xref: /openbmc/linux/drivers/gpu/drm/radeon/rv770.c (revision 4f6cce39)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #include <linux/firmware.h>
29 #include <linux/slab.h>
30 #include <drm/drmP.h>
31 #include "radeon.h"
32 #include "radeon_asic.h"
33 #include "radeon_audio.h"
34 #include <drm/radeon_drm.h>
35 #include "rv770d.h"
36 #include "atom.h"
37 #include "avivod.h"
38 
39 #define R700_PFP_UCODE_SIZE 848
40 #define R700_PM4_UCODE_SIZE 1360
41 
42 static void rv770_gpu_init(struct radeon_device *rdev);
43 void rv770_fini(struct radeon_device *rdev);
44 static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
45 int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk);
46 
47 int rv770_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
48 {
49 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
50 	int r;
51 
52 	/* RV740 uses evergreen uvd clk programming */
53 	if (rdev->family == CHIP_RV740)
54 		return evergreen_set_uvd_clocks(rdev, vclk, dclk);
55 
56 	/* bypass vclk and dclk with bclk */
57 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
58 		 VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
59 		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
60 
61 	if (!vclk || !dclk) {
62 		/* keep the Bypass mode, put PLL to sleep */
63 		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
64 		return 0;
65 	}
66 
67 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000,
68 					  43663, 0x03FFFFFE, 1, 30, ~0,
69 					  &fb_div, &vclk_div, &dclk_div);
70 	if (r)
71 		return r;
72 
73 	fb_div |= 1;
74 	vclk_div -= 1;
75 	dclk_div -= 1;
76 
77 	/* set UPLL_FB_DIV to 0x50000 */
78 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(0x50000), ~UPLL_FB_DIV_MASK);
79 
80 	/* deassert UPLL_RESET and UPLL_SLEEP */
81 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~(UPLL_RESET_MASK | UPLL_SLEEP_MASK));
82 
83 	/* assert BYPASS EN and FB_DIV[0] <- ??? why? */
84 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
85 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(1), ~UPLL_FB_DIV(1));
86 
87 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
88 	if (r)
89 		return r;
90 
91 	/* assert PLL_RESET */
92 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
93 
94 	/* set the required FB_DIV, REF_DIV, Post divder values */
95 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REF_DIV(1), ~UPLL_REF_DIV_MASK);
96 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
97 		 UPLL_SW_HILEN(vclk_div >> 1) |
98 		 UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) |
99 		 UPLL_SW_HILEN2(dclk_div >> 1) |
100 		 UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)),
101 		 ~UPLL_SW_MASK);
102 
103 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div),
104 		 ~UPLL_FB_DIV_MASK);
105 
106 	/* give the PLL some time to settle */
107 	mdelay(15);
108 
109 	/* deassert PLL_RESET */
110 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
111 
112 	mdelay(15);
113 
114 	/* deassert BYPASS EN and FB_DIV[0] <- ??? why? */
115 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
116 	WREG32_P(CG_UPLL_FUNC_CNTL_3, 0, ~UPLL_FB_DIV(1));
117 
118 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
119 	if (r)
120 		return r;
121 
122 	/* switch VCLK and DCLK selection */
123 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
124 		 VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
125 		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
126 
127 	mdelay(100);
128 
129 	return 0;
130 }
131 
132 static const u32 r7xx_golden_registers[] =
133 {
134 	0x8d00, 0xffffffff, 0x0e0e0074,
135 	0x8d04, 0xffffffff, 0x013a2b34,
136 	0x9508, 0xffffffff, 0x00000002,
137 	0x8b20, 0xffffffff, 0,
138 	0x88c4, 0xffffffff, 0x000000c2,
139 	0x28350, 0xffffffff, 0,
140 	0x9058, 0xffffffff, 0x0fffc40f,
141 	0x240c, 0xffffffff, 0x00000380,
142 	0x733c, 0xffffffff, 0x00000002,
143 	0x2650, 0x00040000, 0,
144 	0x20bc, 0x00040000, 0,
145 	0x7300, 0xffffffff, 0x001000f0
146 };
147 
148 static const u32 r7xx_golden_dyn_gpr_registers[] =
149 {
150 	0x8db0, 0xffffffff, 0x98989898,
151 	0x8db4, 0xffffffff, 0x98989898,
152 	0x8db8, 0xffffffff, 0x98989898,
153 	0x8dbc, 0xffffffff, 0x98989898,
154 	0x8dc0, 0xffffffff, 0x98989898,
155 	0x8dc4, 0xffffffff, 0x98989898,
156 	0x8dc8, 0xffffffff, 0x98989898,
157 	0x8dcc, 0xffffffff, 0x98989898,
158 	0x88c4, 0xffffffff, 0x00000082
159 };
160 
161 static const u32 rv770_golden_registers[] =
162 {
163 	0x562c, 0xffffffff, 0,
164 	0x3f90, 0xffffffff, 0,
165 	0x9148, 0xffffffff, 0,
166 	0x3f94, 0xffffffff, 0,
167 	0x914c, 0xffffffff, 0,
168 	0x9698, 0x18000000, 0x18000000
169 };
170 
171 static const u32 rv770ce_golden_registers[] =
172 {
173 	0x562c, 0xffffffff, 0,
174 	0x3f90, 0xffffffff, 0x00cc0000,
175 	0x9148, 0xffffffff, 0x00cc0000,
176 	0x3f94, 0xffffffff, 0x00cc0000,
177 	0x914c, 0xffffffff, 0x00cc0000,
178 	0x9b7c, 0xffffffff, 0x00fa0000,
179 	0x3f8c, 0xffffffff, 0x00fa0000,
180 	0x9698, 0x18000000, 0x18000000
181 };
182 
183 static const u32 rv770_mgcg_init[] =
184 {
185 	0x8bcc, 0xffffffff, 0x130300f9,
186 	0x5448, 0xffffffff, 0x100,
187 	0x55e4, 0xffffffff, 0x100,
188 	0x160c, 0xffffffff, 0x100,
189 	0x5644, 0xffffffff, 0x100,
190 	0xc164, 0xffffffff, 0x100,
191 	0x8a18, 0xffffffff, 0x100,
192 	0x897c, 0xffffffff, 0x8000100,
193 	0x8b28, 0xffffffff, 0x3c000100,
194 	0x9144, 0xffffffff, 0x100,
195 	0x9a1c, 0xffffffff, 0x10000,
196 	0x9a50, 0xffffffff, 0x100,
197 	0x9a1c, 0xffffffff, 0x10001,
198 	0x9a50, 0xffffffff, 0x100,
199 	0x9a1c, 0xffffffff, 0x10002,
200 	0x9a50, 0xffffffff, 0x100,
201 	0x9a1c, 0xffffffff, 0x10003,
202 	0x9a50, 0xffffffff, 0x100,
203 	0x9a1c, 0xffffffff, 0x0,
204 	0x9870, 0xffffffff, 0x100,
205 	0x8d58, 0xffffffff, 0x100,
206 	0x9500, 0xffffffff, 0x0,
207 	0x9510, 0xffffffff, 0x100,
208 	0x9500, 0xffffffff, 0x1,
209 	0x9510, 0xffffffff, 0x100,
210 	0x9500, 0xffffffff, 0x2,
211 	0x9510, 0xffffffff, 0x100,
212 	0x9500, 0xffffffff, 0x3,
213 	0x9510, 0xffffffff, 0x100,
214 	0x9500, 0xffffffff, 0x4,
215 	0x9510, 0xffffffff, 0x100,
216 	0x9500, 0xffffffff, 0x5,
217 	0x9510, 0xffffffff, 0x100,
218 	0x9500, 0xffffffff, 0x6,
219 	0x9510, 0xffffffff, 0x100,
220 	0x9500, 0xffffffff, 0x7,
221 	0x9510, 0xffffffff, 0x100,
222 	0x9500, 0xffffffff, 0x8,
223 	0x9510, 0xffffffff, 0x100,
224 	0x9500, 0xffffffff, 0x9,
225 	0x9510, 0xffffffff, 0x100,
226 	0x9500, 0xffffffff, 0x8000,
227 	0x9490, 0xffffffff, 0x0,
228 	0x949c, 0xffffffff, 0x100,
229 	0x9490, 0xffffffff, 0x1,
230 	0x949c, 0xffffffff, 0x100,
231 	0x9490, 0xffffffff, 0x2,
232 	0x949c, 0xffffffff, 0x100,
233 	0x9490, 0xffffffff, 0x3,
234 	0x949c, 0xffffffff, 0x100,
235 	0x9490, 0xffffffff, 0x4,
236 	0x949c, 0xffffffff, 0x100,
237 	0x9490, 0xffffffff, 0x5,
238 	0x949c, 0xffffffff, 0x100,
239 	0x9490, 0xffffffff, 0x6,
240 	0x949c, 0xffffffff, 0x100,
241 	0x9490, 0xffffffff, 0x7,
242 	0x949c, 0xffffffff, 0x100,
243 	0x9490, 0xffffffff, 0x8,
244 	0x949c, 0xffffffff, 0x100,
245 	0x9490, 0xffffffff, 0x9,
246 	0x949c, 0xffffffff, 0x100,
247 	0x9490, 0xffffffff, 0x8000,
248 	0x9604, 0xffffffff, 0x0,
249 	0x9654, 0xffffffff, 0x100,
250 	0x9604, 0xffffffff, 0x1,
251 	0x9654, 0xffffffff, 0x100,
252 	0x9604, 0xffffffff, 0x2,
253 	0x9654, 0xffffffff, 0x100,
254 	0x9604, 0xffffffff, 0x3,
255 	0x9654, 0xffffffff, 0x100,
256 	0x9604, 0xffffffff, 0x4,
257 	0x9654, 0xffffffff, 0x100,
258 	0x9604, 0xffffffff, 0x5,
259 	0x9654, 0xffffffff, 0x100,
260 	0x9604, 0xffffffff, 0x6,
261 	0x9654, 0xffffffff, 0x100,
262 	0x9604, 0xffffffff, 0x7,
263 	0x9654, 0xffffffff, 0x100,
264 	0x9604, 0xffffffff, 0x8,
265 	0x9654, 0xffffffff, 0x100,
266 	0x9604, 0xffffffff, 0x9,
267 	0x9654, 0xffffffff, 0x100,
268 	0x9604, 0xffffffff, 0x80000000,
269 	0x9030, 0xffffffff, 0x100,
270 	0x9034, 0xffffffff, 0x100,
271 	0x9038, 0xffffffff, 0x100,
272 	0x903c, 0xffffffff, 0x100,
273 	0x9040, 0xffffffff, 0x100,
274 	0xa200, 0xffffffff, 0x100,
275 	0xa204, 0xffffffff, 0x100,
276 	0xa208, 0xffffffff, 0x100,
277 	0xa20c, 0xffffffff, 0x100,
278 	0x971c, 0xffffffff, 0x100,
279 	0x915c, 0xffffffff, 0x00020001,
280 	0x9160, 0xffffffff, 0x00040003,
281 	0x916c, 0xffffffff, 0x00060005,
282 	0x9170, 0xffffffff, 0x00080007,
283 	0x9174, 0xffffffff, 0x000a0009,
284 	0x9178, 0xffffffff, 0x000c000b,
285 	0x917c, 0xffffffff, 0x000e000d,
286 	0x9180, 0xffffffff, 0x0010000f,
287 	0x918c, 0xffffffff, 0x00120011,
288 	0x9190, 0xffffffff, 0x00140013,
289 	0x9194, 0xffffffff, 0x00020001,
290 	0x9198, 0xffffffff, 0x00040003,
291 	0x919c, 0xffffffff, 0x00060005,
292 	0x91a8, 0xffffffff, 0x00080007,
293 	0x91ac, 0xffffffff, 0x000a0009,
294 	0x91b0, 0xffffffff, 0x000c000b,
295 	0x91b4, 0xffffffff, 0x000e000d,
296 	0x91b8, 0xffffffff, 0x0010000f,
297 	0x91c4, 0xffffffff, 0x00120011,
298 	0x91c8, 0xffffffff, 0x00140013,
299 	0x91cc, 0xffffffff, 0x00020001,
300 	0x91d0, 0xffffffff, 0x00040003,
301 	0x91d4, 0xffffffff, 0x00060005,
302 	0x91e0, 0xffffffff, 0x00080007,
303 	0x91e4, 0xffffffff, 0x000a0009,
304 	0x91e8, 0xffffffff, 0x000c000b,
305 	0x91ec, 0xffffffff, 0x00020001,
306 	0x91f0, 0xffffffff, 0x00040003,
307 	0x91f4, 0xffffffff, 0x00060005,
308 	0x9200, 0xffffffff, 0x00080007,
309 	0x9204, 0xffffffff, 0x000a0009,
310 	0x9208, 0xffffffff, 0x000c000b,
311 	0x920c, 0xffffffff, 0x000e000d,
312 	0x9210, 0xffffffff, 0x0010000f,
313 	0x921c, 0xffffffff, 0x00120011,
314 	0x9220, 0xffffffff, 0x00140013,
315 	0x9224, 0xffffffff, 0x00020001,
316 	0x9228, 0xffffffff, 0x00040003,
317 	0x922c, 0xffffffff, 0x00060005,
318 	0x9238, 0xffffffff, 0x00080007,
319 	0x923c, 0xffffffff, 0x000a0009,
320 	0x9240, 0xffffffff, 0x000c000b,
321 	0x9244, 0xffffffff, 0x000e000d,
322 	0x9248, 0xffffffff, 0x0010000f,
323 	0x9254, 0xffffffff, 0x00120011,
324 	0x9258, 0xffffffff, 0x00140013,
325 	0x925c, 0xffffffff, 0x00020001,
326 	0x9260, 0xffffffff, 0x00040003,
327 	0x9264, 0xffffffff, 0x00060005,
328 	0x9270, 0xffffffff, 0x00080007,
329 	0x9274, 0xffffffff, 0x000a0009,
330 	0x9278, 0xffffffff, 0x000c000b,
331 	0x927c, 0xffffffff, 0x000e000d,
332 	0x9280, 0xffffffff, 0x0010000f,
333 	0x928c, 0xffffffff, 0x00120011,
334 	0x9290, 0xffffffff, 0x00140013,
335 	0x9294, 0xffffffff, 0x00020001,
336 	0x929c, 0xffffffff, 0x00040003,
337 	0x92a0, 0xffffffff, 0x00060005,
338 	0x92a4, 0xffffffff, 0x00080007
339 };
340 
341 static const u32 rv710_golden_registers[] =
342 {
343 	0x3f90, 0x00ff0000, 0x00fc0000,
344 	0x9148, 0x00ff0000, 0x00fc0000,
345 	0x3f94, 0x00ff0000, 0x00fc0000,
346 	0x914c, 0x00ff0000, 0x00fc0000,
347 	0xb4c, 0x00000020, 0x00000020,
348 	0xa180, 0xffffffff, 0x00003f3f
349 };
350 
351 static const u32 rv710_mgcg_init[] =
352 {
353 	0x8bcc, 0xffffffff, 0x13030040,
354 	0x5448, 0xffffffff, 0x100,
355 	0x55e4, 0xffffffff, 0x100,
356 	0x160c, 0xffffffff, 0x100,
357 	0x5644, 0xffffffff, 0x100,
358 	0xc164, 0xffffffff, 0x100,
359 	0x8a18, 0xffffffff, 0x100,
360 	0x897c, 0xffffffff, 0x8000100,
361 	0x8b28, 0xffffffff, 0x3c000100,
362 	0x9144, 0xffffffff, 0x100,
363 	0x9a1c, 0xffffffff, 0x10000,
364 	0x9a50, 0xffffffff, 0x100,
365 	0x9a1c, 0xffffffff, 0x0,
366 	0x9870, 0xffffffff, 0x100,
367 	0x8d58, 0xffffffff, 0x100,
368 	0x9500, 0xffffffff, 0x0,
369 	0x9510, 0xffffffff, 0x100,
370 	0x9500, 0xffffffff, 0x1,
371 	0x9510, 0xffffffff, 0x100,
372 	0x9500, 0xffffffff, 0x8000,
373 	0x9490, 0xffffffff, 0x0,
374 	0x949c, 0xffffffff, 0x100,
375 	0x9490, 0xffffffff, 0x1,
376 	0x949c, 0xffffffff, 0x100,
377 	0x9490, 0xffffffff, 0x8000,
378 	0x9604, 0xffffffff, 0x0,
379 	0x9654, 0xffffffff, 0x100,
380 	0x9604, 0xffffffff, 0x1,
381 	0x9654, 0xffffffff, 0x100,
382 	0x9604, 0xffffffff, 0x80000000,
383 	0x9030, 0xffffffff, 0x100,
384 	0x9034, 0xffffffff, 0x100,
385 	0x9038, 0xffffffff, 0x100,
386 	0x903c, 0xffffffff, 0x100,
387 	0x9040, 0xffffffff, 0x100,
388 	0xa200, 0xffffffff, 0x100,
389 	0xa204, 0xffffffff, 0x100,
390 	0xa208, 0xffffffff, 0x100,
391 	0xa20c, 0xffffffff, 0x100,
392 	0x971c, 0xffffffff, 0x100,
393 	0x915c, 0xffffffff, 0x00020001,
394 	0x9174, 0xffffffff, 0x00000003,
395 	0x9178, 0xffffffff, 0x00050001,
396 	0x917c, 0xffffffff, 0x00030002,
397 	0x918c, 0xffffffff, 0x00000004,
398 	0x9190, 0xffffffff, 0x00070006,
399 	0x9194, 0xffffffff, 0x00050001,
400 	0x9198, 0xffffffff, 0x00030002,
401 	0x91a8, 0xffffffff, 0x00000004,
402 	0x91ac, 0xffffffff, 0x00070006,
403 	0x91e8, 0xffffffff, 0x00000001,
404 	0x9294, 0xffffffff, 0x00000001,
405 	0x929c, 0xffffffff, 0x00000002,
406 	0x92a0, 0xffffffff, 0x00040003,
407 	0x9150, 0xffffffff, 0x4d940000
408 };
409 
410 static const u32 rv730_golden_registers[] =
411 {
412 	0x3f90, 0x00ff0000, 0x00f00000,
413 	0x9148, 0x00ff0000, 0x00f00000,
414 	0x3f94, 0x00ff0000, 0x00f00000,
415 	0x914c, 0x00ff0000, 0x00f00000,
416 	0x900c, 0xffffffff, 0x003b033f,
417 	0xb4c, 0x00000020, 0x00000020,
418 	0xa180, 0xffffffff, 0x00003f3f
419 };
420 
421 static const u32 rv730_mgcg_init[] =
422 {
423 	0x8bcc, 0xffffffff, 0x130300f9,
424 	0x5448, 0xffffffff, 0x100,
425 	0x55e4, 0xffffffff, 0x100,
426 	0x160c, 0xffffffff, 0x100,
427 	0x5644, 0xffffffff, 0x100,
428 	0xc164, 0xffffffff, 0x100,
429 	0x8a18, 0xffffffff, 0x100,
430 	0x897c, 0xffffffff, 0x8000100,
431 	0x8b28, 0xffffffff, 0x3c000100,
432 	0x9144, 0xffffffff, 0x100,
433 	0x9a1c, 0xffffffff, 0x10000,
434 	0x9a50, 0xffffffff, 0x100,
435 	0x9a1c, 0xffffffff, 0x10001,
436 	0x9a50, 0xffffffff, 0x100,
437 	0x9a1c, 0xffffffff, 0x0,
438 	0x9870, 0xffffffff, 0x100,
439 	0x8d58, 0xffffffff, 0x100,
440 	0x9500, 0xffffffff, 0x0,
441 	0x9510, 0xffffffff, 0x100,
442 	0x9500, 0xffffffff, 0x1,
443 	0x9510, 0xffffffff, 0x100,
444 	0x9500, 0xffffffff, 0x2,
445 	0x9510, 0xffffffff, 0x100,
446 	0x9500, 0xffffffff, 0x3,
447 	0x9510, 0xffffffff, 0x100,
448 	0x9500, 0xffffffff, 0x4,
449 	0x9510, 0xffffffff, 0x100,
450 	0x9500, 0xffffffff, 0x5,
451 	0x9510, 0xffffffff, 0x100,
452 	0x9500, 0xffffffff, 0x6,
453 	0x9510, 0xffffffff, 0x100,
454 	0x9500, 0xffffffff, 0x7,
455 	0x9510, 0xffffffff, 0x100,
456 	0x9500, 0xffffffff, 0x8000,
457 	0x9490, 0xffffffff, 0x0,
458 	0x949c, 0xffffffff, 0x100,
459 	0x9490, 0xffffffff, 0x1,
460 	0x949c, 0xffffffff, 0x100,
461 	0x9490, 0xffffffff, 0x2,
462 	0x949c, 0xffffffff, 0x100,
463 	0x9490, 0xffffffff, 0x3,
464 	0x949c, 0xffffffff, 0x100,
465 	0x9490, 0xffffffff, 0x4,
466 	0x949c, 0xffffffff, 0x100,
467 	0x9490, 0xffffffff, 0x5,
468 	0x949c, 0xffffffff, 0x100,
469 	0x9490, 0xffffffff, 0x6,
470 	0x949c, 0xffffffff, 0x100,
471 	0x9490, 0xffffffff, 0x7,
472 	0x949c, 0xffffffff, 0x100,
473 	0x9490, 0xffffffff, 0x8000,
474 	0x9604, 0xffffffff, 0x0,
475 	0x9654, 0xffffffff, 0x100,
476 	0x9604, 0xffffffff, 0x1,
477 	0x9654, 0xffffffff, 0x100,
478 	0x9604, 0xffffffff, 0x2,
479 	0x9654, 0xffffffff, 0x100,
480 	0x9604, 0xffffffff, 0x3,
481 	0x9654, 0xffffffff, 0x100,
482 	0x9604, 0xffffffff, 0x4,
483 	0x9654, 0xffffffff, 0x100,
484 	0x9604, 0xffffffff, 0x5,
485 	0x9654, 0xffffffff, 0x100,
486 	0x9604, 0xffffffff, 0x6,
487 	0x9654, 0xffffffff, 0x100,
488 	0x9604, 0xffffffff, 0x7,
489 	0x9654, 0xffffffff, 0x100,
490 	0x9604, 0xffffffff, 0x80000000,
491 	0x9030, 0xffffffff, 0x100,
492 	0x9034, 0xffffffff, 0x100,
493 	0x9038, 0xffffffff, 0x100,
494 	0x903c, 0xffffffff, 0x100,
495 	0x9040, 0xffffffff, 0x100,
496 	0xa200, 0xffffffff, 0x100,
497 	0xa204, 0xffffffff, 0x100,
498 	0xa208, 0xffffffff, 0x100,
499 	0xa20c, 0xffffffff, 0x100,
500 	0x971c, 0xffffffff, 0x100,
501 	0x915c, 0xffffffff, 0x00020001,
502 	0x916c, 0xffffffff, 0x00040003,
503 	0x9170, 0xffffffff, 0x00000005,
504 	0x9178, 0xffffffff, 0x00050001,
505 	0x917c, 0xffffffff, 0x00030002,
506 	0x918c, 0xffffffff, 0x00000004,
507 	0x9190, 0xffffffff, 0x00070006,
508 	0x9194, 0xffffffff, 0x00050001,
509 	0x9198, 0xffffffff, 0x00030002,
510 	0x91a8, 0xffffffff, 0x00000004,
511 	0x91ac, 0xffffffff, 0x00070006,
512 	0x91b0, 0xffffffff, 0x00050001,
513 	0x91b4, 0xffffffff, 0x00030002,
514 	0x91c4, 0xffffffff, 0x00000004,
515 	0x91c8, 0xffffffff, 0x00070006,
516 	0x91cc, 0xffffffff, 0x00050001,
517 	0x91d0, 0xffffffff, 0x00030002,
518 	0x91e0, 0xffffffff, 0x00000004,
519 	0x91e4, 0xffffffff, 0x00070006,
520 	0x91e8, 0xffffffff, 0x00000001,
521 	0x91ec, 0xffffffff, 0x00050001,
522 	0x91f0, 0xffffffff, 0x00030002,
523 	0x9200, 0xffffffff, 0x00000004,
524 	0x9204, 0xffffffff, 0x00070006,
525 	0x9208, 0xffffffff, 0x00050001,
526 	0x920c, 0xffffffff, 0x00030002,
527 	0x921c, 0xffffffff, 0x00000004,
528 	0x9220, 0xffffffff, 0x00070006,
529 	0x9224, 0xffffffff, 0x00050001,
530 	0x9228, 0xffffffff, 0x00030002,
531 	0x9238, 0xffffffff, 0x00000004,
532 	0x923c, 0xffffffff, 0x00070006,
533 	0x9240, 0xffffffff, 0x00050001,
534 	0x9244, 0xffffffff, 0x00030002,
535 	0x9254, 0xffffffff, 0x00000004,
536 	0x9258, 0xffffffff, 0x00070006,
537 	0x9294, 0xffffffff, 0x00000001,
538 	0x929c, 0xffffffff, 0x00000002,
539 	0x92a0, 0xffffffff, 0x00040003,
540 	0x92a4, 0xffffffff, 0x00000005
541 };
542 
543 static const u32 rv740_golden_registers[] =
544 {
545 	0x88c4, 0xffffffff, 0x00000082,
546 	0x28a50, 0xfffffffc, 0x00000004,
547 	0x2650, 0x00040000, 0,
548 	0x20bc, 0x00040000, 0,
549 	0x733c, 0xffffffff, 0x00000002,
550 	0x7300, 0xffffffff, 0x001000f0,
551 	0x3f90, 0x00ff0000, 0,
552 	0x9148, 0x00ff0000, 0,
553 	0x3f94, 0x00ff0000, 0,
554 	0x914c, 0x00ff0000, 0,
555 	0x240c, 0xffffffff, 0x00000380,
556 	0x8a14, 0x00000007, 0x00000007,
557 	0x8b24, 0xffffffff, 0x00ff0fff,
558 	0x28a4c, 0xffffffff, 0x00004000,
559 	0xa180, 0xffffffff, 0x00003f3f,
560 	0x8d00, 0xffffffff, 0x0e0e003a,
561 	0x8d04, 0xffffffff, 0x013a0e2a,
562 	0x8c00, 0xffffffff, 0xe400000f,
563 	0x8db0, 0xffffffff, 0x98989898,
564 	0x8db4, 0xffffffff, 0x98989898,
565 	0x8db8, 0xffffffff, 0x98989898,
566 	0x8dbc, 0xffffffff, 0x98989898,
567 	0x8dc0, 0xffffffff, 0x98989898,
568 	0x8dc4, 0xffffffff, 0x98989898,
569 	0x8dc8, 0xffffffff, 0x98989898,
570 	0x8dcc, 0xffffffff, 0x98989898,
571 	0x9058, 0xffffffff, 0x0fffc40f,
572 	0x900c, 0xffffffff, 0x003b033f,
573 	0x28350, 0xffffffff, 0,
574 	0x8cf0, 0x1fffffff, 0x08e00420,
575 	0x9508, 0xffffffff, 0x00000002,
576 	0x88c4, 0xffffffff, 0x000000c2,
577 	0x9698, 0x18000000, 0x18000000
578 };
579 
580 static const u32 rv740_mgcg_init[] =
581 {
582 	0x8bcc, 0xffffffff, 0x13030100,
583 	0x5448, 0xffffffff, 0x100,
584 	0x55e4, 0xffffffff, 0x100,
585 	0x160c, 0xffffffff, 0x100,
586 	0x5644, 0xffffffff, 0x100,
587 	0xc164, 0xffffffff, 0x100,
588 	0x8a18, 0xffffffff, 0x100,
589 	0x897c, 0xffffffff, 0x100,
590 	0x8b28, 0xffffffff, 0x100,
591 	0x9144, 0xffffffff, 0x100,
592 	0x9a1c, 0xffffffff, 0x10000,
593 	0x9a50, 0xffffffff, 0x100,
594 	0x9a1c, 0xffffffff, 0x10001,
595 	0x9a50, 0xffffffff, 0x100,
596 	0x9a1c, 0xffffffff, 0x10002,
597 	0x9a50, 0xffffffff, 0x100,
598 	0x9a1c, 0xffffffff, 0x10003,
599 	0x9a50, 0xffffffff, 0x100,
600 	0x9a1c, 0xffffffff, 0x0,
601 	0x9870, 0xffffffff, 0x100,
602 	0x8d58, 0xffffffff, 0x100,
603 	0x9500, 0xffffffff, 0x0,
604 	0x9510, 0xffffffff, 0x100,
605 	0x9500, 0xffffffff, 0x1,
606 	0x9510, 0xffffffff, 0x100,
607 	0x9500, 0xffffffff, 0x2,
608 	0x9510, 0xffffffff, 0x100,
609 	0x9500, 0xffffffff, 0x3,
610 	0x9510, 0xffffffff, 0x100,
611 	0x9500, 0xffffffff, 0x4,
612 	0x9510, 0xffffffff, 0x100,
613 	0x9500, 0xffffffff, 0x5,
614 	0x9510, 0xffffffff, 0x100,
615 	0x9500, 0xffffffff, 0x6,
616 	0x9510, 0xffffffff, 0x100,
617 	0x9500, 0xffffffff, 0x7,
618 	0x9510, 0xffffffff, 0x100,
619 	0x9500, 0xffffffff, 0x8000,
620 	0x9490, 0xffffffff, 0x0,
621 	0x949c, 0xffffffff, 0x100,
622 	0x9490, 0xffffffff, 0x1,
623 	0x949c, 0xffffffff, 0x100,
624 	0x9490, 0xffffffff, 0x2,
625 	0x949c, 0xffffffff, 0x100,
626 	0x9490, 0xffffffff, 0x3,
627 	0x949c, 0xffffffff, 0x100,
628 	0x9490, 0xffffffff, 0x4,
629 	0x949c, 0xffffffff, 0x100,
630 	0x9490, 0xffffffff, 0x5,
631 	0x949c, 0xffffffff, 0x100,
632 	0x9490, 0xffffffff, 0x6,
633 	0x949c, 0xffffffff, 0x100,
634 	0x9490, 0xffffffff, 0x7,
635 	0x949c, 0xffffffff, 0x100,
636 	0x9490, 0xffffffff, 0x8000,
637 	0x9604, 0xffffffff, 0x0,
638 	0x9654, 0xffffffff, 0x100,
639 	0x9604, 0xffffffff, 0x1,
640 	0x9654, 0xffffffff, 0x100,
641 	0x9604, 0xffffffff, 0x2,
642 	0x9654, 0xffffffff, 0x100,
643 	0x9604, 0xffffffff, 0x3,
644 	0x9654, 0xffffffff, 0x100,
645 	0x9604, 0xffffffff, 0x4,
646 	0x9654, 0xffffffff, 0x100,
647 	0x9604, 0xffffffff, 0x5,
648 	0x9654, 0xffffffff, 0x100,
649 	0x9604, 0xffffffff, 0x6,
650 	0x9654, 0xffffffff, 0x100,
651 	0x9604, 0xffffffff, 0x7,
652 	0x9654, 0xffffffff, 0x100,
653 	0x9604, 0xffffffff, 0x80000000,
654 	0x9030, 0xffffffff, 0x100,
655 	0x9034, 0xffffffff, 0x100,
656 	0x9038, 0xffffffff, 0x100,
657 	0x903c, 0xffffffff, 0x100,
658 	0x9040, 0xffffffff, 0x100,
659 	0xa200, 0xffffffff, 0x100,
660 	0xa204, 0xffffffff, 0x100,
661 	0xa208, 0xffffffff, 0x100,
662 	0xa20c, 0xffffffff, 0x100,
663 	0x971c, 0xffffffff, 0x100,
664 	0x915c, 0xffffffff, 0x00020001,
665 	0x9160, 0xffffffff, 0x00040003,
666 	0x916c, 0xffffffff, 0x00060005,
667 	0x9170, 0xffffffff, 0x00080007,
668 	0x9174, 0xffffffff, 0x000a0009,
669 	0x9178, 0xffffffff, 0x000c000b,
670 	0x917c, 0xffffffff, 0x000e000d,
671 	0x9180, 0xffffffff, 0x0010000f,
672 	0x918c, 0xffffffff, 0x00120011,
673 	0x9190, 0xffffffff, 0x00140013,
674 	0x9194, 0xffffffff, 0x00020001,
675 	0x9198, 0xffffffff, 0x00040003,
676 	0x919c, 0xffffffff, 0x00060005,
677 	0x91a8, 0xffffffff, 0x00080007,
678 	0x91ac, 0xffffffff, 0x000a0009,
679 	0x91b0, 0xffffffff, 0x000c000b,
680 	0x91b4, 0xffffffff, 0x000e000d,
681 	0x91b8, 0xffffffff, 0x0010000f,
682 	0x91c4, 0xffffffff, 0x00120011,
683 	0x91c8, 0xffffffff, 0x00140013,
684 	0x91cc, 0xffffffff, 0x00020001,
685 	0x91d0, 0xffffffff, 0x00040003,
686 	0x91d4, 0xffffffff, 0x00060005,
687 	0x91e0, 0xffffffff, 0x00080007,
688 	0x91e4, 0xffffffff, 0x000a0009,
689 	0x91e8, 0xffffffff, 0x000c000b,
690 	0x91ec, 0xffffffff, 0x00020001,
691 	0x91f0, 0xffffffff, 0x00040003,
692 	0x91f4, 0xffffffff, 0x00060005,
693 	0x9200, 0xffffffff, 0x00080007,
694 	0x9204, 0xffffffff, 0x000a0009,
695 	0x9208, 0xffffffff, 0x000c000b,
696 	0x920c, 0xffffffff, 0x000e000d,
697 	0x9210, 0xffffffff, 0x0010000f,
698 	0x921c, 0xffffffff, 0x00120011,
699 	0x9220, 0xffffffff, 0x00140013,
700 	0x9224, 0xffffffff, 0x00020001,
701 	0x9228, 0xffffffff, 0x00040003,
702 	0x922c, 0xffffffff, 0x00060005,
703 	0x9238, 0xffffffff, 0x00080007,
704 	0x923c, 0xffffffff, 0x000a0009,
705 	0x9240, 0xffffffff, 0x000c000b,
706 	0x9244, 0xffffffff, 0x000e000d,
707 	0x9248, 0xffffffff, 0x0010000f,
708 	0x9254, 0xffffffff, 0x00120011,
709 	0x9258, 0xffffffff, 0x00140013,
710 	0x9294, 0xffffffff, 0x00020001,
711 	0x929c, 0xffffffff, 0x00040003,
712 	0x92a0, 0xffffffff, 0x00060005,
713 	0x92a4, 0xffffffff, 0x00080007
714 };
715 
716 static void rv770_init_golden_registers(struct radeon_device *rdev)
717 {
718 	switch (rdev->family) {
719 	case CHIP_RV770:
720 		radeon_program_register_sequence(rdev,
721 						 r7xx_golden_registers,
722 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
723 		radeon_program_register_sequence(rdev,
724 						 r7xx_golden_dyn_gpr_registers,
725 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
726 		if (rdev->pdev->device == 0x994e)
727 			radeon_program_register_sequence(rdev,
728 							 rv770ce_golden_registers,
729 							 (const u32)ARRAY_SIZE(rv770ce_golden_registers));
730 		else
731 			radeon_program_register_sequence(rdev,
732 							 rv770_golden_registers,
733 							 (const u32)ARRAY_SIZE(rv770_golden_registers));
734 		radeon_program_register_sequence(rdev,
735 						 rv770_mgcg_init,
736 						 (const u32)ARRAY_SIZE(rv770_mgcg_init));
737 		break;
738 	case CHIP_RV730:
739 		radeon_program_register_sequence(rdev,
740 						 r7xx_golden_registers,
741 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
742 		radeon_program_register_sequence(rdev,
743 						 r7xx_golden_dyn_gpr_registers,
744 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
745 		radeon_program_register_sequence(rdev,
746 						 rv730_golden_registers,
747 						 (const u32)ARRAY_SIZE(rv730_golden_registers));
748 		radeon_program_register_sequence(rdev,
749 						 rv730_mgcg_init,
750 						 (const u32)ARRAY_SIZE(rv730_mgcg_init));
751 		break;
752 	case CHIP_RV710:
753 		radeon_program_register_sequence(rdev,
754 						 r7xx_golden_registers,
755 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
756 		radeon_program_register_sequence(rdev,
757 						 r7xx_golden_dyn_gpr_registers,
758 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
759 		radeon_program_register_sequence(rdev,
760 						 rv710_golden_registers,
761 						 (const u32)ARRAY_SIZE(rv710_golden_registers));
762 		radeon_program_register_sequence(rdev,
763 						 rv710_mgcg_init,
764 						 (const u32)ARRAY_SIZE(rv710_mgcg_init));
765 		break;
766 	case CHIP_RV740:
767 		radeon_program_register_sequence(rdev,
768 						 rv740_golden_registers,
769 						 (const u32)ARRAY_SIZE(rv740_golden_registers));
770 		radeon_program_register_sequence(rdev,
771 						 rv740_mgcg_init,
772 						 (const u32)ARRAY_SIZE(rv740_mgcg_init));
773 		break;
774 	default:
775 		break;
776 	}
777 }
778 
779 #define PCIE_BUS_CLK                10000
780 #define TCLK                        (PCIE_BUS_CLK / 10)
781 
782 /**
783  * rv770_get_xclk - get the xclk
784  *
785  * @rdev: radeon_device pointer
786  *
787  * Returns the reference clock used by the gfx engine
788  * (r7xx-cayman).
789  */
790 u32 rv770_get_xclk(struct radeon_device *rdev)
791 {
792 	u32 reference_clock = rdev->clock.spll.reference_freq;
793 	u32 tmp = RREG32(CG_CLKPIN_CNTL);
794 
795 	if (tmp & MUX_TCLK_TO_XCLK)
796 		return TCLK;
797 
798 	if (tmp & XTALIN_DIVIDE)
799 		return reference_clock / 4;
800 
801 	return reference_clock;
802 }
803 
804 void rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
805 {
806 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
807 	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
808 	int i;
809 
810 	/* Lock the graphics update lock */
811 	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
812 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
813 
814 	/* update the scanout addresses */
815 	WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
816 	       async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
817 	if (radeon_crtc->crtc_id) {
818 		WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
819 		WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
820 	} else {
821 		WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
822 		WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
823 	}
824 	WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
825 	       (u32)crtc_base);
826 	WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
827 	       (u32)crtc_base);
828 
829 	/* Wait for update_pending to go high. */
830 	for (i = 0; i < rdev->usec_timeout; i++) {
831 		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
832 			break;
833 		udelay(1);
834 	}
835 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
836 
837 	/* Unlock the lock, so double-buffering can take place inside vblank */
838 	tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
839 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
840 }
841 
842 bool rv770_page_flip_pending(struct radeon_device *rdev, int crtc_id)
843 {
844 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
845 
846 	/* Return current update_pending status: */
847 	return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) &
848 		AVIVO_D1GRPH_SURFACE_UPDATE_PENDING);
849 }
850 
851 /* get temperature in millidegrees */
852 int rv770_get_temp(struct radeon_device *rdev)
853 {
854 	u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
855 		ASIC_T_SHIFT;
856 	int actual_temp;
857 
858 	if (temp & 0x400)
859 		actual_temp = -256;
860 	else if (temp & 0x200)
861 		actual_temp = 255;
862 	else if (temp & 0x100) {
863 		actual_temp = temp & 0x1ff;
864 		actual_temp |= ~0x1ff;
865 	} else
866 		actual_temp = temp & 0xff;
867 
868 	return (actual_temp * 1000) / 2;
869 }
870 
871 void rv770_pm_misc(struct radeon_device *rdev)
872 {
873 	int req_ps_idx = rdev->pm.requested_power_state_index;
874 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
875 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
876 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
877 
878 	if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
879 		/* 0xff01 is a flag rather then an actual voltage */
880 		if (voltage->voltage == 0xff01)
881 			return;
882 		if (voltage->voltage != rdev->pm.current_vddc) {
883 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
884 			rdev->pm.current_vddc = voltage->voltage;
885 			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
886 		}
887 	}
888 }
889 
890 /*
891  * GART
892  */
893 static int rv770_pcie_gart_enable(struct radeon_device *rdev)
894 {
895 	u32 tmp;
896 	int r, i;
897 
898 	if (rdev->gart.robj == NULL) {
899 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
900 		return -EINVAL;
901 	}
902 	r = radeon_gart_table_vram_pin(rdev);
903 	if (r)
904 		return r;
905 	/* Setup L2 cache */
906 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
907 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
908 				EFFECTIVE_L2_QUEUE_SIZE(7));
909 	WREG32(VM_L2_CNTL2, 0);
910 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
911 	/* Setup TLB control */
912 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
913 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
914 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
915 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
916 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
917 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
918 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
919 	if (rdev->family == CHIP_RV740)
920 		WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
921 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
922 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
923 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
924 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
925 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
926 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
927 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
928 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
929 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
930 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
931 			(u32)(rdev->dummy_page.addr >> 12));
932 	for (i = 1; i < 7; i++)
933 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
934 
935 	r600_pcie_gart_tlb_flush(rdev);
936 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
937 		 (unsigned)(rdev->mc.gtt_size >> 20),
938 		 (unsigned long long)rdev->gart.table_addr);
939 	rdev->gart.ready = true;
940 	return 0;
941 }
942 
943 static void rv770_pcie_gart_disable(struct radeon_device *rdev)
944 {
945 	u32 tmp;
946 	int i;
947 
948 	/* Disable all tables */
949 	for (i = 0; i < 7; i++)
950 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
951 
952 	/* Setup L2 cache */
953 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
954 				EFFECTIVE_L2_QUEUE_SIZE(7));
955 	WREG32(VM_L2_CNTL2, 0);
956 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
957 	/* Setup TLB control */
958 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
959 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
960 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
961 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
962 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
963 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
964 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
965 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
966 	radeon_gart_table_vram_unpin(rdev);
967 }
968 
969 static void rv770_pcie_gart_fini(struct radeon_device *rdev)
970 {
971 	radeon_gart_fini(rdev);
972 	rv770_pcie_gart_disable(rdev);
973 	radeon_gart_table_vram_free(rdev);
974 }
975 
976 
977 static void rv770_agp_enable(struct radeon_device *rdev)
978 {
979 	u32 tmp;
980 	int i;
981 
982 	/* Setup L2 cache */
983 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
984 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
985 				EFFECTIVE_L2_QUEUE_SIZE(7));
986 	WREG32(VM_L2_CNTL2, 0);
987 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
988 	/* Setup TLB control */
989 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
990 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
991 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
992 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
993 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
994 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
995 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
996 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
997 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
998 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
999 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1000 	for (i = 0; i < 7; i++)
1001 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1002 }
1003 
1004 static void rv770_mc_program(struct radeon_device *rdev)
1005 {
1006 	struct rv515_mc_save save;
1007 	u32 tmp;
1008 	int i, j;
1009 
1010 	/* Initialize HDP */
1011 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1012 		WREG32((0x2c14 + j), 0x00000000);
1013 		WREG32((0x2c18 + j), 0x00000000);
1014 		WREG32((0x2c1c + j), 0x00000000);
1015 		WREG32((0x2c20 + j), 0x00000000);
1016 		WREG32((0x2c24 + j), 0x00000000);
1017 	}
1018 	/* r7xx hw bug.  Read from HDP_DEBUG1 rather
1019 	 * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
1020 	 */
1021 	tmp = RREG32(HDP_DEBUG1);
1022 
1023 	rv515_mc_stop(rdev, &save);
1024 	if (r600_mc_wait_for_idle(rdev)) {
1025 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1026 	}
1027 	/* Lockout access through VGA aperture*/
1028 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1029 	/* Update configuration */
1030 	if (rdev->flags & RADEON_IS_AGP) {
1031 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1032 			/* VRAM before AGP */
1033 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1034 				rdev->mc.vram_start >> 12);
1035 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1036 				rdev->mc.gtt_end >> 12);
1037 		} else {
1038 			/* VRAM after AGP */
1039 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1040 				rdev->mc.gtt_start >> 12);
1041 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1042 				rdev->mc.vram_end >> 12);
1043 		}
1044 	} else {
1045 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1046 			rdev->mc.vram_start >> 12);
1047 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1048 			rdev->mc.vram_end >> 12);
1049 	}
1050 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1051 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1052 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1053 	WREG32(MC_VM_FB_LOCATION, tmp);
1054 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1055 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1056 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1057 	if (rdev->flags & RADEON_IS_AGP) {
1058 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1059 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1060 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1061 	} else {
1062 		WREG32(MC_VM_AGP_BASE, 0);
1063 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1064 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1065 	}
1066 	if (r600_mc_wait_for_idle(rdev)) {
1067 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1068 	}
1069 	rv515_mc_resume(rdev, &save);
1070 	/* we need to own VRAM, so turn off the VGA renderer here
1071 	 * to stop it overwriting our objects */
1072 	rv515_vga_render_disable(rdev);
1073 }
1074 
1075 
1076 /*
1077  * CP.
1078  */
1079 void r700_cp_stop(struct radeon_device *rdev)
1080 {
1081 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1082 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1083 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1084 	WREG32(SCRATCH_UMSK, 0);
1085 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1086 }
1087 
1088 static int rv770_cp_load_microcode(struct radeon_device *rdev)
1089 {
1090 	const __be32 *fw_data;
1091 	int i;
1092 
1093 	if (!rdev->me_fw || !rdev->pfp_fw)
1094 		return -EINVAL;
1095 
1096 	r700_cp_stop(rdev);
1097 	WREG32(CP_RB_CNTL,
1098 #ifdef __BIG_ENDIAN
1099 	       BUF_SWAP_32BIT |
1100 #endif
1101 	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1102 
1103 	/* Reset cp */
1104 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
1105 	RREG32(GRBM_SOFT_RESET);
1106 	mdelay(15);
1107 	WREG32(GRBM_SOFT_RESET, 0);
1108 
1109 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1110 	WREG32(CP_PFP_UCODE_ADDR, 0);
1111 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
1112 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1113 	WREG32(CP_PFP_UCODE_ADDR, 0);
1114 
1115 	fw_data = (const __be32 *)rdev->me_fw->data;
1116 	WREG32(CP_ME_RAM_WADDR, 0);
1117 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
1118 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1119 
1120 	WREG32(CP_PFP_UCODE_ADDR, 0);
1121 	WREG32(CP_ME_RAM_WADDR, 0);
1122 	WREG32(CP_ME_RAM_RADDR, 0);
1123 	return 0;
1124 }
1125 
1126 void r700_cp_fini(struct radeon_device *rdev)
1127 {
1128 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1129 	r700_cp_stop(rdev);
1130 	radeon_ring_fini(rdev, ring);
1131 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1132 }
1133 
1134 void rv770_set_clk_bypass_mode(struct radeon_device *rdev)
1135 {
1136 	u32 tmp, i;
1137 
1138 	if (rdev->flags & RADEON_IS_IGP)
1139 		return;
1140 
1141 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
1142 	tmp &= SCLK_MUX_SEL_MASK;
1143 	tmp |= SCLK_MUX_SEL(1) | SCLK_MUX_UPDATE;
1144 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1145 
1146 	for (i = 0; i < rdev->usec_timeout; i++) {
1147 		if (RREG32(CG_SPLL_STATUS) & SPLL_CHG_STATUS)
1148 			break;
1149 		udelay(1);
1150 	}
1151 
1152 	tmp &= ~SCLK_MUX_UPDATE;
1153 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1154 
1155 	tmp = RREG32(MPLL_CNTL_MODE);
1156 	if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730))
1157 		tmp &= ~RV730_MPLL_MCLK_SEL;
1158 	else
1159 		tmp &= ~MPLL_MCLK_SEL;
1160 	WREG32(MPLL_CNTL_MODE, tmp);
1161 }
1162 
1163 /*
1164  * Core functions
1165  */
1166 static void rv770_gpu_init(struct radeon_device *rdev)
1167 {
1168 	int i, j, num_qd_pipes;
1169 	u32 ta_aux_cntl;
1170 	u32 sx_debug_1;
1171 	u32 smx_dc_ctl0;
1172 	u32 db_debug3;
1173 	u32 num_gs_verts_per_thread;
1174 	u32 vgt_gs_per_es;
1175 	u32 gs_prim_buffer_depth = 0;
1176 	u32 sq_ms_fifo_sizes;
1177 	u32 sq_config;
1178 	u32 sq_thread_resource_mgmt;
1179 	u32 hdp_host_path_cntl;
1180 	u32 sq_dyn_gpr_size_simd_ab_0;
1181 	u32 gb_tiling_config = 0;
1182 	u32 cc_gc_shader_pipe_config = 0;
1183 	u32 mc_arb_ramcfg;
1184 	u32 db_debug4, tmp;
1185 	u32 inactive_pipes, shader_pipe_config;
1186 	u32 disabled_rb_mask;
1187 	unsigned active_number;
1188 
1189 	/* setup chip specs */
1190 	rdev->config.rv770.tiling_group_size = 256;
1191 	switch (rdev->family) {
1192 	case CHIP_RV770:
1193 		rdev->config.rv770.max_pipes = 4;
1194 		rdev->config.rv770.max_tile_pipes = 8;
1195 		rdev->config.rv770.max_simds = 10;
1196 		rdev->config.rv770.max_backends = 4;
1197 		rdev->config.rv770.max_gprs = 256;
1198 		rdev->config.rv770.max_threads = 248;
1199 		rdev->config.rv770.max_stack_entries = 512;
1200 		rdev->config.rv770.max_hw_contexts = 8;
1201 		rdev->config.rv770.max_gs_threads = 16 * 2;
1202 		rdev->config.rv770.sx_max_export_size = 128;
1203 		rdev->config.rv770.sx_max_export_pos_size = 16;
1204 		rdev->config.rv770.sx_max_export_smx_size = 112;
1205 		rdev->config.rv770.sq_num_cf_insts = 2;
1206 
1207 		rdev->config.rv770.sx_num_of_sets = 7;
1208 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
1209 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1210 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1211 		break;
1212 	case CHIP_RV730:
1213 		rdev->config.rv770.max_pipes = 2;
1214 		rdev->config.rv770.max_tile_pipes = 4;
1215 		rdev->config.rv770.max_simds = 8;
1216 		rdev->config.rv770.max_backends = 2;
1217 		rdev->config.rv770.max_gprs = 128;
1218 		rdev->config.rv770.max_threads = 248;
1219 		rdev->config.rv770.max_stack_entries = 256;
1220 		rdev->config.rv770.max_hw_contexts = 8;
1221 		rdev->config.rv770.max_gs_threads = 16 * 2;
1222 		rdev->config.rv770.sx_max_export_size = 256;
1223 		rdev->config.rv770.sx_max_export_pos_size = 32;
1224 		rdev->config.rv770.sx_max_export_smx_size = 224;
1225 		rdev->config.rv770.sq_num_cf_insts = 2;
1226 
1227 		rdev->config.rv770.sx_num_of_sets = 7;
1228 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
1229 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1230 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1231 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1232 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1233 			rdev->config.rv770.sx_max_export_smx_size += 16;
1234 		}
1235 		break;
1236 	case CHIP_RV710:
1237 		rdev->config.rv770.max_pipes = 2;
1238 		rdev->config.rv770.max_tile_pipes = 2;
1239 		rdev->config.rv770.max_simds = 2;
1240 		rdev->config.rv770.max_backends = 1;
1241 		rdev->config.rv770.max_gprs = 256;
1242 		rdev->config.rv770.max_threads = 192;
1243 		rdev->config.rv770.max_stack_entries = 256;
1244 		rdev->config.rv770.max_hw_contexts = 4;
1245 		rdev->config.rv770.max_gs_threads = 8 * 2;
1246 		rdev->config.rv770.sx_max_export_size = 128;
1247 		rdev->config.rv770.sx_max_export_pos_size = 16;
1248 		rdev->config.rv770.sx_max_export_smx_size = 112;
1249 		rdev->config.rv770.sq_num_cf_insts = 1;
1250 
1251 		rdev->config.rv770.sx_num_of_sets = 7;
1252 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
1253 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1254 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1255 		break;
1256 	case CHIP_RV740:
1257 		rdev->config.rv770.max_pipes = 4;
1258 		rdev->config.rv770.max_tile_pipes = 4;
1259 		rdev->config.rv770.max_simds = 8;
1260 		rdev->config.rv770.max_backends = 4;
1261 		rdev->config.rv770.max_gprs = 256;
1262 		rdev->config.rv770.max_threads = 248;
1263 		rdev->config.rv770.max_stack_entries = 512;
1264 		rdev->config.rv770.max_hw_contexts = 8;
1265 		rdev->config.rv770.max_gs_threads = 16 * 2;
1266 		rdev->config.rv770.sx_max_export_size = 256;
1267 		rdev->config.rv770.sx_max_export_pos_size = 32;
1268 		rdev->config.rv770.sx_max_export_smx_size = 224;
1269 		rdev->config.rv770.sq_num_cf_insts = 2;
1270 
1271 		rdev->config.rv770.sx_num_of_sets = 7;
1272 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
1273 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1274 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1275 
1276 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1277 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1278 			rdev->config.rv770.sx_max_export_smx_size += 16;
1279 		}
1280 		break;
1281 	default:
1282 		break;
1283 	}
1284 
1285 	/* Initialize HDP */
1286 	j = 0;
1287 	for (i = 0; i < 32; i++) {
1288 		WREG32((0x2c14 + j), 0x00000000);
1289 		WREG32((0x2c18 + j), 0x00000000);
1290 		WREG32((0x2c1c + j), 0x00000000);
1291 		WREG32((0x2c20 + j), 0x00000000);
1292 		WREG32((0x2c24 + j), 0x00000000);
1293 		j += 0x18;
1294 	}
1295 
1296 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1297 
1298 	/* setup tiling, simd, pipe config */
1299 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1300 
1301 	shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
1302 	inactive_pipes = (shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
1303 	for (i = 0, tmp = 1, active_number = 0; i < R7XX_MAX_PIPES; i++) {
1304 		if (!(inactive_pipes & tmp)) {
1305 			active_number++;
1306 		}
1307 		tmp <<= 1;
1308 	}
1309 	if (active_number == 1) {
1310 		WREG32(SPI_CONFIG_CNTL, DISABLE_INTERP_1);
1311 	} else {
1312 		WREG32(SPI_CONFIG_CNTL, 0);
1313 	}
1314 
1315 	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1316 	tmp = rdev->config.rv770.max_simds -
1317 		r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
1318 	rdev->config.rv770.active_simds = tmp;
1319 
1320 	switch (rdev->config.rv770.max_tile_pipes) {
1321 	case 1:
1322 	default:
1323 		gb_tiling_config = PIPE_TILING(0);
1324 		break;
1325 	case 2:
1326 		gb_tiling_config = PIPE_TILING(1);
1327 		break;
1328 	case 4:
1329 		gb_tiling_config = PIPE_TILING(2);
1330 		break;
1331 	case 8:
1332 		gb_tiling_config = PIPE_TILING(3);
1333 		break;
1334 	}
1335 	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
1336 
1337 	disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK;
1338 	tmp = 0;
1339 	for (i = 0; i < rdev->config.rv770.max_backends; i++)
1340 		tmp |= (1 << i);
1341 	/* if all the backends are disabled, fix it up here */
1342 	if ((disabled_rb_mask & tmp) == tmp) {
1343 		for (i = 0; i < rdev->config.rv770.max_backends; i++)
1344 			disabled_rb_mask &= ~(1 << i);
1345 	}
1346 	tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
1347 	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends,
1348 					R7XX_MAX_BACKENDS, disabled_rb_mask);
1349 	gb_tiling_config |= tmp << 16;
1350 	rdev->config.rv770.backend_map = tmp;
1351 
1352 	if (rdev->family == CHIP_RV770)
1353 		gb_tiling_config |= BANK_TILING(1);
1354 	else {
1355 		if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
1356 			gb_tiling_config |= BANK_TILING(1);
1357 		else
1358 			gb_tiling_config |= BANK_TILING(0);
1359 	}
1360 	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
1361 	gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1362 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
1363 		gb_tiling_config |= ROW_TILING(3);
1364 		gb_tiling_config |= SAMPLE_SPLIT(3);
1365 	} else {
1366 		gb_tiling_config |=
1367 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1368 		gb_tiling_config |=
1369 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1370 	}
1371 
1372 	gb_tiling_config |= BANK_SWAPS(1);
1373 	rdev->config.rv770.tile_config = gb_tiling_config;
1374 
1375 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
1376 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1377 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1378 	WREG32(DMA_TILING_CONFIG, (gb_tiling_config & 0xffff));
1379 	WREG32(DMA_TILING_CONFIG2, (gb_tiling_config & 0xffff));
1380 	if (rdev->family == CHIP_RV730) {
1381 		WREG32(UVD_UDEC_DB_TILING_CONFIG, (gb_tiling_config & 0xffff));
1382 		WREG32(UVD_UDEC_DBW_TILING_CONFIG, (gb_tiling_config & 0xffff));
1383 		WREG32(UVD_UDEC_TILING_CONFIG, (gb_tiling_config & 0xffff));
1384 	}
1385 
1386 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
1387 	WREG32(CGTS_TCC_DISABLE, 0);
1388 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1389 	WREG32(CGTS_USER_TCC_DISABLE, 0);
1390 
1391 
1392 	num_qd_pipes = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1393 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
1394 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1395 
1396 	/* set HW defaults for 3D engine */
1397 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1398 				     ROQ_IB2_START(0x2b)));
1399 
1400 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1401 
1402 	ta_aux_cntl = RREG32(TA_CNTL_AUX);
1403 	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
1404 
1405 	sx_debug_1 = RREG32(SX_DEBUG_1);
1406 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1407 	WREG32(SX_DEBUG_1, sx_debug_1);
1408 
1409 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1410 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
1411 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
1412 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1413 
1414 	if (rdev->family != CHIP_RV740)
1415 		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
1416 				       GS_FLUSH_CTL(4) |
1417 				       ACK_FLUSH_CTL(3) |
1418 				       SYNC_FLUSH_CTL));
1419 
1420 	if (rdev->family != CHIP_RV770)
1421 		WREG32(SMX_SAR_CTL0, 0x00003f3f);
1422 
1423 	db_debug3 = RREG32(DB_DEBUG3);
1424 	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
1425 	switch (rdev->family) {
1426 	case CHIP_RV770:
1427 	case CHIP_RV740:
1428 		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
1429 		break;
1430 	case CHIP_RV710:
1431 	case CHIP_RV730:
1432 	default:
1433 		db_debug3 |= DB_CLK_OFF_DELAY(2);
1434 		break;
1435 	}
1436 	WREG32(DB_DEBUG3, db_debug3);
1437 
1438 	if (rdev->family != CHIP_RV770) {
1439 		db_debug4 = RREG32(DB_DEBUG4);
1440 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
1441 		WREG32(DB_DEBUG4, db_debug4);
1442 	}
1443 
1444 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
1445 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
1446 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
1447 
1448 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
1449 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
1450 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
1451 
1452 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1453 
1454 	WREG32(VGT_NUM_INSTANCES, 1);
1455 
1456 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1457 
1458 	WREG32(CP_PERFMON_CNTL, 0);
1459 
1460 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
1461 			    DONE_FIFO_HIWATER(0xe0) |
1462 			    ALU_UPDATE_FIFO_HIWATER(0x8));
1463 	switch (rdev->family) {
1464 	case CHIP_RV770:
1465 	case CHIP_RV730:
1466 	case CHIP_RV710:
1467 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
1468 		break;
1469 	case CHIP_RV740:
1470 	default:
1471 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
1472 		break;
1473 	}
1474 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
1475 
1476 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1477 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1478 	 */
1479 	sq_config = RREG32(SQ_CONFIG);
1480 	sq_config &= ~(PS_PRIO(3) |
1481 		       VS_PRIO(3) |
1482 		       GS_PRIO(3) |
1483 		       ES_PRIO(3));
1484 	sq_config |= (DX9_CONSTS |
1485 		      VC_ENABLE |
1486 		      EXPORT_SRC_C |
1487 		      PS_PRIO(0) |
1488 		      VS_PRIO(1) |
1489 		      GS_PRIO(2) |
1490 		      ES_PRIO(3));
1491 	if (rdev->family == CHIP_RV710)
1492 		/* no vertex cache */
1493 		sq_config &= ~VC_ENABLE;
1494 
1495 	WREG32(SQ_CONFIG, sq_config);
1496 
1497 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1498 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1499 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
1500 
1501 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
1502 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
1503 
1504 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
1505 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
1506 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
1507 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
1508 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
1509 	else
1510 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
1511 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1512 
1513 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1514 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1515 
1516 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1517 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1518 
1519 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1520 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
1521 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1522 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
1523 
1524 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
1525 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
1526 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
1527 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
1528 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
1529 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
1530 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
1531 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
1532 
1533 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1534 					  FORCE_EOV_MAX_REZ_CNT(255)));
1535 
1536 	if (rdev->family == CHIP_RV710)
1537 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
1538 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1539 	else
1540 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
1541 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1542 
1543 	switch (rdev->family) {
1544 	case CHIP_RV770:
1545 	case CHIP_RV730:
1546 	case CHIP_RV740:
1547 		gs_prim_buffer_depth = 384;
1548 		break;
1549 	case CHIP_RV710:
1550 		gs_prim_buffer_depth = 128;
1551 		break;
1552 	default:
1553 		break;
1554 	}
1555 
1556 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
1557 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1558 	/* Max value for this is 256 */
1559 	if (vgt_gs_per_es > 256)
1560 		vgt_gs_per_es = 256;
1561 
1562 	WREG32(VGT_ES_PER_GS, 128);
1563 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
1564 	WREG32(VGT_GS_PER_VS, 2);
1565 
1566 	/* more default values. 2D/3D driver should adjust as needed */
1567 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1568 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1569 	WREG32(VGT_STRMOUT_EN, 0);
1570 	WREG32(SX_MISC, 0);
1571 	WREG32(PA_SC_MODE_CNTL, 0);
1572 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
1573 	WREG32(PA_SC_AA_CONFIG, 0);
1574 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
1575 	WREG32(PA_SC_LINE_STIPPLE, 0);
1576 	WREG32(SPI_INPUT_Z, 0);
1577 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1578 	WREG32(CB_COLOR7_FRAG, 0);
1579 
1580 	/* clear render buffer base addresses */
1581 	WREG32(CB_COLOR0_BASE, 0);
1582 	WREG32(CB_COLOR1_BASE, 0);
1583 	WREG32(CB_COLOR2_BASE, 0);
1584 	WREG32(CB_COLOR3_BASE, 0);
1585 	WREG32(CB_COLOR4_BASE, 0);
1586 	WREG32(CB_COLOR5_BASE, 0);
1587 	WREG32(CB_COLOR6_BASE, 0);
1588 	WREG32(CB_COLOR7_BASE, 0);
1589 
1590 	WREG32(TCP_CNTL, 0);
1591 
1592 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1593 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1594 
1595 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1596 
1597 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1598 					  NUM_CLIP_SEQ(3)));
1599 	WREG32(VC_ENHANCE, 0);
1600 }
1601 
1602 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1603 {
1604 	u64 size_bf, size_af;
1605 
1606 	if (mc->mc_vram_size > 0xE0000000) {
1607 		/* leave room for at least 512M GTT */
1608 		dev_warn(rdev->dev, "limiting VRAM\n");
1609 		mc->real_vram_size = 0xE0000000;
1610 		mc->mc_vram_size = 0xE0000000;
1611 	}
1612 	if (rdev->flags & RADEON_IS_AGP) {
1613 		size_bf = mc->gtt_start;
1614 		size_af = mc->mc_mask - mc->gtt_end;
1615 		if (size_bf > size_af) {
1616 			if (mc->mc_vram_size > size_bf) {
1617 				dev_warn(rdev->dev, "limiting VRAM\n");
1618 				mc->real_vram_size = size_bf;
1619 				mc->mc_vram_size = size_bf;
1620 			}
1621 			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1622 		} else {
1623 			if (mc->mc_vram_size > size_af) {
1624 				dev_warn(rdev->dev, "limiting VRAM\n");
1625 				mc->real_vram_size = size_af;
1626 				mc->mc_vram_size = size_af;
1627 			}
1628 			mc->vram_start = mc->gtt_end + 1;
1629 		}
1630 		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1631 		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1632 				mc->mc_vram_size >> 20, mc->vram_start,
1633 				mc->vram_end, mc->real_vram_size >> 20);
1634 	} else {
1635 		radeon_vram_location(rdev, &rdev->mc, 0);
1636 		rdev->mc.gtt_base_align = 0;
1637 		radeon_gtt_location(rdev, mc);
1638 	}
1639 }
1640 
1641 static int rv770_mc_init(struct radeon_device *rdev)
1642 {
1643 	u32 tmp;
1644 	int chansize, numchan;
1645 
1646 	/* Get VRAM informations */
1647 	rdev->mc.vram_is_ddr = true;
1648 	tmp = RREG32(MC_ARB_RAMCFG);
1649 	if (tmp & CHANSIZE_OVERRIDE) {
1650 		chansize = 16;
1651 	} else if (tmp & CHANSIZE_MASK) {
1652 		chansize = 64;
1653 	} else {
1654 		chansize = 32;
1655 	}
1656 	tmp = RREG32(MC_SHARED_CHMAP);
1657 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1658 	case 0:
1659 	default:
1660 		numchan = 1;
1661 		break;
1662 	case 1:
1663 		numchan = 2;
1664 		break;
1665 	case 2:
1666 		numchan = 4;
1667 		break;
1668 	case 3:
1669 		numchan = 8;
1670 		break;
1671 	}
1672 	rdev->mc.vram_width = numchan * chansize;
1673 	/* Could aper size report 0 ? */
1674 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1675 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1676 	/* Setup GPU memory space */
1677 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1678 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1679 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
1680 	r700_vram_gtt_location(rdev, &rdev->mc);
1681 	radeon_update_bandwidth_info(rdev);
1682 
1683 	return 0;
1684 }
1685 
1686 static void rv770_uvd_init(struct radeon_device *rdev)
1687 {
1688 	int r;
1689 
1690 	if (!rdev->has_uvd)
1691 		return;
1692 
1693 	r = radeon_uvd_init(rdev);
1694 	if (r) {
1695 		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
1696 		/*
1697 		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
1698 		 * to early fails uvd_v2_2_resume() and thus nothing happens
1699 		 * there. So it is pointless to try to go through that code
1700 		 * hence why we disable uvd here.
1701 		 */
1702 		rdev->has_uvd = 0;
1703 		return;
1704 	}
1705 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
1706 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
1707 }
1708 
1709 static void rv770_uvd_start(struct radeon_device *rdev)
1710 {
1711 	int r;
1712 
1713 	if (!rdev->has_uvd)
1714 		return;
1715 
1716 	r = uvd_v2_2_resume(rdev);
1717 	if (r) {
1718 		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
1719 		goto error;
1720 	}
1721 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
1722 	if (r) {
1723 		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
1724 		goto error;
1725 	}
1726 	return;
1727 
1728 error:
1729 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
1730 }
1731 
1732 static void rv770_uvd_resume(struct radeon_device *rdev)
1733 {
1734 	struct radeon_ring *ring;
1735 	int r;
1736 
1737 	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
1738 		return;
1739 
1740 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
1741 	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
1742 	if (r) {
1743 		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
1744 		return;
1745 	}
1746 	r = uvd_v1_0_init(rdev);
1747 	if (r) {
1748 		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
1749 		return;
1750 	}
1751 }
1752 
1753 static int rv770_startup(struct radeon_device *rdev)
1754 {
1755 	struct radeon_ring *ring;
1756 	int r;
1757 
1758 	/* enable pcie gen2 link */
1759 	rv770_pcie_gen2_enable(rdev);
1760 
1761 	/* scratch needs to be initialized before MC */
1762 	r = r600_vram_scratch_init(rdev);
1763 	if (r)
1764 		return r;
1765 
1766 	rv770_mc_program(rdev);
1767 
1768 	if (rdev->flags & RADEON_IS_AGP) {
1769 		rv770_agp_enable(rdev);
1770 	} else {
1771 		r = rv770_pcie_gart_enable(rdev);
1772 		if (r)
1773 			return r;
1774 	}
1775 
1776 	rv770_gpu_init(rdev);
1777 
1778 	/* allocate wb buffer */
1779 	r = radeon_wb_init(rdev);
1780 	if (r)
1781 		return r;
1782 
1783 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1784 	if (r) {
1785 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1786 		return r;
1787 	}
1788 
1789 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
1790 	if (r) {
1791 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
1792 		return r;
1793 	}
1794 
1795 	rv770_uvd_start(rdev);
1796 
1797 	/* Enable IRQ */
1798 	if (!rdev->irq.installed) {
1799 		r = radeon_irq_kms_init(rdev);
1800 		if (r)
1801 			return r;
1802 	}
1803 
1804 	r = r600_irq_init(rdev);
1805 	if (r) {
1806 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
1807 		radeon_irq_kms_fini(rdev);
1808 		return r;
1809 	}
1810 	r600_irq_set(rdev);
1811 
1812 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1813 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1814 			     RADEON_CP_PACKET2);
1815 	if (r)
1816 		return r;
1817 
1818 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
1819 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
1820 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
1821 	if (r)
1822 		return r;
1823 
1824 	r = rv770_cp_load_microcode(rdev);
1825 	if (r)
1826 		return r;
1827 	r = r600_cp_resume(rdev);
1828 	if (r)
1829 		return r;
1830 
1831 	r = r600_dma_resume(rdev);
1832 	if (r)
1833 		return r;
1834 
1835 	rv770_uvd_resume(rdev);
1836 
1837 	r = radeon_ib_pool_init(rdev);
1838 	if (r) {
1839 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1840 		return r;
1841 	}
1842 
1843 	r = radeon_audio_init(rdev);
1844 	if (r) {
1845 		DRM_ERROR("radeon: audio init failed\n");
1846 		return r;
1847 	}
1848 
1849 	return 0;
1850 }
1851 
1852 int rv770_resume(struct radeon_device *rdev)
1853 {
1854 	int r;
1855 
1856 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1857 	 * posting will perform necessary task to bring back GPU into good
1858 	 * shape.
1859 	 */
1860 	/* post card */
1861 	atom_asic_init(rdev->mode_info.atom_context);
1862 
1863 	/* init golden registers */
1864 	rv770_init_golden_registers(rdev);
1865 
1866 	if (rdev->pm.pm_method == PM_METHOD_DPM)
1867 		radeon_pm_resume(rdev);
1868 
1869 	rdev->accel_working = true;
1870 	r = rv770_startup(rdev);
1871 	if (r) {
1872 		DRM_ERROR("r600 startup failed on resume\n");
1873 		rdev->accel_working = false;
1874 		return r;
1875 	}
1876 
1877 	return r;
1878 
1879 }
1880 
1881 int rv770_suspend(struct radeon_device *rdev)
1882 {
1883 	radeon_pm_suspend(rdev);
1884 	radeon_audio_fini(rdev);
1885 	if (rdev->has_uvd) {
1886 		uvd_v1_0_fini(rdev);
1887 		radeon_uvd_suspend(rdev);
1888 	}
1889 	r700_cp_stop(rdev);
1890 	r600_dma_stop(rdev);
1891 	r600_irq_suspend(rdev);
1892 	radeon_wb_disable(rdev);
1893 	rv770_pcie_gart_disable(rdev);
1894 
1895 	return 0;
1896 }
1897 
1898 /* Plan is to move initialization in that function and use
1899  * helper function so that radeon_device_init pretty much
1900  * do nothing more than calling asic specific function. This
1901  * should also allow to remove a bunch of callback function
1902  * like vram_info.
1903  */
1904 int rv770_init(struct radeon_device *rdev)
1905 {
1906 	int r;
1907 
1908 	/* Read BIOS */
1909 	if (!radeon_get_bios(rdev)) {
1910 		if (ASIC_IS_AVIVO(rdev))
1911 			return -EINVAL;
1912 	}
1913 	/* Must be an ATOMBIOS */
1914 	if (!rdev->is_atom_bios) {
1915 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1916 		return -EINVAL;
1917 	}
1918 	r = radeon_atombios_init(rdev);
1919 	if (r)
1920 		return r;
1921 	/* Post card if necessary */
1922 	if (!radeon_card_posted(rdev)) {
1923 		if (!rdev->bios) {
1924 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1925 			return -EINVAL;
1926 		}
1927 		DRM_INFO("GPU not posted. posting now...\n");
1928 		atom_asic_init(rdev->mode_info.atom_context);
1929 	}
1930 	/* init golden registers */
1931 	rv770_init_golden_registers(rdev);
1932 	/* Initialize scratch registers */
1933 	r600_scratch_init(rdev);
1934 	/* Initialize surface registers */
1935 	radeon_surface_init(rdev);
1936 	/* Initialize clocks */
1937 	radeon_get_clock_info(rdev->ddev);
1938 	/* Fence driver */
1939 	r = radeon_fence_driver_init(rdev);
1940 	if (r)
1941 		return r;
1942 	/* initialize AGP */
1943 	if (rdev->flags & RADEON_IS_AGP) {
1944 		r = radeon_agp_init(rdev);
1945 		if (r)
1946 			radeon_agp_disable(rdev);
1947 	}
1948 	r = rv770_mc_init(rdev);
1949 	if (r)
1950 		return r;
1951 	/* Memory manager */
1952 	r = radeon_bo_init(rdev);
1953 	if (r)
1954 		return r;
1955 
1956 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1957 		r = r600_init_microcode(rdev);
1958 		if (r) {
1959 			DRM_ERROR("Failed to load firmware!\n");
1960 			return r;
1961 		}
1962 	}
1963 
1964 	/* Initialize power management */
1965 	radeon_pm_init(rdev);
1966 
1967 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
1968 	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1969 
1970 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
1971 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
1972 
1973 	rv770_uvd_init(rdev);
1974 
1975 	rdev->ih.ring_obj = NULL;
1976 	r600_ih_ring_init(rdev, 64 * 1024);
1977 
1978 	r = r600_pcie_gart_init(rdev);
1979 	if (r)
1980 		return r;
1981 
1982 	rdev->accel_working = true;
1983 	r = rv770_startup(rdev);
1984 	if (r) {
1985 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1986 		r700_cp_fini(rdev);
1987 		r600_dma_fini(rdev);
1988 		r600_irq_fini(rdev);
1989 		radeon_wb_fini(rdev);
1990 		radeon_ib_pool_fini(rdev);
1991 		radeon_irq_kms_fini(rdev);
1992 		rv770_pcie_gart_fini(rdev);
1993 		rdev->accel_working = false;
1994 	}
1995 
1996 	return 0;
1997 }
1998 
1999 void rv770_fini(struct radeon_device *rdev)
2000 {
2001 	radeon_pm_fini(rdev);
2002 	r700_cp_fini(rdev);
2003 	r600_dma_fini(rdev);
2004 	r600_irq_fini(rdev);
2005 	radeon_wb_fini(rdev);
2006 	radeon_ib_pool_fini(rdev);
2007 	radeon_irq_kms_fini(rdev);
2008 	uvd_v1_0_fini(rdev);
2009 	radeon_uvd_fini(rdev);
2010 	rv770_pcie_gart_fini(rdev);
2011 	r600_vram_scratch_fini(rdev);
2012 	radeon_gem_fini(rdev);
2013 	radeon_fence_driver_fini(rdev);
2014 	radeon_agp_fini(rdev);
2015 	radeon_bo_fini(rdev);
2016 	radeon_atombios_fini(rdev);
2017 	kfree(rdev->bios);
2018 	rdev->bios = NULL;
2019 }
2020 
2021 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
2022 {
2023 	u32 link_width_cntl, lanes, speed_cntl, tmp;
2024 	u16 link_cntl2;
2025 
2026 	if (radeon_pcie_gen2 == 0)
2027 		return;
2028 
2029 	if (rdev->flags & RADEON_IS_IGP)
2030 		return;
2031 
2032 	if (!(rdev->flags & RADEON_IS_PCIE))
2033 		return;
2034 
2035 	/* x2 cards have a special sequence */
2036 	if (ASIC_IS_X2(rdev))
2037 		return;
2038 
2039 	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
2040 		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
2041 		return;
2042 
2043 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
2044 
2045 	/* advertise upconfig capability */
2046 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2047 	link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2048 	WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2049 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2050 	if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
2051 		lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
2052 		link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
2053 				     LC_RECONFIG_ARC_MISSING_ESCAPE);
2054 		link_width_cntl |= lanes | LC_RECONFIG_NOW |
2055 			LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
2056 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2057 	} else {
2058 		link_width_cntl |= LC_UPCONFIGURE_DIS;
2059 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2060 	}
2061 
2062 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2063 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
2064 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
2065 
2066 		tmp = RREG32(0x541c);
2067 		WREG32(0x541c, tmp | 0x8);
2068 		WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
2069 		link_cntl2 = RREG16(0x4088);
2070 		link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
2071 		link_cntl2 |= 0x2;
2072 		WREG16(0x4088, link_cntl2);
2073 		WREG32(MM_CFGREGS_CNTL, 0);
2074 
2075 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2076 		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
2077 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2078 
2079 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2080 		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
2081 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2082 
2083 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2084 		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
2085 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2086 
2087 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2088 		speed_cntl |= LC_GEN2_EN_STRAP;
2089 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2090 
2091 	} else {
2092 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2093 		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
2094 		if (1)
2095 			link_width_cntl |= LC_UPCONFIGURE_DIS;
2096 		else
2097 			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2098 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2099 	}
2100 }
2101