Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * AT and PS/2 keyboard driver |
| 3 | * |
| 4 | * Copyright (c) 1999-2002 Vojtech Pavlik |
| 5 | */ |
| 6 | |
| 7 | /* |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License version 2 as published by |
| 10 | * the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | /* |
| 14 | * This driver can handle standard AT keyboards and PS/2 keyboards in |
| 15 | * Translated and Raw Set 2 and Set 3, as well as AT keyboards on dumb |
| 16 | * input-only controllers and AT keyboards connected over a one way RS232 |
| 17 | * converter. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/delay.h> |
| 21 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/slab.h> |
| 23 | #include <linux/interrupt.h> |
| 24 | #include <linux/init.h> |
| 25 | #include <linux/input.h> |
| 26 | #include <linux/serio.h> |
| 27 | #include <linux/workqueue.h> |
| 28 | #include <linux/libps2.h> |
Ingo Molnar | 33d3f07 | 2006-02-19 00:22:18 -0500 | [diff] [blame] | 29 | #include <linux/mutex.h> |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 30 | #include <linux/dmi.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | |
| 32 | #define DRIVER_DESC "AT and PS/2 keyboard driver" |
| 33 | |
| 34 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>"); |
| 35 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 36 | MODULE_LICENSE("GPL"); |
| 37 | |
| 38 | static int atkbd_set = 2; |
| 39 | module_param_named(set, atkbd_set, int, 0); |
| 40 | MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)"); |
| 41 | |
| 42 | #if defined(__i386__) || defined(__x86_64__) || defined(__hppa__) |
| 43 | static int atkbd_reset; |
| 44 | #else |
| 45 | static int atkbd_reset = 1; |
| 46 | #endif |
| 47 | module_param_named(reset, atkbd_reset, bool, 0); |
| 48 | MODULE_PARM_DESC(reset, "Reset keyboard during initialization"); |
| 49 | |
| 50 | static int atkbd_softrepeat; |
| 51 | module_param_named(softrepeat, atkbd_softrepeat, bool, 0); |
| 52 | MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat"); |
| 53 | |
| 54 | static int atkbd_softraw = 1; |
| 55 | module_param_named(softraw, atkbd_softraw, bool, 0); |
| 56 | MODULE_PARM_DESC(softraw, "Use software generated rawmode"); |
| 57 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 58 | static int atkbd_scroll; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | module_param_named(scroll, atkbd_scroll, bool, 0); |
| 60 | MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards"); |
| 61 | |
| 62 | static int atkbd_extra; |
| 63 | module_param_named(extra, atkbd_extra, bool, 0); |
| 64 | MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards"); |
| 65 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | /* |
| 67 | * Scancode to keycode tables. These are just the default setting, and |
Frederik Schwarzer | 0211a9c | 2008-12-29 22:14:56 +0100 | [diff] [blame] | 68 | * are loadable via a userland utility. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | */ |
| 70 | |
Dmitry Torokhov | 1ba36e1 | 2009-09-03 17:22:04 -0700 | [diff] [blame] | 71 | #define ATKBD_KEYMAP_SIZE 512 |
| 72 | |
| 73 | static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | |
| 75 | #ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES |
| 76 | |
| 77 | /* XXX: need a more general approach */ |
| 78 | |
| 79 | #include "hpps2atkbd.h" /* include the keyboard scancodes */ |
| 80 | |
| 81 | #else |
| 82 | 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117, |
| 83 | 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0, |
| 84 | 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183, |
| 85 | 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185, |
| 86 | 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0, |
| 87 | 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85, |
| 88 | 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0, |
| 89 | 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99, |
| 90 | |
| 91 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 92 | 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125, |
| 93 | 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127, |
Hans de Goede | 72a42f2 | 2007-07-03 01:55:18 -0400 | [diff] [blame] | 94 | 159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0, |
| 96 | 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0, |
| 97 | 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112, |
| 98 | 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0, |
| 99 | |
| 100 | 0, 0, 0, 65, 99, |
| 101 | #endif |
| 102 | }; |
| 103 | |
Dmitry Torokhov | 1ba36e1 | 2009-09-03 17:22:04 -0700 | [diff] [blame] | 104 | static const unsigned short atkbd_set3_keycode[ATKBD_KEYMAP_SIZE] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | |
| 106 | 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60, |
| 107 | 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62, |
| 108 | 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64, |
| 109 | 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66, |
| 110 | 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68, |
| 111 | 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70, |
| 112 | 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104, |
| 113 | 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183, |
| 114 | |
| 115 | 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0, |
Hans de Goede | 72a42f2 | 2007-07-03 01:55:18 -0400 | [diff] [blame] | 116 | 0,139,172,163,165,115,152,172,166,140,160,154,113,114,167,168, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | 148,149,147,140 |
| 118 | }; |
| 119 | |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 120 | static const unsigned short atkbd_unxlate_table[128] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13, |
| 122 | 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, |
| 123 | 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, |
| 124 | 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3, |
| 125 | 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105, |
| 126 | 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63, |
| 127 | 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111, |
| 128 | 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110 |
| 129 | }; |
| 130 | |
| 131 | #define ATKBD_CMD_SETLEDS 0x10ed |
| 132 | #define ATKBD_CMD_GSCANSET 0x11f0 |
| 133 | #define ATKBD_CMD_SSCANSET 0x10f0 |
| 134 | #define ATKBD_CMD_GETID 0x02f2 |
| 135 | #define ATKBD_CMD_SETREP 0x10f3 |
| 136 | #define ATKBD_CMD_ENABLE 0x00f4 |
| 137 | #define ATKBD_CMD_RESET_DIS 0x00f5 |
| 138 | #define ATKBD_CMD_SETALL_MBR 0x00fa |
| 139 | #define ATKBD_CMD_RESET_BAT 0x02ff |
| 140 | #define ATKBD_CMD_RESEND 0x00fe |
| 141 | #define ATKBD_CMD_EX_ENABLE 0x10ea |
| 142 | #define ATKBD_CMD_EX_SETLEDS 0x20eb |
| 143 | #define ATKBD_CMD_OK_GETID 0x02e8 |
| 144 | |
| 145 | #define ATKBD_RET_ACK 0xfa |
| 146 | #define ATKBD_RET_NAK 0xfe |
| 147 | #define ATKBD_RET_BAT 0xaa |
| 148 | #define ATKBD_RET_EMUL0 0xe0 |
| 149 | #define ATKBD_RET_EMUL1 0xe1 |
| 150 | #define ATKBD_RET_RELEASE 0xf0 |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 151 | #define ATKBD_RET_HANJA 0xf1 |
| 152 | #define ATKBD_RET_HANGEUL 0xf2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | #define ATKBD_RET_ERR 0xff |
| 154 | |
| 155 | #define ATKBD_KEY_UNKNOWN 0 |
| 156 | #define ATKBD_KEY_NULL 255 |
| 157 | |
| 158 | #define ATKBD_SCR_1 254 |
| 159 | #define ATKBD_SCR_2 253 |
| 160 | #define ATKBD_SCR_4 252 |
| 161 | #define ATKBD_SCR_8 251 |
| 162 | #define ATKBD_SCR_CLICK 250 |
| 163 | #define ATKBD_SCR_LEFT 249 |
| 164 | #define ATKBD_SCR_RIGHT 248 |
| 165 | |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 166 | #define ATKBD_SPECIAL ATKBD_SCR_RIGHT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 168 | #define ATKBD_LED_EVENT_BIT 0 |
| 169 | #define ATKBD_REP_EVENT_BIT 1 |
| 170 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 171 | #define ATKBD_XL_ERR 0x01 |
| 172 | #define ATKBD_XL_BAT 0x02 |
| 173 | #define ATKBD_XL_ACK 0x04 |
| 174 | #define ATKBD_XL_NAK 0x08 |
| 175 | #define ATKBD_XL_HANGEUL 0x10 |
| 176 | #define ATKBD_XL_HANJA 0x20 |
| 177 | |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 178 | static const struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | unsigned char keycode; |
| 180 | unsigned char set2; |
| 181 | } atkbd_scroll_keys[] = { |
| 182 | { ATKBD_SCR_1, 0xc5 }, |
Vojtech Pavlik | 5212dd5 | 2005-05-28 15:51:47 -0700 | [diff] [blame] | 183 | { ATKBD_SCR_2, 0x9d }, |
| 184 | { ATKBD_SCR_4, 0xa4 }, |
| 185 | { ATKBD_SCR_8, 0x9b }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | { ATKBD_SCR_CLICK, 0xe0 }, |
| 187 | { ATKBD_SCR_LEFT, 0xcb }, |
| 188 | { ATKBD_SCR_RIGHT, 0xd2 }, |
| 189 | }; |
| 190 | |
| 191 | /* |
| 192 | * The atkbd control structure |
| 193 | */ |
| 194 | |
| 195 | struct atkbd { |
| 196 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 197 | struct ps2dev ps2dev; |
| 198 | struct input_dev *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | |
| 200 | /* Written only during init */ |
| 201 | char name[64]; |
| 202 | char phys[32]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | |
| 204 | unsigned short id; |
Dmitry Torokhov | 1ba36e1 | 2009-09-03 17:22:04 -0700 | [diff] [blame] | 205 | unsigned short keycode[ATKBD_KEYMAP_SIZE]; |
| 206 | DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | unsigned char set; |
| 208 | unsigned char translated; |
| 209 | unsigned char extra; |
| 210 | unsigned char write; |
| 211 | unsigned char softrepeat; |
| 212 | unsigned char softraw; |
| 213 | unsigned char scroll; |
| 214 | unsigned char enabled; |
| 215 | |
| 216 | /* Accessed only from interrupt */ |
| 217 | unsigned char emul; |
| 218 | unsigned char resend; |
| 219 | unsigned char release; |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 220 | unsigned long xl_bit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | unsigned int last; |
| 222 | unsigned long time; |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 223 | unsigned long err_count; |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 224 | |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 225 | struct delayed_work event_work; |
| 226 | unsigned long event_jiffies; |
Ingo Molnar | 33d3f07 | 2006-02-19 00:22:18 -0500 | [diff] [blame] | 227 | struct mutex event_mutex; |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 228 | unsigned long event_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | }; |
| 230 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 231 | /* |
Thadeu Lima de Souza Cascardo | 36726dd | 2009-07-21 15:57:47 -0300 | [diff] [blame] | 232 | * System-specific keymap fixup routine |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 233 | */ |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 234 | static void (*atkbd_platform_fixup)(struct atkbd *, const void *data); |
| 235 | static void *atkbd_platform_fixup_data; |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 236 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, |
| 238 | ssize_t (*handler)(struct atkbd *, char *)); |
| 239 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, |
| 240 | ssize_t (*handler)(struct atkbd *, const char *, size_t)); |
| 241 | #define ATKBD_DEFINE_ATTR(_name) \ |
| 242 | static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ |
| 243 | static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \ |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 244 | static ssize_t atkbd_do_show_##_name(struct device *d, \ |
| 245 | struct device_attribute *attr, char *b) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | { \ |
| 247 | return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ |
| 248 | } \ |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 249 | static ssize_t atkbd_do_set_##_name(struct device *d, \ |
| 250 | struct device_attribute *attr, const char *b, size_t s) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | { \ |
| 252 | return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \ |
| 253 | } \ |
Dmitry Torokhov | d083e90 | 2005-05-29 02:28:42 -0500 | [diff] [blame] | 254 | static struct device_attribute atkbd_attr_##_name = \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name); |
| 256 | |
| 257 | ATKBD_DEFINE_ATTR(extra); |
Dmitry Torokhov | 1ba36e1 | 2009-09-03 17:22:04 -0700 | [diff] [blame] | 258 | ATKBD_DEFINE_ATTR(force_release); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | ATKBD_DEFINE_ATTR(scroll); |
| 260 | ATKBD_DEFINE_ATTR(set); |
| 261 | ATKBD_DEFINE_ATTR(softrepeat); |
| 262 | ATKBD_DEFINE_ATTR(softraw); |
| 263 | |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 264 | #define ATKBD_DEFINE_RO_ATTR(_name) \ |
| 265 | static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ |
| 266 | static ssize_t atkbd_do_show_##_name(struct device *d, \ |
| 267 | struct device_attribute *attr, char *b) \ |
| 268 | { \ |
| 269 | return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ |
| 270 | } \ |
| 271 | static struct device_attribute atkbd_attr_##_name = \ |
| 272 | __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL); |
| 273 | |
| 274 | ATKBD_DEFINE_RO_ATTR(err_count); |
| 275 | |
| 276 | static struct attribute *atkbd_attributes[] = { |
| 277 | &atkbd_attr_extra.attr, |
Dmitry Torokhov | 1ba36e1 | 2009-09-03 17:22:04 -0700 | [diff] [blame] | 278 | &atkbd_attr_force_release.attr, |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 279 | &atkbd_attr_scroll.attr, |
| 280 | &atkbd_attr_set.attr, |
| 281 | &atkbd_attr_softrepeat.attr, |
| 282 | &atkbd_attr_softraw.attr, |
| 283 | &atkbd_attr_err_count.attr, |
| 284 | NULL |
| 285 | }; |
| 286 | |
| 287 | static struct attribute_group atkbd_attribute_group = { |
| 288 | .attrs = atkbd_attributes, |
| 289 | }; |
| 290 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 291 | static const unsigned int xl_table[] = { |
| 292 | ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK, |
| 293 | ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL, |
| 294 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 296 | /* |
| 297 | * Checks if we should mangle the scancode to extract 'release' bit |
| 298 | * in translated mode. |
| 299 | */ |
| 300 | static int atkbd_need_xlate(unsigned long xl_bit, unsigned char code) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | { |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 302 | int i; |
| 303 | |
| 304 | if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1) |
| 305 | return 0; |
| 306 | |
| 307 | for (i = 0; i < ARRAY_SIZE(xl_table); i++) |
| 308 | if (code == xl_table[i]) |
| 309 | return test_bit(i, &xl_bit); |
| 310 | |
| 311 | return 1; |
| 312 | } |
| 313 | |
| 314 | /* |
| 315 | * Calculates new value of xl_bit so the driver can distinguish |
| 316 | * between make/break pair of scancodes for select keys and PS/2 |
| 317 | * protocol responses. |
| 318 | */ |
| 319 | static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code) |
| 320 | { |
| 321 | int i; |
| 322 | |
| 323 | for (i = 0; i < ARRAY_SIZE(xl_table); i++) { |
| 324 | if (!((code ^ xl_table[i]) & 0x7f)) { |
| 325 | if (code & 0x80) |
| 326 | __clear_bit(i, &atkbd->xl_bit); |
| 327 | else |
| 328 | __set_bit(i, &atkbd->xl_bit); |
| 329 | break; |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | /* |
| 335 | * Encode the scancode, 0xe0 prefix, and high bit into a single integer, |
| 336 | * keeping kernel 2.4 compatibility for set 2 |
| 337 | */ |
| 338 | static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code) |
| 339 | { |
| 340 | if (atkbd->set == 3) { |
| 341 | if (atkbd->emul == 1) |
| 342 | code |= 0x100; |
| 343 | } else { |
| 344 | code = (code & 0x7f) | ((code & 0x80) << 1); |
| 345 | if (atkbd->emul == 1) |
| 346 | code |= 0x80; |
| 347 | } |
| 348 | |
| 349 | return code; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | } |
| 351 | |
| 352 | /* |
| 353 | * atkbd_interrupt(). Here takes place processing of data received from |
| 354 | * the keyboard into events. |
| 355 | */ |
| 356 | |
| 357 | static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 358 | unsigned int flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | { |
| 360 | struct atkbd *atkbd = serio_get_drvdata(serio); |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 361 | struct input_dev *dev = atkbd->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | unsigned int code = data; |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 363 | int scroll = 0, hscroll = 0, click = -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | int value; |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 365 | unsigned short keycode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | |
| 367 | #ifdef ATKBD_DEBUG |
| 368 | printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags); |
| 369 | #endif |
| 370 | |
| 371 | #if !defined(__i386__) && !defined (__x86_64__) |
| 372 | if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) { |
| 373 | printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags); |
| 374 | serio_write(serio, ATKBD_CMD_RESEND); |
| 375 | atkbd->resend = 1; |
| 376 | goto out; |
| 377 | } |
| 378 | |
| 379 | if (!flags && data == ATKBD_RET_ACK) |
| 380 | atkbd->resend = 0; |
| 381 | #endif |
| 382 | |
| 383 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK)) |
| 384 | if (ps2_handle_ack(&atkbd->ps2dev, data)) |
| 385 | goto out; |
| 386 | |
| 387 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD)) |
| 388 | if (ps2_handle_response(&atkbd->ps2dev, data)) |
| 389 | goto out; |
| 390 | |
| 391 | if (!atkbd->enabled) |
| 392 | goto out; |
| 393 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 394 | input_event(dev, EV_MSC, MSC_RAW, code); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | |
| 396 | if (atkbd->translated) { |
| 397 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 398 | if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | atkbd->release = code >> 7; |
| 400 | code &= 0x7f; |
| 401 | } |
| 402 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 403 | if (!atkbd->emul) |
| 404 | atkbd_calculate_xl_bit(atkbd, data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | } |
| 406 | |
| 407 | switch (code) { |
| 408 | case ATKBD_RET_BAT: |
| 409 | atkbd->enabled = 0; |
Dmitry Torokhov | dbc2634 | 2006-01-05 23:00:13 -0500 | [diff] [blame] | 410 | serio_reconnect(atkbd->ps2dev.serio); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | goto out; |
| 412 | case ATKBD_RET_EMUL0: |
| 413 | atkbd->emul = 1; |
| 414 | goto out; |
| 415 | case ATKBD_RET_EMUL1: |
| 416 | atkbd->emul = 2; |
| 417 | goto out; |
| 418 | case ATKBD_RET_RELEASE: |
| 419 | atkbd->release = 1; |
| 420 | goto out; |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 421 | case ATKBD_RET_ACK: |
| 422 | case ATKBD_RET_NAK: |
Qi Yong | 9f7a60d | 2007-06-28 00:47:10 -0400 | [diff] [blame] | 423 | if (printk_ratelimit()) |
| 424 | printk(KERN_WARNING "atkbd.c: Spurious %s on %s. " |
| 425 | "Some program might be trying access hardware directly.\n", |
| 426 | data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 427 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | case ATKBD_RET_ERR: |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 429 | atkbd->err_count++; |
| 430 | #ifdef ATKBD_DEBUG |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys); |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 432 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | goto out; |
| 434 | } |
| 435 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 436 | code = atkbd_compat_scancode(atkbd, code); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 438 | if (atkbd->emul && --atkbd->emul) |
| 439 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 441 | keycode = atkbd->keycode[code]; |
| 442 | |
| 443 | if (keycode != ATKBD_KEY_NULL) |
| 444 | input_event(dev, EV_MSC, MSC_SCAN, code); |
| 445 | |
| 446 | switch (keycode) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | case ATKBD_KEY_NULL: |
| 448 | break; |
| 449 | case ATKBD_KEY_UNKNOWN: |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 450 | printk(KERN_WARNING |
| 451 | "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n", |
| 452 | atkbd->release ? "released" : "pressed", |
| 453 | atkbd->translated ? "translated" : "raw", |
| 454 | atkbd->set, code, serio->phys); |
| 455 | printk(KERN_WARNING |
| 456 | "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n", |
| 457 | code & 0x80 ? "e0" : "", code & 0x7f); |
| 458 | input_sync(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | break; |
| 460 | case ATKBD_SCR_1: |
| 461 | scroll = 1 - atkbd->release * 2; |
| 462 | break; |
| 463 | case ATKBD_SCR_2: |
| 464 | scroll = 2 - atkbd->release * 4; |
| 465 | break; |
| 466 | case ATKBD_SCR_4: |
| 467 | scroll = 4 - atkbd->release * 8; |
| 468 | break; |
| 469 | case ATKBD_SCR_8: |
| 470 | scroll = 8 - atkbd->release * 16; |
| 471 | break; |
| 472 | case ATKBD_SCR_CLICK: |
| 473 | click = !atkbd->release; |
| 474 | break; |
| 475 | case ATKBD_SCR_LEFT: |
| 476 | hscroll = -1; |
| 477 | break; |
| 478 | case ATKBD_SCR_RIGHT: |
| 479 | hscroll = 1; |
| 480 | break; |
| 481 | default: |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 482 | if (atkbd->release) { |
| 483 | value = 0; |
| 484 | atkbd->last = 0; |
| 485 | } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) { |
| 486 | /* Workaround Toshiba laptop multiple keypress */ |
| 487 | value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2; |
| 488 | } else { |
| 489 | value = 1; |
| 490 | atkbd->last = code; |
| 491 | atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | } |
| 493 | |
Dmitry Torokhov | f8b4c46 | 2006-06-27 23:42:17 -0400 | [diff] [blame] | 494 | input_event(dev, EV_KEY, keycode, value); |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 495 | input_sync(dev); |
| 496 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 497 | if (value && test_bit(code, atkbd->force_release_mask)) { |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 498 | input_report_key(dev, keycode, 0); |
| 499 | input_sync(dev); |
| 500 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | if (atkbd->scroll) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | if (click != -1) |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 505 | input_report_key(dev, BTN_MIDDLE, click); |
| 506 | input_report_rel(dev, REL_WHEEL, scroll); |
| 507 | input_report_rel(dev, REL_HWHEEL, hscroll); |
| 508 | input_sync(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | } |
| 510 | |
| 511 | atkbd->release = 0; |
| 512 | out: |
| 513 | return IRQ_HANDLED; |
| 514 | } |
| 515 | |
Dmitry Torokhov | 3d0f0fa | 2006-08-04 22:52:46 -0400 | [diff] [blame] | 516 | static int atkbd_set_repeat_rate(struct atkbd *atkbd) |
| 517 | { |
| 518 | const short period[32] = |
| 519 | { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125, |
| 520 | 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 }; |
| 521 | const short delay[4] = |
| 522 | { 250, 500, 750, 1000 }; |
| 523 | |
| 524 | struct input_dev *dev = atkbd->dev; |
| 525 | unsigned char param; |
| 526 | int i = 0, j = 0; |
| 527 | |
| 528 | while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD]) |
| 529 | i++; |
| 530 | dev->rep[REP_PERIOD] = period[i]; |
| 531 | |
Florin Malita | 8ea371f | 2006-08-23 00:45:33 -0400 | [diff] [blame] | 532 | while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY]) |
Dmitry Torokhov | 3d0f0fa | 2006-08-04 22:52:46 -0400 | [diff] [blame] | 533 | j++; |
| 534 | dev->rep[REP_DELAY] = delay[j]; |
| 535 | |
| 536 | param = i | (j << 5); |
| 537 | return ps2_command(&atkbd->ps2dev, ¶m, ATKBD_CMD_SETREP); |
| 538 | } |
| 539 | |
| 540 | static int atkbd_set_leds(struct atkbd *atkbd) |
| 541 | { |
| 542 | struct input_dev *dev = atkbd->dev; |
| 543 | unsigned char param[2]; |
| 544 | |
| 545 | param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0) |
| 546 | | (test_bit(LED_NUML, dev->led) ? 2 : 0) |
| 547 | | (test_bit(LED_CAPSL, dev->led) ? 4 : 0); |
| 548 | if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) |
| 549 | return -1; |
| 550 | |
| 551 | if (atkbd->extra) { |
| 552 | param[0] = 0; |
| 553 | param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0) |
| 554 | | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0) |
| 555 | | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0) |
| 556 | | (test_bit(LED_MISC, dev->led) ? 0x10 : 0) |
| 557 | | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0); |
| 558 | if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS)) |
| 559 | return -1; |
| 560 | } |
| 561 | |
| 562 | return 0; |
| 563 | } |
| 564 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | /* |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 566 | * atkbd_event_work() is used to complete processing of events that |
| 567 | * can not be processed by input_event() which is often called from |
| 568 | * interrupt context. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | */ |
| 570 | |
David Howells | 65f27f3 | 2006-11-22 14:55:48 +0000 | [diff] [blame] | 571 | static void atkbd_event_work(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | { |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 573 | struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | |
Ingo Molnar | 33d3f07 | 2006-02-19 00:22:18 -0500 | [diff] [blame] | 575 | mutex_lock(&atkbd->event_mutex); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 576 | |
Dmitry Torokhov | 3d0f0fa | 2006-08-04 22:52:46 -0400 | [diff] [blame] | 577 | if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) |
| 578 | atkbd_set_leds(atkbd); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 579 | |
Dmitry Torokhov | 3d0f0fa | 2006-08-04 22:52:46 -0400 | [diff] [blame] | 580 | if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) |
| 581 | atkbd_set_repeat_rate(atkbd); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 582 | |
Ingo Molnar | 33d3f07 | 2006-02-19 00:22:18 -0500 | [diff] [blame] | 583 | mutex_unlock(&atkbd->event_mutex); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 584 | } |
| 585 | |
| 586 | /* |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 587 | * Schedule switch for execution. We need to throttle requests, |
| 588 | * otherwise keyboard may become unresponsive. |
| 589 | */ |
| 590 | static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit) |
| 591 | { |
| 592 | unsigned long delay = msecs_to_jiffies(50); |
| 593 | |
| 594 | if (time_after(jiffies, atkbd->event_jiffies + delay)) |
| 595 | delay = 0; |
| 596 | |
| 597 | atkbd->event_jiffies = jiffies; |
| 598 | set_bit(event_bit, &atkbd->event_mask); |
| 599 | wmb(); |
| 600 | schedule_delayed_work(&atkbd->event_work, delay); |
| 601 | } |
| 602 | |
| 603 | /* |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 604 | * Event callback from the input module. Events that change the state of |
| 605 | * the hardware are processed here. If action can not be performed in |
| 606 | * interrupt context it is offloaded to atkbd_event_work. |
| 607 | */ |
| 608 | |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 609 | static int atkbd_event(struct input_dev *dev, |
| 610 | unsigned int type, unsigned int code, int value) |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 611 | { |
Dmitry Torokhov | b356872 | 2007-04-12 01:34:20 -0400 | [diff] [blame] | 612 | struct atkbd *atkbd = input_get_drvdata(dev); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 613 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | if (!atkbd->write) |
| 615 | return -1; |
| 616 | |
| 617 | switch (type) { |
| 618 | |
| 619 | case EV_LED: |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 620 | atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | return 0; |
| 622 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | case EV_REP: |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 624 | if (!atkbd->softrepeat) |
| 625 | atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | return -1; |
| 630 | } |
| 631 | |
| 632 | /* |
| 633 | * atkbd_enable() signals that interrupt handler is allowed to |
| 634 | * generate input events. |
| 635 | */ |
| 636 | |
| 637 | static inline void atkbd_enable(struct atkbd *atkbd) |
| 638 | { |
| 639 | serio_pause_rx(atkbd->ps2dev.serio); |
| 640 | atkbd->enabled = 1; |
| 641 | serio_continue_rx(atkbd->ps2dev.serio); |
| 642 | } |
| 643 | |
| 644 | /* |
| 645 | * atkbd_disable() tells input handler that all incoming data except |
| 646 | * for ACKs and command response should be dropped. |
| 647 | */ |
| 648 | |
| 649 | static inline void atkbd_disable(struct atkbd *atkbd) |
| 650 | { |
| 651 | serio_pause_rx(atkbd->ps2dev.serio); |
| 652 | atkbd->enabled = 0; |
| 653 | serio_continue_rx(atkbd->ps2dev.serio); |
| 654 | } |
| 655 | |
| 656 | /* |
| 657 | * atkbd_probe() probes for an AT keyboard on a serio port. |
| 658 | */ |
| 659 | |
| 660 | static int atkbd_probe(struct atkbd *atkbd) |
| 661 | { |
| 662 | struct ps2dev *ps2dev = &atkbd->ps2dev; |
| 663 | unsigned char param[2]; |
| 664 | |
| 665 | /* |
| 666 | * Some systems, where the bit-twiddling when testing the io-lines of the |
| 667 | * controller may confuse the keyboard need a full reset of the keyboard. On |
| 668 | * these systems the BIOS also usually doesn't do it for us. |
| 669 | */ |
| 670 | |
| 671 | if (atkbd_reset) |
| 672 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT)) |
| 673 | printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys); |
| 674 | |
| 675 | /* |
| 676 | * Then we check the keyboard ID. We should get 0xab83 under normal conditions. |
| 677 | * Some keyboards report different values, but the first byte is always 0xab or |
| 678 | * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this |
| 679 | * should make sure we don't try to set the LEDs on it. |
| 680 | */ |
| 681 | |
| 682 | param[0] = param[1] = 0xa5; /* initialize with invalid values */ |
| 683 | if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) { |
| 684 | |
| 685 | /* |
| 686 | * If the get ID command failed, we check if we can at least set the LEDs on |
| 687 | * the keyboard. This should work on every keyboard out there. It also turns |
| 688 | * the LEDs off, which we want anyway. |
| 689 | */ |
| 690 | param[0] = 0; |
| 691 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) |
| 692 | return -1; |
| 693 | atkbd->id = 0xabba; |
| 694 | return 0; |
| 695 | } |
| 696 | |
Dmitry Torokhov | 9807879 | 2006-09-14 01:31:27 -0400 | [diff] [blame] | 697 | if (!ps2_is_keyboard_id(param[0])) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 698 | return -1; |
| 699 | |
| 700 | atkbd->id = (param[0] << 8) | param[1]; |
| 701 | |
| 702 | if (atkbd->id == 0xaca1 && atkbd->translated) { |
| 703 | printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n"); |
| 704 | printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n"); |
| 705 | return -1; |
| 706 | } |
| 707 | |
| 708 | return 0; |
| 709 | } |
| 710 | |
| 711 | /* |
| 712 | * atkbd_select_set checks if a keyboard has a working Set 3 support, and |
| 713 | * sets it into that. Unfortunately there are keyboards that can be switched |
| 714 | * to Set 3, but don't work well in that (BTC Multimedia ...) |
| 715 | */ |
| 716 | |
| 717 | static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra) |
| 718 | { |
| 719 | struct ps2dev *ps2dev = &atkbd->ps2dev; |
| 720 | unsigned char param[2]; |
| 721 | |
| 722 | atkbd->extra = 0; |
| 723 | /* |
| 724 | * For known special keyboards we can go ahead and set the correct set. |
| 725 | * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and |
| 726 | * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards. |
| 727 | */ |
| 728 | |
| 729 | if (atkbd->translated) |
| 730 | return 2; |
| 731 | |
| 732 | if (atkbd->id == 0xaca1) { |
| 733 | param[0] = 3; |
| 734 | ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET); |
| 735 | return 3; |
| 736 | } |
| 737 | |
| 738 | if (allow_extra) { |
| 739 | param[0] = 0x71; |
| 740 | if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) { |
| 741 | atkbd->extra = 1; |
| 742 | return 2; |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | if (target_set != 3) |
| 747 | return 2; |
| 748 | |
| 749 | if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) { |
| 750 | atkbd->id = param[0] << 8 | param[1]; |
| 751 | return 2; |
| 752 | } |
| 753 | |
| 754 | param[0] = 3; |
| 755 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) |
| 756 | return 2; |
| 757 | |
| 758 | param[0] = 0; |
| 759 | if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET)) |
| 760 | return 2; |
| 761 | |
| 762 | if (param[0] != 3) { |
| 763 | param[0] = 2; |
| 764 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) |
| 765 | return 2; |
| 766 | } |
| 767 | |
| 768 | ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR); |
| 769 | |
| 770 | return 3; |
| 771 | } |
| 772 | |
| 773 | static int atkbd_activate(struct atkbd *atkbd) |
| 774 | { |
| 775 | struct ps2dev *ps2dev = &atkbd->ps2dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 776 | |
| 777 | /* |
| 778 | * Enable the keyboard to receive keystrokes. |
| 779 | */ |
| 780 | |
| 781 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) { |
| 782 | printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n", |
| 783 | ps2dev->serio->phys); |
| 784 | return -1; |
| 785 | } |
| 786 | |
| 787 | return 0; |
| 788 | } |
| 789 | |
| 790 | /* |
| 791 | * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a |
| 792 | * reboot. |
| 793 | */ |
| 794 | |
| 795 | static void atkbd_cleanup(struct serio *serio) |
| 796 | { |
| 797 | struct atkbd *atkbd = serio_get_drvdata(serio); |
Dmitry Torokhov | 57f5b15 | 2008-05-28 00:54:01 -0400 | [diff] [blame] | 798 | |
| 799 | atkbd_disable(atkbd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT); |
| 801 | } |
| 802 | |
| 803 | |
| 804 | /* |
| 805 | * atkbd_disconnect() closes and frees. |
| 806 | */ |
| 807 | |
| 808 | static void atkbd_disconnect(struct serio *serio) |
| 809 | { |
| 810 | struct atkbd *atkbd = serio_get_drvdata(serio); |
| 811 | |
| 812 | atkbd_disable(atkbd); |
| 813 | |
| 814 | /* make sure we don't have a command in flight */ |
Jiri Pirko | d6d79a7 | 2008-11-11 09:43:21 -0500 | [diff] [blame] | 815 | cancel_delayed_work_sync(&atkbd->event_work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 816 | |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 817 | sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 818 | input_unregister_device(atkbd->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | serio_close(serio); |
| 820 | serio_set_drvdata(serio, NULL); |
| 821 | kfree(atkbd); |
| 822 | } |
| 823 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 824 | /* |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 825 | * generate release events for the keycodes given in data |
| 826 | */ |
| 827 | static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd, |
| 828 | const void *data) |
| 829 | { |
| 830 | const unsigned int *keys = data; |
| 831 | unsigned int i; |
| 832 | |
| 833 | if (atkbd->set == 2) |
| 834 | for (i = 0; keys[i] != -1U; i++) |
| 835 | __set_bit(keys[i], atkbd->force_release_mask); |
| 836 | } |
| 837 | |
| 838 | /* |
Matthew Garrett | 61579ba | 2008-08-15 13:54:51 -0400 | [diff] [blame] | 839 | * Most special keys (Fn+F?) on Dell laptops do not generate release |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 840 | * events so we have to do it ourselves. |
| 841 | */ |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 842 | static unsigned int atkbd_dell_laptop_forced_release_keys[] = { |
| 843 | 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U |
| 844 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 845 | |
| 846 | /* |
Jiri Kosina | 5a54c01 | 2008-06-26 10:46:38 -0400 | [diff] [blame] | 847 | * Perform fixup for HP system that doesn't generate release |
| 848 | * for its video switch |
| 849 | */ |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 850 | static unsigned int atkbd_hp_forced_release_keys[] = { |
| 851 | 0x94, -1U |
| 852 | }; |
Jiri Kosina | 5a54c01 | 2008-06-26 10:46:38 -0400 | [diff] [blame] | 853 | |
| 854 | /* |
Matthew Garrett | a8215b8 | 2008-11-11 09:40:42 -0500 | [diff] [blame] | 855 | * Inventec system with broken key release on volume keys |
| 856 | */ |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 857 | static unsigned int atkbd_inventec_forced_release_keys[] = { |
| 858 | 0xae, 0xb0, -1U |
| 859 | }; |
Matthew Garrett | a8215b8 | 2008-11-11 09:40:42 -0500 | [diff] [blame] | 860 | |
| 861 | /* |
Rikard Ljungstrand | 181f638 | 2008-12-19 21:59:20 -0500 | [diff] [blame] | 862 | * Perform fixup for HP Pavilion ZV6100 laptop that doesn't generate release |
| 863 | * for its volume buttons |
| 864 | */ |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 865 | static unsigned int atkbd_hp_zv6100_forced_release_keys[] = { |
| 866 | 0xae, 0xb0, -1U |
| 867 | }; |
Rikard Ljungstrand | 181f638 | 2008-12-19 21:59:20 -0500 | [diff] [blame] | 868 | |
| 869 | /* |
Dave Andrews | 2bcaa6a | 2009-09-03 17:21:27 -0700 | [diff] [blame] | 870 | * Perform fixup for HP (Compaq) Presario R4000 R4100 R4200 that don't generate |
| 871 | * release for their volume buttons |
| 872 | */ |
| 873 | static unsigned int atkbd_hp_r4000_forced_release_keys[] = { |
| 874 | 0xae, 0xb0, -1U |
| 875 | }; |
| 876 | |
| 877 | /* |
Barry Carroll | e04126c | 2009-04-14 10:38:34 -0700 | [diff] [blame] | 878 | * Samsung NC10,NC20 with Fn+F? key release not working |
Stuart Hopkins | 4200844 | 2008-12-20 04:12:33 -0500 | [diff] [blame] | 879 | */ |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 880 | static unsigned int atkbd_samsung_forced_release_keys[] = { |
| 881 | 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U |
| 882 | }; |
Stuart Hopkins | 4200844 | 2008-12-20 04:12:33 -0500 | [diff] [blame] | 883 | |
| 884 | /* |
Daniel Mierswa | adcb523 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 885 | * The volume up and volume down special keys on a Fujitsu Amilo PA 1510 laptop |
| 886 | * do not generate release events so we have to do it ourselves. |
| 887 | */ |
| 888 | static unsigned int atkbd_amilo_pa1510_forced_release_keys[] = { |
| 889 | 0xb0, 0xae, -1U |
| 890 | }; |
| 891 | |
| 892 | /* |
Simon Davie | f0a14de | 2009-07-12 20:44:09 -0700 | [diff] [blame] | 893 | * Amilo Pi 3525 key release for Fn+Volume keys not working |
| 894 | */ |
| 895 | static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = { |
| 896 | 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U |
| 897 | }; |
| 898 | |
| 899 | /* |
Adrian Batzill | 9166d0f | 2009-05-11 15:22:16 -0700 | [diff] [blame] | 900 | * Amilo Xi 3650 key release for light touch bar not working |
| 901 | */ |
| 902 | static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = { |
| 903 | 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U |
| 904 | }; |
| 905 | |
| 906 | /* |
Jerone Young | 032e46c | 2009-07-20 22:14:59 -0700 | [diff] [blame] | 907 | * Soltech TA12 system with broken key release on volume keys and mute key |
| 908 | */ |
| 909 | static unsigned int atkdb_soltech_ta12_forced_release_keys[] = { |
| 910 | 0xa0, 0xae, 0xb0, -1U |
| 911 | }; |
| 912 | |
| 913 | /* |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 914 | * atkbd_set_keycode_table() initializes keyboard's keycode table |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 915 | * according to the selected scancode set |
| 916 | */ |
| 917 | |
| 918 | static void atkbd_set_keycode_table(struct atkbd *atkbd) |
| 919 | { |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 920 | unsigned int scancode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 921 | int i, j; |
| 922 | |
| 923 | memset(atkbd->keycode, 0, sizeof(atkbd->keycode)); |
Dmitry Torokhov | 1ba36e1 | 2009-09-03 17:22:04 -0700 | [diff] [blame] | 924 | bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | |
| 926 | if (atkbd->translated) { |
| 927 | for (i = 0; i < 128; i++) { |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 928 | scancode = atkbd_unxlate_table[i]; |
| 929 | atkbd->keycode[i] = atkbd_set2_keycode[scancode]; |
| 930 | atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | if (atkbd->scroll) |
| 932 | for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++) |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 933 | if ((scancode | 0x80) == atkbd_scroll_keys[j].set2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode; |
| 935 | } |
| 936 | } else if (atkbd->set == 3) { |
| 937 | memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode)); |
| 938 | } else { |
| 939 | memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode)); |
| 940 | |
| 941 | if (atkbd->scroll) |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 942 | for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) { |
| 943 | scancode = atkbd_scroll_keys[i].set2; |
| 944 | atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode; |
| 945 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 946 | } |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 947 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 948 | /* |
| 949 | * HANGEUL and HANJA keys do not send release events so we need to |
| 950 | * generate such events ourselves |
| 951 | */ |
| 952 | scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL); |
| 953 | atkbd->keycode[scancode] = KEY_HANGEUL; |
| 954 | __set_bit(scancode, atkbd->force_release_mask); |
| 955 | |
| 956 | scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA); |
| 957 | atkbd->keycode[scancode] = KEY_HANJA; |
| 958 | __set_bit(scancode, atkbd->force_release_mask); |
| 959 | |
| 960 | /* |
| 961 | * Perform additional fixups |
| 962 | */ |
| 963 | if (atkbd_platform_fixup) |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 964 | atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | } |
| 966 | |
| 967 | /* |
| 968 | * atkbd_set_device_attrs() sets up keyboard's input device structure |
| 969 | */ |
| 970 | |
| 971 | static void atkbd_set_device_attrs(struct atkbd *atkbd) |
| 972 | { |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 973 | struct input_dev *input_dev = atkbd->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 974 | int i; |
| 975 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 976 | if (atkbd->extra) |
Dmitry Torokhov | ea08c6f | 2006-06-26 01:46:17 -0400 | [diff] [blame] | 977 | snprintf(atkbd->name, sizeof(atkbd->name), |
| 978 | "AT Set 2 Extra keyboard"); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 979 | else |
Dmitry Torokhov | ea08c6f | 2006-06-26 01:46:17 -0400 | [diff] [blame] | 980 | snprintf(atkbd->name, sizeof(atkbd->name), |
| 981 | "AT %s Set %d keyboard", |
| 982 | atkbd->translated ? "Translated" : "Raw", atkbd->set); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 983 | |
Dmitry Torokhov | ea08c6f | 2006-06-26 01:46:17 -0400 | [diff] [blame] | 984 | snprintf(atkbd->phys, sizeof(atkbd->phys), |
| 985 | "%s/input0", atkbd->ps2dev.serio->phys); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 986 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 987 | input_dev->name = atkbd->name; |
| 988 | input_dev->phys = atkbd->phys; |
| 989 | input_dev->id.bustype = BUS_I8042; |
| 990 | input_dev->id.vendor = 0x0001; |
| 991 | input_dev->id.product = atkbd->translated ? 1 : atkbd->set; |
| 992 | input_dev->id.version = atkbd->id; |
| 993 | input_dev->event = atkbd_event; |
Dmitry Torokhov | 469ba4d | 2007-04-12 01:34:58 -0400 | [diff] [blame] | 994 | input_dev->dev.parent = &atkbd->ps2dev.serio->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | |
Dmitry Torokhov | b356872 | 2007-04-12 01:34:20 -0400 | [diff] [blame] | 996 | input_set_drvdata(input_dev, atkbd); |
| 997 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 998 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | |
| 999 | BIT_MASK(EV_MSC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | |
| 1001 | if (atkbd->write) { |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 1002 | input_dev->evbit[0] |= BIT_MASK(EV_LED); |
| 1003 | input_dev->ledbit[0] = BIT_MASK(LED_NUML) | |
| 1004 | BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1005 | } |
| 1006 | |
| 1007 | if (atkbd->extra) |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 1008 | input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) | |
| 1009 | BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) | |
| 1010 | BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1011 | |
| 1012 | if (!atkbd->softrepeat) { |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1013 | input_dev->rep[REP_DELAY] = 250; |
| 1014 | input_dev->rep[REP_PERIOD] = 33; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | } |
| 1016 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 1017 | input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) : |
| 1018 | BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1019 | |
| 1020 | if (atkbd->scroll) { |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 1021 | input_dev->evbit[0] |= BIT_MASK(EV_REL); |
| 1022 | input_dev->relbit[0] = BIT_MASK(REL_WHEEL) | |
| 1023 | BIT_MASK(REL_HWHEEL); |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 1024 | __set_bit(BTN_MIDDLE, input_dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1025 | } |
| 1026 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1027 | input_dev->keycode = atkbd->keycode; |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 1028 | input_dev->keycodesize = sizeof(unsigned short); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1029 | input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1030 | |
Dmitry Torokhov | 1ba36e1 | 2009-09-03 17:22:04 -0700 | [diff] [blame] | 1031 | for (i = 0; i < ATKBD_KEYMAP_SIZE; i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1032 | if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL) |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 1033 | __set_bit(atkbd->keycode[i], input_dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1034 | } |
| 1035 | |
| 1036 | /* |
| 1037 | * atkbd_connect() is called when the serio module finds an interface |
| 1038 | * that isn't handled yet by an appropriate device driver. We check if |
| 1039 | * there is an AT keyboard out there and if yes, we register ourselves |
| 1040 | * to the input module. |
| 1041 | */ |
| 1042 | |
| 1043 | static int atkbd_connect(struct serio *serio, struct serio_driver *drv) |
| 1044 | { |
| 1045 | struct atkbd *atkbd; |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1046 | struct input_dev *dev; |
| 1047 | int err = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1048 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1049 | atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL); |
| 1050 | dev = input_allocate_device(); |
| 1051 | if (!atkbd || !dev) |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1052 | goto fail1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1053 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1054 | atkbd->dev = dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1055 | ps2_init(&atkbd->ps2dev, serio); |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 1056 | INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work); |
Ingo Molnar | 33d3f07 | 2006-02-19 00:22:18 -0500 | [diff] [blame] | 1057 | mutex_init(&atkbd->event_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1058 | |
| 1059 | switch (serio->id.type) { |
| 1060 | |
| 1061 | case SERIO_8042_XL: |
| 1062 | atkbd->translated = 1; |
| 1063 | case SERIO_8042: |
| 1064 | if (serio->write) |
| 1065 | atkbd->write = 1; |
| 1066 | break; |
| 1067 | } |
| 1068 | |
| 1069 | atkbd->softraw = atkbd_softraw; |
| 1070 | atkbd->softrepeat = atkbd_softrepeat; |
| 1071 | atkbd->scroll = atkbd_scroll; |
| 1072 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1073 | if (atkbd->softrepeat) |
| 1074 | atkbd->softraw = 1; |
| 1075 | |
| 1076 | serio_set_drvdata(serio, atkbd); |
| 1077 | |
| 1078 | err = serio_open(serio, drv); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1079 | if (err) |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1080 | goto fail2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1081 | |
| 1082 | if (atkbd->write) { |
| 1083 | |
| 1084 | if (atkbd_probe(atkbd)) { |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1085 | err = -ENODEV; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1086 | goto fail3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1087 | } |
| 1088 | |
| 1089 | atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra); |
| 1090 | atkbd_activate(atkbd); |
| 1091 | |
| 1092 | } else { |
| 1093 | atkbd->set = 2; |
| 1094 | atkbd->id = 0xab00; |
| 1095 | } |
| 1096 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1097 | atkbd_set_keycode_table(atkbd); |
| 1098 | atkbd_set_device_attrs(atkbd); |
| 1099 | |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1100 | err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group); |
| 1101 | if (err) |
| 1102 | goto fail3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1103 | |
| 1104 | atkbd_enable(atkbd); |
| 1105 | |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1106 | err = input_register_device(atkbd->dev); |
| 1107 | if (err) |
| 1108 | goto fail4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1109 | |
| 1110 | return 0; |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1111 | |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1112 | fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); |
| 1113 | fail3: serio_close(serio); |
| 1114 | fail2: serio_set_drvdata(serio, NULL); |
| 1115 | fail1: input_free_device(dev); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1116 | kfree(atkbd); |
| 1117 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1118 | } |
| 1119 | |
| 1120 | /* |
| 1121 | * atkbd_reconnect() tries to restore keyboard into a sane state and is |
| 1122 | * most likely called on resume. |
| 1123 | */ |
| 1124 | |
| 1125 | static int atkbd_reconnect(struct serio *serio) |
| 1126 | { |
| 1127 | struct atkbd *atkbd = serio_get_drvdata(serio); |
| 1128 | struct serio_driver *drv = serio->drv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1129 | |
| 1130 | if (!atkbd || !drv) { |
| 1131 | printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n"); |
| 1132 | return -1; |
| 1133 | } |
| 1134 | |
| 1135 | atkbd_disable(atkbd); |
| 1136 | |
| 1137 | if (atkbd->write) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1138 | if (atkbd_probe(atkbd)) |
| 1139 | return -1; |
| 1140 | if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra)) |
| 1141 | return -1; |
| 1142 | |
| 1143 | atkbd_activate(atkbd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1144 | } |
| 1145 | |
| 1146 | atkbd_enable(atkbd); |
| 1147 | |
| 1148 | return 0; |
| 1149 | } |
| 1150 | |
| 1151 | static struct serio_device_id atkbd_serio_ids[] = { |
| 1152 | { |
| 1153 | .type = SERIO_8042, |
| 1154 | .proto = SERIO_ANY, |
| 1155 | .id = SERIO_ANY, |
| 1156 | .extra = SERIO_ANY, |
| 1157 | }, |
| 1158 | { |
| 1159 | .type = SERIO_8042_XL, |
| 1160 | .proto = SERIO_ANY, |
| 1161 | .id = SERIO_ANY, |
| 1162 | .extra = SERIO_ANY, |
| 1163 | }, |
| 1164 | { |
| 1165 | .type = SERIO_RS232, |
| 1166 | .proto = SERIO_PS2SER, |
| 1167 | .id = SERIO_ANY, |
| 1168 | .extra = SERIO_ANY, |
| 1169 | }, |
| 1170 | { 0 } |
| 1171 | }; |
| 1172 | |
| 1173 | MODULE_DEVICE_TABLE(serio, atkbd_serio_ids); |
| 1174 | |
| 1175 | static struct serio_driver atkbd_drv = { |
| 1176 | .driver = { |
| 1177 | .name = "atkbd", |
| 1178 | }, |
| 1179 | .description = DRIVER_DESC, |
| 1180 | .id_table = atkbd_serio_ids, |
| 1181 | .interrupt = atkbd_interrupt, |
| 1182 | .connect = atkbd_connect, |
| 1183 | .reconnect = atkbd_reconnect, |
| 1184 | .disconnect = atkbd_disconnect, |
| 1185 | .cleanup = atkbd_cleanup, |
| 1186 | }; |
| 1187 | |
| 1188 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, |
| 1189 | ssize_t (*handler)(struct atkbd *, char *)) |
| 1190 | { |
| 1191 | struct serio *serio = to_serio_port(dev); |
| 1192 | int retval; |
| 1193 | |
| 1194 | retval = serio_pin_driver(serio); |
| 1195 | if (retval) |
| 1196 | return retval; |
| 1197 | |
| 1198 | if (serio->drv != &atkbd_drv) { |
| 1199 | retval = -ENODEV; |
| 1200 | goto out; |
| 1201 | } |
| 1202 | |
| 1203 | retval = handler((struct atkbd *)serio_get_drvdata(serio), buf); |
| 1204 | |
| 1205 | out: |
| 1206 | serio_unpin_driver(serio); |
| 1207 | return retval; |
| 1208 | } |
| 1209 | |
| 1210 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, |
| 1211 | ssize_t (*handler)(struct atkbd *, const char *, size_t)) |
| 1212 | { |
| 1213 | struct serio *serio = to_serio_port(dev); |
| 1214 | struct atkbd *atkbd; |
| 1215 | int retval; |
| 1216 | |
| 1217 | retval = serio_pin_driver(serio); |
| 1218 | if (retval) |
| 1219 | return retval; |
| 1220 | |
| 1221 | if (serio->drv != &atkbd_drv) { |
| 1222 | retval = -ENODEV; |
| 1223 | goto out; |
| 1224 | } |
| 1225 | |
| 1226 | atkbd = serio_get_drvdata(serio); |
| 1227 | atkbd_disable(atkbd); |
| 1228 | retval = handler(atkbd, buf, count); |
| 1229 | atkbd_enable(atkbd); |
| 1230 | |
| 1231 | out: |
| 1232 | serio_unpin_driver(serio); |
| 1233 | return retval; |
| 1234 | } |
| 1235 | |
| 1236 | static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf) |
| 1237 | { |
| 1238 | return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0); |
| 1239 | } |
| 1240 | |
| 1241 | static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count) |
| 1242 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1243 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1244 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1245 | int err; |
| 1246 | unsigned char old_extra, old_set; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1247 | |
| 1248 | if (!atkbd->write) |
| 1249 | return -EIO; |
| 1250 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1251 | if (strict_strtoul(buf, 10, &value) || value > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1252 | return -EINVAL; |
| 1253 | |
| 1254 | if (atkbd->extra != value) { |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1255 | /* |
| 1256 | * Since device's properties will change we need to |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1257 | * unregister old device. But allocate and register |
| 1258 | * new one first to make sure we have it. |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1259 | */ |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1260 | old_dev = atkbd->dev; |
| 1261 | old_extra = atkbd->extra; |
| 1262 | old_set = atkbd->set; |
| 1263 | |
| 1264 | new_dev = input_allocate_device(); |
| 1265 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1266 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1267 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1268 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1269 | atkbd->set = atkbd_select_set(atkbd, atkbd->set, value); |
| 1270 | atkbd_activate(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1271 | atkbd_set_keycode_table(atkbd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1272 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1273 | |
| 1274 | err = input_register_device(atkbd->dev); |
| 1275 | if (err) { |
| 1276 | input_free_device(new_dev); |
| 1277 | |
| 1278 | atkbd->dev = old_dev; |
| 1279 | atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); |
| 1280 | atkbd_set_keycode_table(atkbd); |
| 1281 | atkbd_set_device_attrs(atkbd); |
| 1282 | |
| 1283 | return err; |
| 1284 | } |
| 1285 | input_unregister_device(old_dev); |
| 1286 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1287 | } |
| 1288 | return count; |
| 1289 | } |
| 1290 | |
Dmitry Torokhov | 1ba36e1 | 2009-09-03 17:22:04 -0700 | [diff] [blame] | 1291 | static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf) |
| 1292 | { |
| 1293 | size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2, |
| 1294 | atkbd->force_release_mask, ATKBD_KEYMAP_SIZE); |
| 1295 | |
| 1296 | buf[len++] = '\n'; |
| 1297 | buf[len] = '\0'; |
| 1298 | |
| 1299 | return len; |
| 1300 | } |
| 1301 | |
| 1302 | static ssize_t atkbd_set_force_release(struct atkbd *atkbd, |
| 1303 | const char *buf, size_t count) |
| 1304 | { |
| 1305 | /* 64 bytes on stack should be acceptable */ |
| 1306 | DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE); |
| 1307 | int err; |
| 1308 | |
| 1309 | err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE); |
| 1310 | if (err) |
| 1311 | return err; |
| 1312 | |
| 1313 | memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask)); |
| 1314 | return count; |
| 1315 | } |
| 1316 | |
| 1317 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1318 | static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) |
| 1319 | { |
| 1320 | return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0); |
| 1321 | } |
| 1322 | |
| 1323 | static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count) |
| 1324 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1325 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1326 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1327 | int err; |
| 1328 | unsigned char old_scroll; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1329 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1330 | if (strict_strtoul(buf, 10, &value) || value > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1331 | return -EINVAL; |
| 1332 | |
| 1333 | if (atkbd->scroll != value) { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1334 | old_dev = atkbd->dev; |
| 1335 | old_scroll = atkbd->scroll; |
| 1336 | |
| 1337 | new_dev = input_allocate_device(); |
| 1338 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1339 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1340 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1341 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1342 | atkbd->scroll = value; |
| 1343 | atkbd_set_keycode_table(atkbd); |
| 1344 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1345 | |
| 1346 | err = input_register_device(atkbd->dev); |
| 1347 | if (err) { |
| 1348 | input_free_device(new_dev); |
| 1349 | |
| 1350 | atkbd->scroll = old_scroll; |
| 1351 | atkbd->dev = old_dev; |
| 1352 | atkbd_set_keycode_table(atkbd); |
| 1353 | atkbd_set_device_attrs(atkbd); |
| 1354 | |
| 1355 | return err; |
| 1356 | } |
| 1357 | input_unregister_device(old_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1358 | } |
| 1359 | return count; |
| 1360 | } |
| 1361 | |
| 1362 | static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf) |
| 1363 | { |
| 1364 | return sprintf(buf, "%d\n", atkbd->set); |
| 1365 | } |
| 1366 | |
| 1367 | static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) |
| 1368 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1369 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1370 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1371 | int err; |
| 1372 | unsigned char old_set, old_extra; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1373 | |
| 1374 | if (!atkbd->write) |
| 1375 | return -EIO; |
| 1376 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1377 | if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | return -EINVAL; |
| 1379 | |
| 1380 | if (atkbd->set != value) { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1381 | old_dev = atkbd->dev; |
| 1382 | old_extra = atkbd->extra; |
| 1383 | old_set = atkbd->set; |
| 1384 | |
| 1385 | new_dev = input_allocate_device(); |
| 1386 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1387 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1388 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1389 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1390 | atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); |
| 1391 | atkbd_activate(atkbd); |
| 1392 | atkbd_set_keycode_table(atkbd); |
| 1393 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1394 | |
| 1395 | err = input_register_device(atkbd->dev); |
| 1396 | if (err) { |
| 1397 | input_free_device(new_dev); |
| 1398 | |
| 1399 | atkbd->dev = old_dev; |
| 1400 | atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); |
| 1401 | atkbd_set_keycode_table(atkbd); |
| 1402 | atkbd_set_device_attrs(atkbd); |
| 1403 | |
| 1404 | return err; |
| 1405 | } |
| 1406 | input_unregister_device(old_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1407 | } |
| 1408 | return count; |
| 1409 | } |
| 1410 | |
| 1411 | static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf) |
| 1412 | { |
| 1413 | return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0); |
| 1414 | } |
| 1415 | |
| 1416 | static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count) |
| 1417 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1418 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1419 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1420 | int err; |
| 1421 | unsigned char old_softrepeat, old_softraw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1422 | |
| 1423 | if (!atkbd->write) |
| 1424 | return -EIO; |
| 1425 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1426 | if (strict_strtoul(buf, 10, &value) || value > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1427 | return -EINVAL; |
| 1428 | |
| 1429 | if (atkbd->softrepeat != value) { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1430 | old_dev = atkbd->dev; |
| 1431 | old_softrepeat = atkbd->softrepeat; |
| 1432 | old_softraw = atkbd->softraw; |
| 1433 | |
| 1434 | new_dev = input_allocate_device(); |
| 1435 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1436 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1437 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1438 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1439 | atkbd->softrepeat = value; |
| 1440 | if (atkbd->softrepeat) |
| 1441 | atkbd->softraw = 1; |
| 1442 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1443 | |
| 1444 | err = input_register_device(atkbd->dev); |
| 1445 | if (err) { |
| 1446 | input_free_device(new_dev); |
| 1447 | |
| 1448 | atkbd->dev = old_dev; |
| 1449 | atkbd->softrepeat = old_softrepeat; |
| 1450 | atkbd->softraw = old_softraw; |
| 1451 | atkbd_set_device_attrs(atkbd); |
| 1452 | |
| 1453 | return err; |
| 1454 | } |
| 1455 | input_unregister_device(old_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1456 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1457 | return count; |
| 1458 | } |
| 1459 | |
| 1460 | |
| 1461 | static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf) |
| 1462 | { |
| 1463 | return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0); |
| 1464 | } |
| 1465 | |
| 1466 | static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count) |
| 1467 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1468 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1469 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1470 | int err; |
| 1471 | unsigned char old_softraw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1472 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1473 | if (strict_strtoul(buf, 10, &value) || value > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1474 | return -EINVAL; |
| 1475 | |
| 1476 | if (atkbd->softraw != value) { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1477 | old_dev = atkbd->dev; |
| 1478 | old_softraw = atkbd->softraw; |
| 1479 | |
| 1480 | new_dev = input_allocate_device(); |
| 1481 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1482 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1483 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1484 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1485 | atkbd->softraw = value; |
| 1486 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1487 | |
| 1488 | err = input_register_device(atkbd->dev); |
| 1489 | if (err) { |
| 1490 | input_free_device(new_dev); |
| 1491 | |
| 1492 | atkbd->dev = old_dev; |
| 1493 | atkbd->softraw = old_softraw; |
| 1494 | atkbd_set_device_attrs(atkbd); |
| 1495 | |
| 1496 | return err; |
| 1497 | } |
| 1498 | input_unregister_device(old_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1499 | } |
| 1500 | return count; |
| 1501 | } |
| 1502 | |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 1503 | static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf) |
| 1504 | { |
| 1505 | return sprintf(buf, "%lu\n", atkbd->err_count); |
| 1506 | } |
| 1507 | |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1508 | static int __init atkbd_setup_forced_release(const struct dmi_system_id *id) |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1509 | { |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1510 | atkbd_platform_fixup = atkbd_apply_forced_release_keylist; |
| 1511 | atkbd_platform_fixup_data = id->driver_data; |
| 1512 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1513 | return 0; |
| 1514 | } |
| 1515 | |
| 1516 | static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = { |
| 1517 | { |
Matthew Garrett | 61579ba | 2008-08-15 13:54:51 -0400 | [diff] [blame] | 1518 | .ident = "Dell Laptop", |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1519 | .matches = { |
| 1520 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
Matthew Garrett | 61579ba | 2008-08-15 13:54:51 -0400 | [diff] [blame] | 1521 | DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1522 | }, |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1523 | .callback = atkbd_setup_forced_release, |
| 1524 | .driver_data = atkbd_dell_laptop_forced_release_keys, |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1525 | }, |
Jiri Kosina | 5a54c01 | 2008-06-26 10:46:38 -0400 | [diff] [blame] | 1526 | { |
Matthew Garrett | 2a3ec32 | 2008-12-30 00:43:11 -0800 | [diff] [blame] | 1527 | .ident = "Dell Laptop", |
| 1528 | .matches = { |
| 1529 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), |
| 1530 | DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ |
| 1531 | }, |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1532 | .callback = atkbd_setup_forced_release, |
| 1533 | .driver_data = atkbd_dell_laptop_forced_release_keys, |
Matthew Garrett | 2a3ec32 | 2008-12-30 00:43:11 -0800 | [diff] [blame] | 1534 | }, |
| 1535 | { |
Jiri Kosina | 5a54c01 | 2008-06-26 10:46:38 -0400 | [diff] [blame] | 1536 | .ident = "HP 2133", |
| 1537 | .matches = { |
| 1538 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), |
| 1539 | DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"), |
| 1540 | }, |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1541 | .callback = atkbd_setup_forced_release, |
| 1542 | .driver_data = atkbd_hp_forced_release_keys, |
Jiri Kosina | 5a54c01 | 2008-06-26 10:46:38 -0400 | [diff] [blame] | 1543 | }, |
Matthew Garrett | a8215b8 | 2008-11-11 09:40:42 -0500 | [diff] [blame] | 1544 | { |
Rikard Ljungstrand | 181f638 | 2008-12-19 21:59:20 -0500 | [diff] [blame] | 1545 | .ident = "HP Pavilion ZV6100", |
| 1546 | .matches = { |
| 1547 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), |
| 1548 | DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"), |
| 1549 | }, |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1550 | .callback = atkbd_setup_forced_release, |
| 1551 | .driver_data = atkbd_hp_zv6100_forced_release_keys, |
Rikard Ljungstrand | 181f638 | 2008-12-19 21:59:20 -0500 | [diff] [blame] | 1552 | }, |
| 1553 | { |
Dave Andrews | 2bcaa6a | 2009-09-03 17:21:27 -0700 | [diff] [blame] | 1554 | .ident = "HP Presario R4000", |
| 1555 | .matches = { |
| 1556 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), |
| 1557 | DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"), |
| 1558 | }, |
| 1559 | .callback = atkbd_setup_forced_release, |
| 1560 | .driver_data = atkbd_hp_r4000_forced_release_keys, |
| 1561 | }, |
| 1562 | { |
| 1563 | .ident = "HP Presario R4100", |
| 1564 | .matches = { |
| 1565 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), |
| 1566 | DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"), |
| 1567 | }, |
| 1568 | .callback = atkbd_setup_forced_release, |
| 1569 | .driver_data = atkbd_hp_r4000_forced_release_keys, |
| 1570 | }, |
| 1571 | { |
| 1572 | .ident = "HP Presario R4200", |
| 1573 | .matches = { |
| 1574 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), |
| 1575 | DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"), |
| 1576 | }, |
| 1577 | .callback = atkbd_setup_forced_release, |
| 1578 | .driver_data = atkbd_hp_r4000_forced_release_keys, |
| 1579 | }, |
| 1580 | { |
Matthew Garrett | a8215b8 | 2008-11-11 09:40:42 -0500 | [diff] [blame] | 1581 | .ident = "Inventec Symphony", |
| 1582 | .matches = { |
| 1583 | DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"), |
| 1584 | DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"), |
| 1585 | }, |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1586 | .callback = atkbd_setup_forced_release, |
| 1587 | .driver_data = atkbd_inventec_forced_release_keys, |
Matthew Garrett | a8215b8 | 2008-11-11 09:40:42 -0500 | [diff] [blame] | 1588 | }, |
Stuart Hopkins | 4200844 | 2008-12-20 04:12:33 -0500 | [diff] [blame] | 1589 | { |
| 1590 | .ident = "Samsung NC10", |
| 1591 | .matches = { |
| 1592 | DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), |
| 1593 | DMI_MATCH(DMI_PRODUCT_NAME, "NC10"), |
| 1594 | }, |
Daniel Mierswa | 3919169 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1595 | .callback = atkbd_setup_forced_release, |
| 1596 | .driver_data = atkbd_samsung_forced_release_keys, |
Stuart Hopkins | 4200844 | 2008-12-20 04:12:33 -0500 | [diff] [blame] | 1597 | }, |
Daniel Mierswa | adcb523 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1598 | { |
Barry Carroll | e04126c | 2009-04-14 10:38:34 -0700 | [diff] [blame] | 1599 | .ident = "Samsung NC20", |
| 1600 | .matches = { |
| 1601 | DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), |
| 1602 | DMI_MATCH(DMI_PRODUCT_NAME, "NC20"), |
| 1603 | }, |
| 1604 | .callback = atkbd_setup_forced_release, |
| 1605 | .driver_data = atkbd_samsung_forced_release_keys, |
| 1606 | }, |
| 1607 | { |
Dmitry Torokhov | 157f3a3 | 2009-04-13 15:27:50 -0700 | [diff] [blame] | 1608 | .ident = "Samsung SQ45S70S", |
| 1609 | .matches = { |
| 1610 | DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), |
| 1611 | DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"), |
| 1612 | }, |
| 1613 | .callback = atkbd_setup_forced_release, |
| 1614 | .driver_data = atkbd_samsung_forced_release_keys, |
| 1615 | }, |
| 1616 | { |
Daniel Mierswa | adcb523 | 2009-03-04 23:27:15 -0800 | [diff] [blame] | 1617 | .ident = "Fujitsu Amilo PA 1510", |
| 1618 | .matches = { |
| 1619 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), |
| 1620 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"), |
| 1621 | }, |
| 1622 | .callback = atkbd_setup_forced_release, |
| 1623 | .driver_data = atkbd_amilo_pa1510_forced_release_keys, |
| 1624 | }, |
Adrian Batzill | 9166d0f | 2009-05-11 15:22:16 -0700 | [diff] [blame] | 1625 | { |
Simon Davie | f0a14de | 2009-07-12 20:44:09 -0700 | [diff] [blame] | 1626 | .ident = "Fujitsu Amilo Pi 3525", |
| 1627 | .matches = { |
| 1628 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), |
| 1629 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"), |
| 1630 | }, |
| 1631 | .callback = atkbd_setup_forced_release, |
| 1632 | .driver_data = atkbd_amilo_pi3525_forced_release_keys, |
| 1633 | }, |
| 1634 | { |
Adrian Batzill | 9166d0f | 2009-05-11 15:22:16 -0700 | [diff] [blame] | 1635 | .ident = "Fujitsu Amilo Xi 3650", |
| 1636 | .matches = { |
| 1637 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), |
| 1638 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"), |
| 1639 | }, |
| 1640 | .callback = atkbd_setup_forced_release, |
| 1641 | .driver_data = atkbd_amilo_xi3650_forced_release_keys, |
| 1642 | }, |
Jerone Young | 032e46c | 2009-07-20 22:14:59 -0700 | [diff] [blame] | 1643 | { |
| 1644 | .ident = "Soltech Corporation TA12", |
| 1645 | .matches = { |
| 1646 | DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"), |
| 1647 | DMI_MATCH(DMI_PRODUCT_NAME, "TA12"), |
| 1648 | }, |
| 1649 | .callback = atkbd_setup_forced_release, |
| 1650 | .driver_data = atkdb_soltech_ta12_forced_release_keys, |
| 1651 | }, |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1652 | { } |
| 1653 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | |
| 1655 | static int __init atkbd_init(void) |
| 1656 | { |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1657 | dmi_check_system(atkbd_dmi_quirk_table); |
| 1658 | |
Akinobu Mita | 153a9df0 | 2006-11-23 23:35:10 -0500 | [diff] [blame] | 1659 | return serio_register_driver(&atkbd_drv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1660 | } |
| 1661 | |
| 1662 | static void __exit atkbd_exit(void) |
| 1663 | { |
| 1664 | serio_unregister_driver(&atkbd_drv); |
| 1665 | } |
| 1666 | |
| 1667 | module_init(atkbd_init); |
| 1668 | module_exit(atkbd_exit); |