From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/scsi/dtc.h | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 drivers/scsi/dtc.h (limited to 'drivers/scsi/dtc.h') diff --git a/drivers/scsi/dtc.h b/drivers/scsi/dtc.h new file mode 100644 index 000000000..78a2332e9 --- /dev/null +++ b/drivers/scsi/dtc.h @@ -0,0 +1,76 @@ +/* + * DTC controller, taken from T128 driver by... + * Copyright 1993, Drew Eckhardt + * Visionary Computing + * (Unix and Linux consulting and custom programming) + * drew@colorado.edu + * +1 (303) 440-4894 + */ + +#ifndef DTC3280_H +#define DTC3280_H + +#define DTCDEBUG 0 +#define DTCDEBUG_INIT 0x1 +#define DTCDEBUG_TRANSFER 0x2 + +#ifndef CMD_PER_LUN +#define CMD_PER_LUN 2 +#endif + +#ifndef CAN_QUEUE +#define CAN_QUEUE 32 +#endif + +#define NCR5380_implementation_fields \ + void __iomem *base + +#define NCR5380_local_declare() \ + void __iomem *base + +#define NCR5380_setup(instance) \ + base = ((struct NCR5380_hostdata *)(instance)->hostdata)->base + +#define DTC_address(reg) (base + DTC_5380_OFFSET + reg) + +#define dbNCR5380_read(reg) \ + (rval=readb(DTC_address(reg)), \ + (((unsigned char) printk("DTC : read register %d at addr %p is: %02x\n"\ + , (reg), DTC_address(reg), rval)), rval ) ) + +#define dbNCR5380_write(reg, value) do { \ + printk("DTC : write %02x to register %d at address %p\n", \ + (value), (reg), DTC_address(reg)); \ + writeb(value, DTC_address(reg));} while(0) + + +#if !(DTCDEBUG & DTCDEBUG_TRANSFER) +#define NCR5380_read(reg) (readb(DTC_address(reg))) +#define NCR5380_write(reg, value) (writeb(value, DTC_address(reg))) +#else +#define NCR5380_read(reg) (readb(DTC_address(reg))) +#define xNCR5380_read(reg) \ + (((unsigned char) printk("DTC : read register %d at address %p\n"\ + , (reg), DTC_address(reg))), readb(DTC_address(reg))) + +#define NCR5380_write(reg, value) do { \ + printk("DTC : write %02x to register %d at address %p\n", \ + (value), (reg), DTC_address(reg)); \ + writeb(value, DTC_address(reg));} while(0) +#endif + +#define NCR5380_intr dtc_intr +#define NCR5380_queue_command dtc_queue_command +#define NCR5380_abort dtc_abort +#define NCR5380_bus_reset dtc_bus_reset +#define NCR5380_info dtc_info +#define NCR5380_show_info dtc_show_info +#define NCR5380_write_info dtc_write_info + +/* 15 12 11 10 + 1001 1100 0000 0000 */ + +#define DTC_IRQS 0x9c00 + + +#endif /* DTC3280_H */ -- cgit v1.2.3-54-g00ecf