Lines Matching defs:lt9611
34 struct lt9611 {
87 static struct lt9611 *bridge_to_lt9611(struct drm_bridge *bridge)
89 return container_of(bridge, struct lt9611, bridge);
92 static int lt9611_mipi_input_analog(struct lt9611 *lt9611)
106 return regmap_multi_reg_write(lt9611->regmap, reg_cfg, ARRAY_SIZE(reg_cfg));
109 static int lt9611_mipi_input_digital(struct lt9611 *lt9611,
121 if (lt9611->dsi1_node)
124 return regmap_multi_reg_write(lt9611->regmap, reg_cfg, ARRAY_SIZE(reg_cfg));
127 static void lt9611_mipi_video_setup(struct lt9611 *lt9611,
146 regmap_write(lt9611->regmap, 0x830d, (u8)(v_total / 256));
147 regmap_write(lt9611->regmap, 0x830e, (u8)(v_total % 256));
149 regmap_write(lt9611->regmap, 0x830f, (u8)(vactive / 256));
150 regmap_write(lt9611->regmap, 0x8310, (u8)(vactive % 256));
152 regmap_write(lt9611->regmap, 0x8311, (u8)(h_total / 256));
153 regmap_write(lt9611->regmap, 0x8312, (u8)(h_total % 256));
155 regmap_write(lt9611->regmap, 0x8313, (u8)(hactive / 256));
156 regmap_write(lt9611->regmap, 0x8314, (u8)(hactive % 256));
158 regmap_write(lt9611->regmap, 0x8315, (u8)(vsync_len % 256));
159 regmap_write(lt9611->regmap, 0x8316, (u8)(hsync_len % 256));
161 regmap_write(lt9611->regmap, 0x8317, (u8)(vfront_porch % 256));
163 regmap_write(lt9611->regmap, 0x8318, (u8)(vsync_porch % 256));
165 regmap_write(lt9611->regmap, 0x8319, (u8)(hfront_porch % 256));
167 regmap_write(lt9611->regmap, 0x831a, (u8)(hsync_porch / 256) |
169 regmap_write(lt9611->regmap, 0x831b, (u8)(hsync_porch % 256));
172 static void lt9611_pcr_setup(struct lt9611 *lt9611, const struct drm_display_mode *mode, unsigned int postdiv)
200 regmap_write(lt9611->regmap, 0x831d, pol);
202 regmap_multi_reg_write(lt9611->regmap, reg_cfg, ARRAY_SIZE(reg_cfg));
203 if (lt9611->dsi1_node) {
209 regmap_write(lt9611->regmap, 0x830b, hact / 256);
210 regmap_write(lt9611->regmap, 0x830c, hact % 256);
211 regmap_write(lt9611->regmap, 0x8348, hact / 256);
212 regmap_write(lt9611->regmap, 0x8349, hact % 256);
215 regmap_write(lt9611->regmap, 0x8326, pcr_m);
218 regmap_write(lt9611->regmap, 0x8011, 0x5a);
219 regmap_write(lt9611->regmap, 0x8011, 0xfa);
222 static int lt9611_pll_setup(struct lt9611 *lt9611, const struct drm_display_mode *mode, unsigned int *postdiv)
239 regmap_multi_reg_write(lt9611->regmap, reg_cfg, ARRAY_SIZE(reg_cfg));
242 regmap_write(lt9611->regmap, 0x812d, 0x88);
245 regmap_write(lt9611->regmap, 0x812d, 0x99);
248 regmap_write(lt9611->regmap, 0x812d, 0xaa);
258 regmap_write(lt9611->regmap, 0x82e3, pclk >> 17); /* pclk[19:16] */
259 regmap_write(lt9611->regmap, 0x82e4, pclk >> 9); /* pclk[15:8] */
260 regmap_write(lt9611->regmap, 0x82e5, pclk >> 1); /* pclk[7:0] */
262 regmap_write(lt9611->regmap, 0x82de, 0x20);
263 regmap_write(lt9611->regmap, 0x82de, 0xe0);
265 regmap_write(lt9611->regmap, 0x8016, 0xf1);
266 regmap_write(lt9611->regmap, 0x8016, 0xf3);
271 static int lt9611_read_video_check(struct lt9611 *lt9611, unsigned int reg)
276 ret = regmap_read(lt9611->regmap, reg, &temp);
280 ret = regmap_read(lt9611->regmap, reg + 1, &temp2);
287 static int lt9611_video_check(struct lt9611 *lt9611)
295 temp = lt9611_read_video_check(lt9611, 0x8282);
301 temp = lt9611_read_video_check(lt9611, 0x826c);
307 temp = lt9611_read_video_check(lt9611, 0x8286);
313 temp = lt9611_read_video_check(lt9611, 0x8382);
319 temp = lt9611_read_video_check(lt9611, 0x8386);
324 dev_info(lt9611->dev,
331 dev_err(lt9611->dev, "read video check error\n");
335 static void lt9611_hdmi_set_infoframes(struct lt9611 *lt9611,
357 regmap_write(lt9611->regmap, 0x8440 + i, buf[i]);
370 regmap_write(lt9611->regmap, 0x8474 + i, buf[i]);
375 regmap_write(lt9611->regmap, 0x843d, iframes); /* UD1 infoframe */
378 static void lt9611_hdmi_tx_digital(struct lt9611 *lt9611, bool is_hdmi)
381 regmap_write(lt9611->regmap, 0x82d6, 0x8c);
383 regmap_write(lt9611->regmap, 0x82d6, 0x0c);
384 regmap_write(lt9611->regmap, 0x82d7, 0x04);
387 static void lt9611_hdmi_tx_phy(struct lt9611 *lt9611)
407 if (lt9611->ac_mode)
410 regmap_multi_reg_write(lt9611->regmap, reg_cfg, ARRAY_SIZE(reg_cfg));
415 struct lt9611 *lt9611 = dev_id;
419 regmap_read(lt9611->regmap, 0x820f, &irq_flag3);
420 regmap_read(lt9611->regmap, 0x820c, &irq_flag0);
424 dev_info(lt9611->dev, "hdmi cable disconnected\n");
426 regmap_write(lt9611->regmap, 0x8207, 0xbf);
427 regmap_write(lt9611->regmap, 0x8207, 0x3f);
432 dev_info(lt9611->dev, "hdmi cable connected\n");
434 regmap_write(lt9611->regmap, 0x8207, 0x7f);
435 regmap_write(lt9611->regmap, 0x8207, 0x3f);
438 if (irq_flag3 & 0xc0 && lt9611->bridge.dev)
439 drm_kms_helper_hotplug_event(lt9611->bridge.dev);
443 dev_info(lt9611->dev, "video input changed\n");
444 regmap_write(lt9611->regmap, 0x829e, 0xff);
445 regmap_write(lt9611->regmap, 0x829e, 0xf7);
446 regmap_write(lt9611->regmap, 0x8204, 0xff);
447 regmap_write(lt9611->regmap, 0x8204, 0xfe);
453 static void lt9611_enable_hpd_interrupts(struct lt9611 *lt9611)
457 regmap_read(lt9611->regmap, 0x8203, &val);
460 regmap_write(lt9611->regmap, 0x8203, val);
461 regmap_write(lt9611->regmap, 0x8207, 0xff); /* clear */
462 regmap_write(lt9611->regmap, 0x8207, 0x3f);
465 static void lt9611_sleep_setup(struct lt9611 *lt9611)
479 regmap_multi_reg_write(lt9611->regmap,
481 lt9611->sleep = true;
484 static int lt9611_power_on(struct lt9611 *lt9611)
512 if (lt9611->power_on)
515 ret = regmap_multi_reg_write(lt9611->regmap, seq, ARRAY_SIZE(seq));
517 lt9611->power_on = true;
522 static int lt9611_power_off(struct lt9611 *lt9611)
526 ret = regmap_write(lt9611->regmap, 0x8130, 0x6a);
528 lt9611->power_on = false;
533 static void lt9611_reset(struct lt9611 *lt9611)
535 gpiod_set_value_cansleep(lt9611->reset_gpio, 1);
538 gpiod_set_value_cansleep(lt9611->reset_gpio, 0);
541 gpiod_set_value_cansleep(lt9611->reset_gpio, 1);
545 static void lt9611_assert_5v(struct lt9611 *lt9611)
547 if (!lt9611->enable_gpio)
550 gpiod_set_value_cansleep(lt9611->enable_gpio, 1);
554 static int lt9611_regulator_init(struct lt9611 *lt9611)
558 lt9611->supplies[0].supply = "vdd";
559 lt9611->supplies[1].supply = "vcc";
561 ret = devm_regulator_bulk_get(lt9611->dev, 2, lt9611->supplies);
565 return regulator_set_load(lt9611->supplies[0].consumer, 300000);
568 static int lt9611_regulator_enable(struct lt9611 *lt9611)
572 ret = regulator_enable(lt9611->supplies[0].consumer);
578 ret = regulator_enable(lt9611->supplies[1].consumer);
580 regulator_disable(lt9611->supplies[0].consumer);
589 struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
593 regmap_read(lt9611->regmap, 0x825e, ®_val);
596 lt9611->status = connected ? connector_status_connected :
599 return lt9611->status;
602 static int lt9611_read_edid(struct lt9611 *lt9611)
609 memset(lt9611->edid_buf, 0, sizeof(lt9611->edid_buf));
611 regmap_write(lt9611->regmap, 0x8503, 0xc9);
614 regmap_write(lt9611->regmap, 0x8504, 0xa0);
616 regmap_write(lt9611->regmap, 0x8505, 0x00);
619 regmap_write(lt9611->regmap, 0x8506, EDID_LEN);
620 regmap_write(lt9611->regmap, 0x8514, 0x7f);
624 regmap_write(lt9611->regmap, 0x8505, i * EDID_LEN);
625 regmap_write(lt9611->regmap, 0x8507, 0x36);
626 regmap_write(lt9611->regmap, 0x8507, 0x31);
627 regmap_write(lt9611->regmap, 0x8507, 0x37);
630 regmap_read(lt9611->regmap, 0x8540, &temp);
634 regmap_read(lt9611->regmap, 0x8583, &temp);
635 lt9611->edid_buf[i * EDID_LEN + j] = temp;
639 dev_err(lt9611->dev, "read edid failed: no ack\n");
644 dev_err(lt9611->dev, "read edid failed: access not done\n");
651 regmap_write(lt9611->regmap, 0x8507, 0x1f);
658 struct lt9611 *lt9611 = data;
670 ret = lt9611_read_edid(lt9611);
672 dev_err(lt9611->dev, "edid read failed\n");
678 memcpy(buf, lt9611->edid_buf + (block * 128), len);
688 struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
710 lt9611_mipi_input_digital(lt9611, mode);
711 lt9611_pll_setup(lt9611, mode, &postdiv);
712 lt9611_mipi_video_setup(lt9611, mode);
713 lt9611_pcr_setup(lt9611, mode, postdiv);
715 if (lt9611_power_on(lt9611)) {
716 dev_err(lt9611->dev, "power on failed\n");
720 lt9611_mipi_input_analog(lt9611);
721 lt9611_hdmi_set_infoframes(lt9611, connector, mode);
722 lt9611_hdmi_tx_digital(lt9611, connector->display_info.is_hdmi);
723 lt9611_hdmi_tx_phy(lt9611);
727 lt9611_video_check(lt9611);
730 regmap_write(lt9611->regmap, 0x8130, 0xea);
737 struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
741 ret = regmap_write(lt9611->regmap, 0x8130, 0x6a);
743 dev_err(lt9611->dev, "video on failed\n");
747 if (lt9611_power_off(lt9611)) {
748 dev_err(lt9611->dev, "power on failed\n");
753 static struct mipi_dsi_device *lt9611_attach_dsi(struct lt9611 *lt9611,
756 const struct mipi_dsi_device_info info = { "lt9611", 0, lt9611->dev->of_node};
759 struct device *dev = lt9611->dev;
764 dev_err(lt9611->dev, "failed to find dsi host\n");
770 dev_err(lt9611->dev, "failed to create dsi device\n");
791 struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
793 return drm_bridge_attach(bridge->encoder, lt9611->next_bridge,
801 struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
814 if (mode->hdisplay > 2000 && !lt9611->dsi1_node)
823 struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
831 if (!lt9611->sleep)
834 regmap_multi_reg_write(lt9611->regmap,
837 lt9611->sleep = false;
844 struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
846 lt9611_sleep_setup(lt9611);
852 struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
854 lt9611_power_on(lt9611);
855 return drm_do_get_edid(connector, lt9611_get_edid_block, lt9611);
860 struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
862 lt9611_enable_hpd_interrupts(lt9611);
909 struct lt9611 *lt9611)
911 lt9611->dsi0_node = of_graph_get_remote_node(dev->of_node, 0, -1);
912 if (!lt9611->dsi0_node) {
913 dev_err(lt9611->dev, "failed to get remote node for primary dsi\n");
917 lt9611->dsi1_node = of_graph_get_remote_node(dev->of_node, 1, -1);
919 lt9611->ac_mode = of_property_read_bool(dev->of_node, "lt,ac-mode");
921 return drm_of_find_panel_or_bridge(dev->of_node, 2, -1, NULL, <9611->next_bridge);
924 static int lt9611_gpio_init(struct lt9611 *lt9611)
926 struct device *dev = lt9611->dev;
928 lt9611->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
929 if (IS_ERR(lt9611->reset_gpio)) {
931 return PTR_ERR(lt9611->reset_gpio);
934 lt9611->enable_gpio = devm_gpiod_get_optional(dev, "enable",
936 if (IS_ERR(lt9611->enable_gpio)) {
938 return PTR_ERR(lt9611->enable_gpio);
944 static int lt9611_read_device_rev(struct lt9611 *lt9611)
949 regmap_write(lt9611->regmap, 0x80ee, 0x01);
950 ret = regmap_read(lt9611->regmap, 0x8002, &rev);
952 dev_err(lt9611->dev, "failed to read revision: %d\n", ret);
954 dev_info(lt9611->dev, "LT9611 revision: 0x%x\n", rev);
963 struct lt9611 *lt9611 = data;
966 regmap_write(lt9611->regmap, 0x840f, 0x2b);
968 regmap_write(lt9611->regmap, 0x840f, 0xab);
972 regmap_write(lt9611->regmap, 0x8435, 0x00);
973 regmap_write(lt9611->regmap, 0x8436, 0x18);
974 regmap_write(lt9611->regmap, 0x8437, 0x00);
981 struct lt9611 *lt9611 = data;
983 regmap_write(lt9611->regmap, 0x82d6, 0x8c);
984 regmap_write(lt9611->regmap, 0x82d7, 0x04);
986 regmap_write(lt9611->regmap, 0x8406, 0x08);
987 regmap_write(lt9611->regmap, 0x8407, 0x10);
989 regmap_write(lt9611->regmap, 0x8434, 0xd5);
996 struct lt9611 *lt9611 = data;
998 regmap_write(lt9611->regmap, 0x8406, 0x00);
999 regmap_write(lt9611->regmap, 0x8407, 0x00);
1035 static int lt9611_audio_init(struct device *dev, struct lt9611 *lt9611)
1037 codec_data.data = lt9611;
1038 lt9611->audio_pdev =
1043 return PTR_ERR_OR_ZERO(lt9611->audio_pdev);
1046 static void lt9611_audio_exit(struct lt9611 *lt9611)
1048 if (lt9611->audio_pdev) {
1049 platform_device_unregister(lt9611->audio_pdev);
1050 lt9611->audio_pdev = NULL;
1056 struct lt9611 *lt9611;
1065 lt9611 = devm_kzalloc(dev, sizeof(*lt9611), GFP_KERNEL);
1066 if (!lt9611)
1069 lt9611->dev = dev;
1070 lt9611->client = client;
1071 lt9611->sleep = false;
1073 lt9611->regmap = devm_regmap_init_i2c(client, <9611_regmap_config);
1074 if (IS_ERR(lt9611->regmap)) {
1075 dev_err(lt9611->dev, "regmap i2c init failed\n");
1076 return PTR_ERR(lt9611->regmap);
1079 ret = lt9611_parse_dt(dev, lt9611);
1085 ret = lt9611_gpio_init(lt9611);
1089 ret = lt9611_regulator_init(lt9611);
1093 lt9611_assert_5v(lt9611);
1095 ret = lt9611_regulator_enable(lt9611);
1099 lt9611_reset(lt9611);
1101 ret = lt9611_read_device_rev(lt9611);
1109 IRQF_ONESHOT, "lt9611", lt9611);
1115 i2c_set_clientdata(client, lt9611);
1117 lt9611->bridge.funcs = <9611_bridge_funcs;
1118 lt9611->bridge.of_node = client->dev.of_node;
1119 lt9611->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID |
1121 lt9611->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
1123 drm_bridge_add(<9611->bridge);
1126 lt9611->dsi0 = lt9611_attach_dsi(lt9611, lt9611->dsi0_node);
1127 if (IS_ERR(lt9611->dsi0)) {
1128 ret = PTR_ERR(lt9611->dsi0);
1133 if (lt9611->dsi1_node) {
1134 lt9611->dsi1 = lt9611_attach_dsi(lt9611, lt9611->dsi1_node);
1135 if (IS_ERR(lt9611->dsi1)) {
1136 ret = PTR_ERR(lt9611->dsi1);
1141 lt9611_enable_hpd_interrupts(lt9611);
1143 ret = lt9611_audio_init(dev, lt9611);
1150 drm_bridge_remove(<9611->bridge);
1153 regulator_bulk_disable(ARRAY_SIZE(lt9611->supplies), lt9611->supplies);
1156 of_node_put(lt9611->dsi1_node);
1157 of_node_put(lt9611->dsi0_node);
1164 struct lt9611 *lt9611 = i2c_get_clientdata(client);
1167 lt9611_audio_exit(lt9611);
1168 drm_bridge_remove(<9611->bridge);
1170 regulator_bulk_disable(ARRAY_SIZE(lt9611->supplies), lt9611->supplies);
1172 of_node_put(lt9611->dsi1_node);
1173 of_node_put(lt9611->dsi0_node);
1177 { "lontium,lt9611", 0 },
1183 { .compatible = "lontium,lt9611" },
1190 .name = "lt9611",