linux-kernel - [char-misc-next 02/13] mei: me: introduce power gating registers

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Date:	Tue, 18 Mar 2014 22:51:56 +0200
From:	Tomas Winkler <tomas.winkler@...el.com>
To:	gregkh@...uxfoundation.org
Cc:	arnd@...db.de, rjw@...ysocki.net, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org, Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 02/13] mei: me: introduce power gating registers

LPT devices have internal power gating handled
through registers and hbm calls

Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
 drivers/misc/mei/hw-me-regs.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index 66f411a..72ba4d5 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -128,6 +128,8 @@
 #define ME_CB_RW   8
 /* ME_CSR_HA - ME Control Status Host Access register (read only) */
 #define ME_CSR_HA  0xC
+/* H_HGC_CSR - PGI register */
+#define H_HPG_CSR  0x10
 
 
 /* register bits of H_CSR (Host Control Status register) */
@@ -157,6 +159,8 @@ access to ME_CBD */
 #define ME_CBWP_HRA       0x00FF0000
 /* ME CB Read Pointer HRA - host read only access to ME_CBRP */
 #define ME_CBRP_HRA       0x0000FF00
+/* ME Power Gate Isolation Capability HRA  - host ready only access */
+#define ME_PGIC_HRA       0x00000040
 /* ME Reset HRA - host read only access to ME_RST */
 #define ME_RST_HRA        0x00000010
 /* ME Ready HRA - host read only access to ME_RDY */
@@ -168,4 +172,9 @@ access to ME_CBD */
 /* ME Interrupt Enable HRA - host read only access to ME_IE */
 #define ME_IE_HRA         0x00000001
 
+
+/* register bits - H_HPG_CSR */
+#define H_HPG_CSR_PGIHEXR       0x00000001
+#define H_HPG_CSR_PGI           0x00000002
+
 #endif /* _MEI_HW_MEI_REGS_H_ */
-- 
1.8.5.3

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