xref: /rk3399_rockchip-uboot/drivers/video/drm/dw_hdmi_qp.c (revision e97e46ab3c81ffbc93b250f53c4cfc1a447e64cf)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2021 Fuzhou Rockchip Electronics Co., Ltd
4  * Author: Algea Cao <algea.cao@rock-chips.com>
5  */
6 
7 #include <common.h>
8 #include <malloc.h>
9 #include <syscon.h>
10 #include <asm/arch-rockchip/clock.h>
11 #include <asm/arch/vendor.h>
12 #include <edid.h>
13 #include <dm/device.h>
14 #include <dm/of_access.h>
15 #include <dm/ofnode.h>
16 #include <dm/read.h>
17 #include <linux/hdmi.h>
18 #include <linux/media-bus-format.h>
19 #include <linux/dw_hdmi.h>
20 #include <asm/io.h>
21 #include "rockchip_display.h"
22 #include "rockchip_crtc.h"
23 #include "rockchip_connector.h"
24 #include "dw_hdmi_qp.h"
25 #include "rockchip_phy.h"
26 
27 enum frl_mask {
28 	FRL_3GBPS_3LANE = 1,
29 	FRL_6GBPS_3LANE,
30 	FRL_6GBPS_4LANE,
31 	FRL_8GBPS_4LANE,
32 	FRL_10GBPS_4LANE,
33 	FRL_12GBPS_4LANE,
34 };
35 
36 #define DDC_CI_ADDR		0x37
37 #define DDC_SEGMENT_ADDR	0x30
38 
39 #define HDMI_EDID_LEN		512
40 
41 /* DW-HDMI Controller >= 0x200a are at least compliant with SCDC version 1 */
42 #define SCDC_MIN_SOURCE_VERSION	0x1
43 
44 #define HDMI14_MAX_TMDSCLK	340000000
45 
46 struct hdmi_vmode {
47 	bool mdataenablepolarity;
48 
49 	unsigned int mpixelclock;
50 	unsigned int mpixelrepetitioninput;
51 	unsigned int mpixelrepetitionoutput;
52 	unsigned int mtmdsclock;
53 };
54 
55 struct hdmi_data_info {
56 	unsigned int enc_in_bus_format;
57 	unsigned int enc_out_bus_format;
58 	unsigned int enc_in_encoding;
59 	unsigned int enc_out_encoding;
60 	unsigned int quant_range;
61 	unsigned int pix_repet_factor;
62 	struct hdmi_vmode video_mode;
63 };
64 
65 struct dw_hdmi_phy_data {
66 	enum dw_hdmi_phy_type type;
67 	const char *name;
68 	unsigned int gen;
69 	bool has_svsret;
70 	int (*configure)(struct dw_hdmi *hdmi,
71 			 const struct dw_hdmi_plat_data *pdata,
72 			 unsigned long mpixelclock);
73 };
74 
75 struct dw_hdmi_i2c {
76 	u8			slave_reg;
77 	bool			is_regaddr;
78 	bool			is_segment;
79 
80 	unsigned int		scl_high_ns;
81 	unsigned int		scl_low_ns;
82 };
83 
84 struct dw_hdmi_qp {
85 	enum dw_hdmi_devtype dev_type;
86 	unsigned int version;
87 	struct hdmi_data_info hdmi_data;
88 	struct hdmi_edid_data edid_data;
89 	const struct dw_hdmi_plat_data *plat_data;
90 	struct ddc_adapter adap;
91 
92 	int vic;
93 	int id;
94 
95 	unsigned long bus_format;
96 	bool cable_plugin;
97 	bool sink_is_hdmi;
98 	bool sink_has_audio;
99 	void *regs;
100 	void *rk_hdmi;
101 	struct dw_hdmi_i2c *i2c;
102 
103 	struct {
104 		const struct dw_hdmi_qp_phy_ops *ops;
105 		const char *name;
106 		void *data;
107 		bool enabled;
108 	} phy;
109 
110 	struct drm_display_mode previous_mode;
111 
112 	unsigned int sample_rate;
113 	unsigned int audio_cts;
114 	unsigned int audio_n;
115 	bool audio_enable;
116 	bool scramble_low_rates;
117 
118 	void (*write)(struct dw_hdmi_qp *hdmi, u32 val, int offset);
119 	u8 (*read)(struct dw_hdmi_qp *hdmi, int offset);
120 
121 	bool hdcp1x_enable;
122 	bool output_bus_format_rgb;
123 };
124 
125 static inline void hdmi_writel(struct dw_hdmi_qp *hdmi, u32 val, int offset)
126 {
127 	writel(val, hdmi->regs + offset);
128 }
129 
130 static inline u32 hdmi_readl(struct dw_hdmi_qp *hdmi, int offset)
131 {
132 	return readl(hdmi->regs + offset);
133 }
134 
135 static void
136 hdmi_modb(struct dw_hdmi_qp *hdmi, u32 data, u32 mask, unsigned int reg)
137 {
138 	u32 val = hdmi_readl(hdmi, reg) & ~mask;
139 
140 	val |= data & mask;
141 	hdmi_writel(hdmi, val, reg);
142 }
143 
144 static bool hdmi_bus_fmt_is_rgb(unsigned int bus_format)
145 {
146 	switch (bus_format) {
147 	case MEDIA_BUS_FMT_RGB888_1X24:
148 	case MEDIA_BUS_FMT_RGB101010_1X30:
149 	case MEDIA_BUS_FMT_RGB121212_1X36:
150 	case MEDIA_BUS_FMT_RGB161616_1X48:
151 		return true;
152 
153 	default:
154 		return false;
155 	}
156 }
157 
158 static bool hdmi_bus_fmt_is_yuv444(unsigned int bus_format)
159 {
160 	switch (bus_format) {
161 	case MEDIA_BUS_FMT_YUV8_1X24:
162 	case MEDIA_BUS_FMT_YUV10_1X30:
163 	case MEDIA_BUS_FMT_YUV12_1X36:
164 	case MEDIA_BUS_FMT_YUV16_1X48:
165 		return true;
166 
167 	default:
168 		return false;
169 	}
170 }
171 
172 static bool hdmi_bus_fmt_is_yuv422(unsigned int bus_format)
173 {
174 	switch (bus_format) {
175 	case MEDIA_BUS_FMT_UYVY8_1X16:
176 	case MEDIA_BUS_FMT_UYVY10_1X20:
177 	case MEDIA_BUS_FMT_UYVY12_1X24:
178 		return true;
179 
180 	default:
181 		return false;
182 	}
183 }
184 
185 static bool hdmi_bus_fmt_is_yuv420(unsigned int bus_format)
186 {
187 	switch (bus_format) {
188 	case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
189 	case MEDIA_BUS_FMT_UYYVYY10_0_5X30:
190 	case MEDIA_BUS_FMT_UYYVYY12_0_5X36:
191 	case MEDIA_BUS_FMT_UYYVYY16_0_5X48:
192 		return true;
193 
194 	default:
195 		return false;
196 	}
197 }
198 
199 static int hdmi_bus_fmt_color_depth(unsigned int bus_format)
200 {
201 	switch (bus_format) {
202 	case MEDIA_BUS_FMT_RGB888_1X24:
203 	case MEDIA_BUS_FMT_YUV8_1X24:
204 	case MEDIA_BUS_FMT_UYVY8_1X16:
205 	case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
206 		return 8;
207 
208 	case MEDIA_BUS_FMT_RGB101010_1X30:
209 	case MEDIA_BUS_FMT_YUV10_1X30:
210 	case MEDIA_BUS_FMT_UYVY10_1X20:
211 	case MEDIA_BUS_FMT_UYYVYY10_0_5X30:
212 		return 10;
213 
214 	case MEDIA_BUS_FMT_RGB121212_1X36:
215 	case MEDIA_BUS_FMT_YUV12_1X36:
216 	case MEDIA_BUS_FMT_UYVY12_1X24:
217 	case MEDIA_BUS_FMT_UYYVYY12_0_5X36:
218 		return 12;
219 
220 	case MEDIA_BUS_FMT_RGB161616_1X48:
221 	case MEDIA_BUS_FMT_YUV16_1X48:
222 	case MEDIA_BUS_FMT_UYYVYY16_0_5X48:
223 		return 16;
224 
225 	default:
226 		return 0;
227 	}
228 }
229 
230 static bool drm_scdc_set_scrambling(struct ddc_adapter *adapter, bool enable)
231 {
232 	u8 config;
233 	int ret;
234 
235 	ret = drm_scdc_readb(adapter, SCDC_TMDS_CONFIG, &config);
236 	if (ret < 0) {
237 		debug("Failed to read TMDS config: %d\n", ret);
238 		return false;
239 	}
240 
241 	if (enable)
242 		config |= SCDC_SCRAMBLING_ENABLE;
243 	else
244 		config &= ~SCDC_SCRAMBLING_ENABLE;
245 
246 	ret = drm_scdc_writeb(adapter, SCDC_TMDS_CONFIG, config);
247 	if (ret < 0) {
248 		debug("Failed to enable scrambling: %d\n", ret);
249 		return false;
250 	}
251 
252 	return true;
253 }
254 
255 static bool
256 drm_scdc_set_high_tmds_clock_ratio(struct ddc_adapter *adapter, bool set)
257 {
258 	u8 config;
259 	int ret;
260 
261 	ret = drm_scdc_readb(adapter, SCDC_TMDS_CONFIG, &config);
262 	if (ret < 0) {
263 		debug("Failed to read TMDS config: %d\n", ret);
264 		return false;
265 	}
266 
267 	if (set)
268 		config |= SCDC_TMDS_BIT_CLOCK_RATIO_BY_40;
269 	else
270 		config &= ~SCDC_TMDS_BIT_CLOCK_RATIO_BY_40;
271 
272 	ret = drm_scdc_writeb(adapter, SCDC_TMDS_CONFIG, config);
273 	if (ret < 0) {
274 		debug("Failed to set TMDS clock ratio: %d\n", ret);
275 		return false;
276 	}
277 
278 	/*
279 	 * The spec says that a source should wait minimum 1ms and maximum
280 	 * 100ms after writing the TMDS config for clock ratio. Lets allow a
281 	 * wait of up to 2ms here.
282 	 */
283 	udelay(2000);
284 	return true;
285 }
286 
287 static void dw_hdmi_i2c_init(struct dw_hdmi_qp *hdmi)
288 {
289 	/* Software reset */
290 	hdmi_writel(hdmi, 0x01, I2CM_CONTROL0);
291 
292 	hdmi_writel(hdmi, 0x085c085c, I2CM_FM_SCL_CONFIG0);
293 
294 	hdmi_modb(hdmi, 0, I2CM_FM_EN, I2CM_INTERFACE_CONTROL0);
295 
296 	/* Clear DONE and ERROR interrupts */
297 	hdmi_writel(hdmi, I2CM_OP_DONE_CLEAR | I2CM_NACK_RCVD_CLEAR,
298 		    MAINUNIT_1_INT_CLEAR);
299 }
300 
301 static int dw_hdmi_i2c_read(struct dw_hdmi_qp *hdmi,
302 			    unsigned char *buf, unsigned int length)
303 {
304 	struct dw_hdmi_i2c *i2c = hdmi->i2c;
305 	int i = 20;
306 	u32 intr = 0;
307 
308 	if (!i2c->is_regaddr) {
309 		printf("set read register address to 0\n");
310 		i2c->slave_reg = 0x00;
311 		i2c->is_regaddr = true;
312 	}
313 
314 	while (length--) {
315 		hdmi_modb(hdmi, i2c->slave_reg++ << 12, I2CM_ADDR,
316 			  I2CM_INTERFACE_CONTROL0);
317 
318 		hdmi_modb(hdmi, I2CM_FM_READ, I2CM_WR_MASK,
319 			  I2CM_INTERFACE_CONTROL0);
320 
321 		while (i--) {
322 			udelay(1000);
323 			intr = hdmi_readl(hdmi, MAINUNIT_1_INT_STATUS) &
324 				(I2CM_OP_DONE_IRQ | I2CM_READ_REQUEST_IRQ |
325 				 I2CM_NACK_RCVD_IRQ);
326 			if (intr) {
327 				hdmi_writel(hdmi, intr, MAINUNIT_1_INT_CLEAR);
328 				break;
329 			}
330 		}
331 
332 		if (!i) {
333 			printf("i2c read time out!\n");
334 			hdmi_writel(hdmi, 0x01, I2CM_CONTROL0);
335 			return -EAGAIN;
336 		}
337 
338 		/* Check for error condition on the bus */
339 		if (intr & I2CM_NACK_RCVD_IRQ) {
340 			printf("i2c read err!\n");
341 			hdmi_writel(hdmi, 0x01, I2CM_CONTROL0);
342 			return -EIO;
343 		}
344 
345 		*buf++ = hdmi_readl(hdmi, I2CM_INTERFACE_RDDATA_0_3) & 0xff;
346 		hdmi_modb(hdmi, 0, I2CM_WR_MASK, I2CM_INTERFACE_CONTROL0);
347 		i = 20;
348 	}
349 	i2c->is_segment = false;
350 
351 	return 0;
352 }
353 
354 static int dw_hdmi_i2c_write(struct dw_hdmi_qp *hdmi,
355 			     unsigned char *buf, unsigned int length)
356 {
357 	struct dw_hdmi_i2c *i2c = hdmi->i2c;
358 	int i = 20;
359 	u32 intr = 0;
360 
361 	if (!i2c->is_regaddr) {
362 		/* Use the first write byte as register address */
363 		i2c->slave_reg = buf[0];
364 		length--;
365 		buf++;
366 		i2c->is_regaddr = true;
367 	}
368 
369 	while (length--) {
370 		hdmi_writel(hdmi, *buf++, I2CM_INTERFACE_WRDATA_0_3);
371 		hdmi_modb(hdmi, i2c->slave_reg++ << 12, I2CM_ADDR,
372 			  I2CM_INTERFACE_CONTROL0);
373 		hdmi_modb(hdmi, I2CM_FM_WRITE, I2CM_WR_MASK,
374 			  I2CM_INTERFACE_CONTROL0);
375 
376 		while (i--) {
377 			udelay(1000);
378 			intr = hdmi_readl(hdmi, MAINUNIT_1_INT_STATUS) &
379 				(I2CM_OP_DONE_IRQ | I2CM_READ_REQUEST_IRQ |
380 				 I2CM_NACK_RCVD_IRQ);
381 			if (intr) {
382 				hdmi_writel(hdmi, intr, MAINUNIT_1_INT_CLEAR);
383 				break;
384 			}
385 		}
386 
387 		if (!i) {
388 			printf("i2c write time out!\n");
389 			hdmi_writel(hdmi, 0x01, I2CM_CONTROL0);
390 			return -EAGAIN;
391 		}
392 
393 		/* Check for error condition on the bus */
394 		if (intr & I2CM_NACK_RCVD_IRQ) {
395 			printf("i2c write nack!\n");
396 			hdmi_writel(hdmi, 0x01, I2CM_CONTROL0);
397 			return -EIO;
398 		}
399 		hdmi_modb(hdmi, 0, I2CM_WR_MASK, I2CM_INTERFACE_CONTROL0);
400 		i = 20;
401 	}
402 
403 	return 0;
404 }
405 
406 static int dw_hdmi_i2c_xfer(struct ddc_adapter *adap,
407 			    struct i2c_msg *msgs, int num)
408 {
409 	struct dw_hdmi_qp *hdmi = container_of(adap, struct dw_hdmi_qp, adap);
410 	struct dw_hdmi_i2c *i2c = hdmi->i2c;
411 	u8 addr = msgs[0].addr;
412 	int i, ret = 0;
413 
414 	debug("i2c xfer: num: %d, addr: %#x\n", num, addr);
415 
416 	for (i = 0; i < num; i++) {
417 		if (msgs[i].len == 0) {
418 			printf("unsupported transfer %d/%d, no data\n",
419 			       i + 1, num);
420 			return -EOPNOTSUPP;
421 		}
422 	}
423 
424 	/* Unmute DONE and ERROR interrupts */
425 	hdmi_modb(hdmi, I2CM_NACK_RCVD_MASK_N | I2CM_OP_DONE_MASK_N,
426 		  I2CM_NACK_RCVD_MASK_N | I2CM_OP_DONE_MASK_N,
427 		  MAINUNIT_1_INT_MASK_N);
428 
429 	/* Set slave device address taken from the first I2C message */
430 	if (addr == DDC_SEGMENT_ADDR && msgs[0].len == 1)
431 		addr = DDC_ADDR;
432 
433 	hdmi_modb(hdmi, addr << 5, I2CM_SLVADDR, I2CM_INTERFACE_CONTROL0);
434 
435 	/* Set slave device register address on transfer */
436 	i2c->is_regaddr = false;
437 
438 	/* Set segment pointer for I2C extended read mode operation */
439 	i2c->is_segment = false;
440 
441 	for (i = 0; i < num; i++) {
442 		debug("xfer: num: %d/%d, len: %d, flags: %#x\n",
443 		      i + 1, num, msgs[i].len, msgs[i].flags);
444 
445 		if (msgs[i].addr == DDC_SEGMENT_ADDR && msgs[i].len == 1) {
446 			i2c->is_segment = true;
447 			hdmi_modb(hdmi, DDC_SEGMENT_ADDR, I2CM_SEG_ADDR,
448 				  I2CM_INTERFACE_CONTROL1);
449 			hdmi_modb(hdmi, *msgs[i].buf, I2CM_SEG_PTR,
450 				  I2CM_INTERFACE_CONTROL1);
451 		} else {
452 			if (msgs[i].flags & I2C_M_RD)
453 				ret = dw_hdmi_i2c_read(hdmi, msgs[i].buf,
454 						       msgs[i].len);
455 			else
456 				ret = dw_hdmi_i2c_write(hdmi, msgs[i].buf,
457 							msgs[i].len);
458 		}
459 		if (ret < 0)
460 			break;
461 	}
462 
463 	if (!ret)
464 		ret = num;
465 
466 	/* Mute DONE and ERROR interrupts */
467 	hdmi_modb(hdmi, 0, I2CM_OP_DONE_MASK_N | I2CM_NACK_RCVD_MASK_N,
468 		  MAINUNIT_1_INT_MASK_N);
469 
470 	return ret;
471 }
472 
473 static int dw_hdmi_detect_phy(struct dw_hdmi_qp *hdmi)
474 {
475 	/* Vendor PHYs require support from the glue layer. */
476 	if (!hdmi->plat_data->qp_phy_ops || !hdmi->plat_data->phy_name) {
477 		dev_err(hdmi->dev,
478 			"Vendor HDMI PHY not supported by glue layer\n");
479 		return -ENODEV;
480 	}
481 
482 	hdmi->phy.ops = hdmi->plat_data->qp_phy_ops;
483 	hdmi->phy.data = hdmi->plat_data->phy_data;
484 	hdmi->phy.name = hdmi->plat_data->phy_name;
485 
486 	return 0;
487 }
488 
489 static unsigned int
490 hdmi_get_tmdsclock(struct dw_hdmi_qp *hdmi, unsigned long mpixelclock)
491 {
492 	unsigned int tmdsclock = mpixelclock;
493 	unsigned int depth =
494 		hdmi_bus_fmt_color_depth(hdmi->hdmi_data.enc_out_bus_format);
495 
496 	if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) {
497 		switch (depth) {
498 		case 16:
499 			tmdsclock = mpixelclock * 2;
500 			break;
501 		case 12:
502 			tmdsclock = mpixelclock * 3 / 2;
503 			break;
504 		case 10:
505 			tmdsclock = mpixelclock * 5 / 4;
506 			break;
507 		default:
508 			break;
509 		}
510 	}
511 
512 	return tmdsclock;
513 }
514 
515 static void hdmi_config_AVI(struct dw_hdmi_qp *hdmi, struct drm_display_mode *mode)
516 {
517 	struct hdmi_avi_infoframe frame;
518 	u32 val, i, j;
519 	u8 buff[17];
520 	bool is_hdmi2 = false;
521 	enum hdmi_quantization_range rgb_quant_range =
522 		hdmi->hdmi_data.quant_range;
523 
524 	if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format) ||
525 	    hdmi->edid_data.display_info.hdmi.scdc.supported)
526 		is_hdmi2 = true;
527 	/* Initialise info frame from DRM mode */
528 	drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, is_hdmi2);
529 
530 	/*
531 	 * Ignore monitor selectable quantization, use quantization set
532 	 * by the user
533 	 */
534 	drm_hdmi_avi_infoframe_quant_range(&frame, mode, rgb_quant_range,
535 					   true);
536 	if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
537 		frame.colorspace = HDMI_COLORSPACE_YUV444;
538 	else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))
539 		frame.colorspace = HDMI_COLORSPACE_YUV422;
540 	else if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
541 		frame.colorspace = HDMI_COLORSPACE_YUV420;
542 	else
543 		frame.colorspace = HDMI_COLORSPACE_RGB;
544 
545 	/* Set up colorimetry */
546 	if (!hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
547 		switch (hdmi->hdmi_data.enc_out_encoding) {
548 		case V4L2_YCBCR_ENC_601:
549 			if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601)
550 				frame.colorimetry = HDMI_COLORIMETRY_EXTENDED;
551 			else
552 				frame.colorimetry = HDMI_COLORIMETRY_ITU_601;
553 			frame.extended_colorimetry =
554 					HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
555 			break;
556 		case V4L2_YCBCR_ENC_709:
557 			if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV709)
558 				frame.colorimetry = HDMI_COLORIMETRY_EXTENDED;
559 			else
560 				frame.colorimetry = HDMI_COLORIMETRY_ITU_709;
561 			frame.extended_colorimetry =
562 					HDMI_EXTENDED_COLORIMETRY_XV_YCC_709;
563 			break;
564 		default: /* Carries no data */
565 			frame.colorimetry = HDMI_COLORIMETRY_ITU_601;
566 			frame.extended_colorimetry =
567 					HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
568 			break;
569 		}
570 	}
571 
572 	frame.scan_mode = HDMI_SCAN_MODE_NONE;
573 	frame.video_code = hdmi->vic;
574 
575 	hdmi_avi_infoframe_pack_only(&frame, buff, 17);
576 
577 	/*
578 	 * The Designware IP uses a different byte format from standard
579 	 * AVI info frames, though generally the bits are in the correct
580 	 * bytes.
581 	 */
582 
583 	val = (frame.version << 8) | (frame.length << 16);
584 	hdmi_writel(hdmi, val, PKT_AVI_CONTENTS0);
585 
586 	for (i = 0; i < 4; i++) {
587 		for (j = 0; j < 4; j++) {
588 			if (i * 4 + j >= 14)
589 				break;
590 			if (!j)
591 				val = buff[i * 4 + j + 3];
592 			val |= buff[i * 4 + j + 3] << (8 * j);
593 		}
594 
595 		hdmi_writel(hdmi, val, PKT_AVI_CONTENTS1 + i * 4);
596 	}
597 
598 	hdmi_modb(hdmi, 0, PKTSCHED_AVI_FIELDRATE, PKTSCHED_PKT_CONFIG1);
599 
600 	hdmi_modb(hdmi, PKTSCHED_AVI_TX_EN | PKTSCHED_GCP_TX_EN,
601 		  PKTSCHED_AVI_TX_EN | PKTSCHED_GCP_TX_EN,
602 		  PKTSCHED_PKT_EN);
603 }
604 
605 static void hdmi_config_CVTEM(struct dw_hdmi_qp *hdmi,
606 			      struct dw_hdmi_link_config *link_cfg)
607 {
608 	u8 ds_type = 0;
609 	u8 sync = 1;
610 	u8 vfr = 1;
611 	u8 afr = 0;
612 	u8 new = 1;
613 	u8 end = 0;
614 	u8 data_set_length = 136;
615 	u8 hb1[6] = { 0x80, 0, 0, 0, 0, 0x40 };
616 	u8 *pps_body;
617 	u32 val, i, reg;
618 	struct drm_display_mode *mode = &hdmi->previous_mode;
619 	int hsync, hfront, hback;
620 
621 	hdmi_modb(hdmi, 0, PKTSCHED_EMP_CVTEM_TX_EN, PKTSCHED_PKT_EN);
622 
623 	if (!link_cfg->dsc_mode) {
624 		printf("don't use dsc mode\n");
625 		return;
626 	}
627 
628 	pps_body = link_cfg->pps_payload;
629 
630 	hsync = mode->hsync_end - mode->hsync_start;
631 	hback = mode->htotal - mode->hsync_end;
632 	hfront = mode->hsync_start - mode->hdisplay;
633 
634 	for (i = 0; i < 6; i++) {
635 		val = i << 16 | hb1[i] << 8;
636 		hdmi_writel(hdmi, val, PKT0_EMP_CVTEM_CONTENTS0 + i * 0x20);
637 	}
638 
639 	val = new << 7 | end << 6 | ds_type << 4 | afr << 3 |
640 	      vfr << 2 | sync << 1;
641 	hdmi_writel(hdmi, val, PKT0_EMP_CVTEM_CONTENTS1);
642 
643 	val = data_set_length << 16 | pps_body[0] << 24;
644 	hdmi_writel(hdmi, val, PKT0_EMP_CVTEM_CONTENTS2);
645 
646 	reg = PKT0_EMP_CVTEM_CONTENTS3;
647 	for (i = 1; i < 125; i++) {
648 		if (reg == PKT1_EMP_CVTEM_CONTENTS0 ||
649 		    reg == PKT2_EMP_CVTEM_CONTENTS0 ||
650 		    reg == PKT3_EMP_CVTEM_CONTENTS0 ||
651 		    reg == PKT4_EMP_CVTEM_CONTENTS0 ||
652 		    reg == PKT5_EMP_CVTEM_CONTENTS0) {
653 			reg += 4;
654 			i--;
655 			continue;
656 		}
657 		if (i % 4 == 1)
658 			val = pps_body[i];
659 		if (i % 4 == 2)
660 			val |= pps_body[i] << 8;
661 		if (i % 4 == 3)
662 			val |= pps_body[i] << 16;
663 		if (!(i % 4)) {
664 			val |= pps_body[i] << 24;
665 			hdmi_writel(hdmi, val, reg);
666 			reg += 4;
667 		}
668 	}
669 
670 	val = (hfront & 0xff) << 24 | pps_body[127] << 16 |
671 	      pps_body[126] << 8 | pps_body[125];
672 	hdmi_writel(hdmi, val, PKT4_EMP_CVTEM_CONTENTS6);
673 
674 	val = (hback & 0xff) << 24 | ((hsync >> 8) & 0xff) << 16 |
675 	      (hsync & 0xff) << 8 | ((hfront >> 8) & 0xff);
676 	hdmi_writel(hdmi, val, PKT4_EMP_CVTEM_CONTENTS7);
677 
678 	val = link_cfg->hcactive << 8 | ((hback >> 8) & 0xff);
679 	hdmi_writel(hdmi, val, PKT5_EMP_CVTEM_CONTENTS1);
680 
681 	for (i = PKT5_EMP_CVTEM_CONTENTS2; i <= PKT5_EMP_CVTEM_CONTENTS7; i += 4)
682 		hdmi_writel(hdmi, 0, i);
683 
684 	hdmi_modb(hdmi, PKTSCHED_EMP_CVTEM_TX_EN, PKTSCHED_EMP_CVTEM_TX_EN,
685 		  PKTSCHED_PKT_EN);
686 }
687 
688 static int hdmi_set_frl_mask(int frl_rate)
689 {
690 	switch (frl_rate) {
691 	case 48:
692 		return FRL_12GBPS_4LANE;
693 	case 40:
694 		return FRL_10GBPS_4LANE;
695 	case 32:
696 		return FRL_8GBPS_4LANE;
697 	case 24:
698 		return FRL_6GBPS_4LANE;
699 	case 18:
700 		return FRL_6GBPS_3LANE;
701 	case 9:
702 		return FRL_3GBPS_3LANE;
703 	}
704 
705 	return 0;
706 }
707 
708 static int hdmi_start_flt(struct dw_hdmi_qp *hdmi, u8 rate)
709 {
710 	u8 val;
711 	u32 value;
712 	u8 ffe_lv = 0;
713 	int i = 0;
714 	bool ltsp = false;
715 
716 	hdmi_modb(hdmi, BIT(6), BIT(6), 0x44);
717 	/* FLT_READY & FFE_LEVELS read */
718 	for (i = 0; i < 20; i++) {
719 		drm_scdc_readb(&hdmi->adap, SCDC_STATUS_FLAGS_0, &val);
720 		if (val & BIT(6))
721 			break;
722 		mdelay(20);
723 	}
724 
725 	if (i == 20) {
726 		dev_err(hdmi->dev, "sink flt isn't ready\n");
727 		return -EINVAL;
728 	}
729 
730 	/* max ffe level 3 */
731 	val = 0 << 4 | hdmi_set_frl_mask(rate);
732 	drm_scdc_writeb(&hdmi->adap, 0x31, val);
733 
734 	/* select FRL_RATE & FFE_LEVELS */
735 	hdmi_writel(hdmi, ffe_lv, FLT_CONFIG0);
736 
737 	while (1) {
738 		mdelay(4);
739 		drm_scdc_readb(&hdmi->adap, 0x10, &val);
740 
741 		if (!(val & 0x30))
742 			continue;
743 
744 		if (val & BIT(5)) {
745 			u8 reg_val, ln0, ln1, ln2, ln3;
746 
747 			drm_scdc_readb(&hdmi->adap, 0x41, &reg_val);
748 			ln0 = reg_val & 0xf;
749 			ln1 = (reg_val >> 4) & 0xf;
750 
751 			drm_scdc_readb(&hdmi->adap, 0x42, &reg_val);
752 			ln2 = reg_val & 0xf;
753 			ln3 = (reg_val >> 4) & 0xf;
754 
755 			if (!ln0 && !ln1 && !ln2 && !ln3) {
756 				printf("ltsp!\n");
757 				ltsp = true;
758 				hdmi_writel(hdmi, 0, FLT_CONFIG1);
759 			} else if ((ln0 == 0xf) | (ln1 == 0xf) | (ln2 == 0xf) | (ln3 == 0xf)) {
760 				printf("lts4!\n");
761 				break;
762 			} else if ((ln0 == 0xe) | (ln1 == 0xe) | (ln2 == 0xe) | (ln3 == 0xe)) {
763 				printf("ffe!\n");
764 				break;
765 			} else {
766 				value = (ln3 << 16) | (ln2 << 12) | (ln1 << 8) | (ln0 << 4) | 0xf;
767 				hdmi_writel(hdmi, value, FLT_CONFIG1);
768 			}
769 		}
770 
771 		drm_scdc_writeb(&hdmi->adap, 0x10, val);
772 
773 		if ((val & BIT(4)) && ltsp) {
774 			printf("flt success\n");
775 			break;
776 		}
777 	}
778 
779 	hdmi_modb(hdmi, 0, BIT(6), 0x44);
780 	return 0;
781 }
782 
783 #define HDMI_MODE_FRL_MASK     BIT(30)
784 
785 static void hdmi_set_op_mode(struct dw_hdmi_qp *hdmi,
786 			     struct dw_hdmi_link_config *link_cfg,
787 			     bool scdc_support)
788 {
789 	int frl_rate;
790 	int i;
791 
792 	hdmi_writel(hdmi, 0, FLT_CONFIG0);
793 	if (scdc_support)
794 		drm_scdc_writeb(&hdmi->adap, 0x31, 0);
795 	mdelay(200);
796 	if (!link_cfg->frl_mode) {
797 		printf("dw hdmi qp use tmds mode\n");
798 		hdmi_modb(hdmi, 0, OPMODE_FRL, LINK_CONFIG0);
799 		hdmi_modb(hdmi, 0, OPMODE_FRL_4LANES, LINK_CONFIG0);
800 		return;
801 	}
802 
803 	if (link_cfg->frl_lanes == 4)
804 		hdmi_modb(hdmi, OPMODE_FRL_4LANES, OPMODE_FRL_4LANES,
805 			  LINK_CONFIG0);
806 	else
807 		hdmi_modb(hdmi, 0, OPMODE_FRL_4LANES, LINK_CONFIG0);
808 
809 	hdmi_modb(hdmi, 1, OPMODE_FRL, LINK_CONFIG0);
810 
811 	frl_rate = link_cfg->frl_lanes * link_cfg->rate_per_lane;
812 	hdmi_start_flt(hdmi, frl_rate);
813 
814 	for (i = 0; i < 50; i++) {
815 		hdmi_modb(hdmi, PKTSCHED_NULL_TX_EN, PKTSCHED_NULL_TX_EN, PKTSCHED_PKT_EN);
816 		mdelay(1);
817 		hdmi_modb(hdmi, 0, PKTSCHED_NULL_TX_EN, PKTSCHED_PKT_EN);
818 	}
819 }
820 
821 static int dw_hdmi_setup(struct dw_hdmi_qp *hdmi,
822 			 struct drm_display_mode *mode,
823 			 struct display_state *state)
824 {
825 	int ret;
826 	void *data = hdmi->plat_data->phy_data;
827 	struct dw_hdmi_link_config *link_cfg;
828 	struct drm_hdmi_info *hdmi_info = &hdmi->edid_data.display_info.hdmi;
829 	struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode;
830 	u8 bytes = 0;
831 
832 	if (!hdmi->vic)
833 		printf("Non-CEA mode used in HDMI\n");
834 	else
835 		printf("CEA mode used vic=%d\n", hdmi->vic);
836 
837 	vmode->mpixelclock = mode->clock * 1000;
838 	vmode->mtmdsclock = hdmi_get_tmdsclock(hdmi, vmode->mpixelclock);
839 	if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
840 		vmode->mtmdsclock /= 2;
841 	printf("mtmdsclock:%d\n", vmode->mtmdsclock);
842 
843 	if (hdmi->plat_data->get_enc_out_encoding)
844 		hdmi->hdmi_data.enc_out_encoding =
845 			hdmi->plat_data->get_enc_out_encoding(data);
846 	else if (hdmi->vic == 6 || hdmi->vic == 7 ||
847 		 hdmi->vic == 21 || hdmi->vic == 22 ||
848 		 hdmi->vic == 2 || hdmi->vic == 3 ||
849 		 hdmi->vic == 17 || hdmi->vic == 18)
850 		hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_601;
851 	else
852 		hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_709;
853 
854 	if (mode->flags & DRM_MODE_FLAG_DBLCLK) {
855 		hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 1;
856 		hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 1;
857 	} else {
858 		hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0;
859 		hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0;
860 	}
861 
862 	/* TOFIX: Get input encoding from plat data or fallback to none */
863 	if (hdmi->plat_data->get_enc_in_encoding)
864 		hdmi->hdmi_data.enc_in_encoding =
865 			hdmi->plat_data->get_enc_in_encoding(data);
866 	else if (hdmi->plat_data->input_bus_encoding)
867 		hdmi->hdmi_data.enc_in_encoding =
868 			hdmi->plat_data->input_bus_encoding;
869 	else
870 		hdmi->hdmi_data.enc_in_encoding = V4L2_YCBCR_ENC_DEFAULT;
871 
872 	if (hdmi->plat_data->get_quant_range)
873 		hdmi->hdmi_data.quant_range =
874 			hdmi->plat_data->get_quant_range(data);
875 	else
876 		hdmi->hdmi_data.quant_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
877 
878 	/*
879 	 * According to the dw-hdmi specification 6.4.2
880 	 * vp_pr_cd[3:0]:
881 	 * 0000b: No pixel repetition (pixel sent only once)
882 	 * 0001b: Pixel sent two times (pixel repeated once)
883 	 */
884 	hdmi->hdmi_data.pix_repet_factor =
885 		(mode->flags & DRM_MODE_FLAG_DBLCLK) ? 1 : 0;
886 	hdmi->hdmi_data.video_mode.mdataenablepolarity = true;
887 
888 	/* HDMI Initialization Step B.2 */
889 	ret = hdmi->phy.ops->init(hdmi->rk_hdmi, state);
890 	if (ret)
891 		return ret;
892 	hdmi->phy.enabled = true;
893 
894 	rk3588_set_grf_cfg(hdmi->rk_hdmi);
895 	link_cfg = dw_hdmi_rockchip_get_link_cfg(hdmi->rk_hdmi);
896 
897 	/* not for DVI mode */
898 	if (hdmi->sink_is_hdmi) {
899 		printf("%s HDMI mode\n", __func__);
900 		hdmi_modb(hdmi, 0, OPMODE_DVI, LINK_CONFIG0);
901 		hdmi_modb(hdmi, HDCP2_BYPASS, HDCP2_BYPASS, HDCP2LOGIC_CONFIG0);
902 		if (!link_cfg->frl_mode) {
903 			if (vmode->mtmdsclock > HDMI14_MAX_TMDSCLK) {
904 				drm_scdc_readb(&hdmi->adap, SCDC_SINK_VERSION, &bytes);
905 				drm_scdc_writeb(&hdmi->adap, SCDC_SOURCE_VERSION,
906 						min_t(u8, bytes, SCDC_MIN_SOURCE_VERSION));
907 				drm_scdc_set_high_tmds_clock_ratio(&hdmi->adap, 1);
908 				drm_scdc_set_scrambling(&hdmi->adap, 1);
909 				hdmi_writel(hdmi, 1, SCRAMB_CONFIG0);
910 			} else {
911 				if (hdmi_info->scdc.supported) {
912 					drm_scdc_set_high_tmds_clock_ratio(&hdmi->adap, 0);
913 					drm_scdc_set_scrambling(&hdmi->adap, 0);
914 				}
915 				hdmi_writel(hdmi, 0, SCRAMB_CONFIG0);
916 			}
917 		}
918 		/* HDMI Initialization Step F - Configure AVI InfoFrame */
919 		hdmi_config_AVI(hdmi, mode);
920 		hdmi_config_CVTEM(hdmi, link_cfg);
921 		hdmi_set_op_mode(hdmi, link_cfg, hdmi_info->scdc.supported);
922 	} else {
923 		hdmi_modb(hdmi, OPMODE_DVI, OPMODE_DVI, LINK_CONFIG0);
924 		printf("%s DVI mode\n", __func__);
925 	}
926 
927 	return 0;
928 }
929 
930 int dw_hdmi_detect_hotplug(struct dw_hdmi_qp *hdmi,
931 			   struct display_state *state)
932 {
933 	struct connector_state *conn_state = &state->conn_state;
934 	int ret;
935 
936 	ret = hdmi->phy.ops->read_hpd(hdmi->rk_hdmi);
937 	if (ret || state->force_output) {
938 		if (!hdmi->id)
939 			conn_state->output_if |= VOP_OUTPUT_IF_HDMI0;
940 		else
941 			conn_state->output_if |= VOP_OUTPUT_IF_HDMI1;
942 	}
943 
944 	return ret;
945 }
946 
947 int rockchip_dw_hdmi_qp_pre_init(struct display_state *state)
948 {
949 	struct connector_state *conn_state = &state->conn_state;
950 
951 	conn_state->type = DRM_MODE_CONNECTOR_HDMIA;
952 
953 	return 0;
954 }
955 
956 int rockchip_dw_hdmi_qp_init(struct display_state *state)
957 {
958 	struct connector_state *conn_state = &state->conn_state;
959 	const struct rockchip_connector *connector = conn_state->connector;
960 	const struct dw_hdmi_plat_data *pdata = connector->data;
961 	void *rk_hdmi = dev_get_priv(conn_state->dev);
962 	struct dw_hdmi_qp *hdmi;
963 	struct drm_display_mode *mode_buf;
964 	ofnode hdmi_node = conn_state->node;
965 	struct device_node *ddc_node;
966 
967 	hdmi = malloc(sizeof(struct dw_hdmi_qp));
968 	if (!hdmi)
969 		return -ENOMEM;
970 
971 	memset(hdmi, 0, sizeof(struct dw_hdmi_qp));
972 	mode_buf = malloc(MODE_LEN * sizeof(struct drm_display_mode));
973 	if (!mode_buf)
974 		return -ENOMEM;
975 
976 	hdmi->rk_hdmi = rk_hdmi;
977 	hdmi->id = of_alias_get_id(ofnode_to_np(hdmi_node), "hdmi");
978 	if (hdmi->id < 0)
979 		hdmi->id = 0;
980 	conn_state->disp_info = rockchip_get_disp_info(conn_state->type, hdmi->id);
981 
982 	memset(mode_buf, 0, MODE_LEN * sizeof(struct drm_display_mode));
983 
984 	hdmi->regs = dev_read_addr_ptr(conn_state->dev);
985 
986 	ddc_node = of_parse_phandle(ofnode_to_np(hdmi_node), "ddc-i2c-bus", 0);
987 	if (ddc_node) {
988 		uclass_get_device_by_ofnode(UCLASS_I2C, np_to_ofnode(ddc_node),
989 					    &hdmi->adap.i2c_bus);
990 		if (hdmi->adap.i2c_bus)
991 			hdmi->adap.ops = i2c_get_ops(hdmi->adap.i2c_bus);
992 	}
993 
994 	hdmi->i2c = malloc(sizeof(struct dw_hdmi_i2c));
995 	if (!hdmi->i2c)
996 		return -ENOMEM;
997 	hdmi->adap.ddc_xfer = dw_hdmi_i2c_xfer;
998 
999 	/*
1000 	 * Read high and low time from device tree. If not available use
1001 	 * the default timing scl clock rate is about 99.6KHz.
1002 	 */
1003 	hdmi->i2c->scl_high_ns =
1004 		ofnode_read_s32_default(hdmi_node,
1005 					"ddc-i2c-scl-high-time-ns", 4708);
1006 	hdmi->i2c->scl_low_ns =
1007 		ofnode_read_s32_default(hdmi_node,
1008 					"ddc-i2c-scl-low-time-ns", 4916);
1009 
1010 	dw_hdmi_i2c_init(hdmi);
1011 	conn_state->output_mode = ROCKCHIP_OUT_MODE_AAAA;
1012 
1013 	hdmi->dev_type = pdata->dev_type;
1014 	hdmi->plat_data = pdata;
1015 	hdmi->edid_data.mode_buf = mode_buf;
1016 
1017 	conn_state->private = hdmi;
1018 
1019 	dw_hdmi_detect_phy(hdmi);
1020 	hdmi_writel(hdmi, 0, MAINUNIT_0_INT_MASK_N);
1021 	hdmi_writel(hdmi, 0, MAINUNIT_1_INT_MASK_N);
1022 	hdmi_writel(hdmi, 428571429, TIMER_BASE_CONFIG0);
1023 
1024 	dw_hdmi_qp_set_iomux(hdmi->rk_hdmi);
1025 
1026 	return 0;
1027 }
1028 
1029 void rockchip_dw_hdmi_qp_deinit(struct display_state *state)
1030 {
1031 	struct connector_state *conn_state = &state->conn_state;
1032 	struct dw_hdmi_qp *hdmi = conn_state->private;
1033 
1034 	if (hdmi->i2c)
1035 		free(hdmi->i2c);
1036 	if (hdmi->edid_data.mode_buf)
1037 		free(hdmi->edid_data.mode_buf);
1038 	if (hdmi)
1039 		free(hdmi);
1040 }
1041 
1042 int rockchip_dw_hdmi_qp_prepare(struct display_state *state)
1043 {
1044 	return 0;
1045 }
1046 
1047 static void dw_hdmi_disable(struct dw_hdmi_qp *hdmi, struct display_state *state)
1048 {
1049 	if (hdmi->phy.enabled) {
1050 		hdmi->phy.ops->disable(hdmi->rk_hdmi, state);
1051 		hdmi->phy.enabled = false;
1052 	}
1053 }
1054 
1055 int rockchip_dw_hdmi_qp_enable(struct display_state *state)
1056 {
1057 	struct connector_state *conn_state = &state->conn_state;
1058 	struct drm_display_mode *mode = &conn_state->mode;
1059 	struct dw_hdmi_qp *hdmi = conn_state->private;
1060 
1061 	if (!hdmi)
1062 		return -EFAULT;
1063 
1064 	/* Store the display mode for plugin/DKMS poweron events */
1065 	memcpy(&hdmi->previous_mode, mode, sizeof(hdmi->previous_mode));
1066 
1067 	dw_hdmi_setup(hdmi, mode, state);
1068 
1069 	return 0;
1070 }
1071 
1072 int rockchip_dw_hdmi_qp_disable(struct display_state *state)
1073 {
1074 	struct connector_state *conn_state = &state->conn_state;
1075 	struct dw_hdmi_qp *hdmi = conn_state->private;
1076 
1077 	dw_hdmi_disable(hdmi, state);
1078 	return 0;
1079 }
1080 
1081 int rockchip_dw_hdmi_qp_get_timing(struct display_state *state)
1082 {
1083 	int ret, i;
1084 	struct connector_state *conn_state = &state->conn_state;
1085 	struct drm_display_mode *mode = &conn_state->mode;
1086 	struct dw_hdmi_qp *hdmi = conn_state->private;
1087 	struct edid *edid = (struct edid *)conn_state->edid;
1088 	unsigned int bus_format;
1089 	unsigned long enc_out_encoding;
1090 	struct overscan *overscan = &conn_state->overscan;
1091 	const u8 def_modes_vic[6] = {4, 16, 2, 17, 31, 19};
1092 
1093 	if (!hdmi)
1094 		return -EFAULT;
1095 
1096 	ret = drm_do_get_edid(&hdmi->adap, conn_state->edid);
1097 	if (!ret) {
1098 		hdmi->sink_is_hdmi =
1099 			drm_detect_hdmi_monitor(edid);
1100 		hdmi->sink_has_audio = drm_detect_monitor_audio(edid);
1101 		ret = drm_add_edid_modes(&hdmi->edid_data, conn_state->edid);
1102 	}
1103 	if (ret < 0) {
1104 		hdmi->sink_is_hdmi = true;
1105 		hdmi->sink_has_audio = true;
1106 		do_cea_modes(&hdmi->edid_data, def_modes_vic,
1107 			     sizeof(def_modes_vic));
1108 		hdmi->edid_data.preferred_mode = &hdmi->edid_data.mode_buf[0];
1109 		printf("failed to get edid\n");
1110 	}
1111 	drm_rk_filter_whitelist(&hdmi->edid_data);
1112 	if (hdmi->phy.ops->mode_valid)
1113 		hdmi->phy.ops->mode_valid(hdmi->rk_hdmi, state);
1114 	drm_mode_max_resolution_filter(&hdmi->edid_data,
1115 				       &state->crtc_state.max_output);
1116 	if (!drm_mode_prune_invalid(&hdmi->edid_data)) {
1117 		printf("can't find valid hdmi mode\n");
1118 		return -EINVAL;
1119 	}
1120 
1121 	for (i = 0; i < hdmi->edid_data.modes; i++)
1122 		hdmi->edid_data.mode_buf[i].vrefresh =
1123 			drm_mode_vrefresh(&hdmi->edid_data.mode_buf[i]);
1124 
1125 	drm_mode_sort(&hdmi->edid_data);
1126 	dw_hdmi_qp_selete_output(&hdmi->edid_data, conn_state, &bus_format,
1127 				 overscan, hdmi->dev_type,
1128 				 hdmi->output_bus_format_rgb, hdmi->rk_hdmi,
1129 				 state);
1130 
1131 	*mode = *hdmi->edid_data.preferred_mode;
1132 	hdmi->vic = drm_match_cea_mode(mode);
1133 
1134 	printf("mode:%dx%d bus_format:0x%x\n", mode->hdisplay, mode->vdisplay, bus_format);
1135 	conn_state->bus_format = bus_format;
1136 	hdmi->hdmi_data.enc_in_bus_format = bus_format;
1137 	hdmi->hdmi_data.enc_out_bus_format = bus_format;
1138 
1139 	switch (bus_format) {
1140 	case MEDIA_BUS_FMT_UYVY10_1X20:
1141 		conn_state->bus_format = MEDIA_BUS_FMT_YUV10_1X30;
1142 		hdmi->hdmi_data.enc_in_bus_format =
1143 			MEDIA_BUS_FMT_YUV10_1X30;
1144 		break;
1145 	case MEDIA_BUS_FMT_UYVY8_1X16:
1146 		conn_state->bus_format = MEDIA_BUS_FMT_YUV8_1X24;
1147 		hdmi->hdmi_data.enc_in_bus_format =
1148 			MEDIA_BUS_FMT_YUV8_1X24;
1149 		break;
1150 	case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
1151 	case MEDIA_BUS_FMT_UYYVYY10_0_5X30:
1152 		conn_state->output_mode = ROCKCHIP_OUT_MODE_YUV420;
1153 		break;
1154 	}
1155 
1156 	if (hdmi->vic == 6 || hdmi->vic == 7 || hdmi->vic == 21 ||
1157 	    hdmi->vic == 22 || hdmi->vic == 2 || hdmi->vic == 3 ||
1158 	    hdmi->vic == 17 || hdmi->vic == 18)
1159 		enc_out_encoding = V4L2_YCBCR_ENC_601;
1160 	else
1161 		enc_out_encoding = V4L2_YCBCR_ENC_709;
1162 
1163 	if (enc_out_encoding == V4L2_YCBCR_ENC_BT2020)
1164 		conn_state->color_space = V4L2_COLORSPACE_BT2020;
1165 	else if (bus_format == MEDIA_BUS_FMT_RGB888_1X24 ||
1166 		 bus_format == MEDIA_BUS_FMT_RGB101010_1X30)
1167 		conn_state->color_space = V4L2_COLORSPACE_DEFAULT;
1168 	else if (enc_out_encoding == V4L2_YCBCR_ENC_709)
1169 		conn_state->color_space = V4L2_COLORSPACE_REC709;
1170 	else
1171 		conn_state->color_space = V4L2_COLORSPACE_SMPTE170M;
1172 
1173 	return 0;
1174 }
1175 
1176 int rockchip_dw_hdmi_qp_detect(struct display_state *state)
1177 {
1178 	int ret;
1179 	struct connector_state *conn_state = &state->conn_state;
1180 	struct dw_hdmi_qp *hdmi = conn_state->private;
1181 
1182 	if (!hdmi)
1183 		return -EFAULT;
1184 
1185 	ret = dw_hdmi_detect_hotplug(hdmi, state);
1186 
1187 	return ret;
1188 }
1189 
1190 int rockchip_dw_hdmi_qp_get_edid(struct display_state *state)
1191 {
1192 	int ret;
1193 	struct connector_state *conn_state = &state->conn_state;
1194 	struct dw_hdmi_qp *hdmi = conn_state->private;
1195 
1196 	ret = drm_do_get_edid(&hdmi->adap, conn_state->edid);
1197 
1198 	return ret;
1199 }
1200