diff options
Diffstat (limited to 'drivers/staging/media/atomisp/i2c/atomisp-ov2722.c')
| -rw-r--r-- | drivers/staging/media/atomisp/i2c/atomisp-ov2722.c | 195 |
1 files changed, 15 insertions, 180 deletions
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c index 887b6f99f6ca..5d2e6e2e72f0 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c @@ -261,134 +261,6 @@ static int ov2722_write_reg_array(struct i2c_client *client, return __ov2722_flush_reg_array(client, &ctrl); } -static int ov2722_g_focal(struct v4l2_subdev *sd, s32 *val) -{ - *val = (OV2722_FOCAL_LENGTH_NUM << 16) | OV2722_FOCAL_LENGTH_DEM; - return 0; -} - -static int ov2722_g_fnumber(struct v4l2_subdev *sd, s32 *val) -{ - /*const f number for imx*/ - *val = (OV2722_F_NUMBER_DEFAULT_NUM << 16) | OV2722_F_NUMBER_DEM; - return 0; -} - -static int ov2722_g_fnumber_range(struct v4l2_subdev *sd, s32 *val) -{ - *val = (OV2722_F_NUMBER_DEFAULT_NUM << 24) | - (OV2722_F_NUMBER_DEM << 16) | - (OV2722_F_NUMBER_DEFAULT_NUM << 8) | OV2722_F_NUMBER_DEM; - return 0; -} - -static int ov2722_get_intg_factor(struct i2c_client *client, - struct camera_mipi_info *info, - const struct ov2722_resolution *res) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct ov2722_device *dev = NULL; - struct atomisp_sensor_mode_data *buf = &info->data; - const unsigned int ext_clk_freq_hz = 19200000; - const unsigned int pll_invariant_div = 10; - unsigned int pix_clk_freq_hz; - u16 pre_pll_clk_div; - u16 pll_multiplier; - u16 op_pix_clk_div; - u16 reg_val; - int ret; - - if (!info) - return -EINVAL; - - dev = to_ov2722_sensor(sd); - - /* pixel clock calculattion */ - ret = ov2722_read_reg(client, OV2722_8BIT, - OV2722_SC_CMMN_PLL_CTRL3, &pre_pll_clk_div); - if (ret) - return ret; - - ret = ov2722_read_reg(client, OV2722_8BIT, - OV2722_SC_CMMN_PLL_MULTIPLIER, &pll_multiplier); - if (ret) - return ret; - - ret = ov2722_read_reg(client, OV2722_8BIT, - OV2722_SC_CMMN_PLL_DEBUG_OPT, &op_pix_clk_div); - if (ret) - return ret; - - pre_pll_clk_div = (pre_pll_clk_div & 0x70) >> 4; - if (!pre_pll_clk_div) - return -EINVAL; - - pll_multiplier = pll_multiplier & 0x7f; - op_pix_clk_div = op_pix_clk_div & 0x03; - pix_clk_freq_hz = ext_clk_freq_hz / pre_pll_clk_div * pll_multiplier - * op_pix_clk_div / pll_invariant_div; - - dev->vt_pix_clk_freq_mhz = pix_clk_freq_hz; - buf->vt_pix_clk_freq_mhz = pix_clk_freq_hz; - - /* get integration time */ - buf->coarse_integration_time_min = OV2722_COARSE_INTG_TIME_MIN; - buf->coarse_integration_time_max_margin = - OV2722_COARSE_INTG_TIME_MAX_MARGIN; - - buf->fine_integration_time_min = OV2722_FINE_INTG_TIME_MIN; - buf->fine_integration_time_max_margin = - OV2722_FINE_INTG_TIME_MAX_MARGIN; - - buf->fine_integration_time_def = OV2722_FINE_INTG_TIME_MIN; - buf->frame_length_lines = res->lines_per_frame; - buf->line_length_pck = res->pixels_per_line; - buf->read_mode = res->bin_mode; - - /* get the cropping and output resolution to ISP for this mode. */ - ret = ov2722_read_reg(client, OV2722_16BIT, - OV2722_H_CROP_START_H, ®_val); - if (ret) - return ret; - buf->crop_horizontal_start = reg_val; - - ret = ov2722_read_reg(client, OV2722_16BIT, - OV2722_V_CROP_START_H, ®_val); - if (ret) - return ret; - buf->crop_vertical_start = reg_val; - - ret = ov2722_read_reg(client, OV2722_16BIT, - OV2722_H_CROP_END_H, ®_val); - if (ret) - return ret; - buf->crop_horizontal_end = reg_val; - - ret = ov2722_read_reg(client, OV2722_16BIT, - OV2722_V_CROP_END_H, ®_val); - if (ret) - return ret; - buf->crop_vertical_end = reg_val; - - ret = ov2722_read_reg(client, OV2722_16BIT, - OV2722_H_OUTSIZE_H, ®_val); - if (ret) - return ret; - buf->output_width = reg_val; - - ret = ov2722_read_reg(client, OV2722_16BIT, - OV2722_V_OUTSIZE_H, ®_val); - if (ret) - return ret; - buf->output_height = reg_val; - - buf->binning_factor_x = res->bin_factor_x ? - res->bin_factor_x : 1; - buf->binning_factor_y = res->bin_factor_y ? - res->bin_factor_y : 1; - return 0; -} - static long __ov2722_set_exposure(struct v4l2_subdev *sd, int coarse_itg, int gain, int digitgain) @@ -547,15 +419,6 @@ static int ov2722_g_volatile_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_EXPOSURE_ABSOLUTE: ret = ov2722_q_exposure(&dev->sd, &ctrl->val); break; - case V4L2_CID_FOCAL_ABSOLUTE: - ret = ov2722_g_focal(&dev->sd, &ctrl->val); - break; - case V4L2_CID_FNUMBER_ABSOLUTE: - ret = ov2722_g_fnumber(&dev->sd, &ctrl->val); - break; - case V4L2_CID_FNUMBER_RANGE: - ret = ov2722_g_fnumber_range(&dev->sd, &ctrl->val); - break; case V4L2_CID_LINK_FREQ: val = dev->res->mipi_freq; if (val == 0) @@ -588,39 +451,6 @@ static const struct v4l2_ctrl_config ov2722_controls[] = { }, { .ops = &ctrl_ops, - .id = V4L2_CID_FOCAL_ABSOLUTE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "focal length", - .min = OV2722_FOCAL_LENGTH_DEFAULT, - .max = OV2722_FOCAL_LENGTH_DEFAULT, - .step = 0x01, - .def = OV2722_FOCAL_LENGTH_DEFAULT, - .flags = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_FNUMBER_ABSOLUTE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "f-number", - .min = OV2722_F_NUMBER_DEFAULT, - .max = OV2722_F_NUMBER_DEFAULT, - .step = 0x01, - .def = OV2722_F_NUMBER_DEFAULT, - .flags = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_FNUMBER_RANGE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "f-number range", - .min = OV2722_F_NUMBER_RANGE, - .max = OV2722_F_NUMBER_RANGE, - .step = 0x01, - .def = OV2722_F_NUMBER_RANGE, - .flags = 0, - }, - { - .ops = &ctrl_ops, .id = V4L2_CID_LINK_FREQ, .name = "Link Frequency", .type = V4L2_CTRL_TYPE_INTEGER, @@ -682,10 +512,7 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag) * before PWDN# when turning it on or off. */ ret = dev->platform_data->gpio0_ctrl(sd, flag); - /* - *ov2722 PWDN# active high when pull down,opposite to the convention - */ - ret |= dev->platform_data->gpio1_ctrl(sd, !flag); + ret |= dev->platform_data->gpio1_ctrl(sd, flag); return ret; } @@ -701,6 +528,9 @@ static int power_up(struct v4l2_subdev *sd) return -ENODEV; } + if (dev->power_on == 1) + return 0; /* Already on */ + /* power control */ ret = power_ctrl(sd, 1); if (ret) @@ -725,6 +555,7 @@ static int power_up(struct v4l2_subdev *sd) /* according to DS, 20ms is needed between PWDN and i2c access */ msleep(20); + dev->power_on = 1; return 0; fail_clk: @@ -748,6 +579,9 @@ static int power_down(struct v4l2_subdev *sd) return -ENODEV; } + if (dev->power_on == 0) + return 0; /* Already off */ + ret = dev->platform_data->flisclk_ctrl(sd, 0); if (ret) dev_err(&client->dev, "flisclk failed\n"); @@ -765,6 +599,7 @@ static int power_down(struct v4l2_subdev *sd) if (ret) dev_err(&client->dev, "vprog failed.\n"); + dev->power_on = 0; return ret; } @@ -824,7 +659,6 @@ static int ov2722_set_fmt(struct v4l2_subdev *sd, if (!ov2722_info) return -EINVAL; - mutex_lock(&dev->input_lock); res = v4l2_find_nearest_size(ov2722_res_preview, ARRAY_SIZE(ov2722_res_preview), width, height, fmt->width, fmt->height); @@ -838,10 +672,13 @@ static int ov2722_set_fmt(struct v4l2_subdev *sd, fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10; if (format->which == V4L2_SUBDEV_FORMAT_TRY) { sd_state->pads->try_fmt = *fmt; - mutex_unlock(&dev->input_lock); return 0; } + mutex_lock(&dev->input_lock); + + /* s_power has not been called yet for std v4l2 clients (camorama) */ + power_up(sd); dev->pixels_per_line = dev->res->pixels_per_line; dev->lines_per_frame = dev->res->lines_per_frame; @@ -875,10 +712,6 @@ static int ov2722_set_fmt(struct v4l2_subdev *sd, } } - ret = ov2722_get_intg_factor(client, ov2722_info, dev->res); - if (ret) - dev_err(&client->dev, "failed to get integration_factor\n"); - err: mutex_unlock(&dev->input_lock); return ret; @@ -1137,6 +970,7 @@ static int ov2722_probe(struct i2c_client *client) return -ENOMEM; mutex_init(&dev->input_lock); + dev->power_on = -1; dev->res = &ov2722_res_preview[0]; v4l2_i2c_subdev_init(&dev->sd, client, &ov2722_ops); @@ -1168,6 +1002,7 @@ out_ctrl_handler_free: v4l2_ctrl_handler_free(&dev->ctrl_handler); out_free: + atomisp_gmin_remove_subdev(&dev->sd); v4l2_device_unregister_subdev(&dev->sd); kfree(dev); return ret; |