xref: /openbmc/linux/drivers/gpu/drm/radeon/ni.c (revision 3d3337de)
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 "radeon_audio.h"
31 #include <drm/radeon_drm.h>
32 #include "nid.h"
33 #include "atom.h"
34 #include "ni_reg.h"
35 #include "cayman_blit_shaders.h"
36 #include "radeon_ucode.h"
37 #include "clearstate_cayman.h"
38 
39 static const u32 tn_rlc_save_restore_register_list[] =
40 {
41 	0x98fc,
42 	0x98f0,
43 	0x9834,
44 	0x9838,
45 	0x9870,
46 	0x9874,
47 	0x8a14,
48 	0x8b24,
49 	0x8bcc,
50 	0x8b10,
51 	0x8c30,
52 	0x8d00,
53 	0x8d04,
54 	0x8c00,
55 	0x8c04,
56 	0x8c10,
57 	0x8c14,
58 	0x8d8c,
59 	0x8cf0,
60 	0x8e38,
61 	0x9508,
62 	0x9688,
63 	0x9608,
64 	0x960c,
65 	0x9610,
66 	0x9614,
67 	0x88c4,
68 	0x8978,
69 	0x88d4,
70 	0x900c,
71 	0x9100,
72 	0x913c,
73 	0x90e8,
74 	0x9354,
75 	0xa008,
76 	0x98f8,
77 	0x9148,
78 	0x914c,
79 	0x3f94,
80 	0x98f4,
81 	0x9b7c,
82 	0x3f8c,
83 	0x8950,
84 	0x8954,
85 	0x8a18,
86 	0x8b28,
87 	0x9144,
88 	0x3f90,
89 	0x915c,
90 	0x9160,
91 	0x9178,
92 	0x917c,
93 	0x9180,
94 	0x918c,
95 	0x9190,
96 	0x9194,
97 	0x9198,
98 	0x919c,
99 	0x91a8,
100 	0x91ac,
101 	0x91b0,
102 	0x91b4,
103 	0x91b8,
104 	0x91c4,
105 	0x91c8,
106 	0x91cc,
107 	0x91d0,
108 	0x91d4,
109 	0x91e0,
110 	0x91e4,
111 	0x91ec,
112 	0x91f0,
113 	0x91f4,
114 	0x9200,
115 	0x9204,
116 	0x929c,
117 	0x8030,
118 	0x9150,
119 	0x9a60,
120 	0x920c,
121 	0x9210,
122 	0x9228,
123 	0x922c,
124 	0x9244,
125 	0x9248,
126 	0x91e8,
127 	0x9294,
128 	0x9208,
129 	0x9224,
130 	0x9240,
131 	0x9220,
132 	0x923c,
133 	0x9258,
134 	0x9744,
135 	0xa200,
136 	0xa204,
137 	0xa208,
138 	0xa20c,
139 	0x8d58,
140 	0x9030,
141 	0x9034,
142 	0x9038,
143 	0x903c,
144 	0x9040,
145 	0x9654,
146 	0x897c,
147 	0xa210,
148 	0xa214,
149 	0x9868,
150 	0xa02c,
151 	0x9664,
152 	0x9698,
153 	0x949c,
154 	0x8e10,
155 	0x8e18,
156 	0x8c50,
157 	0x8c58,
158 	0x8c60,
159 	0x8c68,
160 	0x89b4,
161 	0x9830,
162 	0x802c,
163 };
164 
165 extern bool evergreen_is_display_hung(struct radeon_device *rdev);
166 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
167 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
168 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
169 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
170 extern void evergreen_mc_program(struct radeon_device *rdev);
171 extern void evergreen_irq_suspend(struct radeon_device *rdev);
172 extern int evergreen_mc_init(struct radeon_device *rdev);
173 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
174 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
175 extern void evergreen_program_aspm(struct radeon_device *rdev);
176 extern void sumo_rlc_fini(struct radeon_device *rdev);
177 extern int sumo_rlc_init(struct radeon_device *rdev);
178 extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
179 
180 /* Firmware Names */
181 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
182 MODULE_FIRMWARE("radeon/BARTS_me.bin");
183 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
184 MODULE_FIRMWARE("radeon/BARTS_smc.bin");
185 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
186 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
187 MODULE_FIRMWARE("radeon/TURKS_me.bin");
188 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
189 MODULE_FIRMWARE("radeon/TURKS_smc.bin");
190 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
191 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
192 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
193 MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
194 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
195 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
196 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
197 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
198 MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
199 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
200 MODULE_FIRMWARE("radeon/ARUBA_me.bin");
201 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
202 
203 
204 static const u32 cayman_golden_registers2[] =
205 {
206 	0x3e5c, 0xffffffff, 0x00000000,
207 	0x3e48, 0xffffffff, 0x00000000,
208 	0x3e4c, 0xffffffff, 0x00000000,
209 	0x3e64, 0xffffffff, 0x00000000,
210 	0x3e50, 0xffffffff, 0x00000000,
211 	0x3e60, 0xffffffff, 0x00000000
212 };
213 
214 static const u32 cayman_golden_registers[] =
215 {
216 	0x5eb4, 0xffffffff, 0x00000002,
217 	0x5e78, 0x8f311ff1, 0x001000f0,
218 	0x3f90, 0xffff0000, 0xff000000,
219 	0x9148, 0xffff0000, 0xff000000,
220 	0x3f94, 0xffff0000, 0xff000000,
221 	0x914c, 0xffff0000, 0xff000000,
222 	0xc78, 0x00000080, 0x00000080,
223 	0xbd4, 0x70073777, 0x00011003,
224 	0xd02c, 0xbfffff1f, 0x08421000,
225 	0xd0b8, 0x73773777, 0x02011003,
226 	0x5bc0, 0x00200000, 0x50100000,
227 	0x98f8, 0x33773777, 0x02011003,
228 	0x98fc, 0xffffffff, 0x76541032,
229 	0x7030, 0x31000311, 0x00000011,
230 	0x2f48, 0x33773777, 0x42010001,
231 	0x6b28, 0x00000010, 0x00000012,
232 	0x7728, 0x00000010, 0x00000012,
233 	0x10328, 0x00000010, 0x00000012,
234 	0x10f28, 0x00000010, 0x00000012,
235 	0x11b28, 0x00000010, 0x00000012,
236 	0x12728, 0x00000010, 0x00000012,
237 	0x240c, 0x000007ff, 0x00000000,
238 	0x8a14, 0xf000001f, 0x00000007,
239 	0x8b24, 0x3fff3fff, 0x00ff0fff,
240 	0x8b10, 0x0000ff0f, 0x00000000,
241 	0x28a4c, 0x07ffffff, 0x06000000,
242 	0x10c, 0x00000001, 0x00010003,
243 	0xa02c, 0xffffffff, 0x0000009b,
244 	0x913c, 0x0000010f, 0x01000100,
245 	0x8c04, 0xf8ff00ff, 0x40600060,
246 	0x28350, 0x00000f01, 0x00000000,
247 	0x9508, 0x3700001f, 0x00000002,
248 	0x960c, 0xffffffff, 0x54763210,
249 	0x88c4, 0x001f3ae3, 0x00000082,
250 	0x88d0, 0xffffffff, 0x0f40df40,
251 	0x88d4, 0x0000001f, 0x00000010,
252 	0x8974, 0xffffffff, 0x00000000
253 };
254 
255 static const u32 dvst_golden_registers2[] =
256 {
257 	0x8f8, 0xffffffff, 0,
258 	0x8fc, 0x00380000, 0,
259 	0x8f8, 0xffffffff, 1,
260 	0x8fc, 0x0e000000, 0
261 };
262 
263 static const u32 dvst_golden_registers[] =
264 {
265 	0x690, 0x3fff3fff, 0x20c00033,
266 	0x918c, 0x0fff0fff, 0x00010006,
267 	0x91a8, 0x0fff0fff, 0x00010006,
268 	0x9150, 0xffffdfff, 0x6e944040,
269 	0x917c, 0x0fff0fff, 0x00030002,
270 	0x9198, 0x0fff0fff, 0x00030002,
271 	0x915c, 0x0fff0fff, 0x00010000,
272 	0x3f90, 0xffff0001, 0xff000000,
273 	0x9178, 0x0fff0fff, 0x00070000,
274 	0x9194, 0x0fff0fff, 0x00070000,
275 	0x9148, 0xffff0001, 0xff000000,
276 	0x9190, 0x0fff0fff, 0x00090008,
277 	0x91ac, 0x0fff0fff, 0x00090008,
278 	0x3f94, 0xffff0000, 0xff000000,
279 	0x914c, 0xffff0000, 0xff000000,
280 	0x929c, 0x00000fff, 0x00000001,
281 	0x55e4, 0xff607fff, 0xfc000100,
282 	0x8a18, 0xff000fff, 0x00000100,
283 	0x8b28, 0xff000fff, 0x00000100,
284 	0x9144, 0xfffc0fff, 0x00000100,
285 	0x6ed8, 0x00010101, 0x00010000,
286 	0x9830, 0xffffffff, 0x00000000,
287 	0x9834, 0xf00fffff, 0x00000400,
288 	0x9838, 0xfffffffe, 0x00000000,
289 	0xd0c0, 0xff000fff, 0x00000100,
290 	0xd02c, 0xbfffff1f, 0x08421000,
291 	0xd0b8, 0x73773777, 0x12010001,
292 	0x5bb0, 0x000000f0, 0x00000070,
293 	0x98f8, 0x73773777, 0x12010001,
294 	0x98fc, 0xffffffff, 0x00000010,
295 	0x9b7c, 0x00ff0000, 0x00fc0000,
296 	0x8030, 0x00001f0f, 0x0000100a,
297 	0x2f48, 0x73773777, 0x12010001,
298 	0x2408, 0x00030000, 0x000c007f,
299 	0x8a14, 0xf000003f, 0x00000007,
300 	0x8b24, 0x3fff3fff, 0x00ff0fff,
301 	0x8b10, 0x0000ff0f, 0x00000000,
302 	0x28a4c, 0x07ffffff, 0x06000000,
303 	0x4d8, 0x00000fff, 0x00000100,
304 	0xa008, 0xffffffff, 0x00010000,
305 	0x913c, 0xffff03ff, 0x01000100,
306 	0x8c00, 0x000000ff, 0x00000003,
307 	0x8c04, 0xf8ff00ff, 0x40600060,
308 	0x8cf0, 0x1fff1fff, 0x08e00410,
309 	0x28350, 0x00000f01, 0x00000000,
310 	0x9508, 0xf700071f, 0x00000002,
311 	0x960c, 0xffffffff, 0x54763210,
312 	0x20ef8, 0x01ff01ff, 0x00000002,
313 	0x20e98, 0xfffffbff, 0x00200000,
314 	0x2015c, 0xffffffff, 0x00000f40,
315 	0x88c4, 0x001f3ae3, 0x00000082,
316 	0x8978, 0x3fffffff, 0x04050140,
317 	0x88d4, 0x0000001f, 0x00000010,
318 	0x8974, 0xffffffff, 0x00000000
319 };
320 
321 static const u32 scrapper_golden_registers[] =
322 {
323 	0x690, 0x3fff3fff, 0x20c00033,
324 	0x918c, 0x0fff0fff, 0x00010006,
325 	0x918c, 0x0fff0fff, 0x00010006,
326 	0x91a8, 0x0fff0fff, 0x00010006,
327 	0x91a8, 0x0fff0fff, 0x00010006,
328 	0x9150, 0xffffdfff, 0x6e944040,
329 	0x9150, 0xffffdfff, 0x6e944040,
330 	0x917c, 0x0fff0fff, 0x00030002,
331 	0x917c, 0x0fff0fff, 0x00030002,
332 	0x9198, 0x0fff0fff, 0x00030002,
333 	0x9198, 0x0fff0fff, 0x00030002,
334 	0x915c, 0x0fff0fff, 0x00010000,
335 	0x915c, 0x0fff0fff, 0x00010000,
336 	0x3f90, 0xffff0001, 0xff000000,
337 	0x3f90, 0xffff0001, 0xff000000,
338 	0x9178, 0x0fff0fff, 0x00070000,
339 	0x9178, 0x0fff0fff, 0x00070000,
340 	0x9194, 0x0fff0fff, 0x00070000,
341 	0x9194, 0x0fff0fff, 0x00070000,
342 	0x9148, 0xffff0001, 0xff000000,
343 	0x9148, 0xffff0001, 0xff000000,
344 	0x9190, 0x0fff0fff, 0x00090008,
345 	0x9190, 0x0fff0fff, 0x00090008,
346 	0x91ac, 0x0fff0fff, 0x00090008,
347 	0x91ac, 0x0fff0fff, 0x00090008,
348 	0x3f94, 0xffff0000, 0xff000000,
349 	0x3f94, 0xffff0000, 0xff000000,
350 	0x914c, 0xffff0000, 0xff000000,
351 	0x914c, 0xffff0000, 0xff000000,
352 	0x929c, 0x00000fff, 0x00000001,
353 	0x929c, 0x00000fff, 0x00000001,
354 	0x55e4, 0xff607fff, 0xfc000100,
355 	0x8a18, 0xff000fff, 0x00000100,
356 	0x8a18, 0xff000fff, 0x00000100,
357 	0x8b28, 0xff000fff, 0x00000100,
358 	0x8b28, 0xff000fff, 0x00000100,
359 	0x9144, 0xfffc0fff, 0x00000100,
360 	0x9144, 0xfffc0fff, 0x00000100,
361 	0x6ed8, 0x00010101, 0x00010000,
362 	0x9830, 0xffffffff, 0x00000000,
363 	0x9830, 0xffffffff, 0x00000000,
364 	0x9834, 0xf00fffff, 0x00000400,
365 	0x9834, 0xf00fffff, 0x00000400,
366 	0x9838, 0xfffffffe, 0x00000000,
367 	0x9838, 0xfffffffe, 0x00000000,
368 	0xd0c0, 0xff000fff, 0x00000100,
369 	0xd02c, 0xbfffff1f, 0x08421000,
370 	0xd02c, 0xbfffff1f, 0x08421000,
371 	0xd0b8, 0x73773777, 0x12010001,
372 	0xd0b8, 0x73773777, 0x12010001,
373 	0x5bb0, 0x000000f0, 0x00000070,
374 	0x98f8, 0x73773777, 0x12010001,
375 	0x98f8, 0x73773777, 0x12010001,
376 	0x98fc, 0xffffffff, 0x00000010,
377 	0x98fc, 0xffffffff, 0x00000010,
378 	0x9b7c, 0x00ff0000, 0x00fc0000,
379 	0x9b7c, 0x00ff0000, 0x00fc0000,
380 	0x8030, 0x00001f0f, 0x0000100a,
381 	0x8030, 0x00001f0f, 0x0000100a,
382 	0x2f48, 0x73773777, 0x12010001,
383 	0x2f48, 0x73773777, 0x12010001,
384 	0x2408, 0x00030000, 0x000c007f,
385 	0x8a14, 0xf000003f, 0x00000007,
386 	0x8a14, 0xf000003f, 0x00000007,
387 	0x8b24, 0x3fff3fff, 0x00ff0fff,
388 	0x8b24, 0x3fff3fff, 0x00ff0fff,
389 	0x8b10, 0x0000ff0f, 0x00000000,
390 	0x8b10, 0x0000ff0f, 0x00000000,
391 	0x28a4c, 0x07ffffff, 0x06000000,
392 	0x28a4c, 0x07ffffff, 0x06000000,
393 	0x4d8, 0x00000fff, 0x00000100,
394 	0x4d8, 0x00000fff, 0x00000100,
395 	0xa008, 0xffffffff, 0x00010000,
396 	0xa008, 0xffffffff, 0x00010000,
397 	0x913c, 0xffff03ff, 0x01000100,
398 	0x913c, 0xffff03ff, 0x01000100,
399 	0x90e8, 0x001fffff, 0x010400c0,
400 	0x8c00, 0x000000ff, 0x00000003,
401 	0x8c00, 0x000000ff, 0x00000003,
402 	0x8c04, 0xf8ff00ff, 0x40600060,
403 	0x8c04, 0xf8ff00ff, 0x40600060,
404 	0x8c30, 0x0000000f, 0x00040005,
405 	0x8cf0, 0x1fff1fff, 0x08e00410,
406 	0x8cf0, 0x1fff1fff, 0x08e00410,
407 	0x900c, 0x00ffffff, 0x0017071f,
408 	0x28350, 0x00000f01, 0x00000000,
409 	0x28350, 0x00000f01, 0x00000000,
410 	0x9508, 0xf700071f, 0x00000002,
411 	0x9508, 0xf700071f, 0x00000002,
412 	0x9688, 0x00300000, 0x0017000f,
413 	0x960c, 0xffffffff, 0x54763210,
414 	0x960c, 0xffffffff, 0x54763210,
415 	0x20ef8, 0x01ff01ff, 0x00000002,
416 	0x20e98, 0xfffffbff, 0x00200000,
417 	0x2015c, 0xffffffff, 0x00000f40,
418 	0x88c4, 0x001f3ae3, 0x00000082,
419 	0x88c4, 0x001f3ae3, 0x00000082,
420 	0x8978, 0x3fffffff, 0x04050140,
421 	0x8978, 0x3fffffff, 0x04050140,
422 	0x88d4, 0x0000001f, 0x00000010,
423 	0x88d4, 0x0000001f, 0x00000010,
424 	0x8974, 0xffffffff, 0x00000000,
425 	0x8974, 0xffffffff, 0x00000000
426 };
427 
428 static void ni_init_golden_registers(struct radeon_device *rdev)
429 {
430 	switch (rdev->family) {
431 	case CHIP_CAYMAN:
432 		radeon_program_register_sequence(rdev,
433 						 cayman_golden_registers,
434 						 (const u32)ARRAY_SIZE(cayman_golden_registers));
435 		radeon_program_register_sequence(rdev,
436 						 cayman_golden_registers2,
437 						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
438 		break;
439 	case CHIP_ARUBA:
440 		if ((rdev->pdev->device == 0x9900) ||
441 		    (rdev->pdev->device == 0x9901) ||
442 		    (rdev->pdev->device == 0x9903) ||
443 		    (rdev->pdev->device == 0x9904) ||
444 		    (rdev->pdev->device == 0x9905) ||
445 		    (rdev->pdev->device == 0x9906) ||
446 		    (rdev->pdev->device == 0x9907) ||
447 		    (rdev->pdev->device == 0x9908) ||
448 		    (rdev->pdev->device == 0x9909) ||
449 		    (rdev->pdev->device == 0x990A) ||
450 		    (rdev->pdev->device == 0x990B) ||
451 		    (rdev->pdev->device == 0x990C) ||
452 		    (rdev->pdev->device == 0x990D) ||
453 		    (rdev->pdev->device == 0x990E) ||
454 		    (rdev->pdev->device == 0x990F) ||
455 		    (rdev->pdev->device == 0x9910) ||
456 		    (rdev->pdev->device == 0x9913) ||
457 		    (rdev->pdev->device == 0x9917) ||
458 		    (rdev->pdev->device == 0x9918)) {
459 			radeon_program_register_sequence(rdev,
460 							 dvst_golden_registers,
461 							 (const u32)ARRAY_SIZE(dvst_golden_registers));
462 			radeon_program_register_sequence(rdev,
463 							 dvst_golden_registers2,
464 							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
465 		} else {
466 			radeon_program_register_sequence(rdev,
467 							 scrapper_golden_registers,
468 							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
469 			radeon_program_register_sequence(rdev,
470 							 dvst_golden_registers2,
471 							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
472 		}
473 		break;
474 	default:
475 		break;
476 	}
477 }
478 
479 #define BTC_IO_MC_REGS_SIZE 29
480 
481 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
482 	{0x00000077, 0xff010100},
483 	{0x00000078, 0x00000000},
484 	{0x00000079, 0x00001434},
485 	{0x0000007a, 0xcc08ec08},
486 	{0x0000007b, 0x00040000},
487 	{0x0000007c, 0x000080c0},
488 	{0x0000007d, 0x09000000},
489 	{0x0000007e, 0x00210404},
490 	{0x00000081, 0x08a8e800},
491 	{0x00000082, 0x00030444},
492 	{0x00000083, 0x00000000},
493 	{0x00000085, 0x00000001},
494 	{0x00000086, 0x00000002},
495 	{0x00000087, 0x48490000},
496 	{0x00000088, 0x20244647},
497 	{0x00000089, 0x00000005},
498 	{0x0000008b, 0x66030000},
499 	{0x0000008c, 0x00006603},
500 	{0x0000008d, 0x00000100},
501 	{0x0000008f, 0x00001c0a},
502 	{0x00000090, 0xff000001},
503 	{0x00000094, 0x00101101},
504 	{0x00000095, 0x00000fff},
505 	{0x00000096, 0x00116fff},
506 	{0x00000097, 0x60010000},
507 	{0x00000098, 0x10010000},
508 	{0x00000099, 0x00006000},
509 	{0x0000009a, 0x00001000},
510 	{0x0000009f, 0x00946a00}
511 };
512 
513 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
514 	{0x00000077, 0xff010100},
515 	{0x00000078, 0x00000000},
516 	{0x00000079, 0x00001434},
517 	{0x0000007a, 0xcc08ec08},
518 	{0x0000007b, 0x00040000},
519 	{0x0000007c, 0x000080c0},
520 	{0x0000007d, 0x09000000},
521 	{0x0000007e, 0x00210404},
522 	{0x00000081, 0x08a8e800},
523 	{0x00000082, 0x00030444},
524 	{0x00000083, 0x00000000},
525 	{0x00000085, 0x00000001},
526 	{0x00000086, 0x00000002},
527 	{0x00000087, 0x48490000},
528 	{0x00000088, 0x20244647},
529 	{0x00000089, 0x00000005},
530 	{0x0000008b, 0x66030000},
531 	{0x0000008c, 0x00006603},
532 	{0x0000008d, 0x00000100},
533 	{0x0000008f, 0x00001c0a},
534 	{0x00000090, 0xff000001},
535 	{0x00000094, 0x00101101},
536 	{0x00000095, 0x00000fff},
537 	{0x00000096, 0x00116fff},
538 	{0x00000097, 0x60010000},
539 	{0x00000098, 0x10010000},
540 	{0x00000099, 0x00006000},
541 	{0x0000009a, 0x00001000},
542 	{0x0000009f, 0x00936a00}
543 };
544 
545 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
546 	{0x00000077, 0xff010100},
547 	{0x00000078, 0x00000000},
548 	{0x00000079, 0x00001434},
549 	{0x0000007a, 0xcc08ec08},
550 	{0x0000007b, 0x00040000},
551 	{0x0000007c, 0x000080c0},
552 	{0x0000007d, 0x09000000},
553 	{0x0000007e, 0x00210404},
554 	{0x00000081, 0x08a8e800},
555 	{0x00000082, 0x00030444},
556 	{0x00000083, 0x00000000},
557 	{0x00000085, 0x00000001},
558 	{0x00000086, 0x00000002},
559 	{0x00000087, 0x48490000},
560 	{0x00000088, 0x20244647},
561 	{0x00000089, 0x00000005},
562 	{0x0000008b, 0x66030000},
563 	{0x0000008c, 0x00006603},
564 	{0x0000008d, 0x00000100},
565 	{0x0000008f, 0x00001c0a},
566 	{0x00000090, 0xff000001},
567 	{0x00000094, 0x00101101},
568 	{0x00000095, 0x00000fff},
569 	{0x00000096, 0x00116fff},
570 	{0x00000097, 0x60010000},
571 	{0x00000098, 0x10010000},
572 	{0x00000099, 0x00006000},
573 	{0x0000009a, 0x00001000},
574 	{0x0000009f, 0x00916a00}
575 };
576 
577 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
578 	{0x00000077, 0xff010100},
579 	{0x00000078, 0x00000000},
580 	{0x00000079, 0x00001434},
581 	{0x0000007a, 0xcc08ec08},
582 	{0x0000007b, 0x00040000},
583 	{0x0000007c, 0x000080c0},
584 	{0x0000007d, 0x09000000},
585 	{0x0000007e, 0x00210404},
586 	{0x00000081, 0x08a8e800},
587 	{0x00000082, 0x00030444},
588 	{0x00000083, 0x00000000},
589 	{0x00000085, 0x00000001},
590 	{0x00000086, 0x00000002},
591 	{0x00000087, 0x48490000},
592 	{0x00000088, 0x20244647},
593 	{0x00000089, 0x00000005},
594 	{0x0000008b, 0x66030000},
595 	{0x0000008c, 0x00006603},
596 	{0x0000008d, 0x00000100},
597 	{0x0000008f, 0x00001c0a},
598 	{0x00000090, 0xff000001},
599 	{0x00000094, 0x00101101},
600 	{0x00000095, 0x00000fff},
601 	{0x00000096, 0x00116fff},
602 	{0x00000097, 0x60010000},
603 	{0x00000098, 0x10010000},
604 	{0x00000099, 0x00006000},
605 	{0x0000009a, 0x00001000},
606 	{0x0000009f, 0x00976b00}
607 };
608 
609 int ni_mc_load_microcode(struct radeon_device *rdev)
610 {
611 	const __be32 *fw_data;
612 	u32 mem_type, running, blackout = 0;
613 	u32 *io_mc_regs;
614 	int i, ucode_size, regs_size;
615 
616 	if (!rdev->mc_fw)
617 		return -EINVAL;
618 
619 	switch (rdev->family) {
620 	case CHIP_BARTS:
621 		io_mc_regs = (u32 *)&barts_io_mc_regs;
622 		ucode_size = BTC_MC_UCODE_SIZE;
623 		regs_size = BTC_IO_MC_REGS_SIZE;
624 		break;
625 	case CHIP_TURKS:
626 		io_mc_regs = (u32 *)&turks_io_mc_regs;
627 		ucode_size = BTC_MC_UCODE_SIZE;
628 		regs_size = BTC_IO_MC_REGS_SIZE;
629 		break;
630 	case CHIP_CAICOS:
631 	default:
632 		io_mc_regs = (u32 *)&caicos_io_mc_regs;
633 		ucode_size = BTC_MC_UCODE_SIZE;
634 		regs_size = BTC_IO_MC_REGS_SIZE;
635 		break;
636 	case CHIP_CAYMAN:
637 		io_mc_regs = (u32 *)&cayman_io_mc_regs;
638 		ucode_size = CAYMAN_MC_UCODE_SIZE;
639 		regs_size = BTC_IO_MC_REGS_SIZE;
640 		break;
641 	}
642 
643 	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
644 	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
645 
646 	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
647 		if (running) {
648 			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
649 			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
650 		}
651 
652 		/* reset the engine and set to writable */
653 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
654 		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
655 
656 		/* load mc io regs */
657 		for (i = 0; i < regs_size; i++) {
658 			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
659 			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
660 		}
661 		/* load the MC ucode */
662 		fw_data = (const __be32 *)rdev->mc_fw->data;
663 		for (i = 0; i < ucode_size; i++)
664 			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
665 
666 		/* put the engine back into the active state */
667 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
668 		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
669 		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
670 
671 		/* wait for training to complete */
672 		for (i = 0; i < rdev->usec_timeout; i++) {
673 			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
674 				break;
675 			udelay(1);
676 		}
677 
678 		if (running)
679 			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
680 	}
681 
682 	return 0;
683 }
684 
685 int ni_init_microcode(struct radeon_device *rdev)
686 {
687 	const char *chip_name;
688 	const char *rlc_chip_name;
689 	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
690 	size_t smc_req_size = 0;
691 	char fw_name[30];
692 	int err;
693 
694 	DRM_DEBUG("\n");
695 
696 	switch (rdev->family) {
697 	case CHIP_BARTS:
698 		chip_name = "BARTS";
699 		rlc_chip_name = "BTC";
700 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
701 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
702 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
703 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
704 		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
705 		break;
706 	case CHIP_TURKS:
707 		chip_name = "TURKS";
708 		rlc_chip_name = "BTC";
709 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
710 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
711 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
712 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
713 		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
714 		break;
715 	case CHIP_CAICOS:
716 		chip_name = "CAICOS";
717 		rlc_chip_name = "BTC";
718 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
719 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
720 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
721 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
722 		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
723 		break;
724 	case CHIP_CAYMAN:
725 		chip_name = "CAYMAN";
726 		rlc_chip_name = "CAYMAN";
727 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
728 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
729 		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
730 		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
731 		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
732 		break;
733 	case CHIP_ARUBA:
734 		chip_name = "ARUBA";
735 		rlc_chip_name = "ARUBA";
736 		/* pfp/me same size as CAYMAN */
737 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
738 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
739 		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
740 		mc_req_size = 0;
741 		break;
742 	default: BUG();
743 	}
744 
745 	DRM_INFO("Loading %s Microcode\n", chip_name);
746 
747 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
748 	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
749 	if (err)
750 		goto out;
751 	if (rdev->pfp_fw->size != pfp_req_size) {
752 		printk(KERN_ERR
753 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
754 		       rdev->pfp_fw->size, fw_name);
755 		err = -EINVAL;
756 		goto out;
757 	}
758 
759 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
760 	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
761 	if (err)
762 		goto out;
763 	if (rdev->me_fw->size != me_req_size) {
764 		printk(KERN_ERR
765 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
766 		       rdev->me_fw->size, fw_name);
767 		err = -EINVAL;
768 	}
769 
770 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
771 	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
772 	if (err)
773 		goto out;
774 	if (rdev->rlc_fw->size != rlc_req_size) {
775 		printk(KERN_ERR
776 		       "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
777 		       rdev->rlc_fw->size, fw_name);
778 		err = -EINVAL;
779 	}
780 
781 	/* no MC ucode on TN */
782 	if (!(rdev->flags & RADEON_IS_IGP)) {
783 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
784 		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
785 		if (err)
786 			goto out;
787 		if (rdev->mc_fw->size != mc_req_size) {
788 			printk(KERN_ERR
789 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
790 			       rdev->mc_fw->size, fw_name);
791 			err = -EINVAL;
792 		}
793 	}
794 
795 	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
796 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
797 		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
798 		if (err) {
799 			printk(KERN_ERR
800 			       "smc: error loading firmware \"%s\"\n",
801 			       fw_name);
802 			release_firmware(rdev->smc_fw);
803 			rdev->smc_fw = NULL;
804 			err = 0;
805 		} else if (rdev->smc_fw->size != smc_req_size) {
806 			printk(KERN_ERR
807 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
808 			       rdev->mc_fw->size, fw_name);
809 			err = -EINVAL;
810 		}
811 	}
812 
813 out:
814 	if (err) {
815 		if (err != -EINVAL)
816 			printk(KERN_ERR
817 			       "ni_cp: Failed to load firmware \"%s\"\n",
818 			       fw_name);
819 		release_firmware(rdev->pfp_fw);
820 		rdev->pfp_fw = NULL;
821 		release_firmware(rdev->me_fw);
822 		rdev->me_fw = NULL;
823 		release_firmware(rdev->rlc_fw);
824 		rdev->rlc_fw = NULL;
825 		release_firmware(rdev->mc_fw);
826 		rdev->mc_fw = NULL;
827 	}
828 	return err;
829 }
830 
831 /**
832  * cayman_get_allowed_info_register - fetch the register for the info ioctl
833  *
834  * @rdev: radeon_device pointer
835  * @reg: register offset in bytes
836  * @val: register value
837  *
838  * Returns 0 for success or -EINVAL for an invalid register
839  *
840  */
841 int cayman_get_allowed_info_register(struct radeon_device *rdev,
842 				     u32 reg, u32 *val)
843 {
844 	switch (reg) {
845 	case GRBM_STATUS:
846 	case GRBM_STATUS_SE0:
847 	case GRBM_STATUS_SE1:
848 	case SRBM_STATUS:
849 	case SRBM_STATUS2:
850 	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
851 	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
852 	case UVD_STATUS:
853 		*val = RREG32(reg);
854 		return 0;
855 	default:
856 		return -EINVAL;
857 	}
858 }
859 
860 int tn_get_temp(struct radeon_device *rdev)
861 {
862 	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
863 	int actual_temp = (temp / 8) - 49;
864 
865 	return actual_temp * 1000;
866 }
867 
868 /*
869  * Core functions
870  */
871 static void cayman_gpu_init(struct radeon_device *rdev)
872 {
873 	u32 gb_addr_config = 0;
874 	u32 mc_shared_chmap, mc_arb_ramcfg;
875 	u32 cgts_tcc_disable;
876 	u32 sx_debug_1;
877 	u32 smx_dc_ctl0;
878 	u32 cgts_sm_ctrl_reg;
879 	u32 hdp_host_path_cntl;
880 	u32 tmp;
881 	u32 disabled_rb_mask;
882 	int i, j;
883 
884 	switch (rdev->family) {
885 	case CHIP_CAYMAN:
886 		rdev->config.cayman.max_shader_engines = 2;
887 		rdev->config.cayman.max_pipes_per_simd = 4;
888 		rdev->config.cayman.max_tile_pipes = 8;
889 		rdev->config.cayman.max_simds_per_se = 12;
890 		rdev->config.cayman.max_backends_per_se = 4;
891 		rdev->config.cayman.max_texture_channel_caches = 8;
892 		rdev->config.cayman.max_gprs = 256;
893 		rdev->config.cayman.max_threads = 256;
894 		rdev->config.cayman.max_gs_threads = 32;
895 		rdev->config.cayman.max_stack_entries = 512;
896 		rdev->config.cayman.sx_num_of_sets = 8;
897 		rdev->config.cayman.sx_max_export_size = 256;
898 		rdev->config.cayman.sx_max_export_pos_size = 64;
899 		rdev->config.cayman.sx_max_export_smx_size = 192;
900 		rdev->config.cayman.max_hw_contexts = 8;
901 		rdev->config.cayman.sq_num_cf_insts = 2;
902 
903 		rdev->config.cayman.sc_prim_fifo_size = 0x100;
904 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
905 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
906 		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
907 		break;
908 	case CHIP_ARUBA:
909 	default:
910 		rdev->config.cayman.max_shader_engines = 1;
911 		rdev->config.cayman.max_pipes_per_simd = 4;
912 		rdev->config.cayman.max_tile_pipes = 2;
913 		if ((rdev->pdev->device == 0x9900) ||
914 		    (rdev->pdev->device == 0x9901) ||
915 		    (rdev->pdev->device == 0x9905) ||
916 		    (rdev->pdev->device == 0x9906) ||
917 		    (rdev->pdev->device == 0x9907) ||
918 		    (rdev->pdev->device == 0x9908) ||
919 		    (rdev->pdev->device == 0x9909) ||
920 		    (rdev->pdev->device == 0x990B) ||
921 		    (rdev->pdev->device == 0x990C) ||
922 		    (rdev->pdev->device == 0x990F) ||
923 		    (rdev->pdev->device == 0x9910) ||
924 		    (rdev->pdev->device == 0x9917) ||
925 		    (rdev->pdev->device == 0x9999) ||
926 		    (rdev->pdev->device == 0x999C)) {
927 			rdev->config.cayman.max_simds_per_se = 6;
928 			rdev->config.cayman.max_backends_per_se = 2;
929 			rdev->config.cayman.max_hw_contexts = 8;
930 			rdev->config.cayman.sx_max_export_size = 256;
931 			rdev->config.cayman.sx_max_export_pos_size = 64;
932 			rdev->config.cayman.sx_max_export_smx_size = 192;
933 		} else if ((rdev->pdev->device == 0x9903) ||
934 			   (rdev->pdev->device == 0x9904) ||
935 			   (rdev->pdev->device == 0x990A) ||
936 			   (rdev->pdev->device == 0x990D) ||
937 			   (rdev->pdev->device == 0x990E) ||
938 			   (rdev->pdev->device == 0x9913) ||
939 			   (rdev->pdev->device == 0x9918) ||
940 			   (rdev->pdev->device == 0x999D)) {
941 			rdev->config.cayman.max_simds_per_se = 4;
942 			rdev->config.cayman.max_backends_per_se = 2;
943 			rdev->config.cayman.max_hw_contexts = 8;
944 			rdev->config.cayman.sx_max_export_size = 256;
945 			rdev->config.cayman.sx_max_export_pos_size = 64;
946 			rdev->config.cayman.sx_max_export_smx_size = 192;
947 		} else if ((rdev->pdev->device == 0x9919) ||
948 			   (rdev->pdev->device == 0x9990) ||
949 			   (rdev->pdev->device == 0x9991) ||
950 			   (rdev->pdev->device == 0x9994) ||
951 			   (rdev->pdev->device == 0x9995) ||
952 			   (rdev->pdev->device == 0x9996) ||
953 			   (rdev->pdev->device == 0x999A) ||
954 			   (rdev->pdev->device == 0x99A0)) {
955 			rdev->config.cayman.max_simds_per_se = 3;
956 			rdev->config.cayman.max_backends_per_se = 1;
957 			rdev->config.cayman.max_hw_contexts = 4;
958 			rdev->config.cayman.sx_max_export_size = 128;
959 			rdev->config.cayman.sx_max_export_pos_size = 32;
960 			rdev->config.cayman.sx_max_export_smx_size = 96;
961 		} else {
962 			rdev->config.cayman.max_simds_per_se = 2;
963 			rdev->config.cayman.max_backends_per_se = 1;
964 			rdev->config.cayman.max_hw_contexts = 4;
965 			rdev->config.cayman.sx_max_export_size = 128;
966 			rdev->config.cayman.sx_max_export_pos_size = 32;
967 			rdev->config.cayman.sx_max_export_smx_size = 96;
968 		}
969 		rdev->config.cayman.max_texture_channel_caches = 2;
970 		rdev->config.cayman.max_gprs = 256;
971 		rdev->config.cayman.max_threads = 256;
972 		rdev->config.cayman.max_gs_threads = 32;
973 		rdev->config.cayman.max_stack_entries = 512;
974 		rdev->config.cayman.sx_num_of_sets = 8;
975 		rdev->config.cayman.sq_num_cf_insts = 2;
976 
977 		rdev->config.cayman.sc_prim_fifo_size = 0x40;
978 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
979 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
980 		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
981 		break;
982 	}
983 
984 	/* Initialize HDP */
985 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
986 		WREG32((0x2c14 + j), 0x00000000);
987 		WREG32((0x2c18 + j), 0x00000000);
988 		WREG32((0x2c1c + j), 0x00000000);
989 		WREG32((0x2c20 + j), 0x00000000);
990 		WREG32((0x2c24 + j), 0x00000000);
991 	}
992 
993 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
994 	WREG32(SRBM_INT_CNTL, 0x1);
995 	WREG32(SRBM_INT_ACK, 0x1);
996 
997 	evergreen_fix_pci_max_read_req_size(rdev);
998 
999 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1000 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1001 
1002 	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
1003 	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
1004 	if (rdev->config.cayman.mem_row_size_in_kb > 4)
1005 		rdev->config.cayman.mem_row_size_in_kb = 4;
1006 	/* XXX use MC settings? */
1007 	rdev->config.cayman.shader_engine_tile_size = 32;
1008 	rdev->config.cayman.num_gpus = 1;
1009 	rdev->config.cayman.multi_gpu_tile_size = 64;
1010 
1011 	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1012 	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1013 	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1014 	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1015 	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1016 	rdev->config.cayman.num_shader_engines = tmp + 1;
1017 	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1018 	rdev->config.cayman.num_gpus = tmp + 1;
1019 	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1020 	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1021 	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1022 	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1023 
1024 
1025 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1026 	 * not have bank info, so create a custom tiling dword.
1027 	 * bits 3:0   num_pipes
1028 	 * bits 7:4   num_banks
1029 	 * bits 11:8  group_size
1030 	 * bits 15:12 row_size
1031 	 */
1032 	rdev->config.cayman.tile_config = 0;
1033 	switch (rdev->config.cayman.num_tile_pipes) {
1034 	case 1:
1035 	default:
1036 		rdev->config.cayman.tile_config |= (0 << 0);
1037 		break;
1038 	case 2:
1039 		rdev->config.cayman.tile_config |= (1 << 0);
1040 		break;
1041 	case 4:
1042 		rdev->config.cayman.tile_config |= (2 << 0);
1043 		break;
1044 	case 8:
1045 		rdev->config.cayman.tile_config |= (3 << 0);
1046 		break;
1047 	}
1048 
1049 	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1050 	if (rdev->flags & RADEON_IS_IGP)
1051 		rdev->config.cayman.tile_config |= 1 << 4;
1052 	else {
1053 		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1054 		case 0: /* four banks */
1055 			rdev->config.cayman.tile_config |= 0 << 4;
1056 			break;
1057 		case 1: /* eight banks */
1058 			rdev->config.cayman.tile_config |= 1 << 4;
1059 			break;
1060 		case 2: /* sixteen banks */
1061 		default:
1062 			rdev->config.cayman.tile_config |= 2 << 4;
1063 			break;
1064 		}
1065 	}
1066 	rdev->config.cayman.tile_config |=
1067 		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1068 	rdev->config.cayman.tile_config |=
1069 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1070 
1071 	tmp = 0;
1072 	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1073 		u32 rb_disable_bitmap;
1074 
1075 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1076 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1077 		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1078 		tmp <<= 4;
1079 		tmp |= rb_disable_bitmap;
1080 	}
1081 	/* enabled rb are just the one not disabled :) */
1082 	disabled_rb_mask = tmp;
1083 	tmp = 0;
1084 	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1085 		tmp |= (1 << i);
1086 	/* if all the backends are disabled, fix it up here */
1087 	if ((disabled_rb_mask & tmp) == tmp) {
1088 		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1089 			disabled_rb_mask &= ~(1 << i);
1090 	}
1091 
1092 	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1093 		u32 simd_disable_bitmap;
1094 
1095 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1096 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1097 		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1098 		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1099 		tmp <<= 16;
1100 		tmp |= simd_disable_bitmap;
1101 	}
1102 	rdev->config.cayman.active_simds = hweight32(~tmp);
1103 
1104 	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1105 	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1106 
1107 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1108 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1109 	if (ASIC_IS_DCE6(rdev))
1110 		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1111 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1112 	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1113 	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1114 	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1115 	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1116 	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1117 
1118 	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1119 	    (rdev->flags & RADEON_IS_IGP)) {
1120 		if ((disabled_rb_mask & 3) == 2) {
1121 			/* RB1 disabled, RB0 enabled */
1122 			tmp = 0x00000000;
1123 		} else {
1124 			/* RB0 disabled, RB1 enabled */
1125 			tmp = 0x11111111;
1126 		}
1127 	} else {
1128 		tmp = gb_addr_config & NUM_PIPES_MASK;
1129 		tmp = r6xx_remap_render_backend(rdev, tmp,
1130 						rdev->config.cayman.max_backends_per_se *
1131 						rdev->config.cayman.max_shader_engines,
1132 						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1133 	}
1134 	WREG32(GB_BACKEND_MAP, tmp);
1135 
1136 	cgts_tcc_disable = 0xffff0000;
1137 	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1138 		cgts_tcc_disable &= ~(1 << (16 + i));
1139 	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1140 	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1141 	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1142 	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1143 
1144 	/* reprogram the shader complex */
1145 	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1146 	for (i = 0; i < 16; i++)
1147 		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1148 	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1149 
1150 	/* set HW defaults for 3D engine */
1151 	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1152 
1153 	sx_debug_1 = RREG32(SX_DEBUG_1);
1154 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1155 	WREG32(SX_DEBUG_1, sx_debug_1);
1156 
1157 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1158 	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1159 	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1160 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1161 
1162 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1163 
1164 	/* need to be explicitly zero-ed */
1165 	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1166 	WREG32(SQ_LSTMP_RING_BASE, 0);
1167 	WREG32(SQ_HSTMP_RING_BASE, 0);
1168 	WREG32(SQ_ESTMP_RING_BASE, 0);
1169 	WREG32(SQ_GSTMP_RING_BASE, 0);
1170 	WREG32(SQ_VSTMP_RING_BASE, 0);
1171 	WREG32(SQ_PSTMP_RING_BASE, 0);
1172 
1173 	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1174 
1175 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1176 					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1177 					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1178 
1179 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1180 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1181 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1182 
1183 
1184 	WREG32(VGT_NUM_INSTANCES, 1);
1185 
1186 	WREG32(CP_PERFMON_CNTL, 0);
1187 
1188 	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1189 				  FETCH_FIFO_HIWATER(0x4) |
1190 				  DONE_FIFO_HIWATER(0xe0) |
1191 				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1192 
1193 	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1194 	WREG32(SQ_CONFIG, (VC_ENABLE |
1195 			   EXPORT_SRC_C |
1196 			   GFX_PRIO(0) |
1197 			   CS1_PRIO(0) |
1198 			   CS2_PRIO(1)));
1199 	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1200 
1201 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1202 					  FORCE_EOV_MAX_REZ_CNT(255)));
1203 
1204 	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1205 	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1206 
1207 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1208 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1209 
1210 	WREG32(CB_PERF_CTR0_SEL_0, 0);
1211 	WREG32(CB_PERF_CTR0_SEL_1, 0);
1212 	WREG32(CB_PERF_CTR1_SEL_0, 0);
1213 	WREG32(CB_PERF_CTR1_SEL_1, 0);
1214 	WREG32(CB_PERF_CTR2_SEL_0, 0);
1215 	WREG32(CB_PERF_CTR2_SEL_1, 0);
1216 	WREG32(CB_PERF_CTR3_SEL_0, 0);
1217 	WREG32(CB_PERF_CTR3_SEL_1, 0);
1218 
1219 	tmp = RREG32(HDP_MISC_CNTL);
1220 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1221 	WREG32(HDP_MISC_CNTL, tmp);
1222 
1223 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1224 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1225 
1226 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1227 
1228 	udelay(50);
1229 
1230 	/* set clockgating golden values on TN */
1231 	if (rdev->family == CHIP_ARUBA) {
1232 		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1233 		tmp &= ~0x00380000;
1234 		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1235                 tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1236 		tmp &= ~0x0e000000;
1237 		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1238 	}
1239 }
1240 
1241 /*
1242  * GART
1243  */
1244 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1245 {
1246 	/* flush hdp cache */
1247 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1248 
1249 	/* bits 0-7 are the VM contexts0-7 */
1250 	WREG32(VM_INVALIDATE_REQUEST, 1);
1251 }
1252 
1253 static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1254 {
1255 	int i, r;
1256 
1257 	if (rdev->gart.robj == NULL) {
1258 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1259 		return -EINVAL;
1260 	}
1261 	r = radeon_gart_table_vram_pin(rdev);
1262 	if (r)
1263 		return r;
1264 	/* Setup TLB control */
1265 	WREG32(MC_VM_MX_L1_TLB_CNTL,
1266 	       (0xA << 7) |
1267 	       ENABLE_L1_TLB |
1268 	       ENABLE_L1_FRAGMENT_PROCESSING |
1269 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1270 	       ENABLE_ADVANCED_DRIVER_MODEL |
1271 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1272 	/* Setup L2 cache */
1273 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1274 	       ENABLE_L2_FRAGMENT_PROCESSING |
1275 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1276 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1277 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1278 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1279 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1280 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1281 	       BANK_SELECT(6) |
1282 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1283 	/* setup context0 */
1284 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1285 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1286 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1287 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1288 			(u32)(rdev->dummy_page.addr >> 12));
1289 	WREG32(VM_CONTEXT0_CNTL2, 0);
1290 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1291 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1292 
1293 	WREG32(0x15D4, 0);
1294 	WREG32(0x15D8, 0);
1295 	WREG32(0x15DC, 0);
1296 
1297 	/* empty context1-7 */
1298 	/* Assign the pt base to something valid for now; the pts used for
1299 	 * the VMs are determined by the application and setup and assigned
1300 	 * on the fly in the vm part of radeon_gart.c
1301 	 */
1302 	for (i = 1; i < 8; i++) {
1303 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1304 		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
1305 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1306 		       rdev->vm_manager.saved_table_addr[i]);
1307 	}
1308 
1309 	/* enable context1-7 */
1310 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1311 	       (u32)(rdev->dummy_page.addr >> 12));
1312 	WREG32(VM_CONTEXT1_CNTL2, 4);
1313 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1314 				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1315 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1316 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1317 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1318 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1319 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1320 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1321 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1322 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1323 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1324 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1325 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1326 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1327 
1328 	cayman_pcie_gart_tlb_flush(rdev);
1329 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1330 		 (unsigned)(rdev->mc.gtt_size >> 20),
1331 		 (unsigned long long)rdev->gart.table_addr);
1332 	rdev->gart.ready = true;
1333 	return 0;
1334 }
1335 
1336 static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1337 {
1338 	unsigned i;
1339 
1340 	for (i = 1; i < 8; ++i) {
1341 		rdev->vm_manager.saved_table_addr[i] = RREG32(
1342 			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1343 	}
1344 
1345 	/* Disable all tables */
1346 	WREG32(VM_CONTEXT0_CNTL, 0);
1347 	WREG32(VM_CONTEXT1_CNTL, 0);
1348 	/* Setup TLB control */
1349 	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1350 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1351 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1352 	/* Setup L2 cache */
1353 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1354 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1355 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1356 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1357 	WREG32(VM_L2_CNTL2, 0);
1358 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1359 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1360 	radeon_gart_table_vram_unpin(rdev);
1361 }
1362 
1363 static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1364 {
1365 	cayman_pcie_gart_disable(rdev);
1366 	radeon_gart_table_vram_free(rdev);
1367 	radeon_gart_fini(rdev);
1368 }
1369 
1370 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1371 			      int ring, u32 cp_int_cntl)
1372 {
1373 	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1374 
1375 	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1376 	WREG32(CP_INT_CNTL, cp_int_cntl);
1377 }
1378 
1379 /*
1380  * CP.
1381  */
1382 void cayman_fence_ring_emit(struct radeon_device *rdev,
1383 			    struct radeon_fence *fence)
1384 {
1385 	struct radeon_ring *ring = &rdev->ring[fence->ring];
1386 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1387 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1388 		PACKET3_SH_ACTION_ENA;
1389 
1390 	/* flush read cache over gart for this vmid */
1391 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1392 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1393 	radeon_ring_write(ring, 0xFFFFFFFF);
1394 	radeon_ring_write(ring, 0);
1395 	radeon_ring_write(ring, 10); /* poll interval */
1396 	/* EVENT_WRITE_EOP - flush caches, send int */
1397 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1398 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1399 	radeon_ring_write(ring, lower_32_bits(addr));
1400 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1401 	radeon_ring_write(ring, fence->seq);
1402 	radeon_ring_write(ring, 0);
1403 }
1404 
1405 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1406 {
1407 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1408 	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1409 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1410 		PACKET3_SH_ACTION_ENA;
1411 
1412 	/* set to DX10/11 mode */
1413 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1414 	radeon_ring_write(ring, 1);
1415 
1416 	if (ring->rptr_save_reg) {
1417 		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1418 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1419 		radeon_ring_write(ring, ((ring->rptr_save_reg -
1420 					  PACKET3_SET_CONFIG_REG_START) >> 2));
1421 		radeon_ring_write(ring, next_rptr);
1422 	}
1423 
1424 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1425 	radeon_ring_write(ring,
1426 #ifdef __BIG_ENDIAN
1427 			  (2 << 0) |
1428 #endif
1429 			  (ib->gpu_addr & 0xFFFFFFFC));
1430 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1431 	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1432 
1433 	/* flush read cache over gart for this vmid */
1434 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1435 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1436 	radeon_ring_write(ring, 0xFFFFFFFF);
1437 	radeon_ring_write(ring, 0);
1438 	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1439 }
1440 
1441 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1442 {
1443 	if (enable)
1444 		WREG32(CP_ME_CNTL, 0);
1445 	else {
1446 		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1447 			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1448 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1449 		WREG32(SCRATCH_UMSK, 0);
1450 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1451 	}
1452 }
1453 
1454 u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1455 			struct radeon_ring *ring)
1456 {
1457 	u32 rptr;
1458 
1459 	if (rdev->wb.enabled)
1460 		rptr = rdev->wb.wb[ring->rptr_offs/4];
1461 	else {
1462 		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1463 			rptr = RREG32(CP_RB0_RPTR);
1464 		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1465 			rptr = RREG32(CP_RB1_RPTR);
1466 		else
1467 			rptr = RREG32(CP_RB2_RPTR);
1468 	}
1469 
1470 	return rptr;
1471 }
1472 
1473 u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1474 			struct radeon_ring *ring)
1475 {
1476 	u32 wptr;
1477 
1478 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1479 		wptr = RREG32(CP_RB0_WPTR);
1480 	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1481 		wptr = RREG32(CP_RB1_WPTR);
1482 	else
1483 		wptr = RREG32(CP_RB2_WPTR);
1484 
1485 	return wptr;
1486 }
1487 
1488 void cayman_gfx_set_wptr(struct radeon_device *rdev,
1489 			 struct radeon_ring *ring)
1490 {
1491 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1492 		WREG32(CP_RB0_WPTR, ring->wptr);
1493 		(void)RREG32(CP_RB0_WPTR);
1494 	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1495 		WREG32(CP_RB1_WPTR, ring->wptr);
1496 		(void)RREG32(CP_RB1_WPTR);
1497 	} else {
1498 		WREG32(CP_RB2_WPTR, ring->wptr);
1499 		(void)RREG32(CP_RB2_WPTR);
1500 	}
1501 }
1502 
1503 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1504 {
1505 	const __be32 *fw_data;
1506 	int i;
1507 
1508 	if (!rdev->me_fw || !rdev->pfp_fw)
1509 		return -EINVAL;
1510 
1511 	cayman_cp_enable(rdev, false);
1512 
1513 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1514 	WREG32(CP_PFP_UCODE_ADDR, 0);
1515 	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1516 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1517 	WREG32(CP_PFP_UCODE_ADDR, 0);
1518 
1519 	fw_data = (const __be32 *)rdev->me_fw->data;
1520 	WREG32(CP_ME_RAM_WADDR, 0);
1521 	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1522 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1523 
1524 	WREG32(CP_PFP_UCODE_ADDR, 0);
1525 	WREG32(CP_ME_RAM_WADDR, 0);
1526 	WREG32(CP_ME_RAM_RADDR, 0);
1527 	return 0;
1528 }
1529 
1530 static int cayman_cp_start(struct radeon_device *rdev)
1531 {
1532 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1533 	int r, i;
1534 
1535 	r = radeon_ring_lock(rdev, ring, 7);
1536 	if (r) {
1537 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1538 		return r;
1539 	}
1540 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1541 	radeon_ring_write(ring, 0x1);
1542 	radeon_ring_write(ring, 0x0);
1543 	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1544 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1545 	radeon_ring_write(ring, 0);
1546 	radeon_ring_write(ring, 0);
1547 	radeon_ring_unlock_commit(rdev, ring, false);
1548 
1549 	cayman_cp_enable(rdev, true);
1550 
1551 	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1552 	if (r) {
1553 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1554 		return r;
1555 	}
1556 
1557 	/* setup clear context state */
1558 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1559 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1560 
1561 	for (i = 0; i < cayman_default_size; i++)
1562 		radeon_ring_write(ring, cayman_default_state[i]);
1563 
1564 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1565 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1566 
1567 	/* set clear context state */
1568 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1569 	radeon_ring_write(ring, 0);
1570 
1571 	/* SQ_VTX_BASE_VTX_LOC */
1572 	radeon_ring_write(ring, 0xc0026f00);
1573 	radeon_ring_write(ring, 0x00000000);
1574 	radeon_ring_write(ring, 0x00000000);
1575 	radeon_ring_write(ring, 0x00000000);
1576 
1577 	/* Clear consts */
1578 	radeon_ring_write(ring, 0xc0036f00);
1579 	radeon_ring_write(ring, 0x00000bc4);
1580 	radeon_ring_write(ring, 0xffffffff);
1581 	radeon_ring_write(ring, 0xffffffff);
1582 	radeon_ring_write(ring, 0xffffffff);
1583 
1584 	radeon_ring_write(ring, 0xc0026900);
1585 	radeon_ring_write(ring, 0x00000316);
1586 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1587 	radeon_ring_write(ring, 0x00000010); /*  */
1588 
1589 	radeon_ring_unlock_commit(rdev, ring, false);
1590 
1591 	/* XXX init other rings */
1592 
1593 	return 0;
1594 }
1595 
1596 static void cayman_cp_fini(struct radeon_device *rdev)
1597 {
1598 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1599 	cayman_cp_enable(rdev, false);
1600 	radeon_ring_fini(rdev, ring);
1601 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1602 }
1603 
1604 static int cayman_cp_resume(struct radeon_device *rdev)
1605 {
1606 	static const int ridx[] = {
1607 		RADEON_RING_TYPE_GFX_INDEX,
1608 		CAYMAN_RING_TYPE_CP1_INDEX,
1609 		CAYMAN_RING_TYPE_CP2_INDEX
1610 	};
1611 	static const unsigned cp_rb_cntl[] = {
1612 		CP_RB0_CNTL,
1613 		CP_RB1_CNTL,
1614 		CP_RB2_CNTL,
1615 	};
1616 	static const unsigned cp_rb_rptr_addr[] = {
1617 		CP_RB0_RPTR_ADDR,
1618 		CP_RB1_RPTR_ADDR,
1619 		CP_RB2_RPTR_ADDR
1620 	};
1621 	static const unsigned cp_rb_rptr_addr_hi[] = {
1622 		CP_RB0_RPTR_ADDR_HI,
1623 		CP_RB1_RPTR_ADDR_HI,
1624 		CP_RB2_RPTR_ADDR_HI
1625 	};
1626 	static const unsigned cp_rb_base[] = {
1627 		CP_RB0_BASE,
1628 		CP_RB1_BASE,
1629 		CP_RB2_BASE
1630 	};
1631 	static const unsigned cp_rb_rptr[] = {
1632 		CP_RB0_RPTR,
1633 		CP_RB1_RPTR,
1634 		CP_RB2_RPTR
1635 	};
1636 	static const unsigned cp_rb_wptr[] = {
1637 		CP_RB0_WPTR,
1638 		CP_RB1_WPTR,
1639 		CP_RB2_WPTR
1640 	};
1641 	struct radeon_ring *ring;
1642 	int i, r;
1643 
1644 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1645 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1646 				 SOFT_RESET_PA |
1647 				 SOFT_RESET_SH |
1648 				 SOFT_RESET_VGT |
1649 				 SOFT_RESET_SPI |
1650 				 SOFT_RESET_SX));
1651 	RREG32(GRBM_SOFT_RESET);
1652 	mdelay(15);
1653 	WREG32(GRBM_SOFT_RESET, 0);
1654 	RREG32(GRBM_SOFT_RESET);
1655 
1656 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1657 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1658 
1659 	/* Set the write pointer delay */
1660 	WREG32(CP_RB_WPTR_DELAY, 0);
1661 
1662 	WREG32(CP_DEBUG, (1 << 27));
1663 
1664 	/* set the wb address whether it's enabled or not */
1665 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1666 	WREG32(SCRATCH_UMSK, 0xff);
1667 
1668 	for (i = 0; i < 3; ++i) {
1669 		uint32_t rb_cntl;
1670 		uint64_t addr;
1671 
1672 		/* Set ring buffer size */
1673 		ring = &rdev->ring[ridx[i]];
1674 		rb_cntl = order_base_2(ring->ring_size / 8);
1675 		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1676 #ifdef __BIG_ENDIAN
1677 		rb_cntl |= BUF_SWAP_32BIT;
1678 #endif
1679 		WREG32(cp_rb_cntl[i], rb_cntl);
1680 
1681 		/* set the wb address whether it's enabled or not */
1682 		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1683 		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1684 		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1685 	}
1686 
1687 	/* set the rb base addr, this causes an internal reset of ALL rings */
1688 	for (i = 0; i < 3; ++i) {
1689 		ring = &rdev->ring[ridx[i]];
1690 		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1691 	}
1692 
1693 	for (i = 0; i < 3; ++i) {
1694 		/* Initialize the ring buffer's read and write pointers */
1695 		ring = &rdev->ring[ridx[i]];
1696 		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1697 
1698 		ring->wptr = 0;
1699 		WREG32(cp_rb_rptr[i], 0);
1700 		WREG32(cp_rb_wptr[i], ring->wptr);
1701 
1702 		mdelay(1);
1703 		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1704 	}
1705 
1706 	/* start the rings */
1707 	cayman_cp_start(rdev);
1708 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1709 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1710 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1711 	/* this only test cp0 */
1712 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1713 	if (r) {
1714 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1715 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1716 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1717 		return r;
1718 	}
1719 
1720 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1721 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1722 
1723 	return 0;
1724 }
1725 
1726 u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1727 {
1728 	u32 reset_mask = 0;
1729 	u32 tmp;
1730 
1731 	/* GRBM_STATUS */
1732 	tmp = RREG32(GRBM_STATUS);
1733 	if (tmp & (PA_BUSY | SC_BUSY |
1734 		   SH_BUSY | SX_BUSY |
1735 		   TA_BUSY | VGT_BUSY |
1736 		   DB_BUSY | CB_BUSY |
1737 		   GDS_BUSY | SPI_BUSY |
1738 		   IA_BUSY | IA_BUSY_NO_DMA))
1739 		reset_mask |= RADEON_RESET_GFX;
1740 
1741 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1742 		   CP_BUSY | CP_COHERENCY_BUSY))
1743 		reset_mask |= RADEON_RESET_CP;
1744 
1745 	if (tmp & GRBM_EE_BUSY)
1746 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1747 
1748 	/* DMA_STATUS_REG 0 */
1749 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1750 	if (!(tmp & DMA_IDLE))
1751 		reset_mask |= RADEON_RESET_DMA;
1752 
1753 	/* DMA_STATUS_REG 1 */
1754 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1755 	if (!(tmp & DMA_IDLE))
1756 		reset_mask |= RADEON_RESET_DMA1;
1757 
1758 	/* SRBM_STATUS2 */
1759 	tmp = RREG32(SRBM_STATUS2);
1760 	if (tmp & DMA_BUSY)
1761 		reset_mask |= RADEON_RESET_DMA;
1762 
1763 	if (tmp & DMA1_BUSY)
1764 		reset_mask |= RADEON_RESET_DMA1;
1765 
1766 	/* SRBM_STATUS */
1767 	tmp = RREG32(SRBM_STATUS);
1768 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1769 		reset_mask |= RADEON_RESET_RLC;
1770 
1771 	if (tmp & IH_BUSY)
1772 		reset_mask |= RADEON_RESET_IH;
1773 
1774 	if (tmp & SEM_BUSY)
1775 		reset_mask |= RADEON_RESET_SEM;
1776 
1777 	if (tmp & GRBM_RQ_PENDING)
1778 		reset_mask |= RADEON_RESET_GRBM;
1779 
1780 	if (tmp & VMC_BUSY)
1781 		reset_mask |= RADEON_RESET_VMC;
1782 
1783 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1784 		   MCC_BUSY | MCD_BUSY))
1785 		reset_mask |= RADEON_RESET_MC;
1786 
1787 	if (evergreen_is_display_hung(rdev))
1788 		reset_mask |= RADEON_RESET_DISPLAY;
1789 
1790 	/* VM_L2_STATUS */
1791 	tmp = RREG32(VM_L2_STATUS);
1792 	if (tmp & L2_BUSY)
1793 		reset_mask |= RADEON_RESET_VMC;
1794 
1795 	/* Skip MC reset as it's mostly likely not hung, just busy */
1796 	if (reset_mask & RADEON_RESET_MC) {
1797 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1798 		reset_mask &= ~RADEON_RESET_MC;
1799 	}
1800 
1801 	return reset_mask;
1802 }
1803 
1804 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1805 {
1806 	struct evergreen_mc_save save;
1807 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1808 	u32 tmp;
1809 
1810 	if (reset_mask == 0)
1811 		return;
1812 
1813 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1814 
1815 	evergreen_print_gpu_status_regs(rdev);
1816 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1817 		 RREG32(0x14F8));
1818 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1819 		 RREG32(0x14D8));
1820 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1821 		 RREG32(0x14FC));
1822 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1823 		 RREG32(0x14DC));
1824 
1825 	/* Disable CP parsing/prefetching */
1826 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1827 
1828 	if (reset_mask & RADEON_RESET_DMA) {
1829 		/* dma0 */
1830 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1831 		tmp &= ~DMA_RB_ENABLE;
1832 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1833 	}
1834 
1835 	if (reset_mask & RADEON_RESET_DMA1) {
1836 		/* dma1 */
1837 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1838 		tmp &= ~DMA_RB_ENABLE;
1839 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1840 	}
1841 
1842 	udelay(50);
1843 
1844 	evergreen_mc_stop(rdev, &save);
1845 	if (evergreen_mc_wait_for_idle(rdev)) {
1846 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1847 	}
1848 
1849 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1850 		grbm_soft_reset = SOFT_RESET_CB |
1851 			SOFT_RESET_DB |
1852 			SOFT_RESET_GDS |
1853 			SOFT_RESET_PA |
1854 			SOFT_RESET_SC |
1855 			SOFT_RESET_SPI |
1856 			SOFT_RESET_SH |
1857 			SOFT_RESET_SX |
1858 			SOFT_RESET_TC |
1859 			SOFT_RESET_TA |
1860 			SOFT_RESET_VGT |
1861 			SOFT_RESET_IA;
1862 	}
1863 
1864 	if (reset_mask & RADEON_RESET_CP) {
1865 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1866 
1867 		srbm_soft_reset |= SOFT_RESET_GRBM;
1868 	}
1869 
1870 	if (reset_mask & RADEON_RESET_DMA)
1871 		srbm_soft_reset |= SOFT_RESET_DMA;
1872 
1873 	if (reset_mask & RADEON_RESET_DMA1)
1874 		srbm_soft_reset |= SOFT_RESET_DMA1;
1875 
1876 	if (reset_mask & RADEON_RESET_DISPLAY)
1877 		srbm_soft_reset |= SOFT_RESET_DC;
1878 
1879 	if (reset_mask & RADEON_RESET_RLC)
1880 		srbm_soft_reset |= SOFT_RESET_RLC;
1881 
1882 	if (reset_mask & RADEON_RESET_SEM)
1883 		srbm_soft_reset |= SOFT_RESET_SEM;
1884 
1885 	if (reset_mask & RADEON_RESET_IH)
1886 		srbm_soft_reset |= SOFT_RESET_IH;
1887 
1888 	if (reset_mask & RADEON_RESET_GRBM)
1889 		srbm_soft_reset |= SOFT_RESET_GRBM;
1890 
1891 	if (reset_mask & RADEON_RESET_VMC)
1892 		srbm_soft_reset |= SOFT_RESET_VMC;
1893 
1894 	if (!(rdev->flags & RADEON_IS_IGP)) {
1895 		if (reset_mask & RADEON_RESET_MC)
1896 			srbm_soft_reset |= SOFT_RESET_MC;
1897 	}
1898 
1899 	if (grbm_soft_reset) {
1900 		tmp = RREG32(GRBM_SOFT_RESET);
1901 		tmp |= grbm_soft_reset;
1902 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1903 		WREG32(GRBM_SOFT_RESET, tmp);
1904 		tmp = RREG32(GRBM_SOFT_RESET);
1905 
1906 		udelay(50);
1907 
1908 		tmp &= ~grbm_soft_reset;
1909 		WREG32(GRBM_SOFT_RESET, tmp);
1910 		tmp = RREG32(GRBM_SOFT_RESET);
1911 	}
1912 
1913 	if (srbm_soft_reset) {
1914 		tmp = RREG32(SRBM_SOFT_RESET);
1915 		tmp |= srbm_soft_reset;
1916 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1917 		WREG32(SRBM_SOFT_RESET, tmp);
1918 		tmp = RREG32(SRBM_SOFT_RESET);
1919 
1920 		udelay(50);
1921 
1922 		tmp &= ~srbm_soft_reset;
1923 		WREG32(SRBM_SOFT_RESET, tmp);
1924 		tmp = RREG32(SRBM_SOFT_RESET);
1925 	}
1926 
1927 	/* Wait a little for things to settle down */
1928 	udelay(50);
1929 
1930 	evergreen_mc_resume(rdev, &save);
1931 	udelay(50);
1932 
1933 	evergreen_print_gpu_status_regs(rdev);
1934 }
1935 
1936 int cayman_asic_reset(struct radeon_device *rdev)
1937 {
1938 	u32 reset_mask;
1939 
1940 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1941 
1942 	if (reset_mask)
1943 		r600_set_bios_scratch_engine_hung(rdev, true);
1944 
1945 	cayman_gpu_soft_reset(rdev, reset_mask);
1946 
1947 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1948 
1949 	if (reset_mask)
1950 		evergreen_gpu_pci_config_reset(rdev);
1951 
1952 	r600_set_bios_scratch_engine_hung(rdev, false);
1953 
1954 	return 0;
1955 }
1956 
1957 /**
1958  * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1959  *
1960  * @rdev: radeon_device pointer
1961  * @ring: radeon_ring structure holding ring information
1962  *
1963  * Check if the GFX engine is locked up.
1964  * Returns true if the engine appears to be locked up, false if not.
1965  */
1966 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1967 {
1968 	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1969 
1970 	if (!(reset_mask & (RADEON_RESET_GFX |
1971 			    RADEON_RESET_COMPUTE |
1972 			    RADEON_RESET_CP))) {
1973 		radeon_ring_lockup_update(rdev, ring);
1974 		return false;
1975 	}
1976 	return radeon_ring_test_lockup(rdev, ring);
1977 }
1978 
1979 static int cayman_startup(struct radeon_device *rdev)
1980 {
1981 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1982 	int r;
1983 
1984 	/* enable pcie gen2 link */
1985 	evergreen_pcie_gen2_enable(rdev);
1986 	/* enable aspm */
1987 	evergreen_program_aspm(rdev);
1988 
1989 	/* scratch needs to be initialized before MC */
1990 	r = r600_vram_scratch_init(rdev);
1991 	if (r)
1992 		return r;
1993 
1994 	evergreen_mc_program(rdev);
1995 
1996 	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
1997 		r = ni_mc_load_microcode(rdev);
1998 		if (r) {
1999 			DRM_ERROR("Failed to load MC firmware!\n");
2000 			return r;
2001 		}
2002 	}
2003 
2004 	r = cayman_pcie_gart_enable(rdev);
2005 	if (r)
2006 		return r;
2007 	cayman_gpu_init(rdev);
2008 
2009 	/* allocate rlc buffers */
2010 	if (rdev->flags & RADEON_IS_IGP) {
2011 		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2012 		rdev->rlc.reg_list_size =
2013 			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2014 		rdev->rlc.cs_data = cayman_cs_data;
2015 		r = sumo_rlc_init(rdev);
2016 		if (r) {
2017 			DRM_ERROR("Failed to init rlc BOs!\n");
2018 			return r;
2019 		}
2020 	}
2021 
2022 	/* allocate wb buffer */
2023 	r = radeon_wb_init(rdev);
2024 	if (r)
2025 		return r;
2026 
2027 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2028 	if (r) {
2029 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2030 		return r;
2031 	}
2032 
2033 	r = uvd_v2_2_resume(rdev);
2034 	if (!r) {
2035 		r = radeon_fence_driver_start_ring(rdev,
2036 						   R600_RING_TYPE_UVD_INDEX);
2037 		if (r)
2038 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
2039 	}
2040 	if (r)
2041 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2042 
2043 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2044 	if (r) {
2045 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2046 		return r;
2047 	}
2048 
2049 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2050 	if (r) {
2051 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2052 		return r;
2053 	}
2054 
2055 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2056 	if (r) {
2057 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2058 		return r;
2059 	}
2060 
2061 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2062 	if (r) {
2063 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2064 		return r;
2065 	}
2066 
2067 	/* Enable IRQ */
2068 	if (!rdev->irq.installed) {
2069 		r = radeon_irq_kms_init(rdev);
2070 		if (r)
2071 			return r;
2072 	}
2073 
2074 	r = r600_irq_init(rdev);
2075 	if (r) {
2076 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2077 		radeon_irq_kms_fini(rdev);
2078 		return r;
2079 	}
2080 	evergreen_irq_set(rdev);
2081 
2082 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2083 			     RADEON_CP_PACKET2);
2084 	if (r)
2085 		return r;
2086 
2087 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2088 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2089 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2090 	if (r)
2091 		return r;
2092 
2093 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2094 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2095 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2096 	if (r)
2097 		return r;
2098 
2099 	r = cayman_cp_load_microcode(rdev);
2100 	if (r)
2101 		return r;
2102 	r = cayman_cp_resume(rdev);
2103 	if (r)
2104 		return r;
2105 
2106 	r = cayman_dma_resume(rdev);
2107 	if (r)
2108 		return r;
2109 
2110 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2111 	if (ring->ring_size) {
2112 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
2113 				     RADEON_CP_PACKET2);
2114 		if (!r)
2115 			r = uvd_v1_0_init(rdev);
2116 		if (r)
2117 			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2118 	}
2119 
2120 	r = radeon_ib_pool_init(rdev);
2121 	if (r) {
2122 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2123 		return r;
2124 	}
2125 
2126 	r = radeon_vm_manager_init(rdev);
2127 	if (r) {
2128 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2129 		return r;
2130 	}
2131 
2132 	r = radeon_audio_init(rdev);
2133 	if (r)
2134 		return r;
2135 
2136 	return 0;
2137 }
2138 
2139 int cayman_resume(struct radeon_device *rdev)
2140 {
2141 	int r;
2142 
2143 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2144 	 * posting will perform necessary task to bring back GPU into good
2145 	 * shape.
2146 	 */
2147 	/* post card */
2148 	atom_asic_init(rdev->mode_info.atom_context);
2149 
2150 	/* init golden registers */
2151 	ni_init_golden_registers(rdev);
2152 
2153 	if (rdev->pm.pm_method == PM_METHOD_DPM)
2154 		radeon_pm_resume(rdev);
2155 
2156 	rdev->accel_working = true;
2157 	r = cayman_startup(rdev);
2158 	if (r) {
2159 		DRM_ERROR("cayman startup failed on resume\n");
2160 		rdev->accel_working = false;
2161 		return r;
2162 	}
2163 	return r;
2164 }
2165 
2166 int cayman_suspend(struct radeon_device *rdev)
2167 {
2168 	radeon_pm_suspend(rdev);
2169 	radeon_audio_fini(rdev);
2170 	radeon_vm_manager_fini(rdev);
2171 	cayman_cp_enable(rdev, false);
2172 	cayman_dma_stop(rdev);
2173 	uvd_v1_0_fini(rdev);
2174 	radeon_uvd_suspend(rdev);
2175 	evergreen_irq_suspend(rdev);
2176 	radeon_wb_disable(rdev);
2177 	cayman_pcie_gart_disable(rdev);
2178 	return 0;
2179 }
2180 
2181 /* Plan is to move initialization in that function and use
2182  * helper function so that radeon_device_init pretty much
2183  * do nothing more than calling asic specific function. This
2184  * should also allow to remove a bunch of callback function
2185  * like vram_info.
2186  */
2187 int cayman_init(struct radeon_device *rdev)
2188 {
2189 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2190 	int r;
2191 
2192 	/* Read BIOS */
2193 	if (!radeon_get_bios(rdev)) {
2194 		if (ASIC_IS_AVIVO(rdev))
2195 			return -EINVAL;
2196 	}
2197 	/* Must be an ATOMBIOS */
2198 	if (!rdev->is_atom_bios) {
2199 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2200 		return -EINVAL;
2201 	}
2202 	r = radeon_atombios_init(rdev);
2203 	if (r)
2204 		return r;
2205 
2206 	/* Post card if necessary */
2207 	if (!radeon_card_posted(rdev)) {
2208 		if (!rdev->bios) {
2209 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2210 			return -EINVAL;
2211 		}
2212 		DRM_INFO("GPU not posted. posting now...\n");
2213 		atom_asic_init(rdev->mode_info.atom_context);
2214 	}
2215 	/* init golden registers */
2216 	ni_init_golden_registers(rdev);
2217 	/* Initialize scratch registers */
2218 	r600_scratch_init(rdev);
2219 	/* Initialize surface registers */
2220 	radeon_surface_init(rdev);
2221 	/* Initialize clocks */
2222 	radeon_get_clock_info(rdev->ddev);
2223 	/* Fence driver */
2224 	r = radeon_fence_driver_init(rdev);
2225 	if (r)
2226 		return r;
2227 	/* initialize memory controller */
2228 	r = evergreen_mc_init(rdev);
2229 	if (r)
2230 		return r;
2231 	/* Memory manager */
2232 	r = radeon_bo_init(rdev);
2233 	if (r)
2234 		return r;
2235 
2236 	if (rdev->flags & RADEON_IS_IGP) {
2237 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2238 			r = ni_init_microcode(rdev);
2239 			if (r) {
2240 				DRM_ERROR("Failed to load firmware!\n");
2241 				return r;
2242 			}
2243 		}
2244 	} else {
2245 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2246 			r = ni_init_microcode(rdev);
2247 			if (r) {
2248 				DRM_ERROR("Failed to load firmware!\n");
2249 				return r;
2250 			}
2251 		}
2252 	}
2253 
2254 	/* Initialize power management */
2255 	radeon_pm_init(rdev);
2256 
2257 	ring->ring_obj = NULL;
2258 	r600_ring_init(rdev, ring, 1024 * 1024);
2259 
2260 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2261 	ring->ring_obj = NULL;
2262 	r600_ring_init(rdev, ring, 64 * 1024);
2263 
2264 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2265 	ring->ring_obj = NULL;
2266 	r600_ring_init(rdev, ring, 64 * 1024);
2267 
2268 	r = radeon_uvd_init(rdev);
2269 	if (!r) {
2270 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2271 		ring->ring_obj = NULL;
2272 		r600_ring_init(rdev, ring, 4096);
2273 	}
2274 
2275 	rdev->ih.ring_obj = NULL;
2276 	r600_ih_ring_init(rdev, 64 * 1024);
2277 
2278 	r = r600_pcie_gart_init(rdev);
2279 	if (r)
2280 		return r;
2281 
2282 	rdev->accel_working = true;
2283 	r = cayman_startup(rdev);
2284 	if (r) {
2285 		dev_err(rdev->dev, "disabling GPU acceleration\n");
2286 		cayman_cp_fini(rdev);
2287 		cayman_dma_fini(rdev);
2288 		r600_irq_fini(rdev);
2289 		if (rdev->flags & RADEON_IS_IGP)
2290 			sumo_rlc_fini(rdev);
2291 		radeon_wb_fini(rdev);
2292 		radeon_ib_pool_fini(rdev);
2293 		radeon_vm_manager_fini(rdev);
2294 		radeon_irq_kms_fini(rdev);
2295 		cayman_pcie_gart_fini(rdev);
2296 		rdev->accel_working = false;
2297 	}
2298 
2299 	/* Don't start up if the MC ucode is missing.
2300 	 * The default clocks and voltages before the MC ucode
2301 	 * is loaded are not suffient for advanced operations.
2302 	 *
2303 	 * We can skip this check for TN, because there is no MC
2304 	 * ucode.
2305 	 */
2306 	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2307 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2308 		return -EINVAL;
2309 	}
2310 
2311 	return 0;
2312 }
2313 
2314 void cayman_fini(struct radeon_device *rdev)
2315 {
2316 	radeon_pm_fini(rdev);
2317 	cayman_cp_fini(rdev);
2318 	cayman_dma_fini(rdev);
2319 	r600_irq_fini(rdev);
2320 	if (rdev->flags & RADEON_IS_IGP)
2321 		sumo_rlc_fini(rdev);
2322 	radeon_wb_fini(rdev);
2323 	radeon_vm_manager_fini(rdev);
2324 	radeon_ib_pool_fini(rdev);
2325 	radeon_irq_kms_fini(rdev);
2326 	uvd_v1_0_fini(rdev);
2327 	radeon_uvd_fini(rdev);
2328 	cayman_pcie_gart_fini(rdev);
2329 	r600_vram_scratch_fini(rdev);
2330 	radeon_gem_fini(rdev);
2331 	radeon_fence_driver_fini(rdev);
2332 	radeon_bo_fini(rdev);
2333 	radeon_atombios_fini(rdev);
2334 	kfree(rdev->bios);
2335 	rdev->bios = NULL;
2336 }
2337 
2338 /*
2339  * vm
2340  */
2341 int cayman_vm_init(struct radeon_device *rdev)
2342 {
2343 	/* number of VMs */
2344 	rdev->vm_manager.nvm = 8;
2345 	/* base offset of vram pages */
2346 	if (rdev->flags & RADEON_IS_IGP) {
2347 		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2348 		tmp <<= 22;
2349 		rdev->vm_manager.vram_base_offset = tmp;
2350 	} else
2351 		rdev->vm_manager.vram_base_offset = 0;
2352 	return 0;
2353 }
2354 
2355 void cayman_vm_fini(struct radeon_device *rdev)
2356 {
2357 }
2358 
2359 /**
2360  * cayman_vm_decode_fault - print human readable fault info
2361  *
2362  * @rdev: radeon_device pointer
2363  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2364  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2365  *
2366  * Print human readable fault information (cayman/TN).
2367  */
2368 void cayman_vm_decode_fault(struct radeon_device *rdev,
2369 			    u32 status, u32 addr)
2370 {
2371 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2372 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2373 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2374 	char *block;
2375 
2376 	switch (mc_id) {
2377 	case 32:
2378 	case 16:
2379 	case 96:
2380 	case 80:
2381 	case 160:
2382 	case 144:
2383 	case 224:
2384 	case 208:
2385 		block = "CB";
2386 		break;
2387 	case 33:
2388 	case 17:
2389 	case 97:
2390 	case 81:
2391 	case 161:
2392 	case 145:
2393 	case 225:
2394 	case 209:
2395 		block = "CB_FMASK";
2396 		break;
2397 	case 34:
2398 	case 18:
2399 	case 98:
2400 	case 82:
2401 	case 162:
2402 	case 146:
2403 	case 226:
2404 	case 210:
2405 		block = "CB_CMASK";
2406 		break;
2407 	case 35:
2408 	case 19:
2409 	case 99:
2410 	case 83:
2411 	case 163:
2412 	case 147:
2413 	case 227:
2414 	case 211:
2415 		block = "CB_IMMED";
2416 		break;
2417 	case 36:
2418 	case 20:
2419 	case 100:
2420 	case 84:
2421 	case 164:
2422 	case 148:
2423 	case 228:
2424 	case 212:
2425 		block = "DB";
2426 		break;
2427 	case 37:
2428 	case 21:
2429 	case 101:
2430 	case 85:
2431 	case 165:
2432 	case 149:
2433 	case 229:
2434 	case 213:
2435 		block = "DB_HTILE";
2436 		break;
2437 	case 38:
2438 	case 22:
2439 	case 102:
2440 	case 86:
2441 	case 166:
2442 	case 150:
2443 	case 230:
2444 	case 214:
2445 		block = "SX";
2446 		break;
2447 	case 39:
2448 	case 23:
2449 	case 103:
2450 	case 87:
2451 	case 167:
2452 	case 151:
2453 	case 231:
2454 	case 215:
2455 		block = "DB_STEN";
2456 		break;
2457 	case 40:
2458 	case 24:
2459 	case 104:
2460 	case 88:
2461 	case 232:
2462 	case 216:
2463 	case 168:
2464 	case 152:
2465 		block = "TC_TFETCH";
2466 		break;
2467 	case 41:
2468 	case 25:
2469 	case 105:
2470 	case 89:
2471 	case 233:
2472 	case 217:
2473 	case 169:
2474 	case 153:
2475 		block = "TC_VFETCH";
2476 		break;
2477 	case 42:
2478 	case 26:
2479 	case 106:
2480 	case 90:
2481 	case 234:
2482 	case 218:
2483 	case 170:
2484 	case 154:
2485 		block = "VC";
2486 		break;
2487 	case 112:
2488 		block = "CP";
2489 		break;
2490 	case 113:
2491 	case 114:
2492 		block = "SH";
2493 		break;
2494 	case 115:
2495 		block = "VGT";
2496 		break;
2497 	case 178:
2498 		block = "IH";
2499 		break;
2500 	case 51:
2501 		block = "RLC";
2502 		break;
2503 	case 55:
2504 		block = "DMA";
2505 		break;
2506 	case 56:
2507 		block = "HDP";
2508 		break;
2509 	default:
2510 		block = "unknown";
2511 		break;
2512 	}
2513 
2514 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2515 	       protections, vmid, addr,
2516 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2517 	       block, mc_id);
2518 }
2519 
2520 /**
2521  * cayman_vm_flush - vm flush using the CP
2522  *
2523  * @rdev: radeon_device pointer
2524  *
2525  * Update the page table base and flush the VM TLB
2526  * using the CP (cayman-si).
2527  */
2528 void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2529 		     unsigned vm_id, uint64_t pd_addr)
2530 {
2531 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2532 	radeon_ring_write(ring, pd_addr >> 12);
2533 
2534 	/* flush hdp cache */
2535 	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2536 	radeon_ring_write(ring, 0x1);
2537 
2538 	/* bits 0-7 are the VM contexts0-7 */
2539 	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2540 	radeon_ring_write(ring, 1 << vm_id);
2541 
2542 	/* wait for the invalidate to complete */
2543 	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2544 	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2545 				 WAIT_REG_MEM_ENGINE(0))); /* me */
2546 	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2547 	radeon_ring_write(ring, 0);
2548 	radeon_ring_write(ring, 0); /* ref */
2549 	radeon_ring_write(ring, 0); /* mask */
2550 	radeon_ring_write(ring, 0x20); /* poll interval */
2551 
2552 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2553 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2554 	radeon_ring_write(ring, 0x0);
2555 }
2556