xref: /linux/drivers/gpu/drm/radeon/ni.c (revision 148f9bb87745ed45f7a11b2cbd3bc0f017d5d257)
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/platform_device.h>
26 #include <linux/slab.h>
27 #include <linux/module.h>
28 #include <drm/drmP.h>
29 #include "radeon.h"
30 #include "radeon_asic.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 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 static u32 tn_rlc_save_restore_register_list_size = ARRAY_SIZE(tn_rlc_save_restore_register_list);
165 
166 extern bool evergreen_is_display_hung(struct radeon_device *rdev);
167 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
168 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
169 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
170 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
171 extern void evergreen_mc_program(struct radeon_device *rdev);
172 extern void evergreen_irq_suspend(struct radeon_device *rdev);
173 extern int evergreen_mc_init(struct radeon_device *rdev);
174 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
175 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
176 extern void evergreen_program_aspm(struct radeon_device *rdev);
177 extern void sumo_rlc_fini(struct radeon_device *rdev);
178 extern int sumo_rlc_init(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 	struct platform_device *pdev;
688 	const char *chip_name;
689 	const char *rlc_chip_name;
690 	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
691 	size_t smc_req_size = 0;
692 	char fw_name[30];
693 	int err;
694 
695 	DRM_DEBUG("\n");
696 
697 	pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
698 	err = IS_ERR(pdev);
699 	if (err) {
700 		printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
701 		return -EINVAL;
702 	}
703 
704 	switch (rdev->family) {
705 	case CHIP_BARTS:
706 		chip_name = "BARTS";
707 		rlc_chip_name = "BTC";
708 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
709 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
710 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
711 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
712 		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
713 		break;
714 	case CHIP_TURKS:
715 		chip_name = "TURKS";
716 		rlc_chip_name = "BTC";
717 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
718 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
719 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
720 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
721 		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
722 		break;
723 	case CHIP_CAICOS:
724 		chip_name = "CAICOS";
725 		rlc_chip_name = "BTC";
726 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
727 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
728 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
729 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
730 		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
731 		break;
732 	case CHIP_CAYMAN:
733 		chip_name = "CAYMAN";
734 		rlc_chip_name = "CAYMAN";
735 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
736 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
737 		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
738 		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
739 		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
740 		break;
741 	case CHIP_ARUBA:
742 		chip_name = "ARUBA";
743 		rlc_chip_name = "ARUBA";
744 		/* pfp/me same size as CAYMAN */
745 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
746 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
747 		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
748 		mc_req_size = 0;
749 		break;
750 	default: BUG();
751 	}
752 
753 	DRM_INFO("Loading %s Microcode\n", chip_name);
754 
755 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
756 	err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
757 	if (err)
758 		goto out;
759 	if (rdev->pfp_fw->size != pfp_req_size) {
760 		printk(KERN_ERR
761 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
762 		       rdev->pfp_fw->size, fw_name);
763 		err = -EINVAL;
764 		goto out;
765 	}
766 
767 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
768 	err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
769 	if (err)
770 		goto out;
771 	if (rdev->me_fw->size != me_req_size) {
772 		printk(KERN_ERR
773 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
774 		       rdev->me_fw->size, fw_name);
775 		err = -EINVAL;
776 	}
777 
778 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
779 	err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
780 	if (err)
781 		goto out;
782 	if (rdev->rlc_fw->size != rlc_req_size) {
783 		printk(KERN_ERR
784 		       "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
785 		       rdev->rlc_fw->size, fw_name);
786 		err = -EINVAL;
787 	}
788 
789 	/* no MC ucode on TN */
790 	if (!(rdev->flags & RADEON_IS_IGP)) {
791 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
792 		err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
793 		if (err)
794 			goto out;
795 		if (rdev->mc_fw->size != mc_req_size) {
796 			printk(KERN_ERR
797 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
798 			       rdev->mc_fw->size, fw_name);
799 			err = -EINVAL;
800 		}
801 	}
802 
803 	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
804 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
805 		err = request_firmware(&rdev->smc_fw, fw_name, &pdev->dev);
806 		if (err)
807 			goto out;
808 		if (rdev->smc_fw->size != smc_req_size) {
809 			printk(KERN_ERR
810 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
811 			       rdev->mc_fw->size, fw_name);
812 			err = -EINVAL;
813 		}
814 	}
815 
816 out:
817 	platform_device_unregister(pdev);
818 
819 	if (err) {
820 		if (err != -EINVAL)
821 			printk(KERN_ERR
822 			       "ni_cp: Failed to load firmware \"%s\"\n",
823 			       fw_name);
824 		release_firmware(rdev->pfp_fw);
825 		rdev->pfp_fw = NULL;
826 		release_firmware(rdev->me_fw);
827 		rdev->me_fw = NULL;
828 		release_firmware(rdev->rlc_fw);
829 		rdev->rlc_fw = NULL;
830 		release_firmware(rdev->mc_fw);
831 		rdev->mc_fw = NULL;
832 	}
833 	return err;
834 }
835 
836 int tn_get_temp(struct radeon_device *rdev)
837 {
838 	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
839 	int actual_temp = (temp / 8) - 49;
840 
841 	return actual_temp * 1000;
842 }
843 
844 /*
845  * Core functions
846  */
847 static void cayman_gpu_init(struct radeon_device *rdev)
848 {
849 	u32 gb_addr_config = 0;
850 	u32 mc_shared_chmap, mc_arb_ramcfg;
851 	u32 cgts_tcc_disable;
852 	u32 sx_debug_1;
853 	u32 smx_dc_ctl0;
854 	u32 cgts_sm_ctrl_reg;
855 	u32 hdp_host_path_cntl;
856 	u32 tmp;
857 	u32 disabled_rb_mask;
858 	int i, j;
859 
860 	switch (rdev->family) {
861 	case CHIP_CAYMAN:
862 		rdev->config.cayman.max_shader_engines = 2;
863 		rdev->config.cayman.max_pipes_per_simd = 4;
864 		rdev->config.cayman.max_tile_pipes = 8;
865 		rdev->config.cayman.max_simds_per_se = 12;
866 		rdev->config.cayman.max_backends_per_se = 4;
867 		rdev->config.cayman.max_texture_channel_caches = 8;
868 		rdev->config.cayman.max_gprs = 256;
869 		rdev->config.cayman.max_threads = 256;
870 		rdev->config.cayman.max_gs_threads = 32;
871 		rdev->config.cayman.max_stack_entries = 512;
872 		rdev->config.cayman.sx_num_of_sets = 8;
873 		rdev->config.cayman.sx_max_export_size = 256;
874 		rdev->config.cayman.sx_max_export_pos_size = 64;
875 		rdev->config.cayman.sx_max_export_smx_size = 192;
876 		rdev->config.cayman.max_hw_contexts = 8;
877 		rdev->config.cayman.sq_num_cf_insts = 2;
878 
879 		rdev->config.cayman.sc_prim_fifo_size = 0x100;
880 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
881 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
882 		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
883 		break;
884 	case CHIP_ARUBA:
885 	default:
886 		rdev->config.cayman.max_shader_engines = 1;
887 		rdev->config.cayman.max_pipes_per_simd = 4;
888 		rdev->config.cayman.max_tile_pipes = 2;
889 		if ((rdev->pdev->device == 0x9900) ||
890 		    (rdev->pdev->device == 0x9901) ||
891 		    (rdev->pdev->device == 0x9905) ||
892 		    (rdev->pdev->device == 0x9906) ||
893 		    (rdev->pdev->device == 0x9907) ||
894 		    (rdev->pdev->device == 0x9908) ||
895 		    (rdev->pdev->device == 0x9909) ||
896 		    (rdev->pdev->device == 0x990B) ||
897 		    (rdev->pdev->device == 0x990C) ||
898 		    (rdev->pdev->device == 0x990F) ||
899 		    (rdev->pdev->device == 0x9910) ||
900 		    (rdev->pdev->device == 0x9917) ||
901 		    (rdev->pdev->device == 0x9999) ||
902 		    (rdev->pdev->device == 0x999C)) {
903 			rdev->config.cayman.max_simds_per_se = 6;
904 			rdev->config.cayman.max_backends_per_se = 2;
905 		} else if ((rdev->pdev->device == 0x9903) ||
906 			   (rdev->pdev->device == 0x9904) ||
907 			   (rdev->pdev->device == 0x990A) ||
908 			   (rdev->pdev->device == 0x990D) ||
909 			   (rdev->pdev->device == 0x990E) ||
910 			   (rdev->pdev->device == 0x9913) ||
911 			   (rdev->pdev->device == 0x9918) ||
912 			   (rdev->pdev->device == 0x999D)) {
913 			rdev->config.cayman.max_simds_per_se = 4;
914 			rdev->config.cayman.max_backends_per_se = 2;
915 		} else if ((rdev->pdev->device == 0x9919) ||
916 			   (rdev->pdev->device == 0x9990) ||
917 			   (rdev->pdev->device == 0x9991) ||
918 			   (rdev->pdev->device == 0x9994) ||
919 			   (rdev->pdev->device == 0x9995) ||
920 			   (rdev->pdev->device == 0x9996) ||
921 			   (rdev->pdev->device == 0x999A) ||
922 			   (rdev->pdev->device == 0x99A0)) {
923 			rdev->config.cayman.max_simds_per_se = 3;
924 			rdev->config.cayman.max_backends_per_se = 1;
925 		} else {
926 			rdev->config.cayman.max_simds_per_se = 2;
927 			rdev->config.cayman.max_backends_per_se = 1;
928 		}
929 		rdev->config.cayman.max_texture_channel_caches = 2;
930 		rdev->config.cayman.max_gprs = 256;
931 		rdev->config.cayman.max_threads = 256;
932 		rdev->config.cayman.max_gs_threads = 32;
933 		rdev->config.cayman.max_stack_entries = 512;
934 		rdev->config.cayman.sx_num_of_sets = 8;
935 		rdev->config.cayman.sx_max_export_size = 256;
936 		rdev->config.cayman.sx_max_export_pos_size = 64;
937 		rdev->config.cayman.sx_max_export_smx_size = 192;
938 		rdev->config.cayman.max_hw_contexts = 8;
939 		rdev->config.cayman.sq_num_cf_insts = 2;
940 
941 		rdev->config.cayman.sc_prim_fifo_size = 0x40;
942 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
943 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
944 		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
945 		break;
946 	}
947 
948 	/* Initialize HDP */
949 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
950 		WREG32((0x2c14 + j), 0x00000000);
951 		WREG32((0x2c18 + j), 0x00000000);
952 		WREG32((0x2c1c + j), 0x00000000);
953 		WREG32((0x2c20 + j), 0x00000000);
954 		WREG32((0x2c24 + j), 0x00000000);
955 	}
956 
957 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
958 
959 	evergreen_fix_pci_max_read_req_size(rdev);
960 
961 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
962 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
963 
964 	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
965 	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
966 	if (rdev->config.cayman.mem_row_size_in_kb > 4)
967 		rdev->config.cayman.mem_row_size_in_kb = 4;
968 	/* XXX use MC settings? */
969 	rdev->config.cayman.shader_engine_tile_size = 32;
970 	rdev->config.cayman.num_gpus = 1;
971 	rdev->config.cayman.multi_gpu_tile_size = 64;
972 
973 	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
974 	rdev->config.cayman.num_tile_pipes = (1 << tmp);
975 	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
976 	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
977 	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
978 	rdev->config.cayman.num_shader_engines = tmp + 1;
979 	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
980 	rdev->config.cayman.num_gpus = tmp + 1;
981 	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
982 	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
983 	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
984 	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
985 
986 
987 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
988 	 * not have bank info, so create a custom tiling dword.
989 	 * bits 3:0   num_pipes
990 	 * bits 7:4   num_banks
991 	 * bits 11:8  group_size
992 	 * bits 15:12 row_size
993 	 */
994 	rdev->config.cayman.tile_config = 0;
995 	switch (rdev->config.cayman.num_tile_pipes) {
996 	case 1:
997 	default:
998 		rdev->config.cayman.tile_config |= (0 << 0);
999 		break;
1000 	case 2:
1001 		rdev->config.cayman.tile_config |= (1 << 0);
1002 		break;
1003 	case 4:
1004 		rdev->config.cayman.tile_config |= (2 << 0);
1005 		break;
1006 	case 8:
1007 		rdev->config.cayman.tile_config |= (3 << 0);
1008 		break;
1009 	}
1010 
1011 	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1012 	if (rdev->flags & RADEON_IS_IGP)
1013 		rdev->config.cayman.tile_config |= 1 << 4;
1014 	else {
1015 		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1016 		case 0: /* four banks */
1017 			rdev->config.cayman.tile_config |= 0 << 4;
1018 			break;
1019 		case 1: /* eight banks */
1020 			rdev->config.cayman.tile_config |= 1 << 4;
1021 			break;
1022 		case 2: /* sixteen banks */
1023 		default:
1024 			rdev->config.cayman.tile_config |= 2 << 4;
1025 			break;
1026 		}
1027 	}
1028 	rdev->config.cayman.tile_config |=
1029 		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1030 	rdev->config.cayman.tile_config |=
1031 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1032 
1033 	tmp = 0;
1034 	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1035 		u32 rb_disable_bitmap;
1036 
1037 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1038 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1039 		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1040 		tmp <<= 4;
1041 		tmp |= rb_disable_bitmap;
1042 	}
1043 	/* enabled rb are just the one not disabled :) */
1044 	disabled_rb_mask = tmp;
1045 	tmp = 0;
1046 	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1047 		tmp |= (1 << i);
1048 	/* if all the backends are disabled, fix it up here */
1049 	if ((disabled_rb_mask & tmp) == tmp) {
1050 		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1051 			disabled_rb_mask &= ~(1 << i);
1052 	}
1053 
1054 	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1055 	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1056 
1057 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1058 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1059 	if (ASIC_IS_DCE6(rdev))
1060 		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1061 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1062 	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1063 	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1064 	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1065 	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1066 	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1067 
1068 	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1069 	    (rdev->flags & RADEON_IS_IGP)) {
1070 		if ((disabled_rb_mask & 3) == 1) {
1071 			/* RB0 disabled, RB1 enabled */
1072 			tmp = 0x11111111;
1073 		} else {
1074 			/* RB1 disabled, RB0 enabled */
1075 			tmp = 0x00000000;
1076 		}
1077 	} else {
1078 		tmp = gb_addr_config & NUM_PIPES_MASK;
1079 		tmp = r6xx_remap_render_backend(rdev, tmp,
1080 						rdev->config.cayman.max_backends_per_se *
1081 						rdev->config.cayman.max_shader_engines,
1082 						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1083 	}
1084 	WREG32(GB_BACKEND_MAP, tmp);
1085 
1086 	cgts_tcc_disable = 0xffff0000;
1087 	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1088 		cgts_tcc_disable &= ~(1 << (16 + i));
1089 	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1090 	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1091 	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1092 	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1093 
1094 	/* reprogram the shader complex */
1095 	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1096 	for (i = 0; i < 16; i++)
1097 		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1098 	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1099 
1100 	/* set HW defaults for 3D engine */
1101 	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1102 
1103 	sx_debug_1 = RREG32(SX_DEBUG_1);
1104 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1105 	WREG32(SX_DEBUG_1, sx_debug_1);
1106 
1107 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1108 	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1109 	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1110 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1111 
1112 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1113 
1114 	/* need to be explicitly zero-ed */
1115 	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1116 	WREG32(SQ_LSTMP_RING_BASE, 0);
1117 	WREG32(SQ_HSTMP_RING_BASE, 0);
1118 	WREG32(SQ_ESTMP_RING_BASE, 0);
1119 	WREG32(SQ_GSTMP_RING_BASE, 0);
1120 	WREG32(SQ_VSTMP_RING_BASE, 0);
1121 	WREG32(SQ_PSTMP_RING_BASE, 0);
1122 
1123 	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1124 
1125 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1126 					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1127 					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1128 
1129 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1130 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1131 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1132 
1133 
1134 	WREG32(VGT_NUM_INSTANCES, 1);
1135 
1136 	WREG32(CP_PERFMON_CNTL, 0);
1137 
1138 	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1139 				  FETCH_FIFO_HIWATER(0x4) |
1140 				  DONE_FIFO_HIWATER(0xe0) |
1141 				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1142 
1143 	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1144 	WREG32(SQ_CONFIG, (VC_ENABLE |
1145 			   EXPORT_SRC_C |
1146 			   GFX_PRIO(0) |
1147 			   CS1_PRIO(0) |
1148 			   CS2_PRIO(1)));
1149 	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1150 
1151 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1152 					  FORCE_EOV_MAX_REZ_CNT(255)));
1153 
1154 	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1155 	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1156 
1157 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1158 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1159 
1160 	WREG32(CB_PERF_CTR0_SEL_0, 0);
1161 	WREG32(CB_PERF_CTR0_SEL_1, 0);
1162 	WREG32(CB_PERF_CTR1_SEL_0, 0);
1163 	WREG32(CB_PERF_CTR1_SEL_1, 0);
1164 	WREG32(CB_PERF_CTR2_SEL_0, 0);
1165 	WREG32(CB_PERF_CTR2_SEL_1, 0);
1166 	WREG32(CB_PERF_CTR3_SEL_0, 0);
1167 	WREG32(CB_PERF_CTR3_SEL_1, 0);
1168 
1169 	tmp = RREG32(HDP_MISC_CNTL);
1170 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1171 	WREG32(HDP_MISC_CNTL, tmp);
1172 
1173 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1174 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1175 
1176 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1177 
1178 	udelay(50);
1179 
1180 	/* set clockgating golden values on TN */
1181 	if (rdev->family == CHIP_ARUBA) {
1182 		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1183 		tmp &= ~0x00380000;
1184 		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1185                 tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1186 		tmp &= ~0x0e000000;
1187 		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1188 	}
1189 }
1190 
1191 /*
1192  * GART
1193  */
1194 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1195 {
1196 	/* flush hdp cache */
1197 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1198 
1199 	/* bits 0-7 are the VM contexts0-7 */
1200 	WREG32(VM_INVALIDATE_REQUEST, 1);
1201 }
1202 
1203 static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1204 {
1205 	int i, r;
1206 
1207 	if (rdev->gart.robj == NULL) {
1208 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1209 		return -EINVAL;
1210 	}
1211 	r = radeon_gart_table_vram_pin(rdev);
1212 	if (r)
1213 		return r;
1214 	radeon_gart_restore(rdev);
1215 	/* Setup TLB control */
1216 	WREG32(MC_VM_MX_L1_TLB_CNTL,
1217 	       (0xA << 7) |
1218 	       ENABLE_L1_TLB |
1219 	       ENABLE_L1_FRAGMENT_PROCESSING |
1220 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1221 	       ENABLE_ADVANCED_DRIVER_MODEL |
1222 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1223 	/* Setup L2 cache */
1224 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1225 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1226 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1227 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1228 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1229 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1230 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1231 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1232 	/* setup context0 */
1233 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1234 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1235 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1236 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1237 			(u32)(rdev->dummy_page.addr >> 12));
1238 	WREG32(VM_CONTEXT0_CNTL2, 0);
1239 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1240 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1241 
1242 	WREG32(0x15D4, 0);
1243 	WREG32(0x15D8, 0);
1244 	WREG32(0x15DC, 0);
1245 
1246 	/* empty context1-7 */
1247 	/* Assign the pt base to something valid for now; the pts used for
1248 	 * the VMs are determined by the application and setup and assigned
1249 	 * on the fly in the vm part of radeon_gart.c
1250 	 */
1251 	for (i = 1; i < 8; i++) {
1252 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1253 		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
1254 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1255 			rdev->gart.table_addr >> 12);
1256 	}
1257 
1258 	/* enable context1-7 */
1259 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1260 	       (u32)(rdev->dummy_page.addr >> 12));
1261 	WREG32(VM_CONTEXT1_CNTL2, 4);
1262 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1263 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1264 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1265 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1266 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1267 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1268 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1269 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1270 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1271 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1272 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1273 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1274 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1275 
1276 	cayman_pcie_gart_tlb_flush(rdev);
1277 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1278 		 (unsigned)(rdev->mc.gtt_size >> 20),
1279 		 (unsigned long long)rdev->gart.table_addr);
1280 	rdev->gart.ready = true;
1281 	return 0;
1282 }
1283 
1284 static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1285 {
1286 	/* Disable all tables */
1287 	WREG32(VM_CONTEXT0_CNTL, 0);
1288 	WREG32(VM_CONTEXT1_CNTL, 0);
1289 	/* Setup TLB control */
1290 	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1291 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1292 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1293 	/* Setup L2 cache */
1294 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1295 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1296 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1297 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1298 	WREG32(VM_L2_CNTL2, 0);
1299 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1300 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1301 	radeon_gart_table_vram_unpin(rdev);
1302 }
1303 
1304 static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1305 {
1306 	cayman_pcie_gart_disable(rdev);
1307 	radeon_gart_table_vram_free(rdev);
1308 	radeon_gart_fini(rdev);
1309 }
1310 
1311 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1312 			      int ring, u32 cp_int_cntl)
1313 {
1314 	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1315 
1316 	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1317 	WREG32(CP_INT_CNTL, cp_int_cntl);
1318 }
1319 
1320 /*
1321  * CP.
1322  */
1323 void cayman_fence_ring_emit(struct radeon_device *rdev,
1324 			    struct radeon_fence *fence)
1325 {
1326 	struct radeon_ring *ring = &rdev->ring[fence->ring];
1327 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1328 
1329 	/* flush read cache over gart for this vmid */
1330 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1331 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
1332 	radeon_ring_write(ring, 0);
1333 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1334 	radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
1335 	radeon_ring_write(ring, 0xFFFFFFFF);
1336 	radeon_ring_write(ring, 0);
1337 	radeon_ring_write(ring, 10); /* poll interval */
1338 	/* EVENT_WRITE_EOP - flush caches, send int */
1339 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1340 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1341 	radeon_ring_write(ring, addr & 0xffffffff);
1342 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1343 	radeon_ring_write(ring, fence->seq);
1344 	radeon_ring_write(ring, 0);
1345 }
1346 
1347 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1348 {
1349 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1350 
1351 	/* set to DX10/11 mode */
1352 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1353 	radeon_ring_write(ring, 1);
1354 
1355 	if (ring->rptr_save_reg) {
1356 		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1357 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1358 		radeon_ring_write(ring, ((ring->rptr_save_reg -
1359 					  PACKET3_SET_CONFIG_REG_START) >> 2));
1360 		radeon_ring_write(ring, next_rptr);
1361 	}
1362 
1363 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1364 	radeon_ring_write(ring,
1365 #ifdef __BIG_ENDIAN
1366 			  (2 << 0) |
1367 #endif
1368 			  (ib->gpu_addr & 0xFFFFFFFC));
1369 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1370 	radeon_ring_write(ring, ib->length_dw |
1371 			  (ib->vm ? (ib->vm->id << 24) : 0));
1372 
1373 	/* flush read cache over gart for this vmid */
1374 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1375 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
1376 	radeon_ring_write(ring, ib->vm ? ib->vm->id : 0);
1377 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1378 	radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
1379 	radeon_ring_write(ring, 0xFFFFFFFF);
1380 	radeon_ring_write(ring, 0);
1381 	radeon_ring_write(ring, 10); /* poll interval */
1382 }
1383 
1384 void cayman_uvd_semaphore_emit(struct radeon_device *rdev,
1385 			       struct radeon_ring *ring,
1386 			       struct radeon_semaphore *semaphore,
1387 			       bool emit_wait)
1388 {
1389 	uint64_t addr = semaphore->gpu_addr;
1390 
1391 	radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0));
1392 	radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
1393 
1394 	radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0));
1395 	radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
1396 
1397 	radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
1398 	radeon_ring_write(ring, 0x80 | (emit_wait ? 1 : 0));
1399 }
1400 
1401 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1402 {
1403 	if (enable)
1404 		WREG32(CP_ME_CNTL, 0);
1405 	else {
1406 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1407 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1408 		WREG32(SCRATCH_UMSK, 0);
1409 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1410 	}
1411 }
1412 
1413 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1414 {
1415 	const __be32 *fw_data;
1416 	int i;
1417 
1418 	if (!rdev->me_fw || !rdev->pfp_fw)
1419 		return -EINVAL;
1420 
1421 	cayman_cp_enable(rdev, false);
1422 
1423 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1424 	WREG32(CP_PFP_UCODE_ADDR, 0);
1425 	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1426 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1427 	WREG32(CP_PFP_UCODE_ADDR, 0);
1428 
1429 	fw_data = (const __be32 *)rdev->me_fw->data;
1430 	WREG32(CP_ME_RAM_WADDR, 0);
1431 	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1432 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1433 
1434 	WREG32(CP_PFP_UCODE_ADDR, 0);
1435 	WREG32(CP_ME_RAM_WADDR, 0);
1436 	WREG32(CP_ME_RAM_RADDR, 0);
1437 	return 0;
1438 }
1439 
1440 static int cayman_cp_start(struct radeon_device *rdev)
1441 {
1442 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1443 	int r, i;
1444 
1445 	r = radeon_ring_lock(rdev, ring, 7);
1446 	if (r) {
1447 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1448 		return r;
1449 	}
1450 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1451 	radeon_ring_write(ring, 0x1);
1452 	radeon_ring_write(ring, 0x0);
1453 	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1454 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1455 	radeon_ring_write(ring, 0);
1456 	radeon_ring_write(ring, 0);
1457 	radeon_ring_unlock_commit(rdev, ring);
1458 
1459 	cayman_cp_enable(rdev, true);
1460 
1461 	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1462 	if (r) {
1463 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1464 		return r;
1465 	}
1466 
1467 	/* setup clear context state */
1468 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1469 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1470 
1471 	for (i = 0; i < cayman_default_size; i++)
1472 		radeon_ring_write(ring, cayman_default_state[i]);
1473 
1474 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1475 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1476 
1477 	/* set clear context state */
1478 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1479 	radeon_ring_write(ring, 0);
1480 
1481 	/* SQ_VTX_BASE_VTX_LOC */
1482 	radeon_ring_write(ring, 0xc0026f00);
1483 	radeon_ring_write(ring, 0x00000000);
1484 	radeon_ring_write(ring, 0x00000000);
1485 	radeon_ring_write(ring, 0x00000000);
1486 
1487 	/* Clear consts */
1488 	radeon_ring_write(ring, 0xc0036f00);
1489 	radeon_ring_write(ring, 0x00000bc4);
1490 	radeon_ring_write(ring, 0xffffffff);
1491 	radeon_ring_write(ring, 0xffffffff);
1492 	radeon_ring_write(ring, 0xffffffff);
1493 
1494 	radeon_ring_write(ring, 0xc0026900);
1495 	radeon_ring_write(ring, 0x00000316);
1496 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1497 	radeon_ring_write(ring, 0x00000010); /*  */
1498 
1499 	radeon_ring_unlock_commit(rdev, ring);
1500 
1501 	/* XXX init other rings */
1502 
1503 	return 0;
1504 }
1505 
1506 static void cayman_cp_fini(struct radeon_device *rdev)
1507 {
1508 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1509 	cayman_cp_enable(rdev, false);
1510 	radeon_ring_fini(rdev, ring);
1511 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1512 }
1513 
1514 static int cayman_cp_resume(struct radeon_device *rdev)
1515 {
1516 	static const int ridx[] = {
1517 		RADEON_RING_TYPE_GFX_INDEX,
1518 		CAYMAN_RING_TYPE_CP1_INDEX,
1519 		CAYMAN_RING_TYPE_CP2_INDEX
1520 	};
1521 	static const unsigned cp_rb_cntl[] = {
1522 		CP_RB0_CNTL,
1523 		CP_RB1_CNTL,
1524 		CP_RB2_CNTL,
1525 	};
1526 	static const unsigned cp_rb_rptr_addr[] = {
1527 		CP_RB0_RPTR_ADDR,
1528 		CP_RB1_RPTR_ADDR,
1529 		CP_RB2_RPTR_ADDR
1530 	};
1531 	static const unsigned cp_rb_rptr_addr_hi[] = {
1532 		CP_RB0_RPTR_ADDR_HI,
1533 		CP_RB1_RPTR_ADDR_HI,
1534 		CP_RB2_RPTR_ADDR_HI
1535 	};
1536 	static const unsigned cp_rb_base[] = {
1537 		CP_RB0_BASE,
1538 		CP_RB1_BASE,
1539 		CP_RB2_BASE
1540 	};
1541 	struct radeon_ring *ring;
1542 	int i, r;
1543 
1544 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1545 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1546 				 SOFT_RESET_PA |
1547 				 SOFT_RESET_SH |
1548 				 SOFT_RESET_VGT |
1549 				 SOFT_RESET_SPI |
1550 				 SOFT_RESET_SX));
1551 	RREG32(GRBM_SOFT_RESET);
1552 	mdelay(15);
1553 	WREG32(GRBM_SOFT_RESET, 0);
1554 	RREG32(GRBM_SOFT_RESET);
1555 
1556 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1557 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1558 
1559 	/* Set the write pointer delay */
1560 	WREG32(CP_RB_WPTR_DELAY, 0);
1561 
1562 	WREG32(CP_DEBUG, (1 << 27));
1563 
1564 	/* set the wb address whether it's enabled or not */
1565 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1566 	WREG32(SCRATCH_UMSK, 0xff);
1567 
1568 	for (i = 0; i < 3; ++i) {
1569 		uint32_t rb_cntl;
1570 		uint64_t addr;
1571 
1572 		/* Set ring buffer size */
1573 		ring = &rdev->ring[ridx[i]];
1574 		rb_cntl = drm_order(ring->ring_size / 8);
1575 		rb_cntl |= drm_order(RADEON_GPU_PAGE_SIZE/8) << 8;
1576 #ifdef __BIG_ENDIAN
1577 		rb_cntl |= BUF_SWAP_32BIT;
1578 #endif
1579 		WREG32(cp_rb_cntl[i], rb_cntl);
1580 
1581 		/* set the wb address whether it's enabled or not */
1582 		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1583 		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1584 		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1585 	}
1586 
1587 	/* set the rb base addr, this causes an internal reset of ALL rings */
1588 	for (i = 0; i < 3; ++i) {
1589 		ring = &rdev->ring[ridx[i]];
1590 		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1591 	}
1592 
1593 	for (i = 0; i < 3; ++i) {
1594 		/* Initialize the ring buffer's read and write pointers */
1595 		ring = &rdev->ring[ridx[i]];
1596 		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1597 
1598 		ring->rptr = ring->wptr = 0;
1599 		WREG32(ring->rptr_reg, ring->rptr);
1600 		WREG32(ring->wptr_reg, ring->wptr);
1601 
1602 		mdelay(1);
1603 		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1604 	}
1605 
1606 	/* start the rings */
1607 	cayman_cp_start(rdev);
1608 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1609 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1610 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1611 	/* this only test cp0 */
1612 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1613 	if (r) {
1614 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1615 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1616 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1617 		return r;
1618 	}
1619 
1620 	return 0;
1621 }
1622 
1623 /*
1624  * DMA
1625  * Starting with R600, the GPU has an asynchronous
1626  * DMA engine.  The programming model is very similar
1627  * to the 3D engine (ring buffer, IBs, etc.), but the
1628  * DMA controller has it's own packet format that is
1629  * different form the PM4 format used by the 3D engine.
1630  * It supports copying data, writing embedded data,
1631  * solid fills, and a number of other things.  It also
1632  * has support for tiling/detiling of buffers.
1633  * Cayman and newer support two asynchronous DMA engines.
1634  */
1635 /**
1636  * cayman_dma_ring_ib_execute - Schedule an IB on the DMA engine
1637  *
1638  * @rdev: radeon_device pointer
1639  * @ib: IB object to schedule
1640  *
1641  * Schedule an IB in the DMA ring (cayman-SI).
1642  */
1643 void cayman_dma_ring_ib_execute(struct radeon_device *rdev,
1644 				struct radeon_ib *ib)
1645 {
1646 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1647 
1648 	if (rdev->wb.enabled) {
1649 		u32 next_rptr = ring->wptr + 4;
1650 		while ((next_rptr & 7) != 5)
1651 			next_rptr++;
1652 		next_rptr += 3;
1653 		radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
1654 		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
1655 		radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff);
1656 		radeon_ring_write(ring, next_rptr);
1657 	}
1658 
1659 	/* The indirect buffer packet must end on an 8 DW boundary in the DMA ring.
1660 	 * Pad as necessary with NOPs.
1661 	 */
1662 	while ((ring->wptr & 7) != 5)
1663 		radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
1664 	radeon_ring_write(ring, DMA_IB_PACKET(DMA_PACKET_INDIRECT_BUFFER, ib->vm ? ib->vm->id : 0, 0));
1665 	radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0));
1666 	radeon_ring_write(ring, (ib->length_dw << 12) | (upper_32_bits(ib->gpu_addr) & 0xFF));
1667 
1668 }
1669 
1670 /**
1671  * cayman_dma_stop - stop the async dma engines
1672  *
1673  * @rdev: radeon_device pointer
1674  *
1675  * Stop the async dma engines (cayman-SI).
1676  */
1677 void cayman_dma_stop(struct radeon_device *rdev)
1678 {
1679 	u32 rb_cntl;
1680 
1681 	radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1682 
1683 	/* dma0 */
1684 	rb_cntl = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1685 	rb_cntl &= ~DMA_RB_ENABLE;
1686 	WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, rb_cntl);
1687 
1688 	/* dma1 */
1689 	rb_cntl = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1690 	rb_cntl &= ~DMA_RB_ENABLE;
1691 	WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, rb_cntl);
1692 
1693 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false;
1694 	rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready = false;
1695 }
1696 
1697 /**
1698  * cayman_dma_resume - setup and start the async dma engines
1699  *
1700  * @rdev: radeon_device pointer
1701  *
1702  * Set up the DMA ring buffers and enable them. (cayman-SI).
1703  * Returns 0 for success, error for failure.
1704  */
1705 int cayman_dma_resume(struct radeon_device *rdev)
1706 {
1707 	struct radeon_ring *ring;
1708 	u32 rb_cntl, dma_cntl, ib_cntl;
1709 	u32 rb_bufsz;
1710 	u32 reg_offset, wb_offset;
1711 	int i, r;
1712 
1713 	/* Reset dma */
1714 	WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1);
1715 	RREG32(SRBM_SOFT_RESET);
1716 	udelay(50);
1717 	WREG32(SRBM_SOFT_RESET, 0);
1718 
1719 	for (i = 0; i < 2; i++) {
1720 		if (i == 0) {
1721 			ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
1722 			reg_offset = DMA0_REGISTER_OFFSET;
1723 			wb_offset = R600_WB_DMA_RPTR_OFFSET;
1724 		} else {
1725 			ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
1726 			reg_offset = DMA1_REGISTER_OFFSET;
1727 			wb_offset = CAYMAN_WB_DMA1_RPTR_OFFSET;
1728 		}
1729 
1730 		WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL + reg_offset, 0);
1731 		WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL + reg_offset, 0);
1732 
1733 		/* Set ring buffer size in dwords */
1734 		rb_bufsz = drm_order(ring->ring_size / 4);
1735 		rb_cntl = rb_bufsz << 1;
1736 #ifdef __BIG_ENDIAN
1737 		rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE;
1738 #endif
1739 		WREG32(DMA_RB_CNTL + reg_offset, rb_cntl);
1740 
1741 		/* Initialize the ring buffer's read and write pointers */
1742 		WREG32(DMA_RB_RPTR + reg_offset, 0);
1743 		WREG32(DMA_RB_WPTR + reg_offset, 0);
1744 
1745 		/* set the wb address whether it's enabled or not */
1746 		WREG32(DMA_RB_RPTR_ADDR_HI + reg_offset,
1747 		       upper_32_bits(rdev->wb.gpu_addr + wb_offset) & 0xFF);
1748 		WREG32(DMA_RB_RPTR_ADDR_LO + reg_offset,
1749 		       ((rdev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC));
1750 
1751 		if (rdev->wb.enabled)
1752 			rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE;
1753 
1754 		WREG32(DMA_RB_BASE + reg_offset, ring->gpu_addr >> 8);
1755 
1756 		/* enable DMA IBs */
1757 		ib_cntl = DMA_IB_ENABLE | CMD_VMID_FORCE;
1758 #ifdef __BIG_ENDIAN
1759 		ib_cntl |= DMA_IB_SWAP_ENABLE;
1760 #endif
1761 		WREG32(DMA_IB_CNTL + reg_offset, ib_cntl);
1762 
1763 		dma_cntl = RREG32(DMA_CNTL + reg_offset);
1764 		dma_cntl &= ~CTXEMPTY_INT_ENABLE;
1765 		WREG32(DMA_CNTL + reg_offset, dma_cntl);
1766 
1767 		ring->wptr = 0;
1768 		WREG32(DMA_RB_WPTR + reg_offset, ring->wptr << 2);
1769 
1770 		ring->rptr = RREG32(DMA_RB_RPTR + reg_offset) >> 2;
1771 
1772 		WREG32(DMA_RB_CNTL + reg_offset, rb_cntl | DMA_RB_ENABLE);
1773 
1774 		ring->ready = true;
1775 
1776 		r = radeon_ring_test(rdev, ring->idx, ring);
1777 		if (r) {
1778 			ring->ready = false;
1779 			return r;
1780 		}
1781 	}
1782 
1783 	radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1784 
1785 	return 0;
1786 }
1787 
1788 /**
1789  * cayman_dma_fini - tear down the async dma engines
1790  *
1791  * @rdev: radeon_device pointer
1792  *
1793  * Stop the async dma engines and free the rings (cayman-SI).
1794  */
1795 void cayman_dma_fini(struct radeon_device *rdev)
1796 {
1797 	cayman_dma_stop(rdev);
1798 	radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]);
1799 	radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]);
1800 }
1801 
1802 static u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1803 {
1804 	u32 reset_mask = 0;
1805 	u32 tmp;
1806 
1807 	/* GRBM_STATUS */
1808 	tmp = RREG32(GRBM_STATUS);
1809 	if (tmp & (PA_BUSY | SC_BUSY |
1810 		   SH_BUSY | SX_BUSY |
1811 		   TA_BUSY | VGT_BUSY |
1812 		   DB_BUSY | CB_BUSY |
1813 		   GDS_BUSY | SPI_BUSY |
1814 		   IA_BUSY | IA_BUSY_NO_DMA))
1815 		reset_mask |= RADEON_RESET_GFX;
1816 
1817 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1818 		   CP_BUSY | CP_COHERENCY_BUSY))
1819 		reset_mask |= RADEON_RESET_CP;
1820 
1821 	if (tmp & GRBM_EE_BUSY)
1822 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1823 
1824 	/* DMA_STATUS_REG 0 */
1825 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1826 	if (!(tmp & DMA_IDLE))
1827 		reset_mask |= RADEON_RESET_DMA;
1828 
1829 	/* DMA_STATUS_REG 1 */
1830 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1831 	if (!(tmp & DMA_IDLE))
1832 		reset_mask |= RADEON_RESET_DMA1;
1833 
1834 	/* SRBM_STATUS2 */
1835 	tmp = RREG32(SRBM_STATUS2);
1836 	if (tmp & DMA_BUSY)
1837 		reset_mask |= RADEON_RESET_DMA;
1838 
1839 	if (tmp & DMA1_BUSY)
1840 		reset_mask |= RADEON_RESET_DMA1;
1841 
1842 	/* SRBM_STATUS */
1843 	tmp = RREG32(SRBM_STATUS);
1844 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1845 		reset_mask |= RADEON_RESET_RLC;
1846 
1847 	if (tmp & IH_BUSY)
1848 		reset_mask |= RADEON_RESET_IH;
1849 
1850 	if (tmp & SEM_BUSY)
1851 		reset_mask |= RADEON_RESET_SEM;
1852 
1853 	if (tmp & GRBM_RQ_PENDING)
1854 		reset_mask |= RADEON_RESET_GRBM;
1855 
1856 	if (tmp & VMC_BUSY)
1857 		reset_mask |= RADEON_RESET_VMC;
1858 
1859 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1860 		   MCC_BUSY | MCD_BUSY))
1861 		reset_mask |= RADEON_RESET_MC;
1862 
1863 	if (evergreen_is_display_hung(rdev))
1864 		reset_mask |= RADEON_RESET_DISPLAY;
1865 
1866 	/* VM_L2_STATUS */
1867 	tmp = RREG32(VM_L2_STATUS);
1868 	if (tmp & L2_BUSY)
1869 		reset_mask |= RADEON_RESET_VMC;
1870 
1871 	/* Skip MC reset as it's mostly likely not hung, just busy */
1872 	if (reset_mask & RADEON_RESET_MC) {
1873 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1874 		reset_mask &= ~RADEON_RESET_MC;
1875 	}
1876 
1877 	return reset_mask;
1878 }
1879 
1880 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1881 {
1882 	struct evergreen_mc_save save;
1883 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1884 	u32 tmp;
1885 
1886 	if (reset_mask == 0)
1887 		return;
1888 
1889 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1890 
1891 	evergreen_print_gpu_status_regs(rdev);
1892 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1893 		 RREG32(0x14F8));
1894 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1895 		 RREG32(0x14D8));
1896 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1897 		 RREG32(0x14FC));
1898 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1899 		 RREG32(0x14DC));
1900 
1901 	/* Disable CP parsing/prefetching */
1902 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1903 
1904 	if (reset_mask & RADEON_RESET_DMA) {
1905 		/* dma0 */
1906 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1907 		tmp &= ~DMA_RB_ENABLE;
1908 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1909 	}
1910 
1911 	if (reset_mask & RADEON_RESET_DMA1) {
1912 		/* dma1 */
1913 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1914 		tmp &= ~DMA_RB_ENABLE;
1915 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1916 	}
1917 
1918 	udelay(50);
1919 
1920 	evergreen_mc_stop(rdev, &save);
1921 	if (evergreen_mc_wait_for_idle(rdev)) {
1922 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1923 	}
1924 
1925 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1926 		grbm_soft_reset = SOFT_RESET_CB |
1927 			SOFT_RESET_DB |
1928 			SOFT_RESET_GDS |
1929 			SOFT_RESET_PA |
1930 			SOFT_RESET_SC |
1931 			SOFT_RESET_SPI |
1932 			SOFT_RESET_SH |
1933 			SOFT_RESET_SX |
1934 			SOFT_RESET_TC |
1935 			SOFT_RESET_TA |
1936 			SOFT_RESET_VGT |
1937 			SOFT_RESET_IA;
1938 	}
1939 
1940 	if (reset_mask & RADEON_RESET_CP) {
1941 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1942 
1943 		srbm_soft_reset |= SOFT_RESET_GRBM;
1944 	}
1945 
1946 	if (reset_mask & RADEON_RESET_DMA)
1947 		srbm_soft_reset |= SOFT_RESET_DMA;
1948 
1949 	if (reset_mask & RADEON_RESET_DMA1)
1950 		srbm_soft_reset |= SOFT_RESET_DMA1;
1951 
1952 	if (reset_mask & RADEON_RESET_DISPLAY)
1953 		srbm_soft_reset |= SOFT_RESET_DC;
1954 
1955 	if (reset_mask & RADEON_RESET_RLC)
1956 		srbm_soft_reset |= SOFT_RESET_RLC;
1957 
1958 	if (reset_mask & RADEON_RESET_SEM)
1959 		srbm_soft_reset |= SOFT_RESET_SEM;
1960 
1961 	if (reset_mask & RADEON_RESET_IH)
1962 		srbm_soft_reset |= SOFT_RESET_IH;
1963 
1964 	if (reset_mask & RADEON_RESET_GRBM)
1965 		srbm_soft_reset |= SOFT_RESET_GRBM;
1966 
1967 	if (reset_mask & RADEON_RESET_VMC)
1968 		srbm_soft_reset |= SOFT_RESET_VMC;
1969 
1970 	if (!(rdev->flags & RADEON_IS_IGP)) {
1971 		if (reset_mask & RADEON_RESET_MC)
1972 			srbm_soft_reset |= SOFT_RESET_MC;
1973 	}
1974 
1975 	if (grbm_soft_reset) {
1976 		tmp = RREG32(GRBM_SOFT_RESET);
1977 		tmp |= grbm_soft_reset;
1978 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1979 		WREG32(GRBM_SOFT_RESET, tmp);
1980 		tmp = RREG32(GRBM_SOFT_RESET);
1981 
1982 		udelay(50);
1983 
1984 		tmp &= ~grbm_soft_reset;
1985 		WREG32(GRBM_SOFT_RESET, tmp);
1986 		tmp = RREG32(GRBM_SOFT_RESET);
1987 	}
1988 
1989 	if (srbm_soft_reset) {
1990 		tmp = RREG32(SRBM_SOFT_RESET);
1991 		tmp |= srbm_soft_reset;
1992 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1993 		WREG32(SRBM_SOFT_RESET, tmp);
1994 		tmp = RREG32(SRBM_SOFT_RESET);
1995 
1996 		udelay(50);
1997 
1998 		tmp &= ~srbm_soft_reset;
1999 		WREG32(SRBM_SOFT_RESET, tmp);
2000 		tmp = RREG32(SRBM_SOFT_RESET);
2001 	}
2002 
2003 	/* Wait a little for things to settle down */
2004 	udelay(50);
2005 
2006 	evergreen_mc_resume(rdev, &save);
2007 	udelay(50);
2008 
2009 	evergreen_print_gpu_status_regs(rdev);
2010 }
2011 
2012 int cayman_asic_reset(struct radeon_device *rdev)
2013 {
2014 	u32 reset_mask;
2015 
2016 	reset_mask = cayman_gpu_check_soft_reset(rdev);
2017 
2018 	if (reset_mask)
2019 		r600_set_bios_scratch_engine_hung(rdev, true);
2020 
2021 	cayman_gpu_soft_reset(rdev, reset_mask);
2022 
2023 	reset_mask = cayman_gpu_check_soft_reset(rdev);
2024 
2025 	if (!reset_mask)
2026 		r600_set_bios_scratch_engine_hung(rdev, false);
2027 
2028 	return 0;
2029 }
2030 
2031 /**
2032  * cayman_gfx_is_lockup - Check if the GFX engine is locked up
2033  *
2034  * @rdev: radeon_device pointer
2035  * @ring: radeon_ring structure holding ring information
2036  *
2037  * Check if the GFX engine is locked up.
2038  * Returns true if the engine appears to be locked up, false if not.
2039  */
2040 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2041 {
2042 	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
2043 
2044 	if (!(reset_mask & (RADEON_RESET_GFX |
2045 			    RADEON_RESET_COMPUTE |
2046 			    RADEON_RESET_CP))) {
2047 		radeon_ring_lockup_update(ring);
2048 		return false;
2049 	}
2050 	/* force CP activities */
2051 	radeon_ring_force_activity(rdev, ring);
2052 	return radeon_ring_test_lockup(rdev, ring);
2053 }
2054 
2055 /**
2056  * cayman_dma_is_lockup - Check if the DMA engine is locked up
2057  *
2058  * @rdev: radeon_device pointer
2059  * @ring: radeon_ring structure holding ring information
2060  *
2061  * Check if the async DMA engine is locked up.
2062  * Returns true if the engine appears to be locked up, false if not.
2063  */
2064 bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2065 {
2066 	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
2067 	u32 mask;
2068 
2069 	if (ring->idx == R600_RING_TYPE_DMA_INDEX)
2070 		mask = RADEON_RESET_DMA;
2071 	else
2072 		mask = RADEON_RESET_DMA1;
2073 
2074 	if (!(reset_mask & mask)) {
2075 		radeon_ring_lockup_update(ring);
2076 		return false;
2077 	}
2078 	/* force ring activities */
2079 	radeon_ring_force_activity(rdev, ring);
2080 	return radeon_ring_test_lockup(rdev, ring);
2081 }
2082 
2083 static int cayman_startup(struct radeon_device *rdev)
2084 {
2085 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2086 	int r;
2087 
2088 	/* enable pcie gen2 link */
2089 	evergreen_pcie_gen2_enable(rdev);
2090 	/* enable aspm */
2091 	evergreen_program_aspm(rdev);
2092 
2093 	if (rdev->flags & RADEON_IS_IGP) {
2094 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2095 			r = ni_init_microcode(rdev);
2096 			if (r) {
2097 				DRM_ERROR("Failed to load firmware!\n");
2098 				return r;
2099 			}
2100 		}
2101 	} else {
2102 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2103 			r = ni_init_microcode(rdev);
2104 			if (r) {
2105 				DRM_ERROR("Failed to load firmware!\n");
2106 				return r;
2107 			}
2108 		}
2109 
2110 		r = ni_mc_load_microcode(rdev);
2111 		if (r) {
2112 			DRM_ERROR("Failed to load MC firmware!\n");
2113 			return r;
2114 		}
2115 	}
2116 
2117 	r = r600_vram_scratch_init(rdev);
2118 	if (r)
2119 		return r;
2120 
2121 	evergreen_mc_program(rdev);
2122 	r = cayman_pcie_gart_enable(rdev);
2123 	if (r)
2124 		return r;
2125 	cayman_gpu_init(rdev);
2126 
2127 	r = evergreen_blit_init(rdev);
2128 	if (r) {
2129 		r600_blit_fini(rdev);
2130 		rdev->asic->copy.copy = NULL;
2131 		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2132 	}
2133 
2134 	/* allocate rlc buffers */
2135 	if (rdev->flags & RADEON_IS_IGP) {
2136 		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2137 		rdev->rlc.reg_list_size = tn_rlc_save_restore_register_list_size;
2138 		rdev->rlc.cs_data = cayman_cs_data;
2139 		r = sumo_rlc_init(rdev);
2140 		if (r) {
2141 			DRM_ERROR("Failed to init rlc BOs!\n");
2142 			return r;
2143 		}
2144 	}
2145 
2146 	/* allocate wb buffer */
2147 	r = radeon_wb_init(rdev);
2148 	if (r)
2149 		return r;
2150 
2151 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2152 	if (r) {
2153 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2154 		return r;
2155 	}
2156 
2157 	r = rv770_uvd_resume(rdev);
2158 	if (!r) {
2159 		r = radeon_fence_driver_start_ring(rdev,
2160 						   R600_RING_TYPE_UVD_INDEX);
2161 		if (r)
2162 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
2163 	}
2164 	if (r)
2165 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2166 
2167 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2168 	if (r) {
2169 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2170 		return r;
2171 	}
2172 
2173 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2174 	if (r) {
2175 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2176 		return r;
2177 	}
2178 
2179 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2180 	if (r) {
2181 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2182 		return r;
2183 	}
2184 
2185 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2186 	if (r) {
2187 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2188 		return r;
2189 	}
2190 
2191 	/* Enable IRQ */
2192 	if (!rdev->irq.installed) {
2193 		r = radeon_irq_kms_init(rdev);
2194 		if (r)
2195 			return r;
2196 	}
2197 
2198 	r = r600_irq_init(rdev);
2199 	if (r) {
2200 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2201 		radeon_irq_kms_fini(rdev);
2202 		return r;
2203 	}
2204 	evergreen_irq_set(rdev);
2205 
2206 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2207 			     CP_RB0_RPTR, CP_RB0_WPTR,
2208 			     0, 0xfffff, RADEON_CP_PACKET2);
2209 	if (r)
2210 		return r;
2211 
2212 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2213 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2214 			     DMA_RB_RPTR + DMA0_REGISTER_OFFSET,
2215 			     DMA_RB_WPTR + DMA0_REGISTER_OFFSET,
2216 			     2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2217 	if (r)
2218 		return r;
2219 
2220 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2221 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2222 			     DMA_RB_RPTR + DMA1_REGISTER_OFFSET,
2223 			     DMA_RB_WPTR + DMA1_REGISTER_OFFSET,
2224 			     2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2225 	if (r)
2226 		return r;
2227 
2228 	r = cayman_cp_load_microcode(rdev);
2229 	if (r)
2230 		return r;
2231 	r = cayman_cp_resume(rdev);
2232 	if (r)
2233 		return r;
2234 
2235 	r = cayman_dma_resume(rdev);
2236 	if (r)
2237 		return r;
2238 
2239 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2240 	if (ring->ring_size) {
2241 		r = radeon_ring_init(rdev, ring, ring->ring_size,
2242 				     R600_WB_UVD_RPTR_OFFSET,
2243 				     UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
2244 				     0, 0xfffff, RADEON_CP_PACKET2);
2245 		if (!r)
2246 			r = r600_uvd_init(rdev);
2247 		if (r)
2248 			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2249 	}
2250 
2251 	r = radeon_ib_pool_init(rdev);
2252 	if (r) {
2253 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2254 		return r;
2255 	}
2256 
2257 	r = radeon_vm_manager_init(rdev);
2258 	if (r) {
2259 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2260 		return r;
2261 	}
2262 
2263 	r = r600_audio_init(rdev);
2264 	if (r)
2265 		return r;
2266 
2267 	return 0;
2268 }
2269 
2270 int cayman_resume(struct radeon_device *rdev)
2271 {
2272 	int r;
2273 
2274 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2275 	 * posting will perform necessary task to bring back GPU into good
2276 	 * shape.
2277 	 */
2278 	/* post card */
2279 	atom_asic_init(rdev->mode_info.atom_context);
2280 
2281 	/* init golden registers */
2282 	ni_init_golden_registers(rdev);
2283 
2284 	rdev->accel_working = true;
2285 	r = cayman_startup(rdev);
2286 	if (r) {
2287 		DRM_ERROR("cayman startup failed on resume\n");
2288 		rdev->accel_working = false;
2289 		return r;
2290 	}
2291 	return r;
2292 }
2293 
2294 int cayman_suspend(struct radeon_device *rdev)
2295 {
2296 	r600_audio_fini(rdev);
2297 	radeon_vm_manager_fini(rdev);
2298 	cayman_cp_enable(rdev, false);
2299 	cayman_dma_stop(rdev);
2300 	r600_uvd_rbc_stop(rdev);
2301 	radeon_uvd_suspend(rdev);
2302 	evergreen_irq_suspend(rdev);
2303 	radeon_wb_disable(rdev);
2304 	cayman_pcie_gart_disable(rdev);
2305 	return 0;
2306 }
2307 
2308 /* Plan is to move initialization in that function and use
2309  * helper function so that radeon_device_init pretty much
2310  * do nothing more than calling asic specific function. This
2311  * should also allow to remove a bunch of callback function
2312  * like vram_info.
2313  */
2314 int cayman_init(struct radeon_device *rdev)
2315 {
2316 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2317 	int r;
2318 
2319 	/* Read BIOS */
2320 	if (!radeon_get_bios(rdev)) {
2321 		if (ASIC_IS_AVIVO(rdev))
2322 			return -EINVAL;
2323 	}
2324 	/* Must be an ATOMBIOS */
2325 	if (!rdev->is_atom_bios) {
2326 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2327 		return -EINVAL;
2328 	}
2329 	r = radeon_atombios_init(rdev);
2330 	if (r)
2331 		return r;
2332 
2333 	/* Post card if necessary */
2334 	if (!radeon_card_posted(rdev)) {
2335 		if (!rdev->bios) {
2336 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2337 			return -EINVAL;
2338 		}
2339 		DRM_INFO("GPU not posted. posting now...\n");
2340 		atom_asic_init(rdev->mode_info.atom_context);
2341 	}
2342 	/* init golden registers */
2343 	ni_init_golden_registers(rdev);
2344 	/* Initialize scratch registers */
2345 	r600_scratch_init(rdev);
2346 	/* Initialize surface registers */
2347 	radeon_surface_init(rdev);
2348 	/* Initialize clocks */
2349 	radeon_get_clock_info(rdev->ddev);
2350 	/* Fence driver */
2351 	r = radeon_fence_driver_init(rdev);
2352 	if (r)
2353 		return r;
2354 	/* initialize memory controller */
2355 	r = evergreen_mc_init(rdev);
2356 	if (r)
2357 		return r;
2358 	/* Memory manager */
2359 	r = radeon_bo_init(rdev);
2360 	if (r)
2361 		return r;
2362 
2363 	ring->ring_obj = NULL;
2364 	r600_ring_init(rdev, ring, 1024 * 1024);
2365 
2366 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2367 	ring->ring_obj = NULL;
2368 	r600_ring_init(rdev, ring, 64 * 1024);
2369 
2370 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2371 	ring->ring_obj = NULL;
2372 	r600_ring_init(rdev, ring, 64 * 1024);
2373 
2374 	r = radeon_uvd_init(rdev);
2375 	if (!r) {
2376 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2377 		ring->ring_obj = NULL;
2378 		r600_ring_init(rdev, ring, 4096);
2379 	}
2380 
2381 	rdev->ih.ring_obj = NULL;
2382 	r600_ih_ring_init(rdev, 64 * 1024);
2383 
2384 	r = r600_pcie_gart_init(rdev);
2385 	if (r)
2386 		return r;
2387 
2388 	rdev->accel_working = true;
2389 	r = cayman_startup(rdev);
2390 	if (r) {
2391 		dev_err(rdev->dev, "disabling GPU acceleration\n");
2392 		cayman_cp_fini(rdev);
2393 		cayman_dma_fini(rdev);
2394 		r600_irq_fini(rdev);
2395 		if (rdev->flags & RADEON_IS_IGP)
2396 			sumo_rlc_fini(rdev);
2397 		radeon_wb_fini(rdev);
2398 		radeon_ib_pool_fini(rdev);
2399 		radeon_vm_manager_fini(rdev);
2400 		radeon_irq_kms_fini(rdev);
2401 		cayman_pcie_gart_fini(rdev);
2402 		rdev->accel_working = false;
2403 	}
2404 
2405 	/* Don't start up if the MC ucode is missing.
2406 	 * The default clocks and voltages before the MC ucode
2407 	 * is loaded are not suffient for advanced operations.
2408 	 *
2409 	 * We can skip this check for TN, because there is no MC
2410 	 * ucode.
2411 	 */
2412 	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2413 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2414 		return -EINVAL;
2415 	}
2416 
2417 	return 0;
2418 }
2419 
2420 void cayman_fini(struct radeon_device *rdev)
2421 {
2422 	r600_blit_fini(rdev);
2423 	cayman_cp_fini(rdev);
2424 	cayman_dma_fini(rdev);
2425 	r600_irq_fini(rdev);
2426 	if (rdev->flags & RADEON_IS_IGP)
2427 		sumo_rlc_fini(rdev);
2428 	radeon_wb_fini(rdev);
2429 	radeon_vm_manager_fini(rdev);
2430 	radeon_ib_pool_fini(rdev);
2431 	radeon_irq_kms_fini(rdev);
2432 	radeon_uvd_fini(rdev);
2433 	cayman_pcie_gart_fini(rdev);
2434 	r600_vram_scratch_fini(rdev);
2435 	radeon_gem_fini(rdev);
2436 	radeon_fence_driver_fini(rdev);
2437 	radeon_bo_fini(rdev);
2438 	radeon_atombios_fini(rdev);
2439 	kfree(rdev->bios);
2440 	rdev->bios = NULL;
2441 }
2442 
2443 /*
2444  * vm
2445  */
2446 int cayman_vm_init(struct radeon_device *rdev)
2447 {
2448 	/* number of VMs */
2449 	rdev->vm_manager.nvm = 8;
2450 	/* base offset of vram pages */
2451 	if (rdev->flags & RADEON_IS_IGP) {
2452 		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2453 		tmp <<= 22;
2454 		rdev->vm_manager.vram_base_offset = tmp;
2455 	} else
2456 		rdev->vm_manager.vram_base_offset = 0;
2457 	return 0;
2458 }
2459 
2460 void cayman_vm_fini(struct radeon_device *rdev)
2461 {
2462 }
2463 
2464 #define R600_ENTRY_VALID   (1 << 0)
2465 #define R600_PTE_SYSTEM    (1 << 1)
2466 #define R600_PTE_SNOOPED   (1 << 2)
2467 #define R600_PTE_READABLE  (1 << 5)
2468 #define R600_PTE_WRITEABLE (1 << 6)
2469 
2470 uint32_t cayman_vm_page_flags(struct radeon_device *rdev, uint32_t flags)
2471 {
2472 	uint32_t r600_flags = 0;
2473 	r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_ENTRY_VALID : 0;
2474 	r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0;
2475 	r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0;
2476 	if (flags & RADEON_VM_PAGE_SYSTEM) {
2477 		r600_flags |= R600_PTE_SYSTEM;
2478 		r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0;
2479 	}
2480 	return r600_flags;
2481 }
2482 
2483 /**
2484  * cayman_vm_set_page - update the page tables using the CP
2485  *
2486  * @rdev: radeon_device pointer
2487  * @ib: indirect buffer to fill with commands
2488  * @pe: addr of the page entry
2489  * @addr: dst addr to write into pe
2490  * @count: number of page entries to update
2491  * @incr: increase next addr by incr bytes
2492  * @flags: access flags
2493  *
2494  * Update the page tables using the CP (cayman/TN).
2495  */
2496 void cayman_vm_set_page(struct radeon_device *rdev,
2497 			struct radeon_ib *ib,
2498 			uint64_t pe,
2499 			uint64_t addr, unsigned count,
2500 			uint32_t incr, uint32_t flags)
2501 {
2502 	uint32_t r600_flags = cayman_vm_page_flags(rdev, flags);
2503 	uint64_t value;
2504 	unsigned ndw;
2505 
2506 	if (rdev->asic->vm.pt_ring_index == RADEON_RING_TYPE_GFX_INDEX) {
2507 		while (count) {
2508 			ndw = 1 + count * 2;
2509 			if (ndw > 0x3FFF)
2510 				ndw = 0x3FFF;
2511 
2512 			ib->ptr[ib->length_dw++] = PACKET3(PACKET3_ME_WRITE, ndw);
2513 			ib->ptr[ib->length_dw++] = pe;
2514 			ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff;
2515 			for (; ndw > 1; ndw -= 2, --count, pe += 8) {
2516 				if (flags & RADEON_VM_PAGE_SYSTEM) {
2517 					value = radeon_vm_map_gart(rdev, addr);
2518 					value &= 0xFFFFFFFFFFFFF000ULL;
2519 				} else if (flags & RADEON_VM_PAGE_VALID) {
2520 					value = addr;
2521 				} else {
2522 					value = 0;
2523 				}
2524 				addr += incr;
2525 				value |= r600_flags;
2526 				ib->ptr[ib->length_dw++] = value;
2527 				ib->ptr[ib->length_dw++] = upper_32_bits(value);
2528 			}
2529 		}
2530 	} else {
2531 		if ((flags & RADEON_VM_PAGE_SYSTEM) ||
2532 		    (count == 1)) {
2533 			while (count) {
2534 				ndw = count * 2;
2535 				if (ndw > 0xFFFFE)
2536 					ndw = 0xFFFFE;
2537 
2538 				/* for non-physically contiguous pages (system) */
2539 				ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, ndw);
2540 				ib->ptr[ib->length_dw++] = pe;
2541 				ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff;
2542 				for (; ndw > 0; ndw -= 2, --count, pe += 8) {
2543 					if (flags & RADEON_VM_PAGE_SYSTEM) {
2544 						value = radeon_vm_map_gart(rdev, addr);
2545 						value &= 0xFFFFFFFFFFFFF000ULL;
2546 					} else if (flags & RADEON_VM_PAGE_VALID) {
2547 						value = addr;
2548 					} else {
2549 						value = 0;
2550 					}
2551 					addr += incr;
2552 					value |= r600_flags;
2553 					ib->ptr[ib->length_dw++] = value;
2554 					ib->ptr[ib->length_dw++] = upper_32_bits(value);
2555 				}
2556 			}
2557 			while (ib->length_dw & 0x7)
2558 				ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0);
2559 		} else {
2560 			while (count) {
2561 				ndw = count * 2;
2562 				if (ndw > 0xFFFFE)
2563 					ndw = 0xFFFFE;
2564 
2565 				if (flags & RADEON_VM_PAGE_VALID)
2566 					value = addr;
2567 				else
2568 					value = 0;
2569 				/* for physically contiguous pages (vram) */
2570 				ib->ptr[ib->length_dw++] = DMA_PTE_PDE_PACKET(ndw);
2571 				ib->ptr[ib->length_dw++] = pe; /* dst addr */
2572 				ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff;
2573 				ib->ptr[ib->length_dw++] = r600_flags; /* mask */
2574 				ib->ptr[ib->length_dw++] = 0;
2575 				ib->ptr[ib->length_dw++] = value; /* value */
2576 				ib->ptr[ib->length_dw++] = upper_32_bits(value);
2577 				ib->ptr[ib->length_dw++] = incr; /* increment size */
2578 				ib->ptr[ib->length_dw++] = 0;
2579 				pe += ndw * 4;
2580 				addr += (ndw / 2) * incr;
2581 				count -= ndw / 2;
2582 			}
2583 		}
2584 		while (ib->length_dw & 0x7)
2585 			ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0);
2586 	}
2587 }
2588 
2589 /**
2590  * cayman_vm_flush - vm flush using the CP
2591  *
2592  * @rdev: radeon_device pointer
2593  *
2594  * Update the page table base and flush the VM TLB
2595  * using the CP (cayman-si).
2596  */
2597 void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
2598 {
2599 	struct radeon_ring *ring = &rdev->ring[ridx];
2600 
2601 	if (vm == NULL)
2602 		return;
2603 
2604 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0));
2605 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
2606 
2607 	/* flush hdp cache */
2608 	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2609 	radeon_ring_write(ring, 0x1);
2610 
2611 	/* bits 0-7 are the VM contexts0-7 */
2612 	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2613 	radeon_ring_write(ring, 1 << vm->id);
2614 
2615 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2616 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2617 	radeon_ring_write(ring, 0x0);
2618 }
2619 
2620 void cayman_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
2621 {
2622 	struct radeon_ring *ring = &rdev->ring[ridx];
2623 
2624 	if (vm == NULL)
2625 		return;
2626 
2627 	radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0));
2628 	radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2));
2629 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
2630 
2631 	/* flush hdp cache */
2632 	radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0));
2633 	radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2));
2634 	radeon_ring_write(ring, 1);
2635 
2636 	/* bits 0-7 are the VM contexts0-7 */
2637 	radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0));
2638 	radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2));
2639 	radeon_ring_write(ring, 1 << vm->id);
2640 }
2641 
2642