diff options
Diffstat (limited to 'drivers/media/i2c/ad9389b.c')
| -rw-r--r-- | drivers/media/i2c/ad9389b.c | 163 |
1 files changed, 41 insertions, 122 deletions
diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c index ba4364dfae6..bb0c99d7a4f 100644 --- a/drivers/media/i2c/ad9389b.c +++ b/drivers/media/i2c/ad9389b.c @@ -33,6 +33,7 @@ #include <linux/v4l2-dv-timings.h> #include <media/v4l2-device.h> #include <media/v4l2-common.h> +#include <media/v4l2-dv-timings.h> #include <media/v4l2-ctrls.h> #include <media/ad9389b.h> @@ -442,22 +443,11 @@ static int ad9389b_log_status(struct v4l2_subdev *sd) vic_detect, vic_sent); } } - if (state->dv_timings.type == V4L2_DV_BT_656_1120) { - struct v4l2_bt_timings *bt = bt = &state->dv_timings.bt; - u32 frame_width = bt->width + bt->hfrontporch + - bt->hsync + bt->hbackporch; - u32 frame_height = bt->height + bt->vfrontporch + - bt->vsync + bt->vbackporch; - u32 frame_size = frame_width * frame_height; - - v4l2_info(sd, "timings: %ux%u%s%u (%ux%u). Pix freq. = %u Hz. Polarities = 0x%x\n", - bt->width, bt->height, bt->interlaced ? "i" : "p", - frame_size > 0 ? (unsigned)bt->pixelclock / frame_size : 0, - frame_width, frame_height, - (unsigned)bt->pixelclock, bt->polarities); - } else { + if (state->dv_timings.type == V4L2_DV_BT_656_1120) + v4l2_print_dv_timings(sd->name, "timings: ", + &state->dv_timings, false); + else v4l2_info(sd, "no timings set\n"); - } return 0; } @@ -636,95 +626,34 @@ static int ad9389b_s_stream(struct v4l2_subdev *sd, int enable) return 0; } -static const struct v4l2_dv_timings ad9389b_timings[] = { - V4L2_DV_BT_CEA_720X480P59_94, - V4L2_DV_BT_CEA_720X576P50, - V4L2_DV_BT_CEA_1280X720P24, - V4L2_DV_BT_CEA_1280X720P25, - V4L2_DV_BT_CEA_1280X720P30, - V4L2_DV_BT_CEA_1280X720P50, - V4L2_DV_BT_CEA_1280X720P60, - V4L2_DV_BT_CEA_1920X1080P24, - V4L2_DV_BT_CEA_1920X1080P25, - V4L2_DV_BT_CEA_1920X1080P30, - V4L2_DV_BT_CEA_1920X1080P50, - V4L2_DV_BT_CEA_1920X1080P60, - - V4L2_DV_BT_DMT_640X350P85, - V4L2_DV_BT_DMT_640X400P85, - V4L2_DV_BT_DMT_720X400P85, - V4L2_DV_BT_DMT_640X480P60, - V4L2_DV_BT_DMT_640X480P72, - V4L2_DV_BT_DMT_640X480P75, - V4L2_DV_BT_DMT_640X480P85, - V4L2_DV_BT_DMT_800X600P56, - V4L2_DV_BT_DMT_800X600P60, - V4L2_DV_BT_DMT_800X600P72, - V4L2_DV_BT_DMT_800X600P75, - V4L2_DV_BT_DMT_800X600P85, - V4L2_DV_BT_DMT_848X480P60, - V4L2_DV_BT_DMT_1024X768P60, - V4L2_DV_BT_DMT_1024X768P70, - V4L2_DV_BT_DMT_1024X768P75, - V4L2_DV_BT_DMT_1024X768P85, - V4L2_DV_BT_DMT_1152X864P75, - V4L2_DV_BT_DMT_1280X768P60_RB, - V4L2_DV_BT_DMT_1280X768P60, - V4L2_DV_BT_DMT_1280X768P75, - V4L2_DV_BT_DMT_1280X768P85, - V4L2_DV_BT_DMT_1280X800P60_RB, - V4L2_DV_BT_DMT_1280X800P60, - V4L2_DV_BT_DMT_1280X800P75, - V4L2_DV_BT_DMT_1280X800P85, - V4L2_DV_BT_DMT_1280X960P60, - V4L2_DV_BT_DMT_1280X960P85, - V4L2_DV_BT_DMT_1280X1024P60, - V4L2_DV_BT_DMT_1280X1024P75, - V4L2_DV_BT_DMT_1280X1024P85, - V4L2_DV_BT_DMT_1360X768P60, - V4L2_DV_BT_DMT_1400X1050P60_RB, - V4L2_DV_BT_DMT_1400X1050P60, - V4L2_DV_BT_DMT_1400X1050P75, - V4L2_DV_BT_DMT_1400X1050P85, - V4L2_DV_BT_DMT_1440X900P60_RB, - V4L2_DV_BT_DMT_1440X900P60, - V4L2_DV_BT_DMT_1600X1200P60, - V4L2_DV_BT_DMT_1680X1050P60_RB, - V4L2_DV_BT_DMT_1680X1050P60, - V4L2_DV_BT_DMT_1792X1344P60, - V4L2_DV_BT_DMT_1856X1392P60, - V4L2_DV_BT_DMT_1920X1200P60_RB, - V4L2_DV_BT_DMT_1366X768P60, - V4L2_DV_BT_DMT_1920X1080P60, - {}, +static const struct v4l2_dv_timings_cap ad9389b_timings_cap = { + .type = V4L2_DV_BT_656_1120, + .bt = { + .max_width = 1920, + .max_height = 1200, + .min_pixelclock = 25000000, + .max_pixelclock = 170000000, + .standards = V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | + V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, + .capabilities = V4L2_DV_BT_CAP_PROGRESSIVE | + V4L2_DV_BT_CAP_REDUCED_BLANKING | V4L2_DV_BT_CAP_CUSTOM, + }, }; static int ad9389b_s_dv_timings(struct v4l2_subdev *sd, struct v4l2_dv_timings *timings) { struct ad9389b_state *state = get_ad9389b_state(sd); - int i; v4l2_dbg(1, debug, sd, "%s:\n", __func__); /* quick sanity check */ - if (timings->type != V4L2_DV_BT_656_1120) - return -EINVAL; - - if (timings->bt.interlaced) - return -EINVAL; - if (timings->bt.pixelclock < 27000000 || - timings->bt.pixelclock > 170000000) + if (!v4l2_valid_dv_timings(timings, &ad9389b_timings_cap, NULL, NULL)) return -EINVAL; /* Fill the optional fields .standards and .flags in struct v4l2_dv_timings - if the format is listed in ad9389b_timings[] */ - for (i = 0; ad9389b_timings[i].bt.width; i++) { - if (v4l_match_dv_timings(timings, &ad9389b_timings[i], 0)) { - *timings = ad9389b_timings[i]; - break; - } - } + if the format is one of the CEA or DMT timings. */ + v4l2_find_dv_timings_cap(timings, &ad9389b_timings_cap, 0, NULL, NULL); timings->bt.flags &= ~V4L2_DV_FL_REDUCED_FPS; @@ -762,26 +691,14 @@ static int ad9389b_g_dv_timings(struct v4l2_subdev *sd, static int ad9389b_enum_dv_timings(struct v4l2_subdev *sd, struct v4l2_enum_dv_timings *timings) { - if (timings->index >= ARRAY_SIZE(ad9389b_timings)) - return -EINVAL; - - memset(timings->reserved, 0, sizeof(timings->reserved)); - timings->timings = ad9389b_timings[timings->index]; - return 0; + return v4l2_enum_dv_timings_cap(timings, &ad9389b_timings_cap, + NULL, NULL); } static int ad9389b_dv_timings_cap(struct v4l2_subdev *sd, struct v4l2_dv_timings_cap *cap) { - cap->type = V4L2_DV_BT_656_1120; - cap->bt.max_width = 1920; - cap->bt.max_height = 1200; - cap->bt.min_pixelclock = 27000000; - cap->bt.max_pixelclock = 170000000; - cap->bt.standards = V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | - V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT; - cap->bt.capabilities = V4L2_DV_BT_CAP_PROGRESSIVE | - V4L2_DV_BT_CAP_REDUCED_BLANKING | V4L2_DV_BT_CAP_CUSTOM; + *cap = ad9389b_timings_cap; return 0; } @@ -930,8 +847,10 @@ static void ad9389b_edid_handler(struct work_struct *work) * (DVI connectors are particularly prone to this problem). */ if (state->edid.read_retries) { state->edid.read_retries--; - /* EDID read failed, trigger a retry */ - ad9389b_wr(sd, 0xc9, 0xf); + v4l2_dbg(1, debug, sd, "%s: edid read failed\n", __func__); + state->have_monitor = false; + ad9389b_s_power(sd, false); + ad9389b_s_power(sd, true); queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY); return; @@ -967,11 +886,9 @@ static void ad9389b_setup(struct v4l2_subdev *sd) ad9389b_wr_and_or(sd, 0x15, 0xf1, 0x0); /* Output format: RGB 4:4:4 */ ad9389b_wr_and_or(sd, 0x16, 0x3f, 0x0); - /* CSC fixed point: +/-2, 1st order interpolation 4:2:2 -> 4:4:4 up - conversion, Aspect ratio: 16:9 */ - ad9389b_wr_and_or(sd, 0x17, 0xe1, 0x0e); - /* Disable pixel repetition and CSC */ - ad9389b_wr_and_or(sd, 0x3b, 0x9e, 0x0); + /* 1st order interpolation 4:2:2 -> 4:4:4 up conversion, + Aspect ratio: 16:9 */ + ad9389b_wr_and_or(sd, 0x17, 0xf9, 0x06); /* Output format: RGB 4:4:4, Active Format Information is valid. */ ad9389b_wr_and_or(sd, 0x45, 0xc7, 0x08); /* Underscanned */ @@ -1056,12 +973,12 @@ static void ad9389b_check_monitor_present_status(struct v4l2_subdev *sd) static bool edid_block_verify_crc(u8 *edid_block) { - int i; u8 sum = 0; + int i; - for (i = 0; i < 127; i++) - sum += *(edid_block + i); - return ((255 - sum + 1) == edid_block[127]); + for (i = 0; i < 128; i++) + sum += edid_block[i]; + return sum == 0; } static bool edid_segment_verify_crc(struct v4l2_subdev *sd, u32 segment) @@ -1107,6 +1024,8 @@ static bool ad9389b_check_edid_status(struct v4l2_subdev *sd) } if (!edid_segment_verify_crc(sd, segment)) { /* edid crc error, force reread of edid segment */ + v4l2_err(sd, "%s: edid crc error\n", __func__); + state->have_monitor = false; ad9389b_s_power(sd, false); ad9389b_s_power(sd, true); return false; @@ -1190,27 +1109,27 @@ static int ad9389b_probe(struct i2c_client *client, const struct i2c_device_id * state->hdmi_mode_ctrl = v4l2_ctrl_new_std_menu(hdl, &ad9389b_ctrl_ops, V4L2_CID_DV_TX_MODE, V4L2_DV_TX_MODE_HDMI, 0, V4L2_DV_TX_MODE_DVI_D); - state->hdmi_mode_ctrl->is_private = true; state->hotplug_ctrl = v4l2_ctrl_new_std(hdl, NULL, V4L2_CID_DV_TX_HOTPLUG, 0, 1, 0, 0); - state->hotplug_ctrl->is_private = true; state->rx_sense_ctrl = v4l2_ctrl_new_std(hdl, NULL, V4L2_CID_DV_TX_RXSENSE, 0, 1, 0, 0); - state->rx_sense_ctrl->is_private = true; state->have_edid0_ctrl = v4l2_ctrl_new_std(hdl, NULL, V4L2_CID_DV_TX_EDID_PRESENT, 0, 1, 0, 0); - state->have_edid0_ctrl->is_private = true; state->rgb_quantization_range_ctrl = v4l2_ctrl_new_std_menu(hdl, &ad9389b_ctrl_ops, V4L2_CID_DV_TX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL, 0, V4L2_DV_RGB_RANGE_AUTO); - state->rgb_quantization_range_ctrl->is_private = true; sd->ctrl_handler = hdl; if (hdl->error) { err = hdl->error; goto err_hdl; } + state->hdmi_mode_ctrl->is_private = true; + state->hotplug_ctrl->is_private = true; + state->rx_sense_ctrl->is_private = true; + state->have_edid0_ctrl->is_private = true; + state->rgb_quantization_range_ctrl->is_private = true; state->pad.flags = MEDIA_PAD_FL_SINK; err = media_entity_init(&sd->entity, 1, &state->pad, 0); |