From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Deucher Subject: [PATCH 15/20] drm/radeon/kms: add thermal sensor support for fusion APUs Date: Mon, 22 Nov 2010 17:56:32 -0500 Message-ID: <1290466597-30596-15-git-send-email-alexdeucher@gmail.com> References: <1290466597-30596-1-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-vw0-f49.google.com (mail-vw0-f49.google.com [209.85.212.49]) by gabe.freedesktop.org (Postfix) with ESMTP id C26C3A1027 for ; Mon, 22 Nov 2010 14:57:15 -0800 (PST) Received: by mail-vw0-f49.google.com with SMTP id 1so3779545vws.36 for ; Mon, 22 Nov 2010 14:57:15 -0800 (PST) In-Reply-To: <1290466597-30596-1-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: airlied@gmail.com, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/evergreen.c | 8 ++++++++ drivers/gpu/drm/radeon/evergreend.h | 4 +++- drivers/gpu/drm/radeon/radeon.h | 2 ++ drivers/gpu/drm/radeon/radeon_pm.c | 4 ++++ 4 files changed, 17 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 7f859ff..075d6c1 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -57,6 +57,14 @@ u32 evergreen_get_temp(struct radeon_device *rdev) return actual_temp * 1000; } +u32 sumo_get_temp(struct radeon_device *rdev) +{ + u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff; + u32 actual_temp = (temp >> 1) & 0xff; + + return actual_temp * 1000; +} + void evergreen_pm_misc(struct radeon_device *rdev) { int req_ps_idx = rdev->pm.requested_power_state_index; diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 9644b1c..87fcaba 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -164,11 +164,13 @@ #define SE_SC_BUSY (1 << 29) #define SE_DB_BUSY (1 << 30) #define SE_CB_BUSY (1 << 31) - +/* evergreen */ #define CG_MULT_THERMAL_STATUS 0x740 #define ASIC_T(x) ((x) << 16) #define ASIC_T_MASK 0x7FF0000 #define ASIC_T_SHIFT 16 +/* APU */ +#define CG_THERMAL_STATUS 0x678 #define HDP_HOST_PATH_CNTL 0x2C00 #define HDP_NONSURFACE_BASE 0x2C04 diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index bf3a4fc..0507ee7 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -180,6 +180,7 @@ void rs690_pm_info(struct radeon_device *rdev); extern u32 rv6xx_get_temp(struct radeon_device *rdev); extern u32 rv770_get_temp(struct radeon_device *rdev); extern u32 evergreen_get_temp(struct radeon_device *rdev); +extern u32 sumo_get_temp(struct radeon_device *rdev); /* * Fences. @@ -687,6 +688,7 @@ enum radeon_int_thermal_type { THERMAL_TYPE_RV6XX, THERMAL_TYPE_RV770, THERMAL_TYPE_EVERGREEN, + THERMAL_TYPE_SUMO, }; struct radeon_voltage { diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 8c9b2ef..ac4efb0 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -449,6 +449,9 @@ static ssize_t radeon_hwmon_show_temp(struct device *dev, case THERMAL_TYPE_EVERGREEN: temp = evergreen_get_temp(rdev); break; + case THERMAL_TYPE_SUMO: + temp = sumo_get_temp(rdev); + break; default: temp = 0; break; @@ -487,6 +490,7 @@ static int radeon_hwmon_init(struct radeon_device *rdev) case THERMAL_TYPE_RV6XX: case THERMAL_TYPE_RV770: case THERMAL_TYPE_EVERGREEN: + case THERMAL_TYPE_SUMO: rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev); if (IS_ERR(rdev->pm.int_hwmon_dev)) { err = PTR_ERR(rdev->pm.int_hwmon_dev); -- 1.7.1.1