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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | /* * 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 * * DISTRIBUTION RELEASE 2. * * For more information, please consult * * * * and * * NCR 5380 Family * SCSI Protocol Controller * Databook * * NCR Microelectronics * 1635 Aeroplaza Drive * Colorado Springs, CO 80916 * 1+ (719) 578-3400 * 1+ (800) 334-5454 */ #ifndef DTC3280_H #define DTC3280_H #ifndef ASM int dtc_abort(Scsi_Cmnd *); int dtc_biosparam(Disk *, kdev_t, int*); int dtc_detect(Scsi_Host_Template *); int dtc_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); int dtc_reset(Scsi_Cmnd *, unsigned int reset_flags); int dtc_proc_info (char *buffer, char **start, off_t offset, int length, int hostno, int inout); #ifndef NULL #define NULL 0 #endif #ifndef CMD_PER_LUN #define CMD_PER_LUN 2 #endif #ifndef CAN_QUEUE #define CAN_QUEUE 32 #endif /* * I hadn't thought of this with the earlier drivers - but to prevent * macro definition conflicts, we shouldn't define all of the internal * macros when this is being used solely for the host stub. */ #if defined(HOSTS_C) || defined(MODULE) #define DTC3x80 {NULL, NULL, NULL, NULL, \ "DTC 3180/3280 ", dtc_detect, NULL, \ NULL, \ NULL, dtc_queue_command, dtc_abort, dtc_reset, NULL, \ dtc_biosparam, \ /* can queue */ CAN_QUEUE, /* id */ 7, SG_ALL, \ /* cmd per lun */ CMD_PER_LUN , 0, 0, DISABLE_CLUSTERING} #endif #ifndef HOSTS_C #define NCR5380_implementation_fields \ volatile unsigned int base #define NCR5380_local_declare() \ volatile unsigned int base #define NCR5380_setup(instance) \ base = (unsigned int)(instance)->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 %08x is: %02x\n"\ , (reg), (int)DTC_address(reg), rval)), rval ) ) #define dbNCR5380_write(reg, value) do { \ printk("DTC : write %02x to register %d at address %08x\n", \ (value), (reg), (int)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 %08x\n"\ , (reg), DTC_address(reg))), readb(DTC_address(reg))) #define NCR5380_write(reg, value) do { \ printk("DTC : write %02x to register %d at address %08x\n", \ (value), (reg), (int)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_reset dtc_reset #define NCR5380_proc_info dtc_proc_info /* 15 12 11 10 1001 1100 0000 0000 */ #define DTC_IRQS 0x9c00 #endif /* else def HOSTS_C */ #endif /* ndef ASM */ #endif /* DTC3280_H */ |