diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/keyboard/sunkbd.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/keyboard/sunkbd.c | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/ANDROID_3.4.5/drivers/input/keyboard/sunkbd.c b/ANDROID_3.4.5/drivers/input/keyboard/sunkbd.c deleted file mode 100644 index a99a04b0..00000000 --- a/ANDROID_3.4.5/drivers/input/keyboard/sunkbd.c +++ /dev/null @@ -1,387 +0,0 @@ -/* - * Copyright (c) 1999-2001 Vojtech Pavlik - */ - -/* - * Sun keyboard driver for Linux - */ - -/* - * 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 - * - * Should you need to contact me, the author, you can do so either by - * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: - * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic - */ - -#include <linux/delay.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/input.h> -#include <linux/serio.h> -#include <linux/workqueue.h> - -#define DRIVER_DESC "Sun keyboard driver" - -MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - -static unsigned char sunkbd_keycode[128] = { - 0,128,114,129,115, 59, 60, 68, 61, 87, 62, 88, 63,100, 64,112, - 65, 66, 67, 56,103,119, 99, 70,105,130,131,108,106, 1, 2, 3, - 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 41, 14,110,113, 98, 55, - 116,132, 83,133,102, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, - 26, 27,111,127, 71, 72, 73, 74,134,135,107, 0, 29, 30, 31, 32, - 33, 34, 35, 36, 37, 38, 39, 40, 43, 28, 96, 75, 76, 77, 82,136, - 104,137, 69, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,101, - 79, 80, 81, 0, 0, 0,138, 58,125, 57,126,109, 86, 78 -}; - -#define SUNKBD_CMD_RESET 0x1 -#define SUNKBD_CMD_BELLON 0x2 -#define SUNKBD_CMD_BELLOFF 0x3 -#define SUNKBD_CMD_CLICK 0xa -#define SUNKBD_CMD_NOCLICK 0xb -#define SUNKBD_CMD_SETLED 0xe -#define SUNKBD_CMD_LAYOUT 0xf - -#define SUNKBD_RET_RESET 0xff -#define SUNKBD_RET_ALLUP 0x7f -#define SUNKBD_RET_LAYOUT 0xfe - -#define SUNKBD_LAYOUT_5_MASK 0x20 -#define SUNKBD_RELEASE 0x80 -#define SUNKBD_KEY 0x7f - -/* - * Per-keyboard data. - */ - -struct sunkbd { - unsigned char keycode[ARRAY_SIZE(sunkbd_keycode)]; - struct input_dev *dev; - struct serio *serio; - struct work_struct tq; - wait_queue_head_t wait; - char name[64]; - char phys[32]; - char type; - bool enabled; - volatile s8 reset; - volatile s8 layout; -}; - -/* - * sunkbd_interrupt() is called by the low level driver when a character - * is received. - */ - -static irqreturn_t sunkbd_interrupt(struct serio *serio, - unsigned char data, unsigned int flags) -{ - struct sunkbd *sunkbd = serio_get_drvdata(serio); - - if (sunkbd->reset <= -1) { - /* - * If cp[i] is 0xff, sunkbd->reset will stay -1. - * The keyboard sends 0xff 0xff 0xID on powerup. - */ - sunkbd->reset = data; - wake_up_interruptible(&sunkbd->wait); - goto out; - } - - if (sunkbd->layout == -1) { - sunkbd->layout = data; - wake_up_interruptible(&sunkbd->wait); - goto out; - } - - switch (data) { - - case SUNKBD_RET_RESET: - schedule_work(&sunkbd->tq); - sunkbd->reset = -1; - break; - - case SUNKBD_RET_LAYOUT: - sunkbd->layout = -1; - break; - - case SUNKBD_RET_ALLUP: /* All keys released */ - break; - - default: - if (!sunkbd->enabled) - break; - - if (sunkbd->keycode[data & SUNKBD_KEY]) { - input_report_key(sunkbd->dev, - sunkbd->keycode[data & SUNKBD_KEY], - !(data & SUNKBD_RELEASE)); - input_sync(sunkbd->dev); - } else { - printk(KERN_WARNING - "sunkbd.c: Unknown key (scancode %#x) %s.\n", - data & SUNKBD_KEY, - data & SUNKBD_RELEASE ? "released" : "pressed"); - } - } -out: - return IRQ_HANDLED; -} - -/* - * sunkbd_event() handles events from the input module. - */ - -static int sunkbd_event(struct input_dev *dev, - unsigned int type, unsigned int code, int value) -{ - struct sunkbd *sunkbd = input_get_drvdata(dev); - - switch (type) { - - case EV_LED: - - serio_write(sunkbd->serio, SUNKBD_CMD_SETLED); - serio_write(sunkbd->serio, - (!!test_bit(LED_CAPSL, dev->led) << 3) | - (!!test_bit(LED_SCROLLL, dev->led) << 2) | - (!!test_bit(LED_COMPOSE, dev->led) << 1) | - !!test_bit(LED_NUML, dev->led)); - return 0; - - case EV_SND: - - switch (code) { - - case SND_CLICK: - serio_write(sunkbd->serio, SUNKBD_CMD_NOCLICK - value); - return 0; - - case SND_BELL: - serio_write(sunkbd->serio, SUNKBD_CMD_BELLOFF - value); - return 0; - } - - break; - } - - return -1; -} - -/* - * sunkbd_initialize() checks for a Sun keyboard attached, and determines - * its type. - */ - -static int sunkbd_initialize(struct sunkbd *sunkbd) -{ - sunkbd->reset = -2; - serio_write(sunkbd->serio, SUNKBD_CMD_RESET); - wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ); - if (sunkbd->reset < 0) - return -1; - - sunkbd->type = sunkbd->reset; - - if (sunkbd->type == 4) { /* Type 4 keyboard */ - sunkbd->layout = -2; - serio_write(sunkbd->serio, SUNKBD_CMD_LAYOUT); - wait_event_interruptible_timeout(sunkbd->wait, - sunkbd->layout >= 0, HZ / 4); - if (sunkbd->layout < 0) - return -1; - if (sunkbd->layout & SUNKBD_LAYOUT_5_MASK) - sunkbd->type = 5; - } - - return 0; -} - -/* - * sunkbd_reinit() sets leds and beeps to a state the computer remembers they - * were in. - */ - -static void sunkbd_reinit(struct work_struct *work) -{ - struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq); - - wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ); - - serio_write(sunkbd->serio, SUNKBD_CMD_SETLED); - serio_write(sunkbd->serio, - (!!test_bit(LED_CAPSL, sunkbd->dev->led) << 3) | - (!!test_bit(LED_SCROLLL, sunkbd->dev->led) << 2) | - (!!test_bit(LED_COMPOSE, sunkbd->dev->led) << 1) | - !!test_bit(LED_NUML, sunkbd->dev->led)); - serio_write(sunkbd->serio, - SUNKBD_CMD_NOCLICK - !!test_bit(SND_CLICK, sunkbd->dev->snd)); - serio_write(sunkbd->serio, - SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev->snd)); -} - -static void sunkbd_enable(struct sunkbd *sunkbd, bool enable) -{ - serio_pause_rx(sunkbd->serio); - sunkbd->enabled = enable; - serio_continue_rx(sunkbd->serio); -} - -/* - * sunkbd_connect() probes for a Sun keyboard and fills the necessary - * structures. - */ - -static int sunkbd_connect(struct serio *serio, struct serio_driver *drv) -{ - struct sunkbd *sunkbd; - struct input_dev *input_dev; - int err = -ENOMEM; - int i; - - sunkbd = kzalloc(sizeof(struct sunkbd), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!sunkbd || !input_dev) - goto fail1; - - sunkbd->serio = serio; - sunkbd->dev = input_dev; - init_waitqueue_head(&sunkbd->wait); - INIT_WORK(&sunkbd->tq, sunkbd_reinit); - snprintf(sunkbd->phys, sizeof(sunkbd->phys), "%s/input0", serio->phys); - - serio_set_drvdata(serio, sunkbd); - - err = serio_open(serio, drv); - if (err) - goto fail2; - - if (sunkbd_initialize(sunkbd) < 0) { - err = -ENODEV; - goto fail3; - } - - snprintf(sunkbd->name, sizeof(sunkbd->name), - "Sun Type %d keyboard", sunkbd->type); - memcpy(sunkbd->keycode, sunkbd_keycode, sizeof(sunkbd->keycode)); - - input_dev->name = sunkbd->name; - input_dev->phys = sunkbd->phys; - input_dev->id.bustype = BUS_RS232; - input_dev->id.vendor = SERIO_SUNKBD; - input_dev->id.product = sunkbd->type; - input_dev->id.version = 0x0100; - input_dev->dev.parent = &serio->dev; - - input_set_drvdata(input_dev, sunkbd); - - input_dev->event = sunkbd_event; - - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) | - BIT_MASK(EV_SND) | BIT_MASK(EV_REP); - input_dev->ledbit[0] = BIT_MASK(LED_CAPSL) | BIT_MASK(LED_COMPOSE) | - BIT_MASK(LED_SCROLLL) | BIT_MASK(LED_NUML); - input_dev->sndbit[0] = BIT_MASK(SND_CLICK) | BIT_MASK(SND_BELL); - - input_dev->keycode = sunkbd->keycode; - input_dev->keycodesize = sizeof(unsigned char); - input_dev->keycodemax = ARRAY_SIZE(sunkbd_keycode); - for (i = 0; i < ARRAY_SIZE(sunkbd_keycode); i++) - __set_bit(sunkbd->keycode[i], input_dev->keybit); - __clear_bit(KEY_RESERVED, input_dev->keybit); - - sunkbd_enable(sunkbd, true); - - err = input_register_device(sunkbd->dev); - if (err) - goto fail4; - - return 0; - - fail4: sunkbd_enable(sunkbd, false); - fail3: serio_close(serio); - fail2: serio_set_drvdata(serio, NULL); - fail1: input_free_device(input_dev); - kfree(sunkbd); - return err; -} - -/* - * sunkbd_disconnect() unregisters and closes behind us. - */ - -static void sunkbd_disconnect(struct serio *serio) -{ - struct sunkbd *sunkbd = serio_get_drvdata(serio); - - sunkbd_enable(sunkbd, false); - input_unregister_device(sunkbd->dev); - serio_close(serio); - serio_set_drvdata(serio, NULL); - kfree(sunkbd); -} - -static struct serio_device_id sunkbd_serio_ids[] = { - { - .type = SERIO_RS232, - .proto = SERIO_SUNKBD, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { - .type = SERIO_RS232, - .proto = SERIO_UNKNOWN, /* sunkbd does probe */ - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { 0 } -}; - -MODULE_DEVICE_TABLE(serio, sunkbd_serio_ids); - -static struct serio_driver sunkbd_drv = { - .driver = { - .name = "sunkbd", - }, - .description = DRIVER_DESC, - .id_table = sunkbd_serio_ids, - .interrupt = sunkbd_interrupt, - .connect = sunkbd_connect, - .disconnect = sunkbd_disconnect, -}; - -/* - * The functions for insering/removing us as a module. - */ - -static int __init sunkbd_init(void) -{ - return serio_register_driver(&sunkbd_drv); -} - -static void __exit sunkbd_exit(void) -{ - serio_unregister_driver(&sunkbd_drv); -} - -module_init(sunkbd_init); -module_exit(sunkbd_exit); |