xref: /openbmc/linux/drivers/gpu/drm/radeon/ni.c (revision 99b7e93c)
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) - 1);
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),
1305 			rdev->vm_manager.max_pfn - 1);
1306 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1307 		       rdev->vm_manager.saved_table_addr[i]);
1308 	}
1309 
1310 	/* enable context1-7 */
1311 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1312 	       (u32)(rdev->dummy_page.addr >> 12));
1313 	WREG32(VM_CONTEXT1_CNTL2, 4);
1314 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1315 				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1316 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1317 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1318 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1319 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1320 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1321 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1322 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1323 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1324 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1325 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1326 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1327 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1328 
1329 	cayman_pcie_gart_tlb_flush(rdev);
1330 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1331 		 (unsigned)(rdev->mc.gtt_size >> 20),
1332 		 (unsigned long long)rdev->gart.table_addr);
1333 	rdev->gart.ready = true;
1334 	return 0;
1335 }
1336 
1337 static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1338 {
1339 	unsigned i;
1340 
1341 	for (i = 1; i < 8; ++i) {
1342 		rdev->vm_manager.saved_table_addr[i] = RREG32(
1343 			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1344 	}
1345 
1346 	/* Disable all tables */
1347 	WREG32(VM_CONTEXT0_CNTL, 0);
1348 	WREG32(VM_CONTEXT1_CNTL, 0);
1349 	/* Setup TLB control */
1350 	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1351 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1352 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1353 	/* Setup L2 cache */
1354 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1355 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1356 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1357 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1358 	WREG32(VM_L2_CNTL2, 0);
1359 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1360 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1361 	radeon_gart_table_vram_unpin(rdev);
1362 }
1363 
1364 static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1365 {
1366 	cayman_pcie_gart_disable(rdev);
1367 	radeon_gart_table_vram_free(rdev);
1368 	radeon_gart_fini(rdev);
1369 }
1370 
1371 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1372 			      int ring, u32 cp_int_cntl)
1373 {
1374 	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1375 
1376 	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1377 	WREG32(CP_INT_CNTL, cp_int_cntl);
1378 }
1379 
1380 /*
1381  * CP.
1382  */
1383 void cayman_fence_ring_emit(struct radeon_device *rdev,
1384 			    struct radeon_fence *fence)
1385 {
1386 	struct radeon_ring *ring = &rdev->ring[fence->ring];
1387 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1388 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1389 		PACKET3_SH_ACTION_ENA;
1390 
1391 	/* flush read cache over gart for this vmid */
1392 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1393 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1394 	radeon_ring_write(ring, 0xFFFFFFFF);
1395 	radeon_ring_write(ring, 0);
1396 	radeon_ring_write(ring, 10); /* poll interval */
1397 	/* EVENT_WRITE_EOP - flush caches, send int */
1398 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1399 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1400 	radeon_ring_write(ring, lower_32_bits(addr));
1401 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1402 	radeon_ring_write(ring, fence->seq);
1403 	radeon_ring_write(ring, 0);
1404 }
1405 
1406 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1407 {
1408 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1409 	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1410 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1411 		PACKET3_SH_ACTION_ENA;
1412 
1413 	/* set to DX10/11 mode */
1414 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1415 	radeon_ring_write(ring, 1);
1416 
1417 	if (ring->rptr_save_reg) {
1418 		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1419 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1420 		radeon_ring_write(ring, ((ring->rptr_save_reg -
1421 					  PACKET3_SET_CONFIG_REG_START) >> 2));
1422 		radeon_ring_write(ring, next_rptr);
1423 	}
1424 
1425 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1426 	radeon_ring_write(ring,
1427 #ifdef __BIG_ENDIAN
1428 			  (2 << 0) |
1429 #endif
1430 			  (ib->gpu_addr & 0xFFFFFFFC));
1431 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1432 	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1433 
1434 	/* flush read cache over gart for this vmid */
1435 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1436 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1437 	radeon_ring_write(ring, 0xFFFFFFFF);
1438 	radeon_ring_write(ring, 0);
1439 	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1440 }
1441 
1442 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1443 {
1444 	if (enable)
1445 		WREG32(CP_ME_CNTL, 0);
1446 	else {
1447 		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1448 			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1449 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1450 		WREG32(SCRATCH_UMSK, 0);
1451 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1452 	}
1453 }
1454 
1455 u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1456 			struct radeon_ring *ring)
1457 {
1458 	u32 rptr;
1459 
1460 	if (rdev->wb.enabled)
1461 		rptr = rdev->wb.wb[ring->rptr_offs/4];
1462 	else {
1463 		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1464 			rptr = RREG32(CP_RB0_RPTR);
1465 		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1466 			rptr = RREG32(CP_RB1_RPTR);
1467 		else
1468 			rptr = RREG32(CP_RB2_RPTR);
1469 	}
1470 
1471 	return rptr;
1472 }
1473 
1474 u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1475 			struct radeon_ring *ring)
1476 {
1477 	u32 wptr;
1478 
1479 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1480 		wptr = RREG32(CP_RB0_WPTR);
1481 	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1482 		wptr = RREG32(CP_RB1_WPTR);
1483 	else
1484 		wptr = RREG32(CP_RB2_WPTR);
1485 
1486 	return wptr;
1487 }
1488 
1489 void cayman_gfx_set_wptr(struct radeon_device *rdev,
1490 			 struct radeon_ring *ring)
1491 {
1492 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1493 		WREG32(CP_RB0_WPTR, ring->wptr);
1494 		(void)RREG32(CP_RB0_WPTR);
1495 	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1496 		WREG32(CP_RB1_WPTR, ring->wptr);
1497 		(void)RREG32(CP_RB1_WPTR);
1498 	} else {
1499 		WREG32(CP_RB2_WPTR, ring->wptr);
1500 		(void)RREG32(CP_RB2_WPTR);
1501 	}
1502 }
1503 
1504 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1505 {
1506 	const __be32 *fw_data;
1507 	int i;
1508 
1509 	if (!rdev->me_fw || !rdev->pfp_fw)
1510 		return -EINVAL;
1511 
1512 	cayman_cp_enable(rdev, false);
1513 
1514 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1515 	WREG32(CP_PFP_UCODE_ADDR, 0);
1516 	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1517 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1518 	WREG32(CP_PFP_UCODE_ADDR, 0);
1519 
1520 	fw_data = (const __be32 *)rdev->me_fw->data;
1521 	WREG32(CP_ME_RAM_WADDR, 0);
1522 	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1523 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1524 
1525 	WREG32(CP_PFP_UCODE_ADDR, 0);
1526 	WREG32(CP_ME_RAM_WADDR, 0);
1527 	WREG32(CP_ME_RAM_RADDR, 0);
1528 	return 0;
1529 }
1530 
1531 static int cayman_cp_start(struct radeon_device *rdev)
1532 {
1533 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1534 	int r, i;
1535 
1536 	r = radeon_ring_lock(rdev, ring, 7);
1537 	if (r) {
1538 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1539 		return r;
1540 	}
1541 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1542 	radeon_ring_write(ring, 0x1);
1543 	radeon_ring_write(ring, 0x0);
1544 	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1545 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1546 	radeon_ring_write(ring, 0);
1547 	radeon_ring_write(ring, 0);
1548 	radeon_ring_unlock_commit(rdev, ring, false);
1549 
1550 	cayman_cp_enable(rdev, true);
1551 
1552 	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1553 	if (r) {
1554 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1555 		return r;
1556 	}
1557 
1558 	/* setup clear context state */
1559 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1560 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1561 
1562 	for (i = 0; i < cayman_default_size; i++)
1563 		radeon_ring_write(ring, cayman_default_state[i]);
1564 
1565 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1566 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1567 
1568 	/* set clear context state */
1569 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1570 	radeon_ring_write(ring, 0);
1571 
1572 	/* SQ_VTX_BASE_VTX_LOC */
1573 	radeon_ring_write(ring, 0xc0026f00);
1574 	radeon_ring_write(ring, 0x00000000);
1575 	radeon_ring_write(ring, 0x00000000);
1576 	radeon_ring_write(ring, 0x00000000);
1577 
1578 	/* Clear consts */
1579 	radeon_ring_write(ring, 0xc0036f00);
1580 	radeon_ring_write(ring, 0x00000bc4);
1581 	radeon_ring_write(ring, 0xffffffff);
1582 	radeon_ring_write(ring, 0xffffffff);
1583 	radeon_ring_write(ring, 0xffffffff);
1584 
1585 	radeon_ring_write(ring, 0xc0026900);
1586 	radeon_ring_write(ring, 0x00000316);
1587 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1588 	radeon_ring_write(ring, 0x00000010); /*  */
1589 
1590 	radeon_ring_unlock_commit(rdev, ring, false);
1591 
1592 	/* XXX init other rings */
1593 
1594 	return 0;
1595 }
1596 
1597 static void cayman_cp_fini(struct radeon_device *rdev)
1598 {
1599 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1600 	cayman_cp_enable(rdev, false);
1601 	radeon_ring_fini(rdev, ring);
1602 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1603 }
1604 
1605 static int cayman_cp_resume(struct radeon_device *rdev)
1606 {
1607 	static const int ridx[] = {
1608 		RADEON_RING_TYPE_GFX_INDEX,
1609 		CAYMAN_RING_TYPE_CP1_INDEX,
1610 		CAYMAN_RING_TYPE_CP2_INDEX
1611 	};
1612 	static const unsigned cp_rb_cntl[] = {
1613 		CP_RB0_CNTL,
1614 		CP_RB1_CNTL,
1615 		CP_RB2_CNTL,
1616 	};
1617 	static const unsigned cp_rb_rptr_addr[] = {
1618 		CP_RB0_RPTR_ADDR,
1619 		CP_RB1_RPTR_ADDR,
1620 		CP_RB2_RPTR_ADDR
1621 	};
1622 	static const unsigned cp_rb_rptr_addr_hi[] = {
1623 		CP_RB0_RPTR_ADDR_HI,
1624 		CP_RB1_RPTR_ADDR_HI,
1625 		CP_RB2_RPTR_ADDR_HI
1626 	};
1627 	static const unsigned cp_rb_base[] = {
1628 		CP_RB0_BASE,
1629 		CP_RB1_BASE,
1630 		CP_RB2_BASE
1631 	};
1632 	static const unsigned cp_rb_rptr[] = {
1633 		CP_RB0_RPTR,
1634 		CP_RB1_RPTR,
1635 		CP_RB2_RPTR
1636 	};
1637 	static const unsigned cp_rb_wptr[] = {
1638 		CP_RB0_WPTR,
1639 		CP_RB1_WPTR,
1640 		CP_RB2_WPTR
1641 	};
1642 	struct radeon_ring *ring;
1643 	int i, r;
1644 
1645 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1646 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1647 				 SOFT_RESET_PA |
1648 				 SOFT_RESET_SH |
1649 				 SOFT_RESET_VGT |
1650 				 SOFT_RESET_SPI |
1651 				 SOFT_RESET_SX));
1652 	RREG32(GRBM_SOFT_RESET);
1653 	mdelay(15);
1654 	WREG32(GRBM_SOFT_RESET, 0);
1655 	RREG32(GRBM_SOFT_RESET);
1656 
1657 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1658 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1659 
1660 	/* Set the write pointer delay */
1661 	WREG32(CP_RB_WPTR_DELAY, 0);
1662 
1663 	WREG32(CP_DEBUG, (1 << 27));
1664 
1665 	/* set the wb address whether it's enabled or not */
1666 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1667 	WREG32(SCRATCH_UMSK, 0xff);
1668 
1669 	for (i = 0; i < 3; ++i) {
1670 		uint32_t rb_cntl;
1671 		uint64_t addr;
1672 
1673 		/* Set ring buffer size */
1674 		ring = &rdev->ring[ridx[i]];
1675 		rb_cntl = order_base_2(ring->ring_size / 8);
1676 		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1677 #ifdef __BIG_ENDIAN
1678 		rb_cntl |= BUF_SWAP_32BIT;
1679 #endif
1680 		WREG32(cp_rb_cntl[i], rb_cntl);
1681 
1682 		/* set the wb address whether it's enabled or not */
1683 		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1684 		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1685 		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1686 	}
1687 
1688 	/* set the rb base addr, this causes an internal reset of ALL rings */
1689 	for (i = 0; i < 3; ++i) {
1690 		ring = &rdev->ring[ridx[i]];
1691 		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1692 	}
1693 
1694 	for (i = 0; i < 3; ++i) {
1695 		/* Initialize the ring buffer's read and write pointers */
1696 		ring = &rdev->ring[ridx[i]];
1697 		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1698 
1699 		ring->wptr = 0;
1700 		WREG32(cp_rb_rptr[i], 0);
1701 		WREG32(cp_rb_wptr[i], ring->wptr);
1702 
1703 		mdelay(1);
1704 		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1705 	}
1706 
1707 	/* start the rings */
1708 	cayman_cp_start(rdev);
1709 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1710 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1711 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1712 	/* this only test cp0 */
1713 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1714 	if (r) {
1715 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1716 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1717 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1718 		return r;
1719 	}
1720 
1721 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1722 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1723 
1724 	return 0;
1725 }
1726 
1727 u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1728 {
1729 	u32 reset_mask = 0;
1730 	u32 tmp;
1731 
1732 	/* GRBM_STATUS */
1733 	tmp = RREG32(GRBM_STATUS);
1734 	if (tmp & (PA_BUSY | SC_BUSY |
1735 		   SH_BUSY | SX_BUSY |
1736 		   TA_BUSY | VGT_BUSY |
1737 		   DB_BUSY | CB_BUSY |
1738 		   GDS_BUSY | SPI_BUSY |
1739 		   IA_BUSY | IA_BUSY_NO_DMA))
1740 		reset_mask |= RADEON_RESET_GFX;
1741 
1742 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1743 		   CP_BUSY | CP_COHERENCY_BUSY))
1744 		reset_mask |= RADEON_RESET_CP;
1745 
1746 	if (tmp & GRBM_EE_BUSY)
1747 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1748 
1749 	/* DMA_STATUS_REG 0 */
1750 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1751 	if (!(tmp & DMA_IDLE))
1752 		reset_mask |= RADEON_RESET_DMA;
1753 
1754 	/* DMA_STATUS_REG 1 */
1755 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1756 	if (!(tmp & DMA_IDLE))
1757 		reset_mask |= RADEON_RESET_DMA1;
1758 
1759 	/* SRBM_STATUS2 */
1760 	tmp = RREG32(SRBM_STATUS2);
1761 	if (tmp & DMA_BUSY)
1762 		reset_mask |= RADEON_RESET_DMA;
1763 
1764 	if (tmp & DMA1_BUSY)
1765 		reset_mask |= RADEON_RESET_DMA1;
1766 
1767 	/* SRBM_STATUS */
1768 	tmp = RREG32(SRBM_STATUS);
1769 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1770 		reset_mask |= RADEON_RESET_RLC;
1771 
1772 	if (tmp & IH_BUSY)
1773 		reset_mask |= RADEON_RESET_IH;
1774 
1775 	if (tmp & SEM_BUSY)
1776 		reset_mask |= RADEON_RESET_SEM;
1777 
1778 	if (tmp & GRBM_RQ_PENDING)
1779 		reset_mask |= RADEON_RESET_GRBM;
1780 
1781 	if (tmp & VMC_BUSY)
1782 		reset_mask |= RADEON_RESET_VMC;
1783 
1784 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1785 		   MCC_BUSY | MCD_BUSY))
1786 		reset_mask |= RADEON_RESET_MC;
1787 
1788 	if (evergreen_is_display_hung(rdev))
1789 		reset_mask |= RADEON_RESET_DISPLAY;
1790 
1791 	/* VM_L2_STATUS */
1792 	tmp = RREG32(VM_L2_STATUS);
1793 	if (tmp & L2_BUSY)
1794 		reset_mask |= RADEON_RESET_VMC;
1795 
1796 	/* Skip MC reset as it's mostly likely not hung, just busy */
1797 	if (reset_mask & RADEON_RESET_MC) {
1798 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1799 		reset_mask &= ~RADEON_RESET_MC;
1800 	}
1801 
1802 	return reset_mask;
1803 }
1804 
1805 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1806 {
1807 	struct evergreen_mc_save save;
1808 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1809 	u32 tmp;
1810 
1811 	if (reset_mask == 0)
1812 		return;
1813 
1814 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1815 
1816 	evergreen_print_gpu_status_regs(rdev);
1817 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1818 		 RREG32(0x14F8));
1819 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1820 		 RREG32(0x14D8));
1821 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1822 		 RREG32(0x14FC));
1823 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1824 		 RREG32(0x14DC));
1825 
1826 	/* Disable CP parsing/prefetching */
1827 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1828 
1829 	if (reset_mask & RADEON_RESET_DMA) {
1830 		/* dma0 */
1831 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1832 		tmp &= ~DMA_RB_ENABLE;
1833 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1834 	}
1835 
1836 	if (reset_mask & RADEON_RESET_DMA1) {
1837 		/* dma1 */
1838 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1839 		tmp &= ~DMA_RB_ENABLE;
1840 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1841 	}
1842 
1843 	udelay(50);
1844 
1845 	evergreen_mc_stop(rdev, &save);
1846 	if (evergreen_mc_wait_for_idle(rdev)) {
1847 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1848 	}
1849 
1850 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1851 		grbm_soft_reset = SOFT_RESET_CB |
1852 			SOFT_RESET_DB |
1853 			SOFT_RESET_GDS |
1854 			SOFT_RESET_PA |
1855 			SOFT_RESET_SC |
1856 			SOFT_RESET_SPI |
1857 			SOFT_RESET_SH |
1858 			SOFT_RESET_SX |
1859 			SOFT_RESET_TC |
1860 			SOFT_RESET_TA |
1861 			SOFT_RESET_VGT |
1862 			SOFT_RESET_IA;
1863 	}
1864 
1865 	if (reset_mask & RADEON_RESET_CP) {
1866 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1867 
1868 		srbm_soft_reset |= SOFT_RESET_GRBM;
1869 	}
1870 
1871 	if (reset_mask & RADEON_RESET_DMA)
1872 		srbm_soft_reset |= SOFT_RESET_DMA;
1873 
1874 	if (reset_mask & RADEON_RESET_DMA1)
1875 		srbm_soft_reset |= SOFT_RESET_DMA1;
1876 
1877 	if (reset_mask & RADEON_RESET_DISPLAY)
1878 		srbm_soft_reset |= SOFT_RESET_DC;
1879 
1880 	if (reset_mask & RADEON_RESET_RLC)
1881 		srbm_soft_reset |= SOFT_RESET_RLC;
1882 
1883 	if (reset_mask & RADEON_RESET_SEM)
1884 		srbm_soft_reset |= SOFT_RESET_SEM;
1885 
1886 	if (reset_mask & RADEON_RESET_IH)
1887 		srbm_soft_reset |= SOFT_RESET_IH;
1888 
1889 	if (reset_mask & RADEON_RESET_GRBM)
1890 		srbm_soft_reset |= SOFT_RESET_GRBM;
1891 
1892 	if (reset_mask & RADEON_RESET_VMC)
1893 		srbm_soft_reset |= SOFT_RESET_VMC;
1894 
1895 	if (!(rdev->flags & RADEON_IS_IGP)) {
1896 		if (reset_mask & RADEON_RESET_MC)
1897 			srbm_soft_reset |= SOFT_RESET_MC;
1898 	}
1899 
1900 	if (grbm_soft_reset) {
1901 		tmp = RREG32(GRBM_SOFT_RESET);
1902 		tmp |= grbm_soft_reset;
1903 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1904 		WREG32(GRBM_SOFT_RESET, tmp);
1905 		tmp = RREG32(GRBM_SOFT_RESET);
1906 
1907 		udelay(50);
1908 
1909 		tmp &= ~grbm_soft_reset;
1910 		WREG32(GRBM_SOFT_RESET, tmp);
1911 		tmp = RREG32(GRBM_SOFT_RESET);
1912 	}
1913 
1914 	if (srbm_soft_reset) {
1915 		tmp = RREG32(SRBM_SOFT_RESET);
1916 		tmp |= srbm_soft_reset;
1917 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1918 		WREG32(SRBM_SOFT_RESET, tmp);
1919 		tmp = RREG32(SRBM_SOFT_RESET);
1920 
1921 		udelay(50);
1922 
1923 		tmp &= ~srbm_soft_reset;
1924 		WREG32(SRBM_SOFT_RESET, tmp);
1925 		tmp = RREG32(SRBM_SOFT_RESET);
1926 	}
1927 
1928 	/* Wait a little for things to settle down */
1929 	udelay(50);
1930 
1931 	evergreen_mc_resume(rdev, &save);
1932 	udelay(50);
1933 
1934 	evergreen_print_gpu_status_regs(rdev);
1935 }
1936 
1937 int cayman_asic_reset(struct radeon_device *rdev)
1938 {
1939 	u32 reset_mask;
1940 
1941 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1942 
1943 	if (reset_mask)
1944 		r600_set_bios_scratch_engine_hung(rdev, true);
1945 
1946 	cayman_gpu_soft_reset(rdev, reset_mask);
1947 
1948 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1949 
1950 	if (reset_mask)
1951 		evergreen_gpu_pci_config_reset(rdev);
1952 
1953 	r600_set_bios_scratch_engine_hung(rdev, false);
1954 
1955 	return 0;
1956 }
1957 
1958 /**
1959  * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1960  *
1961  * @rdev: radeon_device pointer
1962  * @ring: radeon_ring structure holding ring information
1963  *
1964  * Check if the GFX engine is locked up.
1965  * Returns true if the engine appears to be locked up, false if not.
1966  */
1967 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1968 {
1969 	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1970 
1971 	if (!(reset_mask & (RADEON_RESET_GFX |
1972 			    RADEON_RESET_COMPUTE |
1973 			    RADEON_RESET_CP))) {
1974 		radeon_ring_lockup_update(rdev, ring);
1975 		return false;
1976 	}
1977 	return radeon_ring_test_lockup(rdev, ring);
1978 }
1979 
1980 static int cayman_startup(struct radeon_device *rdev)
1981 {
1982 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1983 	int r;
1984 
1985 	/* enable pcie gen2 link */
1986 	evergreen_pcie_gen2_enable(rdev);
1987 	/* enable aspm */
1988 	evergreen_program_aspm(rdev);
1989 
1990 	/* scratch needs to be initialized before MC */
1991 	r = r600_vram_scratch_init(rdev);
1992 	if (r)
1993 		return r;
1994 
1995 	evergreen_mc_program(rdev);
1996 
1997 	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
1998 		r = ni_mc_load_microcode(rdev);
1999 		if (r) {
2000 			DRM_ERROR("Failed to load MC firmware!\n");
2001 			return r;
2002 		}
2003 	}
2004 
2005 	r = cayman_pcie_gart_enable(rdev);
2006 	if (r)
2007 		return r;
2008 	cayman_gpu_init(rdev);
2009 
2010 	/* allocate rlc buffers */
2011 	if (rdev->flags & RADEON_IS_IGP) {
2012 		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2013 		rdev->rlc.reg_list_size =
2014 			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2015 		rdev->rlc.cs_data = cayman_cs_data;
2016 		r = sumo_rlc_init(rdev);
2017 		if (r) {
2018 			DRM_ERROR("Failed to init rlc BOs!\n");
2019 			return r;
2020 		}
2021 	}
2022 
2023 	/* allocate wb buffer */
2024 	r = radeon_wb_init(rdev);
2025 	if (r)
2026 		return r;
2027 
2028 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2029 	if (r) {
2030 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2031 		return r;
2032 	}
2033 
2034 	r = uvd_v2_2_resume(rdev);
2035 	if (!r) {
2036 		r = radeon_fence_driver_start_ring(rdev,
2037 						   R600_RING_TYPE_UVD_INDEX);
2038 		if (r)
2039 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
2040 	}
2041 	if (r)
2042 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2043 
2044 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2045 	if (r) {
2046 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2047 		return r;
2048 	}
2049 
2050 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2051 	if (r) {
2052 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2053 		return r;
2054 	}
2055 
2056 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2057 	if (r) {
2058 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2059 		return r;
2060 	}
2061 
2062 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2063 	if (r) {
2064 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2065 		return r;
2066 	}
2067 
2068 	/* Enable IRQ */
2069 	if (!rdev->irq.installed) {
2070 		r = radeon_irq_kms_init(rdev);
2071 		if (r)
2072 			return r;
2073 	}
2074 
2075 	r = r600_irq_init(rdev);
2076 	if (r) {
2077 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2078 		radeon_irq_kms_fini(rdev);
2079 		return r;
2080 	}
2081 	evergreen_irq_set(rdev);
2082 
2083 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2084 			     RADEON_CP_PACKET2);
2085 	if (r)
2086 		return r;
2087 
2088 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2089 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2090 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2091 	if (r)
2092 		return r;
2093 
2094 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2095 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2096 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2097 	if (r)
2098 		return r;
2099 
2100 	r = cayman_cp_load_microcode(rdev);
2101 	if (r)
2102 		return r;
2103 	r = cayman_cp_resume(rdev);
2104 	if (r)
2105 		return r;
2106 
2107 	r = cayman_dma_resume(rdev);
2108 	if (r)
2109 		return r;
2110 
2111 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2112 	if (ring->ring_size) {
2113 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
2114 				     RADEON_CP_PACKET2);
2115 		if (!r)
2116 			r = uvd_v1_0_init(rdev);
2117 		if (r)
2118 			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2119 	}
2120 
2121 	r = radeon_ib_pool_init(rdev);
2122 	if (r) {
2123 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2124 		return r;
2125 	}
2126 
2127 	r = radeon_vm_manager_init(rdev);
2128 	if (r) {
2129 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2130 		return r;
2131 	}
2132 
2133 	r = radeon_audio_init(rdev);
2134 	if (r)
2135 		return r;
2136 
2137 	return 0;
2138 }
2139 
2140 int cayman_resume(struct radeon_device *rdev)
2141 {
2142 	int r;
2143 
2144 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2145 	 * posting will perform necessary task to bring back GPU into good
2146 	 * shape.
2147 	 */
2148 	/* post card */
2149 	atom_asic_init(rdev->mode_info.atom_context);
2150 
2151 	/* init golden registers */
2152 	ni_init_golden_registers(rdev);
2153 
2154 	if (rdev->pm.pm_method == PM_METHOD_DPM)
2155 		radeon_pm_resume(rdev);
2156 
2157 	rdev->accel_working = true;
2158 	r = cayman_startup(rdev);
2159 	if (r) {
2160 		DRM_ERROR("cayman startup failed on resume\n");
2161 		rdev->accel_working = false;
2162 		return r;
2163 	}
2164 	return r;
2165 }
2166 
2167 int cayman_suspend(struct radeon_device *rdev)
2168 {
2169 	radeon_pm_suspend(rdev);
2170 	radeon_audio_fini(rdev);
2171 	radeon_vm_manager_fini(rdev);
2172 	cayman_cp_enable(rdev, false);
2173 	cayman_dma_stop(rdev);
2174 	uvd_v1_0_fini(rdev);
2175 	radeon_uvd_suspend(rdev);
2176 	evergreen_irq_suspend(rdev);
2177 	radeon_wb_disable(rdev);
2178 	cayman_pcie_gart_disable(rdev);
2179 	return 0;
2180 }
2181 
2182 /* Plan is to move initialization in that function and use
2183  * helper function so that radeon_device_init pretty much
2184  * do nothing more than calling asic specific function. This
2185  * should also allow to remove a bunch of callback function
2186  * like vram_info.
2187  */
2188 int cayman_init(struct radeon_device *rdev)
2189 {
2190 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2191 	int r;
2192 
2193 	/* Read BIOS */
2194 	if (!radeon_get_bios(rdev)) {
2195 		if (ASIC_IS_AVIVO(rdev))
2196 			return -EINVAL;
2197 	}
2198 	/* Must be an ATOMBIOS */
2199 	if (!rdev->is_atom_bios) {
2200 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2201 		return -EINVAL;
2202 	}
2203 	r = radeon_atombios_init(rdev);
2204 	if (r)
2205 		return r;
2206 
2207 	/* Post card if necessary */
2208 	if (!radeon_card_posted(rdev)) {
2209 		if (!rdev->bios) {
2210 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2211 			return -EINVAL;
2212 		}
2213 		DRM_INFO("GPU not posted. posting now...\n");
2214 		atom_asic_init(rdev->mode_info.atom_context);
2215 	}
2216 	/* init golden registers */
2217 	ni_init_golden_registers(rdev);
2218 	/* Initialize scratch registers */
2219 	r600_scratch_init(rdev);
2220 	/* Initialize surface registers */
2221 	radeon_surface_init(rdev);
2222 	/* Initialize clocks */
2223 	radeon_get_clock_info(rdev->ddev);
2224 	/* Fence driver */
2225 	r = radeon_fence_driver_init(rdev);
2226 	if (r)
2227 		return r;
2228 	/* initialize memory controller */
2229 	r = evergreen_mc_init(rdev);
2230 	if (r)
2231 		return r;
2232 	/* Memory manager */
2233 	r = radeon_bo_init(rdev);
2234 	if (r)
2235 		return r;
2236 
2237 	if (rdev->flags & RADEON_IS_IGP) {
2238 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2239 			r = ni_init_microcode(rdev);
2240 			if (r) {
2241 				DRM_ERROR("Failed to load firmware!\n");
2242 				return r;
2243 			}
2244 		}
2245 	} else {
2246 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2247 			r = ni_init_microcode(rdev);
2248 			if (r) {
2249 				DRM_ERROR("Failed to load firmware!\n");
2250 				return r;
2251 			}
2252 		}
2253 	}
2254 
2255 	/* Initialize power management */
2256 	radeon_pm_init(rdev);
2257 
2258 	ring->ring_obj = NULL;
2259 	r600_ring_init(rdev, ring, 1024 * 1024);
2260 
2261 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2262 	ring->ring_obj = NULL;
2263 	r600_ring_init(rdev, ring, 64 * 1024);
2264 
2265 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2266 	ring->ring_obj = NULL;
2267 	r600_ring_init(rdev, ring, 64 * 1024);
2268 
2269 	r = radeon_uvd_init(rdev);
2270 	if (!r) {
2271 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2272 		ring->ring_obj = NULL;
2273 		r600_ring_init(rdev, ring, 4096);
2274 	}
2275 
2276 	rdev->ih.ring_obj = NULL;
2277 	r600_ih_ring_init(rdev, 64 * 1024);
2278 
2279 	r = r600_pcie_gart_init(rdev);
2280 	if (r)
2281 		return r;
2282 
2283 	rdev->accel_working = true;
2284 	r = cayman_startup(rdev);
2285 	if (r) {
2286 		dev_err(rdev->dev, "disabling GPU acceleration\n");
2287 		cayman_cp_fini(rdev);
2288 		cayman_dma_fini(rdev);
2289 		r600_irq_fini(rdev);
2290 		if (rdev->flags & RADEON_IS_IGP)
2291 			sumo_rlc_fini(rdev);
2292 		radeon_wb_fini(rdev);
2293 		radeon_ib_pool_fini(rdev);
2294 		radeon_vm_manager_fini(rdev);
2295 		radeon_irq_kms_fini(rdev);
2296 		cayman_pcie_gart_fini(rdev);
2297 		rdev->accel_working = false;
2298 	}
2299 
2300 	/* Don't start up if the MC ucode is missing.
2301 	 * The default clocks and voltages before the MC ucode
2302 	 * is loaded are not suffient for advanced operations.
2303 	 *
2304 	 * We can skip this check for TN, because there is no MC
2305 	 * ucode.
2306 	 */
2307 	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2308 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2309 		return -EINVAL;
2310 	}
2311 
2312 	return 0;
2313 }
2314 
2315 void cayman_fini(struct radeon_device *rdev)
2316 {
2317 	radeon_pm_fini(rdev);
2318 	cayman_cp_fini(rdev);
2319 	cayman_dma_fini(rdev);
2320 	r600_irq_fini(rdev);
2321 	if (rdev->flags & RADEON_IS_IGP)
2322 		sumo_rlc_fini(rdev);
2323 	radeon_wb_fini(rdev);
2324 	radeon_vm_manager_fini(rdev);
2325 	radeon_ib_pool_fini(rdev);
2326 	radeon_irq_kms_fini(rdev);
2327 	uvd_v1_0_fini(rdev);
2328 	radeon_uvd_fini(rdev);
2329 	cayman_pcie_gart_fini(rdev);
2330 	r600_vram_scratch_fini(rdev);
2331 	radeon_gem_fini(rdev);
2332 	radeon_fence_driver_fini(rdev);
2333 	radeon_bo_fini(rdev);
2334 	radeon_atombios_fini(rdev);
2335 	kfree(rdev->bios);
2336 	rdev->bios = NULL;
2337 }
2338 
2339 /*
2340  * vm
2341  */
2342 int cayman_vm_init(struct radeon_device *rdev)
2343 {
2344 	/* number of VMs */
2345 	rdev->vm_manager.nvm = 8;
2346 	/* base offset of vram pages */
2347 	if (rdev->flags & RADEON_IS_IGP) {
2348 		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2349 		tmp <<= 22;
2350 		rdev->vm_manager.vram_base_offset = tmp;
2351 	} else
2352 		rdev->vm_manager.vram_base_offset = 0;
2353 	return 0;
2354 }
2355 
2356 void cayman_vm_fini(struct radeon_device *rdev)
2357 {
2358 }
2359 
2360 /**
2361  * cayman_vm_decode_fault - print human readable fault info
2362  *
2363  * @rdev: radeon_device pointer
2364  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2365  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2366  *
2367  * Print human readable fault information (cayman/TN).
2368  */
2369 void cayman_vm_decode_fault(struct radeon_device *rdev,
2370 			    u32 status, u32 addr)
2371 {
2372 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2373 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2374 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2375 	char *block;
2376 
2377 	switch (mc_id) {
2378 	case 32:
2379 	case 16:
2380 	case 96:
2381 	case 80:
2382 	case 160:
2383 	case 144:
2384 	case 224:
2385 	case 208:
2386 		block = "CB";
2387 		break;
2388 	case 33:
2389 	case 17:
2390 	case 97:
2391 	case 81:
2392 	case 161:
2393 	case 145:
2394 	case 225:
2395 	case 209:
2396 		block = "CB_FMASK";
2397 		break;
2398 	case 34:
2399 	case 18:
2400 	case 98:
2401 	case 82:
2402 	case 162:
2403 	case 146:
2404 	case 226:
2405 	case 210:
2406 		block = "CB_CMASK";
2407 		break;
2408 	case 35:
2409 	case 19:
2410 	case 99:
2411 	case 83:
2412 	case 163:
2413 	case 147:
2414 	case 227:
2415 	case 211:
2416 		block = "CB_IMMED";
2417 		break;
2418 	case 36:
2419 	case 20:
2420 	case 100:
2421 	case 84:
2422 	case 164:
2423 	case 148:
2424 	case 228:
2425 	case 212:
2426 		block = "DB";
2427 		break;
2428 	case 37:
2429 	case 21:
2430 	case 101:
2431 	case 85:
2432 	case 165:
2433 	case 149:
2434 	case 229:
2435 	case 213:
2436 		block = "DB_HTILE";
2437 		break;
2438 	case 38:
2439 	case 22:
2440 	case 102:
2441 	case 86:
2442 	case 166:
2443 	case 150:
2444 	case 230:
2445 	case 214:
2446 		block = "SX";
2447 		break;
2448 	case 39:
2449 	case 23:
2450 	case 103:
2451 	case 87:
2452 	case 167:
2453 	case 151:
2454 	case 231:
2455 	case 215:
2456 		block = "DB_STEN";
2457 		break;
2458 	case 40:
2459 	case 24:
2460 	case 104:
2461 	case 88:
2462 	case 232:
2463 	case 216:
2464 	case 168:
2465 	case 152:
2466 		block = "TC_TFETCH";
2467 		break;
2468 	case 41:
2469 	case 25:
2470 	case 105:
2471 	case 89:
2472 	case 233:
2473 	case 217:
2474 	case 169:
2475 	case 153:
2476 		block = "TC_VFETCH";
2477 		break;
2478 	case 42:
2479 	case 26:
2480 	case 106:
2481 	case 90:
2482 	case 234:
2483 	case 218:
2484 	case 170:
2485 	case 154:
2486 		block = "VC";
2487 		break;
2488 	case 112:
2489 		block = "CP";
2490 		break;
2491 	case 113:
2492 	case 114:
2493 		block = "SH";
2494 		break;
2495 	case 115:
2496 		block = "VGT";
2497 		break;
2498 	case 178:
2499 		block = "IH";
2500 		break;
2501 	case 51:
2502 		block = "RLC";
2503 		break;
2504 	case 55:
2505 		block = "DMA";
2506 		break;
2507 	case 56:
2508 		block = "HDP";
2509 		break;
2510 	default:
2511 		block = "unknown";
2512 		break;
2513 	}
2514 
2515 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2516 	       protections, vmid, addr,
2517 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2518 	       block, mc_id);
2519 }
2520 
2521 /**
2522  * cayman_vm_flush - vm flush using the CP
2523  *
2524  * @rdev: radeon_device pointer
2525  *
2526  * Update the page table base and flush the VM TLB
2527  * using the CP (cayman-si).
2528  */
2529 void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2530 		     unsigned vm_id, uint64_t pd_addr)
2531 {
2532 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2533 	radeon_ring_write(ring, pd_addr >> 12);
2534 
2535 	/* flush hdp cache */
2536 	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2537 	radeon_ring_write(ring, 0x1);
2538 
2539 	/* bits 0-7 are the VM contexts0-7 */
2540 	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2541 	radeon_ring_write(ring, 1 << vm_id);
2542 
2543 	/* wait for the invalidate to complete */
2544 	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2545 	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2546 				 WAIT_REG_MEM_ENGINE(0))); /* me */
2547 	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2548 	radeon_ring_write(ring, 0);
2549 	radeon_ring_write(ring, 0); /* ref */
2550 	radeon_ring_write(ring, 0); /* mask */
2551 	radeon_ring_write(ring, 0x20); /* poll interval */
2552 
2553 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2554 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2555 	radeon_ring_write(ring, 0x0);
2556 }
2557