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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:46 +0000 |
commit | 7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch) | |
tree | bcc69b5f4609f348fac49e2f59e210b29eaea783 /drivers/media/i2c/ov2680.c | |
parent | Adding upstream version 6.9.12. (diff) | |
download | linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip |
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/i2c/ov2680.c')
-rw-r--r-- | drivers/media/i2c/ov2680.c | 90 |
1 files changed, 71 insertions, 19 deletions
diff --git a/drivers/media/i2c/ov2680.c b/drivers/media/i2c/ov2680.c index 4577a8977c..3ae0ea5866 100644 --- a/drivers/media/i2c/ov2680.c +++ b/drivers/media/i2c/ov2680.c @@ -75,6 +75,8 @@ #define OV2680_ACTIVE_START_TOP 8 #define OV2680_MIN_CROP_WIDTH 2 #define OV2680_MIN_CROP_HEIGHT 2 +#define OV2680_MIN_VBLANK 4 +#define OV2680_MAX_VBLANK 0xffff /* Fixed pre-div of 1/2 */ #define OV2680_PLL_PREDIV0 2 @@ -84,10 +86,7 @@ /* 66MHz pixel clock: 66MHz / 1704 * 1294 = 30fps */ #define OV2680_PIXELS_PER_LINE 1704 -#define OV2680_LINES_PER_FRAME 1294 - -/* If possible send 16 extra rows / lines to the ISP as padding */ -#define OV2680_END_MARGIN 16 +#define OV2680_LINES_PER_FRAME_30FPS 1294 /* Max exposure time is VTS - 8 */ #define OV2680_INTEGRATION_TIME_MARGIN 8 @@ -130,6 +129,8 @@ struct ov2680_ctrls { struct v4l2_ctrl *test_pattern; struct v4l2_ctrl *link_freq; struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *vblank; + struct v4l2_ctrl *hblank; }; struct ov2680_mode { @@ -143,8 +144,6 @@ struct ov2680_mode { u16 v_end; u16 h_output_size; u16 v_output_size; - u16 hts; - u16 vts; }; struct ov2680_dev { @@ -359,15 +358,11 @@ static void ov2680_calc_mode(struct ov2680_dev *sensor) sensor->mode.v_start = (sensor->mode.crop.top + (sensor->mode.crop.height - height) / 2) & ~1; sensor->mode.h_end = - min(sensor->mode.h_start + width + OV2680_END_MARGIN - 1, - OV2680_NATIVE_WIDTH - 1); + min(sensor->mode.h_start + width - 1, OV2680_NATIVE_WIDTH - 1); sensor->mode.v_end = - min(sensor->mode.v_start + height + OV2680_END_MARGIN - 1, - OV2680_NATIVE_HEIGHT - 1); + min(sensor->mode.v_start + height - 1, OV2680_NATIVE_HEIGHT - 1); sensor->mode.h_output_size = orig_width; sensor->mode.v_output_size = orig_height; - sensor->mode.hts = OV2680_PIXELS_PER_LINE; - sensor->mode.vts = OV2680_LINES_PER_FRAME; } static int ov2680_set_mode(struct ov2680_dev *sensor) @@ -402,9 +397,8 @@ static int ov2680_set_mode(struct ov2680_dev *sensor) cci_write(sensor->regmap, OV2680_REG_VERTICAL_OUTPUT_SIZE, sensor->mode.v_output_size, &ret); cci_write(sensor->regmap, OV2680_REG_TIMING_HTS, - sensor->mode.hts, &ret); - cci_write(sensor->regmap, OV2680_REG_TIMING_VTS, - sensor->mode.vts, &ret); + OV2680_PIXELS_PER_LINE, &ret); + /* VTS gets set by the vblank ctrl */ cci_write(sensor->regmap, OV2680_REG_ISP_X_WIN, 0, &ret); cci_write(sensor->regmap, OV2680_REG_ISP_Y_WIN, 0, &ret); cci_write(sensor->regmap, OV2680_REG_X_INC, inc, &ret); @@ -478,6 +472,15 @@ static int ov2680_exposure_set(struct ov2680_dev *sensor, u32 exp) NULL); } +static int ov2680_exposure_update_range(struct ov2680_dev *sensor) +{ + int exp_max = sensor->mode.fmt.height + sensor->ctrls.vblank->val - + OV2680_INTEGRATION_TIME_MARGIN; + + return __v4l2_ctrl_modify_range(sensor->ctrls.exposure, 0, exp_max, + 1, exp_max); +} + static int ov2680_stream_enable(struct ov2680_dev *sensor) { int ret; @@ -644,7 +647,7 @@ static int ov2680_set_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *try_fmt; const struct v4l2_rect *crop; unsigned int width, height; - int ret = 0; + int def, max, ret = 0; crop = __ov2680_get_pad_crop(sensor, sd_state, format->pad, format->which); @@ -673,6 +676,27 @@ static int ov2680_set_fmt(struct v4l2_subdev *sd, sensor->mode.fmt = format->format; ov2680_calc_mode(sensor); + /* vblank range is height dependent adjust and reset to default */ + max = OV2680_MAX_VBLANK - height; + def = OV2680_LINES_PER_FRAME_30FPS - height; + ret = __v4l2_ctrl_modify_range(sensor->ctrls.vblank, OV2680_MIN_VBLANK, + max, 1, def); + if (ret) + goto unlock; + + ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.vblank, def); + if (ret) + goto unlock; + + /* exposure range depends on vts which may have changed */ + ret = ov2680_exposure_update_range(sensor); + if (ret) + goto unlock; + + /* adjust hblank value for new width */ + def = OV2680_PIXELS_PER_LINE - width; + ret = __v4l2_ctrl_modify_range(sensor->ctrls.hblank, def, def, 1, def); + unlock: mutex_unlock(&sensor->lock); @@ -842,6 +866,13 @@ static int ov2680_s_ctrl(struct v4l2_ctrl *ctrl) struct ov2680_dev *sensor = to_ov2680_dev(sd); int ret; + /* Update exposure range on vblank changes */ + if (ctrl->id == V4L2_CID_VBLANK) { + ret = ov2680_exposure_update_range(sensor); + if (ret) + return ret; + } + /* Only apply changes to the controls if the device is powered up */ if (!pm_runtime_get_if_in_use(sensor->sd.dev)) { ov2680_set_bayer_order(sensor, &sensor->mode.fmt); @@ -864,6 +895,10 @@ static int ov2680_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_TEST_PATTERN: ret = ov2680_test_pattern_set(sensor, ctrl->val); break; + case V4L2_CID_VBLANK: + ret = cci_write(sensor->regmap, OV2680_REG_TIMING_VTS, + sensor->mode.fmt.height + ctrl->val, NULL); + break; default: ret = -EINVAL; break; @@ -922,8 +957,8 @@ static int ov2680_v4l2_register(struct ov2680_dev *sensor) const struct v4l2_ctrl_ops *ops = &ov2680_ctrl_ops; struct ov2680_ctrls *ctrls = &sensor->ctrls; struct v4l2_ctrl_handler *hdl = &ctrls->handler; - int exp_max = OV2680_LINES_PER_FRAME - OV2680_INTEGRATION_TIME_MARGIN; - int ret = 0; + struct v4l2_fwnode_device_properties props; + int def, max, ret = 0; v4l2_i2c_subdev_init(&sensor->sd, client, &ov2680_subdev_ops); sensor->sd.internal_ops = &ov2680_internal_ops; @@ -948,8 +983,9 @@ static int ov2680_v4l2_register(struct ov2680_dev *sensor) ARRAY_SIZE(test_pattern_menu) - 1, 0, 0, test_pattern_menu); + max = OV2680_LINES_PER_FRAME_30FPS - OV2680_INTEGRATION_TIME_MARGIN; ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, - 0, exp_max, 1, exp_max); + 0, max, 1, max); ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_ANALOGUE_GAIN, 0, 1023, 1, 250); @@ -960,6 +996,21 @@ static int ov2680_v4l2_register(struct ov2680_dev *sensor) 0, sensor->pixel_rate, 1, sensor->pixel_rate); + max = OV2680_MAX_VBLANK - OV2680_DEFAULT_HEIGHT; + def = OV2680_LINES_PER_FRAME_30FPS - OV2680_DEFAULT_HEIGHT; + ctrls->vblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VBLANK, + OV2680_MIN_VBLANK, max, 1, def); + + def = OV2680_PIXELS_PER_LINE - OV2680_DEFAULT_WIDTH; + ctrls->hblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HBLANK, + def, def, 1, def); + + ret = v4l2_fwnode_device_parse(sensor->dev, &props); + if (ret) + goto cleanup_entity; + + v4l2_ctrl_new_fwnode_properties(hdl, ops, &props); + if (hdl->error) { ret = hdl->error; goto cleanup_entity; @@ -968,6 +1019,7 @@ static int ov2680_v4l2_register(struct ov2680_dev *sensor) ctrls->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; ctrls->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; ctrls->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; + ctrls->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; sensor->sd.ctrl_handler = hdl; |