/* ** macints.h -- Macintosh Linux interrupt handling structs and prototypes ** ** Copyright 1997 by Michael Schmitz ** ** This file is subject to the terms and conditions of the GNU General Public ** License. See the file COPYING in the main directory of this archive ** for more details. ** */ #ifndef _ASM_MACINTS_H_ #define _ASM_MACINTS_H_ #include <asm/irq.h> /* * Base IRQ number for all Mac68K interrupt sources. Each source * has eight indexes (base -> base+7). */ #define VIA1_SOURCE_BASE 8 #define VIA2_SOURCE_BASE 16 #define PSC3_SOURCE_BASE 24 #define PSC4_SOURCE_BASE 32 #define PSC5_SOURCE_BASE 40 #define PSC6_SOURCE_BASE 48 #define NUBUS_SOURCE_BASE 56 #define BABOON_SOURCE_BASE 64 /* * Maximum IRQ number is BABOON_SOURCE_BASE + 7, * giving us IRQs up through 71 */ #define NUM_MAC_SOURCES 72 /* * clean way to separate IRQ into its source and index */ #define IRQ_SRC(irq) (irq >> 3) #define IRQ_IDX(irq) (irq & 7) /* VIA1 interrupts */ #define IRQ_VIA1_0 (8) /* one second int. */ #define IRQ_VIA1_1 (9) /* VBlank int. */ #define IRQ_MAC_VBL IRQ_VIA1_1 #define IRQ_VIA1_2 (10) /* ADB SR shifts complete */ #define IRQ_MAC_ADB IRQ_VIA1_2 #define IRQ_MAC_ADB_SR IRQ_VIA1_2 #define IRQ_VIA1_3 (11) /* ADB SR CB2 ?? */ #define IRQ_MAC_ADB_SD IRQ_VIA1_3 #define IRQ_VIA1_4 (12) /* ADB SR ext. clock pulse */ #define IRQ_MAC_ADB_CL IRQ_VIA1_4 #define IRQ_VIA1_5 (13) #define IRQ_MAC_TIMER_2 IRQ_VIA1_5 #define IRQ_VIA1_6 (14) #define IRQ_MAC_TIMER_1 IRQ_VIA1_6 #define IRQ_VIA1_7 (15) /* VIA2/RBV interrupts */ #define IRQ_VIA2_0 (16) #define IRQ_MAC_SCSIDRQ IRQ_VIA2_0 #define IRQ_VIA2_1 (17) #define IRQ_MAC_NUBUS IRQ_VIA2_1 #define IRQ_VIA2_2 (18) #define IRQ_VIA2_3 (19) #define IRQ_MAC_SCSI IRQ_VIA2_3 #define IRQ_VIA2_4 (20) #define IRQ_VIA2_5 (21) #define IRQ_VIA2_6 (22) #define IRQ_VIA2_7 (23) /* Level 3 (PSC, AV Macs only) interrupts */ #define IRQ_PSC3_0 (24) #define IRQ_MAC_MACE IRQ_PSC3_0 #define IRQ_PSC3_1 (25) #define IRQ_PSC3_2 (26) #define IRQ_PSC3_3 (27) /* Level 4 (PSC, AV Macs only) interrupts */ #define IRQ_PSC4_0 (32) #define IRQ_PSC4_1 (33) #define IRQ_MAC_SCC_A IRQ_PSC4_1 #define IRQ_PSC4_2 (34) #define IRQ_MAC_SCC_B IRQ_PSC4_2 #define IRQ_PSC4_3 (35) #define IRQ_MAC_MACE_DMA IRQ_PSC4_3 /* OSS Level 4 interrupts */ #define IRQ_MAC_SCC (33) /* Level 5 (PSC, AV Macs only) interrupts */ #define IRQ_PSC5_0 (40) #define IRQ_PSC5_1 (41) #define IRQ_PSC5_2 (42) #define IRQ_PSC5_3 (43) /* Level 6 (PSC, AV Macs only) interrupts */ #define IRQ_PSC6_0 (48) #define IRQ_PSC6_1 (49) #define IRQ_PSC6_2 (50) #define IRQ_PSC6_3 (51) /* Nubus interrupts (cascaded to VIA2) */ #define IRQ_NUBUS_9 (56) #define IRQ_NUBUS_A (57) #define IRQ_NUBUS_B (58) #define IRQ_NUBUS_C (59) #define IRQ_NUBUS_D (60) #define IRQ_NUBUS_E (61) #define IRQ_NUBUS_F (62) /* Baboon interrupts (cascaded to nubus slot $C) */ #define IRQ_BABOON_0 (64) #define IRQ_BABOON_1 (65) #define IRQ_BABOON_2 (66) #define IRQ_BABOON_3 (67) #define SLOT2IRQ(x) (x + 47) #define IRQ2SLOT(x) (x - 47) #define INT_CLK 24576 /* CLK while int_clk =2.456MHz and divide = 100 */ #define INT_TICKS 246 /* to make sched_time = 99.902... HZ */ #endif /* asm/macints.h */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 322 | 95.83% | 4 | 57.14% |
| Finn Thain | 13 | 3.87% | 2 | 28.57% |
| Geert Uytterhoeven | 1 | 0.30% | 1 | 14.29% |
| Total | 336 | 100.00% | 7 | 100.00% |