diff options
Diffstat (limited to 'drivers/media/i2c/adv7842.c')
-rw-r--r-- | drivers/media/i2c/adv7842.c | 94 |
1 files changed, 65 insertions, 29 deletions
diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c index 05d65a8..23f3c1f 100644 --- a/drivers/media/i2c/adv7842.c +++ b/drivers/media/i2c/adv7842.c @@ -1034,34 +1034,60 @@ static void set_rgb_quantization_range(struct v4l2_subdev *sd) { struct adv7842_state *state = to_state(sd); + v4l2_dbg(2, debug, sd, "%s: rgb_quantization_range = %d\n", + __func__, state->rgb_quantization_range); + switch (state->rgb_quantization_range) { case V4L2_DV_RGB_RANGE_AUTO: - /* automatic */ - if (is_digital_input(sd) && !(hdmi_read(sd, 0x05) & 0x80)) { - /* receiving DVI-D signal */ - - /* ADV7842 selects RGB limited range regardless of - input format (CE/IT) in automatic mode */ - if (state->timings.bt.standards & V4L2_DV_BT_STD_CEA861) { - /* RGB limited range (16-235) */ - io_write_and_or(sd, 0x02, 0x0f, 0x00); - - } else { - /* RGB full range (0-255) */ - io_write_and_or(sd, 0x02, 0x0f, 0x10); - } - } else { - /* receiving HDMI or analog signal, set automode */ + if (state->mode == ADV7842_MODE_RGB) { + /* Receiving analog RGB signal + * Set RGB full range (0-255) */ + io_write_and_or(sd, 0x02, 0x0f, 0x10); + break; + } + + if (state->mode == ADV7842_MODE_COMP) { + /* Receiving analog YPbPr signal + * Set automode */ + io_write_and_or(sd, 0x02, 0x0f, 0xf0); + break; + } + + if (hdmi_read(sd, 0x05) & 0x80) { + /* Receiving HDMI signal + * Set automode */ io_write_and_or(sd, 0x02, 0x0f, 0xf0); + break; + } + + /* Receiving DVI-D signal + * ADV7842 selects RGB limited range regardless of + * input format (CE/IT) in automatic mode */ + if (state->timings.bt.standards & V4L2_DV_BT_STD_CEA861) { + /* RGB limited range (16-235) */ + io_write_and_or(sd, 0x02, 0x0f, 0x00); + } else { + /* RGB full range (0-255) */ + io_write_and_or(sd, 0x02, 0x0f, 0x10); } break; case V4L2_DV_RGB_RANGE_LIMITED: - /* RGB limited range (16-235) */ - io_write_and_or(sd, 0x02, 0x0f, 0x00); + if (state->mode == ADV7842_MODE_COMP) { + /* YCrCb limited range (16-235) */ + io_write_and_or(sd, 0x02, 0x0f, 0x20); + } else { + /* RGB limited range (16-235) */ + io_write_and_or(sd, 0x02, 0x0f, 0x00); + } break; case V4L2_DV_RGB_RANGE_FULL: - /* RGB full range (0-255) */ - io_write_and_or(sd, 0x02, 0x0f, 0x10); + if (state->mode == ADV7842_MODE_COMP) { + /* YCrCb full range (0-255) */ + io_write_and_or(sd, 0x02, 0x0f, 0x60); + } else { + /* RGB full range (0-255) */ + io_write_and_or(sd, 0x02, 0x0f, 0x10); + } break; } } @@ -1299,7 +1325,7 @@ static int adv7842_dv_timings_cap(struct v4l2_subdev *sd, } /* Fill the optional fields .standards and .flags in struct v4l2_dv_timings - if the format is listed in adv7604_timings[] */ + if the format is listed in adv7842_timings[] */ static void adv7842_fill_optional_dv_timings_fields(struct v4l2_subdev *sd, struct v4l2_dv_timings *timings) { @@ -1442,6 +1468,8 @@ static int adv7842_g_dv_timings(struct v4l2_subdev *sd, static void enable_input(struct v4l2_subdev *sd) { struct adv7842_state *state = to_state(sd); + + set_rgb_quantization_range(sd); switch (state->mode) { case ADV7842_MODE_SDP: case ADV7842_MODE_COMP: @@ -1586,6 +1614,13 @@ static void select_input(struct v4l2_subdev *sd, afe_write(sd, 0x00, 0x00); /* power up ADC */ afe_write(sd, 0xc8, 0x00); /* phase control */ + if (state->mode == ADV7842_MODE_COMP) { + /* force to YCrCb */ + io_write_and_or(sd, 0x02, 0x0f, 0x60); + } else { + /* force to RGB */ + io_write_and_or(sd, 0x02, 0x0f, 0x10); + } /* set ADI recommended settings for digitizer */ /* "ADV7842 Register Settings Recommendations @@ -1681,19 +1716,19 @@ static int adv7842_s_routing(struct v4l2_subdev *sd, switch (input) { case ADV7842_SELECT_HDMI_PORT_A: - /* TODO select HDMI_COMP or HDMI_GR */ state->mode = ADV7842_MODE_HDMI; state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P; state->hdmi_port_a = true; break; case ADV7842_SELECT_HDMI_PORT_B: - /* TODO select HDMI_COMP or HDMI_GR */ state->mode = ADV7842_MODE_HDMI; state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P; state->hdmi_port_a = false; break; case ADV7842_SELECT_VGA_COMP: - v4l2_info(sd, "%s: VGA component: todo\n", __func__); + state->mode = ADV7842_MODE_COMP; + state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE; + break; case ADV7842_SELECT_VGA_RGB: state->mode = ADV7842_MODE_RGB; state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE; @@ -2112,7 +2147,7 @@ static int adv7842_cp_log_status(struct v4l2_subdev *sd) static const char * const input_color_space_txt[16] = { "RGB limited range (16-235)", "RGB full range (0-255)", "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)", - "XvYCC Bt.601", "XvYCC Bt.709", + "xvYCC Bt.601", "xvYCC Bt.709", "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)", "invalid", "invalid", "invalid", "invalid", "invalid", "invalid", "invalid", "automatic" @@ -2341,9 +2376,10 @@ static int adv7842_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm) /* ----------------------------------------------------------------------- */ -static int adv7842_core_init(struct v4l2_subdev *sd, - const struct adv7842_platform_data *pdata) +static int adv7842_core_init(struct v4l2_subdev *sd) { + struct adv7842_state *state = to_state(sd); + struct adv7842_platform_data *pdata = &state->pdata; hdmi_write(sd, 0x48, (pdata->disable_pwrdnb ? 0x80 : 0) | (pdata->disable_cable_det_rst ? 0x40 : 0)); @@ -2356,7 +2392,7 @@ static int adv7842_core_init(struct v4l2_subdev *sd, /* video format */ io_write(sd, 0x02, - pdata->inp_color_space << 4 | + 0xf0 | pdata->alt_gamma << 3 | pdata->op_656_range << 2 | pdata->rgb_out << 1 | @@ -2570,7 +2606,7 @@ static int adv7842_command_ram_test(struct v4l2_subdev *sd) adv7842_rewrite_i2c_addresses(sd, pdata); /* and re-init chip and state */ - adv7842_core_init(sd, pdata); + adv7842_core_init(sd); disable_input(sd); |