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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[mirror_ubuntu-zesty-kernel.git] / drivers / gpu / drm / nouveau / nouveau_state.c
1 /*
2 * Copyright 2005 Stephane Marchesin
3 * Copyright 2008 Stuart Bennett
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 */
25
26 #include <linux/swab.h>
27 #include <linux/slab.h>
28 #include "drmP.h"
29 #include "drm.h"
30 #include "drm_sarea.h"
31 #include "drm_crtc_helper.h"
32 #include <linux/vgaarb.h>
33 #include <linux/vga_switcheroo.h>
34
35 #include "nouveau_drv.h"
36 #include "nouveau_drm.h"
37 #include "nouveau_fbcon.h"
38 #include "nouveau_ramht.h"
39 #include "nouveau_pm.h"
40 #include "nv50_display.h"
41
42 static void nouveau_stub_takedown(struct drm_device *dev) {}
43 static int nouveau_stub_init(struct drm_device *dev) { return 0; }
44
45 static int nouveau_init_engine_ptrs(struct drm_device *dev)
46 {
47 struct drm_nouveau_private *dev_priv = dev->dev_private;
48 struct nouveau_engine *engine = &dev_priv->engine;
49
50 switch (dev_priv->chipset & 0xf0) {
51 case 0x00:
52 engine->instmem.init = nv04_instmem_init;
53 engine->instmem.takedown = nv04_instmem_takedown;
54 engine->instmem.suspend = nv04_instmem_suspend;
55 engine->instmem.resume = nv04_instmem_resume;
56 engine->instmem.populate = nv04_instmem_populate;
57 engine->instmem.clear = nv04_instmem_clear;
58 engine->instmem.bind = nv04_instmem_bind;
59 engine->instmem.unbind = nv04_instmem_unbind;
60 engine->instmem.flush = nv04_instmem_flush;
61 engine->mc.init = nv04_mc_init;
62 engine->mc.takedown = nv04_mc_takedown;
63 engine->timer.init = nv04_timer_init;
64 engine->timer.read = nv04_timer_read;
65 engine->timer.takedown = nv04_timer_takedown;
66 engine->fb.init = nv04_fb_init;
67 engine->fb.takedown = nv04_fb_takedown;
68 engine->graph.grclass = nv04_graph_grclass;
69 engine->graph.init = nv04_graph_init;
70 engine->graph.takedown = nv04_graph_takedown;
71 engine->graph.fifo_access = nv04_graph_fifo_access;
72 engine->graph.channel = nv04_graph_channel;
73 engine->graph.create_context = nv04_graph_create_context;
74 engine->graph.destroy_context = nv04_graph_destroy_context;
75 engine->graph.load_context = nv04_graph_load_context;
76 engine->graph.unload_context = nv04_graph_unload_context;
77 engine->fifo.channels = 16;
78 engine->fifo.init = nv04_fifo_init;
79 engine->fifo.takedown = nouveau_stub_takedown;
80 engine->fifo.disable = nv04_fifo_disable;
81 engine->fifo.enable = nv04_fifo_enable;
82 engine->fifo.reassign = nv04_fifo_reassign;
83 engine->fifo.cache_pull = nv04_fifo_cache_pull;
84 engine->fifo.channel_id = nv04_fifo_channel_id;
85 engine->fifo.create_context = nv04_fifo_create_context;
86 engine->fifo.destroy_context = nv04_fifo_destroy_context;
87 engine->fifo.load_context = nv04_fifo_load_context;
88 engine->fifo.unload_context = nv04_fifo_unload_context;
89 engine->display.early_init = nv04_display_early_init;
90 engine->display.late_takedown = nv04_display_late_takedown;
91 engine->display.create = nv04_display_create;
92 engine->display.init = nv04_display_init;
93 engine->display.destroy = nv04_display_destroy;
94 engine->gpio.init = nouveau_stub_init;
95 engine->gpio.takedown = nouveau_stub_takedown;
96 engine->gpio.get = NULL;
97 engine->gpio.set = NULL;
98 engine->gpio.irq_enable = NULL;
99 engine->pm.clock_get = nv04_pm_clock_get;
100 engine->pm.clock_pre = nv04_pm_clock_pre;
101 engine->pm.clock_set = nv04_pm_clock_set;
102 break;
103 case 0x10:
104 engine->instmem.init = nv04_instmem_init;
105 engine->instmem.takedown = nv04_instmem_takedown;
106 engine->instmem.suspend = nv04_instmem_suspend;
107 engine->instmem.resume = nv04_instmem_resume;
108 engine->instmem.populate = nv04_instmem_populate;
109 engine->instmem.clear = nv04_instmem_clear;
110 engine->instmem.bind = nv04_instmem_bind;
111 engine->instmem.unbind = nv04_instmem_unbind;
112 engine->instmem.flush = nv04_instmem_flush;
113 engine->mc.init = nv04_mc_init;
114 engine->mc.takedown = nv04_mc_takedown;
115 engine->timer.init = nv04_timer_init;
116 engine->timer.read = nv04_timer_read;
117 engine->timer.takedown = nv04_timer_takedown;
118 engine->fb.init = nv10_fb_init;
119 engine->fb.takedown = nv10_fb_takedown;
120 engine->fb.set_region_tiling = nv10_fb_set_region_tiling;
121 engine->graph.grclass = nv10_graph_grclass;
122 engine->graph.init = nv10_graph_init;
123 engine->graph.takedown = nv10_graph_takedown;
124 engine->graph.channel = nv10_graph_channel;
125 engine->graph.create_context = nv10_graph_create_context;
126 engine->graph.destroy_context = nv10_graph_destroy_context;
127 engine->graph.fifo_access = nv04_graph_fifo_access;
128 engine->graph.load_context = nv10_graph_load_context;
129 engine->graph.unload_context = nv10_graph_unload_context;
130 engine->graph.set_region_tiling = nv10_graph_set_region_tiling;
131 engine->fifo.channels = 32;
132 engine->fifo.init = nv10_fifo_init;
133 engine->fifo.takedown = nouveau_stub_takedown;
134 engine->fifo.disable = nv04_fifo_disable;
135 engine->fifo.enable = nv04_fifo_enable;
136 engine->fifo.reassign = nv04_fifo_reassign;
137 engine->fifo.cache_pull = nv04_fifo_cache_pull;
138 engine->fifo.channel_id = nv10_fifo_channel_id;
139 engine->fifo.create_context = nv10_fifo_create_context;
140 engine->fifo.destroy_context = nv10_fifo_destroy_context;
141 engine->fifo.load_context = nv10_fifo_load_context;
142 engine->fifo.unload_context = nv10_fifo_unload_context;
143 engine->display.early_init = nv04_display_early_init;
144 engine->display.late_takedown = nv04_display_late_takedown;
145 engine->display.create = nv04_display_create;
146 engine->display.init = nv04_display_init;
147 engine->display.destroy = nv04_display_destroy;
148 engine->gpio.init = nouveau_stub_init;
149 engine->gpio.takedown = nouveau_stub_takedown;
150 engine->gpio.get = nv10_gpio_get;
151 engine->gpio.set = nv10_gpio_set;
152 engine->gpio.irq_enable = NULL;
153 engine->pm.clock_get = nv04_pm_clock_get;
154 engine->pm.clock_pre = nv04_pm_clock_pre;
155 engine->pm.clock_set = nv04_pm_clock_set;
156 break;
157 case 0x20:
158 engine->instmem.init = nv04_instmem_init;
159 engine->instmem.takedown = nv04_instmem_takedown;
160 engine->instmem.suspend = nv04_instmem_suspend;
161 engine->instmem.resume = nv04_instmem_resume;
162 engine->instmem.populate = nv04_instmem_populate;
163 engine->instmem.clear = nv04_instmem_clear;
164 engine->instmem.bind = nv04_instmem_bind;
165 engine->instmem.unbind = nv04_instmem_unbind;
166 engine->instmem.flush = nv04_instmem_flush;
167 engine->mc.init = nv04_mc_init;
168 engine->mc.takedown = nv04_mc_takedown;
169 engine->timer.init = nv04_timer_init;
170 engine->timer.read = nv04_timer_read;
171 engine->timer.takedown = nv04_timer_takedown;
172 engine->fb.init = nv10_fb_init;
173 engine->fb.takedown = nv10_fb_takedown;
174 engine->fb.set_region_tiling = nv10_fb_set_region_tiling;
175 engine->graph.grclass = nv20_graph_grclass;
176 engine->graph.init = nv20_graph_init;
177 engine->graph.takedown = nv20_graph_takedown;
178 engine->graph.channel = nv10_graph_channel;
179 engine->graph.create_context = nv20_graph_create_context;
180 engine->graph.destroy_context = nv20_graph_destroy_context;
181 engine->graph.fifo_access = nv04_graph_fifo_access;
182 engine->graph.load_context = nv20_graph_load_context;
183 engine->graph.unload_context = nv20_graph_unload_context;
184 engine->graph.set_region_tiling = nv20_graph_set_region_tiling;
185 engine->fifo.channels = 32;
186 engine->fifo.init = nv10_fifo_init;
187 engine->fifo.takedown = nouveau_stub_takedown;
188 engine->fifo.disable = nv04_fifo_disable;
189 engine->fifo.enable = nv04_fifo_enable;
190 engine->fifo.reassign = nv04_fifo_reassign;
191 engine->fifo.cache_pull = nv04_fifo_cache_pull;
192 engine->fifo.channel_id = nv10_fifo_channel_id;
193 engine->fifo.create_context = nv10_fifo_create_context;
194 engine->fifo.destroy_context = nv10_fifo_destroy_context;
195 engine->fifo.load_context = nv10_fifo_load_context;
196 engine->fifo.unload_context = nv10_fifo_unload_context;
197 engine->display.early_init = nv04_display_early_init;
198 engine->display.late_takedown = nv04_display_late_takedown;
199 engine->display.create = nv04_display_create;
200 engine->display.init = nv04_display_init;
201 engine->display.destroy = nv04_display_destroy;
202 engine->gpio.init = nouveau_stub_init;
203 engine->gpio.takedown = nouveau_stub_takedown;
204 engine->gpio.get = nv10_gpio_get;
205 engine->gpio.set = nv10_gpio_set;
206 engine->gpio.irq_enable = NULL;
207 engine->pm.clock_get = nv04_pm_clock_get;
208 engine->pm.clock_pre = nv04_pm_clock_pre;
209 engine->pm.clock_set = nv04_pm_clock_set;
210 break;
211 case 0x30:
212 engine->instmem.init = nv04_instmem_init;
213 engine->instmem.takedown = nv04_instmem_takedown;
214 engine->instmem.suspend = nv04_instmem_suspend;
215 engine->instmem.resume = nv04_instmem_resume;
216 engine->instmem.populate = nv04_instmem_populate;
217 engine->instmem.clear = nv04_instmem_clear;
218 engine->instmem.bind = nv04_instmem_bind;
219 engine->instmem.unbind = nv04_instmem_unbind;
220 engine->instmem.flush = nv04_instmem_flush;
221 engine->mc.init = nv04_mc_init;
222 engine->mc.takedown = nv04_mc_takedown;
223 engine->timer.init = nv04_timer_init;
224 engine->timer.read = nv04_timer_read;
225 engine->timer.takedown = nv04_timer_takedown;
226 engine->fb.init = nv30_fb_init;
227 engine->fb.takedown = nv30_fb_takedown;
228 engine->fb.set_region_tiling = nv10_fb_set_region_tiling;
229 engine->graph.grclass = nv30_graph_grclass;
230 engine->graph.init = nv30_graph_init;
231 engine->graph.takedown = nv20_graph_takedown;
232 engine->graph.fifo_access = nv04_graph_fifo_access;
233 engine->graph.channel = nv10_graph_channel;
234 engine->graph.create_context = nv20_graph_create_context;
235 engine->graph.destroy_context = nv20_graph_destroy_context;
236 engine->graph.load_context = nv20_graph_load_context;
237 engine->graph.unload_context = nv20_graph_unload_context;
238 engine->graph.set_region_tiling = nv20_graph_set_region_tiling;
239 engine->fifo.channels = 32;
240 engine->fifo.init = nv10_fifo_init;
241 engine->fifo.takedown = nouveau_stub_takedown;
242 engine->fifo.disable = nv04_fifo_disable;
243 engine->fifo.enable = nv04_fifo_enable;
244 engine->fifo.reassign = nv04_fifo_reassign;
245 engine->fifo.cache_pull = nv04_fifo_cache_pull;
246 engine->fifo.channel_id = nv10_fifo_channel_id;
247 engine->fifo.create_context = nv10_fifo_create_context;
248 engine->fifo.destroy_context = nv10_fifo_destroy_context;
249 engine->fifo.load_context = nv10_fifo_load_context;
250 engine->fifo.unload_context = nv10_fifo_unload_context;
251 engine->display.early_init = nv04_display_early_init;
252 engine->display.late_takedown = nv04_display_late_takedown;
253 engine->display.create = nv04_display_create;
254 engine->display.init = nv04_display_init;
255 engine->display.destroy = nv04_display_destroy;
256 engine->gpio.init = nouveau_stub_init;
257 engine->gpio.takedown = nouveau_stub_takedown;
258 engine->gpio.get = nv10_gpio_get;
259 engine->gpio.set = nv10_gpio_set;
260 engine->gpio.irq_enable = NULL;
261 engine->pm.clock_get = nv04_pm_clock_get;
262 engine->pm.clock_pre = nv04_pm_clock_pre;
263 engine->pm.clock_set = nv04_pm_clock_set;
264 engine->pm.voltage_get = nouveau_voltage_gpio_get;
265 engine->pm.voltage_set = nouveau_voltage_gpio_set;
266 break;
267 case 0x40:
268 case 0x60:
269 engine->instmem.init = nv04_instmem_init;
270 engine->instmem.takedown = nv04_instmem_takedown;
271 engine->instmem.suspend = nv04_instmem_suspend;
272 engine->instmem.resume = nv04_instmem_resume;
273 engine->instmem.populate = nv04_instmem_populate;
274 engine->instmem.clear = nv04_instmem_clear;
275 engine->instmem.bind = nv04_instmem_bind;
276 engine->instmem.unbind = nv04_instmem_unbind;
277 engine->instmem.flush = nv04_instmem_flush;
278 engine->mc.init = nv40_mc_init;
279 engine->mc.takedown = nv40_mc_takedown;
280 engine->timer.init = nv04_timer_init;
281 engine->timer.read = nv04_timer_read;
282 engine->timer.takedown = nv04_timer_takedown;
283 engine->fb.init = nv40_fb_init;
284 engine->fb.takedown = nv40_fb_takedown;
285 engine->fb.set_region_tiling = nv40_fb_set_region_tiling;
286 engine->graph.grclass = nv40_graph_grclass;
287 engine->graph.init = nv40_graph_init;
288 engine->graph.takedown = nv40_graph_takedown;
289 engine->graph.fifo_access = nv04_graph_fifo_access;
290 engine->graph.channel = nv40_graph_channel;
291 engine->graph.create_context = nv40_graph_create_context;
292 engine->graph.destroy_context = nv40_graph_destroy_context;
293 engine->graph.load_context = nv40_graph_load_context;
294 engine->graph.unload_context = nv40_graph_unload_context;
295 engine->graph.set_region_tiling = nv40_graph_set_region_tiling;
296 engine->fifo.channels = 32;
297 engine->fifo.init = nv40_fifo_init;
298 engine->fifo.takedown = nouveau_stub_takedown;
299 engine->fifo.disable = nv04_fifo_disable;
300 engine->fifo.enable = nv04_fifo_enable;
301 engine->fifo.reassign = nv04_fifo_reassign;
302 engine->fifo.cache_pull = nv04_fifo_cache_pull;
303 engine->fifo.channel_id = nv10_fifo_channel_id;
304 engine->fifo.create_context = nv40_fifo_create_context;
305 engine->fifo.destroy_context = nv40_fifo_destroy_context;
306 engine->fifo.load_context = nv40_fifo_load_context;
307 engine->fifo.unload_context = nv40_fifo_unload_context;
308 engine->display.early_init = nv04_display_early_init;
309 engine->display.late_takedown = nv04_display_late_takedown;
310 engine->display.create = nv04_display_create;
311 engine->display.init = nv04_display_init;
312 engine->display.destroy = nv04_display_destroy;
313 engine->gpio.init = nouveau_stub_init;
314 engine->gpio.takedown = nouveau_stub_takedown;
315 engine->gpio.get = nv10_gpio_get;
316 engine->gpio.set = nv10_gpio_set;
317 engine->gpio.irq_enable = NULL;
318 engine->pm.clock_get = nv04_pm_clock_get;
319 engine->pm.clock_pre = nv04_pm_clock_pre;
320 engine->pm.clock_set = nv04_pm_clock_set;
321 engine->pm.voltage_get = nouveau_voltage_gpio_get;
322 engine->pm.voltage_set = nouveau_voltage_gpio_set;
323 engine->pm.temp_get = nv40_temp_get;
324 break;
325 case 0x50:
326 case 0x80: /* gotta love NVIDIA's consistency.. */
327 case 0x90:
328 case 0xA0:
329 engine->instmem.init = nv50_instmem_init;
330 engine->instmem.takedown = nv50_instmem_takedown;
331 engine->instmem.suspend = nv50_instmem_suspend;
332 engine->instmem.resume = nv50_instmem_resume;
333 engine->instmem.populate = nv50_instmem_populate;
334 engine->instmem.clear = nv50_instmem_clear;
335 engine->instmem.bind = nv50_instmem_bind;
336 engine->instmem.unbind = nv50_instmem_unbind;
337 if (dev_priv->chipset == 0x50)
338 engine->instmem.flush = nv50_instmem_flush;
339 else
340 engine->instmem.flush = nv84_instmem_flush;
341 engine->mc.init = nv50_mc_init;
342 engine->mc.takedown = nv50_mc_takedown;
343 engine->timer.init = nv04_timer_init;
344 engine->timer.read = nv04_timer_read;
345 engine->timer.takedown = nv04_timer_takedown;
346 engine->fb.init = nv50_fb_init;
347 engine->fb.takedown = nv50_fb_takedown;
348 engine->graph.grclass = nv50_graph_grclass;
349 engine->graph.init = nv50_graph_init;
350 engine->graph.takedown = nv50_graph_takedown;
351 engine->graph.fifo_access = nv50_graph_fifo_access;
352 engine->graph.channel = nv50_graph_channel;
353 engine->graph.create_context = nv50_graph_create_context;
354 engine->graph.destroy_context = nv50_graph_destroy_context;
355 engine->graph.load_context = nv50_graph_load_context;
356 engine->graph.unload_context = nv50_graph_unload_context;
357 if (dev_priv->chipset != 0x86)
358 engine->graph.tlb_flush = nv50_graph_tlb_flush;
359 else {
360 /* from what i can see nvidia do this on every
361 * pre-NVA3 board except NVAC, but, we've only
362 * ever seen problems on NV86
363 */
364 engine->graph.tlb_flush = nv86_graph_tlb_flush;
365 }
366 engine->fifo.channels = 128;
367 engine->fifo.init = nv50_fifo_init;
368 engine->fifo.takedown = nv50_fifo_takedown;
369 engine->fifo.disable = nv04_fifo_disable;
370 engine->fifo.enable = nv04_fifo_enable;
371 engine->fifo.reassign = nv04_fifo_reassign;
372 engine->fifo.channel_id = nv50_fifo_channel_id;
373 engine->fifo.create_context = nv50_fifo_create_context;
374 engine->fifo.destroy_context = nv50_fifo_destroy_context;
375 engine->fifo.load_context = nv50_fifo_load_context;
376 engine->fifo.unload_context = nv50_fifo_unload_context;
377 engine->fifo.tlb_flush = nv50_fifo_tlb_flush;
378 engine->display.early_init = nv50_display_early_init;
379 engine->display.late_takedown = nv50_display_late_takedown;
380 engine->display.create = nv50_display_create;
381 engine->display.init = nv50_display_init;
382 engine->display.destroy = nv50_display_destroy;
383 engine->gpio.init = nv50_gpio_init;
384 engine->gpio.takedown = nouveau_stub_takedown;
385 engine->gpio.get = nv50_gpio_get;
386 engine->gpio.set = nv50_gpio_set;
387 engine->gpio.irq_enable = nv50_gpio_irq_enable;
388 switch (dev_priv->chipset) {
389 case 0xa3:
390 case 0xa5:
391 case 0xa8:
392 case 0xaf:
393 engine->pm.clock_get = nva3_pm_clock_get;
394 engine->pm.clock_pre = nva3_pm_clock_pre;
395 engine->pm.clock_set = nva3_pm_clock_set;
396 break;
397 default:
398 engine->pm.clock_get = nv50_pm_clock_get;
399 engine->pm.clock_pre = nv50_pm_clock_pre;
400 engine->pm.clock_set = nv50_pm_clock_set;
401 break;
402 }
403 engine->pm.voltage_get = nouveau_voltage_gpio_get;
404 engine->pm.voltage_set = nouveau_voltage_gpio_set;
405 if (dev_priv->chipset >= 0x84)
406 engine->pm.temp_get = nv84_temp_get;
407 else
408 engine->pm.temp_get = nv40_temp_get;
409 break;
410 case 0xC0:
411 engine->instmem.init = nvc0_instmem_init;
412 engine->instmem.takedown = nvc0_instmem_takedown;
413 engine->instmem.suspend = nvc0_instmem_suspend;
414 engine->instmem.resume = nvc0_instmem_resume;
415 engine->instmem.populate = nvc0_instmem_populate;
416 engine->instmem.clear = nvc0_instmem_clear;
417 engine->instmem.bind = nvc0_instmem_bind;
418 engine->instmem.unbind = nvc0_instmem_unbind;
419 engine->instmem.flush = nvc0_instmem_flush;
420 engine->mc.init = nv50_mc_init;
421 engine->mc.takedown = nv50_mc_takedown;
422 engine->timer.init = nv04_timer_init;
423 engine->timer.read = nv04_timer_read;
424 engine->timer.takedown = nv04_timer_takedown;
425 engine->fb.init = nvc0_fb_init;
426 engine->fb.takedown = nvc0_fb_takedown;
427 engine->graph.grclass = NULL; //nvc0_graph_grclass;
428 engine->graph.init = nvc0_graph_init;
429 engine->graph.takedown = nvc0_graph_takedown;
430 engine->graph.fifo_access = nvc0_graph_fifo_access;
431 engine->graph.channel = nvc0_graph_channel;
432 engine->graph.create_context = nvc0_graph_create_context;
433 engine->graph.destroy_context = nvc0_graph_destroy_context;
434 engine->graph.load_context = nvc0_graph_load_context;
435 engine->graph.unload_context = nvc0_graph_unload_context;
436 engine->fifo.channels = 128;
437 engine->fifo.init = nvc0_fifo_init;
438 engine->fifo.takedown = nvc0_fifo_takedown;
439 engine->fifo.disable = nvc0_fifo_disable;
440 engine->fifo.enable = nvc0_fifo_enable;
441 engine->fifo.reassign = nvc0_fifo_reassign;
442 engine->fifo.channel_id = nvc0_fifo_channel_id;
443 engine->fifo.create_context = nvc0_fifo_create_context;
444 engine->fifo.destroy_context = nvc0_fifo_destroy_context;
445 engine->fifo.load_context = nvc0_fifo_load_context;
446 engine->fifo.unload_context = nvc0_fifo_unload_context;
447 engine->display.early_init = nv50_display_early_init;
448 engine->display.late_takedown = nv50_display_late_takedown;
449 engine->display.create = nv50_display_create;
450 engine->display.init = nv50_display_init;
451 engine->display.destroy = nv50_display_destroy;
452 engine->gpio.init = nv50_gpio_init;
453 engine->gpio.takedown = nouveau_stub_takedown;
454 engine->gpio.get = nv50_gpio_get;
455 engine->gpio.set = nv50_gpio_set;
456 engine->gpio.irq_enable = nv50_gpio_irq_enable;
457 break;
458 default:
459 NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset);
460 return 1;
461 }
462
463 return 0;
464 }
465
466 static unsigned int
467 nouveau_vga_set_decode(void *priv, bool state)
468 {
469 struct drm_device *dev = priv;
470 struct drm_nouveau_private *dev_priv = dev->dev_private;
471
472 if (dev_priv->chipset >= 0x40)
473 nv_wr32(dev, 0x88054, state);
474 else
475 nv_wr32(dev, 0x1854, state);
476
477 if (state)
478 return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
479 VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
480 else
481 return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
482 }
483
484 static int
485 nouveau_card_init_channel(struct drm_device *dev)
486 {
487 struct drm_nouveau_private *dev_priv = dev->dev_private;
488 struct nouveau_gpuobj *gpuobj = NULL;
489 int ret;
490
491 ret = nouveau_channel_alloc(dev, &dev_priv->channel,
492 (struct drm_file *)-2, NvDmaFB, NvDmaTT);
493 if (ret)
494 return ret;
495
496 ret = nouveau_gpuobj_dma_new(dev_priv->channel, NV_CLASS_DMA_IN_MEMORY,
497 0, dev_priv->vram_size,
498 NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM,
499 &gpuobj);
500 if (ret)
501 goto out_err;
502
503 ret = nouveau_ramht_insert(dev_priv->channel, NvDmaVRAM, gpuobj);
504 nouveau_gpuobj_ref(NULL, &gpuobj);
505 if (ret)
506 goto out_err;
507
508 ret = nouveau_gpuobj_gart_dma_new(dev_priv->channel, 0,
509 dev_priv->gart_info.aper_size,
510 NV_DMA_ACCESS_RW, &gpuobj, NULL);
511 if (ret)
512 goto out_err;
513
514 ret = nouveau_ramht_insert(dev_priv->channel, NvDmaGART, gpuobj);
515 nouveau_gpuobj_ref(NULL, &gpuobj);
516 if (ret)
517 goto out_err;
518
519 return 0;
520
521 out_err:
522 nouveau_channel_free(dev_priv->channel);
523 dev_priv->channel = NULL;
524 return ret;
525 }
526
527 static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
528 enum vga_switcheroo_state state)
529 {
530 struct drm_device *dev = pci_get_drvdata(pdev);
531 pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
532 if (state == VGA_SWITCHEROO_ON) {
533 printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
534 nouveau_pci_resume(pdev);
535 drm_kms_helper_poll_enable(dev);
536 } else {
537 printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
538 drm_kms_helper_poll_disable(dev);
539 nouveau_pci_suspend(pdev, pmm);
540 }
541 }
542
543 static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
544 {
545 struct drm_device *dev = pci_get_drvdata(pdev);
546 bool can_switch;
547
548 spin_lock(&dev->count_lock);
549 can_switch = (dev->open_count == 0);
550 spin_unlock(&dev->count_lock);
551 return can_switch;
552 }
553
554 int
555 nouveau_card_init(struct drm_device *dev)
556 {
557 struct drm_nouveau_private *dev_priv = dev->dev_private;
558 struct nouveau_engine *engine;
559 int ret;
560
561 vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
562 vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
563 nouveau_switcheroo_can_switch);
564
565 /* Initialise internal driver API hooks */
566 ret = nouveau_init_engine_ptrs(dev);
567 if (ret)
568 goto out;
569 engine = &dev_priv->engine;
570 spin_lock_init(&dev_priv->context_switch_lock);
571
572 /* Make the CRTCs and I2C buses accessible */
573 ret = engine->display.early_init(dev);
574 if (ret)
575 goto out;
576
577 /* Parse BIOS tables / Run init tables if card not POSTed */
578 ret = nouveau_bios_init(dev);
579 if (ret)
580 goto out_display_early;
581
582 nouveau_pm_init(dev);
583
584 ret = nouveau_mem_vram_init(dev);
585 if (ret)
586 goto out_bios;
587
588 ret = nouveau_gpuobj_init(dev);
589 if (ret)
590 goto out_vram;
591
592 ret = engine->instmem.init(dev);
593 if (ret)
594 goto out_gpuobj;
595
596 ret = nouveau_mem_gart_init(dev);
597 if (ret)
598 goto out_instmem;
599
600 /* PMC */
601 ret = engine->mc.init(dev);
602 if (ret)
603 goto out_gart;
604
605 /* PGPIO */
606 ret = engine->gpio.init(dev);
607 if (ret)
608 goto out_mc;
609
610 /* PTIMER */
611 ret = engine->timer.init(dev);
612 if (ret)
613 goto out_gpio;
614
615 /* PFB */
616 ret = engine->fb.init(dev);
617 if (ret)
618 goto out_timer;
619
620 if (nouveau_noaccel)
621 engine->graph.accel_blocked = true;
622 else {
623 /* PGRAPH */
624 ret = engine->graph.init(dev);
625 if (ret)
626 goto out_fb;
627
628 /* PFIFO */
629 ret = engine->fifo.init(dev);
630 if (ret)
631 goto out_graph;
632 }
633
634 ret = engine->display.create(dev);
635 if (ret)
636 goto out_fifo;
637
638 /* this call irq_preinstall, register irq handler and
639 * call irq_postinstall
640 */
641 ret = drm_irq_install(dev);
642 if (ret)
643 goto out_display;
644
645 ret = drm_vblank_init(dev, 0);
646 if (ret)
647 goto out_irq;
648
649 /* what about PVIDEO/PCRTC/PRAMDAC etc? */
650
651 if (!engine->graph.accel_blocked) {
652 ret = nouveau_fence_init(dev);
653 if (ret)
654 goto out_irq;
655
656 ret = nouveau_card_init_channel(dev);
657 if (ret)
658 goto out_fence;
659 }
660
661 ret = nouveau_backlight_init(dev);
662 if (ret)
663 NV_ERROR(dev, "Error %d registering backlight\n", ret);
664
665 nouveau_fbcon_init(dev);
666 drm_kms_helper_poll_init(dev);
667 return 0;
668
669 out_fence:
670 nouveau_fence_fini(dev);
671 out_irq:
672 drm_irq_uninstall(dev);
673 out_display:
674 engine->display.destroy(dev);
675 out_fifo:
676 if (!nouveau_noaccel)
677 engine->fifo.takedown(dev);
678 out_graph:
679 if (!nouveau_noaccel)
680 engine->graph.takedown(dev);
681 out_fb:
682 engine->fb.takedown(dev);
683 out_timer:
684 engine->timer.takedown(dev);
685 out_gpio:
686 engine->gpio.takedown(dev);
687 out_mc:
688 engine->mc.takedown(dev);
689 out_gart:
690 nouveau_mem_gart_fini(dev);
691 out_instmem:
692 engine->instmem.takedown(dev);
693 out_gpuobj:
694 nouveau_gpuobj_takedown(dev);
695 out_vram:
696 nouveau_mem_vram_fini(dev);
697 out_bios:
698 nouveau_pm_fini(dev);
699 nouveau_bios_takedown(dev);
700 out_display_early:
701 engine->display.late_takedown(dev);
702 out:
703 vga_client_register(dev->pdev, NULL, NULL, NULL);
704 return ret;
705 }
706
707 static void nouveau_card_takedown(struct drm_device *dev)
708 {
709 struct drm_nouveau_private *dev_priv = dev->dev_private;
710 struct nouveau_engine *engine = &dev_priv->engine;
711
712 nouveau_backlight_exit(dev);
713
714 if (!engine->graph.accel_blocked) {
715 nouveau_fence_fini(dev);
716 nouveau_channel_free(dev_priv->channel);
717 dev_priv->channel = NULL;
718 }
719
720 if (!nouveau_noaccel) {
721 engine->fifo.takedown(dev);
722 engine->graph.takedown(dev);
723 }
724 engine->fb.takedown(dev);
725 engine->timer.takedown(dev);
726 engine->gpio.takedown(dev);
727 engine->mc.takedown(dev);
728 engine->display.late_takedown(dev);
729
730 mutex_lock(&dev->struct_mutex);
731 ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
732 ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
733 mutex_unlock(&dev->struct_mutex);
734 nouveau_mem_gart_fini(dev);
735
736 engine->instmem.takedown(dev);
737 nouveau_gpuobj_takedown(dev);
738 nouveau_mem_vram_fini(dev);
739
740 drm_irq_uninstall(dev);
741
742 nouveau_pm_fini(dev);
743 nouveau_bios_takedown(dev);
744
745 vga_client_register(dev->pdev, NULL, NULL, NULL);
746 }
747
748 /* here a client dies, release the stuff that was allocated for its
749 * file_priv */
750 void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
751 {
752 nouveau_channel_cleanup(dev, file_priv);
753 }
754
755 /* first module load, setup the mmio/fb mapping */
756 /* KMS: we need mmio at load time, not when the first drm client opens. */
757 int nouveau_firstopen(struct drm_device *dev)
758 {
759 return 0;
760 }
761
762 /* if we have an OF card, copy vbios to RAMIN */
763 static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev)
764 {
765 #if defined(__powerpc__)
766 int size, i;
767 const uint32_t *bios;
768 struct device_node *dn = pci_device_to_OF_node(dev->pdev);
769 if (!dn) {
770 NV_INFO(dev, "Unable to get the OF node\n");
771 return;
772 }
773
774 bios = of_get_property(dn, "NVDA,BMP", &size);
775 if (bios) {
776 for (i = 0; i < size; i += 4)
777 nv_wi32(dev, i, bios[i/4]);
778 NV_INFO(dev, "OF bios successfully copied (%d bytes)\n", size);
779 } else {
780 NV_INFO(dev, "Unable to get the OF bios\n");
781 }
782 #endif
783 }
784
785 static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
786 {
787 struct pci_dev *pdev = dev->pdev;
788 struct apertures_struct *aper = alloc_apertures(3);
789 if (!aper)
790 return NULL;
791
792 aper->ranges[0].base = pci_resource_start(pdev, 1);
793 aper->ranges[0].size = pci_resource_len(pdev, 1);
794 aper->count = 1;
795
796 if (pci_resource_len(pdev, 2)) {
797 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
798 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
799 aper->count++;
800 }
801
802 if (pci_resource_len(pdev, 3)) {
803 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
804 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
805 aper->count++;
806 }
807
808 return aper;
809 }
810
811 static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
812 {
813 struct drm_nouveau_private *dev_priv = dev->dev_private;
814 bool primary = false;
815 dev_priv->apertures = nouveau_get_apertures(dev);
816 if (!dev_priv->apertures)
817 return -ENOMEM;
818
819 #ifdef CONFIG_X86
820 primary = dev->pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
821 #endif
822
823 remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb", primary);
824 return 0;
825 }
826
827 int nouveau_load(struct drm_device *dev, unsigned long flags)
828 {
829 struct drm_nouveau_private *dev_priv;
830 uint32_t reg0;
831 resource_size_t mmio_start_offs;
832 int ret;
833
834 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
835 if (!dev_priv) {
836 ret = -ENOMEM;
837 goto err_out;
838 }
839 dev->dev_private = dev_priv;
840 dev_priv->dev = dev;
841
842 dev_priv->flags = flags & NOUVEAU_FLAGS;
843
844 NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n",
845 dev->pci_vendor, dev->pci_device, dev->pdev->class);
846
847 dev_priv->wq = create_workqueue("nouveau");
848 if (!dev_priv->wq) {
849 ret = -EINVAL;
850 goto err_priv;
851 }
852
853 /* resource 0 is mmio regs */
854 /* resource 1 is linear FB */
855 /* resource 2 is RAMIN (mmio regs + 0x1000000) */
856 /* resource 6 is bios */
857
858 /* map the mmio regs */
859 mmio_start_offs = pci_resource_start(dev->pdev, 0);
860 dev_priv->mmio = ioremap(mmio_start_offs, 0x00800000);
861 if (!dev_priv->mmio) {
862 NV_ERROR(dev, "Unable to initialize the mmio mapping. "
863 "Please report your setup to " DRIVER_EMAIL "\n");
864 ret = -EINVAL;
865 goto err_wq;
866 }
867 NV_DEBUG(dev, "regs mapped ok at 0x%llx\n",
868 (unsigned long long)mmio_start_offs);
869
870 #ifdef __BIG_ENDIAN
871 /* Put the card in BE mode if it's not */
872 if (nv_rd32(dev, NV03_PMC_BOOT_1))
873 nv_wr32(dev, NV03_PMC_BOOT_1, 0x00000001);
874
875 DRM_MEMORYBARRIER();
876 #endif
877
878 /* Time to determine the card architecture */
879 reg0 = nv_rd32(dev, NV03_PMC_BOOT_0);
880
881 /* We're dealing with >=NV10 */
882 if ((reg0 & 0x0f000000) > 0) {
883 /* Bit 27-20 contain the architecture in hex */
884 dev_priv->chipset = (reg0 & 0xff00000) >> 20;
885 /* NV04 or NV05 */
886 } else if ((reg0 & 0xff00fff0) == 0x20004000) {
887 if (reg0 & 0x00f00000)
888 dev_priv->chipset = 0x05;
889 else
890 dev_priv->chipset = 0x04;
891 } else
892 dev_priv->chipset = 0xff;
893
894 switch (dev_priv->chipset & 0xf0) {
895 case 0x00:
896 case 0x10:
897 case 0x20:
898 case 0x30:
899 dev_priv->card_type = dev_priv->chipset & 0xf0;
900 break;
901 case 0x40:
902 case 0x60:
903 dev_priv->card_type = NV_40;
904 break;
905 case 0x50:
906 case 0x80:
907 case 0x90:
908 case 0xa0:
909 dev_priv->card_type = NV_50;
910 break;
911 case 0xc0:
912 dev_priv->card_type = NV_C0;
913 break;
914 default:
915 NV_INFO(dev, "Unsupported chipset 0x%08x\n", reg0);
916 ret = -EINVAL;
917 goto err_mmio;
918 }
919
920 NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
921 dev_priv->card_type, reg0);
922
923 ret = nouveau_remove_conflicting_drivers(dev);
924 if (ret)
925 goto err_mmio;
926
927 /* Map PRAMIN BAR, or on older cards, the aperture withing BAR0 */
928 if (dev_priv->card_type >= NV_40) {
929 int ramin_bar = 2;
930 if (pci_resource_len(dev->pdev, ramin_bar) == 0)
931 ramin_bar = 3;
932
933 dev_priv->ramin_size = pci_resource_len(dev->pdev, ramin_bar);
934 dev_priv->ramin =
935 ioremap(pci_resource_start(dev->pdev, ramin_bar),
936 dev_priv->ramin_size);
937 if (!dev_priv->ramin) {
938 NV_ERROR(dev, "Failed to PRAMIN BAR");
939 ret = -ENOMEM;
940 goto err_mmio;
941 }
942 } else {
943 dev_priv->ramin_size = 1 * 1024 * 1024;
944 dev_priv->ramin = ioremap(mmio_start_offs + NV_RAMIN,
945 dev_priv->ramin_size);
946 if (!dev_priv->ramin) {
947 NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");
948 ret = -ENOMEM;
949 goto err_mmio;
950 }
951 }
952
953 nouveau_OF_copy_vbios_to_ramin(dev);
954
955 /* Special flags */
956 if (dev->pci_device == 0x01a0)
957 dev_priv->flags |= NV_NFORCE;
958 else if (dev->pci_device == 0x01f0)
959 dev_priv->flags |= NV_NFORCE2;
960
961 /* For kernel modesetting, init card now and bring up fbcon */
962 ret = nouveau_card_init(dev);
963 if (ret)
964 goto err_ramin;
965
966 return 0;
967
968 err_ramin:
969 iounmap(dev_priv->ramin);
970 err_mmio:
971 iounmap(dev_priv->mmio);
972 err_wq:
973 destroy_workqueue(dev_priv->wq);
974 err_priv:
975 kfree(dev_priv);
976 dev->dev_private = NULL;
977 err_out:
978 return ret;
979 }
980
981 void nouveau_lastclose(struct drm_device *dev)
982 {
983 }
984
985 int nouveau_unload(struct drm_device *dev)
986 {
987 struct drm_nouveau_private *dev_priv = dev->dev_private;
988 struct nouveau_engine *engine = &dev_priv->engine;
989
990 drm_kms_helper_poll_fini(dev);
991 nouveau_fbcon_fini(dev);
992 engine->display.destroy(dev);
993 nouveau_card_takedown(dev);
994
995 iounmap(dev_priv->mmio);
996 iounmap(dev_priv->ramin);
997
998 kfree(dev_priv);
999 dev->dev_private = NULL;
1000 return 0;
1001 }
1002
1003 int nouveau_ioctl_getparam(struct drm_device *dev, void *data,
1004 struct drm_file *file_priv)
1005 {
1006 struct drm_nouveau_private *dev_priv = dev->dev_private;
1007 struct drm_nouveau_getparam *getparam = data;
1008
1009 switch (getparam->param) {
1010 case NOUVEAU_GETPARAM_CHIPSET_ID:
1011 getparam->value = dev_priv->chipset;
1012 break;
1013 case NOUVEAU_GETPARAM_PCI_VENDOR:
1014 getparam->value = dev->pci_vendor;
1015 break;
1016 case NOUVEAU_GETPARAM_PCI_DEVICE:
1017 getparam->value = dev->pci_device;
1018 break;
1019 case NOUVEAU_GETPARAM_BUS_TYPE:
1020 if (drm_device_is_agp(dev))
1021 getparam->value = NV_AGP;
1022 else if (drm_device_is_pcie(dev))
1023 getparam->value = NV_PCIE;
1024 else
1025 getparam->value = NV_PCI;
1026 break;
1027 case NOUVEAU_GETPARAM_FB_PHYSICAL:
1028 getparam->value = dev_priv->fb_phys;
1029 break;
1030 case NOUVEAU_GETPARAM_AGP_PHYSICAL:
1031 getparam->value = dev_priv->gart_info.aper_base;
1032 break;
1033 case NOUVEAU_GETPARAM_PCI_PHYSICAL:
1034 if (dev->sg) {
1035 getparam->value = (unsigned long)dev->sg->virtual;
1036 } else {
1037 NV_ERROR(dev, "Requested PCIGART address, "
1038 "while no PCIGART was created\n");
1039 return -EINVAL;
1040 }
1041 break;
1042 case NOUVEAU_GETPARAM_FB_SIZE:
1043 getparam->value = dev_priv->fb_available_size;
1044 break;
1045 case NOUVEAU_GETPARAM_AGP_SIZE:
1046 getparam->value = dev_priv->gart_info.aper_size;
1047 break;
1048 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
1049 getparam->value = dev_priv->vm_vram_base;
1050 break;
1051 case NOUVEAU_GETPARAM_PTIMER_TIME:
1052 getparam->value = dev_priv->engine.timer.read(dev);
1053 break;
1054 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
1055 getparam->value = 1;
1056 break;
1057 case NOUVEAU_GETPARAM_GRAPH_UNITS:
1058 /* NV40 and NV50 versions are quite different, but register
1059 * address is the same. User is supposed to know the card
1060 * family anyway... */
1061 if (dev_priv->chipset >= 0x40) {
1062 getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS);
1063 break;
1064 }
1065 /* FALLTHRU */
1066 default:
1067 NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param);
1068 return -EINVAL;
1069 }
1070
1071 return 0;
1072 }
1073
1074 int
1075 nouveau_ioctl_setparam(struct drm_device *dev, void *data,
1076 struct drm_file *file_priv)
1077 {
1078 struct drm_nouveau_setparam *setparam = data;
1079
1080 switch (setparam->param) {
1081 default:
1082 NV_DEBUG(dev, "unknown parameter %lld\n", setparam->param);
1083 return -EINVAL;
1084 }
1085
1086 return 0;
1087 }
1088
1089 /* Wait until (value(reg) & mask) == val, up until timeout has hit */
1090 bool nouveau_wait_until(struct drm_device *dev, uint64_t timeout,
1091 uint32_t reg, uint32_t mask, uint32_t val)
1092 {
1093 struct drm_nouveau_private *dev_priv = dev->dev_private;
1094 struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1095 uint64_t start = ptimer->read(dev);
1096
1097 do {
1098 if ((nv_rd32(dev, reg) & mask) == val)
1099 return true;
1100 } while (ptimer->read(dev) - start < timeout);
1101
1102 return false;
1103 }
1104
1105 /* Waits for PGRAPH to go completely idle */
1106 bool nouveau_wait_for_idle(struct drm_device *dev)
1107 {
1108 if (!nv_wait(dev, NV04_PGRAPH_STATUS, 0xffffffff, 0x00000000)) {
1109 NV_ERROR(dev, "PGRAPH idle timed out with status 0x%08x\n",
1110 nv_rd32(dev, NV04_PGRAPH_STATUS));
1111 return false;
1112 }
1113
1114 return true;
1115 }
1116
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