sh: landisk updates.
Updates for the landisk board:
- The push_switch framework was used.
- landisk_pwb.c was divided into psw.c and gio.c.
- pata_platform was supported in USL-5P.
- irq.c was rewritten.
- io.c was replaced with generic I/O routines.
Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/landisk/irq.c b/arch/sh/boards/landisk/irq.c
index 3eba6d0..2586494 100644
--- a/arch/sh/boards/landisk/irq.c
+++ b/arch/sh/boards/landisk/irq.c
@@ -1,18 +1,16 @@
/*
* arch/sh/boards/landisk/irq.c
*
+ * I-O DATA Device, Inc. LANDISK Support
+ *
+ * Copyright (C) 2005-2007 kogiidena
+ *
* Copyright (C) 2001 Ian da Silva, Jeremy Siegel
* Based largely on io_se.c.
*
- * I/O routine for I-O Data Device, Inc. LANDISK.
- *
- * Initial version only to support LAN access; some
- * placeholder code from io_landisk.c left in with the
- * expectation of later SuperIO and PCMCIA access.
- */
-/*
- * modified by kogiidena
- * 2005.03.03
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
*/
#include <linux/init.h>
#include <linux/irq.h>
@@ -20,71 +18,27 @@
#include <linux/io.h>
#include <asm/landisk/iodata_landisk.h>
-static void enable_landisk_irq(unsigned int irq);
-static void disable_landisk_irq(unsigned int irq);
-
-/* shutdown is same as "disable" */
-#define shutdown_landisk_irq disable_landisk_irq
-
-static void ack_landisk_irq(unsigned int irq);
-static void end_landisk_irq(unsigned int irq);
-
-static unsigned int startup_landisk_irq(unsigned int irq)
-{
- enable_landisk_irq(irq);
- return 0; /* never anything pending */
-}
-
static void disable_landisk_irq(unsigned int irq)
{
- unsigned char val;
unsigned char mask = 0xff ^ (0x01 << (irq - 5));
- /* Set the priority in IPR to 0 */
- val = ctrl_inb(PA_IMASK);
- val &= mask;
- ctrl_outb(val, PA_IMASK);
+ ctrl_outb(ctrl_inb(PA_IMASK) & mask, PA_IMASK);
}
static void enable_landisk_irq(unsigned int irq)
{
- unsigned char val;
unsigned char value = (0x01 << (irq - 5));
- /* Set priority in IPR back to original value */
- val = ctrl_inb(PA_IMASK);
- val |= value;
- ctrl_outb(val, PA_IMASK);
+ ctrl_outb(ctrl_inb(PA_IMASK) | value, PA_IMASK);
}
-static void ack_landisk_irq(unsigned int irq)
-{
- disable_landisk_irq(irq);
-}
-
-static void end_landisk_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
- enable_landisk_irq(irq);
-}
-
-static struct hw_interrupt_type landisk_irq_type = {
- .typename = "LANDISK IRQ",
- .startup = startup_landisk_irq,
- .shutdown = shutdown_landisk_irq,
- .enable = enable_landisk_irq,
- .disable = disable_landisk_irq,
- .ack = ack_landisk_irq,
- .end = end_landisk_irq
+static struct irq_chip landisk_irq_chip __read_mostly = {
+ .name = "LANDISK",
+ .mask = disable_landisk_irq,
+ .unmask = enable_landisk_irq,
+ .mask_ack = disable_landisk_irq,
};
-static void make_landisk_irq(unsigned int irq)
-{
- disable_irq_nosync(irq);
- irq_desc[irq].chip = &landisk_irq_type;
- disable_landisk_irq(irq);
-}
-
/*
* Initialize IRQ setting
*/
@@ -92,6 +46,11 @@
{
int i;
- for (i = 5; i < 14; i++)
- make_landisk_irq(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(i);
+ }
+ ctrl_outb(0x00, PA_PWRINT_CLR);
}