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Diffstat (limited to 'drivers/net/irda/girbil.c')
-rw-r--r--drivers/net/irda/girbil.c250
1 files changed, 0 insertions, 250 deletions
diff --git a/drivers/net/irda/girbil.c b/drivers/net/irda/girbil.c
deleted file mode 100644
index 1f57391a618b..000000000000
--- a/drivers/net/irda/girbil.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/*********************************************************************
- *
- * Filename: girbil.c
- * Version: 1.2
- * Description: Implementation for the Greenwich GIrBIL dongle
- * Status: Experimental.
- * Author: Dag Brattli <dagb@cs.uit.no>
- * Created at: Sat Feb 6 21:02:33 1999
- * Modified at: Fri Dec 17 09:13:20 1999
- * Modified by: Dag Brattli <dagb@cs.uit.no>
- *
- * Copyright (c) 1999 Dag Brattli, 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 Dag Brattli nor University of Tromsø 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/init.h>
-
-#include <net/irda/irda.h>
-#include <net/irda/irda_device.h>
-
-static int girbil_reset(struct irda_task *task);
-static void girbil_open(dongle_t *self, struct qos_info *qos);
-static void girbil_close(dongle_t *self);
-static int girbil_change_speed(struct irda_task *task);
-
-/* Control register 1 */
-#define GIRBIL_TXEN 0x01 /* Enable transmitter */
-#define GIRBIL_RXEN 0x02 /* Enable receiver */
-#define GIRBIL_ECAN 0x04 /* Cancel self emmited data */
-#define GIRBIL_ECHO 0x08 /* Echo control characters */
-
-/* LED Current Register (0x2) */
-#define GIRBIL_HIGH 0x20
-#define GIRBIL_MEDIUM 0x21
-#define GIRBIL_LOW 0x22
-
-/* Baud register (0x3) */
-#define GIRBIL_2400 0x30
-#define GIRBIL_4800 0x31
-#define GIRBIL_9600 0x32
-#define GIRBIL_19200 0x33
-#define GIRBIL_38400 0x34
-#define GIRBIL_57600 0x35
-#define GIRBIL_115200 0x36
-
-/* Mode register (0x4) */
-#define GIRBIL_IRDA 0x40
-#define GIRBIL_ASK 0x41
-
-/* Control register 2 (0x5) */
-#define GIRBIL_LOAD 0x51 /* Load the new baud rate value */
-
-static struct dongle_reg dongle = {
- .type = IRDA_GIRBIL_DONGLE,
- .open = girbil_open,
- .close = girbil_close,
- .reset = girbil_reset,
- .change_speed = girbil_change_speed,
- .owner = THIS_MODULE,
-};
-
-static int __init girbil_init(void)
-{
- return irda_device_register_dongle(&dongle);
-}
-
-static void __exit girbil_cleanup(void)
-{
- irda_device_unregister_dongle(&dongle);
-}
-
-static void girbil_open(dongle_t *self, struct qos_info *qos)
-{
- qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
- qos->min_turn_time.bits = 0x03;
-}
-
-static void girbil_close(dongle_t *self)
-{
- /* Power off dongle */
- self->set_dtr_rts(self->dev, FALSE, FALSE);
-}
-
-/*
- * Function girbil_change_speed (dev, speed)
- *
- * Set the speed for the Girbil type dongle.
- *
- */
-static int girbil_change_speed(struct irda_task *task)
-{
- dongle_t *self = (dongle_t *) task->instance;
- __u32 speed = (__u32) task->param;
- __u8 control[2];
- int ret = 0;
-
- self->speed_task = task;
-
- switch (task->state) {
- case IRDA_TASK_INIT:
- /* Need to reset the dongle and go to 9600 bps before
- programming */
- if (irda_task_execute(self, girbil_reset, NULL, task,
- (void *) speed))
- {
- /* Dongle need more time to reset */
- irda_task_next_state(task, IRDA_TASK_CHILD_WAIT);
-
- /* Give reset 1 sec to finish */
- ret = msecs_to_jiffies(1000);
- }
- break;
- case IRDA_TASK_CHILD_WAIT:
- IRDA_WARNING("%s(), resetting dongle timed out!\n",
- __FUNCTION__);
- ret = -1;
- break;
- case IRDA_TASK_CHILD_DONE:
- /* Set DTR and Clear RTS to enter command mode */
- self->set_dtr_rts(self->dev, FALSE, TRUE);
-
- switch (speed) {
- case 9600:
- default:
- control[0] = GIRBIL_9600;
- break;
- case 19200:
- control[0] = GIRBIL_19200;
- break;
- case 34800:
- control[0] = GIRBIL_38400;
- break;
- case 57600:
- control[0] = GIRBIL_57600;
- break;
- case 115200:
- control[0] = GIRBIL_115200;
- break;
- }
- control[1] = GIRBIL_LOAD;
-
- /* Write control bytes */
- self->write(self->dev, control, 2);
- irda_task_next_state(task, IRDA_TASK_WAIT);
- ret = msecs_to_jiffies(100);
- break;
- case IRDA_TASK_WAIT:
- /* Go back to normal mode */
- self->set_dtr_rts(self->dev, TRUE, TRUE);
- irda_task_next_state(task, IRDA_TASK_DONE);
- self->speed_task = NULL;
- break;
- default:
- IRDA_ERROR("%s(), unknown state %d\n",
- __FUNCTION__, task->state);
- irda_task_next_state(task, IRDA_TASK_DONE);
- self->speed_task = NULL;
- ret = -1;
- break;
- }
- return ret;
-}
-
-/*
- * Function girbil_reset (driver)
- *
- * This function resets the girbil dongle.
- *
- * Algorithm:
- * 0. set RTS, and wait at least 5 ms
- * 1. clear RTS
- */
-static int girbil_reset(struct irda_task *task)
-{
- dongle_t *self = (dongle_t *) task->instance;
- __u8 control = GIRBIL_TXEN | GIRBIL_RXEN;
- int ret = 0;
-
- self->reset_task = task;
-
- switch (task->state) {
- case IRDA_TASK_INIT:
- /* Reset dongle */
- self->set_dtr_rts(self->dev, TRUE, FALSE);
- irda_task_next_state(task, IRDA_TASK_WAIT1);
- /* Sleep at least 5 ms */
- ret = msecs_to_jiffies(20);
- break;
- case IRDA_TASK_WAIT1:
- /* Set DTR and clear RTS to enter command mode */
- self->set_dtr_rts(self->dev, FALSE, TRUE);
- irda_task_next_state(task, IRDA_TASK_WAIT2);
- ret = msecs_to_jiffies(20);
- break;
- case IRDA_TASK_WAIT2:
- /* Write control byte */
- self->write(self->dev, &control, 1);
- irda_task_next_state(task, IRDA_TASK_WAIT3);
- ret = msecs_to_jiffies(20);
- break;
- case IRDA_TASK_WAIT3:
- /* Go back to normal mode */
- self->set_dtr_rts(self->dev, TRUE, TRUE);
- irda_task_next_state(task, IRDA_TASK_DONE);
- self->reset_task = NULL;
- break;
- default:
- IRDA_ERROR("%s(), unknown state %d\n",
- __FUNCTION__, task->state);
- irda_task_next_state(task, IRDA_TASK_DONE);
- self->reset_task = NULL;
- ret = -1;
- break;
- }
- return ret;
-}
-
-MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>");
-MODULE_DESCRIPTION("Greenwich GIrBIL dongle driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("irda-dongle-4"); /* IRDA_GIRBIL_DONGLE */
-
-/*
- * Function init_module (void)
- *
- * Initialize Girbil module
- *
- */
-module_init(girbil_init);
-
-/*
- * Function cleanup_module (void)
- *
- * Cleanup Girbil module
- *
- */
-module_exit(girbil_cleanup);
-
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.