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 | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 71 | static const unsigned short atkbd_set2_keycode[512] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | |
| 73 | #ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES |
| 74 | |
| 75 | /* XXX: need a more general approach */ |
| 76 | |
| 77 | #include "hpps2atkbd.h" /* include the keyboard scancodes */ |
| 78 | |
| 79 | #else |
| 80 | 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117, |
| 81 | 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0, |
| 82 | 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183, |
| 83 | 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185, |
| 84 | 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0, |
| 85 | 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85, |
| 86 | 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0, |
| 87 | 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99, |
| 88 | |
| 89 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 90 | 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125, |
| 91 | 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] | 92 | 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] | 93 | 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0, |
| 94 | 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0, |
| 95 | 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112, |
| 96 | 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0, |
| 97 | |
| 98 | 0, 0, 0, 65, 99, |
| 99 | #endif |
| 100 | }; |
| 101 | |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 102 | static const unsigned short atkbd_set3_keycode[512] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | |
| 104 | 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60, |
| 105 | 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62, |
| 106 | 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64, |
| 107 | 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66, |
| 108 | 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68, |
| 109 | 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70, |
| 110 | 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104, |
| 111 | 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183, |
| 112 | |
| 113 | 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] | 114 | 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] | 115 | 148,149,147,140 |
| 116 | }; |
| 117 | |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 118 | static const unsigned short atkbd_unxlate_table[128] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13, |
| 120 | 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, |
| 121 | 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, |
| 122 | 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3, |
| 123 | 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105, |
| 124 | 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63, |
| 125 | 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111, |
| 126 | 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110 |
| 127 | }; |
| 128 | |
| 129 | #define ATKBD_CMD_SETLEDS 0x10ed |
| 130 | #define ATKBD_CMD_GSCANSET 0x11f0 |
| 131 | #define ATKBD_CMD_SSCANSET 0x10f0 |
| 132 | #define ATKBD_CMD_GETID 0x02f2 |
| 133 | #define ATKBD_CMD_SETREP 0x10f3 |
| 134 | #define ATKBD_CMD_ENABLE 0x00f4 |
| 135 | #define ATKBD_CMD_RESET_DIS 0x00f5 |
| 136 | #define ATKBD_CMD_SETALL_MBR 0x00fa |
| 137 | #define ATKBD_CMD_RESET_BAT 0x02ff |
| 138 | #define ATKBD_CMD_RESEND 0x00fe |
| 139 | #define ATKBD_CMD_EX_ENABLE 0x10ea |
| 140 | #define ATKBD_CMD_EX_SETLEDS 0x20eb |
| 141 | #define ATKBD_CMD_OK_GETID 0x02e8 |
| 142 | |
| 143 | #define ATKBD_RET_ACK 0xfa |
| 144 | #define ATKBD_RET_NAK 0xfe |
| 145 | #define ATKBD_RET_BAT 0xaa |
| 146 | #define ATKBD_RET_EMUL0 0xe0 |
| 147 | #define ATKBD_RET_EMUL1 0xe1 |
| 148 | #define ATKBD_RET_RELEASE 0xf0 |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 149 | #define ATKBD_RET_HANJA 0xf1 |
| 150 | #define ATKBD_RET_HANGEUL 0xf2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | #define ATKBD_RET_ERR 0xff |
| 152 | |
| 153 | #define ATKBD_KEY_UNKNOWN 0 |
| 154 | #define ATKBD_KEY_NULL 255 |
| 155 | |
| 156 | #define ATKBD_SCR_1 254 |
| 157 | #define ATKBD_SCR_2 253 |
| 158 | #define ATKBD_SCR_4 252 |
| 159 | #define ATKBD_SCR_8 251 |
| 160 | #define ATKBD_SCR_CLICK 250 |
| 161 | #define ATKBD_SCR_LEFT 249 |
| 162 | #define ATKBD_SCR_RIGHT 248 |
| 163 | |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 164 | #define ATKBD_SPECIAL ATKBD_SCR_RIGHT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 166 | #define ATKBD_LED_EVENT_BIT 0 |
| 167 | #define ATKBD_REP_EVENT_BIT 1 |
| 168 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 169 | #define ATKBD_XL_ERR 0x01 |
| 170 | #define ATKBD_XL_BAT 0x02 |
| 171 | #define ATKBD_XL_ACK 0x04 |
| 172 | #define ATKBD_XL_NAK 0x08 |
| 173 | #define ATKBD_XL_HANGEUL 0x10 |
| 174 | #define ATKBD_XL_HANJA 0x20 |
| 175 | |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 176 | static const struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | unsigned char keycode; |
| 178 | unsigned char set2; |
| 179 | } atkbd_scroll_keys[] = { |
| 180 | { ATKBD_SCR_1, 0xc5 }, |
Vojtech Pavlik | 5212dd5 | 2005-05-28 15:51:47 -0700 | [diff] [blame] | 181 | { ATKBD_SCR_2, 0x9d }, |
| 182 | { ATKBD_SCR_4, 0xa4 }, |
| 183 | { ATKBD_SCR_8, 0x9b }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | { ATKBD_SCR_CLICK, 0xe0 }, |
| 185 | { ATKBD_SCR_LEFT, 0xcb }, |
| 186 | { ATKBD_SCR_RIGHT, 0xd2 }, |
| 187 | }; |
| 188 | |
| 189 | /* |
| 190 | * The atkbd control structure |
| 191 | */ |
| 192 | |
| 193 | struct atkbd { |
| 194 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 195 | struct ps2dev ps2dev; |
| 196 | struct input_dev *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | |
| 198 | /* Written only during init */ |
| 199 | char name[64]; |
| 200 | char phys[32]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | |
| 202 | unsigned short id; |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 203 | unsigned short keycode[512]; |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 204 | DECLARE_BITMAP(force_release_mask, 512); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | unsigned char set; |
| 206 | unsigned char translated; |
| 207 | unsigned char extra; |
| 208 | unsigned char write; |
| 209 | unsigned char softrepeat; |
| 210 | unsigned char softraw; |
| 211 | unsigned char scroll; |
| 212 | unsigned char enabled; |
| 213 | |
| 214 | /* Accessed only from interrupt */ |
| 215 | unsigned char emul; |
| 216 | unsigned char resend; |
| 217 | unsigned char release; |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 218 | unsigned long xl_bit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | unsigned int last; |
| 220 | unsigned long time; |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 221 | unsigned long err_count; |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 222 | |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 223 | struct delayed_work event_work; |
| 224 | unsigned long event_jiffies; |
Ingo Molnar | 33d3f07 | 2006-02-19 00:22:18 -0500 | [diff] [blame] | 225 | struct mutex event_mutex; |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 226 | unsigned long event_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | }; |
| 228 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 229 | /* |
| 230 | * System-specific ketymap fixup routine |
| 231 | */ |
| 232 | static void (*atkbd_platform_fixup)(struct atkbd *); |
| 233 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, |
| 235 | ssize_t (*handler)(struct atkbd *, char *)); |
| 236 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, |
| 237 | ssize_t (*handler)(struct atkbd *, const char *, size_t)); |
| 238 | #define ATKBD_DEFINE_ATTR(_name) \ |
| 239 | static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ |
| 240 | static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \ |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 241 | static ssize_t atkbd_do_show_##_name(struct device *d, \ |
| 242 | struct device_attribute *attr, char *b) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | { \ |
| 244 | return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ |
| 245 | } \ |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 246 | static ssize_t atkbd_do_set_##_name(struct device *d, \ |
| 247 | struct device_attribute *attr, const char *b, size_t s) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | { \ |
| 249 | return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \ |
| 250 | } \ |
Dmitry Torokhov | d083e90 | 2005-05-29 02:28:42 -0500 | [diff] [blame] | 251 | static struct device_attribute atkbd_attr_##_name = \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name); |
| 253 | |
| 254 | ATKBD_DEFINE_ATTR(extra); |
| 255 | ATKBD_DEFINE_ATTR(scroll); |
| 256 | ATKBD_DEFINE_ATTR(set); |
| 257 | ATKBD_DEFINE_ATTR(softrepeat); |
| 258 | ATKBD_DEFINE_ATTR(softraw); |
| 259 | |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 260 | #define ATKBD_DEFINE_RO_ATTR(_name) \ |
| 261 | static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ |
| 262 | static ssize_t atkbd_do_show_##_name(struct device *d, \ |
| 263 | struct device_attribute *attr, char *b) \ |
| 264 | { \ |
| 265 | return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ |
| 266 | } \ |
| 267 | static struct device_attribute atkbd_attr_##_name = \ |
| 268 | __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL); |
| 269 | |
| 270 | ATKBD_DEFINE_RO_ATTR(err_count); |
| 271 | |
| 272 | static struct attribute *atkbd_attributes[] = { |
| 273 | &atkbd_attr_extra.attr, |
| 274 | &atkbd_attr_scroll.attr, |
| 275 | &atkbd_attr_set.attr, |
| 276 | &atkbd_attr_softrepeat.attr, |
| 277 | &atkbd_attr_softraw.attr, |
| 278 | &atkbd_attr_err_count.attr, |
| 279 | NULL |
| 280 | }; |
| 281 | |
| 282 | static struct attribute_group atkbd_attribute_group = { |
| 283 | .attrs = atkbd_attributes, |
| 284 | }; |
| 285 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 286 | static const unsigned int xl_table[] = { |
| 287 | ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK, |
| 288 | ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL, |
| 289 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 291 | /* |
| 292 | * Checks if we should mangle the scancode to extract 'release' bit |
| 293 | * in translated mode. |
| 294 | */ |
| 295 | static int atkbd_need_xlate(unsigned long xl_bit, unsigned char code) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | { |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 297 | int i; |
| 298 | |
| 299 | if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1) |
| 300 | return 0; |
| 301 | |
| 302 | for (i = 0; i < ARRAY_SIZE(xl_table); i++) |
| 303 | if (code == xl_table[i]) |
| 304 | return test_bit(i, &xl_bit); |
| 305 | |
| 306 | return 1; |
| 307 | } |
| 308 | |
| 309 | /* |
| 310 | * Calculates new value of xl_bit so the driver can distinguish |
| 311 | * between make/break pair of scancodes for select keys and PS/2 |
| 312 | * protocol responses. |
| 313 | */ |
| 314 | static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code) |
| 315 | { |
| 316 | int i; |
| 317 | |
| 318 | for (i = 0; i < ARRAY_SIZE(xl_table); i++) { |
| 319 | if (!((code ^ xl_table[i]) & 0x7f)) { |
| 320 | if (code & 0x80) |
| 321 | __clear_bit(i, &atkbd->xl_bit); |
| 322 | else |
| 323 | __set_bit(i, &atkbd->xl_bit); |
| 324 | break; |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | /* |
| 330 | * Encode the scancode, 0xe0 prefix, and high bit into a single integer, |
| 331 | * keeping kernel 2.4 compatibility for set 2 |
| 332 | */ |
| 333 | static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code) |
| 334 | { |
| 335 | if (atkbd->set == 3) { |
| 336 | if (atkbd->emul == 1) |
| 337 | code |= 0x100; |
| 338 | } else { |
| 339 | code = (code & 0x7f) | ((code & 0x80) << 1); |
| 340 | if (atkbd->emul == 1) |
| 341 | code |= 0x80; |
| 342 | } |
| 343 | |
| 344 | return code; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | /* |
| 348 | * atkbd_interrupt(). Here takes place processing of data received from |
| 349 | * the keyboard into events. |
| 350 | */ |
| 351 | |
| 352 | static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 353 | unsigned int flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | { |
| 355 | struct atkbd *atkbd = serio_get_drvdata(serio); |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 356 | struct input_dev *dev = atkbd->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | unsigned int code = data; |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 358 | int scroll = 0, hscroll = 0, click = -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | int value; |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 360 | unsigned short keycode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | |
| 362 | #ifdef ATKBD_DEBUG |
| 363 | printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags); |
| 364 | #endif |
| 365 | |
| 366 | #if !defined(__i386__) && !defined (__x86_64__) |
| 367 | if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) { |
| 368 | printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags); |
| 369 | serio_write(serio, ATKBD_CMD_RESEND); |
| 370 | atkbd->resend = 1; |
| 371 | goto out; |
| 372 | } |
| 373 | |
| 374 | if (!flags && data == ATKBD_RET_ACK) |
| 375 | atkbd->resend = 0; |
| 376 | #endif |
| 377 | |
| 378 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK)) |
| 379 | if (ps2_handle_ack(&atkbd->ps2dev, data)) |
| 380 | goto out; |
| 381 | |
| 382 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD)) |
| 383 | if (ps2_handle_response(&atkbd->ps2dev, data)) |
| 384 | goto out; |
| 385 | |
| 386 | if (!atkbd->enabled) |
| 387 | goto out; |
| 388 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 389 | input_event(dev, EV_MSC, MSC_RAW, code); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | |
| 391 | if (atkbd->translated) { |
| 392 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 393 | if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | atkbd->release = code >> 7; |
| 395 | code &= 0x7f; |
| 396 | } |
| 397 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 398 | if (!atkbd->emul) |
| 399 | atkbd_calculate_xl_bit(atkbd, data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | } |
| 401 | |
| 402 | switch (code) { |
| 403 | case ATKBD_RET_BAT: |
| 404 | atkbd->enabled = 0; |
Dmitry Torokhov | dbc2634 | 2006-01-05 23:00:13 -0500 | [diff] [blame] | 405 | serio_reconnect(atkbd->ps2dev.serio); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | goto out; |
| 407 | case ATKBD_RET_EMUL0: |
| 408 | atkbd->emul = 1; |
| 409 | goto out; |
| 410 | case ATKBD_RET_EMUL1: |
| 411 | atkbd->emul = 2; |
| 412 | goto out; |
| 413 | case ATKBD_RET_RELEASE: |
| 414 | atkbd->release = 1; |
| 415 | goto out; |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 416 | case ATKBD_RET_ACK: |
| 417 | case ATKBD_RET_NAK: |
Qi Yong | 9f7a60d | 2007-06-28 00:47:10 -0400 | [diff] [blame] | 418 | if (printk_ratelimit()) |
| 419 | printk(KERN_WARNING "atkbd.c: Spurious %s on %s. " |
| 420 | "Some program might be trying access hardware directly.\n", |
| 421 | data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 422 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | case ATKBD_RET_ERR: |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 424 | atkbd->err_count++; |
| 425 | #ifdef ATKBD_DEBUG |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | 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] | 427 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | goto out; |
| 429 | } |
| 430 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 431 | code = atkbd_compat_scancode(atkbd, code); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 433 | if (atkbd->emul && --atkbd->emul) |
| 434 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 436 | keycode = atkbd->keycode[code]; |
| 437 | |
| 438 | if (keycode != ATKBD_KEY_NULL) |
| 439 | input_event(dev, EV_MSC, MSC_SCAN, code); |
| 440 | |
| 441 | switch (keycode) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | case ATKBD_KEY_NULL: |
| 443 | break; |
| 444 | case ATKBD_KEY_UNKNOWN: |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 445 | printk(KERN_WARNING |
| 446 | "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n", |
| 447 | atkbd->release ? "released" : "pressed", |
| 448 | atkbd->translated ? "translated" : "raw", |
| 449 | atkbd->set, code, serio->phys); |
| 450 | printk(KERN_WARNING |
| 451 | "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n", |
| 452 | code & 0x80 ? "e0" : "", code & 0x7f); |
| 453 | input_sync(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | break; |
| 455 | case ATKBD_SCR_1: |
| 456 | scroll = 1 - atkbd->release * 2; |
| 457 | break; |
| 458 | case ATKBD_SCR_2: |
| 459 | scroll = 2 - atkbd->release * 4; |
| 460 | break; |
| 461 | case ATKBD_SCR_4: |
| 462 | scroll = 4 - atkbd->release * 8; |
| 463 | break; |
| 464 | case ATKBD_SCR_8: |
| 465 | scroll = 8 - atkbd->release * 16; |
| 466 | break; |
| 467 | case ATKBD_SCR_CLICK: |
| 468 | click = !atkbd->release; |
| 469 | break; |
| 470 | case ATKBD_SCR_LEFT: |
| 471 | hscroll = -1; |
| 472 | break; |
| 473 | case ATKBD_SCR_RIGHT: |
| 474 | hscroll = 1; |
| 475 | break; |
| 476 | default: |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 477 | if (atkbd->release) { |
| 478 | value = 0; |
| 479 | atkbd->last = 0; |
| 480 | } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) { |
| 481 | /* Workaround Toshiba laptop multiple keypress */ |
| 482 | value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2; |
| 483 | } else { |
| 484 | value = 1; |
| 485 | atkbd->last = code; |
| 486 | atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | } |
| 488 | |
Dmitry Torokhov | f8b4c46 | 2006-06-27 23:42:17 -0400 | [diff] [blame] | 489 | input_event(dev, EV_KEY, keycode, value); |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 490 | input_sync(dev); |
| 491 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 492 | if (value && test_bit(code, atkbd->force_release_mask)) { |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 493 | input_report_key(dev, keycode, 0); |
| 494 | input_sync(dev); |
| 495 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | } |
| 497 | |
| 498 | if (atkbd->scroll) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | if (click != -1) |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 500 | input_report_key(dev, BTN_MIDDLE, click); |
| 501 | input_report_rel(dev, REL_WHEEL, scroll); |
| 502 | input_report_rel(dev, REL_HWHEEL, hscroll); |
| 503 | input_sync(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | atkbd->release = 0; |
| 507 | out: |
| 508 | return IRQ_HANDLED; |
| 509 | } |
| 510 | |
Dmitry Torokhov | 3d0f0fa | 2006-08-04 22:52:46 -0400 | [diff] [blame] | 511 | static int atkbd_set_repeat_rate(struct atkbd *atkbd) |
| 512 | { |
| 513 | const short period[32] = |
| 514 | { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125, |
| 515 | 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 }; |
| 516 | const short delay[4] = |
| 517 | { 250, 500, 750, 1000 }; |
| 518 | |
| 519 | struct input_dev *dev = atkbd->dev; |
| 520 | unsigned char param; |
| 521 | int i = 0, j = 0; |
| 522 | |
| 523 | while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD]) |
| 524 | i++; |
| 525 | dev->rep[REP_PERIOD] = period[i]; |
| 526 | |
Florin Malita | 8ea371f | 2006-08-23 00:45:33 -0400 | [diff] [blame] | 527 | while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY]) |
Dmitry Torokhov | 3d0f0fa | 2006-08-04 22:52:46 -0400 | [diff] [blame] | 528 | j++; |
| 529 | dev->rep[REP_DELAY] = delay[j]; |
| 530 | |
| 531 | param = i | (j << 5); |
| 532 | return ps2_command(&atkbd->ps2dev, ¶m, ATKBD_CMD_SETREP); |
| 533 | } |
| 534 | |
| 535 | static int atkbd_set_leds(struct atkbd *atkbd) |
| 536 | { |
| 537 | struct input_dev *dev = atkbd->dev; |
| 538 | unsigned char param[2]; |
| 539 | |
| 540 | param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0) |
| 541 | | (test_bit(LED_NUML, dev->led) ? 2 : 0) |
| 542 | | (test_bit(LED_CAPSL, dev->led) ? 4 : 0); |
| 543 | if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) |
| 544 | return -1; |
| 545 | |
| 546 | if (atkbd->extra) { |
| 547 | param[0] = 0; |
| 548 | param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0) |
| 549 | | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0) |
| 550 | | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0) |
| 551 | | (test_bit(LED_MISC, dev->led) ? 0x10 : 0) |
| 552 | | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0); |
| 553 | if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS)) |
| 554 | return -1; |
| 555 | } |
| 556 | |
| 557 | return 0; |
| 558 | } |
| 559 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | /* |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 561 | * atkbd_event_work() is used to complete processing of events that |
| 562 | * can not be processed by input_event() which is often called from |
| 563 | * interrupt context. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | */ |
| 565 | |
David Howells | 65f27f3 | 2006-11-22 14:55:48 +0000 | [diff] [blame] | 566 | static void atkbd_event_work(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 567 | { |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 568 | struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | |
Ingo Molnar | 33d3f07 | 2006-02-19 00:22:18 -0500 | [diff] [blame] | 570 | mutex_lock(&atkbd->event_mutex); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 571 | |
Dmitry Torokhov | 3d0f0fa | 2006-08-04 22:52:46 -0400 | [diff] [blame] | 572 | if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) |
| 573 | atkbd_set_leds(atkbd); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 574 | |
Dmitry Torokhov | 3d0f0fa | 2006-08-04 22:52:46 -0400 | [diff] [blame] | 575 | if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) |
| 576 | atkbd_set_repeat_rate(atkbd); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 577 | |
Ingo Molnar | 33d3f07 | 2006-02-19 00:22:18 -0500 | [diff] [blame] | 578 | mutex_unlock(&atkbd->event_mutex); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | /* |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 582 | * Schedule switch for execution. We need to throttle requests, |
| 583 | * otherwise keyboard may become unresponsive. |
| 584 | */ |
| 585 | static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit) |
| 586 | { |
| 587 | unsigned long delay = msecs_to_jiffies(50); |
| 588 | |
| 589 | if (time_after(jiffies, atkbd->event_jiffies + delay)) |
| 590 | delay = 0; |
| 591 | |
| 592 | atkbd->event_jiffies = jiffies; |
| 593 | set_bit(event_bit, &atkbd->event_mask); |
| 594 | wmb(); |
| 595 | schedule_delayed_work(&atkbd->event_work, delay); |
| 596 | } |
| 597 | |
| 598 | /* |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 599 | * Event callback from the input module. Events that change the state of |
| 600 | * the hardware are processed here. If action can not be performed in |
| 601 | * interrupt context it is offloaded to atkbd_event_work. |
| 602 | */ |
| 603 | |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 604 | static int atkbd_event(struct input_dev *dev, |
| 605 | unsigned int type, unsigned int code, int value) |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 606 | { |
Dmitry Torokhov | b356872 | 2007-04-12 01:34:20 -0400 | [diff] [blame] | 607 | struct atkbd *atkbd = input_get_drvdata(dev); |
Dmitry Torokhov | 0d4c859 | 2005-11-20 00:49:42 -0500 | [diff] [blame] | 608 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | if (!atkbd->write) |
| 610 | return -1; |
| 611 | |
| 612 | switch (type) { |
| 613 | |
| 614 | case EV_LED: |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 615 | atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 616 | return 0; |
| 617 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | case EV_REP: |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 619 | if (!atkbd->softrepeat) |
| 620 | atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | return 0; |
| 622 | } |
| 623 | |
| 624 | return -1; |
| 625 | } |
| 626 | |
| 627 | /* |
| 628 | * atkbd_enable() signals that interrupt handler is allowed to |
| 629 | * generate input events. |
| 630 | */ |
| 631 | |
| 632 | static inline void atkbd_enable(struct atkbd *atkbd) |
| 633 | { |
| 634 | serio_pause_rx(atkbd->ps2dev.serio); |
| 635 | atkbd->enabled = 1; |
| 636 | serio_continue_rx(atkbd->ps2dev.serio); |
| 637 | } |
| 638 | |
| 639 | /* |
| 640 | * atkbd_disable() tells input handler that all incoming data except |
| 641 | * for ACKs and command response should be dropped. |
| 642 | */ |
| 643 | |
| 644 | static inline void atkbd_disable(struct atkbd *atkbd) |
| 645 | { |
| 646 | serio_pause_rx(atkbd->ps2dev.serio); |
| 647 | atkbd->enabled = 0; |
| 648 | serio_continue_rx(atkbd->ps2dev.serio); |
| 649 | } |
| 650 | |
| 651 | /* |
| 652 | * atkbd_probe() probes for an AT keyboard on a serio port. |
| 653 | */ |
| 654 | |
| 655 | static int atkbd_probe(struct atkbd *atkbd) |
| 656 | { |
| 657 | struct ps2dev *ps2dev = &atkbd->ps2dev; |
| 658 | unsigned char param[2]; |
| 659 | |
| 660 | /* |
| 661 | * Some systems, where the bit-twiddling when testing the io-lines of the |
| 662 | * controller may confuse the keyboard need a full reset of the keyboard. On |
| 663 | * these systems the BIOS also usually doesn't do it for us. |
| 664 | */ |
| 665 | |
| 666 | if (atkbd_reset) |
| 667 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT)) |
| 668 | printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys); |
| 669 | |
| 670 | /* |
| 671 | * Then we check the keyboard ID. We should get 0xab83 under normal conditions. |
| 672 | * Some keyboards report different values, but the first byte is always 0xab or |
| 673 | * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this |
| 674 | * should make sure we don't try to set the LEDs on it. |
| 675 | */ |
| 676 | |
| 677 | param[0] = param[1] = 0xa5; /* initialize with invalid values */ |
| 678 | if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) { |
| 679 | |
| 680 | /* |
| 681 | * If the get ID command failed, we check if we can at least set the LEDs on |
| 682 | * the keyboard. This should work on every keyboard out there. It also turns |
| 683 | * the LEDs off, which we want anyway. |
| 684 | */ |
| 685 | param[0] = 0; |
| 686 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) |
| 687 | return -1; |
| 688 | atkbd->id = 0xabba; |
| 689 | return 0; |
| 690 | } |
| 691 | |
Dmitry Torokhov | 9807879 | 2006-09-14 01:31:27 -0400 | [diff] [blame] | 692 | if (!ps2_is_keyboard_id(param[0])) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 693 | return -1; |
| 694 | |
| 695 | atkbd->id = (param[0] << 8) | param[1]; |
| 696 | |
| 697 | if (atkbd->id == 0xaca1 && atkbd->translated) { |
| 698 | printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n"); |
| 699 | printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n"); |
| 700 | return -1; |
| 701 | } |
| 702 | |
| 703 | return 0; |
| 704 | } |
| 705 | |
| 706 | /* |
| 707 | * atkbd_select_set checks if a keyboard has a working Set 3 support, and |
| 708 | * sets it into that. Unfortunately there are keyboards that can be switched |
| 709 | * to Set 3, but don't work well in that (BTC Multimedia ...) |
| 710 | */ |
| 711 | |
| 712 | static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra) |
| 713 | { |
| 714 | struct ps2dev *ps2dev = &atkbd->ps2dev; |
| 715 | unsigned char param[2]; |
| 716 | |
| 717 | atkbd->extra = 0; |
| 718 | /* |
| 719 | * For known special keyboards we can go ahead and set the correct set. |
| 720 | * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and |
| 721 | * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards. |
| 722 | */ |
| 723 | |
| 724 | if (atkbd->translated) |
| 725 | return 2; |
| 726 | |
| 727 | if (atkbd->id == 0xaca1) { |
| 728 | param[0] = 3; |
| 729 | ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET); |
| 730 | return 3; |
| 731 | } |
| 732 | |
| 733 | if (allow_extra) { |
| 734 | param[0] = 0x71; |
| 735 | if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) { |
| 736 | atkbd->extra = 1; |
| 737 | return 2; |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | if (target_set != 3) |
| 742 | return 2; |
| 743 | |
| 744 | if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) { |
| 745 | atkbd->id = param[0] << 8 | param[1]; |
| 746 | return 2; |
| 747 | } |
| 748 | |
| 749 | param[0] = 3; |
| 750 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) |
| 751 | return 2; |
| 752 | |
| 753 | param[0] = 0; |
| 754 | if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET)) |
| 755 | return 2; |
| 756 | |
| 757 | if (param[0] != 3) { |
| 758 | param[0] = 2; |
| 759 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) |
| 760 | return 2; |
| 761 | } |
| 762 | |
| 763 | ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR); |
| 764 | |
| 765 | return 3; |
| 766 | } |
| 767 | |
| 768 | static int atkbd_activate(struct atkbd *atkbd) |
| 769 | { |
| 770 | struct ps2dev *ps2dev = &atkbd->ps2dev; |
| 771 | unsigned char param[1]; |
| 772 | |
| 773 | /* |
| 774 | * Set the LEDs to a defined state. |
| 775 | */ |
| 776 | |
| 777 | param[0] = 0; |
| 778 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) |
| 779 | return -1; |
| 780 | |
| 781 | /* |
| 782 | * Set autorepeat to fastest possible. |
| 783 | */ |
| 784 | |
| 785 | param[0] = 0; |
| 786 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP)) |
| 787 | return -1; |
| 788 | |
| 789 | /* |
| 790 | * Enable the keyboard to receive keystrokes. |
| 791 | */ |
| 792 | |
| 793 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) { |
| 794 | printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n", |
| 795 | ps2dev->serio->phys); |
| 796 | return -1; |
| 797 | } |
| 798 | |
| 799 | return 0; |
| 800 | } |
| 801 | |
| 802 | /* |
| 803 | * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a |
| 804 | * reboot. |
| 805 | */ |
| 806 | |
| 807 | static void atkbd_cleanup(struct serio *serio) |
| 808 | { |
| 809 | struct atkbd *atkbd = serio_get_drvdata(serio); |
Dmitry Torokhov | 57f5b15 | 2008-05-28 00:54:01 -0400 | [diff] [blame] | 810 | |
| 811 | atkbd_disable(atkbd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT); |
| 813 | } |
| 814 | |
| 815 | |
| 816 | /* |
| 817 | * atkbd_disconnect() closes and frees. |
| 818 | */ |
| 819 | |
| 820 | static void atkbd_disconnect(struct serio *serio) |
| 821 | { |
| 822 | struct atkbd *atkbd = serio_get_drvdata(serio); |
| 823 | |
| 824 | atkbd_disable(atkbd); |
| 825 | |
| 826 | /* make sure we don't have a command in flight */ |
Jiri Pirko | d6d79a7 | 2008-11-11 09:43:21 -0500 | [diff] [blame] | 827 | cancel_delayed_work_sync(&atkbd->event_work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 829 | sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 830 | input_unregister_device(atkbd->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 831 | serio_close(serio); |
| 832 | serio_set_drvdata(serio, NULL); |
| 833 | kfree(atkbd); |
| 834 | } |
| 835 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 836 | /* |
Matthew Garrett | 61579ba | 2008-08-15 13:54:51 -0400 | [diff] [blame] | 837 | * 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] | 838 | * events so we have to do it ourselves. |
| 839 | */ |
Matthew Garrett | 61579ba | 2008-08-15 13:54:51 -0400 | [diff] [blame] | 840 | static void atkbd_dell_laptop_keymap_fixup(struct atkbd *atkbd) |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 841 | { |
| 842 | const unsigned int forced_release_keys[] = { |
| 843 | 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, |
| 844 | }; |
| 845 | int i; |
| 846 | |
| 847 | if (atkbd->set == 2) |
| 848 | for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++) |
| 849 | __set_bit(forced_release_keys[i], |
| 850 | atkbd->force_release_mask); |
| 851 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | |
| 853 | /* |
Jiri Kosina | 5a54c01 | 2008-06-26 10:46:38 -0400 | [diff] [blame] | 854 | * Perform fixup for HP system that doesn't generate release |
| 855 | * for its video switch |
| 856 | */ |
| 857 | static void atkbd_hp_keymap_fixup(struct atkbd *atkbd) |
| 858 | { |
| 859 | const unsigned int forced_release_keys[] = { |
| 860 | 0x94, |
| 861 | }; |
| 862 | int i; |
| 863 | |
| 864 | if (atkbd->set == 2) |
| 865 | for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++) |
| 866 | __set_bit(forced_release_keys[i], |
| 867 | atkbd->force_release_mask); |
| 868 | } |
| 869 | |
| 870 | /* |
Matthew Garrett | a8215b8 | 2008-11-11 09:40:42 -0500 | [diff] [blame] | 871 | * Inventec system with broken key release on volume keys |
| 872 | */ |
| 873 | static void atkbd_inventec_keymap_fixup(struct atkbd *atkbd) |
| 874 | { |
| 875 | const unsigned int forced_release_keys[] = { |
| 876 | 0xae, 0xb0, |
| 877 | }; |
| 878 | int i; |
| 879 | |
| 880 | if (atkbd->set == 2) |
| 881 | for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++) |
| 882 | __set_bit(forced_release_keys[i], |
| 883 | atkbd->force_release_mask); |
| 884 | } |
| 885 | |
| 886 | /* |
Rikard Ljungstrand | 181f638 | 2008-12-19 21:59:20 -0500 | [diff] [blame] | 887 | * Perform fixup for HP Pavilion ZV6100 laptop that doesn't generate release |
| 888 | * for its volume buttons |
| 889 | */ |
| 890 | static void atkbd_hp_zv6100_keymap_fixup(struct atkbd *atkbd) |
| 891 | { |
| 892 | const unsigned int forced_release_keys[] = { |
| 893 | 0xae, 0xb0, |
| 894 | }; |
| 895 | int i; |
| 896 | |
| 897 | if (atkbd->set == 2) |
| 898 | for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++) |
| 899 | __set_bit(forced_release_keys[i], |
| 900 | atkbd->force_release_mask); |
| 901 | } |
| 902 | |
| 903 | /* |
Stuart Hopkins | 4200844 | 2008-12-20 04:12:33 -0500 | [diff] [blame] | 904 | * Samsung NC10 with Fn+F? key release not working |
| 905 | */ |
| 906 | static void atkbd_samsung_keymap_fixup(struct atkbd *atkbd) |
| 907 | { |
| 908 | const unsigned int forced_release_keys[] = { |
| 909 | 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, |
| 910 | }; |
| 911 | int i; |
| 912 | |
| 913 | if (atkbd->set == 2) |
| 914 | for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++) |
| 915 | __set_bit(forced_release_keys[i], |
| 916 | atkbd->force_release_mask); |
| 917 | } |
| 918 | |
| 919 | /* |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 920 | * atkbd_set_keycode_table() initializes keyboard's keycode table |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 921 | * according to the selected scancode set |
| 922 | */ |
| 923 | |
| 924 | static void atkbd_set_keycode_table(struct atkbd *atkbd) |
| 925 | { |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 926 | unsigned int scancode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | int i, j; |
| 928 | |
| 929 | memset(atkbd->keycode, 0, sizeof(atkbd->keycode)); |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 930 | bitmap_zero(atkbd->force_release_mask, 512); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | |
| 932 | if (atkbd->translated) { |
| 933 | for (i = 0; i < 128; i++) { |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 934 | scancode = atkbd_unxlate_table[i]; |
| 935 | atkbd->keycode[i] = atkbd_set2_keycode[scancode]; |
| 936 | atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | if (atkbd->scroll) |
| 938 | for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++) |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 939 | if ((scancode | 0x80) == atkbd_scroll_keys[j].set2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 940 | atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode; |
| 941 | } |
| 942 | } else if (atkbd->set == 3) { |
| 943 | memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode)); |
| 944 | } else { |
| 945 | memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode)); |
| 946 | |
| 947 | if (atkbd->scroll) |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 948 | for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) { |
| 949 | scancode = atkbd_scroll_keys[i].set2; |
| 950 | atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode; |
| 951 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 952 | } |
Dmitry Torokhov | 0ae051a | 2006-06-26 01:52:34 -0400 | [diff] [blame] | 953 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 954 | /* |
| 955 | * HANGEUL and HANJA keys do not send release events so we need to |
| 956 | * generate such events ourselves |
| 957 | */ |
| 958 | scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL); |
| 959 | atkbd->keycode[scancode] = KEY_HANGEUL; |
| 960 | __set_bit(scancode, atkbd->force_release_mask); |
| 961 | |
| 962 | scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA); |
| 963 | atkbd->keycode[scancode] = KEY_HANJA; |
| 964 | __set_bit(scancode, atkbd->force_release_mask); |
| 965 | |
| 966 | /* |
| 967 | * Perform additional fixups |
| 968 | */ |
| 969 | if (atkbd_platform_fixup) |
| 970 | atkbd_platform_fixup(atkbd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 971 | } |
| 972 | |
| 973 | /* |
| 974 | * atkbd_set_device_attrs() sets up keyboard's input device structure |
| 975 | */ |
| 976 | |
| 977 | static void atkbd_set_device_attrs(struct atkbd *atkbd) |
| 978 | { |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 979 | struct input_dev *input_dev = atkbd->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | int i; |
| 981 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 982 | if (atkbd->extra) |
Dmitry Torokhov | ea08c6f | 2006-06-26 01:46:17 -0400 | [diff] [blame] | 983 | snprintf(atkbd->name, sizeof(atkbd->name), |
| 984 | "AT Set 2 Extra keyboard"); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 985 | else |
Dmitry Torokhov | ea08c6f | 2006-06-26 01:46:17 -0400 | [diff] [blame] | 986 | snprintf(atkbd->name, sizeof(atkbd->name), |
| 987 | "AT %s Set %d keyboard", |
| 988 | atkbd->translated ? "Translated" : "Raw", atkbd->set); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | |
Dmitry Torokhov | ea08c6f | 2006-06-26 01:46:17 -0400 | [diff] [blame] | 990 | snprintf(atkbd->phys, sizeof(atkbd->phys), |
| 991 | "%s/input0", atkbd->ps2dev.serio->phys); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 992 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 993 | input_dev->name = atkbd->name; |
| 994 | input_dev->phys = atkbd->phys; |
| 995 | input_dev->id.bustype = BUS_I8042; |
| 996 | input_dev->id.vendor = 0x0001; |
| 997 | input_dev->id.product = atkbd->translated ? 1 : atkbd->set; |
| 998 | input_dev->id.version = atkbd->id; |
| 999 | input_dev->event = atkbd_event; |
Dmitry Torokhov | 469ba4d | 2007-04-12 01:34:58 -0400 | [diff] [blame] | 1000 | input_dev->dev.parent = &atkbd->ps2dev.serio->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | |
Dmitry Torokhov | b356872 | 2007-04-12 01:34:20 -0400 | [diff] [blame] | 1002 | input_set_drvdata(input_dev, atkbd); |
| 1003 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 1004 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | |
| 1005 | BIT_MASK(EV_MSC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | |
| 1007 | if (atkbd->write) { |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 1008 | input_dev->evbit[0] |= BIT_MASK(EV_LED); |
| 1009 | input_dev->ledbit[0] = BIT_MASK(LED_NUML) | |
| 1010 | BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1011 | } |
| 1012 | |
| 1013 | if (atkbd->extra) |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 1014 | input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) | |
| 1015 | BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) | |
| 1016 | BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1017 | |
| 1018 | if (!atkbd->softrepeat) { |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1019 | input_dev->rep[REP_DELAY] = 250; |
| 1020 | input_dev->rep[REP_PERIOD] = 33; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | } |
| 1022 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 1023 | input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) : |
| 1024 | BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1025 | |
| 1026 | if (atkbd->scroll) { |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 1027 | input_dev->evbit[0] |= BIT_MASK(EV_REL); |
| 1028 | input_dev->relbit[0] = BIT_MASK(REL_WHEEL) | |
| 1029 | BIT_MASK(REL_HWHEEL); |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 1030 | __set_bit(BTN_MIDDLE, input_dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1031 | } |
| 1032 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1033 | input_dev->keycode = atkbd->keycode; |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 1034 | input_dev->keycodesize = sizeof(unsigned short); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1035 | input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1036 | |
| 1037 | for (i = 0; i < 512; i++) |
| 1038 | if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL) |
Dmitry Torokhov | f6d6561 | 2008-06-02 00:39:45 -0400 | [diff] [blame] | 1039 | __set_bit(atkbd->keycode[i], input_dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1040 | } |
| 1041 | |
| 1042 | /* |
| 1043 | * atkbd_connect() is called when the serio module finds an interface |
| 1044 | * that isn't handled yet by an appropriate device driver. We check if |
| 1045 | * there is an AT keyboard out there and if yes, we register ourselves |
| 1046 | * to the input module. |
| 1047 | */ |
| 1048 | |
| 1049 | static int atkbd_connect(struct serio *serio, struct serio_driver *drv) |
| 1050 | { |
| 1051 | struct atkbd *atkbd; |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1052 | struct input_dev *dev; |
| 1053 | int err = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1054 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1055 | atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL); |
| 1056 | dev = input_allocate_device(); |
| 1057 | if (!atkbd || !dev) |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1058 | goto fail1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1059 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1060 | atkbd->dev = dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1061 | ps2_init(&atkbd->ps2dev, serio); |
Dmitry Torokhov | da4249c | 2007-06-28 00:46:56 -0400 | [diff] [blame] | 1062 | INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work); |
Ingo Molnar | 33d3f07 | 2006-02-19 00:22:18 -0500 | [diff] [blame] | 1063 | mutex_init(&atkbd->event_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1064 | |
| 1065 | switch (serio->id.type) { |
| 1066 | |
| 1067 | case SERIO_8042_XL: |
| 1068 | atkbd->translated = 1; |
| 1069 | case SERIO_8042: |
| 1070 | if (serio->write) |
| 1071 | atkbd->write = 1; |
| 1072 | break; |
| 1073 | } |
| 1074 | |
| 1075 | atkbd->softraw = atkbd_softraw; |
| 1076 | atkbd->softrepeat = atkbd_softrepeat; |
| 1077 | atkbd->scroll = atkbd_scroll; |
| 1078 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1079 | if (atkbd->softrepeat) |
| 1080 | atkbd->softraw = 1; |
| 1081 | |
| 1082 | serio_set_drvdata(serio, atkbd); |
| 1083 | |
| 1084 | err = serio_open(serio, drv); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1085 | if (err) |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1086 | goto fail2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1087 | |
| 1088 | if (atkbd->write) { |
| 1089 | |
| 1090 | if (atkbd_probe(atkbd)) { |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1091 | err = -ENODEV; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1092 | goto fail3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1093 | } |
| 1094 | |
| 1095 | atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra); |
| 1096 | atkbd_activate(atkbd); |
| 1097 | |
| 1098 | } else { |
| 1099 | atkbd->set = 2; |
| 1100 | atkbd->id = 0xab00; |
| 1101 | } |
| 1102 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1103 | atkbd_set_keycode_table(atkbd); |
| 1104 | atkbd_set_device_attrs(atkbd); |
| 1105 | |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1106 | err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group); |
| 1107 | if (err) |
| 1108 | goto fail3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1109 | |
| 1110 | atkbd_enable(atkbd); |
| 1111 | |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1112 | err = input_register_device(atkbd->dev); |
| 1113 | if (err) |
| 1114 | goto fail4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1115 | |
| 1116 | return 0; |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1117 | |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1118 | fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); |
| 1119 | fail3: serio_close(serio); |
| 1120 | fail2: serio_set_drvdata(serio, NULL); |
| 1121 | fail1: input_free_device(dev); |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1122 | kfree(atkbd); |
| 1123 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1124 | } |
| 1125 | |
| 1126 | /* |
| 1127 | * atkbd_reconnect() tries to restore keyboard into a sane state and is |
| 1128 | * most likely called on resume. |
| 1129 | */ |
| 1130 | |
| 1131 | static int atkbd_reconnect(struct serio *serio) |
| 1132 | { |
| 1133 | struct atkbd *atkbd = serio_get_drvdata(serio); |
| 1134 | struct serio_driver *drv = serio->drv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1135 | |
| 1136 | if (!atkbd || !drv) { |
| 1137 | printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n"); |
| 1138 | return -1; |
| 1139 | } |
| 1140 | |
| 1141 | atkbd_disable(atkbd); |
| 1142 | |
| 1143 | if (atkbd->write) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1144 | if (atkbd_probe(atkbd)) |
| 1145 | return -1; |
| 1146 | if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra)) |
| 1147 | return -1; |
| 1148 | |
| 1149 | atkbd_activate(atkbd); |
| 1150 | |
Dmitry Torokhov | 3d0f0fa | 2006-08-04 22:52:46 -0400 | [diff] [blame] | 1151 | /* |
| 1152 | * Restore repeat rate and LEDs (that were reset by atkbd_activate) |
| 1153 | * to pre-resume state |
| 1154 | */ |
| 1155 | if (!atkbd->softrepeat) |
| 1156 | atkbd_set_repeat_rate(atkbd); |
| 1157 | atkbd_set_leds(atkbd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1158 | } |
| 1159 | |
| 1160 | atkbd_enable(atkbd); |
| 1161 | |
| 1162 | return 0; |
| 1163 | } |
| 1164 | |
| 1165 | static struct serio_device_id atkbd_serio_ids[] = { |
| 1166 | { |
| 1167 | .type = SERIO_8042, |
| 1168 | .proto = SERIO_ANY, |
| 1169 | .id = SERIO_ANY, |
| 1170 | .extra = SERIO_ANY, |
| 1171 | }, |
| 1172 | { |
| 1173 | .type = SERIO_8042_XL, |
| 1174 | .proto = SERIO_ANY, |
| 1175 | .id = SERIO_ANY, |
| 1176 | .extra = SERIO_ANY, |
| 1177 | }, |
| 1178 | { |
| 1179 | .type = SERIO_RS232, |
| 1180 | .proto = SERIO_PS2SER, |
| 1181 | .id = SERIO_ANY, |
| 1182 | .extra = SERIO_ANY, |
| 1183 | }, |
| 1184 | { 0 } |
| 1185 | }; |
| 1186 | |
| 1187 | MODULE_DEVICE_TABLE(serio, atkbd_serio_ids); |
| 1188 | |
| 1189 | static struct serio_driver atkbd_drv = { |
| 1190 | .driver = { |
| 1191 | .name = "atkbd", |
| 1192 | }, |
| 1193 | .description = DRIVER_DESC, |
| 1194 | .id_table = atkbd_serio_ids, |
| 1195 | .interrupt = atkbd_interrupt, |
| 1196 | .connect = atkbd_connect, |
| 1197 | .reconnect = atkbd_reconnect, |
| 1198 | .disconnect = atkbd_disconnect, |
| 1199 | .cleanup = atkbd_cleanup, |
| 1200 | }; |
| 1201 | |
| 1202 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, |
| 1203 | ssize_t (*handler)(struct atkbd *, char *)) |
| 1204 | { |
| 1205 | struct serio *serio = to_serio_port(dev); |
| 1206 | int retval; |
| 1207 | |
| 1208 | retval = serio_pin_driver(serio); |
| 1209 | if (retval) |
| 1210 | return retval; |
| 1211 | |
| 1212 | if (serio->drv != &atkbd_drv) { |
| 1213 | retval = -ENODEV; |
| 1214 | goto out; |
| 1215 | } |
| 1216 | |
| 1217 | retval = handler((struct atkbd *)serio_get_drvdata(serio), buf); |
| 1218 | |
| 1219 | out: |
| 1220 | serio_unpin_driver(serio); |
| 1221 | return retval; |
| 1222 | } |
| 1223 | |
| 1224 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, |
| 1225 | ssize_t (*handler)(struct atkbd *, const char *, size_t)) |
| 1226 | { |
| 1227 | struct serio *serio = to_serio_port(dev); |
| 1228 | struct atkbd *atkbd; |
| 1229 | int retval; |
| 1230 | |
| 1231 | retval = serio_pin_driver(serio); |
| 1232 | if (retval) |
| 1233 | return retval; |
| 1234 | |
| 1235 | if (serio->drv != &atkbd_drv) { |
| 1236 | retval = -ENODEV; |
| 1237 | goto out; |
| 1238 | } |
| 1239 | |
| 1240 | atkbd = serio_get_drvdata(serio); |
| 1241 | atkbd_disable(atkbd); |
| 1242 | retval = handler(atkbd, buf, count); |
| 1243 | atkbd_enable(atkbd); |
| 1244 | |
| 1245 | out: |
| 1246 | serio_unpin_driver(serio); |
| 1247 | return retval; |
| 1248 | } |
| 1249 | |
| 1250 | static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf) |
| 1251 | { |
| 1252 | return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0); |
| 1253 | } |
| 1254 | |
| 1255 | static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count) |
| 1256 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1257 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1258 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1259 | int err; |
| 1260 | unsigned char old_extra, old_set; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1261 | |
| 1262 | if (!atkbd->write) |
| 1263 | return -EIO; |
| 1264 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1265 | if (strict_strtoul(buf, 10, &value) || value > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1266 | return -EINVAL; |
| 1267 | |
| 1268 | if (atkbd->extra != value) { |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1269 | /* |
| 1270 | * Since device's properties will change we need to |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1271 | * unregister old device. But allocate and register |
| 1272 | * new one first to make sure we have it. |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1273 | */ |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1274 | old_dev = atkbd->dev; |
| 1275 | old_extra = atkbd->extra; |
| 1276 | old_set = atkbd->set; |
| 1277 | |
| 1278 | new_dev = input_allocate_device(); |
| 1279 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1280 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1281 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1282 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1283 | atkbd->set = atkbd_select_set(atkbd, atkbd->set, value); |
| 1284 | atkbd_activate(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1285 | atkbd_set_keycode_table(atkbd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1286 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1287 | |
| 1288 | err = input_register_device(atkbd->dev); |
| 1289 | if (err) { |
| 1290 | input_free_device(new_dev); |
| 1291 | |
| 1292 | atkbd->dev = old_dev; |
| 1293 | atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); |
| 1294 | atkbd_set_keycode_table(atkbd); |
| 1295 | atkbd_set_device_attrs(atkbd); |
| 1296 | |
| 1297 | return err; |
| 1298 | } |
| 1299 | input_unregister_device(old_dev); |
| 1300 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1301 | } |
| 1302 | return count; |
| 1303 | } |
| 1304 | |
| 1305 | static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) |
| 1306 | { |
| 1307 | return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0); |
| 1308 | } |
| 1309 | |
| 1310 | static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count) |
| 1311 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1312 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1313 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1314 | int err; |
| 1315 | unsigned char old_scroll; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1316 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1317 | if (strict_strtoul(buf, 10, &value) || value > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1318 | return -EINVAL; |
| 1319 | |
| 1320 | if (atkbd->scroll != value) { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1321 | old_dev = atkbd->dev; |
| 1322 | old_scroll = atkbd->scroll; |
| 1323 | |
| 1324 | new_dev = input_allocate_device(); |
| 1325 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1326 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1327 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1328 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1329 | atkbd->scroll = value; |
| 1330 | atkbd_set_keycode_table(atkbd); |
| 1331 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1332 | |
| 1333 | err = input_register_device(atkbd->dev); |
| 1334 | if (err) { |
| 1335 | input_free_device(new_dev); |
| 1336 | |
| 1337 | atkbd->scroll = old_scroll; |
| 1338 | atkbd->dev = old_dev; |
| 1339 | atkbd_set_keycode_table(atkbd); |
| 1340 | atkbd_set_device_attrs(atkbd); |
| 1341 | |
| 1342 | return err; |
| 1343 | } |
| 1344 | input_unregister_device(old_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1345 | } |
| 1346 | return count; |
| 1347 | } |
| 1348 | |
| 1349 | static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf) |
| 1350 | { |
| 1351 | return sprintf(buf, "%d\n", atkbd->set); |
| 1352 | } |
| 1353 | |
| 1354 | static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) |
| 1355 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1356 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1357 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1358 | int err; |
| 1359 | unsigned char old_set, old_extra; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1360 | |
| 1361 | if (!atkbd->write) |
| 1362 | return -EIO; |
| 1363 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1364 | if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1365 | return -EINVAL; |
| 1366 | |
| 1367 | if (atkbd->set != value) { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1368 | old_dev = atkbd->dev; |
| 1369 | old_extra = atkbd->extra; |
| 1370 | old_set = atkbd->set; |
| 1371 | |
| 1372 | new_dev = input_allocate_device(); |
| 1373 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1374 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1375 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1376 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1377 | atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); |
| 1378 | atkbd_activate(atkbd); |
| 1379 | atkbd_set_keycode_table(atkbd); |
| 1380 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1381 | |
| 1382 | err = input_register_device(atkbd->dev); |
| 1383 | if (err) { |
| 1384 | input_free_device(new_dev); |
| 1385 | |
| 1386 | atkbd->dev = old_dev; |
| 1387 | atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); |
| 1388 | atkbd_set_keycode_table(atkbd); |
| 1389 | atkbd_set_device_attrs(atkbd); |
| 1390 | |
| 1391 | return err; |
| 1392 | } |
| 1393 | input_unregister_device(old_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | } |
| 1395 | return count; |
| 1396 | } |
| 1397 | |
| 1398 | static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf) |
| 1399 | { |
| 1400 | return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0); |
| 1401 | } |
| 1402 | |
| 1403 | static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count) |
| 1404 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1405 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1406 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1407 | int err; |
| 1408 | unsigned char old_softrepeat, old_softraw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1409 | |
| 1410 | if (!atkbd->write) |
| 1411 | return -EIO; |
| 1412 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1413 | if (strict_strtoul(buf, 10, &value) || value > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1414 | return -EINVAL; |
| 1415 | |
| 1416 | if (atkbd->softrepeat != value) { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1417 | old_dev = atkbd->dev; |
| 1418 | old_softrepeat = atkbd->softrepeat; |
| 1419 | old_softraw = atkbd->softraw; |
| 1420 | |
| 1421 | new_dev = input_allocate_device(); |
| 1422 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1423 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1424 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1425 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1426 | atkbd->softrepeat = value; |
| 1427 | if (atkbd->softrepeat) |
| 1428 | atkbd->softraw = 1; |
| 1429 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1430 | |
| 1431 | err = input_register_device(atkbd->dev); |
| 1432 | if (err) { |
| 1433 | input_free_device(new_dev); |
| 1434 | |
| 1435 | atkbd->dev = old_dev; |
| 1436 | atkbd->softrepeat = old_softrepeat; |
| 1437 | atkbd->softraw = old_softraw; |
| 1438 | atkbd_set_device_attrs(atkbd); |
| 1439 | |
| 1440 | return err; |
| 1441 | } |
| 1442 | input_unregister_device(old_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1443 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | return count; |
| 1445 | } |
| 1446 | |
| 1447 | |
| 1448 | static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf) |
| 1449 | { |
| 1450 | return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0); |
| 1451 | } |
| 1452 | |
| 1453 | static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count) |
| 1454 | { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1455 | struct input_dev *old_dev, *new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1456 | unsigned long value; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1457 | int err; |
| 1458 | unsigned char old_softraw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1459 | |
Joe Rouvier | 160f1fe | 2008-08-10 00:29:25 -0400 | [diff] [blame] | 1460 | if (strict_strtoul(buf, 10, &value) || value > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1461 | return -EINVAL; |
| 1462 | |
| 1463 | if (atkbd->softraw != value) { |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1464 | old_dev = atkbd->dev; |
| 1465 | old_softraw = atkbd->softraw; |
| 1466 | |
| 1467 | new_dev = input_allocate_device(); |
| 1468 | if (!new_dev) |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1469 | return -ENOMEM; |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1470 | |
Dmitry Torokhov | 3c42f0c | 2005-09-15 02:01:45 -0500 | [diff] [blame] | 1471 | atkbd->dev = new_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1472 | atkbd->softraw = value; |
| 1473 | atkbd_set_device_attrs(atkbd); |
Dmitry Torokhov | 2b03b60 | 2006-11-05 22:39:56 -0500 | [diff] [blame] | 1474 | |
| 1475 | err = input_register_device(atkbd->dev); |
| 1476 | if (err) { |
| 1477 | input_free_device(new_dev); |
| 1478 | |
| 1479 | atkbd->dev = old_dev; |
| 1480 | atkbd->softraw = old_softraw; |
| 1481 | atkbd_set_device_attrs(atkbd); |
| 1482 | |
| 1483 | return err; |
| 1484 | } |
| 1485 | input_unregister_device(old_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1486 | } |
| 1487 | return count; |
| 1488 | } |
| 1489 | |
Dmitry Torokhov | 86255d9 | 2006-10-11 01:44:46 -0400 | [diff] [blame] | 1490 | static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf) |
| 1491 | { |
| 1492 | return sprintf(buf, "%lu\n", atkbd->err_count); |
| 1493 | } |
| 1494 | |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1495 | static int __init atkbd_setup_fixup(const struct dmi_system_id *id) |
| 1496 | { |
| 1497 | atkbd_platform_fixup = id->driver_data; |
| 1498 | return 0; |
| 1499 | } |
| 1500 | |
| 1501 | static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = { |
| 1502 | { |
Matthew Garrett | 61579ba | 2008-08-15 13:54:51 -0400 | [diff] [blame] | 1503 | .ident = "Dell Laptop", |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1504 | .matches = { |
| 1505 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
Matthew Garrett | 61579ba | 2008-08-15 13:54:51 -0400 | [diff] [blame] | 1506 | DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1507 | }, |
| 1508 | .callback = atkbd_setup_fixup, |
Matthew Garrett | 61579ba | 2008-08-15 13:54:51 -0400 | [diff] [blame] | 1509 | .driver_data = atkbd_dell_laptop_keymap_fixup, |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1510 | }, |
Jiri Kosina | 5a54c01 | 2008-06-26 10:46:38 -0400 | [diff] [blame] | 1511 | { |
Matthew Garrett | 2a3ec32 | 2008-12-30 00:43:11 -0800 | [diff] [blame] | 1512 | .ident = "Dell Laptop", |
| 1513 | .matches = { |
| 1514 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), |
| 1515 | DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ |
| 1516 | }, |
| 1517 | .callback = atkbd_setup_fixup, |
| 1518 | .driver_data = atkbd_dell_laptop_keymap_fixup, |
| 1519 | }, |
| 1520 | { |
Jiri Kosina | 5a54c01 | 2008-06-26 10:46:38 -0400 | [diff] [blame] | 1521 | .ident = "HP 2133", |
| 1522 | .matches = { |
| 1523 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), |
| 1524 | DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"), |
| 1525 | }, |
| 1526 | .callback = atkbd_setup_fixup, |
| 1527 | .driver_data = atkbd_hp_keymap_fixup, |
| 1528 | }, |
Matthew Garrett | a8215b8 | 2008-11-11 09:40:42 -0500 | [diff] [blame] | 1529 | { |
Rikard Ljungstrand | 181f638 | 2008-12-19 21:59:20 -0500 | [diff] [blame] | 1530 | .ident = "HP Pavilion ZV6100", |
| 1531 | .matches = { |
| 1532 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), |
| 1533 | DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"), |
| 1534 | }, |
| 1535 | .callback = atkbd_setup_fixup, |
| 1536 | .driver_data = atkbd_hp_zv6100_keymap_fixup, |
| 1537 | }, |
| 1538 | { |
Matthew Garrett | a8215b8 | 2008-11-11 09:40:42 -0500 | [diff] [blame] | 1539 | .ident = "Inventec Symphony", |
| 1540 | .matches = { |
| 1541 | DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"), |
| 1542 | DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"), |
| 1543 | }, |
| 1544 | .callback = atkbd_setup_fixup, |
| 1545 | .driver_data = atkbd_inventec_keymap_fixup, |
| 1546 | }, |
Stuart Hopkins | 4200844 | 2008-12-20 04:12:33 -0500 | [diff] [blame] | 1547 | { |
| 1548 | .ident = "Samsung NC10", |
| 1549 | .matches = { |
| 1550 | DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), |
| 1551 | DMI_MATCH(DMI_PRODUCT_NAME, "NC10"), |
| 1552 | }, |
| 1553 | .callback = atkbd_setup_fixup, |
| 1554 | .driver_data = atkbd_samsung_keymap_fixup, |
| 1555 | }, |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1556 | { } |
| 1557 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1558 | |
| 1559 | static int __init atkbd_init(void) |
| 1560 | { |
Giel de Nijs | 554101e | 2007-11-02 09:08:02 -0400 | [diff] [blame] | 1561 | dmi_check_system(atkbd_dmi_quirk_table); |
| 1562 | |
Akinobu Mita | 153a9df0 | 2006-11-23 23:35:10 -0500 | [diff] [blame] | 1563 | return serio_register_driver(&atkbd_drv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1564 | } |
| 1565 | |
| 1566 | static void __exit atkbd_exit(void) |
| 1567 | { |
| 1568 | serio_unregister_driver(&atkbd_drv); |
| 1569 | } |
| 1570 | |
| 1571 | module_init(atkbd_init); |
| 1572 | module_exit(atkbd_exit); |