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/* oktagon_esp.h: Defines and structures for the CyberStorm SCSI Mk II driver.
*
* Copyright (C) 1996 Jesper Skov (jskov@cs.auc.dk)
*/
#include "NCR53C9x.h"
#ifndef OKTAGON_ESP_H
#define OKTAGON_ESP_H
/* The controller registers can be found in the Z2 config area at these
* offsets:
*/
#define OKTAGON_ESP_ADDR 0x03000
#define OKTAGON_DMA_ADDR 0x01000
/* The CyberStorm II DMA interface */
struct oktagon_dma_registers {
volatile unsigned char cond_reg; /* DMA cond (ro) [0x000] */
#define ctrl_reg cond_reg /* DMA control (wo) [0x000] */
unsigned char dmapad4[0x3f];
volatile unsigned char dma_addr0; /* DMA address (MSB) [0x040] */
unsigned char dmapad1[3];
volatile unsigned char dma_addr1; /* DMA address [0x044] */
unsigned char dmapad2[3];
volatile unsigned char dma_addr2; /* DMA address [0x048] */
unsigned char dmapad3[3];
volatile unsigned char dma_addr3; /* DMA address (LSB) [0x04c] */
};
extern int oktagon_esp_detect(struct SHT *);
extern int oktagon_esp_release(struct Scsi_Host *);
extern const char *esp_info(struct Scsi_Host *);
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
extern int esp_reset(Scsi_Cmnd *, unsigned int);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);
#define SCSI_OKTAGON_ESP { \
proc_name: "esp-oktagon", \
proc_info: &esp_proc_info, \
name: "BSC Oktagon SCSI", \
detect: oktagon_esp_detect, \
release: oktagon_esp_release, \
queuecommand: esp_queue, \
abort: esp_abort, \
reset: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
cmd_per_lun: 1, \
use_clustering: ENABLE_CLUSTERING }
#endif /* OKTAGON_ESP_H */
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