sh: intc - convert board specific landisk code
This converts the board specific interrupt code for landisk to make
use of intc (use register_intc_controller).
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigarui.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/mach-landisk/irq.c b/arch/sh/boards/mach-landisk/irq.c
index e79412a..c00ace3 100644
--- a/arch/sh/boards/mach-landisk/irq.c
+++ b/arch/sh/boards/mach-landisk/irq.c
@@ -1,9 +1,10 @@
/*
- * arch/sh/boards/landisk/irq.c
+ * arch/sh/boards/mach-landisk/irq.c
*
* I-O DATA Device, Inc. LANDISK Support
*
* Copyright (C) 2005-2007 kogiidena
+ * Copyright (C) 2011 Nobuhiro Iwamatsu
*
* Copyright (C) 2001 Ian da Silva, Jeremy Siegel
* Based largely on io_se.c.
@@ -12,44 +13,54 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
+
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <mach-landisk/mach/iodata_landisk.h>
-static void disable_landisk_irq(struct irq_data *data)
-{
- unsigned char mask = 0xff ^ (0x01 << (data->irq - 5));
+enum {
+ UNUSED = 0,
- __raw_writeb(__raw_readb(PA_IMASK) & mask, PA_IMASK);
-}
-
-static void enable_landisk_irq(struct irq_data *data)
-{
- unsigned char value = (0x01 << (data->irq - 5));
-
- __raw_writeb(__raw_readb(PA_IMASK) | value, PA_IMASK);
-}
-
-static struct irq_chip landisk_irq_chip __read_mostly = {
- .name = "LANDISK",
- .irq_mask = disable_landisk_irq,
- .irq_unmask = enable_landisk_irq,
+ PCI_INTA, /* PCI int A */
+ PCI_INTB, /* PCI int B */
+ PCI_INTC, /* PCI int C */
+ PCI_INTD, /* PCI int D */
+ ATA, /* ATA */
+ FATA, /* CF */
+ POWER, /* Power swtich */
+ BUTTON, /* Button swtich */
};
+/* Vectors for LANDISK */
+static struct intc_vect vectors_landisk[] __initdata = {
+ INTC_IRQ(PCI_INTA, IRQ_PCIINTA),
+ INTC_IRQ(PCI_INTB, IRQ_PCIINTB),
+ INTC_IRQ(PCI_INTC, IRQ_PCIINTC),
+ INTC_IRQ(PCI_INTD, IRQ_PCIINTD),
+ INTC_IRQ(ATA, IRQ_ATA),
+ INTC_IRQ(FATA, IRQ_FATA),
+ INTC_IRQ(POWER, IRQ_POWER),
+ INTC_IRQ(BUTTON, IRQ_BUTTON),
+};
+
+/* IRLMSK mask register layout for LANDISK */
+static struct intc_mask_reg mask_registers_landisk[] __initdata = {
+ { PA_IMASK, 0, 8, /* IRLMSK */
+ { BUTTON, POWER, FATA, ATA,
+ PCI_INTD, PCI_INTC, PCI_INTB, PCI_INTA,
+ }
+ },
+};
+
+static DECLARE_INTC_DESC(intc_desc_landisk, "landisk", vectors_landisk, NULL,
+ mask_registers_landisk, NULL, NULL);
/*
* Initialize IRQ setting
*/
void __init init_landisk_IRQ(void)
{
- int i;
-
- for (i = 5; i < 14; i++) {
- disable_irq_nosync(i);
- set_irq_chip_and_handler_name(i, &landisk_irq_chip,
- handle_level_irq, "level");
- enable_landisk_irq(irq_get_irq_data(i));
- }
+ register_intc_controller(&intc_desc_landisk);
__raw_writeb(0x00, PA_PWRINT_CLR);
}