diff options
Diffstat (limited to 'drivers/misc/acer-wmi.c')
| -rw-r--r-- | drivers/misc/acer-wmi.c | 1134 |
1 files changed, 0 insertions, 1134 deletions
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c deleted file mode 100644 index dd13a374992..00000000000 --- a/drivers/misc/acer-wmi.c +++ /dev/null @@ -1,1134 +0,0 @@ -/* - * Acer WMI Laptop Extras - * - * Copyright (C) 2007-2008 Carlos Corbacho <carlos@strangeworlds.co.uk> - * - * Based on acer_acpi: - * Copyright (C) 2005-2007 E.M. Smith - * Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#define ACER_WMI_VERSION "0.1" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/dmi.h> -#include <linux/backlight.h> -#include <linux/leds.h> -#include <linux/platform_device.h> -#include <linux/acpi.h> -#include <linux/i8042.h> - -#include <acpi/acpi_drivers.h> - -MODULE_AUTHOR("Carlos Corbacho"); -MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver"); -MODULE_LICENSE("GPL"); - -#define ACER_LOGPREFIX "acer-wmi: " -#define ACER_ERR KERN_ERR ACER_LOGPREFIX -#define ACER_NOTICE KERN_NOTICE ACER_LOGPREFIX -#define ACER_INFO KERN_INFO ACER_LOGPREFIX - -/* - * The following defines quirks to get some specific functions to work - * which are known to not be supported over ACPI-WMI (such as the mail LED - * on WMID based Acer's) - */ -struct acer_quirks { - const char *vendor; - const char *model; - u16 quirks; -}; - -/* - * Magic Number - * Meaning is unknown - this number is required for writing to ACPI for AMW0 - * (it's also used in acerhk when directly accessing the BIOS) - */ -#define ACER_AMW0_WRITE 0x9610 - -/* - * Bit masks for the AMW0 interface - */ -#define ACER_AMW0_WIRELESS_MASK 0x35 -#define ACER_AMW0_BLUETOOTH_MASK 0x34 -#define ACER_AMW0_MAILLED_MASK 0x31 - -/* - * Method IDs for WMID interface - */ -#define ACER_WMID_GET_WIRELESS_METHODID 1 -#define ACER_WMID_GET_BLUETOOTH_METHODID 2 -#define ACER_WMID_GET_BRIGHTNESS_METHODID 3 -#define ACER_WMID_SET_WIRELESS_METHODID 4 -#define ACER_WMID_SET_BLUETOOTH_METHODID 5 -#define ACER_WMID_SET_BRIGHTNESS_METHODID 6 -#define ACER_WMID_GET_THREEG_METHODID 10 -#define ACER_WMID_SET_THREEG_METHODID 11 - -/* - * Acer ACPI method GUIDs - */ -#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB" -#define WMID_GUID1 "6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3" -#define WMID_GUID2 "95764E09-FB56-4e83-B31A-37761F60994A" - -MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB"); -MODULE_ALIAS("wmi:6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"); - -/* Temporary workaround until the WMI sysfs interface goes in */ -MODULE_ALIAS("dmi:*:*Acer*:*:"); - -/* - * Interface capability flags - */ -#define ACER_CAP_MAILLED (1<<0) -#define ACER_CAP_WIRELESS (1<<1) -#define ACER_CAP_BLUETOOTH (1<<2) -#define ACER_CAP_BRIGHTNESS (1<<3) -#define ACER_CAP_THREEG (1<<4) -#define ACER_CAP_ANY (0xFFFFFFFF) - -/* - * Interface type flags - */ -enum interface_flags { - ACER_AMW0, - ACER_AMW0_V2, - ACER_WMID, -}; - -#define ACER_DEFAULT_WIRELESS 0 -#define ACER_DEFAULT_BLUETOOTH 0 -#define ACER_DEFAULT_MAILLED 0 -#define ACER_DEFAULT_THREEG 0 - -static int max_brightness = 0xF; - -static int wireless = -1; -static int bluetooth = -1; -static int mailled = -1; -static int brightness = -1; -static int threeg = -1; -static int force_series; - -module_param(mailled, int, 0444); -module_param(wireless, int, 0444); -module_param(bluetooth, int, 0444); -module_param(brightness, int, 0444); -module_param(threeg, int, 0444); -module_param(force_series, int, 0444); -MODULE_PARM_DESC(wireless, "Set initial state of Wireless hardware"); -MODULE_PARM_DESC(bluetooth, "Set initial state of Bluetooth hardware"); -MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); -MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); -MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); -MODULE_PARM_DESC(force_series, "Force a different laptop series"); - -struct acer_data { - int mailled; - int wireless; - int bluetooth; - int threeg; - int brightness; -}; - -/* Each low-level interface must define at least some of the following */ -struct wmi_interface { - /* The WMI device type */ - u32 type; - - /* The capabilities this interface provides */ - u32 capability; - - /* Private data for the current interface */ - struct acer_data data; -}; - -/* The static interface pointer, points to the currently detected interface */ -static struct wmi_interface *interface; - -/* - * Embedded Controller quirks - * Some laptops require us to directly access the EC to either enable or query - * features that are not available through WMI. - */ - -struct quirk_entry { - u8 wireless; - u8 mailled; - u8 brightness; - u8 bluetooth; -}; - -static struct quirk_entry *quirks; - -static void set_quirks(void) -{ - if (quirks->mailled) - interface->capability |= ACER_CAP_MAILLED; - - if (quirks->brightness) - interface->capability |= ACER_CAP_BRIGHTNESS; -} - -static int dmi_matched(const struct dmi_system_id *dmi) -{ - quirks = dmi->driver_data; - return 0; -} - -static struct quirk_entry quirk_unknown = { -}; - -static struct quirk_entry quirk_acer_travelmate_2490 = { - .mailled = 1, -}; - -/* This AMW0 laptop has no bluetooth */ -static struct quirk_entry quirk_medion_md_98300 = { - .wireless = 1, -}; - -static struct dmi_system_id acer_quirks[] = { - { - .callback = dmi_matched, - .ident = "Acer Aspire 3100", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 3610", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5100", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5610", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5630", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5650", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5680", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 9110", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer TravelMate 2490", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer TravelMate 4200", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Medion MD 98300", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), - DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"), - }, - .driver_data = &quirk_medion_md_98300, - }, - {} -}; - -/* Find which quirks are needed for a particular vendor/ model pair */ -static void find_quirks(void) -{ - if (!force_series) { - dmi_check_system(acer_quirks); - } else if (force_series == 2490) { - quirks = &quirk_acer_travelmate_2490; - } - - if (quirks == NULL) - quirks = &quirk_unknown; - - set_quirks(); -} - -/* - * General interface convenience methods - */ - -static bool has_cap(u32 cap) -{ - if ((interface->capability & cap) != 0) - return 1; - - return 0; -} - -/* - * AMW0 (V1) interface - */ -struct wmab_args { - u32 eax; - u32 ebx; - u32 ecx; - u32 edx; -}; - -struct wmab_ret { - u32 eax; - u32 ebx; - u32 ecx; - u32 edx; - u32 eex; -}; - -static acpi_status wmab_execute(struct wmab_args *regbuf, -struct acpi_buffer *result) -{ - struct acpi_buffer input; - acpi_status status; - input.length = sizeof(struct wmab_args); - input.pointer = (u8 *)regbuf; - - status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result); - - return status; -} - -static acpi_status AMW0_get_u32(u32 *value, u32 cap, -struct wmi_interface *iface) -{ - int err; - u8 result; - - switch (cap) { - case ACER_CAP_MAILLED: - switch (quirks->mailled) { - default: - err = ec_read(0xA, &result); - if (err) - return AE_ERROR; - *value = (result >> 7) & 0x1; - return AE_OK; - } - break; - case ACER_CAP_WIRELESS: - switch (quirks->wireless) { - case 1: - err = ec_read(0x7B, &result); - if (err) - return AE_ERROR; - *value = result & 0x1; - return AE_OK; - default: - err = ec_read(0xA, &result); - if (err) - return AE_ERROR; - *value = (result >> 2) & 0x1; - return AE_OK; - } - break; - case ACER_CAP_BLUETOOTH: - switch (quirks->bluetooth) { - default: - err = ec_read(0xA, &result); - if (err) - return AE_ERROR; - *value = (result >> 4) & 0x1; - return AE_OK; - } - break; - case ACER_CAP_BRIGHTNESS: - switch (quirks->brightness) { - default: - err = ec_read(0x83, &result); - if (err) - return AE_ERROR; - *value = result; - return AE_OK; - } - break; - default: - return AE_BAD_ADDRESS; - } - return AE_OK; -} - -static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface) -{ - struct wmab_args args; - - args.eax = ACER_AMW0_WRITE; - args.ebx = value ? (1<<8) : 0; - args.ecx = args.edx = 0; - - switch (cap) { - case ACER_CAP_MAILLED: - if (value > 1) - return AE_BAD_PARAMETER; - args.ebx |= ACER_AMW0_MAILLED_MASK; - break; - case ACER_CAP_WIRELESS: - if (value > 1) - return AE_BAD_PARAMETER; - args.ebx |= ACER_AMW0_WIRELESS_MASK; - break; - case ACER_CAP_BLUETOOTH: - if (value > 1) - return AE_BAD_PARAMETER; - args.ebx |= ACER_AMW0_BLUETOOTH_MASK; - break; - case ACER_CAP_BRIGHTNESS: - if (value > max_brightness) - return AE_BAD_PARAMETER; - switch (quirks->brightness) { - default: - return ec_write(0x83, value); - break; - } - default: - return AE_BAD_ADDRESS; - } - - /* Actually do the set */ - return wmab_execute(&args, NULL); -} - -static acpi_status AMW0_find_mailled(void) -{ - struct wmab_args args; - struct wmab_ret ret; - acpi_status status = AE_OK; - struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - - args.eax = 0x86; - args.ebx = args.ecx = args.edx = 0; - - status = wmab_execute(&args, &out); - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) out.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(struct wmab_ret)) { - ret = *((struct wmab_ret *) obj->buffer.pointer); - } else { - return AE_ERROR; - } - - if (ret.eex & 0x1) - interface->capability |= ACER_CAP_MAILLED; - - kfree(out.pointer); - - return AE_OK; -} - -static acpi_status AMW0_set_capabilities(void) -{ - struct wmab_args args; - struct wmab_ret ret; - acpi_status status = AE_OK; - struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - - args.eax = ACER_AMW0_WRITE; - args.ecx = args.edx = 0; - - args.ebx = 0xa2 << 8; - args.ebx |= ACER_AMW0_WIRELESS_MASK; - - status = wmab_execute(&args, &out); - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) out.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(struct wmab_ret)) { - ret = *((struct wmab_ret *) obj->buffer.pointer); - } else { - return AE_ERROR; - } - - if (ret.eax & 0x1) - interface->capability |= ACER_CAP_WIRELESS; - - args.ebx = 2 << 8; - args.ebx |= ACER_AMW0_BLUETOOTH_MASK; - - status = wmab_execute(&args, &out); - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) out.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER - && obj->buffer.length == sizeof(struct wmab_ret)) { - ret = *((struct wmab_ret *) obj->buffer.pointer); - } else { - return AE_ERROR; - } - - if (ret.eax & 0x1) - interface->capability |= ACER_CAP_BLUETOOTH; - - kfree(out.pointer); - - /* - * This appears to be safe to enable, since all Wistron based laptops - * appear to use the same EC register for brightness, even if they - * differ for wireless, etc - */ - interface->capability |= ACER_CAP_BRIGHTNESS; - - return AE_OK; -} - -static struct wmi_interface AMW0_interface = { - .type = ACER_AMW0, -}; - -static struct wmi_interface AMW0_V2_interface = { - .type = ACER_AMW0_V2, -}; - -/* - * New interface (The WMID interface) - */ -static acpi_status -WMI_execute_u32(u32 method_id, u32 in, u32 *out) -{ - struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) }; - struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - u32 tmp; - acpi_status status; - - status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result); - - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) result.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(u32)) { - tmp = *((u32 *) obj->buffer.pointer); - } else { - tmp = 0; - } - - if (out) - *out = tmp; - - kfree(result.pointer); - - return status; -} - -static acpi_status WMID_get_u32(u32 *value, u32 cap, -struct wmi_interface *iface) -{ - acpi_status status; - u8 tmp; - u32 result, method_id = 0; - - switch (cap) { - case ACER_CAP_WIRELESS: - method_id = ACER_WMID_GET_WIRELESS_METHODID; - break; - case ACER_CAP_BLUETOOTH: - method_id = ACER_WMID_GET_BLUETOOTH_METHODID; - break; - case ACER_CAP_BRIGHTNESS: - method_id = ACER_WMID_GET_BRIGHTNESS_METHODID; - break; - case ACER_CAP_THREEG: - method_id = ACER_WMID_GET_THREEG_METHODID; - break; - case ACER_CAP_MAILLED: - if (quirks->mailled == 1) { - ec_read(0x9f, &tmp); - *value = tmp & 0x1; - return 0; - } - default: - return AE_BAD_ADDRESS; - } - status = WMI_execute_u32(method_id, 0, &result); - - if (ACPI_SUCCESS(status)) - *value = (u8)result; - - return status; -} - -static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface) -{ - u32 method_id = 0; - char param; - - switch (cap) { - case ACER_CAP_BRIGHTNESS: - if (value > max_brightness) - return AE_BAD_PARAMETER; - method_id = ACER_WMID_SET_BRIGHTNESS_METHODID; - break; - case ACER_CAP_WIRELESS: - if (value > 1) - return AE_BAD_PARAMETER; - method_id = ACER_WMID_SET_WIRELESS_METHODID; - break; - case ACER_CAP_BLUETOOTH: - if (value > 1) - return AE_BAD_PARAMETER; - method_id = ACER_WMID_SET_BLUETOOTH_METHODID; - break; - case ACER_CAP_THREEG: - if (value > 1) - return AE_BAD_PARAMETER; - method_id = ACER_WMID_SET_THREEG_METHODID; - break; - case ACER_CAP_MAILLED: - if (value > 1) - return AE_BAD_PARAMETER; - if (quirks->mailled == 1) { - param = value ? 0x92 : 0x93; - i8042_command(¶m, 0x1059); - return 0; - } - break; - default: - return AE_BAD_ADDRESS; - } - return WMI_execute_u32(method_id, (u32)value, NULL); -} - -static acpi_status WMID_set_capabilities(void) -{ - struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; - union acpi_object *obj; - acpi_status status; - u32 devices; - - status = wmi_query_block(WMID_GUID2, 1, &out); - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) out.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(u32)) { - devices = *((u32 *) obj->buffer.pointer); - } else { - return AE_ERROR; - } - - /* Not sure on the meaning of the relevant bits yet to detect these */ - interface->capability |= ACER_CAP_WIRELESS; - interface->capability |= ACER_CAP_THREEG; - - /* WMID always provides brightness methods */ - interface->capability |= ACER_CAP_BRIGHTNESS; - - if (devices & 0x10) - interface->capability |= ACER_CAP_BLUETOOTH; - - if (!(devices & 0x20)) - max_brightness = 0x9; - - return status; -} - -static struct wmi_interface wmid_interface = { - .type = ACER_WMID, -}; - -/* - * Generic Device (interface-independent) - */ - -static acpi_status get_u32(u32 *value, u32 cap) -{ - acpi_status status = AE_BAD_ADDRESS; - - switch (interface->type) { - case ACER_AMW0: - status = AMW0_get_u32(value, cap, interface); - break; - case ACER_AMW0_V2: - if (cap == ACER_CAP_MAILLED) { - status = AMW0_get_u32(value, cap, interface); - break; - } - case ACER_WMID: - status = WMID_get_u32(value, cap, interface); - break; - } - - return status; -} - -static acpi_status set_u32(u32 value, u32 cap) -{ - if (interface->capability & cap) { - switch (interface->type) { - case ACER_AMW0: - return AMW0_set_u32(value, cap, interface); - case ACER_AMW0_V2: - case ACER_WMID: - return WMID_set_u32(value, cap, interface); - default: - return AE_BAD_PARAMETER; - } - } - return AE_BAD_PARAMETER; -} - -static void __init acer_commandline_init(void) -{ - /* - * These will all fail silently if the value given is invalid, or the - * capability isn't available on the given interface - */ - set_u32(mailled, ACER_CAP_MAILLED); - set_u32(wireless, ACER_CAP_WIRELESS); - set_u32(bluetooth, ACER_CAP_BLUETOOTH); - set_u32(threeg, ACER_CAP_THREEG); - set_u32(brightness, ACER_CAP_BRIGHTNESS); -} - -/* - * LED device (Mail LED only, no other LEDs known yet) - */ -static void mail_led_set(struct led_classdev *led_cdev, -enum led_brightness value) -{ - set_u32(value, ACER_CAP_MAILLED); -} - -static struct led_classdev mail_led = { - .name = "acer-wmi::mail", - .brightness_set = mail_led_set, -}; - -static int __devinit acer_led_init(struct device *dev) -{ - return led_classdev_register(dev, &mail_led); -} - -static void acer_led_exit(void) -{ - led_classdev_unregister(&mail_led); -} - -/* - * Backlight device - */ -static struct backlight_device *acer_backlight_device; - -static int read_brightness(struct backlight_device *bd) -{ - u32 value; - get_u32(&value, ACER_CAP_BRIGHTNESS); - return value; -} - -static int update_bl_status(struct backlight_device *bd) -{ - set_u32(bd->props.brightness, ACER_CAP_BRIGHTNESS); - return 0; -} - -static struct backlight_ops acer_bl_ops = { - .get_brightness = read_brightness, - .update_status = update_bl_status, -}; - -static int __devinit acer_backlight_init(struct device *dev) -{ - struct backlight_device *bd; - - bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops); - if (IS_ERR(bd)) { - printk(ACER_ERR "Could not register Acer backlight device\n"); - acer_backlight_device = NULL; - return PTR_ERR(bd); - } - - acer_backlight_device = bd; - - bd->props.max_brightness = max_brightness; - bd->props.brightness = read_brightness(NULL); - backlight_update_status(bd); - return 0; -} - -static void acer_backlight_exit(void) -{ - backlight_device_unregister(acer_backlight_device); -} - -/* - * Read/ write bool sysfs macro - */ -#define show_set_bool(value, cap) \ -static ssize_t \ -show_bool_##value(struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - u32 result; \ - acpi_status status = get_u32(&result, cap); \ - if (ACPI_SUCCESS(status)) \ - return sprintf(buf, "%u\n", result); \ - return sprintf(buf, "Read error\n"); \ -} \ -\ -static ssize_t \ -set_bool_##value(struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - u32 tmp = simple_strtoul(buf, NULL, 10); \ - acpi_status status = set_u32(tmp, cap); \ - if (ACPI_FAILURE(status)) \ - return -EINVAL; \ - return count; \ -} \ -static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \ - show_bool_##value, set_bool_##value); - -show_set_bool(wireless, ACER_CAP_WIRELESS); -show_set_bool(bluetooth, ACER_CAP_BLUETOOTH); -show_set_bool(threeg, ACER_CAP_THREEG); - -/* - * Read interface sysfs macro - */ -static ssize_t show_interface(struct device *dev, struct device_attribute *attr, - char *buf) -{ - switch (interface->type) { - case ACER_AMW0: - return sprintf(buf, "AMW0\n"); - case ACER_AMW0_V2: - return sprintf(buf, "AMW0 v2\n"); - case ACER_WMID: - return sprintf(buf, "WMID\n"); - default: - return sprintf(buf, "Error!\n"); - } -} - -static DEVICE_ATTR(interface, S_IWUGO | S_IRUGO | S_IWUSR, - show_interface, NULL); - -/* - * Platform device - */ -static int __devinit acer_platform_probe(struct platform_device *device) -{ - int err; - - if (has_cap(ACER_CAP_MAILLED)) { - err = acer_led_init(&device->dev); - if (err) - goto error_mailled; - } - - if (has_cap(ACER_CAP_BRIGHTNESS)) { - err = acer_backlight_init(&device->dev); - if (err) - goto error_brightness; - } - - return 0; - -error_brightness: - acer_led_exit(); -error_mailled: - return err; -} - -static int acer_platform_remove(struct platform_device *device) -{ - if (has_cap(ACER_CAP_MAILLED)) - acer_led_exit(); - if (has_cap(ACER_CAP_BRIGHTNESS)) - acer_backlight_exit(); - return 0; -} - -static int acer_platform_suspend(struct platform_device *dev, -pm_message_t state) -{ - u32 value; - struct acer_data *data = &interface->data; - - if (!data) - return -ENOMEM; - - if (has_cap(ACER_CAP_WIRELESS)) { - get_u32(&value, ACER_CAP_WIRELESS); - data->wireless = value; - } - - if (has_cap(ACER_CAP_BLUETOOTH)) { - get_u32(&value, ACER_CAP_BLUETOOTH); - data->bluetooth = value; - } - - if (has_cap(ACER_CAP_MAILLED)) { - get_u32(&value, ACER_CAP_MAILLED); - data->mailled = value; - } - - if (has_cap(ACER_CAP_BRIGHTNESS)) { - get_u32(&value, ACER_CAP_BRIGHTNESS); - data->brightness = value; - } - - return 0; -} - -static int acer_platform_resume(struct platform_device *device) -{ - struct acer_data *data = &interface->data; - - if (!data) - return -ENOMEM; - - if (has_cap(ACER_CAP_WIRELESS)) - set_u32(data->wireless, ACER_CAP_WIRELESS); - - if (has_cap(ACER_CAP_BLUETOOTH)) - set_u32(data->bluetooth, ACER_CAP_BLUETOOTH); - - if (has_cap(ACER_CAP_THREEG)) - set_u32(data->threeg, ACER_CAP_THREEG); - - if (has_cap(ACER_CAP_MAILLED)) - set_u32(data->mailled, ACER_CAP_MAILLED); - - if (has_cap(ACER_CAP_BRIGHTNESS)) - set_u32(data->brightness, ACER_CAP_BRIGHTNESS); - - return 0; -} - -static struct platform_driver acer_platform_driver = { - .driver = { - .name = "acer-wmi", - .owner = THIS_MODULE, - }, - .probe = acer_platform_probe, - .remove = acer_platform_remove, - .suspend = acer_platform_suspend, - .resume = acer_platform_resume, -}; - -static struct platform_device *acer_platform_device; - -static int remove_sysfs(struct platform_device *device) -{ - if (has_cap(ACER_CAP_WIRELESS)) - device_remove_file(&device->dev, &dev_attr_wireless); - - if (has_cap(ACER_CAP_BLUETOOTH)) - device_remove_file(&device->dev, &dev_attr_bluetooth); - - if (has_cap(ACER_CAP_THREEG)) - device_remove_file(&device->dev, &dev_attr_threeg); - - device_remove_file(&device->dev, &dev_attr_interface); - - return 0; -} - -static int create_sysfs(void) -{ - int retval = -ENOMEM; - - if (has_cap(ACER_CAP_WIRELESS)) { - retval = device_create_file(&acer_platform_device->dev, - &dev_attr_wireless); - if (retval) - goto error_sysfs; - } - - if (has_cap(ACER_CAP_BLUETOOTH)) { - retval = device_create_file(&acer_platform_device->dev, - &dev_attr_bluetooth); - if (retval) - goto error_sysfs; - } - - if (has_cap(ACER_CAP_THREEG)) { - retval = device_create_file(&acer_platform_device->dev, - &dev_attr_threeg); - if (retval) - goto error_sysfs; - } - - retval = device_create_file(&acer_platform_device->dev, - &dev_attr_interface); - if (retval) - goto error_sysfs; - - return 0; - -error_sysfs: - remove_sysfs(acer_platform_device); - return retval; -} - -static int __init acer_wmi_init(void) -{ - int err; - - printk(ACER_INFO "Acer Laptop ACPI-WMI Extras version %s\n", - ACER_WMI_VERSION); - - /* - * Detect which ACPI-WMI interface we're using. - */ - if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) - interface = &AMW0_V2_interface; - - if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) - interface = &wmid_interface; - - if (wmi_has_guid(WMID_GUID2) && interface) { - if (ACPI_FAILURE(WMID_set_capabilities())) { - printk(ACER_ERR "Unable to detect available WMID " - "devices\n"); - return -ENODEV; - } - } else if (!wmi_has_guid(WMID_GUID2) && interface) { - printk(ACER_ERR "No WMID device detection method found\n"); - return -ENODEV; - } - - if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) { - interface = &AMW0_interface; - - if (ACPI_FAILURE(AMW0_set_capabilities())) { - printk(ACER_ERR "Unable to detect available AMW0 " - "devices\n"); - return -ENODEV; - } - } - - if (wmi_has_guid(AMW0_GUID1)) - AMW0_find_mailled(); - - find_quirks(); - - if (!interface) { - printk(ACER_ERR "No or unsupported WMI interface, unable to " - "load\n"); - return -ENODEV; - } - - if (platform_driver_register(&acer_platform_driver)) { - printk(ACER_ERR "Unable to register platform driver.\n"); - goto error_platform_register; - } - acer_platform_device = platform_device_alloc("acer-wmi", -1); - platform_device_add(acer_platform_device); - - err = create_sysfs(); - if (err) - return err; - - /* Override any initial settings with values from the commandline */ - acer_commandline_init(); - - return 0; - -error_platform_register: - return -ENODEV; -} - -static void __exit acer_wmi_exit(void) -{ - remove_sysfs(acer_platform_device); - platform_device_del(acer_platform_device); - platform_driver_unregister(&acer_platform_driver); - - printk(ACER_INFO "Acer Laptop WMI Extras unloaded\n"); - return; -} - -module_init(acer_wmi_init); -module_exit(acer_wmi_exit); 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