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path: root/drivers/net/irda/girbil-sir.c
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Diffstat (limited to 'drivers/net/irda/girbil-sir.c')
-rw-r--r--drivers/net/irda/girbil-sir.c252
1 files changed, 0 insertions, 252 deletions
diff --git a/drivers/net/irda/girbil-sir.c b/drivers/net/irda/girbil-sir.c
deleted file mode 100644
index 7e0a5b8c6d53..000000000000
--- a/drivers/net/irda/girbil-sir.c
+++ /dev/null
@@ -1,252 +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/init.h>
-
-#include <net/irda/irda.h>
-
-#include "sir-dev.h"
-
-static int girbil_reset(struct sir_dev *dev);
-static int girbil_open(struct sir_dev *dev);
-static int girbil_close(struct sir_dev *dev);
-static int girbil_change_speed(struct sir_dev *dev, unsigned speed);
-
-/* Control register 1 */
-#define GIRBIL_TXEN 0x01 /* Enable transmitter */
-#define GIRBIL_RXEN 0x02 /* Enable receiver */
-#define GIRBIL_ECAN 0x04 /* Cancel self emitted 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_driver girbil = {
- .owner = THIS_MODULE,
- .driver_name = "Greenwich GIrBIL",
- .type = IRDA_GIRBIL_DONGLE,
- .open = girbil_open,
- .close = girbil_close,
- .reset = girbil_reset,
- .set_speed = girbil_change_speed,
-};
-
-static int __init girbil_sir_init(void)
-{
- return irda_register_dongle(&girbil);
-}
-
-static void __exit girbil_sir_cleanup(void)
-{
- irda_unregister_dongle(&girbil);
-}
-
-static int girbil_open(struct sir_dev *dev)
-{
- struct qos_info *qos = &dev->qos;
-
- /* Power on dongle */
- sirdev_set_dtr_rts(dev, TRUE, TRUE);
-
- qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
- qos->min_turn_time.bits = 0x03;
- irda_qos_bits_to_value(qos);
-
- /* irda thread waits 50 msec for power settling */
-
- return 0;
-}
-
-static int girbil_close(struct sir_dev *dev)
-{
- /* Power off dongle */
- sirdev_set_dtr_rts(dev, FALSE, FALSE);
-
- return 0;
-}
-
-/*
- * Function girbil_change_speed (dev, speed)
- *
- * Set the speed for the Girbil type dongle.
- *
- */
-
-#define GIRBIL_STATE_WAIT_SPEED (SIRDEV_STATE_DONGLE_SPEED + 1)
-
-static int girbil_change_speed(struct sir_dev *dev, unsigned speed)
-{
- unsigned state = dev->fsm.substate;
- unsigned delay = 0;
- u8 control[2];
- static int ret = 0;
-
- /* dongle alread reset - port and dongle at default speed */
-
- switch(state) {
-
- case SIRDEV_STATE_DONGLE_SPEED:
-
- /* Set DTR and Clear RTS to enter command mode */
- sirdev_set_dtr_rts(dev, FALSE, TRUE);
-
- udelay(25); /* better wait a little while */
-
- ret = 0;
- switch (speed) {
- default:
- ret = -EINVAL;
- /* fall through */
- case 9600:
- 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 */
- sirdev_raw_write(dev, control, 2);
-
- dev->speed = speed;
-
- state = GIRBIL_STATE_WAIT_SPEED;
- delay = 100;
- break;
-
- case GIRBIL_STATE_WAIT_SPEED:
- /* Go back to normal mode */
- sirdev_set_dtr_rts(dev, TRUE, TRUE);
-
- udelay(25); /* better wait a little while */
- break;
-
- default:
- net_err_ratelimited("%s - undefined state %d\n",
- __func__, state);
- ret = -EINVAL;
- break;
- }
- dev->fsm.substate = state;
- return (delay > 0) ? delay : ret;
-}
-
-/*
- * Function girbil_reset (driver)
- *
- * This function resets the girbil dongle.
- *
- * Algorithm:
- * 0. set RTS, and wait at least 5 ms
- * 1. clear RTS
- */
-
-
-#define GIRBIL_STATE_WAIT1_RESET (SIRDEV_STATE_DONGLE_RESET + 1)
-#define GIRBIL_STATE_WAIT2_RESET (SIRDEV_STATE_DONGLE_RESET + 2)
-#define GIRBIL_STATE_WAIT3_RESET (SIRDEV_STATE_DONGLE_RESET + 3)
-
-static int girbil_reset(struct sir_dev *dev)
-{
- unsigned state = dev->fsm.substate;
- unsigned delay = 0;
- u8 control = GIRBIL_TXEN | GIRBIL_RXEN;
- int ret = 0;
-
- switch (state) {
- case SIRDEV_STATE_DONGLE_RESET:
- /* Reset dongle */
- sirdev_set_dtr_rts(dev, TRUE, FALSE);
- /* Sleep at least 5 ms */
- delay = 20;
- state = GIRBIL_STATE_WAIT1_RESET;
- break;
-
- case GIRBIL_STATE_WAIT1_RESET:
- /* Set DTR and clear RTS to enter command mode */
- sirdev_set_dtr_rts(dev, FALSE, TRUE);
- delay = 20;
- state = GIRBIL_STATE_WAIT2_RESET;
- break;
-
- case GIRBIL_STATE_WAIT2_RESET:
- /* Write control byte */
- sirdev_raw_write(dev, &control, 1);
- delay = 20;
- state = GIRBIL_STATE_WAIT3_RESET;
- break;
-
- case GIRBIL_STATE_WAIT3_RESET:
- /* Go back to normal mode */
- sirdev_set_dtr_rts(dev, TRUE, TRUE);
- dev->speed = 9600;
- break;
-
- default:
- net_err_ratelimited("%s(), undefined state %d\n",
- __func__, state);
- ret = -1;
- break;
- }
- dev->fsm.substate = state;
- return (delay > 0) ? delay : 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 */
-
-module_init(girbil_sir_init);
-module_exit(girbil_sir_cleanup);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-06 13:46:23 +0300