@@ -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_XZOOM_B 0x1a0
#define MT9M111_REDUCER_XSIZE_B 0x1a1
#define MT9M111_REDUCER_YZOOM_B 0x1a3
@@ -103,6 +104,15 @@
#define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1)
#define MT9M111_OUTFMT_FLIP_BAYER_COL (1 << 9)
#define MT9M111_OUTFMT_FLIP_BAYER_ROW (1 << 8)
+#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)
@@ -138,6 +148,11 @@
#define MT9M111_MAX_HEIGHT 1024
#define MT9M111_MAX_WIDTH 1280
+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");
+
/* MT9M111 has only one fixed colorspace per pixelcode */
struct mt9m111_datafmt {
enum v4l2_mbus_pixelcode code;
@@ -459,6 +474,7 @@ static int mt9m111_set_pixfmt(struct i2c_client *client,
enum v4l2_mbus_pixelcode code)
{
u16 data_outfmt1 = 0, data_outfmt2 = 0, mask_outfmt1, mask_outfmt2;
+ u16 pattern = 0;
int ret;
switch (code) {
@@ -525,6 +541,47 @@ static int mt9m111_set_pixfmt(struct i2c_client *client,
ret = reg_mask(OUTPUT_FORMAT_CTRL, data_outfmt1, mask_outfmt1);
+ 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);
+
if (!ret)
ret = reg_mask(OUTPUT_FORMAT_CTRL2_A, data_outfmt2,
mask_outfmt2);