligent Async Support' CONFIG_DIGIEPCA
if [ "$CONFIG_DIGIEPCA" = "n" ]; then
tristate 'Digiboard PC/Xx Support' CONFIG_DIGI
@@ -36,8 +37,8 @@ if [ "$CONFIG_SERIAL_NONSTANDARD" = "y" ]; then
int ' FIFO trigger level' CONFIG_ESPSERIAL_TRIGGER_LEVEL 768
fi
fi
-if [ "$CONFIG_PNP_PARPORT" != "n" ]; then
- dep_tristate 'Parallel printer support' CONFIG_PRINTER $CONFIG_PNP_PARPORT
+if [ "$CONFIG_PARPORT" != "n" ]; then
+ dep_tristate 'Parallel printer support' CONFIG_PRINTER $CONFIG_PARPORT
if [ "$CONFIG_PRINTER" != "n" ]; then
bool ' Support IEEE1284 status readback' CONFIG_PRINTER_READBACK
fi
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 73c1ac599..18d50bf74 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -61,6 +61,14 @@ else
endif
endif
+ifeq ($(CONFIG_ROCKETPORT),y)
+L_OBJS += rocket.o
+else
+ ifeq ($(CONFIG_ROCKETPORT),m)
+ M_OBJS += rocket.o
+ endif
+endif
+
ifeq ($(CONFIG_DIGI),y)
L_OBJS += pcxx.o
else
diff --git a/drivers/char/ftape/ecc.c b/drivers/char/ftape/ecc.c
index 5c7d86bd6..040ea0c85 100644
--- a/drivers/char/ftape/ecc.c
+++ b/drivers/char/ftape/ecc.c
@@ -21,38 +21,23 @@
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139,
* USA.
*
- * $Source: /home/bas/distr/ftape-2.03b/RCS/ecc.c,v $
- * $Author: bas $
+ * $Source: /src/cvs/linux/drivers/char/ftape/ecc.c,v $
+ * $Author: ralf $
*
- * $Revision: 1.32 $
- * $Date: 1995/04/22 07:30:15 $
- * $State: Beta $
+ * $Revision: 1.1.1.1 $
+ * $Date: 1997/06/01 03:17:30 $
+ * $State: Exp $
*
* This file contains the Reed-Solomon error correction code
* for the QIC-40/80 floppy-tape driver for Linux.
*/
#include <linux/ftape.h>
-#include <stdio.h>
-#include <sys/errno.h>
+#include <asm/byteorder.h>
#include "tracing.h"
#include "ecc.h"
-/*
- * Machines that are big-endian should define macro BIG_ENDIAN.
- * Unfortunately, there doesn't appear to be a standard include
- * file that works for all OSs.
- */
-
-#if defined(__sparc__) || defined(__hppa)
-#define BIG_ENDIAN
-#endif /* __sparc__ || __hppa */
-
-#if defined(__mips__)
-#error Find a smart way to determine the Endianness of the MIPS CPU
-#endif
-
#ifdef TEST
#undef TRACE()
@@ -845,15 +830,17 @@ int ecc_correct_data(struct memory_segment *mseg)
s[1] = ss[1];
s[2] = ss[2];
if (s[0] | s[1] | s[2]) {
-#ifdef BIG_ENDIAN
+#ifdef __BIG_ENDIAN
result = correct_block(&mseg->data[col + sizeof(long) - 1 - i],
mseg->blocks,
nerasures, erasure_loc, Ainv, s,
&mseg->corrected);
-#else
+#elif defined(__LITTLE_ENDIAN)
result = correct_block(&mseg->data[col + i], mseg->blocks,
nerasures, erasure_loc, Ainv, s,
&mseg->corrected);
+#else
+#error "Huh? Neither __BIG_ENDIAN nor __LITTLE_ENDIAN?"
#endif
if (result < 0) {
TRACE_EXIT;
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 9f9e5a992..caf5b5ccf 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -10,8 +10,11 @@
* "lp=" command line parameters added by Grant Guenther, grant@torque.net
* lp_read (Status readback) support added by Carsten Gross,
* carsten@sol.wohnheim.uni-ulm.de
+ * Support for parport by Philip Blundell <Philip.Blundell@pobox.com>
*/
+/* This driver is about due for a rewrite. */
+
#include <linux/module.h>
#include <linux/config.h>
@@ -23,7 +26,6 @@
#include <linux/ioport.h>
#include <linux/fcntl.h>
#include <linux/delay.h>
-#include <linux/init.h>
#include <asm/io.h>
#include <asm/uaccess.h>
@@ -31,12 +33,7 @@
#include <linux/parport.h>
#include <linux/lp.h>
-/* the BIOS manuals say there can be up to 4 lpt devices
- * but I have not seen a board where the 4th address is listed
- * if you have different hardware change the table below
- * please let me know if you have different equipment
- * if you have more than 3 printers, remember to increase LP_NO
- */
+/* if you have more than 3 printers, remember to increase LP_NO */
struct lp_struct lp_table[] =
{
{NULL, 0, LP_INIT_CHAR, LP_INIT_TIME, LP_INIT_WAIT, NULL, NULL, 0, 0, 0,
@@ -164,7 +161,7 @@ static inline int lp_char_interrupt(char lpchar, int minor)
static void lp_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
struct parport *pb = (struct parport *) dev_id;
- struct ppd *pd = pb->cad;
+ struct pardevice *pd = pb->cad;
struct lp_struct *lp_dev = (struct lp_struct *) pd->private;
if (lp_dev->lp_wait_q)
@@ -501,8 +498,9 @@ static int lp_open(struct inode * inode, struct file * file)
static int lp_release(struct inode * inode, struct file * file)
{
unsigned int minor = MINOR(inode->i_rdev);
+ unsigned int irq;
- if (LP_IRQ(minor) > 0) {
+ if ((irq = LP_IRQ(minor))) {
kfree_s(lp_table[minor].lp_buffer, LP_BUFFER_SIZE);
lp_table[minor].lp_buffer = NULL;
}
@@ -630,7 +628,7 @@ MODULE_PARM(parport, "1-" __MODULE_STRING(LP_NO) "i");
static int parport_ptr = 0;
-__initfunc(void lp_setup(char *str, int *ints))
+void lp_setup(char *str, int *ints)
{
/* Ugh. */
if (!strncmp(str, "parport", 7)) {
@@ -678,23 +676,18 @@ static int inline lp_searchfor(int list[], int a)
return 0;
}
-__initfunc(int lp_init(void))
+int lp_init(void)
{
int count = 0;
struct parport *pb;
- if (register_chrdev(LP_MAJOR, "lp", &lp_fops)) {
- printk("lp: unable to get major %d\n", LP_MAJOR);
- return -EIO;
- }
-
if (parport[0] == -2) return 0;
pb = parport_enumerate();
while (pb) {
/* We only understand PC-style ports. */
- if (pb->modes & PARPORT_MODE_SPP) {
+ if (pb->modes & PARPORT_MODE_PCSPP) {
if (parport[0] == -1 || lp_searchfor(parport, count) ||
(parport[0] == -3 &&
pb->probe_info.class == PARPORT_CLASS_PRINTER)) {
@@ -704,12 +697,8 @@ __initfunc(int lp_init(void))
lp_interrupt, PARPORT_DEV_TRAN,
(void *) &lp_table[count]);
lp_table[count].flags |= LP_EXIST;
- printk(KERN_INFO "lp%d: using %s at 0x%x, ",
- count, pb->name, pb->base);
- if (pb->irq == PARPORT_IRQ_NONE)
- printk("polling.\n");
- else
- printk("irq %d.\n", pb->irq);
+ printk(KERN_INFO "lp%d: using %s (%s).\n",
+ count, pb->name, (pb->irq == PARPORT_IRQ_NONE)?"polling":"interrupt-driven");
}
if (++count == LP_NO)
break;
@@ -720,9 +709,14 @@ __initfunc(int lp_init(void))
/* Successful specified devices increase count
* Unsuccessful specified devices increase failed
*/
- if (count)
- return 0;
-
+ if (count) {
+ if (register_chrdev(LP_MAJOR, "lp", &lp_fops)) {
+ printk("lp: unable to get major %d\n", LP_MAJOR);
+ return -EIO;
+ }
+ return 0;
+ }
+
printk(KERN_INFO "lp: driver loaded but no devices found\n");
#ifdef MODULE
return 0;
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
new file mode 100644
index 000000000..59d2666ab
--- /dev/null
+++ b/drivers/char/rocket.c
@@ -0,0 +1,2978 @@
+/*
+ * Rocketport device driver for Linux
+ *
+ * Written by Theodore Ts'o, 1995, 1996, 1997.
+ *
+ * Copyright (C) 1995, 1996, 1997 by Comtrol, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*
+ * Minor number schema:
+ *
+ * +-------------------------------+
+ * | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
+ * +---+-------+-------+-----------+
+ * | C | Board | AIOP | Port # |
+ * +---+-------+-------+-----------+
+ *
+ * C=0 implements normal POSIX tty.
+ * C=1 is reserved for the callout device.
+ *
+ * Normally, the user won't have to worry about the AIOP; as far as
+ * the user is concerned, the lower 5 bits of the minor number address
+ * the ports on a particular board (from 0 up to 32).
+ */
+
+/* Kernel includes */
+
+#include <linux/config.h>
+#include <linux/version.h>
+
+#if (defined(CONFIG_PCI) && (LINUX_VERSION_CODE >= 131072))
+#define ENABLE_PCI
+#endif
+
+#if (LINUX_VERSION_CODE > 66304)
+#define NEW_MODULES
+#endif
+
+#ifdef NEW_MODULES
+#ifdef MODVERSIONS
+#include <linux/modversions.h>
+#endif
+#include <linux/module.h>
+#include <linux/config.h>
+#else /* !NEW_MODULES */
+#ifdef MODVERSIONS
+#define MODULE
+#endif
+#include <linux/config.h>
+#include <linux/module.h>
+#endif /* NEW_MODULES */
+
+#include <linux/errno.h>
+#include <linux/major.h>
+#include <linux/kernel.h>
+#include <linux/signal.h>
+#include <linux/malloc.h>
+#include <linux/mm.h>
+
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/string.h>
+#include <linux/fcntl.h>
+#include <linux/ptrace.h>
+#include <linux/major.h>
+#include <linux/ioport.h>
+#ifdef ENABLE_PCI
+#include <linux/bios32.h>
+#include <linux/pci.h>
+#endif
+#if (LINUX_VERSION_CODE >= 131343) /* 2.1.15 -- XX get correct version */
+#include <linux/init.h>
+#else
+#define __initfunc(x) x
+#endif
+
+#include "rocket_int.h"
+#include <linux/rocket.h>
+
+#define ROCKET_VERSION "1.14a"
+#define ROCKET_DATE "19-Jul-97"
+
+#define ROCKET_PARANOIA_CHECK
+
+#undef ROCKET_DEBUG_OPEN
+#undef ROCKET_DEBUG_INTR
+#undef ROCKET_DEBUG_WRITE
+#undef ROCKET_DEBUG_FLOW
+#undef ROCKET_DEBUG_THROTTLE
+#undef ROCKET_DEBUG_WAIT_UNTIL_SENT
+#undef ROCKET_DEBUG_RECEIVE
+#undef ROCKET_DEBUG_HANGUP
+
+
+/* CAUTION!!!!! The TIME_STAT Function relies on the Pentium 64 bit
+ * register. For various reasons related to 1.2.13, the test for this
+ * register is omitted from this driver. If you are going to enable
+ * this option, make sure you are running a Pentium CPU and that a
+ * cat of /proc/cpuinfo shows ability TS Counters as Yes. Warning part
+ * done, don't cry to me if you enable this options and things won't
+ * work. If it gives you any problems, then disable the option. The code
+ * in this function is pretty straight forward, if it breaks on your
+ * CPU, there is probably something funny about your CPU.
+ */
+
+#undef TIME_STAT /* For performing timing statistics on driver. */
+ /* Produces printks, one every TIME_COUNTER loops, eats */
+ /* some of your CPU time. Good for testing or */
+ /* other checking, otherwise, leave it undefed */
+ /* Doug Ledford */
+#define TIME_STAT_CPU 100 /* This needs to be set to your processor speed */
+ /* For example, 100Mhz CPU, set this to 100 */
+#define TIME_COUNTER 180000 /* This is how many iterations to run before */
+ /* performing the printk statements. */
+ /* 6000 = 1 minute, 360000 = 1 hour, etc. */
+ /* Since time_stat is long long, this */
+ /* Can be really high if you want :) */
+#undef TIME_STAT_VERBOSE /* Undef this if you want a terse log message. */
+
+#define _INLINE_ inline
+
+/*
+ * Until we get a formal timer assignment
+ */
+#ifndef COMTROL_TIMER
+#define COMTROL_TIMER 26
+#endif
+
+#ifndef NEW_MODULES
+/*
+ * NB. we must include the kernel idenfication string in to install the module.
+ */
+#include <linux/version.h>
+/*static*/ char kernel_version[] = UTS_RELEASE;
+#endif
+
+static struct r_port *rp_table[MAX_RP_PORTS];
+static struct tty_struct *rocket_table[MAX_RP_PORTS];
+static unsigned int xmit_flags[NUM_BOARDS];
+static struct termios *rocket_termios[MAX_RP_PORTS];
+static struct termios *rocket_termios_locked[MAX_RP_PORTS];
+static void rp_wait_until_sent(struct tty_struct *tty, int timeout);
+static void rp_flush_buffer(struct tty_struct *tty);
+
+static struct tty_driver rocket_driver, callout_driver;
+static int rocket_refcount = 0;
+
+static int rp_num_ports_open = 0;
+
+unsigned long board1 = 0;
+unsigned long board2 = 0;
+unsigned long board3 = 0;
+unsigned long board4 = 0;
+unsigned long controller = 0;
+unsigned long support_low_speed = 0;
+int rp_baud_base = 460800;
+static unsigned long rcktpt_io_addr[NUM_BOARDS];
+static int max_board;
+#ifdef TIME_STAT
+static unsigned long long time_stat = 0;
+static unsigned long time_stat_short = 0;
+static unsigned long time_stat_long = 0;
+static unsigned long time_counter = 0;
+#endif
+
+/*
+ * Provide backwards compatibility for kernels prior to 2.1.8.
+ */
+#if (LINUX_VERSION_CODE < 131336)
+int copy_from_user(void *to, const void *from_user, unsigned long len)
+{
+ int error;
+
+ error = verify_area(VERIFY_READ, from_user, len);
+ if (error)
+ return len;
+ memcpy_fromfs(to, from_user, len);
+ return 0;
+}
+
+int copy_to_user(void *to_user, const void *from, unsigned long len)
+{
+ int error;
+
+ error = verify_area(VERIFY_WRITE, to_user, len);
+ if (error)
+ return len;
+ memcpy_tofs(to_user, from, len);
+ return 0;
+}
+#else
+#include <asm/uaccess.h>
+#endif
+
+/*
+ * tmp_buf is used as a temporary buffer by rp_write. We need to
+ * lock it in case the memcpy_fromfs blocks while swapping in a page,
+ * and some other program tries to do a serial write at the same time.
+ * Since the lock will only come under contention when the system is
+ * swapping and available memory is low, it makes sense to share one
+ * buffer across all the serial ports, since it significantly saves
+ * memory if large numbers of serial ports are open.
+ */
+static unsigned char *tmp_buf = 0;
+static struct semaphore tmp_buf_sem = MUTEX;
+
+static void rp_start(struct tty_struct *tty);
+
+static inline int rocket_paranoia_check(struct r_port *info,
+ dev_t device, const char *routine)
+{
+#ifdef ROCKET_PARANOIA_CHECK
+ static const char *badmagic =
+ "Warning: bad magic number for rocketport struct (%d, %d) in %s\n";
+ if (!info)
+ return 1;
+ if (info->magic != RPORT_MAGIC) {
+ printk(badmagic, MAJOR(device), MINOR(device), routine);
+ return 1;
+ }
+#endif
+ return 0;
+}
+
+/*
+ * Here begins the interrupt/polling routine for the Rocketport!
+ */
+static _INLINE_ void rp_do_receive(struct r_port *info, struct tty_struct *tty,
+ CHANNEL_t *cp, unsigned int ChanStatus)
+{
+ unsigned int CharNStat;
+ int ToRecv, wRecv, space, count;
+ unsigned char *cbuf;
+ char *fbuf;
+
+ ToRecv= sGetRxCnt(cp);
+ space = 2*TTY_FLIPBUF_SIZE;
+ cbuf = tty->flip.char_buf;
+ fbuf = tty->flip.flag_buf;
+ count = 0;
+#ifdef ROCKET_DEBUG_INTR
+ printk("rp_do_receive(%d, %d)...", ToRecv, space);
+#endif
+ if (ToRecv == 0 || (space <= 0))
+ return;
+
+ /*
+ * determine how many we can actually read in. If we can't
+ * read any in then we have a software overrun condition.
+ */
+ if (ToRecv > space)
+ ToRecv = space;
+
+ /*
+ * if status indicates there are errored characters in the
+ * FIFO, then enter status mode (a word in FIFO holds
+ * character and status).
+ */
+ if (ChanStatus & (RXFOVERFL | RXBREAK | RXFRAME | RXPARITY)) {
+ if (!(ChanStatus & STATMODE)) {
+#ifdef ROCKET_DEBUG_RECEIVE
+ printk("Entering STATMODE...");
+#endif
+ ChanStatus |= STATMODE;
+ sEnRxStatusMode(cp);
+ }
+ }
+
+ /*
+ * if we previously entered status mode, then read down the
+ * FIFO one word at a time, pulling apart the character and
+ * the status. Update error counters depending on status
+ */
+ if (ChanStatus & STATMODE) {
+#ifdef ROCKET_DEBUG_RECEIVE
+ printk("Ignore %x, read %x...", info->ignore_status_mask,
+ info->read_status_mask);
+#endif
+ while (ToRecv) {
+ CharNStat= sInW(sGetTxRxDataIO(cp));
+
+#ifdef ROCKET_DEBUG_RECEIVE
+ printk("%x...", CharNStat);
+#endif
+
+ if (CharNStat & STMBREAKH)
+ CharNStat &= ~(STMFRAMEH | STMPARITYH);
+ if (CharNStat & info->ignore_status_mask) {
+ ToRecv--;
+ continue;
+ }
+ CharNStat &= info->read_status_mask;
+ if (CharNStat & STMBREAKH) {
+ *fbuf++ = TTY_BREAK;
+#if 0
+ if (info->flags & ROCKET_SAK)
+ do_SAK(tty);
+#endif
+ } else if (CharNStat & STMPARITYH)
+ *fbuf++ = TTY_PARITY;
+ else if (CharNStat & STMFRAMEH)
+ *fbuf++ = TTY_FRAME;
+ else if (CharNStat & STMRCVROVRH)
+ *fbuf++ =TTY_OVERRUN;
+ else
+ *fbuf++ = 0;
+ *cbuf++ = CharNStat & 0xff;
+ count++;
+ ToRecv--;
+ }
+
+ /*
+ * after we've emptied the FIFO in status mode, turn
+ * status mode back off
+ */
+ if (sGetRxCnt(cp) == 0) {
+#ifdef ROCKET_DEBUG_RECEIVE
+ printk("Status mode off.\n");
+#endif
+ sDisRxStatusMode(cp);
+ }
+ } else {
+ /*
+ * we aren't in status mode, so read down the FIFO two
+ * characters at time by doing repeated word IO
+ * transfer.
+ */
+ wRecv= ToRecv >> 1;
+ if (wRecv)
+ sInStrW(sGetTxRxDataIO(cp), cbuf,
+ wRecv);
+ if (ToRecv & 1)
+ cbuf[ToRecv-1] = sInB(sGetTxRxDataIO(cp));
+ memset(fbuf, 0, ToRecv);
+ cbuf += ToRecv;
+ fbuf += ToRecv;
+ count += ToRecv;
+ }
+ tty->ldisc.receive_buf(tty, tty->flip.char_buf,
+ tty->flip.flag_buf, count);
+}
+
+/*
+ * This routine is called when a transmit interrupt is found. It's
+ * responsible for pushing data found in the transmit buffer out to
+ * the serial card.
+ */
+static _INLINE_ void rp_do_transmit(struct r_port *info)
+{
+ int c;
+ CHANNEL_t *cp = &info->channel;
+ struct tty_struct *tty;
+
+#ifdef ROCKET_DEBUG_INTR
+ printk("rp_do_transmit ");
+#endif
+ if (!info)
+ return;
+ if (!info->tty) {
+ printk("rp: WARNING rp_do_transmit called with info->tty==NULL\n");
+ xmit_flags[info->line >> 5] &= ~(1 << (info->line & 0x1f));
+ return;
+ }
+ tty = info->tty;
+ info->xmit_fifo_room = TXFIFO_SIZE - sGetTxCnt(cp);
+ while (1) {
+ if (tty->stopped || tty->hw_stopped)
+ break;
+ c = MIN(info->xmit_fifo_room,
+ MIN(info->xmit_cnt,
+ XMIT_BUF_SIZE - info->xmit_tail));
+ if (c <= 0 || info->xmit_fifo_room <= 0)
+ break;
+ sOutStrW(sGetTxRxDataIO(cp),
+ info->xmit_buf + info->xmit_tail, c/2);
+ if (c & 1)
+ sOutB(sGetTxRxDataIO(cp),
+ info->xmit_buf[info->xmit_tail + c -
+ 1]);
+ info->xmit_tail += c;
+ info->xmit_tail &= XMIT_BUF_SIZE-1;
+ info->xmit_cnt -= c;
+ info->xmit_fifo_room -= c;
+#ifdef ROCKET_DEBUG_INTR
+ printk("tx %d chars...", c);
+#endif
+ }
+ if (info->xmit_cnt == 0)
+ xmit_flags[info->line >> 5] &= ~(1 << (info->line & 0x1f));
+ if (info->xmit_cnt < WAKEUP_CHARS) {
+ if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
+ tty->ldisc.write_wakeup)
+ (tty->ldisc.write_wakeup)(tty);
+ wake_up_interruptible(&tty->write_wait);
+ }
+#ifdef ROCKET_DEBUG_INTR
+ printk("(%d,%d,%d,%d)...", info->xmit_cnt, info->xmit_head,
+ info->xmit_tail, info->xmit_fifo_room);
+#endif
+}
+
+/*
+ * This function is called for each port which has signalled an
+ * interrupt. It checks what interrupts are pending and services
+ * them.
+ */
+static _INLINE_ void rp_handle_port(struct r_port *info)
+{
+ CHANNEL_t *cp;
+ struct tty_struct *tty;
+ unsigned int IntMask, ChanStatus;
+
+ if (!info)
+ return;
+ if ( (info->flags & ROCKET_INITIALIZED) == 0 ) {
+ printk("rp: WARNING: rp_handle_port called with info->flags & NOT_INIT\n");
+ return;
+ }
+ if (!info->tty) {
+ printk("rp: WARNING: rp_handle_port called with info->tty==NULL\n");
+ return;
+ }
+ cp = &info->channel;
+ tty = info->tty;
+
+ IntMask = sGetChanIntID(cp) & info->intmask;
+#ifdef ROCKET_DEBUG_INTR
+ printk("rp_interrupt %02x...", IntMask);
+#endif
+ ChanStatus= sGetChanStatus(cp);
+ if (IntMask & RXF_TRIG) { /* Rx FIFO trigger level */
+ rp_do_receive(info, tty, cp, ChanStatus);
+ }
+#if 0
+ if (IntMask & SRC_INT) { /* Special receive condition */
+ }
+#endif
+ if (IntMask & DELTA_CD) { /* CD change */
+#if (defined(ROCKET_DEBUG_OPEN) || defined(ROCKET_DEBUG_INTR) || \
+ defined(ROCKET_DEBUG_HANGUP))
+ printk("ttyR%d CD now %s...", info->line,
+ (ChanStatus & CD_ACT) ? "on" : "off");
+#endif
+ if (!(ChanStatus & CD_ACT) &&
+ info->cd_status &&
+ !((info->flags & ROCKET_CALLOUT_ACTIVE) &&
+ (info->flags & ROCKET_CALLOUT_NOHUP))) {
+#ifdef ROCKET_DEBUG_HANGUP
+ printk("CD drop, calling hangup.\n");
+#endif
+ tty_hangup(tty);
+ }
+ info->cd_status = (ChanStatus & CD_ACT) ? 1 : 0;
+ wake_up_interruptible(&info->open_wait);
+ }
+#ifdef ROCKET_DEBUG_INTR
+ if (IntMask & DELTA_CTS) { /* CTS change */
+ printk("CTS change...\n");
+ }
+ if (IntMask & DELTA_DSR) { /* DSR change */
+ printk("DSR change...\n");
+ }
+#endif
+}
+
+/*
+ * The top level polling routine.
+ */
+static void rp_do_poll(void)
+{
+ CONTROLLER_t *ctlp;
+ int ctrl, aiop, ch, line;
+ unsigned int xmitmask;
+ unsigned char CtlMask, AiopMask;
+
+#ifdef TIME_STAT
+ unsigned long low=0, high=0, loop_time;
+ unsigned long long time_stat_tmp=0, time_stat_tmp2=0;
+
+ __asm__(".byte 0x0f,0x31"
+ :"=a" (low), "=d" (high));
+ time_stat_tmp = high;
+ time_stat_tmp <<= 32;
+ time_stat_tmp += low;
+#endif /* TIME_STAT */
+
+ for (ctrl=0; ctrl < max_board; ctrl++) {
+ if (rcktpt_io_addr[ctrl] <= 0)
+ continue;
+ ctlp= sCtlNumToCtlPtr(ctrl);
+
+#ifdef ENABLE_PCI
+ if(ctlp->BusType == isPCI)
+ CtlMask= sPCIGetControllerIntStatus(ctlp);
+ else
+#endif
+ CtlMask= sGetControllerIntStatus(ctlp);
+ for (aiop=0; CtlMask; CtlMask >>= 1, aiop++) {
+ if (CtlMask & 1) {
+ AiopMask= sGetAiopIntStatus(ctlp, aiop);
+ for (ch=0; AiopMask; AiopMask >>= 1, ch++) {
+ if (AiopMask & 1) {
+ line = (ctrl << 5) |
+ (aiop << 3) | ch;
+ rp_handle_port(rp_table[line]);
+ }
+ }
+ }
+ }
+ xmitmask = xmit_flags[ctrl];
+ for (line = ctrl << 5; xmitmask; xmitmask >>= 1, line++) {
+ if (xmitmask & 1)
+ rp_do_transmit(rp_table[line]);
+ }
+ }
+
+ /*
+ * Reset the timer so we get called at the next clock tick.
+ */
+ if (rp_num_ports_open) {
+ timer_active |= 1 << COMTROL_TIMER;
+ }
+#ifdef TIME_STAT
+ __asm__(".byte 0x0f,0x31"
+ :"=a" (low), "=d" (high));
+ time_stat_tmp2 = high;
+ time_stat_tmp2 <<= 32;
+ time_stat_tmp2 += low;
+ time_stat_tmp2 -= time_stat_tmp;
+ time_stat += time_stat_tmp2;
+ if (time_counter == 0)
+ time_stat_short = time_stat_long = time_stat_tmp2;
+ else {
+ if ( time_stat_tmp2 < time_stat_short )
+ time_stat_short = time_stat_tmp2;
+ else if ( time_stat_tmp2 > time_stat_long )
+ time_stat_long = time_stat_tmp2;
+ }
+ if ( ++time_counter == TIME_COUNTER ) {
+ loop_time = (unsigned long) ( ((unsigned long)(time_stat >> 32) * ( (unsigned long)(0xffffffff)/(TIME_STAT_CPU * TIME_COUNTER) ) ) + ((unsigned long)time_stat/(TIME_STAT_CPU*TIME_COUNTER)));
+#ifdef TIME_STAT_VERBOSE
+ printk("rp_do_poll: Interrupt Timings\n");
+ printk(" %5ld iterations; %ld us min,\n",
+ (long)TIME_COUNTER, (time_stat_short/TIME_STAT_CPU));
+ printk(" %5ld us max, %ld us average per iteration.\n",
+ (time_stat_long/TIME_STAT_CPU), loop_time);
+ printk("We want to use < 5,000 us for an iteration.\n");
+#else /* TIME_STAT_VERBOSE */
+ printk("rp: %ld loops: %ld min, %ld max, %ld us/loop.\n",
+ (long)TIME_COUNTER, (time_stat_short/TIME_STAT_CPU),
+ (time_stat_long/TIME_STAT_CPU), loop_time);
+#endif /* TIME_STAT_VERBOSE */
+ time_counter = time_stat = 0;
+ time_stat_short = time_stat_long = 0;
+ }
+#endif /* TIME_STAT */
+}
+/*
+ * Here ends the interrupt/polling routine.
+ */
+
+
+/*
+ * This function initializes the r_port structure, as well as enabling
+ * the port on the RocketPort board.
+ */
+static void init_r_port(int board, int aiop, int chan)
+{
+ struct r_port *info;
+ int line;
+ CONTROLLER_T *ctlp;
+ CHANNEL_t *cp;
+
+ line = (board << 5) | (aiop << 3) | chan;
+
+ ctlp= sCtlNumToCtlPtr(board);
+
+ info = kmalloc(sizeof(struct r_port), GFP_KERNEL);
+ if (!info) {
+ printk("Couldn't allocate info struct for line #%d\n", line);
+ return;
+ }
+ memset(info, 0, sizeof(struct r_port));
+
+ info->magic = RPORT_MAGIC;
+ info->line = line;
+ info->ctlp = ctlp;
+ info->board = board;
+ info->aiop = aiop;
+ info->chan = chan;
+ info->closing_wait = 3000;
+ info->close_delay = 50;
+ info->callout_termios =callout_driver.init_termios;
+ info->normal_termios = rocket_driver.init_termios;
+
+ info->intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD |
+ DELTA_CTS | DELTA_DSR;
+ if (sInitChan(ctlp, &info->channel, aiop, chan) == 0) {
+ printk("Rocketport sInitChan(%d, %d, %d) failed!\n",
+ board, aiop, chan);
+ kfree(info);
+ return;
+ }
+ cp = &info->channel;
+ rp_table[line] = info;
+}
+
+static int baud_table[] = {
+ 0, 50, 75, 110, 134, 150, 200, 300,
+ 600, 1200, 1800, 2400, 4800, 9600, 19200,
+ 38400, 57600, 115200, 230400, 460800, 0 };
+
+/*
+ * This routine configures a rocketport port so according to its
+ * termio settings.
+ */
+static void configure_r_port(struct r_port *info)
+{
+ unsigned cflag;
+ unsigned long flags;
+ int i, bits, baud;
+ CHANNEL_t *cp;
+
+ if (!info->tty || !info->tty->termios)
+ return;
+ cp = &info->channel;
+ cflag = info->tty->termios->c_cflag;
+
+ /* Byte size and parity */
+ if ((cflag & CSIZE) == CS8) {
+ sSetData8(cp);
+ bits = 10;
+ } else {
+ sSetData7(cp);
+ bits = 9;
+ }
+ if (cflag & CSTOPB) {
+ sSetStop2(cp);
+ bits++;
+ } else {
+ sSetStop1(cp);
+ }
+
+ if (cflag & PARENB) {
+ sEnParity(cp);
+ bits++;
+ if (cflag & PARODD) {
+ sSetOddParity(cp);
+ } else {
+ sSetEvenParity(cp);
+ }
+ } else {
+ sDisParity(cp);
+ }
+
+ /* baud rate */
+ i = cflag & CBAUD;
+ if (i & CBAUDEX) {
+ i &= ~CBAUDEX;
+ if (i < 1 || i > 4)
+ info->tty->termios->c_cflag &= ~CBAUDEX;
+ else
+ i += 15;
+ }
+ if (i == 15) {
+ if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_HI)
+ i += 1;
+ if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_VHI)
+ i += 2;
+ if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_SHI)
+ i += 3;
+ if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_WARP)
+ i += 4;
+ }
+ baud = baud_table[i] ? baud_table[i] : 9600;
+ info->cps = baud / bits;
+ sSetBaud(cp, (rp_baud_base/baud) - 1);
+
+ if (cflag & CRTSCTS) {
+ info->intmask |= DELTA_CTS;
+ sEnCTSFlowCtl(cp);
+ } else {
+ info->intmask &= ~DELTA_CTS;
+ sDisCTSFlowCtl(cp);
+ }
+ sSetRTS(&info->channel);
+ if (cflag & CLOCAL)
+ info->intmask &= ~DELTA_CD;
+ else {
+ save_flags(flags); cli();
+ if (sGetChanStatus(cp) & CD_ACT)
+ info->cd_status = 1;
+ else
+ info->cd_status = 0;
+ info->intmask |= DELTA_CD;
+ restore_flags(flags);
+ }
+ /*
+ * Set up ignore/read mask words
+ */
+ info->read_status_mask = STMRCVROVRH | 0xFF;
+ if (I_INPCK(info->tty))
+ info->read_status_mask |= STMFRAMEH | STMPARITYH;
+ if (I_BRKINT(info->tty) || I_PARMRK(info->tty))
+ info->read_status_mask |= STMBREAKH;
+
+ /*
+ * Characters to ignore
+ */
+ info->ignore_status_mask = 0;
+ if (I_IGNPAR(info->tty))
+ info->ignore_status_mask |= STMFRAMEH | STMPARITYH;
+ if (I_IGNBRK(info->tty)) {
+ info->ignore_status_mask |= STMBREAKH;
+ /*
+ * If we're ignoring parity and break indicators,
+ * ignore overruns too. (For real raw support).
+ */
+ if (I_IGNPAR(info->tty))
+ info->ignore_status_mask |= STMRCVROVRH;
+ }
+}
+
+static int block_til_ready(struct tty_struct *tty, struct file * filp,
+ struct r_port *info)
+{
+ struct wait_queue wait = { current, NULL };
+ int retval;
+ int do_clocal = 0;
+ unsigned long flags;
+
+ /*
+ * If the device is in the middle of being closed, then block
+ * until it's done, and then try again.
+ */
+ if (tty_hung_up_p(filp))
+ return ((info->flags & ROCKET_HUP_NOTIFY) ?
+ -EAGAIN : -ERESTARTSYS);
+ if (info->flags & ROCKET_CLOSING) {
+ interruptible_sleep_on(&info->close_wait);
+ return ((info->flags & ROCKET_HUP_NOTIFY) ?
+ -EAGAIN : -ERESTARTSYS);
+ }
+
+ /*
+ * If this is a callout device, then just make sure the normal
+ * device isn't being used.
+ */
+ if (tty->driver.subtype == SERIAL_TYPE_CALLOUT) {
+ if (info->flags & ROCKET_NORMAL_ACTIVE)
+ return -EBUSY;
+ if ((info->flags & ROCKET_CALLOUT_ACTIVE) &&
+ (info->flags & ROCKET_SESSION_LOCKOUT) &&
+ (info->session != current->session))
+ return -EBUSY;
+ if ((info->flags & ROCKET_CALLOUT_ACTIVE) &&
+ (info->flags & ROCKET_PGRP_LOCKOUT) &&
+ (info->pgrp != current->pgrp))
+ return -EBUSY;
+ info->flags |= ROCKET_CALLOUT_ACTIVE;
+ return 0;
+ }
+
+ /*
+ * If non-blocking mode is set, or the port is not enabled,
+ * then make the check up front and then exit.
+ */
+ if ((filp->f_flags & O_NONBLOCK) ||
+ (tty->flags & (1 << TTY_IO_ERROR))) {
+ if (info->flags & ROCKET_CALLOUT_ACTIVE)
+ return -EBUSY;
+ info->flags |= ROCKET_NORMAL_ACTIVE;
+ return 0;
+ }
+
+ if (info->flags & ROCKET_CALLOUT_ACTIVE) {
+ if (info->normal_termios.c_cflag & CLOCAL)
+ do_clocal = 1;
+ } else {
+ if (tty->termios->c_cflag & CLOCAL)
+ do_clocal = 1;
+ }
+
+ /*
+ * Block waiting for the carrier detect and the line to become
+ * free (i.e., not in use by the callout). While we are in
+ * this loop, info->count is dropped by one, so that
+ * rp_close() knows when to free things. We restore it upon
+ * exit, either normal or abnormal.
+ */
+ retval = 0;
+ add_wait_queue(&info->open_wait, &wait);
+#ifdef ROCKET_DEBUG_OPEN
+ printk("block_til_ready before block: ttyR%d, count = %d\n",
+ info->line, info->count);
+#endif
+ save_flags(flags); cli();
+ if (!tty_hung_up_p(filp))
+ info->count--;
+ restore_flags(flags);
+ info->blocked_open++;
+ while (1) {
+ if (!(info->flags & ROCKET_CALLOUT_ACTIVE) &&
+ (tty->termios->c_cflag & CBAUD)) {
+ sSetDTR(&info->channel);
+ sSetRTS(&info->channel);
+ }
+ current->state = TASK_INTERRUPTIBLE;
+ if (tty_hung_up_p(filp) ||
+ !(info->flags & ROCKET_INITIALIZED)) {
+ if (info->flags & ROCKET_HUP_NOTIFY)
+ retval = -EAGAIN;
+ else
+ retval = -ERESTARTSYS;
+ break;
+ }
+ if (!(info->flags & ROCKET_CALLOUT_ACTIVE) &&
+ !(info->flags & ROCKET_CLOSING) &&
+ (do_clocal || (sGetChanStatusLo(&info->channel) &
+ CD_ACT)))
+ break;
+ if (current->signal & ~current->blocked) {
+ retval = -ERESTARTSYS;
+ break;
+ }
+#ifdef ROCKET_DEBUG_OPEN
+ printk("block_til_ready blocking: ttyR%d, count = %d, flags=0x%0x\n",
+ info->line, info->count, info->flags);
+#endif
+ schedule();
+ }
+ current->state = TASK_RUNNING;
+ remove_wait_queue(&info->open_wait, &wait);
+ cli();
+ if (!tty_hung_up_p(filp))
+ info->count++;
+ restore_flags(flags);
+ info->blocked_open--;
+#ifdef ROCKET_DEBUG_OPEN
+ printk("block_til_ready after blocking: ttyR%d, count = %d\n",
+ info->line, info->count);
+#endif
+ if (retval)
+ return retval;
+ info->flags |= ROCKET_NORMAL_ACTIVE;
+ return 0;
+}
+
+/*
+ * This routine is called whenever a rocketport board is opened.
+ */
+static int rp_open(struct tty_struct *tty, struct file * filp)
+{
+ struct r_port *info;
+ int line, retval;
+ CHANNEL_t *cp;
+ unsigned long page;
+
+ line = MINOR(tty->device) - tty->driver.minor_start;
+ if ((line < 0) || (line >= MAX_RP_PORTS))
+ return -ENODEV;
+ if (!tmp_buf) {
+ page = get_free_page(GFP_KERNEL);
+ if (!page)
+ return -ENOMEM;
+ if (tmp_buf)
+ free_page(page);
+ else
+ tmp_buf = (unsigned char *) page;
+ }
+ page = get_free_page(GFP_KERNEL);
+ if (!page)
+ return -ENOMEM;
+
+ tty->driver_data = info = rp_table[line];
+
+ if (info->flags & ROCKET_CLOSING) {
+ interruptible_sleep_on(&info->close_wait);
+ free_page(page);
+ return ((info->flags & ROCKET_HUP_NOTIFY) ?
+ -EAGAIN : -ERESTARTSYS);
+ }
+
+ /*
+ * We must not sleep from here until the port is marked fully
+ * in use.
+ */
+ if (rp_table[line] == NULL) {
+ tty->flags = (1 << TTY_IO_ERROR);
+ free_page(page);
+ return 0;
+ }
+ if (!info) {
+ printk("rp_open: rp_table[%d] is NULL!\n", line);
+ free_page(page);
+ return -EIO;
+ }
+ if (info->xmit_buf)
+ free_page(page);
+ else
+ info->xmit_buf = (unsigned char *) page;
+ info->tty = tty;
+
+ if (info->flags & ROCKET_CLOSING) {
+ interruptible_sleep_on(&info->close_wait);
+ return ((info->flags & ROCKET_HUP_NOTIFY) ?
+ -EAGAIN : -ERESTARTSYS);
+ }
+
+ if (info->count++ == 0) {
+#ifdef MODULE
+ MOD_INC_USE_COUNT;
+#endif
+ rp_num_ports_open++;
+#ifdef ROCKET_DEBUG_OPEN
+ printk("rocket mod++ = %d...", rp_num_ports_open);
+#endif
+ }
+#ifdef ROCKET_DEBUG_OPEN
+ printk("rp_open ttyR%d, count=%d\n", info->line, info->count);
+#endif
+ /*
+ * Info->count is now 1; so it's safe to sleep now.
+ */
+ info->session = current->session;
+ info->pgrp = current->pgrp;
+
+ cp = &info->channel;
+ sSetRxTrigger(cp, TRIG_1);
+ if (sGetChanStatus(cp) & CD_ACT)
+ info->cd_status = 1;
+ else
+ info->cd_status = 0;
+ sDisRxStatusMode(cp);
+ sFlushRxFIFO(cp);
+ sFlushTxFIFO(cp);
+
+ sEnInterrupts(cp, (TXINT_EN|MCINT_EN|RXINT_EN|SRCINT_EN|CHANINT_EN));
+ sSetRxTrigger(cp, TRIG_1);
+
+ sGetChanStatus(cp);
+ sDisRxStatusMode(cp);
+ sClrTxXOFF(cp);
+
+ sDisCTSFlowCtl(cp);
+ sDisTxSoftFlowCtl(cp);
+
+ sEnRxFIFO(cp);
+ sEnTransmit(cp);
+
+ info->flags |= ROCKET_INITIALIZED;
+
+ configure_r_port(info);
+ if (tty->termios->c_cflag & CBAUD) {
+ sSetDTR(cp);
+ sSetRTS(cp);
+ }
+
+ timer_active |= 1 << COMTROL_TIMER;
+
+ retval = block_til_ready(tty, filp, info);
+ if (retval) {
+#ifdef ROCKET_DEBUG_OPEN
+ printk("rp_open returning after block_til_ready with %d\n",
+ retval);
+#endif
+ return retval;
+ }
+
+ if ((info->count == 1) && (info->flags & ROCKET_SPLIT_TERMIOS)) {
+ if (tty->driver.subtype == SERIAL_TYPE_NORMAL)
+ *tty->termios = info->normal_termios;
+ else
+ *tty->termios = info->callout_termios;
+ configure_r_port(info);
+ }
+
+ return 0;
+}
+
+static void rp_close(struct tty_struct *tty, struct file * filp)
+{
+ struct r_port * info = (struct r_port *)tty->driver_data;
+ unsigned long flags;
+ int timeout;
+ CHANNEL_t *cp;
+
+ if (rocket_paranoia_check(info, tty->device, "rp_close"))
+ return;
+
+#ifdef ROCKET_DEBUG_OPEN
+ printk("rp_close ttyR%d, count = %d\n", info->line, info->count);
+#endif
+
+ save_flags(flags); cli();
+
+ if (tty_hung_up_p(filp)) {
+ restore_flags(flags);
+ return;
+ }
+ if ((tty->count == 1) && (info->count != 1)) {
+ /*
+ * Uh, oh. tty->count is 1, which means that the tty
+ * structure will be freed. Info->count should always
+ * be one in these conditions. If it's greater than
+ * one, we've got real problems, since it means the
+ * serial port won't be shutdown.
+ */
+ printk("rp_close: bad serial port count; tty->count is 1, "
+ "info->count is %d\n", info->count);
+ info->count = 1;
+ }
+ if (--info->count < 0) {
+ printk("rp_close: bad serial port count for ttyR%d: %d\n",
+ info->line, info->count);
+ info->count = 0;
+ }
+ if (info->count) {
+ restore_flags(flags);
+ return;
+ }
+ info->flags |= ROCKET_CLOSING;
+ /*
+ * Save the termios structure, since this port may have
+ * separate termios for callout and dialin.
+ */
+ if (info->flags & ROCKET_NORMAL_ACTIVE)
+ info->normal_termios = *tty->termios;
+ if (info->flags & ROCKET_CALLOUT_ACTIVE)
+ info->callout_termios = *tty->termios;
+
+ cp = &info->channel;
+
+ /*
+ * Notify the line discpline to only process XON/XOFF characters
+ */
+ tty->closing = 1;
+
+ /*
+ * If transmission was throttled by the application request,
+ * just flush the xmit buffer.
+ */
+#if (LINUX_VERSION_CODE >= 131343)
+ if (tty->flow_stopped)
+ rp_flush_buffer(tty);
+#endif
+
+ /*
+ * Wait for the transmit buffer to clear
+ */
+ if (info->closing_wait != ROCKET_CLOSING_WAIT_NONE)
+ tty_wait_until_sent(tty, info->closing_wait);
+ /*
+ * Before we drop DTR, make sure the UART transmitter
+ * has completely drained; this is especially
+ * important if there is a transmit FIFO!
+ */
+ timeout = (sGetTxCnt(cp)+1) * HZ / info->cps;
+ if (timeout == 0)
+ timeout = 1;
+ rp_wait_until_sent(tty, timeout);
+
+ xmit_flags[info->line >> 5] &= ~(1 << (info->line & 0x1f));
+ sDisTransmit(cp);
+ sDisInterrupts(cp, (TXINT_EN|MCINT_EN|RXINT_EN|SRCINT_EN|CHANINT_EN));
+ sDisCTSFlowCtl(cp);
+ sDisTxSoftFlowCtl(cp);
+ sClrTxXOFF(cp);
+ sFlushRxFIFO(cp);
+ sFlushTxFIFO(cp);
+ sClrRTS(cp);
+ if (C_HUPCL(tty)) {
+ sClrDTR(cp);
+ }
+ if (tty->driver.flush_buffer)
+ tty->driver.flush_buffer(tty);
+ if (tty->ldisc.flush_buffer)
+ tty->ldisc.flush_buffer(tty);
+
+ xmit_flags[info->line >> 5] &= ~(1 << (info->line & 0x1f));
+ if (info->blocked_open) {
+ if (info->close_delay) {
+ current->state = TASK_INTERRUPTIBLE;
+ current->timeout = jiffies + info->close_delay;
+ schedule();
+ }
+ wake_up_interruptible(&info->open_wait);
+ } else {
+ if (info->xmit_buf) {
+ free_page((unsigned long) info->xmit_buf);
+ info->xmit_buf = 0;
+ }
+ }
+ info->flags &= ~(ROCKET_INITIALIZED | ROCKET_CLOSING |
+ ROCKET_CALLOUT_ACTIVE | ROCKET_NORMAL_ACTIVE);
+ tty->closing = 0;
+ wake_up_interruptible(&info->close_wait);
+
+#ifdef MODULE
+ MOD_DEC_USE_COUNT;
+#endif
+ rp_num_ports_open--;
+#ifdef ROCKET_DEBUG_OPEN
+ printk("rocket mod-- = %d...", rp_num_ports_open);
+#endif
+ restore_flags(flags);
+
+#ifdef ROCKET_DEBUG_OPEN
+ printk("rp_close ttyR%d complete shutdown\n", info->line);
+#endif
+
+}
+
+static void rp_set_termios(struct tty_struct *tty, struct termios *old_termios)
+{
+ struct r_port * info = (struct r_port *)tty->driver_data;
+ CHANNEL_t *cp;
+ unsigned cflag;
+
+
+ if (rocket_paranoia_check(info, tty->device, "rp_set_termios"))
+ return;
+
+ cflag = tty->termios->c_cflag;
+
+ if (cflag == old_termios->c_cflag)
+ return;
+
+ /*
+ * This driver doesn't support CS5 or CS6
+ */
+ if (((cflag & CSIZE) == CS5) ||
+ ((cflag & CSIZE) == CS6))
+ tty->termios->c_cflag = ((cflag & ~CSIZE) |
+ (old_termios->c_cflag & CSIZE));
+
+ configure_r_port(info);
+
+ cp = &info->channel;
+
+ /* Handle transition to B0 status */
+ if ((old_termios->c_cflag & CBAUD) &&
+ !(tty->termios->c_cflag & CBAUD)) {
+ sClrDTR(cp);
+ sClrRTS(cp);
+ }
+
+ /* Handle transition away from B0 status */
+ if (!(old_termios->c_cflag & CBAUD) &&
+ (tty->termios->c_cflag & CBAUD)) {
+ if (!tty->hw_stopped ||
+ !(tty->termios->c_cflag & CRTSCTS)) {
+ sSetRTS(cp);
+ }
+ sSetDTR(cp);
+ }
+
+ if ((old_termios->c_cflag & CRTSCTS) &&
+ !(tty->termios->c_cflag & CRTSCTS)) {
+ tty->hw_stopped = 0;
+ rp_start(tty);
+ }
+}
+
+/*
+ * Here are the routines used by rp_ioctl
+ */
+
+static void send_break( struct r_port * info, int duration)
+{
+ current->state = TASK_INTERRUPTIBLE;
+ current->timeout = jiffies + duration;
+ cli();
+ sSendBreak(&info->channel);
+ schedule();
+ sClrBreak(&info->channel);
+ sti();
+}
+
+static int get_modem_info(struct r_port * info, unsigned int *value)
+{
+ unsigned int control, result, ChanStatus;
+
+ ChanStatus = sGetChanStatusLo(&info->channel);
+
+ control = info->channel.TxControl[3];
+ result = ((control & SET_RTS) ? TIOCM_RTS : 0)
+ | ((control & SET_DTR) ? TIOCM_DTR : 0)
+ | ((ChanStatus & CD_ACT) ? TIOCM_CAR : 0)
+ /* TIOCM_RNG not supported */
+ | ((ChanStatus & DSR_ACT) ? TIOCM_DSR : 0)
+ | ((ChanStatus & CTS_ACT) ? TIOCM_CTS : 0);
+
+ if (copy_to_user(value, &result, sizeof(int)))
+ return -EFAULT;
+ return 0;
+}
+
+static int set_modem_info(struct r_port * info, unsigned int cmd,
+ unsigned int *value)
+{
+ unsigned int arg;
+
+ if (copy_from_user(&arg, value, sizeof(int)))
+ return -EFAULT;
+
+ switch (cmd) {
+ case TIOCMBIS:
+ if (arg & TIOCM_RTS)
+ info->channel.TxControl[3] |= SET_RTS;
+ if (arg & TIOCM_DTR)
+ info->channel.TxControl[3] |= SET_DTR;
+ break;
+ case TIOCMBIC:
+ if (arg & TIOCM_RTS)
+ info->channel.TxControl[3] &= ~SET_RTS;
+ if (arg & TIOCM_DTR)
+ info->channel.TxControl[3] &= ~SET_DTR;
+ break;
+ case TIOCMSET:
+ info->channel.TxControl[3] =
+ ((info->channel.TxControl[3] & ~(SET_RTS | SET_DTR))
+ | ((arg & TIOCM_RTS) ? SET_RTS : 0)
+ | ((arg & TIOCM_DTR) ? SET_DTR : 0));
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ sOutDW(info->channel.IndexAddr,
+ *(DWord_t *) &(info->channel.TxControl[0]));
+
+ return 0;
+}
+
+static int get_config(struct r_port * info, struct rocket_config * retinfo)
+{
+ struct rocket_config tmp;
+
+ if (!retinfo)
+ return -EFAULT;
+ memset(&tmp, 0, sizeof(tmp));
+ tmp.line = info->line;
+ tmp.flags = info->flags;
+ tmp.close_delay = info->close_delay;
+ tmp.closing_wait = info->closing_wait;
+ tmp.port = rcktpt_io_addr[(info->line >> 5) & 3];
+
+ if (copy_to_user(retinfo,&tmp,sizeof(*retinfo)))
+ return -EFAULT;
+ return 0;
+}
+
+static int set_config(struct r_port * info, struct rocket_config * new_info)
+{
+ struct rocket_config new_serial;
+
+ if (copy_from_user(&new_serial, new_info, sizeof(new_serial)))
+ return -EFAULT;
+
+ if (!suser()) {
+ if ((new_serial.flags & ~ROCKET_USR_MASK) !=
+ (info->flags & ~ROCKET_USR_MASK))
+ return -EPERM;
+ info->flags = ((info->flags & ~ROCKET_USR_MASK) |
+ (new_serial.flags & ROCKET_USR_MASK));
+ configure_r_port(info);
+ return 0;
+ }
+
+ info->flags = ((info->flags & ~ROCKET_FLAGS) |
+ (new_serial.flags & ROCKET_FLAGS));
+ info->close_delay = new_serial.close_delay;
+ info->closing_wait = new_serial.closing_wait;
+ configure_r_port(info);
+
+ return 0;
+}
+
+static int get_ports(struct r_port * info, struct rocket_ports * retports)
+{
+ struct rocket_ports tmp;
+ int board, port, index;
+
+ if (!retports)
+ return -EFAULT;
+ memset(&tmp, 0, sizeof(tmp));
+ tmp.tty_major = rocket_driver.major;
+ tmp.callout_major = callout_driver.major;
+ for (board = 0; board < 4; board++) {
+ index = board << 5;
+ for (port = 0; port < 32; port++, index++) {
+ if (rp_table[index])
+ tmp.port_bitmap[board] |= 1 << port;
+ }
+ }
+ if (copy_to_user(retports,&tmp,sizeof(*retports)))
+ return -EFAULT;
+ return 0;
+}
+
+static int rp_ioctl(struct tty_struct *tty, struct file * file,
+ unsigned int cmd, unsigned long arg)
+{
+ int tmp;
+ struct r_port * info = (struct r_port *)tty->driver_data;
+ int retval;
+
+ if (cmd != RCKP_GET_PORTS &&
+ rocket_paranoia_check(info, tty->device, "rp_ioctl"))
+ return -ENODEV;
+
+ switch (cmd) {
+ case TCSBRK: /* SVID version: non-zero arg --> no break */
+ retval = tty_check_change(tty);
+ if (retval)
+ return retval;
+ tty_wait_until_sent(tty, 0);
+ if (current->signal & ~current->blocked)
+ return -EINTR;
+ if (!arg) {
+ send_break(info, HZ/4); /* 1/4 second */
+ if (current->signal & ~current->blocked)
+ return -EINTR;
+ }
+ return 0;
+ case TCSBRKP: /* support for POSIX tcsendbreak() */
+ retval = tty_check_change(tty);
+ if (retval)
+ return retval;
+ tty_wait_until_sent(tty, 0);
+ if (current->signal & ~current->blocked)
+ return -EINTR;
+ send_break(info, arg ? arg*(HZ/10) : HZ/4);
+ if (current->signal & ~current->blocked)
+ return -EINTR;
+ return 0;
+ case TIOCGSOFTCAR:
+ tmp = C_CLOCAL(tty) ? 1 : 0;
+ if (copy_to_user((void *)arg, &tmp, sizeof(int)))
+ return -EFAULT;
+ return 0;
+ case TIOCSSOFTCAR:
+ if (copy_from_user(&tmp, (void *)arg, sizeof(int)))
+ return -EFAULT;
+
+ tty->termios->c_cflag =
+ ((tty->termios->c_cflag & ~CLOCAL) |
+ (tmp ? CLOCAL : 0));
+ return 0;
+ case TIOCMGET:
+ return get_modem_info(info, (unsigned int *) arg);
+ case TIOCMBIS:
+ case TIOCMBIC:
+ case TIOCMSET:
+ return set_modem_info(info, cmd, (unsigned int *) arg);
+ case RCKP_GET_STRUCT:
+ if (copy_to_user((void *) arg, info,
+ sizeof(struct r_port)))
+ return -EFAULT;
+ return 0;
+
+ case RCKP_GET_CONFIG:
+ return get_config(info, (struct rocket_config *) arg);
+ case RCKP_SET_CONFIG:
+ return set_config(info, (struct rocket_config *) arg);
+
+ case RCKP_GET_PORTS:
+ return get_ports(info, (struct rocket_ports *) arg);
+ default:
+ return -ENOIOCTLCMD;
+ }
+ return 0;
+}
+
+#if (defined(ROCKET_DEBUG_FLOW) || defined(ROCKET_DEBUG_THROTTLE))
+static char *rp_tty_name(struct tty_struct *tty, char *buf)
+{
+ if (tty)
+ sprintf(buf, "%s%d", tty->driver.name,
+ MINOR(tty->device) - tty->driver.minor_start +
+ tty->driver.name_base);
+ else
+ strcpy(buf, "NULL tty");
+ return buf;
+}
+#endif
+
+static void rp_send_xchar(struct tty_struct *tty, char ch)
+{
+ struct r_port *info = (struct r_port *)tty->driver_data;
+ CHANNEL_t *cp;
+
+ if (rocket_paranoia_check(info, tty->device, "rp_send_xchar"))
+ return;
+
+ cp = &info->channel;
+ if (sGetTxCnt(cp))
+ sWriteTxPrioByte(cp, ch);
+ else
+ sWriteTxByte(sGetTxRxDataIO(cp), ch);
+}
+
+static void rp_throttle(struct tty_struct * tty)
+{
+ struct r_port *info = (struct r_port *)tty->driver_data;
+ CHANNEL_t *cp;
+#ifdef ROCKET_DEBUG_THROTTLE
+ char buf[64];
+
+ printk("throttle %s: %d....\n", rp_tty_name(tty, buf),
+ tty->ldisc.chars_in_buffer(tty));
+#endif
+
+ if (rocket_paranoia_check(info, tty->device, "rp_throttle"))
+ return;
+
+ cp = &info->channel;
+ if (I_IXOFF(tty))
+ rp_send_xchar(tty, STOP_CHAR(tty));
+
+ sClrRTS(&info->channel);
+}
+
+static void rp_unthrottle(struct tty_struct * tty)
+{
+ struct r_port *info = (struct r_port *)tty->driver_data;
+ CHANNEL_t *cp;
+#ifdef ROCKET_DEBUG_THROTTLE
+ char buf[64];
+
+ printk("unthrottle %s: %d....\n", rp_tty_name(tty, buf),
+ tty->ldisc.chars_in_buffer(tty));
+#endif
+
+ if (rocket_paranoia_check(info, tty->device, "rp_throttle"))
+ return;
+
+ cp = &info->channel;
+ if (I_IXOFF(tty))
+ rp_send_xchar(tty, START_CHAR(tty));
+
+ sSetRTS(&info->channel);
+}
+
+/*
+ * ------------------------------------------------------------
+ * rp_stop() and rp_start()
+ *
+ * This routines are called before setting or resetting tty->stopped.
+ * They enable or disable transmitter interrupts, as necessary.
+ * ------------------------------------------------------------
+ */
+static void rp_stop(struct tty_struct *tty)
+{
+ struct r_port * info = (struct r_port *)tty->driver_data;
+#ifdef ROCKET_DEBUG_FLOW
+ char buf[64];
+
+ printk("stop %s: %d %d....\n", rp_tty_name(tty, buf),
+ info->xmit_cnt, info->xmit_fifo_room);
+#endif
+
+ if (rocket_paranoia_check(info, tty->device, "rp_stop"))
+ return;
+
+ if (sGetTxCnt(&info->channel))
+ sDisTransmit(&info->channel);
+}
+
+static void rp_start(struct tty_struct *tty)
+{
+ struct r_port * info = (struct r_port *)tty->driver_data;
+#ifdef ROCKET_DEBUG_FLOW
+ char buf[64];
+
+ printk("start %s: %d %d....\n", rp_tty_name(tty, buf),
+ info->xmit_cnt, info->xmit_fifo_room);
+#endif
+
+ if (rocket_paranoia_check(info, tty->device, "rp_stop"))
+ return;
+
+ sEnTransmit(&info->channel);
+ xmit_flags[info->line >> 5] |= (1 << (info->line & 0x1f));
+}
+
+/*
+ * rp_wait_until_sent() --- wait until the transmitter is empty
+ */
+static void rp_wait_until_sent(struct tty_struct *tty, int timeout)
+{
+ struct r_port *info = (struct r_port *)tty->driver_data;
+ CHANNEL_t *cp;
+ unsigned long orig_jiffies;
+ int check_time, exit_time;
+ int txcnt;
+
+ if (rocket_paranoia_check(info, tty->device, "rp_wait_until_sent"))
+ return;
+
+ cp = &info->channel;
+
+ orig_jiffies = jiffies;
+#ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT
+ printk("In RP_wait_until_sent(%d) (jiff=%lu)...", timeout, jiffies);
+ printk("cps=%d...", info->cps);
+#endif
+ while (1) {
+ txcnt = sGetTxCnt(cp);
+ if (!txcnt) {
+ if (sGetChanStatusLo(cp) & TXSHRMT)
+ break;
+ check_time = (HZ / info->cps) / 5;
+ } else
+ check_time = HZ * txcnt / info->cps;
+ if (timeout) {
+ exit_time = orig_jiffies + timeout - jiffies;
+ if (exit_time <= 0)
+ break;
+ if (exit_time < check_time)
+ check_time = exit_time;
+ }
+ if (check_time == 0)
+ check_time = 1;
+#ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT
+ printk("txcnt = %d (jiff=%lu,check=%d)...", txcnt,
+ jiffies, check_time);
+#endif
+ current->state = TASK_INTERRUPTIBLE;
+ current->counter = 0; /* make us low-priority */
+ current->timeout = jiffies + check_time;
+ schedule();
+ if (current->signal & ~current->blocked)
+ break;
+ }
+ current->state = TASK_RUNNING;
+#ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT
+ printk("txcnt = %d (jiff=%lu)...done\n", txcnt, jiffies);
+#endif
+}
+
+/*
+ * rp_hangup() --- called by tty_hangup() when a hangup is signaled.
+ */
+static void rp_hangup(struct tty_struct *tty)
+{
+ CHANNEL_t *cp;
+ struct r_port * info = (struct r_port *)tty->driver_data;
+
+ if (rocket_paranoia_check(info, tty->device, "rp_hangup"))
+ return;
+
+#if (defined(ROCKET_DEBUG_OPEN) || defined(ROCKET_DEBUG_HANGUP))
+ printk("rp_hangup of ttyR%d...", info->line);
+#endif
+ /*
+ * If the port is in the process of being closed, just force
+ * the transmit buffer to be empty, and let rp_close handle
+ * the clean up.
+ */
+ if (info->flags & ROCKET_CLOSING) {
+ cli();
+ info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
+ sti();
+ wake_up_interruptible(&tty->write_wait);
+ return;
+ }
+ if (info->count) {
+#ifdef MODULE
+ MOD_DEC_USE_COUNT;
+#endif
+ rp_num_ports_open--;
+ }
+
+ xmit_flags[info->line >> 5] &= ~(1 << (info->line & 0x1f));
+ info->count = 0;
+ info->flags &= ~(ROCKET_NORMAL_ACTIVE|ROCKET_CALLOUT_ACTIVE);
+ info->tty = 0;
+
+ cp = &info->channel;
+ sDisRxFIFO(cp);
+ sDisTransmit(cp);
+ sDisInterrupts(cp, (TXINT_EN|MCINT_EN|RXINT_EN|SRCINT_EN|CHANINT_EN));
+ sDisCTSFlowCtl(cp);
+ sDisTxSoftFlowCtl(cp);
+ sClrTxXOFF(cp);
+ info->flags &= ~ROCKET_INITIALIZED;
+
+ wake_up_interruptible(&info->open_wait);
+}
+
+/*
+ * The Rocketport write routines. The Rocketport driver uses a
+ * double-buffering strategy, with the twist that if the in-memory CPU
+ * buffer is empty, and there's space in the transmit FIFO, the
+ * writing routines will write directly to transmit FIFO.
+ *
+ * This gets a little tricky, but I'm pretty sure I got it all right.
+ */
+static void rp_put_char(struct tty_struct *tty, unsigned char ch)
+{
+ struct r_port * info = (struct r_port *)tty->driver_data;
+ CHANNEL_t *cp;
+
+ if (rocket_paranoia_check(info, tty->device, "rp_put_char"))
+ return;
+
+#ifdef ROCKET_DEBUG_WRITE
+ printk("rp_put_char %c...", ch);
+#endif
+
+ cp = &info->channel;
+
+ if (!tty->stopped && !tty->hw_stopped && info->xmit_fifo_room == 0)
+ info->xmit_fifo_room = TXFIFO_SIZE - sGetTxCnt(cp);
+
+ if (tty->stopped || tty->hw_stopped ||
+ info->xmit_fifo_room == 0 || info->xmit_cnt != 0) {
+ info->xmit_buf[info->xmit_head++] = ch;
+ info->xmit_head &= XMIT_BUF_SIZE-1;
+ info->xmit_cnt++;
+ xmit_flags[info->line >> 5] |= (1 << (info->line & 0x1f));
+ } else {
+ sOutB(sGetTxRxDataIO(cp), ch);
+ info->xmit_fifo_room--;
+ }
+}
+
+#if (LINUX_VERSION_CODE > 66304)
+static int rp_write(struct tty_struct * tty, int from_user,
+ const unsigned char *buf, int count)
+#else
+static int rp_write(struct tty_struct * tty, int from_user,
+ unsigned char *buf, int count)
+#endif
+{
+ struct r_port * info = (struct r_port *)tty->driver_data;
+ CHANNEL_t *cp;
+ const unsigned char *b;
+ int c, retval = 0;
+ unsigned long flags;
+
+ if (count <= 0 || rocket_paranoia_check(info, tty->device, "rp_write"))
+ return 0;
+
+#ifdef ROCKET_DEBUG_WRITE
+ printk("rp_write %d chars...", count);
+#endif
+ cp = &info->channel;
+
+ if (!tty->stopped && !tty->hw_stopped && info->xmit_fifo_room == 0)
+ info->xmit_fifo_room = TXFIFO_SIZE - sGetTxCnt(cp);
+
+ if (!tty->stopped && !tty->hw_stopped && info->xmit_cnt == 0
+ && info->xmit_fifo_room >= 0) {
+ c = MIN(count, info->xmit_fifo_room);
+ b = buf;
+ if (from_user) {
+ down(&tmp_buf_sem);
+ c -= copy_from_user(tmp_buf, buf, c);
+ b = tmp_buf;
+ up(&tmp_buf_sem);
+ /* In case we got pre-empted */
+ if (!c) {
+ retval = -EFAULT;
+ goto end;
+ }
+ if (info->tty == 0)
+ goto end;
+ c = MIN(c, info->xmit_fifo_room);
+ }
+ sOutStrW(sGetTxRxDataIO(cp), b, c/2);
+ if (c & 1)
+ sOutB(sGetTxRxDataIO(cp), b[c-1]);
+ retval += c;
+ buf += c;
+ count -= c;
+ info->xmit_fifo_room -= c;
+ }
+ if (!count)
+ goto end;
+
+ save_flags(flags);
+ while (1) {
+ cli();
+ if (info->tty == 0) {
+ restore_flags(flags);
+ goto end;
+ }
+ c = MIN(count, MIN(XMIT_BUF_SIZE - info->xmit_cnt - 1,
+ XMIT_BUF_SIZE - info->xmit_head));
+ if (c <= 0)
+ break;
+
+ b = buf;
+ if (from_user) {
+ down(&tmp_buf_sem);
+ c -= copy_from_user(tmp_buf, buf, c);
+ b = tmp_buf;
+ up(&tmp_buf_sem);
+ if (!c) {
+ if (retval == 0)
+ retval = -EFAULT;
+ goto end_intr;
+ }
+ /* In case we got pre-empted */
+ if (info->tty == 0)
+ goto end_intr;
+ c = MIN(c, MIN(XMIT_BUF_SIZE - info->xmit_cnt - 1,
+ XMIT_BUF_SIZE - info->xmit_head));
+
+ }
+ memcpy(info->xmit_buf + info->xmit_head, b, c);
+ info->xmit_head = (info->xmit_head + c) & (XMIT_BUF_SIZE-1);
+ info->xmit_cnt += c;
+ restore_flags(flags);
+ buf += c;
+ count -= c;
+ retval += c;
+ }
+end_intr:
+ if ((retval > 0) && !tty->stopped && !tty->hw_stopped)
+ xmit_flags[info->line >> 5] |= (1 << (info->line & 0x1f));
+ restore_flags(flags);
+end:
+ if (info->xmit_cnt < WAKEUP_CHARS) {
+ if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
+ tty->ldisc.write_wakeup)
+ (tty->ldisc.write_wakeup)(tty);
+ wake_up_interruptible(&tty->write_wait);
+ }
+ return retval;
+}
+
+/*
+ * Return the number of characters that can be sent. We estimate
+ * only using the in-memory transmit buffer only, and ignore the
+ * potential space in the transmit FIFO.
+ */
+static int rp_write_room(struct tty_struct *tty)
+{
+ struct r_port * info = (struct r_port *)tty->driver_data;
+ int ret;
+
+ if (rocket_paranoia_check(info, tty->device, "rp_write_room"))
+ return 0;
+
+ ret = XMIT_BUF_SIZE - info->xmit_cnt - 1;
+ if (ret < 0)
+ ret = 0;
+#ifdef ROCKET_DEBUG_WRITE
+ printk("rp_write_room returns %d...", ret);
+#endif
+ return ret;
+}
+
+/*
+ * Return the number of characters in the buffer. Again, this only
+ * counts those characters in the in-memory transmit buffer.
+ */
+static int rp_chars_in_buffer(struct tty_struct *tty)
+{
+ struct r_port * info = (struct r_port *)tty->driver_data;
+ CHANNEL_t *cp;
+
+ if (rocket_paranoia_check(info, tty->device, "rp_chars_in_buffer"))
+ return 0;
+
+ cp = &info->channel;
+
+#ifdef ROCKET_DEBUG_WRITE
+ printk("rp_chars_in_buffer returns %d...", info->xmit_cnt);
+#endif
+ return info->xmit_cnt;
+}
+
+static void rp_flush_buffer(struct tty_struct *tty)
+{
+ struct r_port * info = (struct r_port *)tty->driver_data;
+ CHANNEL_t *cp;
+
+ if (rocket_paranoia_check(info, tty->device, "rp_flush_buffer"))
+ return;
+
+ cli();
+ info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
+ sti();
+ wake_up_interruptible(&tty->write_wait);
+ if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
+ tty->ldisc.write_wakeup)
+ (tty->ldisc.write_wakeup)(tty);
+
+ cp = &info->channel;
+
+ sFlushTxFIFO(cp);
+}
+
+#ifdef ENABLE_PCI
+__initfunc(int register_PCI(int i, char bus, char device_fn))
+{
+ int num_aiops, aiop, max_num_aiops, num_chan, chan;
+ unsigned int aiopio[MAX_AIOPS_PER_BOARD];
+ char *str;
+ CONTROLLER_t *ctlp;
+ unsigned short vendor_id, device_id;
+ int ret, error;
+ unsigned int port;
+
+ error = pcibios_read_config_word(bus, device_fn, PCI_VENDOR_ID,
+ &vendor_id);
+ ret = pcibios_read_config_word(bus, device_fn, PCI_DEVICE_ID,
+ &device_id);
+ if (error == 0)
+ error = ret;
+ ret = pcibios_read_config_dword(bus, device_fn, PCI_BASE_ADDRESS_0,
+ &port);
+ rcktpt_io_addr[i] = (unsigned long) port;
+ if (error == 0)
+ error = ret;
+
+ if (error) {
+ printk("PCI RocketPort error: %s not initializing due to error"
+ "reading configuration space\n",
+ pcibios_strerror(error));
+ return(0);
+ }
+
+ --rcktpt_io_addr[i];
+ switch(device_id) {
+ case PCI_DEVICE_ID_RP4QUAD:
+ str = "Quadcable";
+ max_num_aiops = 1;
+ break;
+ case PCI_DEVICE_ID_RP8OCTA:
+ str = "Octacable";
+ max_num_aiops = 1;
+ break;
+ case PCI_DEVICE_ID_RP8INTF:
+ str = "8";
+ max_num_aiops = 1;
+ break;
+ case PCI_DEVICE_ID_RP8J:
+ str = "8J";
+ max_num_aiops = 1;
+ break;
+ case PCI_DEVICE_ID_RP16INTF:
+ str = "16";
+ max_num_aiops = 2;
+ break;
+ case PCI_DEVICE_ID_RP32INTF:
+ str = "32";
+ max_num_aiops = 4;
+ break;
+ default:
+ str = "(unknown/unsupported)";
+ max_num_aiops = 0;
+ break;
+ }
+ for(aiop=0;aiop < max_num_aiops;aiop++)
+ aiopio[aiop] = rcktpt_io_addr[i] + (aiop * 0x40);
+ ctlp = sCtlNumToCtlPtr(i);
+ num_aiops = sPCIInitController(ctlp, i,
+ aiopio, max_num_aiops, 0,
+ FREQ_DIS, 0);
+ printk("Rocketport controller #%d found at %d:%d, "
+ "%d AIOP(s) (PCI Rocketport %s)\n", i, bus, device_fn,
+ num_aiops, str);
+ if(num_aiops <= 0) {
+ rcktpt_io_addr[i] = 0;
+ return(0);
+ }
+ for(aiop = 0;aiop < num_aiops; aiop++) {
+ sResetAiopByNum(ctlp, aiop);
+ sEnAiop(ctlp, aiop);
+ num_chan = sGetAiopNumChan(ctlp, aiop);
+ for(chan=0;chan < num_chan; chan++)
+ init_r_port(i, aiop, chan);
+ }
+ return(1);
+}
+
+__initfunc(static int init_PCI(int boards_found))
+{
+ unsigned char bus, device_fn;
+ int i, count = 0;
+
+ for(i=0; i < (NUM_BOARDS - boards_found); i++) {
+ if(!pcibios_find_device(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP8OCTA,
+ i, &bus, &device_fn))
+ if(register_PCI(count+boards_found, bus, device_fn))
+ count++;
+ if(!pcibios_find_device(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP8INTF,
+ i, &bus, &device_fn))
+ if(register_PCI(count+boards_found, bus, device_fn))
+ count++;
+ if(!pcibios_find_device(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP16INTF,
+ i, &bus, &device_fn))
+ if(register_PCI(count+boards_found, bus, device_fn))
+ count++;
+ if(!pcibios_find_device(PCI_VENDOR_ID_RP, PCI_DEVICE_ID_RP32INTF,
+ i, &bus, &device_fn))
+ if(register_PCI(count+boards_found, bus, device_fn))
+ count++;
+ }
+ return(count);
+}
+#endif
+
+__initfunc(static int init_ISA(int i, int *reserved_controller))
+{
+ int num_aiops, num_chan;
+ int aiop, chan;
+ unsigned int aiopio[MAX_AIOPS_PER_BOARD];
+ CONTROLLER_t *ctlp;
+
+ if (rcktpt_io_addr[i] == 0)
+ return(0);
+
+ if (check_region(rcktpt_io_addr[i],64)) {
+ printk("RocketPort board address 0x%lx in use...\n",
+ rcktpt_io_addr[i]);
+ rcktpt_io_addr[i] = 0;
+ return(0);
+ }
+
+ for (aiop=0; aiop<MAX_AIOPS_PER_BOARD; aiop++)
+ aiopio[aiop]= rcktpt_io_addr[i] + (aiop * 0x400);
+ ctlp= sCtlNumToCtlPtr(i);
+ num_aiops = sInitController(ctlp, i, controller + (i*0x400),
+ aiopio, MAX_AIOPS_PER_BOARD, 0,
+ FREQ_DIS, 0);
+ if (num_aiops <= 0) {
+ rcktpt_io_addr[i] = 0;
+ return(0);
+ }
+ for (aiop = 0; aiop < num_aiops; aiop++) {
+ sResetAiopByNum(ctlp, aiop);
+ sEnAiop(ctlp, aiop);
+ num_chan = sGetAiopNumChan(ctlp,aiop);
+ for (chan=0; chan < num_chan; chan++)
+ init_r_port(i, aiop, chan);
+ }
+ printk("Rocketport controller #%d found at 0x%lx, "
+ "%d AIOPs\n", i, rcktpt_io_addr[i],
+ num_aiops);
+ if (rcktpt_io_addr[i] + 0x40 == controller) {
+ *reserved_controller = 1;
+ request_region(rcktpt_io_addr[i], 68,
+ "Comtrol Rocketport");
+ } else {
+ request_region(rcktpt_io_addr[i], 64,
+ "Comtrol Rocketport");
+ }
+ return(1);
+}
+
+
+/*
+ * The module "startup" routine; it's run when the module is loaded.
+ */
+__initfunc(int rp_init(void))
+{
+ int i, retval, pci_boards_found, isa_boards_found;
+ int reserved_controller = 0;
+
+ printk("Rocketport device driver module, version %s, %s\n",
+ ROCKET_VERSION, ROCKET_DATE);
+
+ /*
+ * Set up the timer channel. If it is already in use by
+ * some other driver, give up.
+ */
+ if (timer_table[COMTROL_TIMER].fn) {
+ printk("rocket.o: Timer channel %d already in use!\n",
+ COMTROL_TIMER);
+ return -EBUSY;
+ }
+ timer_table[COMTROL_TIMER].fn = rp_do_poll;
+ timer_table[COMTROL_TIMER].expires = 0;
+
+ /*
+ * Initialize the array of pointers to our own internal state
+ * structures.
+ */
+ memset(rp_table, 0, sizeof(rp_table));
+ memset(xmit_flags, 0, sizeof(xmit_flags));
+
+ if (board1 == 0)
+ board1 = 0x180;
+ if (controller == 0)
+ controller = board1 + 0x40;
+
+ if (check_region(controller, 4)) {
+ printk("Controller IO addresses in use, unloading driver.\n");
+ return -EBUSY;
+ }
+
+ rcktpt_io_addr[0] = board1;
+ rcktpt_io_addr[1] = board2;
+ rcktpt_io_addr[2] = board3;
+ rcktpt_io_addr[3] = board4;
+
+ /*
+ * If support_low_speed is set, use the slow clock prescale,
+ * which supports 50 bps
+ */
+ if (support_low_speed) {
+ sClockPrescale = 0x19; /* mod 9 (divide by 10) prescale */
+ rp_baud_base = 230400;
+ } else {
+ sClockPrescale = 0x14; /* mod 4 (devide by 5) prescale */
+ rp_baud_base = 460800;
+ }
+
+ /*
+ * OK, let's probe each of the controllers looking for boards.
+ */
+ isa_boards_found = 0;
+ pci_boards_found = 0;
+ for (i=0; i < NUM_BOARDS; i++) {
+ if(init_ISA(i, &reserved_controller))
+ isa_boards_found++;
+ }
+#ifdef ENABLE_PCI
+ if (pcibios_present()) {
+ if(isa_boards_found < NUM_BOARDS)
+ pci_boards_found = init_PCI(isa_boards_found);
+ } else {
+ printk("No PCI BIOS found\n");
+ }
+#endif
+ max_board = pci_boards_found + isa_boards_found;
+
+ if (max_board == 0) {
+ printk("No rocketport ports found; unloading driver.\n");
+ timer_table[COMTROL_TIMER].fn = 0;
+ return -ENODEV;
+ }
+
+ if (reserved_controller == 0)
+ request_region(controller, 4, "Comtrol Rocketport");
+
+ /*
+ * Set up the tty driver structure and then register this
+ * driver with the tty layer.
+ */
+ memset(&rocket_driver, 0, sizeof(struct tty_driver));
+ rocket_driver.magic = TTY_DRIVER_MAGIC;
+ rocket_driver.name = "ttyR";
+ rocket_driver.major = TTY_ROCKET_MAJOR;
+ rocket_driver.minor_start = 0;
+ rocket_driver.num = MAX_RP_PORTS;
+ rocket_driver.type = TTY_DRIVER_TYPE_SERIAL;
+ rocket_driver.subtype = SERIAL_TYPE_NORMAL;
+ rocket_driver.init_termios = tty_std_termios;
+ rocket_driver.init_termios.c_cflag =
+ B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+ rocket_driver.flags = TTY_DRIVER_REAL_RAW;
+ rocket_driver.refcount = &rocket_refcount;
+ rocket_driver.table = rocket_table;
+ rocket_driver.termios = rocket_termios;
+ rocket_driver.termios_locked = rocket_termios_locked;
+
+ rocket_driver.open = rp_open;
+ rocket_driver.close = rp_close;
+ rocket_driver.write = rp_write;
+ rocket_driver.put_char = rp_put_char;
+ rocket_driver.write_room = rp_write_room;
+ rocket_driver.chars_in_buffer = rp_chars_in_buffer;
+ rocket_driver.flush_buffer = rp_flush_buffer;
+ rocket_driver.ioctl = rp_ioctl;
+ rocket_driver.throttle = rp_throttle;
+ rocket_driver.unthrottle = rp_unthrottle;
+ rocket_driver.set_termios = rp_set_termios;
+ rocket_driver.stop = rp_stop;
+ rocket_driver.start = rp_start;
+ rocket_driver.hangup = rp_hangup;
+#if (LINUX_VERSION_CODE >= 131343)
+ rocket_driver.send_xchar = rp_send_xchar;
+ rocket_driver.wait_until_sent = rp_wait_until_sent;
+#endif
+
+ /*
+ * The callout device is just like normal device except for
+ * the minor number and the subtype code.
+ */
+ callout_driver = rocket_driver;
+ callout_driver.name = "cur";
+ callout_driver.major = CUA_ROCKET_MAJOR;
+ callout_driver.minor_start = 0;
+ callout_driver.subtype = SERIAL_TYPE_CALLOUT;
+
+ retval = tty_register_driver(&callout_driver);
+ if (retval < 0) {
+ printk("Couldn't install Rocketport callout driver "
+ "(error %d)\n", -retval);
+ return -1;
+ }
+
+ retval = tty_register_driver(&rocket_driver);
+ if (retval < 0) {
+ printk("Couldn't install tty Rocketport driver "
+ "(error %d)\n", -retval);
+ return -1;
+ }
+#ifdef ROCKET_DEBUG_OPEN
+ printk("Rocketport driver is major %d, callout is %d\n",
+ rocket_driver.major, callout_driver.major);
+#endif
+
+ return 0;
+}
+
+#ifdef MODULE
+int init_module(void)
+{
+ return rp_init();
+}
+
+void
+cleanup_module( void) {
+ int retval;
+ int i;
+ int released_controller = 0;
+
+ retval = tty_unregister_driver(&callout_driver);
+ if (retval) {
+ printk("Error %d while trying to unregister "
+ "rocketport callout driver\n", -retval);
+ }
+ retval = tty_unregister_driver(&rocket_driver);
+ if (retval) {
+ printk("Error %d while trying to unregister "
+ "rocketport driver\n", -retval);
+ }
+ for (i = 0; i < MAX_RP_PORTS; i++) {
+ if (rp_table[i])
+ kfree(rp_table[i]);
+ }
+ for (i=0; i < NUM_BOARDS; i++) {
+ if (rcktpt_io_addr[i] <= 0)
+ continue;
+ if (rcktpt_io_addr[i] + 0x40 == controller) {
+ released_controller++;
+ release_region(rcktpt_io_addr[i], 68);
+ } else
+ release_region(rcktpt_io_addr[i], 64);
+ if (released_controller == 0)
+ release_region(controller, 4);
+ }
+ if (tmp_buf)
+ free_page((unsigned long) tmp_buf);
+ timer_table[COMTROL_TIMER].fn = 0;
+}
+#endif
+
+/***********************************************************************
+ Copyright 1994 Comtrol Corporation.
+ All Rights Reserved.
+
+The following source code is subject to Comtrol Corporation's
+Developer's License Agreement.
+
+This source code is protected by United States copyright law and
+international copyright treaties.
+
+This source code may only be used to develop software products that
+will operate with Comtrol brand hardware.
+
+You may not reproduce nor distribute this source code in its original
+form but must produce a derivative work which includes portions of
+this source code only.
+
+The portions of this source code which you use in your derivative
+work must bear Comtrol's copyright notice:
+
+ Copyright 1994 Comtrol Corporation.
+
+***********************************************************************/
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+static Byte_t RData[RDATASIZE] =
+{
+ 0x00, 0x09, 0xf6, 0x82,
+ 0x02, 0x09, 0x86, 0xfb,
+ 0x04, 0x09, 0x00, 0x0a,
+ 0x06, 0x09, 0x01, 0x0a,
+ 0x08, 0x09, 0x8a, 0x13,
+ 0x0a, 0x09, 0xc5, 0x11,
+ 0x0c, 0x09, 0x86, 0x85,
+ 0x0e, 0x09, 0x20, 0x0a,
+ 0x10, 0x09, 0x21, 0x0a,
+ 0x12, 0x09, 0x41, 0xff,
+ 0x14, 0x09, 0x82, 0x00,
+ 0x16, 0x09, 0x82, 0x7b,
+ 0x18, 0x09, 0x8a, 0x7d,
+ 0x1a, 0x09, 0x88, 0x81,
+ 0x1c, 0x09, 0x86, 0x7a,
+ 0x1e, 0x09, 0x84, 0x81,
+ 0x20, 0x09, 0x82, 0x7c,
+ 0x22, 0x09, 0x0a, 0x0a
+};
+
+static Byte_t RRegData[RREGDATASIZE]=
+{
+ 0x00, 0x09, 0xf6, 0x82, /* 00: Stop Rx processor */
+ 0x08, 0x09, 0x8a, 0x13, /* 04: Tx software flow control */
+ 0x0a, 0x09, 0xc5, 0x11, /* 08: XON char */
+ 0x0c, 0x09, 0x86, 0x85, /* 0c: XANY */
+ 0x12, 0x09, 0x41, 0xff, /* 10: Rx mask char */
+ 0x14, 0x09, 0x82, 0x00, /* 14: Compare/Ignore #0 */
+ 0x16, 0x09, 0x82, 0x7b, /* 18: Compare #1 */
+ 0x18, 0x09, 0x8a, 0x7d, /* 1c: Compare #2 */
+ 0x1a, 0x09, 0x88, 0x81, /* 20: Interrupt #1 */
+ 0x1c, 0x09, 0x86, 0x7a, /* 24: Ignore/Replace #1 */
+ 0x1e, 0x09, 0x84, 0x81, /* 28: Interrupt #2 */
+ 0x20, 0x09, 0x82, 0x7c, /* 2c: Ignore/Replace #2 */
+ 0x22, 0x09, 0x0a, 0x0a /* 30: Rx FIFO Enable */
+};
+
+CONTROLLER_T sController[CTL_SIZE] =
+{
+ {-1,-1,0,0,0,0,0,0,0,0,0,{0,0,0,0},{0,0,0,0},{-1,-1,-1,-1},{0,0,0,0}},
+ {-1,-1,0,0,0,0,0,0,0,0,0,{0,0,0,0},{0,0,0,0},{-1,-1,-1,-1},{0,0,0,0}},
+ {-1,-1,0,0,0,0,0,0,0,0,0,{0,0,0,0},{0,0,0,0},{-1,-1,-1,-1},{0,0,0,0}},
+ {-1,-1,0,0,0,0,0,0,0,0,0,{0,0,0,0},{0,0,0,0},{-1,-1,-1,-1},{0,0,0,0}}
+};
+
+#if 0
+/* IRQ number to MUDBAC register 2 mapping */
+Byte_t sIRQMap[16] =
+{
+ 0,0,0,0x10,0x20,0x30,0,0,0,0x40,0x50,0x60,0x70,0,0,0x80
+};
+#endif
+
+Byte_t sBitMapClrTbl[8] =
+{
+ 0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f
+};
+
+Byte_t sBitMapSetTbl[8] =
+{
+ 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
+};
+
+int sClockPrescale = 0x14;
+
+/***************************************************************************
+Function: sInitController
+Purpose: Initialization of controller global registers and controller
+ structure.
+Call: sInitController(CtlP,CtlNum,MudbacIO,AiopIOList,AiopIOListSize,
+ IRQNum,Frequency,PeriodicOnly)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+ int CtlNum; Controller number
+ ByteIO_t MudbacIO; Mudbac base I/O address.
+ ByteIO_t *AiopIOList; List of I/O addresses for each AIOP.
+ This list must be in the order the AIOPs will be found on the
+ controller. Once an AIOP in the list is not found, it is
+ assumed that there are no more AIOPs on the controller.
+ int AiopIOListSize; Number of addresses in AiopIOList
+ int IRQNum; Interrupt Request number. Can be any of the following:
+ 0: Disable global interrupts
+ 3: IRQ 3
+ 4: IRQ 4
+ 5: IRQ 5
+ 9: IRQ 9
+ 10: IRQ 10
+ 11: IRQ 11
+ 12: IRQ 12
+ 15: IRQ 15
+ Byte_t Frequency: A flag identifying the frequency
+ of the periodic interrupt, can be any one of the following:
+ FREQ_DIS - periodic interrupt disabled
+ FREQ_137HZ - 137 Hertz
+ FREQ_69HZ - 69 Hertz
+ FREQ_34HZ - 34 Hertz
+ FREQ_17HZ - 17 Hertz
+ FREQ_9HZ - 9 Hertz
+ FREQ_4HZ - 4 Hertz
+ If IRQNum is set to 0 the Frequency parameter is
+ overidden, it is forced to a value of FREQ_DIS.
+ int PeriodicOnly: TRUE if all interrupts except the periodic
+ interrupt are to be blocked.
+ FALSE is both the periodic interrupt and
+ other channel interrupts are allowed.
+ If IRQNum is set to 0 the PeriodicOnly parameter is
+ overidden, it is forced to a value of FALSE.
+Return: int: Number of AIOPs on the controller, or CTLID_NULL if controller
+ initialization failed.
+
+Comments:
+ If periodic interrupts are to be disabled but AIOP interrupts
+ are allowed, set Frequency to FREQ_DIS and PeriodicOnly to FALSE.
+
+ If interrupts are to be completely disabled set IRQNum to 0.
+
+ Setting Frequency to FREQ_DIS and PeriodicOnly to TRUE is an
+ invalid combination.
+
+ This function performs initialization of global interrupt modes,
+ but it does not actually enable global interrupts. To enable
+ and disable global interrupts use functions sEnGlobalInt() and
+ sDisGlobalInt(). Enabling of global interrupts is normally not
+ done until all other initializations are complete.
+
+ Even if interrupts are globally enabled, they must also be
+ individually enabled for each channel that is to generate
+ interrupts.
+
+Warnings: No range checking on any of the parameters is done.
+
+ No context switches are allowed while executing this function.
+
+ After this function all AIOPs on the controller are disabled,
+ they can be enabled with sEnAiop().
+*/
+int sInitController( CONTROLLER_T *CtlP,
+ int CtlNum,
+ ByteIO_t MudbacIO,
+ ByteIO_t *AiopIOList,
+ int AiopIOListSize,
+ int IRQNum,
+ Byte_t Frequency,
+ int PeriodicOnly)
+{
+ int i;
+ ByteIO_t io;
+
+ CtlP->CtlNum = CtlNum;
+ CtlP->CtlID = CTLID_0001; /* controller release 1 */
+ CtlP->BusType = isISA;
+ CtlP->MBaseIO = MudbacIO;
+ CtlP->MReg1IO = MudbacIO + 1;
+ CtlP->MReg2IO = MudbacIO + 2;
+ CtlP->MReg3IO = MudbacIO + 3;
+#if 1
+ CtlP->MReg2 = 0; /* interrupt disable */
+ CtlP->MReg3 = 0; /* no periodic interrupts */
+#else
+ if(sIRQMap[IRQNum] == 0) /* interrupts globally disabled */
+ {
+ CtlP->MReg2 = 0; /* interrupt disable */
+ CtlP->MReg3 = 0; /* no periodic interrupts */
+ }
+ else
+ {
+ CtlP->MReg2 = sIRQMap[IRQNum]; /* set IRQ number */
+ CtlP->MReg3 = Frequency; /* set frequency */
+ if(PeriodicOnly) /* periodic interrupt only */
+ {
+ CtlP->MReg3 |= PERIODIC_ONLY;
+ }
+ }
+#endif
+ sOutB(CtlP->MReg2IO,CtlP->MReg2);
+ sOutB(CtlP->MReg3IO,CtlP->MReg3);
+ sControllerEOI(CtlP); /* clear EOI if warm init */
+ /* Init AIOPs */
+ CtlP->NumAiop = 0;
+ for(i=0; i < AiopIOListSize; i++)
+ {
+ io = AiopIOList[i];
+ CtlP->AiopIO[i] = (WordIO_t)io;
+ CtlP->AiopIntChanIO[i] = io + _INT_CHAN;
+ sOutB(CtlP->MReg2IO,CtlP->MReg2 | (i & 0x03)); /* AIOP index */
+ sOutB(MudbacIO,(Byte_t)(io >> 6)); /* set up AIOP I/O in MUDBAC */
+ sEnAiop(CtlP,i); /* enable the AIOP */
+
+ CtlP->AiopID[i] = sReadAiopID(io); /* read AIOP ID */
+ if(CtlP->AiopID[i] == AIOPID_NULL) /* if AIOP does not exist */
+ {
+ sDisAiop(CtlP,i); /* disable AIOP */
+ break; /* done looking for AIOPs */
+ }
+
+ CtlP->AiopNumChan[i] = sReadAiopNumChan((WordIO_t)io); /* num channels in AIOP */
+ sOutW((WordIO_t)io + _INDX_ADDR,_CLK_PRE); /* clock prescaler */
+ sOutB(io + _INDX_DATA,sClockPrescale);
+ CtlP->NumAiop++; /* bump count of AIOPs */
+ sDisAiop(CtlP,i); /* disable AIOP */
+ }
+
+ if(CtlP->NumAiop == 0)
+ return(-1);
+ else
+ return(CtlP->NumAiop);
+}
+
+/***************************************************************************
+Function: sPCIInitController
+Purpose: Initialization of controller global registers and controller
+ structure.
+Call: sPCIInitController(CtlP,CtlNum,AiopIOList,AiopIOListSize,
+ IRQNum,Frequency,PeriodicOnly)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+ int CtlNum; Controller number
+ ByteIO_t *AiopIOList; List of I/O addresses for each AIOP.
+ This list must be in the order the AIOPs will be found on the
+ controller. Once an AIOP in the list is not found, it is
+ assumed that there are no more AIOPs on the controller.
+ int AiopIOListSize; Number of addresses in AiopIOList
+ int IRQNum; Interrupt Request number. Can be any of the following:
+ 0: Disable global interrupts
+ 3: IRQ 3
+ 4: IRQ 4
+ 5: IRQ 5
+ 9: IRQ 9
+ 10: IRQ 10
+ 11: IRQ 11
+ 12: IRQ 12
+ 15: IRQ 15
+ Byte_t Frequency: A flag identifying the frequency
+ of the periodic interrupt, can be any one of the following:
+ FREQ_DIS - periodic interrupt disabled
+ FREQ_137HZ - 137 Hertz
+ FREQ_69HZ - 69 Hertz
+ FREQ_34HZ - 34 Hertz
+ FREQ_17HZ - 17 Hertz
+ FREQ_9HZ - 9 Hertz
+ FREQ_4HZ - 4 Hertz
+ If IRQNum is set to 0 the Frequency parameter is
+ overidden, it is forced to a value of FREQ_DIS.
+ int PeriodicOnly: TRUE if all interrupts except the periodic
+ interrupt are to be blocked.
+ FALSE is both the periodic interrupt and
+ other channel interrupts are allowed.
+ If IRQNum is set to 0 the PeriodicOnly parameter is
+ overidden, it is forced to a value of FALSE.
+Return: int: Number of AIOPs on the controller, or CTLID_NULL if controller
+ initialization failed.
+
+Comments:
+ If periodic interrupts are to be disabled but AIOP interrupts
+ are allowed, set Frequency to FREQ_DIS and PeriodicOnly to FALSE.
+
+ If interrupts are to be completely disabled set IRQNum to 0.
+
+ Setting Frequency to FREQ_DIS and PeriodicOnly to TRUE is an
+ invalid combination.
+
+ This function performs initialization of global interrupt modes,
+ but it does not actually enable global interrupts. To enable
+ and disable global interrupts use functions sEnGlobalInt() and
+ sDisGlobalInt(). Enabling of global interrupts is normally not
+ done until all other initializations are complete.
+
+ Even if interrupts are globally enabled, they must also be
+ individually enabled for each channel that is to generate
+ interrupts.
+
+Warnings: No range checking on any of the parameters is done.
+
+ No context switches are allowed while executing this function.
+
+ After this function all AIOPs on the controller are disabled,
+ they can be enabled with sEnAiop().
+*/
+int sPCIInitController( CONTROLLER_T *CtlP,
+ int CtlNum,
+ ByteIO_t *AiopIOList,
+ int AiopIOListSize,
+ int IRQNum,
+ Byte_t Frequency,
+ int PeriodicOnly)
+{
+ int i;
+ ByteIO_t io;
+
+ CtlP->CtlNum = CtlNum;
+ CtlP->CtlID = CTLID_0001; /* controller release 1 */
+ CtlP->BusType = isPCI; /* controller release 1 */
+
+ CtlP->PCIIO = (WordIO_t)((ByteIO_t)AiopIOList[0] + _PCI_INT_FUNC);
+
+ sPCIControllerEOI(CtlP); /* clear EOI if warm init */
+ /* Init AIOPs */
+ CtlP->NumAiop = 0;
+ for(i=0; i < AiopIOListSize; i++)
+ {
+ io = AiopIOList[i];
+ CtlP->AiopIO[i] = (WordIO_t)io;
+ CtlP->AiopIntChanIO[i] = io + _INT_CHAN;
+
+ CtlP->AiopID[i] = sReadAiopID(io); /* read AIOP ID */
+ if(CtlP->AiopID[i] == AIOPID_NULL) /* if AIOP does not exist */
+ break; /* done looking for AIOPs */
+
+ CtlP->AiopNumChan[i] = sReadAiopNumChan((WordIO_t)io); /* num channels in AIOP */
+ sOutW((WordIO_t)io + _INDX_ADDR,_CLK_PRE); /* clock prescaler */
+ sOutB(io + _INDX_DATA,sClockPrescale);
+ CtlP->NumAiop++; /* bump count of AIOPs */
+ }
+
+ if(CtlP->NumAiop == 0)
+ return(-1);
+ else
+ return(CtlP->NumAiop);
+}
+
+/***************************************************************************
+Function: sReadAiopID
+Purpose: Read the AIOP idenfication number directly from an AIOP.
+Call: sReadAiopID(io)
+ ByteIO_t io: AIOP base I/O address
+Return: int: Flag AIOPID_XXXX if a valid AIOP is found, where X
+ is replace by an identifying number.
+ Flag AIOPID_NULL if no valid AIOP is found
+Warnings: No context switches are allowed while executing this function.
+
+*/
+int sReadAiopID(ByteIO_t io)
+{
+ Byte_t AiopID; /* ID byte from AIOP */
+
+ sOutB(io + _CMD_REG,RESET_ALL); /* reset AIOP */
+ sOutB(io + _CMD_REG,0x0);
+ AiopID = sInB(io + _CHN_STAT0) & 0x07;
+ if(AiopID == 0x06)
+ return(1);
+ else /* AIOP does not exist */
+ return(-1);
+}
+
+/***************************************************************************
+Function: sReadAiopNumChan
+Purpose: Read the number of channels available in an AIOP directly from
+ an AIOP.
+Call: sReadAiopNumChan(io)
+ WordIO_t io: AIOP base I/O address
+Return: int: The number of channels available
+Comments: The number of channels is determined by write/reads from identical
+ offsets within the SRAM address spaces for channels 0 and 4.
+ If the channel 4 space is mirrored to channel 0 it is a 4 channel
+ AIOP, otherwise it is an 8 channel.
+Warnings: No context switches are allowed while executing this function.
+*/
+int sReadAiopNumChan(WordIO_t io)
+{
+ Word_t x;
+
+ sOutDW((DWordIO_t)io + _INDX_ADDR,0x12340000L); /* write to chan 0 SRAM */
+ sOutW(io + _INDX_ADDR,0); /* read from SRAM, chan 0 */
+ x = sInW(io + _INDX_DATA);
+ sOutW(io + _INDX_ADDR,0x4000); /* read from SRAM, chan 4 */
+ if(x != sInW(io + _INDX_DATA)) /* if different must be 8 chan */
+ return(8);
+ else
+ return(4);
+}
+
+/***************************************************************************
+Function: sInitChan
+Purpose: Initialization of a channel and channel structure
+Call: sInitChan(CtlP,ChP,AiopNum,ChanNum)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+ CHANNEL_T *ChP; Ptr to channel structure
+ int AiopNum; AIOP number within controller
+ int ChanNum; Channel number within AIOP
+Return: int: TRUE if initialization succeeded, FALSE if it fails because channel
+ number exceeds number of channels available in AIOP.
+Comments: This function must be called before a channel can be used.
+Warnings: No range checking on any of the parameters is done.
+
+ No context switches are allowed while executing this function.
+*/
+int sInitChan( CONTROLLER_T *CtlP,
+ CHANNEL_T *ChP,
+ int AiopNum,
+ int ChanNum)
+{
+ int i;
+ WordIO_t AiopIO;
+ WordIO_t ChIOOff;
+ Byte_t *ChR;
+ Word_t ChOff;
+ static Byte_t R[4];
+ int brd9600;
+
+ if(ChanNum >= CtlP->AiopNumChan[AiopNum])
+ return(FALSE); /* exceeds num chans in AIOP */
+
+ /* Channel, AIOP, and controller identifiers */
+ ChP->CtlP = CtlP;
+ ChP->ChanID = CtlP->AiopID[AiopNum];
+ ChP->AiopNum = AiopNum;
+ ChP->ChanNum = ChanNum;
+
+ /* Global direct addresses */
+ AiopIO = CtlP->AiopIO[AiopNum];
+ ChP->Cmd = (ByteIO_t)AiopIO + _CMD_REG;
+ ChP->IntChan = (ByteIO_t)AiopIO + _INT_CHAN;
+ ChP->IntMask = (ByteIO_t)AiopIO + _INT_MASK;
+ ChP->IndexAddr = (DWordIO_t)AiopIO + _INDX_ADDR;
+ ChP->IndexData = AiopIO + _INDX_DATA;
+
+ /* Channel direct addresses */
+ ChIOOff = AiopIO + ChP->ChanNum * 2;
+ ChP->TxRxData = ChIOOff + _TD0;
+ ChP->ChanStat = ChIOOff + _CHN_STAT0;
+ ChP->TxRxCount = ChIOOff + _FIFO_CNT0;
+ ChP->IntID = (ByteIO_t)AiopIO + ChP->ChanNum + _INT_ID0;
+
+ /* Initialize the channel from the RData array */
+ for(i=0; i < RDATASIZE; i+=4)
+ {
+ R[0] = RData[i];
+ R[1] = RData[i+1] + 0x10 * ChanNum;
+ R[2] = RData[i+2];
+ R[3] = RData[i+3];
+ sOutDW(ChP->IndexAddr,*((DWord_t *)&R[0]));
+ }
+
+ ChR = ChP->R;
+ for(i=0; i < RREGDATASIZE; i+=4)
+ {
+ ChR[i] = RRegData[i];
+ ChR[i+1] = RRegData[i+1] + 0x10 * ChanNum;
+ ChR[i+2] = RRegData[i+2];
+ ChR[i+3] = RRegData[i+3];
+ }
+
+ /* Indexed registers */
+ ChOff = (Word_t)ChanNum * 0x1000;
+
+ if (sClockPrescale == 0x14)
+ brd9600 = 47;
+ else
+ brd9600 = 23;
+
+ ChP->BaudDiv[0] = (Byte_t)(ChOff + _BAUD);
+ ChP->BaudDiv[1] = (Byte_t)((ChOff + _BAUD) >> 8);
+ ChP->BaudDiv[2] = (Byte_t)brd9600;
+ ChP->BaudDiv[3] = (Byte_t)(brd9600 >> 8);
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->BaudDiv[0]);
+
+ ChP->TxControl[0] = (Byte_t)(ChOff + _TX_CTRL);
+ ChP->TxControl[1] = (Byte_t)((ChOff + _TX_CTRL) >> 8);
+ ChP->TxControl[2] = 0;
+ ChP->TxControl[3] = 0;
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxControl[0]);
+
+ ChP->RxControl[0] = (Byte_t)(ChOff + _RX_CTRL);
+ ChP->RxControl[1] = (Byte_t)((ChOff + _RX_CTRL) >> 8);
+ ChP->RxControl[2] = 0;
+ ChP->RxControl[3] = 0;
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->RxControl[0]);
+
+ ChP->TxEnables[0] = (Byte_t)(ChOff + _TX_ENBLS);
+ ChP->TxEnables[1] = (Byte_t)((ChOff + _TX_ENBLS) >> 8);
+ ChP->TxEnables[2] = 0;
+ ChP->TxEnables[3] = 0;
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxEnables[0]);
+
+ ChP->TxCompare[0] = (Byte_t)(ChOff + _TXCMP1);
+ ChP->TxCompare[1] = (Byte_t)((ChOff + _TXCMP1) >> 8);
+ ChP->TxCompare[2] = 0;
+ ChP->TxCompare[3] = 0;
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxCompare[0]);
+
+ ChP->TxReplace1[0] = (Byte_t)(ChOff + _TXREP1B1);
+ ChP->TxReplace1[1] = (Byte_t)((ChOff + _TXREP1B1) >> 8);
+ ChP->TxReplace1[2] = 0;
+ ChP->TxReplace1[3] = 0;
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxReplace1[0]);
+
+ ChP->TxReplace2[0] = (Byte_t)(ChOff + _TXREP2);
+ ChP->TxReplace2[1] = (Byte_t)((ChOff + _TXREP2) >> 8);
+ ChP->TxReplace2[2] = 0;
+ ChP->TxReplace2[3] = 0;
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxReplace2[0]);
+
+ ChP->TxFIFOPtrs = ChOff + _TXF_OUTP;
+ ChP->TxFIFO = ChOff + _TX_FIFO;
+
+ sOutB(ChP->Cmd,(Byte_t)ChanNum | RESTXFCNT); /* apply reset Tx FIFO count */
+ sOutB(ChP->Cmd,(Byte_t)ChanNum); /* remove reset Tx FIFO count */
+ sOutW((WordIO_t)ChP->IndexAddr,ChP->TxFIFOPtrs); /* clear Tx in/out ptrs */
+ sOutW(ChP->IndexData,0);
+ ChP->RxFIFOPtrs = ChOff + _RXF_OUTP;
+ ChP->RxFIFO = ChOff + _RX_FIFO;
+
+ sOutB(ChP->Cmd,(Byte_t)ChanNum | RESRXFCNT); /* apply reset Rx FIFO count */
+ sOutB(ChP->Cmd,(Byte_t)ChanNum); /* remove reset Rx FIFO count */
+ sOutW((WordIO_t)ChP->IndexAddr,ChP->RxFIFOPtrs); /* clear Rx out ptr */
+ sOutW(ChP->IndexData,0);
+ sOutW((WordIO_t)ChP->IndexAddr,ChP->RxFIFOPtrs + 2); /* clear Rx in ptr */
+ sOutW(ChP->IndexData,0);
+ ChP->TxPrioCnt = ChOff + _TXP_CNT;
+ sOutW((WordIO_t)ChP->IndexAddr,ChP->TxPrioCnt);
+ sOutB(ChP->IndexData,0);
+ ChP->TxPrioPtr = ChOff + _TXP_PNTR;
+ sOutW((WordIO_t)ChP->IndexAddr,ChP->TxPrioPtr);
+ sOutB(ChP->IndexData,0);
+ ChP->TxPrioBuf = ChOff + _TXP_BUF;
+ sEnRxProcessor(ChP); /* start the Rx processor */
+
+ return(TRUE);
+}
+
+/***************************************************************************
+Function: sStopRxProcessor
+Purpose: Stop the receive processor from processing a channel.
+Call: sStopRxProcessor(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+
+Comments: The receive processor can be started again with sStartRxProcessor().
+ This function causes the receive processor to skip over the
+ stopped channel. It does not stop it from processing other channels.
+
+Warnings: No context switches are allowed while executing this function.
+
+ Do not leave the receive processor stopped for more than one
+ character time.
+
+ After calling this function a delay of 4 uS is required to ensure
+ that the receive processor is no longer processing this channel.
+*/
+void sStopRxProcessor(CHANNEL_T *ChP)
+{
+ Byte_t R[4];
+
+ R[0] = ChP->R[0];
+ R[1] = ChP->R[1];
+ R[2] = 0x0a;
+ R[3] = ChP->R[3];
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&R[0]);
+}
+
+/***************************************************************************
+Function: sFlushRxFIFO
+Purpose: Flush the Rx FIFO
+Call: sFlushRxFIFO(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Return: void
+Comments: To prevent data from being enqueued or dequeued in the Tx FIFO
+ while it is being flushed the receive processor is stopped
+ and the transmitter is disabled. After these operations a
+ 4 uS delay is done before clearing the pointers to allow
+ the receive processor to stop. These items are handled inside
+ this function.
+Warnings: No context switches are allowed while executing this function.
+*/
+void sFlushRxFIFO(CHANNEL_T *ChP)
+{
+ int i;
+ Byte_t Ch; /* channel number within AIOP */
+ int RxFIFOEnabled; /* TRUE if Rx FIFO enabled */
+
+ if(sGetRxCnt(ChP) == 0) /* Rx FIFO empty */
+ return; /* don't need to flush */
+
+ RxFIFOEnabled = FALSE;
+ if(ChP->R[0x32] == 0x08) /* Rx FIFO is enabled */
+ {
+ RxFIFOEnabled = TRUE;
+ sDisRxFIFO(ChP); /* disable it */
+ for(i=0; i < 2000/200; i++) /* delay 2 uS to allow proc to disable FIFO*/
+ sInB(ChP->IntChan); /* depends on bus i/o timing */
+ }
+ sGetChanStatus(ChP); /* clear any pending Rx errors in chan stat */
+ Ch = (Byte_t)sGetChanNum(ChP);
+ sOutB(ChP->Cmd,Ch | RESRXFCNT); /* apply reset Rx FIFO count */
+ sOutB(ChP->Cmd,Ch); /* remove reset Rx FIFO count */
+ sOutW((WordIO_t)ChP->IndexAddr,ChP->RxFIFOPtrs); /* clear Rx out ptr */
+ sOutW(ChP->IndexData,0);
+ sOutW((WordIO_t)ChP->IndexAddr,ChP->RxFIFOPtrs + 2); /* clear Rx in ptr */
+ sOutW(ChP->IndexData,0);
+ if(RxFIFOEnabled)
+ sEnRxFIFO(ChP); /* enable Rx FIFO */
+}
+
+/***************************************************************************
+Function: sFlushTxFIFO
+Purpose: Flush the Tx FIFO
+Call: sFlushTxFIFO(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Return: void
+Comments: To prevent data from being enqueued or dequeued in the Tx FIFO
+ while it is being flushed the receive processor is stopped
+ and the transmitter is disabled. After these operations a
+ 4 uS delay is done before clearing the pointers to allow
+ the receive processor to stop. These items are handled inside
+ this function.
+Warnings: No context switches are allowed while executing this function.
+*/
+void sFlushTxFIFO(CHANNEL_T *ChP)
+{
+ int i;
+ Byte_t Ch; /* channel number within AIOP */
+ int TxEnabled; /* TRUE if transmitter enabled */
+
+ if(sGetTxCnt(ChP) == 0) /* Tx FIFO empty */
+ return; /* don't need to flush */
+
+ TxEnabled = FALSE;
+ if(ChP->TxControl[3] & TX_ENABLE)
+ {
+ TxEnabled = TRUE;
+ sDisTransmit(ChP); /* disable transmitter */
+ }
+ sStopRxProcessor(ChP); /* stop Rx processor */
+ for(i = 0; i < 4000/200; i++) /* delay 4 uS to allow proc to stop */
+ sInB(ChP->IntChan); /* depends on bus i/o timing */
+ Ch = (Byte_t)sGetChanNum(ChP);
+ sOutB(ChP->Cmd,Ch | RESTXFCNT); /* apply reset Tx FIFO count */
+ sOutB(ChP->Cmd,Ch); /* remove reset Tx FIFO count */
+ sOutW((WordIO_t)ChP->IndexAddr,ChP->TxFIFOPtrs); /* clear Tx in/out ptrs */
+ sOutW(ChP->IndexData,0);
+ if(TxEnabled)
+ sEnTransmit(ChP); /* enable transmitter */
+ sStartRxProcessor(ChP); /* restart Rx processor */
+}
+
+/***************************************************************************
+Function: sWriteTxPrioByte
+Purpose: Write a byte of priority transmit data to a channel
+Call: sWriteTxPrioByte(ChP,Data)
+ CHANNEL_T *ChP; Ptr to channel structure
+ Byte_t Data; The transmit data byte
+
+Return: int: 1 if the bytes is successfully written, otherwise 0.
+
+Comments: The priority byte is transmitted before any data in the Tx FIFO.
+
+Warnings: No context switches are allowed while executing this function.
+*/
+int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data)
+{
+ Byte_t DWBuf[4]; /* buffer for double word writes */
+ Word_t *WordPtr; /* must be far because Win SS != DS */
+ register DWordIO_t IndexAddr;
+
+ if(sGetTxCnt(ChP) > 1) /* write it to Tx priority buffer */
+ {
+ IndexAddr = ChP->IndexAddr;
+ sOutW((WordIO_t)IndexAddr,ChP->TxPrioCnt); /* get priority buffer status */
+ if(sInB((ByteIO_t)ChP->IndexData) & PRI_PEND) /* priority buffer busy */
+ return(0); /* nothing sent */
+
+ WordPtr = (Word_t *)(&DWBuf[0]);
+ *WordPtr = ChP->TxPrioBuf; /* data byte address */
+
+ DWBuf[2] = Data; /* data byte value */
+ sOutDW(IndexAddr,*((DWord_t *)(&DWBuf[0]))); /* write it out */
+
+ *WordPtr = ChP->TxPrioCnt; /* Tx priority count address */
+
+ DWBuf[2] = PRI_PEND + 1; /* indicate 1 byte pending */
+ DWBuf[3] = 0; /* priority buffer pointer */
+ sOutDW(IndexAddr,*((DWord_t *)(&DWBuf[0]))); /* write it out */
+ }
+ else /* write it to Tx FIFO */
+ {
+ sWriteTxByte(sGetTxRxDataIO(ChP),Data);
+ }
+ return(1); /* 1 byte sent */
+}
+
+/***************************************************************************
+Function: sEnInterrupts
+Purpose: Enable one or more interrupts for a channel
+Call: sEnInterrupts(ChP,Flags)
+ CHANNEL_T *ChP; Ptr to channel structure
+ Word_t Flags: Interrupt enable flags, can be any combination
+ of the following flags:
+ TXINT_EN: Interrupt on Tx FIFO empty
+ RXINT_EN: Interrupt on Rx FIFO at trigger level (see
+ sSetRxTrigger())
+ SRCINT_EN: Interrupt on SRC (Special Rx Condition)
+ MCINT_EN: Interrupt on modem input change
+ CHANINT_EN: Allow channel interrupt signal to the AIOP's
+ Interrupt Channel Register.
+Return: void
+Comments: If an interrupt enable flag is set in Flags, that interrupt will be
+ enabled. If an interrupt enable flag is not set in Flags, that
+ interrupt will not be changed. Interrupts can be disabled with
+ function sDisInterrupts().
+
+ This function sets the appropriate bit for the channel in the AIOP's
+ Interrupt Mask Register if the CHANINT_EN flag is set. This allows
+ this channel's bit to be set in the AIOP's Interrupt Channel Register.
+
+ Interrupts must also be globally enabled before channel interrupts
+ will be passed on to the host. This is done with function
+ sEnGlobalInt().
+
+ In some cases it may be desirable to disable interrupts globally but
+ enable channel interrupts. This would allow the global interrupt
+ status register to be used to determine which AIOPs need service.
+*/
+void sEnInterrupts(CHANNEL_T *ChP,Word_t Flags)
+{
+ Byte_t Mask; /* Interrupt Mask Register */
+
+ ChP->RxControl[2] |=
+ ((Byte_t)Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
+
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->RxControl[0]);
+
+ ChP->TxControl[2] |= ((Byte_t)Flags & TXINT_EN);
+
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxControl[0]);
+
+ if(Flags & CHANINT_EN)
+ {
+ Mask = sInB(ChP->IntMask) | sBitMapSetTbl[ChP->ChanNum];
+ sOutB(ChP->IntMask,Mask);
+ }
+}
+
+/***************************************************************************
+Function: sDisInterrupts
+Purpose: Disable one or more interrupts for a channel
+Call: sDisInterrupts(ChP,Flags)
+ CHANNEL_T *ChP; Ptr to channel structure
+ Word_t Flags: Interrupt flags, can be any combination
+ of the following flags:
+ TXINT_EN: Interrupt on Tx FIFO empty
+ RXINT_EN: Interrupt on Rx FIFO at trigger level (see
+ sSetRxTrigger())
+ SRCINT_EN: Interrupt on SRC (Special Rx Condition)
+ MCINT_EN: Interrupt on modem input change
+ CHANINT_EN: Disable channel interrupt signal to the
+ AIOP's Interrupt Channel Register.
+Return: void
+Comments: If an interrupt flag is set in Flags, that interrupt will be
+ disabled. If an interrupt flag is not set in Flags, that
+ interrupt will not be changed. Interrupts can be enabled with
+ function sEnInterrupts().
+
+ This function clears the appropriate bit for the channel in the AIOP's
+ Interrupt Mask Register if the CHANINT_EN flag is set. This blocks
+ this channel's bit from being set in the AIOP's Interrupt Channel
+ Register.
+*/
+void sDisInterrupts(CHANNEL_T *ChP,Word_t Flags)
+{
+ Byte_t Mask; /* Interrupt Mask Register */
+
+ ChP->RxControl[2] &=
+ ~((Byte_t)Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->RxControl[0]);
+ ChP->TxControl[2] &= ~((Byte_t)Flags & TXINT_EN);
+ sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxControl[0]);
+
+ if(Flags & CHANINT_EN)
+ {
+ Mask = sInB(ChP->IntMask) & sBitMapClrTbl[ChP->ChanNum];
+ sOutB(ChP->IntMask,Mask);
+ }
+}
diff --git a/drivers/char/rocket_int.h b/drivers/char/rocket_int.h
new file mode 100644
index 000000000..8b2ea2212
--- /dev/null
+++ b/drivers/char/rocket_int.h
@@ -0,0 +1,1149 @@
+/*
+ * rocket_int.h --- internal header file for rocket.c
+ *
+ * Written by Theodore Ts'o, Copyright 1997.
+ *
+ * Portions of this file are....
+ *
+ * Copyright 1994 Comtrol Corporation. All Rights Reserved.
+ *
+ * The following source code is subject to Comtrol Corporation's
+ * Developer's License Agreement.
+ *
+ * This source code is protected by United States copyright law and
+ * international copyright treaties.
+ *
+ * This source code may only be used to develop software products that
+ * will operate with Comtrol brand hardware.
+ *
+ * You may not reproduce nor distribute this source code in its original
+ * form but must produce a derivative work which includes portions of
+ * this source code only.
+ *
+ * The portions of this source code which you use in your derivative
+ * work must bear Comtrol's copyright notice:
+ *
+ * Copyright 1994 Comtrol Corporation.
+ *
+ */
+
+/*
+ * Begin Comtrol-provided headers, et. al.
+ */
+
+/*
+ user definitions for Rocket Toolkit
+
+ The following typedefs and defines must be established
+ depending on the platform the toolkit is being used
+ with.
+
+*/
+
+/************************************************************
+The following sets up the world for use with Linux
+************************************************************/
+
+#include <asm/io.h>
+
+typedef unsigned char Byte_t;
+typedef unsigned int ByteIO_t;
+
+typedef unsigned int Word_t;
+typedef unsigned int WordIO_t;
+
+typedef unsigned long DWord_t;
+typedef unsigned int DWordIO_t;
+
+#define sOutB(a, b) outb_p(b, a)
+#define sOutW(a, b) outw_p(b, a)
+#define sOutDW(a, b) outl_p(b, a)
+#define sInB(a) (inb_p(a))
+#define sInW(a) (inw_p(a))
+
+#define sOutStrW(port, addr, count) outsw(port, addr, count)
+
+#define sInStrW(port, addr, count) insw(port, addr, count)
+
+#define CTL_SIZE 4
+#define AIOP_CTL_SIZE 4
+#define CHAN_AIOP_SIZE 8
+#define MAX_PORTS_PER_AIOP 8
+#define MAX_AIOPS_PER_BOARD 4
+#define MAX_PORTS_PER_BOARD 32
+
+/* Bus type ID */
+#define isISA 0
+#define isPCI 1
+#define isMC 2
+
+/* Controller ID numbers */
+#define CTLID_NULL -1 /* no controller exists */
+#define CTLID_0001 0x0001 /* controller release 1 */
+
+/* AIOP ID numbers, identifies AIOP type implementing channel */
+#define AIOPID_NULL -1 /* no AIOP or channel exists */
+#define AIOPID_0001 0x0001 /* AIOP release 1 */
+
+#define NULLDEV -1 /* identifies non-existant device */
+#define NULLCTL -1 /* identifies non-existant controller */
+#define NULLCTLPTR (CONTROLLER_T *)0 /* identifies non-existant controller */
+#define NULLAIOP -1 /* identifies non-existant AIOP */
+#define NULLCHAN -1 /* identifies non-existant channel */
+
+/************************************************************************
+ Global Register Offsets - Direct Access - Fixed values
+************************************************************************/
+
+#define _CMD_REG 0x38 /* Command Register 8 Write */
+#define _INT_CHAN 0x39 /* Interrupt Channel Register 8 Read */
+#define _INT_MASK 0x3A /* Interrupt Mask Register 8 Read / Write */
+#define _UNUSED 0x3B /* Unused 8 */
+#define _INDX_ADDR 0x3C /* Index Register Address 16 Write */
+#define _INDX_DATA 0x3E /* Index Register Data 8/16 Read / Write */
+
+/************************************************************************
+ Channel Register Offsets for 1st channel in AIOP - Direct Access
+************************************************************************/
+#define _TD0 0x00 /* Transmit Data 16 Write */
+#define _RD0 0x00 /* Receive Data 16 Read */
+#define _CHN_STAT0 0x20 /* Channel Status 8/16 Read / Write */
+#define _FIFO_CNT0 0x10 /* Transmit/Receive FIFO Count 16 Read */
+#define _INT_ID0 0x30 /* Interrupt Identification 8 Read */
+
+/************************************************************************
+ Tx Control Register Offsets - Indexed - External - Fixed
+************************************************************************/
+#define _TX_ENBLS 0x980 /* Tx Processor Enables Register 8 Read / Write */
+#define _TXCMP1 0x988 /* Transmit Compare Value #1 8 Read / Write */
+#define _TXCMP2 0x989 /* Transmit Compare Value #2 8 Read / Write */
+#define _TXREP1B1 0x98A /* Tx Replace Value #1 - Byte 1 8 Read / Write */
+#define _TXREP1B2 0x98B /* Tx Replace Value #1 - Byte 2 8 Read / Write */
+#define _TXREP2 0x98C /* Transmit Replace Value #2 8 Read / Write */
+
+/************************************************************************
+Memory Controller Register Offsets - Indexed - External - Fixed
+************************************************************************/
+#define _RX_FIFO 0x000 /* Rx FIFO */
+#define _TX_FIFO 0x800 /* Tx FIFO */
+#define _RXF_OUTP 0x990 /* Rx FIFO OUT pointer 16 Read / Write */
+#define _RXF_INP 0x992 /* Rx FIFO IN pointer 16 Read / Write */
+#define _TXF_OUTP 0x994 /* Tx FIFO OUT pointer 8 Read / Write */
+#define _TXF_INP 0x995 /* Tx FIFO IN pointer 8 Read / Write */
+#define _TXP_CNT 0x996 /* Tx Priority Count 8 Read / Write */
+#define _TXP_PNTR 0x997 /* Tx Priority Pointer 8 Read / Write */
+
+#define PRI_PEND 0x80 /* Priority data pending (bit7, Tx pri cnt) */
+#define TXFIFO_SIZE 255 /* size of Tx FIFO */
+#define RXFIFO_SIZE 1023 /* size of Rx FIFO */
+
+/************************************************************************
+Tx Priority Buffer - Indexed - External - Fixed
+************************************************************************/
+#define _TXP_BUF 0x9C0 /* Tx Priority Buffer 32 Bytes Read / Write */
+#define TXP_SIZE 0x20 /* 32 bytes */
+
+/************************************************************************
+Channel Register Offsets - Indexed - Internal - Fixed
+************************************************************************/
+
+#define _TX_CTRL 0xFF0 /* Transmit Control 16 Write */
+#define _RX_CTRL 0xFF2 /* Receive Control 8 Write */
+#define _BAUD 0xFF4 /* Baud Rate 16 Write */
+#define _CLK_PRE 0xFF6 /* Clock Prescaler 8 Write */
+
+#if 0
+#define CLOCK_PRESC 0x14 /* ?????? new mod 4 (divide by 5) prescale */
+
+#define BRD50 9215
+#define BRD75 6143
+#define BRD110 4188
+#define BRD134 3438
+#define BRD150 3071
+#define BRD200 2303
+#define BRD300 1535
+#define BRD600 767
+#define BRD1200 383
+#define BRD1800 255
+#define BRD2000 229
+#define BRD2400 191
+#define BRD3600 127
+#define BRD4800 95
+#define BRD7200 63
+#define BRD9600 47
+#define BRD14400 31
+#define BRD19200 23
+#define BRD38400 11
+#define BRD57600 7
+#define BRD76800 5
+#define BRD115200 3
+#define BRD230400 1
+#define BRD460800 0
+#endif
+
+#if 0
+
+/* Old clock prescale definition and baud rates associated with it */
+
+#define CLOCK_PRESC 0x19 */ /* mod 9 (divide by 10) prescale */
+#define BRD50 4607
+#define BRD75 3071
+#define BRD110 2094
+#define BRD134 1712
+#define BRD150 1535
+#define BRD200 1151
+#define BRD300 767
+#define BRD600 383
+#define BRD1200 191
+#define BRD1800 127
+#define BRD2000 114
+#define BRD2400 95
+#define BRD3600 64
+#define BRD4800 47
+#define BRD7200 31
+#define BRD9600 23
+#define BRD14400 15
+#define BRD19200 11
+#define BRD38400 5
+#define BRD57600 3
+#define BRD76800 2
+#define BRD115200 1
+#define BRD230400 0
+
+#endif
+
+#define STMBREAK 0x08 /* BREAK */
+#define STMFRAME 0x04 /* framing error */
+#define STMRCVROVR 0x02 /* receiver over run error */
+#define STMPARITY 0x01 /* parity error */
+#define STMERROR (STMBREAK | STMFRAME | STMPARITY)
+#define STMBREAKH 0x800 /* BREAK */
+#define STMFRAMEH 0x400 /* framing error */
+#define STMRCVROVRH 0x200 /* receiver over run error */
+#define STMPARITYH 0x100 /* parity error */
+#define STMERRORH (STMBREAKH | STMFRAMEH | STMPARITYH)
+
+#define CTS_ACT 0x20 /* CTS input asserted */
+#define DSR_ACT 0x10 /* DSR input asserted */
+#define CD_ACT 0x08 /* CD input asserted */
+#define TXFIFOMT 0x04 /* Tx FIFO is empty */
+#define TXSHRMT 0x02 /* Tx shift register is empty */
+#define RDA 0x01 /* Rx data available */
+#define DRAINED (TXFIFOMT | TXSHRMT) /* indicates Tx is drained */
+
+#define STATMODE 0x8000 /* status mode enable bit */
+#define RXFOVERFL 0x2000 /* receive FIFO overflow */
+#define RX2MATCH 0x1000 /* receive compare byte 2 match */
+#define RX1MATCH 0x0800 /* receive compare byte 1 match */
+#define RXBREAK 0x0400 /* received BREAK */
+#define RXFRAME 0x0200 /* received framing error */
+#define RXPARITY 0x0100 /* received parity error */
+#define STATERROR (RXBREAK | RXFRAME | RXPARITY)
+
+#define CTSFC_EN 0x80 /* CTS flow control enable bit */
+#define RTSTOG_EN 0x40 /* RTS toggle enable bit */
+#define TXINT_EN 0x10 /* transmit interrupt enable */
+#define STOP2 0x08 /* enable 2 stop bits (0 = 1 stop) */
+#define PARITY_EN 0x04 /* enable parity (0 = no parity) */
+#define EVEN_PAR 0x02 /* even parity (0 = odd parity) */
+#define DATA8BIT 0x01 /* 8 bit data (0 = 7 bit data) */
+
+#define SETBREAK 0x10 /* send break condition (must clear) */
+#define LOCALLOOP 0x08 /* local loopback set for test */
+#define SET_DTR 0x04 /* assert DTR */
+#define SET_RTS 0x02 /* assert RTS */
+#define TX_ENABLE 0x01 /* enable transmitter */
+
+#define RTSFC_EN 0x40 /* RTS flow control enable */
+#define RXPROC_EN 0x20 /* receive processor enable */
+#define TRIG_NO 0x00 /* Rx FIFO trigger level 0 (no trigger) */
+#define TRIG_1 0x08 /* trigger level 1 char */
+#define TRIG_1_2 0x10 /* trigger level 1/2 */
+#define TRIG_7_8 0x18 /* trigger level 7/8 */
+#define TRIG_MASK 0x18 /* trigger level mask */
+#define SRCINT_EN 0x04 /* special Rx condition interrupt enable */
+#define RXINT_EN 0x02 /* Rx interrupt enable */
+#define MCINT_EN 0x01 /* modem change interrupt enable */
+
+#define RXF_TRIG 0x20 /* Rx FIFO trigger level interrupt */
+#define TXFIFO_MT 0x10 /* Tx FIFO empty interrupt */
+#define SRC_INT 0x08 /* special receive condition interrupt */
+#define DELTA_CD 0x04 /* CD change interrupt */
+#define DELTA_CTS 0x02 /* CTS change interrupt */
+#define DELTA_DSR 0x01 /* DSR change interrupt */
+
+#define REP1W2_EN 0x10 /* replace byte 1 with 2 bytes enable */
+#define IGN2_EN 0x08 /* ignore byte 2 enable */
+#define IGN1_EN 0x04 /* ignore byte 1 enable */
+#define COMP2_EN 0x02 /* compare byte 2 enable */
+#define COMP1_EN 0x01 /* compare byte 1 enable */
+
+#define RESET_ALL 0x80 /* reset AIOP (all channels) */
+#define TXOVERIDE 0x40 /* Transmit software off override */
+#define RESETUART 0x20 /* reset channel's UART */
+#define RESTXFCNT 0x10 /* reset channel's Tx FIFO count register */
+#define RESRXFCNT 0x08 /* reset channel's Rx FIFO count register */
+
+#define INTSTAT0 0x01 /* AIOP 0 interrupt status */
+#define INTSTAT1 0x02 /* AIOP 1 interrupt status */
+#define INTSTAT2 0x04 /* AIOP 2 interrupt status */
+#define INTSTAT3 0x08 /* AIOP 3 interrupt status */
+
+#define INTR_EN 0x08 /* allow interrupts to host */
+#define INT_STROB 0x04 /* strobe and clear interrupt line (EOI) */
+
+/**************************************************************************
+ MUDBAC remapped for PCI
+**************************************************************************/
+
+#define _CFG_INT_PCI 0x40
+#define _PCI_INT_FUNC 0x3A
+
+#define PCI_STROB 0x2000 /* bit 13 of int aiop register */
+#define INTR_EN_PCI 0x0010 /* allow interrupts to host */
+
+
+#define CHAN3_EN 0x08 /* enable AIOP 3 */
+#define CHAN2_EN 0x04 /* enable AIOP 2 */
+#define CHAN1_EN 0x02 /* enable AIOP 1 */
+#define CHAN0_EN 0x01 /* enable AIOP 0 */
+#define FREQ_DIS 0x00
+#define FREQ_274HZ 0x60
+#define FREQ_137HZ 0x50
+#define FREQ_69HZ 0x40
+#define FREQ_34HZ 0x30
+#define FREQ_17HZ 0x20
+#define FREQ_9HZ 0x10
+#define PERIODIC_ONLY 0x80 /* only PERIODIC interrupt */
+
+#define CHANINT_EN 0x0100 /* flags to enable/disable channel ints */
+
+#define RDATASIZE 72
+#define RREGDATASIZE 52
+
+/* Controller level information structure */
+typedef struct
+{
+ int CtlID;
+ int CtlNum;
+ int BusType;
+ WordIO_t PCIIO;
+ ByteIO_t MBaseIO;
+ ByteIO_t MReg1IO;
+ ByteIO_t MReg2IO;
+ ByteIO_t MReg3IO;
+ Byte_t MReg2;
+ Byte_t MReg3;
+ int NumAiop;
+ WordIO_t AiopIO[AIOP_CTL_SIZE];
+ ByteIO_t AiopIntChanIO[AIOP_CTL_SIZE];
+ int AiopID[AIOP_CTL_SIZE];
+ int AiopNumChan[AIOP_CTL_SIZE];
+} CONTROLLER_T;
+
+typedef CONTROLLER_T CONTROLLER_t;
+
+/* Channel level information structure */
+typedef struct
+{
+ CONTROLLER_T *CtlP;
+ int AiopNum;
+ int ChanID;
+ int ChanNum;
+
+ ByteIO_t Cmd;
+ ByteIO_t IntChan;
+ ByteIO_t IntMask;
+ DWordIO_t IndexAddr;
+ WordIO_t IndexData;
+
+ WordIO_t TxRxData;
+ WordIO_t ChanStat;
+ WordIO_t TxRxCount;
+ ByteIO_t IntID;
+
+ Word_t TxFIFO;
+ Word_t TxFIFOPtrs;
+ Word_t RxFIFO;
+ Word_t RxFIFOPtrs;
+ Word_t TxPrioCnt;
+ Word_t TxPrioPtr;
+ Word_t TxPrioBuf;
+
+ Byte_t R[RREGDATASIZE];
+
+ Byte_t BaudDiv[4];
+ Byte_t TxControl[4];
+ Byte_t RxControl[4];
+ Byte_t TxEnables[4];
+ Byte_t TxCompare[4];
+ Byte_t TxReplace1[4];
+ Byte_t TxReplace2[4];
+} CHANNEL_T;
+
+typedef CHANNEL_T CHANNEL_t;
+typedef CHANNEL_T * CHANPTR_T;
+
+/***************************************************************************
+Function: sClrBreak
+Purpose: Stop sending a transmit BREAK signal
+Call: sClrBreak(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sClrBreak(ChP) \
+{ \
+ (ChP)->TxControl[3] &= ~SETBREAK; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sClrDTR
+Purpose: Clr the DTR output
+Call: sClrDTR(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sClrDTR(ChP) \
+{ \
+ (ChP)->TxControl[3] &= ~SET_DTR; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sClrRTS
+Purpose: Clr the RTS output
+Call: sClrRTS(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sClrRTS(ChP) \
+{ \
+ (ChP)->TxControl[3] &= ~SET_RTS; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sClrTxXOFF
+Purpose: Clear any existing transmit software flow control off condition
+Call: sClrTxXOFF(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sClrTxXOFF(ChP) \
+{ \
+ sOutB((ChP)->Cmd,TXOVERIDE | (Byte_t)(ChP)->ChanNum); \
+ sOutB((ChP)->Cmd,(Byte_t)(ChP)->ChanNum); \
+}
+
+/***************************************************************************
+Function: sCtlNumToCtlPtr
+Purpose: Convert a controller number to controller structure pointer
+Call: sCtlNumToCtlPtr(CtlNum)
+ int CtlNum; Controller number
+Return: CONTROLLER_T *: Ptr to controller structure
+*/
+#define sCtlNumToCtlPtr(CTLNUM) &sController[CTLNUM]
+
+/***************************************************************************
+Function: sControllerEOI
+Purpose: Strobe the MUDBAC's End Of Interrupt bit.
+Call: sControllerEOI(CtlP)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+*/
+#define sControllerEOI(CTLP) sOutB((CTLP)->MReg2IO,(CTLP)->MReg2 | INT_STROB)
+
+/***************************************************************************
+Function: sPCIControllerEOI
+Purpose: Strobe the PCI End Of Interrupt bit.
+Call: sPCIControllerEOI(CtlP)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+*/
+#define sPCIControllerEOI(CTLP) sOutW((CTLP)->PCIIO, PCI_STROB)
+
+/***************************************************************************
+Function: sDisAiop
+Purpose: Disable I/O access to an AIOP
+Call: sDisAiop(CltP)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+ int AiopNum; Number of AIOP on controller
+*/
+#define sDisAiop(CTLP,AIOPNUM) \
+{ \
+ (CTLP)->MReg3 &= sBitMapClrTbl[AIOPNUM]; \
+ sOutB((CTLP)->MReg3IO,(CTLP)->MReg3); \
+}
+
+/***************************************************************************
+Function: sDisCTSFlowCtl
+Purpose: Disable output flow control using CTS
+Call: sDisCTSFlowCtl(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sDisCTSFlowCtl(ChP) \
+{ \
+ (ChP)->TxControl[2] &= ~CTSFC_EN; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: DisParity
+Purpose: Disable parity
+Call: sDisParity(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Comments: Function sSetParity() can be used in place of functions sEnParity(),
+ sDisParity(), sSetOddParity(), and sSetEvenParity().
+*/
+#define sDisParity(ChP) \
+{ \
+ (ChP)->TxControl[2] &= ~PARITY_EN; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sDisRxFIFO
+Purpose: Disable Rx FIFO
+Call: sDisRxFIFO(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sDisRxFIFO(ChP) \
+{ \
+ (ChP)->R[0x32] = 0x0a; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \
+}
+
+/***************************************************************************
+Function: sDisRxStatusMode
+Purpose: Disable the Rx status mode
+Call: sDisRxStatusMode(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Comments: This takes the channel out of the receive status mode. All
+ subsequent reads of receive data using sReadRxWord() will return
+ two data bytes.
+*/
+#define sDisRxStatusMode(ChP) sOutW((ChP)->ChanStat,0)
+
+/***************************************************************************
+Function: sDisTransmit
+Purpose: Disable transmit
+Call: sDisTransmit(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+ This disables movement of Tx data from the Tx FIFO into the 1 byte
+ Tx buffer. Therefore there could be up to a 2 byte latency
+ between the time sDisTransmit() is called and the transmit buffer
+ and transmit shift register going completely empty.
+*/
+#define sDisTransmit(ChP) \
+{ \
+ (ChP)->TxControl[3] &= ~TX_ENABLE; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sDisTxSoftFlowCtl
+Purpose: Disable Tx Software Flow Control
+Call: sDisTxSoftFlowCtl(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sDisTxSoftFlowCtl(ChP) \
+{ \
+ (ChP)->R[0x06] = 0x8a; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \
+}
+
+/***************************************************************************
+Function: sEnAiop
+Purpose: Enable I/O access to an AIOP
+Call: sEnAiop(CltP)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+ int AiopNum; Number of AIOP on controller
+*/
+#define sEnAiop(CTLP,AIOPNUM) \
+{ \
+ (CTLP)->MReg3 |= sBitMapSetTbl[AIOPNUM]; \
+ sOutB((CTLP)->MReg3IO,(CTLP)->MReg3); \
+}
+
+/***************************************************************************
+Function: sEnCTSFlowCtl
+Purpose: Enable output flow control using CTS
+Call: sEnCTSFlowCtl(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sEnCTSFlowCtl(ChP) \
+{ \
+ (ChP)->TxControl[2] |= CTSFC_EN; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: EnParity
+Purpose: Enable parity
+Call: sEnParity(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Comments: Function sSetParity() can be used in place of functions sEnParity(),
+ sDisParity(), sSetOddParity(), and sSetEvenParity().
+
+Warnings: Before enabling parity odd or even parity should be chosen using
+ functions sSetOddParity() or sSetEvenParity().
+*/
+#define sEnParity(ChP) \
+{ \
+ (ChP)->TxControl[2] |= PARITY_EN; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sEnRxFIFO
+Purpose: Enable Rx FIFO
+Call: sEnRxFIFO(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sEnRxFIFO(ChP) \
+{ \
+ (ChP)->R[0x32] = 0x08; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \
+}
+
+/***************************************************************************
+Function: sEnRxProcessor
+Purpose: Enable the receive processor
+Call: sEnRxProcessor(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Comments: This function is used to start the receive processor. When
+ the channel is in the reset state the receive processor is not
+ running. This is done to prevent the receive processor from
+ executing invalid microcode instructions prior to the
+ downloading of the microcode.
+
+Warnings: This function must be called after valid microcode has been
+ downloaded to the AIOP, and it must not be called before the
+ microcode has been downloaded.
+*/
+#define sEnRxProcessor(ChP) \
+{ \
+ (ChP)->RxControl[2] |= RXPROC_EN; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
+}
+
+/***************************************************************************
+Function: sEnRxStatusMode
+Purpose: Enable the Rx status mode
+Call: sEnRxStatusMode(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Comments: This places the channel in the receive status mode. All subsequent
+ reads of receive data using sReadRxWord() will return a data byte
+ in the low word and a status byte in the high word.
+
+*/
+#define sEnRxStatusMode(ChP) sOutW((ChP)->ChanStat,STATMODE)
+
+/***************************************************************************
+Function: sEnTransmit
+Purpose: Enable transmit
+Call: sEnTransmit(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sEnTransmit(ChP) \
+{ \
+ (ChP)->TxControl[3] |= TX_ENABLE; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sGetAiopIntStatus
+Purpose: Get the AIOP interrupt status
+Call: sGetAiopIntStatus(CtlP,AiopNum)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+ int AiopNum; AIOP number
+Return: Byte_t: The AIOP interrupt status. Bits 0 through 7
+ represent channels 0 through 7 respectively. If a
+ bit is set that channel is interrupting.
+*/
+#define sGetAiopIntStatus(CTLP,AIOPNUM) sInB((CTLP)->AiopIntChanIO[AIOPNUM])
+
+/***************************************************************************
+Function: sGetAiopNumChan
+Purpose: Get the number of channels supported by an AIOP
+Call: sGetAiopNumChan(CtlP,AiopNum)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+ int AiopNum; AIOP number
+Return: int: The number of channels supported by the AIOP
+*/
+#define sGetAiopNumChan(CTLP,AIOPNUM) (CTLP)->AiopNumChan[AIOPNUM]
+
+/***************************************************************************
+Function: sGetChanIntID
+Purpose: Get a channel's interrupt identification byte
+Call: sGetChanIntID(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Return: Byte_t: The channel interrupt ID. Can be any
+ combination of the following flags:
+ RXF_TRIG: Rx FIFO trigger level interrupt
+ TXFIFO_MT: Tx FIFO empty interrupt
+ SRC_INT: Special receive condition interrupt
+ DELTA_CD: CD change interrupt
+ DELTA_CTS: CTS change interrupt
+ DELTA_DSR: DSR change interrupt
+*/
+#define sGetChanIntID(ChP) (sInB((ChP)->IntID) & (RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR))
+
+/***************************************************************************
+Function: sGetChanNum
+Purpose: Get the number of a channel within an AIOP
+Call: sGetChanNum(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Return: int: Channel number within AIOP, or NULLCHAN if channel does
+ not exist.
+*/
+#define sGetChanNum(ChP) (ChP)->ChanNum
+
+/***************************************************************************
+Function: sGetChanStatus
+Purpose: Get the channel status
+Call: sGetChanStatus(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Return: Word_t: The channel status. Can be any combination of
+ the following flags:
+ LOW BYTE FLAGS
+ CTS_ACT: CTS input asserted
+ DSR_ACT: DSR input asserted
+ CD_ACT: CD input asserted
+ TXFIFOMT: Tx FIFO is empty
+ TXSHRMT: Tx shift register is empty
+ RDA: Rx data available
+
+ HIGH BYTE FLAGS
+ STATMODE: status mode enable bit
+ RXFOVERFL: receive FIFO overflow
+ RX2MATCH: receive compare byte 2 match
+ RX1MATCH: receive compare byte 1 match
+ RXBREAK: received BREAK
+ RXFRAME: received framing error
+ RXPARITY: received parity error
+Warnings: This function will clear the high byte flags in the Channel
+ Status Register.
+*/
+#define sGetChanStatus(ChP) sInW((ChP)->ChanStat)
+
+/***************************************************************************
+Function: sGetChanStatusLo
+Purpose: Get the low byte only of the channel status
+Call: sGetChanStatusLo(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Return: Byte_t: The channel status low byte. Can be any combination
+ of the following flags:
+ CTS_ACT: CTS input asserted
+ DSR_ACT: DSR input asserted
+ CD_ACT: CD input asserted
+ TXFIFOMT: Tx FIFO is empty
+ TXSHRMT: Tx shift register is empty
+ RDA: Rx data available
+*/
+#define sGetChanStatusLo(ChP) sInB((ByteIO_t)(ChP)->ChanStat)
+
+/***************************************************************************
+Function: sGetControllerIntStatus
+Purpose: Get the controller interrupt status
+Call: sGetControllerIntStatus(CtlP)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+Return: Byte_t: The controller interrupt status in the lower 4
+ bits. Bits 0 through 3 represent AIOP's 0
+ through 3 respectively. If a bit is set that
+ AIOP is interrupting. Bits 4 through 7 will
+ always be cleared.
+*/
+#define sGetControllerIntStatus(CTLP) (sInB((CTLP)->MReg1IO) & 0x0f)
+
+/***************************************************************************
+Function: sPCIGetControllerIntStatus
+Purpose: Get the controller interrupt status
+Call: sPCIGetControllerIntStatus(CtlP)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+Return: unsigned char: The controller interrupt status in the lower 4
+ bits and bit 4. Bits 0 through 3 represent AIOP's 0
+ through 3 respectively. Bit 4 is set if the int
+ was generated from periodic. If a bit is set the
+ AIOP is interrupting.
+*/
+#define sPCIGetControllerIntStatus(CTLP) ((sInW((CTLP)->PCIIO) >> 8) & 0x1f)
+
+/***************************************************************************
+
+Function: sGetRxCnt
+Purpose: Get the number of data bytes in the Rx FIFO
+Call: sGetRxCnt(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Return: int: The number of data bytes in the Rx FIFO.
+Comments: Byte read of count register is required to obtain Rx count.
+
+*/
+#define sGetRxCnt(ChP) sInW((ChP)->TxRxCount)
+
+/***************************************************************************
+Function: sGetTxCnt
+Purpose: Get the number of data bytes in the Tx FIFO
+Call: sGetTxCnt(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Return: Byte_t: The number of data bytes in the Tx FIFO.
+Comments: Byte read of count register is required to obtain Tx count.
+
+*/
+#define sGetTxCnt(ChP) sInB((ByteIO_t)(ChP)->TxRxCount)
+
+/*****************************************************************************
+Function: sGetTxRxDataIO
+Purpose: Get the I/O address of a channel's TxRx Data register
+Call: sGetTxRxDataIO(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Return: WordIO_t: I/O address of a channel's TxRx Data register
+*/
+#define sGetTxRxDataIO(ChP) (ChP)->TxRxData
+
+/***************************************************************************
+Function: sInitChanDefaults
+Purpose: Initialize a channel structure to it's default state.
+Call: sInitChanDefaults(ChP)
+ CHANNEL_T *ChP; Ptr to the channel structure
+Comments: This function must be called once for every channel structure
+ that exists before any other SSCI calls can be made.
+
+*/
+#define sInitChanDefaults(ChP) \
+{ \
+ (ChP)->CtlP = NULLCTLPTR; \
+ (ChP)->AiopNum = NULLAIOP; \
+ (ChP)->ChanID = AIOPID_NULL; \
+ (ChP)->ChanNum = NULLCHAN; \
+}
+
+/***************************************************************************
+Function: sResetAiopByNum
+Purpose: Reset the AIOP by number
+Call: sResetAiopByNum(CTLP,AIOPNUM)
+ CONTROLLER_T CTLP; Ptr to controller structure
+ AIOPNUM; AIOP index
+*/
+#define sResetAiopByNum(CTLP,AIOPNUM) \
+{ \
+ sOutB((CTLP)->AiopIO[(AIOPNUM)]+_CMD_REG,RESET_ALL); \
+ sOutB((CTLP)->AiopIO[(AIOPNUM)]+_CMD_REG,0x0); \
+}
+
+/***************************************************************************
+Function: sSendBreak
+Purpose: Send a transmit BREAK signal
+Call: sSendBreak(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSendBreak(ChP) \
+{ \
+ (ChP)->TxControl[3] |= SETBREAK; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sSetBaud
+Purpose: Set baud rate
+Call: sSetBaud(ChP,Divisor)
+ CHANNEL_T *ChP; Ptr to channel structure
+ Word_t Divisor; 16 bit baud rate divisor for channel
+*/
+#define sSetBaud(ChP,DIVISOR) \
+{ \
+ (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \
+ (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->BaudDiv[0]); \
+}
+
+/***************************************************************************
+Function: sSetData7
+Purpose: Set data bits to 7
+Call: sSetData7(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetData7(ChP) \
+{ \
+ (ChP)->TxControl[2] &= ~DATA8BIT; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sSetData8
+Purpose: Set data bits to 8
+Call: sSetData8(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetData8(ChP) \
+{ \
+ (ChP)->TxControl[2] |= DATA8BIT; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sSetDTR
+Purpose: Set the DTR output
+Call: sSetDTR(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetDTR(ChP) \
+{ \
+ (ChP)->TxControl[3] |= SET_DTR; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sSetEvenParity
+Purpose: Set even parity
+Call: sSetEvenParity(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Comments: Function sSetParity() can be used in place of functions sEnParity(),
+ sDisParity(), sSetOddParity(), and sSetEvenParity().
+
+Warnings: This function has no effect unless parity is enabled with function
+ sEnParity().
+*/
+#define sSetEvenParity(ChP) \
+{ \
+ (ChP)->TxControl[2] |= EVEN_PAR; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sSetOddParity
+Purpose: Set odd parity
+Call: sSetOddParity(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Comments: Function sSetParity() can be used in place of functions sEnParity(),
+ sDisParity(), sSetOddParity(), and sSetEvenParity().
+
+Warnings: This function has no effect unless parity is enabled with function
+ sEnParity().
+*/
+#define sSetOddParity(ChP) \
+{ \
+ (ChP)->TxControl[2] &= ~EVEN_PAR; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sSetRTS
+Purpose: Set the RTS output
+Call: sSetRTS(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetRTS(ChP) \
+{ \
+ (ChP)->TxControl[3] |= SET_RTS; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sSetRxTrigger
+Purpose: Set the Rx FIFO trigger level
+Call: sSetRxProcessor(ChP,Level)
+ CHANNEL_T *ChP; Ptr to channel structure
+ Byte_t Level; Number of characters in Rx FIFO at which the
+ interrupt will be generated. Can be any of the following flags:
+
+ TRIG_NO: no trigger
+ TRIG_1: 1 character in FIFO
+ TRIG_1_2: FIFO 1/2 full
+ TRIG_7_8: FIFO 7/8 full
+Comments: An interrupt will be generated when the trigger level is reached
+ only if function sEnInterrupt() has been called with flag
+ RXINT_EN set. The RXF_TRIG flag in the Interrupt Idenfification
+ register will be set whenever the trigger level is reached
+ regardless of the setting of RXINT_EN.
+
+*/
+#define sSetRxTrigger(ChP,LEVEL) \
+{ \
+ (ChP)->RxControl[2] &= ~TRIG_MASK; \
+ (ChP)->RxControl[2] |= LEVEL; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
+}
+
+/***************************************************************************
+Function: sSetStop1
+Purpose: Set stop bits to 1
+Call: sSetStop1(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetStop1(ChP) \
+{ \
+ (ChP)->TxControl[2] &= ~STOP2; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sSetStop2
+Purpose: Set stop bits to 2
+Call: sSetStop2(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetStop2(ChP) \
+{ \
+ (ChP)->TxControl[2] |= STOP2; \
+ sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+}
+
+/***************************************************************************
+Function: sStartRxProcessor
+Purpose: Start a channel's receive processor
+Call: sStartRxProcessor(ChP)
+ CHANNEL_T *ChP; Ptr to channel structure
+Comments: This function is used to start a Rx processor after it was
+ stopped with sStopRxProcessor() or sStopSWInFlowCtl(). It
+ will restart both the Rx processor and software input flow control.
+
+*/
+#define sStartRxProcessor(ChP) sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0])
+
+/***************************************************************************
+Function: sWriteTxByte
+Purpose: Write a transmit data byte to a channel.
+ ByteIO_t io: Channel transmit register I/O address. This can
+ be obtained with sGetTxRxDataIO().
+ Byte_t Data; The transmit data byte.
+Warnings: This function writes the data byte without checking to see if
+ sMaxTxSize is exceeded in the Tx FIFO.
+*/
+#define sWriteTxByte(IO,DATA) sOutB(IO,DATA)
+
+int sInitController( CONTROLLER_T *CtlP,
+ int CtlNum,
+ ByteIO_t MudbacIO,
+ ByteIO_t *AiopIOList,
+ int AiopIOListSize,
+ int IRQNum,
+ Byte_t Frequency,
+ int PeriodicOnly);
+
+int sPCIInitController( CONTROLLER_T *CtlP,
+ int CtlNum,
+ ByteIO_t *AiopIOList,
+ int AiopIOListSize,
+ int IRQNum,
+ Byte_t Frequency,
+ int PeriodicOnly);
+
+int sReadAiopID(ByteIO_t io);
+int sReadAiopNumChan(WordIO_t io);
+int sInitChan( CONTROLLER_T *CtlP,
+ CHANNEL_T *ChP,
+ int AiopNum,
+ int ChanNum);
+Byte_t sGetRxErrStatus(CHANNEL_T *ChP);
+void sStopRxProcessor(CHANNEL_T *ChP);
+void sStopSWInFlowCtl(CHANNEL_T *ChP);
+void sFlushRxFIFO(CHANNEL_T *ChP);
+void sFlushTxFIFO(CHANNEL_T *ChP);
+int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data);
+void sEnInterrupts(CHANNEL_T *ChP,Word_t Flags);
+void sDisInterrupts(CHANNEL_T *ChP,Word_t Flags);
+
+extern Byte_t R[RDATASIZE];
+extern CONTROLLER_T sController[CTL_SIZE];
+extern Byte_t sIRQMap[16];
+extern Byte_t sBitMapClrTbl[8];
+extern Byte_t sBitMapSetTbl[8];
+extern int sClockPrescale;
+
+
+/*
+ * Begin Linux specific definitions for the Rocketport driver
+ *
+ * This code is Copyright Theodore Ts'o, 1995-1997
+ */
+
+struct r_port {
+ int magic;
+ int line;
+ int flags;
+ int count;
+ int blocked_open;
+ struct tty_struct *tty;
+ int board:2;
+ int aiop:2;
+ int chan:3;
+ CONTROLLER_t *ctlp;
+ CHANNEL_t channel;
+ int closing_wait;
+ int close_delay;
+ int intmask;
+ int xmit_fifo_room; /* room in xmit fifo */
+ unsigned char *xmit_buf;
+ int xmit_head;
+ int xmit_tail;
+ int xmit_cnt;
+ int session;
+ int pgrp;
+ int cd_status;
+ int ignore_status_mask;
+ int read_status_mask;
+ int cps;
+ struct termios normal_termios;
+ struct termios callout_termios;
+ struct tq_struct tqueue;
+ struct wait_queue *open_wait;
+ struct wait_queue *close_wait;
+};
+
+#define RPORT_MAGIC 0x525001
+
+#define NUM_BOARDS 8
+#define MAX_RP_PORTS (32*NUM_BOARDS)
+
+/*
+ * The size of the xmit buffer is 1 page, or 4096 bytes
+ */
+#define XMIT_BUF_SIZE 4096
+
+/* number of characters left in xmit buffer before we ask for more */
+#define WAKEUP_CHARS 256
+
+/* Internal flags used only by the rocketport driver */
+#define ROCKET_INITIALIZED 0x80000000 /* Port is active */
+#define ROCKET_CLOSING 0x40000000 /* Serial port is closing */
+#define ROCKET_NORMAL_ACTIVE 0x20000000 /* Normal port is active */
+#define ROCKET_CALLOUT_ACTIVE 0x10000000 /* Callout port is active */
+
+/*
+ * tty subtypes
+ *
+ */
+#define SERIAL_TYPE_NORMAL 1
+#define SERIAL_TYPE_CALLOUT 2
+
+/*
+ * Assigned major numbers for the Comtrol Rocketport
+ */
+#define TTY_ROCKET_MAJOR 46
+#define CUA_ROCKET_MAJOR 47
+
+/*
+ * Utility function.
+ */
+#ifndef MIN
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#endif
+
+#ifdef PCI_VENDOR_ID_RP
+#undef PCI_VENDOR_ID_RP
+#undef PCI_DEVICE_ID_RP8OCTA
+#undef PCI_DEVICE_ID_RP8INTF
+#undef PCI_DEVICE_ID_RP16INTF
+#undef PCI_DEVICE_ID_RP32INTF
+#endif
+
+#define PCI_VENDOR_ID_RP 0x11fe
+#define PCI_DEVICE_ID_RP32INTF 0x0001
+#define PCI_DEVICE_ID_RP8INTF 0x0002
+#define PCI_DEVICE_ID_RP16INTF 0x0003
+#define PCI_DEVICE_ID_RP8OCTA 0x0005
+
+#ifndef RP4QUAD
+#define PCI_DEVICE_ID_RP4QUAD 0x0004
+#endif
+#ifndef RP8J
+#define PCI_DEVICE_ID_RP8J 0x0006
+#endif
+
+
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 7a31e162d..d63578c55 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1829,6 +1829,9 @@ __initfunc(int tty_init(void))
#ifdef CONFIG_SERIAL
rs_init();
#endif
+#ifdef CONFIG_ROCKETPORT
+ rp_init();
+#endif
#ifdef CONFIG_CYCLADES
cy_init();
#endif
@@ -1853,4 +1856,3 @@ __initfunc(int tty_init(void))
#endif
return 0;
}
-
diff --git a/drivers/misc/.cvsignore b/drivers/misc/.cvsignore
new file mode 100644
index 000000000..4671378ae
--- /dev/null
+++ b/drivers/misc/.cvsignore
@@ -0,0 +1 @@
+.depend
diff --git a/drivers/misc/BUGS-parport b/drivers/misc/BUGS-parport
new file mode 100644
index 000000000..6b8420a2c
--- /dev/null
+++ b/drivers/misc/BUGS-parport
@@ -0,0 +1,13 @@
+Currently known (or at least suspected) bugs in parport:
+
+o /proc/parport is untested under 2.0.XX
+
+o SCSI aborts for PPA under 2.0.29 [reported by jmr]. Under investigation.
+
+o make config (etc) allow you to select CONFIG_PNP_PARPORT=m, CONFIG_PPA=y -
+ the resulting kernel won't link.
+
+o IEEE1284 code does not do the terminating handshake after transfers, which
+ seems to upset some devices.
+
+o lp doesn't allow you to read status while printing is in progress.
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
new file mode 100644
index 000000000..9d568b2fd
--- /dev/null
+++ b/drivers/misc/Makefile
@@ -0,0 +1,48 @@
+#
+# Makefile for the kernel miscellaneous drivers.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+#
+# Note 2! The CFLAGS definitions are now inherited from the
+# parent makes..
+
+SUB_DIRS :=
+MOD_SUB_DIRS := $(SUB_DIRS)
+ALL_SUB_DIRS := $(SUB_DIRS)
+
+L_TARGET := misc.a
+MX_OBJS :=
+LX_OBJS :=
+MI_OBJS :=
+MIX_OBJS :=
+
+ifeq ($(CONFIG_PARPORT),y)
+ L_OBJS += parport_share.o parport_ieee1284.o
+ ifeq ($(CONFIG_PROC_FS),y)
+ L_OBJS += parport_procfs.o
+ endif
+ ifeq ($(CONFIG_PARPORT_PC),y)
+ LX_OBJS += parport_pc.o
+ endif
+ LX_OBJS += parport_init.o
+else
+ ifeq ($(CONFIG_PARPORT),m)
+ MI_OBJS += parport_share.o parport_ieee1284.o
+ ifneq ($(CONFIG_PROC_FS),n)
+ MI_OBJS += parport_procfs.o
+ endif
+ MIX_OBJS += parport_init.o
+ M_OBJS += parport.o
+ endif
+ ifeq ($(CONFIG_PARPORT_PC),m)
+ MX_OBJS += parport_pc.o
+ endif
+endif
+
+include $(TOPDIR)/Rules.make
+
+# Special rule to build the composite parport.o module
+parport.o: $(MI_OBJS) $(MIX_OBJS)
+ $(LD) $(LD_RFLAG) -r -o $@ $(MI_OBJS) $(MIX_OBJS)
diff --git a/drivers/misc/TODO-parport b/drivers/misc/TODO-parport
new file mode 100644
index 000000000..eea6a01fd
--- /dev/null
+++ b/drivers/misc/TODO-parport
@@ -0,0 +1,21 @@
+Things to be done.
+
+0. Fix the bugs (see BUGS-parport).
+
+1. Proper documentation.
+
+2. Overhaul lp.c:
+
+ a) It's a mess, and there is a lot of code duplication.
+
+ b) ECP support would be nice. This can only work if both the port and
+ the printer support it.
+
+ c) Errors could do with being handled better. There's no point logging a
+ message every 10 seconds when the printer is out of paper.
+
+ d) Handle status readback automatically. IEEE1284 printers can post status
+ bits when they have something to say. We should read out and deal
+ with (maybe just log) whatever the printer wants to tell the world.
+
+3. Assimilate more drivers.
diff --git a/drivers/misc/parport_arc.c b/drivers/misc/parport_arc.c
new file mode 100644
index 000000000..8ceaee794
--- /dev/null
+++ b/drivers/misc/parport_arc.c
@@ -0,0 +1,77 @@
+/* $Id: parport_arc.c,v 1.1 1997/07/25 01:53:12 ralf Exp $
+ * Parallel-port routines for ARC onboard hardware.
+ *
+ * Author: Phil Blundell <pjb27@cam.ac.uk>
+ */
+
+#include <linux/tasks.h>
+
+#include <asm/ptrace.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+
+#include <linux/config.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/malloc.h>
+
+#include <linux/parport.h>
+
+#include <linux/arch/oldlatches.h>
+
+#define DATA_LATCH 0x3350010
+
+/* ARC can't read from the data latch, so we must use a soft copy. */
+static unsigned int data_copy;
+
+static void arc_write_data(struct parport *p, unsigned int data)
+{
+ data_copy = data;
+ outb(data, DATA_LATCH);
+}
+
+static unsigned int arc_read_data(struct parport *p)
+{
+ return data_copy;
+}
+
+static struct parport_operations arc_ops =
+{
+ arc_write_data,
+ arc_read_data,
+
+ arc_write_control,
+ arc_read_control,
+ arc_frob_control,
+
+ NULL, /* write_econtrol */
+ NULL, /* read_econtrol */
+ NULL, /* frob_econtrol */
+
+ arc_write_status,
+ arc_read_status,
+
+ NULL, /* write_fifo */
+ NULL, /* read_fifo */
+
+ NULL, /* change_mode */
+
+ arc_release_resources,
+ arc_claim_resources,
+
+ NULL, /* epp_write_block */
+ NULL, /* epp_read_block */
+
+ NULL, /* ecp_write_block */
+ NULL, /* epp_write_block */
+
+ arc_save_state,
+ arc_restore_state,
+
+ arc_enable_irq,
+ arc_disable_irq,
+ arc_examine_irq
+};
diff --git a/drivers/misc/parport_ieee1284.c b/drivers/misc/parport_ieee1284.c
new file mode 100644
index 000000000..d1e8c44de
--- /dev/null
+++ b/drivers/misc/parport_ieee1284.c
@@ -0,0 +1,89 @@
+/* $Id: parport_ieee1284.c,v 1.1 1997/07/25 01:53:13 ralf Exp $
+ * IEEE-1284 implementation for parport.
+ *
+ * Authors: Philip Blundell <pjb27@cam.ac.uk>
+ * Carsten Gross <carsten@sol.wohnheim.uni-ulm.de>
+ * Jose Renau <renau@acm.org>
+ */
+
+#include <linux/tasks.h>
+
+#include <linux/parport.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/malloc.h>
+
+/* The following read functions are an implementation of a status readback
+ * and device id request confirming to IEEE1284-1994.
+ *
+ * These probably ought to go in some seperate file, so people like the SPARC
+ * don't have to pull them in.
+ */
+
+/* Wait for Status line(s) to change in 35 ms - see IEEE1284-1994 page 24 to
+ * 25 for this. After this time we can create a timeout because the
+ * peripheral doesn't conform to IEEE1284. We want to save CPU time: we are
+ * waiting a maximum time of 500 us busy (this is for speed). If there is
+ * not the right answer in this time, we call schedule and other processes
+ * are able "to eat" the time up to 30ms. So the maximum load avarage can't
+ * get above 5% for a read even if the peripheral is really slow. (but your
+ * read gets very slow then - only about 10 characters per second. This
+ * should be tuneable). Thanks to Andreas who pointed me to this and ordered
+ * the documentation.
+ */
+
+int parport_wait_peripheral(struct parport *port, unsigned char mask,
+ unsigned char result)
+{
+ int counter=0;
+ unsigned char status;
+
+ do {
+ status = parport_read_status(port);
+ udelay(25);
+ counter++;
+ if (need_resched)
+ schedule();
+ } while ( ((status & mask) != result) && (counter < 20) );
+ if ( (counter == 20) && ((status & mask) != result) ) {
+ current->state=TASK_INTERRUPTIBLE;
+ current->timeout=jiffies+4;
+ schedule(); /* wait for 4 scheduler runs (40ms) */
+ status = parport_read_status(port);
+ if ((status & mask) != result) return 1; /* timeout */
+ }
+ return 0; /* okay right response from device */
+}
+
+/* Test if nibble mode for status readback is okay. Returns the value false
+ * if the printer doesn't support readback at all. If it supports readbacks
+ * and printer data is available the function returns 1, otherwise 2. The
+ * only valid values for "mode" are 0 and 4. 0 requests normal nibble mode,
+ * 4 is for "request device id using nibble mode". The request for the
+ * device id is best done in an ioctl (or at bootup time). There is no
+ * check for an invalid value, the only function using this call at the
+ * moment is lp_read and the ioctl LPGETDEVICEID both fixed calls from
+ * trusted kernel.
+ */
+int parport_ieee1284_nibble_mode_ok(struct parport *port, unsigned char mode)
+{
+ parport_write_data(port, mode);
+ udelay(5);
+ parport_write_control(port, parport_read_control(port) & ~8); /* SelectIN low */
+ parport_write_control(port, parport_read_control(port) | 2); /* AutoFeed high */
+ if (parport_wait_peripheral(port, 0x78, 0x38)) { /* timeout? */
+ parport_write_control(port, (parport_read_control(port) & ~2) | 8);
+ return 0; /* first stage of negotiation failed,
+ * no IEEE1284 compliant device on this port
+ */
+ }
+ parport_write_control(port, parport_read_control(port) | 1); /* Strobe high */
+ udelay(5); /* Strobe wait */
+ parport_write_control(port, parport_read_control(port) & ~1); /* Strobe low */
+ udelay(5);
+ parport_write_control(port, parport_read_control(port) & ~2); /* AutoFeed low */
+ return (parport_wait_peripheral(port, 0x20, 0))?2:1;
+}
diff --git a/drivers/misc/parport_init.c b/drivers/misc/parport_init.c
new file mode 100644
index 000000000..52f3c6e33
--- /dev/null
+++ b/drivers/misc/parport_init.c
@@ -0,0 +1,114 @@
+/* $Id: parport_init.c,v 1.1 1997/07/25 01:53:14 ralf Exp $
+ * Parallel-port initialisation code.
+ *
+ * Authors: David Campbell <campbell@tirian.che.curtin.edu.au>
+ * Tim Waugh <tmw20@cam.ac.uk>
+ * Jose Renau <renau@acm.org>
+ *
+ * based on work by Grant Guenther <grant@torque.net>
+ * and Philip Blundell <Philip.Blundell@pobox.com>
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/tasks.h>
+
+#include <linux/parport.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/malloc.h>
+#include <linux/init.h>
+
+#ifndef MODULE
+static int io[PARPORT_MAX+1] __initdata = { 0, };
+static int irq[PARPORT_MAX] __initdata = { PARPORT_IRQ_NONE, };
+static int dma[PARPORT_MAX] __initdata = { PARPORT_DMA_NONE, };
+
+extern int parport_pc_init(int *io, int *irq, int *dma);
+
+static int parport_setup_ptr __initdata = 0;
+
+__initfunc(void parport_setup(char *str, int *ints))
+{
+ if (ints[0] == 0 || ints[1] == 0) {
+ /* Disable parport if "parport=" or "parport=0" in cmdline */
+ io[0] = PARPORT_DISABLE;
+ return;
+ }
+ if (parport_setup_ptr < PARPORT_MAX) {
+ io[parport_setup_ptr] = ints[1];
+ if (ints[0]>1) {
+ irq[parport_setup_ptr] = ints[2];
+ if (ints[0]>2) dma[parport_setup_ptr] = ints[3];
+ }
+ parport_setup_ptr++;
+ } else {
+ printk(KERN_ERR "parport=0x%x", ints[1]);
+ if (ints[0]>1) {
+ printk(",%d", ints[2]);
+ if (ints[0]>2) printk(",%d", ints[3]);
+ }
+ printk(" ignored, too many ports.\n");
+ }
+}
+#endif
+
+#ifdef MODULE
+int init_module(void)
+{
+ return 0;
+}
+
+void cleanup_module(void)
+{
+ struct parport *port, *next;
+
+ for (port = parport_enumerate(); port; port = next) {
+ next = port->next;
+ if (!(port->flags & PARPORT_FLAG_COMA))
+ parport_quiesce(port);
+ parport_proc_unregister(port);
+ kfree(port->name);
+ kfree(port);
+ }
+
+ parport_proc_cleanup();
+}
+#else
+__initfunc(int parport_init(void))
+{
+ struct parport *pb;
+
+ if (io[0] == PARPORT_DISABLE) return 1;
+#ifdef CONFIG_PARPORT_PC
+ parport_pc_init(io, irq, dma);
+#endif
+ return 0;
+}
+#endif
+
+/* Exported symbols for modules. */
+
+EXPORT_SYMBOL(parport_claim);
+EXPORT_SYMBOL(parport_release);
+EXPORT_SYMBOL(parport_register_port);
+EXPORT_SYMBOL(parport_quiesce);
+EXPORT_SYMBOL(parport_register_device);
+EXPORT_SYMBOL(parport_unregister_device);
+EXPORT_SYMBOL(parport_enumerate);
+EXPORT_SYMBOL(parport_ieee1284_nibble_mode_ok);
+EXPORT_SYMBOL(parport_wait_peripheral);
+
+void inc_parport_count(void)
+{
+#ifdef MODULE
+ MOD_INC_USE_COUNT;
+#endif
+}
+
+void dec_parport_count(void)
+{
+#ifdef MODULE
+ MOD_DEC_USE_COUNT;
+#endif
+}
diff --git a/drivers/misc/parport_pc.c b/drivers/misc/parport_pc.c
new file mode 100644
index 000000000..925f697f6
--- /dev/null
+++ b/drivers/misc/parport_pc.c
@@ -0,0 +1,885 @@
+/* $Id: parport_pc.c,v 1.1 1997/07/25 01:53:16 ralf Exp $
+ * Parallel-port routines for PC architecture
+ *
+ * Authors: Phil Blundell <pjb27@cam.ac.uk>
+ * Tim Waugh <tmw20@cam.ac.uk>
+ * Jose Renau <renau@acm.org>
+ * David Campbell <campbell@tirian.che.curtin.edu.au>
+ *
+ * based on work by Grant Guenther <grant@torque.net>
+ * and Philip Blundell <Philip.Blundell@pobox.com>
+ */
+
+#include <linux/tasks.h>
+
+#include <asm/ptrace.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+
+#include <linux/module.h>
+#include <linux/config.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/malloc.h>
+
+#include <linux/parport.h>
+
+#define ECONTROL 0x402
+#define CONFIGB 0x401
+#define CONFIGA 0x400
+#define EPPREG 0x4
+#define CONTROL 0x2
+#define STATUS 0x1
+#define DATA 0
+
+#define PC_MAX_PORTS 8
+
+static void pc_null_intr_func(int irq, void *dev_id, struct pt_regs *regs)
+{
+ /* NULL function - Does nothing */
+ return;
+}
+
+static void pc_write_epp(struct parport *p, unsigned int d)
+{
+ outb(d, p->base+EPPREG);
+}
+
+static unsigned int pc_read_epp(struct parport *p)
+{
+ return (unsigned int)inb(p->base+EPPREG);
+}
+
+static unsigned int pc_read_configb(struct parport *p)
+{
+ return (unsigned int)inb(p->base+CONFIGB);
+}
+
+static void pc_write_data(struct parport *p, unsigned int d)
+{
+ outb(d, p->base+DATA);
+}
+
+static unsigned int pc_read_data(struct parport *p)
+{
+ return (unsigned int)inb(p->base+DATA);
+}
+
+static void pc_write_control(struct parport *p, unsigned int d)
+{
+ outb(d, p->base+CONTROL);
+}
+
+static unsigned int pc_read_control(struct parport *p)
+{
+ return (unsigned int)inb(p->base+CONTROL);
+}
+
+static unsigned int pc_frob_control(struct parport *p, unsigned int mask, unsigned int val)
+{
+ unsigned int old = (unsigned int)inb(p->base+CONTROL);
+ outb(((old & ~mask) ^ val), p->base+CONTROL);
+ return old;
+}
+
+static void pc_write_status(struct parport *p, unsigned int d)
+{
+ outb(d, p->base+STATUS);
+}
+
+static unsigned int pc_read_status(struct parport *p)
+{
+ return (unsigned int)inb(p->base+STATUS);
+}
+
+static void pc_write_econtrol(struct parport *p, unsigned int d)
+{
+ outb(d, p->base+ECONTROL);
+}
+
+static unsigned int pc_read_econtrol(struct parport *p)
+{
+ return (unsigned int)inb(p->base+ECONTROL);
+}
+
+static unsigned int pc_frob_econtrol(struct parport *p, unsigned int mask, unsigned int val)
+{
+ unsigned int old = (unsigned int)inb(p->base+ECONTROL);
+ outb(((old & ~mask) ^ val), p->base+ECONTROL);
+ return old;
+}
+
+static void pc_change_mode(struct parport *p, int m)
+{
+ /* FIXME */
+}
+
+static void pc_write_fifo(struct parport *p, unsigned int v)
+{
+ /* FIXME */
+}
+
+static unsigned int pc_read_fifo(struct parport *p)
+{
+ return 0; /* FIXME */
+}
+
+static void pc_disable_irq(struct parport *p)
+{
+ /* FIXME */
+}
+
+static void pc_enable_irq(struct parport *p)
+{
+ /* FIXME */
+}
+
+static void pc_release_resources(struct parport *p)
+{
+ if (p->irq != PARPORT_IRQ_NONE)
+ free_irq(p->irq, NULL);
+ release_region(p->base, p->size);
+ if (p->modes & PARPORT_MODE_PCECR)
+ release_region(p->base+0x400, 3);
+}
+
+static int pc_claim_resources(struct parport *p)
+{
+ /* FIXME check that resources are free */
+ if (p->irq != PARPORT_IRQ_NONE)
+ request_irq(p->irq, pc_null_intr_func, 0, p->name, NULL);
+ request_region(p->base, p->size, p->name);
+ if (p->modes & PARPORT_MODE_PCECR)
+ request_region(p->base+0x400, 3, p->name);
+ return 0;
+}
+
+static void pc_save_state(struct parport *p, struct parport_state *s)
+{
+ /* FIXME */
+}
+
+static void pc_restore_state(struct parport *p, struct parport_state *s)
+{
+ /* FIXME */
+}
+
+static unsigned int pc_epp_read_block(struct parport *p, void *buf, unsigned int length)
+{
+ return 0; /* FIXME */
+}
+
+static unsigned int pc_epp_write_block(struct parport *p, void *buf, unsigned int length)
+{
+ return 0; /* FIXME */
+}
+
+static unsigned int pc_ecp_read_block(struct parport *p, void *buf, unsigned int length, void (*fn)(struct parport *, void *, unsigned int), void *handle)
+{
+ return 0; /* FIXME */
+}
+
+static unsigned int pc_ecp_write_block(struct parport *p, void *buf, unsigned int length, void (*fn)(struct parport *, void *, unsigned int), void *handle)
+{
+ return 0; /* FIXME */
+}
+
+static int pc_examine_irq(struct parport *p)
+{
+ return 0; /* FIXME */
+}
+
+static struct parport_operations pc_ops =
+{
+ pc_write_data,
+ pc_read_data,
+
+ pc_write_control,
+ pc_read_control,
+ pc_frob_control,
+
+ pc_write_econtrol,
+ pc_read_econtrol,
+ pc_frob_econtrol,
+
+ pc_write_status,
+ pc_read_status,
+
+ pc_write_fifo,
+ pc_read_fifo,
+
+ pc_change_mode,
+
+ pc_release_resources,
+ pc_claim_resources,
+
+ pc_epp_write_block,
+ pc_epp_read_block,
+
+ pc_ecp_write_block,
+ pc_ecp_read_block,
+
+ pc_save_state,
+ pc_restore_state,
+
+ pc_enable_irq,
+ pc_disable_irq,
+ pc_examine_irq
+};
+
+/******************************************************
+ * DMA detection section:
+ */
+
+/*
+ * Prepare DMA channels from 0-8 to transmit towards buffer
+ */
+static int parport_prepare_dma(char *buff, int size)
+{
+ int tmp = 0;
+ int i,retv;
+
+ for (i = 0; i < 8; i++) {
+ retv = request_dma(i, "probe");
+ if (retv)
+ continue;
+ tmp |= 1 << i;
+
+ cli();
+ disable_dma(i);
+ clear_dma_ff(i);
+ set_dma_addr(i, virt_to_bus(buff));
+ set_dma_count(i, size);
+ set_dma_mode(i, DMA_MODE_READ);
+ sti();
+ }
+
+ return tmp;
+}
+
+/*
+ * Activate all DMA channels passed in dma
+ */
+static int parport_enable_dma(int dma)
+{
+ int i;
+
+ for (i = 0; i < 8; i++)
+ if (dma & (1 << i)) {
+ cli();
+ enable_dma(i);
+ sti();
+ }
+
+ return dma;
+}
+
+static int parport_detect_dma_transfer(int dma, int size)
+{
+ int i,n,retv;
+ int count=0;
+
+ retv = PARPORT_DMA_NONE;
+ for (i = 0; i < 8; i++)
+ if (dma & (1 << i)) {
+ disable_dma(i);
+ clear_dma_ff(i);
+ n = get_dma_residue(i);
+ if (n != size) {
+ retv = i;
+ if (count > 0) {
+ retv = PARPORT_DMA_NONE; /* Multiple DMA's */
+ printk(KERN_ERR "parport: multiple DMA detected. Huh?\n");
+ }
+ count++;
+ }
+ free_dma(i);
+ }
+
+ return retv;
+}
+
+/* Only if supports ECP mode */
+static int programmable_dma_support(struct parport *pb)
+{
+ int dma, oldstate = pc_read_econtrol(pb);
+
+ pc_write_econtrol(pb, 0xe0); /* Configuration MODE */
+
+ dma = pc_read_configb(pb) & 0x07;
+
+ pc_write_econtrol(pb, oldstate);
+
+ if (dma == 0 || dma == 4) /* Jumper selection */
+ return PARPORT_DMA_NONE;
+ else
+ return dma;
+}
+
+/* Only called if port supports ECP mode.
+ *
+ * The only restriction on DMA channels is that it has to be
+ * between 0 to 7 (inclusive). Used only in an ECP mode, DMAs are
+ * considered a shared resource and hence they should be registered
+ * when needed and then immediately unregistered.
+ *
+ * DMA autoprobes for ECP mode are known not to work for some
+ * main board BIOS configs. I had to remove everything from the
+ * port, set the mode to SPP, reboot to DOS, set the mode to ECP,
+ * and reboot again, then I got IRQ probes and DMA probes to work.
+ * [Is the BIOS doing a device detection?]
+ *
+ * A value of PARPORT_DMA_NONE is allowed indicating no DMA support.
+ *
+ * if( 0 < DMA < 4 )
+ * 1Byte DMA transfer
+ * else // 4 < DMA < 8
+ * 2Byte DMA transfer
+ *
+ */
+static int parport_dma_probe(struct parport *pb)
+{
+ int dma,retv;
+ int dsr,dsr_read;
+ char *buff;
+
+ retv = programmable_dma_support(pb);
+ if (retv != PARPORT_DMA_NONE)
+ return retv;
+
+ if (!(buff = kmalloc(2048, GFP_KERNEL | GFP_DMA))) {
+ printk(KERN_ERR "parport: memory squeeze\n");
+ return PARPORT_DMA_NONE;
+ }
+
+ dsr = pb->ops->read_control(pb);
+ dsr_read = (dsr & ~(0x20)) | 0x04; /* Direction == read */
+
+ pb->ops->write_econtrol(pb, 0xc0); /* ECP MODE */
+ pb->ops->write_control(pb, dsr_read );
+ dma = parport_prepare_dma(buff, 1000);
+ pb->ops->write_econtrol(pb, 0xd8); /* ECP FIFO + enable DMA */
+ parport_enable_dma(dma);
+ udelay(500); /* Give some for DMA tranfer */
+ retv = parport_detect_dma_transfer(dma, 1000);
+
+ /*
+ * National Semiconductors only supports DMA tranfers
+ * in ECP MODE
+ */
+ if (retv == PARPORT_DMA_NONE) {
+ pb->ops->write_econtrol(pb, 0x60); /* ECP MODE */
+ pb->ops->write_control(pb, dsr_read );
+ dma=parport_prepare_dma(buff,1000);
+ pb->ops->write_econtrol(pb, 0x68); /* ECP FIFO + enable DMA */
+ parport_enable_dma(dma);
+ udelay(500); /* Give some for DMA tranfer */
+ retv = parport_detect_dma_transfer(dma, 1000);
+ }
+
+ kfree(buff);
+
+ return retv;
+}
+/******************************************************
+ * MODE detection section:
+ */
+
+/*
+ * Clear TIMEOUT BIT in EPP MODE
+ */
+static int epp_clear_timeout(struct parport *pb)
+{
+ int r;
+
+ if (!(pc_read_status(pb) & 0x01))
+ return 1;
+
+ /* To clear timeout some chips require double read */
+ pc_read_status(pb);
+ r = pc_read_status(pb);
+ pc_write_status(pb, r | 0x01); /* Some reset by writing 1 */
+ pc_write_status(pb, r & 0xfe); /* Others by writing 0 */
+ r = pc_read_status(pb);
+
+ return !(r & 0x01);
+}
+
+
+/*
+ * Checks for port existence, all ports support SPP MODE
+ */
+static int parport_SPP_supported(struct parport *pb)
+{
+ /* Do a simple read-write test to make sure the port exists. */
+ pc_write_control(pb, 0xc);
+ pc_write_data(pb, 0xaa);
+ if (pc_read_data(pb) != 0xaa) return 0;
+
+ pc_write_data(pb, 0x55);
+ if (pc_read_data(pb) != 0x55) return 0;
+
+ return PARPORT_MODE_PCSPP;
+}
+
+/* Check for ECP
+ *
+ * Old style XT ports alias io ports every 0x400, hence accessing ECR
+ * on these cards actually accesses the CTR.
+ *
+ * Modern cards don't do this but reading from ECR will return 0xff
+ * regardless of what is written here if the card does NOT support
+ * ECP.
+ *
+ * We will write 0x2c to ECR and 0xcc to CTR since both of these
+ * values are "safe" on the CTR since bits 6-7 of CTR are unused.
+ */
+static int parport_ECR_present(struct parport *pb)
+{
+ int r, octr = pc_read_control(pb), oecr = pc_read_econtrol(pb);
+
+ r= pc_read_control(pb);
+ if ((pc_read_econtrol(pb) & 0x03) == (r & 0x03)) {
+ pc_write_control(pb, r ^ 0x03 ); /* Toggle bits 0-1 */
+
+ r= pc_read_control(pb);
+ if ((pc_read_econtrol(pb) & 0x03) == (r & 0x03))
+ return 0; /* Sure that no ECR register exists */
+ }
+
+ if ((pc_read_econtrol(pb) & 0x03 ) != 0x01)
+ return 0;
+
+ pc_write_econtrol(pb,0x34);
+ if (pc_read_econtrol(pb) != 0x35)
+ return 0;
+
+ pc_write_econtrol(pb, oecr);
+ pc_write_control(pb, octr);
+
+ return PARPORT_MODE_PCECR;
+}
+
+static int parport_ECP_supported(struct parport *pb)
+{
+ int i, oecr = pc_read_econtrol(pb);
+
+ /* If there is no ECR, we have no hope of supporting ECP. */
+ if (!(pb->modes & PARPORT_MODE_PCECR))
+ return 0;
+
+ /*
+ * Using LGS chipset it uses ECR register, but
+ * it doesn't support ECP or FIFO MODE
+ */
+
+ pc_write_econtrol(pb, 0xc0); /* TEST FIFO */
+ for (i=0; i < 1024 && (pc_read_econtrol(pb) & 0x01); i++)
+ pc_write_fifo(pb, 0xaa);
+
+ pc_write_econtrol(pb, oecr);
+ return (i==1024)?0:PARPORT_MODE_PCECP;
+}
+
+/* EPP mode detection
+ * Theory:
+ * Bit 0 of STR is the EPP timeout bit, this bit is 0
+ * when EPP is possible and is set high when an EPP timeout
+ * occurs (EPP uses the HALT line to stop the CPU while it does
+ * the byte transfer, an EPP timeout occurs if the attached
+ * device fails to respond after 10 micro seconds).
+ *
+ * This bit is cleared by either reading it (National Semi)
+ * or writing a 1 to the bit (SMC, UMC, WinBond), others ???
+ * This bit is always high in non EPP modes.
+ */
+static int parport_EPP_supported(struct parport *pb)
+{
+ /* If EPP timeout bit clear then EPP available */
+ if (!epp_clear_timeout(pb))
+ return 0; /* No way to clear timeout */
+
+ pc_write_control(pb, pc_read_control(pb) | 0x20);
+ pc_write_control(pb, pc_read_control(pb) | 0x10);
+ epp_clear_timeout(pb);
+
+ pc_read_epp(pb);
+ udelay(30); /* Wait for possible EPP timeout */
+
+ if (pc_read_status(pb) & 0x01) {
+ epp_clear_timeout(pb);
+ return PARPORT_MODE_PCEPP;
+ }
+
+ return 0;
+}
+
+static int parport_ECPEPP_supported(struct parport *pb)
+{
+ int mode, oecr = pc_read_econtrol(pb);
+
+ if (!(pb->modes & PARPORT_MODE_PCECR))
+ return 0;
+
+ /* Search for SMC style EPP+ECP mode */
+ pc_write_econtrol(pb, 0x80);
+
+ mode = parport_EPP_supported(pb);
+
+ pc_write_econtrol(pb, oecr);
+
+ return mode?PARPORT_MODE_PCECPEPP:0;
+}
+
+/* Detect PS/2 support.
+ *
+ * Bit 5 (0x20) sets the PS/2 data direction; setting this high
+ * allows us to read data from the data lines. In theory we would get back
+ * 0xff but any peripheral attached to the port may drag some or all of the
+ * lines down to zero. So if we get back anything that isn't the contents
+ * of the data register we deem PS/2 support to be present.
+ *
+ * Some SPP ports have "half PS/2" ability - you can't turn off the line
+ * drivers, but an external peripheral with sufficiently beefy drivers of
+ * its own can overpower them and assert its own levels onto the bus, from
+ * where they can then be read back as normal. Ports with this property
+ * and the right type of device attached are likely to fail the SPP test,
+ * (as they will appear to have stuck bits) and so the fact that they might
+ * be misdetected here is rather academic.
+ */
+
+static int parport_PS2_supported(struct parport *pb)
+{
+ int ok = 0, octr = pc_read_control(pb);
+
+ epp_clear_timeout(pb);
+
+ pc_write_control(pb, octr | 0x20); /* try to tri-state the buffer */
+
+ pc_write_data(pb, 0x55);
+ if (pc_read_data(pb) != 0x55) ok++;
+
+ pc_write_data(pb, 0xaa);
+ if (pc_read_data(pb) != 0xaa) ok++;
+
+ pc_write_control(pb, octr); /* cancel input mode */
+
+ return ok?PARPORT_MODE_PCPS2:0;
+}
+
+static int parport_ECPPS2_supported(struct parport *pb)
+{
+ int mode, oecr = pc_read_econtrol(pb);
+
+ if (!(pb->modes & PARPORT_MODE_PCECR))
+ return 0;
+
+ pc_write_econtrol(pb, 0x20);
+
+ mode = parport_PS2_supported(pb);
+
+ pc_write_econtrol(pb, oecr);
+ return mode?PARPORT_MODE_PCECPPS2:0;
+}
+
+/******************************************************
+ * IRQ detection section:
+ *
+ * This code is for detecting ECP interrupts (due to problems with the
+ * monolithic interrupt probing routines).
+ *
+ * In short this is a voting system where the interrupt with the most
+ * "votes" is the elected interrupt (it SHOULD work...)
+ *
+ * This is horribly x86-specific at the moment. I'm not convinced it
+ * belongs at all.
+ */
+
+static int intr_vote[16];
+
+static void parport_vote_intr_func(int irq, void *dev_id, struct pt_regs *regs)
+{
+ intr_vote[irq]++;
+ return;
+}
+
+static long open_intr_election(void)
+{
+ long tmp = 0;
+ int i;
+
+ /* We ignore the timer - irq 0 */
+ for (i = 1; i < 16; i++) {
+ intr_vote[i] = 0;
+ if (request_irq(i, parport_vote_intr_func,
+ SA_INTERRUPT, "probe", intr_vote) == 0)
+ tmp |= 1 << i;
+ }
+ return tmp;
+}
+
+static int close_intr_election(long tmp)
+{
+ int irq = PARPORT_IRQ_NONE;
+ int i;
+
+ /* We ignore the timer - irq 0 */
+ for (i = 1; i < 16; i++)
+ if (tmp & (1 << i)) {
+ if (intr_vote[i]) {
+ if (irq != PARPORT_IRQ_NONE)
+ /* More than one interrupt */
+ return PARPORT_IRQ_NONE;
+ irq = i;
+ }
+ free_irq(i, intr_vote);
+ }
+ return irq;
+}
+
+/* Only if supports ECP mode */
+static int programmable_irq_support(struct parport *pb)
+{
+ int irq, oecr = pc_read_econtrol(pb);
+
+ pc_write_econtrol(pb,0xE0); /* Configuration MODE */
+
+ irq = (pc_read_configb(pb) >> 3) & 0x07;
+
+ switch(irq){
+ case 2:
+ irq = 9;
+ break;
+ case 7:
+ irq = 5;
+ break;
+ case 0:
+ irq = PARPORT_IRQ_NONE;
+ break;
+ default:
+ irq += 7;
+ }
+
+ pc_write_econtrol(pb, oecr);
+ return irq;
+}
+
+static int irq_probe_ECP(struct parport *pb)
+{
+ int irqs, i, oecr = pc_read_econtrol(pb);
+
+ probe_irq_off(probe_irq_on()); /* Clear any interrupts */
+ irqs = open_intr_election();
+
+ pc_write_econtrol(pb, 0x00); /* Reset FIFO */
+ pc_write_econtrol(pb, 0xd0); /* TEST FIFO + nErrIntrEn */
+
+ /* If Full FIFO sure that WriteIntrThresold is generated */
+ for (i=0; i < 1024 && !(pc_read_econtrol(pb) & 0x02) ; i++)
+ pc_write_fifo(pb, 0xaa);
+
+ pb->irq = close_intr_election(irqs);
+ pc_write_econtrol(pb, oecr);
+ return pb->irq;
+}
+
+/*
+ * This detection seems that only works in National Semiconductors
+ * This doesn't work in SMC, LGS, and Winbond
+ */
+static int irq_probe_EPP(struct parport *pb)
+{
+ int irqs, octr = pc_read_control(pb);
+
+#ifndef ADVANCED_DETECT
+ return PARPORT_IRQ_NONE;
+#endif
+
+ probe_irq_off(probe_irq_on()); /* Clear any interrupts */
+ irqs = open_intr_election();
+
+ if (pb->modes & PARPORT_MODE_PCECR)
+ pc_write_econtrol(pb, pc_read_econtrol(pb) | 0x10);
+
+ epp_clear_timeout(pb);
+ pc_write_control(pb, pc_read_control(pb) | 0x20);
+ pc_write_control(pb, pc_read_control(pb) | 0x10);
+ epp_clear_timeout(pb);
+
+ /* Device isn't expecting an EPP read
+ * and generates an IRQ.
+ */
+ pc_read_epp(pb);
+ udelay(20);
+
+ pb->irq = close_intr_election(irqs);
+ pc_write_control(pb, octr);
+ return pb->irq;
+}
+
+static int irq_probe_SPP(struct parport *pb)
+{
+ int irqs, octr = pc_read_control(pb);
+
+#ifndef ADVANCED_DETECT
+ return PARPORT_IRQ_NONE;
+#endif
+
+ probe_irq_off(probe_irq_on()); /* Clear any interrupts */
+ irqs = probe_irq_on();
+
+ if (pb->modes & PARPORT_MODE_PCECR)
+ pc_write_econtrol(pb, 0x10);
+
+ pc_write_data(pb,0x00);
+ pc_write_control(pb,0x00);
+ pc_write_control(pb,0x0c);
+ udelay(5);
+ pc_write_control(pb,0x0d);
+ udelay(5);
+ pc_write_control(pb,0x0c);
+ udelay(25);
+ pc_write_control(pb,0x08);
+ udelay(25);
+ pc_write_control(pb,0x0c);
+ udelay(50);
+
+ pb->irq = probe_irq_off(irqs);
+ if (pb->irq <= 0)
+ pb->irq = PARPORT_IRQ_NONE; /* No interrupt detected */
+
+ pc_write_control(pb, octr);
+ return pb->irq;
+}
+
+/* We will attempt to share interrupt requests since other devices
+ * such as sound cards and network cards seem to like using the
+ * printer IRQs.
+ *
+ * When ECP is available we can autoprobe for IRQs.
+ * NOTE: If we can autoprobe it, we can register the IRQ.
+ */
+static int parport_irq_probe(struct parport *pb)
+{
+ if (pb->modes & PARPORT_MODE_PCECR)
+ pb->irq = programmable_irq_support(pb);
+
+ if (pb->modes & PARPORT_MODE_PCECP)
+ pb->irq = irq_probe_ECP(pb);
+
+ if (pb->irq == PARPORT_IRQ_NONE &&
+ (pb->modes & PARPORT_MODE_PCECPEPP)) {
+ int oecr = pc_read_econtrol(pb);
+ pc_write_econtrol(pb, 0x80);
+ pb->irq = irq_probe_EPP(pb);
+ pc_write_econtrol(pb, oecr);
+ }
+
+ epp_clear_timeout(pb);
+
+ if (pb->irq == PARPORT_IRQ_NONE && (pb->modes & PARPORT_MODE_PCEPP))
+ pb->irq = irq_probe_EPP(pb);
+
+ epp_clear_timeout(pb);
+
+ if (pb->irq == PARPORT_IRQ_NONE)
+ pb->irq = irq_probe_SPP(pb);
+
+ return pb->irq;
+}
+
+static int probe_one_port(unsigned long int base, int irq, int dma)
+{
+ struct parport tmpport, *p;
+ if (check_region(base, 3)) return 0;
+ tmpport.base = base;
+ tmpport.ops = &pc_ops;
+ if (!(parport_SPP_supported(&tmpport))) return 0;
+ if (!(p = parport_register_port(base, irq, dma, &pc_ops))) return 0;
+ p->modes = PARPORT_MODE_PCSPP | parport_PS2_supported(p);
+ if (p->base != 0x3bc) {
+ if (!check_region(base+0x400,3)) {
+ p->modes |= parport_ECR_present(p);
+ p->modes |= parport_ECP_supported(p);
+ p->modes |= parport_ECPPS2_supported(p);
+ }
+ if (!check_region(base+0x3, 5)) {
+ p->modes |= parport_EPP_supported(p);
+ p->modes |= parport_ECPEPP_supported(p);
+ }
+ }
+ p->size = (p->modes & (PARPORT_MODE_PCEPP
+ | PARPORT_MODE_PCECPEPP))?8:3;
+ printk(KERN_INFO "%s: PC-style at 0x%x", p->name, p->base);
+ if (p->irq == PARPORT_IRQ_AUTO) {
+ p->irq = PARPORT_IRQ_NONE;
+ parport_irq_probe(p);
+ }
+ if (p->irq != PARPORT_IRQ_NONE)
+ printk(", irq %d", p->irq);
+ if (p->irq != PARPORT_DMA_NONE)
+ printk(", dma %d", p->dma);
+ printk(" [");
+#define printmode(x) {if(p->modes&PARPORT_MODE_PC##x){printk("%s%s",f?",":"",#x);f++;}}
+ {
+ int f = 0;
+ printmode(SPP);
+ printmode(PS2);
+ printmode(EPP);
+ printmode(ECP);
+ printmode(ECPEPP);
+ printmode(ECPPS2);
+ }
+#undef printmode
+ printk("]\n");
+ return 1;
+}
+
+int parport_pc_init(int *io, int *irq, int *dma)
+{
+ int count = 0, i = 0;
+ if (io && *io) {
+ /* Only probe the ports we were given. */
+ do {
+ count += probe_one_port(*(io++), *(irq++), *(dma++));
+ } while (*io && (++i < PC_MAX_PORTS));
+ } else {
+ /* Probe all the likely ports. */
+ count += probe_one_port(0x378, PARPORT_IRQ_AUTO, PARPORT_DMA_AUTO);
+
+#if defined(__i386__)
+ count += probe_one_port(0x278, PARPORT_IRQ_AUTO, PARPORT_DMA_AUTO);
+ count += probe_one_port(0x3bc, PARPORT_IRQ_AUTO, PARPORT_DMA_AUTO);
+#endif
+ }
+ return count;
+}
+
+#ifdef MODULE
+static int io[PC_MAX_PORTS+1] = { 0, };
+static int dma[PC_MAX_PORTS] = { PARPORT_DMA_AUTO, };
+static int irq[PC_MAX_PORTS] = { PARPORT_IRQ_AUTO, };
+MODULE_PARM(io, "1-" __MODULE_STRING(PC_MAX_PORTS) "i");
+MODULE_PARM(irq, "1-" __MODULE_STRING(PC_MAX_PORTS) "i");
+MODULE_PARM(dma, "1-" __MODULE_STRING(PC_MAX_PORTS) "i");
+
+static int init_module(void)
+{
+ return (parport_pc_init(NULL, NULL, NULL)?0:1);
+}
+
+static void cleanup_module(void)
+{
+ struct parport *p = parport_enumerate();
+ while (p) {
+ if (p->modes & PARPORT_MODE_PCSPP) {
+ if (!(p->flags & PARPORT_FLAG_COMA))
+ parport_quiesce(p);
+ }
+ p = p->next;
+ }
+}
+#endif
diff --git a/drivers/misc/parport_procfs.c b/drivers/misc/parport_procfs.c
new file mode 100644
index 000000000..5365c0df7
--- /dev/null
+++ b/drivers/misc/parport_procfs.c
@@ -0,0 +1,341 @@
+/* $Id: parport_procfs.c,v 1.1 1997/07/25 01:53:18 ralf Exp $
+ * Parallel port /proc interface code.
+ *
+ * Authors: David Campbell <campbell@tirian.che.curtin.edu.au>
+ * Tim Waugh <tmw20@cam.ac.uk>
+ *
+ * based on work by Grant Guenther <grant@torque.net>
+ * and Philip Blundell <Philip.Blundell@pobox.com>
+ */
+
+#include <linux/tasks.h>
+#include <asm/ptrace.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+
+#include <linux/config.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/malloc.h>
+
+#include <linux/proc_fs.h>
+
+#include <linux/parport.h>
+
+#undef PARPORT_INCLUDE_BENCH
+
+struct proc_dir_entry *base=NULL;
+
+extern void parport_null_intr_func(int irq, void *dev_id, struct pt_regs *regs);
+
+static int irq_write_proc(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ int newirq;
+ struct parport *pp = (struct parport *)data;
+
+ if (count > 4 ) /* more than 4 digits for a irq 0x?? 0?? ?? */
+ return(-EOVERFLOW);
+
+ if (buffer[0] < 32 || !strncmp(buffer, "none", 4)) {
+ newirq = PARPORT_IRQ_NONE;
+ } else {
+ if (buffer[0] == '0') {
+ if( buffer[1] == 'x' )
+ newirq = simple_strtoul(&buffer[2],0,16);
+ else
+ newirq = simple_strtoul(&buffer[1],0,8);
+ } else {
+ newirq = simple_strtoul(buffer,0,10);
+ }
+ }
+
+ if (pp->irq != PARPORT_IRQ_NONE && !(pp->flags & PARPORT_FLAG_COMA))
+ free_irq(pp->irq, pp);
+
+ pp->irq = newirq;
+
+ if (pp->irq != PARPORT_IRQ_NONE && !(pp->flags & PARPORT_FLAG_COMA)) {
+ struct pardevice *pd = pp->cad;
+
+ if (pd == NULL) {
+ pd = pp->devices;
+ if (pd != NULL)
+ request_irq(pp->irq, pd->irq_func ?
+ pd->irq_func :
+ parport_null_intr_func,
+ SA_INTERRUPT, pd->name, pd->port);
+ } else {
+ request_irq(pp->irq, pd->irq_func ? pd->irq_func :
+ parport_null_intr_func,
+ SA_INTERRUPT, pp->name, pd->port);
+ }
+ }
+
+ return count;
+}
+
+static int irq_read_proc(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct parport *pp = (struct parport *)data;
+ int len;
+
+ if (pp->irq == PARPORT_IRQ_NONE)
+ len = sprintf(page, "none\n");
+ else
+ len = sprintf(page, "%d\n", pp->irq);
+
+ *start = 0;
+ *eof = 1;
+ return len;
+}
+
+static int devices_read_proc(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct parport *pp = (struct parport *)data;
+ struct pardevice *pd1;
+ int len=0;
+
+ for (pd1 = pp->devices; pd1 ; pd1 = pd1->next) {
+ if (pd1 == pp->cad)
+ len += sprintf(page+len, "+");
+ else
+ len += sprintf(page+len, " ");
+
+ len += sprintf(page+len, "%s",pd1->name);
+
+ if (pd1 == pp->lurker)
+ len += sprintf(page+len, " LURK");
+
+ len += sprintf(page+len,"\n");
+ }
+
+ *start = 0;
+ *eof = 1;
+ return len;
+}
+
+static int hardware_read_proc(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct parport *pp = (struct parport *)data;
+ int len=0;
+
+ len += sprintf(page+len, "base:\t0x%x\n",pp->base);
+ if (pp->irq == PARPORT_IRQ_NONE)
+ len += sprintf(page+len, "irq:\tnone\n");
+ else
+ len += sprintf(page+len, "irq:\t%d\n",pp->irq);
+ len += sprintf(page+len, "dma:\t%d\n",pp->dma);
+
+
+#if 0
+ len += sprintf(page+len, "modes:\t");
+ {
+#define printmode(x) {if(pp->modes&PARPORT_MODE_##x){len+=sprintf(page+len,"%s%s",f?",":"",#x);f++;}}
+ int f = 0;
+ printmode(SPP);
+ printmode(PS2);
+ printmode(EPP);
+ printmode(ECP);
+ printmode(ECPEPP);
+ printmode(ECPPS2);
+#undef printmode
+ }
+ len += sprintf(page+len, "\n");
+
+ len += sprintf(page+len, "mode:\t");
+ if (pp->modes & PARPORT_MODE_ECR) {
+ switch (r_ecr(pp) >> 5) {
+ case 0:
+ len += sprintf(page+len, "SPP");
+ if( pp->modes & PARPORT_MODE_PS2 )
+ len += sprintf(page+len, ",PS2");
+ if( pp->modes & PARPORT_MODE_EPP )
+ len += sprintf(page+len, ",EPP");
+ break;
+ case 1:
+ len += sprintf(page+len, "ECPPS2");
+ break;
+ case 2:
+ len += sprintf(page+len, "DATAFIFO");
+ break;
+ case 3:
+ len += sprintf(page+len, "ECP");
+ break;
+ case 4:
+ len += sprintf(page+len, "ECPEPP");
+ break;
+ case 5:
+ len += sprintf(page+len, "Reserved?");
+ break;
+ case 6:
+ len += sprintf(page+len, "TEST");
+ break;
+ case 7:
+ len += sprintf(page+len, "Configuration");
+ break;
+ }
+ } else {
+ len += sprintf(page+len, "SPP");
+ if (pp->modes & PARPORT_MODE_PS2)
+ len += sprintf(page+len, ",PS2");
+ if (pp->modes & PARPORT_MODE_EPP)
+ len += sprintf(page+len, ",EPP");
+ }
+ len += sprintf(page+len, "\n");
+#endif
+#if 0
+ /* Now no detection, please fix with an external function */
+ len += sprintf(page+len, "chipset:\tunknown\n");
+#endif
+#ifdef PARPORT_INCLUDE_BENCHMARK
+ if (pp->speed)
+ len += sprintf(page+len, "bench:\t%d Bytes/s\n",pp->speed);
+ else
+ len += sprintf(page+len, "bench:\tunknown\n");
+#endif
+
+ *start = 0;
+ *eof = 1;
+ return len;
+}
+
+static struct proc_dir_entry *new_proc_entry(const char *name, mode_t mode,
+ struct proc_dir_entry *parent,
+ unsigned short ino)
+{
+ struct proc_dir_entry *ent;
+
+ ent = kmalloc(sizeof(struct proc_dir_entry), GFP_KERNEL);
+ if (!ent)
+ return NULL;
+ memset(ent, 0, sizeof(struct proc_dir_entry));
+
+ if (mode == S_IFDIR)
+ mode |= S_IRUGO | S_IXUGO;
+ else if (mode == 0)
+ mode = S_IFREG | S_IRUGO;
+
+
+ ent->low_ino = ino;
+ ent->name = name;
+ ent->namelen = strlen(name);
+ ent->mode = mode;
+ if (S_ISDIR(mode))
+ ent->nlink = 2;
+ else
+ ent->nlink = 1;
+
+ proc_register(parent, ent);
+
+ return ent;
+}
+
+
+int parport_proc_init()
+{
+ base = new_proc_entry("parport", S_IFDIR, &proc_root,PROC_PARPORT);
+
+ if (base)
+ return 1;
+ else {
+ printk(KERN_ERR "parport: Error creating proc entry /proc/parport\n");
+ return 0;
+ }
+}
+
+int parport_proc_cleanup()
+{
+ if (base)
+ proc_unregister(&proc_root,base->low_ino);
+
+ base = NULL;
+
+ return 0;
+}
+
+int parport_proc_register(struct parport *pp)
+{
+ struct proc_dir_entry *ent;
+ static int conta=0;
+ char *name;
+
+ memset(&pp->pdir,0,sizeof(struct parport_dir));
+
+ if (!base) {
+ printk(KERN_ERR "parport: Error entry /proc/parport, not generated?\n");
+ return 1;
+ }
+
+ name = pp->pdir.name;
+ sprintf(name,"%d",conta++);
+
+ ent = new_proc_entry(name, S_IFDIR, base,0);
+ if (!ent) {
+ printk(KERN_ERR "parport: Error registering proc_entry /proc/%s\n",name);
+ return 1;
+ }
+ pp->pdir.entry = ent;
+
+ ent = new_proc_entry("irq", S_IFREG | S_IRUGO | S_IWUSR, pp->pdir.entry,0);
+ if (!ent) {
+ printk(KERN_ERR "parport: Error registering proc_entry /proc/%s/irq\n",name);
+ return 1;
+ }
+ ent->read_proc = irq_read_proc;
+ ent->write_proc= irq_write_proc;
+ ent->data = pp;
+ pp->pdir.irq = ent;
+
+ ent = new_proc_entry("devices", 0, pp->pdir.entry,0);
+ if (!ent) {
+ printk(KERN_ERR "parport: Error registering proc_entry /proc/%s/devices\n",name);
+ return 1;
+ }
+ ent->read_proc = devices_read_proc;
+ ent->data = pp;
+ pp->pdir.devices = ent;
+
+ ent = new_proc_entry("hardware", 0, pp->pdir.entry,0);
+ if (!ent) {
+ printk(KERN_ERR "parport: Error registering proc_entry /proc/%s/hardware\n",name);
+ return 1;
+ }
+ ent->read_proc = hardware_read_proc;
+ ent->data = pp;
+ pp->pdir.hardware = ent;
+ return 0;
+}
+
+int parport_proc_unregister(struct parport *pp)
+{
+ if (pp->pdir.entry) {
+ if (pp->pdir.irq) {
+ proc_unregister(pp->pdir.entry, pp->pdir.irq->low_ino);
+ kfree(pp->pdir.irq);
+ }
+
+ if (pp->pdir.devices) {
+ proc_unregister(pp->pdir.entry,
+ pp->pdir.devices->low_ino);
+ kfree(pp->pdir.devices);
+ }
+
+ if (pp->pdir.hardware) {
+ proc_unregister(pp->pdir.entry,
+ pp->pdir.hardware->low_ino);
+ kfree(pp->pdir.hardware);
+ }
+
+ proc_unregister(base, pp->pdir.entry->low_ino);
+ kfree(pp->pdir.entry);
+ }
+
+ return 0;
+}
diff --git a/drivers/misc/parport_share.c b/drivers/misc/parport_share.c
new file mode 100644
index 000000000..55b64e856
--- /dev/null
+++ b/drivers/misc/parport_share.c
@@ -0,0 +1,319 @@
+/* $Id: parport_share.c,v 1.1 1997/07/25 01:53:19 ralf Exp $
+ * Parallel-port resource manager code.
+ *
+ * Authors: David Campbell <campbell@tirian.che.curtin.edu.au>
+ * Tim Waugh <tmw20@cam.ac.uk>
+ * Jose Renau <renau@acm.org>
+ *
+ * based on work by Grant Guenther <grant@torque.net>
+ * and Philip Blundell <Philip.Blundell@pobox.com>
+ */
+
+#include <linux/tasks.h>
+
+#include <linux/parport.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/malloc.h>
+
+#undef PARPORT_PARANOID
+
+static struct parport *portlist = NULL, *portlist_tail = NULL;
+static int portcount = 0;
+
+/* Return a list of all the ports we know about. */
+struct parport *parport_enumerate(void)
+{
+ return portlist;
+}
+
+void parport_null_intr_func(int irq, void *dev_id, struct pt_regs *regs)
+{
+ /* NULL function - Does nothing */
+ return;
+}
+
+struct parport *parport_register_port(unsigned long base, int irq, int dma,
+ struct parport_operations *ops)
+{
+ struct parport *tmp;
+
+ /* Check for a previously registered port.
+ * NOTE: we will ignore irq and dma if we find a previously
+ * registered device.
+ */
+ for (tmp = portlist; tmp; tmp = tmp->next) {
+ if (tmp->base == base)
+ return tmp;
+ }
+
+ tmp = kmalloc(sizeof(struct parport), GFP_KERNEL);
+ if (!tmp) {
+ printk(KERN_WARNING "parport: memory squeeze\n");
+ return NULL;
+ }
+
+ /* Init our structure */
+ memset(tmp, 0, sizeof(struct parport));
+ tmp->base = base;
+ tmp->irq = irq;
+ tmp->dma = dma;
+ tmp->modes = 0;
+ tmp->next = NULL;
+ tmp->devices = tmp->cad = tmp->lurker = NULL;
+ tmp->flags = 0;
+ tmp->ops = ops;
+
+ tmp->name = kmalloc(15, GFP_KERNEL);
+ if (!tmp->name) {
+ printk(KERN_ERR "parport: memory squeeze\n");
+ kfree(tmp);
+ return NULL;
+ }
+ sprintf(tmp->name, "parport%d", portcount);
+
+ /* Here we chain the entry to our list. */
+ if (portlist_tail)
+ portlist_tail->next = tmp;
+ portlist_tail = tmp;
+ if (!portlist)
+ portlist = tmp;
+
+ portcount++;
+
+ tmp->probe_info.class = PARPORT_CLASS_LEGACY; /* assume the worst */
+ return tmp;
+}
+
+void parport_quiesce(struct parport *port)
+{
+ if (port->devices) {
+ printk(KERN_WARNING "%s: attempt to quiesce active port.\n", port->name);
+ return;
+ }
+
+ if (port->flags & PARPORT_FLAG_COMA) {
+ printk(KERN_WARNING "%s: attempt to quiesce comatose port.\n", port->name);
+ return;
+ }
+
+ port->ops->release_resources(port);
+
+ port->flags |= PARPORT_FLAG_COMA;
+}
+
+struct pardevice *parport_register_device(struct parport *port, const char *name,
+ int (*pf)(void *), int (*kf)(void *),
+ void (*irq_func)(int, void *, struct pt_regs *),
+ int flags, void *handle)
+{
+ struct pardevice *tmp;
+
+ /* We only allow one lurking device. */
+ if (flags & PARPORT_DEV_LURK) {
+ if (port->lurker) {
+ printk(KERN_INFO "%s: refused to register second lurker (%s)\n",
+ port->name, name);
+ return NULL;
+ }
+ if (!pf || !kf) {
+ printk(KERN_INFO "%s: refused to register lurking device (%s) without callbacks\n", port->name, name);
+ return NULL;
+ }
+ }
+
+ /* We may need to claw back the port hardware. */
+ if (port->flags & PARPORT_FLAG_COMA) {
+ if (port->ops->claim_resources(port)) {
+ printk(KERN_WARNING "%s: unable to get hardware to register %s.\n", port->name, name);
+ return NULL;
+ }
+ port->flags &= ~PARPORT_FLAG_COMA;
+ }
+
+ tmp = kmalloc(sizeof(struct pardevice), GFP_KERNEL);
+ if (tmp == NULL) {
+ printk(KERN_WARNING "%s: memory squeeze, couldn't register %s.\n", port->name, name);
+ return NULL;
+ }
+
+ tmp->state = kmalloc(sizeof(struct parport_state), GFP_KERNEL);
+ if (tmp->state == NULL) {
+ printk(KERN_WARNING "%s: memory squeeze, couldn't register %s.\n", port->name, name);
+ kfree(tmp);
+ return NULL;
+ }
+
+ tmp->name = (char *) name;
+ tmp->port = port;
+ tmp->preempt = pf;
+ tmp->wakeup = kf;
+ tmp->private = handle;
+ tmp->flags = flags;
+ tmp->irq_func = irq_func;
+ port->ops->save_state(port, tmp->state);
+
+ /* Chain this onto the list */
+ tmp->prev = NULL;
+ tmp->next = port->devices;
+ if (port->devices)
+ port->devices->prev = tmp;
+ port->devices = tmp;
+
+ if (flags & PARPORT_DEV_LURK)
+ port->lurker = tmp;
+
+ inc_parport_count();
+
+ return tmp;
+}
+
+void parport_unregister_device(struct pardevice *dev)
+{
+ struct parport *port;
+
+ if (dev == NULL) {
+ printk(KERN_ERR "parport_unregister_device: passed NULL\n");
+ return;
+ }
+
+ port = dev->port;
+
+ if (port->cad == dev) {
+ printk(KERN_WARNING "%s: refused to unregister currently active device %s.\n", port->name, dev->name);
+ return;
+ }
+
+ if (port->lurker == dev)
+ port->lurker = NULL;
+
+ if (dev->next)
+ dev->next->prev = dev->prev;
+ if (dev->prev)
+ dev->prev->next = dev->next;
+ else
+ port->devices = dev->next;
+
+ kfree(dev->state);
+ kfree(dev);
+
+ dec_parport_count();
+
+ /* If there are no more devices, put the port to sleep. */
+ if (!port->devices)
+ parport_quiesce(port);
+
+ return;
+}
+
+int parport_claim(struct pardevice *dev)
+{
+ struct pardevice *pd1;
+
+ if (dev->port->cad == dev) {
+ printk(KERN_INFO "%s: %s already owner\n",
+ dev->port->name,dev->name);
+ return 0;
+ }
+
+ /* Preempt any current device */
+ pd1 = dev->port->cad;
+ if (dev->port->cad) {
+ if (dev->port->cad->preempt) {
+ /* Now try to preempt */
+ if (dev->port->cad->preempt(dev->port->cad->private))
+ return -EAGAIN;
+ dev->port->ops->save_state(dev->port, dev->state);
+ } else
+ return -EAGAIN;
+ }
+
+ /* Watch out for bad things */
+ if (dev->port->cad != pd1) {
+ printk(KERN_WARNING "%s: death while preempting %s\n",
+ dev->port->name, dev->name);
+ if (dev->port->cad)
+ return -EAGAIN;
+ }
+
+ /* Now we do the change of devices */
+ dev->port->cad = dev;
+
+ /* Swap the IRQ handlers. */
+ if (dev->port->irq >= 0) {
+ free_irq(dev->port->irq, dev->port);
+ request_irq(dev->port->irq, dev->irq_func ? dev->irq_func :
+ parport_null_intr_func, SA_INTERRUPT, dev->name,
+ dev->port);
+ }
+
+ /* Restore control registers */
+ dev->port->ops->restore_state(dev->port, dev->state);
+
+ return 0;
+}
+
+void parport_release(struct pardevice *dev)
+{
+ struct pardevice *pd1;
+
+ /* Make sure that dev is the current device */
+ if (dev->port->cad != dev) {
+ printk(KERN_WARNING "%s: %s tried to release parport when not owner\n", dev->port->name, dev->name);
+ return;
+ }
+ dev->port->cad = NULL;
+
+ /* Save control registers */
+ dev->port->ops->save_state(dev->port, dev->state);
+
+ /* Point IRQs somewhere harmless. */
+ if (dev->port->irq >= 0) {
+ free_irq(dev->port->irq, dev->port);
+ request_irq(dev->port->irq, parport_null_intr_func,
+ SA_INTERRUPT, dev->port->name, dev->port);
+ }
+
+ /* Walk the list, offering a wakeup callback to everybody other
+ * than the lurker and the device that called us.
+ */
+ for (pd1 = dev->next; pd1; pd1 = pd1->next) {
+ if (!(pd1->flags & PARPORT_DEV_LURK)) {
+ if (pd1->wakeup) {
+ pd1->wakeup(pd1->private);
+ if (dev->port->cad)
+ return;
+ }
+ }
+ }
+
+ for (pd1 = dev->port->devices; pd1 && pd1 != dev; pd1 = pd1->next) {
+ if (!(pd1->flags & PARPORT_DEV_LURK)) {
+ if (pd1->wakeup) {
+ pd1->wakeup(pd1->private);
+ if (dev->port->cad)
+ return;
+ }
+ }
+ }
+
+ /* Now give the lurker a chance.
+ * There should be a wakeup callback because we checked for it
+ * at registration.
+ */
+ if (dev->port->lurker && (dev->port->lurker != dev)) {
+ if (dev->port->lurker->wakeup) {
+ dev->port->lurker->wakeup(dev->port->lurker->private);
+ }
+#ifdef PARPORT_PARANOID
+ else { /* can't happen */
+ printk(KERN_DEBUG
+ "%s (%s): lurker's wakeup callback went away!\n",
+ dev->port->name, dev->name);
+ }
+#endif
+ }
+}
diff --git a/drivers/net/Config.in b/drivers/net/Config.in
index bba3e43b8..4c879ceca 100644
--- a/drivers/net/Config.in
+++ b/drivers/net/Config.in
@@ -16,7 +16,7 @@ tristate 'EQL (serial line load balancing) support' CONFIG_EQUALIZER
bool 'Ethernet (10 or 100Mbit)' CONFIG_NET_ETHERNET
if [ "$CONFIG_NET_ETHERNET" = "y" ]; then
if [ "$CONFIG_MIPS_JAZZ" = "y" ]; then
- bool 'MIPS JAZZ onboard SONIC ethernet support' CONFIG_MIPS_JAZZ_SONIC
+ tristate 'MIPS JAZZ onboard SONIC ethernet support' CONFIG_MIPS_JAZZ_SONIC
fi
bool '3COM cards' CONFIG_NET_VENDOR_3COM
if [ "$CONFIG_NET_VENDOR_3COM" = "y" ]; then
diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c
index 8e8852bc0..eb0117eb4 100644
--- a/drivers/net/eexpress.c
+++ b/drivers/net/eexpress.c
@@ -1493,7 +1493,7 @@ eexp_set_multicast(struct device *dev)
#endif
oj = jiffies;
while ((SCB_CUstat(scb_status(dev)) == 2) &&
- ((jiffies-oj) < 100));
+ ((jiffies-oj) < 2000));
if (SCB_CUstat(scb_status(dev)) == 2)
printk("%s: warning, CU didn't stop\n", dev->name);
lp->started &= ~(STARTED_CU);
diff --git a/drivers/net/ibmtr.c b/drivers/net/ibmtr.c
index d803e953e..ad3a6eafd 100644
--- a/drivers/net/ibmtr.c
+++ b/drivers/net/ibmtr.c
@@ -1610,7 +1610,7 @@ void cleanup_module(void)
irq2dev_map[dev_ibmtr[i]->irq] = NULL;
release_region(dev_ibmtr[i]->base_addr, IBMTR_IO_EXTENT);
kfree_s(dev_ibmtr[i]->priv, sizeof(struct tok_info));
- kfree_s(dev_ibmtr[i], sizeof(struct dev));
+ kfree_s(dev_ibmtr[i], sizeof(struct device));
dev_ibmtr[i] = NULL;
}
}
diff --git a/drivers/net/lance.c b/drivers/net/lance.c
index bf4061b05..c827a9518 100644
--- a/drivers/net/lance.c
+++ b/drivers/net/lance.c
@@ -48,12 +48,6 @@ static const char *version = "lance.c:v1.09 Aug 20 1996 dplatt@3do.com, becker@c
#include <linux/bios32.h>
#include <linux/init.h>
#include <asm/bitops.h>
-#ifdef __mips__
-#include <asm/bootinfo.h>
-static unsigned long lance_base;
-extern unsigned long port_base;
-#define PORT_BASE lance_base
-#endif /* __mips__ */
#include <asm/io.h>
#include <asm/dma.h>
@@ -362,24 +356,6 @@ __initfunc(int lance_init(void))
}
#endif /* defined(CONFIG_PCI) */
-#ifdef __mips__
- lance_base = port_base;
- if (mips_machgroup == MACH_GROUP_SNI_RM
- && mips_machtype == MACH_SNI_RM200_PCI) {
- int ioaddr = 0x100;
- lance_base = 0xbb000000;
- if ( check_region(ioaddr, LANCE_TOTAL_SIZE) == 0) {
- /* Detect "normal" 0x57 0x57 and the NI6510EB 0x52 0x44
- signatures w/ minimal I/O reads */
- char offset15, offset14 = inb(ioaddr + 14);
-
- if ((offset14 == 0x52 || offset14 == 0x57) &&
- ((offset15 = inb(ioaddr + 15)) == 0x57 || offset15 == 0x44))
- lance_probe1(ioaddr);
- }
- }
- else
-#endif
for (port = lance_portlist; *port; port++) {
int ioaddr = *port;
diff --git a/drivers/net/scc.c b/drivers/net/scc.c
index 4e43e5161..7f1b70b90 100644
--- a/drivers/net/scc.c
+++ b/drivers/net/scc.c
@@ -1,4 +1,4 @@
-#define RCS_ID "$Id: scc.c,v 1.69 1997/04/06 19:22:45 jreuter Exp jreuter $"
+#define RCS_ID "$Id: scc.c,v 1.1.1.1 1997/06/01 03:17:20 ralf Exp $"
#define VERSION "3.0"
#define BANNER "Z8530 SCC driver version "VERSION".dl1bke (experimental) by DL1BKE\n"
@@ -165,10 +165,6 @@
#include <asm/uaccess.h>
#include <asm/bitops.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <time.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
diff --git a/drivers/net/soundmodem/.cvsignore b/drivers/net/soundmodem/.cvsignore
new file mode 100644
index 000000000..1f1dff45f
--- /dev/null
+++ b/drivers/net/soundmodem/.cvsignore
@@ -0,0 +1,3 @@
+.depend
+sm_tbl_*.h
+gentbl
diff --git a/drivers/net/soundmodem/Makefile b/drivers/net/soundmodem/Makefile
index 5259b724c..9997190fc 100644
--- a/drivers/net/soundmodem/Makefile
+++ b/drivers/net/soundmodem/Makefile
@@ -43,7 +43,7 @@ endif
M_OBJS := $(O_TARGET)
gentbl: gentbl.c
- $(HOSTCC) -Wall $< -o $@ -lm
+ $(HOSTCC) $< -o $@ -lm
TBLHDR := sm_tbl_afsk1200.h sm_tbl_afsk2400_8.h
TBLHDR += sm_tbl_afsk2666.h sm_tbl_psk4800.h
diff --git a/drivers/net/soundmodem/gentbl.c b/drivers/net/soundmodem/gentbl.c
index cb8cb246f..5eff27167 100644
--- a/drivers/net/soundmodem/gentbl.c
+++ b/drivers/net/soundmodem/gentbl.c
@@ -177,12 +177,12 @@ static const float fsk96_tx_coeff_5[40] = {
#define HAMMING(x) (0.54-0.46*cos(2*M_PI*(x)));
-static inline float hamming(float x)
+static float hamming(float x)
{
return 0.54-0.46*cos(2*M_PI*x);
}
-static inline float sinc(float x)
+static float sinc(float x)
{
if (x == 0)
return 1;
diff --git a/drivers/net/strip.c b/drivers/net/strip.c
index 0104f6dc9..1ba68cf78 100644
--- a/drivers/net/strip.c
+++ b/drivers/net/strip.c
@@ -82,8 +82,8 @@ static const char StripVersion[] = "1.2-STUART.CHESHIRE";
#include <linux/version.h>
#endif
-#include <stdlib.h>
#include <asm/system.h>
+#include <linux/types.h>
#include <asm/uaccess.h>
#include <asm/bitops.h>
diff --git a/drivers/net/tlan.h b/drivers/net/tlan.h
index 9919fd275..076f6b71a 100644
--- a/drivers/net/tlan.h
+++ b/drivers/net/tlan.h
@@ -478,8 +478,3 @@ inline u32 TLan_HashFunc( u8 *a )
return hash;
}
-
-
-
-
-#endif
diff --git a/drivers/pnp/BUGS-parport b/drivers/pnp/BUGS-parport
index 6b8420a2c..e69de29bb 100644
--- a/drivers/pnp/BUGS-parport
+++ b/drivers/pnp/BUGS-parport
@@ -1,13 +0,0 @@
-Currently known (or at least suspected) bugs in parport:
-
-o /proc/parport is untested under 2.0.XX
-
-o SCSI aborts for PPA under 2.0.29 [reported by jmr]. Under investigation.
-
-o make config (etc) allow you to select CONFIG_PNP_PARPORT=m, CONFIG_PPA=y -
- the resulting kernel won't link.
-
-o IEEE1284 code does not do the terminating handshake after transfers, which
- seems to upset some devices.
-
-o lp doesn't allow you to read status while printing is in progress.
diff --git a/drivers/pnp/Config.in b/drivers/pnp/Config.in
index 44bb52d68..f8279fd67 100644
--- a/drivers/pnp/Config.in
+++ b/drivers/pnp/Config.in
@@ -8,8 +8,8 @@ comment 'Plug and Play support'
bool 'Plug and Play support' CONFIG_PNP
if [ "$CONFIG_PNP" = "y" ]; then
- if [ "$CONFIG_PNP_PARPORT" != "n" ]; then
- bool ' Auto-probe for parallel devices' CONFIG_PNP_PARPORT_AUTOPROBE
+ if [ "$CONFIG_PARPORT" != "n" ]; then
+ dep_tristate ' Auto-probe for parallel devices' CONFIG_PNP_PARPORT $CONFIG_PARPORT
fi
fi
diff --git a/drivers/pnp/Makefile b/drivers/pnp/Makefile
index 6153b8da6..565062f7e 100644
--- a/drivers/pnp/Makefile
+++ b/drivers/pnp/Makefile
@@ -23,29 +23,11 @@ MI_OBJS :=
MIX_OBJS :=
ifeq ($(CONFIG_PNP_PARPORT),y)
- L_OBJS += parport_share.o
- ifeq ($(CONFIG_PROC_FS),y)
- L_OBJS += parport_procfs.o
- endif
- ifeq ($(CONFIG_PNP_PARPORT_AUTOPROBE),y)
- L_OBJS += parport_probe.o
- endif
- LX_OBJS += parport_init.o
+ LX_OBJS += parport_probe.o
else
ifeq ($(CONFIG_PNP_PARPORT),m)
- MI_OBJS += parport_share.o
- ifneq ($(CONFIG_PROC_FS),n)
- MI_OBJS += parport_procfs.o
- endif
- ifeq ($(CONFIG_PNP_PARPORT_AUTOPROBE),y)
- MI_OBJS += parport_probe.o
- endif
- MIX_OBJS += parport_init.o
- M_OBJS += parport.o
+ MX_OBJS += parport_probe.o
endif
endif
include $(TOPDIR)/Rules.make
-
-parport.o: $(MI_OBJS) $(MIX_OBJS)
- $(LD) $(LD_RFLAG) -r -o $@ $(MI_OBJS) $(MIX_OBJS)
diff --git a/drivers/pnp/TODO-parport b/drivers/pnp/TODO-parport
index eea6a01fd..e69de29bb 100644
--- a/drivers/pnp/TODO-parport
+++ b/drivers/pnp/TODO-parport
@@ -1,21 +0,0 @@
-Things to be done.
-
-0. Fix the bugs (see BUGS-parport).
-
-1. Proper documentation.
-
-2. Overhaul lp.c:
-
- a) It's a mess, and there is a lot of code duplication.
-
- b) ECP support would be nice. This can only work if both the port and
- the printer support it.
-
- c) Errors could do with being handled better. There's no point logging a
- message every 10 seconds when the printer is out of paper.
-
- d) Handle status readback automatically. IEEE1284 printers can post status
- bits when they have something to say. We should read out and deal
- with (maybe just log) whatever the printer wants to tell the world.
-
-3. Assimilate more drivers.
diff --git a/drivers/pnp/parport_init.c b/drivers/pnp/parport_init.c
deleted file mode 100644
index 57574b6a5..000000000
--- a/drivers/pnp/parport_init.c
+++ /dev/null
@@ -1,831 +0,0 @@
-/* $Id: parport_init.c,v 1.3.2.4 1997/04/16 21:20:44 phil Exp $
- * Parallel-port initialisation code.
- *
- * Authors: David Campbell <campbell@tirian.che.curtin.edu.au>
- * Tim Waugh <tmw20@cam.ac.uk>
- * Jose Renau <renau@acm.org>
- *
- * based on work by Grant Guenther <grant@torque.net>
- * and Philip Blundell <Philip.Blundell@pobox.com>
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/tasks.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-
-#include <linux/parport.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/malloc.h>
-
-#include "parport_ll_io.h"
-
-static int io[PARPORT_MAX] = { 0, };
-static int irq[PARPORT_MAX] = { PARPORT_IRQ_NONE, };
-static int dma[PARPORT_MAX] = { PARPORT_DMA_NONE, };
-
-/******************************************************
- * DMA detection section:
- */
-
-/*
- * Prepare DMA channels from 0-8 to transmit towards buffer
- */
-static int parport_prepare_dma(char *buff, int size)
-{
- int tmp = 0;
- int i,retv;
-
- for (i = 0; i < 8; i++) {
- retv = request_dma(i, "probe");
- if (retv)
- continue;
- tmp |= 1 << i;
-
- cli();
- disable_dma(i);
- clear_dma_ff(i);
- set_dma_addr(i, virt_to_bus(buff));
- set_dma_count(i, size);
- set_dma_mode(i, DMA_MODE_READ);
- sti();
- }
-
- return tmp;
-}
-
-/*
- * Activate all DMA channels passed in dma
- */
-static int parport_enable_dma(int dma)
-{
- int i;
-
- for (i = 0; i < 8; i++)
- if (dma & (1 << i)) {
- cli();
- enable_dma(i);
- sti();
- }
-
- return dma;
-}
-
-static int parport_detect_dma_transfer(int dma,int size,int *resid)
-{
- int i,n,retv;
- int count=0;
-
- retv = -1;
- for (i = 0; i < 8; i++)
- if (dma & (1 << i)) {
- disable_dma(i);
- clear_dma_ff(i);
- n = get_dma_residue(i);
- if (n != size) {
- *resid = n;
- retv = i;
- if (count > 0) {
- retv = -1; /* Multiple DMA's */
- printk(KERN_ERR "parport: multiple DMA detected. Huh?\n");
- }
- count++;
- }
- free_dma(i);
- }
-
- return retv;
-}
-
-/* Only if supports ECP mode */
-static int programmable_dma_support(struct parport *pb)
-{
- int dma;
-
- w_ecr(pb,0xE0); /* Configuration MODE */
-
- dma = r_cnfgB(pb) & 0x07;
-
- w_ecr(pb,pb->ecr);
-
- if( dma == 0 || dma == 4 ) /* Jumper selection */
- return -1;
- else
- return dma;
-}
-
-/* Only called if port supports ECP mode.
- *
- * The only restriction on DMA channels is that it has to be
- * between 0 to 7 (inclusive). Used only in an ECP mode, DMAs are
- * considered a shared resource and hence they should be registered
- * when needed and then immediately unregistered.
- *
- * DMA autoprobes for ECP mode are known not to work for some
- * main board BIOS configs. I had to remove everything from the
- * port, set the mode to SPP, reboot to DOS, set the mode to ECP,
- * and reboot again, then I got IRQ probes and DMA probes to work.
- * [Is the BIOS doing a device detection?]
- *
- * A value of -1 is allowed indicating no DMA support.
- *
- * if( 0 < DMA < 4 )
- * 1Byte DMA transfer
- * else // 4 < DMA < 8
- * 2Byte DMA transfer
- *
- */
-static int parport_dma_probe(struct parport *pb)
-{
- int dma,retv;
- int dsr,dsr_read;
- char *buff;
-
- retv = programmable_dma_support(pb);
- if (retv != -1)
- return retv;
-
- if (!(buff = kmalloc(2048, GFP_KERNEL | GFP_DMA))) {
- printk(KERN_ERR "parport: memory squeeze\n");
- return -1;
- }
-
- dsr = r_ctr(pb);
- dsr_read = (dsr & ~(0x20)) | 0x04; /* Direction == read */
-
- w_ecr(pb, 0xc0); /* ECP MODE */
- w_ctr(pb, dsr_read );
- dma=parport_prepare_dma(buff,1000);
- w_ecr(pb, 0xd8); /* ECP FIFO + enable DMA */
- parport_enable_dma(dma);
- udelay(500); /* Give some for DMA tranfer */
- retv = parport_detect_dma_transfer(dma,1000,&pb->speed);
- pb->speed = pb->speed * 2000; /* 500uSec * 2000 = 1sec */
-
- /*
- * National Semiconductors only supports DMA tranfers
- * in ECP MODE
- */
- if (retv == -1) {
- w_ecr(pb, 0x60); /* ECP MODE */
- w_ctr(pb, dsr_read );
- dma=parport_prepare_dma(buff,1000);
- w_ecr(pb, 0x68); /* ECP FIFO + enable DMA */
- parport_enable_dma(dma);
- udelay(500); /* Give some for DMA tranfer */
- retv = parport_detect_dma_transfer(dma,1000,&pb->speed);
- pb->speed = pb->speed * 2000; /* 500uSec * 2000 = 1sec */
- }
-
- kfree(buff);
-
- w_ctr(pb, pb->ctr);
- w_ecr(pb, pb->ecr);
-
- return retv;
-}
-/******************************************************
- * MODE detection section:
- */
-
-/*
- * Clear TIMEOUT BIT in EPP MODE
- */
-static int epp_clear_timeout(struct parport *pb)
-{
- int r;
-
- if (!(r_str(pb) & 0x01))
- return 1;
-
- /* To clear timeout some chips require double read */
- r_str(pb);
- r = r_str(pb);
- w_str(pb, r | 0x01); /* Some reset by writing 1 */
- w_str(pb, r & 0xfe); /* Others by writing 0 */
- r = r_str(pb);
-
- return !(r & 0x01);
-}
-
-
-/*
- * Checks for port existence, all ports support SPP MODE
- */
-static int parport_SPP_supported(struct parport *pb)
-{
- /* Do a simple read-write test to make sure the port exists. */
-
- w_dtr(pb, 0xaa);
- if (r_dtr(pb) != 0xaa) return 0;
-
- w_dtr(pb, 0x55);
- if (r_dtr(pb) != 0x55) return 0;
-
- return PARPORT_MODE_SPP;
-}
-
-/* Check for ECP
- *
- * Old style XT ports alias io ports every 0x400, hence accessing ECR
- * on these cards actually accesses the CTR.
- *
- * Modern cards don't do this but reading from ECR will return 0xff
- * regardless of what is written here if the card does NOT support
- * ECP.
- *
- * We will write 0x2c to ECR and 0xcc to CTR since both of these
- * values are "safe" on the CTR since bits 6-7 of CTR are unused.
- */
-static int parport_ECR_present(struct parport *pb)
-{
- int r;
-
- r= r_ctr(pb);
- if ((r_ecr(pb) & 0x03) == (r & 0x03)) {
- w_ctr(pb, r ^ 0x03 ); /* Toggle bits 0-1 */
-
- r= r_ctr(pb);
- if ((r_ecr(pb) & 0x03) == (r & 0x03))
- return 0; /* Sure that no ECR register exists */
- }
-
- if ((r_ecr(pb) & 0x03 ) != 0x01)
- return 0;
-
- w_ecr(pb,0x34);
- if (r_ecr(pb) != 0x35)
- return 0;
-
- w_ecr(pb,pb->ecr);
- w_ctr(pb,pb->ctr);
-
- return PARPORT_MODE_ECR;
-}
-
-static int parport_ECP_supported(struct parport *pb)
-{
- int i;
-
- /* If there is no ECR, we have no hope of supporting ECP. */
- if (!(pb->modes & PARPORT_MODE_ECR))
- return 0;
-
- /*
- * Using LGS chipset it uses ECR register, but
- * it doesn't support ECP or FIFO MODE
- */
-
- w_ecr(pb, 0xc0); /* TEST FIFO */
- for (i=0; i < 1024 && (r_ecr(pb) & 0x01); i++)
- w_fifo(pb, 0xaa);
-
- w_ecr(pb, pb->ecr);
-
- if (i == 1024)
- return 0;
-
- return PARPORT_MODE_ECP;
-}
-
-/* EPP mode detection
- * Theory:
- * Bit 0 of STR is the EPP timeout bit, this bit is 0
- * when EPP is possible and is set high when an EPP timeout
- * occurs (EPP uses the HALT line to stop the CPU while it does
- * the byte transfer, an EPP timeout occurs if the attached
- * device fails to respond after 10 micro seconds).
- *
- * This bit is cleared by either reading it (National Semi)
- * or writing a 1 to the bit (SMC, UMC, WinBond), others ???
- * This bit is always high in non EPP modes.
- */
-static int parport_EPP_supported(struct parport *pb)
-{
- /* If EPP timeout bit clear then EPP available */
- if (!epp_clear_timeout(pb))
- return 0; /* No way to clear timeout */
-
- w_ctr(pb, r_ctr(pb) | 0x20);
- w_ctr(pb, r_ctr(pb) | 0x10);
- epp_clear_timeout(pb);
-
- r_epp(pb);
- udelay(30); /* Wait for possible EPP timeout */
-
- if (r_str(pb) & 0x01) {
- epp_clear_timeout(pb);
- return PARPORT_MODE_EPP;
- }
-
- return 0;
-}
-
-static int parport_ECPEPP_supported(struct parport *pb)
-{
- int mode;
-
- if (!(pb->modes & PARPORT_MODE_ECR))
- return 0;
-
- /* Search for SMC style EPP+ECP mode */
- w_ecr(pb, 0x80);
-
- mode = parport_EPP_supported(pb);
-
- w_ecr(pb, pb->ecr);
-
- if (mode)
- return PARPORT_MODE_ECPEPP;
-
- return 0;
-}
-
-/* Detect PS/2 support.
- *
- * Bit 5 (0x20) sets the PS/2 data direction; setting this high
- * allows us to read data from the data lines. In theory we would get back
- * 0xff but any peripheral attached to the port may drag some or all of the
- * lines down to zero. So if we get back anything that isn't the contents
- * of the data register we deem PS/2 support to be present.
- *
- * Some SPP ports have "half PS/2" ability - you can't turn off the line
- * drivers, but an external peripheral with sufficiently beefy drivers of
- * its own can overpower them and assert its own levels onto the bus, from
- * where they can then be read back as normal. Ports with this property
- * and the right type of device attached are likely to fail the SPP test,
- * (as they will appear to have stuck bits) and so the fact that they might
- * be misdetected here is rather academic.
- */
-
-static int parport_PS2_supported(struct parport *pb)
-{
- int ok = 0;
-
- epp_clear_timeout(pb);
-
- w_ctr(pb, pb->ctr | 0x20); /* try to tri-state the buffer */
-
- w_dtr(pb, 0x55);
- if (r_dtr(pb) != 0x55) ok++;
-
- w_dtr(pb, 0xaa);
- if (r_dtr(pb) != 0xaa) ok++;
-
- w_ctr(pb, pb->ctr); /* cancel input mode */
-
- return ok?PARPORT_MODE_PS2:0;
-}
-
-static int parport_ECPPS2_supported(struct parport *pb)
-{
- int mode;
-
- if (!(pb->modes & PARPORT_MODE_ECR))
- return 0;
-
- w_ecr(pb, 0x20);
-
- mode = parport_PS2_supported(pb);
-
- w_ecr(pb,pb->ecr);
-
- if (mode)
- return PARPORT_MODE_ECPPS2;
-
- return 0;
-}
-
-/******************************************************
- * IRQ detection section:
- *
- * This code is for detecting ECP interrupts (due to problems with the
- * monolithic interrupt probing routines).
- *
- * In short this is a voting system where the interrupt with the most
- * "votes" is the elected interrupt (it SHOULD work...)
- *
- * This is horribly x86-specific at the moment. I'm not convinced it
- * belongs at all.
- */
-
-static int intr_vote[16];
-
-static void parport_vote_intr_func(int irq, void *dev_id, struct pt_regs *regs)
-{
- intr_vote[irq]++;
- return;
-}
-
-static long open_intr_election(void)
-{
- long tmp = 0;
- int i;
-
- /* We ignore the timer - irq 0 */
- for (i = 1; i < 16; i++) {
- intr_vote[i] = 0;
- if (request_irq(i, parport_vote_intr_func,
- SA_INTERRUPT, "probe", intr_vote) == 0)
- tmp |= 1 << i;
- }
- return tmp;
-}
-
-static int close_intr_election(long tmp)
-{
- int irq = PARPORT_IRQ_NONE;
- int i;
-
- /* We ignore the timer - irq 0 */
- for (i = 1; i < 16; i++)
- if (tmp & (1 << i)) {
- if (intr_vote[i]) {
- if (irq != PARPORT_IRQ_NONE)
- /* More than one interrupt */
- return PARPORT_IRQ_NONE;
- irq = i;
- }
- free_irq(i, intr_vote);
- }
- return irq;
-}
-
-/* Only if supports ECP mode */
-static int programmable_irq_support(struct parport *pb)
-{
- int irq;
-
- w_ecr(pb,0xE0); /* Configuration MODE */
-
- irq = (r_cnfgB(pb) >> 3) & 0x07;
-
- switch(irq){
- case 2:
- irq = 9;
- break;
- case 7:
- irq = 5;
- break;
- case 0:
- irq = -1;
- break;
- default:
- irq += 7;
- }
-
- w_ecr(pb,pb->ecr);
-
- return irq;
-}
-
-static int irq_probe_ECP(struct parport *pb)
-{
- int irqs,i;
-
- probe_irq_off(probe_irq_on()); /* Clear any interrupts */
- irqs = open_intr_election();
-
- w_ecr(pb, 0x00); /* Reset FIFO */
- w_ctr(pb, pb->ctr ); /* Force direction = 0 */
- w_ecr(pb, 0xd0); /* TEST FIFO + nErrIntrEn */
-
- /* If Full FIFO sure that WriteIntrThresold is generated */
- for( i=0 ; i < 1024 && !(r_ecr(pb) & 0x02) ; i++ ){
- w_fifo(pb, 0xaa);
- }
-
- pb->irq = close_intr_election(irqs);
-
- w_ecr(pb, pb->ecr);
-
- return pb->irq;
-}
-
-/*
- * This detection seems that only works in National Semiconductors
- * This doesn't work in SMC, LGS, and Winbond
- */
-static int irq_probe_EPP(struct parport *pb)
-{
- int irqs;
-
-#ifndef ADVANCED_DETECT
- return -1;
-#endif
-
- probe_irq_off(probe_irq_on()); /* Clear any interrupts */
- irqs = open_intr_election();
-
- if( pb->modes & PARPORT_MODE_ECR )
- w_ecr(pb, r_ecr(pb) | 0x10 );
-
- epp_clear_timeout(pb);
- w_ctr(pb, r_ctr(pb) | 0x20);
- w_ctr(pb, r_ctr(pb) | 0x10);
- epp_clear_timeout(pb);
-
- /* Device isn't expecting an EPP read
- * and generates an IRQ.
- */
- r_epp(pb);
- udelay(20);
-
- pb->irq = close_intr_election(irqs);
-
- w_ctr(pb,pb->ctr);
-
- return pb->irq;
-}
-
-static int irq_probe_SPP(struct parport *pb)
-{
- int irqs;
-
-#ifndef ADVANCED_DETECT
- return -1;
-#endif
-
- probe_irq_off(probe_irq_on()); /* Clear any interrupts */
- irqs = probe_irq_on();
-
- if( pb->modes & PARPORT_MODE_ECR )
- w_ecr(pb, 0x10 );
-
- w_dtr(pb,0x00);
- w_ctr(pb,0x00);
- w_ctr(pb,0x0c);
- udelay(5);
- w_ctr(pb,0x0d);
- udelay(5);
- w_ctr(pb,0x0c);
- udelay(25);
- w_ctr(pb,0x08);
- udelay(25);
- w_ctr(pb,0x0c);
- udelay(50);
-
- pb->irq = probe_irq_off(irqs);
- if (pb->irq <= 0)
- pb->irq = PARPORT_IRQ_NONE; /* No interrupt detected */
-
- w_ctr(pb,pb->ctr);
-
- return pb->irq;
-}
-
-/* We will attempt to share interrupt requests since other devices
- * such as sound cards and network cards seem to like using the
- * printer IRQs.
- *
- * When ECP is available we can autoprobe for IRQs.
- * NOTE: If we can autoprobe it, we can register the IRQ.
- */
-static int parport_irq_probe(struct parport *pb)
-{
- if (pb->modes & PARPORT_MODE_ECR)
- pb->irq = programmable_irq_support(pb);
-
- if (pb->modes & PARPORT_MODE_ECP)
- pb->irq = irq_probe_ECP(pb);
-
- if (pb->irq == PARPORT_IRQ_NONE && (pb->modes & PARPORT_MODE_ECPEPP)) {
- w_ecr(pb,0x80);
- pb->irq = irq_probe_EPP(pb);
- w_ecr(pb,pb->ecr);
- }
-
- epp_clear_timeout(pb);
-
- if (pb->irq == PARPORT_IRQ_NONE && (pb->modes & PARPORT_MODE_EPP))
- pb->irq = irq_probe_EPP(pb);
-
- epp_clear_timeout(pb);
-
- if (pb->irq == PARPORT_IRQ_NONE)
- pb->irq = irq_probe_SPP(pb);
-
- return pb->irq;
-}
-
-
-int initialize_parport(struct parport *pb, unsigned long base, int irq, int dma, int count)
-{
- /* Check some parameters */
- if (dma < -2) {
- printk(KERN_ERR "parport: Invalid DMA[%d] at base 0x%lx\n",dma,base);
- return 0;
- }
-
- if (irq < -2) {
- printk(KERN_ERR "parport: Invalid IRQ[%d] at base 0x%lx\n",irq,base);
- return 0;
- }
-
- /* Init our structure */
- memset(pb, 0, sizeof(struct parport));
- pb->base = base;
- pb->irq = irq;
- pb->dma = dma;
- pb->modes = 0;
- pb->next = NULL;
- pb->devices = pb->cad = pb->lurker = NULL;
- pb->flags = 0;
-
- /* Before we start, set the control registers to something sensible. */
- pb->ecr = 0xc;
- pb->ctr = 0xc;
-
- pb->name = kmalloc(15, GFP_KERNEL);
- if (!pb->name) {
- printk(KERN_ERR "parport: memory squeeze\n");
- return 0;
- }
- sprintf(pb->name, "parport%d", count);
-
- if (!parport_SPP_supported(pb)) {
- epp_clear_timeout(pb);
- if (!parport_SPP_supported(pb)) {
- kfree(pb->name);
- return 0;
- }
- }
-
- pb->modes |= PARPORT_MODE_SPP; /* All ports support SPP mode. */
- pb->modes |= parport_PS2_supported(pb);
-
- if (pb->base != 0x3bc) {
- pb->modes |= parport_ECR_present(pb);
- pb->modes |= parport_ECP_supported(pb);
- pb->modes |= parport_ECPPS2_supported(pb);
- pb->modes |= parport_EPP_supported(pb);
- pb->modes |= parport_ECPEPP_supported(pb);
- }
-
- /* Now register regions */
- if ((pb->modes & (PARPORT_MODE_EPP | PARPORT_MODE_ECPEPP)) &&
- (check_region(pb->base, 8))) {
- printk(KERN_INFO "%s: EPP disabled due to port conflict at %x.\n", pb->name, pb->base + 3);
- pb->modes &= ~(PARPORT_MODE_EPP | PARPORT_MODE_ECPEPP);
- }
- pb->size = (pb->modes & (PARPORT_MODE_EPP | PARPORT_MODE_ECPEPP)) ? 8 : 3;
-
- request_region(pb->base, pb->size, pb->name);
- if (pb->modes & PARPORT_MODE_ECR)
- request_region(pb->base+0x400, 3, pb->name);
-
- /* DMA check */
- if (pb->modes & PARPORT_MODE_ECP) {
- if (pb->dma == PARPORT_DMA_NONE)
- pb->dma = parport_dma_probe(pb);
- else if (pb->dma == -2)
- pb->dma = PARPORT_DMA_NONE;
- }
-
- /* IRQ check */
- if (pb->irq == PARPORT_IRQ_NONE)
- pb->irq = parport_irq_probe(pb);
- else if (pb->irq == -2)
- pb->irq = PARPORT_IRQ_NONE;
-
- return 1;
-}
-
-#ifndef MODULE
-static int parport_setup_ptr = 0;
-
-void parport_setup(char *str, int *ints)
-{
- if (ints[0] == 0 || ints[1] == 0) {
- /* Disable parport if "parport=" or "parport=0" in cmdline */
- io[0] = PARPORT_DISABLE;
- return;
- }
- if (parport_setup_ptr < PARPORT_MAX) {
- io[parport_setup_ptr] = ints[1];
- if (ints[0]>1) {
- irq[parport_setup_ptr] = ints[2];
- if (ints[0]>2) dma[parport_setup_ptr] = ints[3];
- }
- parport_setup_ptr++;
- } else {
- printk(KERN_ERR "parport=0x%x", ints[1]);
- if (ints[0]>1) {
- printk(",%d", ints[2]);
- if (ints[0]>2) printk(",%d", ints[3]);
- }
- printk(" ignored, too many ports.\n");
- }
-}
-#endif
-
-#ifdef CONFIG_PNP_PARPORT_AUTOPROBE
-extern void parport_probe_one(struct parport *port);
-#endif
-
-#ifdef MODULE
-MODULE_PARM(io, "1-" __MODULE_STRING(PARPORT_MAX) "i");
-MODULE_PARM(irq, "1-" __MODULE_STRING(PARPORT_MAX) "i");
-MODULE_PARM(dma, "1-" __MODULE_STRING(PARPORT_MAX) "i");
-
-int init_module(void)
-#else
-int pnp_parport_init(void)
-#endif /* MODULE */
-{
- struct parport *pb;
-
- printk(KERN_INFO "Parallel port sharing: %s\n",
- "$Revision: 1.3.2.4 $");
-
- if (io[0] == PARPORT_DISABLE) return 1;
-
-#ifdef CONFIG_PROC_FS
- parport_proc_init();
-#endif
-
- /* Run probes to ensure parport does exist */
-#define PORT(a,b,c) \
- if ((pb = parport_register_port((a), (b), (c)))) \
- parport_destroy(pb);
-
-
- if (io[0]) {
- /* If the user specified any ports, use them */
- int i;
- for (i = 0; io[i] && i < PARPORT_MAX; i++) {
- PORT(io[i], irq[i], dma[i]);
- }
- } else {
- /* Go for the standard ports. */
- PORT(0x378, PARPORT_IRQ_NONE, PARPORT_DMA_NONE);
- PORT(0x278, PARPORT_IRQ_NONE, PARPORT_DMA_NONE);
- PORT(0x3bc, PARPORT_IRQ_NONE, PARPORT_DMA_NONE);
-#undef PORT
- }
-
-#if defined(CONFIG_PNP_PARPORT_AUTOPROBE) || defined(CONFIG_PROC_FS)
- for (pb = parport_enumerate(); pb; pb = pb->next) {
-#ifdef CONFIG_PNP_PARPORT_AUTOPROBE
- parport_probe_one(pb);
-#endif
-#ifdef CONFIG_PROC_FS
- parport_proc_register(pb);
-#endif
- }
-#endif
-
- return 0;
-}
-
-#ifdef MODULE
-void cleanup_module(void)
-{
- struct parport *port, *next;
-
- for (port = parport_enumerate(); port; port = next) {
- next = port->next;
- parport_destroy(port);
- parport_proc_unregister(port);
- kfree(port->name);
- kfree(port);
- }
-
- parport_proc_cleanup();
-}
-#endif
-
-/* Exported symbols for modules. */
-
-EXPORT_SYMBOL(parport_claim);
-EXPORT_SYMBOL(parport_release);
-EXPORT_SYMBOL(parport_register_port);
-EXPORT_SYMBOL(parport_destroy);
-EXPORT_SYMBOL(parport_register_device);
-EXPORT_SYMBOL(parport_unregister_device);
-EXPORT_SYMBOL(parport_enumerate);
-EXPORT_SYMBOL(parport_ieee1284_nibble_mode_ok);
-
-#ifdef CONFIG_PNP_PARPORT_AUTOPROBE
-EXPORT_SYMBOL(parport_probe);
-EXPORT_SYMBOL(parport_probe_one);
-#endif
-
-void inc_parport_count(void)
-{
-#ifdef MODULE
- MOD_INC_USE_COUNT;
-#endif
-}
-
-void dec_parport_count(void)
-{
-#ifdef MODULE
- MOD_DEC_USE_COUNT;
-#endif
-}
diff --git a/drivers/pnp/parport_ll_io.h b/drivers/pnp/parport_ll_io.h
index c2592aff6..e69de29bb 100644
--- a/drivers/pnp/parport_ll_io.h
+++ b/drivers/pnp/parport_ll_io.h
@@ -1,21 +0,0 @@
-/* $Id: parport_ll_io.h,v 1.1.2.1 1997/03/26 13:01:09 phil Exp $
- * David Campbell's "favourite IO routines" for parallel ports
- */
-
-#define r_dtr(x) inb((x)->base)
-#define r_str(x) inb((x)->base+1)
-#define r_ctr(x) inb((x)->base+2)
-#define r_epp(x) inb((x)->base+4)
-#define r_fifo(x) inb((x)->base+0x400)
-#define r_ecr(x) inb((x)->base+0x402)
-#define r_cnfgA(x) inb((x)->base+0x400)
-#define r_cnfgB(x) inb((x)->base+0x401)
-
-#define w_dtr(x,y) outb((y), (x)->base)
-#define w_str(x,y) outb((y), (x)->base+1)
-#define w_ctr(x,y) outb((y), (x)->base+2)
-#define w_epp(x,y) outb((y), (x)->base+4)
-#define w_fifo(x,y) outb((y), (x)->base+0x400)
-#define w_ecr(x,y) outb((y), (x)->base+0x402)
-#define w_cnfgA(x,y) outb((y), (x)->base+0x400)
-#define w_cnfgB(x,y) outb((y), (x)->base+0x401)
diff --git a/drivers/pnp/parport_probe.c b/drivers/pnp/parport_probe.c
index b40164496..0e7b56294 100644
--- a/drivers/pnp/parport_probe.c
+++ b/drivers/pnp/parport_probe.c
@@ -1,4 +1,4 @@
-/* $Id: parport_probe.c,v 1.1.2.9 1997/03/29 21:08:16 phil Exp $
+/* $Id: parport_probe.c,v 1.1.1.1 1997/06/01 03:17:25 ralf Exp $
* Parallel port device probing code
*
* Authors: Carsten Gross, carsten@sol.wohnheim.uni-ulm.de
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/malloc.h>
#include <linux/ctype.h>
+#include <linux/module.h>
#include <linux/lp.h>
@@ -26,23 +27,23 @@
static inline int read_nibble(struct parport *port)
{
unsigned char i;
- i = parport_r_status(port)>>3;
+ i = parport_read_status(port)>>3;
i&=~8;
if ( ( i & 0x10) == 0) i|=8;
return(i & 0x0f);
}
static void read_terminate(struct parport *port) {
- parport_w_ctrl(port, (parport_r_ctrl(port) & ~2) | 8);
+ parport_write_control(port, (parport_read_control(port) & ~2) | 8);
/* SelectIN high, AutoFeed low */
if (parport_wait_peripheral(port, 0x80, 0))
/* timeout, SelectIN high, Autofeed low */
return;
- parport_w_ctrl(port, parport_r_ctrl(port) | 2);
+ parport_write_control(port, parport_read_control(port) | 2);
/* AutoFeed high */
parport_wait_peripheral(port, 0x80, 0x80);
/* no timeout possible, Autofeed low, SelectIN high */
- parport_w_ctrl(port, (parport_r_ctrl(port) & ~2) | 8);
+ parport_write_control(port, (parport_read_control(port) & ~2) | 8);
return;
}
@@ -56,14 +57,14 @@ static long read_polled(struct parport *port, char *buf,
unsigned char Byte=0;
for (i=0; ; i++) {
- parport_w_ctrl(port, parport_r_ctrl(port) | 2); /* AutoFeed high */
+ parport_write_control(port, parport_read_control(port) | 2); /* AutoFeed high */
if (parport_wait_peripheral(port, 0x40, 0)) {
printk("%s: read1 timeout.\n", port->name);
- parport_w_ctrl(port, parport_r_ctrl(port) & ~2);
+ parport_write_control(port, parport_read_control(port) & ~2);
break;
}
z = read_nibble(port);
- parport_w_ctrl(port, parport_r_ctrl(port) & ~2); /* AutoFeed low */
+ parport_write_control(port, parport_read_control(port) & ~2); /* AutoFeed low */
if (parport_wait_peripheral(port, 0x40, 0x40)) {
printk("%s: read2 timeout.\n", port->name);
break;
@@ -75,7 +76,7 @@ static long read_polled(struct parport *port, char *buf,
if (count++ == length)
temp = NULL;
/* Does the error line indicate end of data? */
- if ((parport_r_status(port) & LP_PERRORP) == LP_PERRORP)
+ if ((parport_read_status(port) & LP_PERRORP) == LP_PERRORP)
break;
} else Byte=z;
}
@@ -87,7 +88,7 @@ static struct wait_queue *wait_q = NULL;
static int wakeup(void *ref)
{
- struct ppd **dev = (struct ppd **)ref;
+ struct pardevice **dev = (struct pardevice **)ref;
if (!wait_q || parport_claim(*dev))
return 1;
@@ -98,9 +99,7 @@ static int wakeup(void *ref)
int parport_probe(struct parport *port, char *buffer, int len)
{
- struct ppd *dev = parport_register_device(port, "IEEE 1284 probe",
- NULL, wakeup, NULL,
- PARPORT_DEV_TRAN, &dev);
+ struct pardevice *dev = parport_register_device(port, "IEEE 1284 probe", NULL, wakeup, NULL, PARPORT_DEV_TRAN, &dev);
int result = 0;
@@ -264,3 +263,17 @@ void parport_probe_one(struct parport *port)
}
kfree(buffer);
}
+
+#if MODULE
+int init_module(void)
+{
+ struct parport *p;
+ for (p = parport_enumerate(); p; p = p->next)
+ parport_probe_one(p);
+ return 0;
+}
+
+void cleanup_module(void)
+{
+}
+#endif
diff --git a/drivers/pnp/parport_procfs.c b/drivers/pnp/parport_procfs.c
index 7adfac2da..e69de29bb 100644
--- a/drivers/pnp/parport_procfs.c
+++ b/drivers/pnp/parport_procfs.c
@@ -1,339 +0,0 @@
-/* $Id: parport_procfs.c,v 1.2 1997/06/03 07:28:11 ralf Exp $
- * Parallel port /proc interface code.
- *
- * Authors: David Campbell <campbell@tirian.che.curtin.edu.au>
- * Tim Waugh <tmw20@cam.ac.uk>
- *
- * based on work by Grant Guenther <grant@torque.net>
- * and Philip Blundell <Philip.Blundell@pobox.com>
- */
-
-#include <linux/tasks.h>
-#include <asm/ptrace.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/malloc.h>
-#include <linux/interrupt.h>
-
-#include <linux/proc_fs.h>
-
-#include <linux/parport.h>
-#include "parport_ll_io.h"
-
-#undef PARPORT_INCLUDE_BENCH
-
-struct proc_dir_entry *base=NULL;
-
-void parport_null_intr_func(int irq, void *dev_id, struct pt_regs *regs);
-
-static int irq_write_proc(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- int newirq;
- struct parport *pp = (struct parport *)data;
-
- if (count > 4 ) /* more than 4 digits for a irq 0x?? 0?? ?? */
- return(-EOVERFLOW);
-
- if (buffer[0] < 32 || !strncmp(buffer, "none", 4)) {
- newirq = PARPORT_IRQ_NONE;
- } else {
- if (buffer[0] == '0') {
- if( buffer[1] == 'x' )
- newirq = simple_strtoul(&buffer[2],0,16);
- else
- newirq = simple_strtoul(&buffer[1],0,8);
- } else {
- newirq = simple_strtoul(buffer,0,10);
- }
- }
-
- if (pp->irq != PARPORT_IRQ_NONE && !(pp->flags & PARPORT_FLAG_COMA))
- free_irq(pp->irq, pp);
-
- pp->irq = newirq;
-
- if (pp->irq != PARPORT_IRQ_NONE && !(pp->flags & PARPORT_FLAG_COMA)) {
- struct ppd *pd = pp->cad;
-
- if (pd == NULL) {
- pd = pp->devices;
- if (pd != NULL)
- request_irq(pp->irq, pd->irq_func ?
- pd->irq_func :
- parport_null_intr_func,
- SA_INTERRUPT, pd->name, pd->port);
- } else {
- request_irq(pp->irq, pd->irq_func ? pd->irq_func :
- parport_null_intr_func,
- SA_INTERRUPT, pp->name, pd->port);
- }
- }
-
- return count;
-}
-
-static int irq_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct parport *pp = (struct parport *)data;
- int len;
-
- if (pp->irq == PARPORT_IRQ_NONE)
- len = sprintf(page, "none\n");
- else
- len = sprintf(page, "%d\n", pp->irq);
-
- *start = 0;
- *eof = 1;
- return len;
-}
-
-static int devices_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct parport *pp = (struct parport *)data;
- struct ppd *pd1;
- int len=0;
-
- for (pd1 = pp->devices; pd1 ; pd1 = pd1->next) {
- if (pd1 == pp->cad)
- len += sprintf(page+len, "+");
- else
- len += sprintf(page+len, " ");
-
- len += sprintf(page+len, "%s",pd1->name);
-
- if (pd1 == pp->lurker)
- len += sprintf(page+len, " LURK");
-
- len += sprintf(page+len,"\n");
- }
-
- *start = 0;
- *eof = 1;
- return len;
-}
-
-static int hardware_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct parport *pp = (struct parport *)data;
- int len=0;
-
- len += sprintf(page+len, "base:\t0x%x\n",pp->base);
- if (pp->irq == PARPORT_IRQ_NONE)
- len += sprintf(page+len, "irq:\tnone\n");
- else
- len += sprintf(page+len, "irq:\t%d\n",pp->irq);
- len += sprintf(page+len, "dma:\t%d\n",pp->dma);
-
- len += sprintf(page+len, "modes:\t");
- {
-#define printmode(x) {if(pp->modes&PARPORT_MODE_##x){len+=sprintf(page+len,"%s%s",f?",":"",#x);f++;}}
- int f = 0;
- printmode(SPP);
- printmode(PS2);
- printmode(EPP);
- printmode(ECP);
- printmode(ECPEPP);
- printmode(ECPPS2);
-#undef printmode
- }
- len += sprintf(page+len, "\n");
-
- len += sprintf(page+len, "mode:\t");
- if (pp->modes & PARPORT_MODE_ECR) {
- switch (r_ecr(pp) >> 5) {
- case 0:
- len += sprintf(page+len, "SPP");
- if( pp->modes & PARPORT_MODE_PS2 )
- len += sprintf(page+len, ",PS2");
- if( pp->modes & PARPORT_MODE_EPP )
- len += sprintf(page+len, ",EPP");
- break;
- case 1:
- len += sprintf(page+len, "ECPPS2");
- break;
- case 2:
- len += sprintf(page+len, "DATAFIFO");
- break;
- case 3:
- len += sprintf(page+len, "ECP");
- break;
- case 4:
- len += sprintf(page+len, "ECPEPP");
- break;
- case 5:
- len += sprintf(page+len, "Reserved?");
- break;
- case 6:
- len += sprintf(page+len, "TEST");
- break;
- case 7:
- len += sprintf(page+len, "Configuration");
- break;
- }
- } else {
- len += sprintf(page+len, "SPP");
- if (pp->modes & PARPORT_MODE_PS2)
- len += sprintf(page+len, ",PS2");
- if (pp->modes & PARPORT_MODE_EPP)
- len += sprintf(page+len, ",EPP");
- }
- len += sprintf(page+len, "\n");
-
-#if 0
- /* Now no detection, please fix with an external function */
- len += sprintf(page+len, "chipset:\tunknown\n");
-#endif
-#ifdef PARPORT_INCLUDE_BENCHMARK
- if (pp->speed)
- len += sprintf(page+len, "bench:\t%d Bytes/s\n",pp->speed);
- else
- len += sprintf(page+len, "bench:\tunknown\n");
-#endif
-
- *start = 0;
- *eof = 1;
- return len;
-}
-
-static struct proc_dir_entry *new_proc_entry(const char *name, mode_t mode,
- struct proc_dir_entry *parent,
- unsigned short ino)
-{
- struct proc_dir_entry *ent;
-
- ent = kmalloc(sizeof(struct proc_dir_entry), GFP_KERNEL);
- if (!ent)
- return NULL;
- memset(ent, 0, sizeof(struct proc_dir_entry));
-
- if (mode == S_IFDIR)
- mode |= S_IRUGO | S_IXUGO;
- else if (mode == 0)
- mode = S_IFREG | S_IRUGO;
-
-
- ent->low_ino = ino;
- ent->name = name;
- ent->namelen = strlen(name);
- ent->mode = mode;
- if (S_ISDIR(mode))
- ent->nlink = 2;
- else
- ent->nlink = 1;
-
- proc_register(parent, ent);
-
- return ent;
-}
-
-
-int parport_proc_init()
-{
- base = new_proc_entry("parport", S_IFDIR, &proc_root,PROC_PARPORT);
-
- if (base)
- return 1;
- else {
- printk(KERN_ERR "parport: Error creating proc entry /proc/parport\n");
- return 0;
- }
-}
-
-int parport_proc_cleanup()
-{
- if (base)
- proc_unregister(&proc_root,base->low_ino);
-
- base = NULL;
-
- return 0;
-}
-
-int parport_proc_register(struct parport *pp)
-{
- struct proc_dir_entry *ent;
- static int conta=0;
- char *name;
-
- memset(&pp->pdir,0,sizeof(struct parport_dir));
-
- if (!base) {
- printk(KERN_ERR "parport: Error entry /proc/parport, not generated?\n");
- return 1;
- }
-
- name = pp->pdir.name;
- sprintf(name,"%d",conta++);
-
- ent = new_proc_entry(name, S_IFDIR, base,0);
- if (!ent) {
- printk(KERN_ERR "parport: Error registering proc_entry /proc/%s\n",name);
- return 1;
- }
- pp->pdir.entry = ent;
-
- ent = new_proc_entry("irq", S_IFREG | S_IRUGO | S_IWUSR, pp->pdir.entry,0);
- if (!ent) {
- printk(KERN_ERR "parport: Error registering proc_entry /proc/%s/irq\n",name);
- return 1;
- }
- ent->read_proc = irq_read_proc;
- ent->write_proc= irq_write_proc;
- ent->data = pp;
- pp->pdir.irq = ent;
-
- ent = new_proc_entry("devices", 0, pp->pdir.entry,0);
- if (!ent) {
- printk(KERN_ERR "parport: Error registering proc_entry /proc/%s/devices\n",name);
- return 1;
- }
- ent->read_proc = devices_read_proc;
- ent->data = pp;
- pp->pdir.devices = ent;
-
- ent = new_proc_entry("hardware", 0, pp->pdir.entry,0);
- if (!ent) {
- printk(KERN_ERR "parport: Error registering proc_entry /proc/%s/hardware\n",name);
- return 1;
- }
- ent->read_proc = hardware_read_proc;
- ent->data = pp;
- pp->pdir.hardware = ent;
- return 0;
-}
-
-int parport_proc_unregister(struct parport *pp)
-{
- if (pp->pdir.entry) {
- if (pp->pdir.irq) {
- proc_unregister(pp->pdir.entry, pp->pdir.irq->low_ino);
- kfree(pp->pdir.irq);
- }
-
- if (pp->pdir.devices) {
- proc_unregister(pp->pdir.entry,
- pp->pdir.devices->low_ino);
- kfree(pp->pdir.devices);
- }
-
- if (pp->pdir.hardware) {
- proc_unregister(pp->pdir.entry,
- pp->pdir.hardware->low_ino);
- kfree(pp->pdir.hardware);
- }
-
- proc_unregister(base, pp->pdir.entry->low_ino);
- kfree(pp->pdir.entry);
- }
-
- return 0;
-}
diff --git a/drivers/pnp/parport_share.c b/drivers/pnp/parport_share.c
index 9b854f138..e69de29bb 100644
--- a/drivers/pnp/parport_share.c
+++ b/drivers/pnp/parport_share.c
@@ -1,470 +0,0 @@
-/* $Id: parport_share.c,v 1.3.2.5 1997/04/16 21:20:44 phil Exp $
- * Parallel-port resource manager code.
- *
- * Authors: David Campbell <campbell@tirian.che.curtin.edu.au>
- * Tim Waugh <tmw20@cam.ac.uk>
- * Jose Renau <renau@acm.org>
- *
- * based on work by Grant Guenther <grant@torque.net>
- * and Philip Blundell <Philip.Blundell@pobox.com>
- */
-
-#include <linux/tasks.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-
-#include <linux/parport.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/malloc.h>
-
-#undef PARPORT_PARANOID
-
-#include "parport_ll_io.h"
-
-static struct parport *portlist = NULL, *portlist_tail = NULL;
-static int portcount = 0;
-
-/* from parport_init.c */
-extern int initialize_parport(struct parport *, unsigned long base,
- int irq, int dma, int count);
-
-/* Return a list of all the ports we know about. */
-struct parport *parport_enumerate(void)
-{
- return portlist;
-}
-
-void parport_null_intr_func(int irq, void *dev_id, struct pt_regs *regs)
-{
- /* NULL function - Does nothing */
- return;
-}
-
-struct parport *parport_register_port(unsigned long base, int irq, int dma)
-{
- struct parport new, *tmp;
-
- /* Check for a previously registered port.
- * NOTE: we will ignore irq and dma if we find a previously
- * registered device.
- */
- for (tmp = portlist; tmp; tmp = tmp->next) {
- if (tmp->base == base)
- return tmp;
- }
-
- /* Has someone grabbed the address yet? */
- if (check_region(base, 3))
- return NULL;
-
- if (!initialize_parport(&new,base,irq,dma,portcount))
- return NULL;
-
- if (new.dma >= 0) {
- if (request_dma(new.dma, new.name)) {
- printk(KERN_INFO "%s: unable to claim DMA %d\n",
- new.name, new.dma);
- release_region(new.base, new.size);
- if( new.modes & PARPORT_MODE_ECR )
- release_region(new.base+0x400, 3);
- kfree(new.name);
- return NULL;
- }
- }
-
- tmp = kmalloc(sizeof(struct parport), GFP_KERNEL);
- if (!tmp) {
- printk(KERN_WARNING "parport: memory squeeze\n");
- release_region(new.base, new.size);
- if( new.modes & PARPORT_MODE_ECR )
- release_region(new.base+0x400, 3);
- kfree(new.name);
- return NULL;
- }
- memcpy(tmp, &new, sizeof(struct parport));
-
- if (new.irq != PARPORT_IRQ_NONE) {
- if (request_irq(new.irq, parport_null_intr_func,
- SA_INTERRUPT, new.name, tmp) != 0) {
- printk(KERN_INFO "%s: unable to claim IRQ %d\n",
- new.name, new.irq);
- kfree(tmp);
- release_region(new.base, new.size);
- if( new.modes & PARPORT_MODE_ECR )
- release_region(new.base+0x400, 3);
- kfree(new.name);
- return NULL;
- }
- }
-
- /* Here we chain the entry to our list. */
- if (portlist_tail)
- portlist_tail->next = tmp;
- portlist_tail = tmp;
- if (!portlist)
- portlist = tmp;
-
- printk(KERN_INFO "%s at 0x%x", tmp->name, tmp->base);
- if (tmp->irq >= 0)
- printk(", irq %d", tmp->irq);
- if (tmp->dma >= 0)
- printk(", dma %d", tmp->dma);
- printk(" [");
- {
- /* Ugh! */
-#define printmode(x) {if(tmp->modes&PARPORT_MODE_##x){printk("%s%s",f?",":"",#x);f++;}}
- int f = 0;
- printmode(SPP);
- printmode(PS2);
- printmode(EPP);
- printmode(ECP);
- printmode(ECPEPP);
- printmode(ECPPS2);
-#undef printmode
- }
- printk("]\n");
- portcount++;
-
- /* Restore device back to default conditions */
- if (tmp->modes & PARPORT_MODE_ECR)
- w_ecr(tmp, tmp->ecr);
- w_ctr(tmp, tmp->ctr);
-
- tmp->probe_info.class = PARPORT_CLASS_LEGACY; /* assume the worst */
- return tmp;
-}
-
-void parport_destroy(struct parport *port)
-{
- /* Dangerous to try destroying a port if its friends are nearby. */
- if (port->devices) {
- printk("%s: attempt to release active port\n", port->name);
- return; /* Devices still present */
- }
-
- /* No point in further destroying a port that already lies in ruins. */
- if (port->flags & PARPORT_FLAG_COMA)
- return;
-
- /* Now clean out the port entry */
- if (port->irq >= 0)
- free_irq(port->irq, port);
- if (port->dma >= 0)
- free_dma(port->dma);
- release_region(port->base, port->size);
- if( port->modes & PARPORT_MODE_ECR )
- release_region(port->base+0x400, 3);
- port->flags |= PARPORT_FLAG_COMA;
-}
-
-struct ppd *parport_register_device(struct parport *port, const char *name,
- callback_func pf, callback_func kf,
- irq_handler_func irq_func, int flags,
- void *handle)
-{
- struct ppd *tmp;
-
- /* We only allow one lurker device (eg PLIP) */
- if (flags & PARPORT_DEV_LURK) {
- if (port->lurker) {
- printk(KERN_INFO "%s: refused to register second lurker (%s)\n",
- port->name, name);
- return NULL;
- }
- if (!pf || !kf) {
- printk(KERN_INFO "%s: refused to register lurking device (%s) without callbacks\n"
- ,port->name, name);
- return NULL;
- }
- }
-
- /* We may need to claw back the port hardware. */
- if (port->flags & PARPORT_FLAG_COMA) {
- if (check_region(port->base, 3)) {
- return NULL;
- }
- request_region(port->base, port->size, port->name);
- if( port->modes & PARPORT_MODE_ECR )
- request_region(port->base+0x400, 3,port->name);
-
- if (port->dma >= 0) {
- if (request_dma(port->dma, port->name)) {
- release_region(port->base, port->size);
- if( port->modes & PARPORT_MODE_ECR )
- release_region(port->base+0x400, 3);
- return NULL;
- }
- }
- if (port->irq != PARPORT_IRQ_NONE) {
- if (request_irq(port->irq, parport_null_intr_func,
- SA_INTERRUPT, port->name,
- port) != 0) {
- release_region(port->base, port->size);
- if( port->modes & PARPORT_MODE_ECR )
- release_region(port->base+0x400, 3);
- if (port->dma >= 0)
- free_dma(port->dma);
- return NULL;
- }
- }
- port->flags &= ~PARPORT_FLAG_COMA;
- }
-
- tmp = kmalloc(sizeof(struct ppd), GFP_KERNEL);
- tmp->name = (char *) name;
- tmp->port = port;
- tmp->preempt = pf;
- tmp->wakeup = kf;
- tmp->private = handle;
- tmp->flags = flags;
- tmp->irq_func = irq_func;
- tmp->ctr = port->ctr;
- tmp->ecr = port->ecr;
-
- /* Chain this onto the list */
- tmp->prev = NULL;
- tmp->next = port->devices;
- if (port->devices)
- port->devices->prev = tmp;
- port->devices = tmp;
-
- if (flags & PARPORT_DEV_LURK)
- port->lurker = tmp;
-
- inc_parport_count();
-
- return tmp;
-}
-
-void parport_unregister_device(struct ppd *dev)
-{
- struct parport *port;
-
- if (!dev) {
- printk(KERN_ERR "parport_unregister_device: passed NULL\n");
- return;
- }
-
- port = dev->port;
-
- if (port->cad == dev) {
- printk(KERN_INFO "%s: refused to unregister currently active device %s\n", port->name, dev->name);
- return;
- }
-
- if (port->lurker == dev)
- port->lurker = NULL;
-
- if (dev->next)
- dev->next->prev = dev->prev;
- if (dev->prev)
- dev->prev->next = dev->next;
- else
- port->devices = dev->next;
-
- kfree(dev);
-
- dec_parport_count();
-
- /* If there are no more devices, put the port to sleep. */
- if (!port->devices)
- parport_destroy(port);
-
- return;
-}
-
-int parport_claim(struct ppd *dev)
-{
- struct ppd *pd1;
-
- if (dev->port->cad == dev) {
- printk(KERN_INFO "%s: %s already owner\n",
- dev->port->name,dev->name);
- return 0;
- }
-
- /* Preempt any current device */
- pd1 = dev->port->cad;
- if (dev->port->cad) {
- if (dev->port->cad->preempt) {
- /* Now try to preempt */
- if (dev->port->cad->preempt(dev->port->cad->private))
- return -EAGAIN;
-
- /* Save control registers */
- if (dev->port->modes & PARPORT_MODE_ECR)
- dev->port->cad->ecr = dev->port->ecr =
- r_ecr(dev->port);
- if (dev->port->modes & PARPORT_MODE_SPP)
- dev->port->cad->ctr = dev->port->ctr =
- r_ctr(dev->port);
- } else
- return -EAGAIN;
- }
-
- /* Watch out for bad things */
- if (dev->port->cad != pd1) {
- printk(KERN_WARNING "%s: death while preempting %s\n",
- dev->port->name, dev->name);
- if (dev->port->cad)
- return -EAGAIN;
- }
-
- /* Now we do the change of devices */
- dev->port->cad = dev;
-
- if (dev->port->irq >= 0) {
- free_irq(dev->port->irq, dev->port);
- request_irq(dev->port->irq, dev->irq_func ? dev->irq_func :
- parport_null_intr_func, SA_INTERRUPT, dev->name,
- dev->port);
- }
-
- /* Restore control registers */
- if (dev->port->modes & PARPORT_MODE_ECR)
- if (dev->ecr != dev->port->ecr) w_ecr(dev->port, dev->ecr);
- if (dev->port->modes & PARPORT_MODE_SPP)
- if (dev->ctr != dev->port->ctr) w_ctr(dev->port, dev->ctr);
-
- return 0;
-}
-
-void parport_release(struct ppd *dev)
-{
- struct ppd *pd1;
-
- /* Make sure that dev is the current device */
- if (dev->port->cad != dev) {
- printk(KERN_WARNING "%s: %s tried to release parport when not owner\n", dev->port->name, dev->name);
- return;
- }
- dev->port->cad = NULL;
-
- /* Save control registers */
- if (dev->port->modes & PARPORT_MODE_ECR)
- dev->ecr = dev->port->ecr = r_ecr(dev->port);
- if (dev->port->modes & PARPORT_MODE_SPP)
- dev->ctr = dev->port->ctr = r_ctr(dev->port);
-
- if (dev->port->irq >= 0) {
- free_irq(dev->port->irq, dev->port);
- request_irq(dev->port->irq, parport_null_intr_func,
- SA_INTERRUPT, dev->port->name, dev->port);
- }
-
- /* Walk the list, offering a wakeup callback to everybody other
- * than the lurker and the device that called us.
- */
- for (pd1 = dev->next; pd1; pd1 = pd1->next) {
- if (!(pd1->flags & PARPORT_DEV_LURK)) {
- if (pd1->wakeup) {
- pd1->wakeup(pd1->private);
- if (dev->port->cad)
- return;
- }
- }
- }
-
- for (pd1 = dev->port->devices; pd1 && pd1 != dev; pd1 = pd1->next) {
- if (!(pd1->flags & PARPORT_DEV_LURK)) {
- if (pd1->wakeup) {
- pd1->wakeup(pd1->private);
- if (dev->port->cad)
- return;
- }
- }
- }
-
- /* Now give the lurker a chance.
- * There should be a wakeup callback because we checked for it
- * at registration.
- */
- if (dev->port->lurker && (dev->port->lurker != dev)) {
- if (dev->port->lurker->wakeup) {
- dev->port->lurker->wakeup(dev->port->lurker->private);
- }
-#ifdef PARPORT_PARANOID
- else { /* can't happen */
- printk(KERN_DEBUG
- "%s (%s): lurker's wakeup callback went away!\n",
- dev->port->name, dev->name);
- }
-#endif
- }
-}
-
-/* The following read funktions are an implementation of a status readback
- * and device id request confirming to IEEE1284-1994.
- *
- * These probably ought to go in some seperate file, so people like the SPARC
- * don't have to pull them in.
- */
-
-/* Wait for Status line(s) to change in 35 ms - see IEEE1284-1994 page 24 to
- * 25 for this. After this time we can create a timeout because the
- * peripheral doesn't conform to IEEE1284. We want to save CPU time: we are
- * waiting a maximum time of 500 us busy (this is for speed). If there is
- * not the right answer in this time, we call schedule and other processes
- * are able "to eat" the time up to 30ms. So the maximum load avarage can't
- * get above 5% for a read even if the peripheral is really slow. (but your
- * read gets very slow then - only about 10 characters per second. This
- * should be tuneable). Thanks to Andreas who pointed me to this and ordered
- * the documentation.
- */
-
-int parport_wait_peripheral(struct parport *port, unsigned char mask,
- unsigned char result)
-{
- int counter=0;
- unsigned char status;
-
- do {
- status = parport_r_status(port);
- udelay(25);
- counter++;
- if (need_resched)
- schedule();
- } while ( ((status & mask) != result) && (counter < 20) );
- if ( (counter == 20) && ((status & mask) != result) ) {
- current->state=TASK_INTERRUPTIBLE;
- current->timeout=jiffies+4;
- schedule(); /* wait for 4 scheduler runs (40ms) */
- status = parport_r_status(port);
- if ((status & mask) != result) return 1; /* timeout */
- }
- return 0; /* okay right response from device */
-}
-
-/* Test if nibble mode for status readback is okay. Returns the value false
- * if the printer doesn't support readback at all. If it supports readbacks
- * and printer data is available the function returns 1, otherwise 2. The
- * only valid values for "mode" are 0 and 4. 0 requests normal nibble mode,
- * 4 is for "request device id using nibble mode". The request for the
- * device id is best done in an ioctl (or at bootup time). There is no
- * check for an invalid value, the only function using this call at the
- * moment is lp_read and the ioctl LPGETDEVICEID both fixed calls from
- * trusted kernel.
- */
-int parport_ieee1284_nibble_mode_ok(struct parport *port, unsigned char mode)
-{
- parport_w_data(port, mode);
- udelay(5);
- parport_w_ctrl(port, parport_r_ctrl(port) & ~8); /* SelectIN low */
- parport_w_ctrl(port, parport_r_ctrl(port) | 2); /* AutoFeed high */
- if (parport_wait_peripheral(port, 0x78, 0x38)) { /* timeout? */
- parport_w_ctrl(port, (parport_r_ctrl(port) & ~2) | 8);
- return 0; /* first stage of negotiation failed,
- * no IEEE1284 compliant device on this port
- */
- }
- parport_w_ctrl(port, parport_r_ctrl(port) | 1); /* Strobe high */
- udelay(5); /* Strobe wait */
- parport_w_ctrl(port, parport_r_ctrl(port) & ~1); /* Strobe low */
- udelay(5);
- parport_w_ctrl(port, parport_r_ctrl(port) & ~2); /* AutoFeed low */
- return (parport_wait_peripheral(port, 0x20, 0))?2:1;
-}
diff --git a/drivers/scsi/.cvsignore b/drivers/scsi/.cvsignore
index 4671378ae..38d1d3090 100644
--- a/drivers/scsi/.cvsignore
+++ b/drivers/scsi/.cvsignore
@@ -1 +1,3 @@
.depend
+aic7xxx_asm
+aic7xxx_seq.h
diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c
index 83affefb6..ed5b1ec97 100644
--- a/drivers/scsi/sgiwd93.c
+++ b/drivers/scsi/sgiwd93.c
@@ -1,4 +1,4 @@
-/* $Id: sgiwd93.c,v 1.7 1996/07/23 09:00:16 dm Exp $
+/* $Id: sgiwd93.c,v 1.1.1.1 1997/06/01 03:17:36 ralf Exp $
* sgiwd93.c: SGI WD93 scsi driver.
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
@@ -244,3 +244,15 @@ int sgiwd93_detect(Scsi_Host_Template *HPsUX)
return 1; /* Found one. */
}
+
+#ifdef MODULE
+
+#define HOSTS_C
+
+#include "sgiwd93.h"
+
+Scsi_Host_Template driver_template = SGIWD93_SCSI;
+
+#include "scsi_module.c"
+
+#endif
diff --git a/drivers/sound/.cvsignore b/drivers/sound/.cvsignore
index 4671378ae..7c1f51961 100644
--- a/drivers/sound/.cvsignore
+++ b/drivers/sound/.cvsignore
@@ -1 +1,4 @@
.depend
+.defines
+local.h
+configure
diff --git a/drivers/sound/Config.in b/drivers/sound/Config.in
index d14653d45..310bf01bf 100644
--- a/drivers/sound/Config.in
+++ b/drivers/sound/Config.in
@@ -1,277 +1,15 @@
-bool 'ProAudioSpectrum 16 support' CONFIG_PAS
-bool '100%% Sound Blaster compatibles (SB16/32/64, ESS, Jazz16) support' CONFIG_SB
-bool 'Generic OPL2/OPL3 FM synthesizer support' CONFIG_ADLIB
-bool 'Gravis Ultrasound support' CONFIG_GUS
-bool 'MPU-401 support (NOT for SB16)' CONFIG_MPU401
-bool 'PSS (ECHO-ADI2111) support' CONFIG_PSS
-bool '16 bit sampling option of GUS (_NOT_ GUS MAX)' CONFIG_GUS16
-bool 'GUS MAX support' CONFIG_GUSMAX
-bool 'Microsoft Sound System support' CONFIG_MSS
-bool 'Ensoniq SoundScape support' CONFIG_SSCAPE
-bool 'MediaTrix AudioTrix Pro support' CONFIG_TRIX
-bool 'Support for MAD16 and/or Mozart based cards' CONFIG_MAD16
-bool 'Support for Crystal CS4232 based (PnP) cards' CONFIG_CS4232
-bool 'Support for Turtle Beach Wave Front (Maui, Tropez) synthesizers' CONFIG_MAUI
-bool 'FM synthesizer (YM3812/OPL-3) support' CONFIG_YM3812
-
-if [ "$CONFIG_AEDSP16" = "y" ]; then
-hex 'I/O base for Audio Excel DSP 16 220 or 240' AEDSP16_BASE 220
-fi
-
-if [ "$CONFIG_SB" = "y" ]; then
-hex 'I/O base for SB Check from manual of the card' SBC_BASE 220
-fi
-
-if [ "$CONFIG_SB" = "y" ]; then
-int 'Sound Blaster IRQ Check from manual of the card' SBC_IRQ 7
-fi
-
-if [ "$CONFIG_SB" = "y" ]; then
-int 'Sound Blaster DMA 0, 1 or 3' SBC_DMA 1
-fi
-
-if [ "$CONFIG_SB" = "y" ]; then
-int 'Sound Blaster 16 bit DMA (SB16, Jazz16, SMW) 5, 6 or 7 (use 1 for 8 bit cards)' SB_DMA2 5
-fi
-
-if [ "$CONFIG_SB" = "y" ]; then
-hex 'MPU401 I/O base of SB16, Jazz16 and ES1688 Check from manual of the card' SB_MPU_BASE 330
-fi
-
-
-if [ "$CONFIG_SB" = "y" ]; then
-comment 'MPU401 IRQ is only required with Jazz16, SM Wave and ESS1688.'
-fi
-
-
-if [ "$CONFIG_SB" = "y" ]; then
-comment 'Enter -1 to the following question if you have something else such as SB16/32.'
-fi
-
-if [ "$CONFIG_SB" = "y" ]; then
-int 'SB MPU401 IRQ (Jazz16, SM Wave and ES1688) Check from manual of the card' SB_MPU_IRQ -1
-fi
-
-if [ "$CONFIG_PAS" = "y" ]; then
-int 'PAS16 IRQ 3, 4, 5, 7, 9, 10, 11, 12, 14 or 15' PAS_IRQ 10
-fi
-
-if [ "$CONFIG_PAS" = "y" ]; then
-int 'PAS16 DMA 0, 1, 3, 5, 6 or 7' PAS_DMA 3
-fi
-
-if [ "$CONFIG_GUS" = "y" ]; then
-hex 'I/O base for GUS 210, 220, 230, 240, 250 or 260' GUS_BASE 220
-fi
-
-if [ "$CONFIG_GUS" = "y" ]; then
-int 'GUS IRQ 3, 5, 7, 9, 11, 12 or 15' GUS_IRQ 15
-fi
-
-if [ "$CONFIG_GUS" = "y" ]; then
-int 'GUS DMA 1, 3, 5, 6 or 7' GUS_DMA 6
-fi
-
-if [ "$CONFIG_GUS" = "y" ]; then
-int 'Second DMA channel for GUS 1, 3, 5, 6 or 7' GUS_DMA2 -1
-fi
-
-if [ "$CONFIG_GUS16" = "y" ]; then
-hex 'I/O base for the 16 bit daughtercard of GUS 530, 604, E80 or F40' GUS16_BASE 530
-fi
-
-if [ "$CONFIG_GUS16" = "y" ]; then
-int 'GUS 16 bit daughtercard IRQ 3, 4, 5, 7, or 9' GUS16_IRQ 7
-fi
-
-if [ "$CONFIG_GUS16" = "y" ]; then
-int 'GUS DMA 0, 1 or 3' GUS16_DMA 3
-fi
-
-if [ "$CONFIG_MPU401" = "y" ]; then
-hex 'I/O base for MPU401 Check from manual of the card' MPU_BASE 330
-fi
-
-if [ "$CONFIG_MPU401" = "y" ]; then
-int 'MPU401 IRQ Check from manual of the card' MPU_IRQ 9
-fi
-
-
-if [ "$CONFIG_MAUI" = "y" ]; then
-comment 'ERROR! You have to use old sound configuration method with Maui.'
-fi
-
-if [ "$CONFIG_MAUI" = "y" ]; then
-hex 'I/O base for Maui 210, 230, 260, 290, 300, 320, 338 or 330' MAUI_BASE 330
-fi
-
-if [ "$CONFIG_MAUI" = "y" ]; then
-int 'Maui IRQ 5, 9, 12 or 15' MAUI_IRQ 9
-fi
-
-if [ "$CONFIG_UART6850" = "y" ]; then
-hex 'I/O base for UART 6850 MIDI port (Unknown)' U6850_BASE 0
-fi
-
-if [ "$CONFIG_UART6850" = "y" ]; then
-int 'UART6850 IRQ (Unknown)' U6850_IRQ -1
-fi
-
-
-if [ "$CONFIG_PSS" = "y" ]; then
-comment 'ERROR! You have to use old sound configuration method with PSS cards.'
-fi
-
-if [ "$CONFIG_PSS" = "y" ]; then
-hex 'PSS I/O base 220 or 240' PSS_BASE 220
-fi
-
-if [ "$CONFIG_PSS" = "y" ]; then
-hex 'PSS audio I/O base 530, 604, E80 or F40' PSS_MSS_BASE 530
-fi
-
-if [ "$CONFIG_PSS" = "y" ]; then
-int 'PSS audio IRQ 7, 9, 10 or 11' PSS_MSS_IRQ 11
-fi
-
-if [ "$CONFIG_PSS" = "y" ]; then
-int 'PSS audio DMA 0, 1 or 3' PSS_MSS_DMA 3
-fi
-
-if [ "$CONFIG_PSS" = "y" ]; then
-hex 'PSS MIDI I/O base ' PSS_MPU_BASE 330
-fi
-
-if [ "$CONFIG_PSS" = "y" ]; then
-int 'PSS MIDI IRQ 3, 4, 5, 7 or 9' PSS_MPU_IRQ 9
-fi
-
-if [ "$CONFIG_MSS" = "y" ]; then
-hex 'MSS/WSS I/O base 530, 604, E80 or F40' MSS_BASE 530
-fi
-
-if [ "$CONFIG_MSS" = "y" ]; then
-int 'MSS/WSS IRQ 7, 9, 10 or 11' MSS_IRQ 11
-fi
-
-if [ "$CONFIG_MSS" = "y" ]; then
-int 'MSS/WSS DMA 0, 1 or 3' MSS_DMA 3
-fi
-
-if [ "$CONFIG_MSS" = "y" ]; then
-int 'MSS/WSS second DMA (if possible) 0, 1 or 3' MSS_DMA2 -1
-fi
-
-if [ "$CONFIG_SSCAPE" = "y" ]; then
-hex 'SoundScape MIDI I/O base 320, 330, 340 or 350' SSCAPE_BASE 330
-fi
-
-if [ "$CONFIG_SSCAPE" = "y" ]; then
-int 'SoundScape MIDI IRQ ' SSCAPE_IRQ 9
-fi
-
-if [ "$CONFIG_SSCAPE" = "y" ]; then
-int 'SoundScape initialization DMA 0, 1 or 3' SSCAPE_DMA 3
-fi
-
-if [ "$CONFIG_SSCAPE" = "y" ]; then
-hex 'SoundScape audio I/O base 534, 608, E84 or F44' SSCAPE_MSS_BASE 534
-fi
-
-if [ "$CONFIG_SSCAPE" = "y" ]; then
-int 'SoundScape audio IRQ 7, 9, 10 or 11' SSCAPE_MSS_IRQ 11
-fi
-
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-comment 'ERROR! You have to use old sound configuration method with AudioTrix.'
-fi
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-hex 'AudioTrix audio I/O base 530, 604, E80 or F40' TRIX_BASE 530
-fi
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-int 'AudioTrix audio IRQ 7, 9, 10 or 11' TRIX_IRQ 11
-fi
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-int 'AudioTrix audio DMA 0, 1 or 3' TRIX_DMA 0
-fi
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-int 'AudioTrix second (duplex) DMA 0, 1 or 3' TRIX_DMA2 3
-fi
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-hex 'AudioTrix MIDI I/O base 330, 370, 3B0 or 3F0' TRIX_MPU_BASE 330
-fi
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-int 'AudioTrix MIDI IRQ 3, 4, 5, 7 or 9' TRIX_MPU_IRQ 9
-fi
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-hex 'AudioTrix SB I/O base 220, 210, 230, 240, 250, 260 or 270' TRIX_SB_BASE 220
-fi
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-int 'AudioTrix SB IRQ 3, 4, 5 or 7' TRIX_SB_IRQ 7
-fi
-
-if [ "$CONFIG_TRIX" = "y" ]; then
-int 'AudioTrix SB DMA 1 or 3' TRIX_SB_DMA 1
-fi
-
-if [ "$CONFIG_CS4232" = "y" ]; then
-hex 'CS4232 audio I/O base 530, 604, E80 or F40' CS4232_BASE 530
-fi
-
-if [ "$CONFIG_CS4232" = "y" ]; then
-int 'CS4232 audio IRQ 5, 7, 9, 11, 12 or 15' CS4232_IRQ 11
-fi
-
-if [ "$CONFIG_CS4232" = "y" ]; then
-int 'CS4232 audio DMA 0, 1 or 3' CS4232_DMA 0
-fi
-
-if [ "$CONFIG_CS4232" = "y" ]; then
-int 'CS4232 second (duplex) DMA 0, 1 or 3' CS4232_DMA2 3
-fi
-
-if [ "$CONFIG_CS4232" = "y" ]; then
-hex 'CS4232 MIDI I/O base 330, 370, 3B0 or 3F0' CS4232_MPU_BASE 330
-fi
-
-if [ "$CONFIG_CS4232" = "y" ]; then
-int 'CS4232 MIDI IRQ 5, 7, 9, 11, 12 or 15' CS4232_MPU_IRQ 9
-fi
-
-if [ "$CONFIG_MAD16" = "y" ]; then
-hex 'MAD16 audio I/O base 530, 604, E80 or F40' MAD16_BASE 530
-fi
-
-if [ "$CONFIG_MAD16" = "y" ]; then
-int 'MAD16 audio IRQ 7, 9, 10 or 11' MAD16_IRQ 11
-fi
-
-if [ "$CONFIG_MAD16" = "y" ]; then
-int 'MAD16 audio DMA 0, 1 or 3' MAD16_DMA 3
-fi
-
-if [ "$CONFIG_MAD16" = "y" ]; then
-int 'MAD16 second (duplex) DMA 0, 1 or 3' MAD16_DMA2 0
-fi
-
-if [ "$CONFIG_MAD16" = "y" ]; then
-hex 'MAD16 MIDI I/O base 300, 310, 320 or 330 (0 disables)' MAD16_MPU_BASE 330
-fi
-
-if [ "$CONFIG_MAD16" = "y" ]; then
-int 'MAD16 MIDI IRQ 5, 7, 9 or 10' MAD16_MPU_IRQ 9
-fi
#
-$MAKE -C drivers/sound kernelconfig || exit 1
+# Sound driver configuration
+#
+#--------
+# There is another confic script which is compatible with rest of
+# the kernel. It can be activated by running 'make mkscript' in this
+# directory. Please note that this is an _experimental_ feature which
+# doesn't work with all cards (PSS, SM Wave, AudioTriX Pro, Maui).
+#--------
+#
+$MAKE -C drivers/sound config || exit 1
+
bool 'Additional low level drivers' CONFIG_LOWLEVEL_SOUND
if [ "$CONFIG_LOWLEVEL_SOUND" = "y" ]; then