diff options
Diffstat (limited to 'drivers/scsi/arm/ecoscsi.c')
| -rw-r--r-- | drivers/scsi/arm/ecoscsi.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/drivers/scsi/arm/ecoscsi.c b/drivers/scsi/arm/ecoscsi.c deleted file mode 100644 index 378e7af0c5d6..000000000000 --- a/drivers/scsi/arm/ecoscsi.c +++ /dev/null @@ -1,236 +0,0 @@ -#define AUTOSENSE -/* #define PSEUDO_DMA */ - -/* - * EcoSCSI Generic NCR5380 driver - * - * Copyright 1995, Russell King - * - * ALPHA RELEASE 1. - * - * For more information, please consult - * - * NCR 5380 Family - * SCSI Protocol Controller - * Databook - * - * NCR Microelectronics - * 1635 Aeroplaza Drive - * Colorado Springs, CO 80916 - * 1+ (719) 578-3400 - * 1+ (800) 334-5454 - */ - -#include <linux/module.h> -#include <linux/signal.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/blkdev.h> - -#include <asm/io.h> -#include <asm/system.h> - -#include "../scsi.h" -#include <scsi/scsi_host.h> - -#define NCR5380_implementation_fields int port, ctrl -#define NCR5380_local_declare() struct Scsi_Host *_instance -#define NCR5380_setup(instance) _instance = instance - -#define NCR5380_read(reg) ecoscsi_read(_instance, reg) -#define NCR5380_write(reg, value) ecoscsi_write(_instance, reg, value) - -#define NCR5380_intr ecoscsi_intr -#define NCR5380_queue_command ecoscsi_queue_command -#define NCR5380_proc_info ecoscsi_proc_info - -#include "../NCR5380.h" - -#define ECOSCSI_PUBLIC_RELEASE 1 - -static char ecoscsi_read(struct Scsi_Host *instance, int reg) -{ - int iobase = instance->io_port; - outb(reg | 8, iobase); - return inb(iobase + 1); -} - -static void ecoscsi_write(struct Scsi_Host *instance, int reg, int value) -{ - int iobase = instance->io_port; - outb(reg | 8, iobase); - outb(value, iobase + 1); -} - -/* - * Function : ecoscsi_setup(char *str, int *ints) - * - * Purpose : LILO command line initialization of the overrides array, - * - * Inputs : str - unused, ints - array of integer parameters with ints[0] - * equal to the number of ints. - * - */ - -void ecoscsi_setup(char *str, int *ints) -{ -} - -const char * ecoscsi_info (struct Scsi_Host *spnt) -{ - return ""; -} - -#if 0 -#define STAT(p) inw(p + 144) - -static inline int NCR5380_pwrite(struct Scsi_Host *host, unsigned char *addr, - int len) -{ - int iobase = host->io_port; -printk("writing %p len %d\n",addr, len); - if(!len) return -1; - - while(1) - { - int status; - while(((status = STAT(iobase)) & 0x100)==0); - } -} - -static inline int NCR5380_pread(struct Scsi_Host *host, unsigned char *addr, - int len) -{ - int iobase = host->io_port; - int iobase2= host->io_port + 0x100; - unsigned char *start = addr; - int s; -printk("reading %p len %d\n",addr, len); - outb(inb(iobase + 128), iobase + 135); - while(len > 0) - { - int status,b,i, timeout; - timeout = 0x07FFFFFF; - while(((status = STAT(iobase)) & 0x100)==0) - { - timeout--; - if(status & 0x200 || !timeout) - { - printk("status = %p\n",status); - outb(0, iobase + 135); - return 1; - } - } - if(len >= 128) - { - for(i=0; i<64; i++) - { - b = inw(iobase + 136); - *addr++ = b; - *addr++ = b>>8; - } - len -= 128; - } - else - { - b = inw(iobase + 136); - *addr ++ = b; - len -= 1; - if(len) - *addr ++ = b>>8; - len -= 1; - } - } - outb(0, iobase + 135); - printk("first bytes = %02X %02X %02X %20X %02X %02X %02X\n",*start, start[1], start[2], start[3], start[4], start[5], start[6]); - return 1; -} -#endif -#undef STAT - -#define BOARD_NORMAL 0 -#define BOARD_NCR53C400 1 - -#include "../NCR5380.c" - -static struct scsi_host_template ecoscsi_template = { - .module = THIS_MODULE, - .name = "Serial Port EcoSCSI NCR5380", - .proc_name = "ecoscsi", - .info = ecoscsi_info, - .queuecommand = ecoscsi_queue_command, - .eh_abort_handler = NCR5380_abort, - .eh_bus_reset_handler = NCR5380_bus_reset, - .can_queue = 16, - .this_id = 7, - .sg_tablesize = SG_ALL, - .cmd_per_lun = 2, - .use_clustering = DISABLE_CLUSTERING -}; - -static struct Scsi_Host *host; - -static int __init ecoscsi_init(void) -{ - - host = scsi_host_alloc(tpnt, sizeof(struct NCR5380_hostdata)); - if (!host) - return 0; - - host->io_port = 0x80ce8000; - host->n_io_port = 144; - host->irq = IRQ_NONE; - - if (!(request_region(host->io_port, host->n_io_port, "ecoscsi")) ) - goto unregister_scsi; - - ecoscsi_write(host, MODE_REG, 0x20); /* Is it really SCSI? */ - if (ecoscsi_read(host, MODE_REG) != 0x20) /* Write to a reg. */ - goto release_reg; - - ecoscsi_write(host, MODE_REG, 0x00 ); /* it back. */ - if (ecoscsi_read(host, MODE_REG) != 0x00) - goto release_reg; - - NCR5380_init(host, 0); - - printk("scsi%d: at port 0x%08lx irqs disabled", host->host_no, host->io_port); - printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d", - host->can_queue, host->cmd_per_lun, ECOSCSI_PUBLIC_RELEASE); - printk("\nscsi%d:", host->host_no); - NCR5380_print_options(host); - printk("\n"); - - scsi_add_host(host, NULL); /* XXX handle failure */ - scsi_scan_host(host); - return 0; - -release_reg: - release_region(host->io_port, host->n_io_port); -unregister_scsi: - scsi_host_put(host); - return -ENODEV; -} - -static void __exit ecoscsi_exit(void) -{ - scsi_remove_host(host); - - if (shpnt->irq != IRQ_NONE) - free_irq(shpnt->irq, NULL); - NCR5380_exit(host); - if (shpnt->io_port) - release_region(shpnt->io_port, shpnt->n_io_port); - - scsi_host_put(host); - return 0; -} - -module_init(ecoscsi_init); -module_exit(ecoscsi_exit); - -MODULE_AUTHOR("Russell King"); -MODULE_DESCRIPTION("Econet-SCSI driver for Acorn machines"); -MODULE_LICENSE("GPL"); - |