/* ** atariints.h -- Atari Linux interrupt handling structs and prototypes ** ** Copyright 1994 by Bj”rn Brauel ** ** 5/2/94 Roman Hodek: ** TT interupt definitions added. ** ** This file is subject to the terms and conditions of the GNU General Public ** License. See the file README.legal in the main directory of this archive ** for more details. ** */ #ifndef _LINUX_ATARIINTS_H_ #define _LINUX_ATARIINTS_H_ /* ** Atari Interrupt sources. ** */ #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_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) #define IRQ_FLOPPY IRQ_MFP_FDC #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) #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) /* INTREQR masks */ #define IRQ1_MASK 0x0007 /* INTREQR mask for IRQ 1 */ #define IRQ2_MASK 0x0008 /* INTREQR mask for IRQ 2 */ #define IRQ3_MASK 0x0070 /* INTREQR mask for IRQ 3 */ #define IRQ4_MASK 0x0780 /* INTREQR mask for IRQ 4 */ #define IRQ5_MASK 0x1800 /* INTREQR mask for IRQ 5 */ #define IRQ6_MASK 0x2000 /* INTREQR mask for IRQ 6 */ #define IRQ7_MASK 0x4000 /* INTREQR mask for IRQ 7 */ #define IF_SETCLR 0x8000 /* set/clr bit */ #define IF_INTEN 0x4000 #define IF_I1 0x2000 #define IF_I2 0x1000 #define IF_I3 0x0800 #define IF_I4 0x0400 #define IF_I5 0x0200 #define IF_I6 0x0100 #define IF_I7 0x0080 #define IF_I8 0x0040 #define IF_I9 0x0020 #define IF_I10 0x0010 #define IF_I11 0x0008 #define IF_I12 0x0004 #define IF_I13 0x0002 #define IF_I14 0x0001 #define INT_CLK 24576 /* CLK while int_clk =2.456MHz and divide = 100 */ #define INT_TICKS 246 /* to make sched_time = 99.9024 HZ */ #endif /* linux/atariints.h */