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/*

 *      Serial Device Initialisation for LASI/ASP/WAX/DINO

 *

 *      (c) Copyright 2000 The Puffin Group Inc.

 *      (c) Copyright 2000-2001 Helge Deller <deller@gmx.de>

 *

 *      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.

 *

 */

#include <linux/config.h>

#include <linux/errno.h>

#include <linux/init.h>

#include <linux/signal.h>

#include <linux/types.h>

#include <linux/sched.h>

#include <linux/interrupt.h>

#include <linux/kernel_stat.h>

#include <linux/ioport.h>

#include <linux/timex.h>

#include <linux/module.h>

#include <linux/serial.h>

#include <linux/slab.h>

#include <asm/serial.h>

#include <asm/io.h>

#include <asm/hardware.h>

#include <asm/gsc.h>

#include "busdevice.h"

static void setup_parisc_serial(struct serial_struct *serial,

                unsigned long address, int irq, int line)

{

        memset(serial, 0, sizeof(struct serial_struct));

        /* autoconfig() sets state->type.  This sets info->type */

        serial->type = PORT_16550A;

        serial->line = line;

        serial->iomem_base = ioremap(address, 0x8);

        serial->irq = irq;

        serial->io_type = SERIAL_IO_MEM;        /* define access method */

        serial->flags = 0;

        serial->xmit_fifo_size = 16;

        serial->custom_divisor = 0;

        serial->baud_base = LASI_BASE_BAUD;

}

static int __init

serial_init_chip(struct parisc_device *dev)

{

        static int serial_line_nr;

        unsigned long address;

        struct serial_struct *serial;

        if (!dev->irq) {

                if (dev->parent->id.hw_type != HPHW_IOA) {

                        printk(KERN_INFO "Serial: device 0x%lx not configured.\n"

                                "Enable support for Wax, Lasi, Asp or Dino.\n", dev->hpa);

                }

                return -ENODEV;

        }

        serial = kmalloc(sizeof(*serial), GFP_KERNEL);

        if (!serial)

                return -ENOMEM;

        address = dev->hpa;

        if (dev->id.sversion != 0x8d) {

                address += 0x800;

        }

        setup_parisc_serial(serial, address, dev->irq, serial_line_nr++);

        if (register_serial(serial) < 0) {

                printk(KERN_WARNING "register_serial returned error\n");

                kfree(serial);

                return -ENODEV;

        }

        return 0;

}

static struct parisc_device_id serial_tbl[] = {

        { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00075 },

        { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0008c },

        { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0008d },

        { 0 }

};

/* Hack.  Dino's serial port will get listed first on some machines.

 * So we register this driver first which knows about Lasi's serial port.

 * This needs to get fixed properly somehow.

 */

static struct parisc_device_id serial1_tbl[] = {

        { HPHW_FIO, HVERSION_REV_ANY_ID, 0x03B, 0x0008C }, /* C1xx/C1xxL */

        { HPHW_FIO, HVERSION_REV_ANY_ID, 0x03C, 0x0008C }, /* B132L */

        { HPHW_FIO, HVERSION_REV_ANY_ID, 0x03D, 0x0008C }, /* B160L */

        { HPHW_FIO, HVERSION_REV_ANY_ID, 0x03E, 0x0008C }, /* B132L+ */

        { HPHW_FIO, HVERSION_REV_ANY_ID, 0x03F, 0x0008C }, /* B180L+ */

        { HPHW_FIO, HVERSION_REV_ANY_ID, 0x046, 0x0008C }, /* Rocky2 120 */

        { HPHW_FIO, HVERSION_REV_ANY_ID, 0x047, 0x0008C }, /* Rocky2 150 */

        { HPHW_FIO, HVERSION_REV_ANY_ID, 0x04E, 0x0008C }, /* Kiji L2 132 */

        { HPHW_FIO, HVERSION_REV_ANY_ID, 0x056, 0x0008C }, /* Raven+ */

        { 0 }

};

MODULE_DEVICE_TABLE(parisc, serial_tbl);

static struct parisc_driver serial1_driver = {

        name:           "Serial RS232",

        id_table:       serial1_tbl,

        probe:          serial_init_chip,

};

static struct parisc_driver serial_driver = {

        name:           "Serial RS232",

        id_table:       serial_tbl,

        probe:          serial_init_chip,

};

void __init probe_serial_gsc(void)

{

        register_parisc_driver(&serial1_driver);

        register_parisc_driver(&serial_driver);

}