Signed-off-by: Philipp Wiesner <p.wies...@phytec.de>
Signed-off-by: Michael Grzeschik <m.grzesc...@pengutronix.de>
---
drivers/media/video/mt9m111.c | 63 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 63 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index f327177..799a735 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -87,6 +87,7 @@
*/
#define MT9M111_OPER_MODE_CTRL 0x106
#define MT9M111_OUTPUT_FORMAT_CTRL 0x108
+#define MT9M111_TEST_PATTERN_GEN 0x148
#define MT9M111_REDUCER_XPAN_B 0x19f
#define MT9M111_REDUCER_XZOOM_B 0x1a0
#define MT9M111_REDUCER_XSIZE_B 0x1a1
@@ -110,6 +111,15 @@
#define MT9M111_OUTFMT_FLIP_BAYER_ROW (1 << 8)
#define MT9M111_OUTFMT_CFA_1ST_ROW_BLUE (1 << 1)
#define MT9M111_OUTFMT_CFA_1ST_COL_R_B (1 << 0)
+#define MT9M111_TST_PATT_OFF (0 << 0)
+#define MT9M111_TST_PATT_1 (1 << 0)
+#define MT9M111_TST_PATT_2 (2 << 0)
+#define MT9M111_TST_PATT_3 (3 << 0)
+#define MT9M111_TST_PATT_4 (4 << 0)
+#define MT9M111_TST_PATT_5 (5 << 0)
+#define MT9M111_TST_PATT_6 (6 << 0)
+#define MT9M111_TST_PATT_COLORBARS (7 << 0)
+#define MT9M111_TST_PATT_FORCE_WB_GAIN_1 (1 << 7)
#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14)
#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10)
#define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9)
@@ -149,6 +159,13 @@
#define MT9M111_DEF_HEIGHT 1024
#define MT9M111_DEF_WIDTH 1280
+#ifdef DEBUG
+static int testpattern;
+module_param(testpattern, int, S_IRUGO);
+MODULE_PARM_DESC(testpattern, "Test pattern: a number from 1 to 10, 0 for "
+ "normal usage");
+#endif
+
static int soft_crop;
module_param(soft_crop, int, S_IRUGO);
MODULE_PARM_DESC(soft_crop, "Enables soft-cropping and thus the use of "
@@ -556,6 +573,9 @@ static int mt9m111_set_pixfmt(struct i2c_client *client,
{
u16 data_outfmt1 = 0, data_outfmt2 = 0, mask_outfmt1, mask_outfmt2;
u16 data_opermod;
+#ifdef DEBUG
+ u16 pattern = 0;
+#endif
int ret;
data_opermod = MT9M111_OPMODE_AUTOEXPO_EN |
@@ -616,6 +636,49 @@ static int mt9m111_set_pixfmt(struct i2c_client *client,
ret = reg_mask(OUTPUT_FORMAT_CTRL, data_outfmt1, mask_outfmt1);
+#ifdef DEBUG
+ switch (testpattern) {
+ case 1:
+ pattern = MT9M111_TST_PATT_1 | MT9M111_TST_PATT_FORCE_WB_GAIN_1;
+ break;
+ case 2:
+ pattern = MT9M111_TST_PATT_2 | MT9M111_TST_PATT_FORCE_WB_GAIN_1;
+ break;
+ case 3:
+ pattern = MT9M111_TST_PATT_3 | MT9M111_TST_PATT_FORCE_WB_GAIN_1;
+ break;
+ case 4:
+ pattern = MT9M111_TST_PATT_4 | MT9M111_TST_PATT_FORCE_WB_GAIN_1;
+ break;
+ case 5:
+ pattern = MT9M111_TST_PATT_5 | MT9M111_TST_PATT_FORCE_WB_GAIN_1;
+ break;
+ case 6:
+ pattern = MT9M111_TST_PATT_6 | MT9M111_TST_PATT_FORCE_WB_GAIN_1;
+ break;
+ case 7:
+ pattern = MT9M111_TST_PATT_COLORBARS |
+ MT9M111_TST_PATT_FORCE_WB_GAIN_1;
+ break;
+ case 8:
+ data_outfmt2 |= MT9M111_OUTFMT_TST_RAMP_COL;
+ break;
+ case 9:
+ data_outfmt2 |= MT9M111_OUTFMT_TST_RAMP_ROW;
+ break;
+ case 10:
+ data_outfmt2 |= MT9M111_OUTFMT_TST_RAMP_FRAME;
+ break;
+ }
+
+ dev_dbg(&client->dev, "%s: using testpattern %d\n", __func__,
+ testpattern);
+
+ if (!ret)
+ ret = mt9m111_reg_set(client,
+ MT9M111_TEST_PATTERN_GEN, pattern);
+#endif
+
if (!ret)
ret = reg_mask(OUTPUT_FORMAT_CTRL2_A, data_outfmt2,
mask_outfmt2);
--
1.7.1
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