summaryrefslogtreecommitdiff
path: root/drivers/net/irda/ma600.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/irda/ma600.c')
-rw-r--r--drivers/net/irda/ma600.c354
1 files changed, 0 insertions, 354 deletions
diff --git a/drivers/net/irda/ma600.c b/drivers/net/irda/ma600.c
deleted file mode 100644
index f5e6836667fd..000000000000
--- a/drivers/net/irda/ma600.c
+++ /dev/null
@@ -1,354 +0,0 @@
-/*********************************************************************
- *
- * Filename: ma600.c
- * Version: 0.1
- * Description: Implementation of the MA600 dongle
- * Status: Experimental.
- * Author: Leung <95Etwl@alumni.ee.ust.hk> http://www.engsvr.ust/~eetwl95
- * Created at: Sat Jun 10 20:02:35 2000
- * Modified at:
- * Modified by:
- *
- * Note: very thanks to Mr. Maru Wang <maru@mobileaction.com.tw> for providing
- * information on the MA600 dongle
- *
- * Copyright (c) 2000 Leung, 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.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- ********************************************************************/
-
-/* define this macro for release version */
-//#define NDEBUG
-
-#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>
-
-#ifndef NDEBUG
- #undef IRDA_DEBUG
- #define IRDA_DEBUG(n, args...) (printk(KERN_DEBUG args))
-
- #undef ASSERT
- #define ASSERT(expr, func) \
- if(!(expr)) { \
- printk( "Assertion failed! %s,%s,%s,line=%d\n",\
- #expr,__FILE__,__FUNCTION__,__LINE__); \
- func}
-#endif
-
-/* convert hex value to ascii hex */
-static const char hexTbl[] = "0123456789ABCDEF";
-
-
-static void ma600_open(dongle_t *self, struct qos_info *qos);
-static void ma600_close(dongle_t *self);
-static int ma600_change_speed(struct irda_task *task);
-static int ma600_reset(struct irda_task *task);
-
-/* control byte for MA600 */
-#define MA600_9600 0x00
-#define MA600_19200 0x01
-#define MA600_38400 0x02
-#define MA600_57600 0x03
-#define MA600_115200 0x04
-#define MA600_DEV_ID1 0x05
-#define MA600_DEV_ID2 0x06
-#define MA600_2400 0x08
-
-static struct dongle_reg dongle = {
- .type = IRDA_MA600_DONGLE,
- .open = ma600_open,
- .close = ma600_close,
- .reset = ma600_reset,
- .change_speed = ma600_change_speed,
- .owner = THIS_MODULE,
-};
-
-static int __init ma600_init(void)
-{
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
- return irda_device_register_dongle(&dongle);
-}
-
-static void __exit ma600_cleanup(void)
-{
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
- irda_device_unregister_dongle(&dongle);
-}
-
-/*
- Power on:
- (0) Clear RTS and DTR for 1 second
- (1) Set RTS and DTR for 1 second
- (2) 9600 bps now
- Note: assume RTS, DTR are clear before
-*/
-static void ma600_open(dongle_t *self, struct qos_info *qos)
-{
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
-
- qos->baud_rate.bits &= IR_2400|IR_9600|IR_19200|IR_38400
- |IR_57600|IR_115200;
- qos->min_turn_time.bits = 0x01; /* Needs at least 1 ms */
- irda_qos_bits_to_value(qos);
-
- //self->set_dtr_rts(self->dev, FALSE, FALSE);
- // should wait 1 second
-
- self->set_dtr_rts(self->dev, TRUE, TRUE);
- // should wait 1 second
-}
-
-static void ma600_close(dongle_t *self)
-{
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
-
- /* Power off dongle */
- self->set_dtr_rts(self->dev, FALSE, FALSE);
-}
-
-static __u8 get_control_byte(__u32 speed)
-{
- __u8 byte;
-
- switch (speed) {
- default:
- case 115200:
- byte = MA600_115200;
- break;
- case 57600:
- byte = MA600_57600;
- break;
- case 38400:
- byte = MA600_38400;
- break;
- case 19200:
- byte = MA600_19200;
- break;
- case 9600:
- byte = MA600_9600;
- break;
- case 2400:
- byte = MA600_2400;
- break;
- }
-
- return byte;
-}
-
-/*
- * Function ma600_change_speed (dev, state, speed)
- *
- * Set the speed for the MA600 type dongle. Warning, this
- * function must be called with a process context!
- *
- * Algorithm
- * 1. Reset
- * 2. clear RTS, set DTR and wait for 1ms
- * 3. send Control Byte to the MA600 through TXD to set new baud rate
- * wait until the stop bit of Control Byte is sent (for 9600 baud rate,
- * it takes about 10 msec)
- * 4. set RTS, set DTR (return to NORMAL Operation)
- * 5. wait at least 10 ms, new setting (baud rate, etc) takes effect here
- * after
- */
-static int ma600_change_speed(struct irda_task *task)
-{
- dongle_t *self = (dongle_t *) task->instance;
- __u32 speed = (__u32) task->param;
- static __u8 byte;
- __u8 byte_echo;
- int ret = 0;
-
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
-
- 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 (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, ma600_reset, NULL, task,
- (void *) speed)) {
- /* Dongle need more time to reset */
- irda_task_next_state(task, IRDA_TASK_CHILD_WAIT);
-
- /* give 1 second 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);
-
- ret = msecs_to_jiffies(1); /* Sleep 1 ms */
- irda_task_next_state(task, IRDA_TASK_WAIT);
- break;
-
- case IRDA_TASK_WAIT:
- speed = (__u32) task->param;
- byte = get_control_byte(speed);
-
- /* Write control byte */
- self->write(self->dev, &byte, sizeof(byte));
-
- irda_task_next_state(task, IRDA_TASK_WAIT1);
-
- /* Wait at least 10 ms */
- ret = msecs_to_jiffies(15);
- break;
-
- case IRDA_TASK_WAIT1:
- /* Read control byte echo */
- self->read(self->dev, &byte_echo, sizeof(byte_echo));
-
- if(byte != byte_echo) {
- /* if control byte != echo, I don't know what to do */
- printk(KERN_WARNING "%s() control byte written != read!\n", __FUNCTION__);
- printk(KERN_WARNING "control byte = 0x%c%c\n",
- hexTbl[(byte>>4)&0x0f], hexTbl[byte&0x0f]);
- printk(KERN_WARNING "byte echo = 0x%c%c\n",
- hexTbl[(byte_echo>>4) & 0x0f],
- hexTbl[byte_echo & 0x0f]);
- #ifndef NDEBUG
- } else {
- IRDA_DEBUG(2, "%s() control byte write read OK\n", __FUNCTION__);
- #endif
- }
-
- /* Set DTR, Set RTS */
- self->set_dtr_rts(self->dev, TRUE, TRUE);
-
- irda_task_next_state(task, IRDA_TASK_WAIT2);
-
- /* Wait at least 10 ms */
- ret = msecs_to_jiffies(10);
- break;
-
- case IRDA_TASK_WAIT2:
- 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 ma600_reset (driver)
- *
- * This function resets the ma600 dongle. Warning, this function
- * must be called with a process context!!
- *
- * Algorithm:
- * 0. DTR=0, RTS=1 and wait 10 ms
- * 1. DTR=1, RTS=1 and wait 10 ms
- * 2. 9600 bps now
- */
-int ma600_reset(struct irda_task *task)
-{
- dongle_t *self = (dongle_t *) task->instance;
- int ret = 0;
-
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
-
- 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;
-
- switch (task->state) {
- case IRDA_TASK_INIT:
- /* Clear DTR and Set RTS */
- self->set_dtr_rts(self->dev, FALSE, TRUE);
- irda_task_next_state(task, IRDA_TASK_WAIT1);
- ret = msecs_to_jiffies(10); /* Sleep 10 ms */
- break;
- case IRDA_TASK_WAIT1:
- /* Set DTR and RTS */
- self->set_dtr_rts(self->dev, TRUE, TRUE);
- irda_task_next_state(task, IRDA_TASK_WAIT2);
- ret = msecs_to_jiffies(10); /* Sleep 10 ms */
- break;
- case IRDA_TASK_WAIT2:
- 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("Leung <95Etwl@alumni.ee.ust.hk> http://www.engsvr.ust/~eetwl95");
-MODULE_DESCRIPTION("MA600 dongle driver version 0.1");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("irda-dongle-11"); /* IRDA_MA600_DONGLE */
-
-/*
- * Function init_module (void)
- *
- * Initialize MA600 module
- *
- */
-module_init(ma600_init);
-
-/*
- * Function cleanup_module (void)
- *
- * Cleanup MA600 module
- *
- */
-module_exit(ma600_cleanup);
-
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-02 06:24:04 +0300