xref: /openbmc/linux/drivers/gpu/drm/radeon/ni.c (revision afb46f79)
1 /*
2  * Copyright 2010 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Alex Deucher
23  */
24 #include <linux/firmware.h>
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include <drm/drmP.h>
28 #include "radeon.h"
29 #include "radeon_asic.h"
30 #include <drm/radeon_drm.h>
31 #include "nid.h"
32 #include "atom.h"
33 #include "ni_reg.h"
34 #include "cayman_blit_shaders.h"
35 #include "radeon_ucode.h"
36 #include "clearstate_cayman.h"
37 
38 static const u32 tn_rlc_save_restore_register_list[] =
39 {
40 	0x98fc,
41 	0x98f0,
42 	0x9834,
43 	0x9838,
44 	0x9870,
45 	0x9874,
46 	0x8a14,
47 	0x8b24,
48 	0x8bcc,
49 	0x8b10,
50 	0x8c30,
51 	0x8d00,
52 	0x8d04,
53 	0x8c00,
54 	0x8c04,
55 	0x8c10,
56 	0x8c14,
57 	0x8d8c,
58 	0x8cf0,
59 	0x8e38,
60 	0x9508,
61 	0x9688,
62 	0x9608,
63 	0x960c,
64 	0x9610,
65 	0x9614,
66 	0x88c4,
67 	0x8978,
68 	0x88d4,
69 	0x900c,
70 	0x9100,
71 	0x913c,
72 	0x90e8,
73 	0x9354,
74 	0xa008,
75 	0x98f8,
76 	0x9148,
77 	0x914c,
78 	0x3f94,
79 	0x98f4,
80 	0x9b7c,
81 	0x3f8c,
82 	0x8950,
83 	0x8954,
84 	0x8a18,
85 	0x8b28,
86 	0x9144,
87 	0x3f90,
88 	0x915c,
89 	0x9160,
90 	0x9178,
91 	0x917c,
92 	0x9180,
93 	0x918c,
94 	0x9190,
95 	0x9194,
96 	0x9198,
97 	0x919c,
98 	0x91a8,
99 	0x91ac,
100 	0x91b0,
101 	0x91b4,
102 	0x91b8,
103 	0x91c4,
104 	0x91c8,
105 	0x91cc,
106 	0x91d0,
107 	0x91d4,
108 	0x91e0,
109 	0x91e4,
110 	0x91ec,
111 	0x91f0,
112 	0x91f4,
113 	0x9200,
114 	0x9204,
115 	0x929c,
116 	0x8030,
117 	0x9150,
118 	0x9a60,
119 	0x920c,
120 	0x9210,
121 	0x9228,
122 	0x922c,
123 	0x9244,
124 	0x9248,
125 	0x91e8,
126 	0x9294,
127 	0x9208,
128 	0x9224,
129 	0x9240,
130 	0x9220,
131 	0x923c,
132 	0x9258,
133 	0x9744,
134 	0xa200,
135 	0xa204,
136 	0xa208,
137 	0xa20c,
138 	0x8d58,
139 	0x9030,
140 	0x9034,
141 	0x9038,
142 	0x903c,
143 	0x9040,
144 	0x9654,
145 	0x897c,
146 	0xa210,
147 	0xa214,
148 	0x9868,
149 	0xa02c,
150 	0x9664,
151 	0x9698,
152 	0x949c,
153 	0x8e10,
154 	0x8e18,
155 	0x8c50,
156 	0x8c58,
157 	0x8c60,
158 	0x8c68,
159 	0x89b4,
160 	0x9830,
161 	0x802c,
162 };
163 
164 extern bool evergreen_is_display_hung(struct radeon_device *rdev);
165 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
166 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
167 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
168 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
169 extern void evergreen_mc_program(struct radeon_device *rdev);
170 extern void evergreen_irq_suspend(struct radeon_device *rdev);
171 extern int evergreen_mc_init(struct radeon_device *rdev);
172 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
173 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
174 extern void evergreen_program_aspm(struct radeon_device *rdev);
175 extern void sumo_rlc_fini(struct radeon_device *rdev);
176 extern int sumo_rlc_init(struct radeon_device *rdev);
177 extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
178 
179 /* Firmware Names */
180 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
181 MODULE_FIRMWARE("radeon/BARTS_me.bin");
182 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
183 MODULE_FIRMWARE("radeon/BARTS_smc.bin");
184 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
185 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
186 MODULE_FIRMWARE("radeon/TURKS_me.bin");
187 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
188 MODULE_FIRMWARE("radeon/TURKS_smc.bin");
189 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
190 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
191 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
192 MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
193 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
194 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
195 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
196 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
197 MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
198 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
199 MODULE_FIRMWARE("radeon/ARUBA_me.bin");
200 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
201 
202 
203 static const u32 cayman_golden_registers2[] =
204 {
205 	0x3e5c, 0xffffffff, 0x00000000,
206 	0x3e48, 0xffffffff, 0x00000000,
207 	0x3e4c, 0xffffffff, 0x00000000,
208 	0x3e64, 0xffffffff, 0x00000000,
209 	0x3e50, 0xffffffff, 0x00000000,
210 	0x3e60, 0xffffffff, 0x00000000
211 };
212 
213 static const u32 cayman_golden_registers[] =
214 {
215 	0x5eb4, 0xffffffff, 0x00000002,
216 	0x5e78, 0x8f311ff1, 0x001000f0,
217 	0x3f90, 0xffff0000, 0xff000000,
218 	0x9148, 0xffff0000, 0xff000000,
219 	0x3f94, 0xffff0000, 0xff000000,
220 	0x914c, 0xffff0000, 0xff000000,
221 	0xc78, 0x00000080, 0x00000080,
222 	0xbd4, 0x70073777, 0x00011003,
223 	0xd02c, 0xbfffff1f, 0x08421000,
224 	0xd0b8, 0x73773777, 0x02011003,
225 	0x5bc0, 0x00200000, 0x50100000,
226 	0x98f8, 0x33773777, 0x02011003,
227 	0x98fc, 0xffffffff, 0x76541032,
228 	0x7030, 0x31000311, 0x00000011,
229 	0x2f48, 0x33773777, 0x42010001,
230 	0x6b28, 0x00000010, 0x00000012,
231 	0x7728, 0x00000010, 0x00000012,
232 	0x10328, 0x00000010, 0x00000012,
233 	0x10f28, 0x00000010, 0x00000012,
234 	0x11b28, 0x00000010, 0x00000012,
235 	0x12728, 0x00000010, 0x00000012,
236 	0x240c, 0x000007ff, 0x00000000,
237 	0x8a14, 0xf000001f, 0x00000007,
238 	0x8b24, 0x3fff3fff, 0x00ff0fff,
239 	0x8b10, 0x0000ff0f, 0x00000000,
240 	0x28a4c, 0x07ffffff, 0x06000000,
241 	0x10c, 0x00000001, 0x00010003,
242 	0xa02c, 0xffffffff, 0x0000009b,
243 	0x913c, 0x0000010f, 0x01000100,
244 	0x8c04, 0xf8ff00ff, 0x40600060,
245 	0x28350, 0x00000f01, 0x00000000,
246 	0x9508, 0x3700001f, 0x00000002,
247 	0x960c, 0xffffffff, 0x54763210,
248 	0x88c4, 0x001f3ae3, 0x00000082,
249 	0x88d0, 0xffffffff, 0x0f40df40,
250 	0x88d4, 0x0000001f, 0x00000010,
251 	0x8974, 0xffffffff, 0x00000000
252 };
253 
254 static const u32 dvst_golden_registers2[] =
255 {
256 	0x8f8, 0xffffffff, 0,
257 	0x8fc, 0x00380000, 0,
258 	0x8f8, 0xffffffff, 1,
259 	0x8fc, 0x0e000000, 0
260 };
261 
262 static const u32 dvst_golden_registers[] =
263 {
264 	0x690, 0x3fff3fff, 0x20c00033,
265 	0x918c, 0x0fff0fff, 0x00010006,
266 	0x91a8, 0x0fff0fff, 0x00010006,
267 	0x9150, 0xffffdfff, 0x6e944040,
268 	0x917c, 0x0fff0fff, 0x00030002,
269 	0x9198, 0x0fff0fff, 0x00030002,
270 	0x915c, 0x0fff0fff, 0x00010000,
271 	0x3f90, 0xffff0001, 0xff000000,
272 	0x9178, 0x0fff0fff, 0x00070000,
273 	0x9194, 0x0fff0fff, 0x00070000,
274 	0x9148, 0xffff0001, 0xff000000,
275 	0x9190, 0x0fff0fff, 0x00090008,
276 	0x91ac, 0x0fff0fff, 0x00090008,
277 	0x3f94, 0xffff0000, 0xff000000,
278 	0x914c, 0xffff0000, 0xff000000,
279 	0x929c, 0x00000fff, 0x00000001,
280 	0x55e4, 0xff607fff, 0xfc000100,
281 	0x8a18, 0xff000fff, 0x00000100,
282 	0x8b28, 0xff000fff, 0x00000100,
283 	0x9144, 0xfffc0fff, 0x00000100,
284 	0x6ed8, 0x00010101, 0x00010000,
285 	0x9830, 0xffffffff, 0x00000000,
286 	0x9834, 0xf00fffff, 0x00000400,
287 	0x9838, 0xfffffffe, 0x00000000,
288 	0xd0c0, 0xff000fff, 0x00000100,
289 	0xd02c, 0xbfffff1f, 0x08421000,
290 	0xd0b8, 0x73773777, 0x12010001,
291 	0x5bb0, 0x000000f0, 0x00000070,
292 	0x98f8, 0x73773777, 0x12010001,
293 	0x98fc, 0xffffffff, 0x00000010,
294 	0x9b7c, 0x00ff0000, 0x00fc0000,
295 	0x8030, 0x00001f0f, 0x0000100a,
296 	0x2f48, 0x73773777, 0x12010001,
297 	0x2408, 0x00030000, 0x000c007f,
298 	0x8a14, 0xf000003f, 0x00000007,
299 	0x8b24, 0x3fff3fff, 0x00ff0fff,
300 	0x8b10, 0x0000ff0f, 0x00000000,
301 	0x28a4c, 0x07ffffff, 0x06000000,
302 	0x4d8, 0x00000fff, 0x00000100,
303 	0xa008, 0xffffffff, 0x00010000,
304 	0x913c, 0xffff03ff, 0x01000100,
305 	0x8c00, 0x000000ff, 0x00000003,
306 	0x8c04, 0xf8ff00ff, 0x40600060,
307 	0x8cf0, 0x1fff1fff, 0x08e00410,
308 	0x28350, 0x00000f01, 0x00000000,
309 	0x9508, 0xf700071f, 0x00000002,
310 	0x960c, 0xffffffff, 0x54763210,
311 	0x20ef8, 0x01ff01ff, 0x00000002,
312 	0x20e98, 0xfffffbff, 0x00200000,
313 	0x2015c, 0xffffffff, 0x00000f40,
314 	0x88c4, 0x001f3ae3, 0x00000082,
315 	0x8978, 0x3fffffff, 0x04050140,
316 	0x88d4, 0x0000001f, 0x00000010,
317 	0x8974, 0xffffffff, 0x00000000
318 };
319 
320 static const u32 scrapper_golden_registers[] =
321 {
322 	0x690, 0x3fff3fff, 0x20c00033,
323 	0x918c, 0x0fff0fff, 0x00010006,
324 	0x918c, 0x0fff0fff, 0x00010006,
325 	0x91a8, 0x0fff0fff, 0x00010006,
326 	0x91a8, 0x0fff0fff, 0x00010006,
327 	0x9150, 0xffffdfff, 0x6e944040,
328 	0x9150, 0xffffdfff, 0x6e944040,
329 	0x917c, 0x0fff0fff, 0x00030002,
330 	0x917c, 0x0fff0fff, 0x00030002,
331 	0x9198, 0x0fff0fff, 0x00030002,
332 	0x9198, 0x0fff0fff, 0x00030002,
333 	0x915c, 0x0fff0fff, 0x00010000,
334 	0x915c, 0x0fff0fff, 0x00010000,
335 	0x3f90, 0xffff0001, 0xff000000,
336 	0x3f90, 0xffff0001, 0xff000000,
337 	0x9178, 0x0fff0fff, 0x00070000,
338 	0x9178, 0x0fff0fff, 0x00070000,
339 	0x9194, 0x0fff0fff, 0x00070000,
340 	0x9194, 0x0fff0fff, 0x00070000,
341 	0x9148, 0xffff0001, 0xff000000,
342 	0x9148, 0xffff0001, 0xff000000,
343 	0x9190, 0x0fff0fff, 0x00090008,
344 	0x9190, 0x0fff0fff, 0x00090008,
345 	0x91ac, 0x0fff0fff, 0x00090008,
346 	0x91ac, 0x0fff0fff, 0x00090008,
347 	0x3f94, 0xffff0000, 0xff000000,
348 	0x3f94, 0xffff0000, 0xff000000,
349 	0x914c, 0xffff0000, 0xff000000,
350 	0x914c, 0xffff0000, 0xff000000,
351 	0x929c, 0x00000fff, 0x00000001,
352 	0x929c, 0x00000fff, 0x00000001,
353 	0x55e4, 0xff607fff, 0xfc000100,
354 	0x8a18, 0xff000fff, 0x00000100,
355 	0x8a18, 0xff000fff, 0x00000100,
356 	0x8b28, 0xff000fff, 0x00000100,
357 	0x8b28, 0xff000fff, 0x00000100,
358 	0x9144, 0xfffc0fff, 0x00000100,
359 	0x9144, 0xfffc0fff, 0x00000100,
360 	0x6ed8, 0x00010101, 0x00010000,
361 	0x9830, 0xffffffff, 0x00000000,
362 	0x9830, 0xffffffff, 0x00000000,
363 	0x9834, 0xf00fffff, 0x00000400,
364 	0x9834, 0xf00fffff, 0x00000400,
365 	0x9838, 0xfffffffe, 0x00000000,
366 	0x9838, 0xfffffffe, 0x00000000,
367 	0xd0c0, 0xff000fff, 0x00000100,
368 	0xd02c, 0xbfffff1f, 0x08421000,
369 	0xd02c, 0xbfffff1f, 0x08421000,
370 	0xd0b8, 0x73773777, 0x12010001,
371 	0xd0b8, 0x73773777, 0x12010001,
372 	0x5bb0, 0x000000f0, 0x00000070,
373 	0x98f8, 0x73773777, 0x12010001,
374 	0x98f8, 0x73773777, 0x12010001,
375 	0x98fc, 0xffffffff, 0x00000010,
376 	0x98fc, 0xffffffff, 0x00000010,
377 	0x9b7c, 0x00ff0000, 0x00fc0000,
378 	0x9b7c, 0x00ff0000, 0x00fc0000,
379 	0x8030, 0x00001f0f, 0x0000100a,
380 	0x8030, 0x00001f0f, 0x0000100a,
381 	0x2f48, 0x73773777, 0x12010001,
382 	0x2f48, 0x73773777, 0x12010001,
383 	0x2408, 0x00030000, 0x000c007f,
384 	0x8a14, 0xf000003f, 0x00000007,
385 	0x8a14, 0xf000003f, 0x00000007,
386 	0x8b24, 0x3fff3fff, 0x00ff0fff,
387 	0x8b24, 0x3fff3fff, 0x00ff0fff,
388 	0x8b10, 0x0000ff0f, 0x00000000,
389 	0x8b10, 0x0000ff0f, 0x00000000,
390 	0x28a4c, 0x07ffffff, 0x06000000,
391 	0x28a4c, 0x07ffffff, 0x06000000,
392 	0x4d8, 0x00000fff, 0x00000100,
393 	0x4d8, 0x00000fff, 0x00000100,
394 	0xa008, 0xffffffff, 0x00010000,
395 	0xa008, 0xffffffff, 0x00010000,
396 	0x913c, 0xffff03ff, 0x01000100,
397 	0x913c, 0xffff03ff, 0x01000100,
398 	0x90e8, 0x001fffff, 0x010400c0,
399 	0x8c00, 0x000000ff, 0x00000003,
400 	0x8c00, 0x000000ff, 0x00000003,
401 	0x8c04, 0xf8ff00ff, 0x40600060,
402 	0x8c04, 0xf8ff00ff, 0x40600060,
403 	0x8c30, 0x0000000f, 0x00040005,
404 	0x8cf0, 0x1fff1fff, 0x08e00410,
405 	0x8cf0, 0x1fff1fff, 0x08e00410,
406 	0x900c, 0x00ffffff, 0x0017071f,
407 	0x28350, 0x00000f01, 0x00000000,
408 	0x28350, 0x00000f01, 0x00000000,
409 	0x9508, 0xf700071f, 0x00000002,
410 	0x9508, 0xf700071f, 0x00000002,
411 	0x9688, 0x00300000, 0x0017000f,
412 	0x960c, 0xffffffff, 0x54763210,
413 	0x960c, 0xffffffff, 0x54763210,
414 	0x20ef8, 0x01ff01ff, 0x00000002,
415 	0x20e98, 0xfffffbff, 0x00200000,
416 	0x2015c, 0xffffffff, 0x00000f40,
417 	0x88c4, 0x001f3ae3, 0x00000082,
418 	0x88c4, 0x001f3ae3, 0x00000082,
419 	0x8978, 0x3fffffff, 0x04050140,
420 	0x8978, 0x3fffffff, 0x04050140,
421 	0x88d4, 0x0000001f, 0x00000010,
422 	0x88d4, 0x0000001f, 0x00000010,
423 	0x8974, 0xffffffff, 0x00000000,
424 	0x8974, 0xffffffff, 0x00000000
425 };
426 
427 static void ni_init_golden_registers(struct radeon_device *rdev)
428 {
429 	switch (rdev->family) {
430 	case CHIP_CAYMAN:
431 		radeon_program_register_sequence(rdev,
432 						 cayman_golden_registers,
433 						 (const u32)ARRAY_SIZE(cayman_golden_registers));
434 		radeon_program_register_sequence(rdev,
435 						 cayman_golden_registers2,
436 						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
437 		break;
438 	case CHIP_ARUBA:
439 		if ((rdev->pdev->device == 0x9900) ||
440 		    (rdev->pdev->device == 0x9901) ||
441 		    (rdev->pdev->device == 0x9903) ||
442 		    (rdev->pdev->device == 0x9904) ||
443 		    (rdev->pdev->device == 0x9905) ||
444 		    (rdev->pdev->device == 0x9906) ||
445 		    (rdev->pdev->device == 0x9907) ||
446 		    (rdev->pdev->device == 0x9908) ||
447 		    (rdev->pdev->device == 0x9909) ||
448 		    (rdev->pdev->device == 0x990A) ||
449 		    (rdev->pdev->device == 0x990B) ||
450 		    (rdev->pdev->device == 0x990C) ||
451 		    (rdev->pdev->device == 0x990D) ||
452 		    (rdev->pdev->device == 0x990E) ||
453 		    (rdev->pdev->device == 0x990F) ||
454 		    (rdev->pdev->device == 0x9910) ||
455 		    (rdev->pdev->device == 0x9913) ||
456 		    (rdev->pdev->device == 0x9917) ||
457 		    (rdev->pdev->device == 0x9918)) {
458 			radeon_program_register_sequence(rdev,
459 							 dvst_golden_registers,
460 							 (const u32)ARRAY_SIZE(dvst_golden_registers));
461 			radeon_program_register_sequence(rdev,
462 							 dvst_golden_registers2,
463 							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
464 		} else {
465 			radeon_program_register_sequence(rdev,
466 							 scrapper_golden_registers,
467 							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
468 			radeon_program_register_sequence(rdev,
469 							 dvst_golden_registers2,
470 							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
471 		}
472 		break;
473 	default:
474 		break;
475 	}
476 }
477 
478 #define BTC_IO_MC_REGS_SIZE 29
479 
480 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
481 	{0x00000077, 0xff010100},
482 	{0x00000078, 0x00000000},
483 	{0x00000079, 0x00001434},
484 	{0x0000007a, 0xcc08ec08},
485 	{0x0000007b, 0x00040000},
486 	{0x0000007c, 0x000080c0},
487 	{0x0000007d, 0x09000000},
488 	{0x0000007e, 0x00210404},
489 	{0x00000081, 0x08a8e800},
490 	{0x00000082, 0x00030444},
491 	{0x00000083, 0x00000000},
492 	{0x00000085, 0x00000001},
493 	{0x00000086, 0x00000002},
494 	{0x00000087, 0x48490000},
495 	{0x00000088, 0x20244647},
496 	{0x00000089, 0x00000005},
497 	{0x0000008b, 0x66030000},
498 	{0x0000008c, 0x00006603},
499 	{0x0000008d, 0x00000100},
500 	{0x0000008f, 0x00001c0a},
501 	{0x00000090, 0xff000001},
502 	{0x00000094, 0x00101101},
503 	{0x00000095, 0x00000fff},
504 	{0x00000096, 0x00116fff},
505 	{0x00000097, 0x60010000},
506 	{0x00000098, 0x10010000},
507 	{0x00000099, 0x00006000},
508 	{0x0000009a, 0x00001000},
509 	{0x0000009f, 0x00946a00}
510 };
511 
512 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
513 	{0x00000077, 0xff010100},
514 	{0x00000078, 0x00000000},
515 	{0x00000079, 0x00001434},
516 	{0x0000007a, 0xcc08ec08},
517 	{0x0000007b, 0x00040000},
518 	{0x0000007c, 0x000080c0},
519 	{0x0000007d, 0x09000000},
520 	{0x0000007e, 0x00210404},
521 	{0x00000081, 0x08a8e800},
522 	{0x00000082, 0x00030444},
523 	{0x00000083, 0x00000000},
524 	{0x00000085, 0x00000001},
525 	{0x00000086, 0x00000002},
526 	{0x00000087, 0x48490000},
527 	{0x00000088, 0x20244647},
528 	{0x00000089, 0x00000005},
529 	{0x0000008b, 0x66030000},
530 	{0x0000008c, 0x00006603},
531 	{0x0000008d, 0x00000100},
532 	{0x0000008f, 0x00001c0a},
533 	{0x00000090, 0xff000001},
534 	{0x00000094, 0x00101101},
535 	{0x00000095, 0x00000fff},
536 	{0x00000096, 0x00116fff},
537 	{0x00000097, 0x60010000},
538 	{0x00000098, 0x10010000},
539 	{0x00000099, 0x00006000},
540 	{0x0000009a, 0x00001000},
541 	{0x0000009f, 0x00936a00}
542 };
543 
544 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
545 	{0x00000077, 0xff010100},
546 	{0x00000078, 0x00000000},
547 	{0x00000079, 0x00001434},
548 	{0x0000007a, 0xcc08ec08},
549 	{0x0000007b, 0x00040000},
550 	{0x0000007c, 0x000080c0},
551 	{0x0000007d, 0x09000000},
552 	{0x0000007e, 0x00210404},
553 	{0x00000081, 0x08a8e800},
554 	{0x00000082, 0x00030444},
555 	{0x00000083, 0x00000000},
556 	{0x00000085, 0x00000001},
557 	{0x00000086, 0x00000002},
558 	{0x00000087, 0x48490000},
559 	{0x00000088, 0x20244647},
560 	{0x00000089, 0x00000005},
561 	{0x0000008b, 0x66030000},
562 	{0x0000008c, 0x00006603},
563 	{0x0000008d, 0x00000100},
564 	{0x0000008f, 0x00001c0a},
565 	{0x00000090, 0xff000001},
566 	{0x00000094, 0x00101101},
567 	{0x00000095, 0x00000fff},
568 	{0x00000096, 0x00116fff},
569 	{0x00000097, 0x60010000},
570 	{0x00000098, 0x10010000},
571 	{0x00000099, 0x00006000},
572 	{0x0000009a, 0x00001000},
573 	{0x0000009f, 0x00916a00}
574 };
575 
576 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
577 	{0x00000077, 0xff010100},
578 	{0x00000078, 0x00000000},
579 	{0x00000079, 0x00001434},
580 	{0x0000007a, 0xcc08ec08},
581 	{0x0000007b, 0x00040000},
582 	{0x0000007c, 0x000080c0},
583 	{0x0000007d, 0x09000000},
584 	{0x0000007e, 0x00210404},
585 	{0x00000081, 0x08a8e800},
586 	{0x00000082, 0x00030444},
587 	{0x00000083, 0x00000000},
588 	{0x00000085, 0x00000001},
589 	{0x00000086, 0x00000002},
590 	{0x00000087, 0x48490000},
591 	{0x00000088, 0x20244647},
592 	{0x00000089, 0x00000005},
593 	{0x0000008b, 0x66030000},
594 	{0x0000008c, 0x00006603},
595 	{0x0000008d, 0x00000100},
596 	{0x0000008f, 0x00001c0a},
597 	{0x00000090, 0xff000001},
598 	{0x00000094, 0x00101101},
599 	{0x00000095, 0x00000fff},
600 	{0x00000096, 0x00116fff},
601 	{0x00000097, 0x60010000},
602 	{0x00000098, 0x10010000},
603 	{0x00000099, 0x00006000},
604 	{0x0000009a, 0x00001000},
605 	{0x0000009f, 0x00976b00}
606 };
607 
608 int ni_mc_load_microcode(struct radeon_device *rdev)
609 {
610 	const __be32 *fw_data;
611 	u32 mem_type, running, blackout = 0;
612 	u32 *io_mc_regs;
613 	int i, ucode_size, regs_size;
614 
615 	if (!rdev->mc_fw)
616 		return -EINVAL;
617 
618 	switch (rdev->family) {
619 	case CHIP_BARTS:
620 		io_mc_regs = (u32 *)&barts_io_mc_regs;
621 		ucode_size = BTC_MC_UCODE_SIZE;
622 		regs_size = BTC_IO_MC_REGS_SIZE;
623 		break;
624 	case CHIP_TURKS:
625 		io_mc_regs = (u32 *)&turks_io_mc_regs;
626 		ucode_size = BTC_MC_UCODE_SIZE;
627 		regs_size = BTC_IO_MC_REGS_SIZE;
628 		break;
629 	case CHIP_CAICOS:
630 	default:
631 		io_mc_regs = (u32 *)&caicos_io_mc_regs;
632 		ucode_size = BTC_MC_UCODE_SIZE;
633 		regs_size = BTC_IO_MC_REGS_SIZE;
634 		break;
635 	case CHIP_CAYMAN:
636 		io_mc_regs = (u32 *)&cayman_io_mc_regs;
637 		ucode_size = CAYMAN_MC_UCODE_SIZE;
638 		regs_size = BTC_IO_MC_REGS_SIZE;
639 		break;
640 	}
641 
642 	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
643 	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
644 
645 	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
646 		if (running) {
647 			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
648 			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
649 		}
650 
651 		/* reset the engine and set to writable */
652 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
653 		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
654 
655 		/* load mc io regs */
656 		for (i = 0; i < regs_size; i++) {
657 			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
658 			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
659 		}
660 		/* load the MC ucode */
661 		fw_data = (const __be32 *)rdev->mc_fw->data;
662 		for (i = 0; i < ucode_size; i++)
663 			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
664 
665 		/* put the engine back into the active state */
666 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
667 		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
668 		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
669 
670 		/* wait for training to complete */
671 		for (i = 0; i < rdev->usec_timeout; i++) {
672 			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
673 				break;
674 			udelay(1);
675 		}
676 
677 		if (running)
678 			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
679 	}
680 
681 	return 0;
682 }
683 
684 int ni_init_microcode(struct radeon_device *rdev)
685 {
686 	const char *chip_name;
687 	const char *rlc_chip_name;
688 	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
689 	size_t smc_req_size = 0;
690 	char fw_name[30];
691 	int err;
692 
693 	DRM_DEBUG("\n");
694 
695 	switch (rdev->family) {
696 	case CHIP_BARTS:
697 		chip_name = "BARTS";
698 		rlc_chip_name = "BTC";
699 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
700 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
701 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
702 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
703 		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
704 		break;
705 	case CHIP_TURKS:
706 		chip_name = "TURKS";
707 		rlc_chip_name = "BTC";
708 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
709 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
710 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
711 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
712 		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
713 		break;
714 	case CHIP_CAICOS:
715 		chip_name = "CAICOS";
716 		rlc_chip_name = "BTC";
717 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
718 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
719 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
720 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
721 		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
722 		break;
723 	case CHIP_CAYMAN:
724 		chip_name = "CAYMAN";
725 		rlc_chip_name = "CAYMAN";
726 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
727 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
728 		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
729 		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
730 		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
731 		break;
732 	case CHIP_ARUBA:
733 		chip_name = "ARUBA";
734 		rlc_chip_name = "ARUBA";
735 		/* pfp/me same size as CAYMAN */
736 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
737 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
738 		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
739 		mc_req_size = 0;
740 		break;
741 	default: BUG();
742 	}
743 
744 	DRM_INFO("Loading %s Microcode\n", chip_name);
745 
746 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
747 	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
748 	if (err)
749 		goto out;
750 	if (rdev->pfp_fw->size != pfp_req_size) {
751 		printk(KERN_ERR
752 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
753 		       rdev->pfp_fw->size, fw_name);
754 		err = -EINVAL;
755 		goto out;
756 	}
757 
758 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
759 	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
760 	if (err)
761 		goto out;
762 	if (rdev->me_fw->size != me_req_size) {
763 		printk(KERN_ERR
764 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
765 		       rdev->me_fw->size, fw_name);
766 		err = -EINVAL;
767 	}
768 
769 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
770 	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
771 	if (err)
772 		goto out;
773 	if (rdev->rlc_fw->size != rlc_req_size) {
774 		printk(KERN_ERR
775 		       "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
776 		       rdev->rlc_fw->size, fw_name);
777 		err = -EINVAL;
778 	}
779 
780 	/* no MC ucode on TN */
781 	if (!(rdev->flags & RADEON_IS_IGP)) {
782 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
783 		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
784 		if (err)
785 			goto out;
786 		if (rdev->mc_fw->size != mc_req_size) {
787 			printk(KERN_ERR
788 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
789 			       rdev->mc_fw->size, fw_name);
790 			err = -EINVAL;
791 		}
792 	}
793 
794 	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
795 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
796 		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
797 		if (err) {
798 			printk(KERN_ERR
799 			       "smc: error loading firmware \"%s\"\n",
800 			       fw_name);
801 			release_firmware(rdev->smc_fw);
802 			rdev->smc_fw = NULL;
803 			err = 0;
804 		} else if (rdev->smc_fw->size != smc_req_size) {
805 			printk(KERN_ERR
806 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
807 			       rdev->mc_fw->size, fw_name);
808 			err = -EINVAL;
809 		}
810 	}
811 
812 out:
813 	if (err) {
814 		if (err != -EINVAL)
815 			printk(KERN_ERR
816 			       "ni_cp: Failed to load firmware \"%s\"\n",
817 			       fw_name);
818 		release_firmware(rdev->pfp_fw);
819 		rdev->pfp_fw = NULL;
820 		release_firmware(rdev->me_fw);
821 		rdev->me_fw = NULL;
822 		release_firmware(rdev->rlc_fw);
823 		rdev->rlc_fw = NULL;
824 		release_firmware(rdev->mc_fw);
825 		rdev->mc_fw = NULL;
826 	}
827 	return err;
828 }
829 
830 int tn_get_temp(struct radeon_device *rdev)
831 {
832 	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
833 	int actual_temp = (temp / 8) - 49;
834 
835 	return actual_temp * 1000;
836 }
837 
838 /*
839  * Core functions
840  */
841 static void cayman_gpu_init(struct radeon_device *rdev)
842 {
843 	u32 gb_addr_config = 0;
844 	u32 mc_shared_chmap, mc_arb_ramcfg;
845 	u32 cgts_tcc_disable;
846 	u32 sx_debug_1;
847 	u32 smx_dc_ctl0;
848 	u32 cgts_sm_ctrl_reg;
849 	u32 hdp_host_path_cntl;
850 	u32 tmp;
851 	u32 disabled_rb_mask;
852 	int i, j;
853 
854 	switch (rdev->family) {
855 	case CHIP_CAYMAN:
856 		rdev->config.cayman.max_shader_engines = 2;
857 		rdev->config.cayman.max_pipes_per_simd = 4;
858 		rdev->config.cayman.max_tile_pipes = 8;
859 		rdev->config.cayman.max_simds_per_se = 12;
860 		rdev->config.cayman.max_backends_per_se = 4;
861 		rdev->config.cayman.max_texture_channel_caches = 8;
862 		rdev->config.cayman.max_gprs = 256;
863 		rdev->config.cayman.max_threads = 256;
864 		rdev->config.cayman.max_gs_threads = 32;
865 		rdev->config.cayman.max_stack_entries = 512;
866 		rdev->config.cayman.sx_num_of_sets = 8;
867 		rdev->config.cayman.sx_max_export_size = 256;
868 		rdev->config.cayman.sx_max_export_pos_size = 64;
869 		rdev->config.cayman.sx_max_export_smx_size = 192;
870 		rdev->config.cayman.max_hw_contexts = 8;
871 		rdev->config.cayman.sq_num_cf_insts = 2;
872 
873 		rdev->config.cayman.sc_prim_fifo_size = 0x100;
874 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
875 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
876 		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
877 		break;
878 	case CHIP_ARUBA:
879 	default:
880 		rdev->config.cayman.max_shader_engines = 1;
881 		rdev->config.cayman.max_pipes_per_simd = 4;
882 		rdev->config.cayman.max_tile_pipes = 2;
883 		if ((rdev->pdev->device == 0x9900) ||
884 		    (rdev->pdev->device == 0x9901) ||
885 		    (rdev->pdev->device == 0x9905) ||
886 		    (rdev->pdev->device == 0x9906) ||
887 		    (rdev->pdev->device == 0x9907) ||
888 		    (rdev->pdev->device == 0x9908) ||
889 		    (rdev->pdev->device == 0x9909) ||
890 		    (rdev->pdev->device == 0x990B) ||
891 		    (rdev->pdev->device == 0x990C) ||
892 		    (rdev->pdev->device == 0x990F) ||
893 		    (rdev->pdev->device == 0x9910) ||
894 		    (rdev->pdev->device == 0x9917) ||
895 		    (rdev->pdev->device == 0x9999) ||
896 		    (rdev->pdev->device == 0x999C)) {
897 			rdev->config.cayman.max_simds_per_se = 6;
898 			rdev->config.cayman.max_backends_per_se = 2;
899 			rdev->config.cayman.max_hw_contexts = 8;
900 			rdev->config.cayman.sx_max_export_size = 256;
901 			rdev->config.cayman.sx_max_export_pos_size = 64;
902 			rdev->config.cayman.sx_max_export_smx_size = 192;
903 		} else if ((rdev->pdev->device == 0x9903) ||
904 			   (rdev->pdev->device == 0x9904) ||
905 			   (rdev->pdev->device == 0x990A) ||
906 			   (rdev->pdev->device == 0x990D) ||
907 			   (rdev->pdev->device == 0x990E) ||
908 			   (rdev->pdev->device == 0x9913) ||
909 			   (rdev->pdev->device == 0x9918) ||
910 			   (rdev->pdev->device == 0x999D)) {
911 			rdev->config.cayman.max_simds_per_se = 4;
912 			rdev->config.cayman.max_backends_per_se = 2;
913 			rdev->config.cayman.max_hw_contexts = 8;
914 			rdev->config.cayman.sx_max_export_size = 256;
915 			rdev->config.cayman.sx_max_export_pos_size = 64;
916 			rdev->config.cayman.sx_max_export_smx_size = 192;
917 		} else if ((rdev->pdev->device == 0x9919) ||
918 			   (rdev->pdev->device == 0x9990) ||
919 			   (rdev->pdev->device == 0x9991) ||
920 			   (rdev->pdev->device == 0x9994) ||
921 			   (rdev->pdev->device == 0x9995) ||
922 			   (rdev->pdev->device == 0x9996) ||
923 			   (rdev->pdev->device == 0x999A) ||
924 			   (rdev->pdev->device == 0x99A0)) {
925 			rdev->config.cayman.max_simds_per_se = 3;
926 			rdev->config.cayman.max_backends_per_se = 1;
927 			rdev->config.cayman.max_hw_contexts = 4;
928 			rdev->config.cayman.sx_max_export_size = 128;
929 			rdev->config.cayman.sx_max_export_pos_size = 32;
930 			rdev->config.cayman.sx_max_export_smx_size = 96;
931 		} else {
932 			rdev->config.cayman.max_simds_per_se = 2;
933 			rdev->config.cayman.max_backends_per_se = 1;
934 			rdev->config.cayman.max_hw_contexts = 4;
935 			rdev->config.cayman.sx_max_export_size = 128;
936 			rdev->config.cayman.sx_max_export_pos_size = 32;
937 			rdev->config.cayman.sx_max_export_smx_size = 96;
938 		}
939 		rdev->config.cayman.max_texture_channel_caches = 2;
940 		rdev->config.cayman.max_gprs = 256;
941 		rdev->config.cayman.max_threads = 256;
942 		rdev->config.cayman.max_gs_threads = 32;
943 		rdev->config.cayman.max_stack_entries = 512;
944 		rdev->config.cayman.sx_num_of_sets = 8;
945 		rdev->config.cayman.sq_num_cf_insts = 2;
946 
947 		rdev->config.cayman.sc_prim_fifo_size = 0x40;
948 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
949 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
950 		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
951 		break;
952 	}
953 
954 	/* Initialize HDP */
955 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
956 		WREG32((0x2c14 + j), 0x00000000);
957 		WREG32((0x2c18 + j), 0x00000000);
958 		WREG32((0x2c1c + j), 0x00000000);
959 		WREG32((0x2c20 + j), 0x00000000);
960 		WREG32((0x2c24 + j), 0x00000000);
961 	}
962 
963 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
964 
965 	evergreen_fix_pci_max_read_req_size(rdev);
966 
967 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
968 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
969 
970 	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
971 	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
972 	if (rdev->config.cayman.mem_row_size_in_kb > 4)
973 		rdev->config.cayman.mem_row_size_in_kb = 4;
974 	/* XXX use MC settings? */
975 	rdev->config.cayman.shader_engine_tile_size = 32;
976 	rdev->config.cayman.num_gpus = 1;
977 	rdev->config.cayman.multi_gpu_tile_size = 64;
978 
979 	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
980 	rdev->config.cayman.num_tile_pipes = (1 << tmp);
981 	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
982 	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
983 	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
984 	rdev->config.cayman.num_shader_engines = tmp + 1;
985 	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
986 	rdev->config.cayman.num_gpus = tmp + 1;
987 	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
988 	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
989 	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
990 	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
991 
992 
993 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
994 	 * not have bank info, so create a custom tiling dword.
995 	 * bits 3:0   num_pipes
996 	 * bits 7:4   num_banks
997 	 * bits 11:8  group_size
998 	 * bits 15:12 row_size
999 	 */
1000 	rdev->config.cayman.tile_config = 0;
1001 	switch (rdev->config.cayman.num_tile_pipes) {
1002 	case 1:
1003 	default:
1004 		rdev->config.cayman.tile_config |= (0 << 0);
1005 		break;
1006 	case 2:
1007 		rdev->config.cayman.tile_config |= (1 << 0);
1008 		break;
1009 	case 4:
1010 		rdev->config.cayman.tile_config |= (2 << 0);
1011 		break;
1012 	case 8:
1013 		rdev->config.cayman.tile_config |= (3 << 0);
1014 		break;
1015 	}
1016 
1017 	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1018 	if (rdev->flags & RADEON_IS_IGP)
1019 		rdev->config.cayman.tile_config |= 1 << 4;
1020 	else {
1021 		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1022 		case 0: /* four banks */
1023 			rdev->config.cayman.tile_config |= 0 << 4;
1024 			break;
1025 		case 1: /* eight banks */
1026 			rdev->config.cayman.tile_config |= 1 << 4;
1027 			break;
1028 		case 2: /* sixteen banks */
1029 		default:
1030 			rdev->config.cayman.tile_config |= 2 << 4;
1031 			break;
1032 		}
1033 	}
1034 	rdev->config.cayman.tile_config |=
1035 		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1036 	rdev->config.cayman.tile_config |=
1037 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1038 
1039 	tmp = 0;
1040 	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1041 		u32 rb_disable_bitmap;
1042 
1043 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1044 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1045 		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1046 		tmp <<= 4;
1047 		tmp |= rb_disable_bitmap;
1048 	}
1049 	/* enabled rb are just the one not disabled :) */
1050 	disabled_rb_mask = tmp;
1051 	tmp = 0;
1052 	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1053 		tmp |= (1 << i);
1054 	/* if all the backends are disabled, fix it up here */
1055 	if ((disabled_rb_mask & tmp) == tmp) {
1056 		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1057 			disabled_rb_mask &= ~(1 << i);
1058 	}
1059 
1060 	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1061 	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1062 
1063 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1064 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1065 	if (ASIC_IS_DCE6(rdev))
1066 		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1067 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1068 	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1069 	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1070 	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1071 	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1072 	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1073 
1074 	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1075 	    (rdev->flags & RADEON_IS_IGP)) {
1076 		if ((disabled_rb_mask & 3) == 1) {
1077 			/* RB0 disabled, RB1 enabled */
1078 			tmp = 0x11111111;
1079 		} else {
1080 			/* RB1 disabled, RB0 enabled */
1081 			tmp = 0x00000000;
1082 		}
1083 	} else {
1084 		tmp = gb_addr_config & NUM_PIPES_MASK;
1085 		tmp = r6xx_remap_render_backend(rdev, tmp,
1086 						rdev->config.cayman.max_backends_per_se *
1087 						rdev->config.cayman.max_shader_engines,
1088 						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1089 	}
1090 	WREG32(GB_BACKEND_MAP, tmp);
1091 
1092 	cgts_tcc_disable = 0xffff0000;
1093 	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1094 		cgts_tcc_disable &= ~(1 << (16 + i));
1095 	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1096 	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1097 	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1098 	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1099 
1100 	/* reprogram the shader complex */
1101 	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1102 	for (i = 0; i < 16; i++)
1103 		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1104 	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1105 
1106 	/* set HW defaults for 3D engine */
1107 	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1108 
1109 	sx_debug_1 = RREG32(SX_DEBUG_1);
1110 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1111 	WREG32(SX_DEBUG_1, sx_debug_1);
1112 
1113 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1114 	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1115 	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1116 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1117 
1118 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1119 
1120 	/* need to be explicitly zero-ed */
1121 	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1122 	WREG32(SQ_LSTMP_RING_BASE, 0);
1123 	WREG32(SQ_HSTMP_RING_BASE, 0);
1124 	WREG32(SQ_ESTMP_RING_BASE, 0);
1125 	WREG32(SQ_GSTMP_RING_BASE, 0);
1126 	WREG32(SQ_VSTMP_RING_BASE, 0);
1127 	WREG32(SQ_PSTMP_RING_BASE, 0);
1128 
1129 	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1130 
1131 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1132 					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1133 					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1134 
1135 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1136 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1137 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1138 
1139 
1140 	WREG32(VGT_NUM_INSTANCES, 1);
1141 
1142 	WREG32(CP_PERFMON_CNTL, 0);
1143 
1144 	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1145 				  FETCH_FIFO_HIWATER(0x4) |
1146 				  DONE_FIFO_HIWATER(0xe0) |
1147 				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1148 
1149 	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1150 	WREG32(SQ_CONFIG, (VC_ENABLE |
1151 			   EXPORT_SRC_C |
1152 			   GFX_PRIO(0) |
1153 			   CS1_PRIO(0) |
1154 			   CS2_PRIO(1)));
1155 	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1156 
1157 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1158 					  FORCE_EOV_MAX_REZ_CNT(255)));
1159 
1160 	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1161 	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1162 
1163 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1164 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1165 
1166 	WREG32(CB_PERF_CTR0_SEL_0, 0);
1167 	WREG32(CB_PERF_CTR0_SEL_1, 0);
1168 	WREG32(CB_PERF_CTR1_SEL_0, 0);
1169 	WREG32(CB_PERF_CTR1_SEL_1, 0);
1170 	WREG32(CB_PERF_CTR2_SEL_0, 0);
1171 	WREG32(CB_PERF_CTR2_SEL_1, 0);
1172 	WREG32(CB_PERF_CTR3_SEL_0, 0);
1173 	WREG32(CB_PERF_CTR3_SEL_1, 0);
1174 
1175 	tmp = RREG32(HDP_MISC_CNTL);
1176 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1177 	WREG32(HDP_MISC_CNTL, tmp);
1178 
1179 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1180 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1181 
1182 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1183 
1184 	udelay(50);
1185 
1186 	/* set clockgating golden values on TN */
1187 	if (rdev->family == CHIP_ARUBA) {
1188 		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1189 		tmp &= ~0x00380000;
1190 		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1191                 tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1192 		tmp &= ~0x0e000000;
1193 		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1194 	}
1195 }
1196 
1197 /*
1198  * GART
1199  */
1200 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1201 {
1202 	/* flush hdp cache */
1203 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1204 
1205 	/* bits 0-7 are the VM contexts0-7 */
1206 	WREG32(VM_INVALIDATE_REQUEST, 1);
1207 }
1208 
1209 static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1210 {
1211 	int i, r;
1212 
1213 	if (rdev->gart.robj == NULL) {
1214 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1215 		return -EINVAL;
1216 	}
1217 	r = radeon_gart_table_vram_pin(rdev);
1218 	if (r)
1219 		return r;
1220 	radeon_gart_restore(rdev);
1221 	/* Setup TLB control */
1222 	WREG32(MC_VM_MX_L1_TLB_CNTL,
1223 	       (0xA << 7) |
1224 	       ENABLE_L1_TLB |
1225 	       ENABLE_L1_FRAGMENT_PROCESSING |
1226 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1227 	       ENABLE_ADVANCED_DRIVER_MODEL |
1228 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1229 	/* Setup L2 cache */
1230 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1231 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1232 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1233 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1234 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1235 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1236 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1237 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1238 	/* setup context0 */
1239 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1240 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1241 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1242 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1243 			(u32)(rdev->dummy_page.addr >> 12));
1244 	WREG32(VM_CONTEXT0_CNTL2, 0);
1245 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1246 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1247 
1248 	WREG32(0x15D4, 0);
1249 	WREG32(0x15D8, 0);
1250 	WREG32(0x15DC, 0);
1251 
1252 	/* empty context1-7 */
1253 	/* Assign the pt base to something valid for now; the pts used for
1254 	 * the VMs are determined by the application and setup and assigned
1255 	 * on the fly in the vm part of radeon_gart.c
1256 	 */
1257 	for (i = 1; i < 8; i++) {
1258 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1259 		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
1260 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1261 			rdev->gart.table_addr >> 12);
1262 	}
1263 
1264 	/* enable context1-7 */
1265 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1266 	       (u32)(rdev->dummy_page.addr >> 12));
1267 	WREG32(VM_CONTEXT1_CNTL2, 4);
1268 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1269 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1270 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1271 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1272 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1273 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1274 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1275 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1276 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1277 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1278 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1279 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1280 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1281 
1282 	cayman_pcie_gart_tlb_flush(rdev);
1283 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1284 		 (unsigned)(rdev->mc.gtt_size >> 20),
1285 		 (unsigned long long)rdev->gart.table_addr);
1286 	rdev->gart.ready = true;
1287 	return 0;
1288 }
1289 
1290 static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1291 {
1292 	/* Disable all tables */
1293 	WREG32(VM_CONTEXT0_CNTL, 0);
1294 	WREG32(VM_CONTEXT1_CNTL, 0);
1295 	/* Setup TLB control */
1296 	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1297 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1298 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1299 	/* Setup L2 cache */
1300 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1301 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1302 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1303 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1304 	WREG32(VM_L2_CNTL2, 0);
1305 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1306 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1307 	radeon_gart_table_vram_unpin(rdev);
1308 }
1309 
1310 static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1311 {
1312 	cayman_pcie_gart_disable(rdev);
1313 	radeon_gart_table_vram_free(rdev);
1314 	radeon_gart_fini(rdev);
1315 }
1316 
1317 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1318 			      int ring, u32 cp_int_cntl)
1319 {
1320 	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1321 
1322 	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1323 	WREG32(CP_INT_CNTL, cp_int_cntl);
1324 }
1325 
1326 /*
1327  * CP.
1328  */
1329 void cayman_fence_ring_emit(struct radeon_device *rdev,
1330 			    struct radeon_fence *fence)
1331 {
1332 	struct radeon_ring *ring = &rdev->ring[fence->ring];
1333 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1334 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1335 		PACKET3_SH_ACTION_ENA;
1336 
1337 	/* flush read cache over gart for this vmid */
1338 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1339 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1340 	radeon_ring_write(ring, 0xFFFFFFFF);
1341 	radeon_ring_write(ring, 0);
1342 	radeon_ring_write(ring, 10); /* poll interval */
1343 	/* EVENT_WRITE_EOP - flush caches, send int */
1344 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1345 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1346 	radeon_ring_write(ring, addr & 0xffffffff);
1347 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1348 	radeon_ring_write(ring, fence->seq);
1349 	radeon_ring_write(ring, 0);
1350 }
1351 
1352 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1353 {
1354 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1355 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1356 		PACKET3_SH_ACTION_ENA;
1357 
1358 	/* set to DX10/11 mode */
1359 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1360 	radeon_ring_write(ring, 1);
1361 
1362 	if (ring->rptr_save_reg) {
1363 		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1364 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1365 		radeon_ring_write(ring, ((ring->rptr_save_reg -
1366 					  PACKET3_SET_CONFIG_REG_START) >> 2));
1367 		radeon_ring_write(ring, next_rptr);
1368 	}
1369 
1370 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1371 	radeon_ring_write(ring,
1372 #ifdef __BIG_ENDIAN
1373 			  (2 << 0) |
1374 #endif
1375 			  (ib->gpu_addr & 0xFFFFFFFC));
1376 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1377 	radeon_ring_write(ring, ib->length_dw |
1378 			  (ib->vm ? (ib->vm->id << 24) : 0));
1379 
1380 	/* flush read cache over gart for this vmid */
1381 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1382 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1383 	radeon_ring_write(ring, 0xFFFFFFFF);
1384 	radeon_ring_write(ring, 0);
1385 	radeon_ring_write(ring, ((ib->vm ? ib->vm->id : 0) << 24) | 10); /* poll interval */
1386 }
1387 
1388 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1389 {
1390 	if (enable)
1391 		WREG32(CP_ME_CNTL, 0);
1392 	else {
1393 		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1394 			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1395 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1396 		WREG32(SCRATCH_UMSK, 0);
1397 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1398 	}
1399 }
1400 
1401 u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1402 			struct radeon_ring *ring)
1403 {
1404 	u32 rptr;
1405 
1406 	if (rdev->wb.enabled)
1407 		rptr = rdev->wb.wb[ring->rptr_offs/4];
1408 	else {
1409 		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1410 			rptr = RREG32(CP_RB0_RPTR);
1411 		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1412 			rptr = RREG32(CP_RB1_RPTR);
1413 		else
1414 			rptr = RREG32(CP_RB2_RPTR);
1415 	}
1416 
1417 	return rptr;
1418 }
1419 
1420 u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1421 			struct radeon_ring *ring)
1422 {
1423 	u32 wptr;
1424 
1425 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1426 		wptr = RREG32(CP_RB0_WPTR);
1427 	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1428 		wptr = RREG32(CP_RB1_WPTR);
1429 	else
1430 		wptr = RREG32(CP_RB2_WPTR);
1431 
1432 	return wptr;
1433 }
1434 
1435 void cayman_gfx_set_wptr(struct radeon_device *rdev,
1436 			 struct radeon_ring *ring)
1437 {
1438 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1439 		WREG32(CP_RB0_WPTR, ring->wptr);
1440 		(void)RREG32(CP_RB0_WPTR);
1441 	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1442 		WREG32(CP_RB1_WPTR, ring->wptr);
1443 		(void)RREG32(CP_RB1_WPTR);
1444 	} else {
1445 		WREG32(CP_RB2_WPTR, ring->wptr);
1446 		(void)RREG32(CP_RB2_WPTR);
1447 	}
1448 }
1449 
1450 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1451 {
1452 	const __be32 *fw_data;
1453 	int i;
1454 
1455 	if (!rdev->me_fw || !rdev->pfp_fw)
1456 		return -EINVAL;
1457 
1458 	cayman_cp_enable(rdev, false);
1459 
1460 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1461 	WREG32(CP_PFP_UCODE_ADDR, 0);
1462 	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1463 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1464 	WREG32(CP_PFP_UCODE_ADDR, 0);
1465 
1466 	fw_data = (const __be32 *)rdev->me_fw->data;
1467 	WREG32(CP_ME_RAM_WADDR, 0);
1468 	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1469 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1470 
1471 	WREG32(CP_PFP_UCODE_ADDR, 0);
1472 	WREG32(CP_ME_RAM_WADDR, 0);
1473 	WREG32(CP_ME_RAM_RADDR, 0);
1474 	return 0;
1475 }
1476 
1477 static int cayman_cp_start(struct radeon_device *rdev)
1478 {
1479 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1480 	int r, i;
1481 
1482 	r = radeon_ring_lock(rdev, ring, 7);
1483 	if (r) {
1484 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1485 		return r;
1486 	}
1487 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1488 	radeon_ring_write(ring, 0x1);
1489 	radeon_ring_write(ring, 0x0);
1490 	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1491 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1492 	radeon_ring_write(ring, 0);
1493 	radeon_ring_write(ring, 0);
1494 	radeon_ring_unlock_commit(rdev, ring);
1495 
1496 	cayman_cp_enable(rdev, true);
1497 
1498 	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1499 	if (r) {
1500 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1501 		return r;
1502 	}
1503 
1504 	/* setup clear context state */
1505 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1506 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1507 
1508 	for (i = 0; i < cayman_default_size; i++)
1509 		radeon_ring_write(ring, cayman_default_state[i]);
1510 
1511 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1512 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1513 
1514 	/* set clear context state */
1515 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1516 	radeon_ring_write(ring, 0);
1517 
1518 	/* SQ_VTX_BASE_VTX_LOC */
1519 	radeon_ring_write(ring, 0xc0026f00);
1520 	radeon_ring_write(ring, 0x00000000);
1521 	radeon_ring_write(ring, 0x00000000);
1522 	radeon_ring_write(ring, 0x00000000);
1523 
1524 	/* Clear consts */
1525 	radeon_ring_write(ring, 0xc0036f00);
1526 	radeon_ring_write(ring, 0x00000bc4);
1527 	radeon_ring_write(ring, 0xffffffff);
1528 	radeon_ring_write(ring, 0xffffffff);
1529 	radeon_ring_write(ring, 0xffffffff);
1530 
1531 	radeon_ring_write(ring, 0xc0026900);
1532 	radeon_ring_write(ring, 0x00000316);
1533 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1534 	radeon_ring_write(ring, 0x00000010); /*  */
1535 
1536 	radeon_ring_unlock_commit(rdev, ring);
1537 
1538 	/* XXX init other rings */
1539 
1540 	return 0;
1541 }
1542 
1543 static void cayman_cp_fini(struct radeon_device *rdev)
1544 {
1545 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1546 	cayman_cp_enable(rdev, false);
1547 	radeon_ring_fini(rdev, ring);
1548 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1549 }
1550 
1551 static int cayman_cp_resume(struct radeon_device *rdev)
1552 {
1553 	static const int ridx[] = {
1554 		RADEON_RING_TYPE_GFX_INDEX,
1555 		CAYMAN_RING_TYPE_CP1_INDEX,
1556 		CAYMAN_RING_TYPE_CP2_INDEX
1557 	};
1558 	static const unsigned cp_rb_cntl[] = {
1559 		CP_RB0_CNTL,
1560 		CP_RB1_CNTL,
1561 		CP_RB2_CNTL,
1562 	};
1563 	static const unsigned cp_rb_rptr_addr[] = {
1564 		CP_RB0_RPTR_ADDR,
1565 		CP_RB1_RPTR_ADDR,
1566 		CP_RB2_RPTR_ADDR
1567 	};
1568 	static const unsigned cp_rb_rptr_addr_hi[] = {
1569 		CP_RB0_RPTR_ADDR_HI,
1570 		CP_RB1_RPTR_ADDR_HI,
1571 		CP_RB2_RPTR_ADDR_HI
1572 	};
1573 	static const unsigned cp_rb_base[] = {
1574 		CP_RB0_BASE,
1575 		CP_RB1_BASE,
1576 		CP_RB2_BASE
1577 	};
1578 	static const unsigned cp_rb_rptr[] = {
1579 		CP_RB0_RPTR,
1580 		CP_RB1_RPTR,
1581 		CP_RB2_RPTR
1582 	};
1583 	static const unsigned cp_rb_wptr[] = {
1584 		CP_RB0_WPTR,
1585 		CP_RB1_WPTR,
1586 		CP_RB2_WPTR
1587 	};
1588 	struct radeon_ring *ring;
1589 	int i, r;
1590 
1591 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1592 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1593 				 SOFT_RESET_PA |
1594 				 SOFT_RESET_SH |
1595 				 SOFT_RESET_VGT |
1596 				 SOFT_RESET_SPI |
1597 				 SOFT_RESET_SX));
1598 	RREG32(GRBM_SOFT_RESET);
1599 	mdelay(15);
1600 	WREG32(GRBM_SOFT_RESET, 0);
1601 	RREG32(GRBM_SOFT_RESET);
1602 
1603 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1604 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1605 
1606 	/* Set the write pointer delay */
1607 	WREG32(CP_RB_WPTR_DELAY, 0);
1608 
1609 	WREG32(CP_DEBUG, (1 << 27));
1610 
1611 	/* set the wb address whether it's enabled or not */
1612 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1613 	WREG32(SCRATCH_UMSK, 0xff);
1614 
1615 	for (i = 0; i < 3; ++i) {
1616 		uint32_t rb_cntl;
1617 		uint64_t addr;
1618 
1619 		/* Set ring buffer size */
1620 		ring = &rdev->ring[ridx[i]];
1621 		rb_cntl = order_base_2(ring->ring_size / 8);
1622 		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1623 #ifdef __BIG_ENDIAN
1624 		rb_cntl |= BUF_SWAP_32BIT;
1625 #endif
1626 		WREG32(cp_rb_cntl[i], rb_cntl);
1627 
1628 		/* set the wb address whether it's enabled or not */
1629 		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1630 		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1631 		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1632 	}
1633 
1634 	/* set the rb base addr, this causes an internal reset of ALL rings */
1635 	for (i = 0; i < 3; ++i) {
1636 		ring = &rdev->ring[ridx[i]];
1637 		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1638 	}
1639 
1640 	for (i = 0; i < 3; ++i) {
1641 		/* Initialize the ring buffer's read and write pointers */
1642 		ring = &rdev->ring[ridx[i]];
1643 		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1644 
1645 		ring->wptr = 0;
1646 		WREG32(cp_rb_rptr[i], 0);
1647 		WREG32(cp_rb_wptr[i], ring->wptr);
1648 
1649 		mdelay(1);
1650 		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1651 	}
1652 
1653 	/* start the rings */
1654 	cayman_cp_start(rdev);
1655 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1656 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1657 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1658 	/* this only test cp0 */
1659 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1660 	if (r) {
1661 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1662 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1663 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1664 		return r;
1665 	}
1666 
1667 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1668 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1669 
1670 	return 0;
1671 }
1672 
1673 u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1674 {
1675 	u32 reset_mask = 0;
1676 	u32 tmp;
1677 
1678 	/* GRBM_STATUS */
1679 	tmp = RREG32(GRBM_STATUS);
1680 	if (tmp & (PA_BUSY | SC_BUSY |
1681 		   SH_BUSY | SX_BUSY |
1682 		   TA_BUSY | VGT_BUSY |
1683 		   DB_BUSY | CB_BUSY |
1684 		   GDS_BUSY | SPI_BUSY |
1685 		   IA_BUSY | IA_BUSY_NO_DMA))
1686 		reset_mask |= RADEON_RESET_GFX;
1687 
1688 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1689 		   CP_BUSY | CP_COHERENCY_BUSY))
1690 		reset_mask |= RADEON_RESET_CP;
1691 
1692 	if (tmp & GRBM_EE_BUSY)
1693 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1694 
1695 	/* DMA_STATUS_REG 0 */
1696 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1697 	if (!(tmp & DMA_IDLE))
1698 		reset_mask |= RADEON_RESET_DMA;
1699 
1700 	/* DMA_STATUS_REG 1 */
1701 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1702 	if (!(tmp & DMA_IDLE))
1703 		reset_mask |= RADEON_RESET_DMA1;
1704 
1705 	/* SRBM_STATUS2 */
1706 	tmp = RREG32(SRBM_STATUS2);
1707 	if (tmp & DMA_BUSY)
1708 		reset_mask |= RADEON_RESET_DMA;
1709 
1710 	if (tmp & DMA1_BUSY)
1711 		reset_mask |= RADEON_RESET_DMA1;
1712 
1713 	/* SRBM_STATUS */
1714 	tmp = RREG32(SRBM_STATUS);
1715 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1716 		reset_mask |= RADEON_RESET_RLC;
1717 
1718 	if (tmp & IH_BUSY)
1719 		reset_mask |= RADEON_RESET_IH;
1720 
1721 	if (tmp & SEM_BUSY)
1722 		reset_mask |= RADEON_RESET_SEM;
1723 
1724 	if (tmp & GRBM_RQ_PENDING)
1725 		reset_mask |= RADEON_RESET_GRBM;
1726 
1727 	if (tmp & VMC_BUSY)
1728 		reset_mask |= RADEON_RESET_VMC;
1729 
1730 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1731 		   MCC_BUSY | MCD_BUSY))
1732 		reset_mask |= RADEON_RESET_MC;
1733 
1734 	if (evergreen_is_display_hung(rdev))
1735 		reset_mask |= RADEON_RESET_DISPLAY;
1736 
1737 	/* VM_L2_STATUS */
1738 	tmp = RREG32(VM_L2_STATUS);
1739 	if (tmp & L2_BUSY)
1740 		reset_mask |= RADEON_RESET_VMC;
1741 
1742 	/* Skip MC reset as it's mostly likely not hung, just busy */
1743 	if (reset_mask & RADEON_RESET_MC) {
1744 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1745 		reset_mask &= ~RADEON_RESET_MC;
1746 	}
1747 
1748 	return reset_mask;
1749 }
1750 
1751 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1752 {
1753 	struct evergreen_mc_save save;
1754 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1755 	u32 tmp;
1756 
1757 	if (reset_mask == 0)
1758 		return;
1759 
1760 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1761 
1762 	evergreen_print_gpu_status_regs(rdev);
1763 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1764 		 RREG32(0x14F8));
1765 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1766 		 RREG32(0x14D8));
1767 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1768 		 RREG32(0x14FC));
1769 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1770 		 RREG32(0x14DC));
1771 
1772 	/* Disable CP parsing/prefetching */
1773 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1774 
1775 	if (reset_mask & RADEON_RESET_DMA) {
1776 		/* dma0 */
1777 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1778 		tmp &= ~DMA_RB_ENABLE;
1779 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1780 	}
1781 
1782 	if (reset_mask & RADEON_RESET_DMA1) {
1783 		/* dma1 */
1784 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1785 		tmp &= ~DMA_RB_ENABLE;
1786 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1787 	}
1788 
1789 	udelay(50);
1790 
1791 	evergreen_mc_stop(rdev, &save);
1792 	if (evergreen_mc_wait_for_idle(rdev)) {
1793 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1794 	}
1795 
1796 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1797 		grbm_soft_reset = SOFT_RESET_CB |
1798 			SOFT_RESET_DB |
1799 			SOFT_RESET_GDS |
1800 			SOFT_RESET_PA |
1801 			SOFT_RESET_SC |
1802 			SOFT_RESET_SPI |
1803 			SOFT_RESET_SH |
1804 			SOFT_RESET_SX |
1805 			SOFT_RESET_TC |
1806 			SOFT_RESET_TA |
1807 			SOFT_RESET_VGT |
1808 			SOFT_RESET_IA;
1809 	}
1810 
1811 	if (reset_mask & RADEON_RESET_CP) {
1812 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1813 
1814 		srbm_soft_reset |= SOFT_RESET_GRBM;
1815 	}
1816 
1817 	if (reset_mask & RADEON_RESET_DMA)
1818 		srbm_soft_reset |= SOFT_RESET_DMA;
1819 
1820 	if (reset_mask & RADEON_RESET_DMA1)
1821 		srbm_soft_reset |= SOFT_RESET_DMA1;
1822 
1823 	if (reset_mask & RADEON_RESET_DISPLAY)
1824 		srbm_soft_reset |= SOFT_RESET_DC;
1825 
1826 	if (reset_mask & RADEON_RESET_RLC)
1827 		srbm_soft_reset |= SOFT_RESET_RLC;
1828 
1829 	if (reset_mask & RADEON_RESET_SEM)
1830 		srbm_soft_reset |= SOFT_RESET_SEM;
1831 
1832 	if (reset_mask & RADEON_RESET_IH)
1833 		srbm_soft_reset |= SOFT_RESET_IH;
1834 
1835 	if (reset_mask & RADEON_RESET_GRBM)
1836 		srbm_soft_reset |= SOFT_RESET_GRBM;
1837 
1838 	if (reset_mask & RADEON_RESET_VMC)
1839 		srbm_soft_reset |= SOFT_RESET_VMC;
1840 
1841 	if (!(rdev->flags & RADEON_IS_IGP)) {
1842 		if (reset_mask & RADEON_RESET_MC)
1843 			srbm_soft_reset |= SOFT_RESET_MC;
1844 	}
1845 
1846 	if (grbm_soft_reset) {
1847 		tmp = RREG32(GRBM_SOFT_RESET);
1848 		tmp |= grbm_soft_reset;
1849 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1850 		WREG32(GRBM_SOFT_RESET, tmp);
1851 		tmp = RREG32(GRBM_SOFT_RESET);
1852 
1853 		udelay(50);
1854 
1855 		tmp &= ~grbm_soft_reset;
1856 		WREG32(GRBM_SOFT_RESET, tmp);
1857 		tmp = RREG32(GRBM_SOFT_RESET);
1858 	}
1859 
1860 	if (srbm_soft_reset) {
1861 		tmp = RREG32(SRBM_SOFT_RESET);
1862 		tmp |= srbm_soft_reset;
1863 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1864 		WREG32(SRBM_SOFT_RESET, tmp);
1865 		tmp = RREG32(SRBM_SOFT_RESET);
1866 
1867 		udelay(50);
1868 
1869 		tmp &= ~srbm_soft_reset;
1870 		WREG32(SRBM_SOFT_RESET, tmp);
1871 		tmp = RREG32(SRBM_SOFT_RESET);
1872 	}
1873 
1874 	/* Wait a little for things to settle down */
1875 	udelay(50);
1876 
1877 	evergreen_mc_resume(rdev, &save);
1878 	udelay(50);
1879 
1880 	evergreen_print_gpu_status_regs(rdev);
1881 }
1882 
1883 int cayman_asic_reset(struct radeon_device *rdev)
1884 {
1885 	u32 reset_mask;
1886 
1887 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1888 
1889 	if (reset_mask)
1890 		r600_set_bios_scratch_engine_hung(rdev, true);
1891 
1892 	cayman_gpu_soft_reset(rdev, reset_mask);
1893 
1894 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1895 
1896 	if (reset_mask)
1897 		evergreen_gpu_pci_config_reset(rdev);
1898 
1899 	r600_set_bios_scratch_engine_hung(rdev, false);
1900 
1901 	return 0;
1902 }
1903 
1904 /**
1905  * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1906  *
1907  * @rdev: radeon_device pointer
1908  * @ring: radeon_ring structure holding ring information
1909  *
1910  * Check if the GFX engine is locked up.
1911  * Returns true if the engine appears to be locked up, false if not.
1912  */
1913 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1914 {
1915 	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1916 
1917 	if (!(reset_mask & (RADEON_RESET_GFX |
1918 			    RADEON_RESET_COMPUTE |
1919 			    RADEON_RESET_CP))) {
1920 		radeon_ring_lockup_update(rdev, ring);
1921 		return false;
1922 	}
1923 	return radeon_ring_test_lockup(rdev, ring);
1924 }
1925 
1926 static int cayman_startup(struct radeon_device *rdev)
1927 {
1928 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1929 	int r;
1930 
1931 	/* enable pcie gen2 link */
1932 	evergreen_pcie_gen2_enable(rdev);
1933 	/* enable aspm */
1934 	evergreen_program_aspm(rdev);
1935 
1936 	/* scratch needs to be initialized before MC */
1937 	r = r600_vram_scratch_init(rdev);
1938 	if (r)
1939 		return r;
1940 
1941 	evergreen_mc_program(rdev);
1942 
1943 	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
1944 		r = ni_mc_load_microcode(rdev);
1945 		if (r) {
1946 			DRM_ERROR("Failed to load MC firmware!\n");
1947 			return r;
1948 		}
1949 	}
1950 
1951 	r = cayman_pcie_gart_enable(rdev);
1952 	if (r)
1953 		return r;
1954 	cayman_gpu_init(rdev);
1955 
1956 	/* allocate rlc buffers */
1957 	if (rdev->flags & RADEON_IS_IGP) {
1958 		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
1959 		rdev->rlc.reg_list_size =
1960 			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
1961 		rdev->rlc.cs_data = cayman_cs_data;
1962 		r = sumo_rlc_init(rdev);
1963 		if (r) {
1964 			DRM_ERROR("Failed to init rlc BOs!\n");
1965 			return r;
1966 		}
1967 	}
1968 
1969 	/* allocate wb buffer */
1970 	r = radeon_wb_init(rdev);
1971 	if (r)
1972 		return r;
1973 
1974 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1975 	if (r) {
1976 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1977 		return r;
1978 	}
1979 
1980 	r = uvd_v2_2_resume(rdev);
1981 	if (!r) {
1982 		r = radeon_fence_driver_start_ring(rdev,
1983 						   R600_RING_TYPE_UVD_INDEX);
1984 		if (r)
1985 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
1986 	}
1987 	if (r)
1988 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
1989 
1990 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
1991 	if (r) {
1992 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1993 		return r;
1994 	}
1995 
1996 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
1997 	if (r) {
1998 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1999 		return r;
2000 	}
2001 
2002 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2003 	if (r) {
2004 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2005 		return r;
2006 	}
2007 
2008 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2009 	if (r) {
2010 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2011 		return r;
2012 	}
2013 
2014 	/* Enable IRQ */
2015 	if (!rdev->irq.installed) {
2016 		r = radeon_irq_kms_init(rdev);
2017 		if (r)
2018 			return r;
2019 	}
2020 
2021 	r = r600_irq_init(rdev);
2022 	if (r) {
2023 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2024 		radeon_irq_kms_fini(rdev);
2025 		return r;
2026 	}
2027 	evergreen_irq_set(rdev);
2028 
2029 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2030 			     RADEON_CP_PACKET2);
2031 	if (r)
2032 		return r;
2033 
2034 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2035 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2036 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2037 	if (r)
2038 		return r;
2039 
2040 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2041 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2042 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2043 	if (r)
2044 		return r;
2045 
2046 	r = cayman_cp_load_microcode(rdev);
2047 	if (r)
2048 		return r;
2049 	r = cayman_cp_resume(rdev);
2050 	if (r)
2051 		return r;
2052 
2053 	r = cayman_dma_resume(rdev);
2054 	if (r)
2055 		return r;
2056 
2057 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2058 	if (ring->ring_size) {
2059 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
2060 				     RADEON_CP_PACKET2);
2061 		if (!r)
2062 			r = uvd_v1_0_init(rdev);
2063 		if (r)
2064 			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2065 	}
2066 
2067 	r = radeon_ib_pool_init(rdev);
2068 	if (r) {
2069 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2070 		return r;
2071 	}
2072 
2073 	r = radeon_vm_manager_init(rdev);
2074 	if (r) {
2075 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2076 		return r;
2077 	}
2078 
2079 	if (ASIC_IS_DCE6(rdev)) {
2080 		r = dce6_audio_init(rdev);
2081 		if (r)
2082 			return r;
2083 	} else {
2084 		r = r600_audio_init(rdev);
2085 		if (r)
2086 			return r;
2087 	}
2088 
2089 	return 0;
2090 }
2091 
2092 int cayman_resume(struct radeon_device *rdev)
2093 {
2094 	int r;
2095 
2096 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2097 	 * posting will perform necessary task to bring back GPU into good
2098 	 * shape.
2099 	 */
2100 	/* post card */
2101 	atom_asic_init(rdev->mode_info.atom_context);
2102 
2103 	/* init golden registers */
2104 	ni_init_golden_registers(rdev);
2105 
2106 	if (rdev->pm.pm_method == PM_METHOD_DPM)
2107 		radeon_pm_resume(rdev);
2108 
2109 	rdev->accel_working = true;
2110 	r = cayman_startup(rdev);
2111 	if (r) {
2112 		DRM_ERROR("cayman startup failed on resume\n");
2113 		rdev->accel_working = false;
2114 		return r;
2115 	}
2116 	return r;
2117 }
2118 
2119 int cayman_suspend(struct radeon_device *rdev)
2120 {
2121 	radeon_pm_suspend(rdev);
2122 	if (ASIC_IS_DCE6(rdev))
2123 		dce6_audio_fini(rdev);
2124 	else
2125 		r600_audio_fini(rdev);
2126 	radeon_vm_manager_fini(rdev);
2127 	cayman_cp_enable(rdev, false);
2128 	cayman_dma_stop(rdev);
2129 	uvd_v1_0_fini(rdev);
2130 	radeon_uvd_suspend(rdev);
2131 	evergreen_irq_suspend(rdev);
2132 	radeon_wb_disable(rdev);
2133 	cayman_pcie_gart_disable(rdev);
2134 	return 0;
2135 }
2136 
2137 /* Plan is to move initialization in that function and use
2138  * helper function so that radeon_device_init pretty much
2139  * do nothing more than calling asic specific function. This
2140  * should also allow to remove a bunch of callback function
2141  * like vram_info.
2142  */
2143 int cayman_init(struct radeon_device *rdev)
2144 {
2145 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2146 	int r;
2147 
2148 	/* Read BIOS */
2149 	if (!radeon_get_bios(rdev)) {
2150 		if (ASIC_IS_AVIVO(rdev))
2151 			return -EINVAL;
2152 	}
2153 	/* Must be an ATOMBIOS */
2154 	if (!rdev->is_atom_bios) {
2155 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2156 		return -EINVAL;
2157 	}
2158 	r = radeon_atombios_init(rdev);
2159 	if (r)
2160 		return r;
2161 
2162 	/* Post card if necessary */
2163 	if (!radeon_card_posted(rdev)) {
2164 		if (!rdev->bios) {
2165 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2166 			return -EINVAL;
2167 		}
2168 		DRM_INFO("GPU not posted. posting now...\n");
2169 		atom_asic_init(rdev->mode_info.atom_context);
2170 	}
2171 	/* init golden registers */
2172 	ni_init_golden_registers(rdev);
2173 	/* Initialize scratch registers */
2174 	r600_scratch_init(rdev);
2175 	/* Initialize surface registers */
2176 	radeon_surface_init(rdev);
2177 	/* Initialize clocks */
2178 	radeon_get_clock_info(rdev->ddev);
2179 	/* Fence driver */
2180 	r = radeon_fence_driver_init(rdev);
2181 	if (r)
2182 		return r;
2183 	/* initialize memory controller */
2184 	r = evergreen_mc_init(rdev);
2185 	if (r)
2186 		return r;
2187 	/* Memory manager */
2188 	r = radeon_bo_init(rdev);
2189 	if (r)
2190 		return r;
2191 
2192 	if (rdev->flags & RADEON_IS_IGP) {
2193 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2194 			r = ni_init_microcode(rdev);
2195 			if (r) {
2196 				DRM_ERROR("Failed to load firmware!\n");
2197 				return r;
2198 			}
2199 		}
2200 	} else {
2201 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2202 			r = ni_init_microcode(rdev);
2203 			if (r) {
2204 				DRM_ERROR("Failed to load firmware!\n");
2205 				return r;
2206 			}
2207 		}
2208 	}
2209 
2210 	/* Initialize power management */
2211 	radeon_pm_init(rdev);
2212 
2213 	ring->ring_obj = NULL;
2214 	r600_ring_init(rdev, ring, 1024 * 1024);
2215 
2216 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2217 	ring->ring_obj = NULL;
2218 	r600_ring_init(rdev, ring, 64 * 1024);
2219 
2220 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2221 	ring->ring_obj = NULL;
2222 	r600_ring_init(rdev, ring, 64 * 1024);
2223 
2224 	r = radeon_uvd_init(rdev);
2225 	if (!r) {
2226 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2227 		ring->ring_obj = NULL;
2228 		r600_ring_init(rdev, ring, 4096);
2229 	}
2230 
2231 	rdev->ih.ring_obj = NULL;
2232 	r600_ih_ring_init(rdev, 64 * 1024);
2233 
2234 	r = r600_pcie_gart_init(rdev);
2235 	if (r)
2236 		return r;
2237 
2238 	rdev->accel_working = true;
2239 	r = cayman_startup(rdev);
2240 	if (r) {
2241 		dev_err(rdev->dev, "disabling GPU acceleration\n");
2242 		cayman_cp_fini(rdev);
2243 		cayman_dma_fini(rdev);
2244 		r600_irq_fini(rdev);
2245 		if (rdev->flags & RADEON_IS_IGP)
2246 			sumo_rlc_fini(rdev);
2247 		radeon_wb_fini(rdev);
2248 		radeon_ib_pool_fini(rdev);
2249 		radeon_vm_manager_fini(rdev);
2250 		radeon_irq_kms_fini(rdev);
2251 		cayman_pcie_gart_fini(rdev);
2252 		rdev->accel_working = false;
2253 	}
2254 
2255 	/* Don't start up if the MC ucode is missing.
2256 	 * The default clocks and voltages before the MC ucode
2257 	 * is loaded are not suffient for advanced operations.
2258 	 *
2259 	 * We can skip this check for TN, because there is no MC
2260 	 * ucode.
2261 	 */
2262 	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2263 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2264 		return -EINVAL;
2265 	}
2266 
2267 	return 0;
2268 }
2269 
2270 void cayman_fini(struct radeon_device *rdev)
2271 {
2272 	radeon_pm_fini(rdev);
2273 	cayman_cp_fini(rdev);
2274 	cayman_dma_fini(rdev);
2275 	r600_irq_fini(rdev);
2276 	if (rdev->flags & RADEON_IS_IGP)
2277 		sumo_rlc_fini(rdev);
2278 	radeon_wb_fini(rdev);
2279 	radeon_vm_manager_fini(rdev);
2280 	radeon_ib_pool_fini(rdev);
2281 	radeon_irq_kms_fini(rdev);
2282 	uvd_v1_0_fini(rdev);
2283 	radeon_uvd_fini(rdev);
2284 	cayman_pcie_gart_fini(rdev);
2285 	r600_vram_scratch_fini(rdev);
2286 	radeon_gem_fini(rdev);
2287 	radeon_fence_driver_fini(rdev);
2288 	radeon_bo_fini(rdev);
2289 	radeon_atombios_fini(rdev);
2290 	kfree(rdev->bios);
2291 	rdev->bios = NULL;
2292 }
2293 
2294 /*
2295  * vm
2296  */
2297 int cayman_vm_init(struct radeon_device *rdev)
2298 {
2299 	/* number of VMs */
2300 	rdev->vm_manager.nvm = 8;
2301 	/* base offset of vram pages */
2302 	if (rdev->flags & RADEON_IS_IGP) {
2303 		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2304 		tmp <<= 22;
2305 		rdev->vm_manager.vram_base_offset = tmp;
2306 	} else
2307 		rdev->vm_manager.vram_base_offset = 0;
2308 	return 0;
2309 }
2310 
2311 void cayman_vm_fini(struct radeon_device *rdev)
2312 {
2313 }
2314 
2315 /**
2316  * cayman_vm_decode_fault - print human readable fault info
2317  *
2318  * @rdev: radeon_device pointer
2319  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2320  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2321  *
2322  * Print human readable fault information (cayman/TN).
2323  */
2324 void cayman_vm_decode_fault(struct radeon_device *rdev,
2325 			    u32 status, u32 addr)
2326 {
2327 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2328 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2329 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2330 	char *block;
2331 
2332 	switch (mc_id) {
2333 	case 32:
2334 	case 16:
2335 	case 96:
2336 	case 80:
2337 	case 160:
2338 	case 144:
2339 	case 224:
2340 	case 208:
2341 		block = "CB";
2342 		break;
2343 	case 33:
2344 	case 17:
2345 	case 97:
2346 	case 81:
2347 	case 161:
2348 	case 145:
2349 	case 225:
2350 	case 209:
2351 		block = "CB_FMASK";
2352 		break;
2353 	case 34:
2354 	case 18:
2355 	case 98:
2356 	case 82:
2357 	case 162:
2358 	case 146:
2359 	case 226:
2360 	case 210:
2361 		block = "CB_CMASK";
2362 		break;
2363 	case 35:
2364 	case 19:
2365 	case 99:
2366 	case 83:
2367 	case 163:
2368 	case 147:
2369 	case 227:
2370 	case 211:
2371 		block = "CB_IMMED";
2372 		break;
2373 	case 36:
2374 	case 20:
2375 	case 100:
2376 	case 84:
2377 	case 164:
2378 	case 148:
2379 	case 228:
2380 	case 212:
2381 		block = "DB";
2382 		break;
2383 	case 37:
2384 	case 21:
2385 	case 101:
2386 	case 85:
2387 	case 165:
2388 	case 149:
2389 	case 229:
2390 	case 213:
2391 		block = "DB_HTILE";
2392 		break;
2393 	case 38:
2394 	case 22:
2395 	case 102:
2396 	case 86:
2397 	case 166:
2398 	case 150:
2399 	case 230:
2400 	case 214:
2401 		block = "SX";
2402 		break;
2403 	case 39:
2404 	case 23:
2405 	case 103:
2406 	case 87:
2407 	case 167:
2408 	case 151:
2409 	case 231:
2410 	case 215:
2411 		block = "DB_STEN";
2412 		break;
2413 	case 40:
2414 	case 24:
2415 	case 104:
2416 	case 88:
2417 	case 232:
2418 	case 216:
2419 	case 168:
2420 	case 152:
2421 		block = "TC_TFETCH";
2422 		break;
2423 	case 41:
2424 	case 25:
2425 	case 105:
2426 	case 89:
2427 	case 233:
2428 	case 217:
2429 	case 169:
2430 	case 153:
2431 		block = "TC_VFETCH";
2432 		break;
2433 	case 42:
2434 	case 26:
2435 	case 106:
2436 	case 90:
2437 	case 234:
2438 	case 218:
2439 	case 170:
2440 	case 154:
2441 		block = "VC";
2442 		break;
2443 	case 112:
2444 		block = "CP";
2445 		break;
2446 	case 113:
2447 	case 114:
2448 		block = "SH";
2449 		break;
2450 	case 115:
2451 		block = "VGT";
2452 		break;
2453 	case 178:
2454 		block = "IH";
2455 		break;
2456 	case 51:
2457 		block = "RLC";
2458 		break;
2459 	case 55:
2460 		block = "DMA";
2461 		break;
2462 	case 56:
2463 		block = "HDP";
2464 		break;
2465 	default:
2466 		block = "unknown";
2467 		break;
2468 	}
2469 
2470 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2471 	       protections, vmid, addr,
2472 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2473 	       block, mc_id);
2474 }
2475 
2476 /**
2477  * cayman_vm_flush - vm flush using the CP
2478  *
2479  * @rdev: radeon_device pointer
2480  *
2481  * Update the page table base and flush the VM TLB
2482  * using the CP (cayman-si).
2483  */
2484 void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
2485 {
2486 	struct radeon_ring *ring = &rdev->ring[ridx];
2487 
2488 	if (vm == NULL)
2489 		return;
2490 
2491 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0));
2492 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
2493 
2494 	/* flush hdp cache */
2495 	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2496 	radeon_ring_write(ring, 0x1);
2497 
2498 	/* bits 0-7 are the VM contexts0-7 */
2499 	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2500 	radeon_ring_write(ring, 1 << vm->id);
2501 
2502 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2503 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2504 	radeon_ring_write(ring, 0x0);
2505 }
2506