OMAP: McBSP: Wakeups utilized
This patch enables the smart idle mode while
McBPS is being utilized. Once it's done,
force idle mode is taken instead. Apart of it,
it also configures what signals will wake mcbsp up.
Signed-off-by: Eero Nurkkala <ext-eero.nurkkala@nokia.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index bd5b759..333061d 100644
--- a/arch/arm/plat-omap/include/mach/mcbsp.h
+++ b/arch/arm/plat-omap/include/mach/mcbsp.h
@@ -138,6 +138,7 @@
#define OMAP_MCBSP_REG_THRSH1 0x94
#define OMAP_MCBSP_REG_IRQST 0xA0
#define OMAP_MCBSP_REG_IRQEN 0xA4
+#define OMAP_MCBSP_REG_WAKEUPEN 0xA8
#define OMAP_MCBSP_REG_XCCR 0xAC
#define OMAP_MCBSP_REG_RCCR 0xB0
@@ -253,6 +254,8 @@
#define RDISABLE 0x0001
/********************** McBSP SYSCONFIG bit definitions ********************/
+#define SIDLEMODE(value) ((value)<<3)
+#define ENAWAKEUP 0x0004
#define SOFTRST 0x0002
/********************** McBSP DMA operating modes **************************/
@@ -260,6 +263,20 @@
#define MCBSP_DMA_MODE_THRESHOLD 1
#define MCBSP_DMA_MODE_FRAME 2
+/********************** McBSP WAKEUPEN bit definitions *********************/
+#define XEMPTYEOFEN 0x4000
+#define XRDYEN 0x0400
+#define XEOFEN 0x0200
+#define XFSXEN 0x0100
+#define XSYNCERREN 0x0080
+#define RRDYEN 0x0008
+#define REOFEN 0x0004
+#define RFSREN 0x0002
+#define RSYNCERREN 0x0001
+#define WAKEUPEN_ALL (XEMPTYEOFEN | XRDYEN | XEOFEN | XFSXEN | \
+ XSYNCERREN | RRDYEN | REOFEN | RFSREN | \
+ RSYNCERREN)
+
/* we don't do multichannel for now */
struct omap_mcbsp_reg_cfg {
u16 spcr2;