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path: root/drivers/platform/x86/acer-wmi.c
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Diffstat (limited to 'drivers/platform/x86/acer-wmi.c')
-rw-r--r--drivers/platform/x86/acer-wmi.c488
1 files changed, 264 insertions, 224 deletions
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index af2bb20cb2fb..b848277171a4 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -190,6 +190,7 @@ enum interface_flags {
ACER_AMW0,
ACER_AMW0_V2,
ACER_WMID,
+ ACER_WMID_v2,
};
#define ACER_DEFAULT_WIRELESS 0
@@ -205,6 +206,7 @@ static int threeg = -1;
static int force_series;
static bool ec_raw_mode;
static bool has_type_aa;
+static u16 commun_func_bitmap;
module_param(mailled, int, 0444);
module_param(brightness, int, 0444);
@@ -464,6 +466,15 @@ static struct dmi_system_id acer_quirks[] = {
},
.driver_data = &quirk_lenovo_ideapad_s205,
},
+ {
+ .callback = dmi_matched,
+ .ident = "Lenovo 3000 N200",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
+ },
+ .driver_data = &quirk_fujitsu_amilo_li_1718,
+ },
{}
};
@@ -868,6 +879,174 @@ static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
return WMI_execute_u32(method_id, (u32)value, NULL);
}
+static acpi_status wmid3_get_device_status(u32 *value, u16 device)
+{
+ struct wmid3_gds_return_value return_value;
+ acpi_status status;
+ union acpi_object *obj;
+ struct wmid3_gds_input_param params = {
+ .function_num = 0x1,
+ .hotkey_number = 0x01,
+ .devices = device,
+ };
+ struct acpi_buffer input = {
+ sizeof(struct wmid3_gds_input_param),
+ &params
+ };
+ struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
+
+ status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
+ if (ACPI_FAILURE(status))
+ return status;
+
+ obj = output.pointer;
+
+ if (!obj)
+ return AE_ERROR;
+ else if (obj->type != ACPI_TYPE_BUFFER) {
+ kfree(obj);
+ return AE_ERROR;
+ }
+ if (obj->buffer.length != 8) {
+ pr_warn("Unknown buffer length %d\n", obj->buffer.length);
+ kfree(obj);
+ return AE_ERROR;
+ }
+
+ return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
+ kfree(obj);
+
+ if (return_value.error_code || return_value.ec_return_value)
+ pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
+ device,
+ return_value.error_code,
+ return_value.ec_return_value);
+ else
+ *value = !!(return_value.devices & device);
+
+ return status;
+}
+
+static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
+{
+ u16 device;
+
+ switch (cap) {
+ case ACER_CAP_WIRELESS:
+ device = ACER_WMID3_GDS_WIRELESS;
+ break;
+ case ACER_CAP_BLUETOOTH:
+ device = ACER_WMID3_GDS_BLUETOOTH;
+ break;
+ case ACER_CAP_THREEG:
+ device = ACER_WMID3_GDS_THREEG;
+ break;
+ default:
+ return AE_ERROR;
+ }
+ return wmid3_get_device_status(value, device);
+}
+
+static acpi_status wmid3_set_device_status(u32 value, u16 device)
+{
+ struct wmid3_gds_return_value return_value;
+ acpi_status status;
+ union acpi_object *obj;
+ u16 devices;
+ struct wmid3_gds_input_param params = {
+ .function_num = 0x1,
+ .hotkey_number = 0x01,
+ .devices = commun_func_bitmap,
+ };
+ struct acpi_buffer input = {
+ sizeof(struct wmid3_gds_input_param),
+ &params
+ };
+ struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
+
+ status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
+ if (ACPI_FAILURE(status))
+ return status;
+
+ obj = output.pointer;
+
+ if (!obj)
+ return AE_ERROR;
+ else if (obj->type != ACPI_TYPE_BUFFER) {
+ kfree(obj);
+ return AE_ERROR;
+ }
+ if (obj->buffer.length != 8) {
+ pr_warning("Unknown buffer length %d\n", obj->buffer.length);
+ kfree(obj);
+ return AE_ERROR;
+ }
+
+ return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
+ kfree(obj);
+
+ if (return_value.error_code || return_value.ec_return_value) {
+ pr_warning("Get Current Device Status failed: "
+ "0x%x - 0x%x\n", return_value.error_code,
+ return_value.ec_return_value);
+ return status;
+ }
+
+ devices = return_value.devices;
+ params.function_num = 0x2;
+ params.hotkey_number = 0x01;
+ params.devices = (value) ? (devices | device) : (devices & ~device);
+
+ status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output2);
+ if (ACPI_FAILURE(status))
+ return status;
+
+ obj = output2.pointer;
+
+ if (!obj)
+ return AE_ERROR;
+ else if (obj->type != ACPI_TYPE_BUFFER) {
+ kfree(obj);
+ return AE_ERROR;
+ }
+ if (obj->buffer.length != 4) {
+ pr_warning("Unknown buffer length %d\n", obj->buffer.length);
+ kfree(obj);
+ return AE_ERROR;
+ }
+
+ return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
+ kfree(obj);
+
+ if (return_value.error_code || return_value.ec_return_value)
+ pr_warning("Set Device Status failed: "
+ "0x%x - 0x%x\n", return_value.error_code,
+ return_value.ec_return_value);
+
+ return status;
+}
+
+static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
+{
+ u16 device;
+
+ switch (cap) {
+ case ACER_CAP_WIRELESS:
+ device = ACER_WMID3_GDS_WIRELESS;
+ break;
+ case ACER_CAP_BLUETOOTH:
+ device = ACER_WMID3_GDS_BLUETOOTH;
+ break;
+ case ACER_CAP_THREEG:
+ device = ACER_WMID3_GDS_THREEG;
+ break;
+ default:
+ return AE_ERROR;
+ }
+ return wmid3_set_device_status(value, device);
+}
+
static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
{
struct hotkey_function_type_aa *type_aa;
@@ -881,6 +1060,7 @@ static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
pr_info("Function bitmap for Communication Button: 0x%x\n",
type_aa->commun_func_bitmap);
+ commun_func_bitmap = type_aa->commun_func_bitmap;
if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
interface->capability |= ACER_CAP_WIRELESS;
@@ -913,17 +1093,13 @@ static acpi_status WMID_set_capabilities(void)
return AE_ERROR;
}
- dmi_walk(type_aa_dmi_decode, NULL);
- if (!has_type_aa) {
+ pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
+ if (devices & 0x07)
interface->capability |= ACER_CAP_WIRELESS;
- if (devices & 0x40)
- interface->capability |= ACER_CAP_THREEG;
- if (devices & 0x10)
- interface->capability |= ACER_CAP_BLUETOOTH;
- }
-
- /* WMID always provides brightness methods */
- interface->capability |= ACER_CAP_BRIGHTNESS;
+ if (devices & 0x40)
+ interface->capability |= ACER_CAP_THREEG;
+ if (devices & 0x10)
+ interface->capability |= ACER_CAP_BLUETOOTH;
if (!(devices & 0x20))
max_brightness = 0x9;
@@ -936,6 +1112,10 @@ static struct wmi_interface wmid_interface = {
.type = ACER_WMID,
};
+static struct wmi_interface wmid_v2_interface = {
+ .type = ACER_WMID_v2,
+};
+
/*
* Generic Device (interface-independent)
*/
@@ -956,6 +1136,14 @@ static acpi_status get_u32(u32 *value, u32 cap)
case ACER_WMID:
status = WMID_get_u32(value, cap, interface);
break;
+ case ACER_WMID_v2:
+ if (cap & (ACER_CAP_WIRELESS |
+ ACER_CAP_BLUETOOTH |
+ ACER_CAP_THREEG))
+ status = wmid_v2_get_u32(value, cap);
+ else if (wmi_has_guid(WMID_GUID2))
+ status = WMID_get_u32(value, cap, interface);
+ break;
}
return status;
@@ -989,6 +1177,13 @@ static acpi_status set_u32(u32 value, u32 cap)
}
case ACER_WMID:
return WMID_set_u32(value, cap, interface);
+ case ACER_WMID_v2:
+ if (cap & (ACER_CAP_WIRELESS |
+ ACER_CAP_BLUETOOTH |
+ ACER_CAP_THREEG))
+ return wmid_v2_set_u32(value, cap);
+ else if (wmi_has_guid(WMID_GUID2))
+ return WMID_set_u32(value, cap, interface);
default:
return AE_BAD_PARAMETER;
}
@@ -1095,186 +1290,6 @@ static void acer_backlight_exit(void)
backlight_device_unregister(acer_backlight_device);
}
-static acpi_status wmid3_get_device_status(u32 *value, u16 device)
-{
- struct wmid3_gds_return_value return_value;
- acpi_status status;
- union acpi_object *obj;
- struct wmid3_gds_input_param params = {
- .function_num = 0x1,
- .hotkey_number = 0x01,
- .devices = device,
- };
- struct acpi_buffer input = {
- sizeof(struct wmid3_gds_input_param),
- &params
- };
- struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
-
- status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
- if (ACPI_FAILURE(status))
- return status;
-
- obj = output.pointer;
-
- if (!obj)
- return AE_ERROR;
- else if (obj->type != ACPI_TYPE_BUFFER) {
- kfree(obj);
- return AE_ERROR;
- }
- if (obj->buffer.length != 8) {
- pr_warn("Unknown buffer length %d\n", obj->buffer.length);
- kfree(obj);
- return AE_ERROR;
- }
-
- return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
- kfree(obj);
-
- if (return_value.error_code || return_value.ec_return_value)
- pr_warn("Get Device Status failed: 0x%x - 0x%x\n",
- return_value.error_code,
- return_value.ec_return_value);
- else
- *value = !!(return_value.devices & device);
-
- return status;
-}
-
-static acpi_status get_device_status(u32 *value, u32 cap)
-{
- if (wmi_has_guid(WMID_GUID3)) {
- u16 device;
-
- switch (cap) {
- case ACER_CAP_WIRELESS:
- device = ACER_WMID3_GDS_WIRELESS;
- break;
- case ACER_CAP_BLUETOOTH:
- device = ACER_WMID3_GDS_BLUETOOTH;
- break;
- case ACER_CAP_THREEG:
- device = ACER_WMID3_GDS_THREEG;
- break;
- default:
- return AE_ERROR;
- }
- return wmid3_get_device_status(value, device);
-
- } else {
- return get_u32(value, cap);
- }
-}
-
-static acpi_status wmid3_set_device_status(u32 value, u16 device)
-{
- struct wmid3_gds_return_value return_value;
- acpi_status status;
- union acpi_object *obj;
- u16 devices;
- struct wmid3_gds_input_param params = {
- .function_num = 0x1,
- .hotkey_number = 0x01,
- .devices = ACER_WMID3_GDS_WIRELESS |
- ACER_WMID3_GDS_THREEG |
- ACER_WMID3_GDS_WIMAX |
- ACER_WMID3_GDS_BLUETOOTH,
- };
- struct acpi_buffer input = {
- sizeof(struct wmid3_gds_input_param),
- &params
- };
- struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
- struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
-
- status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
- if (ACPI_FAILURE(status))
- return status;
-
- obj = output.pointer;
-
- if (!obj)
- return AE_ERROR;
- else if (obj->type != ACPI_TYPE_BUFFER) {
- kfree(obj);
- return AE_ERROR;
- }
- if (obj->buffer.length != 8) {
- pr_warning("Unknown buffer length %d\n", obj->buffer.length);
- kfree(obj);
- return AE_ERROR;
- }
-
- return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
- kfree(obj);
-
- if (return_value.error_code || return_value.ec_return_value) {
- pr_warning("Get Current Device Status failed: "
- "0x%x - 0x%x\n", return_value.error_code,
- return_value.ec_return_value);
- return status;
- }
-
- devices = return_value.devices;
- params.function_num = 0x2;
- params.hotkey_number = 0x01;
- params.devices = (value) ? (devices | device) : (devices & ~device);
-
- status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output2);
- if (ACPI_FAILURE(status))
- return status;
-
- obj = output2.pointer;
-
- if (!obj)
- return AE_ERROR;
- else if (obj->type != ACPI_TYPE_BUFFER) {
- kfree(obj);
- return AE_ERROR;
- }
- if (obj->buffer.length != 4) {
- pr_warning("Unknown buffer length %d\n", obj->buffer.length);
- kfree(obj);
- return AE_ERROR;
- }
-
- return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
- kfree(obj);
-
- if (return_value.error_code || return_value.ec_return_value)
- pr_warning("Set Device Status failed: "
- "0x%x - 0x%x\n", return_value.error_code,
- return_value.ec_return_value);
-
- return status;
-}
-
-static acpi_status set_device_status(u32 value, u32 cap)
-{
- if (wmi_has_guid(WMID_GUID3)) {
- u16 device;
-
- switch (cap) {
- case ACER_CAP_WIRELESS:
- device = ACER_WMID3_GDS_WIRELESS;
- break;
- case ACER_CAP_BLUETOOTH:
- device = ACER_WMID3_GDS_BLUETOOTH;
- break;
- case ACER_CAP_THREEG:
- device = ACER_WMID3_GDS_THREEG;
- break;
- default:
- return AE_ERROR;
- }
- return wmid3_set_device_status(value, device);
-
- } else {
- return set_u32(value, cap);
- }
-}
-
/*
* Rfkill devices
*/
@@ -1285,12 +1300,13 @@ static void acer_rfkill_update(struct work_struct *ignored)
u32 state;
acpi_status status;
- status = get_u32(&state, ACER_CAP_WIRELESS);
- if (ACPI_SUCCESS(status)) {
- if (quirks->wireless == 3) {
- rfkill_set_hw_state(wireless_rfkill, !state);
- } else {
- rfkill_set_sw_state(wireless_rfkill, !state);
+ if (has_cap(ACER_CAP_WIRELESS)) {
+ status = get_u32(&state, ACER_CAP_WIRELESS);
+ if (ACPI_SUCCESS(status)) {
+ if (quirks->wireless == 3)
+ rfkill_set_hw_state(wireless_rfkill, !state);
+ else
+ rfkill_set_sw_state(wireless_rfkill, !state);
}
}
@@ -1301,8 +1317,7 @@ static void acer_rfkill_update(struct work_struct *ignored)
}
if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
- status = wmid3_get_device_status(&state,
- ACER_WMID3_GDS_THREEG);
+ status = get_u32(&state, ACER_WMID3_GDS_THREEG);
if (ACPI_SUCCESS(status))
rfkill_set_sw_state(threeg_rfkill, !state);
}
@@ -1316,7 +1331,7 @@ static int acer_rfkill_set(void *data, bool blocked)
u32 cap = (unsigned long)data;
if (rfkill_inited) {
- status = set_device_status(!blocked, cap);
+ status = set_u32(!blocked, cap);
if (ACPI_FAILURE(status))
return -ENODEV;
}
@@ -1343,7 +1358,7 @@ static struct rfkill *acer_rfkill_register(struct device *dev,
if (!rfkill_dev)
return ERR_PTR(-ENOMEM);
- status = get_device_status(&state, cap);
+ status = get_u32(&state, cap);
err = rfkill_register(rfkill_dev);
if (err) {
@@ -1359,19 +1374,24 @@ static struct rfkill *acer_rfkill_register(struct device *dev,
static int acer_rfkill_init(struct device *dev)
{
- wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
- "acer-wireless", ACER_CAP_WIRELESS);
- if (IS_ERR(wireless_rfkill))
- return PTR_ERR(wireless_rfkill);
+ int err;
+
+ if (has_cap(ACER_CAP_WIRELESS)) {
+ wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
+ "acer-wireless", ACER_CAP_WIRELESS);
+ if (IS_ERR(wireless_rfkill)) {
+ err = PTR_ERR(wireless_rfkill);
+ goto error_wireless;
+ }
+ }
if (has_cap(ACER_CAP_BLUETOOTH)) {
bluetooth_rfkill = acer_rfkill_register(dev,
RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
ACER_CAP_BLUETOOTH);
if (IS_ERR(bluetooth_rfkill)) {
- rfkill_unregister(wireless_rfkill);
- rfkill_destroy(wireless_rfkill);
- return PTR_ERR(bluetooth_rfkill);
+ err = PTR_ERR(bluetooth_rfkill);
+ goto error_bluetooth;
}
}
@@ -1380,30 +1400,44 @@ static int acer_rfkill_init(struct device *dev)
RFKILL_TYPE_WWAN, "acer-threeg",
ACER_CAP_THREEG);
if (IS_ERR(threeg_rfkill)) {
- rfkill_unregister(wireless_rfkill);
- rfkill_destroy(wireless_rfkill);
- rfkill_unregister(bluetooth_rfkill);
- rfkill_destroy(bluetooth_rfkill);
- return PTR_ERR(threeg_rfkill);
+ err = PTR_ERR(threeg_rfkill);
+ goto error_threeg;
}
}
rfkill_inited = true;
- if (ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID))
+ if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
+ has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
schedule_delayed_work(&acer_rfkill_work,
round_jiffies_relative(HZ));
return 0;
+
+error_threeg:
+ if (has_cap(ACER_CAP_BLUETOOTH)) {
+ rfkill_unregister(bluetooth_rfkill);
+ rfkill_destroy(bluetooth_rfkill);
+ }
+error_bluetooth:
+ if (has_cap(ACER_CAP_WIRELESS)) {
+ rfkill_unregister(wireless_rfkill);
+ rfkill_destroy(wireless_rfkill);
+ }
+error_wireless:
+ return err;
}
static void acer_rfkill_exit(void)
{
- if (ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID))
+ if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
+ has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
cancel_delayed_work_sync(&acer_rfkill_work);
- rfkill_unregister(wireless_rfkill);
- rfkill_destroy(wireless_rfkill);
+ if (has_cap(ACER_CAP_WIRELESS)) {
+ rfkill_unregister(wireless_rfkill);
+ rfkill_destroy(wireless_rfkill);
+ }
if (has_cap(ACER_CAP_BLUETOOTH)) {
rfkill_unregister(bluetooth_rfkill);
@@ -1428,11 +1462,7 @@ static ssize_t show_bool_threeg(struct device *dev,
pr_info("This threeg sysfs will be removed in 2012"
" - used by: %s\n", current->comm);
- if (wmi_has_guid(WMID_GUID3))
- status = wmid3_get_device_status(&result,
- ACER_WMID3_GDS_THREEG);
- else
- status = get_u32(&result, ACER_CAP_THREEG);
+ status = get_u32(&result, ACER_CAP_THREEG);
if (ACPI_SUCCESS(status))
return sprintf(buf, "%u\n", result);
return sprintf(buf, "Read error\n");
@@ -1464,6 +1494,8 @@ static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "AMW0 v2\n");
case ACER_WMID:
return sprintf(buf, "WMID\n");
+ case ACER_WMID_v2:
+ return sprintf(buf, "WMID v2\n");
default:
return sprintf(buf, "Error!\n");
}
@@ -1883,12 +1915,20 @@ static int __init acer_wmi_init(void)
if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
interface = &wmid_interface;
+ if (wmi_has_guid(WMID_GUID3))
+ interface = &wmid_v2_interface;
+
+ if (interface)
+ dmi_walk(type_aa_dmi_decode, NULL);
+
if (wmi_has_guid(WMID_GUID2) && interface) {
- if (ACPI_FAILURE(WMID_set_capabilities())) {
+ if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
pr_err("Unable to detect available WMID devices\n");
return -ENODEV;
}
- } else if (!wmi_has_guid(WMID_GUID2) && interface) {
+ /* WMID always provides brightness methods */
+ interface->capability |= ACER_CAP_BRIGHTNESS;
+ } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
pr_err("No WMID device detection method found\n");
return -ENODEV;
}
@@ -1912,7 +1952,7 @@ static int __init acer_wmi_init(void)
set_quirks();
- if (acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
+ if (acpi_video_backlight_support()) {
interface->capability &= ~ACER_CAP_BRIGHTNESS;
pr_info("Brightness must be controlled by "
"generic video driver\n");