diff options
| -rw-r--r-- | drivers/misc/sony-laptop.c | 108 |
1 files changed, 90 insertions, 18 deletions
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 2787e1ce891..bc863f5efd5 100644 --- a/drivers/misc/sony-laptop.c +++ b/drivers/misc/sony-laptop.c @@ -1220,11 +1220,35 @@ static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) /* camera tests and poweron/poweroff */ #define SONYPI_CAMERA_PICTURE 5 -#define SONYPI_CAMERA_MUTE_MASK 0x40 #define SONYPI_CAMERA_CONTROL 0x10 -#define SONYPI_CAMERA_STATUS 7 -#define SONYPI_CAMERA_STATUS_READY 0x2 -#define SONYPI_CAMERA_STATUS_POSITION 0x4 + +#define SONYPI_CAMERA_BRIGHTNESS 0 +#define SONYPI_CAMERA_CONTRAST 1 +#define SONYPI_CAMERA_HUE 2 +#define SONYPI_CAMERA_COLOR 3 +#define SONYPI_CAMERA_SHARPNESS 4 + +#define SONYPI_CAMERA_EXPOSURE_MASK 0xC +#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 +#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 +#define SONYPI_CAMERA_MUTE_MASK 0x40 + +/* the rest don't need a loop until not 0xff */ +#define SONYPI_CAMERA_AGC 6 +#define SONYPI_CAMERA_AGC_MASK 0x30 +#define SONYPI_CAMERA_SHUTTER_MASK 0x7 + +#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 +#define SONYPI_CAMERA_CONTROL 0x10 + +#define SONYPI_CAMERA_STATUS 7 +#define SONYPI_CAMERA_STATUS_READY 0x2 +#define SONYPI_CAMERA_STATUS_POSITION 0x4 + +#define SONYPI_DIRECTION_BACKWARDS 0x4 + +#define SONYPI_CAMERA_REVISION 8 +#define SONYPI_CAMERA_ROMVERSION 9 static int __sony_pic_camera_ready(void) { @@ -1234,14 +1258,13 @@ static int __sony_pic_camera_ready(void) return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); } -static int sony_pic_camera_off(void) +static int __sony_pic_camera_off(void) { if (!camera) { printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); return -ENODEV; } - mutex_lock(&spic_dev.lock); wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK), ITERATIONS_SHORT); @@ -1250,23 +1273,20 @@ static int sony_pic_camera_off(void) sony_pic_call2(0x91, 0); spic_dev.camera_power = 0; } - mutex_unlock(&spic_dev.lock); return 0; } -static int sony_pic_camera_on(void) +static int __sony_pic_camera_on(void) { int i, j, x; - int result = 0; if (!camera) { printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); return -ENODEV; } - mutex_lock(&spic_dev.lock); if (spic_dev.camera_power) - goto out_unlock; + return 0; for (j = 5; j > 0; j--) { @@ -1285,8 +1305,7 @@ static int sony_pic_camera_on(void) if (j == 0) { printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); - result = -ENODEV; - goto out_unlock; + return -ENODEV; } wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, @@ -1294,9 +1313,6 @@ static int sony_pic_camera_on(void) ITERATIONS_SHORT); spic_dev.camera_power = 1; - -out_unlock: - mutex_unlock(&spic_dev.lock); return 0; } @@ -1310,10 +1326,13 @@ static ssize_t sony_pic_camerapower_store(struct device *dev, return -EINVAL; value = simple_strtoul(buffer, NULL, 10); + + mutex_lock(&spic_dev.lock); if (value) - result = sony_pic_camera_on(); + result = __sony_pic_camera_on(); else - result = sony_pic_camera_off(); + result = __sony_pic_camera_off(); + mutex_unlock(&spic_dev.lock); if (result) return result; @@ -1331,6 +1350,59 @@ static ssize_t sony_pic_camerapower_show(struct device *dev, return count; } +/* External camera command (exported to the motion eye v4l driver) */ +int sony_pic_camera_command(int command, u8 value) +{ + if (!camera) + return -EIO; + + mutex_lock(&spic_dev.lock); + + switch (command) { + case SONYPI_COMMAND_SETCAMERA: + if (value) + __sony_pic_camera_on(); + else + __sony_pic_camera_off(); + break; + case SONYPI_COMMAND_SETCAMERABRIGHTNESS: + wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), + ITERATIONS_SHORT); + break; + case SONYPI_COMMAND_SETCAMERACONTRAST: + wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), + ITERATIONS_SHORT); + break; + case SONYPI_COMMAND_SETCAMERAHUE: + wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), + ITERATIONS_SHORT); + break; + case SONYPI_COMMAND_SETCAMERACOLOR: + wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), + ITERATIONS_SHORT); + break; + case SONYPI_COMMAND_SETCAMERASHARPNESS: + wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), + ITERATIONS_SHORT); + break; + case SONYPI_COMMAND_SETCAMERAPICTURE: + wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), + ITERATIONS_SHORT); + break; + case SONYPI_COMMAND_SETCAMERAAGC: + wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), + ITERATIONS_SHORT); + break; + default: + printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", + command); + break; + } + mutex_unlock(&spic_dev.lock); + return 0; +} +EXPORT_SYMBOL(sony_pic_camera_command); + /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ static void sony_pic_set_wwanpower(u8 state) { |