[PATCH] media: mt9p031/mt9t001/mt9v032: use V4L2_CID_TEST_PATTERN for test pattern control

From: Prabhakar
Date: Tue Sep 25 2012 - 08:59:39 EST


From: Lad, Prabhakar <prabhakar.lad@xxxxxx>

Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx>
Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx>
---
drivers/media/i2c/mt9p031.c | 27 ++++++++----------------
drivers/media/i2c/mt9t001.c | 33 +++++++++++++++++++++++-------
drivers/media/i2c/mt9v032.c | 46 +++++++++++++++++++++++++++++-------------
3 files changed, 66 insertions(+), 40 deletions(-)

diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c
index 2c0f407..a45c2ea 100644
--- a/drivers/media/i2c/mt9p031.c
+++ b/drivers/media/i2c/mt9p031.c
@@ -574,11 +574,10 @@ static int mt9p031_set_crop(struct v4l2_subdev *subdev,
* V4L2 subdev control operations
*/

-#define V4L2_CID_TEST_PATTERN (V4L2_CID_USER_BASE | 0x1001)
-#define V4L2_CID_BLC_AUTO (V4L2_CID_USER_BASE | 0x1002)
-#define V4L2_CID_BLC_TARGET_LEVEL (V4L2_CID_USER_BASE | 0x1003)
-#define V4L2_CID_BLC_ANALOG_OFFSET (V4L2_CID_USER_BASE | 0x1004)
-#define V4L2_CID_BLC_DIGITAL_OFFSET (V4L2_CID_USER_BASE | 0x1005)
+#define V4L2_CID_BLC_AUTO (V4L2_CID_USER_BASE | 0x1001)
+#define V4L2_CID_BLC_TARGET_LEVEL (V4L2_CID_USER_BASE | 0x1002)
+#define V4L2_CID_BLC_ANALOG_OFFSET (V4L2_CID_USER_BASE | 0x1003)
+#define V4L2_CID_BLC_DIGITAL_OFFSET (V4L2_CID_USER_BASE | 0x1004)

static int mt9p031_s_ctrl(struct v4l2_ctrl *ctrl)
{
@@ -740,18 +739,6 @@ static const char * const mt9p031_test_pattern_menu[] = {
static const struct v4l2_ctrl_config mt9p031_ctrls[] = {
{
.ops = &mt9p031_ctrl_ops,
- .id = V4L2_CID_TEST_PATTERN,
- .type = V4L2_CTRL_TYPE_MENU,
- .name = "Test Pattern",
- .min = 0,
- .max = ARRAY_SIZE(mt9p031_test_pattern_menu) - 1,
- .step = 0,
- .def = 0,
- .flags = 0,
- .menu_skip_mask = 0,
- .qmenu = mt9p031_test_pattern_menu,
- }, {
- .ops = &mt9p031_ctrl_ops,
.id = V4L2_CID_BLC_AUTO,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "BLC, Auto",
@@ -950,7 +937,7 @@ static int mt9p031_probe(struct i2c_client *client,
mt9p031->model = did->driver_data;
mt9p031->reset = -1;

- v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 5);
+ v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 6);

v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
V4L2_CID_EXPOSURE, MT9P031_SHUTTER_WIDTH_MIN,
@@ -966,6 +953,10 @@ static int mt9p031_probe(struct i2c_client *client,
v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
V4L2_CID_PIXEL_RATE, pdata->target_freq,
pdata->target_freq, 1, pdata->target_freq);
+ v4l2_ctrl_new_std_menu_items(&mt9p031->ctrls, &mt9p031_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+ ARRAY_SIZE(mt9p031_test_pattern_menu) - 1, 0,
+ 0, mt9p031_test_pattern_menu);

for (i = 0; i < ARRAY_SIZE(mt9p031_ctrls); ++i)
v4l2_ctrl_new_custom(&mt9p031->ctrls, &mt9p031_ctrls[i], NULL);
diff --git a/drivers/media/i2c/mt9t001.c b/drivers/media/i2c/mt9t001.c
index 6d343ad..16eac3f 100644
--- a/drivers/media/i2c/mt9t001.c
+++ b/drivers/media/i2c/mt9t001.c
@@ -124,6 +124,7 @@ struct mt9t001 {

u16 output_control;
u16 black_level;
+ bool test_pattern;
};

static inline struct mt9t001 *to_mt9t001(struct v4l2_subdev *sd)
@@ -371,10 +372,10 @@ static int mt9t001_set_crop(struct v4l2_subdev *subdev,
* V4L2 subdev control operations
*/

-#define V4L2_CID_TEST_PATTERN (V4L2_CID_USER_BASE | 0x1001)
-#define V4L2_CID_BLACK_LEVEL_AUTO (V4L2_CID_USER_BASE | 0x1002)
-#define V4L2_CID_BLACK_LEVEL_OFFSET (V4L2_CID_USER_BASE | 0x1003)
-#define V4L2_CID_BLACK_LEVEL_CALIBRATE (V4L2_CID_USER_BASE | 0x1004)
+#define V4L2_CID_PARAMETRIC_TEST_PATTERN (V4L2_CID_USER_BASE | 0x1001)
+#define V4L2_CID_BLACK_LEVEL_AUTO (V4L2_CID_USER_BASE | 0x1002)
+#define V4L2_CID_BLACK_LEVEL_OFFSET (V4L2_CID_USER_BASE | 0x1003)
+#define V4L2_CID_BLACK_LEVEL_CALIBRATE (V4L2_CID_USER_BASE | 0x1004)

#define V4L2_CID_GAIN_RED (V4L2_CTRL_CLASS_CAMERA | 0x1001)
#define V4L2_CID_GAIN_GREEN_RED (V4L2_CTRL_CLASS_CAMERA | 0x1002)
@@ -485,8 +486,15 @@ static int mt9t001_s_ctrl(struct v4l2_ctrl *ctrl)

return mt9t001_write(client, MT9T001_SHUTTER_WIDTH_HIGH,
ctrl->val >> 16);
-
case V4L2_CID_TEST_PATTERN:
+ mt9t001->test_pattern = ctrl->val;
+ break;
+
+ case V4L2_CID_PARAMETRIC_TEST_PATTERN:
+ if (!mt9t001->test_pattern) {
+ pr_warn("Enable test pattern!!");
+ return -EINVAL;
+ }
ret = mt9t001_set_output_control(mt9t001,
ctrl->val ? 0 : MT9T001_OUTPUT_CONTROL_TEST_DATA,
ctrl->val ? MT9T001_OUTPUT_CONTROL_TEST_DATA : 0);
@@ -533,12 +541,17 @@ static struct v4l2_ctrl_ops mt9t001_ctrl_ops = {
.s_ctrl = mt9t001_s_ctrl,
};

+static const char * const mt9t001_test_pattern_menu[] = {
+ "Disabled",
+ "Enable",
+};
+
static const struct v4l2_ctrl_config mt9t001_ctrls[] = {
{
.ops = &mt9t001_ctrl_ops,
- .id = V4L2_CID_TEST_PATTERN,
+ .id = V4L2_CID_PARAMETRIC_TEST_PATTERN,
.type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Test pattern",
+ .name = "Parametric Test Pattern Values",
.min = 0,
.max = 1023,
.step = 1,
@@ -741,7 +754,7 @@ static int mt9t001_probe(struct i2c_client *client,
return -ENOMEM;

v4l2_ctrl_handler_init(&mt9t001->ctrls, ARRAY_SIZE(mt9t001_ctrls) +
- ARRAY_SIZE(mt9t001_gains) + 3);
+ ARRAY_SIZE(mt9t001_gains) + 4);

v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
V4L2_CID_EXPOSURE, MT9T001_SHUTTER_WIDTH_MIN,
@@ -752,6 +765,10 @@ static int mt9t001_probe(struct i2c_client *client,
v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
V4L2_CID_PIXEL_RATE, pdata->ext_clk, pdata->ext_clk,
1, pdata->ext_clk);
+ v4l2_ctrl_new_std_menu_items(&mt9t001->ctrls, &mt9t001_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+ ARRAY_SIZE(mt9t001_test_pattern_menu) - 1, 0,
+ 0, mt9t001_test_pattern_menu);

for (i = 0; i < ARRAY_SIZE(mt9t001_ctrls); ++i)
v4l2_ctrl_new_custom(&mt9t001->ctrls, &mt9t001_ctrls[i], NULL);
diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index e217740..7ef01c0 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -141,6 +141,7 @@ struct mt9v032 {
u16 chip_control;
u16 aec_agc;
u16 hblank;
+ u32 test_pattern;
};

static struct mt9v032 *to_mt9v032(struct v4l2_subdev *sd)
@@ -500,7 +501,7 @@ static int mt9v032_set_crop(struct v4l2_subdev *subdev,
* V4L2 subdev control operations
*/

-#define V4L2_CID_TEST_PATTERN (V4L2_CID_USER_BASE | 0x1001)
+#define V4L2_CID_PARAMETRIC_TEST_PATTERN (V4L2_CID_USER_BASE | 0x1001)

static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl)
{
@@ -508,7 +509,7 @@ static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl)
container_of(ctrl->handler, struct mt9v032, ctrls);
struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev);
u32 freq;
- u16 data;
+ u16 data = 0;

switch (ctrl->id) {
case V4L2_CID_AUTOGAIN:
@@ -543,8 +544,10 @@ static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl)
mt9v032->pixel_rate->val64 = freq;
mt9v032->sysclk = freq;
break;
-
case V4L2_CID_TEST_PATTERN:
+ mt9v032->test_pattern = ctrl->val;
+ if (mt9v032->test_pattern > 3)
+ break;
switch (ctrl->val) {
case 0:
data = 0;
@@ -561,15 +564,18 @@ static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl)
data = MT9V032_TEST_PATTERN_GRAY_DIAGONAL
| MT9V032_TEST_PATTERN_ENABLE;
break;
- default:
- data = (ctrl->val << MT9V032_TEST_PATTERN_DATA_SHIFT)
- | MT9V032_TEST_PATTERN_USE_DATA
- | MT9V032_TEST_PATTERN_ENABLE
- | MT9V032_TEST_PATTERN_FLIP;
- break;
}

return mt9v032_write(client, MT9V032_TEST_PATTERN, data);
+
+ case V4L2_CID_PARAMETRIC_TEST_PATTERN:
+ if (mt9v032->test_pattern != 4)
+ return 0;
+ data = (ctrl->val << MT9V032_TEST_PATTERN_DATA_SHIFT)
+ | MT9V032_TEST_PATTERN_USE_DATA
+ | MT9V032_TEST_PATTERN_ENABLE
+ | MT9V032_TEST_PATTERN_FLIP;
+ return mt9v032_write(client, MT9V032_TEST_PATTERN, data);
}

return 0;
@@ -579,16 +585,24 @@ static struct v4l2_ctrl_ops mt9v032_ctrl_ops = {
.s_ctrl = mt9v032_s_ctrl,
};

+static const char * const mt9v032_test_pattern_menu[] = {
+ "Disabled",
+ "Gray Vertical Shade",
+ "Gray Horizontal Shade",
+ "Gray Diagonal Shade",
+ "Parametric Test Pattern",
+};
+
static const struct v4l2_ctrl_config mt9v032_ctrls[] = {
{
.ops = &mt9v032_ctrl_ops,
- .id = V4L2_CID_TEST_PATTERN,
+ .id = V4L2_CID_PARAMETRIC_TEST_PATTERN,
.type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Test pattern",
- .min = 0,
+ .name = "Parametric Test Pattern Values",
+ .min = 4,
.max = 1023,
.step = 1,
- .def = 0,
+ .def = 4,
.flags = 0,
}
};
@@ -741,7 +755,7 @@ static int mt9v032_probe(struct i2c_client *client,
mutex_init(&mt9v032->power_lock);
mt9v032->pdata = pdata;

- v4l2_ctrl_handler_init(&mt9v032->ctrls, ARRAY_SIZE(mt9v032_ctrls) + 8);
+ v4l2_ctrl_handler_init(&mt9v032->ctrls, ARRAY_SIZE(mt9v032_ctrls) + 9);

v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops,
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
@@ -763,6 +777,10 @@ static int mt9v032_probe(struct i2c_client *client,
V4L2_CID_VBLANK, MT9V032_VERTICAL_BLANKING_MIN,
MT9V032_VERTICAL_BLANKING_MAX, 1,
MT9V032_VERTICAL_BLANKING_DEF);
+ v4l2_ctrl_new_std_menu_items(&mt9v032->ctrls, &mt9v032_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+ ARRAY_SIZE(mt9v032_test_pattern_menu) - 1, 0,
+ 0, mt9v032_test_pattern_menu);

mt9v032->pixel_rate =
v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops,
--
1.7.4.1

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