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drm/nv50-nvc0: tidy evo object creation some more
[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / drivers / gpu / drm / nouveau / nv50_crtc.c
CommitLineData
6ee73861
BS		 1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include "drmP.h"
28#include "drm_mode.h"
29#include "drm_crtc_helper.h"
30
31#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO)
32#include "nouveau_reg.h"
33#include "nouveau_drv.h"
34#include "nouveau_hw.h"
35#include "nouveau_encoder.h"
36#include "nouveau_crtc.h"
37#include "nouveau_fb.h"
38#include "nouveau_connector.h"
39#include "nv50_display.h"
40
41static void
42nv50_crtc_lut_load(struct drm_crtc *crtc)
43{
44 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
45 void __iomem *lut = nvbo_kmap_obj_iovirtual(nv_crtc->lut.nvbo);
46 int i;
47
ef2bb506 48 NV_DEBUG_KMS(crtc->dev, "\n");
6ee73861
BS		 49
50 for (i = 0; i < 256; i++) {
51 writew(nv_crtc->lut.r[i] >> 2, lut + 8*i + 0);
52 writew(nv_crtc->lut.g[i] >> 2, lut + 8*i + 2);
53 writew(nv_crtc->lut.b[i] >> 2, lut + 8*i + 4);
54 }
55
56 if (nv_crtc->lut.depth == 30) {
57 writew(nv_crtc->lut.r[i - 1] >> 2, lut + 8*i + 0);
58 writew(nv_crtc->lut.g[i - 1] >> 2, lut + 8*i + 2);
59 writew(nv_crtc->lut.b[i - 1] >> 2, lut + 8*i + 4);
60 }
61}
62
63int
64nv50_crtc_blank(struct nouveau_crtc *nv_crtc, bool blanked)
65{
66 struct drm_device *dev = nv_crtc->base.dev;
67 struct drm_nouveau_private *dev_priv = dev->dev_private;
59c0f578 68 struct nouveau_channel *evo = nv50_display(dev)->master;
6ee73861
BS		 69 int index = nv_crtc->index, ret;
70
ef2bb506
MM		 71 NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
72 NV_DEBUG_KMS(dev, "%s\n", blanked ? "blanked" : "unblanked");
6ee73861
BS		 73
74 if (blanked) {
75 nv_crtc->cursor.hide(nv_crtc, false);
76
77 ret = RING_SPACE(evo, dev_priv->chipset != 0x50 ? 7 : 5);
78 if (ret) {
79 NV_ERROR(dev, "no space while blanking crtc\n");
80 return ret;
81 }
82 BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, CLUT_MODE), 2);
83 OUT_RING(evo, NV50_EVO_CRTC_CLUT_MODE_BLANK);
84 OUT_RING(evo, 0);
85 if (dev_priv->chipset != 0x50) {
86 BEGIN_RING(evo, 0, NV84_EVO_CRTC(index, CLUT_DMA), 1);
87 OUT_RING(evo, NV84_EVO_CRTC_CLUT_DMA_HANDLE_NONE);
88 }
89
90 BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_DMA), 1);
91 OUT_RING(evo, NV50_EVO_CRTC_FB_DMA_HANDLE_NONE);
92 } else {
93 if (nv_crtc->cursor.visible)
94 nv_crtc->cursor.show(nv_crtc, false);
95 else
96 nv_crtc->cursor.hide(nv_crtc, false);
97
98 ret = RING_SPACE(evo, dev_priv->chipset != 0x50 ? 10 : 8);
99 if (ret) {
100 NV_ERROR(dev, "no space while unblanking crtc\n");
101 return ret;
102 }
103 BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, CLUT_MODE), 2);
104 OUT_RING(evo, nv_crtc->lut.depth == 8 ?
105 NV50_EVO_CRTC_CLUT_MODE_OFF :
106 NV50_EVO_CRTC_CLUT_MODE_ON);
d961db75 107 OUT_RING(evo, (nv_crtc->lut.nvbo->bo.mem.start << PAGE_SHIFT) >> 8);
6ee73861
BS		 108 if (dev_priv->chipset != 0x50) {
109 BEGIN_RING(evo, 0, NV84_EVO_CRTC(index, CLUT_DMA), 1);
110 OUT_RING(evo, NvEvoVRAM);
111 }
112
113 BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_OFFSET), 2);
114 OUT_RING(evo, nv_crtc->fb.offset >> 8);
115 OUT_RING(evo, 0);
116 BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_DMA), 1);
117 if (dev_priv->chipset != 0x50)
6d86951a
BS		 118 if (nv_crtc->fb.tile_flags == 0x7a00 ||
119 nv_crtc->fb.tile_flags == 0xfe00)
6ee73861
BS		 120 OUT_RING(evo, NvEvoFB32);
121 else
122 if (nv_crtc->fb.tile_flags == 0x7000)
123 OUT_RING(evo, NvEvoFB16);
124 else
6d86951a 125 OUT_RING(evo, NvEvoVRAM_LP);
6ee73861 126 else
6d86951a 127 OUT_RING(evo, NvEvoVRAM_LP);
6ee73861
BS		 128 }
129
130 nv_crtc->fb.blanked = blanked;
131 return 0;
132}
133
134static int
135nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool on, bool update)
136{
137 struct drm_device *dev = nv_crtc->base.dev;
59c0f578 138 struct nouveau_channel *evo = nv50_display(dev)->master;
6ee73861
BS		 139 int ret;
140
ef2bb506 141 NV_DEBUG_KMS(dev, "\n");
6ee73861
BS		 142
143 ret = RING_SPACE(evo, 2 + (update ? 2 : 0));
144 if (ret) {
145 NV_ERROR(dev, "no space while setting dither\n");
146 return ret;
147 }
148
149 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, DITHER_CTRL), 1);
150 if (on)
151 OUT_RING(evo, NV50_EVO_CRTC_DITHER_CTRL_ON);
152 else
153 OUT_RING(evo, NV50_EVO_CRTC_DITHER_CTRL_OFF);
154
155 if (update) {
156 BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1);
157 OUT_RING(evo, 0);
158 FIRE_RING(evo);
159 }
160
161 return 0;
162}
163
164struct nouveau_connector *
165nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
166{
167 struct drm_device *dev = nv_crtc->base.dev;
168 struct drm_connector *connector;
169 struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
170
171 /* The safest approach is to find an encoder with the right crtc, that
172 * is also linked to a connector. */
173 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
174 if (connector->encoder)
175 if (connector->encoder->crtc == crtc)
176 return nouveau_connector(connector);
177 }
178
179 return NULL;
180}
181
182static int
183nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, int scaling_mode, bool update)
184{
185 struct nouveau_connector *nv_connector =
186 nouveau_crtc_connector_get(nv_crtc);
187 struct drm_device *dev = nv_crtc->base.dev;
59c0f578 188 struct nouveau_channel *evo = nv50_display(dev)->master;
6ee73861
BS		 189 struct drm_display_mode *native_mode = NULL;
190 struct drm_display_mode *mode = &nv_crtc->base.mode;
191 uint32_t outX, outY, horiz, vert;
192 int ret;
193
ef2bb506 194 NV_DEBUG_KMS(dev, "\n");
6ee73861
BS		 195
196 switch (scaling_mode) {
197 case DRM_MODE_SCALE_NONE:
198 break;
199 default:
200 if (!nv_connector || !nv_connector->native_mode) {
201 NV_ERROR(dev, "No native mode, forcing panel scaling\n");
202 scaling_mode = DRM_MODE_SCALE_NONE;
203 } else {
204 native_mode = nv_connector->native_mode;
205 }
206 break;
207 }
208
209 switch (scaling_mode) {
210 case DRM_MODE_SCALE_ASPECT:
211 horiz = (native_mode->hdisplay << 19) / mode->hdisplay;
212 vert = (native_mode->vdisplay << 19) / mode->vdisplay;
213
214 if (vert > horiz) {
215 outX = (mode->hdisplay * horiz) >> 19;
216 outY = (mode->vdisplay * horiz) >> 19;
217 } else {
218 outX = (mode->hdisplay * vert) >> 19;
219 outY = (mode->vdisplay * vert) >> 19;
220 }
221 break;
222 case DRM_MODE_SCALE_FULLSCREEN:
223 outX = native_mode->hdisplay;
224 outY = native_mode->vdisplay;
225 break;
226 case DRM_MODE_SCALE_CENTER:
227 case DRM_MODE_SCALE_NONE:
228 default:
229 outX = mode->hdisplay;
230 outY = mode->vdisplay;
231 break;
232 }
233
234 ret = RING_SPACE(evo, update ? 7 : 5);
235 if (ret)
236 return ret;
237
238 /* Got a better name for SCALER_ACTIVE? */
239 /* One day i've got to really figure out why this is needed. */
240 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_CTRL), 1);
241 if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) ||
242 (mode->flags & DRM_MODE_FLAG_INTERLACE) ||
243 mode->hdisplay != outX || mode->vdisplay != outY) {
244 OUT_RING(evo, NV50_EVO_CRTC_SCALE_CTRL_ACTIVE);
245 } else {
246 OUT_RING(evo, NV50_EVO_CRTC_SCALE_CTRL_INACTIVE);
247 }
248
249 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_RES1), 2);
250 OUT_RING(evo, outY << 16 | outX);
251 OUT_RING(evo, outY << 16 | outX);
252
253 if (update) {
254 BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1);
255 OUT_RING(evo, 0);
256 FIRE_RING(evo);
257 }
258
259 return 0;
260}
261
262int
263nv50_crtc_set_clock(struct drm_device *dev, int head, int pclk)
264{
1ac7b528 265 struct drm_nouveau_private *dev_priv = dev->dev_private;
e9ebb68b 266 struct pll_lims pll;
5b32165b 267 uint32_t reg1, reg2;
e9ebb68b 268 int ret, N1, M1, N2, M2, P;
6ee73861 269
5b32165b 270 ret = get_pll_limits(dev, PLL_VPLL0 + head, &pll);
6ee73861
BS		 271 if (ret)
272 return ret;
273
e9ebb68b
BS		 274 if (pll.vco2.maxfreq) {
275 ret = nv50_calc_pll(dev, &pll, pclk, &N1, &M1, &N2, &M2, &P);
276 if (ret <= 0)
277 return 0;
6ee73861 278
17b96cc3 279 NV_DEBUG(dev, "pclk %d out %d NM1 %d %d NM2 %d %d P %d\n",
e9ebb68b
BS		 280 pclk, ret, N1, M1, N2, M2, P);
281
5b32165b
BS		 282 reg1 = nv_rd32(dev, pll.reg + 4) & 0xff00ff00;
283 reg2 = nv_rd32(dev, pll.reg + 8) & 0x8000ff00;
284 nv_wr32(dev, pll.reg + 0, 0x10000611);
285 nv_wr32(dev, pll.reg + 4, reg1 | (M1 << 16) | N1);
286 nv_wr32(dev, pll.reg + 8, reg2 | (P << 28) | (M2 << 16) | N2);
1ac7b528
BS		 287 } else
288 if (dev_priv->chipset < NV_C0) {
e9ebb68b
BS		 289 ret = nv50_calc_pll2(dev, &pll, pclk, &N1, &N2, &M1, &P);
290 if (ret <= 0)
291 return 0;
292
293 NV_DEBUG(dev, "pclk %d out %d N %d fN 0x%04x M %d P %d\n",
294 pclk, ret, N1, N2, M1, P);
17b96cc3 295
5b32165b
BS		 296 reg1 = nv_rd32(dev, pll.reg + 4) & 0xffc00000;
297 nv_wr32(dev, pll.reg + 0, 0x50000610);
298 nv_wr32(dev, pll.reg + 4, reg1 | (P << 16) | (M1 << 8) | N1);
299 nv_wr32(dev, pll.reg + 8, N2);
1ac7b528
BS		 300 } else {
301 ret = nv50_calc_pll2(dev, &pll, pclk, &N1, &N2, &M1, &P);
302 if (ret <= 0)
303 return 0;
304
305 NV_DEBUG(dev, "pclk %d out %d N %d fN 0x%04x M %d P %d\n",
306 pclk, ret, N1, N2, M1, P);
307
5b32165b
BS		 308 nv_mask(dev, pll.reg + 0x0c, 0x00000000, 0x00000100);
309 nv_wr32(dev, pll.reg + 0x04, (P << 16) | (N1 << 8) | M1);
310 nv_wr32(dev, pll.reg + 0x10, N2 << 16);
6ee73861
BS		 311 }
312
313 return 0;
314}
315
316static void
317nv50_crtc_destroy(struct drm_crtc *crtc)
318{
dd19e44b
MS		 319 struct drm_device *dev;
320 struct nouveau_crtc *nv_crtc;
6ee73861
BS		 321
322 if (!crtc)
323 return;
324
dd19e44b
MS		 325 dev = crtc->dev;
326 nv_crtc = nouveau_crtc(crtc);
327
328 NV_DEBUG_KMS(dev, "\n");
329
6ee73861
BS		 330 drm_crtc_cleanup(&nv_crtc->base);
331
332 nv50_cursor_fini(nv_crtc);
333
9d59e8a1 334 nouveau_bo_unmap(nv_crtc->lut.nvbo);
6ee73861 335 nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
9d59e8a1 336 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
6ee73861
BS		 337 nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
338 kfree(nv_crtc->mode);
339 kfree(nv_crtc);
340}
341
342int
343nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
344 uint32_t buffer_handle, uint32_t width, uint32_t height)
345{
346 struct drm_device *dev = crtc->dev;
6ee73861
BS		 347 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
348 struct nouveau_bo *cursor = NULL;
349 struct drm_gem_object *gem;
350 int ret = 0, i;
351
352 if (width != 64 || height != 64)
353 return -EINVAL;
354
355 if (!buffer_handle) {
356 nv_crtc->cursor.hide(nv_crtc, true);
357 return 0;
358 }
359
360 gem = drm_gem_object_lookup(dev, file_priv, buffer_handle);
361 if (!gem)
bf79cb91 362 return -ENOENT;
6ee73861
BS		 363 cursor = nouveau_gem_object(gem);
364
365 ret = nouveau_bo_map(cursor);
366 if (ret)
367 goto out;
368
369 /* The simple will do for now. */
370 for (i = 0; i < 64 * 64; i++)
371 nouveau_bo_wr32(nv_crtc->cursor.nvbo, i, nouveau_bo_rd32(cursor, i));
372
373 nouveau_bo_unmap(cursor);
374
4c136142 375 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.mem.start << PAGE_SHIFT);
6ee73861
BS		 376 nv_crtc->cursor.show(nv_crtc, true);
377
378out:
bc9025bd 379 drm_gem_object_unreference_unlocked(gem);
6ee73861
BS		 380 return ret;
381}
382
383int
384nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
385{
386 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
387
388 nv_crtc->cursor.set_pos(nv_crtc, x, y);
389 return 0;
390}
391
392static void
393nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
7203425a 394 uint32_t start, uint32_t size)
6ee73861 395{
7203425a 396 int end = (start + size > 256) ? 256 : start + size, i;
6ee73861 397 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
6ee73861 398
7203425a 399 for (i = start; i < end; i++) {
6ee73861
BS		 400 nv_crtc->lut.r[i] = r[i];
401 nv_crtc->lut.g[i] = g[i];
402 nv_crtc->lut.b[i] = b[i];
403 }
404
405 /* We need to know the depth before we upload, but it's possible to
406 * get called before a framebuffer is bound. If this is the case,
407 * mark the lut values as dirty by setting depth==0, and it'll be
408 * uploaded on the first mode_set_base()
409 */
410 if (!nv_crtc->base.fb) {
411 nv_crtc->lut.depth = 0;
412 return;
413 }
414
415 nv50_crtc_lut_load(crtc);
416}
417
418static void
419nv50_crtc_save(struct drm_crtc *crtc)
420{
421 NV_ERROR(crtc->dev, "!!\n");
422}
423
424static void
425nv50_crtc_restore(struct drm_crtc *crtc)
426{
427 NV_ERROR(crtc->dev, "!!\n");
428}
429
430static const struct drm_crtc_funcs nv50_crtc_funcs = {
431 .save = nv50_crtc_save,
432 .restore = nv50_crtc_restore,
433 .cursor_set = nv50_crtc_cursor_set,
434 .cursor_move = nv50_crtc_cursor_move,
435 .gamma_set = nv50_crtc_gamma_set,
436 .set_config = drm_crtc_helper_set_config,
332b242f 437 .page_flip = nouveau_crtc_page_flip,
6ee73861
BS		 438 .destroy = nv50_crtc_destroy,
439};
440
441static void
442nv50_crtc_dpms(struct drm_crtc *crtc, int mode)
443{
444}
445
60f60bf1
BS		 446static int
447nv50_crtc_wait_complete(struct drm_crtc *crtc)
448{
449 struct drm_device *dev = crtc->dev;
450 struct drm_nouveau_private *dev_priv = dev->dev_private;
451 struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
452 struct nv50_display *disp = nv50_display(dev);
453 struct nouveau_channel *evo = disp->master;
454 u64 start;
455 int ret;
456
457 ret = RING_SPACE(evo, 6);
458 if (ret)
459 return ret;
460 BEGIN_RING(evo, 0, 0x0084, 1);
461 OUT_RING (evo, 0x80000000);
462 BEGIN_RING(evo, 0, 0x0080, 1);
463 OUT_RING (evo, 0);
464 BEGIN_RING(evo, 0, 0x0084, 1);
465 OUT_RING (evo, 0x00000000);
466
467 nv_wo32(disp->ntfy, 0x000, 0x00000000);
468 FIRE_RING (evo);
469
470 start = ptimer->read(dev);
471 do {
472 nv_wr32(dev, 0x61002c, 0x370);
473 nv_wr32(dev, 0x000140, 1);
474
475 if (nv_ro32(disp->ntfy, 0x000))
476 return 0;
477 } while (ptimer->read(dev) - start < 2000000000ULL);
478
479 return -EBUSY;
480}
481
6ee73861
BS		 482static void
483nv50_crtc_prepare(struct drm_crtc *crtc)
484{
485 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
486 struct drm_device *dev = crtc->dev;
6ee73861 487
ef2bb506 488 NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
6ee73861 489
1c180fa5 490 drm_vblank_pre_modeset(dev, nv_crtc->index);
6ee73861
BS		 491 nv50_crtc_blank(nv_crtc, true);
492}
493
494static void
495nv50_crtc_commit(struct drm_crtc *crtc)
496{
6ee73861 497 struct drm_device *dev = crtc->dev;
6ee73861 498 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
6ee73861 499
ef2bb506 500 NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
6ee73861
BS		 501
502 nv50_crtc_blank(nv_crtc, false);
1c180fa5 503 drm_vblank_post_modeset(dev, nv_crtc->index);
60f60bf1 504 nv50_crtc_wait_complete(crtc);
6ee73861
BS		 505}
506
507static bool
508nv50_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *mode,
509 struct drm_display_mode *adjusted_mode)
510{
511 return true;
512}
513
514static int
be64c2bb
CB		 515nv50_crtc_do_mode_set_base(struct drm_crtc *crtc,
516 struct drm_framebuffer *passed_fb,
60f60bf1 517 int x, int y, bool atomic)
6ee73861
BS		 518{
519 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
520 struct drm_device *dev = nv_crtc->base.dev;
521 struct drm_nouveau_private *dev_priv = dev->dev_private;
59c0f578 522 struct nouveau_channel *evo = nv50_display(dev)->master;
6ee73861
BS		 523 struct drm_framebuffer *drm_fb = nv_crtc->base.fb;
524 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
525 int ret, format;
526
ef2bb506 527 NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
6ee73861 528
be64c2bb
CB		 529 /* If atomic, we want to switch to the fb we were passed, so
530 * now we update pointers to do that. (We don't pin; just
531 * assume we're already pinned and update the base address.)
532 */
533 if (atomic) {
534 drm_fb = passed_fb;
535 fb = nouveau_framebuffer(passed_fb);
536 }
537 else {
538 /* If not atomic, we can go ahead and pin, and unpin the
539 * old fb we were passed.
540 */
541 ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM);
542 if (ret)
543 return ret;
544
545 if (passed_fb) {
546 struct nouveau_framebuffer *ofb = nouveau_framebuffer(passed_fb);
547 nouveau_bo_unpin(ofb->nvbo);
548 }
549 }
550
6ee73861
BS		 551 switch (drm_fb->depth) {
552 case 8:
553 format = NV50_EVO_CRTC_FB_DEPTH_8;
554 break;
555 case 15:
556 format = NV50_EVO_CRTC_FB_DEPTH_15;
557 break;
558 case 16:
559 format = NV50_EVO_CRTC_FB_DEPTH_16;
560 break;
561 case 24:
562 case 32:
563 format = NV50_EVO_CRTC_FB_DEPTH_24;
564 break;
565 case 30:
566 format = NV50_EVO_CRTC_FB_DEPTH_30;
567 break;
568 default:
569 NV_ERROR(dev, "unknown depth %d\n", drm_fb->depth);
570 return -EINVAL;
571 }
572
4c136142 573 nv_crtc->fb.offset = fb->nvbo->bo.mem.start << PAGE_SHIFT;
f13b3263 574 nv_crtc->fb.tile_flags = nouveau_bo_tile_layout(fb->nvbo);
6ee73861
BS		 575 nv_crtc->fb.cpp = drm_fb->bits_per_pixel / 8;
576 if (!nv_crtc->fb.blanked && dev_priv->chipset != 0x50) {
577 ret = RING_SPACE(evo, 2);
578 if (ret)
579 return ret;
580
581 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_DMA), 1);
6d86951a
BS		 582 if (nv_crtc->fb.tile_flags == 0x7a00 ||
583 nv_crtc->fb.tile_flags == 0xfe00)
6ee73861
BS		 584 OUT_RING(evo, NvEvoFB32);
585 else
586 if (nv_crtc->fb.tile_flags == 0x7000)
587 OUT_RING(evo, NvEvoFB16);
588 else
6d86951a 589 OUT_RING(evo, NvEvoVRAM_LP);
6ee73861
BS		 590 }
591
592 ret = RING_SPACE(evo, 12);
593 if (ret)
594 return ret;
595
596 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_OFFSET), 5);
597 OUT_RING(evo, nv_crtc->fb.offset >> 8);
598 OUT_RING(evo, 0);
599 OUT_RING(evo, (drm_fb->height << 16) | drm_fb->width);
600 if (!nv_crtc->fb.tile_flags) {
601 OUT_RING(evo, drm_fb->pitch | (1 << 20));
602 } else {
6d86951a
BS		 603 u32 tile_mode = fb->nvbo->tile_mode;
604 if (dev_priv->card_type >= NV_C0)
605 tile_mode >>= 4;
606 OUT_RING(evo, ((drm_fb->pitch / 4) << 4) | tile_mode);
6ee73861
BS		 607 }
608 if (dev_priv->chipset == 0x50)
f13b3263 609 OUT_RING(evo, (nv_crtc->fb.tile_flags << 8) | format);
6ee73861
BS		 610 else
611 OUT_RING(evo, format);
612
613 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CLUT_MODE), 1);
614 OUT_RING(evo, fb->base.depth == 8 ?
615 NV50_EVO_CRTC_CLUT_MODE_OFF : NV50_EVO_CRTC_CLUT_MODE_ON);
616
617 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, COLOR_CTRL), 1);
618 OUT_RING(evo, NV50_EVO_CRTC_COLOR_CTRL_COLOR);
619 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_POS), 1);
620 OUT_RING(evo, (y << 16) | x);
621
622 if (nv_crtc->lut.depth != fb->base.depth) {
623 nv_crtc->lut.depth = fb->base.depth;
624 nv50_crtc_lut_load(crtc);
625 }
626
6ee73861
BS		 627 return 0;
628}
629
630static int
631nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
632 struct drm_display_mode *adjusted_mode, int x, int y,
633 struct drm_framebuffer *old_fb)
634{
635 struct drm_device *dev = crtc->dev;
59c0f578 636 struct nouveau_channel *evo = nv50_display(dev)->master;
6ee73861
BS		 637 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
638 struct nouveau_connector *nv_connector = NULL;
639 uint32_t hsync_dur, vsync_dur, hsync_start_to_end, vsync_start_to_end;
640 uint32_t hunk1, vunk1, vunk2a, vunk2b;
641 int ret;
642
643 /* Find the connector attached to this CRTC */
644 nv_connector = nouveau_crtc_connector_get(nv_crtc);
645
646 *nv_crtc->mode = *adjusted_mode;
647
ef2bb506 648 NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
6ee73861
BS		 649
650 hsync_dur = adjusted_mode->hsync_end - adjusted_mode->hsync_start;
651 vsync_dur = adjusted_mode->vsync_end - adjusted_mode->vsync_start;
652 hsync_start_to_end = adjusted_mode->htotal - adjusted_mode->hsync_start;
653 vsync_start_to_end = adjusted_mode->vtotal - adjusted_mode->vsync_start;
654 /* I can't give this a proper name, anyone else can? */
655 hunk1 = adjusted_mode->htotal -
656 adjusted_mode->hsync_start + adjusted_mode->hdisplay;
657 vunk1 = adjusted_mode->vtotal -
658 adjusted_mode->vsync_start + adjusted_mode->vdisplay;
659 /* Another strange value, this time only for interlaced adjusted_modes. */
660 vunk2a = 2 * adjusted_mode->vtotal -
661 adjusted_mode->vsync_start + adjusted_mode->vdisplay;
662 vunk2b = adjusted_mode->vtotal -
663 adjusted_mode->vsync_start + adjusted_mode->vtotal;
664
665 if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
666 vsync_dur /= 2;
667 vsync_start_to_end /= 2;
668 vunk1 /= 2;
669 vunk2a /= 2;
670 vunk2b /= 2;
671 /* magic */
672 if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) {
673 vsync_start_to_end -= 1;
674 vunk1 -= 1;
675 vunk2a -= 1;
676 vunk2b -= 1;
677 }
678 }
679
680 ret = RING_SPACE(evo, 17);
681 if (ret)
682 return ret;
683
684 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CLOCK), 2);
685 OUT_RING(evo, adjusted_mode->clock | 0x800000);
686 OUT_RING(evo, (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 0);
687
688 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, DISPLAY_START), 5);
689 OUT_RING(evo, 0);
690 OUT_RING(evo, (adjusted_mode->vtotal << 16) | adjusted_mode->htotal);
691 OUT_RING(evo, (vsync_dur - 1) << 16 | (hsync_dur - 1));
692 OUT_RING(evo, (vsync_start_to_end - 1) << 16 |
693 (hsync_start_to_end - 1));
694 OUT_RING(evo, (vunk1 - 1) << 16 | (hunk1 - 1));
695
696 if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
697 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, UNK0824), 1);
698 OUT_RING(evo, (vunk2b - 1) << 16 | (vunk2a - 1));
699 } else {
700 OUT_RING(evo, 0);
701 OUT_RING(evo, 0);
702 }
703
704 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, UNK082C), 1);
705 OUT_RING(evo, 0);
706
707 /* This is the actual resolution of the mode. */
708 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, REAL_RES), 1);
709 OUT_RING(evo, (mode->vdisplay << 16) | mode->hdisplay);
710 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_CENTER_OFFSET), 1);
711 OUT_RING(evo, NV50_EVO_CRTC_SCALE_CENTER_OFFSET_VAL(0, 0));
712
713 nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, false);
714 nv_crtc->set_scale(nv_crtc, nv_connector->scaling_mode, false);
715
60f60bf1 716 return nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, false);
6ee73861
BS		 717}
718
719static int
720nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
721 struct drm_framebuffer *old_fb)
722{
60f60bf1
BS		 723 int ret;
724
725 ret = nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, false);
726 if (ret)
727 return ret;
728
729 return nv50_crtc_wait_complete(crtc);
be64c2bb
CB		 730}
731
732static int
733nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
734 struct drm_framebuffer *fb,
21c74a8e 735 int x, int y, enum mode_set_atomic state)
be64c2bb 736{
60f60bf1
BS		 737 int ret;
738
739 ret = nv50_crtc_do_mode_set_base(crtc, fb, x, y, true);
740 if (ret)
741 return ret;
742
743 return nv50_crtc_wait_complete(crtc);
6ee73861
BS		 744}
745
746static const struct drm_crtc_helper_funcs nv50_crtc_helper_funcs = {
747 .dpms = nv50_crtc_dpms,
748 .prepare = nv50_crtc_prepare,
749 .commit = nv50_crtc_commit,
750 .mode_fixup = nv50_crtc_mode_fixup,
751 .mode_set = nv50_crtc_mode_set,
752 .mode_set_base = nv50_crtc_mode_set_base,
be64c2bb 753 .mode_set_base_atomic = nv50_crtc_mode_set_base_atomic,
6ee73861
BS		 754 .load_lut = nv50_crtc_lut_load,
755};
756
757int
758nv50_crtc_create(struct drm_device *dev, int index)
759{
760 struct nouveau_crtc *nv_crtc = NULL;
761 int ret, i;
762
ef2bb506 763 NV_DEBUG_KMS(dev, "\n");
6ee73861
BS		 764
765 nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL);
766 if (!nv_crtc)
767 return -ENOMEM;
768
769 nv_crtc->mode = kzalloc(sizeof(*nv_crtc->mode), GFP_KERNEL);
770 if (!nv_crtc->mode) {
771 kfree(nv_crtc);
772 return -ENOMEM;
773 }
774
775 /* Default CLUT parameters, will be activated on the hw upon
776 * first mode set.
777 */
778 for (i = 0; i < 256; i++) {
779 nv_crtc->lut.r[i] = i << 8;
780 nv_crtc->lut.g[i] = i << 8;
781 nv_crtc->lut.b[i] = i << 8;
782 }
783 nv_crtc->lut.depth = 0;
784
785 ret = nouveau_bo_new(dev, NULL, 4096, 0x100, TTM_PL_FLAG_VRAM,
786 0, 0x0000, false, true, &nv_crtc->lut.nvbo);
787 if (!ret) {
788 ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM);
789 if (!ret)
790 ret = nouveau_bo_map(nv_crtc->lut.nvbo);
791 if (ret)
792 nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
793 }
794
795 if (ret) {
796 kfree(nv_crtc->mode);
797 kfree(nv_crtc);
798 return ret;
799 }
800
801 nv_crtc->index = index;
802
803 /* set function pointers */
804 nv_crtc->set_dither = nv50_crtc_set_dither;
805 nv_crtc->set_scale = nv50_crtc_set_scale;
806
807 drm_crtc_init(dev, &nv_crtc->base, &nv50_crtc_funcs);
808 drm_crtc_helper_add(&nv_crtc->base, &nv50_crtc_helper_funcs);
809 drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256);
810
811 ret = nouveau_bo_new(dev, NULL, 64*64*4, 0x100, TTM_PL_FLAG_VRAM,
812 0, 0x0000, false, true, &nv_crtc->cursor.nvbo);
813 if (!ret) {
814 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
815 if (!ret)
816 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
817 if (ret)
818 nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
819 }
820
821 nv50_cursor_init(nv_crtc);
822 return 0;
823}