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) |
Frans Klaver | 9f662b2 | 2014-10-22 21:12:37 +0200 | [diff] [blame] | 420 | pr_warn("cpufv enabled (not officially supported on this model)\n"); |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 421 | eeepc->cpufv_disabled = false; |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 422 | return count; |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 423 | case 1: |
| 424 | return -EPERM; |
| 425 | default: |
| 426 | return -EINVAL; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | |
Frans Klaver | bb382db | 2014-09-17 23:47:21 +0200 | [diff] [blame] | 431 | static DEVICE_ATTR_RW(cpufv); |
| 432 | static DEVICE_ATTR_RO(available_cpufv); |
| 433 | static DEVICE_ATTR_RW(cpufv_disabled); |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 434 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 435 | static struct attribute *platform_attributes[] = { |
| 436 | &dev_attr_camera.attr, |
| 437 | &dev_attr_cardr.attr, |
| 438 | &dev_attr_disp.attr, |
Grigori Goronzy | 158ca1d | 2009-04-27 09:23:40 +0200 | [diff] [blame] | 439 | &dev_attr_cpufv.attr, |
Corentin Chary | b31d0fd | 2009-06-16 19:28:56 +0000 | [diff] [blame] | 440 | &dev_attr_available_cpufv.attr, |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 441 | &dev_attr_cpufv_disabled.attr, |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 442 | NULL |
| 443 | }; |
| 444 | |
| 445 | static struct attribute_group platform_attribute_group = { |
| 446 | .attrs = platform_attributes |
| 447 | }; |
| 448 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 449 | static int eeepc_platform_init(struct eeepc_laptop *eeepc) |
Matthew Garrett | a195dcd | 2008-08-19 12:13:20 +0100 | [diff] [blame] | 450 | { |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 451 | int result; |
| 452 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 453 | eeepc->platform_device = platform_device_alloc(EEEPC_LAPTOP_FILE, -1); |
| 454 | if (!eeepc->platform_device) |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 455 | return -ENOMEM; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 456 | platform_set_drvdata(eeepc->platform_device, eeepc); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 457 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 458 | result = platform_device_add(eeepc->platform_device); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 459 | if (result) |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 460 | goto fail_platform_device; |
| 461 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 462 | result = sysfs_create_group(&eeepc->platform_device->dev.kobj, |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 463 | &platform_attribute_group); |
| 464 | if (result) |
| 465 | goto fail_sysfs; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 466 | return 0; |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 467 | |
| 468 | fail_sysfs: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 469 | platform_device_del(eeepc->platform_device); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 470 | fail_platform_device: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 471 | platform_device_put(eeepc->platform_device); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 472 | return result; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 473 | } |
| 474 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 475 | static void eeepc_platform_exit(struct eeepc_laptop *eeepc) |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 476 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 477 | sysfs_remove_group(&eeepc->platform_device->dev.kobj, |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 478 | &platform_attribute_group); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 479 | platform_device_unregister(eeepc->platform_device); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 480 | } |
| 481 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 482 | /* |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 483 | * LEDs |
| 484 | */ |
| 485 | /* |
| 486 | * These functions actually update the LED's, and are called from a |
| 487 | * workqueue. By doing this as separate work rather than when the LED |
| 488 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a |
| 489 | * potentially bad time, such as a timer interrupt. |
| 490 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 491 | static void tpd_led_update(struct work_struct *work) |
| 492 | { |
| 493 | struct eeepc_laptop *eeepc; |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 494 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 495 | eeepc = container_of(work, struct eeepc_laptop, tpd_led_work); |
| 496 | |
| 497 | set_acpi(eeepc, CM_ASL_TPD, eeepc->tpd_led_wk); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 498 | } |
| 499 | |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 500 | static void tpd_led_set(struct led_classdev *led_cdev, |
| 501 | enum led_brightness value) |
| 502 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 503 | struct eeepc_laptop *eeepc; |
| 504 | |
| 505 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); |
| 506 | |
| 507 | eeepc->tpd_led_wk = (value > 0) ? 1 : 0; |
| 508 | queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 509 | } |
| 510 | |
Corentin Chary | 62a75d83 | 2010-11-29 08:14:13 +0100 | [diff] [blame] | 511 | static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) |
| 512 | { |
| 513 | struct eeepc_laptop *eeepc; |
| 514 | |
| 515 | eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led); |
| 516 | |
| 517 | return get_acpi(eeepc, CM_ASL_TPD); |
| 518 | } |
| 519 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 520 | static int eeepc_led_init(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 521 | { |
| 522 | int rv; |
| 523 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 524 | if (get_acpi(eeepc, CM_ASL_TPD) == -ENODEV) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 525 | return 0; |
| 526 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 527 | eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
| 528 | if (!eeepc->led_workqueue) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 529 | return -ENOMEM; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 530 | INIT_WORK(&eeepc->tpd_led_work, tpd_led_update); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 531 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 532 | eeepc->tpd_led.name = "eeepc::touchpad"; |
| 533 | eeepc->tpd_led.brightness_set = tpd_led_set; |
Corentin Chary | 62a75d83 | 2010-11-29 08:14:13 +0100 | [diff] [blame] | 534 | if (get_acpi(eeepc, CM_ASL_TPD) >= 0) /* if method is available */ |
Frans Klaver | 39a3e17 | 2014-09-17 23:47:19 +0200 | [diff] [blame] | 535 | eeepc->tpd_led.brightness_get = tpd_led_get; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 536 | eeepc->tpd_led.max_brightness = 1; |
| 537 | |
| 538 | rv = led_classdev_register(&eeepc->platform_device->dev, |
| 539 | &eeepc->tpd_led); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 540 | if (rv) { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 541 | destroy_workqueue(eeepc->led_workqueue); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 542 | return rv; |
Darren Salt | 64b86b6 | 2009-04-27 09:23:38 +0200 | [diff] [blame] | 543 | } |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 544 | |
| 545 | return 0; |
| 546 | } |
| 547 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 548 | static void eeepc_led_exit(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 549 | { |
Axel Lin | 5d6afd15 | 2011-08-08 17:14:19 +0800 | [diff] [blame] | 550 | if (!IS_ERR_OR_NULL(eeepc->tpd_led.dev)) |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 551 | led_classdev_unregister(&eeepc->tpd_led); |
| 552 | if (eeepc->led_workqueue) |
| 553 | destroy_workqueue(eeepc->led_workqueue); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 554 | } |
| 555 | |
| 556 | |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 557 | /* |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 558 | * PCI hotplug (for wlan rfkill) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 559 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 560 | static bool eeepc_wlan_rfkill_blocked(struct eeepc_laptop *eeepc) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 561 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 562 | if (get_acpi(eeepc, CM_ASL_WLAN) == 1) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 563 | return false; |
| 564 | return true; |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 565 | } |
| 566 | |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 567 | static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 568 | { |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 569 | struct pci_dev *port; |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 570 | struct pci_dev *dev; |
Alan Jenkins | 6d41839 | 2009-08-28 12:56:32 +0000 | [diff] [blame] | 571 | struct pci_bus *bus; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 572 | bool blocked = eeepc_wlan_rfkill_blocked(eeepc); |
Alan Jenkins | bc9d24a | 2010-02-22 16:03:58 +0000 | [diff] [blame] | 573 | bool absent; |
| 574 | u32 l; |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 575 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 576 | if (eeepc->wlan_rfkill) |
| 577 | rfkill_set_sw_state(eeepc->wlan_rfkill, blocked); |
Alan Jenkins | 6d41839 | 2009-08-28 12:56:32 +0000 | [diff] [blame] | 578 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 579 | mutex_lock(&eeepc->hotplug_lock); |
Rafael J. Wysocki | 8b9ec1d | 2014-01-10 15:27:08 +0100 | [diff] [blame] | 580 | pci_lock_rescan_remove(); |
Alan Jenkins | dcf443b | 2009-08-28 12:56:33 +0000 | [diff] [blame] | 581 | |
Frans Klaver | 248d490 | 2014-10-22 21:12:36 +0200 | [diff] [blame] | 582 | if (!eeepc->hotplug_slot) |
| 583 | goto out_unlock; |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 584 | |
Frans Klaver | 248d490 | 2014-10-22 21:12:36 +0200 | [diff] [blame] | 585 | port = acpi_get_pci_dev(handle); |
| 586 | if (!port) { |
| 587 | pr_warning("Unable to find port\n"); |
| 588 | goto out_unlock; |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 589 | } |
Alan Jenkins | dcf443b | 2009-08-28 12:56:33 +0000 | [diff] [blame] | 590 | |
Frans Klaver | 248d490 | 2014-10-22 21:12:36 +0200 | [diff] [blame] | 591 | bus = port->subordinate; |
| 592 | |
| 593 | if (!bus) { |
| 594 | pr_warn("Unable to find PCI bus 1?\n"); |
| 595 | goto out_put_dev; |
| 596 | } |
| 597 | |
| 598 | if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { |
| 599 | pr_err("Unable to read PCI config space?\n"); |
| 600 | goto out_put_dev; |
| 601 | } |
| 602 | |
| 603 | absent = (l == 0xffffffff); |
| 604 | |
| 605 | if (blocked != absent) { |
Frans Klaver | 9f662b2 | 2014-10-22 21:12:37 +0200 | [diff] [blame] | 606 | pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n", |
Frans Klaver | 248d490 | 2014-10-22 21:12:36 +0200 | [diff] [blame] | 607 | blocked ? "blocked" : "unblocked", |
| 608 | absent ? "absent" : "present"); |
Frans Klaver | 9f662b2 | 2014-10-22 21:12:37 +0200 | [diff] [blame] | 609 | pr_warn("skipped wireless hotplug as probably inappropriate for this model\n"); |
Frans Klaver | 248d490 | 2014-10-22 21:12:36 +0200 | [diff] [blame] | 610 | goto out_put_dev; |
| 611 | } |
| 612 | |
| 613 | if (!blocked) { |
| 614 | dev = pci_get_slot(bus, 0); |
| 615 | if (dev) { |
| 616 | /* Device already present */ |
| 617 | pci_dev_put(dev); |
| 618 | goto out_put_dev; |
| 619 | } |
| 620 | dev = pci_scan_single_device(bus, 0); |
| 621 | if (dev) { |
| 622 | pci_bus_assign_resources(bus); |
| 623 | pci_bus_add_device(dev); |
| 624 | } |
| 625 | } else { |
| 626 | dev = pci_get_slot(bus, 0); |
| 627 | if (dev) { |
| 628 | pci_stop_and_remove_bus_device(dev); |
| 629 | pci_dev_put(dev); |
| 630 | } |
| 631 | } |
| 632 | out_put_dev: |
| 633 | pci_dev_put(port); |
| 634 | |
Alan Jenkins | dcf443b | 2009-08-28 12:56:33 +0000 | [diff] [blame] | 635 | out_unlock: |
Rafael J. Wysocki | 8b9ec1d | 2014-01-10 15:27:08 +0100 | [diff] [blame] | 636 | pci_unlock_rescan_remove(); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 637 | mutex_unlock(&eeepc->hotplug_lock); |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 638 | } |
| 639 | |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 640 | static void eeepc_rfkill_hotplug_update(struct eeepc_laptop *eeepc, char *node) |
| 641 | { |
| 642 | acpi_status status = AE_OK; |
| 643 | acpi_handle handle; |
| 644 | |
| 645 | status = acpi_get_handle(NULL, node, &handle); |
| 646 | |
| 647 | if (ACPI_SUCCESS(status)) |
| 648 | eeepc_rfkill_hotplug(eeepc, handle); |
| 649 | } |
| 650 | |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 651 | static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) |
| 652 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 653 | struct eeepc_laptop *eeepc = data; |
| 654 | |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 655 | if (event != ACPI_NOTIFY_BUS_CHECK) |
| 656 | return; |
| 657 | |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 658 | eeepc_rfkill_hotplug(eeepc, handle); |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 659 | } |
| 660 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 661 | static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc, |
| 662 | char *node) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 663 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 664 | acpi_status status; |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 665 | acpi_handle handle; |
| 666 | |
| 667 | status = acpi_get_handle(NULL, node, &handle); |
| 668 | |
Frans Klaver | 557b454 | 2014-09-21 00:22:17 +0200 | [diff] [blame] | 669 | if (ACPI_FAILURE(status)) |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 670 | return -ENODEV; |
| 671 | |
Frans Klaver | 557b454 | 2014-09-21 00:22:17 +0200 | [diff] [blame] | 672 | status = acpi_install_notify_handler(handle, |
| 673 | ACPI_SYSTEM_NOTIFY, |
| 674 | eeepc_rfkill_notify, |
| 675 | eeepc); |
| 676 | if (ACPI_FAILURE(status)) |
| 677 | pr_warn("Failed to register notify on %s\n", node); |
| 678 | |
| 679 | /* |
| 680 | * Refresh pci hotplug in case the rfkill state was |
| 681 | * changed during setup. |
| 682 | */ |
| 683 | eeepc_rfkill_hotplug(eeepc, handle); |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 684 | return 0; |
| 685 | } |
| 686 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 687 | static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc, |
| 688 | char *node) |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 689 | { |
| 690 | acpi_status status = AE_OK; |
| 691 | acpi_handle handle; |
| 692 | |
| 693 | status = acpi_get_handle(NULL, node, &handle); |
| 694 | |
Frans Klaver | 557b454 | 2014-09-21 00:22:17 +0200 | [diff] [blame] | 695 | if (ACPI_FAILURE(status)) |
| 696 | return; |
| 697 | |
| 698 | status = acpi_remove_notify_handler(handle, |
| 699 | ACPI_SYSTEM_NOTIFY, |
| 700 | eeepc_rfkill_notify); |
| 701 | if (ACPI_FAILURE(status)) |
| 702 | pr_err("Error removing rfkill notify handler %s\n", |
| 703 | node); |
| 704 | /* |
| 705 | * Refresh pci hotplug in case the rfkill |
| 706 | * state was changed after |
| 707 | * eeepc_unregister_rfkill_notifier() |
| 708 | */ |
| 709 | eeepc_rfkill_hotplug(eeepc, handle); |
Matthew Garrett | 5740294 | 2009-01-20 16:17:48 +0100 | [diff] [blame] | 710 | } |
| 711 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 712 | static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot, |
| 713 | u8 *value) |
| 714 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 715 | struct eeepc_laptop *eeepc = hotplug_slot->private; |
| 716 | int val = get_acpi(eeepc, CM_ASL_WLAN); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 717 | |
| 718 | if (val == 1 || val == 0) |
| 719 | *value = val; |
| 720 | else |
| 721 | return -EINVAL; |
| 722 | |
| 723 | return 0; |
| 724 | } |
| 725 | |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 726 | static void eeepc_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot) |
| 727 | { |
| 728 | kfree(hotplug_slot->info); |
| 729 | kfree(hotplug_slot); |
| 730 | } |
| 731 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 732 | static struct hotplug_slot_ops eeepc_hotplug_slot_ops = { |
| 733 | .owner = THIS_MODULE, |
| 734 | .get_adapter_status = eeepc_get_adapter_status, |
| 735 | .get_power_status = eeepc_get_adapter_status, |
| 736 | }; |
| 737 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 738 | static int eeepc_setup_pci_hotplug(struct eeepc_laptop *eeepc) |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 739 | { |
| 740 | int ret = -ENOMEM; |
| 741 | struct pci_bus *bus = pci_find_bus(0, 1); |
| 742 | |
| 743 | if (!bus) { |
Joe Perches | 19b5328 | 2009-06-25 13:25:37 +0200 | [diff] [blame] | 744 | pr_err("Unable to find wifi PCI bus\n"); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 745 | return -ENODEV; |
| 746 | } |
| 747 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 748 | eeepc->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL); |
| 749 | if (!eeepc->hotplug_slot) |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 750 | goto error_slot; |
| 751 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 752 | eeepc->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info), |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 753 | GFP_KERNEL); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 754 | if (!eeepc->hotplug_slot->info) |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 755 | goto error_info; |
| 756 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 757 | eeepc->hotplug_slot->private = eeepc; |
| 758 | eeepc->hotplug_slot->release = &eeepc_cleanup_pci_hotplug; |
| 759 | eeepc->hotplug_slot->ops = &eeepc_hotplug_slot_ops; |
| 760 | eeepc_get_adapter_status(eeepc->hotplug_slot, |
| 761 | &eeepc->hotplug_slot->info->adapter_status); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 762 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 763 | ret = pci_hp_register(eeepc->hotplug_slot, bus, 0, "eeepc-wifi"); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 764 | if (ret) { |
Joe Perches | 19b5328 | 2009-06-25 13:25:37 +0200 | [diff] [blame] | 765 | pr_err("Unable to register hotplug slot - %d\n", ret); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 766 | goto error_register; |
| 767 | } |
| 768 | |
| 769 | return 0; |
| 770 | |
| 771 | error_register: |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 772 | kfree(eeepc->hotplug_slot->info); |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 773 | error_info: |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 774 | kfree(eeepc->hotplug_slot); |
| 775 | eeepc->hotplug_slot = NULL; |
Corentin Chary | 2b121bc | 2009-06-25 13:25:36 +0200 | [diff] [blame] | 776 | error_slot: |
| 777 | return ret; |
| 778 | } |
| 779 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 780 | /* |
| 781 | * Rfkill devices |
| 782 | */ |
| 783 | static int eeepc_rfkill_set(void *data, bool blocked) |
| 784 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 785 | acpi_handle handle = data; |
| 786 | |
| 787 | return write_acpi_int(handle, NULL, !blocked); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 788 | } |
| 789 | |
| 790 | static const struct rfkill_ops eeepc_rfkill_ops = { |
| 791 | .set_block = eeepc_rfkill_set, |
| 792 | }; |
| 793 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 794 | static int eeepc_new_rfkill(struct eeepc_laptop *eeepc, |
| 795 | struct rfkill **rfkill, |
| 796 | const char *name, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 797 | enum rfkill_type type, int cm) |
| 798 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 799 | acpi_handle handle; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 800 | int result; |
| 801 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 802 | result = acpi_setter_handle(eeepc, cm, &handle); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 803 | if (result < 0) |
| 804 | return result; |
| 805 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 806 | *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type, |
| 807 | &eeepc_rfkill_ops, handle); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 808 | |
| 809 | if (!*rfkill) |
| 810 | return -EINVAL; |
| 811 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 812 | rfkill_init_sw_state(*rfkill, get_acpi(eeepc, cm) != 1); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 813 | result = rfkill_register(*rfkill); |
| 814 | if (result) { |
| 815 | rfkill_destroy(*rfkill); |
| 816 | *rfkill = NULL; |
| 817 | return result; |
| 818 | } |
| 819 | return 0; |
| 820 | } |
| 821 | |
Frans Klaver | 792bd2a | 2014-10-22 21:12:38 +0200 | [diff] [blame] | 822 | static char EEEPC_RFKILL_NODE_1[] = "\\_SB.PCI0.P0P5"; |
| 823 | static char EEEPC_RFKILL_NODE_2[] = "\\_SB.PCI0.P0P6"; |
| 824 | static char EEEPC_RFKILL_NODE_3[] = "\\_SB.PCI0.P0P7"; |
| 825 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 826 | static void eeepc_rfkill_exit(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 827 | { |
Frans Klaver | 792bd2a | 2014-10-22 21:12:38 +0200 | [diff] [blame] | 828 | eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_1); |
| 829 | eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_2); |
| 830 | eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_3); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 831 | if (eeepc->wlan_rfkill) { |
| 832 | rfkill_unregister(eeepc->wlan_rfkill); |
| 833 | rfkill_destroy(eeepc->wlan_rfkill); |
| 834 | eeepc->wlan_rfkill = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 835 | } |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 836 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 837 | if (eeepc->hotplug_slot) |
| 838 | pci_hp_deregister(eeepc->hotplug_slot); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 839 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 840 | if (eeepc->bluetooth_rfkill) { |
| 841 | rfkill_unregister(eeepc->bluetooth_rfkill); |
| 842 | rfkill_destroy(eeepc->bluetooth_rfkill); |
| 843 | eeepc->bluetooth_rfkill = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 844 | } |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 845 | if (eeepc->wwan3g_rfkill) { |
| 846 | rfkill_unregister(eeepc->wwan3g_rfkill); |
| 847 | rfkill_destroy(eeepc->wwan3g_rfkill); |
| 848 | eeepc->wwan3g_rfkill = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 849 | } |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 850 | if (eeepc->wimax_rfkill) { |
| 851 | rfkill_unregister(eeepc->wimax_rfkill); |
| 852 | rfkill_destroy(eeepc->wimax_rfkill); |
| 853 | eeepc->wimax_rfkill = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 854 | } |
| 855 | } |
| 856 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 857 | static int eeepc_rfkill_init(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 858 | { |
| 859 | int result = 0; |
| 860 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 861 | mutex_init(&eeepc->hotplug_lock); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 862 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 863 | result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill, |
| 864 | "eeepc-wlan", RFKILL_TYPE_WLAN, |
| 865 | CM_ASL_WLAN); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 866 | |
| 867 | if (result && result != -ENODEV) |
| 868 | goto exit; |
| 869 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 870 | result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill, |
| 871 | "eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH, |
| 872 | CM_ASL_BLUETOOTH); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 873 | |
| 874 | if (result && result != -ENODEV) |
| 875 | goto exit; |
| 876 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 877 | result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill, |
| 878 | "eeepc-wwan3g", RFKILL_TYPE_WWAN, |
| 879 | CM_ASL_3G); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 880 | |
| 881 | if (result && result != -ENODEV) |
| 882 | goto exit; |
| 883 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 884 | result = eeepc_new_rfkill(eeepc, &eeepc->wimax_rfkill, |
| 885 | "eeepc-wimax", RFKILL_TYPE_WIMAX, |
| 886 | CM_ASL_WIMAX); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 887 | |
| 888 | if (result && result != -ENODEV) |
| 889 | goto exit; |
| 890 | |
Corentin Chary | 10ae4b5 | 2010-01-06 22:07:38 +0100 | [diff] [blame] | 891 | if (eeepc->hotplug_disabled) |
| 892 | return 0; |
| 893 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 894 | result = eeepc_setup_pci_hotplug(eeepc); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 895 | /* |
| 896 | * If we get -EBUSY then something else is handling the PCI hotplug - |
| 897 | * don't fail in this case |
| 898 | */ |
| 899 | if (result == -EBUSY) |
| 900 | result = 0; |
| 901 | |
Frans Klaver | 792bd2a | 2014-10-22 21:12:38 +0200 | [diff] [blame] | 902 | eeepc_register_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_1); |
| 903 | eeepc_register_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_2); |
| 904 | eeepc_register_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_3); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 905 | |
| 906 | exit: |
| 907 | if (result && result != -ENODEV) |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 908 | eeepc_rfkill_exit(eeepc); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 909 | return result; |
| 910 | } |
| 911 | |
| 912 | /* |
| 913 | * Platform driver - hibernate/resume callbacks |
| 914 | */ |
Alan Jenkins | c200da5 | 2009-08-28 12:56:40 +0000 | [diff] [blame] | 915 | static int eeepc_hotk_thaw(struct device *device) |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 916 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 917 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
| 918 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 919 | if (eeepc->wlan_rfkill) { |
Frans Klaver | efef872 | 2014-10-22 21:12:43 +0200 | [diff] [blame] | 920 | int wlan; |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 921 | |
Alan Jenkins | c1edd99 | 2009-08-28 12:56:39 +0000 | [diff] [blame] | 922 | /* |
| 923 | * Work around bios bug - acpi _PTS turns off the wireless led |
| 924 | * during suspend. Normally it restores it on resume, but |
Alan Jenkins | c200da5 | 2009-08-28 12:56:40 +0000 | [diff] [blame] | 925 | * we should kick it ourselves in case hibernation is aborted. |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 926 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 927 | wlan = get_acpi(eeepc, CM_ASL_WLAN); |
Frans Klaver | efef872 | 2014-10-22 21:12:43 +0200 | [diff] [blame] | 928 | if (wlan >= 0) |
| 929 | set_acpi(eeepc, CM_ASL_WLAN, wlan); |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 930 | } |
| 931 | |
Alan Jenkins | c200da5 | 2009-08-28 12:56:40 +0000 | [diff] [blame] | 932 | return 0; |
| 933 | } |
| 934 | |
| 935 | static int eeepc_hotk_restore(struct device *device) |
| 936 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 937 | struct eeepc_laptop *eeepc = dev_get_drvdata(device); |
Alan Jenkins | c200da5 | 2009-08-28 12:56:40 +0000 | [diff] [blame] | 938 | |
Alan Jenkins | 96e9cfe | 2009-06-16 14:53:52 +0100 | [diff] [blame] | 939 | /* Refresh both wlan rfkill state and pci hotplug */ |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 940 | if (eeepc->wlan_rfkill) { |
Frans Klaver | 792bd2a | 2014-10-22 21:12:38 +0200 | [diff] [blame] | 941 | eeepc_rfkill_hotplug_update(eeepc, EEEPC_RFKILL_NODE_1); |
| 942 | eeepc_rfkill_hotplug_update(eeepc, EEEPC_RFKILL_NODE_2); |
| 943 | eeepc_rfkill_hotplug_update(eeepc, EEEPC_RFKILL_NODE_3); |
Matthew Garrett | 14fdb15 | 2011-05-09 10:44:01 -0400 | [diff] [blame] | 944 | } |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 945 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 946 | if (eeepc->bluetooth_rfkill) |
| 947 | rfkill_set_sw_state(eeepc->bluetooth_rfkill, |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 948 | get_acpi(eeepc, CM_ASL_BLUETOOTH) != 1); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 949 | if (eeepc->wwan3g_rfkill) |
| 950 | rfkill_set_sw_state(eeepc->wwan3g_rfkill, |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 951 | get_acpi(eeepc, CM_ASL_3G) != 1); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 952 | if (eeepc->wimax_rfkill) |
| 953 | rfkill_set_sw_state(eeepc->wimax_rfkill, |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 954 | get_acpi(eeepc, CM_ASL_WIMAX) != 1); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 955 | |
| 956 | return 0; |
| 957 | } |
| 958 | |
Len Brown | 9a3bff2 | 2009-12-15 22:34:48 -0500 | [diff] [blame] | 959 | static const struct dev_pm_ops eeepc_pm_ops = { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 960 | .thaw = eeepc_hotk_thaw, |
| 961 | .restore = eeepc_hotk_restore, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 962 | }; |
| 963 | |
| 964 | static struct platform_driver platform_driver = { |
| 965 | .driver = { |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 966 | .name = EEEPC_LAPTOP_FILE, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 967 | .pm = &eeepc_pm_ops, |
| 968 | } |
| 969 | }; |
| 970 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 971 | /* |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 972 | * Hwmon device |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 973 | */ |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 974 | |
| 975 | #define EEEPC_EC_SC00 0x61 |
| 976 | #define EEEPC_EC_FAN_PWM (EEEPC_EC_SC00 + 2) /* Fan PWM duty cycle (%) */ |
| 977 | #define EEEPC_EC_FAN_HRPM (EEEPC_EC_SC00 + 5) /* High byte, fan speed (RPM) */ |
| 978 | #define EEEPC_EC_FAN_LRPM (EEEPC_EC_SC00 + 6) /* Low byte, fan speed (RPM) */ |
| 979 | |
| 980 | #define EEEPC_EC_SFB0 0xD0 |
| 981 | #define EEEPC_EC_FAN_CTRL (EEEPC_EC_SFB0 + 3) /* Byte containing SF25 */ |
| 982 | |
Frans Klaver | 148a5dd | 2014-10-22 21:12:42 +0200 | [diff] [blame] | 983 | static inline int eeepc_pwm_to_lmsensors(int value) |
| 984 | { |
| 985 | return value * 255 / 100; |
| 986 | } |
| 987 | |
| 988 | static inline int eeepc_lmsensors_to_pwm(int value) |
| 989 | { |
| 990 | value = clamp_val(value, 0, 255); |
| 991 | return value * 100 / 255; |
| 992 | } |
| 993 | |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 994 | static int eeepc_get_fan_pwm(void) |
| 995 | { |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 996 | u8 value = 0; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 997 | |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 998 | ec_read(EEEPC_EC_FAN_PWM, &value); |
Frans Klaver | 148a5dd | 2014-10-22 21:12:42 +0200 | [diff] [blame] | 999 | return eeepc_pwm_to_lmsensors(value); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1000 | } |
| 1001 | |
| 1002 | static void eeepc_set_fan_pwm(int value) |
| 1003 | { |
Frans Klaver | 148a5dd | 2014-10-22 21:12:42 +0200 | [diff] [blame] | 1004 | value = eeepc_lmsensors_to_pwm(value); |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1005 | ec_write(EEEPC_EC_FAN_PWM, value); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1006 | } |
| 1007 | |
| 1008 | static int eeepc_get_fan_rpm(void) |
| 1009 | { |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1010 | u8 high = 0; |
| 1011 | u8 low = 0; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1012 | |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1013 | ec_read(EEEPC_EC_FAN_HRPM, &high); |
| 1014 | ec_read(EEEPC_EC_FAN_LRPM, &low); |
| 1015 | return high << 8 | low; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1016 | } |
| 1017 | |
Frans Klaver | a5de681 | 2014-10-22 21:12:41 +0200 | [diff] [blame] | 1018 | #define EEEPC_EC_FAN_CTRL_BIT 0x02 |
| 1019 | #define EEEPC_FAN_CTRL_MANUAL 1 |
| 1020 | #define EEEPC_FAN_CTRL_AUTO 2 |
| 1021 | |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1022 | static int eeepc_get_fan_ctrl(void) |
| 1023 | { |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1024 | u8 value = 0; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1025 | |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1026 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
Frans Klaver | a5de681 | 2014-10-22 21:12:41 +0200 | [diff] [blame] | 1027 | if (value & EEEPC_EC_FAN_CTRL_BIT) |
| 1028 | return EEEPC_FAN_CTRL_MANUAL; |
Alan Jenkins | 4871868 | 2009-12-03 07:44:56 +0000 | [diff] [blame] | 1029 | else |
Frans Klaver | a5de681 | 2014-10-22 21:12:41 +0200 | [diff] [blame] | 1030 | return EEEPC_FAN_CTRL_AUTO; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1031 | } |
| 1032 | |
| 1033 | static void eeepc_set_fan_ctrl(int manual) |
| 1034 | { |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1035 | u8 value = 0; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1036 | |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1037 | ec_read(EEEPC_EC_FAN_CTRL, &value); |
Frans Klaver | a5de681 | 2014-10-22 21:12:41 +0200 | [diff] [blame] | 1038 | if (manual == EEEPC_FAN_CTRL_MANUAL) |
| 1039 | value |= EEEPC_EC_FAN_CTRL_BIT; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1040 | else |
Frans Klaver | a5de681 | 2014-10-22 21:12:41 +0200 | [diff] [blame] | 1041 | value &= ~EEEPC_EC_FAN_CTRL_BIT; |
Alan Jenkins | 463b4e4 | 2009-12-03 07:45:03 +0000 | [diff] [blame] | 1042 | ec_write(EEEPC_EC_FAN_CTRL, value); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1043 | } |
| 1044 | |
| 1045 | static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count) |
| 1046 | { |
| 1047 | int rv, value; |
| 1048 | |
Paul Bolle | 95369a7 | 2014-09-17 21:02:51 +0200 | [diff] [blame] | 1049 | rv = parse_arg(buf, &value); |
| 1050 | if (rv < 0) |
| 1051 | return rv; |
| 1052 | set(value); |
| 1053 | return count; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1054 | } |
| 1055 | |
| 1056 | static ssize_t show_sys_hwmon(int (*get)(void), char *buf) |
| 1057 | { |
| 1058 | return sprintf(buf, "%d\n", get()); |
| 1059 | } |
| 1060 | |
Frans Klaver | 28ac85f | 2014-09-17 23:47:24 +0200 | [diff] [blame] | 1061 | #define EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1062 | static ssize_t _name##_show(struct device *dev, \ |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1063 | struct device_attribute *attr, \ |
| 1064 | char *buf) \ |
| 1065 | { \ |
Paul Bolle | 1ec9d39 | 2014-06-17 14:06:30 +0200 | [diff] [blame] | 1066 | return show_sys_hwmon(_get, buf); \ |
Frans Klaver | 28ac85f | 2014-09-17 23:47:24 +0200 | [diff] [blame] | 1067 | } |
| 1068 | |
| 1069 | #define EEEPC_SENSOR_STORE_FUNC(_name, _set) \ |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1070 | static ssize_t _name##_store(struct device *dev, \ |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1071 | struct device_attribute *attr, \ |
| 1072 | const char *buf, size_t count) \ |
| 1073 | { \ |
Paul Bolle | 1ec9d39 | 2014-06-17 14:06:30 +0200 | [diff] [blame] | 1074 | return store_sys_hwmon(_set, buf, count); \ |
Frans Klaver | 28ac85f | 2014-09-17 23:47:24 +0200 | [diff] [blame] | 1075 | } |
| 1076 | |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1077 | #define EEEPC_CREATE_SENSOR_ATTR_RW(_name, _get, _set) \ |
Frans Klaver | 28ac85f | 2014-09-17 23:47:24 +0200 | [diff] [blame] | 1078 | EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
| 1079 | EEEPC_SENSOR_STORE_FUNC(_name, _set) \ |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1080 | static DEVICE_ATTR_RW(_name) |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1081 | |
Frans Klaver | 48d4a5b | 2014-09-17 23:47:25 +0200 | [diff] [blame] | 1082 | #define EEEPC_CREATE_SENSOR_ATTR_RO(_name, _get) \ |
| 1083 | EEEPC_SENSOR_SHOW_FUNC(_name, _get) \ |
| 1084 | static DEVICE_ATTR_RO(_name) |
| 1085 | |
| 1086 | EEEPC_CREATE_SENSOR_ATTR_RO(fan1_input, eeepc_get_fan_rpm); |
| 1087 | EEEPC_CREATE_SENSOR_ATTR_RW(pwm1, eeepc_get_fan_pwm, |
| 1088 | eeepc_set_fan_pwm); |
| 1089 | EEEPC_CREATE_SENSOR_ATTR_RW(pwm1_enable, eeepc_get_fan_ctrl, |
| 1090 | eeepc_set_fan_ctrl); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1091 | |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1092 | static struct attribute *hwmon_attrs[] = { |
| 1093 | &dev_attr_pwm1.attr, |
| 1094 | &dev_attr_fan1_input.attr, |
| 1095 | &dev_attr_pwm1_enable.attr, |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1096 | NULL |
| 1097 | }; |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1098 | ATTRIBUTE_GROUPS(hwmon); |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1099 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1100 | static int eeepc_hwmon_init(struct eeepc_laptop *eeepc) |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1101 | { |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1102 | struct device *dev = &eeepc->platform_device->dev; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1103 | struct device *hwmon; |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1104 | |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1105 | hwmon = devm_hwmon_device_register_with_groups(dev, "eeepc", NULL, |
| 1106 | hwmon_groups); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1107 | if (IS_ERR(hwmon)) { |
| 1108 | pr_err("Could not register eeepc hwmon device\n"); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1109 | return PTR_ERR(hwmon); |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1110 | } |
Guenter Roeck | f0c34c9 | 2013-11-23 11:03:21 -0800 | [diff] [blame] | 1111 | return 0; |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1112 | } |
| 1113 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1114 | /* |
| 1115 | * Backlight device |
| 1116 | */ |
| 1117 | static int read_brightness(struct backlight_device *bd) |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1118 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1119 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
| 1120 | |
| 1121 | return get_acpi(eeepc, CM_ASL_PANELBRIGHT); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1122 | } |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1123 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1124 | static int set_brightness(struct backlight_device *bd, int value) |
| 1125 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1126 | struct eeepc_laptop *eeepc = bl_get_data(bd); |
| 1127 | |
| 1128 | return set_acpi(eeepc, CM_ASL_PANELBRIGHT, value); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1129 | } |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1130 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1131 | static int update_bl_status(struct backlight_device *bd) |
| 1132 | { |
| 1133 | return set_brightness(bd, bd->props.brightness); |
| 1134 | } |
Corentin Chary | a9df80c | 2009-01-20 16:17:40 +0100 | [diff] [blame] | 1135 | |
Lionel Debroux | acc2472 | 2010-11-16 14:14:02 +0100 | [diff] [blame] | 1136 | static const struct backlight_ops eeepcbl_ops = { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1137 | .get_brightness = read_brightness, |
| 1138 | .update_status = update_bl_status, |
| 1139 | }; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1140 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1141 | static int eeepc_backlight_notify(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1142 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1143 | struct backlight_device *bd = eeepc->backlight_device; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1144 | int old = bd->props.brightness; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1145 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1146 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1147 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1148 | return old; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1149 | } |
| 1150 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1151 | static int eeepc_backlight_init(struct eeepc_laptop *eeepc) |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1152 | { |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 1153 | struct backlight_properties props; |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1154 | struct backlight_device *bd; |
| 1155 | |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 1156 | memset(&props, 0, sizeof(struct backlight_properties)); |
Matthew Garrett | bb7ca74 | 2011-03-22 16:30:21 -0700 | [diff] [blame] | 1157 | props.type = BACKLIGHT_PLATFORM; |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 1158 | props.max_brightness = 15; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1159 | bd = backlight_device_register(EEEPC_LAPTOP_FILE, |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 1160 | &eeepc->platform_device->dev, eeepc, |
| 1161 | &eeepcbl_ops, &props); |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1162 | if (IS_ERR(bd)) { |
Joe Perches | 19b5328 | 2009-06-25 13:25:37 +0200 | [diff] [blame] | 1163 | pr_err("Could not register eeepc backlight device\n"); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1164 | eeepc->backlight_device = NULL; |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1165 | return PTR_ERR(bd); |
| 1166 | } |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1167 | eeepc->backlight_device = bd; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1168 | bd->props.brightness = read_brightness(bd); |
Corentin Chary | a5fa429 | 2008-03-13 12:56:37 +0100 | [diff] [blame] | 1169 | bd->props.power = FB_BLANK_UNBLANK; |
| 1170 | backlight_update_status(bd); |
| 1171 | return 0; |
| 1172 | } |
| 1173 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1174 | static void eeepc_backlight_exit(struct eeepc_laptop *eeepc) |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1175 | { |
Markus Elfring | 0098181 | 2014-11-24 20:30:29 +0100 | [diff] [blame] | 1176 | backlight_device_unregister(eeepc->backlight_device); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1177 | eeepc->backlight_device = NULL; |
Corentin Chary | e1faa9d | 2008-03-13 12:57:18 +0100 | [diff] [blame] | 1178 | } |
| 1179 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1180 | |
| 1181 | /* |
| 1182 | * Input device (i.e. hotkeys) |
| 1183 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1184 | static int eeepc_input_init(struct eeepc_laptop *eeepc) |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1185 | { |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1186 | struct input_dev *input; |
| 1187 | int error; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1188 | |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1189 | input = input_allocate_device(); |
Joe Perches | b222cca | 2013-10-23 12:14:52 -0700 | [diff] [blame] | 1190 | if (!input) |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1191 | return -ENOMEM; |
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 | input->name = "Asus EeePC extra buttons"; |
| 1194 | input->phys = EEEPC_LAPTOP_FILE "/input0"; |
| 1195 | input->id.bustype = BUS_HOST; |
| 1196 | input->dev.parent = &eeepc->platform_device->dev; |
| 1197 | |
| 1198 | error = sparse_keymap_setup(input, eeepc_keymap, NULL); |
| 1199 | if (error) { |
| 1200 | pr_err("Unable to setup input device keymap\n"); |
| 1201 | goto err_free_dev; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1202 | } |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1203 | |
| 1204 | error = input_register_device(input); |
| 1205 | if (error) { |
| 1206 | pr_err("Unable to register input device\n"); |
| 1207 | goto err_free_keymap; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1208 | } |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1209 | |
| 1210 | eeepc->inputdev = input; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1211 | return 0; |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1212 | |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1213 | err_free_keymap: |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1214 | sparse_keymap_free(input); |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1215 | err_free_dev: |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1216 | input_free_device(input); |
| 1217 | return error; |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1218 | } |
| 1219 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1220 | static void eeepc_input_exit(struct eeepc_laptop *eeepc) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1221 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1222 | if (eeepc->inputdev) { |
Corentin Chary | c9db3ef | 2010-04-10 11:02:51 +0200 | [diff] [blame] | 1223 | sparse_keymap_free(eeepc->inputdev); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1224 | input_unregister_device(eeepc->inputdev); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1225 | } |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1226 | eeepc->inputdev = NULL; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1227 | } |
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 | /* |
| 1230 | * ACPI driver |
| 1231 | */ |
Corentin Chary | ce6c468 | 2011-12-15 08:27:32 +0100 | [diff] [blame] | 1232 | static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event) |
| 1233 | { |
| 1234 | if (!eeepc->inputdev) |
Frans Klaver | fb1d97a | 2014-11-02 22:14:58 +0100 | [diff] [blame] | 1235 | return; |
Corentin Chary | ce6c468 | 2011-12-15 08:27:32 +0100 | [diff] [blame] | 1236 | if (!sparse_keymap_report_event(eeepc->inputdev, event, 1, true)) |
| 1237 | pr_info("Unknown key %x pressed\n", event); |
| 1238 | } |
| 1239 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1240 | static void eeepc_acpi_notify(struct acpi_device *device, u32 event) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1241 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1242 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
Frans Klaver | fb1d97a | 2014-11-02 22:14:58 +0100 | [diff] [blame] | 1243 | int old_brightness, new_brightness; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1244 | u16 count; |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1245 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1246 | if (event > ACPI_MAX_SYS_NOTIFY) |
| 1247 | return; |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1248 | count = eeepc->event_count[event % 128]++; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1249 | acpi_bus_generate_netlink_event(device->pnp.device_class, |
| 1250 | dev_name(&device->dev), event, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1251 | count); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1252 | |
Alan Jenkins | 325fb8e | 2009-12-03 07:45:15 +0000 | [diff] [blame] | 1253 | /* Brightness events are special */ |
Frans Klaver | fb1d97a | 2014-11-02 22:14:58 +0100 | [diff] [blame] | 1254 | if (event < NOTIFY_BRN_MIN || event > NOTIFY_BRN_MAX) { |
Corentin Chary | ce6c468 | 2011-12-15 08:27:32 +0100 | [diff] [blame] | 1255 | eeepc_input_notify(eeepc, event); |
Frans Klaver | fb1d97a | 2014-11-02 22:14:58 +0100 | [diff] [blame] | 1256 | return; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1257 | } |
Frans Klaver | fb1d97a | 2014-11-02 22:14:58 +0100 | [diff] [blame] | 1258 | |
| 1259 | /* Ignore them completely if the acpi video driver is used */ |
| 1260 | if (!eeepc->backlight_device) |
| 1261 | return; |
| 1262 | |
| 1263 | /* Update the backlight device. */ |
| 1264 | old_brightness = eeepc_backlight_notify(eeepc); |
| 1265 | |
| 1266 | /* Convert event to keypress (obsolescent hack) */ |
| 1267 | new_brightness = event - NOTIFY_BRN_MIN; |
| 1268 | |
| 1269 | if (new_brightness < old_brightness) { |
| 1270 | event = NOTIFY_BRN_MIN; /* brightness down */ |
| 1271 | } else if (new_brightness > old_brightness) { |
| 1272 | event = NOTIFY_BRN_MAX; /* brightness up */ |
| 1273 | } else { |
| 1274 | /* |
| 1275 | * no change in brightness - already at min/max, |
| 1276 | * event will be desired value (or else ignored) |
| 1277 | */ |
| 1278 | } |
| 1279 | eeepc_input_notify(eeepc, event); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1280 | } |
| 1281 | |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1282 | static void eeepc_dmi_check(struct eeepc_laptop *eeepc) |
| 1283 | { |
| 1284 | const char *model; |
| 1285 | |
Corentin Chary | 10ae4b5 | 2010-01-06 22:07:38 +0100 | [diff] [blame] | 1286 | model = dmi_get_system_info(DMI_PRODUCT_NAME); |
| 1287 | if (!model) |
| 1288 | return; |
| 1289 | |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1290 | /* |
| 1291 | * Blacklist for setting cpufv (cpu speed). |
| 1292 | * |
| 1293 | * EeePC 4G ("701") implements CFVS, but it is not supported |
| 1294 | * by the pre-installed OS, and the original option to change it |
| 1295 | * in the BIOS setup screen was removed in later versions. |
| 1296 | * |
| 1297 | * Judging by the lack of "Super Hybrid Engine" on Asus product pages, |
| 1298 | * this applies to all "701" models (4G/4G Surf/2G Surf). |
| 1299 | * |
| 1300 | * So Asus made a deliberate decision not to support it on this model. |
| 1301 | * We have several reports that using it can cause the system to hang |
| 1302 | * |
| 1303 | * The hang has also been reported on a "702" (Model name "8G"?). |
| 1304 | * |
| 1305 | * We avoid dmi_check_system() / dmi_match(), because they use |
| 1306 | * substring matching. We don't want to affect the "701SD" |
| 1307 | * and "701SDX" models, because they do support S.H.E. |
| 1308 | */ |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1309 | if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) { |
| 1310 | eeepc->cpufv_disabled = true; |
Frans Klaver | 9f662b2 | 2014-10-22 21:12:37 +0200 | [diff] [blame] | 1311 | pr_info("model %s does not officially support setting cpu speed\n", |
| 1312 | model); |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1313 | pr_info("cpufv disabled to avoid instability\n"); |
| 1314 | } |
Corentin Chary | 10ae4b5 | 2010-01-06 22:07:38 +0100 | [diff] [blame] | 1315 | |
| 1316 | /* |
| 1317 | * Blacklist for wlan hotplug |
| 1318 | * |
| 1319 | * Eeepc 1005HA doesn't work like others models and don't need the |
| 1320 | * hotplug code. In fact, current hotplug code seems to unplug another |
| 1321 | * device... |
| 1322 | */ |
Alan Jenkins | ced69c5 | 2010-02-20 11:02:24 +0000 | [diff] [blame] | 1323 | if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0 || |
| 1324 | strcmp(model, "1005PE") == 0) { |
Corentin Chary | 10ae4b5 | 2010-01-06 22:07:38 +0100 | [diff] [blame] | 1325 | eeepc->hotplug_disabled = true; |
| 1326 | pr_info("wlan hotplug disabled\n"); |
| 1327 | } |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1328 | } |
| 1329 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1330 | 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] | 1331 | { |
| 1332 | int dummy; |
| 1333 | |
Lucas De Marchi | c844033 | 2011-03-17 17:18:22 -0300 | [diff] [blame] | 1334 | /* Some BIOSes do not report cm although it is available. |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1335 | 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] | 1336 | if (!(eeepc->cm_supported & (1 << cm)) |
| 1337 | && !read_acpi_int(eeepc->handle, cm_getv[cm], &dummy)) { |
Frans Klaver | 9f662b2 | 2014-10-22 21:12:37 +0200 | [diff] [blame] | 1338 | pr_info("%s (%x) not reported by BIOS, enabling anyway\n", |
| 1339 | name, 1 << cm); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1340 | eeepc->cm_supported |= 1 << cm; |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1341 | } |
| 1342 | } |
| 1343 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1344 | static void cmsg_quirks(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1345 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1346 | cmsg_quirk(eeepc, CM_ASL_LID, "LID"); |
| 1347 | cmsg_quirk(eeepc, CM_ASL_TYPE, "TYPE"); |
| 1348 | cmsg_quirk(eeepc, CM_ASL_PANELPOWER, "PANELPOWER"); |
| 1349 | cmsg_quirk(eeepc, CM_ASL_TPD, "TPD"); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1350 | } |
| 1351 | |
Greg Kroah-Hartman | b859f15 | 2012-12-21 13:18:33 -0800 | [diff] [blame] | 1352 | static int eeepc_acpi_init(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1353 | { |
| 1354 | unsigned int init_flags; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1355 | int result; |
| 1356 | |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1357 | result = acpi_bus_get_status(eeepc->device); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1358 | if (result) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1359 | return result; |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1360 | if (!eeepc->device->status.present) { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1361 | pr_err("Hotkey device not present, aborting\n"); |
| 1362 | return -ENODEV; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1363 | } |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1364 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1365 | init_flags = DISABLE_ASL_WLAN | DISABLE_ASL_DISPLAYSWITCH; |
| 1366 | pr_notice("Hotkey init flags 0x%x\n", init_flags); |
| 1367 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1368 | if (write_acpi_int(eeepc->handle, "INIT", init_flags)) { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1369 | pr_err("Hotkey initialization failed\n"); |
| 1370 | return -ENODEV; |
| 1371 | } |
| 1372 | |
| 1373 | /* get control methods supported */ |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1374 | if (read_acpi_int(eeepc->handle, "CMSG", &eeepc->cm_supported)) { |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1375 | pr_err("Get control methods supported failed\n"); |
| 1376 | return -ENODEV; |
| 1377 | } |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1378 | cmsg_quirks(eeepc); |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1379 | pr_info("Get control methods supported: 0x%x\n", eeepc->cm_supported); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1380 | |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1381 | return 0; |
| 1382 | } |
| 1383 | |
Greg Kroah-Hartman | b859f15 | 2012-12-21 13:18:33 -0800 | [diff] [blame] | 1384 | static void eeepc_enable_camera(struct eeepc_laptop *eeepc) |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1385 | { |
| 1386 | /* |
| 1387 | * If the following call to set_acpi() fails, it's because there's no |
| 1388 | * camera so we can ignore the error. |
| 1389 | */ |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1390 | if (get_acpi(eeepc, CM_ASL_CAMERA) == 0) |
| 1391 | set_acpi(eeepc, CM_ASL_CAMERA, 1); |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1392 | } |
| 1393 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1394 | static bool eeepc_device_present; |
| 1395 | |
Greg Kroah-Hartman | b859f15 | 2012-12-21 13:18:33 -0800 | [diff] [blame] | 1396 | static int eeepc_acpi_add(struct acpi_device *device) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1397 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1398 | struct eeepc_laptop *eeepc; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1399 | int result; |
| 1400 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1401 | pr_notice(EEEPC_LAPTOP_NAME "\n"); |
| 1402 | eeepc = kzalloc(sizeof(struct eeepc_laptop), GFP_KERNEL); |
| 1403 | if (!eeepc) |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1404 | return -ENOMEM; |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1405 | eeepc->handle = device->handle; |
| 1406 | strcpy(acpi_device_name(device), EEEPC_ACPI_DEVICE_NAME); |
| 1407 | strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS); |
| 1408 | device->driver_data = eeepc; |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1409 | eeepc->device = device; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1410 | |
Corentin Chary | 322a135 | 2010-01-06 22:07:40 +0100 | [diff] [blame] | 1411 | eeepc->hotplug_disabled = hotplug_disabled; |
| 1412 | |
Alan Jenkins | da8ba01 | 2010-01-06 22:07:37 +0100 | [diff] [blame] | 1413 | eeepc_dmi_check(eeepc); |
| 1414 | |
Corentin Chary | 71e687d | 2010-08-24 09:30:44 +0200 | [diff] [blame] | 1415 | result = eeepc_acpi_init(eeepc); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1416 | if (result) |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 1417 | goto fail_platform; |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1418 | eeepc_enable_camera(eeepc); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1419 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1420 | /* |
| 1421 | * Register the platform device first. It is used as a parent for the |
| 1422 | * sub-devices below. |
| 1423 | * |
| 1424 | * Note that if there are multiple instances of this ACPI device it |
| 1425 | * will bail out, because the platform device is registered with a |
| 1426 | * fixed name. Of course it doesn't make sense to have more than one, |
| 1427 | * and machine-specific scripts find the fixed name convenient. But |
| 1428 | * It's also good for us to exclude multiple instances because both |
| 1429 | * our hwmon and our wlan rfkill subdevice use global ACPI objects |
| 1430 | * (the EC and the wlan PCI slot respectively). |
| 1431 | */ |
| 1432 | result = eeepc_platform_init(eeepc); |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1433 | if (result) |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 1434 | goto fail_platform; |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1435 | |
| 1436 | if (!acpi_video_backlight_support()) { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1437 | result = eeepc_backlight_init(eeepc); |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1438 | if (result) |
| 1439 | goto fail_backlight; |
Frans Klaver | 39a3e17 | 2014-09-17 23:47:19 +0200 | [diff] [blame] | 1440 | } else { |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 1441 | pr_info("Backlight controlled by ACPI video driver\n"); |
Frans Klaver | 39a3e17 | 2014-09-17 23:47:19 +0200 | [diff] [blame] | 1442 | } |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1443 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1444 | result = eeepc_input_init(eeepc); |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1445 | if (result) |
| 1446 | goto fail_input; |
| 1447 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1448 | result = eeepc_hwmon_init(eeepc); |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1449 | if (result) |
| 1450 | goto fail_hwmon; |
| 1451 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1452 | result = eeepc_led_init(eeepc); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1453 | if (result) |
| 1454 | goto fail_led; |
| 1455 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1456 | result = eeepc_rfkill_init(eeepc); |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1457 | if (result) |
| 1458 | goto fail_rfkill; |
| 1459 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1460 | eeepc_device_present = true; |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1461 | return 0; |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1462 | |
Corentin Chary | 7de3938 | 2009-06-25 13:25:38 +0200 | [diff] [blame] | 1463 | fail_rfkill: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1464 | eeepc_led_exit(eeepc); |
Corentin Chary | 3c0eb51 | 2009-12-03 07:44:52 +0000 | [diff] [blame] | 1465 | fail_led: |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1466 | fail_hwmon: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1467 | eeepc_input_exit(eeepc); |
Alan Jenkins | f2a9d5e | 2009-08-28 12:56:36 +0000 | [diff] [blame] | 1468 | fail_input: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1469 | eeepc_backlight_exit(eeepc); |
Corentin Chary | 1ddec2f | 2009-06-25 13:25:39 +0200 | [diff] [blame] | 1470 | fail_backlight: |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1471 | eeepc_platform_exit(eeepc); |
Alan Jenkins | 9db106b | 2009-12-03 07:45:06 +0000 | [diff] [blame] | 1472 | fail_platform: |
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 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1475 | return result; |
| 1476 | } |
| 1477 | |
Rafael J. Wysocki | 51fac83 | 2013-01-24 00:24:48 +0100 | [diff] [blame] | 1478 | static int eeepc_acpi_remove(struct acpi_device *device) |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1479 | { |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1480 | struct eeepc_laptop *eeepc = acpi_driver_data(device); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1481 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1482 | eeepc_backlight_exit(eeepc); |
| 1483 | eeepc_rfkill_exit(eeepc); |
| 1484 | eeepc_input_exit(eeepc); |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1485 | eeepc_led_exit(eeepc); |
| 1486 | eeepc_platform_exit(eeepc); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1487 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1488 | kfree(eeepc); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1489 | return 0; |
| 1490 | } |
| 1491 | |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1492 | |
| 1493 | static const struct acpi_device_id eeepc_device_ids[] = { |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1494 | {EEEPC_ACPI_HID, 0}, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1495 | {"", 0}, |
| 1496 | }; |
| 1497 | MODULE_DEVICE_TABLE(acpi, eeepc_device_ids); |
| 1498 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1499 | static struct acpi_driver eeepc_acpi_driver = { |
| 1500 | .name = EEEPC_LAPTOP_NAME, |
| 1501 | .class = EEEPC_ACPI_CLASS, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1502 | .owner = THIS_MODULE, |
| 1503 | .ids = eeepc_device_ids, |
| 1504 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, |
| 1505 | .ops = { |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1506 | .add = eeepc_acpi_add, |
| 1507 | .remove = eeepc_acpi_remove, |
| 1508 | .notify = eeepc_acpi_notify, |
Alan Jenkins | 52bbe3c | 2009-12-03 07:45:07 +0000 | [diff] [blame] | 1509 | }, |
| 1510 | }; |
| 1511 | |
| 1512 | |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1513 | static int __init eeepc_laptop_init(void) |
| 1514 | { |
| 1515 | int result; |
| 1516 | |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1517 | result = platform_driver_register(&platform_driver); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1518 | if (result < 0) |
| 1519 | return result; |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1520 | |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1521 | result = acpi_bus_register_driver(&eeepc_acpi_driver); |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1522 | if (result < 0) |
| 1523 | goto fail_acpi_driver; |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1524 | |
Alan Jenkins | 854c783 | 2009-12-03 07:45:09 +0000 | [diff] [blame] | 1525 | if (!eeepc_device_present) { |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1526 | result = -ENODEV; |
| 1527 | goto fail_no_device; |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1528 | } |
Dmitry Torokhov | 642e044 | 2010-01-06 22:07:39 +0100 | [diff] [blame] | 1529 | |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1530 | return 0; |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1531 | |
| 1532 | fail_no_device: |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1533 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1534 | fail_acpi_driver: |
| 1535 | platform_driver_unregister(&platform_driver); |
| 1536 | return result; |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1537 | } |
| 1538 | |
| 1539 | static void __exit eeepc_laptop_exit(void) |
| 1540 | { |
Alan Jenkins | a7624b6 | 2009-12-03 07:45:08 +0000 | [diff] [blame] | 1541 | acpi_bus_unregister_driver(&eeepc_acpi_driver); |
Alan Jenkins | 22072e9 | 2009-12-03 07:45:05 +0000 | [diff] [blame] | 1542 | platform_driver_unregister(&platform_driver); |
Alan Jenkins | 1e77985 | 2009-08-28 12:56:35 +0000 | [diff] [blame] | 1543 | } |
| 1544 | |
Eric Cooper | e59f879 | 2008-03-13 12:55:46 +0100 | [diff] [blame] | 1545 | module_init(eeepc_laptop_init); |
| 1546 | module_exit(eeepc_laptop_exit); |