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

• Lines: 74
• Date: Fri May 8 00:22:12 1998
• Orig file: v2.1.100/linux/drivers/scsi/fastlane.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.100/linux/drivers/scsi/fastlane.h linux/drivers/scsi/fastlane.h
@@ -0,0 +1,73 @@
+/* fastlane.h: Defines and structures for the Fastlane SCSI driver.
+ *
+ * Copyright (C) 1996 Jesper Skov (jskov@cygnus.co.uk)
+ */
+
+#include "NCR53C9x.h"
+
+#ifndef FASTLANE_H
+#define FASTLANE_H
+
+/* The controller registers can be found in the Z2 config area at these
+ * offsets:
+ */
+#define FASTLANE_ESP_ADDR 0x1000001
+#define FASTLANE_DMA_ADDR 0x1000041
+
+
+/* The Fastlane DMA interface */
+struct fastlane_dma_registers {
+	volatile unsigned char cond_reg;	/* DMA status  (ro) [0x0000] */
+#define ctrl_reg  cond_reg			/* DMA control (wo) [0x0000] */
+	unsigned char dmapad1[0x3f];
+	volatile unsigned char clear_strobe;    /* DMA clear   (wo) [0x0040] */
+};
+
+
+/* DMA status bits */
+#define FASTLANE_DMA_MINT  0x80
+#define FASTLANE_DMA_IACT  0x40
+#define FASTLANE_DMA_CREQ  0x20
+
+/* DMA control bits */
+#define FASTLANE_DMA_FCODE 0xa0
+#define FASTLANE_DMA_MASK  0xf3
+#define FASTLANE_DMA_LED   0x10	/* HD led control 1 = on */
+#define FASTLANE_DMA_WRITE 0x08 /* 1 = write */
+#define FASTLANE_DMA_ENABLE 0x04 /* Enable DMA */
+#define FASTLANE_DMA_EDI   0x02	/* Enable DMA IRQ ? */
+#define FASTLANE_DMA_ESI   0x01	/* Enable SCSI IRQ */
+
+extern int fastlane_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_FASTLANE {                                                               \
+/* 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 */                                         "Fastlane SCSI", \
+/* int detect(struct SHT *) */                                 fastlane_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 /* FASTLANE_H */