projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * DTC controller, taken from T128 driver by... | |
| 3 | * Copyright 1993, Drew Eckhardt | |
| 4 | * Visionary Computing | |
| 5 | * (Unix and Linux consulting and custom programming) | |
| 6 | * [email protected] | |
| 7 | * +1 (303) 440-4894 | |
| 8 | * | |
| 9 | * DISTRIBUTION RELEASE 2. | |
| 10 | * | |
| 11 | * For more information, please consult | |
| 12 | * | |
| 13 | * | |
| 14 | * | |
| 15 | * and | |
| 16 | * | |
| 17 | * NCR 5380 Family | |
| 18 | * SCSI Protocol Controller | |
| 19 | * Databook | |
| 20 | * | |
| 21 | * NCR Microelectronics | |
| 22 | * 1635 Aeroplaza Drive | |
| 23 | * Colorado Springs, CO 80916 | |
| 24 | * 1+ (719) 578-3400 | |
| 25 | * 1+ (800) 334-5454 | |
| 26 | */ | |
| 27 | ||
| 28 | #ifndef DTC3280_H | |
| 29 | #define DTC3280_H | |
| 30 | ||
| 44456d37 OH |
31 | #define DTCDEBUG 0 |
| 32 | #define DTCDEBUG_INIT 0x1 | |
| 33 | #define DTCDEBUG_TRANSFER 0x2 | |
| 34 | ||
| 1da177e4 LT |
35 | static int dtc_abort(Scsi_Cmnd *); |
| 36 | static int dtc_biosparam(struct scsi_device *, struct block_device *, | |
| 37 | sector_t, int*); | |
| d0be4a7d | 38 | static int dtc_detect(struct scsi_host_template *); |
| 1da177e4 LT |
39 | static int dtc_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); |
| 40 | static int dtc_bus_reset(Scsi_Cmnd *); | |
| 1da177e4 LT |
41 | |
| 42 | #ifndef CMD_PER_LUN | |
| 43 | #define CMD_PER_LUN 2 | |
| 44 | #endif | |
| 45 | ||
| 46 | #ifndef CAN_QUEUE | |
| 47 | #define CAN_QUEUE 32 | |
| 48 | #endif | |
| 49 | ||
| 50 | #define NCR5380_implementation_fields \ | |
| 51 | void __iomem *base | |
| 52 | ||
| 53 | #define NCR5380_local_declare() \ | |
| 54 | void __iomem *base | |
| 55 | ||
| 56 | #define NCR5380_setup(instance) \ | |
| 57 | base = ((struct NCR5380_hostdata *)(instance)->hostdata)->base | |
| 58 | ||
| 59 | #define DTC_address(reg) (base + DTC_5380_OFFSET + reg) | |
| 60 | ||
| 61 | #define dbNCR5380_read(reg) \ | |
| 62 | (rval=readb(DTC_address(reg)), \ | |
| 63 | (((unsigned char) printk("DTC : read register %d at addr %p is: %02x\n"\ | |
| 64 | , (reg), DTC_address(reg), rval)), rval ) ) | |
| 65 | ||
| 66 | #define dbNCR5380_write(reg, value) do { \ | |
| 67 | printk("DTC : write %02x to register %d at address %p\n", \ | |
| 68 | (value), (reg), DTC_address(reg)); \ | |
| 69 | writeb(value, DTC_address(reg));} while(0) | |
| 70 | ||
| 71 | ||
| 72 | #if !(DTCDEBUG & DTCDEBUG_TRANSFER) | |
| 73 | #define NCR5380_read(reg) (readb(DTC_address(reg))) | |
| 74 | #define NCR5380_write(reg, value) (writeb(value, DTC_address(reg))) | |
| 75 | #else | |
| 76 | #define NCR5380_read(reg) (readb(DTC_address(reg))) | |
| 77 | #define xNCR5380_read(reg) \ | |
| 78 | (((unsigned char) printk("DTC : read register %d at address %p\n"\ | |
| 79 | , (reg), DTC_address(reg))), readb(DTC_address(reg))) | |
| 80 | ||
| 81 | #define NCR5380_write(reg, value) do { \ | |
| 82 | printk("DTC : write %02x to register %d at address %p\n", \ | |
| 83 | (value), (reg), DTC_address(reg)); \ | |
| 84 | writeb(value, DTC_address(reg));} while(0) | |
| 85 | #endif | |
| 86 | ||
| 87 | #define NCR5380_intr dtc_intr | |
| 88 | #define NCR5380_queue_command dtc_queue_command | |
| 89 | #define NCR5380_abort dtc_abort | |
| 90 | #define NCR5380_bus_reset dtc_bus_reset | |
| 1da177e4 LT |
91 | #define NCR5380_proc_info dtc_proc_info |
| 92 | ||
| 93 | /* 15 12 11 10 | |
| 94 | 1001 1100 0000 0000 */ | |
| 95 | ||
| 96 | #define DTC_IRQS 0x9c00 | |
| 97 | ||
| 98 | ||
| 99 | #endif /* DTC3280_H */ |