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[ARM] pxa: Gumstix Verdex PCMCIA support
[linux-2.6/verdex.git] / drivers / gpu / drm / radeon / r600_cp.c
blob6d5a711c2e91c63818c5a86ca1a6e4e194b418ff
1 /*
2 * Copyright 2008-2009 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * 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) AND/OR ITS SUPPLIERS 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 OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Dave Airlie <airlied@redhat.com>
26 * Alex Deucher <alexander.deucher@amd.com>
27 */
28
29 #include "drmP.h"
30 #include "drm.h"
31 #include "radeon_drm.h"
32 #include "radeon_drv.h"
33
34 #define PFP_UCODE_SIZE 576
35 #define PM4_UCODE_SIZE 1792
36 #define R700_PFP_UCODE_SIZE 848
37 #define R700_PM4_UCODE_SIZE 1360
38
39 /* Firmware Names */
40 MODULE_FIRMWARE("radeon/R600_pfp.bin");
41 MODULE_FIRMWARE("radeon/R600_me.bin");
42 MODULE_FIRMWARE("radeon/RV610_pfp.bin");
43 MODULE_FIRMWARE("radeon/RV610_me.bin");
44 MODULE_FIRMWARE("radeon/RV630_pfp.bin");
45 MODULE_FIRMWARE("radeon/RV630_me.bin");
46 MODULE_FIRMWARE("radeon/RV620_pfp.bin");
47 MODULE_FIRMWARE("radeon/RV620_me.bin");
48 MODULE_FIRMWARE("radeon/RV635_pfp.bin");
49 MODULE_FIRMWARE("radeon/RV635_me.bin");
50 MODULE_FIRMWARE("radeon/RV670_pfp.bin");
51 MODULE_FIRMWARE("radeon/RV670_me.bin");
52 MODULE_FIRMWARE("radeon/RS780_pfp.bin");
53 MODULE_FIRMWARE("radeon/RS780_me.bin");
54 MODULE_FIRMWARE("radeon/RV770_pfp.bin");
55 MODULE_FIRMWARE("radeon/RV770_me.bin");
56 MODULE_FIRMWARE("radeon/RV730_pfp.bin");
57 MODULE_FIRMWARE("radeon/RV730_me.bin");
58 MODULE_FIRMWARE("radeon/RV710_pfp.bin");
59 MODULE_FIRMWARE("radeon/RV710_me.bin");
60
61
62 int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
63 unsigned family, u32 *ib, int *l);
64 void r600_cs_legacy_init(void);
65
66
67 # define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */
68 # define ATI_PCIGART_PAGE_MASK (~(ATI_PCIGART_PAGE_SIZE-1))
69
70 #define R600_PTE_VALID (1 << 0)
71 #define R600_PTE_SYSTEM (1 << 1)
72 #define R600_PTE_SNOOPED (1 << 2)
73 #define R600_PTE_READABLE (1 << 5)
74 #define R600_PTE_WRITEABLE (1 << 6)
75
76 /* MAX values used for gfx init */
77 #define R6XX_MAX_SH_GPRS 256
78 #define R6XX_MAX_TEMP_GPRS 16
79 #define R6XX_MAX_SH_THREADS 256
80 #define R6XX_MAX_SH_STACK_ENTRIES 4096
81 #define R6XX_MAX_BACKENDS 8
82 #define R6XX_MAX_BACKENDS_MASK 0xff
83 #define R6XX_MAX_SIMDS 8
84 #define R6XX_MAX_SIMDS_MASK 0xff
85 #define R6XX_MAX_PIPES 8
86 #define R6XX_MAX_PIPES_MASK 0xff
87
88 #define R7XX_MAX_SH_GPRS 256
89 #define R7XX_MAX_TEMP_GPRS 16
90 #define R7XX_MAX_SH_THREADS 256
91 #define R7XX_MAX_SH_STACK_ENTRIES 4096
92 #define R7XX_MAX_BACKENDS 8
93 #define R7XX_MAX_BACKENDS_MASK 0xff
94 #define R7XX_MAX_SIMDS 16
95 #define R7XX_MAX_SIMDS_MASK 0xffff
96 #define R7XX_MAX_PIPES 8
97 #define R7XX_MAX_PIPES_MASK 0xff
98
99 static int r600_do_wait_for_fifo(drm_radeon_private_t *dev_priv, int entries)
100 {
101 int i;
102
103 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
104
105 for (i = 0; i < dev_priv->usec_timeout; i++) {
106 int slots;
107 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
108 slots = (RADEON_READ(R600_GRBM_STATUS)
109 & R700_CMDFIFO_AVAIL_MASK);
110 else
111 slots = (RADEON_READ(R600_GRBM_STATUS)
112 & R600_CMDFIFO_AVAIL_MASK);
113 if (slots >= entries)
114 return 0;
115 DRM_UDELAY(1);
116 }
117 DRM_INFO("wait for fifo failed status : 0x%08X 0x%08X\n",
118 RADEON_READ(R600_GRBM_STATUS),
119 RADEON_READ(R600_GRBM_STATUS2));
120
121 return -EBUSY;
122 }
123
124 static int r600_do_wait_for_idle(drm_radeon_private_t *dev_priv)
125 {
126 int i, ret;
127
128 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
129
130 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
131 ret = r600_do_wait_for_fifo(dev_priv, 8);
132 else
133 ret = r600_do_wait_for_fifo(dev_priv, 16);
134 if (ret)
135 return ret;
136 for (i = 0; i < dev_priv->usec_timeout; i++) {
137 if (!(RADEON_READ(R600_GRBM_STATUS) & R600_GUI_ACTIVE))
138 return 0;
139 DRM_UDELAY(1);
140 }
141 DRM_INFO("wait idle failed status : 0x%08X 0x%08X\n",
142 RADEON_READ(R600_GRBM_STATUS),
143 RADEON_READ(R600_GRBM_STATUS2));
144
145 return -EBUSY;
146 }
147
148 void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
149 {
150 struct drm_sg_mem *entry = dev->sg;
151 int max_pages;
152 int pages;
153 int i;
154
155 if (!entry)
156 return;
157
158 if (gart_info->bus_addr) {
159 max_pages = (gart_info->table_size / sizeof(u64));
160 pages = (entry->pages <= max_pages)
161 ? entry->pages : max_pages;
162
163 for (i = 0; i < pages; i++) {
164 if (!entry->busaddr[i])
165 break;
166 pci_unmap_page(dev->pdev, entry->busaddr[i],
167 PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
168 }
169 if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
170 gart_info->bus_addr = 0;
171 }
172 }
173
174 /* R600 has page table setup */
175 int r600_page_table_init(struct drm_device *dev)
176 {
177 drm_radeon_private_t *dev_priv = dev->dev_private;
178 struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info;
179 struct drm_local_map *map = &gart_info->mapping;
180 struct drm_sg_mem *entry = dev->sg;
181 int ret = 0;
182 int i, j;
183 int pages;
184 u64 page_base;
185 dma_addr_t entry_addr;
186 int max_ati_pages, max_real_pages, gart_idx;
187
188 /* okay page table is available - lets rock */
189 max_ati_pages = (gart_info->table_size / sizeof(u64));
190 max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE);
191
192 pages = (entry->pages <= max_real_pages) ?
193 entry->pages : max_real_pages;
194
195 memset_io((void __iomem *)map->handle, 0, max_ati_pages * sizeof(u64));
196
197 gart_idx = 0;
198 for (i = 0; i < pages; i++) {
199 entry->busaddr[i] = pci_map_page(dev->pdev,
200 entry->pagelist[i], 0,
201 PAGE_SIZE,
202 PCI_DMA_BIDIRECTIONAL);
203 if (entry->busaddr[i] == 0) {
204 DRM_ERROR("unable to map PCIGART pages!\n");
205 r600_page_table_cleanup(dev, gart_info);
206 goto done;
207 }
208 entry_addr = entry->busaddr[i];
209 for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
210 page_base = (u64) entry_addr & ATI_PCIGART_PAGE_MASK;
211 page_base |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
212 page_base |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
213
214 DRM_WRITE64(map, gart_idx * sizeof(u64), page_base);
215
216 gart_idx++;
217
218 if ((i % 128) == 0)
219 DRM_DEBUG("page entry %d: 0x%016llx\n",
220 i, (unsigned long long)page_base);
221 entry_addr += ATI_PCIGART_PAGE_SIZE;
222 }
223 }
224 ret = 1;
225 done:
226 return ret;
227 }
228
229 static void r600_vm_flush_gart_range(struct drm_device *dev)
230 {
231 drm_radeon_private_t *dev_priv = dev->dev_private;
232 u32 resp, countdown = 1000;
233 RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_LOW_ADDR, dev_priv->gart_vm_start >> 12);
234 RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
235 RADEON_WRITE(R600_VM_CONTEXT0_REQUEST_RESPONSE, 2);
236
237 do {
238 resp = RADEON_READ(R600_VM_CONTEXT0_REQUEST_RESPONSE);
239 countdown--;
240 DRM_UDELAY(1);
241 } while (((resp & 0xf0) == 0) && countdown);
242 }
243
244 static void r600_vm_init(struct drm_device *dev)
245 {
246 drm_radeon_private_t *dev_priv = dev->dev_private;
247 /* initialise the VM to use the page table we constructed up there */
248 u32 vm_c0, i;
249 u32 mc_rd_a;
250 u32 vm_l2_cntl, vm_l2_cntl3;
251 /* okay set up the PCIE aperture type thingo */
252 RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
253 RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
254 RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
255
256 /* setup MC RD a */
257 mc_rd_a = R600_MCD_L1_TLB | R600_MCD_L1_FRAG_PROC | R600_MCD_SYSTEM_ACCESS_MODE_IN_SYS |
258 R600_MCD_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | R600_MCD_EFFECTIVE_L1_TLB_SIZE(5) |
259 R600_MCD_EFFECTIVE_L1_QUEUE_SIZE(5) | R600_MCD_WAIT_L2_QUERY;
260
261 RADEON_WRITE(R600_MCD_RD_A_CNTL, mc_rd_a);
262 RADEON_WRITE(R600_MCD_RD_B_CNTL, mc_rd_a);
263
264 RADEON_WRITE(R600_MCD_WR_A_CNTL, mc_rd_a);
265 RADEON_WRITE(R600_MCD_WR_B_CNTL, mc_rd_a);
266
267 RADEON_WRITE(R600_MCD_RD_GFX_CNTL, mc_rd_a);
268 RADEON_WRITE(R600_MCD_WR_GFX_CNTL, mc_rd_a);
269
270 RADEON_WRITE(R600_MCD_RD_SYS_CNTL, mc_rd_a);
271 RADEON_WRITE(R600_MCD_WR_SYS_CNTL, mc_rd_a);
272
273 RADEON_WRITE(R600_MCD_RD_HDP_CNTL, mc_rd_a | R600_MCD_L1_STRICT_ORDERING);
274 RADEON_WRITE(R600_MCD_WR_HDP_CNTL, mc_rd_a /*| R600_MCD_L1_STRICT_ORDERING*/);
275
276 RADEON_WRITE(R600_MCD_RD_PDMA_CNTL, mc_rd_a);
277 RADEON_WRITE(R600_MCD_WR_PDMA_CNTL, mc_rd_a);
278
279 RADEON_WRITE(R600_MCD_RD_SEM_CNTL, mc_rd_a | R600_MCD_SEMAPHORE_MODE);
280 RADEON_WRITE(R600_MCD_WR_SEM_CNTL, mc_rd_a);
281
282 vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
283 vm_l2_cntl |= R600_VM_L2_CNTL_QUEUE_SIZE(7);
284 RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
285
286 RADEON_WRITE(R600_VM_L2_CNTL2, 0);
287 vm_l2_cntl3 = (R600_VM_L2_CNTL3_BANK_SELECT_0(0) |
288 R600_VM_L2_CNTL3_BANK_SELECT_1(1) |
289 R600_VM_L2_CNTL3_CACHE_UPDATE_MODE(2));
290 RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
291
292 vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
293
294 RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
295
296 vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
297
298 /* disable all other contexts */
299 for (i = 1; i < 8; i++)
300 RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
301
302 RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
303 RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
304 RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
305
306 r600_vm_flush_gart_range(dev);
307 }
308
309 static int r600_cp_init_microcode(drm_radeon_private_t *dev_priv)
310 {
311 struct platform_device *pdev;
312 const char *chip_name;
313 size_t pfp_req_size, me_req_size;
314 char fw_name[30];
315 int err;
316
317 pdev = platform_device_register_simple("r600_cp", 0, NULL, 0);
318 err = IS_ERR(pdev);
319 if (err) {
320 printk(KERN_ERR "r600_cp: Failed to register firmware\n");
321 return -EINVAL;
322 }
323
324 switch (dev_priv->flags & RADEON_FAMILY_MASK) {
325 case CHIP_R600: chip_name = "R600"; break;
326 case CHIP_RV610: chip_name = "RV610"; break;
327 case CHIP_RV630: chip_name = "RV630"; break;
328 case CHIP_RV620: chip_name = "RV620"; break;
329 case CHIP_RV635: chip_name = "RV635"; break;
330 case CHIP_RV670: chip_name = "RV670"; break;
331 case CHIP_RS780:
332 case CHIP_RS880: chip_name = "RS780"; break;
333 case CHIP_RV770: chip_name = "RV770"; break;
334 case CHIP_RV730:
335 case CHIP_RV740: chip_name = "RV730"; break;
336 case CHIP_RV710: chip_name = "RV710"; break;
337 default: BUG();
338 }
339
340 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770) {
341 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
342 me_req_size = R700_PM4_UCODE_SIZE * 4;
343 } else {
344 pfp_req_size = PFP_UCODE_SIZE * 4;
345 me_req_size = PM4_UCODE_SIZE * 12;
346 }
347
348 DRM_INFO("Loading %s CP Microcode\n", chip_name);
349
350 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
351 err = request_firmware(&dev_priv->pfp_fw, fw_name, &pdev->dev);
352 if (err)
353 goto out;
354 if (dev_priv->pfp_fw->size != pfp_req_size) {
355 printk(KERN_ERR
356 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
357 dev_priv->pfp_fw->size, fw_name);
358 err = -EINVAL;
359 goto out;
360 }
361
362 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
363 err = request_firmware(&dev_priv->me_fw, fw_name, &pdev->dev);
364 if (err)
365 goto out;
366 if (dev_priv->me_fw->size != me_req_size) {
367 printk(KERN_ERR
368 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
369 dev_priv->me_fw->size, fw_name);
370 err = -EINVAL;
371 }
372 out:
373 platform_device_unregister(pdev);
374
375 if (err) {
376 if (err != -EINVAL)
377 printk(KERN_ERR
378 "r600_cp: Failed to load firmware \"%s\"\n",
379 fw_name);
380 release_firmware(dev_priv->pfp_fw);
381 dev_priv->pfp_fw = NULL;
382 release_firmware(dev_priv->me_fw);
383 dev_priv->me_fw = NULL;
384 }
385 return err;
386 }
387
388 static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
389 {
390 const __be32 *fw_data;
391 int i;
392
393 if (!dev_priv->me_fw || !dev_priv->pfp_fw)
394 return;
395
396 r600_do_cp_stop(dev_priv);
397
398 RADEON_WRITE(R600_CP_RB_CNTL,
399 R600_RB_NO_UPDATE |
400 R600_RB_BLKSZ(15) |
401 R600_RB_BUFSZ(3));
402
403 RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
404 RADEON_READ(R600_GRBM_SOFT_RESET);
405 DRM_UDELAY(15000);
406 RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
407
408 fw_data = (const __be32 *)dev_priv->me_fw->data;
409 RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
410 for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
411 RADEON_WRITE(R600_CP_ME_RAM_DATA,
412 be32_to_cpup(fw_data++));
413
414 fw_data = (const __be32 *)dev_priv->pfp_fw->data;
415 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
416 for (i = 0; i < PFP_UCODE_SIZE; i++)
417 RADEON_WRITE(R600_CP_PFP_UCODE_DATA,
418 be32_to_cpup(fw_data++));
419
420 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
421 RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
422 RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
423
424 }
425
426 static void r700_vm_init(struct drm_device *dev)
427 {
428 drm_radeon_private_t *dev_priv = dev->dev_private;
429 /* initialise the VM to use the page table we constructed up there */
430 u32 vm_c0, i;
431 u32 mc_vm_md_l1;
432 u32 vm_l2_cntl, vm_l2_cntl3;
433 /* okay set up the PCIE aperture type thingo */
434 RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
435 RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
436 RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
437
438 mc_vm_md_l1 = R700_ENABLE_L1_TLB |
439 R700_ENABLE_L1_FRAGMENT_PROCESSING |
440 R700_SYSTEM_ACCESS_MODE_IN_SYS |
441 R700_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
442 R700_EFFECTIVE_L1_TLB_SIZE(5) |
443 R700_EFFECTIVE_L1_QUEUE_SIZE(5);
444
445 RADEON_WRITE(R700_MC_VM_MD_L1_TLB0_CNTL, mc_vm_md_l1);
446 RADEON_WRITE(R700_MC_VM_MD_L1_TLB1_CNTL, mc_vm_md_l1);
447 RADEON_WRITE(R700_MC_VM_MD_L1_TLB2_CNTL, mc_vm_md_l1);
448 RADEON_WRITE(R700_MC_VM_MB_L1_TLB0_CNTL, mc_vm_md_l1);
449 RADEON_WRITE(R700_MC_VM_MB_L1_TLB1_CNTL, mc_vm_md_l1);
450 RADEON_WRITE(R700_MC_VM_MB_L1_TLB2_CNTL, mc_vm_md_l1);
451 RADEON_WRITE(R700_MC_VM_MB_L1_TLB3_CNTL, mc_vm_md_l1);
452
453 vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
454 vm_l2_cntl |= R700_VM_L2_CNTL_QUEUE_SIZE(7);
455 RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
456
457 RADEON_WRITE(R600_VM_L2_CNTL2, 0);
458 vm_l2_cntl3 = R700_VM_L2_CNTL3_BANK_SELECT(0) | R700_VM_L2_CNTL3_CACHE_UPDATE_MODE(2);
459 RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
460
461 vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
462
463 RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
464
465 vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
466
467 /* disable all other contexts */
468 for (i = 1; i < 8; i++)
469 RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
470
471 RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
472 RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
473 RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
474
475 r600_vm_flush_gart_range(dev);
476 }
477
478 static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv)
479 {
480 const __be32 *fw_data;
481 int i;
482
483 if (!dev_priv->me_fw || !dev_priv->pfp_fw)
484 return;
485
486 r600_do_cp_stop(dev_priv);
487
488 RADEON_WRITE(R600_CP_RB_CNTL,
489 R600_RB_NO_UPDATE |
490 (15 << 8) |
491 (3 << 0));
492
493 RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
494 RADEON_READ(R600_GRBM_SOFT_RESET);
495 DRM_UDELAY(15000);
496 RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
497
498 fw_data = (const __be32 *)dev_priv->pfp_fw->data;
499 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
500 for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
501 RADEON_WRITE(R600_CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
502 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
503
504 fw_data = (const __be32 *)dev_priv->me_fw->data;
505 RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
506 for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
507 RADEON_WRITE(R600_CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
508 RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
509
510 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
511 RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
512 RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
513
514 }
515
516 static void r600_test_writeback(drm_radeon_private_t *dev_priv)
517 {
518 u32 tmp;
519
520 /* Start with assuming that writeback doesn't work */
521 dev_priv->writeback_works = 0;
522
523 /* Writeback doesn't seem to work everywhere, test it here and possibly
524 * enable it if it appears to work
525 */
526 radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
527
528 RADEON_WRITE(R600_SCRATCH_REG1, 0xdeadbeef);
529
530 for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
531 u32 val;
532
533 val = radeon_read_ring_rptr(dev_priv, R600_SCRATCHOFF(1));
534 if (val == 0xdeadbeef)
535 break;
536 DRM_UDELAY(1);
537 }
538
539 if (tmp < dev_priv->usec_timeout) {
540 dev_priv->writeback_works = 1;
541 DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
542 } else {
543 dev_priv->writeback_works = 0;
544 DRM_INFO("writeback test failed\n");
545 }
546 if (radeon_no_wb == 1) {
547 dev_priv->writeback_works = 0;
548 DRM_INFO("writeback forced off\n");
549 }
550
551 if (!dev_priv->writeback_works) {
552 /* Disable writeback to avoid unnecessary bus master transfer */
553 RADEON_WRITE(R600_CP_RB_CNTL, RADEON_READ(R600_CP_RB_CNTL) |
554 RADEON_RB_NO_UPDATE);
555 RADEON_WRITE(R600_SCRATCH_UMSK, 0);
556 }
557 }
558
559 int r600_do_engine_reset(struct drm_device *dev)
560 {
561 drm_radeon_private_t *dev_priv = dev->dev_private;
562 u32 cp_ptr, cp_me_cntl, cp_rb_cntl;
563
564 DRM_INFO("Resetting GPU\n");
565
566 cp_ptr = RADEON_READ(R600_CP_RB_WPTR);
567 cp_me_cntl = RADEON_READ(R600_CP_ME_CNTL);
568 RADEON_WRITE(R600_CP_ME_CNTL, R600_CP_ME_HALT);
569
570 RADEON_WRITE(R600_GRBM_SOFT_RESET, 0x7fff);
571 RADEON_READ(R600_GRBM_SOFT_RESET);
572 DRM_UDELAY(50);
573 RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
574 RADEON_READ(R600_GRBM_SOFT_RESET);
575
576 RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
577 cp_rb_cntl = RADEON_READ(R600_CP_RB_CNTL);
578 RADEON_WRITE(R600_CP_RB_CNTL, R600_RB_RPTR_WR_ENA);
579
580 RADEON_WRITE(R600_CP_RB_RPTR_WR, cp_ptr);
581 RADEON_WRITE(R600_CP_RB_WPTR, cp_ptr);
582 RADEON_WRITE(R600_CP_RB_CNTL, cp_rb_cntl);
583 RADEON_WRITE(R600_CP_ME_CNTL, cp_me_cntl);
584
585 /* Reset the CP ring */
586 r600_do_cp_reset(dev_priv);
587
588 /* The CP is no longer running after an engine reset */
589 dev_priv->cp_running = 0;
590
591 /* Reset any pending vertex, indirect buffers */
592 radeon_freelist_reset(dev);
593
594 return 0;
595
596 }
597
598 static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
599 u32 num_backends,
600 u32 backend_disable_mask)
601 {
602 u32 backend_map = 0;
603 u32 enabled_backends_mask;
604 u32 enabled_backends_count;
605 u32 cur_pipe;
606 u32 swizzle_pipe[R6XX_MAX_PIPES];
607 u32 cur_backend;
608 u32 i;
609
610 if (num_tile_pipes > R6XX_MAX_PIPES)
611 num_tile_pipes = R6XX_MAX_PIPES;
612 if (num_tile_pipes < 1)
613 num_tile_pipes = 1;
614 if (num_backends > R6XX_MAX_BACKENDS)
615 num_backends = R6XX_MAX_BACKENDS;
616 if (num_backends < 1)
617 num_backends = 1;
618
619 enabled_backends_mask = 0;
620 enabled_backends_count = 0;
621 for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
622 if (((backend_disable_mask >> i) & 1) == 0) {
623 enabled_backends_mask |= (1 << i);
624 ++enabled_backends_count;
625 }
626 if (enabled_backends_count == num_backends)
627 break;
628 }
629
630 if (enabled_backends_count == 0) {
631 enabled_backends_mask = 1;
632 enabled_backends_count = 1;
633 }
634
635 if (enabled_backends_count != num_backends)
636 num_backends = enabled_backends_count;
637
638 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
639 switch (num_tile_pipes) {
640 case 1:
641 swizzle_pipe[0] = 0;
642 break;
643 case 2:
644 swizzle_pipe[0] = 0;
645 swizzle_pipe[1] = 1;
646 break;
647 case 3:
648 swizzle_pipe[0] = 0;
649 swizzle_pipe[1] = 1;
650 swizzle_pipe[2] = 2;
651 break;
652 case 4:
653 swizzle_pipe[0] = 0;
654 swizzle_pipe[1] = 1;
655 swizzle_pipe[2] = 2;
656 swizzle_pipe[3] = 3;
657 break;
658 case 5:
659 swizzle_pipe[0] = 0;
660 swizzle_pipe[1] = 1;
661 swizzle_pipe[2] = 2;
662 swizzle_pipe[3] = 3;
663 swizzle_pipe[4] = 4;
664 break;
665 case 6:
666 swizzle_pipe[0] = 0;
667 swizzle_pipe[1] = 2;
668 swizzle_pipe[2] = 4;
669 swizzle_pipe[3] = 5;
670 swizzle_pipe[4] = 1;
671 swizzle_pipe[5] = 3;
672 break;
673 case 7:
674 swizzle_pipe[0] = 0;
675 swizzle_pipe[1] = 2;
676 swizzle_pipe[2] = 4;
677 swizzle_pipe[3] = 6;
678 swizzle_pipe[4] = 1;
679 swizzle_pipe[5] = 3;
680 swizzle_pipe[6] = 5;
681 break;
682 case 8:
683 swizzle_pipe[0] = 0;
684 swizzle_pipe[1] = 2;
685 swizzle_pipe[2] = 4;
686 swizzle_pipe[3] = 6;
687 swizzle_pipe[4] = 1;
688 swizzle_pipe[5] = 3;
689 swizzle_pipe[6] = 5;
690 swizzle_pipe[7] = 7;
691 break;
692 }
693
694 cur_backend = 0;
695 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
696 while (((1 << cur_backend) & enabled_backends_mask) == 0)
697 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
698
699 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
700
701 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
702 }
703
704 return backend_map;
705 }
706
707 static int r600_count_pipe_bits(uint32_t val)
708 {
709 int i, ret = 0;
710 for (i = 0; i < 32; i++) {
711 ret += val & 1;
712 val >>= 1;
713 }
714 return ret;
715 }
716
717 static void r600_gfx_init(struct drm_device *dev,
718 drm_radeon_private_t *dev_priv)
719 {
720 int i, j, num_qd_pipes;
721 u32 sx_debug_1;
722 u32 tc_cntl;
723 u32 arb_pop;
724 u32 num_gs_verts_per_thread;
725 u32 vgt_gs_per_es;
726 u32 gs_prim_buffer_depth = 0;
727 u32 sq_ms_fifo_sizes;
728 u32 sq_config;
729 u32 sq_gpr_resource_mgmt_1 = 0;
730 u32 sq_gpr_resource_mgmt_2 = 0;
731 u32 sq_thread_resource_mgmt = 0;
732 u32 sq_stack_resource_mgmt_1 = 0;
733 u32 sq_stack_resource_mgmt_2 = 0;
734 u32 hdp_host_path_cntl;
735 u32 backend_map;
736 u32 gb_tiling_config = 0;
737 u32 cc_rb_backend_disable = 0;
738 u32 cc_gc_shader_pipe_config = 0;
739 u32 ramcfg;
740
741 /* setup chip specs */
742 switch (dev_priv->flags & RADEON_FAMILY_MASK) {
743 case CHIP_R600:
744 dev_priv->r600_max_pipes = 4;
745 dev_priv->r600_max_tile_pipes = 8;
746 dev_priv->r600_max_simds = 4;
747 dev_priv->r600_max_backends = 4;
748 dev_priv->r600_max_gprs = 256;
749 dev_priv->r600_max_threads = 192;
750 dev_priv->r600_max_stack_entries = 256;
751 dev_priv->r600_max_hw_contexts = 8;
752 dev_priv->r600_max_gs_threads = 16;
753 dev_priv->r600_sx_max_export_size = 128;
754 dev_priv->r600_sx_max_export_pos_size = 16;
755 dev_priv->r600_sx_max_export_smx_size = 128;
756 dev_priv->r600_sq_num_cf_insts = 2;
757 break;
758 case CHIP_RV630:
759 case CHIP_RV635:
760 dev_priv->r600_max_pipes = 2;
761 dev_priv->r600_max_tile_pipes = 2;
762 dev_priv->r600_max_simds = 3;
763 dev_priv->r600_max_backends = 1;
764 dev_priv->r600_max_gprs = 128;
765 dev_priv->r600_max_threads = 192;
766 dev_priv->r600_max_stack_entries = 128;
767 dev_priv->r600_max_hw_contexts = 8;
768 dev_priv->r600_max_gs_threads = 4;
769 dev_priv->r600_sx_max_export_size = 128;
770 dev_priv->r600_sx_max_export_pos_size = 16;
771 dev_priv->r600_sx_max_export_smx_size = 128;
772 dev_priv->r600_sq_num_cf_insts = 2;
773 break;
774 case CHIP_RV610:
775 case CHIP_RS780:
776 case CHIP_RS880:
777 case CHIP_RV620:
778 dev_priv->r600_max_pipes = 1;
779 dev_priv->r600_max_tile_pipes = 1;
780 dev_priv->r600_max_simds = 2;
781 dev_priv->r600_max_backends = 1;
782 dev_priv->r600_max_gprs = 128;
783 dev_priv->r600_max_threads = 192;
784 dev_priv->r600_max_stack_entries = 128;
785 dev_priv->r600_max_hw_contexts = 4;
786 dev_priv->r600_max_gs_threads = 4;
787 dev_priv->r600_sx_max_export_size = 128;
788 dev_priv->r600_sx_max_export_pos_size = 16;
789 dev_priv->r600_sx_max_export_smx_size = 128;
790 dev_priv->r600_sq_num_cf_insts = 1;
791 break;
792 case CHIP_RV670:
793 dev_priv->r600_max_pipes = 4;
794 dev_priv->r600_max_tile_pipes = 4;
795 dev_priv->r600_max_simds = 4;
796 dev_priv->r600_max_backends = 4;
797 dev_priv->r600_max_gprs = 192;
798 dev_priv->r600_max_threads = 192;
799 dev_priv->r600_max_stack_entries = 256;
800 dev_priv->r600_max_hw_contexts = 8;
801 dev_priv->r600_max_gs_threads = 16;
802 dev_priv->r600_sx_max_export_size = 128;
803 dev_priv->r600_sx_max_export_pos_size = 16;
804 dev_priv->r600_sx_max_export_smx_size = 128;
805 dev_priv->r600_sq_num_cf_insts = 2;
806 break;
807 default:
808 break;
809 }
810
811 /* Initialize HDP */
812 j = 0;
813 for (i = 0; i < 32; i++) {
814 RADEON_WRITE((0x2c14 + j), 0x00000000);
815 RADEON_WRITE((0x2c18 + j), 0x00000000);
816 RADEON_WRITE((0x2c1c + j), 0x00000000);
817 RADEON_WRITE((0x2c20 + j), 0x00000000);
818 RADEON_WRITE((0x2c24 + j), 0x00000000);
819 j += 0x18;
820 }
821
822 RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
823
824 /* setup tiling, simd, pipe config */
825 ramcfg = RADEON_READ(R600_RAMCFG);
826
827 switch (dev_priv->r600_max_tile_pipes) {
828 case 1:
829 gb_tiling_config |= R600_PIPE_TILING(0);
830 break;
831 case 2:
832 gb_tiling_config |= R600_PIPE_TILING(1);
833 break;
834 case 4:
835 gb_tiling_config |= R600_PIPE_TILING(2);
836 break;
837 case 8:
838 gb_tiling_config |= R600_PIPE_TILING(3);
839 break;
840 default:
841 break;
842 }
843
844 gb_tiling_config |= R600_BANK_TILING((ramcfg >> R600_NOOFBANK_SHIFT) & R600_NOOFBANK_MASK);
845
846 gb_tiling_config |= R600_GROUP_SIZE(0);
847
848 if (((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK) > 3) {
849 gb_tiling_config |= R600_ROW_TILING(3);
850 gb_tiling_config |= R600_SAMPLE_SPLIT(3);
851 } else {
852 gb_tiling_config |=
853 R600_ROW_TILING(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
854 gb_tiling_config |=
855 R600_SAMPLE_SPLIT(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
856 }
857
858 gb_tiling_config |= R600_BANK_SWAPS(1);
859
860 backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
861 dev_priv->r600_max_backends,
862 (0xff << dev_priv->r600_max_backends) & 0xff);
863 gb_tiling_config |= R600_BACKEND_MAP(backend_map);
864
865 cc_gc_shader_pipe_config =
866 R600_INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R6XX_MAX_PIPES_MASK);
867 cc_gc_shader_pipe_config |=
868 R600_INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R6XX_MAX_SIMDS_MASK);
869
870 cc_rb_backend_disable =
871 R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
872
873 RADEON_WRITE(R600_GB_TILING_CONFIG, gb_tiling_config);
874 RADEON_WRITE(R600_DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
875 RADEON_WRITE(R600_HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
876
877 RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
878 RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
879 RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
880
881 num_qd_pipes =
882 R6XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
883 RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
884 RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
885
886 /* set HW defaults for 3D engine */
887 RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
888 R600_ROQ_IB2_START(0x2b)));
889
890 RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, (R600_MEQ_END(0x40) |
891 R600_ROQ_END(0x40)));
892
893 RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
894 R600_SYNC_GRADIENT |
895 R600_SYNC_WALKER |
896 R600_SYNC_ALIGNER));
897
898 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670)
899 RADEON_WRITE(R600_ARB_GDEC_RD_CNTL, 0x00000021);
900
901 sx_debug_1 = RADEON_READ(R600_SX_DEBUG_1);
902 sx_debug_1 |= R600_SMX_EVENT_RELEASE;
903 if (((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_R600))
904 sx_debug_1 |= R600_ENABLE_NEW_SMX_ADDRESS;
905 RADEON_WRITE(R600_SX_DEBUG_1, sx_debug_1);
906
907 if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
908 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
909 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
910 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
911 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
912 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
913 RADEON_WRITE(R600_DB_DEBUG, R600_PREZ_MUST_WAIT_FOR_POSTZ_DONE);
914 else
915 RADEON_WRITE(R600_DB_DEBUG, 0);
916
917 RADEON_WRITE(R600_DB_WATERMARKS, (R600_DEPTH_FREE(4) |
918 R600_DEPTH_FLUSH(16) |
919 R600_DEPTH_PENDING_FREE(4) |
920 R600_DEPTH_CACHELINE_FREE(16)));
921 RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
922 RADEON_WRITE(R600_VGT_NUM_INSTANCES, 0);
923
924 RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
925 RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(0));
926
927 sq_ms_fifo_sizes = RADEON_READ(R600_SQ_MS_FIFO_SIZES);
928 if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
929 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
930 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
931 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
932 sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(0xa) |
933 R600_FETCH_FIFO_HIWATER(0xa) |
934 R600_DONE_FIFO_HIWATER(0xe0) |
935 R600_ALU_UPDATE_FIFO_HIWATER(0x8));
936 } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
937 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630)) {
938 sq_ms_fifo_sizes &= ~R600_DONE_FIFO_HIWATER(0xff);
939 sq_ms_fifo_sizes |= R600_DONE_FIFO_HIWATER(0x4);
940 }
941 RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
942
943 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
944 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
945 */
946 sq_config = RADEON_READ(R600_SQ_CONFIG);
947 sq_config &= ~(R600_PS_PRIO(3) |
948 R600_VS_PRIO(3) |
949 R600_GS_PRIO(3) |
950 R600_ES_PRIO(3));
951 sq_config |= (R600_DX9_CONSTS |
952 R600_VC_ENABLE |
953 R600_PS_PRIO(0) |
954 R600_VS_PRIO(1) |
955 R600_GS_PRIO(2) |
956 R600_ES_PRIO(3));
957
958 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) {
959 sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(124) |
960 R600_NUM_VS_GPRS(124) |
961 R600_NUM_CLAUSE_TEMP_GPRS(4));
962 sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(0) |
963 R600_NUM_ES_GPRS(0));
964 sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(136) |
965 R600_NUM_VS_THREADS(48) |
966 R600_NUM_GS_THREADS(4) |
967 R600_NUM_ES_THREADS(4));
968 sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(128) |
969 R600_NUM_VS_STACK_ENTRIES(128));
970 sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(0) |
971 R600_NUM_ES_STACK_ENTRIES(0));
972 } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
973 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
974 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
975 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
976 /* no vertex cache */
977 sq_config &= ~R600_VC_ENABLE;
978
979 sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
980 R600_NUM_VS_GPRS(44) |
981 R600_NUM_CLAUSE_TEMP_GPRS(2));
982 sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
983 R600_NUM_ES_GPRS(17));
984 sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
985 R600_NUM_VS_THREADS(78) |
986 R600_NUM_GS_THREADS(4) |
987 R600_NUM_ES_THREADS(31));
988 sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
989 R600_NUM_VS_STACK_ENTRIES(40));
990 sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
991 R600_NUM_ES_STACK_ENTRIES(16));
992 } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
993 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV635)) {
994 sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
995 R600_NUM_VS_GPRS(44) |
996 R600_NUM_CLAUSE_TEMP_GPRS(2));
997 sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(18) |
998 R600_NUM_ES_GPRS(18));
999 sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
1000 R600_NUM_VS_THREADS(78) |
1001 R600_NUM_GS_THREADS(4) |
1002 R600_NUM_ES_THREADS(31));
1003 sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
1004 R600_NUM_VS_STACK_ENTRIES(40));
1005 sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
1006 R600_NUM_ES_STACK_ENTRIES(16));
1007 } else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670) {
1008 sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
1009 R600_NUM_VS_GPRS(44) |
1010 R600_NUM_CLAUSE_TEMP_GPRS(2));
1011 sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
1012 R600_NUM_ES_GPRS(17));
1013 sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
1014 R600_NUM_VS_THREADS(78) |
1015 R600_NUM_GS_THREADS(4) |
1016 R600_NUM_ES_THREADS(31));
1017 sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(64) |
1018 R600_NUM_VS_STACK_ENTRIES(64));
1019 sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(64) |
1020 R600_NUM_ES_STACK_ENTRIES(64));
1021 }
1022
1023 RADEON_WRITE(R600_SQ_CONFIG, sq_config);
1024 RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
1025 RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
1026 RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1027 RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1028 RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1029
1030 if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
1031 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
1032 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
1033 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
1034 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_TC_ONLY));
1035 else
1036 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_VC_AND_TC));
1037
1038 RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_2S, (R600_S0_X(0xc) |
1039 R600_S0_Y(0x4) |
1040 R600_S1_X(0x4) |
1041 R600_S1_Y(0xc)));
1042 RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_4S, (R600_S0_X(0xe) |
1043 R600_S0_Y(0xe) |
1044 R600_S1_X(0x2) |
1045 R600_S1_Y(0x2) |
1046 R600_S2_X(0xa) |
1047 R600_S2_Y(0x6) |
1048 R600_S3_X(0x6) |
1049 R600_S3_Y(0xa)));
1050 RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD0, (R600_S0_X(0xe) |
1051 R600_S0_Y(0xb) |
1052 R600_S1_X(0x4) |
1053 R600_S1_Y(0xc) |
1054 R600_S2_X(0x1) |
1055 R600_S2_Y(0x6) |
1056 R600_S3_X(0xa) |
1057 R600_S3_Y(0xe)));
1058 RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD1, (R600_S4_X(0x6) |
1059 R600_S4_Y(0x1) |
1060 R600_S5_X(0x0) |
1061 R600_S5_Y(0x0) |
1062 R600_S6_X(0xb) |
1063 R600_S6_Y(0x4) |
1064 R600_S7_X(0x7) |
1065 R600_S7_Y(0x8)));
1066
1067
1068 switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1069 case CHIP_R600:
1070 case CHIP_RV630:
1071 case CHIP_RV635:
1072 gs_prim_buffer_depth = 0;
1073 break;
1074 case CHIP_RV610:
1075 case CHIP_RS780:
1076 case CHIP_RS880:
1077 case CHIP_RV620:
1078 gs_prim_buffer_depth = 32;
1079 break;
1080 case CHIP_RV670:
1081 gs_prim_buffer_depth = 128;
1082 break;
1083 default:
1084 break;
1085 }
1086
1087 num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
1088 vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1089 /* Max value for this is 256 */
1090 if (vgt_gs_per_es > 256)
1091 vgt_gs_per_es = 256;
1092
1093 RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
1094 RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
1095 RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
1096 RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
1097
1098 /* more default values. 2D/3D driver should adjust as needed */
1099 RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
1100 RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
1101 RADEON_WRITE(R600_SX_MISC, 0);
1102 RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
1103 RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
1104 RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
1105 RADEON_WRITE(R600_SPI_INPUT_Z, 0);
1106 RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
1107 RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
1108
1109 /* clear render buffer base addresses */
1110 RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
1111 RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
1112 RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
1113 RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
1114 RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
1115 RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
1116 RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
1117 RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
1118
1119 switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1120 case CHIP_RV610:
1121 case CHIP_RS780:
1122 case CHIP_RS880:
1123 case CHIP_RV620:
1124 tc_cntl = R600_TC_L2_SIZE(8);
1125 break;
1126 case CHIP_RV630:
1127 case CHIP_RV635:
1128 tc_cntl = R600_TC_L2_SIZE(4);
1129 break;
1130 case CHIP_R600:
1131 tc_cntl = R600_TC_L2_SIZE(0) | R600_L2_DISABLE_LATE_HIT;
1132 break;
1133 default:
1134 tc_cntl = R600_TC_L2_SIZE(0);
1135 break;
1136 }
1137
1138 RADEON_WRITE(R600_TC_CNTL, tc_cntl);
1139
1140 hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
1141 RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1142
1143 arb_pop = RADEON_READ(R600_ARB_POP);
1144 arb_pop |= R600_ENABLE_TC128;
1145 RADEON_WRITE(R600_ARB_POP, arb_pop);
1146
1147 RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
1148 RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
1149 R600_NUM_CLIP_SEQ(3)));
1150 RADEON_WRITE(R600_PA_SC_ENHANCE, R600_FORCE_EOV_MAX_CLK_CNT(4095));
1151
1152 }
1153
1154 static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
1155 u32 num_backends,
1156 u32 backend_disable_mask)
1157 {
1158 u32 backend_map = 0;
1159 u32 enabled_backends_mask;
1160 u32 enabled_backends_count;
1161 u32 cur_pipe;
1162 u32 swizzle_pipe[R7XX_MAX_PIPES];
1163 u32 cur_backend;
1164 u32 i;
1165
1166 if (num_tile_pipes > R7XX_MAX_PIPES)
1167 num_tile_pipes = R7XX_MAX_PIPES;
1168 if (num_tile_pipes < 1)
1169 num_tile_pipes = 1;
1170 if (num_backends > R7XX_MAX_BACKENDS)
1171 num_backends = R7XX_MAX_BACKENDS;
1172 if (num_backends < 1)
1173 num_backends = 1;
1174
1175 enabled_backends_mask = 0;
1176 enabled_backends_count = 0;
1177 for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
1178 if (((backend_disable_mask >> i) & 1) == 0) {
1179 enabled_backends_mask |= (1 << i);
1180 ++enabled_backends_count;
1181 }
1182 if (enabled_backends_count == num_backends)
1183 break;
1184 }
1185
1186 if (enabled_backends_count == 0) {
1187 enabled_backends_mask = 1;
1188 enabled_backends_count = 1;
1189 }
1190
1191 if (enabled_backends_count != num_backends)
1192 num_backends = enabled_backends_count;
1193
1194 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
1195 switch (num_tile_pipes) {
1196 case 1:
1197 swizzle_pipe[0] = 0;
1198 break;
1199 case 2:
1200 swizzle_pipe[0] = 0;
1201 swizzle_pipe[1] = 1;
1202 break;
1203 case 3:
1204 swizzle_pipe[0] = 0;
1205 swizzle_pipe[1] = 2;
1206 swizzle_pipe[2] = 1;
1207 break;
1208 case 4:
1209 swizzle_pipe[0] = 0;
1210 swizzle_pipe[1] = 2;
1211 swizzle_pipe[2] = 3;
1212 swizzle_pipe[3] = 1;
1213 break;
1214 case 5:
1215 swizzle_pipe[0] = 0;
1216 swizzle_pipe[1] = 2;
1217 swizzle_pipe[2] = 4;
1218 swizzle_pipe[3] = 1;
1219 swizzle_pipe[4] = 3;
1220 break;
1221 case 6:
1222 swizzle_pipe[0] = 0;
1223 swizzle_pipe[1] = 2;
1224 swizzle_pipe[2] = 4;
1225 swizzle_pipe[3] = 5;
1226 swizzle_pipe[4] = 3;
1227 swizzle_pipe[5] = 1;
1228 break;
1229 case 7:
1230 swizzle_pipe[0] = 0;
1231 swizzle_pipe[1] = 2;
1232 swizzle_pipe[2] = 4;
1233 swizzle_pipe[3] = 6;
1234 swizzle_pipe[4] = 3;
1235 swizzle_pipe[5] = 1;
1236 swizzle_pipe[6] = 5;
1237 break;
1238 case 8:
1239 swizzle_pipe[0] = 0;
1240 swizzle_pipe[1] = 2;
1241 swizzle_pipe[2] = 4;
1242 swizzle_pipe[3] = 6;
1243 swizzle_pipe[4] = 3;
1244 swizzle_pipe[5] = 1;
1245 swizzle_pipe[6] = 7;
1246 swizzle_pipe[7] = 5;
1247 break;
1248 }
1249
1250 cur_backend = 0;
1251 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1252 while (((1 << cur_backend) & enabled_backends_mask) == 0)
1253 cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
1254
1255 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
1256
1257 cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
1258 }
1259
1260 return backend_map;
1261 }
1262
1263 static void r700_gfx_init(struct drm_device *dev,
1264 drm_radeon_private_t *dev_priv)
1265 {
1266 int i, j, num_qd_pipes;
1267 u32 sx_debug_1;
1268 u32 smx_dc_ctl0;
1269 u32 num_gs_verts_per_thread;
1270 u32 vgt_gs_per_es;
1271 u32 gs_prim_buffer_depth = 0;
1272 u32 sq_ms_fifo_sizes;
1273 u32 sq_config;
1274 u32 sq_thread_resource_mgmt;
1275 u32 hdp_host_path_cntl;
1276 u32 sq_dyn_gpr_size_simd_ab_0;
1277 u32 backend_map;
1278 u32 gb_tiling_config = 0;
1279 u32 cc_rb_backend_disable = 0;
1280 u32 cc_gc_shader_pipe_config = 0;
1281 u32 mc_arb_ramcfg;
1282 u32 db_debug4;
1283
1284 /* setup chip specs */
1285 switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1286 case CHIP_RV770:
1287 dev_priv->r600_max_pipes = 4;
1288 dev_priv->r600_max_tile_pipes = 8;
1289 dev_priv->r600_max_simds = 10;
1290 dev_priv->r600_max_backends = 4;
1291 dev_priv->r600_max_gprs = 256;
1292 dev_priv->r600_max_threads = 248;
1293 dev_priv->r600_max_stack_entries = 512;
1294 dev_priv->r600_max_hw_contexts = 8;
1295 dev_priv->r600_max_gs_threads = 16 * 2;
1296 dev_priv->r600_sx_max_export_size = 128;
1297 dev_priv->r600_sx_max_export_pos_size = 16;
1298 dev_priv->r600_sx_max_export_smx_size = 112;
1299 dev_priv->r600_sq_num_cf_insts = 2;
1300
1301 dev_priv->r700_sx_num_of_sets = 7;
1302 dev_priv->r700_sc_prim_fifo_size = 0xF9;
1303 dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1304 dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1305 break;
1306 case CHIP_RV730:
1307 dev_priv->r600_max_pipes = 2;
1308 dev_priv->r600_max_tile_pipes = 4;
1309 dev_priv->r600_max_simds = 8;
1310 dev_priv->r600_max_backends = 2;
1311 dev_priv->r600_max_gprs = 128;
1312 dev_priv->r600_max_threads = 248;
1313 dev_priv->r600_max_stack_entries = 256;
1314 dev_priv->r600_max_hw_contexts = 8;
1315 dev_priv->r600_max_gs_threads = 16 * 2;
1316 dev_priv->r600_sx_max_export_size = 256;
1317 dev_priv->r600_sx_max_export_pos_size = 32;
1318 dev_priv->r600_sx_max_export_smx_size = 224;
1319 dev_priv->r600_sq_num_cf_insts = 2;
1320
1321 dev_priv->r700_sx_num_of_sets = 7;
1322 dev_priv->r700_sc_prim_fifo_size = 0xf9;
1323 dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1324 dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1325 if (dev_priv->r600_sx_max_export_pos_size > 16) {
1326 dev_priv->r600_sx_max_export_pos_size -= 16;
1327 dev_priv->r600_sx_max_export_smx_size += 16;
1328 }
1329 break;
1330 case CHIP_RV710:
1331 dev_priv->r600_max_pipes = 2;
1332 dev_priv->r600_max_tile_pipes = 2;
1333 dev_priv->r600_max_simds = 2;
1334 dev_priv->r600_max_backends = 1;
1335 dev_priv->r600_max_gprs = 256;
1336 dev_priv->r600_max_threads = 192;
1337 dev_priv->r600_max_stack_entries = 256;
1338 dev_priv->r600_max_hw_contexts = 4;
1339 dev_priv->r600_max_gs_threads = 8 * 2;
1340 dev_priv->r600_sx_max_export_size = 128;
1341 dev_priv->r600_sx_max_export_pos_size = 16;
1342 dev_priv->r600_sx_max_export_smx_size = 112;
1343 dev_priv->r600_sq_num_cf_insts = 1;
1344
1345 dev_priv->r700_sx_num_of_sets = 7;
1346 dev_priv->r700_sc_prim_fifo_size = 0x40;
1347 dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1348 dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1349 break;
1350 case CHIP_RV740:
1351 dev_priv->r600_max_pipes = 4;
1352 dev_priv->r600_max_tile_pipes = 4;
1353 dev_priv->r600_max_simds = 8;
1354 dev_priv->r600_max_backends = 4;
1355 dev_priv->r600_max_gprs = 256;
1356 dev_priv->r600_max_threads = 248;
1357 dev_priv->r600_max_stack_entries = 512;
1358 dev_priv->r600_max_hw_contexts = 8;
1359 dev_priv->r600_max_gs_threads = 16 * 2;
1360 dev_priv->r600_sx_max_export_size = 256;
1361 dev_priv->r600_sx_max_export_pos_size = 32;
1362 dev_priv->r600_sx_max_export_smx_size = 224;
1363 dev_priv->r600_sq_num_cf_insts = 2;
1364
1365 dev_priv->r700_sx_num_of_sets = 7;
1366 dev_priv->r700_sc_prim_fifo_size = 0x100;
1367 dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1368 dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1369
1370 if (dev_priv->r600_sx_max_export_pos_size > 16) {
1371 dev_priv->r600_sx_max_export_pos_size -= 16;
1372 dev_priv->r600_sx_max_export_smx_size += 16;
1373 }
1374 break;
1375 default:
1376 break;
1377 }
1378
1379 /* Initialize HDP */
1380 j = 0;
1381 for (i = 0; i < 32; i++) {
1382 RADEON_WRITE((0x2c14 + j), 0x00000000);
1383 RADEON_WRITE((0x2c18 + j), 0x00000000);
1384 RADEON_WRITE((0x2c1c + j), 0x00000000);
1385 RADEON_WRITE((0x2c20 + j), 0x00000000);
1386 RADEON_WRITE((0x2c24 + j), 0x00000000);
1387 j += 0x18;
1388 }
1389
1390 RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
1391
1392 /* setup tiling, simd, pipe config */
1393 mc_arb_ramcfg = RADEON_READ(R700_MC_ARB_RAMCFG);
1394
1395 switch (dev_priv->r600_max_tile_pipes) {
1396 case 1:
1397 gb_tiling_config |= R600_PIPE_TILING(0);
1398 break;
1399 case 2:
1400 gb_tiling_config |= R600_PIPE_TILING(1);
1401 break;
1402 case 4:
1403 gb_tiling_config |= R600_PIPE_TILING(2);
1404 break;
1405 case 8:
1406 gb_tiling_config |= R600_PIPE_TILING(3);
1407 break;
1408 default:
1409 break;
1410 }
1411
1412 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
1413 gb_tiling_config |= R600_BANK_TILING(1);
1414 else
1415 gb_tiling_config |= R600_BANK_TILING((mc_arb_ramcfg >> R700_NOOFBANK_SHIFT) & R700_NOOFBANK_MASK);
1416
1417 gb_tiling_config |= R600_GROUP_SIZE(0);
1418
1419 if (((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK) > 3) {
1420 gb_tiling_config |= R600_ROW_TILING(3);
1421 gb_tiling_config |= R600_SAMPLE_SPLIT(3);
1422 } else {
1423 gb_tiling_config |=
1424 R600_ROW_TILING(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
1425 gb_tiling_config |=
1426 R600_SAMPLE_SPLIT(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
1427 }
1428
1429 gb_tiling_config |= R600_BANK_SWAPS(1);
1430
1431 backend_map = r700_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
1432 dev_priv->r600_max_backends,
1433 (0xff << dev_priv->r600_max_backends) & 0xff);
1434 gb_tiling_config |= R600_BACKEND_MAP(backend_map);
1435
1436 cc_gc_shader_pipe_config =
1437 R600_INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R7XX_MAX_PIPES_MASK);
1438 cc_gc_shader_pipe_config |=
1439 R600_INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R7XX_MAX_SIMDS_MASK);
1440
1441 cc_rb_backend_disable =
1442 R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
1443
1444 RADEON_WRITE(R600_GB_TILING_CONFIG, gb_tiling_config);
1445 RADEON_WRITE(R600_DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1446 RADEON_WRITE(R600_HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1447
1448 RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
1449 RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1450 RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1451
1452 RADEON_WRITE(R700_CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
1453 RADEON_WRITE(R700_CGTS_SYS_TCC_DISABLE, 0);
1454 RADEON_WRITE(R700_CGTS_TCC_DISABLE, 0);
1455 RADEON_WRITE(R700_CGTS_USER_SYS_TCC_DISABLE, 0);
1456 RADEON_WRITE(R700_CGTS_USER_TCC_DISABLE, 0);
1457
1458 num_qd_pipes =
1459 R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
1460 RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
1461 RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
1462
1463 /* set HW defaults for 3D engine */
1464 RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
1465 R600_ROQ_IB2_START(0x2b)));
1466
1467 RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, R700_STQ_SPLIT(0x30));
1468
1469 RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
1470 R600_SYNC_GRADIENT |
1471 R600_SYNC_WALKER |
1472 R600_SYNC_ALIGNER));
1473
1474 sx_debug_1 = RADEON_READ(R700_SX_DEBUG_1);
1475 sx_debug_1 |= R700_ENABLE_NEW_SMX_ADDRESS;
1476 RADEON_WRITE(R700_SX_DEBUG_1, sx_debug_1);
1477
1478 smx_dc_ctl0 = RADEON_READ(R600_SMX_DC_CTL0);
1479 smx_dc_ctl0 &= ~R700_CACHE_DEPTH(0x1ff);
1480 smx_dc_ctl0 |= R700_CACHE_DEPTH((dev_priv->r700_sx_num_of_sets * 64) - 1);
1481 RADEON_WRITE(R600_SMX_DC_CTL0, smx_dc_ctl0);
1482
1483 RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
1484 R700_GS_FLUSH_CTL(4) |
1485 R700_ACK_FLUSH_CTL(3) |
1486 R700_SYNC_FLUSH_CTL));
1487
1488 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
1489 RADEON_WRITE(R700_DB_DEBUG3, R700_DB_CLK_OFF_DELAY(0x1f));
1490 else {
1491 db_debug4 = RADEON_READ(RV700_DB_DEBUG4);
1492 db_debug4 |= RV700_DISABLE_TILE_COVERED_FOR_PS_ITER;
1493 RADEON_WRITE(RV700_DB_DEBUG4, db_debug4);
1494 }
1495
1496 RADEON_WRITE(R600_SX_EXPORT_BUFFER_SIZES, (R600_COLOR_BUFFER_SIZE((dev_priv->r600_sx_max_export_size / 4) - 1) |
1497 R600_POSITION_BUFFER_SIZE((dev_priv->r600_sx_max_export_pos_size / 4) - 1) |
1498 R600_SMX_BUFFER_SIZE((dev_priv->r600_sx_max_export_smx_size / 4) - 1)));
1499
1500 RADEON_WRITE(R700_PA_SC_FIFO_SIZE_R7XX, (R700_SC_PRIM_FIFO_SIZE(dev_priv->r700_sc_prim_fifo_size) |
1501 R700_SC_HIZ_TILE_FIFO_SIZE(dev_priv->r700_sc_hiz_tile_fifo_size) |
1502 R700_SC_EARLYZ_TILE_FIFO_SIZE(dev_priv->r700_sc_earlyz_tile_fifo_fize)));
1503
1504 RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
1505
1506 RADEON_WRITE(R600_VGT_NUM_INSTANCES, 1);
1507
1508 RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
1509
1510 RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(4));
1511
1512 RADEON_WRITE(R600_CP_PERFMON_CNTL, 0);
1513
1514 sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(16 * dev_priv->r600_sq_num_cf_insts) |
1515 R600_DONE_FIFO_HIWATER(0xe0) |
1516 R600_ALU_UPDATE_FIFO_HIWATER(0x8));
1517 switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1518 case CHIP_RV770:
1519 sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
1520 break;
1521 case CHIP_RV730:
1522 case CHIP_RV710:
1523 case CHIP_RV740:
1524 default:
1525 sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4);
1526 break;
1527 }
1528 RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
1529
1530 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1531 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
1532 */
1533 sq_config = RADEON_READ(R600_SQ_CONFIG);
1534 sq_config &= ~(R600_PS_PRIO(3) |
1535 R600_VS_PRIO(3) |
1536 R600_GS_PRIO(3) |
1537 R600_ES_PRIO(3));
1538 sq_config |= (R600_DX9_CONSTS |
1539 R600_VC_ENABLE |
1540 R600_EXPORT_SRC_C |
1541 R600_PS_PRIO(0) |
1542 R600_VS_PRIO(1) |
1543 R600_GS_PRIO(2) |
1544 R600_ES_PRIO(3));
1545 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
1546 /* no vertex cache */
1547 sq_config &= ~R600_VC_ENABLE;
1548
1549 RADEON_WRITE(R600_SQ_CONFIG, sq_config);
1550
1551 RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1, (R600_NUM_PS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
1552 R600_NUM_VS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
1553 R600_NUM_CLAUSE_TEMP_GPRS(((dev_priv->r600_max_gprs * 24)/64)/2)));
1554
1555 RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2, (R600_NUM_GS_GPRS((dev_priv->r600_max_gprs * 7)/64) |
1556 R600_NUM_ES_GPRS((dev_priv->r600_max_gprs * 7)/64)));
1557
1558 sq_thread_resource_mgmt = (R600_NUM_PS_THREADS((dev_priv->r600_max_threads * 4)/8) |
1559 R600_NUM_VS_THREADS((dev_priv->r600_max_threads * 2)/8) |
1560 R600_NUM_ES_THREADS((dev_priv->r600_max_threads * 1)/8));
1561 if (((dev_priv->r600_max_threads * 1) / 8) > dev_priv->r600_max_gs_threads)
1562 sq_thread_resource_mgmt |= R600_NUM_GS_THREADS(dev_priv->r600_max_gs_threads);
1563 else
1564 sq_thread_resource_mgmt |= R600_NUM_GS_THREADS((dev_priv->r600_max_gs_threads * 1)/8);
1565 RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1566
1567 RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, (R600_NUM_PS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
1568 R600_NUM_VS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
1569
1570 RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, (R600_NUM_GS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
1571 R600_NUM_ES_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
1572
1573 sq_dyn_gpr_size_simd_ab_0 = (R700_SIMDA_RING0((dev_priv->r600_max_gprs * 38)/64) |
1574 R700_SIMDA_RING1((dev_priv->r600_max_gprs * 38)/64) |
1575 R700_SIMDB_RING0((dev_priv->r600_max_gprs * 38)/64) |
1576 R700_SIMDB_RING1((dev_priv->r600_max_gprs * 38)/64));
1577
1578 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
1579 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
1580 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
1581 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
1582 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
1583 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
1584 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
1585 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
1586
1587 RADEON_WRITE(R700_PA_SC_FORCE_EOV_MAX_CNTS, (R700_FORCE_EOV_MAX_CLK_CNT(4095) |
1588 R700_FORCE_EOV_MAX_REZ_CNT(255)));
1589
1590 if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
1591 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_TC_ONLY) |
1592 R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
1593 else
1594 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_VC_AND_TC) |
1595 R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
1596
1597 switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1598 case CHIP_RV770:
1599 case CHIP_RV730:
1600 case CHIP_RV740:
1601 gs_prim_buffer_depth = 384;
1602 break;
1603 case CHIP_RV710:
1604 gs_prim_buffer_depth = 128;
1605 break;
1606 default:
1607 break;
1608 }
1609
1610 num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
1611 vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1612 /* Max value for this is 256 */
1613 if (vgt_gs_per_es > 256)
1614 vgt_gs_per_es = 256;
1615
1616 RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
1617 RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
1618 RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
1619
1620 /* more default values. 2D/3D driver should adjust as needed */
1621 RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
1622 RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
1623 RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
1624 RADEON_WRITE(R600_SX_MISC, 0);
1625 RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
1626 RADEON_WRITE(R700_PA_SC_EDGERULE, 0xaaaaaaaa);
1627 RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
1628 RADEON_WRITE(R600_PA_SC_CLIPRECT_RULE, 0xffff);
1629 RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
1630 RADEON_WRITE(R600_SPI_INPUT_Z, 0);
1631 RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
1632 RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
1633
1634 /* clear render buffer base addresses */
1635 RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
1636 RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
1637 RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
1638 RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
1639 RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
1640 RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
1641 RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
1642 RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
1643
1644 RADEON_WRITE(R700_TCP_CNTL, 0);
1645
1646 hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
1647 RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1648
1649 RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
1650
1651 RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
1652 R600_NUM_CLIP_SEQ(3)));
1653
1654 }
1655
1656 static void r600_cp_init_ring_buffer(struct drm_device *dev,
1657 drm_radeon_private_t *dev_priv,
1658 struct drm_file *file_priv)
1659 {
1660 struct drm_radeon_master_private *master_priv;
1661 u32 ring_start;
1662 u64 rptr_addr;
1663
1664 if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
1665 r700_gfx_init(dev, dev_priv);
1666 else
1667 r600_gfx_init(dev, dev_priv);
1668
1669 RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
1670 RADEON_READ(R600_GRBM_SOFT_RESET);
1671 DRM_UDELAY(15000);
1672 RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
1673
1674
1675 /* Set ring buffer size */
1676 #ifdef __BIG_ENDIAN
1677 RADEON_WRITE(R600_CP_RB_CNTL,
1678 RADEON_BUF_SWAP_32BIT |
1679 RADEON_RB_NO_UPDATE |
1680 (dev_priv->ring.rptr_update_l2qw << 8) |
1681 dev_priv->ring.size_l2qw);
1682 #else
1683 RADEON_WRITE(R600_CP_RB_CNTL,
1684 RADEON_RB_NO_UPDATE |
1685 (dev_priv->ring.rptr_update_l2qw << 8) |
1686 dev_priv->ring.size_l2qw);
1687 #endif
1688
1689 RADEON_WRITE(R600_CP_SEM_WAIT_TIMER, 0x4);
1690
1691 /* Set the write pointer delay */
1692 RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
1693
1694 #ifdef __BIG_ENDIAN
1695 RADEON_WRITE(R600_CP_RB_CNTL,
1696 RADEON_BUF_SWAP_32BIT |
1697 RADEON_RB_NO_UPDATE |
1698 RADEON_RB_RPTR_WR_ENA |
1699 (dev_priv->ring.rptr_update_l2qw << 8) |
1700 dev_priv->ring.size_l2qw);
1701 #else
1702 RADEON_WRITE(R600_CP_RB_CNTL,
1703 RADEON_RB_NO_UPDATE |
1704 RADEON_RB_RPTR_WR_ENA |
1705 (dev_priv->ring.rptr_update_l2qw << 8) |
1706 dev_priv->ring.size_l2qw);
1707 #endif
1708
1709 /* Initialize the ring buffer's read and write pointers */
1710 RADEON_WRITE(R600_CP_RB_RPTR_WR, 0);
1711 RADEON_WRITE(R600_CP_RB_WPTR, 0);
1712 SET_RING_HEAD(dev_priv, 0);
1713 dev_priv->ring.tail = 0;
1714
1715 #if __OS_HAS_AGP
1716 if (dev_priv->flags & RADEON_IS_AGP) {
1717 rptr_addr = dev_priv->ring_rptr->offset
1718 - dev->agp->base +
1719 dev_priv->gart_vm_start;
1720 } else
1721 #endif
1722 {
1723 rptr_addr = dev_priv->ring_rptr->offset
1724 - ((unsigned long) dev->sg->virtual)
1725 + dev_priv->gart_vm_start;
1726 }
1727 RADEON_WRITE(R600_CP_RB_RPTR_ADDR,
1728 rptr_addr & 0xffffffff);
1729 RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI,
1730 upper_32_bits(rptr_addr));
1731
1732 #ifdef __BIG_ENDIAN
1733 RADEON_WRITE(R600_CP_RB_CNTL,
1734 RADEON_BUF_SWAP_32BIT |
1735 (dev_priv->ring.rptr_update_l2qw << 8) |
1736 dev_priv->ring.size_l2qw);
1737 #else
1738 RADEON_WRITE(R600_CP_RB_CNTL,
1739 (dev_priv->ring.rptr_update_l2qw << 8) |
1740 dev_priv->ring.size_l2qw);
1741 #endif
1742
1743 #if __OS_HAS_AGP
1744 if (dev_priv->flags & RADEON_IS_AGP) {
1745 /* XXX */
1746 radeon_write_agp_base(dev_priv, dev->agp->base);
1747
1748 /* XXX */
1749 radeon_write_agp_location(dev_priv,
1750 (((dev_priv->gart_vm_start - 1 +
1751 dev_priv->gart_size) & 0xffff0000) |
1752 (dev_priv->gart_vm_start >> 16)));
1753
1754 ring_start = (dev_priv->cp_ring->offset
1755 - dev->agp->base
1756 + dev_priv->gart_vm_start);
1757 } else
1758 #endif
1759 ring_start = (dev_priv->cp_ring->offset
1760 - (unsigned long)dev->sg->virtual
1761 + dev_priv->gart_vm_start);
1762
1763 RADEON_WRITE(R600_CP_RB_BASE, ring_start >> 8);
1764
1765 RADEON_WRITE(R600_CP_ME_CNTL, 0xff);
1766
1767 RADEON_WRITE(R600_CP_DEBUG, (1 << 27) | (1 << 28));
1768
1769 /* Initialize the scratch register pointer. This will cause
1770 * the scratch register values to be written out to memory
1771 * whenever they are updated.
1772 *
1773 * We simply put this behind the ring read pointer, this works
1774 * with PCI GART as well as (whatever kind of) AGP GART
1775 */
1776 {
1777 u64 scratch_addr;
1778
1779 scratch_addr = RADEON_READ(R600_CP_RB_RPTR_ADDR);
1780 scratch_addr |= ((u64)RADEON_READ(R600_CP_RB_RPTR_ADDR_HI)) << 32;
1781 scratch_addr += R600_SCRATCH_REG_OFFSET;
1782 scratch_addr >>= 8;
1783 scratch_addr &= 0xffffffff;
1784
1785 RADEON_WRITE(R600_SCRATCH_ADDR, (uint32_t)scratch_addr);
1786 }
1787
1788 RADEON_WRITE(R600_SCRATCH_UMSK, 0x7);
1789
1790 /* Turn on bus mastering */
1791 radeon_enable_bm(dev_priv);
1792
1793 radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(0), 0);
1794 RADEON_WRITE(R600_LAST_FRAME_REG, 0);
1795
1796 radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
1797 RADEON_WRITE(R600_LAST_DISPATCH_REG, 0);
1798
1799 radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(2), 0);
1800 RADEON_WRITE(R600_LAST_CLEAR_REG, 0);
1801
1802 /* reset sarea copies of these */
1803 master_priv = file_priv->master->driver_priv;
1804 if (master_priv->sarea_priv) {
1805 master_priv->sarea_priv->last_frame = 0;
1806 master_priv->sarea_priv->last_dispatch = 0;
1807 master_priv->sarea_priv->last_clear = 0;
1808 }
1809
1810 r600_do_wait_for_idle(dev_priv);
1811
1812 }
1813
1814 int r600_do_cleanup_cp(struct drm_device *dev)
1815 {
1816 drm_radeon_private_t *dev_priv = dev->dev_private;
1817 DRM_DEBUG("\n");
1818
1819 /* Make sure interrupts are disabled here because the uninstall ioctl
1820 * may not have been called from userspace and after dev_private
1821 * is freed, it's too late.
1822 */
1823 if (dev->irq_enabled)
1824 drm_irq_uninstall(dev);
1825
1826 #if __OS_HAS_AGP
1827 if (dev_priv->flags & RADEON_IS_AGP) {
1828 if (dev_priv->cp_ring != NULL) {
1829 drm_core_ioremapfree(dev_priv->cp_ring, dev);
1830 dev_priv->cp_ring = NULL;
1831 }
1832 if (dev_priv->ring_rptr != NULL) {
1833 drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1834 dev_priv->ring_rptr = NULL;
1835 }
1836 if (dev->agp_buffer_map != NULL) {
1837 drm_core_ioremapfree(dev->agp_buffer_map, dev);
1838 dev->agp_buffer_map = NULL;
1839 }
1840 } else
1841 #endif
1842 {
1843
1844 if (dev_priv->gart_info.bus_addr)
1845 r600_page_table_cleanup(dev, &dev_priv->gart_info);
1846
1847 if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) {
1848 drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
1849 dev_priv->gart_info.addr = NULL;
1850 }
1851 }
1852 /* only clear to the start of flags */
1853 memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1854
1855 return 0;
1856 }
1857
1858 int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
1859 struct drm_file *file_priv)
1860 {
1861 drm_radeon_private_t *dev_priv = dev->dev_private;
1862 struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
1863
1864 DRM_DEBUG("\n");
1865
1866 mutex_init(&dev_priv->cs_mutex);
1867 r600_cs_legacy_init();
1868 /* if we require new memory map but we don't have it fail */
1869 if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
1870 DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
1871 r600_do_cleanup_cp(dev);
1872 return -EINVAL;
1873 }
1874
1875 if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
1876 DRM_DEBUG("Forcing AGP card to PCI mode\n");
1877 dev_priv->flags &= ~RADEON_IS_AGP;
1878 /* The writeback test succeeds, but when writeback is enabled,
1879 * the ring buffer read ptr update fails after first 128 bytes.
1880 */
1881 radeon_no_wb = 1;
1882 } else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
1883 && !init->is_pci) {
1884 DRM_DEBUG("Restoring AGP flag\n");
1885 dev_priv->flags |= RADEON_IS_AGP;
1886 }
1887
1888 dev_priv->usec_timeout = init->usec_timeout;
1889 if (dev_priv->usec_timeout < 1 ||
1890 dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
1891 DRM_DEBUG("TIMEOUT problem!\n");
1892 r600_do_cleanup_cp(dev);
1893 return -EINVAL;
1894 }
1895
1896 /* Enable vblank on CRTC1 for older X servers
1897 */
1898 dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
1899 dev_priv->do_boxes = 0;
1900 dev_priv->cp_mode = init->cp_mode;
1901
1902 /* We don't support anything other than bus-mastering ring mode,
1903 * but the ring can be in either AGP or PCI space for the ring
1904 * read pointer.
1905 */
1906 if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
1907 (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
1908 DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
1909 r600_do_cleanup_cp(dev);
1910 return -EINVAL;
1911 }
1912
1913 switch (init->fb_bpp) {
1914 case 16:
1915 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
1916 break;
1917 case 32:
1918 default:
1919 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
1920 break;
1921 }
1922 dev_priv->front_offset = init->front_offset;
1923 dev_priv->front_pitch = init->front_pitch;
1924 dev_priv->back_offset = init->back_offset;
1925 dev_priv->back_pitch = init->back_pitch;
1926
1927 dev_priv->ring_offset = init->ring_offset;
1928 dev_priv->ring_rptr_offset = init->ring_rptr_offset;
1929 dev_priv->buffers_offset = init->buffers_offset;
1930 dev_priv->gart_textures_offset = init->gart_textures_offset;
1931
1932 master_priv->sarea = drm_getsarea(dev);
1933 if (!master_priv->sarea) {
1934 DRM_ERROR("could not find sarea!\n");
1935 r600_do_cleanup_cp(dev);
1936 return -EINVAL;
1937 }
1938
1939 dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
1940 if (!dev_priv->cp_ring) {
1941 DRM_ERROR("could not find cp ring region!\n");
1942 r600_do_cleanup_cp(dev);
1943 return -EINVAL;
1944 }
1945 dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
1946 if (!dev_priv->ring_rptr) {
1947 DRM_ERROR("could not find ring read pointer!\n");
1948 r600_do_cleanup_cp(dev);
1949 return -EINVAL;
1950 }
1951 dev->agp_buffer_token = init->buffers_offset;
1952 dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
1953 if (!dev->agp_buffer_map) {
1954 DRM_ERROR("could not find dma buffer region!\n");
1955 r600_do_cleanup_cp(dev);
1956 return -EINVAL;
1957 }
1958
1959 if (init->gart_textures_offset) {
1960 dev_priv->gart_textures =
1961 drm_core_findmap(dev, init->gart_textures_offset);
1962 if (!dev_priv->gart_textures) {
1963 DRM_ERROR("could not find GART texture region!\n");
1964 r600_do_cleanup_cp(dev);
1965 return -EINVAL;
1966 }
1967 }
1968
1969 #if __OS_HAS_AGP
1970 /* XXX */
1971 if (dev_priv->flags & RADEON_IS_AGP) {
1972 drm_core_ioremap_wc(dev_priv->cp_ring, dev);
1973 drm_core_ioremap_wc(dev_priv->ring_rptr, dev);
1974 drm_core_ioremap_wc(dev->agp_buffer_map, dev);
1975 if (!dev_priv->cp_ring->handle ||
1976 !dev_priv->ring_rptr->handle ||
1977 !dev->agp_buffer_map->handle) {
1978 DRM_ERROR("could not find ioremap agp regions!\n");
1979 r600_do_cleanup_cp(dev);
1980 return -EINVAL;
1981 }
1982 } else
1983 #endif
1984 {
1985 dev_priv->cp_ring->handle = (void *)(unsigned long)dev_priv->cp_ring->offset;
1986 dev_priv->ring_rptr->handle =
1987 (void *)(unsigned long)dev_priv->ring_rptr->offset;
1988 dev->agp_buffer_map->handle =
1989 (void *)(unsigned long)dev->agp_buffer_map->offset;
1990
1991 DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
1992 dev_priv->cp_ring->handle);
1993 DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
1994 dev_priv->ring_rptr->handle);
1995 DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
1996 dev->agp_buffer_map->handle);
1997 }
1998
1999 dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 24;
2000 dev_priv->fb_size =
2001 (((radeon_read_fb_location(dev_priv) & 0xffff0000u) << 8) + 0x1000000)
2002 - dev_priv->fb_location;
2003
2004 dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
2005 ((dev_priv->front_offset
2006 + dev_priv->fb_location) >> 10));
2007
2008 dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
2009 ((dev_priv->back_offset
2010 + dev_priv->fb_location) >> 10));
2011
2012 dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
2013 ((dev_priv->depth_offset
2014 + dev_priv->fb_location) >> 10));
2015
2016 dev_priv->gart_size = init->gart_size;
2017
2018 /* New let's set the memory map ... */
2019 if (dev_priv->new_memmap) {
2020 u32 base = 0;
2021
2022 DRM_INFO("Setting GART location based on new memory map\n");
2023
2024 /* If using AGP, try to locate the AGP aperture at the same
2025 * location in the card and on the bus, though we have to
2026 * align it down.
2027 */
2028 #if __OS_HAS_AGP
2029 /* XXX */
2030 if (dev_priv->flags & RADEON_IS_AGP) {
2031 base = dev->agp->base;
2032 /* Check if valid */
2033 if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
2034 base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
2035 DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
2036 dev->agp->base);
2037 base = 0;
2038 }
2039 }
2040 #endif
2041 /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
2042 if (base == 0) {
2043 base = dev_priv->fb_location + dev_priv->fb_size;
2044 if (base < dev_priv->fb_location ||
2045 ((base + dev_priv->gart_size) & 0xfffffffful) < base)
2046 base = dev_priv->fb_location
2047 - dev_priv->gart_size;
2048 }
2049 dev_priv->gart_vm_start = base & 0xffc00000u;
2050 if (dev_priv->gart_vm_start != base)
2051 DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
2052 base, dev_priv->gart_vm_start);
2053 }
2054
2055 #if __OS_HAS_AGP
2056 /* XXX */
2057 if (dev_priv->flags & RADEON_IS_AGP)
2058 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
2059 - dev->agp->base
2060 + dev_priv->gart_vm_start);
2061 else
2062 #endif
2063 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
2064 - (unsigned long)dev->sg->virtual
2065 + dev_priv->gart_vm_start);
2066
2067 DRM_DEBUG("fb 0x%08x size %d\n",
2068 (unsigned int) dev_priv->fb_location,
2069 (unsigned int) dev_priv->fb_size);
2070 DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
2071 DRM_DEBUG("dev_priv->gart_vm_start 0x%08x\n",
2072 (unsigned int) dev_priv->gart_vm_start);
2073 DRM_DEBUG("dev_priv->gart_buffers_offset 0x%08lx\n",
2074 dev_priv->gart_buffers_offset);
2075
2076 dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
2077 dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
2078 + init->ring_size / sizeof(u32));
2079 dev_priv->ring.size = init->ring_size;
2080 dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
2081
2082 dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
2083 dev_priv->ring.rptr_update_l2qw = drm_order(/* init->rptr_update */ 4096 / 8);
2084
2085 dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
2086 dev_priv->ring.fetch_size_l2ow = drm_order(/* init->fetch_size */ 32 / 16);
2087
2088 dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
2089
2090 dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
2091
2092 #if __OS_HAS_AGP
2093 if (dev_priv->flags & RADEON_IS_AGP) {
2094 /* XXX turn off pcie gart */
2095 } else
2096 #endif
2097 {
2098 dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
2099 /* if we have an offset set from userspace */
2100 if (!dev_priv->pcigart_offset_set) {
2101 DRM_ERROR("Need gart offset from userspace\n");
2102 r600_do_cleanup_cp(dev);
2103 return -EINVAL;
2104 }
2105
2106 DRM_DEBUG("Using gart offset 0x%08lx\n", dev_priv->pcigart_offset);
2107
2108 dev_priv->gart_info.bus_addr =
2109 dev_priv->pcigart_offset + dev_priv->fb_location;
2110 dev_priv->gart_info.mapping.offset =
2111 dev_priv->pcigart_offset + dev_priv->fb_aper_offset;
2112 dev_priv->gart_info.mapping.size =
2113 dev_priv->gart_info.table_size;
2114
2115 drm_core_ioremap_wc(&dev_priv->gart_info.mapping, dev);
2116 if (!dev_priv->gart_info.mapping.handle) {
2117 DRM_ERROR("ioremap failed.\n");
2118 r600_do_cleanup_cp(dev);
2119 return -EINVAL;
2120 }
2121
2122 dev_priv->gart_info.addr =
2123 dev_priv->gart_info.mapping.handle;
2124
2125 DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
2126 dev_priv->gart_info.addr,
2127 dev_priv->pcigart_offset);
2128
2129 if (!r600_page_table_init(dev)) {
2130 DRM_ERROR("Failed to init GART table\n");
2131 r600_do_cleanup_cp(dev);
2132 return -EINVAL;
2133 }
2134
2135 if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
2136 r700_vm_init(dev);
2137 else
2138 r600_vm_init(dev);
2139 }
2140
2141 if (!dev_priv->me_fw || !dev_priv->pfp_fw) {
2142 int err = r600_cp_init_microcode(dev_priv);
2143 if (err) {
2144 DRM_ERROR("Failed to load firmware!\n");
2145 r600_do_cleanup_cp(dev);
2146 return err;
2147 }
2148 }
2149 if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
2150 r700_cp_load_microcode(dev_priv);
2151 else
2152 r600_cp_load_microcode(dev_priv);
2153
2154 r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
2155
2156 dev_priv->last_buf = 0;
2157
2158 r600_do_engine_reset(dev);
2159 r600_test_writeback(dev_priv);
2160
2161 return 0;
2162 }
2163
2164 int r600_do_resume_cp(struct drm_device *dev, struct drm_file *file_priv)
2165 {
2166 drm_radeon_private_t *dev_priv = dev->dev_private;
2167
2168 DRM_DEBUG("\n");
2169 if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)) {
2170 r700_vm_init(dev);
2171 r700_cp_load_microcode(dev_priv);
2172 } else {
2173 r600_vm_init(dev);
2174 r600_cp_load_microcode(dev_priv);
2175 }
2176 r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
2177 r600_do_engine_reset(dev);
2178
2179 return 0;
2180 }
2181
2182 /* Wait for the CP to go idle.
2183 */
2184 int r600_do_cp_idle(drm_radeon_private_t *dev_priv)
2185 {
2186 RING_LOCALS;
2187 DRM_DEBUG("\n");
2188
2189 BEGIN_RING(5);
2190 OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
2191 OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
2192 /* wait for 3D idle clean */
2193 OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
2194 OUT_RING((R600_WAIT_UNTIL - R600_SET_CONFIG_REG_OFFSET) >> 2);
2195 OUT_RING(RADEON_WAIT_3D_IDLE | RADEON_WAIT_3D_IDLECLEAN);
2196
2197 ADVANCE_RING();
2198 COMMIT_RING();
2199
2200 return r600_do_wait_for_idle(dev_priv);
2201 }
2202
2203 /* Start the Command Processor.
2204 */
2205 void r600_do_cp_start(drm_radeon_private_t *dev_priv)
2206 {
2207 u32 cp_me;
2208 RING_LOCALS;
2209 DRM_DEBUG("\n");
2210
2211 BEGIN_RING(7);
2212 OUT_RING(CP_PACKET3(R600_IT_ME_INITIALIZE, 5));
2213 OUT_RING(0x00000001);
2214 if (((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV770))
2215 OUT_RING(0x00000003);
2216 else
2217 OUT_RING(0x00000000);
2218 OUT_RING((dev_priv->r600_max_hw_contexts - 1));
2219 OUT_RING(R600_ME_INITIALIZE_DEVICE_ID(1));
2220 OUT_RING(0x00000000);
2221 OUT_RING(0x00000000);
2222 ADVANCE_RING();
2223 COMMIT_RING();
2224
2225 /* set the mux and reset the halt bit */
2226 cp_me = 0xff;
2227 RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
2228
2229 dev_priv->cp_running = 1;
2230
2231 }
2232
2233 void r600_do_cp_reset(drm_radeon_private_t *dev_priv)
2234 {
2235 u32 cur_read_ptr;
2236 DRM_DEBUG("\n");
2237
2238 cur_read_ptr = RADEON_READ(R600_CP_RB_RPTR);
2239 RADEON_WRITE(R600_CP_RB_WPTR, cur_read_ptr);
2240 SET_RING_HEAD(dev_priv, cur_read_ptr);
2241 dev_priv->ring.tail = cur_read_ptr;
2242 }
2243
2244 void r600_do_cp_stop(drm_radeon_private_t *dev_priv)
2245 {
2246 uint32_t cp_me;
2247
2248 DRM_DEBUG("\n");
2249
2250 cp_me = 0xff | R600_CP_ME_HALT;
2251
2252 RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
2253
2254 dev_priv->cp_running = 0;
2255 }
2256
2257 int r600_cp_dispatch_indirect(struct drm_device *dev,
2258 struct drm_buf *buf, int start, int end)
2259 {
2260 drm_radeon_private_t *dev_priv = dev->dev_private;
2261 RING_LOCALS;
2262
2263 if (start != end) {
2264 unsigned long offset = (dev_priv->gart_buffers_offset
2265 + buf->offset + start);
2266 int dwords = (end - start + 3) / sizeof(u32);
2267
2268 DRM_DEBUG("dwords:%d\n", dwords);
2269 DRM_DEBUG("offset 0x%lx\n", offset);
2270
2271
2272 /* Indirect buffer data must be a multiple of 16 dwords.
2273 * pad the data with a Type-2 CP packet.
2274 */
2275 while (dwords & 0xf) {
2276 u32 *data = (u32 *)
2277 ((char *)dev->agp_buffer_map->handle
2278 + buf->offset + start);
2279 data[dwords++] = RADEON_CP_PACKET2;
2280 }
2281
2282 /* Fire off the indirect buffer */
2283 BEGIN_RING(4);
2284 OUT_RING(CP_PACKET3(R600_IT_INDIRECT_BUFFER, 2));
2285 OUT_RING((offset & 0xfffffffc));
2286 OUT_RING((upper_32_bits(offset) & 0xff));
2287 OUT_RING(dwords);
2288 ADVANCE_RING();
2289 }
2290
2291 return 0;
2292 }
2293
2294 void r600_cp_dispatch_swap(struct drm_device *dev, struct drm_file *file_priv)
2295 {
2296 drm_radeon_private_t *dev_priv = dev->dev_private;
2297 struct drm_master *master = file_priv->master;
2298 struct drm_radeon_master_private *master_priv = master->driver_priv;
2299 drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv;
2300 int nbox = sarea_priv->nbox;
2301 struct drm_clip_rect *pbox = sarea_priv->boxes;
2302 int i, cpp, src_pitch, dst_pitch;
2303 uint64_t src, dst;
2304 RING_LOCALS;
2305 DRM_DEBUG("\n");
2306
2307 if (dev_priv->color_fmt == RADEON_COLOR_FORMAT_ARGB8888)
2308 cpp = 4;
2309 else
2310 cpp = 2;
2311
2312 if (sarea_priv->pfCurrentPage == 0) {
2313 src_pitch = dev_priv->back_pitch;
2314 dst_pitch = dev_priv->front_pitch;
2315 src = dev_priv->back_offset + dev_priv->fb_location;
2316 dst = dev_priv->front_offset + dev_priv->fb_location;
2317 } else {
2318 src_pitch = dev_priv->front_pitch;
2319 dst_pitch = dev_priv->back_pitch;
2320 src = dev_priv->front_offset + dev_priv->fb_location;
2321 dst = dev_priv->back_offset + dev_priv->fb_location;
2322 }
2323
2324 if (r600_prepare_blit_copy(dev, file_priv)) {
2325 DRM_ERROR("unable to allocate vertex buffer for swap buffer\n");
2326 return;
2327 }
2328 for (i = 0; i < nbox; i++) {
2329 int x = pbox[i].x1;
2330 int y = pbox[i].y1;
2331 int w = pbox[i].x2 - x;
2332 int h = pbox[i].y2 - y;
2333
2334 DRM_DEBUG("%d,%d-%d,%d\n", x, y, w, h);
2335
2336 r600_blit_swap(dev,
2337 src, dst,
2338 x, y, x, y, w, h,
2339 src_pitch, dst_pitch, cpp);
2340 }
2341 r600_done_blit_copy(dev);
2342
2343 /* Increment the frame counter. The client-side 3D driver must
2344 * throttle the framerate by waiting for this value before
2345 * performing the swapbuffer ioctl.
2346 */
2347 sarea_priv->last_frame++;
2348
2349 BEGIN_RING(3);
2350 R600_FRAME_AGE(sarea_priv->last_frame);
2351 ADVANCE_RING();
2352 }
2353
2354 int r600_cp_dispatch_texture(struct drm_device *dev,
2355 struct drm_file *file_priv,
2356 drm_radeon_texture_t *tex,
2357 drm_radeon_tex_image_t *image)
2358 {
2359 drm_radeon_private_t *dev_priv = dev->dev_private;
2360 struct drm_buf *buf;
2361 u32 *buffer;
2362 const u8 __user *data;
2363 int size, pass_size;
2364 u64 src_offset, dst_offset;
2365
2366 if (!radeon_check_offset(dev_priv, tex->offset)) {
2367 DRM_ERROR("Invalid destination offset\n");
2368 return -EINVAL;
2369 }
2370
2371 /* this might fail for zero-sized uploads - are those illegal? */
2372 if (!radeon_check_offset(dev_priv, tex->offset + tex->height * tex->pitch - 1)) {
2373 DRM_ERROR("Invalid final destination offset\n");
2374 return -EINVAL;
2375 }
2376
2377 size = tex->height * tex->pitch;
2378
2379 if (size == 0)
2380 return 0;
2381
2382 dst_offset = tex->offset;
2383
2384 if (r600_prepare_blit_copy(dev, file_priv)) {
2385 DRM_ERROR("unable to allocate vertex buffer for swap buffer\n");
2386 return -EAGAIN;
2387 }
2388 do {
2389 data = (const u8 __user *)image->data;
2390 pass_size = size;
2391
2392 buf = radeon_freelist_get(dev);
2393 if (!buf) {
2394 DRM_DEBUG("EAGAIN\n");
2395 if (DRM_COPY_TO_USER(tex->image, image, sizeof(*image)))
2396 return -EFAULT;
2397 return -EAGAIN;
2398 }
2399
2400 if (pass_size > buf->total)
2401 pass_size = buf->total;
2402
2403 /* Dispatch the indirect buffer.
2404 */
2405 buffer =
2406 (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
2407
2408 if (DRM_COPY_FROM_USER(buffer, data, pass_size)) {
2409 DRM_ERROR("EFAULT on pad, %d bytes\n", pass_size);
2410 return -EFAULT;
2411 }
2412
2413 buf->file_priv = file_priv;
2414 buf->used = pass_size;
2415 src_offset = dev_priv->gart_buffers_offset + buf->offset;
2416
2417 r600_blit_copy(dev, src_offset, dst_offset, pass_size);
2418
2419 radeon_cp_discard_buffer(dev, file_priv->master, buf);
2420
2421 /* Update the input parameters for next time */
2422 image->data = (const u8 __user *)image->data + pass_size;
2423 dst_offset += pass_size;
2424 size -= pass_size;
2425 } while (size > 0);
2426 r600_done_blit_copy(dev);
2427
2428 return 0;
2429 }
2430
2431 /*
2432 * Legacy cs ioctl
2433 */
2434 static u32 radeon_cs_id_get(struct drm_radeon_private *radeon)
2435 {
2436 /* FIXME: check if wrap affect last reported wrap & sequence */
2437 radeon->cs_id_scnt = (radeon->cs_id_scnt + 1) & 0x00FFFFFF;
2438 if (!radeon->cs_id_scnt) {
2439 /* increment wrap counter */
2440 radeon->cs_id_wcnt += 0x01000000;
2441 /* valid sequence counter start at 1 */
2442 radeon->cs_id_scnt = 1;
2443 }
2444 return (radeon->cs_id_scnt | radeon->cs_id_wcnt);
2445 }
2446
2447 static void r600_cs_id_emit(drm_radeon_private_t *dev_priv, u32 *id)
2448 {
2449 RING_LOCALS;
2450
2451 *id = radeon_cs_id_get(dev_priv);
2452
2453 /* SCRATCH 2 */
2454 BEGIN_RING(3);
2455 R600_CLEAR_AGE(*id);
2456 ADVANCE_RING();
2457 COMMIT_RING();
2458 }
2459
2460 static int r600_ib_get(struct drm_device *dev,
2461 struct drm_file *fpriv,
2462 struct drm_buf **buffer)
2463 {
2464 struct drm_buf *buf;
2465
2466 *buffer = NULL;
2467 buf = radeon_freelist_get(dev);
2468 if (!buf) {
2469 return -EBUSY;
2470 }
2471 buf->file_priv = fpriv;
2472 *buffer = buf;
2473 return 0;
2474 }
2475
2476 static void r600_ib_free(struct drm_device *dev, struct drm_buf *buf,
2477 struct drm_file *fpriv, int l, int r)
2478 {
2479 drm_radeon_private_t *dev_priv = dev->dev_private;
2480
2481 if (buf) {
2482 if (!r)
2483 r600_cp_dispatch_indirect(dev, buf, 0, l * 4);
2484 radeon_cp_discard_buffer(dev, fpriv->master, buf);
2485 COMMIT_RING();
2486 }
2487 }
2488
2489 int r600_cs_legacy_ioctl(struct drm_device *dev, void *data, struct drm_file *fpriv)
2490 {
2491 struct drm_radeon_private *dev_priv = dev->dev_private;
2492 struct drm_radeon_cs *cs = data;
2493 struct drm_buf *buf;
2494 unsigned family;
2495 int l, r = 0;
2496 u32 *ib, cs_id = 0;
2497
2498 if (dev_priv == NULL) {
2499 DRM_ERROR("called with no initialization\n");
2500 return -EINVAL;
2501 }
2502 family = dev_priv->flags & RADEON_FAMILY_MASK;
2503 if (family < CHIP_R600) {
2504 DRM_ERROR("cs ioctl valid only for R6XX & R7XX in legacy mode\n");
2505 return -EINVAL;
2506 }
2507 mutex_lock(&dev_priv->cs_mutex);
2508 /* get ib */
2509 r = r600_ib_get(dev, fpriv, &buf);
2510 if (r) {
2511 DRM_ERROR("ib_get failed\n");
2512 goto out;
2513 }
2514 ib = dev->agp_buffer_map->handle + buf->offset;
2515 /* now parse command stream */
2516 r = r600_cs_legacy(dev, data, fpriv, family, ib, &l);
2517 if (r) {
2518 goto out;
2519 }
2520
2521 out:
2522 r600_ib_free(dev, buf, fpriv, l, r);
2523 /* emit cs id sequence */
2524 r600_cs_id_emit(dev_priv, &cs_id);
2525 cs->cs_id = cs_id;
2526 mutex_unlock(&dev_priv->cs_mutex);
2527 return r;
2528 }
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