| /* AM53/79C974 (PCscsi) driver release 0.5 |
| |
| * The architecture and much of the code of this device |
| * driver was originally developed by Drew Eckhardt for |
| * the NCR5380. The following copyrights apply: |
| * For the architecture and all parts similar to the NCR5380: |
| * Copyright 1993, Drew Eckhardt |
| * Visionary Computing |
| * (Unix and Linux consulting and custom programming) |
| * drew@colorado.edu |
| * +1 (303) 666-5836 |
| * |
| * The AM53C974_nobios_detect code was originally developed by |
| * Robin Cutshaw (robin@xfree86.org) and is used here in a |
| * modified form. |
| * |
| * For the other parts: |
| * Copyright 1994, D. Frieauff |
| * EMail: fri@rsx42sun0.dofn.de |
| * Phone: x49-7545-8-2256 , x49-7541-42305 |
| */ |
| |
| /* |
| * $Log: AM53C974.h,v $ |
| */ |
| |
| #ifndef AM53C974_H |
| #define AM53C974_H |
| |
| #include <scsi/scsicam.h> |
| |
| struct AM53C974_hostdata { |
| volatile unsigned in_reset:1; /* flag, says bus reset pending */ |
| volatile unsigned aborted:1; /* flag, says aborted */ |
| volatile unsigned selecting:1; /* selection started, but not yet finished */ |
| volatile unsigned disconnecting: 1; /* disconnection started, but not yet finished */ |
| volatile unsigned dma_busy:1; /* dma busy when service request for info transfer received */ |
| volatile unsigned char msgout[10]; /* message to output in MSGOUT_PHASE */ |
| volatile unsigned char last_message[10]; /* last message OUT */ |
| volatile Scsi_Cmnd *issue_queue; /* waiting to be issued */ |
| volatile Scsi_Cmnd *disconnected_queue; /* waiting for reconnect */ |
| volatile Scsi_Cmnd *sel_cmd; /* command for selection */ |
| volatile Scsi_Cmnd *connected; /* currently connected command */ |
| volatile unsigned char busy[8]; /* index = target, bit = lun */ |
| unsigned char sync_per[8]; /* synchronous transfer period (in effect) */ |
| unsigned char sync_off[8]; /* synchronous offset (in effect) */ |
| unsigned char sync_neg[8]; /* sync. negotiation performed (in effect) */ |
| unsigned char sync_en[8]; /* sync. negotiation performed (in effect) */ |
| unsigned char max_rate[8]; /* max. transfer rate (setup) */ |
| unsigned char max_offset[8]; /* max. sync. offset (setup), only valid if corresponding sync_en is nonzero */ |
| }; |
| |
| #define AM53C974 { \ |
| proc_name: "am53c974", \ |
| name: "AM53C974", \ |
| detect: AM53C974_pci_detect, \ |
| release: AM53C974_release, \ |
| info: AM53C974_info, \ |
| command: AM53C974_command, \ |
| queuecommand: AM53C974_queue_command, \ |
| abort: AM53C974_abort, \ |
| reset: AM53C974_reset, \ |
| bios_param: scsicam_bios_param, \ |
| can_queue: 12, \ |
| this_id: -1, \ |
| sg_tablesize: SG_ALL, \ |
| cmd_per_lun: 1, \ |
| use_clustering: DISABLE_CLUSTERING \ |
| } |
| |
| static int AM53C974_pci_detect(Scsi_Host_Template * tpnt); |
| static int AM53C974_release(struct Scsi_Host *shp); |
| static const char *AM53C974_info(struct Scsi_Host *); |
| static int AM53C974_command(Scsi_Cmnd * SCpnt); |
| static int AM53C974_queue_command(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)); |
| static int AM53C974_abort(Scsi_Cmnd * cmd); |
| static int AM53C974_reset(Scsi_Cmnd * cmd, unsigned int); |
| |
| #endif /* AM53C974_H */ |
