scsi/arm/fas216.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
5  *  Copyright (C) 1997-2000 Russell King
19 /* transfer count low */
23 /* transfer count medium */
59 #define STAT_TRANSFERDONE	(1 << 3)			/* Transfer completed	*/
60 #define STAT_TRANSFERCNTZ	(1 << 4)			/* Transfer counter is zero */
82 #define INST_FUNCDONE		(1 << 3)			/* Function done	*/
101 /* Transfer period step (write) */
123 #define CLKF_F37MHZ		0x00				/* 35.01 - 40 MHz		*/
125 #define CLKF_F12MHZ		0x03				/* 10.01 - 15 MHz		*/
126 #define CLKF_F17MHZ		0x04				/* 15.01 - 20 MHz		*/
127 #define CLKF_F22MHZ		0x05				/* 20.01 - 25 MHz		*/
128 #define CLKF_F27MHZ		0x06				/* 25.01 - 30 MHz		*/
129 #define CLKF_F32MHZ		0x07				/* 30.01 - 35 MHz		*/
152 #define CNTL3_LBTM		(1 << 2)			/* Last Byte Transfer mode	*/
159 /* High transfer count (read/write) */
220 	struct scsi_cmnd	*pending_SCpnt[8];	/* per-device pending commands		*/
245 		unsigned int	async_stp;		/* Async transfer STP value		*/
272 		unsigned char	wide_max_size;		/* Maximum wide transfer size		*/
274 		unsigned int	asyncperiod;		/* Async transfer period (ns)		*/
285 	/* per-device info */
291 		unsigned char	stp;			/* synchronous transfer period		*/
293 		unsigned char	wide_xfer;		/* currently negociated wide transfer	*/
294 		neg_t		sync_state;		/* synchronous transfer mode		*/
295 		neg_t		wide_state;		/* wide transfer mode			*/
301 		fasdmatype_t	transfer_type;		/* current type of DMA transfer		*/
303 …		(*pseudo)(struct Scsi_Host *host, struct scsi_pointer *SCp, fasdmadir_t direction, int transfer);
313 /* driver-private data per SCSI command. */
327 /* Function: int fas216_init (struct Scsi_Host *instance)
329  * Params  : instance - a driver-specific filled-out structure
334 /* Function: int fas216_add (struct Scsi_Host *instance, struct device *dev)
336  * Params  : instance - a driver-specific filled-out structure
341 /* Function: int fas216_queue_command(struct Scsi_Host *h, struct scsi_cmnd *SCpnt)
343  * Params  : h - host adapter
344  *	   : SCpnt - Command to queue
345  * Returns : 0 - success, else error
349 /* Function: int fas216_noqueue_command(struct Scsi_Host *h, struct scsi_cmnd *SCpnt)
351  * Params  : h - host adapter
352  *	   : SCpnt - Command to queue
353  * Returns : 0 - success, else error
357 /* Function: irqreturn_t fas216_intr (FAS216_Info *info)
359  * Params  : info - interface to service
365 /* Function: void fas216_release (struct Scsi_Host *instance)
367  * Params  : instance - a driver-specific filled-out structure
376 /* Function: int fas216_eh_abort(struct scsi_cmnd *SCpnt)
378  * Params  : SCpnt - command to abort
383 /* Function: int fas216_eh_device_reset(struct scsi_cmnd *SCpnt)
385  * Params  : SCpnt - command specifing device to reset
390 /* Function: int fas216_eh_bus_reset(struct scsi_cmnd *SCpnt)
392  * Params  : SCpnt - command specifing bus to reset
397 /* Function: int fas216_eh_host_reset(struct scsi_cmnd *SCpnt)
399  * Params  : SCpnt - command specifing host to reset