mirror of https://gitee.com/openkylin/linux.git
media: mt9m111: add V4L2_CID_TEST_PATTERN control
The mt9m111 has the test pattern generator features. This makes use of it through V4L2_CID_TEST_PATTERN control. Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -92,6 +92,7 @@
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*/
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#define MT9M111_OPER_MODE_CTRL 0x106
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#define MT9M111_OUTPUT_FORMAT_CTRL 0x108
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#define MT9M111_TPG_CTRL 0x148
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#define MT9M111_REDUCER_XZOOM_B 0x1a0
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#define MT9M111_REDUCER_XSIZE_B 0x1a1
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#define MT9M111_REDUCER_YZOOM_B 0x1a3
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@ -124,6 +125,7 @@
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#define MT9M111_OUTFMT_AVG_CHROMA (1 << 2)
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#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN (1 << 1)
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#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B (1 << 0)
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#define MT9M111_TPG_SEL_MASK GENMASK(2, 0)
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/*
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* Camera control register addresses (0x200..0x2ff not implemented)
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@ -706,6 +708,25 @@ static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on)
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return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
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}
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static const char * const mt9m111_test_pattern_menu[] = {
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"Disabled",
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"Vertical monochrome gradient",
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"Flat color type 1",
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"Flat color type 2",
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"Flat color type 3",
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"Flat color type 4",
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"Flat color type 5",
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"Color bar",
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};
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static int mt9m111_set_test_pattern(struct mt9m111 *mt9m111, int val)
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{
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struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
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return mt9m111_reg_mask(client, MT9M111_TPG_CTRL, val,
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MT9M111_TPG_SEL_MASK);
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}
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static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct mt9m111 *mt9m111 = container_of(ctrl->handler,
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@ -724,6 +745,8 @@ static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
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return mt9m111_set_autoexposure(mt9m111, ctrl->val);
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case V4L2_CID_AUTO_WHITE_BALANCE:
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return mt9m111_set_autowhitebalance(mt9m111, ctrl->val);
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case V4L2_CID_TEST_PATTERN:
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return mt9m111_set_test_pattern(mt9m111, ctrl->val);
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}
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return -EINVAL;
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@ -968,6 +991,10 @@ static int mt9m111_probe(struct i2c_client *client,
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v4l2_ctrl_new_std_menu(&mt9m111->hdl,
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&mt9m111_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, 1, 0,
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V4L2_EXPOSURE_AUTO);
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v4l2_ctrl_new_std_menu_items(&mt9m111->hdl,
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&mt9m111_ctrl_ops, V4L2_CID_TEST_PATTERN,
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ARRAY_SIZE(mt9m111_test_pattern_menu) - 1, 0, 0,
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mt9m111_test_pattern_menu);
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mt9m111->subdev.ctrl_handler = &mt9m111->hdl;
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if (mt9m111->hdl.error) {
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ret = mt9m111->hdl.error;
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