patch-2.1.101 linux/drivers/scsi/cyberstorm.h

• Lines: 83
• Date: Fri May 8 00:22:12 1998
• Orig file: v2.1.100/linux/drivers/scsi/cyberstorm.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.100/linux/drivers/scsi/cyberstorm.h linux/drivers/scsi/cyberstorm.h
@@ -0,0 +1,82 @@
+/* cyberstorm.h: Defines and structures for the CyberStorm SCSI driver.
+ *
+ * Copyright (C) 1996 Jesper Skov (jskov@cygnus.co.uk)
+ */
+
+#include "NCR53C9x.h"
+
+#ifndef CYBER_ESP_H
+#define CYBER_ESP_H
+
+/* The controller registers can be found in the Z2 config area at these
+ * offsets:
+ */
+#define CYBER_ESP_ADDR 0xf400
+#define CYBER_DMA_ADDR 0xf800
+
+
+/* The CyberStorm DMA interface */
+struct cyber_dma_registers {
+	volatile unsigned char dma_addr0;	/* DMA address (MSB) [0x000] */
+	unsigned char dmapad1[1];
+	volatile unsigned char dma_addr1;	/* DMA address       [0x002] */
+	unsigned char dmapad2[1];
+	volatile unsigned char dma_addr2;	/* DMA address       [0x004] */
+	unsigned char dmapad3[1];
+	volatile unsigned char dma_addr3;	/* DMA address (LSB) [0x006] */
+	unsigned char dmapad4[0x3fb];
+	volatile unsigned char cond_reg;        /* DMA cond    (ro)  [0x402] */
+#define ctrl_reg  cond_reg			/* DMA control (wo)  [0x402] */
+};
+
+/* DMA control bits */
+#define CYBER_DMA_LED    0x80	/* HD led control 1 = on */
+#define CYBER_DMA_WRITE  0x40	/* DMA direction. 1 = write */
+#define CYBER_DMA_Z3     0x20	/* 16 (Z2) or 32 (CHIP/Z3) bit DMA transfer */
+
+/* DMA status bits */
+#define CYBER_DMA_HNDL_INTR 0x80	/* DMA IRQ pending? */
+
+/* The bits below appears to be Phase5 Debug bits only; they were not
+ * described by Phase5 so using them may seem a bit stupid...
+ */
+#define CYBER_HOST_ID 0x02	/* If set, host ID should be 7, otherwise
+				 * it should be 6.
+				 */
+#define CYBER_SLOW_CABLE 0x08	/* If *not* set, assume SLOW_CABLE */
+
+extern int cyber_esp_detect(struct SHT *);
+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_CYBERSTORM {                                                               \
+/* struct SHT *next */                                         NULL,                   \
+/* long *usage_count */                                        NULL,                   \
+/* struct proc_dir_entry *proc_dir */                          &proc_scsi_esp,         \
+/* int (*proc_info)(char *, char **, off_t, int, int, int) */  &esp_proc_info,                   \
+/* const char *name */                                         "CyberStorm SCSI", \
+/* int detect(struct SHT *) */                                 cyber_esp_detect,  \
+/* int release(struct Scsi_Host *) */                          NULL,                   \
+/* const char *info(struct Scsi_Host *) */                     esp_info,               \
+/* int command(Scsi_Cmnd *) */                                 esp_command,            \
+/* int queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)) */ esp_queue,              \
+/* int abort(Scsi_Cmnd *) */                                   esp_abort,              \
+/* int reset(Scsi_Cmnd *) */                                   esp_reset,              \
+/* int slave_attach(int, int) */                               NULL,                   \
+/* int bios_param(Disk *, kdev_t, int[]) */                    NULL,                   \
+/* int can_queue */                                            7,                      \
+/* int this_id */                                              7,                      \
+/* short unsigned int sg_tablesize */                          SG_ALL,                 \
+/* short cmd_per_lun */                                        1,                      \
+/* unsigned char present */                                    0,                      \
+/* unsigned unchecked_isa_dma:1 */                             0,                      \
+/* unsigned use_clustering:1 */                                DISABLE_CLUSTERING, }
+
+#endif /* CYBER_ESP_H */
+