[PATCHv7,5/9] TEMP: power: omap-prm: added prcm events

Commit Message

Tero Kristo Sept. 8, 2011, 3:22 p.m. UTC

Added wakeup and io event definitions for the PRCM interrupt handler.
This should eventually be generated from PRM hwmod data.

Signed-off-by: Tero Kristo <[e-mail]>
---
 drivers/power/omap_prm.c |   34 +++++++++++++++++++++++++++++++---
 1 files changed, 31 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/power/omap_prm.c b/drivers/power/omap_prm.c
index 745a4bc..ce0a872 100644
--- a/drivers/power/omap_prm.c
+++ b/drivers/power/omap_prm.c
@@ -50,6 +50,26 @@  static struct omap_prm_device prm_dev = {
 	},
 };
 
+struct omap_prcm_irq {
+	const char *name;
+	unsigned int offset;
+	const struct omap_chip_id omap_chip;
+};
+
+#define OMAP_PRCM_IRQ(_name, _offset, _chip) {	\
+	.name = _name,				\
+	.offset = _offset,			\
+	.omap_chip = OMAP_CHIP_INIT(_chip)	\
+	}
+
+static struct omap_prcm_irq omap_prcm_irqs[] = {
+	OMAP_PRCM_IRQ("wkup",		0,
+			CHIP_IS_OMAP3430 | CHIP_GE_OMAP3630ES1_1),
+	OMAP_PRCM_IRQ("io",		9,
+			CHIP_IS_OMAP3430 | CHIP_GE_OMAP3630ES1_1 |
+			CHIP_IS_OMAP4430),
+};
+
 static void prm_pending_events(unsigned long *events)
 {
 	u32 ena, st;
@@ -167,10 +187,18 @@  static int __init omap_prcm_irq_init(void)
 	int i;
 	struct irq_chip_generic *gc;
 	struct irq_chip_type *ct;
+	u32 mask[OMAP_PRCM_MAX_NR_PENDING_REG];
 	int offset;
-	int max_irq = 64;
+	int max_irq = 0;
 
-	/* XXX: supported irqs should be setup here */
+	memset(mask, 0, sizeof(mask));
+	for (i = 0; i < ARRAY_SIZE(omap_prcm_irqs); i++)
+		if (omap_chip_is(omap_prcm_irqs[i].omap_chip)) {
+			offset = omap_prcm_irqs[i].offset;
+			mask[offset >> 5] |= 1 << (offset & 0x1f);
+			if (offset > max_irq)
+				max_irq = offset;
+		}
 
 	irq_set_chained_handler(prm_dev.irq_setup.irq, prcm_irq_handler);
 
@@ -207,7 +235,7 @@  static int __init omap_prcm_irq_init(void)
 		ct->regs.ack = prm_dev.irq_setup.ack + (i << 2);
 		ct->regs.mask = prm_dev.irq_setup.mask + (i << 2);
 
-		irq_setup_generic_chip(gc, 0xffffffff, 0, IRQ_NOREQUEST, 0);
+		irq_setup_generic_chip(gc, mask[i], 0, IRQ_NOREQUEST, 0);
 		prm_dev.irq_chips[i] = gc;
 	}