xref: /linux/drivers/gpu/drm/radeon/rv770.c (revision 55d0969c451159cff86949b38c39171cab962069)
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 
29 #include <linux/firmware.h>
30 #include <linux/pci.h>
31 #include <linux/slab.h>
32 
33 #include <drm/drm_device.h>
34 #include <drm/radeon_drm.h>
35 #include <drm/drm_fourcc.h>
36 #include <drm/drm_framebuffer.h>
37 
38 #include "atom.h"
39 #include "avivod.h"
40 #include "radeon.h"
41 #include "radeon_asic.h"
42 #include "radeon_audio.h"
43 #include "rv770d.h"
44 #include "rv770.h"
45 
46 #define R700_PFP_UCODE_SIZE 848
47 #define R700_PM4_UCODE_SIZE 1360
48 
49 static void rv770_gpu_init(struct radeon_device *rdev);
50 void rv770_fini(struct radeon_device *rdev);
51 static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
52 int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk);
53 
54 int rv770_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
55 {
56 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
57 	int r;
58 
59 	/* RV740 uses evergreen uvd clk programming */
60 	if (rdev->family == CHIP_RV740)
61 		return evergreen_set_uvd_clocks(rdev, vclk, dclk);
62 
63 	/* bypass vclk and dclk with bclk */
64 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
65 		 VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
66 		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
67 
68 	if (!vclk || !dclk) {
69 		/* keep the Bypass mode, put PLL to sleep */
70 		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
71 		return 0;
72 	}
73 
74 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000,
75 					  43663, 0x03FFFFFE, 1, 30, ~0,
76 					  &fb_div, &vclk_div, &dclk_div);
77 	if (r)
78 		return r;
79 
80 	fb_div |= 1;
81 	vclk_div -= 1;
82 	dclk_div -= 1;
83 
84 	/* set UPLL_FB_DIV to 0x50000 */
85 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(0x50000), ~UPLL_FB_DIV_MASK);
86 
87 	/* deassert UPLL_RESET and UPLL_SLEEP */
88 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~(UPLL_RESET_MASK | UPLL_SLEEP_MASK));
89 
90 	/* assert BYPASS EN and FB_DIV[0] <- ??? why? */
91 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
92 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(1), ~UPLL_FB_DIV(1));
93 
94 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
95 	if (r)
96 		return r;
97 
98 	/* assert PLL_RESET */
99 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
100 
101 	/* set the required FB_DIV, REF_DIV, Post divder values */
102 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REF_DIV(1), ~UPLL_REF_DIV_MASK);
103 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
104 		 UPLL_SW_HILEN(vclk_div >> 1) |
105 		 UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) |
106 		 UPLL_SW_HILEN2(dclk_div >> 1) |
107 		 UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)),
108 		 ~UPLL_SW_MASK);
109 
110 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div),
111 		 ~UPLL_FB_DIV_MASK);
112 
113 	/* give the PLL some time to settle */
114 	mdelay(15);
115 
116 	/* deassert PLL_RESET */
117 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
118 
119 	mdelay(15);
120 
121 	/* deassert BYPASS EN and FB_DIV[0] <- ??? why? */
122 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
123 	WREG32_P(CG_UPLL_FUNC_CNTL_3, 0, ~UPLL_FB_DIV(1));
124 
125 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
126 	if (r)
127 		return r;
128 
129 	/* switch VCLK and DCLK selection */
130 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
131 		 VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
132 		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
133 
134 	mdelay(100);
135 
136 	return 0;
137 }
138 
139 static const u32 r7xx_golden_registers[] = {
140 	0x8d00, 0xffffffff, 0x0e0e0074,
141 	0x8d04, 0xffffffff, 0x013a2b34,
142 	0x9508, 0xffffffff, 0x00000002,
143 	0x8b20, 0xffffffff, 0,
144 	0x88c4, 0xffffffff, 0x000000c2,
145 	0x28350, 0xffffffff, 0,
146 	0x9058, 0xffffffff, 0x0fffc40f,
147 	0x240c, 0xffffffff, 0x00000380,
148 	0x733c, 0xffffffff, 0x00000002,
149 	0x2650, 0x00040000, 0,
150 	0x20bc, 0x00040000, 0,
151 	0x7300, 0xffffffff, 0x001000f0
152 };
153 
154 static const u32 r7xx_golden_dyn_gpr_registers[] = {
155 	0x8db0, 0xffffffff, 0x98989898,
156 	0x8db4, 0xffffffff, 0x98989898,
157 	0x8db8, 0xffffffff, 0x98989898,
158 	0x8dbc, 0xffffffff, 0x98989898,
159 	0x8dc0, 0xffffffff, 0x98989898,
160 	0x8dc4, 0xffffffff, 0x98989898,
161 	0x8dc8, 0xffffffff, 0x98989898,
162 	0x8dcc, 0xffffffff, 0x98989898,
163 	0x88c4, 0xffffffff, 0x00000082
164 };
165 
166 static const u32 rv770_golden_registers[] = {
167 	0x562c, 0xffffffff, 0,
168 	0x3f90, 0xffffffff, 0,
169 	0x9148, 0xffffffff, 0,
170 	0x3f94, 0xffffffff, 0,
171 	0x914c, 0xffffffff, 0,
172 	0x9698, 0x18000000, 0x18000000
173 };
174 
175 static const u32 rv770ce_golden_registers[] = {
176 	0x562c, 0xffffffff, 0,
177 	0x3f90, 0xffffffff, 0x00cc0000,
178 	0x9148, 0xffffffff, 0x00cc0000,
179 	0x3f94, 0xffffffff, 0x00cc0000,
180 	0x914c, 0xffffffff, 0x00cc0000,
181 	0x9b7c, 0xffffffff, 0x00fa0000,
182 	0x3f8c, 0xffffffff, 0x00fa0000,
183 	0x9698, 0x18000000, 0x18000000
184 };
185 
186 static const u32 rv770_mgcg_init[] = {
187 	0x8bcc, 0xffffffff, 0x130300f9,
188 	0x5448, 0xffffffff, 0x100,
189 	0x55e4, 0xffffffff, 0x100,
190 	0x160c, 0xffffffff, 0x100,
191 	0x5644, 0xffffffff, 0x100,
192 	0xc164, 0xffffffff, 0x100,
193 	0x8a18, 0xffffffff, 0x100,
194 	0x897c, 0xffffffff, 0x8000100,
195 	0x8b28, 0xffffffff, 0x3c000100,
196 	0x9144, 0xffffffff, 0x100,
197 	0x9a1c, 0xffffffff, 0x10000,
198 	0x9a50, 0xffffffff, 0x100,
199 	0x9a1c, 0xffffffff, 0x10001,
200 	0x9a50, 0xffffffff, 0x100,
201 	0x9a1c, 0xffffffff, 0x10002,
202 	0x9a50, 0xffffffff, 0x100,
203 	0x9a1c, 0xffffffff, 0x10003,
204 	0x9a50, 0xffffffff, 0x100,
205 	0x9a1c, 0xffffffff, 0x0,
206 	0x9870, 0xffffffff, 0x100,
207 	0x8d58, 0xffffffff, 0x100,
208 	0x9500, 0xffffffff, 0x0,
209 	0x9510, 0xffffffff, 0x100,
210 	0x9500, 0xffffffff, 0x1,
211 	0x9510, 0xffffffff, 0x100,
212 	0x9500, 0xffffffff, 0x2,
213 	0x9510, 0xffffffff, 0x100,
214 	0x9500, 0xffffffff, 0x3,
215 	0x9510, 0xffffffff, 0x100,
216 	0x9500, 0xffffffff, 0x4,
217 	0x9510, 0xffffffff, 0x100,
218 	0x9500, 0xffffffff, 0x5,
219 	0x9510, 0xffffffff, 0x100,
220 	0x9500, 0xffffffff, 0x6,
221 	0x9510, 0xffffffff, 0x100,
222 	0x9500, 0xffffffff, 0x7,
223 	0x9510, 0xffffffff, 0x100,
224 	0x9500, 0xffffffff, 0x8,
225 	0x9510, 0xffffffff, 0x100,
226 	0x9500, 0xffffffff, 0x9,
227 	0x9510, 0xffffffff, 0x100,
228 	0x9500, 0xffffffff, 0x8000,
229 	0x9490, 0xffffffff, 0x0,
230 	0x949c, 0xffffffff, 0x100,
231 	0x9490, 0xffffffff, 0x1,
232 	0x949c, 0xffffffff, 0x100,
233 	0x9490, 0xffffffff, 0x2,
234 	0x949c, 0xffffffff, 0x100,
235 	0x9490, 0xffffffff, 0x3,
236 	0x949c, 0xffffffff, 0x100,
237 	0x9490, 0xffffffff, 0x4,
238 	0x949c, 0xffffffff, 0x100,
239 	0x9490, 0xffffffff, 0x5,
240 	0x949c, 0xffffffff, 0x100,
241 	0x9490, 0xffffffff, 0x6,
242 	0x949c, 0xffffffff, 0x100,
243 	0x9490, 0xffffffff, 0x7,
244 	0x949c, 0xffffffff, 0x100,
245 	0x9490, 0xffffffff, 0x8,
246 	0x949c, 0xffffffff, 0x100,
247 	0x9490, 0xffffffff, 0x9,
248 	0x949c, 0xffffffff, 0x100,
249 	0x9490, 0xffffffff, 0x8000,
250 	0x9604, 0xffffffff, 0x0,
251 	0x9654, 0xffffffff, 0x100,
252 	0x9604, 0xffffffff, 0x1,
253 	0x9654, 0xffffffff, 0x100,
254 	0x9604, 0xffffffff, 0x2,
255 	0x9654, 0xffffffff, 0x100,
256 	0x9604, 0xffffffff, 0x3,
257 	0x9654, 0xffffffff, 0x100,
258 	0x9604, 0xffffffff, 0x4,
259 	0x9654, 0xffffffff, 0x100,
260 	0x9604, 0xffffffff, 0x5,
261 	0x9654, 0xffffffff, 0x100,
262 	0x9604, 0xffffffff, 0x6,
263 	0x9654, 0xffffffff, 0x100,
264 	0x9604, 0xffffffff, 0x7,
265 	0x9654, 0xffffffff, 0x100,
266 	0x9604, 0xffffffff, 0x8,
267 	0x9654, 0xffffffff, 0x100,
268 	0x9604, 0xffffffff, 0x9,
269 	0x9654, 0xffffffff, 0x100,
270 	0x9604, 0xffffffff, 0x80000000,
271 	0x9030, 0xffffffff, 0x100,
272 	0x9034, 0xffffffff, 0x100,
273 	0x9038, 0xffffffff, 0x100,
274 	0x903c, 0xffffffff, 0x100,
275 	0x9040, 0xffffffff, 0x100,
276 	0xa200, 0xffffffff, 0x100,
277 	0xa204, 0xffffffff, 0x100,
278 	0xa208, 0xffffffff, 0x100,
279 	0xa20c, 0xffffffff, 0x100,
280 	0x971c, 0xffffffff, 0x100,
281 	0x915c, 0xffffffff, 0x00020001,
282 	0x9160, 0xffffffff, 0x00040003,
283 	0x916c, 0xffffffff, 0x00060005,
284 	0x9170, 0xffffffff, 0x00080007,
285 	0x9174, 0xffffffff, 0x000a0009,
286 	0x9178, 0xffffffff, 0x000c000b,
287 	0x917c, 0xffffffff, 0x000e000d,
288 	0x9180, 0xffffffff, 0x0010000f,
289 	0x918c, 0xffffffff, 0x00120011,
290 	0x9190, 0xffffffff, 0x00140013,
291 	0x9194, 0xffffffff, 0x00020001,
292 	0x9198, 0xffffffff, 0x00040003,
293 	0x919c, 0xffffffff, 0x00060005,
294 	0x91a8, 0xffffffff, 0x00080007,
295 	0x91ac, 0xffffffff, 0x000a0009,
296 	0x91b0, 0xffffffff, 0x000c000b,
297 	0x91b4, 0xffffffff, 0x000e000d,
298 	0x91b8, 0xffffffff, 0x0010000f,
299 	0x91c4, 0xffffffff, 0x00120011,
300 	0x91c8, 0xffffffff, 0x00140013,
301 	0x91cc, 0xffffffff, 0x00020001,
302 	0x91d0, 0xffffffff, 0x00040003,
303 	0x91d4, 0xffffffff, 0x00060005,
304 	0x91e0, 0xffffffff, 0x00080007,
305 	0x91e4, 0xffffffff, 0x000a0009,
306 	0x91e8, 0xffffffff, 0x000c000b,
307 	0x91ec, 0xffffffff, 0x00020001,
308 	0x91f0, 0xffffffff, 0x00040003,
309 	0x91f4, 0xffffffff, 0x00060005,
310 	0x9200, 0xffffffff, 0x00080007,
311 	0x9204, 0xffffffff, 0x000a0009,
312 	0x9208, 0xffffffff, 0x000c000b,
313 	0x920c, 0xffffffff, 0x000e000d,
314 	0x9210, 0xffffffff, 0x0010000f,
315 	0x921c, 0xffffffff, 0x00120011,
316 	0x9220, 0xffffffff, 0x00140013,
317 	0x9224, 0xffffffff, 0x00020001,
318 	0x9228, 0xffffffff, 0x00040003,
319 	0x922c, 0xffffffff, 0x00060005,
320 	0x9238, 0xffffffff, 0x00080007,
321 	0x923c, 0xffffffff, 0x000a0009,
322 	0x9240, 0xffffffff, 0x000c000b,
323 	0x9244, 0xffffffff, 0x000e000d,
324 	0x9248, 0xffffffff, 0x0010000f,
325 	0x9254, 0xffffffff, 0x00120011,
326 	0x9258, 0xffffffff, 0x00140013,
327 	0x925c, 0xffffffff, 0x00020001,
328 	0x9260, 0xffffffff, 0x00040003,
329 	0x9264, 0xffffffff, 0x00060005,
330 	0x9270, 0xffffffff, 0x00080007,
331 	0x9274, 0xffffffff, 0x000a0009,
332 	0x9278, 0xffffffff, 0x000c000b,
333 	0x927c, 0xffffffff, 0x000e000d,
334 	0x9280, 0xffffffff, 0x0010000f,
335 	0x928c, 0xffffffff, 0x00120011,
336 	0x9290, 0xffffffff, 0x00140013,
337 	0x9294, 0xffffffff, 0x00020001,
338 	0x929c, 0xffffffff, 0x00040003,
339 	0x92a0, 0xffffffff, 0x00060005,
340 	0x92a4, 0xffffffff, 0x00080007
341 };
342 
343 static const u32 rv710_golden_registers[] = {
344 	0x3f90, 0x00ff0000, 0x00fc0000,
345 	0x9148, 0x00ff0000, 0x00fc0000,
346 	0x3f94, 0x00ff0000, 0x00fc0000,
347 	0x914c, 0x00ff0000, 0x00fc0000,
348 	0xb4c, 0x00000020, 0x00000020,
349 	0xa180, 0xffffffff, 0x00003f3f
350 };
351 
352 static const u32 rv710_mgcg_init[] = {
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 	0x3f90, 0x00ff0000, 0x00f00000,
412 	0x9148, 0x00ff0000, 0x00f00000,
413 	0x3f94, 0x00ff0000, 0x00f00000,
414 	0x914c, 0x00ff0000, 0x00f00000,
415 	0x900c, 0xffffffff, 0x003b033f,
416 	0xb4c, 0x00000020, 0x00000020,
417 	0xa180, 0xffffffff, 0x00003f3f
418 };
419 
420 static const u32 rv730_mgcg_init[] = {
421 	0x8bcc, 0xffffffff, 0x130300f9,
422 	0x5448, 0xffffffff, 0x100,
423 	0x55e4, 0xffffffff, 0x100,
424 	0x160c, 0xffffffff, 0x100,
425 	0x5644, 0xffffffff, 0x100,
426 	0xc164, 0xffffffff, 0x100,
427 	0x8a18, 0xffffffff, 0x100,
428 	0x897c, 0xffffffff, 0x8000100,
429 	0x8b28, 0xffffffff, 0x3c000100,
430 	0x9144, 0xffffffff, 0x100,
431 	0x9a1c, 0xffffffff, 0x10000,
432 	0x9a50, 0xffffffff, 0x100,
433 	0x9a1c, 0xffffffff, 0x10001,
434 	0x9a50, 0xffffffff, 0x100,
435 	0x9a1c, 0xffffffff, 0x0,
436 	0x9870, 0xffffffff, 0x100,
437 	0x8d58, 0xffffffff, 0x100,
438 	0x9500, 0xffffffff, 0x0,
439 	0x9510, 0xffffffff, 0x100,
440 	0x9500, 0xffffffff, 0x1,
441 	0x9510, 0xffffffff, 0x100,
442 	0x9500, 0xffffffff, 0x2,
443 	0x9510, 0xffffffff, 0x100,
444 	0x9500, 0xffffffff, 0x3,
445 	0x9510, 0xffffffff, 0x100,
446 	0x9500, 0xffffffff, 0x4,
447 	0x9510, 0xffffffff, 0x100,
448 	0x9500, 0xffffffff, 0x5,
449 	0x9510, 0xffffffff, 0x100,
450 	0x9500, 0xffffffff, 0x6,
451 	0x9510, 0xffffffff, 0x100,
452 	0x9500, 0xffffffff, 0x7,
453 	0x9510, 0xffffffff, 0x100,
454 	0x9500, 0xffffffff, 0x8000,
455 	0x9490, 0xffffffff, 0x0,
456 	0x949c, 0xffffffff, 0x100,
457 	0x9490, 0xffffffff, 0x1,
458 	0x949c, 0xffffffff, 0x100,
459 	0x9490, 0xffffffff, 0x2,
460 	0x949c, 0xffffffff, 0x100,
461 	0x9490, 0xffffffff, 0x3,
462 	0x949c, 0xffffffff, 0x100,
463 	0x9490, 0xffffffff, 0x4,
464 	0x949c, 0xffffffff, 0x100,
465 	0x9490, 0xffffffff, 0x5,
466 	0x949c, 0xffffffff, 0x100,
467 	0x9490, 0xffffffff, 0x6,
468 	0x949c, 0xffffffff, 0x100,
469 	0x9490, 0xffffffff, 0x7,
470 	0x949c, 0xffffffff, 0x100,
471 	0x9490, 0xffffffff, 0x8000,
472 	0x9604, 0xffffffff, 0x0,
473 	0x9654, 0xffffffff, 0x100,
474 	0x9604, 0xffffffff, 0x1,
475 	0x9654, 0xffffffff, 0x100,
476 	0x9604, 0xffffffff, 0x2,
477 	0x9654, 0xffffffff, 0x100,
478 	0x9604, 0xffffffff, 0x3,
479 	0x9654, 0xffffffff, 0x100,
480 	0x9604, 0xffffffff, 0x4,
481 	0x9654, 0xffffffff, 0x100,
482 	0x9604, 0xffffffff, 0x5,
483 	0x9654, 0xffffffff, 0x100,
484 	0x9604, 0xffffffff, 0x6,
485 	0x9654, 0xffffffff, 0x100,
486 	0x9604, 0xffffffff, 0x7,
487 	0x9654, 0xffffffff, 0x100,
488 	0x9604, 0xffffffff, 0x80000000,
489 	0x9030, 0xffffffff, 0x100,
490 	0x9034, 0xffffffff, 0x100,
491 	0x9038, 0xffffffff, 0x100,
492 	0x903c, 0xffffffff, 0x100,
493 	0x9040, 0xffffffff, 0x100,
494 	0xa200, 0xffffffff, 0x100,
495 	0xa204, 0xffffffff, 0x100,
496 	0xa208, 0xffffffff, 0x100,
497 	0xa20c, 0xffffffff, 0x100,
498 	0x971c, 0xffffffff, 0x100,
499 	0x915c, 0xffffffff, 0x00020001,
500 	0x916c, 0xffffffff, 0x00040003,
501 	0x9170, 0xffffffff, 0x00000005,
502 	0x9178, 0xffffffff, 0x00050001,
503 	0x917c, 0xffffffff, 0x00030002,
504 	0x918c, 0xffffffff, 0x00000004,
505 	0x9190, 0xffffffff, 0x00070006,
506 	0x9194, 0xffffffff, 0x00050001,
507 	0x9198, 0xffffffff, 0x00030002,
508 	0x91a8, 0xffffffff, 0x00000004,
509 	0x91ac, 0xffffffff, 0x00070006,
510 	0x91b0, 0xffffffff, 0x00050001,
511 	0x91b4, 0xffffffff, 0x00030002,
512 	0x91c4, 0xffffffff, 0x00000004,
513 	0x91c8, 0xffffffff, 0x00070006,
514 	0x91cc, 0xffffffff, 0x00050001,
515 	0x91d0, 0xffffffff, 0x00030002,
516 	0x91e0, 0xffffffff, 0x00000004,
517 	0x91e4, 0xffffffff, 0x00070006,
518 	0x91e8, 0xffffffff, 0x00000001,
519 	0x91ec, 0xffffffff, 0x00050001,
520 	0x91f0, 0xffffffff, 0x00030002,
521 	0x9200, 0xffffffff, 0x00000004,
522 	0x9204, 0xffffffff, 0x00070006,
523 	0x9208, 0xffffffff, 0x00050001,
524 	0x920c, 0xffffffff, 0x00030002,
525 	0x921c, 0xffffffff, 0x00000004,
526 	0x9220, 0xffffffff, 0x00070006,
527 	0x9224, 0xffffffff, 0x00050001,
528 	0x9228, 0xffffffff, 0x00030002,
529 	0x9238, 0xffffffff, 0x00000004,
530 	0x923c, 0xffffffff, 0x00070006,
531 	0x9240, 0xffffffff, 0x00050001,
532 	0x9244, 0xffffffff, 0x00030002,
533 	0x9254, 0xffffffff, 0x00000004,
534 	0x9258, 0xffffffff, 0x00070006,
535 	0x9294, 0xffffffff, 0x00000001,
536 	0x929c, 0xffffffff, 0x00000002,
537 	0x92a0, 0xffffffff, 0x00040003,
538 	0x92a4, 0xffffffff, 0x00000005
539 };
540 
541 static const u32 rv740_golden_registers[] = {
542 	0x88c4, 0xffffffff, 0x00000082,
543 	0x28a50, 0xfffffffc, 0x00000004,
544 	0x2650, 0x00040000, 0,
545 	0x20bc, 0x00040000, 0,
546 	0x733c, 0xffffffff, 0x00000002,
547 	0x7300, 0xffffffff, 0x001000f0,
548 	0x3f90, 0x00ff0000, 0,
549 	0x9148, 0x00ff0000, 0,
550 	0x3f94, 0x00ff0000, 0,
551 	0x914c, 0x00ff0000, 0,
552 	0x240c, 0xffffffff, 0x00000380,
553 	0x8a14, 0x00000007, 0x00000007,
554 	0x8b24, 0xffffffff, 0x00ff0fff,
555 	0x28a4c, 0xffffffff, 0x00004000,
556 	0xa180, 0xffffffff, 0x00003f3f,
557 	0x8d00, 0xffffffff, 0x0e0e003a,
558 	0x8d04, 0xffffffff, 0x013a0e2a,
559 	0x8c00, 0xffffffff, 0xe400000f,
560 	0x8db0, 0xffffffff, 0x98989898,
561 	0x8db4, 0xffffffff, 0x98989898,
562 	0x8db8, 0xffffffff, 0x98989898,
563 	0x8dbc, 0xffffffff, 0x98989898,
564 	0x8dc0, 0xffffffff, 0x98989898,
565 	0x8dc4, 0xffffffff, 0x98989898,
566 	0x8dc8, 0xffffffff, 0x98989898,
567 	0x8dcc, 0xffffffff, 0x98989898,
568 	0x9058, 0xffffffff, 0x0fffc40f,
569 	0x900c, 0xffffffff, 0x003b033f,
570 	0x28350, 0xffffffff, 0,
571 	0x8cf0, 0x1fffffff, 0x08e00420,
572 	0x9508, 0xffffffff, 0x00000002,
573 	0x88c4, 0xffffffff, 0x000000c2,
574 	0x9698, 0x18000000, 0x18000000
575 };
576 
577 static const u32 rv740_mgcg_init[] = {
578 	0x8bcc, 0xffffffff, 0x13030100,
579 	0x5448, 0xffffffff, 0x100,
580 	0x55e4, 0xffffffff, 0x100,
581 	0x160c, 0xffffffff, 0x100,
582 	0x5644, 0xffffffff, 0x100,
583 	0xc164, 0xffffffff, 0x100,
584 	0x8a18, 0xffffffff, 0x100,
585 	0x897c, 0xffffffff, 0x100,
586 	0x8b28, 0xffffffff, 0x100,
587 	0x9144, 0xffffffff, 0x100,
588 	0x9a1c, 0xffffffff, 0x10000,
589 	0x9a50, 0xffffffff, 0x100,
590 	0x9a1c, 0xffffffff, 0x10001,
591 	0x9a50, 0xffffffff, 0x100,
592 	0x9a1c, 0xffffffff, 0x10002,
593 	0x9a50, 0xffffffff, 0x100,
594 	0x9a1c, 0xffffffff, 0x10003,
595 	0x9a50, 0xffffffff, 0x100,
596 	0x9a1c, 0xffffffff, 0x0,
597 	0x9870, 0xffffffff, 0x100,
598 	0x8d58, 0xffffffff, 0x100,
599 	0x9500, 0xffffffff, 0x0,
600 	0x9510, 0xffffffff, 0x100,
601 	0x9500, 0xffffffff, 0x1,
602 	0x9510, 0xffffffff, 0x100,
603 	0x9500, 0xffffffff, 0x2,
604 	0x9510, 0xffffffff, 0x100,
605 	0x9500, 0xffffffff, 0x3,
606 	0x9510, 0xffffffff, 0x100,
607 	0x9500, 0xffffffff, 0x4,
608 	0x9510, 0xffffffff, 0x100,
609 	0x9500, 0xffffffff, 0x5,
610 	0x9510, 0xffffffff, 0x100,
611 	0x9500, 0xffffffff, 0x6,
612 	0x9510, 0xffffffff, 0x100,
613 	0x9500, 0xffffffff, 0x7,
614 	0x9510, 0xffffffff, 0x100,
615 	0x9500, 0xffffffff, 0x8000,
616 	0x9490, 0xffffffff, 0x0,
617 	0x949c, 0xffffffff, 0x100,
618 	0x9490, 0xffffffff, 0x1,
619 	0x949c, 0xffffffff, 0x100,
620 	0x9490, 0xffffffff, 0x2,
621 	0x949c, 0xffffffff, 0x100,
622 	0x9490, 0xffffffff, 0x3,
623 	0x949c, 0xffffffff, 0x100,
624 	0x9490, 0xffffffff, 0x4,
625 	0x949c, 0xffffffff, 0x100,
626 	0x9490, 0xffffffff, 0x5,
627 	0x949c, 0xffffffff, 0x100,
628 	0x9490, 0xffffffff, 0x6,
629 	0x949c, 0xffffffff, 0x100,
630 	0x9490, 0xffffffff, 0x7,
631 	0x949c, 0xffffffff, 0x100,
632 	0x9490, 0xffffffff, 0x8000,
633 	0x9604, 0xffffffff, 0x0,
634 	0x9654, 0xffffffff, 0x100,
635 	0x9604, 0xffffffff, 0x1,
636 	0x9654, 0xffffffff, 0x100,
637 	0x9604, 0xffffffff, 0x2,
638 	0x9654, 0xffffffff, 0x100,
639 	0x9604, 0xffffffff, 0x3,
640 	0x9654, 0xffffffff, 0x100,
641 	0x9604, 0xffffffff, 0x4,
642 	0x9654, 0xffffffff, 0x100,
643 	0x9604, 0xffffffff, 0x5,
644 	0x9654, 0xffffffff, 0x100,
645 	0x9604, 0xffffffff, 0x6,
646 	0x9654, 0xffffffff, 0x100,
647 	0x9604, 0xffffffff, 0x7,
648 	0x9654, 0xffffffff, 0x100,
649 	0x9604, 0xffffffff, 0x80000000,
650 	0x9030, 0xffffffff, 0x100,
651 	0x9034, 0xffffffff, 0x100,
652 	0x9038, 0xffffffff, 0x100,
653 	0x903c, 0xffffffff, 0x100,
654 	0x9040, 0xffffffff, 0x100,
655 	0xa200, 0xffffffff, 0x100,
656 	0xa204, 0xffffffff, 0x100,
657 	0xa208, 0xffffffff, 0x100,
658 	0xa20c, 0xffffffff, 0x100,
659 	0x971c, 0xffffffff, 0x100,
660 	0x915c, 0xffffffff, 0x00020001,
661 	0x9160, 0xffffffff, 0x00040003,
662 	0x916c, 0xffffffff, 0x00060005,
663 	0x9170, 0xffffffff, 0x00080007,
664 	0x9174, 0xffffffff, 0x000a0009,
665 	0x9178, 0xffffffff, 0x000c000b,
666 	0x917c, 0xffffffff, 0x000e000d,
667 	0x9180, 0xffffffff, 0x0010000f,
668 	0x918c, 0xffffffff, 0x00120011,
669 	0x9190, 0xffffffff, 0x00140013,
670 	0x9194, 0xffffffff, 0x00020001,
671 	0x9198, 0xffffffff, 0x00040003,
672 	0x919c, 0xffffffff, 0x00060005,
673 	0x91a8, 0xffffffff, 0x00080007,
674 	0x91ac, 0xffffffff, 0x000a0009,
675 	0x91b0, 0xffffffff, 0x000c000b,
676 	0x91b4, 0xffffffff, 0x000e000d,
677 	0x91b8, 0xffffffff, 0x0010000f,
678 	0x91c4, 0xffffffff, 0x00120011,
679 	0x91c8, 0xffffffff, 0x00140013,
680 	0x91cc, 0xffffffff, 0x00020001,
681 	0x91d0, 0xffffffff, 0x00040003,
682 	0x91d4, 0xffffffff, 0x00060005,
683 	0x91e0, 0xffffffff, 0x00080007,
684 	0x91e4, 0xffffffff, 0x000a0009,
685 	0x91e8, 0xffffffff, 0x000c000b,
686 	0x91ec, 0xffffffff, 0x00020001,
687 	0x91f0, 0xffffffff, 0x00040003,
688 	0x91f4, 0xffffffff, 0x00060005,
689 	0x9200, 0xffffffff, 0x00080007,
690 	0x9204, 0xffffffff, 0x000a0009,
691 	0x9208, 0xffffffff, 0x000c000b,
692 	0x920c, 0xffffffff, 0x000e000d,
693 	0x9210, 0xffffffff, 0x0010000f,
694 	0x921c, 0xffffffff, 0x00120011,
695 	0x9220, 0xffffffff, 0x00140013,
696 	0x9224, 0xffffffff, 0x00020001,
697 	0x9228, 0xffffffff, 0x00040003,
698 	0x922c, 0xffffffff, 0x00060005,
699 	0x9238, 0xffffffff, 0x00080007,
700 	0x923c, 0xffffffff, 0x000a0009,
701 	0x9240, 0xffffffff, 0x000c000b,
702 	0x9244, 0xffffffff, 0x000e000d,
703 	0x9248, 0xffffffff, 0x0010000f,
704 	0x9254, 0xffffffff, 0x00120011,
705 	0x9258, 0xffffffff, 0x00140013,
706 	0x9294, 0xffffffff, 0x00020001,
707 	0x929c, 0xffffffff, 0x00040003,
708 	0x92a0, 0xffffffff, 0x00060005,
709 	0x92a4, 0xffffffff, 0x00080007
710 };
711 
712 static void rv770_init_golden_registers(struct radeon_device *rdev)
713 {
714 	switch (rdev->family) {
715 	case CHIP_RV770:
716 		radeon_program_register_sequence(rdev,
717 						 r7xx_golden_registers,
718 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
719 		radeon_program_register_sequence(rdev,
720 						 r7xx_golden_dyn_gpr_registers,
721 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
722 		if (rdev->pdev->device == 0x994e)
723 			radeon_program_register_sequence(rdev,
724 							 rv770ce_golden_registers,
725 							 (const u32)ARRAY_SIZE(rv770ce_golden_registers));
726 		else
727 			radeon_program_register_sequence(rdev,
728 							 rv770_golden_registers,
729 							 (const u32)ARRAY_SIZE(rv770_golden_registers));
730 		radeon_program_register_sequence(rdev,
731 						 rv770_mgcg_init,
732 						 (const u32)ARRAY_SIZE(rv770_mgcg_init));
733 		break;
734 	case CHIP_RV730:
735 		radeon_program_register_sequence(rdev,
736 						 r7xx_golden_registers,
737 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
738 		radeon_program_register_sequence(rdev,
739 						 r7xx_golden_dyn_gpr_registers,
740 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
741 		radeon_program_register_sequence(rdev,
742 						 rv730_golden_registers,
743 						 (const u32)ARRAY_SIZE(rv730_golden_registers));
744 		radeon_program_register_sequence(rdev,
745 						 rv730_mgcg_init,
746 						 (const u32)ARRAY_SIZE(rv730_mgcg_init));
747 		break;
748 	case CHIP_RV710:
749 		radeon_program_register_sequence(rdev,
750 						 r7xx_golden_registers,
751 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
752 		radeon_program_register_sequence(rdev,
753 						 r7xx_golden_dyn_gpr_registers,
754 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
755 		radeon_program_register_sequence(rdev,
756 						 rv710_golden_registers,
757 						 (const u32)ARRAY_SIZE(rv710_golden_registers));
758 		radeon_program_register_sequence(rdev,
759 						 rv710_mgcg_init,
760 						 (const u32)ARRAY_SIZE(rv710_mgcg_init));
761 		break;
762 	case CHIP_RV740:
763 		radeon_program_register_sequence(rdev,
764 						 rv740_golden_registers,
765 						 (const u32)ARRAY_SIZE(rv740_golden_registers));
766 		radeon_program_register_sequence(rdev,
767 						 rv740_mgcg_init,
768 						 (const u32)ARRAY_SIZE(rv740_mgcg_init));
769 		break;
770 	default:
771 		break;
772 	}
773 }
774 
775 #define PCIE_BUS_CLK                10000
776 #define TCLK                        (PCIE_BUS_CLK / 10)
777 
778 /**
779  * rv770_get_xclk - get the xclk
780  *
781  * @rdev: radeon_device pointer
782  *
783  * Returns the reference clock used by the gfx engine
784  * (r7xx-cayman).
785  */
786 u32 rv770_get_xclk(struct radeon_device *rdev)
787 {
788 	u32 reference_clock = rdev->clock.spll.reference_freq;
789 	u32 tmp = RREG32(CG_CLKPIN_CNTL);
790 
791 	if (tmp & MUX_TCLK_TO_XCLK)
792 		return TCLK;
793 
794 	if (tmp & XTALIN_DIVIDE)
795 		return reference_clock / 4;
796 
797 	return reference_clock;
798 }
799 
800 void rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
801 {
802 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
803 	struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
804 	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
805 	int i;
806 
807 	/* Lock the graphics update lock */
808 	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
809 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
810 
811 	/* flip at hsync for async, default is vsync */
812 	WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
813 	       async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
814 	/* update pitch */
815 	WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset,
816 	       fb->pitches[0] / fb->format->cpp[0]);
817 	/* update the scanout addresses */
818 	if (radeon_crtc->crtc_id) {
819 		WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
820 		WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
821 	} else {
822 		WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
823 		WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
824 	}
825 	WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
826 	       (u32)crtc_base);
827 	WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
828 	       (u32)crtc_base);
829 
830 	/* Wait for update_pending to go high. */
831 	for (i = 0; i < rdev->usec_timeout; i++) {
832 		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
833 			break;
834 		udelay(1);
835 	}
836 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
837 
838 	/* Unlock the lock, so double-buffering can take place inside vblank */
839 	tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
840 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
841 }
842 
843 bool rv770_page_flip_pending(struct radeon_device *rdev, int crtc_id)
844 {
845 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
846 
847 	/* Return current update_pending status: */
848 	return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) &
849 		AVIVO_D1GRPH_SURFACE_UPDATE_PENDING);
850 }
851 
852 /* get temperature in millidegrees */
853 int rv770_get_temp(struct radeon_device *rdev)
854 {
855 	u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
856 		ASIC_T_SHIFT;
857 	int actual_temp;
858 
859 	if (temp & 0x400)
860 		actual_temp = -256;
861 	else if (temp & 0x200)
862 		actual_temp = 255;
863 	else if (temp & 0x100) {
864 		actual_temp = temp & 0x1ff;
865 		actual_temp |= ~0x1ff;
866 	} else
867 		actual_temp = temp & 0xff;
868 
869 	return (actual_temp * 1000) / 2;
870 }
871 
872 void rv770_pm_misc(struct radeon_device *rdev)
873 {
874 	int req_ps_idx = rdev->pm.requested_power_state_index;
875 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
876 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
877 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
878 
879 	if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
880 		/* 0xff01 is a flag rather then an actual voltage */
881 		if (voltage->voltage == 0xff01)
882 			return;
883 		if (voltage->voltage != rdev->pm.current_vddc) {
884 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
885 			rdev->pm.current_vddc = voltage->voltage;
886 			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
887 		}
888 	}
889 }
890 
891 /*
892  * GART
893  */
894 static int rv770_pcie_gart_enable(struct radeon_device *rdev)
895 {
896 	u32 tmp;
897 	int r, i;
898 
899 	if (rdev->gart.robj == NULL) {
900 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
901 		return -EINVAL;
902 	}
903 	r = radeon_gart_table_vram_pin(rdev);
904 	if (r)
905 		return r;
906 	/* Setup L2 cache */
907 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
908 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
909 				EFFECTIVE_L2_QUEUE_SIZE(7));
910 	WREG32(VM_L2_CNTL2, 0);
911 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
912 	/* Setup TLB control */
913 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
914 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
915 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
916 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
917 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
918 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
919 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
920 	if (rdev->family == CHIP_RV740)
921 		WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
922 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
923 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
924 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
925 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
926 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
927 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
928 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
929 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
930 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
931 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
932 			(u32)(rdev->dummy_page.addr >> 12));
933 	for (i = 1; i < 7; i++)
934 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
935 
936 	r600_pcie_gart_tlb_flush(rdev);
937 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
938 		 (unsigned)(rdev->mc.gtt_size >> 20),
939 		 (unsigned long long)rdev->gart.table_addr);
940 	rdev->gart.ready = true;
941 	return 0;
942 }
943 
944 static void rv770_pcie_gart_disable(struct radeon_device *rdev)
945 {
946 	u32 tmp;
947 	int i;
948 
949 	/* Disable all tables */
950 	for (i = 0; i < 7; i++)
951 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
952 
953 	/* Setup L2 cache */
954 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
955 				EFFECTIVE_L2_QUEUE_SIZE(7));
956 	WREG32(VM_L2_CNTL2, 0);
957 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
958 	/* Setup TLB control */
959 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
960 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
961 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
962 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
963 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
964 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
965 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
966 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
967 	radeon_gart_table_vram_unpin(rdev);
968 }
969 
970 static void rv770_pcie_gart_fini(struct radeon_device *rdev)
971 {
972 	radeon_gart_fini(rdev);
973 	rv770_pcie_gart_disable(rdev);
974 	radeon_gart_table_vram_free(rdev);
975 }
976 
977 
978 static void rv770_agp_enable(struct radeon_device *rdev)
979 {
980 	u32 tmp;
981 	int i;
982 
983 	/* Setup L2 cache */
984 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
985 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
986 				EFFECTIVE_L2_QUEUE_SIZE(7));
987 	WREG32(VM_L2_CNTL2, 0);
988 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
989 	/* Setup TLB control */
990 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
991 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
992 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
993 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
994 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
995 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
996 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
997 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
998 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
999 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1000 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1001 	for (i = 0; i < 7; i++)
1002 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1003 }
1004 
1005 static void rv770_mc_program(struct radeon_device *rdev)
1006 {
1007 	struct rv515_mc_save save;
1008 	u32 tmp;
1009 	int i, j;
1010 
1011 	/* Initialize HDP */
1012 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1013 		WREG32((0x2c14 + j), 0x00000000);
1014 		WREG32((0x2c18 + j), 0x00000000);
1015 		WREG32((0x2c1c + j), 0x00000000);
1016 		WREG32((0x2c20 + j), 0x00000000);
1017 		WREG32((0x2c24 + j), 0x00000000);
1018 	}
1019 	/* r7xx hw bug.  Read from HDP_DEBUG1 rather
1020 	 * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
1021 	 */
1022 	tmp = RREG32(HDP_DEBUG1);
1023 
1024 	rv515_mc_stop(rdev, &save);
1025 	if (r600_mc_wait_for_idle(rdev)) {
1026 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1027 	}
1028 	/* Lockout access through VGA aperture*/
1029 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1030 	/* Update configuration */
1031 	if (rdev->flags & RADEON_IS_AGP) {
1032 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1033 			/* VRAM before AGP */
1034 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1035 				rdev->mc.vram_start >> 12);
1036 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1037 				rdev->mc.gtt_end >> 12);
1038 		} else {
1039 			/* VRAM after AGP */
1040 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1041 				rdev->mc.gtt_start >> 12);
1042 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1043 				rdev->mc.vram_end >> 12);
1044 		}
1045 	} else {
1046 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1047 			rdev->mc.vram_start >> 12);
1048 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1049 			rdev->mc.vram_end >> 12);
1050 	}
1051 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1052 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1053 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1054 	WREG32(MC_VM_FB_LOCATION, tmp);
1055 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1056 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1057 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1058 	if (rdev->flags & RADEON_IS_AGP) {
1059 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1060 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1061 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1062 	} else {
1063 		WREG32(MC_VM_AGP_BASE, 0);
1064 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1065 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1066 	}
1067 	if (r600_mc_wait_for_idle(rdev)) {
1068 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1069 	}
1070 	rv515_mc_resume(rdev, &save);
1071 	/* we need to own VRAM, so turn off the VGA renderer here
1072 	 * to stop it overwriting our objects */
1073 	rv515_vga_render_disable(rdev);
1074 }
1075 
1076 
1077 /*
1078  * CP.
1079  */
1080 void r700_cp_stop(struct radeon_device *rdev)
1081 {
1082 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1083 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1084 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1085 	WREG32(SCRATCH_UMSK, 0);
1086 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1087 }
1088 
1089 static int rv770_cp_load_microcode(struct radeon_device *rdev)
1090 {
1091 	const __be32 *fw_data;
1092 	int i;
1093 
1094 	if (!rdev->me_fw || !rdev->pfp_fw)
1095 		return -EINVAL;
1096 
1097 	r700_cp_stop(rdev);
1098 	WREG32(CP_RB_CNTL,
1099 #ifdef __BIG_ENDIAN
1100 	       BUF_SWAP_32BIT |
1101 #endif
1102 	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1103 
1104 	/* Reset cp */
1105 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
1106 	RREG32(GRBM_SOFT_RESET);
1107 	mdelay(15);
1108 	WREG32(GRBM_SOFT_RESET, 0);
1109 
1110 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1111 	WREG32(CP_PFP_UCODE_ADDR, 0);
1112 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
1113 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1114 	WREG32(CP_PFP_UCODE_ADDR, 0);
1115 
1116 	fw_data = (const __be32 *)rdev->me_fw->data;
1117 	WREG32(CP_ME_RAM_WADDR, 0);
1118 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
1119 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1120 
1121 	WREG32(CP_PFP_UCODE_ADDR, 0);
1122 	WREG32(CP_ME_RAM_WADDR, 0);
1123 	WREG32(CP_ME_RAM_RADDR, 0);
1124 	return 0;
1125 }
1126 
1127 void r700_cp_fini(struct radeon_device *rdev)
1128 {
1129 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1130 	r700_cp_stop(rdev);
1131 	radeon_ring_fini(rdev, ring);
1132 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1133 }
1134 
1135 void rv770_set_clk_bypass_mode(struct radeon_device *rdev)
1136 {
1137 	u32 tmp, i;
1138 
1139 	if (rdev->flags & RADEON_IS_IGP)
1140 		return;
1141 
1142 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
1143 	tmp &= SCLK_MUX_SEL_MASK;
1144 	tmp |= SCLK_MUX_SEL(1) | SCLK_MUX_UPDATE;
1145 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1146 
1147 	for (i = 0; i < rdev->usec_timeout; i++) {
1148 		if (RREG32(CG_SPLL_STATUS) & SPLL_CHG_STATUS)
1149 			break;
1150 		udelay(1);
1151 	}
1152 
1153 	tmp &= ~SCLK_MUX_UPDATE;
1154 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1155 
1156 	tmp = RREG32(MPLL_CNTL_MODE);
1157 	if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730))
1158 		tmp &= ~RV730_MPLL_MCLK_SEL;
1159 	else
1160 		tmp &= ~MPLL_MCLK_SEL;
1161 	WREG32(MPLL_CNTL_MODE, tmp);
1162 }
1163 
1164 /*
1165  * Core functions
1166  */
1167 static void rv770_gpu_init(struct radeon_device *rdev)
1168 {
1169 	int i, j, num_qd_pipes;
1170 	u32 ta_aux_cntl;
1171 	u32 sx_debug_1;
1172 	u32 smx_dc_ctl0;
1173 	u32 db_debug3;
1174 	u32 num_gs_verts_per_thread;
1175 	u32 vgt_gs_per_es;
1176 	u32 gs_prim_buffer_depth = 0;
1177 	u32 sq_ms_fifo_sizes;
1178 	u32 sq_config;
1179 	u32 sq_thread_resource_mgmt;
1180 	u32 hdp_host_path_cntl;
1181 	u32 sq_dyn_gpr_size_simd_ab_0;
1182 	u32 gb_tiling_config = 0;
1183 	u32 cc_gc_shader_pipe_config = 0;
1184 	u32 mc_arb_ramcfg;
1185 	u32 db_debug4, tmp;
1186 	u32 inactive_pipes, shader_pipe_config;
1187 	u32 disabled_rb_mask;
1188 	unsigned active_number;
1189 
1190 	/* setup chip specs */
1191 	rdev->config.rv770.tiling_group_size = 256;
1192 	switch (rdev->family) {
1193 	case CHIP_RV770:
1194 		rdev->config.rv770.max_pipes = 4;
1195 		rdev->config.rv770.max_tile_pipes = 8;
1196 		rdev->config.rv770.max_simds = 10;
1197 		rdev->config.rv770.max_backends = 4;
1198 		rdev->config.rv770.max_gprs = 256;
1199 		rdev->config.rv770.max_threads = 248;
1200 		rdev->config.rv770.max_stack_entries = 512;
1201 		rdev->config.rv770.max_hw_contexts = 8;
1202 		rdev->config.rv770.max_gs_threads = 16 * 2;
1203 		rdev->config.rv770.sx_max_export_size = 128;
1204 		rdev->config.rv770.sx_max_export_pos_size = 16;
1205 		rdev->config.rv770.sx_max_export_smx_size = 112;
1206 		rdev->config.rv770.sq_num_cf_insts = 2;
1207 
1208 		rdev->config.rv770.sx_num_of_sets = 7;
1209 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
1210 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1211 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1212 		break;
1213 	case CHIP_RV730:
1214 		rdev->config.rv770.max_pipes = 2;
1215 		rdev->config.rv770.max_tile_pipes = 4;
1216 		rdev->config.rv770.max_simds = 8;
1217 		rdev->config.rv770.max_backends = 2;
1218 		rdev->config.rv770.max_gprs = 128;
1219 		rdev->config.rv770.max_threads = 248;
1220 		rdev->config.rv770.max_stack_entries = 256;
1221 		rdev->config.rv770.max_hw_contexts = 8;
1222 		rdev->config.rv770.max_gs_threads = 16 * 2;
1223 		rdev->config.rv770.sx_max_export_size = 256;
1224 		rdev->config.rv770.sx_max_export_pos_size = 32;
1225 		rdev->config.rv770.sx_max_export_smx_size = 224;
1226 		rdev->config.rv770.sq_num_cf_insts = 2;
1227 
1228 		rdev->config.rv770.sx_num_of_sets = 7;
1229 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
1230 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1231 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1232 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1233 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1234 			rdev->config.rv770.sx_max_export_smx_size += 16;
1235 		}
1236 		break;
1237 	case CHIP_RV710:
1238 		rdev->config.rv770.max_pipes = 2;
1239 		rdev->config.rv770.max_tile_pipes = 2;
1240 		rdev->config.rv770.max_simds = 2;
1241 		rdev->config.rv770.max_backends = 1;
1242 		rdev->config.rv770.max_gprs = 256;
1243 		rdev->config.rv770.max_threads = 192;
1244 		rdev->config.rv770.max_stack_entries = 256;
1245 		rdev->config.rv770.max_hw_contexts = 4;
1246 		rdev->config.rv770.max_gs_threads = 8 * 2;
1247 		rdev->config.rv770.sx_max_export_size = 128;
1248 		rdev->config.rv770.sx_max_export_pos_size = 16;
1249 		rdev->config.rv770.sx_max_export_smx_size = 112;
1250 		rdev->config.rv770.sq_num_cf_insts = 1;
1251 
1252 		rdev->config.rv770.sx_num_of_sets = 7;
1253 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
1254 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1255 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1256 		break;
1257 	case CHIP_RV740:
1258 		rdev->config.rv770.max_pipes = 4;
1259 		rdev->config.rv770.max_tile_pipes = 4;
1260 		rdev->config.rv770.max_simds = 8;
1261 		rdev->config.rv770.max_backends = 4;
1262 		rdev->config.rv770.max_gprs = 256;
1263 		rdev->config.rv770.max_threads = 248;
1264 		rdev->config.rv770.max_stack_entries = 512;
1265 		rdev->config.rv770.max_hw_contexts = 8;
1266 		rdev->config.rv770.max_gs_threads = 16 * 2;
1267 		rdev->config.rv770.sx_max_export_size = 256;
1268 		rdev->config.rv770.sx_max_export_pos_size = 32;
1269 		rdev->config.rv770.sx_max_export_smx_size = 224;
1270 		rdev->config.rv770.sq_num_cf_insts = 2;
1271 
1272 		rdev->config.rv770.sx_num_of_sets = 7;
1273 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
1274 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1275 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1276 
1277 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1278 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1279 			rdev->config.rv770.sx_max_export_smx_size += 16;
1280 		}
1281 		break;
1282 	default:
1283 		break;
1284 	}
1285 
1286 	/* Initialize HDP */
1287 	j = 0;
1288 	for (i = 0; i < 32; i++) {
1289 		WREG32((0x2c14 + j), 0x00000000);
1290 		WREG32((0x2c18 + j), 0x00000000);
1291 		WREG32((0x2c1c + j), 0x00000000);
1292 		WREG32((0x2c20 + j), 0x00000000);
1293 		WREG32((0x2c24 + j), 0x00000000);
1294 		j += 0x18;
1295 	}
1296 
1297 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1298 
1299 	/* setup tiling, simd, pipe config */
1300 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1301 
1302 	shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
1303 	inactive_pipes = (shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
1304 	for (i = 0, tmp = 1, active_number = 0; i < R7XX_MAX_PIPES; i++) {
1305 		if (!(inactive_pipes & tmp)) {
1306 			active_number++;
1307 		}
1308 		tmp <<= 1;
1309 	}
1310 	if (active_number == 1) {
1311 		WREG32(SPI_CONFIG_CNTL, DISABLE_INTERP_1);
1312 	} else {
1313 		WREG32(SPI_CONFIG_CNTL, 0);
1314 	}
1315 
1316 	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1317 	tmp = rdev->config.rv770.max_simds -
1318 		r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
1319 	rdev->config.rv770.active_simds = tmp;
1320 
1321 	switch (rdev->config.rv770.max_tile_pipes) {
1322 	case 1:
1323 	default:
1324 		gb_tiling_config = PIPE_TILING(0);
1325 		break;
1326 	case 2:
1327 		gb_tiling_config = PIPE_TILING(1);
1328 		break;
1329 	case 4:
1330 		gb_tiling_config = PIPE_TILING(2);
1331 		break;
1332 	case 8:
1333 		gb_tiling_config = PIPE_TILING(3);
1334 		break;
1335 	}
1336 	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
1337 
1338 	disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK;
1339 	tmp = 0;
1340 	for (i = 0; i < rdev->config.rv770.max_backends; i++)
1341 		tmp |= (1 << i);
1342 	/* if all the backends are disabled, fix it up here */
1343 	if ((disabled_rb_mask & tmp) == tmp) {
1344 		for (i = 0; i < rdev->config.rv770.max_backends; i++)
1345 			disabled_rb_mask &= ~(1 << i);
1346 	}
1347 	tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
1348 	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends,
1349 					R7XX_MAX_BACKENDS, disabled_rb_mask);
1350 	gb_tiling_config |= tmp << 16;
1351 	rdev->config.rv770.backend_map = tmp;
1352 
1353 	if (rdev->family == CHIP_RV770)
1354 		gb_tiling_config |= BANK_TILING(1);
1355 	else {
1356 		if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
1357 			gb_tiling_config |= BANK_TILING(1);
1358 		else
1359 			gb_tiling_config |= BANK_TILING(0);
1360 	}
1361 	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
1362 	gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1363 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
1364 		gb_tiling_config |= ROW_TILING(3);
1365 		gb_tiling_config |= SAMPLE_SPLIT(3);
1366 	} else {
1367 		gb_tiling_config |=
1368 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1369 		gb_tiling_config |=
1370 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1371 	}
1372 
1373 	gb_tiling_config |= BANK_SWAPS(1);
1374 	rdev->config.rv770.tile_config = gb_tiling_config;
1375 
1376 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
1377 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1378 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1379 	WREG32(DMA_TILING_CONFIG, (gb_tiling_config & 0xffff));
1380 	WREG32(DMA_TILING_CONFIG2, (gb_tiling_config & 0xffff));
1381 	if (rdev->family == CHIP_RV730) {
1382 		WREG32(UVD_UDEC_DB_TILING_CONFIG, (gb_tiling_config & 0xffff));
1383 		WREG32(UVD_UDEC_DBW_TILING_CONFIG, (gb_tiling_config & 0xffff));
1384 		WREG32(UVD_UDEC_TILING_CONFIG, (gb_tiling_config & 0xffff));
1385 	}
1386 
1387 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
1388 	WREG32(CGTS_TCC_DISABLE, 0);
1389 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1390 	WREG32(CGTS_USER_TCC_DISABLE, 0);
1391 
1392 
1393 	num_qd_pipes = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1394 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
1395 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1396 
1397 	/* set HW defaults for 3D engine */
1398 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1399 				     ROQ_IB2_START(0x2b)));
1400 
1401 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1402 
1403 	ta_aux_cntl = RREG32(TA_CNTL_AUX);
1404 	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
1405 
1406 	sx_debug_1 = RREG32(SX_DEBUG_1);
1407 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1408 	WREG32(SX_DEBUG_1, sx_debug_1);
1409 
1410 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1411 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
1412 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
1413 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1414 
1415 	if (rdev->family != CHIP_RV740)
1416 		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
1417 				       GS_FLUSH_CTL(4) |
1418 				       ACK_FLUSH_CTL(3) |
1419 				       SYNC_FLUSH_CTL));
1420 
1421 	if (rdev->family != CHIP_RV770)
1422 		WREG32(SMX_SAR_CTL0, 0x00003f3f);
1423 
1424 	db_debug3 = RREG32(DB_DEBUG3);
1425 	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
1426 	switch (rdev->family) {
1427 	case CHIP_RV770:
1428 	case CHIP_RV740:
1429 		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
1430 		break;
1431 	case CHIP_RV710:
1432 	case CHIP_RV730:
1433 	default:
1434 		db_debug3 |= DB_CLK_OFF_DELAY(2);
1435 		break;
1436 	}
1437 	WREG32(DB_DEBUG3, db_debug3);
1438 
1439 	if (rdev->family != CHIP_RV770) {
1440 		db_debug4 = RREG32(DB_DEBUG4);
1441 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
1442 		WREG32(DB_DEBUG4, db_debug4);
1443 	}
1444 
1445 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
1446 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
1447 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
1448 
1449 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
1450 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
1451 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
1452 
1453 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1454 
1455 	WREG32(VGT_NUM_INSTANCES, 1);
1456 
1457 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1458 
1459 	WREG32(CP_PERFMON_CNTL, 0);
1460 
1461 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
1462 			    DONE_FIFO_HIWATER(0xe0) |
1463 			    ALU_UPDATE_FIFO_HIWATER(0x8));
1464 	switch (rdev->family) {
1465 	case CHIP_RV770:
1466 	case CHIP_RV730:
1467 	case CHIP_RV710:
1468 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
1469 		break;
1470 	case CHIP_RV740:
1471 	default:
1472 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
1473 		break;
1474 	}
1475 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
1476 
1477 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1478 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1479 	 */
1480 	sq_config = RREG32(SQ_CONFIG);
1481 	sq_config &= ~(PS_PRIO(3) |
1482 		       VS_PRIO(3) |
1483 		       GS_PRIO(3) |
1484 		       ES_PRIO(3));
1485 	sq_config |= (DX9_CONSTS |
1486 		      VC_ENABLE |
1487 		      EXPORT_SRC_C |
1488 		      PS_PRIO(0) |
1489 		      VS_PRIO(1) |
1490 		      GS_PRIO(2) |
1491 		      ES_PRIO(3));
1492 	if (rdev->family == CHIP_RV710)
1493 		/* no vertex cache */
1494 		sq_config &= ~VC_ENABLE;
1495 
1496 	WREG32(SQ_CONFIG, sq_config);
1497 
1498 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1499 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1500 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
1501 
1502 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
1503 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
1504 
1505 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
1506 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
1507 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
1508 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
1509 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
1510 	else
1511 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
1512 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1513 
1514 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1515 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1516 
1517 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1518 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1519 
1520 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1521 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
1522 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1523 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
1524 
1525 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
1526 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
1527 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
1528 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
1529 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
1530 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
1531 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
1532 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
1533 
1534 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1535 					  FORCE_EOV_MAX_REZ_CNT(255)));
1536 
1537 	if (rdev->family == CHIP_RV710)
1538 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
1539 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1540 	else
1541 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
1542 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1543 
1544 	switch (rdev->family) {
1545 	case CHIP_RV770:
1546 	case CHIP_RV730:
1547 	case CHIP_RV740:
1548 		gs_prim_buffer_depth = 384;
1549 		break;
1550 	case CHIP_RV710:
1551 		gs_prim_buffer_depth = 128;
1552 		break;
1553 	default:
1554 		break;
1555 	}
1556 
1557 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
1558 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1559 	/* Max value for this is 256 */
1560 	if (vgt_gs_per_es > 256)
1561 		vgt_gs_per_es = 256;
1562 
1563 	WREG32(VGT_ES_PER_GS, 128);
1564 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
1565 	WREG32(VGT_GS_PER_VS, 2);
1566 
1567 	/* more default values. 2D/3D driver should adjust as needed */
1568 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1569 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1570 	WREG32(VGT_STRMOUT_EN, 0);
1571 	WREG32(SX_MISC, 0);
1572 	WREG32(PA_SC_MODE_CNTL, 0);
1573 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
1574 	WREG32(PA_SC_AA_CONFIG, 0);
1575 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
1576 	WREG32(PA_SC_LINE_STIPPLE, 0);
1577 	WREG32(SPI_INPUT_Z, 0);
1578 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1579 	WREG32(CB_COLOR7_FRAG, 0);
1580 
1581 	/* clear render buffer base addresses */
1582 	WREG32(CB_COLOR0_BASE, 0);
1583 	WREG32(CB_COLOR1_BASE, 0);
1584 	WREG32(CB_COLOR2_BASE, 0);
1585 	WREG32(CB_COLOR3_BASE, 0);
1586 	WREG32(CB_COLOR4_BASE, 0);
1587 	WREG32(CB_COLOR5_BASE, 0);
1588 	WREG32(CB_COLOR6_BASE, 0);
1589 	WREG32(CB_COLOR7_BASE, 0);
1590 
1591 	WREG32(TCP_CNTL, 0);
1592 
1593 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1594 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1595 
1596 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1597 
1598 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1599 					  NUM_CLIP_SEQ(3)));
1600 	WREG32(VC_ENHANCE, 0);
1601 }
1602 
1603 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1604 {
1605 	u64 size_bf, size_af;
1606 
1607 	if (mc->mc_vram_size > 0xE0000000) {
1608 		/* leave room for at least 512M GTT */
1609 		dev_warn(rdev->dev, "limiting VRAM\n");
1610 		mc->real_vram_size = 0xE0000000;
1611 		mc->mc_vram_size = 0xE0000000;
1612 	}
1613 	if (rdev->flags & RADEON_IS_AGP) {
1614 		size_bf = mc->gtt_start;
1615 		size_af = mc->mc_mask - mc->gtt_end;
1616 		if (size_bf > size_af) {
1617 			if (mc->mc_vram_size > size_bf) {
1618 				dev_warn(rdev->dev, "limiting VRAM\n");
1619 				mc->real_vram_size = size_bf;
1620 				mc->mc_vram_size = size_bf;
1621 			}
1622 			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1623 		} else {
1624 			if (mc->mc_vram_size > size_af) {
1625 				dev_warn(rdev->dev, "limiting VRAM\n");
1626 				mc->real_vram_size = size_af;
1627 				mc->mc_vram_size = size_af;
1628 			}
1629 			mc->vram_start = mc->gtt_end + 1;
1630 		}
1631 		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1632 		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1633 				mc->mc_vram_size >> 20, mc->vram_start,
1634 				mc->vram_end, mc->real_vram_size >> 20);
1635 	} else {
1636 		radeon_vram_location(rdev, &rdev->mc, 0);
1637 		rdev->mc.gtt_base_align = 0;
1638 		radeon_gtt_location(rdev, mc);
1639 	}
1640 }
1641 
1642 static int rv770_mc_init(struct radeon_device *rdev)
1643 {
1644 	u32 tmp;
1645 	int chansize, numchan;
1646 
1647 	/* Get VRAM informations */
1648 	rdev->mc.vram_is_ddr = true;
1649 	tmp = RREG32(MC_ARB_RAMCFG);
1650 	if (tmp & CHANSIZE_OVERRIDE) {
1651 		chansize = 16;
1652 	} else if (tmp & CHANSIZE_MASK) {
1653 		chansize = 64;
1654 	} else {
1655 		chansize = 32;
1656 	}
1657 	tmp = RREG32(MC_SHARED_CHMAP);
1658 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1659 	case 0:
1660 	default:
1661 		numchan = 1;
1662 		break;
1663 	case 1:
1664 		numchan = 2;
1665 		break;
1666 	case 2:
1667 		numchan = 4;
1668 		break;
1669 	case 3:
1670 		numchan = 8;
1671 		break;
1672 	}
1673 	rdev->mc.vram_width = numchan * chansize;
1674 	/* Could aper size report 0 ? */
1675 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1676 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1677 	/* Setup GPU memory space */
1678 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1679 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1680 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
1681 	r700_vram_gtt_location(rdev, &rdev->mc);
1682 	radeon_update_bandwidth_info(rdev);
1683 
1684 	return 0;
1685 }
1686 
1687 static void rv770_uvd_init(struct radeon_device *rdev)
1688 {
1689 	int r;
1690 
1691 	if (!rdev->has_uvd)
1692 		return;
1693 
1694 	r = radeon_uvd_init(rdev);
1695 	if (r) {
1696 		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
1697 		/*
1698 		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
1699 		 * to early fails uvd_v2_2_resume() and thus nothing happens
1700 		 * there. So it is pointless to try to go through that code
1701 		 * hence why we disable uvd here.
1702 		 */
1703 		rdev->has_uvd = false;
1704 		return;
1705 	}
1706 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
1707 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
1708 }
1709 
1710 static void rv770_uvd_start(struct radeon_device *rdev)
1711 {
1712 	int r;
1713 
1714 	if (!rdev->has_uvd)
1715 		return;
1716 
1717 	r = uvd_v2_2_resume(rdev);
1718 	if (r) {
1719 		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
1720 		goto error;
1721 	}
1722 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
1723 	if (r) {
1724 		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
1725 		goto error;
1726 	}
1727 	return;
1728 
1729 error:
1730 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
1731 }
1732 
1733 static void rv770_uvd_resume(struct radeon_device *rdev)
1734 {
1735 	struct radeon_ring *ring;
1736 	int r;
1737 
1738 	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
1739 		return;
1740 
1741 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
1742 	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
1743 	if (r) {
1744 		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
1745 		return;
1746 	}
1747 	r = uvd_v1_0_init(rdev);
1748 	if (r) {
1749 		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
1750 		return;
1751 	}
1752 }
1753 
1754 static int rv770_startup(struct radeon_device *rdev)
1755 {
1756 	struct radeon_ring *ring;
1757 	int r;
1758 
1759 	/* enable pcie gen2 link */
1760 	rv770_pcie_gen2_enable(rdev);
1761 
1762 	/* scratch needs to be initialized before MC */
1763 	r = r600_vram_scratch_init(rdev);
1764 	if (r)
1765 		return r;
1766 
1767 	rv770_mc_program(rdev);
1768 
1769 	if (rdev->flags & RADEON_IS_AGP) {
1770 		rv770_agp_enable(rdev);
1771 	} else {
1772 		r = rv770_pcie_gart_enable(rdev);
1773 		if (r)
1774 			return r;
1775 	}
1776 
1777 	rv770_gpu_init(rdev);
1778 
1779 	/* allocate wb buffer */
1780 	r = radeon_wb_init(rdev);
1781 	if (r)
1782 		return r;
1783 
1784 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1785 	if (r) {
1786 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1787 		return r;
1788 	}
1789 
1790 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
1791 	if (r) {
1792 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
1793 		return r;
1794 	}
1795 
1796 	rv770_uvd_start(rdev);
1797 
1798 	/* Enable IRQ */
1799 	if (!rdev->irq.installed) {
1800 		r = radeon_irq_kms_init(rdev);
1801 		if (r)
1802 			return r;
1803 	}
1804 
1805 	r = r600_irq_init(rdev);
1806 	if (r) {
1807 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
1808 		radeon_irq_kms_fini(rdev);
1809 		return r;
1810 	}
1811 	r600_irq_set(rdev);
1812 
1813 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1814 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1815 			     RADEON_CP_PACKET2);
1816 	if (r)
1817 		return r;
1818 
1819 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
1820 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
1821 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
1822 	if (r)
1823 		return r;
1824 
1825 	r = rv770_cp_load_microcode(rdev);
1826 	if (r)
1827 		return r;
1828 	r = r600_cp_resume(rdev);
1829 	if (r)
1830 		return r;
1831 
1832 	r = r600_dma_resume(rdev);
1833 	if (r)
1834 		return r;
1835 
1836 	rv770_uvd_resume(rdev);
1837 
1838 	r = radeon_ib_pool_init(rdev);
1839 	if (r) {
1840 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1841 		return r;
1842 	}
1843 
1844 	r = radeon_audio_init(rdev);
1845 	if (r) {
1846 		DRM_ERROR("radeon: audio init failed\n");
1847 		return r;
1848 	}
1849 
1850 	return 0;
1851 }
1852 
1853 int rv770_resume(struct radeon_device *rdev)
1854 {
1855 	int r;
1856 
1857 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1858 	 * posting will perform necessary task to bring back GPU into good
1859 	 * shape.
1860 	 */
1861 	/* post card */
1862 	atom_asic_init(rdev->mode_info.atom_context);
1863 
1864 	/* init golden registers */
1865 	rv770_init_golden_registers(rdev);
1866 
1867 	if (rdev->pm.pm_method == PM_METHOD_DPM)
1868 		radeon_pm_resume(rdev);
1869 
1870 	rdev->accel_working = true;
1871 	r = rv770_startup(rdev);
1872 	if (r) {
1873 		DRM_ERROR("r600 startup failed on resume\n");
1874 		rdev->accel_working = false;
1875 		return r;
1876 	}
1877 
1878 	return r;
1879 
1880 }
1881 
1882 int rv770_suspend(struct radeon_device *rdev)
1883 {
1884 	radeon_pm_suspend(rdev);
1885 	radeon_audio_fini(rdev);
1886 	if (rdev->has_uvd) {
1887 		radeon_uvd_suspend(rdev);
1888 		uvd_v1_0_fini(rdev);
1889 	}
1890 	r700_cp_stop(rdev);
1891 	r600_dma_stop(rdev);
1892 	r600_irq_suspend(rdev);
1893 	radeon_wb_disable(rdev);
1894 	rv770_pcie_gart_disable(rdev);
1895 
1896 	return 0;
1897 }
1898 
1899 /* Plan is to move initialization in that function and use
1900  * helper function so that radeon_device_init pretty much
1901  * do nothing more than calling asic specific function. This
1902  * should also allow to remove a bunch of callback function
1903  * like vram_info.
1904  */
1905 int rv770_init(struct radeon_device *rdev)
1906 {
1907 	int r;
1908 
1909 	/* Read BIOS */
1910 	if (!radeon_get_bios(rdev)) {
1911 		if (ASIC_IS_AVIVO(rdev))
1912 			return -EINVAL;
1913 	}
1914 	/* Must be an ATOMBIOS */
1915 	if (!rdev->is_atom_bios) {
1916 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1917 		return -EINVAL;
1918 	}
1919 	r = radeon_atombios_init(rdev);
1920 	if (r)
1921 		return r;
1922 	/* Post card if necessary */
1923 	if (!radeon_card_posted(rdev)) {
1924 		if (!rdev->bios) {
1925 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1926 			return -EINVAL;
1927 		}
1928 		DRM_INFO("GPU not posted. posting now...\n");
1929 		atom_asic_init(rdev->mode_info.atom_context);
1930 	}
1931 	/* init golden registers */
1932 	rv770_init_golden_registers(rdev);
1933 	/* Initialize scratch registers */
1934 	r600_scratch_init(rdev);
1935 	/* Initialize surface registers */
1936 	radeon_surface_init(rdev);
1937 	/* Initialize clocks */
1938 	radeon_get_clock_info(rdev_to_drm(rdev));
1939 	/* Fence driver */
1940 	radeon_fence_driver_init(rdev);
1941 	/* initialize AGP */
1942 	if (rdev->flags & RADEON_IS_AGP) {
1943 		r = radeon_agp_init(rdev);
1944 		if (r)
1945 			radeon_agp_disable(rdev);
1946 	}
1947 	r = rv770_mc_init(rdev);
1948 	if (r)
1949 		return r;
1950 	/* Memory manager */
1951 	r = radeon_bo_init(rdev);
1952 	if (r)
1953 		return r;
1954 
1955 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1956 		r = r600_init_microcode(rdev);
1957 		if (r) {
1958 			DRM_ERROR("Failed to load firmware!\n");
1959 			return r;
1960 		}
1961 	}
1962 
1963 	/* Initialize power management */
1964 	radeon_pm_init(rdev);
1965 
1966 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
1967 	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1968 
1969 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
1970 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
1971 
1972 	rv770_uvd_init(rdev);
1973 
1974 	rdev->ih.ring_obj = NULL;
1975 	r600_ih_ring_init(rdev, 64 * 1024);
1976 
1977 	r = r600_pcie_gart_init(rdev);
1978 	if (r)
1979 		return r;
1980 
1981 	rdev->accel_working = true;
1982 	r = rv770_startup(rdev);
1983 	if (r) {
1984 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1985 		r700_cp_fini(rdev);
1986 		r600_dma_fini(rdev);
1987 		r600_irq_fini(rdev);
1988 		radeon_wb_fini(rdev);
1989 		radeon_ib_pool_fini(rdev);
1990 		radeon_irq_kms_fini(rdev);
1991 		rv770_pcie_gart_fini(rdev);
1992 		rdev->accel_working = false;
1993 	}
1994 
1995 	return 0;
1996 }
1997 
1998 void rv770_fini(struct radeon_device *rdev)
1999 {
2000 	radeon_pm_fini(rdev);
2001 	r700_cp_fini(rdev);
2002 	r600_dma_fini(rdev);
2003 	r600_irq_fini(rdev);
2004 	radeon_wb_fini(rdev);
2005 	radeon_ib_pool_fini(rdev);
2006 	radeon_irq_kms_fini(rdev);
2007 	uvd_v1_0_fini(rdev);
2008 	radeon_uvd_fini(rdev);
2009 	rv770_pcie_gart_fini(rdev);
2010 	r600_vram_scratch_fini(rdev);
2011 	radeon_gem_fini(rdev);
2012 	radeon_fence_driver_fini(rdev);
2013 	radeon_agp_fini(rdev);
2014 	radeon_bo_fini(rdev);
2015 	radeon_atombios_fini(rdev);
2016 	kfree(rdev->bios);
2017 	rdev->bios = NULL;
2018 }
2019 
2020 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
2021 {
2022 	u32 link_width_cntl, lanes, speed_cntl, tmp;
2023 	u16 link_cntl2;
2024 
2025 	if (radeon_pcie_gen2 == 0)
2026 		return;
2027 
2028 	if (rdev->flags & RADEON_IS_IGP)
2029 		return;
2030 
2031 	if (!(rdev->flags & RADEON_IS_PCIE))
2032 		return;
2033 
2034 	/* x2 cards have a special sequence */
2035 	if (ASIC_IS_X2(rdev))
2036 		return;
2037 
2038 	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
2039 		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
2040 		return;
2041 
2042 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
2043 
2044 	/* advertise upconfig capability */
2045 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2046 	link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2047 	WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2048 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2049 	if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
2050 		lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
2051 		link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
2052 				     LC_RECONFIG_ARC_MISSING_ESCAPE);
2053 		link_width_cntl |= lanes | LC_RECONFIG_NOW |
2054 			LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
2055 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2056 	} else {
2057 		link_width_cntl |= LC_UPCONFIGURE_DIS;
2058 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2059 	}
2060 
2061 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2062 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
2063 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
2064 
2065 		tmp = RREG32(0x541c);
2066 		WREG32(0x541c, tmp | 0x8);
2067 		WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
2068 		link_cntl2 = RREG16(0x4088);
2069 		link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
2070 		link_cntl2 |= 0x2;
2071 		WREG16(0x4088, link_cntl2);
2072 		WREG32(MM_CFGREGS_CNTL, 0);
2073 
2074 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2075 		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
2076 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2077 
2078 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2079 		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
2080 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2081 
2082 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2083 		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
2084 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2085 
2086 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2087 		speed_cntl |= LC_GEN2_EN_STRAP;
2088 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2089 
2090 	} else {
2091 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2092 		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
2093 		if (1)
2094 			link_width_cntl |= LC_UPCONFIGURE_DIS;
2095 		else
2096 			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2097 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2098 	}
2099 }
2100