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v4.6
   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
 
 
  28#include <linux/seq_file.h>
  29#include <linux/slab.h>
  30#include <drm/drmP.h>
  31#include <drm/drm.h>
  32#include <drm/drm_crtc_helper.h>
  33#include "radeon_reg.h"
  34#include "radeon.h"
  35#include "radeon_asic.h"
  36#include <drm/radeon_drm.h>
 
  37#include "r100_track.h"
 
  38#include "r300d.h"
 
 
 
  39#include "rv350d.h"
  40#include "r300_reg_safe.h"
  41
  42/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
  43 *
  44 * GPU Errata:
  45 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
  46 *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
  47 *   However, scheduling such write to the ring seems harmless, i suspect
  48 *   the CP read collide with the flush somehow, or maybe the MC, hard to
  49 *   tell. (Jerome Glisse)
  50 */
  51
  52/*
  53 * Indirect registers accessor
  54 */
  55uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
  56{
  57	unsigned long flags;
  58	uint32_t r;
  59
  60	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  61	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  62	r = RREG32(RADEON_PCIE_DATA);
  63	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  64	return r;
  65}
  66
  67void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
  68{
  69	unsigned long flags;
  70
  71	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  72	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  73	WREG32(RADEON_PCIE_DATA, (v));
  74	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  75}
  76
  77/*
  78 * rv370,rv380 PCIE GART
  79 */
  80static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
  81
  82void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
  83{
  84	uint32_t tmp;
  85	int i;
  86
  87	/* Workaround HW bug do flush 2 times */
  88	for (i = 0; i < 2; i++) {
  89		tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  90		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
  91		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  92		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
  93	}
  94	mb();
  95}
  96
  97#define R300_PTE_UNSNOOPED (1 << 0)
  98#define R300_PTE_WRITEABLE (1 << 2)
  99#define R300_PTE_READABLE  (1 << 3)
 100
 101uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
 102{
 103	addr = (lower_32_bits(addr) >> 8) |
 104		((upper_32_bits(addr) & 0xff) << 24);
 105	if (flags & RADEON_GART_PAGE_READ)
 106		addr |= R300_PTE_READABLE;
 107	if (flags & RADEON_GART_PAGE_WRITE)
 108		addr |= R300_PTE_WRITEABLE;
 109	if (!(flags & RADEON_GART_PAGE_SNOOP))
 110		addr |= R300_PTE_UNSNOOPED;
 111	return addr;
 112}
 113
 114void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
 115			      uint64_t entry)
 116{
 117	void __iomem *ptr = rdev->gart.ptr;
 118
 119	/* on x86 we want this to be CPU endian, on powerpc
 120	 * on powerpc without HW swappers, it'll get swapped on way
 121	 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
 122	writel(entry, ((void __iomem *)ptr) + (i * 4));
 123}
 124
 125int rv370_pcie_gart_init(struct radeon_device *rdev)
 126{
 127	int r;
 128
 129	if (rdev->gart.robj) {
 130		WARN(1, "RV370 PCIE GART already initialized\n");
 131		return 0;
 132	}
 133	/* Initialize common gart structure */
 134	r = radeon_gart_init(rdev);
 135	if (r)
 136		return r;
 137	r = rv370_debugfs_pcie_gart_info_init(rdev);
 138	if (r)
 139		DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
 140	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 141	rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
 142	rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
 143	rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
 144	return radeon_gart_table_vram_alloc(rdev);
 145}
 146
 147int rv370_pcie_gart_enable(struct radeon_device *rdev)
 148{
 149	uint32_t table_addr;
 150	uint32_t tmp;
 151	int r;
 152
 153	if (rdev->gart.robj == NULL) {
 154		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 155		return -EINVAL;
 156	}
 157	r = radeon_gart_table_vram_pin(rdev);
 158	if (r)
 159		return r;
 160	/* discard memory request outside of configured range */
 161	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 162	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 163	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
 164	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
 165	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 166	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 167	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 168	table_addr = rdev->gart.table_addr;
 169	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 170	/* FIXME: setup default page */
 171	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
 172	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 173	/* Clear error */
 174	WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
 175	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 176	tmp |= RADEON_PCIE_TX_GART_EN;
 177	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 178	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 179	rv370_pcie_gart_tlb_flush(rdev);
 180	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 181		 (unsigned)(rdev->mc.gtt_size >> 20),
 182		 (unsigned long long)table_addr);
 183	rdev->gart.ready = true;
 184	return 0;
 185}
 186
 187void rv370_pcie_gart_disable(struct radeon_device *rdev)
 188{
 189	u32 tmp;
 190
 191	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
 192	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
 193	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 194	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 195	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 196	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 197	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
 198	radeon_gart_table_vram_unpin(rdev);
 199}
 200
 201void rv370_pcie_gart_fini(struct radeon_device *rdev)
 202{
 203	radeon_gart_fini(rdev);
 204	rv370_pcie_gart_disable(rdev);
 205	radeon_gart_table_vram_free(rdev);
 206}
 207
 208void r300_fence_ring_emit(struct radeon_device *rdev,
 209			  struct radeon_fence *fence)
 210{
 211	struct radeon_ring *ring = &rdev->ring[fence->ring];
 212
 213	/* Who ever call radeon_fence_emit should call ring_lock and ask
 214	 * for enough space (today caller are ib schedule and buffer move) */
 215	/* Write SC register so SC & US assert idle */
 216	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
 217	radeon_ring_write(ring, 0);
 218	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
 219	radeon_ring_write(ring, 0);
 220	/* Flush 3D cache */
 221	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 222	radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
 223	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 224	radeon_ring_write(ring, R300_ZC_FLUSH);
 225	/* Wait until IDLE & CLEAN */
 226	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 227	radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
 228				 RADEON_WAIT_2D_IDLECLEAN |
 229				 RADEON_WAIT_DMA_GUI_IDLE));
 230	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 231	radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
 232				RADEON_HDP_READ_BUFFER_INVALIDATE);
 233	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 234	radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
 235	/* Emit fence sequence & fire IRQ */
 236	radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 237	radeon_ring_write(ring, fence->seq);
 238	radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 239	radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 240}
 241
 242void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 243{
 244	unsigned gb_tile_config;
 245	int r;
 246
 247	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
 248	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 249	switch(rdev->num_gb_pipes) {
 250	case 2:
 251		gb_tile_config |= R300_PIPE_COUNT_R300;
 252		break;
 253	case 3:
 254		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 255		break;
 256	case 4:
 257		gb_tile_config |= R300_PIPE_COUNT_R420;
 258		break;
 259	case 1:
 260	default:
 261		gb_tile_config |= R300_PIPE_COUNT_RV350;
 262		break;
 263	}
 264
 265	r = radeon_ring_lock(rdev, ring, 64);
 266	if (r) {
 267		return;
 268	}
 269	radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 270	radeon_ring_write(ring,
 271			  RADEON_ISYNC_ANY2D_IDLE3D |
 272			  RADEON_ISYNC_ANY3D_IDLE2D |
 273			  RADEON_ISYNC_WAIT_IDLEGUI |
 274			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 275	radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
 276	radeon_ring_write(ring, gb_tile_config);
 277	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 278	radeon_ring_write(ring,
 279			  RADEON_WAIT_2D_IDLECLEAN |
 280			  RADEON_WAIT_3D_IDLECLEAN);
 281	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
 282	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
 283	radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
 284	radeon_ring_write(ring, 0);
 285	radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
 286	radeon_ring_write(ring, 0);
 287	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 288	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 289	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 290	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 291	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 292	radeon_ring_write(ring,
 293			  RADEON_WAIT_2D_IDLECLEAN |
 294			  RADEON_WAIT_3D_IDLECLEAN);
 295	radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
 296	radeon_ring_write(ring, 0);
 297	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 298	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 299	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 300	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 301	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
 302	radeon_ring_write(ring,
 303			  ((6 << R300_MS_X0_SHIFT) |
 304			   (6 << R300_MS_Y0_SHIFT) |
 305			   (6 << R300_MS_X1_SHIFT) |
 306			   (6 << R300_MS_Y1_SHIFT) |
 307			   (6 << R300_MS_X2_SHIFT) |
 308			   (6 << R300_MS_Y2_SHIFT) |
 309			   (6 << R300_MSBD0_Y_SHIFT) |
 310			   (6 << R300_MSBD0_X_SHIFT)));
 311	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
 312	radeon_ring_write(ring,
 313			  ((6 << R300_MS_X3_SHIFT) |
 314			   (6 << R300_MS_Y3_SHIFT) |
 315			   (6 << R300_MS_X4_SHIFT) |
 316			   (6 << R300_MS_Y4_SHIFT) |
 317			   (6 << R300_MS_X5_SHIFT) |
 318			   (6 << R300_MS_Y5_SHIFT) |
 319			   (6 << R300_MSBD1_SHIFT)));
 320	radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
 321	radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
 322	radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
 323	radeon_ring_write(ring,
 324			  R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
 325	radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
 326	radeon_ring_write(ring,
 327			  R300_GEOMETRY_ROUND_NEAREST |
 328			  R300_COLOR_ROUND_NEAREST);
 329	radeon_ring_unlock_commit(rdev, ring, false);
 330}
 331
 332static void r300_errata(struct radeon_device *rdev)
 333{
 334	rdev->pll_errata = 0;
 335
 336	if (rdev->family == CHIP_R300 &&
 337	    (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
 338		rdev->pll_errata |= CHIP_ERRATA_R300_CG;
 339	}
 340}
 341
 342int r300_mc_wait_for_idle(struct radeon_device *rdev)
 343{
 344	unsigned i;
 345	uint32_t tmp;
 346
 347	for (i = 0; i < rdev->usec_timeout; i++) {
 348		/* read MC_STATUS */
 349		tmp = RREG32(RADEON_MC_STATUS);
 350		if (tmp & R300_MC_IDLE) {
 351			return 0;
 352		}
 353		DRM_UDELAY(1);
 354	}
 355	return -1;
 356}
 357
 358static void r300_gpu_init(struct radeon_device *rdev)
 359{
 360	uint32_t gb_tile_config, tmp;
 361
 362	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
 363	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
 364		/* r300,r350 */
 365		rdev->num_gb_pipes = 2;
 366	} else {
 367		/* rv350,rv370,rv380,r300 AD, r350 AH */
 368		rdev->num_gb_pipes = 1;
 369	}
 370	rdev->num_z_pipes = 1;
 371	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 372	switch (rdev->num_gb_pipes) {
 373	case 2:
 374		gb_tile_config |= R300_PIPE_COUNT_R300;
 375		break;
 376	case 3:
 377		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 378		break;
 379	case 4:
 380		gb_tile_config |= R300_PIPE_COUNT_R420;
 381		break;
 382	default:
 383	case 1:
 384		gb_tile_config |= R300_PIPE_COUNT_RV350;
 385		break;
 386	}
 387	WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
 388
 389	if (r100_gui_wait_for_idle(rdev)) {
 390		printk(KERN_WARNING "Failed to wait GUI idle while "
 391		       "programming pipes. Bad things might happen.\n");
 392	}
 393
 394	tmp = RREG32(R300_DST_PIPE_CONFIG);
 395	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 396
 397	WREG32(R300_RB2D_DSTCACHE_MODE,
 398	       R300_DC_AUTOFLUSH_ENABLE |
 399	       R300_DC_DC_DISABLE_IGNORE_PE);
 400
 401	if (r100_gui_wait_for_idle(rdev)) {
 402		printk(KERN_WARNING "Failed to wait GUI idle while "
 403		       "programming pipes. Bad things might happen.\n");
 404	}
 405	if (r300_mc_wait_for_idle(rdev)) {
 406		printk(KERN_WARNING "Failed to wait MC idle while "
 407		       "programming pipes. Bad things might happen.\n");
 408	}
 409	DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
 410		 rdev->num_gb_pipes, rdev->num_z_pipes);
 411}
 412
 413int r300_asic_reset(struct radeon_device *rdev)
 414{
 415	struct r100_mc_save save;
 416	u32 status, tmp;
 417	int ret = 0;
 418
 419	status = RREG32(R_000E40_RBBM_STATUS);
 420	if (!G_000E40_GUI_ACTIVE(status)) {
 421		return 0;
 422	}
 423	r100_mc_stop(rdev, &save);
 424	status = RREG32(R_000E40_RBBM_STATUS);
 425	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 426	/* stop CP */
 427	WREG32(RADEON_CP_CSQ_CNTL, 0);
 428	tmp = RREG32(RADEON_CP_RB_CNTL);
 429	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 430	WREG32(RADEON_CP_RB_RPTR_WR, 0);
 431	WREG32(RADEON_CP_RB_WPTR, 0);
 432	WREG32(RADEON_CP_RB_CNTL, tmp);
 433	/* save PCI state */
 434	pci_save_state(rdev->pdev);
 435	/* disable bus mastering */
 436	r100_bm_disable(rdev);
 437	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 438					S_0000F0_SOFT_RESET_GA(1));
 439	RREG32(R_0000F0_RBBM_SOFT_RESET);
 440	mdelay(500);
 441	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 442	mdelay(1);
 443	status = RREG32(R_000E40_RBBM_STATUS);
 444	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 445	/* resetting the CP seems to be problematic sometimes it end up
 446	 * hard locking the computer, but it's necessary for successful
 447	 * reset more test & playing is needed on R3XX/R4XX to find a
 448	 * reliable (if any solution)
 449	 */
 450	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 451	RREG32(R_0000F0_RBBM_SOFT_RESET);
 452	mdelay(500);
 453	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 454	mdelay(1);
 455	status = RREG32(R_000E40_RBBM_STATUS);
 456	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 457	/* restore PCI & busmastering */
 458	pci_restore_state(rdev->pdev);
 459	r100_enable_bm(rdev);
 460	/* Check if GPU is idle */
 461	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 462		dev_err(rdev->dev, "failed to reset GPU\n");
 463		ret = -1;
 464	} else
 465		dev_info(rdev->dev, "GPU reset succeed\n");
 466	r100_mc_resume(rdev, &save);
 467	return ret;
 468}
 469
 470/*
 471 * r300,r350,rv350,rv380 VRAM info
 472 */
 473void r300_mc_init(struct radeon_device *rdev)
 474{
 475	u64 base;
 476	u32 tmp;
 477
 478	/* DDR for all card after R300 & IGP */
 479	rdev->mc.vram_is_ddr = true;
 480	tmp = RREG32(RADEON_MEM_CNTL);
 481	tmp &= R300_MEM_NUM_CHANNELS_MASK;
 482	switch (tmp) {
 483	case 0: rdev->mc.vram_width = 64; break;
 484	case 1: rdev->mc.vram_width = 128; break;
 485	case 2: rdev->mc.vram_width = 256; break;
 486	default:  rdev->mc.vram_width = 128; break;
 487	}
 488	r100_vram_init_sizes(rdev);
 489	base = rdev->mc.aper_base;
 490	if (rdev->flags & RADEON_IS_IGP)
 491		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
 492	radeon_vram_location(rdev, &rdev->mc, base);
 493	rdev->mc.gtt_base_align = 0;
 494	if (!(rdev->flags & RADEON_IS_AGP))
 495		radeon_gtt_location(rdev, &rdev->mc);
 496	radeon_update_bandwidth_info(rdev);
 497}
 498
 499void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
 500{
 501	uint32_t link_width_cntl, mask;
 502
 503	if (rdev->flags & RADEON_IS_IGP)
 504		return;
 505
 506	if (!(rdev->flags & RADEON_IS_PCIE))
 507		return;
 508
 509	/* FIXME wait for idle */
 510
 511	switch (lanes) {
 512	case 0:
 513		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
 514		break;
 515	case 1:
 516		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
 517		break;
 518	case 2:
 519		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
 520		break;
 521	case 4:
 522		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
 523		break;
 524	case 8:
 525		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
 526		break;
 527	case 12:
 528		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
 529		break;
 530	case 16:
 531	default:
 532		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
 533		break;
 534	}
 535
 536	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 537
 538	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
 539	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
 540		return;
 541
 542	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
 543			     RADEON_PCIE_LC_RECONFIG_NOW |
 544			     RADEON_PCIE_LC_RECONFIG_LATER |
 545			     RADEON_PCIE_LC_SHORT_RECONFIG_EN);
 546	link_width_cntl |= mask;
 547	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
 548	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
 549						     RADEON_PCIE_LC_RECONFIG_NOW));
 550
 551	/* wait for lane set to complete */
 552	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 553	while (link_width_cntl == 0xffffffff)
 554		link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 555
 556}
 557
 558int rv370_get_pcie_lanes(struct radeon_device *rdev)
 559{
 560	u32 link_width_cntl;
 561
 562	if (rdev->flags & RADEON_IS_IGP)
 563		return 0;
 564
 565	if (!(rdev->flags & RADEON_IS_PCIE))
 566		return 0;
 567
 568	/* FIXME wait for idle */
 569
 570	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 571
 572	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
 573	case RADEON_PCIE_LC_LINK_WIDTH_X0:
 574		return 0;
 575	case RADEON_PCIE_LC_LINK_WIDTH_X1:
 576		return 1;
 577	case RADEON_PCIE_LC_LINK_WIDTH_X2:
 578		return 2;
 579	case RADEON_PCIE_LC_LINK_WIDTH_X4:
 580		return 4;
 581	case RADEON_PCIE_LC_LINK_WIDTH_X8:
 582		return 8;
 583	case RADEON_PCIE_LC_LINK_WIDTH_X16:
 584	default:
 585		return 16;
 586	}
 587}
 588
 589#if defined(CONFIG_DEBUG_FS)
 590static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
 591{
 592	struct drm_info_node *node = (struct drm_info_node *) m->private;
 593	struct drm_device *dev = node->minor->dev;
 594	struct radeon_device *rdev = dev->dev_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
 614static struct drm_info_list rv370_pcie_gart_info_list[] = {
 615	{"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
 616};
 617#endif
 618
 619static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 620{
 621#if defined(CONFIG_DEBUG_FS)
 622	return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
 623#else
 624	return 0;
 625#endif
 626}
 627
 628static int r300_packet0_check(struct radeon_cs_parser *p,
 629		struct radeon_cs_packet *pkt,
 630		unsigned idx, unsigned reg)
 631{
 632	struct radeon_bo_list *reloc;
 633	struct r100_cs_track *track;
 634	volatile uint32_t *ib;
 635	uint32_t tmp, tile_flags = 0;
 636	unsigned i;
 637	int r;
 638	u32 idx_value;
 639
 640	ib = p->ib.ptr;
 641	track = (struct r100_cs_track *)p->track;
 642	idx_value = radeon_get_ib_value(p, idx);
 643
 644	switch(reg) {
 645	case AVIVO_D1MODE_VLINE_START_END:
 646	case RADEON_CRTC_GUI_TRIG_VLINE:
 647		r = r100_cs_packet_parse_vline(p);
 648		if (r) {
 649			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 650					idx, reg);
 651			radeon_cs_dump_packet(p, pkt);
 652			return r;
 653		}
 654		break;
 655	case RADEON_DST_PITCH_OFFSET:
 656	case RADEON_SRC_PITCH_OFFSET:
 657		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 658		if (r)
 659			return r;
 660		break;
 661	case R300_RB3D_COLOROFFSET0:
 662	case R300_RB3D_COLOROFFSET1:
 663	case R300_RB3D_COLOROFFSET2:
 664	case R300_RB3D_COLOROFFSET3:
 665		i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
 666		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 667		if (r) {
 668			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 669					idx, reg);
 670			radeon_cs_dump_packet(p, pkt);
 671			return r;
 672		}
 673		track->cb[i].robj = reloc->robj;
 674		track->cb[i].offset = idx_value;
 675		track->cb_dirty = true;
 676		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 677		break;
 678	case R300_ZB_DEPTHOFFSET:
 679		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 680		if (r) {
 681			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 682					idx, reg);
 683			radeon_cs_dump_packet(p, pkt);
 684			return r;
 685		}
 686		track->zb.robj = reloc->robj;
 687		track->zb.offset = idx_value;
 688		track->zb_dirty = true;
 689		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 690		break;
 691	case R300_TX_OFFSET_0:
 692	case R300_TX_OFFSET_0+4:
 693	case R300_TX_OFFSET_0+8:
 694	case R300_TX_OFFSET_0+12:
 695	case R300_TX_OFFSET_0+16:
 696	case R300_TX_OFFSET_0+20:
 697	case R300_TX_OFFSET_0+24:
 698	case R300_TX_OFFSET_0+28:
 699	case R300_TX_OFFSET_0+32:
 700	case R300_TX_OFFSET_0+36:
 701	case R300_TX_OFFSET_0+40:
 702	case R300_TX_OFFSET_0+44:
 703	case R300_TX_OFFSET_0+48:
 704	case R300_TX_OFFSET_0+52:
 705	case R300_TX_OFFSET_0+56:
 706	case R300_TX_OFFSET_0+60:
 707		i = (reg - R300_TX_OFFSET_0) >> 2;
 708		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 709		if (r) {
 710			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 711					idx, reg);
 712			radeon_cs_dump_packet(p, pkt);
 713			return r;
 714		}
 715
 716		if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
 717			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
 718				  ((idx_value & ~31) + (u32)reloc->gpu_offset);
 719		} else {
 720			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 721				tile_flags |= R300_TXO_MACRO_TILE;
 722			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 723				tile_flags |= R300_TXO_MICRO_TILE;
 724			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 725				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 726
 727			tmp = idx_value + ((u32)reloc->gpu_offset);
 728			tmp |= tile_flags;
 729			ib[idx] = tmp;
 730		}
 731		track->textures[i].robj = reloc->robj;
 732		track->tex_dirty = true;
 733		break;
 734	/* Tracked registers */
 735	case 0x2084:
 736		/* VAP_VF_CNTL */
 737		track->vap_vf_cntl = idx_value;
 738		break;
 739	case 0x20B4:
 740		/* VAP_VTX_SIZE */
 741		track->vtx_size = idx_value & 0x7F;
 742		break;
 743	case 0x2134:
 744		/* VAP_VF_MAX_VTX_INDX */
 745		track->max_indx = idx_value & 0x00FFFFFFUL;
 746		break;
 747	case 0x2088:
 748		/* VAP_ALT_NUM_VERTICES - only valid on r500 */
 749		if (p->rdev->family < CHIP_RV515)
 750			goto fail;
 751		track->vap_alt_nverts = idx_value & 0xFFFFFF;
 752		break;
 753	case 0x43E4:
 754		/* SC_SCISSOR1 */
 755		track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
 756		if (p->rdev->family < CHIP_RV515) {
 757			track->maxy -= 1440;
 758		}
 759		track->cb_dirty = true;
 760		track->zb_dirty = true;
 761		break;
 762	case 0x4E00:
 763		/* RB3D_CCTL */
 764		if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
 765		    p->rdev->cmask_filp != p->filp) {
 766			DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
 767			return -EINVAL;
 768		}
 769		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
 770		track->cb_dirty = true;
 771		break;
 772	case 0x4E38:
 773	case 0x4E3C:
 774	case 0x4E40:
 775	case 0x4E44:
 776		/* RB3D_COLORPITCH0 */
 777		/* RB3D_COLORPITCH1 */
 778		/* RB3D_COLORPITCH2 */
 779		/* RB3D_COLORPITCH3 */
 780		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 781			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 782			if (r) {
 783				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 784					  idx, reg);
 785				radeon_cs_dump_packet(p, pkt);
 786				return r;
 787			}
 788
 789			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 790				tile_flags |= R300_COLOR_TILE_ENABLE;
 791			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 792				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
 793			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 794				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 795
 796			tmp = idx_value & ~(0x7 << 16);
 797			tmp |= tile_flags;
 798			ib[idx] = tmp;
 799		}
 800		i = (reg - 0x4E38) >> 2;
 801		track->cb[i].pitch = idx_value & 0x3FFE;
 802		switch (((idx_value >> 21) & 0xF)) {
 803		case 9:
 804		case 11:
 805		case 12:
 806			track->cb[i].cpp = 1;
 807			break;
 808		case 3:
 809		case 4:
 810		case 13:
 811		case 15:
 812			track->cb[i].cpp = 2;
 813			break;
 814		case 5:
 815			if (p->rdev->family < CHIP_RV515) {
 816				DRM_ERROR("Invalid color buffer format (%d)!\n",
 817					  ((idx_value >> 21) & 0xF));
 818				return -EINVAL;
 819			}
 820			/* Pass through. */
 821		case 6:
 822			track->cb[i].cpp = 4;
 823			break;
 824		case 10:
 825			track->cb[i].cpp = 8;
 826			break;
 827		case 7:
 828			track->cb[i].cpp = 16;
 829			break;
 830		default:
 831			DRM_ERROR("Invalid color buffer format (%d) !\n",
 832				  ((idx_value >> 21) & 0xF));
 833			return -EINVAL;
 834		}
 835		track->cb_dirty = true;
 836		break;
 837	case 0x4F00:
 838		/* ZB_CNTL */
 839		if (idx_value & 2) {
 840			track->z_enabled = true;
 841		} else {
 842			track->z_enabled = false;
 843		}
 844		track->zb_dirty = true;
 845		break;
 846	case 0x4F10:
 847		/* ZB_FORMAT */
 848		switch ((idx_value & 0xF)) {
 849		case 0:
 850		case 1:
 851			track->zb.cpp = 2;
 852			break;
 853		case 2:
 854			track->zb.cpp = 4;
 855			break;
 856		default:
 857			DRM_ERROR("Invalid z buffer format (%d) !\n",
 858				  (idx_value & 0xF));
 859			return -EINVAL;
 860		}
 861		track->zb_dirty = true;
 862		break;
 863	case 0x4F24:
 864		/* ZB_DEPTHPITCH */
 865		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 866			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 867			if (r) {
 868				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 869					  idx, reg);
 870				radeon_cs_dump_packet(p, pkt);
 871				return r;
 872			}
 873
 874			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 875				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 876			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 877				tile_flags |= R300_DEPTHMICROTILE_TILED;
 878			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 879				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 880
 881			tmp = idx_value & ~(0x7 << 16);
 882			tmp |= tile_flags;
 883			ib[idx] = tmp;
 884		}
 885		track->zb.pitch = idx_value & 0x3FFC;
 886		track->zb_dirty = true;
 887		break;
 888	case 0x4104:
 889		/* TX_ENABLE */
 890		for (i = 0; i < 16; i++) {
 891			bool enabled;
 892
 893			enabled = !!(idx_value & (1 << i));
 894			track->textures[i].enabled = enabled;
 895		}
 896		track->tex_dirty = true;
 897		break;
 898	case 0x44C0:
 899	case 0x44C4:
 900	case 0x44C8:
 901	case 0x44CC:
 902	case 0x44D0:
 903	case 0x44D4:
 904	case 0x44D8:
 905	case 0x44DC:
 906	case 0x44E0:
 907	case 0x44E4:
 908	case 0x44E8:
 909	case 0x44EC:
 910	case 0x44F0:
 911	case 0x44F4:
 912	case 0x44F8:
 913	case 0x44FC:
 914		/* TX_FORMAT1_[0-15] */
 915		i = (reg - 0x44C0) >> 2;
 916		tmp = (idx_value >> 25) & 0x3;
 917		track->textures[i].tex_coord_type = tmp;
 918		switch ((idx_value & 0x1F)) {
 919		case R300_TX_FORMAT_X8:
 920		case R300_TX_FORMAT_Y4X4:
 921		case R300_TX_FORMAT_Z3Y3X2:
 922			track->textures[i].cpp = 1;
 923			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 924			break;
 925		case R300_TX_FORMAT_X16:
 926		case R300_TX_FORMAT_FL_I16:
 927		case R300_TX_FORMAT_Y8X8:
 928		case R300_TX_FORMAT_Z5Y6X5:
 929		case R300_TX_FORMAT_Z6Y5X5:
 930		case R300_TX_FORMAT_W4Z4Y4X4:
 931		case R300_TX_FORMAT_W1Z5Y5X5:
 932		case R300_TX_FORMAT_D3DMFT_CxV8U8:
 933		case R300_TX_FORMAT_B8G8_B8G8:
 934		case R300_TX_FORMAT_G8R8_G8B8:
 935			track->textures[i].cpp = 2;
 936			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 937			break;
 938		case R300_TX_FORMAT_Y16X16:
 939		case R300_TX_FORMAT_FL_I16A16:
 940		case R300_TX_FORMAT_Z11Y11X10:
 941		case R300_TX_FORMAT_Z10Y11X11:
 942		case R300_TX_FORMAT_W8Z8Y8X8:
 943		case R300_TX_FORMAT_W2Z10Y10X10:
 944		case 0x17:
 945		case R300_TX_FORMAT_FL_I32:
 946		case 0x1e:
 947			track->textures[i].cpp = 4;
 948			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 949			break;
 950		case R300_TX_FORMAT_W16Z16Y16X16:
 951		case R300_TX_FORMAT_FL_R16G16B16A16:
 952		case R300_TX_FORMAT_FL_I32A32:
 953			track->textures[i].cpp = 8;
 954			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 955			break;
 956		case R300_TX_FORMAT_FL_R32G32B32A32:
 957			track->textures[i].cpp = 16;
 958			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 959			break;
 960		case R300_TX_FORMAT_DXT1:
 961			track->textures[i].cpp = 1;
 962			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 963			break;
 964		case R300_TX_FORMAT_ATI2N:
 965			if (p->rdev->family < CHIP_R420) {
 966				DRM_ERROR("Invalid texture format %u\n",
 967					  (idx_value & 0x1F));
 968				return -EINVAL;
 969			}
 970			/* The same rules apply as for DXT3/5. */
 971			/* Pass through. */
 972		case R300_TX_FORMAT_DXT3:
 973		case R300_TX_FORMAT_DXT5:
 974			track->textures[i].cpp = 1;
 975			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
 976			break;
 977		default:
 978			DRM_ERROR("Invalid texture format %u\n",
 979				  (idx_value & 0x1F));
 980			return -EINVAL;
 981		}
 982		track->tex_dirty = true;
 983		break;
 984	case 0x4400:
 985	case 0x4404:
 986	case 0x4408:
 987	case 0x440C:
 988	case 0x4410:
 989	case 0x4414:
 990	case 0x4418:
 991	case 0x441C:
 992	case 0x4420:
 993	case 0x4424:
 994	case 0x4428:
 995	case 0x442C:
 996	case 0x4430:
 997	case 0x4434:
 998	case 0x4438:
 999	case 0x443C:
1000		/* TX_FILTER0_[0-15] */
1001		i = (reg - 0x4400) >> 2;
1002		tmp = idx_value & 0x7;
1003		if (tmp == 2 || tmp == 4 || tmp == 6) {
1004			track->textures[i].roundup_w = false;
1005		}
1006		tmp = (idx_value >> 3) & 0x7;
1007		if (tmp == 2 || tmp == 4 || tmp == 6) {
1008			track->textures[i].roundup_h = false;
1009		}
1010		track->tex_dirty = true;
1011		break;
1012	case 0x4500:
1013	case 0x4504:
1014	case 0x4508:
1015	case 0x450C:
1016	case 0x4510:
1017	case 0x4514:
1018	case 0x4518:
1019	case 0x451C:
1020	case 0x4520:
1021	case 0x4524:
1022	case 0x4528:
1023	case 0x452C:
1024	case 0x4530:
1025	case 0x4534:
1026	case 0x4538:
1027	case 0x453C:
1028		/* TX_FORMAT2_[0-15] */
1029		i = (reg - 0x4500) >> 2;
1030		tmp = idx_value & 0x3FFF;
1031		track->textures[i].pitch = tmp + 1;
1032		if (p->rdev->family >= CHIP_RV515) {
1033			tmp = ((idx_value >> 15) & 1) << 11;
1034			track->textures[i].width_11 = tmp;
1035			tmp = ((idx_value >> 16) & 1) << 11;
1036			track->textures[i].height_11 = tmp;
1037
1038			/* ATI1N */
1039			if (idx_value & (1 << 14)) {
1040				/* The same rules apply as for DXT1. */
1041				track->textures[i].compress_format =
1042					R100_TRACK_COMP_DXT1;
1043			}
1044		} else if (idx_value & (1 << 14)) {
1045			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1046			return -EINVAL;
1047		}
1048		track->tex_dirty = true;
1049		break;
1050	case 0x4480:
1051	case 0x4484:
1052	case 0x4488:
1053	case 0x448C:
1054	case 0x4490:
1055	case 0x4494:
1056	case 0x4498:
1057	case 0x449C:
1058	case 0x44A0:
1059	case 0x44A4:
1060	case 0x44A8:
1061	case 0x44AC:
1062	case 0x44B0:
1063	case 0x44B4:
1064	case 0x44B8:
1065	case 0x44BC:
1066		/* TX_FORMAT0_[0-15] */
1067		i = (reg - 0x4480) >> 2;
1068		tmp = idx_value & 0x7FF;
1069		track->textures[i].width = tmp + 1;
1070		tmp = (idx_value >> 11) & 0x7FF;
1071		track->textures[i].height = tmp + 1;
1072		tmp = (idx_value >> 26) & 0xF;
1073		track->textures[i].num_levels = tmp;
1074		tmp = idx_value & (1 << 31);
1075		track->textures[i].use_pitch = !!tmp;
1076		tmp = (idx_value >> 22) & 0xF;
1077		track->textures[i].txdepth = tmp;
1078		track->tex_dirty = true;
1079		break;
1080	case R300_ZB_ZPASS_ADDR:
1081		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1082		if (r) {
1083			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1084					idx, reg);
1085			radeon_cs_dump_packet(p, pkt);
1086			return r;
1087		}
1088		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1089		break;
1090	case 0x4e0c:
1091		/* RB3D_COLOR_CHANNEL_MASK */
1092		track->color_channel_mask = idx_value;
1093		track->cb_dirty = true;
1094		break;
1095	case 0x43a4:
1096		/* SC_HYPERZ_EN */
1097		/* r300c emits this register - we need to disable hyperz for it
1098		 * without complaining */
1099		if (p->rdev->hyperz_filp != p->filp) {
1100			if (idx_value & 0x1)
1101				ib[idx] = idx_value & ~1;
1102		}
1103		break;
1104	case 0x4f1c:
1105		/* ZB_BW_CNTL */
1106		track->zb_cb_clear = !!(idx_value & (1 << 5));
1107		track->cb_dirty = true;
1108		track->zb_dirty = true;
1109		if (p->rdev->hyperz_filp != p->filp) {
1110			if (idx_value & (R300_HIZ_ENABLE |
1111					 R300_RD_COMP_ENABLE |
1112					 R300_WR_COMP_ENABLE |
1113					 R300_FAST_FILL_ENABLE))
1114				goto fail;
1115		}
1116		break;
1117	case 0x4e04:
1118		/* RB3D_BLENDCNTL */
1119		track->blend_read_enable = !!(idx_value & (1 << 2));
1120		track->cb_dirty = true;
1121		break;
1122	case R300_RB3D_AARESOLVE_OFFSET:
1123		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1124		if (r) {
1125			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1126				  idx, reg);
1127			radeon_cs_dump_packet(p, pkt);
1128			return r;
1129		}
1130		track->aa.robj = reloc->robj;
1131		track->aa.offset = idx_value;
1132		track->aa_dirty = true;
1133		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1134		break;
1135	case R300_RB3D_AARESOLVE_PITCH:
1136		track->aa.pitch = idx_value & 0x3FFE;
1137		track->aa_dirty = true;
1138		break;
1139	case R300_RB3D_AARESOLVE_CTL:
1140		track->aaresolve = idx_value & 0x1;
1141		track->aa_dirty = true;
1142		break;
1143	case 0x4f30: /* ZB_MASK_OFFSET */
1144	case 0x4f34: /* ZB_ZMASK_PITCH */
1145	case 0x4f44: /* ZB_HIZ_OFFSET */
1146	case 0x4f54: /* ZB_HIZ_PITCH */
1147		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1148			goto fail;
1149		break;
1150	case 0x4028:
1151		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1152			goto fail;
1153		/* GB_Z_PEQ_CONFIG */
1154		if (p->rdev->family >= CHIP_RV350)
1155			break;
1156		goto fail;
1157		break;
1158	case 0x4be8:
1159		/* valid register only on RV530 */
1160		if (p->rdev->family == CHIP_RV530)
1161			break;
1162		/* fallthrough do not move */
1163	default:
1164		goto fail;
1165	}
1166	return 0;
1167fail:
1168	printk(KERN_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	int r;
1331
1332	r = r100_debugfs_mc_info_init(rdev);
1333	if (r) {
1334		dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1335	}
1336
1337	/* Stops all mc clients */
1338	r100_mc_stop(rdev, &save);
1339	if (rdev->flags & RADEON_IS_AGP) {
1340		WREG32(R_00014C_MC_AGP_LOCATION,
1341			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1342			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1343		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1344		WREG32(R_00015C_AGP_BASE_2,
1345			upper_32_bits(rdev->mc.agp_base) & 0xff);
1346	} else {
1347		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1348		WREG32(R_000170_AGP_BASE, 0);
1349		WREG32(R_00015C_AGP_BASE_2, 0);
1350	}
1351	/* Wait for mc idle */
1352	if (r300_mc_wait_for_idle(rdev))
1353		DRM_INFO("Failed to wait MC idle before programming MC.\n");
1354	/* Program MC, should be a 32bits limited address space */
1355	WREG32(R_000148_MC_FB_LOCATION,
1356		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1357		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1358	r100_mc_resume(rdev, &save);
1359}
1360
1361void r300_clock_startup(struct radeon_device *rdev)
1362{
1363	u32 tmp;
1364
1365	if (radeon_dynclks != -1 && radeon_dynclks)
1366		radeon_legacy_set_clock_gating(rdev, 1);
1367	/* We need to force on some of the block */
1368	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1369	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1370	if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1371		tmp |= S_00000D_FORCE_VAP(1);
1372	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1373}
1374
1375static int r300_startup(struct radeon_device *rdev)
1376{
1377	int r;
1378
1379	/* set common regs */
1380	r100_set_common_regs(rdev);
1381	/* program mc */
1382	r300_mc_program(rdev);
1383	/* Resume clock */
1384	r300_clock_startup(rdev);
1385	/* Initialize GPU configuration (# pipes, ...) */
1386	r300_gpu_init(rdev);
1387	/* Initialize GART (initialize after TTM so we can allocate
1388	 * memory through TTM but finalize after TTM) */
1389	if (rdev->flags & RADEON_IS_PCIE) {
1390		r = rv370_pcie_gart_enable(rdev);
1391		if (r)
1392			return r;
1393	}
1394
1395	if (rdev->family == CHIP_R300 ||
1396	    rdev->family == CHIP_R350 ||
1397	    rdev->family == CHIP_RV350)
1398		r100_enable_bm(rdev);
1399
1400	if (rdev->flags & RADEON_IS_PCI) {
1401		r = r100_pci_gart_enable(rdev);
1402		if (r)
1403			return r;
1404	}
1405
1406	/* allocate wb buffer */
1407	r = radeon_wb_init(rdev);
1408	if (r)
1409		return r;
1410
1411	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1412	if (r) {
1413		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1414		return r;
1415	}
1416
1417	/* Enable IRQ */
1418	if (!rdev->irq.installed) {
1419		r = radeon_irq_kms_init(rdev);
1420		if (r)
1421			return r;
1422	}
1423
1424	r100_irq_set(rdev);
1425	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1426	/* 1M ring buffer */
1427	r = r100_cp_init(rdev, 1024 * 1024);
1428	if (r) {
1429		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1430		return r;
1431	}
1432
1433	r = radeon_ib_pool_init(rdev);
1434	if (r) {
1435		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1436		return r;
1437	}
1438
1439	return 0;
1440}
1441
1442int r300_resume(struct radeon_device *rdev)
1443{
1444	int r;
1445
1446	/* Make sur GART are not working */
1447	if (rdev->flags & RADEON_IS_PCIE)
1448		rv370_pcie_gart_disable(rdev);
1449	if (rdev->flags & RADEON_IS_PCI)
1450		r100_pci_gart_disable(rdev);
1451	/* Resume clock before doing reset */
1452	r300_clock_startup(rdev);
1453	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1454	if (radeon_asic_reset(rdev)) {
1455		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1456			RREG32(R_000E40_RBBM_STATUS),
1457			RREG32(R_0007C0_CP_STAT));
1458	}
1459	/* post */
1460	radeon_combios_asic_init(rdev->ddev);
1461	/* Resume clock after posting */
1462	r300_clock_startup(rdev);
1463	/* Initialize surface registers */
1464	radeon_surface_init(rdev);
1465
1466	rdev->accel_working = true;
1467	r = r300_startup(rdev);
1468	if (r) {
1469		rdev->accel_working = false;
1470	}
1471	return r;
1472}
1473
1474int r300_suspend(struct radeon_device *rdev)
1475{
1476	radeon_pm_suspend(rdev);
1477	r100_cp_disable(rdev);
1478	radeon_wb_disable(rdev);
1479	r100_irq_disable(rdev);
1480	if (rdev->flags & RADEON_IS_PCIE)
1481		rv370_pcie_gart_disable(rdev);
1482	if (rdev->flags & RADEON_IS_PCI)
1483		r100_pci_gart_disable(rdev);
1484	return 0;
1485}
1486
1487void r300_fini(struct radeon_device *rdev)
1488{
1489	radeon_pm_fini(rdev);
1490	r100_cp_fini(rdev);
1491	radeon_wb_fini(rdev);
1492	radeon_ib_pool_fini(rdev);
1493	radeon_gem_fini(rdev);
1494	if (rdev->flags & RADEON_IS_PCIE)
1495		rv370_pcie_gart_fini(rdev);
1496	if (rdev->flags & RADEON_IS_PCI)
1497		r100_pci_gart_fini(rdev);
1498	radeon_agp_fini(rdev);
1499	radeon_irq_kms_fini(rdev);
1500	radeon_fence_driver_fini(rdev);
1501	radeon_bo_fini(rdev);
1502	radeon_atombios_fini(rdev);
1503	kfree(rdev->bios);
1504	rdev->bios = NULL;
1505}
1506
1507int r300_init(struct radeon_device *rdev)
1508{
1509	int r;
1510
1511	/* Disable VGA */
1512	r100_vga_render_disable(rdev);
1513	/* Initialize scratch registers */
1514	radeon_scratch_init(rdev);
1515	/* Initialize surface registers */
1516	radeon_surface_init(rdev);
1517	/* TODO: disable VGA need to use VGA request */
1518	/* restore some register to sane defaults */
1519	r100_restore_sanity(rdev);
1520	/* BIOS*/
1521	if (!radeon_get_bios(rdev)) {
1522		if (ASIC_IS_AVIVO(rdev))
1523			return -EINVAL;
1524	}
1525	if (rdev->is_atom_bios) {
1526		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1527		return -EINVAL;
1528	} else {
1529		r = radeon_combios_init(rdev);
1530		if (r)
1531			return r;
1532	}
1533	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1534	if (radeon_asic_reset(rdev)) {
1535		dev_warn(rdev->dev,
1536			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1537			RREG32(R_000E40_RBBM_STATUS),
1538			RREG32(R_0007C0_CP_STAT));
1539	}
1540	/* check if cards are posted or not */
1541	if (radeon_boot_test_post_card(rdev) == false)
1542		return -EINVAL;
1543	/* Set asic errata */
1544	r300_errata(rdev);
1545	/* Initialize clocks */
1546	radeon_get_clock_info(rdev->ddev);
1547	/* initialize AGP */
1548	if (rdev->flags & RADEON_IS_AGP) {
1549		r = radeon_agp_init(rdev);
1550		if (r) {
1551			radeon_agp_disable(rdev);
1552		}
1553	}
1554	/* initialize memory controller */
1555	r300_mc_init(rdev);
1556	/* Fence driver */
1557	r = radeon_fence_driver_init(rdev);
1558	if (r)
1559		return r;
1560	/* Memory manager */
1561	r = radeon_bo_init(rdev);
1562	if (r)
1563		return r;
1564	if (rdev->flags & RADEON_IS_PCIE) {
1565		r = rv370_pcie_gart_init(rdev);
1566		if (r)
1567			return r;
1568	}
1569	if (rdev->flags & RADEON_IS_PCI) {
1570		r = r100_pci_gart_init(rdev);
1571		if (r)
1572			return r;
1573	}
1574	r300_set_reg_safe(rdev);
1575
1576	/* Initialize power management */
1577	radeon_pm_init(rdev);
1578
1579	rdev->accel_working = true;
1580	r = r300_startup(rdev);
1581	if (r) {
1582		/* Something went wrong with the accel init, so stop accel */
1583		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1584		r100_cp_fini(rdev);
1585		radeon_wb_fini(rdev);
1586		radeon_ib_pool_fini(rdev);
1587		radeon_irq_kms_fini(rdev);
1588		if (rdev->flags & RADEON_IS_PCIE)
1589			rv370_pcie_gart_fini(rdev);
1590		if (rdev->flags & RADEON_IS_PCI)
1591			r100_pci_gart_fini(rdev);
1592		radeon_agp_fini(rdev);
1593		rdev->accel_working = false;
1594	}
1595	return 0;
1596}
v5.9
   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_debugfs.h>
  36#include <drm/drm_device.h>
  37#include <drm/drm_file.h>
  38#include <drm/radeon_drm.h>
  39
  40#include "r100_track.h"
  41#include "r300_reg_safe.h"
  42#include "r300d.h"
  43#include "radeon.h"
  44#include "radeon_asic.h"
  45#include "radeon_reg.h"
  46#include "rv350d.h"
 
  47
  48/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
  49 *
  50 * GPU Errata:
  51 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
  52 *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
  53 *   However, scheduling such write to the ring seems harmless, i suspect
  54 *   the CP read collide with the flush somehow, or maybe the MC, hard to
  55 *   tell. (Jerome Glisse)
  56 */
  57
  58/*
  59 * Indirect registers accessor
  60 */
  61uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
  62{
  63	unsigned long flags;
  64	uint32_t r;
  65
  66	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  67	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  68	r = RREG32(RADEON_PCIE_DATA);
  69	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  70	return r;
  71}
  72
  73void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
  74{
  75	unsigned long flags;
  76
  77	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  78	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  79	WREG32(RADEON_PCIE_DATA, (v));
  80	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  81}
  82
  83/*
  84 * rv370,rv380 PCIE GART
  85 */
  86static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
  87
  88void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
  89{
  90	uint32_t tmp;
  91	int i;
  92
  93	/* Workaround HW bug do flush 2 times */
  94	for (i = 0; i < 2; i++) {
  95		tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  96		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
  97		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  98		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
  99	}
 100	mb();
 101}
 102
 103#define R300_PTE_UNSNOOPED (1 << 0)
 104#define R300_PTE_WRITEABLE (1 << 2)
 105#define R300_PTE_READABLE  (1 << 3)
 106
 107uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
 108{
 109	addr = (lower_32_bits(addr) >> 8) |
 110		((upper_32_bits(addr) & 0xff) << 24);
 111	if (flags & RADEON_GART_PAGE_READ)
 112		addr |= R300_PTE_READABLE;
 113	if (flags & RADEON_GART_PAGE_WRITE)
 114		addr |= R300_PTE_WRITEABLE;
 115	if (!(flags & RADEON_GART_PAGE_SNOOP))
 116		addr |= R300_PTE_UNSNOOPED;
 117	return addr;
 118}
 119
 120void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
 121			      uint64_t entry)
 122{
 123	void __iomem *ptr = rdev->gart.ptr;
 124
 125	/* on x86 we want this to be CPU endian, on powerpc
 126	 * on powerpc without HW swappers, it'll get swapped on way
 127	 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
 128	writel(entry, ((void __iomem *)ptr) + (i * 4));
 129}
 130
 131int rv370_pcie_gart_init(struct radeon_device *rdev)
 132{
 133	int r;
 134
 135	if (rdev->gart.robj) {
 136		WARN(1, "RV370 PCIE GART already initialized\n");
 137		return 0;
 138	}
 139	/* Initialize common gart structure */
 140	r = radeon_gart_init(rdev);
 141	if (r)
 142		return r;
 143	r = rv370_debugfs_pcie_gart_info_init(rdev);
 144	if (r)
 145		DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
 146	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 147	rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
 148	rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
 149	rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
 150	return radeon_gart_table_vram_alloc(rdev);
 151}
 152
 153int rv370_pcie_gart_enable(struct radeon_device *rdev)
 154{
 155	uint32_t table_addr;
 156	uint32_t tmp;
 157	int r;
 158
 159	if (rdev->gart.robj == NULL) {
 160		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 161		return -EINVAL;
 162	}
 163	r = radeon_gart_table_vram_pin(rdev);
 164	if (r)
 165		return r;
 166	/* discard memory request outside of configured range */
 167	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 168	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 169	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
 170	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
 171	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 172	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 173	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 174	table_addr = rdev->gart.table_addr;
 175	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 176	/* FIXME: setup default page */
 177	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
 178	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 179	/* Clear error */
 180	WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
 181	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 182	tmp |= RADEON_PCIE_TX_GART_EN;
 183	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 184	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 185	rv370_pcie_gart_tlb_flush(rdev);
 186	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 187		 (unsigned)(rdev->mc.gtt_size >> 20),
 188		 (unsigned long long)table_addr);
 189	rdev->gart.ready = true;
 190	return 0;
 191}
 192
 193void rv370_pcie_gart_disable(struct radeon_device *rdev)
 194{
 195	u32 tmp;
 196
 197	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
 198	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
 199	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 200	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 201	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 202	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 203	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
 204	radeon_gart_table_vram_unpin(rdev);
 205}
 206
 207void rv370_pcie_gart_fini(struct radeon_device *rdev)
 208{
 209	radeon_gart_fini(rdev);
 210	rv370_pcie_gart_disable(rdev);
 211	radeon_gart_table_vram_free(rdev);
 212}
 213
 214void r300_fence_ring_emit(struct radeon_device *rdev,
 215			  struct radeon_fence *fence)
 216{
 217	struct radeon_ring *ring = &rdev->ring[fence->ring];
 218
 219	/* Who ever call radeon_fence_emit should call ring_lock and ask
 220	 * for enough space (today caller are ib schedule and buffer move) */
 221	/* Write SC register so SC & US assert idle */
 222	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
 223	radeon_ring_write(ring, 0);
 224	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
 225	radeon_ring_write(ring, 0);
 226	/* Flush 3D cache */
 227	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 228	radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
 229	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 230	radeon_ring_write(ring, R300_ZC_FLUSH);
 231	/* Wait until IDLE & CLEAN */
 232	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 233	radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
 234				 RADEON_WAIT_2D_IDLECLEAN |
 235				 RADEON_WAIT_DMA_GUI_IDLE));
 236	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 237	radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
 238				RADEON_HDP_READ_BUFFER_INVALIDATE);
 239	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 240	radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
 241	/* Emit fence sequence & fire IRQ */
 242	radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 243	radeon_ring_write(ring, fence->seq);
 244	radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 245	radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 246}
 247
 248void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 249{
 250	unsigned gb_tile_config;
 251	int r;
 252
 253	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
 254	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 255	switch(rdev->num_gb_pipes) {
 256	case 2:
 257		gb_tile_config |= R300_PIPE_COUNT_R300;
 258		break;
 259	case 3:
 260		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 261		break;
 262	case 4:
 263		gb_tile_config |= R300_PIPE_COUNT_R420;
 264		break;
 265	case 1:
 266	default:
 267		gb_tile_config |= R300_PIPE_COUNT_RV350;
 268		break;
 269	}
 270
 271	r = radeon_ring_lock(rdev, ring, 64);
 272	if (r) {
 273		return;
 274	}
 275	radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 276	radeon_ring_write(ring,
 277			  RADEON_ISYNC_ANY2D_IDLE3D |
 278			  RADEON_ISYNC_ANY3D_IDLE2D |
 279			  RADEON_ISYNC_WAIT_IDLEGUI |
 280			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 281	radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
 282	radeon_ring_write(ring, gb_tile_config);
 283	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 284	radeon_ring_write(ring,
 285			  RADEON_WAIT_2D_IDLECLEAN |
 286			  RADEON_WAIT_3D_IDLECLEAN);
 287	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
 288	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
 289	radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
 290	radeon_ring_write(ring, 0);
 291	radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
 292	radeon_ring_write(ring, 0);
 293	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 294	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 295	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 296	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 297	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 298	radeon_ring_write(ring,
 299			  RADEON_WAIT_2D_IDLECLEAN |
 300			  RADEON_WAIT_3D_IDLECLEAN);
 301	radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
 302	radeon_ring_write(ring, 0);
 303	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 304	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 305	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 306	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 307	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
 308	radeon_ring_write(ring,
 309			  ((6 << R300_MS_X0_SHIFT) |
 310			   (6 << R300_MS_Y0_SHIFT) |
 311			   (6 << R300_MS_X1_SHIFT) |
 312			   (6 << R300_MS_Y1_SHIFT) |
 313			   (6 << R300_MS_X2_SHIFT) |
 314			   (6 << R300_MS_Y2_SHIFT) |
 315			   (6 << R300_MSBD0_Y_SHIFT) |
 316			   (6 << R300_MSBD0_X_SHIFT)));
 317	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
 318	radeon_ring_write(ring,
 319			  ((6 << R300_MS_X3_SHIFT) |
 320			   (6 << R300_MS_Y3_SHIFT) |
 321			   (6 << R300_MS_X4_SHIFT) |
 322			   (6 << R300_MS_Y4_SHIFT) |
 323			   (6 << R300_MS_X5_SHIFT) |
 324			   (6 << R300_MS_Y5_SHIFT) |
 325			   (6 << R300_MSBD1_SHIFT)));
 326	radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
 327	radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
 328	radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
 329	radeon_ring_write(ring,
 330			  R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
 331	radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
 332	radeon_ring_write(ring,
 333			  R300_GEOMETRY_ROUND_NEAREST |
 334			  R300_COLOR_ROUND_NEAREST);
 335	radeon_ring_unlock_commit(rdev, ring, false);
 336}
 337
 338static void r300_errata(struct radeon_device *rdev)
 339{
 340	rdev->pll_errata = 0;
 341
 342	if (rdev->family == CHIP_R300 &&
 343	    (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
 344		rdev->pll_errata |= CHIP_ERRATA_R300_CG;
 345	}
 346}
 347
 348int r300_mc_wait_for_idle(struct radeon_device *rdev)
 349{
 350	unsigned i;
 351	uint32_t tmp;
 352
 353	for (i = 0; i < rdev->usec_timeout; i++) {
 354		/* read MC_STATUS */
 355		tmp = RREG32(RADEON_MC_STATUS);
 356		if (tmp & R300_MC_IDLE) {
 357			return 0;
 358		}
 359		udelay(1);
 360	}
 361	return -1;
 362}
 363
 364static void r300_gpu_init(struct radeon_device *rdev)
 365{
 366	uint32_t gb_tile_config, tmp;
 367
 368	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
 369	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
 370		/* r300,r350 */
 371		rdev->num_gb_pipes = 2;
 372	} else {
 373		/* rv350,rv370,rv380,r300 AD, r350 AH */
 374		rdev->num_gb_pipes = 1;
 375	}
 376	rdev->num_z_pipes = 1;
 377	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 378	switch (rdev->num_gb_pipes) {
 379	case 2:
 380		gb_tile_config |= R300_PIPE_COUNT_R300;
 381		break;
 382	case 3:
 383		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 384		break;
 385	case 4:
 386		gb_tile_config |= R300_PIPE_COUNT_R420;
 387		break;
 388	default:
 389	case 1:
 390		gb_tile_config |= R300_PIPE_COUNT_RV350;
 391		break;
 392	}
 393	WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
 394
 395	if (r100_gui_wait_for_idle(rdev)) {
 396		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 
 397	}
 398
 399	tmp = RREG32(R300_DST_PIPE_CONFIG);
 400	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 401
 402	WREG32(R300_RB2D_DSTCACHE_MODE,
 403	       R300_DC_AUTOFLUSH_ENABLE |
 404	       R300_DC_DC_DISABLE_IGNORE_PE);
 405
 406	if (r100_gui_wait_for_idle(rdev)) {
 407		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 
 408	}
 409	if (r300_mc_wait_for_idle(rdev)) {
 410		pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
 
 411	}
 412	DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
 413		 rdev->num_gb_pipes, rdev->num_z_pipes);
 414}
 415
 416int r300_asic_reset(struct radeon_device *rdev, bool hard)
 417{
 418	struct r100_mc_save save;
 419	u32 status, tmp;
 420	int ret = 0;
 421
 422	status = RREG32(R_000E40_RBBM_STATUS);
 423	if (!G_000E40_GUI_ACTIVE(status)) {
 424		return 0;
 425	}
 426	r100_mc_stop(rdev, &save);
 427	status = RREG32(R_000E40_RBBM_STATUS);
 428	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 429	/* stop CP */
 430	WREG32(RADEON_CP_CSQ_CNTL, 0);
 431	tmp = RREG32(RADEON_CP_RB_CNTL);
 432	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 433	WREG32(RADEON_CP_RB_RPTR_WR, 0);
 434	WREG32(RADEON_CP_RB_WPTR, 0);
 435	WREG32(RADEON_CP_RB_CNTL, tmp);
 436	/* save PCI state */
 437	pci_save_state(rdev->pdev);
 438	/* disable bus mastering */
 439	r100_bm_disable(rdev);
 440	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 441					S_0000F0_SOFT_RESET_GA(1));
 442	RREG32(R_0000F0_RBBM_SOFT_RESET);
 443	mdelay(500);
 444	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 445	mdelay(1);
 446	status = RREG32(R_000E40_RBBM_STATUS);
 447	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 448	/* resetting the CP seems to be problematic sometimes it end up
 449	 * hard locking the computer, but it's necessary for successful
 450	 * reset more test & playing is needed on R3XX/R4XX to find a
 451	 * reliable (if any solution)
 452	 */
 453	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 454	RREG32(R_0000F0_RBBM_SOFT_RESET);
 455	mdelay(500);
 456	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 457	mdelay(1);
 458	status = RREG32(R_000E40_RBBM_STATUS);
 459	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 460	/* restore PCI & busmastering */
 461	pci_restore_state(rdev->pdev);
 462	r100_enable_bm(rdev);
 463	/* Check if GPU is idle */
 464	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 465		dev_err(rdev->dev, "failed to reset GPU\n");
 466		ret = -1;
 467	} else
 468		dev_info(rdev->dev, "GPU reset succeed\n");
 469	r100_mc_resume(rdev, &save);
 470	return ret;
 471}
 472
 473/*
 474 * r300,r350,rv350,rv380 VRAM info
 475 */
 476void r300_mc_init(struct radeon_device *rdev)
 477{
 478	u64 base;
 479	u32 tmp;
 480
 481	/* DDR for all card after R300 & IGP */
 482	rdev->mc.vram_is_ddr = true;
 483	tmp = RREG32(RADEON_MEM_CNTL);
 484	tmp &= R300_MEM_NUM_CHANNELS_MASK;
 485	switch (tmp) {
 486	case 0: rdev->mc.vram_width = 64; break;
 487	case 1: rdev->mc.vram_width = 128; break;
 488	case 2: rdev->mc.vram_width = 256; break;
 489	default:  rdev->mc.vram_width = 128; break;
 490	}
 491	r100_vram_init_sizes(rdev);
 492	base = rdev->mc.aper_base;
 493	if (rdev->flags & RADEON_IS_IGP)
 494		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
 495	radeon_vram_location(rdev, &rdev->mc, base);
 496	rdev->mc.gtt_base_align = 0;
 497	if (!(rdev->flags & RADEON_IS_AGP))
 498		radeon_gtt_location(rdev, &rdev->mc);
 499	radeon_update_bandwidth_info(rdev);
 500}
 501
 502void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
 503{
 504	uint32_t link_width_cntl, mask;
 505
 506	if (rdev->flags & RADEON_IS_IGP)
 507		return;
 508
 509	if (!(rdev->flags & RADEON_IS_PCIE))
 510		return;
 511
 512	/* FIXME wait for idle */
 513
 514	switch (lanes) {
 515	case 0:
 516		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
 517		break;
 518	case 1:
 519		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
 520		break;
 521	case 2:
 522		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
 523		break;
 524	case 4:
 525		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
 526		break;
 527	case 8:
 528		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
 529		break;
 530	case 12:
 531		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
 532		break;
 533	case 16:
 534	default:
 535		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
 536		break;
 537	}
 538
 539	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 540
 541	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
 542	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
 543		return;
 544
 545	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
 546			     RADEON_PCIE_LC_RECONFIG_NOW |
 547			     RADEON_PCIE_LC_RECONFIG_LATER |
 548			     RADEON_PCIE_LC_SHORT_RECONFIG_EN);
 549	link_width_cntl |= mask;
 550	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
 551	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
 552						     RADEON_PCIE_LC_RECONFIG_NOW));
 553
 554	/* wait for lane set to complete */
 555	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 556	while (link_width_cntl == 0xffffffff)
 557		link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 558
 559}
 560
 561int rv370_get_pcie_lanes(struct radeon_device *rdev)
 562{
 563	u32 link_width_cntl;
 564
 565	if (rdev->flags & RADEON_IS_IGP)
 566		return 0;
 567
 568	if (!(rdev->flags & RADEON_IS_PCIE))
 569		return 0;
 570
 571	/* FIXME wait for idle */
 572
 573	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 574
 575	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
 576	case RADEON_PCIE_LC_LINK_WIDTH_X0:
 577		return 0;
 578	case RADEON_PCIE_LC_LINK_WIDTH_X1:
 579		return 1;
 580	case RADEON_PCIE_LC_LINK_WIDTH_X2:
 581		return 2;
 582	case RADEON_PCIE_LC_LINK_WIDTH_X4:
 583		return 4;
 584	case RADEON_PCIE_LC_LINK_WIDTH_X8:
 585		return 8;
 586	case RADEON_PCIE_LC_LINK_WIDTH_X16:
 587	default:
 588		return 16;
 589	}
 590}
 591
 592#if defined(CONFIG_DEBUG_FS)
 593static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
 594{
 595	struct drm_info_node *node = (struct drm_info_node *) m->private;
 596	struct drm_device *dev = node->minor->dev;
 597	struct radeon_device *rdev = dev->dev_private;
 598	uint32_t tmp;
 599
 600	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 601	seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
 602	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
 603	seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
 604	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
 605	seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
 606	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
 607	seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
 608	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
 609	seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
 610	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
 611	seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
 612	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
 613	seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
 614	return 0;
 615}
 616
 617static struct drm_info_list rv370_pcie_gart_info_list[] = {
 618	{"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
 619};
 620#endif
 621
 622static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 623{
 624#if defined(CONFIG_DEBUG_FS)
 625	return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
 626#else
 627	return 0;
 628#endif
 629}
 630
 631static int r300_packet0_check(struct radeon_cs_parser *p,
 632		struct radeon_cs_packet *pkt,
 633		unsigned idx, unsigned reg)
 634{
 635	struct radeon_bo_list *reloc;
 636	struct r100_cs_track *track;
 637	volatile uint32_t *ib;
 638	uint32_t tmp, tile_flags = 0;
 639	unsigned i;
 640	int r;
 641	u32 idx_value;
 642
 643	ib = p->ib.ptr;
 644	track = (struct r100_cs_track *)p->track;
 645	idx_value = radeon_get_ib_value(p, idx);
 646
 647	switch(reg) {
 648	case AVIVO_D1MODE_VLINE_START_END:
 649	case RADEON_CRTC_GUI_TRIG_VLINE:
 650		r = r100_cs_packet_parse_vline(p);
 651		if (r) {
 652			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 653					idx, reg);
 654			radeon_cs_dump_packet(p, pkt);
 655			return r;
 656		}
 657		break;
 658	case RADEON_DST_PITCH_OFFSET:
 659	case RADEON_SRC_PITCH_OFFSET:
 660		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 661		if (r)
 662			return r;
 663		break;
 664	case R300_RB3D_COLOROFFSET0:
 665	case R300_RB3D_COLOROFFSET1:
 666	case R300_RB3D_COLOROFFSET2:
 667	case R300_RB3D_COLOROFFSET3:
 668		i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
 669		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 670		if (r) {
 671			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 672					idx, reg);
 673			radeon_cs_dump_packet(p, pkt);
 674			return r;
 675		}
 676		track->cb[i].robj = reloc->robj;
 677		track->cb[i].offset = idx_value;
 678		track->cb_dirty = true;
 679		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 680		break;
 681	case R300_ZB_DEPTHOFFSET:
 682		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 683		if (r) {
 684			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 685					idx, reg);
 686			radeon_cs_dump_packet(p, pkt);
 687			return r;
 688		}
 689		track->zb.robj = reloc->robj;
 690		track->zb.offset = idx_value;
 691		track->zb_dirty = true;
 692		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 693		break;
 694	case R300_TX_OFFSET_0:
 695	case R300_TX_OFFSET_0+4:
 696	case R300_TX_OFFSET_0+8:
 697	case R300_TX_OFFSET_0+12:
 698	case R300_TX_OFFSET_0+16:
 699	case R300_TX_OFFSET_0+20:
 700	case R300_TX_OFFSET_0+24:
 701	case R300_TX_OFFSET_0+28:
 702	case R300_TX_OFFSET_0+32:
 703	case R300_TX_OFFSET_0+36:
 704	case R300_TX_OFFSET_0+40:
 705	case R300_TX_OFFSET_0+44:
 706	case R300_TX_OFFSET_0+48:
 707	case R300_TX_OFFSET_0+52:
 708	case R300_TX_OFFSET_0+56:
 709	case R300_TX_OFFSET_0+60:
 710		i = (reg - R300_TX_OFFSET_0) >> 2;
 711		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 712		if (r) {
 713			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 714					idx, reg);
 715			radeon_cs_dump_packet(p, pkt);
 716			return r;
 717		}
 718
 719		if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
 720			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
 721				  ((idx_value & ~31) + (u32)reloc->gpu_offset);
 722		} else {
 723			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 724				tile_flags |= R300_TXO_MACRO_TILE;
 725			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 726				tile_flags |= R300_TXO_MICRO_TILE;
 727			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 728				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 729
 730			tmp = idx_value + ((u32)reloc->gpu_offset);
 731			tmp |= tile_flags;
 732			ib[idx] = tmp;
 733		}
 734		track->textures[i].robj = reloc->robj;
 735		track->tex_dirty = true;
 736		break;
 737	/* Tracked registers */
 738	case 0x2084:
 739		/* VAP_VF_CNTL */
 740		track->vap_vf_cntl = idx_value;
 741		break;
 742	case 0x20B4:
 743		/* VAP_VTX_SIZE */
 744		track->vtx_size = idx_value & 0x7F;
 745		break;
 746	case 0x2134:
 747		/* VAP_VF_MAX_VTX_INDX */
 748		track->max_indx = idx_value & 0x00FFFFFFUL;
 749		break;
 750	case 0x2088:
 751		/* VAP_ALT_NUM_VERTICES - only valid on r500 */
 752		if (p->rdev->family < CHIP_RV515)
 753			goto fail;
 754		track->vap_alt_nverts = idx_value & 0xFFFFFF;
 755		break;
 756	case 0x43E4:
 757		/* SC_SCISSOR1 */
 758		track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
 759		if (p->rdev->family < CHIP_RV515) {
 760			track->maxy -= 1440;
 761		}
 762		track->cb_dirty = true;
 763		track->zb_dirty = true;
 764		break;
 765	case 0x4E00:
 766		/* RB3D_CCTL */
 767		if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
 768		    p->rdev->cmask_filp != p->filp) {
 769			DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
 770			return -EINVAL;
 771		}
 772		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
 773		track->cb_dirty = true;
 774		break;
 775	case 0x4E38:
 776	case 0x4E3C:
 777	case 0x4E40:
 778	case 0x4E44:
 779		/* RB3D_COLORPITCH0 */
 780		/* RB3D_COLORPITCH1 */
 781		/* RB3D_COLORPITCH2 */
 782		/* RB3D_COLORPITCH3 */
 783		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 784			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 785			if (r) {
 786				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 787					  idx, reg);
 788				radeon_cs_dump_packet(p, pkt);
 789				return r;
 790			}
 791
 792			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 793				tile_flags |= R300_COLOR_TILE_ENABLE;
 794			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 795				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
 796			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 797				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 798
 799			tmp = idx_value & ~(0x7 << 16);
 800			tmp |= tile_flags;
 801			ib[idx] = tmp;
 802		}
 803		i = (reg - 0x4E38) >> 2;
 804		track->cb[i].pitch = idx_value & 0x3FFE;
 805		switch (((idx_value >> 21) & 0xF)) {
 806		case 9:
 807		case 11:
 808		case 12:
 809			track->cb[i].cpp = 1;
 810			break;
 811		case 3:
 812		case 4:
 813		case 13:
 814		case 15:
 815			track->cb[i].cpp = 2;
 816			break;
 817		case 5:
 818			if (p->rdev->family < CHIP_RV515) {
 819				DRM_ERROR("Invalid color buffer format (%d)!\n",
 820					  ((idx_value >> 21) & 0xF));
 821				return -EINVAL;
 822			}
 823			fallthrough;
 824		case 6:
 825			track->cb[i].cpp = 4;
 826			break;
 827		case 10:
 828			track->cb[i].cpp = 8;
 829			break;
 830		case 7:
 831			track->cb[i].cpp = 16;
 832			break;
 833		default:
 834			DRM_ERROR("Invalid color buffer format (%d) !\n",
 835				  ((idx_value >> 21) & 0xF));
 836			return -EINVAL;
 837		}
 838		track->cb_dirty = true;
 839		break;
 840	case 0x4F00:
 841		/* ZB_CNTL */
 842		if (idx_value & 2) {
 843			track->z_enabled = true;
 844		} else {
 845			track->z_enabled = false;
 846		}
 847		track->zb_dirty = true;
 848		break;
 849	case 0x4F10:
 850		/* ZB_FORMAT */
 851		switch ((idx_value & 0xF)) {
 852		case 0:
 853		case 1:
 854			track->zb.cpp = 2;
 855			break;
 856		case 2:
 857			track->zb.cpp = 4;
 858			break;
 859		default:
 860			DRM_ERROR("Invalid z buffer format (%d) !\n",
 861				  (idx_value & 0xF));
 862			return -EINVAL;
 863		}
 864		track->zb_dirty = true;
 865		break;
 866	case 0x4F24:
 867		/* ZB_DEPTHPITCH */
 868		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 869			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 870			if (r) {
 871				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 872					  idx, reg);
 873				radeon_cs_dump_packet(p, pkt);
 874				return r;
 875			}
 876
 877			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 878				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 879			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 880				tile_flags |= R300_DEPTHMICROTILE_TILED;
 881			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 882				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 883
 884			tmp = idx_value & ~(0x7 << 16);
 885			tmp |= tile_flags;
 886			ib[idx] = tmp;
 887		}
 888		track->zb.pitch = idx_value & 0x3FFC;
 889		track->zb_dirty = true;
 890		break;
 891	case 0x4104:
 892		/* TX_ENABLE */
 893		for (i = 0; i < 16; i++) {
 894			bool enabled;
 895
 896			enabled = !!(idx_value & (1 << i));
 897			track->textures[i].enabled = enabled;
 898		}
 899		track->tex_dirty = true;
 900		break;
 901	case 0x44C0:
 902	case 0x44C4:
 903	case 0x44C8:
 904	case 0x44CC:
 905	case 0x44D0:
 906	case 0x44D4:
 907	case 0x44D8:
 908	case 0x44DC:
 909	case 0x44E0:
 910	case 0x44E4:
 911	case 0x44E8:
 912	case 0x44EC:
 913	case 0x44F0:
 914	case 0x44F4:
 915	case 0x44F8:
 916	case 0x44FC:
 917		/* TX_FORMAT1_[0-15] */
 918		i = (reg - 0x44C0) >> 2;
 919		tmp = (idx_value >> 25) & 0x3;
 920		track->textures[i].tex_coord_type = tmp;
 921		switch ((idx_value & 0x1F)) {
 922		case R300_TX_FORMAT_X8:
 923		case R300_TX_FORMAT_Y4X4:
 924		case R300_TX_FORMAT_Z3Y3X2:
 925			track->textures[i].cpp = 1;
 926			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 927			break;
 928		case R300_TX_FORMAT_X16:
 929		case R300_TX_FORMAT_FL_I16:
 930		case R300_TX_FORMAT_Y8X8:
 931		case R300_TX_FORMAT_Z5Y6X5:
 932		case R300_TX_FORMAT_Z6Y5X5:
 933		case R300_TX_FORMAT_W4Z4Y4X4:
 934		case R300_TX_FORMAT_W1Z5Y5X5:
 935		case R300_TX_FORMAT_D3DMFT_CxV8U8:
 936		case R300_TX_FORMAT_B8G8_B8G8:
 937		case R300_TX_FORMAT_G8R8_G8B8:
 938			track->textures[i].cpp = 2;
 939			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 940			break;
 941		case R300_TX_FORMAT_Y16X16:
 942		case R300_TX_FORMAT_FL_I16A16:
 943		case R300_TX_FORMAT_Z11Y11X10:
 944		case R300_TX_FORMAT_Z10Y11X11:
 945		case R300_TX_FORMAT_W8Z8Y8X8:
 946		case R300_TX_FORMAT_W2Z10Y10X10:
 947		case 0x17:
 948		case R300_TX_FORMAT_FL_I32:
 949		case 0x1e:
 950			track->textures[i].cpp = 4;
 951			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 952			break;
 953		case R300_TX_FORMAT_W16Z16Y16X16:
 954		case R300_TX_FORMAT_FL_R16G16B16A16:
 955		case R300_TX_FORMAT_FL_I32A32:
 956			track->textures[i].cpp = 8;
 957			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 958			break;
 959		case R300_TX_FORMAT_FL_R32G32B32A32:
 960			track->textures[i].cpp = 16;
 961			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 962			break;
 963		case R300_TX_FORMAT_DXT1:
 964			track->textures[i].cpp = 1;
 965			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 966			break;
 967		case R300_TX_FORMAT_ATI2N:
 968			if (p->rdev->family < CHIP_R420) {
 969				DRM_ERROR("Invalid texture format %u\n",
 970					  (idx_value & 0x1F));
 971				return -EINVAL;
 972			}
 973			/* The same rules apply as for DXT3/5. */
 974			fallthrough;
 975		case R300_TX_FORMAT_DXT3:
 976		case R300_TX_FORMAT_DXT5:
 977			track->textures[i].cpp = 1;
 978			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
 979			break;
 980		default:
 981			DRM_ERROR("Invalid texture format %u\n",
 982				  (idx_value & 0x1F));
 983			return -EINVAL;
 984		}
 985		track->tex_dirty = true;
 986		break;
 987	case 0x4400:
 988	case 0x4404:
 989	case 0x4408:
 990	case 0x440C:
 991	case 0x4410:
 992	case 0x4414:
 993	case 0x4418:
 994	case 0x441C:
 995	case 0x4420:
 996	case 0x4424:
 997	case 0x4428:
 998	case 0x442C:
 999	case 0x4430:
1000	case 0x4434:
1001	case 0x4438:
1002	case 0x443C:
1003		/* TX_FILTER0_[0-15] */
1004		i = (reg - 0x4400) >> 2;
1005		tmp = idx_value & 0x7;
1006		if (tmp == 2 || tmp == 4 || tmp == 6) {
1007			track->textures[i].roundup_w = false;
1008		}
1009		tmp = (idx_value >> 3) & 0x7;
1010		if (tmp == 2 || tmp == 4 || tmp == 6) {
1011			track->textures[i].roundup_h = false;
1012		}
1013		track->tex_dirty = true;
1014		break;
1015	case 0x4500:
1016	case 0x4504:
1017	case 0x4508:
1018	case 0x450C:
1019	case 0x4510:
1020	case 0x4514:
1021	case 0x4518:
1022	case 0x451C:
1023	case 0x4520:
1024	case 0x4524:
1025	case 0x4528:
1026	case 0x452C:
1027	case 0x4530:
1028	case 0x4534:
1029	case 0x4538:
1030	case 0x453C:
1031		/* TX_FORMAT2_[0-15] */
1032		i = (reg - 0x4500) >> 2;
1033		tmp = idx_value & 0x3FFF;
1034		track->textures[i].pitch = tmp + 1;
1035		if (p->rdev->family >= CHIP_RV515) {
1036			tmp = ((idx_value >> 15) & 1) << 11;
1037			track->textures[i].width_11 = tmp;
1038			tmp = ((idx_value >> 16) & 1) << 11;
1039			track->textures[i].height_11 = tmp;
1040
1041			/* ATI1N */
1042			if (idx_value & (1 << 14)) {
1043				/* The same rules apply as for DXT1. */
1044				track->textures[i].compress_format =
1045					R100_TRACK_COMP_DXT1;
1046			}
1047		} else if (idx_value & (1 << 14)) {
1048			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1049			return -EINVAL;
1050		}
1051		track->tex_dirty = true;
1052		break;
1053	case 0x4480:
1054	case 0x4484:
1055	case 0x4488:
1056	case 0x448C:
1057	case 0x4490:
1058	case 0x4494:
1059	case 0x4498:
1060	case 0x449C:
1061	case 0x44A0:
1062	case 0x44A4:
1063	case 0x44A8:
1064	case 0x44AC:
1065	case 0x44B0:
1066	case 0x44B4:
1067	case 0x44B8:
1068	case 0x44BC:
1069		/* TX_FORMAT0_[0-15] */
1070		i = (reg - 0x4480) >> 2;
1071		tmp = idx_value & 0x7FF;
1072		track->textures[i].width = tmp + 1;
1073		tmp = (idx_value >> 11) & 0x7FF;
1074		track->textures[i].height = tmp + 1;
1075		tmp = (idx_value >> 26) & 0xF;
1076		track->textures[i].num_levels = tmp;
1077		tmp = idx_value & (1 << 31);
1078		track->textures[i].use_pitch = !!tmp;
1079		tmp = (idx_value >> 22) & 0xF;
1080		track->textures[i].txdepth = tmp;
1081		track->tex_dirty = true;
1082		break;
1083	case R300_ZB_ZPASS_ADDR:
1084		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1085		if (r) {
1086			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1087					idx, reg);
1088			radeon_cs_dump_packet(p, pkt);
1089			return r;
1090		}
1091		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1092		break;
1093	case 0x4e0c:
1094		/* RB3D_COLOR_CHANNEL_MASK */
1095		track->color_channel_mask = idx_value;
1096		track->cb_dirty = true;
1097		break;
1098	case 0x43a4:
1099		/* SC_HYPERZ_EN */
1100		/* r300c emits this register - we need to disable hyperz for it
1101		 * without complaining */
1102		if (p->rdev->hyperz_filp != p->filp) {
1103			if (idx_value & 0x1)
1104				ib[idx] = idx_value & ~1;
1105		}
1106		break;
1107	case 0x4f1c:
1108		/* ZB_BW_CNTL */
1109		track->zb_cb_clear = !!(idx_value & (1 << 5));
1110		track->cb_dirty = true;
1111		track->zb_dirty = true;
1112		if (p->rdev->hyperz_filp != p->filp) {
1113			if (idx_value & (R300_HIZ_ENABLE |
1114					 R300_RD_COMP_ENABLE |
1115					 R300_WR_COMP_ENABLE |
1116					 R300_FAST_FILL_ENABLE))
1117				goto fail;
1118		}
1119		break;
1120	case 0x4e04:
1121		/* RB3D_BLENDCNTL */
1122		track->blend_read_enable = !!(idx_value & (1 << 2));
1123		track->cb_dirty = true;
1124		break;
1125	case R300_RB3D_AARESOLVE_OFFSET:
1126		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1127		if (r) {
1128			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1129				  idx, reg);
1130			radeon_cs_dump_packet(p, pkt);
1131			return r;
1132		}
1133		track->aa.robj = reloc->robj;
1134		track->aa.offset = idx_value;
1135		track->aa_dirty = true;
1136		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1137		break;
1138	case R300_RB3D_AARESOLVE_PITCH:
1139		track->aa.pitch = idx_value & 0x3FFE;
1140		track->aa_dirty = true;
1141		break;
1142	case R300_RB3D_AARESOLVE_CTL:
1143		track->aaresolve = idx_value & 0x1;
1144		track->aa_dirty = true;
1145		break;
1146	case 0x4f30: /* ZB_MASK_OFFSET */
1147	case 0x4f34: /* ZB_ZMASK_PITCH */
1148	case 0x4f44: /* ZB_HIZ_OFFSET */
1149	case 0x4f54: /* ZB_HIZ_PITCH */
1150		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1151			goto fail;
1152		break;
1153	case 0x4028:
1154		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1155			goto fail;
1156		/* GB_Z_PEQ_CONFIG */
1157		if (p->rdev->family >= CHIP_RV350)
1158			break;
1159		goto fail;
1160		break;
1161	case 0x4be8:
1162		/* valid register only on RV530 */
1163		if (p->rdev->family == CHIP_RV530)
1164			break;
1165		/* fallthrough do not move */
1166	default:
1167		goto fail;
1168	}
1169	return 0;
1170fail:
1171	pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1172	       reg, idx, idx_value);
1173	return -EINVAL;
1174}
1175
1176static int r300_packet3_check(struct radeon_cs_parser *p,
1177			      struct radeon_cs_packet *pkt)
1178{
1179	struct radeon_bo_list *reloc;
1180	struct r100_cs_track *track;
1181	volatile uint32_t *ib;
1182	unsigned idx;
1183	int r;
1184
1185	ib = p->ib.ptr;
1186	idx = pkt->idx + 1;
1187	track = (struct r100_cs_track *)p->track;
1188	switch(pkt->opcode) {
1189	case PACKET3_3D_LOAD_VBPNTR:
1190		r = r100_packet3_load_vbpntr(p, pkt, idx);
1191		if (r)
1192			return r;
1193		break;
1194	case PACKET3_INDX_BUFFER:
1195		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1196		if (r) {
1197			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1198			radeon_cs_dump_packet(p, pkt);
1199			return r;
1200		}
1201		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1202		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1203		if (r) {
1204			return r;
1205		}
1206		break;
1207	/* Draw packet */
1208	case PACKET3_3D_DRAW_IMMD:
1209		/* Number of dwords is vtx_size * (num_vertices - 1)
1210		 * PRIM_WALK must be equal to 3 vertex data in embedded
1211		 * in cmd stream */
1212		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1213			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1214			return -EINVAL;
1215		}
1216		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1217		track->immd_dwords = pkt->count - 1;
1218		r = r100_cs_track_check(p->rdev, track);
1219		if (r) {
1220			return r;
1221		}
1222		break;
1223	case PACKET3_3D_DRAW_IMMD_2:
1224		/* Number of dwords is vtx_size * (num_vertices - 1)
1225		 * PRIM_WALK must be equal to 3 vertex data in embedded
1226		 * in cmd stream */
1227		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1228			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1229			return -EINVAL;
1230		}
1231		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1232		track->immd_dwords = pkt->count;
1233		r = r100_cs_track_check(p->rdev, track);
1234		if (r) {
1235			return r;
1236		}
1237		break;
1238	case PACKET3_3D_DRAW_VBUF:
1239		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1240		r = r100_cs_track_check(p->rdev, track);
1241		if (r) {
1242			return r;
1243		}
1244		break;
1245	case PACKET3_3D_DRAW_VBUF_2:
1246		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1247		r = r100_cs_track_check(p->rdev, track);
1248		if (r) {
1249			return r;
1250		}
1251		break;
1252	case PACKET3_3D_DRAW_INDX:
1253		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1254		r = r100_cs_track_check(p->rdev, track);
1255		if (r) {
1256			return r;
1257		}
1258		break;
1259	case PACKET3_3D_DRAW_INDX_2:
1260		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1261		r = r100_cs_track_check(p->rdev, track);
1262		if (r) {
1263			return r;
1264		}
1265		break;
1266	case PACKET3_3D_CLEAR_HIZ:
1267	case PACKET3_3D_CLEAR_ZMASK:
1268		if (p->rdev->hyperz_filp != p->filp)
1269			return -EINVAL;
1270		break;
1271	case PACKET3_3D_CLEAR_CMASK:
1272		if (p->rdev->cmask_filp != p->filp)
1273			return -EINVAL;
1274		break;
1275	case PACKET3_NOP:
1276		break;
1277	default:
1278		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1279		return -EINVAL;
1280	}
1281	return 0;
1282}
1283
1284int r300_cs_parse(struct radeon_cs_parser *p)
1285{
1286	struct radeon_cs_packet pkt;
1287	struct r100_cs_track *track;
1288	int r;
1289
1290	track = kzalloc(sizeof(*track), GFP_KERNEL);
1291	if (track == NULL)
1292		return -ENOMEM;
1293	r100_cs_track_clear(p->rdev, track);
1294	p->track = track;
1295	do {
1296		r = radeon_cs_packet_parse(p, &pkt, p->idx);
1297		if (r) {
1298			return r;
1299		}
1300		p->idx += pkt.count + 2;
1301		switch (pkt.type) {
1302		case RADEON_PACKET_TYPE0:
1303			r = r100_cs_parse_packet0(p, &pkt,
1304						  p->rdev->config.r300.reg_safe_bm,
1305						  p->rdev->config.r300.reg_safe_bm_size,
1306						  &r300_packet0_check);
1307			break;
1308		case RADEON_PACKET_TYPE2:
1309			break;
1310		case RADEON_PACKET_TYPE3:
1311			r = r300_packet3_check(p, &pkt);
1312			break;
1313		default:
1314			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1315			return -EINVAL;
1316		}
1317		if (r) {
1318			return r;
1319		}
1320	} while (p->idx < p->chunk_ib->length_dw);
1321	return 0;
1322}
1323
1324void r300_set_reg_safe(struct radeon_device *rdev)
1325{
1326	rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1327	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1328}
1329
1330void r300_mc_program(struct radeon_device *rdev)
1331{
1332	struct r100_mc_save save;
1333	int r;
1334
1335	r = r100_debugfs_mc_info_init(rdev);
1336	if (r) {
1337		dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1338	}
1339
1340	/* Stops all mc clients */
1341	r100_mc_stop(rdev, &save);
1342	if (rdev->flags & RADEON_IS_AGP) {
1343		WREG32(R_00014C_MC_AGP_LOCATION,
1344			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1345			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1346		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1347		WREG32(R_00015C_AGP_BASE_2,
1348			upper_32_bits(rdev->mc.agp_base) & 0xff);
1349	} else {
1350		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1351		WREG32(R_000170_AGP_BASE, 0);
1352		WREG32(R_00015C_AGP_BASE_2, 0);
1353	}
1354	/* Wait for mc idle */
1355	if (r300_mc_wait_for_idle(rdev))
1356		DRM_INFO("Failed to wait MC idle before programming MC.\n");
1357	/* Program MC, should be a 32bits limited address space */
1358	WREG32(R_000148_MC_FB_LOCATION,
1359		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1360		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1361	r100_mc_resume(rdev, &save);
1362}
1363
1364void r300_clock_startup(struct radeon_device *rdev)
1365{
1366	u32 tmp;
1367
1368	if (radeon_dynclks != -1 && radeon_dynclks)
1369		radeon_legacy_set_clock_gating(rdev, 1);
1370	/* We need to force on some of the block */
1371	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1372	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1373	if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1374		tmp |= S_00000D_FORCE_VAP(1);
1375	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1376}
1377
1378static int r300_startup(struct radeon_device *rdev)
1379{
1380	int r;
1381
1382	/* set common regs */
1383	r100_set_common_regs(rdev);
1384	/* program mc */
1385	r300_mc_program(rdev);
1386	/* Resume clock */
1387	r300_clock_startup(rdev);
1388	/* Initialize GPU configuration (# pipes, ...) */
1389	r300_gpu_init(rdev);
1390	/* Initialize GART (initialize after TTM so we can allocate
1391	 * memory through TTM but finalize after TTM) */
1392	if (rdev->flags & RADEON_IS_PCIE) {
1393		r = rv370_pcie_gart_enable(rdev);
1394		if (r)
1395			return r;
1396	}
1397
1398	if (rdev->family == CHIP_R300 ||
1399	    rdev->family == CHIP_R350 ||
1400	    rdev->family == CHIP_RV350)
1401		r100_enable_bm(rdev);
1402
1403	if (rdev->flags & RADEON_IS_PCI) {
1404		r = r100_pci_gart_enable(rdev);
1405		if (r)
1406			return r;
1407	}
1408
1409	/* allocate wb buffer */
1410	r = radeon_wb_init(rdev);
1411	if (r)
1412		return r;
1413
1414	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1415	if (r) {
1416		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1417		return r;
1418	}
1419
1420	/* Enable IRQ */
1421	if (!rdev->irq.installed) {
1422		r = radeon_irq_kms_init(rdev);
1423		if (r)
1424			return r;
1425	}
1426
1427	r100_irq_set(rdev);
1428	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1429	/* 1M ring buffer */
1430	r = r100_cp_init(rdev, 1024 * 1024);
1431	if (r) {
1432		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1433		return r;
1434	}
1435
1436	r = radeon_ib_pool_init(rdev);
1437	if (r) {
1438		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1439		return r;
1440	}
1441
1442	return 0;
1443}
1444
1445int r300_resume(struct radeon_device *rdev)
1446{
1447	int r;
1448
1449	/* Make sur GART are not working */
1450	if (rdev->flags & RADEON_IS_PCIE)
1451		rv370_pcie_gart_disable(rdev);
1452	if (rdev->flags & RADEON_IS_PCI)
1453		r100_pci_gart_disable(rdev);
1454	/* Resume clock before doing reset */
1455	r300_clock_startup(rdev);
1456	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1457	if (radeon_asic_reset(rdev)) {
1458		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1459			RREG32(R_000E40_RBBM_STATUS),
1460			RREG32(R_0007C0_CP_STAT));
1461	}
1462	/* post */
1463	radeon_combios_asic_init(rdev->ddev);
1464	/* Resume clock after posting */
1465	r300_clock_startup(rdev);
1466	/* Initialize surface registers */
1467	radeon_surface_init(rdev);
1468
1469	rdev->accel_working = true;
1470	r = r300_startup(rdev);
1471	if (r) {
1472		rdev->accel_working = false;
1473	}
1474	return r;
1475}
1476
1477int r300_suspend(struct radeon_device *rdev)
1478{
1479	radeon_pm_suspend(rdev);
1480	r100_cp_disable(rdev);
1481	radeon_wb_disable(rdev);
1482	r100_irq_disable(rdev);
1483	if (rdev->flags & RADEON_IS_PCIE)
1484		rv370_pcie_gart_disable(rdev);
1485	if (rdev->flags & RADEON_IS_PCI)
1486		r100_pci_gart_disable(rdev);
1487	return 0;
1488}
1489
1490void r300_fini(struct radeon_device *rdev)
1491{
1492	radeon_pm_fini(rdev);
1493	r100_cp_fini(rdev);
1494	radeon_wb_fini(rdev);
1495	radeon_ib_pool_fini(rdev);
1496	radeon_gem_fini(rdev);
1497	if (rdev->flags & RADEON_IS_PCIE)
1498		rv370_pcie_gart_fini(rdev);
1499	if (rdev->flags & RADEON_IS_PCI)
1500		r100_pci_gart_fini(rdev);
1501	radeon_agp_fini(rdev);
1502	radeon_irq_kms_fini(rdev);
1503	radeon_fence_driver_fini(rdev);
1504	radeon_bo_fini(rdev);
1505	radeon_atombios_fini(rdev);
1506	kfree(rdev->bios);
1507	rdev->bios = NULL;
1508}
1509
1510int r300_init(struct radeon_device *rdev)
1511{
1512	int r;
1513
1514	/* Disable VGA */
1515	r100_vga_render_disable(rdev);
1516	/* Initialize scratch registers */
1517	radeon_scratch_init(rdev);
1518	/* Initialize surface registers */
1519	radeon_surface_init(rdev);
1520	/* TODO: disable VGA need to use VGA request */
1521	/* restore some register to sane defaults */
1522	r100_restore_sanity(rdev);
1523	/* BIOS*/
1524	if (!radeon_get_bios(rdev)) {
1525		if (ASIC_IS_AVIVO(rdev))
1526			return -EINVAL;
1527	}
1528	if (rdev->is_atom_bios) {
1529		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1530		return -EINVAL;
1531	} else {
1532		r = radeon_combios_init(rdev);
1533		if (r)
1534			return r;
1535	}
1536	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1537	if (radeon_asic_reset(rdev)) {
1538		dev_warn(rdev->dev,
1539			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1540			RREG32(R_000E40_RBBM_STATUS),
1541			RREG32(R_0007C0_CP_STAT));
1542	}
1543	/* check if cards are posted or not */
1544	if (radeon_boot_test_post_card(rdev) == false)
1545		return -EINVAL;
1546	/* Set asic errata */
1547	r300_errata(rdev);
1548	/* Initialize clocks */
1549	radeon_get_clock_info(rdev->ddev);
1550	/* initialize AGP */
1551	if (rdev->flags & RADEON_IS_AGP) {
1552		r = radeon_agp_init(rdev);
1553		if (r) {
1554			radeon_agp_disable(rdev);
1555		}
1556	}
1557	/* initialize memory controller */
1558	r300_mc_init(rdev);
1559	/* Fence driver */
1560	r = radeon_fence_driver_init(rdev);
1561	if (r)
1562		return r;
1563	/* Memory manager */
1564	r = radeon_bo_init(rdev);
1565	if (r)
1566		return r;
1567	if (rdev->flags & RADEON_IS_PCIE) {
1568		r = rv370_pcie_gart_init(rdev);
1569		if (r)
1570			return r;
1571	}
1572	if (rdev->flags & RADEON_IS_PCI) {
1573		r = r100_pci_gart_init(rdev);
1574		if (r)
1575			return r;
1576	}
1577	r300_set_reg_safe(rdev);
1578
1579	/* Initialize power management */
1580	radeon_pm_init(rdev);
1581
1582	rdev->accel_working = true;
1583	r = r300_startup(rdev);
1584	if (r) {
1585		/* Something went wrong with the accel init, so stop accel */
1586		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1587		r100_cp_fini(rdev);
1588		radeon_wb_fini(rdev);
1589		radeon_ib_pool_fini(rdev);
1590		radeon_irq_kms_fini(rdev);
1591		if (rdev->flags & RADEON_IS_PCIE)
1592			rv370_pcie_gart_fini(rdev);
1593		if (rdev->flags & RADEON_IS_PCI)
1594			r100_pci_gart_fini(rdev);
1595		radeon_agp_fini(rdev);
1596		rdev->accel_working = false;
1597	}
1598	return 0;
1599}