From: Tomas Winkler <tomas.winkler@intel.com>
To: gregkh@linuxfoundation.org
Cc: arnd@arndb.de, rjw@rjwysocki.net, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, Tomas Winkler <tomas.winkler@intel.com>
Subject: [char-misc-next 02/13] mei: me: introduce power gating registers
Date: Tue, 18 Mar 2014 22:51:56 +0200 [thread overview]
Message-ID: <1395175927-10562-3-git-send-email-tomas.winkler@intel.com> (raw)
In-Reply-To: <1395175927-10562-1-git-send-email-tomas.winkler@intel.com>
LPT devices have internal power gating handled
through registers and hbm calls
Signed-off-by: Tomas Winkler <tomas.winkler@intel.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
next prev parent reply other threads:[~2014-03-18 20:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-18 20:51 [char-misc-next 00/13] mei: add runtime pm Tomas Winkler
2014-03-18 20:51 ` [char-misc-next 01/13] mei: implement power gating isolation hbm layer Tomas Winkler
2014-03-18 20:51 ` Tomas Winkler [this message]
2014-03-18 20:51 ` [char-misc-next 03/13] mei: me: add power gating isolation register write wrappers Tomas Winkler
2014-03-18 20:51 ` [char-misc-next 04/13] mei: condition PGI support on HW and HBM version Tomas Winkler
2014-03-18 20:51 ` [char-misc-next 05/13] mei: expose hardware power gating state to mei layer Tomas Winkler
2014-03-18 20:52 ` [char-misc-next 06/13] mei: me: add pg exit and entry flow commands Tomas Winkler
2014-03-18 20:52 ` [char-misc-next 07/13] mei: add function to check write queues Tomas Winkler
2014-03-18 20:52 ` [char-misc-next 08/13] mei: me: add runtime pm framework Tomas Winkler
2014-03-18 20:52 ` [char-misc-next 09/13] mei: txe: " Tomas Winkler
2014-03-18 20:52 ` [char-misc-next 10/13] mei: use runtime pm in write and read flow Tomas Winkler
2014-03-18 20:52 ` [char-misc-next 11/13] mei: me: use runtime PG pm domain for non wakeable devices Tomas Winkler
2014-03-18 20:52 ` [char-misc-next 12/13] mei: txe: " Tomas Winkler
2014-03-18 20:52 ` [char-misc-next 13/13] mei: me: bump hbm version to 1.1 to support power gating Tomas Winkler
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