Lines Matching +full:scaled +full:- +full:sync
1 // SPDX-License-Identifier: GPL-2.0-only
15 #include <sound/hdmi-codec.h>
26 #include <media/cec-notifier.h>
410 .addr = priv->cec_addr,
416 ret = i2c_transfer(priv->hdmi->adapter, &msg, 1);
418 dev_err(&priv->hdmi->dev, "Error %d writing to cec:0x%x\n",
428 .addr = priv->cec_addr,
432 .addr = priv->cec_addr,
440 ret = i2c_transfer(priv->hdmi->adapter, msg, ARRAY_SIZE(msg));
442 dev_err(&priv->hdmi->dev, "Error %d reading from cec:0x%x\n",
495 struct gpio_desc *calib = priv->calib;
497 mutex_lock(&priv->edid_mutex);
498 if (priv->hdmi->irq > 0)
499 disable_irq(priv->hdmi->irq);
511 if (priv->hdmi->irq > 0)
512 enable_irq(priv->hdmi->irq);
513 mutex_unlock(&priv->edid_mutex);
521 calib = gpiod_get(&priv->hdmi->dev, "nxp,calib", GPIOD_ASIS);
523 dev_warn(&priv->hdmi->dev, "failed to get calibration gpio: %ld\n",
528 priv->calib = calib;
537 gpiod_put(priv->calib);
538 priv->calib = NULL;
561 if (REG2PAGE(reg) != priv->current_page) {
562 struct i2c_client *client = priv->hdmi;
568 dev_err(&client->dev, "%s %04x err %d\n", __func__,
573 priv->current_page = REG2PAGE(reg);
581 struct i2c_client *client = priv->hdmi;
585 mutex_lock(&priv->mutex);
601 dev_err(&client->dev, "Error %d reading from 0x%x\n", ret, reg);
603 mutex_unlock(&priv->mutex);
612 struct i2c_client *client = priv->hdmi;
618 dev_err(&client->dev, "Fixed write buffer too small (%d)\n",
626 mutex_lock(&priv->mutex);
633 dev_err(&client->dev, "Error %d writing to 0x%x\n", ret, reg);
635 mutex_unlock(&priv->mutex);
653 struct i2c_client *client = priv->hdmi;
657 mutex_lock(&priv->mutex);
664 dev_err(&client->dev, "Error %d writing to 0x%x\n", ret, reg);
666 mutex_unlock(&priv->mutex);
672 struct i2c_client *client = priv->hdmi;
676 mutex_lock(&priv->mutex);
683 dev_err(&client->dev, "Error %d writing to 0x%x\n", ret, reg);
685 mutex_unlock(&priv->mutex);
748 * we have seen a HPD inactive->active transition. This code implements
755 priv->edid_delay_active = false;
756 wake_up(&priv->edid_delay_waitq);
757 schedule_work(&priv->detect_work);
762 priv->edid_delay_active = true;
763 mod_timer(&priv->edid_delay_timer, jiffies + HZ/10);
768 return wait_event_killable(priv->edid_delay_waitq, !priv->edid_delay_active);
780 struct drm_device *dev = priv->connector.dev;
810 schedule_work(&priv->detect_work);
812 priv->cec_notify);
818 if ((flag2 & INT_FLAGS_2_EDID_BLK_RD) && priv->wq_edid_wait) {
819 priv->wq_edid_wait = 0;
820 wake_up(&priv->wq_edid);
837 dev_err(&priv->hdmi->dev,
839 frame->any.type, len);
864 &priv->connector, mode);
866 drm_hdmi_avi_infoframe_quant_range(&frame.avi, &priv->connector, mode,
867 priv->rgb_quant_range);
878 &priv->connector,
905 s->route = &tda998x_audio_route[route];
906 s->ena_ap = priv->audio_port_enable[route];
907 if (s->ena_ap == 0) {
908 dev_err(&priv->hdmi->dev, "no audio configuration found\n");
909 return -EINVAL;
927 unsigned long ser_clk = priv->tmds_clock * 1000;
930 for (adiv = AUDIO_DIV_SERCLK_32; adiv != AUDIO_DIV_SERCLK_1; adiv--)
934 dev_dbg(&priv->hdmi->dev,
942 * In auto-CTS mode, the TDA998x uses a "measured time stamp" counter to
948 * tmdsclk ----> mts -> /m ---> CTS
950 * sclk -> /k -> /N
959 * When combined with the sink-side equation, and realising that sclk is
971 settings->cts_n = CTS_N_M(3) | CTS_N_K(0);
974 settings->cts_n = CTS_N_M(3) | CTS_N_K(1);
977 settings->cts_n = CTS_N_M(3) | CTS_N_K(2);
980 settings->cts_n = CTS_N_M(3) | CTS_N_K(3);
983 settings->cts_n = CTS_N_M(0) | CTS_N_K(0);
986 dev_err(&priv->hdmi->dev, "unsupported bclk ratio %ufs\n",
988 return -EINVAL;
1006 const struct tda998x_audio_settings *settings = &priv->audio;
1011 if (settings->ena_ap == 0)
1014 adiv = tda998x_get_adiv(priv, settings->sample_rate);
1017 reg_write(priv, REG_ENA_AP, settings->ena_ap);
1018 reg_write(priv, REG_ENA_ACLK, settings->route->ena_aclk);
1019 reg_write(priv, REG_MUX_AP, settings->route->mux_ap);
1020 reg_write(priv, REG_I2S_FORMAT, settings->i2s_format);
1021 reg_write(priv, REG_AIP_CLKSEL, settings->route->aip_clksel);
1024 reg_write(priv, REG_CTS_N, settings->cts_n);
1029 * the recommended values for non-coherent clocks.
1031 n = 128 * settings->sample_rate / 1000;
1047 * The REG_CH_STAT_B-registers skip IEC958 AES2 byte, because
1050 buf[0] = settings->status[0];
1051 buf[1] = settings->status[1];
1052 buf[2] = settings->status[3];
1053 buf[3] = settings->status[4];
1060 tda998x_write_aif(priv, &settings->cea);
1069 bool spdif = daifmt->fmt == HDMI_SPDIF;
1072 .sample_rate = params->sample_rate,
1073 .cea = params->cea,
1076 memcpy(audio.status, params->iec.status,
1077 min(sizeof(audio.status), sizeof(params->iec.status)));
1079 switch (daifmt->fmt) {
1093 dev_err(dev, "%s: Invalid format %d\n", __func__, daifmt->fmt);
1094 return -EINVAL;
1098 (daifmt->bit_clk_inv || daifmt->frame_clk_inv ||
1099 daifmt->bit_clk_provider || daifmt->frame_clk_provider)) {
1101 daifmt->bit_clk_inv, daifmt->frame_clk_inv,
1102 daifmt->bit_clk_provider,
1103 daifmt->frame_clk_provider);
1104 return -EINVAL;
1111 bclk_ratio = spdif ? 64 : params->sample_width * 2;
1116 mutex_lock(&priv->audio_mutex);
1117 priv->audio = audio;
1118 if (priv->supports_infoframes && priv->sink_has_audio)
1120 mutex_unlock(&priv->audio_mutex);
1129 mutex_lock(&priv->audio_mutex);
1132 priv->audio.ena_ap = 0;
1134 mutex_unlock(&priv->audio_mutex);
1142 mutex_lock(&priv->audio_mutex);
1146 mutex_unlock(&priv->audio_mutex);
1155 mutex_lock(&priv->audio_mutex);
1156 memcpy(buf, priv->connector.eld,
1157 min(sizeof(priv->connector.eld), len));
1158 mutex_unlock(&priv->audio_mutex);
1181 if (priv->audio_port_enable[AUDIO_ROUTE_I2S])
1183 if (priv->audio_port_enable[AUDIO_ROUTE_SPDIF])
1186 priv->audio_pdev = platform_device_register_data(
1190 return PTR_ERR_OR_ZERO(priv->audio_pdev);
1228 mutex_lock(&priv->edid_mutex);
1236 priv->wq_edid_wait = 1;
1243 if (priv->hdmi->irq) {
1244 i = wait_event_timeout(priv->wq_edid,
1245 !priv->wq_edid_wait,
1248 dev_err(&priv->hdmi->dev, "read edid wait err %d\n", i);
1253 for (i = 100; i > 0; i--) {
1264 dev_err(&priv->hdmi->dev, "read edid timeout\n");
1265 ret = -ETIMEDOUT;
1271 dev_err(&priv->hdmi->dev, "failed to read edid block %d: %d\n",
1279 mutex_unlock(&priv->edid_mutex);
1297 if (priv->rev == TDA19988)
1302 if (priv->rev == TDA19988)
1306 cec_notifier_set_phys_addr(priv->cec_notify,
1307 connector->display_info.source_physical_address);
1310 dev_warn(&priv->hdmi->dev, "failed to read EDID\n");
1314 mutex_lock(&priv->audio_mutex);
1316 priv->sink_has_audio = connector->display_info.has_audio;
1317 mutex_unlock(&priv->audio_mutex);
1329 return priv->bridge.encoder;
1341 struct drm_connector *connector = &priv->connector;
1344 connector->interlace_allowed = 1;
1346 if (priv->hdmi->irq)
1347 connector->polled = DRM_CONNECTOR_POLL_HPD;
1349 connector->polled = DRM_CONNECTOR_POLL_CONNECT |
1358 drm_connector_attach_encoder(&priv->connector,
1359 priv->bridge.encoder);
1373 return -EINVAL;
1376 return tda998x_connector_init(priv, bridge->dev);
1383 drm_connector_cleanup(&priv->connector);
1393 if (mode->clock > ((priv->rev == TDA19988) ? 165000 : 150000))
1395 if (mode->htotal >= BIT(13))
1397 if (mode->vtotal >= BIT(11))
1406 if (!priv->is_on) {
1412 reg_write(priv, REG_VIP_CNTRL_0, priv->vip_cntrl_0);
1413 reg_write(priv, REG_VIP_CNTRL_1, priv->vip_cntrl_1);
1414 reg_write(priv, REG_VIP_CNTRL_2, priv->vip_cntrl_2);
1416 priv->is_on = true;
1424 if (priv->is_on) {
1430 priv->is_on = false;
1451 * full-range RGB. If the monitor supports full-range, then use
1452 * it, otherwise reduce to limited-range.
1454 priv->rgb_quant_range =
1455 priv->connector.display_info.rgb_quant_range_selectable ?
1460 * Internally TDA998x is using ITU-R BT.656 style sync but
1461 * we get VESA style sync. TDA998x is using a reference pixel
1462 * relative to ITU to sync to the input frame and for output
1463 * sync generation. Currently, we are using reference detection
1464 * from HS/VS, i.e. REFPIX/REFLINE denote frame start sync point
1468 * - HDMI data islands require sync-before-active
1469 * - TDA998x register values must be > 0 to be enabled
1470 * - REFLINE needs an additional offset of +1
1471 * - REFPIX needs an addtional offset of +1 for UYUV and +3 for RGB
1476 n_pix = mode->htotal;
1477 n_line = mode->vtotal;
1479 hs_pix_e = mode->hsync_end - mode->hdisplay;
1480 hs_pix_s = mode->hsync_start - mode->hdisplay;
1481 de_pix_e = mode->htotal;
1482 de_pix_s = mode->htotal - mode->hdisplay;
1486 * Attached LCD controllers may generate broken sync. Allow
1490 if (adjusted_mode->flags & DRM_MODE_FLAG_HSKEW)
1491 ref_pix += adjusted_mode->hskew;
1493 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) == 0) {
1494 ref_line = 1 + mode->vsync_start - mode->vdisplay;
1495 vwin1_line_s = mode->vtotal - mode->vdisplay - 1;
1496 vwin1_line_e = vwin1_line_s + mode->vdisplay;
1498 vs1_line_s = mode->vsync_start - mode->vdisplay;
1500 mode->vsync_end - mode->vsync_start;
1505 ref_line = 1 + (mode->vsync_start - mode->vdisplay)/2;
1506 vwin1_line_s = (mode->vtotal - mode->vdisplay)/2;
1507 vwin1_line_e = vwin1_line_s + mode->vdisplay/2;
1509 vs1_line_s = (mode->vsync_start - mode->vdisplay)/2;
1511 (mode->vsync_end - mode->vsync_start)/2;
1512 vwin2_line_s = vwin1_line_s + mode->vtotal/2;
1513 vwin2_line_e = vwin2_line_s + mode->vdisplay/2;
1514 vs2_pix_s = vs2_pix_e = hs_pix_s + mode->htotal/2;
1515 vs2_line_s = vs1_line_s + mode->vtotal/2 ;
1517 (mode->vsync_end - mode->vsync_start)/2;
1521 * Select pixel repeat depending on the double-clock flag
1524 rep = mode->flags & DRM_MODE_FLAG_DBLCLK ? 1 : 0;
1528 /* the TMDS clock is scaled up by the pixel repeat */
1529 tmds_clock = mode->clock * (1 + rep);
1532 * The divisor is power-of-2. The TDA9983B datasheet gives
1534 * 0 - 800 to 1500 Msample/s
1535 * 1 - 400 to 800 Msample/s
1536 * 2 - 200 to 400 Msample/s
1537 * 3 - as 2 above
1543 mutex_lock(&priv->audio_mutex);
1545 priv->tmds_clock = tmds_clock;
1555 /* no pre-filter or interpolator: */
1575 if (priv->rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED) {
1598 * Sync on rising HSYNC/VSYNC
1603 * TDA19988 requires high-active sync at input stage,
1604 * so invert low-active sync provided by master encoder here
1606 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1608 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1634 if (priv->rev == TDA19988) {
1640 * Always generate sync polarity relative to input sync and
1641 * revert input stage toggled sync at output stage
1644 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1646 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1653 /* CEA-861B section 6 says that:
1654 * CEA version 1 (CEA-861) has no support for infoframes.
1655 * CEA version 2 (CEA-861A) supports version 1 AVI infoframes,
1657 * CEA version 3 (CEA-861B) supports version 1 and 2 AVI infoframes,
1662 * CEA-861 source.)
1664 priv->supports_infoframes = priv->connector.display_info.cea_rev >= 3;
1666 if (priv->supports_infoframes) {
1676 if (priv->sink_has_audio)
1680 mutex_unlock(&priv->audio_mutex);
1701 port_data = of_get_property(np, "audio-ports", &size);
1706 if (size > 2 * ARRAY_SIZE(priv->audio_port_enable) || size % 2 != 0) {
1707 dev_err(&priv->hdmi->dev,
1708 "Bad number of elements in audio-ports dt-property\n");
1709 return -EINVAL;
1727 dev_err(&priv->hdmi->dev,
1729 return -EINVAL;
1733 dev_err(&priv->hdmi->dev, "invalid zero port config\n");
1737 if (priv->audio_port_enable[route]) {
1738 dev_err(&priv->hdmi->dev,
1741 return -EINVAL;
1744 priv->audio_port_enable[route] = ena_ap;
1752 priv->vip_cntrl_0 = VIP_CNTRL_0_SWAP_A(p->swap_a) |
1753 (p->mirr_a ? VIP_CNTRL_0_MIRR_A : 0) |
1754 VIP_CNTRL_0_SWAP_B(p->swap_b) |
1755 (p->mirr_b ? VIP_CNTRL_0_MIRR_B : 0);
1756 priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(p->swap_c) |
1757 (p->mirr_c ? VIP_CNTRL_1_MIRR_C : 0) |
1758 VIP_CNTRL_1_SWAP_D(p->swap_d) |
1759 (p->mirr_d ? VIP_CNTRL_1_MIRR_D : 0);
1760 priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(p->swap_e) |
1761 (p->mirr_e ? VIP_CNTRL_2_MIRR_E : 0) |
1762 VIP_CNTRL_2_SWAP_F(p->swap_f) |
1763 (p->mirr_f ? VIP_CNTRL_2_MIRR_F : 0);
1765 if (p->audio_params.format != AFMT_UNUSED) {
1767 bool spdif = p->audio_params.format == AFMT_SPDIF;
1771 priv->audio.route = &tda998x_audio_route[route];
1772 priv->audio.cea = p->audio_params.cea;
1773 priv->audio.sample_rate = p->audio_params.sample_rate;
1774 memcpy(priv->audio.status, p->audio_params.status,
1775 min(sizeof(priv->audio.status),
1776 sizeof(p->audio_params.status)));
1777 priv->audio.ena_ap = p->audio_params.config;
1778 priv->audio.i2s_format = I2S_FORMAT_PHILIPS;
1780 ratio = spdif ? 64 : p->audio_params.sample_width * 2;
1781 return tda998x_derive_cts_n(priv, &priv->audio, ratio);
1791 drm_bridge_remove(&priv->bridge);
1797 if (priv->audio_pdev)
1798 platform_device_unregister(priv->audio_pdev);
1800 if (priv->hdmi->irq)
1801 free_irq(priv->hdmi->irq, priv);
1803 del_timer_sync(&priv->edid_delay_timer);
1804 cancel_work_sync(&priv->detect_work);
1806 i2c_unregister_device(priv->cec);
1808 cec_notifier_conn_unregister(priv->cec_notify);
1814 struct device_node *np = client->dev.of_node;
1822 return -ENOMEM;
1826 mutex_init(&priv->mutex); /* protect the page access */
1827 mutex_init(&priv->audio_mutex); /* protect access from audio thread */
1828 mutex_init(&priv->edid_mutex);
1829 INIT_LIST_HEAD(&priv->bridge.list);
1830 init_waitqueue_head(&priv->edid_delay_waitq);
1831 timer_setup(&priv->edid_delay_timer, tda998x_edid_delay_done, 0);
1832 INIT_WORK(&priv->detect_work, tda998x_detect_work);
1834 priv->vip_cntrl_0 = VIP_CNTRL_0_SWAP_A(2) | VIP_CNTRL_0_SWAP_B(3);
1835 priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(0) | VIP_CNTRL_1_SWAP_D(1);
1836 priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(4) | VIP_CNTRL_2_SWAP_F(5);
1839 priv->cec_addr = 0x34 + (client->addr & 0x03);
1840 priv->current_page = 0xff;
1841 priv->hdmi = client;
1862 priv->rev = rev_lo | rev_hi << 8;
1865 priv->rev &= ~0x30; /* not-hdcp and not-scalar bit */
1867 switch (priv->rev) {
1881 dev_err(dev, "found unsupported device: %04x\n", priv->rev);
1882 return -ENXIO;
1891 /* if necessary, disable multi-master: */
1892 if (priv->rev == TDA19989)
1908 if (client->irq) {
1912 init_waitqueue_head(&priv->wq_edid);
1915 irqd_get_trigger_type(irq_get_irq_data(client->irq));
1917 priv->cec_glue.irq_flags = irq_flags;
1920 ret = request_threaded_irq(client->irq, NULL,
1925 client->irq, ret);
1933 priv->cec_notify = cec_notifier_conn_register(dev, NULL, NULL);
1934 if (!priv->cec_notify) {
1935 ret = -ENOMEM;
1939 priv->cec_glue.parent = dev;
1940 priv->cec_glue.data = priv;
1941 priv->cec_glue.init = tda998x_cec_hook_init;
1942 priv->cec_glue.exit = tda998x_cec_hook_exit;
1943 priv->cec_glue.open = tda998x_cec_hook_open;
1944 priv->cec_glue.release = tda998x_cec_hook_release;
1956 cec_info.addr = priv->cec_addr;
1957 cec_info.platform_data = &priv->cec_glue;
1958 cec_info.irq = client->irq;
1960 priv->cec = i2c_new_client_device(client->adapter, &cec_info);
1961 if (IS_ERR(priv->cec)) {
1962 ret = PTR_ERR(priv->cec);
1971 ret = of_property_read_u32(np, "video-ports", &video);
1973 priv->vip_cntrl_0 = video >> 16;
1974 priv->vip_cntrl_1 = video >> 8;
1975 priv->vip_cntrl_2 = video;
1982 if (priv->audio_port_enable[AUDIO_ROUTE_I2S] ||
1983 priv->audio_port_enable[AUDIO_ROUTE_SPDIF])
1984 tda998x_audio_codec_init(priv, &client->dev);
1985 } else if (dev->platform_data) {
1986 ret = tda998x_set_config(priv, dev->platform_data);
1991 priv->bridge.funcs = &tda998x_bridge_funcs;
1993 priv->bridge.of_node = dev->of_node;
1996 drm_bridge_add(&priv->bridge);
2014 if (dev->of_node)
2015 crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);
2023 priv->encoder.possible_crtcs = crtcs;
2025 ret = drm_simple_encoder_init(drm, &priv->encoder,
2030 ret = drm_bridge_attach(&priv->encoder, &priv->bridge, NULL, 0);
2037 drm_encoder_cleanup(&priv->encoder);
2054 drm_encoder_cleanup(&priv->encoder);
2067 if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
2068 dev_warn(&client->dev, "adapter does not support I2C\n");
2069 return -EIO;
2072 ret = tda998x_create(&client->dev);
2076 ret = component_add(&client->dev, &tda998x_ops);
2078 tda998x_destroy(&client->dev);
2084 component_del(&client->dev, &tda998x_ops);
2085 tda998x_destroy(&client->dev);