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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 | ||
41 | static void | |
42 | nv50_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 | ||
63 | int | |
64 | nv50_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; | |
68 | struct nouveau_channel *evo = dev_priv->evo; | |
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); | |
107 | OUT_RING(evo, (nv_crtc->lut.nvbo->bo.mem.mm_node->start << | |
108 | PAGE_SHIFT) >> 8); | |
109 | if (dev_priv->chipset != 0x50) { | |
110 | BEGIN_RING(evo, 0, NV84_EVO_CRTC(index, CLUT_DMA), 1); | |
111 | OUT_RING(evo, NvEvoVRAM); | |
112 | } | |
113 | ||
114 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_OFFSET), 2); | |
115 | OUT_RING(evo, nv_crtc->fb.offset >> 8); | |
116 | OUT_RING(evo, 0); | |
117 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(index, FB_DMA), 1); | |
118 | if (dev_priv->chipset != 0x50) | |
119 | if (nv_crtc->fb.tile_flags == 0x7a00) | |
120 | OUT_RING(evo, NvEvoFB32); | |
121 | else | |
122 | if (nv_crtc->fb.tile_flags == 0x7000) | |
123 | OUT_RING(evo, NvEvoFB16); | |
124 | else | |
125 | OUT_RING(evo, NvEvoVRAM); | |
126 | else | |
127 | OUT_RING(evo, NvEvoVRAM); | |
128 | } | |
129 | ||
130 | nv_crtc->fb.blanked = blanked; | |
131 | return 0; | |
132 | } | |
133 | ||
134 | static int | |
135 | nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool on, bool update) | |
136 | { | |
137 | struct drm_device *dev = nv_crtc->base.dev; | |
138 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
139 | struct nouveau_channel *evo = dev_priv->evo; | |
140 | int ret; | |
141 | ||
ef2bb506 | 142 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 BS |
143 | |
144 | ret = RING_SPACE(evo, 2 + (update ? 2 : 0)); | |
145 | if (ret) { | |
146 | NV_ERROR(dev, "no space while setting dither\n"); | |
147 | return ret; | |
148 | } | |
149 | ||
150 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, DITHER_CTRL), 1); | |
151 | if (on) | |
152 | OUT_RING(evo, NV50_EVO_CRTC_DITHER_CTRL_ON); | |
153 | else | |
154 | OUT_RING(evo, NV50_EVO_CRTC_DITHER_CTRL_OFF); | |
155 | ||
156 | if (update) { | |
157 | BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); | |
158 | OUT_RING(evo, 0); | |
159 | FIRE_RING(evo); | |
160 | } | |
161 | ||
162 | return 0; | |
163 | } | |
164 | ||
165 | struct nouveau_connector * | |
166 | nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc) | |
167 | { | |
168 | struct drm_device *dev = nv_crtc->base.dev; | |
169 | struct drm_connector *connector; | |
170 | struct drm_crtc *crtc = to_drm_crtc(nv_crtc); | |
171 | ||
172 | /* The safest approach is to find an encoder with the right crtc, that | |
173 | * is also linked to a connector. */ | |
174 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
175 | if (connector->encoder) | |
176 | if (connector->encoder->crtc == crtc) | |
177 | return nouveau_connector(connector); | |
178 | } | |
179 | ||
180 | return NULL; | |
181 | } | |
182 | ||
183 | static int | |
184 | nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, int scaling_mode, bool update) | |
185 | { | |
186 | struct nouveau_connector *nv_connector = | |
187 | nouveau_crtc_connector_get(nv_crtc); | |
188 | struct drm_device *dev = nv_crtc->base.dev; | |
189 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
190 | struct nouveau_channel *evo = dev_priv->evo; | |
191 | struct drm_display_mode *native_mode = NULL; | |
192 | struct drm_display_mode *mode = &nv_crtc->base.mode; | |
193 | uint32_t outX, outY, horiz, vert; | |
194 | int ret; | |
195 | ||
ef2bb506 | 196 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 BS |
197 | |
198 | switch (scaling_mode) { | |
199 | case DRM_MODE_SCALE_NONE: | |
200 | break; | |
201 | default: | |
202 | if (!nv_connector || !nv_connector->native_mode) { | |
203 | NV_ERROR(dev, "No native mode, forcing panel scaling\n"); | |
204 | scaling_mode = DRM_MODE_SCALE_NONE; | |
205 | } else { | |
206 | native_mode = nv_connector->native_mode; | |
207 | } | |
208 | break; | |
209 | } | |
210 | ||
211 | switch (scaling_mode) { | |
212 | case DRM_MODE_SCALE_ASPECT: | |
213 | horiz = (native_mode->hdisplay << 19) / mode->hdisplay; | |
214 | vert = (native_mode->vdisplay << 19) / mode->vdisplay; | |
215 | ||
216 | if (vert > horiz) { | |
217 | outX = (mode->hdisplay * horiz) >> 19; | |
218 | outY = (mode->vdisplay * horiz) >> 19; | |
219 | } else { | |
220 | outX = (mode->hdisplay * vert) >> 19; | |
221 | outY = (mode->vdisplay * vert) >> 19; | |
222 | } | |
223 | break; | |
224 | case DRM_MODE_SCALE_FULLSCREEN: | |
225 | outX = native_mode->hdisplay; | |
226 | outY = native_mode->vdisplay; | |
227 | break; | |
228 | case DRM_MODE_SCALE_CENTER: | |
229 | case DRM_MODE_SCALE_NONE: | |
230 | default: | |
231 | outX = mode->hdisplay; | |
232 | outY = mode->vdisplay; | |
233 | break; | |
234 | } | |
235 | ||
236 | ret = RING_SPACE(evo, update ? 7 : 5); | |
237 | if (ret) | |
238 | return ret; | |
239 | ||
240 | /* Got a better name for SCALER_ACTIVE? */ | |
241 | /* One day i've got to really figure out why this is needed. */ | |
242 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_CTRL), 1); | |
243 | if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) || | |
244 | (mode->flags & DRM_MODE_FLAG_INTERLACE) || | |
245 | mode->hdisplay != outX || mode->vdisplay != outY) { | |
246 | OUT_RING(evo, NV50_EVO_CRTC_SCALE_CTRL_ACTIVE); | |
247 | } else { | |
248 | OUT_RING(evo, NV50_EVO_CRTC_SCALE_CTRL_INACTIVE); | |
249 | } | |
250 | ||
251 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_RES1), 2); | |
252 | OUT_RING(evo, outY << 16 | outX); | |
253 | OUT_RING(evo, outY << 16 | outX); | |
254 | ||
255 | if (update) { | |
256 | BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); | |
257 | OUT_RING(evo, 0); | |
258 | FIRE_RING(evo); | |
259 | } | |
260 | ||
261 | return 0; | |
262 | } | |
263 | ||
264 | int | |
265 | nv50_crtc_set_clock(struct drm_device *dev, int head, int pclk) | |
266 | { | |
267 | uint32_t pll_reg = NV50_PDISPLAY_CRTC_CLK_CTRL1(head); | |
268 | struct nouveau_pll_vals pll; | |
269 | struct pll_lims limits; | |
270 | uint32_t reg1, reg2; | |
271 | int ret; | |
272 | ||
273 | ret = get_pll_limits(dev, pll_reg, &limits); | |
274 | if (ret) | |
275 | return ret; | |
276 | ||
277 | ret = nouveau_calc_pll_mnp(dev, &limits, pclk, &pll); | |
278 | if (ret <= 0) | |
279 | return ret; | |
280 | ||
281 | if (limits.vco2.maxfreq) { | |
282 | reg1 = nv_rd32(dev, pll_reg + 4) & 0xff00ff00; | |
283 | reg2 = nv_rd32(dev, pll_reg + 8) & 0x8000ff00; | |
284 | nv_wr32(dev, pll_reg, 0x10000611); | |
285 | nv_wr32(dev, pll_reg + 4, reg1 | (pll.M1 << 16) | pll.N1); | |
286 | nv_wr32(dev, pll_reg + 8, | |
287 | reg2 | (pll.log2P << 28) | (pll.M2 << 16) | pll.N2); | |
288 | } else { | |
289 | reg1 = nv_rd32(dev, pll_reg + 4) & 0xffc00000; | |
290 | nv_wr32(dev, pll_reg, 0x50000610); | |
291 | nv_wr32(dev, pll_reg + 4, reg1 | | |
292 | (pll.log2P << 16) | (pll.M1 << 8) | pll.N1); | |
293 | } | |
294 | ||
295 | return 0; | |
296 | } | |
297 | ||
298 | static void | |
299 | nv50_crtc_destroy(struct drm_crtc *crtc) | |
300 | { | |
dd19e44b MS |
301 | struct drm_device *dev; |
302 | struct nouveau_crtc *nv_crtc; | |
6ee73861 BS |
303 | |
304 | if (!crtc) | |
305 | return; | |
306 | ||
dd19e44b MS |
307 | dev = crtc->dev; |
308 | nv_crtc = nouveau_crtc(crtc); | |
309 | ||
310 | NV_DEBUG_KMS(dev, "\n"); | |
311 | ||
6ee73861 BS |
312 | drm_crtc_cleanup(&nv_crtc->base); |
313 | ||
314 | nv50_cursor_fini(nv_crtc); | |
315 | ||
316 | nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo); | |
317 | nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); | |
318 | kfree(nv_crtc->mode); | |
319 | kfree(nv_crtc); | |
320 | } | |
321 | ||
322 | int | |
323 | nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, | |
324 | uint32_t buffer_handle, uint32_t width, uint32_t height) | |
325 | { | |
326 | struct drm_device *dev = crtc->dev; | |
327 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
328 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
329 | struct nouveau_bo *cursor = NULL; | |
330 | struct drm_gem_object *gem; | |
331 | int ret = 0, i; | |
332 | ||
333 | if (width != 64 || height != 64) | |
334 | return -EINVAL; | |
335 | ||
336 | if (!buffer_handle) { | |
337 | nv_crtc->cursor.hide(nv_crtc, true); | |
338 | return 0; | |
339 | } | |
340 | ||
341 | gem = drm_gem_object_lookup(dev, file_priv, buffer_handle); | |
342 | if (!gem) | |
343 | return -EINVAL; | |
344 | cursor = nouveau_gem_object(gem); | |
345 | ||
346 | ret = nouveau_bo_map(cursor); | |
347 | if (ret) | |
348 | goto out; | |
349 | ||
350 | /* The simple will do for now. */ | |
351 | for (i = 0; i < 64 * 64; i++) | |
352 | nouveau_bo_wr32(nv_crtc->cursor.nvbo, i, nouveau_bo_rd32(cursor, i)); | |
353 | ||
354 | nouveau_bo_unmap(cursor); | |
355 | ||
356 | nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset - | |
357 | dev_priv->vm_vram_base); | |
358 | nv_crtc->cursor.show(nv_crtc, true); | |
359 | ||
360 | out: | |
bc9025bd | 361 | drm_gem_object_unreference_unlocked(gem); |
6ee73861 BS |
362 | return ret; |
363 | } | |
364 | ||
365 | int | |
366 | nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) | |
367 | { | |
368 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
369 | ||
370 | nv_crtc->cursor.set_pos(nv_crtc, x, y); | |
371 | return 0; | |
372 | } | |
373 | ||
374 | static void | |
375 | nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, | |
376 | uint32_t size) | |
377 | { | |
378 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
379 | int i; | |
380 | ||
381 | if (size != 256) | |
382 | return; | |
383 | ||
384 | for (i = 0; i < 256; i++) { | |
385 | nv_crtc->lut.r[i] = r[i]; | |
386 | nv_crtc->lut.g[i] = g[i]; | |
387 | nv_crtc->lut.b[i] = b[i]; | |
388 | } | |
389 | ||
390 | /* We need to know the depth before we upload, but it's possible to | |
391 | * get called before a framebuffer is bound. If this is the case, | |
392 | * mark the lut values as dirty by setting depth==0, and it'll be | |
393 | * uploaded on the first mode_set_base() | |
394 | */ | |
395 | if (!nv_crtc->base.fb) { | |
396 | nv_crtc->lut.depth = 0; | |
397 | return; | |
398 | } | |
399 | ||
400 | nv50_crtc_lut_load(crtc); | |
401 | } | |
402 | ||
403 | static void | |
404 | nv50_crtc_save(struct drm_crtc *crtc) | |
405 | { | |
406 | NV_ERROR(crtc->dev, "!!\n"); | |
407 | } | |
408 | ||
409 | static void | |
410 | nv50_crtc_restore(struct drm_crtc *crtc) | |
411 | { | |
412 | NV_ERROR(crtc->dev, "!!\n"); | |
413 | } | |
414 | ||
415 | static const struct drm_crtc_funcs nv50_crtc_funcs = { | |
416 | .save = nv50_crtc_save, | |
417 | .restore = nv50_crtc_restore, | |
418 | .cursor_set = nv50_crtc_cursor_set, | |
419 | .cursor_move = nv50_crtc_cursor_move, | |
420 | .gamma_set = nv50_crtc_gamma_set, | |
421 | .set_config = drm_crtc_helper_set_config, | |
422 | .destroy = nv50_crtc_destroy, | |
423 | }; | |
424 | ||
425 | static void | |
426 | nv50_crtc_dpms(struct drm_crtc *crtc, int mode) | |
427 | { | |
428 | } | |
429 | ||
430 | static void | |
431 | nv50_crtc_prepare(struct drm_crtc *crtc) | |
432 | { | |
433 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
434 | struct drm_device *dev = crtc->dev; | |
435 | struct drm_encoder *encoder; | |
58d65b84 | 436 | uint32_t dac = 0, sor = 0; |
6ee73861 | 437 | |
ef2bb506 | 438 | NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); |
6ee73861 BS |
439 | |
440 | /* Disconnect all unused encoders. */ | |
441 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
442 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
443 | ||
58d65b84 | 444 | if (!drm_helper_encoder_in_use(encoder)) |
6ee73861 BS |
445 | continue; |
446 | ||
58d65b84 BS |
447 | if (nv_encoder->dcb->type == OUTPUT_ANALOG || |
448 | nv_encoder->dcb->type == OUTPUT_TV) | |
449 | dac |= (1 << nv_encoder->or); | |
450 | else | |
451 | sor |= (1 << nv_encoder->or); | |
452 | } | |
453 | ||
454 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
455 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
456 | ||
457 | if (nv_encoder->dcb->type == OUTPUT_ANALOG || | |
458 | nv_encoder->dcb->type == OUTPUT_TV) { | |
459 | if (dac & (1 << nv_encoder->or)) | |
460 | continue; | |
461 | } else { | |
462 | if (sor & (1 << nv_encoder->or)) | |
463 | continue; | |
464 | } | |
465 | ||
6ee73861 BS |
466 | nv_encoder->disconnect(nv_encoder); |
467 | } | |
468 | ||
469 | nv50_crtc_blank(nv_crtc, true); | |
470 | } | |
471 | ||
472 | static void | |
473 | nv50_crtc_commit(struct drm_crtc *crtc) | |
474 | { | |
475 | struct drm_crtc *crtc2; | |
476 | struct drm_device *dev = crtc->dev; | |
477 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
478 | struct nouveau_channel *evo = dev_priv->evo; | |
479 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
480 | int ret; | |
481 | ||
ef2bb506 | 482 | NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); |
6ee73861 BS |
483 | |
484 | nv50_crtc_blank(nv_crtc, false); | |
485 | ||
486 | /* Explicitly blank all unused crtc's. */ | |
487 | list_for_each_entry(crtc2, &dev->mode_config.crtc_list, head) { | |
488 | if (!drm_helper_crtc_in_use(crtc2)) | |
489 | nv50_crtc_blank(nouveau_crtc(crtc2), true); | |
490 | } | |
491 | ||
492 | ret = RING_SPACE(evo, 2); | |
493 | if (ret) { | |
494 | NV_ERROR(dev, "no space while committing crtc\n"); | |
495 | return; | |
496 | } | |
497 | BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); | |
498 | OUT_RING(evo, 0); | |
499 | FIRE_RING(evo); | |
500 | } | |
501 | ||
502 | static bool | |
503 | nv50_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *mode, | |
504 | struct drm_display_mode *adjusted_mode) | |
505 | { | |
506 | return true; | |
507 | } | |
508 | ||
509 | static int | |
510 | nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, int x, int y, | |
511 | struct drm_framebuffer *old_fb, bool update) | |
512 | { | |
513 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
514 | struct drm_device *dev = nv_crtc->base.dev; | |
515 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
516 | struct nouveau_channel *evo = dev_priv->evo; | |
517 | struct drm_framebuffer *drm_fb = nv_crtc->base.fb; | |
518 | struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); | |
519 | int ret, format; | |
520 | ||
ef2bb506 | 521 | NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); |
6ee73861 BS |
522 | |
523 | switch (drm_fb->depth) { | |
524 | case 8: | |
525 | format = NV50_EVO_CRTC_FB_DEPTH_8; | |
526 | break; | |
527 | case 15: | |
528 | format = NV50_EVO_CRTC_FB_DEPTH_15; | |
529 | break; | |
530 | case 16: | |
531 | format = NV50_EVO_CRTC_FB_DEPTH_16; | |
532 | break; | |
533 | case 24: | |
534 | case 32: | |
535 | format = NV50_EVO_CRTC_FB_DEPTH_24; | |
536 | break; | |
537 | case 30: | |
538 | format = NV50_EVO_CRTC_FB_DEPTH_30; | |
539 | break; | |
540 | default: | |
541 | NV_ERROR(dev, "unknown depth %d\n", drm_fb->depth); | |
542 | return -EINVAL; | |
543 | } | |
544 | ||
545 | ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); | |
546 | if (ret) | |
547 | return ret; | |
548 | ||
549 | if (old_fb) { | |
550 | struct nouveau_framebuffer *ofb = nouveau_framebuffer(old_fb); | |
551 | nouveau_bo_unpin(ofb->nvbo); | |
552 | } | |
553 | ||
554 | nv_crtc->fb.offset = fb->nvbo->bo.offset - dev_priv->vm_vram_base; | |
555 | nv_crtc->fb.tile_flags = fb->nvbo->tile_flags; | |
556 | nv_crtc->fb.cpp = drm_fb->bits_per_pixel / 8; | |
557 | if (!nv_crtc->fb.blanked && dev_priv->chipset != 0x50) { | |
558 | ret = RING_SPACE(evo, 2); | |
559 | if (ret) | |
560 | return ret; | |
561 | ||
562 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_DMA), 1); | |
563 | if (nv_crtc->fb.tile_flags == 0x7a00) | |
564 | OUT_RING(evo, NvEvoFB32); | |
565 | else | |
566 | if (nv_crtc->fb.tile_flags == 0x7000) | |
567 | OUT_RING(evo, NvEvoFB16); | |
568 | else | |
569 | OUT_RING(evo, NvEvoVRAM); | |
570 | } | |
571 | ||
572 | ret = RING_SPACE(evo, 12); | |
573 | if (ret) | |
574 | return ret; | |
575 | ||
576 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_OFFSET), 5); | |
577 | OUT_RING(evo, nv_crtc->fb.offset >> 8); | |
578 | OUT_RING(evo, 0); | |
579 | OUT_RING(evo, (drm_fb->height << 16) | drm_fb->width); | |
580 | if (!nv_crtc->fb.tile_flags) { | |
581 | OUT_RING(evo, drm_fb->pitch | (1 << 20)); | |
582 | } else { | |
583 | OUT_RING(evo, ((drm_fb->pitch / 4) << 4) | | |
584 | fb->nvbo->tile_mode); | |
585 | } | |
586 | if (dev_priv->chipset == 0x50) | |
587 | OUT_RING(evo, (fb->nvbo->tile_flags << 8) | format); | |
588 | else | |
589 | OUT_RING(evo, format); | |
590 | ||
591 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CLUT_MODE), 1); | |
592 | OUT_RING(evo, fb->base.depth == 8 ? | |
593 | NV50_EVO_CRTC_CLUT_MODE_OFF : NV50_EVO_CRTC_CLUT_MODE_ON); | |
594 | ||
595 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, COLOR_CTRL), 1); | |
596 | OUT_RING(evo, NV50_EVO_CRTC_COLOR_CTRL_COLOR); | |
597 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, FB_POS), 1); | |
598 | OUT_RING(evo, (y << 16) | x); | |
599 | ||
600 | if (nv_crtc->lut.depth != fb->base.depth) { | |
601 | nv_crtc->lut.depth = fb->base.depth; | |
602 | nv50_crtc_lut_load(crtc); | |
603 | } | |
604 | ||
605 | if (update) { | |
606 | ret = RING_SPACE(evo, 2); | |
607 | if (ret) | |
608 | return ret; | |
609 | BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); | |
610 | OUT_RING(evo, 0); | |
611 | FIRE_RING(evo); | |
612 | } | |
613 | ||
614 | return 0; | |
615 | } | |
616 | ||
617 | static int | |
618 | nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, | |
619 | struct drm_display_mode *adjusted_mode, int x, int y, | |
620 | struct drm_framebuffer *old_fb) | |
621 | { | |
622 | struct drm_device *dev = crtc->dev; | |
623 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
624 | struct nouveau_channel *evo = dev_priv->evo; | |
625 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
626 | struct nouveau_connector *nv_connector = NULL; | |
627 | uint32_t hsync_dur, vsync_dur, hsync_start_to_end, vsync_start_to_end; | |
628 | uint32_t hunk1, vunk1, vunk2a, vunk2b; | |
629 | int ret; | |
630 | ||
631 | /* Find the connector attached to this CRTC */ | |
632 | nv_connector = nouveau_crtc_connector_get(nv_crtc); | |
633 | ||
634 | *nv_crtc->mode = *adjusted_mode; | |
635 | ||
ef2bb506 | 636 | NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); |
6ee73861 BS |
637 | |
638 | hsync_dur = adjusted_mode->hsync_end - adjusted_mode->hsync_start; | |
639 | vsync_dur = adjusted_mode->vsync_end - adjusted_mode->vsync_start; | |
640 | hsync_start_to_end = adjusted_mode->htotal - adjusted_mode->hsync_start; | |
641 | vsync_start_to_end = adjusted_mode->vtotal - adjusted_mode->vsync_start; | |
642 | /* I can't give this a proper name, anyone else can? */ | |
643 | hunk1 = adjusted_mode->htotal - | |
644 | adjusted_mode->hsync_start + adjusted_mode->hdisplay; | |
645 | vunk1 = adjusted_mode->vtotal - | |
646 | adjusted_mode->vsync_start + adjusted_mode->vdisplay; | |
647 | /* Another strange value, this time only for interlaced adjusted_modes. */ | |
648 | vunk2a = 2 * adjusted_mode->vtotal - | |
649 | adjusted_mode->vsync_start + adjusted_mode->vdisplay; | |
650 | vunk2b = adjusted_mode->vtotal - | |
651 | adjusted_mode->vsync_start + adjusted_mode->vtotal; | |
652 | ||
653 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { | |
654 | vsync_dur /= 2; | |
655 | vsync_start_to_end /= 2; | |
656 | vunk1 /= 2; | |
657 | vunk2a /= 2; | |
658 | vunk2b /= 2; | |
659 | /* magic */ | |
660 | if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) { | |
661 | vsync_start_to_end -= 1; | |
662 | vunk1 -= 1; | |
663 | vunk2a -= 1; | |
664 | vunk2b -= 1; | |
665 | } | |
666 | } | |
667 | ||
668 | ret = RING_SPACE(evo, 17); | |
669 | if (ret) | |
670 | return ret; | |
671 | ||
672 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CLOCK), 2); | |
673 | OUT_RING(evo, adjusted_mode->clock | 0x800000); | |
674 | OUT_RING(evo, (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 0); | |
675 | ||
676 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, DISPLAY_START), 5); | |
677 | OUT_RING(evo, 0); | |
678 | OUT_RING(evo, (adjusted_mode->vtotal << 16) | adjusted_mode->htotal); | |
679 | OUT_RING(evo, (vsync_dur - 1) << 16 | (hsync_dur - 1)); | |
680 | OUT_RING(evo, (vsync_start_to_end - 1) << 16 | | |
681 | (hsync_start_to_end - 1)); | |
682 | OUT_RING(evo, (vunk1 - 1) << 16 | (hunk1 - 1)); | |
683 | ||
684 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { | |
685 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, UNK0824), 1); | |
686 | OUT_RING(evo, (vunk2b - 1) << 16 | (vunk2a - 1)); | |
687 | } else { | |
688 | OUT_RING(evo, 0); | |
689 | OUT_RING(evo, 0); | |
690 | } | |
691 | ||
692 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, UNK082C), 1); | |
693 | OUT_RING(evo, 0); | |
694 | ||
695 | /* This is the actual resolution of the mode. */ | |
696 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, REAL_RES), 1); | |
697 | OUT_RING(evo, (mode->vdisplay << 16) | mode->hdisplay); | |
698 | BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_CENTER_OFFSET), 1); | |
699 | OUT_RING(evo, NV50_EVO_CRTC_SCALE_CENTER_OFFSET_VAL(0, 0)); | |
700 | ||
701 | nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, false); | |
702 | nv_crtc->set_scale(nv_crtc, nv_connector->scaling_mode, false); | |
703 | ||
704 | return nv50_crtc_do_mode_set_base(crtc, x, y, old_fb, false); | |
705 | } | |
706 | ||
707 | static int | |
708 | nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, | |
709 | struct drm_framebuffer *old_fb) | |
710 | { | |
711 | return nv50_crtc_do_mode_set_base(crtc, x, y, old_fb, true); | |
712 | } | |
713 | ||
714 | static const struct drm_crtc_helper_funcs nv50_crtc_helper_funcs = { | |
715 | .dpms = nv50_crtc_dpms, | |
716 | .prepare = nv50_crtc_prepare, | |
717 | .commit = nv50_crtc_commit, | |
718 | .mode_fixup = nv50_crtc_mode_fixup, | |
719 | .mode_set = nv50_crtc_mode_set, | |
720 | .mode_set_base = nv50_crtc_mode_set_base, | |
721 | .load_lut = nv50_crtc_lut_load, | |
722 | }; | |
723 | ||
724 | int | |
725 | nv50_crtc_create(struct drm_device *dev, int index) | |
726 | { | |
727 | struct nouveau_crtc *nv_crtc = NULL; | |
728 | int ret, i; | |
729 | ||
ef2bb506 | 730 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 BS |
731 | |
732 | nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL); | |
733 | if (!nv_crtc) | |
734 | return -ENOMEM; | |
735 | ||
736 | nv_crtc->mode = kzalloc(sizeof(*nv_crtc->mode), GFP_KERNEL); | |
737 | if (!nv_crtc->mode) { | |
738 | kfree(nv_crtc); | |
739 | return -ENOMEM; | |
740 | } | |
741 | ||
742 | /* Default CLUT parameters, will be activated on the hw upon | |
743 | * first mode set. | |
744 | */ | |
745 | for (i = 0; i < 256; i++) { | |
746 | nv_crtc->lut.r[i] = i << 8; | |
747 | nv_crtc->lut.g[i] = i << 8; | |
748 | nv_crtc->lut.b[i] = i << 8; | |
749 | } | |
750 | nv_crtc->lut.depth = 0; | |
751 | ||
752 | ret = nouveau_bo_new(dev, NULL, 4096, 0x100, TTM_PL_FLAG_VRAM, | |
753 | 0, 0x0000, false, true, &nv_crtc->lut.nvbo); | |
754 | if (!ret) { | |
755 | ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM); | |
756 | if (!ret) | |
757 | ret = nouveau_bo_map(nv_crtc->lut.nvbo); | |
758 | if (ret) | |
759 | nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo); | |
760 | } | |
761 | ||
762 | if (ret) { | |
763 | kfree(nv_crtc->mode); | |
764 | kfree(nv_crtc); | |
765 | return ret; | |
766 | } | |
767 | ||
768 | nv_crtc->index = index; | |
769 | ||
770 | /* set function pointers */ | |
771 | nv_crtc->set_dither = nv50_crtc_set_dither; | |
772 | nv_crtc->set_scale = nv50_crtc_set_scale; | |
773 | ||
774 | drm_crtc_init(dev, &nv_crtc->base, &nv50_crtc_funcs); | |
775 | drm_crtc_helper_add(&nv_crtc->base, &nv50_crtc_helper_funcs); | |
776 | drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256); | |
777 | ||
778 | ret = nouveau_bo_new(dev, NULL, 64*64*4, 0x100, TTM_PL_FLAG_VRAM, | |
779 | 0, 0x0000, false, true, &nv_crtc->cursor.nvbo); | |
780 | if (!ret) { | |
781 | ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); | |
782 | if (!ret) | |
783 | ret = nouveau_bo_map(nv_crtc->cursor.nvbo); | |
784 | if (ret) | |
785 | nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); | |
786 | } | |
787 | ||
788 | nv50_cursor_init(nv_crtc); | |
789 | return 0; | |
790 | } |