xref: /linux/drivers/gpu/drm/radeon/rv770.c (revision 5d4a2e29fba5b2bef95b96a46b338ec4d76fa4fd)
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 <linux/slab.h>
31 #include "drmP.h"
32 #include "radeon.h"
33 #include "radeon_asic.h"
34 #include "radeon_drm.h"
35 #include "rv770d.h"
36 #include "atom.h"
37 #include "avivod.h"
38 
39 #define R700_PFP_UCODE_SIZE 848
40 #define R700_PM4_UCODE_SIZE 1360
41 
42 static void rv770_gpu_init(struct radeon_device *rdev);
43 void rv770_fini(struct radeon_device *rdev);
44 
45 void rv770_pm_misc(struct radeon_device *rdev)
46 {
47 	int req_ps_idx = rdev->pm.requested_power_state_index;
48 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
49 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
50 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
51 
52 	if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
53 		if (voltage->voltage != rdev->pm.current_vddc) {
54 			radeon_atom_set_voltage(rdev, voltage->voltage);
55 			rdev->pm.current_vddc = voltage->voltage;
56 			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
57 		}
58 	}
59 }
60 
61 /*
62  * GART
63  */
64 int rv770_pcie_gart_enable(struct radeon_device *rdev)
65 {
66 	u32 tmp;
67 	int r, i;
68 
69 	if (rdev->gart.table.vram.robj == NULL) {
70 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
71 		return -EINVAL;
72 	}
73 	r = radeon_gart_table_vram_pin(rdev);
74 	if (r)
75 		return r;
76 	radeon_gart_restore(rdev);
77 	/* Setup L2 cache */
78 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
79 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
80 				EFFECTIVE_L2_QUEUE_SIZE(7));
81 	WREG32(VM_L2_CNTL2, 0);
82 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
83 	/* Setup TLB control */
84 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
85 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
86 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
87 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
88 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
89 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
90 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
91 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
92 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
93 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
94 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
95 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
96 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
97 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
98 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
99 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
100 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
101 			(u32)(rdev->dummy_page.addr >> 12));
102 	for (i = 1; i < 7; i++)
103 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
104 
105 	r600_pcie_gart_tlb_flush(rdev);
106 	rdev->gart.ready = true;
107 	return 0;
108 }
109 
110 void rv770_pcie_gart_disable(struct radeon_device *rdev)
111 {
112 	u32 tmp;
113 	int i, r;
114 
115 	/* Disable all tables */
116 	for (i = 0; i < 7; i++)
117 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
118 
119 	/* Setup L2 cache */
120 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
121 				EFFECTIVE_L2_QUEUE_SIZE(7));
122 	WREG32(VM_L2_CNTL2, 0);
123 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
124 	/* Setup TLB control */
125 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
126 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
127 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
128 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
129 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
130 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
131 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
132 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
133 	if (rdev->gart.table.vram.robj) {
134 		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
135 		if (likely(r == 0)) {
136 			radeon_bo_kunmap(rdev->gart.table.vram.robj);
137 			radeon_bo_unpin(rdev->gart.table.vram.robj);
138 			radeon_bo_unreserve(rdev->gart.table.vram.robj);
139 		}
140 	}
141 }
142 
143 void rv770_pcie_gart_fini(struct radeon_device *rdev)
144 {
145 	radeon_gart_fini(rdev);
146 	rv770_pcie_gart_disable(rdev);
147 	radeon_gart_table_vram_free(rdev);
148 }
149 
150 
151 void rv770_agp_enable(struct radeon_device *rdev)
152 {
153 	u32 tmp;
154 	int i;
155 
156 	/* Setup L2 cache */
157 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
158 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
159 				EFFECTIVE_L2_QUEUE_SIZE(7));
160 	WREG32(VM_L2_CNTL2, 0);
161 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
162 	/* Setup TLB control */
163 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
164 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
165 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
166 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
167 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
168 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
169 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
170 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
171 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
172 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
173 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
174 	for (i = 0; i < 7; i++)
175 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
176 }
177 
178 static void rv770_mc_program(struct radeon_device *rdev)
179 {
180 	struct rv515_mc_save save;
181 	u32 tmp;
182 	int i, j;
183 
184 	/* Initialize HDP */
185 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
186 		WREG32((0x2c14 + j), 0x00000000);
187 		WREG32((0x2c18 + j), 0x00000000);
188 		WREG32((0x2c1c + j), 0x00000000);
189 		WREG32((0x2c20 + j), 0x00000000);
190 		WREG32((0x2c24 + j), 0x00000000);
191 	}
192 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
193 
194 	rv515_mc_stop(rdev, &save);
195 	if (r600_mc_wait_for_idle(rdev)) {
196 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
197 	}
198 	/* Lockout access through VGA aperture*/
199 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
200 	/* Update configuration */
201 	if (rdev->flags & RADEON_IS_AGP) {
202 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
203 			/* VRAM before AGP */
204 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
205 				rdev->mc.vram_start >> 12);
206 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
207 				rdev->mc.gtt_end >> 12);
208 		} else {
209 			/* VRAM after AGP */
210 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
211 				rdev->mc.gtt_start >> 12);
212 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
213 				rdev->mc.vram_end >> 12);
214 		}
215 	} else {
216 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
217 			rdev->mc.vram_start >> 12);
218 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
219 			rdev->mc.vram_end >> 12);
220 	}
221 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
222 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
223 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
224 	WREG32(MC_VM_FB_LOCATION, tmp);
225 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
226 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
227 	WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
228 	if (rdev->flags & RADEON_IS_AGP) {
229 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
230 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
231 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
232 	} else {
233 		WREG32(MC_VM_AGP_BASE, 0);
234 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
235 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
236 	}
237 	if (r600_mc_wait_for_idle(rdev)) {
238 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
239 	}
240 	rv515_mc_resume(rdev, &save);
241 	/* we need to own VRAM, so turn off the VGA renderer here
242 	 * to stop it overwriting our objects */
243 	rv515_vga_render_disable(rdev);
244 }
245 
246 
247 /*
248  * CP.
249  */
250 void r700_cp_stop(struct radeon_device *rdev)
251 {
252 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
253 }
254 
255 static int rv770_cp_load_microcode(struct radeon_device *rdev)
256 {
257 	const __be32 *fw_data;
258 	int i;
259 
260 	if (!rdev->me_fw || !rdev->pfp_fw)
261 		return -EINVAL;
262 
263 	r700_cp_stop(rdev);
264 	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
265 
266 	/* Reset cp */
267 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
268 	RREG32(GRBM_SOFT_RESET);
269 	mdelay(15);
270 	WREG32(GRBM_SOFT_RESET, 0);
271 
272 	fw_data = (const __be32 *)rdev->pfp_fw->data;
273 	WREG32(CP_PFP_UCODE_ADDR, 0);
274 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
275 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
276 	WREG32(CP_PFP_UCODE_ADDR, 0);
277 
278 	fw_data = (const __be32 *)rdev->me_fw->data;
279 	WREG32(CP_ME_RAM_WADDR, 0);
280 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
281 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
282 
283 	WREG32(CP_PFP_UCODE_ADDR, 0);
284 	WREG32(CP_ME_RAM_WADDR, 0);
285 	WREG32(CP_ME_RAM_RADDR, 0);
286 	return 0;
287 }
288 
289 void r700_cp_fini(struct radeon_device *rdev)
290 {
291 	r700_cp_stop(rdev);
292 	radeon_ring_fini(rdev);
293 }
294 
295 /*
296  * Core functions
297  */
298 static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
299 					     u32 num_tile_pipes,
300 					     u32 num_backends,
301 					     u32 backend_disable_mask)
302 {
303 	u32 backend_map = 0;
304 	u32 enabled_backends_mask;
305 	u32 enabled_backends_count;
306 	u32 cur_pipe;
307 	u32 swizzle_pipe[R7XX_MAX_PIPES];
308 	u32 cur_backend;
309 	u32 i;
310 	bool force_no_swizzle;
311 
312 	if (num_tile_pipes > R7XX_MAX_PIPES)
313 		num_tile_pipes = R7XX_MAX_PIPES;
314 	if (num_tile_pipes < 1)
315 		num_tile_pipes = 1;
316 	if (num_backends > R7XX_MAX_BACKENDS)
317 		num_backends = R7XX_MAX_BACKENDS;
318 	if (num_backends < 1)
319 		num_backends = 1;
320 
321 	enabled_backends_mask = 0;
322 	enabled_backends_count = 0;
323 	for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
324 		if (((backend_disable_mask >> i) & 1) == 0) {
325 			enabled_backends_mask |= (1 << i);
326 			++enabled_backends_count;
327 		}
328 		if (enabled_backends_count == num_backends)
329 			break;
330 	}
331 
332 	if (enabled_backends_count == 0) {
333 		enabled_backends_mask = 1;
334 		enabled_backends_count = 1;
335 	}
336 
337 	if (enabled_backends_count != num_backends)
338 		num_backends = enabled_backends_count;
339 
340 	switch (rdev->family) {
341 	case CHIP_RV770:
342 	case CHIP_RV730:
343 		force_no_swizzle = false;
344 		break;
345 	case CHIP_RV710:
346 	case CHIP_RV740:
347 	default:
348 		force_no_swizzle = true;
349 		break;
350 	}
351 
352 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
353 	switch (num_tile_pipes) {
354 	case 1:
355 		swizzle_pipe[0] = 0;
356 		break;
357 	case 2:
358 		swizzle_pipe[0] = 0;
359 		swizzle_pipe[1] = 1;
360 		break;
361 	case 3:
362 		if (force_no_swizzle) {
363 			swizzle_pipe[0] = 0;
364 			swizzle_pipe[1] = 1;
365 			swizzle_pipe[2] = 2;
366 		} else {
367 			swizzle_pipe[0] = 0;
368 			swizzle_pipe[1] = 2;
369 			swizzle_pipe[2] = 1;
370 		}
371 		break;
372 	case 4:
373 		if (force_no_swizzle) {
374 			swizzle_pipe[0] = 0;
375 			swizzle_pipe[1] = 1;
376 			swizzle_pipe[2] = 2;
377 			swizzle_pipe[3] = 3;
378 		} else {
379 			swizzle_pipe[0] = 0;
380 			swizzle_pipe[1] = 2;
381 			swizzle_pipe[2] = 3;
382 			swizzle_pipe[3] = 1;
383 		}
384 		break;
385 	case 5:
386 		if (force_no_swizzle) {
387 			swizzle_pipe[0] = 0;
388 			swizzle_pipe[1] = 1;
389 			swizzle_pipe[2] = 2;
390 			swizzle_pipe[3] = 3;
391 			swizzle_pipe[4] = 4;
392 		} else {
393 			swizzle_pipe[0] = 0;
394 			swizzle_pipe[1] = 2;
395 			swizzle_pipe[2] = 4;
396 			swizzle_pipe[3] = 1;
397 			swizzle_pipe[4] = 3;
398 		}
399 		break;
400 	case 6:
401 		if (force_no_swizzle) {
402 			swizzle_pipe[0] = 0;
403 			swizzle_pipe[1] = 1;
404 			swizzle_pipe[2] = 2;
405 			swizzle_pipe[3] = 3;
406 			swizzle_pipe[4] = 4;
407 			swizzle_pipe[5] = 5;
408 		} else {
409 			swizzle_pipe[0] = 0;
410 			swizzle_pipe[1] = 2;
411 			swizzle_pipe[2] = 4;
412 			swizzle_pipe[3] = 5;
413 			swizzle_pipe[4] = 3;
414 			swizzle_pipe[5] = 1;
415 		}
416 		break;
417 	case 7:
418 		if (force_no_swizzle) {
419 			swizzle_pipe[0] = 0;
420 			swizzle_pipe[1] = 1;
421 			swizzle_pipe[2] = 2;
422 			swizzle_pipe[3] = 3;
423 			swizzle_pipe[4] = 4;
424 			swizzle_pipe[5] = 5;
425 			swizzle_pipe[6] = 6;
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] = 5;
434 		}
435 		break;
436 	case 8:
437 		if (force_no_swizzle) {
438 			swizzle_pipe[0] = 0;
439 			swizzle_pipe[1] = 1;
440 			swizzle_pipe[2] = 2;
441 			swizzle_pipe[3] = 3;
442 			swizzle_pipe[4] = 4;
443 			swizzle_pipe[5] = 5;
444 			swizzle_pipe[6] = 6;
445 			swizzle_pipe[7] = 7;
446 		} else {
447 			swizzle_pipe[0] = 0;
448 			swizzle_pipe[1] = 2;
449 			swizzle_pipe[2] = 4;
450 			swizzle_pipe[3] = 6;
451 			swizzle_pipe[4] = 3;
452 			swizzle_pipe[5] = 1;
453 			swizzle_pipe[6] = 7;
454 			swizzle_pipe[7] = 5;
455 		}
456 		break;
457 	}
458 
459 	cur_backend = 0;
460 	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
461 		while (((1 << cur_backend) & enabled_backends_mask) == 0)
462 			cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
463 
464 		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
465 
466 		cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
467 	}
468 
469 	return backend_map;
470 }
471 
472 static void rv770_gpu_init(struct radeon_device *rdev)
473 {
474 	int i, j, num_qd_pipes;
475 	u32 ta_aux_cntl;
476 	u32 sx_debug_1;
477 	u32 smx_dc_ctl0;
478 	u32 db_debug3;
479 	u32 num_gs_verts_per_thread;
480 	u32 vgt_gs_per_es;
481 	u32 gs_prim_buffer_depth = 0;
482 	u32 sq_ms_fifo_sizes;
483 	u32 sq_config;
484 	u32 sq_thread_resource_mgmt;
485 	u32 hdp_host_path_cntl;
486 	u32 sq_dyn_gpr_size_simd_ab_0;
487 	u32 backend_map;
488 	u32 gb_tiling_config = 0;
489 	u32 cc_rb_backend_disable = 0;
490 	u32 cc_gc_shader_pipe_config = 0;
491 	u32 mc_arb_ramcfg;
492 	u32 db_debug4;
493 
494 	/* setup chip specs */
495 	switch (rdev->family) {
496 	case CHIP_RV770:
497 		rdev->config.rv770.max_pipes = 4;
498 		rdev->config.rv770.max_tile_pipes = 8;
499 		rdev->config.rv770.max_simds = 10;
500 		rdev->config.rv770.max_backends = 4;
501 		rdev->config.rv770.max_gprs = 256;
502 		rdev->config.rv770.max_threads = 248;
503 		rdev->config.rv770.max_stack_entries = 512;
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 = 128;
507 		rdev->config.rv770.sx_max_export_pos_size = 16;
508 		rdev->config.rv770.sx_max_export_smx_size = 112;
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 		break;
516 	case CHIP_RV730:
517 		rdev->config.rv770.max_pipes = 2;
518 		rdev->config.rv770.max_tile_pipes = 4;
519 		rdev->config.rv770.max_simds = 8;
520 		rdev->config.rv770.max_backends = 2;
521 		rdev->config.rv770.max_gprs = 128;
522 		rdev->config.rv770.max_threads = 248;
523 		rdev->config.rv770.max_stack_entries = 256;
524 		rdev->config.rv770.max_hw_contexts = 8;
525 		rdev->config.rv770.max_gs_threads = 16 * 2;
526 		rdev->config.rv770.sx_max_export_size = 256;
527 		rdev->config.rv770.sx_max_export_pos_size = 32;
528 		rdev->config.rv770.sx_max_export_smx_size = 224;
529 		rdev->config.rv770.sq_num_cf_insts = 2;
530 
531 		rdev->config.rv770.sx_num_of_sets = 7;
532 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
533 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
534 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
535 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
536 			rdev->config.rv770.sx_max_export_pos_size -= 16;
537 			rdev->config.rv770.sx_max_export_smx_size += 16;
538 		}
539 		break;
540 	case CHIP_RV710:
541 		rdev->config.rv770.max_pipes = 2;
542 		rdev->config.rv770.max_tile_pipes = 2;
543 		rdev->config.rv770.max_simds = 2;
544 		rdev->config.rv770.max_backends = 1;
545 		rdev->config.rv770.max_gprs = 256;
546 		rdev->config.rv770.max_threads = 192;
547 		rdev->config.rv770.max_stack_entries = 256;
548 		rdev->config.rv770.max_hw_contexts = 4;
549 		rdev->config.rv770.max_gs_threads = 8 * 2;
550 		rdev->config.rv770.sx_max_export_size = 128;
551 		rdev->config.rv770.sx_max_export_pos_size = 16;
552 		rdev->config.rv770.sx_max_export_smx_size = 112;
553 		rdev->config.rv770.sq_num_cf_insts = 1;
554 
555 		rdev->config.rv770.sx_num_of_sets = 7;
556 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
557 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
558 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
559 		break;
560 	case CHIP_RV740:
561 		rdev->config.rv770.max_pipes = 4;
562 		rdev->config.rv770.max_tile_pipes = 4;
563 		rdev->config.rv770.max_simds = 8;
564 		rdev->config.rv770.max_backends = 4;
565 		rdev->config.rv770.max_gprs = 256;
566 		rdev->config.rv770.max_threads = 248;
567 		rdev->config.rv770.max_stack_entries = 512;
568 		rdev->config.rv770.max_hw_contexts = 8;
569 		rdev->config.rv770.max_gs_threads = 16 * 2;
570 		rdev->config.rv770.sx_max_export_size = 256;
571 		rdev->config.rv770.sx_max_export_pos_size = 32;
572 		rdev->config.rv770.sx_max_export_smx_size = 224;
573 		rdev->config.rv770.sq_num_cf_insts = 2;
574 
575 		rdev->config.rv770.sx_num_of_sets = 7;
576 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
577 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
578 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
579 
580 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
581 			rdev->config.rv770.sx_max_export_pos_size -= 16;
582 			rdev->config.rv770.sx_max_export_smx_size += 16;
583 		}
584 		break;
585 	default:
586 		break;
587 	}
588 
589 	/* Initialize HDP */
590 	j = 0;
591 	for (i = 0; i < 32; i++) {
592 		WREG32((0x2c14 + j), 0x00000000);
593 		WREG32((0x2c18 + j), 0x00000000);
594 		WREG32((0x2c1c + j), 0x00000000);
595 		WREG32((0x2c20 + j), 0x00000000);
596 		WREG32((0x2c24 + j), 0x00000000);
597 		j += 0x18;
598 	}
599 
600 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
601 
602 	/* setup tiling, simd, pipe config */
603 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
604 
605 	switch (rdev->config.rv770.max_tile_pipes) {
606 	case 1:
607 	default:
608 		gb_tiling_config |= PIPE_TILING(0);
609 		break;
610 	case 2:
611 		gb_tiling_config |= PIPE_TILING(1);
612 		break;
613 	case 4:
614 		gb_tiling_config |= PIPE_TILING(2);
615 		break;
616 	case 8:
617 		gb_tiling_config |= PIPE_TILING(3);
618 		break;
619 	}
620 	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
621 
622 	if (rdev->family == CHIP_RV770)
623 		gb_tiling_config |= BANK_TILING(1);
624 	else
625 		gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
626 	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
627 
628 	gb_tiling_config |= GROUP_SIZE(0);
629 	rdev->config.rv770.tiling_group_size = 256;
630 
631 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
632 		gb_tiling_config |= ROW_TILING(3);
633 		gb_tiling_config |= SAMPLE_SPLIT(3);
634 	} else {
635 		gb_tiling_config |=
636 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
637 		gb_tiling_config |=
638 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
639 	}
640 
641 	gb_tiling_config |= BANK_SWAPS(1);
642 
643 	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
644 	cc_rb_backend_disable |=
645 		BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
646 
647 	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
648 	cc_gc_shader_pipe_config |=
649 		INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
650 	cc_gc_shader_pipe_config |=
651 		INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
652 
653 	if (rdev->family == CHIP_RV740)
654 		backend_map = 0x28;
655 	else
656 		backend_map = r700_get_tile_pipe_to_backend_map(rdev,
657 								rdev->config.rv770.max_tile_pipes,
658 								(R7XX_MAX_BACKENDS -
659 								 r600_count_pipe_bits((cc_rb_backend_disable &
660 										       R7XX_MAX_BACKENDS_MASK) >> 16)),
661 								(cc_rb_backend_disable >> 16));
662 	gb_tiling_config |= BACKEND_MAP(backend_map);
663 
664 
665 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
666 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
667 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
668 
669 	WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
670 	WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
671 	WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
672 	WREG32(CC_SYS_RB_BACKEND_DISABLE,  cc_rb_backend_disable);
673 
674 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
675 	WREG32(CGTS_TCC_DISABLE, 0);
676 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
677 	WREG32(CGTS_USER_TCC_DISABLE, 0);
678 
679 	num_qd_pipes =
680 		R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
681 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
682 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
683 
684 	/* set HW defaults for 3D engine */
685 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
686 				     ROQ_IB2_START(0x2b)));
687 
688 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
689 
690 	ta_aux_cntl = RREG32(TA_CNTL_AUX);
691 	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
692 
693 	sx_debug_1 = RREG32(SX_DEBUG_1);
694 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
695 	WREG32(SX_DEBUG_1, sx_debug_1);
696 
697 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
698 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
699 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
700 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
701 
702 	if (rdev->family != CHIP_RV740)
703 		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
704 				       GS_FLUSH_CTL(4) |
705 				       ACK_FLUSH_CTL(3) |
706 				       SYNC_FLUSH_CTL));
707 
708 	db_debug3 = RREG32(DB_DEBUG3);
709 	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
710 	switch (rdev->family) {
711 	case CHIP_RV770:
712 	case CHIP_RV740:
713 		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
714 		break;
715 	case CHIP_RV710:
716 	case CHIP_RV730:
717 	default:
718 		db_debug3 |= DB_CLK_OFF_DELAY(2);
719 		break;
720 	}
721 	WREG32(DB_DEBUG3, db_debug3);
722 
723 	if (rdev->family != CHIP_RV770) {
724 		db_debug4 = RREG32(DB_DEBUG4);
725 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
726 		WREG32(DB_DEBUG4, db_debug4);
727 	}
728 
729 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
730 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
731 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
732 
733 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
734 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
735 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
736 
737 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
738 
739 	WREG32(VGT_NUM_INSTANCES, 1);
740 
741 	WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
742 
743 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
744 
745 	WREG32(CP_PERFMON_CNTL, 0);
746 
747 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
748 			    DONE_FIFO_HIWATER(0xe0) |
749 			    ALU_UPDATE_FIFO_HIWATER(0x8));
750 	switch (rdev->family) {
751 	case CHIP_RV770:
752 	case CHIP_RV730:
753 	case CHIP_RV710:
754 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
755 		break;
756 	case CHIP_RV740:
757 	default:
758 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
759 		break;
760 	}
761 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
762 
763 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
764 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
765 	 */
766 	sq_config = RREG32(SQ_CONFIG);
767 	sq_config &= ~(PS_PRIO(3) |
768 		       VS_PRIO(3) |
769 		       GS_PRIO(3) |
770 		       ES_PRIO(3));
771 	sq_config |= (DX9_CONSTS |
772 		      VC_ENABLE |
773 		      EXPORT_SRC_C |
774 		      PS_PRIO(0) |
775 		      VS_PRIO(1) |
776 		      GS_PRIO(2) |
777 		      ES_PRIO(3));
778 	if (rdev->family == CHIP_RV710)
779 		/* no vertex cache */
780 		sq_config &= ~VC_ENABLE;
781 
782 	WREG32(SQ_CONFIG, sq_config);
783 
784 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
785 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
786 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
787 
788 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
789 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
790 
791 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
792 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
793 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
794 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
795 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
796 	else
797 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
798 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
799 
800 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
801 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
802 
803 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
804 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
805 
806 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
807 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
808 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
809 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
810 
811 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
812 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
813 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
814 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
815 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
816 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
817 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
818 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
819 
820 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
821 					  FORCE_EOV_MAX_REZ_CNT(255)));
822 
823 	if (rdev->family == CHIP_RV710)
824 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
825 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
826 	else
827 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
828 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
829 
830 	switch (rdev->family) {
831 	case CHIP_RV770:
832 	case CHIP_RV730:
833 	case CHIP_RV740:
834 		gs_prim_buffer_depth = 384;
835 		break;
836 	case CHIP_RV710:
837 		gs_prim_buffer_depth = 128;
838 		break;
839 	default:
840 		break;
841 	}
842 
843 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
844 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
845 	/* Max value for this is 256 */
846 	if (vgt_gs_per_es > 256)
847 		vgt_gs_per_es = 256;
848 
849 	WREG32(VGT_ES_PER_GS, 128);
850 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
851 	WREG32(VGT_GS_PER_VS, 2);
852 
853 	/* more default values. 2D/3D driver should adjust as needed */
854 	WREG32(VGT_GS_VERTEX_REUSE, 16);
855 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
856 	WREG32(VGT_STRMOUT_EN, 0);
857 	WREG32(SX_MISC, 0);
858 	WREG32(PA_SC_MODE_CNTL, 0);
859 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
860 	WREG32(PA_SC_AA_CONFIG, 0);
861 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
862 	WREG32(PA_SC_LINE_STIPPLE, 0);
863 	WREG32(SPI_INPUT_Z, 0);
864 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
865 	WREG32(CB_COLOR7_FRAG, 0);
866 
867 	/* clear render buffer base addresses */
868 	WREG32(CB_COLOR0_BASE, 0);
869 	WREG32(CB_COLOR1_BASE, 0);
870 	WREG32(CB_COLOR2_BASE, 0);
871 	WREG32(CB_COLOR3_BASE, 0);
872 	WREG32(CB_COLOR4_BASE, 0);
873 	WREG32(CB_COLOR5_BASE, 0);
874 	WREG32(CB_COLOR6_BASE, 0);
875 	WREG32(CB_COLOR7_BASE, 0);
876 
877 	WREG32(TCP_CNTL, 0);
878 
879 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
880 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
881 
882 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
883 
884 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
885 					  NUM_CLIP_SEQ(3)));
886 
887 }
888 
889 int rv770_mc_init(struct radeon_device *rdev)
890 {
891 	u32 tmp;
892 	int chansize, numchan;
893 
894 	/* Get VRAM informations */
895 	rdev->mc.vram_is_ddr = true;
896 	tmp = RREG32(MC_ARB_RAMCFG);
897 	if (tmp & CHANSIZE_OVERRIDE) {
898 		chansize = 16;
899 	} else if (tmp & CHANSIZE_MASK) {
900 		chansize = 64;
901 	} else {
902 		chansize = 32;
903 	}
904 	tmp = RREG32(MC_SHARED_CHMAP);
905 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
906 	case 0:
907 	default:
908 		numchan = 1;
909 		break;
910 	case 1:
911 		numchan = 2;
912 		break;
913 	case 2:
914 		numchan = 4;
915 		break;
916 	case 3:
917 		numchan = 8;
918 		break;
919 	}
920 	rdev->mc.vram_width = numchan * chansize;
921 	/* Could aper size report 0 ? */
922 	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
923 	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
924 	/* Setup GPU memory space */
925 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
926 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
927 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
928 	r600_vram_gtt_location(rdev, &rdev->mc);
929 	radeon_update_bandwidth_info(rdev);
930 
931 	return 0;
932 }
933 
934 static int rv770_startup(struct radeon_device *rdev)
935 {
936 	int r;
937 
938 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
939 		r = r600_init_microcode(rdev);
940 		if (r) {
941 			DRM_ERROR("Failed to load firmware!\n");
942 			return r;
943 		}
944 	}
945 
946 	rv770_mc_program(rdev);
947 	if (rdev->flags & RADEON_IS_AGP) {
948 		rv770_agp_enable(rdev);
949 	} else {
950 		r = rv770_pcie_gart_enable(rdev);
951 		if (r)
952 			return r;
953 	}
954 	rv770_gpu_init(rdev);
955 	r = r600_blit_init(rdev);
956 	if (r) {
957 		r600_blit_fini(rdev);
958 		rdev->asic->copy = NULL;
959 		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
960 	}
961 	/* pin copy shader into vram */
962 	if (rdev->r600_blit.shader_obj) {
963 		r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
964 		if (unlikely(r != 0))
965 			return r;
966 		r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
967 				&rdev->r600_blit.shader_gpu_addr);
968 		radeon_bo_unreserve(rdev->r600_blit.shader_obj);
969 		if (r) {
970 			DRM_ERROR("failed to pin blit object %d\n", r);
971 			return r;
972 		}
973 	}
974 	/* Enable IRQ */
975 	r = r600_irq_init(rdev);
976 	if (r) {
977 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
978 		radeon_irq_kms_fini(rdev);
979 		return r;
980 	}
981 	r600_irq_set(rdev);
982 
983 	r = radeon_ring_init(rdev, rdev->cp.ring_size);
984 	if (r)
985 		return r;
986 	r = rv770_cp_load_microcode(rdev);
987 	if (r)
988 		return r;
989 	r = r600_cp_resume(rdev);
990 	if (r)
991 		return r;
992 	/* write back buffer are not vital so don't worry about failure */
993 	r600_wb_enable(rdev);
994 	return 0;
995 }
996 
997 int rv770_resume(struct radeon_device *rdev)
998 {
999 	int r;
1000 
1001 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1002 	 * posting will perform necessary task to bring back GPU into good
1003 	 * shape.
1004 	 */
1005 	/* post card */
1006 	atom_asic_init(rdev->mode_info.atom_context);
1007 	/* Initialize clocks */
1008 	r = radeon_clocks_init(rdev);
1009 	if (r) {
1010 		return r;
1011 	}
1012 
1013 	r = rv770_startup(rdev);
1014 	if (r) {
1015 		DRM_ERROR("r600 startup failed on resume\n");
1016 		return r;
1017 	}
1018 
1019 	r = r600_ib_test(rdev);
1020 	if (r) {
1021 		DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1022 		return r;
1023 	}
1024 
1025 	r = r600_audio_init(rdev);
1026 	if (r) {
1027 		dev_err(rdev->dev, "radeon: audio init failed\n");
1028 		return r;
1029 	}
1030 
1031 	return r;
1032 
1033 }
1034 
1035 int rv770_suspend(struct radeon_device *rdev)
1036 {
1037 	int r;
1038 
1039 	r600_audio_fini(rdev);
1040 	/* FIXME: we should wait for ring to be empty */
1041 	r700_cp_stop(rdev);
1042 	rdev->cp.ready = false;
1043 	r600_irq_suspend(rdev);
1044 	r600_wb_disable(rdev);
1045 	rv770_pcie_gart_disable(rdev);
1046 	/* unpin shaders bo */
1047 	if (rdev->r600_blit.shader_obj) {
1048 		r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
1049 		if (likely(r == 0)) {
1050 			radeon_bo_unpin(rdev->r600_blit.shader_obj);
1051 			radeon_bo_unreserve(rdev->r600_blit.shader_obj);
1052 		}
1053 	}
1054 	return 0;
1055 }
1056 
1057 /* Plan is to move initialization in that function and use
1058  * helper function so that radeon_device_init pretty much
1059  * do nothing more than calling asic specific function. This
1060  * should also allow to remove a bunch of callback function
1061  * like vram_info.
1062  */
1063 int rv770_init(struct radeon_device *rdev)
1064 {
1065 	int r;
1066 
1067 	r = radeon_dummy_page_init(rdev);
1068 	if (r)
1069 		return r;
1070 	/* This don't do much */
1071 	r = radeon_gem_init(rdev);
1072 	if (r)
1073 		return r;
1074 	/* Read BIOS */
1075 	if (!radeon_get_bios(rdev)) {
1076 		if (ASIC_IS_AVIVO(rdev))
1077 			return -EINVAL;
1078 	}
1079 	/* Must be an ATOMBIOS */
1080 	if (!rdev->is_atom_bios) {
1081 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1082 		return -EINVAL;
1083 	}
1084 	r = radeon_atombios_init(rdev);
1085 	if (r)
1086 		return r;
1087 	/* Post card if necessary */
1088 	if (!r600_card_posted(rdev)) {
1089 		if (!rdev->bios) {
1090 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1091 			return -EINVAL;
1092 		}
1093 		DRM_INFO("GPU not posted. posting now...\n");
1094 		atom_asic_init(rdev->mode_info.atom_context);
1095 	}
1096 	/* Initialize scratch registers */
1097 	r600_scratch_init(rdev);
1098 	/* Initialize surface registers */
1099 	radeon_surface_init(rdev);
1100 	/* Initialize clocks */
1101 	radeon_get_clock_info(rdev->ddev);
1102 	r = radeon_clocks_init(rdev);
1103 	if (r)
1104 		return r;
1105 	/* Fence driver */
1106 	r = radeon_fence_driver_init(rdev);
1107 	if (r)
1108 		return r;
1109 	/* initialize AGP */
1110 	if (rdev->flags & RADEON_IS_AGP) {
1111 		r = radeon_agp_init(rdev);
1112 		if (r)
1113 			radeon_agp_disable(rdev);
1114 	}
1115 	r = rv770_mc_init(rdev);
1116 	if (r)
1117 		return r;
1118 	/* Memory manager */
1119 	r = radeon_bo_init(rdev);
1120 	if (r)
1121 		return r;
1122 
1123 	r = radeon_irq_kms_init(rdev);
1124 	if (r)
1125 		return r;
1126 
1127 	rdev->cp.ring_obj = NULL;
1128 	r600_ring_init(rdev, 1024 * 1024);
1129 
1130 	rdev->ih.ring_obj = NULL;
1131 	r600_ih_ring_init(rdev, 64 * 1024);
1132 
1133 	r = r600_pcie_gart_init(rdev);
1134 	if (r)
1135 		return r;
1136 
1137 	rdev->accel_working = true;
1138 	r = rv770_startup(rdev);
1139 	if (r) {
1140 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1141 		r700_cp_fini(rdev);
1142 		r600_wb_fini(rdev);
1143 		r600_irq_fini(rdev);
1144 		radeon_irq_kms_fini(rdev);
1145 		rv770_pcie_gart_fini(rdev);
1146 		rdev->accel_working = false;
1147 	}
1148 	if (rdev->accel_working) {
1149 		r = radeon_ib_pool_init(rdev);
1150 		if (r) {
1151 			dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1152 			rdev->accel_working = false;
1153 		} else {
1154 			r = r600_ib_test(rdev);
1155 			if (r) {
1156 				dev_err(rdev->dev, "IB test failed (%d).\n", r);
1157 				rdev->accel_working = false;
1158 			}
1159 		}
1160 	}
1161 
1162 	r = r600_audio_init(rdev);
1163 	if (r) {
1164 		dev_err(rdev->dev, "radeon: audio init failed\n");
1165 		return r;
1166 	}
1167 
1168 	return 0;
1169 }
1170 
1171 void rv770_fini(struct radeon_device *rdev)
1172 {
1173 	r600_blit_fini(rdev);
1174 	r700_cp_fini(rdev);
1175 	r600_wb_fini(rdev);
1176 	r600_irq_fini(rdev);
1177 	radeon_irq_kms_fini(rdev);
1178 	rv770_pcie_gart_fini(rdev);
1179 	radeon_gem_fini(rdev);
1180 	radeon_fence_driver_fini(rdev);
1181 	radeon_clocks_fini(rdev);
1182 	radeon_agp_fini(rdev);
1183 	radeon_bo_fini(rdev);
1184 	radeon_atombios_fini(rdev);
1185 	kfree(rdev->bios);
1186 	rdev->bios = NULL;
1187 	radeon_dummy_page_fini(rdev);
1188 }
1189