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Commit f0301673 authored by Heiko Stuebner's avatar Heiko Stuebner Committed by Kukjin Kim
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ARM: S3C24XX: transform s3c2440 irqs into new structure 

As always a mapping structure is everything needed.
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 70644ade
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Showing with 61 additions and 135 deletions
arch/arm/mach-s3c24xx/irq.c
View file @ f0301673
......@@ -729,150 +729,78 @@ void __init s3c2416_init_irq(void)
#endif
#ifdef CONFIG_CPU_S3C244X
/* camera irq */
static void s3c_irq_demux_cam(unsigned int irq,
struct irq_desc *desc)
{
unsigned int subsrc, submsk;
/* read the current pending interrupts, and the mask
* for what it is available */
subsrc = __raw_readl(S3C2410_SUBSRCPND);
submsk = __raw_readl(S3C2410_INTSUBMSK);
subsrc &= ~submsk;
subsrc >>= 11;
subsrc &= 3;
if (subsrc != 0) {
if (subsrc & 1) {
generic_handle_irq(IRQ_S3C2440_CAM_C);
}
if (subsrc & 2) {
generic_handle_irq(IRQ_S3C2440_CAM_P);
}
}
}
#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0))
static void
s3c_irq_cam_mask(struct irq_data *data)
{
s3c_irqsub_mask(data->irq, INTMSK_CAM, 3 << 11);
}
static void
s3c_irq_cam_unmask(struct irq_data *data)
{
s3c_irqsub_unmask(data->irq, INTMSK_CAM);
}
static void
s3c_irq_cam_ack(struct irq_data *data)
{
s3c_irqsub_maskack(data->irq, INTMSK_CAM, 3 << 11);
}
static struct irq_chip s3c_irq_cam = {
.irq_mask = s3c_irq_cam_mask,
.irq_unmask = s3c_irq_cam_unmask,
.irq_ack = s3c_irq_cam_ack,
};
#ifdef CONFIG_CPU_S3C2440
/* WDT/AC97 */
static void s3c_irq_demux_wdtac97(unsigned int irq,
struct irq_desc *desc)
{
unsigned int subsrc, submsk;
/* read the current pending interrupts, and the mask
* for what it is available */
subsrc = __raw_readl(S3C2410_SUBSRCPND);
submsk = __raw_readl(S3C2410_INTSUBMSK);
subsrc &= ~submsk;
subsrc >>= 13;
subsrc &= 3;
if (subsrc != 0) {
if (subsrc & 1) {
generic_handle_irq(IRQ_S3C2440_WDT);
}
if (subsrc & 2) {
generic_handle_irq(IRQ_S3C2440_AC97);
}
}
}
#define INTMSK_WDT (1UL << (IRQ_WDT - IRQ_EINT0))
static void
s3c_irq_wdtac97_mask(struct irq_data *data)
{
s3c_irqsub_mask(data->irq, INTMSK_WDT, 3 << 13);
}
static void
s3c_irq_wdtac97_unmask(struct irq_data *data)
{
s3c_irqsub_unmask(data->irq, INTMSK_WDT);
}
static void
s3c_irq_wdtac97_ack(struct irq_data *data)
{
s3c_irqsub_maskack(data->irq, INTMSK_WDT, 3 << 13);
}
static struct s3c_irq_data init_s3c2440base[32] = {
{ .type = S3C_IRQTYPE_EINT, }, /* EINT0 */
{ .type = S3C_IRQTYPE_EINT, }, /* EINT1 */
{ .type = S3C_IRQTYPE_EINT, }, /* EINT2 */
{ .type = S3C_IRQTYPE_EINT, }, /* EINT3 */
{ .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */
{ .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */
{ .type = S3C_IRQTYPE_LEVEL, }, /* CAM */
{ .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */
{ .type = S3C_IRQTYPE_EDGE, }, /* TICK */
{ .type = S3C_IRQTYPE_LEVEL, }, /* WDT/AC97 */
{ .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */
{ .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */
{ .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */
{ .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */
{ .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */
{ .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */
{ .type = S3C_IRQTYPE_EDGE, }, /* LCD */
{ .type = S3C_IRQTYPE_EDGE, }, /* DMA0 */
{ .type = S3C_IRQTYPE_EDGE, }, /* DMA1 */
{ .type = S3C_IRQTYPE_EDGE, }, /* DMA2 */
{ .type = S3C_IRQTYPE_EDGE, }, /* DMA3 */
{ .type = S3C_IRQTYPE_EDGE, }, /* SDI */
{ .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */
{ .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */
{ .type = S3C_IRQTYPE_LEVEL, }, /* NFCON */
{ .type = S3C_IRQTYPE_EDGE, }, /* USBD */
{ .type = S3C_IRQTYPE_EDGE, }, /* USBH */
{ .type = S3C_IRQTYPE_EDGE, }, /* IIC */
{ .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */
{ .type = S3C_IRQTYPE_EDGE, }, /* SPI1 */
{ .type = S3C_IRQTYPE_EDGE, }, /* RTC */
{ .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */
};
static struct irq_chip s3c_irq_wdtac97 = {
.irq_mask = s3c_irq_wdtac97_mask,
.irq_unmask = s3c_irq_wdtac97_unmask,
.irq_ack = s3c_irq_wdtac97_ack,
static struct s3c_irq_data init_s3c2440subint[32] = {
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */
{ .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */
{ .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* TC */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* ADC */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* WDT */
{ .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* AC97 */
};
void __init s3c2440_init_irq(void)
{
unsigned int irqno;
printk("S3C2440: IRQ Support\n");
s3c24xx_init_irq();
irq_set_chip_and_handler(IRQ_NFCON, &s3c_irq_level_chip,
handle_level_irq);
set_irq_flags(IRQ_NFCON, IRQF_VALID);
struct s3c_irq_intc *main_intc;
/* add chained handler for camera */
pr_info("S3C2440: IRQ Support\n");
irq_set_chip_and_handler(IRQ_CAM, &s3c_irq_level_chip,
handle_level_irq);
irq_set_chained_handler(IRQ_CAM, s3c_irq_demux_cam);
#ifdef CONFIG_FIQ
init_FIQ(FIQ_START);
#endif
for (irqno = IRQ_S3C2440_CAM_C; irqno <= IRQ_S3C2440_CAM_P; irqno++) {
irq_set_chip_and_handler(irqno, &s3c_irq_cam,
handle_level_irq);
set_irq_flags(irqno, IRQF_VALID);
main_intc = s3c24xx_init_intc(NULL, &init_s3c2440base[0], NULL, 0x4a000000);
if (IS_ERR(main_intc)) {
pr_err("irq: could not create main interrupt controller\n");
return;
}
/* add new chained handler for wdt, ac7 */
irq_set_chip_and_handler(IRQ_WDT, &s3c_irq_level_chip,
handle_level_irq);
irq_set_chained_handler(IRQ_WDT, s3c_irq_demux_wdtac97);
for (irqno = IRQ_S3C2440_WDT; irqno <= IRQ_S3C2440_AC97; irqno++) {
irq_set_chip_and_handler(irqno, &s3c_irq_wdtac97,
handle_level_irq);
set_irq_flags(irqno, IRQF_VALID);
}
s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4);
s3c24xx_init_intc(NULL, &init_s3c2440subint[0], main_intc, 0x4a000018);
}
#endif
......@@ -949,8 +877,6 @@ void __init s3c2442_init_irq(void)
}
#endif
#endif
#ifdef CONFIG_CPU_S3C2443
static struct s3c_irq_data init_s3c2443base[32] = {
{ .type = S3C_IRQTYPE_EINT, }, /* EINT0 */
......
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