| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds (pre-git) | 686 | 93.84% | 3 | 30.00% |
| Michael Schmitz | 34 | 4.65% | 2 | 20.00% |
| Geert Uytterhoeven | 5 | 0.68% | 2 | 20.00% |
| Andrew Morton | 4 | 0.55% | 1 | 10.00% |
| David Woodhouse | 1 | 0.14% | 1 | 10.00% |
| Lucas De Marchi | 1 | 0.14% | 1 | 10.00% |
| Total | 731 | 10 |
/* ** 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 */
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1