Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * asus_acpi.c - Asus Laptop ACPI Extras |
| 3 | * |
| 4 | * |
Karol Kozimor | a170a53 | 2006-06-30 19:03:00 -0400 | [diff] [blame] | 5 | * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | * |
| 21 | * |
| 22 | * The development page for this driver is located at |
| 23 | * http://sourceforge.net/projects/acpi4asus/ |
| 24 | * |
| 25 | * Credits: |
| 26 | * Pontus Fuchs - Helper functions, cleanup |
| 27 | * Johann Wiesner - Small compile fixes |
| 28 | * John Belmonte - ACPI code for Toshiba laptop was a good starting point. |
Alexey Starikovskiy | ad71860a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 29 | * �ic Burghard - LED display support for W1N |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | */ |
| 32 | |
| 33 | #include <linux/kernel.h> |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/init.h> |
| 36 | #include <linux/types.h> |
| 37 | #include <linux/proc_fs.h> |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 38 | #include <linux/backlight.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #include <acpi/acpi_drivers.h> |
| 40 | #include <acpi/acpi_bus.h> |
| 41 | #include <asm/uaccess.h> |
| 42 | |
Karol Kozimor | a170a53 | 2006-06-30 19:03:00 -0400 | [diff] [blame] | 43 | #define ASUS_ACPI_VERSION "0.30" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
| 45 | #define PROC_ASUS "asus" //the directory |
| 46 | #define PROC_MLED "mled" |
| 47 | #define PROC_WLED "wled" |
| 48 | #define PROC_TLED "tled" |
Karol Kozimor | e067aaa | 2006-06-30 19:07:00 -0400 | [diff] [blame] | 49 | #define PROC_BT "bluetooth" |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 50 | #define PROC_LEDD "ledd" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | #define PROC_INFO "info" |
| 52 | #define PROC_LCD "lcd" |
| 53 | #define PROC_BRN "brn" |
| 54 | #define PROC_DISP "disp" |
| 55 | |
| 56 | #define ACPI_HOTK_NAME "Asus Laptop ACPI Extras Driver" |
| 57 | #define ACPI_HOTK_CLASS "hotkey" |
| 58 | #define ACPI_HOTK_DEVICE_NAME "Hotkey" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | |
| 60 | /* |
| 61 | * Some events we use, same for all Asus |
| 62 | */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 63 | #define BR_UP 0x10 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | #define BR_DOWN 0x20 |
| 65 | |
| 66 | /* |
| 67 | * Flags for hotk status |
| 68 | */ |
Karol Kozimor | e067aaa | 2006-06-30 19:07:00 -0400 | [diff] [blame] | 69 | #define MLED_ON 0x01 //mail LED |
| 70 | #define WLED_ON 0x02 //wireless LED |
| 71 | #define TLED_ON 0x04 //touchpad LED |
| 72 | #define BT_ON 0x08 //internal Bluetooth |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | |
| 74 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor"); |
| 75 | MODULE_DESCRIPTION(ACPI_HOTK_NAME); |
| 76 | MODULE_LICENSE("GPL"); |
| 77 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | static uid_t asus_uid; |
| 79 | static gid_t asus_gid; |
| 80 | module_param(asus_uid, uint, 0); |
Karol Kozimor | aea19aa | 2006-01-03 23:05:00 -0500 | [diff] [blame] | 81 | MODULE_PARM_DESC(asus_uid, "UID for entries in /proc/acpi/asus.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | module_param(asus_gid, uint, 0); |
Karol Kozimor | aea19aa | 2006-01-03 23:05:00 -0500 | [diff] [blame] | 83 | MODULE_PARM_DESC(asus_gid, "GID for entries in /proc/acpi/asus.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | /* For each model, all features implemented, |
| 86 | * those marked with R are relative to HOTK, A for absolute */ |
| 87 | struct model_data { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 88 | char *name; //name of the laptop________________A |
| 89 | char *mt_mled; //method to handle mled_____________R |
| 90 | char *mled_status; //node to handle mled reading_______A |
| 91 | char *mt_wled; //method to handle wled_____________R |
| 92 | char *wled_status; //node to handle wled reading_______A |
| 93 | char *mt_tled; //method to handle tled_____________R |
| 94 | char *tled_status; //node to handle tled reading_______A |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 95 | char *mt_ledd; //method to handle LED display______R |
Karol Kozimor | e067aaa | 2006-06-30 19:07:00 -0400 | [diff] [blame] | 96 | char *mt_bt_switch; //method to switch Bluetooth on/off_R |
| 97 | char *bt_status; //no model currently supports this__? |
| 98 | char *mt_lcd_switch; //method to turn LCD on/off_________A |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 99 | char *lcd_status; //node to read LCD panel state______A |
| 100 | char *brightness_up; //method to set brightness up_______A |
| 101 | char *brightness_down; //guess what ?______________________A |
| 102 | char *brightness_set; //method to set absolute brightness_R |
| 103 | char *brightness_get; //method to get absolute brightness_R |
| 104 | char *brightness_status; //node to get brightness____________A |
| 105 | char *display_set; //method to set video output________R |
| 106 | char *display_get; //method to get video output________R |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | }; |
| 108 | |
| 109 | /* |
| 110 | * This is the main structure, we can use it to store anything interesting |
| 111 | * about the hotk device |
| 112 | */ |
| 113 | struct asus_hotk { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 114 | struct acpi_device *device; //the device we are in |
| 115 | acpi_handle handle; //the handle of the hotk device |
| 116 | char status; //status of the hotk, for LEDs, ... |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 117 | u32 ledd_status; //status of the LED display |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 118 | struct model_data *methods; //methods available on the laptop |
| 119 | u8 brightness; //brightness level |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | enum { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 121 | A1x = 0, //A1340D, A1300F |
| 122 | A2x, //A2500H |
Karol Kozimor | f78c589 | 2006-06-30 19:06:00 -0400 | [diff] [blame] | 123 | A4G, //A4700G |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 124 | D1x, //D1 |
| 125 | L2D, //L2000D |
| 126 | L3C, //L3800C |
| 127 | L3D, //L3400D |
Karol Kozimor | ebccb84 | 2006-06-30 19:08:00 -0400 | [diff] [blame] | 128 | L3H, //L3H, L2000E, L5D |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 129 | L4R, //L4500R |
| 130 | L5x, //L5800C |
| 131 | L8L, //L8400L |
| 132 | M1A, //M1300A |
| 133 | M2E, //M2400E, L4400L |
Karol Kozimor | c067a78 | 2006-06-30 19:05:00 -0400 | [diff] [blame] | 134 | M6N, //M6800N, W3400N |
Karol Kozimor | ed2cb07 | 2006-06-30 19:03:00 -0400 | [diff] [blame] | 135 | M6R, //M6700R, A3000G |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 136 | P30, //Samsung P30 |
| 137 | S1x, //S1300A, but also L1400B and M2400A (L84F) |
| 138 | S2x, //S200 (J1 reported), Victor MP-XP7210 |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 139 | W1N, //W1000N |
Karol Kozimor | e067aaa | 2006-06-30 19:07:00 -0400 | [diff] [blame] | 140 | W5A, //W5A |
Marek W | 288f3ad | 2006-08-14 22:37:20 -0700 | [diff] [blame] | 141 | W3V, //W3030V |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 142 | xxN, //M2400N, M3700N, M5200N, M6800N, S1300N, S5200N |
Matthew C Campbell | 1c0f057 | 2007-02-05 16:09:09 -0800 | [diff] [blame] | 143 | A4S, //Z81sp |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 144 | //(Centrino) |
Luca Tettamanti | 31e0729 | 2008-02-04 23:31:18 -0800 | [diff] [blame] | 145 | F3Sa, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | END_MODEL |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 147 | } model; //Models currently supported |
| 148 | u16 event_count[128]; //count for each event TODO make this better |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | }; |
| 150 | |
| 151 | /* Here we go */ |
| 152 | #define A1x_PREFIX "\\_SB.PCI0.ISA.EC0." |
| 153 | #define L3C_PREFIX "\\_SB.PCI0.PX40.ECD0." |
| 154 | #define M1A_PREFIX "\\_SB.PCI0.PX40.EC0." |
| 155 | #define P30_PREFIX "\\_SB.PCI0.LPCB.EC0." |
| 156 | #define S1x_PREFIX "\\_SB.PCI0.PX40." |
| 157 | #define S2x_PREFIX A1x_PREFIX |
| 158 | #define xxN_PREFIX "\\_SB.PCI0.SBRG.EC0." |
| 159 | |
| 160 | static struct model_data model_conf[END_MODEL] = { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 161 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | * TODO I have seen a SWBX and AIBX method on some models, like L1400B, |
| 163 | * it seems to be a kind of switch, but what for ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | */ |
| 165 | |
| 166 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 167 | .name = "A1x", |
| 168 | .mt_mled = "MLED", |
| 169 | .mled_status = "\\MAIL", |
| 170 | .mt_lcd_switch = A1x_PREFIX "_Q10", |
| 171 | .lcd_status = "\\BKLI", |
| 172 | .brightness_up = A1x_PREFIX "_Q0E", |
| 173 | .brightness_down = A1x_PREFIX "_Q0F"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | |
| 175 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 176 | .name = "A2x", |
| 177 | .mt_mled = "MLED", |
| 178 | .mt_wled = "WLED", |
| 179 | .wled_status = "\\SG66", |
| 180 | .mt_lcd_switch = "\\Q10", |
| 181 | .lcd_status = "\\BAOF", |
| 182 | .brightness_set = "SPLV", |
| 183 | .brightness_get = "GPLV", |
| 184 | .display_set = "SDSP", |
| 185 | .display_get = "\\INFB"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | |
| 187 | { |
Karol Kozimor | f78c589 | 2006-06-30 19:06:00 -0400 | [diff] [blame] | 188 | .name = "A4G", |
| 189 | .mt_mled = "MLED", |
| 190 | /* WLED present, but not controlled by ACPI */ |
| 191 | .mt_lcd_switch = xxN_PREFIX "_Q10", |
| 192 | .brightness_set = "SPLV", |
| 193 | .brightness_get = "GPLV", |
| 194 | .display_set = "SDSP", |
| 195 | .display_get = "\\ADVG"}, |
| 196 | |
| 197 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 198 | .name = "D1x", |
| 199 | .mt_mled = "MLED", |
| 200 | .mt_lcd_switch = "\\Q0D", |
| 201 | .lcd_status = "\\GP11", |
| 202 | .brightness_up = "\\Q0C", |
| 203 | .brightness_down = "\\Q0B", |
| 204 | .brightness_status = "\\BLVL", |
| 205 | .display_set = "SDSP", |
| 206 | .display_get = "\\INFB"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | |
| 208 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 209 | .name = "L2D", |
| 210 | .mt_mled = "MLED", |
| 211 | .mled_status = "\\SGP6", |
| 212 | .mt_wled = "WLED", |
| 213 | .wled_status = "\\RCP3", |
| 214 | .mt_lcd_switch = "\\Q10", |
| 215 | .lcd_status = "\\SGP0", |
| 216 | .brightness_up = "\\Q0E", |
| 217 | .brightness_down = "\\Q0F", |
| 218 | .display_set = "SDSP", |
| 219 | .display_get = "\\INFB"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | |
| 221 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 222 | .name = "L3C", |
| 223 | .mt_mled = "MLED", |
| 224 | .mt_wled = "WLED", |
| 225 | .mt_lcd_switch = L3C_PREFIX "_Q10", |
| 226 | .lcd_status = "\\GL32", |
| 227 | .brightness_set = "SPLV", |
| 228 | .brightness_get = "GPLV", |
| 229 | .display_set = "SDSP", |
| 230 | .display_get = "\\_SB.PCI0.PCI1.VGAC.NMAP"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | |
| 232 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 233 | .name = "L3D", |
| 234 | .mt_mled = "MLED", |
| 235 | .mled_status = "\\MALD", |
| 236 | .mt_wled = "WLED", |
| 237 | .mt_lcd_switch = "\\Q10", |
| 238 | .lcd_status = "\\BKLG", |
| 239 | .brightness_set = "SPLV", |
| 240 | .brightness_get = "GPLV", |
| 241 | .display_set = "SDSP", |
| 242 | .display_get = "\\INFB"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | |
| 244 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 245 | .name = "L3H", |
| 246 | .mt_mled = "MLED", |
| 247 | .mt_wled = "WLED", |
| 248 | .mt_lcd_switch = "EHK", |
| 249 | .lcd_status = "\\_SB.PCI0.PM.PBC", |
| 250 | .brightness_set = "SPLV", |
| 251 | .brightness_get = "GPLV", |
| 252 | .display_set = "SDSP", |
| 253 | .display_get = "\\INFB"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | |
| 255 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 256 | .name = "L4R", |
| 257 | .mt_mled = "MLED", |
| 258 | .mt_wled = "WLED", |
| 259 | .wled_status = "\\_SB.PCI0.SBRG.SG13", |
| 260 | .mt_lcd_switch = xxN_PREFIX "_Q10", |
| 261 | .lcd_status = "\\_SB.PCI0.SBSM.SEO4", |
| 262 | .brightness_set = "SPLV", |
| 263 | .brightness_get = "GPLV", |
| 264 | .display_set = "SDSP", |
| 265 | .display_get = "\\_SB.PCI0.P0P1.VGA.GETD"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | |
| 267 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 268 | .name = "L5x", |
| 269 | .mt_mled = "MLED", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | /* WLED present, but not controlled by ACPI */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 271 | .mt_tled = "TLED", |
| 272 | .mt_lcd_switch = "\\Q0D", |
| 273 | .lcd_status = "\\BAOF", |
| 274 | .brightness_set = "SPLV", |
| 275 | .brightness_get = "GPLV", |
| 276 | .display_set = "SDSP", |
| 277 | .display_get = "\\INFB"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | |
| 279 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 280 | .name = "L8L" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | /* No features, but at least support the hotkeys */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 282 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | |
| 284 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 285 | .name = "M1A", |
| 286 | .mt_mled = "MLED", |
| 287 | .mt_lcd_switch = M1A_PREFIX "Q10", |
| 288 | .lcd_status = "\\PNOF", |
| 289 | .brightness_up = M1A_PREFIX "Q0E", |
| 290 | .brightness_down = M1A_PREFIX "Q0F", |
| 291 | .brightness_status = "\\BRIT", |
| 292 | .display_set = "SDSP", |
| 293 | .display_get = "\\INFB"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | |
| 295 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 296 | .name = "M2E", |
| 297 | .mt_mled = "MLED", |
| 298 | .mt_wled = "WLED", |
| 299 | .mt_lcd_switch = "\\Q10", |
| 300 | .lcd_status = "\\GP06", |
| 301 | .brightness_set = "SPLV", |
| 302 | .brightness_get = "GPLV", |
| 303 | .display_set = "SDSP", |
| 304 | .display_get = "\\INFB"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | |
| 306 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 307 | .name = "M6N", |
| 308 | .mt_mled = "MLED", |
| 309 | .mt_wled = "WLED", |
| 310 | .wled_status = "\\_SB.PCI0.SBRG.SG13", |
| 311 | .mt_lcd_switch = xxN_PREFIX "_Q10", |
| 312 | .lcd_status = "\\_SB.BKLT", |
| 313 | .brightness_set = "SPLV", |
| 314 | .brightness_get = "GPLV", |
| 315 | .display_set = "SDSP", |
Karol Kozimor | 9becf5b | 2006-06-30 19:15:00 -0400 | [diff] [blame] | 316 | .display_get = "\\SSTE"}, |
| 317 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 319 | .name = "M6R", |
| 320 | .mt_mled = "MLED", |
| 321 | .mt_wled = "WLED", |
| 322 | .mt_lcd_switch = xxN_PREFIX "_Q10", |
| 323 | .lcd_status = "\\_SB.PCI0.SBSM.SEO4", |
| 324 | .brightness_set = "SPLV", |
| 325 | .brightness_get = "GPLV", |
| 326 | .display_set = "SDSP", |
Karol Kozimor | 9becf5b | 2006-06-30 19:15:00 -0400 | [diff] [blame] | 327 | .display_get = "\\_SB.PCI0.P0P1.VGA.GETD"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | |
| 329 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 330 | .name = "P30", |
| 331 | .mt_wled = "WLED", |
| 332 | .mt_lcd_switch = P30_PREFIX "_Q0E", |
| 333 | .lcd_status = "\\BKLT", |
| 334 | .brightness_up = P30_PREFIX "_Q68", |
| 335 | .brightness_down = P30_PREFIX "_Q69", |
| 336 | .brightness_get = "GPLV", |
| 337 | .display_set = "SDSP", |
| 338 | .display_get = "\\DNXT"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | |
| 340 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 341 | .name = "S1x", |
| 342 | .mt_mled = "MLED", |
| 343 | .mled_status = "\\EMLE", |
| 344 | .mt_wled = "WLED", |
| 345 | .mt_lcd_switch = S1x_PREFIX "Q10", |
| 346 | .lcd_status = "\\PNOF", |
| 347 | .brightness_set = "SPLV", |
| 348 | .brightness_get = "GPLV"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | |
| 350 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 351 | .name = "S2x", |
| 352 | .mt_mled = "MLED", |
| 353 | .mled_status = "\\MAIL", |
| 354 | .mt_lcd_switch = S2x_PREFIX "_Q10", |
| 355 | .lcd_status = "\\BKLI", |
| 356 | .brightness_up = S2x_PREFIX "_Q0B", |
| 357 | .brightness_down = S2x_PREFIX "_Q0A"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | |
| 359 | { |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 360 | .name = "W1N", |
| 361 | .mt_mled = "MLED", |
| 362 | .mt_wled = "WLED", |
| 363 | .mt_ledd = "SLCM", |
| 364 | .mt_lcd_switch = xxN_PREFIX "_Q10", |
| 365 | .lcd_status = "\\BKLT", |
| 366 | .brightness_set = "SPLV", |
| 367 | .brightness_get = "GPLV", |
| 368 | .display_set = "SDSP", |
| 369 | .display_get = "\\ADVG"}, |
| 370 | |
| 371 | { |
Karol Kozimor | e067aaa | 2006-06-30 19:07:00 -0400 | [diff] [blame] | 372 | .name = "W5A", |
| 373 | .mt_bt_switch = "BLED", |
| 374 | .mt_wled = "WLED", |
| 375 | .mt_lcd_switch = xxN_PREFIX "_Q10", |
| 376 | .brightness_set = "SPLV", |
| 377 | .brightness_get = "GPLV", |
| 378 | .display_set = "SDSP", |
| 379 | .display_get = "\\ADVG"}, |
| 380 | |
| 381 | { |
Marek W | 288f3ad | 2006-08-14 22:37:20 -0700 | [diff] [blame] | 382 | .name = "W3V", |
| 383 | .mt_mled = "MLED", |
| 384 | .mt_wled = "WLED", |
| 385 | .mt_lcd_switch = xxN_PREFIX "_Q10", |
| 386 | .lcd_status = "\\BKLT", |
| 387 | .brightness_set = "SPLV", |
| 388 | .brightness_get = "GPLV", |
| 389 | .display_set = "SDSP", |
| 390 | .display_get = "\\INFB"}, |
| 391 | |
| 392 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 393 | .name = "xxN", |
| 394 | .mt_mled = "MLED", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | /* WLED present, but not controlled by ACPI */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 396 | .mt_lcd_switch = xxN_PREFIX "_Q10", |
| 397 | .lcd_status = "\\BKLT", |
| 398 | .brightness_set = "SPLV", |
| 399 | .brightness_get = "GPLV", |
| 400 | .display_set = "SDSP", |
Matthew C Campbell | 1c0f057 | 2007-02-05 16:09:09 -0800 | [diff] [blame] | 401 | .display_get = "\\ADVG"}, |
| 402 | |
| 403 | { |
| 404 | .name = "A4S", |
| 405 | .brightness_set = "SPLV", |
| 406 | .brightness_get = "GPLV", |
| 407 | .mt_bt_switch = "BLED", |
| 408 | .mt_wled = "WLED" |
Luca Tettamanti | 31e0729 | 2008-02-04 23:31:18 -0800 | [diff] [blame] | 409 | }, |
| 410 | |
| 411 | { |
| 412 | .name = "F3Sa", |
| 413 | .mt_bt_switch = "BLED", |
| 414 | .mt_wled = "WLED", |
| 415 | .mt_mled = "MLED", |
| 416 | .brightness_get = "GPLV", |
| 417 | .brightness_set = "SPLV", |
| 418 | .mt_lcd_switch = "\\_SB.PCI0.SBRG.EC0._Q10", |
| 419 | .lcd_status = "\\_SB.PCI0.SBRG.EC0.RPIN", |
| 420 | .display_get = "\\ADVG", |
| 421 | .display_set = "SDSP", |
| 422 | }, |
Matthew C Campbell | 1c0f057 | 2007-02-05 16:09:09 -0800 | [diff] [blame] | 423 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | }; |
| 425 | |
| 426 | /* procdir we use */ |
| 427 | static struct proc_dir_entry *asus_proc_dir; |
| 428 | |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 429 | static struct backlight_device *asus_backlight_device; |
| 430 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | /* |
| 432 | * This header is made available to allow proper configuration given model, |
| 433 | * revision number , ... this info cannot go in struct asus_hotk because it is |
| 434 | * available before the hotk |
| 435 | */ |
| 436 | static struct acpi_table_header *asus_info; |
| 437 | |
| 438 | /* The actual device the driver binds to */ |
| 439 | static struct asus_hotk *hotk; |
| 440 | |
| 441 | /* |
Thomas Renninger | 1ba90e3 | 2007-07-23 14:44:41 +0200 | [diff] [blame] | 442 | * The hotkey driver and autoloading declaration |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | */ |
| 444 | static int asus_hotk_add(struct acpi_device *device); |
| 445 | static int asus_hotk_remove(struct acpi_device *device, int type); |
Thomas Renninger | 1ba90e3 | 2007-07-23 14:44:41 +0200 | [diff] [blame] | 446 | static const struct acpi_device_id asus_device_ids[] = { |
| 447 | {"ATK0100", 0}, |
| 448 | {"", 0}, |
| 449 | }; |
| 450 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); |
| 451 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | static struct acpi_driver asus_hotk_driver = { |
Len Brown | c2b6705 | 2007-02-12 23:33:40 -0500 | [diff] [blame] | 453 | .name = "asus_acpi", |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 454 | .class = ACPI_HOTK_CLASS, |
Thomas Renninger | 1ba90e3 | 2007-07-23 14:44:41 +0200 | [diff] [blame] | 455 | .ids = asus_device_ids, |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 456 | .ops = { |
| 457 | .add = asus_hotk_add, |
| 458 | .remove = asus_hotk_remove, |
| 459 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | }; |
| 461 | |
| 462 | /* |
| 463 | * This function evaluates an ACPI method, given an int as parameter, the |
| 464 | * method is searched within the scope of the handle, can be NULL. The output |
| 465 | * of the method is written is output, which can also be NULL |
| 466 | * |
| 467 | * returns 1 if write is successful, 0 else. |
| 468 | */ |
| 469 | static int write_acpi_int(acpi_handle handle, const char *method, int val, |
| 470 | struct acpi_buffer *output) |
| 471 | { |
| 472 | struct acpi_object_list params; //list of input parameters (an int here) |
| 473 | union acpi_object in_obj; //the only param we use |
| 474 | acpi_status status; |
| 475 | |
| 476 | params.count = 1; |
| 477 | params.pointer = &in_obj; |
| 478 | in_obj.type = ACPI_TYPE_INTEGER; |
| 479 | in_obj.integer.value = val; |
| 480 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 481 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | return (status == AE_OK); |
| 483 | } |
| 484 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | static int read_acpi_int(acpi_handle handle, const char *method, int *val) |
| 486 | { |
| 487 | struct acpi_buffer output; |
| 488 | union acpi_object out_obj; |
| 489 | acpi_status status; |
| 490 | |
| 491 | output.length = sizeof(out_obj); |
| 492 | output.pointer = &out_obj; |
| 493 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 494 | status = acpi_evaluate_object(handle, (char *)method, NULL, &output); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | *val = out_obj.integer.value; |
| 496 | return (status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER); |
| 497 | } |
| 498 | |
| 499 | /* |
| 500 | * We write our info in page, we begin at offset off and cannot write more |
| 501 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the |
| 502 | * number of bytes written in page |
| 503 | */ |
| 504 | static int |
| 505 | proc_read_info(char *page, char **start, off_t off, int count, int *eof, |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 506 | void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | { |
| 508 | int len = 0; |
| 509 | int temp; |
| 510 | char buf[16]; //enough for all info |
| 511 | /* |
| 512 | * We use the easy way, we don't care of off and count, so we don't set eof |
| 513 | * to 1 |
| 514 | */ |
| 515 | |
| 516 | len += sprintf(page, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n"); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 517 | len += sprintf(page + len, "Model reference : %s\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | hotk->methods->name); |
| 519 | /* |
| 520 | * The SFUN method probably allows the original driver to get the list |
| 521 | * of features supported by a given model. For now, 0x0100 or 0x0800 |
| 522 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. |
| 523 | * The significance of others is yet to be found. |
| 524 | */ |
| 525 | if (read_acpi_int(hotk->handle, "SFUN", &temp)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 526 | len += |
| 527 | sprintf(page + len, "SFUN value : 0x%04x\n", temp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | /* |
| 529 | * Another value for userspace: the ASYM method returns 0x02 for |
| 530 | * battery low and 0x04 for battery critical, its readings tend to be |
| 531 | * more accurate than those provided by _BST. |
| 532 | * Note: since not all the laptops provide this method, errors are |
| 533 | * silently ignored. |
| 534 | */ |
| 535 | if (read_acpi_int(hotk->handle, "ASYM", &temp)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 536 | len += |
| 537 | sprintf(page + len, "ASYM value : 0x%04x\n", temp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | if (asus_info) { |
| 539 | snprintf(buf, 16, "%d", asus_info->length); |
| 540 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
| 541 | snprintf(buf, 16, "%d", asus_info->checksum); |
| 542 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
| 543 | snprintf(buf, 16, "%d", asus_info->revision); |
| 544 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
| 545 | snprintf(buf, 7, "%s", asus_info->oem_id); |
| 546 | len += sprintf(page + len, "OEM id : %s\n", buf); |
| 547 | snprintf(buf, 9, "%s", asus_info->oem_table_id); |
| 548 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
| 549 | snprintf(buf, 16, "%x", asus_info->oem_revision); |
| 550 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
| 551 | snprintf(buf, 5, "%s", asus_info->asl_compiler_id); |
| 552 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
| 553 | snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); |
| 554 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
| 555 | } |
| 556 | |
| 557 | return len; |
| 558 | } |
| 559 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | /* |
| 561 | * /proc handlers |
| 562 | * We write our info in page, we begin at offset off and cannot write more |
| 563 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the |
| 564 | * number of bytes written in page |
| 565 | */ |
| 566 | |
| 567 | /* Generic LED functions */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 568 | static int read_led(const char *ledname, int ledmask) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | { |
| 570 | if (ledname) { |
| 571 | int led_status; |
| 572 | |
| 573 | if (read_acpi_int(NULL, ledname, &led_status)) |
| 574 | return led_status; |
| 575 | else |
| 576 | printk(KERN_WARNING "Asus ACPI: Error reading LED " |
| 577 | "status\n"); |
| 578 | } |
| 579 | return (hotk->status & ledmask) ? 1 : 0; |
| 580 | } |
| 581 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 582 | static int parse_arg(const char __user * buf, unsigned long count, int *val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | { |
| 584 | char s[32]; |
| 585 | if (!count) |
| 586 | return 0; |
| 587 | if (count > 31) |
| 588 | return -EINVAL; |
| 589 | if (copy_from_user(s, buf, count)) |
| 590 | return -EFAULT; |
| 591 | s[count] = 0; |
| 592 | if (sscanf(s, "%i", val) != 1) |
| 593 | return -EINVAL; |
| 594 | return count; |
| 595 | } |
| 596 | |
| 597 | /* FIXME: kill extraneous args so it can be called independently */ |
| 598 | static int |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 599 | write_led(const char __user * buffer, unsigned long count, |
| 600 | char *ledname, int ledmask, int invert) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | { |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 602 | int rv, value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | int led_out = 0; |
| 604 | |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 605 | rv = parse_arg(buffer, count, &value); |
| 606 | if (rv > 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 607 | led_out = value ? 1 : 0; |
| 608 | |
| 609 | hotk->status = |
| 610 | (led_out) ? (hotk->status | ledmask) : (hotk->status & ~ledmask); |
| 611 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 612 | if (invert) /* invert target value */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | led_out = !led_out & 0x1; |
| 614 | |
| 615 | if (!write_acpi_int(hotk->handle, ledname, led_out, NULL)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 616 | printk(KERN_WARNING "Asus ACPI: LED (%s) write failed\n", |
| 617 | ledname); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 619 | return rv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 620 | } |
| 621 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | /* |
| 623 | * Proc handlers for MLED |
| 624 | */ |
| 625 | static int |
| 626 | proc_read_mled(char *page, char **start, off_t off, int count, int *eof, |
| 627 | void *data) |
| 628 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 629 | return sprintf(page, "%d\n", |
| 630 | read_led(hotk->methods->mled_status, MLED_ON)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | } |
| 632 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | static int |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 634 | proc_write_mled(struct file *file, const char __user * buffer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | unsigned long count, void *data) |
| 636 | { |
| 637 | return write_led(buffer, count, hotk->methods->mt_mled, MLED_ON, 1); |
| 638 | } |
| 639 | |
| 640 | /* |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 641 | * Proc handlers for LED display |
| 642 | */ |
| 643 | static int |
| 644 | proc_read_ledd(char *page, char **start, off_t off, int count, int *eof, |
| 645 | void *data) |
| 646 | { |
| 647 | return sprintf(page, "0x%08x\n", hotk->ledd_status); |
| 648 | } |
| 649 | |
| 650 | static int |
| 651 | proc_write_ledd(struct file *file, const char __user * buffer, |
| 652 | unsigned long count, void *data) |
| 653 | { |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 654 | int rv, value; |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 655 | |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 656 | rv = parse_arg(buffer, count, &value); |
| 657 | if (rv > 0) { |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 658 | if (!write_acpi_int |
| 659 | (hotk->handle, hotk->methods->mt_ledd, value, NULL)) |
| 660 | printk(KERN_WARNING |
| 661 | "Asus ACPI: LED display write failed\n"); |
| 662 | else |
| 663 | hotk->ledd_status = (u32) value; |
Alexey Dobriyan | 6df0570 | 2006-10-10 14:20:36 -0700 | [diff] [blame] | 664 | } |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 665 | return rv; |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 666 | } |
| 667 | |
| 668 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | * Proc handlers for WLED |
| 670 | */ |
| 671 | static int |
| 672 | proc_read_wled(char *page, char **start, off_t off, int count, int *eof, |
| 673 | void *data) |
| 674 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 675 | return sprintf(page, "%d\n", |
| 676 | read_led(hotk->methods->wled_status, WLED_ON)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | } |
| 678 | |
| 679 | static int |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 680 | proc_write_wled(struct file *file, const char __user * buffer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | unsigned long count, void *data) |
| 682 | { |
| 683 | return write_led(buffer, count, hotk->methods->mt_wled, WLED_ON, 0); |
| 684 | } |
| 685 | |
| 686 | /* |
Karol Kozimor | e067aaa | 2006-06-30 19:07:00 -0400 | [diff] [blame] | 687 | * Proc handlers for Bluetooth |
| 688 | */ |
| 689 | static int |
| 690 | proc_read_bluetooth(char *page, char **start, off_t off, int count, int *eof, |
| 691 | void *data) |
| 692 | { |
| 693 | return sprintf(page, "%d\n", read_led(hotk->methods->bt_status, BT_ON)); |
| 694 | } |
| 695 | |
| 696 | static int |
| 697 | proc_write_bluetooth(struct file *file, const char __user * buffer, |
| 698 | unsigned long count, void *data) |
| 699 | { |
| 700 | /* Note: mt_bt_switch controls both internal Bluetooth adapter's |
| 701 | presence and its LED */ |
| 702 | return write_led(buffer, count, hotk->methods->mt_bt_switch, BT_ON, 0); |
| 703 | } |
| 704 | |
| 705 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | * Proc handlers for TLED |
| 707 | */ |
| 708 | static int |
| 709 | proc_read_tled(char *page, char **start, off_t off, int count, int *eof, |
| 710 | void *data) |
| 711 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 712 | return sprintf(page, "%d\n", |
| 713 | read_led(hotk->methods->tled_status, TLED_ON)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | } |
| 715 | |
| 716 | static int |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 717 | proc_write_tled(struct file *file, const char __user * buffer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | unsigned long count, void *data) |
| 719 | { |
| 720 | return write_led(buffer, count, hotk->methods->mt_tled, TLED_ON, 0); |
| 721 | } |
| 722 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 723 | static int get_lcd_state(void) |
| 724 | { |
| 725 | int lcd = 0; |
| 726 | |
Luca Tettamanti | 31e0729 | 2008-02-04 23:31:18 -0800 | [diff] [blame] | 727 | if (hotk->model == L3H) { |
| 728 | /* L3H and the like have to be handled differently */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 729 | acpi_status status = 0; |
| 730 | struct acpi_object_list input; |
| 731 | union acpi_object mt_params[2]; |
| 732 | struct acpi_buffer output; |
| 733 | union acpi_object out_obj; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 734 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 735 | input.count = 2; |
| 736 | input.pointer = mt_params; |
| 737 | /* Note: the following values are partly guessed up, but |
| 738 | otherwise they seem to work */ |
| 739 | mt_params[0].type = ACPI_TYPE_INTEGER; |
| 740 | mt_params[0].integer.value = 0x02; |
| 741 | mt_params[1].type = ACPI_TYPE_INTEGER; |
| 742 | mt_params[1].integer.value = 0x02; |
| 743 | |
| 744 | output.length = sizeof(out_obj); |
| 745 | output.pointer = &out_obj; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 746 | |
| 747 | status = |
| 748 | acpi_evaluate_object(NULL, hotk->methods->lcd_status, |
| 749 | &input, &output); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 750 | if (status != AE_OK) |
| 751 | return -1; |
| 752 | if (out_obj.type == ACPI_TYPE_INTEGER) |
| 753 | /* That's what the AML code does */ |
| 754 | lcd = out_obj.integer.value >> 8; |
Luca Tettamanti | 31e0729 | 2008-02-04 23:31:18 -0800 | [diff] [blame] | 755 | } else if (hotk->model == F3Sa) { |
| 756 | unsigned long tmp; |
| 757 | union acpi_object param; |
| 758 | struct acpi_object_list input; |
| 759 | acpi_status status; |
| 760 | |
| 761 | /* Read pin 11 */ |
| 762 | param.type = ACPI_TYPE_INTEGER; |
| 763 | param.integer.value = 0x11; |
| 764 | input.count = 1; |
| 765 | input.pointer = ¶m; |
| 766 | |
| 767 | status = acpi_evaluate_integer(NULL, hotk->methods->lcd_status, |
| 768 | &input, &tmp); |
| 769 | if (status != AE_OK) |
| 770 | return -1; |
| 771 | |
| 772 | lcd = tmp; |
| 773 | } else { |
| 774 | /* We don't have to check anything if we are here */ |
| 775 | if (!read_acpi_int(NULL, hotk->methods->lcd_status, &lcd)) |
| 776 | printk(KERN_WARNING |
| 777 | "Asus ACPI: Error reading LCD status\n"); |
| 778 | |
| 779 | if (hotk->model == L2D) |
| 780 | lcd = ~lcd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | } |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 782 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | return (lcd & 1); |
| 784 | } |
| 785 | |
| 786 | static int set_lcd_state(int value) |
| 787 | { |
| 788 | int lcd = 0; |
| 789 | acpi_status status = 0; |
| 790 | |
| 791 | lcd = value ? 1 : 0; |
| 792 | if (lcd != get_lcd_state()) { |
| 793 | /* switch */ |
| 794 | if (hotk->model != L3H) { |
| 795 | status = |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 796 | acpi_evaluate_object(NULL, |
| 797 | hotk->methods->mt_lcd_switch, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 798 | NULL, NULL); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 799 | } else { /* L3H and the like have to be handled differently */ |
| 800 | if (!write_acpi_int |
| 801 | (hotk->handle, hotk->methods->mt_lcd_switch, 0x07, |
| 802 | NULL)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | status = AE_ERROR; |
| 804 | /* L3H's AML executes EHK (0x07) upon Fn+F7 keypress, |
| 805 | the exact behaviour is simulated here */ |
| 806 | } |
| 807 | if (ACPI_FAILURE(status)) |
| 808 | printk(KERN_WARNING "Asus ACPI: Error switching LCD\n"); |
| 809 | } |
| 810 | return 0; |
| 811 | |
| 812 | } |
| 813 | |
| 814 | static int |
| 815 | proc_read_lcd(char *page, char **start, off_t off, int count, int *eof, |
| 816 | void *data) |
| 817 | { |
| 818 | return sprintf(page, "%d\n", get_lcd_state()); |
| 819 | } |
| 820 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | static int |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 822 | proc_write_lcd(struct file *file, const char __user * buffer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 823 | unsigned long count, void *data) |
| 824 | { |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 825 | int rv, value; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 826 | |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 827 | rv = parse_arg(buffer, count, &value); |
| 828 | if (rv > 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | set_lcd_state(value); |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 830 | return rv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 831 | } |
| 832 | |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 833 | static int read_brightness(struct backlight_device *bd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | { |
| 835 | int value; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 836 | |
| 837 | if (hotk->methods->brightness_get) { /* SPLV/GPLV laptop */ |
| 838 | if (!read_acpi_int(hotk->handle, hotk->methods->brightness_get, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 839 | &value)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 840 | printk(KERN_WARNING |
| 841 | "Asus ACPI: Error reading brightness\n"); |
| 842 | } else if (hotk->methods->brightness_status) { /* For D1 for example */ |
| 843 | if (!read_acpi_int(NULL, hotk->methods->brightness_status, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 844 | &value)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 845 | printk(KERN_WARNING |
| 846 | "Asus ACPI: Error reading brightness\n"); |
| 847 | } else /* No GPLV method */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 848 | value = hotk->brightness; |
| 849 | return value; |
| 850 | } |
| 851 | |
| 852 | /* |
| 853 | * Change the brightness level |
| 854 | */ |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 855 | static int set_brightness(int value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 856 | { |
| 857 | acpi_status status = 0; |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 858 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 859 | |
| 860 | /* SPLV laptop */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 861 | if (hotk->methods->brightness_set) { |
| 862 | if (!write_acpi_int(hotk->handle, hotk->methods->brightness_set, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | value, NULL)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 864 | printk(KERN_WARNING |
| 865 | "Asus ACPI: Error changing brightness\n"); |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 866 | ret = -EIO; |
| 867 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | } |
| 869 | |
| 870 | /* No SPLV method if we are here, act as appropriate */ |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 871 | value -= read_brightness(NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 872 | while (value != 0) { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 873 | status = acpi_evaluate_object(NULL, (value > 0) ? |
| 874 | hotk->methods->brightness_up : |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 875 | hotk->methods->brightness_down, |
| 876 | NULL, NULL); |
| 877 | (value > 0) ? value-- : value++; |
| 878 | if (ACPI_FAILURE(status)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 879 | printk(KERN_WARNING |
| 880 | "Asus ACPI: Error changing brightness\n"); |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 881 | ret = -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 882 | } |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 883 | out: |
| 884 | return ret; |
| 885 | } |
| 886 | |
| 887 | static int set_brightness_status(struct backlight_device *bd) |
| 888 | { |
Richard Purdie | 599a52d | 2007-02-10 23:07:48 +0000 | [diff] [blame] | 889 | return set_brightness(bd->props.brightness); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 890 | } |
| 891 | |
| 892 | static int |
| 893 | proc_read_brn(char *page, char **start, off_t off, int count, int *eof, |
| 894 | void *data) |
| 895 | { |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 896 | return sprintf(page, "%d\n", read_brightness(NULL)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 897 | } |
| 898 | |
| 899 | static int |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 900 | proc_write_brn(struct file *file, const char __user * buffer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 901 | unsigned long count, void *data) |
| 902 | { |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 903 | int rv, value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 904 | |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 905 | rv = parse_arg(buffer, count, &value); |
| 906 | if (rv > 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 907 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 908 | /* 0 <= value <= 15 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | set_brightness(value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | } |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 911 | return rv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | } |
| 913 | |
| 914 | static void set_display(int value) |
| 915 | { |
| 916 | /* no sanity check needed for now */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 917 | if (!write_acpi_int(hotk->handle, hotk->methods->display_set, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | value, NULL)) |
| 919 | printk(KERN_WARNING "Asus ACPI: Error setting display\n"); |
| 920 | return; |
| 921 | } |
| 922 | |
| 923 | /* |
| 924 | * Now, *this* one could be more user-friendly, but so far, no-one has |
| 925 | * complained. The significance of bits is the same as in proc_write_disp() |
| 926 | */ |
| 927 | static int |
| 928 | proc_read_disp(char *page, char **start, off_t off, int count, int *eof, |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 929 | void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 930 | { |
| 931 | int value = 0; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 932 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 933 | if (!read_acpi_int(hotk->handle, hotk->methods->display_get, &value)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 934 | printk(KERN_WARNING |
| 935 | "Asus ACPI: Error reading display status\n"); |
| 936 | value &= 0x07; /* needed for some models, shouldn't hurt others */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | return sprintf(page, "%d\n", value); |
| 938 | } |
| 939 | |
| 940 | /* |
| 941 | * Experimental support for display switching. As of now: 1 should activate |
| 942 | * the LCD output, 2 should do for CRT, and 4 for TV-Out. Any combination |
| 943 | * (bitwise) of these will suffice. I never actually tested 3 displays hooked up |
| 944 | * simultaneously, so be warned. See the acpi4asus README for more info. |
| 945 | */ |
| 946 | static int |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 947 | proc_write_disp(struct file *file, const char __user * buffer, |
| 948 | unsigned long count, void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | { |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 950 | int rv, value; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 952 | rv = parse_arg(buffer, count, &value); |
| 953 | if (rv > 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 954 | set_display(value); |
Darren Jenkins | 6311f0d | 2006-10-10 14:20:35 -0700 | [diff] [blame] | 955 | return rv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 956 | } |
| 957 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 958 | typedef int (proc_readfunc) (char *page, char **start, off_t off, int count, |
| 959 | int *eof, void *data); |
| 960 | typedef int (proc_writefunc) (struct file * file, const char __user * buffer, |
| 961 | unsigned long count, void *data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 962 | |
| 963 | static int |
Bjorn Helgaas | 200739c | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 964 | asus_proc_add(char *name, proc_writefunc * writefunc, |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 965 | proc_readfunc * readfunc, mode_t mode, |
| 966 | struct acpi_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 968 | struct proc_dir_entry *proc = |
| 969 | create_proc_entry(name, mode, acpi_device_dir(device)); |
| 970 | if (!proc) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 971 | printk(KERN_WARNING " Unable to create %s fs entry\n", name); |
| 972 | return -1; |
| 973 | } |
| 974 | proc->write_proc = writefunc; |
| 975 | proc->read_proc = readfunc; |
| 976 | proc->data = acpi_driver_data(device); |
| 977 | proc->owner = THIS_MODULE; |
| 978 | proc->uid = asus_uid; |
| 979 | proc->gid = asus_gid; |
| 980 | return 0; |
| 981 | } |
| 982 | |
Bjorn Helgaas | 200739c | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 983 | static int asus_hotk_add_fs(struct acpi_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | { |
| 985 | struct proc_dir_entry *proc; |
| 986 | mode_t mode; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 987 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 988 | /* |
| 989 | * If parameter uid or gid is not changed, keep the default setting for |
| 990 | * our proc entries (-rw-rw-rw-) else, it means we care about security, |
| 991 | * and then set to -rw-rw---- |
| 992 | */ |
| 993 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 994 | if ((asus_uid == 0) && (asus_gid == 0)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | mode = S_IFREG | S_IRUGO | S_IWUGO; |
| 996 | } else { |
| 997 | mode = S_IFREG | S_IRUSR | S_IRGRP | S_IWUSR | S_IWGRP; |
Karol Kozimor | aea19aa | 2006-01-03 23:05:00 -0500 | [diff] [blame] | 998 | printk(KERN_WARNING " asus_uid and asus_gid parameters are " |
| 999 | "deprecated, use chown and chmod instead!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | } |
| 1001 | |
| 1002 | acpi_device_dir(device) = asus_proc_dir; |
| 1003 | if (!acpi_device_dir(device)) |
| 1004 | return -ENODEV; |
| 1005 | |
| 1006 | proc = create_proc_entry(PROC_INFO, mode, acpi_device_dir(device)); |
| 1007 | if (proc) { |
| 1008 | proc->read_proc = proc_read_info; |
| 1009 | proc->data = acpi_driver_data(device); |
| 1010 | proc->owner = THIS_MODULE; |
| 1011 | proc->uid = asus_uid; |
| 1012 | proc->gid = asus_gid; |
| 1013 | } else { |
| 1014 | printk(KERN_WARNING " Unable to create " PROC_INFO |
| 1015 | " fs entry\n"); |
| 1016 | } |
| 1017 | |
| 1018 | if (hotk->methods->mt_wled) { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1019 | asus_proc_add(PROC_WLED, &proc_write_wled, &proc_read_wled, |
| 1020 | mode, device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | } |
| 1022 | |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 1023 | if (hotk->methods->mt_ledd) { |
| 1024 | asus_proc_add(PROC_LEDD, &proc_write_ledd, &proc_read_ledd, |
| 1025 | mode, device); |
| 1026 | } |
| 1027 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1028 | if (hotk->methods->mt_mled) { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1029 | asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled, |
| 1030 | mode, device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1031 | } |
| 1032 | |
| 1033 | if (hotk->methods->mt_tled) { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1034 | asus_proc_add(PROC_TLED, &proc_write_tled, &proc_read_tled, |
| 1035 | mode, device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1036 | } |
| 1037 | |
Karol Kozimor | e067aaa | 2006-06-30 19:07:00 -0400 | [diff] [blame] | 1038 | if (hotk->methods->mt_bt_switch) { |
| 1039 | asus_proc_add(PROC_BT, &proc_write_bluetooth, |
| 1040 | &proc_read_bluetooth, mode, device); |
| 1041 | } |
| 1042 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1043 | /* |
| 1044 | * We need both read node and write method as LCD switch is also accessible |
| 1045 | * from keyboard |
| 1046 | */ |
| 1047 | if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1048 | asus_proc_add(PROC_LCD, &proc_write_lcd, &proc_read_lcd, mode, |
| 1049 | device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1050 | } |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1051 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1052 | if ((hotk->methods->brightness_up && hotk->methods->brightness_down) || |
| 1053 | (hotk->methods->brightness_get && hotk->methods->brightness_set)) { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1054 | asus_proc_add(PROC_BRN, &proc_write_brn, &proc_read_brn, mode, |
| 1055 | device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1056 | } |
| 1057 | |
| 1058 | if (hotk->methods->display_set) { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1059 | asus_proc_add(PROC_DISP, &proc_write_disp, &proc_read_disp, |
| 1060 | mode, device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1061 | } |
| 1062 | |
| 1063 | return 0; |
| 1064 | } |
| 1065 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1066 | static int asus_hotk_remove_fs(struct acpi_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1067 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1068 | if (acpi_device_dir(device)) { |
| 1069 | remove_proc_entry(PROC_INFO, acpi_device_dir(device)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1070 | if (hotk->methods->mt_wled) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1071 | remove_proc_entry(PROC_WLED, acpi_device_dir(device)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1072 | if (hotk->methods->mt_mled) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1073 | remove_proc_entry(PROC_MLED, acpi_device_dir(device)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1074 | if (hotk->methods->mt_tled) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1075 | remove_proc_entry(PROC_TLED, acpi_device_dir(device)); |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 1076 | if (hotk->methods->mt_ledd) |
| 1077 | remove_proc_entry(PROC_LEDD, acpi_device_dir(device)); |
Karol Kozimor | e067aaa | 2006-06-30 19:07:00 -0400 | [diff] [blame] | 1078 | if (hotk->methods->mt_bt_switch) |
| 1079 | remove_proc_entry(PROC_BT, acpi_device_dir(device)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1080 | if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) |
| 1081 | remove_proc_entry(PROC_LCD, acpi_device_dir(device)); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1082 | if ((hotk->methods->brightness_up |
| 1083 | && hotk->methods->brightness_down) |
| 1084 | || (hotk->methods->brightness_get |
| 1085 | && hotk->methods->brightness_set)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1086 | remove_proc_entry(PROC_BRN, acpi_device_dir(device)); |
| 1087 | if (hotk->methods->display_set) |
| 1088 | remove_proc_entry(PROC_DISP, acpi_device_dir(device)); |
| 1089 | } |
| 1090 | return 0; |
| 1091 | } |
| 1092 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1093 | static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) |
| 1094 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1095 | /* TODO Find a better way to handle events count. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1096 | if (!hotk) |
| 1097 | return; |
| 1098 | |
| 1099 | if ((event & ~((u32) BR_UP)) < 16) { |
| 1100 | hotk->brightness = (event & ~((u32) BR_UP)); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1101 | } else if ((event & ~((u32) BR_DOWN)) < 16) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1102 | hotk->brightness = (event & ~((u32) BR_DOWN)); |
| 1103 | } |
| 1104 | |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 1105 | acpi_bus_generate_proc_event(hotk->device, event, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1106 | hotk->event_count[event % 128]++); |
| 1107 | |
| 1108 | return; |
| 1109 | } |
| 1110 | |
| 1111 | /* |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1112 | * Match the model string to the list of supported models. Return END_MODEL if |
| 1113 | * no match or model is NULL. |
| 1114 | */ |
| 1115 | static int asus_model_match(char *model) |
| 1116 | { |
| 1117 | if (model == NULL) |
| 1118 | return END_MODEL; |
| 1119 | |
| 1120 | if (strncmp(model, "L3D", 3) == 0) |
| 1121 | return L3D; |
| 1122 | else if (strncmp(model, "L2E", 3) == 0 || |
| 1123 | strncmp(model, "L3H", 3) == 0 || strncmp(model, "L5D", 3) == 0) |
| 1124 | return L3H; |
| 1125 | else if (strncmp(model, "L3", 2) == 0 || strncmp(model, "L2B", 3) == 0) |
| 1126 | return L3C; |
| 1127 | else if (strncmp(model, "L8L", 3) == 0) |
| 1128 | return L8L; |
| 1129 | else if (strncmp(model, "L4R", 3) == 0) |
| 1130 | return L4R; |
| 1131 | else if (strncmp(model, "M6N", 3) == 0 || strncmp(model, "W3N", 3) == 0) |
| 1132 | return M6N; |
| 1133 | else if (strncmp(model, "M6R", 3) == 0 || strncmp(model, "A3G", 3) == 0) |
| 1134 | return M6R; |
| 1135 | else if (strncmp(model, "M2N", 3) == 0 || |
| 1136 | strncmp(model, "M3N", 3) == 0 || |
| 1137 | strncmp(model, "M5N", 3) == 0 || |
| 1138 | strncmp(model, "M6N", 3) == 0 || |
| 1139 | strncmp(model, "S1N", 3) == 0 || |
| 1140 | strncmp(model, "S5N", 3) == 0 || strncmp(model, "W1N", 3) == 0) |
| 1141 | return xxN; |
| 1142 | else if (strncmp(model, "M1", 2) == 0) |
| 1143 | return M1A; |
| 1144 | else if (strncmp(model, "M2", 2) == 0 || strncmp(model, "L4E", 3) == 0) |
| 1145 | return M2E; |
| 1146 | else if (strncmp(model, "L2", 2) == 0) |
| 1147 | return L2D; |
| 1148 | else if (strncmp(model, "L8", 2) == 0) |
| 1149 | return S1x; |
| 1150 | else if (strncmp(model, "D1", 2) == 0) |
| 1151 | return D1x; |
| 1152 | else if (strncmp(model, "A1", 2) == 0) |
| 1153 | return A1x; |
| 1154 | else if (strncmp(model, "A2", 2) == 0) |
| 1155 | return A2x; |
| 1156 | else if (strncmp(model, "J1", 2) == 0) |
| 1157 | return S2x; |
| 1158 | else if (strncmp(model, "L5", 2) == 0) |
| 1159 | return L5x; |
| 1160 | else if (strncmp(model, "A4G", 3) == 0) |
| 1161 | return A4G; |
| 1162 | else if (strncmp(model, "W1N", 3) == 0) |
| 1163 | return W1N; |
Marek W | 288f3ad | 2006-08-14 22:37:20 -0700 | [diff] [blame] | 1164 | else if (strncmp(model, "W3V", 3) == 0) |
| 1165 | return W3V; |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1166 | else if (strncmp(model, "W5A", 3) == 0) |
| 1167 | return W5A; |
Matthew C Campbell | 1c0f057 | 2007-02-05 16:09:09 -0800 | [diff] [blame] | 1168 | else if (strncmp(model, "A4S", 3) == 0) |
| 1169 | return A4S; |
Luca Tettamanti | 31e0729 | 2008-02-04 23:31:18 -0800 | [diff] [blame] | 1170 | else if (strncmp(model, "F3Sa", 4) == 0) |
| 1171 | return F3Sa; |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1172 | else |
| 1173 | return END_MODEL; |
| 1174 | } |
| 1175 | |
| 1176 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1177 | * This function is used to initialize the hotk with right values. In this |
| 1178 | * method, we can make all the detection we want, and modify the hotk struct |
| 1179 | */ |
Bjorn Helgaas | 200739c | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 1180 | static int asus_hotk_get_info(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1181 | { |
| 1182 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1183 | union acpi_object *model = NULL; |
| 1184 | int bsts_result; |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1185 | char *string = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1186 | acpi_status status; |
| 1187 | |
| 1188 | /* |
| 1189 | * Get DSDT headers early enough to allow for differentiating between |
| 1190 | * models, but late enough to allow acpi_bus_register_driver() to fail |
| 1191 | * before doing anything ACPI-specific. Should we encounter a machine, |
| 1192 | * which needs special handling (i.e. its hotkey device has a different |
| 1193 | * HID), this bit will be moved. A global variable asus_info contains |
| 1194 | * the DSDT header. |
| 1195 | */ |
Alexey Starikovskiy | ad71860a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 1196 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1197 | if (ACPI_FAILURE(status)) |
| 1198 | printk(KERN_WARNING " Couldn't get the DSDT table header\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1199 | |
| 1200 | /* We have to write 0 on init this far for all ASUS models */ |
| 1201 | if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { |
| 1202 | printk(KERN_ERR " Hotkey initialization failed\n"); |
| 1203 | return -ENODEV; |
| 1204 | } |
| 1205 | |
| 1206 | /* This needs to be called for some laptops to init properly */ |
| 1207 | if (!read_acpi_int(hotk->handle, "BSTS", &bsts_result)) |
| 1208 | printk(KERN_WARNING " Error calling BSTS\n"); |
| 1209 | else if (bsts_result) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1210 | printk(KERN_NOTICE " BSTS called, 0x%02x returned\n", |
| 1211 | bsts_result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1212 | |
Karol Kozimor | b697b53 | 2005-12-22 12:42:00 -0500 | [diff] [blame] | 1213 | /* |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1214 | * Try to match the object returned by INIT to the specific model. |
| 1215 | * Handle every possible object (or the lack of thereof) the DSDT |
| 1216 | * writers might throw at us. When in trouble, we pass NULL to |
| 1217 | * asus_model_match() and try something completely different. |
Karol Kozimor | b697b53 | 2005-12-22 12:42:00 -0500 | [diff] [blame] | 1218 | */ |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1219 | if (buffer.pointer) { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 1220 | model = buffer.pointer; |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1221 | switch (model->type) { |
| 1222 | case ACPI_TYPE_STRING: |
| 1223 | string = model->string.pointer; |
| 1224 | break; |
| 1225 | case ACPI_TYPE_BUFFER: |
| 1226 | string = model->buffer.pointer; |
| 1227 | break; |
| 1228 | default: |
| 1229 | kfree(model); |
Jesper Juhl | de47b69 | 2007-07-29 00:45:59 +0200 | [diff] [blame] | 1230 | model = NULL; |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1231 | break; |
| 1232 | } |
| 1233 | } |
| 1234 | hotk->model = asus_model_match(string); |
| 1235 | if (hotk->model == END_MODEL) { /* match failed */ |
| 1236 | if (asus_info && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1237 | strncmp(asus_info->oem_table_id, "ODEM", 4) == 0) { |
| 1238 | hotk->model = P30; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1239 | printk(KERN_NOTICE |
| 1240 | " Samsung P30 detected, supported\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1241 | } else { |
| 1242 | hotk->model = M2E; |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1243 | printk(KERN_NOTICE " unsupported model %s, trying " |
| 1244 | "default values\n", string); |
| 1245 | printk(KERN_NOTICE |
| 1246 | " send /proc/acpi/dsdt to the developers\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1247 | } |
| 1248 | hotk->methods = &model_conf[hotk->model]; |
Karol Kozimor | b697b53 | 2005-12-22 12:42:00 -0500 | [diff] [blame] | 1249 | return AE_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1250 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1251 | hotk->methods = &model_conf[hotk->model]; |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1252 | printk(KERN_NOTICE " %s model detected, supported\n", string); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1253 | |
| 1254 | /* Sort of per-model blacklist */ |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1255 | if (strncmp(string, "L2B", 3) == 0) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1256 | hotk->methods->lcd_status = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1257 | /* L2B is similar enough to L3C to use its settings, with this only |
| 1258 | exception */ |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1259 | else if (strncmp(string, "A3G", 3) == 0) |
Karol Kozimor | ed2cb07 | 2006-06-30 19:03:00 -0400 | [diff] [blame] | 1260 | hotk->methods->lcd_status = "\\BLFG"; |
| 1261 | /* A3G is like M6R */ |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1262 | else if (strncmp(string, "S5N", 3) == 0 || |
| 1263 | strncmp(string, "M5N", 3) == 0 || |
| 1264 | strncmp(string, "W3N", 3) == 0) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1265 | hotk->methods->mt_mled = NULL; |
Karol Kozimor | c067a78 | 2006-06-30 19:05:00 -0400 | [diff] [blame] | 1266 | /* S5N, M5N and W3N have no MLED */ |
Karol Kozimor | ffab0d9 | 2006-06-30 19:11:00 -0400 | [diff] [blame] | 1267 | else if (strncmp(string, "L5D", 3) == 0) |
Karol Kozimor | ebccb84 | 2006-06-30 19:08:00 -0400 | [diff] [blame] | 1268 | hotk->methods->mt_wled = NULL; |
| 1269 | /* L5D's WLED is not controlled by ACPI */ |
Karol Kozimor | 96d1142 | 2006-06-30 19:13:00 -0400 | [diff] [blame] | 1270 | else if (strncmp(string, "M2N", 3) == 0 || |
Marek W | 288f3ad | 2006-08-14 22:37:20 -0700 | [diff] [blame] | 1271 | strncmp(string, "W3V", 3) == 0 || |
Karol Kozimor | 96d1142 | 2006-06-30 19:13:00 -0400 | [diff] [blame] | 1272 | strncmp(string, "S1N", 3) == 0) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1273 | hotk->methods->mt_wled = "WLED"; |
Marek W | 288f3ad | 2006-08-14 22:37:20 -0700 | [diff] [blame] | 1274 | /* M2N, S1N and W3V have a usable WLED */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1275 | else if (asus_info) { |
| 1276 | if (strncmp(asus_info->oem_table_id, "L1", 2) == 0) |
| 1277 | hotk->methods->mled_status = NULL; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1278 | /* S1300A reports L84F, but L1400B too, account for that */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1279 | } |
| 1280 | |
Len Brown | 02438d8 | 2006-06-30 03:19:10 -0400 | [diff] [blame] | 1281 | kfree(model); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1282 | |
| 1283 | return AE_OK; |
| 1284 | } |
| 1285 | |
Bjorn Helgaas | 200739c | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 1286 | static int asus_hotk_check(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1287 | { |
| 1288 | int result = 0; |
| 1289 | |
| 1290 | result = acpi_bus_get_status(hotk->device); |
| 1291 | if (result) |
| 1292 | return result; |
| 1293 | |
| 1294 | if (hotk->device->status.present) { |
| 1295 | result = asus_hotk_get_info(); |
| 1296 | } else { |
| 1297 | printk(KERN_ERR " Hotkey device not present, aborting\n"); |
| 1298 | return -EINVAL; |
| 1299 | } |
| 1300 | |
| 1301 | return result; |
| 1302 | } |
| 1303 | |
Bjorn Helgaas | 578b333 | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 1304 | static int asus_hotk_found; |
| 1305 | |
Bjorn Helgaas | 200739c | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 1306 | static int asus_hotk_add(struct acpi_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1307 | { |
| 1308 | acpi_status status = AE_OK; |
| 1309 | int result; |
| 1310 | |
| 1311 | if (!device) |
| 1312 | return -EINVAL; |
| 1313 | |
| 1314 | printk(KERN_NOTICE "Asus Laptop ACPI Extras version %s\n", |
| 1315 | ASUS_ACPI_VERSION); |
| 1316 | |
Burman Yan | 36bcbec | 2006-12-19 12:56:11 -0800 | [diff] [blame] | 1317 | hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1318 | if (!hotk) |
| 1319 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1320 | |
| 1321 | hotk->handle = device->handle; |
| 1322 | strcpy(acpi_device_name(device), ACPI_HOTK_DEVICE_NAME); |
| 1323 | strcpy(acpi_device_class(device), ACPI_HOTK_CLASS); |
| 1324 | acpi_driver_data(device) = hotk; |
| 1325 | hotk->device = device; |
| 1326 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1327 | result = asus_hotk_check(); |
| 1328 | if (result) |
| 1329 | goto end; |
| 1330 | |
| 1331 | result = asus_hotk_add_fs(device); |
| 1332 | if (result) |
| 1333 | goto end; |
| 1334 | |
| 1335 | /* |
| 1336 | * We install the handler, it will receive the hotk in parameter, so, we |
| 1337 | * could add other data to the hotk struct |
| 1338 | */ |
| 1339 | status = acpi_install_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY, |
| 1340 | asus_hotk_notify, hotk); |
| 1341 | if (ACPI_FAILURE(status)) |
| 1342 | printk(KERN_ERR " Error installing notify handler\n"); |
| 1343 | |
| 1344 | /* For laptops without GPLV: init the hotk->brightness value */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1345 | if ((!hotk->methods->brightness_get) |
| 1346 | && (!hotk->methods->brightness_status) |
Karol Kozimor | a170a53 | 2006-06-30 19:03:00 -0400 | [diff] [blame] | 1347 | && (hotk->methods->brightness_up && hotk->methods->brightness_down)) { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1348 | status = |
| 1349 | acpi_evaluate_object(NULL, hotk->methods->brightness_down, |
| 1350 | NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1351 | if (ACPI_FAILURE(status)) |
| 1352 | printk(KERN_WARNING " Error changing brightness\n"); |
| 1353 | else { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1354 | status = |
| 1355 | acpi_evaluate_object(NULL, |
| 1356 | hotk->methods->brightness_up, |
| 1357 | NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1358 | if (ACPI_FAILURE(status)) |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 1359 | printk(KERN_WARNING " Strange, error changing" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1360 | " brightness\n"); |
| 1361 | } |
| 1362 | } |
| 1363 | |
Bjorn Helgaas | 578b333 | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 1364 | asus_hotk_found = 1; |
| 1365 | |
Karol Kozimor | 42cb891 | 2006-06-30 19:04:00 -0400 | [diff] [blame] | 1366 | /* LED display is off by default */ |
| 1367 | hotk->ledd_status = 0xFFF; |
| 1368 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1369 | end: |
| 1370 | if (result) { |
| 1371 | kfree(hotk); |
| 1372 | } |
| 1373 | |
| 1374 | return result; |
| 1375 | } |
| 1376 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1377 | static int asus_hotk_remove(struct acpi_device *device, int type) |
| 1378 | { |
| 1379 | acpi_status status = 0; |
| 1380 | |
| 1381 | if (!device || !acpi_driver_data(device)) |
| 1382 | return -EINVAL; |
| 1383 | |
| 1384 | status = acpi_remove_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY, |
| 1385 | asus_hotk_notify); |
| 1386 | if (ACPI_FAILURE(status)) |
| 1387 | printk(KERN_ERR "Asus ACPI: Error removing notify handler\n"); |
| 1388 | |
| 1389 | asus_hotk_remove_fs(device); |
| 1390 | |
| 1391 | kfree(hotk); |
| 1392 | |
| 1393 | return 0; |
| 1394 | } |
| 1395 | |
Richard Purdie | 599a52d | 2007-02-10 23:07:48 +0000 | [diff] [blame] | 1396 | static struct backlight_ops asus_backlight_data = { |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 1397 | .get_brightness = read_brightness, |
| 1398 | .update_status = set_brightness_status, |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 1399 | }; |
| 1400 | |
Sam Ravnborg | b2b77b2 | 2007-06-01 00:47:12 -0700 | [diff] [blame] | 1401 | static void asus_acpi_exit(void) |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 1402 | { |
| 1403 | if (asus_backlight_device) |
| 1404 | backlight_device_unregister(asus_backlight_device); |
| 1405 | |
| 1406 | acpi_bus_unregister_driver(&asus_hotk_driver); |
| 1407 | remove_proc_entry(PROC_ASUS, acpi_root_dir); |
| 1408 | |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 1409 | return; |
| 1410 | } |
| 1411 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1412 | static int __init asus_acpi_init(void) |
| 1413 | { |
| 1414 | int result; |
| 1415 | |
| 1416 | if (acpi_disabled) |
| 1417 | return -ENODEV; |
| 1418 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1419 | asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir); |
| 1420 | if (!asus_proc_dir) { |
| 1421 | printk(KERN_ERR "Asus ACPI: Unable to create /proc entry\n"); |
| 1422 | return -ENODEV; |
| 1423 | } |
| 1424 | asus_proc_dir->owner = THIS_MODULE; |
| 1425 | |
| 1426 | result = acpi_bus_register_driver(&asus_hotk_driver); |
Bjorn Helgaas | 578b333 | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 1427 | if (result < 0) { |
| 1428 | remove_proc_entry(PROC_ASUS, acpi_root_dir); |
Andrew Morton | 5e7d881 | 2006-06-24 19:36:00 -0400 | [diff] [blame] | 1429 | return result; |
Bjorn Helgaas | 578b333 | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 1430 | } |
| 1431 | |
| 1432 | /* |
| 1433 | * This is a bit of a kludge. We only want this module loaded |
| 1434 | * for ASUS systems, but there's currently no way to probe the |
| 1435 | * ACPI namespace for ASUS HIDs. So we just return failure if |
| 1436 | * we didn't find one, which will cause the module to be |
| 1437 | * unloaded. |
| 1438 | */ |
| 1439 | if (!asus_hotk_found) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1440 | acpi_bus_unregister_driver(&asus_hotk_driver); |
| 1441 | remove_proc_entry(PROC_ASUS, acpi_root_dir); |
Maxime Austruy | 5ebffd7 | 2007-07-01 12:06:38 -0700 | [diff] [blame] | 1442 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1443 | } |
| 1444 | |
Yu Luming | 519ab5f | 2006-12-19 12:56:15 -0800 | [diff] [blame] | 1445 | asus_backlight_device = backlight_device_register("asus",NULL,NULL, |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 1446 | &asus_backlight_data); |
| 1447 | if (IS_ERR(asus_backlight_device)) { |
| 1448 | printk(KERN_ERR "Could not register asus backlight device\n"); |
| 1449 | asus_backlight_device = NULL; |
| 1450 | asus_acpi_exit(); |
Maxime Austruy | 5ebffd7 | 2007-07-01 12:06:38 -0700 | [diff] [blame] | 1451 | return -ENODEV; |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 1452 | } |
Richard Purdie | 599a52d | 2007-02-10 23:07:48 +0000 | [diff] [blame] | 1453 | asus_backlight_device->props.max_brightness = 15; |
Holger Macht | 2039a6e | 2006-10-20 14:30:29 -0700 | [diff] [blame] | 1454 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1455 | return 0; |
| 1456 | } |
| 1457 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1458 | module_init(asus_acpi_init); |
| 1459 | module_exit(asus_acpi_exit); |