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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 */ |