~hc/RK356X_SDK_RELEASE.git

..	..	@@ -1,24 +1,9 @@
	1	+// SPDX-License-Identifier: GPL-2.0
1	2	/*
2	3	* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
3	4	* Author:
4	5	* Sandy Huang <hjc@rock-chips.com>
5		- *
6		- * This software is licensed under the terms of the GNU General Public
7		- * License version 2, as published by the Free Software Foundation, and
8		- * may be copied, distributed, and modified under those terms.
9		- *
10		- * This program is distributed in the hope that it will be useful,
11		- * but WITHOUT ANY WARRANTY; without even the implied warranty of
12		- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13		- * GNU General Public License for more details.
14	6	*/
15		-
16		-#include <drm/drmP.h>
17		-#include <drm/drm_atomic_helper.h>
18		-#include <drm/drm_crtc_helper.h>
19		-#include <drm/drm_dp_helper.h>
20		-#include <drm/drm_panel.h>
21		-#include <drm/drm_of.h>
22	7
23	8	#include <linux/component.h>
24	9	#include <linux/of_device.h>
..	..	@@ -27,6 +12,17 @@
27	12	#include <linux/mfd/syscon.h>
28	13	#include <linux/phy/phy.h>
29	14	#include <linux/pinctrl/consumer.h>
	15	+#include <linux/gpio/consumer.h>
	16	+
	17	+#include <video/of_display_timing.h>
	18	+
	19	+#include <drm/drm_atomic_helper.h>
	20	+#include <drm/drm_crtc_helper.h>
	21	+#include <drm/drm_dp_helper.h>
	22	+#include <drm/drm_of.h>
	23	+#include <drm/drm_panel.h>
	24	+#include <drm/drm_probe_helper.h>
	25	+
30	26	#include <uapi/linux/videodev2.h>
31	27
32	28	#include "rockchip_drm_drv.h"
..	..	@@ -41,6 +37,11 @@
41	37	#define RK1808_GRF_PD_VO_CON1 0x0444
42	38	#define RK1808_RGB_DATA_SYNC_BYPASS(v) HIWORD_UPDATE(v, 3, 3)
43	39
	40	+#define RV1106_VENC_GRF_VOP_IO_WRAPPER 0x1000c
	41	+#define RV1106_IO_BYPASS_SEL(v) HIWORD_UPDATE(v, 0, 1)
	42	+#define RV1106_VOGRF_VOP_PIPE_BYPASS 0x60034
	43	+#define RV1106_VOP_PIPE_BYPASS(v) HIWORD_UPDATE(v, 0, 1)
	44	+
44	45	#define RV1126_GRF_IOFUNC_CON3 0x1026c
45	46	#define RV1126_LCDC_IO_BYPASS(v) HIWORD_UPDATE(v, 0, 0)
46	47
..	..	@@ -53,6 +54,9 @@
53	54	#define RK3288_LVDS_CON_CLKINV(x) HIWORD_UPDATE(x, 8, 8)
54	55	#define RK3288_LVDS_CON_TTL_EN(x) HIWORD_UPDATE(x, 6, 6)
55	56
	57	+#define RK3562_GRF_IOC_VO_IO_CON 0x10500
	58	+#define RK3562_RGB_DATA_BYPASS(v) HIWORD_UPDATE(v, 6, 6)
	59	+
56	60	#define RK3568_GRF_VO_CON1 0X0364
57	61	#define RK3568_RGB_DATA_BYPASS(v) HIWORD_UPDATE(v, 6, 6)
58	62
..	..	@@ -63,9 +67,72 @@
63	67	void (disable)(struct rockchip_rgb rgb);
64	68	};
65	69
	70	+struct rockchip_rgb_data {
	71	+ u32 rgb_max_dclk_rate;
	72	+ u32 mcu_max_dclk_rate;
	73	+ const struct rockchip_rgb_funcs *funcs;
	74	+};
	75	+
	76	+struct mcu_cmd_header {
	77	+ u8 data_type;
	78	+ u8 delay;
	79	+ u8 payload_length;
	80	+} __packed;
	81	+
	82	+struct mcu_cmd_desc {
	83	+ struct mcu_cmd_header header;
	84	+ u8 *payload;
	85	+};
	86	+
	87	+struct mcu_cmd_seq {
	88	+ struct mcu_cmd_desc *cmds;
	89	+ unsigned int cmd_cnt;
	90	+};
	91	+
	92	+struct rockchip_mcu_panel_desc {
	93	+ struct drm_display_mode *mode;
	94	+ struct mcu_cmd_seq *init_seq;
	95	+ struct mcu_cmd_seq *exit_seq;
	96	+
	97	+ struct {
	98	+ unsigned int width;
	99	+ unsigned int height;
	100	+ } size;
	101	+
	102	+ struct {
	103	+ unsigned int prepare;
	104	+ unsigned int enable;
	105	+ unsigned int disable;
	106	+ unsigned int unprepare;
	107	+ unsigned int reset;
	108	+ unsigned int init;
	109	+ } delay;
	110	+
	111	+ unsigned int bpc;
	112	+ u32 bus_format;
	113	+ u32 bus_flags;
	114	+};
	115	+
	116	+struct rockchip_mcu_panel {
	117	+ struct drm_panel base;
	118	+ struct drm_device *drm_dev;
	119	+ struct rockchip_mcu_panel_desc *desc;
	120	+
	121	+ struct gpio_desc *enable_gpio;
	122	+ struct gpio_desc *reset_gpio;
	123	+
	124	+ struct device_node *np_crtc;
	125	+
	126	+ bool prepared;
	127	+ bool enabled;
	128	+};
	129	+
66	130	struct rockchip_rgb {
67	131	u8 id;
	132	+ u32 max_dclk_rate;
	133	+ u32 mcu_pix_total;
68	134	struct device *dev;
	135	+ struct device_node *np_mcu_panel;
69	136	struct drm_panel *panel;
70	137	struct drm_bridge *bridge;
71	138	struct drm_connector connector;
..	..	@@ -73,6 +140,7 @@
73	140	struct phy *phy;
74	141	struct regmap *grf;
75	142	bool data_sync_bypass;
	143	+ bool phy_enabled;
76	144	const struct rockchip_rgb_funcs *funcs;
77	145	struct rockchip_drm_sub_dev sub_dev;
78	146	};
..	..	@@ -85,6 +153,11 @@
85	153	static inline struct rockchip_rgb encoder_to_rgb(struct drm_encoder e)
86	154	{
87	155	return container_of(e, struct rockchip_rgb, encoder);
	156	+}
	157	+
	158	+static inline struct rockchip_mcu_panel to_rockchip_mcu_panel(struct drm_panel panel)
	159	+{
	160	+ return container_of(panel, struct rockchip_mcu_panel, base);
88	161	}
89	162
90	163	static enum drm_connector_status
..	..	@@ -112,7 +185,6 @@
112	185	}
113	186
114	187	static const struct drm_connector_funcs rockchip_rgb_connector_funcs = {
115		- .dpms = drm_helper_connector_dpms,
116	188	.detect = rockchip_rgb_connector_detect,
117	189	.fill_modes = drm_helper_probe_single_connector_modes,
118	190	.destroy = drm_connector_cleanup,
..	..	@@ -127,7 +199,7 @@
127	199	struct rockchip_rgb *rgb = connector_to_rgb(connector);
128	200	struct drm_panel *panel = rgb->panel;
129	201
130		- return drm_panel_get_modes(panel);
	202	+ return drm_panel_get_modes(panel, connector);
131	203	}
132	204
133	205	static struct drm_encoder *
..	..	@@ -147,21 +219,15 @@
147	219	static void rockchip_rgb_encoder_enable(struct drm_encoder *encoder)
148	220	{
149	221	struct rockchip_rgb *rgb = encoder_to_rgb(encoder);
150		- int ret;
151	222
152	223	pinctrl_pm_select_default_state(rgb->dev);
153	224
154	225	if (rgb->funcs && rgb->funcs->enable)
155	226	rgb->funcs->enable(rgb);
156	227
157		- if (rgb->phy) {
158		- ret = phy_set_mode(rgb->phy, PHY_MODE_VIDEO_TTL);
159		- if (ret) {
160		- dev_err(rgb->dev, "failed to set phy mode: %d\n", ret);
161		- return;
162		- }
163		-
	228	+ if (rgb->phy && !rgb->phy_enabled) {
164	229	phy_power_on(rgb->phy);
	230	+ rgb->phy_enabled = true;
165	231	}
166	232
167	233	if (rgb->panel) {
..	..	@@ -173,28 +239,21 @@
173	239	static void rockchip_rgb_encoder_disable(struct drm_encoder *encoder)
174	240	{
175	241	struct rockchip_rgb *rgb = encoder_to_rgb(encoder);
176		- struct drm_crtc *crtc = encoder->crtc;
177		- struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state);
178	242
179	243	if (rgb->panel) {
180	244	drm_panel_disable(rgb->panel);
181	245	drm_panel_unprepare(rgb->panel);
182	246	}
183	247
184		- if (rgb->phy)
	248	+ if (rgb->phy && rgb->phy_enabled) {
185	249	phy_power_off(rgb->phy);
	250	+ rgb->phy_enabled = false;
	251	+ }
186	252
187	253	if (rgb->funcs && rgb->funcs->disable)
188	254	rgb->funcs->disable(rgb);
189	255
190	256	pinctrl_pm_select_sleep_state(rgb->dev);
191		-
192		- if (s->output_if & VOP_OUTPUT_IF_RGB)
193		- s->output_if &= ~VOP_OUTPUT_IF_RGB;
194		- else if (s->output_if & VOP_OUTPUT_IF_BT656)
195		- s->output_if &= ~VOP_OUTPUT_IF_BT656;
196		- else if (s->output_if & VOP_OUTPUT_IF_BT1120)
197		- s->output_if &= ~VOP_OUTPUT_IF_BT1120;
198	257	}
199	258
200	259	static int
..	..	@@ -214,46 +273,57 @@
214	273	switch (s->bus_format) {
215	274	case MEDIA_BUS_FMT_RGB666_1X18:
216	275	s->output_mode = ROCKCHIP_OUT_MODE_P666;
217		- s->output_if \|= VOP_OUTPUT_IF_RGB;
	276	+ s->output_if = VOP_OUTPUT_IF_RGB;
218	277	break;
219	278	case MEDIA_BUS_FMT_RGB565_1X16:
220	279	s->output_mode = ROCKCHIP_OUT_MODE_P565;
221		- s->output_if \|= VOP_OUTPUT_IF_RGB;
	280	+ s->output_if = VOP_OUTPUT_IF_RGB;
222	281	break;
223		- case MEDIA_BUS_FMT_SRGB888_3X8:
	282	+ case MEDIA_BUS_FMT_RGB565_2X8_LE:
	283	+ case MEDIA_BUS_FMT_BGR565_2X8_LE:
	284	+ s->output_mode = ROCKCHIP_OUT_MODE_S565;
	285	+ s->output_if = VOP_OUTPUT_IF_RGB;
	286	+ break;
	287	+ case MEDIA_BUS_FMT_RGB666_3X6:
	288	+ s->output_mode = ROCKCHIP_OUT_MODE_S666;
	289	+ s->output_if = VOP_OUTPUT_IF_RGB;
	290	+ break;
	291	+ case MEDIA_BUS_FMT_RGB888_3X8:
	292	+ case MEDIA_BUS_FMT_BGR888_3X8:
224	293	s->output_mode = ROCKCHIP_OUT_MODE_S888;
225		- s->output_if \|= VOP_OUTPUT_IF_RGB;
	294	+ s->output_if = VOP_OUTPUT_IF_RGB;
226	295	break;
227		- case MEDIA_BUS_FMT_SRGB888_DUMMY_4X8:
	296	+ case MEDIA_BUS_FMT_RGB888_DUMMY_4X8:
	297	+ case MEDIA_BUS_FMT_BGR888_DUMMY_4X8:
228	298	s->output_mode = ROCKCHIP_OUT_MODE_S888_DUMMY;
229		- s->output_if \|= VOP_OUTPUT_IF_RGB;
	299	+ s->output_if = VOP_OUTPUT_IF_RGB;
230	300	break;
231	301	case MEDIA_BUS_FMT_YUYV8_2X8:
232	302	case MEDIA_BUS_FMT_YVYU8_2X8:
233	303	case MEDIA_BUS_FMT_UYVY8_2X8:
234	304	case MEDIA_BUS_FMT_VYUY8_2X8:
235	305	s->output_mode = ROCKCHIP_OUT_MODE_BT656;
236		- s->output_if \|= VOP_OUTPUT_IF_BT656;
	306	+ s->output_if = VOP_OUTPUT_IF_BT656;
237	307	break;
238	308	case MEDIA_BUS_FMT_YUYV8_1X16:
239	309	case MEDIA_BUS_FMT_YVYU8_1X16:
240	310	case MEDIA_BUS_FMT_UYVY8_1X16:
241	311	case MEDIA_BUS_FMT_VYUY8_1X16:
242	312	s->output_mode = ROCKCHIP_OUT_MODE_BT1120;
243		- s->output_if \|= VOP_OUTPUT_IF_BT1120;
	313	+ s->output_if = VOP_OUTPUT_IF_BT1120;
244	314	break;
245	315	case MEDIA_BUS_FMT_RGB888_1X24:
246	316	case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
247	317	default:
248	318	s->output_mode = ROCKCHIP_OUT_MODE_P888;
249		- s->output_if \|= VOP_OUTPUT_IF_RGB;
	319	+ s->output_if = VOP_OUTPUT_IF_RGB;
250	320	break;
251	321	}
252	322
253	323	s->output_type = DRM_MODE_CONNECTOR_DPI;
254	324	s->bus_flags = info->bus_flags;
255	325	s->tv_state = &conn_state->tv;
256		- s->eotf = TRADITIONAL_GAMMA_SDR;
	326	+ s->eotf = HDMI_EOTF_TRADITIONAL_GAMMA_SDR;
257	327	s->color_space = V4L2_COLORSPACE_DEFAULT;
258	328
259	329	return 0;
..	..	@@ -264,10 +334,65 @@
264	334	{
265	335	struct rockchip_rgb *rgb = encoder_to_rgb(encoder);
266	336
	337	+ if (rgb->np_mcu_panel) {
	338	+ struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(rgb->panel);
	339	+
	340	+ mcu_panel->prepared = true;
	341	+ mcu_panel->enabled = true;
	342	+
	343	+ return 0;
	344	+ }
	345	+
267	346	if (rgb->panel)
268		- drm_panel_loader_protect(rgb->panel, on);
	347	+ panel_simple_loader_protect(rgb->panel);
	348	+
	349	+ if (on) {
	350	+ phy_init(rgb->phy);
	351	+ if (rgb->phy) {
	352	+ rgb->phy->power_count++;
	353	+ rgb->phy_enabled = true;
	354	+ }
	355	+ } else {
	356	+ phy_exit(rgb->phy);
	357	+ if (rgb->phy) {
	358	+ rgb->phy->power_count--;
	359	+ rgb->phy_enabled = false;
	360	+ }
	361	+ }
269	362
270	363	return 0;
	364	+}
	365	+
	366	+static enum drm_mode_status
	367	+rockchip_rgb_encoder_mode_valid(struct drm_encoder *encoder,
	368	+ const struct drm_display_mode *mode)
	369	+{
	370	+ struct rockchip_rgb *rgb = encoder_to_rgb(encoder);
	371	+ struct device *dev = rgb->dev;
	372	+ struct drm_display_info *info = &rgb->connector.display_info;
	373	+ u32 request_clock = mode->clock;
	374	+ u32 max_clock = rgb->max_dclk_rate;
	375	+ u32 bus_format;
	376	+
	377	+ if (info->num_bus_formats)
	378	+ bus_format = info->bus_formats[0];
	379	+ else
	380	+ bus_format = MEDIA_BUS_FMT_RGB888_1X24;
	381	+
	382	+ if (mode->flags & DRM_MODE_FLAG_DBLCLK)
	383	+ request_clock *= 2;
	384	+
	385	+ if (rgb->np_mcu_panel)
	386	+ request_clock = rockchip_drm_get_cycles_per_pixel(bus_format)
	387	+ (rgb->mcu_pix_total + 1);
	388	+
	389	+ if (max_clock != 0 && request_clock > max_clock) {
	390	+ DRM_DEV_ERROR(dev, "mode [%dx%d] clock %d is higher than max_clock %d\n",
	391	+ mode->hdisplay, mode->vdisplay, request_clock, max_clock);
	392	+ return MODE_CLOCK_HIGH;
	393	+ }
	394	+
	395	+ return MODE_OK;
271	396	}
272	397
273	398	static const
..	..	@@ -275,12 +400,418 @@
275	400	.enable = rockchip_rgb_encoder_enable,
276	401	.disable = rockchip_rgb_encoder_disable,
277	402	.atomic_check = rockchip_rgb_encoder_atomic_check,
278		- .loader_protect = rockchip_rgb_encoder_loader_protect,
	403	+ .mode_valid = rockchip_rgb_encoder_mode_valid,
279	404	};
280	405
281	406	static const struct drm_encoder_funcs rockchip_rgb_encoder_funcs = {
282	407	.destroy = drm_encoder_cleanup,
283	408	};
	409	+
	410	+static int rockchip_mcu_panel_parse_cmd_seq(struct device *dev,
	411	+ const u8 *data, int length,
	412	+ struct mcu_cmd_seq *seq)
	413	+{
	414	+ struct mcu_cmd_header *header;
	415	+ struct mcu_cmd_desc *desc;
	416	+ char buf, d;
	417	+ unsigned int i, cnt, len;
	418	+
	419	+ if (!seq)
	420	+ return -EINVAL;
	421	+
	422	+ buf = devm_kmemdup(dev, data, length, GFP_KERNEL);
	423	+ if (!buf)
	424	+ return -ENOMEM;
	425	+
	426	+ d = buf;
	427	+ len = length;
	428	+ cnt = 0;
	429	+ while (len > sizeof(*header)) {
	430	+ header = (struct mcu_cmd_header *)d;
	431	+
	432	+ d += sizeof(*header);
	433	+ len -= sizeof(*header);
	434	+
	435	+ if (header->payload_length > len)
	436	+ return -EINVAL;
	437	+
	438	+ d += header->payload_length;
	439	+ len -= header->payload_length;
	440	+ cnt++;
	441	+ }
	442	+
	443	+ if (len)
	444	+ return -EINVAL;
	445	+
	446	+ seq->cmd_cnt = cnt;
	447	+ seq->cmds = devm_kcalloc(dev, cnt, sizeof(*desc), GFP_KERNEL);
	448	+ if (!seq->cmds)
	449	+ return -ENOMEM;
	450	+
	451	+ d = buf;
	452	+ len = length;
	453	+ for (i = 0; i < cnt; i++) {
	454	+ header = (struct mcu_cmd_header *)d;
	455	+ len -= sizeof(*header);
	456	+ d += sizeof(*header);
	457	+
	458	+ desc = &seq->cmds[i];
	459	+ desc->header = *header;
	460	+ desc->payload = d;
	461	+
	462	+ d += header->payload_length;
	463	+ len -= header->payload_length;
	464	+ }
	465	+
	466	+ return 0;
	467	+}
	468	+
	469	+static int rockchip_mcu_panel_init(struct rockchip_rgb *rgb)
	470	+{
	471	+ struct device *dev = rgb->dev;
	472	+ struct device_node *np_mcu_panel = rgb->np_mcu_panel;
	473	+ struct device_node port, endpoint, np_crtc, remote, *np_mcu_timing;
	474	+ struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(rgb->panel);
	475	+ struct drm_display_mode *mode;
	476	+ const void *data;
	477	+ int len;
	478	+ int ret;
	479	+ u32 bus_flags;
	480	+ u32 val;
	481	+
	482	+ mcu_panel->enable_gpio = devm_fwnode_gpiod_get_index(dev, &np_mcu_panel->fwnode,
	483	+ "enable", 0, GPIOD_ASIS,
	484	+ fwnode_get_name(&np_mcu_panel->fwnode));
	485	+ if (IS_ERR(mcu_panel->enable_gpio)) {
	486	+ DRM_DEV_ERROR(dev, "failed to find mcu panel enable GPIO\n");
	487	+ return PTR_ERR(mcu_panel->enable_gpio);
	488	+ }
	489	+
	490	+ mcu_panel->reset_gpio = devm_fwnode_gpiod_get_index(dev, &np_mcu_panel->fwnode,
	491	+ "reset", 0, GPIOD_ASIS,
	492	+ fwnode_get_name(&np_mcu_panel->fwnode));
	493	+ if (IS_ERR(mcu_panel->reset_gpio)) {
	494	+ DRM_DEV_ERROR(dev, "failed to find mcu panel reset GPIO\n");
	495	+ return PTR_ERR(mcu_panel->reset_gpio);
	496	+ }
	497	+
	498	+ mcu_panel->desc = devm_kzalloc(dev, sizeof(*mcu_panel->desc), GFP_KERNEL);
	499	+ if (!mcu_panel->desc)
	500	+ return -ENOMEM;
	501	+
	502	+ mode = devm_kzalloc(dev, sizeof(*mode), GFP_KERNEL);
	503	+ if (!mode)
	504	+ return -ENOMEM;
	505	+
	506	+ if (!of_get_drm_display_mode(np_mcu_panel, mode, &bus_flags,
	507	+ OF_USE_NATIVE_MODE)) {
	508	+ mcu_panel->desc->mode = mode;
	509	+ mcu_panel->desc->bus_flags = bus_flags;
	510	+ } else {
	511	+ DRM_DEV_ERROR(dev, "failed to parse display mode\n");
	512	+ return -EINVAL;
	513	+ }
	514	+
	515	+ of_property_read_u32(np_mcu_panel, "bpc", &mcu_panel->desc->bpc);
	516	+ of_property_read_u32(np_mcu_panel, "bus-format", &mcu_panel->desc->bus_format);
	517	+ of_property_read_u32(np_mcu_panel, "width-mm", &mcu_panel->desc->size.width);
	518	+ of_property_read_u32(np_mcu_panel, "height-mm", &mcu_panel->desc->size.height);
	519	+
	520	+ of_property_read_u32(np_mcu_panel, "prepare-delay-ms", &mcu_panel->desc->delay.prepare);
	521	+ of_property_read_u32(np_mcu_panel, "enable-delay-ms", &mcu_panel->desc->delay.enable);
	522	+ of_property_read_u32(np_mcu_panel, "disable-delay-ms", &mcu_panel->desc->delay.disable);
	523	+ of_property_read_u32(np_mcu_panel, "unprepare-delay-ms",
	524	+ &mcu_panel->desc->delay.unprepare);
	525	+ of_property_read_u32(np_mcu_panel, "reset-delay-ms", &mcu_panel->desc->delay.reset);
	526	+ of_property_read_u32(np_mcu_panel, "init-delay-ms", &mcu_panel->desc->delay.init);
	527	+
	528	+ data = of_get_property(np_mcu_panel, "panel-init-sequence", &len);
	529	+ if (data) {
	530	+ mcu_panel->desc->init_seq = devm_kzalloc(dev, sizeof(*mcu_panel->desc->init_seq),
	531	+ GFP_KERNEL);
	532	+ if (!mcu_panel->desc->init_seq)
	533	+ return -ENOMEM;
	534	+
	535	+ ret = rockchip_mcu_panel_parse_cmd_seq(dev, data, len,
	536	+ mcu_panel->desc->init_seq);
	537	+ if (ret < 0) {
	538	+ DRM_DEV_ERROR(dev, "failed to parse init sequence\n");
	539	+ return ret;
	540	+ }
	541	+ }
	542	+
	543	+ data = of_get_property(np_mcu_panel, "panel-exit-sequence", &len);
	544	+ if (data) {
	545	+ mcu_panel->desc->exit_seq = devm_kzalloc(dev, sizeof(*mcu_panel->desc->exit_seq),
	546	+ GFP_KERNEL);
	547	+ if (!mcu_panel->desc->exit_seq)
	548	+ return -ENOMEM;
	549	+
	550	+ ret = rockchip_mcu_panel_parse_cmd_seq(dev, data, len,
	551	+ mcu_panel->desc->exit_seq);
	552	+ if (ret < 0) {
	553	+ DRM_DEV_ERROR(dev, "failed to parse exit sequence\n");
	554	+ return ret;
	555	+ }
	556	+ }
	557	+
	558	+ /*
	559	+ * Support to find crtc device for both vop and vop3:
	560	+ * vopl/vopb -> rgb
	561	+ * vop2/vop3 -> vp -> rgb
	562	+ */
	563	+ port = of_graph_get_port_by_id(dev->of_node, 0);
	564	+ if (port) {
	565	+ for_each_child_of_node(port, endpoint) {
	566	+ if (of_device_is_available(endpoint)) {
	567	+ remote = of_graph_get_remote_endpoint(endpoint);
	568	+ if (remote) {
	569	+ np_crtc = of_get_next_parent(remote);
	570	+ mcu_panel->np_crtc = np_crtc;
	571	+
	572	+ of_node_put(np_crtc);
	573	+ break;
	574	+ }
	575	+ }
	576	+ }
	577	+
	578	+ if (!mcu_panel->np_crtc) {
	579	+ DRM_DEV_ERROR(dev, "failed to find available crtc for mcu panel\n");
	580	+ return -EINVAL;
	581	+ }
	582	+
	583	+ np_mcu_timing = of_get_child_by_name(mcu_panel->np_crtc, "mcu-timing");
	584	+ if (!np_mcu_timing) {
	585	+ np_crtc = of_get_parent(mcu_panel->np_crtc);
	586	+ if (np_crtc)
	587	+ np_mcu_timing = of_get_child_by_name(np_crtc, "mcu-timing");
	588	+
	589	+ if (!np_mcu_timing) {
	590	+ DRM_DEV_ERROR(dev, "failed to find timing config for mcu panel\n");
	591	+ of_node_put(np_crtc);
	592	+ return -EINVAL;
	593	+ }
	594	+
	595	+ of_node_put(np_crtc);
	596	+ }
	597	+
	598	+ ret = of_property_read_u32(np_mcu_timing, "mcu-pix-total", &val);
	599	+ if (ret \|\| val == 0) {
	600	+ DRM_DEV_ERROR(dev, "failed to parse mcu_pix_total config\n");
	601	+ of_node_put(np_mcu_timing);
	602	+ return -EINVAL;
	603	+ }
	604	+ rgb->mcu_pix_total = val;
	605	+
	606	+ of_node_put(np_mcu_timing);
	607	+ }
	608	+
	609	+ return 0;
	610	+}
	611	+
	612	+static void rockchip_mcu_panel_sleep(unsigned int msec)
	613	+{
	614	+ if (msec > 20)
	615	+ msleep(msec);
	616	+ else
	617	+ usleep_range(msec * 1000, (msec + 1) * 1000);
	618	+}
	619	+
	620	+static int rockchip_mcu_panel_xfer_mcu_cmd_seq(struct rockchip_mcu_panel *mcu_panel,
	621	+ struct mcu_cmd_seq *cmds)
	622	+{
	623	+ struct drm_device *drm_dev = mcu_panel->drm_dev;
	624	+ struct drm_panel *panel = &mcu_panel->base;
	625	+ struct device_node *np_crtc = mcu_panel->np_crtc;
	626	+ struct drm_crtc *crtc;
	627	+ struct mcu_cmd_desc *cmd;
	628	+ struct rockchip_drm_private *priv;
	629	+ int i;
	630	+ int pipe = 0;
	631	+ u32 value;
	632	+
	633	+ if (!cmds)
	634	+ return -EINVAL;
	635	+
	636	+ drm_for_each_crtc(crtc, drm_dev) {
	637	+ if (crtc->port == np_crtc)
	638	+ break;
	639	+ }
	640	+
	641	+ pipe = drm_crtc_index(crtc);
	642	+ priv = crtc->dev->dev_private;
	643	+ if (!priv->crtc_funcs[pipe]->crtc_send_mcu_cmd) {
	644	+ DRM_DEV_ERROR(panel->dev, "crtc not supported to send mcu cmds\n");
	645	+ return -EINVAL;
	646	+ }
	647	+
	648	+ priv->crtc_funcs[pipe]->crtc_send_mcu_cmd(crtc, MCU_SETBYPASS, 1);
	649	+ for (i = 0; i < cmds->cmd_cnt; i++) {
	650	+ cmd = &cmds->cmds[i];
	651	+ value = cmd->payload[0];
	652	+ priv->crtc_funcs[pipe]->crtc_send_mcu_cmd(crtc, cmd->header.data_type, value);
	653	+ if (cmd->header.delay)
	654	+ rockchip_mcu_panel_sleep(cmd->header.delay);
	655	+ }
	656	+ priv->crtc_funcs[pipe]->crtc_send_mcu_cmd(crtc, MCU_SETBYPASS, 0);
	657	+
	658	+ return 0;
	659	+}
	660	+
	661	+static int rockchip_mcu_panel_disable(struct drm_panel *panel)
	662	+{
	663	+ struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
	664	+ int ret = 0;
	665	+
	666	+ if (!mcu_panel->enabled)
	667	+ return 0;
	668	+
	669	+ if (mcu_panel->desc->delay.disable)
	670	+ msleep(mcu_panel->desc->delay.disable);
	671	+
	672	+ ret = rockchip_mcu_panel_xfer_mcu_cmd_seq(mcu_panel, mcu_panel->desc->exit_seq);
	673	+ if (ret)
	674	+ DRM_DEV_ERROR(panel->dev, "failed to send exit cmds seq\n");
	675	+
	676	+ mcu_panel->enabled = false;
	677	+
	678	+ return 0;
	679	+}
	680	+
	681	+static int rockchip_mcu_panel_unprepare(struct drm_panel *panel)
	682	+{
	683	+ struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
	684	+
	685	+ if (!mcu_panel->prepared)
	686	+ return 0;
	687	+
	688	+ gpiod_direction_output(mcu_panel->reset_gpio, 1);
	689	+ gpiod_direction_output(mcu_panel->enable_gpio, 0);
	690	+
	691	+ if (mcu_panel->desc->delay.unprepare)
	692	+ msleep(mcu_panel->desc->delay.unprepare);
	693	+
	694	+ mcu_panel->prepared = false;
	695	+
	696	+ return 0;
	697	+}
	698	+
	699	+static int rockchip_mcu_panel_prepare(struct drm_panel *panel)
	700	+{
	701	+ struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
	702	+ unsigned int delay;
	703	+
	704	+ if (mcu_panel->prepared)
	705	+ return 0;
	706	+
	707	+ gpiod_direction_output(mcu_panel->enable_gpio, 1);
	708	+
	709	+ delay = mcu_panel->desc->delay.prepare;
	710	+ if (delay)
	711	+ msleep(delay);
	712	+
	713	+ gpiod_direction_output(mcu_panel->reset_gpio, 1);
	714	+
	715	+ if (mcu_panel->desc->delay.reset)
	716	+ msleep(mcu_panel->desc->delay.reset);
	717	+
	718	+ gpiod_direction_output(mcu_panel->reset_gpio, 0);
	719	+
	720	+ if (mcu_panel->desc->delay.init)
	721	+ msleep(mcu_panel->desc->delay.init);
	722	+
	723	+ mcu_panel->prepared = true;
	724	+
	725	+ return 0;
	726	+}
	727	+
	728	+static int rockchip_mcu_panel_enable(struct drm_panel *panel)
	729	+{
	730	+ struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
	731	+ int ret = 0;
	732	+
	733	+ if (mcu_panel->enabled)
	734	+ return 0;
	735	+
	736	+ ret = rockchip_mcu_panel_xfer_mcu_cmd_seq(mcu_panel, mcu_panel->desc->init_seq);
	737	+ if (ret)
	738	+ DRM_DEV_ERROR(panel->dev, "failed to send init cmds seq\n");
	739	+
	740	+ if (mcu_panel->desc->delay.enable)
	741	+ msleep(mcu_panel->desc->delay.enable);
	742	+
	743	+ mcu_panel->enabled = true;
	744	+
	745	+ return 0;
	746	+}
	747	+
	748	+static int rockchip_mcu_panel_get_modes(struct drm_panel *panel,
	749	+ struct drm_connector *connector)
	750	+{
	751	+ struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
	752	+ struct drm_display_mode m, mode;
	753	+
	754	+ if (!mcu_panel->desc)
	755	+ return 0;
	756	+
	757	+ m = mcu_panel->desc->mode;
	758	+ mode = drm_mode_duplicate(connector->dev, m);
	759	+ if (!mode) {
	760	+ DRM_DEV_ERROR(mcu_panel->base.dev, "failed to add mode %ux%u@%u\n",
	761	+ m->hdisplay, m->vdisplay,
	762	+ drm_mode_vrefresh(m));
	763	+ return 0;
	764	+ }
	765	+
	766	+ mode->type \|= DRM_MODE_TYPE_DRIVER \| DRM_MODE_TYPE_PREFERRED;
	767	+
	768	+ drm_mode_set_name(mode);
	769	+
	770	+ drm_mode_probed_add(connector, mode);
	771	+
	772	+ if (mcu_panel->desc->bpc)
	773	+ connector->display_info.bpc = mcu_panel->desc->bpc;
	774	+ if (mcu_panel->desc->size.width)
	775	+ connector->display_info.width_mm = mcu_panel->desc->size.width;
	776	+ if (mcu_panel->desc->size.height)
	777	+ connector->display_info.height_mm = mcu_panel->desc->size.height;
	778	+ if (mcu_panel->desc->bus_format)
	779	+ drm_display_info_set_bus_formats(&connector->display_info,
	780	+ &mcu_panel->desc->bus_format, 1);
	781	+ if (mcu_panel->desc->bus_flags)
	782	+ connector->display_info.bus_flags = mcu_panel->desc->bus_flags;
	783	+
	784	+ return 1;
	785	+}
	786	+
	787	+static const struct drm_panel_funcs rockchip_mcu_panel_funcs = {
	788	+ .disable = rockchip_mcu_panel_disable,
	789	+ .unprepare = rockchip_mcu_panel_unprepare,
	790	+ .prepare = rockchip_mcu_panel_prepare,
	791	+ .enable = rockchip_mcu_panel_enable,
	792	+ .get_modes = rockchip_mcu_panel_get_modes,
	793	+};
	794	+
	795	+static struct backlight_device rockchip_mcu_panel_find_backlight(struct rockchip_rgb rgb)
	796	+{
	797	+ struct backlight_device *bd = NULL;
	798	+ struct device_node *np_mcu_panel = rgb->np_mcu_panel;
	799	+ struct device_node *np = NULL;
	800	+
	801	+ np = of_parse_phandle(np_mcu_panel, "backlight", 0);
	802	+ if (np) {
	803	+ bd = of_find_backlight_by_node(np);
	804	+ if (IS_ERR_OR_NULL(bd))
	805	+ return NULL;
	806	+
	807	+ of_node_put(np);
	808	+
	809	+ if (!bd->props.brightness)
	810	+ bd->props.brightness = bd->props.max_brightness;
	811	+ }
	812	+
	813	+ return bd;
	814	+}
284	815
285	816	static int rockchip_rgb_bind(struct device dev, struct device master,
286	817	void *data)
..	..	@@ -291,15 +822,44 @@
291	822	struct drm_connector *connector;
292	823	int ret;
293	824
294		- ret = drm_of_find_panel_or_bridge(dev->of_node, 1, -1,
295		- &rgb->panel, &rgb->bridge);
296		- if (ret) {
297		- DRM_DEV_ERROR(dev, "failed to find panel or bridge: %d\n", ret);
298		- return ret;
	825	+ if (rgb->np_mcu_panel) {
	826	+ struct rockchip_mcu_panel *mcu_panel;
	827	+
	828	+ mcu_panel = devm_kzalloc(dev, sizeof(*mcu_panel), GFP_KERNEL);
	829	+ if (!mcu_panel) {
	830	+ return -ENOMEM;
	831	+ }
	832	+ mcu_panel->drm_dev = drm_dev;
	833	+
	834	+ rgb->panel = &mcu_panel->base;
	835	+
	836	+ ret = rockchip_mcu_panel_init(rgb);
	837	+ if (ret < 0) {
	838	+ DRM_DEV_ERROR(dev, "failed to init mcu panel: %d\n", ret);
	839	+ return ret;
	840	+ }
	841	+
	842	+ rgb->panel->backlight = rockchip_mcu_panel_find_backlight(rgb);
	843	+ if (!rgb->panel->backlight) {
	844	+ DRM_DEV_ERROR(dev, "failed to find backlight device");
	845	+ return -EINVAL;
	846	+ }
	847	+
	848	+ drm_panel_init(&mcu_panel->base, dev, &rockchip_mcu_panel_funcs,
	849	+ DRM_MODE_CONNECTOR_DPI);
	850	+
	851	+ drm_panel_add(&mcu_panel->base);
	852	+ } else {
	853	+ ret = drm_of_find_panel_or_bridge(dev->of_node, 1, -1,
	854	+ &rgb->panel, &rgb->bridge);
	855	+ if (ret) {
	856	+ DRM_DEV_ERROR(dev, "failed to find panel or bridge: %d\n", ret);
	857	+ return ret;
	858	+ }
299	859	}
300	860
301		- encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev,
302		- dev->of_node);
	861	+ encoder->possible_crtcs = rockchip_drm_of_find_possible_crtcs(drm_dev,
	862	+ dev->of_node);
303	863
304	864	ret = drm_encoder_init(drm_dev, encoder, &rockchip_rgb_encoder_funcs,
305	865	DRM_MODE_ENCODER_DPI, NULL);
..	..	@@ -334,25 +894,19 @@
334	894	"failed to attach encoder: %d\n", ret);
335	895	goto err_free_connector;
336	896	}
337		-
338		- ret = drm_panel_attach(rgb->panel, connector);
339		- if (ret < 0) {
340		- DRM_DEV_ERROR(dev, "failed to attach panel: %d\n", ret);
341		- goto err_free_connector;
342		- }
343	897	rgb->sub_dev.connector = &rgb->connector;
344	898	rgb->sub_dev.of_node = rgb->dev->of_node;
	899	+ rgb->sub_dev.loader_protect = rockchip_rgb_encoder_loader_protect;
345	900	drm_object_attach_property(&connector->base, private->connector_id_prop, 0);
346	901	rockchip_drm_register_sub_dev(&rgb->sub_dev);
347	902	} else {
348	903	rgb->bridge->encoder = encoder;
349		- ret = drm_bridge_attach(encoder, rgb->bridge, NULL);
	904	+ ret = drm_bridge_attach(encoder, rgb->bridge, NULL, 0);
350	905	if (ret) {
351	906	DRM_DEV_ERROR(dev,
352	907	"failed to attach bridge: %d\n", ret);
353	908	goto err_free_encoder;
354	909	}
355		- encoder->bridge = rgb->bridge;
356	910	}
357	911
358	912	return 0;
..	..	@@ -371,10 +925,8 @@
371	925
372	926	if (rgb->sub_dev.connector)
373	927	rockchip_drm_unregister_sub_dev(&rgb->sub_dev);
374		- if (rgb->panel) {
375		- drm_panel_detach(rgb->panel);
	928	+ if (rgb->panel)
376	929	drm_connector_cleanup(&rgb->connector);
377		- }
378	930
379	931	drm_encoder_cleanup(&rgb->encoder);
380	932	}
..	..	@@ -388,6 +940,8 @@
388	940	{
389	941	struct device *dev = &pdev->dev;
390	942	struct rockchip_rgb *rgb;
	943	+ const struct rockchip_rgb_data *rgb_data;
	944	+ struct fwnode_handle *fwnode_mcu_panel;
391	945	int ret, id;
392	946
393	947	rgb = devm_kzalloc(&pdev->dev, sizeof(*rgb), GFP_KERNEL);
..	..	@@ -398,13 +952,23 @@
398	952	if (id < 0)
399	953	id = 0;
400	954
	955	+ rgb->data_sync_bypass = of_property_read_bool(dev->of_node, "rockchip,data-sync-bypass");
	956	+
	957	+ fwnode_mcu_panel = device_get_named_child_node(dev, "mcu-panel");
	958	+ if (fwnode_mcu_panel)
	959	+ rgb->np_mcu_panel = to_of_node(fwnode_mcu_panel);
	960	+
	961	+ rgb_data = of_device_get_match_data(dev);
	962	+ if (rgb_data) {
	963	+ rgb->funcs = rgb_data->funcs;
	964	+ if (rgb->np_mcu_panel)
	965	+ rgb->max_dclk_rate = rgb_data->mcu_max_dclk_rate;
	966	+ else
	967	+ rgb->max_dclk_rate = rgb_data->rgb_max_dclk_rate;
	968	+ }
401	969	rgb->id = id;
402	970	rgb->dev = dev;
403		- rgb->funcs = of_device_get_match_data(dev);
404	971	platform_set_drvdata(pdev, rgb);
405		-
406		- rgb->data_sync_bypass =
407		- of_property_read_bool(dev->of_node, "rockchip,data-sync-bypass");
408	972
409	973	if (dev->parent && dev->parent->of_node) {
410	974	rgb->grf = syscon_node_to_regmap(dev->parent->of_node);
..	..	@@ -445,6 +1009,10 @@
445	1009	.enable = px30_rgb_enable,
446	1010	};
447	1011
	1012	+static const struct rockchip_rgb_data px30_rgb = {
	1013	+ .funcs = &px30_rgb_funcs,
	1014	+};
	1015	+
448	1016	static void rk1808_rgb_enable(struct rockchip_rgb *rgb)
449	1017	{
450	1018	regmap_write(rgb->grf, RK1808_GRF_PD_VO_CON1,
..	..	@@ -453,6 +1021,10 @@
453	1021
454	1022	static const struct rockchip_rgb_funcs rk1808_rgb_funcs = {
455	1023	.enable = rk1808_rgb_enable,
	1024	+};
	1025	+
	1026	+static const struct rockchip_rgb_data rk1808_rgb = {
	1027	+ .funcs = &rk1808_rgb_funcs,
456	1028	};
457	1029
458	1030	static void rk3288_rgb_enable(struct rockchip_rgb *rgb)
..	..	@@ -479,6 +1051,24 @@
479	1051	.disable = rk3288_rgb_disable,
480	1052	};
481	1053
	1054	+static const struct rockchip_rgb_data rk3288_rgb = {
	1055	+ .funcs = &rk3288_rgb_funcs,
	1056	+};
	1057	+
	1058	+static void rk3562_rgb_enable(struct rockchip_rgb *rgb)
	1059	+{
	1060	+ regmap_write(rgb->grf, RK3562_GRF_IOC_VO_IO_CON,
	1061	+ RK3562_RGB_DATA_BYPASS(rgb->data_sync_bypass));
	1062	+}
	1063	+
	1064	+static const struct rockchip_rgb_funcs rk3562_rgb_funcs = {
	1065	+ .enable = rk3562_rgb_enable,
	1066	+};
	1067	+
	1068	+static const struct rockchip_rgb_data rk3562_rgb = {
	1069	+ .funcs = &rk3562_rgb_funcs,
	1070	+};
	1071	+
482	1072	static void rk3568_rgb_enable(struct rockchip_rgb *rgb)
483	1073	{
484	1074	regmap_write(rgb->grf, RK3568_GRF_VO_CON1,
..	..	@@ -487,6 +1077,10 @@
487	1077
488	1078	static const struct rockchip_rgb_funcs rk3568_rgb_funcs = {
489	1079	.enable = rk3568_rgb_enable,
	1080	+};
	1081	+
	1082	+static const struct rockchip_rgb_data rk3568_rgb = {
	1083	+ .funcs = &rk3568_rgb_funcs,
490	1084	};
491	1085
492	1086	static void rv1126_rgb_enable(struct rockchip_rgb *rgb)
..	..	@@ -499,17 +1093,42 @@
499	1093	.enable = rv1126_rgb_enable,
500	1094	};
501	1095
	1096	+static const struct rockchip_rgb_data rv1126_rgb = {
	1097	+ .funcs = &rv1126_rgb_funcs,
	1098	+};
	1099	+
	1100	+static void rv1106_rgb_enable(struct rockchip_rgb *rgb)
	1101	+{
	1102	+ regmap_write(rgb->grf, RV1106_VENC_GRF_VOP_IO_WRAPPER,
	1103	+ RV1106_IO_BYPASS_SEL(rgb->data_sync_bypass ? 0x3 : 0x0));
	1104	+ regmap_write(rgb->grf, RV1106_VOGRF_VOP_PIPE_BYPASS,
	1105	+ RV1106_VOP_PIPE_BYPASS(rgb->data_sync_bypass ? 0x3 : 0x0));
	1106	+}
	1107	+
	1108	+static const struct rockchip_rgb_funcs rv1106_rgb_funcs = {
	1109	+ .enable = rv1106_rgb_enable,
	1110	+};
	1111	+
	1112	+static const struct rockchip_rgb_data rv1106_rgb = {
	1113	+ .rgb_max_dclk_rate = 74250,
	1114	+ .mcu_max_dclk_rate = 150000,
	1115	+ .funcs = &rv1106_rgb_funcs,
	1116	+};
	1117	+
502	1118	static const struct of_device_id rockchip_rgb_dt_ids[] = {
503		- { .compatible = "rockchip,px30-rgb", .data = &px30_rgb_funcs },
504		- { .compatible = "rockchip,rk1808-rgb", .data = &rk1808_rgb_funcs },
	1119	+ { .compatible = "rockchip,px30-rgb", .data = &px30_rgb },
	1120	+ { .compatible = "rockchip,rk1808-rgb", .data = &rk1808_rgb },
505	1121	{ .compatible = "rockchip,rk3066-rgb", },
506	1122	{ .compatible = "rockchip,rk3128-rgb", },
507		- { .compatible = "rockchip,rk3288-rgb", .data = &rk3288_rgb_funcs },
	1123	+ { .compatible = "rockchip,rk3288-rgb", .data = &rk3288_rgb },
508	1124	{ .compatible = "rockchip,rk3308-rgb", },
509	1125	{ .compatible = "rockchip,rk3368-rgb", },
510		- { .compatible = "rockchip,rk3568-rgb", .data = &rk3568_rgb_funcs },
	1126	+ { .compatible = "rockchip,rk3562-rgb", .data = &rk3562_rgb },
	1127	+ { .compatible = "rockchip,rk3568-rgb", .data = &rk3568_rgb },
	1128	+ { .compatible = "rockchip,rk3588-rgb", },
	1129	+ { .compatible = "rockchip,rv1106-rgb", .data = &rv1106_rgb},
511	1130	{ .compatible = "rockchip,rv1108-rgb", },
512		- { .compatible = "rockchip,rv1126-rgb", .data = &rv1126_rgb_funcs},
	1131	+ { .compatible = "rockchip,rv1126-rgb", .data = &rv1126_rgb},
513	1132	{}
514	1133	};
515	1134	MODULE_DEVICE_TABLE(of, rockchip_rgb_dt_ids);