Commit 1d5d0c34 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: add indirect register accessors for SMC registers 



Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent cc066715

drivers/gpu/drm/radeon/evergreen_reg.h

+4 −0
Original line number Diff line number Diff line
@@ -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

drivers/gpu/drm/radeon/radeon.h

+17 −0
Original line number Diff line number Diff line
@@ -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);