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Adding support for MOXA ART SoC. Testing port of linux-2.6.32.60-moxart.
[linux-3.6.7-moxart.git] / drivers / gpu / drm / radeon / rv770.c
blobca8ffec10ff64737e7fa38b251b997d9fd2d3436
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 static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
45
46 u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
47 {
48 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
49 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
50 int i;
51
52 /* Lock the graphics update lock */
53 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
54 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
55
56 /* update the scanout addresses */
57 if (radeon_crtc->crtc_id) {
58 WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
59 WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
60 } else {
61 WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
62 WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
63 }
64 WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
65 (u32)crtc_base);
66 WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
67 (u32)crtc_base);
68
69 /* Wait for update_pending to go high. */
70 for (i = 0; i < rdev->usec_timeout; i++) {
71 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
72 break;
73 udelay(1);
74 }
75 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
76
77 /* Unlock the lock, so double-buffering can take place inside vblank */
78 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
79 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
80
81 /* Return current update_pending status: */
82 return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
83 }
84
85 /* get temperature in millidegrees */
86 int rv770_get_temp(struct radeon_device *rdev)
87 {
88 u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
89 ASIC_T_SHIFT;
90 int actual_temp;
91
92 if (temp & 0x400)
93 actual_temp = -256;
94 else if (temp & 0x200)
95 actual_temp = 255;
96 else if (temp & 0x100) {
97 actual_temp = temp & 0x1ff;
98 actual_temp |= ~0x1ff;
99 } else
100 actual_temp = temp & 0xff;
101
102 return (actual_temp * 1000) / 2;
103 }
104
105 void rv770_pm_misc(struct radeon_device *rdev)
106 {
107 int req_ps_idx = rdev->pm.requested_power_state_index;
108 int req_cm_idx = rdev->pm.requested_clock_mode_index;
109 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
110 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
111
112 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
113 /* 0xff01 is a flag rather then an actual voltage */
114 if (voltage->voltage == 0xff01)
115 return;
116 if (voltage->voltage != rdev->pm.current_vddc) {
117 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
118 rdev->pm.current_vddc = voltage->voltage;
119 DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
120 }
121 }
122 }
123
124 /*
125 * GART
126 */
127 int rv770_pcie_gart_enable(struct radeon_device *rdev)
128 {
129 u32 tmp;
130 int r, i;
131
132 if (rdev->gart.robj == NULL) {
133 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
134 return -EINVAL;
135 }
136 r = radeon_gart_table_vram_pin(rdev);
137 if (r)
138 return r;
139 radeon_gart_restore(rdev);
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 if (rdev->family == CHIP_RV740)
155 WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
156 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
157 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
158 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
159 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
160 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
161 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
162 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
163 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
164 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
165 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
166 (u32)(rdev->dummy_page.addr >> 12));
167 for (i = 1; i < 7; i++)
168 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
169
170 r600_pcie_gart_tlb_flush(rdev);
171 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
172 (unsigned)(rdev->mc.gtt_size >> 20),
173 (unsigned long long)rdev->gart.table_addr);
174 rdev->gart.ready = true;
175 return 0;
176 }
177
178 void rv770_pcie_gart_disable(struct radeon_device *rdev)
179 {
180 u32 tmp;
181 int i;
182
183 /* Disable all tables */
184 for (i = 0; i < 7; i++)
185 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
186
187 /* Setup L2 cache */
188 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
189 EFFECTIVE_L2_QUEUE_SIZE(7));
190 WREG32(VM_L2_CNTL2, 0);
191 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
192 /* Setup TLB control */
193 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
194 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
195 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
196 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
197 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
198 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
199 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
200 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
201 radeon_gart_table_vram_unpin(rdev);
202 }
203
204 void rv770_pcie_gart_fini(struct radeon_device *rdev)
205 {
206 radeon_gart_fini(rdev);
207 rv770_pcie_gart_disable(rdev);
208 radeon_gart_table_vram_free(rdev);
209 }
210
211
212 void rv770_agp_enable(struct radeon_device *rdev)
213 {
214 u32 tmp;
215 int i;
216
217 /* Setup L2 cache */
218 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
219 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
220 EFFECTIVE_L2_QUEUE_SIZE(7));
221 WREG32(VM_L2_CNTL2, 0);
222 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
223 /* Setup TLB control */
224 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
225 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
226 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
227 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
228 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
229 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
230 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
231 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
232 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
233 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
234 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
235 for (i = 0; i < 7; i++)
236 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
237 }
238
239 static void rv770_mc_program(struct radeon_device *rdev)
240 {
241 struct rv515_mc_save save;
242 u32 tmp;
243 int i, j;
244
245 /* Initialize HDP */
246 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
247 WREG32((0x2c14 + j), 0x00000000);
248 WREG32((0x2c18 + j), 0x00000000);
249 WREG32((0x2c1c + j), 0x00000000);
250 WREG32((0x2c20 + j), 0x00000000);
251 WREG32((0x2c24 + j), 0x00000000);
252 }
253 /* r7xx hw bug. Read from HDP_DEBUG1 rather
254 * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
255 */
256 tmp = RREG32(HDP_DEBUG1);
257
258 rv515_mc_stop(rdev, &save);
259 if (r600_mc_wait_for_idle(rdev)) {
260 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
261 }
262 /* Lockout access through VGA aperture*/
263 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
264 /* Update configuration */
265 if (rdev->flags & RADEON_IS_AGP) {
266 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
267 /* VRAM before AGP */
268 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
269 rdev->mc.vram_start >> 12);
270 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
271 rdev->mc.gtt_end >> 12);
272 } else {
273 /* VRAM after AGP */
274 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
275 rdev->mc.gtt_start >> 12);
276 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
277 rdev->mc.vram_end >> 12);
278 }
279 } else {
280 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
281 rdev->mc.vram_start >> 12);
282 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
283 rdev->mc.vram_end >> 12);
284 }
285 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
286 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
287 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
288 WREG32(MC_VM_FB_LOCATION, tmp);
289 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
290 WREG32(HDP_NONSURFACE_INFO, (2 << 7));
291 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
292 if (rdev->flags & RADEON_IS_AGP) {
293 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
294 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
295 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
296 } else {
297 WREG32(MC_VM_AGP_BASE, 0);
298 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
299 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
300 }
301 if (r600_mc_wait_for_idle(rdev)) {
302 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
303 }
304 rv515_mc_resume(rdev, &save);
305 /* we need to own VRAM, so turn off the VGA renderer here
306 * to stop it overwriting our objects */
307 rv515_vga_render_disable(rdev);
308 }
309
310
311 /*
312 * CP.
313 */
314 void r700_cp_stop(struct radeon_device *rdev)
315 {
316 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
317 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
318 WREG32(SCRATCH_UMSK, 0);
319 }
320
321 static int rv770_cp_load_microcode(struct radeon_device *rdev)
322 {
323 const __be32 *fw_data;
324 int i;
325
326 if (!rdev->me_fw || !rdev->pfp_fw)
327 return -EINVAL;
328
329 r700_cp_stop(rdev);
330 WREG32(CP_RB_CNTL,
331 #ifdef __BIG_ENDIAN
332 BUF_SWAP_32BIT |
333 #endif
334 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
335
336 /* Reset cp */
337 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
338 RREG32(GRBM_SOFT_RESET);
339 mdelay(15);
340 WREG32(GRBM_SOFT_RESET, 0);
341
342 fw_data = (const __be32 *)rdev->pfp_fw->data;
343 WREG32(CP_PFP_UCODE_ADDR, 0);
344 for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
345 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
346 WREG32(CP_PFP_UCODE_ADDR, 0);
347
348 fw_data = (const __be32 *)rdev->me_fw->data;
349 WREG32(CP_ME_RAM_WADDR, 0);
350 for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
351 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
352
353 WREG32(CP_PFP_UCODE_ADDR, 0);
354 WREG32(CP_ME_RAM_WADDR, 0);
355 WREG32(CP_ME_RAM_RADDR, 0);
356 return 0;
357 }
358
359 void r700_cp_fini(struct radeon_device *rdev)
360 {
361 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
362 r700_cp_stop(rdev);
363 radeon_ring_fini(rdev, ring);
364 radeon_scratch_free(rdev, ring->rptr_save_reg);
365 }
366
367 /*
368 * Core functions
369 */
370 static void rv770_gpu_init(struct radeon_device *rdev)
371 {
372 int i, j, num_qd_pipes;
373 u32 ta_aux_cntl;
374 u32 sx_debug_1;
375 u32 smx_dc_ctl0;
376 u32 db_debug3;
377 u32 num_gs_verts_per_thread;
378 u32 vgt_gs_per_es;
379 u32 gs_prim_buffer_depth = 0;
380 u32 sq_ms_fifo_sizes;
381 u32 sq_config;
382 u32 sq_thread_resource_mgmt;
383 u32 hdp_host_path_cntl;
384 u32 sq_dyn_gpr_size_simd_ab_0;
385 u32 gb_tiling_config = 0;
386 u32 cc_rb_backend_disable = 0;
387 u32 cc_gc_shader_pipe_config = 0;
388 u32 mc_arb_ramcfg;
389 u32 db_debug4, tmp;
390 u32 inactive_pipes, shader_pipe_config;
391 u32 disabled_rb_mask;
392 unsigned active_number;
393
394 /* setup chip specs */
395 rdev->config.rv770.tiling_group_size = 256;
396 switch (rdev->family) {
397 case CHIP_RV770:
398 rdev->config.rv770.max_pipes = 4;
399 rdev->config.rv770.max_tile_pipes = 8;
400 rdev->config.rv770.max_simds = 10;
401 rdev->config.rv770.max_backends = 4;
402 rdev->config.rv770.max_gprs = 256;
403 rdev->config.rv770.max_threads = 248;
404 rdev->config.rv770.max_stack_entries = 512;
405 rdev->config.rv770.max_hw_contexts = 8;
406 rdev->config.rv770.max_gs_threads = 16 * 2;
407 rdev->config.rv770.sx_max_export_size = 128;
408 rdev->config.rv770.sx_max_export_pos_size = 16;
409 rdev->config.rv770.sx_max_export_smx_size = 112;
410 rdev->config.rv770.sq_num_cf_insts = 2;
411
412 rdev->config.rv770.sx_num_of_sets = 7;
413 rdev->config.rv770.sc_prim_fifo_size = 0xF9;
414 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
415 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
416 break;
417 case CHIP_RV730:
418 rdev->config.rv770.max_pipes = 2;
419 rdev->config.rv770.max_tile_pipes = 4;
420 rdev->config.rv770.max_simds = 8;
421 rdev->config.rv770.max_backends = 2;
422 rdev->config.rv770.max_gprs = 128;
423 rdev->config.rv770.max_threads = 248;
424 rdev->config.rv770.max_stack_entries = 256;
425 rdev->config.rv770.max_hw_contexts = 8;
426 rdev->config.rv770.max_gs_threads = 16 * 2;
427 rdev->config.rv770.sx_max_export_size = 256;
428 rdev->config.rv770.sx_max_export_pos_size = 32;
429 rdev->config.rv770.sx_max_export_smx_size = 224;
430 rdev->config.rv770.sq_num_cf_insts = 2;
431
432 rdev->config.rv770.sx_num_of_sets = 7;
433 rdev->config.rv770.sc_prim_fifo_size = 0xf9;
434 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
435 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
436 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
437 rdev->config.rv770.sx_max_export_pos_size -= 16;
438 rdev->config.rv770.sx_max_export_smx_size += 16;
439 }
440 break;
441 case CHIP_RV710:
442 rdev->config.rv770.max_pipes = 2;
443 rdev->config.rv770.max_tile_pipes = 2;
444 rdev->config.rv770.max_simds = 2;
445 rdev->config.rv770.max_backends = 1;
446 rdev->config.rv770.max_gprs = 256;
447 rdev->config.rv770.max_threads = 192;
448 rdev->config.rv770.max_stack_entries = 256;
449 rdev->config.rv770.max_hw_contexts = 4;
450 rdev->config.rv770.max_gs_threads = 8 * 2;
451 rdev->config.rv770.sx_max_export_size = 128;
452 rdev->config.rv770.sx_max_export_pos_size = 16;
453 rdev->config.rv770.sx_max_export_smx_size = 112;
454 rdev->config.rv770.sq_num_cf_insts = 1;
455
456 rdev->config.rv770.sx_num_of_sets = 7;
457 rdev->config.rv770.sc_prim_fifo_size = 0x40;
458 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
459 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
460 break;
461 case CHIP_RV740:
462 rdev->config.rv770.max_pipes = 4;
463 rdev->config.rv770.max_tile_pipes = 4;
464 rdev->config.rv770.max_simds = 8;
465 rdev->config.rv770.max_backends = 4;
466 rdev->config.rv770.max_gprs = 256;
467 rdev->config.rv770.max_threads = 248;
468 rdev->config.rv770.max_stack_entries = 512;
469 rdev->config.rv770.max_hw_contexts = 8;
470 rdev->config.rv770.max_gs_threads = 16 * 2;
471 rdev->config.rv770.sx_max_export_size = 256;
472 rdev->config.rv770.sx_max_export_pos_size = 32;
473 rdev->config.rv770.sx_max_export_smx_size = 224;
474 rdev->config.rv770.sq_num_cf_insts = 2;
475
476 rdev->config.rv770.sx_num_of_sets = 7;
477 rdev->config.rv770.sc_prim_fifo_size = 0x100;
478 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
479 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
480
481 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
482 rdev->config.rv770.sx_max_export_pos_size -= 16;
483 rdev->config.rv770.sx_max_export_smx_size += 16;
484 }
485 break;
486 default:
487 break;
488 }
489
490 /* Initialize HDP */
491 j = 0;
492 for (i = 0; i < 32; i++) {
493 WREG32((0x2c14 + j), 0x00000000);
494 WREG32((0x2c18 + j), 0x00000000);
495 WREG32((0x2c1c + j), 0x00000000);
496 WREG32((0x2c20 + j), 0x00000000);
497 WREG32((0x2c24 + j), 0x00000000);
498 j += 0x18;
499 }
500
501 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
502
503 /* setup tiling, simd, pipe config */
504 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
505
506 shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
507 inactive_pipes = (shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
508 for (i = 0, tmp = 1, active_number = 0; i < R7XX_MAX_PIPES; i++) {
509 if (!(inactive_pipes & tmp)) {
510 active_number++;
511 }
512 tmp <<= 1;
513 }
514 if (active_number == 1) {
515 WREG32(SPI_CONFIG_CNTL, DISABLE_INTERP_1);
516 } else {
517 WREG32(SPI_CONFIG_CNTL, 0);
518 }
519
520 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
521 tmp = R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_rb_backend_disable >> 16);
522 if (tmp < rdev->config.rv770.max_backends) {
523 rdev->config.rv770.max_backends = tmp;
524 }
525
526 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
527 tmp = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R7XX_MAX_PIPES_MASK);
528 if (tmp < rdev->config.rv770.max_pipes) {
529 rdev->config.rv770.max_pipes = tmp;
530 }
531 tmp = R7XX_MAX_SIMDS - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
532 if (tmp < rdev->config.rv770.max_simds) {
533 rdev->config.rv770.max_simds = tmp;
534 }
535
536 switch (rdev->config.rv770.max_tile_pipes) {
537 case 1:
538 default:
539 gb_tiling_config = PIPE_TILING(0);
540 break;
541 case 2:
542 gb_tiling_config = PIPE_TILING(1);
543 break;
544 case 4:
545 gb_tiling_config = PIPE_TILING(2);
546 break;
547 case 8:
548 gb_tiling_config = PIPE_TILING(3);
549 break;
550 }
551 rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
552
553 disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK;
554 tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
555 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends,
556 R7XX_MAX_BACKENDS, disabled_rb_mask);
557 gb_tiling_config |= tmp << 16;
558 rdev->config.rv770.backend_map = tmp;
559
560 if (rdev->family == CHIP_RV770)
561 gb_tiling_config |= BANK_TILING(1);
562 else {
563 if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
564 gb_tiling_config |= BANK_TILING(1);
565 else
566 gb_tiling_config |= BANK_TILING(0);
567 }
568 rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
569 gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
570 if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
571 gb_tiling_config |= ROW_TILING(3);
572 gb_tiling_config |= SAMPLE_SPLIT(3);
573 } else {
574 gb_tiling_config |=
575 ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
576 gb_tiling_config |=
577 SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
578 }
579
580 gb_tiling_config |= BANK_SWAPS(1);
581 rdev->config.rv770.tile_config = gb_tiling_config;
582
583 WREG32(GB_TILING_CONFIG, gb_tiling_config);
584 WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
585 WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
586
587 WREG32(CGTS_SYS_TCC_DISABLE, 0);
588 WREG32(CGTS_TCC_DISABLE, 0);
589 WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
590 WREG32(CGTS_USER_TCC_DISABLE, 0);
591
592
593 num_qd_pipes = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
594 WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
595 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
596
597 /* set HW defaults for 3D engine */
598 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
599 ROQ_IB2_START(0x2b)));
600
601 WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
602
603 ta_aux_cntl = RREG32(TA_CNTL_AUX);
604 WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
605
606 sx_debug_1 = RREG32(SX_DEBUG_1);
607 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
608 WREG32(SX_DEBUG_1, sx_debug_1);
609
610 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
611 smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
612 smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
613 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
614
615 if (rdev->family != CHIP_RV740)
616 WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
617 GS_FLUSH_CTL(4) |
618 ACK_FLUSH_CTL(3) |
619 SYNC_FLUSH_CTL));
620
621 if (rdev->family != CHIP_RV770)
622 WREG32(SMX_SAR_CTL0, 0x00003f3f);
623
624 db_debug3 = RREG32(DB_DEBUG3);
625 db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
626 switch (rdev->family) {
627 case CHIP_RV770:
628 case CHIP_RV740:
629 db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
630 break;
631 case CHIP_RV710:
632 case CHIP_RV730:
633 default:
634 db_debug3 |= DB_CLK_OFF_DELAY(2);
635 break;
636 }
637 WREG32(DB_DEBUG3, db_debug3);
638
639 if (rdev->family != CHIP_RV770) {
640 db_debug4 = RREG32(DB_DEBUG4);
641 db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
642 WREG32(DB_DEBUG4, db_debug4);
643 }
644
645 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
646 POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
647 SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
648
649 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
650 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
651 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
652
653 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
654
655 WREG32(VGT_NUM_INSTANCES, 1);
656
657 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
658
659 WREG32(CP_PERFMON_CNTL, 0);
660
661 sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
662 DONE_FIFO_HIWATER(0xe0) |
663 ALU_UPDATE_FIFO_HIWATER(0x8));
664 switch (rdev->family) {
665 case CHIP_RV770:
666 case CHIP_RV730:
667 case CHIP_RV710:
668 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
669 break;
670 case CHIP_RV740:
671 default:
672 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
673 break;
674 }
675 WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
676
677 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
678 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
679 */
680 sq_config = RREG32(SQ_CONFIG);
681 sq_config &= ~(PS_PRIO(3) |
682 VS_PRIO(3) |
683 GS_PRIO(3) |
684 ES_PRIO(3));
685 sq_config |= (DX9_CONSTS |
686 VC_ENABLE |
687 EXPORT_SRC_C |
688 PS_PRIO(0) |
689 VS_PRIO(1) |
690 GS_PRIO(2) |
691 ES_PRIO(3));
692 if (rdev->family == CHIP_RV710)
693 /* no vertex cache */
694 sq_config &= ~VC_ENABLE;
695
696 WREG32(SQ_CONFIG, sq_config);
697
698 WREG32(SQ_GPR_RESOURCE_MGMT_1, (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
699 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
700 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
701
702 WREG32(SQ_GPR_RESOURCE_MGMT_2, (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
703 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
704
705 sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
706 NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
707 NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
708 if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
709 sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
710 else
711 sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
712 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
713
714 WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
715 NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
716
717 WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
718 NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
719
720 sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
721 SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
722 SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
723 SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
724
725 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
726 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
727 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
728 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
729 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
730 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
731 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
732 WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
733
734 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
735 FORCE_EOV_MAX_REZ_CNT(255)));
736
737 if (rdev->family == CHIP_RV710)
738 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
739 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
740 else
741 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
742 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
743
744 switch (rdev->family) {
745 case CHIP_RV770:
746 case CHIP_RV730:
747 case CHIP_RV740:
748 gs_prim_buffer_depth = 384;
749 break;
750 case CHIP_RV710:
751 gs_prim_buffer_depth = 128;
752 break;
753 default:
754 break;
755 }
756
757 num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
758 vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
759 /* Max value for this is 256 */
760 if (vgt_gs_per_es > 256)
761 vgt_gs_per_es = 256;
762
763 WREG32(VGT_ES_PER_GS, 128);
764 WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
765 WREG32(VGT_GS_PER_VS, 2);
766
767 /* more default values. 2D/3D driver should adjust as needed */
768 WREG32(VGT_GS_VERTEX_REUSE, 16);
769 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
770 WREG32(VGT_STRMOUT_EN, 0);
771 WREG32(SX_MISC, 0);
772 WREG32(PA_SC_MODE_CNTL, 0);
773 WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
774 WREG32(PA_SC_AA_CONFIG, 0);
775 WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
776 WREG32(PA_SC_LINE_STIPPLE, 0);
777 WREG32(SPI_INPUT_Z, 0);
778 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
779 WREG32(CB_COLOR7_FRAG, 0);
780
781 /* clear render buffer base addresses */
782 WREG32(CB_COLOR0_BASE, 0);
783 WREG32(CB_COLOR1_BASE, 0);
784 WREG32(CB_COLOR2_BASE, 0);
785 WREG32(CB_COLOR3_BASE, 0);
786 WREG32(CB_COLOR4_BASE, 0);
787 WREG32(CB_COLOR5_BASE, 0);
788 WREG32(CB_COLOR6_BASE, 0);
789 WREG32(CB_COLOR7_BASE, 0);
790
791 WREG32(TCP_CNTL, 0);
792
793 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
794 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
795
796 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
797
798 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
799 NUM_CLIP_SEQ(3)));
800 WREG32(VC_ENHANCE, 0);
801 }
802
803 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
804 {
805 u64 size_bf, size_af;
806
807 if (mc->mc_vram_size > 0xE0000000) {
808 /* leave room for at least 512M GTT */
809 dev_warn(rdev->dev, "limiting VRAM\n");
810 mc->real_vram_size = 0xE0000000;
811 mc->mc_vram_size = 0xE0000000;
812 }
813 if (rdev->flags & RADEON_IS_AGP) {
814 size_bf = mc->gtt_start;
815 size_af = 0xFFFFFFFF - mc->gtt_end;
816 if (size_bf > size_af) {
817 if (mc->mc_vram_size > size_bf) {
818 dev_warn(rdev->dev, "limiting VRAM\n");
819 mc->real_vram_size = size_bf;
820 mc->mc_vram_size = size_bf;
821 }
822 mc->vram_start = mc->gtt_start - mc->mc_vram_size;
823 } else {
824 if (mc->mc_vram_size > size_af) {
825 dev_warn(rdev->dev, "limiting VRAM\n");
826 mc->real_vram_size = size_af;
827 mc->mc_vram_size = size_af;
828 }
829 mc->vram_start = mc->gtt_end + 1;
830 }
831 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
832 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
833 mc->mc_vram_size >> 20, mc->vram_start,
834 mc->vram_end, mc->real_vram_size >> 20);
835 } else {
836 radeon_vram_location(rdev, &rdev->mc, 0);
837 rdev->mc.gtt_base_align = 0;
838 radeon_gtt_location(rdev, mc);
839 }
840 }
841
842 int rv770_mc_init(struct radeon_device *rdev)
843 {
844 u32 tmp;
845 int chansize, numchan;
846
847 /* Get VRAM informations */
848 rdev->mc.vram_is_ddr = true;
849 tmp = RREG32(MC_ARB_RAMCFG);
850 if (tmp & CHANSIZE_OVERRIDE) {
851 chansize = 16;
852 } else if (tmp & CHANSIZE_MASK) {
853 chansize = 64;
854 } else {
855 chansize = 32;
856 }
857 tmp = RREG32(MC_SHARED_CHMAP);
858 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
859 case 0:
860 default:
861 numchan = 1;
862 break;
863 case 1:
864 numchan = 2;
865 break;
866 case 2:
867 numchan = 4;
868 break;
869 case 3:
870 numchan = 8;
871 break;
872 }
873 rdev->mc.vram_width = numchan * chansize;
874 /* Could aper size report 0 ? */
875 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
876 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
877 /* Setup GPU memory space */
878 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
879 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
880 rdev->mc.visible_vram_size = rdev->mc.aper_size;
881 r700_vram_gtt_location(rdev, &rdev->mc);
882 radeon_update_bandwidth_info(rdev);
883
884 return 0;
885 }
886
887 static int rv770_startup(struct radeon_device *rdev)
888 {
889 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
890 int r;
891
892 /* enable pcie gen2 link */
893 rv770_pcie_gen2_enable(rdev);
894
895 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
896 r = r600_init_microcode(rdev);
897 if (r) {
898 DRM_ERROR("Failed to load firmware!\n");
899 return r;
900 }
901 }
902
903 r = r600_vram_scratch_init(rdev);
904 if (r)
905 return r;
906
907 rv770_mc_program(rdev);
908 if (rdev->flags & RADEON_IS_AGP) {
909 rv770_agp_enable(rdev);
910 } else {
911 r = rv770_pcie_gart_enable(rdev);
912 if (r)
913 return r;
914 }
915
916 rv770_gpu_init(rdev);
917 r = r600_blit_init(rdev);
918 if (r) {
919 r600_blit_fini(rdev);
920 rdev->asic->copy.copy = NULL;
921 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
922 }
923
924 /* allocate wb buffer */
925 r = radeon_wb_init(rdev);
926 if (r)
927 return r;
928
929 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
930 if (r) {
931 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
932 return r;
933 }
934
935 /* Enable IRQ */
936 r = r600_irq_init(rdev);
937 if (r) {
938 DRM_ERROR("radeon: IH init failed (%d).\n", r);
939 radeon_irq_kms_fini(rdev);
940 return r;
941 }
942 r600_irq_set(rdev);
943
944 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
945 R600_CP_RB_RPTR, R600_CP_RB_WPTR,
946 0, 0xfffff, RADEON_CP_PACKET2);
947 if (r)
948 return r;
949 r = rv770_cp_load_microcode(rdev);
950 if (r)
951 return r;
952 r = r600_cp_resume(rdev);
953 if (r)
954 return r;
955
956 r = radeon_ib_pool_init(rdev);
957 if (r) {
958 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
959 return r;
960 }
961
962 r = r600_audio_init(rdev);
963 if (r) {
964 DRM_ERROR("radeon: audio init failed\n");
965 return r;
966 }
967
968 return 0;
969 }
970
971 int rv770_resume(struct radeon_device *rdev)
972 {
973 int r;
974
975 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
976 * posting will perform necessary task to bring back GPU into good
977 * shape.
978 */
979 /* post card */
980 atom_asic_init(rdev->mode_info.atom_context);
981
982 rdev->accel_working = true;
983 r = rv770_startup(rdev);
984 if (r) {
985 DRM_ERROR("r600 startup failed on resume\n");
986 rdev->accel_working = false;
987 return r;
988 }
989
990 return r;
991
992 }
993
994 int rv770_suspend(struct radeon_device *rdev)
995 {
996 r600_audio_fini(rdev);
997 r700_cp_stop(rdev);
998 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
999 r600_irq_suspend(rdev);
1000 radeon_wb_disable(rdev);
1001 rv770_pcie_gart_disable(rdev);
1002
1003 return 0;
1004 }
1005
1006 /* Plan is to move initialization in that function and use
1007 * helper function so that radeon_device_init pretty much
1008 * do nothing more than calling asic specific function. This
1009 * should also allow to remove a bunch of callback function
1010 * like vram_info.
1011 */
1012 int rv770_init(struct radeon_device *rdev)
1013 {
1014 int r;
1015
1016 /* Read BIOS */
1017 if (!radeon_get_bios(rdev)) {
1018 if (ASIC_IS_AVIVO(rdev))
1019 return -EINVAL;
1020 }
1021 /* Must be an ATOMBIOS */
1022 if (!rdev->is_atom_bios) {
1023 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1024 return -EINVAL;
1025 }
1026 r = radeon_atombios_init(rdev);
1027 if (r)
1028 return r;
1029 /* Post card if necessary */
1030 if (!radeon_card_posted(rdev)) {
1031 if (!rdev->bios) {
1032 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1033 return -EINVAL;
1034 }
1035 DRM_INFO("GPU not posted. posting now...\n");
1036 atom_asic_init(rdev->mode_info.atom_context);
1037 }
1038 /* Initialize scratch registers */
1039 r600_scratch_init(rdev);
1040 /* Initialize surface registers */
1041 radeon_surface_init(rdev);
1042 /* Initialize clocks */
1043 radeon_get_clock_info(rdev->ddev);
1044 /* Fence driver */
1045 r = radeon_fence_driver_init(rdev);
1046 if (r)
1047 return r;
1048 /* initialize AGP */
1049 if (rdev->flags & RADEON_IS_AGP) {
1050 r = radeon_agp_init(rdev);
1051 if (r)
1052 radeon_agp_disable(rdev);
1053 }
1054 r = rv770_mc_init(rdev);
1055 if (r)
1056 return r;
1057 /* Memory manager */
1058 r = radeon_bo_init(rdev);
1059 if (r)
1060 return r;
1061
1062 r = radeon_irq_kms_init(rdev);
1063 if (r)
1064 return r;
1065
1066 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
1067 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1068
1069 rdev->ih.ring_obj = NULL;
1070 r600_ih_ring_init(rdev, 64 * 1024);
1071
1072 r = r600_pcie_gart_init(rdev);
1073 if (r)
1074 return r;
1075
1076 rdev->accel_working = true;
1077 r = rv770_startup(rdev);
1078 if (r) {
1079 dev_err(rdev->dev, "disabling GPU acceleration\n");
1080 r700_cp_fini(rdev);
1081 r600_irq_fini(rdev);
1082 radeon_wb_fini(rdev);
1083 radeon_ib_pool_fini(rdev);
1084 radeon_irq_kms_fini(rdev);
1085 rv770_pcie_gart_fini(rdev);
1086 rdev->accel_working = false;
1087 }
1088
1089 return 0;
1090 }
1091
1092 void rv770_fini(struct radeon_device *rdev)
1093 {
1094 r600_blit_fini(rdev);
1095 r700_cp_fini(rdev);
1096 r600_irq_fini(rdev);
1097 radeon_wb_fini(rdev);
1098 radeon_ib_pool_fini(rdev);
1099 radeon_irq_kms_fini(rdev);
1100 rv770_pcie_gart_fini(rdev);
1101 r600_vram_scratch_fini(rdev);
1102 radeon_gem_fini(rdev);
1103 radeon_fence_driver_fini(rdev);
1104 radeon_agp_fini(rdev);
1105 radeon_bo_fini(rdev);
1106 radeon_atombios_fini(rdev);
1107 kfree(rdev->bios);
1108 rdev->bios = NULL;
1109 }
1110
1111 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
1112 {
1113 u32 link_width_cntl, lanes, speed_cntl, tmp;
1114 u16 link_cntl2;
1115 u32 mask;
1116 int ret;
1117
1118 if (radeon_pcie_gen2 == 0)
1119 return;
1120
1121 if (rdev->flags & RADEON_IS_IGP)
1122 return;
1123
1124 if (!(rdev->flags & RADEON_IS_PCIE))
1125 return;
1126
1127 /* x2 cards have a special sequence */
1128 if (ASIC_IS_X2(rdev))
1129 return;
1130
1131 ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
1132 if (ret != 0)
1133 return;
1134
1135 if (!(mask & DRM_PCIE_SPEED_50))
1136 return;
1137
1138 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
1139
1140 /* advertise upconfig capability */
1141 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1142 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1143 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1144 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1145 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
1146 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
1147 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
1148 LC_RECONFIG_ARC_MISSING_ESCAPE);
1149 link_width_cntl |= lanes | LC_RECONFIG_NOW |
1150 LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
1151 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1152 } else {
1153 link_width_cntl |= LC_UPCONFIGURE_DIS;
1154 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1155 }
1156
1157 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1158 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
1159 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1160
1161 tmp = RREG32(0x541c);
1162 WREG32(0x541c, tmp | 0x8);
1163 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
1164 link_cntl2 = RREG16(0x4088);
1165 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
1166 link_cntl2 |= 0x2;
1167 WREG16(0x4088, link_cntl2);
1168 WREG32(MM_CFGREGS_CNTL, 0);
1169
1170 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1171 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
1172 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1173
1174 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1175 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
1176 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1177
1178 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1179 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
1180 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1181
1182 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1183 speed_cntl |= LC_GEN2_EN_STRAP;
1184 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1185
1186 } else {
1187 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1188 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
1189 if (1)
1190 link_width_cntl |= LC_UPCONFIGURE_DIS;
1191 else
1192 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1193 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1194 }
1195 }
Linux ARM platform port for MOXA ART SoC