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Diffstat (limited to 'drivers/net/irda/airport.c')
-rw-r--r--drivers/net/irda/airport.c358
1 files changed, 0 insertions, 358 deletions
diff --git a/drivers/net/irda/airport.c b/drivers/net/irda/airport.c
deleted file mode 100644
index b68378189..000000000
--- a/drivers/net/irda/airport.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/*********************************************************************
- *
- * Filename: airport.c
- * Version: 0.2
- * Description: Implementation for the Adaptec Airport 1000 and 2000
- * dongles
- * Status: Experimental.
- * Author: Fons Botman <budely@tref.nl>
- * Created at: Wed May 19 23:14:34 CEST 1999
- * Based on: actisys.c by Dag Brattli <dagb@cs.uit.no>
- *
- * Copyright (c) 1998-1999 Fons Botman, All Rights Reserved.
- *
- * 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.
- *
- * Neither Fons Botman nor anyone else admit liability nor
- * provide warranty for any of this software. This material is
- * provided "AS-IS" and at no charge.
- *
- ********************************************************************/
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/tty.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-
-#include <net/irda/irda.h>
-#include <net/irda/irmod.h>
-#include <net/irda/irda_device.h>
-
-static int airport_reset_wrapper(struct irda_task *task);
-static void airport_open(dongle_t *self, struct qos_info *qos);
-static void airport_close(dongle_t *self);
-static int airport_change_speed_wrapper(struct irda_task *task);
-
-static struct dongle_reg dongle = {
- Q_NULL,
- IRDA_AIRPORT_DONGLE,
- airport_open,
- airport_close,
- airport_reset_wrapper,
- airport_change_speed_wrapper,
-};
-
-int __init airport_init(void)
-{
- int ret;
-
- IRDA_DEBUG(2, __FUNCTION__ "()\n");
- ret = irda_device_register_dongle(&dongle);
- if (ret < 0)
- return ret;
- return 0;
-}
-
-void airport_cleanup(void)
-{
- IRDA_DEBUG(2, __FUNCTION__ "()\n");
- irda_device_unregister_dongle(&dongle);
-}
-
-static void airport_open(dongle_t *self, struct qos_info *qos)
-{
- qos->baud_rate.bits &=
- IR_2400|IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
- /* May need 1ms */
- qos->min_turn_time.bits = 0x07;
-
- MOD_INC_USE_COUNT;
-}
-
-static void airport_close(dongle_t *self)
-{
- IRDA_DEBUG(2, __FUNCTION__ "()\n");
- /* Power off dongle */
- self->set_dtr_rts(self->dev, FALSE, FALSE);
-
- MOD_DEC_USE_COUNT;
-}
-
-static void airport_set_command_mode(dongle_t *self)
-{
- IRDA_DEBUG(2, __FUNCTION__ "()\n");
- self->set_dtr_rts(self->dev, FALSE, TRUE);
-}
-
-static void airport_set_normal_mode(dongle_t *self)
-{
- IRDA_DEBUG(2, __FUNCTION__ "()\n");
- self->set_dtr_rts(self->dev, TRUE, TRUE);
-}
-
-void airport_write_char(dongle_t *self, unsigned char c)
-{
- int actual;
- IRDA_DEBUG(2, __FUNCTION__ "(,0x%x)\n", c & 0xff);
- actual = self->write(self->dev, &c, 1);
- ASSERT(actual == 1, return;);
-}
-
-#define JIFFIES_TO_MSECS(j) ((j)*1000/HZ)
-
-static int airport_waitfor_char(dongle_t *self, unsigned char c)
-{
- __u8 buf[100];
- int i, found = FALSE;
- int before;
- int len;
-
- IRDA_DEBUG(2, __FUNCTION__ "(,0x%x)\n", c);
-
- /* Sleep approx. 10 ms */
- before = jiffies;
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(MSECS_TO_JIFFIES(20));
- IRDA_DEBUG(4, __FUNCTION__ " waited %ldms\n",
- JIFFIES_TO_MSECS(jiffies - before));
-
- len = self->read(self->dev, buf, 100);
-
- for (i = 0; !found && i < len; i++ ) {
- /* IRDA_DEBUG(6, __FUNCTION__ " 0x02x\n", idev->rx_buff.data[i]); */
- found = c == buf[i];
- }
-
- IRDA_DEBUG(2, __FUNCTION__ " returns %s\n", (found ? "true" : "false"));
- return found;
-}
-
-static int airport_check_command_mode(dongle_t *self)
-{
- int i;
- int found = FALSE;
-
- IRDA_DEBUG(2, __FUNCTION__ "()\n");
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(MSECS_TO_JIFFIES(20));
- airport_set_command_mode(self);
-
- /* Loop until the time expires (200ms) or we get the magic char. */
-
- for ( i = 0 ; i < 25 ; i++ ) {
- airport_write_char(self, 0xff);
- if (airport_waitfor_char(self, 0xc3)) {
- found = TRUE;
- break;
- }
- }
-
- if (found) {
- IRDA_DEBUG(2, __FUNCTION__ " OK. (%d)\n", i);
- } else {
- IRDA_DEBUG(0, __FUNCTION__ " FAILED!\n");
- }
- return found;
-}
-
-static int airport_write_register(dongle_t *self, unsigned char reg)
-{
- int ok = FALSE;
- int i;
-
- IRDA_DEBUG(4, __FUNCTION__ "(,0x%x)\n", reg);
- airport_check_command_mode(self);
-
- for ( i = 0 ; i < 6 ; i++ ) {
- airport_write_char(self, reg);
- if (!airport_waitfor_char(self, reg))
- continue;
-
- /* Now read it back */
- airport_write_char(self, (reg << 4) | 0x0f);
- if (airport_waitfor_char(self, reg)) {
- ok = TRUE;
- break;
- }
- }
-
- airport_set_normal_mode(self);
- if (ok) {
- IRDA_DEBUG(4, __FUNCTION__ "(,0x%x) returns OK\n", reg);
- } else {
- IRDA_DEBUG(0, __FUNCTION__ "(,0x%x) returns False!\n", reg);
- }
- return ok;
-}
-
-
-/*
- * Function airport_change_speed (self, speed)
- *
- * Change speed of the Airport type IrDA dongles.
- */
-static void airport_change_speed(dongle_t *self, __u32 speed)
-{
- __u32 current_baudrate;
- int baudcode;
-
- IRDA_DEBUG(4, __FUNCTION__ "(,%d)\n", speed);
-
- ASSERT(self != NULL, return;);
-
- /* Find the correct baudrate code for the required baudrate */
- switch (speed) {
- case 2400: baudcode = 0x10; break;
- case 4800: baudcode = 0x20; break;
- case 9600: baudcode = 0x30; break;
- case 19200: baudcode = 0x40; break;
- case 38400: baudcode = 0x50; break;
- case 57600: baudcode = 0x60; break;
- case 115200: baudcode = 0x70; break;
- default:
- IRDA_DEBUG(0, __FUNCTION__ " bad baud rate: %d\n", speed);
- return;
- }
-
- current_baudrate = self->speed;
- IRDA_DEBUG(4, __FUNCTION__ " current baudrate: %d\n", current_baudrate);
-
- self->set_mode(self->dev, IRDA_RAW);
-
- /* Set the new speed in both registers */
- if (airport_write_register(self, baudcode)) {
- if (airport_write_register(self, baudcode|0x01)) {
- /* ok */
- } else {
- IRDA_DEBUG(0, __FUNCTION__
- " Cannot set new speed in second register\n");
- }
- } else {
- IRDA_DEBUG(0, __FUNCTION__
- " Cannot set new speed in first register\n");
- }
-
- self->set_mode(self->dev, IRDA_IRLAP);
-
- /* How do I signal an error in these functions? */
-
- IRDA_DEBUG(4, __FUNCTION__ " returning\n");
-}
-
-int airport_change_speed_wrapper(struct irda_task *task)
-{
- dongle_t *self = (dongle_t *) task->instance;
- __u32 speed = (__u32) task->param;
-
- irda_execute_as_process(self, (TODO_CALLBACK) airport_change_speed,
- speed);
-
- irda_task_next_state(task, IRDA_TASK_DONE);
-
- return 0;
-}
-
-/*
- * Function airport_reset (self)
- *
- * Reset the Airport type dongle. Warning, this function must only be
- * called with a process context!
- *
- */
-static void airport_reset(dongle_t *self)
-{
- int ok;
-
- IRDA_DEBUG(2, __FUNCTION__ "()\n");
- ASSERT(self != NULL, return;);
-
- self->set_mode(self->dev, IRDA_RAW);
-
- airport_set_normal_mode(self);
-
- /* Sleep 2000 ms */
- IRDA_DEBUG(2, __FUNCTION__ " waiting for powerup\n");
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(MSECS_TO_JIFFIES(2000));
- IRDA_DEBUG(2, __FUNCTION__ " finished waiting for powerup\n");
-
- /* set dongle speed to 9600 */
- ok = TRUE;
-
- if (ok)
- ok = airport_write_register(self, 0x30);
- if (!ok)
- MESSAGE(__FUNCTION__ "() dongle not connected?\n");
- if (ok)
- ok = airport_write_register(self, 0x31);
-
- if (ok)
- ok = airport_write_register(self, 0x02);
- if (ok)
- ok = airport_write_register(self, 0x03);
-
- if (ok) {
- ok = airport_check_command_mode(self);
-
- if (ok) {
- airport_write_char(self, 0x04);
- ok = airport_waitfor_char(self, 0x04);
- }
- airport_set_normal_mode(self);
- }
-
- self->set_mode(self->dev, IRDA_IRLAP);
-
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(MSECS_TO_JIFFIES(20));
- IRDA_DEBUG(4, __FUNCTION__ " waited 20ms\n");
-
- self->speed = 9600;
- if (!ok)
- MESSAGE(__FUNCTION__ "() failed.\n");
- IRDA_DEBUG(2, __FUNCTION__ " returning.\n");
-}
-
-int airport_reset_wrapper(struct irda_task *task)
-{
- dongle_t *self = (dongle_t *) task->instance;
-
- irda_execute_as_process(self, (TODO_CALLBACK) airport_reset, 0);
-
- irda_task_next_state(task, IRDA_TASK_DONE);
-
- return 0;
-}
-
-#ifdef MODULE
-
-MODULE_AUTHOR("Fons Botman <budely@tref.nl>");
-MODULE_DESCRIPTION("Adaptec Airport 1000 and 2000 dongle driver");
-
-/*
- * Function init_module (void)
- *
- * Initialize Airport module
- *
- */
-int init_module(void)
-{
- return airport_init();
-}
-
-/*
- * Function cleanup_module (void)
- *
- * Cleanup Airport module
- *
- */
-void cleanup_module(void)
-{
- airport_cleanup();
-}
-
-#endif
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