linux-kernel - [PATCH 01/18] OMAP2: Add funcs for writing SMS_ROT

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Message-Id: <1251462337-12531-2-git-send-email-tomi.valkeinen@nokia.com>
Date:	Fri, 28 Aug 2009 15:25:20 +0300
From:	Tomi Valkeinen <tomi.valkeinen@...ia.com>
To:	linux-kernel@...r.kernel.org
Cc:	Tomi Valkeinen <tomi.valkeinen@...ia.com>
Subject: [PATCH 01/18] OMAP2: Add funcs for writing SMS_ROT_* registers

SMS_ROT_* registers are used by VRFB rotation engine.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...ia.com>
Acked-by: Tony Lindgren <tony@...mide.com>
Acked-by: Paul Walmsley <paul@...an.com>
---
 arch/arm/mach-omap2/sdrc.c             |   16 ++++++++++++++++
 arch/arm/plat-omap/include/mach/sdrc.h |    9 ++++++++-
 2 files changed, 24 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-omap2/sdrc.c b/arch/arm/mach-omap2/sdrc.c
index 9e3bd4f..6a5a2c5 100644
--- a/arch/arm/mach-omap2/sdrc.c
+++ b/arch/arm/mach-omap2/sdrc.c
@@ -133,3 +133,19 @@ void __init omap2_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
 		(1 << SDRC_POWER_PAGEPOLICY_SHIFT);
 	sdrc_write_reg(l, SDRC_POWER);
 }
+
+void omap2_sms_write_rot_control(u32 val, unsigned ctx)
+{
+	sms_write_reg(val, SMS_ROT_CONTROL(ctx));
+}
+
+void omap2_sms_write_rot_size(u32 val, unsigned ctx)
+{
+	sms_write_reg(val, SMS_ROT_SIZE(ctx));
+}
+
+void omap2_sms_write_rot_physical_ba(u32 val, unsigned ctx)
+{
+	sms_write_reg(val, SMS_ROT_PHYSICAL_BA(ctx));
+}
+
diff --git a/arch/arm/plat-omap/include/mach/sdrc.h b/arch/arm/plat-omap/include/mach/sdrc.h
index 0be18e4..6438f0f 100644
--- a/arch/arm/plat-omap/include/mach/sdrc.h
+++ b/arch/arm/plat-omap/include/mach/sdrc.h
@@ -79,7 +79,10 @@
 
 /* SMS register offsets - read/write with sms_{read,write}_reg() */
 
-#define SMS_SYSCONFIG		0x010
+#define SMS_SYSCONFIG			0x010
+#define SMS_ROT_CONTROL(context)	(0x180 + 0x10 * context)
+#define SMS_ROT_SIZE(context)		(0x184 + 0x10 * context)
+#define SMS_ROT_PHYSICAL_BA(context)	(0x188 + 0x10 * context)
 /* REVISIT: fill in other SMS registers here */
 
 
@@ -112,6 +115,10 @@ int omap2_sdrc_get_params(unsigned long r,
 			  struct omap_sdrc_params **sdrc_cs0,
 			  struct omap_sdrc_params **sdrc_cs1);
 
+void omap2_sms_write_rot_control(u32 val, unsigned ctx);
+void omap2_sms_write_rot_size(u32 val, unsigned ctx);
+void omap2_sms_write_rot_physical_ba(u32 val, unsigned ctx);
+
 #ifdef CONFIG_ARCH_OMAP2
 
 struct memory_timings {
-- 
1.6.4

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