xref: /linux/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c (revision 3df692169e8486fc3dd91fcd5ea81c27a0bac033)
1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3  * Copyright (c) 2020 Rockchip Electronics Co., Ltd.
4  * Author: Andy Yan <andy.yan@rock-chips.com>
5  */
6 #include <linux/bitfield.h>
7 #include <linux/clk.h>
8 #include <linux/component.h>
9 #include <linux/delay.h>
10 #include <linux/iopoll.h>
11 #include <linux/kernel.h>
12 #include <linux/media-bus-format.h>
13 #include <linux/mfd/syscon.h>
14 #include <linux/module.h>
15 #include <linux/of.h>
16 #include <linux/of_graph.h>
17 #include <linux/platform_device.h>
18 #include <linux/pm_runtime.h>
19 #include <linux/regmap.h>
20 #include <linux/swab.h>
21 
22 #include <drm/drm.h>
23 #include <drm/drm_atomic.h>
24 #include <drm/drm_atomic_uapi.h>
25 #include <drm/drm_blend.h>
26 #include <drm/drm_crtc.h>
27 #include <drm/drm_debugfs.h>
28 #include <drm/drm_flip_work.h>
29 #include <drm/drm_framebuffer.h>
30 #include <drm/drm_probe_helper.h>
31 #include <drm/drm_vblank.h>
32 
33 #include <uapi/linux/videodev2.h>
34 #include <dt-bindings/soc/rockchip,vop2.h>
35 
36 #include "rockchip_drm_drv.h"
37 #include "rockchip_drm_gem.h"
38 #include "rockchip_drm_fb.h"
39 #include "rockchip_drm_vop2.h"
40 #include "rockchip_rgb.h"
41 
42 /*
43  * VOP2 architecture
44  *
45  +----------+   +-------------+                                                        +-----------+
46  |  Cluster |   | Sel 1 from 6|                                                        | 1 from 3  |
47  |  window0 |   |    Layer0   |                                                        |    RGB    |
48  +----------+   +-------------+              +---------------+    +-------------+      +-----------+
49  +----------+   +-------------+              |N from 6 layers|    |             |
50  |  Cluster |   | Sel 1 from 6|              |   Overlay0    +--->| Video Port0 |      +-----------+
51  |  window1 |   |    Layer1   |              |               |    |             |      | 1 from 3  |
52  +----------+   +-------------+              +---------------+    +-------------+      |   LVDS    |
53  +----------+   +-------------+                                                        +-----------+
54  |  Esmart  |   | Sel 1 from 6|
55  |  window0 |   |   Layer2    |              +---------------+    +-------------+      +-----------+
56  +----------+   +-------------+              |N from 6 Layers|    |             | +--> | 1 from 3  |
57  +----------+   +-------------+   -------->  |   Overlay1    +--->| Video Port1 |      |   MIPI    |
58  |  Esmart  |   | Sel 1 from 6|   -------->  |               |    |             |      +-----------+
59  |  Window1 |   |   Layer3    |              +---------------+    +-------------+
60  +----------+   +-------------+                                                        +-----------+
61  +----------+   +-------------+                                                        | 1 from 3  |
62  |  Smart   |   | Sel 1 from 6|              +---------------+    +-------------+      |   HDMI    |
63  |  Window0 |   |    Layer4   |              |N from 6 Layers|    |             |      +-----------+
64  +----------+   +-------------+              |   Overlay2    +--->| Video Port2 |
65  +----------+   +-------------+              |               |    |             |      +-----------+
66  |  Smart   |   | Sel 1 from 6|              +---------------+    +-------------+      |  1 from 3 |
67  |  Window1 |   |    Layer5   |                                                        |    eDP    |
68  +----------+   +-------------+                                                        +-----------+
69  *
70  */
71 
72 enum vop2_data_format {
73 	VOP2_FMT_ARGB8888 = 0,
74 	VOP2_FMT_RGB888,
75 	VOP2_FMT_RGB565,
76 	VOP2_FMT_XRGB101010,
77 	VOP2_FMT_YUV420SP,
78 	VOP2_FMT_YUV422SP,
79 	VOP2_FMT_YUV444SP,
80 	VOP2_FMT_YUYV422 = 8,
81 	VOP2_FMT_YUYV420,
82 	VOP2_FMT_VYUY422,
83 	VOP2_FMT_VYUY420,
84 	VOP2_FMT_YUV420SP_TILE_8x4 = 0x10,
85 	VOP2_FMT_YUV420SP_TILE_16x2,
86 	VOP2_FMT_YUV422SP_TILE_8x4,
87 	VOP2_FMT_YUV422SP_TILE_16x2,
88 	VOP2_FMT_YUV420SP_10,
89 	VOP2_FMT_YUV422SP_10,
90 	VOP2_FMT_YUV444SP_10,
91 };
92 
93 enum vop2_afbc_format {
94 	VOP2_AFBC_FMT_RGB565,
95 	VOP2_AFBC_FMT_ARGB2101010 = 2,
96 	VOP2_AFBC_FMT_YUV420_10BIT,
97 	VOP2_AFBC_FMT_RGB888,
98 	VOP2_AFBC_FMT_ARGB8888,
99 	VOP2_AFBC_FMT_YUV420 = 9,
100 	VOP2_AFBC_FMT_YUV422 = 0xb,
101 	VOP2_AFBC_FMT_YUV422_10BIT = 0xe,
102 	VOP2_AFBC_FMT_INVALID = -1,
103 };
104 
105 union vop2_alpha_ctrl {
106 	u32 val;
107 	struct {
108 		/* [0:1] */
109 		u32 color_mode:1;
110 		u32 alpha_mode:1;
111 		/* [2:3] */
112 		u32 blend_mode:2;
113 		u32 alpha_cal_mode:1;
114 		/* [5:7] */
115 		u32 factor_mode:3;
116 		/* [8:9] */
117 		u32 alpha_en:1;
118 		u32 src_dst_swap:1;
119 		u32 reserved:6;
120 		/* [16:23] */
121 		u32 glb_alpha:8;
122 	} bits;
123 };
124 
125 struct vop2_alpha {
126 	union vop2_alpha_ctrl src_color_ctrl;
127 	union vop2_alpha_ctrl dst_color_ctrl;
128 	union vop2_alpha_ctrl src_alpha_ctrl;
129 	union vop2_alpha_ctrl dst_alpha_ctrl;
130 };
131 
132 struct vop2_alpha_config {
133 	bool src_premulti_en;
134 	bool dst_premulti_en;
135 	bool src_pixel_alpha_en;
136 	bool dst_pixel_alpha_en;
137 	u16 src_glb_alpha_value;
138 	u16 dst_glb_alpha_value;
139 };
140 
141 struct vop2_win {
142 	struct vop2 *vop2;
143 	struct drm_plane base;
144 	const struct vop2_win_data *data;
145 	struct regmap_field *reg[VOP2_WIN_MAX_REG];
146 
147 	/**
148 	 * @win_id: graphic window id, a cluster may be split into two
149 	 * graphics windows.
150 	 */
151 	u8 win_id;
152 	u8 delay;
153 	u32 offset;
154 
155 	enum drm_plane_type type;
156 };
157 
158 struct vop2_video_port {
159 	struct drm_crtc crtc;
160 	struct vop2 *vop2;
161 	struct clk *dclk;
162 	unsigned int id;
163 	const struct vop2_video_port_data *data;
164 
165 	struct completion dsp_hold_completion;
166 
167 	/**
168 	 * @win_mask: Bitmask of windows attached to the video port;
169 	 */
170 	u32 win_mask;
171 
172 	struct vop2_win *primary_plane;
173 	struct drm_pending_vblank_event *event;
174 
175 	unsigned int nlayers;
176 };
177 
178 struct vop2 {
179 	struct device *dev;
180 	struct drm_device *drm;
181 	struct vop2_video_port vps[ROCKCHIP_MAX_CRTC];
182 
183 	const struct vop2_data *data;
184 	/*
185 	 * Number of windows that are registered as plane, may be less than the
186 	 * total number of hardware windows.
187 	 */
188 	u32 registered_num_wins;
189 
190 	void __iomem *regs;
191 	struct regmap *map;
192 
193 	struct regmap *grf;
194 
195 	/* physical map length of vop2 register */
196 	u32 len;
197 
198 	void __iomem *lut_regs;
199 
200 	/* protects crtc enable/disable */
201 	struct mutex vop2_lock;
202 
203 	int irq;
204 
205 	/*
206 	 * Some global resources are shared between all video ports(crtcs), so
207 	 * we need a ref counter here.
208 	 */
209 	unsigned int enable_count;
210 	struct clk *hclk;
211 	struct clk *aclk;
212 
213 	/* optional internal rgb encoder */
214 	struct rockchip_rgb *rgb;
215 
216 	/* must be put at the end of the struct */
217 	struct vop2_win win[];
218 };
219 
220 static struct vop2_video_port *to_vop2_video_port(struct drm_crtc *crtc)
221 {
222 	return container_of(crtc, struct vop2_video_port, crtc);
223 }
224 
225 static struct vop2_win *to_vop2_win(struct drm_plane *p)
226 {
227 	return container_of(p, struct vop2_win, base);
228 }
229 
230 static void vop2_lock(struct vop2 *vop2)
231 {
232 	mutex_lock(&vop2->vop2_lock);
233 }
234 
235 static void vop2_unlock(struct vop2 *vop2)
236 {
237 	mutex_unlock(&vop2->vop2_lock);
238 }
239 
240 static void vop2_writel(struct vop2 *vop2, u32 offset, u32 v)
241 {
242 	regmap_write(vop2->map, offset, v);
243 }
244 
245 static void vop2_vp_write(struct vop2_video_port *vp, u32 offset, u32 v)
246 {
247 	regmap_write(vp->vop2->map, vp->data->offset + offset, v);
248 }
249 
250 static u32 vop2_readl(struct vop2 *vop2, u32 offset)
251 {
252 	u32 val;
253 
254 	regmap_read(vop2->map, offset, &val);
255 
256 	return val;
257 }
258 
259 static void vop2_win_write(const struct vop2_win *win, unsigned int reg, u32 v)
260 {
261 	regmap_field_write(win->reg[reg], v);
262 }
263 
264 static bool vop2_cluster_window(const struct vop2_win *win)
265 {
266 	return win->data->feature & WIN_FEATURE_CLUSTER;
267 }
268 
269 static void vop2_cfg_done(struct vop2_video_port *vp)
270 {
271 	struct vop2 *vop2 = vp->vop2;
272 
273 	regmap_set_bits(vop2->map, RK3568_REG_CFG_DONE,
274 			BIT(vp->id) | RK3568_REG_CFG_DONE__GLB_CFG_DONE_EN);
275 }
276 
277 static void vop2_win_disable(struct vop2_win *win)
278 {
279 	vop2_win_write(win, VOP2_WIN_ENABLE, 0);
280 
281 	if (vop2_cluster_window(win))
282 		vop2_win_write(win, VOP2_WIN_CLUSTER_ENABLE, 0);
283 }
284 
285 static u32 vop2_get_bpp(const struct drm_format_info *format)
286 {
287 	switch (format->format) {
288 	case DRM_FORMAT_YUV420_8BIT:
289 		return 12;
290 	case DRM_FORMAT_YUV420_10BIT:
291 		return 15;
292 	case DRM_FORMAT_VUY101010:
293 		return 30;
294 	default:
295 		return drm_format_info_bpp(format, 0);
296 	}
297 }
298 
299 static enum vop2_data_format vop2_convert_format(u32 format)
300 {
301 	switch (format) {
302 	case DRM_FORMAT_XRGB2101010:
303 	case DRM_FORMAT_ARGB2101010:
304 	case DRM_FORMAT_XBGR2101010:
305 	case DRM_FORMAT_ABGR2101010:
306 		return VOP2_FMT_XRGB101010;
307 	case DRM_FORMAT_XRGB8888:
308 	case DRM_FORMAT_ARGB8888:
309 	case DRM_FORMAT_XBGR8888:
310 	case DRM_FORMAT_ABGR8888:
311 		return VOP2_FMT_ARGB8888;
312 	case DRM_FORMAT_RGB888:
313 	case DRM_FORMAT_BGR888:
314 		return VOP2_FMT_RGB888;
315 	case DRM_FORMAT_RGB565:
316 	case DRM_FORMAT_BGR565:
317 		return VOP2_FMT_RGB565;
318 	case DRM_FORMAT_NV12:
319 	case DRM_FORMAT_NV21:
320 	case DRM_FORMAT_YUV420_8BIT:
321 		return VOP2_FMT_YUV420SP;
322 	case DRM_FORMAT_NV15:
323 	case DRM_FORMAT_YUV420_10BIT:
324 		return VOP2_FMT_YUV420SP_10;
325 	case DRM_FORMAT_NV16:
326 	case DRM_FORMAT_NV61:
327 		return VOP2_FMT_YUV422SP;
328 	case DRM_FORMAT_Y210:
329 		return VOP2_FMT_YUV422SP_10;
330 	case DRM_FORMAT_NV24:
331 	case DRM_FORMAT_NV42:
332 		return VOP2_FMT_YUV444SP;
333 	case DRM_FORMAT_YUYV:
334 	case DRM_FORMAT_YVYU:
335 		return VOP2_FMT_VYUY422;
336 	case DRM_FORMAT_VYUY:
337 	case DRM_FORMAT_UYVY:
338 		return VOP2_FMT_YUYV422;
339 	default:
340 		DRM_ERROR("unsupported format[%08x]\n", format);
341 		return -EINVAL;
342 	}
343 }
344 
345 static enum vop2_afbc_format vop2_convert_afbc_format(u32 format)
346 {
347 	switch (format) {
348 	case DRM_FORMAT_XRGB2101010:
349 	case DRM_FORMAT_ARGB2101010:
350 	case DRM_FORMAT_XBGR2101010:
351 	case DRM_FORMAT_ABGR2101010:
352 		return VOP2_AFBC_FMT_ARGB2101010;
353 	case DRM_FORMAT_XRGB8888:
354 	case DRM_FORMAT_ARGB8888:
355 	case DRM_FORMAT_XBGR8888:
356 	case DRM_FORMAT_ABGR8888:
357 		return VOP2_AFBC_FMT_ARGB8888;
358 	case DRM_FORMAT_RGB888:
359 	case DRM_FORMAT_BGR888:
360 		return VOP2_AFBC_FMT_RGB888;
361 	case DRM_FORMAT_RGB565:
362 	case DRM_FORMAT_BGR565:
363 		return VOP2_AFBC_FMT_RGB565;
364 	case DRM_FORMAT_YUV420_8BIT:
365 		return VOP2_AFBC_FMT_YUV420;
366 	case DRM_FORMAT_YUV420_10BIT:
367 		return VOP2_AFBC_FMT_YUV420_10BIT;
368 	case DRM_FORMAT_YVYU:
369 	case DRM_FORMAT_YUYV:
370 	case DRM_FORMAT_VYUY:
371 	case DRM_FORMAT_UYVY:
372 		return VOP2_AFBC_FMT_YUV422;
373 	case DRM_FORMAT_Y210:
374 		return VOP2_AFBC_FMT_YUV422_10BIT;
375 	default:
376 		return VOP2_AFBC_FMT_INVALID;
377 	}
378 
379 	return VOP2_AFBC_FMT_INVALID;
380 }
381 
382 static bool vop2_win_rb_swap(u32 format)
383 {
384 	switch (format) {
385 	case DRM_FORMAT_XBGR2101010:
386 	case DRM_FORMAT_ABGR2101010:
387 	case DRM_FORMAT_XBGR8888:
388 	case DRM_FORMAT_ABGR8888:
389 	case DRM_FORMAT_BGR888:
390 	case DRM_FORMAT_BGR565:
391 		return true;
392 	default:
393 		return false;
394 	}
395 }
396 
397 static bool vop2_afbc_uv_swap(u32 format)
398 {
399 	switch (format) {
400 	case DRM_FORMAT_YUYV:
401 	case DRM_FORMAT_Y210:
402 	case DRM_FORMAT_YUV420_8BIT:
403 	case DRM_FORMAT_YUV420_10BIT:
404 		return true;
405 	default:
406 		return false;
407 	}
408 }
409 
410 static bool vop2_win_uv_swap(u32 format)
411 {
412 	switch (format) {
413 	case DRM_FORMAT_NV12:
414 	case DRM_FORMAT_NV16:
415 	case DRM_FORMAT_NV24:
416 	case DRM_FORMAT_NV15:
417 	case DRM_FORMAT_YUYV:
418 	case DRM_FORMAT_UYVY:
419 		return true;
420 	default:
421 		return false;
422 	}
423 }
424 
425 static bool vop2_win_dither_up(u32 format)
426 {
427 	switch (format) {
428 	case DRM_FORMAT_BGR565:
429 	case DRM_FORMAT_RGB565:
430 		return true;
431 	default:
432 		return false;
433 	}
434 }
435 
436 static bool vop2_output_uv_swap(u32 bus_format, u32 output_mode)
437 {
438 	/*
439 	 * FIXME:
440 	 *
441 	 * There is no media type for YUV444 output,
442 	 * so when out_mode is AAAA or P888, assume output is YUV444 on
443 	 * yuv format.
444 	 *
445 	 * From H/W testing, YUV444 mode need a rb swap.
446 	 */
447 	if (bus_format == MEDIA_BUS_FMT_YVYU8_1X16 ||
448 	    bus_format == MEDIA_BUS_FMT_VYUY8_1X16 ||
449 	    bus_format == MEDIA_BUS_FMT_YVYU8_2X8 ||
450 	    bus_format == MEDIA_BUS_FMT_VYUY8_2X8 ||
451 	    ((bus_format == MEDIA_BUS_FMT_YUV8_1X24 ||
452 	      bus_format == MEDIA_BUS_FMT_YUV10_1X30) &&
453 	     (output_mode == ROCKCHIP_OUT_MODE_AAAA ||
454 	      output_mode == ROCKCHIP_OUT_MODE_P888)))
455 		return true;
456 	else
457 		return false;
458 }
459 
460 static bool is_yuv_output(u32 bus_format)
461 {
462 	switch (bus_format) {
463 	case MEDIA_BUS_FMT_YUV8_1X24:
464 	case MEDIA_BUS_FMT_YUV10_1X30:
465 	case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
466 	case MEDIA_BUS_FMT_UYYVYY10_0_5X30:
467 	case MEDIA_BUS_FMT_YUYV8_2X8:
468 	case MEDIA_BUS_FMT_YVYU8_2X8:
469 	case MEDIA_BUS_FMT_UYVY8_2X8:
470 	case MEDIA_BUS_FMT_VYUY8_2X8:
471 	case MEDIA_BUS_FMT_YUYV8_1X16:
472 	case MEDIA_BUS_FMT_YVYU8_1X16:
473 	case MEDIA_BUS_FMT_UYVY8_1X16:
474 	case MEDIA_BUS_FMT_VYUY8_1X16:
475 		return true;
476 	default:
477 		return false;
478 	}
479 }
480 
481 static bool rockchip_afbc(struct drm_plane *plane, u64 modifier)
482 {
483 	int i;
484 
485 	if (modifier == DRM_FORMAT_MOD_LINEAR)
486 		return false;
487 
488 	for (i = 0 ; i < plane->modifier_count; i++)
489 		if (plane->modifiers[i] == modifier)
490 			return true;
491 
492 	return false;
493 }
494 
495 static bool rockchip_vop2_mod_supported(struct drm_plane *plane, u32 format,
496 					u64 modifier)
497 {
498 	struct vop2_win *win = to_vop2_win(plane);
499 	struct vop2 *vop2 = win->vop2;
500 
501 	if (modifier == DRM_FORMAT_MOD_INVALID)
502 		return false;
503 
504 	if (modifier == DRM_FORMAT_MOD_LINEAR)
505 		return true;
506 
507 	if (!rockchip_afbc(plane, modifier)) {
508 		drm_dbg_kms(vop2->drm, "Unsupported format modifier 0x%llx\n",
509 			    modifier);
510 
511 		return false;
512 	}
513 
514 	return vop2_convert_afbc_format(format) >= 0;
515 }
516 
517 static u32 vop2_afbc_transform_offset(struct drm_plane_state *pstate,
518 				      bool afbc_half_block_en)
519 {
520 	struct drm_rect *src = &pstate->src;
521 	struct drm_framebuffer *fb = pstate->fb;
522 	u32 bpp = vop2_get_bpp(fb->format);
523 	u32 vir_width = (fb->pitches[0] << 3) / bpp;
524 	u32 width = drm_rect_width(src) >> 16;
525 	u32 height = drm_rect_height(src) >> 16;
526 	u32 act_xoffset = src->x1 >> 16;
527 	u32 act_yoffset = src->y1 >> 16;
528 	u32 align16_crop = 0;
529 	u32 align64_crop = 0;
530 	u32 height_tmp;
531 	u8 tx, ty;
532 	u8 bottom_crop_line_num = 0;
533 
534 	/* 16 pixel align */
535 	if (height & 0xf)
536 		align16_crop = 16 - (height & 0xf);
537 
538 	height_tmp = height + align16_crop;
539 
540 	/* 64 pixel align */
541 	if (height_tmp & 0x3f)
542 		align64_crop = 64 - (height_tmp & 0x3f);
543 
544 	bottom_crop_line_num = align16_crop + align64_crop;
545 
546 	switch (pstate->rotation &
547 		(DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y |
548 		 DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)) {
549 	case DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y:
550 		tx = 16 - ((act_xoffset + width) & 0xf);
551 		ty = bottom_crop_line_num - act_yoffset;
552 		break;
553 	case DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_90:
554 		tx = bottom_crop_line_num - act_yoffset;
555 		ty = vir_width - width - act_xoffset;
556 		break;
557 	case DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_270:
558 		tx = act_yoffset;
559 		ty = act_xoffset;
560 		break;
561 	case DRM_MODE_REFLECT_X:
562 		tx = 16 - ((act_xoffset + width) & 0xf);
563 		ty = act_yoffset;
564 		break;
565 	case DRM_MODE_REFLECT_Y:
566 		tx = act_xoffset;
567 		ty = bottom_crop_line_num - act_yoffset;
568 		break;
569 	case DRM_MODE_ROTATE_90:
570 		tx = bottom_crop_line_num - act_yoffset;
571 		ty = act_xoffset;
572 		break;
573 	case DRM_MODE_ROTATE_270:
574 		tx = act_yoffset;
575 		ty = vir_width - width - act_xoffset;
576 		break;
577 	case 0:
578 		tx = act_xoffset;
579 		ty = act_yoffset;
580 		break;
581 	}
582 
583 	if (afbc_half_block_en)
584 		ty &= 0x7f;
585 
586 #define TRANSFORM_XOFFSET GENMASK(7, 0)
587 #define TRANSFORM_YOFFSET GENMASK(23, 16)
588 	return FIELD_PREP(TRANSFORM_XOFFSET, tx) |
589 		FIELD_PREP(TRANSFORM_YOFFSET, ty);
590 }
591 
592 /*
593  * A Cluster window has 2048 x 16 line buffer, which can
594  * works at 2048 x 16(Full) or 4096 x 8 (Half) mode.
595  * for Cluster_lb_mode register:
596  * 0: half mode, for plane input width range 2048 ~ 4096
597  * 1: half mode, for cluster work at 2 * 2048 plane mode
598  * 2: half mode, for rotate_90/270 mode
599  *
600  */
601 static int vop2_get_cluster_lb_mode(struct vop2_win *win,
602 				    struct drm_plane_state *pstate)
603 {
604 	if ((pstate->rotation & DRM_MODE_ROTATE_270) ||
605 	    (pstate->rotation & DRM_MODE_ROTATE_90))
606 		return 2;
607 	else
608 		return 0;
609 }
610 
611 static u16 vop2_scale_factor(u32 src, u32 dst)
612 {
613 	u32 fac;
614 	int shift;
615 
616 	if (src == dst)
617 		return 0;
618 
619 	if (dst < 2)
620 		return U16_MAX;
621 
622 	if (src < 2)
623 		return 0;
624 
625 	if (src > dst)
626 		shift = 12;
627 	else
628 		shift = 16;
629 
630 	src--;
631 	dst--;
632 
633 	fac = DIV_ROUND_UP(src << shift, dst) - 1;
634 
635 	if (fac > U16_MAX)
636 		return U16_MAX;
637 
638 	return fac;
639 }
640 
641 static void vop2_setup_scale(struct vop2 *vop2, const struct vop2_win *win,
642 			     u32 src_w, u32 src_h, u32 dst_w,
643 			     u32 dst_h, u32 pixel_format)
644 {
645 	const struct drm_format_info *info;
646 	u16 hor_scl_mode, ver_scl_mode;
647 	u16 hscl_filter_mode, vscl_filter_mode;
648 	u8 gt2 = 0;
649 	u8 gt4 = 0;
650 	u32 val;
651 
652 	info = drm_format_info(pixel_format);
653 
654 	if (src_h >= (4 * dst_h)) {
655 		gt4 = 1;
656 		src_h >>= 2;
657 	} else if (src_h >= (2 * dst_h)) {
658 		gt2 = 1;
659 		src_h >>= 1;
660 	}
661 
662 	hor_scl_mode = scl_get_scl_mode(src_w, dst_w);
663 	ver_scl_mode = scl_get_scl_mode(src_h, dst_h);
664 
665 	if (hor_scl_mode == SCALE_UP)
666 		hscl_filter_mode = VOP2_SCALE_UP_BIC;
667 	else
668 		hscl_filter_mode = VOP2_SCALE_DOWN_BIL;
669 
670 	if (ver_scl_mode == SCALE_UP)
671 		vscl_filter_mode = VOP2_SCALE_UP_BIL;
672 	else
673 		vscl_filter_mode = VOP2_SCALE_DOWN_BIL;
674 
675 	/*
676 	 * RK3568 VOP Esmart/Smart dsp_w should be even pixel
677 	 * at scale down mode
678 	 */
679 	if (!(win->data->feature & WIN_FEATURE_AFBDC)) {
680 		if ((hor_scl_mode == SCALE_DOWN) && (dst_w & 0x1)) {
681 			drm_dbg(vop2->drm, "%s dst_w[%d] should align as 2 pixel\n",
682 				win->data->name, dst_w);
683 			dst_w++;
684 		}
685 	}
686 
687 	val = vop2_scale_factor(src_w, dst_w);
688 	vop2_win_write(win, VOP2_WIN_SCALE_YRGB_X, val);
689 	val = vop2_scale_factor(src_h, dst_h);
690 	vop2_win_write(win, VOP2_WIN_SCALE_YRGB_Y, val);
691 
692 	vop2_win_write(win, VOP2_WIN_VSD_YRGB_GT4, gt4);
693 	vop2_win_write(win, VOP2_WIN_VSD_YRGB_GT2, gt2);
694 
695 	vop2_win_write(win, VOP2_WIN_YRGB_HOR_SCL_MODE, hor_scl_mode);
696 	vop2_win_write(win, VOP2_WIN_YRGB_VER_SCL_MODE, ver_scl_mode);
697 
698 	if (vop2_cluster_window(win))
699 		return;
700 
701 	vop2_win_write(win, VOP2_WIN_YRGB_HSCL_FILTER_MODE, hscl_filter_mode);
702 	vop2_win_write(win, VOP2_WIN_YRGB_VSCL_FILTER_MODE, vscl_filter_mode);
703 
704 	if (info->is_yuv) {
705 		src_w /= info->hsub;
706 		src_h /= info->vsub;
707 
708 		gt4 = 0;
709 		gt2 = 0;
710 
711 		if (src_h >= (4 * dst_h)) {
712 			gt4 = 1;
713 			src_h >>= 2;
714 		} else if (src_h >= (2 * dst_h)) {
715 			gt2 = 1;
716 			src_h >>= 1;
717 		}
718 
719 		hor_scl_mode = scl_get_scl_mode(src_w, dst_w);
720 		ver_scl_mode = scl_get_scl_mode(src_h, dst_h);
721 
722 		val = vop2_scale_factor(src_w, dst_w);
723 		vop2_win_write(win, VOP2_WIN_SCALE_CBCR_X, val);
724 
725 		val = vop2_scale_factor(src_h, dst_h);
726 		vop2_win_write(win, VOP2_WIN_SCALE_CBCR_Y, val);
727 
728 		vop2_win_write(win, VOP2_WIN_VSD_CBCR_GT4, gt4);
729 		vop2_win_write(win, VOP2_WIN_VSD_CBCR_GT2, gt2);
730 		vop2_win_write(win, VOP2_WIN_CBCR_HOR_SCL_MODE, hor_scl_mode);
731 		vop2_win_write(win, VOP2_WIN_CBCR_VER_SCL_MODE, ver_scl_mode);
732 		vop2_win_write(win, VOP2_WIN_CBCR_HSCL_FILTER_MODE, hscl_filter_mode);
733 		vop2_win_write(win, VOP2_WIN_CBCR_VSCL_FILTER_MODE, vscl_filter_mode);
734 	}
735 }
736 
737 static int vop2_convert_csc_mode(int csc_mode)
738 {
739 	switch (csc_mode) {
740 	case V4L2_COLORSPACE_SMPTE170M:
741 	case V4L2_COLORSPACE_470_SYSTEM_M:
742 	case V4L2_COLORSPACE_470_SYSTEM_BG:
743 		return CSC_BT601L;
744 	case V4L2_COLORSPACE_REC709:
745 	case V4L2_COLORSPACE_SMPTE240M:
746 	case V4L2_COLORSPACE_DEFAULT:
747 		return CSC_BT709L;
748 	case V4L2_COLORSPACE_JPEG:
749 		return CSC_BT601F;
750 	case V4L2_COLORSPACE_BT2020:
751 		return CSC_BT2020;
752 	default:
753 		return CSC_BT709L;
754 	}
755 }
756 
757 /*
758  * colorspace path:
759  *      Input        Win csc                     Output
760  * 1. YUV(2020)  --> Y2R->2020To709->R2Y   --> YUV_OUTPUT(601/709)
761  *    RGB        --> R2Y                  __/
762  *
763  * 2. YUV(2020)  --> bypasss               --> YUV_OUTPUT(2020)
764  *    RGB        --> 709To2020->R2Y       __/
765  *
766  * 3. YUV(2020)  --> Y2R->2020To709        --> RGB_OUTPUT(709)
767  *    RGB        --> R2Y                  __/
768  *
769  * 4. YUV(601/709)-> Y2R->709To2020->R2Y   --> YUV_OUTPUT(2020)
770  *    RGB        --> 709To2020->R2Y       __/
771  *
772  * 5. YUV(601/709)-> bypass                --> YUV_OUTPUT(709)
773  *    RGB        --> R2Y                  __/
774  *
775  * 6. YUV(601/709)-> bypass                --> YUV_OUTPUT(601)
776  *    RGB        --> R2Y(601)             __/
777  *
778  * 7. YUV        --> Y2R(709)              --> RGB_OUTPUT(709)
779  *    RGB        --> bypass               __/
780  *
781  * 8. RGB        --> 709To2020->R2Y        --> YUV_OUTPUT(2020)
782  *
783  * 9. RGB        --> R2Y(709)              --> YUV_OUTPUT(709)
784  *
785  * 10. RGB       --> R2Y(601)              --> YUV_OUTPUT(601)
786  *
787  * 11. RGB       --> bypass                --> RGB_OUTPUT(709)
788  */
789 
790 static void vop2_setup_csc_mode(struct vop2_video_port *vp,
791 				struct vop2_win *win,
792 				struct drm_plane_state *pstate)
793 {
794 	struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(vp->crtc.state);
795 	int is_input_yuv = pstate->fb->format->is_yuv;
796 	int is_output_yuv = is_yuv_output(vcstate->bus_format);
797 	int input_csc = V4L2_COLORSPACE_DEFAULT;
798 	int output_csc = vcstate->color_space;
799 	bool r2y_en, y2r_en;
800 	int csc_mode;
801 
802 	if (is_input_yuv && !is_output_yuv) {
803 		y2r_en = true;
804 		r2y_en = false;
805 		csc_mode = vop2_convert_csc_mode(input_csc);
806 	} else if (!is_input_yuv && is_output_yuv) {
807 		y2r_en = false;
808 		r2y_en = true;
809 		csc_mode = vop2_convert_csc_mode(output_csc);
810 	} else {
811 		y2r_en = false;
812 		r2y_en = false;
813 		csc_mode = false;
814 	}
815 
816 	vop2_win_write(win, VOP2_WIN_Y2R_EN, y2r_en);
817 	vop2_win_write(win, VOP2_WIN_R2Y_EN, r2y_en);
818 	vop2_win_write(win, VOP2_WIN_CSC_MODE, csc_mode);
819 }
820 
821 static void vop2_crtc_enable_irq(struct vop2_video_port *vp, u32 irq)
822 {
823 	struct vop2 *vop2 = vp->vop2;
824 
825 	vop2_writel(vop2, RK3568_VP_INT_CLR(vp->id), irq << 16 | irq);
826 	vop2_writel(vop2, RK3568_VP_INT_EN(vp->id), irq << 16 | irq);
827 }
828 
829 static void vop2_crtc_disable_irq(struct vop2_video_port *vp, u32 irq)
830 {
831 	struct vop2 *vop2 = vp->vop2;
832 
833 	vop2_writel(vop2, RK3568_VP_INT_EN(vp->id), irq << 16);
834 }
835 
836 static int vop2_core_clks_prepare_enable(struct vop2 *vop2)
837 {
838 	int ret;
839 
840 	ret = clk_prepare_enable(vop2->hclk);
841 	if (ret < 0) {
842 		drm_err(vop2->drm, "failed to enable hclk - %d\n", ret);
843 		return ret;
844 	}
845 
846 	ret = clk_prepare_enable(vop2->aclk);
847 	if (ret < 0) {
848 		drm_err(vop2->drm, "failed to enable aclk - %d\n", ret);
849 		goto err;
850 	}
851 
852 	return 0;
853 err:
854 	clk_disable_unprepare(vop2->hclk);
855 
856 	return ret;
857 }
858 
859 static void vop2_enable(struct vop2 *vop2)
860 {
861 	int ret;
862 
863 	ret = pm_runtime_resume_and_get(vop2->dev);
864 	if (ret < 0) {
865 		drm_err(vop2->drm, "failed to get pm runtime: %d\n", ret);
866 		return;
867 	}
868 
869 	ret = vop2_core_clks_prepare_enable(vop2);
870 	if (ret) {
871 		pm_runtime_put_sync(vop2->dev);
872 		return;
873 	}
874 
875 	ret = rockchip_drm_dma_attach_device(vop2->drm, vop2->dev);
876 	if (ret) {
877 		drm_err(vop2->drm, "failed to attach dma mapping, %d\n", ret);
878 		return;
879 	}
880 
881 	regcache_sync(vop2->map);
882 
883 	if (vop2->data->soc_id == 3566)
884 		vop2_writel(vop2, RK3568_OTP_WIN_EN, 1);
885 
886 	vop2_writel(vop2, RK3568_REG_CFG_DONE, RK3568_REG_CFG_DONE__GLB_CFG_DONE_EN);
887 
888 	/*
889 	 * Disable auto gating, this is a workaround to
890 	 * avoid display image shift when a window enabled.
891 	 */
892 	regmap_clear_bits(vop2->map, RK3568_SYS_AUTO_GATING_CTRL,
893 			  RK3568_SYS_AUTO_GATING_CTRL__AUTO_GATING_EN);
894 
895 	vop2_writel(vop2, RK3568_SYS0_INT_CLR,
896 		    VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR);
897 	vop2_writel(vop2, RK3568_SYS0_INT_EN,
898 		    VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR);
899 	vop2_writel(vop2, RK3568_SYS1_INT_CLR,
900 		    VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR);
901 	vop2_writel(vop2, RK3568_SYS1_INT_EN,
902 		    VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR);
903 }
904 
905 static void vop2_disable(struct vop2 *vop2)
906 {
907 	rockchip_drm_dma_detach_device(vop2->drm, vop2->dev);
908 
909 	pm_runtime_put_sync(vop2->dev);
910 
911 	regcache_mark_dirty(vop2->map);
912 
913 	clk_disable_unprepare(vop2->aclk);
914 	clk_disable_unprepare(vop2->hclk);
915 }
916 
917 static void vop2_crtc_atomic_disable(struct drm_crtc *crtc,
918 				     struct drm_atomic_state *state)
919 {
920 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
921 	struct vop2 *vop2 = vp->vop2;
922 	struct drm_crtc_state *old_crtc_state;
923 	int ret;
924 
925 	vop2_lock(vop2);
926 
927 	old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc);
928 	drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false);
929 
930 	drm_crtc_vblank_off(crtc);
931 
932 	/*
933 	 * Vop standby will take effect at end of current frame,
934 	 * if dsp hold valid irq happen, it means standby complete.
935 	 *
936 	 * we must wait standby complete when we want to disable aclk,
937 	 * if not, memory bus maybe dead.
938 	 */
939 	reinit_completion(&vp->dsp_hold_completion);
940 
941 	vop2_crtc_enable_irq(vp, VP_INT_DSP_HOLD_VALID);
942 
943 	vop2_vp_write(vp, RK3568_VP_DSP_CTRL, RK3568_VP_DSP_CTRL__STANDBY);
944 
945 	ret = wait_for_completion_timeout(&vp->dsp_hold_completion,
946 					  msecs_to_jiffies(50));
947 	if (!ret)
948 		drm_info(vop2->drm, "wait for vp%d dsp_hold timeout\n", vp->id);
949 
950 	vop2_crtc_disable_irq(vp, VP_INT_DSP_HOLD_VALID);
951 
952 	clk_disable_unprepare(vp->dclk);
953 
954 	vop2->enable_count--;
955 
956 	if (!vop2->enable_count)
957 		vop2_disable(vop2);
958 
959 	vop2_unlock(vop2);
960 
961 	if (crtc->state->event && !crtc->state->active) {
962 		spin_lock_irq(&crtc->dev->event_lock);
963 		drm_crtc_send_vblank_event(crtc, crtc->state->event);
964 		spin_unlock_irq(&crtc->dev->event_lock);
965 
966 		crtc->state->event = NULL;
967 	}
968 }
969 
970 static int vop2_plane_atomic_check(struct drm_plane *plane,
971 				   struct drm_atomic_state *astate)
972 {
973 	struct drm_plane_state *pstate = drm_atomic_get_new_plane_state(astate, plane);
974 	struct drm_framebuffer *fb = pstate->fb;
975 	struct drm_crtc *crtc = pstate->crtc;
976 	struct drm_crtc_state *cstate;
977 	struct vop2_video_port *vp;
978 	struct vop2 *vop2;
979 	const struct vop2_data *vop2_data;
980 	struct drm_rect *dest = &pstate->dst;
981 	struct drm_rect *src = &pstate->src;
982 	int min_scale = FRAC_16_16(1, 8);
983 	int max_scale = FRAC_16_16(8, 1);
984 	int format;
985 	int ret;
986 
987 	if (!crtc)
988 		return 0;
989 
990 	vp = to_vop2_video_port(crtc);
991 	vop2 = vp->vop2;
992 	vop2_data = vop2->data;
993 
994 	cstate = drm_atomic_get_existing_crtc_state(pstate->state, crtc);
995 	if (WARN_ON(!cstate))
996 		return -EINVAL;
997 
998 	ret = drm_atomic_helper_check_plane_state(pstate, cstate,
999 						  min_scale, max_scale,
1000 						  true, true);
1001 	if (ret)
1002 		return ret;
1003 
1004 	if (!pstate->visible)
1005 		return 0;
1006 
1007 	format = vop2_convert_format(fb->format->format);
1008 	if (format < 0)
1009 		return format;
1010 
1011 	if (drm_rect_width(src) >> 16 < 4 || drm_rect_height(src) >> 16 < 4 ||
1012 	    drm_rect_width(dest) < 4 || drm_rect_width(dest) < 4) {
1013 		drm_err(vop2->drm, "Invalid size: %dx%d->%dx%d, min size is 4x4\n",
1014 			drm_rect_width(src) >> 16, drm_rect_height(src) >> 16,
1015 			drm_rect_width(dest), drm_rect_height(dest));
1016 		pstate->visible = false;
1017 		return 0;
1018 	}
1019 
1020 	if (drm_rect_width(src) >> 16 > vop2_data->max_input.width ||
1021 	    drm_rect_height(src) >> 16 > vop2_data->max_input.height) {
1022 		drm_err(vop2->drm, "Invalid source: %dx%d. max input: %dx%d\n",
1023 			drm_rect_width(src) >> 16,
1024 			drm_rect_height(src) >> 16,
1025 			vop2_data->max_input.width,
1026 			vop2_data->max_input.height);
1027 		return -EINVAL;
1028 	}
1029 
1030 	/*
1031 	 * Src.x1 can be odd when do clip, but yuv plane start point
1032 	 * need align with 2 pixel.
1033 	 */
1034 	if (fb->format->is_yuv && ((pstate->src.x1 >> 16) % 2)) {
1035 		drm_err(vop2->drm, "Invalid Source: Yuv format not support odd xpos\n");
1036 		return -EINVAL;
1037 	}
1038 
1039 	return 0;
1040 }
1041 
1042 static void vop2_plane_atomic_disable(struct drm_plane *plane,
1043 				      struct drm_atomic_state *state)
1044 {
1045 	struct drm_plane_state *old_pstate = NULL;
1046 	struct vop2_win *win = to_vop2_win(plane);
1047 	struct vop2 *vop2 = win->vop2;
1048 
1049 	drm_dbg(vop2->drm, "%s disable\n", win->data->name);
1050 
1051 	if (state)
1052 		old_pstate = drm_atomic_get_old_plane_state(state, plane);
1053 	if (old_pstate && !old_pstate->crtc)
1054 		return;
1055 
1056 	vop2_win_disable(win);
1057 	vop2_win_write(win, VOP2_WIN_YUV_CLIP, 0);
1058 }
1059 
1060 /*
1061  * The color key is 10 bit, so all format should
1062  * convert to 10 bit here.
1063  */
1064 static void vop2_plane_setup_color_key(struct drm_plane *plane, u32 color_key)
1065 {
1066 	struct drm_plane_state *pstate = plane->state;
1067 	struct drm_framebuffer *fb = pstate->fb;
1068 	struct vop2_win *win = to_vop2_win(plane);
1069 	u32 color_key_en = 0;
1070 	u32 r = 0;
1071 	u32 g = 0;
1072 	u32 b = 0;
1073 
1074 	if (!(color_key & VOP2_COLOR_KEY_MASK) || fb->format->is_yuv) {
1075 		vop2_win_write(win, VOP2_WIN_COLOR_KEY_EN, 0);
1076 		return;
1077 	}
1078 
1079 	switch (fb->format->format) {
1080 	case DRM_FORMAT_RGB565:
1081 	case DRM_FORMAT_BGR565:
1082 		r = (color_key & 0xf800) >> 11;
1083 		g = (color_key & 0x7e0) >> 5;
1084 		b = (color_key & 0x1f);
1085 		r <<= 5;
1086 		g <<= 4;
1087 		b <<= 5;
1088 		color_key_en = 1;
1089 		break;
1090 	case DRM_FORMAT_XRGB8888:
1091 	case DRM_FORMAT_ARGB8888:
1092 	case DRM_FORMAT_XBGR8888:
1093 	case DRM_FORMAT_ABGR8888:
1094 	case DRM_FORMAT_RGB888:
1095 	case DRM_FORMAT_BGR888:
1096 		r = (color_key & 0xff0000) >> 16;
1097 		g = (color_key & 0xff00) >> 8;
1098 		b = (color_key & 0xff);
1099 		r <<= 2;
1100 		g <<= 2;
1101 		b <<= 2;
1102 		color_key_en = 1;
1103 		break;
1104 	}
1105 
1106 	vop2_win_write(win, VOP2_WIN_COLOR_KEY_EN, color_key_en);
1107 	vop2_win_write(win, VOP2_WIN_COLOR_KEY, (r << 20) | (g << 10) | b);
1108 }
1109 
1110 static void vop2_plane_atomic_update(struct drm_plane *plane,
1111 				     struct drm_atomic_state *state)
1112 {
1113 	struct drm_plane_state *pstate = plane->state;
1114 	struct drm_crtc *crtc = pstate->crtc;
1115 	struct vop2_win *win = to_vop2_win(plane);
1116 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1117 	struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode;
1118 	struct vop2 *vop2 = win->vop2;
1119 	struct drm_framebuffer *fb = pstate->fb;
1120 	u32 bpp = vop2_get_bpp(fb->format);
1121 	u32 actual_w, actual_h, dsp_w, dsp_h;
1122 	u32 act_info, dsp_info;
1123 	u32 format;
1124 	u32 afbc_format;
1125 	u32 rb_swap;
1126 	u32 uv_swap;
1127 	struct drm_rect *src = &pstate->src;
1128 	struct drm_rect *dest = &pstate->dst;
1129 	u32 afbc_tile_num;
1130 	u32 transform_offset;
1131 	bool dither_up;
1132 	bool xmirror = pstate->rotation & DRM_MODE_REFLECT_X ? true : false;
1133 	bool ymirror = pstate->rotation & DRM_MODE_REFLECT_Y ? true : false;
1134 	bool rotate_270 = pstate->rotation & DRM_MODE_ROTATE_270;
1135 	bool rotate_90 = pstate->rotation & DRM_MODE_ROTATE_90;
1136 	struct rockchip_gem_object *rk_obj;
1137 	unsigned long offset;
1138 	bool afbc_en;
1139 	dma_addr_t yrgb_mst;
1140 	dma_addr_t uv_mst;
1141 
1142 	/*
1143 	 * can't update plane when vop2 is disabled.
1144 	 */
1145 	if (WARN_ON(!crtc))
1146 		return;
1147 
1148 	if (!pstate->visible) {
1149 		vop2_plane_atomic_disable(plane, state);
1150 		return;
1151 	}
1152 
1153 	afbc_en = rockchip_afbc(plane, fb->modifier);
1154 
1155 	offset = (src->x1 >> 16) * fb->format->cpp[0];
1156 
1157 	/*
1158 	 * AFBC HDR_PTR must set to the zero offset of the framebuffer.
1159 	 */
1160 	if (afbc_en)
1161 		offset = 0;
1162 	else if (pstate->rotation & DRM_MODE_REFLECT_Y)
1163 		offset += ((src->y2 >> 16) - 1) * fb->pitches[0];
1164 	else
1165 		offset += (src->y1 >> 16) * fb->pitches[0];
1166 
1167 	rk_obj = to_rockchip_obj(fb->obj[0]);
1168 
1169 	yrgb_mst = rk_obj->dma_addr + offset + fb->offsets[0];
1170 	if (fb->format->is_yuv) {
1171 		int hsub = fb->format->hsub;
1172 		int vsub = fb->format->vsub;
1173 
1174 		offset = (src->x1 >> 16) * fb->format->cpp[1] / hsub;
1175 		offset += (src->y1 >> 16) * fb->pitches[1] / vsub;
1176 
1177 		if ((pstate->rotation & DRM_MODE_REFLECT_Y) && !afbc_en)
1178 			offset += fb->pitches[1] * ((pstate->src_h >> 16) - 2) / vsub;
1179 
1180 		rk_obj = to_rockchip_obj(fb->obj[0]);
1181 		uv_mst = rk_obj->dma_addr + offset + fb->offsets[1];
1182 	}
1183 
1184 	actual_w = drm_rect_width(src) >> 16;
1185 	actual_h = drm_rect_height(src) >> 16;
1186 	dsp_w = drm_rect_width(dest);
1187 
1188 	if (dest->x1 + dsp_w > adjusted_mode->hdisplay) {
1189 		drm_err(vop2->drm, "vp%d %s dest->x1[%d] + dsp_w[%d] exceed mode hdisplay[%d]\n",
1190 			vp->id, win->data->name, dest->x1, dsp_w, adjusted_mode->hdisplay);
1191 		dsp_w = adjusted_mode->hdisplay - dest->x1;
1192 		if (dsp_w < 4)
1193 			dsp_w = 4;
1194 		actual_w = dsp_w * actual_w / drm_rect_width(dest);
1195 	}
1196 
1197 	dsp_h = drm_rect_height(dest);
1198 
1199 	if (dest->y1 + dsp_h > adjusted_mode->vdisplay) {
1200 		drm_err(vop2->drm, "vp%d %s dest->y1[%d] + dsp_h[%d] exceed mode vdisplay[%d]\n",
1201 			vp->id, win->data->name, dest->y1, dsp_h, adjusted_mode->vdisplay);
1202 		dsp_h = adjusted_mode->vdisplay - dest->y1;
1203 		if (dsp_h < 4)
1204 			dsp_h = 4;
1205 		actual_h = dsp_h * actual_h / drm_rect_height(dest);
1206 	}
1207 
1208 	/*
1209 	 * This is workaround solution for IC design:
1210 	 * esmart can't support scale down when actual_w % 16 == 1.
1211 	 */
1212 	if (!(win->data->feature & WIN_FEATURE_AFBDC)) {
1213 		if (actual_w > dsp_w && (actual_w & 0xf) == 1) {
1214 			drm_err(vop2->drm, "vp%d %s act_w[%d] MODE 16 == 1\n",
1215 				vp->id, win->data->name, actual_w);
1216 			actual_w -= 1;
1217 		}
1218 	}
1219 
1220 	if (afbc_en && actual_w % 4) {
1221 		drm_err(vop2->drm, "vp%d %s actual_w[%d] not 4 pixel aligned\n",
1222 			vp->id, win->data->name, actual_w);
1223 		actual_w = ALIGN_DOWN(actual_w, 4);
1224 	}
1225 
1226 	act_info = (actual_h - 1) << 16 | ((actual_w - 1) & 0xffff);
1227 	dsp_info = (dsp_h - 1) << 16 | ((dsp_w - 1) & 0xffff);
1228 
1229 	format = vop2_convert_format(fb->format->format);
1230 
1231 	drm_dbg(vop2->drm, "vp%d update %s[%dx%d->%dx%d@%dx%d] fmt[%p4cc_%s] addr[%pad]\n",
1232 		vp->id, win->data->name, actual_w, actual_h, dsp_w, dsp_h,
1233 		dest->x1, dest->y1,
1234 		&fb->format->format,
1235 		afbc_en ? "AFBC" : "", &yrgb_mst);
1236 
1237 	if (afbc_en) {
1238 		u32 stride;
1239 
1240 		/* the afbc superblock is 16 x 16 */
1241 		afbc_format = vop2_convert_afbc_format(fb->format->format);
1242 
1243 		/* Enable color transform for YTR */
1244 		if (fb->modifier & AFBC_FORMAT_MOD_YTR)
1245 			afbc_format |= (1 << 4);
1246 
1247 		afbc_tile_num = ALIGN(actual_w, 16) >> 4;
1248 
1249 		/*
1250 		 * AFBC pic_vir_width is count by pixel, this is different
1251 		 * with WIN_VIR_STRIDE.
1252 		 */
1253 		stride = (fb->pitches[0] << 3) / bpp;
1254 		if ((stride & 0x3f) && (xmirror || rotate_90 || rotate_270))
1255 			drm_err(vop2->drm, "vp%d %s stride[%d] not 64 pixel aligned\n",
1256 				vp->id, win->data->name, stride);
1257 
1258 		uv_swap = vop2_afbc_uv_swap(fb->format->format);
1259 		/*
1260 		 * This is a workaround for crazy IC design, Cluster
1261 		 * and Esmart/Smart use different format configuration map:
1262 		 * YUV420_10BIT: 0x10 for Cluster, 0x14 for Esmart/Smart.
1263 		 *
1264 		 * This is one thing we can make the convert simple:
1265 		 * AFBCD decode all the YUV data to YUV444. So we just
1266 		 * set all the yuv 10 bit to YUV444_10.
1267 		 */
1268 		if (fb->format->is_yuv && bpp == 10)
1269 			format = VOP2_CLUSTER_YUV444_10;
1270 
1271 		if (vop2_cluster_window(win))
1272 			vop2_win_write(win, VOP2_WIN_AFBC_ENABLE, 1);
1273 		vop2_win_write(win, VOP2_WIN_AFBC_FORMAT, afbc_format);
1274 		vop2_win_write(win, VOP2_WIN_AFBC_UV_SWAP, uv_swap);
1275 		vop2_win_write(win, VOP2_WIN_AFBC_AUTO_GATING_EN, 0);
1276 		vop2_win_write(win, VOP2_WIN_AFBC_BLOCK_SPLIT_EN, 0);
1277 		if (pstate->rotation & (DRM_MODE_ROTATE_270 | DRM_MODE_ROTATE_90)) {
1278 			vop2_win_write(win, VOP2_WIN_AFBC_HALF_BLOCK_EN, 0);
1279 			transform_offset = vop2_afbc_transform_offset(pstate, false);
1280 		} else {
1281 			vop2_win_write(win, VOP2_WIN_AFBC_HALF_BLOCK_EN, 1);
1282 			transform_offset = vop2_afbc_transform_offset(pstate, true);
1283 		}
1284 		vop2_win_write(win, VOP2_WIN_AFBC_HDR_PTR, yrgb_mst);
1285 		vop2_win_write(win, VOP2_WIN_AFBC_PIC_SIZE, act_info);
1286 		vop2_win_write(win, VOP2_WIN_AFBC_TRANSFORM_OFFSET, transform_offset);
1287 		vop2_win_write(win, VOP2_WIN_AFBC_PIC_OFFSET, ((src->x1 >> 16) | src->y1));
1288 		vop2_win_write(win, VOP2_WIN_AFBC_DSP_OFFSET, (dest->x1 | (dest->y1 << 16)));
1289 		vop2_win_write(win, VOP2_WIN_AFBC_PIC_VIR_WIDTH, stride);
1290 		vop2_win_write(win, VOP2_WIN_AFBC_TILE_NUM, afbc_tile_num);
1291 		vop2_win_write(win, VOP2_WIN_XMIRROR, xmirror);
1292 		vop2_win_write(win, VOP2_WIN_AFBC_ROTATE_270, rotate_270);
1293 		vop2_win_write(win, VOP2_WIN_AFBC_ROTATE_90, rotate_90);
1294 	} else {
1295 		vop2_win_write(win, VOP2_WIN_YRGB_VIR, DIV_ROUND_UP(fb->pitches[0], 4));
1296 	}
1297 
1298 	vop2_win_write(win, VOP2_WIN_YMIRROR, ymirror);
1299 
1300 	if (rotate_90 || rotate_270) {
1301 		act_info = swahw32(act_info);
1302 		actual_w = drm_rect_height(src) >> 16;
1303 		actual_h = drm_rect_width(src) >> 16;
1304 	}
1305 
1306 	vop2_win_write(win, VOP2_WIN_FORMAT, format);
1307 	vop2_win_write(win, VOP2_WIN_YRGB_MST, yrgb_mst);
1308 
1309 	rb_swap = vop2_win_rb_swap(fb->format->format);
1310 	vop2_win_write(win, VOP2_WIN_RB_SWAP, rb_swap);
1311 	if (!vop2_cluster_window(win)) {
1312 		uv_swap = vop2_win_uv_swap(fb->format->format);
1313 		vop2_win_write(win, VOP2_WIN_UV_SWAP, uv_swap);
1314 	}
1315 
1316 	if (fb->format->is_yuv) {
1317 		vop2_win_write(win, VOP2_WIN_UV_VIR, DIV_ROUND_UP(fb->pitches[1], 4));
1318 		vop2_win_write(win, VOP2_WIN_UV_MST, uv_mst);
1319 	}
1320 
1321 	vop2_setup_scale(vop2, win, actual_w, actual_h, dsp_w, dsp_h, fb->format->format);
1322 	if (!vop2_cluster_window(win))
1323 		vop2_plane_setup_color_key(plane, 0);
1324 	vop2_win_write(win, VOP2_WIN_ACT_INFO, act_info);
1325 	vop2_win_write(win, VOP2_WIN_DSP_INFO, dsp_info);
1326 	vop2_win_write(win, VOP2_WIN_DSP_ST, dest->y1 << 16 | (dest->x1 & 0xffff));
1327 
1328 	vop2_setup_csc_mode(vp, win, pstate);
1329 
1330 	dither_up = vop2_win_dither_up(fb->format->format);
1331 	vop2_win_write(win, VOP2_WIN_DITHER_UP, dither_up);
1332 
1333 	vop2_win_write(win, VOP2_WIN_ENABLE, 1);
1334 
1335 	if (vop2_cluster_window(win)) {
1336 		int lb_mode = vop2_get_cluster_lb_mode(win, pstate);
1337 
1338 		vop2_win_write(win, VOP2_WIN_CLUSTER_LB_MODE, lb_mode);
1339 		vop2_win_write(win, VOP2_WIN_CLUSTER_ENABLE, 1);
1340 	}
1341 }
1342 
1343 static const struct drm_plane_helper_funcs vop2_plane_helper_funcs = {
1344 	.atomic_check = vop2_plane_atomic_check,
1345 	.atomic_update = vop2_plane_atomic_update,
1346 	.atomic_disable = vop2_plane_atomic_disable,
1347 };
1348 
1349 static const struct drm_plane_funcs vop2_plane_funcs = {
1350 	.update_plane	= drm_atomic_helper_update_plane,
1351 	.disable_plane	= drm_atomic_helper_disable_plane,
1352 	.destroy = drm_plane_cleanup,
1353 	.reset = drm_atomic_helper_plane_reset,
1354 	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
1355 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
1356 	.format_mod_supported = rockchip_vop2_mod_supported,
1357 };
1358 
1359 static int vop2_crtc_enable_vblank(struct drm_crtc *crtc)
1360 {
1361 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1362 
1363 	vop2_crtc_enable_irq(vp, VP_INT_FS_FIELD);
1364 
1365 	return 0;
1366 }
1367 
1368 static void vop2_crtc_disable_vblank(struct drm_crtc *crtc)
1369 {
1370 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1371 
1372 	vop2_crtc_disable_irq(vp, VP_INT_FS_FIELD);
1373 }
1374 
1375 static bool vop2_crtc_mode_fixup(struct drm_crtc *crtc,
1376 				 const struct drm_display_mode *mode,
1377 				 struct drm_display_mode *adj_mode)
1378 {
1379 	drm_mode_set_crtcinfo(adj_mode, CRTC_INTERLACE_HALVE_V |
1380 					CRTC_STEREO_DOUBLE);
1381 
1382 	return true;
1383 }
1384 
1385 static void vop2_dither_setup(struct drm_crtc *crtc, u32 *dsp_ctrl)
1386 {
1387 	struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(crtc->state);
1388 
1389 	switch (vcstate->bus_format) {
1390 	case MEDIA_BUS_FMT_RGB565_1X16:
1391 		*dsp_ctrl |= RK3568_VP_DSP_CTRL__DITHER_DOWN_EN;
1392 		break;
1393 	case MEDIA_BUS_FMT_RGB666_1X18:
1394 	case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
1395 	case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
1396 		*dsp_ctrl |= RK3568_VP_DSP_CTRL__DITHER_DOWN_EN;
1397 		*dsp_ctrl |= RGB888_TO_RGB666;
1398 		break;
1399 	case MEDIA_BUS_FMT_YUV8_1X24:
1400 	case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
1401 		*dsp_ctrl |= RK3568_VP_DSP_CTRL__PRE_DITHER_DOWN_EN;
1402 		break;
1403 	default:
1404 		break;
1405 	}
1406 
1407 	if (vcstate->output_mode != ROCKCHIP_OUT_MODE_AAAA)
1408 		*dsp_ctrl |= RK3568_VP_DSP_CTRL__PRE_DITHER_DOWN_EN;
1409 
1410 	*dsp_ctrl |= FIELD_PREP(RK3568_VP_DSP_CTRL__DITHER_DOWN_SEL,
1411 				DITHER_DOWN_ALLEGRO);
1412 }
1413 
1414 static void vop2_post_config(struct drm_crtc *crtc)
1415 {
1416 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1417 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;
1418 	u16 vtotal = mode->crtc_vtotal;
1419 	u16 hdisplay = mode->crtc_hdisplay;
1420 	u16 hact_st = mode->crtc_htotal - mode->crtc_hsync_start;
1421 	u16 vdisplay = mode->crtc_vdisplay;
1422 	u16 vact_st = mode->crtc_vtotal - mode->crtc_vsync_start;
1423 	u32 left_margin = 100, right_margin = 100;
1424 	u32 top_margin = 100, bottom_margin = 100;
1425 	u16 hsize = hdisplay * (left_margin + right_margin) / 200;
1426 	u16 vsize = vdisplay * (top_margin + bottom_margin) / 200;
1427 	u16 hact_end, vact_end;
1428 	u32 val;
1429 
1430 	vsize = rounddown(vsize, 2);
1431 	hsize = rounddown(hsize, 2);
1432 	hact_st += hdisplay * (100 - left_margin) / 200;
1433 	hact_end = hact_st + hsize;
1434 	val = hact_st << 16;
1435 	val |= hact_end;
1436 	vop2_vp_write(vp, RK3568_VP_POST_DSP_HACT_INFO, val);
1437 	vact_st += vdisplay * (100 - top_margin) / 200;
1438 	vact_end = vact_st + vsize;
1439 	val = vact_st << 16;
1440 	val |= vact_end;
1441 	vop2_vp_write(vp, RK3568_VP_POST_DSP_VACT_INFO, val);
1442 	val = scl_cal_scale2(vdisplay, vsize) << 16;
1443 	val |= scl_cal_scale2(hdisplay, hsize);
1444 	vop2_vp_write(vp, RK3568_VP_POST_SCL_FACTOR_YRGB, val);
1445 
1446 	val = 0;
1447 	if (hdisplay != hsize)
1448 		val |= RK3568_VP_POST_SCL_CTRL__HSCALEDOWN;
1449 	if (vdisplay != vsize)
1450 		val |= RK3568_VP_POST_SCL_CTRL__VSCALEDOWN;
1451 	vop2_vp_write(vp, RK3568_VP_POST_SCL_CTRL, val);
1452 
1453 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1454 		u16 vact_st_f1 = vtotal + vact_st + 1;
1455 		u16 vact_end_f1 = vact_st_f1 + vsize;
1456 
1457 		val = vact_st_f1 << 16 | vact_end_f1;
1458 		vop2_vp_write(vp, RK3568_VP_POST_DSP_VACT_INFO_F1, val);
1459 	}
1460 
1461 	vop2_vp_write(vp, RK3568_VP_DSP_BG, 0);
1462 }
1463 
1464 static void rk3568_set_intf_mux(struct vop2_video_port *vp, int id,
1465 				u32 polflags)
1466 {
1467 	struct vop2 *vop2 = vp->vop2;
1468 	u32 die, dip;
1469 
1470 	die = vop2_readl(vop2, RK3568_DSP_IF_EN);
1471 	dip = vop2_readl(vop2, RK3568_DSP_IF_POL);
1472 
1473 	switch (id) {
1474 	case ROCKCHIP_VOP2_EP_RGB0:
1475 		die &= ~RK3568_SYS_DSP_INFACE_EN_RGB_MUX;
1476 		die |= RK3568_SYS_DSP_INFACE_EN_RGB |
1477 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_RGB_MUX, vp->id);
1478 		dip &= ~RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL;
1479 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL, polflags);
1480 		if (polflags & POLFLAG_DCLK_INV)
1481 			regmap_write(vop2->grf, RK3568_GRF_VO_CON1, BIT(3 + 16) | BIT(3));
1482 		else
1483 			regmap_write(vop2->grf, RK3568_GRF_VO_CON1, BIT(3 + 16));
1484 		break;
1485 	case ROCKCHIP_VOP2_EP_HDMI0:
1486 		die &= ~RK3568_SYS_DSP_INFACE_EN_HDMI_MUX;
1487 		die |= RK3568_SYS_DSP_INFACE_EN_HDMI |
1488 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_HDMI_MUX, vp->id);
1489 		dip &= ~RK3568_DSP_IF_POL__HDMI_PIN_POL;
1490 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__HDMI_PIN_POL, polflags);
1491 		break;
1492 	case ROCKCHIP_VOP2_EP_EDP0:
1493 		die &= ~RK3568_SYS_DSP_INFACE_EN_EDP_MUX;
1494 		die |= RK3568_SYS_DSP_INFACE_EN_EDP |
1495 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_EDP_MUX, vp->id);
1496 		dip &= ~RK3568_DSP_IF_POL__EDP_PIN_POL;
1497 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__EDP_PIN_POL, polflags);
1498 		break;
1499 	case ROCKCHIP_VOP2_EP_MIPI0:
1500 		die &= ~RK3568_SYS_DSP_INFACE_EN_MIPI0_MUX;
1501 		die |= RK3568_SYS_DSP_INFACE_EN_MIPI0 |
1502 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_MIPI0_MUX, vp->id);
1503 		dip &= ~RK3568_DSP_IF_POL__MIPI_PIN_POL;
1504 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__MIPI_PIN_POL, polflags);
1505 		break;
1506 	case ROCKCHIP_VOP2_EP_MIPI1:
1507 		die &= ~RK3568_SYS_DSP_INFACE_EN_MIPI1_MUX;
1508 		die |= RK3568_SYS_DSP_INFACE_EN_MIPI1 |
1509 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_MIPI1_MUX, vp->id);
1510 		dip &= ~RK3568_DSP_IF_POL__MIPI_PIN_POL;
1511 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__MIPI_PIN_POL, polflags);
1512 		break;
1513 	case ROCKCHIP_VOP2_EP_LVDS0:
1514 		die &= ~RK3568_SYS_DSP_INFACE_EN_LVDS0_MUX;
1515 		die |= RK3568_SYS_DSP_INFACE_EN_LVDS0 |
1516 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_LVDS0_MUX, vp->id);
1517 		dip &= ~RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL;
1518 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL, polflags);
1519 		break;
1520 	case ROCKCHIP_VOP2_EP_LVDS1:
1521 		die &= ~RK3568_SYS_DSP_INFACE_EN_LVDS1_MUX;
1522 		die |= RK3568_SYS_DSP_INFACE_EN_LVDS1 |
1523 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_LVDS1_MUX, vp->id);
1524 		dip &= ~RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL;
1525 		dip |= FIELD_PREP(RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL, polflags);
1526 		break;
1527 	default:
1528 		drm_err(vop2->drm, "Invalid interface id %d on vp%d\n", id, vp->id);
1529 		return;
1530 	}
1531 
1532 	dip |= RK3568_DSP_IF_POL__CFG_DONE_IMD;
1533 
1534 	vop2_writel(vop2, RK3568_DSP_IF_EN, die);
1535 	vop2_writel(vop2, RK3568_DSP_IF_POL, dip);
1536 }
1537 
1538 static int us_to_vertical_line(struct drm_display_mode *mode, int us)
1539 {
1540 	return us * mode->clock / mode->htotal / 1000;
1541 }
1542 
1543 static void vop2_crtc_atomic_enable(struct drm_crtc *crtc,
1544 				    struct drm_atomic_state *state)
1545 {
1546 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1547 	struct vop2 *vop2 = vp->vop2;
1548 	const struct vop2_data *vop2_data = vop2->data;
1549 	const struct vop2_video_port_data *vp_data = &vop2_data->vp[vp->id];
1550 	struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
1551 	struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(crtc->state);
1552 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;
1553 	unsigned long clock = mode->crtc_clock * 1000;
1554 	u16 hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
1555 	u16 hdisplay = mode->crtc_hdisplay;
1556 	u16 htotal = mode->crtc_htotal;
1557 	u16 hact_st = mode->crtc_htotal - mode->crtc_hsync_start;
1558 	u16 hact_end = hact_st + hdisplay;
1559 	u16 vdisplay = mode->crtc_vdisplay;
1560 	u16 vtotal = mode->crtc_vtotal;
1561 	u16 vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
1562 	u16 vact_st = mode->crtc_vtotal - mode->crtc_vsync_start;
1563 	u16 vact_end = vact_st + vdisplay;
1564 	u8 out_mode;
1565 	u32 dsp_ctrl = 0;
1566 	int act_end;
1567 	u32 val, polflags;
1568 	int ret;
1569 	struct drm_encoder *encoder;
1570 
1571 	drm_dbg(vop2->drm, "Update mode to %dx%d%s%d, type: %d for vp%d\n",
1572 		hdisplay, vdisplay, mode->flags & DRM_MODE_FLAG_INTERLACE ? "i" : "p",
1573 		drm_mode_vrefresh(mode), vcstate->output_type, vp->id);
1574 
1575 	vop2_lock(vop2);
1576 
1577 	ret = clk_prepare_enable(vp->dclk);
1578 	if (ret < 0) {
1579 		drm_err(vop2->drm, "failed to enable dclk for video port%d - %d\n",
1580 			vp->id, ret);
1581 		vop2_unlock(vop2);
1582 		return;
1583 	}
1584 
1585 	if (!vop2->enable_count)
1586 		vop2_enable(vop2);
1587 
1588 	vop2->enable_count++;
1589 
1590 	vop2_crtc_enable_irq(vp, VP_INT_POST_BUF_EMPTY);
1591 
1592 	polflags = 0;
1593 	if (vcstate->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE)
1594 		polflags |= POLFLAG_DCLK_INV;
1595 	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
1596 		polflags |= BIT(HSYNC_POSITIVE);
1597 	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
1598 		polflags |= BIT(VSYNC_POSITIVE);
1599 
1600 	drm_for_each_encoder_mask(encoder, crtc->dev, crtc_state->encoder_mask) {
1601 		struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder);
1602 
1603 		rk3568_set_intf_mux(vp, rkencoder->crtc_endpoint_id, polflags);
1604 	}
1605 
1606 	if (vcstate->output_mode == ROCKCHIP_OUT_MODE_AAAA &&
1607 	    !(vp_data->feature & VOP_FEATURE_OUTPUT_10BIT))
1608 		out_mode = ROCKCHIP_OUT_MODE_P888;
1609 	else
1610 		out_mode = vcstate->output_mode;
1611 
1612 	dsp_ctrl |= FIELD_PREP(RK3568_VP_DSP_CTRL__OUT_MODE, out_mode);
1613 
1614 	if (vop2_output_uv_swap(vcstate->bus_format, vcstate->output_mode))
1615 		dsp_ctrl |= RK3568_VP_DSP_CTRL__DSP_RB_SWAP;
1616 
1617 	if (is_yuv_output(vcstate->bus_format))
1618 		dsp_ctrl |= RK3568_VP_DSP_CTRL__POST_DSP_OUT_R2Y;
1619 
1620 	vop2_dither_setup(crtc, &dsp_ctrl);
1621 
1622 	vop2_vp_write(vp, RK3568_VP_DSP_HTOTAL_HS_END, (htotal << 16) | hsync_len);
1623 	val = hact_st << 16;
1624 	val |= hact_end;
1625 	vop2_vp_write(vp, RK3568_VP_DSP_HACT_ST_END, val);
1626 
1627 	val = vact_st << 16;
1628 	val |= vact_end;
1629 	vop2_vp_write(vp, RK3568_VP_DSP_VACT_ST_END, val);
1630 
1631 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1632 		u16 vact_st_f1 = vtotal + vact_st + 1;
1633 		u16 vact_end_f1 = vact_st_f1 + vdisplay;
1634 
1635 		val = vact_st_f1 << 16 | vact_end_f1;
1636 		vop2_vp_write(vp, RK3568_VP_DSP_VACT_ST_END_F1, val);
1637 
1638 		val = vtotal << 16 | (vtotal + vsync_len);
1639 		vop2_vp_write(vp, RK3568_VP_DSP_VS_ST_END_F1, val);
1640 		dsp_ctrl |= RK3568_VP_DSP_CTRL__DSP_INTERLACE;
1641 		dsp_ctrl |= RK3568_VP_DSP_CTRL__DSP_FILED_POL;
1642 		dsp_ctrl |= RK3568_VP_DSP_CTRL__P2I_EN;
1643 		vtotal += vtotal + 1;
1644 		act_end = vact_end_f1;
1645 	} else {
1646 		act_end = vact_end;
1647 	}
1648 
1649 	vop2_writel(vop2, RK3568_VP_LINE_FLAG(vp->id),
1650 		    (act_end - us_to_vertical_line(mode, 0)) << 16 | act_end);
1651 
1652 	vop2_vp_write(vp, RK3568_VP_DSP_VTOTAL_VS_END, vtotal << 16 | vsync_len);
1653 
1654 	if (mode->flags & DRM_MODE_FLAG_DBLCLK) {
1655 		dsp_ctrl |= RK3568_VP_DSP_CTRL__CORE_DCLK_DIV;
1656 		clock *= 2;
1657 	}
1658 
1659 	vop2_vp_write(vp, RK3568_VP_MIPI_CTRL, 0);
1660 
1661 	clk_set_rate(vp->dclk, clock);
1662 
1663 	vop2_post_config(crtc);
1664 
1665 	vop2_cfg_done(vp);
1666 
1667 	vop2_vp_write(vp, RK3568_VP_DSP_CTRL, dsp_ctrl);
1668 
1669 	drm_crtc_vblank_on(crtc);
1670 
1671 	vop2_unlock(vop2);
1672 }
1673 
1674 static int vop2_crtc_atomic_check(struct drm_crtc *crtc,
1675 				  struct drm_atomic_state *state)
1676 {
1677 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
1678 	struct drm_plane *plane;
1679 	int nplanes = 0;
1680 	struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
1681 
1682 	drm_atomic_crtc_state_for_each_plane(plane, crtc_state)
1683 		nplanes++;
1684 
1685 	if (nplanes > vp->nlayers)
1686 		return -EINVAL;
1687 
1688 	return 0;
1689 }
1690 
1691 static bool is_opaque(u16 alpha)
1692 {
1693 	return (alpha >> 8) == 0xff;
1694 }
1695 
1696 static void vop2_parse_alpha(struct vop2_alpha_config *alpha_config,
1697 			     struct vop2_alpha *alpha)
1698 {
1699 	int src_glb_alpha_en = is_opaque(alpha_config->src_glb_alpha_value) ? 0 : 1;
1700 	int dst_glb_alpha_en = is_opaque(alpha_config->dst_glb_alpha_value) ? 0 : 1;
1701 	int src_color_mode = alpha_config->src_premulti_en ?
1702 				ALPHA_SRC_PRE_MUL : ALPHA_SRC_NO_PRE_MUL;
1703 	int dst_color_mode = alpha_config->dst_premulti_en ?
1704 				ALPHA_SRC_PRE_MUL : ALPHA_SRC_NO_PRE_MUL;
1705 
1706 	alpha->src_color_ctrl.val = 0;
1707 	alpha->dst_color_ctrl.val = 0;
1708 	alpha->src_alpha_ctrl.val = 0;
1709 	alpha->dst_alpha_ctrl.val = 0;
1710 
1711 	if (!alpha_config->src_pixel_alpha_en)
1712 		alpha->src_color_ctrl.bits.blend_mode = ALPHA_GLOBAL;
1713 	else if (alpha_config->src_pixel_alpha_en && !src_glb_alpha_en)
1714 		alpha->src_color_ctrl.bits.blend_mode = ALPHA_PER_PIX;
1715 	else
1716 		alpha->src_color_ctrl.bits.blend_mode = ALPHA_PER_PIX_GLOBAL;
1717 
1718 	alpha->src_color_ctrl.bits.alpha_en = 1;
1719 
1720 	if (alpha->src_color_ctrl.bits.blend_mode == ALPHA_GLOBAL) {
1721 		alpha->src_color_ctrl.bits.color_mode = src_color_mode;
1722 		alpha->src_color_ctrl.bits.factor_mode = SRC_FAC_ALPHA_SRC_GLOBAL;
1723 	} else if (alpha->src_color_ctrl.bits.blend_mode == ALPHA_PER_PIX) {
1724 		alpha->src_color_ctrl.bits.color_mode = src_color_mode;
1725 		alpha->src_color_ctrl.bits.factor_mode = SRC_FAC_ALPHA_ONE;
1726 	} else {
1727 		alpha->src_color_ctrl.bits.color_mode = ALPHA_SRC_PRE_MUL;
1728 		alpha->src_color_ctrl.bits.factor_mode = SRC_FAC_ALPHA_SRC_GLOBAL;
1729 	}
1730 	alpha->src_color_ctrl.bits.glb_alpha = alpha_config->src_glb_alpha_value >> 8;
1731 	alpha->src_color_ctrl.bits.alpha_mode = ALPHA_STRAIGHT;
1732 	alpha->src_color_ctrl.bits.alpha_cal_mode = ALPHA_SATURATION;
1733 
1734 	alpha->dst_color_ctrl.bits.alpha_mode = ALPHA_STRAIGHT;
1735 	alpha->dst_color_ctrl.bits.alpha_cal_mode = ALPHA_SATURATION;
1736 	alpha->dst_color_ctrl.bits.blend_mode = ALPHA_GLOBAL;
1737 	alpha->dst_color_ctrl.bits.glb_alpha = alpha_config->dst_glb_alpha_value >> 8;
1738 	alpha->dst_color_ctrl.bits.color_mode = dst_color_mode;
1739 	alpha->dst_color_ctrl.bits.factor_mode = ALPHA_SRC_INVERSE;
1740 
1741 	alpha->src_alpha_ctrl.bits.alpha_mode = ALPHA_STRAIGHT;
1742 	alpha->src_alpha_ctrl.bits.blend_mode = alpha->src_color_ctrl.bits.blend_mode;
1743 	alpha->src_alpha_ctrl.bits.alpha_cal_mode = ALPHA_SATURATION;
1744 	alpha->src_alpha_ctrl.bits.factor_mode = ALPHA_ONE;
1745 
1746 	alpha->dst_alpha_ctrl.bits.alpha_mode = ALPHA_STRAIGHT;
1747 	if (alpha_config->dst_pixel_alpha_en && !dst_glb_alpha_en)
1748 		alpha->dst_alpha_ctrl.bits.blend_mode = ALPHA_PER_PIX;
1749 	else
1750 		alpha->dst_alpha_ctrl.bits.blend_mode = ALPHA_PER_PIX_GLOBAL;
1751 	alpha->dst_alpha_ctrl.bits.alpha_cal_mode = ALPHA_NO_SATURATION;
1752 	alpha->dst_alpha_ctrl.bits.factor_mode = ALPHA_SRC_INVERSE;
1753 }
1754 
1755 static int vop2_find_start_mixer_id_for_vp(struct vop2 *vop2, u8 port_id)
1756 {
1757 	struct vop2_video_port *vp;
1758 	int used_layer = 0;
1759 	int i;
1760 
1761 	for (i = 0; i < port_id; i++) {
1762 		vp = &vop2->vps[i];
1763 		used_layer += hweight32(vp->win_mask);
1764 	}
1765 
1766 	return used_layer;
1767 }
1768 
1769 static void vop2_setup_cluster_alpha(struct vop2 *vop2, struct vop2_win *main_win)
1770 {
1771 	u32 offset = (main_win->data->phys_id * 0x10);
1772 	struct vop2_alpha_config alpha_config;
1773 	struct vop2_alpha alpha;
1774 	struct drm_plane_state *bottom_win_pstate;
1775 	bool src_pixel_alpha_en = false;
1776 	u16 src_glb_alpha_val, dst_glb_alpha_val;
1777 	bool premulti_en = false;
1778 	bool swap = false;
1779 
1780 	/* At one win mode, win0 is dst/bottom win, and win1 is a all zero src/top win */
1781 	bottom_win_pstate = main_win->base.state;
1782 	src_glb_alpha_val = 0;
1783 	dst_glb_alpha_val = main_win->base.state->alpha;
1784 
1785 	if (!bottom_win_pstate->fb)
1786 		return;
1787 
1788 	alpha_config.src_premulti_en = premulti_en;
1789 	alpha_config.dst_premulti_en = false;
1790 	alpha_config.src_pixel_alpha_en = src_pixel_alpha_en;
1791 	alpha_config.dst_pixel_alpha_en = true; /* alpha value need transfer to next mix */
1792 	alpha_config.src_glb_alpha_value = src_glb_alpha_val;
1793 	alpha_config.dst_glb_alpha_value = dst_glb_alpha_val;
1794 	vop2_parse_alpha(&alpha_config, &alpha);
1795 
1796 	alpha.src_color_ctrl.bits.src_dst_swap = swap;
1797 	vop2_writel(vop2, RK3568_CLUSTER0_MIX_SRC_COLOR_CTRL + offset,
1798 		    alpha.src_color_ctrl.val);
1799 	vop2_writel(vop2, RK3568_CLUSTER0_MIX_DST_COLOR_CTRL + offset,
1800 		    alpha.dst_color_ctrl.val);
1801 	vop2_writel(vop2, RK3568_CLUSTER0_MIX_SRC_ALPHA_CTRL + offset,
1802 		    alpha.src_alpha_ctrl.val);
1803 	vop2_writel(vop2, RK3568_CLUSTER0_MIX_DST_ALPHA_CTRL + offset,
1804 		    alpha.dst_alpha_ctrl.val);
1805 }
1806 
1807 static void vop2_setup_alpha(struct vop2_video_port *vp)
1808 {
1809 	struct vop2 *vop2 = vp->vop2;
1810 	struct drm_framebuffer *fb;
1811 	struct vop2_alpha_config alpha_config;
1812 	struct vop2_alpha alpha;
1813 	struct drm_plane *plane;
1814 	int pixel_alpha_en;
1815 	int premulti_en, gpremulti_en = 0;
1816 	int mixer_id;
1817 	u32 offset;
1818 	bool bottom_layer_alpha_en = false;
1819 	u32 dst_global_alpha = DRM_BLEND_ALPHA_OPAQUE;
1820 
1821 	mixer_id = vop2_find_start_mixer_id_for_vp(vop2, vp->id);
1822 	alpha_config.dst_pixel_alpha_en = true; /* alpha value need transfer to next mix */
1823 
1824 	drm_atomic_crtc_for_each_plane(plane, &vp->crtc) {
1825 		struct vop2_win *win = to_vop2_win(plane);
1826 
1827 		if (plane->state->normalized_zpos == 0 &&
1828 		    !is_opaque(plane->state->alpha) &&
1829 		    !vop2_cluster_window(win)) {
1830 			/*
1831 			 * If bottom layer have global alpha effect [except cluster layer,
1832 			 * because cluster have deal with bottom layer global alpha value
1833 			 * at cluster mix], bottom layer mix need deal with global alpha.
1834 			 */
1835 			bottom_layer_alpha_en = true;
1836 			dst_global_alpha = plane->state->alpha;
1837 		}
1838 	}
1839 
1840 	drm_atomic_crtc_for_each_plane(plane, &vp->crtc) {
1841 		struct vop2_win *win = to_vop2_win(plane);
1842 		int zpos = plane->state->normalized_zpos;
1843 
1844 		if (plane->state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI)
1845 			premulti_en = 1;
1846 		else
1847 			premulti_en = 0;
1848 
1849 		plane = &win->base;
1850 		fb = plane->state->fb;
1851 
1852 		pixel_alpha_en = fb->format->has_alpha;
1853 
1854 		alpha_config.src_premulti_en = premulti_en;
1855 
1856 		if (bottom_layer_alpha_en && zpos == 1) {
1857 			gpremulti_en = premulti_en;
1858 			/* Cd = Cs + (1 - As) * Cd * Agd */
1859 			alpha_config.dst_premulti_en = false;
1860 			alpha_config.src_pixel_alpha_en = pixel_alpha_en;
1861 			alpha_config.src_glb_alpha_value = plane->state->alpha;
1862 			alpha_config.dst_glb_alpha_value = dst_global_alpha;
1863 		} else if (vop2_cluster_window(win)) {
1864 			/* Mix output data only have pixel alpha */
1865 			alpha_config.dst_premulti_en = true;
1866 			alpha_config.src_pixel_alpha_en = true;
1867 			alpha_config.src_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1868 			alpha_config.dst_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1869 		} else {
1870 			/* Cd = Cs + (1 - As) * Cd */
1871 			alpha_config.dst_premulti_en = true;
1872 			alpha_config.src_pixel_alpha_en = pixel_alpha_en;
1873 			alpha_config.src_glb_alpha_value = plane->state->alpha;
1874 			alpha_config.dst_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1875 		}
1876 
1877 		vop2_parse_alpha(&alpha_config, &alpha);
1878 
1879 		offset = (mixer_id + zpos - 1) * 0x10;
1880 		vop2_writel(vop2, RK3568_MIX0_SRC_COLOR_CTRL + offset,
1881 			    alpha.src_color_ctrl.val);
1882 		vop2_writel(vop2, RK3568_MIX0_DST_COLOR_CTRL + offset,
1883 			    alpha.dst_color_ctrl.val);
1884 		vop2_writel(vop2, RK3568_MIX0_SRC_ALPHA_CTRL + offset,
1885 			    alpha.src_alpha_ctrl.val);
1886 		vop2_writel(vop2, RK3568_MIX0_DST_ALPHA_CTRL + offset,
1887 			    alpha.dst_alpha_ctrl.val);
1888 	}
1889 
1890 	if (vp->id == 0) {
1891 		if (bottom_layer_alpha_en) {
1892 			/* Transfer pixel alpha to hdr mix */
1893 			alpha_config.src_premulti_en = gpremulti_en;
1894 			alpha_config.dst_premulti_en = true;
1895 			alpha_config.src_pixel_alpha_en = true;
1896 			alpha_config.src_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1897 			alpha_config.dst_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE;
1898 			vop2_parse_alpha(&alpha_config, &alpha);
1899 
1900 			vop2_writel(vop2, RK3568_HDR0_SRC_COLOR_CTRL,
1901 				    alpha.src_color_ctrl.val);
1902 			vop2_writel(vop2, RK3568_HDR0_DST_COLOR_CTRL,
1903 				    alpha.dst_color_ctrl.val);
1904 			vop2_writel(vop2, RK3568_HDR0_SRC_ALPHA_CTRL,
1905 				    alpha.src_alpha_ctrl.val);
1906 			vop2_writel(vop2, RK3568_HDR0_DST_ALPHA_CTRL,
1907 				    alpha.dst_alpha_ctrl.val);
1908 		} else {
1909 			vop2_writel(vop2, RK3568_HDR0_SRC_COLOR_CTRL, 0);
1910 		}
1911 	}
1912 }
1913 
1914 static void vop2_setup_layer_mixer(struct vop2_video_port *vp)
1915 {
1916 	struct vop2 *vop2 = vp->vop2;
1917 	struct drm_plane *plane;
1918 	u32 layer_sel = 0;
1919 	u32 port_sel;
1920 	unsigned int nlayer, ofs;
1921 	struct drm_display_mode *adjusted_mode;
1922 	u16 hsync_len;
1923 	u16 hdisplay;
1924 	u32 bg_dly;
1925 	u32 pre_scan_dly;
1926 	int i;
1927 	struct vop2_video_port *vp0 = &vop2->vps[0];
1928 	struct vop2_video_port *vp1 = &vop2->vps[1];
1929 	struct vop2_video_port *vp2 = &vop2->vps[2];
1930 
1931 	adjusted_mode = &vp->crtc.state->adjusted_mode;
1932 	hsync_len = adjusted_mode->crtc_hsync_end - adjusted_mode->crtc_hsync_start;
1933 	hdisplay = adjusted_mode->crtc_hdisplay;
1934 
1935 	bg_dly = vp->data->pre_scan_max_dly[3];
1936 	vop2_writel(vop2, RK3568_VP_BG_MIX_CTRL(vp->id),
1937 		    FIELD_PREP(RK3568_VP_BG_MIX_CTRL__BG_DLY, bg_dly));
1938 
1939 	pre_scan_dly = ((bg_dly + (hdisplay >> 1) - 1) << 16) | hsync_len;
1940 	vop2_vp_write(vp, RK3568_VP_PRE_SCAN_HTIMING, pre_scan_dly);
1941 
1942 	vop2_writel(vop2, RK3568_OVL_CTRL, 0);
1943 	port_sel = vop2_readl(vop2, RK3568_OVL_PORT_SEL);
1944 	port_sel &= RK3568_OVL_PORT_SEL__SEL_PORT;
1945 
1946 	if (vp0->nlayers)
1947 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT0_MUX,
1948 				     vp0->nlayers - 1);
1949 	else
1950 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT0_MUX, 8);
1951 
1952 	if (vp1->nlayers)
1953 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT1_MUX,
1954 				     (vp0->nlayers + vp1->nlayers - 1));
1955 	else
1956 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT1_MUX, 8);
1957 
1958 	if (vp2->nlayers)
1959 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT2_MUX,
1960 			(vp2->nlayers + vp1->nlayers + vp0->nlayers - 1));
1961 	else
1962 		port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT1_MUX, 8);
1963 
1964 	layer_sel = vop2_readl(vop2, RK3568_OVL_LAYER_SEL);
1965 
1966 	ofs = 0;
1967 	for (i = 0; i < vp->id; i++)
1968 		ofs += vop2->vps[i].nlayers;
1969 
1970 	nlayer = 0;
1971 	drm_atomic_crtc_for_each_plane(plane, &vp->crtc) {
1972 		struct vop2_win *win = to_vop2_win(plane);
1973 
1974 		switch (win->data->phys_id) {
1975 		case ROCKCHIP_VOP2_CLUSTER0:
1976 			port_sel &= ~RK3568_OVL_PORT_SEL__CLUSTER0;
1977 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__CLUSTER0, vp->id);
1978 			break;
1979 		case ROCKCHIP_VOP2_CLUSTER1:
1980 			port_sel &= ~RK3568_OVL_PORT_SEL__CLUSTER1;
1981 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__CLUSTER1, vp->id);
1982 			break;
1983 		case ROCKCHIP_VOP2_ESMART0:
1984 			port_sel &= ~RK3568_OVL_PORT_SEL__ESMART0;
1985 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__ESMART0, vp->id);
1986 			break;
1987 		case ROCKCHIP_VOP2_ESMART1:
1988 			port_sel &= ~RK3568_OVL_PORT_SEL__ESMART1;
1989 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__ESMART1, vp->id);
1990 			break;
1991 		case ROCKCHIP_VOP2_SMART0:
1992 			port_sel &= ~RK3568_OVL_PORT_SEL__SMART0;
1993 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__SMART0, vp->id);
1994 			break;
1995 		case ROCKCHIP_VOP2_SMART1:
1996 			port_sel &= ~RK3568_OVL_PORT_SEL__SMART1;
1997 			port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__SMART1, vp->id);
1998 			break;
1999 		}
2000 
2001 		layer_sel &= ~RK3568_OVL_LAYER_SEL__LAYER(plane->state->normalized_zpos + ofs,
2002 							  0x7);
2003 		layer_sel |= RK3568_OVL_LAYER_SEL__LAYER(plane->state->normalized_zpos + ofs,
2004 							 win->data->layer_sel_id);
2005 		nlayer++;
2006 	}
2007 
2008 	/* configure unused layers to 0x5 (reserved) */
2009 	for (; nlayer < vp->nlayers; nlayer++) {
2010 		layer_sel &= ~RK3568_OVL_LAYER_SEL__LAYER(nlayer + ofs, 0x7);
2011 		layer_sel |= RK3568_OVL_LAYER_SEL__LAYER(nlayer + ofs, 5);
2012 	}
2013 
2014 	vop2_writel(vop2, RK3568_OVL_LAYER_SEL, layer_sel);
2015 	vop2_writel(vop2, RK3568_OVL_PORT_SEL, port_sel);
2016 	vop2_writel(vop2, RK3568_OVL_CTRL, RK3568_OVL_CTRL__LAYERSEL_REGDONE_IMD);
2017 }
2018 
2019 static void vop2_setup_dly_for_windows(struct vop2 *vop2)
2020 {
2021 	struct vop2_win *win;
2022 	int i = 0;
2023 	u32 cdly = 0, sdly = 0;
2024 
2025 	for (i = 0; i < vop2->data->win_size; i++) {
2026 		u32 dly;
2027 
2028 		win = &vop2->win[i];
2029 		dly = win->delay;
2030 
2031 		switch (win->data->phys_id) {
2032 		case ROCKCHIP_VOP2_CLUSTER0:
2033 			cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER0_0, dly);
2034 			cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER0_1, dly);
2035 			break;
2036 		case ROCKCHIP_VOP2_CLUSTER1:
2037 			cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER1_0, dly);
2038 			cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER1_1, dly);
2039 			break;
2040 		case ROCKCHIP_VOP2_ESMART0:
2041 			sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__ESMART0, dly);
2042 			break;
2043 		case ROCKCHIP_VOP2_ESMART1:
2044 			sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__ESMART1, dly);
2045 			break;
2046 		case ROCKCHIP_VOP2_SMART0:
2047 			sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__SMART0, dly);
2048 			break;
2049 		case ROCKCHIP_VOP2_SMART1:
2050 			sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__SMART1, dly);
2051 			break;
2052 		}
2053 	}
2054 
2055 	vop2_writel(vop2, RK3568_CLUSTER_DLY_NUM, cdly);
2056 	vop2_writel(vop2, RK3568_SMART_DLY_NUM, sdly);
2057 }
2058 
2059 static void vop2_crtc_atomic_begin(struct drm_crtc *crtc,
2060 				   struct drm_atomic_state *state)
2061 {
2062 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
2063 	struct vop2 *vop2 = vp->vop2;
2064 	struct drm_plane *plane;
2065 
2066 	vp->win_mask = 0;
2067 
2068 	drm_atomic_crtc_for_each_plane(plane, crtc) {
2069 		struct vop2_win *win = to_vop2_win(plane);
2070 
2071 		win->delay = win->data->dly[VOP2_DLY_MODE_DEFAULT];
2072 
2073 		vp->win_mask |= BIT(win->data->phys_id);
2074 
2075 		if (vop2_cluster_window(win))
2076 			vop2_setup_cluster_alpha(vop2, win);
2077 	}
2078 
2079 	if (!vp->win_mask)
2080 		return;
2081 
2082 	vop2_setup_layer_mixer(vp);
2083 	vop2_setup_alpha(vp);
2084 	vop2_setup_dly_for_windows(vop2);
2085 }
2086 
2087 static void vop2_crtc_atomic_flush(struct drm_crtc *crtc,
2088 				   struct drm_atomic_state *state)
2089 {
2090 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
2091 
2092 	vop2_post_config(crtc);
2093 
2094 	vop2_cfg_done(vp);
2095 
2096 	spin_lock_irq(&crtc->dev->event_lock);
2097 
2098 	if (crtc->state->event) {
2099 		WARN_ON(drm_crtc_vblank_get(crtc));
2100 		vp->event = crtc->state->event;
2101 		crtc->state->event = NULL;
2102 	}
2103 
2104 	spin_unlock_irq(&crtc->dev->event_lock);
2105 }
2106 
2107 static const struct drm_crtc_helper_funcs vop2_crtc_helper_funcs = {
2108 	.mode_fixup = vop2_crtc_mode_fixup,
2109 	.atomic_check = vop2_crtc_atomic_check,
2110 	.atomic_begin = vop2_crtc_atomic_begin,
2111 	.atomic_flush = vop2_crtc_atomic_flush,
2112 	.atomic_enable = vop2_crtc_atomic_enable,
2113 	.atomic_disable = vop2_crtc_atomic_disable,
2114 };
2115 
2116 static struct drm_crtc_state *vop2_crtc_duplicate_state(struct drm_crtc *crtc)
2117 {
2118 	struct rockchip_crtc_state *vcstate;
2119 
2120 	if (WARN_ON(!crtc->state))
2121 		return NULL;
2122 
2123 	vcstate = kmemdup(to_rockchip_crtc_state(crtc->state),
2124 			  sizeof(*vcstate), GFP_KERNEL);
2125 	if (!vcstate)
2126 		return NULL;
2127 
2128 	__drm_atomic_helper_crtc_duplicate_state(crtc, &vcstate->base);
2129 
2130 	return &vcstate->base;
2131 }
2132 
2133 static void vop2_crtc_destroy_state(struct drm_crtc *crtc,
2134 				    struct drm_crtc_state *state)
2135 {
2136 	struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(state);
2137 
2138 	__drm_atomic_helper_crtc_destroy_state(&vcstate->base);
2139 	kfree(vcstate);
2140 }
2141 
2142 static void vop2_crtc_reset(struct drm_crtc *crtc)
2143 {
2144 	struct rockchip_crtc_state *vcstate =
2145 		kzalloc(sizeof(*vcstate), GFP_KERNEL);
2146 
2147 	if (crtc->state)
2148 		vop2_crtc_destroy_state(crtc, crtc->state);
2149 
2150 	if (vcstate)
2151 		__drm_atomic_helper_crtc_reset(crtc, &vcstate->base);
2152 	else
2153 		__drm_atomic_helper_crtc_reset(crtc, NULL);
2154 }
2155 
2156 static const struct drm_crtc_funcs vop2_crtc_funcs = {
2157 	.set_config = drm_atomic_helper_set_config,
2158 	.page_flip = drm_atomic_helper_page_flip,
2159 	.destroy = drm_crtc_cleanup,
2160 	.reset = vop2_crtc_reset,
2161 	.atomic_duplicate_state = vop2_crtc_duplicate_state,
2162 	.atomic_destroy_state = vop2_crtc_destroy_state,
2163 	.enable_vblank = vop2_crtc_enable_vblank,
2164 	.disable_vblank = vop2_crtc_disable_vblank,
2165 };
2166 
2167 static irqreturn_t vop2_isr(int irq, void *data)
2168 {
2169 	struct vop2 *vop2 = data;
2170 	const struct vop2_data *vop2_data = vop2->data;
2171 	u32 axi_irqs[VOP2_SYS_AXI_BUS_NUM];
2172 	int ret = IRQ_NONE;
2173 	int i;
2174 
2175 	/*
2176 	 * The irq is shared with the iommu. If the runtime-pm state of the
2177 	 * vop2-device is disabled the irq has to be targeted at the iommu.
2178 	 */
2179 	if (!pm_runtime_get_if_in_use(vop2->dev))
2180 		return IRQ_NONE;
2181 
2182 	for (i = 0; i < vop2_data->nr_vps; i++) {
2183 		struct vop2_video_port *vp = &vop2->vps[i];
2184 		struct drm_crtc *crtc = &vp->crtc;
2185 		u32 irqs;
2186 
2187 		irqs = vop2_readl(vop2, RK3568_VP_INT_STATUS(vp->id));
2188 		vop2_writel(vop2, RK3568_VP_INT_CLR(vp->id), irqs << 16 | irqs);
2189 
2190 		if (irqs & VP_INT_DSP_HOLD_VALID) {
2191 			complete(&vp->dsp_hold_completion);
2192 			ret = IRQ_HANDLED;
2193 		}
2194 
2195 		if (irqs & VP_INT_FS_FIELD) {
2196 			drm_crtc_handle_vblank(crtc);
2197 			spin_lock(&crtc->dev->event_lock);
2198 			if (vp->event) {
2199 				u32 val = vop2_readl(vop2, RK3568_REG_CFG_DONE);
2200 
2201 				if (!(val & BIT(vp->id))) {
2202 					drm_crtc_send_vblank_event(crtc, vp->event);
2203 					vp->event = NULL;
2204 					drm_crtc_vblank_put(crtc);
2205 				}
2206 			}
2207 			spin_unlock(&crtc->dev->event_lock);
2208 
2209 			ret = IRQ_HANDLED;
2210 		}
2211 
2212 		if (irqs & VP_INT_POST_BUF_EMPTY) {
2213 			drm_err_ratelimited(vop2->drm,
2214 					    "POST_BUF_EMPTY irq err at vp%d\n",
2215 					    vp->id);
2216 			ret = IRQ_HANDLED;
2217 		}
2218 	}
2219 
2220 	axi_irqs[0] = vop2_readl(vop2, RK3568_SYS0_INT_STATUS);
2221 	vop2_writel(vop2, RK3568_SYS0_INT_CLR, axi_irqs[0] << 16 | axi_irqs[0]);
2222 	axi_irqs[1] = vop2_readl(vop2, RK3568_SYS1_INT_STATUS);
2223 	vop2_writel(vop2, RK3568_SYS1_INT_CLR, axi_irqs[1] << 16 | axi_irqs[1]);
2224 
2225 	for (i = 0; i < ARRAY_SIZE(axi_irqs); i++) {
2226 		if (axi_irqs[i] & VOP2_INT_BUS_ERRPR) {
2227 			drm_err_ratelimited(vop2->drm, "BUS_ERROR irq err\n");
2228 			ret = IRQ_HANDLED;
2229 		}
2230 	}
2231 
2232 	pm_runtime_put(vop2->dev);
2233 
2234 	return ret;
2235 }
2236 
2237 static int vop2_plane_init(struct vop2 *vop2, struct vop2_win *win,
2238 			   unsigned long possible_crtcs)
2239 {
2240 	const struct vop2_win_data *win_data = win->data;
2241 	unsigned int blend_caps = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
2242 				  BIT(DRM_MODE_BLEND_PREMULTI) |
2243 				  BIT(DRM_MODE_BLEND_COVERAGE);
2244 	int ret;
2245 
2246 	ret = drm_universal_plane_init(vop2->drm, &win->base, possible_crtcs,
2247 				       &vop2_plane_funcs, win_data->formats,
2248 				       win_data->nformats,
2249 				       win_data->format_modifiers,
2250 				       win->type, win_data->name);
2251 	if (ret) {
2252 		drm_err(vop2->drm, "failed to initialize plane %d\n", ret);
2253 		return ret;
2254 	}
2255 
2256 	drm_plane_helper_add(&win->base, &vop2_plane_helper_funcs);
2257 
2258 	if (win->data->supported_rotations)
2259 		drm_plane_create_rotation_property(&win->base, DRM_MODE_ROTATE_0,
2260 						   DRM_MODE_ROTATE_0 |
2261 						   win->data->supported_rotations);
2262 	drm_plane_create_alpha_property(&win->base);
2263 	drm_plane_create_blend_mode_property(&win->base, blend_caps);
2264 	drm_plane_create_zpos_property(&win->base, win->win_id, 0,
2265 				       vop2->registered_num_wins - 1);
2266 
2267 	return 0;
2268 }
2269 
2270 static struct vop2_video_port *find_vp_without_primary(struct vop2 *vop2)
2271 {
2272 	int i;
2273 
2274 	for (i = 0; i < vop2->data->nr_vps; i++) {
2275 		struct vop2_video_port *vp = &vop2->vps[i];
2276 
2277 		if (!vp->crtc.port)
2278 			continue;
2279 		if (vp->primary_plane)
2280 			continue;
2281 
2282 		return vp;
2283 	}
2284 
2285 	return NULL;
2286 }
2287 
2288 static int vop2_create_crtcs(struct vop2 *vop2)
2289 {
2290 	const struct vop2_data *vop2_data = vop2->data;
2291 	struct drm_device *drm = vop2->drm;
2292 	struct device *dev = vop2->dev;
2293 	struct drm_plane *plane;
2294 	struct device_node *port;
2295 	struct vop2_video_port *vp;
2296 	int i, nvp, nvps = 0;
2297 	int ret;
2298 
2299 	for (i = 0; i < vop2_data->nr_vps; i++) {
2300 		const struct vop2_video_port_data *vp_data;
2301 		struct device_node *np;
2302 		char dclk_name[9];
2303 
2304 		vp_data = &vop2_data->vp[i];
2305 		vp = &vop2->vps[i];
2306 		vp->vop2 = vop2;
2307 		vp->id = vp_data->id;
2308 		vp->data = vp_data;
2309 
2310 		snprintf(dclk_name, sizeof(dclk_name), "dclk_vp%d", vp->id);
2311 		vp->dclk = devm_clk_get(vop2->dev, dclk_name);
2312 		if (IS_ERR(vp->dclk)) {
2313 			drm_err(vop2->drm, "failed to get %s\n", dclk_name);
2314 			return PTR_ERR(vp->dclk);
2315 		}
2316 
2317 		np = of_graph_get_remote_node(dev->of_node, i, -1);
2318 		if (!np) {
2319 			drm_dbg(vop2->drm, "%s: No remote for vp%d\n", __func__, i);
2320 			continue;
2321 		}
2322 		of_node_put(np);
2323 
2324 		port = of_graph_get_port_by_id(dev->of_node, i);
2325 		if (!port) {
2326 			drm_err(vop2->drm, "no port node found for video_port%d\n", i);
2327 			return -ENOENT;
2328 		}
2329 
2330 		vp->crtc.port = port;
2331 		nvps++;
2332 	}
2333 
2334 	nvp = 0;
2335 	for (i = 0; i < vop2->registered_num_wins; i++) {
2336 		struct vop2_win *win = &vop2->win[i];
2337 		u32 possible_crtcs = 0;
2338 
2339 		if (vop2->data->soc_id == 3566) {
2340 			/*
2341 			 * On RK3566 these windows don't have an independent
2342 			 * framebuffer. They share the framebuffer with smart0,
2343 			 * esmart0 and cluster0 respectively.
2344 			 */
2345 			switch (win->data->phys_id) {
2346 			case ROCKCHIP_VOP2_SMART1:
2347 			case ROCKCHIP_VOP2_ESMART1:
2348 			case ROCKCHIP_VOP2_CLUSTER1:
2349 				continue;
2350 			}
2351 		}
2352 
2353 		if (win->type == DRM_PLANE_TYPE_PRIMARY) {
2354 			vp = find_vp_without_primary(vop2);
2355 			if (vp) {
2356 				possible_crtcs = BIT(nvp);
2357 				vp->primary_plane = win;
2358 				nvp++;
2359 			} else {
2360 				/* change the unused primary window to overlay window */
2361 				win->type = DRM_PLANE_TYPE_OVERLAY;
2362 			}
2363 		}
2364 
2365 		if (win->type == DRM_PLANE_TYPE_OVERLAY)
2366 			possible_crtcs = (1 << nvps) - 1;
2367 
2368 		ret = vop2_plane_init(vop2, win, possible_crtcs);
2369 		if (ret) {
2370 			drm_err(vop2->drm, "failed to init plane %s: %d\n",
2371 				win->data->name, ret);
2372 			return ret;
2373 		}
2374 	}
2375 
2376 	for (i = 0; i < vop2_data->nr_vps; i++) {
2377 		vp = &vop2->vps[i];
2378 
2379 		if (!vp->crtc.port)
2380 			continue;
2381 
2382 		plane = &vp->primary_plane->base;
2383 
2384 		ret = drm_crtc_init_with_planes(drm, &vp->crtc, plane, NULL,
2385 						&vop2_crtc_funcs,
2386 						"video_port%d", vp->id);
2387 		if (ret) {
2388 			drm_err(vop2->drm, "crtc init for video_port%d failed\n", i);
2389 			return ret;
2390 		}
2391 
2392 		drm_crtc_helper_add(&vp->crtc, &vop2_crtc_helper_funcs);
2393 
2394 		init_completion(&vp->dsp_hold_completion);
2395 	}
2396 
2397 	/*
2398 	 * On the VOP2 it's very hard to change the number of layers on a VP
2399 	 * during runtime, so we distribute the layers equally over the used
2400 	 * VPs
2401 	 */
2402 	for (i = 0; i < vop2->data->nr_vps; i++) {
2403 		struct vop2_video_port *vp = &vop2->vps[i];
2404 
2405 		if (vp->crtc.port)
2406 			vp->nlayers = vop2_data->win_size / nvps;
2407 	}
2408 
2409 	return 0;
2410 }
2411 
2412 static void vop2_destroy_crtcs(struct vop2 *vop2)
2413 {
2414 	struct drm_device *drm = vop2->drm;
2415 	struct list_head *crtc_list = &drm->mode_config.crtc_list;
2416 	struct list_head *plane_list = &drm->mode_config.plane_list;
2417 	struct drm_crtc *crtc, *tmpc;
2418 	struct drm_plane *plane, *tmpp;
2419 
2420 	list_for_each_entry_safe(plane, tmpp, plane_list, head)
2421 		drm_plane_cleanup(plane);
2422 
2423 	/*
2424 	 * Destroy CRTC after vop2_plane_destroy() since vop2_disable_plane()
2425 	 * references the CRTC.
2426 	 */
2427 	list_for_each_entry_safe(crtc, tmpc, crtc_list, head) {
2428 		of_node_put(crtc->port);
2429 		drm_crtc_cleanup(crtc);
2430 	}
2431 }
2432 
2433 static int vop2_find_rgb_encoder(struct vop2 *vop2)
2434 {
2435 	struct device_node *node = vop2->dev->of_node;
2436 	struct device_node *endpoint;
2437 	int i;
2438 
2439 	for (i = 0; i < vop2->data->nr_vps; i++) {
2440 		endpoint = of_graph_get_endpoint_by_regs(node, i,
2441 							 ROCKCHIP_VOP2_EP_RGB0);
2442 		if (!endpoint)
2443 			continue;
2444 
2445 		of_node_put(endpoint);
2446 		return i;
2447 	}
2448 
2449 	return -ENOENT;
2450 }
2451 
2452 static struct reg_field vop2_cluster_regs[VOP2_WIN_MAX_REG] = {
2453 	[VOP2_WIN_ENABLE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 0, 0),
2454 	[VOP2_WIN_FORMAT] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 1, 5),
2455 	[VOP2_WIN_RB_SWAP] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 14, 14),
2456 	[VOP2_WIN_DITHER_UP] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 18, 18),
2457 	[VOP2_WIN_ACT_INFO] = REG_FIELD(RK3568_CLUSTER_WIN_ACT_INFO, 0, 31),
2458 	[VOP2_WIN_DSP_INFO] = REG_FIELD(RK3568_CLUSTER_WIN_DSP_INFO, 0, 31),
2459 	[VOP2_WIN_DSP_ST] = REG_FIELD(RK3568_CLUSTER_WIN_DSP_ST, 0, 31),
2460 	[VOP2_WIN_YRGB_MST] = REG_FIELD(RK3568_CLUSTER_WIN_YRGB_MST, 0, 31),
2461 	[VOP2_WIN_UV_MST] = REG_FIELD(RK3568_CLUSTER_WIN_CBR_MST, 0, 31),
2462 	[VOP2_WIN_YUV_CLIP] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 19, 19),
2463 	[VOP2_WIN_YRGB_VIR] = REG_FIELD(RK3568_CLUSTER_WIN_VIR, 0, 15),
2464 	[VOP2_WIN_UV_VIR] = REG_FIELD(RK3568_CLUSTER_WIN_VIR, 16, 31),
2465 	[VOP2_WIN_Y2R_EN] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 8, 8),
2466 	[VOP2_WIN_R2Y_EN] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 9, 9),
2467 	[VOP2_WIN_CSC_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 10, 11),
2468 
2469 	/* Scale */
2470 	[VOP2_WIN_SCALE_YRGB_X] = REG_FIELD(RK3568_CLUSTER_WIN_SCL_FACTOR_YRGB, 0, 15),
2471 	[VOP2_WIN_SCALE_YRGB_Y] = REG_FIELD(RK3568_CLUSTER_WIN_SCL_FACTOR_YRGB, 16, 31),
2472 	[VOP2_WIN_YRGB_VER_SCL_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 14, 15),
2473 	[VOP2_WIN_YRGB_HOR_SCL_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 12, 13),
2474 	[VOP2_WIN_BIC_COE_SEL] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 2, 3),
2475 	[VOP2_WIN_VSD_YRGB_GT2] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 28, 28),
2476 	[VOP2_WIN_VSD_YRGB_GT4] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 29, 29),
2477 
2478 	/* cluster regs */
2479 	[VOP2_WIN_AFBC_ENABLE] = REG_FIELD(RK3568_CLUSTER_CTRL, 1, 1),
2480 	[VOP2_WIN_CLUSTER_ENABLE] = REG_FIELD(RK3568_CLUSTER_CTRL, 0, 0),
2481 	[VOP2_WIN_CLUSTER_LB_MODE] = REG_FIELD(RK3568_CLUSTER_CTRL, 4, 7),
2482 
2483 	/* afbc regs */
2484 	[VOP2_WIN_AFBC_FORMAT] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 2, 6),
2485 	[VOP2_WIN_AFBC_RB_SWAP] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 9, 9),
2486 	[VOP2_WIN_AFBC_UV_SWAP] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 10, 10),
2487 	[VOP2_WIN_AFBC_AUTO_GATING_EN] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_OUTPUT_CTRL, 4, 4),
2488 	[VOP2_WIN_AFBC_HALF_BLOCK_EN] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 7, 7),
2489 	[VOP2_WIN_AFBC_BLOCK_SPLIT_EN] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 8, 8),
2490 	[VOP2_WIN_AFBC_HDR_PTR] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_HDR_PTR, 0, 31),
2491 	[VOP2_WIN_AFBC_PIC_SIZE] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_PIC_SIZE, 0, 31),
2492 	[VOP2_WIN_AFBC_PIC_VIR_WIDTH] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_VIR_WIDTH, 0, 15),
2493 	[VOP2_WIN_AFBC_TILE_NUM] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_VIR_WIDTH, 16, 31),
2494 	[VOP2_WIN_AFBC_PIC_OFFSET] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_PIC_OFFSET, 0, 31),
2495 	[VOP2_WIN_AFBC_DSP_OFFSET] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_DSP_OFFSET, 0, 31),
2496 	[VOP2_WIN_AFBC_TRANSFORM_OFFSET] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_TRANSFORM_OFFSET, 0, 31),
2497 	[VOP2_WIN_AFBC_ROTATE_90] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 0, 0),
2498 	[VOP2_WIN_AFBC_ROTATE_270] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 1, 1),
2499 	[VOP2_WIN_XMIRROR] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 2, 2),
2500 	[VOP2_WIN_YMIRROR] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 3, 3),
2501 	[VOP2_WIN_UV_SWAP] = { .reg = 0xffffffff },
2502 	[VOP2_WIN_COLOR_KEY] = { .reg = 0xffffffff },
2503 	[VOP2_WIN_COLOR_KEY_EN] = { .reg = 0xffffffff },
2504 	[VOP2_WIN_SCALE_CBCR_X] = { .reg = 0xffffffff },
2505 	[VOP2_WIN_SCALE_CBCR_Y] = { .reg = 0xffffffff },
2506 	[VOP2_WIN_YRGB_HSCL_FILTER_MODE] = { .reg = 0xffffffff },
2507 	[VOP2_WIN_YRGB_VSCL_FILTER_MODE] = { .reg = 0xffffffff },
2508 	[VOP2_WIN_CBCR_VER_SCL_MODE] = { .reg = 0xffffffff },
2509 	[VOP2_WIN_CBCR_HSCL_FILTER_MODE] = { .reg = 0xffffffff },
2510 	[VOP2_WIN_CBCR_HOR_SCL_MODE] = { .reg = 0xffffffff },
2511 	[VOP2_WIN_CBCR_VSCL_FILTER_MODE] = { .reg = 0xffffffff },
2512 	[VOP2_WIN_VSD_CBCR_GT2] = { .reg = 0xffffffff },
2513 	[VOP2_WIN_VSD_CBCR_GT4] = { .reg = 0xffffffff },
2514 };
2515 
2516 static int vop2_cluster_init(struct vop2_win *win)
2517 {
2518 	struct vop2 *vop2 = win->vop2;
2519 	struct reg_field *cluster_regs;
2520 	int ret, i;
2521 
2522 	cluster_regs = kmemdup(vop2_cluster_regs, sizeof(vop2_cluster_regs),
2523 			       GFP_KERNEL);
2524 	if (!cluster_regs)
2525 		return -ENOMEM;
2526 
2527 	for (i = 0; i < ARRAY_SIZE(vop2_cluster_regs); i++)
2528 		if (cluster_regs[i].reg != 0xffffffff)
2529 			cluster_regs[i].reg += win->offset;
2530 
2531 	ret = devm_regmap_field_bulk_alloc(vop2->dev, vop2->map, win->reg,
2532 					   cluster_regs,
2533 					   ARRAY_SIZE(vop2_cluster_regs));
2534 
2535 	kfree(cluster_regs);
2536 
2537 	return ret;
2538 };
2539 
2540 static struct reg_field vop2_esmart_regs[VOP2_WIN_MAX_REG] = {
2541 	[VOP2_WIN_ENABLE] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 0, 0),
2542 	[VOP2_WIN_FORMAT] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 1, 5),
2543 	[VOP2_WIN_DITHER_UP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 12, 12),
2544 	[VOP2_WIN_RB_SWAP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 14, 14),
2545 	[VOP2_WIN_UV_SWAP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 16, 16),
2546 	[VOP2_WIN_ACT_INFO] = REG_FIELD(RK3568_SMART_REGION0_ACT_INFO, 0, 31),
2547 	[VOP2_WIN_DSP_INFO] = REG_FIELD(RK3568_SMART_REGION0_DSP_INFO, 0, 31),
2548 	[VOP2_WIN_DSP_ST] = REG_FIELD(RK3568_SMART_REGION0_DSP_ST, 0, 28),
2549 	[VOP2_WIN_YRGB_MST] = REG_FIELD(RK3568_SMART_REGION0_YRGB_MST, 0, 31),
2550 	[VOP2_WIN_UV_MST] = REG_FIELD(RK3568_SMART_REGION0_CBR_MST, 0, 31),
2551 	[VOP2_WIN_YUV_CLIP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 17, 17),
2552 	[VOP2_WIN_YRGB_VIR] = REG_FIELD(RK3568_SMART_REGION0_VIR, 0, 15),
2553 	[VOP2_WIN_UV_VIR] = REG_FIELD(RK3568_SMART_REGION0_VIR, 16, 31),
2554 	[VOP2_WIN_Y2R_EN] = REG_FIELD(RK3568_SMART_CTRL0, 0, 0),
2555 	[VOP2_WIN_R2Y_EN] = REG_FIELD(RK3568_SMART_CTRL0, 1, 1),
2556 	[VOP2_WIN_CSC_MODE] = REG_FIELD(RK3568_SMART_CTRL0, 2, 3),
2557 	[VOP2_WIN_YMIRROR] = REG_FIELD(RK3568_SMART_CTRL1, 31, 31),
2558 	[VOP2_WIN_COLOR_KEY] = REG_FIELD(RK3568_SMART_COLOR_KEY_CTRL, 0, 29),
2559 	[VOP2_WIN_COLOR_KEY_EN] = REG_FIELD(RK3568_SMART_COLOR_KEY_CTRL, 31, 31),
2560 
2561 	/* Scale */
2562 	[VOP2_WIN_SCALE_YRGB_X] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_YRGB, 0, 15),
2563 	[VOP2_WIN_SCALE_YRGB_Y] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_YRGB, 16, 31),
2564 	[VOP2_WIN_SCALE_CBCR_X] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_CBR, 0, 15),
2565 	[VOP2_WIN_SCALE_CBCR_Y] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_CBR, 16, 31),
2566 	[VOP2_WIN_YRGB_HOR_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 0, 1),
2567 	[VOP2_WIN_YRGB_HSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 2, 3),
2568 	[VOP2_WIN_YRGB_VER_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 4, 5),
2569 	[VOP2_WIN_YRGB_VSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 6, 7),
2570 	[VOP2_WIN_CBCR_HOR_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 8, 9),
2571 	[VOP2_WIN_CBCR_HSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 10, 11),
2572 	[VOP2_WIN_CBCR_VER_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 12, 13),
2573 	[VOP2_WIN_CBCR_VSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 14, 15),
2574 	[VOP2_WIN_BIC_COE_SEL] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 16, 17),
2575 	[VOP2_WIN_VSD_YRGB_GT2] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 8, 8),
2576 	[VOP2_WIN_VSD_YRGB_GT4] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 9, 9),
2577 	[VOP2_WIN_VSD_CBCR_GT2] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 10, 10),
2578 	[VOP2_WIN_VSD_CBCR_GT4] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 11, 11),
2579 	[VOP2_WIN_XMIRROR] = { .reg = 0xffffffff },
2580 	[VOP2_WIN_CLUSTER_ENABLE] = { .reg = 0xffffffff },
2581 	[VOP2_WIN_AFBC_ENABLE] = { .reg = 0xffffffff },
2582 	[VOP2_WIN_CLUSTER_LB_MODE] = { .reg = 0xffffffff },
2583 	[VOP2_WIN_AFBC_FORMAT] = { .reg = 0xffffffff },
2584 	[VOP2_WIN_AFBC_RB_SWAP] = { .reg = 0xffffffff },
2585 	[VOP2_WIN_AFBC_UV_SWAP] = { .reg = 0xffffffff },
2586 	[VOP2_WIN_AFBC_AUTO_GATING_EN] = { .reg = 0xffffffff },
2587 	[VOP2_WIN_AFBC_BLOCK_SPLIT_EN] = { .reg = 0xffffffff },
2588 	[VOP2_WIN_AFBC_PIC_VIR_WIDTH] = { .reg = 0xffffffff },
2589 	[VOP2_WIN_AFBC_TILE_NUM] = { .reg = 0xffffffff },
2590 	[VOP2_WIN_AFBC_PIC_OFFSET] = { .reg = 0xffffffff },
2591 	[VOP2_WIN_AFBC_PIC_SIZE] = { .reg = 0xffffffff },
2592 	[VOP2_WIN_AFBC_DSP_OFFSET] = { .reg = 0xffffffff },
2593 	[VOP2_WIN_AFBC_TRANSFORM_OFFSET] = { .reg = 0xffffffff },
2594 	[VOP2_WIN_AFBC_HDR_PTR] = { .reg = 0xffffffff },
2595 	[VOP2_WIN_AFBC_HALF_BLOCK_EN] = { .reg = 0xffffffff },
2596 	[VOP2_WIN_AFBC_ROTATE_270] = { .reg = 0xffffffff },
2597 	[VOP2_WIN_AFBC_ROTATE_90] = { .reg = 0xffffffff },
2598 };
2599 
2600 static int vop2_esmart_init(struct vop2_win *win)
2601 {
2602 	struct vop2 *vop2 = win->vop2;
2603 	struct reg_field *esmart_regs;
2604 	int ret, i;
2605 
2606 	esmart_regs = kmemdup(vop2_esmart_regs, sizeof(vop2_esmart_regs),
2607 			      GFP_KERNEL);
2608 	if (!esmart_regs)
2609 		return -ENOMEM;
2610 
2611 	for (i = 0; i < ARRAY_SIZE(vop2_esmart_regs); i++)
2612 		if (esmart_regs[i].reg != 0xffffffff)
2613 			esmart_regs[i].reg += win->offset;
2614 
2615 	ret = devm_regmap_field_bulk_alloc(vop2->dev, vop2->map, win->reg,
2616 					   esmart_regs,
2617 					   ARRAY_SIZE(vop2_esmart_regs));
2618 
2619 	kfree(esmart_regs);
2620 
2621 	return ret;
2622 };
2623 
2624 static int vop2_win_init(struct vop2 *vop2)
2625 {
2626 	const struct vop2_data *vop2_data = vop2->data;
2627 	struct vop2_win *win;
2628 	int i, ret;
2629 
2630 	for (i = 0; i < vop2_data->win_size; i++) {
2631 		const struct vop2_win_data *win_data = &vop2_data->win[i];
2632 
2633 		win = &vop2->win[i];
2634 		win->data = win_data;
2635 		win->type = win_data->type;
2636 		win->offset = win_data->base;
2637 		win->win_id = i;
2638 		win->vop2 = vop2;
2639 		if (vop2_cluster_window(win))
2640 			ret = vop2_cluster_init(win);
2641 		else
2642 			ret = vop2_esmart_init(win);
2643 		if (ret)
2644 			return ret;
2645 	}
2646 
2647 	vop2->registered_num_wins = vop2_data->win_size;
2648 
2649 	return 0;
2650 }
2651 
2652 /*
2653  * The window registers are only updated when config done is written.
2654  * Until that they read back the old value. As we read-modify-write
2655  * these registers mark them as non-volatile. This makes sure we read
2656  * the new values from the regmap register cache.
2657  */
2658 static const struct regmap_range vop2_nonvolatile_range[] = {
2659 	regmap_reg_range(0x1000, 0x23ff),
2660 };
2661 
2662 static const struct regmap_access_table vop2_volatile_table = {
2663 	.no_ranges = vop2_nonvolatile_range,
2664 	.n_no_ranges = ARRAY_SIZE(vop2_nonvolatile_range),
2665 };
2666 
2667 static const struct regmap_config vop2_regmap_config = {
2668 	.reg_bits	= 32,
2669 	.val_bits	= 32,
2670 	.reg_stride	= 4,
2671 	.max_register	= 0x3000,
2672 	.name		= "vop2",
2673 	.volatile_table	= &vop2_volatile_table,
2674 	.cache_type	= REGCACHE_MAPLE,
2675 };
2676 
2677 static int vop2_bind(struct device *dev, struct device *master, void *data)
2678 {
2679 	struct platform_device *pdev = to_platform_device(dev);
2680 	const struct vop2_data *vop2_data;
2681 	struct drm_device *drm = data;
2682 	struct vop2 *vop2;
2683 	struct resource *res;
2684 	size_t alloc_size;
2685 	int ret;
2686 
2687 	vop2_data = of_device_get_match_data(dev);
2688 	if (!vop2_data)
2689 		return -ENODEV;
2690 
2691 	/* Allocate vop2 struct and its vop2_win array */
2692 	alloc_size = struct_size(vop2, win, vop2_data->win_size);
2693 	vop2 = devm_kzalloc(dev, alloc_size, GFP_KERNEL);
2694 	if (!vop2)
2695 		return -ENOMEM;
2696 
2697 	vop2->dev = dev;
2698 	vop2->data = vop2_data;
2699 	vop2->drm = drm;
2700 
2701 	dev_set_drvdata(dev, vop2);
2702 
2703 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vop");
2704 	if (!res) {
2705 		drm_err(vop2->drm, "failed to get vop2 register byname\n");
2706 		return -EINVAL;
2707 	}
2708 
2709 	vop2->regs = devm_ioremap_resource(dev, res);
2710 	if (IS_ERR(vop2->regs))
2711 		return PTR_ERR(vop2->regs);
2712 	vop2->len = resource_size(res);
2713 
2714 	vop2->map = devm_regmap_init_mmio(dev, vop2->regs, &vop2_regmap_config);
2715 	if (IS_ERR(vop2->map))
2716 		return PTR_ERR(vop2->map);
2717 
2718 	ret = vop2_win_init(vop2);
2719 	if (ret)
2720 		return ret;
2721 
2722 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gamma-lut");
2723 	if (res) {
2724 		vop2->lut_regs = devm_ioremap_resource(dev, res);
2725 		if (IS_ERR(vop2->lut_regs))
2726 			return PTR_ERR(vop2->lut_regs);
2727 	}
2728 
2729 	vop2->grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf");
2730 
2731 	vop2->hclk = devm_clk_get(vop2->dev, "hclk");
2732 	if (IS_ERR(vop2->hclk)) {
2733 		drm_err(vop2->drm, "failed to get hclk source\n");
2734 		return PTR_ERR(vop2->hclk);
2735 	}
2736 
2737 	vop2->aclk = devm_clk_get(vop2->dev, "aclk");
2738 	if (IS_ERR(vop2->aclk)) {
2739 		drm_err(vop2->drm, "failed to get aclk source\n");
2740 		return PTR_ERR(vop2->aclk);
2741 	}
2742 
2743 	vop2->irq = platform_get_irq(pdev, 0);
2744 	if (vop2->irq < 0) {
2745 		drm_err(vop2->drm, "cannot find irq for vop2\n");
2746 		return vop2->irq;
2747 	}
2748 
2749 	mutex_init(&vop2->vop2_lock);
2750 
2751 	ret = devm_request_irq(dev, vop2->irq, vop2_isr, IRQF_SHARED, dev_name(dev), vop2);
2752 	if (ret)
2753 		return ret;
2754 
2755 	ret = vop2_create_crtcs(vop2);
2756 	if (ret)
2757 		return ret;
2758 
2759 	ret = vop2_find_rgb_encoder(vop2);
2760 	if (ret >= 0) {
2761 		vop2->rgb = rockchip_rgb_init(dev, &vop2->vps[ret].crtc,
2762 					      vop2->drm, ret);
2763 		if (IS_ERR(vop2->rgb)) {
2764 			if (PTR_ERR(vop2->rgb) == -EPROBE_DEFER) {
2765 				ret = PTR_ERR(vop2->rgb);
2766 				goto err_crtcs;
2767 			}
2768 			vop2->rgb = NULL;
2769 		}
2770 	}
2771 
2772 	rockchip_drm_dma_init_device(vop2->drm, vop2->dev);
2773 
2774 	pm_runtime_enable(&pdev->dev);
2775 
2776 	return 0;
2777 
2778 err_crtcs:
2779 	vop2_destroy_crtcs(vop2);
2780 
2781 	return ret;
2782 }
2783 
2784 static void vop2_unbind(struct device *dev, struct device *master, void *data)
2785 {
2786 	struct vop2 *vop2 = dev_get_drvdata(dev);
2787 
2788 	pm_runtime_disable(dev);
2789 
2790 	if (vop2->rgb)
2791 		rockchip_rgb_fini(vop2->rgb);
2792 
2793 	vop2_destroy_crtcs(vop2);
2794 }
2795 
2796 const struct component_ops vop2_component_ops = {
2797 	.bind = vop2_bind,
2798 	.unbind = vop2_unbind,
2799 };
2800 EXPORT_SYMBOL_GPL(vop2_component_ops);
2801