__raw_writel(mask, S3C2410_INTMSK);
}
-struct irqchip s3c_irq_level_chip = {
- .ack = s3c_irq_maskack,
- .mask = s3c_irq_mask,
- .unmask = s3c_irq_unmask,
- .set_wake = s3c_irq_wake
+struct irq_chip s3c_irq_level_chip = {
+ .name = "s3c-level",
+ .ack = s3c_irq_maskack,
+ .mask = s3c_irq_mask,
+ .unmask = s3c_irq_unmask,
+ .set_wake = s3c_irq_wake
};
-static struct irqchip s3c_irq_chip = {
- .ack = s3c_irq_ack,
- .mask = s3c_irq_mask,
- .unmask = s3c_irq_unmask,
- .set_wake = s3c_irq_wake
+static struct irq_chip s3c_irq_chip = {
+ .name = "s3c",
+ .ack = s3c_irq_ack,
+ .mask = s3c_irq_mask,
+ .unmask = s3c_irq_unmask,
+ .set_wake = s3c_irq_wake
};
static void
mask = __raw_readl(S3C24XX_EINTMASK);
mask |= ( 1UL << irqno);
__raw_writel(mask, S3C24XX_EINTMASK);
-
- if (irqno <= (IRQ_EINT7 - EXTINT_OFF)) {
- /* check to see if all need masking */
-
- if ((mask & (0xf << 4)) == (0xf << 4)) {
- /* all masked, mask the parent */
- s3c_irq_mask(IRQ_EINT4t7);
- }
- } else {
- /* todo: the same check as above for the rest of the irq regs...*/
-
- }
}
static void
bit = 1UL << (irqno - EXTINT_OFF);
-
mask = __raw_readl(S3C24XX_EINTMASK);
__raw_writel(bit, S3C24XX_EINTPEND);
mask = __raw_readl(S3C24XX_EINTMASK);
mask &= ~( 1UL << irqno);
__raw_writel(mask, S3C24XX_EINTMASK);
-
- s3c_irq_unmask((irqno <= (IRQ_EINT7 - EXTINT_OFF)) ? IRQ_EINT4t7 : IRQ_EINT8t23);
}
int
return 0;
}
-static struct irqchip s3c_irqext_chip = {
- .mask = s3c_irqext_mask,
- .unmask = s3c_irqext_unmask,
- .ack = s3c_irqext_ack,
- .set_type = s3c_irqext_type,
- .set_wake = s3c_irqext_wake
+static struct irq_chip s3c_irqext_chip = {
+ .name = "s3c-ext",
+ .mask = s3c_irqext_mask,
+ .unmask = s3c_irqext_unmask,
+ .ack = s3c_irqext_ack,
+ .set_type = s3c_irqext_type,
+ .set_wake = s3c_irqext_wake
};
-static struct irqchip s3c_irq_eint0t4 = {
- .ack = s3c_irq_ack,
- .mask = s3c_irq_mask,
- .unmask = s3c_irq_unmask,
- .set_wake = s3c_irq_wake,
- .set_type = s3c_irqext_type,
+static struct irq_chip s3c_irq_eint0t4 = {
+ .name = "s3c-ext0",
+ .ack = s3c_irq_ack,
+ .mask = s3c_irq_mask,
+ .unmask = s3c_irq_unmask,
+ .set_wake = s3c_irq_wake,
+ .set_type = s3c_irqext_type,
};
/* mask values for the parent registers for each of the interrupt types */
s3c_irqsub_maskack(irqno, INTMSK_UART0, 7);
}
-static struct irqchip s3c_irq_uart0 = {
- .mask = s3c_irq_uart0_mask,
- .unmask = s3c_irq_uart0_unmask,
- .ack = s3c_irq_uart0_ack,
+static struct irq_chip s3c_irq_uart0 = {
+ .name = "s3c-uart0",
+ .mask = s3c_irq_uart0_mask,
+ .unmask = s3c_irq_uart0_unmask,
+ .ack = s3c_irq_uart0_ack,
};
/* UART1 */
s3c_irqsub_maskack(irqno, INTMSK_UART1, 7 << 3);
}
-static struct irqchip s3c_irq_uart1 = {
- .mask = s3c_irq_uart1_mask,
- .unmask = s3c_irq_uart1_unmask,
- .ack = s3c_irq_uart1_ack,
+static struct irq_chip s3c_irq_uart1 = {
+ .name = "s3c-uart1",
+ .mask = s3c_irq_uart1_mask,
+ .unmask = s3c_irq_uart1_unmask,
+ .ack = s3c_irq_uart1_ack,
};
/* UART2 */
s3c_irqsub_maskack(irqno, INTMSK_UART2, 7 << 6);
}
-static struct irqchip s3c_irq_uart2 = {
- .mask = s3c_irq_uart2_mask,
- .unmask = s3c_irq_uart2_unmask,
- .ack = s3c_irq_uart2_ack,
+static struct irq_chip s3c_irq_uart2 = {
+ .name = "s3c-uart2",
+ .mask = s3c_irq_uart2_mask,
+ .unmask = s3c_irq_uart2_unmask,
+ .ack = s3c_irq_uart2_ack,
};
/* ADC and Touchscreen */
s3c_irqsub_ack(irqno, INTMSK_ADCPARENT, 3 << 9);
}
-static struct irqchip s3c_irq_adc = {
- .mask = s3c_irq_adc_mask,
- .unmask = s3c_irq_adc_unmask,
- .ack = s3c_irq_adc_ack,
+static struct irq_chip s3c_irq_adc = {
+ .name = "s3c-adc",
+ .mask = s3c_irq_adc_mask,
+ .unmask = s3c_irq_adc_unmask,
+ .ack = s3c_irq_adc_ack,
};
/* irq demux for adc */
static void s3c_irq_demux_adc(unsigned int irq,
- struct irqdesc *desc,
- struct pt_regs *regs)
+ struct irq_desc *desc)
{
unsigned int subsrc, submsk;
unsigned int offset = 9;
- struct irqdesc *mydesc;
+ struct irq_desc *mydesc;
/* read the current pending interrupts, and the mask
* for what it is available */
if (subsrc != 0) {
if (subsrc & 1) {
mydesc = irq_desc + IRQ_TC;
- desc_handle_irq(IRQ_TC, mydesc, regs);
+ desc_handle_irq(IRQ_TC, mydesc);
}
if (subsrc & 2) {
mydesc = irq_desc + IRQ_ADC;
- desc_handle_irq(IRQ_ADC, mydesc, regs);
+ desc_handle_irq(IRQ_ADC, mydesc);
}
}
}
-static void s3c_irq_demux_uart(unsigned int start,
- struct pt_regs *regs)
+static void s3c_irq_demux_uart(unsigned int start)
{
unsigned int subsrc, submsk;
unsigned int offset = start - IRQ_S3CUART_RX0;
- struct irqdesc *desc;
+ struct irq_desc *desc;
/* read the current pending interrupts, and the mask
* for what it is available */
desc = irq_desc + start;
if (subsrc & 1)
- desc_handle_irq(start, desc, regs);
+ desc_handle_irq(start, desc);
desc++;
if (subsrc & 2)
- desc_handle_irq(start+1, desc, regs);
+ desc_handle_irq(start+1, desc);
desc++;
if (subsrc & 4)
- desc_handle_irq(start+2, desc, regs);
+ desc_handle_irq(start+2, desc);
}
}
static void
s3c_irq_demux_uart0(unsigned int irq,
- struct irqdesc *desc,
- struct pt_regs *regs)
+ struct irq_desc *desc)
{
irq = irq;
- s3c_irq_demux_uart(IRQ_S3CUART_RX0, regs);
+ s3c_irq_demux_uart(IRQ_S3CUART_RX0);
}
static void
s3c_irq_demux_uart1(unsigned int irq,
- struct irqdesc *desc,
- struct pt_regs *regs)
+ struct irq_desc *desc)
{
irq = irq;
- s3c_irq_demux_uart(IRQ_S3CUART_RX1, regs);
+ s3c_irq_demux_uart(IRQ_S3CUART_RX1);
}
static void
s3c_irq_demux_uart2(unsigned int irq,
- struct irqdesc *desc,
- struct pt_regs *regs)
+ struct irq_desc *desc)
{
irq = irq;
- s3c_irq_demux_uart(IRQ_S3CUART_RX2, regs);
+ s3c_irq_demux_uart(IRQ_S3CUART_RX2);
}
static void
-s3c_irq_demux_extint(unsigned int irq,
- struct irqdesc *desc,
- struct pt_regs *regs)
+s3c_irq_demux_extint8(unsigned int irq,
+ struct irq_desc *desc)
{
unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND);
unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK);
eintpnd &= ~eintmsk;
+ eintpnd &= ~0xff; /* ignore lower irqs */
+
+ /* we may as well handle all the pending IRQs here */
+
+ while (eintpnd) {
+ irq = __ffs(eintpnd);
+ eintpnd &= ~(1<<irq);
+
+ irq += (IRQ_EINT4 - 4);
+ desc_handle_irq(irq, irq_desc + irq);
+ }
+
+}
+
+static void
+s3c_irq_demux_extint4t7(unsigned int irq,
+ struct irq_desc *desc)
+{
+ unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND);
+ unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK);
+
+ eintpnd &= ~eintmsk;
+ eintpnd &= 0xff; /* only lower irqs */
+
+ /* we may as well handle all the pending IRQs here */
+
+ while (eintpnd) {
+ irq = __ffs(eintpnd);
+ eintpnd &= ~(1<<irq);
- if (eintpnd) {
- irq = fls(eintpnd);
- irq += (IRQ_EINT4 - (4 + 1));
+ irq += (IRQ_EINT4 - 4);
- desc_handle_irq(irq, irq_desc + irq, regs);
+ desc_handle_irq(irq, irq_desc + irq);
}
}
case IRQ_UART2:
case IRQ_ADCPARENT:
set_irq_chip(irqno, &s3c_irq_level_chip);
- set_irq_handler(irqno, do_level_IRQ);
+ set_irq_handler(irqno, handle_level_irq);
break;
case IRQ_RESERVED6:
default:
//irqdbf("registering irq %d (s3c irq)\n", irqno);
set_irq_chip(irqno, &s3c_irq_chip);
- set_irq_handler(irqno, do_edge_IRQ);
+ set_irq_handler(irqno, handle_edge_irq);
set_irq_flags(irqno, IRQF_VALID);
}
}
/* setup the cascade irq handlers */
- set_irq_chained_handler(IRQ_EINT4t7, s3c_irq_demux_extint);
- set_irq_chained_handler(IRQ_EINT8t23, s3c_irq_demux_extint);
+ set_irq_chained_handler(IRQ_EINT4t7, s3c_irq_demux_extint4t7);
+ set_irq_chained_handler(IRQ_EINT8t23, s3c_irq_demux_extint8);
set_irq_chained_handler(IRQ_UART0, s3c_irq_demux_uart0);
set_irq_chained_handler(IRQ_UART1, s3c_irq_demux_uart1);
for (irqno = IRQ_EINT0; irqno <= IRQ_EINT3; irqno++) {
irqdbf("registering irq %d (ext int)\n", irqno);
set_irq_chip(irqno, &s3c_irq_eint0t4);
- set_irq_handler(irqno, do_edge_IRQ);
+ set_irq_handler(irqno, handle_edge_irq);
set_irq_flags(irqno, IRQF_VALID);
}
for (irqno = IRQ_EINT4; irqno <= IRQ_EINT23; irqno++) {
irqdbf("registering irq %d (extended s3c irq)\n", irqno);
set_irq_chip(irqno, &s3c_irqext_chip);
- set_irq_handler(irqno, do_edge_IRQ);
+ set_irq_handler(irqno, handle_edge_irq);
set_irq_flags(irqno, IRQF_VALID);
}
for (irqno = IRQ_S3CUART_RX0; irqno <= IRQ_S3CUART_ERR0; irqno++) {
irqdbf("registering irq %d (s3c uart0 irq)\n", irqno);
set_irq_chip(irqno, &s3c_irq_uart0);
- set_irq_handler(irqno, do_level_IRQ);
+ set_irq_handler(irqno, handle_level_irq);
set_irq_flags(irqno, IRQF_VALID);
}
for (irqno = IRQ_S3CUART_RX1; irqno <= IRQ_S3CUART_ERR1; irqno++) {
irqdbf("registering irq %d (s3c uart1 irq)\n", irqno);
set_irq_chip(irqno, &s3c_irq_uart1);
- set_irq_handler(irqno, do_level_IRQ);
+ set_irq_handler(irqno, handle_level_irq);
set_irq_flags(irqno, IRQF_VALID);
}
for (irqno = IRQ_S3CUART_RX2; irqno <= IRQ_S3CUART_ERR2; irqno++) {
irqdbf("registering irq %d (s3c uart2 irq)\n", irqno);
set_irq_chip(irqno, &s3c_irq_uart2);
- set_irq_handler(irqno, do_level_IRQ);
+ set_irq_handler(irqno, handle_level_irq);
set_irq_flags(irqno, IRQF_VALID);
}
for (irqno = IRQ_TC; irqno <= IRQ_ADC; irqno++) {
irqdbf("registering irq %d (s3c adc irq)\n", irqno);
set_irq_chip(irqno, &s3c_irq_adc);
- set_irq_handler(irqno, do_edge_IRQ);
+ set_irq_handler(irqno, handle_edge_irq);
set_irq_flags(irqno, IRQF_VALID);
}
projects / linux-drm-fsl-dcu.git / blobdiff