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kolibrios/drivers/video/drm/radeon/r600.c
Sergey Semyonov (Serge) ab74087413 drm: v3.10 
git-svn-id: svn://kolibrios.org@3764 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-07-05 07:43:48 +00:00

4306 lines
123 KiB
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/*
* 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/slab.h>
#include <linux/seq_file.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <drm/drmP.h>
#include <drm/radeon_drm.h>
#include "radeon.h"
#include "radeon_asic.h"
#include "radeon_mode.h"
#include "r600d.h"
#include "atom.h"
#include "avivod.h"
#define PFP_UCODE_SIZE 576
#define PM4_UCODE_SIZE 1792
#define RLC_UCODE_SIZE 768
#define R700_PFP_UCODE_SIZE 848
#define R700_PM4_UCODE_SIZE 1360
#define R700_RLC_UCODE_SIZE 1024
#define EVERGREEN_PFP_UCODE_SIZE 1120
#define EVERGREEN_PM4_UCODE_SIZE 1376
#define EVERGREEN_RLC_UCODE_SIZE 768
#define CAYMAN_RLC_UCODE_SIZE 1024
#define ARUBA_RLC_UCODE_SIZE 1536
/* Firmware Names */
MODULE_FIRMWARE("radeon/R600_pfp.bin");
MODULE_FIRMWARE("radeon/R600_me.bin");
MODULE_FIRMWARE("radeon/RV610_pfp.bin");
MODULE_FIRMWARE("radeon/RV610_me.bin");
MODULE_FIRMWARE("radeon/RV630_pfp.bin");
MODULE_FIRMWARE("radeon/RV630_me.bin");
MODULE_FIRMWARE("radeon/RV620_pfp.bin");
MODULE_FIRMWARE("radeon/RV620_me.bin");
MODULE_FIRMWARE("radeon/RV635_pfp.bin");
MODULE_FIRMWARE("radeon/RV635_me.bin");
MODULE_FIRMWARE("radeon/RV670_pfp.bin");
MODULE_FIRMWARE("radeon/RV670_me.bin");
MODULE_FIRMWARE("radeon/RS780_pfp.bin");
MODULE_FIRMWARE("radeon/RS780_me.bin");
MODULE_FIRMWARE("radeon/RV770_pfp.bin");
MODULE_FIRMWARE("radeon/RV770_me.bin");
MODULE_FIRMWARE("radeon/RV730_pfp.bin");
MODULE_FIRMWARE("radeon/RV730_me.bin");
MODULE_FIRMWARE("radeon/RV710_pfp.bin");
MODULE_FIRMWARE("radeon/RV710_me.bin");
MODULE_FIRMWARE("radeon/R600_rlc.bin");
MODULE_FIRMWARE("radeon/R700_rlc.bin");
MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
MODULE_FIRMWARE("radeon/CEDAR_me.bin");
MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
MODULE_FIRMWARE("radeon/PALM_pfp.bin");
MODULE_FIRMWARE("radeon/PALM_me.bin");
MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
MODULE_FIRMWARE("radeon/SUMO_me.bin");
MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
MODULE_FIRMWARE("radeon/SUMO2_me.bin");
static const u32 crtc_offsets[2] =
{
0,
AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
};
int r600_debugfs_mc_info_init(struct radeon_device *rdev);
/* r600,rv610,rv630,rv620,rv635,rv670 */
int r600_mc_wait_for_idle(struct radeon_device *rdev);
static void r600_gpu_init(struct radeon_device *rdev);
void r600_fini(struct radeon_device *rdev);
void r600_irq_disable(struct radeon_device *rdev);
static void r600_pcie_gen2_enable(struct radeon_device *rdev);
/**
* r600_get_xclk - get the xclk
*
* @rdev: radeon_device pointer
*
* Returns the reference clock used by the gfx engine
* (r6xx, IGPs, APUs).
*/
u32 r600_get_xclk(struct radeon_device *rdev)
{
return rdev->clock.spll.reference_freq;
}
/* get temperature in millidegrees */
int rv6xx_get_temp(struct radeon_device *rdev)
{
u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
ASIC_T_SHIFT;
int actual_temp = temp & 0xff;
if (temp & 0x100)
actual_temp -= 256;
return actual_temp * 1000;
}
bool r600_gui_idle(struct radeon_device *rdev)
{
if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
return false;
else
return true;
}
/* hpd for digital panel detect/disconnect */
bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
{
bool connected = false;
if (ASIC_IS_DCE3(rdev)) {
switch (hpd) {
case RADEON_HPD_1:
if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
connected = true;
break;
case RADEON_HPD_2:
if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
connected = true;
break;
case RADEON_HPD_3:
if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
connected = true;
break;
case RADEON_HPD_4:
if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
connected = true;
break;
/* DCE 3.2 */
case RADEON_HPD_5:
if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
connected = true;
break;
case RADEON_HPD_6:
if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
connected = true;
break;
default:
break;
}
} else {
switch (hpd) {
case RADEON_HPD_1:
if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
connected = true;
break;
case RADEON_HPD_2:
if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
connected = true;
break;
case RADEON_HPD_3:
if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
connected = true;
break;
default:
break;
}
}
return connected;
}
void r600_hpd_set_polarity(struct radeon_device *rdev,
enum radeon_hpd_id hpd)
{
u32 tmp;
bool connected = r600_hpd_sense(rdev, hpd);
if (ASIC_IS_DCE3(rdev)) {
switch (hpd) {
case RADEON_HPD_1:
tmp = RREG32(DC_HPD1_INT_CONTROL);
if (connected)
tmp &= ~DC_HPDx_INT_POLARITY;
else
tmp |= DC_HPDx_INT_POLARITY;
WREG32(DC_HPD1_INT_CONTROL, tmp);
break;
case RADEON_HPD_2:
tmp = RREG32(DC_HPD2_INT_CONTROL);
if (connected)
tmp &= ~DC_HPDx_INT_POLARITY;
else
tmp |= DC_HPDx_INT_POLARITY;
WREG32(DC_HPD2_INT_CONTROL, tmp);
break;
case RADEON_HPD_3:
tmp = RREG32(DC_HPD3_INT_CONTROL);
if (connected)
tmp &= ~DC_HPDx_INT_POLARITY;
else
tmp |= DC_HPDx_INT_POLARITY;
WREG32(DC_HPD3_INT_CONTROL, tmp);
break;
case RADEON_HPD_4:
tmp = RREG32(DC_HPD4_INT_CONTROL);
if (connected)
tmp &= ~DC_HPDx_INT_POLARITY;
else
tmp |= DC_HPDx_INT_POLARITY;
WREG32(DC_HPD4_INT_CONTROL, tmp);
break;
case RADEON_HPD_5:
tmp = RREG32(DC_HPD5_INT_CONTROL);
if (connected)
tmp &= ~DC_HPDx_INT_POLARITY;
else
tmp |= DC_HPDx_INT_POLARITY;
WREG32(DC_HPD5_INT_CONTROL, tmp);
break;
/* DCE 3.2 */
case RADEON_HPD_6:
tmp = RREG32(DC_HPD6_INT_CONTROL);
if (connected)
tmp &= ~DC_HPDx_INT_POLARITY;
else
tmp |= DC_HPDx_INT_POLARITY;
WREG32(DC_HPD6_INT_CONTROL, tmp);
break;
default:
break;
}
} else {
switch (hpd) {
case RADEON_HPD_1:
tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
if (connected)
tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
else
tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
break;
case RADEON_HPD_2:
tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
if (connected)
tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
else
tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
break;
case RADEON_HPD_3:
tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
if (connected)
tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
else
tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
break;
default:
break;
}
}
}
void r600_hpd_init(struct radeon_device *rdev)
{
struct drm_device *dev = rdev->ddev;
struct drm_connector *connector;
unsigned enable = 0;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
/* don't try to enable hpd on eDP or LVDS avoid breaking the
* aux dp channel on imac and help (but not completely fix)
* https://bugzilla.redhat.com/show_bug.cgi?id=726143
*/
continue;
}
if (ASIC_IS_DCE3(rdev)) {
u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
if (ASIC_IS_DCE32(rdev))
tmp |= DC_HPDx_EN;
switch (radeon_connector->hpd.hpd) {
case RADEON_HPD_1:
WREG32(DC_HPD1_CONTROL, tmp);
break;
case RADEON_HPD_2:
WREG32(DC_HPD2_CONTROL, tmp);
break;
case RADEON_HPD_3:
WREG32(DC_HPD3_CONTROL, tmp);
break;
case RADEON_HPD_4:
WREG32(DC_HPD4_CONTROL, tmp);
break;
/* DCE 3.2 */
case RADEON_HPD_5:
WREG32(DC_HPD5_CONTROL, tmp);
break;
case RADEON_HPD_6:
WREG32(DC_HPD6_CONTROL, tmp);
break;
default:
break;
}
} else {
switch (radeon_connector->hpd.hpd) {
case RADEON_HPD_1:
WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
break;
case RADEON_HPD_2:
WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
break;
case RADEON_HPD_3:
WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
break;
default:
break;
}
}
enable |= 1 << radeon_connector->hpd.hpd;
radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
}
// radeon_irq_kms_enable_hpd(rdev, enable);
}
void r600_hpd_fini(struct radeon_device *rdev)
{
struct drm_device *dev = rdev->ddev;
struct drm_connector *connector;
unsigned disable = 0;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
if (ASIC_IS_DCE3(rdev)) {
switch (radeon_connector->hpd.hpd) {
case RADEON_HPD_1:
WREG32(DC_HPD1_CONTROL, 0);
break;
case RADEON_HPD_2:
WREG32(DC_HPD2_CONTROL, 0);
break;
case RADEON_HPD_3:
WREG32(DC_HPD3_CONTROL, 0);
break;
case RADEON_HPD_4:
WREG32(DC_HPD4_CONTROL, 0);
break;
/* DCE 3.2 */
case RADEON_HPD_5:
WREG32(DC_HPD5_CONTROL, 0);
break;
case RADEON_HPD_6:
WREG32(DC_HPD6_CONTROL, 0);
break;
default:
break;
}
} else {
switch (radeon_connector->hpd.hpd) {
case RADEON_HPD_1:
WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
break;
case RADEON_HPD_2:
WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
break;
case RADEON_HPD_3:
WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
break;
default:
break;
}
}
disable |= 1 << radeon_connector->hpd.hpd;
}
// radeon_irq_kms_disable_hpd(rdev, disable);
}
/*
* R600 PCIE GART
*/
void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
{
unsigned i;
u32 tmp;
/* flush hdp cache so updates hit vram */
if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
!(rdev->flags & RADEON_IS_AGP)) {
void __iomem *ptr = (void *)rdev->gart.ptr;
u32 tmp;
/* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
* rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
* This seems to cause problems on some AGP cards. Just use the old
* method for them.
*/
WREG32(HDP_DEBUG1, 0);
tmp = readl((void __iomem *)ptr);
} else
WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
for (i = 0; i < rdev->usec_timeout; i++) {
/* read MC_STATUS */
tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
if (tmp == 2) {
printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
return;
}
if (tmp) {
return;
}
udelay(1);
}
}
int r600_pcie_gart_init(struct radeon_device *rdev)
{
int r;
if (rdev->gart.robj) {
WARN(1, "R600 PCIE GART already initialized\n");
return 0;
}
/* Initialize common gart structure */
r = radeon_gart_init(rdev);
if (r)
return r;
rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
return radeon_gart_table_vram_alloc(rdev);
}
static int r600_pcie_gart_enable(struct radeon_device *rdev)
{
u32 tmp;
int r, i;
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;
radeon_gart_restore(rdev);
/* Setup L2 cache */
WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
EFFECTIVE_L2_QUEUE_SIZE(7));
WREG32(VM_L2_CNTL2, 0);
WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
/* Setup TLB control */
tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
SYSTEM_ACCESS_MODE_NOT_IN_SYS |
EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
ENABLE_WAIT_L2_QUERY;
WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
(u32)(rdev->dummy_page.addr >> 12));
for (i = 1; i < 7; i++)
WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
r600_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)rdev->gart.table_addr);
rdev->gart.ready = true;
return 0;
}
static void r600_pcie_gart_disable(struct radeon_device *rdev)
{
u32 tmp;
int i;
/* Disable all tables */
for (i = 0; i < 7; i++)
WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
/* Disable L2 cache */
WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
EFFECTIVE_L2_QUEUE_SIZE(7));
WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
/* Setup L1 TLB control */
tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
ENABLE_WAIT_L2_QUERY;
WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
radeon_gart_table_vram_unpin(rdev);
}
static void r600_pcie_gart_fini(struct radeon_device *rdev)
{
radeon_gart_fini(rdev);
r600_pcie_gart_disable(rdev);
radeon_gart_table_vram_free(rdev);
}
static void r600_agp_enable(struct radeon_device *rdev)
{
u32 tmp;
int i;
/* Setup L2 cache */
WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
EFFECTIVE_L2_QUEUE_SIZE(7));
WREG32(VM_L2_CNTL2, 0);
WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
/* Setup TLB control */
tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
SYSTEM_ACCESS_MODE_NOT_IN_SYS |
EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
ENABLE_WAIT_L2_QUERY;
WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
for (i = 0; i < 7; i++)
WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
}
int r600_mc_wait_for_idle(struct radeon_device *rdev)
{
unsigned i;
u32 tmp;
for (i = 0; i < rdev->usec_timeout; i++) {
/* read MC_STATUS */
tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
if (!tmp)
return 0;
udelay(1);
}
return -1;
}
uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
{
uint32_t r;
WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
r = RREG32(R_0028FC_MC_DATA);
WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
return r;
}
void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
S_0028F8_MC_IND_WR_EN(1));
WREG32(R_0028FC_MC_DATA, v);
WREG32(R_0028F8_MC_INDEX, 0x7F);
}
static void r600_mc_program(struct radeon_device *rdev)
{
struct rv515_mc_save save;
u32 tmp;
int i, j;
/* Initialize HDP */
for (i = 0, j = 0; i < 32; i++, j += 0x18) {
WREG32((0x2c14 + j), 0x00000000);
WREG32((0x2c18 + j), 0x00000000);
WREG32((0x2c1c + j), 0x00000000);
WREG32((0x2c20 + j), 0x00000000);
WREG32((0x2c24 + j), 0x00000000);
}
WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
rv515_mc_stop(rdev, &save);
if (r600_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
}
/* Lockout access through VGA aperture (doesn't exist before R600) */
WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
/* Update configuration */
if (rdev->flags & RADEON_IS_AGP) {
if (rdev->mc.vram_start < rdev->mc.gtt_start) {
/* VRAM before AGP */
WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
rdev->mc.vram_start >> 12);
WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
rdev->mc.gtt_end >> 12);
} else {
/* VRAM after AGP */
WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
rdev->mc.gtt_start >> 12);
WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
rdev->mc.vram_end >> 12);
}
} else {
WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
}
WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
WREG32(MC_VM_FB_LOCATION, tmp);
WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
WREG32(HDP_NONSURFACE_INFO, (2 << 7));
WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
if (rdev->flags & RADEON_IS_AGP) {
WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
} else {
WREG32(MC_VM_AGP_BASE, 0);
WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
}
if (r600_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
}
rv515_mc_resume(rdev, &save);
/* we need to own VRAM, so turn off the VGA renderer here
* to stop it overwriting our objects */
rv515_vga_render_disable(rdev);
}
/**
* r600_vram_gtt_location - try to find VRAM & GTT location
* @rdev: radeon device structure holding all necessary informations
* @mc: memory controller structure holding memory informations
*
* Function will place try to place VRAM at same place as in CPU (PCI)
* address space as some GPU seems to have issue when we reprogram at
* different address space.
*
* If there is not enough space to fit the unvisible VRAM after the
* aperture then we limit the VRAM size to the aperture.
*
* If we are using AGP then place VRAM adjacent to AGP aperture are we need
* them to be in one from GPU point of view so that we can program GPU to
* catch access outside them (weird GPU policy see ??).
*
* This function will never fails, worst case are limiting VRAM or GTT.
*
* Note: GTT start, end, size should be initialized before calling this
* function on AGP platform.
*/
static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
{
u64 size_bf, size_af;
if (mc->mc_vram_size > 0xE0000000) {
/* leave room for at least 512M GTT */
dev_warn(rdev->dev, "limiting VRAM\n");
mc->real_vram_size = 0xE0000000;
mc->mc_vram_size = 0xE0000000;
}
if (rdev->flags & RADEON_IS_AGP) {
size_bf = mc->gtt_start;
size_af = mc->mc_mask - mc->gtt_end;
if (size_bf > size_af) {
if (mc->mc_vram_size > size_bf) {
dev_warn(rdev->dev, "limiting VRAM\n");
mc->real_vram_size = size_bf;
mc->mc_vram_size = size_bf;
}
mc->vram_start = mc->gtt_start - mc->mc_vram_size;
} else {
if (mc->mc_vram_size > size_af) {
dev_warn(rdev->dev, "limiting VRAM\n");
mc->real_vram_size = size_af;
mc->mc_vram_size = size_af;
}
mc->vram_start = mc->gtt_end + 1;
}
mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
mc->mc_vram_size >> 20, mc->vram_start,
mc->vram_end, mc->real_vram_size >> 20);
} else {
u64 base = 0;
if (rdev->flags & RADEON_IS_IGP) {
base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
base <<= 24;
}
radeon_vram_location(rdev, &rdev->mc, base);
rdev->mc.gtt_base_align = 0;
radeon_gtt_location(rdev, mc);
}
}
static int r600_mc_init(struct radeon_device *rdev)
{
u32 tmp;
int chansize, numchan;
uint32_t h_addr, l_addr;
unsigned long long k8_addr;
/* Get VRAM informations */
rdev->mc.vram_is_ddr = true;
tmp = RREG32(RAMCFG);
if (tmp & CHANSIZE_OVERRIDE) {
chansize = 16;
} else if (tmp & CHANSIZE_MASK) {
chansize = 64;
} else {
chansize = 32;
}
tmp = RREG32(CHMAP);
switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
case 0:
default:
numchan = 1;
break;
case 1:
numchan = 2;
break;
case 2:
numchan = 4;
break;
case 3:
numchan = 8;
break;
}
rdev->mc.vram_width = numchan * chansize;
/* Could aper size report 0 ? */
rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
/* Setup GPU memory space */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
r600_vram_gtt_location(rdev, &rdev->mc);
if (rdev->flags & RADEON_IS_IGP) {
rs690_pm_info(rdev);
rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
/* Use K8 direct mapping for fast fb access. */
rdev->fastfb_working = false;
h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
#endif
{
/* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
* memory is present.
*/
if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
(unsigned long long)rdev->mc.aper_base, k8_addr);
rdev->mc.aper_base = (resource_size_t)k8_addr;
rdev->fastfb_working = true;
}
}
}
}
radeon_update_bandwidth_info(rdev);
return 0;
}
int r600_vram_scratch_init(struct radeon_device *rdev)
{
int r;
if (rdev->vram_scratch.robj == NULL) {
r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
NULL, &rdev->vram_scratch.robj);
if (r) {
return r;
}
}
r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
if (unlikely(r != 0))
return r;
r = radeon_bo_pin(rdev->vram_scratch.robj,
RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
if (r) {
radeon_bo_unreserve(rdev->vram_scratch.robj);
return r;
}
r = radeon_bo_kmap(rdev->vram_scratch.robj,
(void **)&rdev->vram_scratch.ptr);
if (r)
radeon_bo_unpin(rdev->vram_scratch.robj);
radeon_bo_unreserve(rdev->vram_scratch.robj);
return r;
}
void r600_vram_scratch_fini(struct radeon_device *rdev)
{
int r;
if (rdev->vram_scratch.robj == NULL) {
return;
}
r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
if (likely(r == 0)) {
radeon_bo_kunmap(rdev->vram_scratch.robj);
radeon_bo_unpin(rdev->vram_scratch.robj);
radeon_bo_unreserve(rdev->vram_scratch.robj);
}
radeon_bo_unref(&rdev->vram_scratch.robj);
}
void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung)
{
u32 tmp = RREG32(R600_BIOS_3_SCRATCH);
if (hung)
tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
else
tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
WREG32(R600_BIOS_3_SCRATCH, tmp);
}
static void r600_print_gpu_status_regs(struct radeon_device *rdev)
{
dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n",
RREG32(R_008010_GRBM_STATUS));
dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n",
RREG32(R_008014_GRBM_STATUS2));
dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n",
RREG32(R_000E50_SRBM_STATUS));
dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
RREG32(CP_STALLED_STAT1));
dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
RREG32(CP_STALLED_STAT2));
dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
RREG32(DMA_STATUS_REG));
}
static bool r600_is_display_hung(struct radeon_device *rdev)
{
u32 crtc_hung = 0;
u32 crtc_status[2];
u32 i, j, tmp;
for (i = 0; i < rdev->num_crtc; i++) {
if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) {
crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
crtc_hung |= (1 << i);
}
}
for (j = 0; j < 10; j++) {
for (i = 0; i < rdev->num_crtc; i++) {
if (crtc_hung & (1 << i)) {
tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
if (tmp != crtc_status[i])
crtc_hung &= ~(1 << i);
}
}
if (crtc_hung == 0)
return false;
udelay(100);
}
return true;
}
static u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
{
u32 reset_mask = 0;
u32 tmp;
/* GRBM_STATUS */
tmp = RREG32(R_008010_GRBM_STATUS);
if (rdev->family >= CHIP_RV770) {
if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
reset_mask |= RADEON_RESET_GFX;
} else {
if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
reset_mask |= RADEON_RESET_GFX;
}
if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) |
G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp))
reset_mask |= RADEON_RESET_CP;
if (G_008010_GRBM_EE_BUSY(tmp))
reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
/* DMA_STATUS_REG */
tmp = RREG32(DMA_STATUS_REG);
if (!(tmp & DMA_IDLE))
reset_mask |= RADEON_RESET_DMA;
/* SRBM_STATUS */
tmp = RREG32(R_000E50_SRBM_STATUS);
if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp))
reset_mask |= RADEON_RESET_RLC;
if (G_000E50_IH_BUSY(tmp))
reset_mask |= RADEON_RESET_IH;
if (G_000E50_SEM_BUSY(tmp))
reset_mask |= RADEON_RESET_SEM;
if (G_000E50_GRBM_RQ_PENDING(tmp))
reset_mask |= RADEON_RESET_GRBM;
if (G_000E50_VMC_BUSY(tmp))
reset_mask |= RADEON_RESET_VMC;
if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) |
G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) |
G_000E50_MCDW_BUSY(tmp))
reset_mask |= RADEON_RESET_MC;
if (r600_is_display_hung(rdev))
reset_mask |= RADEON_RESET_DISPLAY;
/* Skip MC reset as it's mostly likely not hung, just busy */
if (reset_mask & RADEON_RESET_MC) {
DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
reset_mask &= ~RADEON_RESET_MC;
}
return reset_mask;
}
static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
{
struct rv515_mc_save save;
u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
u32 tmp;
if (reset_mask == 0)
return;
dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
r600_print_gpu_status_regs(rdev);
/* Disable CP parsing/prefetching */
if (rdev->family >= CHIP_RV770)
WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
else
WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
/* disable the RLC */
WREG32(RLC_CNTL, 0);
if (reset_mask & RADEON_RESET_DMA) {
/* Disable DMA */
tmp = RREG32(DMA_RB_CNTL);
tmp &= ~DMA_RB_ENABLE;
WREG32(DMA_RB_CNTL, tmp);
}
mdelay(50);
rv515_mc_stop(rdev, &save);
if (r600_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
}
if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
if (rdev->family >= CHIP_RV770)
grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) |
S_008020_SOFT_RESET_CB(1) |
S_008020_SOFT_RESET_PA(1) |
S_008020_SOFT_RESET_SC(1) |
S_008020_SOFT_RESET_SPI(1) |
S_008020_SOFT_RESET_SX(1) |
S_008020_SOFT_RESET_SH(1) |
S_008020_SOFT_RESET_TC(1) |
S_008020_SOFT_RESET_TA(1) |
S_008020_SOFT_RESET_VC(1) |
S_008020_SOFT_RESET_VGT(1);
else
grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) |
S_008020_SOFT_RESET_DB(1) |
S_008020_SOFT_RESET_CB(1) |
S_008020_SOFT_RESET_PA(1) |
S_008020_SOFT_RESET_SC(1) |
S_008020_SOFT_RESET_SMX(1) |
S_008020_SOFT_RESET_SPI(1) |
S_008020_SOFT_RESET_SX(1) |
S_008020_SOFT_RESET_SH(1) |
S_008020_SOFT_RESET_TC(1) |
S_008020_SOFT_RESET_TA(1) |
S_008020_SOFT_RESET_VC(1) |
S_008020_SOFT_RESET_VGT(1);
}
if (reset_mask & RADEON_RESET_CP) {
grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) |
S_008020_SOFT_RESET_VGT(1);
srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
}
if (reset_mask & RADEON_RESET_DMA) {
if (rdev->family >= CHIP_RV770)
srbm_soft_reset |= RV770_SOFT_RESET_DMA;
else
srbm_soft_reset |= SOFT_RESET_DMA;
}
if (reset_mask & RADEON_RESET_RLC)
srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1);
if (reset_mask & RADEON_RESET_SEM)
srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1);
if (reset_mask & RADEON_RESET_IH)
srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1);
if (reset_mask & RADEON_RESET_GRBM)
srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
if (!(rdev->flags & RADEON_IS_IGP)) {
if (reset_mask & RADEON_RESET_MC)
srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
}
if (reset_mask & RADEON_RESET_VMC)
srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);
if (grbm_soft_reset) {
tmp = RREG32(R_008020_GRBM_SOFT_RESET);
tmp |= grbm_soft_reset;
dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
WREG32(R_008020_GRBM_SOFT_RESET, tmp);
tmp = RREG32(R_008020_GRBM_SOFT_RESET);
udelay(50);
tmp &= ~grbm_soft_reset;
WREG32(R_008020_GRBM_SOFT_RESET, tmp);
tmp = RREG32(R_008020_GRBM_SOFT_RESET);
}
if (srbm_soft_reset) {
tmp = RREG32(SRBM_SOFT_RESET);
tmp |= srbm_soft_reset;
dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
WREG32(SRBM_SOFT_RESET, tmp);
tmp = RREG32(SRBM_SOFT_RESET);
udelay(50);
tmp &= ~srbm_soft_reset;
WREG32(SRBM_SOFT_RESET, tmp);
tmp = RREG32(SRBM_SOFT_RESET);
}
/* Wait a little for things to settle down */
mdelay(1);
rv515_mc_resume(rdev, &save);
udelay(50);
r600_print_gpu_status_regs(rdev);
}
int r600_asic_reset(struct radeon_device *rdev)
{
u32 reset_mask;
reset_mask = r600_gpu_check_soft_reset(rdev);
if (reset_mask)
r600_set_bios_scratch_engine_hung(rdev, true);
r600_gpu_soft_reset(rdev, reset_mask);
reset_mask = r600_gpu_check_soft_reset(rdev);
if (!reset_mask)
r600_set_bios_scratch_engine_hung(rdev, false);
return 0;
}
/**
* r600_gfx_is_lockup - Check if the GFX engine is locked up
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
* Check if the GFX engine is locked up.
* Returns true if the engine appears to be locked up, false if not.
*/
bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
{
u32 reset_mask = r600_gpu_check_soft_reset(rdev);
if (!(reset_mask & (RADEON_RESET_GFX |
RADEON_RESET_COMPUTE |
RADEON_RESET_CP))) {
radeon_ring_lockup_update(ring);
return false;
}
/* force CP activities */
radeon_ring_force_activity(rdev, ring);
return radeon_ring_test_lockup(rdev, ring);
}
/**
* r600_dma_is_lockup - Check if the DMA engine is locked up
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
* Check if the async DMA engine is locked up.
* Returns true if the engine appears to be locked up, false if not.
*/
bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
{
u32 reset_mask = r600_gpu_check_soft_reset(rdev);
if (!(reset_mask & RADEON_RESET_DMA)) {
radeon_ring_lockup_update(ring);
return false;
}
/* force ring activities */
radeon_ring_force_activity(rdev, ring);
return radeon_ring_test_lockup(rdev, ring);
}
u32 r6xx_remap_render_backend(struct radeon_device *rdev,
u32 tiling_pipe_num,
u32 max_rb_num,
u32 total_max_rb_num,
u32 disabled_rb_mask)
{
u32 rendering_pipe_num, rb_num_width, req_rb_num;
u32 pipe_rb_ratio, pipe_rb_remain, tmp;
u32 data = 0, mask = 1 << (max_rb_num - 1);
unsigned i, j;
/* mask out the RBs that don't exist on that asic */
tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
/* make sure at least one RB is available */
if ((tmp & 0xff) != 0xff)
disabled_rb_mask = tmp;
rendering_pipe_num = 1 << tiling_pipe_num;
req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
BUG_ON(rendering_pipe_num < req_rb_num);
pipe_rb_ratio = rendering_pipe_num / req_rb_num;
pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
if (rdev->family <= CHIP_RV740) {
/* r6xx/r7xx */
rb_num_width = 2;
} else {
/* eg+ */
rb_num_width = 4;
}
for (i = 0; i < max_rb_num; i++) {
if (!(mask & disabled_rb_mask)) {
for (j = 0; j < pipe_rb_ratio; j++) {
data <<= rb_num_width;
data |= max_rb_num - i - 1;
}
if (pipe_rb_remain) {
data <<= rb_num_width;
data |= max_rb_num - i - 1;
pipe_rb_remain--;
}
}
mask >>= 1;
}
return data;
}
int r600_count_pipe_bits(uint32_t val)
{
return hweight32(val);
}
static void r600_gpu_init(struct radeon_device *rdev)
{
u32 tiling_config;
u32 ramcfg;
u32 cc_rb_backend_disable;
u32 cc_gc_shader_pipe_config;
u32 tmp;
int i, j;
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 disabled_rb_mask;
rdev->config.r600.tiling_group_size = 256;
switch (rdev->family) {
case CHIP_R600:
rdev->config.r600.max_pipes = 4;
rdev->config.r600.max_tile_pipes = 8;
rdev->config.r600.max_simds = 4;
rdev->config.r600.max_backends = 4;
rdev->config.r600.max_gprs = 256;
rdev->config.r600.max_threads = 192;
rdev->config.r600.max_stack_entries = 256;
rdev->config.r600.max_hw_contexts = 8;
rdev->config.r600.max_gs_threads = 16;
rdev->config.r600.sx_max_export_size = 128;
rdev->config.r600.sx_max_export_pos_size = 16;
rdev->config.r600.sx_max_export_smx_size = 128;
rdev->config.r600.sq_num_cf_insts = 2;
break;
case CHIP_RV630:
case CHIP_RV635:
rdev->config.r600.max_pipes = 2;
rdev->config.r600.max_tile_pipes = 2;
rdev->config.r600.max_simds = 3;
rdev->config.r600.max_backends = 1;
rdev->config.r600.max_gprs = 128;
rdev->config.r600.max_threads = 192;
rdev->config.r600.max_stack_entries = 128;
rdev->config.r600.max_hw_contexts = 8;
rdev->config.r600.max_gs_threads = 4;
rdev->config.r600.sx_max_export_size = 128;
rdev->config.r600.sx_max_export_pos_size = 16;
rdev->config.r600.sx_max_export_smx_size = 128;
rdev->config.r600.sq_num_cf_insts = 2;
break;
case CHIP_RV610:
case CHIP_RV620:
case CHIP_RS780:
case CHIP_RS880:
rdev->config.r600.max_pipes = 1;
rdev->config.r600.max_tile_pipes = 1;
rdev->config.r600.max_simds = 2;
rdev->config.r600.max_backends = 1;
rdev->config.r600.max_gprs = 128;
rdev->config.r600.max_threads = 192;
rdev->config.r600.max_stack_entries = 128;
rdev->config.r600.max_hw_contexts = 4;
rdev->config.r600.max_gs_threads = 4;
rdev->config.r600.sx_max_export_size = 128;
rdev->config.r600.sx_max_export_pos_size = 16;
rdev->config.r600.sx_max_export_smx_size = 128;
rdev->config.r600.sq_num_cf_insts = 1;
break;
case CHIP_RV670:
rdev->config.r600.max_pipes = 4;
rdev->config.r600.max_tile_pipes = 4;
rdev->config.r600.max_simds = 4;
rdev->config.r600.max_backends = 4;
rdev->config.r600.max_gprs = 192;
rdev->config.r600.max_threads = 192;
rdev->config.r600.max_stack_entries = 256;
rdev->config.r600.max_hw_contexts = 8;
rdev->config.r600.max_gs_threads = 16;
rdev->config.r600.sx_max_export_size = 128;
rdev->config.r600.sx_max_export_pos_size = 16;
rdev->config.r600.sx_max_export_smx_size = 128;
rdev->config.r600.sq_num_cf_insts = 2;
break;
default:
break;
}
/* Initialize HDP */
for (i = 0, j = 0; i < 32; i++, j += 0x18) {
WREG32((0x2c14 + j), 0x00000000);
WREG32((0x2c18 + j), 0x00000000);
WREG32((0x2c1c + j), 0x00000000);
WREG32((0x2c20 + j), 0x00000000);
WREG32((0x2c24 + j), 0x00000000);
}
WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
/* Setup tiling */
tiling_config = 0;
ramcfg = RREG32(RAMCFG);
switch (rdev->config.r600.max_tile_pipes) {
case 1:
tiling_config |= PIPE_TILING(0);
break;
case 2:
tiling_config |= PIPE_TILING(1);
break;
case 4:
tiling_config |= PIPE_TILING(2);
break;
case 8:
tiling_config |= PIPE_TILING(3);
break;
default:
break;
}
rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
if (tmp > 3) {
tiling_config |= ROW_TILING(3);
tiling_config |= SAMPLE_SPLIT(3);
} else {
tiling_config |= ROW_TILING(tmp);
tiling_config |= SAMPLE_SPLIT(tmp);
}
tiling_config |= BANK_SWAPS(1);
cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
tmp = R6XX_MAX_BACKENDS -
r600_count_pipe_bits((cc_rb_backend_disable >> 16) & R6XX_MAX_BACKENDS_MASK);
if (tmp < rdev->config.r600.max_backends) {
rdev->config.r600.max_backends = tmp;
}
cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
tmp = R6XX_MAX_PIPES -
r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R6XX_MAX_PIPES_MASK);
if (tmp < rdev->config.r600.max_pipes) {
rdev->config.r600.max_pipes = tmp;
}
tmp = R6XX_MAX_SIMDS -
r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
if (tmp < rdev->config.r600.max_simds) {
rdev->config.r600.max_simds = tmp;
}
disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
R6XX_MAX_BACKENDS, disabled_rb_mask);
tiling_config |= tmp << 16;
rdev->config.r600.backend_map = tmp;
rdev->config.r600.tile_config = tiling_config;
WREG32(GB_TILING_CONFIG, tiling_config);
WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
/* Setup some CP states */
WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
SYNC_WALKER | SYNC_ALIGNER));
/* Setup various GPU states */
if (rdev->family == CHIP_RV670)
WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
tmp = RREG32(SX_DEBUG_1);
tmp |= SMX_EVENT_RELEASE;
if ((rdev->family > CHIP_R600))
tmp |= ENABLE_NEW_SMX_ADDRESS;
WREG32(SX_DEBUG_1, tmp);
if (((rdev->family) == CHIP_R600) ||
((rdev->family) == CHIP_RV630) ||
((rdev->family) == CHIP_RV610) ||
((rdev->family) == CHIP_RV620) ||
((rdev->family) == CHIP_RS780) ||
((rdev->family) == CHIP_RS880)) {
WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
} else {
WREG32(DB_DEBUG, 0);
}
WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
WREG32(VGT_NUM_INSTANCES, 0);
WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
tmp = RREG32(SQ_MS_FIFO_SIZES);
if (((rdev->family) == CHIP_RV610) ||
((rdev->family) == CHIP_RV620) ||
((rdev->family) == CHIP_RS780) ||
((rdev->family) == CHIP_RS880)) {
tmp = (CACHE_FIFO_SIZE(0xa) |
FETCH_FIFO_HIWATER(0xa) |
DONE_FIFO_HIWATER(0xe0) |
ALU_UPDATE_FIFO_HIWATER(0x8));
} else if (((rdev->family) == CHIP_R600) ||
((rdev->family) == CHIP_RV630)) {
tmp &= ~DONE_FIFO_HIWATER(0xff);
tmp |= DONE_FIFO_HIWATER(0x4);
}
WREG32(SQ_MS_FIFO_SIZES, tmp);
/* 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 = RREG32(SQ_CONFIG);
sq_config &= ~(PS_PRIO(3) |
VS_PRIO(3) |
GS_PRIO(3) |
ES_PRIO(3));
sq_config |= (DX9_CONSTS |
VC_ENABLE |
PS_PRIO(0) |
VS_PRIO(1) |
GS_PRIO(2) |
ES_PRIO(3));
if ((rdev->family) == CHIP_R600) {
sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
NUM_VS_GPRS(124) |
NUM_CLAUSE_TEMP_GPRS(4));
sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
NUM_ES_GPRS(0));
sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
NUM_VS_THREADS(48) |
NUM_GS_THREADS(4) |
NUM_ES_THREADS(4));
sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
NUM_VS_STACK_ENTRIES(128));
sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
NUM_ES_STACK_ENTRIES(0));
} else if (((rdev->family) == CHIP_RV610) ||
((rdev->family) == CHIP_RV620) ||
((rdev->family) == CHIP_RS780) ||
((rdev->family) == CHIP_RS880)) {
/* no vertex cache */
sq_config &= ~VC_ENABLE;
sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
NUM_VS_GPRS(44) |
NUM_CLAUSE_TEMP_GPRS(2));
sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
NUM_ES_GPRS(17));
sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
NUM_VS_THREADS(78) |
NUM_GS_THREADS(4) |
NUM_ES_THREADS(31));
sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
NUM_VS_STACK_ENTRIES(40));
sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
NUM_ES_STACK_ENTRIES(16));
} else if (((rdev->family) == CHIP_RV630) ||
((rdev->family) == CHIP_RV635)) {
sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
NUM_VS_GPRS(44) |
NUM_CLAUSE_TEMP_GPRS(2));
sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
NUM_ES_GPRS(18));
sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
NUM_VS_THREADS(78) |
NUM_GS_THREADS(4) |
NUM_ES_THREADS(31));
sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
NUM_VS_STACK_ENTRIES(40));
sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
NUM_ES_STACK_ENTRIES(16));
} else if ((rdev->family) == CHIP_RV670) {
sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
NUM_VS_GPRS(44) |
NUM_CLAUSE_TEMP_GPRS(2));
sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
NUM_ES_GPRS(17));
sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
NUM_VS_THREADS(78) |
NUM_GS_THREADS(4) |
NUM_ES_THREADS(31));
sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
NUM_VS_STACK_ENTRIES(64));
sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
NUM_ES_STACK_ENTRIES(64));
}
WREG32(SQ_CONFIG, sq_config);
WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
if (((rdev->family) == CHIP_RV610) ||
((rdev->family) == CHIP_RV620) ||
((rdev->family) == CHIP_RS780) ||
((rdev->family) == CHIP_RS880)) {
WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
} else {
WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
}
/* More default values. 2D/3D driver should adjust as needed */
WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
S1_X(0x4) | S1_Y(0xc)));
WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
S1_X(0x2) | S1_Y(0x2) |
S2_X(0xa) | S2_Y(0x6) |
S3_X(0x6) | S3_Y(0xa)));
WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
S1_X(0x4) | S1_Y(0xc) |
S2_X(0x1) | S2_Y(0x6) |
S3_X(0xa) | S3_Y(0xe)));
WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
S5_X(0x0) | S5_Y(0x0) |
S6_X(0xb) | S6_Y(0x4) |
S7_X(0x7) | S7_Y(0x8)));
WREG32(VGT_STRMOUT_EN, 0);
tmp = rdev->config.r600.max_pipes * 16;
switch (rdev->family) {
case CHIP_RV610:
case CHIP_RV620:
case CHIP_RS780:
case CHIP_RS880:
tmp += 32;
break;
case CHIP_RV670:
tmp += 128;
break;
default:
break;
}
if (tmp > 256) {
tmp = 256;
}
WREG32(VGT_ES_PER_GS, 128);
WREG32(VGT_GS_PER_ES, tmp);
WREG32(VGT_GS_PER_VS, 2);
WREG32(VGT_GS_VERTEX_REUSE, 16);
/* more default values. 2D/3D driver should adjust as needed */
WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
WREG32(VGT_STRMOUT_EN, 0);
WREG32(SX_MISC, 0);
WREG32(PA_SC_MODE_CNTL, 0);
WREG32(PA_SC_AA_CONFIG, 0);
WREG32(PA_SC_LINE_STIPPLE, 0);
WREG32(SPI_INPUT_Z, 0);
WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
WREG32(CB_COLOR7_FRAG, 0);
/* Clear render buffer base addresses */
WREG32(CB_COLOR0_BASE, 0);
WREG32(CB_COLOR1_BASE, 0);
WREG32(CB_COLOR2_BASE, 0);
WREG32(CB_COLOR3_BASE, 0);
WREG32(CB_COLOR4_BASE, 0);
WREG32(CB_COLOR5_BASE, 0);
WREG32(CB_COLOR6_BASE, 0);
WREG32(CB_COLOR7_BASE, 0);
WREG32(CB_COLOR7_FRAG, 0);
switch (rdev->family) {
case CHIP_RV610:
case CHIP_RV620:
case CHIP_RS780:
case CHIP_RS880:
tmp = TC_L2_SIZE(8);
break;
case CHIP_RV630:
case CHIP_RV635:
tmp = TC_L2_SIZE(4);
break;
case CHIP_R600:
tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
break;
default:
tmp = TC_L2_SIZE(0);
break;
}
WREG32(TC_CNTL, tmp);
tmp = RREG32(HDP_HOST_PATH_CNTL);
WREG32(HDP_HOST_PATH_CNTL, tmp);
tmp = RREG32(ARB_POP);
tmp |= ENABLE_TC128;
WREG32(ARB_POP, tmp);
WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
NUM_CLIP_SEQ(3)));
WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
WREG32(VC_ENHANCE, 0);
}
/*
* Indirect registers accessor
*/
u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
{
u32 r;
WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
(void)RREG32(PCIE_PORT_INDEX);
r = RREG32(PCIE_PORT_DATA);
return r;
}
void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
{
WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
(void)RREG32(PCIE_PORT_INDEX);
WREG32(PCIE_PORT_DATA, (v));
(void)RREG32(PCIE_PORT_DATA);
}
/*
* CP & Ring
*/
void r600_cp_stop(struct radeon_device *rdev)
{
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
WREG32(SCRATCH_UMSK, 0);
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
}
int r600_init_microcode(struct radeon_device *rdev)
{
struct platform_device *pdev;
const char *chip_name;
const char *rlc_chip_name;
size_t pfp_req_size, me_req_size, rlc_req_size;
char fw_name[30];
int err;
DRM_DEBUG("\n");
pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
err = IS_ERR(pdev);
if (err) {
printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
return -EINVAL;
}
switch (rdev->family) {
case CHIP_R600:
chip_name = "R600";
rlc_chip_name = "R600";
break;
case CHIP_RV610:
chip_name = "RV610";
rlc_chip_name = "R600";
break;
case CHIP_RV630:
chip_name = "RV630";
rlc_chip_name = "R600";
break;
case CHIP_RV620:
chip_name = "RV620";
rlc_chip_name = "R600";
break;
case CHIP_RV635:
chip_name = "RV635";
rlc_chip_name = "R600";
break;
case CHIP_RV670:
chip_name = "RV670";
rlc_chip_name = "R600";
break;
case CHIP_RS780:
case CHIP_RS880:
chip_name = "RS780";
rlc_chip_name = "R600";
break;
case CHIP_RV770:
chip_name = "RV770";
rlc_chip_name = "R700";
break;
case CHIP_RV730:
case CHIP_RV740:
chip_name = "RV730";
rlc_chip_name = "R700";
break;
case CHIP_RV710:
chip_name = "RV710";
rlc_chip_name = "R700";
break;
case CHIP_CEDAR:
chip_name = "CEDAR";
rlc_chip_name = "CEDAR";
break;
case CHIP_REDWOOD:
chip_name = "REDWOOD";
rlc_chip_name = "REDWOOD";
break;
case CHIP_JUNIPER:
chip_name = "JUNIPER";
rlc_chip_name = "JUNIPER";
break;
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
chip_name = "CYPRESS";
rlc_chip_name = "CYPRESS";
break;
case CHIP_PALM:
chip_name = "PALM";
rlc_chip_name = "SUMO";
break;
case CHIP_SUMO:
chip_name = "SUMO";
rlc_chip_name = "SUMO";
break;
case CHIP_SUMO2:
chip_name = "SUMO2";
rlc_chip_name = "SUMO";
break;
default: BUG();
}
if (rdev->family >= CHIP_CEDAR) {
pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
} else if (rdev->family >= CHIP_RV770) {
pfp_req_size = R700_PFP_UCODE_SIZE * 4;
me_req_size = R700_PM4_UCODE_SIZE * 4;
rlc_req_size = R700_RLC_UCODE_SIZE * 4;
} else {
pfp_req_size = PFP_UCODE_SIZE * 4;
me_req_size = PM4_UCODE_SIZE * 12;
rlc_req_size = RLC_UCODE_SIZE * 4;
}
DRM_INFO("Loading %s Microcode\n", chip_name);
snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
if (err)
goto out;
if (rdev->pfp_fw->size != pfp_req_size) {
printk(KERN_ERR
"r600_cp: Bogus length %zu in firmware \"%s\"\n",
rdev->pfp_fw->size, fw_name);
err = -EINVAL;
goto out;
}
snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
if (err)
goto out;
if (rdev->me_fw->size != me_req_size) {
printk(KERN_ERR
"r600_cp: Bogus length %zu in firmware \"%s\"\n",
rdev->me_fw->size, fw_name);
err = -EINVAL;
}
snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
if (err)
goto out;
if (rdev->rlc_fw->size != rlc_req_size) {
printk(KERN_ERR
"r600_rlc: Bogus length %zu in firmware \"%s\"\n",
rdev->rlc_fw->size, fw_name);
err = -EINVAL;
}
out:
platform_device_unregister(pdev);
if (err) {
if (err != -EINVAL)
printk(KERN_ERR
"r600_cp: Failed to load firmware \"%s\"\n",
fw_name);
release_firmware(rdev->pfp_fw);
rdev->pfp_fw = NULL;
release_firmware(rdev->me_fw);
rdev->me_fw = NULL;
release_firmware(rdev->rlc_fw);
rdev->rlc_fw = NULL;
}
return err;
}
static int r600_cp_load_microcode(struct radeon_device *rdev)
{
const __be32 *fw_data;
int i;
if (!rdev->me_fw || !rdev->pfp_fw)
return -EINVAL;
r600_cp_stop(rdev);
WREG32(CP_RB_CNTL,
#ifdef __BIG_ENDIAN
BUF_SWAP_32BIT |
#endif
RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
/* Reset cp */
WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
RREG32(GRBM_SOFT_RESET);
mdelay(15);
WREG32(GRBM_SOFT_RESET, 0);
WREG32(CP_ME_RAM_WADDR, 0);
fw_data = (const __be32 *)rdev->me_fw->data;
WREG32(CP_ME_RAM_WADDR, 0);
for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
WREG32(CP_ME_RAM_DATA,
be32_to_cpup(fw_data++));
fw_data = (const __be32 *)rdev->pfp_fw->data;
WREG32(CP_PFP_UCODE_ADDR, 0);
for (i = 0; i < PFP_UCODE_SIZE; i++)
WREG32(CP_PFP_UCODE_DATA,
be32_to_cpup(fw_data++));
WREG32(CP_PFP_UCODE_ADDR, 0);
WREG32(CP_ME_RAM_WADDR, 0);
WREG32(CP_ME_RAM_RADDR, 0);
return 0;
}
int r600_cp_start(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
int r;
uint32_t cp_me;
r = radeon_ring_lock(rdev, ring, 7);
if (r) {
DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
return r;
}
radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
radeon_ring_write(ring, 0x1);
if (rdev->family >= CHIP_RV770) {
radeon_ring_write(ring, 0x0);
radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
} else {
radeon_ring_write(ring, 0x3);
radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
}
radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 0);
radeon_ring_unlock_commit(rdev, ring);
cp_me = 0xff;
WREG32(R_0086D8_CP_ME_CNTL, cp_me);
return 0;
}
int r600_cp_resume(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
u32 tmp;
u32 rb_bufsz;
int r;
/* Reset cp */
WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
RREG32(GRBM_SOFT_RESET);
mdelay(15);
WREG32(GRBM_SOFT_RESET, 0);
/* Set ring buffer size */
rb_bufsz = drm_order(ring->ring_size / 8);
tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
#ifdef __BIG_ENDIAN
tmp |= BUF_SWAP_32BIT;
#endif
WREG32(CP_RB_CNTL, tmp);
WREG32(CP_SEM_WAIT_TIMER, 0x0);
/* Set the write pointer delay */
WREG32(CP_RB_WPTR_DELAY, 0);
/* Initialize the ring buffer's read and write pointers */
WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
WREG32(CP_RB_RPTR_WR, 0);
ring->wptr = 0;
WREG32(CP_RB_WPTR, ring->wptr);
/* set the wb address whether it's enabled or not */
WREG32(CP_RB_RPTR_ADDR,
((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
if (rdev->wb.enabled)
WREG32(SCRATCH_UMSK, 0xff);
else {
tmp |= RB_NO_UPDATE;
WREG32(SCRATCH_UMSK, 0);
}
mdelay(1);
WREG32(CP_RB_CNTL, tmp);
WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
ring->rptr = RREG32(CP_RB_RPTR);
r600_cp_start(rdev);
ring->ready = true;
r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
if (r) {
ring->ready = false;
return r;
}
return 0;
}
void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
{
u32 rb_bufsz;
int r;
/* Align ring size */
rb_bufsz = drm_order(ring_size / 8);
ring_size = (1 << (rb_bufsz + 1)) * 4;
ring->ring_size = ring_size;
ring->align_mask = 16 - 1;
if (radeon_ring_supports_scratch_reg(rdev, ring)) {
r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
if (r) {
DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
ring->rptr_save_reg = 0;
}
}
}
void r600_cp_fini(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
r600_cp_stop(rdev);
radeon_ring_fini(rdev, ring);
radeon_scratch_free(rdev, ring->rptr_save_reg);
}
/*
* DMA
* Starting with R600, the GPU has an asynchronous
* DMA engine. The programming model is very similar
* to the 3D engine (ring buffer, IBs, etc.), but the
* DMA controller has it's own packet format that is
* different form the PM4 format used by the 3D engine.
* It supports copying data, writing embedded data,
* solid fills, and a number of other things. It also
* has support for tiling/detiling of buffers.
*/
/**
* r600_dma_stop - stop the async dma engine
*
* @rdev: radeon_device pointer
*
* Stop the async dma engine (r6xx-evergreen).
*/
void r600_dma_stop(struct radeon_device *rdev)
{
u32 rb_cntl = RREG32(DMA_RB_CNTL);
radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
rb_cntl &= ~DMA_RB_ENABLE;
WREG32(DMA_RB_CNTL, rb_cntl);
rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false;
}
/**
* r600_dma_resume - setup and start the async dma engine
*
* @rdev: radeon_device pointer
*
* Set up the DMA ring buffer and enable it. (r6xx-evergreen).
* Returns 0 for success, error for failure.
*/
int r600_dma_resume(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
u32 rb_cntl, dma_cntl, ib_cntl;
u32 rb_bufsz;
int r;
/* Reset dma */
if (rdev->family >= CHIP_RV770)
WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA);
else
WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA);
RREG32(SRBM_SOFT_RESET);
udelay(50);
WREG32(SRBM_SOFT_RESET, 0);
WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL, 0);
WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL, 0);
/* Set ring buffer size in dwords */
rb_bufsz = drm_order(ring->ring_size / 4);
rb_cntl = rb_bufsz << 1;
#ifdef __BIG_ENDIAN
rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE;
#endif
WREG32(DMA_RB_CNTL, rb_cntl);
/* Initialize the ring buffer's read and write pointers */
WREG32(DMA_RB_RPTR, 0);
WREG32(DMA_RB_WPTR, 0);
/* set the wb address whether it's enabled or not */
WREG32(DMA_RB_RPTR_ADDR_HI,
upper_32_bits(rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFF);
WREG32(DMA_RB_RPTR_ADDR_LO,
((rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFFFFFFFC));
if (rdev->wb.enabled)
rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE;
WREG32(DMA_RB_BASE, ring->gpu_addr >> 8);
/* enable DMA IBs */
ib_cntl = DMA_IB_ENABLE;
#ifdef __BIG_ENDIAN
ib_cntl |= DMA_IB_SWAP_ENABLE;
#endif
WREG32(DMA_IB_CNTL, ib_cntl);
dma_cntl = RREG32(DMA_CNTL);
dma_cntl &= ~CTXEMPTY_INT_ENABLE;
WREG32(DMA_CNTL, dma_cntl);
if (rdev->family >= CHIP_RV770)
WREG32(DMA_MODE, 1);
ring->wptr = 0;
WREG32(DMA_RB_WPTR, ring->wptr << 2);
ring->rptr = RREG32(DMA_RB_RPTR) >> 2;
WREG32(DMA_RB_CNTL, rb_cntl | DMA_RB_ENABLE);
ring->ready = true;
r = radeon_ring_test(rdev, R600_RING_TYPE_DMA_INDEX, ring);
if (r) {
ring->ready = false;
return r;
}
radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
return 0;
}
/**
* r600_dma_fini - tear down the async dma engine
*
* @rdev: radeon_device pointer
*
* Stop the async dma engine and free the ring (r6xx-evergreen).
*/
void r600_dma_fini(struct radeon_device *rdev)
{
r600_dma_stop(rdev);
radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]);
}
/*
* UVD
*/
int r600_uvd_rbc_start(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
uint64_t rptr_addr;
uint32_t rb_bufsz, tmp;
int r;
rptr_addr = rdev->wb.gpu_addr + R600_WB_UVD_RPTR_OFFSET;
if (upper_32_bits(rptr_addr) != upper_32_bits(ring->gpu_addr)) {
DRM_ERROR("UVD ring and rptr not in the same 4GB segment!\n");
return -EINVAL;
}
/* force RBC into idle state */
WREG32(UVD_RBC_RB_CNTL, 0x11010101);
/* Set the write pointer delay */
WREG32(UVD_RBC_RB_WPTR_CNTL, 0);
/* set the wb address */
WREG32(UVD_RBC_RB_RPTR_ADDR, rptr_addr >> 2);
/* programm the 4GB memory segment for rptr and ring buffer */
WREG32(UVD_LMI_EXT40_ADDR, upper_32_bits(rptr_addr) |
(0x7 << 16) | (0x1 << 31));
/* Initialize the ring buffer's read and write pointers */
WREG32(UVD_RBC_RB_RPTR, 0x0);
ring->wptr = ring->rptr = RREG32(UVD_RBC_RB_RPTR);
WREG32(UVD_RBC_RB_WPTR, ring->wptr);
/* set the ring address */
WREG32(UVD_RBC_RB_BASE, ring->gpu_addr);
/* Set ring buffer size */
rb_bufsz = drm_order(ring->ring_size);
rb_bufsz = (0x1 << 8) | rb_bufsz;
WREG32(UVD_RBC_RB_CNTL, rb_bufsz);
ring->ready = true;
r = radeon_ring_test(rdev, R600_RING_TYPE_UVD_INDEX, ring);
if (r) {
ring->ready = false;
return r;
}
r = radeon_ring_lock(rdev, ring, 10);
if (r) {
DRM_ERROR("radeon: ring failed to lock UVD ring (%d).\n", r);
return r;
}
tmp = PACKET0(UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
radeon_ring_write(ring, tmp);
radeon_ring_write(ring, 0xFFFFF);
tmp = PACKET0(UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
radeon_ring_write(ring, tmp);
radeon_ring_write(ring, 0xFFFFF);
tmp = PACKET0(UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
radeon_ring_write(ring, tmp);
radeon_ring_write(ring, 0xFFFFF);
/* Clear timeout status bits */
radeon_ring_write(ring, PACKET0(UVD_SEMA_TIMEOUT_STATUS, 0));
radeon_ring_write(ring, 0x8);
radeon_ring_write(ring, PACKET0(UVD_SEMA_CNTL, 0));
radeon_ring_write(ring, 3);
radeon_ring_unlock_commit(rdev, ring);
return 0;
}
void r600_uvd_rbc_stop(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
/* force RBC into idle state */
WREG32(UVD_RBC_RB_CNTL, 0x11010101);
ring->ready = false;
}
int r600_uvd_init(struct radeon_device *rdev)
{
int i, j, r;
/* disable byte swapping */
u32 lmi_swap_cntl = 0;
u32 mp_swap_cntl = 0;
/* raise clocks while booting up the VCPU */
radeon_set_uvd_clocks(rdev, 53300, 40000);
/* disable clock gating */
WREG32(UVD_CGC_GATE, 0);
/* disable interupt */
WREG32_P(UVD_MASTINT_EN, 0, ~(1 << 1));
/* put LMI, VCPU, RBC etc... into reset */
WREG32(UVD_SOFT_RESET, LMI_SOFT_RESET | VCPU_SOFT_RESET |
LBSI_SOFT_RESET | RBC_SOFT_RESET | CSM_SOFT_RESET |
CXW_SOFT_RESET | TAP_SOFT_RESET | LMI_UMC_SOFT_RESET);
mdelay(5);
/* take UVD block out of reset */
WREG32_P(SRBM_SOFT_RESET, 0, ~SOFT_RESET_UVD);
mdelay(5);
/* initialize UVD memory controller */
WREG32(UVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) |
(1 << 21) | (1 << 9) | (1 << 20));
#ifdef __BIG_ENDIAN
/* swap (8 in 32) RB and IB */
lmi_swap_cntl = 0xa;
mp_swap_cntl = 0;
#endif
WREG32(UVD_LMI_SWAP_CNTL, lmi_swap_cntl);
WREG32(UVD_MP_SWAP_CNTL, mp_swap_cntl);
WREG32(UVD_MPC_SET_MUXA0, 0x40c2040);
WREG32(UVD_MPC_SET_MUXA1, 0x0);
WREG32(UVD_MPC_SET_MUXB0, 0x40c2040);
WREG32(UVD_MPC_SET_MUXB1, 0x0);
WREG32(UVD_MPC_SET_ALU, 0);
WREG32(UVD_MPC_SET_MUX, 0x88);
/* Stall UMC */
WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3));
/* take all subblocks out of reset, except VCPU */
WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET);
mdelay(5);
/* enable VCPU clock */
WREG32(UVD_VCPU_CNTL, 1 << 9);
/* enable UMC */
WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8));
/* boot up the VCPU */
WREG32(UVD_SOFT_RESET, 0);
mdelay(10);
WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3));
for (i = 0; i < 10; ++i) {
uint32_t status;
for (j = 0; j < 100; ++j) {
status = RREG32(UVD_STATUS);
if (status & 2)
break;
mdelay(10);
}
r = 0;
if (status & 2)
break;
DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
WREG32_P(UVD_SOFT_RESET, VCPU_SOFT_RESET, ~VCPU_SOFT_RESET);
mdelay(10);
WREG32_P(UVD_SOFT_RESET, 0, ~VCPU_SOFT_RESET);
mdelay(10);
r = -1;
}
if (r) {
DRM_ERROR("UVD not responding, giving up!!!\n");
radeon_set_uvd_clocks(rdev, 0, 0);
return r;
}
/* enable interupt */
WREG32_P(UVD_MASTINT_EN, 3<<1, ~(3 << 1));
r = r600_uvd_rbc_start(rdev);
if (!r)
DRM_INFO("UVD initialized successfully.\n");
/* lower clocks again */
radeon_set_uvd_clocks(rdev, 0, 0);
return r;
}
/*
* GPU scratch registers helpers function.
*/
void r600_scratch_init(struct radeon_device *rdev)
{
int i;
rdev->scratch.num_reg = 7;
rdev->scratch.reg_base = SCRATCH_REG0;
for (i = 0; i < rdev->scratch.num_reg; i++) {
rdev->scratch.free[i] = true;
rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
}
}
int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
{
uint32_t scratch;
uint32_t tmp = 0;
unsigned i;
int r;
r = radeon_scratch_get(rdev, &scratch);
if (r) {
DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
return r;
}
WREG32(scratch, 0xCAFEDEAD);
r = radeon_ring_lock(rdev, ring, 3);
if (r) {
DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r);
radeon_scratch_free(rdev, scratch);
return r;
}
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
radeon_ring_write(ring, 0xDEADBEEF);
radeon_ring_unlock_commit(rdev, ring);
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(scratch);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i < rdev->usec_timeout) {
DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
} else {
DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
ring->idx, scratch, tmp);
r = -EINVAL;
}
radeon_scratch_free(rdev, scratch);
return r;
}
/**
* r600_dma_ring_test - simple async dma engine test
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
* Test the DMA engine by writing using it to write an
* value to memory. (r6xx-SI).
* Returns 0 for success, error for failure.
*/
int r600_dma_ring_test(struct radeon_device *rdev,
struct radeon_ring *ring)
{
unsigned i;
int r;
void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
u32 tmp;
if (!ptr) {
DRM_ERROR("invalid vram scratch pointer\n");
return -EINVAL;
}
tmp = 0xCAFEDEAD;
writel(tmp, ptr);
r = radeon_ring_lock(rdev, ring, 4);
if (r) {
DRM_ERROR("radeon: dma failed to lock ring %d (%d).\n", ring->idx, r);
return r;
}
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc);
radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff);
radeon_ring_write(ring, 0xDEADBEEF);
radeon_ring_unlock_commit(rdev, ring);
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = readl(ptr);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i < rdev->usec_timeout) {
DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
} else {
DRM_ERROR("radeon: ring %d test failed (0x%08X)\n",
ring->idx, tmp);
r = -EINVAL;
}
return r;
}
int r600_uvd_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
{
uint32_t tmp = 0;
unsigned i;
int r;
WREG32(UVD_CONTEXT_ID, 0xCAFEDEAD);
r = radeon_ring_lock(rdev, ring, 3);
if (r) {
DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n",
ring->idx, r);
return r;
}
radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
radeon_ring_write(ring, 0xDEADBEEF);
radeon_ring_unlock_commit(rdev, ring);
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(UVD_CONTEXT_ID);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i < rdev->usec_timeout) {
DRM_INFO("ring test on %d succeeded in %d usecs\n",
ring->idx, i);
} else {
DRM_ERROR("radeon: ring %d test failed (0x%08X)\n",
ring->idx, tmp);
r = -EINVAL;
}
return r;
}
/*
* CP fences/semaphores
*/
void r600_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
struct radeon_ring *ring = &rdev->ring[fence->ring];
if (rdev->wb.use_event) {
u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
/* flush read cache over gart */
radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
radeon_ring_write(ring, PACKET3_TC_ACTION_ENA |
PACKET3_VC_ACTION_ENA |
PACKET3_SH_ACTION_ENA);
radeon_ring_write(ring, 0xFFFFFFFF);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 10); /* poll interval */
/* EVENT_WRITE_EOP - flush caches, send int */
radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
radeon_ring_write(ring, addr & 0xffffffff);
radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
radeon_ring_write(ring, fence->seq);
radeon_ring_write(ring, 0);
} else {
/* flush read cache over gart */
radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
radeon_ring_write(ring, PACKET3_TC_ACTION_ENA |
PACKET3_VC_ACTION_ENA |
PACKET3_SH_ACTION_ENA);
radeon_ring_write(ring, 0xFFFFFFFF);
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 10); /* poll interval */
radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
/* wait for 3D idle clean */
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
/* Emit fence sequence & fire IRQ */
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
radeon_ring_write(ring, fence->seq);
/* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
radeon_ring_write(ring, RB_INT_STAT);
}
}
void r600_uvd_fence_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
struct radeon_ring *ring = &rdev->ring[fence->ring];
uint32_t addr = rdev->fence_drv[fence->ring].gpu_addr;
radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
radeon_ring_write(ring, fence->seq);
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
radeon_ring_write(ring, addr & 0xffffffff);
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
radeon_ring_write(ring, 2);
return;
}
void r600_semaphore_ring_emit(struct radeon_device *rdev,
struct radeon_ring *ring,
struct radeon_semaphore *semaphore,
bool emit_wait)
{
uint64_t addr = semaphore->gpu_addr;
unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
if (rdev->family < CHIP_CAYMAN)
sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
radeon_ring_write(ring, addr & 0xffffffff);
radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
}
/*
* DMA fences/semaphores
*/
/**
* r600_dma_fence_ring_emit - emit a fence on the DMA ring
*
* @rdev: radeon_device pointer
* @fence: radeon fence object
*
* Add a DMA fence packet to the ring to write
* the fence seq number and DMA trap packet to generate
* an interrupt if needed (r6xx-r7xx).
*/
void r600_dma_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
struct radeon_ring *ring = &rdev->ring[fence->ring];
u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
/* write the fence */
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_FENCE, 0, 0, 0));
radeon_ring_write(ring, addr & 0xfffffffc);
radeon_ring_write(ring, (upper_32_bits(addr) & 0xff));
radeon_ring_write(ring, lower_32_bits(fence->seq));
/* generate an interrupt */
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0));
}
/**
* r600_dma_semaphore_ring_emit - emit a semaphore on the dma ring
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
* @semaphore: radeon semaphore object
* @emit_wait: wait or signal semaphore
*
* Add a DMA semaphore packet to the ring wait on or signal
* other rings (r6xx-SI).
*/
void r600_dma_semaphore_ring_emit(struct radeon_device *rdev,
struct radeon_ring *ring,
struct radeon_semaphore *semaphore,
bool emit_wait)
{
u64 addr = semaphore->gpu_addr;
u32 s = emit_wait ? 0 : 1;
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SEMAPHORE, 0, s, 0));
radeon_ring_write(ring, addr & 0xfffffffc);
radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
}
void r600_uvd_semaphore_emit(struct radeon_device *rdev,
struct radeon_ring *ring,
struct radeon_semaphore *semaphore,
bool emit_wait)
{
uint64_t addr = semaphore->gpu_addr;
radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0));
radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0));
radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
radeon_ring_write(ring, emit_wait ? 1 : 0);
}
int r600_copy_blit(struct radeon_device *rdev,
uint64_t src_offset,
uint64_t dst_offset,
unsigned num_gpu_pages,
struct radeon_fence **fence)
{
struct radeon_semaphore *sem = NULL;
struct radeon_sa_bo *vb = NULL;
int r;
r = r600_blit_prepare_copy(rdev, num_gpu_pages, fence, &vb, &sem);
if (r) {
return r;
}
r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages, vb);
r600_blit_done_copy(rdev, fence, vb, sem);
return 0;
}
/**
* r600_copy_dma - copy pages using the DMA engine
*
* @rdev: radeon_device pointer
* @src_offset: src GPU address
* @dst_offset: dst GPU address
* @num_gpu_pages: number of GPU pages to xfer
* @fence: radeon fence object
*
* Copy GPU paging using the DMA engine (r6xx).
* Used by the radeon ttm implementation to move pages if
* registered as the asic copy callback.
*/
int r600_copy_dma(struct radeon_device *rdev,
uint64_t src_offset, uint64_t dst_offset,
unsigned num_gpu_pages,
struct radeon_fence **fence)
{
struct radeon_semaphore *sem = NULL;
int ring_index = rdev->asic->copy.dma_ring_index;
struct radeon_ring *ring = &rdev->ring[ring_index];
u32 size_in_dw, cur_size_in_dw;
int i, num_loops;
int r = 0;
r = radeon_semaphore_create(rdev, &sem);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
return r;
}
size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFE);
r = radeon_ring_lock(rdev, ring, num_loops * 4 + 8);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
radeon_semaphore_free(rdev, &sem, NULL);
return r;
}
if (radeon_fence_need_sync(*fence, ring->idx)) {
radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
ring->idx);
radeon_fence_note_sync(*fence, ring->idx);
} else {
radeon_semaphore_free(rdev, &sem, NULL);
}
for (i = 0; i < num_loops; i++) {
cur_size_in_dw = size_in_dw;
if (cur_size_in_dw > 0xFFFE)
cur_size_in_dw = 0xFFFE;
size_in_dw -= cur_size_in_dw;
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw));
radeon_ring_write(ring, dst_offset & 0xfffffffc);
radeon_ring_write(ring, src_offset & 0xfffffffc);
radeon_ring_write(ring, (((upper_32_bits(dst_offset) & 0xff) << 16) |
(upper_32_bits(src_offset) & 0xff)));
src_offset += cur_size_in_dw * 4;
dst_offset += cur_size_in_dw * 4;
}
r = radeon_fence_emit(rdev, fence, ring->idx);
if (r) {
radeon_ring_unlock_undo(rdev, ring);
return r;
}
radeon_ring_unlock_commit(rdev, ring);
radeon_semaphore_free(rdev, &sem, *fence);
return r;
}
int r600_set_surface_reg(struct radeon_device *rdev, int reg,
uint32_t tiling_flags, uint32_t pitch,
uint32_t offset, uint32_t obj_size)
{
/* FIXME: implement */
return 0;
}
void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
{
/* FIXME: implement */
}
static int r600_startup(struct radeon_device *rdev)
{
struct radeon_ring *ring;
int r;
/* enable pcie gen2 link */
r600_pcie_gen2_enable(rdev);
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
DRM_ERROR("Failed to load firmware!\n");
return r;
}
}
r = r600_vram_scratch_init(rdev);
if (r)
return r;
r600_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
r600_agp_enable(rdev);
} else {
r = r600_pcie_gart_enable(rdev);
if (r)
return r;
}
r600_gpu_init(rdev);
r = r600_blit_init(rdev);
if (r) {
// r600_blit_fini(rdev);
rdev->asic->copy.copy = NULL;
dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", 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;
}
r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
return r;
}
/* Enable IRQ */
if (!rdev->irq.installed) {
r = radeon_irq_kms_init(rdev);
if (r)
return r;
}
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
// radeon_irq_kms_fini(rdev);
return r;
}
r600_irq_set(rdev);
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
R600_CP_RB_RPTR, R600_CP_RB_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (r)
return r;
ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
DMA_RB_RPTR, DMA_RB_WPTR,
2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
if (r)
return r;
r = r600_cp_load_microcode(rdev);
if (r)
return r;
r = r600_cp_resume(rdev);
if (r)
return r;
r = r600_dma_resume(rdev);
if (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;
}
void r600_vga_set_state(struct radeon_device *rdev, bool state)
{
uint32_t temp;
temp = RREG32(CONFIG_CNTL);
if (state == false) {
temp &= ~(1<<0);
temp |= (1<<1);
} else {
temp &= ~(1<<1);
}
WREG32(CONFIG_CNTL, temp);
}
/* Plan is to move initialization in that function and use
* helper function so that radeon_device_init pretty much
* do nothing more than calling asic specific function. This
* should also allow to remove a bunch of callback function
* like vram_info.
*/
int r600_init(struct radeon_device *rdev)
{
int r;
if (r600_debugfs_mc_info_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for mc !\n");
}
/* Read BIOS */
if (!radeon_get_bios(rdev)) {
if (ASIC_IS_AVIVO(rdev))
return -EINVAL;
}
/* Must be an ATOMBIOS */
if (!rdev->is_atom_bios) {
dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
return -EINVAL;
}
r = radeon_atombios_init(rdev);
if (r)
return r;
/* Post card if necessary */
if (!radeon_card_posted(rdev)) {
if (!rdev->bios) {
dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
return -EINVAL;
}
DRM_INFO("GPU not posted. posting now...\n");
atom_asic_init(rdev->mode_info.atom_context);
}
/* Initialize scratch registers */
r600_scratch_init(rdev);
/* Initialize surface registers */
radeon_surface_init(rdev);
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
if (r)
return r;
if (rdev->flags & RADEON_IS_AGP) {
r = radeon_agp_init(rdev);
if (r)
radeon_agp_disable(rdev);
}
r = r600_mc_init(rdev);
if (r)
return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
return r;
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
rdev->ih.ring_obj = NULL;
r600_ih_ring_init(rdev, 64 * 1024);
r = r600_pcie_gart_init(rdev);
if (r)
return r;
rdev->accel_working = true;
r = r600_startup(rdev);
if (r) {
dev_err(rdev->dev, "disabling GPU acceleration\n");
r600_pcie_gart_fini(rdev);
rdev->accel_working = false;
}
return 0;
}
/*
* CS stuff
*/
void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
{
struct radeon_ring *ring = &rdev->ring[ib->ring];
u32 next_rptr;
if (ring->rptr_save_reg) {
next_rptr = ring->wptr + 3 + 4;
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, ((ring->rptr_save_reg -
PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
radeon_ring_write(ring, next_rptr);
} else if (rdev->wb.enabled) {
next_rptr = ring->wptr + 5 + 4;
radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
radeon_ring_write(ring, next_rptr);
radeon_ring_write(ring, 0);
}
radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
radeon_ring_write(ring,
#ifdef __BIG_ENDIAN
(2 << 0) |
#endif
(ib->gpu_addr & 0xFFFFFFFC));
radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
radeon_ring_write(ring, ib->length_dw);
}
void r600_uvd_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
{
struct radeon_ring *ring = &rdev->ring[ib->ring];
radeon_ring_write(ring, PACKET0(UVD_RBC_IB_BASE, 0));
radeon_ring_write(ring, ib->gpu_addr);
radeon_ring_write(ring, PACKET0(UVD_RBC_IB_SIZE, 0));
radeon_ring_write(ring, ib->length_dw);
}
int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
{
struct radeon_ib ib;
uint32_t scratch;
uint32_t tmp = 0;
unsigned i;
int r;
r = radeon_scratch_get(rdev, &scratch);
if (r) {
DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
return r;
}
WREG32(scratch, 0xCAFEDEAD);
r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
if (r) {
DRM_ERROR("radeon: failed to get ib (%d).\n", r);
goto free_scratch;
}
ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
ib.ptr[2] = 0xDEADBEEF;
ib.length_dw = 3;
r = radeon_ib_schedule(rdev, &ib, NULL);
if (r) {
DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
goto free_ib;
}
r = radeon_fence_wait(ib.fence, false);
if (r) {
DRM_ERROR("radeon: fence wait failed (%d).\n", r);
goto free_ib;
}
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(scratch);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i < rdev->usec_timeout) {
DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
} else {
DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
scratch, tmp);
r = -EINVAL;
}
free_ib:
radeon_ib_free(rdev, &ib);
free_scratch:
radeon_scratch_free(rdev, scratch);
return r;
}
/**
* r600_dma_ib_test - test an IB on the DMA engine
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
* Test a simple IB in the DMA ring (r6xx-SI).
* Returns 0 on success, error on failure.
*/
int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
{
struct radeon_ib ib;
unsigned i;
int r;
void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
u32 tmp = 0;
if (!ptr) {
DRM_ERROR("invalid vram scratch pointer\n");
return -EINVAL;
}
tmp = 0xCAFEDEAD;
writel(tmp, ptr);
r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
if (r) {
DRM_ERROR("radeon: failed to get ib (%d).\n", r);
return r;
}
ib.ptr[0] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1);
ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc;
ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff;
ib.ptr[3] = 0xDEADBEEF;
ib.length_dw = 4;
r = radeon_ib_schedule(rdev, &ib, NULL);
if (r) {
radeon_ib_free(rdev, &ib);
DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
return r;
}
r = radeon_fence_wait(ib.fence, false);
if (r) {
DRM_ERROR("radeon: fence wait failed (%d).\n", r);
return r;
}
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = readl(ptr);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i < rdev->usec_timeout) {
DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
} else {
DRM_ERROR("radeon: ib test failed (0x%08X)\n", tmp);
r = -EINVAL;
}
radeon_ib_free(rdev, &ib);
return r;
}
int r600_uvd_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
{
struct radeon_fence *fence = NULL;
int r;
r = radeon_set_uvd_clocks(rdev, 53300, 40000);
if (r) {
DRM_ERROR("radeon: failed to raise UVD clocks (%d).\n", r);
return r;
}
// r = radeon_uvd_get_create_msg(rdev, ring->idx, 1, NULL);
if (r) {
DRM_ERROR("radeon: failed to get create msg (%d).\n", r);
goto error;
}
// r = radeon_uvd_get_destroy_msg(rdev, ring->idx, 1, &fence);
if (r) {
DRM_ERROR("radeon: failed to get destroy ib (%d).\n", r);
goto error;
}
r = radeon_fence_wait(fence, false);
if (r) {
DRM_ERROR("radeon: fence wait failed (%d).\n", r);
goto error;
}
DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
error:
radeon_fence_unref(&fence);
radeon_set_uvd_clocks(rdev, 0, 0);
return r;
}
/**
* r600_dma_ring_ib_execute - Schedule an IB on the DMA engine
*
* @rdev: radeon_device pointer
* @ib: IB object to schedule
*
* Schedule an IB in the DMA ring (r6xx-r7xx).
*/
void r600_dma_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
{
struct radeon_ring *ring = &rdev->ring[ib->ring];
if (rdev->wb.enabled) {
u32 next_rptr = ring->wptr + 4;
while ((next_rptr & 7) != 5)
next_rptr++;
next_rptr += 3;
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff);
radeon_ring_write(ring, next_rptr);
}
/* The indirect buffer packet must end on an 8 DW boundary in the DMA ring.
* Pad as necessary with NOPs.
*/
while ((ring->wptr & 7) != 5)
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_INDIRECT_BUFFER, 0, 0, 0));
radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0));
radeon_ring_write(ring, (ib->length_dw << 16) | (upper_32_bits(ib->gpu_addr) & 0xFF));
}
/*
* Interrupts
*
* Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty
* the same as the CP ring buffer, but in reverse. Rather than the CPU
* writing to the ring and the GPU consuming, the GPU writes to the ring
* and host consumes. As the host irq handler processes interrupts, it
* increments the rptr. When the rptr catches up with the wptr, all the
* current interrupts have been processed.
*/
void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
{
u32 rb_bufsz;
/* Align ring size */
rb_bufsz = drm_order(ring_size / 4);
ring_size = (1 << rb_bufsz) * 4;
rdev->ih.ring_size = ring_size;
rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
rdev->ih.rptr = 0;
}
int r600_ih_ring_alloc(struct radeon_device *rdev)
{
int r;
/* Allocate ring buffer */
if (rdev->ih.ring_obj == NULL) {
r = radeon_bo_create(rdev, rdev->ih.ring_size,
PAGE_SIZE, true,
RADEON_GEM_DOMAIN_GTT,
NULL, &rdev->ih.ring_obj);
if (r) {
DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
return r;
}
r = radeon_bo_reserve(rdev->ih.ring_obj, false);
if (unlikely(r != 0))
return r;
r = radeon_bo_pin(rdev->ih.ring_obj,
RADEON_GEM_DOMAIN_GTT,
&rdev->ih.gpu_addr);
if (r) {
radeon_bo_unreserve(rdev->ih.ring_obj);
DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
return r;
}
r = radeon_bo_kmap(rdev->ih.ring_obj,
(void **)&rdev->ih.ring);
radeon_bo_unreserve(rdev->ih.ring_obj);
if (r) {
DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
return r;
}
}
return 0;
}
void r600_ih_ring_fini(struct radeon_device *rdev)
{
int r;
if (rdev->ih.ring_obj) {
r = radeon_bo_reserve(rdev->ih.ring_obj, false);
if (likely(r == 0)) {
radeon_bo_kunmap(rdev->ih.ring_obj);
radeon_bo_unpin(rdev->ih.ring_obj);
radeon_bo_unreserve(rdev->ih.ring_obj);
}
radeon_bo_unref(&rdev->ih.ring_obj);
rdev->ih.ring = NULL;
rdev->ih.ring_obj = NULL;
}
}
void r600_rlc_stop(struct radeon_device *rdev)
{
if ((rdev->family >= CHIP_RV770) &&
(rdev->family <= CHIP_RV740)) {
/* r7xx asics need to soft reset RLC before halting */
WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
RREG32(SRBM_SOFT_RESET);
mdelay(15);
WREG32(SRBM_SOFT_RESET, 0);
RREG32(SRBM_SOFT_RESET);
}
WREG32(RLC_CNTL, 0);
}
static void r600_rlc_start(struct radeon_device *rdev)
{
WREG32(RLC_CNTL, RLC_ENABLE);
}
static int r600_rlc_init(struct radeon_device *rdev)
{
u32 i;
const __be32 *fw_data;
if (!rdev->rlc_fw)
return -EINVAL;
r600_rlc_stop(rdev);
WREG32(RLC_HB_CNTL, 0);
if (rdev->family == CHIP_ARUBA) {
WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
}
if (rdev->family <= CHIP_CAYMAN) {
WREG32(RLC_HB_BASE, 0);
WREG32(RLC_HB_RPTR, 0);
WREG32(RLC_HB_WPTR, 0);
}
if (rdev->family <= CHIP_CAICOS) {
WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
}
WREG32(RLC_MC_CNTL, 0);
WREG32(RLC_UCODE_CNTL, 0);
fw_data = (const __be32 *)rdev->rlc_fw->data;
if (rdev->family >= CHIP_ARUBA) {
for (i = 0; i < ARUBA_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
}
} else if (rdev->family >= CHIP_CAYMAN) {
for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
}
} else if (rdev->family >= CHIP_CEDAR) {
for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
}
} else if (rdev->family >= CHIP_RV770) {
for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
}
} else {
for (i = 0; i < RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
}
}
WREG32(RLC_UCODE_ADDR, 0);
r600_rlc_start(rdev);
return 0;
}
static void r600_enable_interrupts(struct radeon_device *rdev)
{
u32 ih_cntl = RREG32(IH_CNTL);
u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
ih_cntl |= ENABLE_INTR;
ih_rb_cntl |= IH_RB_ENABLE;
WREG32(IH_CNTL, ih_cntl);
WREG32(IH_RB_CNTL, ih_rb_cntl);
rdev->ih.enabled = true;
}
void r600_disable_interrupts(struct radeon_device *rdev)
{
u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
u32 ih_cntl = RREG32(IH_CNTL);
ih_rb_cntl &= ~IH_RB_ENABLE;
ih_cntl &= ~ENABLE_INTR;
WREG32(IH_RB_CNTL, ih_rb_cntl);
WREG32(IH_CNTL, ih_cntl);
/* set rptr, wptr to 0 */
WREG32(IH_RB_RPTR, 0);
WREG32(IH_RB_WPTR, 0);
rdev->ih.enabled = false;
rdev->ih.rptr = 0;
}
static void r600_disable_interrupt_state(struct radeon_device *rdev)
{
u32 tmp;
WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
WREG32(DMA_CNTL, tmp);
WREG32(GRBM_INT_CNTL, 0);
WREG32(DxMODE_INT_MASK, 0);
WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
if (ASIC_IS_DCE3(rdev)) {
WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD1_INT_CONTROL, tmp);
tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD2_INT_CONTROL, tmp);
tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD3_INT_CONTROL, tmp);
tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD4_INT_CONTROL, tmp);
if (ASIC_IS_DCE32(rdev)) {
tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD5_INT_CONTROL, tmp);
tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
WREG32(DC_HPD6_INT_CONTROL, tmp);
tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
} else {
tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
}
} else {
WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
}
}
int r600_irq_init(struct radeon_device *rdev)
{
int ret = 0;
int rb_bufsz;
u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
/* allocate ring */
ret = r600_ih_ring_alloc(rdev);
if (ret)
return ret;
/* disable irqs */
r600_disable_interrupts(rdev);
/* init rlc */
ret = r600_rlc_init(rdev);
if (ret) {
r600_ih_ring_fini(rdev);
return ret;
}
/* setup interrupt control */
/* set dummy read address to ring address */
WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
interrupt_cntl = RREG32(INTERRUPT_CNTL);
/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
* IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
*/
interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
WREG32(INTERRUPT_CNTL, interrupt_cntl);
WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
rb_bufsz = drm_order(rdev->ih.ring_size / 4);
ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
IH_WPTR_OVERFLOW_CLEAR |
(rb_bufsz << 1));
if (rdev->wb.enabled)
ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
/* set the writeback address whether it's enabled or not */
WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
WREG32(IH_RB_CNTL, ih_rb_cntl);
/* set rptr, wptr to 0 */
WREG32(IH_RB_RPTR, 0);
WREG32(IH_RB_WPTR, 0);
/* Default settings for IH_CNTL (disabled at first) */
ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
/* RPTR_REARM only works if msi's are enabled */
if (rdev->msi_enabled)
ih_cntl |= RPTR_REARM;
WREG32(IH_CNTL, ih_cntl);
/* force the active interrupt state to all disabled */
if (rdev->family >= CHIP_CEDAR)
evergreen_disable_interrupt_state(rdev);
else
r600_disable_interrupt_state(rdev);
/* at this point everything should be setup correctly to enable master */
pci_set_master(rdev->pdev);
/* enable irqs */
r600_enable_interrupts(rdev);
return ret;
}
int r600_irq_set(struct radeon_device *rdev)
{
u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
u32 mode_int = 0;
u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
u32 grbm_int_cntl = 0;
u32 hdmi0, hdmi1;
u32 d1grph = 0, d2grph = 0;
u32 dma_cntl;
if (!rdev->irq.installed) {
WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
return -EINVAL;
}
/* don't enable anything if the ih is disabled */
if (!rdev->ih.enabled) {
r600_disable_interrupts(rdev);
/* force the active interrupt state to all disabled */
r600_disable_interrupt_state(rdev);
return 0;
}
if (ASIC_IS_DCE3(rdev)) {
hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
if (ASIC_IS_DCE32(rdev)) {
hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
} else {
hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
}
} else {
hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
}
dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
DRM_DEBUG("r600_irq_set: sw int\n");
cp_int_cntl |= RB_INT_ENABLE;
cp_int_cntl |= TIME_STAMP_INT_ENABLE;
}
if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
DRM_DEBUG("r600_irq_set: sw int dma\n");
dma_cntl |= TRAP_ENABLE;
}
if (rdev->irq.crtc_vblank_int[0] ||
atomic_read(&rdev->irq.pflip[0])) {
DRM_DEBUG("r600_irq_set: vblank 0\n");
mode_int |= D1MODE_VBLANK_INT_MASK;
}
if (rdev->irq.crtc_vblank_int[1] ||
atomic_read(&rdev->irq.pflip[1])) {
DRM_DEBUG("r600_irq_set: vblank 1\n");
mode_int |= D2MODE_VBLANK_INT_MASK;
}
if (rdev->irq.hpd[0]) {
DRM_DEBUG("r600_irq_set: hpd 1\n");
hpd1 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[1]) {
DRM_DEBUG("r600_irq_set: hpd 2\n");
hpd2 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[2]) {
DRM_DEBUG("r600_irq_set: hpd 3\n");
hpd3 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[3]) {
DRM_DEBUG("r600_irq_set: hpd 4\n");
hpd4 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[4]) {
DRM_DEBUG("r600_irq_set: hpd 5\n");
hpd5 |= DC_HPDx_INT_EN;
}
if (rdev->irq.hpd[5]) {
DRM_DEBUG("r600_irq_set: hpd 6\n");
hpd6 |= DC_HPDx_INT_EN;
}
if (rdev->irq.afmt[0]) {
DRM_DEBUG("r600_irq_set: hdmi 0\n");
hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
}
if (rdev->irq.afmt[1]) {
DRM_DEBUG("r600_irq_set: hdmi 0\n");
hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
}
WREG32(CP_INT_CNTL, cp_int_cntl);
WREG32(DMA_CNTL, dma_cntl);
WREG32(DxMODE_INT_MASK, mode_int);
WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
WREG32(GRBM_INT_CNTL, grbm_int_cntl);
if (ASIC_IS_DCE3(rdev)) {
WREG32(DC_HPD1_INT_CONTROL, hpd1);
WREG32(DC_HPD2_INT_CONTROL, hpd2);
WREG32(DC_HPD3_INT_CONTROL, hpd3);
WREG32(DC_HPD4_INT_CONTROL, hpd4);
if (ASIC_IS_DCE32(rdev)) {
WREG32(DC_HPD5_INT_CONTROL, hpd5);
WREG32(DC_HPD6_INT_CONTROL, hpd6);
WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
} else {
WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
}
} else {
WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
}
return 0;
}
static void r600_irq_ack(struct radeon_device *rdev)
{
u32 tmp;
if (ASIC_IS_DCE3(rdev)) {
rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
if (ASIC_IS_DCE32(rdev)) {
rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
} else {
rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
}
} else {
rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
}
rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
if (ASIC_IS_DCE3(rdev)) {
tmp = RREG32(DC_HPD1_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD1_INT_CONTROL, tmp);
} else {
tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
}
}
if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
if (ASIC_IS_DCE3(rdev)) {
tmp = RREG32(DC_HPD2_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD2_INT_CONTROL, tmp);
} else {
tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
}
}
if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
if (ASIC_IS_DCE3(rdev)) {
tmp = RREG32(DC_HPD3_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD3_INT_CONTROL, tmp);
} else {
tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
}
}
if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
tmp = RREG32(DC_HPD4_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD4_INT_CONTROL, tmp);
}
if (ASIC_IS_DCE32(rdev)) {
if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
tmp = RREG32(DC_HPD5_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
tmp = RREG32(DC_HPD5_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
}
if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
}
} else {
if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
}
if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
if (ASIC_IS_DCE3(rdev)) {
tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
} else {
tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
}
}
}
}
void r600_irq_disable(struct radeon_device *rdev)
{
r600_disable_interrupts(rdev);
/* Wait and acknowledge irq */
mdelay(1);
r600_irq_ack(rdev);
r600_disable_interrupt_state(rdev);
}
static u32 r600_get_ih_wptr(struct radeon_device *rdev)
{
u32 wptr, tmp;
if (rdev->wb.enabled)
wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
else
wptr = RREG32(IH_RB_WPTR);
if (wptr & RB_OVERFLOW) {
/* When a ring buffer overflow happen start parsing interrupt
* from the last not overwritten vector (wptr + 16). Hopefully
* this should allow us to catchup.
*/
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
tmp = RREG32(IH_RB_CNTL);
tmp |= IH_WPTR_OVERFLOW_CLEAR;
WREG32(IH_RB_CNTL, tmp);
}
return (wptr & rdev->ih.ptr_mask);
}
/* r600 IV Ring
* Each IV ring entry is 128 bits:
* [7:0] - interrupt source id
* [31:8] - reserved
* [59:32] - interrupt source data
* [127:60] - reserved
*
* The basic interrupt vector entries
* are decoded as follows:
* src_id src_data description
* 1 0 D1 Vblank
* 1 1 D1 Vline
* 5 0 D2 Vblank
* 5 1 D2 Vline
* 19 0 FP Hot plug detection A
* 19 1 FP Hot plug detection B
* 19 2 DAC A auto-detection
* 19 3 DAC B auto-detection
* 21 4 HDMI block A
* 21 5 HDMI block B
* 176 - CP_INT RB
* 177 - CP_INT IB1
* 178 - CP_INT IB2
* 181 - EOP Interrupt
* 233 - GUI Idle
*
* Note, these are based on r600 and may need to be
* adjusted or added to on newer asics
*/
#undef DRM_DEBUG
#define DRM_DEBUG(...)
int r600_irq_process(struct radeon_device *rdev)
{
u32 wptr;
u32 rptr;
u32 src_id, src_data;
u32 ring_index;
bool queue_hotplug = false;
bool queue_hdmi = false;
if (!rdev->ih.enabled || rdev->shutdown)
return IRQ_NONE;
/* No MSIs, need a dummy read to flush PCI DMAs */
if (!rdev->msi_enabled)
RREG32(IH_RB_WPTR);
wptr = r600_get_ih_wptr(rdev);
restart_ih:
/* is somebody else already processing irqs? */
if (atomic_xchg(&rdev->ih.lock, 1))
return IRQ_NONE;
rptr = rdev->ih.rptr;
DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
/* Order reading of wptr vs. reading of IH ring data */
rmb();
/* display interrupts */
r600_irq_ack(rdev);
while (rptr != wptr) {
/* wptr/rptr are in bytes! */
ring_index = rptr / 4;
src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
switch (src_id) {
case 1: /* D1 vblank/vline */
switch (src_data) {
case 0: /* D1 vblank */
if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
if (rdev->irq.crtc_vblank_int[0]) {
// drm_handle_vblank(rdev->ddev, 0);
rdev->pm.vblank_sync = true;
// wake_up(&rdev->irq.vblank_queue);
}
// if (rdev->irq.pflip[0])
// radeon_crtc_handle_flip(rdev, 0);
rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D1 vblank\n");
}
break;
case 1: /* D1 vline */
if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
DRM_DEBUG("IH: D1 vline\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 5: /* D2 vblank/vline */
switch (src_data) {
case 0: /* D2 vblank */
if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
if (rdev->irq.crtc_vblank_int[1]) {
// drm_handle_vblank(rdev->ddev, 1);
rdev->pm.vblank_sync = true;
// wake_up(&rdev->irq.vblank_queue);
}
// if (rdev->irq.pflip[1])
// radeon_crtc_handle_flip(rdev, 1);
rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D2 vblank\n");
}
break;
case 1: /* D1 vline */
if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
DRM_DEBUG("IH: D2 vline\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 19: /* HPD/DAC hotplug */
switch (src_data) {
case 0:
if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD1\n");
}
break;
case 1:
if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD2\n");
}
break;
case 4:
if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD3\n");
}
break;
case 5:
if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD4\n");
}
break;
case 10:
if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD5\n");
}
break;
case 12:
if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD6\n");
}
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 21: /* hdmi */
switch (src_data) {
case 4:
if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
queue_hdmi = true;
DRM_DEBUG("IH: HDMI0\n");
}
break;
case 5:
if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
queue_hdmi = true;
DRM_DEBUG("IH: HDMI1\n");
}
break;
default:
DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
break;
case 176: /* CP_INT in ring buffer */
case 177: /* CP_INT in IB1 */
case 178: /* CP_INT in IB2 */
DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
break;
case 181: /* CP EOP event */
DRM_DEBUG("IH: CP EOP\n");
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
break;
case 224: /* DMA trap event */
DRM_DEBUG("IH: DMA trap\n");
radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
break;
case 233: /* GUI IDLE */
DRM_DEBUG("IH: GUI idle\n");
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
}
/* wptr/rptr are in bytes! */
rptr += 16;
rptr &= rdev->ih.ptr_mask;
}
rdev->ih.rptr = rptr;
WREG32(IH_RB_RPTR, rdev->ih.rptr);
atomic_set(&rdev->ih.lock, 0);
/* make sure wptr hasn't changed while processing */
wptr = r600_get_ih_wptr(rdev);
if (wptr != rptr)
goto restart_ih;
return IRQ_HANDLED;
}
/*
* Debugfs info
*/
#if defined(CONFIG_DEBUG_FS)
static int r600_debugfs_mc_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct radeon_device *rdev = dev->dev_private;
DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
DREG32_SYS(m, rdev, VM_L2_STATUS);
return 0;
}
static struct drm_info_list r600_mc_info_list[] = {
{"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
};
#endif
int r600_debugfs_mc_info_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
#else
return 0;
#endif
}
/**
* r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
* rdev: radeon device structure
* bo: buffer object struct which userspace is waiting for idle
*
* Some R6XX/R7XX doesn't seems to take into account HDP flush performed
* through ring buffer, this leads to corruption in rendering, see
* http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
* directly perform HDP flush by writing register through MMIO.
*/
void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
{
/* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
* rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
* This seems to cause problems on some AGP cards. Just use the old
* method for them.
*/
if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
u32 tmp;
WREG32(HDP_DEBUG1, 0);
tmp = readl((void __iomem *)ptr);
} else
WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
}
void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
{
u32 link_width_cntl, mask;
if (rdev->flags & RADEON_IS_IGP)
return;
if (!(rdev->flags & RADEON_IS_PCIE))
return;
/* x2 cards have a special sequence */
if (ASIC_IS_X2(rdev))
return;
radeon_gui_idle(rdev);
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:
/* not actually supported */
mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
break;
case 16:
mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
break;
default:
DRM_ERROR("invalid pcie lane request: %d\n", lanes);
return;
}
link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK;
link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT;
link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW |
R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
}
int r600_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;
/* x2 cards have a special sequence */
if (ASIC_IS_X2(rdev))
return 0;
radeon_gui_idle(rdev);
link_width_cntl = RREG32_PCIE_PORT(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_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_X12:
/* not actually supported */
return 12;
case RADEON_PCIE_LC_LINK_WIDTH_X0:
case RADEON_PCIE_LC_LINK_WIDTH_X16:
default:
return 16;
}
}
static void r600_pcie_gen2_enable(struct radeon_device *rdev)
{
u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
u16 link_cntl2;
if (radeon_pcie_gen2 == 0)
return;
if (rdev->flags & RADEON_IS_IGP)
return;
if (!(rdev->flags & RADEON_IS_PCIE))
return;
/* x2 cards have a special sequence */
if (ASIC_IS_X2(rdev))
return;
/* only RV6xx+ chips are supported */
if (rdev->family <= CHIP_R600)
return;
if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
return;
speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
if (speed_cntl & LC_CURRENT_DATA_RATE) {
DRM_INFO("PCIE gen 2 link speeds already enabled\n");
return;
}
DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
/* 55 nm r6xx asics */
if ((rdev->family == CHIP_RV670) ||
(rdev->family == CHIP_RV620) ||
(rdev->family == CHIP_RV635)) {
/* advertise upconfig capability */
link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
link_width_cntl &= ~LC_UPCONFIGURE_DIS;
WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
LC_RECONFIG_ARC_MISSING_ESCAPE);
link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
} else {
link_width_cntl |= LC_UPCONFIGURE_DIS;
WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
}
}
speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
(speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
/* 55 nm r6xx asics */
if ((rdev->family == CHIP_RV670) ||
(rdev->family == CHIP_RV620) ||
(rdev->family == CHIP_RV635)) {
WREG32(MM_CFGREGS_CNTL, 0x8);
link_cntl2 = RREG32(0x4088);
WREG32(MM_CFGREGS_CNTL, 0);
/* not supported yet */
if (link_cntl2 & SELECTABLE_DEEMPHASIS)
return;
}
speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
tmp = RREG32(0x541c);
WREG32(0x541c, tmp | 0x8);
WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
link_cntl2 = RREG16(0x4088);
link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
link_cntl2 |= 0x2;
WREG16(0x4088, link_cntl2);
WREG32(MM_CFGREGS_CNTL, 0);
if ((rdev->family == CHIP_RV670) ||
(rdev->family == CHIP_RV620) ||
(rdev->family == CHIP_RV635)) {
training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL);
training_cntl &= ~LC_POINT_7_PLUS_EN;
WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl);
} else {
speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
}
speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
speed_cntl |= LC_GEN2_EN_STRAP;
WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
} else {
link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
if (1)
link_width_cntl |= LC_UPCONFIGURE_DIS;
else
link_width_cntl &= ~LC_UPCONFIGURE_DIS;
WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
}
}
/**
* r600_get_gpu_clock_counter - return GPU clock counter snapshot
*
* @rdev: radeon_device pointer
*
* Fetches a GPU clock counter snapshot (R6xx-cayman).
* Returns the 64 bit clock counter snapshot.
*/
uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev)
{
uint64_t clock;
mutex_lock(&rdev->gpu_clock_mutex);
WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
mutex_unlock(&rdev->gpu_clock_mutex);
return clock;
}
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