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drm/radeon: add indirect register accessors for SMC registers

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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-04-20 12:39:49 -04:00
parent cc066715e6
commit 1d5d0c3497
2 changed files with 21 additions and 0 deletions
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4
drivers/gpu/drm/radeon/evergreen_reg.h
View file

@ -24,6 +24,10 @@
#ifndef __EVERGREEN_REG_H__
#define __EVERGREEN_REG_H__
/* trinity */
#define TN_SMC_IND_INDEX_0 0x200
#define TN_SMC_IND_DATA_0 0x204
/* evergreen */
#define EVERGREEN_VGA_MEMORY_BASE_ADDRESS 0x310
#define EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH 0x324

17
drivers/gpu/drm/radeon/radeon.h
View file

@ -1806,6 +1806,8 @@ void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
#define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
#define RREG32_PCIE_PORT(reg) rdev->pciep_rreg(rdev, (reg))
#define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
#define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
#define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
#define WREG32_P(reg, val, mask) \
do { \
uint32_t tmp_ = RREG32(reg); \
@ -1844,6 +1846,21 @@ static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uin
WREG32(RADEON_PCIE_DATA, (v));
}
static inline u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
{
u32 r;
WREG32(TN_SMC_IND_INDEX_0, (reg));
r = RREG32(TN_SMC_IND_DATA_0);
return r;
}
static inline void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
{
WREG32(TN_SMC_IND_INDEX_0, (reg));
WREG32(TN_SMC_IND_DATA_0, (v));
}
void r100_pll_errata_after_index(struct radeon_device *rdev);