---

yaml
---
r: 69490
b: refs/heads/master
c: f3fb5a5
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 361c7ad607bc0e84ef0fef8c3f11c47b33c06e41
+refs/heads/master: f3fb5a556c99118186581e6546a9c41e1f73cf6f

trunk/arch/arm/mach-s3c2412/irq.c

@@ -38,6 +38,9 @@
 #include <asm/plat-s3c24xx/irq.h>
 #include <asm/plat-s3c24xx/pm.h>
 
+#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
+#define INTMSK_SUB(start, end) (INTMSK(start, end) << ((start - S3C2410_IRQSUB(0))))
+
 /* the s3c2412 changes the behaviour of IRQ_EINT0 through IRQ_EINT3 by
  * having them turn up in both the INT* and the EINT* registers. Whilst
  * both show the status, they both now need to be acked when the IRQs
@@ -105,6 +108,51 @@ static struct irq_chip s3c2412_irq_eint0t4 = {
 	.set_type  = s3c_irqext_type,
 };
 
+#define INTBIT(x)	(1 << ((x) - S3C2410_IRQSUB(0)))
+
+/* CF and SDI sub interrupts */
+
+static void s3c2412_irq_demux_cfsdi(unsigned int irq, struct irq_desc *desc)
+{
+	unsigned int subsrc, submsk;
+
+	subsrc = __raw_readl(S3C2410_SUBSRCPND);
+	submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+	subsrc  &= ~submsk;
+
+	if (subsrc & INTBIT(IRQ_S3C2412_SDI))
+		desc_handle_irq(IRQ_S3C2412_SDI, irq_desc + IRQ_S3C2412_SDI);
+
+	if (subsrc & INTBIT(IRQ_S3C2412_CF))
+		desc_handle_irq(IRQ_S3C2412_CF, irq_desc + IRQ_S3C2412_CF);
+}
+
+#define INTMSK_CFSDI	(1UL << (IRQ_S3C2412_CFSDI - IRQ_EINT0))
+#define SUBMSK_CFSDI	INTMSK_SUB(IRQ_S3C2412_SDI, IRQ_S3C2412_CF)
+
+static void s3c2412_irq_cfsdi_mask(unsigned int irqno)
+{
+	s3c_irqsub_mask(irqno, INTMSK_CFSDI, SUBMSK_CFSDI);
+}
+
+static void s3c2412_irq_cfsdi_unmask(unsigned int irqno)
+{
+	s3c_irqsub_unmask(irqno, INTMSK_CFSDI);
+}
+
+static void s3c2412_irq_cfsdi_ack(unsigned int irqno)
+{
+	s3c_irqsub_maskack(irqno, INTMSK_CFSDI, SUBMSK_CFSDI);
+}
+
+static struct irq_chip s3c2412_irq_cfsdi = {
+	.name		= "s3c2412-cfsdi",
+	.ack		= s3c2412_irq_cfsdi_ack,
+	.mask		= s3c2412_irq_cfsdi_mask,
+	.unmask		= s3c2412_irq_cfsdi_unmask,
+};
+
 static int s3c2412_irq_add(struct sys_device *sysdev)
 {
 	unsigned int irqno;
@@ -115,6 +163,16 @@ static int s3c2412_irq_add(struct sys_device *sysdev)
 		set_irq_flags(irqno, IRQF_VALID);
 	}
 
+	/* add demux support for CF/SDI */
+
+	set_irq_chained_handler(IRQ_S3C2412_CFSDI, s3c2412_irq_demux_cfsdi);
+
+	for (irqno = IRQ_S3C2412_SDI; irqno <= IRQ_S3C2412_CF; irqno++) {
+		set_irq_chip(irqno, &s3c2412_irq_cfsdi);
+		set_irq_handler(irqno, handle_level_irq);
+		set_irq_flags(irqno, IRQF_VALID);
+	}
+
 	return 0;
 }
 

trunk/arch/arm/mach-s3c2412/s3c2412.c

@@ -78,6 +78,11 @@ void __init s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no)
 	s3c_device_lcd.name  = "s3c2412-lcd";
 	s3c_device_nand.name = "s3c2412-nand";
 
+	/* alter IRQ of SDI controller */
+
+	s3c_device_sdi.resource[1].start = IRQ_S3C2412_SDI;
+	s3c_device_sdi.resource[1].end   = IRQ_S3C2412_SDI;
+
 	/* spi channel related changes, s3c2412/13 specific */
 	s3c_device_spi0.name = "s3c2412-spi";
 	s3c_device_spi0.resource[0].end = S3C24XX_PA_SPI + 0x24;

trunk/include/asm-arm/arch-s3c2410/irqs.h

@@ -112,6 +112,13 @@
 #define IRQ_TC			S3C2410_IRQSUB(9)
 #define IRQ_ADC			S3C2410_IRQSUB(10)
 
+/* extra irqs for s3c2412 */
+
+#define IRQ_S3C2412_CFSDI	S3C2410_IRQ(21)
+
+#define IRQ_S3C2412_SDI		S3C2410_IRQSUB(13)
+#define IRQ_S3C2412_CF		S3C2410_IRQSUB(14)
+
 /* extra irqs for s3c2440 */
 
 #define IRQ_S3C2440_CAM_C	S3C2410_IRQSUB(11)	/* S3C2443 too */