xref: /openbmc/linux/drivers/gpu/drm/radeon/rv770.c (revision dc6a81c3)
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 
36 #include "atom.h"
37 #include "avivod.h"
38 #include "radeon.h"
39 #include "radeon_asic.h"
40 #include "radeon_audio.h"
41 #include "rv770d.h"
42 
43 #define R700_PFP_UCODE_SIZE 848
44 #define R700_PM4_UCODE_SIZE 1360
45 
46 static void rv770_gpu_init(struct radeon_device *rdev);
47 void rv770_fini(struct radeon_device *rdev);
48 static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
49 int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk);
50 
51 int rv770_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
52 {
53 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
54 	int r;
55 
56 	/* RV740 uses evergreen uvd clk programming */
57 	if (rdev->family == CHIP_RV740)
58 		return evergreen_set_uvd_clocks(rdev, vclk, dclk);
59 
60 	/* bypass vclk and dclk with bclk */
61 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
62 		 VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
63 		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
64 
65 	if (!vclk || !dclk) {
66 		/* keep the Bypass mode, put PLL to sleep */
67 		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
68 		return 0;
69 	}
70 
71 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000,
72 					  43663, 0x03FFFFFE, 1, 30, ~0,
73 					  &fb_div, &vclk_div, &dclk_div);
74 	if (r)
75 		return r;
76 
77 	fb_div |= 1;
78 	vclk_div -= 1;
79 	dclk_div -= 1;
80 
81 	/* set UPLL_FB_DIV to 0x50000 */
82 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(0x50000), ~UPLL_FB_DIV_MASK);
83 
84 	/* deassert UPLL_RESET and UPLL_SLEEP */
85 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~(UPLL_RESET_MASK | UPLL_SLEEP_MASK));
86 
87 	/* assert BYPASS EN and FB_DIV[0] <- ??? why? */
88 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
89 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(1), ~UPLL_FB_DIV(1));
90 
91 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
92 	if (r)
93 		return r;
94 
95 	/* assert PLL_RESET */
96 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
97 
98 	/* set the required FB_DIV, REF_DIV, Post divder values */
99 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REF_DIV(1), ~UPLL_REF_DIV_MASK);
100 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
101 		 UPLL_SW_HILEN(vclk_div >> 1) |
102 		 UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) |
103 		 UPLL_SW_HILEN2(dclk_div >> 1) |
104 		 UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)),
105 		 ~UPLL_SW_MASK);
106 
107 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div),
108 		 ~UPLL_FB_DIV_MASK);
109 
110 	/* give the PLL some time to settle */
111 	mdelay(15);
112 
113 	/* deassert PLL_RESET */
114 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
115 
116 	mdelay(15);
117 
118 	/* deassert BYPASS EN and FB_DIV[0] <- ??? why? */
119 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
120 	WREG32_P(CG_UPLL_FUNC_CNTL_3, 0, ~UPLL_FB_DIV(1));
121 
122 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
123 	if (r)
124 		return r;
125 
126 	/* switch VCLK and DCLK selection */
127 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
128 		 VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
129 		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
130 
131 	mdelay(100);
132 
133 	return 0;
134 }
135 
136 static const u32 r7xx_golden_registers[] =
137 {
138 	0x8d00, 0xffffffff, 0x0e0e0074,
139 	0x8d04, 0xffffffff, 0x013a2b34,
140 	0x9508, 0xffffffff, 0x00000002,
141 	0x8b20, 0xffffffff, 0,
142 	0x88c4, 0xffffffff, 0x000000c2,
143 	0x28350, 0xffffffff, 0,
144 	0x9058, 0xffffffff, 0x0fffc40f,
145 	0x240c, 0xffffffff, 0x00000380,
146 	0x733c, 0xffffffff, 0x00000002,
147 	0x2650, 0x00040000, 0,
148 	0x20bc, 0x00040000, 0,
149 	0x7300, 0xffffffff, 0x001000f0
150 };
151 
152 static const u32 r7xx_golden_dyn_gpr_registers[] =
153 {
154 	0x8db0, 0xffffffff, 0x98989898,
155 	0x8db4, 0xffffffff, 0x98989898,
156 	0x8db8, 0xffffffff, 0x98989898,
157 	0x8dbc, 0xffffffff, 0x98989898,
158 	0x8dc0, 0xffffffff, 0x98989898,
159 	0x8dc4, 0xffffffff, 0x98989898,
160 	0x8dc8, 0xffffffff, 0x98989898,
161 	0x8dcc, 0xffffffff, 0x98989898,
162 	0x88c4, 0xffffffff, 0x00000082
163 };
164 
165 static const u32 rv770_golden_registers[] =
166 {
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 {
177 	0x562c, 0xffffffff, 0,
178 	0x3f90, 0xffffffff, 0x00cc0000,
179 	0x9148, 0xffffffff, 0x00cc0000,
180 	0x3f94, 0xffffffff, 0x00cc0000,
181 	0x914c, 0xffffffff, 0x00cc0000,
182 	0x9b7c, 0xffffffff, 0x00fa0000,
183 	0x3f8c, 0xffffffff, 0x00fa0000,
184 	0x9698, 0x18000000, 0x18000000
185 };
186 
187 static const u32 rv770_mgcg_init[] =
188 {
189 	0x8bcc, 0xffffffff, 0x130300f9,
190 	0x5448, 0xffffffff, 0x100,
191 	0x55e4, 0xffffffff, 0x100,
192 	0x160c, 0xffffffff, 0x100,
193 	0x5644, 0xffffffff, 0x100,
194 	0xc164, 0xffffffff, 0x100,
195 	0x8a18, 0xffffffff, 0x100,
196 	0x897c, 0xffffffff, 0x8000100,
197 	0x8b28, 0xffffffff, 0x3c000100,
198 	0x9144, 0xffffffff, 0x100,
199 	0x9a1c, 0xffffffff, 0x10000,
200 	0x9a50, 0xffffffff, 0x100,
201 	0x9a1c, 0xffffffff, 0x10001,
202 	0x9a50, 0xffffffff, 0x100,
203 	0x9a1c, 0xffffffff, 0x10002,
204 	0x9a50, 0xffffffff, 0x100,
205 	0x9a1c, 0xffffffff, 0x10003,
206 	0x9a50, 0xffffffff, 0x100,
207 	0x9a1c, 0xffffffff, 0x0,
208 	0x9870, 0xffffffff, 0x100,
209 	0x8d58, 0xffffffff, 0x100,
210 	0x9500, 0xffffffff, 0x0,
211 	0x9510, 0xffffffff, 0x100,
212 	0x9500, 0xffffffff, 0x1,
213 	0x9510, 0xffffffff, 0x100,
214 	0x9500, 0xffffffff, 0x2,
215 	0x9510, 0xffffffff, 0x100,
216 	0x9500, 0xffffffff, 0x3,
217 	0x9510, 0xffffffff, 0x100,
218 	0x9500, 0xffffffff, 0x4,
219 	0x9510, 0xffffffff, 0x100,
220 	0x9500, 0xffffffff, 0x5,
221 	0x9510, 0xffffffff, 0x100,
222 	0x9500, 0xffffffff, 0x6,
223 	0x9510, 0xffffffff, 0x100,
224 	0x9500, 0xffffffff, 0x7,
225 	0x9510, 0xffffffff, 0x100,
226 	0x9500, 0xffffffff, 0x8,
227 	0x9510, 0xffffffff, 0x100,
228 	0x9500, 0xffffffff, 0x9,
229 	0x9510, 0xffffffff, 0x100,
230 	0x9500, 0xffffffff, 0x8000,
231 	0x9490, 0xffffffff, 0x0,
232 	0x949c, 0xffffffff, 0x100,
233 	0x9490, 0xffffffff, 0x1,
234 	0x949c, 0xffffffff, 0x100,
235 	0x9490, 0xffffffff, 0x2,
236 	0x949c, 0xffffffff, 0x100,
237 	0x9490, 0xffffffff, 0x3,
238 	0x949c, 0xffffffff, 0x100,
239 	0x9490, 0xffffffff, 0x4,
240 	0x949c, 0xffffffff, 0x100,
241 	0x9490, 0xffffffff, 0x5,
242 	0x949c, 0xffffffff, 0x100,
243 	0x9490, 0xffffffff, 0x6,
244 	0x949c, 0xffffffff, 0x100,
245 	0x9490, 0xffffffff, 0x7,
246 	0x949c, 0xffffffff, 0x100,
247 	0x9490, 0xffffffff, 0x8,
248 	0x949c, 0xffffffff, 0x100,
249 	0x9490, 0xffffffff, 0x9,
250 	0x949c, 0xffffffff, 0x100,
251 	0x9490, 0xffffffff, 0x8000,
252 	0x9604, 0xffffffff, 0x0,
253 	0x9654, 0xffffffff, 0x100,
254 	0x9604, 0xffffffff, 0x1,
255 	0x9654, 0xffffffff, 0x100,
256 	0x9604, 0xffffffff, 0x2,
257 	0x9654, 0xffffffff, 0x100,
258 	0x9604, 0xffffffff, 0x3,
259 	0x9654, 0xffffffff, 0x100,
260 	0x9604, 0xffffffff, 0x4,
261 	0x9654, 0xffffffff, 0x100,
262 	0x9604, 0xffffffff, 0x5,
263 	0x9654, 0xffffffff, 0x100,
264 	0x9604, 0xffffffff, 0x6,
265 	0x9654, 0xffffffff, 0x100,
266 	0x9604, 0xffffffff, 0x7,
267 	0x9654, 0xffffffff, 0x100,
268 	0x9604, 0xffffffff, 0x8,
269 	0x9654, 0xffffffff, 0x100,
270 	0x9604, 0xffffffff, 0x9,
271 	0x9654, 0xffffffff, 0x100,
272 	0x9604, 0xffffffff, 0x80000000,
273 	0x9030, 0xffffffff, 0x100,
274 	0x9034, 0xffffffff, 0x100,
275 	0x9038, 0xffffffff, 0x100,
276 	0x903c, 0xffffffff, 0x100,
277 	0x9040, 0xffffffff, 0x100,
278 	0xa200, 0xffffffff, 0x100,
279 	0xa204, 0xffffffff, 0x100,
280 	0xa208, 0xffffffff, 0x100,
281 	0xa20c, 0xffffffff, 0x100,
282 	0x971c, 0xffffffff, 0x100,
283 	0x915c, 0xffffffff, 0x00020001,
284 	0x9160, 0xffffffff, 0x00040003,
285 	0x916c, 0xffffffff, 0x00060005,
286 	0x9170, 0xffffffff, 0x00080007,
287 	0x9174, 0xffffffff, 0x000a0009,
288 	0x9178, 0xffffffff, 0x000c000b,
289 	0x917c, 0xffffffff, 0x000e000d,
290 	0x9180, 0xffffffff, 0x0010000f,
291 	0x918c, 0xffffffff, 0x00120011,
292 	0x9190, 0xffffffff, 0x00140013,
293 	0x9194, 0xffffffff, 0x00020001,
294 	0x9198, 0xffffffff, 0x00040003,
295 	0x919c, 0xffffffff, 0x00060005,
296 	0x91a8, 0xffffffff, 0x00080007,
297 	0x91ac, 0xffffffff, 0x000a0009,
298 	0x91b0, 0xffffffff, 0x000c000b,
299 	0x91b4, 0xffffffff, 0x000e000d,
300 	0x91b8, 0xffffffff, 0x0010000f,
301 	0x91c4, 0xffffffff, 0x00120011,
302 	0x91c8, 0xffffffff, 0x00140013,
303 	0x91cc, 0xffffffff, 0x00020001,
304 	0x91d0, 0xffffffff, 0x00040003,
305 	0x91d4, 0xffffffff, 0x00060005,
306 	0x91e0, 0xffffffff, 0x00080007,
307 	0x91e4, 0xffffffff, 0x000a0009,
308 	0x91e8, 0xffffffff, 0x000c000b,
309 	0x91ec, 0xffffffff, 0x00020001,
310 	0x91f0, 0xffffffff, 0x00040003,
311 	0x91f4, 0xffffffff, 0x00060005,
312 	0x9200, 0xffffffff, 0x00080007,
313 	0x9204, 0xffffffff, 0x000a0009,
314 	0x9208, 0xffffffff, 0x000c000b,
315 	0x920c, 0xffffffff, 0x000e000d,
316 	0x9210, 0xffffffff, 0x0010000f,
317 	0x921c, 0xffffffff, 0x00120011,
318 	0x9220, 0xffffffff, 0x00140013,
319 	0x9224, 0xffffffff, 0x00020001,
320 	0x9228, 0xffffffff, 0x00040003,
321 	0x922c, 0xffffffff, 0x00060005,
322 	0x9238, 0xffffffff, 0x00080007,
323 	0x923c, 0xffffffff, 0x000a0009,
324 	0x9240, 0xffffffff, 0x000c000b,
325 	0x9244, 0xffffffff, 0x000e000d,
326 	0x9248, 0xffffffff, 0x0010000f,
327 	0x9254, 0xffffffff, 0x00120011,
328 	0x9258, 0xffffffff, 0x00140013,
329 	0x925c, 0xffffffff, 0x00020001,
330 	0x9260, 0xffffffff, 0x00040003,
331 	0x9264, 0xffffffff, 0x00060005,
332 	0x9270, 0xffffffff, 0x00080007,
333 	0x9274, 0xffffffff, 0x000a0009,
334 	0x9278, 0xffffffff, 0x000c000b,
335 	0x927c, 0xffffffff, 0x000e000d,
336 	0x9280, 0xffffffff, 0x0010000f,
337 	0x928c, 0xffffffff, 0x00120011,
338 	0x9290, 0xffffffff, 0x00140013,
339 	0x9294, 0xffffffff, 0x00020001,
340 	0x929c, 0xffffffff, 0x00040003,
341 	0x92a0, 0xffffffff, 0x00060005,
342 	0x92a4, 0xffffffff, 0x00080007
343 };
344 
345 static const u32 rv710_golden_registers[] =
346 {
347 	0x3f90, 0x00ff0000, 0x00fc0000,
348 	0x9148, 0x00ff0000, 0x00fc0000,
349 	0x3f94, 0x00ff0000, 0x00fc0000,
350 	0x914c, 0x00ff0000, 0x00fc0000,
351 	0xb4c, 0x00000020, 0x00000020,
352 	0xa180, 0xffffffff, 0x00003f3f
353 };
354 
355 static const u32 rv710_mgcg_init[] =
356 {
357 	0x8bcc, 0xffffffff, 0x13030040,
358 	0x5448, 0xffffffff, 0x100,
359 	0x55e4, 0xffffffff, 0x100,
360 	0x160c, 0xffffffff, 0x100,
361 	0x5644, 0xffffffff, 0x100,
362 	0xc164, 0xffffffff, 0x100,
363 	0x8a18, 0xffffffff, 0x100,
364 	0x897c, 0xffffffff, 0x8000100,
365 	0x8b28, 0xffffffff, 0x3c000100,
366 	0x9144, 0xffffffff, 0x100,
367 	0x9a1c, 0xffffffff, 0x10000,
368 	0x9a50, 0xffffffff, 0x100,
369 	0x9a1c, 0xffffffff, 0x0,
370 	0x9870, 0xffffffff, 0x100,
371 	0x8d58, 0xffffffff, 0x100,
372 	0x9500, 0xffffffff, 0x0,
373 	0x9510, 0xffffffff, 0x100,
374 	0x9500, 0xffffffff, 0x1,
375 	0x9510, 0xffffffff, 0x100,
376 	0x9500, 0xffffffff, 0x8000,
377 	0x9490, 0xffffffff, 0x0,
378 	0x949c, 0xffffffff, 0x100,
379 	0x9490, 0xffffffff, 0x1,
380 	0x949c, 0xffffffff, 0x100,
381 	0x9490, 0xffffffff, 0x8000,
382 	0x9604, 0xffffffff, 0x0,
383 	0x9654, 0xffffffff, 0x100,
384 	0x9604, 0xffffffff, 0x1,
385 	0x9654, 0xffffffff, 0x100,
386 	0x9604, 0xffffffff, 0x80000000,
387 	0x9030, 0xffffffff, 0x100,
388 	0x9034, 0xffffffff, 0x100,
389 	0x9038, 0xffffffff, 0x100,
390 	0x903c, 0xffffffff, 0x100,
391 	0x9040, 0xffffffff, 0x100,
392 	0xa200, 0xffffffff, 0x100,
393 	0xa204, 0xffffffff, 0x100,
394 	0xa208, 0xffffffff, 0x100,
395 	0xa20c, 0xffffffff, 0x100,
396 	0x971c, 0xffffffff, 0x100,
397 	0x915c, 0xffffffff, 0x00020001,
398 	0x9174, 0xffffffff, 0x00000003,
399 	0x9178, 0xffffffff, 0x00050001,
400 	0x917c, 0xffffffff, 0x00030002,
401 	0x918c, 0xffffffff, 0x00000004,
402 	0x9190, 0xffffffff, 0x00070006,
403 	0x9194, 0xffffffff, 0x00050001,
404 	0x9198, 0xffffffff, 0x00030002,
405 	0x91a8, 0xffffffff, 0x00000004,
406 	0x91ac, 0xffffffff, 0x00070006,
407 	0x91e8, 0xffffffff, 0x00000001,
408 	0x9294, 0xffffffff, 0x00000001,
409 	0x929c, 0xffffffff, 0x00000002,
410 	0x92a0, 0xffffffff, 0x00040003,
411 	0x9150, 0xffffffff, 0x4d940000
412 };
413 
414 static const u32 rv730_golden_registers[] =
415 {
416 	0x3f90, 0x00ff0000, 0x00f00000,
417 	0x9148, 0x00ff0000, 0x00f00000,
418 	0x3f94, 0x00ff0000, 0x00f00000,
419 	0x914c, 0x00ff0000, 0x00f00000,
420 	0x900c, 0xffffffff, 0x003b033f,
421 	0xb4c, 0x00000020, 0x00000020,
422 	0xa180, 0xffffffff, 0x00003f3f
423 };
424 
425 static const u32 rv730_mgcg_init[] =
426 {
427 	0x8bcc, 0xffffffff, 0x130300f9,
428 	0x5448, 0xffffffff, 0x100,
429 	0x55e4, 0xffffffff, 0x100,
430 	0x160c, 0xffffffff, 0x100,
431 	0x5644, 0xffffffff, 0x100,
432 	0xc164, 0xffffffff, 0x100,
433 	0x8a18, 0xffffffff, 0x100,
434 	0x897c, 0xffffffff, 0x8000100,
435 	0x8b28, 0xffffffff, 0x3c000100,
436 	0x9144, 0xffffffff, 0x100,
437 	0x9a1c, 0xffffffff, 0x10000,
438 	0x9a50, 0xffffffff, 0x100,
439 	0x9a1c, 0xffffffff, 0x10001,
440 	0x9a50, 0xffffffff, 0x100,
441 	0x9a1c, 0xffffffff, 0x0,
442 	0x9870, 0xffffffff, 0x100,
443 	0x8d58, 0xffffffff, 0x100,
444 	0x9500, 0xffffffff, 0x0,
445 	0x9510, 0xffffffff, 0x100,
446 	0x9500, 0xffffffff, 0x1,
447 	0x9510, 0xffffffff, 0x100,
448 	0x9500, 0xffffffff, 0x2,
449 	0x9510, 0xffffffff, 0x100,
450 	0x9500, 0xffffffff, 0x3,
451 	0x9510, 0xffffffff, 0x100,
452 	0x9500, 0xffffffff, 0x4,
453 	0x9510, 0xffffffff, 0x100,
454 	0x9500, 0xffffffff, 0x5,
455 	0x9510, 0xffffffff, 0x100,
456 	0x9500, 0xffffffff, 0x6,
457 	0x9510, 0xffffffff, 0x100,
458 	0x9500, 0xffffffff, 0x7,
459 	0x9510, 0xffffffff, 0x100,
460 	0x9500, 0xffffffff, 0x8000,
461 	0x9490, 0xffffffff, 0x0,
462 	0x949c, 0xffffffff, 0x100,
463 	0x9490, 0xffffffff, 0x1,
464 	0x949c, 0xffffffff, 0x100,
465 	0x9490, 0xffffffff, 0x2,
466 	0x949c, 0xffffffff, 0x100,
467 	0x9490, 0xffffffff, 0x3,
468 	0x949c, 0xffffffff, 0x100,
469 	0x9490, 0xffffffff, 0x4,
470 	0x949c, 0xffffffff, 0x100,
471 	0x9490, 0xffffffff, 0x5,
472 	0x949c, 0xffffffff, 0x100,
473 	0x9490, 0xffffffff, 0x6,
474 	0x949c, 0xffffffff, 0x100,
475 	0x9490, 0xffffffff, 0x7,
476 	0x949c, 0xffffffff, 0x100,
477 	0x9490, 0xffffffff, 0x8000,
478 	0x9604, 0xffffffff, 0x0,
479 	0x9654, 0xffffffff, 0x100,
480 	0x9604, 0xffffffff, 0x1,
481 	0x9654, 0xffffffff, 0x100,
482 	0x9604, 0xffffffff, 0x2,
483 	0x9654, 0xffffffff, 0x100,
484 	0x9604, 0xffffffff, 0x3,
485 	0x9654, 0xffffffff, 0x100,
486 	0x9604, 0xffffffff, 0x4,
487 	0x9654, 0xffffffff, 0x100,
488 	0x9604, 0xffffffff, 0x5,
489 	0x9654, 0xffffffff, 0x100,
490 	0x9604, 0xffffffff, 0x6,
491 	0x9654, 0xffffffff, 0x100,
492 	0x9604, 0xffffffff, 0x7,
493 	0x9654, 0xffffffff, 0x100,
494 	0x9604, 0xffffffff, 0x80000000,
495 	0x9030, 0xffffffff, 0x100,
496 	0x9034, 0xffffffff, 0x100,
497 	0x9038, 0xffffffff, 0x100,
498 	0x903c, 0xffffffff, 0x100,
499 	0x9040, 0xffffffff, 0x100,
500 	0xa200, 0xffffffff, 0x100,
501 	0xa204, 0xffffffff, 0x100,
502 	0xa208, 0xffffffff, 0x100,
503 	0xa20c, 0xffffffff, 0x100,
504 	0x971c, 0xffffffff, 0x100,
505 	0x915c, 0xffffffff, 0x00020001,
506 	0x916c, 0xffffffff, 0x00040003,
507 	0x9170, 0xffffffff, 0x00000005,
508 	0x9178, 0xffffffff, 0x00050001,
509 	0x917c, 0xffffffff, 0x00030002,
510 	0x918c, 0xffffffff, 0x00000004,
511 	0x9190, 0xffffffff, 0x00070006,
512 	0x9194, 0xffffffff, 0x00050001,
513 	0x9198, 0xffffffff, 0x00030002,
514 	0x91a8, 0xffffffff, 0x00000004,
515 	0x91ac, 0xffffffff, 0x00070006,
516 	0x91b0, 0xffffffff, 0x00050001,
517 	0x91b4, 0xffffffff, 0x00030002,
518 	0x91c4, 0xffffffff, 0x00000004,
519 	0x91c8, 0xffffffff, 0x00070006,
520 	0x91cc, 0xffffffff, 0x00050001,
521 	0x91d0, 0xffffffff, 0x00030002,
522 	0x91e0, 0xffffffff, 0x00000004,
523 	0x91e4, 0xffffffff, 0x00070006,
524 	0x91e8, 0xffffffff, 0x00000001,
525 	0x91ec, 0xffffffff, 0x00050001,
526 	0x91f0, 0xffffffff, 0x00030002,
527 	0x9200, 0xffffffff, 0x00000004,
528 	0x9204, 0xffffffff, 0x00070006,
529 	0x9208, 0xffffffff, 0x00050001,
530 	0x920c, 0xffffffff, 0x00030002,
531 	0x921c, 0xffffffff, 0x00000004,
532 	0x9220, 0xffffffff, 0x00070006,
533 	0x9224, 0xffffffff, 0x00050001,
534 	0x9228, 0xffffffff, 0x00030002,
535 	0x9238, 0xffffffff, 0x00000004,
536 	0x923c, 0xffffffff, 0x00070006,
537 	0x9240, 0xffffffff, 0x00050001,
538 	0x9244, 0xffffffff, 0x00030002,
539 	0x9254, 0xffffffff, 0x00000004,
540 	0x9258, 0xffffffff, 0x00070006,
541 	0x9294, 0xffffffff, 0x00000001,
542 	0x929c, 0xffffffff, 0x00000002,
543 	0x92a0, 0xffffffff, 0x00040003,
544 	0x92a4, 0xffffffff, 0x00000005
545 };
546 
547 static const u32 rv740_golden_registers[] =
548 {
549 	0x88c4, 0xffffffff, 0x00000082,
550 	0x28a50, 0xfffffffc, 0x00000004,
551 	0x2650, 0x00040000, 0,
552 	0x20bc, 0x00040000, 0,
553 	0x733c, 0xffffffff, 0x00000002,
554 	0x7300, 0xffffffff, 0x001000f0,
555 	0x3f90, 0x00ff0000, 0,
556 	0x9148, 0x00ff0000, 0,
557 	0x3f94, 0x00ff0000, 0,
558 	0x914c, 0x00ff0000, 0,
559 	0x240c, 0xffffffff, 0x00000380,
560 	0x8a14, 0x00000007, 0x00000007,
561 	0x8b24, 0xffffffff, 0x00ff0fff,
562 	0x28a4c, 0xffffffff, 0x00004000,
563 	0xa180, 0xffffffff, 0x00003f3f,
564 	0x8d00, 0xffffffff, 0x0e0e003a,
565 	0x8d04, 0xffffffff, 0x013a0e2a,
566 	0x8c00, 0xffffffff, 0xe400000f,
567 	0x8db0, 0xffffffff, 0x98989898,
568 	0x8db4, 0xffffffff, 0x98989898,
569 	0x8db8, 0xffffffff, 0x98989898,
570 	0x8dbc, 0xffffffff, 0x98989898,
571 	0x8dc0, 0xffffffff, 0x98989898,
572 	0x8dc4, 0xffffffff, 0x98989898,
573 	0x8dc8, 0xffffffff, 0x98989898,
574 	0x8dcc, 0xffffffff, 0x98989898,
575 	0x9058, 0xffffffff, 0x0fffc40f,
576 	0x900c, 0xffffffff, 0x003b033f,
577 	0x28350, 0xffffffff, 0,
578 	0x8cf0, 0x1fffffff, 0x08e00420,
579 	0x9508, 0xffffffff, 0x00000002,
580 	0x88c4, 0xffffffff, 0x000000c2,
581 	0x9698, 0x18000000, 0x18000000
582 };
583 
584 static const u32 rv740_mgcg_init[] =
585 {
586 	0x8bcc, 0xffffffff, 0x13030100,
587 	0x5448, 0xffffffff, 0x100,
588 	0x55e4, 0xffffffff, 0x100,
589 	0x160c, 0xffffffff, 0x100,
590 	0x5644, 0xffffffff, 0x100,
591 	0xc164, 0xffffffff, 0x100,
592 	0x8a18, 0xffffffff, 0x100,
593 	0x897c, 0xffffffff, 0x100,
594 	0x8b28, 0xffffffff, 0x100,
595 	0x9144, 0xffffffff, 0x100,
596 	0x9a1c, 0xffffffff, 0x10000,
597 	0x9a50, 0xffffffff, 0x100,
598 	0x9a1c, 0xffffffff, 0x10001,
599 	0x9a50, 0xffffffff, 0x100,
600 	0x9a1c, 0xffffffff, 0x10002,
601 	0x9a50, 0xffffffff, 0x100,
602 	0x9a1c, 0xffffffff, 0x10003,
603 	0x9a50, 0xffffffff, 0x100,
604 	0x9a1c, 0xffffffff, 0x0,
605 	0x9870, 0xffffffff, 0x100,
606 	0x8d58, 0xffffffff, 0x100,
607 	0x9500, 0xffffffff, 0x0,
608 	0x9510, 0xffffffff, 0x100,
609 	0x9500, 0xffffffff, 0x1,
610 	0x9510, 0xffffffff, 0x100,
611 	0x9500, 0xffffffff, 0x2,
612 	0x9510, 0xffffffff, 0x100,
613 	0x9500, 0xffffffff, 0x3,
614 	0x9510, 0xffffffff, 0x100,
615 	0x9500, 0xffffffff, 0x4,
616 	0x9510, 0xffffffff, 0x100,
617 	0x9500, 0xffffffff, 0x5,
618 	0x9510, 0xffffffff, 0x100,
619 	0x9500, 0xffffffff, 0x6,
620 	0x9510, 0xffffffff, 0x100,
621 	0x9500, 0xffffffff, 0x7,
622 	0x9510, 0xffffffff, 0x100,
623 	0x9500, 0xffffffff, 0x8000,
624 	0x9490, 0xffffffff, 0x0,
625 	0x949c, 0xffffffff, 0x100,
626 	0x9490, 0xffffffff, 0x1,
627 	0x949c, 0xffffffff, 0x100,
628 	0x9490, 0xffffffff, 0x2,
629 	0x949c, 0xffffffff, 0x100,
630 	0x9490, 0xffffffff, 0x3,
631 	0x949c, 0xffffffff, 0x100,
632 	0x9490, 0xffffffff, 0x4,
633 	0x949c, 0xffffffff, 0x100,
634 	0x9490, 0xffffffff, 0x5,
635 	0x949c, 0xffffffff, 0x100,
636 	0x9490, 0xffffffff, 0x6,
637 	0x949c, 0xffffffff, 0x100,
638 	0x9490, 0xffffffff, 0x7,
639 	0x949c, 0xffffffff, 0x100,
640 	0x9490, 0xffffffff, 0x8000,
641 	0x9604, 0xffffffff, 0x0,
642 	0x9654, 0xffffffff, 0x100,
643 	0x9604, 0xffffffff, 0x1,
644 	0x9654, 0xffffffff, 0x100,
645 	0x9604, 0xffffffff, 0x2,
646 	0x9654, 0xffffffff, 0x100,
647 	0x9604, 0xffffffff, 0x3,
648 	0x9654, 0xffffffff, 0x100,
649 	0x9604, 0xffffffff, 0x4,
650 	0x9654, 0xffffffff, 0x100,
651 	0x9604, 0xffffffff, 0x5,
652 	0x9654, 0xffffffff, 0x100,
653 	0x9604, 0xffffffff, 0x6,
654 	0x9654, 0xffffffff, 0x100,
655 	0x9604, 0xffffffff, 0x7,
656 	0x9654, 0xffffffff, 0x100,
657 	0x9604, 0xffffffff, 0x80000000,
658 	0x9030, 0xffffffff, 0x100,
659 	0x9034, 0xffffffff, 0x100,
660 	0x9038, 0xffffffff, 0x100,
661 	0x903c, 0xffffffff, 0x100,
662 	0x9040, 0xffffffff, 0x100,
663 	0xa200, 0xffffffff, 0x100,
664 	0xa204, 0xffffffff, 0x100,
665 	0xa208, 0xffffffff, 0x100,
666 	0xa20c, 0xffffffff, 0x100,
667 	0x971c, 0xffffffff, 0x100,
668 	0x915c, 0xffffffff, 0x00020001,
669 	0x9160, 0xffffffff, 0x00040003,
670 	0x916c, 0xffffffff, 0x00060005,
671 	0x9170, 0xffffffff, 0x00080007,
672 	0x9174, 0xffffffff, 0x000a0009,
673 	0x9178, 0xffffffff, 0x000c000b,
674 	0x917c, 0xffffffff, 0x000e000d,
675 	0x9180, 0xffffffff, 0x0010000f,
676 	0x918c, 0xffffffff, 0x00120011,
677 	0x9190, 0xffffffff, 0x00140013,
678 	0x9194, 0xffffffff, 0x00020001,
679 	0x9198, 0xffffffff, 0x00040003,
680 	0x919c, 0xffffffff, 0x00060005,
681 	0x91a8, 0xffffffff, 0x00080007,
682 	0x91ac, 0xffffffff, 0x000a0009,
683 	0x91b0, 0xffffffff, 0x000c000b,
684 	0x91b4, 0xffffffff, 0x000e000d,
685 	0x91b8, 0xffffffff, 0x0010000f,
686 	0x91c4, 0xffffffff, 0x00120011,
687 	0x91c8, 0xffffffff, 0x00140013,
688 	0x91cc, 0xffffffff, 0x00020001,
689 	0x91d0, 0xffffffff, 0x00040003,
690 	0x91d4, 0xffffffff, 0x00060005,
691 	0x91e0, 0xffffffff, 0x00080007,
692 	0x91e4, 0xffffffff, 0x000a0009,
693 	0x91e8, 0xffffffff, 0x000c000b,
694 	0x91ec, 0xffffffff, 0x00020001,
695 	0x91f0, 0xffffffff, 0x00040003,
696 	0x91f4, 0xffffffff, 0x00060005,
697 	0x9200, 0xffffffff, 0x00080007,
698 	0x9204, 0xffffffff, 0x000a0009,
699 	0x9208, 0xffffffff, 0x000c000b,
700 	0x920c, 0xffffffff, 0x000e000d,
701 	0x9210, 0xffffffff, 0x0010000f,
702 	0x921c, 0xffffffff, 0x00120011,
703 	0x9220, 0xffffffff, 0x00140013,
704 	0x9224, 0xffffffff, 0x00020001,
705 	0x9228, 0xffffffff, 0x00040003,
706 	0x922c, 0xffffffff, 0x00060005,
707 	0x9238, 0xffffffff, 0x00080007,
708 	0x923c, 0xffffffff, 0x000a0009,
709 	0x9240, 0xffffffff, 0x000c000b,
710 	0x9244, 0xffffffff, 0x000e000d,
711 	0x9248, 0xffffffff, 0x0010000f,
712 	0x9254, 0xffffffff, 0x00120011,
713 	0x9258, 0xffffffff, 0x00140013,
714 	0x9294, 0xffffffff, 0x00020001,
715 	0x929c, 0xffffffff, 0x00040003,
716 	0x92a0, 0xffffffff, 0x00060005,
717 	0x92a4, 0xffffffff, 0x00080007
718 };
719 
720 static void rv770_init_golden_registers(struct radeon_device *rdev)
721 {
722 	switch (rdev->family) {
723 	case CHIP_RV770:
724 		radeon_program_register_sequence(rdev,
725 						 r7xx_golden_registers,
726 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
727 		radeon_program_register_sequence(rdev,
728 						 r7xx_golden_dyn_gpr_registers,
729 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
730 		if (rdev->pdev->device == 0x994e)
731 			radeon_program_register_sequence(rdev,
732 							 rv770ce_golden_registers,
733 							 (const u32)ARRAY_SIZE(rv770ce_golden_registers));
734 		else
735 			radeon_program_register_sequence(rdev,
736 							 rv770_golden_registers,
737 							 (const u32)ARRAY_SIZE(rv770_golden_registers));
738 		radeon_program_register_sequence(rdev,
739 						 rv770_mgcg_init,
740 						 (const u32)ARRAY_SIZE(rv770_mgcg_init));
741 		break;
742 	case CHIP_RV730:
743 		radeon_program_register_sequence(rdev,
744 						 r7xx_golden_registers,
745 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
746 		radeon_program_register_sequence(rdev,
747 						 r7xx_golden_dyn_gpr_registers,
748 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
749 		radeon_program_register_sequence(rdev,
750 						 rv730_golden_registers,
751 						 (const u32)ARRAY_SIZE(rv730_golden_registers));
752 		radeon_program_register_sequence(rdev,
753 						 rv730_mgcg_init,
754 						 (const u32)ARRAY_SIZE(rv730_mgcg_init));
755 		break;
756 	case CHIP_RV710:
757 		radeon_program_register_sequence(rdev,
758 						 r7xx_golden_registers,
759 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
760 		radeon_program_register_sequence(rdev,
761 						 r7xx_golden_dyn_gpr_registers,
762 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
763 		radeon_program_register_sequence(rdev,
764 						 rv710_golden_registers,
765 						 (const u32)ARRAY_SIZE(rv710_golden_registers));
766 		radeon_program_register_sequence(rdev,
767 						 rv710_mgcg_init,
768 						 (const u32)ARRAY_SIZE(rv710_mgcg_init));
769 		break;
770 	case CHIP_RV740:
771 		radeon_program_register_sequence(rdev,
772 						 rv740_golden_registers,
773 						 (const u32)ARRAY_SIZE(rv740_golden_registers));
774 		radeon_program_register_sequence(rdev,
775 						 rv740_mgcg_init,
776 						 (const u32)ARRAY_SIZE(rv740_mgcg_init));
777 		break;
778 	default:
779 		break;
780 	}
781 }
782 
783 #define PCIE_BUS_CLK                10000
784 #define TCLK                        (PCIE_BUS_CLK / 10)
785 
786 /**
787  * rv770_get_xclk - get the xclk
788  *
789  * @rdev: radeon_device pointer
790  *
791  * Returns the reference clock used by the gfx engine
792  * (r7xx-cayman).
793  */
794 u32 rv770_get_xclk(struct radeon_device *rdev)
795 {
796 	u32 reference_clock = rdev->clock.spll.reference_freq;
797 	u32 tmp = RREG32(CG_CLKPIN_CNTL);
798 
799 	if (tmp & MUX_TCLK_TO_XCLK)
800 		return TCLK;
801 
802 	if (tmp & XTALIN_DIVIDE)
803 		return reference_clock / 4;
804 
805 	return reference_clock;
806 }
807 
808 void rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
809 {
810 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
811 	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
812 	int i;
813 
814 	/* Lock the graphics update lock */
815 	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
816 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
817 
818 	/* update the scanout addresses */
819 	WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
820 	       async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
821 	if (radeon_crtc->crtc_id) {
822 		WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
823 		WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
824 	} else {
825 		WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
826 		WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
827 	}
828 	WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
829 	       (u32)crtc_base);
830 	WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
831 	       (u32)crtc_base);
832 
833 	/* Wait for update_pending to go high. */
834 	for (i = 0; i < rdev->usec_timeout; i++) {
835 		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
836 			break;
837 		udelay(1);
838 	}
839 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
840 
841 	/* Unlock the lock, so double-buffering can take place inside vblank */
842 	tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
843 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
844 }
845 
846 bool rv770_page_flip_pending(struct radeon_device *rdev, int crtc_id)
847 {
848 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
849 
850 	/* Return current update_pending status: */
851 	return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) &
852 		AVIVO_D1GRPH_SURFACE_UPDATE_PENDING);
853 }
854 
855 /* get temperature in millidegrees */
856 int rv770_get_temp(struct radeon_device *rdev)
857 {
858 	u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
859 		ASIC_T_SHIFT;
860 	int actual_temp;
861 
862 	if (temp & 0x400)
863 		actual_temp = -256;
864 	else if (temp & 0x200)
865 		actual_temp = 255;
866 	else if (temp & 0x100) {
867 		actual_temp = temp & 0x1ff;
868 		actual_temp |= ~0x1ff;
869 	} else
870 		actual_temp = temp & 0xff;
871 
872 	return (actual_temp * 1000) / 2;
873 }
874 
875 void rv770_pm_misc(struct radeon_device *rdev)
876 {
877 	int req_ps_idx = rdev->pm.requested_power_state_index;
878 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
879 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
880 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
881 
882 	if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
883 		/* 0xff01 is a flag rather then an actual voltage */
884 		if (voltage->voltage == 0xff01)
885 			return;
886 		if (voltage->voltage != rdev->pm.current_vddc) {
887 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
888 			rdev->pm.current_vddc = voltage->voltage;
889 			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
890 		}
891 	}
892 }
893 
894 /*
895  * GART
896  */
897 static int rv770_pcie_gart_enable(struct radeon_device *rdev)
898 {
899 	u32 tmp;
900 	int r, i;
901 
902 	if (rdev->gart.robj == NULL) {
903 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
904 		return -EINVAL;
905 	}
906 	r = radeon_gart_table_vram_pin(rdev);
907 	if (r)
908 		return r;
909 	/* Setup L2 cache */
910 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
911 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
912 				EFFECTIVE_L2_QUEUE_SIZE(7));
913 	WREG32(VM_L2_CNTL2, 0);
914 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
915 	/* Setup TLB control */
916 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
917 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
918 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
919 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
920 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
921 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
922 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
923 	if (rdev->family == CHIP_RV740)
924 		WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
925 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
926 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
927 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
928 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
929 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
930 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
931 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
932 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
933 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
934 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
935 			(u32)(rdev->dummy_page.addr >> 12));
936 	for (i = 1; i < 7; i++)
937 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
938 
939 	r600_pcie_gart_tlb_flush(rdev);
940 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
941 		 (unsigned)(rdev->mc.gtt_size >> 20),
942 		 (unsigned long long)rdev->gart.table_addr);
943 	rdev->gart.ready = true;
944 	return 0;
945 }
946 
947 static void rv770_pcie_gart_disable(struct radeon_device *rdev)
948 {
949 	u32 tmp;
950 	int i;
951 
952 	/* Disable all tables */
953 	for (i = 0; i < 7; i++)
954 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
955 
956 	/* Setup L2 cache */
957 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
958 				EFFECTIVE_L2_QUEUE_SIZE(7));
959 	WREG32(VM_L2_CNTL2, 0);
960 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
961 	/* Setup TLB control */
962 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
963 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
964 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
965 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
966 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
967 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
968 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
969 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
970 	radeon_gart_table_vram_unpin(rdev);
971 }
972 
973 static void rv770_pcie_gart_fini(struct radeon_device *rdev)
974 {
975 	radeon_gart_fini(rdev);
976 	rv770_pcie_gart_disable(rdev);
977 	radeon_gart_table_vram_free(rdev);
978 }
979 
980 
981 static void rv770_agp_enable(struct radeon_device *rdev)
982 {
983 	u32 tmp;
984 	int i;
985 
986 	/* Setup L2 cache */
987 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
988 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
989 				EFFECTIVE_L2_QUEUE_SIZE(7));
990 	WREG32(VM_L2_CNTL2, 0);
991 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
992 	/* Setup TLB control */
993 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
994 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
995 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
996 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
997 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
998 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
999 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
1000 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1001 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1002 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1003 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1004 	for (i = 0; i < 7; i++)
1005 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1006 }
1007 
1008 static void rv770_mc_program(struct radeon_device *rdev)
1009 {
1010 	struct rv515_mc_save save;
1011 	u32 tmp;
1012 	int i, j;
1013 
1014 	/* Initialize HDP */
1015 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1016 		WREG32((0x2c14 + j), 0x00000000);
1017 		WREG32((0x2c18 + j), 0x00000000);
1018 		WREG32((0x2c1c + j), 0x00000000);
1019 		WREG32((0x2c20 + j), 0x00000000);
1020 		WREG32((0x2c24 + j), 0x00000000);
1021 	}
1022 	/* r7xx hw bug.  Read from HDP_DEBUG1 rather
1023 	 * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
1024 	 */
1025 	tmp = RREG32(HDP_DEBUG1);
1026 
1027 	rv515_mc_stop(rdev, &save);
1028 	if (r600_mc_wait_for_idle(rdev)) {
1029 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1030 	}
1031 	/* Lockout access through VGA aperture*/
1032 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1033 	/* Update configuration */
1034 	if (rdev->flags & RADEON_IS_AGP) {
1035 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1036 			/* VRAM before AGP */
1037 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1038 				rdev->mc.vram_start >> 12);
1039 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1040 				rdev->mc.gtt_end >> 12);
1041 		} else {
1042 			/* VRAM after AGP */
1043 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1044 				rdev->mc.gtt_start >> 12);
1045 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1046 				rdev->mc.vram_end >> 12);
1047 		}
1048 	} else {
1049 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1050 			rdev->mc.vram_start >> 12);
1051 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1052 			rdev->mc.vram_end >> 12);
1053 	}
1054 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1055 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1056 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1057 	WREG32(MC_VM_FB_LOCATION, tmp);
1058 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1059 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1060 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1061 	if (rdev->flags & RADEON_IS_AGP) {
1062 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1063 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1064 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1065 	} else {
1066 		WREG32(MC_VM_AGP_BASE, 0);
1067 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1068 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1069 	}
1070 	if (r600_mc_wait_for_idle(rdev)) {
1071 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1072 	}
1073 	rv515_mc_resume(rdev, &save);
1074 	/* we need to own VRAM, so turn off the VGA renderer here
1075 	 * to stop it overwriting our objects */
1076 	rv515_vga_render_disable(rdev);
1077 }
1078 
1079 
1080 /*
1081  * CP.
1082  */
1083 void r700_cp_stop(struct radeon_device *rdev)
1084 {
1085 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1086 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1087 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1088 	WREG32(SCRATCH_UMSK, 0);
1089 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1090 }
1091 
1092 static int rv770_cp_load_microcode(struct radeon_device *rdev)
1093 {
1094 	const __be32 *fw_data;
1095 	int i;
1096 
1097 	if (!rdev->me_fw || !rdev->pfp_fw)
1098 		return -EINVAL;
1099 
1100 	r700_cp_stop(rdev);
1101 	WREG32(CP_RB_CNTL,
1102 #ifdef __BIG_ENDIAN
1103 	       BUF_SWAP_32BIT |
1104 #endif
1105 	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1106 
1107 	/* Reset cp */
1108 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
1109 	RREG32(GRBM_SOFT_RESET);
1110 	mdelay(15);
1111 	WREG32(GRBM_SOFT_RESET, 0);
1112 
1113 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1114 	WREG32(CP_PFP_UCODE_ADDR, 0);
1115 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
1116 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1117 	WREG32(CP_PFP_UCODE_ADDR, 0);
1118 
1119 	fw_data = (const __be32 *)rdev->me_fw->data;
1120 	WREG32(CP_ME_RAM_WADDR, 0);
1121 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
1122 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1123 
1124 	WREG32(CP_PFP_UCODE_ADDR, 0);
1125 	WREG32(CP_ME_RAM_WADDR, 0);
1126 	WREG32(CP_ME_RAM_RADDR, 0);
1127 	return 0;
1128 }
1129 
1130 void r700_cp_fini(struct radeon_device *rdev)
1131 {
1132 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1133 	r700_cp_stop(rdev);
1134 	radeon_ring_fini(rdev, ring);
1135 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1136 }
1137 
1138 void rv770_set_clk_bypass_mode(struct radeon_device *rdev)
1139 {
1140 	u32 tmp, i;
1141 
1142 	if (rdev->flags & RADEON_IS_IGP)
1143 		return;
1144 
1145 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
1146 	tmp &= SCLK_MUX_SEL_MASK;
1147 	tmp |= SCLK_MUX_SEL(1) | SCLK_MUX_UPDATE;
1148 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1149 
1150 	for (i = 0; i < rdev->usec_timeout; i++) {
1151 		if (RREG32(CG_SPLL_STATUS) & SPLL_CHG_STATUS)
1152 			break;
1153 		udelay(1);
1154 	}
1155 
1156 	tmp &= ~SCLK_MUX_UPDATE;
1157 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1158 
1159 	tmp = RREG32(MPLL_CNTL_MODE);
1160 	if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730))
1161 		tmp &= ~RV730_MPLL_MCLK_SEL;
1162 	else
1163 		tmp &= ~MPLL_MCLK_SEL;
1164 	WREG32(MPLL_CNTL_MODE, tmp);
1165 }
1166 
1167 /*
1168  * Core functions
1169  */
1170 static void rv770_gpu_init(struct radeon_device *rdev)
1171 {
1172 	int i, j, num_qd_pipes;
1173 	u32 ta_aux_cntl;
1174 	u32 sx_debug_1;
1175 	u32 smx_dc_ctl0;
1176 	u32 db_debug3;
1177 	u32 num_gs_verts_per_thread;
1178 	u32 vgt_gs_per_es;
1179 	u32 gs_prim_buffer_depth = 0;
1180 	u32 sq_ms_fifo_sizes;
1181 	u32 sq_config;
1182 	u32 sq_thread_resource_mgmt;
1183 	u32 hdp_host_path_cntl;
1184 	u32 sq_dyn_gpr_size_simd_ab_0;
1185 	u32 gb_tiling_config = 0;
1186 	u32 cc_gc_shader_pipe_config = 0;
1187 	u32 mc_arb_ramcfg;
1188 	u32 db_debug4, tmp;
1189 	u32 inactive_pipes, shader_pipe_config;
1190 	u32 disabled_rb_mask;
1191 	unsigned active_number;
1192 
1193 	/* setup chip specs */
1194 	rdev->config.rv770.tiling_group_size = 256;
1195 	switch (rdev->family) {
1196 	case CHIP_RV770:
1197 		rdev->config.rv770.max_pipes = 4;
1198 		rdev->config.rv770.max_tile_pipes = 8;
1199 		rdev->config.rv770.max_simds = 10;
1200 		rdev->config.rv770.max_backends = 4;
1201 		rdev->config.rv770.max_gprs = 256;
1202 		rdev->config.rv770.max_threads = 248;
1203 		rdev->config.rv770.max_stack_entries = 512;
1204 		rdev->config.rv770.max_hw_contexts = 8;
1205 		rdev->config.rv770.max_gs_threads = 16 * 2;
1206 		rdev->config.rv770.sx_max_export_size = 128;
1207 		rdev->config.rv770.sx_max_export_pos_size = 16;
1208 		rdev->config.rv770.sx_max_export_smx_size = 112;
1209 		rdev->config.rv770.sq_num_cf_insts = 2;
1210 
1211 		rdev->config.rv770.sx_num_of_sets = 7;
1212 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
1213 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1214 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1215 		break;
1216 	case CHIP_RV730:
1217 		rdev->config.rv770.max_pipes = 2;
1218 		rdev->config.rv770.max_tile_pipes = 4;
1219 		rdev->config.rv770.max_simds = 8;
1220 		rdev->config.rv770.max_backends = 2;
1221 		rdev->config.rv770.max_gprs = 128;
1222 		rdev->config.rv770.max_threads = 248;
1223 		rdev->config.rv770.max_stack_entries = 256;
1224 		rdev->config.rv770.max_hw_contexts = 8;
1225 		rdev->config.rv770.max_gs_threads = 16 * 2;
1226 		rdev->config.rv770.sx_max_export_size = 256;
1227 		rdev->config.rv770.sx_max_export_pos_size = 32;
1228 		rdev->config.rv770.sx_max_export_smx_size = 224;
1229 		rdev->config.rv770.sq_num_cf_insts = 2;
1230 
1231 		rdev->config.rv770.sx_num_of_sets = 7;
1232 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
1233 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1234 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1235 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1236 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1237 			rdev->config.rv770.sx_max_export_smx_size += 16;
1238 		}
1239 		break;
1240 	case CHIP_RV710:
1241 		rdev->config.rv770.max_pipes = 2;
1242 		rdev->config.rv770.max_tile_pipes = 2;
1243 		rdev->config.rv770.max_simds = 2;
1244 		rdev->config.rv770.max_backends = 1;
1245 		rdev->config.rv770.max_gprs = 256;
1246 		rdev->config.rv770.max_threads = 192;
1247 		rdev->config.rv770.max_stack_entries = 256;
1248 		rdev->config.rv770.max_hw_contexts = 4;
1249 		rdev->config.rv770.max_gs_threads = 8 * 2;
1250 		rdev->config.rv770.sx_max_export_size = 128;
1251 		rdev->config.rv770.sx_max_export_pos_size = 16;
1252 		rdev->config.rv770.sx_max_export_smx_size = 112;
1253 		rdev->config.rv770.sq_num_cf_insts = 1;
1254 
1255 		rdev->config.rv770.sx_num_of_sets = 7;
1256 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
1257 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1258 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1259 		break;
1260 	case CHIP_RV740:
1261 		rdev->config.rv770.max_pipes = 4;
1262 		rdev->config.rv770.max_tile_pipes = 4;
1263 		rdev->config.rv770.max_simds = 8;
1264 		rdev->config.rv770.max_backends = 4;
1265 		rdev->config.rv770.max_gprs = 256;
1266 		rdev->config.rv770.max_threads = 248;
1267 		rdev->config.rv770.max_stack_entries = 512;
1268 		rdev->config.rv770.max_hw_contexts = 8;
1269 		rdev->config.rv770.max_gs_threads = 16 * 2;
1270 		rdev->config.rv770.sx_max_export_size = 256;
1271 		rdev->config.rv770.sx_max_export_pos_size = 32;
1272 		rdev->config.rv770.sx_max_export_smx_size = 224;
1273 		rdev->config.rv770.sq_num_cf_insts = 2;
1274 
1275 		rdev->config.rv770.sx_num_of_sets = 7;
1276 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
1277 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1278 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1279 
1280 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1281 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1282 			rdev->config.rv770.sx_max_export_smx_size += 16;
1283 		}
1284 		break;
1285 	default:
1286 		break;
1287 	}
1288 
1289 	/* Initialize HDP */
1290 	j = 0;
1291 	for (i = 0; i < 32; i++) {
1292 		WREG32((0x2c14 + j), 0x00000000);
1293 		WREG32((0x2c18 + j), 0x00000000);
1294 		WREG32((0x2c1c + j), 0x00000000);
1295 		WREG32((0x2c20 + j), 0x00000000);
1296 		WREG32((0x2c24 + j), 0x00000000);
1297 		j += 0x18;
1298 	}
1299 
1300 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1301 
1302 	/* setup tiling, simd, pipe config */
1303 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1304 
1305 	shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
1306 	inactive_pipes = (shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
1307 	for (i = 0, tmp = 1, active_number = 0; i < R7XX_MAX_PIPES; i++) {
1308 		if (!(inactive_pipes & tmp)) {
1309 			active_number++;
1310 		}
1311 		tmp <<= 1;
1312 	}
1313 	if (active_number == 1) {
1314 		WREG32(SPI_CONFIG_CNTL, DISABLE_INTERP_1);
1315 	} else {
1316 		WREG32(SPI_CONFIG_CNTL, 0);
1317 	}
1318 
1319 	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1320 	tmp = rdev->config.rv770.max_simds -
1321 		r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
1322 	rdev->config.rv770.active_simds = tmp;
1323 
1324 	switch (rdev->config.rv770.max_tile_pipes) {
1325 	case 1:
1326 	default:
1327 		gb_tiling_config = PIPE_TILING(0);
1328 		break;
1329 	case 2:
1330 		gb_tiling_config = PIPE_TILING(1);
1331 		break;
1332 	case 4:
1333 		gb_tiling_config = PIPE_TILING(2);
1334 		break;
1335 	case 8:
1336 		gb_tiling_config = PIPE_TILING(3);
1337 		break;
1338 	}
1339 	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
1340 
1341 	disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK;
1342 	tmp = 0;
1343 	for (i = 0; i < rdev->config.rv770.max_backends; i++)
1344 		tmp |= (1 << i);
1345 	/* if all the backends are disabled, fix it up here */
1346 	if ((disabled_rb_mask & tmp) == tmp) {
1347 		for (i = 0; i < rdev->config.rv770.max_backends; i++)
1348 			disabled_rb_mask &= ~(1 << i);
1349 	}
1350 	tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
1351 	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends,
1352 					R7XX_MAX_BACKENDS, disabled_rb_mask);
1353 	gb_tiling_config |= tmp << 16;
1354 	rdev->config.rv770.backend_map = tmp;
1355 
1356 	if (rdev->family == CHIP_RV770)
1357 		gb_tiling_config |= BANK_TILING(1);
1358 	else {
1359 		if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
1360 			gb_tiling_config |= BANK_TILING(1);
1361 		else
1362 			gb_tiling_config |= BANK_TILING(0);
1363 	}
1364 	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
1365 	gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1366 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
1367 		gb_tiling_config |= ROW_TILING(3);
1368 		gb_tiling_config |= SAMPLE_SPLIT(3);
1369 	} else {
1370 		gb_tiling_config |=
1371 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1372 		gb_tiling_config |=
1373 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1374 	}
1375 
1376 	gb_tiling_config |= BANK_SWAPS(1);
1377 	rdev->config.rv770.tile_config = gb_tiling_config;
1378 
1379 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
1380 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1381 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1382 	WREG32(DMA_TILING_CONFIG, (gb_tiling_config & 0xffff));
1383 	WREG32(DMA_TILING_CONFIG2, (gb_tiling_config & 0xffff));
1384 	if (rdev->family == CHIP_RV730) {
1385 		WREG32(UVD_UDEC_DB_TILING_CONFIG, (gb_tiling_config & 0xffff));
1386 		WREG32(UVD_UDEC_DBW_TILING_CONFIG, (gb_tiling_config & 0xffff));
1387 		WREG32(UVD_UDEC_TILING_CONFIG, (gb_tiling_config & 0xffff));
1388 	}
1389 
1390 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
1391 	WREG32(CGTS_TCC_DISABLE, 0);
1392 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1393 	WREG32(CGTS_USER_TCC_DISABLE, 0);
1394 
1395 
1396 	num_qd_pipes = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1397 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
1398 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1399 
1400 	/* set HW defaults for 3D engine */
1401 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1402 				     ROQ_IB2_START(0x2b)));
1403 
1404 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1405 
1406 	ta_aux_cntl = RREG32(TA_CNTL_AUX);
1407 	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
1408 
1409 	sx_debug_1 = RREG32(SX_DEBUG_1);
1410 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1411 	WREG32(SX_DEBUG_1, sx_debug_1);
1412 
1413 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1414 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
1415 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
1416 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1417 
1418 	if (rdev->family != CHIP_RV740)
1419 		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
1420 				       GS_FLUSH_CTL(4) |
1421 				       ACK_FLUSH_CTL(3) |
1422 				       SYNC_FLUSH_CTL));
1423 
1424 	if (rdev->family != CHIP_RV770)
1425 		WREG32(SMX_SAR_CTL0, 0x00003f3f);
1426 
1427 	db_debug3 = RREG32(DB_DEBUG3);
1428 	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
1429 	switch (rdev->family) {
1430 	case CHIP_RV770:
1431 	case CHIP_RV740:
1432 		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
1433 		break;
1434 	case CHIP_RV710:
1435 	case CHIP_RV730:
1436 	default:
1437 		db_debug3 |= DB_CLK_OFF_DELAY(2);
1438 		break;
1439 	}
1440 	WREG32(DB_DEBUG3, db_debug3);
1441 
1442 	if (rdev->family != CHIP_RV770) {
1443 		db_debug4 = RREG32(DB_DEBUG4);
1444 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
1445 		WREG32(DB_DEBUG4, db_debug4);
1446 	}
1447 
1448 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
1449 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
1450 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
1451 
1452 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
1453 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
1454 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
1455 
1456 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1457 
1458 	WREG32(VGT_NUM_INSTANCES, 1);
1459 
1460 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1461 
1462 	WREG32(CP_PERFMON_CNTL, 0);
1463 
1464 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
1465 			    DONE_FIFO_HIWATER(0xe0) |
1466 			    ALU_UPDATE_FIFO_HIWATER(0x8));
1467 	switch (rdev->family) {
1468 	case CHIP_RV770:
1469 	case CHIP_RV730:
1470 	case CHIP_RV710:
1471 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
1472 		break;
1473 	case CHIP_RV740:
1474 	default:
1475 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
1476 		break;
1477 	}
1478 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
1479 
1480 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1481 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1482 	 */
1483 	sq_config = RREG32(SQ_CONFIG);
1484 	sq_config &= ~(PS_PRIO(3) |
1485 		       VS_PRIO(3) |
1486 		       GS_PRIO(3) |
1487 		       ES_PRIO(3));
1488 	sq_config |= (DX9_CONSTS |
1489 		      VC_ENABLE |
1490 		      EXPORT_SRC_C |
1491 		      PS_PRIO(0) |
1492 		      VS_PRIO(1) |
1493 		      GS_PRIO(2) |
1494 		      ES_PRIO(3));
1495 	if (rdev->family == CHIP_RV710)
1496 		/* no vertex cache */
1497 		sq_config &= ~VC_ENABLE;
1498 
1499 	WREG32(SQ_CONFIG, sq_config);
1500 
1501 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1502 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1503 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
1504 
1505 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
1506 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
1507 
1508 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
1509 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
1510 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
1511 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
1512 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
1513 	else
1514 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
1515 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1516 
1517 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1518 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1519 
1520 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1521 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1522 
1523 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1524 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
1525 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1526 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
1527 
1528 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
1529 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
1530 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
1531 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
1532 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
1533 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
1534 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
1535 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
1536 
1537 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1538 					  FORCE_EOV_MAX_REZ_CNT(255)));
1539 
1540 	if (rdev->family == CHIP_RV710)
1541 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
1542 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1543 	else
1544 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
1545 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1546 
1547 	switch (rdev->family) {
1548 	case CHIP_RV770:
1549 	case CHIP_RV730:
1550 	case CHIP_RV740:
1551 		gs_prim_buffer_depth = 384;
1552 		break;
1553 	case CHIP_RV710:
1554 		gs_prim_buffer_depth = 128;
1555 		break;
1556 	default:
1557 		break;
1558 	}
1559 
1560 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
1561 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1562 	/* Max value for this is 256 */
1563 	if (vgt_gs_per_es > 256)
1564 		vgt_gs_per_es = 256;
1565 
1566 	WREG32(VGT_ES_PER_GS, 128);
1567 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
1568 	WREG32(VGT_GS_PER_VS, 2);
1569 
1570 	/* more default values. 2D/3D driver should adjust as needed */
1571 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1572 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1573 	WREG32(VGT_STRMOUT_EN, 0);
1574 	WREG32(SX_MISC, 0);
1575 	WREG32(PA_SC_MODE_CNTL, 0);
1576 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
1577 	WREG32(PA_SC_AA_CONFIG, 0);
1578 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
1579 	WREG32(PA_SC_LINE_STIPPLE, 0);
1580 	WREG32(SPI_INPUT_Z, 0);
1581 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1582 	WREG32(CB_COLOR7_FRAG, 0);
1583 
1584 	/* clear render buffer base addresses */
1585 	WREG32(CB_COLOR0_BASE, 0);
1586 	WREG32(CB_COLOR1_BASE, 0);
1587 	WREG32(CB_COLOR2_BASE, 0);
1588 	WREG32(CB_COLOR3_BASE, 0);
1589 	WREG32(CB_COLOR4_BASE, 0);
1590 	WREG32(CB_COLOR5_BASE, 0);
1591 	WREG32(CB_COLOR6_BASE, 0);
1592 	WREG32(CB_COLOR7_BASE, 0);
1593 
1594 	WREG32(TCP_CNTL, 0);
1595 
1596 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1597 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1598 
1599 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1600 
1601 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1602 					  NUM_CLIP_SEQ(3)));
1603 	WREG32(VC_ENHANCE, 0);
1604 }
1605 
1606 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1607 {
1608 	u64 size_bf, size_af;
1609 
1610 	if (mc->mc_vram_size > 0xE0000000) {
1611 		/* leave room for at least 512M GTT */
1612 		dev_warn(rdev->dev, "limiting VRAM\n");
1613 		mc->real_vram_size = 0xE0000000;
1614 		mc->mc_vram_size = 0xE0000000;
1615 	}
1616 	if (rdev->flags & RADEON_IS_AGP) {
1617 		size_bf = mc->gtt_start;
1618 		size_af = mc->mc_mask - mc->gtt_end;
1619 		if (size_bf > size_af) {
1620 			if (mc->mc_vram_size > size_bf) {
1621 				dev_warn(rdev->dev, "limiting VRAM\n");
1622 				mc->real_vram_size = size_bf;
1623 				mc->mc_vram_size = size_bf;
1624 			}
1625 			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1626 		} else {
1627 			if (mc->mc_vram_size > size_af) {
1628 				dev_warn(rdev->dev, "limiting VRAM\n");
1629 				mc->real_vram_size = size_af;
1630 				mc->mc_vram_size = size_af;
1631 			}
1632 			mc->vram_start = mc->gtt_end + 1;
1633 		}
1634 		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1635 		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1636 				mc->mc_vram_size >> 20, mc->vram_start,
1637 				mc->vram_end, mc->real_vram_size >> 20);
1638 	} else {
1639 		radeon_vram_location(rdev, &rdev->mc, 0);
1640 		rdev->mc.gtt_base_align = 0;
1641 		radeon_gtt_location(rdev, mc);
1642 	}
1643 }
1644 
1645 static int rv770_mc_init(struct radeon_device *rdev)
1646 {
1647 	u32 tmp;
1648 	int chansize, numchan;
1649 
1650 	/* Get VRAM informations */
1651 	rdev->mc.vram_is_ddr = true;
1652 	tmp = RREG32(MC_ARB_RAMCFG);
1653 	if (tmp & CHANSIZE_OVERRIDE) {
1654 		chansize = 16;
1655 	} else if (tmp & CHANSIZE_MASK) {
1656 		chansize = 64;
1657 	} else {
1658 		chansize = 32;
1659 	}
1660 	tmp = RREG32(MC_SHARED_CHMAP);
1661 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1662 	case 0:
1663 	default:
1664 		numchan = 1;
1665 		break;
1666 	case 1:
1667 		numchan = 2;
1668 		break;
1669 	case 2:
1670 		numchan = 4;
1671 		break;
1672 	case 3:
1673 		numchan = 8;
1674 		break;
1675 	}
1676 	rdev->mc.vram_width = numchan * chansize;
1677 	/* Could aper size report 0 ? */
1678 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1679 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1680 	/* Setup GPU memory space */
1681 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1682 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1683 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
1684 	r700_vram_gtt_location(rdev, &rdev->mc);
1685 	radeon_update_bandwidth_info(rdev);
1686 
1687 	return 0;
1688 }
1689 
1690 static void rv770_uvd_init(struct radeon_device *rdev)
1691 {
1692 	int r;
1693 
1694 	if (!rdev->has_uvd)
1695 		return;
1696 
1697 	r = radeon_uvd_init(rdev);
1698 	if (r) {
1699 		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
1700 		/*
1701 		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
1702 		 * to early fails uvd_v2_2_resume() and thus nothing happens
1703 		 * there. So it is pointless to try to go through that code
1704 		 * hence why we disable uvd here.
1705 		 */
1706 		rdev->has_uvd = false;
1707 		return;
1708 	}
1709 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
1710 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
1711 }
1712 
1713 static void rv770_uvd_start(struct radeon_device *rdev)
1714 {
1715 	int r;
1716 
1717 	if (!rdev->has_uvd)
1718 		return;
1719 
1720 	r = uvd_v2_2_resume(rdev);
1721 	if (r) {
1722 		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
1723 		goto error;
1724 	}
1725 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
1726 	if (r) {
1727 		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
1728 		goto error;
1729 	}
1730 	return;
1731 
1732 error:
1733 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
1734 }
1735 
1736 static void rv770_uvd_resume(struct radeon_device *rdev)
1737 {
1738 	struct radeon_ring *ring;
1739 	int r;
1740 
1741 	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
1742 		return;
1743 
1744 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
1745 	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
1746 	if (r) {
1747 		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
1748 		return;
1749 	}
1750 	r = uvd_v1_0_init(rdev);
1751 	if (r) {
1752 		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
1753 		return;
1754 	}
1755 }
1756 
1757 static int rv770_startup(struct radeon_device *rdev)
1758 {
1759 	struct radeon_ring *ring;
1760 	int r;
1761 
1762 	/* enable pcie gen2 link */
1763 	rv770_pcie_gen2_enable(rdev);
1764 
1765 	/* scratch needs to be initialized before MC */
1766 	r = r600_vram_scratch_init(rdev);
1767 	if (r)
1768 		return r;
1769 
1770 	rv770_mc_program(rdev);
1771 
1772 	if (rdev->flags & RADEON_IS_AGP) {
1773 		rv770_agp_enable(rdev);
1774 	} else {
1775 		r = rv770_pcie_gart_enable(rdev);
1776 		if (r)
1777 			return r;
1778 	}
1779 
1780 	rv770_gpu_init(rdev);
1781 
1782 	/* allocate wb buffer */
1783 	r = radeon_wb_init(rdev);
1784 	if (r)
1785 		return r;
1786 
1787 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1788 	if (r) {
1789 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1790 		return r;
1791 	}
1792 
1793 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
1794 	if (r) {
1795 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
1796 		return r;
1797 	}
1798 
1799 	rv770_uvd_start(rdev);
1800 
1801 	/* Enable IRQ */
1802 	if (!rdev->irq.installed) {
1803 		r = radeon_irq_kms_init(rdev);
1804 		if (r)
1805 			return r;
1806 	}
1807 
1808 	r = r600_irq_init(rdev);
1809 	if (r) {
1810 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
1811 		radeon_irq_kms_fini(rdev);
1812 		return r;
1813 	}
1814 	r600_irq_set(rdev);
1815 
1816 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1817 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1818 			     RADEON_CP_PACKET2);
1819 	if (r)
1820 		return r;
1821 
1822 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
1823 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
1824 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
1825 	if (r)
1826 		return r;
1827 
1828 	r = rv770_cp_load_microcode(rdev);
1829 	if (r)
1830 		return r;
1831 	r = r600_cp_resume(rdev);
1832 	if (r)
1833 		return r;
1834 
1835 	r = r600_dma_resume(rdev);
1836 	if (r)
1837 		return r;
1838 
1839 	rv770_uvd_resume(rdev);
1840 
1841 	r = radeon_ib_pool_init(rdev);
1842 	if (r) {
1843 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1844 		return r;
1845 	}
1846 
1847 	r = radeon_audio_init(rdev);
1848 	if (r) {
1849 		DRM_ERROR("radeon: audio init failed\n");
1850 		return r;
1851 	}
1852 
1853 	return 0;
1854 }
1855 
1856 int rv770_resume(struct radeon_device *rdev)
1857 {
1858 	int r;
1859 
1860 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1861 	 * posting will perform necessary task to bring back GPU into good
1862 	 * shape.
1863 	 */
1864 	/* post card */
1865 	atom_asic_init(rdev->mode_info.atom_context);
1866 
1867 	/* init golden registers */
1868 	rv770_init_golden_registers(rdev);
1869 
1870 	if (rdev->pm.pm_method == PM_METHOD_DPM)
1871 		radeon_pm_resume(rdev);
1872 
1873 	rdev->accel_working = true;
1874 	r = rv770_startup(rdev);
1875 	if (r) {
1876 		DRM_ERROR("r600 startup failed on resume\n");
1877 		rdev->accel_working = false;
1878 		return r;
1879 	}
1880 
1881 	return r;
1882 
1883 }
1884 
1885 int rv770_suspend(struct radeon_device *rdev)
1886 {
1887 	radeon_pm_suspend(rdev);
1888 	radeon_audio_fini(rdev);
1889 	if (rdev->has_uvd) {
1890 		uvd_v1_0_fini(rdev);
1891 		radeon_uvd_suspend(rdev);
1892 	}
1893 	r700_cp_stop(rdev);
1894 	r600_dma_stop(rdev);
1895 	r600_irq_suspend(rdev);
1896 	radeon_wb_disable(rdev);
1897 	rv770_pcie_gart_disable(rdev);
1898 
1899 	return 0;
1900 }
1901 
1902 /* Plan is to move initialization in that function and use
1903  * helper function so that radeon_device_init pretty much
1904  * do nothing more than calling asic specific function. This
1905  * should also allow to remove a bunch of callback function
1906  * like vram_info.
1907  */
1908 int rv770_init(struct radeon_device *rdev)
1909 {
1910 	int r;
1911 
1912 	/* Read BIOS */
1913 	if (!radeon_get_bios(rdev)) {
1914 		if (ASIC_IS_AVIVO(rdev))
1915 			return -EINVAL;
1916 	}
1917 	/* Must be an ATOMBIOS */
1918 	if (!rdev->is_atom_bios) {
1919 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1920 		return -EINVAL;
1921 	}
1922 	r = radeon_atombios_init(rdev);
1923 	if (r)
1924 		return r;
1925 	/* Post card if necessary */
1926 	if (!radeon_card_posted(rdev)) {
1927 		if (!rdev->bios) {
1928 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1929 			return -EINVAL;
1930 		}
1931 		DRM_INFO("GPU not posted. posting now...\n");
1932 		atom_asic_init(rdev->mode_info.atom_context);
1933 	}
1934 	/* init golden registers */
1935 	rv770_init_golden_registers(rdev);
1936 	/* Initialize scratch registers */
1937 	r600_scratch_init(rdev);
1938 	/* Initialize surface registers */
1939 	radeon_surface_init(rdev);
1940 	/* Initialize clocks */
1941 	radeon_get_clock_info(rdev->ddev);
1942 	/* Fence driver */
1943 	r = radeon_fence_driver_init(rdev);
1944 	if (r)
1945 		return r;
1946 	/* initialize AGP */
1947 	if (rdev->flags & RADEON_IS_AGP) {
1948 		r = radeon_agp_init(rdev);
1949 		if (r)
1950 			radeon_agp_disable(rdev);
1951 	}
1952 	r = rv770_mc_init(rdev);
1953 	if (r)
1954 		return r;
1955 	/* Memory manager */
1956 	r = radeon_bo_init(rdev);
1957 	if (r)
1958 		return r;
1959 
1960 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1961 		r = r600_init_microcode(rdev);
1962 		if (r) {
1963 			DRM_ERROR("Failed to load firmware!\n");
1964 			return r;
1965 		}
1966 	}
1967 
1968 	/* Initialize power management */
1969 	radeon_pm_init(rdev);
1970 
1971 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
1972 	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1973 
1974 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
1975 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
1976 
1977 	rv770_uvd_init(rdev);
1978 
1979 	rdev->ih.ring_obj = NULL;
1980 	r600_ih_ring_init(rdev, 64 * 1024);
1981 
1982 	r = r600_pcie_gart_init(rdev);
1983 	if (r)
1984 		return r;
1985 
1986 	rdev->accel_working = true;
1987 	r = rv770_startup(rdev);
1988 	if (r) {
1989 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1990 		r700_cp_fini(rdev);
1991 		r600_dma_fini(rdev);
1992 		r600_irq_fini(rdev);
1993 		radeon_wb_fini(rdev);
1994 		radeon_ib_pool_fini(rdev);
1995 		radeon_irq_kms_fini(rdev);
1996 		rv770_pcie_gart_fini(rdev);
1997 		rdev->accel_working = false;
1998 	}
1999 
2000 	return 0;
2001 }
2002 
2003 void rv770_fini(struct radeon_device *rdev)
2004 {
2005 	radeon_pm_fini(rdev);
2006 	r700_cp_fini(rdev);
2007 	r600_dma_fini(rdev);
2008 	r600_irq_fini(rdev);
2009 	radeon_wb_fini(rdev);
2010 	radeon_ib_pool_fini(rdev);
2011 	radeon_irq_kms_fini(rdev);
2012 	uvd_v1_0_fini(rdev);
2013 	radeon_uvd_fini(rdev);
2014 	rv770_pcie_gart_fini(rdev);
2015 	r600_vram_scratch_fini(rdev);
2016 	radeon_gem_fini(rdev);
2017 	radeon_fence_driver_fini(rdev);
2018 	radeon_agp_fini(rdev);
2019 	radeon_bo_fini(rdev);
2020 	radeon_atombios_fini(rdev);
2021 	kfree(rdev->bios);
2022 	rdev->bios = NULL;
2023 }
2024 
2025 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
2026 {
2027 	u32 link_width_cntl, lanes, speed_cntl, tmp;
2028 	u16 link_cntl2;
2029 
2030 	if (radeon_pcie_gen2 == 0)
2031 		return;
2032 
2033 	if (rdev->flags & RADEON_IS_IGP)
2034 		return;
2035 
2036 	if (!(rdev->flags & RADEON_IS_PCIE))
2037 		return;
2038 
2039 	/* x2 cards have a special sequence */
2040 	if (ASIC_IS_X2(rdev))
2041 		return;
2042 
2043 	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
2044 		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
2045 		return;
2046 
2047 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
2048 
2049 	/* advertise upconfig capability */
2050 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2051 	link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2052 	WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2053 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2054 	if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
2055 		lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
2056 		link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
2057 				     LC_RECONFIG_ARC_MISSING_ESCAPE);
2058 		link_width_cntl |= lanes | LC_RECONFIG_NOW |
2059 			LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
2060 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2061 	} else {
2062 		link_width_cntl |= LC_UPCONFIGURE_DIS;
2063 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2064 	}
2065 
2066 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2067 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
2068 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
2069 
2070 		tmp = RREG32(0x541c);
2071 		WREG32(0x541c, tmp | 0x8);
2072 		WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
2073 		link_cntl2 = RREG16(0x4088);
2074 		link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
2075 		link_cntl2 |= 0x2;
2076 		WREG16(0x4088, link_cntl2);
2077 		WREG32(MM_CFGREGS_CNTL, 0);
2078 
2079 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2080 		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
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_CLR_FAILED_SPD_CHANGE_CNT;
2089 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2090 
2091 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2092 		speed_cntl |= LC_GEN2_EN_STRAP;
2093 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2094 
2095 	} else {
2096 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2097 		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
2098 		if (1)
2099 			link_width_cntl |= LC_UPCONFIGURE_DIS;
2100 		else
2101 			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2102 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2103 	}
2104 }
2105