diff options
Diffstat (limited to 'drivers/net/irda/act200l.c')
-rw-r--r-- | drivers/net/irda/act200l.c | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/drivers/net/irda/act200l.c b/drivers/net/irda/act200l.c deleted file mode 100644 index 756cd44e857a..000000000000 --- a/drivers/net/irda/act200l.c +++ /dev/null @@ -1,297 +0,0 @@ -/********************************************************************* - * - * 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/init.h> - -#include <net/irda/irda.h> -#include <net/irda/irda_device.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 = { - .type = IRDA_ACT200L_DONGLE, - .open = act200l_open, - .close = act200l_close, - .reset = act200l_reset, - .change_speed = act200l_change_speed, - .owner = THIS_MODULE, -}; - -static int __init act200l_init(void) -{ - return irda_device_register_dongle(&dongle); -} - -static void __exit act200l_cleanup(void) -{ - irda_device_unregister_dongle(&dongle); -} - -static void act200l_open(dongle_t *self, struct qos_info *qos) -{ - IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); - - /* 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; -} - -static void act200l_close(dongle_t *self) -{ - IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); - - /* Power off the dongle */ - self->set_dtr_rts(self->dev, FALSE, FALSE); -} - -/* - * 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, "%s()\n", __FUNCTION__ ); - - 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: - IRDA_WARNING("%s(), resetting dongle timed out!\n", - __FUNCTION__); - 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: - 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 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, "%s()\n", __FUNCTION__ ); - - 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: - 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("SHIMIZU Takuya <tshimizu@ga2.so-net.ne.jp>"); -MODULE_DESCRIPTION("ACTiSYS ACT-IR200L dongle driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("irda-dongle-10"); /* IRDA_ACT200L_DONGLE */ - -/* - * 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); |