#include <linux/seq_file.h>
#include <linux/backlight.h>
+#include <linux/video_output.h>
#include <asm/uaccess.h>
#include <acpi/acpi_bus.h>
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;
}
#endif /* CONFIG_FB_ATY_CT */
-static u32 pseudo_palette[17];
+static u32 pseudo_palette[16];
#ifdef CONFIG_FB_ATY_GX
static char *aty_gx_ram[8] __devinitdata = {
static int aty_bl_update_status(struct backlight_device *bd)
{
- struct atyfb_par *par = class_get_devdata(&bd->class_dev);
+ struct atyfb_par *par = bl_get_data(bd);
unsigned int reg = aty_ld_lcd(LCD_MISC_CNTL, par);
int level;
int node, len, i, j, ret;
u32 mem, chip_id;
- /* Do not attach when we have a serial console. */
- if (!con_is_present())
- return -ENXIO;
-
/*
* Map memory-mapped registers.
*/
/* nothing */ ;
j = i + 4;
- par->mmap_map = kmalloc(j * sizeof(*par->mmap_map), GFP_ATOMIC);
+ par->mmap_map = kcalloc(j, sizeof(*par->mmap_map), GFP_ATOMIC);
if (!par->mmap_map) {
PRINTKE("atyfb_setup_sparc() can't alloc mmap_map\n");
return -ENOMEM;
}
- memset(par->mmap_map, 0, j * sizeof(*par->mmap_map));
for (i = 0, j = 2; i < 6 && pdev->resource[i].start; i++) {
struct resource *rp = &pdev->resource[i];
git.openpandora.org / pandora-kernel.git / commitdiff