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Merge tag 'omap-for-v4.6/dt-ti81xx-signed' of git://git.kernel.org/pub/scm/linux...
[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / nouveau / nv50_display.c
1 /*
2 * Copyright 2011 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24
25 #include <linux/dma-mapping.h>
26
27 #include <drm/drmP.h>
28 #include <drm/drm_crtc_helper.h>
29 #include <drm/drm_plane_helper.h>
30 #include <drm/drm_dp_helper.h>
31 #include <drm/drm_fb_helper.h>
32
33 #include <nvif/class.h>
34 #include <nvif/cl0002.h>
35 #include <nvif/cl5070.h>
36 #include <nvif/cl507a.h>
37 #include <nvif/cl507b.h>
38 #include <nvif/cl507c.h>
39 #include <nvif/cl507d.h>
40 #include <nvif/cl507e.h>
41
42 #include "nouveau_drm.h"
43 #include "nouveau_dma.h"
44 #include "nouveau_gem.h"
45 #include "nouveau_connector.h"
46 #include "nouveau_encoder.h"
47 #include "nouveau_crtc.h"
48 #include "nouveau_fence.h"
49 #include "nv50_display.h"
50
51 #define EVO_DMA_NR 9
52
53 #define EVO_MASTER (0x00)
54 #define EVO_FLIP(c) (0x01 + (c))
55 #define EVO_OVLY(c) (0x05 + (c))
56 #define EVO_OIMM(c) (0x09 + (c))
57 #define EVO_CURS(c) (0x0d + (c))
58
59 /* offsets in shared sync bo of various structures */
60 #define EVO_SYNC(c, o) ((c) * 0x0100 + (o))
61 #define EVO_MAST_NTFY EVO_SYNC( 0, 0x00)
62 #define EVO_FLIP_SEM0(c) EVO_SYNC((c) + 1, 0x00)
63 #define EVO_FLIP_SEM1(c) EVO_SYNC((c) + 1, 0x10)
64
65 /******************************************************************************
66 * EVO channel
67 *****************************************************************************/
68
69 struct nv50_chan {
70 struct nvif_object user;
71 struct nvif_device *device;
72 };
73
74 static int
75 nv50_chan_create(struct nvif_device *device, struct nvif_object *disp,
76 const s32 *oclass, u8 head, void *data, u32 size,
77 struct nv50_chan *chan)
78 {
79 struct nvif_sclass *sclass;
80 int ret, i, n;
81
82 chan->device = device;
83
84 ret = n = nvif_object_sclass_get(disp, &sclass);
85 if (ret < 0)
86 return ret;
87
88 while (oclass[0]) {
89 for (i = 0; i < n; i++) {
90 if (sclass[i].oclass == oclass[0]) {
91 ret = nvif_object_init(disp, 0, oclass[0],
92 data, size, &chan->user);
93 if (ret == 0)
94 nvif_object_map(&chan->user);
95 nvif_object_sclass_put(&sclass);
96 return ret;
97 }
98 }
99 oclass++;
100 }
101
102 nvif_object_sclass_put(&sclass);
103 return -ENOSYS;
104 }
105
106 static void
107 nv50_chan_destroy(struct nv50_chan *chan)
108 {
109 nvif_object_fini(&chan->user);
110 }
111
112 /******************************************************************************
113 * PIO EVO channel
114 *****************************************************************************/
115
116 struct nv50_pioc {
117 struct nv50_chan base;
118 };
119
120 static void
121 nv50_pioc_destroy(struct nv50_pioc *pioc)
122 {
123 nv50_chan_destroy(&pioc->base);
124 }
125
126 static int
127 nv50_pioc_create(struct nvif_device *device, struct nvif_object *disp,
128 const s32 *oclass, u8 head, void *data, u32 size,
129 struct nv50_pioc *pioc)
130 {
131 return nv50_chan_create(device, disp, oclass, head, data, size,
132 &pioc->base);
133 }
134
135 /******************************************************************************
136 * Cursor Immediate
137 *****************************************************************************/
138
139 struct nv50_curs {
140 struct nv50_pioc base;
141 };
142
143 static int
144 nv50_curs_create(struct nvif_device *device, struct nvif_object *disp,
145 int head, struct nv50_curs *curs)
146 {
147 struct nv50_disp_cursor_v0 args = {
148 .head = head,
149 };
150 static const s32 oclass[] = {
151 GK104_DISP_CURSOR,
152 GF110_DISP_CURSOR,
153 GT214_DISP_CURSOR,
154 G82_DISP_CURSOR,
155 NV50_DISP_CURSOR,
156 0
157 };
158
159 return nv50_pioc_create(device, disp, oclass, head, &args, sizeof(args),
160 &curs->base);
161 }
162
163 /******************************************************************************
164 * Overlay Immediate
165 *****************************************************************************/
166
167 struct nv50_oimm {
168 struct nv50_pioc base;
169 };
170
171 static int
172 nv50_oimm_create(struct nvif_device *device, struct nvif_object *disp,
173 int head, struct nv50_oimm *oimm)
174 {
175 struct nv50_disp_cursor_v0 args = {
176 .head = head,
177 };
178 static const s32 oclass[] = {
179 GK104_DISP_OVERLAY,
180 GF110_DISP_OVERLAY,
181 GT214_DISP_OVERLAY,
182 G82_DISP_OVERLAY,
183 NV50_DISP_OVERLAY,
184 0
185 };
186
187 return nv50_pioc_create(device, disp, oclass, head, &args, sizeof(args),
188 &oimm->base);
189 }
190
191 /******************************************************************************
192 * DMA EVO channel
193 *****************************************************************************/
194
195 struct nv50_dmac {
196 struct nv50_chan base;
197 dma_addr_t handle;
198 u32 *ptr;
199
200 struct nvif_object sync;
201 struct nvif_object vram;
202
203 /* Protects against concurrent pushbuf access to this channel, lock is
204 * grabbed by evo_wait (if the pushbuf reservation is successful) and
205 * dropped again by evo_kick. */
206 struct mutex lock;
207 };
208
209 static void
210 nv50_dmac_destroy(struct nv50_dmac *dmac, struct nvif_object *disp)
211 {
212 struct nvif_device *device = dmac->base.device;
213
214 nvif_object_fini(&dmac->vram);
215 nvif_object_fini(&dmac->sync);
216
217 nv50_chan_destroy(&dmac->base);
218
219 if (dmac->ptr) {
220 struct device *dev = nvxx_device(device)->dev;
221 dma_free_coherent(dev, PAGE_SIZE, dmac->ptr, dmac->handle);
222 }
223 }
224
225 static int
226 nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
227 const s32 *oclass, u8 head, void *data, u32 size, u64 syncbuf,
228 struct nv50_dmac *dmac)
229 {
230 struct nv50_disp_core_channel_dma_v0 *args = data;
231 struct nvif_object pushbuf;
232 int ret;
233
234 mutex_init(&dmac->lock);
235
236 dmac->ptr = dma_alloc_coherent(nvxx_device(device)->dev, PAGE_SIZE,
237 &dmac->handle, GFP_KERNEL);
238 if (!dmac->ptr)
239 return -ENOMEM;
240
241 ret = nvif_object_init(&device->object, 0, NV_DMA_FROM_MEMORY,
242 &(struct nv_dma_v0) {
243 .target = NV_DMA_V0_TARGET_PCI_US,
244 .access = NV_DMA_V0_ACCESS_RD,
245 .start = dmac->handle + 0x0000,
246 .limit = dmac->handle + 0x0fff,
247 }, sizeof(struct nv_dma_v0), &pushbuf);
248 if (ret)
249 return ret;
250
251 args->pushbuf = nvif_handle(&pushbuf);
252
253 ret = nv50_chan_create(device, disp, oclass, head, data, size,
254 &dmac->base);
255 nvif_object_fini(&pushbuf);
256 if (ret)
257 return ret;
258
259 ret = nvif_object_init(&dmac->base.user, 0xf0000000, NV_DMA_IN_MEMORY,
260 &(struct nv_dma_v0) {
261 .target = NV_DMA_V0_TARGET_VRAM,
262 .access = NV_DMA_V0_ACCESS_RDWR,
263 .start = syncbuf + 0x0000,
264 .limit = syncbuf + 0x0fff,
265 }, sizeof(struct nv_dma_v0),
266 &dmac->sync);
267 if (ret)
268 return ret;
269
270 ret = nvif_object_init(&dmac->base.user, 0xf0000001, NV_DMA_IN_MEMORY,
271 &(struct nv_dma_v0) {
272 .target = NV_DMA_V0_TARGET_VRAM,
273 .access = NV_DMA_V0_ACCESS_RDWR,
274 .start = 0,
275 .limit = device->info.ram_user - 1,
276 }, sizeof(struct nv_dma_v0),
277 &dmac->vram);
278 if (ret)
279 return ret;
280
281 return ret;
282 }
283
284 /******************************************************************************
285 * Core
286 *****************************************************************************/
287
288 struct nv50_mast {
289 struct nv50_dmac base;
290 };
291
292 static int
293 nv50_core_create(struct nvif_device *device, struct nvif_object *disp,
294 u64 syncbuf, struct nv50_mast *core)
295 {
296 struct nv50_disp_core_channel_dma_v0 args = {
297 .pushbuf = 0xb0007d00,
298 };
299 static const s32 oclass[] = {
300 GM200_DISP_CORE_CHANNEL_DMA,
301 GM107_DISP_CORE_CHANNEL_DMA,
302 GK110_DISP_CORE_CHANNEL_DMA,
303 GK104_DISP_CORE_CHANNEL_DMA,
304 GF110_DISP_CORE_CHANNEL_DMA,
305 GT214_DISP_CORE_CHANNEL_DMA,
306 GT206_DISP_CORE_CHANNEL_DMA,
307 GT200_DISP_CORE_CHANNEL_DMA,
308 G82_DISP_CORE_CHANNEL_DMA,
309 NV50_DISP_CORE_CHANNEL_DMA,
310 0
311 };
312
313 return nv50_dmac_create(device, disp, oclass, 0, &args, sizeof(args),
314 syncbuf, &core->base);
315 }
316
317 /******************************************************************************
318 * Base
319 *****************************************************************************/
320
321 struct nv50_sync {
322 struct nv50_dmac base;
323 u32 addr;
324 u32 data;
325 };
326
327 static int
328 nv50_base_create(struct nvif_device *device, struct nvif_object *disp,
329 int head, u64 syncbuf, struct nv50_sync *base)
330 {
331 struct nv50_disp_base_channel_dma_v0 args = {
332 .pushbuf = 0xb0007c00 | head,
333 .head = head,
334 };
335 static const s32 oclass[] = {
336 GK110_DISP_BASE_CHANNEL_DMA,
337 GK104_DISP_BASE_CHANNEL_DMA,
338 GF110_DISP_BASE_CHANNEL_DMA,
339 GT214_DISP_BASE_CHANNEL_DMA,
340 GT200_DISP_BASE_CHANNEL_DMA,
341 G82_DISP_BASE_CHANNEL_DMA,
342 NV50_DISP_BASE_CHANNEL_DMA,
343 0
344 };
345
346 return nv50_dmac_create(device, disp, oclass, head, &args, sizeof(args),
347 syncbuf, &base->base);
348 }
349
350 /******************************************************************************
351 * Overlay
352 *****************************************************************************/
353
354 struct nv50_ovly {
355 struct nv50_dmac base;
356 };
357
358 static int
359 nv50_ovly_create(struct nvif_device *device, struct nvif_object *disp,
360 int head, u64 syncbuf, struct nv50_ovly *ovly)
361 {
362 struct nv50_disp_overlay_channel_dma_v0 args = {
363 .pushbuf = 0xb0007e00 | head,
364 .head = head,
365 };
366 static const s32 oclass[] = {
367 GK104_DISP_OVERLAY_CONTROL_DMA,
368 GF110_DISP_OVERLAY_CONTROL_DMA,
369 GT214_DISP_OVERLAY_CHANNEL_DMA,
370 GT200_DISP_OVERLAY_CHANNEL_DMA,
371 G82_DISP_OVERLAY_CHANNEL_DMA,
372 NV50_DISP_OVERLAY_CHANNEL_DMA,
373 0
374 };
375
376 return nv50_dmac_create(device, disp, oclass, head, &args, sizeof(args),
377 syncbuf, &ovly->base);
378 }
379
380 struct nv50_head {
381 struct nouveau_crtc base;
382 struct nouveau_bo *image;
383 struct nv50_curs curs;
384 struct nv50_sync sync;
385 struct nv50_ovly ovly;
386 struct nv50_oimm oimm;
387 };
388
389 #define nv50_head(c) ((struct nv50_head *)nouveau_crtc(c))
390 #define nv50_curs(c) (&nv50_head(c)->curs)
391 #define nv50_sync(c) (&nv50_head(c)->sync)
392 #define nv50_ovly(c) (&nv50_head(c)->ovly)
393 #define nv50_oimm(c) (&nv50_head(c)->oimm)
394 #define nv50_chan(c) (&(c)->base.base)
395 #define nv50_vers(c) nv50_chan(c)->user.oclass
396
397 struct nv50_fbdma {
398 struct list_head head;
399 struct nvif_object core;
400 struct nvif_object base[4];
401 };
402
403 struct nv50_disp {
404 struct nvif_object *disp;
405 struct nv50_mast mast;
406
407 struct list_head fbdma;
408
409 struct nouveau_bo *sync;
410 };
411
412 static struct nv50_disp *
413 nv50_disp(struct drm_device *dev)
414 {
415 return nouveau_display(dev)->priv;
416 }
417
418 #define nv50_mast(d) (&nv50_disp(d)->mast)
419
420 static struct drm_crtc *
421 nv50_display_crtc_get(struct drm_encoder *encoder)
422 {
423 return nouveau_encoder(encoder)->crtc;
424 }
425
426 /******************************************************************************
427 * EVO channel helpers
428 *****************************************************************************/
429 static u32 *
430 evo_wait(void *evoc, int nr)
431 {
432 struct nv50_dmac *dmac = evoc;
433 struct nvif_device *device = dmac->base.device;
434 u32 put = nvif_rd32(&dmac->base.user, 0x0000) / 4;
435
436 mutex_lock(&dmac->lock);
437 if (put + nr >= (PAGE_SIZE / 4) - 8) {
438 dmac->ptr[put] = 0x20000000;
439
440 nvif_wr32(&dmac->base.user, 0x0000, 0x00000000);
441 if (nvif_msec(device, 2000,
442 if (!nvif_rd32(&dmac->base.user, 0x0004))
443 break;
444 ) < 0) {
445 mutex_unlock(&dmac->lock);
446 printk(KERN_ERR "nouveau: evo channel stalled\n");
447 return NULL;
448 }
449
450 put = 0;
451 }
452
453 return dmac->ptr + put;
454 }
455
456 static void
457 evo_kick(u32 *push, void *evoc)
458 {
459 struct nv50_dmac *dmac = evoc;
460 nvif_wr32(&dmac->base.user, 0x0000, (push - dmac->ptr) << 2);
461 mutex_unlock(&dmac->lock);
462 }
463
464 #if 1
465 #define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
466 #define evo_data(p,d) *((p)++) = (d)
467 #else
468 #define evo_mthd(p,m,s) do { \
469 const u32 _m = (m), _s = (s); \
470 printk(KERN_ERR "%04x %d %s\n", _m, _s, __func__); \
471 *((p)++) = ((_s << 18) | _m); \
472 } while(0)
473 #define evo_data(p,d) do { \
474 const u32 _d = (d); \
475 printk(KERN_ERR "\t%08x\n", _d); \
476 *((p)++) = _d; \
477 } while(0)
478 #endif
479
480 static bool
481 evo_sync_wait(void *data)
482 {
483 if (nouveau_bo_rd32(data, EVO_MAST_NTFY) != 0x00000000)
484 return true;
485 usleep_range(1, 2);
486 return false;
487 }
488
489 static int
490 evo_sync(struct drm_device *dev)
491 {
492 struct nvif_device *device = &nouveau_drm(dev)->device;
493 struct nv50_disp *disp = nv50_disp(dev);
494 struct nv50_mast *mast = nv50_mast(dev);
495 u32 *push = evo_wait(mast, 8);
496 if (push) {
497 nouveau_bo_wr32(disp->sync, EVO_MAST_NTFY, 0x00000000);
498 evo_mthd(push, 0x0084, 1);
499 evo_data(push, 0x80000000 | EVO_MAST_NTFY);
500 evo_mthd(push, 0x0080, 2);
501 evo_data(push, 0x00000000);
502 evo_data(push, 0x00000000);
503 evo_kick(push, mast);
504 if (nvif_msec(device, 2000,
505 if (evo_sync_wait(disp->sync))
506 break;
507 ) >= 0)
508 return 0;
509 }
510
511 return -EBUSY;
512 }
513
514 /******************************************************************************
515 * Page flipping channel
516 *****************************************************************************/
517 struct nouveau_bo *
518 nv50_display_crtc_sema(struct drm_device *dev, int crtc)
519 {
520 return nv50_disp(dev)->sync;
521 }
522
523 struct nv50_display_flip {
524 struct nv50_disp *disp;
525 struct nv50_sync *chan;
526 };
527
528 static bool
529 nv50_display_flip_wait(void *data)
530 {
531 struct nv50_display_flip *flip = data;
532 if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) ==
533 flip->chan->data)
534 return true;
535 usleep_range(1, 2);
536 return false;
537 }
538
539 void
540 nv50_display_flip_stop(struct drm_crtc *crtc)
541 {
542 struct nvif_device *device = &nouveau_drm(crtc->dev)->device;
543 struct nv50_display_flip flip = {
544 .disp = nv50_disp(crtc->dev),
545 .chan = nv50_sync(crtc),
546 };
547 u32 *push;
548
549 push = evo_wait(flip.chan, 8);
550 if (push) {
551 evo_mthd(push, 0x0084, 1);
552 evo_data(push, 0x00000000);
553 evo_mthd(push, 0x0094, 1);
554 evo_data(push, 0x00000000);
555 evo_mthd(push, 0x00c0, 1);
556 evo_data(push, 0x00000000);
557 evo_mthd(push, 0x0080, 1);
558 evo_data(push, 0x00000000);
559 evo_kick(push, flip.chan);
560 }
561
562 nvif_msec(device, 2000,
563 if (nv50_display_flip_wait(&flip))
564 break;
565 );
566 }
567
568 int
569 nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
570 struct nouveau_channel *chan, u32 swap_interval)
571 {
572 struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
573 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
574 struct nv50_head *head = nv50_head(crtc);
575 struct nv50_sync *sync = nv50_sync(crtc);
576 u32 *push;
577 int ret;
578
579 if (crtc->primary->fb->width != fb->width ||
580 crtc->primary->fb->height != fb->height)
581 return -EINVAL;
582
583 swap_interval <<= 4;
584 if (swap_interval == 0)
585 swap_interval |= 0x100;
586 if (chan == NULL)
587 evo_sync(crtc->dev);
588
589 push = evo_wait(sync, 128);
590 if (unlikely(push == NULL))
591 return -EBUSY;
592
593 if (chan && chan->user.oclass < G82_CHANNEL_GPFIFO) {
594 ret = RING_SPACE(chan, 8);
595 if (ret)
596 return ret;
597
598 BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 2);
599 OUT_RING (chan, NvEvoSema0 + nv_crtc->index);
600 OUT_RING (chan, sync->addr ^ 0x10);
601 BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_RELEASE, 1);
602 OUT_RING (chan, sync->data + 1);
603 BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_OFFSET, 2);
604 OUT_RING (chan, sync->addr);
605 OUT_RING (chan, sync->data);
606 } else
607 if (chan && chan->user.oclass < FERMI_CHANNEL_GPFIFO) {
608 u64 addr = nv84_fence_crtc(chan, nv_crtc->index) + sync->addr;
609 ret = RING_SPACE(chan, 12);
610 if (ret)
611 return ret;
612
613 BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1);
614 OUT_RING (chan, chan->vram.handle);
615 BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
616 OUT_RING (chan, upper_32_bits(addr ^ 0x10));
617 OUT_RING (chan, lower_32_bits(addr ^ 0x10));
618 OUT_RING (chan, sync->data + 1);
619 OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG);
620 BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
621 OUT_RING (chan, upper_32_bits(addr));
622 OUT_RING (chan, lower_32_bits(addr));
623 OUT_RING (chan, sync->data);
624 OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL);
625 } else
626 if (chan) {
627 u64 addr = nv84_fence_crtc(chan, nv_crtc->index) + sync->addr;
628 ret = RING_SPACE(chan, 10);
629 if (ret)
630 return ret;
631
632 BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
633 OUT_RING (chan, upper_32_bits(addr ^ 0x10));
634 OUT_RING (chan, lower_32_bits(addr ^ 0x10));
635 OUT_RING (chan, sync->data + 1);
636 OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG |
637 NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD);
638 BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
639 OUT_RING (chan, upper_32_bits(addr));
640 OUT_RING (chan, lower_32_bits(addr));
641 OUT_RING (chan, sync->data);
642 OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL |
643 NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD);
644 }
645
646 if (chan) {
647 sync->addr ^= 0x10;
648 sync->data++;
649 FIRE_RING (chan);
650 }
651
652 /* queue the flip */
653 evo_mthd(push, 0x0100, 1);
654 evo_data(push, 0xfffe0000);
655 evo_mthd(push, 0x0084, 1);
656 evo_data(push, swap_interval);
657 if (!(swap_interval & 0x00000100)) {
658 evo_mthd(push, 0x00e0, 1);
659 evo_data(push, 0x40000000);
660 }
661 evo_mthd(push, 0x0088, 4);
662 evo_data(push, sync->addr);
663 evo_data(push, sync->data++);
664 evo_data(push, sync->data);
665 evo_data(push, sync->base.sync.handle);
666 evo_mthd(push, 0x00a0, 2);
667 evo_data(push, 0x00000000);
668 evo_data(push, 0x00000000);
669 evo_mthd(push, 0x00c0, 1);
670 evo_data(push, nv_fb->r_handle);
671 evo_mthd(push, 0x0110, 2);
672 evo_data(push, 0x00000000);
673 evo_data(push, 0x00000000);
674 if (nv50_vers(sync) < GF110_DISP_BASE_CHANNEL_DMA) {
675 evo_mthd(push, 0x0800, 5);
676 evo_data(push, nv_fb->nvbo->bo.offset >> 8);
677 evo_data(push, 0);
678 evo_data(push, (fb->height << 16) | fb->width);
679 evo_data(push, nv_fb->r_pitch);
680 evo_data(push, nv_fb->r_format);
681 } else {
682 evo_mthd(push, 0x0400, 5);
683 evo_data(push, nv_fb->nvbo->bo.offset >> 8);
684 evo_data(push, 0);
685 evo_data(push, (fb->height << 16) | fb->width);
686 evo_data(push, nv_fb->r_pitch);
687 evo_data(push, nv_fb->r_format);
688 }
689 evo_mthd(push, 0x0080, 1);
690 evo_data(push, 0x00000000);
691 evo_kick(push, sync);
692
693 nouveau_bo_ref(nv_fb->nvbo, &head->image);
694 return 0;
695 }
696
697 /******************************************************************************
698 * CRTC
699 *****************************************************************************/
700 static int
701 nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
702 {
703 struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
704 struct nouveau_connector *nv_connector;
705 struct drm_connector *connector;
706 u32 *push, mode = 0x00;
707
708 nv_connector = nouveau_crtc_connector_get(nv_crtc);
709 connector = &nv_connector->base;
710 if (nv_connector->dithering_mode == DITHERING_MODE_AUTO) {
711 if (nv_crtc->base.primary->fb->depth > connector->display_info.bpc * 3)
712 mode = DITHERING_MODE_DYNAMIC2X2;
713 } else {
714 mode = nv_connector->dithering_mode;
715 }
716
717 if (nv_connector->dithering_depth == DITHERING_DEPTH_AUTO) {
718 if (connector->display_info.bpc >= 8)
719 mode |= DITHERING_DEPTH_8BPC;
720 } else {
721 mode |= nv_connector->dithering_depth;
722 }
723
724 push = evo_wait(mast, 4);
725 if (push) {
726 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
727 evo_mthd(push, 0x08a0 + (nv_crtc->index * 0x0400), 1);
728 evo_data(push, mode);
729 } else
730 if (nv50_vers(mast) < GK104_DISP_CORE_CHANNEL_DMA) {
731 evo_mthd(push, 0x0490 + (nv_crtc->index * 0x0300), 1);
732 evo_data(push, mode);
733 } else {
734 evo_mthd(push, 0x04a0 + (nv_crtc->index * 0x0300), 1);
735 evo_data(push, mode);
736 }
737
738 if (update) {
739 evo_mthd(push, 0x0080, 1);
740 evo_data(push, 0x00000000);
741 }
742 evo_kick(push, mast);
743 }
744
745 return 0;
746 }
747
748 static int
749 nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
750 {
751 struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
752 struct drm_display_mode *omode, *umode = &nv_crtc->base.mode;
753 struct drm_crtc *crtc = &nv_crtc->base;
754 struct nouveau_connector *nv_connector;
755 int mode = DRM_MODE_SCALE_NONE;
756 u32 oX, oY, *push;
757
758 /* start off at the resolution we programmed the crtc for, this
759 * effectively handles NONE/FULL scaling
760 */
761 nv_connector = nouveau_crtc_connector_get(nv_crtc);
762 if (nv_connector && nv_connector->native_mode) {
763 mode = nv_connector->scaling_mode;
764 if (nv_connector->scaling_full) /* non-EDID LVDS/eDP mode */
765 mode = DRM_MODE_SCALE_FULLSCREEN;
766 }
767
768 if (mode != DRM_MODE_SCALE_NONE)
769 omode = nv_connector->native_mode;
770 else
771 omode = umode;
772
773 oX = omode->hdisplay;
774 oY = omode->vdisplay;
775 if (omode->flags & DRM_MODE_FLAG_DBLSCAN)
776 oY *= 2;
777
778 /* add overscan compensation if necessary, will keep the aspect
779 * ratio the same as the backend mode unless overridden by the
780 * user setting both hborder and vborder properties.
781 */
782 if (nv_connector && ( nv_connector->underscan == UNDERSCAN_ON ||
783 (nv_connector->underscan == UNDERSCAN_AUTO &&
784 drm_detect_hdmi_monitor(nv_connector->edid)))) {
785 u32 bX = nv_connector->underscan_hborder;
786 u32 bY = nv_connector->underscan_vborder;
787 u32 aspect = (oY << 19) / oX;
788
789 if (bX) {
790 oX -= (bX * 2);
791 if (bY) oY -= (bY * 2);
792 else oY = ((oX * aspect) + (aspect / 2)) >> 19;
793 } else {
794 oX -= (oX >> 4) + 32;
795 if (bY) oY -= (bY * 2);
796 else oY = ((oX * aspect) + (aspect / 2)) >> 19;
797 }
798 }
799
800 /* handle CENTER/ASPECT scaling, taking into account the areas
801 * removed already for overscan compensation
802 */
803 switch (mode) {
804 case DRM_MODE_SCALE_CENTER:
805 oX = min((u32)umode->hdisplay, oX);
806 oY = min((u32)umode->vdisplay, oY);
807 /* fall-through */
808 case DRM_MODE_SCALE_ASPECT:
809 if (oY < oX) {
810 u32 aspect = (umode->hdisplay << 19) / umode->vdisplay;
811 oX = ((oY * aspect) + (aspect / 2)) >> 19;
812 } else {
813 u32 aspect = (umode->vdisplay << 19) / umode->hdisplay;
814 oY = ((oX * aspect) + (aspect / 2)) >> 19;
815 }
816 break;
817 default:
818 break;
819 }
820
821 push = evo_wait(mast, 8);
822 if (push) {
823 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
824 /*XXX: SCALE_CTRL_ACTIVE??? */
825 evo_mthd(push, 0x08d8 + (nv_crtc->index * 0x400), 2);
826 evo_data(push, (oY << 16) | oX);
827 evo_data(push, (oY << 16) | oX);
828 evo_mthd(push, 0x08a4 + (nv_crtc->index * 0x400), 1);
829 evo_data(push, 0x00000000);
830 evo_mthd(push, 0x08c8 + (nv_crtc->index * 0x400), 1);
831 evo_data(push, umode->vdisplay << 16 | umode->hdisplay);
832 } else {
833 evo_mthd(push, 0x04c0 + (nv_crtc->index * 0x300), 3);
834 evo_data(push, (oY << 16) | oX);
835 evo_data(push, (oY << 16) | oX);
836 evo_data(push, (oY << 16) | oX);
837 evo_mthd(push, 0x0494 + (nv_crtc->index * 0x300), 1);
838 evo_data(push, 0x00000000);
839 evo_mthd(push, 0x04b8 + (nv_crtc->index * 0x300), 1);
840 evo_data(push, umode->vdisplay << 16 | umode->hdisplay);
841 }
842
843 evo_kick(push, mast);
844
845 if (update) {
846 nv50_display_flip_stop(crtc);
847 nv50_display_flip_next(crtc, crtc->primary->fb,
848 NULL, 1);
849 }
850 }
851
852 return 0;
853 }
854
855 static int
856 nv50_crtc_set_raster_vblank_dmi(struct nouveau_crtc *nv_crtc, u32 usec)
857 {
858 struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
859 u32 *push;
860
861 push = evo_wait(mast, 8);
862 if (!push)
863 return -ENOMEM;
864
865 evo_mthd(push, 0x0828 + (nv_crtc->index * 0x400), 1);
866 evo_data(push, usec);
867 evo_kick(push, mast);
868 return 0;
869 }
870
871 static int
872 nv50_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update)
873 {
874 struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
875 u32 *push, hue, vib;
876 int adj;
877
878 adj = (nv_crtc->color_vibrance > 0) ? 50 : 0;
879 vib = ((nv_crtc->color_vibrance * 2047 + adj) / 100) & 0xfff;
880 hue = ((nv_crtc->vibrant_hue * 2047) / 100) & 0xfff;
881
882 push = evo_wait(mast, 16);
883 if (push) {
884 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
885 evo_mthd(push, 0x08a8 + (nv_crtc->index * 0x400), 1);
886 evo_data(push, (hue << 20) | (vib << 8));
887 } else {
888 evo_mthd(push, 0x0498 + (nv_crtc->index * 0x300), 1);
889 evo_data(push, (hue << 20) | (vib << 8));
890 }
891
892 if (update) {
893 evo_mthd(push, 0x0080, 1);
894 evo_data(push, 0x00000000);
895 }
896 evo_kick(push, mast);
897 }
898
899 return 0;
900 }
901
902 static int
903 nv50_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
904 int x, int y, bool update)
905 {
906 struct nouveau_framebuffer *nvfb = nouveau_framebuffer(fb);
907 struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
908 u32 *push;
909
910 push = evo_wait(mast, 16);
911 if (push) {
912 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
913 evo_mthd(push, 0x0860 + (nv_crtc->index * 0x400), 1);
914 evo_data(push, nvfb->nvbo->bo.offset >> 8);
915 evo_mthd(push, 0x0868 + (nv_crtc->index * 0x400), 3);
916 evo_data(push, (fb->height << 16) | fb->width);
917 evo_data(push, nvfb->r_pitch);
918 evo_data(push, nvfb->r_format);
919 evo_mthd(push, 0x08c0 + (nv_crtc->index * 0x400), 1);
920 evo_data(push, (y << 16) | x);
921 if (nv50_vers(mast) > NV50_DISP_CORE_CHANNEL_DMA) {
922 evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
923 evo_data(push, nvfb->r_handle);
924 }
925 } else {
926 evo_mthd(push, 0x0460 + (nv_crtc->index * 0x300), 1);
927 evo_data(push, nvfb->nvbo->bo.offset >> 8);
928 evo_mthd(push, 0x0468 + (nv_crtc->index * 0x300), 4);
929 evo_data(push, (fb->height << 16) | fb->width);
930 evo_data(push, nvfb->r_pitch);
931 evo_data(push, nvfb->r_format);
932 evo_data(push, nvfb->r_handle);
933 evo_mthd(push, 0x04b0 + (nv_crtc->index * 0x300), 1);
934 evo_data(push, (y << 16) | x);
935 }
936
937 if (update) {
938 evo_mthd(push, 0x0080, 1);
939 evo_data(push, 0x00000000);
940 }
941 evo_kick(push, mast);
942 }
943
944 nv_crtc->fb.handle = nvfb->r_handle;
945 return 0;
946 }
947
948 static void
949 nv50_crtc_cursor_show(struct nouveau_crtc *nv_crtc)
950 {
951 struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
952 u32 *push = evo_wait(mast, 16);
953 if (push) {
954 if (nv50_vers(mast) < G82_DISP_CORE_CHANNEL_DMA) {
955 evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 2);
956 evo_data(push, 0x85000000);
957 evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
958 } else
959 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
960 evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 2);
961 evo_data(push, 0x85000000);
962 evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
963 evo_mthd(push, 0x089c + (nv_crtc->index * 0x400), 1);
964 evo_data(push, mast->base.vram.handle);
965 } else {
966 evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 2);
967 evo_data(push, 0x85000000);
968 evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
969 evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
970 evo_data(push, mast->base.vram.handle);
971 }
972 evo_kick(push, mast);
973 }
974 nv_crtc->cursor.visible = true;
975 }
976
977 static void
978 nv50_crtc_cursor_hide(struct nouveau_crtc *nv_crtc)
979 {
980 struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
981 u32 *push = evo_wait(mast, 16);
982 if (push) {
983 if (nv50_vers(mast) < G82_DISP_CORE_CHANNEL_DMA) {
984 evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 1);
985 evo_data(push, 0x05000000);
986 } else
987 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
988 evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 1);
989 evo_data(push, 0x05000000);
990 evo_mthd(push, 0x089c + (nv_crtc->index * 0x400), 1);
991 evo_data(push, 0x00000000);
992 } else {
993 evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 1);
994 evo_data(push, 0x05000000);
995 evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
996 evo_data(push, 0x00000000);
997 }
998 evo_kick(push, mast);
999 }
1000 nv_crtc->cursor.visible = false;
1001 }
1002
1003 static void
1004 nv50_crtc_cursor_show_hide(struct nouveau_crtc *nv_crtc, bool show, bool update)
1005 {
1006 struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
1007
1008 if (show && nv_crtc->cursor.nvbo && nv_crtc->base.enabled)
1009 nv50_crtc_cursor_show(nv_crtc);
1010 else
1011 nv50_crtc_cursor_hide(nv_crtc);
1012
1013 if (update) {
1014 u32 *push = evo_wait(mast, 2);
1015 if (push) {
1016 evo_mthd(push, 0x0080, 1);
1017 evo_data(push, 0x00000000);
1018 evo_kick(push, mast);
1019 }
1020 }
1021 }
1022
1023 static void
1024 nv50_crtc_dpms(struct drm_crtc *crtc, int mode)
1025 {
1026 }
1027
1028 static void
1029 nv50_crtc_prepare(struct drm_crtc *crtc)
1030 {
1031 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1032 struct nv50_mast *mast = nv50_mast(crtc->dev);
1033 u32 *push;
1034
1035 nv50_display_flip_stop(crtc);
1036
1037 push = evo_wait(mast, 6);
1038 if (push) {
1039 if (nv50_vers(mast) < G82_DISP_CORE_CHANNEL_DMA) {
1040 evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1041 evo_data(push, 0x00000000);
1042 evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 1);
1043 evo_data(push, 0x40000000);
1044 } else
1045 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1046 evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1047 evo_data(push, 0x00000000);
1048 evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 1);
1049 evo_data(push, 0x40000000);
1050 evo_mthd(push, 0x085c + (nv_crtc->index * 0x400), 1);
1051 evo_data(push, 0x00000000);
1052 } else {
1053 evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
1054 evo_data(push, 0x00000000);
1055 evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 1);
1056 evo_data(push, 0x03000000);
1057 evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
1058 evo_data(push, 0x00000000);
1059 }
1060
1061 evo_kick(push, mast);
1062 }
1063
1064 nv50_crtc_cursor_show_hide(nv_crtc, false, false);
1065 }
1066
1067 static void
1068 nv50_crtc_commit(struct drm_crtc *crtc)
1069 {
1070 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1071 struct nv50_mast *mast = nv50_mast(crtc->dev);
1072 u32 *push;
1073
1074 push = evo_wait(mast, 32);
1075 if (push) {
1076 if (nv50_vers(mast) < G82_DISP_CORE_CHANNEL_DMA) {
1077 evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1078 evo_data(push, nv_crtc->fb.handle);
1079 evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 2);
1080 evo_data(push, 0xc0000000);
1081 evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
1082 } else
1083 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1084 evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1085 evo_data(push, nv_crtc->fb.handle);
1086 evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 2);
1087 evo_data(push, 0xc0000000);
1088 evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
1089 evo_mthd(push, 0x085c + (nv_crtc->index * 0x400), 1);
1090 evo_data(push, mast->base.vram.handle);
1091 } else {
1092 evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
1093 evo_data(push, nv_crtc->fb.handle);
1094 evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 4);
1095 evo_data(push, 0x83000000);
1096 evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
1097 evo_data(push, 0x00000000);
1098 evo_data(push, 0x00000000);
1099 evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
1100 evo_data(push, mast->base.vram.handle);
1101 evo_mthd(push, 0x0430 + (nv_crtc->index * 0x300), 1);
1102 evo_data(push, 0xffffff00);
1103 }
1104
1105 evo_kick(push, mast);
1106 }
1107
1108 nv50_crtc_cursor_show_hide(nv_crtc, true, true);
1109 nv50_display_flip_next(crtc, crtc->primary->fb, NULL, 1);
1110 }
1111
1112 static bool
1113 nv50_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode,
1114 struct drm_display_mode *adjusted_mode)
1115 {
1116 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
1117 return true;
1118 }
1119
1120 static int
1121 nv50_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb)
1122 {
1123 struct nouveau_framebuffer *nvfb = nouveau_framebuffer(crtc->primary->fb);
1124 struct nv50_head *head = nv50_head(crtc);
1125 int ret;
1126
1127 ret = nouveau_bo_pin(nvfb->nvbo, TTM_PL_FLAG_VRAM, true);
1128 if (ret == 0) {
1129 if (head->image)
1130 nouveau_bo_unpin(head->image);
1131 nouveau_bo_ref(nvfb->nvbo, &head->image);
1132 }
1133
1134 return ret;
1135 }
1136
1137 static int
1138 nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
1139 struct drm_display_mode *mode, int x, int y,
1140 struct drm_framebuffer *old_fb)
1141 {
1142 struct nv50_mast *mast = nv50_mast(crtc->dev);
1143 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1144 struct nouveau_connector *nv_connector;
1145 u32 ilace = (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 1;
1146 u32 vscan = (mode->flags & DRM_MODE_FLAG_DBLSCAN) ? 2 : 1;
1147 u32 hactive, hsynce, hbackp, hfrontp, hblanke, hblanks;
1148 u32 vactive, vsynce, vbackp, vfrontp, vblanke, vblanks;
1149 u32 vblan2e = 0, vblan2s = 1, vblankus = 0;
1150 u32 *push;
1151 int ret;
1152
1153 hactive = mode->htotal;
1154 hsynce = mode->hsync_end - mode->hsync_start - 1;
1155 hbackp = mode->htotal - mode->hsync_end;
1156 hblanke = hsynce + hbackp;
1157 hfrontp = mode->hsync_start - mode->hdisplay;
1158 hblanks = mode->htotal - hfrontp - 1;
1159
1160 vactive = mode->vtotal * vscan / ilace;
1161 vsynce = ((mode->vsync_end - mode->vsync_start) * vscan / ilace) - 1;
1162 vbackp = (mode->vtotal - mode->vsync_end) * vscan / ilace;
1163 vblanke = vsynce + vbackp;
1164 vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace;
1165 vblanks = vactive - vfrontp - 1;
1166 /* XXX: Safe underestimate, even "0" works */
1167 vblankus = (vactive - mode->vdisplay - 2) * hactive;
1168 vblankus *= 1000;
1169 vblankus /= mode->clock;
1170
1171 if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1172 vblan2e = vactive + vsynce + vbackp;
1173 vblan2s = vblan2e + (mode->vdisplay * vscan / ilace);
1174 vactive = (vactive * 2) + 1;
1175 }
1176
1177 ret = nv50_crtc_swap_fbs(crtc, old_fb);
1178 if (ret)
1179 return ret;
1180
1181 push = evo_wait(mast, 64);
1182 if (push) {
1183 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1184 evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2);
1185 evo_data(push, 0x00800000 | mode->clock);
1186 evo_data(push, (ilace == 2) ? 2 : 0);
1187 evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6);
1188 evo_data(push, 0x00000000);
1189 evo_data(push, (vactive << 16) | hactive);
1190 evo_data(push, ( vsynce << 16) | hsynce);
1191 evo_data(push, (vblanke << 16) | hblanke);
1192 evo_data(push, (vblanks << 16) | hblanks);
1193 evo_data(push, (vblan2e << 16) | vblan2s);
1194 evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1);
1195 evo_data(push, 0x00000000);
1196 evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2);
1197 evo_data(push, 0x00000311);
1198 evo_data(push, 0x00000100);
1199 } else {
1200 evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 6);
1201 evo_data(push, 0x00000000);
1202 evo_data(push, (vactive << 16) | hactive);
1203 evo_data(push, ( vsynce << 16) | hsynce);
1204 evo_data(push, (vblanke << 16) | hblanke);
1205 evo_data(push, (vblanks << 16) | hblanks);
1206 evo_data(push, (vblan2e << 16) | vblan2s);
1207 evo_mthd(push, 0x042c + (nv_crtc->index * 0x300), 1);
1208 evo_data(push, 0x00000000); /* ??? */
1209 evo_mthd(push, 0x0450 + (nv_crtc->index * 0x300), 3);
1210 evo_data(push, mode->clock * 1000);
1211 evo_data(push, 0x00200000); /* ??? */
1212 evo_data(push, mode->clock * 1000);
1213 evo_mthd(push, 0x04d0 + (nv_crtc->index * 0x300), 2);
1214 evo_data(push, 0x00000311);
1215 evo_data(push, 0x00000100);
1216 }
1217
1218 evo_kick(push, mast);
1219 }
1220
1221 nv_connector = nouveau_crtc_connector_get(nv_crtc);
1222 nv50_crtc_set_dither(nv_crtc, false);
1223 nv50_crtc_set_scale(nv_crtc, false);
1224
1225 /* G94 only accepts this after setting scale */
1226 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA)
1227 nv50_crtc_set_raster_vblank_dmi(nv_crtc, vblankus);
1228
1229 nv50_crtc_set_color_vibrance(nv_crtc, false);
1230 nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, false);
1231 return 0;
1232 }
1233
1234 static int
1235 nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
1236 struct drm_framebuffer *old_fb)
1237 {
1238 struct nouveau_drm *drm = nouveau_drm(crtc->dev);
1239 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1240 int ret;
1241
1242 if (!crtc->primary->fb) {
1243 NV_DEBUG(drm, "No FB bound\n");
1244 return 0;
1245 }
1246
1247 ret = nv50_crtc_swap_fbs(crtc, old_fb);
1248 if (ret)
1249 return ret;
1250
1251 nv50_display_flip_stop(crtc);
1252 nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, true);
1253 nv50_display_flip_next(crtc, crtc->primary->fb, NULL, 1);
1254 return 0;
1255 }
1256
1257 static int
1258 nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
1259 struct drm_framebuffer *fb, int x, int y,
1260 enum mode_set_atomic state)
1261 {
1262 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1263 nv50_display_flip_stop(crtc);
1264 nv50_crtc_set_image(nv_crtc, fb, x, y, true);
1265 return 0;
1266 }
1267
1268 static void
1269 nv50_crtc_lut_load(struct drm_crtc *crtc)
1270 {
1271 struct nv50_disp *disp = nv50_disp(crtc->dev);
1272 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1273 void __iomem *lut = nvbo_kmap_obj_iovirtual(nv_crtc->lut.nvbo);
1274 int i;
1275
1276 for (i = 0; i < 256; i++) {
1277 u16 r = nv_crtc->lut.r[i] >> 2;
1278 u16 g = nv_crtc->lut.g[i] >> 2;
1279 u16 b = nv_crtc->lut.b[i] >> 2;
1280
1281 if (disp->disp->oclass < GF110_DISP) {
1282 writew(r + 0x0000, lut + (i * 0x08) + 0);
1283 writew(g + 0x0000, lut + (i * 0x08) + 2);
1284 writew(b + 0x0000, lut + (i * 0x08) + 4);
1285 } else {
1286 writew(r + 0x6000, lut + (i * 0x20) + 0);
1287 writew(g + 0x6000, lut + (i * 0x20) + 2);
1288 writew(b + 0x6000, lut + (i * 0x20) + 4);
1289 }
1290 }
1291 }
1292
1293 static void
1294 nv50_crtc_disable(struct drm_crtc *crtc)
1295 {
1296 struct nv50_head *head = nv50_head(crtc);
1297 evo_sync(crtc->dev);
1298 if (head->image)
1299 nouveau_bo_unpin(head->image);
1300 nouveau_bo_ref(NULL, &head->image);
1301 }
1302
1303 static int
1304 nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
1305 uint32_t handle, uint32_t width, uint32_t height)
1306 {
1307 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1308 struct drm_device *dev = crtc->dev;
1309 struct drm_gem_object *gem = NULL;
1310 struct nouveau_bo *nvbo = NULL;
1311 int ret = 0;
1312
1313 if (handle) {
1314 if (width != 64 || height != 64)
1315 return -EINVAL;
1316
1317 gem = drm_gem_object_lookup(dev, file_priv, handle);
1318 if (unlikely(!gem))
1319 return -ENOENT;
1320 nvbo = nouveau_gem_object(gem);
1321
1322 ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM, true);
1323 }
1324
1325 if (ret == 0) {
1326 if (nv_crtc->cursor.nvbo)
1327 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
1328 nouveau_bo_ref(nvbo, &nv_crtc->cursor.nvbo);
1329 }
1330 drm_gem_object_unreference_unlocked(gem);
1331
1332 nv50_crtc_cursor_show_hide(nv_crtc, true, true);
1333 return ret;
1334 }
1335
1336 static int
1337 nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
1338 {
1339 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1340 struct nv50_curs *curs = nv50_curs(crtc);
1341 struct nv50_chan *chan = nv50_chan(curs);
1342 nvif_wr32(&chan->user, 0x0084, (y << 16) | (x & 0xffff));
1343 nvif_wr32(&chan->user, 0x0080, 0x00000000);
1344
1345 nv_crtc->cursor_saved_x = x;
1346 nv_crtc->cursor_saved_y = y;
1347 return 0;
1348 }
1349
1350 static void
1351 nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
1352 uint32_t start, uint32_t size)
1353 {
1354 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1355 u32 end = min_t(u32, start + size, 256);
1356 u32 i;
1357
1358 for (i = start; i < end; i++) {
1359 nv_crtc->lut.r[i] = r[i];
1360 nv_crtc->lut.g[i] = g[i];
1361 nv_crtc->lut.b[i] = b[i];
1362 }
1363
1364 nv50_crtc_lut_load(crtc);
1365 }
1366
1367 static void
1368 nv50_crtc_cursor_restore(struct nouveau_crtc *nv_crtc, int x, int y)
1369 {
1370 nv50_crtc_cursor_move(&nv_crtc->base, x, y);
1371
1372 nv50_crtc_cursor_show_hide(nv_crtc, true, true);
1373 }
1374
1375 static void
1376 nv50_crtc_destroy(struct drm_crtc *crtc)
1377 {
1378 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1379 struct nv50_disp *disp = nv50_disp(crtc->dev);
1380 struct nv50_head *head = nv50_head(crtc);
1381 struct nv50_fbdma *fbdma;
1382
1383 list_for_each_entry(fbdma, &disp->fbdma, head) {
1384 nvif_object_fini(&fbdma->base[nv_crtc->index]);
1385 }
1386
1387 nv50_dmac_destroy(&head->ovly.base, disp->disp);
1388 nv50_pioc_destroy(&head->oimm.base);
1389 nv50_dmac_destroy(&head->sync.base, disp->disp);
1390 nv50_pioc_destroy(&head->curs.base);
1391
1392 /*XXX: this shouldn't be necessary, but the core doesn't call
1393 * disconnect() during the cleanup paths
1394 */
1395 if (head->image)
1396 nouveau_bo_unpin(head->image);
1397 nouveau_bo_ref(NULL, &head->image);
1398
1399 /*XXX: ditto */
1400 if (nv_crtc->cursor.nvbo)
1401 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
1402 nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
1403
1404 nouveau_bo_unmap(nv_crtc->lut.nvbo);
1405 if (nv_crtc->lut.nvbo)
1406 nouveau_bo_unpin(nv_crtc->lut.nvbo);
1407 nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
1408
1409 drm_crtc_cleanup(crtc);
1410 kfree(crtc);
1411 }
1412
1413 static const struct drm_crtc_helper_funcs nv50_crtc_hfunc = {
1414 .dpms = nv50_crtc_dpms,
1415 .prepare = nv50_crtc_prepare,
1416 .commit = nv50_crtc_commit,
1417 .mode_fixup = nv50_crtc_mode_fixup,
1418 .mode_set = nv50_crtc_mode_set,
1419 .mode_set_base = nv50_crtc_mode_set_base,
1420 .mode_set_base_atomic = nv50_crtc_mode_set_base_atomic,
1421 .load_lut = nv50_crtc_lut_load,
1422 .disable = nv50_crtc_disable,
1423 };
1424
1425 static const struct drm_crtc_funcs nv50_crtc_func = {
1426 .cursor_set = nv50_crtc_cursor_set,
1427 .cursor_move = nv50_crtc_cursor_move,
1428 .gamma_set = nv50_crtc_gamma_set,
1429 .set_config = nouveau_crtc_set_config,
1430 .destroy = nv50_crtc_destroy,
1431 .page_flip = nouveau_crtc_page_flip,
1432 };
1433
1434 static int
1435 nv50_crtc_create(struct drm_device *dev, int index)
1436 {
1437 struct nouveau_drm *drm = nouveau_drm(dev);
1438 struct nvif_device *device = &drm->device;
1439 struct nv50_disp *disp = nv50_disp(dev);
1440 struct nv50_head *head;
1441 struct drm_crtc *crtc;
1442 int ret, i;
1443
1444 head = kzalloc(sizeof(*head), GFP_KERNEL);
1445 if (!head)
1446 return -ENOMEM;
1447
1448 head->base.index = index;
1449 head->base.set_dither = nv50_crtc_set_dither;
1450 head->base.set_scale = nv50_crtc_set_scale;
1451 head->base.set_color_vibrance = nv50_crtc_set_color_vibrance;
1452 head->base.color_vibrance = 50;
1453 head->base.vibrant_hue = 0;
1454 head->base.cursor.set_pos = nv50_crtc_cursor_restore;
1455 for (i = 0; i < 256; i++) {
1456 head->base.lut.r[i] = i << 8;
1457 head->base.lut.g[i] = i << 8;
1458 head->base.lut.b[i] = i << 8;
1459 }
1460
1461 crtc = &head->base.base;
1462 drm_crtc_init(dev, crtc, &nv50_crtc_func);
1463 drm_crtc_helper_add(crtc, &nv50_crtc_hfunc);
1464 drm_mode_crtc_set_gamma_size(crtc, 256);
1465
1466 ret = nouveau_bo_new(dev, 8192, 0x100, TTM_PL_FLAG_VRAM,
1467 0, 0x0000, NULL, NULL, &head->base.lut.nvbo);
1468 if (!ret) {
1469 ret = nouveau_bo_pin(head->base.lut.nvbo, TTM_PL_FLAG_VRAM, true);
1470 if (!ret) {
1471 ret = nouveau_bo_map(head->base.lut.nvbo);
1472 if (ret)
1473 nouveau_bo_unpin(head->base.lut.nvbo);
1474 }
1475 if (ret)
1476 nouveau_bo_ref(NULL, &head->base.lut.nvbo);
1477 }
1478
1479 if (ret)
1480 goto out;
1481
1482 /* allocate cursor resources */
1483 ret = nv50_curs_create(device, disp->disp, index, &head->curs);
1484 if (ret)
1485 goto out;
1486
1487 /* allocate page flip / sync resources */
1488 ret = nv50_base_create(device, disp->disp, index, disp->sync->bo.offset,
1489 &head->sync);
1490 if (ret)
1491 goto out;
1492
1493 head->sync.addr = EVO_FLIP_SEM0(index);
1494 head->sync.data = 0x00000000;
1495
1496 /* allocate overlay resources */
1497 ret = nv50_oimm_create(device, disp->disp, index, &head->oimm);
1498 if (ret)
1499 goto out;
1500
1501 ret = nv50_ovly_create(device, disp->disp, index, disp->sync->bo.offset,
1502 &head->ovly);
1503 if (ret)
1504 goto out;
1505
1506 out:
1507 if (ret)
1508 nv50_crtc_destroy(crtc);
1509 return ret;
1510 }
1511
1512 /******************************************************************************
1513 * Encoder helpers
1514 *****************************************************************************/
1515 static bool
1516 nv50_encoder_mode_fixup(struct drm_encoder *encoder,
1517 const struct drm_display_mode *mode,
1518 struct drm_display_mode *adjusted_mode)
1519 {
1520 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1521 struct nouveau_connector *nv_connector;
1522
1523 nv_connector = nouveau_encoder_connector_get(nv_encoder);
1524 if (nv_connector && nv_connector->native_mode) {
1525 nv_connector->scaling_full = false;
1526 if (nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) {
1527 switch (nv_connector->type) {
1528 case DCB_CONNECTOR_LVDS:
1529 case DCB_CONNECTOR_LVDS_SPWG:
1530 case DCB_CONNECTOR_eDP:
1531 /* force use of scaler for non-edid modes */
1532 if (adjusted_mode->type & DRM_MODE_TYPE_DRIVER)
1533 return true;
1534 nv_connector->scaling_full = true;
1535 break;
1536 default:
1537 return true;
1538 }
1539 }
1540
1541 drm_mode_copy(adjusted_mode, nv_connector->native_mode);
1542 }
1543
1544 return true;
1545 }
1546
1547 /******************************************************************************
1548 * DAC
1549 *****************************************************************************/
1550 static void
1551 nv50_dac_dpms(struct drm_encoder *encoder, int mode)
1552 {
1553 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1554 struct nv50_disp *disp = nv50_disp(encoder->dev);
1555 struct {
1556 struct nv50_disp_mthd_v1 base;
1557 struct nv50_disp_dac_pwr_v0 pwr;
1558 } args = {
1559 .base.version = 1,
1560 .base.method = NV50_DISP_MTHD_V1_DAC_PWR,
1561 .base.hasht = nv_encoder->dcb->hasht,
1562 .base.hashm = nv_encoder->dcb->hashm,
1563 .pwr.state = 1,
1564 .pwr.data = 1,
1565 .pwr.vsync = (mode != DRM_MODE_DPMS_SUSPEND &&
1566 mode != DRM_MODE_DPMS_OFF),
1567 .pwr.hsync = (mode != DRM_MODE_DPMS_STANDBY &&
1568 mode != DRM_MODE_DPMS_OFF),
1569 };
1570
1571 nvif_mthd(disp->disp, 0, &args, sizeof(args));
1572 }
1573
1574 static void
1575 nv50_dac_commit(struct drm_encoder *encoder)
1576 {
1577 }
1578
1579 static void
1580 nv50_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
1581 struct drm_display_mode *adjusted_mode)
1582 {
1583 struct nv50_mast *mast = nv50_mast(encoder->dev);
1584 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1585 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1586 u32 *push;
1587
1588 nv50_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1589
1590 push = evo_wait(mast, 8);
1591 if (push) {
1592 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1593 u32 syncs = 0x00000000;
1594
1595 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1596 syncs |= 0x00000001;
1597 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1598 syncs |= 0x00000002;
1599
1600 evo_mthd(push, 0x0400 + (nv_encoder->or * 0x080), 2);
1601 evo_data(push, 1 << nv_crtc->index);
1602 evo_data(push, syncs);
1603 } else {
1604 u32 magic = 0x31ec6000 | (nv_crtc->index << 25);
1605 u32 syncs = 0x00000001;
1606
1607 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1608 syncs |= 0x00000008;
1609 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1610 syncs |= 0x00000010;
1611
1612 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1613 magic |= 0x00000001;
1614
1615 evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
1616 evo_data(push, syncs);
1617 evo_data(push, magic);
1618 evo_mthd(push, 0x0180 + (nv_encoder->or * 0x020), 1);
1619 evo_data(push, 1 << nv_crtc->index);
1620 }
1621
1622 evo_kick(push, mast);
1623 }
1624
1625 nv_encoder->crtc = encoder->crtc;
1626 }
1627
1628 static void
1629 nv50_dac_disconnect(struct drm_encoder *encoder)
1630 {
1631 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1632 struct nv50_mast *mast = nv50_mast(encoder->dev);
1633 const int or = nv_encoder->or;
1634 u32 *push;
1635
1636 if (nv_encoder->crtc) {
1637 nv50_crtc_prepare(nv_encoder->crtc);
1638
1639 push = evo_wait(mast, 4);
1640 if (push) {
1641 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1642 evo_mthd(push, 0x0400 + (or * 0x080), 1);
1643 evo_data(push, 0x00000000);
1644 } else {
1645 evo_mthd(push, 0x0180 + (or * 0x020), 1);
1646 evo_data(push, 0x00000000);
1647 }
1648 evo_kick(push, mast);
1649 }
1650 }
1651
1652 nv_encoder->crtc = NULL;
1653 }
1654
1655 static enum drm_connector_status
1656 nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
1657 {
1658 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1659 struct nv50_disp *disp = nv50_disp(encoder->dev);
1660 struct {
1661 struct nv50_disp_mthd_v1 base;
1662 struct nv50_disp_dac_load_v0 load;
1663 } args = {
1664 .base.version = 1,
1665 .base.method = NV50_DISP_MTHD_V1_DAC_LOAD,
1666 .base.hasht = nv_encoder->dcb->hasht,
1667 .base.hashm = nv_encoder->dcb->hashm,
1668 };
1669 int ret;
1670
1671 args.load.data = nouveau_drm(encoder->dev)->vbios.dactestval;
1672 if (args.load.data == 0)
1673 args.load.data = 340;
1674
1675 ret = nvif_mthd(disp->disp, 0, &args, sizeof(args));
1676 if (ret || !args.load.load)
1677 return connector_status_disconnected;
1678
1679 return connector_status_connected;
1680 }
1681
1682 static void
1683 nv50_dac_destroy(struct drm_encoder *encoder)
1684 {
1685 drm_encoder_cleanup(encoder);
1686 kfree(encoder);
1687 }
1688
1689 static const struct drm_encoder_helper_funcs nv50_dac_hfunc = {
1690 .dpms = nv50_dac_dpms,
1691 .mode_fixup = nv50_encoder_mode_fixup,
1692 .prepare = nv50_dac_disconnect,
1693 .commit = nv50_dac_commit,
1694 .mode_set = nv50_dac_mode_set,
1695 .disable = nv50_dac_disconnect,
1696 .get_crtc = nv50_display_crtc_get,
1697 .detect = nv50_dac_detect
1698 };
1699
1700 static const struct drm_encoder_funcs nv50_dac_func = {
1701 .destroy = nv50_dac_destroy,
1702 };
1703
1704 static int
1705 nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe)
1706 {
1707 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1708 struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
1709 struct nvkm_i2c_bus *bus;
1710 struct nouveau_encoder *nv_encoder;
1711 struct drm_encoder *encoder;
1712 int type = DRM_MODE_ENCODER_DAC;
1713
1714 nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
1715 if (!nv_encoder)
1716 return -ENOMEM;
1717 nv_encoder->dcb = dcbe;
1718 nv_encoder->or = ffs(dcbe->or) - 1;
1719
1720 bus = nvkm_i2c_bus_find(i2c, dcbe->i2c_index);
1721 if (bus)
1722 nv_encoder->i2c = &bus->i2c;
1723
1724 encoder = to_drm_encoder(nv_encoder);
1725 encoder->possible_crtcs = dcbe->heads;
1726 encoder->possible_clones = 0;
1727 drm_encoder_init(connector->dev, encoder, &nv50_dac_func, type, NULL);
1728 drm_encoder_helper_add(encoder, &nv50_dac_hfunc);
1729
1730 drm_mode_connector_attach_encoder(connector, encoder);
1731 return 0;
1732 }
1733
1734 /******************************************************************************
1735 * Audio
1736 *****************************************************************************/
1737 static void
1738 nv50_audio_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
1739 {
1740 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1741 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1742 struct nouveau_connector *nv_connector;
1743 struct nv50_disp *disp = nv50_disp(encoder->dev);
1744 struct __packed {
1745 struct {
1746 struct nv50_disp_mthd_v1 mthd;
1747 struct nv50_disp_sor_hda_eld_v0 eld;
1748 } base;
1749 u8 data[sizeof(nv_connector->base.eld)];
1750 } args = {
1751 .base.mthd.version = 1,
1752 .base.mthd.method = NV50_DISP_MTHD_V1_SOR_HDA_ELD,
1753 .base.mthd.hasht = nv_encoder->dcb->hasht,
1754 .base.mthd.hashm = (0xf0ff & nv_encoder->dcb->hashm) |
1755 (0x0100 << nv_crtc->index),
1756 };
1757
1758 nv_connector = nouveau_encoder_connector_get(nv_encoder);
1759 if (!drm_detect_monitor_audio(nv_connector->edid))
1760 return;
1761
1762 drm_edid_to_eld(&nv_connector->base, nv_connector->edid);
1763 memcpy(args.data, nv_connector->base.eld, sizeof(args.data));
1764
1765 nvif_mthd(disp->disp, 0, &args,
1766 sizeof(args.base) + drm_eld_size(args.data));
1767 }
1768
1769 static void
1770 nv50_audio_disconnect(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc)
1771 {
1772 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1773 struct nv50_disp *disp = nv50_disp(encoder->dev);
1774 struct {
1775 struct nv50_disp_mthd_v1 base;
1776 struct nv50_disp_sor_hda_eld_v0 eld;
1777 } args = {
1778 .base.version = 1,
1779 .base.method = NV50_DISP_MTHD_V1_SOR_HDA_ELD,
1780 .base.hasht = nv_encoder->dcb->hasht,
1781 .base.hashm = (0xf0ff & nv_encoder->dcb->hashm) |
1782 (0x0100 << nv_crtc->index),
1783 };
1784
1785 nvif_mthd(disp->disp, 0, &args, sizeof(args));
1786 }
1787
1788 /******************************************************************************
1789 * HDMI
1790 *****************************************************************************/
1791 static void
1792 nv50_hdmi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
1793 {
1794 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1795 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1796 struct nv50_disp *disp = nv50_disp(encoder->dev);
1797 struct {
1798 struct nv50_disp_mthd_v1 base;
1799 struct nv50_disp_sor_hdmi_pwr_v0 pwr;
1800 } args = {
1801 .base.version = 1,
1802 .base.method = NV50_DISP_MTHD_V1_SOR_HDMI_PWR,
1803 .base.hasht = nv_encoder->dcb->hasht,
1804 .base.hashm = (0xf0ff & nv_encoder->dcb->hashm) |
1805 (0x0100 << nv_crtc->index),
1806 .pwr.state = 1,
1807 .pwr.rekey = 56, /* binary driver, and tegra, constant */
1808 };
1809 struct nouveau_connector *nv_connector;
1810 u32 max_ac_packet;
1811
1812 nv_connector = nouveau_encoder_connector_get(nv_encoder);
1813 if (!drm_detect_hdmi_monitor(nv_connector->edid))
1814 return;
1815
1816 max_ac_packet = mode->htotal - mode->hdisplay;
1817 max_ac_packet -= args.pwr.rekey;
1818 max_ac_packet -= 18; /* constant from tegra */
1819 args.pwr.max_ac_packet = max_ac_packet / 32;
1820
1821 nvif_mthd(disp->disp, 0, &args, sizeof(args));
1822 nv50_audio_mode_set(encoder, mode);
1823 }
1824
1825 static void
1826 nv50_hdmi_disconnect(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc)
1827 {
1828 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1829 struct nv50_disp *disp = nv50_disp(encoder->dev);
1830 struct {
1831 struct nv50_disp_mthd_v1 base;
1832 struct nv50_disp_sor_hdmi_pwr_v0 pwr;
1833 } args = {
1834 .base.version = 1,
1835 .base.method = NV50_DISP_MTHD_V1_SOR_HDMI_PWR,
1836 .base.hasht = nv_encoder->dcb->hasht,
1837 .base.hashm = (0xf0ff & nv_encoder->dcb->hashm) |
1838 (0x0100 << nv_crtc->index),
1839 };
1840
1841 nvif_mthd(disp->disp, 0, &args, sizeof(args));
1842 }
1843
1844 /******************************************************************************
1845 * SOR
1846 *****************************************************************************/
1847 static void
1848 nv50_sor_dpms(struct drm_encoder *encoder, int mode)
1849 {
1850 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1851 struct nv50_disp *disp = nv50_disp(encoder->dev);
1852 struct {
1853 struct nv50_disp_mthd_v1 base;
1854 struct nv50_disp_sor_pwr_v0 pwr;
1855 } args = {
1856 .base.version = 1,
1857 .base.method = NV50_DISP_MTHD_V1_SOR_PWR,
1858 .base.hasht = nv_encoder->dcb->hasht,
1859 .base.hashm = nv_encoder->dcb->hashm,
1860 .pwr.state = mode == DRM_MODE_DPMS_ON,
1861 };
1862 struct {
1863 struct nv50_disp_mthd_v1 base;
1864 struct nv50_disp_sor_dp_pwr_v0 pwr;
1865 } link = {
1866 .base.version = 1,
1867 .base.method = NV50_DISP_MTHD_V1_SOR_DP_PWR,
1868 .base.hasht = nv_encoder->dcb->hasht,
1869 .base.hashm = nv_encoder->dcb->hashm,
1870 .pwr.state = mode == DRM_MODE_DPMS_ON,
1871 };
1872 struct drm_device *dev = encoder->dev;
1873 struct drm_encoder *partner;
1874
1875 nv_encoder->last_dpms = mode;
1876
1877 list_for_each_entry(partner, &dev->mode_config.encoder_list, head) {
1878 struct nouveau_encoder *nv_partner = nouveau_encoder(partner);
1879
1880 if (partner->encoder_type != DRM_MODE_ENCODER_TMDS)
1881 continue;
1882
1883 if (nv_partner != nv_encoder &&
1884 nv_partner->dcb->or == nv_encoder->dcb->or) {
1885 if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
1886 return;
1887 break;
1888 }
1889 }
1890
1891 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
1892 args.pwr.state = 1;
1893 nvif_mthd(disp->disp, 0, &args, sizeof(args));
1894 nvif_mthd(disp->disp, 0, &link, sizeof(link));
1895 } else {
1896 nvif_mthd(disp->disp, 0, &args, sizeof(args));
1897 }
1898 }
1899
1900 static void
1901 nv50_sor_ctrl(struct nouveau_encoder *nv_encoder, u32 mask, u32 data)
1902 {
1903 struct nv50_mast *mast = nv50_mast(nv_encoder->base.base.dev);
1904 u32 temp = (nv_encoder->ctrl & ~mask) | (data & mask), *push;
1905 if (temp != nv_encoder->ctrl && (push = evo_wait(mast, 2))) {
1906 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1907 evo_mthd(push, 0x0600 + (nv_encoder->or * 0x40), 1);
1908 evo_data(push, (nv_encoder->ctrl = temp));
1909 } else {
1910 evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
1911 evo_data(push, (nv_encoder->ctrl = temp));
1912 }
1913 evo_kick(push, mast);
1914 }
1915 }
1916
1917 static void
1918 nv50_sor_disconnect(struct drm_encoder *encoder)
1919 {
1920 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1921 struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc);
1922
1923 nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
1924 nv_encoder->crtc = NULL;
1925
1926 if (nv_crtc) {
1927 nv50_crtc_prepare(&nv_crtc->base);
1928 nv50_sor_ctrl(nv_encoder, 1 << nv_crtc->index, 0);
1929 nv50_audio_disconnect(encoder, nv_crtc);
1930 nv50_hdmi_disconnect(&nv_encoder->base.base, nv_crtc);
1931 }
1932 }
1933
1934 static void
1935 nv50_sor_commit(struct drm_encoder *encoder)
1936 {
1937 }
1938
1939 static void
1940 nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
1941 struct drm_display_mode *mode)
1942 {
1943 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1944 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1945 struct {
1946 struct nv50_disp_mthd_v1 base;
1947 struct nv50_disp_sor_lvds_script_v0 lvds;
1948 } lvds = {
1949 .base.version = 1,
1950 .base.method = NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT,
1951 .base.hasht = nv_encoder->dcb->hasht,
1952 .base.hashm = nv_encoder->dcb->hashm,
1953 };
1954 struct nv50_disp *disp = nv50_disp(encoder->dev);
1955 struct nv50_mast *mast = nv50_mast(encoder->dev);
1956 struct drm_device *dev = encoder->dev;
1957 struct nouveau_drm *drm = nouveau_drm(dev);
1958 struct nouveau_connector *nv_connector;
1959 struct nvbios *bios = &drm->vbios;
1960 u32 mask, ctrl;
1961 u8 owner = 1 << nv_crtc->index;
1962 u8 proto = 0xf;
1963 u8 depth = 0x0;
1964
1965 nv_connector = nouveau_encoder_connector_get(nv_encoder);
1966 nv_encoder->crtc = encoder->crtc;
1967
1968 switch (nv_encoder->dcb->type) {
1969 case DCB_OUTPUT_TMDS:
1970 if (nv_encoder->dcb->sorconf.link & 1) {
1971 proto = 0x1;
1972 /* Only enable dual-link if:
1973 * - Need to (i.e. rate > 165MHz)
1974 * - DCB says we can
1975 * - Not an HDMI monitor, since there's no dual-link
1976 * on HDMI.
1977 */
1978 if (mode->clock >= 165000 &&
1979 nv_encoder->dcb->duallink_possible &&
1980 !drm_detect_hdmi_monitor(nv_connector->edid))
1981 proto |= 0x4;
1982 } else {
1983 proto = 0x2;
1984 }
1985
1986 nv50_hdmi_mode_set(&nv_encoder->base.base, mode);
1987 break;
1988 case DCB_OUTPUT_LVDS:
1989 proto = 0x0;
1990
1991 if (bios->fp_no_ddc) {
1992 if (bios->fp.dual_link)
1993 lvds.lvds.script |= 0x0100;
1994 if (bios->fp.if_is_24bit)
1995 lvds.lvds.script |= 0x0200;
1996 } else {
1997 if (nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) {
1998 if (((u8 *)nv_connector->edid)[121] == 2)
1999 lvds.lvds.script |= 0x0100;
2000 } else
2001 if (mode->clock >= bios->fp.duallink_transition_clk) {
2002 lvds.lvds.script |= 0x0100;
2003 }
2004
2005 if (lvds.lvds.script & 0x0100) {
2006 if (bios->fp.strapless_is_24bit & 2)
2007 lvds.lvds.script |= 0x0200;
2008 } else {
2009 if (bios->fp.strapless_is_24bit & 1)
2010 lvds.lvds.script |= 0x0200;
2011 }
2012
2013 if (nv_connector->base.display_info.bpc == 8)
2014 lvds.lvds.script |= 0x0200;
2015 }
2016
2017 nvif_mthd(disp->disp, 0, &lvds, sizeof(lvds));
2018 break;
2019 case DCB_OUTPUT_DP:
2020 if (nv_connector->base.display_info.bpc == 6) {
2021 nv_encoder->dp.datarate = mode->clock * 18 / 8;
2022 depth = 0x2;
2023 } else
2024 if (nv_connector->base.display_info.bpc == 8) {
2025 nv_encoder->dp.datarate = mode->clock * 24 / 8;
2026 depth = 0x5;
2027 } else {
2028 nv_encoder->dp.datarate = mode->clock * 30 / 8;
2029 depth = 0x6;
2030 }
2031
2032 if (nv_encoder->dcb->sorconf.link & 1)
2033 proto = 0x8;
2034 else
2035 proto = 0x9;
2036 nv50_audio_mode_set(encoder, mode);
2037 break;
2038 default:
2039 BUG_ON(1);
2040 break;
2041 }
2042
2043 nv50_sor_dpms(&nv_encoder->base.base, DRM_MODE_DPMS_ON);
2044
2045 if (nv50_vers(mast) >= GF110_DISP) {
2046 u32 *push = evo_wait(mast, 3);
2047 if (push) {
2048 u32 magic = 0x31ec6000 | (nv_crtc->index << 25);
2049 u32 syncs = 0x00000001;
2050
2051 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
2052 syncs |= 0x00000008;
2053 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
2054 syncs |= 0x00000010;
2055
2056 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2057 magic |= 0x00000001;
2058
2059 evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
2060 evo_data(push, syncs | (depth << 6));
2061 evo_data(push, magic);
2062 evo_kick(push, mast);
2063 }
2064
2065 ctrl = proto << 8;
2066 mask = 0x00000f00;
2067 } else {
2068 ctrl = (depth << 16) | (proto << 8);
2069 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
2070 ctrl |= 0x00001000;
2071 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
2072 ctrl |= 0x00002000;
2073 mask = 0x000f3f00;
2074 }
2075
2076 nv50_sor_ctrl(nv_encoder, mask | owner, ctrl | owner);
2077 }
2078
2079 static void
2080 nv50_sor_destroy(struct drm_encoder *encoder)
2081 {
2082 drm_encoder_cleanup(encoder);
2083 kfree(encoder);
2084 }
2085
2086 static const struct drm_encoder_helper_funcs nv50_sor_hfunc = {
2087 .dpms = nv50_sor_dpms,
2088 .mode_fixup = nv50_encoder_mode_fixup,
2089 .prepare = nv50_sor_disconnect,
2090 .commit = nv50_sor_commit,
2091 .mode_set = nv50_sor_mode_set,
2092 .disable = nv50_sor_disconnect,
2093 .get_crtc = nv50_display_crtc_get,
2094 };
2095
2096 static const struct drm_encoder_funcs nv50_sor_func = {
2097 .destroy = nv50_sor_destroy,
2098 };
2099
2100 static int
2101 nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
2102 {
2103 struct nouveau_drm *drm = nouveau_drm(connector->dev);
2104 struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
2105 struct nouveau_encoder *nv_encoder;
2106 struct drm_encoder *encoder;
2107 int type;
2108
2109 switch (dcbe->type) {
2110 case DCB_OUTPUT_LVDS: type = DRM_MODE_ENCODER_LVDS; break;
2111 case DCB_OUTPUT_TMDS:
2112 case DCB_OUTPUT_DP:
2113 default:
2114 type = DRM_MODE_ENCODER_TMDS;
2115 break;
2116 }
2117
2118 nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
2119 if (!nv_encoder)
2120 return -ENOMEM;
2121 nv_encoder->dcb = dcbe;
2122 nv_encoder->or = ffs(dcbe->or) - 1;
2123 nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
2124
2125 if (dcbe->type == DCB_OUTPUT_DP) {
2126 struct nvkm_i2c_aux *aux =
2127 nvkm_i2c_aux_find(i2c, dcbe->i2c_index);
2128 if (aux) {
2129 nv_encoder->i2c = &aux->i2c;
2130 nv_encoder->aux = aux;
2131 }
2132 } else {
2133 struct nvkm_i2c_bus *bus =
2134 nvkm_i2c_bus_find(i2c, dcbe->i2c_index);
2135 if (bus)
2136 nv_encoder->i2c = &bus->i2c;
2137 }
2138
2139 encoder = to_drm_encoder(nv_encoder);
2140 encoder->possible_crtcs = dcbe->heads;
2141 encoder->possible_clones = 0;
2142 drm_encoder_init(connector->dev, encoder, &nv50_sor_func, type, NULL);
2143 drm_encoder_helper_add(encoder, &nv50_sor_hfunc);
2144
2145 drm_mode_connector_attach_encoder(connector, encoder);
2146 return 0;
2147 }
2148
2149 /******************************************************************************
2150 * PIOR
2151 *****************************************************************************/
2152
2153 static void
2154 nv50_pior_dpms(struct drm_encoder *encoder, int mode)
2155 {
2156 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
2157 struct nv50_disp *disp = nv50_disp(encoder->dev);
2158 struct {
2159 struct nv50_disp_mthd_v1 base;
2160 struct nv50_disp_pior_pwr_v0 pwr;
2161 } args = {
2162 .base.version = 1,
2163 .base.method = NV50_DISP_MTHD_V1_PIOR_PWR,
2164 .base.hasht = nv_encoder->dcb->hasht,
2165 .base.hashm = nv_encoder->dcb->hashm,
2166 .pwr.state = mode == DRM_MODE_DPMS_ON,
2167 .pwr.type = nv_encoder->dcb->type,
2168 };
2169
2170 nvif_mthd(disp->disp, 0, &args, sizeof(args));
2171 }
2172
2173 static bool
2174 nv50_pior_mode_fixup(struct drm_encoder *encoder,
2175 const struct drm_display_mode *mode,
2176 struct drm_display_mode *adjusted_mode)
2177 {
2178 if (!nv50_encoder_mode_fixup(encoder, mode, adjusted_mode))
2179 return false;
2180 adjusted_mode->clock *= 2;
2181 return true;
2182 }
2183
2184 static void
2185 nv50_pior_commit(struct drm_encoder *encoder)
2186 {
2187 }
2188
2189 static void
2190 nv50_pior_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
2191 struct drm_display_mode *adjusted_mode)
2192 {
2193 struct nv50_mast *mast = nv50_mast(encoder->dev);
2194 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
2195 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
2196 struct nouveau_connector *nv_connector;
2197 u8 owner = 1 << nv_crtc->index;
2198 u8 proto, depth;
2199 u32 *push;
2200
2201 nv_connector = nouveau_encoder_connector_get(nv_encoder);
2202 switch (nv_connector->base.display_info.bpc) {
2203 case 10: depth = 0x6; break;
2204 case 8: depth = 0x5; break;
2205 case 6: depth = 0x2; break;
2206 default: depth = 0x0; break;
2207 }
2208
2209 switch (nv_encoder->dcb->type) {
2210 case DCB_OUTPUT_TMDS:
2211 case DCB_OUTPUT_DP:
2212 proto = 0x0;
2213 break;
2214 default:
2215 BUG_ON(1);
2216 break;
2217 }
2218
2219 nv50_pior_dpms(encoder, DRM_MODE_DPMS_ON);
2220
2221 push = evo_wait(mast, 8);
2222 if (push) {
2223 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
2224 u32 ctrl = (depth << 16) | (proto << 8) | owner;
2225 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
2226 ctrl |= 0x00001000;
2227 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
2228 ctrl |= 0x00002000;
2229 evo_mthd(push, 0x0700 + (nv_encoder->or * 0x040), 1);
2230 evo_data(push, ctrl);
2231 }
2232
2233 evo_kick(push, mast);
2234 }
2235
2236 nv_encoder->crtc = encoder->crtc;
2237 }
2238
2239 static void
2240 nv50_pior_disconnect(struct drm_encoder *encoder)
2241 {
2242 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
2243 struct nv50_mast *mast = nv50_mast(encoder->dev);
2244 const int or = nv_encoder->or;
2245 u32 *push;
2246
2247 if (nv_encoder->crtc) {
2248 nv50_crtc_prepare(nv_encoder->crtc);
2249
2250 push = evo_wait(mast, 4);
2251 if (push) {
2252 if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
2253 evo_mthd(push, 0x0700 + (or * 0x040), 1);
2254 evo_data(push, 0x00000000);
2255 }
2256 evo_kick(push, mast);
2257 }
2258 }
2259
2260 nv_encoder->crtc = NULL;
2261 }
2262
2263 static void
2264 nv50_pior_destroy(struct drm_encoder *encoder)
2265 {
2266 drm_encoder_cleanup(encoder);
2267 kfree(encoder);
2268 }
2269
2270 static const struct drm_encoder_helper_funcs nv50_pior_hfunc = {
2271 .dpms = nv50_pior_dpms,
2272 .mode_fixup = nv50_pior_mode_fixup,
2273 .prepare = nv50_pior_disconnect,
2274 .commit = nv50_pior_commit,
2275 .mode_set = nv50_pior_mode_set,
2276 .disable = nv50_pior_disconnect,
2277 .get_crtc = nv50_display_crtc_get,
2278 };
2279
2280 static const struct drm_encoder_funcs nv50_pior_func = {
2281 .destroy = nv50_pior_destroy,
2282 };
2283
2284 static int
2285 nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
2286 {
2287 struct nouveau_drm *drm = nouveau_drm(connector->dev);
2288 struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
2289 struct nvkm_i2c_bus *bus = NULL;
2290 struct nvkm_i2c_aux *aux = NULL;
2291 struct i2c_adapter *ddc;
2292 struct nouveau_encoder *nv_encoder;
2293 struct drm_encoder *encoder;
2294 int type;
2295
2296 switch (dcbe->type) {
2297 case DCB_OUTPUT_TMDS:
2298 bus = nvkm_i2c_bus_find(i2c, NVKM_I2C_BUS_EXT(dcbe->extdev));
2299 ddc = bus ? &bus->i2c : NULL;
2300 type = DRM_MODE_ENCODER_TMDS;
2301 break;
2302 case DCB_OUTPUT_DP:
2303 aux = nvkm_i2c_aux_find(i2c, NVKM_I2C_AUX_EXT(dcbe->extdev));
2304 ddc = aux ? &aux->i2c : NULL;
2305 type = DRM_MODE_ENCODER_TMDS;
2306 break;
2307 default:
2308 return -ENODEV;
2309 }
2310
2311 nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
2312 if (!nv_encoder)
2313 return -ENOMEM;
2314 nv_encoder->dcb = dcbe;
2315 nv_encoder->or = ffs(dcbe->or) - 1;
2316 nv_encoder->i2c = ddc;
2317 nv_encoder->aux = aux;
2318
2319 encoder = to_drm_encoder(nv_encoder);
2320 encoder->possible_crtcs = dcbe->heads;
2321 encoder->possible_clones = 0;
2322 drm_encoder_init(connector->dev, encoder, &nv50_pior_func, type, NULL);
2323 drm_encoder_helper_add(encoder, &nv50_pior_hfunc);
2324
2325 drm_mode_connector_attach_encoder(connector, encoder);
2326 return 0;
2327 }
2328
2329 /******************************************************************************
2330 * Framebuffer
2331 *****************************************************************************/
2332
2333 static void
2334 nv50_fbdma_fini(struct nv50_fbdma *fbdma)
2335 {
2336 int i;
2337 for (i = 0; i < ARRAY_SIZE(fbdma->base); i++)
2338 nvif_object_fini(&fbdma->base[i]);
2339 nvif_object_fini(&fbdma->core);
2340 list_del(&fbdma->head);
2341 kfree(fbdma);
2342 }
2343
2344 static int
2345 nv50_fbdma_init(struct drm_device *dev, u32 name, u64 offset, u64 length, u8 kind)
2346 {
2347 struct nouveau_drm *drm = nouveau_drm(dev);
2348 struct nv50_disp *disp = nv50_disp(dev);
2349 struct nv50_mast *mast = nv50_mast(dev);
2350 struct __attribute__ ((packed)) {
2351 struct nv_dma_v0 base;
2352 union {
2353 struct nv50_dma_v0 nv50;
2354 struct gf100_dma_v0 gf100;
2355 struct gf119_dma_v0 gf119;
2356 };
2357 } args = {};
2358 struct nv50_fbdma *fbdma;
2359 struct drm_crtc *crtc;
2360 u32 size = sizeof(args.base);
2361 int ret;
2362
2363 list_for_each_entry(fbdma, &disp->fbdma, head) {
2364 if (fbdma->core.handle == name)
2365 return 0;
2366 }
2367
2368 fbdma = kzalloc(sizeof(*fbdma), GFP_KERNEL);
2369 if (!fbdma)
2370 return -ENOMEM;
2371 list_add(&fbdma->head, &disp->fbdma);
2372
2373 args.base.target = NV_DMA_V0_TARGET_VRAM;
2374 args.base.access = NV_DMA_V0_ACCESS_RDWR;
2375 args.base.start = offset;
2376 args.base.limit = offset + length - 1;
2377
2378 if (drm->device.info.chipset < 0x80) {
2379 args.nv50.part = NV50_DMA_V0_PART_256;
2380 size += sizeof(args.nv50);
2381 } else
2382 if (drm->device.info.chipset < 0xc0) {
2383 args.nv50.part = NV50_DMA_V0_PART_256;
2384 args.nv50.kind = kind;
2385 size += sizeof(args.nv50);
2386 } else
2387 if (drm->device.info.chipset < 0xd0) {
2388 args.gf100.kind = kind;
2389 size += sizeof(args.gf100);
2390 } else {
2391 args.gf119.page = GF119_DMA_V0_PAGE_LP;
2392 args.gf119.kind = kind;
2393 size += sizeof(args.gf119);
2394 }
2395
2396 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
2397 struct nv50_head *head = nv50_head(crtc);
2398 int ret = nvif_object_init(&head->sync.base.base.user, name,
2399 NV_DMA_IN_MEMORY, &args, size,
2400 &fbdma->base[head->base.index]);
2401 if (ret) {
2402 nv50_fbdma_fini(fbdma);
2403 return ret;
2404 }
2405 }
2406
2407 ret = nvif_object_init(&mast->base.base.user, name, NV_DMA_IN_MEMORY,
2408 &args, size, &fbdma->core);
2409 if (ret) {
2410 nv50_fbdma_fini(fbdma);
2411 return ret;
2412 }
2413
2414 return 0;
2415 }
2416
2417 static void
2418 nv50_fb_dtor(struct drm_framebuffer *fb)
2419 {
2420 }
2421
2422 static int
2423 nv50_fb_ctor(struct drm_framebuffer *fb)
2424 {
2425 struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
2426 struct nouveau_drm *drm = nouveau_drm(fb->dev);
2427 struct nouveau_bo *nvbo = nv_fb->nvbo;
2428 struct nv50_disp *disp = nv50_disp(fb->dev);
2429 u8 kind = nouveau_bo_tile_layout(nvbo) >> 8;
2430 u8 tile = nvbo->tile_mode;
2431
2432 if (drm->device.info.chipset >= 0xc0)
2433 tile >>= 4; /* yep.. */
2434
2435 switch (fb->depth) {
2436 case 8: nv_fb->r_format = 0x1e00; break;
2437 case 15: nv_fb->r_format = 0xe900; break;
2438 case 16: nv_fb->r_format = 0xe800; break;
2439 case 24:
2440 case 32: nv_fb->r_format = 0xcf00; break;
2441 case 30: nv_fb->r_format = 0xd100; break;
2442 default:
2443 NV_ERROR(drm, "unknown depth %d\n", fb->depth);
2444 return -EINVAL;
2445 }
2446
2447 if (disp->disp->oclass < G82_DISP) {
2448 nv_fb->r_pitch = kind ? (((fb->pitches[0] / 4) << 4) | tile) :
2449 (fb->pitches[0] | 0x00100000);
2450 nv_fb->r_format |= kind << 16;
2451 } else
2452 if (disp->disp->oclass < GF110_DISP) {
2453 nv_fb->r_pitch = kind ? (((fb->pitches[0] / 4) << 4) | tile) :
2454 (fb->pitches[0] | 0x00100000);
2455 } else {
2456 nv_fb->r_pitch = kind ? (((fb->pitches[0] / 4) << 4) | tile) :
2457 (fb->pitches[0] | 0x01000000);
2458 }
2459 nv_fb->r_handle = 0xffff0000 | kind;
2460
2461 return nv50_fbdma_init(fb->dev, nv_fb->r_handle, 0,
2462 drm->device.info.ram_user, kind);
2463 }
2464
2465 /******************************************************************************
2466 * Init
2467 *****************************************************************************/
2468
2469 void
2470 nv50_display_fini(struct drm_device *dev)
2471 {
2472 }
2473
2474 int
2475 nv50_display_init(struct drm_device *dev)
2476 {
2477 struct nv50_disp *disp = nv50_disp(dev);
2478 struct drm_crtc *crtc;
2479 u32 *push;
2480
2481 push = evo_wait(nv50_mast(dev), 32);
2482 if (!push)
2483 return -EBUSY;
2484
2485 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
2486 struct nv50_sync *sync = nv50_sync(crtc);
2487
2488 nv50_crtc_lut_load(crtc);
2489 nouveau_bo_wr32(disp->sync, sync->addr / 4, sync->data);
2490 }
2491
2492 evo_mthd(push, 0x0088, 1);
2493 evo_data(push, nv50_mast(dev)->base.sync.handle);
2494 evo_kick(push, nv50_mast(dev));
2495 return 0;
2496 }
2497
2498 void
2499 nv50_display_destroy(struct drm_device *dev)
2500 {
2501 struct nv50_disp *disp = nv50_disp(dev);
2502 struct nv50_fbdma *fbdma, *fbtmp;
2503
2504 list_for_each_entry_safe(fbdma, fbtmp, &disp->fbdma, head) {
2505 nv50_fbdma_fini(fbdma);
2506 }
2507
2508 nv50_dmac_destroy(&disp->mast.base, disp->disp);
2509
2510 nouveau_bo_unmap(disp->sync);
2511 if (disp->sync)
2512 nouveau_bo_unpin(disp->sync);
2513 nouveau_bo_ref(NULL, &disp->sync);
2514
2515 nouveau_display(dev)->priv = NULL;
2516 kfree(disp);
2517 }
2518
2519 int
2520 nv50_display_create(struct drm_device *dev)
2521 {
2522 struct nvif_device *device = &nouveau_drm(dev)->device;
2523 struct nouveau_drm *drm = nouveau_drm(dev);
2524 struct dcb_table *dcb = &drm->vbios.dcb;
2525 struct drm_connector *connector, *tmp;
2526 struct nv50_disp *disp;
2527 struct dcb_output *dcbe;
2528 int crtcs, ret, i;
2529
2530 disp = kzalloc(sizeof(*disp), GFP_KERNEL);
2531 if (!disp)
2532 return -ENOMEM;
2533 INIT_LIST_HEAD(&disp->fbdma);
2534
2535 nouveau_display(dev)->priv = disp;
2536 nouveau_display(dev)->dtor = nv50_display_destroy;
2537 nouveau_display(dev)->init = nv50_display_init;
2538 nouveau_display(dev)->fini = nv50_display_fini;
2539 nouveau_display(dev)->fb_ctor = nv50_fb_ctor;
2540 nouveau_display(dev)->fb_dtor = nv50_fb_dtor;
2541 disp->disp = &nouveau_display(dev)->disp;
2542
2543 /* small shared memory area we use for notifiers and semaphores */
2544 ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
2545 0, 0x0000, NULL, NULL, &disp->sync);
2546 if (!ret) {
2547 ret = nouveau_bo_pin(disp->sync, TTM_PL_FLAG_VRAM, true);
2548 if (!ret) {
2549 ret = nouveau_bo_map(disp->sync);
2550 if (ret)
2551 nouveau_bo_unpin(disp->sync);
2552 }
2553 if (ret)
2554 nouveau_bo_ref(NULL, &disp->sync);
2555 }
2556
2557 if (ret)
2558 goto out;
2559
2560 /* allocate master evo channel */
2561 ret = nv50_core_create(device, disp->disp, disp->sync->bo.offset,
2562 &disp->mast);
2563 if (ret)
2564 goto out;
2565
2566 /* create crtc objects to represent the hw heads */
2567 if (disp->disp->oclass >= GF110_DISP)
2568 crtcs = nvif_rd32(&device->object, 0x022448);
2569 else
2570 crtcs = 2;
2571
2572 for (i = 0; i < crtcs; i++) {
2573 ret = nv50_crtc_create(dev, i);
2574 if (ret)
2575 goto out;
2576 }
2577
2578 /* create encoder/connector objects based on VBIOS DCB table */
2579 for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) {
2580 connector = nouveau_connector_create(dev, dcbe->connector);
2581 if (IS_ERR(connector))
2582 continue;
2583
2584 if (dcbe->location == DCB_LOC_ON_CHIP) {
2585 switch (dcbe->type) {
2586 case DCB_OUTPUT_TMDS:
2587 case DCB_OUTPUT_LVDS:
2588 case DCB_OUTPUT_DP:
2589 ret = nv50_sor_create(connector, dcbe);
2590 break;
2591 case DCB_OUTPUT_ANALOG:
2592 ret = nv50_dac_create(connector, dcbe);
2593 break;
2594 default:
2595 ret = -ENODEV;
2596 break;
2597 }
2598 } else {
2599 ret = nv50_pior_create(connector, dcbe);
2600 }
2601
2602 if (ret) {
2603 NV_WARN(drm, "failed to create encoder %d/%d/%d: %d\n",
2604 dcbe->location, dcbe->type,
2605 ffs(dcbe->or) - 1, ret);
2606 ret = 0;
2607 }
2608 }
2609
2610 /* cull any connectors we created that don't have an encoder */
2611 list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) {
2612 if (connector->encoder_ids[0])
2613 continue;
2614
2615 NV_WARN(drm, "%s has no encoders, removing\n",
2616 connector->name);
2617 connector->funcs->destroy(connector);
2618 }
2619
2620 out:
2621 if (ret)
2622 nv50_display_destroy(dev);
2623 return ret;
2624 }
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