1/* cyberstormII.h: Defines and structures for the CyberStorm SCSI Mk II driver.
2 *
3 * Copyright (C) 1996 Jesper Skov (jskov@cygnus.co.uk)
4 */
5
6#include "NCR53C9x.h"
7
8#ifndef CYBERII_ESP_H
9#define CYBERII_ESP_H
10
11/* The controller registers can be found in the Z2 config area at these
12 * offsets:
13 */
14#define CYBERII_ESP_ADDR 0x1ff03
15#define CYBERII_DMA_ADDR 0x1ff43
16
17
18/* The CyberStorm II DMA interface */
19struct cyberII_dma_registers {
20	volatile unsigned char cond_reg;        /* DMA cond    (ro)  [0x000] */
21#define ctrl_reg  cond_reg			/* DMA control (wo)  [0x000] */
22	unsigned char dmapad4[0x3f];
23	volatile unsigned char dma_addr0;	/* DMA address (MSB) [0x040] */
24	unsigned char dmapad1[3];
25	volatile unsigned char dma_addr1;	/* DMA address       [0x044] */
26	unsigned char dmapad2[3];
27	volatile unsigned char dma_addr2;	/* DMA address       [0x048] */
28	unsigned char dmapad3[3];
29	volatile unsigned char dma_addr3;	/* DMA address (LSB) [0x04c] */
30};
31
32/* DMA control bits */
33#define CYBERII_DMA_LED    0x02	/* HD led control 1 = on */
34
35
36extern int cyberII_esp_detect(struct SHT *);
37extern int cyberII_esp_release(struct Scsi_Host *);
38extern const char *esp_info(struct Scsi_Host *);
39extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
40extern int esp_command(Scsi_Cmnd *);
41extern int esp_abort(Scsi_Cmnd *);
42extern int esp_reset(Scsi_Cmnd *, unsigned int);
43extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
44			 int hostno, int inout);
45
46#define SCSI_CYBERSTORMII { proc_name:		"esp-cyberstormII", \
47			    proc_info:		esp_proc_info, \
48			    name:		"CyberStorm Mk II SCSI", \
49			    detect:		cyberII_esp_detect, \
50			    release:		cyberII_esp_release, \
51			    queuecommand:	esp_queue, \
52			    abort:		esp_abort, \
53			    reset:		esp_reset, \
54			    can_queue:          7, \
55			    this_id:		7, \
56			    sg_tablesize:	SG_ALL, \
57			    cmd_per_lun:	1, \
58			    use_clustering:	ENABLE_CLUSTERING }
59
60#endif /* CYBERII_ESP_H */
61