diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/keyboard/lkkbd.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/keyboard/lkkbd.c | 749 |
1 files changed, 0 insertions, 749 deletions
diff --git a/ANDROID_3.4.5/drivers/input/keyboard/lkkbd.c b/ANDROID_3.4.5/drivers/input/keyboard/lkkbd.c deleted file mode 100644 index fa9bb6d2..00000000 --- a/ANDROID_3.4.5/drivers/input/keyboard/lkkbd.c +++ /dev/null @@ -1,749 +0,0 @@ -/* - * Copyright (C) 2004 by Jan-Benedict Glaw <jbglaw@lug-owl.de> - */ - -/* - * LK keyboard driver for Linux, based on sunkbd.c (C) by Vojtech Pavlik - */ - -/* - * DEC LK201 and LK401 keyboard driver for Linux (primary for DECstations - * and VAXstations, but can also be used on any standard RS232 with an - * adaptor). - * - * DISCLAIMER: This works for _me_. If you break anything by using the - * information given below, I will _not_ be liable! - * - * RJ10 pinout: To DE9: Or DB25: - * 1 - RxD <----> Pin 3 (TxD) <-> Pin 2 (TxD) - * 2 - GND <----> Pin 5 (GND) <-> Pin 7 (GND) - * 4 - TxD <----> Pin 2 (RxD) <-> Pin 3 (RxD) - * 3 - +12V (from HDD drive connector), DON'T connect to DE9 or DB25!!! - * - * Pin numbers for DE9 and DB25 are noted on the plug (quite small:). For - * RJ10, it's like this: - * - * __=__ Hold the plug in front of you, cable downwards, - * /___/| nose is hidden behind the plug. Now, pin 1 is at - * |1234|| the left side, pin 4 at the right and 2 and 3 are - * |IIII|| in between, of course:) - * | || - * |____|/ - * || So the adaptor consists of three connected cables - * || for data transmission (RxD and TxD) and signal ground. - * Additionally, you have to get +12V from somewhere. - * Most easily, you'll get that from a floppy or HDD power connector. - * It's the yellow cable there (black is ground and red is +5V). - * - * The keyboard and all the commands it understands are documented in - * "VCB02 Video Subsystem - Technical Manual", EK-104AA-TM-001. This - * document is LK201 specific, but LK401 is mostly compatible. It comes - * up in LK201 mode and doesn't report any of the additional keys it - * has. These need to be switched on with the LK_CMD_ENABLE_LK401 - * command. You'll find this document (scanned .pdf file) on MANX, - * a search engine specific to DEC documentation. Try - * http://www.vt100.net/manx/details?pn=EK-104AA-TM-001;id=21;cp=1 - */ - -/* - * 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/delay.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 "LK keyboard driver" - -MODULE_AUTHOR("Jan-Benedict Glaw <jbglaw@lug-owl.de>"); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - -/* - * Known parameters: - * bell_volume - * keyclick_volume - * ctrlclick_volume - * - * Please notice that there's not yet an API to set these at runtime. - */ -static int bell_volume = 100; /* % */ -module_param(bell_volume, int, 0); -MODULE_PARM_DESC(bell_volume, "Bell volume (in %). default is 100%"); - -static int keyclick_volume = 100; /* % */ -module_param(keyclick_volume, int, 0); -MODULE_PARM_DESC(keyclick_volume, "Keyclick volume (in %), default is 100%"); - -static int ctrlclick_volume = 100; /* % */ -module_param(ctrlclick_volume, int, 0); -MODULE_PARM_DESC(ctrlclick_volume, "Ctrlclick volume (in %), default is 100%"); - -static int lk201_compose_is_alt; -module_param(lk201_compose_is_alt, int, 0); -MODULE_PARM_DESC(lk201_compose_is_alt, - "If set non-zero, LK201' Compose key will act as an Alt key"); - - - -#undef LKKBD_DEBUG -#ifdef LKKBD_DEBUG -#define DBG(x...) printk(x) -#else -#define DBG(x...) do {} while (0) -#endif - -/* LED control */ -#define LK_LED_WAIT 0x81 -#define LK_LED_COMPOSE 0x82 -#define LK_LED_SHIFTLOCK 0x84 -#define LK_LED_SCROLLLOCK 0x88 -#define LK_CMD_LED_ON 0x13 -#define LK_CMD_LED_OFF 0x11 - -/* Mode control */ -#define LK_MODE_DOWN 0x80 -#define LK_MODE_AUTODOWN 0x82 -#define LK_MODE_UPDOWN 0x86 -#define LK_CMD_SET_MODE(mode, div) ((mode) | ((div) << 3)) - -/* Misc commands */ -#define LK_CMD_ENABLE_KEYCLICK 0x1b -#define LK_CMD_DISABLE_KEYCLICK 0x99 -#define LK_CMD_DISABLE_BELL 0xa1 -#define LK_CMD_SOUND_BELL 0xa7 -#define LK_CMD_ENABLE_BELL 0x23 -#define LK_CMD_DISABLE_CTRCLICK 0xb9 -#define LK_CMD_ENABLE_CTRCLICK 0xbb -#define LK_CMD_SET_DEFAULTS 0xd3 -#define LK_CMD_POWERCYCLE_RESET 0xfd -#define LK_CMD_ENABLE_LK401 0xe9 -#define LK_CMD_REQUEST_ID 0xab - -/* Misc responses from keyboard */ -#define LK_STUCK_KEY 0x3d -#define LK_SELFTEST_FAILED 0x3e -#define LK_ALL_KEYS_UP 0xb3 -#define LK_METRONOME 0xb4 -#define LK_OUTPUT_ERROR 0xb5 -#define LK_INPUT_ERROR 0xb6 -#define LK_KBD_LOCKED 0xb7 -#define LK_KBD_TEST_MODE_ACK 0xb8 -#define LK_PREFIX_KEY_DOWN 0xb9 -#define LK_MODE_CHANGE_ACK 0xba -#define LK_RESPONSE_RESERVED 0xbb - -#define LK_NUM_KEYCODES 256 -#define LK_NUM_IGNORE_BYTES 6 - -static unsigned short lkkbd_keycode[LK_NUM_KEYCODES] = { - [0x56] = KEY_F1, - [0x57] = KEY_F2, - [0x58] = KEY_F3, - [0x59] = KEY_F4, - [0x5a] = KEY_F5, - [0x64] = KEY_F6, - [0x65] = KEY_F7, - [0x66] = KEY_F8, - [0x67] = KEY_F9, - [0x68] = KEY_F10, - [0x71] = KEY_F11, - [0x72] = KEY_F12, - [0x73] = KEY_F13, - [0x74] = KEY_F14, - [0x7c] = KEY_F15, - [0x7d] = KEY_F16, - [0x80] = KEY_F17, - [0x81] = KEY_F18, - [0x82] = KEY_F19, - [0x83] = KEY_F20, - [0x8a] = KEY_FIND, - [0x8b] = KEY_INSERT, - [0x8c] = KEY_DELETE, - [0x8d] = KEY_SELECT, - [0x8e] = KEY_PAGEUP, - [0x8f] = KEY_PAGEDOWN, - [0x92] = KEY_KP0, - [0x94] = KEY_KPDOT, - [0x95] = KEY_KPENTER, - [0x96] = KEY_KP1, - [0x97] = KEY_KP2, - [0x98] = KEY_KP3, - [0x99] = KEY_KP4, - [0x9a] = KEY_KP5, - [0x9b] = KEY_KP6, - [0x9c] = KEY_KPCOMMA, - [0x9d] = KEY_KP7, - [0x9e] = KEY_KP8, - [0x9f] = KEY_KP9, - [0xa0] = KEY_KPMINUS, - [0xa1] = KEY_PROG1, - [0xa2] = KEY_PROG2, - [0xa3] = KEY_PROG3, - [0xa4] = KEY_PROG4, - [0xa7] = KEY_LEFT, - [0xa8] = KEY_RIGHT, - [0xa9] = KEY_DOWN, - [0xaa] = KEY_UP, - [0xab] = KEY_RIGHTSHIFT, - [0xac] = KEY_LEFTALT, - [0xad] = KEY_COMPOSE, /* Right Compose, that is. */ - [0xae] = KEY_LEFTSHIFT, /* Same as KEY_RIGHTSHIFT on LK201 */ - [0xaf] = KEY_LEFTCTRL, - [0xb0] = KEY_CAPSLOCK, - [0xb1] = KEY_COMPOSE, /* Left Compose, that is. */ - [0xb2] = KEY_RIGHTALT, - [0xbc] = KEY_BACKSPACE, - [0xbd] = KEY_ENTER, - [0xbe] = KEY_TAB, - [0xbf] = KEY_ESC, - [0xc0] = KEY_1, - [0xc1] = KEY_Q, - [0xc2] = KEY_A, - [0xc3] = KEY_Z, - [0xc5] = KEY_2, - [0xc6] = KEY_W, - [0xc7] = KEY_S, - [0xc8] = KEY_X, - [0xc9] = KEY_102ND, - [0xcb] = KEY_3, - [0xcc] = KEY_E, - [0xcd] = KEY_D, - [0xce] = KEY_C, - [0xd0] = KEY_4, - [0xd1] = KEY_R, - [0xd2] = KEY_F, - [0xd3] = KEY_V, - [0xd4] = KEY_SPACE, - [0xd6] = KEY_5, - [0xd7] = KEY_T, - [0xd8] = KEY_G, - [0xd9] = KEY_B, - [0xdb] = KEY_6, - [0xdc] = KEY_Y, - [0xdd] = KEY_H, - [0xde] = KEY_N, - [0xe0] = KEY_7, - [0xe1] = KEY_U, - [0xe2] = KEY_J, - [0xe3] = KEY_M, - [0xe5] = KEY_8, - [0xe6] = KEY_I, - [0xe7] = KEY_K, - [0xe8] = KEY_COMMA, - [0xea] = KEY_9, - [0xeb] = KEY_O, - [0xec] = KEY_L, - [0xed] = KEY_DOT, - [0xef] = KEY_0, - [0xf0] = KEY_P, - [0xf2] = KEY_SEMICOLON, - [0xf3] = KEY_SLASH, - [0xf5] = KEY_EQUAL, - [0xf6] = KEY_RIGHTBRACE, - [0xf7] = KEY_BACKSLASH, - [0xf9] = KEY_MINUS, - [0xfa] = KEY_LEFTBRACE, - [0xfb] = KEY_APOSTROPHE, -}; - -#define CHECK_LED(LK, VAR_ON, VAR_OFF, LED, BITS) do { \ - if (test_bit(LED, (LK)->dev->led)) \ - VAR_ON |= BITS; \ - else \ - VAR_OFF |= BITS; \ - } while (0) - -/* - * Per-keyboard data - */ -struct lkkbd { - unsigned short keycode[LK_NUM_KEYCODES]; - int ignore_bytes; - unsigned char id[LK_NUM_IGNORE_BYTES]; - struct input_dev *dev; - struct serio *serio; - struct work_struct tq; - char name[64]; - char phys[32]; - char type; - int bell_volume; - int keyclick_volume; - int ctrlclick_volume; -}; - -#ifdef LKKBD_DEBUG -/* - * Responses from the keyboard and mapping back to their names. - */ -static struct { - unsigned char value; - unsigned char *name; -} lk_response[] = { -#define RESPONSE(x) { .value = (x), .name = #x, } - RESPONSE(LK_STUCK_KEY), - RESPONSE(LK_SELFTEST_FAILED), - RESPONSE(LK_ALL_KEYS_UP), - RESPONSE(LK_METRONOME), - RESPONSE(LK_OUTPUT_ERROR), - RESPONSE(LK_INPUT_ERROR), - RESPONSE(LK_KBD_LOCKED), - RESPONSE(LK_KBD_TEST_MODE_ACK), - RESPONSE(LK_PREFIX_KEY_DOWN), - RESPONSE(LK_MODE_CHANGE_ACK), - RESPONSE(LK_RESPONSE_RESERVED), -#undef RESPONSE -}; - -static unsigned char *response_name(unsigned char value) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(lk_response); i++) - if (lk_response[i].value == value) - return lk_response[i].name; - - return "<unknown>"; -} -#endif /* LKKBD_DEBUG */ - -/* - * Calculate volume parameter byte for a given volume. - */ -static unsigned char volume_to_hw(int volume_percent) -{ - unsigned char ret = 0; - - if (volume_percent < 0) - volume_percent = 0; - if (volume_percent > 100) - volume_percent = 100; - - if (volume_percent >= 0) - ret = 7; - if (volume_percent >= 13) /* 12.5 */ - ret = 6; - if (volume_percent >= 25) - ret = 5; - if (volume_percent >= 38) /* 37.5 */ - ret = 4; - if (volume_percent >= 50) - ret = 3; - if (volume_percent >= 63) /* 62.5 */ - ret = 2; /* This is the default volume */ - if (volume_percent >= 75) - ret = 1; - if (volume_percent >= 88) /* 87.5 */ - ret = 0; - - ret |= 0x80; - - return ret; -} - -static void lkkbd_detection_done(struct lkkbd *lk) -{ - int i; - - /* - * Reset setting for Compose key. Let Compose be KEY_COMPOSE. - */ - lk->keycode[0xb1] = KEY_COMPOSE; - - /* - * Print keyboard name and modify Compose=Alt on user's request. - */ - switch (lk->id[4]) { - case 1: - strlcpy(lk->name, "DEC LK201 keyboard", sizeof(lk->name)); - - if (lk201_compose_is_alt) - lk->keycode[0xb1] = KEY_LEFTALT; - break; - - case 2: - strlcpy(lk->name, "DEC LK401 keyboard", sizeof(lk->name)); - break; - - default: - strlcpy(lk->name, "Unknown DEC keyboard", sizeof(lk->name)); - printk(KERN_ERR - "lkkbd: keyboard on %s is unknown, please report to " - "Jan-Benedict Glaw <jbglaw@lug-owl.de>\n", lk->phys); - printk(KERN_ERR "lkkbd: keyboard ID'ed as:"); - for (i = 0; i < LK_NUM_IGNORE_BYTES; i++) - printk(" 0x%02x", lk->id[i]); - printk("\n"); - break; - } - - printk(KERN_INFO "lkkbd: keyboard on %s identified as: %s\n", - lk->phys, lk->name); - - /* - * Report errors during keyboard boot-up. - */ - switch (lk->id[2]) { - case 0x00: - /* All okay */ - break; - - case LK_STUCK_KEY: - printk(KERN_ERR "lkkbd: Stuck key on keyboard at %s\n", - lk->phys); - break; - - case LK_SELFTEST_FAILED: - printk(KERN_ERR - "lkkbd: Selftest failed on keyboard at %s, " - "keyboard may not work properly\n", lk->phys); - break; - - default: - printk(KERN_ERR - "lkkbd: Unknown error %02x on keyboard at %s\n", - lk->id[2], lk->phys); - break; - } - - /* - * Try to hint user if there's a stuck key. - */ - if (lk->id[2] == LK_STUCK_KEY && lk->id[3] != 0) - printk(KERN_ERR - "Scancode of stuck key is 0x%02x, keycode is 0x%04x\n", - lk->id[3], lk->keycode[lk->id[3]]); -} - -/* - * lkkbd_interrupt() is called by the low level driver when a character - * is received. - */ -static irqreturn_t lkkbd_interrupt(struct serio *serio, - unsigned char data, unsigned int flags) -{ - struct lkkbd *lk = serio_get_drvdata(serio); - struct input_dev *input_dev = lk->dev; - unsigned int keycode; - int i; - - DBG(KERN_INFO "Got byte 0x%02x\n", data); - - if (lk->ignore_bytes > 0) { - DBG(KERN_INFO "Ignoring a byte on %s\n", lk->name); - lk->id[LK_NUM_IGNORE_BYTES - lk->ignore_bytes--] = data; - - if (lk->ignore_bytes == 0) - lkkbd_detection_done(lk); - - return IRQ_HANDLED; - } - - switch (data) { - case LK_ALL_KEYS_UP: - for (i = 0; i < ARRAY_SIZE(lkkbd_keycode); i++) - input_report_key(input_dev, lk->keycode[i], 0); - input_sync(input_dev); - break; - - case 0x01: - DBG(KERN_INFO "Got 0x01, scheduling re-initialization\n"); - lk->ignore_bytes = LK_NUM_IGNORE_BYTES; - lk->id[LK_NUM_IGNORE_BYTES - lk->ignore_bytes--] = data; - schedule_work(&lk->tq); - break; - - case LK_METRONOME: - case LK_OUTPUT_ERROR: - case LK_INPUT_ERROR: - case LK_KBD_LOCKED: - case LK_KBD_TEST_MODE_ACK: - case LK_PREFIX_KEY_DOWN: - case LK_MODE_CHANGE_ACK: - case LK_RESPONSE_RESERVED: - DBG(KERN_INFO "Got %s and don't know how to handle...\n", - response_name(data)); - break; - - default: - keycode = lk->keycode[data]; - if (keycode != KEY_RESERVED) { - input_report_key(input_dev, keycode, - !test_bit(keycode, input_dev->key)); - input_sync(input_dev); - } else { - printk(KERN_WARNING - "%s: Unknown key with scancode 0x%02x on %s.\n", - __FILE__, data, lk->name); - } - } - - return IRQ_HANDLED; -} - -static void lkkbd_toggle_leds(struct lkkbd *lk) -{ - struct serio *serio = lk->serio; - unsigned char leds_on = 0; - unsigned char leds_off = 0; - - CHECK_LED(lk, leds_on, leds_off, LED_CAPSL, LK_LED_SHIFTLOCK); - CHECK_LED(lk, leds_on, leds_off, LED_COMPOSE, LK_LED_COMPOSE); - CHECK_LED(lk, leds_on, leds_off, LED_SCROLLL, LK_LED_SCROLLLOCK); - CHECK_LED(lk, leds_on, leds_off, LED_SLEEP, LK_LED_WAIT); - if (leds_on != 0) { - serio_write(serio, LK_CMD_LED_ON); - serio_write(serio, leds_on); - } - if (leds_off != 0) { - serio_write(serio, LK_CMD_LED_OFF); - serio_write(serio, leds_off); - } -} - -static void lkkbd_toggle_keyclick(struct lkkbd *lk, bool on) -{ - struct serio *serio = lk->serio; - - if (on) { - DBG("%s: Activating key clicks\n", __func__); - serio_write(serio, LK_CMD_ENABLE_KEYCLICK); - serio_write(serio, volume_to_hw(lk->keyclick_volume)); - serio_write(serio, LK_CMD_ENABLE_CTRCLICK); - serio_write(serio, volume_to_hw(lk->ctrlclick_volume)); - } else { - DBG("%s: Deactivating key clicks\n", __func__); - serio_write(serio, LK_CMD_DISABLE_KEYCLICK); - serio_write(serio, LK_CMD_DISABLE_CTRCLICK); - } - -} - -/* - * lkkbd_event() handles events from the input module. - */ -static int lkkbd_event(struct input_dev *dev, - unsigned int type, unsigned int code, int value) -{ - struct lkkbd *lk = input_get_drvdata(dev); - - switch (type) { - case EV_LED: - lkkbd_toggle_leds(lk); - return 0; - - case EV_SND: - switch (code) { - case SND_CLICK: - lkkbd_toggle_keyclick(lk, value); - return 0; - - case SND_BELL: - if (value != 0) - serio_write(lk->serio, LK_CMD_SOUND_BELL); - - return 0; - } - - break; - - default: - printk(KERN_ERR "%s(): Got unknown type %d, code %d, value %d\n", - __func__, type, code, value); - } - - return -1; -} - -/* - * lkkbd_reinit() sets leds and beeps to a state the computer remembers they - * were in. - */ -static void lkkbd_reinit(struct work_struct *work) -{ - struct lkkbd *lk = container_of(work, struct lkkbd, tq); - int division; - - /* Ask for ID */ - serio_write(lk->serio, LK_CMD_REQUEST_ID); - - /* Reset parameters */ - serio_write(lk->serio, LK_CMD_SET_DEFAULTS); - - /* Set LEDs */ - lkkbd_toggle_leds(lk); - - /* - * Try to activate extended LK401 mode. This command will - * only work with a LK401 keyboard and grants access to - * LAlt, RAlt, RCompose and RShift. - */ - serio_write(lk->serio, LK_CMD_ENABLE_LK401); - - /* Set all keys to UPDOWN mode */ - for (division = 1; division <= 14; division++) - serio_write(lk->serio, - LK_CMD_SET_MODE(LK_MODE_UPDOWN, division)); - - /* Enable bell and set volume */ - serio_write(lk->serio, LK_CMD_ENABLE_BELL); - serio_write(lk->serio, volume_to_hw(lk->bell_volume)); - - /* Enable/disable keyclick (and possibly set volume) */ - lkkbd_toggle_keyclick(lk, test_bit(SND_CLICK, lk->dev->snd)); - - /* Sound the bell if needed */ - if (test_bit(SND_BELL, lk->dev->snd)) - serio_write(lk->serio, LK_CMD_SOUND_BELL); -} - -/* - * lkkbd_connect() probes for a LK keyboard and fills the necessary structures. - */ -static int lkkbd_connect(struct serio *serio, struct serio_driver *drv) -{ - struct lkkbd *lk; - struct input_dev *input_dev; - int i; - int err; - - lk = kzalloc(sizeof(struct lkkbd), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!lk || !input_dev) { - err = -ENOMEM; - goto fail1; - } - - lk->serio = serio; - lk->dev = input_dev; - INIT_WORK(&lk->tq, lkkbd_reinit); - lk->bell_volume = bell_volume; - lk->keyclick_volume = keyclick_volume; - lk->ctrlclick_volume = ctrlclick_volume; - memcpy(lk->keycode, lkkbd_keycode, sizeof(lk->keycode)); - - strlcpy(lk->name, "DEC LK keyboard", sizeof(lk->name)); - snprintf(lk->phys, sizeof(lk->phys), "%s/input0", serio->phys); - - input_dev->name = lk->name; - input_dev->phys = lk->phys; - input_dev->id.bustype = BUS_RS232; - input_dev->id.vendor = SERIO_LKKBD; - input_dev->id.product = 0; - input_dev->id.version = 0x0100; - input_dev->dev.parent = &serio->dev; - input_dev->event = lkkbd_event; - - input_set_drvdata(input_dev, lk); - - __set_bit(EV_KEY, input_dev->evbit); - __set_bit(EV_LED, input_dev->evbit); - __set_bit(EV_SND, input_dev->evbit); - __set_bit(EV_REP, input_dev->evbit); - __set_bit(LED_CAPSL, input_dev->ledbit); - __set_bit(LED_SLEEP, input_dev->ledbit); - __set_bit(LED_COMPOSE, input_dev->ledbit); - __set_bit(LED_SCROLLL, input_dev->ledbit); - __set_bit(SND_BELL, input_dev->sndbit); - __set_bit(SND_CLICK, input_dev->sndbit); - - input_dev->keycode = lk->keycode; - input_dev->keycodesize = sizeof(lk->keycode[0]); - input_dev->keycodemax = ARRAY_SIZE(lk->keycode); - - for (i = 0; i < LK_NUM_KEYCODES; i++) - __set_bit(lk->keycode[i], input_dev->keybit); - __clear_bit(KEY_RESERVED, input_dev->keybit); - - serio_set_drvdata(serio, lk); - - err = serio_open(serio, drv); - if (err) - goto fail2; - - err = input_register_device(lk->dev); - if (err) - goto fail3; - - serio_write(lk->serio, LK_CMD_POWERCYCLE_RESET); - - return 0; - - fail3: serio_close(serio); - fail2: serio_set_drvdata(serio, NULL); - fail1: input_free_device(input_dev); - kfree(lk); - return err; -} - -/* - * lkkbd_disconnect() unregisters and closes behind us. - */ -static void lkkbd_disconnect(struct serio *serio) -{ - struct lkkbd *lk = serio_get_drvdata(serio); - - input_get_device(lk->dev); - input_unregister_device(lk->dev); - serio_close(serio); - serio_set_drvdata(serio, NULL); - input_put_device(lk->dev); - kfree(lk); -} - -static struct serio_device_id lkkbd_serio_ids[] = { - { - .type = SERIO_RS232, - .proto = SERIO_LKKBD, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { 0 } -}; - -MODULE_DEVICE_TABLE(serio, lkkbd_serio_ids); - -static struct serio_driver lkkbd_drv = { - .driver = { - .name = "lkkbd", - }, - .description = DRIVER_DESC, - .id_table = lkkbd_serio_ids, - .connect = lkkbd_connect, - .disconnect = lkkbd_disconnect, - .interrupt = lkkbd_interrupt, -}; - -/* - * The functions for insering/removing us as a module. - */ -static int __init lkkbd_init(void) -{ - return serio_register_driver(&lkkbd_drv); -} - -static void __exit lkkbd_exit(void) -{ - serio_unregister_driver(&lkkbd_drv); -} - -module_init(lkkbd_init); -module_exit(lkkbd_exit); - |