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v3.1
   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 "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 * rv370,rv380 PCIE GART
  54 */
  55static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
  56
  57void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
  58{
  59	uint32_t tmp;
  60	int i;
  61
  62	/* Workaround HW bug do flush 2 times */
  63	for (i = 0; i < 2; i++) {
  64		tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  65		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
  66		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  67		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
  68	}
  69	mb();
  70}
  71
 
  72#define R300_PTE_WRITEABLE (1 << 2)
  73#define R300_PTE_READABLE  (1 << 3)
  74
  75int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
  76{
  77	void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
  78
  79	if (i < 0 || i > rdev->gart.num_gpu_pages) {
  80		return -EINVAL;
  81	}
  82	addr = (lower_32_bits(addr) >> 8) |
  83	       ((upper_32_bits(addr) & 0xff) << 24) |
  84	       R300_PTE_WRITEABLE | R300_PTE_READABLE;
 
 
 
 
 
 
 
 
 
 
 
 
 
  85	/* on x86 we want this to be CPU endian, on powerpc
  86	 * on powerpc without HW swappers, it'll get swapped on way
  87	 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
  88	writel(addr, ((void __iomem *)ptr) + (i * 4));
  89	return 0;
  90}
  91
  92int rv370_pcie_gart_init(struct radeon_device *rdev)
  93{
  94	int r;
  95
  96	if (rdev->gart.table.vram.robj) {
  97		WARN(1, "RV370 PCIE GART already initialized\n");
  98		return 0;
  99	}
 100	/* Initialize common gart structure */
 101	r = radeon_gart_init(rdev);
 102	if (r)
 103		return r;
 104	r = rv370_debugfs_pcie_gart_info_init(rdev);
 105	if (r)
 106		DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
 107	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 108	rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush;
 109	rdev->asic->gart_set_page = &rv370_pcie_gart_set_page;
 
 110	return radeon_gart_table_vram_alloc(rdev);
 111}
 112
 113int rv370_pcie_gart_enable(struct radeon_device *rdev)
 114{
 115	uint32_t table_addr;
 116	uint32_t tmp;
 117	int r;
 118
 119	if (rdev->gart.table.vram.robj == NULL) {
 120		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 121		return -EINVAL;
 122	}
 123	r = radeon_gart_table_vram_pin(rdev);
 124	if (r)
 125		return r;
 126	radeon_gart_restore(rdev);
 127	/* discard memory request outside of configured range */
 128	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 129	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 130	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
 131	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
 132	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 133	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 134	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 135	table_addr = rdev->gart.table_addr;
 136	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 137	/* FIXME: setup default page */
 138	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
 139	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 140	/* Clear error */
 141	WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
 142	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 143	tmp |= RADEON_PCIE_TX_GART_EN;
 144	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 145	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 146	rv370_pcie_gart_tlb_flush(rdev);
 147	DRM_INFO("PCIE GART of %uM enabled (table at 0x%08X).\n",
 148		 (unsigned)(rdev->mc.gtt_size >> 20), table_addr);
 
 149	rdev->gart.ready = true;
 150	return 0;
 151}
 152
 153void rv370_pcie_gart_disable(struct radeon_device *rdev)
 154{
 155	u32 tmp;
 156	int r;
 157
 158	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
 159	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
 160	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 161	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 162	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 163	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 164	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
 165	if (rdev->gart.table.vram.robj) {
 166		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
 167		if (likely(r == 0)) {
 168			radeon_bo_kunmap(rdev->gart.table.vram.robj);
 169			radeon_bo_unpin(rdev->gart.table.vram.robj);
 170			radeon_bo_unreserve(rdev->gart.table.vram.robj);
 171		}
 172	}
 173}
 174
 175void rv370_pcie_gart_fini(struct radeon_device *rdev)
 176{
 177	radeon_gart_fini(rdev);
 178	rv370_pcie_gart_disable(rdev);
 179	radeon_gart_table_vram_free(rdev);
 180}
 181
 182void r300_fence_ring_emit(struct radeon_device *rdev,
 183			  struct radeon_fence *fence)
 184{
 
 
 185	/* Who ever call radeon_fence_emit should call ring_lock and ask
 186	 * for enough space (today caller are ib schedule and buffer move) */
 187	/* Write SC register so SC & US assert idle */
 188	radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_TL, 0));
 189	radeon_ring_write(rdev, 0);
 190	radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_BR, 0));
 191	radeon_ring_write(rdev, 0);
 192	/* Flush 3D cache */
 193	radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 194	radeon_ring_write(rdev, R300_RB3D_DC_FLUSH);
 195	radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 196	radeon_ring_write(rdev, R300_ZC_FLUSH);
 197	/* Wait until IDLE & CLEAN */
 198	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 199	radeon_ring_write(rdev, (RADEON_WAIT_3D_IDLECLEAN |
 200				 RADEON_WAIT_2D_IDLECLEAN |
 201				 RADEON_WAIT_DMA_GUI_IDLE));
 202	radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 203	radeon_ring_write(rdev, rdev->config.r300.hdp_cntl |
 204				RADEON_HDP_READ_BUFFER_INVALIDATE);
 205	radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 206	radeon_ring_write(rdev, rdev->config.r300.hdp_cntl);
 207	/* Emit fence sequence & fire IRQ */
 208	radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
 209	radeon_ring_write(rdev, fence->seq);
 210	radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
 211	radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
 212}
 213
 214void r300_ring_start(struct radeon_device *rdev)
 215{
 216	unsigned gb_tile_config;
 217	int r;
 218
 219	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
 220	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 221	switch(rdev->num_gb_pipes) {
 222	case 2:
 223		gb_tile_config |= R300_PIPE_COUNT_R300;
 224		break;
 225	case 3:
 226		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 227		break;
 228	case 4:
 229		gb_tile_config |= R300_PIPE_COUNT_R420;
 230		break;
 231	case 1:
 232	default:
 233		gb_tile_config |= R300_PIPE_COUNT_RV350;
 234		break;
 235	}
 236
 237	r = radeon_ring_lock(rdev, 64);
 238	if (r) {
 239		return;
 240	}
 241	radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
 242	radeon_ring_write(rdev,
 243			  RADEON_ISYNC_ANY2D_IDLE3D |
 244			  RADEON_ISYNC_ANY3D_IDLE2D |
 245			  RADEON_ISYNC_WAIT_IDLEGUI |
 246			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 247	radeon_ring_write(rdev, PACKET0(R300_GB_TILE_CONFIG, 0));
 248	radeon_ring_write(rdev, gb_tile_config);
 249	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 250	radeon_ring_write(rdev,
 251			  RADEON_WAIT_2D_IDLECLEAN |
 252			  RADEON_WAIT_3D_IDLECLEAN);
 253	radeon_ring_write(rdev, PACKET0(R300_DST_PIPE_CONFIG, 0));
 254	radeon_ring_write(rdev, R300_PIPE_AUTO_CONFIG);
 255	radeon_ring_write(rdev, PACKET0(R300_GB_SELECT, 0));
 256	radeon_ring_write(rdev, 0);
 257	radeon_ring_write(rdev, PACKET0(R300_GB_ENABLE, 0));
 258	radeon_ring_write(rdev, 0);
 259	radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 260	radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 261	radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 262	radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
 263	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 264	radeon_ring_write(rdev,
 265			  RADEON_WAIT_2D_IDLECLEAN |
 266			  RADEON_WAIT_3D_IDLECLEAN);
 267	radeon_ring_write(rdev, PACKET0(R300_GB_AA_CONFIG, 0));
 268	radeon_ring_write(rdev, 0);
 269	radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 270	radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 271	radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 272	radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
 273	radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS0, 0));
 274	radeon_ring_write(rdev,
 275			  ((6 << R300_MS_X0_SHIFT) |
 276			   (6 << R300_MS_Y0_SHIFT) |
 277			   (6 << R300_MS_X1_SHIFT) |
 278			   (6 << R300_MS_Y1_SHIFT) |
 279			   (6 << R300_MS_X2_SHIFT) |
 280			   (6 << R300_MS_Y2_SHIFT) |
 281			   (6 << R300_MSBD0_Y_SHIFT) |
 282			   (6 << R300_MSBD0_X_SHIFT)));
 283	radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS1, 0));
 284	radeon_ring_write(rdev,
 285			  ((6 << R300_MS_X3_SHIFT) |
 286			   (6 << R300_MS_Y3_SHIFT) |
 287			   (6 << R300_MS_X4_SHIFT) |
 288			   (6 << R300_MS_Y4_SHIFT) |
 289			   (6 << R300_MS_X5_SHIFT) |
 290			   (6 << R300_MS_Y5_SHIFT) |
 291			   (6 << R300_MSBD1_SHIFT)));
 292	radeon_ring_write(rdev, PACKET0(R300_GA_ENHANCE, 0));
 293	radeon_ring_write(rdev, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
 294	radeon_ring_write(rdev, PACKET0(R300_GA_POLY_MODE, 0));
 295	radeon_ring_write(rdev,
 296			  R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
 297	radeon_ring_write(rdev, PACKET0(R300_GA_ROUND_MODE, 0));
 298	radeon_ring_write(rdev,
 299			  R300_GEOMETRY_ROUND_NEAREST |
 300			  R300_COLOR_ROUND_NEAREST);
 301	radeon_ring_unlock_commit(rdev);
 302}
 303
 304void r300_errata(struct radeon_device *rdev)
 305{
 306	rdev->pll_errata = 0;
 307
 308	if (rdev->family == CHIP_R300 &&
 309	    (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
 310		rdev->pll_errata |= CHIP_ERRATA_R300_CG;
 311	}
 312}
 313
 314int r300_mc_wait_for_idle(struct radeon_device *rdev)
 315{
 316	unsigned i;
 317	uint32_t tmp;
 318
 319	for (i = 0; i < rdev->usec_timeout; i++) {
 320		/* read MC_STATUS */
 321		tmp = RREG32(RADEON_MC_STATUS);
 322		if (tmp & R300_MC_IDLE) {
 323			return 0;
 324		}
 325		DRM_UDELAY(1);
 326	}
 327	return -1;
 328}
 329
 330void r300_gpu_init(struct radeon_device *rdev)
 331{
 332	uint32_t gb_tile_config, tmp;
 333
 334	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
 335	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
 336		/* r300,r350 */
 337		rdev->num_gb_pipes = 2;
 338	} else {
 339		/* rv350,rv370,rv380,r300 AD, r350 AH */
 340		rdev->num_gb_pipes = 1;
 341	}
 342	rdev->num_z_pipes = 1;
 343	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 344	switch (rdev->num_gb_pipes) {
 345	case 2:
 346		gb_tile_config |= R300_PIPE_COUNT_R300;
 347		break;
 348	case 3:
 349		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 350		break;
 351	case 4:
 352		gb_tile_config |= R300_PIPE_COUNT_R420;
 353		break;
 354	default:
 355	case 1:
 356		gb_tile_config |= R300_PIPE_COUNT_RV350;
 357		break;
 358	}
 359	WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
 360
 361	if (r100_gui_wait_for_idle(rdev)) {
 362		printk(KERN_WARNING "Failed to wait GUI idle while "
 363		       "programming pipes. Bad things might happen.\n");
 364	}
 365
 366	tmp = RREG32(R300_DST_PIPE_CONFIG);
 367	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 368
 369	WREG32(R300_RB2D_DSTCACHE_MODE,
 370	       R300_DC_AUTOFLUSH_ENABLE |
 371	       R300_DC_DC_DISABLE_IGNORE_PE);
 372
 373	if (r100_gui_wait_for_idle(rdev)) {
 374		printk(KERN_WARNING "Failed to wait GUI idle while "
 375		       "programming pipes. Bad things might happen.\n");
 376	}
 377	if (r300_mc_wait_for_idle(rdev)) {
 378		printk(KERN_WARNING "Failed to wait MC idle while "
 379		       "programming pipes. Bad things might happen.\n");
 380	}
 381	DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
 382		 rdev->num_gb_pipes, rdev->num_z_pipes);
 383}
 384
 385bool r300_gpu_is_lockup(struct radeon_device *rdev)
 386{
 387	u32 rbbm_status;
 388	int r;
 389
 390	rbbm_status = RREG32(R_000E40_RBBM_STATUS);
 391	if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
 392		r100_gpu_lockup_update(&rdev->config.r300.lockup, &rdev->cp);
 393		return false;
 394	}
 395	/* force CP activities */
 396	r = radeon_ring_lock(rdev, 2);
 397	if (!r) {
 398		/* PACKET2 NOP */
 399		radeon_ring_write(rdev, 0x80000000);
 400		radeon_ring_write(rdev, 0x80000000);
 401		radeon_ring_unlock_commit(rdev);
 402	}
 403	rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
 404	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp);
 405}
 406
 407int r300_asic_reset(struct radeon_device *rdev)
 408{
 409	struct r100_mc_save save;
 410	u32 status, tmp;
 411	int ret = 0;
 412
 413	status = RREG32(R_000E40_RBBM_STATUS);
 414	if (!G_000E40_GUI_ACTIVE(status)) {
 415		return 0;
 416	}
 417	r100_mc_stop(rdev, &save);
 418	status = RREG32(R_000E40_RBBM_STATUS);
 419	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 420	/* stop CP */
 421	WREG32(RADEON_CP_CSQ_CNTL, 0);
 422	tmp = RREG32(RADEON_CP_RB_CNTL);
 423	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 424	WREG32(RADEON_CP_RB_RPTR_WR, 0);
 425	WREG32(RADEON_CP_RB_WPTR, 0);
 426	WREG32(RADEON_CP_RB_CNTL, tmp);
 427	/* save PCI state */
 428	pci_save_state(rdev->pdev);
 429	/* disable bus mastering */
 430	r100_bm_disable(rdev);
 431	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 432					S_0000F0_SOFT_RESET_GA(1));
 433	RREG32(R_0000F0_RBBM_SOFT_RESET);
 434	mdelay(500);
 435	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 436	mdelay(1);
 437	status = RREG32(R_000E40_RBBM_STATUS);
 438	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 439	/* resetting the CP seems to be problematic sometimes it end up
 440	 * hard locking the computer, but it's necessary for successful
 441	 * reset more test & playing is needed on R3XX/R4XX to find a
 442	 * reliable (if any solution)
 443	 */
 444	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 445	RREG32(R_0000F0_RBBM_SOFT_RESET);
 446	mdelay(500);
 447	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 448	mdelay(1);
 449	status = RREG32(R_000E40_RBBM_STATUS);
 450	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 451	/* restore PCI & busmastering */
 452	pci_restore_state(rdev->pdev);
 453	r100_enable_bm(rdev);
 454	/* Check if GPU is idle */
 455	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 456		dev_err(rdev->dev, "failed to reset GPU\n");
 457		rdev->gpu_lockup = true;
 458		ret = -1;
 459	} else
 460		dev_info(rdev->dev, "GPU reset succeed\n");
 461	r100_mc_resume(rdev, &save);
 462	return ret;
 463}
 464
 465/*
 466 * r300,r350,rv350,rv380 VRAM info
 467 */
 468void r300_mc_init(struct radeon_device *rdev)
 469{
 470	u64 base;
 471	u32 tmp;
 472
 473	/* DDR for all card after R300 & IGP */
 474	rdev->mc.vram_is_ddr = true;
 475	tmp = RREG32(RADEON_MEM_CNTL);
 476	tmp &= R300_MEM_NUM_CHANNELS_MASK;
 477	switch (tmp) {
 478	case 0: rdev->mc.vram_width = 64; break;
 479	case 1: rdev->mc.vram_width = 128; break;
 480	case 2: rdev->mc.vram_width = 256; break;
 481	default:  rdev->mc.vram_width = 128; break;
 482	}
 483	r100_vram_init_sizes(rdev);
 484	base = rdev->mc.aper_base;
 485	if (rdev->flags & RADEON_IS_IGP)
 486		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
 487	radeon_vram_location(rdev, &rdev->mc, base);
 488	rdev->mc.gtt_base_align = 0;
 489	if (!(rdev->flags & RADEON_IS_AGP))
 490		radeon_gtt_location(rdev, &rdev->mc);
 491	radeon_update_bandwidth_info(rdev);
 492}
 493
 494void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
 495{
 496	uint32_t link_width_cntl, mask;
 497
 498	if (rdev->flags & RADEON_IS_IGP)
 499		return;
 500
 501	if (!(rdev->flags & RADEON_IS_PCIE))
 502		return;
 503
 504	/* FIXME wait for idle */
 505
 506	switch (lanes) {
 507	case 0:
 508		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
 509		break;
 510	case 1:
 511		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
 512		break;
 513	case 2:
 514		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
 515		break;
 516	case 4:
 517		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
 518		break;
 519	case 8:
 520		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
 521		break;
 522	case 12:
 523		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
 524		break;
 525	case 16:
 526	default:
 527		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
 528		break;
 529	}
 530
 531	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 532
 533	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
 534	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
 535		return;
 536
 537	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
 538			     RADEON_PCIE_LC_RECONFIG_NOW |
 539			     RADEON_PCIE_LC_RECONFIG_LATER |
 540			     RADEON_PCIE_LC_SHORT_RECONFIG_EN);
 541	link_width_cntl |= mask;
 542	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
 543	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
 544						     RADEON_PCIE_LC_RECONFIG_NOW));
 545
 546	/* wait for lane set to complete */
 547	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 548	while (link_width_cntl == 0xffffffff)
 549		link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 550
 551}
 552
 553int rv370_get_pcie_lanes(struct radeon_device *rdev)
 554{
 555	u32 link_width_cntl;
 556
 557	if (rdev->flags & RADEON_IS_IGP)
 558		return 0;
 559
 560	if (!(rdev->flags & RADEON_IS_PCIE))
 561		return 0;
 562
 563	/* FIXME wait for idle */
 564
 565	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 566
 567	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
 568	case RADEON_PCIE_LC_LINK_WIDTH_X0:
 569		return 0;
 570	case RADEON_PCIE_LC_LINK_WIDTH_X1:
 571		return 1;
 572	case RADEON_PCIE_LC_LINK_WIDTH_X2:
 573		return 2;
 574	case RADEON_PCIE_LC_LINK_WIDTH_X4:
 575		return 4;
 576	case RADEON_PCIE_LC_LINK_WIDTH_X8:
 577		return 8;
 578	case RADEON_PCIE_LC_LINK_WIDTH_X16:
 579	default:
 580		return 16;
 581	}
 582}
 583
 584#if defined(CONFIG_DEBUG_FS)
 585static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
 586{
 587	struct drm_info_node *node = (struct drm_info_node *) m->private;
 588	struct drm_device *dev = node->minor->dev;
 589	struct radeon_device *rdev = dev->dev_private;
 590	uint32_t tmp;
 591
 592	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 593	seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
 594	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
 595	seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
 596	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
 597	seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
 598	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
 599	seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
 600	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
 601	seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
 602	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
 603	seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
 604	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
 605	seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
 606	return 0;
 607}
 608
 609static struct drm_info_list rv370_pcie_gart_info_list[] = {
 610	{"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
 611};
 612#endif
 613
 614static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 615{
 616#if defined(CONFIG_DEBUG_FS)
 617	return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
 618#else
 619	return 0;
 
 620#endif
 621}
 622
 623static int r300_packet0_check(struct radeon_cs_parser *p,
 624		struct radeon_cs_packet *pkt,
 625		unsigned idx, unsigned reg)
 626{
 627	struct radeon_cs_reloc *reloc;
 628	struct r100_cs_track *track;
 629	volatile uint32_t *ib;
 630	uint32_t tmp, tile_flags = 0;
 631	unsigned i;
 632	int r;
 633	u32 idx_value;
 634
 635	ib = p->ib->ptr;
 636	track = (struct r100_cs_track *)p->track;
 637	idx_value = radeon_get_ib_value(p, idx);
 638
 639	switch(reg) {
 640	case AVIVO_D1MODE_VLINE_START_END:
 641	case RADEON_CRTC_GUI_TRIG_VLINE:
 642		r = r100_cs_packet_parse_vline(p);
 643		if (r) {
 644			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 645					idx, reg);
 646			r100_cs_dump_packet(p, pkt);
 647			return r;
 648		}
 649		break;
 650	case RADEON_DST_PITCH_OFFSET:
 651	case RADEON_SRC_PITCH_OFFSET:
 652		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 653		if (r)
 654			return r;
 655		break;
 656	case R300_RB3D_COLOROFFSET0:
 657	case R300_RB3D_COLOROFFSET1:
 658	case R300_RB3D_COLOROFFSET2:
 659	case R300_RB3D_COLOROFFSET3:
 660		i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
 661		r = r100_cs_packet_next_reloc(p, &reloc);
 662		if (r) {
 663			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 664					idx, reg);
 665			r100_cs_dump_packet(p, pkt);
 666			return r;
 667		}
 668		track->cb[i].robj = reloc->robj;
 669		track->cb[i].offset = idx_value;
 670		track->cb_dirty = true;
 671		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 672		break;
 673	case R300_ZB_DEPTHOFFSET:
 674		r = r100_cs_packet_next_reloc(p, &reloc);
 675		if (r) {
 676			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 677					idx, reg);
 678			r100_cs_dump_packet(p, pkt);
 679			return r;
 680		}
 681		track->zb.robj = reloc->robj;
 682		track->zb.offset = idx_value;
 683		track->zb_dirty = true;
 684		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 685		break;
 686	case R300_TX_OFFSET_0:
 687	case R300_TX_OFFSET_0+4:
 688	case R300_TX_OFFSET_0+8:
 689	case R300_TX_OFFSET_0+12:
 690	case R300_TX_OFFSET_0+16:
 691	case R300_TX_OFFSET_0+20:
 692	case R300_TX_OFFSET_0+24:
 693	case R300_TX_OFFSET_0+28:
 694	case R300_TX_OFFSET_0+32:
 695	case R300_TX_OFFSET_0+36:
 696	case R300_TX_OFFSET_0+40:
 697	case R300_TX_OFFSET_0+44:
 698	case R300_TX_OFFSET_0+48:
 699	case R300_TX_OFFSET_0+52:
 700	case R300_TX_OFFSET_0+56:
 701	case R300_TX_OFFSET_0+60:
 702		i = (reg - R300_TX_OFFSET_0) >> 2;
 703		r = r100_cs_packet_next_reloc(p, &reloc);
 704		if (r) {
 705			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 706					idx, reg);
 707			r100_cs_dump_packet(p, pkt);
 708			return r;
 709		}
 710
 711		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 712			tile_flags |= R300_TXO_MACRO_TILE;
 713		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 714			tile_flags |= R300_TXO_MICRO_TILE;
 715		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
 716			tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 717
 718		tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
 719		tmp |= tile_flags;
 720		ib[idx] = tmp;
 
 
 
 
 
 721		track->textures[i].robj = reloc->robj;
 722		track->tex_dirty = true;
 723		break;
 724	/* Tracked registers */
 725	case 0x2084:
 726		/* VAP_VF_CNTL */
 727		track->vap_vf_cntl = idx_value;
 728		break;
 729	case 0x20B4:
 730		/* VAP_VTX_SIZE */
 731		track->vtx_size = idx_value & 0x7F;
 732		break;
 733	case 0x2134:
 734		/* VAP_VF_MAX_VTX_INDX */
 735		track->max_indx = idx_value & 0x00FFFFFFUL;
 736		break;
 737	case 0x2088:
 738		/* VAP_ALT_NUM_VERTICES - only valid on r500 */
 739		if (p->rdev->family < CHIP_RV515)
 740			goto fail;
 741		track->vap_alt_nverts = idx_value & 0xFFFFFF;
 742		break;
 743	case 0x43E4:
 744		/* SC_SCISSOR1 */
 745		track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
 746		if (p->rdev->family < CHIP_RV515) {
 747			track->maxy -= 1440;
 748		}
 749		track->cb_dirty = true;
 750		track->zb_dirty = true;
 751		break;
 752	case 0x4E00:
 753		/* RB3D_CCTL */
 754		if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
 755		    p->rdev->cmask_filp != p->filp) {
 756			DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
 757			return -EINVAL;
 758		}
 759		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
 760		track->cb_dirty = true;
 761		break;
 762	case 0x4E38:
 763	case 0x4E3C:
 764	case 0x4E40:
 765	case 0x4E44:
 766		/* RB3D_COLORPITCH0 */
 767		/* RB3D_COLORPITCH1 */
 768		/* RB3D_COLORPITCH2 */
 769		/* RB3D_COLORPITCH3 */
 770		r = r100_cs_packet_next_reloc(p, &reloc);
 771		if (r) {
 772			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 773				  idx, reg);
 774			r100_cs_dump_packet(p, pkt);
 775			return r;
 776		}
 777
 778		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 779			tile_flags |= R300_COLOR_TILE_ENABLE;
 780		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 781			tile_flags |= R300_COLOR_MICROTILE_ENABLE;
 782		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
 783			tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 784
 785		tmp = idx_value & ~(0x7 << 16);
 786		tmp |= tile_flags;
 787		ib[idx] = tmp;
 
 
 
 
 
 
 
 
 788		i = (reg - 0x4E38) >> 2;
 789		track->cb[i].pitch = idx_value & 0x3FFE;
 790		switch (((idx_value >> 21) & 0xF)) {
 791		case 9:
 792		case 11:
 793		case 12:
 794			track->cb[i].cpp = 1;
 795			break;
 796		case 3:
 797		case 4:
 798		case 13:
 799		case 15:
 800			track->cb[i].cpp = 2;
 801			break;
 802		case 5:
 803			if (p->rdev->family < CHIP_RV515) {
 804				DRM_ERROR("Invalid color buffer format (%d)!\n",
 805					  ((idx_value >> 21) & 0xF));
 806				return -EINVAL;
 807			}
 808			/* Pass through. */
 809		case 6:
 810			track->cb[i].cpp = 4;
 811			break;
 812		case 10:
 813			track->cb[i].cpp = 8;
 814			break;
 815		case 7:
 816			track->cb[i].cpp = 16;
 817			break;
 818		default:
 819			DRM_ERROR("Invalid color buffer format (%d) !\n",
 820				  ((idx_value >> 21) & 0xF));
 821			return -EINVAL;
 822		}
 823		track->cb_dirty = true;
 824		break;
 825	case 0x4F00:
 826		/* ZB_CNTL */
 827		if (idx_value & 2) {
 828			track->z_enabled = true;
 829		} else {
 830			track->z_enabled = false;
 831		}
 832		track->zb_dirty = true;
 833		break;
 834	case 0x4F10:
 835		/* ZB_FORMAT */
 836		switch ((idx_value & 0xF)) {
 837		case 0:
 838		case 1:
 839			track->zb.cpp = 2;
 840			break;
 841		case 2:
 842			track->zb.cpp = 4;
 843			break;
 844		default:
 845			DRM_ERROR("Invalid z buffer format (%d) !\n",
 846				  (idx_value & 0xF));
 847			return -EINVAL;
 848		}
 849		track->zb_dirty = true;
 850		break;
 851	case 0x4F24:
 852		/* ZB_DEPTHPITCH */
 853		r = r100_cs_packet_next_reloc(p, &reloc);
 854		if (r) {
 855			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 856				  idx, reg);
 857			r100_cs_dump_packet(p, pkt);
 858			return r;
 859		}
 860
 861		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 862			tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 863		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 864			tile_flags |= R300_DEPTHMICROTILE_TILED;
 865		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
 866			tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 867
 868		tmp = idx_value & ~(0x7 << 16);
 869		tmp |= tile_flags;
 870		ib[idx] = tmp;
 871
 
 
 
 
 
 
 
 
 
 
 
 872		track->zb.pitch = idx_value & 0x3FFC;
 873		track->zb_dirty = true;
 874		break;
 875	case 0x4104:
 876		/* TX_ENABLE */
 877		for (i = 0; i < 16; i++) {
 878			bool enabled;
 879
 880			enabled = !!(idx_value & (1 << i));
 881			track->textures[i].enabled = enabled;
 882		}
 883		track->tex_dirty = true;
 884		break;
 885	case 0x44C0:
 886	case 0x44C4:
 887	case 0x44C8:
 888	case 0x44CC:
 889	case 0x44D0:
 890	case 0x44D4:
 891	case 0x44D8:
 892	case 0x44DC:
 893	case 0x44E0:
 894	case 0x44E4:
 895	case 0x44E8:
 896	case 0x44EC:
 897	case 0x44F0:
 898	case 0x44F4:
 899	case 0x44F8:
 900	case 0x44FC:
 901		/* TX_FORMAT1_[0-15] */
 902		i = (reg - 0x44C0) >> 2;
 903		tmp = (idx_value >> 25) & 0x3;
 904		track->textures[i].tex_coord_type = tmp;
 905		switch ((idx_value & 0x1F)) {
 906		case R300_TX_FORMAT_X8:
 907		case R300_TX_FORMAT_Y4X4:
 908		case R300_TX_FORMAT_Z3Y3X2:
 909			track->textures[i].cpp = 1;
 910			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 911			break;
 912		case R300_TX_FORMAT_X16:
 913		case R300_TX_FORMAT_FL_I16:
 914		case R300_TX_FORMAT_Y8X8:
 915		case R300_TX_FORMAT_Z5Y6X5:
 916		case R300_TX_FORMAT_Z6Y5X5:
 917		case R300_TX_FORMAT_W4Z4Y4X4:
 918		case R300_TX_FORMAT_W1Z5Y5X5:
 919		case R300_TX_FORMAT_D3DMFT_CxV8U8:
 920		case R300_TX_FORMAT_B8G8_B8G8:
 921		case R300_TX_FORMAT_G8R8_G8B8:
 922			track->textures[i].cpp = 2;
 923			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 924			break;
 925		case R300_TX_FORMAT_Y16X16:
 926		case R300_TX_FORMAT_FL_I16A16:
 927		case R300_TX_FORMAT_Z11Y11X10:
 928		case R300_TX_FORMAT_Z10Y11X11:
 929		case R300_TX_FORMAT_W8Z8Y8X8:
 930		case R300_TX_FORMAT_W2Z10Y10X10:
 931		case 0x17:
 932		case R300_TX_FORMAT_FL_I32:
 933		case 0x1e:
 934			track->textures[i].cpp = 4;
 935			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 936			break;
 937		case R300_TX_FORMAT_W16Z16Y16X16:
 938		case R300_TX_FORMAT_FL_R16G16B16A16:
 939		case R300_TX_FORMAT_FL_I32A32:
 940			track->textures[i].cpp = 8;
 941			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 942			break;
 943		case R300_TX_FORMAT_FL_R32G32B32A32:
 944			track->textures[i].cpp = 16;
 945			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 946			break;
 947		case R300_TX_FORMAT_DXT1:
 948			track->textures[i].cpp = 1;
 949			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 950			break;
 951		case R300_TX_FORMAT_ATI2N:
 952			if (p->rdev->family < CHIP_R420) {
 953				DRM_ERROR("Invalid texture format %u\n",
 954					  (idx_value & 0x1F));
 955				return -EINVAL;
 956			}
 957			/* The same rules apply as for DXT3/5. */
 958			/* Pass through. */
 959		case R300_TX_FORMAT_DXT3:
 960		case R300_TX_FORMAT_DXT5:
 961			track->textures[i].cpp = 1;
 962			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
 963			break;
 964		default:
 965			DRM_ERROR("Invalid texture format %u\n",
 966				  (idx_value & 0x1F));
 967			return -EINVAL;
 968		}
 969		track->tex_dirty = true;
 970		break;
 971	case 0x4400:
 972	case 0x4404:
 973	case 0x4408:
 974	case 0x440C:
 975	case 0x4410:
 976	case 0x4414:
 977	case 0x4418:
 978	case 0x441C:
 979	case 0x4420:
 980	case 0x4424:
 981	case 0x4428:
 982	case 0x442C:
 983	case 0x4430:
 984	case 0x4434:
 985	case 0x4438:
 986	case 0x443C:
 987		/* TX_FILTER0_[0-15] */
 988		i = (reg - 0x4400) >> 2;
 989		tmp = idx_value & 0x7;
 990		if (tmp == 2 || tmp == 4 || tmp == 6) {
 991			track->textures[i].roundup_w = false;
 992		}
 993		tmp = (idx_value >> 3) & 0x7;
 994		if (tmp == 2 || tmp == 4 || tmp == 6) {
 995			track->textures[i].roundup_h = false;
 996		}
 997		track->tex_dirty = true;
 998		break;
 999	case 0x4500:
1000	case 0x4504:
1001	case 0x4508:
1002	case 0x450C:
1003	case 0x4510:
1004	case 0x4514:
1005	case 0x4518:
1006	case 0x451C:
1007	case 0x4520:
1008	case 0x4524:
1009	case 0x4528:
1010	case 0x452C:
1011	case 0x4530:
1012	case 0x4534:
1013	case 0x4538:
1014	case 0x453C:
1015		/* TX_FORMAT2_[0-15] */
1016		i = (reg - 0x4500) >> 2;
1017		tmp = idx_value & 0x3FFF;
1018		track->textures[i].pitch = tmp + 1;
1019		if (p->rdev->family >= CHIP_RV515) {
1020			tmp = ((idx_value >> 15) & 1) << 11;
1021			track->textures[i].width_11 = tmp;
1022			tmp = ((idx_value >> 16) & 1) << 11;
1023			track->textures[i].height_11 = tmp;
1024
1025			/* ATI1N */
1026			if (idx_value & (1 << 14)) {
1027				/* The same rules apply as for DXT1. */
1028				track->textures[i].compress_format =
1029					R100_TRACK_COMP_DXT1;
1030			}
1031		} else if (idx_value & (1 << 14)) {
1032			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1033			return -EINVAL;
1034		}
1035		track->tex_dirty = true;
1036		break;
1037	case 0x4480:
1038	case 0x4484:
1039	case 0x4488:
1040	case 0x448C:
1041	case 0x4490:
1042	case 0x4494:
1043	case 0x4498:
1044	case 0x449C:
1045	case 0x44A0:
1046	case 0x44A4:
1047	case 0x44A8:
1048	case 0x44AC:
1049	case 0x44B0:
1050	case 0x44B4:
1051	case 0x44B8:
1052	case 0x44BC:
1053		/* TX_FORMAT0_[0-15] */
1054		i = (reg - 0x4480) >> 2;
1055		tmp = idx_value & 0x7FF;
1056		track->textures[i].width = tmp + 1;
1057		tmp = (idx_value >> 11) & 0x7FF;
1058		track->textures[i].height = tmp + 1;
1059		tmp = (idx_value >> 26) & 0xF;
1060		track->textures[i].num_levels = tmp;
1061		tmp = idx_value & (1 << 31);
1062		track->textures[i].use_pitch = !!tmp;
1063		tmp = (idx_value >> 22) & 0xF;
1064		track->textures[i].txdepth = tmp;
1065		track->tex_dirty = true;
1066		break;
1067	case R300_ZB_ZPASS_ADDR:
1068		r = r100_cs_packet_next_reloc(p, &reloc);
1069		if (r) {
1070			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1071					idx, reg);
1072			r100_cs_dump_packet(p, pkt);
1073			return r;
1074		}
1075		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1076		break;
1077	case 0x4e0c:
1078		/* RB3D_COLOR_CHANNEL_MASK */
1079		track->color_channel_mask = idx_value;
1080		track->cb_dirty = true;
1081		break;
1082	case 0x43a4:
1083		/* SC_HYPERZ_EN */
1084		/* r300c emits this register - we need to disable hyperz for it
1085		 * without complaining */
1086		if (p->rdev->hyperz_filp != p->filp) {
1087			if (idx_value & 0x1)
1088				ib[idx] = idx_value & ~1;
1089		}
1090		break;
1091	case 0x4f1c:
1092		/* ZB_BW_CNTL */
1093		track->zb_cb_clear = !!(idx_value & (1 << 5));
1094		track->cb_dirty = true;
1095		track->zb_dirty = true;
1096		if (p->rdev->hyperz_filp != p->filp) {
1097			if (idx_value & (R300_HIZ_ENABLE |
1098					 R300_RD_COMP_ENABLE |
1099					 R300_WR_COMP_ENABLE |
1100					 R300_FAST_FILL_ENABLE))
1101				goto fail;
1102		}
1103		break;
1104	case 0x4e04:
1105		/* RB3D_BLENDCNTL */
1106		track->blend_read_enable = !!(idx_value & (1 << 2));
1107		track->cb_dirty = true;
1108		break;
1109	case R300_RB3D_AARESOLVE_OFFSET:
1110		r = r100_cs_packet_next_reloc(p, &reloc);
1111		if (r) {
1112			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1113				  idx, reg);
1114			r100_cs_dump_packet(p, pkt);
1115			return r;
1116		}
1117		track->aa.robj = reloc->robj;
1118		track->aa.offset = idx_value;
1119		track->aa_dirty = true;
1120		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1121		break;
1122	case R300_RB3D_AARESOLVE_PITCH:
1123		track->aa.pitch = idx_value & 0x3FFE;
1124		track->aa_dirty = true;
1125		break;
1126	case R300_RB3D_AARESOLVE_CTL:
1127		track->aaresolve = idx_value & 0x1;
1128		track->aa_dirty = true;
1129		break;
1130	case 0x4f30: /* ZB_MASK_OFFSET */
1131	case 0x4f34: /* ZB_ZMASK_PITCH */
1132	case 0x4f44: /* ZB_HIZ_OFFSET */
1133	case 0x4f54: /* ZB_HIZ_PITCH */
1134		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1135			goto fail;
1136		break;
1137	case 0x4028:
1138		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1139			goto fail;
1140		/* GB_Z_PEQ_CONFIG */
1141		if (p->rdev->family >= CHIP_RV350)
1142			break;
1143		goto fail;
1144		break;
1145	case 0x4be8:
1146		/* valid register only on RV530 */
1147		if (p->rdev->family == CHIP_RV530)
1148			break;
 
1149		/* fallthrough do not move */
1150	default:
1151		goto fail;
1152	}
1153	return 0;
1154fail:
1155	printk(KERN_ERR "Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1156	       reg, idx, idx_value);
1157	return -EINVAL;
1158}
1159
1160static int r300_packet3_check(struct radeon_cs_parser *p,
1161			      struct radeon_cs_packet *pkt)
1162{
1163	struct radeon_cs_reloc *reloc;
1164	struct r100_cs_track *track;
1165	volatile uint32_t *ib;
1166	unsigned idx;
1167	int r;
1168
1169	ib = p->ib->ptr;
1170	idx = pkt->idx + 1;
1171	track = (struct r100_cs_track *)p->track;
1172	switch(pkt->opcode) {
1173	case PACKET3_3D_LOAD_VBPNTR:
1174		r = r100_packet3_load_vbpntr(p, pkt, idx);
1175		if (r)
1176			return r;
1177		break;
1178	case PACKET3_INDX_BUFFER:
1179		r = r100_cs_packet_next_reloc(p, &reloc);
1180		if (r) {
1181			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1182			r100_cs_dump_packet(p, pkt);
1183			return r;
1184		}
1185		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
1186		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1187		if (r) {
1188			return r;
1189		}
1190		break;
1191	/* Draw packet */
1192	case PACKET3_3D_DRAW_IMMD:
1193		/* Number of dwords is vtx_size * (num_vertices - 1)
1194		 * PRIM_WALK must be equal to 3 vertex data in embedded
1195		 * in cmd stream */
1196		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1197			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1198			return -EINVAL;
1199		}
1200		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1201		track->immd_dwords = pkt->count - 1;
1202		r = r100_cs_track_check(p->rdev, track);
1203		if (r) {
1204			return r;
1205		}
1206		break;
1207	case PACKET3_3D_DRAW_IMMD_2:
1208		/* Number of dwords is vtx_size * (num_vertices - 1)
1209		 * PRIM_WALK must be equal to 3 vertex data in embedded
1210		 * in cmd stream */
1211		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1212			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1213			return -EINVAL;
1214		}
1215		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1216		track->immd_dwords = pkt->count;
1217		r = r100_cs_track_check(p->rdev, track);
1218		if (r) {
1219			return r;
1220		}
1221		break;
1222	case PACKET3_3D_DRAW_VBUF:
1223		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1224		r = r100_cs_track_check(p->rdev, track);
1225		if (r) {
1226			return r;
1227		}
1228		break;
1229	case PACKET3_3D_DRAW_VBUF_2:
1230		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1231		r = r100_cs_track_check(p->rdev, track);
1232		if (r) {
1233			return r;
1234		}
1235		break;
1236	case PACKET3_3D_DRAW_INDX:
1237		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1238		r = r100_cs_track_check(p->rdev, track);
1239		if (r) {
1240			return r;
1241		}
1242		break;
1243	case PACKET3_3D_DRAW_INDX_2:
1244		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1245		r = r100_cs_track_check(p->rdev, track);
1246		if (r) {
1247			return r;
1248		}
1249		break;
1250	case PACKET3_3D_CLEAR_HIZ:
1251	case PACKET3_3D_CLEAR_ZMASK:
1252		if (p->rdev->hyperz_filp != p->filp)
1253			return -EINVAL;
1254		break;
1255	case PACKET3_3D_CLEAR_CMASK:
1256		if (p->rdev->cmask_filp != p->filp)
1257			return -EINVAL;
1258		break;
1259	case PACKET3_NOP:
1260		break;
1261	default:
1262		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1263		return -EINVAL;
1264	}
1265	return 0;
1266}
1267
1268int r300_cs_parse(struct radeon_cs_parser *p)
1269{
1270	struct radeon_cs_packet pkt;
1271	struct r100_cs_track *track;
1272	int r;
1273
1274	track = kzalloc(sizeof(*track), GFP_KERNEL);
1275	if (track == NULL)
1276		return -ENOMEM;
1277	r100_cs_track_clear(p->rdev, track);
1278	p->track = track;
1279	do {
1280		r = r100_cs_packet_parse(p, &pkt, p->idx);
1281		if (r) {
1282			return r;
1283		}
1284		p->idx += pkt.count + 2;
1285		switch (pkt.type) {
1286		case PACKET_TYPE0:
1287			r = r100_cs_parse_packet0(p, &pkt,
1288						  p->rdev->config.r300.reg_safe_bm,
1289						  p->rdev->config.r300.reg_safe_bm_size,
1290						  &r300_packet0_check);
1291			break;
1292		case PACKET_TYPE2:
1293			break;
1294		case PACKET_TYPE3:
1295			r = r300_packet3_check(p, &pkt);
1296			break;
1297		default:
1298			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1299			return -EINVAL;
1300		}
1301		if (r) {
1302			return r;
1303		}
1304	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1305	return 0;
1306}
1307
1308void r300_set_reg_safe(struct radeon_device *rdev)
1309{
1310	rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1311	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1312}
1313
1314void r300_mc_program(struct radeon_device *rdev)
1315{
1316	struct r100_mc_save save;
1317	int r;
1318
1319	r = r100_debugfs_mc_info_init(rdev);
1320	if (r) {
1321		dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1322	}
1323
1324	/* Stops all mc clients */
1325	r100_mc_stop(rdev, &save);
1326	if (rdev->flags & RADEON_IS_AGP) {
1327		WREG32(R_00014C_MC_AGP_LOCATION,
1328			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1329			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1330		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1331		WREG32(R_00015C_AGP_BASE_2,
1332			upper_32_bits(rdev->mc.agp_base) & 0xff);
1333	} else {
1334		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1335		WREG32(R_000170_AGP_BASE, 0);
1336		WREG32(R_00015C_AGP_BASE_2, 0);
1337	}
1338	/* Wait for mc idle */
1339	if (r300_mc_wait_for_idle(rdev))
1340		DRM_INFO("Failed to wait MC idle before programming MC.\n");
1341	/* Program MC, should be a 32bits limited address space */
1342	WREG32(R_000148_MC_FB_LOCATION,
1343		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1344		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1345	r100_mc_resume(rdev, &save);
1346}
1347
1348void r300_clock_startup(struct radeon_device *rdev)
1349{
1350	u32 tmp;
1351
1352	if (radeon_dynclks != -1 && radeon_dynclks)
1353		radeon_legacy_set_clock_gating(rdev, 1);
1354	/* We need to force on some of the block */
1355	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1356	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1357	if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1358		tmp |= S_00000D_FORCE_VAP(1);
1359	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1360}
1361
1362static int r300_startup(struct radeon_device *rdev)
1363{
1364	int r;
1365
1366	/* set common regs */
1367	r100_set_common_regs(rdev);
1368	/* program mc */
1369	r300_mc_program(rdev);
1370	/* Resume clock */
1371	r300_clock_startup(rdev);
1372	/* Initialize GPU configuration (# pipes, ...) */
1373	r300_gpu_init(rdev);
1374	/* Initialize GART (initialize after TTM so we can allocate
1375	 * memory through TTM but finalize after TTM) */
1376	if (rdev->flags & RADEON_IS_PCIE) {
1377		r = rv370_pcie_gart_enable(rdev);
1378		if (r)
1379			return r;
1380	}
1381
1382	if (rdev->family == CHIP_R300 ||
1383	    rdev->family == CHIP_R350 ||
1384	    rdev->family == CHIP_RV350)
1385		r100_enable_bm(rdev);
1386
1387	if (rdev->flags & RADEON_IS_PCI) {
1388		r = r100_pci_gart_enable(rdev);
1389		if (r)
1390			return r;
1391	}
1392
1393	/* allocate wb buffer */
1394	r = radeon_wb_init(rdev);
1395	if (r)
1396		return r;
1397
 
 
 
 
 
 
1398	/* Enable IRQ */
 
 
 
 
 
 
1399	r100_irq_set(rdev);
1400	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1401	/* 1M ring buffer */
1402	r = r100_cp_init(rdev, 1024 * 1024);
1403	if (r) {
1404		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1405		return r;
1406	}
1407	r = r100_ib_init(rdev);
 
1408	if (r) {
1409		dev_err(rdev->dev, "failed initializing IB (%d).\n", r);
1410		return r;
1411	}
 
1412	return 0;
1413}
1414
1415int r300_resume(struct radeon_device *rdev)
1416{
 
 
1417	/* Make sur GART are not working */
1418	if (rdev->flags & RADEON_IS_PCIE)
1419		rv370_pcie_gart_disable(rdev);
1420	if (rdev->flags & RADEON_IS_PCI)
1421		r100_pci_gart_disable(rdev);
1422	/* Resume clock before doing reset */
1423	r300_clock_startup(rdev);
1424	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1425	if (radeon_asic_reset(rdev)) {
1426		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1427			RREG32(R_000E40_RBBM_STATUS),
1428			RREG32(R_0007C0_CP_STAT));
1429	}
1430	/* post */
1431	radeon_combios_asic_init(rdev->ddev);
1432	/* Resume clock after posting */
1433	r300_clock_startup(rdev);
1434	/* Initialize surface registers */
1435	radeon_surface_init(rdev);
1436	return r300_startup(rdev);
 
 
 
 
 
 
1437}
1438
1439int r300_suspend(struct radeon_device *rdev)
1440{
 
1441	r100_cp_disable(rdev);
1442	radeon_wb_disable(rdev);
1443	r100_irq_disable(rdev);
1444	if (rdev->flags & RADEON_IS_PCIE)
1445		rv370_pcie_gart_disable(rdev);
1446	if (rdev->flags & RADEON_IS_PCI)
1447		r100_pci_gart_disable(rdev);
1448	return 0;
1449}
1450
1451void r300_fini(struct radeon_device *rdev)
1452{
 
1453	r100_cp_fini(rdev);
1454	radeon_wb_fini(rdev);
1455	r100_ib_fini(rdev);
1456	radeon_gem_fini(rdev);
1457	if (rdev->flags & RADEON_IS_PCIE)
1458		rv370_pcie_gart_fini(rdev);
1459	if (rdev->flags & RADEON_IS_PCI)
1460		r100_pci_gart_fini(rdev);
1461	radeon_agp_fini(rdev);
1462	radeon_irq_kms_fini(rdev);
1463	radeon_fence_driver_fini(rdev);
1464	radeon_bo_fini(rdev);
1465	radeon_atombios_fini(rdev);
1466	kfree(rdev->bios);
1467	rdev->bios = NULL;
1468}
1469
1470int r300_init(struct radeon_device *rdev)
1471{
1472	int r;
1473
1474	/* Disable VGA */
1475	r100_vga_render_disable(rdev);
1476	/* Initialize scratch registers */
1477	radeon_scratch_init(rdev);
1478	/* Initialize surface registers */
1479	radeon_surface_init(rdev);
1480	/* TODO: disable VGA need to use VGA request */
1481	/* restore some register to sane defaults */
1482	r100_restore_sanity(rdev);
1483	/* BIOS*/
1484	if (!radeon_get_bios(rdev)) {
1485		if (ASIC_IS_AVIVO(rdev))
1486			return -EINVAL;
1487	}
1488	if (rdev->is_atom_bios) {
1489		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1490		return -EINVAL;
1491	} else {
1492		r = radeon_combios_init(rdev);
1493		if (r)
1494			return r;
1495	}
1496	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1497	if (radeon_asic_reset(rdev)) {
1498		dev_warn(rdev->dev,
1499			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1500			RREG32(R_000E40_RBBM_STATUS),
1501			RREG32(R_0007C0_CP_STAT));
1502	}
1503	/* check if cards are posted or not */
1504	if (radeon_boot_test_post_card(rdev) == false)
1505		return -EINVAL;
1506	/* Set asic errata */
1507	r300_errata(rdev);
1508	/* Initialize clocks */
1509	radeon_get_clock_info(rdev->ddev);
1510	/* initialize AGP */
1511	if (rdev->flags & RADEON_IS_AGP) {
1512		r = radeon_agp_init(rdev);
1513		if (r) {
1514			radeon_agp_disable(rdev);
1515		}
1516	}
1517	/* initialize memory controller */
1518	r300_mc_init(rdev);
1519	/* Fence driver */
1520	r = radeon_fence_driver_init(rdev);
1521	if (r)
1522		return r;
1523	r = radeon_irq_kms_init(rdev);
1524	if (r)
1525		return r;
1526	/* Memory manager */
1527	r = radeon_bo_init(rdev);
1528	if (r)
1529		return r;
1530	if (rdev->flags & RADEON_IS_PCIE) {
1531		r = rv370_pcie_gart_init(rdev);
1532		if (r)
1533			return r;
1534	}
1535	if (rdev->flags & RADEON_IS_PCI) {
1536		r = r100_pci_gart_init(rdev);
1537		if (r)
1538			return r;
1539	}
1540	r300_set_reg_safe(rdev);
 
 
 
 
1541	rdev->accel_working = true;
1542	r = r300_startup(rdev);
1543	if (r) {
1544		/* Somethings want wront with the accel init stop accel */
1545		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1546		r100_cp_fini(rdev);
1547		radeon_wb_fini(rdev);
1548		r100_ib_fini(rdev);
1549		radeon_irq_kms_fini(rdev);
1550		if (rdev->flags & RADEON_IS_PCIE)
1551			rv370_pcie_gart_fini(rdev);
1552		if (rdev->flags & RADEON_IS_PCI)
1553			r100_pci_gart_fini(rdev);
1554		radeon_agp_fini(rdev);
1555		rdev->accel_working = false;
1556	}
1557	return 0;
1558}
v6.8
   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_device.h>
  35#include <drm/drm_file.h>
  36#include <drm/radeon_drm.h>
  37
 
  38#include "r100_track.h"
  39#include "r300_reg_safe.h"
  40#include "r300d.h"
  41#include "radeon.h"
  42#include "radeon_asic.h"
  43#include "radeon_reg.h"
  44#include "rv350d.h"
 
  45
  46/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
  47 *
  48 * GPU Errata:
  49 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
  50 *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
  51 *   However, scheduling such write to the ring seems harmless, i suspect
  52 *   the CP read collide with the flush somehow, or maybe the MC, hard to
  53 *   tell. (Jerome Glisse)
  54 */
  55
  56/*
  57 * Indirect registers accessor
  58 */
  59uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
  60{
  61	unsigned long flags;
  62	uint32_t r;
  63
  64	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  65	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  66	r = RREG32(RADEON_PCIE_DATA);
  67	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  68	return r;
  69}
  70
  71void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
  72{
  73	unsigned long flags;
  74
  75	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  76	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  77	WREG32(RADEON_PCIE_DATA, (v));
  78	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  79}
  80
  81/*
  82 * rv370,rv380 PCIE GART
  83 */
  84static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
  85
  86void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
  87{
  88	uint32_t tmp;
  89	int i;
  90
  91	/* Workaround HW bug do flush 2 times */
  92	for (i = 0; i < 2; i++) {
  93		tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  94		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
  95		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  96		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
  97	}
  98	mb();
  99}
 100
 101#define R300_PTE_UNSNOOPED (1 << 0)
 102#define R300_PTE_WRITEABLE (1 << 2)
 103#define R300_PTE_READABLE  (1 << 3)
 104
 105uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
 106{
 
 
 
 
 
 107	addr = (lower_32_bits(addr) >> 8) |
 108		((upper_32_bits(addr) & 0xff) << 24);
 109	if (flags & RADEON_GART_PAGE_READ)
 110		addr |= R300_PTE_READABLE;
 111	if (flags & RADEON_GART_PAGE_WRITE)
 112		addr |= R300_PTE_WRITEABLE;
 113	if (!(flags & RADEON_GART_PAGE_SNOOP))
 114		addr |= R300_PTE_UNSNOOPED;
 115	return addr;
 116}
 117
 118void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
 119			      uint64_t entry)
 120{
 121	void __iomem *ptr = rdev->gart.ptr;
 122
 123	/* on x86 we want this to be CPU endian, on powerpc
 124	 * on powerpc without HW swappers, it'll get swapped on way
 125	 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
 126	writel(entry, ((void __iomem *)ptr) + (i * 4));
 
 127}
 128
 129int rv370_pcie_gart_init(struct radeon_device *rdev)
 130{
 131	int r;
 132
 133	if (rdev->gart.robj) {
 134		WARN(1, "RV370 PCIE GART already initialized\n");
 135		return 0;
 136	}
 137	/* Initialize common gart structure */
 138	r = radeon_gart_init(rdev);
 139	if (r)
 140		return r;
 141	rv370_debugfs_pcie_gart_info_init(rdev);
 142
 
 143	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 144	rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
 145	rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
 146	rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
 147	return radeon_gart_table_vram_alloc(rdev);
 148}
 149
 150int rv370_pcie_gart_enable(struct radeon_device *rdev)
 151{
 152	uint32_t table_addr;
 153	uint32_t tmp;
 154	int r;
 155
 156	if (rdev->gart.robj == NULL) {
 157		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 158		return -EINVAL;
 159	}
 160	r = radeon_gart_table_vram_pin(rdev);
 161	if (r)
 162		return r;
 
 163	/* discard memory request outside of configured range */
 164	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 165	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 166	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
 167	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
 168	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 169	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 170	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 171	table_addr = rdev->gart.table_addr;
 172	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 173	/* FIXME: setup default page */
 174	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
 175	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 176	/* Clear error */
 177	WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
 178	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 179	tmp |= RADEON_PCIE_TX_GART_EN;
 180	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 181	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 182	rv370_pcie_gart_tlb_flush(rdev);
 183	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 184		 (unsigned)(rdev->mc.gtt_size >> 20),
 185		 (unsigned long long)table_addr);
 186	rdev->gart.ready = true;
 187	return 0;
 188}
 189
 190void rv370_pcie_gart_disable(struct radeon_device *rdev)
 191{
 192	u32 tmp;
 
 193
 194	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
 195	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
 196	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 197	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 198	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 199	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 200	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
 201	radeon_gart_table_vram_unpin(rdev);
 
 
 
 
 
 
 
 202}
 203
 204void rv370_pcie_gart_fini(struct radeon_device *rdev)
 205{
 206	radeon_gart_fini(rdev);
 207	rv370_pcie_gart_disable(rdev);
 208	radeon_gart_table_vram_free(rdev);
 209}
 210
 211void r300_fence_ring_emit(struct radeon_device *rdev,
 212			  struct radeon_fence *fence)
 213{
 214	struct radeon_ring *ring = &rdev->ring[fence->ring];
 215
 216	/* Who ever call radeon_fence_emit should call ring_lock and ask
 217	 * for enough space (today caller are ib schedule and buffer move) */
 218	/* Write SC register so SC & US assert idle */
 219	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
 220	radeon_ring_write(ring, 0);
 221	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
 222	radeon_ring_write(ring, 0);
 223	/* Flush 3D cache */
 224	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 225	radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
 226	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 227	radeon_ring_write(ring, R300_ZC_FLUSH);
 228	/* Wait until IDLE & CLEAN */
 229	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 230	radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
 231				 RADEON_WAIT_2D_IDLECLEAN |
 232				 RADEON_WAIT_DMA_GUI_IDLE));
 233	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 234	radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
 235				RADEON_HDP_READ_BUFFER_INVALIDATE);
 236	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 237	radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
 238	/* Emit fence sequence & fire IRQ */
 239	radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 240	radeon_ring_write(ring, fence->seq);
 241	radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 242	radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 243}
 244
 245void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 246{
 247	unsigned gb_tile_config;
 248	int r;
 249
 250	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
 251	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 252	switch (rdev->num_gb_pipes) {
 253	case 2:
 254		gb_tile_config |= R300_PIPE_COUNT_R300;
 255		break;
 256	case 3:
 257		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 258		break;
 259	case 4:
 260		gb_tile_config |= R300_PIPE_COUNT_R420;
 261		break;
 262	case 1:
 263	default:
 264		gb_tile_config |= R300_PIPE_COUNT_RV350;
 265		break;
 266	}
 267
 268	r = radeon_ring_lock(rdev, ring, 64);
 269	if (r) {
 270		return;
 271	}
 272	radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 273	radeon_ring_write(ring,
 274			  RADEON_ISYNC_ANY2D_IDLE3D |
 275			  RADEON_ISYNC_ANY3D_IDLE2D |
 276			  RADEON_ISYNC_WAIT_IDLEGUI |
 277			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 278	radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
 279	radeon_ring_write(ring, gb_tile_config);
 280	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 281	radeon_ring_write(ring,
 282			  RADEON_WAIT_2D_IDLECLEAN |
 283			  RADEON_WAIT_3D_IDLECLEAN);
 284	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
 285	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
 286	radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
 287	radeon_ring_write(ring, 0);
 288	radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
 289	radeon_ring_write(ring, 0);
 290	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 291	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 292	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 293	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 294	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 295	radeon_ring_write(ring,
 296			  RADEON_WAIT_2D_IDLECLEAN |
 297			  RADEON_WAIT_3D_IDLECLEAN);
 298	radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
 299	radeon_ring_write(ring, 0);
 300	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 301	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 302	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 303	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 304	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
 305	radeon_ring_write(ring,
 306			  ((6 << R300_MS_X0_SHIFT) |
 307			   (6 << R300_MS_Y0_SHIFT) |
 308			   (6 << R300_MS_X1_SHIFT) |
 309			   (6 << R300_MS_Y1_SHIFT) |
 310			   (6 << R300_MS_X2_SHIFT) |
 311			   (6 << R300_MS_Y2_SHIFT) |
 312			   (6 << R300_MSBD0_Y_SHIFT) |
 313			   (6 << R300_MSBD0_X_SHIFT)));
 314	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
 315	radeon_ring_write(ring,
 316			  ((6 << R300_MS_X3_SHIFT) |
 317			   (6 << R300_MS_Y3_SHIFT) |
 318			   (6 << R300_MS_X4_SHIFT) |
 319			   (6 << R300_MS_Y4_SHIFT) |
 320			   (6 << R300_MS_X5_SHIFT) |
 321			   (6 << R300_MS_Y5_SHIFT) |
 322			   (6 << R300_MSBD1_SHIFT)));
 323	radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
 324	radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
 325	radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
 326	radeon_ring_write(ring,
 327			  R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
 328	radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
 329	radeon_ring_write(ring,
 330			  R300_GEOMETRY_ROUND_NEAREST |
 331			  R300_COLOR_ROUND_NEAREST);
 332	radeon_ring_unlock_commit(rdev, ring, false);
 333}
 334
 335static void r300_errata(struct radeon_device *rdev)
 336{
 337	rdev->pll_errata = 0;
 338
 339	if (rdev->family == CHIP_R300 &&
 340	    (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
 341		rdev->pll_errata |= CHIP_ERRATA_R300_CG;
 342	}
 343}
 344
 345int r300_mc_wait_for_idle(struct radeon_device *rdev)
 346{
 347	unsigned i;
 348	uint32_t tmp;
 349
 350	for (i = 0; i < rdev->usec_timeout; i++) {
 351		/* read MC_STATUS */
 352		tmp = RREG32(RADEON_MC_STATUS);
 353		if (tmp & R300_MC_IDLE) {
 354			return 0;
 355		}
 356		udelay(1);
 357	}
 358	return -1;
 359}
 360
 361static void r300_gpu_init(struct radeon_device *rdev)
 362{
 363	uint32_t gb_tile_config, tmp;
 364
 365	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
 366	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
 367		/* r300,r350 */
 368		rdev->num_gb_pipes = 2;
 369	} else {
 370		/* rv350,rv370,rv380,r300 AD, r350 AH */
 371		rdev->num_gb_pipes = 1;
 372	}
 373	rdev->num_z_pipes = 1;
 374	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 375	switch (rdev->num_gb_pipes) {
 376	case 2:
 377		gb_tile_config |= R300_PIPE_COUNT_R300;
 378		break;
 379	case 3:
 380		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 381		break;
 382	case 4:
 383		gb_tile_config |= R300_PIPE_COUNT_R420;
 384		break;
 385	default:
 386	case 1:
 387		gb_tile_config |= R300_PIPE_COUNT_RV350;
 388		break;
 389	}
 390	WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
 391
 392	if (r100_gui_wait_for_idle(rdev)) {
 393		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 
 394	}
 395
 396	tmp = RREG32(R300_DST_PIPE_CONFIG);
 397	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 398
 399	WREG32(R300_RB2D_DSTCACHE_MODE,
 400	       R300_DC_AUTOFLUSH_ENABLE |
 401	       R300_DC_DC_DISABLE_IGNORE_PE);
 402
 403	if (r100_gui_wait_for_idle(rdev)) {
 404		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 
 405	}
 406	if (r300_mc_wait_for_idle(rdev)) {
 407		pr_warn("Failed to wait MC idle while 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, bool hard)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 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_show(struct seq_file *m, void *unused)
 591{
 592	struct radeon_device *rdev = m->private;
 
 
 593	uint32_t tmp;
 594
 595	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 596	seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
 597	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
 598	seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
 599	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
 600	seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
 601	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
 602	seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
 603	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
 604	seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
 605	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
 606	seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
 607	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
 608	seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
 609	return 0;
 610}
 611
 612DEFINE_SHOW_ATTRIBUTE(rv370_debugfs_pcie_gart_info);
 
 
 613#endif
 614
 615static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 616{
 617#if defined(CONFIG_DEBUG_FS)
 618	struct dentry *root = rdev->ddev->primary->debugfs_root;
 619
 620	debugfs_create_file("rv370_pcie_gart_info", 0444, root, rdev,
 621			    &rv370_debugfs_pcie_gart_info_fops);
 622#endif
 623}
 624
 625static int r300_packet0_check(struct radeon_cs_parser *p,
 626		struct radeon_cs_packet *pkt,
 627		unsigned idx, unsigned reg)
 628{
 629	struct radeon_bo_list *reloc;
 630	struct r100_cs_track *track;
 631	volatile uint32_t *ib;
 632	uint32_t tmp, tile_flags = 0;
 633	unsigned i;
 634	int r;
 635	u32 idx_value;
 636
 637	ib = p->ib.ptr;
 638	track = (struct r100_cs_track *)p->track;
 639	idx_value = radeon_get_ib_value(p, idx);
 640
 641	switch (reg) {
 642	case AVIVO_D1MODE_VLINE_START_END:
 643	case RADEON_CRTC_GUI_TRIG_VLINE:
 644		r = r100_cs_packet_parse_vline(p);
 645		if (r) {
 646			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 647					idx, reg);
 648			radeon_cs_dump_packet(p, pkt);
 649			return r;
 650		}
 651		break;
 652	case RADEON_DST_PITCH_OFFSET:
 653	case RADEON_SRC_PITCH_OFFSET:
 654		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 655		if (r)
 656			return r;
 657		break;
 658	case R300_RB3D_COLOROFFSET0:
 659	case R300_RB3D_COLOROFFSET1:
 660	case R300_RB3D_COLOROFFSET2:
 661	case R300_RB3D_COLOROFFSET3:
 662		i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
 663		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 664		if (r) {
 665			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 666					idx, reg);
 667			radeon_cs_dump_packet(p, pkt);
 668			return r;
 669		}
 670		track->cb[i].robj = reloc->robj;
 671		track->cb[i].offset = idx_value;
 672		track->cb_dirty = true;
 673		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 674		break;
 675	case R300_ZB_DEPTHOFFSET:
 676		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 677		if (r) {
 678			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 679					idx, reg);
 680			radeon_cs_dump_packet(p, pkt);
 681			return r;
 682		}
 683		track->zb.robj = reloc->robj;
 684		track->zb.offset = idx_value;
 685		track->zb_dirty = true;
 686		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 687		break;
 688	case R300_TX_OFFSET_0:
 689	case R300_TX_OFFSET_0+4:
 690	case R300_TX_OFFSET_0+8:
 691	case R300_TX_OFFSET_0+12:
 692	case R300_TX_OFFSET_0+16:
 693	case R300_TX_OFFSET_0+20:
 694	case R300_TX_OFFSET_0+24:
 695	case R300_TX_OFFSET_0+28:
 696	case R300_TX_OFFSET_0+32:
 697	case R300_TX_OFFSET_0+36:
 698	case R300_TX_OFFSET_0+40:
 699	case R300_TX_OFFSET_0+44:
 700	case R300_TX_OFFSET_0+48:
 701	case R300_TX_OFFSET_0+52:
 702	case R300_TX_OFFSET_0+56:
 703	case R300_TX_OFFSET_0+60:
 704		i = (reg - R300_TX_OFFSET_0) >> 2;
 705		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 706		if (r) {
 707			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 708					idx, reg);
 709			radeon_cs_dump_packet(p, pkt);
 710			return r;
 711		}
 712
 713		if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
 714			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
 715				  ((idx_value & ~31) + (u32)reloc->gpu_offset);
 716		} else {
 717			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 718				tile_flags |= R300_TXO_MACRO_TILE;
 719			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 720				tile_flags |= R300_TXO_MICRO_TILE;
 721			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 722				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 723
 724			tmp = idx_value + ((u32)reloc->gpu_offset);
 725			tmp |= tile_flags;
 726			ib[idx] = tmp;
 727		}
 728		track->textures[i].robj = reloc->robj;
 729		track->tex_dirty = true;
 730		break;
 731	/* Tracked registers */
 732	case 0x2084:
 733		/* VAP_VF_CNTL */
 734		track->vap_vf_cntl = idx_value;
 735		break;
 736	case 0x20B4:
 737		/* VAP_VTX_SIZE */
 738		track->vtx_size = idx_value & 0x7F;
 739		break;
 740	case 0x2134:
 741		/* VAP_VF_MAX_VTX_INDX */
 742		track->max_indx = idx_value & 0x00FFFFFFUL;
 743		break;
 744	case 0x2088:
 745		/* VAP_ALT_NUM_VERTICES - only valid on r500 */
 746		if (p->rdev->family < CHIP_RV515)
 747			goto fail;
 748		track->vap_alt_nverts = idx_value & 0xFFFFFF;
 749		break;
 750	case 0x43E4:
 751		/* SC_SCISSOR1 */
 752		track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
 753		if (p->rdev->family < CHIP_RV515) {
 754			track->maxy -= 1440;
 755		}
 756		track->cb_dirty = true;
 757		track->zb_dirty = true;
 758		break;
 759	case 0x4E00:
 760		/* RB3D_CCTL */
 761		if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
 762		    p->rdev->cmask_filp != p->filp) {
 763			DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
 764			return -EINVAL;
 765		}
 766		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
 767		track->cb_dirty = true;
 768		break;
 769	case 0x4E38:
 770	case 0x4E3C:
 771	case 0x4E40:
 772	case 0x4E44:
 773		/* RB3D_COLORPITCH0 */
 774		/* RB3D_COLORPITCH1 */
 775		/* RB3D_COLORPITCH2 */
 776		/* RB3D_COLORPITCH3 */
 777		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 778			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 779			if (r) {
 780				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 781					  idx, reg);
 782				radeon_cs_dump_packet(p, pkt);
 783				return r;
 784			}
 
 
 
 
 
 
 785
 786			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 787				tile_flags |= R300_COLOR_TILE_ENABLE;
 788			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 789				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
 790			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 791				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 792
 793			tmp = idx_value & ~(0x7 << 16);
 794			tmp |= tile_flags;
 795			ib[idx] = tmp;
 796		}
 797		i = (reg - 0x4E38) >> 2;
 798		track->cb[i].pitch = idx_value & 0x3FFE;
 799		switch (((idx_value >> 21) & 0xF)) {
 800		case 9:
 801		case 11:
 802		case 12:
 803			track->cb[i].cpp = 1;
 804			break;
 805		case 3:
 806		case 4:
 807		case 13:
 808		case 15:
 809			track->cb[i].cpp = 2;
 810			break;
 811		case 5:
 812			if (p->rdev->family < CHIP_RV515) {
 813				DRM_ERROR("Invalid color buffer format (%d)!\n",
 814					  ((idx_value >> 21) & 0xF));
 815				return -EINVAL;
 816			}
 817			fallthrough;
 818		case 6:
 819			track->cb[i].cpp = 4;
 820			break;
 821		case 10:
 822			track->cb[i].cpp = 8;
 823			break;
 824		case 7:
 825			track->cb[i].cpp = 16;
 826			break;
 827		default:
 828			DRM_ERROR("Invalid color buffer format (%d) !\n",
 829				  ((idx_value >> 21) & 0xF));
 830			return -EINVAL;
 831		}
 832		track->cb_dirty = true;
 833		break;
 834	case 0x4F00:
 835		/* ZB_CNTL */
 836		if (idx_value & 2) {
 837			track->z_enabled = true;
 838		} else {
 839			track->z_enabled = false;
 840		}
 841		track->zb_dirty = true;
 842		break;
 843	case 0x4F10:
 844		/* ZB_FORMAT */
 845		switch ((idx_value & 0xF)) {
 846		case 0:
 847		case 1:
 848			track->zb.cpp = 2;
 849			break;
 850		case 2:
 851			track->zb.cpp = 4;
 852			break;
 853		default:
 854			DRM_ERROR("Invalid z buffer format (%d) !\n",
 855				  (idx_value & 0xF));
 856			return -EINVAL;
 857		}
 858		track->zb_dirty = true;
 859		break;
 860	case 0x4F24:
 861		/* ZB_DEPTHPITCH */
 862		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 863			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 864			if (r) {
 865				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 866					  idx, reg);
 867				radeon_cs_dump_packet(p, pkt);
 868				return r;
 869			}
 
 
 
 
 
 
 
 
 
 
 870
 871			if (reloc->tiling_flags & RADEON_TILING_MACRO)
 872				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 873			if (reloc->tiling_flags & RADEON_TILING_MICRO)
 874				tile_flags |= R300_DEPTHMICROTILE_TILED;
 875			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 876				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 877
 878			tmp = idx_value & ~(0x7 << 16);
 879			tmp |= tile_flags;
 880			ib[idx] = tmp;
 881		}
 882		track->zb.pitch = idx_value & 0x3FFC;
 883		track->zb_dirty = true;
 884		break;
 885	case 0x4104:
 886		/* TX_ENABLE */
 887		for (i = 0; i < 16; i++) {
 888			bool enabled;
 889
 890			enabled = !!(idx_value & (1 << i));
 891			track->textures[i].enabled = enabled;
 892		}
 893		track->tex_dirty = true;
 894		break;
 895	case 0x44C0:
 896	case 0x44C4:
 897	case 0x44C8:
 898	case 0x44CC:
 899	case 0x44D0:
 900	case 0x44D4:
 901	case 0x44D8:
 902	case 0x44DC:
 903	case 0x44E0:
 904	case 0x44E4:
 905	case 0x44E8:
 906	case 0x44EC:
 907	case 0x44F0:
 908	case 0x44F4:
 909	case 0x44F8:
 910	case 0x44FC:
 911		/* TX_FORMAT1_[0-15] */
 912		i = (reg - 0x44C0) >> 2;
 913		tmp = (idx_value >> 25) & 0x3;
 914		track->textures[i].tex_coord_type = tmp;
 915		switch ((idx_value & 0x1F)) {
 916		case R300_TX_FORMAT_X8:
 917		case R300_TX_FORMAT_Y4X4:
 918		case R300_TX_FORMAT_Z3Y3X2:
 919			track->textures[i].cpp = 1;
 920			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 921			break;
 922		case R300_TX_FORMAT_X16:
 923		case R300_TX_FORMAT_FL_I16:
 924		case R300_TX_FORMAT_Y8X8:
 925		case R300_TX_FORMAT_Z5Y6X5:
 926		case R300_TX_FORMAT_Z6Y5X5:
 927		case R300_TX_FORMAT_W4Z4Y4X4:
 928		case R300_TX_FORMAT_W1Z5Y5X5:
 929		case R300_TX_FORMAT_D3DMFT_CxV8U8:
 930		case R300_TX_FORMAT_B8G8_B8G8:
 931		case R300_TX_FORMAT_G8R8_G8B8:
 932			track->textures[i].cpp = 2;
 933			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 934			break;
 935		case R300_TX_FORMAT_Y16X16:
 936		case R300_TX_FORMAT_FL_I16A16:
 937		case R300_TX_FORMAT_Z11Y11X10:
 938		case R300_TX_FORMAT_Z10Y11X11:
 939		case R300_TX_FORMAT_W8Z8Y8X8:
 940		case R300_TX_FORMAT_W2Z10Y10X10:
 941		case 0x17:
 942		case R300_TX_FORMAT_FL_I32:
 943		case 0x1e:
 944			track->textures[i].cpp = 4;
 945			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 946			break;
 947		case R300_TX_FORMAT_W16Z16Y16X16:
 948		case R300_TX_FORMAT_FL_R16G16B16A16:
 949		case R300_TX_FORMAT_FL_I32A32:
 950			track->textures[i].cpp = 8;
 951			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 952			break;
 953		case R300_TX_FORMAT_FL_R32G32B32A32:
 954			track->textures[i].cpp = 16;
 955			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 956			break;
 957		case R300_TX_FORMAT_DXT1:
 958			track->textures[i].cpp = 1;
 959			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 960			break;
 961		case R300_TX_FORMAT_ATI2N:
 962			if (p->rdev->family < CHIP_R420) {
 963				DRM_ERROR("Invalid texture format %u\n",
 964					  (idx_value & 0x1F));
 965				return -EINVAL;
 966			}
 967			/* The same rules apply as for DXT3/5. */
 968			fallthrough;
 969		case R300_TX_FORMAT_DXT3:
 970		case R300_TX_FORMAT_DXT5:
 971			track->textures[i].cpp = 1;
 972			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
 973			break;
 974		default:
 975			DRM_ERROR("Invalid texture format %u\n",
 976				  (idx_value & 0x1F));
 977			return -EINVAL;
 978		}
 979		track->tex_dirty = true;
 980		break;
 981	case 0x4400:
 982	case 0x4404:
 983	case 0x4408:
 984	case 0x440C:
 985	case 0x4410:
 986	case 0x4414:
 987	case 0x4418:
 988	case 0x441C:
 989	case 0x4420:
 990	case 0x4424:
 991	case 0x4428:
 992	case 0x442C:
 993	case 0x4430:
 994	case 0x4434:
 995	case 0x4438:
 996	case 0x443C:
 997		/* TX_FILTER0_[0-15] */
 998		i = (reg - 0x4400) >> 2;
 999		tmp = idx_value & 0x7;
1000		if (tmp == 2 || tmp == 4 || tmp == 6) {
1001			track->textures[i].roundup_w = false;
1002		}
1003		tmp = (idx_value >> 3) & 0x7;
1004		if (tmp == 2 || tmp == 4 || tmp == 6) {
1005			track->textures[i].roundup_h = false;
1006		}
1007		track->tex_dirty = true;
1008		break;
1009	case 0x4500:
1010	case 0x4504:
1011	case 0x4508:
1012	case 0x450C:
1013	case 0x4510:
1014	case 0x4514:
1015	case 0x4518:
1016	case 0x451C:
1017	case 0x4520:
1018	case 0x4524:
1019	case 0x4528:
1020	case 0x452C:
1021	case 0x4530:
1022	case 0x4534:
1023	case 0x4538:
1024	case 0x453C:
1025		/* TX_FORMAT2_[0-15] */
1026		i = (reg - 0x4500) >> 2;
1027		tmp = idx_value & 0x3FFF;
1028		track->textures[i].pitch = tmp + 1;
1029		if (p->rdev->family >= CHIP_RV515) {
1030			tmp = ((idx_value >> 15) & 1) << 11;
1031			track->textures[i].width_11 = tmp;
1032			tmp = ((idx_value >> 16) & 1) << 11;
1033			track->textures[i].height_11 = tmp;
1034
1035			/* ATI1N */
1036			if (idx_value & (1 << 14)) {
1037				/* The same rules apply as for DXT1. */
1038				track->textures[i].compress_format =
1039					R100_TRACK_COMP_DXT1;
1040			}
1041		} else if (idx_value & (1 << 14)) {
1042			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1043			return -EINVAL;
1044		}
1045		track->tex_dirty = true;
1046		break;
1047	case 0x4480:
1048	case 0x4484:
1049	case 0x4488:
1050	case 0x448C:
1051	case 0x4490:
1052	case 0x4494:
1053	case 0x4498:
1054	case 0x449C:
1055	case 0x44A0:
1056	case 0x44A4:
1057	case 0x44A8:
1058	case 0x44AC:
1059	case 0x44B0:
1060	case 0x44B4:
1061	case 0x44B8:
1062	case 0x44BC:
1063		/* TX_FORMAT0_[0-15] */
1064		i = (reg - 0x4480) >> 2;
1065		tmp = idx_value & 0x7FF;
1066		track->textures[i].width = tmp + 1;
1067		tmp = (idx_value >> 11) & 0x7FF;
1068		track->textures[i].height = tmp + 1;
1069		tmp = (idx_value >> 26) & 0xF;
1070		track->textures[i].num_levels = tmp;
1071		tmp = idx_value & (1 << 31);
1072		track->textures[i].use_pitch = !!tmp;
1073		tmp = (idx_value >> 22) & 0xF;
1074		track->textures[i].txdepth = tmp;
1075		track->tex_dirty = true;
1076		break;
1077	case R300_ZB_ZPASS_ADDR:
1078		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1079		if (r) {
1080			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1081					idx, reg);
1082			radeon_cs_dump_packet(p, pkt);
1083			return r;
1084		}
1085		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1086		break;
1087	case 0x4e0c:
1088		/* RB3D_COLOR_CHANNEL_MASK */
1089		track->color_channel_mask = idx_value;
1090		track->cb_dirty = true;
1091		break;
1092	case 0x43a4:
1093		/* SC_HYPERZ_EN */
1094		/* r300c emits this register - we need to disable hyperz for it
1095		 * without complaining */
1096		if (p->rdev->hyperz_filp != p->filp) {
1097			if (idx_value & 0x1)
1098				ib[idx] = idx_value & ~1;
1099		}
1100		break;
1101	case 0x4f1c:
1102		/* ZB_BW_CNTL */
1103		track->zb_cb_clear = !!(idx_value & (1 << 5));
1104		track->cb_dirty = true;
1105		track->zb_dirty = true;
1106		if (p->rdev->hyperz_filp != p->filp) {
1107			if (idx_value & (R300_HIZ_ENABLE |
1108					 R300_RD_COMP_ENABLE |
1109					 R300_WR_COMP_ENABLE |
1110					 R300_FAST_FILL_ENABLE))
1111				goto fail;
1112		}
1113		break;
1114	case 0x4e04:
1115		/* RB3D_BLENDCNTL */
1116		track->blend_read_enable = !!(idx_value & (1 << 2));
1117		track->cb_dirty = true;
1118		break;
1119	case R300_RB3D_AARESOLVE_OFFSET:
1120		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1121		if (r) {
1122			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1123				  idx, reg);
1124			radeon_cs_dump_packet(p, pkt);
1125			return r;
1126		}
1127		track->aa.robj = reloc->robj;
1128		track->aa.offset = idx_value;
1129		track->aa_dirty = true;
1130		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1131		break;
1132	case R300_RB3D_AARESOLVE_PITCH:
1133		track->aa.pitch = idx_value & 0x3FFE;
1134		track->aa_dirty = true;
1135		break;
1136	case R300_RB3D_AARESOLVE_CTL:
1137		track->aaresolve = idx_value & 0x1;
1138		track->aa_dirty = true;
1139		break;
1140	case 0x4f30: /* ZB_MASK_OFFSET */
1141	case 0x4f34: /* ZB_ZMASK_PITCH */
1142	case 0x4f44: /* ZB_HIZ_OFFSET */
1143	case 0x4f54: /* ZB_HIZ_PITCH */
1144		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1145			goto fail;
1146		break;
1147	case 0x4028:
1148		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1149			goto fail;
1150		/* GB_Z_PEQ_CONFIG */
1151		if (p->rdev->family >= CHIP_RV350)
1152			break;
1153		goto fail;
1154		break;
1155	case 0x4be8:
1156		/* valid register only on RV530 */
1157		if (p->rdev->family == CHIP_RV530)
1158			break;
1159		fallthrough;
1160		/* fallthrough do not move */
1161	default:
1162		goto fail;
1163	}
1164	return 0;
1165fail:
1166	pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1167	       reg, idx, idx_value);
1168	return -EINVAL;
1169}
1170
1171static int r300_packet3_check(struct radeon_cs_parser *p,
1172			      struct radeon_cs_packet *pkt)
1173{
1174	struct radeon_bo_list *reloc;
1175	struct r100_cs_track *track;
1176	volatile uint32_t *ib;
1177	unsigned idx;
1178	int r;
1179
1180	ib = p->ib.ptr;
1181	idx = pkt->idx + 1;
1182	track = (struct r100_cs_track *)p->track;
1183	switch (pkt->opcode) {
1184	case PACKET3_3D_LOAD_VBPNTR:
1185		r = r100_packet3_load_vbpntr(p, pkt, idx);
1186		if (r)
1187			return r;
1188		break;
1189	case PACKET3_INDX_BUFFER:
1190		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1191		if (r) {
1192			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1193			radeon_cs_dump_packet(p, pkt);
1194			return r;
1195		}
1196		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1197		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1198		if (r) {
1199			return r;
1200		}
1201		break;
1202	/* Draw packet */
1203	case PACKET3_3D_DRAW_IMMD:
1204		/* Number of dwords is vtx_size * (num_vertices - 1)
1205		 * PRIM_WALK must be equal to 3 vertex data in embedded
1206		 * in cmd stream */
1207		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1208			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1209			return -EINVAL;
1210		}
1211		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1212		track->immd_dwords = pkt->count - 1;
1213		r = r100_cs_track_check(p->rdev, track);
1214		if (r) {
1215			return r;
1216		}
1217		break;
1218	case PACKET3_3D_DRAW_IMMD_2:
1219		/* Number of dwords is vtx_size * (num_vertices - 1)
1220		 * PRIM_WALK must be equal to 3 vertex data in embedded
1221		 * in cmd stream */
1222		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1223			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1224			return -EINVAL;
1225		}
1226		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1227		track->immd_dwords = pkt->count;
1228		r = r100_cs_track_check(p->rdev, track);
1229		if (r) {
1230			return r;
1231		}
1232		break;
1233	case PACKET3_3D_DRAW_VBUF:
1234		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1235		r = r100_cs_track_check(p->rdev, track);
1236		if (r) {
1237			return r;
1238		}
1239		break;
1240	case PACKET3_3D_DRAW_VBUF_2:
1241		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1242		r = r100_cs_track_check(p->rdev, track);
1243		if (r) {
1244			return r;
1245		}
1246		break;
1247	case PACKET3_3D_DRAW_INDX:
1248		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1249		r = r100_cs_track_check(p->rdev, track);
1250		if (r) {
1251			return r;
1252		}
1253		break;
1254	case PACKET3_3D_DRAW_INDX_2:
1255		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1256		r = r100_cs_track_check(p->rdev, track);
1257		if (r) {
1258			return r;
1259		}
1260		break;
1261	case PACKET3_3D_CLEAR_HIZ:
1262	case PACKET3_3D_CLEAR_ZMASK:
1263		if (p->rdev->hyperz_filp != p->filp)
1264			return -EINVAL;
1265		break;
1266	case PACKET3_3D_CLEAR_CMASK:
1267		if (p->rdev->cmask_filp != p->filp)
1268			return -EINVAL;
1269		break;
1270	case PACKET3_NOP:
1271		break;
1272	default:
1273		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1274		return -EINVAL;
1275	}
1276	return 0;
1277}
1278
1279int r300_cs_parse(struct radeon_cs_parser *p)
1280{
1281	struct radeon_cs_packet pkt;
1282	struct r100_cs_track *track;
1283	int r;
1284
1285	track = kzalloc(sizeof(*track), GFP_KERNEL);
1286	if (track == NULL)
1287		return -ENOMEM;
1288	r100_cs_track_clear(p->rdev, track);
1289	p->track = track;
1290	do {
1291		r = radeon_cs_packet_parse(p, &pkt, p->idx);
1292		if (r) {
1293			return r;
1294		}
1295		p->idx += pkt.count + 2;
1296		switch (pkt.type) {
1297		case RADEON_PACKET_TYPE0:
1298			r = r100_cs_parse_packet0(p, &pkt,
1299						  p->rdev->config.r300.reg_safe_bm,
1300						  p->rdev->config.r300.reg_safe_bm_size,
1301						  &r300_packet0_check);
1302			break;
1303		case RADEON_PACKET_TYPE2:
1304			break;
1305		case RADEON_PACKET_TYPE3:
1306			r = r300_packet3_check(p, &pkt);
1307			break;
1308		default:
1309			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1310			return -EINVAL;
1311		}
1312		if (r) {
1313			return r;
1314		}
1315	} while (p->idx < p->chunk_ib->length_dw);
1316	return 0;
1317}
1318
1319void r300_set_reg_safe(struct radeon_device *rdev)
1320{
1321	rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1322	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1323}
1324
1325void r300_mc_program(struct radeon_device *rdev)
1326{
1327	struct r100_mc_save save;
 
1328
1329	r100_debugfs_mc_info_init(rdev);
 
 
 
1330
1331	/* Stops all mc clients */
1332	r100_mc_stop(rdev, &save);
1333	if (rdev->flags & RADEON_IS_AGP) {
1334		WREG32(R_00014C_MC_AGP_LOCATION,
1335			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1336			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1337		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1338		WREG32(R_00015C_AGP_BASE_2,
1339			upper_32_bits(rdev->mc.agp_base) & 0xff);
1340	} else {
1341		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1342		WREG32(R_000170_AGP_BASE, 0);
1343		WREG32(R_00015C_AGP_BASE_2, 0);
1344	}
1345	/* Wait for mc idle */
1346	if (r300_mc_wait_for_idle(rdev))
1347		DRM_INFO("Failed to wait MC idle before programming MC.\n");
1348	/* Program MC, should be a 32bits limited address space */
1349	WREG32(R_000148_MC_FB_LOCATION,
1350		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1351		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1352	r100_mc_resume(rdev, &save);
1353}
1354
1355void r300_clock_startup(struct radeon_device *rdev)
1356{
1357	u32 tmp;
1358
1359	if (radeon_dynclks != -1 && radeon_dynclks)
1360		radeon_legacy_set_clock_gating(rdev, 1);
1361	/* We need to force on some of the block */
1362	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1363	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1364	if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1365		tmp |= S_00000D_FORCE_VAP(1);
1366	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1367}
1368
1369static int r300_startup(struct radeon_device *rdev)
1370{
1371	int r;
1372
1373	/* set common regs */
1374	r100_set_common_regs(rdev);
1375	/* program mc */
1376	r300_mc_program(rdev);
1377	/* Resume clock */
1378	r300_clock_startup(rdev);
1379	/* Initialize GPU configuration (# pipes, ...) */
1380	r300_gpu_init(rdev);
1381	/* Initialize GART (initialize after TTM so we can allocate
1382	 * memory through TTM but finalize after TTM) */
1383	if (rdev->flags & RADEON_IS_PCIE) {
1384		r = rv370_pcie_gart_enable(rdev);
1385		if (r)
1386			return r;
1387	}
1388
1389	if (rdev->family == CHIP_R300 ||
1390	    rdev->family == CHIP_R350 ||
1391	    rdev->family == CHIP_RV350)
1392		r100_enable_bm(rdev);
1393
1394	if (rdev->flags & RADEON_IS_PCI) {
1395		r = r100_pci_gart_enable(rdev);
1396		if (r)
1397			return r;
1398	}
1399
1400	/* allocate wb buffer */
1401	r = radeon_wb_init(rdev);
1402	if (r)
1403		return r;
1404
1405	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1406	if (r) {
1407		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1408		return r;
1409	}
1410
1411	/* Enable IRQ */
1412	if (!rdev->irq.installed) {
1413		r = radeon_irq_kms_init(rdev);
1414		if (r)
1415			return r;
1416	}
1417
1418	r100_irq_set(rdev);
1419	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1420	/* 1M ring buffer */
1421	r = r100_cp_init(rdev, 1024 * 1024);
1422	if (r) {
1423		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1424		return r;
1425	}
1426
1427	r = radeon_ib_pool_init(rdev);
1428	if (r) {
1429		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1430		return r;
1431	}
1432
1433	return 0;
1434}
1435
1436int r300_resume(struct radeon_device *rdev)
1437{
1438	int r;
1439
1440	/* Make sur GART are not working */
1441	if (rdev->flags & RADEON_IS_PCIE)
1442		rv370_pcie_gart_disable(rdev);
1443	if (rdev->flags & RADEON_IS_PCI)
1444		r100_pci_gart_disable(rdev);
1445	/* Resume clock before doing reset */
1446	r300_clock_startup(rdev);
1447	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1448	if (radeon_asic_reset(rdev)) {
1449		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1450			RREG32(R_000E40_RBBM_STATUS),
1451			RREG32(R_0007C0_CP_STAT));
1452	}
1453	/* post */
1454	radeon_combios_asic_init(rdev->ddev);
1455	/* Resume clock after posting */
1456	r300_clock_startup(rdev);
1457	/* Initialize surface registers */
1458	radeon_surface_init(rdev);
1459
1460	rdev->accel_working = true;
1461	r = r300_startup(rdev);
1462	if (r) {
1463		rdev->accel_working = false;
1464	}
1465	return r;
1466}
1467
1468int r300_suspend(struct radeon_device *rdev)
1469{
1470	radeon_pm_suspend(rdev);
1471	r100_cp_disable(rdev);
1472	radeon_wb_disable(rdev);
1473	r100_irq_disable(rdev);
1474	if (rdev->flags & RADEON_IS_PCIE)
1475		rv370_pcie_gart_disable(rdev);
1476	if (rdev->flags & RADEON_IS_PCI)
1477		r100_pci_gart_disable(rdev);
1478	return 0;
1479}
1480
1481void r300_fini(struct radeon_device *rdev)
1482{
1483	radeon_pm_fini(rdev);
1484	r100_cp_fini(rdev);
1485	radeon_wb_fini(rdev);
1486	radeon_ib_pool_fini(rdev);
1487	radeon_gem_fini(rdev);
1488	if (rdev->flags & RADEON_IS_PCIE)
1489		rv370_pcie_gart_fini(rdev);
1490	if (rdev->flags & RADEON_IS_PCI)
1491		r100_pci_gart_fini(rdev);
1492	radeon_agp_fini(rdev);
1493	radeon_irq_kms_fini(rdev);
1494	radeon_fence_driver_fini(rdev);
1495	radeon_bo_fini(rdev);
1496	radeon_atombios_fini(rdev);
1497	kfree(rdev->bios);
1498	rdev->bios = NULL;
1499}
1500
1501int r300_init(struct radeon_device *rdev)
1502{
1503	int r;
1504
1505	/* Disable VGA */
1506	r100_vga_render_disable(rdev);
1507	/* Initialize scratch registers */
1508	radeon_scratch_init(rdev);
1509	/* Initialize surface registers */
1510	radeon_surface_init(rdev);
1511	/* TODO: disable VGA need to use VGA request */
1512	/* restore some register to sane defaults */
1513	r100_restore_sanity(rdev);
1514	/* BIOS*/
1515	if (!radeon_get_bios(rdev)) {
1516		if (ASIC_IS_AVIVO(rdev))
1517			return -EINVAL;
1518	}
1519	if (rdev->is_atom_bios) {
1520		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1521		return -EINVAL;
1522	} else {
1523		r = radeon_combios_init(rdev);
1524		if (r)
1525			return r;
1526	}
1527	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1528	if (radeon_asic_reset(rdev)) {
1529		dev_warn(rdev->dev,
1530			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1531			RREG32(R_000E40_RBBM_STATUS),
1532			RREG32(R_0007C0_CP_STAT));
1533	}
1534	/* check if cards are posted or not */
1535	if (radeon_boot_test_post_card(rdev) == false)
1536		return -EINVAL;
1537	/* Set asic errata */
1538	r300_errata(rdev);
1539	/* Initialize clocks */
1540	radeon_get_clock_info(rdev->ddev);
1541	/* initialize AGP */
1542	if (rdev->flags & RADEON_IS_AGP) {
1543		r = radeon_agp_init(rdev);
1544		if (r) {
1545			radeon_agp_disable(rdev);
1546		}
1547	}
1548	/* initialize memory controller */
1549	r300_mc_init(rdev);
1550	/* Fence driver */
1551	radeon_fence_driver_init(rdev);
 
 
 
 
 
1552	/* Memory manager */
1553	r = radeon_bo_init(rdev);
1554	if (r)
1555		return r;
1556	if (rdev->flags & RADEON_IS_PCIE) {
1557		r = rv370_pcie_gart_init(rdev);
1558		if (r)
1559			return r;
1560	}
1561	if (rdev->flags & RADEON_IS_PCI) {
1562		r = r100_pci_gart_init(rdev);
1563		if (r)
1564			return r;
1565	}
1566	r300_set_reg_safe(rdev);
1567
1568	/* Initialize power management */
1569	radeon_pm_init(rdev);
1570
1571	rdev->accel_working = true;
1572	r = r300_startup(rdev);
1573	if (r) {
1574		/* Something went wrong with the accel init, so stop accel */
1575		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1576		r100_cp_fini(rdev);
1577		radeon_wb_fini(rdev);
1578		radeon_ib_pool_fini(rdev);
1579		radeon_irq_kms_fini(rdev);
1580		if (rdev->flags & RADEON_IS_PCIE)
1581			rv370_pcie_gart_fini(rdev);
1582		if (rdev->flags & RADEON_IS_PCI)
1583			r100_pci_gart_fini(rdev);
1584		radeon_agp_fini(rdev);
1585		rdev->accel_working = false;
1586	}
1587	return 0;
1588}