diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/irda/ma600-sir.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/net/irda/ma600-sir.c | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/ANDROID_3.4.5/drivers/net/irda/ma600-sir.c b/ANDROID_3.4.5/drivers/net/irda/ma600-sir.c deleted file mode 100644 index e9121645..00000000 --- a/ANDROID_3.4.5/drivers/net/irda/ma600-sir.c +++ /dev/null @@ -1,263 +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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - ********************************************************************/ - -#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) -{ - IRDA_DEBUG(2, "%s()\n", __func__); - return irda_register_dongle(&ma600); -} - -static void __exit ma600_sir_cleanup(void) -{ - IRDA_DEBUG(2, "%s()\n", __func__); - 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; - - IRDA_DEBUG(2, "%s()\n", __func__); - - 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) -{ - IRDA_DEBUG(2, "%s()\n", __func__); - - /* 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; - - IRDA_DEBUG(2, "%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)) { - IRDA_WARNING("%s(): bad control byte read-back %02x != %02x\n", - __func__, (unsigned) byte, - (unsigned) get_control_byte(speed)); - return -1; - } - else - IRDA_DEBUG(2, "%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) -{ - IRDA_DEBUG(2, "%s()\n", __func__); - - /* 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); - |