| /* 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 */ |
