xref: /linux/drivers/gpu/drm/radeon/rv770.c (revision e6990375ef4ec449994991034238f1ffab8a3a1a)
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_asic.h"
33 #include "radeon_drm.h"
34 #include "rv770d.h"
35 #include "atom.h"
36 #include "avivod.h"
37 
38 #define R700_PFP_UCODE_SIZE 848
39 #define R700_PM4_UCODE_SIZE 1360
40 
41 static void rv770_gpu_init(struct radeon_device *rdev);
42 void rv770_fini(struct radeon_device *rdev);
43 
44 
45 /*
46  * GART
47  */
48 int rv770_pcie_gart_enable(struct radeon_device *rdev)
49 {
50 	u32 tmp;
51 	int r, i;
52 
53 	if (rdev->gart.table.vram.robj == NULL) {
54 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
55 		return -EINVAL;
56 	}
57 	r = radeon_gart_table_vram_pin(rdev);
58 	if (r)
59 		return r;
60 	radeon_gart_restore(rdev);
61 	/* Setup L2 cache */
62 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
63 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
64 				EFFECTIVE_L2_QUEUE_SIZE(7));
65 	WREG32(VM_L2_CNTL2, 0);
66 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
67 	/* Setup TLB control */
68 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
69 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
70 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
71 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
72 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
73 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
74 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
75 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
76 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
77 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
78 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
79 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
80 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
81 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
82 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
83 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
84 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
85 			(u32)(rdev->dummy_page.addr >> 12));
86 	for (i = 1; i < 7; i++)
87 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
88 
89 	r600_pcie_gart_tlb_flush(rdev);
90 	rdev->gart.ready = true;
91 	return 0;
92 }
93 
94 void rv770_pcie_gart_disable(struct radeon_device *rdev)
95 {
96 	u32 tmp;
97 	int i, r;
98 
99 	/* Disable all tables */
100 	for (i = 0; i < 7; i++)
101 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
102 
103 	/* Setup L2 cache */
104 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
105 				EFFECTIVE_L2_QUEUE_SIZE(7));
106 	WREG32(VM_L2_CNTL2, 0);
107 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
108 	/* Setup TLB control */
109 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
110 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
111 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
112 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
113 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
114 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
115 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
116 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
117 	if (rdev->gart.table.vram.robj) {
118 		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
119 		if (likely(r == 0)) {
120 			radeon_bo_kunmap(rdev->gart.table.vram.robj);
121 			radeon_bo_unpin(rdev->gart.table.vram.robj);
122 			radeon_bo_unreserve(rdev->gart.table.vram.robj);
123 		}
124 	}
125 }
126 
127 void rv770_pcie_gart_fini(struct radeon_device *rdev)
128 {
129 	rv770_pcie_gart_disable(rdev);
130 	radeon_gart_table_vram_free(rdev);
131 	radeon_gart_fini(rdev);
132 }
133 
134 
135 void rv770_agp_enable(struct radeon_device *rdev)
136 {
137 	u32 tmp;
138 	int i;
139 
140 	/* Setup L2 cache */
141 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
142 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
143 				EFFECTIVE_L2_QUEUE_SIZE(7));
144 	WREG32(VM_L2_CNTL2, 0);
145 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
146 	/* Setup TLB control */
147 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
148 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
149 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
150 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
151 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
152 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
153 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
154 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
155 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
156 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
157 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
158 	for (i = 0; i < 7; i++)
159 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
160 }
161 
162 static void rv770_mc_program(struct radeon_device *rdev)
163 {
164 	struct rv515_mc_save save;
165 	u32 tmp;
166 	int i, j;
167 
168 	/* Initialize HDP */
169 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
170 		WREG32((0x2c14 + j), 0x00000000);
171 		WREG32((0x2c18 + j), 0x00000000);
172 		WREG32((0x2c1c + j), 0x00000000);
173 		WREG32((0x2c20 + j), 0x00000000);
174 		WREG32((0x2c24 + j), 0x00000000);
175 	}
176 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
177 
178 	rv515_mc_stop(rdev, &save);
179 	if (r600_mc_wait_for_idle(rdev)) {
180 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
181 	}
182 	/* Lockout access through VGA aperture*/
183 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
184 	/* Update configuration */
185 	if (rdev->flags & RADEON_IS_AGP) {
186 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
187 			/* VRAM before AGP */
188 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
189 				rdev->mc.vram_start >> 12);
190 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
191 				rdev->mc.gtt_end >> 12);
192 		} else {
193 			/* VRAM after AGP */
194 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
195 				rdev->mc.gtt_start >> 12);
196 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
197 				rdev->mc.vram_end >> 12);
198 		}
199 	} else {
200 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
201 			rdev->mc.vram_start >> 12);
202 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
203 			rdev->mc.vram_end >> 12);
204 	}
205 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
206 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
207 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
208 	WREG32(MC_VM_FB_LOCATION, tmp);
209 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
210 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
211 	WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
212 	if (rdev->flags & RADEON_IS_AGP) {
213 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
214 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
215 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
216 	} else {
217 		WREG32(MC_VM_AGP_BASE, 0);
218 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
219 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
220 	}
221 	if (r600_mc_wait_for_idle(rdev)) {
222 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
223 	}
224 	rv515_mc_resume(rdev, &save);
225 	/* we need to own VRAM, so turn off the VGA renderer here
226 	 * to stop it overwriting our objects */
227 	rv515_vga_render_disable(rdev);
228 }
229 
230 
231 /*
232  * CP.
233  */
234 void r700_cp_stop(struct radeon_device *rdev)
235 {
236 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
237 }
238 
239 
240 static int rv770_cp_load_microcode(struct radeon_device *rdev)
241 {
242 	const __be32 *fw_data;
243 	int i;
244 
245 	if (!rdev->me_fw || !rdev->pfp_fw)
246 		return -EINVAL;
247 
248 	r700_cp_stop(rdev);
249 	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
250 
251 	/* Reset cp */
252 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
253 	RREG32(GRBM_SOFT_RESET);
254 	mdelay(15);
255 	WREG32(GRBM_SOFT_RESET, 0);
256 
257 	fw_data = (const __be32 *)rdev->pfp_fw->data;
258 	WREG32(CP_PFP_UCODE_ADDR, 0);
259 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
260 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
261 	WREG32(CP_PFP_UCODE_ADDR, 0);
262 
263 	fw_data = (const __be32 *)rdev->me_fw->data;
264 	WREG32(CP_ME_RAM_WADDR, 0);
265 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
266 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
267 
268 	WREG32(CP_PFP_UCODE_ADDR, 0);
269 	WREG32(CP_ME_RAM_WADDR, 0);
270 	WREG32(CP_ME_RAM_RADDR, 0);
271 	return 0;
272 }
273 
274 
275 /*
276  * Core functions
277  */
278 static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
279 					     u32 num_tile_pipes,
280 					     u32 num_backends,
281 					     u32 backend_disable_mask)
282 {
283 	u32 backend_map = 0;
284 	u32 enabled_backends_mask;
285 	u32 enabled_backends_count;
286 	u32 cur_pipe;
287 	u32 swizzle_pipe[R7XX_MAX_PIPES];
288 	u32 cur_backend;
289 	u32 i;
290 	bool force_no_swizzle;
291 
292 	if (num_tile_pipes > R7XX_MAX_PIPES)
293 		num_tile_pipes = R7XX_MAX_PIPES;
294 	if (num_tile_pipes < 1)
295 		num_tile_pipes = 1;
296 	if (num_backends > R7XX_MAX_BACKENDS)
297 		num_backends = R7XX_MAX_BACKENDS;
298 	if (num_backends < 1)
299 		num_backends = 1;
300 
301 	enabled_backends_mask = 0;
302 	enabled_backends_count = 0;
303 	for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
304 		if (((backend_disable_mask >> i) & 1) == 0) {
305 			enabled_backends_mask |= (1 << i);
306 			++enabled_backends_count;
307 		}
308 		if (enabled_backends_count == num_backends)
309 			break;
310 	}
311 
312 	if (enabled_backends_count == 0) {
313 		enabled_backends_mask = 1;
314 		enabled_backends_count = 1;
315 	}
316 
317 	if (enabled_backends_count != num_backends)
318 		num_backends = enabled_backends_count;
319 
320 	switch (rdev->family) {
321 	case CHIP_RV770:
322 	case CHIP_RV730:
323 		force_no_swizzle = false;
324 		break;
325 	case CHIP_RV710:
326 	case CHIP_RV740:
327 	default:
328 		force_no_swizzle = true;
329 		break;
330 	}
331 
332 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
333 	switch (num_tile_pipes) {
334 	case 1:
335 		swizzle_pipe[0] = 0;
336 		break;
337 	case 2:
338 		swizzle_pipe[0] = 0;
339 		swizzle_pipe[1] = 1;
340 		break;
341 	case 3:
342 		if (force_no_swizzle) {
343 			swizzle_pipe[0] = 0;
344 			swizzle_pipe[1] = 1;
345 			swizzle_pipe[2] = 2;
346 		} else {
347 			swizzle_pipe[0] = 0;
348 			swizzle_pipe[1] = 2;
349 			swizzle_pipe[2] = 1;
350 		}
351 		break;
352 	case 4:
353 		if (force_no_swizzle) {
354 			swizzle_pipe[0] = 0;
355 			swizzle_pipe[1] = 1;
356 			swizzle_pipe[2] = 2;
357 			swizzle_pipe[3] = 3;
358 		} else {
359 			swizzle_pipe[0] = 0;
360 			swizzle_pipe[1] = 2;
361 			swizzle_pipe[2] = 3;
362 			swizzle_pipe[3] = 1;
363 		}
364 		break;
365 	case 5:
366 		if (force_no_swizzle) {
367 			swizzle_pipe[0] = 0;
368 			swizzle_pipe[1] = 1;
369 			swizzle_pipe[2] = 2;
370 			swizzle_pipe[3] = 3;
371 			swizzle_pipe[4] = 4;
372 		} else {
373 			swizzle_pipe[0] = 0;
374 			swizzle_pipe[1] = 2;
375 			swizzle_pipe[2] = 4;
376 			swizzle_pipe[3] = 1;
377 			swizzle_pipe[4] = 3;
378 		}
379 		break;
380 	case 6:
381 		if (force_no_swizzle) {
382 			swizzle_pipe[0] = 0;
383 			swizzle_pipe[1] = 1;
384 			swizzle_pipe[2] = 2;
385 			swizzle_pipe[3] = 3;
386 			swizzle_pipe[4] = 4;
387 			swizzle_pipe[5] = 5;
388 		} else {
389 			swizzle_pipe[0] = 0;
390 			swizzle_pipe[1] = 2;
391 			swizzle_pipe[2] = 4;
392 			swizzle_pipe[3] = 5;
393 			swizzle_pipe[4] = 3;
394 			swizzle_pipe[5] = 1;
395 		}
396 		break;
397 	case 7:
398 		if (force_no_swizzle) {
399 			swizzle_pipe[0] = 0;
400 			swizzle_pipe[1] = 1;
401 			swizzle_pipe[2] = 2;
402 			swizzle_pipe[3] = 3;
403 			swizzle_pipe[4] = 4;
404 			swizzle_pipe[5] = 5;
405 			swizzle_pipe[6] = 6;
406 		} else {
407 			swizzle_pipe[0] = 0;
408 			swizzle_pipe[1] = 2;
409 			swizzle_pipe[2] = 4;
410 			swizzle_pipe[3] = 6;
411 			swizzle_pipe[4] = 3;
412 			swizzle_pipe[5] = 1;
413 			swizzle_pipe[6] = 5;
414 		}
415 		break;
416 	case 8:
417 		if (force_no_swizzle) {
418 			swizzle_pipe[0] = 0;
419 			swizzle_pipe[1] = 1;
420 			swizzle_pipe[2] = 2;
421 			swizzle_pipe[3] = 3;
422 			swizzle_pipe[4] = 4;
423 			swizzle_pipe[5] = 5;
424 			swizzle_pipe[6] = 6;
425 			swizzle_pipe[7] = 7;
426 		} else {
427 			swizzle_pipe[0] = 0;
428 			swizzle_pipe[1] = 2;
429 			swizzle_pipe[2] = 4;
430 			swizzle_pipe[3] = 6;
431 			swizzle_pipe[4] = 3;
432 			swizzle_pipe[5] = 1;
433 			swizzle_pipe[6] = 7;
434 			swizzle_pipe[7] = 5;
435 		}
436 		break;
437 	}
438 
439 	cur_backend = 0;
440 	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
441 		while (((1 << cur_backend) & enabled_backends_mask) == 0)
442 			cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
443 
444 		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
445 
446 		cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
447 	}
448 
449 	return backend_map;
450 }
451 
452 static void rv770_gpu_init(struct radeon_device *rdev)
453 {
454 	int i, j, num_qd_pipes;
455 	u32 ta_aux_cntl;
456 	u32 sx_debug_1;
457 	u32 smx_dc_ctl0;
458 	u32 db_debug3;
459 	u32 num_gs_verts_per_thread;
460 	u32 vgt_gs_per_es;
461 	u32 gs_prim_buffer_depth = 0;
462 	u32 sq_ms_fifo_sizes;
463 	u32 sq_config;
464 	u32 sq_thread_resource_mgmt;
465 	u32 hdp_host_path_cntl;
466 	u32 sq_dyn_gpr_size_simd_ab_0;
467 	u32 backend_map;
468 	u32 gb_tiling_config = 0;
469 	u32 cc_rb_backend_disable = 0;
470 	u32 cc_gc_shader_pipe_config = 0;
471 	u32 mc_arb_ramcfg;
472 	u32 db_debug4;
473 
474 	/* setup chip specs */
475 	switch (rdev->family) {
476 	case CHIP_RV770:
477 		rdev->config.rv770.max_pipes = 4;
478 		rdev->config.rv770.max_tile_pipes = 8;
479 		rdev->config.rv770.max_simds = 10;
480 		rdev->config.rv770.max_backends = 4;
481 		rdev->config.rv770.max_gprs = 256;
482 		rdev->config.rv770.max_threads = 248;
483 		rdev->config.rv770.max_stack_entries = 512;
484 		rdev->config.rv770.max_hw_contexts = 8;
485 		rdev->config.rv770.max_gs_threads = 16 * 2;
486 		rdev->config.rv770.sx_max_export_size = 128;
487 		rdev->config.rv770.sx_max_export_pos_size = 16;
488 		rdev->config.rv770.sx_max_export_smx_size = 112;
489 		rdev->config.rv770.sq_num_cf_insts = 2;
490 
491 		rdev->config.rv770.sx_num_of_sets = 7;
492 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
493 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
494 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
495 		break;
496 	case CHIP_RV730:
497 		rdev->config.rv770.max_pipes = 2;
498 		rdev->config.rv770.max_tile_pipes = 4;
499 		rdev->config.rv770.max_simds = 8;
500 		rdev->config.rv770.max_backends = 2;
501 		rdev->config.rv770.max_gprs = 128;
502 		rdev->config.rv770.max_threads = 248;
503 		rdev->config.rv770.max_stack_entries = 256;
504 		rdev->config.rv770.max_hw_contexts = 8;
505 		rdev->config.rv770.max_gs_threads = 16 * 2;
506 		rdev->config.rv770.sx_max_export_size = 256;
507 		rdev->config.rv770.sx_max_export_pos_size = 32;
508 		rdev->config.rv770.sx_max_export_smx_size = 224;
509 		rdev->config.rv770.sq_num_cf_insts = 2;
510 
511 		rdev->config.rv770.sx_num_of_sets = 7;
512 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
513 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
514 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
515 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
516 			rdev->config.rv770.sx_max_export_pos_size -= 16;
517 			rdev->config.rv770.sx_max_export_smx_size += 16;
518 		}
519 		break;
520 	case CHIP_RV710:
521 		rdev->config.rv770.max_pipes = 2;
522 		rdev->config.rv770.max_tile_pipes = 2;
523 		rdev->config.rv770.max_simds = 2;
524 		rdev->config.rv770.max_backends = 1;
525 		rdev->config.rv770.max_gprs = 256;
526 		rdev->config.rv770.max_threads = 192;
527 		rdev->config.rv770.max_stack_entries = 256;
528 		rdev->config.rv770.max_hw_contexts = 4;
529 		rdev->config.rv770.max_gs_threads = 8 * 2;
530 		rdev->config.rv770.sx_max_export_size = 128;
531 		rdev->config.rv770.sx_max_export_pos_size = 16;
532 		rdev->config.rv770.sx_max_export_smx_size = 112;
533 		rdev->config.rv770.sq_num_cf_insts = 1;
534 
535 		rdev->config.rv770.sx_num_of_sets = 7;
536 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
537 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
538 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
539 		break;
540 	case CHIP_RV740:
541 		rdev->config.rv770.max_pipes = 4;
542 		rdev->config.rv770.max_tile_pipes = 4;
543 		rdev->config.rv770.max_simds = 8;
544 		rdev->config.rv770.max_backends = 4;
545 		rdev->config.rv770.max_gprs = 256;
546 		rdev->config.rv770.max_threads = 248;
547 		rdev->config.rv770.max_stack_entries = 512;
548 		rdev->config.rv770.max_hw_contexts = 8;
549 		rdev->config.rv770.max_gs_threads = 16 * 2;
550 		rdev->config.rv770.sx_max_export_size = 256;
551 		rdev->config.rv770.sx_max_export_pos_size = 32;
552 		rdev->config.rv770.sx_max_export_smx_size = 224;
553 		rdev->config.rv770.sq_num_cf_insts = 2;
554 
555 		rdev->config.rv770.sx_num_of_sets = 7;
556 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
557 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
558 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
559 
560 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
561 			rdev->config.rv770.sx_max_export_pos_size -= 16;
562 			rdev->config.rv770.sx_max_export_smx_size += 16;
563 		}
564 		break;
565 	default:
566 		break;
567 	}
568 
569 	/* Initialize HDP */
570 	j = 0;
571 	for (i = 0; i < 32; i++) {
572 		WREG32((0x2c14 + j), 0x00000000);
573 		WREG32((0x2c18 + j), 0x00000000);
574 		WREG32((0x2c1c + j), 0x00000000);
575 		WREG32((0x2c20 + j), 0x00000000);
576 		WREG32((0x2c24 + j), 0x00000000);
577 		j += 0x18;
578 	}
579 
580 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
581 
582 	/* setup tiling, simd, pipe config */
583 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
584 
585 	switch (rdev->config.rv770.max_tile_pipes) {
586 	case 1:
587 	default:
588 		gb_tiling_config |= PIPE_TILING(0);
589 		break;
590 	case 2:
591 		gb_tiling_config |= PIPE_TILING(1);
592 		break;
593 	case 4:
594 		gb_tiling_config |= PIPE_TILING(2);
595 		break;
596 	case 8:
597 		gb_tiling_config |= PIPE_TILING(3);
598 		break;
599 	}
600 	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
601 
602 	if (rdev->family == CHIP_RV770)
603 		gb_tiling_config |= BANK_TILING(1);
604 	else
605 		gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
606 	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
607 
608 	gb_tiling_config |= GROUP_SIZE(0);
609 	rdev->config.rv770.tiling_group_size = 256;
610 
611 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
612 		gb_tiling_config |= ROW_TILING(3);
613 		gb_tiling_config |= SAMPLE_SPLIT(3);
614 	} else {
615 		gb_tiling_config |=
616 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
617 		gb_tiling_config |=
618 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
619 	}
620 
621 	gb_tiling_config |= BANK_SWAPS(1);
622 
623 	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
624 	cc_rb_backend_disable |=
625 		BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
626 
627 	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
628 	cc_gc_shader_pipe_config |=
629 		INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
630 	cc_gc_shader_pipe_config |=
631 		INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
632 
633 	if (rdev->family == CHIP_RV740)
634 		backend_map = 0x28;
635 	else
636 		backend_map = r700_get_tile_pipe_to_backend_map(rdev,
637 								rdev->config.rv770.max_tile_pipes,
638 								(R7XX_MAX_BACKENDS -
639 								 r600_count_pipe_bits((cc_rb_backend_disable &
640 										       R7XX_MAX_BACKENDS_MASK) >> 16)),
641 								(cc_rb_backend_disable >> 16));
642 	gb_tiling_config |= BACKEND_MAP(backend_map);
643 
644 
645 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
646 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
647 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
648 
649 	WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
650 	WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
651 	WREG32(CC_SYS_RB_BACKEND_DISABLE,  cc_rb_backend_disable);
652 
653 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
654 	WREG32(CGTS_TCC_DISABLE, 0);
655 
656 	num_qd_pipes =
657 		R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
658 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
659 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
660 
661 	/* set HW defaults for 3D engine */
662 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
663 				     ROQ_IB2_START(0x2b)));
664 
665 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
666 
667 	ta_aux_cntl = RREG32(TA_CNTL_AUX);
668 	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
669 
670 	sx_debug_1 = RREG32(SX_DEBUG_1);
671 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
672 	WREG32(SX_DEBUG_1, sx_debug_1);
673 
674 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
675 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
676 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
677 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
678 
679 	if (rdev->family != CHIP_RV740)
680 		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
681 				       GS_FLUSH_CTL(4) |
682 				       ACK_FLUSH_CTL(3) |
683 				       SYNC_FLUSH_CTL));
684 
685 	db_debug3 = RREG32(DB_DEBUG3);
686 	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
687 	switch (rdev->family) {
688 	case CHIP_RV770:
689 	case CHIP_RV740:
690 		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
691 		break;
692 	case CHIP_RV710:
693 	case CHIP_RV730:
694 	default:
695 		db_debug3 |= DB_CLK_OFF_DELAY(2);
696 		break;
697 	}
698 	WREG32(DB_DEBUG3, db_debug3);
699 
700 	if (rdev->family != CHIP_RV770) {
701 		db_debug4 = RREG32(DB_DEBUG4);
702 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
703 		WREG32(DB_DEBUG4, db_debug4);
704 	}
705 
706 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
707 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
708 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
709 
710 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
711 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
712 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
713 
714 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
715 
716 	WREG32(VGT_NUM_INSTANCES, 1);
717 
718 	WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
719 
720 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
721 
722 	WREG32(CP_PERFMON_CNTL, 0);
723 
724 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
725 			    DONE_FIFO_HIWATER(0xe0) |
726 			    ALU_UPDATE_FIFO_HIWATER(0x8));
727 	switch (rdev->family) {
728 	case CHIP_RV770:
729 	case CHIP_RV730:
730 	case CHIP_RV710:
731 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
732 		break;
733 	case CHIP_RV740:
734 	default:
735 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
736 		break;
737 	}
738 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
739 
740 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
741 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
742 	 */
743 	sq_config = RREG32(SQ_CONFIG);
744 	sq_config &= ~(PS_PRIO(3) |
745 		       VS_PRIO(3) |
746 		       GS_PRIO(3) |
747 		       ES_PRIO(3));
748 	sq_config |= (DX9_CONSTS |
749 		      VC_ENABLE |
750 		      EXPORT_SRC_C |
751 		      PS_PRIO(0) |
752 		      VS_PRIO(1) |
753 		      GS_PRIO(2) |
754 		      ES_PRIO(3));
755 	if (rdev->family == CHIP_RV710)
756 		/* no vertex cache */
757 		sq_config &= ~VC_ENABLE;
758 
759 	WREG32(SQ_CONFIG, sq_config);
760 
761 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
762 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
763 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
764 
765 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
766 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
767 
768 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
769 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
770 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
771 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
772 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
773 	else
774 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
775 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
776 
777 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
778 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
779 
780 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
781 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
782 
783 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
784 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
785 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
786 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
787 
788 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
789 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
790 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
791 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
792 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
793 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
794 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
795 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
796 
797 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
798 					  FORCE_EOV_MAX_REZ_CNT(255)));
799 
800 	if (rdev->family == CHIP_RV710)
801 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
802 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
803 	else
804 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
805 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
806 
807 	switch (rdev->family) {
808 	case CHIP_RV770:
809 	case CHIP_RV730:
810 	case CHIP_RV740:
811 		gs_prim_buffer_depth = 384;
812 		break;
813 	case CHIP_RV710:
814 		gs_prim_buffer_depth = 128;
815 		break;
816 	default:
817 		break;
818 	}
819 
820 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
821 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
822 	/* Max value for this is 256 */
823 	if (vgt_gs_per_es > 256)
824 		vgt_gs_per_es = 256;
825 
826 	WREG32(VGT_ES_PER_GS, 128);
827 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
828 	WREG32(VGT_GS_PER_VS, 2);
829 
830 	/* more default values. 2D/3D driver should adjust as needed */
831 	WREG32(VGT_GS_VERTEX_REUSE, 16);
832 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
833 	WREG32(VGT_STRMOUT_EN, 0);
834 	WREG32(SX_MISC, 0);
835 	WREG32(PA_SC_MODE_CNTL, 0);
836 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
837 	WREG32(PA_SC_AA_CONFIG, 0);
838 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
839 	WREG32(PA_SC_LINE_STIPPLE, 0);
840 	WREG32(SPI_INPUT_Z, 0);
841 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
842 	WREG32(CB_COLOR7_FRAG, 0);
843 
844 	/* clear render buffer base addresses */
845 	WREG32(CB_COLOR0_BASE, 0);
846 	WREG32(CB_COLOR1_BASE, 0);
847 	WREG32(CB_COLOR2_BASE, 0);
848 	WREG32(CB_COLOR3_BASE, 0);
849 	WREG32(CB_COLOR4_BASE, 0);
850 	WREG32(CB_COLOR5_BASE, 0);
851 	WREG32(CB_COLOR6_BASE, 0);
852 	WREG32(CB_COLOR7_BASE, 0);
853 
854 	WREG32(TCP_CNTL, 0);
855 
856 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
857 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
858 
859 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
860 
861 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
862 					  NUM_CLIP_SEQ(3)));
863 
864 }
865 
866 int rv770_mc_init(struct radeon_device *rdev)
867 {
868 	fixed20_12 a;
869 	u32 tmp;
870 	int chansize, numchan;
871 
872 	/* Get VRAM informations */
873 	rdev->mc.vram_is_ddr = true;
874 	tmp = RREG32(MC_ARB_RAMCFG);
875 	if (tmp & CHANSIZE_OVERRIDE) {
876 		chansize = 16;
877 	} else if (tmp & CHANSIZE_MASK) {
878 		chansize = 64;
879 	} else {
880 		chansize = 32;
881 	}
882 	tmp = RREG32(MC_SHARED_CHMAP);
883 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
884 	case 0:
885 	default:
886 		numchan = 1;
887 		break;
888 	case 1:
889 		numchan = 2;
890 		break;
891 	case 2:
892 		numchan = 4;
893 		break;
894 	case 3:
895 		numchan = 8;
896 		break;
897 	}
898 	rdev->mc.vram_width = numchan * chansize;
899 	/* Could aper size report 0 ? */
900 	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
901 	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
902 	/* Setup GPU memory space */
903 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
904 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
905 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
906 	/* FIXME remove this once we support unmappable VRAM */
907 	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
908 		rdev->mc.mc_vram_size = rdev->mc.aper_size;
909 		rdev->mc.real_vram_size = rdev->mc.aper_size;
910 	}
911 	r600_vram_gtt_location(rdev, &rdev->mc);
912 	/* FIXME: we should enforce default clock in case GPU is not in
913 	 * default setup
914 	 */
915 	a.full = rfixed_const(100);
916 	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
917 	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
918 	return 0;
919 }
920 
921 int rv770_gpu_reset(struct radeon_device *rdev)
922 {
923 	/* FIXME: implement any rv770 specific bits */
924 	return r600_gpu_reset(rdev);
925 }
926 
927 static int rv770_startup(struct radeon_device *rdev)
928 {
929 	int r;
930 
931 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
932 		r = r600_init_microcode(rdev);
933 		if (r) {
934 			DRM_ERROR("Failed to load firmware!\n");
935 			return r;
936 		}
937 	}
938 
939 	rv770_mc_program(rdev);
940 	if (rdev->flags & RADEON_IS_AGP) {
941 		rv770_agp_enable(rdev);
942 	} else {
943 		r = rv770_pcie_gart_enable(rdev);
944 		if (r)
945 			return r;
946 	}
947 	rv770_gpu_init(rdev);
948 	r = r600_blit_init(rdev);
949 	if (r) {
950 		r600_blit_fini(rdev);
951 		rdev->asic->copy = NULL;
952 		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
953 	}
954 	/* pin copy shader into vram */
955 	if (rdev->r600_blit.shader_obj) {
956 		r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
957 		if (unlikely(r != 0))
958 			return r;
959 		r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
960 				&rdev->r600_blit.shader_gpu_addr);
961 		radeon_bo_unreserve(rdev->r600_blit.shader_obj);
962 		if (r) {
963 			DRM_ERROR("failed to pin blit object %d\n", r);
964 			return r;
965 		}
966 	}
967 	/* Enable IRQ */
968 	r = r600_irq_init(rdev);
969 	if (r) {
970 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
971 		radeon_irq_kms_fini(rdev);
972 		return r;
973 	}
974 	r600_irq_set(rdev);
975 
976 	r = radeon_ring_init(rdev, rdev->cp.ring_size);
977 	if (r)
978 		return r;
979 	r = rv770_cp_load_microcode(rdev);
980 	if (r)
981 		return r;
982 	r = r600_cp_resume(rdev);
983 	if (r)
984 		return r;
985 	/* write back buffer are not vital so don't worry about failure */
986 	r600_wb_enable(rdev);
987 	return 0;
988 }
989 
990 int rv770_resume(struct radeon_device *rdev)
991 {
992 	int r;
993 
994 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
995 	 * posting will perform necessary task to bring back GPU into good
996 	 * shape.
997 	 */
998 	/* post card */
999 	atom_asic_init(rdev->mode_info.atom_context);
1000 	/* Initialize clocks */
1001 	r = radeon_clocks_init(rdev);
1002 	if (r) {
1003 		return r;
1004 	}
1005 
1006 	r = rv770_startup(rdev);
1007 	if (r) {
1008 		DRM_ERROR("r600 startup failed on resume\n");
1009 		return r;
1010 	}
1011 
1012 	r = r600_ib_test(rdev);
1013 	if (r) {
1014 		DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1015 		return r;
1016 	}
1017 
1018 	r = r600_audio_init(rdev);
1019 	if (r) {
1020 		dev_err(rdev->dev, "radeon: audio init failed\n");
1021 		return r;
1022 	}
1023 
1024 	return r;
1025 
1026 }
1027 
1028 int rv770_suspend(struct radeon_device *rdev)
1029 {
1030 	int r;
1031 
1032 	r600_audio_fini(rdev);
1033 	/* FIXME: we should wait for ring to be empty */
1034 	r700_cp_stop(rdev);
1035 	rdev->cp.ready = false;
1036 	r600_irq_suspend(rdev);
1037 	r600_wb_disable(rdev);
1038 	rv770_pcie_gart_disable(rdev);
1039 	/* unpin shaders bo */
1040 	if (rdev->r600_blit.shader_obj) {
1041 		r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
1042 		if (likely(r == 0)) {
1043 			radeon_bo_unpin(rdev->r600_blit.shader_obj);
1044 			radeon_bo_unreserve(rdev->r600_blit.shader_obj);
1045 		}
1046 	}
1047 	return 0;
1048 }
1049 
1050 /* Plan is to move initialization in that function and use
1051  * helper function so that radeon_device_init pretty much
1052  * do nothing more than calling asic specific function. This
1053  * should also allow to remove a bunch of callback function
1054  * like vram_info.
1055  */
1056 int rv770_init(struct radeon_device *rdev)
1057 {
1058 	int r;
1059 
1060 	r = radeon_dummy_page_init(rdev);
1061 	if (r)
1062 		return r;
1063 	/* This don't do much */
1064 	r = radeon_gem_init(rdev);
1065 	if (r)
1066 		return r;
1067 	/* Read BIOS */
1068 	if (!radeon_get_bios(rdev)) {
1069 		if (ASIC_IS_AVIVO(rdev))
1070 			return -EINVAL;
1071 	}
1072 	/* Must be an ATOMBIOS */
1073 	if (!rdev->is_atom_bios) {
1074 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1075 		return -EINVAL;
1076 	}
1077 	r = radeon_atombios_init(rdev);
1078 	if (r)
1079 		return r;
1080 	/* Post card if necessary */
1081 	if (!r600_card_posted(rdev)) {
1082 		if (!rdev->bios) {
1083 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1084 			return -EINVAL;
1085 		}
1086 		DRM_INFO("GPU not posted. posting now...\n");
1087 		atom_asic_init(rdev->mode_info.atom_context);
1088 	}
1089 	/* Initialize scratch registers */
1090 	r600_scratch_init(rdev);
1091 	/* Initialize surface registers */
1092 	radeon_surface_init(rdev);
1093 	/* Initialize clocks */
1094 	radeon_get_clock_info(rdev->ddev);
1095 	r = radeon_clocks_init(rdev);
1096 	if (r)
1097 		return r;
1098 	/* Initialize power management */
1099 	radeon_pm_init(rdev);
1100 	/* Fence driver */
1101 	r = radeon_fence_driver_init(rdev);
1102 	if (r)
1103 		return r;
1104 	/* initialize AGP */
1105 	if (rdev->flags & RADEON_IS_AGP) {
1106 		r = radeon_agp_init(rdev);
1107 		if (r)
1108 			radeon_agp_disable(rdev);
1109 	}
1110 	r = rv770_mc_init(rdev);
1111 	if (r)
1112 		return r;
1113 	/* Memory manager */
1114 	r = radeon_bo_init(rdev);
1115 	if (r)
1116 		return r;
1117 
1118 	r = radeon_irq_kms_init(rdev);
1119 	if (r)
1120 		return r;
1121 
1122 	rdev->cp.ring_obj = NULL;
1123 	r600_ring_init(rdev, 1024 * 1024);
1124 
1125 	rdev->ih.ring_obj = NULL;
1126 	r600_ih_ring_init(rdev, 64 * 1024);
1127 
1128 	r = r600_pcie_gart_init(rdev);
1129 	if (r)
1130 		return r;
1131 
1132 	rdev->accel_working = true;
1133 	r = rv770_startup(rdev);
1134 	if (r) {
1135 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1136 		r600_cp_fini(rdev);
1137 		r600_wb_fini(rdev);
1138 		r600_irq_fini(rdev);
1139 		radeon_irq_kms_fini(rdev);
1140 		rv770_pcie_gart_fini(rdev);
1141 		rdev->accel_working = false;
1142 	}
1143 	if (rdev->accel_working) {
1144 		r = radeon_ib_pool_init(rdev);
1145 		if (r) {
1146 			dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1147 			rdev->accel_working = false;
1148 		} else {
1149 			r = r600_ib_test(rdev);
1150 			if (r) {
1151 				dev_err(rdev->dev, "IB test failed (%d).\n", r);
1152 				rdev->accel_working = false;
1153 			}
1154 		}
1155 	}
1156 
1157 	r = r600_audio_init(rdev);
1158 	if (r) {
1159 		dev_err(rdev->dev, "radeon: audio init failed\n");
1160 		return r;
1161 	}
1162 
1163 	return 0;
1164 }
1165 
1166 void rv770_fini(struct radeon_device *rdev)
1167 {
1168 	r600_blit_fini(rdev);
1169 	r600_cp_fini(rdev);
1170 	r600_wb_fini(rdev);
1171 	r600_irq_fini(rdev);
1172 	radeon_irq_kms_fini(rdev);
1173 	rv770_pcie_gart_fini(rdev);
1174 	radeon_gem_fini(rdev);
1175 	radeon_fence_driver_fini(rdev);
1176 	radeon_clocks_fini(rdev);
1177 	radeon_agp_fini(rdev);
1178 	radeon_bo_fini(rdev);
1179 	radeon_atombios_fini(rdev);
1180 	kfree(rdev->bios);
1181 	rdev->bios = NULL;
1182 	radeon_dummy_page_fini(rdev);
1183 }
1184