diff options
Diffstat (limited to 'drivers/media/i2c/adv7604.c')
| -rw-r--r-- | drivers/media/i2c/adv7604.c | 227 |
1 files changed, 113 insertions, 114 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index e1719ffdfb3d..befb07df036d 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -207,71 +207,22 @@ static bool adv76xx_has_afe(struct adv76xx_state *state) return state->info->has_afe; } -/* Supported CEA and DMT timings */ -static const struct v4l2_dv_timings adv76xx_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_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, - - /* sorted by DMT ID */ - 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_RB, - V4L2_DV_BT_DMT_1366X768P60, - V4L2_DV_BT_DMT_1920X1080P60, - { }, +/* Unsupported timings. This device cannot support 720p30. */ +static const struct v4l2_dv_timings adv76xx_timings_exceptions[] = { + V4L2_DV_BT_CEA_1280X720P30, + { } }; +static bool adv76xx_check_dv_timings(const struct v4l2_dv_timings *t, void *hdl) +{ + int i; + + for (i = 0; adv76xx_timings_exceptions[i].bt.width; i++) + if (v4l2_match_dv_timings(t, adv76xx_timings_exceptions + i, 0, false)) + return false; + return true; +} + struct adv76xx_video_standards { struct v4l2_dv_timings timings; u8 vid_std; @@ -806,6 +757,36 @@ static inline bool is_digital_input(struct v4l2_subdev *sd) state->selected_input == ADV7604_PAD_HDMI_PORT_D; } +static const struct v4l2_dv_timings_cap adv7604_timings_cap_analog = { + .type = V4L2_DV_BT_656_1120, + /* keep this initialization for compatibility with GCC < 4.4.6 */ + .reserved = { 0 }, + V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 170000000, + V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | + V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, + V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | + V4L2_DV_BT_CAP_CUSTOM) +}; + +static const struct v4l2_dv_timings_cap adv76xx_timings_cap_digital = { + .type = V4L2_DV_BT_656_1120, + /* keep this initialization for compatibility with GCC < 4.4.6 */ + .reserved = { 0 }, + V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 225000000, + V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | + V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, + V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | + V4L2_DV_BT_CAP_CUSTOM) +}; + +static inline const struct v4l2_dv_timings_cap * +adv76xx_get_dv_timings_cap(struct v4l2_subdev *sd) +{ + return is_digital_input(sd) ? &adv76xx_timings_cap_digital : + &adv7604_timings_cap_analog; +} + + /* ----------------------------------------------------------------------- */ #ifdef CONFIG_VIDEO_ADV_DEBUG @@ -1216,6 +1197,20 @@ static int adv76xx_s_ctrl(struct v4l2_ctrl *ctrl) return -EINVAL; } +static int adv76xx_g_volatile_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = + &container_of(ctrl->handler, struct adv76xx_state, hdl)->sd; + + if (ctrl->id == V4L2_CID_DV_RX_IT_CONTENT_TYPE) { + ctrl->val = V4L2_DV_IT_CONTENT_TYPE_NO_ITC; + if ((io_read(sd, 0x60) & 1) && (infoframe_read(sd, 0x03) & 0x80)) + ctrl->val = (infoframe_read(sd, 0x05) >> 4) & 3; + return 0; + } + return -EINVAL; +} + /* ----------------------------------------------------------------------- */ static inline bool no_power(struct v4l2_subdev *sd) @@ -1330,17 +1325,23 @@ static int stdi2dv_timings(struct v4l2_subdev *sd, u32 pix_clk; int i; - for (i = 0; adv76xx_timings[i].bt.height; i++) { - if (vtotal(&adv76xx_timings[i].bt) != stdi->lcf + 1) + for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) { + const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt; + + if (!v4l2_valid_dv_timings(&v4l2_dv_timings_presets[i], + adv76xx_get_dv_timings_cap(sd), + adv76xx_check_dv_timings, NULL)) + continue; + if (vtotal(bt) != stdi->lcf + 1) continue; - if (adv76xx_timings[i].bt.vsync != stdi->lcvs) + if (bt->vsync != stdi->lcvs) continue; - pix_clk = hfreq * htotal(&adv76xx_timings[i].bt); + pix_clk = hfreq * htotal(bt); - if ((pix_clk < adv76xx_timings[i].bt.pixelclock + 1000000) && - (pix_clk > adv76xx_timings[i].bt.pixelclock - 1000000)) { - *timings = adv76xx_timings[i]; + if ((pix_clk < bt->pixelclock + 1000000) && + (pix_clk > bt->pixelclock - 1000000)) { + *timings = v4l2_dv_timings_presets[i]; return 0; } } @@ -1425,15 +1426,11 @@ static int adv76xx_enum_dv_timings(struct v4l2_subdev *sd, { struct adv76xx_state *state = to_state(sd); - if (timings->index >= ARRAY_SIZE(adv76xx_timings) - 1) - return -EINVAL; - if (timings->pad >= state->source_pad) return -EINVAL; - memset(timings->reserved, 0, sizeof(timings->reserved)); - timings->timings = adv76xx_timings[timings->index]; - return 0; + return v4l2_enum_dv_timings_cap(timings, + adv76xx_get_dv_timings_cap(sd), adv76xx_check_dv_timings, NULL); } static int adv76xx_dv_timings_cap(struct v4l2_subdev *sd, @@ -1444,29 +1441,7 @@ static int adv76xx_dv_timings_cap(struct v4l2_subdev *sd, if (cap->pad >= state->source_pad) return -EINVAL; - cap->type = V4L2_DV_BT_656_1120; - cap->bt.max_width = 1920; - cap->bt.max_height = 1200; - cap->bt.min_pixelclock = 25000000; - - switch (cap->pad) { - case ADV76XX_PAD_HDMI_PORT_A: - case ADV7604_PAD_HDMI_PORT_B: - case ADV7604_PAD_HDMI_PORT_C: - case ADV7604_PAD_HDMI_PORT_D: - cap->bt.max_pixelclock = 225000000; - break; - case ADV7604_PAD_VGA_RGB: - case ADV7604_PAD_VGA_COMP: - default: - cap->bt.max_pixelclock = 170000000; - break; - } - - 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 = *adv76xx_get_dv_timings_cap(sd); return 0; } @@ -1475,15 +1450,9 @@ static int adv76xx_dv_timings_cap(struct v4l2_subdev *sd, static void adv76xx_fill_optional_dv_timings_fields(struct v4l2_subdev *sd, struct v4l2_dv_timings *timings) { - int i; - - for (i = 0; adv76xx_timings[i].bt.width; i++) { - if (v4l2_match_dv_timings(timings, &adv76xx_timings[i], - is_digital_input(sd) ? 250000 : 1000000, false)) { - *timings = adv76xx_timings[i]; - break; - } - } + v4l2_find_dv_timings_cap(timings, adv76xx_get_dv_timings_cap(sd), + is_digital_input(sd) ? 250000 : 1000000, + adv76xx_check_dv_timings, NULL); } static unsigned int adv7604_read_hdmi_pixelclock(struct v4l2_subdev *sd) @@ -1651,12 +1620,9 @@ static int adv76xx_s_dv_timings(struct v4l2_subdev *sd, bt = &timings->bt; - if ((is_analog_input(sd) && bt->pixelclock > 170000000) || - (is_digital_input(sd) && bt->pixelclock > 225000000)) { - v4l2_dbg(1, debug, sd, "%s: pixelclock out of range %d\n", - __func__, (u32)bt->pixelclock); + if (!v4l2_valid_dv_timings(timings, adv76xx_get_dv_timings_cap(sd), + adv76xx_check_dv_timings, NULL)) return -ERANGE; - } adv76xx_fill_optional_dv_timings_fields(sd, timings); @@ -1884,6 +1850,26 @@ static int adv76xx_get_format(struct v4l2_subdev *sd, return 0; } +static int adv76xx_get_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_selection *sel) +{ + struct adv76xx_state *state = to_state(sd); + + if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) + return -EINVAL; + /* Only CROP, CROP_DEFAULT and CROP_BOUNDS are supported */ + if (sel->target > V4L2_SEL_TGT_CROP_BOUNDS) + return -EINVAL; + + sel->r.left = 0; + sel->r.top = 0; + sel->r.width = state->timings.bt.width; + sel->r.height = state->timings.bt.height; + + return 0; +} + static int adv76xx_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *format) @@ -2380,6 +2366,7 @@ static int adv76xx_subscribe_event(struct v4l2_subdev *sd, static const struct v4l2_ctrl_ops adv76xx_ctrl_ops = { .s_ctrl = adv76xx_s_ctrl, + .g_volatile_ctrl = adv76xx_g_volatile_ctrl, }; static const struct v4l2_subdev_core_ops adv76xx_core_ops = { @@ -2403,6 +2390,7 @@ static const struct v4l2_subdev_video_ops adv76xx_video_ops = { static const struct v4l2_subdev_pad_ops adv76xx_pad_ops = { .enum_mbus_code = adv76xx_enum_mbus_code, + .get_selection = adv76xx_get_selection, .get_fmt = adv76xx_get_format, .set_fmt = adv76xx_set_format, .get_edid = adv76xx_get_edid, @@ -2798,6 +2786,7 @@ static int adv76xx_parse_dt(struct adv76xx_state *state) struct device_node *endpoint; struct device_node *np; unsigned int flags; + int ret; u32 v; np = state->i2c_clients[ADV76XX_PAGE_IO]->dev.of_node; @@ -2807,7 +2796,11 @@ static int adv76xx_parse_dt(struct adv76xx_state *state) if (!endpoint) return -EINVAL; - v4l2_of_parse_endpoint(endpoint, &bus_cfg); + ret = v4l2_of_parse_endpoint(endpoint, &bus_cfg); + if (ret) { + of_node_put(endpoint); + return ret; + } if (!of_property_read_u32(endpoint, "default-input", &v)) state->pdata.default_input = v; @@ -3009,6 +3002,7 @@ static int adv76xx_probe(struct i2c_client *client, V4L2_DV_BT_CEA_640X480P59_94; struct adv76xx_state *state; struct v4l2_ctrl_handler *hdl; + struct v4l2_ctrl *ctrl; struct v4l2_subdev *sd; unsigned int i; unsigned int val, val2; @@ -3140,6 +3134,11 @@ static int adv76xx_probe(struct i2c_client *client, V4L2_CID_SATURATION, 0, 255, 1, 128); v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, V4L2_CID_HUE, 0, 128, 1, 0); + ctrl = v4l2_ctrl_new_std_menu(hdl, &adv76xx_ctrl_ops, + V4L2_CID_DV_RX_IT_CONTENT_TYPE, V4L2_DV_IT_CONTENT_TYPE_NO_ITC, + 0, V4L2_DV_IT_CONTENT_TYPE_NO_ITC); + if (ctrl) + ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; /* private controls */ state->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl, NULL, |