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drm/nvc0: implement support for copy engines
[GitHub/mt8127/android_kernel_alcatel_ttab.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.get = nv04_instmem_get;
57 engine->instmem.put = nv04_instmem_put;
58 engine->instmem.map = nv04_instmem_map;
59 engine->instmem.unmap = nv04_instmem_unmap;
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->fifo.channels = 16;
69 engine->fifo.init = nv04_fifo_init;
70 engine->fifo.takedown = nv04_fifo_fini;
71 engine->fifo.disable = nv04_fifo_disable;
72 engine->fifo.enable = nv04_fifo_enable;
73 engine->fifo.reassign = nv04_fifo_reassign;
74 engine->fifo.cache_pull = nv04_fifo_cache_pull;
75 engine->fifo.channel_id = nv04_fifo_channel_id;
76 engine->fifo.create_context = nv04_fifo_create_context;
77 engine->fifo.destroy_context = nv04_fifo_destroy_context;
78 engine->fifo.load_context = nv04_fifo_load_context;
79 engine->fifo.unload_context = nv04_fifo_unload_context;
80 engine->display.early_init = nv04_display_early_init;
81 engine->display.late_takedown = nv04_display_late_takedown;
82 engine->display.create = nv04_display_create;
83 engine->display.init = nv04_display_init;
84 engine->display.destroy = nv04_display_destroy;
85 engine->gpio.init = nouveau_stub_init;
86 engine->gpio.takedown = nouveau_stub_takedown;
87 engine->gpio.get = NULL;
88 engine->gpio.set = NULL;
89 engine->gpio.irq_enable = NULL;
90 engine->pm.clock_get = nv04_pm_clock_get;
91 engine->pm.clock_pre = nv04_pm_clock_pre;
92 engine->pm.clock_set = nv04_pm_clock_set;
93 engine->vram.init = nouveau_mem_detect;
94 engine->vram.flags_valid = nouveau_mem_flags_valid;
95 break;
96 case 0x10:
97 engine->instmem.init = nv04_instmem_init;
98 engine->instmem.takedown = nv04_instmem_takedown;
99 engine->instmem.suspend = nv04_instmem_suspend;
100 engine->instmem.resume = nv04_instmem_resume;
101 engine->instmem.get = nv04_instmem_get;
102 engine->instmem.put = nv04_instmem_put;
103 engine->instmem.map = nv04_instmem_map;
104 engine->instmem.unmap = nv04_instmem_unmap;
105 engine->instmem.flush = nv04_instmem_flush;
106 engine->mc.init = nv04_mc_init;
107 engine->mc.takedown = nv04_mc_takedown;
108 engine->timer.init = nv04_timer_init;
109 engine->timer.read = nv04_timer_read;
110 engine->timer.takedown = nv04_timer_takedown;
111 engine->fb.init = nv10_fb_init;
112 engine->fb.takedown = nv10_fb_takedown;
113 engine->fb.init_tile_region = nv10_fb_init_tile_region;
114 engine->fb.set_tile_region = nv10_fb_set_tile_region;
115 engine->fb.free_tile_region = nv10_fb_free_tile_region;
116 engine->fifo.channels = 32;
117 engine->fifo.init = nv10_fifo_init;
118 engine->fifo.takedown = nv04_fifo_fini;
119 engine->fifo.disable = nv04_fifo_disable;
120 engine->fifo.enable = nv04_fifo_enable;
121 engine->fifo.reassign = nv04_fifo_reassign;
122 engine->fifo.cache_pull = nv04_fifo_cache_pull;
123 engine->fifo.channel_id = nv10_fifo_channel_id;
124 engine->fifo.create_context = nv10_fifo_create_context;
125 engine->fifo.destroy_context = nv04_fifo_destroy_context;
126 engine->fifo.load_context = nv10_fifo_load_context;
127 engine->fifo.unload_context = nv10_fifo_unload_context;
128 engine->display.early_init = nv04_display_early_init;
129 engine->display.late_takedown = nv04_display_late_takedown;
130 engine->display.create = nv04_display_create;
131 engine->display.init = nv04_display_init;
132 engine->display.destroy = nv04_display_destroy;
133 engine->gpio.init = nouveau_stub_init;
134 engine->gpio.takedown = nouveau_stub_takedown;
135 engine->gpio.get = nv10_gpio_get;
136 engine->gpio.set = nv10_gpio_set;
137 engine->gpio.irq_enable = NULL;
138 engine->pm.clock_get = nv04_pm_clock_get;
139 engine->pm.clock_pre = nv04_pm_clock_pre;
140 engine->pm.clock_set = nv04_pm_clock_set;
141 engine->vram.init = nouveau_mem_detect;
142 engine->vram.flags_valid = nouveau_mem_flags_valid;
143 break;
144 case 0x20:
145 engine->instmem.init = nv04_instmem_init;
146 engine->instmem.takedown = nv04_instmem_takedown;
147 engine->instmem.suspend = nv04_instmem_suspend;
148 engine->instmem.resume = nv04_instmem_resume;
149 engine->instmem.get = nv04_instmem_get;
150 engine->instmem.put = nv04_instmem_put;
151 engine->instmem.map = nv04_instmem_map;
152 engine->instmem.unmap = nv04_instmem_unmap;
153 engine->instmem.flush = nv04_instmem_flush;
154 engine->mc.init = nv04_mc_init;
155 engine->mc.takedown = nv04_mc_takedown;
156 engine->timer.init = nv04_timer_init;
157 engine->timer.read = nv04_timer_read;
158 engine->timer.takedown = nv04_timer_takedown;
159 engine->fb.init = nv10_fb_init;
160 engine->fb.takedown = nv10_fb_takedown;
161 engine->fb.init_tile_region = nv10_fb_init_tile_region;
162 engine->fb.set_tile_region = nv10_fb_set_tile_region;
163 engine->fb.free_tile_region = nv10_fb_free_tile_region;
164 engine->fifo.channels = 32;
165 engine->fifo.init = nv10_fifo_init;
166 engine->fifo.takedown = nv04_fifo_fini;
167 engine->fifo.disable = nv04_fifo_disable;
168 engine->fifo.enable = nv04_fifo_enable;
169 engine->fifo.reassign = nv04_fifo_reassign;
170 engine->fifo.cache_pull = nv04_fifo_cache_pull;
171 engine->fifo.channel_id = nv10_fifo_channel_id;
172 engine->fifo.create_context = nv10_fifo_create_context;
173 engine->fifo.destroy_context = nv04_fifo_destroy_context;
174 engine->fifo.load_context = nv10_fifo_load_context;
175 engine->fifo.unload_context = nv10_fifo_unload_context;
176 engine->display.early_init = nv04_display_early_init;
177 engine->display.late_takedown = nv04_display_late_takedown;
178 engine->display.create = nv04_display_create;
179 engine->display.init = nv04_display_init;
180 engine->display.destroy = nv04_display_destroy;
181 engine->gpio.init = nouveau_stub_init;
182 engine->gpio.takedown = nouveau_stub_takedown;
183 engine->gpio.get = nv10_gpio_get;
184 engine->gpio.set = nv10_gpio_set;
185 engine->gpio.irq_enable = NULL;
186 engine->pm.clock_get = nv04_pm_clock_get;
187 engine->pm.clock_pre = nv04_pm_clock_pre;
188 engine->pm.clock_set = nv04_pm_clock_set;
189 engine->vram.init = nouveau_mem_detect;
190 engine->vram.flags_valid = nouveau_mem_flags_valid;
191 break;
192 case 0x30:
193 engine->instmem.init = nv04_instmem_init;
194 engine->instmem.takedown = nv04_instmem_takedown;
195 engine->instmem.suspend = nv04_instmem_suspend;
196 engine->instmem.resume = nv04_instmem_resume;
197 engine->instmem.get = nv04_instmem_get;
198 engine->instmem.put = nv04_instmem_put;
199 engine->instmem.map = nv04_instmem_map;
200 engine->instmem.unmap = nv04_instmem_unmap;
201 engine->instmem.flush = nv04_instmem_flush;
202 engine->mc.init = nv04_mc_init;
203 engine->mc.takedown = nv04_mc_takedown;
204 engine->timer.init = nv04_timer_init;
205 engine->timer.read = nv04_timer_read;
206 engine->timer.takedown = nv04_timer_takedown;
207 engine->fb.init = nv30_fb_init;
208 engine->fb.takedown = nv30_fb_takedown;
209 engine->fb.init_tile_region = nv30_fb_init_tile_region;
210 engine->fb.set_tile_region = nv10_fb_set_tile_region;
211 engine->fb.free_tile_region = nv30_fb_free_tile_region;
212 engine->fifo.channels = 32;
213 engine->fifo.init = nv10_fifo_init;
214 engine->fifo.takedown = nv04_fifo_fini;
215 engine->fifo.disable = nv04_fifo_disable;
216 engine->fifo.enable = nv04_fifo_enable;
217 engine->fifo.reassign = nv04_fifo_reassign;
218 engine->fifo.cache_pull = nv04_fifo_cache_pull;
219 engine->fifo.channel_id = nv10_fifo_channel_id;
220 engine->fifo.create_context = nv10_fifo_create_context;
221 engine->fifo.destroy_context = nv04_fifo_destroy_context;
222 engine->fifo.load_context = nv10_fifo_load_context;
223 engine->fifo.unload_context = nv10_fifo_unload_context;
224 engine->display.early_init = nv04_display_early_init;
225 engine->display.late_takedown = nv04_display_late_takedown;
226 engine->display.create = nv04_display_create;
227 engine->display.init = nv04_display_init;
228 engine->display.destroy = nv04_display_destroy;
229 engine->gpio.init = nouveau_stub_init;
230 engine->gpio.takedown = nouveau_stub_takedown;
231 engine->gpio.get = nv10_gpio_get;
232 engine->gpio.set = nv10_gpio_set;
233 engine->gpio.irq_enable = NULL;
234 engine->pm.clock_get = nv04_pm_clock_get;
235 engine->pm.clock_pre = nv04_pm_clock_pre;
236 engine->pm.clock_set = nv04_pm_clock_set;
237 engine->pm.voltage_get = nouveau_voltage_gpio_get;
238 engine->pm.voltage_set = nouveau_voltage_gpio_set;
239 engine->vram.init = nouveau_mem_detect;
240 engine->vram.flags_valid = nouveau_mem_flags_valid;
241 break;
242 case 0x40:
243 case 0x60:
244 engine->instmem.init = nv04_instmem_init;
245 engine->instmem.takedown = nv04_instmem_takedown;
246 engine->instmem.suspend = nv04_instmem_suspend;
247 engine->instmem.resume = nv04_instmem_resume;
248 engine->instmem.get = nv04_instmem_get;
249 engine->instmem.put = nv04_instmem_put;
250 engine->instmem.map = nv04_instmem_map;
251 engine->instmem.unmap = nv04_instmem_unmap;
252 engine->instmem.flush = nv04_instmem_flush;
253 engine->mc.init = nv40_mc_init;
254 engine->mc.takedown = nv40_mc_takedown;
255 engine->timer.init = nv04_timer_init;
256 engine->timer.read = nv04_timer_read;
257 engine->timer.takedown = nv04_timer_takedown;
258 engine->fb.init = nv40_fb_init;
259 engine->fb.takedown = nv40_fb_takedown;
260 engine->fb.init_tile_region = nv30_fb_init_tile_region;
261 engine->fb.set_tile_region = nv40_fb_set_tile_region;
262 engine->fb.free_tile_region = nv30_fb_free_tile_region;
263 engine->fifo.channels = 32;
264 engine->fifo.init = nv40_fifo_init;
265 engine->fifo.takedown = nv04_fifo_fini;
266 engine->fifo.disable = nv04_fifo_disable;
267 engine->fifo.enable = nv04_fifo_enable;
268 engine->fifo.reassign = nv04_fifo_reassign;
269 engine->fifo.cache_pull = nv04_fifo_cache_pull;
270 engine->fifo.channel_id = nv10_fifo_channel_id;
271 engine->fifo.create_context = nv40_fifo_create_context;
272 engine->fifo.destroy_context = nv04_fifo_destroy_context;
273 engine->fifo.load_context = nv40_fifo_load_context;
274 engine->fifo.unload_context = nv40_fifo_unload_context;
275 engine->display.early_init = nv04_display_early_init;
276 engine->display.late_takedown = nv04_display_late_takedown;
277 engine->display.create = nv04_display_create;
278 engine->display.init = nv04_display_init;
279 engine->display.destroy = nv04_display_destroy;
280 engine->gpio.init = nouveau_stub_init;
281 engine->gpio.takedown = nouveau_stub_takedown;
282 engine->gpio.get = nv10_gpio_get;
283 engine->gpio.set = nv10_gpio_set;
284 engine->gpio.irq_enable = NULL;
285 engine->pm.clock_get = nv04_pm_clock_get;
286 engine->pm.clock_pre = nv04_pm_clock_pre;
287 engine->pm.clock_set = nv04_pm_clock_set;
288 engine->pm.voltage_get = nouveau_voltage_gpio_get;
289 engine->pm.voltage_set = nouveau_voltage_gpio_set;
290 engine->pm.temp_get = nv40_temp_get;
291 engine->vram.init = nouveau_mem_detect;
292 engine->vram.flags_valid = nouveau_mem_flags_valid;
293 break;
294 case 0x50:
295 case 0x80: /* gotta love NVIDIA's consistency.. */
296 case 0x90:
297 case 0xA0:
298 engine->instmem.init = nv50_instmem_init;
299 engine->instmem.takedown = nv50_instmem_takedown;
300 engine->instmem.suspend = nv50_instmem_suspend;
301 engine->instmem.resume = nv50_instmem_resume;
302 engine->instmem.get = nv50_instmem_get;
303 engine->instmem.put = nv50_instmem_put;
304 engine->instmem.map = nv50_instmem_map;
305 engine->instmem.unmap = nv50_instmem_unmap;
306 if (dev_priv->chipset == 0x50)
307 engine->instmem.flush = nv50_instmem_flush;
308 else
309 engine->instmem.flush = nv84_instmem_flush;
310 engine->mc.init = nv50_mc_init;
311 engine->mc.takedown = nv50_mc_takedown;
312 engine->timer.init = nv04_timer_init;
313 engine->timer.read = nv04_timer_read;
314 engine->timer.takedown = nv04_timer_takedown;
315 engine->fb.init = nv50_fb_init;
316 engine->fb.takedown = nv50_fb_takedown;
317 engine->fifo.channels = 128;
318 engine->fifo.init = nv50_fifo_init;
319 engine->fifo.takedown = nv50_fifo_takedown;
320 engine->fifo.disable = nv04_fifo_disable;
321 engine->fifo.enable = nv04_fifo_enable;
322 engine->fifo.reassign = nv04_fifo_reassign;
323 engine->fifo.channel_id = nv50_fifo_channel_id;
324 engine->fifo.create_context = nv50_fifo_create_context;
325 engine->fifo.destroy_context = nv50_fifo_destroy_context;
326 engine->fifo.load_context = nv50_fifo_load_context;
327 engine->fifo.unload_context = nv50_fifo_unload_context;
328 engine->fifo.tlb_flush = nv50_fifo_tlb_flush;
329 engine->display.early_init = nv50_display_early_init;
330 engine->display.late_takedown = nv50_display_late_takedown;
331 engine->display.create = nv50_display_create;
332 engine->display.init = nv50_display_init;
333 engine->display.destroy = nv50_display_destroy;
334 engine->gpio.init = nv50_gpio_init;
335 engine->gpio.takedown = nv50_gpio_fini;
336 engine->gpio.get = nv50_gpio_get;
337 engine->gpio.set = nv50_gpio_set;
338 engine->gpio.irq_register = nv50_gpio_irq_register;
339 engine->gpio.irq_unregister = nv50_gpio_irq_unregister;
340 engine->gpio.irq_enable = nv50_gpio_irq_enable;
341 switch (dev_priv->chipset) {
342 case 0x84:
343 case 0x86:
344 case 0x92:
345 case 0x94:
346 case 0x96:
347 case 0x98:
348 case 0xa0:
349 case 0xaa:
350 case 0xac:
351 case 0x50:
352 engine->pm.clock_get = nv50_pm_clock_get;
353 engine->pm.clock_pre = nv50_pm_clock_pre;
354 engine->pm.clock_set = nv50_pm_clock_set;
355 break;
356 default:
357 engine->pm.clock_get = nva3_pm_clock_get;
358 engine->pm.clock_pre = nva3_pm_clock_pre;
359 engine->pm.clock_set = nva3_pm_clock_set;
360 break;
361 }
362 engine->pm.voltage_get = nouveau_voltage_gpio_get;
363 engine->pm.voltage_set = nouveau_voltage_gpio_set;
364 if (dev_priv->chipset >= 0x84)
365 engine->pm.temp_get = nv84_temp_get;
366 else
367 engine->pm.temp_get = nv40_temp_get;
368 engine->vram.init = nv50_vram_init;
369 engine->vram.get = nv50_vram_new;
370 engine->vram.put = nv50_vram_del;
371 engine->vram.flags_valid = nv50_vram_flags_valid;
372 break;
373 case 0xC0:
374 engine->instmem.init = nvc0_instmem_init;
375 engine->instmem.takedown = nvc0_instmem_takedown;
376 engine->instmem.suspend = nvc0_instmem_suspend;
377 engine->instmem.resume = nvc0_instmem_resume;
378 engine->instmem.get = nv50_instmem_get;
379 engine->instmem.put = nv50_instmem_put;
380 engine->instmem.map = nv50_instmem_map;
381 engine->instmem.unmap = nv50_instmem_unmap;
382 engine->instmem.flush = nv84_instmem_flush;
383 engine->mc.init = nv50_mc_init;
384 engine->mc.takedown = nv50_mc_takedown;
385 engine->timer.init = nv04_timer_init;
386 engine->timer.read = nv04_timer_read;
387 engine->timer.takedown = nv04_timer_takedown;
388 engine->fb.init = nvc0_fb_init;
389 engine->fb.takedown = nvc0_fb_takedown;
390 engine->fifo.channels = 128;
391 engine->fifo.init = nvc0_fifo_init;
392 engine->fifo.takedown = nvc0_fifo_takedown;
393 engine->fifo.disable = nvc0_fifo_disable;
394 engine->fifo.enable = nvc0_fifo_enable;
395 engine->fifo.reassign = nvc0_fifo_reassign;
396 engine->fifo.channel_id = nvc0_fifo_channel_id;
397 engine->fifo.create_context = nvc0_fifo_create_context;
398 engine->fifo.destroy_context = nvc0_fifo_destroy_context;
399 engine->fifo.load_context = nvc0_fifo_load_context;
400 engine->fifo.unload_context = nvc0_fifo_unload_context;
401 engine->display.early_init = nv50_display_early_init;
402 engine->display.late_takedown = nv50_display_late_takedown;
403 engine->display.create = nv50_display_create;
404 engine->display.init = nv50_display_init;
405 engine->display.destroy = nv50_display_destroy;
406 engine->gpio.init = nv50_gpio_init;
407 engine->gpio.takedown = nouveau_stub_takedown;
408 engine->gpio.get = nv50_gpio_get;
409 engine->gpio.set = nv50_gpio_set;
410 engine->gpio.irq_register = nv50_gpio_irq_register;
411 engine->gpio.irq_unregister = nv50_gpio_irq_unregister;
412 engine->gpio.irq_enable = nv50_gpio_irq_enable;
413 engine->vram.init = nvc0_vram_init;
414 engine->vram.get = nvc0_vram_new;
415 engine->vram.put = nv50_vram_del;
416 engine->vram.flags_valid = nvc0_vram_flags_valid;
417 break;
418 default:
419 NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset);
420 return 1;
421 }
422
423 return 0;
424 }
425
426 static unsigned int
427 nouveau_vga_set_decode(void *priv, bool state)
428 {
429 struct drm_device *dev = priv;
430 struct drm_nouveau_private *dev_priv = dev->dev_private;
431
432 if (dev_priv->chipset >= 0x40)
433 nv_wr32(dev, 0x88054, state);
434 else
435 nv_wr32(dev, 0x1854, state);
436
437 if (state)
438 return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
439 VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
440 else
441 return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
442 }
443
444 static int
445 nouveau_card_init_channel(struct drm_device *dev)
446 {
447 struct drm_nouveau_private *dev_priv = dev->dev_private;
448 int ret;
449
450 ret = nouveau_channel_alloc(dev, &dev_priv->channel,
451 (struct drm_file *)-2, NvDmaFB, NvDmaTT);
452 if (ret)
453 return ret;
454
455 mutex_unlock(&dev_priv->channel->mutex);
456 return 0;
457 }
458
459 static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
460 enum vga_switcheroo_state state)
461 {
462 struct drm_device *dev = pci_get_drvdata(pdev);
463 pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
464 if (state == VGA_SWITCHEROO_ON) {
465 printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
466 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
467 nouveau_pci_resume(pdev);
468 drm_kms_helper_poll_enable(dev);
469 dev->switch_power_state = DRM_SWITCH_POWER_ON;
470 } else {
471 printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
472 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
473 drm_kms_helper_poll_disable(dev);
474 nouveau_pci_suspend(pdev, pmm);
475 dev->switch_power_state = DRM_SWITCH_POWER_OFF;
476 }
477 }
478
479 static void nouveau_switcheroo_reprobe(struct pci_dev *pdev)
480 {
481 struct drm_device *dev = pci_get_drvdata(pdev);
482 nouveau_fbcon_output_poll_changed(dev);
483 }
484
485 static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
486 {
487 struct drm_device *dev = pci_get_drvdata(pdev);
488 bool can_switch;
489
490 spin_lock(&dev->count_lock);
491 can_switch = (dev->open_count == 0);
492 spin_unlock(&dev->count_lock);
493 return can_switch;
494 }
495
496 int
497 nouveau_card_init(struct drm_device *dev)
498 {
499 struct drm_nouveau_private *dev_priv = dev->dev_private;
500 struct nouveau_engine *engine;
501 int ret, e;
502
503 vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
504 vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
505 nouveau_switcheroo_reprobe,
506 nouveau_switcheroo_can_switch);
507
508 /* Initialise internal driver API hooks */
509 ret = nouveau_init_engine_ptrs(dev);
510 if (ret)
511 goto out;
512 engine = &dev_priv->engine;
513 spin_lock_init(&dev_priv->channels.lock);
514 spin_lock_init(&dev_priv->tile.lock);
515 spin_lock_init(&dev_priv->context_switch_lock);
516 spin_lock_init(&dev_priv->vm_lock);
517
518 /* Make the CRTCs and I2C buses accessible */
519 ret = engine->display.early_init(dev);
520 if (ret)
521 goto out;
522
523 /* Parse BIOS tables / Run init tables if card not POSTed */
524 ret = nouveau_bios_init(dev);
525 if (ret)
526 goto out_display_early;
527
528 nouveau_pm_init(dev);
529
530 ret = nouveau_mem_vram_init(dev);
531 if (ret)
532 goto out_bios;
533
534 ret = nouveau_gpuobj_init(dev);
535 if (ret)
536 goto out_vram;
537
538 ret = engine->instmem.init(dev);
539 if (ret)
540 goto out_gpuobj;
541
542 ret = nouveau_mem_gart_init(dev);
543 if (ret)
544 goto out_instmem;
545
546 /* PMC */
547 ret = engine->mc.init(dev);
548 if (ret)
549 goto out_gart;
550
551 /* PGPIO */
552 ret = engine->gpio.init(dev);
553 if (ret)
554 goto out_mc;
555
556 /* PTIMER */
557 ret = engine->timer.init(dev);
558 if (ret)
559 goto out_gpio;
560
561 /* PFB */
562 ret = engine->fb.init(dev);
563 if (ret)
564 goto out_timer;
565
566 switch (dev_priv->card_type) {
567 case NV_04:
568 nv04_graph_create(dev);
569 break;
570 case NV_10:
571 nv10_graph_create(dev);
572 break;
573 case NV_20:
574 case NV_30:
575 nv20_graph_create(dev);
576 break;
577 case NV_40:
578 nv40_graph_create(dev);
579 break;
580 case NV_50:
581 nv50_graph_create(dev);
582 break;
583 case NV_C0:
584 nvc0_graph_create(dev);
585 break;
586 default:
587 break;
588 }
589
590 switch (dev_priv->chipset) {
591 case 0x84:
592 case 0x86:
593 case 0x92:
594 case 0x94:
595 case 0x96:
596 case 0xa0:
597 nv84_crypt_create(dev);
598 break;
599 }
600
601 switch (dev_priv->card_type) {
602 case NV_50:
603 switch (dev_priv->chipset) {
604 case 0xa3:
605 case 0xa5:
606 case 0xa8:
607 case 0xaf:
608 nva3_copy_create(dev);
609 break;
610 }
611 break;
612 case NV_C0:
613 nvc0_copy_create(dev, 0);
614 nvc0_copy_create(dev, 1);
615 break;
616 default:
617 break;
618 }
619
620 if (!nouveau_noaccel) {
621 for (e = 0; e < NVOBJ_ENGINE_NR; e++) {
622 if (dev_priv->eng[e]) {
623 ret = dev_priv->eng[e]->init(dev, e);
624 if (ret)
625 goto out_engine;
626 }
627 }
628
629 /* PFIFO */
630 ret = engine->fifo.init(dev);
631 if (ret)
632 goto out_engine;
633 }
634
635 ret = engine->display.create(dev);
636 if (ret)
637 goto out_fifo;
638
639 ret = drm_vblank_init(dev, nv_two_heads(dev) ? 2 : 1);
640 if (ret)
641 goto out_vblank;
642
643 ret = nouveau_irq_init(dev);
644 if (ret)
645 goto out_vblank;
646
647 /* what about PVIDEO/PCRTC/PRAMDAC etc? */
648
649 if (dev_priv->eng[NVOBJ_ENGINE_GR]) {
650 ret = nouveau_fence_init(dev);
651 if (ret)
652 goto out_irq;
653
654 ret = nouveau_card_init_channel(dev);
655 if (ret)
656 goto out_fence;
657 }
658
659 nouveau_fbcon_init(dev);
660 drm_kms_helper_poll_init(dev);
661 return 0;
662
663 out_fence:
664 nouveau_fence_fini(dev);
665 out_irq:
666 nouveau_irq_fini(dev);
667 out_vblank:
668 drm_vblank_cleanup(dev);
669 engine->display.destroy(dev);
670 out_fifo:
671 if (!nouveau_noaccel)
672 engine->fifo.takedown(dev);
673 out_engine:
674 if (!nouveau_noaccel) {
675 for (e = e - 1; e >= 0; e--) {
676 if (!dev_priv->eng[e])
677 continue;
678 dev_priv->eng[e]->fini(dev, e);
679 dev_priv->eng[e]->destroy(dev,e );
680 }
681 }
682
683 engine->fb.takedown(dev);
684 out_timer:
685 engine->timer.takedown(dev);
686 out_gpio:
687 engine->gpio.takedown(dev);
688 out_mc:
689 engine->mc.takedown(dev);
690 out_gart:
691 nouveau_mem_gart_fini(dev);
692 out_instmem:
693 engine->instmem.takedown(dev);
694 out_gpuobj:
695 nouveau_gpuobj_takedown(dev);
696 out_vram:
697 nouveau_mem_vram_fini(dev);
698 out_bios:
699 nouveau_pm_fini(dev);
700 nouveau_bios_takedown(dev);
701 out_display_early:
702 engine->display.late_takedown(dev);
703 out:
704 vga_client_register(dev->pdev, NULL, NULL, NULL);
705 return ret;
706 }
707
708 static void nouveau_card_takedown(struct drm_device *dev)
709 {
710 struct drm_nouveau_private *dev_priv = dev->dev_private;
711 struct nouveau_engine *engine = &dev_priv->engine;
712 int e;
713
714 if (dev_priv->channel) {
715 nouveau_fence_fini(dev);
716 nouveau_channel_put_unlocked(&dev_priv->channel);
717 }
718
719 if (!nouveau_noaccel) {
720 engine->fifo.takedown(dev);
721 for (e = NVOBJ_ENGINE_NR - 1; e >= 0; e--) {
722 if (dev_priv->eng[e]) {
723 dev_priv->eng[e]->fini(dev, e);
724 dev_priv->eng[e]->destroy(dev,e );
725 }
726 }
727 }
728 engine->fb.takedown(dev);
729 engine->timer.takedown(dev);
730 engine->gpio.takedown(dev);
731 engine->mc.takedown(dev);
732 engine->display.late_takedown(dev);
733
734 mutex_lock(&dev->struct_mutex);
735 ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
736 ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
737 mutex_unlock(&dev->struct_mutex);
738 nouveau_mem_gart_fini(dev);
739
740 engine->instmem.takedown(dev);
741 nouveau_gpuobj_takedown(dev);
742 nouveau_mem_vram_fini(dev);
743
744 nouveau_irq_fini(dev);
745 drm_vblank_cleanup(dev);
746
747 nouveau_pm_fini(dev);
748 nouveau_bios_takedown(dev);
749
750 vga_client_register(dev->pdev, NULL, NULL, NULL);
751 }
752
753 /* here a client dies, release the stuff that was allocated for its
754 * file_priv */
755 void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
756 {
757 nouveau_channel_cleanup(dev, file_priv);
758 }
759
760 /* first module load, setup the mmio/fb mapping */
761 /* KMS: we need mmio at load time, not when the first drm client opens. */
762 int nouveau_firstopen(struct drm_device *dev)
763 {
764 return 0;
765 }
766
767 /* if we have an OF card, copy vbios to RAMIN */
768 static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev)
769 {
770 #if defined(__powerpc__)
771 int size, i;
772 const uint32_t *bios;
773 struct device_node *dn = pci_device_to_OF_node(dev->pdev);
774 if (!dn) {
775 NV_INFO(dev, "Unable to get the OF node\n");
776 return;
777 }
778
779 bios = of_get_property(dn, "NVDA,BMP", &size);
780 if (bios) {
781 for (i = 0; i < size; i += 4)
782 nv_wi32(dev, i, bios[i/4]);
783 NV_INFO(dev, "OF bios successfully copied (%d bytes)\n", size);
784 } else {
785 NV_INFO(dev, "Unable to get the OF bios\n");
786 }
787 #endif
788 }
789
790 static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
791 {
792 struct pci_dev *pdev = dev->pdev;
793 struct apertures_struct *aper = alloc_apertures(3);
794 if (!aper)
795 return NULL;
796
797 aper->ranges[0].base = pci_resource_start(pdev, 1);
798 aper->ranges[0].size = pci_resource_len(pdev, 1);
799 aper->count = 1;
800
801 if (pci_resource_len(pdev, 2)) {
802 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
803 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
804 aper->count++;
805 }
806
807 if (pci_resource_len(pdev, 3)) {
808 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
809 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
810 aper->count++;
811 }
812
813 return aper;
814 }
815
816 static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
817 {
818 struct drm_nouveau_private *dev_priv = dev->dev_private;
819 bool primary = false;
820 dev_priv->apertures = nouveau_get_apertures(dev);
821 if (!dev_priv->apertures)
822 return -ENOMEM;
823
824 #ifdef CONFIG_X86
825 primary = dev->pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
826 #endif
827
828 remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb", primary);
829 return 0;
830 }
831
832 int nouveau_load(struct drm_device *dev, unsigned long flags)
833 {
834 struct drm_nouveau_private *dev_priv;
835 uint32_t reg0;
836 resource_size_t mmio_start_offs;
837 int ret;
838
839 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
840 if (!dev_priv) {
841 ret = -ENOMEM;
842 goto err_out;
843 }
844 dev->dev_private = dev_priv;
845 dev_priv->dev = dev;
846
847 dev_priv->flags = flags & NOUVEAU_FLAGS;
848
849 NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n",
850 dev->pci_vendor, dev->pci_device, dev->pdev->class);
851
852 /* resource 0 is mmio regs */
853 /* resource 1 is linear FB */
854 /* resource 2 is RAMIN (mmio regs + 0x1000000) */
855 /* resource 6 is bios */
856
857 /* map the mmio regs */
858 mmio_start_offs = pci_resource_start(dev->pdev, 0);
859 dev_priv->mmio = ioremap(mmio_start_offs, 0x00800000);
860 if (!dev_priv->mmio) {
861 NV_ERROR(dev, "Unable to initialize the mmio mapping. "
862 "Please report your setup to " DRIVER_EMAIL "\n");
863 ret = -EINVAL;
864 goto err_priv;
865 }
866 NV_DEBUG(dev, "regs mapped ok at 0x%llx\n",
867 (unsigned long long)mmio_start_offs);
868
869 #ifdef __BIG_ENDIAN
870 /* Put the card in BE mode if it's not */
871 if (nv_rd32(dev, NV03_PMC_BOOT_1))
872 nv_wr32(dev, NV03_PMC_BOOT_1, 0x00000001);
873
874 DRM_MEMORYBARRIER();
875 #endif
876
877 /* Time to determine the card architecture */
878 reg0 = nv_rd32(dev, NV03_PMC_BOOT_0);
879 dev_priv->stepping = 0; /* XXX: add stepping for pre-NV10? */
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 dev_priv->stepping = (reg0 & 0xff);
886 /* NV04 or NV05 */
887 } else if ((reg0 & 0xff00fff0) == 0x20004000) {
888 if (reg0 & 0x00f00000)
889 dev_priv->chipset = 0x05;
890 else
891 dev_priv->chipset = 0x04;
892 } else
893 dev_priv->chipset = 0xff;
894
895 switch (dev_priv->chipset & 0xf0) {
896 case 0x00:
897 case 0x10:
898 case 0x20:
899 case 0x30:
900 dev_priv->card_type = dev_priv->chipset & 0xf0;
901 break;
902 case 0x40:
903 case 0x60:
904 dev_priv->card_type = NV_40;
905 break;
906 case 0x50:
907 case 0x80:
908 case 0x90:
909 case 0xa0:
910 dev_priv->card_type = NV_50;
911 break;
912 case 0xc0:
913 dev_priv->card_type = NV_C0;
914 break;
915 default:
916 NV_INFO(dev, "Unsupported chipset 0x%08x\n", reg0);
917 ret = -EINVAL;
918 goto err_mmio;
919 }
920
921 NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
922 dev_priv->card_type, reg0);
923
924 ret = nouveau_remove_conflicting_drivers(dev);
925 if (ret)
926 goto err_mmio;
927
928 /* Map PRAMIN BAR, or on older cards, the aperture within BAR0 */
929 if (dev_priv->card_type >= NV_40) {
930 int ramin_bar = 2;
931 if (pci_resource_len(dev->pdev, ramin_bar) == 0)
932 ramin_bar = 3;
933
934 dev_priv->ramin_size = pci_resource_len(dev->pdev, ramin_bar);
935 dev_priv->ramin =
936 ioremap(pci_resource_start(dev->pdev, ramin_bar),
937 dev_priv->ramin_size);
938 if (!dev_priv->ramin) {
939 NV_ERROR(dev, "Failed to PRAMIN BAR");
940 ret = -ENOMEM;
941 goto err_mmio;
942 }
943 } else {
944 dev_priv->ramin_size = 1 * 1024 * 1024;
945 dev_priv->ramin = ioremap(mmio_start_offs + NV_RAMIN,
946 dev_priv->ramin_size);
947 if (!dev_priv->ramin) {
948 NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");
949 ret = -ENOMEM;
950 goto err_mmio;
951 }
952 }
953
954 nouveau_OF_copy_vbios_to_ramin(dev);
955
956 /* Special flags */
957 if (dev->pci_device == 0x01a0)
958 dev_priv->flags |= NV_NFORCE;
959 else if (dev->pci_device == 0x01f0)
960 dev_priv->flags |= NV_NFORCE2;
961
962 /* For kernel modesetting, init card now and bring up fbcon */
963 ret = nouveau_card_init(dev);
964 if (ret)
965 goto err_ramin;
966
967 return 0;
968
969 err_ramin:
970 iounmap(dev_priv->ramin);
971 err_mmio:
972 iounmap(dev_priv->mmio);
973 err_priv:
974 kfree(dev_priv);
975 dev->dev_private = NULL;
976 err_out:
977 return ret;
978 }
979
980 void nouveau_lastclose(struct drm_device *dev)
981 {
982 vga_switcheroo_process_delayed_switch();
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_pci_device_is_agp(dev))
1021 getparam->value = NV_AGP;
1022 else if (drm_pci_device_is_pcie(dev))
1023 getparam->value = NV_PCIE;
1024 else
1025 getparam->value = NV_PCI;
1026 break;
1027 case NOUVEAU_GETPARAM_FB_SIZE:
1028 getparam->value = dev_priv->fb_available_size;
1029 break;
1030 case NOUVEAU_GETPARAM_AGP_SIZE:
1031 getparam->value = dev_priv->gart_info.aper_size;
1032 break;
1033 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
1034 getparam->value = 0; /* deprecated */
1035 break;
1036 case NOUVEAU_GETPARAM_PTIMER_TIME:
1037 getparam->value = dev_priv->engine.timer.read(dev);
1038 break;
1039 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
1040 getparam->value = 1;
1041 break;
1042 case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
1043 getparam->value = 1;
1044 break;
1045 case NOUVEAU_GETPARAM_GRAPH_UNITS:
1046 /* NV40 and NV50 versions are quite different, but register
1047 * address is the same. User is supposed to know the card
1048 * family anyway... */
1049 if (dev_priv->chipset >= 0x40) {
1050 getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS);
1051 break;
1052 }
1053 /* FALLTHRU */
1054 default:
1055 NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param);
1056 return -EINVAL;
1057 }
1058
1059 return 0;
1060 }
1061
1062 int
1063 nouveau_ioctl_setparam(struct drm_device *dev, void *data,
1064 struct drm_file *file_priv)
1065 {
1066 struct drm_nouveau_setparam *setparam = data;
1067
1068 switch (setparam->param) {
1069 default:
1070 NV_DEBUG(dev, "unknown parameter %lld\n", setparam->param);
1071 return -EINVAL;
1072 }
1073
1074 return 0;
1075 }
1076
1077 /* Wait until (value(reg) & mask) == val, up until timeout has hit */
1078 bool
1079 nouveau_wait_eq(struct drm_device *dev, uint64_t timeout,
1080 uint32_t reg, uint32_t mask, uint32_t val)
1081 {
1082 struct drm_nouveau_private *dev_priv = dev->dev_private;
1083 struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1084 uint64_t start = ptimer->read(dev);
1085
1086 do {
1087 if ((nv_rd32(dev, reg) & mask) == val)
1088 return true;
1089 } while (ptimer->read(dev) - start < timeout);
1090
1091 return false;
1092 }
1093
1094 /* Wait until (value(reg) & mask) != val, up until timeout has hit */
1095 bool
1096 nouveau_wait_ne(struct drm_device *dev, uint64_t timeout,
1097 uint32_t reg, uint32_t mask, uint32_t val)
1098 {
1099 struct drm_nouveau_private *dev_priv = dev->dev_private;
1100 struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1101 uint64_t start = ptimer->read(dev);
1102
1103 do {
1104 if ((nv_rd32(dev, reg) & mask) != val)
1105 return true;
1106 } while (ptimer->read(dev) - start < timeout);
1107
1108 return false;
1109 }
1110
1111 /* Waits for PGRAPH to go completely idle */
1112 bool nouveau_wait_for_idle(struct drm_device *dev)
1113 {
1114 struct drm_nouveau_private *dev_priv = dev->dev_private;
1115 uint32_t mask = ~0;
1116
1117 if (dev_priv->card_type == NV_40)
1118 mask &= ~NV40_PGRAPH_STATUS_SYNC_STALL;
1119
1120 if (!nv_wait(dev, NV04_PGRAPH_STATUS, mask, 0)) {
1121 NV_ERROR(dev, "PGRAPH idle timed out with status 0x%08x\n",
1122 nv_rd32(dev, NV04_PGRAPH_STATUS));
1123 return false;
1124 }
1125
1126 return true;
1127 }
1128
kernel source for telekom puls (alcatel/mediatek)