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 
nouveau_stub_takedown(struct drm_device * dev)43 static void nouveau_stub_takedown(struct drm_device *dev) {}
nouveau_stub_init(struct drm_device * dev)44 static int nouveau_stub_init(struct drm_device *dev) { return 0; }
45 
nouveau_init_engine_ptrs(struct drm_device * dev)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
nouveau_vga_set_decode(void * priv,bool state)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 
nouveau_switcheroo_set_state(struct pci_dev * pdev,enum vga_switcheroo_state state)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 
nouveau_switcheroo_reprobe(struct pci_dev * pdev)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 
nouveau_switcheroo_can_switch(struct pci_dev * pdev)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
nouveau_card_init(struct drm_device * dev)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 
nouveau_card_takedown(struct drm_device * dev)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
nouveau_open(struct drm_device * dev,struct drm_file * file_priv)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 */
nouveau_preclose(struct drm_device * dev,struct drm_file * 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
nouveau_postclose(struct drm_device * dev,struct drm_file * file_priv)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. */
nouveau_firstopen(struct drm_device * dev)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 */
nouveau_OF_copy_vbios_to_ramin(struct drm_device * dev)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 
nouveau_get_apertures(struct drm_device * dev)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 
nouveau_remove_conflicting_drivers(struct drm_device * dev)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 
nouveau_load(struct drm_device * dev,unsigned long flags)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 
nouveau_lastclose(struct drm_device * dev)1174 void nouveau_lastclose(struct drm_device *dev)
1175 {
1176 	vga_switcheroo_process_delayed_switch();
1177 }
1178 
nouveau_unload(struct drm_device * dev)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 
nouveau_ioctl_getparam(struct drm_device * dev,void * data,struct drm_file * file_priv)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
nouveau_ioctl_setparam(struct drm_device * dev,void * data,struct drm_file * file_priv)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
nouveau_wait_eq(struct drm_device * dev,uint64_t timeout,uint32_t reg,uint32_t mask,uint32_t val)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
nouveau_wait_ne(struct drm_device * dev,uint64_t timeout,uint32_t reg,uint32_t mask,uint32_t val)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
nouveau_wait_cb(struct drm_device * dev,u64 timeout,bool (* cond)(void *),void * data)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 */
nouveau_wait_for_idle(struct drm_device * dev)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 
1336