xref: /rk3399_rockchip-uboot/drivers/video/drm/rockchip_rgb.c (revision e63a27f7a96beae2cdcc4ca813c8b95c07c7d2e6)
1 /*
2  * (C) Copyright 2008-2017 Fuzhou Rockchip Electronics Co., Ltd
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <dm/of_access.h>
9 #include <errno.h>
10 #include <syscon.h>
11 #include <regmap.h>
12 #include <dm/device.h>
13 #include <dm/read.h>
14 #include <dm/pinctrl.h>
15 #include <linux/media-bus-format.h>
16 #include <asm/gpio.h>
17 #include <backlight.h>
18 
19 #include "rockchip_display.h"
20 #include "rockchip_crtc.h"
21 #include "rockchip_connector.h"
22 #include "rockchip_phy.h"
23 #include "rockchip_panel.h"
24 
25 #define HIWORD_UPDATE(v, h, l)		(((v) << (l)) | (GENMASK(h, l) << 16))
26 
27 #define PX30_GRF_PD_VO_CON1		0x0438
28 #define PX30_RGB_DATA_SYNC_BYPASS(v)	HIWORD_UPDATE(v, 3, 3)
29 #define PX30_RGB_VOP_SEL(v)		HIWORD_UPDATE(v, 2, 2)
30 
31 #define RK1808_GRF_PD_VO_CON1		0x0444
32 #define RK1808_RGB_DATA_SYNC_BYPASS(v)	HIWORD_UPDATE(v, 3, 3)
33 
34 #define RV1106_VENC_GRF_VOP_IO_WRAPPER	0x1000c
35 #define RV1106_IO_BYPASS_SEL(v)		HIWORD_UPDATE(v, 0, 1)
36 #define RV1106_VOGRF_VOP_PIPE_BYPASS	0x60034
37 #define RV1106_VOP_PIPE_BYPASS(v)	HIWORD_UPDATE(v, 0, 1)
38 
39 #define RV1126_GRF_IOFUNC_CON3          0x1026c
40 #define RV1126_LCDC_IO_BYPASS(v)        HIWORD_UPDATE(v, 0, 0)
41 
42 #define RK3288_GRF_SOC_CON6		0x025c
43 #define RK3288_LVDS_LCDC_SEL(v)		HIWORD_UPDATE(v,  3,  3)
44 #define RK3288_GRF_SOC_CON7		0x0260
45 #define RK3288_LVDS_PWRDWN(v)		HIWORD_UPDATE(v, 15, 15)
46 #define RK3288_LVDS_CON_ENABLE_2(v)	HIWORD_UPDATE(v, 12, 12)
47 #define RK3288_LVDS_CON_ENABLE_1(v)	HIWORD_UPDATE(v, 11, 11)
48 #define RK3288_LVDS_CON_CLKINV(v)	HIWORD_UPDATE(v,  8,  8)
49 #define RK3288_LVDS_CON_TTL_EN(v)	HIWORD_UPDATE(v,  6,  6)
50 
51 #define RK3368_GRF_SOC_CON15		0x043c
52 #define RK3368_FORCE_JETAG(v)		HIWORD_UPDATE(v,  13,  13)
53 
54 #define RK3562_GRF_IOC_VO_IO_CON	0x10500
55 #define RK3562_RGB_DATA_BYPASS(v)	HIWORD_UPDATE(v, 6, 6)
56 
57 #define RK3568_GRF_VO_CON1		0X0364
58 #define RK3568_RGB_DATA_BYPASS(v)	HIWORD_UPDATE(v, 6, 6)
59 
60 #define RK3576_VCCIO_IOC_MISC_CON8	0x6420
61 #define RK3576_VOP_MCU_SEL(v)		HIWORD_UPDATE(v, 10, 10)
62 
63 struct rockchip_rgb;
64 
65 struct rockchip_rgb_funcs {
66 	void (*prepare)(struct rockchip_rgb *rgb, int pipe);
67 	void (*unprepare)(struct rockchip_rgb *rgb);
68 };
69 
70 struct rockchip_rgb {
71 	struct rockchip_connector connector;
72 	int id;
73 	struct udevice *dev;
74 	struct regmap *grf;
75 	bool data_sync_bypass;
76 	struct rockchip_phy *phy;
77 	const struct rockchip_rgb_funcs *funcs;
78 };
79 
80 struct mcu_cmd_header {
81 	u8 data_type;
82 	u8 delay;
83 	u8 payload_length;
84 } __packed;
85 
86 struct mcu_cmd_desc {
87 	struct mcu_cmd_header header;
88 	const u8 *payload;
89 };
90 
91 struct mcu_cmd_seq {
92 	struct mcu_cmd_desc *cmds;
93 	unsigned int cmd_cnt;
94 };
95 
96 struct rockchip_mcu_panel_desc {
97 	struct mcu_cmd_seq *init_seq;
98 	struct mcu_cmd_seq *exit_seq;
99 
100 	struct {
101 		unsigned int width;
102 		unsigned int height;
103 	} size;
104 
105 	struct {
106 		unsigned int prepare;
107 		unsigned int enable;
108 		unsigned int disable;
109 		unsigned int unprepare;
110 		unsigned int reset;
111 		unsigned int init;
112 	} delay;
113 
114 	unsigned int bpc;
115 	u32 bus_format;
116 	u32 bus_flags;
117 	bool power_invert;
118 };
119 
120 struct rockchip_mcu_panel {
121 	struct rockchip_panel base;
122 	struct rockchip_mcu_panel_desc *desc;
123 	struct udevice *power_supply;
124 	struct udevice *backlight;
125 
126 	struct gpio_desc enable_gpio;
127 	struct gpio_desc reset_gpio;
128 
129 	bool prepared;
130 	bool enabled;
131 };
132 
133 static inline struct rockchip_mcu_panel *to_rockchip_mcu_panel(struct rockchip_panel *panel)
134 {
135 	return container_of(panel, struct rockchip_mcu_panel, base);
136 }
137 
138 static int rockchip_rgb_connector_prepare(struct rockchip_connector *conn,
139 					  struct display_state *state)
140 {
141 	struct rockchip_rgb *rgb = dev_get_priv(conn->dev);
142 	struct crtc_state *crtc_state = &state->crtc_state;
143 	int pipe = crtc_state->crtc_id;
144 	int ret;
145 
146 	pinctrl_select_state(rgb->dev, "default");
147 
148 	if (rgb->funcs && rgb->funcs->prepare)
149 		rgb->funcs->prepare(rgb, pipe);
150 
151 	if (rgb->phy) {
152 		ret = rockchip_phy_set_mode(rgb->phy, PHY_MODE_VIDEO_TTL);
153 		if (ret) {
154 			dev_err(rgb->dev, "failed to set phy mode: %d\n", ret);
155 			return ret;
156 		}
157 
158 		rockchip_phy_power_on(rgb->phy);
159 	}
160 
161 	return 0;
162 }
163 
164 static void rockchip_rgb_connector_unprepare(struct rockchip_connector *conn,
165 					     struct display_state *state)
166 {
167 	struct rockchip_rgb *rgb = dev_get_priv(conn->dev);
168 
169 	if (rgb->phy)
170 		rockchip_phy_power_off(rgb->phy);
171 
172 	if (rgb->funcs && rgb->funcs->unprepare)
173 		rgb->funcs->unprepare(rgb);
174 
175 	pinctrl_select_state(rgb->dev, "sleep");
176 }
177 
178 static int rockchip_rgb_connector_init(struct rockchip_connector *conn, struct display_state *state)
179 {
180 	struct rockchip_rgb *rgb = dev_get_priv(conn->dev);
181 	struct connector_state *conn_state = &state->conn_state;
182 
183 	rgb->phy = conn->phy;
184 
185 	conn_state->color_range = DRM_COLOR_YCBCR_FULL_RANGE;
186 	conn_state->color_encoding = DRM_COLOR_YCBCR_BT709;
187 	conn_state->disp_info  = rockchip_get_disp_info(conn_state->type, rgb->id);
188 
189 	switch (conn_state->bus_format) {
190 	case MEDIA_BUS_FMT_RGB666_1X18:
191 		conn_state->output_mode = ROCKCHIP_OUT_MODE_P666;
192 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
193 		break;
194 	case MEDIA_BUS_FMT_RGB565_1X16:
195 		conn_state->output_mode = ROCKCHIP_OUT_MODE_P565;
196 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
197 		break;
198 	case MEDIA_BUS_FMT_RGB565_2X8_LE:
199 	case MEDIA_BUS_FMT_BGR565_2X8_LE:
200 		conn_state->output_mode = ROCKCHIP_OUT_MODE_S565;
201 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
202 		break;
203 	case MEDIA_BUS_FMT_RGB666_3X6:
204 		conn_state->output_mode = ROCKCHIP_OUT_MODE_S666;
205 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
206 		break;
207 	case MEDIA_BUS_FMT_RGB888_3X8:
208 	case MEDIA_BUS_FMT_BGR888_3X8:
209 		conn_state->output_mode = ROCKCHIP_OUT_MODE_S888;
210 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
211 		break;
212 	case MEDIA_BUS_FMT_RGB888_DUMMY_4X8:
213 	case MEDIA_BUS_FMT_BGR888_DUMMY_4X8:
214 		conn_state->output_mode = ROCKCHIP_OUT_MODE_S888_DUMMY;
215 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
216 		break;
217 	case MEDIA_BUS_FMT_YUYV8_2X8:
218 	case MEDIA_BUS_FMT_YVYU8_2X8:
219 	case MEDIA_BUS_FMT_UYVY8_2X8:
220 	case MEDIA_BUS_FMT_VYUY8_2X8:
221 		conn_state->output_mode = ROCKCHIP_OUT_MODE_BT656;
222 		conn_state->output_if = VOP_OUTPUT_IF_BT656;
223 		conn_state->color_range = DRM_COLOR_YCBCR_LIMITED_RANGE;
224 		conn_state->color_encoding = DRM_COLOR_YCBCR_BT601;
225 		break;
226 	case MEDIA_BUS_FMT_YUYV8_1X16:
227 	case MEDIA_BUS_FMT_YVYU8_1X16:
228 	case MEDIA_BUS_FMT_UYVY8_1X16:
229 	case MEDIA_BUS_FMT_VYUY8_1X16:
230 		conn_state->output_mode = ROCKCHIP_OUT_MODE_BT1120;
231 		conn_state->output_if = VOP_OUTPUT_IF_BT1120;
232 		conn_state->color_range = DRM_COLOR_YCBCR_LIMITED_RANGE;
233 		break;
234 	case MEDIA_BUS_FMT_RGB888_1X24:
235 	case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
236 	default:
237 		conn_state->output_mode = ROCKCHIP_OUT_MODE_P888;
238 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
239 		break;
240 	}
241 
242 	return 0;
243 }
244 
245 static const struct rockchip_connector_funcs rockchip_rgb_connector_funcs = {
246 	.init = rockchip_rgb_connector_init,
247 	.prepare = rockchip_rgb_connector_prepare,
248 	.unprepare = rockchip_rgb_connector_unprepare,
249 };
250 
251 static int rockchip_mcu_panel_send_cmds(struct display_state *state,
252 					struct mcu_cmd_seq *cmds)
253 {
254 	int i;
255 
256 	if (!cmds)
257 		return -EINVAL;
258 
259 	display_send_mcu_cmd(state, MCU_SETBYPASS, 1);
260 	for (i = 0; i < cmds->cmd_cnt; i++) {
261 		struct mcu_cmd_desc *desc = &cmds->cmds[i];
262 		int value = 0;
263 
264 		value = desc->payload[0];
265 		display_send_mcu_cmd(state, desc->header.data_type, value);
266 
267 		if (desc->header.delay)
268 			mdelay(desc->header.delay);
269 	}
270 	display_send_mcu_cmd(state, MCU_SETBYPASS, 0);
271 
272 	return 0;
273 }
274 
275 static void rockchip_mcu_panel_prepare(struct rockchip_panel *panel)
276 {
277 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
278 	int ret;
279 
280 	if (mcu_panel->prepared)
281 		return;
282 
283 	if (dm_gpio_is_valid(&mcu_panel->enable_gpio))
284 		dm_gpio_set_value(&mcu_panel->enable_gpio, 1);
285 
286 	if (mcu_panel->desc->delay.prepare)
287 		mdelay(mcu_panel->desc->delay.prepare);
288 
289 	if (dm_gpio_is_valid(&mcu_panel->reset_gpio))
290 		dm_gpio_set_value(&mcu_panel->reset_gpio, 1);
291 
292 	if (mcu_panel->desc->delay.reset)
293 		mdelay(mcu_panel->desc->delay.reset);
294 
295 	if (dm_gpio_is_valid(&mcu_panel->reset_gpio))
296 		dm_gpio_set_value(&mcu_panel->reset_gpio, 0);
297 
298 	if (mcu_panel->desc->delay.init)
299 		mdelay(mcu_panel->desc->delay.init);
300 
301 	if (mcu_panel->desc->init_seq) {
302 		ret = rockchip_mcu_panel_send_cmds(panel->state, mcu_panel->desc->init_seq);
303 		if (ret)
304 			printf("failed to send mcu panel init cmds: %d\n", ret);
305 	}
306 
307 	mcu_panel->prepared = true;
308 }
309 
310 static void rockchip_mcu_panel_unprepare(struct rockchip_panel *panel)
311 {
312 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
313 	int ret;
314 
315 	if (!mcu_panel->prepared)
316 		return;
317 
318 	if (mcu_panel->desc->exit_seq) {
319 		ret = rockchip_mcu_panel_send_cmds(panel->state, mcu_panel->desc->exit_seq);
320 		if (ret)
321 			printf("failed to send mcu panel exit cmds: %d\n", ret);
322 	}
323 
324 	if (dm_gpio_is_valid(&mcu_panel->reset_gpio))
325 		dm_gpio_set_value(&mcu_panel->reset_gpio, 1);
326 
327 	if (dm_gpio_is_valid(&mcu_panel->enable_gpio))
328 		dm_gpio_set_value(&mcu_panel->enable_gpio, 0);
329 
330 	if (mcu_panel->desc->delay.unprepare)
331 		mdelay(mcu_panel->desc->delay.unprepare);
332 
333 	mcu_panel->prepared = false;
334 }
335 
336 static void rockchip_mcu_panel_enable(struct rockchip_panel *panel)
337 {
338 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
339 
340 	if (mcu_panel->enabled)
341 		return;
342 
343 	if (mcu_panel->desc->delay.enable)
344 		mdelay(mcu_panel->desc->delay.enable);
345 
346 	if (mcu_panel->backlight)
347 		backlight_enable(mcu_panel->backlight);
348 
349 	mcu_panel->enabled = true;
350 }
351 
352 static void rockchip_mcu_panel_disable(struct rockchip_panel *panel)
353 {
354 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
355 
356 	if (!mcu_panel->enabled)
357 		return;
358 
359 	if (mcu_panel->backlight)
360 		backlight_disable(mcu_panel->backlight);
361 
362 	if (mcu_panel->desc->delay.disable)
363 		mdelay(mcu_panel->desc->delay.disable);
364 
365 	mcu_panel->enabled = false;
366 }
367 
368 static const struct rockchip_panel_funcs rockchip_mcu_panel_funcs = {
369 	.prepare = rockchip_mcu_panel_prepare,
370 	.unprepare = rockchip_mcu_panel_unprepare,
371 	.enable = rockchip_mcu_panel_enable,
372 	.disable = rockchip_mcu_panel_disable,
373 };
374 
375 static int rockchip_mcu_panel_parse_cmds(const u8 *data, int length,
376 					 struct mcu_cmd_seq *pcmds)
377 {
378 	int len;
379 	const u8 *buf;
380 	const struct mcu_cmd_header *header;
381 	int i, cnt = 0;
382 
383 	/* scan commands */
384 	cnt = 0;
385 	buf = data;
386 	len = length;
387 	while (len > sizeof(*header)) {
388 		header = (const struct mcu_cmd_header *)buf;
389 		buf += sizeof(*header) + header->payload_length;
390 		len -= sizeof(*header) + header->payload_length;
391 		cnt++;
392 	}
393 
394 	pcmds->cmds = calloc(cnt, sizeof(struct mcu_cmd_desc));
395 	if (!pcmds->cmds)
396 		return -ENOMEM;
397 
398 	pcmds->cmd_cnt = cnt;
399 
400 	buf = data;
401 	len = length;
402 	for (i = 0; i < cnt; i++) {
403 		struct mcu_cmd_desc *desc = &pcmds->cmds[i];
404 
405 		header = (const struct mcu_cmd_header *)buf;
406 		length -= sizeof(*header);
407 		buf += sizeof(*header);
408 		desc->header.data_type = header->data_type;
409 		desc->header.delay = header->delay;
410 		desc->header.payload_length = header->payload_length;
411 		desc->payload = buf;
412 		buf += header->payload_length;
413 		length -= header->payload_length;
414 	}
415 
416 	return 0;
417 }
418 
419 static int rockchip_mcu_panel_init(struct rockchip_mcu_panel *mcu_panel, ofnode mcu_panel_node)
420 {
421 	const void *data;
422 	int len;
423 	int ret;
424 
425 	ret = gpio_request_by_name_nodev(mcu_panel_node, "enable-gpios", 0,
426 					 &mcu_panel->enable_gpio, GPIOD_IS_OUT);
427 	if (ret && ret != -ENOENT) {
428 		printf("%s: Cannot get mcu panel enable GPIO: %d\n", __func__, ret);
429 		return ret;
430 	}
431 
432 	ret = gpio_request_by_name_nodev(mcu_panel_node, "reset-gpios", 0,
433 					 &mcu_panel->reset_gpio, GPIOD_IS_OUT);
434 	if (ret && ret != -ENOENT) {
435 		printf("%s: Cannot get mcu panel reset GPIO: %d\n", __func__, ret);
436 		return ret;
437 	}
438 
439 	mcu_panel->desc = malloc(sizeof(struct rockchip_mcu_panel_desc));
440 	if (!mcu_panel->desc)
441 		return -ENOMEM;
442 
443 	mcu_panel->desc->power_invert = ofnode_read_bool(mcu_panel_node, "power-invert");
444 
445 	mcu_panel->desc->delay.prepare = ofnode_read_u32_default(mcu_panel_node, "prepare-delay-ms", 0);
446 	mcu_panel->desc->delay.unprepare = ofnode_read_u32_default(mcu_panel_node, "unprepare-delay-ms", 0);
447 	mcu_panel->desc->delay.enable = ofnode_read_u32_default(mcu_panel_node, "enable-delay-ms", 0);
448 	mcu_panel->desc->delay.disable = ofnode_read_u32_default(mcu_panel_node, "disable-delay-ms", 0);
449 	mcu_panel->desc->delay.init = ofnode_read_u32_default(mcu_panel_node, "init-delay-ms", 0);
450 	mcu_panel->desc->delay.reset = ofnode_read_u32_default(mcu_panel_node, "reset-delay-ms", 0);
451 
452 	mcu_panel->desc->bus_format = ofnode_read_u32_default(mcu_panel_node, "bus-format",
453 							      MEDIA_BUS_FMT_RBG888_1X24);
454 	mcu_panel->desc->bpc = ofnode_read_u32_default(mcu_panel_node, "bpc", 8);
455 
456 	data = ofnode_get_property(mcu_panel_node, "panel-init-sequence", &len);
457 	if (data) {
458 		mcu_panel->desc->init_seq = calloc(1, sizeof(*mcu_panel->desc->init_seq));
459 		if (!mcu_panel->desc->init_seq)
460 			return -ENOMEM;
461 
462 		ret = rockchip_mcu_panel_parse_cmds(data, len, mcu_panel->desc->init_seq);
463 		if (ret) {
464 			printf("failed to parse panel init sequence\n");
465 			goto free_on_cmds;
466 		}
467 	}
468 
469 	data = ofnode_get_property(mcu_panel_node, "panel-exit-sequence", &len);
470 	if (data) {
471 		mcu_panel->desc->exit_seq = calloc(1, sizeof(*mcu_panel->desc->exit_seq));
472 		if (!mcu_panel->desc->exit_seq) {
473 			ret = -ENOMEM;
474 			goto free_on_cmds;
475 		}
476 
477 		ret = rockchip_mcu_panel_parse_cmds(data, len, mcu_panel->desc->exit_seq);
478 		if (ret) {
479 			printf("failed to parse panel exit sequence\n");
480 			goto free_cmds;
481 		}
482 	}
483 
484 	return 0;
485 
486 free_cmds:
487 	free(mcu_panel->desc->exit_seq);
488 free_on_cmds:
489 	free(mcu_panel->desc->init_seq);
490 	return ret;
491 }
492 
493 static int rockchip_rgb_probe(struct udevice *dev)
494 {
495 	struct rockchip_rgb *rgb = dev_get_priv(dev);
496 	ofnode mcu_panel_node;
497 	int phandle;
498 	int ret;
499 
500 	rgb->dev = dev;
501 	rgb->funcs = (const struct rockchip_rgb_funcs *)dev_get_driver_data(dev);
502 	rgb->grf = syscon_get_regmap(dev_get_parent(dev));
503 	rgb->data_sync_bypass = dev_read_bool(dev, "rockchip,data-sync-bypass");
504 	rgb->id = of_alias_get_id(ofnode_to_np(dev->node), "rgb");
505 	if (rgb->id < 0)
506 		rgb->id = 0;
507 
508 	mcu_panel_node = dev_read_subnode(dev, "mcu-panel");
509 	if (ofnode_valid(mcu_panel_node) && ofnode_is_available(mcu_panel_node)) {
510 		struct rockchip_mcu_panel *mcu_panel;
511 
512 		mcu_panel = malloc(sizeof(struct rockchip_mcu_panel));
513 		if (!mcu_panel) {
514 			printf("failed to alloc mcu_panel data\n");
515 			return -ENOMEM;
516 		}
517 
518 		ret = rockchip_mcu_panel_init(mcu_panel, mcu_panel_node);
519 		if (ret < 0) {
520 			printf("failed to init mcu_panel: %d\n", ret);
521 			return ret;
522 		}
523 
524 		phandle = ofnode_read_u32_default(mcu_panel_node, "backlight", -1);
525 		if (phandle < 0) {
526 			printf("failed to find backlight phandle\n");
527 			return -EINVAL;
528 		}
529 
530 		ret = uclass_get_device_by_phandle_id(UCLASS_PANEL_BACKLIGHT, phandle,
531 						      &mcu_panel->backlight);
532 		if (ret && ret != -ENOENT) {
533 			printf("%s: failed to get backlight device: %d\n", __func__, ret);
534 			return ret;
535 		}
536 
537 		mcu_panel->base.dev = dev;
538 		mcu_panel->base.bus_format = mcu_panel->desc->bus_format;
539 		mcu_panel->base.bpc = mcu_panel->desc->bpc;
540 		mcu_panel->base.funcs = &rockchip_mcu_panel_funcs;
541 		mcu_panel->enabled = false;
542 		mcu_panel->prepared = false;
543 
544 		rgb->connector.panel = &mcu_panel->base;
545 	}
546 
547 	rockchip_connector_bind(&rgb->connector, dev, rgb->id, &rockchip_rgb_connector_funcs,
548 				NULL, DRM_MODE_CONNECTOR_LVDS);
549 
550 	return 0;
551 }
552 
553 static void rv1106_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
554 {
555 	regmap_write(rgb->grf, RV1106_VENC_GRF_VOP_IO_WRAPPER,
556 		     RV1106_IO_BYPASS_SEL(rgb->data_sync_bypass ? 0x3 : 0x0));
557 	regmap_write(rgb->grf, RV1106_VOGRF_VOP_PIPE_BYPASS,
558 		     RV1106_VOP_PIPE_BYPASS(rgb->data_sync_bypass ? 0x3 : 0x0));
559 }
560 
561 static const struct rockchip_rgb_funcs rv1106_rgb_funcs = {
562 	.prepare = rv1106_rgb_prepare,
563 };
564 
565 static void rv1126_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
566 {
567 	regmap_write(rgb->grf, RV1126_GRF_IOFUNC_CON3,
568 		     RV1126_LCDC_IO_BYPASS(rgb->data_sync_bypass));
569 }
570 
571 static const struct rockchip_rgb_funcs rv1126_rgb_funcs = {
572 	.prepare = rv1126_rgb_prepare,
573 };
574 
575 static void px30_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
576 {
577 	regmap_write(rgb->grf, PX30_GRF_PD_VO_CON1, PX30_RGB_VOP_SEL(pipe) |
578 		     PX30_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass));
579 }
580 
581 static const struct rockchip_rgb_funcs px30_rgb_funcs = {
582 	.prepare = px30_rgb_prepare,
583 };
584 
585 static void rk1808_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
586 {
587 	regmap_write(rgb->grf, RK1808_GRF_PD_VO_CON1,
588 		     RK1808_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass));
589 }
590 
591 static const struct rockchip_rgb_funcs rk1808_rgb_funcs = {
592 	.prepare = rk1808_rgb_prepare,
593 };
594 
595 static void rk3288_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
596 {
597 	regmap_write(rgb->grf, RK3288_GRF_SOC_CON6, RK3288_LVDS_LCDC_SEL(pipe));
598 	regmap_write(rgb->grf, RK3288_GRF_SOC_CON7,
599 		     RK3288_LVDS_PWRDWN(0) | RK3288_LVDS_CON_ENABLE_2(1) |
600 		     RK3288_LVDS_CON_ENABLE_1(1) | RK3288_LVDS_CON_CLKINV(0) |
601 		     RK3288_LVDS_CON_TTL_EN(1));
602 }
603 
604 static void rk3288_rgb_unprepare(struct rockchip_rgb *rgb)
605 {
606 	regmap_write(rgb->grf, RK3288_GRF_SOC_CON7,
607 		     RK3288_LVDS_PWRDWN(1) | RK3288_LVDS_CON_ENABLE_2(0) |
608 		     RK3288_LVDS_CON_ENABLE_1(0) | RK3288_LVDS_CON_TTL_EN(0));
609 }
610 
611 static const struct rockchip_rgb_funcs rk3288_rgb_funcs = {
612 	.prepare = rk3288_rgb_prepare,
613 	.unprepare = rk3288_rgb_unprepare,
614 };
615 
616 static void rk3368_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
617 {
618 	regmap_write(rgb->grf, RK3368_GRF_SOC_CON15, RK3368_FORCE_JETAG(0));
619 }
620 
621 static const struct rockchip_rgb_funcs rk3368_rgb_funcs = {
622 	.prepare = rk3368_rgb_prepare,
623 };
624 
625 static void rk3562_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
626 {
627 	regmap_write(rgb->grf, RK3562_GRF_IOC_VO_IO_CON,
628 		     RK3562_RGB_DATA_BYPASS(rgb->data_sync_bypass));
629 }
630 
631 static const struct rockchip_rgb_funcs rk3562_rgb_funcs = {
632 	.prepare = rk3562_rgb_prepare,
633 };
634 
635 static void rk3568_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
636 {
637 	regmap_write(rgb->grf, RK3568_GRF_VO_CON1, RK3568_RGB_DATA_BYPASS(rgb->data_sync_bypass));
638 }
639 
640 static const struct rockchip_rgb_funcs rk3568_rgb_funcs = {
641 	.prepare = rk3568_rgb_prepare,
642 };
643 
644 static void rk3576_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
645 {
646 	regmap_write(rgb->grf, RK3576_VCCIO_IOC_MISC_CON8,
647 		     RK3576_VOP_MCU_SEL(rgb->data_sync_bypass));
648 }
649 
650 static const struct rockchip_rgb_funcs rk3576_rgb_funcs = {
651 	.prepare = rk3576_rgb_prepare,
652 };
653 
654 static const struct udevice_id rockchip_rgb_ids[] = {
655 	{
656 		.compatible = "rockchip,px30-rgb",
657 		.data = (ulong)&px30_rgb_funcs,
658 	},
659 	{
660 		.compatible = "rockchip,rk1808-rgb",
661 		.data = (ulong)&rk1808_rgb_funcs,
662 	},
663 	{
664 		.compatible = "rockchip,rk3066-rgb",
665 	},
666 	{
667 		.compatible = "rockchip,rk3128-rgb",
668 	},
669 	{
670 		.compatible = "rockchip,rk3288-rgb",
671 		.data = (ulong)&rk3288_rgb_funcs,
672 	},
673 	{
674 		.compatible = "rockchip,rk3308-rgb",
675 	},
676 	{
677 		.compatible = "rockchip,rk3368-rgb",
678 		.data = (ulong)&rk3368_rgb_funcs,
679 	},
680 	{
681 		.compatible = "rockchip,rk3562-rgb",
682 		.data = (ulong)&rk3562_rgb_funcs,
683 	},
684 	{
685 		.compatible = "rockchip,rk3568-rgb",
686 		.data = (ulong)&rk3568_rgb_funcs,
687 	},
688 	{
689 		.compatible = "rockchip,rk3576-rgb",
690 		.data = (ulong)&rk3576_rgb_funcs,
691 	},
692 	{
693 		.compatible = "rockchip,rk3588-rgb",
694 	},
695 	{
696 		.compatible = "rockchip,rv1106-rgb",
697 		.data = (ulong)&rv1106_rgb_funcs,
698 	},
699 	{
700 		.compatible = "rockchip,rv1108-rgb",
701 	},
702 	{
703 		.compatible = "rockchip,rv1126-rgb",
704 		.data = (ulong)&rv1126_rgb_funcs,
705 	},
706 	{}
707 };
708 
709 U_BOOT_DRIVER(rockchip_rgb) = {
710 	.name = "rockchip_rgb",
711 	.id = UCLASS_DISPLAY,
712 	.of_match = rockchip_rgb_ids,
713 	.probe = rockchip_rgb_probe,
714 	.priv_auto_alloc_size = sizeof(struct rockchip_rgb),
715 };
716