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 <linux/module.h>
30 
31 #include "drmP.h"
32 #include "drm.h"
33 #include "radeon_drm.h"
34 #include "radeon_drv.h"
35 
36 #define PFP_UCODE_SIZE 576
37 #define PM4_UCODE_SIZE 1792
38 #define R700_PFP_UCODE_SIZE 848
39 #define R700_PM4_UCODE_SIZE 1360
40 
41 /* Firmware Names */
42 MODULE_FIRMWARE("radeon/R600_pfp.bin");
43 MODULE_FIRMWARE("radeon/R600_me.bin");
44 MODULE_FIRMWARE("radeon/RV610_pfp.bin");
45 MODULE_FIRMWARE("radeon/RV610_me.bin");
46 MODULE_FIRMWARE("radeon/RV630_pfp.bin");
47 MODULE_FIRMWARE("radeon/RV630_me.bin");
48 MODULE_FIRMWARE("radeon/RV620_pfp.bin");
49 MODULE_FIRMWARE("radeon/RV620_me.bin");
50 MODULE_FIRMWARE("radeon/RV635_pfp.bin");
51 MODULE_FIRMWARE("radeon/RV635_me.bin");
52 MODULE_FIRMWARE("radeon/RV670_pfp.bin");
53 MODULE_FIRMWARE("radeon/RV670_me.bin");
54 MODULE_FIRMWARE("radeon/RS780_pfp.bin");
55 MODULE_FIRMWARE("radeon/RS780_me.bin");
56 MODULE_FIRMWARE("radeon/RV770_pfp.bin");
57 MODULE_FIRMWARE("radeon/RV770_me.bin");
58 MODULE_FIRMWARE("radeon/RV730_pfp.bin");
59 MODULE_FIRMWARE("radeon/RV730_me.bin");
60 MODULE_FIRMWARE("radeon/RV710_pfp.bin");
61 MODULE_FIRMWARE("radeon/RV710_me.bin");
62 
63 
64 int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
65 			unsigned family, u32 *ib, int *l);
66 void r600_cs_legacy_init(void);
67 
68 
69 # define ATI_PCIGART_PAGE_SIZE		4096	/**< PCI GART page size */
70 # define ATI_PCIGART_PAGE_MASK		(~(ATI_PCIGART_PAGE_SIZE-1))
71 
72 #define R600_PTE_VALID     (1 << 0)
73 #define R600_PTE_SYSTEM    (1 << 1)
74 #define R600_PTE_SNOOPED   (1 << 2)
75 #define R600_PTE_READABLE  (1 << 5)
76 #define R600_PTE_WRITEABLE (1 << 6)
77 
78 /* MAX values used for gfx init */
79 #define R6XX_MAX_SH_GPRS           256
80 #define R6XX_MAX_TEMP_GPRS         16
81 #define R6XX_MAX_SH_THREADS        256
82 #define R6XX_MAX_SH_STACK_ENTRIES  4096
83 #define R6XX_MAX_BACKENDS          8
84 #define R6XX_MAX_BACKENDS_MASK     0xff
85 #define R6XX_MAX_SIMDS             8
86 #define R6XX_MAX_SIMDS_MASK        0xff
87 #define R6XX_MAX_PIPES             8
88 #define R6XX_MAX_PIPES_MASK        0xff
89 
90 #define R7XX_MAX_SH_GPRS           256
91 #define R7XX_MAX_TEMP_GPRS         16
92 #define R7XX_MAX_SH_THREADS        256
93 #define R7XX_MAX_SH_STACK_ENTRIES  4096
94 #define R7XX_MAX_BACKENDS          8
95 #define R7XX_MAX_BACKENDS_MASK     0xff
96 #define R7XX_MAX_SIMDS             16
97 #define R7XX_MAX_SIMDS_MASK        0xffff
98 #define R7XX_MAX_PIPES             8
99 #define R7XX_MAX_PIPES_MASK        0xff
100 
r600_do_wait_for_fifo(drm_radeon_private_t * dev_priv,int entries)101 static int r600_do_wait_for_fifo(drm_radeon_private_t *dev_priv, int entries)
102 {
103 	int i;
104 
105 	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
106 
107 	for (i = 0; i < dev_priv->usec_timeout; i++) {
108 		int slots;
109 		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
110 			slots = (RADEON_READ(R600_GRBM_STATUS)
111 				 & R700_CMDFIFO_AVAIL_MASK);
112 		else
113 			slots = (RADEON_READ(R600_GRBM_STATUS)
114 				 & R600_CMDFIFO_AVAIL_MASK);
115 		if (slots >= entries)
116 			return 0;
117 		DRM_UDELAY(1);
118 	}
119 	DRM_INFO("wait for fifo failed status : 0x%08X 0x%08X\n",
120 		 RADEON_READ(R600_GRBM_STATUS),
121 		 RADEON_READ(R600_GRBM_STATUS2));
122 
123 	return -EBUSY;
124 }
125 
r600_do_wait_for_idle(drm_radeon_private_t * dev_priv)126 static int r600_do_wait_for_idle(drm_radeon_private_t *dev_priv)
127 {
128 	int i, ret;
129 
130 	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
131 
132 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
133 		ret = r600_do_wait_for_fifo(dev_priv, 8);
134 	else
135 		ret = r600_do_wait_for_fifo(dev_priv, 16);
136 	if (ret)
137 		return ret;
138 	for (i = 0; i < dev_priv->usec_timeout; i++) {
139 		if (!(RADEON_READ(R600_GRBM_STATUS) & R600_GUI_ACTIVE))
140 			return 0;
141 		DRM_UDELAY(1);
142 	}
143 	DRM_INFO("wait idle failed status : 0x%08X 0x%08X\n",
144 		 RADEON_READ(R600_GRBM_STATUS),
145 		 RADEON_READ(R600_GRBM_STATUS2));
146 
147 	return -EBUSY;
148 }
149 
r600_page_table_cleanup(struct drm_device * dev,struct drm_ati_pcigart_info * gart_info)150 void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
151 {
152 	struct drm_sg_mem *entry = dev->sg;
153 	int max_pages;
154 	int pages;
155 	int i;
156 
157 	if (!entry)
158 		return;
159 
160 	if (gart_info->bus_addr) {
161 		max_pages = (gart_info->table_size / sizeof(u64));
162 		pages = (entry->pages <= max_pages)
163 		  ? entry->pages : max_pages;
164 
165 		for (i = 0; i < pages; i++) {
166 			if (!entry->busaddr[i])
167 				break;
168 			pci_unmap_page(dev->pdev, entry->busaddr[i],
169 				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
170 		}
171 		if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
172 			gart_info->bus_addr = 0;
173 	}
174 }
175 
176 /* R600 has page table setup */
r600_page_table_init(struct drm_device * dev)177 int r600_page_table_init(struct drm_device *dev)
178 {
179 	drm_radeon_private_t *dev_priv = dev->dev_private;
180 	struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info;
181 	struct drm_local_map *map = &gart_info->mapping;
182 	struct drm_sg_mem *entry = dev->sg;
183 	int ret = 0;
184 	int i, j;
185 	int pages;
186 	u64 page_base;
187 	dma_addr_t entry_addr;
188 	int max_ati_pages, max_real_pages, gart_idx;
189 
190 	/* okay page table is available - lets rock */
191 	max_ati_pages = (gart_info->table_size / sizeof(u64));
192 	max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE);
193 
194 	pages = (entry->pages <= max_real_pages) ?
195 		entry->pages : max_real_pages;
196 
197 	memset_io((void __iomem *)map->handle, 0, max_ati_pages * sizeof(u64));
198 
199 	gart_idx = 0;
200 	for (i = 0; i < pages; i++) {
201 		entry->busaddr[i] = pci_map_page(dev->pdev,
202 						 entry->pagelist[i], 0,
203 						 PAGE_SIZE,
204 						 PCI_DMA_BIDIRECTIONAL);
205 		if (pci_dma_mapping_error(dev->pdev, entry->busaddr[i])) {
206 			DRM_ERROR("unable to map PCIGART pages!\n");
207 			r600_page_table_cleanup(dev, gart_info);
208 			goto done;
209 		}
210 		entry_addr = entry->busaddr[i];
211 		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
212 			page_base = (u64) entry_addr & ATI_PCIGART_PAGE_MASK;
213 			page_base |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
214 			page_base |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
215 
216 			DRM_WRITE64(map, gart_idx * sizeof(u64), page_base);
217 
218 			gart_idx++;
219 
220 			if ((i % 128) == 0)
221 				DRM_DEBUG("page entry %d: 0x%016llx\n",
222 				    i, (unsigned long long)page_base);
223 			entry_addr += ATI_PCIGART_PAGE_SIZE;
224 		}
225 	}
226 	ret = 1;
227 done:
228 	return ret;
229 }
230 
r600_vm_flush_gart_range(struct drm_device * dev)231 static void r600_vm_flush_gart_range(struct drm_device *dev)
232 {
233 	drm_radeon_private_t *dev_priv = dev->dev_private;
234 	u32 resp, countdown = 1000;
235 	RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_LOW_ADDR, dev_priv->gart_vm_start >> 12);
236 	RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
237 	RADEON_WRITE(R600_VM_CONTEXT0_REQUEST_RESPONSE, 2);
238 
239 	do {
240 		resp = RADEON_READ(R600_VM_CONTEXT0_REQUEST_RESPONSE);
241 		countdown--;
242 		DRM_UDELAY(1);
243 	} while (((resp & 0xf0) == 0) && countdown);
244 }
245 
r600_vm_init(struct drm_device * dev)246 static void r600_vm_init(struct drm_device *dev)
247 {
248 	drm_radeon_private_t *dev_priv = dev->dev_private;
249 	/* initialise the VM to use the page table we constructed up there */
250 	u32 vm_c0, i;
251 	u32 mc_rd_a;
252 	u32 vm_l2_cntl, vm_l2_cntl3;
253 	/* okay set up the PCIE aperture type thingo */
254 	RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
255 	RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
256 	RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
257 
258 	/* setup MC RD a */
259 	mc_rd_a = R600_MCD_L1_TLB | R600_MCD_L1_FRAG_PROC | R600_MCD_SYSTEM_ACCESS_MODE_IN_SYS |
260 		R600_MCD_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | R600_MCD_EFFECTIVE_L1_TLB_SIZE(5) |
261 		R600_MCD_EFFECTIVE_L1_QUEUE_SIZE(5) | R600_MCD_WAIT_L2_QUERY;
262 
263 	RADEON_WRITE(R600_MCD_RD_A_CNTL, mc_rd_a);
264 	RADEON_WRITE(R600_MCD_RD_B_CNTL, mc_rd_a);
265 
266 	RADEON_WRITE(R600_MCD_WR_A_CNTL, mc_rd_a);
267 	RADEON_WRITE(R600_MCD_WR_B_CNTL, mc_rd_a);
268 
269 	RADEON_WRITE(R600_MCD_RD_GFX_CNTL, mc_rd_a);
270 	RADEON_WRITE(R600_MCD_WR_GFX_CNTL, mc_rd_a);
271 
272 	RADEON_WRITE(R600_MCD_RD_SYS_CNTL, mc_rd_a);
273 	RADEON_WRITE(R600_MCD_WR_SYS_CNTL, mc_rd_a);
274 
275 	RADEON_WRITE(R600_MCD_RD_HDP_CNTL, mc_rd_a | R600_MCD_L1_STRICT_ORDERING);
276 	RADEON_WRITE(R600_MCD_WR_HDP_CNTL, mc_rd_a /*| R600_MCD_L1_STRICT_ORDERING*/);
277 
278 	RADEON_WRITE(R600_MCD_RD_PDMA_CNTL, mc_rd_a);
279 	RADEON_WRITE(R600_MCD_WR_PDMA_CNTL, mc_rd_a);
280 
281 	RADEON_WRITE(R600_MCD_RD_SEM_CNTL, mc_rd_a | R600_MCD_SEMAPHORE_MODE);
282 	RADEON_WRITE(R600_MCD_WR_SEM_CNTL, mc_rd_a);
283 
284 	vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
285 	vm_l2_cntl |= R600_VM_L2_CNTL_QUEUE_SIZE(7);
286 	RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
287 
288 	RADEON_WRITE(R600_VM_L2_CNTL2, 0);
289 	vm_l2_cntl3 = (R600_VM_L2_CNTL3_BANK_SELECT_0(0) |
290 		       R600_VM_L2_CNTL3_BANK_SELECT_1(1) |
291 		       R600_VM_L2_CNTL3_CACHE_UPDATE_MODE(2));
292 	RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
293 
294 	vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
295 
296 	RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
297 
298 	vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
299 
300 	/* disable all other contexts */
301 	for (i = 1; i < 8; i++)
302 		RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
303 
304 	RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
305 	RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
306 	RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
307 
308 	r600_vm_flush_gart_range(dev);
309 }
310 
r600_cp_init_microcode(drm_radeon_private_t * dev_priv)311 static int r600_cp_init_microcode(drm_radeon_private_t *dev_priv)
312 {
313 	struct platform_device *pdev;
314 	const char *chip_name;
315 	size_t pfp_req_size, me_req_size;
316 	char fw_name[30];
317 	int err;
318 
319 	pdev = platform_device_register_simple("r600_cp", 0, NULL, 0);
320 	err = IS_ERR(pdev);
321 	if (err) {
322 		printk(KERN_ERR "r600_cp: Failed to register firmware\n");
323 		return -EINVAL;
324 	}
325 
326 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
327 	case CHIP_R600:  chip_name = "R600";  break;
328 	case CHIP_RV610: chip_name = "RV610"; break;
329 	case CHIP_RV630: chip_name = "RV630"; break;
330 	case CHIP_RV620: chip_name = "RV620"; break;
331 	case CHIP_RV635: chip_name = "RV635"; break;
332 	case CHIP_RV670: chip_name = "RV670"; break;
333 	case CHIP_RS780:
334 	case CHIP_RS880: chip_name = "RS780"; break;
335 	case CHIP_RV770: chip_name = "RV770"; break;
336 	case CHIP_RV730:
337 	case CHIP_RV740: chip_name = "RV730"; break;
338 	case CHIP_RV710: chip_name = "RV710"; break;
339 	default:         BUG();
340 	}
341 
342 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770) {
343 		pfp_req_size = R700_PFP_UCODE_SIZE * 4;
344 		me_req_size = R700_PM4_UCODE_SIZE * 4;
345 	} else {
346 		pfp_req_size = PFP_UCODE_SIZE * 4;
347 		me_req_size = PM4_UCODE_SIZE * 12;
348 	}
349 
350 	DRM_INFO("Loading %s CP Microcode\n", chip_name);
351 
352 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
353 	err = request_firmware(&dev_priv->pfp_fw, fw_name, &pdev->dev);
354 	if (err)
355 		goto out;
356 	if (dev_priv->pfp_fw->size != pfp_req_size) {
357 		printk(KERN_ERR
358 		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
359 		       dev_priv->pfp_fw->size, fw_name);
360 		err = -EINVAL;
361 		goto out;
362 	}
363 
364 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
365 	err = request_firmware(&dev_priv->me_fw, fw_name, &pdev->dev);
366 	if (err)
367 		goto out;
368 	if (dev_priv->me_fw->size != me_req_size) {
369 		printk(KERN_ERR
370 		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
371 		       dev_priv->me_fw->size, fw_name);
372 		err = -EINVAL;
373 	}
374 out:
375 	platform_device_unregister(pdev);
376 
377 	if (err) {
378 		if (err != -EINVAL)
379 			printk(KERN_ERR
380 			       "r600_cp: Failed to load firmware \"%s\"\n",
381 			       fw_name);
382 		release_firmware(dev_priv->pfp_fw);
383 		dev_priv->pfp_fw = NULL;
384 		release_firmware(dev_priv->me_fw);
385 		dev_priv->me_fw = NULL;
386 	}
387 	return err;
388 }
389 
r600_cp_load_microcode(drm_radeon_private_t * dev_priv)390 static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
391 {
392 	const __be32 *fw_data;
393 	int i;
394 
395 	if (!dev_priv->me_fw || !dev_priv->pfp_fw)
396 		return;
397 
398 	r600_do_cp_stop(dev_priv);
399 
400 	RADEON_WRITE(R600_CP_RB_CNTL,
401 #ifdef __BIG_ENDIAN
402 		     R600_BUF_SWAP_32BIT |
403 #endif
404 		     R600_RB_NO_UPDATE |
405 		     R600_RB_BLKSZ(15) |
406 		     R600_RB_BUFSZ(3));
407 
408 	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
409 	RADEON_READ(R600_GRBM_SOFT_RESET);
410 	mdelay(15);
411 	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
412 
413 	fw_data = (const __be32 *)dev_priv->me_fw->data;
414 	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
415 	for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
416 		RADEON_WRITE(R600_CP_ME_RAM_DATA,
417 			     be32_to_cpup(fw_data++));
418 
419 	fw_data = (const __be32 *)dev_priv->pfp_fw->data;
420 	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
421 	for (i = 0; i < PFP_UCODE_SIZE; i++)
422 		RADEON_WRITE(R600_CP_PFP_UCODE_DATA,
423 			     be32_to_cpup(fw_data++));
424 
425 	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
426 	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
427 	RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
428 
429 }
430 
r700_vm_init(struct drm_device * dev)431 static void r700_vm_init(struct drm_device *dev)
432 {
433 	drm_radeon_private_t *dev_priv = dev->dev_private;
434 	/* initialise the VM to use the page table we constructed up there */
435 	u32 vm_c0, i;
436 	u32 mc_vm_md_l1;
437 	u32 vm_l2_cntl, vm_l2_cntl3;
438 	/* okay set up the PCIE aperture type thingo */
439 	RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
440 	RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
441 	RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
442 
443 	mc_vm_md_l1 = R700_ENABLE_L1_TLB |
444 	    R700_ENABLE_L1_FRAGMENT_PROCESSING |
445 	    R700_SYSTEM_ACCESS_MODE_IN_SYS |
446 	    R700_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
447 	    R700_EFFECTIVE_L1_TLB_SIZE(5) |
448 	    R700_EFFECTIVE_L1_QUEUE_SIZE(5);
449 
450 	RADEON_WRITE(R700_MC_VM_MD_L1_TLB0_CNTL, mc_vm_md_l1);
451 	RADEON_WRITE(R700_MC_VM_MD_L1_TLB1_CNTL, mc_vm_md_l1);
452 	RADEON_WRITE(R700_MC_VM_MD_L1_TLB2_CNTL, mc_vm_md_l1);
453 	RADEON_WRITE(R700_MC_VM_MB_L1_TLB0_CNTL, mc_vm_md_l1);
454 	RADEON_WRITE(R700_MC_VM_MB_L1_TLB1_CNTL, mc_vm_md_l1);
455 	RADEON_WRITE(R700_MC_VM_MB_L1_TLB2_CNTL, mc_vm_md_l1);
456 	RADEON_WRITE(R700_MC_VM_MB_L1_TLB3_CNTL, mc_vm_md_l1);
457 
458 	vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
459 	vm_l2_cntl |= R700_VM_L2_CNTL_QUEUE_SIZE(7);
460 	RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
461 
462 	RADEON_WRITE(R600_VM_L2_CNTL2, 0);
463 	vm_l2_cntl3 = R700_VM_L2_CNTL3_BANK_SELECT(0) | R700_VM_L2_CNTL3_CACHE_UPDATE_MODE(2);
464 	RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
465 
466 	vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
467 
468 	RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
469 
470 	vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
471 
472 	/* disable all other contexts */
473 	for (i = 1; i < 8; i++)
474 		RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
475 
476 	RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
477 	RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
478 	RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
479 
480 	r600_vm_flush_gart_range(dev);
481 }
482 
r700_cp_load_microcode(drm_radeon_private_t * dev_priv)483 static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv)
484 {
485 	const __be32 *fw_data;
486 	int i;
487 
488 	if (!dev_priv->me_fw || !dev_priv->pfp_fw)
489 		return;
490 
491 	r600_do_cp_stop(dev_priv);
492 
493 	RADEON_WRITE(R600_CP_RB_CNTL,
494 #ifdef __BIG_ENDIAN
495 		     R600_BUF_SWAP_32BIT |
496 #endif
497 		     R600_RB_NO_UPDATE |
498 		     R600_RB_BLKSZ(15) |
499 		     R600_RB_BUFSZ(3));
500 
501 	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
502 	RADEON_READ(R600_GRBM_SOFT_RESET);
503 	mdelay(15);
504 	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
505 
506 	fw_data = (const __be32 *)dev_priv->pfp_fw->data;
507 	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
508 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
509 		RADEON_WRITE(R600_CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
510 	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
511 
512 	fw_data = (const __be32 *)dev_priv->me_fw->data;
513 	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
514 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
515 		RADEON_WRITE(R600_CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
516 	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
517 
518 	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
519 	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
520 	RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
521 
522 }
523 
r600_test_writeback(drm_radeon_private_t * dev_priv)524 static void r600_test_writeback(drm_radeon_private_t *dev_priv)
525 {
526 	u32 tmp;
527 
528 	/* Start with assuming that writeback doesn't work */
529 	dev_priv->writeback_works = 0;
530 
531 	/* Writeback doesn't seem to work everywhere, test it here and possibly
532 	 * enable it if it appears to work
533 	 */
534 	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
535 
536 	RADEON_WRITE(R600_SCRATCH_REG1, 0xdeadbeef);
537 
538 	for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
539 		u32 val;
540 
541 		val = radeon_read_ring_rptr(dev_priv, R600_SCRATCHOFF(1));
542 		if (val == 0xdeadbeef)
543 			break;
544 		DRM_UDELAY(1);
545 	}
546 
547 	if (tmp < dev_priv->usec_timeout) {
548 		dev_priv->writeback_works = 1;
549 		DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
550 	} else {
551 		dev_priv->writeback_works = 0;
552 		DRM_INFO("writeback test failed\n");
553 	}
554 	if (radeon_no_wb == 1) {
555 		dev_priv->writeback_works = 0;
556 		DRM_INFO("writeback forced off\n");
557 	}
558 
559 	if (!dev_priv->writeback_works) {
560 		/* Disable writeback to avoid unnecessary bus master transfer */
561 		RADEON_WRITE(R600_CP_RB_CNTL,
562 #ifdef __BIG_ENDIAN
563 			     R600_BUF_SWAP_32BIT |
564 #endif
565 			     RADEON_READ(R600_CP_RB_CNTL) |
566 			     R600_RB_NO_UPDATE);
567 		RADEON_WRITE(R600_SCRATCH_UMSK, 0);
568 	}
569 }
570 
r600_do_engine_reset(struct drm_device * dev)571 int r600_do_engine_reset(struct drm_device *dev)
572 {
573 	drm_radeon_private_t *dev_priv = dev->dev_private;
574 	u32 cp_ptr, cp_me_cntl, cp_rb_cntl;
575 
576 	DRM_INFO("Resetting GPU\n");
577 
578 	cp_ptr = RADEON_READ(R600_CP_RB_WPTR);
579 	cp_me_cntl = RADEON_READ(R600_CP_ME_CNTL);
580 	RADEON_WRITE(R600_CP_ME_CNTL, R600_CP_ME_HALT);
581 
582 	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0x7fff);
583 	RADEON_READ(R600_GRBM_SOFT_RESET);
584 	DRM_UDELAY(50);
585 	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
586 	RADEON_READ(R600_GRBM_SOFT_RESET);
587 
588 	RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
589 	cp_rb_cntl = RADEON_READ(R600_CP_RB_CNTL);
590 	RADEON_WRITE(R600_CP_RB_CNTL,
591 #ifdef __BIG_ENDIAN
592 		     R600_BUF_SWAP_32BIT |
593 #endif
594 		     R600_RB_RPTR_WR_ENA);
595 
596 	RADEON_WRITE(R600_CP_RB_RPTR_WR, cp_ptr);
597 	RADEON_WRITE(R600_CP_RB_WPTR, cp_ptr);
598 	RADEON_WRITE(R600_CP_RB_CNTL, cp_rb_cntl);
599 	RADEON_WRITE(R600_CP_ME_CNTL, cp_me_cntl);
600 
601 	/* Reset the CP ring */
602 	r600_do_cp_reset(dev_priv);
603 
604 	/* The CP is no longer running after an engine reset */
605 	dev_priv->cp_running = 0;
606 
607 	/* Reset any pending vertex, indirect buffers */
608 	radeon_freelist_reset(dev);
609 
610 	return 0;
611 
612 }
613 
r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,u32 num_backends,u32 backend_disable_mask)614 static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
615 					     u32 num_backends,
616 					     u32 backend_disable_mask)
617 {
618 	u32 backend_map = 0;
619 	u32 enabled_backends_mask;
620 	u32 enabled_backends_count;
621 	u32 cur_pipe;
622 	u32 swizzle_pipe[R6XX_MAX_PIPES];
623 	u32 cur_backend;
624 	u32 i;
625 
626 	if (num_tile_pipes > R6XX_MAX_PIPES)
627 		num_tile_pipes = R6XX_MAX_PIPES;
628 	if (num_tile_pipes < 1)
629 		num_tile_pipes = 1;
630 	if (num_backends > R6XX_MAX_BACKENDS)
631 		num_backends = R6XX_MAX_BACKENDS;
632 	if (num_backends < 1)
633 		num_backends = 1;
634 
635 	enabled_backends_mask = 0;
636 	enabled_backends_count = 0;
637 	for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
638 		if (((backend_disable_mask >> i) & 1) == 0) {
639 			enabled_backends_mask |= (1 << i);
640 			++enabled_backends_count;
641 		}
642 		if (enabled_backends_count == num_backends)
643 			break;
644 	}
645 
646 	if (enabled_backends_count == 0) {
647 		enabled_backends_mask = 1;
648 		enabled_backends_count = 1;
649 	}
650 
651 	if (enabled_backends_count != num_backends)
652 		num_backends = enabled_backends_count;
653 
654 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
655 	switch (num_tile_pipes) {
656 	case 1:
657 		swizzle_pipe[0] = 0;
658 		break;
659 	case 2:
660 		swizzle_pipe[0] = 0;
661 		swizzle_pipe[1] = 1;
662 		break;
663 	case 3:
664 		swizzle_pipe[0] = 0;
665 		swizzle_pipe[1] = 1;
666 		swizzle_pipe[2] = 2;
667 		break;
668 	case 4:
669 		swizzle_pipe[0] = 0;
670 		swizzle_pipe[1] = 1;
671 		swizzle_pipe[2] = 2;
672 		swizzle_pipe[3] = 3;
673 		break;
674 	case 5:
675 		swizzle_pipe[0] = 0;
676 		swizzle_pipe[1] = 1;
677 		swizzle_pipe[2] = 2;
678 		swizzle_pipe[3] = 3;
679 		swizzle_pipe[4] = 4;
680 		break;
681 	case 6:
682 		swizzle_pipe[0] = 0;
683 		swizzle_pipe[1] = 2;
684 		swizzle_pipe[2] = 4;
685 		swizzle_pipe[3] = 5;
686 		swizzle_pipe[4] = 1;
687 		swizzle_pipe[5] = 3;
688 		break;
689 	case 7:
690 		swizzle_pipe[0] = 0;
691 		swizzle_pipe[1] = 2;
692 		swizzle_pipe[2] = 4;
693 		swizzle_pipe[3] = 6;
694 		swizzle_pipe[4] = 1;
695 		swizzle_pipe[5] = 3;
696 		swizzle_pipe[6] = 5;
697 		break;
698 	case 8:
699 		swizzle_pipe[0] = 0;
700 		swizzle_pipe[1] = 2;
701 		swizzle_pipe[2] = 4;
702 		swizzle_pipe[3] = 6;
703 		swizzle_pipe[4] = 1;
704 		swizzle_pipe[5] = 3;
705 		swizzle_pipe[6] = 5;
706 		swizzle_pipe[7] = 7;
707 		break;
708 	}
709 
710 	cur_backend = 0;
711 	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
712 		while (((1 << cur_backend) & enabled_backends_mask) == 0)
713 			cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
714 
715 		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
716 
717 		cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
718 	}
719 
720 	return backend_map;
721 }
722 
r600_count_pipe_bits(uint32_t val)723 static int r600_count_pipe_bits(uint32_t val)
724 {
725 	int i, ret = 0;
726 	for (i = 0; i < 32; i++) {
727 		ret += val & 1;
728 		val >>= 1;
729 	}
730 	return ret;
731 }
732 
r600_gfx_init(struct drm_device * dev,drm_radeon_private_t * dev_priv)733 static void r600_gfx_init(struct drm_device *dev,
734 			  drm_radeon_private_t *dev_priv)
735 {
736 	int i, j, num_qd_pipes;
737 	u32 sx_debug_1;
738 	u32 tc_cntl;
739 	u32 arb_pop;
740 	u32 num_gs_verts_per_thread;
741 	u32 vgt_gs_per_es;
742 	u32 gs_prim_buffer_depth = 0;
743 	u32 sq_ms_fifo_sizes;
744 	u32 sq_config;
745 	u32 sq_gpr_resource_mgmt_1 = 0;
746 	u32 sq_gpr_resource_mgmt_2 = 0;
747 	u32 sq_thread_resource_mgmt = 0;
748 	u32 sq_stack_resource_mgmt_1 = 0;
749 	u32 sq_stack_resource_mgmt_2 = 0;
750 	u32 hdp_host_path_cntl;
751 	u32 backend_map;
752 	u32 gb_tiling_config = 0;
753 	u32 cc_rb_backend_disable;
754 	u32 cc_gc_shader_pipe_config;
755 	u32 ramcfg;
756 
757 	/* setup chip specs */
758 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
759 	case CHIP_R600:
760 		dev_priv->r600_max_pipes = 4;
761 		dev_priv->r600_max_tile_pipes = 8;
762 		dev_priv->r600_max_simds = 4;
763 		dev_priv->r600_max_backends = 4;
764 		dev_priv->r600_max_gprs = 256;
765 		dev_priv->r600_max_threads = 192;
766 		dev_priv->r600_max_stack_entries = 256;
767 		dev_priv->r600_max_hw_contexts = 8;
768 		dev_priv->r600_max_gs_threads = 16;
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_RV630:
775 	case CHIP_RV635:
776 		dev_priv->r600_max_pipes = 2;
777 		dev_priv->r600_max_tile_pipes = 2;
778 		dev_priv->r600_max_simds = 3;
779 		dev_priv->r600_max_backends = 1;
780 		dev_priv->r600_max_gprs = 128;
781 		dev_priv->r600_max_threads = 192;
782 		dev_priv->r600_max_stack_entries = 128;
783 		dev_priv->r600_max_hw_contexts = 8;
784 		dev_priv->r600_max_gs_threads = 4;
785 		dev_priv->r600_sx_max_export_size = 128;
786 		dev_priv->r600_sx_max_export_pos_size = 16;
787 		dev_priv->r600_sx_max_export_smx_size = 128;
788 		dev_priv->r600_sq_num_cf_insts = 2;
789 		break;
790 	case CHIP_RV610:
791 	case CHIP_RS780:
792 	case CHIP_RS880:
793 	case CHIP_RV620:
794 		dev_priv->r600_max_pipes = 1;
795 		dev_priv->r600_max_tile_pipes = 1;
796 		dev_priv->r600_max_simds = 2;
797 		dev_priv->r600_max_backends = 1;
798 		dev_priv->r600_max_gprs = 128;
799 		dev_priv->r600_max_threads = 192;
800 		dev_priv->r600_max_stack_entries = 128;
801 		dev_priv->r600_max_hw_contexts = 4;
802 		dev_priv->r600_max_gs_threads = 4;
803 		dev_priv->r600_sx_max_export_size = 128;
804 		dev_priv->r600_sx_max_export_pos_size = 16;
805 		dev_priv->r600_sx_max_export_smx_size = 128;
806 		dev_priv->r600_sq_num_cf_insts = 1;
807 		break;
808 	case CHIP_RV670:
809 		dev_priv->r600_max_pipes = 4;
810 		dev_priv->r600_max_tile_pipes = 4;
811 		dev_priv->r600_max_simds = 4;
812 		dev_priv->r600_max_backends = 4;
813 		dev_priv->r600_max_gprs = 192;
814 		dev_priv->r600_max_threads = 192;
815 		dev_priv->r600_max_stack_entries = 256;
816 		dev_priv->r600_max_hw_contexts = 8;
817 		dev_priv->r600_max_gs_threads = 16;
818 		dev_priv->r600_sx_max_export_size = 128;
819 		dev_priv->r600_sx_max_export_pos_size = 16;
820 		dev_priv->r600_sx_max_export_smx_size = 128;
821 		dev_priv->r600_sq_num_cf_insts = 2;
822 		break;
823 	default:
824 		break;
825 	}
826 
827 	/* Initialize HDP */
828 	j = 0;
829 	for (i = 0; i < 32; i++) {
830 		RADEON_WRITE((0x2c14 + j), 0x00000000);
831 		RADEON_WRITE((0x2c18 + j), 0x00000000);
832 		RADEON_WRITE((0x2c1c + j), 0x00000000);
833 		RADEON_WRITE((0x2c20 + j), 0x00000000);
834 		RADEON_WRITE((0x2c24 + j), 0x00000000);
835 		j += 0x18;
836 	}
837 
838 	RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
839 
840 	/* setup tiling, simd, pipe config */
841 	ramcfg = RADEON_READ(R600_RAMCFG);
842 
843 	switch (dev_priv->r600_max_tile_pipes) {
844 	case 1:
845 		gb_tiling_config |= R600_PIPE_TILING(0);
846 		break;
847 	case 2:
848 		gb_tiling_config |= R600_PIPE_TILING(1);
849 		break;
850 	case 4:
851 		gb_tiling_config |= R600_PIPE_TILING(2);
852 		break;
853 	case 8:
854 		gb_tiling_config |= R600_PIPE_TILING(3);
855 		break;
856 	default:
857 		break;
858 	}
859 
860 	gb_tiling_config |= R600_BANK_TILING((ramcfg >> R600_NOOFBANK_SHIFT) & R600_NOOFBANK_MASK);
861 
862 	gb_tiling_config |= R600_GROUP_SIZE(0);
863 
864 	if (((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK) > 3) {
865 		gb_tiling_config |= R600_ROW_TILING(3);
866 		gb_tiling_config |= R600_SAMPLE_SPLIT(3);
867 	} else {
868 		gb_tiling_config |=
869 			R600_ROW_TILING(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
870 		gb_tiling_config |=
871 			R600_SAMPLE_SPLIT(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
872 	}
873 
874 	gb_tiling_config |= R600_BANK_SWAPS(1);
875 
876 	cc_rb_backend_disable = RADEON_READ(R600_CC_RB_BACKEND_DISABLE) & 0x00ff0000;
877 	cc_rb_backend_disable |=
878 		R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
879 
880 	cc_gc_shader_pipe_config = RADEON_READ(R600_CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
881 	cc_gc_shader_pipe_config |=
882 		R600_INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R6XX_MAX_PIPES_MASK);
883 	cc_gc_shader_pipe_config |=
884 		R600_INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R6XX_MAX_SIMDS_MASK);
885 
886 	backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
887 							(R6XX_MAX_BACKENDS -
888 							 r600_count_pipe_bits((cc_rb_backend_disable &
889 									       R6XX_MAX_BACKENDS_MASK) >> 16)),
890 							(cc_rb_backend_disable >> 16));
891 	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
892 
893 	RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
894 	RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
895 	RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
896 	if (gb_tiling_config & 0xc0) {
897 		dev_priv->r600_group_size = 512;
898 	} else {
899 		dev_priv->r600_group_size = 256;
900 	}
901 	dev_priv->r600_npipes = 1 << ((gb_tiling_config >> 1) & 0x7);
902 	if (gb_tiling_config & 0x30) {
903 		dev_priv->r600_nbanks = 8;
904 	} else {
905 		dev_priv->r600_nbanks = 4;
906 	}
907 
908 	RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
909 	RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
910 	RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
911 
912 	num_qd_pipes =
913 		R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK) >> 8);
914 	RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
915 	RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
916 
917 	/* set HW defaults for 3D engine */
918 	RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
919 						R600_ROQ_IB2_START(0x2b)));
920 
921 	RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, (R600_MEQ_END(0x40) |
922 					      R600_ROQ_END(0x40)));
923 
924 	RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
925 					R600_SYNC_GRADIENT |
926 					R600_SYNC_WALKER |
927 					R600_SYNC_ALIGNER));
928 
929 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670)
930 		RADEON_WRITE(R600_ARB_GDEC_RD_CNTL, 0x00000021);
931 
932 	sx_debug_1 = RADEON_READ(R600_SX_DEBUG_1);
933 	sx_debug_1 |= R600_SMX_EVENT_RELEASE;
934 	if (((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_R600))
935 		sx_debug_1 |= R600_ENABLE_NEW_SMX_ADDRESS;
936 	RADEON_WRITE(R600_SX_DEBUG_1, sx_debug_1);
937 
938 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
939 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
940 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
941 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
942 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
943 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
944 		RADEON_WRITE(R600_DB_DEBUG, R600_PREZ_MUST_WAIT_FOR_POSTZ_DONE);
945 	else
946 		RADEON_WRITE(R600_DB_DEBUG, 0);
947 
948 	RADEON_WRITE(R600_DB_WATERMARKS, (R600_DEPTH_FREE(4) |
949 					  R600_DEPTH_FLUSH(16) |
950 					  R600_DEPTH_PENDING_FREE(4) |
951 					  R600_DEPTH_CACHELINE_FREE(16)));
952 	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
953 	RADEON_WRITE(R600_VGT_NUM_INSTANCES, 0);
954 
955 	RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
956 	RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(0));
957 
958 	sq_ms_fifo_sizes = RADEON_READ(R600_SQ_MS_FIFO_SIZES);
959 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
960 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
961 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
962 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
963 		sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(0xa) |
964 				    R600_FETCH_FIFO_HIWATER(0xa) |
965 				    R600_DONE_FIFO_HIWATER(0xe0) |
966 				    R600_ALU_UPDATE_FIFO_HIWATER(0x8));
967 	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
968 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630)) {
969 		sq_ms_fifo_sizes &= ~R600_DONE_FIFO_HIWATER(0xff);
970 		sq_ms_fifo_sizes |= R600_DONE_FIFO_HIWATER(0x4);
971 	}
972 	RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
973 
974 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
975 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
976 	 */
977 	sq_config = RADEON_READ(R600_SQ_CONFIG);
978 	sq_config &= ~(R600_PS_PRIO(3) |
979 		       R600_VS_PRIO(3) |
980 		       R600_GS_PRIO(3) |
981 		       R600_ES_PRIO(3));
982 	sq_config |= (R600_DX9_CONSTS |
983 		      R600_VC_ENABLE |
984 		      R600_PS_PRIO(0) |
985 		      R600_VS_PRIO(1) |
986 		      R600_GS_PRIO(2) |
987 		      R600_ES_PRIO(3));
988 
989 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) {
990 		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(124) |
991 					  R600_NUM_VS_GPRS(124) |
992 					  R600_NUM_CLAUSE_TEMP_GPRS(4));
993 		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(0) |
994 					  R600_NUM_ES_GPRS(0));
995 		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(136) |
996 					   R600_NUM_VS_THREADS(48) |
997 					   R600_NUM_GS_THREADS(4) |
998 					   R600_NUM_ES_THREADS(4));
999 		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(128) |
1000 					    R600_NUM_VS_STACK_ENTRIES(128));
1001 		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(0) |
1002 					    R600_NUM_ES_STACK_ENTRIES(0));
1003 	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
1004 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
1005 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
1006 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
1007 		/* no vertex cache */
1008 		sq_config &= ~R600_VC_ENABLE;
1009 
1010 		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
1011 					  R600_NUM_VS_GPRS(44) |
1012 					  R600_NUM_CLAUSE_TEMP_GPRS(2));
1013 		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
1014 					  R600_NUM_ES_GPRS(17));
1015 		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
1016 					   R600_NUM_VS_THREADS(78) |
1017 					   R600_NUM_GS_THREADS(4) |
1018 					   R600_NUM_ES_THREADS(31));
1019 		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
1020 					    R600_NUM_VS_STACK_ENTRIES(40));
1021 		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
1022 					    R600_NUM_ES_STACK_ENTRIES(16));
1023 	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
1024 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV635)) {
1025 		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
1026 					  R600_NUM_VS_GPRS(44) |
1027 					  R600_NUM_CLAUSE_TEMP_GPRS(2));
1028 		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(18) |
1029 					  R600_NUM_ES_GPRS(18));
1030 		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
1031 					   R600_NUM_VS_THREADS(78) |
1032 					   R600_NUM_GS_THREADS(4) |
1033 					   R600_NUM_ES_THREADS(31));
1034 		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
1035 					    R600_NUM_VS_STACK_ENTRIES(40));
1036 		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
1037 					    R600_NUM_ES_STACK_ENTRIES(16));
1038 	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670) {
1039 		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
1040 					  R600_NUM_VS_GPRS(44) |
1041 					  R600_NUM_CLAUSE_TEMP_GPRS(2));
1042 		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
1043 					  R600_NUM_ES_GPRS(17));
1044 		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
1045 					   R600_NUM_VS_THREADS(78) |
1046 					   R600_NUM_GS_THREADS(4) |
1047 					   R600_NUM_ES_THREADS(31));
1048 		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(64) |
1049 					    R600_NUM_VS_STACK_ENTRIES(64));
1050 		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(64) |
1051 					    R600_NUM_ES_STACK_ENTRIES(64));
1052 	}
1053 
1054 	RADEON_WRITE(R600_SQ_CONFIG, sq_config);
1055 	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
1056 	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
1057 	RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1058 	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1059 	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1060 
1061 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
1062 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
1063 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
1064 	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
1065 		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_TC_ONLY));
1066 	else
1067 		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_VC_AND_TC));
1068 
1069 	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_2S, (R600_S0_X(0xc) |
1070 						    R600_S0_Y(0x4) |
1071 						    R600_S1_X(0x4) |
1072 						    R600_S1_Y(0xc)));
1073 	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_4S, (R600_S0_X(0xe) |
1074 						    R600_S0_Y(0xe) |
1075 						    R600_S1_X(0x2) |
1076 						    R600_S1_Y(0x2) |
1077 						    R600_S2_X(0xa) |
1078 						    R600_S2_Y(0x6) |
1079 						    R600_S3_X(0x6) |
1080 						    R600_S3_Y(0xa)));
1081 	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD0, (R600_S0_X(0xe) |
1082 							R600_S0_Y(0xb) |
1083 							R600_S1_X(0x4) |
1084 							R600_S1_Y(0xc) |
1085 							R600_S2_X(0x1) |
1086 							R600_S2_Y(0x6) |
1087 							R600_S3_X(0xa) |
1088 							R600_S3_Y(0xe)));
1089 	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD1, (R600_S4_X(0x6) |
1090 							R600_S4_Y(0x1) |
1091 							R600_S5_X(0x0) |
1092 							R600_S5_Y(0x0) |
1093 							R600_S6_X(0xb) |
1094 							R600_S6_Y(0x4) |
1095 							R600_S7_X(0x7) |
1096 							R600_S7_Y(0x8)));
1097 
1098 
1099 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1100 	case CHIP_R600:
1101 	case CHIP_RV630:
1102 	case CHIP_RV635:
1103 		gs_prim_buffer_depth = 0;
1104 		break;
1105 	case CHIP_RV610:
1106 	case CHIP_RS780:
1107 	case CHIP_RS880:
1108 	case CHIP_RV620:
1109 		gs_prim_buffer_depth = 32;
1110 		break;
1111 	case CHIP_RV670:
1112 		gs_prim_buffer_depth = 128;
1113 		break;
1114 	default:
1115 		break;
1116 	}
1117 
1118 	num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
1119 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1120 	/* Max value for this is 256 */
1121 	if (vgt_gs_per_es > 256)
1122 		vgt_gs_per_es = 256;
1123 
1124 	RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
1125 	RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
1126 	RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
1127 	RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
1128 
1129 	/* more default values. 2D/3D driver should adjust as needed */
1130 	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
1131 	RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
1132 	RADEON_WRITE(R600_SX_MISC, 0);
1133 	RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
1134 	RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
1135 	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
1136 	RADEON_WRITE(R600_SPI_INPUT_Z, 0);
1137 	RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
1138 	RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
1139 
1140 	/* clear render buffer base addresses */
1141 	RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
1142 	RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
1143 	RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
1144 	RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
1145 	RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
1146 	RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
1147 	RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
1148 	RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
1149 
1150 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1151 	case CHIP_RV610:
1152 	case CHIP_RS780:
1153 	case CHIP_RS880:
1154 	case CHIP_RV620:
1155 		tc_cntl = R600_TC_L2_SIZE(8);
1156 		break;
1157 	case CHIP_RV630:
1158 	case CHIP_RV635:
1159 		tc_cntl = R600_TC_L2_SIZE(4);
1160 		break;
1161 	case CHIP_R600:
1162 		tc_cntl = R600_TC_L2_SIZE(0) | R600_L2_DISABLE_LATE_HIT;
1163 		break;
1164 	default:
1165 		tc_cntl = R600_TC_L2_SIZE(0);
1166 		break;
1167 	}
1168 
1169 	RADEON_WRITE(R600_TC_CNTL, tc_cntl);
1170 
1171 	hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
1172 	RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1173 
1174 	arb_pop = RADEON_READ(R600_ARB_POP);
1175 	arb_pop |= R600_ENABLE_TC128;
1176 	RADEON_WRITE(R600_ARB_POP, arb_pop);
1177 
1178 	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
1179 	RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
1180 					  R600_NUM_CLIP_SEQ(3)));
1181 	RADEON_WRITE(R600_PA_SC_ENHANCE, R600_FORCE_EOV_MAX_CLK_CNT(4095));
1182 
1183 }
1184 
r700_get_tile_pipe_to_backend_map(drm_radeon_private_t * dev_priv,u32 num_tile_pipes,u32 num_backends,u32 backend_disable_mask)1185 static u32 r700_get_tile_pipe_to_backend_map(drm_radeon_private_t *dev_priv,
1186 					     u32 num_tile_pipes,
1187 					     u32 num_backends,
1188 					     u32 backend_disable_mask)
1189 {
1190 	u32 backend_map = 0;
1191 	u32 enabled_backends_mask;
1192 	u32 enabled_backends_count;
1193 	u32 cur_pipe;
1194 	u32 swizzle_pipe[R7XX_MAX_PIPES];
1195 	u32 cur_backend;
1196 	u32 i;
1197 	bool force_no_swizzle;
1198 
1199 	if (num_tile_pipes > R7XX_MAX_PIPES)
1200 		num_tile_pipes = R7XX_MAX_PIPES;
1201 	if (num_tile_pipes < 1)
1202 		num_tile_pipes = 1;
1203 	if (num_backends > R7XX_MAX_BACKENDS)
1204 		num_backends = R7XX_MAX_BACKENDS;
1205 	if (num_backends < 1)
1206 		num_backends = 1;
1207 
1208 	enabled_backends_mask = 0;
1209 	enabled_backends_count = 0;
1210 	for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
1211 		if (((backend_disable_mask >> i) & 1) == 0) {
1212 			enabled_backends_mask |= (1 << i);
1213 			++enabled_backends_count;
1214 		}
1215 		if (enabled_backends_count == num_backends)
1216 			break;
1217 	}
1218 
1219 	if (enabled_backends_count == 0) {
1220 		enabled_backends_mask = 1;
1221 		enabled_backends_count = 1;
1222 	}
1223 
1224 	if (enabled_backends_count != num_backends)
1225 		num_backends = enabled_backends_count;
1226 
1227 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1228 	case CHIP_RV770:
1229 	case CHIP_RV730:
1230 		force_no_swizzle = false;
1231 		break;
1232 	case CHIP_RV710:
1233 	case CHIP_RV740:
1234 	default:
1235 		force_no_swizzle = true;
1236 		break;
1237 	}
1238 
1239 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
1240 	switch (num_tile_pipes) {
1241 	case 1:
1242 		swizzle_pipe[0] = 0;
1243 		break;
1244 	case 2:
1245 		swizzle_pipe[0] = 0;
1246 		swizzle_pipe[1] = 1;
1247 		break;
1248 	case 3:
1249 		if (force_no_swizzle) {
1250 			swizzle_pipe[0] = 0;
1251 			swizzle_pipe[1] = 1;
1252 			swizzle_pipe[2] = 2;
1253 		} else {
1254 			swizzle_pipe[0] = 0;
1255 			swizzle_pipe[1] = 2;
1256 			swizzle_pipe[2] = 1;
1257 		}
1258 		break;
1259 	case 4:
1260 		if (force_no_swizzle) {
1261 			swizzle_pipe[0] = 0;
1262 			swizzle_pipe[1] = 1;
1263 			swizzle_pipe[2] = 2;
1264 			swizzle_pipe[3] = 3;
1265 		} else {
1266 			swizzle_pipe[0] = 0;
1267 			swizzle_pipe[1] = 2;
1268 			swizzle_pipe[2] = 3;
1269 			swizzle_pipe[3] = 1;
1270 		}
1271 		break;
1272 	case 5:
1273 		if (force_no_swizzle) {
1274 			swizzle_pipe[0] = 0;
1275 			swizzle_pipe[1] = 1;
1276 			swizzle_pipe[2] = 2;
1277 			swizzle_pipe[3] = 3;
1278 			swizzle_pipe[4] = 4;
1279 		} else {
1280 			swizzle_pipe[0] = 0;
1281 			swizzle_pipe[1] = 2;
1282 			swizzle_pipe[2] = 4;
1283 			swizzle_pipe[3] = 1;
1284 			swizzle_pipe[4] = 3;
1285 		}
1286 		break;
1287 	case 6:
1288 		if (force_no_swizzle) {
1289 			swizzle_pipe[0] = 0;
1290 			swizzle_pipe[1] = 1;
1291 			swizzle_pipe[2] = 2;
1292 			swizzle_pipe[3] = 3;
1293 			swizzle_pipe[4] = 4;
1294 			swizzle_pipe[5] = 5;
1295 		} else {
1296 			swizzle_pipe[0] = 0;
1297 			swizzle_pipe[1] = 2;
1298 			swizzle_pipe[2] = 4;
1299 			swizzle_pipe[3] = 5;
1300 			swizzle_pipe[4] = 3;
1301 			swizzle_pipe[5] = 1;
1302 		}
1303 		break;
1304 	case 7:
1305 		if (force_no_swizzle) {
1306 			swizzle_pipe[0] = 0;
1307 			swizzle_pipe[1] = 1;
1308 			swizzle_pipe[2] = 2;
1309 			swizzle_pipe[3] = 3;
1310 			swizzle_pipe[4] = 4;
1311 			swizzle_pipe[5] = 5;
1312 			swizzle_pipe[6] = 6;
1313 		} else {
1314 			swizzle_pipe[0] = 0;
1315 			swizzle_pipe[1] = 2;
1316 			swizzle_pipe[2] = 4;
1317 			swizzle_pipe[3] = 6;
1318 			swizzle_pipe[4] = 3;
1319 			swizzle_pipe[5] = 1;
1320 			swizzle_pipe[6] = 5;
1321 		}
1322 		break;
1323 	case 8:
1324 		if (force_no_swizzle) {
1325 			swizzle_pipe[0] = 0;
1326 			swizzle_pipe[1] = 1;
1327 			swizzle_pipe[2] = 2;
1328 			swizzle_pipe[3] = 3;
1329 			swizzle_pipe[4] = 4;
1330 			swizzle_pipe[5] = 5;
1331 			swizzle_pipe[6] = 6;
1332 			swizzle_pipe[7] = 7;
1333 		} else {
1334 			swizzle_pipe[0] = 0;
1335 			swizzle_pipe[1] = 2;
1336 			swizzle_pipe[2] = 4;
1337 			swizzle_pipe[3] = 6;
1338 			swizzle_pipe[4] = 3;
1339 			swizzle_pipe[5] = 1;
1340 			swizzle_pipe[6] = 7;
1341 			swizzle_pipe[7] = 5;
1342 		}
1343 		break;
1344 	}
1345 
1346 	cur_backend = 0;
1347 	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1348 		while (((1 << cur_backend) & enabled_backends_mask) == 0)
1349 			cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
1350 
1351 		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
1352 
1353 		cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
1354 	}
1355 
1356 	return backend_map;
1357 }
1358 
r700_gfx_init(struct drm_device * dev,drm_radeon_private_t * dev_priv)1359 static void r700_gfx_init(struct drm_device *dev,
1360 			  drm_radeon_private_t *dev_priv)
1361 {
1362 	int i, j, num_qd_pipes;
1363 	u32 ta_aux_cntl;
1364 	u32 sx_debug_1;
1365 	u32 smx_dc_ctl0;
1366 	u32 db_debug3;
1367 	u32 num_gs_verts_per_thread;
1368 	u32 vgt_gs_per_es;
1369 	u32 gs_prim_buffer_depth = 0;
1370 	u32 sq_ms_fifo_sizes;
1371 	u32 sq_config;
1372 	u32 sq_thread_resource_mgmt;
1373 	u32 hdp_host_path_cntl;
1374 	u32 sq_dyn_gpr_size_simd_ab_0;
1375 	u32 backend_map;
1376 	u32 gb_tiling_config = 0;
1377 	u32 cc_rb_backend_disable;
1378 	u32 cc_gc_shader_pipe_config;
1379 	u32 mc_arb_ramcfg;
1380 	u32 db_debug4;
1381 
1382 	/* setup chip specs */
1383 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1384 	case CHIP_RV770:
1385 		dev_priv->r600_max_pipes = 4;
1386 		dev_priv->r600_max_tile_pipes = 8;
1387 		dev_priv->r600_max_simds = 10;
1388 		dev_priv->r600_max_backends = 4;
1389 		dev_priv->r600_max_gprs = 256;
1390 		dev_priv->r600_max_threads = 248;
1391 		dev_priv->r600_max_stack_entries = 512;
1392 		dev_priv->r600_max_hw_contexts = 8;
1393 		dev_priv->r600_max_gs_threads = 16 * 2;
1394 		dev_priv->r600_sx_max_export_size = 128;
1395 		dev_priv->r600_sx_max_export_pos_size = 16;
1396 		dev_priv->r600_sx_max_export_smx_size = 112;
1397 		dev_priv->r600_sq_num_cf_insts = 2;
1398 
1399 		dev_priv->r700_sx_num_of_sets = 7;
1400 		dev_priv->r700_sc_prim_fifo_size = 0xF9;
1401 		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1402 		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1403 		break;
1404 	case CHIP_RV730:
1405 		dev_priv->r600_max_pipes = 2;
1406 		dev_priv->r600_max_tile_pipes = 4;
1407 		dev_priv->r600_max_simds = 8;
1408 		dev_priv->r600_max_backends = 2;
1409 		dev_priv->r600_max_gprs = 128;
1410 		dev_priv->r600_max_threads = 248;
1411 		dev_priv->r600_max_stack_entries = 256;
1412 		dev_priv->r600_max_hw_contexts = 8;
1413 		dev_priv->r600_max_gs_threads = 16 * 2;
1414 		dev_priv->r600_sx_max_export_size = 256;
1415 		dev_priv->r600_sx_max_export_pos_size = 32;
1416 		dev_priv->r600_sx_max_export_smx_size = 224;
1417 		dev_priv->r600_sq_num_cf_insts = 2;
1418 
1419 		dev_priv->r700_sx_num_of_sets = 7;
1420 		dev_priv->r700_sc_prim_fifo_size = 0xf9;
1421 		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1422 		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1423 		if (dev_priv->r600_sx_max_export_pos_size > 16) {
1424 			dev_priv->r600_sx_max_export_pos_size -= 16;
1425 			dev_priv->r600_sx_max_export_smx_size += 16;
1426 		}
1427 		break;
1428 	case CHIP_RV710:
1429 		dev_priv->r600_max_pipes = 2;
1430 		dev_priv->r600_max_tile_pipes = 2;
1431 		dev_priv->r600_max_simds = 2;
1432 		dev_priv->r600_max_backends = 1;
1433 		dev_priv->r600_max_gprs = 256;
1434 		dev_priv->r600_max_threads = 192;
1435 		dev_priv->r600_max_stack_entries = 256;
1436 		dev_priv->r600_max_hw_contexts = 4;
1437 		dev_priv->r600_max_gs_threads = 8 * 2;
1438 		dev_priv->r600_sx_max_export_size = 128;
1439 		dev_priv->r600_sx_max_export_pos_size = 16;
1440 		dev_priv->r600_sx_max_export_smx_size = 112;
1441 		dev_priv->r600_sq_num_cf_insts = 1;
1442 
1443 		dev_priv->r700_sx_num_of_sets = 7;
1444 		dev_priv->r700_sc_prim_fifo_size = 0x40;
1445 		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1446 		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1447 		break;
1448 	case CHIP_RV740:
1449 		dev_priv->r600_max_pipes = 4;
1450 		dev_priv->r600_max_tile_pipes = 4;
1451 		dev_priv->r600_max_simds = 8;
1452 		dev_priv->r600_max_backends = 4;
1453 		dev_priv->r600_max_gprs = 256;
1454 		dev_priv->r600_max_threads = 248;
1455 		dev_priv->r600_max_stack_entries = 512;
1456 		dev_priv->r600_max_hw_contexts = 8;
1457 		dev_priv->r600_max_gs_threads = 16 * 2;
1458 		dev_priv->r600_sx_max_export_size = 256;
1459 		dev_priv->r600_sx_max_export_pos_size = 32;
1460 		dev_priv->r600_sx_max_export_smx_size = 224;
1461 		dev_priv->r600_sq_num_cf_insts = 2;
1462 
1463 		dev_priv->r700_sx_num_of_sets = 7;
1464 		dev_priv->r700_sc_prim_fifo_size = 0x100;
1465 		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1466 		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1467 
1468 		if (dev_priv->r600_sx_max_export_pos_size > 16) {
1469 			dev_priv->r600_sx_max_export_pos_size -= 16;
1470 			dev_priv->r600_sx_max_export_smx_size += 16;
1471 		}
1472 		break;
1473 	default:
1474 		break;
1475 	}
1476 
1477 	/* Initialize HDP */
1478 	j = 0;
1479 	for (i = 0; i < 32; i++) {
1480 		RADEON_WRITE((0x2c14 + j), 0x00000000);
1481 		RADEON_WRITE((0x2c18 + j), 0x00000000);
1482 		RADEON_WRITE((0x2c1c + j), 0x00000000);
1483 		RADEON_WRITE((0x2c20 + j), 0x00000000);
1484 		RADEON_WRITE((0x2c24 + j), 0x00000000);
1485 		j += 0x18;
1486 	}
1487 
1488 	RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
1489 
1490 	/* setup tiling, simd, pipe config */
1491 	mc_arb_ramcfg = RADEON_READ(R700_MC_ARB_RAMCFG);
1492 
1493 	switch (dev_priv->r600_max_tile_pipes) {
1494 	case 1:
1495 		gb_tiling_config |= R600_PIPE_TILING(0);
1496 		break;
1497 	case 2:
1498 		gb_tiling_config |= R600_PIPE_TILING(1);
1499 		break;
1500 	case 4:
1501 		gb_tiling_config |= R600_PIPE_TILING(2);
1502 		break;
1503 	case 8:
1504 		gb_tiling_config |= R600_PIPE_TILING(3);
1505 		break;
1506 	default:
1507 		break;
1508 	}
1509 
1510 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
1511 		gb_tiling_config |= R600_BANK_TILING(1);
1512 	else
1513 		gb_tiling_config |= R600_BANK_TILING((mc_arb_ramcfg >> R700_NOOFBANK_SHIFT) & R700_NOOFBANK_MASK);
1514 
1515 	gb_tiling_config |= R600_GROUP_SIZE(0);
1516 
1517 	if (((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK) > 3) {
1518 		gb_tiling_config |= R600_ROW_TILING(3);
1519 		gb_tiling_config |= R600_SAMPLE_SPLIT(3);
1520 	} else {
1521 		gb_tiling_config |=
1522 			R600_ROW_TILING(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
1523 		gb_tiling_config |=
1524 			R600_SAMPLE_SPLIT(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
1525 	}
1526 
1527 	gb_tiling_config |= R600_BANK_SWAPS(1);
1528 
1529 	cc_rb_backend_disable = RADEON_READ(R600_CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1530 	cc_rb_backend_disable |=
1531 		R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
1532 
1533 	cc_gc_shader_pipe_config = RADEON_READ(R600_CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1534 	cc_gc_shader_pipe_config |=
1535 		R600_INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R7XX_MAX_PIPES_MASK);
1536 	cc_gc_shader_pipe_config |=
1537 		R600_INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R7XX_MAX_SIMDS_MASK);
1538 
1539 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)
1540 		backend_map = 0x28;
1541 	else
1542 		backend_map = r700_get_tile_pipe_to_backend_map(dev_priv,
1543 								dev_priv->r600_max_tile_pipes,
1544 								(R7XX_MAX_BACKENDS -
1545 								 r600_count_pipe_bits((cc_rb_backend_disable &
1546 										       R7XX_MAX_BACKENDS_MASK) >> 16)),
1547 								(cc_rb_backend_disable >> 16));
1548 	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
1549 
1550 	RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
1551 	RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
1552 	RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
1553 	if (gb_tiling_config & 0xc0) {
1554 		dev_priv->r600_group_size = 512;
1555 	} else {
1556 		dev_priv->r600_group_size = 256;
1557 	}
1558 	dev_priv->r600_npipes = 1 << ((gb_tiling_config >> 1) & 0x7);
1559 	if (gb_tiling_config & 0x30) {
1560 		dev_priv->r600_nbanks = 8;
1561 	} else {
1562 		dev_priv->r600_nbanks = 4;
1563 	}
1564 
1565 	RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
1566 	RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
1567 	RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1568 
1569 	RADEON_WRITE(R700_CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
1570 	RADEON_WRITE(R700_CGTS_SYS_TCC_DISABLE, 0);
1571 	RADEON_WRITE(R700_CGTS_TCC_DISABLE, 0);
1572 	RADEON_WRITE(R700_CGTS_USER_SYS_TCC_DISABLE, 0);
1573 	RADEON_WRITE(R700_CGTS_USER_TCC_DISABLE, 0);
1574 
1575 	num_qd_pipes =
1576 		R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK) >> 8);
1577 	RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
1578 	RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
1579 
1580 	/* set HW defaults for 3D engine */
1581 	RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
1582 						R600_ROQ_IB2_START(0x2b)));
1583 
1584 	RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, R700_STQ_SPLIT(0x30));
1585 
1586 	ta_aux_cntl = RADEON_READ(R600_TA_CNTL_AUX);
1587 	RADEON_WRITE(R600_TA_CNTL_AUX, ta_aux_cntl | R600_DISABLE_CUBE_ANISO);
1588 
1589 	sx_debug_1 = RADEON_READ(R700_SX_DEBUG_1);
1590 	sx_debug_1 |= R700_ENABLE_NEW_SMX_ADDRESS;
1591 	RADEON_WRITE(R700_SX_DEBUG_1, sx_debug_1);
1592 
1593 	smx_dc_ctl0 = RADEON_READ(R600_SMX_DC_CTL0);
1594 	smx_dc_ctl0 &= ~R700_CACHE_DEPTH(0x1ff);
1595 	smx_dc_ctl0 |= R700_CACHE_DEPTH((dev_priv->r700_sx_num_of_sets * 64) - 1);
1596 	RADEON_WRITE(R600_SMX_DC_CTL0, smx_dc_ctl0);
1597 
1598 	if ((dev_priv->flags & RADEON_FAMILY_MASK) != CHIP_RV740)
1599 		RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
1600 						  R700_GS_FLUSH_CTL(4) |
1601 						  R700_ACK_FLUSH_CTL(3) |
1602 						  R700_SYNC_FLUSH_CTL));
1603 
1604 	db_debug3 = RADEON_READ(R700_DB_DEBUG3);
1605 	db_debug3 &= ~R700_DB_CLK_OFF_DELAY(0x1f);
1606 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1607 	case CHIP_RV770:
1608 	case CHIP_RV740:
1609 		db_debug3 |= R700_DB_CLK_OFF_DELAY(0x1f);
1610 		break;
1611 	case CHIP_RV710:
1612 	case CHIP_RV730:
1613 	default:
1614 		db_debug3 |= R700_DB_CLK_OFF_DELAY(2);
1615 		break;
1616 	}
1617 	RADEON_WRITE(R700_DB_DEBUG3, db_debug3);
1618 
1619 	if ((dev_priv->flags & RADEON_FAMILY_MASK) != CHIP_RV770) {
1620 		db_debug4 = RADEON_READ(RV700_DB_DEBUG4);
1621 		db_debug4 |= RV700_DISABLE_TILE_COVERED_FOR_PS_ITER;
1622 		RADEON_WRITE(RV700_DB_DEBUG4, db_debug4);
1623 	}
1624 
1625 	RADEON_WRITE(R600_SX_EXPORT_BUFFER_SIZES, (R600_COLOR_BUFFER_SIZE((dev_priv->r600_sx_max_export_size / 4) - 1) |
1626 						   R600_POSITION_BUFFER_SIZE((dev_priv->r600_sx_max_export_pos_size / 4) - 1) |
1627 						   R600_SMX_BUFFER_SIZE((dev_priv->r600_sx_max_export_smx_size / 4) - 1)));
1628 
1629 	RADEON_WRITE(R700_PA_SC_FIFO_SIZE_R7XX, (R700_SC_PRIM_FIFO_SIZE(dev_priv->r700_sc_prim_fifo_size) |
1630 						 R700_SC_HIZ_TILE_FIFO_SIZE(dev_priv->r700_sc_hiz_tile_fifo_size) |
1631 						 R700_SC_EARLYZ_TILE_FIFO_SIZE(dev_priv->r700_sc_earlyz_tile_fifo_fize)));
1632 
1633 	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
1634 
1635 	RADEON_WRITE(R600_VGT_NUM_INSTANCES, 1);
1636 
1637 	RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
1638 
1639 	RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(4));
1640 
1641 	RADEON_WRITE(R600_CP_PERFMON_CNTL, 0);
1642 
1643 	sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(16 * dev_priv->r600_sq_num_cf_insts) |
1644 			    R600_DONE_FIFO_HIWATER(0xe0) |
1645 			    R600_ALU_UPDATE_FIFO_HIWATER(0x8));
1646 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1647 	case CHIP_RV770:
1648 	case CHIP_RV730:
1649 	case CHIP_RV710:
1650 		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
1651 		break;
1652 	case CHIP_RV740:
1653 	default:
1654 		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4);
1655 		break;
1656 	}
1657 	RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
1658 
1659 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1660 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1661 	 */
1662 	sq_config = RADEON_READ(R600_SQ_CONFIG);
1663 	sq_config &= ~(R600_PS_PRIO(3) |
1664 		       R600_VS_PRIO(3) |
1665 		       R600_GS_PRIO(3) |
1666 		       R600_ES_PRIO(3));
1667 	sq_config |= (R600_DX9_CONSTS |
1668 		      R600_VC_ENABLE |
1669 		      R600_EXPORT_SRC_C |
1670 		      R600_PS_PRIO(0) |
1671 		      R600_VS_PRIO(1) |
1672 		      R600_GS_PRIO(2) |
1673 		      R600_ES_PRIO(3));
1674 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
1675 		/* no vertex cache */
1676 		sq_config &= ~R600_VC_ENABLE;
1677 
1678 	RADEON_WRITE(R600_SQ_CONFIG, sq_config);
1679 
1680 	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1,  (R600_NUM_PS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
1681 						    R600_NUM_VS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
1682 						    R600_NUM_CLAUSE_TEMP_GPRS(((dev_priv->r600_max_gprs * 24)/64)/2)));
1683 
1684 	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2,  (R600_NUM_GS_GPRS((dev_priv->r600_max_gprs * 7)/64) |
1685 						    R600_NUM_ES_GPRS((dev_priv->r600_max_gprs * 7)/64)));
1686 
1687 	sq_thread_resource_mgmt = (R600_NUM_PS_THREADS((dev_priv->r600_max_threads * 4)/8) |
1688 				   R600_NUM_VS_THREADS((dev_priv->r600_max_threads * 2)/8) |
1689 				   R600_NUM_ES_THREADS((dev_priv->r600_max_threads * 1)/8));
1690 	if (((dev_priv->r600_max_threads * 1) / 8) > dev_priv->r600_max_gs_threads)
1691 		sq_thread_resource_mgmt |= R600_NUM_GS_THREADS(dev_priv->r600_max_gs_threads);
1692 	else
1693 		sq_thread_resource_mgmt |= R600_NUM_GS_THREADS((dev_priv->r600_max_gs_threads * 1)/8);
1694 	RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1695 
1696 	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, (R600_NUM_PS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
1697 						     R600_NUM_VS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
1698 
1699 	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, (R600_NUM_GS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
1700 						     R600_NUM_ES_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
1701 
1702 	sq_dyn_gpr_size_simd_ab_0 = (R700_SIMDA_RING0((dev_priv->r600_max_gprs * 38)/64) |
1703 				     R700_SIMDA_RING1((dev_priv->r600_max_gprs * 38)/64) |
1704 				     R700_SIMDB_RING0((dev_priv->r600_max_gprs * 38)/64) |
1705 				     R700_SIMDB_RING1((dev_priv->r600_max_gprs * 38)/64));
1706 
1707 	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
1708 	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
1709 	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
1710 	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
1711 	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
1712 	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
1713 	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
1714 	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
1715 
1716 	RADEON_WRITE(R700_PA_SC_FORCE_EOV_MAX_CNTS, (R700_FORCE_EOV_MAX_CLK_CNT(4095) |
1717 						     R700_FORCE_EOV_MAX_REZ_CNT(255)));
1718 
1719 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
1720 		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_TC_ONLY) |
1721 							   R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
1722 	else
1723 		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_VC_AND_TC) |
1724 							   R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
1725 
1726 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1727 	case CHIP_RV770:
1728 	case CHIP_RV730:
1729 	case CHIP_RV740:
1730 		gs_prim_buffer_depth = 384;
1731 		break;
1732 	case CHIP_RV710:
1733 		gs_prim_buffer_depth = 128;
1734 		break;
1735 	default:
1736 		break;
1737 	}
1738 
1739 	num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
1740 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1741 	/* Max value for this is 256 */
1742 	if (vgt_gs_per_es > 256)
1743 		vgt_gs_per_es = 256;
1744 
1745 	RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
1746 	RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
1747 	RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
1748 
1749 	/* more default values. 2D/3D driver should adjust as needed */
1750 	RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
1751 	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
1752 	RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
1753 	RADEON_WRITE(R600_SX_MISC, 0);
1754 	RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
1755 	RADEON_WRITE(R700_PA_SC_EDGERULE, 0xaaaaaaaa);
1756 	RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
1757 	RADEON_WRITE(R600_PA_SC_CLIPRECT_RULE, 0xffff);
1758 	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
1759 	RADEON_WRITE(R600_SPI_INPUT_Z, 0);
1760 	RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
1761 	RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
1762 
1763 	/* clear render buffer base addresses */
1764 	RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
1765 	RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
1766 	RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
1767 	RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
1768 	RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
1769 	RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
1770 	RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
1771 	RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
1772 
1773 	RADEON_WRITE(R700_TCP_CNTL, 0);
1774 
1775 	hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
1776 	RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1777 
1778 	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
1779 
1780 	RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
1781 					  R600_NUM_CLIP_SEQ(3)));
1782 
1783 }
1784 
r600_cp_init_ring_buffer(struct drm_device * dev,drm_radeon_private_t * dev_priv,struct drm_file * file_priv)1785 static void r600_cp_init_ring_buffer(struct drm_device *dev,
1786 				       drm_radeon_private_t *dev_priv,
1787 				       struct drm_file *file_priv)
1788 {
1789 	struct drm_radeon_master_private *master_priv;
1790 	u32 ring_start;
1791 	u64 rptr_addr;
1792 
1793 	if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
1794 		r700_gfx_init(dev, dev_priv);
1795 	else
1796 		r600_gfx_init(dev, dev_priv);
1797 
1798 	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
1799 	RADEON_READ(R600_GRBM_SOFT_RESET);
1800 	mdelay(15);
1801 	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
1802 
1803 
1804 	/* Set ring buffer size */
1805 #ifdef __BIG_ENDIAN
1806 	RADEON_WRITE(R600_CP_RB_CNTL,
1807 		     R600_BUF_SWAP_32BIT |
1808 		     R600_RB_NO_UPDATE |
1809 		     (dev_priv->ring.rptr_update_l2qw << 8) |
1810 		     dev_priv->ring.size_l2qw);
1811 #else
1812 	RADEON_WRITE(R600_CP_RB_CNTL,
1813 		     RADEON_RB_NO_UPDATE |
1814 		     (dev_priv->ring.rptr_update_l2qw << 8) |
1815 		     dev_priv->ring.size_l2qw);
1816 #endif
1817 
1818 	RADEON_WRITE(R600_CP_SEM_WAIT_TIMER, 0x0);
1819 
1820 	/* Set the write pointer delay */
1821 	RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
1822 
1823 #ifdef __BIG_ENDIAN
1824 	RADEON_WRITE(R600_CP_RB_CNTL,
1825 		     R600_BUF_SWAP_32BIT |
1826 		     R600_RB_NO_UPDATE |
1827 		     R600_RB_RPTR_WR_ENA |
1828 		     (dev_priv->ring.rptr_update_l2qw << 8) |
1829 		     dev_priv->ring.size_l2qw);
1830 #else
1831 	RADEON_WRITE(R600_CP_RB_CNTL,
1832 		     R600_RB_NO_UPDATE |
1833 		     R600_RB_RPTR_WR_ENA |
1834 		     (dev_priv->ring.rptr_update_l2qw << 8) |
1835 		     dev_priv->ring.size_l2qw);
1836 #endif
1837 
1838 	/* Initialize the ring buffer's read and write pointers */
1839 	RADEON_WRITE(R600_CP_RB_RPTR_WR, 0);
1840 	RADEON_WRITE(R600_CP_RB_WPTR, 0);
1841 	SET_RING_HEAD(dev_priv, 0);
1842 	dev_priv->ring.tail = 0;
1843 
1844 #if __OS_HAS_AGP
1845 	if (dev_priv->flags & RADEON_IS_AGP) {
1846 		rptr_addr = dev_priv->ring_rptr->offset
1847 			- dev->agp->base +
1848 			dev_priv->gart_vm_start;
1849 	} else
1850 #endif
1851 	{
1852 		rptr_addr = dev_priv->ring_rptr->offset
1853 			- ((unsigned long) dev->sg->virtual)
1854 			+ dev_priv->gart_vm_start;
1855 	}
1856 	RADEON_WRITE(R600_CP_RB_RPTR_ADDR, (rptr_addr & 0xfffffffc));
1857 	RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI, upper_32_bits(rptr_addr));
1858 
1859 #ifdef __BIG_ENDIAN
1860 	RADEON_WRITE(R600_CP_RB_CNTL,
1861 		     RADEON_BUF_SWAP_32BIT |
1862 		     (dev_priv->ring.rptr_update_l2qw << 8) |
1863 		     dev_priv->ring.size_l2qw);
1864 #else
1865 	RADEON_WRITE(R600_CP_RB_CNTL,
1866 		     (dev_priv->ring.rptr_update_l2qw << 8) |
1867 		     dev_priv->ring.size_l2qw);
1868 #endif
1869 
1870 #if __OS_HAS_AGP
1871 	if (dev_priv->flags & RADEON_IS_AGP) {
1872 		/* XXX */
1873 		radeon_write_agp_base(dev_priv, dev->agp->base);
1874 
1875 		/* XXX */
1876 		radeon_write_agp_location(dev_priv,
1877 			     (((dev_priv->gart_vm_start - 1 +
1878 				dev_priv->gart_size) & 0xffff0000) |
1879 			      (dev_priv->gart_vm_start >> 16)));
1880 
1881 		ring_start = (dev_priv->cp_ring->offset
1882 			      - dev->agp->base
1883 			      + dev_priv->gart_vm_start);
1884 	} else
1885 #endif
1886 		ring_start = (dev_priv->cp_ring->offset
1887 			      - (unsigned long)dev->sg->virtual
1888 			      + dev_priv->gart_vm_start);
1889 
1890 	RADEON_WRITE(R600_CP_RB_BASE, ring_start >> 8);
1891 
1892 	RADEON_WRITE(R600_CP_ME_CNTL, 0xff);
1893 
1894 	RADEON_WRITE(R600_CP_DEBUG, (1 << 27) | (1 << 28));
1895 
1896 	/* Initialize the scratch register pointer.  This will cause
1897 	 * the scratch register values to be written out to memory
1898 	 * whenever they are updated.
1899 	 *
1900 	 * We simply put this behind the ring read pointer, this works
1901 	 * with PCI GART as well as (whatever kind of) AGP GART
1902 	 */
1903 	{
1904 		u64 scratch_addr;
1905 
1906 		scratch_addr = RADEON_READ(R600_CP_RB_RPTR_ADDR) & 0xFFFFFFFC;
1907 		scratch_addr |= ((u64)RADEON_READ(R600_CP_RB_RPTR_ADDR_HI)) << 32;
1908 		scratch_addr += R600_SCRATCH_REG_OFFSET;
1909 		scratch_addr >>= 8;
1910 		scratch_addr &= 0xffffffff;
1911 
1912 		RADEON_WRITE(R600_SCRATCH_ADDR, (uint32_t)scratch_addr);
1913 	}
1914 
1915 	RADEON_WRITE(R600_SCRATCH_UMSK, 0x7);
1916 
1917 	/* Turn on bus mastering */
1918 	radeon_enable_bm(dev_priv);
1919 
1920 	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(0), 0);
1921 	RADEON_WRITE(R600_LAST_FRAME_REG, 0);
1922 
1923 	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
1924 	RADEON_WRITE(R600_LAST_DISPATCH_REG, 0);
1925 
1926 	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(2), 0);
1927 	RADEON_WRITE(R600_LAST_CLEAR_REG, 0);
1928 
1929 	/* reset sarea copies of these */
1930 	master_priv = file_priv->master->driver_priv;
1931 	if (master_priv->sarea_priv) {
1932 		master_priv->sarea_priv->last_frame = 0;
1933 		master_priv->sarea_priv->last_dispatch = 0;
1934 		master_priv->sarea_priv->last_clear = 0;
1935 	}
1936 
1937 	r600_do_wait_for_idle(dev_priv);
1938 
1939 }
1940 
r600_do_cleanup_cp(struct drm_device * dev)1941 int r600_do_cleanup_cp(struct drm_device *dev)
1942 {
1943 	drm_radeon_private_t *dev_priv = dev->dev_private;
1944 	DRM_DEBUG("\n");
1945 
1946 	/* Make sure interrupts are disabled here because the uninstall ioctl
1947 	 * may not have been called from userspace and after dev_private
1948 	 * is freed, it's too late.
1949 	 */
1950 	if (dev->irq_enabled)
1951 		drm_irq_uninstall(dev);
1952 
1953 #if __OS_HAS_AGP
1954 	if (dev_priv->flags & RADEON_IS_AGP) {
1955 		if (dev_priv->cp_ring != NULL) {
1956 			drm_core_ioremapfree(dev_priv->cp_ring, dev);
1957 			dev_priv->cp_ring = NULL;
1958 		}
1959 		if (dev_priv->ring_rptr != NULL) {
1960 			drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1961 			dev_priv->ring_rptr = NULL;
1962 		}
1963 		if (dev->agp_buffer_map != NULL) {
1964 			drm_core_ioremapfree(dev->agp_buffer_map, dev);
1965 			dev->agp_buffer_map = NULL;
1966 		}
1967 	} else
1968 #endif
1969 	{
1970 
1971 		if (dev_priv->gart_info.bus_addr)
1972 			r600_page_table_cleanup(dev, &dev_priv->gart_info);
1973 
1974 		if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) {
1975 			drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
1976 			dev_priv->gart_info.addr = NULL;
1977 		}
1978 	}
1979 	/* only clear to the start of flags */
1980 	memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1981 
1982 	return 0;
1983 }
1984 
r600_do_init_cp(struct drm_device * dev,drm_radeon_init_t * init,struct drm_file * file_priv)1985 int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
1986 		    struct drm_file *file_priv)
1987 {
1988 	drm_radeon_private_t *dev_priv = dev->dev_private;
1989 	struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
1990 
1991 	DRM_DEBUG("\n");
1992 
1993 	mutex_init(&dev_priv->cs_mutex);
1994 	r600_cs_legacy_init();
1995 	/* if we require new memory map but we don't have it fail */
1996 	if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
1997 		DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
1998 		r600_do_cleanup_cp(dev);
1999 		return -EINVAL;
2000 	}
2001 
2002 	if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
2003 		DRM_DEBUG("Forcing AGP card to PCI mode\n");
2004 		dev_priv->flags &= ~RADEON_IS_AGP;
2005 		/* The writeback test succeeds, but when writeback is enabled,
2006 		 * the ring buffer read ptr update fails after first 128 bytes.
2007 		 */
2008 		radeon_no_wb = 1;
2009 	} else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
2010 		 && !init->is_pci) {
2011 		DRM_DEBUG("Restoring AGP flag\n");
2012 		dev_priv->flags |= RADEON_IS_AGP;
2013 	}
2014 
2015 	dev_priv->usec_timeout = init->usec_timeout;
2016 	if (dev_priv->usec_timeout < 1 ||
2017 	    dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
2018 		DRM_DEBUG("TIMEOUT problem!\n");
2019 		r600_do_cleanup_cp(dev);
2020 		return -EINVAL;
2021 	}
2022 
2023 	/* Enable vblank on CRTC1 for older X servers
2024 	 */
2025 	dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
2026 	dev_priv->do_boxes = 0;
2027 	dev_priv->cp_mode = init->cp_mode;
2028 
2029 	/* We don't support anything other than bus-mastering ring mode,
2030 	 * but the ring can be in either AGP or PCI space for the ring
2031 	 * read pointer.
2032 	 */
2033 	if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
2034 	    (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
2035 		DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
2036 		r600_do_cleanup_cp(dev);
2037 		return -EINVAL;
2038 	}
2039 
2040 	switch (init->fb_bpp) {
2041 	case 16:
2042 		dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
2043 		break;
2044 	case 32:
2045 	default:
2046 		dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
2047 		break;
2048 	}
2049 	dev_priv->front_offset = init->front_offset;
2050 	dev_priv->front_pitch = init->front_pitch;
2051 	dev_priv->back_offset = init->back_offset;
2052 	dev_priv->back_pitch = init->back_pitch;
2053 
2054 	dev_priv->ring_offset = init->ring_offset;
2055 	dev_priv->ring_rptr_offset = init->ring_rptr_offset;
2056 	dev_priv->buffers_offset = init->buffers_offset;
2057 	dev_priv->gart_textures_offset = init->gart_textures_offset;
2058 
2059 	master_priv->sarea = drm_getsarea(dev);
2060 	if (!master_priv->sarea) {
2061 		DRM_ERROR("could not find sarea!\n");
2062 		r600_do_cleanup_cp(dev);
2063 		return -EINVAL;
2064 	}
2065 
2066 	dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
2067 	if (!dev_priv->cp_ring) {
2068 		DRM_ERROR("could not find cp ring region!\n");
2069 		r600_do_cleanup_cp(dev);
2070 		return -EINVAL;
2071 	}
2072 	dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
2073 	if (!dev_priv->ring_rptr) {
2074 		DRM_ERROR("could not find ring read pointer!\n");
2075 		r600_do_cleanup_cp(dev);
2076 		return -EINVAL;
2077 	}
2078 	dev->agp_buffer_token = init->buffers_offset;
2079 	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
2080 	if (!dev->agp_buffer_map) {
2081 		DRM_ERROR("could not find dma buffer region!\n");
2082 		r600_do_cleanup_cp(dev);
2083 		return -EINVAL;
2084 	}
2085 
2086 	if (init->gart_textures_offset) {
2087 		dev_priv->gart_textures =
2088 		    drm_core_findmap(dev, init->gart_textures_offset);
2089 		if (!dev_priv->gart_textures) {
2090 			DRM_ERROR("could not find GART texture region!\n");
2091 			r600_do_cleanup_cp(dev);
2092 			return -EINVAL;
2093 		}
2094 	}
2095 
2096 #if __OS_HAS_AGP
2097 	/* XXX */
2098 	if (dev_priv->flags & RADEON_IS_AGP) {
2099 		drm_core_ioremap_wc(dev_priv->cp_ring, dev);
2100 		drm_core_ioremap_wc(dev_priv->ring_rptr, dev);
2101 		drm_core_ioremap_wc(dev->agp_buffer_map, dev);
2102 		if (!dev_priv->cp_ring->handle ||
2103 		    !dev_priv->ring_rptr->handle ||
2104 		    !dev->agp_buffer_map->handle) {
2105 			DRM_ERROR("could not find ioremap agp regions!\n");
2106 			r600_do_cleanup_cp(dev);
2107 			return -EINVAL;
2108 		}
2109 	} else
2110 #endif
2111 	{
2112 		dev_priv->cp_ring->handle = (void *)(unsigned long)dev_priv->cp_ring->offset;
2113 		dev_priv->ring_rptr->handle =
2114 			(void *)(unsigned long)dev_priv->ring_rptr->offset;
2115 		dev->agp_buffer_map->handle =
2116 			(void *)(unsigned long)dev->agp_buffer_map->offset;
2117 
2118 		DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
2119 			  dev_priv->cp_ring->handle);
2120 		DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
2121 			  dev_priv->ring_rptr->handle);
2122 		DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
2123 			  dev->agp_buffer_map->handle);
2124 	}
2125 
2126 	dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 24;
2127 	dev_priv->fb_size =
2128 		(((radeon_read_fb_location(dev_priv) & 0xffff0000u) << 8) + 0x1000000)
2129 		- dev_priv->fb_location;
2130 
2131 	dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
2132 					((dev_priv->front_offset
2133 					  + dev_priv->fb_location) >> 10));
2134 
2135 	dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
2136 				       ((dev_priv->back_offset
2137 					 + dev_priv->fb_location) >> 10));
2138 
2139 	dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
2140 					((dev_priv->depth_offset
2141 					  + dev_priv->fb_location) >> 10));
2142 
2143 	dev_priv->gart_size = init->gart_size;
2144 
2145 	/* New let's set the memory map ... */
2146 	if (dev_priv->new_memmap) {
2147 		u32 base = 0;
2148 
2149 		DRM_INFO("Setting GART location based on new memory map\n");
2150 
2151 		/* If using AGP, try to locate the AGP aperture at the same
2152 		 * location in the card and on the bus, though we have to
2153 		 * align it down.
2154 		 */
2155 #if __OS_HAS_AGP
2156 		/* XXX */
2157 		if (dev_priv->flags & RADEON_IS_AGP) {
2158 			base = dev->agp->base;
2159 			/* Check if valid */
2160 			if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
2161 			    base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
2162 				DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
2163 					 dev->agp->base);
2164 				base = 0;
2165 			}
2166 		}
2167 #endif
2168 		/* If not or if AGP is at 0 (Macs), try to put it elsewhere */
2169 		if (base == 0) {
2170 			base = dev_priv->fb_location + dev_priv->fb_size;
2171 			if (base < dev_priv->fb_location ||
2172 			    ((base + dev_priv->gart_size) & 0xfffffffful) < base)
2173 				base = dev_priv->fb_location
2174 					- dev_priv->gart_size;
2175 		}
2176 		dev_priv->gart_vm_start = base & 0xffc00000u;
2177 		if (dev_priv->gart_vm_start != base)
2178 			DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
2179 				 base, dev_priv->gart_vm_start);
2180 	}
2181 
2182 #if __OS_HAS_AGP
2183 	/* XXX */
2184 	if (dev_priv->flags & RADEON_IS_AGP)
2185 		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
2186 						 - dev->agp->base
2187 						 + dev_priv->gart_vm_start);
2188 	else
2189 #endif
2190 		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
2191 						 - (unsigned long)dev->sg->virtual
2192 						 + dev_priv->gart_vm_start);
2193 
2194 	DRM_DEBUG("fb 0x%08x size %d\n",
2195 		  (unsigned int) dev_priv->fb_location,
2196 		  (unsigned int) dev_priv->fb_size);
2197 	DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
2198 	DRM_DEBUG("dev_priv->gart_vm_start 0x%08x\n",
2199 		  (unsigned int) dev_priv->gart_vm_start);
2200 	DRM_DEBUG("dev_priv->gart_buffers_offset 0x%08lx\n",
2201 		  dev_priv->gart_buffers_offset);
2202 
2203 	dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
2204 	dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
2205 			      + init->ring_size / sizeof(u32));
2206 	dev_priv->ring.size = init->ring_size;
2207 	dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
2208 
2209 	dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
2210 	dev_priv->ring.rptr_update_l2qw = drm_order(/* init->rptr_update */ 4096 / 8);
2211 
2212 	dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
2213 	dev_priv->ring.fetch_size_l2ow = drm_order(/* init->fetch_size */ 32 / 16);
2214 
2215 	dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
2216 
2217 	dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
2218 
2219 #if __OS_HAS_AGP
2220 	if (dev_priv->flags & RADEON_IS_AGP) {
2221 		/* XXX turn off pcie gart */
2222 	} else
2223 #endif
2224 	{
2225 		dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
2226 		/* if we have an offset set from userspace */
2227 		if (!dev_priv->pcigart_offset_set) {
2228 			DRM_ERROR("Need gart offset from userspace\n");
2229 			r600_do_cleanup_cp(dev);
2230 			return -EINVAL;
2231 		}
2232 
2233 		DRM_DEBUG("Using gart offset 0x%08lx\n", dev_priv->pcigart_offset);
2234 
2235 		dev_priv->gart_info.bus_addr =
2236 			dev_priv->pcigart_offset + dev_priv->fb_location;
2237 		dev_priv->gart_info.mapping.offset =
2238 			dev_priv->pcigart_offset + dev_priv->fb_aper_offset;
2239 		dev_priv->gart_info.mapping.size =
2240 			dev_priv->gart_info.table_size;
2241 
2242 		drm_core_ioremap_wc(&dev_priv->gart_info.mapping, dev);
2243 		if (!dev_priv->gart_info.mapping.handle) {
2244 			DRM_ERROR("ioremap failed.\n");
2245 			r600_do_cleanup_cp(dev);
2246 			return -EINVAL;
2247 		}
2248 
2249 		dev_priv->gart_info.addr =
2250 			dev_priv->gart_info.mapping.handle;
2251 
2252 		DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
2253 			  dev_priv->gart_info.addr,
2254 			  dev_priv->pcigart_offset);
2255 
2256 		if (!r600_page_table_init(dev)) {
2257 			DRM_ERROR("Failed to init GART table\n");
2258 			r600_do_cleanup_cp(dev);
2259 			return -EINVAL;
2260 		}
2261 
2262 		if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
2263 			r700_vm_init(dev);
2264 		else
2265 			r600_vm_init(dev);
2266 	}
2267 
2268 	if (!dev_priv->me_fw || !dev_priv->pfp_fw) {
2269 		int err = r600_cp_init_microcode(dev_priv);
2270 		if (err) {
2271 			DRM_ERROR("Failed to load firmware!\n");
2272 			r600_do_cleanup_cp(dev);
2273 			return err;
2274 		}
2275 	}
2276 	if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
2277 		r700_cp_load_microcode(dev_priv);
2278 	else
2279 		r600_cp_load_microcode(dev_priv);
2280 
2281 	r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
2282 
2283 	dev_priv->last_buf = 0;
2284 
2285 	r600_do_engine_reset(dev);
2286 	r600_test_writeback(dev_priv);
2287 
2288 	return 0;
2289 }
2290 
r600_do_resume_cp(struct drm_device * dev,struct drm_file * file_priv)2291 int r600_do_resume_cp(struct drm_device *dev, struct drm_file *file_priv)
2292 {
2293 	drm_radeon_private_t *dev_priv = dev->dev_private;
2294 
2295 	DRM_DEBUG("\n");
2296 	if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)) {
2297 		r700_vm_init(dev);
2298 		r700_cp_load_microcode(dev_priv);
2299 	} else {
2300 		r600_vm_init(dev);
2301 		r600_cp_load_microcode(dev_priv);
2302 	}
2303 	r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
2304 	r600_do_engine_reset(dev);
2305 
2306 	return 0;
2307 }
2308 
2309 /* Wait for the CP to go idle.
2310  */
r600_do_cp_idle(drm_radeon_private_t * dev_priv)2311 int r600_do_cp_idle(drm_radeon_private_t *dev_priv)
2312 {
2313 	RING_LOCALS;
2314 	DRM_DEBUG("\n");
2315 
2316 	BEGIN_RING(5);
2317 	OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
2318 	OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
2319 	/* wait for 3D idle clean */
2320 	OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
2321 	OUT_RING((R600_WAIT_UNTIL - R600_SET_CONFIG_REG_OFFSET) >> 2);
2322 	OUT_RING(RADEON_WAIT_3D_IDLE | RADEON_WAIT_3D_IDLECLEAN);
2323 
2324 	ADVANCE_RING();
2325 	COMMIT_RING();
2326 
2327 	return r600_do_wait_for_idle(dev_priv);
2328 }
2329 
2330 /* Start the Command Processor.
2331  */
r600_do_cp_start(drm_radeon_private_t * dev_priv)2332 void r600_do_cp_start(drm_radeon_private_t *dev_priv)
2333 {
2334 	u32 cp_me;
2335 	RING_LOCALS;
2336 	DRM_DEBUG("\n");
2337 
2338 	BEGIN_RING(7);
2339 	OUT_RING(CP_PACKET3(R600_IT_ME_INITIALIZE, 5));
2340 	OUT_RING(0x00000001);
2341 	if (((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV770))
2342 		OUT_RING(0x00000003);
2343 	else
2344 		OUT_RING(0x00000000);
2345 	OUT_RING((dev_priv->r600_max_hw_contexts - 1));
2346 	OUT_RING(R600_ME_INITIALIZE_DEVICE_ID(1));
2347 	OUT_RING(0x00000000);
2348 	OUT_RING(0x00000000);
2349 	ADVANCE_RING();
2350 	COMMIT_RING();
2351 
2352 	/* set the mux and reset the halt bit */
2353 	cp_me = 0xff;
2354 	RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
2355 
2356 	dev_priv->cp_running = 1;
2357 
2358 }
2359 
r600_do_cp_reset(drm_radeon_private_t * dev_priv)2360 void r600_do_cp_reset(drm_radeon_private_t *dev_priv)
2361 {
2362 	u32 cur_read_ptr;
2363 	DRM_DEBUG("\n");
2364 
2365 	cur_read_ptr = RADEON_READ(R600_CP_RB_RPTR);
2366 	RADEON_WRITE(R600_CP_RB_WPTR, cur_read_ptr);
2367 	SET_RING_HEAD(dev_priv, cur_read_ptr);
2368 	dev_priv->ring.tail = cur_read_ptr;
2369 }
2370 
r600_do_cp_stop(drm_radeon_private_t * dev_priv)2371 void r600_do_cp_stop(drm_radeon_private_t *dev_priv)
2372 {
2373 	uint32_t cp_me;
2374 
2375 	DRM_DEBUG("\n");
2376 
2377 	cp_me = 0xff | R600_CP_ME_HALT;
2378 
2379 	RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
2380 
2381 	dev_priv->cp_running = 0;
2382 }
2383 
r600_cp_dispatch_indirect(struct drm_device * dev,struct drm_buf * buf,int start,int end)2384 int r600_cp_dispatch_indirect(struct drm_device *dev,
2385 			      struct drm_buf *buf, int start, int end)
2386 {
2387 	drm_radeon_private_t *dev_priv = dev->dev_private;
2388 	RING_LOCALS;
2389 
2390 	if (start != end) {
2391 		unsigned long offset = (dev_priv->gart_buffers_offset
2392 					+ buf->offset + start);
2393 		int dwords = (end - start + 3) / sizeof(u32);
2394 
2395 		DRM_DEBUG("dwords:%d\n", dwords);
2396 		DRM_DEBUG("offset 0x%lx\n", offset);
2397 
2398 
2399 		/* Indirect buffer data must be a multiple of 16 dwords.
2400 		 * pad the data with a Type-2 CP packet.
2401 		 */
2402 		while (dwords & 0xf) {
2403 			u32 *data = (u32 *)
2404 			    ((char *)dev->agp_buffer_map->handle
2405 			     + buf->offset + start);
2406 			data[dwords++] = RADEON_CP_PACKET2;
2407 		}
2408 
2409 		/* Fire off the indirect buffer */
2410 		BEGIN_RING(4);
2411 		OUT_RING(CP_PACKET3(R600_IT_INDIRECT_BUFFER, 2));
2412 		OUT_RING((offset & 0xfffffffc));
2413 		OUT_RING((upper_32_bits(offset) & 0xff));
2414 		OUT_RING(dwords);
2415 		ADVANCE_RING();
2416 	}
2417 
2418 	return 0;
2419 }
2420 
r600_cp_dispatch_swap(struct drm_device * dev,struct drm_file * file_priv)2421 void r600_cp_dispatch_swap(struct drm_device *dev, struct drm_file *file_priv)
2422 {
2423 	drm_radeon_private_t *dev_priv = dev->dev_private;
2424 	struct drm_master *master = file_priv->master;
2425 	struct drm_radeon_master_private *master_priv = master->driver_priv;
2426 	drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv;
2427 	int nbox = sarea_priv->nbox;
2428 	struct drm_clip_rect *pbox = sarea_priv->boxes;
2429 	int i, cpp, src_pitch, dst_pitch;
2430 	uint64_t src, dst;
2431 	RING_LOCALS;
2432 	DRM_DEBUG("\n");
2433 
2434 	if (dev_priv->color_fmt == RADEON_COLOR_FORMAT_ARGB8888)
2435 		cpp = 4;
2436 	else
2437 		cpp = 2;
2438 
2439 	if (sarea_priv->pfCurrentPage == 0) {
2440 		src_pitch = dev_priv->back_pitch;
2441 		dst_pitch = dev_priv->front_pitch;
2442 		src = dev_priv->back_offset + dev_priv->fb_location;
2443 		dst = dev_priv->front_offset + dev_priv->fb_location;
2444 	} else {
2445 		src_pitch = dev_priv->front_pitch;
2446 		dst_pitch = dev_priv->back_pitch;
2447 		src = dev_priv->front_offset + dev_priv->fb_location;
2448 		dst = dev_priv->back_offset + dev_priv->fb_location;
2449 	}
2450 
2451 	if (r600_prepare_blit_copy(dev, file_priv)) {
2452 		DRM_ERROR("unable to allocate vertex buffer for swap buffer\n");
2453 		return;
2454 	}
2455 	for (i = 0; i < nbox; i++) {
2456 		int x = pbox[i].x1;
2457 		int y = pbox[i].y1;
2458 		int w = pbox[i].x2 - x;
2459 		int h = pbox[i].y2 - y;
2460 
2461 		DRM_DEBUG("%d,%d-%d,%d\n", x, y, w, h);
2462 
2463 		r600_blit_swap(dev,
2464 			       src, dst,
2465 			       x, y, x, y, w, h,
2466 			       src_pitch, dst_pitch, cpp);
2467 	}
2468 	r600_done_blit_copy(dev);
2469 
2470 	/* Increment the frame counter.  The client-side 3D driver must
2471 	 * throttle the framerate by waiting for this value before
2472 	 * performing the swapbuffer ioctl.
2473 	 */
2474 	sarea_priv->last_frame++;
2475 
2476 	BEGIN_RING(3);
2477 	R600_FRAME_AGE(sarea_priv->last_frame);
2478 	ADVANCE_RING();
2479 }
2480 
r600_cp_dispatch_texture(struct drm_device * dev,struct drm_file * file_priv,drm_radeon_texture_t * tex,drm_radeon_tex_image_t * image)2481 int r600_cp_dispatch_texture(struct drm_device *dev,
2482 			     struct drm_file *file_priv,
2483 			     drm_radeon_texture_t *tex,
2484 			     drm_radeon_tex_image_t *image)
2485 {
2486 	drm_radeon_private_t *dev_priv = dev->dev_private;
2487 	struct drm_buf *buf;
2488 	u32 *buffer;
2489 	const u8 __user *data;
2490 	int size, pass_size;
2491 	u64 src_offset, dst_offset;
2492 
2493 	if (!radeon_check_offset(dev_priv, tex->offset)) {
2494 		DRM_ERROR("Invalid destination offset\n");
2495 		return -EINVAL;
2496 	}
2497 
2498 	/* this might fail for zero-sized uploads - are those illegal? */
2499 	if (!radeon_check_offset(dev_priv, tex->offset + tex->height * tex->pitch - 1)) {
2500 		DRM_ERROR("Invalid final destination offset\n");
2501 		return -EINVAL;
2502 	}
2503 
2504 	size = tex->height * tex->pitch;
2505 
2506 	if (size == 0)
2507 		return 0;
2508 
2509 	dst_offset = tex->offset;
2510 
2511 	if (r600_prepare_blit_copy(dev, file_priv)) {
2512 		DRM_ERROR("unable to allocate vertex buffer for swap buffer\n");
2513 		return -EAGAIN;
2514 	}
2515 	do {
2516 		data = (const u8 __user *)image->data;
2517 		pass_size = size;
2518 
2519 		buf = radeon_freelist_get(dev);
2520 		if (!buf) {
2521 			DRM_DEBUG("EAGAIN\n");
2522 			if (DRM_COPY_TO_USER(tex->image, image, sizeof(*image)))
2523 				return -EFAULT;
2524 			return -EAGAIN;
2525 		}
2526 
2527 		if (pass_size > buf->total)
2528 			pass_size = buf->total;
2529 
2530 		/* Dispatch the indirect buffer.
2531 		 */
2532 		buffer =
2533 		    (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
2534 
2535 		if (DRM_COPY_FROM_USER(buffer, data, pass_size)) {
2536 			DRM_ERROR("EFAULT on pad, %d bytes\n", pass_size);
2537 			return -EFAULT;
2538 		}
2539 
2540 		buf->file_priv = file_priv;
2541 		buf->used = pass_size;
2542 		src_offset = dev_priv->gart_buffers_offset + buf->offset;
2543 
2544 		r600_blit_copy(dev, src_offset, dst_offset, pass_size);
2545 
2546 		radeon_cp_discard_buffer(dev, file_priv->master, buf);
2547 
2548 		/* Update the input parameters for next time */
2549 		image->data = (const u8 __user *)image->data + pass_size;
2550 		dst_offset += pass_size;
2551 		size -= pass_size;
2552 	} while (size > 0);
2553 	r600_done_blit_copy(dev);
2554 
2555 	return 0;
2556 }
2557 
2558 /*
2559  * Legacy cs ioctl
2560  */
radeon_cs_id_get(struct drm_radeon_private * radeon)2561 static u32 radeon_cs_id_get(struct drm_radeon_private *radeon)
2562 {
2563 	/* FIXME: check if wrap affect last reported wrap & sequence */
2564 	radeon->cs_id_scnt = (radeon->cs_id_scnt + 1) & 0x00FFFFFF;
2565 	if (!radeon->cs_id_scnt) {
2566 		/* increment wrap counter */
2567 		radeon->cs_id_wcnt += 0x01000000;
2568 		/* valid sequence counter start at 1 */
2569 		radeon->cs_id_scnt = 1;
2570 	}
2571 	return (radeon->cs_id_scnt | radeon->cs_id_wcnt);
2572 }
2573 
r600_cs_id_emit(drm_radeon_private_t * dev_priv,u32 * id)2574 static void r600_cs_id_emit(drm_radeon_private_t *dev_priv, u32 *id)
2575 {
2576 	RING_LOCALS;
2577 
2578 	*id = radeon_cs_id_get(dev_priv);
2579 
2580 	/* SCRATCH 2 */
2581 	BEGIN_RING(3);
2582 	R600_CLEAR_AGE(*id);
2583 	ADVANCE_RING();
2584 	COMMIT_RING();
2585 }
2586 
r600_ib_get(struct drm_device * dev,struct drm_file * fpriv,struct drm_buf ** buffer)2587 static int r600_ib_get(struct drm_device *dev,
2588 			struct drm_file *fpriv,
2589 			struct drm_buf **buffer)
2590 {
2591 	struct drm_buf *buf;
2592 
2593 	*buffer = NULL;
2594 	buf = radeon_freelist_get(dev);
2595 	if (!buf) {
2596 		return -EBUSY;
2597 	}
2598 	buf->file_priv = fpriv;
2599 	*buffer = buf;
2600 	return 0;
2601 }
2602 
r600_ib_free(struct drm_device * dev,struct drm_buf * buf,struct drm_file * fpriv,int l,int r)2603 static void r600_ib_free(struct drm_device *dev, struct drm_buf *buf,
2604 			struct drm_file *fpriv, int l, int r)
2605 {
2606 	drm_radeon_private_t *dev_priv = dev->dev_private;
2607 
2608 	if (buf) {
2609 		if (!r)
2610 			r600_cp_dispatch_indirect(dev, buf, 0, l * 4);
2611 		radeon_cp_discard_buffer(dev, fpriv->master, buf);
2612 		COMMIT_RING();
2613 	}
2614 }
2615 
r600_cs_legacy_ioctl(struct drm_device * dev,void * data,struct drm_file * fpriv)2616 int r600_cs_legacy_ioctl(struct drm_device *dev, void *data, struct drm_file *fpriv)
2617 {
2618 	struct drm_radeon_private *dev_priv = dev->dev_private;
2619 	struct drm_radeon_cs *cs = data;
2620 	struct drm_buf *buf;
2621 	unsigned family;
2622 	int l, r = 0;
2623 	u32 *ib, cs_id = 0;
2624 
2625 	if (dev_priv == NULL) {
2626 		DRM_ERROR("called with no initialization\n");
2627 		return -EINVAL;
2628 	}
2629 	family = dev_priv->flags & RADEON_FAMILY_MASK;
2630 	if (family < CHIP_R600) {
2631 		DRM_ERROR("cs ioctl valid only for R6XX & R7XX in legacy mode\n");
2632 		return -EINVAL;
2633 	}
2634 	mutex_lock(&dev_priv->cs_mutex);
2635 	/* get ib */
2636 	r = r600_ib_get(dev, fpriv, &buf);
2637 	if (r) {
2638 		DRM_ERROR("ib_get failed\n");
2639 		goto out;
2640 	}
2641 	ib = dev->agp_buffer_map->handle + buf->offset;
2642 	/* now parse command stream */
2643 	r = r600_cs_legacy(dev, data,  fpriv, family, ib, &l);
2644 	if (r) {
2645 		goto out;
2646 	}
2647 
2648 out:
2649 	r600_ib_free(dev, buf, fpriv, l, r);
2650 	/* emit cs id sequence */
2651 	r600_cs_id_emit(dev_priv, &cs_id);
2652 	cs->cs_id = cs_id;
2653 	mutex_unlock(&dev_priv->cs_mutex);
2654 	return r;
2655 }
2656 
r600_cs_legacy_get_tiling_conf(struct drm_device * dev,u32 * npipes,u32 * nbanks,u32 * group_size)2657 void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size)
2658 {
2659 	struct drm_radeon_private *dev_priv = dev->dev_private;
2660 
2661 	*npipes = dev_priv->r600_npipes;
2662 	*nbanks = dev_priv->r600_nbanks;
2663 	*group_size = dev_priv->r600_group_size;
2664 }
2665