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-rw-r--r--drivers/parport/parport_pc.c8
-rw-r--r--drivers/parport/parport_sunbpp.c107
-rw-r--r--drivers/parport/share.c39
3 files changed, 82 insertions, 72 deletions
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 72d8dc152..376d01d30 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -1687,12 +1687,6 @@ struct parport *__maybe_init parport_pc_probe_port (unsigned long int base,
parport_pc_write_data(p, 0);
parport_pc_data_forward (p);
- parport_pc_write_control(p, PARPORT_CONTROL_SELECT);
- udelay (50);
- parport_pc_write_control(p,
- PARPORT_CONTROL_SELECT
- | PARPORT_CONTROL_INIT);
- udelay (50);
/* Now that we've told the sharing engine about the port, and
found out its characteristics, let the high-level drivers
@@ -1834,7 +1828,7 @@ static int __init parport_pc_init_pci (int irq, int dma)
}
/* Look for parallel controllers that we don't know about. */
- for (pcidev = pci_devices; pcidev; pcidev = pcidev->next) {
+ pci_for_each_dev(pcidev) {
const int class_noprogif = pcidev->class & ~0xff;
if (class_noprogif != (PCI_CLASS_COMMUNICATION_PARALLEL << 8))
continue;
diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c
index 0436d0cb7..c1cdd3d9a 100644
--- a/drivers/parport/parport_sunbpp.c
+++ b/drivers/parport/parport_sunbpp.c
@@ -1,4 +1,4 @@
-/* $Id: parport_sunbpp.c,v 1.7 1999/09/02 11:59:31 davem Exp $
+/* $Id: parport_sunbpp.c,v 1.9 1999/10/14 05:59:43 ecd Exp $
* Parallel-port routines for Sun architecture
*
* Author: Derrick J. Brashear <shadow@dementia.org>
@@ -32,7 +32,7 @@
#include <asm/io.h>
#include <asm/oplib.h> /* OpenProm Library */
-#include <asm/sbus.h> /* struct linux_sbus *SBus_chain */
+#include <asm/sbus.h>
#include <asm/dma.h> /* BPP uses LSI 64854 for DMA */
#include <asm/irq.h>
#include <asm/sunbpp.h>
@@ -52,22 +52,28 @@ static void parport_sunbpp_interrupt(int irq, void *dev_id, struct pt_regs *regs
static void parport_sunbpp_disable_irq(struct parport *p)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
+ u32 tmp;
- regs->p_csr &= ~(DMA_INT_ENAB);
+ tmp = sbus_readl(&regs->p_csr);
+ tmp &= ~DMA_INT_ENAB;
+ sbus_writel(tmp, &regs->p_csr);
}
static void parport_sunbpp_enable_irq(struct parport *p)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
+ u32 tmp;
- regs->p_csr |= DMA_INT_ENAB;
+ tmp = sbus_readl(&regs->p_csr);
+ tmp |= DMA_INT_ENAB;
+ sbus_writel(tmp, &regs->p_csr);
}
static void parport_sunbpp_write_data(struct parport *p, unsigned char d)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
- regs->p_dr = d;
+ sbus_writeb(d, &regs->p_dr);
dprintk(("wrote 0x%x\n", d));
}
@@ -75,14 +81,15 @@ static unsigned char parport_sunbpp_read_data(struct parport *p)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
- return regs->p_dr;
+ return sbus_readb(&regs->p_dr);
}
+#if 0
static void control_pc_to_sunbpp(struct parport *p, unsigned char status)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
- unsigned char value_tcr = regs->p_tcr;
- unsigned char value_or = regs->p_or;
+ unsigned char value_tcr = sbus_readb(&regs->p_tcr);
+ unsigned char value_or = sbus_readb(&regs->p_or);
if (status & PARPORT_CONTROL_STROBE)
value_tcr |= P_TCR_DS;
@@ -93,16 +100,17 @@ static void control_pc_to_sunbpp(struct parport *p, unsigned char status)
if (status & PARPORT_CONTROL_SELECT)
value_or |= P_OR_SLCT_IN;
- regs->p_or = value_or;
- regs->p_tcr = value_tcr;
+ sbus_writeb(value_or, &regs->p_or);
+ sbus_writeb(value_tcr, &regs->p_tcr);
}
+#endif
static unsigned char status_sunbpp_to_pc(struct parport *p)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
unsigned char bits = 0;
- unsigned char value_tcr = regs->p_tcr;
- unsigned char value_ir = regs->p_ir;
+ unsigned char value_tcr = sbus_readb(&regs->p_tcr);
+ unsigned char value_ir = sbus_readb(&regs->p_ir);
if (!(value_ir & P_IR_ERR))
bits |= PARPORT_STATUS_ERROR;
@@ -124,8 +132,8 @@ static unsigned char control_sunbpp_to_pc(struct parport *p)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
unsigned char bits = 0;
- unsigned char value_tcr = regs->p_tcr;
- unsigned char value_or = regs->p_or;
+ unsigned char value_tcr = sbus_readb(&regs->p_tcr);
+ unsigned char value_or = sbus_readb(&regs->p_or);
if (!(value_tcr & P_TCR_DS))
bits |= PARPORT_CONTROL_STROBE;
@@ -151,8 +159,8 @@ static unsigned char parport_sunbpp_frob_control(struct parport *p,
unsigned char val)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
- unsigned char value_tcr = regs->p_tcr;
- unsigned char value_or = regs->p_or;
+ unsigned char value_tcr = sbus_readb(&regs->p_tcr);
+ unsigned char value_or = sbus_readb(&regs->p_or);
dprintk(("frob1: tcr 0x%x or 0x%x\n", regs->p_tcr, regs->p_or));
if (mask & PARPORT_CONTROL_STROBE) {
@@ -184,8 +192,8 @@ static unsigned char parport_sunbpp_frob_control(struct parport *p,
}
}
- regs->p_or = value_or;
- regs->p_tcr = value_tcr;
+ sbus_writeb(value_or, &regs->p_or);
+ sbus_writeb(value_tcr, &regs->p_tcr);
dprintk(("frob2: tcr 0x%x or 0x%x\n", regs->p_tcr, regs->p_or));
return parport_sunbpp_read_control(p);
}
@@ -208,20 +216,21 @@ static unsigned char parport_sunbpp_read_status(struct parport *p)
static void parport_sunbpp_data_forward (struct parport *p)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
- unsigned char value_tcr = regs->p_tcr;
+ unsigned char value_tcr = sbus_readb(&regs->p_tcr);
dprintk(("forward\n"));
- value_tcr = regs->p_tcr;
value_tcr &= ~P_TCR_DIR;
- regs->p_tcr = value_tcr;
+ sbus_writeb(value_tcr, &regs->p_tcr);
}
static void parport_sunbpp_data_reverse (struct parport *p)
{
struct bpp_regs *regs = (struct bpp_regs *)p->base;
+ u8 val = sbus_readb(&regs->p_tcr);
dprintk(("reverse\n"));
- regs->p_tcr |= P_TCR_DIR;
+ val |= P_TCR_DIR;
+ sbus_writeb(val, &regs->p_tcr);
}
static void parport_sunbpp_init_state(struct pardevice *dev, struct parport_state *s)
@@ -292,38 +301,37 @@ static struct parport_operations parport_sunbpp_ops =
parport_ieee1284_read_byte,
};
-static int __init init_one_port(struct linux_sbus_device *sdev)
+static int __init init_one_port(struct sbus_dev *sdev)
{
struct parport *p;
/* at least in theory there may be a "we don't dma" case */
struct parport_operations *ops;
- char *base;
+ unsigned long base;
int irq, dma, err, size;
struct bpp_regs *regs;
unsigned char value_tcr;
dprintk(("init_one_port(%p): ranges, alloc_io, ", sdev));
irq = sdev->irqs[0];
- prom_apply_sbus_ranges(sdev->my_bus, sdev->reg_addrs, 1, sdev);
- base = sparc_alloc_io(sdev->reg_addrs[0].phys_addr, 0,
- sdev->reg_addrs[0].reg_size,
- "sunbpp", sdev->reg_addrs[0].which_io, 0);
+ base = sbus_ioremap(&sdev->resource[0], 0,
+ sdev->reg_addrs[0].reg_size,
+ "sunbpp");
size = sdev->reg_addrs[0].reg_size;
dma = PARPORT_DMA_NONE;
dprintk(("alloc(ppops), "));
ops = kmalloc (sizeof (struct parport_operations), GFP_KERNEL);
if (!ops) {
- sparc_free_io(base, size);
+ sbus_iounmap(base, size);
return 0;
}
memcpy (ops, &parport_sunbpp_ops, sizeof (struct parport_operations));
dprintk(("register_port, "));
- if (!(p = parport_register_port((unsigned long)base, irq, dma, ops))) {
+ if (!(p = parport_register_port(base, irq, dma, ops))) {
kfree(ops);
- sparc_free_io(base, size);
+ sbus_iounmap(base, size);
return 0;
}
@@ -334,7 +342,7 @@ static int __init init_one_port(struct linux_sbus_device *sdev)
dprintk(("ERROR %d\n", err));
parport_unregister_port(p);
kfree(ops);
- sparc_free_io(base, size);
+ sbus_iounmap(base, size);
return err;
} else {
dprintk(("OK\n"));
@@ -343,9 +351,9 @@ static int __init init_one_port(struct linux_sbus_device *sdev)
regs = (struct bpp_regs *)p->base;
dprintk(("forward\n"));
- value_tcr = regs->p_tcr;
+ value_tcr = sbus_readb(&regs->p_tcr);
value_tcr &= ~P_TCR_DIR;
- regs->p_tcr = value_tcr;
+ sbus_writeb(value_tcr, &regs->p_tcr);
printk(KERN_INFO "%s: sunbpp at 0x%lx\n", p->name, p->base);
parport_proc_register(p);
@@ -362,8 +370,8 @@ int init_module(void)
int __init parport_sunbpp_init(void)
#endif
{
- struct linux_sbus *sbus;
- struct linux_sbus_device *sdev;
+ struct sbus_bus *sbus;
+ struct sbus_dev *sdev;
int count = 0;
for_each_sbus(sbus) {
@@ -383,21 +391,24 @@ MODULE_SUPPORTED_DEVICE("Sparc Bidirectional Parallel Port");
void
cleanup_module(void)
{
- struct parport *p = parport_enumerate(), *tmp;
+ struct parport *p = parport_enumerate();
+
while (p) {
- tmp = p->next;
+ struct parport *next = p->next;
+
if (1/*p->modes & PARPORT_MODE_PCSPP*/) {
- struct parport_operations *ops = p->ops;
- if (p->irq != PARPORT_IRQ_NONE) {
- parport_sunbpp_disable_irq(p);
- free_irq(p->irq, p);
- }
- sparc_free_io((char *)p->base, p->size);
- parport_proc_unregister(p);
- parport_unregister_port(p);
- kfree (ops);
+ struct parport_operations *ops = p->ops;
+
+ if (p->irq != PARPORT_IRQ_NONE) {
+ parport_sunbpp_disable_irq(p);
+ free_irq(p->irq, p);
+ }
+ sbus_iounmap(p->base, p->size);
+ parport_proc_unregister(p);
+ parport_unregister_port(p);
+ kfree (ops);
}
- p = tmp;
+ p = next;
}
}
#endif
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index cb0e73332..8059dfa22 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -95,6 +95,14 @@ static void call_driver_chain(int attach, struct parport *port)
}
}
+/* Ask kmod for some lowlevel drivers. */
+static void get_lowlevel_driver (void)
+{
+ /* There is no actual module called this: you should set
+ * up an alias for modutils. */
+ request_module ("parport_lowlevel");
+}
+
int parport_register_driver (struct parport_driver *drv)
{
struct parport *port;
@@ -107,12 +115,8 @@ int parport_register_driver (struct parport_driver *drv)
for (port = portlist; port; port = port->next)
drv->attach (port);
- /* For compatibility with 2.2, check the (obsolete) parport_lowlevel
- * alias in case some people haven't changed to post-install rules
- * yet. parport_enumerate (itself deprecated) will printk a
- * friendly reminder. */
if (!portlist)
- parport_enumerate ();
+ get_lowlevel_driver ();
return 0;
}
@@ -123,12 +127,21 @@ void parport_unregister_driver (struct parport_driver *arg)
while (drv) {
if (drv == arg) {
+ struct parport *port;
+
spin_lock (&driverlist_lock);
if (olddrv)
olddrv->next = drv->next;
else
driver_chain = drv->next;
spin_unlock (&driverlist_lock);
+
+ /* Call the driver's detach routine for each
+ * port to clean up any resources that the
+ * attach routine acquired. */
+ for (port = portlist; port; port = port->next)
+ drv->detach (port);
+
return;
}
olddrv = drv;
@@ -136,20 +149,12 @@ void parport_unregister_driver (struct parport_driver *arg)
}
}
-/* Return a list of all the ports we know about. */
+/* Return a list of all the ports we know about. This function shouldn't
+ * really be used -- use parport_register_driver instead. */
struct parport *parport_enumerate(void)
{
- /* Attempt to make things work on 2.2 systems. */
- if (!portlist) {
- request_module ("parport_lowlevel");
- if (portlist)
- /* The user has a parport_lowlevel alias in
- * modules.conf. Warn them that it won't work
- * for long. */
- printk (KERN_WARNING
- "parport: 'parport_lowlevel' is deprecated; "
- "see parport.txt\n");
- }
+ if (!portlist)
+ get_lowlevel_driver ();
return portlist;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 03:00:09 +0000