185 lines
4.8 KiB
Diff
185 lines
4.8 KiB
Diff
diff -up linux-2.6.33.noarch/drivers/acpi/video.c.orig linux-2.6.33.noarch/drivers/acpi/video.c
|
|
--- linux-2.6.33.noarch/drivers/acpi/video.c.orig 2010-04-12 13:42:53.637966231 -0400
|
|
+++ linux-2.6.33.noarch/drivers/acpi/video.c 2010-04-12 13:43:07.290978352 -0400
|
|
@@ -43,6 +43,7 @@
|
|
#include <linux/dmi.h>
|
|
#include <acpi/acpi_bus.h>
|
|
#include <acpi/acpi_drivers.h>
|
|
+#include <acpi/video.h>
|
|
|
|
#define PREFIX "ACPI: "
|
|
|
|
@@ -63,11 +64,6 @@
|
|
|
|
#define MAX_NAME_LEN 20
|
|
|
|
-#define ACPI_VIDEO_DISPLAY_CRT 1
|
|
-#define ACPI_VIDEO_DISPLAY_TV 2
|
|
-#define ACPI_VIDEO_DISPLAY_DVI 3
|
|
-#define ACPI_VIDEO_DISPLAY_LCD 4
|
|
-
|
|
#define _COMPONENT ACPI_VIDEO_COMPONENT
|
|
ACPI_MODULE_NAME("video");
|
|
|
|
@@ -1731,11 +1727,27 @@ acpi_video_get_device_attr(struct acpi_v
|
|
}
|
|
|
|
static int
|
|
+acpi_video_get_device_type(struct acpi_video_bus *video,
|
|
+ unsigned long device_id)
|
|
+{
|
|
+ struct acpi_video_enumerated_device *ids;
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < video->attached_count; i++) {
|
|
+ ids = &video->attached_array[i];
|
|
+ if ((ids->value.int_val & 0xffff) == device_id)
|
|
+ return ids->value.int_val;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int
|
|
acpi_video_bus_get_one_device(struct acpi_device *device,
|
|
struct acpi_video_bus *video)
|
|
{
|
|
unsigned long long device_id;
|
|
- int status;
|
|
+ int status, device_type;
|
|
struct acpi_video_device *data;
|
|
struct acpi_video_device_attrib* attribute;
|
|
|
|
@@ -1780,8 +1792,25 @@ acpi_video_bus_get_one_device(struct acp
|
|
}
|
|
if(attribute->bios_can_detect)
|
|
data->flags.bios = 1;
|
|
- } else
|
|
- data->flags.unknown = 1;
|
|
+ } else {
|
|
+ /* Check for legacy IDs */
|
|
+ device_type = acpi_video_get_device_type(video,
|
|
+ device_id);
|
|
+ /* Ignore bits 16 and 18-20 */
|
|
+ switch (device_type & 0xffe2ffff) {
|
|
+ case ACPI_VIDEO_DISPLAY_LEGACY_MONITOR:
|
|
+ data->flags.crt = 1;
|
|
+ break;
|
|
+ case ACPI_VIDEO_DISPLAY_LEGACY_PANEL:
|
|
+ data->flags.lcd = 1;
|
|
+ break;
|
|
+ case ACPI_VIDEO_DISPLAY_LEGACY_TV:
|
|
+ data->flags.tvout = 1;
|
|
+ break;
|
|
+ default:
|
|
+ data->flags.unknown = 1;
|
|
+ }
|
|
+ }
|
|
|
|
acpi_video_device_bind(video, data);
|
|
acpi_video_device_find_cap(data);
|
|
@@ -2015,6 +2044,71 @@ out:
|
|
return result;
|
|
}
|
|
|
|
+int acpi_video_get_edid(struct acpi_device *device, int type, int device_id,
|
|
+ void **edid)
|
|
+{
|
|
+ struct acpi_video_bus *video;
|
|
+ struct acpi_video_device *video_device;
|
|
+ union acpi_object *buffer = NULL;
|
|
+ acpi_status status;
|
|
+ int i, length;
|
|
+
|
|
+ if (!device || !acpi_driver_data(device))
|
|
+ return -EINVAL;
|
|
+
|
|
+ video = acpi_driver_data(device);
|
|
+
|
|
+ for (i = 0; i < video->attached_count; i++) {
|
|
+ video_device = video->attached_array[i].bind_info;
|
|
+ length = 256;
|
|
+
|
|
+ if (!video_device)
|
|
+ continue;
|
|
+
|
|
+ if (type) {
|
|
+ switch (type) {
|
|
+ case ACPI_VIDEO_DISPLAY_CRT:
|
|
+ if (!video_device->flags.crt)
|
|
+ continue;
|
|
+ break;
|
|
+ case ACPI_VIDEO_DISPLAY_TV:
|
|
+ if (!video_device->flags.tvout)
|
|
+ continue;
|
|
+ break;
|
|
+ case ACPI_VIDEO_DISPLAY_DVI:
|
|
+ if (!video_device->flags.dvi)
|
|
+ continue;
|
|
+ break;
|
|
+ case ACPI_VIDEO_DISPLAY_LCD:
|
|
+ if (!video_device->flags.lcd)
|
|
+ continue;
|
|
+ break;
|
|
+ }
|
|
+ } else if (video_device->device_id != device_id) {
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ status = acpi_video_device_EDID(video_device, &buffer, length);
|
|
+
|
|
+ if (ACPI_FAILURE(status) || !buffer ||
|
|
+ buffer->type != ACPI_TYPE_BUFFER) {
|
|
+ length = 128;
|
|
+ status = acpi_video_device_EDID(video_device, &buffer,
|
|
+ length);
|
|
+ if (ACPI_FAILURE(status) || !buffer ||
|
|
+ buffer->type != ACPI_TYPE_BUFFER) {
|
|
+ continue;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ *edid = buffer->buffer.pointer;
|
|
+ return length;
|
|
+ }
|
|
+
|
|
+ return -ENODEV;
|
|
+}
|
|
+EXPORT_SYMBOL(acpi_video_get_edid);
|
|
+
|
|
static int
|
|
acpi_video_bus_get_devices(struct acpi_video_bus *video,
|
|
struct acpi_device *device)
|
|
diff -up linux-2.6.33.noarch/include/acpi/video.h.orig linux-2.6.33.noarch/include/acpi/video.h
|
|
--- linux-2.6.33.noarch/include/acpi/video.h.orig 2010-04-12 13:42:53.638966251 -0400
|
|
+++ linux-2.6.33.noarch/include/acpi/video.h 2010-04-12 13:43:07.292841571 -0400
|
|
@@ -1,12 +1,28 @@
|
|
#ifndef __ACPI_VIDEO_H
|
|
#define __ACPI_VIDEO_H
|
|
|
|
+#define ACPI_VIDEO_DISPLAY_CRT 1
|
|
+#define ACPI_VIDEO_DISPLAY_TV 2
|
|
+#define ACPI_VIDEO_DISPLAY_DVI 3
|
|
+#define ACPI_VIDEO_DISPLAY_LCD 4
|
|
+
|
|
+#define ACPI_VIDEO_DISPLAY_LEGACY_MONITOR 0x0100
|
|
+#define ACPI_VIDEO_DISPLAY_LEGACY_PANEL 0x0110
|
|
+#define ACPI_VIDEO_DISPLAY_LEGACY_TV 0x0200
|
|
+
|
|
#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
|
|
extern int acpi_video_register(void);
|
|
extern void acpi_video_unregister(void);
|
|
+extern int acpi_video_get_edid(struct acpi_device *device, int type,
|
|
+ int device_id, void **edid);
|
|
#else
|
|
static inline int acpi_video_register(void) { return 0; }
|
|
static inline void acpi_video_unregister(void) { return; }
|
|
+static inline int acpi_video_get_edid(struct acpi_device *device, int type,
|
|
+ int device_id, void **edid)
|
|
+{
|
|
+ return -ENODEV;
|
|
+}
|
|
#endif
|
|
|
|
#endif
|