#include <linux/list.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-
+#include <linux/input.h>
#include <linux/backlight.h>
+#include <linux/video_output.h>
#include <asm/uaccess.h>
#include <acpi/acpi_bus.h>
static int acpi_video_bus_add(struct acpi_device *device);
static int acpi_video_bus_remove(struct acpi_device *device, int type);
+static const struct acpi_device_id video_device_ids[] = {
+ {ACPI_VIDEO_HID, 0},
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, video_device_ids);
+
static struct acpi_driver acpi_video_bus = {
.name = "video",
.class = ACPI_VIDEO_CLASS,
- .ids = ACPI_VIDEO_HID,
+ .ids = video_device_ids,
.ops = {
.add = acpi_video_bus_add,
.remove = acpi_video_bus_remove,
struct semaphore sem;
struct list_head video_device_list;
struct proc_dir_entry *dir;
+ struct input_dev *input;
+ char phys[32]; /* for input device */
};
struct acpi_video_device_flags {
struct acpi_device *dev;
struct acpi_video_device_brightness *brightness;
struct backlight_device *backlight;
+ struct output_device *output_dev;
};
/* bus */
u32 level_current, u32 event);
static void acpi_video_switch_brightness(struct acpi_video_device *device,
int event);
+static int acpi_video_device_get_state(struct acpi_video_device *device,
+ unsigned long *state);
+static int acpi_video_output_get(struct output_device *od);
+static int acpi_video_device_set_state(struct acpi_video_device *device, int state);
/*backlight device sysfs support*/
static int acpi_video_get_brightness(struct backlight_device *bd)
{
unsigned long cur_level;
struct acpi_video_device *vd =
- (struct acpi_video_device *)class_get_devdata(&bd->class_dev);
+ (struct acpi_video_device *)bl_get_data(bd);
acpi_video_device_lcd_get_level_current(vd, &cur_level);
return (int) cur_level;
}
{
int request_level = bd->props.brightness;
struct acpi_video_device *vd =
- (struct acpi_video_device *)class_get_devdata(&bd->class_dev);
+ (struct acpi_video_device *)bl_get_data(bd);
acpi_video_device_lcd_set_level(vd, request_level);
return 0;
}
.update_status = acpi_video_set_brightness,
};
+/*video output device sysfs support*/
+static int acpi_video_output_get(struct output_device *od)
+{
+ unsigned long state;
+ struct acpi_video_device *vd =
+ (struct acpi_video_device *)class_get_devdata(&od->class_dev);
+ acpi_video_device_get_state(vd, &state);
+ return (int)state;
+}
+
+static int acpi_video_output_set(struct output_device *od)
+{
+ unsigned long state = od->request_state;
+ struct acpi_video_device *vd=
+ (struct acpi_video_device *)class_get_devdata(&od->class_dev);
+ return acpi_video_device_set_state(vd, state);
+}
+
+static struct output_properties acpi_output_properties = {
+ .set_state = acpi_video_output_set,
+ .get_status = acpi_video_output_get,
+};
/* --------------------------------------------------------------------------
Video Management
-------------------------------------------------------------------------- */
static void acpi_video_device_find_cap(struct acpi_video_device *device)
{
- acpi_integer status;
acpi_handle h_dummy1;
int i;
u32 max_level = 0;
device->cap._DSS = 1;
}
- status = acpi_video_device_lcd_query_levels(device, &obj);
-
- if (obj && obj->type == ACPI_TYPE_PACKAGE && obj->package.count >= 2) {
- int count = 0;
- union acpi_object *o;
-
- br = kzalloc(sizeof(*br), GFP_KERNEL);
- if (!br) {
- printk(KERN_ERR "can't allocate memory\n");
- } else {
- br->levels = kmalloc(obj->package.count *
- 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];
- if (o->type != ACPI_TYPE_INTEGER) {
- printk(KERN_ERR PREFIX "Invalid data\n");
- continue;
- }
- br->levels[count] = (u32) o->integer.value;
- if (br->levels[count] > max_level)
- max_level = br->levels[count];
- count++;
- }
- out:
- if (count < 2) {
- kfree(br->levels);
- kfree(br);
+ if (ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) {
+
+ if (obj->package.count >= 2) {
+ int count = 0;
+ union acpi_object *o;
+
+ br = kzalloc(sizeof(*br), GFP_KERNEL);
+ if (!br) {
+ printk(KERN_ERR "can't allocate memory\n");
} else {
- br->count = count;
- device->brightness = br;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "found %d brightness levels\n",
- count));
+ br->levels = kmalloc(obj->package.count *
+ 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];
+ if (o->type != ACPI_TYPE_INTEGER) {
+ printk(KERN_ERR PREFIX "Invalid data\n");
+ continue;
+ }
+ br->levels[count] = (u32) o->integer.value;
+
+ if (br->levels[count] > max_level)
+ max_level = br->levels[count];
+ count++;
+ }
+ 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));
+ }
}
}
+
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available LCD brightness level\n"));
}
kfree(obj);
- if (device->cap._BCL && device->cap._BCM && device->cap._BQC){
+ if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){
unsigned long tmp;
static int count = 0;
char *name;
kfree(name);
}
+ if (device->cap._DCS && device->cap._DSS){
+ static int count = 0;
+ char *name;
+ name = kzalloc(MAX_NAME_LEN, GFP_KERNEL);
+ if (!name)
+ return;
+ sprintf(name, "acpi_video%d", count++);
+ device->output_dev = video_output_register(name,
+ NULL, device, &acpi_output_properties);
+ kfree(name);
+ }
return;
}
ACPI_DEVICE_NOTIFY,
acpi_video_device_notify);
backlight_device_unregister(device->backlight);
+ video_output_unregister(device->output_dev);
return 0;
}
{
struct acpi_video_bus *video = data;
struct acpi_device *device = NULL;
+ struct input_dev *input;
+ int keycode;
+
printk("video bus notify\n");
return;
device = video->device;
+ input = video->input;
switch (event) {
case ACPI_VIDEO_NOTIFY_SWITCH: /* User requested a switch,
* most likely via hotkey. */
- acpi_bus_generate_event(device, event, 0);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_SWITCHVIDEOMODE;
break;
case ACPI_VIDEO_NOTIFY_PROBE: /* User plugged in or removed a video
acpi_video_device_enumerate(video);
acpi_video_device_rebind(video);
acpi_video_switch_output(video, event);
- acpi_bus_generate_event(device, event, 0);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_SWITCHVIDEOMODE;
break;
case ACPI_VIDEO_NOTIFY_CYCLE: /* Cycle Display output hotkey pressed. */
+ acpi_video_switch_output(video, event);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_SWITCHVIDEOMODE;
+ break;
case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT: /* Next Display output hotkey pressed. */
+ acpi_video_switch_output(video, event);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_VIDEO_NEXT;
+ break;
case ACPI_VIDEO_NOTIFY_PREV_OUTPUT: /* previous Display output hotkey pressed. */
acpi_video_switch_output(video, event);
- acpi_bus_generate_event(device, event, 0);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_VIDEO_PREV;
break;
default:
+ keycode = KEY_UNKNOWN;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
break;
}
+ input_report_key(input, keycode, 1);
+ input_sync(input);
+ input_report_key(input, keycode, 0);
+ input_sync(input);
+
return;
}
{
struct acpi_video_device *video_device = data;
struct acpi_device *device = NULL;
+ struct acpi_video_bus *bus;
+ struct input_dev *input;
+ int keycode;
if (!video_device)
return;
device = video_device->dev;
+ bus = video_device->video;
+ input = bus->input;
switch (event) {
- 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 */
+ acpi_video_switch_brightness(video_device, event);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_BRIGHTNESS_CYCLE;
+ break;
case ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS: /* Increase brightness */
+ acpi_video_switch_brightness(video_device, event);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_BRIGHTNESSUP;
+ break;
case ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS: /* Decrease brightness */
+ acpi_video_switch_brightness(video_device, event);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_BRIGHTNESSDOWN;
+ break;
case ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS: /* zero brightnesss */
+ acpi_video_switch_brightness(video_device, event);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_BRIGHTNESS_ZERO;
+ break;
case ACPI_VIDEO_NOTIFY_DISPLAY_OFF: /* display device off */
acpi_video_switch_brightness(video_device, event);
- acpi_bus_generate_event(device, event, 0);
+ acpi_bus_generate_proc_event(device, event, 0);
+ keycode = KEY_DISPLAY_OFF;
break;
default:
+ keycode = KEY_UNKNOWN;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
break;
}
+
+ input_report_key(input, keycode, 1);
+ input_sync(input);
+ input_report_key(input, keycode, 0);
+ input_sync(input);
+
return;
}
int result = 0;
acpi_status status = 0;
struct acpi_video_bus *video = NULL;
+ struct input_dev *input;
if (!device)
goto end;
}
+
+ video->input = input = input_allocate_device();
+
+ snprintf(video->phys, sizeof(video->phys),
+ "%s/video/input0", acpi_device_hid(video->device));
+
+ input->name = acpi_device_name(video->device);
+ input->phys = video->phys;
+ input->id.bustype = BUS_HOST;
+ input->id.product = 0x06;
+ input->evbit[0] = BIT(EV_KEY);
+ set_bit(KEY_SWITCHVIDEOMODE, input->keybit);
+ set_bit(KEY_VIDEO_NEXT, input->keybit);
+ set_bit(KEY_VIDEO_PREV, input->keybit);
+ set_bit(KEY_BRIGHTNESS_CYCLE, input->keybit);
+ set_bit(KEY_BRIGHTNESSUP, input->keybit);
+ set_bit(KEY_BRIGHTNESSDOWN, input->keybit);
+ set_bit(KEY_BRIGHTNESS_ZERO, input->keybit);
+ set_bit(KEY_DISPLAY_OFF, input->keybit);
+ set_bit(KEY_UNKNOWN, input->keybit);
+ result = input_register_device(input);
+ if (result) {
+ acpi_remove_notify_handler(video->device->handle,
+ ACPI_DEVICE_NOTIFY,
+ acpi_video_bus_notify);
+ acpi_video_bus_stop_devices(video);
+ acpi_video_bus_put_devices(video);
+ kfree(video->attached_array);
+ acpi_video_bus_remove_fs(device);
+ 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",
acpi_video_bus_put_devices(video);
acpi_video_bus_remove_fs(device);
+ input_unregister_device(video->input);
kfree(video->attached_array);
kfree(video);
git.samba.org / sfrench / cifs-2.6.git / blobdiff