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linux-zen-server/drivers/gpu/drm/radeon/r300.c

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Initial commit
2023-08-30 17:53:23 +02:00
/*
* Copyright 2008 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
* Copyright 2009 Jerome Glisse.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Dave Airlie
* Alex Deucher
* Jerome Glisse
*/
#include <linux/pci.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <drm/drm.h>
#include <drm/drm_device.h>
#include <drm/drm_file.h>
#include <drm/radeon_drm.h>
#include "r100_track.h"
#include "r300_reg_safe.h"
#include "r300d.h"
#include "radeon.h"
#include "radeon_asic.h"
#include "radeon_reg.h"
#include "rv350d.h"
/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
*
* GPU Errata:
* - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
* using MMIO to flush host path read cache, this lead to HARDLOCKUP.
* However, scheduling such write to the ring seems harmless, i suspect
* the CP read collide with the flush somehow, or maybe the MC, hard to
* tell. (Jerome Glisse)
*/
/*
* Indirect registers accessor
*/
uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
{
unsigned long flags;
uint32_t r;
spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
r = RREG32(RADEON_PCIE_DATA);
spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
return r;
}
void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
unsigned long flags;
spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
WREG32(RADEON_PCIE_DATA, (v));
spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
}
/*
* rv370,rv380 PCIE GART
*/
static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
{
uint32_t tmp;
int i;
/* Workaround HW bug do flush 2 times */
for (i = 0; i < 2; i++) {
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
}
mb();
}
#define R300_PTE_UNSNOOPED (1 << 0)
#define R300_PTE_WRITEABLE (1 << 2)
#define R300_PTE_READABLE (1 << 3)
uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
{
addr = (lower_32_bits(addr) >> 8) |
((upper_32_bits(addr) & 0xff) << 24);
if (flags & RADEON_GART_PAGE_READ)
addr |= R300_PTE_READABLE;
if (flags & RADEON_GART_PAGE_WRITE)
addr |= R300_PTE_WRITEABLE;
if (!(flags & RADEON_GART_PAGE_SNOOP))
addr |= R300_PTE_UNSNOOPED;
return addr;
}
void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
uint64_t entry)
{
void __iomem *ptr = rdev->gart.ptr;
/* on x86 we want this to be CPU endian, on powerpc
* on powerpc without HW swappers, it'll get swapped on way
* into VRAM - so no need for cpu_to_le32 on VRAM tables */
writel(entry, ((void __iomem *)ptr) + (i * 4));
}
int rv370_pcie_gart_init(struct radeon_device *rdev)
{
int r;
if (rdev->gart.robj) {
WARN(1, "RV370 PCIE GART already initialized\n");
return 0;
}
/* Initialize common gart structure */
r = radeon_gart_init(rdev);
if (r)
return r;
rv370_debugfs_pcie_gart_info_init(rdev);
rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
return radeon_gart_table_vram_alloc(rdev);
}
int rv370_pcie_gart_enable(struct radeon_device *rdev)
{
uint32_t table_addr;
uint32_t tmp;
int r;
if (rdev->gart.robj == NULL) {
dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
return -EINVAL;
}
r = radeon_gart_table_vram_pin(rdev);
if (r)
return r;
/* discard memory request outside of configured range */
tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
table_addr = rdev->gart.table_addr;
WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
/* FIXME: setup default page */
WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
/* Clear error */
WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
tmp |= RADEON_PCIE_TX_GART_EN;
tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
rv370_pcie_gart_tlb_flush(rdev);
DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
(unsigned)(rdev->mc.gtt_size >> 20),
(unsigned long long)table_addr);
rdev->gart.ready = true;
return 0;
}
void rv370_pcie_gart_disable(struct radeon_device *rdev)
{
u32 tmp;
WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
radeon_gart_table_vram_unpin(rdev);
}
void rv370_pcie_gart_fini(struct radeon_device *rdev)
{
radeon_gart_fini(rdev);
rv370_pcie_gart_disable(rdev);
radeon_gart_table_vram_free(rdev);
}
void r300_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
struct radeon_ring *ring = &rdev->ring[fence->ring];
/* Who ever call radeon_fence_emit should call ring_lock and ask
* for enough space (today caller are ib schedule and buffer move) */
/* Write SC register so SC & US assert idle */
radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
radeon_ring_write(ring, 0);
/* Flush 3D cache */
radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
radeon_ring_write(ring, R300_ZC_FLUSH);
/* Wait until IDLE & CLEAN */
radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
RADEON_WAIT_2D_IDLECLEAN |
RADEON_WAIT_DMA_GUI_IDLE));
radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
RADEON_HDP_READ_BUFFER_INVALIDATE);
radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
/* Emit fence sequence & fire IRQ */
radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
radeon_ring_write(ring, fence->seq);
radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
radeon_ring_write(ring, RADEON_SW_INT_FIRE);
}
void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
{
unsigned gb_tile_config;
int r;
/* Sub pixel 1/12 so we can have 4K rendering according to doc */
gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
switch(rdev->num_gb_pipes) {
case 2:
gb_tile_config |= R300_PIPE_COUNT_R300;
break;
case 3:
gb_tile_config |= R300_PIPE_COUNT_R420_3P;
break;
case 4:
gb_tile_config |= R300_PIPE_COUNT_R420;
break;
case 1:
default:
gb_tile_config |= R300_PIPE_COUNT_RV350;
break;
}
r = radeon_ring_lock(rdev, ring, 64);
if (r) {
return;
}
radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
radeon_ring_write(ring,
RADEON_ISYNC_ANY2D_IDLE3D |
RADEON_ISYNC_ANY3D_IDLE2D |
RADEON_ISYNC_WAIT_IDLEGUI |
RADEON_ISYNC_CPSCRATCH_IDLEGUI);
radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
radeon_ring_write(ring, gb_tile_config);
radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
radeon_ring_write(ring,
RADEON_WAIT_2D_IDLECLEAN |
RADEON_WAIT_3D_IDLECLEAN);
radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
radeon_ring_write(ring,
RADEON_WAIT_2D_IDLECLEAN |
RADEON_WAIT_3D_IDLECLEAN);
radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
radeon_ring_write(ring,
((6 << R300_MS_X0_SHIFT) |
(6 << R300_MS_Y0_SHIFT) |
(6 << R300_MS_X1_SHIFT) |
(6 << R300_MS_Y1_SHIFT) |
(6 << R300_MS_X2_SHIFT) |
(6 << R300_MS_Y2_SHIFT) |
(6 << R300_MSBD0_Y_SHIFT) |
(6 << R300_MSBD0_X_SHIFT)));
radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
radeon_ring_write(ring,
((6 << R300_MS_X3_SHIFT) |
(6 << R300_MS_Y3_SHIFT) |
(6 << R300_MS_X4_SHIFT) |
(6 << R300_MS_Y4_SHIFT) |
(6 << R300_MS_X5_SHIFT) |
(6 << R300_MS_Y5_SHIFT) |
(6 << R300_MSBD1_SHIFT)));
radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
radeon_ring_write(ring,
R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
radeon_ring_write(ring,
R300_GEOMETRY_ROUND_NEAREST |
R300_COLOR_ROUND_NEAREST);
radeon_ring_unlock_commit(rdev, ring, false);
}
static void r300_errata(struct radeon_device *rdev)
{
rdev->pll_errata = 0;
if (rdev->family == CHIP_R300 &&
(RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
rdev->pll_errata |= CHIP_ERRATA_R300_CG;
}
}
int r300_mc_wait_for_idle(struct radeon_device *rdev)
{
unsigned i;
uint32_t tmp;
for (i = 0; i < rdev->usec_timeout; i++) {
/* read MC_STATUS */
tmp = RREG32(RADEON_MC_STATUS);
if (tmp & R300_MC_IDLE) {
return 0;
}
udelay(1);
}
return -1;
}
static void r300_gpu_init(struct radeon_device *rdev)
{
uint32_t gb_tile_config, tmp;
if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
(rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
/* r300,r350 */
rdev->num_gb_pipes = 2;
} else {
/* rv350,rv370,rv380,r300 AD, r350 AH */
rdev->num_gb_pipes = 1;
}
rdev->num_z_pipes = 1;
gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
switch (rdev->num_gb_pipes) {
case 2:
gb_tile_config |= R300_PIPE_COUNT_R300;
break;
case 3:
gb_tile_config |= R300_PIPE_COUNT_R420_3P;
break;
case 4:
gb_tile_config |= R300_PIPE_COUNT_R420;
break;
default:
case 1:
gb_tile_config |= R300_PIPE_COUNT_RV350;
break;
}
WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
if (r100_gui_wait_for_idle(rdev)) {
pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
}
tmp = RREG32(R300_DST_PIPE_CONFIG);
WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
WREG32(R300_RB2D_DSTCACHE_MODE,
R300_DC_AUTOFLUSH_ENABLE |
R300_DC_DC_DISABLE_IGNORE_PE);
if (r100_gui_wait_for_idle(rdev)) {
pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
}
if (r300_mc_wait_for_idle(rdev)) {
pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
}
DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
rdev->num_gb_pipes, rdev->num_z_pipes);
}
int r300_asic_reset(struct radeon_device *rdev, bool hard)
{
struct r100_mc_save save;
u32 status, tmp;
int ret = 0;
status = RREG32(R_000E40_RBBM_STATUS);
if (!G_000E40_GUI_ACTIVE(status)) {
return 0;
}
r100_mc_stop(rdev, &save);
status = RREG32(R_000E40_RBBM_STATUS);
dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
/* stop CP */
WREG32(RADEON_CP_CSQ_CNTL, 0);
tmp = RREG32(RADEON_CP_RB_CNTL);
WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
WREG32(RADEON_CP_RB_RPTR_WR, 0);
WREG32(RADEON_CP_RB_WPTR, 0);
WREG32(RADEON_CP_RB_CNTL, tmp);
/* save PCI state */
pci_save_state(rdev->pdev);
/* disable bus mastering */
r100_bm_disable(rdev);
WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
S_0000F0_SOFT_RESET_GA(1));
RREG32(R_0000F0_RBBM_SOFT_RESET);
mdelay(500);
WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
mdelay(1);
status = RREG32(R_000E40_RBBM_STATUS);
dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
/* resetting the CP seems to be problematic sometimes it end up
* hard locking the computer, but it's necessary for successful
* reset more test & playing is needed on R3XX/R4XX to find a
* reliable (if any solution)
*/
WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
RREG32(R_0000F0_RBBM_SOFT_RESET);
mdelay(500);
WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
mdelay(1);
status = RREG32(R_000E40_RBBM_STATUS);
dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
/* restore PCI & busmastering */
pci_restore_state(rdev->pdev);
r100_enable_bm(rdev);
/* Check if GPU is idle */
if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
dev_err(rdev->dev, "failed to reset GPU\n");
ret = -1;
} else
dev_info(rdev->dev, "GPU reset succeed\n");
r100_mc_resume(rdev, &save);
return ret;
}
/*
* r300,r350,rv350,rv380 VRAM info
*/
void r300_mc_init(struct radeon_device *rdev)
{
u64 base;
u32 tmp;
/* DDR for all card after R300 & IGP */
rdev->mc.vram_is_ddr = true;
tmp = RREG32(RADEON_MEM_CNTL);
tmp &= R300_MEM_NUM_CHANNELS_MASK;
switch (tmp) {
case 0: rdev->mc.vram_width = 64; break;
case 1: rdev->mc.vram_width = 128; break;
case 2: rdev->mc.vram_width = 256; break;
default: rdev->mc.vram_width = 128; break;
}
r100_vram_init_sizes(rdev);
base = rdev->mc.aper_base;
if (rdev->flags & RADEON_IS_IGP)
base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
radeon_vram_location(rdev, &rdev->mc, base);
rdev->mc.gtt_base_align = 0;
if (!(rdev->flags & RADEON_IS_AGP))
radeon_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
}
void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
{
uint32_t link_width_cntl, mask;
if (rdev->flags & RADEON_IS_IGP)
return;
if (!(rdev->flags & RADEON_IS_PCIE))
return;
/* FIXME wait for idle */
switch (lanes) {
case 0:
mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
break;
case 1:
mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
break;
case 2:
mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
break;
case 4:
mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
break;
case 8:
mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
break;
case 12:
mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
break;
case 16:
default:
mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
break;
}
link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
(mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
return;
link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
RADEON_PCIE_LC_RECONFIG_NOW |
RADEON_PCIE_LC_RECONFIG_LATER |
RADEON_PCIE_LC_SHORT_RECONFIG_EN);
link_width_cntl |= mask;
WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
RADEON_PCIE_LC_RECONFIG_NOW));
/* wait for lane set to complete */
link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
while (link_width_cntl == 0xffffffff)
link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
}
int rv370_get_pcie_lanes(struct radeon_device *rdev)
{
u32 link_width_cntl;
if (rdev->flags & RADEON_IS_IGP)
return 0;
if (!(rdev->flags & RADEON_IS_PCIE))
return 0;
/* FIXME wait for idle */
link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
case RADEON_PCIE_LC_LINK_WIDTH_X0:
return 0;
case RADEON_PCIE_LC_LINK_WIDTH_X1:
return 1;
case RADEON_PCIE_LC_LINK_WIDTH_X2:
return 2;
case RADEON_PCIE_LC_LINK_WIDTH_X4:
return 4;
case RADEON_PCIE_LC_LINK_WIDTH_X8:
return 8;
case RADEON_PCIE_LC_LINK_WIDTH_X16:
default:
return 16;
}
}
#if defined(CONFIG_DEBUG_FS)
static int rv370_debugfs_pcie_gart_info_show(struct seq_file *m, void *unused)
{
struct radeon_device *rdev = (struct radeon_device *)m->private;
uint32_t tmp;
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(rv370_debugfs_pcie_gart_info);
#endif
static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
struct dentry *root = rdev->ddev->primary->debugfs_root;
debugfs_create_file("rv370_pcie_gart_info", 0444, root, rdev,
&rv370_debugfs_pcie_gart_info_fops);
#endif
}
static int r300_packet0_check(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
unsigned idx, unsigned reg)
{
struct radeon_bo_list *reloc;
struct r100_cs_track *track;
volatile uint32_t *ib;
uint32_t tmp, tile_flags = 0;
unsigned i;
int r;
u32 idx_value;
ib = p->ib.ptr;
track = (struct r100_cs_track *)p->track;
idx_value = radeon_get_ib_value(p, idx);
switch(reg) {
case AVIVO_D1MODE_VLINE_START_END:
case RADEON_CRTC_GUI_TRIG_VLINE:
r = r100_cs_packet_parse_vline(p);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
radeon_cs_dump_packet(p, pkt);
return r;
}
break;
case RADEON_DST_PITCH_OFFSET:
case RADEON_SRC_PITCH_OFFSET:
r = r100_reloc_pitch_offset(p, pkt, idx, reg);
if (r)
return r;
break;
case R300_RB3D_COLOROFFSET0:
case R300_RB3D_COLOROFFSET1:
case R300_RB3D_COLOROFFSET2:
case R300_RB3D_COLOROFFSET3:
i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
r = radeon_cs_packet_next_reloc(p, &reloc, 0);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
radeon_cs_dump_packet(p, pkt);
return r;
}
track->cb[i].robj = reloc->robj;
track->cb[i].offset = idx_value;
track->cb_dirty = true;
ib[idx] = idx_value + ((u32)reloc->gpu_offset);
break;
case R300_ZB_DEPTHOFFSET:
r = radeon_cs_packet_next_reloc(p, &reloc, 0);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
radeon_cs_dump_packet(p, pkt);
return r;
}
track->zb.robj = reloc->robj;
track->zb.offset = idx_value;
track->zb_dirty = true;
ib[idx] = idx_value + ((u32)reloc->gpu_offset);
break;
case R300_TX_OFFSET_0:
case R300_TX_OFFSET_0+4:
case R300_TX_OFFSET_0+8:
case R300_TX_OFFSET_0+12:
case R300_TX_OFFSET_0+16:
case R300_TX_OFFSET_0+20:
case R300_TX_OFFSET_0+24:
case R300_TX_OFFSET_0+28:
case R300_TX_OFFSET_0+32:
case R300_TX_OFFSET_0+36:
case R300_TX_OFFSET_0+40:
case R300_TX_OFFSET_0+44:
case R300_TX_OFFSET_0+48:
case R300_TX_OFFSET_0+52:
case R300_TX_OFFSET_0+56:
case R300_TX_OFFSET_0+60:
i = (reg - R300_TX_OFFSET_0) >> 2;
r = radeon_cs_packet_next_reloc(p, &reloc, 0);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
radeon_cs_dump_packet(p, pkt);
return r;
}
if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
((idx_value & ~31) + (u32)reloc->gpu_offset);
} else {
if (reloc->tiling_flags & RADEON_TILING_MACRO)
tile_flags |= R300_TXO_MACRO_TILE;
if (reloc->tiling_flags & RADEON_TILING_MICRO)
tile_flags |= R300_TXO_MICRO_TILE;
else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
tmp = idx_value + ((u32)reloc->gpu_offset);
tmp |= tile_flags;
ib[idx] = tmp;
}
track->textures[i].robj = reloc->robj;
track->tex_dirty = true;
break;
/* Tracked registers */
case 0x2084:
/* VAP_VF_CNTL */
track->vap_vf_cntl = idx_value;
break;
case 0x20B4:
/* VAP_VTX_SIZE */
track->vtx_size = idx_value & 0x7F;
break;
case 0x2134:
/* VAP_VF_MAX_VTX_INDX */
track->max_indx = idx_value & 0x00FFFFFFUL;
break;
case 0x2088:
/* VAP_ALT_NUM_VERTICES - only valid on r500 */
if (p->rdev->family < CHIP_RV515)
goto fail;
track->vap_alt_nverts = idx_value & 0xFFFFFF;
break;
case 0x43E4:
/* SC_SCISSOR1 */
track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
if (p->rdev->family < CHIP_RV515) {
track->maxy -= 1440;
}
track->cb_dirty = true;
track->zb_dirty = true;
break;
case 0x4E00:
/* RB3D_CCTL */
if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
p->rdev->cmask_filp != p->filp) {
DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
return -EINVAL;
}
track->num_cb = ((idx_value >> 5) & 0x3) + 1;
track->cb_dirty = true;
break;
case 0x4E38:
case 0x4E3C:
case 0x4E40:
case 0x4E44:
/* RB3D_COLORPITCH0 */
/* RB3D_COLORPITCH1 */
/* RB3D_COLORPITCH2 */
/* RB3D_COLORPITCH3 */
if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
r = radeon_cs_packet_next_reloc(p, &reloc, 0);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
radeon_cs_dump_packet(p, pkt);
return r;
}
if (reloc->tiling_flags & RADEON_TILING_MACRO)
tile_flags |= R300_COLOR_TILE_ENABLE;
if (reloc->tiling_flags & RADEON_TILING_MICRO)
tile_flags |= R300_COLOR_MICROTILE_ENABLE;
else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
tmp = idx_value & ~(0x7 << 16);
tmp |= tile_flags;
ib[idx] = tmp;
}
i = (reg - 0x4E38) >> 2;
track->cb[i].pitch = idx_value & 0x3FFE;
switch (((idx_value >> 21) & 0xF)) {
case 9:
case 11:
case 12:
track->cb[i].cpp = 1;
break;
case 3:
case 4:
case 13:
case 15:
track->cb[i].cpp = 2;
break;
case 5:
if (p->rdev->family < CHIP_RV515) {
DRM_ERROR("Invalid color buffer format (%d)!\n",
((idx_value >> 21) & 0xF));
return -EINVAL;
}
fallthrough;
case 6:
track->cb[i].cpp = 4;
break;
case 10:
track->cb[i].cpp = 8;
break;
case 7:
track->cb[i].cpp = 16;
break;
default:
DRM_ERROR("Invalid color buffer format (%d) !\n",
((idx_value >> 21) & 0xF));
return -EINVAL;
}
track->cb_dirty = true;
break;
case 0x4F00:
/* ZB_CNTL */
if (idx_value & 2) {
track->z_enabled = true;
} else {
track->z_enabled = false;
}
track->zb_dirty = true;
break;
case 0x4F10:
/* ZB_FORMAT */
switch ((idx_value & 0xF)) {
case 0:
case 1:
track->zb.cpp = 2;
break;
case 2:
track->zb.cpp = 4;
break;
default:
DRM_ERROR("Invalid z buffer format (%d) !\n",
(idx_value & 0xF));
return -EINVAL;
}
track->zb_dirty = true;
break;
case 0x4F24:
/* ZB_DEPTHPITCH */
if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
r = radeon_cs_packet_next_reloc(p, &reloc, 0);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
radeon_cs_dump_packet(p, pkt);
return r;
}
if (reloc->tiling_flags & RADEON_TILING_MACRO)
tile_flags |= R300_DEPTHMACROTILE_ENABLE;
if (reloc->tiling_flags & RADEON_TILING_MICRO)
tile_flags |= R300_DEPTHMICROTILE_TILED;
else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
tmp = idx_value & ~(0x7 << 16);
tmp |= tile_flags;
ib[idx] = tmp;
}
track->zb.pitch = idx_value & 0x3FFC;
track->zb_dirty = true;
break;
case 0x4104:
/* TX_ENABLE */
for (i = 0; i < 16; i++) {
bool enabled;
enabled = !!(idx_value & (1 << i));
track->textures[i].enabled = enabled;
}
track->tex_dirty = true;
break;
case 0x44C0:
case 0x44C4:
case 0x44C8:
case 0x44CC:
case 0x44D0:
case 0x44D4:
case 0x44D8:
case 0x44DC:
case 0x44E0:
case 0x44E4:
case 0x44E8:
case 0x44EC:
case 0x44F0:
case 0x44F4:
case 0x44F8:
case 0x44FC:
/* TX_FORMAT1_[0-15] */
i = (reg - 0x44C0) >> 2;
tmp = (idx_value >> 25) & 0x3;
track->textures[i].tex_coord_type = tmp;
switch ((idx_value & 0x1F)) {
case R300_TX_FORMAT_X8:
case R300_TX_FORMAT_Y4X4:
case R300_TX_FORMAT_Z3Y3X2:
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_NONE;
break;
case R300_TX_FORMAT_X16:
case R300_TX_FORMAT_FL_I16:
case R300_TX_FORMAT_Y8X8:
case R300_TX_FORMAT_Z5Y6X5:
case R300_TX_FORMAT_Z6Y5X5:
case R300_TX_FORMAT_W4Z4Y4X4:
case R300_TX_FORMAT_W1Z5Y5X5:
case R300_TX_FORMAT_D3DMFT_CxV8U8:
case R300_TX_FORMAT_B8G8_B8G8:
case R300_TX_FORMAT_G8R8_G8B8:
track->textures[i].cpp = 2;
track->textures[i].compress_format = R100_TRACK_COMP_NONE;
break;
case R300_TX_FORMAT_Y16X16:
case R300_TX_FORMAT_FL_I16A16:
case R300_TX_FORMAT_Z11Y11X10:
case R300_TX_FORMAT_Z10Y11X11:
case R300_TX_FORMAT_W8Z8Y8X8:
case R300_TX_FORMAT_W2Z10Y10X10:
case 0x17:
case R300_TX_FORMAT_FL_I32:
case 0x1e:
track->textures[i].cpp = 4;
track->textures[i].compress_format = R100_TRACK_COMP_NONE;
break;
case R300_TX_FORMAT_W16Z16Y16X16:
case R300_TX_FORMAT_FL_R16G16B16A16:
case R300_TX_FORMAT_FL_I32A32:
track->textures[i].cpp = 8;
track->textures[i].compress_format = R100_TRACK_COMP_NONE;
break;
case R300_TX_FORMAT_FL_R32G32B32A32:
track->textures[i].cpp = 16;
track->textures[i].compress_format = R100_TRACK_COMP_NONE;
break;
case R300_TX_FORMAT_DXT1:
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
break;
case R300_TX_FORMAT_ATI2N:
if (p->rdev->family < CHIP_R420) {
DRM_ERROR("Invalid texture format %u\n",
(idx_value & 0x1F));
return -EINVAL;
}
/* The same rules apply as for DXT3/5. */
fallthrough;
case R300_TX_FORMAT_DXT3:
case R300_TX_FORMAT_DXT5:
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
break;
default:
DRM_ERROR("Invalid texture format %u\n",
(idx_value & 0x1F));
return -EINVAL;
}
track->tex_dirty = true;
break;
case 0x4400:
case 0x4404:
case 0x4408:
case 0x440C:
case 0x4410:
case 0x4414:
case 0x4418:
case 0x441C:
case 0x4420:
case 0x4424:
case 0x4428:
case 0x442C:
case 0x4430:
case 0x4434:
case 0x4438:
case 0x443C:
/* TX_FILTER0_[0-15] */
i = (reg - 0x4400) >> 2;
tmp = idx_value & 0x7;
if (tmp == 2 || tmp == 4 || tmp == 6) {
track->textures[i].roundup_w = false;
}
tmp = (idx_value >> 3) & 0x7;
if (tmp == 2 || tmp == 4 || tmp == 6) {
track->textures[i].roundup_h = false;
}
track->tex_dirty = true;
break;
case 0x4500:
case 0x4504:
case 0x4508:
case 0x450C:
case 0x4510:
case 0x4514:
case 0x4518:
case 0x451C:
case 0x4520:
case 0x4524:
case 0x4528:
case 0x452C:
case 0x4530:
case 0x4534:
case 0x4538:
case 0x453C:
/* TX_FORMAT2_[0-15] */
i = (reg - 0x4500) >> 2;
tmp = idx_value & 0x3FFF;
track->textures[i].pitch = tmp + 1;
if (p->rdev->family >= CHIP_RV515) {
tmp = ((idx_value >> 15) & 1) << 11;
track->textures[i].width_11 = tmp;
tmp = ((idx_value >> 16) & 1) << 11;
track->textures[i].height_11 = tmp;
/* ATI1N */
if (idx_value & (1 << 14)) {
/* The same rules apply as for DXT1. */
track->textures[i].compress_format =
R100_TRACK_COMP_DXT1;
}
} else if (idx_value & (1 << 14)) {
DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
return -EINVAL;
}
track->tex_dirty = true;
break;
case 0x4480:
case 0x4484:
case 0x4488:
case 0x448C:
case 0x4490:
case 0x4494:
case 0x4498:
case 0x449C:
case 0x44A0:
case 0x44A4:
case 0x44A8:
case 0x44AC:
case 0x44B0:
case 0x44B4:
case 0x44B8:
case 0x44BC:
/* TX_FORMAT0_[0-15] */
i = (reg - 0x4480) >> 2;
tmp = idx_value & 0x7FF;
track->textures[i].width = tmp + 1;
tmp = (idx_value >> 11) & 0x7FF;
track->textures[i].height = tmp + 1;
tmp = (idx_value >> 26) & 0xF;
track->textures[i].num_levels = tmp;
tmp = idx_value & (1 << 31);
track->textures[i].use_pitch = !!tmp;
tmp = (idx_value >> 22) & 0xF;
track->textures[i].txdepth = tmp;
track->tex_dirty = true;
break;
case R300_ZB_ZPASS_ADDR:
r = radeon_cs_packet_next_reloc(p, &reloc, 0);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
radeon_cs_dump_packet(p, pkt);
return r;
}
ib[idx] = idx_value + ((u32)reloc->gpu_offset);
break;
case 0x4e0c:
/* RB3D_COLOR_CHANNEL_MASK */
track->color_channel_mask = idx_value;
track->cb_dirty = true;
break;
case 0x43a4:
/* SC_HYPERZ_EN */
/* r300c emits this register - we need to disable hyperz for it
* without complaining */
if (p->rdev->hyperz_filp != p->filp) {
if (idx_value & 0x1)
ib[idx] = idx_value & ~1;
}
break;
case 0x4f1c:
/* ZB_BW_CNTL */
track->zb_cb_clear = !!(idx_value & (1 << 5));
track->cb_dirty = true;
track->zb_dirty = true;
if (p->rdev->hyperz_filp != p->filp) {
if (idx_value & (R300_HIZ_ENABLE |
R300_RD_COMP_ENABLE |
R300_WR_COMP_ENABLE |
R300_FAST_FILL_ENABLE))
goto fail;
}
break;
case 0x4e04:
/* RB3D_BLENDCNTL */
track->blend_read_enable = !!(idx_value & (1 << 2));
track->cb_dirty = true;
break;
case R300_RB3D_AARESOLVE_OFFSET:
r = radeon_cs_packet_next_reloc(p, &reloc, 0);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
radeon_cs_dump_packet(p, pkt);
return r;
}
track->aa.robj = reloc->robj;
track->aa.offset = idx_value;
track->aa_dirty = true;
ib[idx] = idx_value + ((u32)reloc->gpu_offset);
break;
case R300_RB3D_AARESOLVE_PITCH:
track->aa.pitch = idx_value & 0x3FFE;
track->aa_dirty = true;
break;
case R300_RB3D_AARESOLVE_CTL:
track->aaresolve = idx_value & 0x1;
track->aa_dirty = true;
break;
case 0x4f30: /* ZB_MASK_OFFSET */
case 0x4f34: /* ZB_ZMASK_PITCH */
case 0x4f44: /* ZB_HIZ_OFFSET */
case 0x4f54: /* ZB_HIZ_PITCH */
if (idx_value && (p->rdev->hyperz_filp != p->filp))
goto fail;
break;
case 0x4028:
if (idx_value && (p->rdev->hyperz_filp != p->filp))
goto fail;
/* GB_Z_PEQ_CONFIG */
if (p->rdev->family >= CHIP_RV350)
break;
goto fail;
break;
case 0x4be8:
/* valid register only on RV530 */
if (p->rdev->family == CHIP_RV530)
break;
fallthrough;
/* fallthrough do not move */
default:
goto fail;
}
return 0;
fail:
pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
reg, idx, idx_value);
return -EINVAL;
}
static int r300_packet3_check(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt)
{
struct radeon_bo_list *reloc;
struct r100_cs_track *track;
volatile uint32_t *ib;
unsigned idx;
int r;
ib = p->ib.ptr;
idx = pkt->idx + 1;
track = (struct r100_cs_track *)p->track;
switch(pkt->opcode) {
case PACKET3_3D_LOAD_VBPNTR:
r = r100_packet3_load_vbpntr(p, pkt, idx);
if (r)
return r;
break;
case PACKET3_INDX_BUFFER:
r = radeon_cs_packet_next_reloc(p, &reloc, 0);
if (r) {
DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
radeon_cs_dump_packet(p, pkt);
return r;
}
ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
if (r) {
return r;
}
break;
/* Draw packet */
case PACKET3_3D_DRAW_IMMD:
/* Number of dwords is vtx_size * (num_vertices - 1)
* PRIM_WALK must be equal to 3 vertex data in embedded
* in cmd stream */
if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
return -EINVAL;
}
track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
track->immd_dwords = pkt->count - 1;
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_IMMD_2:
/* Number of dwords is vtx_size * (num_vertices - 1)
* PRIM_WALK must be equal to 3 vertex data in embedded
* in cmd stream */
if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
return -EINVAL;
}
track->vap_vf_cntl = radeon_get_ib_value(p, idx);
track->immd_dwords = pkt->count;
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_VBUF:
track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_VBUF_2:
track->vap_vf_cntl = radeon_get_ib_value(p, idx);
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_INDX:
track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_INDX_2:
track->vap_vf_cntl = radeon_get_ib_value(p, idx);
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_CLEAR_HIZ:
case PACKET3_3D_CLEAR_ZMASK:
if (p->rdev->hyperz_filp != p->filp)
return -EINVAL;
break;
case PACKET3_3D_CLEAR_CMASK:
if (p->rdev->cmask_filp != p->filp)
return -EINVAL;
break;
case PACKET3_NOP:
break;
default:
DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
return -EINVAL;
}
return 0;
}
int r300_cs_parse(struct radeon_cs_parser *p)
{
struct radeon_cs_packet pkt;
struct r100_cs_track *track;
int r;
track = kzalloc(sizeof(*track), GFP_KERNEL);
if (track == NULL)
return -ENOMEM;
r100_cs_track_clear(p->rdev, track);
p->track = track;
do {
r = radeon_cs_packet_parse(p, &pkt, p->idx);
if (r) {
return r;
}
p->idx += pkt.count + 2;
switch (pkt.type) {
case RADEON_PACKET_TYPE0:
r = r100_cs_parse_packet0(p, &pkt,
p->rdev->config.r300.reg_safe_bm,
p->rdev->config.r300.reg_safe_bm_size,
&r300_packet0_check);
break;
case RADEON_PACKET_TYPE2:
break;
case RADEON_PACKET_TYPE3:
r = r300_packet3_check(p, &pkt);
break;
default:
DRM_ERROR("Unknown packet type %d !\n", pkt.type);
return -EINVAL;
}
if (r) {
return r;
}
} while (p->idx < p->chunk_ib->length_dw);
return 0;
}
void r300_set_reg_safe(struct radeon_device *rdev)
{
rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
}
void r300_mc_program(struct radeon_device *rdev)
{
struct r100_mc_save save;
r100_debugfs_mc_info_init(rdev);
/* Stops all mc clients */
r100_mc_stop(rdev, &save);
if (rdev->flags & RADEON_IS_AGP) {
WREG32(R_00014C_MC_AGP_LOCATION,
S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
WREG32(R_00015C_AGP_BASE_2,
upper_32_bits(rdev->mc.agp_base) & 0xff);
} else {
WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
WREG32(R_000170_AGP_BASE, 0);
WREG32(R_00015C_AGP_BASE_2, 0);
}
/* Wait for mc idle */
if (r300_mc_wait_for_idle(rdev))
DRM_INFO("Failed to wait MC idle before programming MC.\n");
/* Program MC, should be a 32bits limited address space */
WREG32(R_000148_MC_FB_LOCATION,
S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
r100_mc_resume(rdev, &save);
}
void r300_clock_startup(struct radeon_device *rdev)
{
u32 tmp;
if (radeon_dynclks != -1 && radeon_dynclks)
radeon_legacy_set_clock_gating(rdev, 1);
/* We need to force on some of the block */
tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
tmp |= S_00000D_FORCE_VAP(1);
WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
}
static int r300_startup(struct radeon_device *rdev)
{
int r;
/* set common regs */
r100_set_common_regs(rdev);
/* program mc */
r300_mc_program(rdev);
/* Resume clock */
r300_clock_startup(rdev);
/* Initialize GPU configuration (# pipes, ...) */
r300_gpu_init(rdev);
/* Initialize GART (initialize after TTM so we can allocate
* memory through TTM but finalize after TTM) */
if (rdev->flags & RADEON_IS_PCIE) {
r = rv370_pcie_gart_enable(rdev);
if (r)
return r;
}
if (rdev->family == CHIP_R300 ||
rdev->family == CHIP_R350 ||
rdev->family == CHIP_RV350)
r100_enable_bm(rdev);
if (rdev->flags & RADEON_IS_PCI) {
r = r100_pci_gart_enable(rdev);
if (r)
return r;
}
/* allocate wb buffer */
r = radeon_wb_init(rdev);
if (r)
return r;
r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
return r;
}
/* Enable IRQ */
if (!rdev->irq.installed) {
r = radeon_irq_kms_init(rdev);
if (r)
return r;
}
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
r = r100_cp_init(rdev, 1024 * 1024);
if (r) {
dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
return r;
}
r = radeon_ib_pool_init(rdev);
if (r) {
dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
return r;
}
return 0;
}
int r300_resume(struct radeon_device *rdev)
{
int r;
/* Make sur GART are not working */
if (rdev->flags & RADEON_IS_PCIE)
rv370_pcie_gart_disable(rdev);
if (rdev->flags & RADEON_IS_PCI)
r100_pci_gart_disable(rdev);
/* Resume clock before doing reset */
r300_clock_startup(rdev);
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_asic_reset(rdev)) {
dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
RREG32(R_000E40_RBBM_STATUS),
RREG32(R_0007C0_CP_STAT));
}
/* post */
radeon_combios_asic_init(rdev->ddev);
/* Resume clock after posting */
r300_clock_startup(rdev);
/* Initialize surface registers */
radeon_surface_init(rdev);
rdev->accel_working = true;
r = r300_startup(rdev);
if (r) {
rdev->accel_working = false;
}
return r;
}
int r300_suspend(struct radeon_device *rdev)
{
radeon_pm_suspend(rdev);
r100_cp_disable(rdev);
radeon_wb_disable(rdev);
r100_irq_disable(rdev);
if (rdev->flags & RADEON_IS_PCIE)
rv370_pcie_gart_disable(rdev);
if (rdev->flags & RADEON_IS_PCI)
r100_pci_gart_disable(rdev);
return 0;
}
void r300_fini(struct radeon_device *rdev)
{
radeon_pm_fini(rdev);
r100_cp_fini(rdev);
radeon_wb_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_gem_fini(rdev);
if (rdev->flags & RADEON_IS_PCIE)
rv370_pcie_gart_fini(rdev);
if (rdev->flags & RADEON_IS_PCI)
r100_pci_gart_fini(rdev);
radeon_agp_fini(rdev);
radeon_irq_kms_fini(rdev);
radeon_fence_driver_fini(rdev);
radeon_bo_fini(rdev);
radeon_atombios_fini(rdev);
kfree(rdev->bios);
rdev->bios = NULL;
}
int r300_init(struct radeon_device *rdev)
{
int r;
/* Disable VGA */
r100_vga_render_disable(rdev);
/* Initialize scratch registers */
radeon_scratch_init(rdev);
/* Initialize surface registers */
radeon_surface_init(rdev);
/* TODO: disable VGA need to use VGA request */
/* restore some register to sane defaults */
r100_restore_sanity(rdev);
/* BIOS*/
if (!radeon_get_bios(rdev)) {
if (ASIC_IS_AVIVO(rdev))
return -EINVAL;
}
if (rdev->is_atom_bios) {
dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
return -EINVAL;
} else {
r = radeon_combios_init(rdev);
if (r)
return r;
}
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_asic_reset(rdev)) {
dev_warn(rdev->dev,
"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
RREG32(R_000E40_RBBM_STATUS),
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
if (radeon_boot_test_post_card(rdev) == false)
return -EINVAL;
/* Set asic errata */
r300_errata(rdev);
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* initialize AGP */
if (rdev->flags & RADEON_IS_AGP) {
r = radeon_agp_init(rdev);
if (r) {
radeon_agp_disable(rdev);
}
}
/* initialize memory controller */
r300_mc_init(rdev);
/* Fence driver */
radeon_fence_driver_init(rdev);
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
return r;
if (rdev->flags & RADEON_IS_PCIE) {
r = rv370_pcie_gart_init(rdev);
if (r)
return r;
}
if (rdev->flags & RADEON_IS_PCI) {
r = r100_pci_gart_init(rdev);
if (r)
return r;
}
r300_set_reg_safe(rdev);
/* Initialize power management */
radeon_pm_init(rdev);
rdev->accel_working = true;
r = r300_startup(rdev);
if (r) {
/* Something went wrong with the accel init, so stop accel */
dev_err(rdev->dev, "Disabling GPU acceleration\n");
r100_cp_fini(rdev);
radeon_wb_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_irq_kms_fini(rdev);
if (rdev->flags & RADEON_IS_PCIE)
rv370_pcie_gart_fini(rdev);
if (rdev->flags & RADEON_IS_PCI)
r100_pci_gart_fini(rdev);
radeon_agp_fini(rdev);
rdev->accel_working = false;
}
return 0;
}