/* ** atariints.h -- Atari Linux interrupt handling structs and prototypes ** ** Copyright 1994 by Björn Brauel ** ** 5/2/94 Roman Hodek: ** TT interrupt definitions added. ** ** 12/02/96: (Roman) ** Adapted to new int handling scheme (see ataints.c); revised numbering ** ** 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 _LINUX_ATARIINTS_H_ #define _LINUX_ATARIINTS_H_ #include <asm/irq.h> #include <asm/atarihw.h> /* ** Atari Interrupt sources. ** */ #define STMFP_SOURCE_BASE 8 #define TTMFP_SOURCE_BASE 24 #define SCC_SOURCE_BASE 40 #define VME_SOURCE_BASE 56 #define VME_MAX_SOURCES 16 #define NUM_ATARI_SOURCES 141 /* convert vector number to int source number */ #define IRQ_VECTOR_TO_SOURCE(v) ((v) - ((v) < 0x20 ? 0x18 : (0x40-8))) /* convert irq_handler index to vector number */ #define IRQ_SOURCE_TO_VECTOR(i) ((i) + ((i) < 8 ? 0x18 : (0x40-8))) /* ST-MFP interrupts */ #define IRQ_MFP_BUSY (8) #define IRQ_MFP_DCD (9) #define IRQ_MFP_CTS (10) #define IRQ_MFP_GPU (11) #define IRQ_MFP_TIMD (12) #define IRQ_MFP_TIMC (13) #define IRQ_MFP_ACIA (14) #define IRQ_MFP_FDC (15) #define IRQ_MFP_ACSI IRQ_MFP_FDC #define IRQ_MFP_FSCSI IRQ_MFP_FDC #define IRQ_MFP_IDE IRQ_MFP_FDC #define IRQ_MFP_TIMB (16) #define IRQ_MFP_SERERR (17) #define IRQ_MFP_SEREMPT (18) #define IRQ_MFP_RECERR (19) #define IRQ_MFP_RECFULL (20) #define IRQ_MFP_TIMA (21) #define IRQ_MFP_RI (22) #define IRQ_MFP_MMD (23) /* TT-MFP interrupts */ #define IRQ_TT_MFP_IO0 (24) #define IRQ_TT_MFP_IO1 (25) #define IRQ_TT_MFP_SCC (26) #define IRQ_TT_MFP_RI (27) #define IRQ_TT_MFP_TIMD (28) #define IRQ_TT_MFP_TIMC (29) #define IRQ_TT_MFP_DRVRDY (30) #define IRQ_TT_MFP_SCSIDMA (31) #define IRQ_TT_MFP_TIMB (32) #define IRQ_TT_MFP_SERERR (33) #define IRQ_TT_MFP_SEREMPT (34) #define IRQ_TT_MFP_RECERR (35) #define IRQ_TT_MFP_RECFULL (36) #define IRQ_TT_MFP_TIMA (37) #define IRQ_TT_MFP_RTC (38) #define IRQ_TT_MFP_SCSI (39) /* SCC interrupts */ #define IRQ_SCCB_TX (40) #define IRQ_SCCB_STAT (42) #define IRQ_SCCB_RX (44) #define IRQ_SCCB_SPCOND (46) #define IRQ_SCCA_TX (48) #define IRQ_SCCA_STAT (50) #define IRQ_SCCA_RX (52) #define IRQ_SCCA_SPCOND (54) /* shared MFP timer D interrupts - hires timer for EtherNEC et al. */ #define IRQ_MFP_TIMER1 (64) #define IRQ_MFP_TIMER2 (65) #define IRQ_MFP_TIMER3 (66) #define IRQ_MFP_TIMER4 (67) #define IRQ_MFP_TIMER5 (68) #define IRQ_MFP_TIMER6 (69) #define IRQ_MFP_TIMER7 (70) #define IRQ_MFP_TIMER8 (71) #define INT_CLK 24576 /* CLK while int_clk =2.456MHz and divide = 100 */ #define INT_TICKS 246 /* to make sched_time = 99.902... HZ */ #define MFP_ENABLE 0 #define MFP_PENDING 1 #define MFP_SERVICE 2 #define MFP_MASK 3 /* Utility functions for setting/clearing bits in the interrupt registers of * the MFP. 'type' should be constant, if 'irq' is constant, too, code size is * reduced. set_mfp_bit() is nonsense for PENDING and SERVICE registers. */ static inline int get_mfp_bit( unsigned irq, int type ) { unsigned char mask, *reg; mask = 1 << (irq & 7); reg = (unsigned char *)&st_mfp.int_en_a + type*4 + ((irq & 8) >> 2) + (((irq-8) & 16) << 3); return( *reg & mask ); } static inline void set_mfp_bit( unsigned irq, int type ) { unsigned char mask, *reg; mask = 1 << (irq & 7); reg = (unsigned char *)&st_mfp.int_en_a + type*4 + ((irq & 8) >> 2) + (((irq-8) & 16) << 3); __asm__ __volatile__ ( "orb %0,%1" : : "di" (mask), "m" (*reg) : "memory" ); } static inline void clear_mfp_bit( unsigned irq, int type ) { unsigned char mask, *reg; mask = ~(1 << (irq & 7)); reg = (unsigned char *)&st_mfp.int_en_a + type*4 + ((irq & 8) >> 2) + (((irq-8) & 16) << 3); if (type == MFP_PENDING || type == MFP_SERVICE) __asm__ __volatile__ ( "moveb %0,%1" : : "di" (mask), "m" (*reg) : "memory" ); else __asm__ __volatile__ ( "andb %0,%1" : : "di" (mask), "m" (*reg) : "memory" ); } /* * {en,dis}able_irq have the usual semantics of temporary blocking the * interrupt, but not losing requests that happen between disabling and * enabling. This is done with the MFP mask registers. */ static inline void atari_enable_irq( unsigned irq ) { if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return; set_mfp_bit( irq, MFP_MASK ); } static inline void atari_disable_irq( unsigned irq ) { if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return; clear_mfp_bit( irq, MFP_MASK ); } /* * In opposite to {en,dis}able_irq, requests between turn{off,on}_irq are not * "stored" */ static inline void atari_turnon_irq( unsigned irq ) { if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return; set_mfp_bit( irq, MFP_ENABLE ); } static inline void atari_turnoff_irq( unsigned irq ) { if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return; clear_mfp_bit( irq, MFP_ENABLE ); clear_mfp_bit( irq, MFP_PENDING ); } static inline void atari_clear_pending_irq( unsigned irq ) { if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return; clear_mfp_bit( irq, MFP_PENDING ); } static inline int atari_irq_pending( unsigned irq ) { if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return( 0 ); return( get_mfp_bit( irq, MFP_PENDING ) ); } unsigned int atari_register_vme_int(void); void atari_unregister_vme_int(unsigned int); #endif /* linux/atariints.h */
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MC68328.h | File | 37.82 KB | 0644 |
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apollohw.h | File | 2.35 KB | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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asm-prototypes.h | File | 211 B | 0644 |
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atafd.h | File | 300 B | 0644 |
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atafdreg.h | File | 2.68 KB | 0644 |
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atari_joystick.h | File | 457 B | 0644 |
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atari_stdma.h | File | 514 B | 0644 |
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atari_stram.h | File | 528 B | 0644 |
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atarihw.h | File | 20.3 KB | 0644 |
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atariints.h | File | 5.56 KB | 0644 |
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atarikb.h | File | 1.4 KB | 0644 |
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atomic.h | File | 4.86 KB | 0644 |
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bitops.h | File | 12.19 KB | 0644 |
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blinken.h | File | 641 B | 0644 |
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bootinfo.h | File | 783 B | 0644 |
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bootstd.h | File | 4.64 KB | 0644 |
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bug.h | File | 659 B | 0644 |
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bugs.h | File | 369 B | 0644 |
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bvme6000hw.h | File | 3.45 KB | 0644 |
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cache.h | File | 296 B | 0644 |
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cacheflush.h | File | 133 B | 0644 |
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cacheflush_mm.h | File | 6.92 KB | 0644 |
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cacheflush_no.h | File | 2.61 KB | 0644 |
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checksum.h | File | 3.4 KB | 0644 |
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cmpxchg.h | File | 3.34 KB | 0644 |
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coldfire.h | File | 1.61 KB | 0644 |
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contregs.h | File | 3.31 KB | 0644 |
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current.h | File | 580 B | 0644 |
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delay.h | File | 3.43 KB | 0644 |
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div64.h | File | 858 B | 0644 |
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dma-mapping.h | File | 291 B | 0644 |
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dma.h | File | 16.65 KB | 0644 |
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dsp56k.h | File | 1.24 KB | 0644 |
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dvma.h | File | 9.67 KB | 0644 |
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elf.h | File | 3.07 KB | 0644 |
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entry.h | File | 5.76 KB | 0644 |
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export.h | File | 74 B | 0644 |
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fb.h | File | 921 B | 0644 |
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flat.h | File | 1.02 KB | 0644 |
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floppy.h | File | 5.06 KB | 0644 |
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fpu.h | File | 535 B | 0644 |
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ftrace.h | File | 12 B | 0644 |
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gpio.h | File | 2.64 KB | 0644 |
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hardirq.h | File | 594 B | 0644 |
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hash.h | File | 2.07 KB | 0644 |
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hp300hw.h | File | 186 B | 0644 |
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hwtest.h | File | 467 B | 0644 |
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ide.h | File | 1.67 KB | 0644 |
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idprom.h | File | 725 B | 0644 |
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intersil.h | File | 1.11 KB | 0644 |
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io.h | File | 383 B | 0644 |
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io_mm.h | File | 16.19 KB | 0644 |
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io_no.h | File | 5.26 KB | 0644 |
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irq.h | File | 2.57 KB | 0644 |
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irqflags.h | File | 1.61 KB | 0644 |
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kexec.h | File | 732 B | 0644 |
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linkage.h | File | 1.55 KB | 0644 |
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m5206sim.h | File | 6.4 KB | 0644 |
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mac_baboon.h | File | 999 B | 0644 |
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mac_iop.h | File | 5.37 KB | 0644 |
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mac_psc.h | File | 7.25 KB | 0644 |
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mac_via.h | File | 11.44 KB | 0644 |
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machdep.h | File | 1.34 KB | 0644 |
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machines.h | File | 3.13 KB | 0644 |
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machw.h | File | 588 B | 0644 |
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macintosh.h | File | 2.02 KB | 0644 |
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macints.h | File | 3.28 KB | 0644 |
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math-emu.h | File | 6.74 KB | 0644 |
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mc146818rtc.h | File | 598 B | 0644 |
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mcf8390.h | File | 3.75 KB | 0644 |
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mcf_pgalloc.h | File | 2.37 KB | 0644 |
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mcf_pgtable.h | File | 9.89 KB | 0644 |
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mcfclk.h | File | 1.01 KB | 0644 |
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mcfdma.h | File | 6.51 KB | 0644 |
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mcfgpio.h | File | 8.48 KB | 0644 |
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mcfintc.h | File | 3.09 KB | 0644 |
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mcfmmu.h | File | 3.67 KB | 0644 |
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mcfpit.h | File | 2.22 KB | 0644 |
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mcfqspi.h | File | 1.82 KB | 0644 |
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mcfsim.h | File | 1.5 KB | 0644 |
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mcfslt.h | File | 1.21 KB | 0644 |
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mcftimer.h | File | 2.3 KB | 0644 |
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mcfuart.h | File | 6.91 KB | 0644 |
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mcfwdebug.h | File | 4.99 KB | 0644 |
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mmu.h | File | 243 B | 0644 |
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mmu_context.h | File | 7.2 KB | 0644 |
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mmzone.h | File | 264 B | 0644 |
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module.h | File | 847 B | 0644 |
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motorola_pgalloc.h | File | 2.26 KB | 0644 |
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motorola_pgtable.h | File | 9.2 KB | 0644 |
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movs.h | File | 1.44 KB | 0644 |
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mvme147hw.h | File | 2.81 KB | 0644 |
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mvme16xhw.h | File | 2.16 KB | 0644 |
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natfeat.h | File | 533 B | 0644 |
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nettel.h | File | 2.95 KB | 0644 |
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nubus.h | File | 1.21 KB | 0644 |
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openprom.h | File | 7.98 KB | 0644 |
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oplib.h | File | 9.54 KB | 0644 |
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page.h | File | 1.47 KB | 0644 |
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page_mm.h | File | 4.06 KB | 0644 |
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page_no.h | File | 1.28 KB | 0644 |
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page_offset.h | File | 256 B | 0644 |
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parport.h | File | 837 B | 0644 |
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pci.h | File | 458 B | 0644 |
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pgalloc.h | File | 444 B | 0644 |
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pgtable.h | File | 127 B | 0644 |
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pgtable_mm.h | File | 4.84 KB | 0644 |
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pgtable_no.h | File | 1.57 KB | 0644 |
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processor.h | File | 3.59 KB | 0644 |
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ptrace.h | File | 643 B | 0644 |
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q40_master.h | File | 2.28 KB | 0644 |
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q40ints.h | File | 749 B | 0644 |
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quicc_simple.h | File | 1.79 KB | 0644 |
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raw_io.h | File | 11.41 KB | 0644 |
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segment.h | File | 1.42 KB | 0644 |
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serial.h | File | 1.14 KB | 0644 |
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setup.h | File | 9.25 KB | 0644 |
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signal.h | File | 1.34 KB | 0644 |
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smp.h | File | 32 B | 0644 |
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string.h | File | 1.68 KB | 0644 |
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sun3-head.h | File | 353 B | 0644 |
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sun3_pgalloc.h | File | 2.26 KB | 0644 |
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sun3_pgtable.h | File | 7.65 KB | 0644 |
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sun3ints.h | File | 989 B | 0644 |
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sun3mmu.h | File | 4.91 KB | 0644 |
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sun3x.h | File | 868 B | 0644 |
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sun3xflop.h | File | 5.62 KB | 0644 |
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sun3xprom.h | File | 1.31 KB | 0644 |
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switch_to.h | File | 1.51 KB | 0644 |
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thread_info.h | File | 2.02 KB | 0644 |
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timex.h | File | 974 B | 0644 |
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tlb.h | File | 486 B | 0644 |
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tlbflush.h | File | 5.95 KB | 0644 |
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traps.h | File | 8.33 KB | 0644 |
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uaccess.h | File | 152 B | 0644 |
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uaccess_mm.h | File | 10.31 KB | 0644 |
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uaccess_no.h | File | 3.69 KB | 0644 |
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ucontext.h | File | 570 B | 0644 |
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unaligned.h | File | 600 B | 0644 |
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unistd.h | File | 952 B | 0644 |
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user.h | File | 3.78 KB | 0644 |
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vga.h | File | 651 B | 0644 |
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virtconvert.h | File | 947 B | 0644 |
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zorro.h | File | 1.17 KB | 0644 |
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