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Subject[tip:x86/olpc] x86, olpc: Move CS5536-related constants to cs5535.h
Commit-ID:  7a0d4fcf6d4b80b30503fd2701eeef1883e11404
Gitweb: http://git.kernel.org/tip/7a0d4fcf6d4b80b30503fd2701eeef1883e11404
Author: Daniel Drake <dsd@laptop.org>
AuthorDate: Sat, 25 Jun 2011 17:34:09 +0100
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Wed, 6 Jul 2011 14:44:23 -0700

x86, olpc: Move CS5536-related constants to cs5535.h

Move these definitions into the relevant header file.
This was requested in the review of the upcoming XO-1 suspend/resume code.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Link: http://lkml.kernel.org/r/1309019658-1712-3-git-send-email-dsd@laptop.org
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/platform/olpc/olpc-xo1.c | 26 ++++++++------------------
include/linux/cs5535.h | 21 +++++++++++++++++++++
2 files changed, 29 insertions(+), 18 deletions(-)

diff --git a/arch/x86/platform/olpc/olpc-xo1.c b/arch/x86/platform/olpc/olpc-xo1.c
index ab81fb2..a63e948 100644
--- a/arch/x86/platform/olpc/olpc-xo1.c
+++ b/arch/x86/platform/olpc/olpc-xo1.c
@@ -12,6 +12,7 @@
* (at your option) any later version.
*/

+#include <linux/cs5535.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
@@ -22,17 +23,6 @@

#define DRV_NAME "olpc-xo1"

-/* PMC registers (PMS block) */
-#define PM_SCLK 0x10
-#define PM_IN_SLPCTL 0x20
-#define PM_WKXD 0x34
-#define PM_WKD 0x30
-#define PM_SSC 0x54
-
-/* PM registers (ACPI block) */
-#define PM1_CNT 0x08
-#define PM_GPE0_STS 0x18
-
static unsigned long acpi_base;
static unsigned long pms_base;

@@ -41,17 +31,17 @@ static void xo1_power_off(void)
printk(KERN_INFO "OLPC XO-1 power off sequence...\n");

/* Enable all of these controls with 0 delay */
- outl(0x40000000, pms_base + PM_SCLK);
- outl(0x40000000, pms_base + PM_IN_SLPCTL);
- outl(0x40000000, pms_base + PM_WKXD);
- outl(0x40000000, pms_base + PM_WKD);
+ outl(0x40000000, pms_base + CS5536_PM_SCLK);
+ outl(0x40000000, pms_base + CS5536_PM_IN_SLPCTL);
+ outl(0x40000000, pms_base + CS5536_PM_WKXD);
+ outl(0x40000000, pms_base + CS5536_PM_WKD);

/* Clear status bits (possibly unnecessary) */
- outl(0x0002ffff, pms_base + PM_SSC);
- outl(0xffffffff, acpi_base + PM_GPE0_STS);
+ outl(0x0002ffff, pms_base + CS5536_PM_SSC);
+ outl(0xffffffff, acpi_base + CS5536_PM_GPE0_STS);

/* Write SLP_EN bit to start the machinery */
- outl(0x00002000, acpi_base + PM1_CNT);
+ outl(0x00002000, acpi_base + CS5536_PM1_CNT);
}

static int __devinit olpc_xo1_probe(struct platform_device *pdev)
diff --git a/include/linux/cs5535.h b/include/linux/cs5535.h
index 6fe2114..e46b8b0 100644
--- a/include/linux/cs5535.h
+++ b/include/linux/cs5535.h
@@ -49,6 +49,27 @@
#define LBAR_ACPI_SIZE 0x40
#define LBAR_PMS_SIZE 0x80

+/*
+ * PMC registers (PMS block)
+ * It is only safe to access these registers as dword accesses.
+ * See CS5536 Specification Update erratas 17 & 18
+ */
+#define CS5536_PM_SCLK 0x10
+#define CS5536_PM_IN_SLPCTL 0x20
+#define CS5536_PM_WKXD 0x34
+#define CS5536_PM_WKD 0x30
+#define CS5536_PM_SSC 0x54
+
+/*
+ * PM registers (ACPI block)
+ * It is only safe to access these registers as dword accesses.
+ * See CS5536 Specification Update erratas 17 & 18
+ */
+#define CS5536_PM1_STS 0x00
+#define CS5536_PM1_EN 0x02
+#define CS5536_PM1_CNT 0x08
+#define CS5536_PM_GPE0_STS 0x18
+
/* VSA2 magic values */
#define VSA_VRC_INDEX 0xAC1C
#define VSA_VRC_DATA 0xAC1E

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