| /* fastlane.h: Defines and structures for the Fastlane SCSI driver. |
| * |
| * Copyright (C) 1996 Jesper Skov (jskov@cygnus.co.uk) |
| */ |
| |
| #include "NCR53C9x.h" |
| |
| #ifndef FASTLANE_H |
| #define FASTLANE_H |
| |
| /* The controller registers can be found in the Z2 config area at these |
| * offsets: |
| */ |
| #define FASTLANE_ESP_ADDR 0x1000001 |
| #define FASTLANE_DMA_ADDR 0x1000041 |
| |
| |
| /* The Fastlane DMA interface */ |
| struct fastlane_dma_registers { |
| volatile unsigned char cond_reg; /* DMA status (ro) [0x0000] */ |
| #define ctrl_reg cond_reg /* DMA control (wo) [0x0000] */ |
| unsigned char dmapad1[0x3f]; |
| volatile unsigned char clear_strobe; /* DMA clear (wo) [0x0040] */ |
| }; |
| |
| |
| /* DMA status bits */ |
| #define FASTLANE_DMA_MINT 0x80 |
| #define FASTLANE_DMA_IACT 0x40 |
| #define FASTLANE_DMA_CREQ 0x20 |
| |
| /* DMA control bits */ |
| #define FASTLANE_DMA_FCODE 0xa0 |
| #define FASTLANE_DMA_MASK 0xf3 |
| #define FASTLANE_DMA_LED 0x10 /* HD led control 1 = on */ |
| #define FASTLANE_DMA_WRITE 0x08 /* 1 = write */ |
| #define FASTLANE_DMA_ENABLE 0x04 /* Enable DMA */ |
| #define FASTLANE_DMA_EDI 0x02 /* Enable DMA IRQ ? */ |
| #define FASTLANE_DMA_ESI 0x01 /* Enable SCSI IRQ */ |
| |
| extern int fastlane_esp_detect(struct SHT *); |
| extern int fastlane_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_FASTLANE { proc_name: "esp-fastlane", \ |
| proc_info: esp_proc_info, \ |
| name: "Fastlane SCSI", \ |
| detect: fastlane_esp_detect, \ |
| release: fastlane_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 /* FASTLANE_H */ |
