diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/keyboard/atkbd.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/keyboard/atkbd.c | 1764 |
1 files changed, 0 insertions, 1764 deletions
diff --git a/ANDROID_3.4.5/drivers/input/keyboard/atkbd.c b/ANDROID_3.4.5/drivers/input/keyboard/atkbd.c deleted file mode 100644 index e05a2e70..00000000 --- a/ANDROID_3.4.5/drivers/input/keyboard/atkbd.c +++ /dev/null @@ -1,1764 +0,0 @@ -/* - * AT and PS/2 keyboard driver - * - * Copyright (c) 1999-2002 Vojtech Pavlik - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -/* - * This driver can handle standard AT keyboards and PS/2 keyboards in - * Translated and Raw Set 2 and Set 3, as well as AT keyboards on dumb - * input-only controllers and AT keyboards connected over a one way RS232 - * converter. - */ - -#include <linux/delay.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/input.h> -#include <linux/serio.h> -#include <linux/workqueue.h> -#include <linux/libps2.h> -#include <linux/mutex.h> -#include <linux/dmi.h> - -#define DRIVER_DESC "AT and PS/2 keyboard driver" - -MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>"); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - -static int atkbd_set = 2; -module_param_named(set, atkbd_set, int, 0); -MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)"); - -#if defined(__i386__) || defined(__x86_64__) || defined(__hppa__) -static bool atkbd_reset; -#else -static bool atkbd_reset = true; -#endif -module_param_named(reset, atkbd_reset, bool, 0); -MODULE_PARM_DESC(reset, "Reset keyboard during initialization"); - -static bool atkbd_softrepeat; -module_param_named(softrepeat, atkbd_softrepeat, bool, 0); -MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat"); - -static bool atkbd_softraw = true; -module_param_named(softraw, atkbd_softraw, bool, 0); -MODULE_PARM_DESC(softraw, "Use software generated rawmode"); - -static bool atkbd_scroll; -module_param_named(scroll, atkbd_scroll, bool, 0); -MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards"); - -static bool atkbd_extra; -module_param_named(extra, atkbd_extra, bool, 0); -MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards"); - -static bool atkbd_terminal; -module_param_named(terminal, atkbd_terminal, bool, 0); -MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2"); - -/* - * Scancode to keycode tables. These are just the default setting, and - * are loadable via a userland utility. - */ - -#define ATKBD_KEYMAP_SIZE 512 - -static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = { - -#ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES - -/* XXX: need a more general approach */ - -#include "hpps2atkbd.h" /* include the keyboard scancodes */ - -#else - 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117, - 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0, - 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183, - 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185, - 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0, - 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85, - 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0, - 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99, - - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125, - 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127, - 159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142, - 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0, - 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112, - 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0, - - 0, 0, 0, 65, 99, -#endif -}; - -static const unsigned short atkbd_set3_keycode[ATKBD_KEYMAP_SIZE] = { - - 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60, - 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62, - 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64, - 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66, - 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68, - 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70, - 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104, - 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183, - - 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0, - 0,139,172,163,165,115,152,172,166,140,160,154,113,114,167,168, - 148,149,147,140 -}; - -static const unsigned short atkbd_unxlate_table[128] = { - 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13, - 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, - 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, - 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3, - 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105, - 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63, - 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111, - 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110 -}; - -#define ATKBD_CMD_SETLEDS 0x10ed -#define ATKBD_CMD_GSCANSET 0x11f0 -#define ATKBD_CMD_SSCANSET 0x10f0 -#define ATKBD_CMD_GETID 0x02f2 -#define ATKBD_CMD_SETREP 0x10f3 -#define ATKBD_CMD_ENABLE 0x00f4 -#define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */ -#define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */ -#define ATKBD_CMD_SETALL_MB 0x00f8 /* Set all keys to give break codes */ -#define ATKBD_CMD_SETALL_MBR 0x00fa /* ... and repeat */ -#define ATKBD_CMD_RESET_BAT 0x02ff -#define ATKBD_CMD_RESEND 0x00fe -#define ATKBD_CMD_EX_ENABLE 0x10ea -#define ATKBD_CMD_EX_SETLEDS 0x20eb -#define ATKBD_CMD_OK_GETID 0x02e8 - -#define ATKBD_RET_ACK 0xfa -#define ATKBD_RET_NAK 0xfe -#define ATKBD_RET_BAT 0xaa -#define ATKBD_RET_EMUL0 0xe0 -#define ATKBD_RET_EMUL1 0xe1 -#define ATKBD_RET_RELEASE 0xf0 -#define ATKBD_RET_HANJA 0xf1 -#define ATKBD_RET_HANGEUL 0xf2 -#define ATKBD_RET_ERR 0xff - -#define ATKBD_KEY_UNKNOWN 0 -#define ATKBD_KEY_NULL 255 - -#define ATKBD_SCR_1 0xfffe -#define ATKBD_SCR_2 0xfffd -#define ATKBD_SCR_4 0xfffc -#define ATKBD_SCR_8 0xfffb -#define ATKBD_SCR_CLICK 0xfffa -#define ATKBD_SCR_LEFT 0xfff9 -#define ATKBD_SCR_RIGHT 0xfff8 - -#define ATKBD_SPECIAL ATKBD_SCR_RIGHT - -#define ATKBD_LED_EVENT_BIT 0 -#define ATKBD_REP_EVENT_BIT 1 - -#define ATKBD_XL_ERR 0x01 -#define ATKBD_XL_BAT 0x02 -#define ATKBD_XL_ACK 0x04 -#define ATKBD_XL_NAK 0x08 -#define ATKBD_XL_HANGEUL 0x10 -#define ATKBD_XL_HANJA 0x20 - -static const struct { - unsigned short keycode; - unsigned char set2; -} atkbd_scroll_keys[] = { - { ATKBD_SCR_1, 0xc5 }, - { ATKBD_SCR_2, 0x9d }, - { ATKBD_SCR_4, 0xa4 }, - { ATKBD_SCR_8, 0x9b }, - { ATKBD_SCR_CLICK, 0xe0 }, - { ATKBD_SCR_LEFT, 0xcb }, - { ATKBD_SCR_RIGHT, 0xd2 }, -}; - -/* - * The atkbd control structure - */ - -struct atkbd { - - struct ps2dev ps2dev; - struct input_dev *dev; - - /* Written only during init */ - char name[64]; - char phys[32]; - - unsigned short id; - unsigned short keycode[ATKBD_KEYMAP_SIZE]; - DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE); - unsigned char set; - bool translated; - bool extra; - bool write; - bool softrepeat; - bool softraw; - bool scroll; - bool enabled; - - /* Accessed only from interrupt */ - unsigned char emul; - bool resend; - bool release; - unsigned long xl_bit; - unsigned int last; - unsigned long time; - unsigned long err_count; - - struct delayed_work event_work; - unsigned long event_jiffies; - unsigned long event_mask; - - /* Serializes reconnect(), attr->set() and event work */ - struct mutex mutex; -}; - -/* - * System-specific keymap fixup routine - */ -static void (*atkbd_platform_fixup)(struct atkbd *, const void *data); -static void *atkbd_platform_fixup_data; -static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int); - -static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, - ssize_t (*handler)(struct atkbd *, char *)); -static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, - ssize_t (*handler)(struct atkbd *, const char *, size_t)); -#define ATKBD_DEFINE_ATTR(_name) \ -static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ -static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \ -static ssize_t atkbd_do_show_##_name(struct device *d, \ - struct device_attribute *attr, char *b) \ -{ \ - return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ -} \ -static ssize_t atkbd_do_set_##_name(struct device *d, \ - struct device_attribute *attr, const char *b, size_t s) \ -{ \ - return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \ -} \ -static struct device_attribute atkbd_attr_##_name = \ - __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name); - -ATKBD_DEFINE_ATTR(extra); -ATKBD_DEFINE_ATTR(force_release); -ATKBD_DEFINE_ATTR(scroll); -ATKBD_DEFINE_ATTR(set); -ATKBD_DEFINE_ATTR(softrepeat); -ATKBD_DEFINE_ATTR(softraw); - -#define ATKBD_DEFINE_RO_ATTR(_name) \ -static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ -static ssize_t atkbd_do_show_##_name(struct device *d, \ - struct device_attribute *attr, char *b) \ -{ \ - return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ -} \ -static struct device_attribute atkbd_attr_##_name = \ - __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL); - -ATKBD_DEFINE_RO_ATTR(err_count); - -static struct attribute *atkbd_attributes[] = { - &atkbd_attr_extra.attr, - &atkbd_attr_force_release.attr, - &atkbd_attr_scroll.attr, - &atkbd_attr_set.attr, - &atkbd_attr_softrepeat.attr, - &atkbd_attr_softraw.attr, - &atkbd_attr_err_count.attr, - NULL -}; - -static struct attribute_group atkbd_attribute_group = { - .attrs = atkbd_attributes, -}; - -static const unsigned int xl_table[] = { - ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK, - ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL, -}; - -/* - * Checks if we should mangle the scancode to extract 'release' bit - * in translated mode. - */ -static bool atkbd_need_xlate(unsigned long xl_bit, unsigned char code) -{ - int i; - - if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1) - return false; - - for (i = 0; i < ARRAY_SIZE(xl_table); i++) - if (code == xl_table[i]) - return test_bit(i, &xl_bit); - - return true; -} - -/* - * Calculates new value of xl_bit so the driver can distinguish - * between make/break pair of scancodes for select keys and PS/2 - * protocol responses. - */ -static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(xl_table); i++) { - if (!((code ^ xl_table[i]) & 0x7f)) { - if (code & 0x80) - __clear_bit(i, &atkbd->xl_bit); - else - __set_bit(i, &atkbd->xl_bit); - break; - } - } -} - -/* - * Encode the scancode, 0xe0 prefix, and high bit into a single integer, - * keeping kernel 2.4 compatibility for set 2 - */ -static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code) -{ - if (atkbd->set == 3) { - if (atkbd->emul == 1) - code |= 0x100; - } else { - code = (code & 0x7f) | ((code & 0x80) << 1); - if (atkbd->emul == 1) - code |= 0x80; - } - - return code; -} - -/* - * atkbd_interrupt(). Here takes place processing of data received from - * the keyboard into events. - */ - -static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, - unsigned int flags) -{ - struct atkbd *atkbd = serio_get_drvdata(serio); - struct input_dev *dev = atkbd->dev; - unsigned int code = data; - int scroll = 0, hscroll = 0, click = -1; - int value; - unsigned short keycode; - - dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, flags); - -#if !defined(__i386__) && !defined (__x86_64__) - if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) { - dev_warn(&serio->dev, "Frame/parity error: %02x\n", flags); - serio_write(serio, ATKBD_CMD_RESEND); - atkbd->resend = true; - goto out; - } - - if (!flags && data == ATKBD_RET_ACK) - atkbd->resend = false; -#endif - - if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK)) - if (ps2_handle_ack(&atkbd->ps2dev, data)) - goto out; - - if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD)) - if (ps2_handle_response(&atkbd->ps2dev, data)) - goto out; - - if (!atkbd->enabled) - goto out; - - input_event(dev, EV_MSC, MSC_RAW, code); - - if (atkbd_platform_scancode_fixup) - code = atkbd_platform_scancode_fixup(atkbd, code); - - if (atkbd->translated) { - - if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) { - atkbd->release = code >> 7; - code &= 0x7f; - } - - if (!atkbd->emul) - atkbd_calculate_xl_bit(atkbd, data); - } - - switch (code) { - case ATKBD_RET_BAT: - atkbd->enabled = false; - serio_reconnect(atkbd->ps2dev.serio); - goto out; - case ATKBD_RET_EMUL0: - atkbd->emul = 1; - goto out; - case ATKBD_RET_EMUL1: - atkbd->emul = 2; - goto out; - case ATKBD_RET_RELEASE: - atkbd->release = true; - goto out; - case ATKBD_RET_ACK: - case ATKBD_RET_NAK: - if (printk_ratelimit()) - dev_warn(&serio->dev, - "Spurious %s on %s. " - "Some program might be trying access hardware directly.\n", - data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); - goto out; - case ATKBD_RET_ERR: - atkbd->err_count++; - dev_dbg(&serio->dev, "Keyboard on %s reports too many keys pressed.\n", - serio->phys); - goto out; - } - - code = atkbd_compat_scancode(atkbd, code); - - if (atkbd->emul && --atkbd->emul) - goto out; - - keycode = atkbd->keycode[code]; - - if (keycode != ATKBD_KEY_NULL) - input_event(dev, EV_MSC, MSC_SCAN, code); - - switch (keycode) { - case ATKBD_KEY_NULL: - break; - case ATKBD_KEY_UNKNOWN: - dev_warn(&serio->dev, - "Unknown key %s (%s set %d, code %#x on %s).\n", - atkbd->release ? "released" : "pressed", - atkbd->translated ? "translated" : "raw", - atkbd->set, code, serio->phys); - dev_warn(&serio->dev, - "Use 'setkeycodes %s%02x <keycode>' to make it known.\n", - code & 0x80 ? "e0" : "", code & 0x7f); - input_sync(dev); - break; - case ATKBD_SCR_1: - scroll = 1; - break; - case ATKBD_SCR_2: - scroll = 2; - break; - case ATKBD_SCR_4: - scroll = 4; - break; - case ATKBD_SCR_8: - scroll = 8; - break; - case ATKBD_SCR_CLICK: - click = !atkbd->release; - break; - case ATKBD_SCR_LEFT: - hscroll = -1; - break; - case ATKBD_SCR_RIGHT: - hscroll = 1; - break; - default: - if (atkbd->release) { - value = 0; - atkbd->last = 0; - } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) { - /* Workaround Toshiba laptop multiple keypress */ - value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2; - } else { - value = 1; - atkbd->last = code; - atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2; - } - - input_event(dev, EV_KEY, keycode, value); - input_sync(dev); - - if (value && test_bit(code, atkbd->force_release_mask)) { - input_report_key(dev, keycode, 0); - input_sync(dev); - } - } - - if (atkbd->scroll) { - if (click != -1) - input_report_key(dev, BTN_MIDDLE, click); - input_report_rel(dev, REL_WHEEL, - atkbd->release ? -scroll : scroll); - input_report_rel(dev, REL_HWHEEL, hscroll); - input_sync(dev); - } - - atkbd->release = false; -out: - return IRQ_HANDLED; -} - -static int atkbd_set_repeat_rate(struct atkbd *atkbd) -{ - const short period[32] = - { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125, - 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 }; - const short delay[4] = - { 250, 500, 750, 1000 }; - - struct input_dev *dev = atkbd->dev; - unsigned char param; - int i = 0, j = 0; - - while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD]) - i++; - dev->rep[REP_PERIOD] = period[i]; - - while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY]) - j++; - dev->rep[REP_DELAY] = delay[j]; - - param = i | (j << 5); - return ps2_command(&atkbd->ps2dev, ¶m, ATKBD_CMD_SETREP); -} - -static int atkbd_set_leds(struct atkbd *atkbd) -{ - struct input_dev *dev = atkbd->dev; - unsigned char param[2]; - - param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0) - | (test_bit(LED_NUML, dev->led) ? 2 : 0) - | (test_bit(LED_CAPSL, dev->led) ? 4 : 0); - if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) - return -1; - - if (atkbd->extra) { - param[0] = 0; - param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0) - | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0) - | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0) - | (test_bit(LED_MISC, dev->led) ? 0x10 : 0) - | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0); - if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS)) - return -1; - } - - return 0; -} - -/* - * atkbd_event_work() is used to complete processing of events that - * can not be processed by input_event() which is often called from - * interrupt context. - */ - -static void atkbd_event_work(struct work_struct *work) -{ - struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work); - - mutex_lock(&atkbd->mutex); - - if (!atkbd->enabled) { - /* - * Serio ports are resumed asynchronously so while driver core - * thinks that device is already fully operational in reality - * it may not be ready yet. In this case we need to keep - * rescheduling till reconnect completes. - */ - schedule_delayed_work(&atkbd->event_work, - msecs_to_jiffies(100)); - } else { - if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) - atkbd_set_leds(atkbd); - - if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) - atkbd_set_repeat_rate(atkbd); - } - - mutex_unlock(&atkbd->mutex); -} - -/* - * Schedule switch for execution. We need to throttle requests, - * otherwise keyboard may become unresponsive. - */ -static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit) -{ - unsigned long delay = msecs_to_jiffies(50); - - if (time_after(jiffies, atkbd->event_jiffies + delay)) - delay = 0; - - atkbd->event_jiffies = jiffies; - set_bit(event_bit, &atkbd->event_mask); - mb(); - schedule_delayed_work(&atkbd->event_work, delay); -} - -/* - * Event callback from the input module. Events that change the state of - * the hardware are processed here. If action can not be performed in - * interrupt context it is offloaded to atkbd_event_work. - */ - -static int atkbd_event(struct input_dev *dev, - unsigned int type, unsigned int code, int value) -{ - struct atkbd *atkbd = input_get_drvdata(dev); - - if (!atkbd->write) - return -1; - - switch (type) { - - case EV_LED: - atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT); - return 0; - - case EV_REP: - if (!atkbd->softrepeat) - atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT); - return 0; - - default: - return -1; - } -} - -/* - * atkbd_enable() signals that interrupt handler is allowed to - * generate input events. - */ - -static inline void atkbd_enable(struct atkbd *atkbd) -{ - serio_pause_rx(atkbd->ps2dev.serio); - atkbd->enabled = true; - serio_continue_rx(atkbd->ps2dev.serio); -} - -/* - * atkbd_disable() tells input handler that all incoming data except - * for ACKs and command response should be dropped. - */ - -static inline void atkbd_disable(struct atkbd *atkbd) -{ - serio_pause_rx(atkbd->ps2dev.serio); - atkbd->enabled = false; - serio_continue_rx(atkbd->ps2dev.serio); -} - -/* - * atkbd_probe() probes for an AT keyboard on a serio port. - */ - -static int atkbd_probe(struct atkbd *atkbd) -{ - struct ps2dev *ps2dev = &atkbd->ps2dev; - unsigned char param[2]; - -/* - * Some systems, where the bit-twiddling when testing the io-lines of the - * controller may confuse the keyboard need a full reset of the keyboard. On - * these systems the BIOS also usually doesn't do it for us. - */ - - if (atkbd_reset) - if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT)) - dev_warn(&ps2dev->serio->dev, - "keyboard reset failed on %s\n", - ps2dev->serio->phys); - -/* - * Then we check the keyboard ID. We should get 0xab83 under normal conditions. - * Some keyboards report different values, but the first byte is always 0xab or - * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this - * should make sure we don't try to set the LEDs on it. - */ - - param[0] = param[1] = 0xa5; /* initialize with invalid values */ - if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) { - -/* - * If the get ID command failed, we check if we can at least set the LEDs on - * the keyboard. This should work on every keyboard out there. It also turns - * the LEDs off, which we want anyway. - */ - param[0] = 0; - if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) - return -1; - atkbd->id = 0xabba; - return 0; - } - - if (!ps2_is_keyboard_id(param[0])) - return -1; - - atkbd->id = (param[0] << 8) | param[1]; - - if (atkbd->id == 0xaca1 && atkbd->translated) { - dev_err(&ps2dev->serio->dev, - "NCD terminal keyboards are only supported on non-translating controlelrs. " - "Use i8042.direct=1 to disable translation.\n"); - return -1; - } - - return 0; -} - -/* - * atkbd_select_set checks if a keyboard has a working Set 3 support, and - * sets it into that. Unfortunately there are keyboards that can be switched - * to Set 3, but don't work well in that (BTC Multimedia ...) - */ - -static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra) -{ - struct ps2dev *ps2dev = &atkbd->ps2dev; - unsigned char param[2]; - - atkbd->extra = false; -/* - * For known special keyboards we can go ahead and set the correct set. - * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and - * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards. - */ - - if (atkbd->translated) - return 2; - - if (atkbd->id == 0xaca1) { - param[0] = 3; - ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET); - return 3; - } - - if (allow_extra) { - param[0] = 0x71; - if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) { - atkbd->extra = true; - return 2; - } - } - - if (atkbd_terminal) { - ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB); - return 3; - } - - if (target_set != 3) - return 2; - - if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) { - atkbd->id = param[0] << 8 | param[1]; - return 2; - } - - param[0] = 3; - if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) - return 2; - - param[0] = 0; - if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET)) - return 2; - - if (param[0] != 3) { - param[0] = 2; - if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) - return 2; - } - - ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR); - - return 3; -} - -static int atkbd_reset_state(struct atkbd *atkbd) -{ - struct ps2dev *ps2dev = &atkbd->ps2dev; - unsigned char param[1]; - -/* - * Set the LEDs to a predefined state (all off). - */ - - param[0] = 0; - if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) - return -1; - -/* - * Set autorepeat to fastest possible. - */ - - param[0] = 0; - if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP)) - return -1; - - return 0; -} - -static int atkbd_activate(struct atkbd *atkbd) -{ - struct ps2dev *ps2dev = &atkbd->ps2dev; - -/* - * Enable the keyboard to receive keystrokes. - */ - - if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) { - dev_err(&ps2dev->serio->dev, - "Failed to enable keyboard on %s\n", - ps2dev->serio->phys); - return -1; - } - - return 0; -} - -/* - * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a - * reboot. - */ - -static void atkbd_cleanup(struct serio *serio) -{ - struct atkbd *atkbd = serio_get_drvdata(serio); - - atkbd_disable(atkbd); - ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF); -} - - -/* - * atkbd_disconnect() closes and frees. - */ - -static void atkbd_disconnect(struct serio *serio) -{ - struct atkbd *atkbd = serio_get_drvdata(serio); - - sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); - - atkbd_disable(atkbd); - - input_unregister_device(atkbd->dev); - - /* - * Make sure we don't have a command in flight. - * Note that since atkbd->enabled is false event work will keep - * rescheduling itself until it gets canceled and will not try - * accessing freed input device or serio port. - */ - cancel_delayed_work_sync(&atkbd->event_work); - - serio_close(serio); - serio_set_drvdata(serio, NULL); - kfree(atkbd); -} - -/* - * generate release events for the keycodes given in data - */ -static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd, - const void *data) -{ - const unsigned int *keys = data; - unsigned int i; - - if (atkbd->set == 2) - for (i = 0; keys[i] != -1U; i++) - __set_bit(keys[i], atkbd->force_release_mask); -} - -/* - * Most special keys (Fn+F?) on Dell laptops do not generate release - * events so we have to do it ourselves. - */ -static unsigned int atkbd_dell_laptop_forced_release_keys[] = { - 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U -}; - -/* - * Perform fixup for HP system that doesn't generate release - * for its video switch - */ -static unsigned int atkbd_hp_forced_release_keys[] = { - 0x94, -1U -}; - -/* - * Samsung NC10,NC20 with Fn+F? key release not working - */ -static unsigned int atkbd_samsung_forced_release_keys[] = { - 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U -}; - -/* - * Amilo Pi 3525 key release for Fn+Volume keys not working - */ -static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = { - 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U -}; - -/* - * Amilo Xi 3650 key release for light touch bar not working - */ -static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = { - 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U -}; - -/* - * Soltech TA12 system with broken key release on volume keys and mute key - */ -static unsigned int atkdb_soltech_ta12_forced_release_keys[] = { - 0xa0, 0xae, 0xb0, -1U -}; - -/* - * Many notebooks don't send key release event for volume up/down - * keys, with key list below common among them - */ -static unsigned int atkbd_volume_forced_release_keys[] = { - 0xae, 0xb0, -1U -}; - -/* - * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas - * they should be generating e4-e6 (0x80 | code). - */ -static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd, - unsigned int code) -{ - if (atkbd->translated && atkbd->emul == 1 && - (code == 0x64 || code == 0x65 || code == 0x66)) { - atkbd->emul = 0; - code |= 0x80; - } - - return code; -} - -/* - * atkbd_set_keycode_table() initializes keyboard's keycode table - * according to the selected scancode set - */ - -static void atkbd_set_keycode_table(struct atkbd *atkbd) -{ - unsigned int scancode; - int i, j; - - memset(atkbd->keycode, 0, sizeof(atkbd->keycode)); - bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE); - - if (atkbd->translated) { - for (i = 0; i < 128; i++) { - scancode = atkbd_unxlate_table[i]; - atkbd->keycode[i] = atkbd_set2_keycode[scancode]; - atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80]; - if (atkbd->scroll) - for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++) - if ((scancode | 0x80) == atkbd_scroll_keys[j].set2) - atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode; - } - } else if (atkbd->set == 3) { - memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode)); - } else { - memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode)); - - if (atkbd->scroll) - for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) { - scancode = atkbd_scroll_keys[i].set2; - atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode; - } - } - -/* - * HANGEUL and HANJA keys do not send release events so we need to - * generate such events ourselves - */ - scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL); - atkbd->keycode[scancode] = KEY_HANGEUL; - __set_bit(scancode, atkbd->force_release_mask); - - scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA); - atkbd->keycode[scancode] = KEY_HANJA; - __set_bit(scancode, atkbd->force_release_mask); - -/* - * Perform additional fixups - */ - if (atkbd_platform_fixup) - atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data); -} - -/* - * atkbd_set_device_attrs() sets up keyboard's input device structure - */ - -static void atkbd_set_device_attrs(struct atkbd *atkbd) -{ - struct input_dev *input_dev = atkbd->dev; - int i; - - if (atkbd->extra) - snprintf(atkbd->name, sizeof(atkbd->name), - "AT Set 2 Extra keyboard"); - else - snprintf(atkbd->name, sizeof(atkbd->name), - "AT %s Set %d keyboard", - atkbd->translated ? "Translated" : "Raw", atkbd->set); - - snprintf(atkbd->phys, sizeof(atkbd->phys), - "%s/input0", atkbd->ps2dev.serio->phys); - - input_dev->name = atkbd->name; - input_dev->phys = atkbd->phys; - input_dev->id.bustype = BUS_I8042; - input_dev->id.vendor = 0x0001; - input_dev->id.product = atkbd->translated ? 1 : atkbd->set; - input_dev->id.version = atkbd->id; - input_dev->event = atkbd_event; - input_dev->dev.parent = &atkbd->ps2dev.serio->dev; - - input_set_drvdata(input_dev, atkbd); - - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | - BIT_MASK(EV_MSC); - - if (atkbd->write) { - input_dev->evbit[0] |= BIT_MASK(EV_LED); - input_dev->ledbit[0] = BIT_MASK(LED_NUML) | - BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL); - } - - if (atkbd->extra) - input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) | - BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) | - BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC); - - if (!atkbd->softrepeat) { - input_dev->rep[REP_DELAY] = 250; - input_dev->rep[REP_PERIOD] = 33; - } - - input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) : - BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN); - - if (atkbd->scroll) { - input_dev->evbit[0] |= BIT_MASK(EV_REL); - input_dev->relbit[0] = BIT_MASK(REL_WHEEL) | - BIT_MASK(REL_HWHEEL); - __set_bit(BTN_MIDDLE, input_dev->keybit); - } - - input_dev->keycode = atkbd->keycode; - input_dev->keycodesize = sizeof(unsigned short); - input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode); - - for (i = 0; i < ATKBD_KEYMAP_SIZE; i++) { - if (atkbd->keycode[i] != KEY_RESERVED && - atkbd->keycode[i] != ATKBD_KEY_NULL && - atkbd->keycode[i] < ATKBD_SPECIAL) { - __set_bit(atkbd->keycode[i], input_dev->keybit); - } - } -} - -/* - * atkbd_connect() is called when the serio module finds an interface - * that isn't handled yet by an appropriate device driver. We check if - * there is an AT keyboard out there and if yes, we register ourselves - * to the input module. - */ - -static int atkbd_connect(struct serio *serio, struct serio_driver *drv) -{ - struct atkbd *atkbd; - struct input_dev *dev; - int err = -ENOMEM; - - atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL); - dev = input_allocate_device(); - if (!atkbd || !dev) - goto fail1; - - atkbd->dev = dev; - ps2_init(&atkbd->ps2dev, serio); - INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work); - mutex_init(&atkbd->mutex); - - switch (serio->id.type) { - - case SERIO_8042_XL: - atkbd->translated = true; - /* Fall through */ - - case SERIO_8042: - if (serio->write) - atkbd->write = true; - break; - } - - atkbd->softraw = atkbd_softraw; - atkbd->softrepeat = atkbd_softrepeat; - atkbd->scroll = atkbd_scroll; - - if (atkbd->softrepeat) - atkbd->softraw = true; - - serio_set_drvdata(serio, atkbd); - - err = serio_open(serio, drv); - if (err) - goto fail2; - - if (atkbd->write) { - - if (atkbd_probe(atkbd)) { - err = -ENODEV; - goto fail3; - } - - atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra); - atkbd_reset_state(atkbd); - atkbd_activate(atkbd); - - } else { - atkbd->set = 2; - atkbd->id = 0xab00; - } - - atkbd_set_keycode_table(atkbd); - atkbd_set_device_attrs(atkbd); - - err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group); - if (err) - goto fail3; - - atkbd_enable(atkbd); - - err = input_register_device(atkbd->dev); - if (err) - goto fail4; - - return 0; - - fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); - fail3: serio_close(serio); - fail2: serio_set_drvdata(serio, NULL); - fail1: input_free_device(dev); - kfree(atkbd); - return err; -} - -/* - * atkbd_reconnect() tries to restore keyboard into a sane state and is - * most likely called on resume. - */ - -static int atkbd_reconnect(struct serio *serio) -{ - struct atkbd *atkbd = serio_get_drvdata(serio); - struct serio_driver *drv = serio->drv; - int retval = -1; - - if (!atkbd || !drv) { - dev_dbg(&serio->dev, - "reconnect request, but serio is disconnected, ignoring...\n"); - return -1; - } - - mutex_lock(&atkbd->mutex); - - atkbd_disable(atkbd); - - if (atkbd->write) { - if (atkbd_probe(atkbd)) - goto out; - - if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra)) - goto out; - - atkbd_activate(atkbd); - - /* - * Restore LED state and repeat rate. While input core - * will do this for us at resume time reconnect may happen - * because user requested it via sysfs or simply because - * keyboard was unplugged and plugged in again so we need - * to do it ourselves here. - */ - atkbd_set_leds(atkbd); - if (!atkbd->softrepeat) - atkbd_set_repeat_rate(atkbd); - - } - - atkbd_enable(atkbd); - retval = 0; - - out: - mutex_unlock(&atkbd->mutex); - return retval; -} - -static struct serio_device_id atkbd_serio_ids[] = { - { - .type = SERIO_8042, - .proto = SERIO_ANY, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { - .type = SERIO_8042_XL, - .proto = SERIO_ANY, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { - .type = SERIO_RS232, - .proto = SERIO_PS2SER, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { 0 } -}; - -MODULE_DEVICE_TABLE(serio, atkbd_serio_ids); - -static struct serio_driver atkbd_drv = { - .driver = { - .name = "atkbd", - }, - .description = DRIVER_DESC, - .id_table = atkbd_serio_ids, - .interrupt = atkbd_interrupt, - .connect = atkbd_connect, - .reconnect = atkbd_reconnect, - .disconnect = atkbd_disconnect, - .cleanup = atkbd_cleanup, -}; - -static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, - ssize_t (*handler)(struct atkbd *, char *)) -{ - struct serio *serio = to_serio_port(dev); - struct atkbd *atkbd = serio_get_drvdata(serio); - - return handler(atkbd, buf); -} - -static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, - ssize_t (*handler)(struct atkbd *, const char *, size_t)) -{ - struct serio *serio = to_serio_port(dev); - struct atkbd *atkbd = serio_get_drvdata(serio); - int retval; - - retval = mutex_lock_interruptible(&atkbd->mutex); - if (retval) - return retval; - - atkbd_disable(atkbd); - retval = handler(atkbd, buf, count); - atkbd_enable(atkbd); - - mutex_unlock(&atkbd->mutex); - - return retval; -} - -static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf) -{ - return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0); -} - -static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count) -{ - struct input_dev *old_dev, *new_dev; - unsigned int value; - int err; - bool old_extra; - unsigned char old_set; - - if (!atkbd->write) - return -EIO; - - err = kstrtouint(buf, 10, &value); - if (err) - return err; - - if (value > 1) - return -EINVAL; - - if (atkbd->extra != value) { - /* - * Since device's properties will change we need to - * unregister old device. But allocate and register - * new one first to make sure we have it. - */ - old_dev = atkbd->dev; - old_extra = atkbd->extra; - old_set = atkbd->set; - - new_dev = input_allocate_device(); - if (!new_dev) - return -ENOMEM; - - atkbd->dev = new_dev; - atkbd->set = atkbd_select_set(atkbd, atkbd->set, value); - atkbd_reset_state(atkbd); - atkbd_activate(atkbd); - atkbd_set_keycode_table(atkbd); - atkbd_set_device_attrs(atkbd); - - err = input_register_device(atkbd->dev); - if (err) { - input_free_device(new_dev); - - atkbd->dev = old_dev; - atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); - atkbd_set_keycode_table(atkbd); - atkbd_set_device_attrs(atkbd); - - return err; - } - input_unregister_device(old_dev); - - } - return count; -} - -static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf) -{ - size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2, - atkbd->force_release_mask, ATKBD_KEYMAP_SIZE); - - buf[len++] = '\n'; - buf[len] = '\0'; - - return len; -} - -static ssize_t atkbd_set_force_release(struct atkbd *atkbd, - const char *buf, size_t count) -{ - /* 64 bytes on stack should be acceptable */ - DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE); - int err; - - err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE); - if (err) - return err; - - memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask)); - return count; -} - - -static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) -{ - return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0); -} - -static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count) -{ - struct input_dev *old_dev, *new_dev; - unsigned int value; - int err; - bool old_scroll; - - err = kstrtouint(buf, 10, &value); - if (err) - return err; - - if (value > 1) - return -EINVAL; - - if (atkbd->scroll != value) { - old_dev = atkbd->dev; - old_scroll = atkbd->scroll; - - new_dev = input_allocate_device(); - if (!new_dev) - return -ENOMEM; - - atkbd->dev = new_dev; - atkbd->scroll = value; - atkbd_set_keycode_table(atkbd); - atkbd_set_device_attrs(atkbd); - - err = input_register_device(atkbd->dev); - if (err) { - input_free_device(new_dev); - - atkbd->scroll = old_scroll; - atkbd->dev = old_dev; - atkbd_set_keycode_table(atkbd); - atkbd_set_device_attrs(atkbd); - - return err; - } - input_unregister_device(old_dev); - } - return count; -} - -static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf) -{ - return sprintf(buf, "%d\n", atkbd->set); -} - -static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) -{ - struct input_dev *old_dev, *new_dev; - unsigned int value; - int err; - unsigned char old_set; - bool old_extra; - - if (!atkbd->write) - return -EIO; - - err = kstrtouint(buf, 10, &value); - if (err) - return err; - - if (value != 2 && value != 3) - return -EINVAL; - - if (atkbd->set != value) { - old_dev = atkbd->dev; - old_extra = atkbd->extra; - old_set = atkbd->set; - - new_dev = input_allocate_device(); - if (!new_dev) - return -ENOMEM; - - atkbd->dev = new_dev; - atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); - atkbd_reset_state(atkbd); - atkbd_activate(atkbd); - atkbd_set_keycode_table(atkbd); - atkbd_set_device_attrs(atkbd); - - err = input_register_device(atkbd->dev); - if (err) { - input_free_device(new_dev); - - atkbd->dev = old_dev; - atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); - atkbd_set_keycode_table(atkbd); - atkbd_set_device_attrs(atkbd); - - return err; - } - input_unregister_device(old_dev); - } - return count; -} - -static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf) -{ - return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0); -} - -static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count) -{ - struct input_dev *old_dev, *new_dev; - unsigned int value; - int err; - bool old_softrepeat, old_softraw; - - if (!atkbd->write) - return -EIO; - - err = kstrtouint(buf, 10, &value); - if (err) - return err; - - if (value > 1) - return -EINVAL; - - if (atkbd->softrepeat != value) { - old_dev = atkbd->dev; - old_softrepeat = atkbd->softrepeat; - old_softraw = atkbd->softraw; - - new_dev = input_allocate_device(); - if (!new_dev) - return -ENOMEM; - - atkbd->dev = new_dev; - atkbd->softrepeat = value; - if (atkbd->softrepeat) - atkbd->softraw = true; - atkbd_set_device_attrs(atkbd); - - err = input_register_device(atkbd->dev); - if (err) { - input_free_device(new_dev); - - atkbd->dev = old_dev; - atkbd->softrepeat = old_softrepeat; - atkbd->softraw = old_softraw; - atkbd_set_device_attrs(atkbd); - - return err; - } - input_unregister_device(old_dev); - } - return count; -} - - -static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf) -{ - return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0); -} - -static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count) -{ - struct input_dev *old_dev, *new_dev; - unsigned int value; - int err; - bool old_softraw; - - err = kstrtouint(buf, 10, &value); - if (err) - return err; - - if (value > 1) - return -EINVAL; - - if (atkbd->softraw != value) { - old_dev = atkbd->dev; - old_softraw = atkbd->softraw; - - new_dev = input_allocate_device(); - if (!new_dev) - return -ENOMEM; - - atkbd->dev = new_dev; - atkbd->softraw = value; - atkbd_set_device_attrs(atkbd); - - err = input_register_device(atkbd->dev); - if (err) { - input_free_device(new_dev); - - atkbd->dev = old_dev; - atkbd->softraw = old_softraw; - atkbd_set_device_attrs(atkbd); - - return err; - } - input_unregister_device(old_dev); - } - return count; -} - -static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf) -{ - return sprintf(buf, "%lu\n", atkbd->err_count); -} - -static int __init atkbd_setup_forced_release(const struct dmi_system_id *id) -{ - atkbd_platform_fixup = atkbd_apply_forced_release_keylist; - atkbd_platform_fixup_data = id->driver_data; - - return 1; -} - -static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id) -{ - atkbd_platform_scancode_fixup = id->driver_data; - - return 1; -} - -static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = { - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_dell_laptop_forced_release_keys, - }, - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), - DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_dell_laptop_forced_release_keys, - }, - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_hp_forced_release_keys, - }, - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_volume_forced_release_keys, - }, - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_volume_forced_release_keys, - }, - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_volume_forced_release_keys, - }, - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_volume_forced_release_keys, - }, - { - /* Inventec Symphony */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"), - DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_volume_forced_release_keys, - }, - { - /* Samsung NC10 */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), - DMI_MATCH(DMI_PRODUCT_NAME, "NC10"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_samsung_forced_release_keys, - }, - { - /* Samsung NC20 */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), - DMI_MATCH(DMI_PRODUCT_NAME, "NC20"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_samsung_forced_release_keys, - }, - { - /* Samsung SQ45S70S */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), - DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_samsung_forced_release_keys, - }, - { - /* Fujitsu Amilo PA 1510 */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_volume_forced_release_keys, - }, - { - /* Fujitsu Amilo Pi 3525 */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_amilo_pi3525_forced_release_keys, - }, - { - /* Fujitsu Amilo Xi 3650 */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkbd_amilo_xi3650_forced_release_keys, - }, - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "TA12"), - }, - .callback = atkbd_setup_forced_release, - .driver_data = atkdb_soltech_ta12_forced_release_keys, - }, - { - /* OQO Model 01+ */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "OQO"), - DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"), - }, - .callback = atkbd_setup_scancode_fixup, - .driver_data = atkbd_oqo_01plus_scancode_fixup, - }, - { } -}; - -static int __init atkbd_init(void) -{ - dmi_check_system(atkbd_dmi_quirk_table); - - return serio_register_driver(&atkbd_drv); -} - -static void __exit atkbd_exit(void) -{ - serio_unregister_driver(&atkbd_drv); -} - -module_init(atkbd_init); -module_exit(atkbd_exit); |