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2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d 
 kernel/drivers/media/i2c/lt7911d.c
....@@ -49,6 +49,12 @@
4949 #define LT7911D_LINK_FREQ	400000000
5050 #define LT7911D_PIXEL_RATE	400000000
5151 
52
+#ifdef LT7911D_OUT_RGB
53
+#define LT7911D_MEDIA_BUS_FMT		MEDIA_BUS_FMT_BGR888_1X24
54
+#else
55
+#define LT7911D_MEDIA_BUS_FMT		MEDIA_BUS_FMT_UYVY8_2X8
56
+#endif
57
+
5258 #define LT7911D_NAME			"LT7911D"
5359 
5460 static const s64 link_freq_menu_items[] = {
....@@ -73,7 +79,6 @@
7379 	struct clk *xvclk;
7480 	struct gpio_desc *reset_gpio;
7581 	struct gpio_desc *plugin_det_gpio;
76
-	struct gpio_desc *hpd_ctl_gpio;
7782 	struct gpio_desc *power_gpio;
7883 	struct work_struct work_i2c_poll;
7984 	struct timer_list timer;
....@@ -472,22 +477,6 @@
472477 	return 0;
473478 }
474479 
475
-static void lt7911d_config_hpd(struct v4l2_subdev *sd)
476
-{
477
-	struct lt7911d_state *lt7911d = to_state(sd);
478
-	bool plugin;
479
-
480
-	plugin = tx_5v_power_present(sd);
481
-	v4l2_dbg(2, debug, sd, "%s: plugin: %d\n", __func__, plugin);
482
-
483
-	if (plugin) {
484
-		gpiod_set_value(lt7911d->hpd_ctl_gpio, 1);
485
-	} else {
486
-		lt7911d->nosignal = true;
487
-		gpiod_set_value(lt7911d->hpd_ctl_gpio, 0);
488
-	}
489
-}
490
-
491480 static void lt7911d_delayed_work_enable_hotplug(struct work_struct *work)
492481 {
493482 	struct delayed_work *dwork = to_delayed_work(work);
....@@ -495,7 +484,7 @@
495484 			struct lt7911d_state, delayed_work_enable_hotplug);
496485 	struct v4l2_subdev *sd = &lt7911d->sd;
497486 
498
-	lt7911d_config_hpd(sd);
487
+	v4l2_ctrl_s_ctrl(lt7911d->detect_tx_5v_ctrl, tx_5v_power_present(sd));
499488 }
500489 
501490 static void lt7911d_delayed_work_res_change(struct work_struct *work)
....@@ -577,21 +566,6 @@
577566 		v4l2_subdev_notify_event(sd, &lt7911d_ev_fmt);
578567 }
579568 
580
-static int lt7911d_get_ctrl(struct v4l2_ctrl *ctrl)
581
-{
582
-	int ret = -1;
583
-	struct lt7911d_state *lt7911d = container_of(ctrl->handler,
584
-			struct lt7911d_state, hdl);
585
-	struct v4l2_subdev *sd = &(lt7911d->sd);
586
-
587
-	if (ctrl->id == V4L2_CID_DV_RX_POWER_PRESENT) {
588
-		ret = tx_5v_power_present(sd);
589
-		*ctrl->p_new.p_s32 = ret;
590
-	}
591
-
592
-	return ret;
593
-}
594
-
595569 static int lt7911d_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
596570 {
597571 	struct lt7911d_state *lt7911d = to_state(sd);
....@@ -615,12 +589,10 @@
615589 static irqreturn_t plugin_detect_irq_handler(int irq, void *dev_id)
616590 {
617591 	struct lt7911d_state *lt7911d = dev_id;
618
-	struct v4l2_subdev *sd = &lt7911d->sd;
619592 
620593 	/* control hpd output level after 25ms */
621594 	schedule_delayed_work(&lt7911d->delayed_work_enable_hotplug,
622595 			HZ / 40);
623
-	tx_5v_power_present(sd);
624596 
625597 	return IRQ_HANDLED;
626598 }
....@@ -748,11 +720,11 @@
748720 }
749721 
750722 static int lt7911d_g_mbus_config(struct v4l2_subdev *sd,
751
-				struct v4l2_mbus_config *cfg)
723
+			unsigned int pad, struct v4l2_mbus_config *cfg)
752724 {
753725 	struct lt7911d_state *lt7911d = to_state(sd);
754726 
755
-	cfg->type = V4L2_MBUS_CSI2;
727
+	cfg->type = V4L2_MBUS_CSI2_DPHY;
756728 	cfg->flags = V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK |
757729 			V4L2_MBUS_CSI2_CHANNEL_0;
758730 
....@@ -790,7 +762,7 @@
790762 {
791763 	switch (code->index) {
792764 	case 0:
793
-		code->code = MEDIA_BUS_FMT_UYVY8_2X8;
765
+		code->code = LT7911D_MEDIA_BUS_FMT;
794766 		break;
795767 
796768 	default:
....@@ -807,7 +779,7 @@
807779 	if (fse->index >= ARRAY_SIZE(supported_modes))
808780 		return -EINVAL;
809781 
810
-	if (fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
782
+	if (fse->code != LT7911D_MEDIA_BUS_FMT)
811783 		return -EINVAL;
812784 
813785 	fse->min_width  = supported_modes[fse->index].width;
....@@ -848,8 +820,7 @@
848820 	if (fie->index >= ARRAY_SIZE(supported_modes))
849821 		return -EINVAL;
850822 
851
-	if (fie->code != MEDIA_BUS_FMT_UYVY8_2X8)
852
-		return -EINVAL;
823
+	fie->code = LT7911D_MEDIA_BUS_FMT;
853824 
854825 	fie->width = supported_modes[fie->index].width;
855826 	fie->height = supported_modes[fie->index].height;
....@@ -902,7 +873,7 @@
902873 		return ret;
903874 
904875 	switch (code) {
905
-	case MEDIA_BUS_FMT_UYVY8_2X8:
876
+	case LT7911D_MEDIA_BUS_FMT:
906877 		break;
907878 
908879 	default:
....@@ -951,6 +922,9 @@
951922 	case RKMODULE_GET_MODULE_INFO:
952923 		lt7911d_get_module_inf(lt7911d, (struct rkmodule_inf *)arg);
953924 		break;
925
+	case RKMODULE_GET_HDMI_MODE:
926
+		*(int *)arg = RKMODULE_HDMIIN_MODE;
927
+		break;
954928 	default:
955929 		ret = -ENOIOCTLCMD;
956930 		break;
....@@ -966,6 +940,7 @@
966940 	void __user *up = compat_ptr(arg);
967941 	struct rkmodule_inf *inf;
968942 	long ret;
943
+	int *seq;
969944 
970945 	switch (cmd) {
971946 	case RKMODULE_GET_MODULE_INFO:
....@@ -983,7 +958,21 @@
983958 		}
984959 		kfree(inf);
985960 		break;
961
+	case RKMODULE_GET_HDMI_MODE:
962
+		seq = kzalloc(sizeof(*seq), GFP_KERNEL);
963
+		if (!seq) {
964
+			ret = -ENOMEM;
965
+			return ret;
966
+		}
986967 
968
+		ret = lt7911d_ioctl(sd, cmd, seq);
969
+		if (!ret) {
970
+			ret = copy_to_user(up, seq, sizeof(*seq));
971
+			if (ret)
972
+				ret = -EFAULT;
973
+		}
974
+		kfree(seq);
975
+		break;
987976 	default:
988977 		ret = -ENOIOCTLCMD;
989978 		break;
....@@ -992,10 +981,6 @@
992981 	return ret;
993982 }
994983 #endif
995
-
996
-static const struct v4l2_ctrl_ops lt7911d_ctrl_ops = {
997
-	.g_volatile_ctrl = lt7911d_get_ctrl,
998
-};
999984 
1000985 static const struct v4l2_subdev_core_ops lt7911d_core_ops = {
1001986 	.interrupt_service_routine = lt7911d_isr,
....@@ -1012,7 +997,6 @@
1012997 	.s_dv_timings = lt7911d_s_dv_timings,
1013998 	.g_dv_timings = lt7911d_g_dv_timings,
1014999 	.query_dv_timings = lt7911d_query_dv_timings,
1015
-	.g_mbus_config = lt7911d_g_mbus_config,
10161000 	.s_stream = lt7911d_s_stream,
10171001 	.g_frame_interval = lt7911d_g_frame_interval,
10181002 };
....@@ -1025,6 +1009,7 @@
10251009 	.get_fmt = lt7911d_get_fmt,
10261010 	.enum_dv_timings = lt7911d_enum_dv_timings,
10271011 	.dv_timings_cap = lt7911d_dv_timings_cap,
1012
+	.get_mbus_config = lt7911d_g_mbus_config,
10281013 };
10291014 
10301015 static const struct v4l2_subdev_ops lt7911d_ops = {
....@@ -1055,16 +1040,6 @@
10551040 	.flags = V4L2_CTRL_FLAG_READ_ONLY,
10561041 };
10571042 
1058
-static void lt7911d_reset(struct lt7911d_state *lt7911d)
1059
-{
1060
-	gpiod_set_value(lt7911d->reset_gpio, 0);
1061
-	usleep_range(2000, 2100);
1062
-	gpiod_set_value(lt7911d->reset_gpio, 1);
1063
-	usleep_range(120*1000, 121*1000);
1064
-	gpiod_set_value(lt7911d->reset_gpio, 0);
1065
-	usleep_range(300*1000, 310*1000);
1066
-}
1067
-
10681043 static int lt7911d_init_v4l2_ctrls(struct lt7911d_state *lt7911d)
10691044 {
10701045 	struct v4l2_subdev *sd;
....@@ -1084,10 +1059,8 @@
10841059 			0, LT7911D_PIXEL_RATE, 1, LT7911D_PIXEL_RATE);
10851060 
10861061 	lt7911d->detect_tx_5v_ctrl = v4l2_ctrl_new_std(&lt7911d->hdl,
1087
-			&lt7911d_ctrl_ops, V4L2_CID_DV_RX_POWER_PRESENT,
1062
+			NULL, V4L2_CID_DV_RX_POWER_PRESENT,
10881063 			0, 1, 0, 0);
1089
-	if (lt7911d->detect_tx_5v_ctrl)
1090
-		lt7911d->detect_tx_5v_ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
10911064 
10921065 	lt7911d->audio_sampling_rate_ctrl =
10931066 		v4l2_ctrl_new_custom(&lt7911d->hdl,
....@@ -1119,7 +1092,7 @@
11191092 {
11201093 	struct device *dev = &lt7911d->i2c_client->dev;
11211094 	struct device_node *node = dev->of_node;
1122
-	struct v4l2_fwnode_endpoint *endpoint;
1095
+	struct v4l2_fwnode_endpoint endpoint = { .bus_type = 0 };
11231096 	struct device_node *ep;
11241097 	int ret;
11251098 
....@@ -1160,29 +1133,20 @@
11601133 		return ret;
11611134 	}
11621135 
1163
-	lt7911d->hpd_ctl_gpio = devm_gpiod_get_optional(dev, "hpd-ctl",
1164
-			GPIOD_OUT_HIGH);
1165
-	if (IS_ERR(lt7911d->hpd_ctl_gpio)) {
1166
-		dev_err(dev, "failed to get hpd ctl gpio\n");
1167
-		ret = PTR_ERR(lt7911d->hpd_ctl_gpio);
1168
-		return ret;
1169
-	}
1170
-
11711136 	ep = of_graph_get_next_endpoint(dev->of_node, NULL);
11721137 	if (!ep) {
11731138 		dev_err(dev, "missing endpoint node\n");
11741139 		return -EINVAL;
11751140 	}
11761141 
1177
-	endpoint = v4l2_fwnode_endpoint_alloc_parse(of_fwnode_handle(ep));
1178
-	if (IS_ERR(endpoint)) {
1142
+	ret = v4l2_fwnode_endpoint_alloc_parse(of_fwnode_handle(ep), &endpoint);
1143
+	if (ret) {
11791144 		dev_err(dev, "failed to parse endpoint\n");
1180
-		ret = PTR_ERR(endpoint);
1181
-		return ret;
1145
+		goto put_node;
11821146 	}
11831147 
1184
-	if (endpoint->bus_type != V4L2_MBUS_CSI2 ||
1185
-			endpoint->bus.mipi_csi2.num_data_lanes == 0) {
1148
+	if (endpoint.bus_type != V4L2_MBUS_CSI2_DPHY ||
1149
+			endpoint.bus.mipi_csi2.num_data_lanes == 0) {
11861150 		dev_err(dev, "missing CSI-2 properties in endpoint\n");
11871151 		ret = -EINVAL;
11881152 		goto free_endpoint;
....@@ -1201,18 +1165,20 @@
12011165 		goto free_endpoint;
12021166 	}
12031167 
1204
-	lt7911d->csi_lanes_in_use = endpoint->bus.mipi_csi2.num_data_lanes;
1205
-	lt7911d->bus = endpoint->bus.mipi_csi2;
1168
+	lt7911d->csi_lanes_in_use = endpoint.bus.mipi_csi2.num_data_lanes;
1169
+	lt7911d->bus = endpoint.bus.mipi_csi2;
12061170 	lt7911d->enable_hdcp = false;
12071171 
1208
-	gpiod_set_value(lt7911d->hpd_ctl_gpio, 0);
12091172 	gpiod_set_value(lt7911d->power_gpio, 1);
1210
-	lt7911d_reset(lt7911d);
1173
+	usleep_range(2000, 3000);
1174
+	gpiod_set_value(lt7911d->reset_gpio, 0);
12111175 
12121176 	ret = 0;
12131177 
12141178 free_endpoint:
1215
-	v4l2_fwnode_endpoint_free(endpoint);
1179
+	v4l2_fwnode_endpoint_free(&endpoint);
1180
+put_node:
1181
+	of_node_put(ep);
12161182 	return ret;
12171183 }
12181184 #else
....@@ -1266,7 +1232,7 @@
12661232 	sd = &lt7911d->sd;
12671233 	lt7911d->i2c_client = client;
12681234 	lt7911d->cur_mode = &supported_modes[0];
1269
-	lt7911d->mbus_fmt_code = MEDIA_BUS_FMT_UYVY8_2X8;
1235
+	lt7911d->mbus_fmt_code = LT7911D_MEDIA_BUS_FMT;
12701236 
12711237 	err = lt7911d_probe_of(lt7911d);
12721238 	if (err) {
....@@ -1277,8 +1243,6 @@
12771243 	err = lt7911d_check_chip_id(lt7911d);
12781244 	if (err < 0)
12791245 		return err;
1280
-
1281
-	lt7911d_reset(lt7911d);
12821246 
12831247 	mutex_init(&lt7911d->confctl_mutex);
12841248 	err = lt7911d_init_v4l2_ctrls(lt7911d);
....@@ -1357,7 +1321,6 @@
13571321 		goto err_work_queues;
13581322 	}
13591323 
1360
-	lt7911d_config_hpd(sd);
13611324 	v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
13621325 			client->addr << 1, client->adapter->name);
13631326