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    Subject[PATCH] : ir250_act200l_ma600_drivers.diff
    From
    ir250_act200l_ma600_drivers.diff :
    --------------------------------
    <Following patch from Shimizu Takuja/Gerhard Bertelsmann>
    o [FEATURE] Dongle driver for ActiSys 200L hardware
    <Following patch from Leung/me>
    o [FEATURE] Dongle driver for Mobile Action MA600 hardware



    diff -u -p linux/include/linux/irda.d9.h linux/include/linux/irda.h
    --- linux/include/linux/irda.d9.h Mon Jun 3 17:27:04 2002
    +++ linux/include/linux/irda.h Mon Jun 3 17:34:14 2002
    @@ -68,6 +68,8 @@ typedef enum {
    IRDA_OLD_BELKIN_DONGLE = 7,
    IRDA_EP7211_IR = 8,
    IRDA_MCP2120_DONGLE = 9,
    + IRDA_ACT200L_DONGLE = 10,
    + IRDA_MA600_DONGLE = 11,
    } IRDA_DONGLE;

    /* Protocol types to be used for SOCK_DGRAM */
    diff -u -p linux/drivers/net/irda/Config.d9.help linux/drivers/net/irda/Config.help
    --- linux/drivers/net/irda/Config.d9.help Mon Jun 3 17:27:28 2002
    +++ linux/drivers/net/irda/Config.help Mon Jun 3 17:28:29 2002
    @@ -157,3 +157,11 @@ CONFIG_OLD_BELKIN_DONGLE
    called old_belkin.o. Some information is contained in the comments
    at the top of <file:drivers/net/irda/old_belkin.c>.

    +ACTiSYS IR-200L dongle (Experimental)
    +CONFIG_ACT200L_DONGLE
    + Say Y here if you want to build support for the ACTiSYS IR-200L
    + dongle. If you want to compile it as a module, say M here and read
    + Documentation/modules.txt. The ACTiSYS IR-200L dongle attaches to
    + the normal 9-pin serial port connector, and can currently only be
    + used by IrTTY. To activate support for ACTiSYS IR-200L dongles
    + you will have to start irattach like this: "irattach -d act200l".
    diff -u -p linux/drivers/net/irda/Config.d9.in linux/drivers/net/irda/Config.in
    --- linux/drivers/net/irda/Config.d9.in Mon Jun 3 17:27:35 2002
    +++ linux/drivers/net/irda/Config.in Mon Jun 3 17:36:55 2002
    @@ -18,6 +18,10 @@ if [ "$CONFIG_DONGLE" != "n" ]; then
    if [ "$CONFIG_ARCH_EP7211" = "y" ]; then
    dep_tristate ' EP7211 I/R support' CONFIG_EP7211_IR $CONFIG_IRDA
    fi
    + if [ "$CONFIG_EXPERIMENTAL" != "n" ]; then
    + dep_tristate ' ACTiSYS IR-200L dongle (Experimental)' CONFIG_ACT200L_DONGLE $CONFIG_IRDA
    + dep_tristate ' Mobile Action MA600 dongle (Experimental)' CONFIG_MA600_DONGLE $CONFIG_IRDA
    + fi
    fi

    comment 'FIR device drivers'
    diff -u -p linux/drivers/net/irda/Makefile.d9 linux/drivers/net/irda/Makefile
    --- linux/drivers/net/irda/Makefile.d9 Mon Jun 3 17:27:52 2002
    +++ linux/drivers/net/irda/Makefile Mon Jun 3 17:37:24 2002
    @@ -25,5 +25,7 @@ obj-$(CONFIG_LITELINK_DONGLE) += litelin
    obj-$(CONFIG_OLD_BELKIN_DONGLE) += old_belkin.o
    obj-$(CONFIG_EP7211_IR) += ep7211_ir.o
    obj-$(CONFIG_MCP2120_DONGLE) += mcp2120.o
    +obj-$(CONFIG_ACT200L_DONGLE) += act200l.o
    +obj-$(CONFIG_MA600_DONGLE) += ma600.o

    include $(TOPDIR)/Rules.make
    diff -u -p linux/drivers/net/irda/act200l.d9.c linux/drivers/net/irda/act200l.c
    --- linux/drivers/net/irda/act200l.d9.c Mon Jun 3 17:32:01 2002
    +++ linux/drivers/net/irda/act200l.c Mon Jun 3 17:52:01 2002
    @@ -0,0 +1,299 @@
    +/*********************************************************************
    + *
    + * Filename: act200l.c
    + * Version: 0.8
    + * Description: Implementation for the ACTiSYS ACT-IR200L dongle
    + * Status: Experimental.
    + * Author: SHIMIZU Takuya <tshimizu@ga2.so-net.ne.jp>
    + * Created at: Fri Aug 3 17:35:42 2001
    + * Modified at: Fri Aug 17 10:22:40 2001
    + * Modified by: SHIMIZU Takuya <tshimizu@ga2.so-net.ne.jp>
    + *
    + * Copyright (c) 2001 SHIMIZU Takuya, 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.
    + *
    + ********************************************************************/
    +
    +#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/irda_device.h>
    +#include <net/irda/irtty.h>
    +
    +static int act200l_reset(struct irda_task *task);
    +static void act200l_open(dongle_t *self, struct qos_info *qos);
    +static void act200l_close(dongle_t *self);
    +static int act200l_change_speed(struct irda_task *task);
    +
    +/* Regsiter 0: Control register #1 */
    +#define ACT200L_REG0 0x00
    +#define ACT200L_TXEN 0x01 /* Enable transmitter */
    +#define ACT200L_RXEN 0x02 /* Enable receiver */
    +
    +/* Register 1: Control register #2 */
    +#define ACT200L_REG1 0x10
    +#define ACT200L_LODB 0x01 /* Load new baud rate count value */
    +#define ACT200L_WIDE 0x04 /* Expand the maximum allowable pulse */
    +
    +/* Register 4: Output Power register */
    +#define ACT200L_REG4 0x40
    +#define ACT200L_OP0 0x01 /* Enable LED1C output */
    +#define ACT200L_OP1 0x02 /* Enable LED2C output */
    +#define ACT200L_BLKR 0x04
    +
    +/* Register 5: Receive Mode register */
    +#define ACT200L_REG5 0x50
    +#define ACT200L_RWIDL 0x01 /* fixed 1.6us pulse mode */
    +
    +/* Register 6: Receive Sensitivity register #1 */
    +#define ACT200L_REG6 0x60
    +#define ACT200L_RS0 0x01 /* receive threshold bit 0 */
    +#define ACT200L_RS1 0x02 /* receive threshold bit 1 */
    +
    +/* Register 7: Receive Sensitivity register #2 */
    +#define ACT200L_REG7 0x70
    +#define ACT200L_ENPOS 0x04 /* Ignore the falling edge */
    +
    +/* Register 8,9: Baud Rate Dvider register #1,#2 */
    +#define ACT200L_REG8 0x80
    +#define ACT200L_REG9 0x90
    +
    +#define ACT200L_2400 0x5f
    +#define ACT200L_9600 0x17
    +#define ACT200L_19200 0x0b
    +#define ACT200L_38400 0x05
    +#define ACT200L_57600 0x03
    +#define ACT200L_115200 0x01
    +
    +/* Register 13: Control register #3 */
    +#define ACT200L_REG13 0xd0
    +#define ACT200L_SHDW 0x01 /* Enable access to shadow registers */
    +
    +/* Register 15: Status register */
    +#define ACT200L_REG15 0xf0
    +
    +/* Register 21: Control register #4 */
    +#define ACT200L_REG21 0x50
    +#define ACT200L_EXCK 0x02 /* Disable clock output driver */
    +#define ACT200L_OSCL 0x04 /* oscillator in low power, medium accuracy mode */
    +
    +static struct dongle_reg dongle = {
    + Q_NULL,
    + IRDA_ACT200L_DONGLE,
    + act200l_open,
    + act200l_close,
    + act200l_reset,
    + act200l_change_speed,
    +};
    +
    +int __init act200l_init(void)
    +{
    + return irda_device_register_dongle(&dongle);
    +}
    +
    +void __exit act200l_cleanup(void)
    +{
    + irda_device_unregister_dongle(&dongle);
    +}
    +
    +static void act200l_open(dongle_t *self, struct qos_info *qos)
    +{
    + IRDA_DEBUG(2, __FUNCTION__ "()\n");
    +
    + /* Power on the dongle */
    + self->set_dtr_rts(self->dev, TRUE, TRUE);
    +
    + /* Set the speeds we can accept */
    + qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
    + qos->min_turn_time.bits = 0x03;
    +
    + MOD_INC_USE_COUNT;
    +}
    +
    +static void act200l_close(dongle_t *self)
    +{
    + IRDA_DEBUG(2, __FUNCTION__ "()\n");
    +
    + /* Power off the dongle */
    + self->set_dtr_rts(self->dev, FALSE, FALSE);
    +
    + MOD_DEC_USE_COUNT;
    +}
    +
    +/*
    + * Function act200l_change_speed (dev, speed)
    + *
    + * Set the speed for the ACTiSYS ACT-IR200L type dongle.
    + *
    + */
    +static int act200l_change_speed(struct irda_task *task)
    +{
    + dongle_t *self = (dongle_t *) task->instance;
    + __u32 speed = (__u32) task->param;
    + __u8 control[3];
    + int ret = 0;
    +
    + IRDA_DEBUG(2, __FUNCTION__ "()\n");
    +
    + self->speed_task = task;
    +
    + switch (task->state) {
    + case IRDA_TASK_INIT:
    + if (irda_task_execute(self, act200l_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:
    + WARNING(__FUNCTION__ "(), resetting dongle timed out!\n");
    + ret = -1;
    + break;
    + case IRDA_TASK_CHILD_DONE:
    + /* Clear DTR and set RTS to enter command mode */
    + self->set_dtr_rts(self->dev, FALSE, TRUE);
    +
    + switch (speed) {
    + case 9600:
    + default:
    + control[0] = ACT200L_REG8 | (ACT200L_9600 & 0x0f);
    + control[1] = ACT200L_REG9 | ((ACT200L_9600 >> 4) & 0x0f);
    + break;
    + case 19200:
    + control[0] = ACT200L_REG8 | (ACT200L_19200 & 0x0f);
    + control[1] = ACT200L_REG9 | ((ACT200L_19200 >> 4) & 0x0f);
    + break;
    + case 38400:
    + control[0] = ACT200L_REG8 | (ACT200L_38400 & 0x0f);
    + control[1] = ACT200L_REG9 | ((ACT200L_38400 >> 4) & 0x0f);
    + break;
    + case 57600:
    + control[0] = ACT200L_REG8 | (ACT200L_57600 & 0x0f);
    + control[1] = ACT200L_REG9 | ((ACT200L_57600 >> 4) & 0x0f);
    + break;
    + case 115200:
    + control[0] = ACT200L_REG8 | (ACT200L_115200 & 0x0f);
    + control[1] = ACT200L_REG9 | ((ACT200L_115200 >> 4) & 0x0f);
    + break;
    + }
    + control[2] = ACT200L_REG1 | ACT200L_LODB | ACT200L_WIDE;
    +
    + /* Write control bytes */
    + self->write(self->dev, control, 3);
    + irda_task_next_state(task, IRDA_TASK_WAIT);
    + ret = MSECS_TO_JIFFIES(5);
    + 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:
    + ERROR(__FUNCTION__ "(), unknown state %d\n", task->state);
    + irda_task_next_state(task, IRDA_TASK_DONE);
    + self->speed_task = NULL;
    + ret = -1;
    + break;
    + }
    + return ret;
    +}
    +
    +/*
    + * Function act200l_reset (driver)
    + *
    + * Reset the ACTiSYS ACT-IR200L type dongle.
    + */
    +static int act200l_reset(struct irda_task *task)
    +{
    + dongle_t *self = (dongle_t *) task->instance;
    + __u8 control[9] = {
    + ACT200L_REG15,
    + ACT200L_REG13 | ACT200L_SHDW,
    + ACT200L_REG21 | ACT200L_EXCK | ACT200L_OSCL,
    + ACT200L_REG13,
    + ACT200L_REG7 | ACT200L_ENPOS,
    + ACT200L_REG6 | ACT200L_RS0 | ACT200L_RS1,
    + ACT200L_REG5 | ACT200L_RWIDL,
    + ACT200L_REG4 | ACT200L_OP0 | ACT200L_OP1 | ACT200L_BLKR,
    + ACT200L_REG0 | ACT200L_TXEN | ACT200L_RXEN
    + };
    + int ret = 0;
    +
    + IRDA_DEBUG(2, __FUNCTION__ "()\n");
    +
    + self->reset_task = task;
    +
    + switch (task->state) {
    + case IRDA_TASK_INIT:
    + /* Power on the dongle */
    + self->set_dtr_rts(self->dev, TRUE, TRUE);
    +
    + irda_task_next_state(task, IRDA_TASK_WAIT1);
    + ret = MSECS_TO_JIFFIES(50);
    + break;
    + case IRDA_TASK_WAIT1:
    + /* Reset the dongle : set RTS low for 25 ms */
    + self->set_dtr_rts(self->dev, TRUE, FALSE);
    +
    + irda_task_next_state(task, IRDA_TASK_WAIT2);
    + ret = MSECS_TO_JIFFIES(50);
    + break;
    + case IRDA_TASK_WAIT2:
    + /* Clear DTR and set RTS to enter command mode */
    + self->set_dtr_rts(self->dev, FALSE, TRUE);
    +
    + /* Write control bytes */
    + self->write(self->dev, control, 9);
    + irda_task_next_state(task, IRDA_TASK_WAIT3);
    + ret = MSECS_TO_JIFFIES(15);
    + 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:
    + ERROR(__FUNCTION__ "(), unknown state %d\n", task->state);
    + irda_task_next_state(task, IRDA_TASK_DONE);
    + self->reset_task = NULL;
    + ret = -1;
    + break;
    + }
    + return ret;
    +}
    +
    +MODULE_AUTHOR("SHIMIZU Takuya <tshimizu@ga2.so-net.ne.jp>");
    +MODULE_DESCRIPTION("ACTiSYS ACT-IR200L dongle driver");
    +MODULE_LICENSE("GPL");
    +
    +/*
    + * Function init_module (void)
    + *
    + * Initialize ACTiSYS ACT-IR200L module
    + *
    + */
    +module_init(act200l_init);
    +
    +/*
    + * Function cleanup_module (void)
    + *
    + * Cleanup ACTiSYS ACT-IR200L module
    + *
    + */
    +module_exit(act200l_cleanup);
    diff -u -p linux/drivers/net/irda/ma600.d9.c linux/drivers/net/irda/ma600.c
    --- linux/drivers/net/irda/ma600.d9.c Mon Jun 3 17:31:06 2002
    +++ linux/drivers/net/irda/ma600.c Mon Jun 3 17:52:17 2002
    @@ -0,0 +1,356 @@
    +/*********************************************************************
    + *
    + * 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/sched.h>
    +#include <linux/init.h>
    +
    +#include <net/irda/irda.h>
    +#include <net/irda/irda_device.h>
    +#include <net/irda/irtty.h>
    +
    +#ifndef NDEBUG
    + #undef IRDA_DEBUG
    + #define IRDA_DEBUG(n, args...) (printk(KERN_DEBUG args))
    +
    + #undef ASSERT(expr, func)
    + #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 = {
    + Q_NULL,
    + IRDA_MA600_DONGLE,
    + ma600_open,
    + ma600_close,
    + ma600_reset,
    + ma600_change_speed,
    +};
    +
    +int __init ma600_init(void)
    +{
    + IRDA_DEBUG(2, __FUNCTION__ "()\n");
    + return irda_device_register_dongle(&dongle);
    +}
    +
    +void __exit ma600_cleanup(void)
    +{
    + IRDA_DEBUG(2, __FUNCTION__ "()\n");
    + 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, __FUNCTION__ "()\n");
    +
    + 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
    +
    + MOD_INC_USE_COUNT;
    +}
    +
    +static void ma600_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 __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, __FUNCTION__ "()\n");
    +
    + ASSERT(task != NULL, return -1;);
    +
    + if (self->speed_task && self->speed_task != task) {
    + IRDA_DEBUG(0, __FUNCTION__ "(), busy!\n");
    + 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:
    + WARNING(__FUNCTION__ "(), resetting dongle timed out!\n");
    + 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 __FUNCTION__ "() control byte written != read!\n");
    + 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, __FUNCTION__ "() control byte write read OK\n");
    + #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:
    + ERROR(__FUNCTION__ "(), unknown state %d\n", 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, __FUNCTION__ "()\n");
    +
    + ASSERT(task != NULL, return -1;);
    +
    + if (self->reset_task && self->reset_task != task) {
    + IRDA_DEBUG(0, __FUNCTION__ "(), busy!\n");
    + 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:
    + ERROR(__FUNCTION__ "(), unknown state %d\n", 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");
    +
    +/*
    + * Function init_module (void)
    + *
    + * Initialize MA600 module
    + *
    + */
    +module_init(ma600_init);
    +
    +/*
    + * Function cleanup_module (void)
    + *
    + * Cleanup MA600 module
    + *
    + */
    +module_exit(ma600_cleanup);
    +
    -
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