xref: /rk3399_rockchip-uboot/drivers/video/drm/rockchip_rgb.c (revision 2c3c84fc7fd0ab439baf1e634c8b5504daa40db4)
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 struct rockchip_rgb;
61 
62 struct rockchip_rgb_funcs {
63 	void (*prepare)(struct rockchip_rgb *rgb, int pipe);
64 	void (*unprepare)(struct rockchip_rgb *rgb);
65 };
66 
67 struct rockchip_rgb {
68 	struct rockchip_connector connector;
69 	int id;
70 	struct udevice *dev;
71 	struct regmap *grf;
72 	bool data_sync_bypass;
73 	struct rockchip_phy *phy;
74 	const struct rockchip_rgb_funcs *funcs;
75 };
76 
77 struct mcu_cmd_header {
78 	u8 data_type;
79 	u8 delay;
80 	u8 payload_length;
81 } __packed;
82 
83 struct mcu_cmd_desc {
84 	struct mcu_cmd_header header;
85 	const u8 *payload;
86 };
87 
88 struct mcu_cmd_seq {
89 	struct mcu_cmd_desc *cmds;
90 	unsigned int cmd_cnt;
91 };
92 
93 struct rockchip_mcu_panel_desc {
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 	bool power_invert;
115 };
116 
117 struct rockchip_mcu_panel {
118 	struct rockchip_panel base;
119 	struct rockchip_mcu_panel_desc *desc;
120 	struct udevice *power_supply;
121 	struct udevice *backlight;
122 
123 	struct gpio_desc enable_gpio;
124 	struct gpio_desc reset_gpio;
125 
126 	bool prepared;
127 	bool enabled;
128 };
129 
130 static inline struct rockchip_mcu_panel *to_rockchip_mcu_panel(struct rockchip_panel *panel)
131 {
132 	return container_of(panel, struct rockchip_mcu_panel, base);
133 }
134 
135 static int rockchip_rgb_connector_prepare(struct rockchip_connector *conn,
136 					  struct display_state *state)
137 {
138 	struct rockchip_rgb *rgb = dev_get_priv(conn->dev);
139 	struct crtc_state *crtc_state = &state->crtc_state;
140 	int pipe = crtc_state->crtc_id;
141 	int ret;
142 
143 	pinctrl_select_state(rgb->dev, "default");
144 
145 	if (rgb->funcs && rgb->funcs->prepare)
146 		rgb->funcs->prepare(rgb, pipe);
147 
148 	if (rgb->phy) {
149 		ret = rockchip_phy_set_mode(rgb->phy, PHY_MODE_VIDEO_TTL);
150 		if (ret) {
151 			dev_err(rgb->dev, "failed to set phy mode: %d\n", ret);
152 			return ret;
153 		}
154 
155 		rockchip_phy_power_on(rgb->phy);
156 	}
157 
158 	return 0;
159 }
160 
161 static void rockchip_rgb_connector_unprepare(struct rockchip_connector *conn,
162 					     struct display_state *state)
163 {
164 	struct rockchip_rgb *rgb = dev_get_priv(conn->dev);
165 
166 	if (rgb->phy)
167 		rockchip_phy_power_off(rgb->phy);
168 
169 	if (rgb->funcs && rgb->funcs->unprepare)
170 		rgb->funcs->unprepare(rgb);
171 
172 	pinctrl_select_state(rgb->dev, "sleep");
173 }
174 
175 static int rockchip_rgb_connector_init(struct rockchip_connector *conn, struct display_state *state)
176 {
177 	struct rockchip_rgb *rgb = dev_get_priv(conn->dev);
178 	struct connector_state *conn_state = &state->conn_state;
179 
180 	rgb->phy = conn->phy;
181 
182 	conn_state->color_space = V4L2_COLORSPACE_DEFAULT;
183 	conn_state->disp_info  = rockchip_get_disp_info(conn_state->type, rgb->id);
184 
185 	switch (conn_state->bus_format) {
186 	case MEDIA_BUS_FMT_RGB666_1X18:
187 		conn_state->output_mode = ROCKCHIP_OUT_MODE_P666;
188 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
189 		break;
190 	case MEDIA_BUS_FMT_RGB565_1X16:
191 		conn_state->output_mode = ROCKCHIP_OUT_MODE_P565;
192 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
193 		break;
194 	case MEDIA_BUS_FMT_RGB888_3X8:
195 	case MEDIA_BUS_FMT_BGR888_3X8:
196 		conn_state->output_mode = ROCKCHIP_OUT_MODE_S888;
197 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
198 		break;
199 	case MEDIA_BUS_FMT_RGB888_DUMMY_4X8:
200 	case MEDIA_BUS_FMT_BGR888_DUMMY_4X8:
201 		conn_state->output_mode = ROCKCHIP_OUT_MODE_S888_DUMMY;
202 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
203 		break;
204 	case MEDIA_BUS_FMT_YUYV8_2X8:
205 	case MEDIA_BUS_FMT_YVYU8_2X8:
206 	case MEDIA_BUS_FMT_UYVY8_2X8:
207 	case MEDIA_BUS_FMT_VYUY8_2X8:
208 		conn_state->output_mode = ROCKCHIP_OUT_MODE_BT656;
209 		conn_state->output_if = VOP_OUTPUT_IF_BT656;
210 		break;
211 	case MEDIA_BUS_FMT_YUYV8_1X16:
212 	case MEDIA_BUS_FMT_YVYU8_1X16:
213 	case MEDIA_BUS_FMT_UYVY8_1X16:
214 	case MEDIA_BUS_FMT_VYUY8_1X16:
215 		conn_state->output_mode = ROCKCHIP_OUT_MODE_BT1120;
216 		conn_state->output_if = VOP_OUTPUT_IF_BT1120;
217 		break;
218 	case MEDIA_BUS_FMT_RGB888_1X24:
219 	case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
220 	default:
221 		conn_state->output_mode = ROCKCHIP_OUT_MODE_P888;
222 		conn_state->output_if = VOP_OUTPUT_IF_RGB;
223 		break;
224 	}
225 
226 	return 0;
227 }
228 
229 static const struct rockchip_connector_funcs rockchip_rgb_connector_funcs = {
230 	.init = rockchip_rgb_connector_init,
231 	.prepare = rockchip_rgb_connector_prepare,
232 	.unprepare = rockchip_rgb_connector_unprepare,
233 };
234 
235 static int rockchip_mcu_panel_send_cmds(struct display_state *state,
236 					struct mcu_cmd_seq *cmds)
237 {
238 	int i;
239 
240 	if (!cmds)
241 		return -EINVAL;
242 
243 	display_send_mcu_cmd(state, MCU_SETBYPASS, 1);
244 	for (i = 0; i < cmds->cmd_cnt; i++) {
245 		struct mcu_cmd_desc *desc = &cmds->cmds[i];
246 		int value = 0;
247 
248 		value = desc->payload[0];
249 		display_send_mcu_cmd(state, desc->header.data_type, value);
250 
251 		if (desc->header.delay)
252 			mdelay(desc->header.delay);
253 	}
254 	display_send_mcu_cmd(state, MCU_SETBYPASS, 0);
255 
256 	return 0;
257 }
258 
259 static void rockchip_mcu_panel_prepare(struct rockchip_panel *panel)
260 {
261 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
262 	int ret;
263 
264 	if (mcu_panel->prepared)
265 		return;
266 
267 	if (dm_gpio_is_valid(&mcu_panel->enable_gpio))
268 		dm_gpio_set_value(&mcu_panel->enable_gpio, 1);
269 
270 	if (mcu_panel->desc->delay.prepare)
271 		mdelay(mcu_panel->desc->delay.prepare);
272 
273 	if (dm_gpio_is_valid(&mcu_panel->reset_gpio))
274 		dm_gpio_set_value(&mcu_panel->reset_gpio, 1);
275 
276 	if (mcu_panel->desc->delay.reset)
277 		mdelay(mcu_panel->desc->delay.reset);
278 
279 	if (dm_gpio_is_valid(&mcu_panel->reset_gpio))
280 		dm_gpio_set_value(&mcu_panel->reset_gpio, 0);
281 
282 	if (mcu_panel->desc->delay.init)
283 		mdelay(mcu_panel->desc->delay.init);
284 
285 	if (mcu_panel->desc->init_seq) {
286 		ret = rockchip_mcu_panel_send_cmds(panel->state, mcu_panel->desc->init_seq);
287 		if (ret)
288 			printf("failed to send mcu panel init cmds: %d\n", ret);
289 	}
290 
291 	mcu_panel->prepared = true;
292 }
293 
294 static void rockchip_mcu_panel_unprepare(struct rockchip_panel *panel)
295 {
296 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
297 	int ret;
298 
299 	if (!mcu_panel->prepared)
300 		return;
301 
302 	if (mcu_panel->desc->exit_seq) {
303 		ret = rockchip_mcu_panel_send_cmds(panel->state, mcu_panel->desc->exit_seq);
304 		if (ret)
305 			printf("failed to send mcu panel exit cmds: %d\n", ret);
306 	}
307 
308 	if (dm_gpio_is_valid(&mcu_panel->reset_gpio))
309 		dm_gpio_set_value(&mcu_panel->reset_gpio, 1);
310 
311 	if (dm_gpio_is_valid(&mcu_panel->enable_gpio))
312 		dm_gpio_set_value(&mcu_panel->enable_gpio, 0);
313 
314 	if (mcu_panel->desc->delay.unprepare)
315 		mdelay(mcu_panel->desc->delay.unprepare);
316 
317 	mcu_panel->prepared = false;
318 }
319 
320 static void rockchip_mcu_panel_enable(struct rockchip_panel *panel)
321 {
322 	struct rockchip_mcu_panel *mcu_panel = to_rockchip_mcu_panel(panel);
323 
324 	if (mcu_panel->enabled)
325 		return;
326 
327 	if (mcu_panel->desc->delay.enable)
328 		mdelay(mcu_panel->desc->delay.enable);
329 
330 	if (mcu_panel->backlight)
331 		backlight_enable(mcu_panel->backlight);
332 
333 	mcu_panel->enabled = true;
334 }
335 
336 static void rockchip_mcu_panel_disable(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->backlight)
344 		backlight_disable(mcu_panel->backlight);
345 
346 	if (mcu_panel->desc->delay.disable)
347 		mdelay(mcu_panel->desc->delay.disable);
348 
349 	mcu_panel->enabled = false;
350 }
351 
352 static const struct rockchip_panel_funcs rockchip_mcu_panel_funcs = {
353 	.prepare = rockchip_mcu_panel_prepare,
354 	.unprepare = rockchip_mcu_panel_unprepare,
355 	.enable = rockchip_mcu_panel_enable,
356 	.disable = rockchip_mcu_panel_disable,
357 };
358 
359 static int rockchip_mcu_panel_parse_cmds(const u8 *data, int length,
360 					 struct mcu_cmd_seq *pcmds)
361 {
362 	int len;
363 	const u8 *buf;
364 	const struct mcu_cmd_header *header;
365 	int i, cnt = 0;
366 
367 	/* scan commands */
368 	cnt = 0;
369 	buf = data;
370 	len = length;
371 	while (len > sizeof(*header)) {
372 		header = (const struct mcu_cmd_header *)buf;
373 		buf += sizeof(*header) + header->payload_length;
374 		len -= sizeof(*header) + header->payload_length;
375 		cnt++;
376 	}
377 
378 	pcmds->cmds = calloc(cnt, sizeof(struct mcu_cmd_desc));
379 	if (!pcmds->cmds)
380 		return -ENOMEM;
381 
382 	pcmds->cmd_cnt = cnt;
383 
384 	buf = data;
385 	len = length;
386 	for (i = 0; i < cnt; i++) {
387 		struct mcu_cmd_desc *desc = &pcmds->cmds[i];
388 
389 		header = (const struct mcu_cmd_header *)buf;
390 		length -= sizeof(*header);
391 		buf += sizeof(*header);
392 		desc->header.data_type = header->data_type;
393 		desc->header.delay = header->delay;
394 		desc->header.payload_length = header->payload_length;
395 		desc->payload = buf;
396 		buf += header->payload_length;
397 		length -= header->payload_length;
398 	}
399 
400 	return 0;
401 }
402 
403 static int rockchip_mcu_panel_init(struct rockchip_mcu_panel *mcu_panel, ofnode mcu_panel_node)
404 {
405 	const void *data;
406 	int len;
407 	int ret;
408 
409 	ret = gpio_request_by_name_nodev(mcu_panel_node, "enable-gpios", 0,
410 					 &mcu_panel->enable_gpio, GPIOD_IS_OUT);
411 	if (ret && ret != -ENOENT) {
412 		printf("%s: Cannot get mcu panel enable GPIO: %d\n", __func__, ret);
413 		return ret;
414 	}
415 
416 	ret = gpio_request_by_name_nodev(mcu_panel_node, "reset-gpios", 0,
417 					 &mcu_panel->reset_gpio, GPIOD_IS_OUT);
418 	if (ret && ret != -ENOENT) {
419 		printf("%s: Cannot get mcu panel reset GPIO: %d\n", __func__, ret);
420 		return ret;
421 	}
422 
423 	mcu_panel->desc = malloc(sizeof(struct rockchip_mcu_panel_desc));
424 	if (!mcu_panel->desc)
425 		return -ENOMEM;
426 
427 	mcu_panel->desc->power_invert = ofnode_read_bool(mcu_panel_node, "power-invert");
428 
429 	mcu_panel->desc->delay.prepare = ofnode_read_u32_default(mcu_panel_node, "prepare-delay-ms", 0);
430 	mcu_panel->desc->delay.unprepare = ofnode_read_u32_default(mcu_panel_node, "unprepare-delay-ms", 0);
431 	mcu_panel->desc->delay.enable = ofnode_read_u32_default(mcu_panel_node, "enable-delay-ms", 0);
432 	mcu_panel->desc->delay.disable = ofnode_read_u32_default(mcu_panel_node, "disable-delay-ms", 0);
433 	mcu_panel->desc->delay.init = ofnode_read_u32_default(mcu_panel_node, "init-delay-ms", 0);
434 	mcu_panel->desc->delay.reset = ofnode_read_u32_default(mcu_panel_node, "reset-delay-ms", 0);
435 
436 	mcu_panel->desc->bus_format = ofnode_read_u32_default(mcu_panel_node, "bus-format",
437 							      MEDIA_BUS_FMT_RBG888_1X24);
438 	mcu_panel->desc->bpc = ofnode_read_u32_default(mcu_panel_node, "bpc", 8);
439 
440 	data = ofnode_get_property(mcu_panel_node, "panel-init-sequence", &len);
441 	if (data) {
442 		mcu_panel->desc->init_seq = calloc(1, sizeof(*mcu_panel->desc->init_seq));
443 		if (!mcu_panel->desc->init_seq)
444 			return -ENOMEM;
445 
446 		ret = rockchip_mcu_panel_parse_cmds(data, len, mcu_panel->desc->init_seq);
447 		if (ret) {
448 			printf("failed to parse panel init sequence\n");
449 			goto free_on_cmds;
450 		}
451 	}
452 
453 	data = ofnode_get_property(mcu_panel_node, "panel-exit-sequence", &len);
454 	if (data) {
455 		mcu_panel->desc->exit_seq = calloc(1, sizeof(*mcu_panel->desc->exit_seq));
456 		if (!mcu_panel->desc->exit_seq) {
457 			ret = -ENOMEM;
458 			goto free_on_cmds;
459 		}
460 
461 		ret = rockchip_mcu_panel_parse_cmds(data, len, mcu_panel->desc->exit_seq);
462 		if (ret) {
463 			printf("failed to parse panel exit sequence\n");
464 			goto free_cmds;
465 		}
466 	}
467 
468 	return 0;
469 
470 free_cmds:
471 	free(mcu_panel->desc->exit_seq);
472 free_on_cmds:
473 	free(mcu_panel->desc->init_seq);
474 	return ret;
475 }
476 
477 static int rockchip_rgb_probe(struct udevice *dev)
478 {
479 	struct rockchip_rgb *rgb = dev_get_priv(dev);
480 	ofnode mcu_panel_node;
481 	int phandle;
482 	int ret;
483 
484 	rgb->dev = dev;
485 	rgb->funcs = (const struct rockchip_rgb_funcs *)dev_get_driver_data(dev);
486 	rgb->grf = syscon_get_regmap(dev_get_parent(dev));
487 	rgb->data_sync_bypass = dev_read_bool(dev, "rockchip,data-sync-bypass");
488 	rgb->id = of_alias_get_id(ofnode_to_np(dev->node), "rgb");
489 	if (rgb->id < 0)
490 		rgb->id = 0;
491 
492 	mcu_panel_node = dev_read_subnode(dev, "mcu-panel");
493 	if (ofnode_valid(mcu_panel_node) && ofnode_is_available(mcu_panel_node)) {
494 		struct rockchip_mcu_panel *mcu_panel;
495 
496 		mcu_panel = malloc(sizeof(struct rockchip_mcu_panel));
497 		if (!mcu_panel) {
498 			printf("failed to alloc mcu_panel data\n");
499 			return -ENOMEM;
500 		}
501 
502 		ret = rockchip_mcu_panel_init(mcu_panel, mcu_panel_node);
503 		if (ret < 0) {
504 			printf("failed to init mcu_panel: %d\n", ret);
505 			return ret;
506 		}
507 
508 		phandle = ofnode_read_u32_default(mcu_panel_node, "backlight", -1);
509 		if (phandle < 0) {
510 			printf("failed to find backlight phandle\n");
511 			return -EINVAL;
512 		}
513 
514 		ret = uclass_get_device_by_phandle_id(UCLASS_PANEL_BACKLIGHT, phandle,
515 						      &mcu_panel->backlight);
516 		if (ret && ret != -ENOENT) {
517 			printf("%s: failed to get backlight device: %d\n", __func__, ret);
518 			return ret;
519 		}
520 
521 		mcu_panel->base.dev = dev;
522 		mcu_panel->base.bus_format = mcu_panel->desc->bus_format;
523 		mcu_panel->base.bpc = mcu_panel->desc->bpc;
524 		mcu_panel->base.funcs = &rockchip_mcu_panel_funcs;
525 		mcu_panel->enabled = false;
526 		mcu_panel->prepared = false;
527 
528 		rgb->connector.panel = &mcu_panel->base;
529 	}
530 
531 	rockchip_connector_bind(&rgb->connector, dev, rgb->id, &rockchip_rgb_connector_funcs,
532 				NULL, DRM_MODE_CONNECTOR_LVDS);
533 
534 	return 0;
535 }
536 
537 static void rv1106_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
538 {
539 	regmap_write(rgb->grf, RV1106_VENC_GRF_VOP_IO_WRAPPER,
540 		     RV1106_IO_BYPASS_SEL(rgb->data_sync_bypass ? 0x3 : 0x0));
541 	regmap_write(rgb->grf, RV1106_VOGRF_VOP_PIPE_BYPASS,
542 		     RV1106_VOP_PIPE_BYPASS(rgb->data_sync_bypass ? 0x3 : 0x0));
543 }
544 
545 static const struct rockchip_rgb_funcs rv1106_rgb_funcs = {
546 	.prepare = rv1106_rgb_prepare,
547 };
548 
549 static void rv1126_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
550 {
551 	regmap_write(rgb->grf, RV1126_GRF_IOFUNC_CON3,
552 		     RV1126_LCDC_IO_BYPASS(rgb->data_sync_bypass));
553 }
554 
555 static const struct rockchip_rgb_funcs rv1126_rgb_funcs = {
556 	.prepare = rv1126_rgb_prepare,
557 };
558 
559 static void px30_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
560 {
561 	regmap_write(rgb->grf, PX30_GRF_PD_VO_CON1, PX30_RGB_VOP_SEL(pipe) |
562 		     PX30_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass));
563 }
564 
565 static const struct rockchip_rgb_funcs px30_rgb_funcs = {
566 	.prepare = px30_rgb_prepare,
567 };
568 
569 static void rk1808_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
570 {
571 	regmap_write(rgb->grf, RK1808_GRF_PD_VO_CON1,
572 		     RK1808_RGB_DATA_SYNC_BYPASS(rgb->data_sync_bypass));
573 }
574 
575 static const struct rockchip_rgb_funcs rk1808_rgb_funcs = {
576 	.prepare = rk1808_rgb_prepare,
577 };
578 
579 static void rk3288_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
580 {
581 	regmap_write(rgb->grf, RK3288_GRF_SOC_CON6, RK3288_LVDS_LCDC_SEL(pipe));
582 	regmap_write(rgb->grf, RK3288_GRF_SOC_CON7,
583 		     RK3288_LVDS_PWRDWN(0) | RK3288_LVDS_CON_ENABLE_2(1) |
584 		     RK3288_LVDS_CON_ENABLE_1(1) | RK3288_LVDS_CON_CLKINV(0) |
585 		     RK3288_LVDS_CON_TTL_EN(1));
586 }
587 
588 static void rk3288_rgb_unprepare(struct rockchip_rgb *rgb)
589 {
590 	regmap_write(rgb->grf, RK3288_GRF_SOC_CON7,
591 		     RK3288_LVDS_PWRDWN(1) | RK3288_LVDS_CON_ENABLE_2(0) |
592 		     RK3288_LVDS_CON_ENABLE_1(0) | RK3288_LVDS_CON_TTL_EN(0));
593 }
594 
595 static const struct rockchip_rgb_funcs rk3288_rgb_funcs = {
596 	.prepare = rk3288_rgb_prepare,
597 	.unprepare = rk3288_rgb_unprepare,
598 };
599 
600 static void rk3368_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
601 {
602 	regmap_write(rgb->grf, RK3368_GRF_SOC_CON15, RK3368_FORCE_JETAG(0));
603 }
604 
605 static const struct rockchip_rgb_funcs rk3368_rgb_funcs = {
606 	.prepare = rk3368_rgb_prepare,
607 };
608 
609 static void rk3562_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
610 {
611 	regmap_write(rgb->grf, RK3562_GRF_IOC_VO_IO_CON,
612 		     RK3562_RGB_DATA_BYPASS(rgb->data_sync_bypass));
613 }
614 
615 static const struct rockchip_rgb_funcs rk3562_rgb_funcs = {
616 	.prepare = rk3562_rgb_prepare,
617 };
618 
619 static void rk3568_rgb_prepare(struct rockchip_rgb *rgb, int pipe)
620 {
621 	regmap_write(rgb->grf, RK3568_GRF_VO_CON1, RK3568_RGB_DATA_BYPASS(rgb->data_sync_bypass));
622 }
623 
624 static const struct rockchip_rgb_funcs rk3568_rgb_funcs = {
625 	.prepare = rk3568_rgb_prepare,
626 };
627 
628 static const struct udevice_id rockchip_rgb_ids[] = {
629 	{
630 		.compatible = "rockchip,px30-rgb",
631 		.data = (ulong)&px30_rgb_funcs,
632 	},
633 	{
634 		.compatible = "rockchip,rk1808-rgb",
635 		.data = (ulong)&rk1808_rgb_funcs,
636 	},
637 	{
638 		.compatible = "rockchip,rk3066-rgb",
639 	},
640 	{
641 		.compatible = "rockchip,rk3128-rgb",
642 	},
643 	{
644 		.compatible = "rockchip,rk3288-rgb",
645 		.data = (ulong)&rk3288_rgb_funcs,
646 	},
647 	{
648 		.compatible = "rockchip,rk3308-rgb",
649 	},
650 	{
651 		.compatible = "rockchip,rk3368-rgb",
652 		.data = (ulong)&rk3368_rgb_funcs,
653 	},
654 	{
655 		.compatible = "rockchip,rk3562-rgb",
656 		.data = (ulong)&rk3562_rgb_funcs,
657 	},
658 	{
659 		.compatible = "rockchip,rk3568-rgb",
660 		.data = (ulong)&rk3568_rgb_funcs,
661 	},
662 	{
663 		.compatible = "rockchip,rv1106-rgb",
664 		.data = (ulong)&rv1106_rgb_funcs,
665 	},
666 	{
667 		.compatible = "rockchip,rv1108-rgb",
668 	},
669 	{
670 		.compatible = "rockchip,rv1126-rgb",
671 		.data = (ulong)&rv1126_rgb_funcs,
672 	},
673 	{}
674 };
675 
676 U_BOOT_DRIVER(rockchip_rgb) = {
677 	.name = "rockchip_rgb",
678 	.id = UCLASS_DISPLAY,
679 	.of_match = rockchip_rgb_ids,
680 	.probe = rockchip_rgb_probe,
681 	.priv_auto_alloc_size = sizeof(struct rockchip_rgb),
682 };
683