1/* cyberstormII.h: Defines and structures for the CyberStorm SCSI Mk II driver. 2 * 3 * Copyright (C) 1996 Jesper Skov (jskov@cygnus.co.uk) 4 */ 5 6#include "NCR53C9x.h" 7 8#ifndef CYBERII_ESP_H 9#define CYBERII_ESP_H 10 11/* The controller registers can be found in the Z2 config area at these 12 * offsets: 13 */ 14#define CYBERII_ESP_ADDR 0x1ff03 15#define CYBERII_DMA_ADDR 0x1ff43 16 17 18/* The CyberStorm II DMA interface */ 19struct cyberII_dma_registers { 20 volatile unsigned char cond_reg; /* DMA cond (ro) [0x000] */ 21#define ctrl_reg cond_reg /* DMA control (wo) [0x000] */ 22 unsigned char dmapad4[0x3f]; 23 volatile unsigned char dma_addr0; /* DMA address (MSB) [0x040] */ 24 unsigned char dmapad1[3]; 25 volatile unsigned char dma_addr1; /* DMA address [0x044] */ 26 unsigned char dmapad2[3]; 27 volatile unsigned char dma_addr2; /* DMA address [0x048] */ 28 unsigned char dmapad3[3]; 29 volatile unsigned char dma_addr3; /* DMA address (LSB) [0x04c] */ 30}; 31 32/* DMA control bits */ 33#define CYBERII_DMA_LED 0x02 /* HD led control 1 = on */ 34 35 36extern int cyberII_esp_detect(struct SHT *); 37extern int cyberII_esp_release(struct Scsi_Host *); 38extern const char *esp_info(struct Scsi_Host *); 39extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); 40extern int esp_command(Scsi_Cmnd *); 41extern int esp_abort(Scsi_Cmnd *); 42extern int esp_reset(Scsi_Cmnd *, unsigned int); 43extern int esp_proc_info(char *buffer, char **start, off_t offset, int length, 44 int hostno, int inout); 45 46#define SCSI_CYBERSTORMII { proc_name: "esp-cyberstormII", \ 47 proc_info: esp_proc_info, \ 48 name: "CyberStorm Mk II SCSI", \ 49 detect: cyberII_esp_detect, \ 50 release: cyberII_esp_release, \ 51 queuecommand: esp_queue, \ 52 abort: esp_abort, \ 53 reset: esp_reset, \ 54 can_queue: 7, \ 55 this_id: 7, \ 56 sg_tablesize: SG_ALL, \ 57 cmd_per_lun: 1, \ 58 use_clustering: ENABLE_CLUSTERING } 59 60#endif /* CYBERII_ESP_H */ 61