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freebsd-skq/sys/dev/drm/r600_cp.c
rnoland c5caf6772f A little more cleanup from AMD, if we don't have the right microcode 
there is no reason to mess with the chip.

MFC after:	3 days
2009-04-03 19:21:39 +00:00

2194 lines
66 KiB
C
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/*-
* Copyright 2008-2009 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
*
* 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 (including the next
* paragraph) 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) AND/OR ITS SUPPLIERS 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 <airlied@redhat.com>
* Alex Deucher <alexander.deucher@amd.com>
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "dev/drm/drmP.h"
#include "dev/drm/drm.h"
#include "dev/drm/radeon_drm.h"
#include "dev/drm/radeon_drv.h"
#include "dev/drm/r600_microcode.h"
# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */
# define ATI_PCIGART_PAGE_MASK (~(ATI_PCIGART_PAGE_SIZE-1))
#define R600_PTE_VALID (1 << 0)
#define R600_PTE_SYSTEM (1 << 1)
#define R600_PTE_SNOOPED (1 << 2)
#define R600_PTE_READABLE (1 << 5)
#define R600_PTE_WRITEABLE (1 << 6)
/* MAX values used for gfx init */
#define R6XX_MAX_SH_GPRS 256
#define R6XX_MAX_TEMP_GPRS 16
#define R6XX_MAX_SH_THREADS 256
#define R6XX_MAX_SH_STACK_ENTRIES 4096
#define R6XX_MAX_BACKENDS 8
#define R6XX_MAX_BACKENDS_MASK 0xff
#define R6XX_MAX_SIMDS 8
#define R6XX_MAX_SIMDS_MASK 0xff
#define R6XX_MAX_PIPES 8
#define R6XX_MAX_PIPES_MASK 0xff
#define R7XX_MAX_SH_GPRS 256
#define R7XX_MAX_TEMP_GPRS 16
#define R7XX_MAX_SH_THREADS 256
#define R7XX_MAX_SH_STACK_ENTRIES 4096
#define R7XX_MAX_BACKENDS 8
#define R7XX_MAX_BACKENDS_MASK 0xff
#define R7XX_MAX_SIMDS 16
#define R7XX_MAX_SIMDS_MASK 0xffff
#define R7XX_MAX_PIPES 8
#define R7XX_MAX_PIPES_MASK 0xff
static int r600_do_wait_for_fifo(drm_radeon_private_t *dev_priv, int entries)
{
int i;
dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
for (i = 0; i < dev_priv->usec_timeout; i++) {
int slots;
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
slots = (RADEON_READ(R600_GRBM_STATUS)
& R700_CMDFIFO_AVAIL_MASK);
else
slots = (RADEON_READ(R600_GRBM_STATUS)
& R600_CMDFIFO_AVAIL_MASK);
if (slots >= entries)
return 0;
DRM_UDELAY(1);
}
DRM_INFO("wait for fifo failed status : 0x%08X 0x%08X\n",
RADEON_READ(R600_GRBM_STATUS),
RADEON_READ(R600_GRBM_STATUS2));
return -EBUSY;
}
static int r600_do_wait_for_idle(drm_radeon_private_t *dev_priv)
{
int i, ret;
dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
ret = r600_do_wait_for_fifo(dev_priv, 8);
else
ret = r600_do_wait_for_fifo(dev_priv, 16);
if (ret)
return ret;
for (i = 0; i < dev_priv->usec_timeout; i++) {
if (!(RADEON_READ(R600_GRBM_STATUS) & R600_GUI_ACTIVE))
return 0;
DRM_UDELAY(1);
}
DRM_INFO("wait idle failed status : 0x%08X 0x%08X\n",
RADEON_READ(R600_GRBM_STATUS),
RADEON_READ(R600_GRBM_STATUS2));
return -EBUSY;
}
void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
{
#ifdef __linux__
struct drm_sg_mem *entry = dev->sg;
int max_pages;
int pages;
int i;
#endif
if (gart_info->bus_addr) {
#ifdef __linux__
max_pages = (gart_info->table_size / sizeof(u32));
pages = (entry->pages <= max_pages)
? entry->pages : max_pages;
for (i = 0; i < pages; i++) {
if (!entry->busaddr[i])
break;
pci_unmap_single(dev->pdev, entry->busaddr[i],
PAGE_SIZE, PCI_DMA_TODEVICE);
}
#endif
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
gart_info->bus_addr = 0;
}
}
/* R600 has page table setup */
int r600_page_table_init(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info;
struct drm_sg_mem *entry = dev->sg;
int ret = 0;
int i, j;
int max_pages, pages;
u64 *pci_gart, page_base;
dma_addr_t entry_addr;
/* okay page table is available - lets rock */
/* PTEs are 64-bits */
pci_gart = (u64 *)gart_info->addr;
max_pages = (gart_info->table_size / sizeof(u64));
pages = (entry->pages <= max_pages) ? entry->pages : max_pages;
memset(pci_gart, 0, max_pages * sizeof(u64));
for (i = 0; i < pages; i++) {
#ifdef __linux__
entry->busaddr[i] = pci_map_single(dev->pdev,
page_address(entry->
pagelist[i]),
PAGE_SIZE, PCI_DMA_TODEVICE);
if (entry->busaddr[i] == 0) {
DRM_ERROR("unable to map PCIGART pages!\n");
r600_page_table_cleanup(dev, gart_info);
goto done;
}
#endif
entry_addr = entry->busaddr[i];
for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
page_base = (u64) entry_addr & ATI_PCIGART_PAGE_MASK;
page_base |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
page_base |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
*pci_gart = page_base;
if ((i % 128) == 0)
DRM_DEBUG("page entry %d: 0x%016llx\n",
i, (unsigned long long)page_base);
pci_gart++;
entry_addr += ATI_PCIGART_PAGE_SIZE;
}
}
ret = 1;
#ifdef __linux__
done:
#endif
return ret;
}
static void r600_vm_flush_gart_range(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
u32 resp, countdown = 1000;
RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_LOW_ADDR, dev_priv->gart_vm_start >> 12);
RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
RADEON_WRITE(R600_VM_CONTEXT0_REQUEST_RESPONSE, 2);
do {
resp = RADEON_READ(R600_VM_CONTEXT0_REQUEST_RESPONSE);
countdown--;
DRM_UDELAY(1);
} while (((resp & 0xf0) == 0) && countdown);
}
static void r600_vm_init(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
/* initialise the VM to use the page table we constructed up there */
u32 vm_c0, i;
u32 mc_rd_a;
u32 vm_l2_cntl, vm_l2_cntl3;
/* okay set up the PCIE aperture type thingo */
RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
/* setup MC RD a */
mc_rd_a = R600_MCD_L1_TLB | R600_MCD_L1_FRAG_PROC | R600_MCD_SYSTEM_ACCESS_MODE_IN_SYS |
R600_MCD_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | R600_MCD_EFFECTIVE_L1_TLB_SIZE(5) |
R600_MCD_EFFECTIVE_L1_QUEUE_SIZE(5) | R600_MCD_WAIT_L2_QUERY;
RADEON_WRITE(R600_MCD_RD_A_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_RD_B_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_WR_A_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_WR_B_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_RD_GFX_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_WR_GFX_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_RD_SYS_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_WR_SYS_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_RD_HDP_CNTL, mc_rd_a | R600_MCD_L1_STRICT_ORDERING);
RADEON_WRITE(R600_MCD_WR_HDP_CNTL, mc_rd_a /*| R600_MCD_L1_STRICT_ORDERING*/);
RADEON_WRITE(R600_MCD_RD_PDMA_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_WR_PDMA_CNTL, mc_rd_a);
RADEON_WRITE(R600_MCD_RD_SEM_CNTL, mc_rd_a | R600_MCD_SEMAPHORE_MODE);
RADEON_WRITE(R600_MCD_WR_SEM_CNTL, mc_rd_a);
vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
vm_l2_cntl |= R600_VM_L2_CNTL_QUEUE_SIZE(7);
RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
RADEON_WRITE(R600_VM_L2_CNTL2, 0);
vm_l2_cntl3 = (R600_VM_L2_CNTL3_BANK_SELECT_0(0) |
R600_VM_L2_CNTL3_BANK_SELECT_1(1) |
R600_VM_L2_CNTL3_CACHE_UPDATE_MODE(2));
RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
/* disable all other contexts */
for (i = 1; i < 8; i++)
RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
r600_vm_flush_gart_range(dev);
}
/* load r600 microcode */
static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
{
const u32 (*cp)[3];
const u32 *pfp;
int i;
switch (dev_priv->flags & RADEON_FAMILY_MASK) {
case CHIP_R600:
DRM_INFO("Loading R600 Microcode\n");
cp = R600_cp_microcode;
pfp = R600_pfp_microcode;
break;
case CHIP_RV610:
DRM_INFO("Loading RV610 Microcode\n");
cp = RV610_cp_microcode;
pfp = RV610_pfp_microcode;
break;
case CHIP_RV630:
DRM_INFO("Loading RV630 Microcode\n");
cp = RV630_cp_microcode;
pfp = RV630_pfp_microcode;
break;
case CHIP_RV620:
DRM_INFO("Loading RV620 Microcode\n");
cp = RV620_cp_microcode;
pfp = RV620_pfp_microcode;
break;
case CHIP_RV635:
DRM_INFO("Loading RV635 Microcode\n");
cp = RV635_cp_microcode;
pfp = RV635_pfp_microcode;
break;
case CHIP_RV670:
DRM_INFO("Loading RV670 Microcode\n");
cp = RV670_cp_microcode;
pfp = RV670_pfp_microcode;
break;
case CHIP_RS780:
DRM_INFO("Loading RS780 Microcode\n");
cp = RS780_cp_microcode;
pfp = RS780_pfp_microcode;
break;
default:
return;
}
r600_do_cp_stop(dev_priv);
RADEON_WRITE(R600_CP_RB_CNTL,
R600_RB_NO_UPDATE |
R600_RB_BLKSZ(15) |
R600_RB_BUFSZ(3));
RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
RADEON_READ(R600_GRBM_SOFT_RESET);
DRM_UDELAY(15000);
RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
for (i = 0; i < PM4_UCODE_SIZE; i++) {
RADEON_WRITE(R600_CP_ME_RAM_DATA, cp[i][0]);
RADEON_WRITE(R600_CP_ME_RAM_DATA, cp[i][1]);
RADEON_WRITE(R600_CP_ME_RAM_DATA, cp[i][2]);
}
RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
for (i = 0; i < PFP_UCODE_SIZE; i++)
RADEON_WRITE(R600_CP_PFP_UCODE_DATA, pfp[i]);
RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
}
static void r700_vm_init(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
/* initialise the VM to use the page table we constructed up there */
u32 vm_c0, i;
u32 mc_vm_md_l1;
u32 vm_l2_cntl, vm_l2_cntl3;
/* okay set up the PCIE aperture type thingo */
RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
mc_vm_md_l1 = R700_ENABLE_L1_TLB |
R700_ENABLE_L1_FRAGMENT_PROCESSING |
R700_SYSTEM_ACCESS_MODE_IN_SYS |
R700_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
R700_EFFECTIVE_L1_TLB_SIZE(5) |
R700_EFFECTIVE_L1_QUEUE_SIZE(5);
RADEON_WRITE(R700_MC_VM_MD_L1_TLB0_CNTL, mc_vm_md_l1);
RADEON_WRITE(R700_MC_VM_MD_L1_TLB1_CNTL, mc_vm_md_l1);
RADEON_WRITE(R700_MC_VM_MD_L1_TLB2_CNTL, mc_vm_md_l1);
RADEON_WRITE(R700_MC_VM_MB_L1_TLB0_CNTL, mc_vm_md_l1);
RADEON_WRITE(R700_MC_VM_MB_L1_TLB1_CNTL, mc_vm_md_l1);
RADEON_WRITE(R700_MC_VM_MB_L1_TLB2_CNTL, mc_vm_md_l1);
RADEON_WRITE(R700_MC_VM_MB_L1_TLB3_CNTL, mc_vm_md_l1);
vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
vm_l2_cntl |= R700_VM_L2_CNTL_QUEUE_SIZE(7);
RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
RADEON_WRITE(R600_VM_L2_CNTL2, 0);
vm_l2_cntl3 = R700_VM_L2_CNTL3_BANK_SELECT(0) | R700_VM_L2_CNTL3_CACHE_UPDATE_MODE(2);
RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
/* disable all other contexts */
for (i = 1; i < 8; i++)
RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
r600_vm_flush_gart_range(dev);
}
/* load r600 microcode */
static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv)
{
const u32 *pfp;
const u32 *cp;
int i;
switch (dev_priv->flags & RADEON_FAMILY_MASK) {
case CHIP_RV770:
DRM_INFO("Loading RV770/RV790 Microcode\n");
pfp = RV770_pfp_microcode;
cp = RV770_cp_microcode;
break;
case CHIP_RV730:
DRM_INFO("Loading RV730 Microcode\n");
pfp = RV730_pfp_microcode;
cp = RV730_cp_microcode;
break;
case CHIP_RV710:
DRM_INFO("Loading RV710 Microcode\n");
pfp = RV710_pfp_microcode;
cp = RV710_cp_microcode;
break;
default:
return;
}
r600_do_cp_stop(dev_priv);
RADEON_WRITE(R600_CP_RB_CNTL,
R600_RB_NO_UPDATE |
(15 << 8) |
(3 << 0));
RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
RADEON_READ(R600_GRBM_SOFT_RESET);
DRM_UDELAY(15000);
RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
RADEON_WRITE(R600_CP_PFP_UCODE_DATA, pfp[i]);
RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
RADEON_WRITE(R600_CP_ME_RAM_DATA, cp[i]);
RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
}
static void r600_test_writeback(drm_radeon_private_t *dev_priv)
{
u32 tmp;
/* Start with assuming that writeback doesn't work */
dev_priv->writeback_works = 0;
/* Writeback doesn't seem to work everywhere, test it here and possibly
* enable it if it appears to work
*/
radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
RADEON_WRITE(R600_SCRATCH_REG1, 0xdeadbeef);
for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
u32 val;
val = radeon_read_ring_rptr(dev_priv, R600_SCRATCHOFF(1));
if (val == 0xdeadbeef)
break;
DRM_UDELAY(1);
}
if (tmp < dev_priv->usec_timeout) {
dev_priv->writeback_works = 1;
DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
} else {
dev_priv->writeback_works = 0;
DRM_INFO("writeback test failed\n");
}
if (radeon_no_wb == 1) {
dev_priv->writeback_works = 0;
DRM_INFO("writeback forced off\n");
}
if (!dev_priv->writeback_works) {
/* Disable writeback to avoid unnecessary bus master transfer */
RADEON_WRITE(R600_CP_RB_CNTL, RADEON_READ(R600_CP_RB_CNTL) |
RADEON_RB_NO_UPDATE);
RADEON_WRITE(R600_SCRATCH_UMSK, 0);
}
}
int r600_do_engine_reset(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
u32 cp_ptr, cp_me_cntl, cp_rb_cntl;
DRM_INFO("Resetting GPU\n");
cp_ptr = RADEON_READ(R600_CP_RB_WPTR);
cp_me_cntl = RADEON_READ(R600_CP_ME_CNTL);
RADEON_WRITE(R600_CP_ME_CNTL, R600_CP_ME_HALT);
RADEON_WRITE(R600_GRBM_SOFT_RESET, 0x7fff);
RADEON_READ(R600_GRBM_SOFT_RESET);
DRM_UDELAY(50);
RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
RADEON_READ(R600_GRBM_SOFT_RESET);
RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
cp_rb_cntl = RADEON_READ(R600_CP_RB_CNTL);
RADEON_WRITE(R600_CP_RB_CNTL, R600_RB_RPTR_WR_ENA);
RADEON_WRITE(R600_CP_RB_RPTR_WR, cp_ptr);
RADEON_WRITE(R600_CP_RB_WPTR, cp_ptr);
RADEON_WRITE(R600_CP_RB_CNTL, cp_rb_cntl);
RADEON_WRITE(R600_CP_ME_CNTL, cp_me_cntl);
/* Reset the CP ring */
r600_do_cp_reset(dev_priv);
/* The CP is no longer running after an engine reset */
dev_priv->cp_running = 0;
/* Reset any pending vertex, indirect buffers */
radeon_freelist_reset(dev);
return 0;
}
static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
u32 num_backends,
u32 backend_disable_mask)
{
u32 backend_map = 0;
u32 enabled_backends_mask;
u32 enabled_backends_count;
u32 cur_pipe;
u32 swizzle_pipe[R6XX_MAX_PIPES];
u32 cur_backend;
u32 i;
if (num_tile_pipes > R6XX_MAX_PIPES)
num_tile_pipes = R6XX_MAX_PIPES;
if (num_tile_pipes < 1)
num_tile_pipes = 1;
if (num_backends > R6XX_MAX_BACKENDS)
num_backends = R6XX_MAX_BACKENDS;
if (num_backends < 1)
num_backends = 1;
enabled_backends_mask = 0;
enabled_backends_count = 0;
for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
if (((backend_disable_mask >> i) & 1) == 0) {
enabled_backends_mask |= (1 << i);
++enabled_backends_count;
}
if (enabled_backends_count == num_backends)
break;
}
if (enabled_backends_count == 0) {
enabled_backends_mask = 1;
enabled_backends_count = 1;
}
if (enabled_backends_count != num_backends)
num_backends = enabled_backends_count;
memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
switch (num_tile_pipes) {
case 1:
swizzle_pipe[0] = 0;
break;
case 2:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 1;
break;
case 3:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 1;
swizzle_pipe[2] = 2;
break;
case 4:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 1;
swizzle_pipe[2] = 2;
swizzle_pipe[3] = 3;
break;
case 5:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 1;
swizzle_pipe[2] = 2;
swizzle_pipe[3] = 3;
swizzle_pipe[4] = 4;
break;
case 6:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 2;
swizzle_pipe[2] = 4;
swizzle_pipe[3] = 5;
swizzle_pipe[4] = 1;
swizzle_pipe[5] = 3;
break;
case 7:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 2;
swizzle_pipe[2] = 4;
swizzle_pipe[3] = 6;
swizzle_pipe[4] = 1;
swizzle_pipe[5] = 3;
swizzle_pipe[6] = 5;
break;
case 8:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 2;
swizzle_pipe[2] = 4;
swizzle_pipe[3] = 6;
swizzle_pipe[4] = 1;
swizzle_pipe[5] = 3;
swizzle_pipe[6] = 5;
swizzle_pipe[7] = 7;
break;
}
cur_backend = 0;
for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
while (((1 << cur_backend) & enabled_backends_mask) == 0)
cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
}
return backend_map;
}
static int r600_count_pipe_bits(uint32_t val)
{
int i, ret = 0;
for (i = 0; i < 32; i++) {
ret += val & 1;
val >>= 1;
}
return ret;
}
static void r600_gfx_init(struct drm_device *dev,
drm_radeon_private_t *dev_priv)
{
int i, j, num_qd_pipes;
u32 sx_debug_1;
u32 tc_cntl;
u32 arb_pop;
u32 num_gs_verts_per_thread;
u32 vgt_gs_per_es;
u32 gs_prim_buffer_depth = 0;
u32 sq_ms_fifo_sizes;
u32 sq_config;
u32 sq_gpr_resource_mgmt_1 = 0;
u32 sq_gpr_resource_mgmt_2 = 0;
u32 sq_thread_resource_mgmt = 0;
u32 sq_stack_resource_mgmt_1 = 0;
u32 sq_stack_resource_mgmt_2 = 0;
u32 hdp_host_path_cntl;
u32 backend_map;
u32 gb_tiling_config = 0;
u32 cc_rb_backend_disable = 0;
u32 cc_gc_shader_pipe_config = 0;
u32 ramcfg;
/* setup chip specs */
switch (dev_priv->flags & RADEON_FAMILY_MASK) {
case CHIP_R600:
dev_priv->r600_max_pipes = 4;
dev_priv->r600_max_tile_pipes = 8;
dev_priv->r600_max_simds = 4;
dev_priv->r600_max_backends = 4;
dev_priv->r600_max_gprs = 256;
dev_priv->r600_max_threads = 192;
dev_priv->r600_max_stack_entries = 256;
dev_priv->r600_max_hw_contexts = 8;
dev_priv->r600_max_gs_threads = 16;
dev_priv->r600_sx_max_export_size = 128;
dev_priv->r600_sx_max_export_pos_size = 16;
dev_priv->r600_sx_max_export_smx_size = 128;
dev_priv->r600_sq_num_cf_insts = 2;
break;
case CHIP_RV630:
case CHIP_RV635:
dev_priv->r600_max_pipes = 2;
dev_priv->r600_max_tile_pipes = 2;
dev_priv->r600_max_simds = 3;
dev_priv->r600_max_backends = 1;
dev_priv->r600_max_gprs = 128;
dev_priv->r600_max_threads = 192;
dev_priv->r600_max_stack_entries = 128;
dev_priv->r600_max_hw_contexts = 8;
dev_priv->r600_max_gs_threads = 4;
dev_priv->r600_sx_max_export_size = 128;
dev_priv->r600_sx_max_export_pos_size = 16;
dev_priv->r600_sx_max_export_smx_size = 128;
dev_priv->r600_sq_num_cf_insts = 2;
break;
case CHIP_RV610:
case CHIP_RS780:
case CHIP_RV620:
dev_priv->r600_max_pipes = 1;
dev_priv->r600_max_tile_pipes = 1;
dev_priv->r600_max_simds = 2;
dev_priv->r600_max_backends = 1;
dev_priv->r600_max_gprs = 128;
dev_priv->r600_max_threads = 192;
dev_priv->r600_max_stack_entries = 128;
dev_priv->r600_max_hw_contexts = 4;
dev_priv->r600_max_gs_threads = 4;
dev_priv->r600_sx_max_export_size = 128;
dev_priv->r600_sx_max_export_pos_size = 16;
dev_priv->r600_sx_max_export_smx_size = 128;
dev_priv->r600_sq_num_cf_insts = 1;
break;
case CHIP_RV670:
dev_priv->r600_max_pipes = 4;
dev_priv->r600_max_tile_pipes = 4;
dev_priv->r600_max_simds = 4;
dev_priv->r600_max_backends = 4;
dev_priv->r600_max_gprs = 192;
dev_priv->r600_max_threads = 192;
dev_priv->r600_max_stack_entries = 256;
dev_priv->r600_max_hw_contexts = 8;
dev_priv->r600_max_gs_threads = 16;
dev_priv->r600_sx_max_export_size = 128;
dev_priv->r600_sx_max_export_pos_size = 16;
dev_priv->r600_sx_max_export_smx_size = 128;
dev_priv->r600_sq_num_cf_insts = 2;
break;
default:
break;
}
/* Initialize HDP */
j = 0;
for (i = 0; i < 32; i++) {
RADEON_WRITE((0x2c14 + j), 0x00000000);
RADEON_WRITE((0x2c18 + j), 0x00000000);
RADEON_WRITE((0x2c1c + j), 0x00000000);
RADEON_WRITE((0x2c20 + j), 0x00000000);
RADEON_WRITE((0x2c24 + j), 0x00000000);
j += 0x18;
}
RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
/* setup tiling, simd, pipe config */
ramcfg = RADEON_READ(R600_RAMCFG);
switch (dev_priv->r600_max_tile_pipes) {
case 1:
gb_tiling_config |= R600_PIPE_TILING(0);
break;
case 2:
gb_tiling_config |= R600_PIPE_TILING(1);
break;
case 4:
gb_tiling_config |= R600_PIPE_TILING(2);
break;
case 8:
gb_tiling_config |= R600_PIPE_TILING(3);
break;
default:
break;
}
gb_tiling_config |= R600_BANK_TILING((ramcfg >> R600_NOOFBANK_SHIFT) & R600_NOOFBANK_MASK);
gb_tiling_config |= R600_GROUP_SIZE(0);
if (((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK) > 3) {
gb_tiling_config |= R600_ROW_TILING(3);
gb_tiling_config |= R600_SAMPLE_SPLIT(3);
} else {
gb_tiling_config |=
R600_ROW_TILING(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
gb_tiling_config |=
R600_SAMPLE_SPLIT(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
}
gb_tiling_config |= R600_BANK_SWAPS(1);
backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
dev_priv->r600_max_backends,
(0xff << dev_priv->r600_max_backends) & 0xff);
gb_tiling_config |= R600_BACKEND_MAP(backend_map);
cc_gc_shader_pipe_config =
R600_INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R6XX_MAX_PIPES_MASK);
cc_gc_shader_pipe_config |=
R600_INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R6XX_MAX_SIMDS_MASK);
cc_rb_backend_disable =
R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
RADEON_WRITE(R600_GB_TILING_CONFIG, gb_tiling_config);
RADEON_WRITE(R600_DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
RADEON_WRITE(R600_HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
num_qd_pipes =
R6XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
/* set HW defaults for 3D engine */
RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
R600_ROQ_IB2_START(0x2b)));
RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, (R600_MEQ_END(0x40) |
R600_ROQ_END(0x40)));
RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
R600_SYNC_GRADIENT |
R600_SYNC_WALKER |
R600_SYNC_ALIGNER));
if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670)
RADEON_WRITE(R600_ARB_GDEC_RD_CNTL, 0x00000021);
sx_debug_1 = RADEON_READ(R600_SX_DEBUG_1);
sx_debug_1 |= R600_SMX_EVENT_RELEASE;
if (((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_R600))
sx_debug_1 |= R600_ENABLE_NEW_SMX_ADDRESS;
RADEON_WRITE(R600_SX_DEBUG_1, sx_debug_1);
if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780))
RADEON_WRITE(R600_DB_DEBUG, R600_PREZ_MUST_WAIT_FOR_POSTZ_DONE);
else
RADEON_WRITE(R600_DB_DEBUG, 0);
RADEON_WRITE(R600_DB_WATERMARKS, (R600_DEPTH_FREE(4) |
R600_DEPTH_FLUSH(16) |
R600_DEPTH_PENDING_FREE(4) |
R600_DEPTH_CACHELINE_FREE(16)));
RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
RADEON_WRITE(R600_VGT_NUM_INSTANCES, 0);
RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(0));
sq_ms_fifo_sizes = RADEON_READ(R600_SQ_MS_FIFO_SIZES);
if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(0xa) |
R600_FETCH_FIFO_HIWATER(0xa) |
R600_DONE_FIFO_HIWATER(0xe0) |
R600_ALU_UPDATE_FIFO_HIWATER(0x8));
} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630)) {
sq_ms_fifo_sizes &= ~R600_DONE_FIFO_HIWATER(0xff);
sq_ms_fifo_sizes |= R600_DONE_FIFO_HIWATER(0x4);
}
RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
* should be adjusted as needed by the 2D/3D drivers. This just sets default values
*/
sq_config = RADEON_READ(R600_SQ_CONFIG);
sq_config &= ~(R600_PS_PRIO(3) |
R600_VS_PRIO(3) |
R600_GS_PRIO(3) |
R600_ES_PRIO(3));
sq_config |= (R600_DX9_CONSTS |
R600_VC_ENABLE |
R600_PS_PRIO(0) |
R600_VS_PRIO(1) |
R600_GS_PRIO(2) |
R600_ES_PRIO(3));
if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) {
sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(124) |
R600_NUM_VS_GPRS(124) |
R600_NUM_CLAUSE_TEMP_GPRS(4));
sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(0) |
R600_NUM_ES_GPRS(0));
sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(136) |
R600_NUM_VS_THREADS(48) |
R600_NUM_GS_THREADS(4) |
R600_NUM_ES_THREADS(4));
sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(128) |
R600_NUM_VS_STACK_ENTRIES(128));
sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(0) |
R600_NUM_ES_STACK_ENTRIES(0));
} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
/* no vertex cache */
sq_config &= ~R600_VC_ENABLE;
sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
R600_NUM_VS_GPRS(44) |
R600_NUM_CLAUSE_TEMP_GPRS(2));
sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
R600_NUM_ES_GPRS(17));
sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
R600_NUM_VS_THREADS(78) |
R600_NUM_GS_THREADS(4) |
R600_NUM_ES_THREADS(31));
sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
R600_NUM_VS_STACK_ENTRIES(40));
sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
R600_NUM_ES_STACK_ENTRIES(16));
} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV635)) {
sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
R600_NUM_VS_GPRS(44) |
R600_NUM_CLAUSE_TEMP_GPRS(2));
sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(18) |
R600_NUM_ES_GPRS(18));
sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
R600_NUM_VS_THREADS(78) |
R600_NUM_GS_THREADS(4) |
R600_NUM_ES_THREADS(31));
sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
R600_NUM_VS_STACK_ENTRIES(40));
sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
R600_NUM_ES_STACK_ENTRIES(16));
} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670) {
sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
R600_NUM_VS_GPRS(44) |
R600_NUM_CLAUSE_TEMP_GPRS(2));
sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
R600_NUM_ES_GPRS(17));
sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
R600_NUM_VS_THREADS(78) |
R600_NUM_GS_THREADS(4) |
R600_NUM_ES_THREADS(31));
sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(64) |
R600_NUM_VS_STACK_ENTRIES(64));
sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(64) |
R600_NUM_ES_STACK_ENTRIES(64));
}
RADEON_WRITE(R600_SQ_CONFIG, sq_config);
RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780))
RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_TC_ONLY));
else
RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_VC_AND_TC));
RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_2S, (R600_S0_X(0xc) |
R600_S0_Y(0x4) |
R600_S1_X(0x4) |
R600_S1_Y(0xc)));
RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_4S, (R600_S0_X(0xe) |
R600_S0_Y(0xe) |
R600_S1_X(0x2) |
R600_S1_Y(0x2) |
R600_S2_X(0xa) |
R600_S2_Y(0x6) |
R600_S3_X(0x6) |
R600_S3_Y(0xa)));
RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD0, (R600_S0_X(0xe) |
R600_S0_Y(0xb) |
R600_S1_X(0x4) |
R600_S1_Y(0xc) |
R600_S2_X(0x1) |
R600_S2_Y(0x6) |
R600_S3_X(0xa) |
R600_S3_Y(0xe)));
RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD1, (R600_S4_X(0x6) |
R600_S4_Y(0x1) |
R600_S5_X(0x0) |
R600_S5_Y(0x0) |
R600_S6_X(0xb) |
R600_S6_Y(0x4) |
R600_S7_X(0x7) |
R600_S7_Y(0x8)));
switch (dev_priv->flags & RADEON_FAMILY_MASK) {
case CHIP_R600:
case CHIP_RV630:
case CHIP_RV635:
gs_prim_buffer_depth = 0;
break;
case CHIP_RV610:
case CHIP_RS780:
case CHIP_RV620:
gs_prim_buffer_depth = 32;
break;
case CHIP_RV670:
gs_prim_buffer_depth = 128;
break;
default:
break;
}
num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
/* Max value for this is 256 */
if (vgt_gs_per_es > 256)
vgt_gs_per_es = 256;
RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
/* more default values. 2D/3D driver should adjust as needed */
RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
RADEON_WRITE(R600_SX_MISC, 0);
RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
RADEON_WRITE(R600_SPI_INPUT_Z, 0);
RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
/* clear render buffer base addresses */
RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
switch (dev_priv->flags & RADEON_FAMILY_MASK) {
case CHIP_RV610:
case CHIP_RS780:
case CHIP_RV620:
tc_cntl = R600_TC_L2_SIZE(8);
break;
case CHIP_RV630:
case CHIP_RV635:
tc_cntl = R600_TC_L2_SIZE(4);
break;
case CHIP_R600:
tc_cntl = R600_TC_L2_SIZE(0) | R600_L2_DISABLE_LATE_HIT;
break;
default:
tc_cntl = R600_TC_L2_SIZE(0);
break;
}
RADEON_WRITE(R600_TC_CNTL, tc_cntl);
hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
arb_pop = RADEON_READ(R600_ARB_POP);
arb_pop |= R600_ENABLE_TC128;
RADEON_WRITE(R600_ARB_POP, arb_pop);
RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
R600_NUM_CLIP_SEQ(3)));
RADEON_WRITE(R600_PA_SC_ENHANCE, R600_FORCE_EOV_MAX_CLK_CNT(4095));
}
static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
u32 num_backends,
u32 backend_disable_mask)
{
u32 backend_map = 0;
u32 enabled_backends_mask;
u32 enabled_backends_count;
u32 cur_pipe;
u32 swizzle_pipe[R7XX_MAX_PIPES];
u32 cur_backend;
u32 i;
if (num_tile_pipes > R7XX_MAX_PIPES)
num_tile_pipes = R7XX_MAX_PIPES;
if (num_tile_pipes < 1)
num_tile_pipes = 1;
if (num_backends > R7XX_MAX_BACKENDS)
num_backends = R7XX_MAX_BACKENDS;
if (num_backends < 1)
num_backends = 1;
enabled_backends_mask = 0;
enabled_backends_count = 0;
for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
if (((backend_disable_mask >> i) & 1) == 0) {
enabled_backends_mask |= (1 << i);
++enabled_backends_count;
}
if (enabled_backends_count == num_backends)
break;
}
if (enabled_backends_count == 0) {
enabled_backends_mask = 1;
enabled_backends_count = 1;
}
if (enabled_backends_count != num_backends)
num_backends = enabled_backends_count;
memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
switch (num_tile_pipes) {
case 1:
swizzle_pipe[0] = 0;
break;
case 2:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 1;
break;
case 3:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 2;
swizzle_pipe[2] = 1;
break;
case 4:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 2;
swizzle_pipe[2] = 3;
swizzle_pipe[3] = 1;
break;
case 5:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 2;
swizzle_pipe[2] = 4;
swizzle_pipe[3] = 1;
swizzle_pipe[4] = 3;
break;
case 6:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 2;
swizzle_pipe[2] = 4;
swizzle_pipe[3] = 5;
swizzle_pipe[4] = 3;
swizzle_pipe[5] = 1;
break;
case 7:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 2;
swizzle_pipe[2] = 4;
swizzle_pipe[3] = 6;
swizzle_pipe[4] = 3;
swizzle_pipe[5] = 1;
swizzle_pipe[6] = 5;
break;
case 8:
swizzle_pipe[0] = 0;
swizzle_pipe[1] = 2;
swizzle_pipe[2] = 4;
swizzle_pipe[3] = 6;
swizzle_pipe[4] = 3;
swizzle_pipe[5] = 1;
swizzle_pipe[6] = 7;
swizzle_pipe[7] = 5;
break;
}
cur_backend = 0;
for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
while (((1 << cur_backend) & enabled_backends_mask) == 0)
cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
}
return backend_map;
}
static void r700_gfx_init(struct drm_device *dev,
drm_radeon_private_t *dev_priv)
{
int i, j, num_qd_pipes;
u32 sx_debug_1;
u32 smx_dc_ctl0;
u32 num_gs_verts_per_thread;
u32 vgt_gs_per_es;
u32 gs_prim_buffer_depth = 0;
u32 sq_ms_fifo_sizes;
u32 sq_config;
u32 sq_thread_resource_mgmt;
u32 hdp_host_path_cntl;
u32 sq_dyn_gpr_size_simd_ab_0;
u32 backend_map;
u32 gb_tiling_config = 0;
u32 cc_rb_backend_disable = 0;
u32 cc_gc_shader_pipe_config = 0;
u32 mc_arb_ramcfg;
u32 db_debug4;
/* setup chip specs */
switch (dev_priv->flags & RADEON_FAMILY_MASK) {
case CHIP_RV770:
dev_priv->r600_max_pipes = 4;
dev_priv->r600_max_tile_pipes = 8;
dev_priv->r600_max_simds = 10;
dev_priv->r600_max_backends = 4;
dev_priv->r600_max_gprs = 256;
dev_priv->r600_max_threads = 248;
dev_priv->r600_max_stack_entries = 512;
dev_priv->r600_max_hw_contexts = 8;
dev_priv->r600_max_gs_threads = 16 * 2;
dev_priv->r600_sx_max_export_size = 128;
dev_priv->r600_sx_max_export_pos_size = 16;
dev_priv->r600_sx_max_export_smx_size = 112;
dev_priv->r600_sq_num_cf_insts = 2;
dev_priv->r700_sx_num_of_sets = 7;
dev_priv->r700_sc_prim_fifo_size = 0xF9;
dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
break;
case CHIP_RV730:
dev_priv->r600_max_pipes = 2;
dev_priv->r600_max_tile_pipes = 4;
dev_priv->r600_max_simds = 8;
dev_priv->r600_max_backends = 2;
dev_priv->r600_max_gprs = 128;
dev_priv->r600_max_threads = 248;
dev_priv->r600_max_stack_entries = 256;
dev_priv->r600_max_hw_contexts = 8;
dev_priv->r600_max_gs_threads = 16 * 2;
dev_priv->r600_sx_max_export_size = 256;
dev_priv->r600_sx_max_export_pos_size = 32;
dev_priv->r600_sx_max_export_smx_size = 224;
dev_priv->r600_sq_num_cf_insts = 2;
dev_priv->r700_sx_num_of_sets = 7;
dev_priv->r700_sc_prim_fifo_size = 0xf9;
dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
break;
case CHIP_RV710:
dev_priv->r600_max_pipes = 2;
dev_priv->r600_max_tile_pipes = 2;
dev_priv->r600_max_simds = 2;
dev_priv->r600_max_backends = 1;
dev_priv->r600_max_gprs = 256;
dev_priv->r600_max_threads = 192;
dev_priv->r600_max_stack_entries = 256;
dev_priv->r600_max_hw_contexts = 4;
dev_priv->r600_max_gs_threads = 8 * 2;
dev_priv->r600_sx_max_export_size = 128;
dev_priv->r600_sx_max_export_pos_size = 16;
dev_priv->r600_sx_max_export_smx_size = 112;
dev_priv->r600_sq_num_cf_insts = 1;
dev_priv->r700_sx_num_of_sets = 7;
dev_priv->r700_sc_prim_fifo_size = 0x40;
dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
break;
default:
break;
}
/* Initialize HDP */
j = 0;
for (i = 0; i < 32; i++) {
RADEON_WRITE((0x2c14 + j), 0x00000000);
RADEON_WRITE((0x2c18 + j), 0x00000000);
RADEON_WRITE((0x2c1c + j), 0x00000000);
RADEON_WRITE((0x2c20 + j), 0x00000000);
RADEON_WRITE((0x2c24 + j), 0x00000000);
j += 0x18;
}
RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
/* setup tiling, simd, pipe config */
mc_arb_ramcfg = RADEON_READ(R700_MC_ARB_RAMCFG);
switch (dev_priv->r600_max_tile_pipes) {
case 1:
gb_tiling_config |= R600_PIPE_TILING(0);
break;
case 2:
gb_tiling_config |= R600_PIPE_TILING(1);
break;
case 4:
gb_tiling_config |= R600_PIPE_TILING(2);
break;
case 8:
gb_tiling_config |= R600_PIPE_TILING(3);
break;
default:
break;
}
if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
gb_tiling_config |= R600_BANK_TILING(1);
else
gb_tiling_config |= R600_BANK_TILING((mc_arb_ramcfg >> R700_NOOFBANK_SHIFT) & R700_NOOFBANK_MASK);
gb_tiling_config |= R600_GROUP_SIZE(0);
if (((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK) > 3) {
gb_tiling_config |= R600_ROW_TILING(3);
gb_tiling_config |= R600_SAMPLE_SPLIT(3);
} else {
gb_tiling_config |=
R600_ROW_TILING(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
gb_tiling_config |=
R600_SAMPLE_SPLIT(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
}
gb_tiling_config |= R600_BANK_SWAPS(1);
backend_map = r700_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
dev_priv->r600_max_backends,
(0xff << dev_priv->r600_max_backends) & 0xff);
gb_tiling_config |= R600_BACKEND_MAP(backend_map);
cc_gc_shader_pipe_config =
R600_INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R7XX_MAX_PIPES_MASK);
cc_gc_shader_pipe_config |=
R600_INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R7XX_MAX_SIMDS_MASK);
cc_rb_backend_disable =
R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
RADEON_WRITE(R600_GB_TILING_CONFIG, gb_tiling_config);
RADEON_WRITE(R600_DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
RADEON_WRITE(R600_HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
RADEON_WRITE(R700_CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
RADEON_WRITE(R700_CGTS_SYS_TCC_DISABLE, 0);
RADEON_WRITE(R700_CGTS_TCC_DISABLE, 0);
RADEON_WRITE(R700_CGTS_USER_SYS_TCC_DISABLE, 0);
RADEON_WRITE(R700_CGTS_USER_TCC_DISABLE, 0);
num_qd_pipes =
R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
/* set HW defaults for 3D engine */
RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
R600_ROQ_IB2_START(0x2b)));
RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, R700_STQ_SPLIT(0x30));
RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
R600_SYNC_GRADIENT |
R600_SYNC_WALKER |
R600_SYNC_ALIGNER));
sx_debug_1 = RADEON_READ(R700_SX_DEBUG_1);
sx_debug_1 |= R700_ENABLE_NEW_SMX_ADDRESS;
RADEON_WRITE(R700_SX_DEBUG_1, sx_debug_1);
smx_dc_ctl0 = RADEON_READ(R600_SMX_DC_CTL0);
smx_dc_ctl0 &= ~R700_CACHE_DEPTH(0x1ff);
smx_dc_ctl0 |= R700_CACHE_DEPTH((dev_priv->r700_sx_num_of_sets * 64) - 1);
RADEON_WRITE(R600_SMX_DC_CTL0, smx_dc_ctl0);
RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
R700_GS_FLUSH_CTL(4) |
R700_ACK_FLUSH_CTL(3) |
R700_SYNC_FLUSH_CTL));
if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
RADEON_WRITE(R700_DB_DEBUG3, R700_DB_CLK_OFF_DELAY(0x1f));
else {
db_debug4 = RADEON_READ(RV700_DB_DEBUG4);
db_debug4 |= RV700_DISABLE_TILE_COVERED_FOR_PS_ITER;
RADEON_WRITE(RV700_DB_DEBUG4, db_debug4);
}
RADEON_WRITE(R600_SX_EXPORT_BUFFER_SIZES, (R600_COLOR_BUFFER_SIZE((dev_priv->r600_sx_max_export_size / 4) - 1) |
R600_POSITION_BUFFER_SIZE((dev_priv->r600_sx_max_export_pos_size / 4) - 1) |
R600_SMX_BUFFER_SIZE((dev_priv->r600_sx_max_export_smx_size / 4) - 1)));
RADEON_WRITE(R700_PA_SC_FIFO_SIZE_R7XX, (R700_SC_PRIM_FIFO_SIZE(dev_priv->r700_sc_prim_fifo_size) |
R700_SC_HIZ_TILE_FIFO_SIZE(dev_priv->r700_sc_hiz_tile_fifo_size) |
R700_SC_EARLYZ_TILE_FIFO_SIZE(dev_priv->r700_sc_earlyz_tile_fifo_fize)));
RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
RADEON_WRITE(R600_VGT_NUM_INSTANCES, 1);
RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(4));
RADEON_WRITE(R600_CP_PERFMON_CNTL, 0);
sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(16 * dev_priv->r600_sq_num_cf_insts) |
R600_DONE_FIFO_HIWATER(0xe0) |
R600_ALU_UPDATE_FIFO_HIWATER(0x8));
switch (dev_priv->flags & RADEON_FAMILY_MASK) {
case CHIP_RV770:
sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
break;
case CHIP_RV730:
case CHIP_RV710:
default:
sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4);
break;
}
RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
* should be adjusted as needed by the 2D/3D drivers. This just sets default values
*/
sq_config = RADEON_READ(R600_SQ_CONFIG);
sq_config &= ~(R600_PS_PRIO(3) |
R600_VS_PRIO(3) |
R600_GS_PRIO(3) |
R600_ES_PRIO(3));
sq_config |= (R600_DX9_CONSTS |
R600_VC_ENABLE |
R600_EXPORT_SRC_C |
R600_PS_PRIO(0) |
R600_VS_PRIO(1) |
R600_GS_PRIO(2) |
R600_ES_PRIO(3));
if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
/* no vertex cache */
sq_config &= ~R600_VC_ENABLE;
RADEON_WRITE(R600_SQ_CONFIG, sq_config);
RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1, (R600_NUM_PS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
R600_NUM_VS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
R600_NUM_CLAUSE_TEMP_GPRS(((dev_priv->r600_max_gprs * 24)/64)/2)));
RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2, (R600_NUM_GS_GPRS((dev_priv->r600_max_gprs * 7)/64) |
R600_NUM_ES_GPRS((dev_priv->r600_max_gprs * 7)/64)));
sq_thread_resource_mgmt = (R600_NUM_PS_THREADS((dev_priv->r600_max_threads * 4)/8) |
R600_NUM_VS_THREADS((dev_priv->r600_max_threads * 2)/8) |
R600_NUM_ES_THREADS((dev_priv->r600_max_threads * 1)/8));
if (((dev_priv->r600_max_threads * 1) / 8) > dev_priv->r600_max_gs_threads)
sq_thread_resource_mgmt |= R600_NUM_GS_THREADS(dev_priv->r600_max_gs_threads);
else
sq_thread_resource_mgmt |= R600_NUM_GS_THREADS((dev_priv->r600_max_gs_threads * 1)/8);
RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, (R600_NUM_PS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
R600_NUM_VS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, (R600_NUM_GS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
R600_NUM_ES_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
sq_dyn_gpr_size_simd_ab_0 = (R700_SIMDA_RING0((dev_priv->r600_max_gprs * 38)/64) |
R700_SIMDA_RING1((dev_priv->r600_max_gprs * 38)/64) |
R700_SIMDB_RING0((dev_priv->r600_max_gprs * 38)/64) |
R700_SIMDB_RING1((dev_priv->r600_max_gprs * 38)/64));
RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
RADEON_WRITE(R700_PA_SC_FORCE_EOV_MAX_CNTS, (R700_FORCE_EOV_MAX_CLK_CNT(4095) |
R700_FORCE_EOV_MAX_REZ_CNT(255)));
if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_TC_ONLY) |
R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
else
RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_VC_AND_TC) |
R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
switch (dev_priv->flags & RADEON_FAMILY_MASK) {
case CHIP_RV770:
case CHIP_RV730:
gs_prim_buffer_depth = 384;
break;
case CHIP_RV710:
gs_prim_buffer_depth = 128;
break;
default:
break;
}
num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
/* Max value for this is 256 */
if (vgt_gs_per_es > 256)
vgt_gs_per_es = 256;
RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
/* more default values. 2D/3D driver should adjust as needed */
RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
RADEON_WRITE(R600_SX_MISC, 0);
RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
RADEON_WRITE(R700_PA_SC_EDGERULE, 0xaaaaaaaa);
RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
RADEON_WRITE(R600_PA_SC_CLIPRECT_RULE, 0xffff);
RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
RADEON_WRITE(R600_SPI_INPUT_Z, 0);
RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
/* clear render buffer base addresses */
RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
RADEON_WRITE(R700_TCP_CNTL, 0);
hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
R600_NUM_CLIP_SEQ(3)));
}
static void r600_cp_init_ring_buffer(struct drm_device *dev,
drm_radeon_private_t *dev_priv,
struct drm_file *file_priv)
{
u32 ring_start;
u64 rptr_addr;
if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
r700_gfx_init(dev, dev_priv);
else
r600_gfx_init(dev, dev_priv);
RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
RADEON_READ(R600_GRBM_SOFT_RESET);
DRM_UDELAY(15000);
RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
/* Set ring buffer size */
#ifdef __BIG_ENDIAN
RADEON_WRITE(R600_CP_RB_CNTL,
RADEON_BUF_SWAP_32BIT |
RADEON_RB_NO_UPDATE |
(dev_priv->ring.rptr_update_l2qw << 8) |
dev_priv->ring.size_l2qw);
#else
RADEON_WRITE(R600_CP_RB_CNTL,
RADEON_RB_NO_UPDATE |
(dev_priv->ring.rptr_update_l2qw << 8) |
dev_priv->ring.size_l2qw);
#endif
RADEON_WRITE(R600_CP_SEM_WAIT_TIMER, 0x4);
/* Set the write pointer delay */
RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
#ifdef __BIG_ENDIAN
RADEON_WRITE(R600_CP_RB_CNTL,
RADEON_BUF_SWAP_32BIT |
RADEON_RB_NO_UPDATE |
RADEON_RB_RPTR_WR_ENA |
(dev_priv->ring.rptr_update_l2qw << 8) |
dev_priv->ring.size_l2qw);
#else
RADEON_WRITE(R600_CP_RB_CNTL,
RADEON_RB_NO_UPDATE |
RADEON_RB_RPTR_WR_ENA |
(dev_priv->ring.rptr_update_l2qw << 8) |
dev_priv->ring.size_l2qw);
#endif
/* Initialize the ring buffer's read and write pointers */
RADEON_WRITE(R600_CP_RB_RPTR_WR, 0);
RADEON_WRITE(R600_CP_RB_WPTR, 0);
SET_RING_HEAD(dev_priv, 0);
dev_priv->ring.tail = 0;
#if __OS_HAS_AGP
if (dev_priv->flags & RADEON_IS_AGP) {
rptr_addr = dev_priv->ring_rptr->offset
- dev->agp->base +
dev_priv->gart_vm_start;
} else
#endif
{
rptr_addr = dev_priv->ring_rptr->offset
- ((unsigned long) dev->sg->virtual)
+ dev_priv->gart_vm_start;
}
RADEON_WRITE(R600_CP_RB_RPTR_ADDR,
rptr_addr & 0xffffffff);
RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI,
upper_32_bits(rptr_addr));
#ifdef __BIG_ENDIAN
RADEON_WRITE(R600_CP_RB_CNTL,
RADEON_BUF_SWAP_32BIT |
(dev_priv->ring.rptr_update_l2qw << 8) |
dev_priv->ring.size_l2qw);
#else
RADEON_WRITE(R600_CP_RB_CNTL,
(dev_priv->ring.rptr_update_l2qw << 8) |
dev_priv->ring.size_l2qw);
#endif
#if __OS_HAS_AGP
if (dev_priv->flags & RADEON_IS_AGP) {
/* XXX */
radeon_write_agp_base(dev_priv, dev->agp->base);
/* XXX */
radeon_write_agp_location(dev_priv,
(((dev_priv->gart_vm_start - 1 +
dev_priv->gart_size) & 0xffff0000) |
(dev_priv->gart_vm_start >> 16)));
ring_start = (dev_priv->cp_ring->offset
- dev->agp->base
+ dev_priv->gart_vm_start);
} else
#endif
ring_start = (dev_priv->cp_ring->offset
- (unsigned long)dev->sg->virtual
+ dev_priv->gart_vm_start);
RADEON_WRITE(R600_CP_RB_BASE, ring_start >> 8);
RADEON_WRITE(R600_CP_ME_CNTL, 0xff);
RADEON_WRITE(R600_CP_DEBUG, (1 << 27) | (1 << 28));
/* Initialize the scratch register pointer. This will cause
* the scratch register values to be written out to memory
* whenever they are updated.
*
* We simply put this behind the ring read pointer, this works
* with PCI GART as well as (whatever kind of) AGP GART
*/
{
u64 scratch_addr;
scratch_addr = RADEON_READ(R600_CP_RB_RPTR_ADDR);
scratch_addr |= ((u64)RADEON_READ(R600_CP_RB_RPTR_ADDR_HI)) << 32;
scratch_addr += R600_SCRATCH_REG_OFFSET;
scratch_addr >>= 8;
scratch_addr &= 0xffffffff;
RADEON_WRITE(R600_SCRATCH_ADDR, (uint32_t)scratch_addr);
}
RADEON_WRITE(R600_SCRATCH_UMSK, 0x7);
/* Turn on bus mastering */
radeon_enable_bm(dev_priv);
radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(0), 0);
RADEON_WRITE(R600_LAST_FRAME_REG, 0);
radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
RADEON_WRITE(R600_LAST_DISPATCH_REG, 0);
radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(2), 0);
RADEON_WRITE(R600_LAST_CLEAR_REG, 0);
/* reset sarea copies of these */
if (dev_priv->sarea_priv) {
dev_priv->sarea_priv->last_frame = 0;
dev_priv->sarea_priv->last_dispatch = 0;
dev_priv->sarea_priv->last_clear = 0;
}
r600_do_wait_for_idle(dev_priv);
}
int r600_do_cleanup_cp(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
DRM_DEBUG("\n");
/* Make sure interrupts are disabled here because the uninstall ioctl
* may not have been called from userspace and after dev_private
* is freed, it's too late.
*/
if (dev->irq_enabled)
drm_irq_uninstall(dev);
#if __OS_HAS_AGP
if (dev_priv->flags & RADEON_IS_AGP) {
if (dev_priv->cp_ring != NULL) {
drm_core_ioremapfree(dev_priv->cp_ring, dev);
dev_priv->cp_ring = NULL;
}
if (dev_priv->ring_rptr != NULL) {
drm_core_ioremapfree(dev_priv->ring_rptr, dev);
dev_priv->ring_rptr = NULL;
}
if (dev->agp_buffer_map != NULL) {
drm_core_ioremapfree(dev->agp_buffer_map, dev);
dev->agp_buffer_map = NULL;
}
} else
#endif
{
if (dev_priv->gart_info.bus_addr)
r600_page_table_cleanup(dev, &dev_priv->gart_info);
if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) {
drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
dev_priv->gart_info.addr = 0;
}
}
/* only clear to the start of flags */
memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
return 0;
}
int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
DRM_DEBUG("\n");
/* if we require new memory map but we don't have it fail */
if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
DRM_DEBUG("Forcing AGP card to PCI mode\n");
dev_priv->flags &= ~RADEON_IS_AGP;
/* The writeback test succeeds, but when writeback is enabled,
* the ring buffer read ptr update fails after first 128 bytes.
*/
radeon_no_wb = 1;
} else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
&& !init->is_pci) {
DRM_DEBUG("Restoring AGP flag\n");
dev_priv->flags |= RADEON_IS_AGP;
}
dev_priv->usec_timeout = init->usec_timeout;
if (dev_priv->usec_timeout < 1 ||
dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
DRM_DEBUG("TIMEOUT problem!\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
/* Enable vblank on CRTC1 for older X servers
*/
dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
dev_priv->cp_mode = init->cp_mode;
/* We don't support anything other than bus-mastering ring mode,
* but the ring can be in either AGP or PCI space for the ring
* read pointer.
*/
if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
(init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
r600_do_cleanup_cp(dev);
return -EINVAL;
}
switch (init->fb_bpp) {
case 16:
dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
break;
case 32:
default:
dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
break;
}
dev_priv->front_offset = init->front_offset;
dev_priv->front_pitch = init->front_pitch;
dev_priv->back_offset = init->back_offset;
dev_priv->back_pitch = init->back_pitch;
dev_priv->ring_offset = init->ring_offset;
dev_priv->ring_rptr_offset = init->ring_rptr_offset;
dev_priv->buffers_offset = init->buffers_offset;
dev_priv->gart_textures_offset = init->gart_textures_offset;
dev_priv->sarea = drm_getsarea(dev);
if (!dev_priv->sarea) {
DRM_ERROR("could not find sarea!\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
if (!dev_priv->cp_ring) {
DRM_ERROR("could not find cp ring region!\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
if (!dev_priv->ring_rptr) {
DRM_ERROR("could not find ring read pointer!\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
dev->agp_buffer_token = init->buffers_offset;
dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
if (!dev->agp_buffer_map) {
DRM_ERROR("could not find dma buffer region!\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
if (init->gart_textures_offset) {
dev_priv->gart_textures =
drm_core_findmap(dev, init->gart_textures_offset);
if (!dev_priv->gart_textures) {
DRM_ERROR("could not find GART texture region!\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
}
dev_priv->sarea_priv =
(drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
init->sarea_priv_offset);
#if __OS_HAS_AGP
/* XXX */
if (dev_priv->flags & RADEON_IS_AGP) {
drm_core_ioremap_wc(dev_priv->cp_ring, dev);
drm_core_ioremap_wc(dev_priv->ring_rptr, dev);
drm_core_ioremap_wc(dev->agp_buffer_map, dev);
if (!dev_priv->cp_ring->handle ||
!dev_priv->ring_rptr->handle ||
!dev->agp_buffer_map->handle) {
DRM_ERROR("could not find ioremap agp regions!\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
} else
#endif
{
dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset;
dev_priv->ring_rptr->handle =
(void *)dev_priv->ring_rptr->offset;
dev->agp_buffer_map->handle =
(void *)dev->agp_buffer_map->offset;
DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
dev_priv->cp_ring->handle);
DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
dev_priv->ring_rptr->handle);
DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
dev->agp_buffer_map->handle);
}
dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 24;
dev_priv->fb_size =
(((radeon_read_fb_location(dev_priv) & 0xffff0000u) << 8) + 0x1000000)
- dev_priv->fb_location;
dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
((dev_priv->front_offset
+ dev_priv->fb_location) >> 10));
dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
((dev_priv->back_offset
+ dev_priv->fb_location) >> 10));
dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
((dev_priv->depth_offset
+ dev_priv->fb_location) >> 10));
dev_priv->gart_size = init->gart_size;
/* New let's set the memory map ... */
if (dev_priv->new_memmap) {
u32 base = 0;
DRM_INFO("Setting GART location based on new memory map\n");
/* If using AGP, try to locate the AGP aperture at the same
* location in the card and on the bus, though we have to
* align it down.
*/
#if __OS_HAS_AGP
/* XXX */
if (dev_priv->flags & RADEON_IS_AGP) {
base = dev->agp->base;
/* Check if valid */
if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
dev->agp->base);
base = 0;
}
}
#endif
/* If not or if AGP is at 0 (Macs), try to put it elsewhere */
if (base == 0) {
base = dev_priv->fb_location + dev_priv->fb_size;
if (base < dev_priv->fb_location ||
((base + dev_priv->gart_size) & 0xfffffffful) < base)
base = dev_priv->fb_location
- dev_priv->gart_size;
}
dev_priv->gart_vm_start = base & 0xffc00000u;
if (dev_priv->gart_vm_start != base)
DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
base, dev_priv->gart_vm_start);
}
#if __OS_HAS_AGP
/* XXX */
if (dev_priv->flags & RADEON_IS_AGP)
dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
- dev->agp->base
+ dev_priv->gart_vm_start);
else
#endif
dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
- (unsigned long)dev->sg->virtual
+ dev_priv->gart_vm_start);
DRM_DEBUG("fb 0x%08x size %d\n",
(unsigned int) dev_priv->fb_location,
(unsigned int) dev_priv->fb_size);
DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
DRM_DEBUG("dev_priv->gart_vm_start 0x%08x\n",
(unsigned int) dev_priv->gart_vm_start);
DRM_DEBUG("dev_priv->gart_buffers_offset 0x%08lx\n",
dev_priv->gart_buffers_offset);
dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
+ init->ring_size / sizeof(u32));
dev_priv->ring.size = init->ring_size;
dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
dev_priv->ring.rptr_update_l2qw = drm_order(/* init->rptr_update */ 4096 / 8);
dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
dev_priv->ring.fetch_size_l2ow = drm_order(/* init->fetch_size */ 32 / 16);
dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
#if __OS_HAS_AGP
if (dev_priv->flags & RADEON_IS_AGP) {
/* XXX turn off pcie gart */
} else
#endif
{
dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
/* if we have an offset set from userspace */
if (!dev_priv->pcigart_offset_set) {
DRM_ERROR("Need gart offset from userspace\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
DRM_DEBUG("Using gart offset 0x%08lx\n", dev_priv->pcigart_offset);
dev_priv->gart_info.bus_addr =
dev_priv->pcigart_offset + dev_priv->fb_location;
dev_priv->gart_info.mapping.offset =
dev_priv->pcigart_offset + dev_priv->fb_aper_offset;
dev_priv->gart_info.mapping.size =
dev_priv->gart_info.table_size;
drm_core_ioremap_wc(&dev_priv->gart_info.mapping, dev);
if (!dev_priv->gart_info.mapping.handle) {
DRM_ERROR("ioremap failed.\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
dev_priv->gart_info.addr =
dev_priv->gart_info.mapping.handle;
DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
dev_priv->gart_info.addr,
dev_priv->pcigart_offset);
if (!r600_page_table_init(dev)) {
DRM_ERROR("Failed to init GART table\n");
r600_do_cleanup_cp(dev);
return -EINVAL;
}
if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
r700_vm_init(dev);
else
r600_vm_init(dev);
}
if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
r700_cp_load_microcode(dev_priv);
else
r600_cp_load_microcode(dev_priv);
r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
dev_priv->last_buf = 0;
r600_do_engine_reset(dev);
r600_test_writeback(dev_priv);
return 0;
}
int r600_do_resume_cp(struct drm_device *dev, struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
DRM_DEBUG("\n");
if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)) {
r700_vm_init(dev);
r700_cp_load_microcode(dev_priv);
} else {
r600_vm_init(dev);
r600_cp_load_microcode(dev_priv);
}
r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
r600_do_engine_reset(dev);
return 0;
}
/* Wait for the CP to go idle.
*/
int r600_do_cp_idle(drm_radeon_private_t *dev_priv)
{
RING_LOCALS;
DRM_DEBUG("\n");
BEGIN_RING(5);
OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
/* wait for 3D idle clean */
OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
OUT_RING((R600_WAIT_UNTIL - R600_SET_CONFIG_REG_OFFSET) >> 2);
OUT_RING(RADEON_WAIT_3D_IDLE | RADEON_WAIT_3D_IDLECLEAN);
ADVANCE_RING();
COMMIT_RING();
return r600_do_wait_for_idle(dev_priv);
}
/* Start the Command Processor.
*/
void r600_do_cp_start(drm_radeon_private_t *dev_priv)
{
u32 cp_me;
RING_LOCALS;
DRM_DEBUG("\n");
BEGIN_RING(7);
OUT_RING(CP_PACKET3(R600_IT_ME_INITIALIZE, 5));
OUT_RING(0x00000001);
if (((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV770))
OUT_RING(0x00000003);
else
OUT_RING(0x00000000);
OUT_RING((dev_priv->r600_max_hw_contexts - 1));
OUT_RING(R600_ME_INITIALIZE_DEVICE_ID(1));
OUT_RING(0x00000000);
OUT_RING(0x00000000);
ADVANCE_RING();
COMMIT_RING();
/* set the mux and reset the halt bit */
cp_me = 0xff;
RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
dev_priv->cp_running = 1;
}
void r600_do_cp_reset(drm_radeon_private_t *dev_priv)
{
u32 cur_read_ptr;
DRM_DEBUG("\n");
cur_read_ptr = RADEON_READ(R600_CP_RB_RPTR);
RADEON_WRITE(R600_CP_RB_WPTR, cur_read_ptr);
SET_RING_HEAD(dev_priv, cur_read_ptr);
dev_priv->ring.tail = cur_read_ptr;
}
void r600_do_cp_stop(drm_radeon_private_t *dev_priv)
{
uint32_t cp_me;
DRM_DEBUG("\n");
cp_me = 0xff | R600_CP_ME_HALT;
RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
dev_priv->cp_running = 0;
}
int r600_cp_dispatch_indirect(struct drm_device *dev,
struct drm_buf *buf, int start, int end)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
if (start != end) {
unsigned long offset = (dev_priv->gart_buffers_offset
+ buf->offset + start);
int dwords = (end - start + 3) / sizeof(u32);
DRM_DEBUG("dwords:%d\n", dwords);
DRM_DEBUG("offset 0x%lx\n", offset);
/* Indirect buffer data must be a multiple of 16 dwords.
* pad the data with a Type-2 CP packet.
*/
while (dwords & 0xf) {
u32 *data = (u32 *)
((char *)dev->agp_buffer_map->handle
+ buf->offset + start);
data[dwords++] = RADEON_CP_PACKET2;
}
/* Fire off the indirect buffer */
BEGIN_RING(4);
OUT_RING(CP_PACKET3(R600_IT_INDIRECT_BUFFER, 2));
OUT_RING((offset & 0xfffffffc));
OUT_RING((upper_32_bits(offset) & 0xff));
OUT_RING(dwords);
ADVANCE_RING();
}
return 0;
}
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