1 /* oktagon_esp.h: Defines and structures for the CyberStorm SCSI Mk II driver.
2 *
3 * Copyright (C) 1996 Jesper Skov (jskov@cs.auc.dk)
4 */
5
6 #include "NCR53C9x.h"
7
8 #ifndef OKTAGON_ESP_H
9 #define OKTAGON_ESP_H
10
11 /* The controller registers can be found in the Z2 config area at these
12 * offsets:
13 */
14 #define OKTAGON_ESP_ADDR 0x03000
15 #define OKTAGON_DMA_ADDR 0x01000
16
17
18 /* The CyberStorm II DMA interface */
19 struct oktagon_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 extern int oktagon_esp_detect(struct SHT *);
33 extern int oktagon_esp_release(struct Scsi_Host *);
34 extern const char *esp_info(struct Scsi_Host *);
35 extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
36 extern int esp_command(Scsi_Cmnd *);
37 extern int esp_abort(Scsi_Cmnd *);
38 extern int esp_reset(Scsi_Cmnd *, unsigned int);
39 extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
40 int hostno, int inout);
41
42 #define SCSI_OKTAGON_ESP { \
43 proc_name: "esp-oktagon", \
44 proc_info: &esp_proc_info, \
45 name: "BSC Oktagon SCSI", \
46 detect: oktagon_esp_detect, \
47 release: oktagon_esp_release, \
48 queuecommand: esp_queue, \
49 abort: esp_abort, \
50 reset: esp_reset, \
51 can_queue: 7, \
52 this_id: 7, \
53 sg_tablesize: SG_ALL, \
54 cmd_per_lun: 1, \
55 use_clustering: ENABLE_CLUSTERING }
56
57 #endif /* OKTAGON_ESP_H */
58
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