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.h>
14#include <linux/of_device.h>
15#include <linux/of_graph.h>
16#include <linux/platform_device.h>
17#include <linux/reset.h>
18
19#include <drm/drm_atomic_helper.h>
20#include <drm/drm_crtc.h>
21#include <drm/drm_framebuffer.h>
22#include <drm/drm_gem_dma_helper.h>
23#include <drm/drm_probe_helper.h>
24
25#include "sun4i_drv.h"
26#include "sun8i_mixer.h"
27#include "sun8i_ui_layer.h"
28#include "sun8i_vi_layer.h"
29#include "sunxi_engine.h"
30
31struct de2_fmt_info {
32 u32 drm_fmt;
33 u32 de2_fmt;
34};
35
36static const struct de2_fmt_info de2_formats[] = {
37 {
38 .drm_fmt = DRM_FORMAT_ARGB8888,
39 .de2_fmt = SUN8I_MIXER_FBFMT_ARGB8888,
40 },
41 {
42 .drm_fmt = DRM_FORMAT_ABGR8888,
43 .de2_fmt = SUN8I_MIXER_FBFMT_ABGR8888,
44 },
45 {
46 .drm_fmt = DRM_FORMAT_RGBA8888,
47 .de2_fmt = SUN8I_MIXER_FBFMT_RGBA8888,
48 },
49 {
50 .drm_fmt = DRM_FORMAT_BGRA8888,
51 .de2_fmt = SUN8I_MIXER_FBFMT_BGRA8888,
52 },
53 {
54 .drm_fmt = DRM_FORMAT_XRGB8888,
55 .de2_fmt = SUN8I_MIXER_FBFMT_XRGB8888,
56 },
57 {
58 .drm_fmt = DRM_FORMAT_XBGR8888,
59 .de2_fmt = SUN8I_MIXER_FBFMT_XBGR8888,
60 },
61 {
62 .drm_fmt = DRM_FORMAT_RGBX8888,
63 .de2_fmt = SUN8I_MIXER_FBFMT_RGBX8888,
64 },
65 {
66 .drm_fmt = DRM_FORMAT_BGRX8888,
67 .de2_fmt = SUN8I_MIXER_FBFMT_BGRX8888,
68 },
69 {
70 .drm_fmt = DRM_FORMAT_RGB888,
71 .de2_fmt = SUN8I_MIXER_FBFMT_RGB888,
72 },
73 {
74 .drm_fmt = DRM_FORMAT_BGR888,
75 .de2_fmt = SUN8I_MIXER_FBFMT_BGR888,
76 },
77 {
78 .drm_fmt = DRM_FORMAT_RGB565,
79 .de2_fmt = SUN8I_MIXER_FBFMT_RGB565,
80 },
81 {
82 .drm_fmt = DRM_FORMAT_BGR565,
83 .de2_fmt = SUN8I_MIXER_FBFMT_BGR565,
84 },
85 {
86 .drm_fmt = DRM_FORMAT_ARGB4444,
87 .de2_fmt = SUN8I_MIXER_FBFMT_ARGB4444,
88 },
89 {
90 /* for DE2 VI layer which ignores alpha */
91 .drm_fmt = DRM_FORMAT_XRGB4444,
92 .de2_fmt = SUN8I_MIXER_FBFMT_ARGB4444,
93 },
94 {
95 .drm_fmt = DRM_FORMAT_ABGR4444,
96 .de2_fmt = SUN8I_MIXER_FBFMT_ABGR4444,
97 },
98 {
99 /* for DE2 VI layer which ignores alpha */
100 .drm_fmt = DRM_FORMAT_XBGR4444,
101 .de2_fmt = SUN8I_MIXER_FBFMT_ABGR4444,
102 },
103 {
104 .drm_fmt = DRM_FORMAT_RGBA4444,
105 .de2_fmt = SUN8I_MIXER_FBFMT_RGBA4444,
106 },
107 {
108 /* for DE2 VI layer which ignores alpha */
109 .drm_fmt = DRM_FORMAT_RGBX4444,
110 .de2_fmt = SUN8I_MIXER_FBFMT_RGBA4444,
111 },
112 {
113 .drm_fmt = DRM_FORMAT_BGRA4444,
114 .de2_fmt = SUN8I_MIXER_FBFMT_BGRA4444,
115 },
116 {
117 /* for DE2 VI layer which ignores alpha */
118 .drm_fmt = DRM_FORMAT_BGRX4444,
119 .de2_fmt = SUN8I_MIXER_FBFMT_BGRA4444,
120 },
121 {
122 .drm_fmt = DRM_FORMAT_ARGB1555,
123 .de2_fmt = SUN8I_MIXER_FBFMT_ARGB1555,
124 },
125 {
126 /* for DE2 VI layer which ignores alpha */
127 .drm_fmt = DRM_FORMAT_XRGB1555,
128 .de2_fmt = SUN8I_MIXER_FBFMT_ARGB1555,
129 },
130 {
131 .drm_fmt = DRM_FORMAT_ABGR1555,
132 .de2_fmt = SUN8I_MIXER_FBFMT_ABGR1555,
133 },
134 {
135 /* for DE2 VI layer which ignores alpha */
136 .drm_fmt = DRM_FORMAT_XBGR1555,
137 .de2_fmt = SUN8I_MIXER_FBFMT_ABGR1555,
138 },
139 {
140 .drm_fmt = DRM_FORMAT_RGBA5551,
141 .de2_fmt = SUN8I_MIXER_FBFMT_RGBA5551,
142 },
143 {
144 /* for DE2 VI layer which ignores alpha */
145 .drm_fmt = DRM_FORMAT_RGBX5551,
146 .de2_fmt = SUN8I_MIXER_FBFMT_RGBA5551,
147 },
148 {
149 .drm_fmt = DRM_FORMAT_BGRA5551,
150 .de2_fmt = SUN8I_MIXER_FBFMT_BGRA5551,
151 },
152 {
153 /* for DE2 VI layer which ignores alpha */
154 .drm_fmt = DRM_FORMAT_BGRX5551,
155 .de2_fmt = SUN8I_MIXER_FBFMT_BGRA5551,
156 },
157 {
158 .drm_fmt = DRM_FORMAT_ARGB2101010,
159 .de2_fmt = SUN8I_MIXER_FBFMT_ARGB2101010,
160 },
161 {
162 .drm_fmt = DRM_FORMAT_ABGR2101010,
163 .de2_fmt = SUN8I_MIXER_FBFMT_ABGR2101010,
164 },
165 {
166 .drm_fmt = DRM_FORMAT_RGBA1010102,
167 .de2_fmt = SUN8I_MIXER_FBFMT_RGBA1010102,
168 },
169 {
170 .drm_fmt = DRM_FORMAT_BGRA1010102,
171 .de2_fmt = SUN8I_MIXER_FBFMT_BGRA1010102,
172 },
173 {
174 .drm_fmt = DRM_FORMAT_UYVY,
175 .de2_fmt = SUN8I_MIXER_FBFMT_UYVY,
176 },
177 {
178 .drm_fmt = DRM_FORMAT_VYUY,
179 .de2_fmt = SUN8I_MIXER_FBFMT_VYUY,
180 },
181 {
182 .drm_fmt = DRM_FORMAT_YUYV,
183 .de2_fmt = SUN8I_MIXER_FBFMT_YUYV,
184 },
185 {
186 .drm_fmt = DRM_FORMAT_YVYU,
187 .de2_fmt = SUN8I_MIXER_FBFMT_YVYU,
188 },
189 {
190 .drm_fmt = DRM_FORMAT_NV16,
191 .de2_fmt = SUN8I_MIXER_FBFMT_NV16,
192 },
193 {
194 .drm_fmt = DRM_FORMAT_NV61,
195 .de2_fmt = SUN8I_MIXER_FBFMT_NV61,
196 },
197 {
198 .drm_fmt = DRM_FORMAT_NV12,
199 .de2_fmt = SUN8I_MIXER_FBFMT_NV12,
200 },
201 {
202 .drm_fmt = DRM_FORMAT_NV21,
203 .de2_fmt = SUN8I_MIXER_FBFMT_NV21,
204 },
205 {
206 .drm_fmt = DRM_FORMAT_YUV422,
207 .de2_fmt = SUN8I_MIXER_FBFMT_YUV422,
208 },
209 {
210 .drm_fmt = DRM_FORMAT_YUV420,
211 .de2_fmt = SUN8I_MIXER_FBFMT_YUV420,
212 },
213 {
214 .drm_fmt = DRM_FORMAT_YUV411,
215 .de2_fmt = SUN8I_MIXER_FBFMT_YUV411,
216 },
217 {
218 .drm_fmt = DRM_FORMAT_YVU422,
219 .de2_fmt = SUN8I_MIXER_FBFMT_YUV422,
220 },
221 {
222 .drm_fmt = DRM_FORMAT_YVU420,
223 .de2_fmt = SUN8I_MIXER_FBFMT_YUV420,
224 },
225 {
226 .drm_fmt = DRM_FORMAT_YVU411,
227 .de2_fmt = SUN8I_MIXER_FBFMT_YUV411,
228 },
229 {
230 .drm_fmt = DRM_FORMAT_P010,
231 .de2_fmt = SUN8I_MIXER_FBFMT_P010_YUV,
232 },
233 {
234 .drm_fmt = DRM_FORMAT_P210,
235 .de2_fmt = SUN8I_MIXER_FBFMT_P210_YUV,
236 },
237};
238
239int sun8i_mixer_drm_format_to_hw(u32 format, u32 *hw_format)
240{
241 unsigned int i;
242
243 for (i = 0; i < ARRAY_SIZE(de2_formats); ++i)
244 if (de2_formats[i].drm_fmt == format) {
245 *hw_format = de2_formats[i].de2_fmt;
246 return 0;
247 }
248
249 return -EINVAL;
250}
251
252static void sun8i_mixer_commit(struct sunxi_engine *engine)
253{
254 DRM_DEBUG_DRIVER("Committing changes\n");
255
256 regmap_write(map: engine->regs, SUN8I_MIXER_GLOBAL_DBUFF,
257 SUN8I_MIXER_GLOBAL_DBUFF_ENABLE);
258}
259
260static struct drm_plane **sun8i_layers_init(struct drm_device *drm,
261 struct sunxi_engine *engine)
262{
263 struct drm_plane **planes;
264 struct sun8i_mixer *mixer = engine_to_sun8i_mixer(engine);
265 int i;
266
267 planes = devm_kcalloc(dev: drm->dev,
268 n: mixer->cfg->vi_num + mixer->cfg->ui_num + 1,
269 size: sizeof(*planes), GFP_KERNEL);
270 if (!planes)
271 return ERR_PTR(error: -ENOMEM);
272
273 for (i = 0; i < mixer->cfg->vi_num; i++) {
274 struct sun8i_vi_layer *layer;
275
276 layer = sun8i_vi_layer_init_one(drm, mixer, index: i);
277 if (IS_ERR(ptr: layer)) {
278 dev_err(drm->dev,
279 "Couldn't initialize overlay plane\n");
280 return ERR_CAST(ptr: layer);
281 }
282
283 planes[i] = &layer->plane;
284 }
285
286 for (i = 0; i < mixer->cfg->ui_num; i++) {
287 struct sun8i_ui_layer *layer;
288
289 layer = sun8i_ui_layer_init_one(drm, mixer, index: i);
290 if (IS_ERR(ptr: layer)) {
291 dev_err(drm->dev, "Couldn't initialize %s plane\n",
292 i ? "overlay" : "primary");
293 return ERR_CAST(ptr: layer);
294 }
295
296 planes[mixer->cfg->vi_num + i] = &layer->plane;
297 }
298
299 return planes;
300}
301
302static void sun8i_mixer_mode_set(struct sunxi_engine *engine,
303 const struct drm_display_mode *mode)
304{
305 struct sun8i_mixer *mixer = engine_to_sun8i_mixer(engine);
306 u32 bld_base, size, val;
307 bool interlaced;
308
309 bld_base = sun8i_blender_base(mixer);
310 interlaced = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
311 size = SUN8I_MIXER_SIZE(mode->hdisplay, mode->vdisplay);
312
313 DRM_DEBUG_DRIVER("Updating global size W: %u H: %u\n",
314 mode->hdisplay, mode->vdisplay);
315
316 regmap_write(map: engine->regs, SUN8I_MIXER_GLOBAL_SIZE, val: size);
317 regmap_write(map: engine->regs, SUN8I_MIXER_BLEND_OUTSIZE(bld_base), val: size);
318
319 if (interlaced)
320 val = SUN8I_MIXER_BLEND_OUTCTL_INTERLACED;
321 else
322 val = 0;
323
324 regmap_update_bits(map: engine->regs, SUN8I_MIXER_BLEND_OUTCTL(bld_base),
325 SUN8I_MIXER_BLEND_OUTCTL_INTERLACED, val);
326
327 DRM_DEBUG_DRIVER("Switching display mixer interlaced mode %s\n",
328 interlaced ? "on" : "off");
329}
330
331static const struct sunxi_engine_ops sun8i_engine_ops = {
332 .commit = sun8i_mixer_commit,
333 .layers_init = sun8i_layers_init,
334 .mode_set = sun8i_mixer_mode_set,
335};
336
337static const struct regmap_config sun8i_mixer_regmap_config = {
338 .reg_bits = 32,
339 .val_bits = 32,
340 .reg_stride = 4,
341 .max_register = 0xffffc, /* guessed */
342};
343
344static int sun8i_mixer_of_get_id(struct device_node *node)
345{
346 struct device_node *ep, *remote;
347 struct of_endpoint of_ep;
348
349 /* Output port is 1, and we want the first endpoint. */
350 ep = of_graph_get_endpoint_by_regs(parent: node, port_reg: 1, reg: -1);
351 if (!ep)
352 return -EINVAL;
353
354 remote = of_graph_get_remote_endpoint(node: ep);
355 of_node_put(node: ep);
356 if (!remote)
357 return -EINVAL;
358
359 of_graph_parse_endpoint(node: remote, endpoint: &of_ep);
360 of_node_put(node: remote);
361 return of_ep.id;
362}
363
364static int sun8i_mixer_bind(struct device *dev, struct device *master,
365 void *data)
366{
367 struct platform_device *pdev = to_platform_device(dev);
368 struct drm_device *drm = data;
369 struct sun4i_drv *drv = drm->dev_private;
370 struct sun8i_mixer *mixer;
371 void __iomem *regs;
372 unsigned int base;
373 int plane_cnt;
374 int i, ret;
375
376 /*
377 * The mixer uses single 32-bit register to store memory
378 * addresses, so that it cannot deal with 64-bit memory
379 * addresses.
380 * Restrict the DMA mask so that the mixer won't be
381 * allocated some memory that is too high.
382 */
383 ret = dma_set_mask(dev, DMA_BIT_MASK(32));
384 if (ret) {
385 dev_err(dev, "Cannot do 32-bit DMA.\n");
386 return ret;
387 }
388
389 mixer = devm_kzalloc(dev, size: sizeof(*mixer), GFP_KERNEL);
390 if (!mixer)
391 return -ENOMEM;
392 dev_set_drvdata(dev, data: mixer);
393 mixer->engine.ops = &sun8i_engine_ops;
394 mixer->engine.node = dev->of_node;
395
396 if (of_property_present(np: dev->of_node, propname: "iommus")) {
397 /*
398 * This assume we have the same DMA constraints for
399 * all our the mixers in our pipeline. This sounds
400 * bad, but it has always been the case for us, and
401 * DRM doesn't do per-device allocation either, so we
402 * would need to fix DRM first...
403 */
404 ret = of_dma_configure(dev: drm->dev, np: dev->of_node, force_dma: true);
405 if (ret)
406 return ret;
407 }
408
409 /*
410 * While this function can fail, we shouldn't do anything
411 * if this happens. Some early DE2 DT entries don't provide
412 * mixer id but work nevertheless because matching between
413 * TCON and mixer is done by comparing node pointers (old
414 * way) instead comparing ids. If this function fails and
415 * id is needed, it will fail during id matching anyway.
416 */
417 mixer->engine.id = sun8i_mixer_of_get_id(node: dev->of_node);
418
419 mixer->cfg = of_device_get_match_data(dev);
420 if (!mixer->cfg)
421 return -EINVAL;
422
423 regs = devm_platform_ioremap_resource(pdev, index: 0);
424 if (IS_ERR(ptr: regs))
425 return PTR_ERR(ptr: regs);
426
427 mixer->engine.regs = devm_regmap_init_mmio(dev, regs,
428 &sun8i_mixer_regmap_config);
429 if (IS_ERR(ptr: mixer->engine.regs)) {
430 dev_err(dev, "Couldn't create the mixer regmap\n");
431 return PTR_ERR(ptr: mixer->engine.regs);
432 }
433
434 mixer->reset = devm_reset_control_get(dev, NULL);
435 if (IS_ERR(ptr: mixer->reset)) {
436 dev_err(dev, "Couldn't get our reset line\n");
437 return PTR_ERR(ptr: mixer->reset);
438 }
439
440 ret = reset_control_deassert(rstc: mixer->reset);
441 if (ret) {
442 dev_err(dev, "Couldn't deassert our reset line\n");
443 return ret;
444 }
445
446 mixer->bus_clk = devm_clk_get(dev, id: "bus");
447 if (IS_ERR(ptr: mixer->bus_clk)) {
448 dev_err(dev, "Couldn't get the mixer bus clock\n");
449 ret = PTR_ERR(ptr: mixer->bus_clk);
450 goto err_assert_reset;
451 }
452 clk_prepare_enable(clk: mixer->bus_clk);
453
454 mixer->mod_clk = devm_clk_get(dev, id: "mod");
455 if (IS_ERR(ptr: mixer->mod_clk)) {
456 dev_err(dev, "Couldn't get the mixer module clock\n");
457 ret = PTR_ERR(ptr: mixer->mod_clk);
458 goto err_disable_bus_clk;
459 }
460
461 /*
462 * It seems that we need to enforce that rate for whatever
463 * reason for the mixer to be functional. Make sure it's the
464 * case.
465 */
466 if (mixer->cfg->mod_rate)
467 clk_set_rate(clk: mixer->mod_clk, rate: mixer->cfg->mod_rate);
468
469 clk_prepare_enable(clk: mixer->mod_clk);
470
471 list_add_tail(new: &mixer->engine.list, head: &drv->engine_list);
472
473 base = sun8i_blender_base(mixer);
474
475 /* Reset registers and disable unused sub-engines */
476 if (mixer->cfg->is_de3) {
477 for (i = 0; i < DE3_MIXER_UNIT_SIZE; i += 4)
478 regmap_write(map: mixer->engine.regs, reg: i, val: 0);
479
480 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_FCE_EN, val: 0);
481 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_PEAK_EN, val: 0);
482 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_LCTI_EN, val: 0);
483 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_BLS_EN, val: 0);
484 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_FCC_EN, val: 0);
485 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_DNS_EN, val: 0);
486 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_DRC_EN, val: 0);
487 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_FMT_EN, val: 0);
488 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_CDC0_EN, val: 0);
489 regmap_write(map: mixer->engine.regs, SUN50I_MIXER_CDC1_EN, val: 0);
490 } else {
491 for (i = 0; i < DE2_MIXER_UNIT_SIZE; i += 4)
492 regmap_write(map: mixer->engine.regs, reg: i, val: 0);
493
494 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_FCE_EN, val: 0);
495 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_BWS_EN, val: 0);
496 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_LTI_EN, val: 0);
497 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_PEAK_EN, val: 0);
498 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_ASE_EN, val: 0);
499 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_FCC_EN, val: 0);
500 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_DCSC_EN, val: 0);
501 }
502
503 /* Enable the mixer */
504 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_GLOBAL_CTL,
505 SUN8I_MIXER_GLOBAL_CTL_RT_EN);
506
507 /* Set background color to black */
508 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_BLEND_BKCOLOR(base),
509 SUN8I_MIXER_BLEND_COLOR_BLACK);
510
511 /*
512 * Set fill color of bottom plane to black. Generally not needed
513 * except when VI plane is at bottom (zpos = 0) and enabled.
514 */
515 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_BLEND_PIPE_CTL(base),
516 SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(0));
517 regmap_write(map: mixer->engine.regs, SUN8I_MIXER_BLEND_ATTR_FCOLOR(base, 0),
518 SUN8I_MIXER_BLEND_COLOR_BLACK);
519
520 plane_cnt = mixer->cfg->vi_num + mixer->cfg->ui_num;
521 for (i = 0; i < plane_cnt; i++)
522 regmap_write(map: mixer->engine.regs,
523 SUN8I_MIXER_BLEND_MODE(base, i),
524 SUN8I_MIXER_BLEND_MODE_DEF);
525
526 regmap_update_bits(map: mixer->engine.regs, SUN8I_MIXER_BLEND_PIPE_CTL(base),
527 SUN8I_MIXER_BLEND_PIPE_CTL_EN_MSK, val: 0);
528
529 return 0;
530
531err_disable_bus_clk:
532 clk_disable_unprepare(clk: mixer->bus_clk);
533err_assert_reset:
534 reset_control_assert(rstc: mixer->reset);
535 return ret;
536}
537
538static void sun8i_mixer_unbind(struct device *dev, struct device *master,
539 void *data)
540{
541 struct sun8i_mixer *mixer = dev_get_drvdata(dev);
542
543 list_del(entry: &mixer->engine.list);
544
545 clk_disable_unprepare(clk: mixer->mod_clk);
546 clk_disable_unprepare(clk: mixer->bus_clk);
547 reset_control_assert(rstc: mixer->reset);
548}
549
550static const struct component_ops sun8i_mixer_ops = {
551 .bind = sun8i_mixer_bind,
552 .unbind = sun8i_mixer_unbind,
553};
554
555static int sun8i_mixer_probe(struct platform_device *pdev)
556{
557 return component_add(&pdev->dev, &sun8i_mixer_ops);
558}
559
560static void sun8i_mixer_remove(struct platform_device *pdev)
561{
562 component_del(&pdev->dev, &sun8i_mixer_ops);
563}
564
565static const struct sun8i_mixer_cfg sun8i_a83t_mixer0_cfg = {
566 .ccsc = CCSC_MIXER0_LAYOUT,
567 .scaler_mask = 0xf,
568 .scanline_yuv = 2048,
569 .ui_num = 3,
570 .vi_num = 1,
571};
572
573static const struct sun8i_mixer_cfg sun8i_a83t_mixer1_cfg = {
574 .ccsc = CCSC_MIXER1_LAYOUT,
575 .scaler_mask = 0x3,
576 .scanline_yuv = 2048,
577 .ui_num = 1,
578 .vi_num = 1,
579};
580
581static const struct sun8i_mixer_cfg sun8i_h3_mixer0_cfg = {
582 .ccsc = CCSC_MIXER0_LAYOUT,
583 .mod_rate = 432000000,
584 .scaler_mask = 0xf,
585 .scanline_yuv = 2048,
586 .ui_num = 3,
587 .vi_num = 1,
588};
589
590static const struct sun8i_mixer_cfg sun8i_r40_mixer0_cfg = {
591 .ccsc = CCSC_MIXER0_LAYOUT,
592 .mod_rate = 297000000,
593 .scaler_mask = 0xf,
594 .scanline_yuv = 2048,
595 .ui_num = 3,
596 .vi_num = 1,
597};
598
599static const struct sun8i_mixer_cfg sun8i_r40_mixer1_cfg = {
600 .ccsc = CCSC_MIXER1_LAYOUT,
601 .mod_rate = 297000000,
602 .scaler_mask = 0x3,
603 .scanline_yuv = 2048,
604 .ui_num = 1,
605 .vi_num = 1,
606};
607
608static const struct sun8i_mixer_cfg sun8i_v3s_mixer_cfg = {
609 .vi_num = 2,
610 .ui_num = 1,
611 .scaler_mask = 0x3,
612 .scanline_yuv = 2048,
613 .ccsc = CCSC_MIXER0_LAYOUT,
614 .mod_rate = 150000000,
615};
616
617static const struct sun8i_mixer_cfg sun20i_d1_mixer0_cfg = {
618 .ccsc = CCSC_D1_MIXER0_LAYOUT,
619 .mod_rate = 297000000,
620 .scaler_mask = 0x3,
621 .scanline_yuv = 2048,
622 .ui_num = 1,
623 .vi_num = 1,
624};
625
626static const struct sun8i_mixer_cfg sun20i_d1_mixer1_cfg = {
627 .ccsc = CCSC_MIXER1_LAYOUT,
628 .mod_rate = 297000000,
629 .scaler_mask = 0x1,
630 .scanline_yuv = 1024,
631 .ui_num = 0,
632 .vi_num = 1,
633};
634
635static const struct sun8i_mixer_cfg sun50i_a64_mixer0_cfg = {
636 .ccsc = CCSC_MIXER0_LAYOUT,
637 .mod_rate = 297000000,
638 .scaler_mask = 0xf,
639 .scanline_yuv = 4096,
640 .ui_num = 3,
641 .vi_num = 1,
642};
643
644static const struct sun8i_mixer_cfg sun50i_a64_mixer1_cfg = {
645 .ccsc = CCSC_MIXER1_LAYOUT,
646 .mod_rate = 297000000,
647 .scaler_mask = 0x3,
648 .scanline_yuv = 2048,
649 .ui_num = 1,
650 .vi_num = 1,
651};
652
653static const struct sun8i_mixer_cfg sun50i_h6_mixer0_cfg = {
654 .ccsc = CCSC_MIXER0_LAYOUT,
655 .is_de3 = true,
656 .mod_rate = 600000000,
657 .scaler_mask = 0xf,
658 .scanline_yuv = 4096,
659 .ui_num = 3,
660 .vi_num = 1,
661};
662
663static const struct of_device_id sun8i_mixer_of_table[] = {
664 {
665 .compatible = "allwinner,sun8i-a83t-de2-mixer-0",
666 .data = &sun8i_a83t_mixer0_cfg,
667 },
668 {
669 .compatible = "allwinner,sun8i-a83t-de2-mixer-1",
670 .data = &sun8i_a83t_mixer1_cfg,
671 },
672 {
673 .compatible = "allwinner,sun8i-h3-de2-mixer-0",
674 .data = &sun8i_h3_mixer0_cfg,
675 },
676 {
677 .compatible = "allwinner,sun8i-r40-de2-mixer-0",
678 .data = &sun8i_r40_mixer0_cfg,
679 },
680 {
681 .compatible = "allwinner,sun8i-r40-de2-mixer-1",
682 .data = &sun8i_r40_mixer1_cfg,
683 },
684 {
685 .compatible = "allwinner,sun8i-v3s-de2-mixer",
686 .data = &sun8i_v3s_mixer_cfg,
687 },
688 {
689 .compatible = "allwinner,sun20i-d1-de2-mixer-0",
690 .data = &sun20i_d1_mixer0_cfg,
691 },
692 {
693 .compatible = "allwinner,sun20i-d1-de2-mixer-1",
694 .data = &sun20i_d1_mixer1_cfg,
695 },
696 {
697 .compatible = "allwinner,sun50i-a64-de2-mixer-0",
698 .data = &sun50i_a64_mixer0_cfg,
699 },
700 {
701 .compatible = "allwinner,sun50i-a64-de2-mixer-1",
702 .data = &sun50i_a64_mixer1_cfg,
703 },
704 {
705 .compatible = "allwinner,sun50i-h6-de3-mixer-0",
706 .data = &sun50i_h6_mixer0_cfg,
707 },
708 { }
709};
710MODULE_DEVICE_TABLE(of, sun8i_mixer_of_table);
711
712static struct platform_driver sun8i_mixer_platform_driver = {
713 .probe = sun8i_mixer_probe,
714 .remove_new = sun8i_mixer_remove,
715 .driver = {
716 .name = "sun8i-mixer",
717 .of_match_table = sun8i_mixer_of_table,
718 },
719};
720module_platform_driver(sun8i_mixer_platform_driver);
721
722MODULE_AUTHOR("Icenowy Zheng <icenowy@aosc.io>");
723MODULE_DESCRIPTION("Allwinner DE2 Mixer driver");
724MODULE_LICENSE("GPL");
725

source code of linux/drivers/gpu/drm/sun4i/sun8i_mixer.c