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   1/*
   2 * Copyright 2008-2009 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the "Software"),
   7 * to deal in the Software without restriction, including without limitation
   8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 * and/or sell copies of the Software, and to permit persons to whom the
  10 * Software is furnished to do so, subject to the following conditions:
  11 *
  12 * The above copyright notice and this permission notice (including the next
  13 * paragraph) shall be included in all copies or substantial portions of the
  14 * Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 * DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors:
  25 *     Dave Airlie <airlied@redhat.com>
  26 *     Alex Deucher <alexander.deucher@amd.com>
  27 */
  28
  29#include "drmP.h"
  30#include "drm.h"
  31#include "radeon_drm.h"
  32#include "radeon_drv.h"
  33
  34#define PFP_UCODE_SIZE 576
  35#define PM4_UCODE_SIZE 1792
  36#define R700_PFP_UCODE_SIZE 848
  37#define R700_PM4_UCODE_SIZE 1360
  38
  39/* Firmware Names */
  40MODULE_FIRMWARE("radeon/R600_pfp.bin");
  41MODULE_FIRMWARE("radeon/R600_me.bin");
  42MODULE_FIRMWARE("radeon/RV610_pfp.bin");
  43MODULE_FIRMWARE("radeon/RV610_me.bin");
  44MODULE_FIRMWARE("radeon/RV630_pfp.bin");
  45MODULE_FIRMWARE("radeon/RV630_me.bin");
  46MODULE_FIRMWARE("radeon/RV620_pfp.bin");
  47MODULE_FIRMWARE("radeon/RV620_me.bin");
  48MODULE_FIRMWARE("radeon/RV635_pfp.bin");
  49MODULE_FIRMWARE("radeon/RV635_me.bin");
  50MODULE_FIRMWARE("radeon/RV670_pfp.bin");
  51MODULE_FIRMWARE("radeon/RV670_me.bin");
  52MODULE_FIRMWARE("radeon/RS780_pfp.bin");
  53MODULE_FIRMWARE("radeon/RS780_me.bin");
  54MODULE_FIRMWARE("radeon/RV770_pfp.bin");
  55MODULE_FIRMWARE("radeon/RV770_me.bin");
  56MODULE_FIRMWARE("radeon/RV730_pfp.bin");
  57MODULE_FIRMWARE("radeon/RV730_me.bin");
  58MODULE_FIRMWARE("radeon/RV710_pfp.bin");
  59MODULE_FIRMWARE("radeon/RV710_me.bin");
  60
  61
  62int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
  63			unsigned family, u32 *ib, int *l);
  64void r600_cs_legacy_init(void);
  65
  66
  67# define ATI_PCIGART_PAGE_SIZE		4096	/**< PCI GART page size */
  68# define ATI_PCIGART_PAGE_MASK		(~(ATI_PCIGART_PAGE_SIZE-1))
  69
  70#define R600_PTE_VALID     (1 << 0)
  71#define R600_PTE_SYSTEM    (1 << 1)
  72#define R600_PTE_SNOOPED   (1 << 2)
  73#define R600_PTE_READABLE  (1 << 5)
  74#define R600_PTE_WRITEABLE (1 << 6)
  75
  76/* MAX values used for gfx init */
  77#define R6XX_MAX_SH_GPRS           256
  78#define R6XX_MAX_TEMP_GPRS         16
  79#define R6XX_MAX_SH_THREADS        256
  80#define R6XX_MAX_SH_STACK_ENTRIES  4096
  81#define R6XX_MAX_BACKENDS          8
  82#define R6XX_MAX_BACKENDS_MASK     0xff
  83#define R6XX_MAX_SIMDS             8
  84#define R6XX_MAX_SIMDS_MASK        0xff
  85#define R6XX_MAX_PIPES             8
  86#define R6XX_MAX_PIPES_MASK        0xff
  87
  88#define R7XX_MAX_SH_GPRS           256
  89#define R7XX_MAX_TEMP_GPRS         16
  90#define R7XX_MAX_SH_THREADS        256
  91#define R7XX_MAX_SH_STACK_ENTRIES  4096
  92#define R7XX_MAX_BACKENDS          8
  93#define R7XX_MAX_BACKENDS_MASK     0xff
  94#define R7XX_MAX_SIMDS             16
  95#define R7XX_MAX_SIMDS_MASK        0xffff
  96#define R7XX_MAX_PIPES             8
  97#define R7XX_MAX_PIPES_MASK        0xff
  98
  99static int r600_do_wait_for_fifo(drm_radeon_private_t *dev_priv, int entries)
 100{
 101	int i;
 102
 103	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 104
 105	for (i = 0; i < dev_priv->usec_timeout; i++) {
 106		int slots;
 107		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
 108			slots = (RADEON_READ(R600_GRBM_STATUS)
 109				 & R700_CMDFIFO_AVAIL_MASK);
 110		else
 111			slots = (RADEON_READ(R600_GRBM_STATUS)
 112				 & R600_CMDFIFO_AVAIL_MASK);
 113		if (slots >= entries)
 114			return 0;
 115		DRM_UDELAY(1);
 116	}
 117	DRM_INFO("wait for fifo failed status : 0x%08X 0x%08X\n",
 118		 RADEON_READ(R600_GRBM_STATUS),
 119		 RADEON_READ(R600_GRBM_STATUS2));
 120
 121	return -EBUSY;
 122}
 123
 124static int r600_do_wait_for_idle(drm_radeon_private_t *dev_priv)
 125{
 126	int i, ret;
 127
 128	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 129
 130	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
 131		ret = r600_do_wait_for_fifo(dev_priv, 8);
 132	else
 133		ret = r600_do_wait_for_fifo(dev_priv, 16);
 134	if (ret)
 135		return ret;
 136	for (i = 0; i < dev_priv->usec_timeout; i++) {
 137		if (!(RADEON_READ(R600_GRBM_STATUS) & R600_GUI_ACTIVE))
 138			return 0;
 139		DRM_UDELAY(1);
 140	}
 141	DRM_INFO("wait idle failed status : 0x%08X 0x%08X\n",
 142		 RADEON_READ(R600_GRBM_STATUS),
 143		 RADEON_READ(R600_GRBM_STATUS2));
 144
 145	return -EBUSY;
 146}
 147
 148void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
 149{
 150	struct drm_sg_mem *entry = dev->sg;
 151	int max_pages;
 152	int pages;
 153	int i;
 154
 155	if (!entry)
 156		return;
 157
 158	if (gart_info->bus_addr) {
 159		max_pages = (gart_info->table_size / sizeof(u64));
 160		pages = (entry->pages <= max_pages)
 161		  ? entry->pages : max_pages;
 162
 163		for (i = 0; i < pages; i++) {
 164			if (!entry->busaddr[i])
 165				break;
 166			pci_unmap_page(dev->pdev, entry->busaddr[i],
 167				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
 168		}
 169		if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
 170			gart_info->bus_addr = 0;
 171	}
 172}
 173
 174/* R600 has page table setup */
 175int r600_page_table_init(struct drm_device *dev)
 176{
 177	drm_radeon_private_t *dev_priv = dev->dev_private;
 178	struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info;
 179	struct drm_local_map *map = &gart_info->mapping;
 180	struct drm_sg_mem *entry = dev->sg;
 181	int ret = 0;
 182	int i, j;
 183	int pages;
 184	u64 page_base;
 185	dma_addr_t entry_addr;
 186	int max_ati_pages, max_real_pages, gart_idx;
 187
 188	/* okay page table is available - lets rock */
 189	max_ati_pages = (gart_info->table_size / sizeof(u64));
 190	max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE);
 191
 192	pages = (entry->pages <= max_real_pages) ?
 193		entry->pages : max_real_pages;
 194
 195	memset_io((void __iomem *)map->handle, 0, max_ati_pages * sizeof(u64));
 196
 197	gart_idx = 0;
 198	for (i = 0; i < pages; i++) {
 199		entry->busaddr[i] = pci_map_page(dev->pdev,
 200						 entry->pagelist[i], 0,
 201						 PAGE_SIZE,
 202						 PCI_DMA_BIDIRECTIONAL);
 203		if (pci_dma_mapping_error(dev->pdev, entry->busaddr[i])) {
 204			DRM_ERROR("unable to map PCIGART pages!\n");
 205			r600_page_table_cleanup(dev, gart_info);
 206			goto done;
 207		}
 208		entry_addr = entry->busaddr[i];
 209		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
 210			page_base = (u64) entry_addr & ATI_PCIGART_PAGE_MASK;
 211			page_base |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
 212			page_base |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
 213
 214			DRM_WRITE64(map, gart_idx * sizeof(u64), page_base);
 215
 216			gart_idx++;
 217
 218			if ((i % 128) == 0)
 219				DRM_DEBUG("page entry %d: 0x%016llx\n",
 220				    i, (unsigned long long)page_base);
 221			entry_addr += ATI_PCIGART_PAGE_SIZE;
 222		}
 223	}
 224	ret = 1;
 225done:
 226	return ret;
 227}
 228
 229static void r600_vm_flush_gart_range(struct drm_device *dev)
 230{
 231	drm_radeon_private_t *dev_priv = dev->dev_private;
 232	u32 resp, countdown = 1000;
 233	RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_LOW_ADDR, dev_priv->gart_vm_start >> 12);
 234	RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
 235	RADEON_WRITE(R600_VM_CONTEXT0_REQUEST_RESPONSE, 2);
 236
 237	do {
 238		resp = RADEON_READ(R600_VM_CONTEXT0_REQUEST_RESPONSE);
 239		countdown--;
 240		DRM_UDELAY(1);
 241	} while (((resp & 0xf0) == 0) && countdown);
 242}
 243
 244static void r600_vm_init(struct drm_device *dev)
 245{
 246	drm_radeon_private_t *dev_priv = dev->dev_private;
 247	/* initialise the VM to use the page table we constructed up there */
 248	u32 vm_c0, i;
 249	u32 mc_rd_a;
 250	u32 vm_l2_cntl, vm_l2_cntl3;
 251	/* okay set up the PCIE aperture type thingo */
 252	RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
 253	RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
 254	RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
 255
 256	/* setup MC RD a */
 257	mc_rd_a = R600_MCD_L1_TLB | R600_MCD_L1_FRAG_PROC | R600_MCD_SYSTEM_ACCESS_MODE_IN_SYS |
 258		R600_MCD_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | R600_MCD_EFFECTIVE_L1_TLB_SIZE(5) |
 259		R600_MCD_EFFECTIVE_L1_QUEUE_SIZE(5) | R600_MCD_WAIT_L2_QUERY;
 260
 261	RADEON_WRITE(R600_MCD_RD_A_CNTL, mc_rd_a);
 262	RADEON_WRITE(R600_MCD_RD_B_CNTL, mc_rd_a);
 263
 264	RADEON_WRITE(R600_MCD_WR_A_CNTL, mc_rd_a);
 265	RADEON_WRITE(R600_MCD_WR_B_CNTL, mc_rd_a);
 266
 267	RADEON_WRITE(R600_MCD_RD_GFX_CNTL, mc_rd_a);
 268	RADEON_WRITE(R600_MCD_WR_GFX_CNTL, mc_rd_a);
 269
 270	RADEON_WRITE(R600_MCD_RD_SYS_CNTL, mc_rd_a);
 271	RADEON_WRITE(R600_MCD_WR_SYS_CNTL, mc_rd_a);
 272
 273	RADEON_WRITE(R600_MCD_RD_HDP_CNTL, mc_rd_a | R600_MCD_L1_STRICT_ORDERING);
 274	RADEON_WRITE(R600_MCD_WR_HDP_CNTL, mc_rd_a /*| R600_MCD_L1_STRICT_ORDERING*/);
 275
 276	RADEON_WRITE(R600_MCD_RD_PDMA_CNTL, mc_rd_a);
 277	RADEON_WRITE(R600_MCD_WR_PDMA_CNTL, mc_rd_a);
 278
 279	RADEON_WRITE(R600_MCD_RD_SEM_CNTL, mc_rd_a | R600_MCD_SEMAPHORE_MODE);
 280	RADEON_WRITE(R600_MCD_WR_SEM_CNTL, mc_rd_a);
 281
 282	vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
 283	vm_l2_cntl |= R600_VM_L2_CNTL_QUEUE_SIZE(7);
 284	RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
 285
 286	RADEON_WRITE(R600_VM_L2_CNTL2, 0);
 287	vm_l2_cntl3 = (R600_VM_L2_CNTL3_BANK_SELECT_0(0) |
 288		       R600_VM_L2_CNTL3_BANK_SELECT_1(1) |
 289		       R600_VM_L2_CNTL3_CACHE_UPDATE_MODE(2));
 290	RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
 291
 292	vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
 293
 294	RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
 295
 296	vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
 297
 298	/* disable all other contexts */
 299	for (i = 1; i < 8; i++)
 300		RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
 301
 302	RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
 303	RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
 304	RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
 305
 306	r600_vm_flush_gart_range(dev);
 307}
 308
 309static int r600_cp_init_microcode(drm_radeon_private_t *dev_priv)
 310{
 311	struct platform_device *pdev;
 312	const char *chip_name;
 313	size_t pfp_req_size, me_req_size;
 314	char fw_name[30];
 315	int err;
 316
 317	pdev = platform_device_register_simple("r600_cp", 0, NULL, 0);
 318	err = IS_ERR(pdev);
 319	if (err) {
 320		printk(KERN_ERR "r600_cp: Failed to register firmware\n");
 321		return -EINVAL;
 322	}
 323
 324	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 325	case CHIP_R600:  chip_name = "R600";  break;
 326	case CHIP_RV610: chip_name = "RV610"; break;
 327	case CHIP_RV630: chip_name = "RV630"; break;
 328	case CHIP_RV620: chip_name = "RV620"; break;
 329	case CHIP_RV635: chip_name = "RV635"; break;
 330	case CHIP_RV670: chip_name = "RV670"; break;
 331	case CHIP_RS780:
 332	case CHIP_RS880: chip_name = "RS780"; break;
 333	case CHIP_RV770: chip_name = "RV770"; break;
 334	case CHIP_RV730:
 335	case CHIP_RV740: chip_name = "RV730"; break;
 336	case CHIP_RV710: chip_name = "RV710"; break;
 337	default:         BUG();
 338	}
 339
 340	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770) {
 341		pfp_req_size = R700_PFP_UCODE_SIZE * 4;
 342		me_req_size = R700_PM4_UCODE_SIZE * 4;
 343	} else {
 344		pfp_req_size = PFP_UCODE_SIZE * 4;
 345		me_req_size = PM4_UCODE_SIZE * 12;
 346	}
 347
 348	DRM_INFO("Loading %s CP Microcode\n", chip_name);
 349
 350	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
 351	err = request_firmware(&dev_priv->pfp_fw, fw_name, &pdev->dev);
 352	if (err)
 353		goto out;
 354	if (dev_priv->pfp_fw->size != pfp_req_size) {
 355		printk(KERN_ERR
 356		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
 357		       dev_priv->pfp_fw->size, fw_name);
 358		err = -EINVAL;
 359		goto out;
 360	}
 361
 362	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 363	err = request_firmware(&dev_priv->me_fw, fw_name, &pdev->dev);
 364	if (err)
 365		goto out;
 366	if (dev_priv->me_fw->size != me_req_size) {
 367		printk(KERN_ERR
 368		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
 369		       dev_priv->me_fw->size, fw_name);
 370		err = -EINVAL;
 371	}
 372out:
 373	platform_device_unregister(pdev);
 374
 375	if (err) {
 376		if (err != -EINVAL)
 377			printk(KERN_ERR
 378			       "r600_cp: Failed to load firmware \"%s\"\n",
 379			       fw_name);
 380		release_firmware(dev_priv->pfp_fw);
 381		dev_priv->pfp_fw = NULL;
 382		release_firmware(dev_priv->me_fw);
 383		dev_priv->me_fw = NULL;
 384	}
 385	return err;
 386}
 387
 388static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
 389{
 390	const __be32 *fw_data;
 391	int i;
 392
 393	if (!dev_priv->me_fw || !dev_priv->pfp_fw)
 394		return;
 395
 396	r600_do_cp_stop(dev_priv);
 397
 398	RADEON_WRITE(R600_CP_RB_CNTL,
 399#ifdef __BIG_ENDIAN
 400		     R600_BUF_SWAP_32BIT |
 401#endif
 402		     R600_RB_NO_UPDATE |
 403		     R600_RB_BLKSZ(15) |
 404		     R600_RB_BUFSZ(3));
 405
 406	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
 407	RADEON_READ(R600_GRBM_SOFT_RESET);
 408	DRM_UDELAY(15000);
 409	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
 410
 411	fw_data = (const __be32 *)dev_priv->me_fw->data;
 412	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
 413	for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
 414		RADEON_WRITE(R600_CP_ME_RAM_DATA,
 415			     be32_to_cpup(fw_data++));
 416
 417	fw_data = (const __be32 *)dev_priv->pfp_fw->data;
 418	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
 419	for (i = 0; i < PFP_UCODE_SIZE; i++)
 420		RADEON_WRITE(R600_CP_PFP_UCODE_DATA,
 421			     be32_to_cpup(fw_data++));
 422
 423	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
 424	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
 425	RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
 426
 427}
 428
 429static void r700_vm_init(struct drm_device *dev)
 430{
 431	drm_radeon_private_t *dev_priv = dev->dev_private;
 432	/* initialise the VM to use the page table we constructed up there */
 433	u32 vm_c0, i;
 434	u32 mc_vm_md_l1;
 435	u32 vm_l2_cntl, vm_l2_cntl3;
 436	/* okay set up the PCIE aperture type thingo */
 437	RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
 438	RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
 439	RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
 440
 441	mc_vm_md_l1 = R700_ENABLE_L1_TLB |
 442	    R700_ENABLE_L1_FRAGMENT_PROCESSING |
 443	    R700_SYSTEM_ACCESS_MODE_IN_SYS |
 444	    R700_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 445	    R700_EFFECTIVE_L1_TLB_SIZE(5) |
 446	    R700_EFFECTIVE_L1_QUEUE_SIZE(5);
 447
 448	RADEON_WRITE(R700_MC_VM_MD_L1_TLB0_CNTL, mc_vm_md_l1);
 449	RADEON_WRITE(R700_MC_VM_MD_L1_TLB1_CNTL, mc_vm_md_l1);
 450	RADEON_WRITE(R700_MC_VM_MD_L1_TLB2_CNTL, mc_vm_md_l1);
 451	RADEON_WRITE(R700_MC_VM_MB_L1_TLB0_CNTL, mc_vm_md_l1);
 452	RADEON_WRITE(R700_MC_VM_MB_L1_TLB1_CNTL, mc_vm_md_l1);
 453	RADEON_WRITE(R700_MC_VM_MB_L1_TLB2_CNTL, mc_vm_md_l1);
 454	RADEON_WRITE(R700_MC_VM_MB_L1_TLB3_CNTL, mc_vm_md_l1);
 455
 456	vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
 457	vm_l2_cntl |= R700_VM_L2_CNTL_QUEUE_SIZE(7);
 458	RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
 459
 460	RADEON_WRITE(R600_VM_L2_CNTL2, 0);
 461	vm_l2_cntl3 = R700_VM_L2_CNTL3_BANK_SELECT(0) | R700_VM_L2_CNTL3_CACHE_UPDATE_MODE(2);
 462	RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
 463
 464	vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
 465
 466	RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
 467
 468	vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
 469
 470	/* disable all other contexts */
 471	for (i = 1; i < 8; i++)
 472		RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
 473
 474	RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
 475	RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
 476	RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
 477
 478	r600_vm_flush_gart_range(dev);
 479}
 480
 481static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv)
 482{
 483	const __be32 *fw_data;
 484	int i;
 485
 486	if (!dev_priv->me_fw || !dev_priv->pfp_fw)
 487		return;
 488
 489	r600_do_cp_stop(dev_priv);
 490
 491	RADEON_WRITE(R600_CP_RB_CNTL,
 492#ifdef __BIG_ENDIAN
 493		     R600_BUF_SWAP_32BIT |
 494#endif
 495		     R600_RB_NO_UPDATE |
 496		     R600_RB_BLKSZ(15) |
 497		     R600_RB_BUFSZ(3));
 498
 499	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
 500	RADEON_READ(R600_GRBM_SOFT_RESET);
 501	DRM_UDELAY(15000);
 502	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
 503
 504	fw_data = (const __be32 *)dev_priv->pfp_fw->data;
 505	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
 506	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
 507		RADEON_WRITE(R600_CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
 508	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
 509
 510	fw_data = (const __be32 *)dev_priv->me_fw->data;
 511	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
 512	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
 513		RADEON_WRITE(R600_CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
 514	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
 515
 516	RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
 517	RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
 518	RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
 519
 520}
 521
 522static void r600_test_writeback(drm_radeon_private_t *dev_priv)
 523{
 524	u32 tmp;
 525
 526	/* Start with assuming that writeback doesn't work */
 527	dev_priv->writeback_works = 0;
 528
 529	/* Writeback doesn't seem to work everywhere, test it here and possibly
 530	 * enable it if it appears to work
 531	 */
 532	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
 533
 534	RADEON_WRITE(R600_SCRATCH_REG1, 0xdeadbeef);
 535
 536	for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
 537		u32 val;
 538
 539		val = radeon_read_ring_rptr(dev_priv, R600_SCRATCHOFF(1));
 540		if (val == 0xdeadbeef)
 541			break;
 542		DRM_UDELAY(1);
 543	}
 544
 545	if (tmp < dev_priv->usec_timeout) {
 546		dev_priv->writeback_works = 1;
 547		DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
 548	} else {
 549		dev_priv->writeback_works = 0;
 550		DRM_INFO("writeback test failed\n");
 551	}
 552	if (radeon_no_wb == 1) {
 553		dev_priv->writeback_works = 0;
 554		DRM_INFO("writeback forced off\n");
 555	}
 556
 557	if (!dev_priv->writeback_works) {
 558		/* Disable writeback to avoid unnecessary bus master transfer */
 559		RADEON_WRITE(R600_CP_RB_CNTL,
 560#ifdef __BIG_ENDIAN
 561			     R600_BUF_SWAP_32BIT |
 562#endif
 563			     RADEON_READ(R600_CP_RB_CNTL) |
 564			     R600_RB_NO_UPDATE);
 565		RADEON_WRITE(R600_SCRATCH_UMSK, 0);
 566	}
 567}
 568
 569int r600_do_engine_reset(struct drm_device *dev)
 570{
 571	drm_radeon_private_t *dev_priv = dev->dev_private;
 572	u32 cp_ptr, cp_me_cntl, cp_rb_cntl;
 573
 574	DRM_INFO("Resetting GPU\n");
 575
 576	cp_ptr = RADEON_READ(R600_CP_RB_WPTR);
 577	cp_me_cntl = RADEON_READ(R600_CP_ME_CNTL);
 578	RADEON_WRITE(R600_CP_ME_CNTL, R600_CP_ME_HALT);
 579
 580	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0x7fff);
 581	RADEON_READ(R600_GRBM_SOFT_RESET);
 582	DRM_UDELAY(50);
 583	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
 584	RADEON_READ(R600_GRBM_SOFT_RESET);
 585
 586	RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
 587	cp_rb_cntl = RADEON_READ(R600_CP_RB_CNTL);
 588	RADEON_WRITE(R600_CP_RB_CNTL,
 589#ifdef __BIG_ENDIAN
 590		     R600_BUF_SWAP_32BIT |
 591#endif
 592		     R600_RB_RPTR_WR_ENA);
 593
 594	RADEON_WRITE(R600_CP_RB_RPTR_WR, cp_ptr);
 595	RADEON_WRITE(R600_CP_RB_WPTR, cp_ptr);
 596	RADEON_WRITE(R600_CP_RB_CNTL, cp_rb_cntl);
 597	RADEON_WRITE(R600_CP_ME_CNTL, cp_me_cntl);
 598
 599	/* Reset the CP ring */
 600	r600_do_cp_reset(dev_priv);
 601
 602	/* The CP is no longer running after an engine reset */
 603	dev_priv->cp_running = 0;
 604
 605	/* Reset any pending vertex, indirect buffers */
 606	radeon_freelist_reset(dev);
 607
 608	return 0;
 609
 610}
 611
 612static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 613					     u32 num_backends,
 614					     u32 backend_disable_mask)
 615{
 616	u32 backend_map = 0;
 617	u32 enabled_backends_mask;
 618	u32 enabled_backends_count;
 619	u32 cur_pipe;
 620	u32 swizzle_pipe[R6XX_MAX_PIPES];
 621	u32 cur_backend;
 622	u32 i;
 623
 624	if (num_tile_pipes > R6XX_MAX_PIPES)
 625		num_tile_pipes = R6XX_MAX_PIPES;
 626	if (num_tile_pipes < 1)
 627		num_tile_pipes = 1;
 628	if (num_backends > R6XX_MAX_BACKENDS)
 629		num_backends = R6XX_MAX_BACKENDS;
 630	if (num_backends < 1)
 631		num_backends = 1;
 632
 633	enabled_backends_mask = 0;
 634	enabled_backends_count = 0;
 635	for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
 636		if (((backend_disable_mask >> i) & 1) == 0) {
 637			enabled_backends_mask |= (1 << i);
 638			++enabled_backends_count;
 639		}
 640		if (enabled_backends_count == num_backends)
 641			break;
 642	}
 643
 644	if (enabled_backends_count == 0) {
 645		enabled_backends_mask = 1;
 646		enabled_backends_count = 1;
 647	}
 648
 649	if (enabled_backends_count != num_backends)
 650		num_backends = enabled_backends_count;
 651
 652	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
 653	switch (num_tile_pipes) {
 654	case 1:
 655		swizzle_pipe[0] = 0;
 656		break;
 657	case 2:
 658		swizzle_pipe[0] = 0;
 659		swizzle_pipe[1] = 1;
 660		break;
 661	case 3:
 662		swizzle_pipe[0] = 0;
 663		swizzle_pipe[1] = 1;
 664		swizzle_pipe[2] = 2;
 665		break;
 666	case 4:
 667		swizzle_pipe[0] = 0;
 668		swizzle_pipe[1] = 1;
 669		swizzle_pipe[2] = 2;
 670		swizzle_pipe[3] = 3;
 671		break;
 672	case 5:
 673		swizzle_pipe[0] = 0;
 674		swizzle_pipe[1] = 1;
 675		swizzle_pipe[2] = 2;
 676		swizzle_pipe[3] = 3;
 677		swizzle_pipe[4] = 4;
 678		break;
 679	case 6:
 680		swizzle_pipe[0] = 0;
 681		swizzle_pipe[1] = 2;
 682		swizzle_pipe[2] = 4;
 683		swizzle_pipe[3] = 5;
 684		swizzle_pipe[4] = 1;
 685		swizzle_pipe[5] = 3;
 686		break;
 687	case 7:
 688		swizzle_pipe[0] = 0;
 689		swizzle_pipe[1] = 2;
 690		swizzle_pipe[2] = 4;
 691		swizzle_pipe[3] = 6;
 692		swizzle_pipe[4] = 1;
 693		swizzle_pipe[5] = 3;
 694		swizzle_pipe[6] = 5;
 695		break;
 696	case 8:
 697		swizzle_pipe[0] = 0;
 698		swizzle_pipe[1] = 2;
 699		swizzle_pipe[2] = 4;
 700		swizzle_pipe[3] = 6;
 701		swizzle_pipe[4] = 1;
 702		swizzle_pipe[5] = 3;
 703		swizzle_pipe[6] = 5;
 704		swizzle_pipe[7] = 7;
 705		break;
 706	}
 707
 708	cur_backend = 0;
 709	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
 710		while (((1 << cur_backend) & enabled_backends_mask) == 0)
 711			cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
 712
 713		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
 714
 715		cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
 716	}
 717
 718	return backend_map;
 719}
 720
 721static int r600_count_pipe_bits(uint32_t val)
 722{
 723	int i, ret = 0;
 724	for (i = 0; i < 32; i++) {
 725		ret += val & 1;
 726		val >>= 1;
 727	}
 728	return ret;
 729}
 730
 731static void r600_gfx_init(struct drm_device *dev,
 732			  drm_radeon_private_t *dev_priv)
 733{
 734	int i, j, num_qd_pipes;
 735	u32 sx_debug_1;
 736	u32 tc_cntl;
 737	u32 arb_pop;
 738	u32 num_gs_verts_per_thread;
 739	u32 vgt_gs_per_es;
 740	u32 gs_prim_buffer_depth = 0;
 741	u32 sq_ms_fifo_sizes;
 742	u32 sq_config;
 743	u32 sq_gpr_resource_mgmt_1 = 0;
 744	u32 sq_gpr_resource_mgmt_2 = 0;
 745	u32 sq_thread_resource_mgmt = 0;
 746	u32 sq_stack_resource_mgmt_1 = 0;
 747	u32 sq_stack_resource_mgmt_2 = 0;
 748	u32 hdp_host_path_cntl;
 749	u32 backend_map;
 750	u32 gb_tiling_config = 0;
 751	u32 cc_rb_backend_disable;
 752	u32 cc_gc_shader_pipe_config;
 753	u32 ramcfg;
 754
 755	/* setup chip specs */
 756	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 757	case CHIP_R600:
 758		dev_priv->r600_max_pipes = 4;
 759		dev_priv->r600_max_tile_pipes = 8;
 760		dev_priv->r600_max_simds = 4;
 761		dev_priv->r600_max_backends = 4;
 762		dev_priv->r600_max_gprs = 256;
 763		dev_priv->r600_max_threads = 192;
 764		dev_priv->r600_max_stack_entries = 256;
 765		dev_priv->r600_max_hw_contexts = 8;
 766		dev_priv->r600_max_gs_threads = 16;
 767		dev_priv->r600_sx_max_export_size = 128;
 768		dev_priv->r600_sx_max_export_pos_size = 16;
 769		dev_priv->r600_sx_max_export_smx_size = 128;
 770		dev_priv->r600_sq_num_cf_insts = 2;
 771		break;
 772	case CHIP_RV630:
 773	case CHIP_RV635:
 774		dev_priv->r600_max_pipes = 2;
 775		dev_priv->r600_max_tile_pipes = 2;
 776		dev_priv->r600_max_simds = 3;
 777		dev_priv->r600_max_backends = 1;
 778		dev_priv->r600_max_gprs = 128;
 779		dev_priv->r600_max_threads = 192;
 780		dev_priv->r600_max_stack_entries = 128;
 781		dev_priv->r600_max_hw_contexts = 8;
 782		dev_priv->r600_max_gs_threads = 4;
 783		dev_priv->r600_sx_max_export_size = 128;
 784		dev_priv->r600_sx_max_export_pos_size = 16;
 785		dev_priv->r600_sx_max_export_smx_size = 128;
 786		dev_priv->r600_sq_num_cf_insts = 2;
 787		break;
 788	case CHIP_RV610:
 789	case CHIP_RS780:
 790	case CHIP_RS880:
 791	case CHIP_RV620:
 792		dev_priv->r600_max_pipes = 1;
 793		dev_priv->r600_max_tile_pipes = 1;
 794		dev_priv->r600_max_simds = 2;
 795		dev_priv->r600_max_backends = 1;
 796		dev_priv->r600_max_gprs = 128;
 797		dev_priv->r600_max_threads = 192;
 798		dev_priv->r600_max_stack_entries = 128;
 799		dev_priv->r600_max_hw_contexts = 4;
 800		dev_priv->r600_max_gs_threads = 4;
 801		dev_priv->r600_sx_max_export_size = 128;
 802		dev_priv->r600_sx_max_export_pos_size = 16;
 803		dev_priv->r600_sx_max_export_smx_size = 128;
 804		dev_priv->r600_sq_num_cf_insts = 1;
 805		break;
 806	case CHIP_RV670:
 807		dev_priv->r600_max_pipes = 4;
 808		dev_priv->r600_max_tile_pipes = 4;
 809		dev_priv->r600_max_simds = 4;
 810		dev_priv->r600_max_backends = 4;
 811		dev_priv->r600_max_gprs = 192;
 812		dev_priv->r600_max_threads = 192;
 813		dev_priv->r600_max_stack_entries = 256;
 814		dev_priv->r600_max_hw_contexts = 8;
 815		dev_priv->r600_max_gs_threads = 16;
 816		dev_priv->r600_sx_max_export_size = 128;
 817		dev_priv->r600_sx_max_export_pos_size = 16;
 818		dev_priv->r600_sx_max_export_smx_size = 128;
 819		dev_priv->r600_sq_num_cf_insts = 2;
 820		break;
 821	default:
 822		break;
 823	}
 824
 825	/* Initialize HDP */
 826	j = 0;
 827	for (i = 0; i < 32; i++) {
 828		RADEON_WRITE((0x2c14 + j), 0x00000000);
 829		RADEON_WRITE((0x2c18 + j), 0x00000000);
 830		RADEON_WRITE((0x2c1c + j), 0x00000000);
 831		RADEON_WRITE((0x2c20 + j), 0x00000000);
 832		RADEON_WRITE((0x2c24 + j), 0x00000000);
 833		j += 0x18;
 834	}
 835
 836	RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
 837
 838	/* setup tiling, simd, pipe config */
 839	ramcfg = RADEON_READ(R600_RAMCFG);
 840
 841	switch (dev_priv->r600_max_tile_pipes) {
 842	case 1:
 843		gb_tiling_config |= R600_PIPE_TILING(0);
 844		break;
 845	case 2:
 846		gb_tiling_config |= R600_PIPE_TILING(1);
 847		break;
 848	case 4:
 849		gb_tiling_config |= R600_PIPE_TILING(2);
 850		break;
 851	case 8:
 852		gb_tiling_config |= R600_PIPE_TILING(3);
 853		break;
 854	default:
 855		break;
 856	}
 857
 858	gb_tiling_config |= R600_BANK_TILING((ramcfg >> R600_NOOFBANK_SHIFT) & R600_NOOFBANK_MASK);
 859
 860	gb_tiling_config |= R600_GROUP_SIZE(0);
 861
 862	if (((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK) > 3) {
 863		gb_tiling_config |= R600_ROW_TILING(3);
 864		gb_tiling_config |= R600_SAMPLE_SPLIT(3);
 865	} else {
 866		gb_tiling_config |=
 867			R600_ROW_TILING(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
 868		gb_tiling_config |=
 869			R600_SAMPLE_SPLIT(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
 870	}
 871
 872	gb_tiling_config |= R600_BANK_SWAPS(1);
 873
 874	cc_rb_backend_disable = RADEON_READ(R600_CC_RB_BACKEND_DISABLE) & 0x00ff0000;
 875	cc_rb_backend_disable |=
 876		R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
 877
 878	cc_gc_shader_pipe_config = RADEON_READ(R600_CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
 879	cc_gc_shader_pipe_config |=
 880		R600_INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R6XX_MAX_PIPES_MASK);
 881	cc_gc_shader_pipe_config |=
 882		R600_INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R6XX_MAX_SIMDS_MASK);
 883
 884	backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
 885							(R6XX_MAX_BACKENDS -
 886							 r600_count_pipe_bits((cc_rb_backend_disable &
 887									       R6XX_MAX_BACKENDS_MASK) >> 16)),
 888							(cc_rb_backend_disable >> 16));
 889	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
 890
 891	RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
 892	RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
 893	RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
 894	if (gb_tiling_config & 0xc0) {
 895		dev_priv->r600_group_size = 512;
 896	} else {
 897		dev_priv->r600_group_size = 256;
 898	}
 899	dev_priv->r600_npipes = 1 << ((gb_tiling_config >> 1) & 0x7);
 900	if (gb_tiling_config & 0x30) {
 901		dev_priv->r600_nbanks = 8;
 902	} else {
 903		dev_priv->r600_nbanks = 4;
 904	}
 905
 906	RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
 907	RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
 908	RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
 909
 910	num_qd_pipes =
 911		R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK) >> 8);
 912	RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
 913	RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
 914
 915	/* set HW defaults for 3D engine */
 916	RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
 917						R600_ROQ_IB2_START(0x2b)));
 918
 919	RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, (R600_MEQ_END(0x40) |
 920					      R600_ROQ_END(0x40)));
 921
 922	RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
 923					R600_SYNC_GRADIENT |
 924					R600_SYNC_WALKER |
 925					R600_SYNC_ALIGNER));
 926
 927	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670)
 928		RADEON_WRITE(R600_ARB_GDEC_RD_CNTL, 0x00000021);
 929
 930	sx_debug_1 = RADEON_READ(R600_SX_DEBUG_1);
 931	sx_debug_1 |= R600_SMX_EVENT_RELEASE;
 932	if (((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_R600))
 933		sx_debug_1 |= R600_ENABLE_NEW_SMX_ADDRESS;
 934	RADEON_WRITE(R600_SX_DEBUG_1, sx_debug_1);
 935
 936	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
 937	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
 938	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
 939	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
 940	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
 941	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
 942		RADEON_WRITE(R600_DB_DEBUG, R600_PREZ_MUST_WAIT_FOR_POSTZ_DONE);
 943	else
 944		RADEON_WRITE(R600_DB_DEBUG, 0);
 945
 946	RADEON_WRITE(R600_DB_WATERMARKS, (R600_DEPTH_FREE(4) |
 947					  R600_DEPTH_FLUSH(16) |
 948					  R600_DEPTH_PENDING_FREE(4) |
 949					  R600_DEPTH_CACHELINE_FREE(16)));
 950	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
 951	RADEON_WRITE(R600_VGT_NUM_INSTANCES, 0);
 952
 953	RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
 954	RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(0));
 955
 956	sq_ms_fifo_sizes = RADEON_READ(R600_SQ_MS_FIFO_SIZES);
 957	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
 958	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
 959	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
 960	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
 961		sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(0xa) |
 962				    R600_FETCH_FIFO_HIWATER(0xa) |
 963				    R600_DONE_FIFO_HIWATER(0xe0) |
 964				    R600_ALU_UPDATE_FIFO_HIWATER(0x8));
 965	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
 966		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630)) {
 967		sq_ms_fifo_sizes &= ~R600_DONE_FIFO_HIWATER(0xff);
 968		sq_ms_fifo_sizes |= R600_DONE_FIFO_HIWATER(0x4);
 969	}
 970	RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
 971
 972	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
 973	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
 974	 */
 975	sq_config = RADEON_READ(R600_SQ_CONFIG);
 976	sq_config &= ~(R600_PS_PRIO(3) |
 977		       R600_VS_PRIO(3) |
 978		       R600_GS_PRIO(3) |
 979		       R600_ES_PRIO(3));
 980	sq_config |= (R600_DX9_CONSTS |
 981		      R600_VC_ENABLE |
 982		      R600_PS_PRIO(0) |
 983		      R600_VS_PRIO(1) |
 984		      R600_GS_PRIO(2) |
 985		      R600_ES_PRIO(3));
 986
 987	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) {
 988		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(124) |
 989					  R600_NUM_VS_GPRS(124) |
 990					  R600_NUM_CLAUSE_TEMP_GPRS(4));
 991		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(0) |
 992					  R600_NUM_ES_GPRS(0));
 993		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(136) |
 994					   R600_NUM_VS_THREADS(48) |
 995					   R600_NUM_GS_THREADS(4) |
 996					   R600_NUM_ES_THREADS(4));
 997		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(128) |
 998					    R600_NUM_VS_STACK_ENTRIES(128));
 999		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(0) |
1000					    R600_NUM_ES_STACK_ENTRIES(0));
1001	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
1002		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
1003		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
1004		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
1005		/* no vertex cache */
1006		sq_config &= ~R600_VC_ENABLE;
1007
1008		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
1009					  R600_NUM_VS_GPRS(44) |
1010					  R600_NUM_CLAUSE_TEMP_GPRS(2));
1011		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
1012					  R600_NUM_ES_GPRS(17));
1013		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
1014					   R600_NUM_VS_THREADS(78) |
1015					   R600_NUM_GS_THREADS(4) |
1016					   R600_NUM_ES_THREADS(31));
1017		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
1018					    R600_NUM_VS_STACK_ENTRIES(40));
1019		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
1020					    R600_NUM_ES_STACK_ENTRIES(16));
1021	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
1022		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV635)) {
1023		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
1024					  R600_NUM_VS_GPRS(44) |
1025					  R600_NUM_CLAUSE_TEMP_GPRS(2));
1026		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(18) |
1027					  R600_NUM_ES_GPRS(18));
1028		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
1029					   R600_NUM_VS_THREADS(78) |
1030					   R600_NUM_GS_THREADS(4) |
1031					   R600_NUM_ES_THREADS(31));
1032		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
1033					    R600_NUM_VS_STACK_ENTRIES(40));
1034		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
1035					    R600_NUM_ES_STACK_ENTRIES(16));
1036	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670) {
1037		sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
1038					  R600_NUM_VS_GPRS(44) |
1039					  R600_NUM_CLAUSE_TEMP_GPRS(2));
1040		sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
1041					  R600_NUM_ES_GPRS(17));
1042		sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
1043					   R600_NUM_VS_THREADS(78) |
1044					   R600_NUM_GS_THREADS(4) |
1045					   R600_NUM_ES_THREADS(31));
1046		sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(64) |
1047					    R600_NUM_VS_STACK_ENTRIES(64));
1048		sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(64) |
1049					    R600_NUM_ES_STACK_ENTRIES(64));
1050	}
1051
1052	RADEON_WRITE(R600_SQ_CONFIG, sq_config);
1053	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
1054	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
1055	RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1056	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1057	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1058
1059	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
1060	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
1061	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
1062	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
1063		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_TC_ONLY));
1064	else
1065		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_VC_AND_TC));
1066
1067	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_2S, (R600_S0_X(0xc) |
1068						    R600_S0_Y(0x4) |
1069						    R600_S1_X(0x4) |
1070						    R600_S1_Y(0xc)));
1071	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_4S, (R600_S0_X(0xe) |
1072						    R600_S0_Y(0xe) |
1073						    R600_S1_X(0x2) |
1074						    R600_S1_Y(0x2) |
1075						    R600_S2_X(0xa) |
1076						    R600_S2_Y(0x6) |
1077						    R600_S3_X(0x6) |
1078						    R600_S3_Y(0xa)));
1079	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD0, (R600_S0_X(0xe) |
1080							R600_S0_Y(0xb) |
1081							R600_S1_X(0x4) |
1082							R600_S1_Y(0xc) |
1083							R600_S2_X(0x1) |
1084							R600_S2_Y(0x6) |
1085							R600_S3_X(0xa) |
1086							R600_S3_Y(0xe)));
1087	RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD1, (R600_S4_X(0x6) |
1088							R600_S4_Y(0x1) |
1089							R600_S5_X(0x0) |
1090							R600_S5_Y(0x0) |
1091							R600_S6_X(0xb) |
1092							R600_S6_Y(0x4) |
1093							R600_S7_X(0x7) |
1094							R600_S7_Y(0x8)));
1095
1096
1097	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1098	case CHIP_R600:
1099	case CHIP_RV630:
1100	case CHIP_RV635:
1101		gs_prim_buffer_depth = 0;
1102		break;
1103	case CHIP_RV610:
1104	case CHIP_RS780:
1105	case CHIP_RS880:
1106	case CHIP_RV620:
1107		gs_prim_buffer_depth = 32;
1108		break;
1109	case CHIP_RV670:
1110		gs_prim_buffer_depth = 128;
1111		break;
1112	default:
1113		break;
1114	}
1115
1116	num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
1117	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1118	/* Max value for this is 256 */
1119	if (vgt_gs_per_es > 256)
1120		vgt_gs_per_es = 256;
1121
1122	RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
1123	RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
1124	RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
1125	RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
1126
1127	/* more default values. 2D/3D driver should adjust as needed */
1128	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
1129	RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
1130	RADEON_WRITE(R600_SX_MISC, 0);
1131	RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
1132	RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
1133	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
1134	RADEON_WRITE(R600_SPI_INPUT_Z, 0);
1135	RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
1136	RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
1137
1138	/* clear render buffer base addresses */
1139	RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
1140	RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
1141	RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
1142	RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
1143	RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
1144	RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
1145	RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
1146	RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
1147
1148	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1149	case CHIP_RV610:
1150	case CHIP_RS780:
1151	case CHIP_RS880:
1152	case CHIP_RV620:
1153		tc_cntl = R600_TC_L2_SIZE(8);
1154		break;
1155	case CHIP_RV630:
1156	case CHIP_RV635:
1157		tc_cntl = R600_TC_L2_SIZE(4);
1158		break;
1159	case CHIP_R600:
1160		tc_cntl = R600_TC_L2_SIZE(0) | R600_L2_DISABLE_LATE_HIT;
1161		break;
1162	default:
1163		tc_cntl = R600_TC_L2_SIZE(0);
1164		break;
1165	}
1166
1167	RADEON_WRITE(R600_TC_CNTL, tc_cntl);
1168
1169	hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
1170	RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1171
1172	arb_pop = RADEON_READ(R600_ARB_POP);
1173	arb_pop |= R600_ENABLE_TC128;
1174	RADEON_WRITE(R600_ARB_POP, arb_pop);
1175
1176	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
1177	RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
1178					  R600_NUM_CLIP_SEQ(3)));
1179	RADEON_WRITE(R600_PA_SC_ENHANCE, R600_FORCE_EOV_MAX_CLK_CNT(4095));
1180
1181}
1182
1183static u32 r700_get_tile_pipe_to_backend_map(drm_radeon_private_t *dev_priv,
1184					     u32 num_tile_pipes,
1185					     u32 num_backends,
1186					     u32 backend_disable_mask)
1187{
1188	u32 backend_map = 0;
1189	u32 enabled_backends_mask;
1190	u32 enabled_backends_count;
1191	u32 cur_pipe;
1192	u32 swizzle_pipe[R7XX_MAX_PIPES];
1193	u32 cur_backend;
1194	u32 i;
1195	bool force_no_swizzle;
1196
1197	if (num_tile_pipes > R7XX_MAX_PIPES)
1198		num_tile_pipes = R7XX_MAX_PIPES;
1199	if (num_tile_pipes < 1)
1200		num_tile_pipes = 1;
1201	if (num_backends > R7XX_MAX_BACKENDS)
1202		num_backends = R7XX_MAX_BACKENDS;
1203	if (num_backends < 1)
1204		num_backends = 1;
1205
1206	enabled_backends_mask = 0;
1207	enabled_backends_count = 0;
1208	for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
1209		if (((backend_disable_mask >> i) & 1) == 0) {
1210			enabled_backends_mask |= (1 << i);
1211			++enabled_backends_count;
1212		}
1213		if (enabled_backends_count == num_backends)
1214			break;
1215	}
1216
1217	if (enabled_backends_count == 0) {
1218		enabled_backends_mask = 1;
1219		enabled_backends_count = 1;
1220	}
1221
1222	if (enabled_backends_count != num_backends)
1223		num_backends = enabled_backends_count;
1224
1225	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1226	case CHIP_RV770:
1227	case CHIP_RV730:
1228		force_no_swizzle = false;
1229		break;
1230	case CHIP_RV710:
1231	case CHIP_RV740:
1232	default:
1233		force_no_swizzle = true;
1234		break;
1235	}
1236
1237	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
1238	switch (num_tile_pipes) {
1239	case 1:
1240		swizzle_pipe[0] = 0;
1241		break;
1242	case 2:
1243		swizzle_pipe[0] = 0;
1244		swizzle_pipe[1] = 1;
1245		break;
1246	case 3:
1247		if (force_no_swizzle) {
1248			swizzle_pipe[0] = 0;
1249			swizzle_pipe[1] = 1;
1250			swizzle_pipe[2] = 2;
1251		} else {
1252			swizzle_pipe[0] = 0;
1253			swizzle_pipe[1] = 2;
1254			swizzle_pipe[2] = 1;
1255		}
1256		break;
1257	case 4:
1258		if (force_no_swizzle) {
1259			swizzle_pipe[0] = 0;
1260			swizzle_pipe[1] = 1;
1261			swizzle_pipe[2] = 2;
1262			swizzle_pipe[3] = 3;
1263		} else {
1264			swizzle_pipe[0] = 0;
1265			swizzle_pipe[1] = 2;
1266			swizzle_pipe[2] = 3;
1267			swizzle_pipe[3] = 1;
1268		}
1269		break;
1270	case 5:
1271		if (force_no_swizzle) {
1272			swizzle_pipe[0] = 0;
1273			swizzle_pipe[1] = 1;
1274			swizzle_pipe[2] = 2;
1275			swizzle_pipe[3] = 3;
1276			swizzle_pipe[4] = 4;
1277		} else {
1278			swizzle_pipe[0] = 0;
1279			swizzle_pipe[1] = 2;
1280			swizzle_pipe[2] = 4;
1281			swizzle_pipe[3] = 1;
1282			swizzle_pipe[4] = 3;
1283		}
1284		break;
1285	case 6:
1286		if (force_no_swizzle) {
1287			swizzle_pipe[0] = 0;
1288			swizzle_pipe[1] = 1;
1289			swizzle_pipe[2] = 2;
1290			swizzle_pipe[3] = 3;
1291			swizzle_pipe[4] = 4;
1292			swizzle_pipe[5] = 5;
1293		} else {
1294			swizzle_pipe[0] = 0;
1295			swizzle_pipe[1] = 2;
1296			swizzle_pipe[2] = 4;
1297			swizzle_pipe[3] = 5;
1298			swizzle_pipe[4] = 3;
1299			swizzle_pipe[5] = 1;
1300		}
1301		break;
1302	case 7:
1303		if (force_no_swizzle) {
1304			swizzle_pipe[0] = 0;
1305			swizzle_pipe[1] = 1;
1306			swizzle_pipe[2] = 2;
1307			swizzle_pipe[3] = 3;
1308			swizzle_pipe[4] = 4;
1309			swizzle_pipe[5] = 5;
1310			swizzle_pipe[6] = 6;
1311		} else {
1312			swizzle_pipe[0] = 0;
1313			swizzle_pipe[1] = 2;
1314			swizzle_pipe[2] = 4;
1315			swizzle_pipe[3] = 6;
1316			swizzle_pipe[4] = 3;
1317			swizzle_pipe[5] = 1;
1318			swizzle_pipe[6] = 5;
1319		}
1320		break;
1321	case 8:
1322		if (force_no_swizzle) {
1323			swizzle_pipe[0] = 0;
1324			swizzle_pipe[1] = 1;
1325			swizzle_pipe[2] = 2;
1326			swizzle_pipe[3] = 3;
1327			swizzle_pipe[4] = 4;
1328			swizzle_pipe[5] = 5;
1329			swizzle_pipe[6] = 6;
1330			swizzle_pipe[7] = 7;
1331		} else {
1332			swizzle_pipe[0] = 0;
1333			swizzle_pipe[1] = 2;
1334			swizzle_pipe[2] = 4;
1335			swizzle_pipe[3] = 6;
1336			swizzle_pipe[4] = 3;
1337			swizzle_pipe[5] = 1;
1338			swizzle_pipe[6] = 7;
1339			swizzle_pipe[7] = 5;
1340		}
1341		break;
1342	}
1343
1344	cur_backend = 0;
1345	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1346		while (((1 << cur_backend) & enabled_backends_mask) == 0)
1347			cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
1348
1349		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
1350
1351		cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
1352	}
1353
1354	return backend_map;
1355}
1356
1357static void r700_gfx_init(struct drm_device *dev,
1358			  drm_radeon_private_t *dev_priv)
1359{
1360	int i, j, num_qd_pipes;
1361	u32 ta_aux_cntl;
1362	u32 sx_debug_1;
1363	u32 smx_dc_ctl0;
1364	u32 db_debug3;
1365	u32 num_gs_verts_per_thread;
1366	u32 vgt_gs_per_es;
1367	u32 gs_prim_buffer_depth = 0;
1368	u32 sq_ms_fifo_sizes;
1369	u32 sq_config;
1370	u32 sq_thread_resource_mgmt;
1371	u32 hdp_host_path_cntl;
1372	u32 sq_dyn_gpr_size_simd_ab_0;
1373	u32 backend_map;
1374	u32 gb_tiling_config = 0;
1375	u32 cc_rb_backend_disable;
1376	u32 cc_gc_shader_pipe_config;
1377	u32 mc_arb_ramcfg;
1378	u32 db_debug4;
1379
1380	/* setup chip specs */
1381	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1382	case CHIP_RV770:
1383		dev_priv->r600_max_pipes = 4;
1384		dev_priv->r600_max_tile_pipes = 8;
1385		dev_priv->r600_max_simds = 10;
1386		dev_priv->r600_max_backends = 4;
1387		dev_priv->r600_max_gprs = 256;
1388		dev_priv->r600_max_threads = 248;
1389		dev_priv->r600_max_stack_entries = 512;
1390		dev_priv->r600_max_hw_contexts = 8;
1391		dev_priv->r600_max_gs_threads = 16 * 2;
1392		dev_priv->r600_sx_max_export_size = 128;
1393		dev_priv->r600_sx_max_export_pos_size = 16;
1394		dev_priv->r600_sx_max_export_smx_size = 112;
1395		dev_priv->r600_sq_num_cf_insts = 2;
1396
1397		dev_priv->r700_sx_num_of_sets = 7;
1398		dev_priv->r700_sc_prim_fifo_size = 0xF9;
1399		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1400		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1401		break;
1402	case CHIP_RV730:
1403		dev_priv->r600_max_pipes = 2;
1404		dev_priv->r600_max_tile_pipes = 4;
1405		dev_priv->r600_max_simds = 8;
1406		dev_priv->r600_max_backends = 2;
1407		dev_priv->r600_max_gprs = 128;
1408		dev_priv->r600_max_threads = 248;
1409		dev_priv->r600_max_stack_entries = 256;
1410		dev_priv->r600_max_hw_contexts = 8;
1411		dev_priv->r600_max_gs_threads = 16 * 2;
1412		dev_priv->r600_sx_max_export_size = 256;
1413		dev_priv->r600_sx_max_export_pos_size = 32;
1414		dev_priv->r600_sx_max_export_smx_size = 224;
1415		dev_priv->r600_sq_num_cf_insts = 2;
1416
1417		dev_priv->r700_sx_num_of_sets = 7;
1418		dev_priv->r700_sc_prim_fifo_size = 0xf9;
1419		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1420		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1421		if (dev_priv->r600_sx_max_export_pos_size > 16) {
1422			dev_priv->r600_sx_max_export_pos_size -= 16;
1423			dev_priv->r600_sx_max_export_smx_size += 16;
1424		}
1425		break;
1426	case CHIP_RV710:
1427		dev_priv->r600_max_pipes = 2;
1428		dev_priv->r600_max_tile_pipes = 2;
1429		dev_priv->r600_max_simds = 2;
1430		dev_priv->r600_max_backends = 1;
1431		dev_priv->r600_max_gprs = 256;
1432		dev_priv->r600_max_threads = 192;
1433		dev_priv->r600_max_stack_entries = 256;
1434		dev_priv->r600_max_hw_contexts = 4;
1435		dev_priv->r600_max_gs_threads = 8 * 2;
1436		dev_priv->r600_sx_max_export_size = 128;
1437		dev_priv->r600_sx_max_export_pos_size = 16;
1438		dev_priv->r600_sx_max_export_smx_size = 112;
1439		dev_priv->r600_sq_num_cf_insts = 1;
1440
1441		dev_priv->r700_sx_num_of_sets = 7;
1442		dev_priv->r700_sc_prim_fifo_size = 0x40;
1443		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1444		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1445		break;
1446	case CHIP_RV740:
1447		dev_priv->r600_max_pipes = 4;
1448		dev_priv->r600_max_tile_pipes = 4;
1449		dev_priv->r600_max_simds = 8;
1450		dev_priv->r600_max_backends = 4;
1451		dev_priv->r600_max_gprs = 256;
1452		dev_priv->r600_max_threads = 248;
1453		dev_priv->r600_max_stack_entries = 512;
1454		dev_priv->r600_max_hw_contexts = 8;
1455		dev_priv->r600_max_gs_threads = 16 * 2;
1456		dev_priv->r600_sx_max_export_size = 256;
1457		dev_priv->r600_sx_max_export_pos_size = 32;
1458		dev_priv->r600_sx_max_export_smx_size = 224;
1459		dev_priv->r600_sq_num_cf_insts = 2;
1460
1461		dev_priv->r700_sx_num_of_sets = 7;
1462		dev_priv->r700_sc_prim_fifo_size = 0x100;
1463		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
1464		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
1465
1466		if (dev_priv->r600_sx_max_export_pos_size > 16) {
1467			dev_priv->r600_sx_max_export_pos_size -= 16;
1468			dev_priv->r600_sx_max_export_smx_size += 16;
1469		}
1470		break;
1471	default:
1472		break;
1473	}
1474
1475	/* Initialize HDP */
1476	j = 0;
1477	for (i = 0; i < 32; i++) {
1478		RADEON_WRITE((0x2c14 + j), 0x00000000);
1479		RADEON_WRITE((0x2c18 + j), 0x00000000);
1480		RADEON_WRITE((0x2c1c + j), 0x00000000);
1481		RADEON_WRITE((0x2c20 + j), 0x00000000);
1482		RADEON_WRITE((0x2c24 + j), 0x00000000);
1483		j += 0x18;
1484	}
1485
1486	RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
1487
1488	/* setup tiling, simd, pipe config */
1489	mc_arb_ramcfg = RADEON_READ(R700_MC_ARB_RAMCFG);
1490
1491	switch (dev_priv->r600_max_tile_pipes) {
1492	case 1:
1493		gb_tiling_config |= R600_PIPE_TILING(0);
1494		break;
1495	case 2:
1496		gb_tiling_config |= R600_PIPE_TILING(1);
1497		break;
1498	case 4:
1499		gb_tiling_config |= R600_PIPE_TILING(2);
1500		break;
1501	case 8:
1502		gb_tiling_config |= R600_PIPE_TILING(3);
1503		break;
1504	default:
1505		break;
1506	}
1507
1508	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
1509		gb_tiling_config |= R600_BANK_TILING(1);
1510	else
1511		gb_tiling_config |= R600_BANK_TILING((mc_arb_ramcfg >> R700_NOOFBANK_SHIFT) & R700_NOOFBANK_MASK);
1512
1513	gb_tiling_config |= R600_GROUP_SIZE(0);
1514
1515	if (((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK) > 3) {
1516		gb_tiling_config |= R600_ROW_TILING(3);
1517		gb_tiling_config |= R600_SAMPLE_SPLIT(3);
1518	} else {
1519		gb_tiling_config |=
1520			R600_ROW_TILING(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
1521		gb_tiling_config |=
1522			R600_SAMPLE_SPLIT(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
1523	}
1524
1525	gb_tiling_config |= R600_BANK_SWAPS(1);
1526
1527	cc_rb_backend_disable = RADEON_READ(R600_CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1528	cc_rb_backend_disable |=
1529		R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
1530
1531	cc_gc_shader_pipe_config = RADEON_READ(R600_CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1532	cc_gc_shader_pipe_config |=
1533		R600_INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R7XX_MAX_PIPES_MASK);
1534	cc_gc_shader_pipe_config |=
1535		R600_INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R7XX_MAX_SIMDS_MASK);
1536
1537	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)
1538		backend_map = 0x28;
1539	else
1540		backend_map = r700_get_tile_pipe_to_backend_map(dev_priv,
1541								dev_priv->r600_max_tile_pipes,
1542								(R7XX_MAX_BACKENDS -
1543								 r600_count_pipe_bits((cc_rb_backend_disable &
1544										       R7XX_MAX_BACKENDS_MASK) >> 16)),
1545								(cc_rb_backend_disable >> 16));
1546	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
1547
1548	RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
1549	RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
1550	RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
1551	if (gb_tiling_config & 0xc0) {
1552		dev_priv->r600_group_size = 512;
1553	} else {
1554		dev_priv->r600_group_size = 256;
1555	}
1556	dev_priv->r600_npipes = 1 << ((gb_tiling_config >> 1) & 0x7);
1557	if (gb_tiling_config & 0x30) {
1558		dev_priv->r600_nbanks = 8;
1559	} else {
1560		dev_priv->r600_nbanks = 4;
1561	}
1562
1563	RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
1564	RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
1565	RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1566
1567	RADEON_WRITE(R700_CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
1568	RADEON_WRITE(R700_CGTS_SYS_TCC_DISABLE, 0);
1569	RADEON_WRITE(R700_CGTS_TCC_DISABLE, 0);
1570	RADEON_WRITE(R700_CGTS_USER_SYS_TCC_DISABLE, 0);
1571	RADEON_WRITE(R700_CGTS_USER_TCC_DISABLE, 0);
1572
1573	num_qd_pipes =
1574		R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK) >> 8);
1575	RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
1576	RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
1577
1578	/* set HW defaults for 3D engine */
1579	RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
1580						R600_ROQ_IB2_START(0x2b)));
1581
1582	RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, R700_STQ_SPLIT(0x30));
1583
1584	ta_aux_cntl = RADEON_READ(R600_TA_CNTL_AUX);
1585	RADEON_WRITE(R600_TA_CNTL_AUX, ta_aux_cntl | R600_DISABLE_CUBE_ANISO);
1586
1587	sx_debug_1 = RADEON_READ(R700_SX_DEBUG_1);
1588	sx_debug_1 |= R700_ENABLE_NEW_SMX_ADDRESS;
1589	RADEON_WRITE(R700_SX_DEBUG_1, sx_debug_1);
1590
1591	smx_dc_ctl0 = RADEON_READ(R600_SMX_DC_CTL0);
1592	smx_dc_ctl0 &= ~R700_CACHE_DEPTH(0x1ff);
1593	smx_dc_ctl0 |= R700_CACHE_DEPTH((dev_priv->r700_sx_num_of_sets * 64) - 1);
1594	RADEON_WRITE(R600_SMX_DC_CTL0, smx_dc_ctl0);
1595
1596	if ((dev_priv->flags & RADEON_FAMILY_MASK) != CHIP_RV740)
1597		RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
1598						  R700_GS_FLUSH_CTL(4) |
1599						  R700_ACK_FLUSH_CTL(3) |
1600						  R700_SYNC_FLUSH_CTL));
1601
1602	db_debug3 = RADEON_READ(R700_DB_DEBUG3);
1603	db_debug3 &= ~R700_DB_CLK_OFF_DELAY(0x1f);
1604	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1605	case CHIP_RV770:
1606	case CHIP_RV740:
1607		db_debug3 |= R700_DB_CLK_OFF_DELAY(0x1f);
1608		break;
1609	case CHIP_RV710:
1610	case CHIP_RV730:
1611	default:
1612		db_debug3 |= R700_DB_CLK_OFF_DELAY(2);
1613		break;
1614	}
1615	RADEON_WRITE(R700_DB_DEBUG3, db_debug3);
1616
1617	if ((dev_priv->flags & RADEON_FAMILY_MASK) != CHIP_RV770) {
1618		db_debug4 = RADEON_READ(RV700_DB_DEBUG4);
1619		db_debug4 |= RV700_DISABLE_TILE_COVERED_FOR_PS_ITER;
1620		RADEON_WRITE(RV700_DB_DEBUG4, db_debug4);
1621	}
1622
1623	RADEON_WRITE(R600_SX_EXPORT_BUFFER_SIZES, (R600_COLOR_BUFFER_SIZE((dev_priv->r600_sx_max_export_size / 4) - 1) |
1624						   R600_POSITION_BUFFER_SIZE((dev_priv->r600_sx_max_export_pos_size / 4) - 1) |
1625						   R600_SMX_BUFFER_SIZE((dev_priv->r600_sx_max_export_smx_size / 4) - 1)));
1626
1627	RADEON_WRITE(R700_PA_SC_FIFO_SIZE_R7XX, (R700_SC_PRIM_FIFO_SIZE(dev_priv->r700_sc_prim_fifo_size) |
1628						 R700_SC_HIZ_TILE_FIFO_SIZE(dev_priv->r700_sc_hiz_tile_fifo_size) |
1629						 R700_SC_EARLYZ_TILE_FIFO_SIZE(dev_priv->r700_sc_earlyz_tile_fifo_fize)));
1630
1631	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
1632
1633	RADEON_WRITE(R600_VGT_NUM_INSTANCES, 1);
1634
1635	RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
1636
1637	RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(4));
1638
1639	RADEON_WRITE(R600_CP_PERFMON_CNTL, 0);
1640
1641	sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(16 * dev_priv->r600_sq_num_cf_insts) |
1642			    R600_DONE_FIFO_HIWATER(0xe0) |
1643			    R600_ALU_UPDATE_FIFO_HIWATER(0x8));
1644	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1645	case CHIP_RV770:
1646	case CHIP_RV730:
1647	case CHIP_RV710:
1648		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
1649		break;
1650	case CHIP_RV740:
1651	default:
1652		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4);
1653		break;
1654	}
1655	RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
1656
1657	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1658	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1659	 */
1660	sq_config = RADEON_READ(R600_SQ_CONFIG);
1661	sq_config &= ~(R600_PS_PRIO(3) |
1662		       R600_VS_PRIO(3) |
1663		       R600_GS_PRIO(3) |
1664		       R600_ES_PRIO(3));
1665	sq_config |= (R600_DX9_CONSTS |
1666		      R600_VC_ENABLE |
1667		      R600_EXPORT_SRC_C |
1668		      R600_PS_PRIO(0) |
1669		      R600_VS_PRIO(1) |
1670		      R600_GS_PRIO(2) |
1671		      R600_ES_PRIO(3));
1672	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
1673		/* no vertex cache */
1674		sq_config &= ~R600_VC_ENABLE;
1675
1676	RADEON_WRITE(R600_SQ_CONFIG, sq_config);
1677
1678	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1,  (R600_NUM_PS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
1679						    R600_NUM_VS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
1680						    R600_NUM_CLAUSE_TEMP_GPRS(((dev_priv->r600_max_gprs * 24)/64)/2)));
1681
1682	RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2,  (R600_NUM_GS_GPRS((dev_priv->r600_max_gprs * 7)/64) |
1683						    R600_NUM_ES_GPRS((dev_priv->r600_max_gprs * 7)/64)));
1684
1685	sq_thread_resource_mgmt = (R600_NUM_PS_THREADS((dev_priv->r600_max_threads * 4)/8) |
1686				   R600_NUM_VS_THREADS((dev_priv->r600_max_threads * 2)/8) |
1687				   R600_NUM_ES_THREADS((dev_priv->r600_max_threads * 1)/8));
1688	if (((dev_priv->r600_max_threads * 1) / 8) > dev_priv->r600_max_gs_threads)
1689		sq_thread_resource_mgmt |= R600_NUM_GS_THREADS(dev_priv->r600_max_gs_threads);
1690	else
1691		sq_thread_resource_mgmt |= R600_NUM_GS_THREADS((dev_priv->r600_max_gs_threads * 1)/8);
1692	RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1693
1694	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, (R600_NUM_PS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
1695						     R600_NUM_VS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
1696
1697	RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, (R600_NUM_GS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
1698						     R600_NUM_ES_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
1699
1700	sq_dyn_gpr_size_simd_ab_0 = (R700_SIMDA_RING0((dev_priv->r600_max_gprs * 38)/64) |
1701				     R700_SIMDA_RING1((dev_priv->r600_max_gprs * 38)/64) |
1702				     R700_SIMDB_RING0((dev_priv->r600_max_gprs * 38)/64) |
1703				     R700_SIMDB_RING1((dev_priv->r600_max_gprs * 38)/64));
1704
1705	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
1706	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
1707	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
1708	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
1709	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
1710	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
1711	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
1712	RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
1713
1714	RADEON_WRITE(R700_PA_SC_FORCE_EOV_MAX_CNTS, (R700_FORCE_EOV_MAX_CLK_CNT(4095) |
1715						     R700_FORCE_EOV_MAX_REZ_CNT(255)));
1716
1717	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
1718		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_TC_ONLY) |
1719							   R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
1720	else
1721		RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_VC_AND_TC) |
1722							   R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
1723
1724	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
1725	case CHIP_RV770:
1726	case CHIP_RV730:
1727	case CHIP_RV740:
1728		gs_prim_buffer_depth = 384;
1729		break;
1730	case CHIP_RV710:
1731		gs_prim_buffer_depth = 128;
1732		break;
1733	default:
1734		break;
1735	}
1736
1737	num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
1738	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1739	/* Max value for this is 256 */
1740	if (vgt_gs_per_es > 256)
1741		vgt_gs_per_es = 256;
1742
1743	RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
1744	RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
1745	RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
1746
1747	/* more default values. 2D/3D driver should adjust as needed */
1748	RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
1749	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
1750	RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
1751	RADEON_WRITE(R600_SX_MISC, 0);
1752	RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
1753	RADEON_WRITE(R700_PA_SC_EDGERULE, 0xaaaaaaaa);
1754	RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
1755	RADEON_WRITE(R600_PA_SC_CLIPRECT_RULE, 0xffff);
1756	RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
1757	RADEON_WRITE(R600_SPI_INPUT_Z, 0);
1758	RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
1759	RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
1760
1761	/* clear render buffer base addresses */
1762	RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
1763	RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
1764	RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
1765	RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
1766	RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
1767	RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
1768	RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
1769	RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
1770
1771	RADEON_WRITE(R700_TCP_CNTL, 0);
1772
1773	hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
1774	RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1775
1776	RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
1777
1778	RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
1779					  R600_NUM_CLIP_SEQ(3)));
1780
1781}
1782
1783static void r600_cp_init_ring_buffer(struct drm_device *dev,
1784				       drm_radeon_private_t *dev_priv,
1785				       struct drm_file *file_priv)
1786{
1787	struct drm_radeon_master_private *master_priv;
1788	u32 ring_start;
1789	u64 rptr_addr;
1790
1791	if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
1792		r700_gfx_init(dev, dev_priv);
1793	else
1794		r600_gfx_init(dev, dev_priv);
1795
1796	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
1797	RADEON_READ(R600_GRBM_SOFT_RESET);
1798	DRM_UDELAY(15000);
1799	RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
1800
1801
1802	/* Set ring buffer size */
1803#ifdef __BIG_ENDIAN
1804	RADEON_WRITE(R600_CP_RB_CNTL,
1805		     R600_BUF_SWAP_32BIT |
1806		     R600_RB_NO_UPDATE |
1807		     (dev_priv->ring.rptr_update_l2qw << 8) |
1808		     dev_priv->ring.size_l2qw);
1809#else
1810	RADEON_WRITE(R600_CP_RB_CNTL,
1811		     RADEON_RB_NO_UPDATE |
1812		     (dev_priv->ring.rptr_update_l2qw << 8) |
1813		     dev_priv->ring.size_l2qw);
1814#endif
1815
1816	RADEON_WRITE(R600_CP_SEM_WAIT_TIMER, 0x4);
1817
1818	/* Set the write pointer delay */
1819	RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
1820
1821#ifdef __BIG_ENDIAN
1822	RADEON_WRITE(R600_CP_RB_CNTL,
1823		     R600_BUF_SWAP_32BIT |
1824		     R600_RB_NO_UPDATE |
1825		     R600_RB_RPTR_WR_ENA |
1826		     (dev_priv->ring.rptr_update_l2qw << 8) |
1827		     dev_priv->ring.size_l2qw);
1828#else
1829	RADEON_WRITE(R600_CP_RB_CNTL,
1830		     R600_RB_NO_UPDATE |
1831		     R600_RB_RPTR_WR_ENA |
1832		     (dev_priv->ring.rptr_update_l2qw << 8) |
1833		     dev_priv->ring.size_l2qw);
1834#endif
1835
1836	/* Initialize the ring buffer's read and write pointers */
1837	RADEON_WRITE(R600_CP_RB_RPTR_WR, 0);
1838	RADEON_WRITE(R600_CP_RB_WPTR, 0);
1839	SET_RING_HEAD(dev_priv, 0);
1840	dev_priv->ring.tail = 0;
1841
1842#if __OS_HAS_AGP
1843	if (dev_priv->flags & RADEON_IS_AGP) {
1844		rptr_addr = dev_priv->ring_rptr->offset
1845			- dev->agp->base +
1846			dev_priv->gart_vm_start;
1847	} else
1848#endif
1849	{
1850		rptr_addr = dev_priv->ring_rptr->offset
1851			- ((unsigned long) dev->sg->virtual)
1852			+ dev_priv->gart_vm_start;
1853	}
1854	RADEON_WRITE(R600_CP_RB_RPTR_ADDR, (rptr_addr & 0xfffffffc));
1855	RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI, upper_32_bits(rptr_addr));
1856
1857#ifdef __BIG_ENDIAN
1858	RADEON_WRITE(R600_CP_RB_CNTL,
1859		     RADEON_BUF_SWAP_32BIT |
1860		     (dev_priv->ring.rptr_update_l2qw << 8) |
1861		     dev_priv->ring.size_l2qw);
1862#else
1863	RADEON_WRITE(R600_CP_RB_CNTL,
1864		     (dev_priv->ring.rptr_update_l2qw << 8) |
1865		     dev_priv->ring.size_l2qw);
1866#endif
1867
1868#if __OS_HAS_AGP
1869	if (dev_priv->flags & RADEON_IS_AGP) {
1870		/* XXX */
1871		radeon_write_agp_base(dev_priv, dev->agp->base);
1872
1873		/* XXX */
1874		radeon_write_agp_location(dev_priv,
1875			     (((dev_priv->gart_vm_start - 1 +
1876				dev_priv->gart_size) & 0xffff0000) |
1877			      (dev_priv->gart_vm_start >> 16)));
1878
1879		ring_start = (dev_priv->cp_ring->offset
1880			      - dev->agp->base
1881			      + dev_priv->gart_vm_start);
1882	} else
1883#endif
1884		ring_start = (dev_priv->cp_ring->offset
1885			      - (unsigned long)dev->sg->virtual
1886			      + dev_priv->gart_vm_start);
1887
1888	RADEON_WRITE(R600_CP_RB_BASE, ring_start >> 8);
1889
1890	RADEON_WRITE(R600_CP_ME_CNTL, 0xff);
1891
1892	RADEON_WRITE(R600_CP_DEBUG, (1 << 27) | (1 << 28));
1893
1894	/* Initialize the scratch register pointer.  This will cause
1895	 * the scratch register values to be written out to memory
1896	 * whenever they are updated.
1897	 *
1898	 * We simply put this behind the ring read pointer, this works
1899	 * with PCI GART as well as (whatever kind of) AGP GART
1900	 */
1901	{
1902		u64 scratch_addr;
1903
1904		scratch_addr = RADEON_READ(R600_CP_RB_RPTR_ADDR) & 0xFFFFFFFC;
1905		scratch_addr |= ((u64)RADEON_READ(R600_CP_RB_RPTR_ADDR_HI)) << 32;
1906		scratch_addr += R600_SCRATCH_REG_OFFSET;
1907		scratch_addr >>= 8;
1908		scratch_addr &= 0xffffffff;
1909
1910		RADEON_WRITE(R600_SCRATCH_ADDR, (uint32_t)scratch_addr);
1911	}
1912
1913	RADEON_WRITE(R600_SCRATCH_UMSK, 0x7);
1914
1915	/* Turn on bus mastering */
1916	radeon_enable_bm(dev_priv);
1917
1918	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(0), 0);
1919	RADEON_WRITE(R600_LAST_FRAME_REG, 0);
1920
1921	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
1922	RADEON_WRITE(R600_LAST_DISPATCH_REG, 0);
1923
1924	radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(2), 0);
1925	RADEON_WRITE(R600_LAST_CLEAR_REG, 0);
1926
1927	/* reset sarea copies of these */
1928	master_priv = file_priv->master->driver_priv;
1929	if (master_priv->sarea_priv) {
1930		master_priv->sarea_priv->last_frame = 0;
1931		master_priv->sarea_priv->last_dispatch = 0;
1932		master_priv->sarea_priv->last_clear = 0;
1933	}
1934
1935	r600_do_wait_for_idle(dev_priv);
1936
1937}
1938
1939int r600_do_cleanup_cp(struct drm_device *dev)
1940{
1941	drm_radeon_private_t *dev_priv = dev->dev_private;
1942	DRM_DEBUG("\n");
1943
1944	/* Make sure interrupts are disabled here because the uninstall ioctl
1945	 * may not have been called from userspace and after dev_private
1946	 * is freed, it's too late.
1947	 */
1948	if (dev->irq_enabled)
1949		drm_irq_uninstall(dev);
1950
1951#if __OS_HAS_AGP
1952	if (dev_priv->flags & RADEON_IS_AGP) {
1953		if (dev_priv->cp_ring != NULL) {
1954			drm_core_ioremapfree(dev_priv->cp_ring, dev);
1955			dev_priv->cp_ring = NULL;
1956		}
1957		if (dev_priv->ring_rptr != NULL) {
1958			drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1959			dev_priv->ring_rptr = NULL;
1960		}
1961		if (dev->agp_buffer_map != NULL) {
1962			drm_core_ioremapfree(dev->agp_buffer_map, dev);
1963			dev->agp_buffer_map = NULL;
1964		}
1965	} else
1966#endif
1967	{
1968
1969		if (dev_priv->gart_info.bus_addr)
1970			r600_page_table_cleanup(dev, &dev_priv->gart_info);
1971
1972		if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) {
1973			drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
1974			dev_priv->gart_info.addr = NULL;
1975		}
1976	}
1977	/* only clear to the start of flags */
1978	memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1979
1980	return 0;
1981}
1982
1983int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
1984		    struct drm_file *file_priv)
1985{
1986	drm_radeon_private_t *dev_priv = dev->dev_private;
1987	struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
1988
1989	DRM_DEBUG("\n");
1990
1991	mutex_init(&dev_priv->cs_mutex);
1992	r600_cs_legacy_init();
1993	/* if we require new memory map but we don't have it fail */
1994	if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
1995		DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
1996		r600_do_cleanup_cp(dev);
1997		return -EINVAL;
1998	}
1999
2000	if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
2001		DRM_DEBUG("Forcing AGP card to PCI mode\n");
2002		dev_priv->flags &= ~RADEON_IS_AGP;
2003		/* The writeback test succeeds, but when writeback is enabled,
2004		 * the ring buffer read ptr update fails after first 128 bytes.
2005		 */
2006		radeon_no_wb = 1;
2007	} else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
2008		 && !init->is_pci) {
2009		DRM_DEBUG("Restoring AGP flag\n");
2010		dev_priv->flags |= RADEON_IS_AGP;
2011	}
2012
2013	dev_priv->usec_timeout = init->usec_timeout;
2014	if (dev_priv->usec_timeout < 1 ||
2015	    dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
2016		DRM_DEBUG("TIMEOUT problem!\n");
2017		r600_do_cleanup_cp(dev);
2018		return -EINVAL;
2019	}
2020
2021	/* Enable vblank on CRTC1 for older X servers
2022	 */
2023	dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
2024	dev_priv->do_boxes = 0;
2025	dev_priv->cp_mode = init->cp_mode;
2026
2027	/* We don't support anything other than bus-mastering ring mode,
2028	 * but the ring can be in either AGP or PCI space for the ring
2029	 * read pointer.
2030	 */
2031	if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
2032	    (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
2033		DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
2034		r600_do_cleanup_cp(dev);
2035		return -EINVAL;
2036	}
2037
2038	switch (init->fb_bpp) {
2039	case 16:
2040		dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
2041		break;
2042	case 32:
2043	default:
2044		dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
2045		break;
2046	}
2047	dev_priv->front_offset = init->front_offset;
2048	dev_priv->front_pitch = init->front_pitch;
2049	dev_priv->back_offset = init->back_offset;
2050	dev_priv->back_pitch = init->back_pitch;
2051
2052	dev_priv->ring_offset = init->ring_offset;
2053	dev_priv->ring_rptr_offset = init->ring_rptr_offset;
2054	dev_priv->buffers_offset = init->buffers_offset;
2055	dev_priv->gart_textures_offset = init->gart_textures_offset;
2056
2057	master_priv->sarea = drm_getsarea(dev);
2058	if (!master_priv->sarea) {
2059		DRM_ERROR("could not find sarea!\n");
2060		r600_do_cleanup_cp(dev);
2061		return -EINVAL;
2062	}
2063
2064	dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
2065	if (!dev_priv->cp_ring) {
2066		DRM_ERROR("could not find cp ring region!\n");
2067		r600_do_cleanup_cp(dev);
2068		return -EINVAL;
2069	}
2070	dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
2071	if (!dev_priv->ring_rptr) {
2072		DRM_ERROR("could not find ring read pointer!\n");
2073		r600_do_cleanup_cp(dev);
2074		return -EINVAL;
2075	}
2076	dev->agp_buffer_token = init->buffers_offset;
2077	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
2078	if (!dev->agp_buffer_map) {
2079		DRM_ERROR("could not find dma buffer region!\n");
2080		r600_do_cleanup_cp(dev);
2081		return -EINVAL;
2082	}
2083
2084	if (init->gart_textures_offset) {
2085		dev_priv->gart_textures =
2086		    drm_core_findmap(dev, init->gart_textures_offset);
2087		if (!dev_priv->gart_textures) {
2088			DRM_ERROR("could not find GART texture region!\n");
2089			r600_do_cleanup_cp(dev);
2090			return -EINVAL;
2091		}
2092	}
2093
2094#if __OS_HAS_AGP
2095	/* XXX */
2096	if (dev_priv->flags & RADEON_IS_AGP) {
2097		drm_core_ioremap_wc(dev_priv->cp_ring, dev);
2098		drm_core_ioremap_wc(dev_priv->ring_rptr, dev);
2099		drm_core_ioremap_wc(dev->agp_buffer_map, dev);
2100		if (!dev_priv->cp_ring->handle ||
2101		    !dev_priv->ring_rptr->handle ||
2102		    !dev->agp_buffer_map->handle) {
2103			DRM_ERROR("could not find ioremap agp regions!\n");
2104			r600_do_cleanup_cp(dev);
2105			return -EINVAL;
2106		}
2107	} else
2108#endif
2109	{
2110		dev_priv->cp_ring->handle = (void *)(unsigned long)dev_priv->cp_ring->offset;
2111		dev_priv->ring_rptr->handle =
2112			(void *)(unsigned long)dev_priv->ring_rptr->offset;
2113		dev->agp_buffer_map->handle =
2114			(void *)(unsigned long)dev->agp_buffer_map->offset;
2115
2116		DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
2117			  dev_priv->cp_ring->handle);
2118		DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
2119			  dev_priv->ring_rptr->handle);
2120		DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
2121			  dev->agp_buffer_map->handle);
2122	}
2123
2124	dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 24;
2125	dev_priv->fb_size =
2126		(((radeon_read_fb_location(dev_priv) & 0xffff0000u) << 8) + 0x1000000)
2127		- dev_priv->fb_location;
2128
2129	dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
2130					((dev_priv->front_offset
2131					  + dev_priv->fb_location) >> 10));
2132
2133	dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
2134				       ((dev_priv->back_offset
2135					 + dev_priv->fb_location) >> 10));
2136
2137	dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
2138					((dev_priv->depth_offset
2139					  + dev_priv->fb_location) >> 10));
2140
2141	dev_priv->gart_size = init->gart_size;
2142
2143	/* New let's set the memory map ... */
2144	if (dev_priv->new_memmap) {
2145		u32 base = 0;
2146
2147		DRM_INFO("Setting GART location based on new memory map\n");
2148
2149		/* If using AGP, try to locate the AGP aperture at the same
2150		 * location in the card and on the bus, though we have to
2151		 * align it down.
2152		 */
2153#if __OS_HAS_AGP
2154		/* XXX */
2155		if (dev_priv->flags & RADEON_IS_AGP) {
2156			base = dev->agp->base;
2157			/* Check if valid */
2158			if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
2159			    base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
2160				DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
2161					 dev->agp->base);
2162				base = 0;
2163			}
2164		}
2165#endif
2166		/* If not or if AGP is at 0 (Macs), try to put it elsewhere */
2167		if (base == 0) {
2168			base = dev_priv->fb_location + dev_priv->fb_size;
2169			if (base < dev_priv->fb_location ||
2170			    ((base + dev_priv->gart_size) & 0xfffffffful) < base)
2171				base = dev_priv->fb_location
2172					- dev_priv->gart_size;
2173		}
2174		dev_priv->gart_vm_start = base & 0xffc00000u;
2175		if (dev_priv->gart_vm_start != base)
2176			DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
2177				 base, dev_priv->gart_vm_start);
2178	}
2179
2180#if __OS_HAS_AGP
2181	/* XXX */
2182	if (dev_priv->flags & RADEON_IS_AGP)
2183		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
2184						 - dev->agp->base
2185						 + dev_priv->gart_vm_start);
2186	else
2187#endif
2188		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
2189						 - (unsigned long)dev->sg->virtual
2190						 + dev_priv->gart_vm_start);
2191
2192	DRM_DEBUG("fb 0x%08x size %d\n",
2193		  (unsigned int) dev_priv->fb_location,
2194		  (unsigned int) dev_priv->fb_size);
2195	DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
2196	DRM_DEBUG("dev_priv->gart_vm_start 0x%08x\n",
2197		  (unsigned int) dev_priv->gart_vm_start);
2198	DRM_DEBUG("dev_priv->gart_buffers_offset 0x%08lx\n",
2199		  dev_priv->gart_buffers_offset);
2200
2201	dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
2202	dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
2203			      + init->ring_size / sizeof(u32));
2204	dev_priv->ring.size = init->ring_size;
2205	dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
2206
2207	dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
2208	dev_priv->ring.rptr_update_l2qw = drm_order(/* init->rptr_update */ 4096 / 8);
2209
2210	dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
2211	dev_priv->ring.fetch_size_l2ow = drm_order(/* init->fetch_size */ 32 / 16);
2212
2213	dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
2214
2215	dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
2216
2217#if __OS_HAS_AGP
2218	if (dev_priv->flags & RADEON_IS_AGP) {
2219		/* XXX turn off pcie gart */
2220	} else
2221#endif
2222	{
2223		dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
2224		/* if we have an offset set from userspace */
2225		if (!dev_priv->pcigart_offset_set) {
2226			DRM_ERROR("Need gart offset from userspace\n");
2227			r600_do_cleanup_cp(dev);
2228			return -EINVAL;
2229		}
2230
2231		DRM_DEBUG("Using gart offset 0x%08lx\n", dev_priv->pcigart_offset);
2232
2233		dev_priv->gart_info.bus_addr =
2234			dev_priv->pcigart_offset + dev_priv->fb_location;
2235		dev_priv->gart_info.mapping.offset =
2236			dev_priv->pcigart_offset + dev_priv->fb_aper_offset;
2237		dev_priv->gart_info.mapping.size =
2238			dev_priv->gart_info.table_size;
2239
2240		drm_core_ioremap_wc(&dev_priv->gart_info.mapping, dev);
2241		if (!dev_priv->gart_info.mapping.handle) {
2242			DRM_ERROR("ioremap failed.\n");
2243			r600_do_cleanup_cp(dev);
2244			return -EINVAL;
2245		}
2246
2247		dev_priv->gart_info.addr =
2248			dev_priv->gart_info.mapping.handle;
2249
2250		DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
2251			  dev_priv->gart_info.addr,
2252			  dev_priv->pcigart_offset);
2253
2254		if (!r600_page_table_init(dev)) {
2255			DRM_ERROR("Failed to init GART table\n");
2256			r600_do_cleanup_cp(dev);
2257			return -EINVAL;
2258		}
2259
2260		if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
2261			r700_vm_init(dev);
2262		else
2263			r600_vm_init(dev);
2264	}
2265
2266	if (!dev_priv->me_fw || !dev_priv->pfp_fw) {
2267		int err = r600_cp_init_microcode(dev_priv);
2268		if (err) {
2269			DRM_ERROR("Failed to load firmware!\n");
2270			r600_do_cleanup_cp(dev);
2271			return err;
2272		}
2273	}
2274	if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
2275		r700_cp_load_microcode(dev_priv);
2276	else
2277		r600_cp_load_microcode(dev_priv);
2278
2279	r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
2280
2281	dev_priv->last_buf = 0;
2282
2283	r600_do_engine_reset(dev);
2284	r600_test_writeback(dev_priv);
2285
2286	return 0;
2287}
2288
2289int r600_do_resume_cp(struct drm_device *dev, struct drm_file *file_priv)
2290{
2291	drm_radeon_private_t *dev_priv = dev->dev_private;
2292
2293	DRM_DEBUG("\n");
2294	if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)) {
2295		r700_vm_init(dev);
2296		r700_cp_load_microcode(dev_priv);
2297	} else {
2298		r600_vm_init(dev);
2299		r600_cp_load_microcode(dev_priv);
2300	}
2301	r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
2302	r600_do_engine_reset(dev);
2303
2304	return 0;
2305}
2306
2307/* Wait for the CP to go idle.
2308 */
2309int r600_do_cp_idle(drm_radeon_private_t *dev_priv)
2310{
2311	RING_LOCALS;
2312	DRM_DEBUG("\n");
2313
2314	BEGIN_RING(5);
2315	OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
2316	OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
2317	/* wait for 3D idle clean */
2318	OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
2319	OUT_RING((R600_WAIT_UNTIL - R600_SET_CONFIG_REG_OFFSET) >> 2);
2320	OUT_RING(RADEON_WAIT_3D_IDLE | RADEON_WAIT_3D_IDLECLEAN);
2321
2322	ADVANCE_RING();
2323	COMMIT_RING();
2324
2325	return r600_do_wait_for_idle(dev_priv);
2326}
2327
2328/* Start the Command Processor.
2329 */
2330void r600_do_cp_start(drm_radeon_private_t *dev_priv)
2331{
2332	u32 cp_me;
2333	RING_LOCALS;
2334	DRM_DEBUG("\n");
2335
2336	BEGIN_RING(7);
2337	OUT_RING(CP_PACKET3(R600_IT_ME_INITIALIZE, 5));
2338	OUT_RING(0x00000001);
2339	if (((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV770))
2340		OUT_RING(0x00000003);
2341	else
2342		OUT_RING(0x00000000);
2343	OUT_RING((dev_priv->r600_max_hw_contexts - 1));
2344	OUT_RING(R600_ME_INITIALIZE_DEVICE_ID(1));
2345	OUT_RING(0x00000000);
2346	OUT_RING(0x00000000);
2347	ADVANCE_RING();
2348	COMMIT_RING();
2349
2350	/* set the mux and reset the halt bit */
2351	cp_me = 0xff;
2352	RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
2353
2354	dev_priv->cp_running = 1;
2355
2356}
2357
2358void r600_do_cp_reset(drm_radeon_private_t *dev_priv)
2359{
2360	u32 cur_read_ptr;
2361	DRM_DEBUG("\n");
2362
2363	cur_read_ptr = RADEON_READ(R600_CP_RB_RPTR);
2364	RADEON_WRITE(R600_CP_RB_WPTR, cur_read_ptr);
2365	SET_RING_HEAD(dev_priv, cur_read_ptr);
2366	dev_priv->ring.tail = cur_read_ptr;
2367}
2368
2369void r600_do_cp_stop(drm_radeon_private_t *dev_priv)
2370{
2371	uint32_t cp_me;
2372
2373	DRM_DEBUG("\n");
2374
2375	cp_me = 0xff | R600_CP_ME_HALT;
2376
2377	RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
2378
2379	dev_priv->cp_running = 0;
2380}
2381
2382int r600_cp_dispatch_indirect(struct drm_device *dev,
2383			      struct drm_buf *buf, int start, int end)
2384{
2385	drm_radeon_private_t *dev_priv = dev->dev_private;
2386	RING_LOCALS;
2387
2388	if (start != end) {
2389		unsigned long offset = (dev_priv->gart_buffers_offset
2390					+ buf->offset + start);
2391		int dwords = (end - start + 3) / sizeof(u32);
2392
2393		DRM_DEBUG("dwords:%d\n", dwords);
2394		DRM_DEBUG("offset 0x%lx\n", offset);
2395
2396
2397		/* Indirect buffer data must be a multiple of 16 dwords.
2398		 * pad the data with a Type-2 CP packet.
2399		 */
2400		while (dwords & 0xf) {
2401			u32 *data = (u32 *)
2402			    ((char *)dev->agp_buffer_map->handle
2403			     + buf->offset + start);
2404			data[dwords++] = RADEON_CP_PACKET2;
2405		}
2406
2407		/* Fire off the indirect buffer */
2408		BEGIN_RING(4);
2409		OUT_RING(CP_PACKET3(R600_IT_INDIRECT_BUFFER, 2));
2410		OUT_RING((offset & 0xfffffffc));
2411		OUT_RING((upper_32_bits(offset) & 0xff));
2412		OUT_RING(dwords);
2413		ADVANCE_RING();
2414	}
2415
2416	return 0;
2417}
2418
2419void r600_cp_dispatch_swap(struct drm_device *dev, struct drm_file *file_priv)
2420{
2421	drm_radeon_private_t *dev_priv = dev->dev_private;
2422	struct drm_master *master = file_priv->master;
2423	struct drm_radeon_master_private *master_priv = master->driver_priv;
2424	drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv;
2425	int nbox = sarea_priv->nbox;
2426	struct drm_clip_rect *pbox = sarea_priv->boxes;
2427	int i, cpp, src_pitch, dst_pitch;
2428	uint64_t src, dst;
2429	RING_LOCALS;
2430	DRM_DEBUG("\n");
2431
2432	if (dev_priv->color_fmt == RADEON_COLOR_FORMAT_ARGB8888)
2433		cpp = 4;
2434	else
2435		cpp = 2;
2436
2437	if (sarea_priv->pfCurrentPage == 0) {
2438		src_pitch = dev_priv->back_pitch;
2439		dst_pitch = dev_priv->front_pitch;
2440		src = dev_priv->back_offset + dev_priv->fb_location;
2441		dst = dev_priv->front_offset + dev_priv->fb_location;
2442	} else {
2443		src_pitch = dev_priv->front_pitch;
2444		dst_pitch = dev_priv->back_pitch;
2445		src = dev_priv->front_offset + dev_priv->fb_location;
2446		dst = dev_priv->back_offset + dev_priv->fb_location;
2447	}
2448
2449	if (r600_prepare_blit_copy(dev, file_priv)) {
2450		DRM_ERROR("unable to allocate vertex buffer for swap buffer\n");
2451		return;
2452	}
2453	for (i = 0; i < nbox; i++) {
2454		int x = pbox[i].x1;
2455		int y = pbox[i].y1;
2456		int w = pbox[i].x2 - x;
2457		int h = pbox[i].y2 - y;
2458
2459		DRM_DEBUG("%d,%d-%d,%d\n", x, y, w, h);
2460
2461		r600_blit_swap(dev,
2462			       src, dst,
2463			       x, y, x, y, w, h,
2464			       src_pitch, dst_pitch, cpp);
2465	}
2466	r600_done_blit_copy(dev);
2467
2468	/* Increment the frame counter.  The client-side 3D driver must
2469	 * throttle the framerate by waiting for this value before
2470	 * performing the swapbuffer ioctl.
2471	 */
2472	sarea_priv->last_frame++;
2473
2474	BEGIN_RING(3);
2475	R600_FRAME_AGE(sarea_priv->last_frame);
2476	ADVANCE_RING();
2477}
2478
2479int r600_cp_dispatch_texture(struct drm_device *dev,
2480			     struct drm_file *file_priv,
2481			     drm_radeon_texture_t *tex,
2482			     drm_radeon_tex_image_t *image)
2483{
2484	drm_radeon_private_t *dev_priv = dev->dev_private;
2485	struct drm_buf *buf;
2486	u32 *buffer;
2487	const u8 __user *data;
2488	int size, pass_size;
2489	u64 src_offset, dst_offset;
2490
2491	if (!radeon_check_offset(dev_priv, tex->offset)) {
2492		DRM_ERROR("Invalid destination offset\n");
2493		return -EINVAL;
2494	}
2495
2496	/* this might fail for zero-sized uploads - are those illegal? */
2497	if (!radeon_check_offset(dev_priv, tex->offset + tex->height * tex->pitch - 1)) {
2498		DRM_ERROR("Invalid final destination offset\n");
2499		return -EINVAL;
2500	}
2501
2502	size = tex->height * tex->pitch;
2503
2504	if (size == 0)
2505		return 0;
2506
2507	dst_offset = tex->offset;
2508
2509	if (r600_prepare_blit_copy(dev, file_priv)) {
2510		DRM_ERROR("unable to allocate vertex buffer for swap buffer\n");
2511		return -EAGAIN;
2512	}
2513	do {
2514		data = (const u8 __user *)image->data;
2515		pass_size = size;
2516
2517		buf = radeon_freelist_get(dev);
2518		if (!buf) {
2519			DRM_DEBUG("EAGAIN\n");
2520			if (DRM_COPY_TO_USER(tex->image, image, sizeof(*image)))
2521				return -EFAULT;
2522			return -EAGAIN;
2523		}
2524
2525		if (pass_size > buf->total)
2526			pass_size = buf->total;
2527
2528		/* Dispatch the indirect buffer.
2529		 */
2530		buffer =
2531		    (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
2532
2533		if (DRM_COPY_FROM_USER(buffer, data, pass_size)) {
2534			DRM_ERROR("EFAULT on pad, %d bytes\n", pass_size);
2535			return -EFAULT;
2536		}
2537
2538		buf->file_priv = file_priv;
2539		buf->used = pass_size;
2540		src_offset = dev_priv->gart_buffers_offset + buf->offset;
2541
2542		r600_blit_copy(dev, src_offset, dst_offset, pass_size);
2543
2544		radeon_cp_discard_buffer(dev, file_priv->master, buf);
2545
2546		/* Update the input parameters for next time */
2547		image->data = (const u8 __user *)image->data + pass_size;
2548		dst_offset += pass_size;
2549		size -= pass_size;
2550	} while (size > 0);
2551	r600_done_blit_copy(dev);
2552
2553	return 0;
2554}
2555
2556/*
2557 * Legacy cs ioctl
2558 */
2559static u32 radeon_cs_id_get(struct drm_radeon_private *radeon)
2560{
2561	/* FIXME: check if wrap affect last reported wrap & sequence */
2562	radeon->cs_id_scnt = (radeon->cs_id_scnt + 1) & 0x00FFFFFF;
2563	if (!radeon->cs_id_scnt) {
2564		/* increment wrap counter */
2565		radeon->cs_id_wcnt += 0x01000000;
2566		/* valid sequence counter start at 1 */
2567		radeon->cs_id_scnt = 1;
2568	}
2569	return (radeon->cs_id_scnt | radeon->cs_id_wcnt);
2570}
2571
2572static void r600_cs_id_emit(drm_radeon_private_t *dev_priv, u32 *id)
2573{
2574	RING_LOCALS;
2575
2576	*id = radeon_cs_id_get(dev_priv);
2577
2578	/* SCRATCH 2 */
2579	BEGIN_RING(3);
2580	R600_CLEAR_AGE(*id);
2581	ADVANCE_RING();
2582	COMMIT_RING();
2583}
2584
2585static int r600_ib_get(struct drm_device *dev,
2586			struct drm_file *fpriv,
2587			struct drm_buf **buffer)
2588{
2589	struct drm_buf *buf;
2590
2591	*buffer = NULL;
2592	buf = radeon_freelist_get(dev);
2593	if (!buf) {
2594		return -EBUSY;
2595	}
2596	buf->file_priv = fpriv;
2597	*buffer = buf;
2598	return 0;
2599}
2600
2601static void r600_ib_free(struct drm_device *dev, struct drm_buf *buf,
2602			struct drm_file *fpriv, int l, int r)
2603{
2604	drm_radeon_private_t *dev_priv = dev->dev_private;
2605
2606	if (buf) {
2607		if (!r)
2608			r600_cp_dispatch_indirect(dev, buf, 0, l * 4);
2609		radeon_cp_discard_buffer(dev, fpriv->master, buf);
2610		COMMIT_RING();
2611	}
2612}
2613
2614int r600_cs_legacy_ioctl(struct drm_device *dev, void *data, struct drm_file *fpriv)
2615{
2616	struct drm_radeon_private *dev_priv = dev->dev_private;
2617	struct drm_radeon_cs *cs = data;
2618	struct drm_buf *buf;
2619	unsigned family;
2620	int l, r = 0;
2621	u32 *ib, cs_id = 0;
2622
2623	if (dev_priv == NULL) {
2624		DRM_ERROR("called with no initialization\n");
2625		return -EINVAL;
2626	}
2627	family = dev_priv->flags & RADEON_FAMILY_MASK;
2628	if (family < CHIP_R600) {
2629		DRM_ERROR("cs ioctl valid only for R6XX & R7XX in legacy mode\n");
2630		return -EINVAL;
2631	}
2632	mutex_lock(&dev_priv->cs_mutex);
2633	/* get ib */
2634	r = r600_ib_get(dev, fpriv, &buf);
2635	if (r) {
2636		DRM_ERROR("ib_get failed\n");
2637		goto out;
2638	}
2639	ib = dev->agp_buffer_map->handle + buf->offset;
2640	/* now parse command stream */
2641	r = r600_cs_legacy(dev, data,  fpriv, family, ib, &l);
2642	if (r) {
2643		goto out;
2644	}
2645
2646out:
2647	r600_ib_free(dev, buf, fpriv, l, r);
2648	/* emit cs id sequence */
2649	r600_cs_id_emit(dev_priv, &cs_id);
2650	cs->cs_id = cs_id;
2651	mutex_unlock(&dev_priv->cs_mutex);
2652	return r;
2653}
2654
2655void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size)
2656{
2657	struct drm_radeon_private *dev_priv = dev->dev_private;
2658
2659	*npipes = dev_priv->r600_npipes;
2660	*nbanks = dev_priv->r600_nbanks;
2661	*group_size = dev_priv->r600_group_size;
2662}