Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1 | /* |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 2 | * eeepc-laptop.c - Asus Eee PC extras |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 3 | * |
| 4 | * Based on asus_acpi.c as patched for the Eee PC by Asus: |
| 5 | * ftp://ftp.asus.com/pub/ASUS/EeePC/701/ASUS_ACPI_071126.rar |
| 6 | * Based on eee.c from eeepc-linux |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | */ |
| 18 | |
Joe Perches | 19b5328 | 2009-06-25 13:25:37 +0200 | [diff] [blame] | 19 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 20 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 21 | #include <linux/kernel.h> |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/types.h> |
| 25 | #include <linux/platform_device.h> |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 26 | #include <linux/backlight.h> |
| 27 | #include <linux/fb.h> |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 28 | #include <linux/hwmon.h> |
| 29 | #include <linux/hwmon-sysfs.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 30 | #include <linux/slab.h> |
Lv Zheng | 8b48463 | 2013-12-03 08:49:16 +0800 | [diff] [blame] | 31 | #include <linux/acpi.h> |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 32 | #include <linux/uaccess.h> |
Matthew Garrett | a195dcd | 2008-08-19 12:13:20 +0100 | [diff] [blame] | 33 | #include <linux/input.h> |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 34 | #include <linux/input/sparse-keymap.h> |
Matthew Garrett | a195dcd | 2008-08-19 12:13:20 +0100 | [diff] [blame] | 35 | #include <linux/rfkill.h> |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 36 | #include <linux/pci.h> |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 37 | #include <linux/pci_hotplug.h> |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 38 | #include <linux/leds.h> |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 39 | #include <linux/dmi.h> |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 40 | |
| 41 | #define EEEPC_LAPTOP_VERSION "0.1" |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 42 | #define EEEPC_LAPTOP_NAME "Eee PC Hotkey Driver" |
| 43 | #define EEEPC_LAPTOP_FILE "eeepc" |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 44 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 45 | #define EEEPC_ACPI_CLASS "hotkey" |
| 46 | #define EEEPC_ACPI_DEVICE_NAME "Hotkey" |
| 47 | #define EEEPC_ACPI_HID "ASUS010" |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 48 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 49 | MODULE_AUTHOR("Corentin Chary, Eric Cooper"); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 50 | MODULE_DESCRIPTION(EEEPC_LAPTOP_NAME); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 51 | MODULE_LICENSE("GPL"); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 52 | |
Corentin Chary | 322a135 | 2010-01-06 22:07:40 +0100 | [diff] [blame] | 53 | static bool hotplug_disabled; |
| 54 | |
Axel Lin | bfa4796 | 2010-07-20 15:19:55 -0700 | [diff] [blame] | 55 | module_param(hotplug_disabled, bool, 0444); |
Corentin Chary | 322a135 | 2010-01-06 22:07:40 +0100 | [diff] [blame] | 56 | MODULE_PARM_DESC(hotplug_disabled, |
| 57 | "Disable hotplug for wireless device. " |
| 58 | "If your laptop need that, please report to " |
| 59 | "acpi4asus-user@lists.sourceforge.net."); |
| 60 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 61 | /* |
| 62 | * Definitions for Asus EeePC |
| 63 | */ |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 64 | #define NOTIFY_BRN_MIN 0x20 |
| 65 | #define NOTIFY_BRN_MAX 0x2f |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 66 | |
| 67 | enum { |
| 68 | DISABLE_ASL_WLAN = 0x0001, |
| 69 | DISABLE_ASL_BLUETOOTH = 0x0002, |
| 70 | DISABLE_ASL_IRDA = 0x0004, |
| 71 | DISABLE_ASL_CAMERA = 0x0008, |
| 72 | DISABLE_ASL_TV = 0x0010, |
| 73 | DISABLE_ASL_GPS = 0x0020, |
| 74 | DISABLE_ASL_DISPLAYSWITCH = 0x0040, |
| 75 | DISABLE_ASL_MODEM = 0x0080, |
Corentin Chary | b7b700d | 2009-06-16 19:28:52 +0000 | [diff] [blame] | 76 | DISABLE_ASL_CARDREADER = 0x0100, |
| 77 | DISABLE_ASL_3G = 0x0200, |
| 78 | DISABLE_ASL_WIMAX = 0x0400, |
| 79 | DISABLE_ASL_HWCF = 0x0800 |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 80 | }; |
| 81 | |
| 82 | enum { |
| 83 | CM_ASL_WLAN = 0, |
| 84 | CM_ASL_BLUETOOTH, |
| 85 | CM_ASL_IRDA, |
| 86 | CM_ASL_1394, |
| 87 | CM_ASL_CAMERA, |
| 88 | CM_ASL_TV, |
| 89 | CM_ASL_GPS, |
| 90 | CM_ASL_DVDROM, |
| 91 | CM_ASL_DISPLAYSWITCH, |
| 92 | CM_ASL_PANELBRIGHT, |
| 93 | CM_ASL_BIOSFLASH, |
| 94 | CM_ASL_ACPIFLASH, |
| 95 | CM_ASL_CPUFV, |
| 96 | CM_ASL_CPUTEMPERATURE, |
| 97 | CM_ASL_FANCPU, |
| 98 | CM_ASL_FANCHASSIS, |
| 99 | CM_ASL_USBPORT1, |
| 100 | CM_ASL_USBPORT2, |
| 101 | CM_ASL_USBPORT3, |
| 102 | CM_ASL_MODEM, |
| 103 | CM_ASL_CARDREADER, |
Corentin Chary | b7b700d | 2009-06-16 19:28:52 +0000 | [diff] [blame] | 104 | CM_ASL_3G, |
| 105 | CM_ASL_WIMAX, |
| 106 | CM_ASL_HWCF, |
| 107 | CM_ASL_LID, |
| 108 | CM_ASL_TYPE, |
| 109 | CM_ASL_PANELPOWER, /*P901*/ |
| 110 | CM_ASL_TPD |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 111 | }; |
| 112 | |
Adrian Bunk | 1410946 | 2008-06-25 19:25:47 +0300 | [diff] [blame] | 113 | static const char *cm_getv[] = { |
Jonathan McDowell | 3af9bfc | 2008-12-03 20:31:11 +0000 | [diff] [blame] | 114 | "WLDG", "BTHG", NULL, NULL, |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 115 | "CAMG", NULL, NULL, NULL, |
| 116 | NULL, "PBLG", NULL, NULL, |
| 117 | "CFVG", NULL, NULL, NULL, |
| 118 | "USBG", NULL, NULL, "MODG", |
Corentin Chary | b7b700d | 2009-06-16 19:28:52 +0000 | [diff] [blame] | 119 | "CRDG", "M3GG", "WIMG", "HWCF", |
| 120 | "LIDG", "TYPE", "PBPG", "TPDG" |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 121 | }; |
| 122 | |
Adrian Bunk | 1410946 | 2008-06-25 19:25:47 +0300 | [diff] [blame] | 123 | static const char *cm_setv[] = { |
Jonathan McDowell | 3af9bfc | 2008-12-03 20:31:11 +0000 | [diff] [blame] | 124 | "WLDS", "BTHS", NULL, NULL, |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 125 | "CAMS", NULL, NULL, NULL, |
| 126 | "SDSP", "PBLS", "HDPS", NULL, |
| 127 | "CFVS", NULL, NULL, NULL, |
| 128 | "USBG", NULL, NULL, "MODS", |
Corentin Chary | b7b700d | 2009-06-16 19:28:52 +0000 | [diff] [blame] | 129 | "CRDS", "M3GS", "WIMS", NULL, |
| 130 | NULL, NULL, "PBPS", "TPDS" |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 131 | }; |
| 132 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 133 | static const struct key_entry eeepc_keymap[] = { |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 134 | { KE_KEY, 0x10, { KEY_WLAN } }, |
| 135 | { KE_KEY, 0x11, { KEY_WLAN } }, |
| 136 | { KE_KEY, 0x12, { KEY_PROG1 } }, |
| 137 | { KE_KEY, 0x13, { KEY_MUTE } }, |
| 138 | { KE_KEY, 0x14, { KEY_VOLUMEDOWN } }, |
| 139 | { KE_KEY, 0x15, { KEY_VOLUMEUP } }, |
| 140 | { KE_KEY, 0x16, { KEY_DISPLAY_OFF } }, |
| 141 | { KE_KEY, 0x1a, { KEY_COFFEE } }, |
| 142 | { KE_KEY, 0x1b, { KEY_ZOOM } }, |
| 143 | { KE_KEY, 0x1c, { KEY_PROG2 } }, |
| 144 | { KE_KEY, 0x1d, { KEY_PROG3 } }, |
| 145 | { KE_KEY, NOTIFY_BRN_MIN, { KEY_BRIGHTNESSDOWN } }, |
| 146 | { KE_KEY, NOTIFY_BRN_MAX, { KEY_BRIGHTNESSUP } }, |
| 147 | { KE_KEY, 0x30, { KEY_SWITCHVIDEOMODE } }, |
| 148 | { KE_KEY, 0x31, { KEY_SWITCHVIDEOMODE } }, |
| 149 | { KE_KEY, 0x32, { KEY_SWITCHVIDEOMODE } }, |
| 150 | { KE_KEY, 0x37, { KEY_F13 } }, /* Disable Touchpad */ |
| 151 | { KE_KEY, 0x38, { KEY_F14 } }, |
| 152 | { KE_END, 0 }, |
Matthew Garrett | a195dcd | 2008-08-19 12:13:20 +0100 | [diff] [blame] | 153 | }; |
| 154 | |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 155 | /* |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 156 | * This is the main structure, we can use it to store useful information |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 157 | */ |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 158 | struct eeepc_laptop { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 159 | acpi_handle handle; /* the handle of the acpi device */ |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 160 | u32 cm_supported; /* the control methods supported |
| 161 | by this BIOS */ |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 162 | bool cpufv_disabled; |
Corentin Chary | 10ae4b5 | 2010-01-06 22:07:38 +0100 | [diff] [blame] | 163 | bool hotplug_disabled; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 164 | u16 event_count[128]; /* count for each event */ |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 165 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 166 | struct platform_device *platform_device; |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 167 | struct acpi_device *device; /* the device we are in */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 168 | struct backlight_device *backlight_device; |
| 169 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 170 | struct input_dev *inputdev; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 171 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 172 | struct rfkill *wlan_rfkill; |
| 173 | struct rfkill *bluetooth_rfkill; |
| 174 | struct rfkill *wwan3g_rfkill; |
| 175 | struct rfkill *wimax_rfkill; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 176 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 177 | struct hotplug_slot *hotplug_slot; |
| 178 | struct mutex hotplug_lock; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 179 | |
| 180 | struct led_classdev tpd_led; |
| 181 | int tpd_led_wk; |
| 182 | struct workqueue_struct *led_workqueue; |
| 183 | struct work_struct tpd_led_work; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 184 | }; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 185 | |
| 186 | /* |
| 187 | * ACPI Helpers |
| 188 | */ |
Alan Jenkins | 6b188a7 | 2009-12-03 07:45:02 +0000 | [diff] [blame] | 189 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 190 | { |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 191 | acpi_status status; |
| 192 | |
Zhang Rui | fca4199 | 2013-09-03 08:31:51 +0800 | [diff] [blame] | 193 | status = acpi_execute_simple_method(handle, (char *)method, val); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 194 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 195 | return (status == AE_OK ? 0 : -1); |
| 196 | } |
| 197 | |
| 198 | static int read_acpi_int(acpi_handle handle, const char *method, int *val) |
| 199 | { |
| 200 | acpi_status status; |
Matthew Wilcox | 27663c5 | 2008-10-10 02:22:59 -0400 | [diff] [blame] | 201 | unsigned long long result; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 202 | |
| 203 | status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); |
| 204 | if (ACPI_FAILURE(status)) { |
| 205 | *val = -1; |
| 206 | return -1; |
| 207 | } else { |
| 208 | *val = result; |
| 209 | return 0; |
| 210 | } |
| 211 | } |
| 212 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 213 | static int set_acpi(struct eeepc_laptop *eeepc, int cm, int value) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 214 | { |
Alan Jenkins | 13f7002 | 2009-12-03 07:44:59 +0000 | [diff] [blame] | 215 | const char *method = cm_setv[cm]; |
| 216 | |
| 217 | if (method == NULL) |
| 218 | return -ENODEV; |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 219 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
Alan Jenkins | 13f7002 | 2009-12-03 07:44:59 +0000 | [diff] [blame] | 220 | return -ENODEV; |
| 221 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 222 | if (write_acpi_int(eeepc->handle, method, value)) |
Joe Perches | 22441ff | 2011-03-29 15:21:38 -0700 | [diff] [blame] | 223 | pr_warn("Error writing %s\n", method); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 224 | return 0; |
| 225 | } |
| 226 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 227 | static int get_acpi(struct eeepc_laptop *eeepc, int cm) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 228 | { |
Alan Jenkins | 13f7002 | 2009-12-03 07:44:59 +0000 | [diff] [blame] | 229 | const char *method = cm_getv[cm]; |
| 230 | int value; |
| 231 | |
| 232 | if (method == NULL) |
| 233 | return -ENODEV; |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 234 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
Alan Jenkins | 13f7002 | 2009-12-03 07:44:59 +0000 | [diff] [blame] | 235 | return -ENODEV; |
| 236 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 237 | if (read_acpi_int(eeepc->handle, method, &value)) |
Joe Perches | 22441ff | 2011-03-29 15:21:38 -0700 | [diff] [blame] | 238 | pr_warn("Error reading %s\n", method); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 239 | return value; |
| 240 | } |
| 241 | |
Corentin Chary | f90be87 | 2009-12-03 07:45:14 +0000 | [diff] [blame] | 242 | static int acpi_setter_handle(struct eeepc_laptop *eeepc, int cm, |
| 243 | acpi_handle *handle) |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 244 | { |
| 245 | const char *method = cm_setv[cm]; |
| 246 | acpi_status status; |
| 247 | |
| 248 | if (method == NULL) |
| 249 | return -ENODEV; |
| 250 | if ((eeepc->cm_supported & (0x1 << cm)) == 0) |
| 251 | return -ENODEV; |
| 252 | |
| 253 | status = acpi_get_handle(eeepc->handle, (char *)method, |
Corentin Chary | f90be87 | 2009-12-03 07:45:14 +0000 | [diff] [blame] | 254 | handle); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 255 | if (status != AE_OK) { |
Joe Perches | 22441ff | 2011-03-29 15:21:38 -0700 | [diff] [blame] | 256 | pr_warn("Error finding %s\n", method); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 257 | return -ENODEV; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 258 | } |
| 259 | return 0; |
| 260 | } |
| 261 | |
Pekka Enberg | cede2cb | 2009-06-16 19:28:45 +0000 | [diff] [blame] | 262 | |
Matthew Garrett | a195dcd | 2008-08-19 12:13:20 +0100 | [diff] [blame] | 263 | /* |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 264 | * Sys helpers |
| 265 | */ |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 266 | static int parse_arg(const char *buf, int *val) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 267 | { |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 268 | if (sscanf(buf, "%i", val) != 1) |
| 269 | return -EINVAL; |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 270 | return 0; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 271 | } |
| 272 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 273 | static ssize_t store_sys_acpi(struct device *dev, int cm, |
| 274 | const char *buf, size_t count) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 275 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 276 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 277 | int rv, value; |
| 278 | |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 279 | rv = parse_arg(buf, &value); |
| 280 | if (rv < 0) |
| 281 | return rv; |
| 282 | rv = set_acpi(eeepc, cm, value); |
| 283 | if (rv < 0) |
Alan Jenkins | 6dff29b | 2009-12-03 07:44:45 +0000 | [diff] [blame] | 284 | return -EIO; |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 285 | return count; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 286 | } |
| 287 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 288 | static ssize_t show_sys_acpi(struct device *dev, int cm, char *buf) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 289 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 290 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
| 291 | int value = get_acpi(eeepc, cm); |
Corentin Chary | f36509e | 2009-06-25 13:25:40 +0200 | [diff] [blame] | 292 | |
| 293 | if (value < 0) |
Alan Jenkins | 6dff29b | 2009-12-03 07:44:45 +0000 | [diff] [blame] | 294 | return -EIO; |
Corentin Chary | f36509e | 2009-06-25 13:25:40 +0200 | [diff] [blame] | 295 | return sprintf(buf, "%d\n", value); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 296 | } |
| 297 | |
Frans Klaver | 9797132 | 2014-09-17 23:47:22 +0200 | [diff] [blame] | 298 | #define EEEPC_ACPI_SHOW_FUNC(_name, _cm) \ |
Frans Klaver | 8c72fc8 | 2014-09-17 23:47:20 +0200 | [diff] [blame] | 299 | static ssize_t _name##_show(struct device *dev, \ |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 300 | struct device_attribute *attr, \ |
| 301 | char *buf) \ |
| 302 | { \ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 303 | return show_sys_acpi(dev, _cm, buf); \ |
Frans Klaver | 9797132 | 2014-09-17 23:47:22 +0200 | [diff] [blame] | 304 | } |
| 305 | |
| 306 | #define EEEPC_ACPI_STORE_FUNC(_name, _cm) \ |
Frans Klaver | 8c72fc8 | 2014-09-17 23:47:20 +0200 | [diff] [blame] | 307 | static ssize_t _name##_store(struct device *dev, \ |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 308 | struct device_attribute *attr, \ |
| 309 | const char *buf, size_t count) \ |
| 310 | { \ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 311 | return store_sys_acpi(dev, _cm, buf, count); \ |
Frans Klaver | 9797132 | 2014-09-17 23:47:22 +0200 | [diff] [blame] | 312 | } |
| 313 | |
Frans Klaver | 6fe3a77 | 2014-09-17 23:47:23 +0200 | [diff] [blame] | 314 | #define EEEPC_CREATE_DEVICE_ATTR_RW(_name, _cm) \ |
Frans Klaver | 9797132 | 2014-09-17 23:47:22 +0200 | [diff] [blame] | 315 | EEEPC_ACPI_SHOW_FUNC(_name, _cm) \ |
| 316 | EEEPC_ACPI_STORE_FUNC(_name, _cm) \ |
Frans Klaver | 6fe3a77 | 2014-09-17 23:47:23 +0200 | [diff] [blame] | 317 | static DEVICE_ATTR_RW(_name) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 318 | |
Frans Klaver | 6fe3a77 | 2014-09-17 23:47:23 +0200 | [diff] [blame] | 319 | #define EEEPC_CREATE_DEVICE_ATTR_WO(_name, _cm) \ |
| 320 | EEEPC_ACPI_STORE_FUNC(_name, _cm) \ |
| 321 | static DEVICE_ATTR_WO(_name) |
| 322 | |
| 323 | EEEPC_CREATE_DEVICE_ATTR_RW(camera, CM_ASL_CAMERA); |
| 324 | EEEPC_CREATE_DEVICE_ATTR_RW(cardr, CM_ASL_CARDREADER); |
| 325 | EEEPC_CREATE_DEVICE_ATTR_WO(disp, CM_ASL_DISPLAYSWITCH); |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 326 | |
| 327 | struct eeepc_cpufv { |
| 328 | int num; |
| 329 | int cur; |
| 330 | }; |
| 331 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 332 | static int get_cpufv(struct eeepc_laptop *eeepc, struct eeepc_cpufv *c) |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 333 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 334 | c->cur = get_acpi(eeepc, CM_ASL_CPUFV); |
Frans Klaver | a5c155b | 2014-09-17 23:47:26 +0200 | [diff] [blame] | 335 | if (c->cur < 0) |
| 336 | return -ENODEV; |
| 337 | |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 338 | c->num = (c->cur >> 8) & 0xff; |
| 339 | c->cur &= 0xff; |
Frans Klaver | a5c155b | 2014-09-17 23:47:26 +0200 | [diff] [blame] | 340 | if (c->num == 0 || c->num > 12) |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 341 | return -ENODEV; |
| 342 | return 0; |
| 343 | } |
| 344 | |
Frans Klaver | 8c72fc8 | 2014-09-17 23:47:20 +0200 | [diff] [blame] | 345 | static ssize_t available_cpufv_show(struct device *dev, |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 346 | struct device_attribute *attr, |
| 347 | char *buf) |
| 348 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 349 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 350 | struct eeepc_cpufv c; |
| 351 | int i; |
| 352 | ssize_t len = 0; |
| 353 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 354 | if (get_cpufv(eeepc, &c)) |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 355 | return -ENODEV; |
| 356 | for (i = 0; i < c.num; i++) |
| 357 | len += sprintf(buf + len, "%d ", i); |
| 358 | len += sprintf(buf + len, "\n"); |
| 359 | return len; |
| 360 | } |
| 361 | |
Frans Klaver | 8c72fc8 | 2014-09-17 23:47:20 +0200 | [diff] [blame] | 362 | static ssize_t cpufv_show(struct device *dev, |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 363 | struct device_attribute *attr, |
| 364 | char *buf) |
| 365 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 366 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 367 | struct eeepc_cpufv c; |
| 368 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 369 | if (get_cpufv(eeepc, &c)) |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 370 | return -ENODEV; |
| 371 | return sprintf(buf, "%#x\n", (c.num << 8) | c.cur); |
| 372 | } |
| 373 | |
Frans Klaver | 8c72fc8 | 2014-09-17 23:47:20 +0200 | [diff] [blame] | 374 | static ssize_t cpufv_store(struct device *dev, |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 375 | struct device_attribute *attr, |
| 376 | const char *buf, size_t count) |
| 377 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 378 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 379 | struct eeepc_cpufv c; |
| 380 | int rv, value; |
| 381 | |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 382 | if (eeepc->cpufv_disabled) |
| 383 | return -EPERM; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 384 | if (get_cpufv(eeepc, &c)) |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 385 | return -ENODEV; |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 386 | rv = parse_arg(buf, &value); |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 387 | if (rv < 0) |
| 388 | return rv; |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 389 | if (value < 0 || value >= c.num) |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 390 | return -EINVAL; |
Frans Klaver | d486903 | 2014-09-17 23:47:27 +0200 | [diff] [blame] | 391 | rv = set_acpi(eeepc, CM_ASL_CPUFV, value); |
| 392 | if (rv) |
| 393 | return rv; |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 394 | return count; |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 395 | } |
| 396 | |
Frans Klaver | 8c72fc8 | 2014-09-17 23:47:20 +0200 | [diff] [blame] | 397 | static ssize_t cpufv_disabled_show(struct device *dev, |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 398 | struct device_attribute *attr, |
| 399 | char *buf) |
| 400 | { |
| 401 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
| 402 | |
| 403 | return sprintf(buf, "%d\n", eeepc->cpufv_disabled); |
| 404 | } |
| 405 | |
Frans Klaver | 8c72fc8 | 2014-09-17 23:47:20 +0200 | [diff] [blame] | 406 | static ssize_t cpufv_disabled_store(struct device *dev, |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 407 | struct device_attribute *attr, |
| 408 | const char *buf, size_t count) |
| 409 | { |
| 410 | struct eeepc_laptop *eeepc = dev_get_drvdata(dev); |
| 411 | int rv, value; |
| 412 | |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 413 | rv = parse_arg(buf, &value); |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 414 | if (rv < 0) |
| 415 | return rv; |
| 416 | |
| 417 | switch (value) { |
| 418 | case 0: |
| 419 | if (eeepc->cpufv_disabled) |
Joe Perches | 22441ff | 2011-03-29 15:21:38 -0700 | [diff] [blame] | 420 | pr_warn("cpufv enabled (not officially supported " |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 421 | "on this model)\n"); |
| 422 | eeepc->cpufv_disabled = false; |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 423 | return count; |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 424 | case 1: |
| 425 | return -EPERM; |
| 426 | default: |
| 427 | return -EINVAL; |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | |
Frans Klaver | bb382db | 2014-09-17 23:47:21 +0200 | [diff] [blame] | 432 | static DEVICE_ATTR_RW(cpufv); |
| 433 | static DEVICE_ATTR_RO(available_cpufv); |
| 434 | static DEVICE_ATTR_RW(cpufv_disabled); |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 435 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 436 | static struct attribute *platform_attributes[] = { |
| 437 | &dev_attr_camera.attr, |
| 438 | &dev_attr_cardr.attr, |
| 439 | &dev_attr_disp.attr, |
Grigori Goronzy | 158ca1d | 2009-04-27 09:23:40 +0200 | [diff] [blame] | 440 | &dev_attr_cpufv.attr, |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 441 | &dev_attr_available_cpufv.attr, |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 442 | &dev_attr_cpufv_disabled.attr, |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 443 | NULL |
| 444 | }; |
| 445 | |
| 446 | static struct attribute_group platform_attribute_group = { |
| 447 | .attrs = platform_attributes |
| 448 | }; |
| 449 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 450 | static int eeepc_platform_init(struct eeepc_laptop *eeepc) |
Matthew Garrett | a195dcd | 2008-08-19 12:13:20 +0100 | [diff] [blame] | 451 | { |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 452 | int result; |
| 453 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 454 | eeepc->platform_device = platform_device_alloc(EEEPC_LAPTOP_FILE, -1); |
| 455 | if (!eeepc->platform_device) |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 456 | return -ENOMEM; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 457 | platform_set_drvdata(eeepc->platform_device, eeepc); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 458 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 459 | result = platform_device_add(eeepc->platform_device); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 460 | if (result) |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 461 | goto fail_platform_device; |
| 462 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 463 | result = sysfs_create_group(&eeepc->platform_device->dev.kobj, |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 464 | &platform_attribute_group); |
| 465 | if (result) |
| 466 | goto fail_sysfs; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 467 | return 0; |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 468 | |
| 469 | fail_sysfs: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 470 | platform_device_del(eeepc->platform_device); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 471 | fail_platform_device: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 472 | platform_device_put(eeepc->platform_device); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 473 | return result; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 474 | } |
| 475 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 476 | static void eeepc_platform_exit(struct eeepc_laptop *eeepc) |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 477 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 478 | sysfs_remove_group(&eeepc->platform_device->dev.kobj, |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 479 | &platform_attribute_group); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 480 | platform_device_unregister(eeepc->platform_device); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 481 | } |
| 482 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 483 | /* |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 484 | * LEDs |
| 485 | */ |
| 486 | /* |
| 487 | * These functions actually update the LED's, and are called from a |
| 488 | * workqueue. By doing this as separate work rather than when the LED |
| 489 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a |
| 490 | * potentially bad time, such as a timer interrupt. |
| 491 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 492 | static void tpd_led_update(struct work_struct *work) |
| 493 | { |
| 494 | struct eeepc_laptop *eeepc; |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 495 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 496 | eeepc = container_of(work, struct eeepc_laptop, tpd_led_work); |
| 497 | |
| 498 | set_acpi(eeepc, CM_ASL_TPD, eeepc->tpd_led_wk); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 499 | } |
| 500 | |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 501 | static void tpd_led_set(struct led_classdev *led_cdev, |
| 502 | enum led_brightness value) |
| 503 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 504 | struct eeepc_laptop *eeepc; |
| 505 | |
| 506 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); |
| 507 | |
| 508 | eeepc->tpd_led_wk = (value > 0) ? 1 : 0; |
| 509 | queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 510 | } |
| 511 | |
Corentin Chary | 62a75d8 | 2010-11-29 08:14:13 +0100 | [diff] [blame] | 512 | static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) |
| 513 | { |
| 514 | struct eeepc_laptop *eeepc; |
| 515 | |
| 516 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); |
| 517 | |
| 518 | return get_acpi(eeepc, CM_ASL_TPD); |
| 519 | } |
| 520 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 521 | static int eeepc_led_init(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 522 | { |
| 523 | int rv; |
| 524 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 525 | if (get_acpi(eeepc, CM_ASL_TPD) == -ENODEV) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 526 | return 0; |
| 527 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 528 | eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
| 529 | if (!eeepc->led_workqueue) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 530 | return -ENOMEM; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 531 | INIT_WORK(&eeepc->tpd_led_work, tpd_led_update); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 532 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 533 | eeepc->tpd_led.name = "eeepc::touchpad"; |
| 534 | eeepc->tpd_led.brightness_set = tpd_led_set; |
Corentin Chary | 62a75d8 | 2010-11-29 08:14:13 +0100 | [diff] [blame] | 535 | if (get_acpi(eeepc, CM_ASL_TPD) >= 0) /* if method is available */ |
Frans Klaver | 39a3e17 | 2014-09-17 23:47:19 +0200 | [diff] [blame] | 536 | eeepc->tpd_led.brightness_get = tpd_led_get; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 537 | eeepc->tpd_led.max_brightness = 1; |
| 538 | |
| 539 | rv = led_classdev_register(&eeepc->platform_device->dev, |
| 540 | &eeepc->tpd_led); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 541 | if (rv) { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 542 | destroy_workqueue(eeepc->led_workqueue); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 543 | return rv; |
Darren Salt | 64b86b6 | 2009-04-27 09:23:38 +0200 | [diff] [blame] | 544 | } |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 545 | |
| 546 | return 0; |
| 547 | } |
| 548 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 549 | static void eeepc_led_exit(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 550 | { |
Axel Lin | 5d6afd1 | 2011-08-08 17:14:19 +0800 | [diff] [blame] | 551 | if (!IS_ERR_OR_NULL(eeepc->tpd_led.dev)) |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 552 | led_classdev_unregister(&eeepc->tpd_led); |
| 553 | if (eeepc->led_workqueue) |
| 554 | destroy_workqueue(eeepc->led_workqueue); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 558 | /* |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 559 | * PCI hotplug (for wlan rfkill) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 560 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 561 | static bool eeepc_wlan_rfkill_blocked(struct eeepc_laptop *eeepc) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 562 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 563 | if (get_acpi(eeepc, CM_ASL_WLAN) == 1) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 564 | return false; |
| 565 | return true; |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 566 | } |
| 567 | |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 568 | static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 569 | { |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 570 | struct pci_dev *port; |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 571 | struct pci_dev *dev; |
Alan Jenkins | 6d41839 | 2009-08-28 12:56:32 +0000 | [diff] [blame] | 572 | struct pci_bus *bus; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 573 | bool blocked = eeepc_wlan_rfkill_blocked(eeepc); |
Alan Jenkins | bc9d24a | 2010-02-22 16:03:58 +0000 | [diff] [blame] | 574 | bool absent; |
| 575 | u32 l; |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 576 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 577 | if (eeepc->wlan_rfkill) |
| 578 | rfkill_set_sw_state(eeepc->wlan_rfkill, blocked); |
Alan Jenkins | 6d41839 | 2009-08-28 12:56:32 +0000 | [diff] [blame] | 579 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 580 | mutex_lock(&eeepc->hotplug_lock); |
Rafael J. Wysocki | 8b9ec1d | 2014-01-10 15:27:08 +0100 | [diff] [blame] | 581 | pci_lock_rescan_remove(); |
Alan Jenkins | dcf443b | 2009-08-28 12:56:33 +0000 | [diff] [blame] | 582 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 583 | if (eeepc->hotplug_slot) { |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 584 | port = acpi_get_pci_dev(handle); |
| 585 | if (!port) { |
| 586 | pr_warning("Unable to find port\n"); |
| 587 | goto out_unlock; |
| 588 | } |
| 589 | |
| 590 | bus = port->subordinate; |
| 591 | |
Alan Jenkins | 07e84aa | 2009-08-28 12:56:34 +0000 | [diff] [blame] | 592 | if (!bus) { |
Joe Perches | 22441ff | 2011-03-29 15:21:38 -0700 | [diff] [blame] | 593 | pr_warn("Unable to find PCI bus 1?\n"); |
Jiang Liu | f661848 | 2012-09-14 00:21:59 +0800 | [diff] [blame] | 594 | goto out_put_dev; |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 595 | } |
Alan Jenkins | 07e84aa | 2009-08-28 12:56:34 +0000 | [diff] [blame] | 596 | |
Alan Jenkins | bc9d24a | 2010-02-22 16:03:58 +0000 | [diff] [blame] | 597 | if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { |
| 598 | pr_err("Unable to read PCI config space?\n"); |
Jiang Liu | f661848 | 2012-09-14 00:21:59 +0800 | [diff] [blame] | 599 | goto out_put_dev; |
Alan Jenkins | bc9d24a | 2010-02-22 16:03:58 +0000 | [diff] [blame] | 600 | } |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 601 | |
Alan Jenkins | bc9d24a | 2010-02-22 16:03:58 +0000 | [diff] [blame] | 602 | absent = (l == 0xffffffff); |
| 603 | |
| 604 | if (blocked != absent) { |
Joe Perches | 22441ff | 2011-03-29 15:21:38 -0700 | [diff] [blame] | 605 | pr_warn("BIOS says wireless lan is %s, " |
| 606 | "but the pci device is %s\n", |
Alan Jenkins | bc9d24a | 2010-02-22 16:03:58 +0000 | [diff] [blame] | 607 | blocked ? "blocked" : "unblocked", |
| 608 | absent ? "absent" : "present"); |
Joe Perches | 22441ff | 2011-03-29 15:21:38 -0700 | [diff] [blame] | 609 | pr_warn("skipped wireless hotplug as probably " |
| 610 | "inappropriate for this model\n"); |
Jiang Liu | f661848 | 2012-09-14 00:21:59 +0800 | [diff] [blame] | 611 | goto out_put_dev; |
Alan Jenkins | bc9d24a | 2010-02-22 16:03:58 +0000 | [diff] [blame] | 612 | } |
| 613 | |
Alan Jenkins | 07e84aa | 2009-08-28 12:56:34 +0000 | [diff] [blame] | 614 | if (!blocked) { |
| 615 | dev = pci_get_slot(bus, 0); |
| 616 | if (dev) { |
| 617 | /* Device already present */ |
| 618 | pci_dev_put(dev); |
Jiang Liu | f661848 | 2012-09-14 00:21:59 +0800 | [diff] [blame] | 619 | goto out_put_dev; |
Alan Jenkins | 07e84aa | 2009-08-28 12:56:34 +0000 | [diff] [blame] | 620 | } |
| 621 | dev = pci_scan_single_device(bus, 0); |
| 622 | if (dev) { |
| 623 | pci_bus_assign_resources(bus); |
Yijing Wang | c893d13 | 2014-05-30 11:01:03 +0800 | [diff] [blame] | 624 | pci_bus_add_device(dev); |
Alan Jenkins | 07e84aa | 2009-08-28 12:56:34 +0000 | [diff] [blame] | 625 | } |
| 626 | } else { |
| 627 | dev = pci_get_slot(bus, 0); |
| 628 | if (dev) { |
Yinghai Lu | 210647a | 2012-02-25 13:54:20 -0800 | [diff] [blame] | 629 | pci_stop_and_remove_bus_device(dev); |
Alan Jenkins | 07e84aa | 2009-08-28 12:56:34 +0000 | [diff] [blame] | 630 | pci_dev_put(dev); |
| 631 | } |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 632 | } |
Jiang Liu | f661848 | 2012-09-14 00:21:59 +0800 | [diff] [blame] | 633 | out_put_dev: |
| 634 | pci_dev_put(port); |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 635 | } |
Alan Jenkins | dcf443b | 2009-08-28 12:56:33 +0000 | [diff] [blame] | 636 | |
| 637 | out_unlock: |
Rafael J. Wysocki | 8b9ec1d | 2014-01-10 15:27:08 +0100 | [diff] [blame] | 638 | pci_unlock_rescan_remove(); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 639 | mutex_unlock(&eeepc->hotplug_lock); |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 640 | } |
| 641 | |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 642 | static void eeepc_rfkill_hotplug_update(struct eeepc_laptop *eeepc, char *node) |
| 643 | { |
| 644 | acpi_status status = AE_OK; |
| 645 | acpi_handle handle; |
| 646 | |
| 647 | status = acpi_get_handle(NULL, node, &handle); |
| 648 | |
| 649 | if (ACPI_SUCCESS(status)) |
| 650 | eeepc_rfkill_hotplug(eeepc, handle); |
| 651 | } |
| 652 | |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 653 | static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) |
| 654 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 655 | struct eeepc_laptop *eeepc = data; |
| 656 | |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 657 | if (event != ACPI_NOTIFY_BUS_CHECK) |
| 658 | return; |
| 659 | |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 660 | eeepc_rfkill_hotplug(eeepc, handle); |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 661 | } |
| 662 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 663 | static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc, |
| 664 | char *node) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 665 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 666 | acpi_status status; |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 667 | acpi_handle handle; |
| 668 | |
| 669 | status = acpi_get_handle(NULL, node, &handle); |
| 670 | |
Frans Klaver | 557b454 | 2014-09-21 00:22:17 +0200 | [diff] [blame] | 671 | if (ACPI_FAILURE(status)) |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 672 | return -ENODEV; |
| 673 | |
Frans Klaver | 557b454 | 2014-09-21 00:22:17 +0200 | [diff] [blame] | 674 | status = acpi_install_notify_handler(handle, |
| 675 | ACPI_SYSTEM_NOTIFY, |
| 676 | eeepc_rfkill_notify, |
| 677 | eeepc); |
| 678 | if (ACPI_FAILURE(status)) |
| 679 | pr_warn("Failed to register notify on %s\n", node); |
| 680 | |
| 681 | /* |
| 682 | * Refresh pci hotplug in case the rfkill state was |
| 683 | * changed during setup. |
| 684 | */ |
| 685 | eeepc_rfkill_hotplug(eeepc, handle); |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 686 | return 0; |
| 687 | } |
| 688 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 689 | static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc, |
| 690 | char *node) |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 691 | { |
| 692 | acpi_status status = AE_OK; |
| 693 | acpi_handle handle; |
| 694 | |
| 695 | status = acpi_get_handle(NULL, node, &handle); |
| 696 | |
Frans Klaver | 557b454 | 2014-09-21 00:22:17 +0200 | [diff] [blame] | 697 | if (ACPI_FAILURE(status)) |
| 698 | return; |
| 699 | |
| 700 | status = acpi_remove_notify_handler(handle, |
| 701 | ACPI_SYSTEM_NOTIFY, |
| 702 | eeepc_rfkill_notify); |
| 703 | if (ACPI_FAILURE(status)) |
| 704 | pr_err("Error removing rfkill notify handler %s\n", |
| 705 | node); |
| 706 | /* |
| 707 | * Refresh pci hotplug in case the rfkill |
| 708 | * state was changed after |
| 709 | * eeepc_unregister_rfkill_notifier() |
| 710 | */ |
| 711 | eeepc_rfkill_hotplug(eeepc, handle); |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 712 | } |
| 713 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 714 | static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot, |
| 715 | u8 *value) |
| 716 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 717 | struct eeepc_laptop *eeepc = hotplug_slot->private; |
| 718 | int val = get_acpi(eeepc, CM_ASL_WLAN); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 719 | |
| 720 | if (val == 1 || val == 0) |
| 721 | *value = val; |
| 722 | else |
| 723 | return -EINVAL; |
| 724 | |
| 725 | return 0; |
| 726 | } |
| 727 | |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 728 | static void eeepc_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot) |
| 729 | { |
| 730 | kfree(hotplug_slot->info); |
| 731 | kfree(hotplug_slot); |
| 732 | } |
| 733 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 734 | static struct hotplug_slot_ops eeepc_hotplug_slot_ops = { |
| 735 | .owner = THIS_MODULE, |
| 736 | .get_adapter_status = eeepc_get_adapter_status, |
| 737 | .get_power_status = eeepc_get_adapter_status, |
| 738 | }; |
| 739 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 740 | static int eeepc_setup_pci_hotplug(struct eeepc_laptop *eeepc) |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 741 | { |
| 742 | int ret = -ENOMEM; |
| 743 | struct pci_bus *bus = pci_find_bus(0, 1); |
| 744 | |
| 745 | if (!bus) { |
Joe Perches | 19b5328 | 2009-06-25 13:25:37 +0200 | [diff] [blame] | 746 | pr_err("Unable to find wifi PCI bus\n"); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 747 | return -ENODEV; |
| 748 | } |
| 749 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 750 | eeepc->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL); |
| 751 | if (!eeepc->hotplug_slot) |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 752 | goto error_slot; |
| 753 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 754 | eeepc->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info), |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 755 | GFP_KERNEL); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 756 | if (!eeepc->hotplug_slot->info) |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 757 | goto error_info; |
| 758 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 759 | eeepc->hotplug_slot->private = eeepc; |
| 760 | eeepc->hotplug_slot->release = &eeepc_cleanup_pci_hotplug; |
| 761 | eeepc->hotplug_slot->ops = &eeepc_hotplug_slot_ops; |
| 762 | eeepc_get_adapter_status(eeepc->hotplug_slot, |
| 763 | &eeepc->hotplug_slot->info->adapter_status); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 764 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 765 | ret = pci_hp_register(eeepc->hotplug_slot, bus, 0, "eeepc-wifi"); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 766 | if (ret) { |
Joe Perches | 19b5328 | 2009-06-25 13:25:37 +0200 | [diff] [blame] | 767 | pr_err("Unable to register hotplug slot - %d\n", ret); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 768 | goto error_register; |
| 769 | } |
| 770 | |
| 771 | return 0; |
| 772 | |
| 773 | error_register: |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 774 | kfree(eeepc->hotplug_slot->info); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 775 | error_info: |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 776 | kfree(eeepc->hotplug_slot); |
| 777 | eeepc->hotplug_slot = NULL; |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 778 | error_slot: |
| 779 | return ret; |
| 780 | } |
| 781 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 782 | /* |
| 783 | * Rfkill devices |
| 784 | */ |
| 785 | static int eeepc_rfkill_set(void *data, bool blocked) |
| 786 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 787 | acpi_handle handle = data; |
| 788 | |
| 789 | return write_acpi_int(handle, NULL, !blocked); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 790 | } |
| 791 | |
| 792 | static const struct rfkill_ops eeepc_rfkill_ops = { |
| 793 | .set_block = eeepc_rfkill_set, |
| 794 | }; |
| 795 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 796 | static int eeepc_new_rfkill(struct eeepc_laptop *eeepc, |
| 797 | struct rfkill **rfkill, |
| 798 | const char *name, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 799 | enum rfkill_type type, int cm) |
| 800 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 801 | acpi_handle handle; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 802 | int result; |
| 803 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 804 | result = acpi_setter_handle(eeepc, cm, &handle); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 805 | if (result < 0) |
| 806 | return result; |
| 807 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 808 | *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type, |
| 809 | &eeepc_rfkill_ops, handle); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 810 | |
| 811 | if (!*rfkill) |
| 812 | return -EINVAL; |
| 813 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 814 | rfkill_init_sw_state(*rfkill, get_acpi(eeepc, cm) != 1); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 815 | result = rfkill_register(*rfkill); |
| 816 | if (result) { |
| 817 | rfkill_destroy(*rfkill); |
| 818 | *rfkill = NULL; |
| 819 | return result; |
| 820 | } |
| 821 | return 0; |
| 822 | } |
| 823 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 824 | static void eeepc_rfkill_exit(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 825 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 826 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); |
| 827 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); |
| 828 | eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 829 | if (eeepc->wlan_rfkill) { |
| 830 | rfkill_unregister(eeepc->wlan_rfkill); |
| 831 | rfkill_destroy(eeepc->wlan_rfkill); |
| 832 | eeepc->wlan_rfkill = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 833 | } |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 834 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 835 | if (eeepc->hotplug_slot) |
| 836 | pci_hp_deregister(eeepc->hotplug_slot); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 837 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 838 | if (eeepc->bluetooth_rfkill) { |
| 839 | rfkill_unregister(eeepc->bluetooth_rfkill); |
| 840 | rfkill_destroy(eeepc->bluetooth_rfkill); |
| 841 | eeepc->bluetooth_rfkill = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 842 | } |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 843 | if (eeepc->wwan3g_rfkill) { |
| 844 | rfkill_unregister(eeepc->wwan3g_rfkill); |
| 845 | rfkill_destroy(eeepc->wwan3g_rfkill); |
| 846 | eeepc->wwan3g_rfkill = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 847 | } |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 848 | if (eeepc->wimax_rfkill) { |
| 849 | rfkill_unregister(eeepc->wimax_rfkill); |
| 850 | rfkill_destroy(eeepc->wimax_rfkill); |
| 851 | eeepc->wimax_rfkill = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 852 | } |
| 853 | } |
| 854 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 855 | static int eeepc_rfkill_init(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 856 | { |
| 857 | int result = 0; |
| 858 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 859 | mutex_init(&eeepc->hotplug_lock); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 860 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 861 | result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill, |
| 862 | "eeepc-wlan", RFKILL_TYPE_WLAN, |
| 863 | CM_ASL_WLAN); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 864 | |
| 865 | if (result && result != -ENODEV) |
| 866 | goto exit; |
| 867 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 868 | result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill, |
| 869 | "eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH, |
| 870 | CM_ASL_BLUETOOTH); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 871 | |
| 872 | if (result && result != -ENODEV) |
| 873 | goto exit; |
| 874 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 875 | result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill, |
| 876 | "eeepc-wwan3g", RFKILL_TYPE_WWAN, |
| 877 | CM_ASL_3G); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 878 | |
| 879 | if (result && result != -ENODEV) |
| 880 | goto exit; |
| 881 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 882 | result = eeepc_new_rfkill(eeepc, &eeepc->wimax_rfkill, |
| 883 | "eeepc-wimax", RFKILL_TYPE_WIMAX, |
| 884 | CM_ASL_WIMAX); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 885 | |
| 886 | if (result && result != -ENODEV) |
| 887 | goto exit; |
| 888 | |
Corentin Chary | 10ae4b5 | 2010-01-06 22:07:38 +0100 | [diff] [blame] | 889 | if (eeepc->hotplug_disabled) |
| 890 | return 0; |
| 891 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 892 | result = eeepc_setup_pci_hotplug(eeepc); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 893 | /* |
| 894 | * If we get -EBUSY then something else is handling the PCI hotplug - |
| 895 | * don't fail in this case |
| 896 | */ |
| 897 | if (result == -EBUSY) |
| 898 | result = 0; |
| 899 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 900 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); |
| 901 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); |
| 902 | eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 903 | |
| 904 | exit: |
| 905 | if (result && result != -ENODEV) |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 906 | eeepc_rfkill_exit(eeepc); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 907 | return result; |
| 908 | } |
| 909 | |
| 910 | /* |
| 911 | * Platform driver - hibernate/resume callbacks |
| 912 | */ |
Alan Jenkins | c200da5 | 2009-08-28 12:56:40 +0000 | [diff] [blame] | 913 | static int eeepc_hotk_thaw(struct device *device) |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 914 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 915 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
| 916 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 917 | if (eeepc->wlan_rfkill) { |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 918 | bool wlan; |
| 919 | |
Alan Jenkins | c1edd99 | 2009-08-28 12:56:39 +0000 | [diff] [blame] | 920 | /* |
| 921 | * Work around bios bug - acpi _PTS turns off the wireless led |
| 922 | * during suspend. Normally it restores it on resume, but |
Alan Jenkins | c200da5 | 2009-08-28 12:56:40 +0000 | [diff] [blame] | 923 | * we should kick it ourselves in case hibernation is aborted. |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 924 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 925 | wlan = get_acpi(eeepc, CM_ASL_WLAN); |
| 926 | set_acpi(eeepc, CM_ASL_WLAN, wlan); |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 927 | } |
| 928 | |
Alan Jenkins | c200da5 | 2009-08-28 12:56:40 +0000 | [diff] [blame] | 929 | return 0; |
| 930 | } |
| 931 | |
| 932 | static int eeepc_hotk_restore(struct device *device) |
| 933 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 934 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
Alan Jenkins | c200da5 | 2009-08-28 12:56:40 +0000 | [diff] [blame] | 935 | |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 936 | /* Refresh both wlan rfkill state and pci hotplug */ |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 937 | if (eeepc->wlan_rfkill) { |
| 938 | eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P5"); |
| 939 | eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P6"); |
| 940 | eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P7"); |
| 941 | } |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 942 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 943 | if (eeepc->bluetooth_rfkill) |
| 944 | rfkill_set_sw_state(eeepc->bluetooth_rfkill, |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 945 | get_acpi(eeepc, CM_ASL_BLUETOOTH) != 1); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 946 | if (eeepc->wwan3g_rfkill) |
| 947 | rfkill_set_sw_state(eeepc->wwan3g_rfkill, |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 948 | get_acpi(eeepc, CM_ASL_3G) != 1); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 949 | if (eeepc->wimax_rfkill) |
| 950 | rfkill_set_sw_state(eeepc->wimax_rfkill, |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 951 | get_acpi(eeepc, CM_ASL_WIMAX) != 1); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 952 | |
| 953 | return 0; |
| 954 | } |
| 955 | |
Len Brown | 9a3bff2 | 2009-12-15 22:34:48 -0500 | [diff] [blame] | 956 | static const struct dev_pm_ops eeepc_pm_ops = { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 957 | .thaw = eeepc_hotk_thaw, |
| 958 | .restore = eeepc_hotk_restore, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 959 | }; |
| 960 | |
| 961 | static struct platform_driver platform_driver = { |
| 962 | .driver = { |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 963 | .name = EEEPC_LAPTOP_FILE, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 964 | .pm = &eeepc_pm_ops, |
| 965 | } |
| 966 | }; |
| 967 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 968 | /* |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 969 | * Hwmon device |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 970 | */ |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 971 | |
| 972 | #define EEEPC_EC_SC00 0x61 |
| 973 | #define EEEPC_EC_FAN_PWM (EEEPC_EC_SC00 + 2) /* Fan PWM duty cycle (%) */ |
| 974 | #define EEEPC_EC_FAN_HRPM (EEEPC_EC_SC00 + 5) /* High byte, fan speed (RPM) */ |
| 975 | #define EEEPC_EC_FAN_LRPM (EEEPC_EC_SC00 + 6) /* Low byte, fan speed (RPM) */ |
| 976 | |
| 977 | #define EEEPC_EC_SFB0 0xD0 |
| 978 | #define EEEPC_EC_FAN_CTRL (EEEPC_EC_SFB0 + 3) /* Byte containing SF25 */ |
| 979 | |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 980 | static int eeepc_get_fan_pwm(void) |
| 981 | { |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 982 | u8 value = 0; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 983 | |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 984 | ec_read(EEEPC_EC_FAN_PWM, &value); |
| 985 | return value * 255 / 100; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 986 | } |
| 987 | |
| 988 | static void eeepc_set_fan_pwm(int value) |
| 989 | { |
Guenter Roeck | c73bad7 | 2013-01-09 08:11:57 -0800 | [diff] [blame] | 990 | value = clamp_val(value, 0, 255); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 991 | value = value * 100 / 255; |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 992 | ec_write(EEEPC_EC_FAN_PWM, value); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 993 | } |
| 994 | |
| 995 | static int eeepc_get_fan_rpm(void) |
| 996 | { |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 997 | u8 high = 0; |
| 998 | u8 low = 0; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 999 | |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1000 | ec_read(EEEPC_EC_FAN_HRPM, &high); |
| 1001 | ec_read(EEEPC_EC_FAN_LRPM, &low); |
| 1002 | return high << 8 | low; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1003 | } |
| 1004 | |
| 1005 | static int eeepc_get_fan_ctrl(void) |
| 1006 | { |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1007 | u8 value = 0; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1008 | |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1009 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
Alan Jenkins | 4871868 | 2009-12-03 07:44:56 +0000 | [diff] [blame] | 1010 | if (value & 0x02) |
| 1011 | return 1; /* manual */ |
| 1012 | else |
| 1013 | return 2; /* automatic */ |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1014 | } |
| 1015 | |
| 1016 | static void eeepc_set_fan_ctrl(int manual) |
| 1017 | { |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1018 | u8 value = 0; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1019 | |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1020 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
Alan Jenkins | 4871868 | 2009-12-03 07:44:56 +0000 | [diff] [blame] | 1021 | if (manual == 1) |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1022 | value |= 0x02; |
| 1023 | else |
| 1024 | value &= ~0x02; |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1025 | ec_write(EEEPC_EC_FAN_CTRL, value); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1026 | } |
| 1027 | |
| 1028 | static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count) |
| 1029 | { |
| 1030 | int rv, value; |
| 1031 | |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 1032 | rv = parse_arg(buf, &value); |
| 1033 | if (rv < 0) |
| 1034 | return rv; |
| 1035 | set(value); |
| 1036 | return count; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1037 | } |
| 1038 | |
| 1039 | static ssize_t show_sys_hwmon(int (*get)(void), char *buf) |
| 1040 | { |
| 1041 | return sprintf(buf, "%d\n", get()); |
| 1042 | } |
| 1043 | |
Frans Klaver | 28ac85f | 2014-09-17 23:47:24 +0200 | [diff] [blame] | 1044 | #define EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1045 | static ssize_t _name##_show(struct device *dev, \ |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1046 | struct device_attribute *attr, \ |
| 1047 | char *buf) \ |
| 1048 | { \ |
Paul Bolle | 1ec9d39 | 2014-06-17 14:06:30 +0200 | [diff] [blame] | 1049 | return show_sys_hwmon(_get, buf); \ |
Frans Klaver | 28ac85f | 2014-09-17 23:47:24 +0200 | [diff] [blame] | 1050 | } |
| 1051 | |
| 1052 | #define EEEPC_SENSOR_STORE_FUNC(_name, _set) \ |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1053 | static ssize_t _name##_store(struct device *dev, \ |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1054 | struct device_attribute *attr, \ |
| 1055 | const char *buf, size_t count) \ |
| 1056 | { \ |
Paul Bolle | 1ec9d39 | 2014-06-17 14:06:30 +0200 | [diff] [blame] | 1057 | return store_sys_hwmon(_set, buf, count); \ |
Frans Klaver | 28ac85f | 2014-09-17 23:47:24 +0200 | [diff] [blame] | 1058 | } |
| 1059 | |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1060 | #define EEEPC_CREATE_SENSOR_ATTR_RW(_name, _get, _set) \ |
Frans Klaver | 28ac85f | 2014-09-17 23:47:24 +0200 | [diff] [blame] | 1061 | EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
| 1062 | EEEPC_SENSOR_STORE_FUNC(_name, _set) \ |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1063 | static DEVICE_ATTR_RW(_name) |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1064 | |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1065 | #define EEEPC_CREATE_SENSOR_ATTR_RO(_name, _get) \ |
| 1066 | EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
| 1067 | static DEVICE_ATTR_RO(_name) |
| 1068 | |
| 1069 | EEEPC_CREATE_SENSOR_ATTR_RO(fan1_input, eeepc_get_fan_rpm); |
| 1070 | EEEPC_CREATE_SENSOR_ATTR_RW(pwm1, eeepc_get_fan_pwm, |
| 1071 | eeepc_set_fan_pwm); |
| 1072 | EEEPC_CREATE_SENSOR_ATTR_RW(pwm1_enable, eeepc_get_fan_ctrl, |
| 1073 | eeepc_set_fan_ctrl); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1074 | |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1075 | static struct attribute *hwmon_attrs[] = { |
| 1076 | &dev_attr_pwm1.attr, |
| 1077 | &dev_attr_fan1_input.attr, |
| 1078 | &dev_attr_pwm1_enable.attr, |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1079 | NULL |
| 1080 | }; |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1081 | ATTRIBUTE_GROUPS(hwmon); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1082 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1083 | static int eeepc_hwmon_init(struct eeepc_laptop *eeepc) |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1084 | { |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1085 | struct device *dev = &eeepc->platform_device->dev; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1086 | struct device *hwmon; |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1087 | |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1088 | hwmon = devm_hwmon_device_register_with_groups(dev, "eeepc", NULL, |
| 1089 | hwmon_groups); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1090 | if (IS_ERR(hwmon)) { |
| 1091 | pr_err("Could not register eeepc hwmon device\n"); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1092 | return PTR_ERR(hwmon); |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1093 | } |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1094 | return 0; |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1095 | } |
| 1096 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1097 | /* |
| 1098 | * Backlight device |
| 1099 | */ |
| 1100 | static int read_brightness(struct backlight_device *bd) |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1101 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1102 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
| 1103 | |
| 1104 | return get_acpi(eeepc, CM_ASL_PANELBRIGHT); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1105 | } |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1106 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1107 | static int set_brightness(struct backlight_device *bd, int value) |
| 1108 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1109 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
| 1110 | |
| 1111 | return set_acpi(eeepc, CM_ASL_PANELBRIGHT, value); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1112 | } |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1113 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1114 | static int update_bl_status(struct backlight_device *bd) |
| 1115 | { |
| 1116 | return set_brightness(bd, bd->props.brightness); |
| 1117 | } |
Corentin Chary | a9df80c | 2009-01-20 16:17:40 +0100 | [diff] [blame] | 1118 | |
Lionel Debroux | acc2472 | 2010-11-16 14:14:02 +0100 | [diff] [blame] | 1119 | static const struct backlight_ops eeepcbl_ops = { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1120 | .get_brightness = read_brightness, |
| 1121 | .update_status = update_bl_status, |
| 1122 | }; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1123 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1124 | static int eeepc_backlight_notify(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1125 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1126 | struct backlight_device *bd = eeepc->backlight_device; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1127 | int old = bd->props.brightness; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1128 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1129 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1130 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1131 | return old; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1132 | } |
| 1133 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1134 | static int eeepc_backlight_init(struct eeepc_laptop *eeepc) |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1135 | { |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 1136 | struct backlight_properties props; |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1137 | struct backlight_device *bd; |
| 1138 | |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 1139 | memset(&props, 0, sizeof(struct backlight_properties)); |
Matthew Garrett | bb7ca74 | 2011-03-22 16:30:21 -0700 | [diff] [blame] | 1140 | props.type = BACKLIGHT_PLATFORM; |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 1141 | props.max_brightness = 15; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1142 | bd = backlight_device_register(EEEPC_LAPTOP_FILE, |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 1143 | &eeepc->platform_device->dev, eeepc, |
| 1144 | &eeepcbl_ops, &props); |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1145 | if (IS_ERR(bd)) { |
Joe Perches | 19b5328 | 2009-06-25 13:25:37 +0200 | [diff] [blame] | 1146 | pr_err("Could not register eeepc backlight device\n"); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1147 | eeepc->backlight_device = NULL; |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1148 | return PTR_ERR(bd); |
| 1149 | } |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1150 | eeepc->backlight_device = bd; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1151 | bd->props.brightness = read_brightness(bd); |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1152 | bd->props.power = FB_BLANK_UNBLANK; |
| 1153 | backlight_update_status(bd); |
| 1154 | return 0; |
| 1155 | } |
| 1156 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1157 | static void eeepc_backlight_exit(struct eeepc_laptop *eeepc) |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1158 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1159 | if (eeepc->backlight_device) |
| 1160 | backlight_device_unregister(eeepc->backlight_device); |
| 1161 | eeepc->backlight_device = NULL; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1162 | } |
| 1163 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1164 | |
| 1165 | /* |
| 1166 | * Input device (i.e. hotkeys) |
| 1167 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1168 | static int eeepc_input_init(struct eeepc_laptop *eeepc) |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1169 | { |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1170 | struct input_dev *input; |
| 1171 | int error; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1172 | |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1173 | input = input_allocate_device(); |
Joe Perches | b222cca | 2013-10-23 12:14:52 -0700 | [diff] [blame] | 1174 | if (!input) |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1175 | return -ENOMEM; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1176 | |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1177 | input->name = "Asus EeePC extra buttons"; |
| 1178 | input->phys = EEEPC_LAPTOP_FILE "/input0"; |
| 1179 | input->id.bustype = BUS_HOST; |
| 1180 | input->dev.parent = &eeepc->platform_device->dev; |
| 1181 | |
| 1182 | error = sparse_keymap_setup(input, eeepc_keymap, NULL); |
| 1183 | if (error) { |
| 1184 | pr_err("Unable to setup input device keymap\n"); |
| 1185 | goto err_free_dev; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1186 | } |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1187 | |
| 1188 | error = input_register_device(input); |
| 1189 | if (error) { |
| 1190 | pr_err("Unable to register input device\n"); |
| 1191 | goto err_free_keymap; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1192 | } |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1193 | |
| 1194 | eeepc->inputdev = input; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1195 | return 0; |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1196 | |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1197 | err_free_keymap: |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1198 | sparse_keymap_free(input); |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1199 | err_free_dev: |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1200 | input_free_device(input); |
| 1201 | return error; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1202 | } |
| 1203 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1204 | static void eeepc_input_exit(struct eeepc_laptop *eeepc) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1205 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1206 | if (eeepc->inputdev) { |
Corentin Chary | c9db3ef | 2010-04-10 11:02:51 +0200 | [diff] [blame] | 1207 | sparse_keymap_free(eeepc->inputdev); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1208 | input_unregister_device(eeepc->inputdev); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1209 | } |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1210 | eeepc->inputdev = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1211 | } |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1212 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1213 | /* |
| 1214 | * ACPI driver |
| 1215 | */ |
Corentin Chary | ce6c468 | 2011-12-15 08:27:32 +0100 | [diff] [blame] | 1216 | static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event) |
| 1217 | { |
| 1218 | if (!eeepc->inputdev) |
| 1219 | return ; |
| 1220 | if (!sparse_keymap_report_event(eeepc->inputdev, event, 1, true)) |
| 1221 | pr_info("Unknown key %x pressed\n", event); |
| 1222 | } |
| 1223 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1224 | static void eeepc_acpi_notify(struct acpi_device *device, u32 event) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1225 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1226 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1227 | u16 count; |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1228 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1229 | if (event > ACPI_MAX_SYS_NOTIFY) |
| 1230 | return; |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1231 | count = eeepc->event_count[event % 128]++; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1232 | acpi_bus_generate_netlink_event(device->pnp.device_class, |
| 1233 | dev_name(&device->dev), event, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1234 | count); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1235 | |
Alan Jenkins | 325fb8e | 2009-12-03 07:45:15 +0000 | [diff] [blame] | 1236 | /* Brightness events are special */ |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1237 | if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1238 | |
Alan Jenkins | 325fb8e | 2009-12-03 07:45:15 +0000 | [diff] [blame] | 1239 | /* Ignore them completely if the acpi video driver is used */ |
| 1240 | if (eeepc->backlight_device != NULL) { |
| 1241 | int old_brightness, new_brightness; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1242 | |
Alan Jenkins | 325fb8e | 2009-12-03 07:45:15 +0000 | [diff] [blame] | 1243 | /* Update the backlight device. */ |
| 1244 | old_brightness = eeepc_backlight_notify(eeepc); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1245 | |
Alan Jenkins | 325fb8e | 2009-12-03 07:45:15 +0000 | [diff] [blame] | 1246 | /* Convert event to keypress (obsolescent hack) */ |
| 1247 | new_brightness = event - NOTIFY_BRN_MIN; |
| 1248 | |
| 1249 | if (new_brightness < old_brightness) { |
| 1250 | event = NOTIFY_BRN_MIN; /* brightness down */ |
| 1251 | } else if (new_brightness > old_brightness) { |
| 1252 | event = NOTIFY_BRN_MAX; /* brightness up */ |
| 1253 | } else { |
| 1254 | /* |
| 1255 | * no change in brightness - already at min/max, |
| 1256 | * event will be desired value (or else ignored) |
| 1257 | */ |
| 1258 | } |
Corentin Chary | ce6c468 | 2011-12-15 08:27:32 +0100 | [diff] [blame] | 1259 | eeepc_input_notify(eeepc, event); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1260 | } |
Alan Jenkins | 325fb8e | 2009-12-03 07:45:15 +0000 | [diff] [blame] | 1261 | } else { |
| 1262 | /* Everything else is a bona-fide keypress event */ |
Corentin Chary | ce6c468 | 2011-12-15 08:27:32 +0100 | [diff] [blame] | 1263 | eeepc_input_notify(eeepc, event); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1264 | } |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1265 | } |
| 1266 | |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1267 | static void eeepc_dmi_check(struct eeepc_laptop *eeepc) |
| 1268 | { |
| 1269 | const char *model; |
| 1270 | |
Corentin Chary | 10ae4b5 | 2010-01-06 22:07:38 +0100 | [diff] [blame] | 1271 | model = dmi_get_system_info(DMI_PRODUCT_NAME); |
| 1272 | if (!model) |
| 1273 | return; |
| 1274 | |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1275 | /* |
| 1276 | * Blacklist for setting cpufv (cpu speed). |
| 1277 | * |
| 1278 | * EeePC 4G ("701") implements CFVS, but it is not supported |
| 1279 | * by the pre-installed OS, and the original option to change it |
| 1280 | * in the BIOS setup screen was removed in later versions. |
| 1281 | * |
| 1282 | * Judging by the lack of "Super Hybrid Engine" on Asus product pages, |
| 1283 | * this applies to all "701" models (4G/4G Surf/2G Surf). |
| 1284 | * |
| 1285 | * So Asus made a deliberate decision not to support it on this model. |
| 1286 | * We have several reports that using it can cause the system to hang |
| 1287 | * |
| 1288 | * The hang has also been reported on a "702" (Model name "8G"?). |
| 1289 | * |
| 1290 | * We avoid dmi_check_system() / dmi_match(), because they use |
| 1291 | * substring matching. We don't want to affect the "701SD" |
| 1292 | * and "701SDX" models, because they do support S.H.E. |
| 1293 | */ |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1294 | if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) { |
| 1295 | eeepc->cpufv_disabled = true; |
| 1296 | pr_info("model %s does not officially support setting cpu " |
| 1297 | "speed\n", model); |
| 1298 | pr_info("cpufv disabled to avoid instability\n"); |
| 1299 | } |
Corentin Chary | 10ae4b5 | 2010-01-06 22:07:38 +0100 | [diff] [blame] | 1300 | |
| 1301 | /* |
| 1302 | * Blacklist for wlan hotplug |
| 1303 | * |
| 1304 | * Eeepc 1005HA doesn't work like others models and don't need the |
| 1305 | * hotplug code. In fact, current hotplug code seems to unplug another |
| 1306 | * device... |
| 1307 | */ |
Alan Jenkins | ced69c5 | 2010-02-20 11:02:24 +0000 | [diff] [blame] | 1308 | if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0 || |
| 1309 | strcmp(model, "1005PE") == 0) { |
Corentin Chary | 10ae4b5 | 2010-01-06 22:07:38 +0100 | [diff] [blame] | 1310 | eeepc->hotplug_disabled = true; |
| 1311 | pr_info("wlan hotplug disabled\n"); |
| 1312 | } |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1313 | } |
| 1314 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1315 | static void cmsg_quirk(struct eeepc_laptop *eeepc, int cm, const char *name) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1316 | { |
| 1317 | int dummy; |
| 1318 | |
Lucas De Marchi | c844033 | 2011-03-17 17:18:22 -0300 | [diff] [blame] | 1319 | /* Some BIOSes do not report cm although it is available. |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1320 | Check if cm_getv[cm] works and, if yes, assume cm should be set. */ |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1321 | if (!(eeepc->cm_supported & (1 << cm)) |
| 1322 | && !read_acpi_int(eeepc->handle, cm_getv[cm], &dummy)) { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1323 | pr_info("%s (%x) not reported by BIOS," |
| 1324 | " enabling anyway\n", name, 1 << cm); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1325 | eeepc->cm_supported |= 1 << cm; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1326 | } |
| 1327 | } |
| 1328 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1329 | static void cmsg_quirks(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1330 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1331 | cmsg_quirk(eeepc, CM_ASL_LID, "LID"); |
| 1332 | cmsg_quirk(eeepc, CM_ASL_TYPE, "TYPE"); |
| 1333 | cmsg_quirk(eeepc, CM_ASL_PANELPOWER, "PANELPOWER"); |
| 1334 | cmsg_quirk(eeepc, CM_ASL_TPD, "TPD"); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1335 | } |
| 1336 | |
Greg Kroah-Hartman | b859f15 | 2012-12-21 13:18:33 -0800 | [diff] [blame] | 1337 | static int eeepc_acpi_init(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1338 | { |
| 1339 | unsigned int init_flags; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1340 | int result; |
| 1341 | |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1342 | result = acpi_bus_get_status(eeepc->device); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1343 | if (result) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1344 | return result; |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1345 | if (!eeepc->device->status.present) { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1346 | pr_err("Hotkey device not present, aborting\n"); |
| 1347 | return -ENODEV; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1348 | } |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1349 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1350 | init_flags = DISABLE_ASL_WLAN | DISABLE_ASL_DISPLAYSWITCH; |
| 1351 | pr_notice("Hotkey init flags 0x%x\n", init_flags); |
| 1352 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1353 | if (write_acpi_int(eeepc->handle, "INIT", init_flags)) { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1354 | pr_err("Hotkey initialization failed\n"); |
| 1355 | return -ENODEV; |
| 1356 | } |
| 1357 | |
| 1358 | /* get control methods supported */ |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1359 | if (read_acpi_int(eeepc->handle, "CMSG", &eeepc->cm_supported)) { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1360 | pr_err("Get control methods supported failed\n"); |
| 1361 | return -ENODEV; |
| 1362 | } |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1363 | cmsg_quirks(eeepc); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1364 | pr_info("Get control methods supported: 0x%x\n", eeepc->cm_supported); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1365 | |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1366 | return 0; |
| 1367 | } |
| 1368 | |
Greg Kroah-Hartman | b859f15 | 2012-12-21 13:18:33 -0800 | [diff] [blame] | 1369 | static void eeepc_enable_camera(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1370 | { |
| 1371 | /* |
| 1372 | * If the following call to set_acpi() fails, it's because there's no |
| 1373 | * camera so we can ignore the error. |
| 1374 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1375 | if (get_acpi(eeepc, CM_ASL_CAMERA) == 0) |
| 1376 | set_acpi(eeepc, CM_ASL_CAMERA, 1); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1377 | } |
| 1378 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1379 | static bool eeepc_device_present; |
| 1380 | |
Greg Kroah-Hartman | b859f15 | 2012-12-21 13:18:33 -0800 | [diff] [blame] | 1381 | static int eeepc_acpi_add(struct acpi_device *device) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1382 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1383 | struct eeepc_laptop *eeepc; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1384 | int result; |
| 1385 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1386 | pr_notice(EEEPC_LAPTOP_NAME "\n"); |
| 1387 | eeepc = kzalloc(sizeof(struct eeepc_laptop), GFP_KERNEL); |
| 1388 | if (!eeepc) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1389 | return -ENOMEM; |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1390 | eeepc->handle = device->handle; |
| 1391 | strcpy(acpi_device_name(device), EEEPC_ACPI_DEVICE_NAME); |
| 1392 | strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS); |
| 1393 | device->driver_data = eeepc; |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1394 | eeepc->device = device; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1395 | |
Corentin Chary | 322a135 | 2010-01-06 22:07:40 +0100 | [diff] [blame] | 1396 | eeepc->hotplug_disabled = hotplug_disabled; |
| 1397 | |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1398 | eeepc_dmi_check(eeepc); |
| 1399 | |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1400 | result = eeepc_acpi_init(eeepc); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1401 | if (result) |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 1402 | goto fail_platform; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1403 | eeepc_enable_camera(eeepc); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1404 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1405 | /* |
| 1406 | * Register the platform device first. It is used as a parent for the |
| 1407 | * sub-devices below. |
| 1408 | * |
| 1409 | * Note that if there are multiple instances of this ACPI device it |
| 1410 | * will bail out, because the platform device is registered with a |
| 1411 | * fixed name. Of course it doesn't make sense to have more than one, |
| 1412 | * and machine-specific scripts find the fixed name convenient. But |
| 1413 | * It's also good for us to exclude multiple instances because both |
| 1414 | * our hwmon and our wlan rfkill subdevice use global ACPI objects |
| 1415 | * (the EC and the wlan PCI slot respectively). |
| 1416 | */ |
| 1417 | result = eeepc_platform_init(eeepc); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1418 | if (result) |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 1419 | goto fail_platform; |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1420 | |
| 1421 | if (!acpi_video_backlight_support()) { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1422 | result = eeepc_backlight_init(eeepc); |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1423 | if (result) |
| 1424 | goto fail_backlight; |
Frans Klaver | 39a3e17 | 2014-09-17 23:47:19 +0200 | [diff] [blame] | 1425 | } else { |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 1426 | pr_info("Backlight controlled by ACPI video driver\n"); |
Frans Klaver | 39a3e17 | 2014-09-17 23:47:19 +0200 | [diff] [blame] | 1427 | } |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1428 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1429 | result = eeepc_input_init(eeepc); |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1430 | if (result) |
| 1431 | goto fail_input; |
| 1432 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1433 | result = eeepc_hwmon_init(eeepc); |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1434 | if (result) |
| 1435 | goto fail_hwmon; |
| 1436 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1437 | result = eeepc_led_init(eeepc); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1438 | if (result) |
| 1439 | goto fail_led; |
| 1440 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1441 | result = eeepc_rfkill_init(eeepc); |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1442 | if (result) |
| 1443 | goto fail_rfkill; |
| 1444 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1445 | eeepc_device_present = true; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1446 | return 0; |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1447 | |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1448 | fail_rfkill: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1449 | eeepc_led_exit(eeepc); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1450 | fail_led: |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1451 | fail_hwmon: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1452 | eeepc_input_exit(eeepc); |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1453 | fail_input: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1454 | eeepc_backlight_exit(eeepc); |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1455 | fail_backlight: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1456 | eeepc_platform_exit(eeepc); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 1457 | fail_platform: |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1458 | kfree(eeepc); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1459 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1460 | return result; |
| 1461 | } |
| 1462 | |
Rafael J. Wysocki | 51fac83 | 2013-01-24 00:24:48 +0100 | [diff] [blame] | 1463 | static int eeepc_acpi_remove(struct acpi_device *device) |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1464 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1465 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1466 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1467 | eeepc_backlight_exit(eeepc); |
| 1468 | eeepc_rfkill_exit(eeepc); |
| 1469 | eeepc_input_exit(eeepc); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1470 | eeepc_led_exit(eeepc); |
| 1471 | eeepc_platform_exit(eeepc); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1472 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1473 | kfree(eeepc); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1474 | return 0; |
| 1475 | } |
| 1476 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1477 | |
| 1478 | static const struct acpi_device_id eeepc_device_ids[] = { |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1479 | {EEEPC_ACPI_HID, 0}, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1480 | {"", 0}, |
| 1481 | }; |
| 1482 | MODULE_DEVICE_TABLE(acpi, eeepc_device_ids); |
| 1483 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1484 | static struct acpi_driver eeepc_acpi_driver = { |
| 1485 | .name = EEEPC_LAPTOP_NAME, |
| 1486 | .class = EEEPC_ACPI_CLASS, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1487 | .owner = THIS_MODULE, |
| 1488 | .ids = eeepc_device_ids, |
| 1489 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, |
| 1490 | .ops = { |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1491 | .add = eeepc_acpi_add, |
| 1492 | .remove = eeepc_acpi_remove, |
| 1493 | .notify = eeepc_acpi_notify, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1494 | }, |
| 1495 | }; |
| 1496 | |
| 1497 | |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1498 | static int __init eeepc_laptop_init(void) |
| 1499 | { |
| 1500 | int result; |
| 1501 | |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1502 | result = platform_driver_register(&platform_driver); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1503 | if (result < 0) |
| 1504 | return result; |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1505 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1506 | result = acpi_bus_register_driver(&eeepc_acpi_driver); |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1507 | if (result < 0) |
| 1508 | goto fail_acpi_driver; |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1509 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1510 | if (!eeepc_device_present) { |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1511 | result = -ENODEV; |
| 1512 | goto fail_no_device; |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1513 | } |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1514 | |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1515 | return 0; |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1516 | |
| 1517 | fail_no_device: |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1518 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1519 | fail_acpi_driver: |
| 1520 | platform_driver_unregister(&platform_driver); |
| 1521 | return result; |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1522 | } |
| 1523 | |
| 1524 | static void __exit eeepc_laptop_exit(void) |
| 1525 | { |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1526 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1527 | platform_driver_unregister(&platform_driver); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1528 | } |
| 1529 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1530 | module_init(eeepc_laptop_init); |
| 1531 | module_exit(eeepc_laptop_exit); |