From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexdeucher@gmail.com Subject: [PATCH 045/165] drm/radeon/cik: add pcie_port indirect register accessors Date: Wed, 26 Jun 2013 09:22:05 -0400 Message-ID: <1372253045-17042-46-git-send-email-alexdeucher@gmail.com> References: <1372253045-17042-1-git-send-email-alexdeucher@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-qa0-f43.google.com (mail-qa0-f43.google.com [209.85.216.43]) by gabe.freedesktop.org (Postfix) with ESMTP id A4D93E6351 for ; Wed, 26 Jun 2013 06:24:49 -0700 (PDT) Received: by mail-qa0-f43.google.com with SMTP id d13so1560330qak.16 for ; Wed, 26 Jun 2013 06:24:49 -0700 (PDT) In-Reply-To: <1372253045-17042-1-git-send-email-alexdeucher@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org Cc: Alex Deucher List-Id: dri-devel@lists.freedesktop.org From: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/cik.c | 21 +++++++++++++++++++++ drivers/gpu/drm/radeon/cikd.h | 3 +++ drivers/gpu/drm/radeon/radeon_asic.c | 6 +++++- drivers/gpu/drm/radeon/radeon_asic.h | 2 ++ 4 files changed, 31 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 0db0ebc..e8ea845 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -78,6 +78,27 @@ extern void si_rlc_fini(struct radeon_device *rdev); extern int si_rlc_init(struct radeon_device *rdev); static void cik_rlc_stop(struct radeon_device *rdev); +/* + * Indirect registers accessor + */ +u32 cik_pciep_rreg(struct radeon_device *rdev, u32 reg) +{ + u32 r; + + WREG32(PCIE_INDEX, reg); + (void)RREG32(PCIE_INDEX); + r = RREG32(PCIE_DATA); + return r; +} + +void cik_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) +{ + WREG32(PCIE_INDEX, reg); + (void)RREG32(PCIE_INDEX); + WREG32(PCIE_DATA, v); + (void)RREG32(PCIE_DATA); +} + /** * cik_get_xclk - get the xclk * diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h index f00e273..d23809a 100644 --- a/drivers/gpu/drm/radeon/cikd.h +++ b/drivers/gpu/drm/radeon/cikd.h @@ -35,6 +35,9 @@ #define CG_CLKPIN_CNTL 0xC05001A0 # define XTALIN_DIVIDE (1 << 1) +#define PCIE_INDEX 0x38 +#define PCIE_DATA 0x3C + #define VGA_HDP_CONTROL 0x328 #define VGA_MEMORY_DISABLE (1 << 4) diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index a2802b47..717b537 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -126,7 +126,11 @@ static void radeon_register_accessor_init(struct radeon_device *rdev) rdev->mc_rreg = &rs780_mc_rreg; rdev->mc_wreg = &rs780_mc_wreg; } - if (rdev->family >= CHIP_R600) { + + if (rdev->family >= CHIP_BONAIRE) { + rdev->pciep_rreg = &cik_pciep_rreg; + rdev->pciep_wreg = &cik_pciep_wreg; + } else if (rdev->family >= CHIP_R600) { rdev->pciep_rreg = &r600_pciep_rreg; rdev->pciep_wreg = &r600_pciep_wreg; } diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 05f75f7..8c19e36 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -558,5 +558,7 @@ int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk); */ uint64_t cik_get_gpu_clock_counter(struct radeon_device *rdev); u32 cik_get_xclk(struct radeon_device *rdev); +uint32_t cik_pciep_rreg(struct radeon_device *rdev, uint32_t reg); +void cik_pciep_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v); #endif -- 1.7.7.5