linux/arch/arm/mach-s3c2410/usb-simtec.c
Thomas Gleixner 52e405eaa9 [PATCH] ARM: fixup irqflags breakage after ARM genirq merge
The irgflags consolidation did conflict with the ARM to generic IRQ
conversion and was not applied for ARM. Fix it up.

Use the new IRQF_ constants and remove the SA_INTERRUPT define

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-02 17:29:22 -07:00

121 lines
2.8 KiB
C

/* linux/arch/arm/mach-s3c2410/usb-simtec.c
*
* Copyright (c) 2004,2005 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* http://www.simtec.co.uk/products/EB2410ITX/
*
* Simtec BAST and Thorcom VR1000 USB port support functions
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Modifications:
* 14-Sep-2004 BJD Created
* 18-Oct-2004 BJD Cleanups, and added code to report OC cleared
* 09-Aug-2005 BJD Renamed s3c2410_report_oc to s3c2410_usb_report_oc
* 09-Aug-2005 BJD Ports powered only if both are enabled
*/
#define DEBUG
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/device.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/arch/bast-map.h>
#include <asm/arch/bast-irq.h>
#include <asm/arch/usb-control.h>
#include <asm/arch/regs-gpio.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include "devs.h"
#include "usb-simtec.h"
/* control power and monitor over-current events on various Simtec
* designed boards.
*/
static unsigned int power_state[2];
static void
usb_simtec_powercontrol(int port, int to)
{
pr_debug("usb_simtec_powercontrol(%d,%d)\n", port, to);
power_state[port] = to;
if (power_state[0] && power_state[1])
s3c2410_gpio_setpin(S3C2410_GPB4, 0);
else
s3c2410_gpio_setpin(S3C2410_GPB4, 1);
}
static irqreturn_t
usb_simtec_ocirq(int irq, void *pw, struct pt_regs *regs)
{
struct s3c2410_hcd_info *info = (struct s3c2410_hcd_info *)pw;
if (s3c2410_gpio_getpin(S3C2410_GPG10) == 0) {
pr_debug("usb_simtec: over-current irq (oc detected)\n");
s3c2410_usb_report_oc(info, 3);
} else {
pr_debug("usb_simtec: over-current irq (oc cleared)\n");
s3c2410_usb_report_oc(info, 0);
}
return IRQ_HANDLED;
}
static void usb_simtec_enableoc(struct s3c2410_hcd_info *info, int on)
{
int ret;
if (on) {
ret = request_irq(IRQ_USBOC, usb_simtec_ocirq,
IRQF_DISABLED | IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING,
"USB Over-current", info);
if (ret != 0) {
printk(KERN_ERR "failed to request usb oc irq\n");
}
} else {
free_irq(IRQ_USBOC, info);
}
}
static struct s3c2410_hcd_info usb_simtec_info = {
.port[0] = {
.flags = S3C_HCDFLG_USED
},
.port[1] = {
.flags = S3C_HCDFLG_USED
},
.power_control = usb_simtec_powercontrol,
.enable_oc = usb_simtec_enableoc,
};
int usb_simtec_init(void)
{
printk("USB Power Control, (c) 2004 Simtec Electronics\n");
s3c_device_usb.dev.platform_data = &usb_simtec_info;
s3c2410_gpio_cfgpin(S3C2410_GPB4, S3C2410_GPB4_OUTP);
s3c2410_gpio_setpin(S3C2410_GPB4, 1);
return 0;
}