[Intel-gfx] [PATCH 05/37] drm/i915: add support for power wells

Eugeni Dodonov eugeni.dodonov at intel.com
Thu Mar 22 02:09:40 CET 2012


This defines the registers used by different power wells.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 52a06be..ddc9c87 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3850,4 +3850,17 @@
 #define   AUD_CONFIG_PIXEL_CLOCK_HDMI		(0xf << 16)
 #define   AUD_CONFIG_DISABLE_NCTS		(1 << 3)
 
+/* HSW Power Wells */
+#define HSW_PWR_WELL_CTL1		0x45400		/* BIOS */
+#define HSW_PWR_WELL_CTL2		0x45404		/* Driver */
+#define HSW_PWR_WELL_CTL3		0x45408		/* KVMR */
+#define HSW_PWR_WELL_CTL4		0x4540C		/* Debug */
+#define   HSW_PWR_WELL_ENABLE	(1<<31)
+#define   HSW_PWR_WELL_STATE	(1<<30)
+#define HSW_PWR_WELL_CTL5		0x45410
+#define   HSW_PWR_WELL_ENABLE_SINGLE_STEP	(1<<31)
+#define   HSW_PWR_WELL_PWR_GATE_OVERRIDE	(1<<20)
+#define   HSW_PWR_WELL_FORCE_ON	(1<<19)
+#define HSW_PWR_WELL_CTL6		0x45414
+
 #endif /* _I915_REG_H_ */
-- 
1.7.9.2




More information about the Intel-gfx mailing list