xref: /openbmc/linux/drivers/gpu/drm/radeon/rv770.c (revision a09d2831)
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 	/* Setup L2 cache */
60 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
61 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
62 				EFFECTIVE_L2_QUEUE_SIZE(7));
63 	WREG32(VM_L2_CNTL2, 0);
64 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
65 	/* Setup TLB control */
66 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
67 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
68 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
69 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
70 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
71 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
72 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
73 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
74 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
75 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
76 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
77 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
78 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
79 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
80 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
81 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
82 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
83 			(u32)(rdev->dummy_page.addr >> 12));
84 	for (i = 1; i < 7; i++)
85 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
86 
87 	r600_pcie_gart_tlb_flush(rdev);
88 	rdev->gart.ready = true;
89 	return 0;
90 }
91 
92 void rv770_pcie_gart_disable(struct radeon_device *rdev)
93 {
94 	u32 tmp;
95 	int i, r;
96 
97 	/* Disable all tables */
98 	for (i = 0; i < 7; i++)
99 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
100 
101 	/* Setup L2 cache */
102 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
103 				EFFECTIVE_L2_QUEUE_SIZE(7));
104 	WREG32(VM_L2_CNTL2, 0);
105 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
106 	/* Setup TLB control */
107 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
108 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
109 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
110 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
111 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
112 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
113 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
114 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
115 	if (rdev->gart.table.vram.robj) {
116 		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
117 		if (likely(r == 0)) {
118 			radeon_bo_kunmap(rdev->gart.table.vram.robj);
119 			radeon_bo_unpin(rdev->gart.table.vram.robj);
120 			radeon_bo_unreserve(rdev->gart.table.vram.robj);
121 		}
122 	}
123 }
124 
125 void rv770_pcie_gart_fini(struct radeon_device *rdev)
126 {
127 	rv770_pcie_gart_disable(rdev);
128 	radeon_gart_table_vram_free(rdev);
129 	radeon_gart_fini(rdev);
130 }
131 
132 
133 void rv770_agp_enable(struct radeon_device *rdev)
134 {
135 	u32 tmp;
136 	int i;
137 
138 	/* Setup L2 cache */
139 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
140 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
141 				EFFECTIVE_L2_QUEUE_SIZE(7));
142 	WREG32(VM_L2_CNTL2, 0);
143 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
144 	/* Setup TLB control */
145 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
146 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
147 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
148 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
149 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
150 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
151 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
152 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
153 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
154 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
155 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
156 	for (i = 0; i < 7; i++)
157 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
158 }
159 
160 static void rv770_mc_program(struct radeon_device *rdev)
161 {
162 	struct rv515_mc_save save;
163 	u32 tmp;
164 	int i, j;
165 
166 	/* Initialize HDP */
167 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
168 		WREG32((0x2c14 + j), 0x00000000);
169 		WREG32((0x2c18 + j), 0x00000000);
170 		WREG32((0x2c1c + j), 0x00000000);
171 		WREG32((0x2c20 + j), 0x00000000);
172 		WREG32((0x2c24 + j), 0x00000000);
173 	}
174 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
175 
176 	rv515_mc_stop(rdev, &save);
177 	if (r600_mc_wait_for_idle(rdev)) {
178 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
179 	}
180 	/* Lockout access through VGA aperture*/
181 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
182 	/* Update configuration */
183 	if (rdev->flags & RADEON_IS_AGP) {
184 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
185 			/* VRAM before AGP */
186 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
187 				rdev->mc.vram_start >> 12);
188 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
189 				rdev->mc.gtt_end >> 12);
190 		} else {
191 			/* VRAM after AGP */
192 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
193 				rdev->mc.gtt_start >> 12);
194 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
195 				rdev->mc.vram_end >> 12);
196 		}
197 	} else {
198 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
199 			rdev->mc.vram_start >> 12);
200 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
201 			rdev->mc.vram_end >> 12);
202 	}
203 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
204 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
205 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
206 	WREG32(MC_VM_FB_LOCATION, tmp);
207 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
208 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
209 	WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
210 	if (rdev->flags & RADEON_IS_AGP) {
211 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
212 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
213 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
214 	} else {
215 		WREG32(MC_VM_AGP_BASE, 0);
216 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
217 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
218 	}
219 	if (r600_mc_wait_for_idle(rdev)) {
220 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
221 	}
222 	rv515_mc_resume(rdev, &save);
223 	/* we need to own VRAM, so turn off the VGA renderer here
224 	 * to stop it overwriting our objects */
225 	rv515_vga_render_disable(rdev);
226 }
227 
228 
229 /*
230  * CP.
231  */
232 void r700_cp_stop(struct radeon_device *rdev)
233 {
234 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
235 }
236 
237 
238 static int rv770_cp_load_microcode(struct radeon_device *rdev)
239 {
240 	const __be32 *fw_data;
241 	int i;
242 
243 	if (!rdev->me_fw || !rdev->pfp_fw)
244 		return -EINVAL;
245 
246 	r700_cp_stop(rdev);
247 	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
248 
249 	/* Reset cp */
250 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
251 	RREG32(GRBM_SOFT_RESET);
252 	mdelay(15);
253 	WREG32(GRBM_SOFT_RESET, 0);
254 
255 	fw_data = (const __be32 *)rdev->pfp_fw->data;
256 	WREG32(CP_PFP_UCODE_ADDR, 0);
257 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
258 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
259 	WREG32(CP_PFP_UCODE_ADDR, 0);
260 
261 	fw_data = (const __be32 *)rdev->me_fw->data;
262 	WREG32(CP_ME_RAM_WADDR, 0);
263 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
264 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
265 
266 	WREG32(CP_PFP_UCODE_ADDR, 0);
267 	WREG32(CP_ME_RAM_WADDR, 0);
268 	WREG32(CP_ME_RAM_RADDR, 0);
269 	return 0;
270 }
271 
272 
273 /*
274  * Core functions
275  */
276 static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
277 						u32 num_backends,
278 						u32 backend_disable_mask)
279 {
280 	u32 backend_map = 0;
281 	u32 enabled_backends_mask;
282 	u32 enabled_backends_count;
283 	u32 cur_pipe;
284 	u32 swizzle_pipe[R7XX_MAX_PIPES];
285 	u32 cur_backend;
286 	u32 i;
287 
288 	if (num_tile_pipes > R7XX_MAX_PIPES)
289 		num_tile_pipes = R7XX_MAX_PIPES;
290 	if (num_tile_pipes < 1)
291 		num_tile_pipes = 1;
292 	if (num_backends > R7XX_MAX_BACKENDS)
293 		num_backends = R7XX_MAX_BACKENDS;
294 	if (num_backends < 1)
295 		num_backends = 1;
296 
297 	enabled_backends_mask = 0;
298 	enabled_backends_count = 0;
299 	for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
300 		if (((backend_disable_mask >> i) & 1) == 0) {
301 			enabled_backends_mask |= (1 << i);
302 			++enabled_backends_count;
303 		}
304 		if (enabled_backends_count == num_backends)
305 			break;
306 	}
307 
308 	if (enabled_backends_count == 0) {
309 		enabled_backends_mask = 1;
310 		enabled_backends_count = 1;
311 	}
312 
313 	if (enabled_backends_count != num_backends)
314 		num_backends = enabled_backends_count;
315 
316 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
317 	switch (num_tile_pipes) {
318 	case 1:
319 		swizzle_pipe[0] = 0;
320 		break;
321 	case 2:
322 		swizzle_pipe[0] = 0;
323 		swizzle_pipe[1] = 1;
324 		break;
325 	case 3:
326 		swizzle_pipe[0] = 0;
327 		swizzle_pipe[1] = 2;
328 		swizzle_pipe[2] = 1;
329 		break;
330 	case 4:
331 		swizzle_pipe[0] = 0;
332 		swizzle_pipe[1] = 2;
333 		swizzle_pipe[2] = 3;
334 		swizzle_pipe[3] = 1;
335 		break;
336 	case 5:
337 		swizzle_pipe[0] = 0;
338 		swizzle_pipe[1] = 2;
339 		swizzle_pipe[2] = 4;
340 		swizzle_pipe[3] = 1;
341 		swizzle_pipe[4] = 3;
342 		break;
343 	case 6:
344 		swizzle_pipe[0] = 0;
345 		swizzle_pipe[1] = 2;
346 		swizzle_pipe[2] = 4;
347 		swizzle_pipe[3] = 5;
348 		swizzle_pipe[4] = 3;
349 		swizzle_pipe[5] = 1;
350 		break;
351 	case 7:
352 		swizzle_pipe[0] = 0;
353 		swizzle_pipe[1] = 2;
354 		swizzle_pipe[2] = 4;
355 		swizzle_pipe[3] = 6;
356 		swizzle_pipe[4] = 3;
357 		swizzle_pipe[5] = 1;
358 		swizzle_pipe[6] = 5;
359 		break;
360 	case 8:
361 		swizzle_pipe[0] = 0;
362 		swizzle_pipe[1] = 2;
363 		swizzle_pipe[2] = 4;
364 		swizzle_pipe[3] = 6;
365 		swizzle_pipe[4] = 3;
366 		swizzle_pipe[5] = 1;
367 		swizzle_pipe[6] = 7;
368 		swizzle_pipe[7] = 5;
369 		break;
370 	}
371 
372 	cur_backend = 0;
373 	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
374 		while (((1 << cur_backend) & enabled_backends_mask) == 0)
375 			cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
376 
377 		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
378 
379 		cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
380 	}
381 
382 	return backend_map;
383 }
384 
385 static void rv770_gpu_init(struct radeon_device *rdev)
386 {
387 	int i, j, num_qd_pipes;
388 	u32 sx_debug_1;
389 	u32 smx_dc_ctl0;
390 	u32 num_gs_verts_per_thread;
391 	u32 vgt_gs_per_es;
392 	u32 gs_prim_buffer_depth = 0;
393 	u32 sq_ms_fifo_sizes;
394 	u32 sq_config;
395 	u32 sq_thread_resource_mgmt;
396 	u32 hdp_host_path_cntl;
397 	u32 sq_dyn_gpr_size_simd_ab_0;
398 	u32 backend_map;
399 	u32 gb_tiling_config = 0;
400 	u32 cc_rb_backend_disable = 0;
401 	u32 cc_gc_shader_pipe_config = 0;
402 	u32 mc_arb_ramcfg;
403 	u32 db_debug4;
404 
405 	/* setup chip specs */
406 	switch (rdev->family) {
407 	case CHIP_RV770:
408 		rdev->config.rv770.max_pipes = 4;
409 		rdev->config.rv770.max_tile_pipes = 8;
410 		rdev->config.rv770.max_simds = 10;
411 		rdev->config.rv770.max_backends = 4;
412 		rdev->config.rv770.max_gprs = 256;
413 		rdev->config.rv770.max_threads = 248;
414 		rdev->config.rv770.max_stack_entries = 512;
415 		rdev->config.rv770.max_hw_contexts = 8;
416 		rdev->config.rv770.max_gs_threads = 16 * 2;
417 		rdev->config.rv770.sx_max_export_size = 128;
418 		rdev->config.rv770.sx_max_export_pos_size = 16;
419 		rdev->config.rv770.sx_max_export_smx_size = 112;
420 		rdev->config.rv770.sq_num_cf_insts = 2;
421 
422 		rdev->config.rv770.sx_num_of_sets = 7;
423 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
424 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
425 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
426 		break;
427 	case CHIP_RV730:
428 		rdev->config.rv770.max_pipes = 2;
429 		rdev->config.rv770.max_tile_pipes = 4;
430 		rdev->config.rv770.max_simds = 8;
431 		rdev->config.rv770.max_backends = 2;
432 		rdev->config.rv770.max_gprs = 128;
433 		rdev->config.rv770.max_threads = 248;
434 		rdev->config.rv770.max_stack_entries = 256;
435 		rdev->config.rv770.max_hw_contexts = 8;
436 		rdev->config.rv770.max_gs_threads = 16 * 2;
437 		rdev->config.rv770.sx_max_export_size = 256;
438 		rdev->config.rv770.sx_max_export_pos_size = 32;
439 		rdev->config.rv770.sx_max_export_smx_size = 224;
440 		rdev->config.rv770.sq_num_cf_insts = 2;
441 
442 		rdev->config.rv770.sx_num_of_sets = 7;
443 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
444 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
445 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
446 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
447 			rdev->config.rv770.sx_max_export_pos_size -= 16;
448 			rdev->config.rv770.sx_max_export_smx_size += 16;
449 		}
450 		break;
451 	case CHIP_RV710:
452 		rdev->config.rv770.max_pipes = 2;
453 		rdev->config.rv770.max_tile_pipes = 2;
454 		rdev->config.rv770.max_simds = 2;
455 		rdev->config.rv770.max_backends = 1;
456 		rdev->config.rv770.max_gprs = 256;
457 		rdev->config.rv770.max_threads = 192;
458 		rdev->config.rv770.max_stack_entries = 256;
459 		rdev->config.rv770.max_hw_contexts = 4;
460 		rdev->config.rv770.max_gs_threads = 8 * 2;
461 		rdev->config.rv770.sx_max_export_size = 128;
462 		rdev->config.rv770.sx_max_export_pos_size = 16;
463 		rdev->config.rv770.sx_max_export_smx_size = 112;
464 		rdev->config.rv770.sq_num_cf_insts = 1;
465 
466 		rdev->config.rv770.sx_num_of_sets = 7;
467 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
468 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
469 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
470 		break;
471 	case CHIP_RV740:
472 		rdev->config.rv770.max_pipes = 4;
473 		rdev->config.rv770.max_tile_pipes = 4;
474 		rdev->config.rv770.max_simds = 8;
475 		rdev->config.rv770.max_backends = 4;
476 		rdev->config.rv770.max_gprs = 256;
477 		rdev->config.rv770.max_threads = 248;
478 		rdev->config.rv770.max_stack_entries = 512;
479 		rdev->config.rv770.max_hw_contexts = 8;
480 		rdev->config.rv770.max_gs_threads = 16 * 2;
481 		rdev->config.rv770.sx_max_export_size = 256;
482 		rdev->config.rv770.sx_max_export_pos_size = 32;
483 		rdev->config.rv770.sx_max_export_smx_size = 224;
484 		rdev->config.rv770.sq_num_cf_insts = 2;
485 
486 		rdev->config.rv770.sx_num_of_sets = 7;
487 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
488 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
489 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
490 
491 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
492 			rdev->config.rv770.sx_max_export_pos_size -= 16;
493 			rdev->config.rv770.sx_max_export_smx_size += 16;
494 		}
495 		break;
496 	default:
497 		break;
498 	}
499 
500 	/* Initialize HDP */
501 	j = 0;
502 	for (i = 0; i < 32; i++) {
503 		WREG32((0x2c14 + j), 0x00000000);
504 		WREG32((0x2c18 + j), 0x00000000);
505 		WREG32((0x2c1c + j), 0x00000000);
506 		WREG32((0x2c20 + j), 0x00000000);
507 		WREG32((0x2c24 + j), 0x00000000);
508 		j += 0x18;
509 	}
510 
511 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
512 
513 	/* setup tiling, simd, pipe config */
514 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
515 
516 	switch (rdev->config.rv770.max_tile_pipes) {
517 	case 1:
518 		gb_tiling_config |= PIPE_TILING(0);
519 		break;
520 	case 2:
521 		gb_tiling_config |= PIPE_TILING(1);
522 		break;
523 	case 4:
524 		gb_tiling_config |= PIPE_TILING(2);
525 		break;
526 	case 8:
527 		gb_tiling_config |= PIPE_TILING(3);
528 		break;
529 	default:
530 		break;
531 	}
532 
533 	if (rdev->family == CHIP_RV770)
534 		gb_tiling_config |= BANK_TILING(1);
535 	else
536 		gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
537 
538 	gb_tiling_config |= GROUP_SIZE(0);
539 
540 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
541 		gb_tiling_config |= ROW_TILING(3);
542 		gb_tiling_config |= SAMPLE_SPLIT(3);
543 	} else {
544 		gb_tiling_config |=
545 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
546 		gb_tiling_config |=
547 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
548 	}
549 
550 	gb_tiling_config |= BANK_SWAPS(1);
551 
552 	backend_map = r700_get_tile_pipe_to_backend_map(rdev->config.rv770.max_tile_pipes,
553 							rdev->config.rv770.max_backends,
554 							(0xff << rdev->config.rv770.max_backends) & 0xff);
555 	gb_tiling_config |= BACKEND_MAP(backend_map);
556 
557 	cc_gc_shader_pipe_config =
558 		INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
559 	cc_gc_shader_pipe_config |=
560 		INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
561 
562 	cc_rb_backend_disable =
563 		BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
564 
565 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
566 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
567 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
568 
569 	WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
570 	WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
571 	WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
572 
573 	WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
574 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
575 	WREG32(CGTS_TCC_DISABLE, 0);
576 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
577 	WREG32(CGTS_USER_TCC_DISABLE, 0);
578 
579 	num_qd_pipes =
580 		R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK);
581 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
582 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
583 
584 	/* set HW defaults for 3D engine */
585 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
586 				     ROQ_IB2_START(0x2b)));
587 
588 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
589 
590 	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
591 			     SYNC_GRADIENT |
592 			     SYNC_WALKER |
593 			     SYNC_ALIGNER));
594 
595 	sx_debug_1 = RREG32(SX_DEBUG_1);
596 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
597 	WREG32(SX_DEBUG_1, sx_debug_1);
598 
599 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
600 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
601 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
602 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
603 
604 	WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
605 			       GS_FLUSH_CTL(4) |
606 			       ACK_FLUSH_CTL(3) |
607 			       SYNC_FLUSH_CTL));
608 
609 	if (rdev->family == CHIP_RV770)
610 		WREG32(DB_DEBUG3, DB_CLK_OFF_DELAY(0x1f));
611 	else {
612 		db_debug4 = RREG32(DB_DEBUG4);
613 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
614 		WREG32(DB_DEBUG4, db_debug4);
615 	}
616 
617 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
618 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
619 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
620 
621 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
622 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
623 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
624 
625 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
626 
627 	WREG32(VGT_NUM_INSTANCES, 1);
628 
629 	WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
630 
631 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
632 
633 	WREG32(CP_PERFMON_CNTL, 0);
634 
635 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
636 			    DONE_FIFO_HIWATER(0xe0) |
637 			    ALU_UPDATE_FIFO_HIWATER(0x8));
638 	switch (rdev->family) {
639 	case CHIP_RV770:
640 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
641 		break;
642 	case CHIP_RV730:
643 	case CHIP_RV710:
644 	case CHIP_RV740:
645 	default:
646 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
647 		break;
648 	}
649 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
650 
651 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
652 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
653 	 */
654 	sq_config = RREG32(SQ_CONFIG);
655 	sq_config &= ~(PS_PRIO(3) |
656 		       VS_PRIO(3) |
657 		       GS_PRIO(3) |
658 		       ES_PRIO(3));
659 	sq_config |= (DX9_CONSTS |
660 		      VC_ENABLE |
661 		      EXPORT_SRC_C |
662 		      PS_PRIO(0) |
663 		      VS_PRIO(1) |
664 		      GS_PRIO(2) |
665 		      ES_PRIO(3));
666 	if (rdev->family == CHIP_RV710)
667 		/* no vertex cache */
668 		sq_config &= ~VC_ENABLE;
669 
670 	WREG32(SQ_CONFIG, sq_config);
671 
672 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
673 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
674 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
675 
676 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
677 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
678 
679 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
680 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
681 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
682 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
683 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
684 	else
685 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
686 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
687 
688 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
689 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
690 
691 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
692 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
693 
694 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
695 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
696 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
697 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
698 
699 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
700 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
701 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
702 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
703 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
704 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
705 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
706 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
707 
708 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
709 					  FORCE_EOV_MAX_REZ_CNT(255)));
710 
711 	if (rdev->family == CHIP_RV710)
712 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
713 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
714 	else
715 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
716 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
717 
718 	switch (rdev->family) {
719 	case CHIP_RV770:
720 	case CHIP_RV730:
721 	case CHIP_RV740:
722 		gs_prim_buffer_depth = 384;
723 		break;
724 	case CHIP_RV710:
725 		gs_prim_buffer_depth = 128;
726 		break;
727 	default:
728 		break;
729 	}
730 
731 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
732 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
733 	/* Max value for this is 256 */
734 	if (vgt_gs_per_es > 256)
735 		vgt_gs_per_es = 256;
736 
737 	WREG32(VGT_ES_PER_GS, 128);
738 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
739 	WREG32(VGT_GS_PER_VS, 2);
740 
741 	/* more default values. 2D/3D driver should adjust as needed */
742 	WREG32(VGT_GS_VERTEX_REUSE, 16);
743 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
744 	WREG32(VGT_STRMOUT_EN, 0);
745 	WREG32(SX_MISC, 0);
746 	WREG32(PA_SC_MODE_CNTL, 0);
747 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
748 	WREG32(PA_SC_AA_CONFIG, 0);
749 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
750 	WREG32(PA_SC_LINE_STIPPLE, 0);
751 	WREG32(SPI_INPUT_Z, 0);
752 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
753 	WREG32(CB_COLOR7_FRAG, 0);
754 
755 	/* clear render buffer base addresses */
756 	WREG32(CB_COLOR0_BASE, 0);
757 	WREG32(CB_COLOR1_BASE, 0);
758 	WREG32(CB_COLOR2_BASE, 0);
759 	WREG32(CB_COLOR3_BASE, 0);
760 	WREG32(CB_COLOR4_BASE, 0);
761 	WREG32(CB_COLOR5_BASE, 0);
762 	WREG32(CB_COLOR6_BASE, 0);
763 	WREG32(CB_COLOR7_BASE, 0);
764 
765 	WREG32(TCP_CNTL, 0);
766 
767 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
768 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
769 
770 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
771 
772 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
773 					  NUM_CLIP_SEQ(3)));
774 
775 }
776 
777 int rv770_mc_init(struct radeon_device *rdev)
778 {
779 	fixed20_12 a;
780 	u32 tmp;
781 	int chansize, numchan;
782 	int r;
783 
784 	/* Get VRAM informations */
785 	rdev->mc.vram_is_ddr = true;
786 	tmp = RREG32(MC_ARB_RAMCFG);
787 	if (tmp & CHANSIZE_OVERRIDE) {
788 		chansize = 16;
789 	} else if (tmp & CHANSIZE_MASK) {
790 		chansize = 64;
791 	} else {
792 		chansize = 32;
793 	}
794 	tmp = RREG32(MC_SHARED_CHMAP);
795 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
796 	case 0:
797 	default:
798 		numchan = 1;
799 		break;
800 	case 1:
801 		numchan = 2;
802 		break;
803 	case 2:
804 		numchan = 4;
805 		break;
806 	case 3:
807 		numchan = 8;
808 		break;
809 	}
810 	rdev->mc.vram_width = numchan * chansize;
811 	/* Could aper size report 0 ? */
812 	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
813 	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
814 	/* Setup GPU memory space */
815 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
816 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
817 
818 	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
819 		rdev->mc.mc_vram_size = rdev->mc.aper_size;
820 
821 	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
822 		rdev->mc.real_vram_size = rdev->mc.aper_size;
823 
824 	if (rdev->flags & RADEON_IS_AGP) {
825 		r = radeon_agp_init(rdev);
826 		if (r)
827 			return r;
828 		/* gtt_size is setup by radeon_agp_init */
829 		rdev->mc.gtt_location = rdev->mc.agp_base;
830 		tmp = 0xFFFFFFFFUL - rdev->mc.agp_base - rdev->mc.gtt_size;
831 		/* Try to put vram before or after AGP because we
832 		 * we want SYSTEM_APERTURE to cover both VRAM and
833 		 * AGP so that GPU can catch out of VRAM/AGP access
834 		 */
835 		if (rdev->mc.gtt_location > rdev->mc.mc_vram_size) {
836 			/* Enough place before */
837 			rdev->mc.vram_location = rdev->mc.gtt_location -
838 							rdev->mc.mc_vram_size;
839 		} else if (tmp > rdev->mc.mc_vram_size) {
840 			/* Enough place after */
841 			rdev->mc.vram_location = rdev->mc.gtt_location +
842 							rdev->mc.gtt_size;
843 		} else {
844 			/* Try to setup VRAM then AGP might not
845 			 * not work on some card
846 			 */
847 			rdev->mc.vram_location = 0x00000000UL;
848 			rdev->mc.gtt_location = rdev->mc.mc_vram_size;
849 		}
850 	} else {
851 		rdev->mc.vram_location = 0x00000000UL;
852 		rdev->mc.gtt_location = rdev->mc.mc_vram_size;
853 		rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
854 	}
855 	rdev->mc.vram_start = rdev->mc.vram_location;
856 	rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
857 	rdev->mc.gtt_start = rdev->mc.gtt_location;
858 	rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
859 	/* FIXME: we should enforce default clock in case GPU is not in
860 	 * default setup
861 	 */
862 	a.full = rfixed_const(100);
863 	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
864 	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
865 	return 0;
866 }
867 int rv770_gpu_reset(struct radeon_device *rdev)
868 {
869 	/* FIXME: implement any rv770 specific bits */
870 	return r600_gpu_reset(rdev);
871 }
872 
873 static int rv770_startup(struct radeon_device *rdev)
874 {
875 	int r;
876 
877 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
878 		r = r600_init_microcode(rdev);
879 		if (r) {
880 			DRM_ERROR("Failed to load firmware!\n");
881 			return r;
882 		}
883 	}
884 
885 	rv770_mc_program(rdev);
886 	if (rdev->flags & RADEON_IS_AGP) {
887 		rv770_agp_enable(rdev);
888 	} else {
889 		r = rv770_pcie_gart_enable(rdev);
890 		if (r)
891 			return r;
892 	}
893 	rv770_gpu_init(rdev);
894 
895 	if (!rdev->r600_blit.shader_obj) {
896 		r = r600_blit_init(rdev);
897 		if (r) {
898 			DRM_ERROR("radeon: failed blitter (%d).\n", r);
899 			return r;
900 		}
901 	}
902 
903 	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
904 	if (unlikely(r != 0))
905 		return r;
906 	r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
907 			&rdev->r600_blit.shader_gpu_addr);
908 	radeon_bo_unreserve(rdev->r600_blit.shader_obj);
909 	if (r) {
910 		DRM_ERROR("failed to pin blit object %d\n", r);
911 		return r;
912 	}
913 
914 	/* Enable IRQ */
915 	r = r600_irq_init(rdev);
916 	if (r) {
917 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
918 		radeon_irq_kms_fini(rdev);
919 		return r;
920 	}
921 	r600_irq_set(rdev);
922 
923 	r = radeon_ring_init(rdev, rdev->cp.ring_size);
924 	if (r)
925 		return r;
926 	r = rv770_cp_load_microcode(rdev);
927 	if (r)
928 		return r;
929 	r = r600_cp_resume(rdev);
930 	if (r)
931 		return r;
932 	/* write back buffer are not vital so don't worry about failure */
933 	r600_wb_enable(rdev);
934 	return 0;
935 }
936 
937 int rv770_resume(struct radeon_device *rdev)
938 {
939 	int r;
940 
941 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
942 	 * posting will perform necessary task to bring back GPU into good
943 	 * shape.
944 	 */
945 	/* post card */
946 	atom_asic_init(rdev->mode_info.atom_context);
947 	/* Initialize clocks */
948 	r = radeon_clocks_init(rdev);
949 	if (r) {
950 		return r;
951 	}
952 
953 	r = rv770_startup(rdev);
954 	if (r) {
955 		DRM_ERROR("r600 startup failed on resume\n");
956 		return r;
957 	}
958 
959 	r = r600_ib_test(rdev);
960 	if (r) {
961 		DRM_ERROR("radeon: failled testing IB (%d).\n", r);
962 		return r;
963 	}
964 	return r;
965 
966 }
967 
968 int rv770_suspend(struct radeon_device *rdev)
969 {
970 	int r;
971 
972 	/* FIXME: we should wait for ring to be empty */
973 	r700_cp_stop(rdev);
974 	rdev->cp.ready = false;
975 	r600_wb_disable(rdev);
976 	rv770_pcie_gart_disable(rdev);
977 	/* unpin shaders bo */
978 	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
979 	if (likely(r == 0)) {
980 		radeon_bo_unpin(rdev->r600_blit.shader_obj);
981 		radeon_bo_unreserve(rdev->r600_blit.shader_obj);
982 	}
983 	return 0;
984 }
985 
986 /* Plan is to move initialization in that function and use
987  * helper function so that radeon_device_init pretty much
988  * do nothing more than calling asic specific function. This
989  * should also allow to remove a bunch of callback function
990  * like vram_info.
991  */
992 int rv770_init(struct radeon_device *rdev)
993 {
994 	int r;
995 
996 	r = radeon_dummy_page_init(rdev);
997 	if (r)
998 		return r;
999 	/* This don't do much */
1000 	r = radeon_gem_init(rdev);
1001 	if (r)
1002 		return r;
1003 	/* Read BIOS */
1004 	if (!radeon_get_bios(rdev)) {
1005 		if (ASIC_IS_AVIVO(rdev))
1006 			return -EINVAL;
1007 	}
1008 	/* Must be an ATOMBIOS */
1009 	if (!rdev->is_atom_bios) {
1010 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1011 		return -EINVAL;
1012 	}
1013 	r = radeon_atombios_init(rdev);
1014 	if (r)
1015 		return r;
1016 	/* Post card if necessary */
1017 	if (!r600_card_posted(rdev)) {
1018 		if (!rdev->bios) {
1019 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1020 			return -EINVAL;
1021 		}
1022 		DRM_INFO("GPU not posted. posting now...\n");
1023 		atom_asic_init(rdev->mode_info.atom_context);
1024 	}
1025 	/* Initialize scratch registers */
1026 	r600_scratch_init(rdev);
1027 	/* Initialize surface registers */
1028 	radeon_surface_init(rdev);
1029 	/* Initialize clocks */
1030 	radeon_get_clock_info(rdev->ddev);
1031 	r = radeon_clocks_init(rdev);
1032 	if (r)
1033 		return r;
1034 	/* Initialize power management */
1035 	radeon_pm_init(rdev);
1036 	/* Fence driver */
1037 	r = radeon_fence_driver_init(rdev);
1038 	if (r)
1039 		return r;
1040 	r = rv770_mc_init(rdev);
1041 	if (r)
1042 		return r;
1043 	/* Memory manager */
1044 	r = radeon_bo_init(rdev);
1045 	if (r)
1046 		return r;
1047 
1048 	r = radeon_irq_kms_init(rdev);
1049 	if (r)
1050 		return r;
1051 
1052 	rdev->cp.ring_obj = NULL;
1053 	r600_ring_init(rdev, 1024 * 1024);
1054 
1055 	rdev->ih.ring_obj = NULL;
1056 	r600_ih_ring_init(rdev, 64 * 1024);
1057 
1058 	r = r600_pcie_gart_init(rdev);
1059 	if (r)
1060 		return r;
1061 
1062 	rdev->accel_working = true;
1063 	r = rv770_startup(rdev);
1064 	if (r) {
1065 		rv770_suspend(rdev);
1066 		r600_wb_fini(rdev);
1067 		radeon_ring_fini(rdev);
1068 		rv770_pcie_gart_fini(rdev);
1069 		rdev->accel_working = false;
1070 	}
1071 	if (rdev->accel_working) {
1072 		r = radeon_ib_pool_init(rdev);
1073 		if (r) {
1074 			DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
1075 			rdev->accel_working = false;
1076 		}
1077 		r = r600_ib_test(rdev);
1078 		if (r) {
1079 			DRM_ERROR("radeon: failed testing IB (%d).\n", r);
1080 			rdev->accel_working = false;
1081 		}
1082 	}
1083 	return 0;
1084 }
1085 
1086 void rv770_fini(struct radeon_device *rdev)
1087 {
1088 	rv770_suspend(rdev);
1089 
1090 	r600_blit_fini(rdev);
1091 	r600_irq_fini(rdev);
1092 	radeon_irq_kms_fini(rdev);
1093 	radeon_ring_fini(rdev);
1094 	r600_wb_fini(rdev);
1095 	rv770_pcie_gart_fini(rdev);
1096 	radeon_gem_fini(rdev);
1097 	radeon_fence_driver_fini(rdev);
1098 	radeon_clocks_fini(rdev);
1099 	radeon_agp_fini(rdev);
1100 	radeon_bo_fini(rdev);
1101 	radeon_atombios_fini(rdev);
1102 	kfree(rdev->bios);
1103 	rdev->bios = NULL;
1104 	radeon_dummy_page_fini(rdev);
1105 }
1106