xref: /rk3399_rockchip-uboot/drivers/video/drm/rockchip_rgb.c (revision 257c8a70660eec65519a481f1dd33e4e060766c8)
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_space = V4L2_COLORSPACE_DEFAULT;
186 	conn_state->disp_info  = rockchip_get_disp_info(conn_state->type, rgb->id);
187 
188 	switch (conn_state->bus_format) {
189 	case MEDIA_BUS_FMT_RGB666_1X18:
190 		conn_state->output_mode = ROCKCHIP_OUT_MODE_P666;
191 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
192 		break;
193 	case MEDIA_BUS_FMT_RGB565_1X16:
194 		conn_state->output_mode = ROCKCHIP_OUT_MODE_P565;
195 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
196 		break;
197 	case MEDIA_BUS_FMT_RGB888_3X8:
198 	case MEDIA_BUS_FMT_BGR888_3X8:
199 		conn_state->output_mode = ROCKCHIP_OUT_MODE_S888;
200 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
201 		break;
202 	case MEDIA_BUS_FMT_RGB888_DUMMY_4X8:
203 	case MEDIA_BUS_FMT_BGR888_DUMMY_4X8:
204 		conn_state->output_mode = ROCKCHIP_OUT_MODE_S888_DUMMY;
205 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
206 		break;
207 	case MEDIA_BUS_FMT_YUYV8_2X8:
208 	case MEDIA_BUS_FMT_YVYU8_2X8:
209 	case MEDIA_BUS_FMT_UYVY8_2X8:
210 	case MEDIA_BUS_FMT_VYUY8_2X8:
211 		conn_state->output_mode = ROCKCHIP_OUT_MODE_BT656;
212 		conn_state->output_if = VOP_OUTPUT_IF_BT656;
213 		break;
214 	case MEDIA_BUS_FMT_YUYV8_1X16:
215 	case MEDIA_BUS_FMT_YVYU8_1X16:
216 	case MEDIA_BUS_FMT_UYVY8_1X16:
217 	case MEDIA_BUS_FMT_VYUY8_1X16:
218 		conn_state->output_mode = ROCKCHIP_OUT_MODE_BT1120;
219 		conn_state->output_if = VOP_OUTPUT_IF_BT1120;
220 		break;
221 	case MEDIA_BUS_FMT_RGB888_1X24:
222 	case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
223 	default:
224 		conn_state->output_mode = ROCKCHIP_OUT_MODE_P888;
225 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
226 		break;
227 	}
228 
229 	return 0;
230 }
231 
232 static const struct rockchip_connector_funcs rockchip_rgb_connector_funcs = {
233 	.init = rockchip_rgb_connector_init,
234 	.prepare = rockchip_rgb_connector_prepare,
235 	.unprepare = rockchip_rgb_connector_unprepare,
236 };
237 
238 static int rockchip_mcu_panel_send_cmds(struct display_state *state,
239 					struct mcu_cmd_seq *cmds)
240 {
241 	int i;
242 
243 	if (!cmds)
244 		return -EINVAL;
245 
246 	display_send_mcu_cmd(state, MCU_SETBYPASS, 1);
247 	for (i = 0; i < cmds->cmd_cnt; i++) {
248 		struct mcu_cmd_desc *desc = &cmds->cmds[i];
249 		int value = 0;
250 
251 		value = desc->payload[0];
252 		display_send_mcu_cmd(state, desc->header.data_type, value);
253 
254 		if (desc->header.delay)
255 			mdelay(desc->header.delay);
256 	}
257 	display_send_mcu_cmd(state, MCU_SETBYPASS, 0);
258 
259 	return 0;
260 }
261 
262 static void rockchip_mcu_panel_prepare(struct rockchip_panel *panel)
263 {
264 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
265 	int ret;
266 
267 	if (mcu_panel->prepared)
268 		return;
269 
270 	if (dm_gpio_is_valid(&mcu_panel->enable_gpio))
271 		dm_gpio_set_value(&mcu_panel->enable_gpio, 1);
272 
273 	if (mcu_panel->desc->delay.prepare)
274 		mdelay(mcu_panel->desc->delay.prepare);
275 
276 	if (dm_gpio_is_valid(&mcu_panel->reset_gpio))
277 		dm_gpio_set_value(&mcu_panel->reset_gpio, 1);
278 
279 	if (mcu_panel->desc->delay.reset)
280 		mdelay(mcu_panel->desc->delay.reset);
281 
282 	if (dm_gpio_is_valid(&mcu_panel->reset_gpio))
283 		dm_gpio_set_value(&mcu_panel->reset_gpio, 0);
284 
285 	if (mcu_panel->desc->delay.init)
286 		mdelay(mcu_panel->desc->delay.init);
287 
288 	if (mcu_panel->desc->init_seq) {
289 		ret = rockchip_mcu_panel_send_cmds(panel->state, mcu_panel->desc->init_seq);
290 		if (ret)
291 			printf("failed to send mcu panel init cmds: %d\n", ret);
292 	}
293 
294 	mcu_panel->prepared = true;
295 }
296 
297 static void rockchip_mcu_panel_unprepare(struct rockchip_panel *panel)
298 {
299 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
300 	int ret;
301 
302 	if (!mcu_panel->prepared)
303 		return;
304 
305 	if (mcu_panel->desc->exit_seq) {
306 		ret = rockchip_mcu_panel_send_cmds(panel->state, mcu_panel->desc->exit_seq);
307 		if (ret)
308 			printf("failed to send mcu panel exit cmds: %d\n", ret);
309 	}
310 
311 	if (dm_gpio_is_valid(&mcu_panel->reset_gpio))
312 		dm_gpio_set_value(&mcu_panel->reset_gpio, 1);
313 
314 	if (dm_gpio_is_valid(&mcu_panel->enable_gpio))
315 		dm_gpio_set_value(&mcu_panel->enable_gpio, 0);
316 
317 	if (mcu_panel->desc->delay.unprepare)
318 		mdelay(mcu_panel->desc->delay.unprepare);
319 
320 	mcu_panel->prepared = false;
321 }
322 
323 static void rockchip_mcu_panel_enable(struct rockchip_panel *panel)
324 {
325 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
326 
327 	if (mcu_panel->enabled)
328 		return;
329 
330 	if (mcu_panel->desc->delay.enable)
331 		mdelay(mcu_panel->desc->delay.enable);
332 
333 	if (mcu_panel->backlight)
334 		backlight_enable(mcu_panel->backlight);
335 
336 	mcu_panel->enabled = true;
337 }
338 
339 static void rockchip_mcu_panel_disable(struct rockchip_panel *panel)
340 {
341 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
342 
343 	if (!mcu_panel->enabled)
344 		return;
345 
346 	if (mcu_panel->backlight)
347 		backlight_disable(mcu_panel->backlight);
348 
349 	if (mcu_panel->desc->delay.disable)
350 		mdelay(mcu_panel->desc->delay.disable);
351 
352 	mcu_panel->enabled = false;
353 }
354 
355 static const struct rockchip_panel_funcs rockchip_mcu_panel_funcs = {
356 	.prepare = rockchip_mcu_panel_prepare,
357 	.unprepare = rockchip_mcu_panel_unprepare,
358 	.enable = rockchip_mcu_panel_enable,
359 	.disable = rockchip_mcu_panel_disable,
360 };
361 
362 static int rockchip_mcu_panel_parse_cmds(const u8 *data, int length,
363 					 struct mcu_cmd_seq *pcmds)
364 {
365 	int len;
366 	const u8 *buf;
367 	const struct mcu_cmd_header *header;
368 	int i, cnt = 0;
369 
370 	/* scan commands */
371 	cnt = 0;
372 	buf = data;
373 	len = length;
374 	while (len > sizeof(*header)) {
375 		header = (const struct mcu_cmd_header *)buf;
376 		buf += sizeof(*header) + header->payload_length;
377 		len -= sizeof(*header) + header->payload_length;
378 		cnt++;
379 	}
380 
381 	pcmds->cmds = calloc(cnt, sizeof(struct mcu_cmd_desc));
382 	if (!pcmds->cmds)
383 		return -ENOMEM;
384 
385 	pcmds->cmd_cnt = cnt;
386 
387 	buf = data;
388 	len = length;
389 	for (i = 0; i < cnt; i++) {
390 		struct mcu_cmd_desc *desc = &pcmds->cmds[i];
391 
392 		header = (const struct mcu_cmd_header *)buf;
393 		length -= sizeof(*header);
394 		buf += sizeof(*header);
395 		desc->header.data_type = header->data_type;
396 		desc->header.delay = header->delay;
397 		desc->header.payload_length = header->payload_length;
398 		desc->payload = buf;
399 		buf += header->payload_length;
400 		length -= header->payload_length;
401 	}
402 
403 	return 0;
404 }
405 
406 static int rockchip_mcu_panel_init(struct rockchip_mcu_panel *mcu_panel, ofnode mcu_panel_node)
407 {
408 	const void *data;
409 	int len;
410 	int ret;
411 
412 	ret = gpio_request_by_name_nodev(mcu_panel_node, "enable-gpios", 0,
413 					 &mcu_panel->enable_gpio, GPIOD_IS_OUT);
414 	if (ret && ret != -ENOENT) {
415 		printf("%s: Cannot get mcu panel enable GPIO: %d\n", __func__, ret);
416 		return ret;
417 	}
418 
419 	ret = gpio_request_by_name_nodev(mcu_panel_node, "reset-gpios", 0,
420 					 &mcu_panel->reset_gpio, GPIOD_IS_OUT);
421 	if (ret && ret != -ENOENT) {
422 		printf("%s: Cannot get mcu panel reset GPIO: %d\n", __func__, ret);
423 		return ret;
424 	}
425 
426 	mcu_panel->desc = malloc(sizeof(struct rockchip_mcu_panel_desc));
427 	if (!mcu_panel->desc)
428 		return -ENOMEM;
429 
430 	mcu_panel->desc->power_invert = ofnode_read_bool(mcu_panel_node, "power-invert");
431 
432 	mcu_panel->desc->delay.prepare = ofnode_read_u32_default(mcu_panel_node, "prepare-delay-ms", 0);
433 	mcu_panel->desc->delay.unprepare = ofnode_read_u32_default(mcu_panel_node, "unprepare-delay-ms", 0);
434 	mcu_panel->desc->delay.enable = ofnode_read_u32_default(mcu_panel_node, "enable-delay-ms", 0);
435 	mcu_panel->desc->delay.disable = ofnode_read_u32_default(mcu_panel_node, "disable-delay-ms", 0);
436 	mcu_panel->desc->delay.init = ofnode_read_u32_default(mcu_panel_node, "init-delay-ms", 0);
437 	mcu_panel->desc->delay.reset = ofnode_read_u32_default(mcu_panel_node, "reset-delay-ms", 0);
438 
439 	mcu_panel->desc->bus_format = ofnode_read_u32_default(mcu_panel_node, "bus-format",
440 							      MEDIA_BUS_FMT_RBG888_1X24);
441 	mcu_panel->desc->bpc = ofnode_read_u32_default(mcu_panel_node, "bpc", 8);
442 
443 	data = ofnode_get_property(mcu_panel_node, "panel-init-sequence", &len);
444 	if (data) {
445 		mcu_panel->desc->init_seq = calloc(1, sizeof(*mcu_panel->desc->init_seq));
446 		if (!mcu_panel->desc->init_seq)
447 			return -ENOMEM;
448 
449 		ret = rockchip_mcu_panel_parse_cmds(data, len, mcu_panel->desc->init_seq);
450 		if (ret) {
451 			printf("failed to parse panel init sequence\n");
452 			goto free_on_cmds;
453 		}
454 	}
455 
456 	data = ofnode_get_property(mcu_panel_node, "panel-exit-sequence", &len);
457 	if (data) {
458 		mcu_panel->desc->exit_seq = calloc(1, sizeof(*mcu_panel->desc->exit_seq));
459 		if (!mcu_panel->desc->exit_seq) {
460 			ret = -ENOMEM;
461 			goto free_on_cmds;
462 		}
463 
464 		ret = rockchip_mcu_panel_parse_cmds(data, len, mcu_panel->desc->exit_seq);
465 		if (ret) {
466 			printf("failed to parse panel exit sequence\n");
467 			goto free_cmds;
468 		}
469 	}
470 
471 	return 0;
472 
473 free_cmds:
474 	free(mcu_panel->desc->exit_seq);
475 free_on_cmds:
476 	free(mcu_panel->desc->init_seq);
477 	return ret;
478 }
479 
480 static int rockchip_rgb_probe(struct udevice *dev)
481 {
482 	struct rockchip_rgb *rgb = dev_get_priv(dev);
483 	ofnode mcu_panel_node;
484 	int phandle;
485 	int ret;
486 
487 	rgb->dev = dev;
488 	rgb->funcs = (const struct rockchip_rgb_funcs *)dev_get_driver_data(dev);
489 	rgb->grf = syscon_get_regmap(dev_get_parent(dev));
490 	rgb->data_sync_bypass = dev_read_bool(dev, "rockchip,data-sync-bypass");
491 	rgb->id = of_alias_get_id(ofnode_to_np(dev->node), "rgb");
492 	if (rgb->id < 0)
493 		rgb->id = 0;
494 
495 	mcu_panel_node = dev_read_subnode(dev, "mcu-panel");
496 	if (ofnode_valid(mcu_panel_node) && ofnode_is_available(mcu_panel_node)) {
497 		struct rockchip_mcu_panel *mcu_panel;
498 
499 		mcu_panel = malloc(sizeof(struct rockchip_mcu_panel));
500 		if (!mcu_panel) {
501 			printf("failed to alloc mcu_panel data\n");
502 			return -ENOMEM;
503 		}
504 
505 		ret = rockchip_mcu_panel_init(mcu_panel, mcu_panel_node);
506 		if (ret < 0) {
507 			printf("failed to init mcu_panel: %d\n", ret);
508 			return ret;
509 		}
510 
511 		phandle = ofnode_read_u32_default(mcu_panel_node, "backlight", -1);
512 		if (phandle < 0) {
513 			printf("failed to find backlight phandle\n");
514 			return -EINVAL;
515 		}
516 
517 		ret = uclass_get_device_by_phandle_id(UCLASS_PANEL_BACKLIGHT, phandle,
518 						      &mcu_panel->backlight);
519 		if (ret && ret != -ENOENT) {
520 			printf("%s: failed to get backlight device: %d\n", __func__, ret);
521 			return ret;
522 		}
523 
524 		mcu_panel->base.dev = dev;
525 		mcu_panel->base.bus_format = mcu_panel->desc->bus_format;
526 		mcu_panel->base.bpc = mcu_panel->desc->bpc;
527 		mcu_panel->base.funcs = &rockchip_mcu_panel_funcs;
528 		mcu_panel->enabled = false;
529 		mcu_panel->prepared = false;
530 
531 		rgb->connector.panel = &mcu_panel->base;
532 	}
533 
534 	rockchip_connector_bind(&rgb->connector, dev, rgb->id, &rockchip_rgb_connector_funcs,
535 				NULL, DRM_MODE_CONNECTOR_LVDS);
536 
537 	return 0;
538 }
539 
540 static void rv1106_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
541 {
542 	regmap_write(rgb->grf, RV1106_VENC_GRF_VOP_IO_WRAPPER,
543 		     RV1106_IO_BYPASS_SEL(rgb->data_sync_bypass ? 0x3 : 0x0));
544 	regmap_write(rgb->grf, RV1106_VOGRF_VOP_PIPE_BYPASS,
545 		     RV1106_VOP_PIPE_BYPASS(rgb->data_sync_bypass ? 0x3 : 0x0));
546 }
547 
548 static const struct rockchip_rgb_funcs rv1106_rgb_funcs = {
549 	.prepare = rv1106_rgb_prepare,
550 };
551 
552 static void rv1126_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
553 {
554 	regmap_write(rgb->grf, RV1126_GRF_IOFUNC_CON3,
555 		     RV1126_LCDC_IO_BYPASS(rgb->data_sync_bypass));
556 }
557 
558 static const struct rockchip_rgb_funcs rv1126_rgb_funcs = {
559 	.prepare = rv1126_rgb_prepare,
560 };
561 
562 static void px30_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
563 {
564 	regmap_write(rgb->grf, PX30_GRF_PD_VO_CON1, PX30_RGB_VOP_SEL(pipe) |
565 		     PX30_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass));
566 }
567 
568 static const struct rockchip_rgb_funcs px30_rgb_funcs = {
569 	.prepare = px30_rgb_prepare,
570 };
571 
572 static void rk1808_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
573 {
574 	regmap_write(rgb->grf, RK1808_GRF_PD_VO_CON1,
575 		     RK1808_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass));
576 }
577 
578 static const struct rockchip_rgb_funcs rk1808_rgb_funcs = {
579 	.prepare = rk1808_rgb_prepare,
580 };
581 
582 static void rk3288_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
583 {
584 	regmap_write(rgb->grf, RK3288_GRF_SOC_CON6, RK3288_LVDS_LCDC_SEL(pipe));
585 	regmap_write(rgb->grf, RK3288_GRF_SOC_CON7,
586 		     RK3288_LVDS_PWRDWN(0) | RK3288_LVDS_CON_ENABLE_2(1) |
587 		     RK3288_LVDS_CON_ENABLE_1(1) | RK3288_LVDS_CON_CLKINV(0) |
588 		     RK3288_LVDS_CON_TTL_EN(1));
589 }
590 
591 static void rk3288_rgb_unprepare(struct rockchip_rgb *rgb)
592 {
593 	regmap_write(rgb->grf, RK3288_GRF_SOC_CON7,
594 		     RK3288_LVDS_PWRDWN(1) | RK3288_LVDS_CON_ENABLE_2(0) |
595 		     RK3288_LVDS_CON_ENABLE_1(0) | RK3288_LVDS_CON_TTL_EN(0));
596 }
597 
598 static const struct rockchip_rgb_funcs rk3288_rgb_funcs = {
599 	.prepare = rk3288_rgb_prepare,
600 	.unprepare = rk3288_rgb_unprepare,
601 };
602 
603 static void rk3368_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
604 {
605 	regmap_write(rgb->grf, RK3368_GRF_SOC_CON15, RK3368_FORCE_JETAG(0));
606 }
607 
608 static const struct rockchip_rgb_funcs rk3368_rgb_funcs = {
609 	.prepare = rk3368_rgb_prepare,
610 };
611 
612 static void rk3562_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
613 {
614 	regmap_write(rgb->grf, RK3562_GRF_IOC_VO_IO_CON,
615 		     RK3562_RGB_DATA_BYPASS(rgb->data_sync_bypass));
616 }
617 
618 static const struct rockchip_rgb_funcs rk3562_rgb_funcs = {
619 	.prepare = rk3562_rgb_prepare,
620 };
621 
622 static void rk3568_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
623 {
624 	regmap_write(rgb->grf, RK3568_GRF_VO_CON1, RK3568_RGB_DATA_BYPASS(rgb->data_sync_bypass));
625 }
626 
627 static const struct rockchip_rgb_funcs rk3568_rgb_funcs = {
628 	.prepare = rk3568_rgb_prepare,
629 };
630 
631 static void rk3576_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
632 {
633 	regmap_write(rgb->grf, RK3576_VCCIO_IOC_MISC_CON8,
634 		     RK3576_VOP_MCU_SEL(rgb->data_sync_bypass));
635 }
636 
637 static const struct rockchip_rgb_funcs rk3576_rgb_funcs = {
638 	.prepare = rk3576_rgb_prepare,
639 };
640 
641 static const struct udevice_id rockchip_rgb_ids[] = {
642 	{
643 		.compatible = "rockchip,px30-rgb",
644 		.data = (ulong)&px30_rgb_funcs,
645 	},
646 	{
647 		.compatible = "rockchip,rk1808-rgb",
648 		.data = (ulong)&rk1808_rgb_funcs,
649 	},
650 	{
651 		.compatible = "rockchip,rk3066-rgb",
652 	},
653 	{
654 		.compatible = "rockchip,rk3128-rgb",
655 	},
656 	{
657 		.compatible = "rockchip,rk3288-rgb",
658 		.data = (ulong)&rk3288_rgb_funcs,
659 	},
660 	{
661 		.compatible = "rockchip,rk3308-rgb",
662 	},
663 	{
664 		.compatible = "rockchip,rk3368-rgb",
665 		.data = (ulong)&rk3368_rgb_funcs,
666 	},
667 	{
668 		.compatible = "rockchip,rk3562-rgb",
669 		.data = (ulong)&rk3562_rgb_funcs,
670 	},
671 	{
672 		.compatible = "rockchip,rk3568-rgb",
673 		.data = (ulong)&rk3568_rgb_funcs,
674 	},
675 	{
676 		.compatible = "rockchip,rk3576-rgb",
677 		.data = (ulong)&rk3576_rgb_funcs,
678 	},
679 	{
680 		.compatible = "rockchip,rk3588-rgb",
681 	},
682 	{
683 		.compatible = "rockchip,rv1106-rgb",
684 		.data = (ulong)&rv1106_rgb_funcs,
685 	},
686 	{
687 		.compatible = "rockchip,rv1108-rgb",
688 	},
689 	{
690 		.compatible = "rockchip,rv1126-rgb",
691 		.data = (ulong)&rv1126_rgb_funcs,
692 	},
693 	{}
694 };
695 
696 U_BOOT_DRIVER(rockchip_rgb) = {
697 	.name = "rockchip_rgb",
698 	.id = UCLASS_DISPLAY,
699 	.of_match = rockchip_rgb_ids,
700 	.probe = rockchip_rgb_probe,
701 	.priv_auto_alloc_size = sizeof(struct rockchip_rgb),
702 };
703