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
32#include <nvif/class.h>
33
34#include "nouveau_drm.h"
35#include "nouveau_dma.h"
36#include "nouveau_gem.h"
37#include "nouveau_connector.h"
38#include "nouveau_encoder.h"
39#include "nouveau_crtc.h"
40#include "nouveau_fence.h"
41#include "nv50_display.h"
42
43#define EVO_DMA_NR 9
44
45#define EVO_MASTER  (0x00)
46#define EVO_FLIP(c) (0x01 + (c))
47#define EVO_OVLY(c) (0x05 + (c))
48#define EVO_OIMM(c) (0x09 + (c))
49#define EVO_CURS(c) (0x0d + (c))
50
51/* offsets in shared sync bo of various structures */
52#define EVO_SYNC(c, o) ((c) * 0x0100 + (o))
53#define EVO_MAST_NTFY     EVO_SYNC(      0, 0x00)
54#define EVO_FLIP_SEM0(c)  EVO_SYNC((c) + 1, 0x00)
55#define EVO_FLIP_SEM1(c)  EVO_SYNC((c) + 1, 0x10)
56
57/******************************************************************************
58 * EVO channel
59 *****************************************************************************/
60
61struct nv50_chan {
62	struct nvif_object user;
63};
64
65static int
66nv50_chan_create(struct nvif_object *disp, const u32 *oclass, u8 head,
67		 void *data, u32 size, struct nv50_chan *chan)
68{
69	const u32 handle = (oclass[0] << 16) | head;
70	u32 sclass[8];
71	int ret, i;
72
73	ret = nvif_object_sclass(disp, sclass, ARRAY_SIZE(sclass));
74	WARN_ON(ret > ARRAY_SIZE(sclass));
75	if (ret < 0)
76		return ret;
77
78	while (oclass[0]) {
79		for (i = 0; i < ARRAY_SIZE(sclass); i++) {
80			if (sclass[i] == oclass[0]) {
81				ret = nvif_object_init(disp, NULL, handle,
82						       oclass[0], data, size,
83						       &chan->user);
84				if (ret == 0)
85					nvif_object_map(&chan->user);
86				return ret;
87			}
88		}
89		oclass++;
90	}
91
92	return -ENOSYS;
93}
94
95static void
96nv50_chan_destroy(struct nv50_chan *chan)
97{
98	nvif_object_fini(&chan->user);
99}
100
101/******************************************************************************
102 * PIO EVO channel
103 *****************************************************************************/
104
105struct nv50_pioc {
106	struct nv50_chan base;
107};
108
109static void
110nv50_pioc_destroy(struct nv50_pioc *pioc)
111{
112	nv50_chan_destroy(&pioc->base);
113}
114
115static int
116nv50_pioc_create(struct nvif_object *disp, const u32 *oclass, u8 head,
117		 void *data, u32 size, struct nv50_pioc *pioc)
118{
119	return nv50_chan_create(disp, oclass, head, data, size, &pioc->base);
120}
121
122/******************************************************************************
123 * Cursor Immediate
124 *****************************************************************************/
125
126struct nv50_curs {
127	struct nv50_pioc base;
128};
129
130static int
131nv50_curs_create(struct nvif_object *disp, int head, struct nv50_curs *curs)
132{
133	struct nv50_disp_cursor_v0 args = {
134		.head = head,
135	};
136	static const u32 oclass[] = {
137		GK104_DISP_CURSOR,
138		GF110_DISP_CURSOR,
139		GT214_DISP_CURSOR,
140		G82_DISP_CURSOR,
141		NV50_DISP_CURSOR,
142		0
143	};
144
145	return nv50_pioc_create(disp, oclass, head, &args, sizeof(args),
146			       &curs->base);
147}
148
149/******************************************************************************
150 * Overlay Immediate
151 *****************************************************************************/
152
153struct nv50_oimm {
154	struct nv50_pioc base;
155};
156
157static int
158nv50_oimm_create(struct nvif_object *disp, int head, struct nv50_oimm *oimm)
159{
160	struct nv50_disp_cursor_v0 args = {
161		.head = head,
162	};
163	static const u32 oclass[] = {
164		GK104_DISP_OVERLAY,
165		GF110_DISP_OVERLAY,
166		GT214_DISP_OVERLAY,
167		G82_DISP_OVERLAY,
168		NV50_DISP_OVERLAY,
169		0
170	};
171
172	return nv50_pioc_create(disp, oclass, head, &args, sizeof(args),
173			       &oimm->base);
174}
175
176/******************************************************************************
177 * DMA EVO channel
178 *****************************************************************************/
179
180struct nv50_dmac {
181	struct nv50_chan base;
182	dma_addr_t handle;
183	u32 *ptr;
184
185	struct nvif_object sync;
186	struct nvif_object vram;
187
188	/* Protects against concurrent pushbuf access to this channel, lock is
189	 * grabbed by evo_wait (if the pushbuf reservation is successful) and
190	 * dropped again by evo_kick. */
191	struct mutex lock;
192};
193
194static void
195nv50_dmac_destroy(struct nv50_dmac *dmac, struct nvif_object *disp)
196{
197	nvif_object_fini(&dmac->vram);
198	nvif_object_fini(&dmac->sync);
199
200	nv50_chan_destroy(&dmac->base);
201
202	if (dmac->ptr) {
203		struct pci_dev *pdev = nvxx_device(nvif_device(disp))->pdev;
204		pci_free_consistent(pdev, PAGE_SIZE, dmac->ptr, dmac->handle);
205	}
206}
207
208static int
209nv50_dmac_create(struct nvif_object *disp, const u32 *oclass, u8 head,
210		 void *data, u32 size, u64 syncbuf,
211		 struct nv50_dmac *dmac)
212{
213	struct nvif_device *device = nvif_device(disp);
214	struct nv50_disp_core_channel_dma_v0 *args = data;
215	struct nvif_object pushbuf;
216	int ret;
217
218	mutex_init(&dmac->lock);
219
220	dmac->ptr = pci_alloc_consistent(nvxx_device(device)->pdev,
221					 PAGE_SIZE, &dmac->handle);
222	if (!dmac->ptr)
223		return -ENOMEM;
224
225	ret = nvif_object_init(nvif_object(device), NULL,
226			       args->pushbuf, NV_DMA_FROM_MEMORY,
227			       &(struct nv_dma_v0) {
228					.target = NV_DMA_V0_TARGET_PCI_US,
229					.access = NV_DMA_V0_ACCESS_RD,
230					.start = dmac->handle + 0x0000,
231					.limit = dmac->handle + 0x0fff,
232			       }, sizeof(struct nv_dma_v0), &pushbuf);
233	if (ret)
234		return ret;
235
236	ret = nv50_chan_create(disp, oclass, head, data, size, &dmac->base);
237	nvif_object_fini(&pushbuf);
238	if (ret)
239		return ret;
240
241	ret = nvif_object_init(&dmac->base.user, NULL, 0xf0000000,
242			       NV_DMA_IN_MEMORY,
243			       &(struct nv_dma_v0) {
244					.target = NV_DMA_V0_TARGET_VRAM,
245					.access = NV_DMA_V0_ACCESS_RDWR,
246					.start = syncbuf + 0x0000,
247					.limit = syncbuf + 0x0fff,
248			       }, sizeof(struct nv_dma_v0),
249			       &dmac->sync);
250	if (ret)
251		return ret;
252
253	ret = nvif_object_init(&dmac->base.user, NULL, 0xf0000001,
254			       NV_DMA_IN_MEMORY,
255			       &(struct nv_dma_v0) {
256					.target = NV_DMA_V0_TARGET_VRAM,
257					.access = NV_DMA_V0_ACCESS_RDWR,
258					.start = 0,
259					.limit = device->info.ram_user - 1,
260			       }, sizeof(struct nv_dma_v0),
261			       &dmac->vram);
262	if (ret)
263		return ret;
264
265	return ret;
266}
267
268/******************************************************************************
269 * Core
270 *****************************************************************************/
271
272struct nv50_mast {
273	struct nv50_dmac base;
274};
275
276static int
277nv50_core_create(struct nvif_object *disp, u64 syncbuf, struct nv50_mast *core)
278{
279	struct nv50_disp_core_channel_dma_v0 args = {
280		.pushbuf = 0xb0007d00,
281	};
282	static const u32 oclass[] = {
283		GM204_DISP_CORE_CHANNEL_DMA,
284		GM107_DISP_CORE_CHANNEL_DMA,
285		GK110_DISP_CORE_CHANNEL_DMA,
286		GK104_DISP_CORE_CHANNEL_DMA,
287		GF110_DISP_CORE_CHANNEL_DMA,
288		GT214_DISP_CORE_CHANNEL_DMA,
289		GT206_DISP_CORE_CHANNEL_DMA,
290		GT200_DISP_CORE_CHANNEL_DMA,
291		G82_DISP_CORE_CHANNEL_DMA,
292		NV50_DISP_CORE_CHANNEL_DMA,
293		0
294	};
295
296	return nv50_dmac_create(disp, oclass, 0, &args, sizeof(args), syncbuf,
297			       &core->base);
298}
299
300/******************************************************************************
301 * Base
302 *****************************************************************************/
303
304struct nv50_sync {
305	struct nv50_dmac base;
306	u32 addr;
307	u32 data;
308};
309
310static int
311nv50_base_create(struct nvif_object *disp, int head, u64 syncbuf,
312		 struct nv50_sync *base)
313{
314	struct nv50_disp_base_channel_dma_v0 args = {
315		.pushbuf = 0xb0007c00 | head,
316		.head = head,
317	};
318	static const u32 oclass[] = {
319		GK110_DISP_BASE_CHANNEL_DMA,
320		GK104_DISP_BASE_CHANNEL_DMA,
321		GF110_DISP_BASE_CHANNEL_DMA,
322		GT214_DISP_BASE_CHANNEL_DMA,
323		GT200_DISP_BASE_CHANNEL_DMA,
324		G82_DISP_BASE_CHANNEL_DMA,
325		NV50_DISP_BASE_CHANNEL_DMA,
326		0
327	};
328
329	return nv50_dmac_create(disp, oclass, head, &args, sizeof(args),
330				syncbuf, &base->base);
331}
332
333/******************************************************************************
334 * Overlay
335 *****************************************************************************/
336
337struct nv50_ovly {
338	struct nv50_dmac base;
339};
340
341static int
342nv50_ovly_create(struct nvif_object *disp, int head, u64 syncbuf,
343		 struct nv50_ovly *ovly)
344{
345	struct nv50_disp_overlay_channel_dma_v0 args = {
346		.pushbuf = 0xb0007e00 | head,
347		.head = head,
348	};
349	static const u32 oclass[] = {
350		GK104_DISP_OVERLAY_CONTROL_DMA,
351		GF110_DISP_OVERLAY_CONTROL_DMA,
352		GT214_DISP_OVERLAY_CHANNEL_DMA,
353		GT200_DISP_OVERLAY_CHANNEL_DMA,
354		G82_DISP_OVERLAY_CHANNEL_DMA,
355		NV50_DISP_OVERLAY_CHANNEL_DMA,
356		0
357	};
358
359	return nv50_dmac_create(disp, oclass, head, &args, sizeof(args),
360				syncbuf, &ovly->base);
361}
362
363struct nv50_head {
364	struct nouveau_crtc base;
365	struct nouveau_bo *image;
366	struct nv50_curs curs;
367	struct nv50_sync sync;
368	struct nv50_ovly ovly;
369	struct nv50_oimm oimm;
370};
371
372#define nv50_head(c) ((struct nv50_head *)nouveau_crtc(c))
373#define nv50_curs(c) (&nv50_head(c)->curs)
374#define nv50_sync(c) (&nv50_head(c)->sync)
375#define nv50_ovly(c) (&nv50_head(c)->ovly)
376#define nv50_oimm(c) (&nv50_head(c)->oimm)
377#define nv50_chan(c) (&(c)->base.base)
378#define nv50_vers(c) nv50_chan(c)->user.oclass
379
380struct nv50_fbdma {
381	struct list_head head;
382	struct nvif_object core;
383	struct nvif_object base[4];
384};
385
386struct nv50_disp {
387	struct nvif_object *disp;
388	struct nv50_mast mast;
389
390	struct list_head fbdma;
391
392	struct nouveau_bo *sync;
393};
394
395static struct nv50_disp *
396nv50_disp(struct drm_device *dev)
397{
398	return nouveau_display(dev)->priv;
399}
400
401#define nv50_mast(d) (&nv50_disp(d)->mast)
402
403static struct drm_crtc *
404nv50_display_crtc_get(struct drm_encoder *encoder)
405{
406	return nouveau_encoder(encoder)->crtc;
407}
408
409/******************************************************************************
410 * EVO channel helpers
411 *****************************************************************************/
412static u32 *
413evo_wait(void *evoc, int nr)
414{
415	struct nv50_dmac *dmac = evoc;
416	u32 put = nvif_rd32(&dmac->base.user, 0x0000) / 4;
417
418	mutex_lock(&dmac->lock);
419	if (put + nr >= (PAGE_SIZE / 4) - 8) {
420		dmac->ptr[put] = 0x20000000;
421
422		nvif_wr32(&dmac->base.user, 0x0000, 0x00000000);
423		if (!nvxx_wait(&dmac->base.user, 0x0004, ~0, 0x00000000)) {
424			mutex_unlock(&dmac->lock);
425			nv_error(nvxx_object(&dmac->base.user), "channel stalled\n");
426			return NULL;
427		}
428
429		put = 0;
430	}
431
432	return dmac->ptr + put;
433}
434
435static void
436evo_kick(u32 *push, void *evoc)
437{
438	struct nv50_dmac *dmac = evoc;
439	nvif_wr32(&dmac->base.user, 0x0000, (push - dmac->ptr) << 2);
440	mutex_unlock(&dmac->lock);
441}
442
443#if 1
444#define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
445#define evo_data(p,d)   *((p)++) = (d)
446#else
447#define evo_mthd(p,m,s) do {                                                   \
448	const u32 _m = (m), _s = (s);                                          \
449	printk(KERN_ERR "%04x %d %s\n", _m, _s, __func__);                     \
450	*((p)++) = ((_s << 18) | _m);                                          \
451} while(0)
452#define evo_data(p,d) do {                                                     \
453	const u32 _d = (d);                                                    \
454	printk(KERN_ERR "\t%08x\n", _d);                                       \
455	*((p)++) = _d;                                                         \
456} while(0)
457#endif
458
459static bool
460evo_sync_wait(void *data)
461{
462	if (nouveau_bo_rd32(data, EVO_MAST_NTFY) != 0x00000000)
463		return true;
464	usleep_range(1, 2);
465	return false;
466}
467
468static int
469evo_sync(struct drm_device *dev)
470{
471	struct nvif_device *device = &nouveau_drm(dev)->device;
472	struct nv50_disp *disp = nv50_disp(dev);
473	struct nv50_mast *mast = nv50_mast(dev);
474	u32 *push = evo_wait(mast, 8);
475	if (push) {
476		nouveau_bo_wr32(disp->sync, EVO_MAST_NTFY, 0x00000000);
477		evo_mthd(push, 0x0084, 1);
478		evo_data(push, 0x80000000 | EVO_MAST_NTFY);
479		evo_mthd(push, 0x0080, 2);
480		evo_data(push, 0x00000000);
481		evo_data(push, 0x00000000);
482		evo_kick(push, mast);
483		if (nv_wait_cb(nvxx_device(device), evo_sync_wait, disp->sync))
484			return 0;
485	}
486
487	return -EBUSY;
488}
489
490/******************************************************************************
491 * Page flipping channel
492 *****************************************************************************/
493struct nouveau_bo *
494nv50_display_crtc_sema(struct drm_device *dev, int crtc)
495{
496	return nv50_disp(dev)->sync;
497}
498
499struct nv50_display_flip {
500	struct nv50_disp *disp;
501	struct nv50_sync *chan;
502};
503
504static bool
505nv50_display_flip_wait(void *data)
506{
507	struct nv50_display_flip *flip = data;
508	if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) ==
509					      flip->chan->data)
510		return true;
511	usleep_range(1, 2);
512	return false;
513}
514
515void
516nv50_display_flip_stop(struct drm_crtc *crtc)
517{
518	struct nvif_device *device = &nouveau_drm(crtc->dev)->device;
519	struct nv50_display_flip flip = {
520		.disp = nv50_disp(crtc->dev),
521		.chan = nv50_sync(crtc),
522	};
523	u32 *push;
524
525	push = evo_wait(flip.chan, 8);
526	if (push) {
527		evo_mthd(push, 0x0084, 1);
528		evo_data(push, 0x00000000);
529		evo_mthd(push, 0x0094, 1);
530		evo_data(push, 0x00000000);
531		evo_mthd(push, 0x00c0, 1);
532		evo_data(push, 0x00000000);
533		evo_mthd(push, 0x0080, 1);
534		evo_data(push, 0x00000000);
535		evo_kick(push, flip.chan);
536	}
537
538	nv_wait_cb(nvxx_device(device), nv50_display_flip_wait, &flip);
539}
540
541int
542nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
543		       struct nouveau_channel *chan, u32 swap_interval)
544{
545	struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
546	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
547	struct nv50_head *head = nv50_head(crtc);
548	struct nv50_sync *sync = nv50_sync(crtc);
549	u32 *push;
550	int ret;
551
552	if (crtc->primary->fb->width != fb->width ||
553	    crtc->primary->fb->height != fb->height)
554		return -EINVAL;
555
556	swap_interval <<= 4;
557	if (swap_interval == 0)
558		swap_interval |= 0x100;
559	if (chan == NULL)
560		evo_sync(crtc->dev);
561
562	push = evo_wait(sync, 128);
563	if (unlikely(push == NULL))
564		return -EBUSY;
565
566	if (chan && chan->object->oclass < G82_CHANNEL_GPFIFO) {
567		ret = RING_SPACE(chan, 8);
568		if (ret)
569			return ret;
570
571		BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 2);
572		OUT_RING  (chan, NvEvoSema0 + nv_crtc->index);
573		OUT_RING  (chan, sync->addr ^ 0x10);
574		BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_RELEASE, 1);
575		OUT_RING  (chan, sync->data + 1);
576		BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_OFFSET, 2);
577		OUT_RING  (chan, sync->addr);
578		OUT_RING  (chan, sync->data);
579	} else
580	if (chan && chan->object->oclass < FERMI_CHANNEL_GPFIFO) {
581		u64 addr = nv84_fence_crtc(chan, nv_crtc->index) + sync->addr;
582		ret = RING_SPACE(chan, 12);
583		if (ret)
584			return ret;
585
586		BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1);
587		OUT_RING  (chan, chan->vram.handle);
588		BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
589		OUT_RING  (chan, upper_32_bits(addr ^ 0x10));
590		OUT_RING  (chan, lower_32_bits(addr ^ 0x10));
591		OUT_RING  (chan, sync->data + 1);
592		OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG);
593		BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
594		OUT_RING  (chan, upper_32_bits(addr));
595		OUT_RING  (chan, lower_32_bits(addr));
596		OUT_RING  (chan, sync->data);
597		OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL);
598	} else
599	if (chan) {
600		u64 addr = nv84_fence_crtc(chan, nv_crtc->index) + sync->addr;
601		ret = RING_SPACE(chan, 10);
602		if (ret)
603			return ret;
604
605		BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
606		OUT_RING  (chan, upper_32_bits(addr ^ 0x10));
607		OUT_RING  (chan, lower_32_bits(addr ^ 0x10));
608		OUT_RING  (chan, sync->data + 1);
609		OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG |
610				 NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD);
611		BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
612		OUT_RING  (chan, upper_32_bits(addr));
613		OUT_RING  (chan, lower_32_bits(addr));
614		OUT_RING  (chan, sync->data);
615		OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL |
616				 NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD);
617	}
618
619	if (chan) {
620		sync->addr ^= 0x10;
621		sync->data++;
622		FIRE_RING (chan);
623	}
624
625	/* queue the flip */
626	evo_mthd(push, 0x0100, 1);
627	evo_data(push, 0xfffe0000);
628	evo_mthd(push, 0x0084, 1);
629	evo_data(push, swap_interval);
630	if (!(swap_interval & 0x00000100)) {
631		evo_mthd(push, 0x00e0, 1);
632		evo_data(push, 0x40000000);
633	}
634	evo_mthd(push, 0x0088, 4);
635	evo_data(push, sync->addr);
636	evo_data(push, sync->data++);
637	evo_data(push, sync->data);
638	evo_data(push, sync->base.sync.handle);
639	evo_mthd(push, 0x00a0, 2);
640	evo_data(push, 0x00000000);
641	evo_data(push, 0x00000000);
642	evo_mthd(push, 0x00c0, 1);
643	evo_data(push, nv_fb->r_handle);
644	evo_mthd(push, 0x0110, 2);
645	evo_data(push, 0x00000000);
646	evo_data(push, 0x00000000);
647	if (nv50_vers(sync) < GF110_DISP_BASE_CHANNEL_DMA) {
648		evo_mthd(push, 0x0800, 5);
649		evo_data(push, nv_fb->nvbo->bo.offset >> 8);
650		evo_data(push, 0);
651		evo_data(push, (fb->height << 16) | fb->width);
652		evo_data(push, nv_fb->r_pitch);
653		evo_data(push, nv_fb->r_format);
654	} else {
655		evo_mthd(push, 0x0400, 5);
656		evo_data(push, nv_fb->nvbo->bo.offset >> 8);
657		evo_data(push, 0);
658		evo_data(push, (fb->height << 16) | fb->width);
659		evo_data(push, nv_fb->r_pitch);
660		evo_data(push, nv_fb->r_format);
661	}
662	evo_mthd(push, 0x0080, 1);
663	evo_data(push, 0x00000000);
664	evo_kick(push, sync);
665
666	nouveau_bo_ref(nv_fb->nvbo, &head->image);
667	return 0;
668}
669
670/******************************************************************************
671 * CRTC
672 *****************************************************************************/
673static int
674nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
675{
676	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
677	struct nouveau_connector *nv_connector;
678	struct drm_connector *connector;
679	u32 *push, mode = 0x00;
680
681	nv_connector = nouveau_crtc_connector_get(nv_crtc);
682	connector = &nv_connector->base;
683	if (nv_connector->dithering_mode == DITHERING_MODE_AUTO) {
684		if (nv_crtc->base.primary->fb->depth > connector->display_info.bpc * 3)
685			mode = DITHERING_MODE_DYNAMIC2X2;
686	} else {
687		mode = nv_connector->dithering_mode;
688	}
689
690	if (nv_connector->dithering_depth == DITHERING_DEPTH_AUTO) {
691		if (connector->display_info.bpc >= 8)
692			mode |= DITHERING_DEPTH_8BPC;
693	} else {
694		mode |= nv_connector->dithering_depth;
695	}
696
697	push = evo_wait(mast, 4);
698	if (push) {
699		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
700			evo_mthd(push, 0x08a0 + (nv_crtc->index * 0x0400), 1);
701			evo_data(push, mode);
702		} else
703		if (nv50_vers(mast) < GK104_DISP_CORE_CHANNEL_DMA) {
704			evo_mthd(push, 0x0490 + (nv_crtc->index * 0x0300), 1);
705			evo_data(push, mode);
706		} else {
707			evo_mthd(push, 0x04a0 + (nv_crtc->index * 0x0300), 1);
708			evo_data(push, mode);
709		}
710
711		if (update) {
712			evo_mthd(push, 0x0080, 1);
713			evo_data(push, 0x00000000);
714		}
715		evo_kick(push, mast);
716	}
717
718	return 0;
719}
720
721static int
722nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
723{
724	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
725	struct drm_display_mode *omode, *umode = &nv_crtc->base.mode;
726	struct drm_crtc *crtc = &nv_crtc->base;
727	struct nouveau_connector *nv_connector;
728	int mode = DRM_MODE_SCALE_NONE;
729	u32 oX, oY, *push;
730
731	/* start off at the resolution we programmed the crtc for, this
732	 * effectively handles NONE/FULL scaling
733	 */
734	nv_connector = nouveau_crtc_connector_get(nv_crtc);
735	if (nv_connector && nv_connector->native_mode) {
736		mode = nv_connector->scaling_mode;
737		if (nv_connector->scaling_full) /* non-EDID LVDS/eDP mode */
738			mode = DRM_MODE_SCALE_FULLSCREEN;
739	}
740
741	if (mode != DRM_MODE_SCALE_NONE)
742		omode = nv_connector->native_mode;
743	else
744		omode = umode;
745
746	oX = omode->hdisplay;
747	oY = omode->vdisplay;
748	if (omode->flags & DRM_MODE_FLAG_DBLSCAN)
749		oY *= 2;
750
751	/* add overscan compensation if necessary, will keep the aspect
752	 * ratio the same as the backend mode unless overridden by the
753	 * user setting both hborder and vborder properties.
754	 */
755	if (nv_connector && ( nv_connector->underscan == UNDERSCAN_ON ||
756			     (nv_connector->underscan == UNDERSCAN_AUTO &&
757			      nv_connector->edid &&
758			      drm_detect_hdmi_monitor(nv_connector->edid)))) {
759		u32 bX = nv_connector->underscan_hborder;
760		u32 bY = nv_connector->underscan_vborder;
761		u32 aspect = (oY << 19) / oX;
762
763		if (bX) {
764			oX -= (bX * 2);
765			if (bY) oY -= (bY * 2);
766			else    oY  = ((oX * aspect) + (aspect / 2)) >> 19;
767		} else {
768			oX -= (oX >> 4) + 32;
769			if (bY) oY -= (bY * 2);
770			else    oY  = ((oX * aspect) + (aspect / 2)) >> 19;
771		}
772	}
773
774	/* handle CENTER/ASPECT scaling, taking into account the areas
775	 * removed already for overscan compensation
776	 */
777	switch (mode) {
778	case DRM_MODE_SCALE_CENTER:
779		oX = min((u32)umode->hdisplay, oX);
780		oY = min((u32)umode->vdisplay, oY);
781		/* fall-through */
782	case DRM_MODE_SCALE_ASPECT:
783		if (oY < oX) {
784			u32 aspect = (umode->hdisplay << 19) / umode->vdisplay;
785			oX = ((oY * aspect) + (aspect / 2)) >> 19;
786		} else {
787			u32 aspect = (umode->vdisplay << 19) / umode->hdisplay;
788			oY = ((oX * aspect) + (aspect / 2)) >> 19;
789		}
790		break;
791	default:
792		break;
793	}
794
795	push = evo_wait(mast, 8);
796	if (push) {
797		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
798			/*XXX: SCALE_CTRL_ACTIVE??? */
799			evo_mthd(push, 0x08d8 + (nv_crtc->index * 0x400), 2);
800			evo_data(push, (oY << 16) | oX);
801			evo_data(push, (oY << 16) | oX);
802			evo_mthd(push, 0x08a4 + (nv_crtc->index * 0x400), 1);
803			evo_data(push, 0x00000000);
804			evo_mthd(push, 0x08c8 + (nv_crtc->index * 0x400), 1);
805			evo_data(push, umode->vdisplay << 16 | umode->hdisplay);
806		} else {
807			evo_mthd(push, 0x04c0 + (nv_crtc->index * 0x300), 3);
808			evo_data(push, (oY << 16) | oX);
809			evo_data(push, (oY << 16) | oX);
810			evo_data(push, (oY << 16) | oX);
811			evo_mthd(push, 0x0494 + (nv_crtc->index * 0x300), 1);
812			evo_data(push, 0x00000000);
813			evo_mthd(push, 0x04b8 + (nv_crtc->index * 0x300), 1);
814			evo_data(push, umode->vdisplay << 16 | umode->hdisplay);
815		}
816
817		evo_kick(push, mast);
818
819		if (update) {
820			nv50_display_flip_stop(crtc);
821			nv50_display_flip_next(crtc, crtc->primary->fb,
822					       NULL, 1);
823		}
824	}
825
826	return 0;
827}
828
829static int
830nv50_crtc_set_raster_vblank_dmi(struct nouveau_crtc *nv_crtc, u32 usec)
831{
832	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
833	u32 *push;
834
835	push = evo_wait(mast, 8);
836	if (!push)
837		return -ENOMEM;
838
839	evo_mthd(push, 0x0828 + (nv_crtc->index * 0x400), 1);
840	evo_data(push, usec);
841	evo_kick(push, mast);
842	return 0;
843}
844
845static int
846nv50_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update)
847{
848	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
849	u32 *push, hue, vib;
850	int adj;
851
852	adj = (nv_crtc->color_vibrance > 0) ? 50 : 0;
853	vib = ((nv_crtc->color_vibrance * 2047 + adj) / 100) & 0xfff;
854	hue = ((nv_crtc->vibrant_hue * 2047) / 100) & 0xfff;
855
856	push = evo_wait(mast, 16);
857	if (push) {
858		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
859			evo_mthd(push, 0x08a8 + (nv_crtc->index * 0x400), 1);
860			evo_data(push, (hue << 20) | (vib << 8));
861		} else {
862			evo_mthd(push, 0x0498 + (nv_crtc->index * 0x300), 1);
863			evo_data(push, (hue << 20) | (vib << 8));
864		}
865
866		if (update) {
867			evo_mthd(push, 0x0080, 1);
868			evo_data(push, 0x00000000);
869		}
870		evo_kick(push, mast);
871	}
872
873	return 0;
874}
875
876static int
877nv50_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
878		    int x, int y, bool update)
879{
880	struct nouveau_framebuffer *nvfb = nouveau_framebuffer(fb);
881	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
882	u32 *push;
883
884	push = evo_wait(mast, 16);
885	if (push) {
886		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
887			evo_mthd(push, 0x0860 + (nv_crtc->index * 0x400), 1);
888			evo_data(push, nvfb->nvbo->bo.offset >> 8);
889			evo_mthd(push, 0x0868 + (nv_crtc->index * 0x400), 3);
890			evo_data(push, (fb->height << 16) | fb->width);
891			evo_data(push, nvfb->r_pitch);
892			evo_data(push, nvfb->r_format);
893			evo_mthd(push, 0x08c0 + (nv_crtc->index * 0x400), 1);
894			evo_data(push, (y << 16) | x);
895			if (nv50_vers(mast) > NV50_DISP_CORE_CHANNEL_DMA) {
896				evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
897				evo_data(push, nvfb->r_handle);
898			}
899		} else {
900			evo_mthd(push, 0x0460 + (nv_crtc->index * 0x300), 1);
901			evo_data(push, nvfb->nvbo->bo.offset >> 8);
902			evo_mthd(push, 0x0468 + (nv_crtc->index * 0x300), 4);
903			evo_data(push, (fb->height << 16) | fb->width);
904			evo_data(push, nvfb->r_pitch);
905			evo_data(push, nvfb->r_format);
906			evo_data(push, nvfb->r_handle);
907			evo_mthd(push, 0x04b0 + (nv_crtc->index * 0x300), 1);
908			evo_data(push, (y << 16) | x);
909		}
910
911		if (update) {
912			evo_mthd(push, 0x0080, 1);
913			evo_data(push, 0x00000000);
914		}
915		evo_kick(push, mast);
916	}
917
918	nv_crtc->fb.handle = nvfb->r_handle;
919	return 0;
920}
921
922static void
923nv50_crtc_cursor_show(struct nouveau_crtc *nv_crtc)
924{
925	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
926	u32 *push = evo_wait(mast, 16);
927	if (push) {
928		if (nv50_vers(mast) < G82_DISP_CORE_CHANNEL_DMA) {
929			evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 2);
930			evo_data(push, 0x85000000);
931			evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
932		} else
933		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
934			evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 2);
935			evo_data(push, 0x85000000);
936			evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
937			evo_mthd(push, 0x089c + (nv_crtc->index * 0x400), 1);
938			evo_data(push, mast->base.vram.handle);
939		} else {
940			evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 2);
941			evo_data(push, 0x85000000);
942			evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
943			evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
944			evo_data(push, mast->base.vram.handle);
945		}
946		evo_kick(push, mast);
947	}
948	nv_crtc->cursor.visible = true;
949}
950
951static void
952nv50_crtc_cursor_hide(struct nouveau_crtc *nv_crtc)
953{
954	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
955	u32 *push = evo_wait(mast, 16);
956	if (push) {
957		if (nv50_vers(mast) < G82_DISP_CORE_CHANNEL_DMA) {
958			evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 1);
959			evo_data(push, 0x05000000);
960		} else
961		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
962			evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 1);
963			evo_data(push, 0x05000000);
964			evo_mthd(push, 0x089c + (nv_crtc->index * 0x400), 1);
965			evo_data(push, 0x00000000);
966		} else {
967			evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 1);
968			evo_data(push, 0x05000000);
969			evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
970			evo_data(push, 0x00000000);
971		}
972		evo_kick(push, mast);
973	}
974	nv_crtc->cursor.visible = false;
975}
976
977static void
978nv50_crtc_cursor_show_hide(struct nouveau_crtc *nv_crtc, bool show, bool update)
979{
980	struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
981
982	if (show && nv_crtc->cursor.nvbo && nv_crtc->base.enabled)
983		nv50_crtc_cursor_show(nv_crtc);
984	else
985		nv50_crtc_cursor_hide(nv_crtc);
986
987	if (update) {
988		u32 *push = evo_wait(mast, 2);
989		if (push) {
990			evo_mthd(push, 0x0080, 1);
991			evo_data(push, 0x00000000);
992			evo_kick(push, mast);
993		}
994	}
995}
996
997static void
998nv50_crtc_dpms(struct drm_crtc *crtc, int mode)
999{
1000}
1001
1002static void
1003nv50_crtc_prepare(struct drm_crtc *crtc)
1004{
1005	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1006	struct nv50_mast *mast = nv50_mast(crtc->dev);
1007	u32 *push;
1008
1009	nv50_display_flip_stop(crtc);
1010
1011	push = evo_wait(mast, 6);
1012	if (push) {
1013		if (nv50_vers(mast) < G82_DISP_CORE_CHANNEL_DMA) {
1014			evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1015			evo_data(push, 0x00000000);
1016			evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 1);
1017			evo_data(push, 0x40000000);
1018		} else
1019		if (nv50_vers(mast) <  GF110_DISP_CORE_CHANNEL_DMA) {
1020			evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1021			evo_data(push, 0x00000000);
1022			evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 1);
1023			evo_data(push, 0x40000000);
1024			evo_mthd(push, 0x085c + (nv_crtc->index * 0x400), 1);
1025			evo_data(push, 0x00000000);
1026		} else {
1027			evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
1028			evo_data(push, 0x00000000);
1029			evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 1);
1030			evo_data(push, 0x03000000);
1031			evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
1032			evo_data(push, 0x00000000);
1033		}
1034
1035		evo_kick(push, mast);
1036	}
1037
1038	nv50_crtc_cursor_show_hide(nv_crtc, false, false);
1039}
1040
1041static void
1042nv50_crtc_commit(struct drm_crtc *crtc)
1043{
1044	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1045	struct nv50_mast *mast = nv50_mast(crtc->dev);
1046	u32 *push;
1047
1048	push = evo_wait(mast, 32);
1049	if (push) {
1050		if (nv50_vers(mast) < G82_DISP_CORE_CHANNEL_DMA) {
1051			evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1052			evo_data(push, nv_crtc->fb.handle);
1053			evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 2);
1054			evo_data(push, 0xc0000000);
1055			evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
1056		} else
1057		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1058			evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1059			evo_data(push, nv_crtc->fb.handle);
1060			evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 2);
1061			evo_data(push, 0xc0000000);
1062			evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
1063			evo_mthd(push, 0x085c + (nv_crtc->index * 0x400), 1);
1064			evo_data(push, mast->base.vram.handle);
1065		} else {
1066			evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
1067			evo_data(push, nv_crtc->fb.handle);
1068			evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 4);
1069			evo_data(push, 0x83000000);
1070			evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
1071			evo_data(push, 0x00000000);
1072			evo_data(push, 0x00000000);
1073			evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
1074			evo_data(push, mast->base.vram.handle);
1075			evo_mthd(push, 0x0430 + (nv_crtc->index * 0x300), 1);
1076			evo_data(push, 0xffffff00);
1077		}
1078
1079		evo_kick(push, mast);
1080	}
1081
1082	nv50_crtc_cursor_show_hide(nv_crtc, true, true);
1083	nv50_display_flip_next(crtc, crtc->primary->fb, NULL, 1);
1084}
1085
1086static bool
1087nv50_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode,
1088		     struct drm_display_mode *adjusted_mode)
1089{
1090	drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
1091	return true;
1092}
1093
1094static int
1095nv50_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb)
1096{
1097	struct nouveau_framebuffer *nvfb = nouveau_framebuffer(crtc->primary->fb);
1098	struct nv50_head *head = nv50_head(crtc);
1099	int ret;
1100
1101	ret = nouveau_bo_pin(nvfb->nvbo, TTM_PL_FLAG_VRAM, true);
1102	if (ret == 0) {
1103		if (head->image)
1104			nouveau_bo_unpin(head->image);
1105		nouveau_bo_ref(nvfb->nvbo, &head->image);
1106	}
1107
1108	return ret;
1109}
1110
1111static int
1112nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
1113		   struct drm_display_mode *mode, int x, int y,
1114		   struct drm_framebuffer *old_fb)
1115{
1116	struct nv50_mast *mast = nv50_mast(crtc->dev);
1117	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1118	struct nouveau_connector *nv_connector;
1119	u32 ilace = (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 1;
1120	u32 vscan = (mode->flags & DRM_MODE_FLAG_DBLSCAN) ? 2 : 1;
1121	u32 hactive, hsynce, hbackp, hfrontp, hblanke, hblanks;
1122	u32 vactive, vsynce, vbackp, vfrontp, vblanke, vblanks;
1123	u32 vblan2e = 0, vblan2s = 1, vblankus = 0;
1124	u32 *push;
1125	int ret;
1126
1127	hactive = mode->htotal;
1128	hsynce  = mode->hsync_end - mode->hsync_start - 1;
1129	hbackp  = mode->htotal - mode->hsync_end;
1130	hblanke = hsynce + hbackp;
1131	hfrontp = mode->hsync_start - mode->hdisplay;
1132	hblanks = mode->htotal - hfrontp - 1;
1133
1134	vactive = mode->vtotal * vscan / ilace;
1135	vsynce  = ((mode->vsync_end - mode->vsync_start) * vscan / ilace) - 1;
1136	vbackp  = (mode->vtotal - mode->vsync_end) * vscan / ilace;
1137	vblanke = vsynce + vbackp;
1138	vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace;
1139	vblanks = vactive - vfrontp - 1;
1140	/* XXX: Safe underestimate, even "0" works */
1141	vblankus = (vactive - mode->vdisplay - 2) * hactive;
1142	vblankus *= 1000;
1143	vblankus /= mode->clock;
1144
1145	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1146		vblan2e = vactive + vsynce + vbackp;
1147		vblan2s = vblan2e + (mode->vdisplay * vscan / ilace);
1148		vactive = (vactive * 2) + 1;
1149	}
1150
1151	ret = nv50_crtc_swap_fbs(crtc, old_fb);
1152	if (ret)
1153		return ret;
1154
1155	push = evo_wait(mast, 64);
1156	if (push) {
1157		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1158			evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2);
1159			evo_data(push, 0x00800000 | mode->clock);
1160			evo_data(push, (ilace == 2) ? 2 : 0);
1161			evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6);
1162			evo_data(push, 0x00000000);
1163			evo_data(push, (vactive << 16) | hactive);
1164			evo_data(push, ( vsynce << 16) | hsynce);
1165			evo_data(push, (vblanke << 16) | hblanke);
1166			evo_data(push, (vblanks << 16) | hblanks);
1167			evo_data(push, (vblan2e << 16) | vblan2s);
1168			evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1);
1169			evo_data(push, 0x00000000);
1170			evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2);
1171			evo_data(push, 0x00000311);
1172			evo_data(push, 0x00000100);
1173		} else {
1174			evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 6);
1175			evo_data(push, 0x00000000);
1176			evo_data(push, (vactive << 16) | hactive);
1177			evo_data(push, ( vsynce << 16) | hsynce);
1178			evo_data(push, (vblanke << 16) | hblanke);
1179			evo_data(push, (vblanks << 16) | hblanks);
1180			evo_data(push, (vblan2e << 16) | vblan2s);
1181			evo_mthd(push, 0x042c + (nv_crtc->index * 0x300), 1);
1182			evo_data(push, 0x00000000); /* ??? */
1183			evo_mthd(push, 0x0450 + (nv_crtc->index * 0x300), 3);
1184			evo_data(push, mode->clock * 1000);
1185			evo_data(push, 0x00200000); /* ??? */
1186			evo_data(push, mode->clock * 1000);
1187			evo_mthd(push, 0x04d0 + (nv_crtc->index * 0x300), 2);
1188			evo_data(push, 0x00000311);
1189			evo_data(push, 0x00000100);
1190		}
1191
1192		evo_kick(push, mast);
1193	}
1194
1195	nv_connector = nouveau_crtc_connector_get(nv_crtc);
1196	nv50_crtc_set_dither(nv_crtc, false);
1197	nv50_crtc_set_scale(nv_crtc, false);
1198
1199	/* G94 only accepts this after setting scale */
1200	if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA)
1201		nv50_crtc_set_raster_vblank_dmi(nv_crtc, vblankus);
1202
1203	nv50_crtc_set_color_vibrance(nv_crtc, false);
1204	nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, false);
1205	return 0;
1206}
1207
1208static int
1209nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
1210			struct drm_framebuffer *old_fb)
1211{
1212	struct nouveau_drm *drm = nouveau_drm(crtc->dev);
1213	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1214	int ret;
1215
1216	if (!crtc->primary->fb) {
1217		NV_DEBUG(drm, "No FB bound\n");
1218		return 0;
1219	}
1220
1221	ret = nv50_crtc_swap_fbs(crtc, old_fb);
1222	if (ret)
1223		return ret;
1224
1225	nv50_display_flip_stop(crtc);
1226	nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, true);
1227	nv50_display_flip_next(crtc, crtc->primary->fb, NULL, 1);
1228	return 0;
1229}
1230
1231static int
1232nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
1233			       struct drm_framebuffer *fb, int x, int y,
1234			       enum mode_set_atomic state)
1235{
1236	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1237	nv50_display_flip_stop(crtc);
1238	nv50_crtc_set_image(nv_crtc, fb, x, y, true);
1239	return 0;
1240}
1241
1242static void
1243nv50_crtc_lut_load(struct drm_crtc *crtc)
1244{
1245	struct nv50_disp *disp = nv50_disp(crtc->dev);
1246	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1247	void __iomem *lut = nvbo_kmap_obj_iovirtual(nv_crtc->lut.nvbo);
1248	int i;
1249
1250	for (i = 0; i < 256; i++) {
1251		u16 r = nv_crtc->lut.r[i] >> 2;
1252		u16 g = nv_crtc->lut.g[i] >> 2;
1253		u16 b = nv_crtc->lut.b[i] >> 2;
1254
1255		if (disp->disp->oclass < GF110_DISP) {
1256			writew(r + 0x0000, lut + (i * 0x08) + 0);
1257			writew(g + 0x0000, lut + (i * 0x08) + 2);
1258			writew(b + 0x0000, lut + (i * 0x08) + 4);
1259		} else {
1260			writew(r + 0x6000, lut + (i * 0x20) + 0);
1261			writew(g + 0x6000, lut + (i * 0x20) + 2);
1262			writew(b + 0x6000, lut + (i * 0x20) + 4);
1263		}
1264	}
1265}
1266
1267static void
1268nv50_crtc_disable(struct drm_crtc *crtc)
1269{
1270	struct nv50_head *head = nv50_head(crtc);
1271	evo_sync(crtc->dev);
1272	if (head->image)
1273		nouveau_bo_unpin(head->image);
1274	nouveau_bo_ref(NULL, &head->image);
1275}
1276
1277static int
1278nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
1279		     uint32_t handle, uint32_t width, uint32_t height)
1280{
1281	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1282	struct drm_device *dev = crtc->dev;
1283	struct drm_gem_object *gem = NULL;
1284	struct nouveau_bo *nvbo = NULL;
1285	int ret = 0;
1286
1287	if (handle) {
1288		if (width != 64 || height != 64)
1289			return -EINVAL;
1290
1291		gem = drm_gem_object_lookup(dev, file_priv, handle);
1292		if (unlikely(!gem))
1293			return -ENOENT;
1294		nvbo = nouveau_gem_object(gem);
1295
1296		ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM, true);
1297	}
1298
1299	if (ret == 0) {
1300		if (nv_crtc->cursor.nvbo)
1301			nouveau_bo_unpin(nv_crtc->cursor.nvbo);
1302		nouveau_bo_ref(nvbo, &nv_crtc->cursor.nvbo);
1303	}
1304	drm_gem_object_unreference_unlocked(gem);
1305
1306	nv50_crtc_cursor_show_hide(nv_crtc, true, true);
1307	return ret;
1308}
1309
1310static int
1311nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
1312{
1313	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1314	struct nv50_curs *curs = nv50_curs(crtc);
1315	struct nv50_chan *chan = nv50_chan(curs);
1316	nvif_wr32(&chan->user, 0x0084, (y << 16) | (x & 0xffff));
1317	nvif_wr32(&chan->user, 0x0080, 0x00000000);
1318
1319	nv_crtc->cursor_saved_x = x;
1320	nv_crtc->cursor_saved_y = y;
1321	return 0;
1322}
1323
1324static void
1325nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
1326		    uint32_t start, uint32_t size)
1327{
1328	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1329	u32 end = min_t(u32, start + size, 256);
1330	u32 i;
1331
1332	for (i = start; i < end; i++) {
1333		nv_crtc->lut.r[i] = r[i];
1334		nv_crtc->lut.g[i] = g[i];
1335		nv_crtc->lut.b[i] = b[i];
1336	}
1337
1338	nv50_crtc_lut_load(crtc);
1339}
1340
1341static void
1342nv50_crtc_cursor_restore(struct nouveau_crtc *nv_crtc, int x, int y)
1343{
1344	nv50_crtc_cursor_move(&nv_crtc->base, x, y);
1345
1346	nv50_crtc_cursor_show_hide(nv_crtc, true, true);
1347}
1348
1349static void
1350nv50_crtc_destroy(struct drm_crtc *crtc)
1351{
1352	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1353	struct nv50_disp *disp = nv50_disp(crtc->dev);
1354	struct nv50_head *head = nv50_head(crtc);
1355	struct nv50_fbdma *fbdma;
1356
1357	list_for_each_entry(fbdma, &disp->fbdma, head) {
1358		nvif_object_fini(&fbdma->base[nv_crtc->index]);
1359	}
1360
1361	nv50_dmac_destroy(&head->ovly.base, disp->disp);
1362	nv50_pioc_destroy(&head->oimm.base);
1363	nv50_dmac_destroy(&head->sync.base, disp->disp);
1364	nv50_pioc_destroy(&head->curs.base);
1365
1366	/*XXX: this shouldn't be necessary, but the core doesn't call
1367	 *     disconnect() during the cleanup paths
1368	 */
1369	if (head->image)
1370		nouveau_bo_unpin(head->image);
1371	nouveau_bo_ref(NULL, &head->image);
1372
1373	/*XXX: ditto */
1374	if (nv_crtc->cursor.nvbo)
1375		nouveau_bo_unpin(nv_crtc->cursor.nvbo);
1376	nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
1377
1378	nouveau_bo_unmap(nv_crtc->lut.nvbo);
1379	if (nv_crtc->lut.nvbo)
1380		nouveau_bo_unpin(nv_crtc->lut.nvbo);
1381	nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
1382
1383	drm_crtc_cleanup(crtc);
1384	kfree(crtc);
1385}
1386
1387static const struct drm_crtc_helper_funcs nv50_crtc_hfunc = {
1388	.dpms = nv50_crtc_dpms,
1389	.prepare = nv50_crtc_prepare,
1390	.commit = nv50_crtc_commit,
1391	.mode_fixup = nv50_crtc_mode_fixup,
1392	.mode_set = nv50_crtc_mode_set,
1393	.mode_set_base = nv50_crtc_mode_set_base,
1394	.mode_set_base_atomic = nv50_crtc_mode_set_base_atomic,
1395	.load_lut = nv50_crtc_lut_load,
1396	.disable = nv50_crtc_disable,
1397};
1398
1399static const struct drm_crtc_funcs nv50_crtc_func = {
1400	.cursor_set = nv50_crtc_cursor_set,
1401	.cursor_move = nv50_crtc_cursor_move,
1402	.gamma_set = nv50_crtc_gamma_set,
1403	.set_config = nouveau_crtc_set_config,
1404	.destroy = nv50_crtc_destroy,
1405	.page_flip = nouveau_crtc_page_flip,
1406};
1407
1408static int
1409nv50_crtc_create(struct drm_device *dev, int index)
1410{
1411	struct nv50_disp *disp = nv50_disp(dev);
1412	struct nv50_head *head;
1413	struct drm_crtc *crtc;
1414	int ret, i;
1415
1416	head = kzalloc(sizeof(*head), GFP_KERNEL);
1417	if (!head)
1418		return -ENOMEM;
1419
1420	head->base.index = index;
1421	head->base.set_dither = nv50_crtc_set_dither;
1422	head->base.set_scale = nv50_crtc_set_scale;
1423	head->base.set_color_vibrance = nv50_crtc_set_color_vibrance;
1424	head->base.color_vibrance = 50;
1425	head->base.vibrant_hue = 0;
1426	head->base.cursor.set_pos = nv50_crtc_cursor_restore;
1427	for (i = 0; i < 256; i++) {
1428		head->base.lut.r[i] = i << 8;
1429		head->base.lut.g[i] = i << 8;
1430		head->base.lut.b[i] = i << 8;
1431	}
1432
1433	crtc = &head->base.base;
1434	drm_crtc_init(dev, crtc, &nv50_crtc_func);
1435	drm_crtc_helper_add(crtc, &nv50_crtc_hfunc);
1436	drm_mode_crtc_set_gamma_size(crtc, 256);
1437
1438	ret = nouveau_bo_new(dev, 8192, 0x100, TTM_PL_FLAG_VRAM,
1439			     0, 0x0000, NULL, NULL, &head->base.lut.nvbo);
1440	if (!ret) {
1441		ret = nouveau_bo_pin(head->base.lut.nvbo, TTM_PL_FLAG_VRAM, true);
1442		if (!ret) {
1443			ret = nouveau_bo_map(head->base.lut.nvbo);
1444			if (ret)
1445				nouveau_bo_unpin(head->base.lut.nvbo);
1446		}
1447		if (ret)
1448			nouveau_bo_ref(NULL, &head->base.lut.nvbo);
1449	}
1450
1451	if (ret)
1452		goto out;
1453
1454	/* allocate cursor resources */
1455	ret = nv50_curs_create(disp->disp, index, &head->curs);
1456	if (ret)
1457		goto out;
1458
1459	/* allocate page flip / sync resources */
1460	ret = nv50_base_create(disp->disp, index, disp->sync->bo.offset,
1461			      &head->sync);
1462	if (ret)
1463		goto out;
1464
1465	head->sync.addr = EVO_FLIP_SEM0(index);
1466	head->sync.data = 0x00000000;
1467
1468	/* allocate overlay resources */
1469	ret = nv50_oimm_create(disp->disp, index, &head->oimm);
1470	if (ret)
1471		goto out;
1472
1473	ret = nv50_ovly_create(disp->disp, index, disp->sync->bo.offset,
1474			      &head->ovly);
1475	if (ret)
1476		goto out;
1477
1478out:
1479	if (ret)
1480		nv50_crtc_destroy(crtc);
1481	return ret;
1482}
1483
1484/******************************************************************************
1485 * Encoder helpers
1486 *****************************************************************************/
1487static bool
1488nv50_encoder_mode_fixup(struct drm_encoder *encoder,
1489			const struct drm_display_mode *mode,
1490			struct drm_display_mode *adjusted_mode)
1491{
1492	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1493	struct nouveau_connector *nv_connector;
1494
1495	nv_connector = nouveau_encoder_connector_get(nv_encoder);
1496	if (nv_connector && nv_connector->native_mode) {
1497		nv_connector->scaling_full = false;
1498		if (nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) {
1499			switch (nv_connector->type) {
1500			case DCB_CONNECTOR_LVDS:
1501			case DCB_CONNECTOR_LVDS_SPWG:
1502			case DCB_CONNECTOR_eDP:
1503				/* force use of scaler for non-edid modes */
1504				if (adjusted_mode->type & DRM_MODE_TYPE_DRIVER)
1505					return true;
1506				nv_connector->scaling_full = true;
1507				break;
1508			default:
1509				return true;
1510			}
1511		}
1512
1513		drm_mode_copy(adjusted_mode, nv_connector->native_mode);
1514	}
1515
1516	return true;
1517}
1518
1519/******************************************************************************
1520 * DAC
1521 *****************************************************************************/
1522static void
1523nv50_dac_dpms(struct drm_encoder *encoder, int mode)
1524{
1525	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1526	struct nv50_disp *disp = nv50_disp(encoder->dev);
1527	struct {
1528		struct nv50_disp_mthd_v1 base;
1529		struct nv50_disp_dac_pwr_v0 pwr;
1530	} args = {
1531		.base.version = 1,
1532		.base.method = NV50_DISP_MTHD_V1_DAC_PWR,
1533		.base.hasht  = nv_encoder->dcb->hasht,
1534		.base.hashm  = nv_encoder->dcb->hashm,
1535		.pwr.state = 1,
1536		.pwr.data  = 1,
1537		.pwr.vsync = (mode != DRM_MODE_DPMS_SUSPEND &&
1538			      mode != DRM_MODE_DPMS_OFF),
1539		.pwr.hsync = (mode != DRM_MODE_DPMS_STANDBY &&
1540			      mode != DRM_MODE_DPMS_OFF),
1541	};
1542
1543	nvif_mthd(disp->disp, 0, &args, sizeof(args));
1544}
1545
1546static void
1547nv50_dac_commit(struct drm_encoder *encoder)
1548{
1549}
1550
1551static void
1552nv50_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
1553		  struct drm_display_mode *adjusted_mode)
1554{
1555	struct nv50_mast *mast = nv50_mast(encoder->dev);
1556	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1557	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1558	u32 *push;
1559
1560	nv50_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1561
1562	push = evo_wait(mast, 8);
1563	if (push) {
1564		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1565			u32 syncs = 0x00000000;
1566
1567			if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1568				syncs |= 0x00000001;
1569			if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1570				syncs |= 0x00000002;
1571
1572			evo_mthd(push, 0x0400 + (nv_encoder->or * 0x080), 2);
1573			evo_data(push, 1 << nv_crtc->index);
1574			evo_data(push, syncs);
1575		} else {
1576			u32 magic = 0x31ec6000 | (nv_crtc->index << 25);
1577			u32 syncs = 0x00000001;
1578
1579			if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1580				syncs |= 0x00000008;
1581			if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1582				syncs |= 0x00000010;
1583
1584			if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1585				magic |= 0x00000001;
1586
1587			evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
1588			evo_data(push, syncs);
1589			evo_data(push, magic);
1590			evo_mthd(push, 0x0180 + (nv_encoder->or * 0x020), 1);
1591			evo_data(push, 1 << nv_crtc->index);
1592		}
1593
1594		evo_kick(push, mast);
1595	}
1596
1597	nv_encoder->crtc = encoder->crtc;
1598}
1599
1600static void
1601nv50_dac_disconnect(struct drm_encoder *encoder)
1602{
1603	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1604	struct nv50_mast *mast = nv50_mast(encoder->dev);
1605	const int or = nv_encoder->or;
1606	u32 *push;
1607
1608	if (nv_encoder->crtc) {
1609		nv50_crtc_prepare(nv_encoder->crtc);
1610
1611		push = evo_wait(mast, 4);
1612		if (push) {
1613			if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1614				evo_mthd(push, 0x0400 + (or * 0x080), 1);
1615				evo_data(push, 0x00000000);
1616			} else {
1617				evo_mthd(push, 0x0180 + (or * 0x020), 1);
1618				evo_data(push, 0x00000000);
1619			}
1620			evo_kick(push, mast);
1621		}
1622	}
1623
1624	nv_encoder->crtc = NULL;
1625}
1626
1627static enum drm_connector_status
1628nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
1629{
1630	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1631	struct nv50_disp *disp = nv50_disp(encoder->dev);
1632	struct {
1633		struct nv50_disp_mthd_v1 base;
1634		struct nv50_disp_dac_load_v0 load;
1635	} args = {
1636		.base.version = 1,
1637		.base.method = NV50_DISP_MTHD_V1_DAC_LOAD,
1638		.base.hasht  = nv_encoder->dcb->hasht,
1639		.base.hashm  = nv_encoder->dcb->hashm,
1640	};
1641	int ret;
1642
1643	args.load.data = nouveau_drm(encoder->dev)->vbios.dactestval;
1644	if (args.load.data == 0)
1645		args.load.data = 340;
1646
1647	ret = nvif_mthd(disp->disp, 0, &args, sizeof(args));
1648	if (ret || !args.load.load)
1649		return connector_status_disconnected;
1650
1651	return connector_status_connected;
1652}
1653
1654static void
1655nv50_dac_destroy(struct drm_encoder *encoder)
1656{
1657	drm_encoder_cleanup(encoder);
1658	kfree(encoder);
1659}
1660
1661static const struct drm_encoder_helper_funcs nv50_dac_hfunc = {
1662	.dpms = nv50_dac_dpms,
1663	.mode_fixup = nv50_encoder_mode_fixup,
1664	.prepare = nv50_dac_disconnect,
1665	.commit = nv50_dac_commit,
1666	.mode_set = nv50_dac_mode_set,
1667	.disable = nv50_dac_disconnect,
1668	.get_crtc = nv50_display_crtc_get,
1669	.detect = nv50_dac_detect
1670};
1671
1672static const struct drm_encoder_funcs nv50_dac_func = {
1673	.destroy = nv50_dac_destroy,
1674};
1675
1676static int
1677nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe)
1678{
1679	struct nouveau_drm *drm = nouveau_drm(connector->dev);
1680	struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
1681	struct nouveau_encoder *nv_encoder;
1682	struct drm_encoder *encoder;
1683	int type = DRM_MODE_ENCODER_DAC;
1684
1685	nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
1686	if (!nv_encoder)
1687		return -ENOMEM;
1688	nv_encoder->dcb = dcbe;
1689	nv_encoder->or = ffs(dcbe->or) - 1;
1690	nv_encoder->i2c = i2c->find(i2c, dcbe->i2c_index);
1691
1692	encoder = to_drm_encoder(nv_encoder);
1693	encoder->possible_crtcs = dcbe->heads;
1694	encoder->possible_clones = 0;
1695	drm_encoder_init(connector->dev, encoder, &nv50_dac_func, type);
1696	drm_encoder_helper_add(encoder, &nv50_dac_hfunc);
1697
1698	drm_mode_connector_attach_encoder(connector, encoder);
1699	return 0;
1700}
1701
1702/******************************************************************************
1703 * Audio
1704 *****************************************************************************/
1705static void
1706nv50_audio_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
1707{
1708	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1709	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1710	struct nouveau_connector *nv_connector;
1711	struct nv50_disp *disp = nv50_disp(encoder->dev);
1712	struct __packed {
1713		struct {
1714			struct nv50_disp_mthd_v1 mthd;
1715			struct nv50_disp_sor_hda_eld_v0 eld;
1716		} base;
1717		u8 data[sizeof(nv_connector->base.eld)];
1718	} args = {
1719		.base.mthd.version = 1,
1720		.base.mthd.method  = NV50_DISP_MTHD_V1_SOR_HDA_ELD,
1721		.base.mthd.hasht   = nv_encoder->dcb->hasht,
1722		.base.mthd.hashm   = (0xf0ff & nv_encoder->dcb->hashm) |
1723				     (0x0100 << nv_crtc->index),
1724	};
1725
1726	nv_connector = nouveau_encoder_connector_get(nv_encoder);
1727	if (!drm_detect_monitor_audio(nv_connector->edid))
1728		return;
1729
1730	drm_edid_to_eld(&nv_connector->base, nv_connector->edid);
1731	memcpy(args.data, nv_connector->base.eld, sizeof(args.data));
1732
1733	nvif_mthd(disp->disp, 0, &args,
1734		  sizeof(args.base) + drm_eld_size(args.data));
1735}
1736
1737static void
1738nv50_audio_disconnect(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc)
1739{
1740	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1741	struct nv50_disp *disp = nv50_disp(encoder->dev);
1742	struct {
1743		struct nv50_disp_mthd_v1 base;
1744		struct nv50_disp_sor_hda_eld_v0 eld;
1745	} args = {
1746		.base.version = 1,
1747		.base.method  = NV50_DISP_MTHD_V1_SOR_HDA_ELD,
1748		.base.hasht   = nv_encoder->dcb->hasht,
1749		.base.hashm   = (0xf0ff & nv_encoder->dcb->hashm) |
1750				(0x0100 << nv_crtc->index),
1751	};
1752
1753	nvif_mthd(disp->disp, 0, &args, sizeof(args));
1754}
1755
1756/******************************************************************************
1757 * HDMI
1758 *****************************************************************************/
1759static void
1760nv50_hdmi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
1761{
1762	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1763	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1764	struct nv50_disp *disp = nv50_disp(encoder->dev);
1765	struct {
1766		struct nv50_disp_mthd_v1 base;
1767		struct nv50_disp_sor_hdmi_pwr_v0 pwr;
1768	} args = {
1769		.base.version = 1,
1770		.base.method = NV50_DISP_MTHD_V1_SOR_HDMI_PWR,
1771		.base.hasht  = nv_encoder->dcb->hasht,
1772		.base.hashm  = (0xf0ff & nv_encoder->dcb->hashm) |
1773			       (0x0100 << nv_crtc->index),
1774		.pwr.state = 1,
1775		.pwr.rekey = 56, /* binary driver, and tegra, constant */
1776	};
1777	struct nouveau_connector *nv_connector;
1778	u32 max_ac_packet;
1779
1780	nv_connector = nouveau_encoder_connector_get(nv_encoder);
1781	if (!drm_detect_hdmi_monitor(nv_connector->edid))
1782		return;
1783
1784	max_ac_packet  = mode->htotal - mode->hdisplay;
1785	max_ac_packet -= args.pwr.rekey;
1786	max_ac_packet -= 18; /* constant from tegra */
1787	args.pwr.max_ac_packet = max_ac_packet / 32;
1788
1789	nvif_mthd(disp->disp, 0, &args, sizeof(args));
1790	nv50_audio_mode_set(encoder, mode);
1791}
1792
1793static void
1794nv50_hdmi_disconnect(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc)
1795{
1796	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1797	struct nv50_disp *disp = nv50_disp(encoder->dev);
1798	struct {
1799		struct nv50_disp_mthd_v1 base;
1800		struct nv50_disp_sor_hdmi_pwr_v0 pwr;
1801	} args = {
1802		.base.version = 1,
1803		.base.method = NV50_DISP_MTHD_V1_SOR_HDMI_PWR,
1804		.base.hasht  = nv_encoder->dcb->hasht,
1805		.base.hashm  = (0xf0ff & nv_encoder->dcb->hashm) |
1806			       (0x0100 << nv_crtc->index),
1807	};
1808
1809	nvif_mthd(disp->disp, 0, &args, sizeof(args));
1810}
1811
1812/******************************************************************************
1813 * SOR
1814 *****************************************************************************/
1815static void
1816nv50_sor_dpms(struct drm_encoder *encoder, int mode)
1817{
1818	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1819	struct nv50_disp *disp = nv50_disp(encoder->dev);
1820	struct {
1821		struct nv50_disp_mthd_v1 base;
1822		struct nv50_disp_sor_pwr_v0 pwr;
1823	} args = {
1824		.base.version = 1,
1825		.base.method = NV50_DISP_MTHD_V1_SOR_PWR,
1826		.base.hasht  = nv_encoder->dcb->hasht,
1827		.base.hashm  = nv_encoder->dcb->hashm,
1828		.pwr.state = mode == DRM_MODE_DPMS_ON,
1829	};
1830	struct {
1831		struct nv50_disp_mthd_v1 base;
1832		struct nv50_disp_sor_dp_pwr_v0 pwr;
1833	} link = {
1834		.base.version = 1,
1835		.base.method = NV50_DISP_MTHD_V1_SOR_DP_PWR,
1836		.base.hasht  = nv_encoder->dcb->hasht,
1837		.base.hashm  = nv_encoder->dcb->hashm,
1838		.pwr.state = mode == DRM_MODE_DPMS_ON,
1839	};
1840	struct drm_device *dev = encoder->dev;
1841	struct drm_encoder *partner;
1842
1843	nv_encoder->last_dpms = mode;
1844
1845	list_for_each_entry(partner, &dev->mode_config.encoder_list, head) {
1846		struct nouveau_encoder *nv_partner = nouveau_encoder(partner);
1847
1848		if (partner->encoder_type != DRM_MODE_ENCODER_TMDS)
1849			continue;
1850
1851		if (nv_partner != nv_encoder &&
1852		    nv_partner->dcb->or == nv_encoder->dcb->or) {
1853			if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
1854				return;
1855			break;
1856		}
1857	}
1858
1859	if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
1860		args.pwr.state = 1;
1861		nvif_mthd(disp->disp, 0, &args, sizeof(args));
1862		nvif_mthd(disp->disp, 0, &link, sizeof(link));
1863	} else {
1864		nvif_mthd(disp->disp, 0, &args, sizeof(args));
1865	}
1866}
1867
1868static void
1869nv50_sor_ctrl(struct nouveau_encoder *nv_encoder, u32 mask, u32 data)
1870{
1871	struct nv50_mast *mast = nv50_mast(nv_encoder->base.base.dev);
1872	u32 temp = (nv_encoder->ctrl & ~mask) | (data & mask), *push;
1873	if (temp != nv_encoder->ctrl && (push = evo_wait(mast, 2))) {
1874		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
1875			evo_mthd(push, 0x0600 + (nv_encoder->or * 0x40), 1);
1876			evo_data(push, (nv_encoder->ctrl = temp));
1877		} else {
1878			evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
1879			evo_data(push, (nv_encoder->ctrl = temp));
1880		}
1881		evo_kick(push, mast);
1882	}
1883}
1884
1885static void
1886nv50_sor_disconnect(struct drm_encoder *encoder)
1887{
1888	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1889	struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc);
1890
1891	nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
1892	nv_encoder->crtc = NULL;
1893
1894	if (nv_crtc) {
1895		nv50_crtc_prepare(&nv_crtc->base);
1896		nv50_sor_ctrl(nv_encoder, 1 << nv_crtc->index, 0);
1897		nv50_audio_disconnect(encoder, nv_crtc);
1898		nv50_hdmi_disconnect(&nv_encoder->base.base, nv_crtc);
1899	}
1900}
1901
1902static void
1903nv50_sor_commit(struct drm_encoder *encoder)
1904{
1905}
1906
1907static void
1908nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
1909		  struct drm_display_mode *mode)
1910{
1911	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1912	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1913	struct {
1914		struct nv50_disp_mthd_v1 base;
1915		struct nv50_disp_sor_lvds_script_v0 lvds;
1916	} lvds = {
1917		.base.version = 1,
1918		.base.method  = NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT,
1919		.base.hasht   = nv_encoder->dcb->hasht,
1920		.base.hashm   = nv_encoder->dcb->hashm,
1921	};
1922	struct nv50_disp *disp = nv50_disp(encoder->dev);
1923	struct nv50_mast *mast = nv50_mast(encoder->dev);
1924	struct drm_device *dev = encoder->dev;
1925	struct nouveau_drm *drm = nouveau_drm(dev);
1926	struct nouveau_connector *nv_connector;
1927	struct nvbios *bios = &drm->vbios;
1928	u32 mask, ctrl;
1929	u8 owner = 1 << nv_crtc->index;
1930	u8 proto = 0xf;
1931	u8 depth = 0x0;
1932
1933	nv_connector = nouveau_encoder_connector_get(nv_encoder);
1934	nv_encoder->crtc = encoder->crtc;
1935
1936	switch (nv_encoder->dcb->type) {
1937	case DCB_OUTPUT_TMDS:
1938		if (nv_encoder->dcb->sorconf.link & 1) {
1939			if (mode->clock < 165000)
1940				proto = 0x1;
1941			else
1942				proto = 0x5;
1943		} else {
1944			proto = 0x2;
1945		}
1946
1947		nv50_hdmi_mode_set(&nv_encoder->base.base, mode);
1948		break;
1949	case DCB_OUTPUT_LVDS:
1950		proto = 0x0;
1951
1952		if (bios->fp_no_ddc) {
1953			if (bios->fp.dual_link)
1954				lvds.lvds.script |= 0x0100;
1955			if (bios->fp.if_is_24bit)
1956				lvds.lvds.script |= 0x0200;
1957		} else {
1958			if (nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) {
1959				if (((u8 *)nv_connector->edid)[121] == 2)
1960					lvds.lvds.script |= 0x0100;
1961			} else
1962			if (mode->clock >= bios->fp.duallink_transition_clk) {
1963				lvds.lvds.script |= 0x0100;
1964			}
1965
1966			if (lvds.lvds.script & 0x0100) {
1967				if (bios->fp.strapless_is_24bit & 2)
1968					lvds.lvds.script |= 0x0200;
1969			} else {
1970				if (bios->fp.strapless_is_24bit & 1)
1971					lvds.lvds.script |= 0x0200;
1972			}
1973
1974			if (nv_connector->base.display_info.bpc == 8)
1975				lvds.lvds.script |= 0x0200;
1976		}
1977
1978		nvif_mthd(disp->disp, 0, &lvds, sizeof(lvds));
1979		break;
1980	case DCB_OUTPUT_DP:
1981		if (nv_connector->base.display_info.bpc == 6) {
1982			nv_encoder->dp.datarate = mode->clock * 18 / 8;
1983			depth = 0x2;
1984		} else
1985		if (nv_connector->base.display_info.bpc == 8) {
1986			nv_encoder->dp.datarate = mode->clock * 24 / 8;
1987			depth = 0x5;
1988		} else {
1989			nv_encoder->dp.datarate = mode->clock * 30 / 8;
1990			depth = 0x6;
1991		}
1992
1993		if (nv_encoder->dcb->sorconf.link & 1)
1994			proto = 0x8;
1995		else
1996			proto = 0x9;
1997		nv50_audio_mode_set(encoder, mode);
1998		break;
1999	default:
2000		BUG_ON(1);
2001		break;
2002	}
2003
2004	nv50_sor_dpms(&nv_encoder->base.base, DRM_MODE_DPMS_ON);
2005
2006	if (nv50_vers(mast) >= GF110_DISP) {
2007		u32 *push = evo_wait(mast, 3);
2008		if (push) {
2009			u32 magic = 0x31ec6000 | (nv_crtc->index << 25);
2010			u32 syncs = 0x00000001;
2011
2012			if (mode->flags & DRM_MODE_FLAG_NHSYNC)
2013				syncs |= 0x00000008;
2014			if (mode->flags & DRM_MODE_FLAG_NVSYNC)
2015				syncs |= 0x00000010;
2016
2017			if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2018				magic |= 0x00000001;
2019
2020			evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
2021			evo_data(push, syncs | (depth << 6));
2022			evo_data(push, magic);
2023			evo_kick(push, mast);
2024		}
2025
2026		ctrl = proto << 8;
2027		mask = 0x00000f00;
2028	} else {
2029		ctrl = (depth << 16) | (proto << 8);
2030		if (mode->flags & DRM_MODE_FLAG_NHSYNC)
2031			ctrl |= 0x00001000;
2032		if (mode->flags & DRM_MODE_FLAG_NVSYNC)
2033			ctrl |= 0x00002000;
2034		mask = 0x000f3f00;
2035	}
2036
2037	nv50_sor_ctrl(nv_encoder, mask | owner, ctrl | owner);
2038}
2039
2040static void
2041nv50_sor_destroy(struct drm_encoder *encoder)
2042{
2043	drm_encoder_cleanup(encoder);
2044	kfree(encoder);
2045}
2046
2047static const struct drm_encoder_helper_funcs nv50_sor_hfunc = {
2048	.dpms = nv50_sor_dpms,
2049	.mode_fixup = nv50_encoder_mode_fixup,
2050	.prepare = nv50_sor_disconnect,
2051	.commit = nv50_sor_commit,
2052	.mode_set = nv50_sor_mode_set,
2053	.disable = nv50_sor_disconnect,
2054	.get_crtc = nv50_display_crtc_get,
2055};
2056
2057static const struct drm_encoder_funcs nv50_sor_func = {
2058	.destroy = nv50_sor_destroy,
2059};
2060
2061static int
2062nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
2063{
2064	struct nouveau_drm *drm = nouveau_drm(connector->dev);
2065	struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
2066	struct nouveau_encoder *nv_encoder;
2067	struct drm_encoder *encoder;
2068	int type;
2069
2070	switch (dcbe->type) {
2071	case DCB_OUTPUT_LVDS: type = DRM_MODE_ENCODER_LVDS; break;
2072	case DCB_OUTPUT_TMDS:
2073	case DCB_OUTPUT_DP:
2074	default:
2075		type = DRM_MODE_ENCODER_TMDS;
2076		break;
2077	}
2078
2079	nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
2080	if (!nv_encoder)
2081		return -ENOMEM;
2082	nv_encoder->dcb = dcbe;
2083	nv_encoder->or = ffs(dcbe->or) - 1;
2084	nv_encoder->i2c = i2c->find(i2c, dcbe->i2c_index);
2085	nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
2086
2087	encoder = to_drm_encoder(nv_encoder);
2088	encoder->possible_crtcs = dcbe->heads;
2089	encoder->possible_clones = 0;
2090	drm_encoder_init(connector->dev, encoder, &nv50_sor_func, type);
2091	drm_encoder_helper_add(encoder, &nv50_sor_hfunc);
2092
2093	drm_mode_connector_attach_encoder(connector, encoder);
2094	return 0;
2095}
2096
2097/******************************************************************************
2098 * PIOR
2099 *****************************************************************************/
2100
2101static void
2102nv50_pior_dpms(struct drm_encoder *encoder, int mode)
2103{
2104	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
2105	struct nv50_disp *disp = nv50_disp(encoder->dev);
2106	struct {
2107		struct nv50_disp_mthd_v1 base;
2108		struct nv50_disp_pior_pwr_v0 pwr;
2109	} args = {
2110		.base.version = 1,
2111		.base.method = NV50_DISP_MTHD_V1_PIOR_PWR,
2112		.base.hasht  = nv_encoder->dcb->hasht,
2113		.base.hashm  = nv_encoder->dcb->hashm,
2114		.pwr.state = mode == DRM_MODE_DPMS_ON,
2115		.pwr.type = nv_encoder->dcb->type,
2116	};
2117
2118	nvif_mthd(disp->disp, 0, &args, sizeof(args));
2119}
2120
2121static bool
2122nv50_pior_mode_fixup(struct drm_encoder *encoder,
2123		     const struct drm_display_mode *mode,
2124		     struct drm_display_mode *adjusted_mode)
2125{
2126	if (!nv50_encoder_mode_fixup(encoder, mode, adjusted_mode))
2127		return false;
2128	adjusted_mode->clock *= 2;
2129	return true;
2130}
2131
2132static void
2133nv50_pior_commit(struct drm_encoder *encoder)
2134{
2135}
2136
2137static void
2138nv50_pior_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
2139		   struct drm_display_mode *adjusted_mode)
2140{
2141	struct nv50_mast *mast = nv50_mast(encoder->dev);
2142	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
2143	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
2144	struct nouveau_connector *nv_connector;
2145	u8 owner = 1 << nv_crtc->index;
2146	u8 proto, depth;
2147	u32 *push;
2148
2149	nv_connector = nouveau_encoder_connector_get(nv_encoder);
2150	switch (nv_connector->base.display_info.bpc) {
2151	case 10: depth = 0x6; break;
2152	case  8: depth = 0x5; break;
2153	case  6: depth = 0x2; break;
2154	default: depth = 0x0; break;
2155	}
2156
2157	switch (nv_encoder->dcb->type) {
2158	case DCB_OUTPUT_TMDS:
2159	case DCB_OUTPUT_DP:
2160		proto = 0x0;
2161		break;
2162	default:
2163		BUG_ON(1);
2164		break;
2165	}
2166
2167	nv50_pior_dpms(encoder, DRM_MODE_DPMS_ON);
2168
2169	push = evo_wait(mast, 8);
2170	if (push) {
2171		if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
2172			u32 ctrl = (depth << 16) | (proto << 8) | owner;
2173			if (mode->flags & DRM_MODE_FLAG_NHSYNC)
2174				ctrl |= 0x00001000;
2175			if (mode->flags & DRM_MODE_FLAG_NVSYNC)
2176				ctrl |= 0x00002000;
2177			evo_mthd(push, 0x0700 + (nv_encoder->or * 0x040), 1);
2178			evo_data(push, ctrl);
2179		}
2180
2181		evo_kick(push, mast);
2182	}
2183
2184	nv_encoder->crtc = encoder->crtc;
2185}
2186
2187static void
2188nv50_pior_disconnect(struct drm_encoder *encoder)
2189{
2190	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
2191	struct nv50_mast *mast = nv50_mast(encoder->dev);
2192	const int or = nv_encoder->or;
2193	u32 *push;
2194
2195	if (nv_encoder->crtc) {
2196		nv50_crtc_prepare(nv_encoder->crtc);
2197
2198		push = evo_wait(mast, 4);
2199		if (push) {
2200			if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) {
2201				evo_mthd(push, 0x0700 + (or * 0x040), 1);
2202				evo_data(push, 0x00000000);
2203			}
2204			evo_kick(push, mast);
2205		}
2206	}
2207
2208	nv_encoder->crtc = NULL;
2209}
2210
2211static void
2212nv50_pior_destroy(struct drm_encoder *encoder)
2213{
2214	drm_encoder_cleanup(encoder);
2215	kfree(encoder);
2216}
2217
2218static const struct drm_encoder_helper_funcs nv50_pior_hfunc = {
2219	.dpms = nv50_pior_dpms,
2220	.mode_fixup = nv50_pior_mode_fixup,
2221	.prepare = nv50_pior_disconnect,
2222	.commit = nv50_pior_commit,
2223	.mode_set = nv50_pior_mode_set,
2224	.disable = nv50_pior_disconnect,
2225	.get_crtc = nv50_display_crtc_get,
2226};
2227
2228static const struct drm_encoder_funcs nv50_pior_func = {
2229	.destroy = nv50_pior_destroy,
2230};
2231
2232static int
2233nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
2234{
2235	struct nouveau_drm *drm = nouveau_drm(connector->dev);
2236	struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
2237	struct nvkm_i2c_port *ddc = NULL;
2238	struct nouveau_encoder *nv_encoder;
2239	struct drm_encoder *encoder;
2240	int type;
2241
2242	switch (dcbe->type) {
2243	case DCB_OUTPUT_TMDS:
2244		ddc  = i2c->find_type(i2c, NV_I2C_TYPE_EXTDDC(dcbe->extdev));
2245		type = DRM_MODE_ENCODER_TMDS;
2246		break;
2247	case DCB_OUTPUT_DP:
2248		ddc  = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(dcbe->extdev));
2249		type = DRM_MODE_ENCODER_TMDS;
2250		break;
2251	default:
2252		return -ENODEV;
2253	}
2254
2255	nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
2256	if (!nv_encoder)
2257		return -ENOMEM;
2258	nv_encoder->dcb = dcbe;
2259	nv_encoder->or = ffs(dcbe->or) - 1;
2260	nv_encoder->i2c = ddc;
2261
2262	encoder = to_drm_encoder(nv_encoder);
2263	encoder->possible_crtcs = dcbe->heads;
2264	encoder->possible_clones = 0;
2265	drm_encoder_init(connector->dev, encoder, &nv50_pior_func, type);
2266	drm_encoder_helper_add(encoder, &nv50_pior_hfunc);
2267
2268	drm_mode_connector_attach_encoder(connector, encoder);
2269	return 0;
2270}
2271
2272/******************************************************************************
2273 * Framebuffer
2274 *****************************************************************************/
2275
2276static void
2277nv50_fbdma_fini(struct nv50_fbdma *fbdma)
2278{
2279	int i;
2280	for (i = 0; i < ARRAY_SIZE(fbdma->base); i++)
2281		nvif_object_fini(&fbdma->base[i]);
2282	nvif_object_fini(&fbdma->core);
2283	list_del(&fbdma->head);
2284	kfree(fbdma);
2285}
2286
2287static int
2288nv50_fbdma_init(struct drm_device *dev, u32 name, u64 offset, u64 length, u8 kind)
2289{
2290	struct nouveau_drm *drm = nouveau_drm(dev);
2291	struct nv50_disp *disp = nv50_disp(dev);
2292	struct nv50_mast *mast = nv50_mast(dev);
2293	struct __attribute__ ((packed)) {
2294		struct nv_dma_v0 base;
2295		union {
2296			struct nv50_dma_v0 nv50;
2297			struct gf100_dma_v0 gf100;
2298			struct gf110_dma_v0 gf110;
2299		};
2300	} args = {};
2301	struct nv50_fbdma *fbdma;
2302	struct drm_crtc *crtc;
2303	u32 size = sizeof(args.base);
2304	int ret;
2305
2306	list_for_each_entry(fbdma, &disp->fbdma, head) {
2307		if (fbdma->core.handle == name)
2308			return 0;
2309	}
2310
2311	fbdma = kzalloc(sizeof(*fbdma), GFP_KERNEL);
2312	if (!fbdma)
2313		return -ENOMEM;
2314	list_add(&fbdma->head, &disp->fbdma);
2315
2316	args.base.target = NV_DMA_V0_TARGET_VRAM;
2317	args.base.access = NV_DMA_V0_ACCESS_RDWR;
2318	args.base.start = offset;
2319	args.base.limit = offset + length - 1;
2320
2321	if (drm->device.info.chipset < 0x80) {
2322		args.nv50.part = NV50_DMA_V0_PART_256;
2323		size += sizeof(args.nv50);
2324	} else
2325	if (drm->device.info.chipset < 0xc0) {
2326		args.nv50.part = NV50_DMA_V0_PART_256;
2327		args.nv50.kind = kind;
2328		size += sizeof(args.nv50);
2329	} else
2330	if (drm->device.info.chipset < 0xd0) {
2331		args.gf100.kind = kind;
2332		size += sizeof(args.gf100);
2333	} else {
2334		args.gf110.page = GF110_DMA_V0_PAGE_LP;
2335		args.gf110.kind = kind;
2336		size += sizeof(args.gf110);
2337	}
2338
2339	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
2340		struct nv50_head *head = nv50_head(crtc);
2341		int ret = nvif_object_init(&head->sync.base.base.user, NULL,
2342					    name, NV_DMA_IN_MEMORY, &args, size,
2343					   &fbdma->base[head->base.index]);
2344		if (ret) {
2345			nv50_fbdma_fini(fbdma);
2346			return ret;
2347		}
2348	}
2349
2350	ret = nvif_object_init(&mast->base.base.user, NULL, name,
2351				NV_DMA_IN_MEMORY, &args, size,
2352			       &fbdma->core);
2353	if (ret) {
2354		nv50_fbdma_fini(fbdma);
2355		return ret;
2356	}
2357
2358	return 0;
2359}
2360
2361static void
2362nv50_fb_dtor(struct drm_framebuffer *fb)
2363{
2364}
2365
2366static int
2367nv50_fb_ctor(struct drm_framebuffer *fb)
2368{
2369	struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
2370	struct nouveau_drm *drm = nouveau_drm(fb->dev);
2371	struct nouveau_bo *nvbo = nv_fb->nvbo;
2372	struct nv50_disp *disp = nv50_disp(fb->dev);
2373	u8 kind = nouveau_bo_tile_layout(nvbo) >> 8;
2374	u8 tile = nvbo->tile_mode;
2375
2376	if (drm->device.info.chipset >= 0xc0)
2377		tile >>= 4; /* yep.. */
2378
2379	switch (fb->depth) {
2380	case  8: nv_fb->r_format = 0x1e00; break;
2381	case 15: nv_fb->r_format = 0xe900; break;
2382	case 16: nv_fb->r_format = 0xe800; break;
2383	case 24:
2384	case 32: nv_fb->r_format = 0xcf00; break;
2385	case 30: nv_fb->r_format = 0xd100; break;
2386	default:
2387		 NV_ERROR(drm, "unknown depth %d\n", fb->depth);
2388		 return -EINVAL;
2389	}
2390
2391	if (disp->disp->oclass < G82_DISP) {
2392		nv_fb->r_pitch   = kind ? (((fb->pitches[0] / 4) << 4) | tile) :
2393					    (fb->pitches[0] | 0x00100000);
2394		nv_fb->r_format |= kind << 16;
2395	} else
2396	if (disp->disp->oclass < GF110_DISP) {
2397		nv_fb->r_pitch  = kind ? (((fb->pitches[0] / 4) << 4) | tile) :
2398					   (fb->pitches[0] | 0x00100000);
2399	} else {
2400		nv_fb->r_pitch  = kind ? (((fb->pitches[0] / 4) << 4) | tile) :
2401					   (fb->pitches[0] | 0x01000000);
2402	}
2403	nv_fb->r_handle = 0xffff0000 | kind;
2404
2405	return nv50_fbdma_init(fb->dev, nv_fb->r_handle, 0,
2406			       drm->device.info.ram_user, kind);
2407}
2408
2409/******************************************************************************
2410 * Init
2411 *****************************************************************************/
2412
2413void
2414nv50_display_fini(struct drm_device *dev)
2415{
2416}
2417
2418int
2419nv50_display_init(struct drm_device *dev)
2420{
2421	struct nv50_disp *disp = nv50_disp(dev);
2422	struct drm_crtc *crtc;
2423	u32 *push;
2424
2425	push = evo_wait(nv50_mast(dev), 32);
2426	if (!push)
2427		return -EBUSY;
2428
2429	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
2430		struct nv50_sync *sync = nv50_sync(crtc);
2431
2432		nv50_crtc_lut_load(crtc);
2433		nouveau_bo_wr32(disp->sync, sync->addr / 4, sync->data);
2434	}
2435
2436	evo_mthd(push, 0x0088, 1);
2437	evo_data(push, nv50_mast(dev)->base.sync.handle);
2438	evo_kick(push, nv50_mast(dev));
2439	return 0;
2440}
2441
2442void
2443nv50_display_destroy(struct drm_device *dev)
2444{
2445	struct nv50_disp *disp = nv50_disp(dev);
2446	struct nv50_fbdma *fbdma, *fbtmp;
2447
2448	list_for_each_entry_safe(fbdma, fbtmp, &disp->fbdma, head) {
2449		nv50_fbdma_fini(fbdma);
2450	}
2451
2452	nv50_dmac_destroy(&disp->mast.base, disp->disp);
2453
2454	nouveau_bo_unmap(disp->sync);
2455	if (disp->sync)
2456		nouveau_bo_unpin(disp->sync);
2457	nouveau_bo_ref(NULL, &disp->sync);
2458
2459	nouveau_display(dev)->priv = NULL;
2460	kfree(disp);
2461}
2462
2463int
2464nv50_display_create(struct drm_device *dev)
2465{
2466	struct nvif_device *device = &nouveau_drm(dev)->device;
2467	struct nouveau_drm *drm = nouveau_drm(dev);
2468	struct dcb_table *dcb = &drm->vbios.dcb;
2469	struct drm_connector *connector, *tmp;
2470	struct nv50_disp *disp;
2471	struct dcb_output *dcbe;
2472	int crtcs, ret, i;
2473
2474	disp = kzalloc(sizeof(*disp), GFP_KERNEL);
2475	if (!disp)
2476		return -ENOMEM;
2477	INIT_LIST_HEAD(&disp->fbdma);
2478
2479	nouveau_display(dev)->priv = disp;
2480	nouveau_display(dev)->dtor = nv50_display_destroy;
2481	nouveau_display(dev)->init = nv50_display_init;
2482	nouveau_display(dev)->fini = nv50_display_fini;
2483	nouveau_display(dev)->fb_ctor = nv50_fb_ctor;
2484	nouveau_display(dev)->fb_dtor = nv50_fb_dtor;
2485	disp->disp = &nouveau_display(dev)->disp;
2486
2487	/* small shared memory area we use for notifiers and semaphores */
2488	ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
2489			     0, 0x0000, NULL, NULL, &disp->sync);
2490	if (!ret) {
2491		ret = nouveau_bo_pin(disp->sync, TTM_PL_FLAG_VRAM, true);
2492		if (!ret) {
2493			ret = nouveau_bo_map(disp->sync);
2494			if (ret)
2495				nouveau_bo_unpin(disp->sync);
2496		}
2497		if (ret)
2498			nouveau_bo_ref(NULL, &disp->sync);
2499	}
2500
2501	if (ret)
2502		goto out;
2503
2504	/* allocate master evo channel */
2505	ret = nv50_core_create(disp->disp, disp->sync->bo.offset,
2506			      &disp->mast);
2507	if (ret)
2508		goto out;
2509
2510	/* create crtc objects to represent the hw heads */
2511	if (disp->disp->oclass >= GF110_DISP)
2512		crtcs = nvif_rd32(device, 0x022448);
2513	else
2514		crtcs = 2;
2515
2516	for (i = 0; i < crtcs; i++) {
2517		ret = nv50_crtc_create(dev, i);
2518		if (ret)
2519			goto out;
2520	}
2521
2522	/* create encoder/connector objects based on VBIOS DCB table */
2523	for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) {
2524		connector = nouveau_connector_create(dev, dcbe->connector);
2525		if (IS_ERR(connector))
2526			continue;
2527
2528		if (dcbe->location == DCB_LOC_ON_CHIP) {
2529			switch (dcbe->type) {
2530			case DCB_OUTPUT_TMDS:
2531			case DCB_OUTPUT_LVDS:
2532			case DCB_OUTPUT_DP:
2533				ret = nv50_sor_create(connector, dcbe);
2534				break;
2535			case DCB_OUTPUT_ANALOG:
2536				ret = nv50_dac_create(connector, dcbe);
2537				break;
2538			default:
2539				ret = -ENODEV;
2540				break;
2541			}
2542		} else {
2543			ret = nv50_pior_create(connector, dcbe);
2544		}
2545
2546		if (ret) {
2547			NV_WARN(drm, "failed to create encoder %d/%d/%d: %d\n",
2548				     dcbe->location, dcbe->type,
2549				     ffs(dcbe->or) - 1, ret);
2550			ret = 0;
2551		}
2552	}
2553
2554	/* cull any connectors we created that don't have an encoder */
2555	list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) {
2556		if (connector->encoder_ids[0])
2557			continue;
2558
2559		NV_WARN(drm, "%s has no encoders, removing\n",
2560			connector->name);
2561		connector->funcs->destroy(connector);
2562	}
2563
2564out:
2565	if (ret)
2566		nv50_display_destroy(dev);
2567	return ret;
2568}
2569