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Diffstat (limited to 'drivers/net/irda/ma600-sir.c')
-rw-r--r--drivers/net/irda/ma600-sir.c253
1 files changed, 0 insertions, 253 deletions
diff --git a/drivers/net/irda/ma600-sir.c b/drivers/net/irda/ma600-sir.c
deleted file mode 100644
index a764817b47f1..000000000000
--- a/drivers/net/irda/ma600-sir.c
+++ /dev/null
@@ -1,253 +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: Sat Aug 16 09:34:13 2003
- * Modified by: Martin Diehl <mad@mdiehl.de> (modified for new sir_dev)
- *
- * 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, see <http://www.gnu.org/licenses/>.
- *
- ********************************************************************/
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-
-#include <net/irda/irda.h>
-
-#include "sir-dev.h"
-
-static int ma600_open(struct sir_dev *);
-static int ma600_close(struct sir_dev *);
-static int ma600_change_speed(struct sir_dev *, unsigned);
-static int ma600_reset(struct sir_dev *);
-
-/* 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_driver ma600 = {
- .owner = THIS_MODULE,
- .driver_name = "MA600",
- .type = IRDA_MA600_DONGLE,
- .open = ma600_open,
- .close = ma600_close,
- .reset = ma600_reset,
- .set_speed = ma600_change_speed,
-};
-
-
-static int __init ma600_sir_init(void)
-{
- return irda_register_dongle(&ma600);
-}
-
-static void __exit ma600_sir_cleanup(void)
-{
- irda_unregister_dongle(&ma600);
-}
-
-/*
- 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 int ma600_open(struct sir_dev *dev)
-{
- struct qos_info *qos = &dev->qos;
-
- sirdev_set_dtr_rts(dev, TRUE, TRUE);
-
- /* Explicitly set the speeds we can accept */
- qos->baud_rate.bits &= IR_2400|IR_9600|IR_19200|IR_38400
- |IR_57600|IR_115200;
- /* Hm, 0x01 means 10ms - for >= 1ms we would need 0x07 */
- qos->min_turn_time.bits = 0x01; /* Needs at least 1 ms */
- irda_qos_bits_to_value(qos);
-
- /* irda thread waits 50 msec for power settling */
-
- return 0;
-}
-
-static int ma600_close(struct sir_dev *dev)
-{
- /* Power off dongle */
- sirdev_set_dtr_rts(dev, FALSE, FALSE);
-
- return 0;
-}
-
-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, speed)
- *
- * Set the speed for the MA600 type dongle.
- *
- * The dongle has already been reset to a known state (dongle default)
- * We cycle through speeds by pulsing RTS low and then high.
- */
-
-/*
- * Function ma600_change_speed (dev, speed)
- *
- * Set the speed for the MA600 type dongle.
- *
- * Algorithm
- * 1. Reset (already done by irda thread state machine)
- * 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
- */
-
-/* total delays are only about 20ms - let's just sleep for now to
- * avoid the state machine complexity before we get things working
- */
-
-static int ma600_change_speed(struct sir_dev *dev, unsigned speed)
-{
- u8 byte;
-
- pr_debug("%s(), speed=%d (was %d)\n", __func__,
- speed, dev->speed);
-
- /* dongle already reset, dongle and port at default speed (9600) */
-
- /* Set RTS low for 1 ms */
- sirdev_set_dtr_rts(dev, TRUE, FALSE);
- mdelay(1);
-
- /* Write control byte */
- byte = get_control_byte(speed);
- sirdev_raw_write(dev, &byte, sizeof(byte));
-
- /* Wait at least 10ms: fake wait_until_sent - 10 bits at 9600 baud*/
- msleep(15); /* old ma600 uses 15ms */
-
-#if 1
- /* read-back of the control byte. ma600 is the first dongle driver
- * which uses this so there might be some unidentified issues.
- * Disable this in case of problems with readback.
- */
-
- sirdev_raw_read(dev, &byte, sizeof(byte));
- if (byte != get_control_byte(speed)) {
- net_warn_ratelimited("%s(): bad control byte read-back %02x != %02x\n",
- __func__, (unsigned)byte,
- (unsigned)get_control_byte(speed));
- return -1;
- }
- else
- pr_debug("%s() control byte write read OK\n", __func__);
-#endif
-
- /* Set DTR, Set RTS */
- sirdev_set_dtr_rts(dev, TRUE, TRUE);
-
- /* Wait at least 10ms */
- msleep(10);
-
- /* dongle is now switched to the new speed */
- dev->speed = speed;
-
- return 0;
-}
-
-/*
- * Function ma600_reset (dev)
- *
- * This function resets the ma600 dongle.
- *
- * Algorithm:
- * 0. DTR=0, RTS=1 and wait 10 ms
- * 1. DTR=1, RTS=1 and wait 10 ms
- * 2. 9600 bps now
- */
-
-/* total delays are only about 20ms - let's just sleep for now to
- * avoid the state machine complexity before we get things working
- */
-
-static int ma600_reset(struct sir_dev *dev)
-{
- /* Reset the dongle : set DTR low for 10 ms */
- sirdev_set_dtr_rts(dev, FALSE, TRUE);
- msleep(10);
-
- /* Go back to normal mode */
- sirdev_set_dtr_rts(dev, TRUE, TRUE);
- msleep(10);
-
- dev->speed = 9600; /* That's the dongle-default */
-
- return 0;
-}
-
-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 */
-
-module_init(ma600_sir_init);
-module_exit(ma600_sir_cleanup);
-
generated by cgit (git 2.34.1) at 2024-07-04 22:33:32 +0000