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8#include <drm/drmP.h>
9#include <drm/drm_atomic.h>
10#include <drm/drm_atomic_helper.h>
11#include <drm/drm_fb_cma_helper.h>
12#include <drm/drm_gem_cma_helper.h>
13#include <drm/drm_gem_framebuffer_helper.h>
14#include <drm/drm_plane_helper.h>
15
16#include "video/imx-ipu-v3.h"
17#include "imx-drm.h"
18#include "ipuv3-plane.h"
19
20struct ipu_plane_state {
21 struct drm_plane_state base;
22 bool use_pre;
23};
24
25static inline struct ipu_plane_state *
26to_ipu_plane_state(struct drm_plane_state *p)
27{
28 return container_of(p, struct ipu_plane_state, base);
29}
30
31static inline struct ipu_plane *to_ipu_plane(struct drm_plane *p)
32{
33 return container_of(p, struct ipu_plane, base);
34}
35
36static const uint32_t ipu_plane_formats[] = {
37 DRM_FORMAT_ARGB1555,
38 DRM_FORMAT_XRGB1555,
39 DRM_FORMAT_ABGR1555,
40 DRM_FORMAT_XBGR1555,
41 DRM_FORMAT_RGBA5551,
42 DRM_FORMAT_BGRA5551,
43 DRM_FORMAT_ARGB4444,
44 DRM_FORMAT_ARGB8888,
45 DRM_FORMAT_XRGB8888,
46 DRM_FORMAT_ABGR8888,
47 DRM_FORMAT_XBGR8888,
48 DRM_FORMAT_RGBA8888,
49 DRM_FORMAT_RGBX8888,
50 DRM_FORMAT_BGRA8888,
51 DRM_FORMAT_BGRX8888,
52 DRM_FORMAT_UYVY,
53 DRM_FORMAT_VYUY,
54 DRM_FORMAT_YUYV,
55 DRM_FORMAT_YVYU,
56 DRM_FORMAT_YUV420,
57 DRM_FORMAT_YVU420,
58 DRM_FORMAT_YUV422,
59 DRM_FORMAT_YVU422,
60 DRM_FORMAT_YUV444,
61 DRM_FORMAT_YVU444,
62 DRM_FORMAT_NV12,
63 DRM_FORMAT_NV16,
64 DRM_FORMAT_RGB565,
65 DRM_FORMAT_RGB565_A8,
66 DRM_FORMAT_BGR565_A8,
67 DRM_FORMAT_RGB888_A8,
68 DRM_FORMAT_BGR888_A8,
69 DRM_FORMAT_RGBX8888_A8,
70 DRM_FORMAT_BGRX8888_A8,
71};
72
73static const uint64_t ipu_format_modifiers[] = {
74 DRM_FORMAT_MOD_LINEAR,
75 DRM_FORMAT_MOD_INVALID
76};
77
78static const uint64_t pre_format_modifiers[] = {
79 DRM_FORMAT_MOD_LINEAR,
80 DRM_FORMAT_MOD_VIVANTE_TILED,
81 DRM_FORMAT_MOD_VIVANTE_SUPER_TILED,
82 DRM_FORMAT_MOD_INVALID
83};
84
85int ipu_plane_irq(struct ipu_plane *ipu_plane)
86{
87 return ipu_idmac_channel_irq(ipu_plane->ipu, ipu_plane->ipu_ch,
88 IPU_IRQ_EOF);
89}
90
91static inline unsigned long
92drm_plane_state_to_eba(struct drm_plane_state *state, int plane)
93{
94 struct drm_framebuffer *fb = state->fb;
95 struct drm_gem_cma_object *cma_obj;
96 int x = state->src.x1 >> 16;
97 int y = state->src.y1 >> 16;
98
99 cma_obj = drm_fb_cma_get_gem_obj(fb, plane);
100 BUG_ON(!cma_obj);
101
102 return cma_obj->paddr + fb->offsets[plane] + fb->pitches[plane] * y +
103 fb->format->cpp[plane] * x;
104}
105
106static inline unsigned long
107drm_plane_state_to_ubo(struct drm_plane_state *state)
108{
109 struct drm_framebuffer *fb = state->fb;
110 struct drm_gem_cma_object *cma_obj;
111 unsigned long eba = drm_plane_state_to_eba(state, 0);
112 int x = state->src.x1 >> 16;
113 int y = state->src.y1 >> 16;
114
115 cma_obj = drm_fb_cma_get_gem_obj(fb, 1);
116 BUG_ON(!cma_obj);
117
118 x /= drm_format_horz_chroma_subsampling(fb->format->format);
119 y /= drm_format_vert_chroma_subsampling(fb->format->format);
120
121 return cma_obj->paddr + fb->offsets[1] + fb->pitches[1] * y +
122 fb->format->cpp[1] * x - eba;
123}
124
125static inline unsigned long
126drm_plane_state_to_vbo(struct drm_plane_state *state)
127{
128 struct drm_framebuffer *fb = state->fb;
129 struct drm_gem_cma_object *cma_obj;
130 unsigned long eba = drm_plane_state_to_eba(state, 0);
131 int x = state->src.x1 >> 16;
132 int y = state->src.y1 >> 16;
133
134 cma_obj = drm_fb_cma_get_gem_obj(fb, 2);
135 BUG_ON(!cma_obj);
136
137 x /= drm_format_horz_chroma_subsampling(fb->format->format);
138 y /= drm_format_vert_chroma_subsampling(fb->format->format);
139
140 return cma_obj->paddr + fb->offsets[2] + fb->pitches[2] * y +
141 fb->format->cpp[2] * x - eba;
142}
143
144void ipu_plane_put_resources(struct ipu_plane *ipu_plane)
145{
146 if (!IS_ERR_OR_NULL(ipu_plane->dp))
147 ipu_dp_put(ipu_plane->dp);
148 if (!IS_ERR_OR_NULL(ipu_plane->dmfc))
149 ipu_dmfc_put(ipu_plane->dmfc);
150 if (!IS_ERR_OR_NULL(ipu_plane->ipu_ch))
151 ipu_idmac_put(ipu_plane->ipu_ch);
152 if (!IS_ERR_OR_NULL(ipu_plane->alpha_ch))
153 ipu_idmac_put(ipu_plane->alpha_ch);
154}
155
156int ipu_plane_get_resources(struct ipu_plane *ipu_plane)
157{
158 int ret;
159 int alpha_ch;
160
161 ipu_plane->ipu_ch = ipu_idmac_get(ipu_plane->ipu, ipu_plane->dma);
162 if (IS_ERR(ipu_plane->ipu_ch)) {
163 ret = PTR_ERR(ipu_plane->ipu_ch);
164 DRM_ERROR("failed to get idmac channel: %d\n", ret);
165 return ret;
166 }
167
168 alpha_ch = ipu_channel_alpha_channel(ipu_plane->dma);
169 if (alpha_ch >= 0) {
170 ipu_plane->alpha_ch = ipu_idmac_get(ipu_plane->ipu, alpha_ch);
171 if (IS_ERR(ipu_plane->alpha_ch)) {
172 ret = PTR_ERR(ipu_plane->alpha_ch);
173 DRM_ERROR("failed to get alpha idmac channel %d: %d\n",
174 alpha_ch, ret);
175 return ret;
176 }
177 }
178
179 ipu_plane->dmfc = ipu_dmfc_get(ipu_plane->ipu, ipu_plane->dma);
180 if (IS_ERR(ipu_plane->dmfc)) {
181 ret = PTR_ERR(ipu_plane->dmfc);
182 DRM_ERROR("failed to get dmfc: ret %d\n", ret);
183 goto err_out;
184 }
185
186 if (ipu_plane->dp_flow >= 0) {
187 ipu_plane->dp = ipu_dp_get(ipu_plane->ipu, ipu_plane->dp_flow);
188 if (IS_ERR(ipu_plane->dp)) {
189 ret = PTR_ERR(ipu_plane->dp);
190 DRM_ERROR("failed to get dp flow: %d\n", ret);
191 goto err_out;
192 }
193 }
194
195 return 0;
196err_out:
197 ipu_plane_put_resources(ipu_plane);
198
199 return ret;
200}
201
202static bool ipu_plane_separate_alpha(struct ipu_plane *ipu_plane)
203{
204 switch (ipu_plane->base.state->fb->format->format) {
205 case DRM_FORMAT_RGB565_A8:
206 case DRM_FORMAT_BGR565_A8:
207 case DRM_FORMAT_RGB888_A8:
208 case DRM_FORMAT_BGR888_A8:
209 case DRM_FORMAT_RGBX8888_A8:
210 case DRM_FORMAT_BGRX8888_A8:
211 return true;
212 default:
213 return false;
214 }
215}
216
217static void ipu_plane_enable(struct ipu_plane *ipu_plane)
218{
219 if (ipu_plane->dp)
220 ipu_dp_enable(ipu_plane->ipu);
221 ipu_dmfc_enable_channel(ipu_plane->dmfc);
222 ipu_idmac_enable_channel(ipu_plane->ipu_ch);
223 if (ipu_plane_separate_alpha(ipu_plane))
224 ipu_idmac_enable_channel(ipu_plane->alpha_ch);
225 if (ipu_plane->dp)
226 ipu_dp_enable_channel(ipu_plane->dp);
227}
228
229void ipu_plane_disable(struct ipu_plane *ipu_plane, bool disable_dp_channel)
230{
231 int ret;
232
233 DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
234
235 ret = ipu_idmac_wait_busy(ipu_plane->ipu_ch, 50);
236 if (ret == -ETIMEDOUT) {
237 DRM_ERROR("[PLANE:%d] IDMAC timeout\n",
238 ipu_plane->base.base.id);
239 }
240
241 if (ipu_plane->dp && disable_dp_channel)
242 ipu_dp_disable_channel(ipu_plane->dp, false);
243 ipu_idmac_disable_channel(ipu_plane->ipu_ch);
244 if (ipu_plane->alpha_ch)
245 ipu_idmac_disable_channel(ipu_plane->alpha_ch);
246 ipu_dmfc_disable_channel(ipu_plane->dmfc);
247 if (ipu_plane->dp)
248 ipu_dp_disable(ipu_plane->ipu);
249 if (ipu_prg_present(ipu_plane->ipu))
250 ipu_prg_channel_disable(ipu_plane->ipu_ch);
251}
252
253void ipu_plane_disable_deferred(struct drm_plane *plane)
254{
255 struct ipu_plane *ipu_plane = to_ipu_plane(plane);
256
257 if (ipu_plane->disabling) {
258 ipu_plane->disabling = false;
259 ipu_plane_disable(ipu_plane, false);
260 }
261}
262EXPORT_SYMBOL_GPL(ipu_plane_disable_deferred);
263
264static void ipu_plane_destroy(struct drm_plane *plane)
265{
266 struct ipu_plane *ipu_plane = to_ipu_plane(plane);
267
268 DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
269
270 drm_plane_cleanup(plane);
271 kfree(ipu_plane);
272}
273
274static void ipu_plane_state_reset(struct drm_plane *plane)
275{
276 struct ipu_plane_state *ipu_state;
277
278 if (plane->state) {
279 ipu_state = to_ipu_plane_state(plane->state);
280 __drm_atomic_helper_plane_destroy_state(plane->state);
281 kfree(ipu_state);
282 plane->state = NULL;
283 }
284
285 ipu_state = kzalloc(sizeof(*ipu_state), GFP_KERNEL);
286
287 if (ipu_state)
288 __drm_atomic_helper_plane_reset(plane, &ipu_state->base);
289}
290
291static struct drm_plane_state *
292ipu_plane_duplicate_state(struct drm_plane *plane)
293{
294 struct ipu_plane_state *state;
295
296 if (WARN_ON(!plane->state))
297 return NULL;
298
299 state = kmalloc(sizeof(*state), GFP_KERNEL);
300 if (state)
301 __drm_atomic_helper_plane_duplicate_state(plane, &state->base);
302
303 return &state->base;
304}
305
306static void ipu_plane_destroy_state(struct drm_plane *plane,
307 struct drm_plane_state *state)
308{
309 struct ipu_plane_state *ipu_state = to_ipu_plane_state(state);
310
311 __drm_atomic_helper_plane_destroy_state(state);
312 kfree(ipu_state);
313}
314
315static bool ipu_plane_format_mod_supported(struct drm_plane *plane,
316 uint32_t format, uint64_t modifier)
317{
318 struct ipu_soc *ipu = to_ipu_plane(plane)->ipu;
319
320
321 if (modifier == DRM_FORMAT_MOD_LINEAR)
322 return true;
323
324
325 if (!ipu_prg_present(ipu))
326 return false;
327
328 return ipu_prg_format_supported(ipu, format, modifier);
329}
330
331static const struct drm_plane_funcs ipu_plane_funcs = {
332 .update_plane = drm_atomic_helper_update_plane,
333 .disable_plane = drm_atomic_helper_disable_plane,
334 .destroy = ipu_plane_destroy,
335 .reset = ipu_plane_state_reset,
336 .atomic_duplicate_state = ipu_plane_duplicate_state,
337 .atomic_destroy_state = ipu_plane_destroy_state,
338 .format_mod_supported = ipu_plane_format_mod_supported,
339};
340
341static int ipu_plane_atomic_check(struct drm_plane *plane,
342 struct drm_plane_state *state)
343{
344 struct drm_plane_state *old_state = plane->state;
345 struct drm_crtc_state *crtc_state;
346 struct device *dev = plane->dev->dev;
347 struct drm_framebuffer *fb = state->fb;
348 struct drm_framebuffer *old_fb = old_state->fb;
349 unsigned long eba, ubo, vbo, old_ubo, old_vbo, alpha_eba;
350 bool can_position = (plane->type == DRM_PLANE_TYPE_OVERLAY);
351 int hsub, vsub;
352 int ret;
353
354
355 if (!fb)
356 return 0;
357
358 if (!state->crtc)
359 return -EINVAL;
360
361 crtc_state =
362 drm_atomic_get_existing_crtc_state(state->state, state->crtc);
363 if (WARN_ON(!crtc_state))
364 return -EINVAL;
365
366 ret = drm_atomic_helper_check_plane_state(state, crtc_state,
367 DRM_PLANE_HELPER_NO_SCALING,
368 DRM_PLANE_HELPER_NO_SCALING,
369 can_position, true);
370 if (ret)
371 return ret;
372
373
374 if (!crtc_state->enable)
375 return 0;
376
377 switch (plane->type) {
378 case DRM_PLANE_TYPE_PRIMARY:
379
380 if (drm_rect_width(&state->dst) < 13)
381 return -EINVAL;
382 break;
383 case DRM_PLANE_TYPE_OVERLAY:
384 break;
385 default:
386 dev_warn(dev, "Unsupported plane type %d\n", plane->type);
387 return -EINVAL;
388 }
389
390 if (drm_rect_height(&state->dst) < 2)
391 return -EINVAL;
392
393
394
395
396
397
398
399
400 if (old_fb &&
401 (drm_rect_width(&state->dst) != drm_rect_width(&old_state->dst) ||
402 drm_rect_height(&state->dst) != drm_rect_height(&old_state->dst) ||
403 fb->format != old_fb->format))
404 crtc_state->mode_changed = true;
405
406 eba = drm_plane_state_to_eba(state, 0);
407
408 if (eba & 0x7)
409 return -EINVAL;
410
411 if (fb->pitches[0] < 1 || fb->pitches[0] > 16384)
412 return -EINVAL;
413
414 if (old_fb && fb->pitches[0] != old_fb->pitches[0])
415 crtc_state->mode_changed = true;
416
417 switch (fb->format->format) {
418 case DRM_FORMAT_YUV420:
419 case DRM_FORMAT_YVU420:
420 case DRM_FORMAT_YUV422:
421 case DRM_FORMAT_YVU422:
422 case DRM_FORMAT_YUV444:
423 case DRM_FORMAT_YVU444:
424
425
426
427
428
429
430
431
432 vbo = drm_plane_state_to_vbo(state);
433
434 if (vbo & 0x7 || vbo > 0xfffff8)
435 return -EINVAL;
436
437 if (old_fb && (fb->format == old_fb->format)) {
438 old_vbo = drm_plane_state_to_vbo(old_state);
439 if (vbo != old_vbo)
440 crtc_state->mode_changed = true;
441 }
442
443 if (fb->pitches[1] != fb->pitches[2])
444 return -EINVAL;
445
446
447 case DRM_FORMAT_NV12:
448 case DRM_FORMAT_NV16:
449 ubo = drm_plane_state_to_ubo(state);
450
451 if (ubo & 0x7 || ubo > 0xfffff8)
452 return -EINVAL;
453
454 if (old_fb && (fb->format == old_fb->format)) {
455 old_ubo = drm_plane_state_to_ubo(old_state);
456 if (ubo != old_ubo)
457 crtc_state->mode_changed = true;
458 }
459
460 if (fb->pitches[1] < 1 || fb->pitches[1] > 16384)
461 return -EINVAL;
462
463 if (old_fb && old_fb->pitches[1] != fb->pitches[1])
464 crtc_state->mode_changed = true;
465
466
467
468
469
470 hsub = drm_format_horz_chroma_subsampling(fb->format->format);
471 vsub = drm_format_vert_chroma_subsampling(fb->format->format);
472 if (((state->src.x1 >> 16) & (hsub - 1)) ||
473 ((state->src.y1 >> 16) & (vsub - 1)))
474 return -EINVAL;
475 break;
476 case DRM_FORMAT_RGB565_A8:
477 case DRM_FORMAT_BGR565_A8:
478 case DRM_FORMAT_RGB888_A8:
479 case DRM_FORMAT_BGR888_A8:
480 case DRM_FORMAT_RGBX8888_A8:
481 case DRM_FORMAT_BGRX8888_A8:
482 alpha_eba = drm_plane_state_to_eba(state, 1);
483 if (alpha_eba & 0x7)
484 return -EINVAL;
485
486 if (fb->pitches[1] < 1 || fb->pitches[1] > 16384)
487 return -EINVAL;
488
489 if (old_fb && old_fb->pitches[1] != fb->pitches[1])
490 crtc_state->mode_changed = true;
491 break;
492 }
493
494 return 0;
495}
496
497static void ipu_plane_atomic_disable(struct drm_plane *plane,
498 struct drm_plane_state *old_state)
499{
500 struct ipu_plane *ipu_plane = to_ipu_plane(plane);
501
502 if (ipu_plane->dp)
503 ipu_dp_disable_channel(ipu_plane->dp, true);
504 ipu_plane->disabling = true;
505}
506
507static int ipu_chan_assign_axi_id(int ipu_chan)
508{
509 switch (ipu_chan) {
510 case IPUV3_CHANNEL_MEM_BG_SYNC:
511 return 1;
512 case IPUV3_CHANNEL_MEM_FG_SYNC:
513 return 2;
514 case IPUV3_CHANNEL_MEM_DC_SYNC:
515 return 3;
516 default:
517 return 0;
518 }
519}
520
521static void ipu_calculate_bursts(u32 width, u32 cpp, u32 stride,
522 u8 *burstsize, u8 *num_bursts)
523{
524 const unsigned int width_bytes = width * cpp;
525 unsigned int npb, bursts;
526
527
528 for (npb = 64 / cpp; npb > 0; --npb) {
529 if (round_up(width_bytes, npb * cpp) <= stride)
530 break;
531 }
532 *burstsize = npb;
533
534
535 for (bursts = 8; bursts > 1; bursts /= 2) {
536 if (round_up(width_bytes, npb * cpp * bursts) <= stride)
537 break;
538 }
539 *num_bursts = bursts;
540}
541
542static void ipu_plane_atomic_update(struct drm_plane *plane,
543 struct drm_plane_state *old_state)
544{
545 struct ipu_plane *ipu_plane = to_ipu_plane(plane);
546 struct drm_plane_state *state = plane->state;
547 struct ipu_plane_state *ipu_state = to_ipu_plane_state(state);
548 struct drm_crtc_state *crtc_state = state->crtc->state;
549 struct drm_framebuffer *fb = state->fb;
550 struct drm_rect *dst = &state->dst;
551 unsigned long eba, ubo, vbo;
552 unsigned long alpha_eba = 0;
553 enum ipu_color_space ics;
554 unsigned int axi_id = 0;
555 const struct drm_format_info *info;
556 u8 burstsize, num_bursts;
557 u32 width, height;
558 int active;
559
560 if (ipu_plane->dp_flow == IPU_DP_FLOW_SYNC_FG)
561 ipu_dp_set_window_pos(ipu_plane->dp, dst->x1, dst->y1);
562
563 eba = drm_plane_state_to_eba(state, 0);
564
565
566
567
568
569 if (ipu_state->use_pre) {
570 axi_id = ipu_chan_assign_axi_id(ipu_plane->dma);
571 ipu_prg_channel_configure(ipu_plane->ipu_ch, axi_id,
572 drm_rect_width(&state->src) >> 16,
573 drm_rect_height(&state->src) >> 16,
574 fb->pitches[0], fb->format->format,
575 fb->modifier, &eba);
576 }
577
578 if (old_state->fb && !drm_atomic_crtc_needs_modeset(crtc_state)) {
579
580 if (ipu_state->use_pre)
581 return;
582 active = ipu_idmac_get_current_buffer(ipu_plane->ipu_ch);
583 ipu_cpmem_set_buffer(ipu_plane->ipu_ch, !active, eba);
584 ipu_idmac_select_buffer(ipu_plane->ipu_ch, !active);
585 if (ipu_plane_separate_alpha(ipu_plane)) {
586 active = ipu_idmac_get_current_buffer(ipu_plane->alpha_ch);
587 ipu_cpmem_set_buffer(ipu_plane->alpha_ch, !active,
588 alpha_eba);
589 ipu_idmac_select_buffer(ipu_plane->alpha_ch, !active);
590 }
591 return;
592 }
593
594 ics = ipu_drm_fourcc_to_colorspace(fb->format->format);
595 switch (ipu_plane->dp_flow) {
596 case IPU_DP_FLOW_SYNC_BG:
597 ipu_dp_setup_channel(ipu_plane->dp, ics, IPUV3_COLORSPACE_RGB);
598 ipu_dp_set_global_alpha(ipu_plane->dp, true, 0, true);
599 break;
600 case IPU_DP_FLOW_SYNC_FG:
601 ipu_dp_setup_channel(ipu_plane->dp, ics,
602 IPUV3_COLORSPACE_UNKNOWN);
603
604 switch (fb->format->format) {
605 case DRM_FORMAT_ARGB1555:
606 case DRM_FORMAT_ABGR1555:
607 case DRM_FORMAT_RGBA5551:
608 case DRM_FORMAT_BGRA5551:
609 case DRM_FORMAT_ARGB4444:
610 case DRM_FORMAT_ARGB8888:
611 case DRM_FORMAT_ABGR8888:
612 case DRM_FORMAT_RGBA8888:
613 case DRM_FORMAT_BGRA8888:
614 case DRM_FORMAT_RGB565_A8:
615 case DRM_FORMAT_BGR565_A8:
616 case DRM_FORMAT_RGB888_A8:
617 case DRM_FORMAT_BGR888_A8:
618 case DRM_FORMAT_RGBX8888_A8:
619 case DRM_FORMAT_BGRX8888_A8:
620 ipu_dp_set_global_alpha(ipu_plane->dp, false, 0, false);
621 break;
622 default:
623 ipu_dp_set_global_alpha(ipu_plane->dp, true, 0, true);
624 break;
625 }
626 }
627
628 ipu_dmfc_config_wait4eot(ipu_plane->dmfc, drm_rect_width(dst));
629
630 width = drm_rect_width(&state->src) >> 16;
631 height = drm_rect_height(&state->src) >> 16;
632 info = drm_format_info(fb->format->format);
633 ipu_calculate_bursts(width, info->cpp[0], fb->pitches[0],
634 &burstsize, &num_bursts);
635
636 ipu_cpmem_zero(ipu_plane->ipu_ch);
637 ipu_cpmem_set_resolution(ipu_plane->ipu_ch, width, height);
638 ipu_cpmem_set_fmt(ipu_plane->ipu_ch, fb->format->format);
639 ipu_cpmem_set_burstsize(ipu_plane->ipu_ch, burstsize);
640 ipu_cpmem_set_high_priority(ipu_plane->ipu_ch);
641 ipu_idmac_set_double_buffer(ipu_plane->ipu_ch, 1);
642 ipu_cpmem_set_stride(ipu_plane->ipu_ch, fb->pitches[0]);
643 ipu_cpmem_set_axi_id(ipu_plane->ipu_ch, axi_id);
644
645 switch (fb->format->format) {
646 case DRM_FORMAT_YUV420:
647 case DRM_FORMAT_YVU420:
648 case DRM_FORMAT_YUV422:
649 case DRM_FORMAT_YVU422:
650 case DRM_FORMAT_YUV444:
651 case DRM_FORMAT_YVU444:
652 ubo = drm_plane_state_to_ubo(state);
653 vbo = drm_plane_state_to_vbo(state);
654 if (fb->format->format == DRM_FORMAT_YVU420 ||
655 fb->format->format == DRM_FORMAT_YVU422 ||
656 fb->format->format == DRM_FORMAT_YVU444)
657 swap(ubo, vbo);
658
659 ipu_cpmem_set_yuv_planar_full(ipu_plane->ipu_ch,
660 fb->pitches[1], ubo, vbo);
661
662 dev_dbg(ipu_plane->base.dev->dev,
663 "phy = %lu %lu %lu, x = %d, y = %d", eba, ubo, vbo,
664 state->src.x1 >> 16, state->src.y1 >> 16);
665 break;
666 case DRM_FORMAT_NV12:
667 case DRM_FORMAT_NV16:
668 ubo = drm_plane_state_to_ubo(state);
669
670 ipu_cpmem_set_yuv_planar_full(ipu_plane->ipu_ch,
671 fb->pitches[1], ubo, ubo);
672
673 dev_dbg(ipu_plane->base.dev->dev,
674 "phy = %lu %lu, x = %d, y = %d", eba, ubo,
675 state->src.x1 >> 16, state->src.y1 >> 16);
676 break;
677 case DRM_FORMAT_RGB565_A8:
678 case DRM_FORMAT_BGR565_A8:
679 case DRM_FORMAT_RGB888_A8:
680 case DRM_FORMAT_BGR888_A8:
681 case DRM_FORMAT_RGBX8888_A8:
682 case DRM_FORMAT_BGRX8888_A8:
683 alpha_eba = drm_plane_state_to_eba(state, 1);
684 num_bursts = 0;
685
686 dev_dbg(ipu_plane->base.dev->dev, "phys = %lu %lu, x = %d, y = %d",
687 eba, alpha_eba, state->src.x1 >> 16, state->src.y1 >> 16);
688
689 ipu_cpmem_set_burstsize(ipu_plane->ipu_ch, 16);
690
691 ipu_cpmem_zero(ipu_plane->alpha_ch);
692 ipu_cpmem_set_resolution(ipu_plane->alpha_ch,
693 drm_rect_width(&state->src) >> 16,
694 drm_rect_height(&state->src) >> 16);
695 ipu_cpmem_set_format_passthrough(ipu_plane->alpha_ch, 8);
696 ipu_cpmem_set_high_priority(ipu_plane->alpha_ch);
697 ipu_idmac_set_double_buffer(ipu_plane->alpha_ch, 1);
698 ipu_cpmem_set_stride(ipu_plane->alpha_ch, fb->pitches[1]);
699 ipu_cpmem_set_burstsize(ipu_plane->alpha_ch, 16);
700 ipu_cpmem_set_buffer(ipu_plane->alpha_ch, 0, alpha_eba);
701 ipu_cpmem_set_buffer(ipu_plane->alpha_ch, 1, alpha_eba);
702 break;
703 default:
704 dev_dbg(ipu_plane->base.dev->dev, "phys = %lu, x = %d, y = %d",
705 eba, state->src.x1 >> 16, state->src.y1 >> 16);
706 break;
707 }
708 ipu_cpmem_set_buffer(ipu_plane->ipu_ch, 0, eba);
709 ipu_cpmem_set_buffer(ipu_plane->ipu_ch, 1, eba);
710 ipu_idmac_lock_enable(ipu_plane->ipu_ch, num_bursts);
711 ipu_plane_enable(ipu_plane);
712}
713
714static const struct drm_plane_helper_funcs ipu_plane_helper_funcs = {
715 .prepare_fb = drm_gem_fb_prepare_fb,
716 .atomic_check = ipu_plane_atomic_check,
717 .atomic_disable = ipu_plane_atomic_disable,
718 .atomic_update = ipu_plane_atomic_update,
719};
720
721int ipu_planes_assign_pre(struct drm_device *dev,
722 struct drm_atomic_state *state)
723{
724 struct drm_crtc_state *old_crtc_state, *crtc_state;
725 struct drm_plane_state *plane_state;
726 struct ipu_plane_state *ipu_state;
727 struct ipu_plane *ipu_plane;
728 struct drm_plane *plane;
729 struct drm_crtc *crtc;
730 int available_pres = ipu_prg_max_active_channels();
731 int ret, i;
732
733 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, crtc_state, i) {
734 ret = drm_atomic_add_affected_planes(state, crtc);
735 if (ret)
736 return ret;
737 }
738
739
740
741
742
743
744
745
746
747 for_each_new_plane_in_state(state, plane, plane_state, i) {
748 ipu_state = to_ipu_plane_state(plane_state);
749 ipu_plane = to_ipu_plane(plane);
750
751 if (!plane_state->fb) {
752 ipu_state->use_pre = false;
753 continue;
754 }
755
756 if (!(plane_state->fb->flags & DRM_MODE_FB_MODIFIERS) ||
757 plane_state->fb->modifier == DRM_FORMAT_MOD_LINEAR)
758 continue;
759
760 if (!ipu_prg_present(ipu_plane->ipu) || !available_pres)
761 return -EINVAL;
762
763 if (!ipu_prg_format_supported(ipu_plane->ipu,
764 plane_state->fb->format->format,
765 plane_state->fb->modifier))
766 return -EINVAL;
767
768 ipu_state->use_pre = true;
769 available_pres--;
770 }
771
772 for_each_new_plane_in_state(state, plane, plane_state, i) {
773 ipu_state = to_ipu_plane_state(plane_state);
774 ipu_plane = to_ipu_plane(plane);
775
776 if (!plane_state->fb) {
777 ipu_state->use_pre = false;
778 continue;
779 }
780
781 if ((plane_state->fb->flags & DRM_MODE_FB_MODIFIERS) &&
782 plane_state->fb->modifier != DRM_FORMAT_MOD_LINEAR)
783 continue;
784
785
786 plane_state->fb->modifier = DRM_FORMAT_MOD_LINEAR;
787
788 if (ipu_prg_present(ipu_plane->ipu) && available_pres &&
789 ipu_prg_format_supported(ipu_plane->ipu,
790 plane_state->fb->format->format,
791 plane_state->fb->modifier)) {
792 ipu_state->use_pre = true;
793 available_pres--;
794 } else {
795 ipu_state->use_pre = false;
796 }
797 }
798
799 return 0;
800}
801EXPORT_SYMBOL_GPL(ipu_planes_assign_pre);
802
803struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
804 int dma, int dp, unsigned int possible_crtcs,
805 enum drm_plane_type type)
806{
807 struct ipu_plane *ipu_plane;
808 const uint64_t *modifiers = ipu_format_modifiers;
809 int ret;
810
811 DRM_DEBUG_KMS("channel %d, dp flow %d, possible_crtcs=0x%x\n",
812 dma, dp, possible_crtcs);
813
814 ipu_plane = kzalloc(sizeof(*ipu_plane), GFP_KERNEL);
815 if (!ipu_plane) {
816 DRM_ERROR("failed to allocate plane\n");
817 return ERR_PTR(-ENOMEM);
818 }
819
820 ipu_plane->ipu = ipu;
821 ipu_plane->dma = dma;
822 ipu_plane->dp_flow = dp;
823
824 if (ipu_prg_present(ipu))
825 modifiers = pre_format_modifiers;
826
827 ret = drm_universal_plane_init(dev, &ipu_plane->base, possible_crtcs,
828 &ipu_plane_funcs, ipu_plane_formats,
829 ARRAY_SIZE(ipu_plane_formats),
830 modifiers, type, NULL);
831 if (ret) {
832 DRM_ERROR("failed to initialize plane\n");
833 kfree(ipu_plane);
834 return ERR_PTR(ret);
835 }
836
837 drm_plane_helper_add(&ipu_plane->base, &ipu_plane_helper_funcs);
838
839 return ipu_plane;
840}
841
