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v6.2
   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28
 
  29#include <linux/pci.h>
  30#include <linux/seq_file.h>
  31#include <linux/slab.h>
  32
  33#include <drm/drm.h>
  34#include <drm/drm_crtc_helper.h>
  35#include <drm/drm_device.h>
  36#include <drm/drm_file.h>
  37#include <drm/radeon_drm.h>
  38
  39#include "r100_track.h"
  40#include "r300_reg_safe.h"
  41#include "r300d.h"
  42#include "radeon.h"
  43#include "radeon_asic.h"
  44#include "radeon_reg.h"
  45#include "rv350d.h"
  46
  47/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
  48 *
  49 * GPU Errata:
  50 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
  51 *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
  52 *   However, scheduling such write to the ring seems harmless, i suspect
  53 *   the CP read collide with the flush somehow, or maybe the MC, hard to
  54 *   tell. (Jerome Glisse)
  55 */
  56
  57/*
  58 * Indirect registers accessor
  59 */
  60uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
  61{
  62	unsigned long flags;
  63	uint32_t r;
  64
  65	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  66	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  67	r = RREG32(RADEON_PCIE_DATA);
  68	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  69	return r;
  70}
  71
  72void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
  73{
  74	unsigned long flags;
  75
  76	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  77	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  78	WREG32(RADEON_PCIE_DATA, (v));
  79	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  80}
  81
  82/*
  83 * rv370,rv380 PCIE GART
  84 */
  85static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
  86
  87void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
  88{
  89	uint32_t tmp;
  90	int i;
  91
  92	/* Workaround HW bug do flush 2 times */
  93	for (i = 0; i < 2; i++) {
  94		tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  95		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
  96		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  97		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
  98	}
  99	mb();
 100}
 101
 102#define R300_PTE_UNSNOOPED (1 << 0)
 103#define R300_PTE_WRITEABLE (1 << 2)
 104#define R300_PTE_READABLE  (1 << 3)
 105
 106uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
 107{
 108	addr = (lower_32_bits(addr) >> 8) |
 109		((upper_32_bits(addr) & 0xff) << 24);
 110	if (flags & RADEON_GART_PAGE_READ)
 111		addr |= R300_PTE_READABLE;
 112	if (flags & RADEON_GART_PAGE_WRITE)
 113		addr |= R300_PTE_WRITEABLE;
 114	if (!(flags & RADEON_GART_PAGE_SNOOP))
 115		addr |= R300_PTE_UNSNOOPED;
 116	return addr;
 117}
 118
 119void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
 120			      uint64_t entry)
 121{
 122	void __iomem *ptr = rdev->gart.ptr;
 123
 124	/* on x86 we want this to be CPU endian, on powerpc
 125	 * on powerpc without HW swappers, it'll get swapped on way
 126	 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
 127	writel(entry, ((void __iomem *)ptr) + (i * 4));
 128}
 129
 130int rv370_pcie_gart_init(struct radeon_device *rdev)
 131{
 132	int r;
 133
 134	if (rdev->gart.robj) {
 135		WARN(1, "RV370 PCIE GART already initialized\n");
 136		return 0;
 137	}
 138	/* Initialize common gart structure */
 139	r = radeon_gart_init(rdev);
 140	if (r)
 141		return r;
 142	rv370_debugfs_pcie_gart_info_init(rdev);
 143
 144	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 145	rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
 146	rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
 147	rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
 148	return radeon_gart_table_vram_alloc(rdev);
 149}
 150
 151int rv370_pcie_gart_enable(struct radeon_device *rdev)
 152{
 153	uint32_t table_addr;
 154	uint32_t tmp;
 155	int r;
 156
 157	if (rdev->gart.robj == NULL) {
 158		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 159		return -EINVAL;
 160	}
 161	r = radeon_gart_table_vram_pin(rdev);
 162	if (r)
 163		return r;
 164	/* discard memory request outside of configured range */
 165	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 166	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 167	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
 168	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
 169	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 170	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 171	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 172	table_addr = rdev->gart.table_addr;
 173	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 174	/* FIXME: setup default page */
 175	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
 176	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 177	/* Clear error */
 178	WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
 179	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 180	tmp |= RADEON_PCIE_TX_GART_EN;
 181	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 182	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 183	rv370_pcie_gart_tlb_flush(rdev);
 184	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 185		 (unsigned)(rdev->mc.gtt_size >> 20),
 186		 (unsigned long long)table_addr);
 187	rdev->gart.ready = true;
 188	return 0;
 189}
 190
 191void rv370_pcie_gart_disable(struct radeon_device *rdev)
 192{
 193	u32 tmp;
 194
 195	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
 196	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
 197	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 198	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 199	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 200	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 201	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
 202	radeon_gart_table_vram_unpin(rdev);
 203}
 204
 205void rv370_pcie_gart_fini(struct radeon_device *rdev)
 206{
 207	radeon_gart_fini(rdev);
 208	rv370_pcie_gart_disable(rdev);
 209	radeon_gart_table_vram_free(rdev);
 210}
 211
 212void r300_fence_ring_emit(struct radeon_device *rdev,
 213			  struct radeon_fence *fence)
 214{
 215	struct radeon_ring *ring = &rdev->ring[fence->ring];
 216
 217	/* Who ever call radeon_fence_emit should call ring_lock and ask
 218	 * for enough space (today caller are ib schedule and buffer move) */
 219	/* Write SC register so SC & US assert idle */
 220	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
 221	radeon_ring_write(ring, 0);
 222	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
 223	radeon_ring_write(ring, 0);
 224	/* Flush 3D cache */
 225	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 226	radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
 227	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 228	radeon_ring_write(ring, R300_ZC_FLUSH);
 229	/* Wait until IDLE & CLEAN */
 230	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 231	radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
 232				 RADEON_WAIT_2D_IDLECLEAN |
 233				 RADEON_WAIT_DMA_GUI_IDLE));
 234	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 235	radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
 236				RADEON_HDP_READ_BUFFER_INVALIDATE);
 237	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 238	radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
 239	/* Emit fence sequence & fire IRQ */
 240	radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 241	radeon_ring_write(ring, fence->seq);
 242	radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 243	radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 244}
 245
 246void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 247{
 248	unsigned gb_tile_config;
 249	int r;
 250
 251	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
 252	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 253	switch(rdev->num_gb_pipes) {
 254	case 2:
 255		gb_tile_config |= R300_PIPE_COUNT_R300;
 256		break;
 257	case 3:
 258		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 259		break;
 260	case 4:
 261		gb_tile_config |= R300_PIPE_COUNT_R420;
 262		break;
 263	case 1:
 264	default:
 265		gb_tile_config |= R300_PIPE_COUNT_RV350;
 266		break;
 267	}
 268
 269	r = radeon_ring_lock(rdev, ring, 64);
 270	if (r) {
 271		return;
 272	}
 273	radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 274	radeon_ring_write(ring,
 275			  RADEON_ISYNC_ANY2D_IDLE3D |
 276			  RADEON_ISYNC_ANY3D_IDLE2D |
 277			  RADEON_ISYNC_WAIT_IDLEGUI |
 278			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 279	radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
 280	radeon_ring_write(ring, gb_tile_config);
 281	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 282	radeon_ring_write(ring,
 283			  RADEON_WAIT_2D_IDLECLEAN |
 284			  RADEON_WAIT_3D_IDLECLEAN);
 285	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
 286	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
 287	radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
 288	radeon_ring_write(ring, 0);
 289	radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
 290	radeon_ring_write(ring, 0);
 291	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 292	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 293	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 294	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 295	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 296	radeon_ring_write(ring,
 297			  RADEON_WAIT_2D_IDLECLEAN |
 298			  RADEON_WAIT_3D_IDLECLEAN);
 299	radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
 300	radeon_ring_write(ring, 0);
 301	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 302	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 303	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 304	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 305	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
 306	radeon_ring_write(ring,
 307			  ((6 << R300_MS_X0_SHIFT) |
 308			   (6 << R300_MS_Y0_SHIFT) |
 309			   (6 << R300_MS_X1_SHIFT) |
 310			   (6 << R300_MS_Y1_SHIFT) |
 311			   (6 << R300_MS_X2_SHIFT) |
 312			   (6 << R300_MS_Y2_SHIFT) |
 313			   (6 << R300_MSBD0_Y_SHIFT) |
 314			   (6 << R300_MSBD0_X_SHIFT)));
 315	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
 316	radeon_ring_write(ring,
 317			  ((6 << R300_MS_X3_SHIFT) |
 318			   (6 << R300_MS_Y3_SHIFT) |
 319			   (6 << R300_MS_X4_SHIFT) |
 320			   (6 << R300_MS_Y4_SHIFT) |
 321			   (6 << R300_MS_X5_SHIFT) |
 322			   (6 << R300_MS_Y5_SHIFT) |
 323			   (6 << R300_MSBD1_SHIFT)));
 324	radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
 325	radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
 326	radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
 327	radeon_ring_write(ring,
 328			  R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
 329	radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
 330	radeon_ring_write(ring,
 331			  R300_GEOMETRY_ROUND_NEAREST |
 332			  R300_COLOR_ROUND_NEAREST);
 333	radeon_ring_unlock_commit(rdev, ring, false);
 334}
 335
 336static void r300_errata(struct radeon_device *rdev)
 337{
 338	rdev->pll_errata = 0;
 339
 340	if (rdev->family == CHIP_R300 &&
 341	    (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
 342		rdev->pll_errata |= CHIP_ERRATA_R300_CG;
 343	}
 344}
 345
 346int r300_mc_wait_for_idle(struct radeon_device *rdev)
 347{
 348	unsigned i;
 349	uint32_t tmp;
 350
 351	for (i = 0; i < rdev->usec_timeout; i++) {
 352		/* read MC_STATUS */
 353		tmp = RREG32(RADEON_MC_STATUS);
 354		if (tmp & R300_MC_IDLE) {
 355			return 0;
 356		}
 357		udelay(1);
 358	}
 359	return -1;
 360}
 361
 362static void r300_gpu_init(struct radeon_device *rdev)
 
 363{
 364	uint32_t gb_tile_config, tmp;
 365
 366	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
 367	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
 368		/* r300,r350 */
 369		rdev->num_gb_pipes = 2;
 370	} else {
 371		/* rv350,rv370,rv380,r300 AD, r350 AH */
 372		rdev->num_gb_pipes = 1;
 373	}
 374	rdev->num_z_pipes = 1;
 375	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 376	switch (rdev->num_gb_pipes) {
 377	case 2:
 378		gb_tile_config |= R300_PIPE_COUNT_R300;
 379		break;
 380	case 3:
 381		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 382		break;
 383	case 4:
 384		gb_tile_config |= R300_PIPE_COUNT_R420;
 385		break;
 386	default:
 387	case 1:
 388		gb_tile_config |= R300_PIPE_COUNT_RV350;
 389		break;
 390	}
 391	WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
 392
 393	if (r100_gui_wait_for_idle(rdev)) {
 394		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 395	}
 396
 397	tmp = RREG32(R300_DST_PIPE_CONFIG);
 398	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 399
 400	WREG32(R300_RB2D_DSTCACHE_MODE,
 401	       R300_DC_AUTOFLUSH_ENABLE |
 402	       R300_DC_DC_DISABLE_IGNORE_PE);
 403
 404	if (r100_gui_wait_for_idle(rdev)) {
 405		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 406	}
 407	if (r300_mc_wait_for_idle(rdev)) {
 408		pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
 409	}
 410	DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
 411		 rdev->num_gb_pipes, rdev->num_z_pipes);
 412}
 413
 414int r300_asic_reset(struct radeon_device *rdev, bool hard)
 415{
 416	struct r100_mc_save save;
 417	u32 status, tmp;
 418	int ret = 0;
 419
 420	status = RREG32(R_000E40_RBBM_STATUS);
 421	if (!G_000E40_GUI_ACTIVE(status)) {
 422		return 0;
 423	}
 424	r100_mc_stop(rdev, &save);
 425	status = RREG32(R_000E40_RBBM_STATUS);
 426	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 427	/* stop CP */
 428	WREG32(RADEON_CP_CSQ_CNTL, 0);
 429	tmp = RREG32(RADEON_CP_RB_CNTL);
 430	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 431	WREG32(RADEON_CP_RB_RPTR_WR, 0);
 432	WREG32(RADEON_CP_RB_WPTR, 0);
 433	WREG32(RADEON_CP_RB_CNTL, tmp);
 434	/* save PCI state */
 435	pci_save_state(rdev->pdev);
 436	/* disable bus mastering */
 437	r100_bm_disable(rdev);
 438	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 439					S_0000F0_SOFT_RESET_GA(1));
 440	RREG32(R_0000F0_RBBM_SOFT_RESET);
 441	mdelay(500);
 442	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 443	mdelay(1);
 444	status = RREG32(R_000E40_RBBM_STATUS);
 445	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 446	/* resetting the CP seems to be problematic sometimes it end up
 447	 * hard locking the computer, but it's necessary for successful
 448	 * reset more test & playing is needed on R3XX/R4XX to find a
 449	 * reliable (if any solution)
 450	 */
 451	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 452	RREG32(R_0000F0_RBBM_SOFT_RESET);
 453	mdelay(500);
 454	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 455	mdelay(1);
 456	status = RREG32(R_000E40_RBBM_STATUS);
 457	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 458	/* restore PCI & busmastering */
 459	pci_restore_state(rdev->pdev);
 460	r100_enable_bm(rdev);
 461	/* Check if GPU is idle */
 462	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 463		dev_err(rdev->dev, "failed to reset GPU\n");
 464		ret = -1;
 465	} else
 466		dev_info(rdev->dev, "GPU reset succeed\n");
 467	r100_mc_resume(rdev, &save);
 468	return ret;
 469}
 470
 471/*
 472 * r300,r350,rv350,rv380 VRAM info
 473 */
 474void r300_mc_init(struct radeon_device *rdev)
 475{
 476	u64 base;
 477	u32 tmp;
 478
 479	/* DDR for all card after R300 & IGP */
 480	rdev->mc.vram_is_ddr = true;
 481	tmp = RREG32(RADEON_MEM_CNTL);
 482	tmp &= R300_MEM_NUM_CHANNELS_MASK;
 483	switch (tmp) {
 484	case 0: rdev->mc.vram_width = 64; break;
 485	case 1: rdev->mc.vram_width = 128; break;
 486	case 2: rdev->mc.vram_width = 256; break;
 487	default:  rdev->mc.vram_width = 128; break;
 488	}
 489	r100_vram_init_sizes(rdev);
 490	base = rdev->mc.aper_base;
 491	if (rdev->flags & RADEON_IS_IGP)
 492		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
 493	radeon_vram_location(rdev, &rdev->mc, base);
 494	rdev->mc.gtt_base_align = 0;
 495	if (!(rdev->flags & RADEON_IS_AGP))
 496		radeon_gtt_location(rdev, &rdev->mc);
 497	radeon_update_bandwidth_info(rdev);
 498}
 499
 500void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
 501{
 502	uint32_t link_width_cntl, mask;
 503
 504	if (rdev->flags & RADEON_IS_IGP)
 505		return;
 506
 507	if (!(rdev->flags & RADEON_IS_PCIE))
 508		return;
 509
 510	/* FIXME wait for idle */
 511
 512	switch (lanes) {
 513	case 0:
 514		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
 515		break;
 516	case 1:
 517		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
 518		break;
 519	case 2:
 520		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
 521		break;
 522	case 4:
 523		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
 524		break;
 525	case 8:
 526		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
 527		break;
 528	case 12:
 529		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
 530		break;
 531	case 16:
 532	default:
 533		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
 534		break;
 535	}
 536
 537	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 538
 539	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
 540	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
 541		return;
 542
 543	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
 544			     RADEON_PCIE_LC_RECONFIG_NOW |
 545			     RADEON_PCIE_LC_RECONFIG_LATER |
 546			     RADEON_PCIE_LC_SHORT_RECONFIG_EN);
 547	link_width_cntl |= mask;
 548	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
 549	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
 550						     RADEON_PCIE_LC_RECONFIG_NOW));
 551
 552	/* wait for lane set to complete */
 553	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 554	while (link_width_cntl == 0xffffffff)
 555		link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 556
 557}
 558
 559int rv370_get_pcie_lanes(struct radeon_device *rdev)
 560{
 561	u32 link_width_cntl;
 562
 563	if (rdev->flags & RADEON_IS_IGP)
 564		return 0;
 565
 566	if (!(rdev->flags & RADEON_IS_PCIE))
 567		return 0;
 568
 569	/* FIXME wait for idle */
 570
 571	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 572
 573	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
 574	case RADEON_PCIE_LC_LINK_WIDTH_X0:
 575		return 0;
 576	case RADEON_PCIE_LC_LINK_WIDTH_X1:
 577		return 1;
 578	case RADEON_PCIE_LC_LINK_WIDTH_X2:
 579		return 2;
 580	case RADEON_PCIE_LC_LINK_WIDTH_X4:
 581		return 4;
 582	case RADEON_PCIE_LC_LINK_WIDTH_X8:
 583		return 8;
 584	case RADEON_PCIE_LC_LINK_WIDTH_X16:
 585	default:
 586		return 16;
 587	}
 588}
 589
 590#if defined(CONFIG_DEBUG_FS)
 591static int rv370_debugfs_pcie_gart_info_show(struct seq_file *m, void *unused)
 592{
 593	struct radeon_device *rdev = (struct radeon_device *)m->private;
 594	uint32_t tmp;
 595
 596	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 597	seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
 598	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
 599	seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
 600	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
 601	seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
 602	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
 603	seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
 604	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
 605	seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
 606	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
 607	seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
 608	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
 609	seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
 610	return 0;
 611}
 612
 613DEFINE_SHOW_ATTRIBUTE(rv370_debugfs_pcie_gart_info);
 614#endif
 615
 616static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 617{
 618#if defined(CONFIG_DEBUG_FS)
 619	struct dentry *root = rdev->ddev->primary->debugfs_root;
 620
 621	debugfs_create_file("rv370_pcie_gart_info", 0444, root, rdev,
 622			    &rv370_debugfs_pcie_gart_info_fops);
 623#endif
 624}
 625
 626static int r300_packet0_check(struct radeon_cs_parser *p,
 627		struct radeon_cs_packet *pkt,
 628		unsigned idx, unsigned reg)
 629{
 630	struct radeon_bo_list *reloc;
 631	struct r100_cs_track *track;
 632	volatile uint32_t *ib;
 633	uint32_t tmp, tile_flags = 0;
 634	unsigned i;
 635	int r;
 636	u32 idx_value;
 637
 638	ib = p->ib.ptr;
 639	track = (struct r100_cs_track *)p->track;
 640	idx_value = radeon_get_ib_value(p, idx);
 641
 642	switch(reg) {
 643	case AVIVO_D1MODE_VLINE_START_END:
 644	case RADEON_CRTC_GUI_TRIG_VLINE:
 645		r = r100_cs_packet_parse_vline(p);
 646		if (r) {
 647			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 648					idx, reg);
 649			radeon_cs_dump_packet(p, pkt);
 650			return r;
 651		}
 652		break;
 653	case RADEON_DST_PITCH_OFFSET:
 654	case RADEON_SRC_PITCH_OFFSET:
 655		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 656		if (r)
 657			return r;
 658		break;
 659	case R300_RB3D_COLOROFFSET0:
 660	case R300_RB3D_COLOROFFSET1:
 661	case R300_RB3D_COLOROFFSET2:
 662	case R300_RB3D_COLOROFFSET3:
 663		i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
 664		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 665		if (r) {
 666			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 667					idx, reg);
 668			radeon_cs_dump_packet(p, pkt);
 669			return r;
 670		}
 671		track->cb[i].robj = reloc->robj;
 672		track->cb[i].offset = idx_value;
 673		track->cb_dirty = true;
 674		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 675		break;
 676	case R300_ZB_DEPTHOFFSET:
 677		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 678		if (r) {
 679			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 680					idx, reg);
 681			radeon_cs_dump_packet(p, pkt);
 682			return r;
 683		}
 684		track->zb.robj = reloc->robj;
 685		track->zb.offset = idx_value;
 686		track->zb_dirty = true;
 687		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 688		break;
 689	case R300_TX_OFFSET_0:
 690	case R300_TX_OFFSET_0+4:
 691	case R300_TX_OFFSET_0+8:
 692	case R300_TX_OFFSET_0+12:
 693	case R300_TX_OFFSET_0+16:
 694	case R300_TX_OFFSET_0+20:
 695	case R300_TX_OFFSET_0+24:
 696	case R300_TX_OFFSET_0+28:
 697	case R300_TX_OFFSET_0+32:
 698	case R300_TX_OFFSET_0+36:
 699	case R300_TX_OFFSET_0+40:
 700	case R300_TX_OFFSET_0+44:
 701	case R300_TX_OFFSET_0+48:
 702	case R300_TX_OFFSET_0+52:
 703	case R300_TX_OFFSET_0+56:
 704	case R300_TX_OFFSET_0+60:
 705		i = (reg - R300_TX_OFFSET_0) >> 2;
 706		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 707		if (r) {
 708			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 709					idx, reg);
 710			radeon_cs_dump_packet(p, pkt);
 711			return r;
 712		}
 713
 714		if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
 715			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
 716				  ((idx_value & ~31) + (u32)reloc->gpu_offset);
 717		} else {
 718			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 719				tile_flags |= R300_TXO_MACRO_TILE;
 720			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 721				tile_flags |= R300_TXO_MICRO_TILE;
 722			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 723				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 724
 725			tmp = idx_value + ((u32)reloc->gpu_offset);
 726			tmp |= tile_flags;
 727			ib[idx] = tmp;
 728		}
 729		track->textures[i].robj = reloc->robj;
 730		track->tex_dirty = true;
 731		break;
 732	/* Tracked registers */
 733	case 0x2084:
 734		/* VAP_VF_CNTL */
 735		track->vap_vf_cntl = idx_value;
 736		break;
 737	case 0x20B4:
 738		/* VAP_VTX_SIZE */
 739		track->vtx_size = idx_value & 0x7F;
 740		break;
 741	case 0x2134:
 742		/* VAP_VF_MAX_VTX_INDX */
 743		track->max_indx = idx_value & 0x00FFFFFFUL;
 744		break;
 745	case 0x2088:
 746		/* VAP_ALT_NUM_VERTICES - only valid on r500 */
 747		if (p->rdev->family < CHIP_RV515)
 748			goto fail;
 749		track->vap_alt_nverts = idx_value & 0xFFFFFF;
 750		break;
 751	case 0x43E4:
 752		/* SC_SCISSOR1 */
 753		track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
 754		if (p->rdev->family < CHIP_RV515) {
 755			track->maxy -= 1440;
 756		}
 757		track->cb_dirty = true;
 758		track->zb_dirty = true;
 759		break;
 760	case 0x4E00:
 761		/* RB3D_CCTL */
 762		if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
 763		    p->rdev->cmask_filp != p->filp) {
 764			DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
 765			return -EINVAL;
 766		}
 767		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
 768		track->cb_dirty = true;
 769		break;
 770	case 0x4E38:
 771	case 0x4E3C:
 772	case 0x4E40:
 773	case 0x4E44:
 774		/* RB3D_COLORPITCH0 */
 775		/* RB3D_COLORPITCH1 */
 776		/* RB3D_COLORPITCH2 */
 777		/* RB3D_COLORPITCH3 */
 778		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 779			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 780			if (r) {
 781				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 782					  idx, reg);
 783				radeon_cs_dump_packet(p, pkt);
 784				return r;
 785			}
 786
 787			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 788				tile_flags |= R300_COLOR_TILE_ENABLE;
 789			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 790				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
 791			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 792				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 793
 794			tmp = idx_value & ~(0x7 << 16);
 795			tmp |= tile_flags;
 796			ib[idx] = tmp;
 797		}
 798		i = (reg - 0x4E38) >> 2;
 799		track->cb[i].pitch = idx_value & 0x3FFE;
 800		switch (((idx_value >> 21) & 0xF)) {
 801		case 9:
 802		case 11:
 803		case 12:
 804			track->cb[i].cpp = 1;
 805			break;
 806		case 3:
 807		case 4:
 808		case 13:
 809		case 15:
 810			track->cb[i].cpp = 2;
 811			break;
 812		case 5:
 813			if (p->rdev->family < CHIP_RV515) {
 814				DRM_ERROR("Invalid color buffer format (%d)!\n",
 815					  ((idx_value >> 21) & 0xF));
 816				return -EINVAL;
 817			}
 818			fallthrough;
 819		case 6:
 820			track->cb[i].cpp = 4;
 821			break;
 822		case 10:
 823			track->cb[i].cpp = 8;
 824			break;
 825		case 7:
 826			track->cb[i].cpp = 16;
 827			break;
 828		default:
 829			DRM_ERROR("Invalid color buffer format (%d) !\n",
 830				  ((idx_value >> 21) & 0xF));
 831			return -EINVAL;
 832		}
 833		track->cb_dirty = true;
 834		break;
 835	case 0x4F00:
 836		/* ZB_CNTL */
 837		if (idx_value & 2) {
 838			track->z_enabled = true;
 839		} else {
 840			track->z_enabled = false;
 841		}
 842		track->zb_dirty = true;
 843		break;
 844	case 0x4F10:
 845		/* ZB_FORMAT */
 846		switch ((idx_value & 0xF)) {
 847		case 0:
 848		case 1:
 849			track->zb.cpp = 2;
 850			break;
 851		case 2:
 852			track->zb.cpp = 4;
 853			break;
 854		default:
 855			DRM_ERROR("Invalid z buffer format (%d) !\n",
 856				  (idx_value & 0xF));
 857			return -EINVAL;
 858		}
 859		track->zb_dirty = true;
 860		break;
 861	case 0x4F24:
 862		/* ZB_DEPTHPITCH */
 863		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 864			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 865			if (r) {
 866				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 867					  idx, reg);
 868				radeon_cs_dump_packet(p, pkt);
 869				return r;
 870			}
 871
 872			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 873				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 874			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 875				tile_flags |= R300_DEPTHMICROTILE_TILED;
 876			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 877				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 878
 879			tmp = idx_value & ~(0x7 << 16);
 880			tmp |= tile_flags;
 881			ib[idx] = tmp;
 882		}
 883		track->zb.pitch = idx_value & 0x3FFC;
 884		track->zb_dirty = true;
 885		break;
 886	case 0x4104:
 887		/* TX_ENABLE */
 888		for (i = 0; i < 16; i++) {
 889			bool enabled;
 890
 891			enabled = !!(idx_value & (1 << i));
 892			track->textures[i].enabled = enabled;
 893		}
 894		track->tex_dirty = true;
 895		break;
 896	case 0x44C0:
 897	case 0x44C4:
 898	case 0x44C8:
 899	case 0x44CC:
 900	case 0x44D0:
 901	case 0x44D4:
 902	case 0x44D8:
 903	case 0x44DC:
 904	case 0x44E0:
 905	case 0x44E4:
 906	case 0x44E8:
 907	case 0x44EC:
 908	case 0x44F0:
 909	case 0x44F4:
 910	case 0x44F8:
 911	case 0x44FC:
 912		/* TX_FORMAT1_[0-15] */
 913		i = (reg - 0x44C0) >> 2;
 914		tmp = (idx_value >> 25) & 0x3;
 915		track->textures[i].tex_coord_type = tmp;
 916		switch ((idx_value & 0x1F)) {
 917		case R300_TX_FORMAT_X8:
 918		case R300_TX_FORMAT_Y4X4:
 919		case R300_TX_FORMAT_Z3Y3X2:
 920			track->textures[i].cpp = 1;
 921			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 922			break;
 923		case R300_TX_FORMAT_X16:
 924		case R300_TX_FORMAT_FL_I16:
 925		case R300_TX_FORMAT_Y8X8:
 926		case R300_TX_FORMAT_Z5Y6X5:
 927		case R300_TX_FORMAT_Z6Y5X5:
 928		case R300_TX_FORMAT_W4Z4Y4X4:
 929		case R300_TX_FORMAT_W1Z5Y5X5:
 930		case R300_TX_FORMAT_D3DMFT_CxV8U8:
 931		case R300_TX_FORMAT_B8G8_B8G8:
 932		case R300_TX_FORMAT_G8R8_G8B8:
 933			track->textures[i].cpp = 2;
 934			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 935			break;
 936		case R300_TX_FORMAT_Y16X16:
 937		case R300_TX_FORMAT_FL_I16A16:
 938		case R300_TX_FORMAT_Z11Y11X10:
 939		case R300_TX_FORMAT_Z10Y11X11:
 940		case R300_TX_FORMAT_W8Z8Y8X8:
 941		case R300_TX_FORMAT_W2Z10Y10X10:
 942		case 0x17:
 943		case R300_TX_FORMAT_FL_I32:
 944		case 0x1e:
 945			track->textures[i].cpp = 4;
 946			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 947			break;
 948		case R300_TX_FORMAT_W16Z16Y16X16:
 949		case R300_TX_FORMAT_FL_R16G16B16A16:
 950		case R300_TX_FORMAT_FL_I32A32:
 951			track->textures[i].cpp = 8;
 952			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 953			break;
 954		case R300_TX_FORMAT_FL_R32G32B32A32:
 955			track->textures[i].cpp = 16;
 956			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 957			break;
 958		case R300_TX_FORMAT_DXT1:
 959			track->textures[i].cpp = 1;
 960			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 961			break;
 962		case R300_TX_FORMAT_ATI2N:
 963			if (p->rdev->family < CHIP_R420) {
 964				DRM_ERROR("Invalid texture format %u\n",
 965					  (idx_value & 0x1F));
 966				return -EINVAL;
 967			}
 968			/* The same rules apply as for DXT3/5. */
 969			fallthrough;
 970		case R300_TX_FORMAT_DXT3:
 971		case R300_TX_FORMAT_DXT5:
 972			track->textures[i].cpp = 1;
 973			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
 974			break;
 975		default:
 976			DRM_ERROR("Invalid texture format %u\n",
 977				  (idx_value & 0x1F));
 978			return -EINVAL;
 979		}
 980		track->tex_dirty = true;
 981		break;
 982	case 0x4400:
 983	case 0x4404:
 984	case 0x4408:
 985	case 0x440C:
 986	case 0x4410:
 987	case 0x4414:
 988	case 0x4418:
 989	case 0x441C:
 990	case 0x4420:
 991	case 0x4424:
 992	case 0x4428:
 993	case 0x442C:
 994	case 0x4430:
 995	case 0x4434:
 996	case 0x4438:
 997	case 0x443C:
 998		/* TX_FILTER0_[0-15] */
 999		i = (reg - 0x4400) >> 2;
1000		tmp = idx_value & 0x7;
1001		if (tmp == 2 || tmp == 4 || tmp == 6) {
1002			track->textures[i].roundup_w = false;
1003		}
1004		tmp = (idx_value >> 3) & 0x7;
1005		if (tmp == 2 || tmp == 4 || tmp == 6) {
1006			track->textures[i].roundup_h = false;
1007		}
1008		track->tex_dirty = true;
1009		break;
1010	case 0x4500:
1011	case 0x4504:
1012	case 0x4508:
1013	case 0x450C:
1014	case 0x4510:
1015	case 0x4514:
1016	case 0x4518:
1017	case 0x451C:
1018	case 0x4520:
1019	case 0x4524:
1020	case 0x4528:
1021	case 0x452C:
1022	case 0x4530:
1023	case 0x4534:
1024	case 0x4538:
1025	case 0x453C:
1026		/* TX_FORMAT2_[0-15] */
1027		i = (reg - 0x4500) >> 2;
1028		tmp = idx_value & 0x3FFF;
1029		track->textures[i].pitch = tmp + 1;
1030		if (p->rdev->family >= CHIP_RV515) {
1031			tmp = ((idx_value >> 15) & 1) << 11;
1032			track->textures[i].width_11 = tmp;
1033			tmp = ((idx_value >> 16) & 1) << 11;
1034			track->textures[i].height_11 = tmp;
1035
1036			/* ATI1N */
1037			if (idx_value & (1 << 14)) {
1038				/* The same rules apply as for DXT1. */
1039				track->textures[i].compress_format =
1040					R100_TRACK_COMP_DXT1;
1041			}
1042		} else if (idx_value & (1 << 14)) {
1043			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1044			return -EINVAL;
1045		}
1046		track->tex_dirty = true;
1047		break;
1048	case 0x4480:
1049	case 0x4484:
1050	case 0x4488:
1051	case 0x448C:
1052	case 0x4490:
1053	case 0x4494:
1054	case 0x4498:
1055	case 0x449C:
1056	case 0x44A0:
1057	case 0x44A4:
1058	case 0x44A8:
1059	case 0x44AC:
1060	case 0x44B0:
1061	case 0x44B4:
1062	case 0x44B8:
1063	case 0x44BC:
1064		/* TX_FORMAT0_[0-15] */
1065		i = (reg - 0x4480) >> 2;
1066		tmp = idx_value & 0x7FF;
1067		track->textures[i].width = tmp + 1;
1068		tmp = (idx_value >> 11) & 0x7FF;
1069		track->textures[i].height = tmp + 1;
1070		tmp = (idx_value >> 26) & 0xF;
1071		track->textures[i].num_levels = tmp;
1072		tmp = idx_value & (1 << 31);
1073		track->textures[i].use_pitch = !!tmp;
1074		tmp = (idx_value >> 22) & 0xF;
1075		track->textures[i].txdepth = tmp;
1076		track->tex_dirty = true;
1077		break;
1078	case R300_ZB_ZPASS_ADDR:
1079		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1080		if (r) {
1081			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1082					idx, reg);
1083			radeon_cs_dump_packet(p, pkt);
1084			return r;
1085		}
1086		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1087		break;
1088	case 0x4e0c:
1089		/* RB3D_COLOR_CHANNEL_MASK */
1090		track->color_channel_mask = idx_value;
1091		track->cb_dirty = true;
1092		break;
1093	case 0x43a4:
1094		/* SC_HYPERZ_EN */
1095		/* r300c emits this register - we need to disable hyperz for it
1096		 * without complaining */
1097		if (p->rdev->hyperz_filp != p->filp) {
1098			if (idx_value & 0x1)
1099				ib[idx] = idx_value & ~1;
1100		}
1101		break;
1102	case 0x4f1c:
1103		/* ZB_BW_CNTL */
1104		track->zb_cb_clear = !!(idx_value & (1 << 5));
1105		track->cb_dirty = true;
1106		track->zb_dirty = true;
1107		if (p->rdev->hyperz_filp != p->filp) {
1108			if (idx_value & (R300_HIZ_ENABLE |
1109					 R300_RD_COMP_ENABLE |
1110					 R300_WR_COMP_ENABLE |
1111					 R300_FAST_FILL_ENABLE))
1112				goto fail;
1113		}
1114		break;
1115	case 0x4e04:
1116		/* RB3D_BLENDCNTL */
1117		track->blend_read_enable = !!(idx_value & (1 << 2));
1118		track->cb_dirty = true;
1119		break;
1120	case R300_RB3D_AARESOLVE_OFFSET:
1121		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1122		if (r) {
1123			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1124				  idx, reg);
1125			radeon_cs_dump_packet(p, pkt);
1126			return r;
1127		}
1128		track->aa.robj = reloc->robj;
1129		track->aa.offset = idx_value;
1130		track->aa_dirty = true;
1131		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1132		break;
1133	case R300_RB3D_AARESOLVE_PITCH:
1134		track->aa.pitch = idx_value & 0x3FFE;
1135		track->aa_dirty = true;
1136		break;
1137	case R300_RB3D_AARESOLVE_CTL:
1138		track->aaresolve = idx_value & 0x1;
1139		track->aa_dirty = true;
1140		break;
1141	case 0x4f30: /* ZB_MASK_OFFSET */
1142	case 0x4f34: /* ZB_ZMASK_PITCH */
1143	case 0x4f44: /* ZB_HIZ_OFFSET */
1144	case 0x4f54: /* ZB_HIZ_PITCH */
1145		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1146			goto fail;
1147		break;
1148	case 0x4028:
1149		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1150			goto fail;
1151		/* GB_Z_PEQ_CONFIG */
1152		if (p->rdev->family >= CHIP_RV350)
1153			break;
1154		goto fail;
1155		break;
1156	case 0x4be8:
1157		/* valid register only on RV530 */
1158		if (p->rdev->family == CHIP_RV530)
1159			break;
1160		fallthrough;
1161		/* fallthrough do not move */
1162	default:
1163		goto fail;
1164	}
1165	return 0;
1166fail:
1167	pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1168	       reg, idx, idx_value);
1169	return -EINVAL;
1170}
1171
1172static int r300_packet3_check(struct radeon_cs_parser *p,
1173			      struct radeon_cs_packet *pkt)
1174{
1175	struct radeon_bo_list *reloc;
1176	struct r100_cs_track *track;
1177	volatile uint32_t *ib;
1178	unsigned idx;
1179	int r;
1180
1181	ib = p->ib.ptr;
1182	idx = pkt->idx + 1;
1183	track = (struct r100_cs_track *)p->track;
1184	switch(pkt->opcode) {
1185	case PACKET3_3D_LOAD_VBPNTR:
1186		r = r100_packet3_load_vbpntr(p, pkt, idx);
1187		if (r)
1188			return r;
1189		break;
1190	case PACKET3_INDX_BUFFER:
1191		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1192		if (r) {
1193			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1194			radeon_cs_dump_packet(p, pkt);
1195			return r;
1196		}
1197		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1198		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1199		if (r) {
1200			return r;
1201		}
1202		break;
1203	/* Draw packet */
1204	case PACKET3_3D_DRAW_IMMD:
1205		/* Number of dwords is vtx_size * (num_vertices - 1)
1206		 * PRIM_WALK must be equal to 3 vertex data in embedded
1207		 * in cmd stream */
1208		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1209			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1210			return -EINVAL;
1211		}
1212		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1213		track->immd_dwords = pkt->count - 1;
1214		r = r100_cs_track_check(p->rdev, track);
1215		if (r) {
1216			return r;
1217		}
1218		break;
1219	case PACKET3_3D_DRAW_IMMD_2:
1220		/* Number of dwords is vtx_size * (num_vertices - 1)
1221		 * PRIM_WALK must be equal to 3 vertex data in embedded
1222		 * in cmd stream */
1223		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1224			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1225			return -EINVAL;
1226		}
1227		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1228		track->immd_dwords = pkt->count;
1229		r = r100_cs_track_check(p->rdev, track);
1230		if (r) {
1231			return r;
1232		}
1233		break;
1234	case PACKET3_3D_DRAW_VBUF:
1235		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1236		r = r100_cs_track_check(p->rdev, track);
1237		if (r) {
1238			return r;
1239		}
1240		break;
1241	case PACKET3_3D_DRAW_VBUF_2:
1242		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1243		r = r100_cs_track_check(p->rdev, track);
1244		if (r) {
1245			return r;
1246		}
1247		break;
1248	case PACKET3_3D_DRAW_INDX:
1249		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1250		r = r100_cs_track_check(p->rdev, track);
1251		if (r) {
1252			return r;
1253		}
1254		break;
1255	case PACKET3_3D_DRAW_INDX_2:
1256		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1257		r = r100_cs_track_check(p->rdev, track);
1258		if (r) {
1259			return r;
1260		}
1261		break;
1262	case PACKET3_3D_CLEAR_HIZ:
1263	case PACKET3_3D_CLEAR_ZMASK:
1264		if (p->rdev->hyperz_filp != p->filp)
1265			return -EINVAL;
1266		break;
1267	case PACKET3_3D_CLEAR_CMASK:
1268		if (p->rdev->cmask_filp != p->filp)
1269			return -EINVAL;
1270		break;
1271	case PACKET3_NOP:
1272		break;
1273	default:
1274		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1275		return -EINVAL;
1276	}
1277	return 0;
1278}
1279
1280int r300_cs_parse(struct radeon_cs_parser *p)
1281{
1282	struct radeon_cs_packet pkt;
1283	struct r100_cs_track *track;
1284	int r;
1285
1286	track = kzalloc(sizeof(*track), GFP_KERNEL);
1287	if (track == NULL)
1288		return -ENOMEM;
1289	r100_cs_track_clear(p->rdev, track);
1290	p->track = track;
1291	do {
1292		r = radeon_cs_packet_parse(p, &pkt, p->idx);
1293		if (r) {
1294			return r;
1295		}
1296		p->idx += pkt.count + 2;
1297		switch (pkt.type) {
1298		case RADEON_PACKET_TYPE0:
1299			r = r100_cs_parse_packet0(p, &pkt,
1300						  p->rdev->config.r300.reg_safe_bm,
1301						  p->rdev->config.r300.reg_safe_bm_size,
1302						  &r300_packet0_check);
1303			break;
1304		case RADEON_PACKET_TYPE2:
1305			break;
1306		case RADEON_PACKET_TYPE3:
1307			r = r300_packet3_check(p, &pkt);
1308			break;
1309		default:
1310			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1311			return -EINVAL;
1312		}
1313		if (r) {
1314			return r;
1315		}
1316	} while (p->idx < p->chunk_ib->length_dw);
1317	return 0;
1318}
1319
1320void r300_set_reg_safe(struct radeon_device *rdev)
1321{
1322	rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1323	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1324}
1325
1326void r300_mc_program(struct radeon_device *rdev)
1327{
1328	struct r100_mc_save save;
1329
1330	r100_debugfs_mc_info_init(rdev);
1331
1332	/* Stops all mc clients */
1333	r100_mc_stop(rdev, &save);
1334	if (rdev->flags & RADEON_IS_AGP) {
1335		WREG32(R_00014C_MC_AGP_LOCATION,
1336			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1337			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1338		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1339		WREG32(R_00015C_AGP_BASE_2,
1340			upper_32_bits(rdev->mc.agp_base) & 0xff);
1341	} else {
1342		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1343		WREG32(R_000170_AGP_BASE, 0);
1344		WREG32(R_00015C_AGP_BASE_2, 0);
1345	}
1346	/* Wait for mc idle */
1347	if (r300_mc_wait_for_idle(rdev))
1348		DRM_INFO("Failed to wait MC idle before programming MC.\n");
1349	/* Program MC, should be a 32bits limited address space */
1350	WREG32(R_000148_MC_FB_LOCATION,
1351		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1352		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1353	r100_mc_resume(rdev, &save);
1354}
1355
1356void r300_clock_startup(struct radeon_device *rdev)
1357{
1358	u32 tmp;
1359
1360	if (radeon_dynclks != -1 && radeon_dynclks)
1361		radeon_legacy_set_clock_gating(rdev, 1);
1362	/* We need to force on some of the block */
1363	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1364	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1365	if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1366		tmp |= S_00000D_FORCE_VAP(1);
1367	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1368}
1369
1370static int r300_startup(struct radeon_device *rdev)
1371{
1372	int r;
1373
1374	/* set common regs */
1375	r100_set_common_regs(rdev);
1376	/* program mc */
1377	r300_mc_program(rdev);
1378	/* Resume clock */
1379	r300_clock_startup(rdev);
1380	/* Initialize GPU configuration (# pipes, ...) */
1381	r300_gpu_init(rdev);
1382	/* Initialize GART (initialize after TTM so we can allocate
1383	 * memory through TTM but finalize after TTM) */
1384	if (rdev->flags & RADEON_IS_PCIE) {
1385		r = rv370_pcie_gart_enable(rdev);
1386		if (r)
1387			return r;
1388	}
1389
1390	if (rdev->family == CHIP_R300 ||
1391	    rdev->family == CHIP_R350 ||
1392	    rdev->family == CHIP_RV350)
1393		r100_enable_bm(rdev);
1394
1395	if (rdev->flags & RADEON_IS_PCI) {
1396		r = r100_pci_gart_enable(rdev);
1397		if (r)
1398			return r;
1399	}
1400
1401	/* allocate wb buffer */
1402	r = radeon_wb_init(rdev);
1403	if (r)
1404		return r;
1405
1406	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1407	if (r) {
1408		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1409		return r;
1410	}
1411
1412	/* Enable IRQ */
1413	if (!rdev->irq.installed) {
1414		r = radeon_irq_kms_init(rdev);
1415		if (r)
1416			return r;
1417	}
1418
1419	r100_irq_set(rdev);
1420	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1421	/* 1M ring buffer */
1422	r = r100_cp_init(rdev, 1024 * 1024);
1423	if (r) {
1424		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1425		return r;
1426	}
1427
1428	r = radeon_ib_pool_init(rdev);
1429	if (r) {
1430		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1431		return r;
1432	}
1433
1434	return 0;
1435}
1436
1437int r300_resume(struct radeon_device *rdev)
1438{
1439	int r;
1440
1441	/* Make sur GART are not working */
1442	if (rdev->flags & RADEON_IS_PCIE)
1443		rv370_pcie_gart_disable(rdev);
1444	if (rdev->flags & RADEON_IS_PCI)
1445		r100_pci_gart_disable(rdev);
1446	/* Resume clock before doing reset */
1447	r300_clock_startup(rdev);
1448	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1449	if (radeon_asic_reset(rdev)) {
1450		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1451			RREG32(R_000E40_RBBM_STATUS),
1452			RREG32(R_0007C0_CP_STAT));
1453	}
1454	/* post */
1455	radeon_combios_asic_init(rdev->ddev);
1456	/* Resume clock after posting */
1457	r300_clock_startup(rdev);
1458	/* Initialize surface registers */
1459	radeon_surface_init(rdev);
1460
1461	rdev->accel_working = true;
1462	r = r300_startup(rdev);
1463	if (r) {
1464		rdev->accel_working = false;
1465	}
1466	return r;
1467}
1468
1469int r300_suspend(struct radeon_device *rdev)
1470{
1471	radeon_pm_suspend(rdev);
1472	r100_cp_disable(rdev);
1473	radeon_wb_disable(rdev);
1474	r100_irq_disable(rdev);
1475	if (rdev->flags & RADEON_IS_PCIE)
1476		rv370_pcie_gart_disable(rdev);
1477	if (rdev->flags & RADEON_IS_PCI)
1478		r100_pci_gart_disable(rdev);
1479	return 0;
1480}
1481
1482void r300_fini(struct radeon_device *rdev)
1483{
1484	radeon_pm_fini(rdev);
1485	r100_cp_fini(rdev);
1486	radeon_wb_fini(rdev);
1487	radeon_ib_pool_fini(rdev);
1488	radeon_gem_fini(rdev);
1489	if (rdev->flags & RADEON_IS_PCIE)
1490		rv370_pcie_gart_fini(rdev);
1491	if (rdev->flags & RADEON_IS_PCI)
1492		r100_pci_gart_fini(rdev);
1493	radeon_agp_fini(rdev);
1494	radeon_irq_kms_fini(rdev);
1495	radeon_fence_driver_fini(rdev);
1496	radeon_bo_fini(rdev);
1497	radeon_atombios_fini(rdev);
1498	kfree(rdev->bios);
1499	rdev->bios = NULL;
1500}
1501
1502int r300_init(struct radeon_device *rdev)
1503{
1504	int r;
1505
1506	/* Disable VGA */
1507	r100_vga_render_disable(rdev);
1508	/* Initialize scratch registers */
1509	radeon_scratch_init(rdev);
1510	/* Initialize surface registers */
1511	radeon_surface_init(rdev);
1512	/* TODO: disable VGA need to use VGA request */
1513	/* restore some register to sane defaults */
1514	r100_restore_sanity(rdev);
1515	/* BIOS*/
1516	if (!radeon_get_bios(rdev)) {
1517		if (ASIC_IS_AVIVO(rdev))
1518			return -EINVAL;
1519	}
1520	if (rdev->is_atom_bios) {
1521		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1522		return -EINVAL;
1523	} else {
1524		r = radeon_combios_init(rdev);
1525		if (r)
1526			return r;
1527	}
1528	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1529	if (radeon_asic_reset(rdev)) {
1530		dev_warn(rdev->dev,
1531			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1532			RREG32(R_000E40_RBBM_STATUS),
1533			RREG32(R_0007C0_CP_STAT));
1534	}
1535	/* check if cards are posted or not */
1536	if (radeon_boot_test_post_card(rdev) == false)
1537		return -EINVAL;
1538	/* Set asic errata */
1539	r300_errata(rdev);
1540	/* Initialize clocks */
1541	radeon_get_clock_info(rdev->ddev);
1542	/* initialize AGP */
1543	if (rdev->flags & RADEON_IS_AGP) {
1544		r = radeon_agp_init(rdev);
1545		if (r) {
1546			radeon_agp_disable(rdev);
1547		}
1548	}
1549	/* initialize memory controller */
1550	r300_mc_init(rdev);
1551	/* Fence driver */
1552	radeon_fence_driver_init(rdev);
1553	/* Memory manager */
1554	r = radeon_bo_init(rdev);
1555	if (r)
1556		return r;
1557	if (rdev->flags & RADEON_IS_PCIE) {
1558		r = rv370_pcie_gart_init(rdev);
1559		if (r)
1560			return r;
1561	}
1562	if (rdev->flags & RADEON_IS_PCI) {
1563		r = r100_pci_gart_init(rdev);
1564		if (r)
1565			return r;
1566	}
1567	r300_set_reg_safe(rdev);
1568
1569	/* Initialize power management */
1570	radeon_pm_init(rdev);
1571
1572	rdev->accel_working = true;
1573	r = r300_startup(rdev);
1574	if (r) {
1575		/* Something went wrong with the accel init, so stop accel */
1576		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1577		r100_cp_fini(rdev);
1578		radeon_wb_fini(rdev);
1579		radeon_ib_pool_fini(rdev);
1580		radeon_irq_kms_fini(rdev);
1581		if (rdev->flags & RADEON_IS_PCIE)
1582			rv370_pcie_gart_fini(rdev);
1583		if (rdev->flags & RADEON_IS_PCI)
1584			r100_pci_gart_fini(rdev);
1585		radeon_agp_fini(rdev);
1586		rdev->accel_working = false;
1587	}
1588	return 0;
1589}
v6.13.7
   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28
  29#include <linux/debugfs.h>
  30#include <linux/pci.h>
  31#include <linux/seq_file.h>
  32#include <linux/slab.h>
  33
  34#include <drm/drm.h>
 
  35#include <drm/drm_device.h>
  36#include <drm/drm_file.h>
  37#include <drm/radeon_drm.h>
  38
  39#include "r100_track.h"
  40#include "r300_reg_safe.h"
  41#include "r300d.h"
  42#include "radeon.h"
  43#include "radeon_asic.h"
  44#include "radeon_reg.h"
  45#include "rv350d.h"
  46
  47/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
  48 *
  49 * GPU Errata:
  50 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
  51 *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
  52 *   However, scheduling such write to the ring seems harmless, i suspect
  53 *   the CP read collide with the flush somehow, or maybe the MC, hard to
  54 *   tell. (Jerome Glisse)
  55 */
  56
  57/*
  58 * Indirect registers accessor
  59 */
  60uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
  61{
  62	unsigned long flags;
  63	uint32_t r;
  64
  65	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  66	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  67	r = RREG32(RADEON_PCIE_DATA);
  68	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  69	return r;
  70}
  71
  72void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
  73{
  74	unsigned long flags;
  75
  76	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  77	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  78	WREG32(RADEON_PCIE_DATA, (v));
  79	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  80}
  81
  82/*
  83 * rv370,rv380 PCIE GART
  84 */
  85static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
  86
  87void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
  88{
  89	uint32_t tmp;
  90	int i;
  91
  92	/* Workaround HW bug do flush 2 times */
  93	for (i = 0; i < 2; i++) {
  94		tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  95		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
  96		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  97		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
  98	}
  99	mb();
 100}
 101
 102#define R300_PTE_UNSNOOPED (1 << 0)
 103#define R300_PTE_WRITEABLE (1 << 2)
 104#define R300_PTE_READABLE  (1 << 3)
 105
 106uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
 107{
 108	addr = (lower_32_bits(addr) >> 8) |
 109		((upper_32_bits(addr) & 0xff) << 24);
 110	if (flags & RADEON_GART_PAGE_READ)
 111		addr |= R300_PTE_READABLE;
 112	if (flags & RADEON_GART_PAGE_WRITE)
 113		addr |= R300_PTE_WRITEABLE;
 114	if (!(flags & RADEON_GART_PAGE_SNOOP))
 115		addr |= R300_PTE_UNSNOOPED;
 116	return addr;
 117}
 118
 119void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
 120			      uint64_t entry)
 121{
 122	void __iomem *ptr = rdev->gart.ptr;
 123
 124	/* on x86 we want this to be CPU endian, on powerpc
 125	 * on powerpc without HW swappers, it'll get swapped on way
 126	 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
 127	writel(entry, ((void __iomem *)ptr) + (i * 4));
 128}
 129
 130int rv370_pcie_gart_init(struct radeon_device *rdev)
 131{
 132	int r;
 133
 134	if (rdev->gart.robj) {
 135		WARN(1, "RV370 PCIE GART already initialized\n");
 136		return 0;
 137	}
 138	/* Initialize common gart structure */
 139	r = radeon_gart_init(rdev);
 140	if (r)
 141		return r;
 142	rv370_debugfs_pcie_gart_info_init(rdev);
 143
 144	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 145	rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
 146	rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
 147	rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
 148	return radeon_gart_table_vram_alloc(rdev);
 149}
 150
 151int rv370_pcie_gart_enable(struct radeon_device *rdev)
 152{
 153	uint32_t table_addr;
 154	uint32_t tmp;
 155	int r;
 156
 157	if (rdev->gart.robj == NULL) {
 158		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 159		return -EINVAL;
 160	}
 161	r = radeon_gart_table_vram_pin(rdev);
 162	if (r)
 163		return r;
 164	/* discard memory request outside of configured range */
 165	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 166	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 167	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
 168	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
 169	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 170	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 171	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 172	table_addr = rdev->gart.table_addr;
 173	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 174	/* FIXME: setup default page */
 175	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
 176	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 177	/* Clear error */
 178	WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
 179	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 180	tmp |= RADEON_PCIE_TX_GART_EN;
 181	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 182	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 183	rv370_pcie_gart_tlb_flush(rdev);
 184	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 185		 (unsigned)(rdev->mc.gtt_size >> 20),
 186		 (unsigned long long)table_addr);
 187	rdev->gart.ready = true;
 188	return 0;
 189}
 190
 191void rv370_pcie_gart_disable(struct radeon_device *rdev)
 192{
 193	u32 tmp;
 194
 195	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
 196	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
 197	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 198	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 199	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 200	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 201	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
 202	radeon_gart_table_vram_unpin(rdev);
 203}
 204
 205void rv370_pcie_gart_fini(struct radeon_device *rdev)
 206{
 207	radeon_gart_fini(rdev);
 208	rv370_pcie_gart_disable(rdev);
 209	radeon_gart_table_vram_free(rdev);
 210}
 211
 212void r300_fence_ring_emit(struct radeon_device *rdev,
 213			  struct radeon_fence *fence)
 214{
 215	struct radeon_ring *ring = &rdev->ring[fence->ring];
 216
 217	/* Who ever call radeon_fence_emit should call ring_lock and ask
 218	 * for enough space (today caller are ib schedule and buffer move) */
 219	/* Write SC register so SC & US assert idle */
 220	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
 221	radeon_ring_write(ring, 0);
 222	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
 223	radeon_ring_write(ring, 0);
 224	/* Flush 3D cache */
 225	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 226	radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
 227	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 228	radeon_ring_write(ring, R300_ZC_FLUSH);
 229	/* Wait until IDLE & CLEAN */
 230	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 231	radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
 232				 RADEON_WAIT_2D_IDLECLEAN |
 233				 RADEON_WAIT_DMA_GUI_IDLE));
 234	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 235	radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
 236				RADEON_HDP_READ_BUFFER_INVALIDATE);
 237	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 238	radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
 239	/* Emit fence sequence & fire IRQ */
 240	radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 241	radeon_ring_write(ring, fence->seq);
 242	radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 243	radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 244}
 245
 246void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 247{
 248	unsigned gb_tile_config;
 249	int r;
 250
 251	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
 252	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 253	switch (rdev->num_gb_pipes) {
 254	case 2:
 255		gb_tile_config |= R300_PIPE_COUNT_R300;
 256		break;
 257	case 3:
 258		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 259		break;
 260	case 4:
 261		gb_tile_config |= R300_PIPE_COUNT_R420;
 262		break;
 263	case 1:
 264	default:
 265		gb_tile_config |= R300_PIPE_COUNT_RV350;
 266		break;
 267	}
 268
 269	r = radeon_ring_lock(rdev, ring, 64);
 270	if (r) {
 271		return;
 272	}
 273	radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 274	radeon_ring_write(ring,
 275			  RADEON_ISYNC_ANY2D_IDLE3D |
 276			  RADEON_ISYNC_ANY3D_IDLE2D |
 277			  RADEON_ISYNC_WAIT_IDLEGUI |
 278			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 279	radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
 280	radeon_ring_write(ring, gb_tile_config);
 281	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 282	radeon_ring_write(ring,
 283			  RADEON_WAIT_2D_IDLECLEAN |
 284			  RADEON_WAIT_3D_IDLECLEAN);
 285	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
 286	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
 287	radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
 288	radeon_ring_write(ring, 0);
 289	radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
 290	radeon_ring_write(ring, 0);
 291	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 292	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 293	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 294	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 295	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 296	radeon_ring_write(ring,
 297			  RADEON_WAIT_2D_IDLECLEAN |
 298			  RADEON_WAIT_3D_IDLECLEAN);
 299	radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
 300	radeon_ring_write(ring, 0);
 301	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 302	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 303	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 304	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 305	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
 306	radeon_ring_write(ring,
 307			  ((6 << R300_MS_X0_SHIFT) |
 308			   (6 << R300_MS_Y0_SHIFT) |
 309			   (6 << R300_MS_X1_SHIFT) |
 310			   (6 << R300_MS_Y1_SHIFT) |
 311			   (6 << R300_MS_X2_SHIFT) |
 312			   (6 << R300_MS_Y2_SHIFT) |
 313			   (6 << R300_MSBD0_Y_SHIFT) |
 314			   (6 << R300_MSBD0_X_SHIFT)));
 315	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
 316	radeon_ring_write(ring,
 317			  ((6 << R300_MS_X3_SHIFT) |
 318			   (6 << R300_MS_Y3_SHIFT) |
 319			   (6 << R300_MS_X4_SHIFT) |
 320			   (6 << R300_MS_Y4_SHIFT) |
 321			   (6 << R300_MS_X5_SHIFT) |
 322			   (6 << R300_MS_Y5_SHIFT) |
 323			   (6 << R300_MSBD1_SHIFT)));
 324	radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
 325	radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
 326	radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
 327	radeon_ring_write(ring,
 328			  R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
 329	radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
 330	radeon_ring_write(ring,
 331			  R300_GEOMETRY_ROUND_NEAREST |
 332			  R300_COLOR_ROUND_NEAREST);
 333	radeon_ring_unlock_commit(rdev, ring, false);
 334}
 335
 336static void r300_errata(struct radeon_device *rdev)
 337{
 338	rdev->pll_errata = 0;
 339
 340	if (rdev->family == CHIP_R300 &&
 341	    (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
 342		rdev->pll_errata |= CHIP_ERRATA_R300_CG;
 343	}
 344}
 345
 346int r300_mc_wait_for_idle(struct radeon_device *rdev)
 347{
 348	unsigned i;
 349	uint32_t tmp;
 350
 351	for (i = 0; i < rdev->usec_timeout; i++) {
 352		/* read MC_STATUS */
 353		tmp = RREG32(RADEON_MC_STATUS);
 354		if (tmp & R300_MC_IDLE) {
 355			return 0;
 356		}
 357		udelay(1);
 358	}
 359	return -1;
 360}
 361
 362/* rs400_gpu_init also calls this! */
 363void r300_gpu_init(struct radeon_device *rdev)
 364{
 365	uint32_t gb_tile_config, tmp;
 366
 367	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
 368	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
 369		/* r300,r350 */
 370		rdev->num_gb_pipes = 2;
 371	} else {
 372		/* rv350,rv370,rv380,r300 AD, r350 AH */
 373		rdev->num_gb_pipes = 1;
 374	}
 375	rdev->num_z_pipes = 1;
 376	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 377	switch (rdev->num_gb_pipes) {
 378	case 2:
 379		gb_tile_config |= R300_PIPE_COUNT_R300;
 380		break;
 381	case 3:
 382		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 383		break;
 384	case 4:
 385		gb_tile_config |= R300_PIPE_COUNT_R420;
 386		break;
 387	default:
 388	case 1:
 389		gb_tile_config |= R300_PIPE_COUNT_RV350;
 390		break;
 391	}
 392	WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
 393
 394	if (r100_gui_wait_for_idle(rdev)) {
 395		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 396	}
 397
 398	tmp = RREG32(R300_DST_PIPE_CONFIG);
 399	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 400
 401	WREG32(R300_RB2D_DSTCACHE_MODE,
 402	       R300_DC_AUTOFLUSH_ENABLE |
 403	       R300_DC_DC_DISABLE_IGNORE_PE);
 404
 405	if (r100_gui_wait_for_idle(rdev)) {
 406		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 407	}
 408	if (r300_mc_wait_for_idle(rdev)) {
 409		pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
 410	}
 411	DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
 412		 rdev->num_gb_pipes, rdev->num_z_pipes);
 413}
 414
 415int r300_asic_reset(struct radeon_device *rdev, bool hard)
 416{
 417	struct r100_mc_save save;
 418	u32 status, tmp;
 419	int ret = 0;
 420
 421	status = RREG32(R_000E40_RBBM_STATUS);
 422	if (!G_000E40_GUI_ACTIVE(status)) {
 423		return 0;
 424	}
 425	r100_mc_stop(rdev, &save);
 426	status = RREG32(R_000E40_RBBM_STATUS);
 427	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 428	/* stop CP */
 429	WREG32(RADEON_CP_CSQ_CNTL, 0);
 430	tmp = RREG32(RADEON_CP_RB_CNTL);
 431	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 432	WREG32(RADEON_CP_RB_RPTR_WR, 0);
 433	WREG32(RADEON_CP_RB_WPTR, 0);
 434	WREG32(RADEON_CP_RB_CNTL, tmp);
 435	/* save PCI state */
 436	pci_save_state(rdev->pdev);
 437	/* disable bus mastering */
 438	r100_bm_disable(rdev);
 439	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 440					S_0000F0_SOFT_RESET_GA(1));
 441	RREG32(R_0000F0_RBBM_SOFT_RESET);
 442	mdelay(500);
 443	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 444	mdelay(1);
 445	status = RREG32(R_000E40_RBBM_STATUS);
 446	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 447	/* resetting the CP seems to be problematic sometimes it end up
 448	 * hard locking the computer, but it's necessary for successful
 449	 * reset more test & playing is needed on R3XX/R4XX to find a
 450	 * reliable (if any solution)
 451	 */
 452	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 453	RREG32(R_0000F0_RBBM_SOFT_RESET);
 454	mdelay(500);
 455	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 456	mdelay(1);
 457	status = RREG32(R_000E40_RBBM_STATUS);
 458	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 459	/* restore PCI & busmastering */
 460	pci_restore_state(rdev->pdev);
 461	r100_enable_bm(rdev);
 462	/* Check if GPU is idle */
 463	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 464		dev_err(rdev->dev, "failed to reset GPU\n");
 465		ret = -1;
 466	} else
 467		dev_info(rdev->dev, "GPU reset succeed\n");
 468	r100_mc_resume(rdev, &save);
 469	return ret;
 470}
 471
 472/*
 473 * r300,r350,rv350,rv380 VRAM info
 474 */
 475void r300_mc_init(struct radeon_device *rdev)
 476{
 477	u64 base;
 478	u32 tmp;
 479
 480	/* DDR for all card after R300 & IGP */
 481	rdev->mc.vram_is_ddr = true;
 482	tmp = RREG32(RADEON_MEM_CNTL);
 483	tmp &= R300_MEM_NUM_CHANNELS_MASK;
 484	switch (tmp) {
 485	case 0: rdev->mc.vram_width = 64; break;
 486	case 1: rdev->mc.vram_width = 128; break;
 487	case 2: rdev->mc.vram_width = 256; break;
 488	default:  rdev->mc.vram_width = 128; break;
 489	}
 490	r100_vram_init_sizes(rdev);
 491	base = rdev->mc.aper_base;
 492	if (rdev->flags & RADEON_IS_IGP)
 493		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
 494	radeon_vram_location(rdev, &rdev->mc, base);
 495	rdev->mc.gtt_base_align = 0;
 496	if (!(rdev->flags & RADEON_IS_AGP))
 497		radeon_gtt_location(rdev, &rdev->mc);
 498	radeon_update_bandwidth_info(rdev);
 499}
 500
 501void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
 502{
 503	uint32_t link_width_cntl, mask;
 504
 505	if (rdev->flags & RADEON_IS_IGP)
 506		return;
 507
 508	if (!(rdev->flags & RADEON_IS_PCIE))
 509		return;
 510
 511	/* FIXME wait for idle */
 512
 513	switch (lanes) {
 514	case 0:
 515		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
 516		break;
 517	case 1:
 518		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
 519		break;
 520	case 2:
 521		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
 522		break;
 523	case 4:
 524		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
 525		break;
 526	case 8:
 527		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
 528		break;
 529	case 12:
 530		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
 531		break;
 532	case 16:
 533	default:
 534		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
 535		break;
 536	}
 537
 538	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 539
 540	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
 541	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
 542		return;
 543
 544	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
 545			     RADEON_PCIE_LC_RECONFIG_NOW |
 546			     RADEON_PCIE_LC_RECONFIG_LATER |
 547			     RADEON_PCIE_LC_SHORT_RECONFIG_EN);
 548	link_width_cntl |= mask;
 549	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
 550	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
 551						     RADEON_PCIE_LC_RECONFIG_NOW));
 552
 553	/* wait for lane set to complete */
 554	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 555	while (link_width_cntl == 0xffffffff)
 556		link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 557
 558}
 559
 560int rv370_get_pcie_lanes(struct radeon_device *rdev)
 561{
 562	u32 link_width_cntl;
 563
 564	if (rdev->flags & RADEON_IS_IGP)
 565		return 0;
 566
 567	if (!(rdev->flags & RADEON_IS_PCIE))
 568		return 0;
 569
 570	/* FIXME wait for idle */
 571
 572	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 573
 574	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
 575	case RADEON_PCIE_LC_LINK_WIDTH_X0:
 576		return 0;
 577	case RADEON_PCIE_LC_LINK_WIDTH_X1:
 578		return 1;
 579	case RADEON_PCIE_LC_LINK_WIDTH_X2:
 580		return 2;
 581	case RADEON_PCIE_LC_LINK_WIDTH_X4:
 582		return 4;
 583	case RADEON_PCIE_LC_LINK_WIDTH_X8:
 584		return 8;
 585	case RADEON_PCIE_LC_LINK_WIDTH_X16:
 586	default:
 587		return 16;
 588	}
 589}
 590
 591#if defined(CONFIG_DEBUG_FS)
 592static int rv370_debugfs_pcie_gart_info_show(struct seq_file *m, void *unused)
 593{
 594	struct radeon_device *rdev = m->private;
 595	uint32_t tmp;
 596
 597	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 598	seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
 599	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
 600	seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
 601	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
 602	seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
 603	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
 604	seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
 605	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
 606	seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
 607	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
 608	seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
 609	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
 610	seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
 611	return 0;
 612}
 613
 614DEFINE_SHOW_ATTRIBUTE(rv370_debugfs_pcie_gart_info);
 615#endif
 616
 617static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 618{
 619#if defined(CONFIG_DEBUG_FS)
 620	struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
 621
 622	debugfs_create_file("rv370_pcie_gart_info", 0444, root, rdev,
 623			    &rv370_debugfs_pcie_gart_info_fops);
 624#endif
 625}
 626
 627static int r300_packet0_check(struct radeon_cs_parser *p,
 628		struct radeon_cs_packet *pkt,
 629		unsigned idx, unsigned reg)
 630{
 631	struct radeon_bo_list *reloc;
 632	struct r100_cs_track *track;
 633	volatile uint32_t *ib;
 634	uint32_t tmp, tile_flags = 0;
 635	unsigned i;
 636	int r;
 637	u32 idx_value;
 638
 639	ib = p->ib.ptr;
 640	track = (struct r100_cs_track *)p->track;
 641	idx_value = radeon_get_ib_value(p, idx);
 642
 643	switch (reg) {
 644	case AVIVO_D1MODE_VLINE_START_END:
 645	case RADEON_CRTC_GUI_TRIG_VLINE:
 646		r = r100_cs_packet_parse_vline(p);
 647		if (r) {
 648			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 649					idx, reg);
 650			radeon_cs_dump_packet(p, pkt);
 651			return r;
 652		}
 653		break;
 654	case RADEON_DST_PITCH_OFFSET:
 655	case RADEON_SRC_PITCH_OFFSET:
 656		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 657		if (r)
 658			return r;
 659		break;
 660	case R300_RB3D_COLOROFFSET0:
 661	case R300_RB3D_COLOROFFSET1:
 662	case R300_RB3D_COLOROFFSET2:
 663	case R300_RB3D_COLOROFFSET3:
 664		i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
 665		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 666		if (r) {
 667			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 668					idx, reg);
 669			radeon_cs_dump_packet(p, pkt);
 670			return r;
 671		}
 672		track->cb[i].robj = reloc->robj;
 673		track->cb[i].offset = idx_value;
 674		track->cb_dirty = true;
 675		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 676		break;
 677	case R300_ZB_DEPTHOFFSET:
 678		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 679		if (r) {
 680			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 681					idx, reg);
 682			radeon_cs_dump_packet(p, pkt);
 683			return r;
 684		}
 685		track->zb.robj = reloc->robj;
 686		track->zb.offset = idx_value;
 687		track->zb_dirty = true;
 688		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 689		break;
 690	case R300_TX_OFFSET_0:
 691	case R300_TX_OFFSET_0+4:
 692	case R300_TX_OFFSET_0+8:
 693	case R300_TX_OFFSET_0+12:
 694	case R300_TX_OFFSET_0+16:
 695	case R300_TX_OFFSET_0+20:
 696	case R300_TX_OFFSET_0+24:
 697	case R300_TX_OFFSET_0+28:
 698	case R300_TX_OFFSET_0+32:
 699	case R300_TX_OFFSET_0+36:
 700	case R300_TX_OFFSET_0+40:
 701	case R300_TX_OFFSET_0+44:
 702	case R300_TX_OFFSET_0+48:
 703	case R300_TX_OFFSET_0+52:
 704	case R300_TX_OFFSET_0+56:
 705	case R300_TX_OFFSET_0+60:
 706		i = (reg - R300_TX_OFFSET_0) >> 2;
 707		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 708		if (r) {
 709			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 710					idx, reg);
 711			radeon_cs_dump_packet(p, pkt);
 712			return r;
 713		}
 714
 715		if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
 716			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
 717				  ((idx_value & ~31) + (u32)reloc->gpu_offset);
 718		} else {
 719			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 720				tile_flags |= R300_TXO_MACRO_TILE;
 721			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 722				tile_flags |= R300_TXO_MICRO_TILE;
 723			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 724				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 725
 726			tmp = idx_value + ((u32)reloc->gpu_offset);
 727			tmp |= tile_flags;
 728			ib[idx] = tmp;
 729		}
 730		track->textures[i].robj = reloc->robj;
 731		track->tex_dirty = true;
 732		break;
 733	/* Tracked registers */
 734	case 0x2084:
 735		/* VAP_VF_CNTL */
 736		track->vap_vf_cntl = idx_value;
 737		break;
 738	case 0x20B4:
 739		/* VAP_VTX_SIZE */
 740		track->vtx_size = idx_value & 0x7F;
 741		break;
 742	case 0x2134:
 743		/* VAP_VF_MAX_VTX_INDX */
 744		track->max_indx = idx_value & 0x00FFFFFFUL;
 745		break;
 746	case 0x2088:
 747		/* VAP_ALT_NUM_VERTICES - only valid on r500 */
 748		if (p->rdev->family < CHIP_RV515)
 749			goto fail;
 750		track->vap_alt_nverts = idx_value & 0xFFFFFF;
 751		break;
 752	case 0x43E4:
 753		/* SC_SCISSOR1 */
 754		track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
 755		if (p->rdev->family < CHIP_RV515) {
 756			track->maxy -= 1440;
 757		}
 758		track->cb_dirty = true;
 759		track->zb_dirty = true;
 760		break;
 761	case 0x4E00:
 762		/* RB3D_CCTL */
 763		if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
 764		    p->rdev->cmask_filp != p->filp) {
 765			DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
 766			return -EINVAL;
 767		}
 768		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
 769		track->cb_dirty = true;
 770		break;
 771	case 0x4E38:
 772	case 0x4E3C:
 773	case 0x4E40:
 774	case 0x4E44:
 775		/* RB3D_COLORPITCH0 */
 776		/* RB3D_COLORPITCH1 */
 777		/* RB3D_COLORPITCH2 */
 778		/* RB3D_COLORPITCH3 */
 779		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 780			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 781			if (r) {
 782				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 783					  idx, reg);
 784				radeon_cs_dump_packet(p, pkt);
 785				return r;
 786			}
 787
 788			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 789				tile_flags |= R300_COLOR_TILE_ENABLE;
 790			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 791				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
 792			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 793				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 794
 795			tmp = idx_value & ~(0x7 << 16);
 796			tmp |= tile_flags;
 797			ib[idx] = tmp;
 798		}
 799		i = (reg - 0x4E38) >> 2;
 800		track->cb[i].pitch = idx_value & 0x3FFE;
 801		switch (((idx_value >> 21) & 0xF)) {
 802		case 9:
 803		case 11:
 804		case 12:
 805			track->cb[i].cpp = 1;
 806			break;
 807		case 3:
 808		case 4:
 809		case 13:
 810		case 15:
 811			track->cb[i].cpp = 2;
 812			break;
 813		case 5:
 814			if (p->rdev->family < CHIP_RV515) {
 815				DRM_ERROR("Invalid color buffer format (%d)!\n",
 816					  ((idx_value >> 21) & 0xF));
 817				return -EINVAL;
 818			}
 819			fallthrough;
 820		case 6:
 821			track->cb[i].cpp = 4;
 822			break;
 823		case 10:
 824			track->cb[i].cpp = 8;
 825			break;
 826		case 7:
 827			track->cb[i].cpp = 16;
 828			break;
 829		default:
 830			DRM_ERROR("Invalid color buffer format (%d) !\n",
 831				  ((idx_value >> 21) & 0xF));
 832			return -EINVAL;
 833		}
 834		track->cb_dirty = true;
 835		break;
 836	case 0x4F00:
 837		/* ZB_CNTL */
 838		if (idx_value & 2) {
 839			track->z_enabled = true;
 840		} else {
 841			track->z_enabled = false;
 842		}
 843		track->zb_dirty = true;
 844		break;
 845	case 0x4F10:
 846		/* ZB_FORMAT */
 847		switch ((idx_value & 0xF)) {
 848		case 0:
 849		case 1:
 850			track->zb.cpp = 2;
 851			break;
 852		case 2:
 853			track->zb.cpp = 4;
 854			break;
 855		default:
 856			DRM_ERROR("Invalid z buffer format (%d) !\n",
 857				  (idx_value & 0xF));
 858			return -EINVAL;
 859		}
 860		track->zb_dirty = true;
 861		break;
 862	case 0x4F24:
 863		/* ZB_DEPTHPITCH */
 864		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 865			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 866			if (r) {
 867				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 868					  idx, reg);
 869				radeon_cs_dump_packet(p, pkt);
 870				return r;
 871			}
 872
 873			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 874				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 875			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 876				tile_flags |= R300_DEPTHMICROTILE_TILED;
 877			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 878				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 879
 880			tmp = idx_value & ~(0x7 << 16);
 881			tmp |= tile_flags;
 882			ib[idx] = tmp;
 883		}
 884		track->zb.pitch = idx_value & 0x3FFC;
 885		track->zb_dirty = true;
 886		break;
 887	case 0x4104:
 888		/* TX_ENABLE */
 889		for (i = 0; i < 16; i++) {
 890			bool enabled;
 891
 892			enabled = !!(idx_value & (1 << i));
 893			track->textures[i].enabled = enabled;
 894		}
 895		track->tex_dirty = true;
 896		break;
 897	case 0x44C0:
 898	case 0x44C4:
 899	case 0x44C8:
 900	case 0x44CC:
 901	case 0x44D0:
 902	case 0x44D4:
 903	case 0x44D8:
 904	case 0x44DC:
 905	case 0x44E0:
 906	case 0x44E4:
 907	case 0x44E8:
 908	case 0x44EC:
 909	case 0x44F0:
 910	case 0x44F4:
 911	case 0x44F8:
 912	case 0x44FC:
 913		/* TX_FORMAT1_[0-15] */
 914		i = (reg - 0x44C0) >> 2;
 915		tmp = (idx_value >> 25) & 0x3;
 916		track->textures[i].tex_coord_type = tmp;
 917		switch ((idx_value & 0x1F)) {
 918		case R300_TX_FORMAT_X8:
 919		case R300_TX_FORMAT_Y4X4:
 920		case R300_TX_FORMAT_Z3Y3X2:
 921			track->textures[i].cpp = 1;
 922			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 923			break;
 924		case R300_TX_FORMAT_X16:
 925		case R300_TX_FORMAT_FL_I16:
 926		case R300_TX_FORMAT_Y8X8:
 927		case R300_TX_FORMAT_Z5Y6X5:
 928		case R300_TX_FORMAT_Z6Y5X5:
 929		case R300_TX_FORMAT_W4Z4Y4X4:
 930		case R300_TX_FORMAT_W1Z5Y5X5:
 931		case R300_TX_FORMAT_D3DMFT_CxV8U8:
 932		case R300_TX_FORMAT_B8G8_B8G8:
 933		case R300_TX_FORMAT_G8R8_G8B8:
 934			track->textures[i].cpp = 2;
 935			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 936			break;
 937		case R300_TX_FORMAT_Y16X16:
 938		case R300_TX_FORMAT_FL_I16A16:
 939		case R300_TX_FORMAT_Z11Y11X10:
 940		case R300_TX_FORMAT_Z10Y11X11:
 941		case R300_TX_FORMAT_W8Z8Y8X8:
 942		case R300_TX_FORMAT_W2Z10Y10X10:
 943		case 0x17:
 944		case R300_TX_FORMAT_FL_I32:
 945		case 0x1e:
 946			track->textures[i].cpp = 4;
 947			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 948			break;
 949		case R300_TX_FORMAT_W16Z16Y16X16:
 950		case R300_TX_FORMAT_FL_R16G16B16A16:
 951		case R300_TX_FORMAT_FL_I32A32:
 952			track->textures[i].cpp = 8;
 953			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 954			break;
 955		case R300_TX_FORMAT_FL_R32G32B32A32:
 956			track->textures[i].cpp = 16;
 957			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 958			break;
 959		case R300_TX_FORMAT_DXT1:
 960			track->textures[i].cpp = 1;
 961			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 962			break;
 963		case R300_TX_FORMAT_ATI2N:
 964			if (p->rdev->family < CHIP_R420) {
 965				DRM_ERROR("Invalid texture format %u\n",
 966					  (idx_value & 0x1F));
 967				return -EINVAL;
 968			}
 969			/* The same rules apply as for DXT3/5. */
 970			fallthrough;
 971		case R300_TX_FORMAT_DXT3:
 972		case R300_TX_FORMAT_DXT5:
 973			track->textures[i].cpp = 1;
 974			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
 975			break;
 976		default:
 977			DRM_ERROR("Invalid texture format %u\n",
 978				  (idx_value & 0x1F));
 979			return -EINVAL;
 980		}
 981		track->tex_dirty = true;
 982		break;
 983	case 0x4400:
 984	case 0x4404:
 985	case 0x4408:
 986	case 0x440C:
 987	case 0x4410:
 988	case 0x4414:
 989	case 0x4418:
 990	case 0x441C:
 991	case 0x4420:
 992	case 0x4424:
 993	case 0x4428:
 994	case 0x442C:
 995	case 0x4430:
 996	case 0x4434:
 997	case 0x4438:
 998	case 0x443C:
 999		/* TX_FILTER0_[0-15] */
1000		i = (reg - 0x4400) >> 2;
1001		tmp = idx_value & 0x7;
1002		if (tmp == 2 || tmp == 4 || tmp == 6) {
1003			track->textures[i].roundup_w = false;
1004		}
1005		tmp = (idx_value >> 3) & 0x7;
1006		if (tmp == 2 || tmp == 4 || tmp == 6) {
1007			track->textures[i].roundup_h = false;
1008		}
1009		track->tex_dirty = true;
1010		break;
1011	case 0x4500:
1012	case 0x4504:
1013	case 0x4508:
1014	case 0x450C:
1015	case 0x4510:
1016	case 0x4514:
1017	case 0x4518:
1018	case 0x451C:
1019	case 0x4520:
1020	case 0x4524:
1021	case 0x4528:
1022	case 0x452C:
1023	case 0x4530:
1024	case 0x4534:
1025	case 0x4538:
1026	case 0x453C:
1027		/* TX_FORMAT2_[0-15] */
1028		i = (reg - 0x4500) >> 2;
1029		tmp = idx_value & 0x3FFF;
1030		track->textures[i].pitch = tmp + 1;
1031		if (p->rdev->family >= CHIP_RV515) {
1032			tmp = ((idx_value >> 15) & 1) << 11;
1033			track->textures[i].width_11 = tmp;
1034			tmp = ((idx_value >> 16) & 1) << 11;
1035			track->textures[i].height_11 = tmp;
1036
1037			/* ATI1N */
1038			if (idx_value & (1 << 14)) {
1039				/* The same rules apply as for DXT1. */
1040				track->textures[i].compress_format =
1041					R100_TRACK_COMP_DXT1;
1042			}
1043		} else if (idx_value & (1 << 14)) {
1044			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1045			return -EINVAL;
1046		}
1047		track->tex_dirty = true;
1048		break;
1049	case 0x4480:
1050	case 0x4484:
1051	case 0x4488:
1052	case 0x448C:
1053	case 0x4490:
1054	case 0x4494:
1055	case 0x4498:
1056	case 0x449C:
1057	case 0x44A0:
1058	case 0x44A4:
1059	case 0x44A8:
1060	case 0x44AC:
1061	case 0x44B0:
1062	case 0x44B4:
1063	case 0x44B8:
1064	case 0x44BC:
1065		/* TX_FORMAT0_[0-15] */
1066		i = (reg - 0x4480) >> 2;
1067		tmp = idx_value & 0x7FF;
1068		track->textures[i].width = tmp + 1;
1069		tmp = (idx_value >> 11) & 0x7FF;
1070		track->textures[i].height = tmp + 1;
1071		tmp = (idx_value >> 26) & 0xF;
1072		track->textures[i].num_levels = tmp;
1073		tmp = idx_value & (1 << 31);
1074		track->textures[i].use_pitch = !!tmp;
1075		tmp = (idx_value >> 22) & 0xF;
1076		track->textures[i].txdepth = tmp;
1077		track->tex_dirty = true;
1078		break;
1079	case R300_ZB_ZPASS_ADDR:
1080		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1081		if (r) {
1082			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1083					idx, reg);
1084			radeon_cs_dump_packet(p, pkt);
1085			return r;
1086		}
1087		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1088		break;
1089	case 0x4e0c:
1090		/* RB3D_COLOR_CHANNEL_MASK */
1091		track->color_channel_mask = idx_value;
1092		track->cb_dirty = true;
1093		break;
1094	case 0x43a4:
1095		/* SC_HYPERZ_EN */
1096		/* r300c emits this register - we need to disable hyperz for it
1097		 * without complaining */
1098		if (p->rdev->hyperz_filp != p->filp) {
1099			if (idx_value & 0x1)
1100				ib[idx] = idx_value & ~1;
1101		}
1102		break;
1103	case 0x4f1c:
1104		/* ZB_BW_CNTL */
1105		track->zb_cb_clear = !!(idx_value & (1 << 5));
1106		track->cb_dirty = true;
1107		track->zb_dirty = true;
1108		if (p->rdev->hyperz_filp != p->filp) {
1109			if (idx_value & (R300_HIZ_ENABLE |
1110					 R300_RD_COMP_ENABLE |
1111					 R300_WR_COMP_ENABLE |
1112					 R300_FAST_FILL_ENABLE))
1113				goto fail;
1114		}
1115		break;
1116	case 0x4e04:
1117		/* RB3D_BLENDCNTL */
1118		track->blend_read_enable = !!(idx_value & (1 << 2));
1119		track->cb_dirty = true;
1120		break;
1121	case R300_RB3D_AARESOLVE_OFFSET:
1122		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1123		if (r) {
1124			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1125				  idx, reg);
1126			radeon_cs_dump_packet(p, pkt);
1127			return r;
1128		}
1129		track->aa.robj = reloc->robj;
1130		track->aa.offset = idx_value;
1131		track->aa_dirty = true;
1132		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1133		break;
1134	case R300_RB3D_AARESOLVE_PITCH:
1135		track->aa.pitch = idx_value & 0x3FFE;
1136		track->aa_dirty = true;
1137		break;
1138	case R300_RB3D_AARESOLVE_CTL:
1139		track->aaresolve = idx_value & 0x1;
1140		track->aa_dirty = true;
1141		break;
1142	case 0x4f30: /* ZB_MASK_OFFSET */
1143	case 0x4f34: /* ZB_ZMASK_PITCH */
1144	case 0x4f44: /* ZB_HIZ_OFFSET */
1145	case 0x4f54: /* ZB_HIZ_PITCH */
1146		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1147			goto fail;
1148		break;
1149	case 0x4028:
1150		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1151			goto fail;
1152		/* GB_Z_PEQ_CONFIG */
1153		if (p->rdev->family >= CHIP_RV350)
1154			break;
1155		goto fail;
1156		break;
1157	case 0x4be8:
1158		/* valid register only on RV530 */
1159		if (p->rdev->family == CHIP_RV530)
1160			break;
1161		fallthrough;
1162		/* fallthrough do not move */
1163	default:
1164		goto fail;
1165	}
1166	return 0;
1167fail:
1168	pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1169	       reg, idx, idx_value);
1170	return -EINVAL;
1171}
1172
1173static int r300_packet3_check(struct radeon_cs_parser *p,
1174			      struct radeon_cs_packet *pkt)
1175{
1176	struct radeon_bo_list *reloc;
1177	struct r100_cs_track *track;
1178	volatile uint32_t *ib;
1179	unsigned idx;
1180	int r;
1181
1182	ib = p->ib.ptr;
1183	idx = pkt->idx + 1;
1184	track = (struct r100_cs_track *)p->track;
1185	switch (pkt->opcode) {
1186	case PACKET3_3D_LOAD_VBPNTR:
1187		r = r100_packet3_load_vbpntr(p, pkt, idx);
1188		if (r)
1189			return r;
1190		break;
1191	case PACKET3_INDX_BUFFER:
1192		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1193		if (r) {
1194			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1195			radeon_cs_dump_packet(p, pkt);
1196			return r;
1197		}
1198		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1199		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1200		if (r) {
1201			return r;
1202		}
1203		break;
1204	/* Draw packet */
1205	case PACKET3_3D_DRAW_IMMD:
1206		/* Number of dwords is vtx_size * (num_vertices - 1)
1207		 * PRIM_WALK must be equal to 3 vertex data in embedded
1208		 * in cmd stream */
1209		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1210			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1211			return -EINVAL;
1212		}
1213		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1214		track->immd_dwords = pkt->count - 1;
1215		r = r100_cs_track_check(p->rdev, track);
1216		if (r) {
1217			return r;
1218		}
1219		break;
1220	case PACKET3_3D_DRAW_IMMD_2:
1221		/* Number of dwords is vtx_size * (num_vertices - 1)
1222		 * PRIM_WALK must be equal to 3 vertex data in embedded
1223		 * in cmd stream */
1224		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1225			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1226			return -EINVAL;
1227		}
1228		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1229		track->immd_dwords = pkt->count;
1230		r = r100_cs_track_check(p->rdev, track);
1231		if (r) {
1232			return r;
1233		}
1234		break;
1235	case PACKET3_3D_DRAW_VBUF:
1236		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1237		r = r100_cs_track_check(p->rdev, track);
1238		if (r) {
1239			return r;
1240		}
1241		break;
1242	case PACKET3_3D_DRAW_VBUF_2:
1243		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1244		r = r100_cs_track_check(p->rdev, track);
1245		if (r) {
1246			return r;
1247		}
1248		break;
1249	case PACKET3_3D_DRAW_INDX:
1250		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1251		r = r100_cs_track_check(p->rdev, track);
1252		if (r) {
1253			return r;
1254		}
1255		break;
1256	case PACKET3_3D_DRAW_INDX_2:
1257		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1258		r = r100_cs_track_check(p->rdev, track);
1259		if (r) {
1260			return r;
1261		}
1262		break;
1263	case PACKET3_3D_CLEAR_HIZ:
1264	case PACKET3_3D_CLEAR_ZMASK:
1265		if (p->rdev->hyperz_filp != p->filp)
1266			return -EINVAL;
1267		break;
1268	case PACKET3_3D_CLEAR_CMASK:
1269		if (p->rdev->cmask_filp != p->filp)
1270			return -EINVAL;
1271		break;
1272	case PACKET3_NOP:
1273		break;
1274	default:
1275		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1276		return -EINVAL;
1277	}
1278	return 0;
1279}
1280
1281int r300_cs_parse(struct radeon_cs_parser *p)
1282{
1283	struct radeon_cs_packet pkt;
1284	struct r100_cs_track *track;
1285	int r;
1286
1287	track = kzalloc(sizeof(*track), GFP_KERNEL);
1288	if (track == NULL)
1289		return -ENOMEM;
1290	r100_cs_track_clear(p->rdev, track);
1291	p->track = track;
1292	do {
1293		r = radeon_cs_packet_parse(p, &pkt, p->idx);
1294		if (r) {
1295			return r;
1296		}
1297		p->idx += pkt.count + 2;
1298		switch (pkt.type) {
1299		case RADEON_PACKET_TYPE0:
1300			r = r100_cs_parse_packet0(p, &pkt,
1301						  p->rdev->config.r300.reg_safe_bm,
1302						  p->rdev->config.r300.reg_safe_bm_size,
1303						  &r300_packet0_check);
1304			break;
1305		case RADEON_PACKET_TYPE2:
1306			break;
1307		case RADEON_PACKET_TYPE3:
1308			r = r300_packet3_check(p, &pkt);
1309			break;
1310		default:
1311			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1312			return -EINVAL;
1313		}
1314		if (r) {
1315			return r;
1316		}
1317	} while (p->idx < p->chunk_ib->length_dw);
1318	return 0;
1319}
1320
1321void r300_set_reg_safe(struct radeon_device *rdev)
1322{
1323	rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1324	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1325}
1326
1327void r300_mc_program(struct radeon_device *rdev)
1328{
1329	struct r100_mc_save save;
1330
1331	r100_debugfs_mc_info_init(rdev);
1332
1333	/* Stops all mc clients */
1334	r100_mc_stop(rdev, &save);
1335	if (rdev->flags & RADEON_IS_AGP) {
1336		WREG32(R_00014C_MC_AGP_LOCATION,
1337			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1338			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1339		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1340		WREG32(R_00015C_AGP_BASE_2,
1341			upper_32_bits(rdev->mc.agp_base) & 0xff);
1342	} else {
1343		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1344		WREG32(R_000170_AGP_BASE, 0);
1345		WREG32(R_00015C_AGP_BASE_2, 0);
1346	}
1347	/* Wait for mc idle */
1348	if (r300_mc_wait_for_idle(rdev))
1349		DRM_INFO("Failed to wait MC idle before programming MC.\n");
1350	/* Program MC, should be a 32bits limited address space */
1351	WREG32(R_000148_MC_FB_LOCATION,
1352		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1353		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1354	r100_mc_resume(rdev, &save);
1355}
1356
1357void r300_clock_startup(struct radeon_device *rdev)
1358{
1359	u32 tmp;
1360
1361	if (radeon_dynclks != -1 && radeon_dynclks)
1362		radeon_legacy_set_clock_gating(rdev, 1);
1363	/* We need to force on some of the block */
1364	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1365	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1366	if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1367		tmp |= S_00000D_FORCE_VAP(1);
1368	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1369}
1370
1371static int r300_startup(struct radeon_device *rdev)
1372{
1373	int r;
1374
1375	/* set common regs */
1376	r100_set_common_regs(rdev);
1377	/* program mc */
1378	r300_mc_program(rdev);
1379	/* Resume clock */
1380	r300_clock_startup(rdev);
1381	/* Initialize GPU configuration (# pipes, ...) */
1382	r300_gpu_init(rdev);
1383	/* Initialize GART (initialize after TTM so we can allocate
1384	 * memory through TTM but finalize after TTM) */
1385	if (rdev->flags & RADEON_IS_PCIE) {
1386		r = rv370_pcie_gart_enable(rdev);
1387		if (r)
1388			return r;
1389	}
1390
1391	if (rdev->family == CHIP_R300 ||
1392	    rdev->family == CHIP_R350 ||
1393	    rdev->family == CHIP_RV350)
1394		r100_enable_bm(rdev);
1395
1396	if (rdev->flags & RADEON_IS_PCI) {
1397		r = r100_pci_gart_enable(rdev);
1398		if (r)
1399			return r;
1400	}
1401
1402	/* allocate wb buffer */
1403	r = radeon_wb_init(rdev);
1404	if (r)
1405		return r;
1406
1407	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1408	if (r) {
1409		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1410		return r;
1411	}
1412
1413	/* Enable IRQ */
1414	if (!rdev->irq.installed) {
1415		r = radeon_irq_kms_init(rdev);
1416		if (r)
1417			return r;
1418	}
1419
1420	r100_irq_set(rdev);
1421	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1422	/* 1M ring buffer */
1423	r = r100_cp_init(rdev, 1024 * 1024);
1424	if (r) {
1425		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1426		return r;
1427	}
1428
1429	r = radeon_ib_pool_init(rdev);
1430	if (r) {
1431		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1432		return r;
1433	}
1434
1435	return 0;
1436}
1437
1438int r300_resume(struct radeon_device *rdev)
1439{
1440	int r;
1441
1442	/* Make sur GART are not working */
1443	if (rdev->flags & RADEON_IS_PCIE)
1444		rv370_pcie_gart_disable(rdev);
1445	if (rdev->flags & RADEON_IS_PCI)
1446		r100_pci_gart_disable(rdev);
1447	/* Resume clock before doing reset */
1448	r300_clock_startup(rdev);
1449	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1450	if (radeon_asic_reset(rdev)) {
1451		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1452			RREG32(R_000E40_RBBM_STATUS),
1453			RREG32(R_0007C0_CP_STAT));
1454	}
1455	/* post */
1456	radeon_combios_asic_init(rdev_to_drm(rdev));
1457	/* Resume clock after posting */
1458	r300_clock_startup(rdev);
1459	/* Initialize surface registers */
1460	radeon_surface_init(rdev);
1461
1462	rdev->accel_working = true;
1463	r = r300_startup(rdev);
1464	if (r) {
1465		rdev->accel_working = false;
1466	}
1467	return r;
1468}
1469
1470int r300_suspend(struct radeon_device *rdev)
1471{
1472	radeon_pm_suspend(rdev);
1473	r100_cp_disable(rdev);
1474	radeon_wb_disable(rdev);
1475	r100_irq_disable(rdev);
1476	if (rdev->flags & RADEON_IS_PCIE)
1477		rv370_pcie_gart_disable(rdev);
1478	if (rdev->flags & RADEON_IS_PCI)
1479		r100_pci_gart_disable(rdev);
1480	return 0;
1481}
1482
1483void r300_fini(struct radeon_device *rdev)
1484{
1485	radeon_pm_fini(rdev);
1486	r100_cp_fini(rdev);
1487	radeon_wb_fini(rdev);
1488	radeon_ib_pool_fini(rdev);
1489	radeon_gem_fini(rdev);
1490	if (rdev->flags & RADEON_IS_PCIE)
1491		rv370_pcie_gart_fini(rdev);
1492	if (rdev->flags & RADEON_IS_PCI)
1493		r100_pci_gart_fini(rdev);
1494	radeon_agp_fini(rdev);
1495	radeon_irq_kms_fini(rdev);
1496	radeon_fence_driver_fini(rdev);
1497	radeon_bo_fini(rdev);
1498	radeon_atombios_fini(rdev);
1499	kfree(rdev->bios);
1500	rdev->bios = NULL;
1501}
1502
1503int r300_init(struct radeon_device *rdev)
1504{
1505	int r;
1506
1507	/* Disable VGA */
1508	r100_vga_render_disable(rdev);
1509	/* Initialize scratch registers */
1510	radeon_scratch_init(rdev);
1511	/* Initialize surface registers */
1512	radeon_surface_init(rdev);
1513	/* TODO: disable VGA need to use VGA request */
1514	/* restore some register to sane defaults */
1515	r100_restore_sanity(rdev);
1516	/* BIOS*/
1517	if (!radeon_get_bios(rdev)) {
1518		if (ASIC_IS_AVIVO(rdev))
1519			return -EINVAL;
1520	}
1521	if (rdev->is_atom_bios) {
1522		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1523		return -EINVAL;
1524	} else {
1525		r = radeon_combios_init(rdev);
1526		if (r)
1527			return r;
1528	}
1529	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1530	if (radeon_asic_reset(rdev)) {
1531		dev_warn(rdev->dev,
1532			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1533			RREG32(R_000E40_RBBM_STATUS),
1534			RREG32(R_0007C0_CP_STAT));
1535	}
1536	/* check if cards are posted or not */
1537	if (radeon_boot_test_post_card(rdev) == false)
1538		return -EINVAL;
1539	/* Set asic errata */
1540	r300_errata(rdev);
1541	/* Initialize clocks */
1542	radeon_get_clock_info(rdev_to_drm(rdev));
1543	/* initialize AGP */
1544	if (rdev->flags & RADEON_IS_AGP) {
1545		r = radeon_agp_init(rdev);
1546		if (r) {
1547			radeon_agp_disable(rdev);
1548		}
1549	}
1550	/* initialize memory controller */
1551	r300_mc_init(rdev);
1552	/* Fence driver */
1553	radeon_fence_driver_init(rdev);
1554	/* Memory manager */
1555	r = radeon_bo_init(rdev);
1556	if (r)
1557		return r;
1558	if (rdev->flags & RADEON_IS_PCIE) {
1559		r = rv370_pcie_gart_init(rdev);
1560		if (r)
1561			return r;
1562	}
1563	if (rdev->flags & RADEON_IS_PCI) {
1564		r = r100_pci_gart_init(rdev);
1565		if (r)
1566			return r;
1567	}
1568	r300_set_reg_safe(rdev);
1569
1570	/* Initialize power management */
1571	radeon_pm_init(rdev);
1572
1573	rdev->accel_working = true;
1574	r = r300_startup(rdev);
1575	if (r) {
1576		/* Something went wrong with the accel init, so stop accel */
1577		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1578		r100_cp_fini(rdev);
1579		radeon_wb_fini(rdev);
1580		radeon_ib_pool_fini(rdev);
1581		radeon_irq_kms_fini(rdev);
1582		if (rdev->flags & RADEON_IS_PCIE)
1583			rv370_pcie_gart_fini(rdev);
1584		if (rdev->flags & RADEON_IS_PCI)
1585			r100_pci_gart_fini(rdev);
1586		radeon_agp_fini(rdev);
1587		rdev->accel_working = false;
1588	}
1589	return 0;
1590}