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Diffstat (limited to 'drivers/net/irda/tekram.c')
-rw-r--r--drivers/net/irda/tekram.c282
1 files changed, 0 insertions, 282 deletions
diff --git a/drivers/net/irda/tekram.c b/drivers/net/irda/tekram.c
deleted file mode 100644
index 9bfd2441adb..00000000000
--- a/drivers/net/irda/tekram.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/*********************************************************************
- *
- * Filename: tekram.c
- * Version: 1.2
- * Description: Implementation of the Tekram IrMate IR-210B dongle
- * Status: Experimental.
- * Author: Dag Brattli <dagb@cs.uit.no>
- * Created at: Wed Oct 21 20:02:35 1998
- * Modified at: Fri Dec 17 09:13:09 1999
- * Modified by: Dag Brattli <dagb@cs.uit.no>
- *
- * Copyright (c) 1998-1999 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 void tekram_open(dongle_t *self, struct qos_info *qos);
-static void tekram_close(dongle_t *self);
-static int tekram_change_speed(struct irda_task *task);
-static int tekram_reset(struct irda_task *task);
-
-#define TEKRAM_115200 0x00
-#define TEKRAM_57600 0x01
-#define TEKRAM_38400 0x02
-#define TEKRAM_19200 0x03
-#define TEKRAM_9600 0x04
-
-#define TEKRAM_PW 0x10 /* Pulse select bit */
-
-static struct dongle_reg dongle = {
- .type = IRDA_TEKRAM_DONGLE,
- .open = tekram_open,
- .close = tekram_close,
- .reset = tekram_reset,
- .change_speed = tekram_change_speed,
- .owner = THIS_MODULE,
-};
-
-static int __init tekram_init(void)
-{
- return irda_device_register_dongle(&dongle);
-}
-
-static void __exit tekram_cleanup(void)
-{
- irda_device_unregister_dongle(&dongle);
-}
-
-static void tekram_open(dongle_t *self, struct qos_info *qos)
-{
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__ );
-
- qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
- qos->min_turn_time.bits = 0x01; /* Needs at least 10 ms */
- irda_qos_bits_to_value(qos);
-}
-
-static void tekram_close(dongle_t *self)
-{
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__ );
-
- /* Power off dongle */
- self->set_dtr_rts(self->dev, FALSE, FALSE);
-
- if (self->reset_task)
- irda_task_delete(self->reset_task);
- if (self->speed_task)
- irda_task_delete(self->speed_task);
-}
-
-/*
- * Function tekram_change_speed (dev, state, speed)
- *
- * Set the speed for the Tekram IRMate 210 type dongle. Warning, this
- * function must be called with a process context!
- *
- * Algorithm
- * 1. clear DTR
- * 2. set RTS, and wait at least 7 us
- * 3. send Control Byte to the IR-210 through TXD to set new baud rate
- * wait until the stop bit of Control Byte is sent (for 9600 baud rate,
- * it takes about 100 msec)
- * 5. clear RTS (return to NORMAL Operation)
- * 6. wait at least 50 us, new setting (baud rate, etc) takes effect here
- * after
- */
-static int tekram_change_speed(struct irda_task *task)
-{
- dongle_t *self = (dongle_t *) task->instance;
- __u32 speed = (__u32) task->param;
- __u8 byte;
- int ret = 0;
-
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__ );
-
- IRDA_ASSERT(task != NULL, return -1;);
-
- if (self->speed_task && self->speed_task != task) {
- IRDA_DEBUG(0, "%s(), busy!\n", __FUNCTION__ );
- return msecs_to_jiffies(10);
- } else
- self->speed_task = task;
-
- switch (speed) {
- default:
- case 9600:
- byte = TEKRAM_PW|TEKRAM_9600;
- break;
- case 19200:
- byte = TEKRAM_PW|TEKRAM_19200;
- break;
- case 38400:
- byte = TEKRAM_PW|TEKRAM_38400;
- break;
- case 57600:
- byte = TEKRAM_PW|TEKRAM_57600;
- break;
- case 115200:
- byte = TEKRAM_115200;
- break;
- }
-
- switch (task->state) {
- case IRDA_TASK_INIT:
- case IRDA_TASK_CHILD_INIT:
- /*
- * Need to reset the dongle and go to 9600 bps before
- * programming
- */
- if (irda_task_execute(self, tekram_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);
- } else
- irda_task_next_state(task, IRDA_TASK_CHILD_DONE);
- 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, Clear RTS */
- self->set_dtr_rts(self->dev, TRUE, FALSE);
-
- /* Wait at least 7us */
- udelay(14);
-
- /* Write control byte */
- self->write(self->dev, &byte, 1);
-
- irda_task_next_state(task, IRDA_TASK_WAIT);
-
- /* Wait at least 100 ms */
- ret = msecs_to_jiffies(150);
- break;
- case IRDA_TASK_WAIT:
- /* Set DTR, Set RTS */
- 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 tekram_reset (driver)
- *
- * This function resets the tekram dongle. Warning, this function
- * must be called with a process context!!
- *
- * Algorithm:
- * 0. Clear RTS and DTR, and wait 50 ms (power off the IR-210 )
- * 1. clear RTS
- * 2. set DTR, and wait at least 1 ms
- * 3. clear DTR to SPACE state, wait at least 50 us for further
- * operation
- */
-int tekram_reset(struct irda_task *task)
-{
- dongle_t *self = (dongle_t *) task->instance;
- int ret = 0;
-
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__ );
-
- IRDA_ASSERT(task != NULL, return -1;);
-
- if (self->reset_task && self->reset_task != task) {
- IRDA_DEBUG(0, "%s(), busy!\n", __FUNCTION__ );
- return msecs_to_jiffies(10);
- } else
- self->reset_task = task;
-
- /* Power off dongle */
- //self->set_dtr_rts(self->dev, FALSE, FALSE);
- self->set_dtr_rts(self->dev, TRUE, TRUE);
-
- switch (task->state) {
- case IRDA_TASK_INIT:
- irda_task_next_state(task, IRDA_TASK_WAIT1);
-
- /* Sleep 50 ms */
- ret = msecs_to_jiffies(50);
- break;
- case IRDA_TASK_WAIT1:
- /* Clear DTR, Set RTS */
- self->set_dtr_rts(self->dev, FALSE, TRUE);
-
- irda_task_next_state(task, IRDA_TASK_WAIT2);
-
- /* Should sleep 1 ms */
- ret = msecs_to_jiffies(1);
- break;
- case IRDA_TASK_WAIT2:
- /* Set DTR, Set RTS */
- self->set_dtr_rts(self->dev, TRUE, TRUE);
-
- /* Wait at least 50 us */
- udelay(75);
-
- 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;
- }
- return ret;
-}
-
-MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>");
-MODULE_DESCRIPTION("Tekram IrMate IR-210B dongle driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("irda-dongle-0"); /* IRDA_TEKRAM_DONGLE */
-
-/*
- * Function init_module (void)
- *
- * Initialize Tekram module
- *
- */
-module_init(tekram_init);
-
-/*
- * Function cleanup_module (void)
- *
- * Cleanup Tekram module
- *
- */
-module_exit(tekram_cleanup);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 19:27:45 +0000