From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- drivers/gpu/drm/radeon/evergreen.c | 69 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) (limited to 'drivers/gpu/drm/radeon/evergreen.c') diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index feef136cd..0acde1949 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -35,6 +35,75 @@ #include "evergreen_blit_shaders.h" #include "radeon_ucode.h" +/* + * Indirect registers accessor + */ +u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&rdev->cg_idx_lock, flags); + WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff)); + r = RREG32(EVERGREEN_CG_IND_DATA); + spin_unlock_irqrestore(&rdev->cg_idx_lock, flags); + return r; +} + +void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&rdev->cg_idx_lock, flags); + WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff)); + WREG32(EVERGREEN_CG_IND_DATA, (v)); + spin_unlock_irqrestore(&rdev->cg_idx_lock, flags); +} + +u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&rdev->pif_idx_lock, flags); + WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff)); + r = RREG32(EVERGREEN_PIF_PHY0_DATA); + spin_unlock_irqrestore(&rdev->pif_idx_lock, flags); + return r; +} + +void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&rdev->pif_idx_lock, flags); + WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff)); + WREG32(EVERGREEN_PIF_PHY0_DATA, (v)); + spin_unlock_irqrestore(&rdev->pif_idx_lock, flags); +} + +u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&rdev->pif_idx_lock, flags); + WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff)); + r = RREG32(EVERGREEN_PIF_PHY1_DATA); + spin_unlock_irqrestore(&rdev->pif_idx_lock, flags); + return r; +} + +void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&rdev->pif_idx_lock, flags); + WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff)); + WREG32(EVERGREEN_PIF_PHY1_DATA, (v)); + spin_unlock_irqrestore(&rdev->pif_idx_lock, flags); +} + static const u32 crtc_offsets[6] = { EVERGREEN_CRTC0_REGISTER_OFFSET, -- cgit v1.2.3-54-g00ecf