linux-imx

/*

 * Generic Generic NCR5380 driver

 *

 * Copyright 1993, Drew Eckhardt

 * Visionary Computing

 * (Unix and Linux consulting and custom programming)

 * drew@colorado.edu

 * +1 (303) 440-4894

 *

 * NCR53C400 extensions (c) 1994,1995,1996, Kevin Lentin

 * K.Lentin@cs.monash.edu.au

 *

 * NCR53C400A extensions (c) 1996, Ingmar Baumgart

 * ingmar@gonzo.schwaben.de

 *

 * DTC3181E extensions (c) 1997, Ronald van Cuijlenborg

 * ronald.van.cuijlenborg@tip.nl or nutty@dds.nl

 *

 * Added ISAPNP support for DTC436 adapters,

 * Thomas Sailer, sailer@ife.ee.ethz.ch

 *

 * See Documentation/scsi/g_NCR5380.txt for more info.

 */

​

#include <asm/io.h>

#include <linux/blkdev.h>

#include <linux/module.h>

#include <scsi/scsi_host.h>

#include <linux/init.h>

#include <linux/ioport.h>

#include <linux/isa.h>

#include <linux/pnp.h>

#include <linux/interrupt.h>

​

/* Definitions for the core NCR5380 driver. */

​

#define NCR5380_read(reg) \

    ioread8(hostdata->io + hostdata->offset + (reg))

#define NCR5380_write(reg, value) \

    iowrite8(value, hostdata->io + hostdata->offset + (reg))

​

#define NCR5380_implementation_fields \

    int offset; \

    int c400_ctl_status; \

    int c400_blk_cnt; \

    int c400_host_buf; \

    int io_width; \

    int pdma_residual; \

    int board

​

#define NCR5380_dma_xfer_len            generic_NCR5380_dma_xfer_len

#define NCR5380_dma_recv_setup          generic_NCR5380_precv

#define NCR5380_dma_send_setup          generic_NCR5380_psend

#define NCR5380_dma_residual            generic_NCR5380_dma_residual

​

#define NCR5380_intr                    generic_NCR5380_intr

#define NCR5380_queue_command           generic_NCR5380_queue_command

#define NCR5380_abort                   generic_NCR5380_abort

#define NCR5380_host_reset              generic_NCR5380_host_reset

#define NCR5380_info                    generic_NCR5380_info

​

#define NCR5380_io_delay(x)             udelay(x)

​

#include "NCR5380.h"

​

#define DRV_MODULE_NAME "g_NCR5380"

​

#define NCR53C400_mem_base 0x3880

#define NCR53C400_host_buffer 0x3900

#define NCR53C400_region_size 0x3a00

​

#define BOARD_NCR5380 0

#define BOARD_NCR53C400 1

#define BOARD_NCR53C400A 2

#define BOARD_DTC3181E 3

#define BOARD_HP_C2502 4

​

#define IRQ_AUTO 254

​

#define MAX_CARDS 8

#define DMA_MAX_SIZE 32768

​

/* old-style parameters for compatibility */

static int ncr_irq = -1;

static int ncr_addr;

static int ncr_5380;

static int ncr_53c400;

static int ncr_53c400a;

static int dtc_3181e;

static int hp_c2502;

module_param_hw(ncr_irq, int, irq, 0);

module_param_hw(ncr_addr, int, ioport, 0);