xref: /openbmc/linux/drivers/gpu/drm/radeon/rv770.c (revision 1fc59eda33e55f8787901e3501d695bf5ecec48b)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #include <linux/firmware.h>
29 #include <linux/platform_device.h>
30 #include "drmP.h"
31 #include "radeon.h"
32 #include "radeon_drm.h"
33 #include "rv770d.h"
34 #include "atom.h"
35 #include "avivod.h"
36 
37 #define R700_PFP_UCODE_SIZE 848
38 #define R700_PM4_UCODE_SIZE 1360
39 
40 static void rv770_gpu_init(struct radeon_device *rdev);
41 void rv770_fini(struct radeon_device *rdev);
42 
43 
44 /*
45  * GART
46  */
47 int rv770_pcie_gart_enable(struct radeon_device *rdev)
48 {
49 	u32 tmp;
50 	int r, i;
51 
52 	if (rdev->gart.table.vram.robj == NULL) {
53 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
54 		return -EINVAL;
55 	}
56 	r = radeon_gart_table_vram_pin(rdev);
57 	if (r)
58 		return r;
59 	radeon_gart_restore(rdev);
60 	/* Setup L2 cache */
61 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
62 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
63 				EFFECTIVE_L2_QUEUE_SIZE(7));
64 	WREG32(VM_L2_CNTL2, 0);
65 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
66 	/* Setup TLB control */
67 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
68 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
69 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
70 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
71 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
72 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
73 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
74 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
75 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
76 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
77 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
78 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
79 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
80 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
81 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
82 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
83 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
84 			(u32)(rdev->dummy_page.addr >> 12));
85 	for (i = 1; i < 7; i++)
86 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
87 
88 	r600_pcie_gart_tlb_flush(rdev);
89 	rdev->gart.ready = true;
90 	return 0;
91 }
92 
93 void rv770_pcie_gart_disable(struct radeon_device *rdev)
94 {
95 	u32 tmp;
96 	int i, r;
97 
98 	/* Disable all tables */
99 	for (i = 0; i < 7; i++)
100 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
101 
102 	/* Setup L2 cache */
103 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
104 				EFFECTIVE_L2_QUEUE_SIZE(7));
105 	WREG32(VM_L2_CNTL2, 0);
106 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
107 	/* Setup TLB control */
108 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
109 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
110 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
111 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
112 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
113 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
114 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
115 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
116 	if (rdev->gart.table.vram.robj) {
117 		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
118 		if (likely(r == 0)) {
119 			radeon_bo_kunmap(rdev->gart.table.vram.robj);
120 			radeon_bo_unpin(rdev->gart.table.vram.robj);
121 			radeon_bo_unreserve(rdev->gart.table.vram.robj);
122 		}
123 	}
124 }
125 
126 void rv770_pcie_gart_fini(struct radeon_device *rdev)
127 {
128 	rv770_pcie_gart_disable(rdev);
129 	radeon_gart_table_vram_free(rdev);
130 	radeon_gart_fini(rdev);
131 }
132 
133 
134 void rv770_agp_enable(struct radeon_device *rdev)
135 {
136 	u32 tmp;
137 	int i;
138 
139 	/* Setup L2 cache */
140 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
141 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
142 				EFFECTIVE_L2_QUEUE_SIZE(7));
143 	WREG32(VM_L2_CNTL2, 0);
144 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
145 	/* Setup TLB control */
146 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
147 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
148 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
149 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
150 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
151 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
152 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
153 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
154 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
155 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
156 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
157 	for (i = 0; i < 7; i++)
158 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
159 }
160 
161 static void rv770_mc_program(struct radeon_device *rdev)
162 {
163 	struct rv515_mc_save save;
164 	u32 tmp;
165 	int i, j;
166 
167 	/* Initialize HDP */
168 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
169 		WREG32((0x2c14 + j), 0x00000000);
170 		WREG32((0x2c18 + j), 0x00000000);
171 		WREG32((0x2c1c + j), 0x00000000);
172 		WREG32((0x2c20 + j), 0x00000000);
173 		WREG32((0x2c24 + j), 0x00000000);
174 	}
175 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
176 
177 	rv515_mc_stop(rdev, &save);
178 	if (r600_mc_wait_for_idle(rdev)) {
179 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
180 	}
181 	/* Lockout access through VGA aperture*/
182 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
183 	/* Update configuration */
184 	if (rdev->flags & RADEON_IS_AGP) {
185 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
186 			/* VRAM before AGP */
187 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
188 				rdev->mc.vram_start >> 12);
189 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
190 				rdev->mc.gtt_end >> 12);
191 		} else {
192 			/* VRAM after AGP */
193 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
194 				rdev->mc.gtt_start >> 12);
195 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
196 				rdev->mc.vram_end >> 12);
197 		}
198 	} else {
199 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
200 			rdev->mc.vram_start >> 12);
201 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
202 			rdev->mc.vram_end >> 12);
203 	}
204 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
205 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
206 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
207 	WREG32(MC_VM_FB_LOCATION, tmp);
208 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
209 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
210 	WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
211 	if (rdev->flags & RADEON_IS_AGP) {
212 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
213 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
214 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
215 	} else {
216 		WREG32(MC_VM_AGP_BASE, 0);
217 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
218 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
219 	}
220 	if (r600_mc_wait_for_idle(rdev)) {
221 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
222 	}
223 	rv515_mc_resume(rdev, &save);
224 	/* we need to own VRAM, so turn off the VGA renderer here
225 	 * to stop it overwriting our objects */
226 	rv515_vga_render_disable(rdev);
227 }
228 
229 
230 /*
231  * CP.
232  */
233 void r700_cp_stop(struct radeon_device *rdev)
234 {
235 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
236 }
237 
238 
239 static int rv770_cp_load_microcode(struct radeon_device *rdev)
240 {
241 	const __be32 *fw_data;
242 	int i;
243 
244 	if (!rdev->me_fw || !rdev->pfp_fw)
245 		return -EINVAL;
246 
247 	r700_cp_stop(rdev);
248 	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
249 
250 	/* Reset cp */
251 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
252 	RREG32(GRBM_SOFT_RESET);
253 	mdelay(15);
254 	WREG32(GRBM_SOFT_RESET, 0);
255 
256 	fw_data = (const __be32 *)rdev->pfp_fw->data;
257 	WREG32(CP_PFP_UCODE_ADDR, 0);
258 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
259 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
260 	WREG32(CP_PFP_UCODE_ADDR, 0);
261 
262 	fw_data = (const __be32 *)rdev->me_fw->data;
263 	WREG32(CP_ME_RAM_WADDR, 0);
264 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
265 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
266 
267 	WREG32(CP_PFP_UCODE_ADDR, 0);
268 	WREG32(CP_ME_RAM_WADDR, 0);
269 	WREG32(CP_ME_RAM_RADDR, 0);
270 	return 0;
271 }
272 
273 
274 /*
275  * Core functions
276  */
277 static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
278 					     u32 num_tile_pipes,
279 					     u32 num_backends,
280 					     u32 backend_disable_mask)
281 {
282 	u32 backend_map = 0;
283 	u32 enabled_backends_mask;
284 	u32 enabled_backends_count;
285 	u32 cur_pipe;
286 	u32 swizzle_pipe[R7XX_MAX_PIPES];
287 	u32 cur_backend;
288 	u32 i;
289 	bool force_no_swizzle;
290 
291 	if (num_tile_pipes > R7XX_MAX_PIPES)
292 		num_tile_pipes = R7XX_MAX_PIPES;
293 	if (num_tile_pipes < 1)
294 		num_tile_pipes = 1;
295 	if (num_backends > R7XX_MAX_BACKENDS)
296 		num_backends = R7XX_MAX_BACKENDS;
297 	if (num_backends < 1)
298 		num_backends = 1;
299 
300 	enabled_backends_mask = 0;
301 	enabled_backends_count = 0;
302 	for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
303 		if (((backend_disable_mask >> i) & 1) == 0) {
304 			enabled_backends_mask |= (1 << i);
305 			++enabled_backends_count;
306 		}
307 		if (enabled_backends_count == num_backends)
308 			break;
309 	}
310 
311 	if (enabled_backends_count == 0) {
312 		enabled_backends_mask = 1;
313 		enabled_backends_count = 1;
314 	}
315 
316 	if (enabled_backends_count != num_backends)
317 		num_backends = enabled_backends_count;
318 
319 	switch (rdev->family) {
320 	case CHIP_RV770:
321 	case CHIP_RV730:
322 		force_no_swizzle = false;
323 		break;
324 	case CHIP_RV710:
325 	case CHIP_RV740:
326 	default:
327 		force_no_swizzle = true;
328 		break;
329 	}
330 
331 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
332 	switch (num_tile_pipes) {
333 	case 1:
334 		swizzle_pipe[0] = 0;
335 		break;
336 	case 2:
337 		swizzle_pipe[0] = 0;
338 		swizzle_pipe[1] = 1;
339 		break;
340 	case 3:
341 		if (force_no_swizzle) {
342 			swizzle_pipe[0] = 0;
343 			swizzle_pipe[1] = 1;
344 			swizzle_pipe[2] = 2;
345 		} else {
346 			swizzle_pipe[0] = 0;
347 			swizzle_pipe[1] = 2;
348 			swizzle_pipe[2] = 1;
349 		}
350 		break;
351 	case 4:
352 		if (force_no_swizzle) {
353 			swizzle_pipe[0] = 0;
354 			swizzle_pipe[1] = 1;
355 			swizzle_pipe[2] = 2;
356 			swizzle_pipe[3] = 3;
357 		} else {
358 			swizzle_pipe[0] = 0;
359 			swizzle_pipe[1] = 2;
360 			swizzle_pipe[2] = 3;
361 			swizzle_pipe[3] = 1;
362 		}
363 		break;
364 	case 5:
365 		if (force_no_swizzle) {
366 			swizzle_pipe[0] = 0;
367 			swizzle_pipe[1] = 1;
368 			swizzle_pipe[2] = 2;
369 			swizzle_pipe[3] = 3;
370 			swizzle_pipe[4] = 4;
371 		} else {
372 			swizzle_pipe[0] = 0;
373 			swizzle_pipe[1] = 2;
374 			swizzle_pipe[2] = 4;
375 			swizzle_pipe[3] = 1;
376 			swizzle_pipe[4] = 3;
377 		}
378 		break;
379 	case 6:
380 		if (force_no_swizzle) {
381 			swizzle_pipe[0] = 0;
382 			swizzle_pipe[1] = 1;
383 			swizzle_pipe[2] = 2;
384 			swizzle_pipe[3] = 3;
385 			swizzle_pipe[4] = 4;
386 			swizzle_pipe[5] = 5;
387 		} else {
388 			swizzle_pipe[0] = 0;
389 			swizzle_pipe[1] = 2;
390 			swizzle_pipe[2] = 4;
391 			swizzle_pipe[3] = 5;
392 			swizzle_pipe[4] = 3;
393 			swizzle_pipe[5] = 1;
394 		}
395 		break;
396 	case 7:
397 		if (force_no_swizzle) {
398 			swizzle_pipe[0] = 0;
399 			swizzle_pipe[1] = 1;
400 			swizzle_pipe[2] = 2;
401 			swizzle_pipe[3] = 3;
402 			swizzle_pipe[4] = 4;
403 			swizzle_pipe[5] = 5;
404 			swizzle_pipe[6] = 6;
405 		} else {
406 			swizzle_pipe[0] = 0;
407 			swizzle_pipe[1] = 2;
408 			swizzle_pipe[2] = 4;
409 			swizzle_pipe[3] = 6;
410 			swizzle_pipe[4] = 3;
411 			swizzle_pipe[5] = 1;
412 			swizzle_pipe[6] = 5;
413 		}
414 		break;
415 	case 8:
416 		if (force_no_swizzle) {
417 			swizzle_pipe[0] = 0;
418 			swizzle_pipe[1] = 1;
419 			swizzle_pipe[2] = 2;
420 			swizzle_pipe[3] = 3;
421 			swizzle_pipe[4] = 4;
422 			swizzle_pipe[5] = 5;
423 			swizzle_pipe[6] = 6;
424 			swizzle_pipe[7] = 7;
425 		} else {
426 			swizzle_pipe[0] = 0;
427 			swizzle_pipe[1] = 2;
428 			swizzle_pipe[2] = 4;
429 			swizzle_pipe[3] = 6;
430 			swizzle_pipe[4] = 3;
431 			swizzle_pipe[5] = 1;
432 			swizzle_pipe[6] = 7;
433 			swizzle_pipe[7] = 5;
434 		}
435 		break;
436 	}
437 
438 	cur_backend = 0;
439 	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
440 		while (((1 << cur_backend) & enabled_backends_mask) == 0)
441 			cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
442 
443 		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
444 
445 		cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
446 	}
447 
448 	return backend_map;
449 }
450 
451 static void rv770_gpu_init(struct radeon_device *rdev)
452 {
453 	int i, j, num_qd_pipes;
454 	u32 ta_aux_cntl;
455 	u32 sx_debug_1;
456 	u32 smx_dc_ctl0;
457 	u32 db_debug3;
458 	u32 num_gs_verts_per_thread;
459 	u32 vgt_gs_per_es;
460 	u32 gs_prim_buffer_depth = 0;
461 	u32 sq_ms_fifo_sizes;
462 	u32 sq_config;
463 	u32 sq_thread_resource_mgmt;
464 	u32 hdp_host_path_cntl;
465 	u32 sq_dyn_gpr_size_simd_ab_0;
466 	u32 backend_map;
467 	u32 gb_tiling_config = 0;
468 	u32 cc_rb_backend_disable = 0;
469 	u32 cc_gc_shader_pipe_config = 0;
470 	u32 mc_arb_ramcfg;
471 	u32 db_debug4;
472 
473 	/* setup chip specs */
474 	switch (rdev->family) {
475 	case CHIP_RV770:
476 		rdev->config.rv770.max_pipes = 4;
477 		rdev->config.rv770.max_tile_pipes = 8;
478 		rdev->config.rv770.max_simds = 10;
479 		rdev->config.rv770.max_backends = 4;
480 		rdev->config.rv770.max_gprs = 256;
481 		rdev->config.rv770.max_threads = 248;
482 		rdev->config.rv770.max_stack_entries = 512;
483 		rdev->config.rv770.max_hw_contexts = 8;
484 		rdev->config.rv770.max_gs_threads = 16 * 2;
485 		rdev->config.rv770.sx_max_export_size = 128;
486 		rdev->config.rv770.sx_max_export_pos_size = 16;
487 		rdev->config.rv770.sx_max_export_smx_size = 112;
488 		rdev->config.rv770.sq_num_cf_insts = 2;
489 
490 		rdev->config.rv770.sx_num_of_sets = 7;
491 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
492 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
493 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
494 		break;
495 	case CHIP_RV730:
496 		rdev->config.rv770.max_pipes = 2;
497 		rdev->config.rv770.max_tile_pipes = 4;
498 		rdev->config.rv770.max_simds = 8;
499 		rdev->config.rv770.max_backends = 2;
500 		rdev->config.rv770.max_gprs = 128;
501 		rdev->config.rv770.max_threads = 248;
502 		rdev->config.rv770.max_stack_entries = 256;
503 		rdev->config.rv770.max_hw_contexts = 8;
504 		rdev->config.rv770.max_gs_threads = 16 * 2;
505 		rdev->config.rv770.sx_max_export_size = 256;
506 		rdev->config.rv770.sx_max_export_pos_size = 32;
507 		rdev->config.rv770.sx_max_export_smx_size = 224;
508 		rdev->config.rv770.sq_num_cf_insts = 2;
509 
510 		rdev->config.rv770.sx_num_of_sets = 7;
511 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
512 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
513 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
514 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
515 			rdev->config.rv770.sx_max_export_pos_size -= 16;
516 			rdev->config.rv770.sx_max_export_smx_size += 16;
517 		}
518 		break;
519 	case CHIP_RV710:
520 		rdev->config.rv770.max_pipes = 2;
521 		rdev->config.rv770.max_tile_pipes = 2;
522 		rdev->config.rv770.max_simds = 2;
523 		rdev->config.rv770.max_backends = 1;
524 		rdev->config.rv770.max_gprs = 256;
525 		rdev->config.rv770.max_threads = 192;
526 		rdev->config.rv770.max_stack_entries = 256;
527 		rdev->config.rv770.max_hw_contexts = 4;
528 		rdev->config.rv770.max_gs_threads = 8 * 2;
529 		rdev->config.rv770.sx_max_export_size = 128;
530 		rdev->config.rv770.sx_max_export_pos_size = 16;
531 		rdev->config.rv770.sx_max_export_smx_size = 112;
532 		rdev->config.rv770.sq_num_cf_insts = 1;
533 
534 		rdev->config.rv770.sx_num_of_sets = 7;
535 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
536 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
537 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
538 		break;
539 	case CHIP_RV740:
540 		rdev->config.rv770.max_pipes = 4;
541 		rdev->config.rv770.max_tile_pipes = 4;
542 		rdev->config.rv770.max_simds = 8;
543 		rdev->config.rv770.max_backends = 4;
544 		rdev->config.rv770.max_gprs = 256;
545 		rdev->config.rv770.max_threads = 248;
546 		rdev->config.rv770.max_stack_entries = 512;
547 		rdev->config.rv770.max_hw_contexts = 8;
548 		rdev->config.rv770.max_gs_threads = 16 * 2;
549 		rdev->config.rv770.sx_max_export_size = 256;
550 		rdev->config.rv770.sx_max_export_pos_size = 32;
551 		rdev->config.rv770.sx_max_export_smx_size = 224;
552 		rdev->config.rv770.sq_num_cf_insts = 2;
553 
554 		rdev->config.rv770.sx_num_of_sets = 7;
555 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
556 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
557 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
558 
559 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
560 			rdev->config.rv770.sx_max_export_pos_size -= 16;
561 			rdev->config.rv770.sx_max_export_smx_size += 16;
562 		}
563 		break;
564 	default:
565 		break;
566 	}
567 
568 	/* Initialize HDP */
569 	j = 0;
570 	for (i = 0; i < 32; i++) {
571 		WREG32((0x2c14 + j), 0x00000000);
572 		WREG32((0x2c18 + j), 0x00000000);
573 		WREG32((0x2c1c + j), 0x00000000);
574 		WREG32((0x2c20 + j), 0x00000000);
575 		WREG32((0x2c24 + j), 0x00000000);
576 		j += 0x18;
577 	}
578 
579 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
580 
581 	/* setup tiling, simd, pipe config */
582 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
583 
584 	switch (rdev->config.rv770.max_tile_pipes) {
585 	case 1:
586 	default:
587 		gb_tiling_config |= PIPE_TILING(0);
588 		break;
589 	case 2:
590 		gb_tiling_config |= PIPE_TILING(1);
591 		break;
592 	case 4:
593 		gb_tiling_config |= PIPE_TILING(2);
594 		break;
595 	case 8:
596 		gb_tiling_config |= PIPE_TILING(3);
597 		break;
598 	}
599 	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
600 
601 	if (rdev->family == CHIP_RV770)
602 		gb_tiling_config |= BANK_TILING(1);
603 	else
604 		gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
605 	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
606 
607 	gb_tiling_config |= GROUP_SIZE(0);
608 	rdev->config.rv770.tiling_group_size = 256;
609 
610 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
611 		gb_tiling_config |= ROW_TILING(3);
612 		gb_tiling_config |= SAMPLE_SPLIT(3);
613 	} else {
614 		gb_tiling_config |=
615 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
616 		gb_tiling_config |=
617 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
618 	}
619 
620 	gb_tiling_config |= BANK_SWAPS(1);
621 
622 	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
623 	cc_rb_backend_disable |=
624 		BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
625 
626 	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
627 	cc_gc_shader_pipe_config |=
628 		INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
629 	cc_gc_shader_pipe_config |=
630 		INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
631 
632 	if (rdev->family == CHIP_RV740)
633 		backend_map = 0x28;
634 	else
635 		backend_map = r700_get_tile_pipe_to_backend_map(rdev,
636 								rdev->config.rv770.max_tile_pipes,
637 								(R7XX_MAX_BACKENDS -
638 								 r600_count_pipe_bits((cc_rb_backend_disable &
639 										       R7XX_MAX_BACKENDS_MASK) >> 16)),
640 								(cc_rb_backend_disable >> 16));
641 	gb_tiling_config |= BACKEND_MAP(backend_map);
642 
643 
644 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
645 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
646 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
647 
648 	WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
649 	WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
650 	WREG32(CC_SYS_RB_BACKEND_DISABLE,  cc_rb_backend_disable);
651 
652 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
653 	WREG32(CGTS_TCC_DISABLE, 0);
654 
655 	num_qd_pipes =
656 		R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
657 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
658 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
659 
660 	/* set HW defaults for 3D engine */
661 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
662 				     ROQ_IB2_START(0x2b)));
663 
664 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
665 
666 	ta_aux_cntl = RREG32(TA_CNTL_AUX);
667 	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
668 
669 	sx_debug_1 = RREG32(SX_DEBUG_1);
670 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
671 	WREG32(SX_DEBUG_1, sx_debug_1);
672 
673 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
674 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
675 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
676 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
677 
678 	if (rdev->family != CHIP_RV740)
679 		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
680 				       GS_FLUSH_CTL(4) |
681 				       ACK_FLUSH_CTL(3) |
682 				       SYNC_FLUSH_CTL));
683 
684 	db_debug3 = RREG32(DB_DEBUG3);
685 	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
686 	switch (rdev->family) {
687 	case CHIP_RV770:
688 	case CHIP_RV740:
689 		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
690 		break;
691 	case CHIP_RV710:
692 	case CHIP_RV730:
693 	default:
694 		db_debug3 |= DB_CLK_OFF_DELAY(2);
695 		break;
696 	}
697 	WREG32(DB_DEBUG3, db_debug3);
698 
699 	if (rdev->family != CHIP_RV770) {
700 		db_debug4 = RREG32(DB_DEBUG4);
701 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
702 		WREG32(DB_DEBUG4, db_debug4);
703 	}
704 
705 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
706 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
707 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
708 
709 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
710 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
711 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
712 
713 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
714 
715 	WREG32(VGT_NUM_INSTANCES, 1);
716 
717 	WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
718 
719 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
720 
721 	WREG32(CP_PERFMON_CNTL, 0);
722 
723 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
724 			    DONE_FIFO_HIWATER(0xe0) |
725 			    ALU_UPDATE_FIFO_HIWATER(0x8));
726 	switch (rdev->family) {
727 	case CHIP_RV770:
728 	case CHIP_RV730:
729 	case CHIP_RV710:
730 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
731 		break;
732 	case CHIP_RV740:
733 	default:
734 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
735 		break;
736 	}
737 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
738 
739 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
740 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
741 	 */
742 	sq_config = RREG32(SQ_CONFIG);
743 	sq_config &= ~(PS_PRIO(3) |
744 		       VS_PRIO(3) |
745 		       GS_PRIO(3) |
746 		       ES_PRIO(3));
747 	sq_config |= (DX9_CONSTS |
748 		      VC_ENABLE |
749 		      EXPORT_SRC_C |
750 		      PS_PRIO(0) |
751 		      VS_PRIO(1) |
752 		      GS_PRIO(2) |
753 		      ES_PRIO(3));
754 	if (rdev->family == CHIP_RV710)
755 		/* no vertex cache */
756 		sq_config &= ~VC_ENABLE;
757 
758 	WREG32(SQ_CONFIG, sq_config);
759 
760 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
761 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
762 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
763 
764 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
765 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
766 
767 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
768 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
769 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
770 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
771 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
772 	else
773 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
774 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
775 
776 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
777 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
778 
779 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
780 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
781 
782 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
783 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
784 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
785 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
786 
787 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
788 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
789 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
790 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
791 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
792 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
793 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
794 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
795 
796 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
797 					  FORCE_EOV_MAX_REZ_CNT(255)));
798 
799 	if (rdev->family == CHIP_RV710)
800 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
801 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
802 	else
803 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
804 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
805 
806 	switch (rdev->family) {
807 	case CHIP_RV770:
808 	case CHIP_RV730:
809 	case CHIP_RV740:
810 		gs_prim_buffer_depth = 384;
811 		break;
812 	case CHIP_RV710:
813 		gs_prim_buffer_depth = 128;
814 		break;
815 	default:
816 		break;
817 	}
818 
819 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
820 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
821 	/* Max value for this is 256 */
822 	if (vgt_gs_per_es > 256)
823 		vgt_gs_per_es = 256;
824 
825 	WREG32(VGT_ES_PER_GS, 128);
826 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
827 	WREG32(VGT_GS_PER_VS, 2);
828 
829 	/* more default values. 2D/3D driver should adjust as needed */
830 	WREG32(VGT_GS_VERTEX_REUSE, 16);
831 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
832 	WREG32(VGT_STRMOUT_EN, 0);
833 	WREG32(SX_MISC, 0);
834 	WREG32(PA_SC_MODE_CNTL, 0);
835 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
836 	WREG32(PA_SC_AA_CONFIG, 0);
837 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
838 	WREG32(PA_SC_LINE_STIPPLE, 0);
839 	WREG32(SPI_INPUT_Z, 0);
840 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
841 	WREG32(CB_COLOR7_FRAG, 0);
842 
843 	/* clear render buffer base addresses */
844 	WREG32(CB_COLOR0_BASE, 0);
845 	WREG32(CB_COLOR1_BASE, 0);
846 	WREG32(CB_COLOR2_BASE, 0);
847 	WREG32(CB_COLOR3_BASE, 0);
848 	WREG32(CB_COLOR4_BASE, 0);
849 	WREG32(CB_COLOR5_BASE, 0);
850 	WREG32(CB_COLOR6_BASE, 0);
851 	WREG32(CB_COLOR7_BASE, 0);
852 
853 	WREG32(TCP_CNTL, 0);
854 
855 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
856 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
857 
858 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
859 
860 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
861 					  NUM_CLIP_SEQ(3)));
862 
863 }
864 
865 int rv770_mc_init(struct radeon_device *rdev)
866 {
867 	fixed20_12 a;
868 	u32 tmp;
869 	int chansize, numchan;
870 
871 	/* Get VRAM informations */
872 	rdev->mc.vram_is_ddr = true;
873 	tmp = RREG32(MC_ARB_RAMCFG);
874 	if (tmp & CHANSIZE_OVERRIDE) {
875 		chansize = 16;
876 	} else if (tmp & CHANSIZE_MASK) {
877 		chansize = 64;
878 	} else {
879 		chansize = 32;
880 	}
881 	tmp = RREG32(MC_SHARED_CHMAP);
882 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
883 	case 0:
884 	default:
885 		numchan = 1;
886 		break;
887 	case 1:
888 		numchan = 2;
889 		break;
890 	case 2:
891 		numchan = 4;
892 		break;
893 	case 3:
894 		numchan = 8;
895 		break;
896 	}
897 	rdev->mc.vram_width = numchan * chansize;
898 	/* Could aper size report 0 ? */
899 	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
900 	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
901 	/* Setup GPU memory space */
902 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
903 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
904 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
905 	/* FIXME remove this once we support unmappable VRAM */
906 	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
907 		rdev->mc.mc_vram_size = rdev->mc.aper_size;
908 		rdev->mc.real_vram_size = rdev->mc.aper_size;
909 	}
910 	r600_vram_gtt_location(rdev, &rdev->mc);
911 	/* FIXME: we should enforce default clock in case GPU is not in
912 	 * default setup
913 	 */
914 	a.full = rfixed_const(100);
915 	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
916 	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
917 	return 0;
918 }
919 
920 int rv770_gpu_reset(struct radeon_device *rdev)
921 {
922 	/* FIXME: implement any rv770 specific bits */
923 	return r600_gpu_reset(rdev);
924 }
925 
926 static int rv770_startup(struct radeon_device *rdev)
927 {
928 	int r;
929 
930 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
931 		r = r600_init_microcode(rdev);
932 		if (r) {
933 			DRM_ERROR("Failed to load firmware!\n");
934 			return r;
935 		}
936 	}
937 
938 	rv770_mc_program(rdev);
939 	if (rdev->flags & RADEON_IS_AGP) {
940 		rv770_agp_enable(rdev);
941 	} else {
942 		r = rv770_pcie_gart_enable(rdev);
943 		if (r)
944 			return r;
945 	}
946 	rv770_gpu_init(rdev);
947 	r = r600_blit_init(rdev);
948 	if (r) {
949 		r600_blit_fini(rdev);
950 		rdev->asic->copy = NULL;
951 		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
952 	}
953 	/* pin copy shader into vram */
954 	if (rdev->r600_blit.shader_obj) {
955 		r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
956 		if (unlikely(r != 0))
957 			return r;
958 		r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
959 				&rdev->r600_blit.shader_gpu_addr);
960 		radeon_bo_unreserve(rdev->r600_blit.shader_obj);
961 		if (r) {
962 			DRM_ERROR("failed to pin blit object %d\n", r);
963 			return r;
964 		}
965 	}
966 	/* Enable IRQ */
967 	r = r600_irq_init(rdev);
968 	if (r) {
969 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
970 		radeon_irq_kms_fini(rdev);
971 		return r;
972 	}
973 	r600_irq_set(rdev);
974 
975 	r = radeon_ring_init(rdev, rdev->cp.ring_size);
976 	if (r)
977 		return r;
978 	r = rv770_cp_load_microcode(rdev);
979 	if (r)
980 		return r;
981 	r = r600_cp_resume(rdev);
982 	if (r)
983 		return r;
984 	/* write back buffer are not vital so don't worry about failure */
985 	r600_wb_enable(rdev);
986 	return 0;
987 }
988 
989 int rv770_resume(struct radeon_device *rdev)
990 {
991 	int r;
992 
993 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
994 	 * posting will perform necessary task to bring back GPU into good
995 	 * shape.
996 	 */
997 	/* post card */
998 	atom_asic_init(rdev->mode_info.atom_context);
999 	/* Initialize clocks */
1000 	r = radeon_clocks_init(rdev);
1001 	if (r) {
1002 		return r;
1003 	}
1004 
1005 	r = rv770_startup(rdev);
1006 	if (r) {
1007 		DRM_ERROR("r600 startup failed on resume\n");
1008 		return r;
1009 	}
1010 
1011 	r = r600_ib_test(rdev);
1012 	if (r) {
1013 		DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1014 		return r;
1015 	}
1016 
1017 	r = r600_audio_init(rdev);
1018 	if (r) {
1019 		dev_err(rdev->dev, "radeon: audio init failed\n");
1020 		return r;
1021 	}
1022 
1023 	return r;
1024 
1025 }
1026 
1027 int rv770_suspend(struct radeon_device *rdev)
1028 {
1029 	int r;
1030 
1031 	r600_audio_fini(rdev);
1032 	/* FIXME: we should wait for ring to be empty */
1033 	r700_cp_stop(rdev);
1034 	rdev->cp.ready = false;
1035 	r600_irq_suspend(rdev);
1036 	r600_wb_disable(rdev);
1037 	rv770_pcie_gart_disable(rdev);
1038 	/* unpin shaders bo */
1039 	if (rdev->r600_blit.shader_obj) {
1040 		r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
1041 		if (likely(r == 0)) {
1042 			radeon_bo_unpin(rdev->r600_blit.shader_obj);
1043 			radeon_bo_unreserve(rdev->r600_blit.shader_obj);
1044 		}
1045 	}
1046 	return 0;
1047 }
1048 
1049 /* Plan is to move initialization in that function and use
1050  * helper function so that radeon_device_init pretty much
1051  * do nothing more than calling asic specific function. This
1052  * should also allow to remove a bunch of callback function
1053  * like vram_info.
1054  */
1055 int rv770_init(struct radeon_device *rdev)
1056 {
1057 	int r;
1058 
1059 	r = radeon_dummy_page_init(rdev);
1060 	if (r)
1061 		return r;
1062 	/* This don't do much */
1063 	r = radeon_gem_init(rdev);
1064 	if (r)
1065 		return r;
1066 	/* Read BIOS */
1067 	if (!radeon_get_bios(rdev)) {
1068 		if (ASIC_IS_AVIVO(rdev))
1069 			return -EINVAL;
1070 	}
1071 	/* Must be an ATOMBIOS */
1072 	if (!rdev->is_atom_bios) {
1073 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1074 		return -EINVAL;
1075 	}
1076 	r = radeon_atombios_init(rdev);
1077 	if (r)
1078 		return r;
1079 	/* Post card if necessary */
1080 	if (!r600_card_posted(rdev)) {
1081 		if (!rdev->bios) {
1082 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1083 			return -EINVAL;
1084 		}
1085 		DRM_INFO("GPU not posted. posting now...\n");
1086 		atom_asic_init(rdev->mode_info.atom_context);
1087 	}
1088 	/* Initialize scratch registers */
1089 	r600_scratch_init(rdev);
1090 	/* Initialize surface registers */
1091 	radeon_surface_init(rdev);
1092 	/* Initialize clocks */
1093 	radeon_get_clock_info(rdev->ddev);
1094 	r = radeon_clocks_init(rdev);
1095 	if (r)
1096 		return r;
1097 	/* Initialize power management */
1098 	radeon_pm_init(rdev);
1099 	/* Fence driver */
1100 	r = radeon_fence_driver_init(rdev);
1101 	if (r)
1102 		return r;
1103 	/* initialize AGP */
1104 	if (rdev->flags & RADEON_IS_AGP) {
1105 		r = radeon_agp_init(rdev);
1106 		if (r)
1107 			radeon_agp_disable(rdev);
1108 	}
1109 	r = rv770_mc_init(rdev);
1110 	if (r)
1111 		return r;
1112 	/* Memory manager */
1113 	r = radeon_bo_init(rdev);
1114 	if (r)
1115 		return r;
1116 
1117 	r = radeon_irq_kms_init(rdev);
1118 	if (r)
1119 		return r;
1120 
1121 	rdev->cp.ring_obj = NULL;
1122 	r600_ring_init(rdev, 1024 * 1024);
1123 
1124 	rdev->ih.ring_obj = NULL;
1125 	r600_ih_ring_init(rdev, 64 * 1024);
1126 
1127 	r = r600_pcie_gart_init(rdev);
1128 	if (r)
1129 		return r;
1130 
1131 	rdev->accel_working = true;
1132 	r = rv770_startup(rdev);
1133 	if (r) {
1134 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1135 		r600_cp_fini(rdev);
1136 		r600_wb_fini(rdev);
1137 		r600_irq_fini(rdev);
1138 		radeon_irq_kms_fini(rdev);
1139 		rv770_pcie_gart_fini(rdev);
1140 		rdev->accel_working = false;
1141 	}
1142 	if (rdev->accel_working) {
1143 		r = radeon_ib_pool_init(rdev);
1144 		if (r) {
1145 			dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1146 			rdev->accel_working = false;
1147 		} else {
1148 			r = r600_ib_test(rdev);
1149 			if (r) {
1150 				dev_err(rdev->dev, "IB test failed (%d).\n", r);
1151 				rdev->accel_working = false;
1152 			}
1153 		}
1154 	}
1155 
1156 	r = r600_audio_init(rdev);
1157 	if (r) {
1158 		dev_err(rdev->dev, "radeon: audio init failed\n");
1159 		return r;
1160 	}
1161 
1162 	return 0;
1163 }
1164 
1165 void rv770_fini(struct radeon_device *rdev)
1166 {
1167 	r600_blit_fini(rdev);
1168 	r600_cp_fini(rdev);
1169 	r600_wb_fini(rdev);
1170 	r600_irq_fini(rdev);
1171 	radeon_irq_kms_fini(rdev);
1172 	rv770_pcie_gart_fini(rdev);
1173 	radeon_gem_fini(rdev);
1174 	radeon_fence_driver_fini(rdev);
1175 	radeon_clocks_fini(rdev);
1176 	radeon_agp_fini(rdev);
1177 	radeon_bo_fini(rdev);
1178 	radeon_atombios_fini(rdev);
1179 	kfree(rdev->bios);
1180 	rdev->bios = NULL;
1181 	radeon_dummy_page_fini(rdev);
1182 }
1183