#define ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS 0x85
#define ACPI_VIDEO_NOTIFY_DISPLAY_OFF 0x86
-
#define ACPI_VIDEO_HEAD_INVALID (~0u - 1)
#define ACPI_VIDEO_HEAD_END (~0u)
-
#define _COMPONENT ACPI_VIDEO_COMPONENT
-ACPI_MODULE_NAME ("acpi_video")
+ACPI_MODULE_NAME("acpi_video")
-MODULE_AUTHOR("Bruno Ducrot");
+ MODULE_AUTHOR("Bruno Ducrot");
MODULE_DESCRIPTION(ACPI_VIDEO_DRIVER_NAME);
MODULE_LICENSE("GPL");
-static int acpi_video_bus_add (struct acpi_device *device);
-static int acpi_video_bus_remove (struct acpi_device *device, int type);
-static int acpi_video_bus_match (struct acpi_device *device, struct acpi_driver *driver);
+static int acpi_video_bus_add(struct acpi_device *device);
+static int acpi_video_bus_remove(struct acpi_device *device, int type);
+static int acpi_video_bus_match(struct acpi_device *device,
+ struct acpi_driver *driver);
static struct acpi_driver acpi_video_bus = {
.name = ACPI_VIDEO_DRIVER_NAME,
.add = acpi_video_bus_add,
.remove = acpi_video_bus_remove,
.match = acpi_video_bus_match,
- },
+ },
};
struct acpi_video_bus_flags {
- u8 multihead:1; /* can switch video heads */
- u8 rom:1; /* can retrieve a video rom */
- u8 post:1; /* can configure the head to */
- u8 reserved:5;
+ u8 multihead:1; /* can switch video heads */
+ u8 rom:1; /* can retrieve a video rom */
+ u8 post:1; /* can configure the head to */
+ u8 reserved:5;
};
struct acpi_video_bus_cap {
- u8 _DOS:1; /*Enable/Disable output switching*/
- u8 _DOD:1; /*Enumerate all devices attached to display adapter*/
- u8 _ROM:1; /*Get ROM Data*/
- u8 _GPD:1; /*Get POST Device*/
- u8 _SPD:1; /*Set POST Device*/
- u8 _VPO:1; /*Video POST Options*/
- u8 reserved:2;
+ u8 _DOS:1; /*Enable/Disable output switching */
+ u8 _DOD:1; /*Enumerate all devices attached to display adapter */
+ u8 _ROM:1; /*Get ROM Data */
+ u8 _GPD:1; /*Get POST Device */
+ u8 _SPD:1; /*Set POST Device */
+ u8 _VPO:1; /*Video POST Options */
+ u8 reserved:2;
};
-struct acpi_video_device_attrib{
- u32 display_index:4; /* A zero-based instance of the Display*/
- u32 display_port_attachment:4; /*This field differenates displays type*/
- u32 display_type:4; /*Describe the specific type in use*/
- u32 vendor_specific:4; /*Chipset Vendor Specifi*/
- u32 bios_can_detect:1; /*BIOS can detect the device*/
- u32 depend_on_vga:1; /*Non-VGA output device whose power is related to
- the VGA device.*/
- u32 pipe_id:3; /*For VGA multiple-head devices.*/
- u32 reserved:10; /*Must be 0*/
- u32 device_id_scheme:1; /*Device ID Scheme*/
+struct acpi_video_device_attrib {
+ u32 display_index:4; /* A zero-based instance of the Display */
+ u32 display_port_attachment:4; /*This field differenates displays type */
+ u32 display_type:4; /*Describe the specific type in use */
+ u32 vendor_specific:4; /*Chipset Vendor Specifi */
+ u32 bios_can_detect:1; /*BIOS can detect the device */
+ u32 depend_on_vga:1; /*Non-VGA output device whose power is related to
+ the VGA device. */
+ u32 pipe_id:3; /*For VGA multiple-head devices. */
+ u32 reserved:10; /*Must be 0 */
+ u32 device_id_scheme:1; /*Device ID Scheme */
};
struct acpi_video_enumerated_device {
union {
u32 int_val;
- struct acpi_video_device_attrib attrib;
+ struct acpi_video_device_attrib attrib;
} value;
struct acpi_video_device *bind_info;
};
struct acpi_video_bus {
- acpi_handle handle;
- u8 dos_setting;
+ acpi_handle handle;
+ u8 dos_setting;
struct acpi_video_enumerated_device *attached_array;
- u8 attached_count;
- struct acpi_video_bus_cap cap;
+ u8 attached_count;
+ struct acpi_video_bus_cap cap;
struct acpi_video_bus_flags flags;
- struct semaphore sem;
- struct list_head video_device_list;
- struct proc_dir_entry *dir;
+ struct semaphore sem;
+ struct list_head video_device_list;
+ struct proc_dir_entry *dir;
};
struct acpi_video_device_flags {
- u8 crt:1;
- u8 lcd:1;
- u8 tvout:1;
- u8 bios:1;
- u8 unknown:1;
- u8 reserved:3;
+ u8 crt:1;
+ u8 lcd:1;
+ u8 tvout:1;
+ u8 bios:1;
+ u8 unknown:1;
+ u8 reserved:3;
};
struct acpi_video_device_cap {
- u8 _ADR:1; /*Return the unique ID */
- u8 _BCL:1; /*Query list of brightness control levels supported*/
- u8 _BCM:1; /*Set the brightness level*/
- u8 _DDC:1; /*Return the EDID for this device*/
- u8 _DCS:1; /*Return status of output device*/
- u8 _DGS:1; /*Query graphics state*/
- u8 _DSS:1; /*Device state set*/
- u8 _reserved:1;
+ u8 _ADR:1; /*Return the unique ID */
+ u8 _BCL:1; /*Query list of brightness control levels supported */
+ u8 _BCM:1; /*Set the brightness level */
+ u8 _DDC:1; /*Return the EDID for this device */
+ u8 _DCS:1; /*Return status of output device */
+ u8 _DGS:1; /*Query graphics state */
+ u8 _DSS:1; /*Device state set */
+ u8 _reserved:1;
};
struct acpi_video_device_brightness {
- int curr;
- int count;
- int *levels;
+ int curr;
+ int count;
+ int *levels;
};
struct acpi_video_device {
- acpi_handle handle;
- unsigned long device_id;
- struct acpi_video_device_flags flags;
- struct acpi_video_device_cap cap;
- struct list_head entry;
- struct acpi_video_bus *video;
- struct acpi_device *dev;
+ acpi_handle handle;
+ unsigned long device_id;
+ struct acpi_video_device_flags flags;
+ struct acpi_video_device_cap cap;
+ struct list_head entry;
+ struct acpi_video_bus *video;
+ struct acpi_device *dev;
struct acpi_video_device_brightness *brightness;
};
-
/* bus */
static int acpi_video_bus_info_open_fs(struct inode *inode, struct file *file);
static struct file_operations acpi_video_bus_info_fops = {
- .open = acpi_video_bus_info_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .open = acpi_video_bus_info_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file);
static struct file_operations acpi_video_bus_ROM_fops = {
- .open = acpi_video_bus_ROM_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .open = acpi_video_bus_ROM_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-static int acpi_video_bus_POST_info_open_fs(struct inode *inode, struct file *file);
+static int acpi_video_bus_POST_info_open_fs(struct inode *inode,
+ struct file *file);
static struct file_operations acpi_video_bus_POST_info_fops = {
- .open = acpi_video_bus_POST_info_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .open = acpi_video_bus_POST_info_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
static int acpi_video_bus_POST_open_fs(struct inode *inode, struct file *file);
static struct file_operations acpi_video_bus_POST_fops = {
- .open = acpi_video_bus_POST_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .open = acpi_video_bus_POST_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-
static int acpi_video_bus_DOS_open_fs(struct inode *inode, struct file *file);
static struct file_operations acpi_video_bus_DOS_fops = {
- .open = acpi_video_bus_DOS_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .open = acpi_video_bus_DOS_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
/* device */
-static int acpi_video_device_info_open_fs(struct inode *inode, struct file *file);
+static int acpi_video_device_info_open_fs(struct inode *inode,
+ struct file *file);
static struct file_operations acpi_video_device_info_fops = {
- .open = acpi_video_device_info_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .open = acpi_video_device_info_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-static int acpi_video_device_state_open_fs(struct inode *inode, struct file *file);
+static int acpi_video_device_state_open_fs(struct inode *inode,
+ struct file *file);
static struct file_operations acpi_video_device_state_fops = {
- .open = acpi_video_device_state_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .open = acpi_video_device_state_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-static int acpi_video_device_brightness_open_fs(struct inode *inode, struct file *file);
+static int acpi_video_device_brightness_open_fs(struct inode *inode,
+ struct file *file);
static struct file_operations acpi_video_device_brightness_fops = {
- .open = acpi_video_device_brightness_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .open = acpi_video_device_brightness_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-static int acpi_video_device_EDID_open_fs(struct inode *inode, struct file *file);
+static int acpi_video_device_EDID_open_fs(struct inode *inode,
+ struct file *file);
static struct file_operations acpi_video_device_EDID_fops = {
- .open = acpi_video_device_EDID_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
+ .open = acpi_video_device_EDID_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-static char device_decode[][30] = {
+static char device_decode[][30] = {
"motherboard VGA device",
"PCI VGA device",
"AGP VGA device",
"UNKNOWN",
};
-static void acpi_video_device_notify ( acpi_handle handle, u32 event, void *data);
-static void acpi_video_device_rebind( struct acpi_video_bus *video);
-static void acpi_video_device_bind( struct acpi_video_bus *video, struct acpi_video_device *device);
+static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data);
+static void acpi_video_device_rebind(struct acpi_video_bus *video);
+static void acpi_video_device_bind(struct acpi_video_bus *video,
+ struct acpi_video_device *device);
static int acpi_video_device_enumerate(struct acpi_video_bus *video);
-static int acpi_video_switch_output( struct acpi_video_bus *video, int event);
-static int acpi_video_get_next_level( struct acpi_video_device *device, u32 level_current,u32 event);
-static void acpi_video_switch_brightness ( struct acpi_video_device *device, int event);
-
+static int acpi_video_switch_output(struct acpi_video_bus *video, int event);
+static int acpi_video_get_next_level(struct acpi_video_device *device,
+ u32 level_current, u32 event);
+static void acpi_video_switch_brightness(struct acpi_video_device *device,
+ int event);
/* --------------------------------------------------------------------------
Video Management
/* device */
static int
-acpi_video_device_query (
- struct acpi_video_device *device,
- unsigned long *state)
+acpi_video_device_query(struct acpi_video_device *device, unsigned long *state)
{
- int status;
+ int status;
ACPI_FUNCTION_TRACE("acpi_video_device_query");
status = acpi_evaluate_integer(device->handle, "_DGS", NULL, state);
}
static int
-acpi_video_device_get_state (
- struct acpi_video_device *device,
- unsigned long *state)
+acpi_video_device_get_state(struct acpi_video_device *device,
+ unsigned long *state)
{
- int status;
+ int status;
ACPI_FUNCTION_TRACE("acpi_video_device_get_state");
}
static int
-acpi_video_device_set_state (
- struct acpi_video_device *device,
- int state)
+acpi_video_device_set_state(struct acpi_video_device *device, int state)
{
- int status;
- union acpi_object arg0 = {ACPI_TYPE_INTEGER};
- struct acpi_object_list args = {1, &arg0};
+ int status;
+ union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+ struct acpi_object_list args = { 1, &arg0 };
+ unsigned long ret;
ACPI_FUNCTION_TRACE("acpi_video_device_set_state");
arg0.integer.value = state;
- status = acpi_evaluate_integer(device->handle, "_DSS", &args, NULL);
+ status = acpi_evaluate_integer(device->handle, "_DSS", &args, &ret);
return_VALUE(status);
}
static int
-acpi_video_device_lcd_query_levels (
- struct acpi_video_device *device,
- union acpi_object **levels)
+acpi_video_device_lcd_query_levels(struct acpi_video_device *device,
+ union acpi_object **levels)
{
- int status;
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
- union acpi_object *obj;
-
+ int status;
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
ACPI_FUNCTION_TRACE("acpi_video_device_lcd_query_levels");
status = acpi_evaluate_object(device->handle, "_BCL", NULL, &buffer);
if (!ACPI_SUCCESS(status))
return_VALUE(status);
- obj = (union acpi_object *) buffer.pointer;
+ obj = (union acpi_object *)buffer.pointer;
if (!obj && (obj->type != ACPI_TYPE_PACKAGE)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _BCL data\n"));
status = -EFAULT;
return_VALUE(0);
-err:
+ err:
if (buffer.pointer)
kfree(buffer.pointer);
}
static int
-acpi_video_device_lcd_set_level (
- struct acpi_video_device *device,
- int level)
+acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level)
{
- int status;
- union acpi_object arg0 = {ACPI_TYPE_INTEGER};
- struct acpi_object_list args = {1, &arg0};
+ int status;
+ union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+ struct acpi_object_list args = { 1, &arg0 };
ACPI_FUNCTION_TRACE("acpi_video_device_lcd_set_level");
}
static int
-acpi_video_device_lcd_get_level_current (
- struct acpi_video_device *device,
- unsigned long *level)
+acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
+ unsigned long *level)
{
- int status;
+ int status;
ACPI_FUNCTION_TRACE("acpi_video_device_lcd_get_level_current");
status = acpi_evaluate_integer(device->handle, "_BQC", NULL, level);
}
static int
-acpi_video_device_EDID (
- struct acpi_video_device *device,
- union acpi_object **edid,
- ssize_t length)
+acpi_video_device_EDID(struct acpi_video_device *device,
+ union acpi_object **edid, ssize_t length)
{
- int status;
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
- union acpi_object *obj;
- union acpi_object arg0 = {ACPI_TYPE_INTEGER};
- struct acpi_object_list args = {1, &arg0};
+ int status;
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
+ union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+ struct acpi_object_list args = { 1, &arg0 };
ACPI_FUNCTION_TRACE("acpi_video_device_get_EDID");
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
- obj = (union acpi_object *) buffer.pointer;
+ obj = (union acpi_object *)buffer.pointer;
if (obj && obj->type == ACPI_TYPE_BUFFER)
*edid = obj;
return_VALUE(status);
}
-
/* bus */
static int
-acpi_video_bus_set_POST (
- struct acpi_video_bus *video,
- unsigned long option)
+acpi_video_bus_set_POST(struct acpi_video_bus *video, unsigned long option)
{
- int status;
- unsigned long tmp;
- union acpi_object arg0 = {ACPI_TYPE_INTEGER};
- struct acpi_object_list args = {1, &arg0};
+ int status;
+ unsigned long tmp;
+ union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+ struct acpi_object_list args = { 1, &arg0 };
ACPI_FUNCTION_TRACE("acpi_video_bus_set_POST");
status = acpi_evaluate_integer(video->handle, "_SPD", &args, &tmp);
if (ACPI_SUCCESS(status))
- status = tmp ? (-EINVAL):(AE_OK);
+ status = tmp ? (-EINVAL) : (AE_OK);
return_VALUE(status);
}
static int
-acpi_video_bus_get_POST (
- struct acpi_video_bus *video,
- unsigned long *id)
+acpi_video_bus_get_POST(struct acpi_video_bus *video, unsigned long *id)
{
int status;
}
static int
-acpi_video_bus_POST_options (
- struct acpi_video_bus *video,
- unsigned long *options)
+acpi_video_bus_POST_options(struct acpi_video_bus *video,
+ unsigned long *options)
{
- int status;
+ int status;
ACPI_FUNCTION_TRACE("acpi_video_bus_POST_options");
status = acpi_evaluate_integer(video->handle, "_VPO", NULL, options);
*/
static int
-acpi_video_bus_DOS(
- struct acpi_video_bus *video,
- int bios_flag,
- int lcd_flag)
+acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag)
{
- acpi_integer status = 0;
- union acpi_object arg0 = {ACPI_TYPE_INTEGER};
- struct acpi_object_list args = {1, &arg0};
+ acpi_integer status = 0;
+ union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+ struct acpi_object_list args = { 1, &arg0 };
ACPI_FUNCTION_TRACE("acpi_video_bus_DOS");
- if (bios_flag < 0 || bios_flag >3 || lcd_flag < 0 || lcd_flag > 1){
+ if (bios_flag < 0 || bios_flag > 3 || lcd_flag < 0 || lcd_flag > 1) {
status = -1;
goto Failed;
}
video->dos_setting = arg0.integer.value;
acpi_evaluate_object(video->handle, "_DOS", &args, NULL);
-Failed:
+ Failed:
return_VALUE(status);
}
* device.
*/
-static void
-acpi_video_device_find_cap (struct acpi_video_device *device)
+static void acpi_video_device_find_cap(struct acpi_video_device *device)
{
- acpi_integer status;
+ acpi_integer status;
acpi_handle h_dummy1;
int i;
union acpi_object *obj = NULL;
ACPI_FUNCTION_TRACE("acpi_video_device_find_cap");
- memset( &device->cap, 0, 4);
+ memset(&device->cap, 0, 4);
- if( ACPI_SUCCESS(acpi_get_handle(device->handle, "_ADR", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ADR", &h_dummy1))) {
device->cap._ADR = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCL", &h_dummy1))) {
- device->cap._BCL= 1;
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCL", &h_dummy1))) {
+ device->cap._BCL = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCM", &h_dummy1))) {
- device->cap._BCM= 1;
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCM", &h_dummy1))) {
+ device->cap._BCM = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(device->handle, "_DDC", &h_dummy1))) {
- device->cap._DDC= 1;
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DDC", &h_dummy1))) {
+ device->cap._DDC = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(device->handle, "_DCS", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DCS", &h_dummy1))) {
device->cap._DCS = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(device->handle, "_DGS", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DGS", &h_dummy1))) {
device->cap._DGS = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(device->handle, "_DSS", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DSS", &h_dummy1))) {
device->cap._DSS = 1;
}
if (obj && obj->type == ACPI_TYPE_PACKAGE && obj->package.count >= 2) {
int count = 0;
union acpi_object *o;
-
+
br = kmalloc(sizeof(*br), GFP_KERNEL);
if (!br) {
printk(KERN_ERR "can't allocate memory\n");
} else {
memset(br, 0, sizeof(*br));
br->levels = kmalloc(obj->package.count *
- sizeof *(br->levels), GFP_KERNEL);
+ sizeof *(br->levels), GFP_KERNEL);
if (!br->levels)
goto out;
for (i = 0; i < obj->package.count; i++) {
- o = (union acpi_object *) &obj->package.elements[i];
+ o = (union acpi_object *)&obj->package.
+ elements[i];
if (o->type != ACPI_TYPE_INTEGER) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Invalid data\n"));
continue;
}
br->levels[count] = (u32) o->integer.value;
count++;
}
-out:
+ out:
if (count < 2) {
kfree(br->levels);
kfree(br);
} else {
br->count = count;
device->brightness = br;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "found %d brightness levels\n", count));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "found %d brightness levels\n",
+ count));
}
}
}
* Find out all required AML method defined under the video bus device.
*/
-static void
-acpi_video_bus_find_cap (struct acpi_video_bus *video)
+static void acpi_video_bus_find_cap(struct acpi_video_bus *video)
{
- acpi_handle h_dummy1;
+ acpi_handle h_dummy1;
- memset(&video->cap ,0, 4);
- if( ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOS", &h_dummy1))) {
+ memset(&video->cap, 0, 4);
+ if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOS", &h_dummy1))) {
video->cap._DOS = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOD", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOD", &h_dummy1))) {
video->cap._DOD = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(video->handle, "_ROM", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_ROM", &h_dummy1))) {
video->cap._ROM = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(video->handle, "_GPD", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_GPD", &h_dummy1))) {
video->cap._GPD = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(video->handle, "_SPD", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_SPD", &h_dummy1))) {
video->cap._SPD = 1;
}
- if( ACPI_SUCCESS(acpi_get_handle(video->handle, "_VPO", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_VPO", &h_dummy1))) {
video->cap._VPO = 1;
}
}
* support the desired features
*/
-static int
-acpi_video_bus_check (
- struct acpi_video_bus *video)
+static int acpi_video_bus_check(struct acpi_video_bus *video)
{
- acpi_status status = -ENOENT;
-
+ acpi_status status = -ENOENT;
ACPI_FUNCTION_TRACE("acpi_video_bus_check");
*/
/* Does this device able to support video switching ? */
- if(video->cap._DOS){
+ if (video->cap._DOS) {
video->flags.multihead = 1;
status = 0;
}
/* Does this device able to retrieve a retrieve a video ROM ? */
- if(video->cap._ROM){
+ if (video->cap._ROM) {
video->flags.rom = 1;
status = 0;
}
/* Does this device able to configure which video device to POST ? */
- if(video->cap._GPD && video->cap._SPD && video->cap._VPO){
+ if (video->cap._GPD && video->cap._SPD && video->cap._VPO) {
video->flags.post = 1;
status = 0;
}
FS Interface (/proc)
-------------------------------------------------------------------------- */
-static struct proc_dir_entry *acpi_video_dir;
+static struct proc_dir_entry *acpi_video_dir;
/* video devices */
-static int
-acpi_video_device_info_seq_show (
- struct seq_file *seq,
- void *offset)
+static int acpi_video_device_info_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_video_device *dev = (struct acpi_video_device *) seq->private;
+ struct acpi_video_device *dev =
+ (struct acpi_video_device *)seq->private;
ACPI_FUNCTION_TRACE("acpi_video_device_info_seq_show");
else
seq_printf(seq, "UNKNOWN\n");
- seq_printf(seq,"known by bios: %s\n",
- dev->flags.bios ? "yes":"no");
+ seq_printf(seq, "known by bios: %s\n", dev->flags.bios ? "yes" : "no");
-end:
+ end:
return_VALUE(0);
}
static int
-acpi_video_device_info_open_fs (
- struct inode *inode,
- struct file *file)
+acpi_video_device_info_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_video_device_info_seq_show,
PDE(inode)->data);
}
-static int
-acpi_video_device_state_seq_show (
- struct seq_file *seq,
- void *offset)
+static int acpi_video_device_state_seq_show(struct seq_file *seq, void *offset)
{
- int status;
- struct acpi_video_device *dev = (struct acpi_video_device *) seq->private;
- unsigned long state;
+ int status;
+ struct acpi_video_device *dev =
+ (struct acpi_video_device *)seq->private;
+ unsigned long state;
ACPI_FUNCTION_TRACE("acpi_video_device_state_seq_show");
else
seq_printf(seq, "<not supported>\n");
-end:
+ end:
return_VALUE(0);
}
static int
-acpi_video_device_state_open_fs (
- struct inode *inode,
- struct file *file)
+acpi_video_device_state_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_video_device_state_seq_show,
PDE(inode)->data);
}
static ssize_t
-acpi_video_device_write_state (
- struct file *file,
- const char __user *buffer,
- size_t count,
- loff_t *data)
+acpi_video_device_write_state(struct file *file,
+ const char __user * buffer,
+ size_t count, loff_t * data)
{
- int status;
- struct seq_file *m = (struct seq_file *) file->private_data;
- struct acpi_video_device *dev = (struct acpi_video_device *) m->private;
- char str[12] = {0};
- u32 state = 0;
+ int status;
+ struct seq_file *m = (struct seq_file *)file->private_data;
+ struct acpi_video_device *dev = (struct acpi_video_device *)m->private;
+ char str[12] = { 0 };
+ u32 state = 0;
ACPI_FUNCTION_TRACE("acpi_video_device_write_state");
str[count] = 0;
state = simple_strtoul(str, NULL, 0);
- state &= ((1ul<<31) | (1ul<<30) | (1ul<<0));
+ state &= ((1ul << 31) | (1ul << 30) | (1ul << 0));
status = acpi_video_device_set_state(dev, state);
}
static int
-acpi_video_device_brightness_seq_show (
- struct seq_file *seq,
- void *offset)
+acpi_video_device_brightness_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_video_device *dev = (struct acpi_video_device *) seq->private;
- int i;
+ struct acpi_video_device *dev =
+ (struct acpi_video_device *)seq->private;
+ int i;
ACPI_FUNCTION_TRACE("acpi_video_device_brightness_seq_show");
}
static int
-acpi_video_device_brightness_open_fs (
- struct inode *inode,
- struct file *file)
+acpi_video_device_brightness_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_video_device_brightness_seq_show,
PDE(inode)->data);
}
static ssize_t
-acpi_video_device_write_brightness (
- struct file *file,
- const char __user *buffer,
- size_t count,
- loff_t *data)
+acpi_video_device_write_brightness(struct file *file,
+ const char __user * buffer,
+ size_t count, loff_t * data)
{
- struct seq_file *m = (struct seq_file *) file->private_data;
- struct acpi_video_device *dev = (struct acpi_video_device *) m->private;
- char str[4] = {0};
- unsigned int level = 0;
- int i;
+ struct seq_file *m = (struct seq_file *)file->private_data;
+ struct acpi_video_device *dev = (struct acpi_video_device *)m->private;
+ char str[4] = { 0 };
+ unsigned int level = 0;
+ int i;
ACPI_FUNCTION_TRACE("acpi_video_device_write_brightness");
str[count] = 0;
level = simple_strtoul(str, NULL, 0);
-
+
if (level > 100)
return_VALUE(-EFAULT);
/* validate though the list of available levels */
for (i = 0; i < dev->brightness->count; i++)
if (level == dev->brightness->levels[i]) {
- if (ACPI_SUCCESS(acpi_video_device_lcd_set_level(dev, level)))
+ if (ACPI_SUCCESS
+ (acpi_video_device_lcd_set_level(dev, level)))
dev->brightness->curr = level;
break;
}
return_VALUE(count);
}
-static int
-acpi_video_device_EDID_seq_show (
- struct seq_file *seq,
- void *offset)
+static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_video_device *dev = (struct acpi_video_device *) seq->private;
- int status;
- int i;
- union acpi_object *edid = NULL;
+ struct acpi_video_device *dev =
+ (struct acpi_video_device *)seq->private;
+ int status;
+ int i;
+ union acpi_object *edid = NULL;
ACPI_FUNCTION_TRACE("acpi_video_device_EDID_seq_show");
if (!dev)
goto out;
- status = acpi_video_device_EDID (dev, &edid, 128);
+ status = acpi_video_device_EDID(dev, &edid, 128);
if (ACPI_FAILURE(status)) {
- status = acpi_video_device_EDID (dev, &edid, 256);
+ status = acpi_video_device_EDID(dev, &edid, 256);
}
if (ACPI_FAILURE(status)) {
seq_putc(seq, edid->buffer.pointer[i]);
}
-out:
+ out:
if (!edid)
seq_printf(seq, "<not supported>\n");
else
}
static int
-acpi_video_device_EDID_open_fs (
- struct inode *inode,
- struct file *file)
+acpi_video_device_EDID_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_video_device_EDID_seq_show,
PDE(inode)->data);
}
-
-static int
-acpi_video_device_add_fs (
- struct acpi_device *device)
+static int acpi_video_device_add_fs(struct acpi_device *device)
{
- struct proc_dir_entry *entry = NULL;
+ struct proc_dir_entry *entry = NULL;
struct acpi_video_device *vid_dev;
ACPI_FUNCTION_TRACE("acpi_video_device_add_fs");
if (!device)
return_VALUE(-ENODEV);
- vid_dev = (struct acpi_video_device *) acpi_driver_data(device);
+ vid_dev = (struct acpi_video_device *)acpi_driver_data(device);
if (!vid_dev)
return_VALUE(-ENODEV);
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
- vid_dev->video->dir);
+ vid_dev->video->dir);
if (!acpi_device_dir(device))
return_VALUE(-ENODEV);
acpi_device_dir(device)->owner = THIS_MODULE;
entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'info' fs entry\n"));
+ "Unable to create 'info' fs entry\n"));
else {
entry->proc_fops = &acpi_video_device_info_fops;
entry->data = acpi_driver_data(device);
}
/* 'state' [R/W] */
- entry = create_proc_entry("state", S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
+ entry =
+ create_proc_entry("state", S_IFREG | S_IRUGO | S_IWUSR,
+ acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'state' fs entry\n"));
+ "Unable to create 'state' fs entry\n"));
else {
entry->proc_fops = &acpi_video_device_state_fops;
entry->proc_fops->write = acpi_video_device_write_state;
}
/* 'brightness' [R/W] */
- entry = create_proc_entry("brightness", S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
+ entry =
+ create_proc_entry("brightness", S_IFREG | S_IRUGO | S_IWUSR,
+ acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'brightness' fs entry\n"));
+ "Unable to create 'brightness' fs entry\n"));
else {
entry->proc_fops = &acpi_video_device_brightness_fops;
entry->proc_fops->write = acpi_video_device_write_brightness;
entry = create_proc_entry("EDID", S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'brightness' fs entry\n"));
+ "Unable to create 'brightness' fs entry\n"));
else {
entry->proc_fops = &acpi_video_device_EDID_fops;
entry->data = acpi_driver_data(device);
return_VALUE(0);
}
-static int
-acpi_video_device_remove_fs (
- struct acpi_device *device)
+static int acpi_video_device_remove_fs(struct acpi_device *device)
{
struct acpi_video_device *vid_dev;
ACPI_FUNCTION_TRACE("acpi_video_device_remove_fs");
- vid_dev = (struct acpi_video_device *) acpi_driver_data(device);
+ vid_dev = (struct acpi_video_device *)acpi_driver_data(device);
if (!vid_dev || !vid_dev->video || !vid_dev->video->dir)
return_VALUE(-ENODEV);
remove_proc_entry("state", acpi_device_dir(device));
remove_proc_entry("brightness", acpi_device_dir(device));
remove_proc_entry("EDID", acpi_device_dir(device));
- remove_proc_entry(acpi_device_bid(device),
- vid_dev->video->dir);
+ remove_proc_entry(acpi_device_bid(device), vid_dev->video->dir);
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
}
-
/* video bus */
-static int
-acpi_video_bus_info_seq_show (
- struct seq_file *seq,
- void *offset)
+static int acpi_video_bus_info_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_video_bus *video = (struct acpi_video_bus *) seq->private;
+ struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private;
ACPI_FUNCTION_TRACE("acpi_video_bus_info_seq_show");
goto end;
seq_printf(seq, "Switching heads: %s\n",
- video->flags.multihead ? "yes":"no");
+ video->flags.multihead ? "yes" : "no");
seq_printf(seq, "Video ROM: %s\n",
- video->flags.rom ? "yes":"no");
+ video->flags.rom ? "yes" : "no");
seq_printf(seq, "Device to be POSTed on boot: %s\n",
- video->flags.post ? "yes":"no");
+ video->flags.post ? "yes" : "no");
-end:
+ end:
return_VALUE(0);
}
-static int
-acpi_video_bus_info_open_fs (
- struct inode *inode,
- struct file *file)
+static int acpi_video_bus_info_open_fs(struct inode *inode, struct file *file)
{
- return single_open(file, acpi_video_bus_info_seq_show, PDE(inode)->data);
+ return single_open(file, acpi_video_bus_info_seq_show,
+ PDE(inode)->data);
}
-static int
-acpi_video_bus_ROM_seq_show (
- struct seq_file *seq,
- void *offset)
+static int acpi_video_bus_ROM_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_video_bus *video = (struct acpi_video_bus *) seq->private;
+ struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private;
ACPI_FUNCTION_TRACE("acpi_video_bus_ROM_seq_show");
printk(KERN_INFO PREFIX "Please implement %s\n", __FUNCTION__);
seq_printf(seq, "<TODO>\n");
-end:
+ end:
return_VALUE(0);
}
-static int
-acpi_video_bus_ROM_open_fs (
- struct inode *inode,
- struct file *file)
+static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_video_bus_ROM_seq_show, PDE(inode)->data);
}
-static int
-acpi_video_bus_POST_info_seq_show (
- struct seq_file *seq,
- void *offset)
+static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_video_bus *video = (struct acpi_video_bus *) seq->private;
- unsigned long options;
- int status;
+ struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private;
+ unsigned long options;
+ int status;
ACPI_FUNCTION_TRACE("acpi_video_bus_POST_info_seq_show");
status = acpi_video_bus_POST_options(video, &options);
if (ACPI_SUCCESS(status)) {
if (!(options & 1)) {
- printk(KERN_WARNING PREFIX "The motherboard VGA device is not listed as a possible POST device.\n");
- printk(KERN_WARNING PREFIX "This indicate a BIOS bug. Please contact the manufacturer.\n");
+ printk(KERN_WARNING PREFIX
+ "The motherboard VGA device is not listed as a possible POST device.\n");
+ printk(KERN_WARNING PREFIX
+ "This indicate a BIOS bug. Please contact the manufacturer.\n");
}
printk("%lx\n", options);
seq_printf(seq, "can POST: <intgrated video>");
seq_putc(seq, '\n');
} else
seq_printf(seq, "<not supported>\n");
-end:
+ end:
return_VALUE(0);
}
static int
-acpi_video_bus_POST_info_open_fs (
- struct inode *inode,
- struct file *file)
+acpi_video_bus_POST_info_open_fs(struct inode *inode, struct file *file)
{
- return single_open(file, acpi_video_bus_POST_info_seq_show, PDE(inode)->data);
+ return single_open(file, acpi_video_bus_POST_info_seq_show,
+ PDE(inode)->data);
}
-static int
-acpi_video_bus_POST_seq_show (
- struct seq_file *seq,
- void *offset)
+static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_video_bus *video = (struct acpi_video_bus *) seq->private;
- int status;
- unsigned long id;
+ struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private;
+ int status;
+ unsigned long id;
ACPI_FUNCTION_TRACE("acpi_video_bus_POST_seq_show");
if (!video)
goto end;
- status = acpi_video_bus_get_POST (video, &id);
+ status = acpi_video_bus_get_POST(video, &id);
if (!ACPI_SUCCESS(status)) {
seq_printf(seq, "<not supported>\n");
goto end;
}
- seq_printf(seq, "device posted is <%s>\n", device_decode[id & 3]);
+ seq_printf(seq, "device posted is <%s>\n", device_decode[id & 3]);
-end:
+ end:
return_VALUE(0);
}
-static int
-acpi_video_bus_DOS_seq_show (
- struct seq_file *seq,
- void *offset)
+static int acpi_video_bus_DOS_seq_show(struct seq_file *seq, void *offset)
{
- struct acpi_video_bus *video = (struct acpi_video_bus *) seq->private;
+ struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private;
ACPI_FUNCTION_TRACE("acpi_video_bus_DOS_seq_show");
- seq_printf(seq, "DOS setting: <%d>\n", video->dos_setting );
+ seq_printf(seq, "DOS setting: <%d>\n", video->dos_setting);
return_VALUE(0);
}
-static int
-acpi_video_bus_POST_open_fs (
- struct inode *inode,
- struct file *file)
+static int acpi_video_bus_POST_open_fs(struct inode *inode, struct file *file)
{
- return single_open(file, acpi_video_bus_POST_seq_show, PDE(inode)->data);
+ return single_open(file, acpi_video_bus_POST_seq_show,
+ PDE(inode)->data);
}
-static int
-acpi_video_bus_DOS_open_fs (
- struct inode *inode,
- struct file *file)
+static int acpi_video_bus_DOS_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_video_bus_DOS_seq_show, PDE(inode)->data);
}
static ssize_t
-acpi_video_bus_write_POST (
- struct file *file,
- const char __user *buffer,
- size_t count,
- loff_t *data)
+acpi_video_bus_write_POST(struct file *file,
+ const char __user * buffer,
+ size_t count, loff_t * data)
{
- int status;
- struct seq_file *m = (struct seq_file *) file->private_data;
- struct acpi_video_bus *video = (struct acpi_video_bus *) m->private;
- char str[12] = {0};
- unsigned long opt, options;
+ int status;
+ struct seq_file *m = (struct seq_file *)file->private_data;
+ struct acpi_video_bus *video = (struct acpi_video_bus *)m->private;
+ char str[12] = { 0 };
+ unsigned long opt, options;
ACPI_FUNCTION_TRACE("acpi_video_bus_write_POST");
-
if (!video || count + 1 > sizeof str)
return_VALUE(-EINVAL);
options |= 1;
if (options & (1ul << opt)) {
- status = acpi_video_bus_set_POST (video, opt);
+ status = acpi_video_bus_set_POST(video, opt);
if (!ACPI_SUCCESS(status))
return_VALUE(-EFAULT);
}
-
return_VALUE(count);
}
static ssize_t
-acpi_video_bus_write_DOS (
- struct file *file,
- const char __user *buffer,
- size_t count,
- loff_t *data)
+acpi_video_bus_write_DOS(struct file *file,
+ const char __user * buffer,
+ size_t count, loff_t * data)
{
- int status;
- struct seq_file *m = (struct seq_file *) file->private_data;
- struct acpi_video_bus *video = (struct acpi_video_bus *) m->private;
- char str[12] = {0};
- unsigned long opt;
+ int status;
+ struct seq_file *m = (struct seq_file *)file->private_data;
+ struct acpi_video_bus *video = (struct acpi_video_bus *)m->private;
+ char str[12] = { 0 };
+ unsigned long opt;
ACPI_FUNCTION_TRACE("acpi_video_bus_write_DOS");
-
if (!video || count + 1 > sizeof str)
return_VALUE(-EINVAL);
if (opt > 7)
return_VALUE(-EFAULT);
- status = acpi_video_bus_DOS (video, opt & 0x3, (opt & 0x4)>>2);
+ status = acpi_video_bus_DOS(video, opt & 0x3, (opt & 0x4) >> 2);
if (!ACPI_SUCCESS(status))
return_VALUE(-EFAULT);
return_VALUE(count);
}
-static int
-acpi_video_bus_add_fs (
- struct acpi_device *device)
+static int acpi_video_bus_add_fs(struct acpi_device *device)
{
- struct proc_dir_entry *entry = NULL;
- struct acpi_video_bus *video;
+ struct proc_dir_entry *entry = NULL;
+ struct acpi_video_bus *video;
ACPI_FUNCTION_TRACE("acpi_video_bus_add_fs");
- video = (struct acpi_video_bus *) acpi_driver_data(device);
+ video = (struct acpi_video_bus *)acpi_driver_data(device);
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
- acpi_video_dir);
+ acpi_video_dir);
if (!acpi_device_dir(device))
return_VALUE(-ENODEV);
video->dir = acpi_device_dir(device);
/* 'info' [R] */
entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unable to create 'info' fs entry\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Unable to create 'info' fs entry\n"));
else {
entry->proc_fops = &acpi_video_bus_info_fops;
entry->data = acpi_driver_data(device);
/* 'ROM' [R] */
entry = create_proc_entry("ROM", S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unable to create 'ROM' fs entry\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Unable to create 'ROM' fs entry\n"));
else {
entry->proc_fops = &acpi_video_bus_ROM_fops;
entry->data = acpi_driver_data(device);
}
/* 'POST_info' [R] */
- entry = create_proc_entry("POST_info", S_IRUGO, acpi_device_dir(device));
+ entry =
+ create_proc_entry("POST_info", S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unable to create 'POST_info' fs entry\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Unable to create 'POST_info' fs entry\n"));
else {
entry->proc_fops = &acpi_video_bus_POST_info_fops;
entry->data = acpi_driver_data(device);
}
/* 'POST' [R/W] */
- entry = create_proc_entry("POST", S_IFREG|S_IRUGO|S_IRUSR, acpi_device_dir(device));
+ entry =
+ create_proc_entry("POST", S_IFREG | S_IRUGO | S_IRUSR,
+ acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unable to create 'POST' fs entry\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Unable to create 'POST' fs entry\n"));
else {
entry->proc_fops = &acpi_video_bus_POST_fops;
entry->proc_fops->write = acpi_video_bus_write_POST;
}
/* 'DOS' [R/W] */
- entry = create_proc_entry("DOS", S_IFREG|S_IRUGO|S_IRUSR, acpi_device_dir(device));
+ entry =
+ create_proc_entry("DOS", S_IFREG | S_IRUGO | S_IRUSR,
+ acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unable to create 'DOS' fs entry\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Unable to create 'DOS' fs entry\n"));
else {
entry->proc_fops = &acpi_video_bus_DOS_fops;
entry->proc_fops->write = acpi_video_bus_write_DOS;
return_VALUE(0);
}
-static int
-acpi_video_bus_remove_fs (
- struct acpi_device *device)
+static int acpi_video_bus_remove_fs(struct acpi_device *device)
{
- struct acpi_video_bus *video;
+ struct acpi_video_bus *video;
ACPI_FUNCTION_TRACE("acpi_video_bus_remove_fs");
- video = (struct acpi_video_bus *) acpi_driver_data(device);
+ video = (struct acpi_video_bus *)acpi_driver_data(device);
if (acpi_device_dir(device)) {
remove_proc_entry("info", acpi_device_dir(device));
remove_proc_entry("POST_info", acpi_device_dir(device));
remove_proc_entry("POST", acpi_device_dir(device));
remove_proc_entry("DOS", acpi_device_dir(device));
- remove_proc_entry(acpi_device_bid(device),
- acpi_video_dir);
+ remove_proc_entry(acpi_device_bid(device), acpi_video_dir);
acpi_device_dir(device) = NULL;
}
/* device interface */
static int
-acpi_video_bus_get_one_device (
- struct acpi_device *device,
- struct acpi_video_bus *video)
+acpi_video_bus_get_one_device(struct acpi_device *device,
+ struct acpi_video_bus *video)
{
- unsigned long device_id;
- int status, result;
- struct acpi_video_device *data;
+ unsigned long device_id;
+ int status, result;
+ struct acpi_video_device *data;
ACPI_FUNCTION_TRACE("acpi_video_bus_get_one_device");
if (!device || !video)
return_VALUE(-EINVAL);
- status = acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id);
+ status =
+ acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id);
if (ACPI_SUCCESS(status)) {
data = kmalloc(sizeof(struct acpi_video_device), GFP_KERNEL);
data->flags.unknown = 1;
break;
}
-
+
acpi_video_device_bind(video, data);
acpi_video_device_find_cap(data);
status = acpi_install_notify_handler(data->handle,
- ACPI_DEVICE_NOTIFY, acpi_video_device_notify, data);
+ ACPI_DEVICE_NOTIFY,
+ acpi_video_device_notify,
+ data);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
+ "Error installing notify handler\n"));
result = -ENODEV;
goto end;
}
return_VALUE(0);
}
-end:
+ end:
return_VALUE(-ENOENT);
}
* Enumerate the video device list of the video bus,
* bind the ids with the corresponding video devices
* under the video bus.
- */
+ */
-static void
-acpi_video_device_rebind( struct acpi_video_bus *video)
+static void acpi_video_device_rebind(struct acpi_video_bus *video)
{
- struct list_head * node, * next;
+ struct list_head *node, *next;
list_for_each_safe(node, next, &video->video_device_list) {
- struct acpi_video_device * dev = container_of(node, struct acpi_video_device, entry);
- acpi_video_device_bind( video, dev);
+ struct acpi_video_device *dev =
+ container_of(node, struct acpi_video_device, entry);
+ acpi_video_device_bind(video, dev);
}
}
*
* Bind the ids with the corresponding video devices
* under the video bus.
- */
+ */
static void
-acpi_video_device_bind( struct acpi_video_bus *video,
- struct acpi_video_device *device)
+acpi_video_device_bind(struct acpi_video_bus *video,
+ struct acpi_video_device *device)
{
- int i;
+ int i;
ACPI_FUNCTION_TRACE("acpi_video_device_bind");
#define IDS_VAL(i) video->attached_array[i].value.int_val
#define IDS_BIND(i) video->attached_array[i].bind_info
-
- for (i = 0; IDS_VAL(i) != ACPI_VIDEO_HEAD_INVALID &&
- i < video->attached_count; i++) {
- if (device->device_id == (IDS_VAL(i)& 0xffff)) {
+
+ for (i = 0; IDS_VAL(i) != ACPI_VIDEO_HEAD_INVALID &&
+ i < video->attached_count; i++) {
+ if (device->device_id == (IDS_VAL(i) & 0xffff)) {
IDS_BIND(i) = device;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "device_bind %d\n", i));
}
*
* Call _DOD to enumerate all devices attached to display adapter
*
- */
+ */
static int acpi_video_device_enumerate(struct acpi_video_bus *video)
{
- int status;
- int count;
- int i;
+ int status;
+ int count;
+ int i;
struct acpi_video_enumerated_device *active_device_list;
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
- union acpi_object *dod = NULL;
- union acpi_object *obj;
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *dod = NULL;
+ union acpi_object *obj;
ACPI_FUNCTION_TRACE("acpi_video_device_enumerate");
return_VALUE(status);
}
- dod = (union acpi_object *) buffer.pointer;
+ dod = (union acpi_object *)buffer.pointer;
if (!dod || (dod->type != ACPI_TYPE_PACKAGE)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _DOD data\n"));
status = -EFAULT;
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d video heads in _DOD\n",
- dod->package.count));
+ dod->package.count));
- active_device_list= kmalloc(
- (1+dod->package.count)*sizeof(struct acpi_video_enumerated_device),
- GFP_KERNEL);
+ active_device_list = kmalloc((1 +
+ dod->package.count) *
+ sizeof(struct
+ acpi_video_enumerated_device),
+ GFP_KERNEL);
if (!active_device_list) {
status = -ENOMEM;
count = 0;
for (i = 0; i < dod->package.count; i++) {
- obj = (union acpi_object *) &dod->package.elements[i];
+ obj = (union acpi_object *)&dod->package.elements[i];
if (obj->type != ACPI_TYPE_INTEGER) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _DOD data\n"));
- active_device_list[i].value.int_val = ACPI_VIDEO_HEAD_INVALID;
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Invalid _DOD data\n"));
+ active_device_list[i].value.int_val =
+ ACPI_VIDEO_HEAD_INVALID;
}
active_device_list[i].value.int_val = obj->integer.value;
active_device_list[i].bind_info = NULL;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "dod element[%d] = %d\n", i, (int) obj->integer.value));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "dod element[%d] = %d\n", i,
+ (int)obj->integer.value));
count++;
}
active_device_list[count].value.int_val = ACPI_VIDEO_HEAD_END;
- if(video->attached_array)
+ if (video->attached_array)
kfree(video->attached_array);
-
+
video->attached_array = active_device_list;
video->attached_count = count;
-out:
+ out:
acpi_os_free(buffer.pointer);
return_VALUE(status);
}
* 1. Find out the current active output device.
* 2. Identify the next output device to switch
* 3. call _DSS to do actual switch.
- */
+ */
-static int
-acpi_video_switch_output(
- struct acpi_video_bus *video,
- int event)
+static int acpi_video_switch_output(struct acpi_video_bus *video, int event)
{
- struct list_head * node, * next;
- struct acpi_video_device *dev=NULL;
- struct acpi_video_device *dev_next=NULL;
- struct acpi_video_device *dev_prev=NULL;
+ struct list_head *node, *next;
+ struct acpi_video_device *dev = NULL;
+ struct acpi_video_device *dev_next = NULL;
+ struct acpi_video_device *dev_prev = NULL;
unsigned long state;
int status = 0;
list_for_each_safe(node, next, &video->video_device_list) {
dev = container_of(node, struct acpi_video_device, entry);
status = acpi_video_device_get_state(dev, &state);
- if (state & 0x2){
- dev_next = container_of(node->next, struct acpi_video_device, entry);
- dev_prev = container_of(node->prev, struct acpi_video_device, entry);
+ if (state & 0x2) {
+ dev_next =
+ container_of(node->next, struct acpi_video_device,
+ entry);
+ dev_prev =
+ container_of(node->prev, struct acpi_video_device,
+ entry);
goto out;
}
}
dev_next = container_of(node->next, struct acpi_video_device, entry);
dev_prev = container_of(node->prev, struct acpi_video_device, entry);
-out:
+ out:
switch (event) {
case ACPI_VIDEO_NOTIFY_CYCLE:
case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT:
return_VALUE(status);
}
-static int
-acpi_video_get_next_level(
- struct acpi_video_device *device,
- u32 level_current,
- u32 event)
+static int
+acpi_video_get_next_level(struct acpi_video_device *device,
+ u32 level_current, u32 event)
{
- /*Fix me*/
+ /*Fix me */
return level_current;
}
-
static void
-acpi_video_switch_brightness (
- struct acpi_video_device *device,
- int event)
+acpi_video_switch_brightness(struct acpi_video_device *device, int event)
{
unsigned long level_current, level_next;
acpi_video_device_lcd_get_level_current(device, &level_current);
}
static int
-acpi_video_bus_get_devices (
- struct acpi_video_bus *video,
- struct acpi_device *device)
+acpi_video_bus_get_devices(struct acpi_video_bus *video,
+ struct acpi_device *device)
{
- int status = 0;
- struct list_head *node, *next;
+ int status = 0;
+ struct list_head *node, *next;
ACPI_FUNCTION_TRACE("acpi_video_get_devices");
acpi_video_device_enumerate(video);
list_for_each_safe(node, next, &device->children) {
- struct acpi_device *dev = list_entry(node, struct acpi_device, node);
+ struct acpi_device *dev =
+ list_entry(node, struct acpi_device, node);
if (!dev)
continue;
status = acpi_video_bus_get_one_device(dev, video);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Cant attach device\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Cant attach device\n"));
continue;
}
return_VALUE(status);
}
-static int
-acpi_video_bus_put_one_device(
- struct acpi_video_device *device)
+static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
{
+ acpi_status status;
struct acpi_video_bus *video;
ACPI_FUNCTION_TRACE("acpi_video_bus_put_one_device");
up(&video->sem);
acpi_video_device_remove_fs(device->dev);
+ status = acpi_remove_notify_handler(device->handle,
+ ACPI_DEVICE_NOTIFY,
+ acpi_video_device_notify);
+ if (ACPI_FAILURE(status))
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Error removing notify handler\n"));
+
return_VALUE(0);
}
-static int
-acpi_video_bus_put_devices (
- struct acpi_video_bus *video)
+static int acpi_video_bus_put_devices(struct acpi_video_bus *video)
{
- int status;
- struct list_head *node, *next;
+ int status;
+ struct list_head *node, *next;
ACPI_FUNCTION_TRACE("acpi_video_bus_put_devices");
list_for_each_safe(node, next, &video->video_device_list) {
- struct acpi_video_device *data = list_entry(node, struct acpi_video_device, entry);
+ struct acpi_video_device *data =
+ list_entry(node, struct acpi_video_device, entry);
if (!data)
continue;
status = acpi_video_bus_put_one_device(data);
- if(ACPI_FAILURE(status))
- printk(KERN_WARNING PREFIX "hhuuhhuu bug in acpi video driver.\n");
+ if (ACPI_FAILURE(status))
+ printk(KERN_WARNING PREFIX
+ "hhuuhhuu bug in acpi video driver.\n");
if (data->brightness)
kfree(data->brightness);
/* acpi_video interface */
-static int
-acpi_video_bus_start_devices(
- struct acpi_video_bus *video)
+static int acpi_video_bus_start_devices(struct acpi_video_bus *video)
{
return acpi_video_bus_DOS(video, 1, 0);
}
-static int
-acpi_video_bus_stop_devices(
- struct acpi_video_bus *video)
+static int acpi_video_bus_stop_devices(struct acpi_video_bus *video)
{
return acpi_video_bus_DOS(video, 0, 1);
}
-static void
-acpi_video_bus_notify (
- acpi_handle handle,
- u32 event,
- void *data)
+static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data)
{
- struct acpi_video_bus *video = (struct acpi_video_bus *) data;
- struct acpi_device *device = NULL;
+ struct acpi_video_bus *video = (struct acpi_video_bus *)data;
+ struct acpi_device *device = NULL;
ACPI_FUNCTION_TRACE("acpi_video_bus_notify");
printk("video bus notify\n");
acpi_bus_generate_event(device, event, 0);
break;
- case ACPI_VIDEO_NOTIFY_CYCLE: /* Cycle Display output hotkey pressed.*/
- case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT: /* Next Display output hotkey pressed. */
- case ACPI_VIDEO_NOTIFY_PREV_OUTPUT: /* previous Display output hotkey pressed. */
+ case ACPI_VIDEO_NOTIFY_CYCLE: /* Cycle Display output hotkey pressed. */
+ case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT: /* Next Display output hotkey pressed. */
+ case ACPI_VIDEO_NOTIFY_PREV_OUTPUT: /* previous Display output hotkey pressed. */
acpi_video_switch_output(video, event);
acpi_bus_generate_event(device, event, 0);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Unsupported event [0x%x]\n", event));
+ "Unsupported event [0x%x]\n", event));
break;
}
return_VOID;
}
-static void
-acpi_video_device_notify (
- acpi_handle handle,
- u32 event,
- void *data)
+static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
{
- struct acpi_video_device *video_device = (struct acpi_video_device *) data;
- struct acpi_device *device = NULL;
+ struct acpi_video_device *video_device =
+ (struct acpi_video_device *)data;
+ struct acpi_device *device = NULL;
ACPI_FUNCTION_TRACE("acpi_video_device_notify");
return_VOID;
switch (event) {
- case ACPI_VIDEO_NOTIFY_SWITCH: /* change in status (cycle output device) */
- case ACPI_VIDEO_NOTIFY_PROBE: /* change in status (output device status) */
+ case ACPI_VIDEO_NOTIFY_SWITCH: /* change in status (cycle output device) */
+ case ACPI_VIDEO_NOTIFY_PROBE: /* change in status (output device status) */
acpi_bus_generate_event(device, event, 0);
break;
- case ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS: /* Cycle brightness */
- case ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS: /* Increase brightness */
- case ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS: /* Decrease brightness */
- case ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS: /* zero brightnesss */
- case ACPI_VIDEO_NOTIFY_DISPLAY_OFF: /* display device off */
- acpi_video_switch_brightness (video_device, event);
+ case ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS: /* Cycle brightness */
+ case ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS: /* Increase brightness */
+ case ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS: /* Decrease brightness */
+ case ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS: /* zero brightnesss */
+ case ACPI_VIDEO_NOTIFY_DISPLAY_OFF: /* display device off */
+ acpi_video_switch_brightness(video_device, event);
acpi_bus_generate_event(device, event, 0);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Unsupported event [0x%x]\n", event));
+ "Unsupported event [0x%x]\n", event));
break;
}
return_VOID;
}
-static int
-acpi_video_bus_add (
- struct acpi_device *device)
+static int acpi_video_bus_add(struct acpi_device *device)
{
- int result = 0;
- acpi_status status = 0;
- struct acpi_video_bus *video = NULL;
+ int result = 0;
+ acpi_status status = 0;
+ struct acpi_video_bus *video = NULL;
ACPI_FUNCTION_TRACE("acpi_video_bus_add");
-
+
if (!device)
return_VALUE(-EINVAL);
acpi_video_bus_start_devices(video);
status = acpi_install_notify_handler(video->handle,
- ACPI_DEVICE_NOTIFY, acpi_video_bus_notify, video);
+ ACPI_DEVICE_NOTIFY,
+ acpi_video_bus_notify, video);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
+ "Error installing notify handler\n"));
result = -ENODEV;
goto end;
}
printk(KERN_INFO PREFIX "%s [%s] (multi-head: %s rom: %s post: %s)\n",
- ACPI_VIDEO_DEVICE_NAME, acpi_device_bid(device),
- video->flags.multihead ? "yes":"no",
- video->flags.rom ? "yes":"no",
- video->flags.post ? "yes":"no");
+ ACPI_VIDEO_DEVICE_NAME, acpi_device_bid(device),
+ video->flags.multihead ? "yes" : "no",
+ video->flags.rom ? "yes" : "no",
+ video->flags.post ? "yes" : "no");
-end:
+ end:
if (result) {
acpi_video_bus_remove_fs(device);
kfree(video);
return_VALUE(result);
}
-static int
-acpi_video_bus_remove (
- struct acpi_device *device,
- int type)
+static int acpi_video_bus_remove(struct acpi_device *device, int type)
{
- acpi_status status = 0;
- struct acpi_video_bus *video = NULL;
+ acpi_status status = 0;
+ struct acpi_video_bus *video = NULL;
ACPI_FUNCTION_TRACE("acpi_video_bus_remove");
if (!device || !acpi_driver_data(device))
return_VALUE(-EINVAL);
- video = (struct acpi_video_bus *) acpi_driver_data(device);
+ video = (struct acpi_video_bus *)acpi_driver_data(device);
acpi_video_bus_stop_devices(video);
status = acpi_remove_notify_handler(video->handle,
- ACPI_DEVICE_NOTIFY, acpi_video_bus_notify);
+ ACPI_DEVICE_NOTIFY,
+ acpi_video_bus_notify);
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
+ "Error removing notify handler\n"));
acpi_video_bus_put_devices(video);
acpi_video_bus_remove_fs(device);
return_VALUE(0);
}
-
static int
-acpi_video_bus_match (
- struct acpi_device *device,
- struct acpi_driver *driver)
+acpi_video_bus_match(struct acpi_device *device, struct acpi_driver *driver)
{
- acpi_handle h_dummy1;
- acpi_handle h_dummy2;
- acpi_handle h_dummy3;
+ acpi_handle h_dummy1;
+ acpi_handle h_dummy2;
+ acpi_handle h_dummy3;
ACPI_FUNCTION_TRACE("acpi_video_bus_match");
ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy3)))
return_VALUE(0);
-
return_VALUE(-ENODEV);
}
-
-static int __init
-acpi_video_init (void)
+static int __init acpi_video_init(void)
{
- int result = 0;
+ int result = 0;
ACPI_FUNCTION_TRACE("acpi_video_init");
/*
- acpi_dbg_level = 0xFFFFFFFF;
- acpi_dbg_layer = 0x08000000;
- */
+ acpi_dbg_level = 0xFFFFFFFF;
+ acpi_dbg_layer = 0x08000000;
+ */
acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir);
if (!acpi_video_dir)
return_VALUE(0);
}
-static void __exit
-acpi_video_exit (void)
+static void __exit acpi_video_exit(void)
{
ACPI_FUNCTION_TRACE("acpi_video_exit");
git.samba.org / sfrench / cifs-2.6.git / blobdiff