1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
4  *
5  * Based on sun4i_backend.c, which is:
6  *   Copyright (C) 2015 Free Electrons
7  *   Copyright (C) 2015 NextThing Co
8  */
9 
10 #include <linux/component.h>
11 #include <linux/dma-mapping.h>
12 #include <linux/module.h>
13 #include <linux/of_device.h>
14 #include <linux/of_graph.h>
15 #include <linux/reset.h>
16 
17 #include <drm/drm_atomic_helper.h>
18 #include <drm/drm_crtc.h>
19 #include <drm/drm_fb_cma_helper.h>
20 #include <drm/drm_gem_cma_helper.h>
21 #include <drm/drm_plane_helper.h>
22 #include <drm/drm_probe_helper.h>
23 
24 #include "sun4i_drv.h"
25 #include "sun8i_mixer.h"
26 #include "sun8i_ui_layer.h"
27 #include "sun8i_vi_layer.h"
28 #include "sunxi_engine.h"
29 
30 static const struct de2_fmt_info de2_formats[] = {
31 	{
32 		.drm_fmt = DRM_FORMAT_ARGB8888,
33 		.de2_fmt = SUN8I_MIXER_FBFMT_ARGB8888,
34 		.rgb = true,
35 		.csc = SUN8I_CSC_MODE_OFF,
36 	},
37 	{
38 		.drm_fmt = DRM_FORMAT_ABGR8888,
39 		.de2_fmt = SUN8I_MIXER_FBFMT_ABGR8888,
40 		.rgb = true,
41 		.csc = SUN8I_CSC_MODE_OFF,
42 	},
43 	{
44 		.drm_fmt = DRM_FORMAT_RGBA8888,
45 		.de2_fmt = SUN8I_MIXER_FBFMT_RGBA8888,
46 		.rgb = true,
47 		.csc = SUN8I_CSC_MODE_OFF,
48 	},
49 	{
50 		.drm_fmt = DRM_FORMAT_BGRA8888,
51 		.de2_fmt = SUN8I_MIXER_FBFMT_BGRA8888,
52 		.rgb = true,
53 		.csc = SUN8I_CSC_MODE_OFF,
54 	},
55 	{
56 		.drm_fmt = DRM_FORMAT_XRGB8888,
57 		.de2_fmt = SUN8I_MIXER_FBFMT_XRGB8888,
58 		.rgb = true,
59 		.csc = SUN8I_CSC_MODE_OFF,
60 	},
61 	{
62 		.drm_fmt = DRM_FORMAT_XBGR8888,
63 		.de2_fmt = SUN8I_MIXER_FBFMT_XBGR8888,
64 		.rgb = true,
65 		.csc = SUN8I_CSC_MODE_OFF,
66 	},
67 	{
68 		.drm_fmt = DRM_FORMAT_RGBX8888,
69 		.de2_fmt = SUN8I_MIXER_FBFMT_RGBX8888,
70 		.rgb = true,
71 		.csc = SUN8I_CSC_MODE_OFF,
72 	},
73 	{
74 		.drm_fmt = DRM_FORMAT_BGRX8888,
75 		.de2_fmt = SUN8I_MIXER_FBFMT_BGRX8888,
76 		.rgb = true,
77 		.csc = SUN8I_CSC_MODE_OFF,
78 	},
79 	{
80 		.drm_fmt = DRM_FORMAT_RGB888,
81 		.de2_fmt = SUN8I_MIXER_FBFMT_RGB888,
82 		.rgb = true,
83 		.csc = SUN8I_CSC_MODE_OFF,
84 	},
85 	{
86 		.drm_fmt = DRM_FORMAT_BGR888,
87 		.de2_fmt = SUN8I_MIXER_FBFMT_BGR888,
88 		.rgb = true,
89 		.csc = SUN8I_CSC_MODE_OFF,
90 	},
91 	{
92 		.drm_fmt = DRM_FORMAT_RGB565,
93 		.de2_fmt = SUN8I_MIXER_FBFMT_RGB565,
94 		.rgb = true,
95 		.csc = SUN8I_CSC_MODE_OFF,
96 	},
97 	{
98 		.drm_fmt = DRM_FORMAT_BGR565,
99 		.de2_fmt = SUN8I_MIXER_FBFMT_BGR565,
100 		.rgb = true,
101 		.csc = SUN8I_CSC_MODE_OFF,
102 	},
103 	{
104 		.drm_fmt = DRM_FORMAT_ARGB4444,
105 		.de2_fmt = SUN8I_MIXER_FBFMT_ARGB4444,
106 		.rgb = true,
107 		.csc = SUN8I_CSC_MODE_OFF,
108 	},
109 	{
110 		.drm_fmt = DRM_FORMAT_ABGR4444,
111 		.de2_fmt = SUN8I_MIXER_FBFMT_ABGR4444,
112 		.rgb = true,
113 		.csc = SUN8I_CSC_MODE_OFF,
114 	},
115 	{
116 		.drm_fmt = DRM_FORMAT_RGBA4444,
117 		.de2_fmt = SUN8I_MIXER_FBFMT_RGBA4444,
118 		.rgb = true,
119 		.csc = SUN8I_CSC_MODE_OFF,
120 	},
121 	{
122 		.drm_fmt = DRM_FORMAT_BGRA4444,
123 		.de2_fmt = SUN8I_MIXER_FBFMT_BGRA4444,
124 		.rgb = true,
125 		.csc = SUN8I_CSC_MODE_OFF,
126 	},
127 	{
128 		.drm_fmt = DRM_FORMAT_ARGB1555,
129 		.de2_fmt = SUN8I_MIXER_FBFMT_ARGB1555,
130 		.rgb = true,
131 		.csc = SUN8I_CSC_MODE_OFF,
132 	},
133 	{
134 		.drm_fmt = DRM_FORMAT_ABGR1555,
135 		.de2_fmt = SUN8I_MIXER_FBFMT_ABGR1555,
136 		.rgb = true,
137 		.csc = SUN8I_CSC_MODE_OFF,
138 	},
139 	{
140 		.drm_fmt = DRM_FORMAT_RGBA5551,
141 		.de2_fmt = SUN8I_MIXER_FBFMT_RGBA5551,
142 		.rgb = true,
143 		.csc = SUN8I_CSC_MODE_OFF,
144 	},
145 	{
146 		.drm_fmt = DRM_FORMAT_BGRA5551,
147 		.de2_fmt = SUN8I_MIXER_FBFMT_BGRA5551,
148 		.rgb = true,
149 		.csc = SUN8I_CSC_MODE_OFF,
150 	},
151 	{
152 		.drm_fmt = DRM_FORMAT_UYVY,
153 		.de2_fmt = SUN8I_MIXER_FBFMT_UYVY,
154 		.rgb = false,
155 		.csc = SUN8I_CSC_MODE_YUV2RGB,
156 	},
157 	{
158 		.drm_fmt = DRM_FORMAT_VYUY,
159 		.de2_fmt = SUN8I_MIXER_FBFMT_VYUY,
160 		.rgb = false,
161 		.csc = SUN8I_CSC_MODE_YUV2RGB,
162 	},
163 	{
164 		.drm_fmt = DRM_FORMAT_YUYV,
165 		.de2_fmt = SUN8I_MIXER_FBFMT_YUYV,
166 		.rgb = false,
167 		.csc = SUN8I_CSC_MODE_YUV2RGB,
168 	},
169 	{
170 		.drm_fmt = DRM_FORMAT_YVYU,
171 		.de2_fmt = SUN8I_MIXER_FBFMT_YVYU,
172 		.rgb = false,
173 		.csc = SUN8I_CSC_MODE_YUV2RGB,
174 	},
175 	{
176 		.drm_fmt = DRM_FORMAT_NV16,
177 		.de2_fmt = SUN8I_MIXER_FBFMT_NV16,
178 		.rgb = false,
179 		.csc = SUN8I_CSC_MODE_YUV2RGB,
180 	},
181 	{
182 		.drm_fmt = DRM_FORMAT_NV61,
183 		.de2_fmt = SUN8I_MIXER_FBFMT_NV61,
184 		.rgb = false,
185 		.csc = SUN8I_CSC_MODE_YUV2RGB,
186 	},
187 	{
188 		.drm_fmt = DRM_FORMAT_NV12,
189 		.de2_fmt = SUN8I_MIXER_FBFMT_NV12,
190 		.rgb = false,
191 		.csc = SUN8I_CSC_MODE_YUV2RGB,
192 	},
193 	{
194 		.drm_fmt = DRM_FORMAT_NV21,
195 		.de2_fmt = SUN8I_MIXER_FBFMT_NV21,
196 		.rgb = false,
197 		.csc = SUN8I_CSC_MODE_YUV2RGB,
198 	},
199 	{
200 		.drm_fmt = DRM_FORMAT_YUV444,
201 		.de2_fmt = SUN8I_MIXER_FBFMT_RGB888,
202 		.rgb = true,
203 		.csc = SUN8I_CSC_MODE_YUV2RGB,
204 	},
205 	{
206 		.drm_fmt = DRM_FORMAT_YUV422,
207 		.de2_fmt = SUN8I_MIXER_FBFMT_YUV422,
208 		.rgb = false,
209 		.csc = SUN8I_CSC_MODE_YUV2RGB,
210 	},
211 	{
212 		.drm_fmt = DRM_FORMAT_YUV420,
213 		.de2_fmt = SUN8I_MIXER_FBFMT_YUV420,
214 		.rgb = false,
215 		.csc = SUN8I_CSC_MODE_YUV2RGB,
216 	},
217 	{
218 		.drm_fmt = DRM_FORMAT_YUV411,
219 		.de2_fmt = SUN8I_MIXER_FBFMT_YUV411,
220 		.rgb = false,
221 		.csc = SUN8I_CSC_MODE_YUV2RGB,
222 	},
223 	{
224 		.drm_fmt = DRM_FORMAT_YVU444,
225 		.de2_fmt = SUN8I_MIXER_FBFMT_RGB888,
226 		.rgb = true,
227 		.csc = SUN8I_CSC_MODE_YVU2RGB,
228 	},
229 	{
230 		.drm_fmt = DRM_FORMAT_YVU422,
231 		.de2_fmt = SUN8I_MIXER_FBFMT_YUV422,
232 		.rgb = false,
233 		.csc = SUN8I_CSC_MODE_YVU2RGB,
234 	},
235 	{
236 		.drm_fmt = DRM_FORMAT_YVU420,
237 		.de2_fmt = SUN8I_MIXER_FBFMT_YUV420,
238 		.rgb = false,
239 		.csc = SUN8I_CSC_MODE_YVU2RGB,
240 	},
241 	{
242 		.drm_fmt = DRM_FORMAT_YVU411,
243 		.de2_fmt = SUN8I_MIXER_FBFMT_YUV411,
244 		.rgb = false,
245 		.csc = SUN8I_CSC_MODE_YVU2RGB,
246 	},
247 };
248 
249 const struct de2_fmt_info *sun8i_mixer_format_info(u32 format)
250 {
251 	unsigned int i;
252 
253 	for (i = 0; i < ARRAY_SIZE(de2_formats); ++i)
254 		if (de2_formats[i].drm_fmt == format)
255 			return &de2_formats[i];
256 
257 	return NULL;
258 }
259 
260 static void sun8i_mixer_commit(struct sunxi_engine *engine)
261 {
262 	DRM_DEBUG_DRIVER("Committing changes\n");
263 
264 	regmap_write(engine->regs, SUN8I_MIXER_GLOBAL_DBUFF,
265 		     SUN8I_MIXER_GLOBAL_DBUFF_ENABLE);
266 }
267 
268 static struct drm_plane **sun8i_layers_init(struct drm_device *drm,
269 					    struct sunxi_engine *engine)
270 {
271 	struct drm_plane **planes;
272 	struct sun8i_mixer *mixer = engine_to_sun8i_mixer(engine);
273 	int i;
274 
275 	planes = devm_kcalloc(drm->dev,
276 			      mixer->cfg->vi_num + mixer->cfg->ui_num + 1,
277 			      sizeof(*planes), GFP_KERNEL);
278 	if (!planes)
279 		return ERR_PTR(-ENOMEM);
280 
281 	for (i = 0; i < mixer->cfg->vi_num; i++) {
282 		struct sun8i_vi_layer *layer;
283 
284 		layer = sun8i_vi_layer_init_one(drm, mixer, i);
285 		if (IS_ERR(layer)) {
286 			dev_err(drm->dev,
287 				"Couldn't initialize overlay plane\n");
288 			return ERR_CAST(layer);
289 		};
290 
291 		planes[i] = &layer->plane;
292 	};
293 
294 	for (i = 0; i < mixer->cfg->ui_num; i++) {
295 		struct sun8i_ui_layer *layer;
296 
297 		layer = sun8i_ui_layer_init_one(drm, mixer, i);
298 		if (IS_ERR(layer)) {
299 			dev_err(drm->dev, "Couldn't initialize %s plane\n",
300 				i ? "overlay" : "primary");
301 			return ERR_CAST(layer);
302 		};
303 
304 		planes[mixer->cfg->vi_num + i] = &layer->plane;
305 	};
306 
307 	return planes;
308 }
309 
310 static const struct sunxi_engine_ops sun8i_engine_ops = {
311 	.commit		= sun8i_mixer_commit,
312 	.layers_init	= sun8i_layers_init,
313 };
314 
315 static struct regmap_config sun8i_mixer_regmap_config = {
316 	.reg_bits	= 32,
317 	.val_bits	= 32,
318 	.reg_stride	= 4,
319 	.max_register	= 0xbfffc, /* guessed */
320 };
321 
322 static int sun8i_mixer_of_get_id(struct device_node *node)
323 {
324 	struct device_node *ep, *remote;
325 	struct of_endpoint of_ep;
326 
327 	/* Output port is 1, and we want the first endpoint. */
328 	ep = of_graph_get_endpoint_by_regs(node, 1, -1);
329 	if (!ep)
330 		return -EINVAL;
331 
332 	remote = of_graph_get_remote_endpoint(ep);
333 	of_node_put(ep);
334 	if (!remote)
335 		return -EINVAL;
336 
337 	of_graph_parse_endpoint(remote, &of_ep);
338 	of_node_put(remote);
339 	return of_ep.id;
340 }
341 
342 static int sun8i_mixer_bind(struct device *dev, struct device *master,
343 			      void *data)
344 {
345 	struct platform_device *pdev = to_platform_device(dev);
346 	struct drm_device *drm = data;
347 	struct sun4i_drv *drv = drm->dev_private;
348 	struct sun8i_mixer *mixer;
349 	struct resource *res;
350 	void __iomem *regs;
351 	unsigned int base;
352 	int plane_cnt;
353 	int i, ret;
354 
355 	/*
356 	 * The mixer uses single 32-bit register to store memory
357 	 * addresses, so that it cannot deal with 64-bit memory
358 	 * addresses.
359 	 * Restrict the DMA mask so that the mixer won't be
360 	 * allocated some memory that is too high.
361 	 */
362 	ret = dma_set_mask(dev, DMA_BIT_MASK(32));
363 	if (ret) {
364 		dev_err(dev, "Cannot do 32-bit DMA.\n");
365 		return ret;
366 	}
367 
368 	mixer = devm_kzalloc(dev, sizeof(*mixer), GFP_KERNEL);
369 	if (!mixer)
370 		return -ENOMEM;
371 	dev_set_drvdata(dev, mixer);
372 	mixer->engine.ops = &sun8i_engine_ops;
373 	mixer->engine.node = dev->of_node;
374 
375 	/*
376 	 * While this function can fail, we shouldn't do anything
377 	 * if this happens. Some early DE2 DT entries don't provide
378 	 * mixer id but work nevertheless because matching between
379 	 * TCON and mixer is done by comparing node pointers (old
380 	 * way) instead comparing ids. If this function fails and
381 	 * id is needed, it will fail during id matching anyway.
382 	 */
383 	mixer->engine.id = sun8i_mixer_of_get_id(dev->of_node);
384 
385 	mixer->cfg = of_device_get_match_data(dev);
386 	if (!mixer->cfg)
387 		return -EINVAL;
388 
389 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
390 	regs = devm_ioremap_resource(dev, res);
391 	if (IS_ERR(regs))
392 		return PTR_ERR(regs);
393 
394 	mixer->engine.regs = devm_regmap_init_mmio(dev, regs,
395 						   &sun8i_mixer_regmap_config);
396 	if (IS_ERR(mixer->engine.regs)) {
397 		dev_err(dev, "Couldn't create the mixer regmap\n");
398 		return PTR_ERR(mixer->engine.regs);
399 	}
400 
401 	mixer->reset = devm_reset_control_get(dev, NULL);
402 	if (IS_ERR(mixer->reset)) {
403 		dev_err(dev, "Couldn't get our reset line\n");
404 		return PTR_ERR(mixer->reset);
405 	}
406 
407 	ret = reset_control_deassert(mixer->reset);
408 	if (ret) {
409 		dev_err(dev, "Couldn't deassert our reset line\n");
410 		return ret;
411 	}
412 
413 	mixer->bus_clk = devm_clk_get(dev, "bus");
414 	if (IS_ERR(mixer->bus_clk)) {
415 		dev_err(dev, "Couldn't get the mixer bus clock\n");
416 		ret = PTR_ERR(mixer->bus_clk);
417 		goto err_assert_reset;
418 	}
419 	clk_prepare_enable(mixer->bus_clk);
420 
421 	mixer->mod_clk = devm_clk_get(dev, "mod");
422 	if (IS_ERR(mixer->mod_clk)) {
423 		dev_err(dev, "Couldn't get the mixer module clock\n");
424 		ret = PTR_ERR(mixer->mod_clk);
425 		goto err_disable_bus_clk;
426 	}
427 
428 	/*
429 	 * It seems that we need to enforce that rate for whatever
430 	 * reason for the mixer to be functional. Make sure it's the
431 	 * case.
432 	 */
433 	if (mixer->cfg->mod_rate)
434 		clk_set_rate(mixer->mod_clk, mixer->cfg->mod_rate);
435 
436 	clk_prepare_enable(mixer->mod_clk);
437 
438 	list_add_tail(&mixer->engine.list, &drv->engine_list);
439 
440 	base = sun8i_blender_base(mixer);
441 
442 	/* Reset registers and disable unused sub-engines */
443 	if (mixer->cfg->is_de3) {
444 		for (i = 0; i < DE3_MIXER_UNIT_SIZE; i += 4)
445 			regmap_write(mixer->engine.regs, i, 0);
446 
447 		regmap_write(mixer->engine.regs, SUN50I_MIXER_FCE_EN, 0);
448 		regmap_write(mixer->engine.regs, SUN50I_MIXER_PEAK_EN, 0);
449 		regmap_write(mixer->engine.regs, SUN50I_MIXER_LCTI_EN, 0);
450 		regmap_write(mixer->engine.regs, SUN50I_MIXER_BLS_EN, 0);
451 		regmap_write(mixer->engine.regs, SUN50I_MIXER_FCC_EN, 0);
452 		regmap_write(mixer->engine.regs, SUN50I_MIXER_DNS_EN, 0);
453 		regmap_write(mixer->engine.regs, SUN50I_MIXER_DRC_EN, 0);
454 		regmap_write(mixer->engine.regs, SUN50I_MIXER_FMT_EN, 0);
455 		regmap_write(mixer->engine.regs, SUN50I_MIXER_CDC0_EN, 0);
456 		regmap_write(mixer->engine.regs, SUN50I_MIXER_CDC1_EN, 0);
457 	} else {
458 		for (i = 0; i < DE2_MIXER_UNIT_SIZE; i += 4)
459 			regmap_write(mixer->engine.regs, i, 0);
460 
461 		regmap_write(mixer->engine.regs, SUN8I_MIXER_FCE_EN, 0);
462 		regmap_write(mixer->engine.regs, SUN8I_MIXER_BWS_EN, 0);
463 		regmap_write(mixer->engine.regs, SUN8I_MIXER_LTI_EN, 0);
464 		regmap_write(mixer->engine.regs, SUN8I_MIXER_PEAK_EN, 0);
465 		regmap_write(mixer->engine.regs, SUN8I_MIXER_ASE_EN, 0);
466 		regmap_write(mixer->engine.regs, SUN8I_MIXER_FCC_EN, 0);
467 		regmap_write(mixer->engine.regs, SUN8I_MIXER_DCSC_EN, 0);
468 	}
469 
470 	/* Enable the mixer */
471 	regmap_write(mixer->engine.regs, SUN8I_MIXER_GLOBAL_CTL,
472 		     SUN8I_MIXER_GLOBAL_CTL_RT_EN);
473 
474 	/* Set background color to black */
475 	regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_BKCOLOR(base),
476 		     SUN8I_MIXER_BLEND_COLOR_BLACK);
477 
478 	/*
479 	 * Set fill color of bottom plane to black. Generally not needed
480 	 * except when VI plane is at bottom (zpos = 0) and enabled.
481 	 */
482 	regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_PIPE_CTL(base),
483 		     SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(0));
484 	regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_ATTR_FCOLOR(base, 0),
485 		     SUN8I_MIXER_BLEND_COLOR_BLACK);
486 
487 	plane_cnt = mixer->cfg->vi_num + mixer->cfg->ui_num;
488 	for (i = 0; i < plane_cnt; i++)
489 		regmap_write(mixer->engine.regs,
490 			     SUN8I_MIXER_BLEND_MODE(base, i),
491 			     SUN8I_MIXER_BLEND_MODE_DEF);
492 
493 	regmap_update_bits(mixer->engine.regs, SUN8I_MIXER_BLEND_PIPE_CTL(base),
494 			   SUN8I_MIXER_BLEND_PIPE_CTL_EN_MSK, 0);
495 
496 	return 0;
497 
498 err_disable_bus_clk:
499 	clk_disable_unprepare(mixer->bus_clk);
500 err_assert_reset:
501 	reset_control_assert(mixer->reset);
502 	return ret;
503 }
504 
505 static void sun8i_mixer_unbind(struct device *dev, struct device *master,
506 				 void *data)
507 {
508 	struct sun8i_mixer *mixer = dev_get_drvdata(dev);
509 
510 	list_del(&mixer->engine.list);
511 
512 	clk_disable_unprepare(mixer->mod_clk);
513 	clk_disable_unprepare(mixer->bus_clk);
514 	reset_control_assert(mixer->reset);
515 }
516 
517 static const struct component_ops sun8i_mixer_ops = {
518 	.bind	= sun8i_mixer_bind,
519 	.unbind	= sun8i_mixer_unbind,
520 };
521 
522 static int sun8i_mixer_probe(struct platform_device *pdev)
523 {
524 	return component_add(&pdev->dev, &sun8i_mixer_ops);
525 }
526 
527 static int sun8i_mixer_remove(struct platform_device *pdev)
528 {
529 	component_del(&pdev->dev, &sun8i_mixer_ops);
530 
531 	return 0;
532 }
533 
534 static const struct sun8i_mixer_cfg sun8i_a83t_mixer0_cfg = {
535 	.ccsc		= 0,
536 	.scaler_mask	= 0xf,
537 	.scanline_yuv	= 2048,
538 	.ui_num		= 3,
539 	.vi_num		= 1,
540 };
541 
542 static const struct sun8i_mixer_cfg sun8i_a83t_mixer1_cfg = {
543 	.ccsc		= 1,
544 	.scaler_mask	= 0x3,
545 	.scanline_yuv	= 2048,
546 	.ui_num		= 1,
547 	.vi_num		= 1,
548 };
549 
550 static const struct sun8i_mixer_cfg sun8i_h3_mixer0_cfg = {
551 	.ccsc		= 0,
552 	.mod_rate	= 432000000,
553 	.scaler_mask	= 0xf,
554 	.scanline_yuv	= 2048,
555 	.ui_num		= 3,
556 	.vi_num		= 1,
557 };
558 
559 static const struct sun8i_mixer_cfg sun8i_r40_mixer0_cfg = {
560 	.ccsc		= 0,
561 	.mod_rate	= 297000000,
562 	.scaler_mask	= 0xf,
563 	.scanline_yuv	= 2048,
564 	.ui_num		= 3,
565 	.vi_num		= 1,
566 };
567 
568 static const struct sun8i_mixer_cfg sun8i_r40_mixer1_cfg = {
569 	.ccsc		= 1,
570 	.mod_rate	= 297000000,
571 	.scaler_mask	= 0x3,
572 	.scanline_yuv	= 2048,
573 	.ui_num		= 1,
574 	.vi_num		= 1,
575 };
576 
577 static const struct sun8i_mixer_cfg sun8i_v3s_mixer_cfg = {
578 	.vi_num = 2,
579 	.ui_num = 1,
580 	.scaler_mask = 0x3,
581 	.scanline_yuv = 2048,
582 	.ccsc = 0,
583 	.mod_rate = 150000000,
584 };
585 
586 static const struct sun8i_mixer_cfg sun50i_a64_mixer0_cfg = {
587 	.ccsc		= 0,
588 	.mod_rate	= 297000000,
589 	.scaler_mask	= 0xf,
590 	.scanline_yuv	= 4096,
591 	.ui_num		= 3,
592 	.vi_num		= 1,
593 };
594 
595 static const struct sun8i_mixer_cfg sun50i_a64_mixer1_cfg = {
596 	.ccsc		= 1,
597 	.mod_rate	= 297000000,
598 	.scaler_mask	= 0x3,
599 	.scanline_yuv	= 2048,
600 	.ui_num		= 1,
601 	.vi_num		= 1,
602 };
603 
604 static const struct sun8i_mixer_cfg sun50i_h6_mixer0_cfg = {
605 	.ccsc		= 0,
606 	.is_de3		= true,
607 	.mod_rate	= 600000000,
608 	.scaler_mask	= 0xf,
609 	.scanline_yuv	= 4096,
610 	.ui_num		= 3,
611 	.vi_num		= 1,
612 };
613 
614 static const struct of_device_id sun8i_mixer_of_table[] = {
615 	{
616 		.compatible = "allwinner,sun8i-a83t-de2-mixer-0",
617 		.data = &sun8i_a83t_mixer0_cfg,
618 	},
619 	{
620 		.compatible = "allwinner,sun8i-a83t-de2-mixer-1",
621 		.data = &sun8i_a83t_mixer1_cfg,
622 	},
623 	{
624 		.compatible = "allwinner,sun8i-h3-de2-mixer-0",
625 		.data = &sun8i_h3_mixer0_cfg,
626 	},
627 	{
628 		.compatible = "allwinner,sun8i-r40-de2-mixer-0",
629 		.data = &sun8i_r40_mixer0_cfg,
630 	},
631 	{
632 		.compatible = "allwinner,sun8i-r40-de2-mixer-1",
633 		.data = &sun8i_r40_mixer1_cfg,
634 	},
635 	{
636 		.compatible = "allwinner,sun8i-v3s-de2-mixer",
637 		.data = &sun8i_v3s_mixer_cfg,
638 	},
639 	{
640 		.compatible = "allwinner,sun50i-a64-de2-mixer-0",
641 		.data = &sun50i_a64_mixer0_cfg,
642 	},
643 	{
644 		.compatible = "allwinner,sun50i-a64-de2-mixer-1",
645 		.data = &sun50i_a64_mixer1_cfg,
646 	},
647 	{
648 		.compatible = "allwinner,sun50i-h6-de3-mixer-0",
649 		.data = &sun50i_h6_mixer0_cfg,
650 	},
651 	{ }
652 };
653 MODULE_DEVICE_TABLE(of, sun8i_mixer_of_table);
654 
655 static struct platform_driver sun8i_mixer_platform_driver = {
656 	.probe		= sun8i_mixer_probe,
657 	.remove		= sun8i_mixer_remove,
658 	.driver		= {
659 		.name		= "sun8i-mixer",
660 		.of_match_table	= sun8i_mixer_of_table,
661 	},
662 };
663 module_platform_driver(sun8i_mixer_platform_driver);
664 
665 MODULE_AUTHOR("Icenowy Zheng <icenowy@aosc.io>");
666 MODULE_DESCRIPTION("Allwinner DE2 Mixer driver");
667 MODULE_LICENSE("GPL");
668