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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / gpu / drm / nouveau / nouveau_state.c
blobf80c5e0762ff90b4c29ec186ee1c5c4017f2fc7d
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_gpio.h"
40 #include "nouveau_pm.h"
41 #include "nv50_display.h"
42
43 static void nouveau_stub_takedown(struct drm_device *dev) {}
44 static int nouveau_stub_init(struct drm_device *dev) { return 0; }
45
46 static int nouveau_init_engine_ptrs(struct drm_device *dev)
47 {
48 struct drm_nouveau_private *dev_priv = dev->dev_private;
49 struct nouveau_engine *engine = &dev_priv->engine;
50
51 switch (dev_priv->chipset & 0xf0) {
52 case 0x00:
53 engine->instmem.init = nv04_instmem_init;
54 engine->instmem.takedown = nv04_instmem_takedown;
55 engine->instmem.suspend = nv04_instmem_suspend;
56 engine->instmem.resume = nv04_instmem_resume;
57 engine->instmem.get = nv04_instmem_get;
58 engine->instmem.put = nv04_instmem_put;
59 engine->instmem.map = nv04_instmem_map;
60 engine->instmem.unmap = nv04_instmem_unmap;
61 engine->instmem.flush = nv04_instmem_flush;
62 engine->mc.init = nv04_mc_init;
63 engine->mc.takedown = nv04_mc_takedown;
64 engine->timer.init = nv04_timer_init;
65 engine->timer.read = nv04_timer_read;
66 engine->timer.takedown = nv04_timer_takedown;
67 engine->fb.init = nv04_fb_init;
68 engine->fb.takedown = nv04_fb_takedown;
69 engine->fifo.channels = 16;
70 engine->fifo.init = nv04_fifo_init;
71 engine->fifo.takedown = nv04_fifo_fini;
72 engine->fifo.disable = nv04_fifo_disable;
73 engine->fifo.enable = nv04_fifo_enable;
74 engine->fifo.reassign = nv04_fifo_reassign;
75 engine->fifo.cache_pull = nv04_fifo_cache_pull;
76 engine->fifo.channel_id = nv04_fifo_channel_id;
77 engine->fifo.create_context = nv04_fifo_create_context;
78 engine->fifo.destroy_context = nv04_fifo_destroy_context;
79 engine->fifo.load_context = nv04_fifo_load_context;
80 engine->fifo.unload_context = nv04_fifo_unload_context;
81 engine->display.early_init = nv04_display_early_init;
82 engine->display.late_takedown = nv04_display_late_takedown;
83 engine->display.create = nv04_display_create;
84 engine->display.destroy = nv04_display_destroy;
85 engine->display.init = nv04_display_init;
86 engine->display.fini = nv04_display_fini;
87 engine->pm.clocks_get = nv04_pm_clocks_get;
88 engine->pm.clocks_pre = nv04_pm_clocks_pre;
89 engine->pm.clocks_set = nv04_pm_clocks_set;
90 engine->vram.init = nouveau_mem_detect;
91 engine->vram.takedown = nouveau_stub_takedown;
92 engine->vram.flags_valid = nouveau_mem_flags_valid;
93 break;
94 case 0x10:
95 engine->instmem.init = nv04_instmem_init;
96 engine->instmem.takedown = nv04_instmem_takedown;
97 engine->instmem.suspend = nv04_instmem_suspend;
98 engine->instmem.resume = nv04_instmem_resume;
99 engine->instmem.get = nv04_instmem_get;
100 engine->instmem.put = nv04_instmem_put;
101 engine->instmem.map = nv04_instmem_map;
102 engine->instmem.unmap = nv04_instmem_unmap;
103 engine->instmem.flush = nv04_instmem_flush;
104 engine->mc.init = nv04_mc_init;
105 engine->mc.takedown = nv04_mc_takedown;
106 engine->timer.init = nv04_timer_init;
107 engine->timer.read = nv04_timer_read;
108 engine->timer.takedown = nv04_timer_takedown;
109 engine->fb.init = nv10_fb_init;
110 engine->fb.takedown = nv10_fb_takedown;
111 engine->fb.init_tile_region = nv10_fb_init_tile_region;
112 engine->fb.set_tile_region = nv10_fb_set_tile_region;
113 engine->fb.free_tile_region = nv10_fb_free_tile_region;
114 engine->fifo.channels = 32;
115 engine->fifo.init = nv10_fifo_init;
116 engine->fifo.takedown = nv04_fifo_fini;
117 engine->fifo.disable = nv04_fifo_disable;
118 engine->fifo.enable = nv04_fifo_enable;
119 engine->fifo.reassign = nv04_fifo_reassign;
120 engine->fifo.cache_pull = nv04_fifo_cache_pull;
121 engine->fifo.channel_id = nv10_fifo_channel_id;
122 engine->fifo.create_context = nv10_fifo_create_context;
123 engine->fifo.destroy_context = nv04_fifo_destroy_context;
124 engine->fifo.load_context = nv10_fifo_load_context;
125 engine->fifo.unload_context = nv10_fifo_unload_context;
126 engine->display.early_init = nv04_display_early_init;
127 engine->display.late_takedown = nv04_display_late_takedown;
128 engine->display.create = nv04_display_create;
129 engine->display.destroy = nv04_display_destroy;
130 engine->display.init = nv04_display_init;
131 engine->display.fini = nv04_display_fini;
132 engine->gpio.drive = nv10_gpio_drive;
133 engine->gpio.sense = nv10_gpio_sense;
134 engine->pm.clocks_get = nv04_pm_clocks_get;
135 engine->pm.clocks_pre = nv04_pm_clocks_pre;
136 engine->pm.clocks_set = nv04_pm_clocks_set;
137 engine->vram.init = nouveau_mem_detect;
138 engine->vram.takedown = nouveau_stub_takedown;
139 engine->vram.flags_valid = nouveau_mem_flags_valid;
140 break;
141 case 0x20:
142 engine->instmem.init = nv04_instmem_init;
143 engine->instmem.takedown = nv04_instmem_takedown;
144 engine->instmem.suspend = nv04_instmem_suspend;
145 engine->instmem.resume = nv04_instmem_resume;
146 engine->instmem.get = nv04_instmem_get;
147 engine->instmem.put = nv04_instmem_put;
148 engine->instmem.map = nv04_instmem_map;
149 engine->instmem.unmap = nv04_instmem_unmap;
150 engine->instmem.flush = nv04_instmem_flush;
151 engine->mc.init = nv04_mc_init;
152 engine->mc.takedown = nv04_mc_takedown;
153 engine->timer.init = nv04_timer_init;
154 engine->timer.read = nv04_timer_read;
155 engine->timer.takedown = nv04_timer_takedown;
156 engine->fb.init = nv10_fb_init;
157 engine->fb.takedown = nv10_fb_takedown;
158 engine->fb.init_tile_region = nv10_fb_init_tile_region;
159 engine->fb.set_tile_region = nv10_fb_set_tile_region;
160 engine->fb.free_tile_region = nv10_fb_free_tile_region;
161 engine->fifo.channels = 32;
162 engine->fifo.init = nv10_fifo_init;
163 engine->fifo.takedown = nv04_fifo_fini;
164 engine->fifo.disable = nv04_fifo_disable;
165 engine->fifo.enable = nv04_fifo_enable;
166 engine->fifo.reassign = nv04_fifo_reassign;
167 engine->fifo.cache_pull = nv04_fifo_cache_pull;
168 engine->fifo.channel_id = nv10_fifo_channel_id;
169 engine->fifo.create_context = nv10_fifo_create_context;
170 engine->fifo.destroy_context = nv04_fifo_destroy_context;
171 engine->fifo.load_context = nv10_fifo_load_context;
172 engine->fifo.unload_context = nv10_fifo_unload_context;
173 engine->display.early_init = nv04_display_early_init;
174 engine->display.late_takedown = nv04_display_late_takedown;
175 engine->display.create = nv04_display_create;
176 engine->display.destroy = nv04_display_destroy;
177 engine->display.init = nv04_display_init;
178 engine->display.fini = nv04_display_fini;
179 engine->gpio.drive = nv10_gpio_drive;
180 engine->gpio.sense = nv10_gpio_sense;
181 engine->pm.clocks_get = nv04_pm_clocks_get;
182 engine->pm.clocks_pre = nv04_pm_clocks_pre;
183 engine->pm.clocks_set = nv04_pm_clocks_set;
184 engine->vram.init = nouveau_mem_detect;
185 engine->vram.takedown = nouveau_stub_takedown;
186 engine->vram.flags_valid = nouveau_mem_flags_valid;
187 break;
188 case 0x30:
189 engine->instmem.init = nv04_instmem_init;
190 engine->instmem.takedown = nv04_instmem_takedown;
191 engine->instmem.suspend = nv04_instmem_suspend;
192 engine->instmem.resume = nv04_instmem_resume;
193 engine->instmem.get = nv04_instmem_get;
194 engine->instmem.put = nv04_instmem_put;
195 engine->instmem.map = nv04_instmem_map;
196 engine->instmem.unmap = nv04_instmem_unmap;
197 engine->instmem.flush = nv04_instmem_flush;
198 engine->mc.init = nv04_mc_init;
199 engine->mc.takedown = nv04_mc_takedown;
200 engine->timer.init = nv04_timer_init;
201 engine->timer.read = nv04_timer_read;
202 engine->timer.takedown = nv04_timer_takedown;
203 engine->fb.init = nv30_fb_init;
204 engine->fb.takedown = nv30_fb_takedown;
205 engine->fb.init_tile_region = nv30_fb_init_tile_region;
206 engine->fb.set_tile_region = nv10_fb_set_tile_region;
207 engine->fb.free_tile_region = nv30_fb_free_tile_region;
208 engine->fifo.channels = 32;
209 engine->fifo.init = nv10_fifo_init;
210 engine->fifo.takedown = nv04_fifo_fini;
211 engine->fifo.disable = nv04_fifo_disable;
212 engine->fifo.enable = nv04_fifo_enable;
213 engine->fifo.reassign = nv04_fifo_reassign;
214 engine->fifo.cache_pull = nv04_fifo_cache_pull;
215 engine->fifo.channel_id = nv10_fifo_channel_id;
216 engine->fifo.create_context = nv10_fifo_create_context;
217 engine->fifo.destroy_context = nv04_fifo_destroy_context;
218 engine->fifo.load_context = nv10_fifo_load_context;
219 engine->fifo.unload_context = nv10_fifo_unload_context;
220 engine->display.early_init = nv04_display_early_init;
221 engine->display.late_takedown = nv04_display_late_takedown;
222 engine->display.create = nv04_display_create;
223 engine->display.destroy = nv04_display_destroy;
224 engine->display.init = nv04_display_init;
225 engine->display.fini = nv04_display_fini;
226 engine->gpio.drive = nv10_gpio_drive;
227 engine->gpio.sense = nv10_gpio_sense;
228 engine->pm.clocks_get = nv04_pm_clocks_get;
229 engine->pm.clocks_pre = nv04_pm_clocks_pre;
230 engine->pm.clocks_set = nv04_pm_clocks_set;
231 engine->pm.voltage_get = nouveau_voltage_gpio_get;
232 engine->pm.voltage_set = nouveau_voltage_gpio_set;
233 engine->vram.init = nouveau_mem_detect;
234 engine->vram.takedown = nouveau_stub_takedown;
235 engine->vram.flags_valid = nouveau_mem_flags_valid;
236 break;
237 case 0x40:
238 case 0x60:
239 engine->instmem.init = nv04_instmem_init;
240 engine->instmem.takedown = nv04_instmem_takedown;
241 engine->instmem.suspend = nv04_instmem_suspend;
242 engine->instmem.resume = nv04_instmem_resume;
243 engine->instmem.get = nv04_instmem_get;
244 engine->instmem.put = nv04_instmem_put;
245 engine->instmem.map = nv04_instmem_map;
246 engine->instmem.unmap = nv04_instmem_unmap;
247 engine->instmem.flush = nv04_instmem_flush;
248 engine->mc.init = nv40_mc_init;
249 engine->mc.takedown = nv40_mc_takedown;
250 engine->timer.init = nv04_timer_init;
251 engine->timer.read = nv04_timer_read;
252 engine->timer.takedown = nv04_timer_takedown;
253 engine->fb.init = nv40_fb_init;
254 engine->fb.takedown = nv40_fb_takedown;
255 engine->fb.init_tile_region = nv30_fb_init_tile_region;
256 engine->fb.set_tile_region = nv40_fb_set_tile_region;
257 engine->fb.free_tile_region = nv30_fb_free_tile_region;
258 engine->fifo.channels = 32;
259 engine->fifo.init = nv40_fifo_init;
260 engine->fifo.takedown = nv04_fifo_fini;
261 engine->fifo.disable = nv04_fifo_disable;
262 engine->fifo.enable = nv04_fifo_enable;
263 engine->fifo.reassign = nv04_fifo_reassign;
264 engine->fifo.cache_pull = nv04_fifo_cache_pull;
265 engine->fifo.channel_id = nv10_fifo_channel_id;
266 engine->fifo.create_context = nv40_fifo_create_context;
267 engine->fifo.destroy_context = nv04_fifo_destroy_context;
268 engine->fifo.load_context = nv40_fifo_load_context;
269 engine->fifo.unload_context = nv40_fifo_unload_context;
270 engine->display.early_init = nv04_display_early_init;
271 engine->display.late_takedown = nv04_display_late_takedown;
272 engine->display.create = nv04_display_create;
273 engine->display.destroy = nv04_display_destroy;
274 engine->display.init = nv04_display_init;
275 engine->display.fini = nv04_display_fini;
276 engine->gpio.init = nv10_gpio_init;
277 engine->gpio.fini = nv10_gpio_fini;
278 engine->gpio.drive = nv10_gpio_drive;
279 engine->gpio.sense = nv10_gpio_sense;
280 engine->gpio.irq_enable = nv10_gpio_irq_enable;
281 engine->pm.clocks_get = nv40_pm_clocks_get;
282 engine->pm.clocks_pre = nv40_pm_clocks_pre;
283 engine->pm.clocks_set = nv40_pm_clocks_set;
284 engine->pm.voltage_get = nouveau_voltage_gpio_get;
285 engine->pm.voltage_set = nouveau_voltage_gpio_set;
286 engine->pm.temp_get = nv40_temp_get;
287 engine->pm.pwm_get = nv40_pm_pwm_get;
288 engine->pm.pwm_set = nv40_pm_pwm_set;
289 engine->vram.init = nouveau_mem_detect;
290 engine->vram.takedown = nouveau_stub_takedown;
291 engine->vram.flags_valid = nouveau_mem_flags_valid;
292 break;
293 case 0x50:
294 case 0x80: /* gotta love NVIDIA's consistency.. */
295 case 0x90:
296 case 0xa0:
297 engine->instmem.init = nv50_instmem_init;
298 engine->instmem.takedown = nv50_instmem_takedown;
299 engine->instmem.suspend = nv50_instmem_suspend;
300 engine->instmem.resume = nv50_instmem_resume;
301 engine->instmem.get = nv50_instmem_get;
302 engine->instmem.put = nv50_instmem_put;
303 engine->instmem.map = nv50_instmem_map;
304 engine->instmem.unmap = nv50_instmem_unmap;
305 if (dev_priv->chipset == 0x50)
306 engine->instmem.flush = nv50_instmem_flush;
307 else
308 engine->instmem.flush = nv84_instmem_flush;
309 engine->mc.init = nv50_mc_init;
310 engine->mc.takedown = nv50_mc_takedown;
311 engine->timer.init = nv04_timer_init;
312 engine->timer.read = nv04_timer_read;
313 engine->timer.takedown = nv04_timer_takedown;
314 engine->fb.init = nv50_fb_init;
315 engine->fb.takedown = nv50_fb_takedown;
316 engine->fifo.channels = 128;
317 engine->fifo.init = nv50_fifo_init;
318 engine->fifo.takedown = nv50_fifo_takedown;
319 engine->fifo.disable = nv04_fifo_disable;
320 engine->fifo.enable = nv04_fifo_enable;
321 engine->fifo.reassign = nv04_fifo_reassign;
322 engine->fifo.channel_id = nv50_fifo_channel_id;
323 engine->fifo.create_context = nv50_fifo_create_context;
324 engine->fifo.destroy_context = nv50_fifo_destroy_context;
325 engine->fifo.load_context = nv50_fifo_load_context;
326 engine->fifo.unload_context = nv50_fifo_unload_context;
327 engine->fifo.tlb_flush = nv50_fifo_tlb_flush;
328 engine->display.early_init = nv50_display_early_init;
329 engine->display.late_takedown = nv50_display_late_takedown;
330 engine->display.create = nv50_display_create;
331 engine->display.destroy = nv50_display_destroy;
332 engine->display.init = nv50_display_init;
333 engine->display.fini = nv50_display_fini;
334 engine->gpio.init = nv50_gpio_init;
335 engine->gpio.fini = nv50_gpio_fini;
336 engine->gpio.drive = nv50_gpio_drive;
337 engine->gpio.sense = nv50_gpio_sense;
338 engine->gpio.irq_enable = nv50_gpio_irq_enable;
339 switch (dev_priv->chipset) {
340 case 0x84:
341 case 0x86:
342 case 0x92:
343 case 0x94:
344 case 0x96:
345 case 0x98:
346 case 0xa0:
347 case 0xaa:
348 case 0xac:
349 case 0x50:
350 engine->pm.clocks_get = nv50_pm_clocks_get;
351 engine->pm.clocks_pre = nv50_pm_clocks_pre;
352 engine->pm.clocks_set = nv50_pm_clocks_set;
353 break;
354 default:
355 engine->pm.clocks_get = nva3_pm_clocks_get;
356 engine->pm.clocks_pre = nva3_pm_clocks_pre;
357 engine->pm.clocks_set = nva3_pm_clocks_set;
358 break;
359 }
360 engine->pm.voltage_get = nouveau_voltage_gpio_get;
361 engine->pm.voltage_set = nouveau_voltage_gpio_set;
362 if (dev_priv->chipset >= 0x84)
363 engine->pm.temp_get = nv84_temp_get;
364 else
365 engine->pm.temp_get = nv40_temp_get;
366 engine->pm.pwm_get = nv50_pm_pwm_get;
367 engine->pm.pwm_set = nv50_pm_pwm_set;
368 engine->vram.init = nv50_vram_init;
369 engine->vram.takedown = nv50_vram_fini;
370 engine->vram.get = nv50_vram_new;
371 engine->vram.put = nv50_vram_del;
372 engine->vram.flags_valid = nv50_vram_flags_valid;
373 break;
374 case 0xc0:
375 engine->instmem.init = nvc0_instmem_init;
376 engine->instmem.takedown = nvc0_instmem_takedown;
377 engine->instmem.suspend = nvc0_instmem_suspend;
378 engine->instmem.resume = nvc0_instmem_resume;
379 engine->instmem.get = nv50_instmem_get;
380 engine->instmem.put = nv50_instmem_put;
381 engine->instmem.map = nv50_instmem_map;
382 engine->instmem.unmap = nv50_instmem_unmap;
383 engine->instmem.flush = nv84_instmem_flush;
384 engine->mc.init = nv50_mc_init;
385 engine->mc.takedown = nv50_mc_takedown;
386 engine->timer.init = nv04_timer_init;
387 engine->timer.read = nv04_timer_read;
388 engine->timer.takedown = nv04_timer_takedown;
389 engine->fb.init = nvc0_fb_init;
390 engine->fb.takedown = nvc0_fb_takedown;
391 engine->fifo.channels = 128;
392 engine->fifo.init = nvc0_fifo_init;
393 engine->fifo.takedown = nvc0_fifo_takedown;
394 engine->fifo.disable = nvc0_fifo_disable;
395 engine->fifo.enable = nvc0_fifo_enable;
396 engine->fifo.reassign = nvc0_fifo_reassign;
397 engine->fifo.channel_id = nvc0_fifo_channel_id;
398 engine->fifo.create_context = nvc0_fifo_create_context;
399 engine->fifo.destroy_context = nvc0_fifo_destroy_context;
400 engine->fifo.load_context = nvc0_fifo_load_context;
401 engine->fifo.unload_context = nvc0_fifo_unload_context;
402 engine->display.early_init = nv50_display_early_init;
403 engine->display.late_takedown = nv50_display_late_takedown;
404 engine->display.create = nv50_display_create;
405 engine->display.destroy = nv50_display_destroy;
406 engine->display.init = nv50_display_init;
407 engine->display.fini = nv50_display_fini;
408 engine->gpio.init = nv50_gpio_init;
409 engine->gpio.fini = nv50_gpio_fini;
410 engine->gpio.drive = nv50_gpio_drive;
411 engine->gpio.sense = nv50_gpio_sense;
412 engine->gpio.irq_enable = nv50_gpio_irq_enable;
413 engine->vram.init = nvc0_vram_init;
414 engine->vram.takedown = nv50_vram_fini;
415 engine->vram.get = nvc0_vram_new;
416 engine->vram.put = nv50_vram_del;
417 engine->vram.flags_valid = nvc0_vram_flags_valid;
418 engine->pm.temp_get = nv84_temp_get;
419 engine->pm.clocks_get = nvc0_pm_clocks_get;
420 engine->pm.clocks_pre = nvc0_pm_clocks_pre;
421 engine->pm.clocks_set = nvc0_pm_clocks_set;
422 engine->pm.voltage_get = nouveau_voltage_gpio_get;
423 engine->pm.voltage_set = nouveau_voltage_gpio_set;
424 engine->pm.pwm_get = nv50_pm_pwm_get;
425 engine->pm.pwm_set = nv50_pm_pwm_set;
426 break;
427 case 0xd0:
428 engine->instmem.init = nvc0_instmem_init;
429 engine->instmem.takedown = nvc0_instmem_takedown;
430 engine->instmem.suspend = nvc0_instmem_suspend;
431 engine->instmem.resume = nvc0_instmem_resume;
432 engine->instmem.get = nv50_instmem_get;
433 engine->instmem.put = nv50_instmem_put;
434 engine->instmem.map = nv50_instmem_map;
435 engine->instmem.unmap = nv50_instmem_unmap;
436 engine->instmem.flush = nv84_instmem_flush;
437 engine->mc.init = nv50_mc_init;
438 engine->mc.takedown = nv50_mc_takedown;
439 engine->timer.init = nv04_timer_init;
440 engine->timer.read = nv04_timer_read;
441 engine->timer.takedown = nv04_timer_takedown;
442 engine->fb.init = nvc0_fb_init;
443 engine->fb.takedown = nvc0_fb_takedown;
444 engine->fifo.channels = 128;
445 engine->fifo.init = nvc0_fifo_init;
446 engine->fifo.takedown = nvc0_fifo_takedown;
447 engine->fifo.disable = nvc0_fifo_disable;
448 engine->fifo.enable = nvc0_fifo_enable;
449 engine->fifo.reassign = nvc0_fifo_reassign;
450 engine->fifo.channel_id = nvc0_fifo_channel_id;
451 engine->fifo.create_context = nvc0_fifo_create_context;
452 engine->fifo.destroy_context = nvc0_fifo_destroy_context;
453 engine->fifo.load_context = nvc0_fifo_load_context;
454 engine->fifo.unload_context = nvc0_fifo_unload_context;
455 engine->display.early_init = nouveau_stub_init;
456 engine->display.late_takedown = nouveau_stub_takedown;
457 engine->display.create = nvd0_display_create;
458 engine->display.destroy = nvd0_display_destroy;
459 engine->display.init = nvd0_display_init;
460 engine->display.fini = nvd0_display_fini;
461 engine->gpio.init = nv50_gpio_init;
462 engine->gpio.fini = nv50_gpio_fini;
463 engine->gpio.drive = nvd0_gpio_drive;
464 engine->gpio.sense = nvd0_gpio_sense;
465 engine->gpio.irq_enable = nv50_gpio_irq_enable;
466 engine->vram.init = nvc0_vram_init;
467 engine->vram.takedown = nv50_vram_fini;
468 engine->vram.get = nvc0_vram_new;
469 engine->vram.put = nv50_vram_del;
470 engine->vram.flags_valid = nvc0_vram_flags_valid;
471 engine->pm.temp_get = nv84_temp_get;
472 engine->pm.clocks_get = nvc0_pm_clocks_get;
473 engine->pm.clocks_pre = nvc0_pm_clocks_pre;
474 engine->pm.clocks_set = nvc0_pm_clocks_set;
475 engine->pm.voltage_get = nouveau_voltage_gpio_get;
476 engine->pm.voltage_set = nouveau_voltage_gpio_set;
477 break;
478 default:
479 NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset);
480 return 1;
481 }
482
483 /* headless mode */
484 if (nouveau_modeset == 2) {
485 engine->display.early_init = nouveau_stub_init;
486 engine->display.late_takedown = nouveau_stub_takedown;
487 engine->display.create = nouveau_stub_init;
488 engine->display.init = nouveau_stub_init;
489 engine->display.destroy = nouveau_stub_takedown;
490 }
491
492 return 0;
493 }
494
495 static unsigned int
496 nouveau_vga_set_decode(void *priv, bool state)
497 {
498 struct drm_device *dev = priv;
499 struct drm_nouveau_private *dev_priv = dev->dev_private;
500
501 if (dev_priv->chipset >= 0x40)
502 nv_wr32(dev, 0x88054, state);
503 else
504 nv_wr32(dev, 0x1854, state);
505
506 if (state)
507 return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
508 VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
509 else
510 return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
511 }
512
513 static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
514 enum vga_switcheroo_state state)
515 {
516 struct drm_device *dev = pci_get_drvdata(pdev);
517 pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
518 if (state == VGA_SWITCHEROO_ON) {
519 printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
520 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
521 nouveau_pci_resume(pdev);
522 drm_kms_helper_poll_enable(dev);
523 dev->switch_power_state = DRM_SWITCH_POWER_ON;
524 } else {
525 printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
526 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
527 drm_kms_helper_poll_disable(dev);
528 nouveau_switcheroo_optimus_dsm();
529 nouveau_pci_suspend(pdev, pmm);
530 dev->switch_power_state = DRM_SWITCH_POWER_OFF;
531 }
532 }
533
534 static void nouveau_switcheroo_reprobe(struct pci_dev *pdev)
535 {
536 struct drm_device *dev = pci_get_drvdata(pdev);
537 nouveau_fbcon_output_poll_changed(dev);
538 }
539
540 static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
541 {
542 struct drm_device *dev = pci_get_drvdata(pdev);
543 bool can_switch;
544
545 spin_lock(&dev->count_lock);
546 can_switch = (dev->open_count == 0);
547 spin_unlock(&dev->count_lock);
548 return can_switch;
549 }
550
551 int
552 nouveau_card_init(struct drm_device *dev)
553 {
554 struct drm_nouveau_private *dev_priv = dev->dev_private;
555 struct nouveau_engine *engine;
556 int ret, e = 0;
557
558 vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
559 vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
560 nouveau_switcheroo_reprobe,
561 nouveau_switcheroo_can_switch);
562
563 /* Initialise internal driver API hooks */
564 ret = nouveau_init_engine_ptrs(dev);
565 if (ret)
566 goto out;
567 engine = &dev_priv->engine;
568 spin_lock_init(&dev_priv->channels.lock);
569 spin_lock_init(&dev_priv->tile.lock);
570 spin_lock_init(&dev_priv->context_switch_lock);
571 spin_lock_init(&dev_priv->vm_lock);
572
573 /* Make the CRTCs and I2C buses accessible */
574 ret = engine->display.early_init(dev);
575 if (ret)
576 goto out;
577
578 /* Parse BIOS tables / Run init tables if card not POSTed */
579 ret = nouveau_bios_init(dev);
580 if (ret)
581 goto out_display_early;
582
583 /* workaround an odd issue on nvc1 by disabling the device's
584 * nosnoop capability. hopefully won't cause issues until a
585 * better fix is found - assuming there is one...
586 */
587 if (dev_priv->chipset == 0xc1) {
588 nv_mask(dev, 0x00088080, 0x00000800, 0x00000000);
589 }
590
591 nouveau_pm_init(dev);
592
593 ret = engine->vram.init(dev);
594 if (ret)
595 goto out_bios;
596
597 ret = nouveau_gpuobj_init(dev);
598 if (ret)
599 goto out_vram;
600
601 ret = engine->instmem.init(dev);
602 if (ret)
603 goto out_gpuobj;
604
605 ret = nouveau_mem_vram_init(dev);
606 if (ret)
607 goto out_instmem;
608
609 ret = nouveau_mem_gart_init(dev);
610 if (ret)
611 goto out_ttmvram;
612
613 /* PMC */
614 ret = engine->mc.init(dev);
615 if (ret)
616 goto out_gart;
617
618 /* PGPIO */
619 ret = nouveau_gpio_create(dev);
620 if (ret)
621 goto out_mc;
622
623 /* PTIMER */
624 ret = engine->timer.init(dev);
625 if (ret)
626 goto out_gpio;
627
628 /* PFB */
629 ret = engine->fb.init(dev);
630 if (ret)
631 goto out_timer;
632
633 if (!dev_priv->noaccel) {
634 switch (dev_priv->card_type) {
635 case NV_04:
636 nv04_graph_create(dev);
637 break;
638 case NV_10:
639 nv10_graph_create(dev);
640 break;
641 case NV_20:
642 case NV_30:
643 nv20_graph_create(dev);
644 break;
645 case NV_40:
646 nv40_graph_create(dev);
647 break;
648 case NV_50:
649 nv50_graph_create(dev);
650 break;
651 case NV_C0:
652 case NV_D0:
653 nvc0_graph_create(dev);
654 break;
655 default:
656 break;
657 }
658
659 switch (dev_priv->chipset) {
660 case 0x84:
661 case 0x86:
662 case 0x92:
663 case 0x94:
664 case 0x96:
665 case 0xa0:
666 nv84_crypt_create(dev);
667 break;
668 case 0x98:
669 case 0xaa:
670 case 0xac:
671 nv98_crypt_create(dev);
672 break;
673 }
674
675 switch (dev_priv->card_type) {
676 case NV_50:
677 switch (dev_priv->chipset) {
678 case 0xa3:
679 case 0xa5:
680 case 0xa8:
681 case 0xaf:
682 nva3_copy_create(dev);
683 break;
684 }
685 break;
686 case NV_C0:
687 nvc0_copy_create(dev, 0);
688 nvc0_copy_create(dev, 1);
689 break;
690 default:
691 break;
692 }
693
694 if (dev_priv->chipset >= 0xa3 || dev_priv->chipset == 0x98) {
695 nv84_bsp_create(dev);
696 nv84_vp_create(dev);
697 nv98_ppp_create(dev);
698 } else
699 if (dev_priv->chipset >= 0x84) {
700 nv50_mpeg_create(dev);
701 nv84_bsp_create(dev);
702 nv84_vp_create(dev);
703 } else
704 if (dev_priv->chipset >= 0x50) {
705 nv50_mpeg_create(dev);
706 } else
707 if (dev_priv->card_type == NV_40 ||
708 dev_priv->chipset == 0x31 ||
709 dev_priv->chipset == 0x34 ||
710 dev_priv->chipset == 0x36) {
711 nv31_mpeg_create(dev);
712 }
713
714 for (e = 0; e < NVOBJ_ENGINE_NR; e++) {
715 if (dev_priv->eng[e]) {
716 ret = dev_priv->eng[e]->init(dev, e);
717 if (ret)
718 goto out_engine;
719 }
720 }
721
722 /* PFIFO */
723 ret = engine->fifo.init(dev);
724 if (ret)
725 goto out_engine;
726 }
727
728 ret = nouveau_irq_init(dev);
729 if (ret)
730 goto out_fifo;
731
732 ret = nouveau_display_create(dev);
733 if (ret)
734 goto out_irq;
735
736 nouveau_backlight_init(dev);
737
738 if (dev_priv->eng[NVOBJ_ENGINE_GR]) {
739 ret = nouveau_fence_init(dev);
740 if (ret)
741 goto out_disp;
742
743 ret = nouveau_channel_alloc(dev, &dev_priv->channel, NULL,
744 NvDmaFB, NvDmaTT);
745 if (ret)
746 goto out_fence;
747
748 mutex_unlock(&dev_priv->channel->mutex);
749 }
750
751 if (dev->mode_config.num_crtc) {
752 ret = nouveau_display_init(dev);
753 if (ret)
754 goto out_chan;
755
756 nouveau_fbcon_init(dev);
757 }
758
759 return 0;
760
761 out_chan:
762 nouveau_channel_put_unlocked(&dev_priv->channel);
763 out_fence:
764 nouveau_fence_fini(dev);
765 out_disp:
766 nouveau_backlight_exit(dev);
767 nouveau_display_destroy(dev);
768 out_irq:
769 nouveau_irq_fini(dev);
770 out_fifo:
771 if (!dev_priv->noaccel)
772 engine->fifo.takedown(dev);
773 out_engine:
774 if (!dev_priv->noaccel) {
775 for (e = e - 1; e >= 0; e--) {
776 if (!dev_priv->eng[e])
777 continue;
778 dev_priv->eng[e]->fini(dev, e, false);
779 dev_priv->eng[e]->destroy(dev,e );
780 }
781 }
782
783 engine->fb.takedown(dev);
784 out_timer:
785 engine->timer.takedown(dev);
786 out_gpio:
787 nouveau_gpio_destroy(dev);
788 out_mc:
789 engine->mc.takedown(dev);
790 out_gart:
791 nouveau_mem_gart_fini(dev);
792 out_ttmvram:
793 nouveau_mem_vram_fini(dev);
794 out_instmem:
795 engine->instmem.takedown(dev);
796 out_gpuobj:
797 nouveau_gpuobj_takedown(dev);
798 out_vram:
799 engine->vram.takedown(dev);
800 out_bios:
801 nouveau_pm_fini(dev);
802 nouveau_bios_takedown(dev);
803 out_display_early:
804 engine->display.late_takedown(dev);
805 out:
806 vga_client_register(dev->pdev, NULL, NULL, NULL);
807 return ret;
808 }
809
810 static void nouveau_card_takedown(struct drm_device *dev)
811 {
812 struct drm_nouveau_private *dev_priv = dev->dev_private;
813 struct nouveau_engine *engine = &dev_priv->engine;
814 int e;
815
816 if (dev->mode_config.num_crtc) {
817 nouveau_fbcon_fini(dev);
818 nouveau_display_fini(dev);
819 }
820
821 if (dev_priv->channel) {
822 nouveau_channel_put_unlocked(&dev_priv->channel);
823 nouveau_fence_fini(dev);
824 }
825
826 nouveau_backlight_exit(dev);
827 nouveau_display_destroy(dev);
828
829 if (!dev_priv->noaccel) {
830 engine->fifo.takedown(dev);
831 for (e = NVOBJ_ENGINE_NR - 1; e >= 0; e--) {
832 if (dev_priv->eng[e]) {
833 dev_priv->eng[e]->fini(dev, e, false);
834 dev_priv->eng[e]->destroy(dev,e );
835 }
836 }
837 }
838 engine->fb.takedown(dev);
839 engine->timer.takedown(dev);
840 nouveau_gpio_destroy(dev);
841 engine->mc.takedown(dev);
842 engine->display.late_takedown(dev);
843
844 if (dev_priv->vga_ram) {
845 nouveau_bo_unpin(dev_priv->vga_ram);
846 nouveau_bo_ref(NULL, &dev_priv->vga_ram);
847 }
848
849 mutex_lock(&dev->struct_mutex);
850 ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
851 ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
852 mutex_unlock(&dev->struct_mutex);
853 nouveau_mem_gart_fini(dev);
854 nouveau_mem_vram_fini(dev);
855
856 engine->instmem.takedown(dev);
857 nouveau_gpuobj_takedown(dev);
858 engine->vram.takedown(dev);
859
860 nouveau_irq_fini(dev);
861
862 nouveau_pm_fini(dev);
863 nouveau_bios_takedown(dev);
864
865 vga_client_register(dev->pdev, NULL, NULL, NULL);
866 }
867
868 int
869 nouveau_open(struct drm_device *dev, struct drm_file *file_priv)
870 {
871 struct drm_nouveau_private *dev_priv = dev->dev_private;
872 struct nouveau_fpriv *fpriv;
873 int ret;
874
875 fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
876 if (unlikely(!fpriv))
877 return -ENOMEM;
878
879 spin_lock_init(&fpriv->lock);
880 INIT_LIST_HEAD(&fpriv->channels);
881
882 if (dev_priv->card_type == NV_50) {
883 ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0020000000ULL,
884 &fpriv->vm);
885 if (ret) {
886 kfree(fpriv);
887 return ret;
888 }
889 } else
890 if (dev_priv->card_type >= NV_C0) {
891 ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0008000000ULL,
892 &fpriv->vm);
893 if (ret) {
894 kfree(fpriv);
895 return ret;
896 }
897 }
898
899 file_priv->driver_priv = fpriv;
900 return 0;
901 }
902
903 /* here a client dies, release the stuff that was allocated for its
904 * file_priv */
905 void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
906 {
907 nouveau_channel_cleanup(dev, file_priv);
908 }
909
910 void
911 nouveau_postclose(struct drm_device *dev, struct drm_file *file_priv)
912 {
913 struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
914 nouveau_vm_ref(NULL, &fpriv->vm, NULL);
915 kfree(fpriv);
916 }
917
918 /* first module load, setup the mmio/fb mapping */
919 /* KMS: we need mmio at load time, not when the first drm client opens. */
920 int nouveau_firstopen(struct drm_device *dev)
921 {
922 return 0;
923 }
924
925 /* if we have an OF card, copy vbios to RAMIN */
926 static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev)
927 {
928 #if defined(__powerpc__)
929 int size, i;
930 const uint32_t *bios;
931 struct device_node *dn = pci_device_to_OF_node(dev->pdev);
932 if (!dn) {
933 NV_INFO(dev, "Unable to get the OF node\n");
934 return;
935 }
936
937 bios = of_get_property(dn, "NVDA,BMP", &size);
938 if (bios) {
939 for (i = 0; i < size; i += 4)
940 nv_wi32(dev, i, bios[i/4]);
941 NV_INFO(dev, "OF bios successfully copied (%d bytes)\n", size);
942 } else {
943 NV_INFO(dev, "Unable to get the OF bios\n");
944 }
945 #endif
946 }
947
948 static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
949 {
950 struct pci_dev *pdev = dev->pdev;
951 struct apertures_struct *aper = alloc_apertures(3);
952 if (!aper)
953 return NULL;
954
955 aper->ranges[0].base = pci_resource_start(pdev, 1);
956 aper->ranges[0].size = pci_resource_len(pdev, 1);
957 aper->count = 1;
958
959 if (pci_resource_len(pdev, 2)) {
960 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
961 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
962 aper->count++;
963 }
964
965 if (pci_resource_len(pdev, 3)) {
966 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
967 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
968 aper->count++;
969 }
970
971 return aper;
972 }
973
974 static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
975 {
976 struct drm_nouveau_private *dev_priv = dev->dev_private;
977 bool primary = false;
978 dev_priv->apertures = nouveau_get_apertures(dev);
979 if (!dev_priv->apertures)
980 return -ENOMEM;
981
982 #ifdef CONFIG_X86
983 primary = dev->pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
984 #endif
985
986 remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb", primary);
987 return 0;
988 }
989
990 int nouveau_load(struct drm_device *dev, unsigned long flags)
991 {
992 struct drm_nouveau_private *dev_priv;
993 uint32_t reg0, strap;
994 resource_size_t mmio_start_offs;
995 int ret;
996
997 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
998 if (!dev_priv) {
999 ret = -ENOMEM;
1000 goto err_out;
1001 }
1002 dev->dev_private = dev_priv;
1003 dev_priv->dev = dev;
1004
1005 dev_priv->flags = flags & NOUVEAU_FLAGS;
1006
1007 NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n",
1008 dev->pci_vendor, dev->pci_device, dev->pdev->class);
1009
1010 /* resource 0 is mmio regs */
1011 /* resource 1 is linear FB */
1012 /* resource 2 is RAMIN (mmio regs + 0x1000000) */
1013 /* resource 6 is bios */
1014
1015 /* map the mmio regs */
1016 mmio_start_offs = pci_resource_start(dev->pdev, 0);
1017 dev_priv->mmio = ioremap(mmio_start_offs, 0x00800000);
1018 if (!dev_priv->mmio) {
1019 NV_ERROR(dev, "Unable to initialize the mmio mapping. "
1020 "Please report your setup to " DRIVER_EMAIL "\n");
1021 ret = -EINVAL;
1022 goto err_priv;
1023 }
1024 NV_DEBUG(dev, "regs mapped ok at 0x%llx\n",
1025 (unsigned long long)mmio_start_offs);
1026
1027 #ifdef __BIG_ENDIAN
1028 /* Put the card in BE mode if it's not */
1029 if (nv_rd32(dev, NV03_PMC_BOOT_1) != 0x01000001)
1030 nv_wr32(dev, NV03_PMC_BOOT_1, 0x01000001);
1031
1032 DRM_MEMORYBARRIER();
1033 #endif
1034
1035 /* Time to determine the card architecture */
1036 reg0 = nv_rd32(dev, NV03_PMC_BOOT_0);
1037
1038 /* We're dealing with >=NV10 */
1039 if ((reg0 & 0x0f000000) > 0) {
1040 /* Bit 27-20 contain the architecture in hex */
1041 dev_priv->chipset = (reg0 & 0xff00000) >> 20;
1042 /* NV04 or NV05 */
1043 } else if ((reg0 & 0xff00fff0) == 0x20004000) {
1044 if (reg0 & 0x00f00000)
1045 dev_priv->chipset = 0x05;
1046 else
1047 dev_priv->chipset = 0x04;
1048 } else
1049 dev_priv->chipset = 0xff;
1050
1051 switch (dev_priv->chipset & 0xf0) {
1052 case 0x00:
1053 case 0x10:
1054 case 0x20:
1055 case 0x30:
1056 dev_priv->card_type = dev_priv->chipset & 0xf0;
1057 break;
1058 case 0x40:
1059 case 0x60:
1060 dev_priv->card_type = NV_40;
1061 break;
1062 case 0x50:
1063 case 0x80:
1064 case 0x90:
1065 case 0xa0:
1066 dev_priv->card_type = NV_50;
1067 break;
1068 case 0xc0:
1069 dev_priv->card_type = NV_C0;
1070 break;
1071 case 0xd0:
1072 dev_priv->card_type = NV_D0;
1073 break;
1074 default:
1075 NV_INFO(dev, "Unsupported chipset 0x%08x\n", reg0);
1076 ret = -EINVAL;
1077 goto err_mmio;
1078 }
1079
1080 NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
1081 dev_priv->card_type, reg0);
1082
1083 /* determine frequency of timing crystal */
1084 strap = nv_rd32(dev, 0x101000);
1085 if ( dev_priv->chipset < 0x17 ||
1086 (dev_priv->chipset >= 0x20 && dev_priv->chipset <= 0x25))
1087 strap &= 0x00000040;
1088 else
1089 strap &= 0x00400040;
1090
1091 switch (strap) {
1092 case 0x00000000: dev_priv->crystal = 13500; break;
1093 case 0x00000040: dev_priv->crystal = 14318; break;
1094 case 0x00400000: dev_priv->crystal = 27000; break;
1095 case 0x00400040: dev_priv->crystal = 25000; break;
1096 }
1097
1098 NV_DEBUG(dev, "crystal freq: %dKHz\n", dev_priv->crystal);
1099
1100 /* Determine whether we'll attempt acceleration or not, some
1101 * cards are disabled by default here due to them being known
1102 * non-functional, or never been tested due to lack of hw.
1103 */
1104 dev_priv->noaccel = !!nouveau_noaccel;
1105 if (nouveau_noaccel == -1) {
1106 switch (dev_priv->chipset) {
1107 case 0xd9: /* known broken */
1108 NV_INFO(dev, "acceleration disabled by default, pass "
1109 "noaccel=0 to force enable\n");
1110 dev_priv->noaccel = true;
1111 break;
1112 default:
1113 dev_priv->noaccel = false;
1114 break;
1115 }
1116 }
1117
1118 ret = nouveau_remove_conflicting_drivers(dev);
1119 if (ret)
1120 goto err_mmio;
1121
1122 /* Map PRAMIN BAR, or on older cards, the aperture within BAR0 */
1123 if (dev_priv->card_type >= NV_40) {
1124 int ramin_bar = 2;
1125 if (pci_resource_len(dev->pdev, ramin_bar) == 0)
1126 ramin_bar = 3;
1127
1128 dev_priv->ramin_size = pci_resource_len(dev->pdev, ramin_bar);
1129 dev_priv->ramin =
1130 ioremap(pci_resource_start(dev->pdev, ramin_bar),
1131 dev_priv->ramin_size);
1132 if (!dev_priv->ramin) {
1133 NV_ERROR(dev, "Failed to map PRAMIN BAR\n");
1134 ret = -ENOMEM;
1135 goto err_mmio;
1136 }
1137 } else {
1138 dev_priv->ramin_size = 1 * 1024 * 1024;
1139 dev_priv->ramin = ioremap(mmio_start_offs + NV_RAMIN,
1140 dev_priv->ramin_size);
1141 if (!dev_priv->ramin) {
1142 NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");
1143 ret = -ENOMEM;
1144 goto err_mmio;
1145 }
1146 }
1147
1148 nouveau_OF_copy_vbios_to_ramin(dev);
1149
1150 /* Special flags */
1151 if (dev->pci_device == 0x01a0)
1152 dev_priv->flags |= NV_NFORCE;
1153 else if (dev->pci_device == 0x01f0)
1154 dev_priv->flags |= NV_NFORCE2;
1155
1156 /* For kernel modesetting, init card now and bring up fbcon */
1157 ret = nouveau_card_init(dev);
1158 if (ret)
1159 goto err_ramin;
1160
1161 return 0;
1162
1163 err_ramin:
1164 iounmap(dev_priv->ramin);
1165 err_mmio:
1166 iounmap(dev_priv->mmio);
1167 err_priv:
1168 kfree(dev_priv);
1169 dev->dev_private = NULL;
1170 err_out:
1171 return ret;
1172 }
1173
1174 void nouveau_lastclose(struct drm_device *dev)
1175 {
1176 vga_switcheroo_process_delayed_switch();
1177 }
1178
1179 int nouveau_unload(struct drm_device *dev)
1180 {
1181 struct drm_nouveau_private *dev_priv = dev->dev_private;
1182
1183 nouveau_card_takedown(dev);
1184
1185 iounmap(dev_priv->mmio);
1186 iounmap(dev_priv->ramin);
1187
1188 kfree(dev_priv);
1189 dev->dev_private = NULL;
1190 return 0;
1191 }
1192
1193 int nouveau_ioctl_getparam(struct drm_device *dev, void *data,
1194 struct drm_file *file_priv)
1195 {
1196 struct drm_nouveau_private *dev_priv = dev->dev_private;
1197 struct drm_nouveau_getparam *getparam = data;
1198
1199 switch (getparam->param) {
1200 case NOUVEAU_GETPARAM_CHIPSET_ID:
1201 getparam->value = dev_priv->chipset;
1202 break;
1203 case NOUVEAU_GETPARAM_PCI_VENDOR:
1204 getparam->value = dev->pci_vendor;
1205 break;
1206 case NOUVEAU_GETPARAM_PCI_DEVICE:
1207 getparam->value = dev->pci_device;
1208 break;
1209 case NOUVEAU_GETPARAM_BUS_TYPE:
1210 if (drm_pci_device_is_agp(dev))
1211 getparam->value = NV_AGP;
1212 else if (pci_is_pcie(dev->pdev))
1213 getparam->value = NV_PCIE;
1214 else
1215 getparam->value = NV_PCI;
1216 break;
1217 case NOUVEAU_GETPARAM_FB_SIZE:
1218 getparam->value = dev_priv->fb_available_size;
1219 break;
1220 case NOUVEAU_GETPARAM_AGP_SIZE:
1221 getparam->value = dev_priv->gart_info.aper_size;
1222 break;
1223 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
1224 getparam->value = 0; /* deprecated */
1225 break;
1226 case NOUVEAU_GETPARAM_PTIMER_TIME:
1227 getparam->value = dev_priv->engine.timer.read(dev);
1228 break;
1229 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
1230 getparam->value = 1;
1231 break;
1232 case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
1233 getparam->value = 1;
1234 break;
1235 case NOUVEAU_GETPARAM_GRAPH_UNITS:
1236 /* NV40 and NV50 versions are quite different, but register
1237 * address is the same. User is supposed to know the card
1238 * family anyway... */
1239 if (dev_priv->chipset >= 0x40) {
1240 getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS);
1241 break;
1242 }
1243 /* FALLTHRU */
1244 default:
1245 NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param);
1246 return -EINVAL;
1247 }
1248
1249 return 0;
1250 }
1251
1252 int
1253 nouveau_ioctl_setparam(struct drm_device *dev, void *data,
1254 struct drm_file *file_priv)
1255 {
1256 struct drm_nouveau_setparam *setparam = data;
1257
1258 switch (setparam->param) {
1259 default:
1260 NV_DEBUG(dev, "unknown parameter %lld\n", setparam->param);
1261 return -EINVAL;
1262 }
1263
1264 return 0;
1265 }
1266
1267 /* Wait until (value(reg) & mask) == val, up until timeout has hit */
1268 bool
1269 nouveau_wait_eq(struct drm_device *dev, uint64_t timeout,
1270 uint32_t reg, uint32_t mask, uint32_t val)
1271 {
1272 struct drm_nouveau_private *dev_priv = dev->dev_private;
1273 struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1274 uint64_t start = ptimer->read(dev);
1275
1276 do {
1277 if ((nv_rd32(dev, reg) & mask) == val)
1278 return true;
1279 } while (ptimer->read(dev) - start < timeout);
1280
1281 return false;
1282 }
1283
1284 /* Wait until (value(reg) & mask) != val, up until timeout has hit */
1285 bool
1286 nouveau_wait_ne(struct drm_device *dev, uint64_t timeout,
1287 uint32_t reg, uint32_t mask, uint32_t val)
1288 {
1289 struct drm_nouveau_private *dev_priv = dev->dev_private;
1290 struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1291 uint64_t start = ptimer->read(dev);
1292
1293 do {
1294 if ((nv_rd32(dev, reg) & mask) != val)
1295 return true;
1296 } while (ptimer->read(dev) - start < timeout);
1297
1298 return false;
1299 }
1300
1301 /* Wait until cond(data) == true, up until timeout has hit */
1302 bool
1303 nouveau_wait_cb(struct drm_device *dev, u64 timeout,
1304 bool (*cond)(void *), void *data)
1305 {
1306 struct drm_nouveau_private *dev_priv = dev->dev_private;
1307 struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1308 u64 start = ptimer->read(dev);
1309
1310 do {
1311 if (cond(data) == true)
1312 return true;
1313 } while (ptimer->read(dev) - start < timeout);
1314
1315 return false;
1316 }
1317
1318 /* Waits for PGRAPH to go completely idle */
1319 bool nouveau_wait_for_idle(struct drm_device *dev)
1320 {
1321 struct drm_nouveau_private *dev_priv = dev->dev_private;
1322 uint32_t mask = ~0;
1323
1324 if (dev_priv->card_type == NV_40)
1325 mask &= ~NV40_PGRAPH_STATUS_SYNC_STALL;
1326
1327 if (!nv_wait(dev, NV04_PGRAPH_STATUS, mask, 0)) {
1328 NV_ERROR(dev, "PGRAPH idle timed out with status 0x%08x\n",
1329 nv_rd32(dev, NV04_PGRAPH_STATUS));
1330 return false;
1331 }
1332
1333 return true;
1334 }
1335