linux-imx

/*

 *  ASP Device Driver

 *

 *  (c) Copyright 2000 The Puffin Group Inc.

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *      the Free Software Foundation; either version 2 of the License, or

 *      (at your option) any later version.

 *

 *  by Helge Deller <deller@gmx.de>

 */

​

#include <linux/errno.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/module.h>

#include <linux/types.h>

#include <asm/io.h>

#include <asm/led.h>

​

#include "gsc.h"

​

#define ASP_GSC_IRQ 3       /* hardcoded interrupt for GSC */

​

#define ASP_VER_OFFSET  0x20        /* offset of ASP version */

​

#define ASP_LED_ADDR    0xf0800020

​

#define VIPER_INT_WORD  0xFFFBF088      /* addr of viper interrupt word */

​

static struct gsc_asic asp;

​

static void asp_choose_irq(struct parisc_device *dev, void *ctrl)

{

    int irq;

​

    switch (dev->id.sversion) {

    case 0x71:  irq =  9; break; /* SCSI */

    case 0x72:  irq =  8; break; /* LAN */

    case 0x73:  irq =  1; break; /* HIL */

    case 0x74:  irq =  7; break; /* Centronics */

    case 0x75:  irq = (dev->hw_path == 4) ? 5 : 6; break; /* RS232 */

    case 0x76:  irq = 10; break; /* EISA BA */

    case 0x77:  irq = 11; break; /* Graphics1 */

    case 0x7a:  irq = 13; break; /* Audio (Bushmaster) */

    case 0x7b:  irq = 13; break; /* Audio (Scorpio) */

    case 0x7c:  irq =  3; break; /* FW SCSI */

    case 0x7d:  irq =  4; break; /* FDDI */

    case 0x7f:  irq = 13; break; /* Audio (Outfield) */

    default:    return;      /* Unknown */

    }

​

    gsc_asic_assign_irq(ctrl, irq, &dev->irq);

​

    switch (dev->id.sversion) {

    case 0x73:  irq =  2; break; /* i8042 High-priority */

    case 0x76:  irq =  0; break; /* EISA BA */

    default:    return;      /* Other */

    }

​

    gsc_asic_assign_irq(ctrl, irq, &dev->aux_irq);

}