Merge branch 'gpio/merge' of git://git.secretlab.ca/git/linux-2.6
[pandora-kernel.git] / drivers / gpu / drm / radeon / rv770.c
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
51         /* Lock the graphics update lock */
52         tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
53         WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
54
55         /* update the scanout addresses */
56         if (radeon_crtc->crtc_id) {
57                 WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
58                 WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
59         } else {
60                 WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
61                 WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
62         }
63         WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
64                (u32)crtc_base);
65         WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
66                (u32)crtc_base);
67
68         /* Wait for update_pending to go high. */
69         while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
70         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
71
72         /* Unlock the lock, so double-buffering can take place inside vblank */
73         tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
74         WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
75
76         /* Return current update_pending status: */
77         return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
78 }
79
80 /* get temperature in millidegrees */
81 int rv770_get_temp(struct radeon_device *rdev)
82 {
83         u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
84                 ASIC_T_SHIFT;
85         int actual_temp;
86
87         if (temp & 0x400)
88                 actual_temp = -256;
89         else if (temp & 0x200)
90                 actual_temp = 255;
91         else if (temp & 0x100) {
92                 actual_temp = temp & 0x1ff;
93                 actual_temp |= ~0x1ff;
94         } else
95                 actual_temp = temp & 0xff;
96
97         return (actual_temp * 1000) / 2;
98 }
99
100 void rv770_pm_misc(struct radeon_device *rdev)
101 {
102         int req_ps_idx = rdev->pm.requested_power_state_index;
103         int req_cm_idx = rdev->pm.requested_clock_mode_index;
104         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
105         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
106
107         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
108                 /* 0xff01 is a flag rather then an actual voltage */
109                 if (voltage->voltage == 0xff01)
110                         return;
111                 if (voltage->voltage != rdev->pm.current_vddc) {
112                         radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
113                         rdev->pm.current_vddc = voltage->voltage;
114                         DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
115                 }
116         }
117 }
118
119 /*
120  * GART
121  */
122 int rv770_pcie_gart_enable(struct radeon_device *rdev)
123 {
124         u32 tmp;
125         int r, i;
126
127         if (rdev->gart.table.vram.robj == NULL) {
128                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
129                 return -EINVAL;
130         }
131         r = radeon_gart_table_vram_pin(rdev);
132         if (r)
133                 return r;
134         radeon_gart_restore(rdev);
135         /* Setup L2 cache */
136         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
137                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
138                                 EFFECTIVE_L2_QUEUE_SIZE(7));
139         WREG32(VM_L2_CNTL2, 0);
140         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
141         /* Setup TLB control */
142         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
143                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
144                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
145                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
146         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
147         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
148         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
149         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
150         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
151         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
152         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
153         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
154         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
155         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
156         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
157                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
158         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
159                         (u32)(rdev->dummy_page.addr >> 12));
160         for (i = 1; i < 7; i++)
161                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
162
163         r600_pcie_gart_tlb_flush(rdev);
164         rdev->gart.ready = true;
165         return 0;
166 }
167
168 void rv770_pcie_gart_disable(struct radeon_device *rdev)
169 {
170         u32 tmp;
171         int i, r;
172
173         /* Disable all tables */
174         for (i = 0; i < 7; i++)
175                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
176
177         /* Setup L2 cache */
178         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
179                                 EFFECTIVE_L2_QUEUE_SIZE(7));
180         WREG32(VM_L2_CNTL2, 0);
181         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
182         /* Setup TLB control */
183         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
184         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
185         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
186         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
187         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
188         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
189         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
190         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
191         if (rdev->gart.table.vram.robj) {
192                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
193                 if (likely(r == 0)) {
194                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
195                         radeon_bo_unpin(rdev->gart.table.vram.robj);
196                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
197                 }
198         }
199 }
200
201 void rv770_pcie_gart_fini(struct radeon_device *rdev)
202 {
203         radeon_gart_fini(rdev);
204         rv770_pcie_gart_disable(rdev);
205         radeon_gart_table_vram_free(rdev);
206 }
207
208
209 void rv770_agp_enable(struct radeon_device *rdev)
210 {
211         u32 tmp;
212         int i;
213
214         /* Setup L2 cache */
215         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
216                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
217                                 EFFECTIVE_L2_QUEUE_SIZE(7));
218         WREG32(VM_L2_CNTL2, 0);
219         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
220         /* Setup TLB control */
221         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
222                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
223                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
224                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
225         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
226         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
227         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
228         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
229         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
230         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
231         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
232         for (i = 0; i < 7; i++)
233                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
234 }
235
236 static void rv770_mc_program(struct radeon_device *rdev)
237 {
238         struct rv515_mc_save save;
239         u32 tmp;
240         int i, j;
241
242         /* Initialize HDP */
243         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
244                 WREG32((0x2c14 + j), 0x00000000);
245                 WREG32((0x2c18 + j), 0x00000000);
246                 WREG32((0x2c1c + j), 0x00000000);
247                 WREG32((0x2c20 + j), 0x00000000);
248                 WREG32((0x2c24 + j), 0x00000000);
249         }
250         /* r7xx hw bug.  Read from HDP_DEBUG1 rather
251          * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
252          */
253         tmp = RREG32(HDP_DEBUG1);
254
255         rv515_mc_stop(rdev, &save);
256         if (r600_mc_wait_for_idle(rdev)) {
257                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
258         }
259         /* Lockout access through VGA aperture*/
260         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
261         /* Update configuration */
262         if (rdev->flags & RADEON_IS_AGP) {
263                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
264                         /* VRAM before AGP */
265                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
266                                 rdev->mc.vram_start >> 12);
267                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
268                                 rdev->mc.gtt_end >> 12);
269                 } else {
270                         /* VRAM after AGP */
271                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
272                                 rdev->mc.gtt_start >> 12);
273                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
274                                 rdev->mc.vram_end >> 12);
275                 }
276         } else {
277                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
278                         rdev->mc.vram_start >> 12);
279                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
280                         rdev->mc.vram_end >> 12);
281         }
282         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
283         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
284         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
285         WREG32(MC_VM_FB_LOCATION, tmp);
286         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
287         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
288         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
289         if (rdev->flags & RADEON_IS_AGP) {
290                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
291                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
292                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
293         } else {
294                 WREG32(MC_VM_AGP_BASE, 0);
295                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
296                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
297         }
298         if (r600_mc_wait_for_idle(rdev)) {
299                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
300         }
301         rv515_mc_resume(rdev, &save);
302         /* we need to own VRAM, so turn off the VGA renderer here
303          * to stop it overwriting our objects */
304         rv515_vga_render_disable(rdev);
305 }
306
307
308 /*
309  * CP.
310  */
311 void r700_cp_stop(struct radeon_device *rdev)
312 {
313         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
314         WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
315         WREG32(SCRATCH_UMSK, 0);
316 }
317
318 static int rv770_cp_load_microcode(struct radeon_device *rdev)
319 {
320         const __be32 *fw_data;
321         int i;
322
323         if (!rdev->me_fw || !rdev->pfp_fw)
324                 return -EINVAL;
325
326         r700_cp_stop(rdev);
327         WREG32(CP_RB_CNTL,
328 #ifdef __BIG_ENDIAN
329                BUF_SWAP_32BIT |
330 #endif
331                RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
332
333         /* Reset cp */
334         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
335         RREG32(GRBM_SOFT_RESET);
336         mdelay(15);
337         WREG32(GRBM_SOFT_RESET, 0);
338
339         fw_data = (const __be32 *)rdev->pfp_fw->data;
340         WREG32(CP_PFP_UCODE_ADDR, 0);
341         for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
342                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
343         WREG32(CP_PFP_UCODE_ADDR, 0);
344
345         fw_data = (const __be32 *)rdev->me_fw->data;
346         WREG32(CP_ME_RAM_WADDR, 0);
347         for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
348                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
349
350         WREG32(CP_PFP_UCODE_ADDR, 0);
351         WREG32(CP_ME_RAM_WADDR, 0);
352         WREG32(CP_ME_RAM_RADDR, 0);
353         return 0;
354 }
355
356 void r700_cp_fini(struct radeon_device *rdev)
357 {
358         r700_cp_stop(rdev);
359         radeon_ring_fini(rdev);
360 }
361
362 /*
363  * Core functions
364  */
365 static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
366                                              u32 num_tile_pipes,
367                                              u32 num_backends,
368                                              u32 backend_disable_mask)
369 {
370         u32 backend_map = 0;
371         u32 enabled_backends_mask;
372         u32 enabled_backends_count;
373         u32 cur_pipe;
374         u32 swizzle_pipe[R7XX_MAX_PIPES];
375         u32 cur_backend;
376         u32 i;
377         bool force_no_swizzle;
378
379         if (num_tile_pipes > R7XX_MAX_PIPES)
380                 num_tile_pipes = R7XX_MAX_PIPES;
381         if (num_tile_pipes < 1)
382                 num_tile_pipes = 1;
383         if (num_backends > R7XX_MAX_BACKENDS)
384                 num_backends = R7XX_MAX_BACKENDS;
385         if (num_backends < 1)
386                 num_backends = 1;
387
388         enabled_backends_mask = 0;
389         enabled_backends_count = 0;
390         for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
391                 if (((backend_disable_mask >> i) & 1) == 0) {
392                         enabled_backends_mask |= (1 << i);
393                         ++enabled_backends_count;
394                 }
395                 if (enabled_backends_count == num_backends)
396                         break;
397         }
398
399         if (enabled_backends_count == 0) {
400                 enabled_backends_mask = 1;
401                 enabled_backends_count = 1;
402         }
403
404         if (enabled_backends_count != num_backends)
405                 num_backends = enabled_backends_count;
406
407         switch (rdev->family) {
408         case CHIP_RV770:
409         case CHIP_RV730:
410                 force_no_swizzle = false;
411                 break;
412         case CHIP_RV710:
413         case CHIP_RV740:
414         default:
415                 force_no_swizzle = true;
416                 break;
417         }
418
419         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
420         switch (num_tile_pipes) {
421         case 1:
422                 swizzle_pipe[0] = 0;
423                 break;
424         case 2:
425                 swizzle_pipe[0] = 0;
426                 swizzle_pipe[1] = 1;
427                 break;
428         case 3:
429                 if (force_no_swizzle) {
430                         swizzle_pipe[0] = 0;
431                         swizzle_pipe[1] = 1;
432                         swizzle_pipe[2] = 2;
433                 } else {
434                         swizzle_pipe[0] = 0;
435                         swizzle_pipe[1] = 2;
436                         swizzle_pipe[2] = 1;
437                 }
438                 break;
439         case 4:
440                 if (force_no_swizzle) {
441                         swizzle_pipe[0] = 0;
442                         swizzle_pipe[1] = 1;
443                         swizzle_pipe[2] = 2;
444                         swizzle_pipe[3] = 3;
445                 } else {
446                         swizzle_pipe[0] = 0;
447                         swizzle_pipe[1] = 2;
448                         swizzle_pipe[2] = 3;
449                         swizzle_pipe[3] = 1;
450                 }
451                 break;
452         case 5:
453                 if (force_no_swizzle) {
454                         swizzle_pipe[0] = 0;
455                         swizzle_pipe[1] = 1;
456                         swizzle_pipe[2] = 2;
457                         swizzle_pipe[3] = 3;
458                         swizzle_pipe[4] = 4;
459                 } else {
460                         swizzle_pipe[0] = 0;
461                         swizzle_pipe[1] = 2;
462                         swizzle_pipe[2] = 4;
463                         swizzle_pipe[3] = 1;
464                         swizzle_pipe[4] = 3;
465                 }
466                 break;
467         case 6:
468                 if (force_no_swizzle) {
469                         swizzle_pipe[0] = 0;
470                         swizzle_pipe[1] = 1;
471                         swizzle_pipe[2] = 2;
472                         swizzle_pipe[3] = 3;
473                         swizzle_pipe[4] = 4;
474                         swizzle_pipe[5] = 5;
475                 } else {
476                         swizzle_pipe[0] = 0;
477                         swizzle_pipe[1] = 2;
478                         swizzle_pipe[2] = 4;
479                         swizzle_pipe[3] = 5;
480                         swizzle_pipe[4] = 3;
481                         swizzle_pipe[5] = 1;
482                 }
483                 break;
484         case 7:
485                 if (force_no_swizzle) {
486                         swizzle_pipe[0] = 0;
487                         swizzle_pipe[1] = 1;
488                         swizzle_pipe[2] = 2;
489                         swizzle_pipe[3] = 3;
490                         swizzle_pipe[4] = 4;
491                         swizzle_pipe[5] = 5;
492                         swizzle_pipe[6] = 6;
493                 } else {
494                         swizzle_pipe[0] = 0;
495                         swizzle_pipe[1] = 2;
496                         swizzle_pipe[2] = 4;
497                         swizzle_pipe[3] = 6;
498                         swizzle_pipe[4] = 3;
499                         swizzle_pipe[5] = 1;
500                         swizzle_pipe[6] = 5;
501                 }
502                 break;
503         case 8:
504                 if (force_no_swizzle) {
505                         swizzle_pipe[0] = 0;
506                         swizzle_pipe[1] = 1;
507                         swizzle_pipe[2] = 2;
508                         swizzle_pipe[3] = 3;
509                         swizzle_pipe[4] = 4;
510                         swizzle_pipe[5] = 5;
511                         swizzle_pipe[6] = 6;
512                         swizzle_pipe[7] = 7;
513                 } else {
514                         swizzle_pipe[0] = 0;
515                         swizzle_pipe[1] = 2;
516                         swizzle_pipe[2] = 4;
517                         swizzle_pipe[3] = 6;
518                         swizzle_pipe[4] = 3;
519                         swizzle_pipe[5] = 1;
520                         swizzle_pipe[6] = 7;
521                         swizzle_pipe[7] = 5;
522                 }
523                 break;
524         }
525
526         cur_backend = 0;
527         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
528                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
529                         cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
530
531                 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
532
533                 cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
534         }
535
536         return backend_map;
537 }
538
539 static void rv770_program_channel_remap(struct radeon_device *rdev)
540 {
541         u32 tcp_chan_steer, mc_shared_chremap, tmp;
542         bool force_no_swizzle;
543
544         switch (rdev->family) {
545         case CHIP_RV770:
546         case CHIP_RV730:
547                 force_no_swizzle = false;
548                 break;
549         case CHIP_RV710:
550         case CHIP_RV740:
551         default:
552                 force_no_swizzle = true;
553                 break;
554         }
555
556         tmp = RREG32(MC_SHARED_CHMAP);
557         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
558         case 0:
559         case 1:
560         default:
561                 /* default mapping */
562                 mc_shared_chremap = 0x00fac688;
563                 break;
564         case 2:
565         case 3:
566                 if (force_no_swizzle)
567                         mc_shared_chremap = 0x00fac688;
568                 else
569                         mc_shared_chremap = 0x00bbc298;
570                 break;
571         }
572
573         if (rdev->family == CHIP_RV740)
574                 tcp_chan_steer = 0x00ef2a60;
575         else
576                 tcp_chan_steer = 0x00fac688;
577
578         /* RV770 CE has special chremap setup */
579         if (rdev->pdev->device == 0x944e) {
580                 tcp_chan_steer = 0x00b08b08;
581                 mc_shared_chremap = 0x00b08b08;
582         }
583
584         WREG32(TCP_CHAN_STEER, tcp_chan_steer);
585         WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
586 }
587
588 static void rv770_gpu_init(struct radeon_device *rdev)
589 {
590         int i, j, num_qd_pipes;
591         u32 ta_aux_cntl;
592         u32 sx_debug_1;
593         u32 smx_dc_ctl0;
594         u32 db_debug3;
595         u32 num_gs_verts_per_thread;
596         u32 vgt_gs_per_es;
597         u32 gs_prim_buffer_depth = 0;
598         u32 sq_ms_fifo_sizes;
599         u32 sq_config;
600         u32 sq_thread_resource_mgmt;
601         u32 hdp_host_path_cntl;
602         u32 sq_dyn_gpr_size_simd_ab_0;
603         u32 backend_map;
604         u32 gb_tiling_config = 0;
605         u32 cc_rb_backend_disable = 0;
606         u32 cc_gc_shader_pipe_config = 0;
607         u32 mc_arb_ramcfg;
608         u32 db_debug4;
609
610         /* setup chip specs */
611         switch (rdev->family) {
612         case CHIP_RV770:
613                 rdev->config.rv770.max_pipes = 4;
614                 rdev->config.rv770.max_tile_pipes = 8;
615                 rdev->config.rv770.max_simds = 10;
616                 rdev->config.rv770.max_backends = 4;
617                 rdev->config.rv770.max_gprs = 256;
618                 rdev->config.rv770.max_threads = 248;
619                 rdev->config.rv770.max_stack_entries = 512;
620                 rdev->config.rv770.max_hw_contexts = 8;
621                 rdev->config.rv770.max_gs_threads = 16 * 2;
622                 rdev->config.rv770.sx_max_export_size = 128;
623                 rdev->config.rv770.sx_max_export_pos_size = 16;
624                 rdev->config.rv770.sx_max_export_smx_size = 112;
625                 rdev->config.rv770.sq_num_cf_insts = 2;
626
627                 rdev->config.rv770.sx_num_of_sets = 7;
628                 rdev->config.rv770.sc_prim_fifo_size = 0xF9;
629                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
630                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
631                 break;
632         case CHIP_RV730:
633                 rdev->config.rv770.max_pipes = 2;
634                 rdev->config.rv770.max_tile_pipes = 4;
635                 rdev->config.rv770.max_simds = 8;
636                 rdev->config.rv770.max_backends = 2;
637                 rdev->config.rv770.max_gprs = 128;
638                 rdev->config.rv770.max_threads = 248;
639                 rdev->config.rv770.max_stack_entries = 256;
640                 rdev->config.rv770.max_hw_contexts = 8;
641                 rdev->config.rv770.max_gs_threads = 16 * 2;
642                 rdev->config.rv770.sx_max_export_size = 256;
643                 rdev->config.rv770.sx_max_export_pos_size = 32;
644                 rdev->config.rv770.sx_max_export_smx_size = 224;
645                 rdev->config.rv770.sq_num_cf_insts = 2;
646
647                 rdev->config.rv770.sx_num_of_sets = 7;
648                 rdev->config.rv770.sc_prim_fifo_size = 0xf9;
649                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
650                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
651                 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
652                         rdev->config.rv770.sx_max_export_pos_size -= 16;
653                         rdev->config.rv770.sx_max_export_smx_size += 16;
654                 }
655                 break;
656         case CHIP_RV710:
657                 rdev->config.rv770.max_pipes = 2;
658                 rdev->config.rv770.max_tile_pipes = 2;
659                 rdev->config.rv770.max_simds = 2;
660                 rdev->config.rv770.max_backends = 1;
661                 rdev->config.rv770.max_gprs = 256;
662                 rdev->config.rv770.max_threads = 192;
663                 rdev->config.rv770.max_stack_entries = 256;
664                 rdev->config.rv770.max_hw_contexts = 4;
665                 rdev->config.rv770.max_gs_threads = 8 * 2;
666                 rdev->config.rv770.sx_max_export_size = 128;
667                 rdev->config.rv770.sx_max_export_pos_size = 16;
668                 rdev->config.rv770.sx_max_export_smx_size = 112;
669                 rdev->config.rv770.sq_num_cf_insts = 1;
670
671                 rdev->config.rv770.sx_num_of_sets = 7;
672                 rdev->config.rv770.sc_prim_fifo_size = 0x40;
673                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
674                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
675                 break;
676         case CHIP_RV740:
677                 rdev->config.rv770.max_pipes = 4;
678                 rdev->config.rv770.max_tile_pipes = 4;
679                 rdev->config.rv770.max_simds = 8;
680                 rdev->config.rv770.max_backends = 4;
681                 rdev->config.rv770.max_gprs = 256;
682                 rdev->config.rv770.max_threads = 248;
683                 rdev->config.rv770.max_stack_entries = 512;
684                 rdev->config.rv770.max_hw_contexts = 8;
685                 rdev->config.rv770.max_gs_threads = 16 * 2;
686                 rdev->config.rv770.sx_max_export_size = 256;
687                 rdev->config.rv770.sx_max_export_pos_size = 32;
688                 rdev->config.rv770.sx_max_export_smx_size = 224;
689                 rdev->config.rv770.sq_num_cf_insts = 2;
690
691                 rdev->config.rv770.sx_num_of_sets = 7;
692                 rdev->config.rv770.sc_prim_fifo_size = 0x100;
693                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
694                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
695
696                 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
697                         rdev->config.rv770.sx_max_export_pos_size -= 16;
698                         rdev->config.rv770.sx_max_export_smx_size += 16;
699                 }
700                 break;
701         default:
702                 break;
703         }
704
705         /* Initialize HDP */
706         j = 0;
707         for (i = 0; i < 32; i++) {
708                 WREG32((0x2c14 + j), 0x00000000);
709                 WREG32((0x2c18 + j), 0x00000000);
710                 WREG32((0x2c1c + j), 0x00000000);
711                 WREG32((0x2c20 + j), 0x00000000);
712                 WREG32((0x2c24 + j), 0x00000000);
713                 j += 0x18;
714         }
715
716         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
717
718         /* setup tiling, simd, pipe config */
719         mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
720
721         switch (rdev->config.rv770.max_tile_pipes) {
722         case 1:
723         default:
724                 gb_tiling_config |= PIPE_TILING(0);
725                 break;
726         case 2:
727                 gb_tiling_config |= PIPE_TILING(1);
728                 break;
729         case 4:
730                 gb_tiling_config |= PIPE_TILING(2);
731                 break;
732         case 8:
733                 gb_tiling_config |= PIPE_TILING(3);
734                 break;
735         }
736         rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
737
738         if (rdev->family == CHIP_RV770)
739                 gb_tiling_config |= BANK_TILING(1);
740         else
741                 gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
742         rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
743         gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
744         if ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
745                 rdev->config.rv770.tiling_group_size = 512;
746         else
747                 rdev->config.rv770.tiling_group_size = 256;
748         if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
749                 gb_tiling_config |= ROW_TILING(3);
750                 gb_tiling_config |= SAMPLE_SPLIT(3);
751         } else {
752                 gb_tiling_config |=
753                         ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
754                 gb_tiling_config |=
755                         SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
756         }
757
758         gb_tiling_config |= BANK_SWAPS(1);
759
760         cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
761         cc_rb_backend_disable |=
762                 BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
763
764         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
765         cc_gc_shader_pipe_config |=
766                 INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
767         cc_gc_shader_pipe_config |=
768                 INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
769
770         if (rdev->family == CHIP_RV740)
771                 backend_map = 0x28;
772         else
773                 backend_map = r700_get_tile_pipe_to_backend_map(rdev,
774                                                                 rdev->config.rv770.max_tile_pipes,
775                                                                 (R7XX_MAX_BACKENDS -
776                                                                  r600_count_pipe_bits((cc_rb_backend_disable &
777                                                                                        R7XX_MAX_BACKENDS_MASK) >> 16)),
778                                                                 (cc_rb_backend_disable >> 16));
779
780         rdev->config.rv770.tile_config = gb_tiling_config;
781         gb_tiling_config |= BACKEND_MAP(backend_map);
782
783         WREG32(GB_TILING_CONFIG, gb_tiling_config);
784         WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
785         WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
786
787         rv770_program_channel_remap(rdev);
788
789         WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
790         WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
791         WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
792         WREG32(CC_SYS_RB_BACKEND_DISABLE,  cc_rb_backend_disable);
793
794         WREG32(CGTS_SYS_TCC_DISABLE, 0);
795         WREG32(CGTS_TCC_DISABLE, 0);
796         WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
797         WREG32(CGTS_USER_TCC_DISABLE, 0);
798
799         num_qd_pipes =
800                 R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
801         WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
802         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
803
804         /* set HW defaults for 3D engine */
805         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
806                                      ROQ_IB2_START(0x2b)));
807
808         WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
809
810         ta_aux_cntl = RREG32(TA_CNTL_AUX);
811         WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
812
813         sx_debug_1 = RREG32(SX_DEBUG_1);
814         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
815         WREG32(SX_DEBUG_1, sx_debug_1);
816
817         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
818         smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
819         smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
820         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
821
822         if (rdev->family != CHIP_RV740)
823                 WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
824                                        GS_FLUSH_CTL(4) |
825                                        ACK_FLUSH_CTL(3) |
826                                        SYNC_FLUSH_CTL));
827
828         db_debug3 = RREG32(DB_DEBUG3);
829         db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
830         switch (rdev->family) {
831         case CHIP_RV770:
832         case CHIP_RV740:
833                 db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
834                 break;
835         case CHIP_RV710:
836         case CHIP_RV730:
837         default:
838                 db_debug3 |= DB_CLK_OFF_DELAY(2);
839                 break;
840         }
841         WREG32(DB_DEBUG3, db_debug3);
842
843         if (rdev->family != CHIP_RV770) {
844                 db_debug4 = RREG32(DB_DEBUG4);
845                 db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
846                 WREG32(DB_DEBUG4, db_debug4);
847         }
848
849         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
850                                         POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
851                                         SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
852
853         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
854                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
855                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
856
857         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
858
859         WREG32(VGT_NUM_INSTANCES, 1);
860
861         WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
862
863         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
864
865         WREG32(CP_PERFMON_CNTL, 0);
866
867         sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
868                             DONE_FIFO_HIWATER(0xe0) |
869                             ALU_UPDATE_FIFO_HIWATER(0x8));
870         switch (rdev->family) {
871         case CHIP_RV770:
872         case CHIP_RV730:
873         case CHIP_RV710:
874                 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
875                 break;
876         case CHIP_RV740:
877         default:
878                 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
879                 break;
880         }
881         WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
882
883         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
884          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
885          */
886         sq_config = RREG32(SQ_CONFIG);
887         sq_config &= ~(PS_PRIO(3) |
888                        VS_PRIO(3) |
889                        GS_PRIO(3) |
890                        ES_PRIO(3));
891         sq_config |= (DX9_CONSTS |
892                       VC_ENABLE |
893                       EXPORT_SRC_C |
894                       PS_PRIO(0) |
895                       VS_PRIO(1) |
896                       GS_PRIO(2) |
897                       ES_PRIO(3));
898         if (rdev->family == CHIP_RV710)
899                 /* no vertex cache */
900                 sq_config &= ~VC_ENABLE;
901
902         WREG32(SQ_CONFIG, sq_config);
903
904         WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
905                                          NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
906                                          NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
907
908         WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
909                                          NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
910
911         sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
912                                    NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
913                                    NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
914         if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
915                 sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
916         else
917                 sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
918         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
919
920         WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
921                                                      NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
922
923         WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
924                                                      NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
925
926         sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
927                                      SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
928                                      SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
929                                      SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
930
931         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
932         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
933         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
934         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
935         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
936         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
937         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
938         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
939
940         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
941                                           FORCE_EOV_MAX_REZ_CNT(255)));
942
943         if (rdev->family == CHIP_RV710)
944                 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
945                                                 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
946         else
947                 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
948                                                 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
949
950         switch (rdev->family) {
951         case CHIP_RV770:
952         case CHIP_RV730:
953         case CHIP_RV740:
954                 gs_prim_buffer_depth = 384;
955                 break;
956         case CHIP_RV710:
957                 gs_prim_buffer_depth = 128;
958                 break;
959         default:
960                 break;
961         }
962
963         num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
964         vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
965         /* Max value for this is 256 */
966         if (vgt_gs_per_es > 256)
967                 vgt_gs_per_es = 256;
968
969         WREG32(VGT_ES_PER_GS, 128);
970         WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
971         WREG32(VGT_GS_PER_VS, 2);
972
973         /* more default values. 2D/3D driver should adjust as needed */
974         WREG32(VGT_GS_VERTEX_REUSE, 16);
975         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
976         WREG32(VGT_STRMOUT_EN, 0);
977         WREG32(SX_MISC, 0);
978         WREG32(PA_SC_MODE_CNTL, 0);
979         WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
980         WREG32(PA_SC_AA_CONFIG, 0);
981         WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
982         WREG32(PA_SC_LINE_STIPPLE, 0);
983         WREG32(SPI_INPUT_Z, 0);
984         WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
985         WREG32(CB_COLOR7_FRAG, 0);
986
987         /* clear render buffer base addresses */
988         WREG32(CB_COLOR0_BASE, 0);
989         WREG32(CB_COLOR1_BASE, 0);
990         WREG32(CB_COLOR2_BASE, 0);
991         WREG32(CB_COLOR3_BASE, 0);
992         WREG32(CB_COLOR4_BASE, 0);
993         WREG32(CB_COLOR5_BASE, 0);
994         WREG32(CB_COLOR6_BASE, 0);
995         WREG32(CB_COLOR7_BASE, 0);
996
997         WREG32(TCP_CNTL, 0);
998
999         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1000         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1001
1002         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1003
1004         WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1005                                           NUM_CLIP_SEQ(3)));
1006
1007 }
1008
1009 static int rv770_vram_scratch_init(struct radeon_device *rdev)
1010 {
1011         int r;
1012         u64 gpu_addr;
1013
1014         if (rdev->vram_scratch.robj == NULL) {
1015                 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1016                                      PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
1017                                      &rdev->vram_scratch.robj);
1018                 if (r) {
1019                         return r;
1020                 }
1021         }
1022
1023         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1024         if (unlikely(r != 0))
1025                 return r;
1026         r = radeon_bo_pin(rdev->vram_scratch.robj,
1027                           RADEON_GEM_DOMAIN_VRAM, &gpu_addr);
1028         if (r) {
1029                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1030                 return r;
1031         }
1032         r = radeon_bo_kmap(rdev->vram_scratch.robj,
1033                                 (void **)&rdev->vram_scratch.ptr);
1034         if (r)
1035                 radeon_bo_unpin(rdev->vram_scratch.robj);
1036         radeon_bo_unreserve(rdev->vram_scratch.robj);
1037
1038         return r;
1039 }
1040
1041 static void rv770_vram_scratch_fini(struct radeon_device *rdev)
1042 {
1043         int r;
1044
1045         if (rdev->vram_scratch.robj == NULL) {
1046                 return;
1047         }
1048         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1049         if (likely(r == 0)) {
1050                 radeon_bo_kunmap(rdev->vram_scratch.robj);
1051                 radeon_bo_unpin(rdev->vram_scratch.robj);
1052                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1053         }
1054         radeon_bo_unref(&rdev->vram_scratch.robj);
1055 }
1056
1057 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1058 {
1059         u64 size_bf, size_af;
1060
1061         if (mc->mc_vram_size > 0xE0000000) {
1062                 /* leave room for at least 512M GTT */
1063                 dev_warn(rdev->dev, "limiting VRAM\n");
1064                 mc->real_vram_size = 0xE0000000;
1065                 mc->mc_vram_size = 0xE0000000;
1066         }
1067         if (rdev->flags & RADEON_IS_AGP) {
1068                 size_bf = mc->gtt_start;
1069                 size_af = 0xFFFFFFFF - mc->gtt_end + 1;
1070                 if (size_bf > size_af) {
1071                         if (mc->mc_vram_size > size_bf) {
1072                                 dev_warn(rdev->dev, "limiting VRAM\n");
1073                                 mc->real_vram_size = size_bf;
1074                                 mc->mc_vram_size = size_bf;
1075                         }
1076                         mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1077                 } else {
1078                         if (mc->mc_vram_size > size_af) {
1079                                 dev_warn(rdev->dev, "limiting VRAM\n");
1080                                 mc->real_vram_size = size_af;
1081                                 mc->mc_vram_size = size_af;
1082                         }
1083                         mc->vram_start = mc->gtt_end;
1084                 }
1085                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1086                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1087                                 mc->mc_vram_size >> 20, mc->vram_start,
1088                                 mc->vram_end, mc->real_vram_size >> 20);
1089         } else {
1090                 radeon_vram_location(rdev, &rdev->mc, 0);
1091                 rdev->mc.gtt_base_align = 0;
1092                 radeon_gtt_location(rdev, mc);
1093         }
1094 }
1095
1096 int rv770_mc_init(struct radeon_device *rdev)
1097 {
1098         u32 tmp;
1099         int chansize, numchan;
1100
1101         /* Get VRAM informations */
1102         rdev->mc.vram_is_ddr = true;
1103         tmp = RREG32(MC_ARB_RAMCFG);
1104         if (tmp & CHANSIZE_OVERRIDE) {
1105                 chansize = 16;
1106         } else if (tmp & CHANSIZE_MASK) {
1107                 chansize = 64;
1108         } else {
1109                 chansize = 32;
1110         }
1111         tmp = RREG32(MC_SHARED_CHMAP);
1112         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1113         case 0:
1114         default:
1115                 numchan = 1;
1116                 break;
1117         case 1:
1118                 numchan = 2;
1119                 break;
1120         case 2:
1121                 numchan = 4;
1122                 break;
1123         case 3:
1124                 numchan = 8;
1125                 break;
1126         }
1127         rdev->mc.vram_width = numchan * chansize;
1128         /* Could aper size report 0 ? */
1129         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1130         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1131         /* Setup GPU memory space */
1132         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1133         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1134         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1135         r700_vram_gtt_location(rdev, &rdev->mc);
1136         radeon_update_bandwidth_info(rdev);
1137
1138         return 0;
1139 }
1140
1141 static int rv770_startup(struct radeon_device *rdev)
1142 {
1143         int r;
1144
1145         /* enable pcie gen2 link */
1146         rv770_pcie_gen2_enable(rdev);
1147
1148         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1149                 r = r600_init_microcode(rdev);
1150                 if (r) {
1151                         DRM_ERROR("Failed to load firmware!\n");
1152                         return r;
1153                 }
1154         }
1155
1156         rv770_mc_program(rdev);
1157         if (rdev->flags & RADEON_IS_AGP) {
1158                 rv770_agp_enable(rdev);
1159         } else {
1160                 r = rv770_pcie_gart_enable(rdev);
1161                 if (r)
1162                         return r;
1163         }
1164         r = rv770_vram_scratch_init(rdev);
1165         if (r)
1166                 return r;
1167         rv770_gpu_init(rdev);
1168         r = r600_blit_init(rdev);
1169         if (r) {
1170                 r600_blit_fini(rdev);
1171                 rdev->asic->copy = NULL;
1172                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1173         }
1174
1175         /* allocate wb buffer */
1176         r = radeon_wb_init(rdev);
1177         if (r)
1178                 return r;
1179
1180         /* Enable IRQ */
1181         r = r600_irq_init(rdev);
1182         if (r) {
1183                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1184                 radeon_irq_kms_fini(rdev);
1185                 return r;
1186         }
1187         r600_irq_set(rdev);
1188
1189         r = radeon_ring_init(rdev, rdev->cp.ring_size);
1190         if (r)
1191                 return r;
1192         r = rv770_cp_load_microcode(rdev);
1193         if (r)
1194                 return r;
1195         r = r600_cp_resume(rdev);
1196         if (r)
1197                 return r;
1198
1199         return 0;
1200 }
1201
1202 int rv770_resume(struct radeon_device *rdev)
1203 {
1204         int r;
1205
1206         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1207          * posting will perform necessary task to bring back GPU into good
1208          * shape.
1209          */
1210         /* post card */
1211         atom_asic_init(rdev->mode_info.atom_context);
1212
1213         r = rv770_startup(rdev);
1214         if (r) {
1215                 DRM_ERROR("r600 startup failed on resume\n");
1216                 return r;
1217         }
1218
1219         r = r600_ib_test(rdev);
1220         if (r) {
1221                 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
1222                 return r;
1223         }
1224
1225         r = r600_audio_init(rdev);
1226         if (r) {
1227                 dev_err(rdev->dev, "radeon: audio init failed\n");
1228                 return r;
1229         }
1230
1231         return r;
1232
1233 }
1234
1235 int rv770_suspend(struct radeon_device *rdev)
1236 {
1237         int r;
1238
1239         r600_audio_fini(rdev);
1240         /* FIXME: we should wait for ring to be empty */
1241         r700_cp_stop(rdev);
1242         rdev->cp.ready = false;
1243         r600_irq_suspend(rdev);
1244         radeon_wb_disable(rdev);
1245         rv770_pcie_gart_disable(rdev);
1246         /* unpin shaders bo */
1247         if (rdev->r600_blit.shader_obj) {
1248                 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
1249                 if (likely(r == 0)) {
1250                         radeon_bo_unpin(rdev->r600_blit.shader_obj);
1251                         radeon_bo_unreserve(rdev->r600_blit.shader_obj);
1252                 }
1253         }
1254         return 0;
1255 }
1256
1257 /* Plan is to move initialization in that function and use
1258  * helper function so that radeon_device_init pretty much
1259  * do nothing more than calling asic specific function. This
1260  * should also allow to remove a bunch of callback function
1261  * like vram_info.
1262  */
1263 int rv770_init(struct radeon_device *rdev)
1264 {
1265         int r;
1266
1267         /* This don't do much */
1268         r = radeon_gem_init(rdev);
1269         if (r)
1270                 return r;
1271         /* Read BIOS */
1272         if (!radeon_get_bios(rdev)) {
1273                 if (ASIC_IS_AVIVO(rdev))
1274                         return -EINVAL;
1275         }
1276         /* Must be an ATOMBIOS */
1277         if (!rdev->is_atom_bios) {
1278                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1279                 return -EINVAL;
1280         }
1281         r = radeon_atombios_init(rdev);
1282         if (r)
1283                 return r;
1284         /* Post card if necessary */
1285         if (!radeon_card_posted(rdev)) {
1286                 if (!rdev->bios) {
1287                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1288                         return -EINVAL;
1289                 }
1290                 DRM_INFO("GPU not posted. posting now...\n");
1291                 atom_asic_init(rdev->mode_info.atom_context);
1292         }
1293         /* Initialize scratch registers */
1294         r600_scratch_init(rdev);
1295         /* Initialize surface registers */
1296         radeon_surface_init(rdev);
1297         /* Initialize clocks */
1298         radeon_get_clock_info(rdev->ddev);
1299         /* Fence driver */
1300         r = radeon_fence_driver_init(rdev);
1301         if (r)
1302                 return r;
1303         /* initialize AGP */
1304         if (rdev->flags & RADEON_IS_AGP) {
1305                 r = radeon_agp_init(rdev);
1306                 if (r)
1307                         radeon_agp_disable(rdev);
1308         }
1309         r = rv770_mc_init(rdev);
1310         if (r)
1311                 return r;
1312         /* Memory manager */
1313         r = radeon_bo_init(rdev);
1314         if (r)
1315                 return r;
1316
1317         r = radeon_irq_kms_init(rdev);
1318         if (r)
1319                 return r;
1320
1321         rdev->cp.ring_obj = NULL;
1322         r600_ring_init(rdev, 1024 * 1024);
1323
1324         rdev->ih.ring_obj = NULL;
1325         r600_ih_ring_init(rdev, 64 * 1024);
1326
1327         r = r600_pcie_gart_init(rdev);
1328         if (r)
1329                 return r;
1330
1331         rdev->accel_working = true;
1332         r = rv770_startup(rdev);
1333         if (r) {
1334                 dev_err(rdev->dev, "disabling GPU acceleration\n");
1335                 r700_cp_fini(rdev);
1336                 r600_irq_fini(rdev);
1337                 radeon_wb_fini(rdev);
1338                 radeon_irq_kms_fini(rdev);
1339                 rv770_pcie_gart_fini(rdev);
1340                 rdev->accel_working = false;
1341         }
1342         if (rdev->accel_working) {
1343                 r = radeon_ib_pool_init(rdev);
1344                 if (r) {
1345                         dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1346                         rdev->accel_working = false;
1347                 } else {
1348                         r = r600_ib_test(rdev);
1349                         if (r) {
1350                                 dev_err(rdev->dev, "IB test failed (%d).\n", r);
1351                                 rdev->accel_working = false;
1352                         }
1353                 }
1354         }
1355
1356         r = r600_audio_init(rdev);
1357         if (r) {
1358                 dev_err(rdev->dev, "radeon: audio init failed\n");
1359                 return r;
1360         }
1361
1362         return 0;
1363 }
1364
1365 void rv770_fini(struct radeon_device *rdev)
1366 {
1367         r600_blit_fini(rdev);
1368         r700_cp_fini(rdev);
1369         r600_irq_fini(rdev);
1370         radeon_wb_fini(rdev);
1371         radeon_ib_pool_fini(rdev);
1372         radeon_irq_kms_fini(rdev);
1373         rv770_pcie_gart_fini(rdev);
1374         rv770_vram_scratch_fini(rdev);
1375         radeon_gem_fini(rdev);
1376         radeon_fence_driver_fini(rdev);
1377         radeon_agp_fini(rdev);
1378         radeon_bo_fini(rdev);
1379         radeon_atombios_fini(rdev);
1380         kfree(rdev->bios);
1381         rdev->bios = NULL;
1382 }
1383
1384 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
1385 {
1386         u32 link_width_cntl, lanes, speed_cntl, tmp;
1387         u16 link_cntl2;
1388
1389         if (radeon_pcie_gen2 == 0)
1390                 return;
1391
1392         if (rdev->flags & RADEON_IS_IGP)
1393                 return;
1394
1395         if (!(rdev->flags & RADEON_IS_PCIE))
1396                 return;
1397
1398         /* x2 cards have a special sequence */
1399         if (ASIC_IS_X2(rdev))
1400                 return;
1401
1402         /* advertise upconfig capability */
1403         link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1404         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1405         WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1406         link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1407         if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
1408                 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
1409                 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
1410                                      LC_RECONFIG_ARC_MISSING_ESCAPE);
1411                 link_width_cntl |= lanes | LC_RECONFIG_NOW |
1412                         LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
1413                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1414         } else {
1415                 link_width_cntl |= LC_UPCONFIGURE_DIS;
1416                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1417         }
1418
1419         speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1420         if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
1421             (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1422
1423                 tmp = RREG32(0x541c);
1424                 WREG32(0x541c, tmp | 0x8);
1425                 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
1426                 link_cntl2 = RREG16(0x4088);
1427                 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
1428                 link_cntl2 |= 0x2;
1429                 WREG16(0x4088, link_cntl2);
1430                 WREG32(MM_CFGREGS_CNTL, 0);
1431
1432                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1433                 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
1434                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1435
1436                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1437                 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
1438                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1439
1440                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1441                 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
1442                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1443
1444                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1445                 speed_cntl |= LC_GEN2_EN_STRAP;
1446                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1447
1448         } else {
1449                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1450                 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
1451                 if (1)
1452                         link_width_cntl |= LC_UPCONFIGURE_DIS;
1453                 else
1454                         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1455                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1456         }
1457 }