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3d92e8f3ae
http://kisskb.ellerman.id.au/kisskb/buildresult/72115/: | net/mac80211/ieee80211_i.h:327: error: syntax error before 'volatile' | net/mac80211/ieee80211_i.h:350: error: syntax error before '}' token | net/mac80211/ieee80211_i.h:455: error: field 'sta' has incomplete type | distcc[19430] ERROR: compile net/mac80211/main.c on sprygo/32 failed This is caused by | # define mfp ((*(volatile struct MFP*)MFP_BAS)) in arch/m68k/include/asm/atarihw.h, which conflicts with the new "mfp" enum in net/mac80211/ieee80211_i.h. Rename "mfp" to "st_mfp", as it's a way too generic name for a global #define. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
205 lines
5.4 KiB
C
205 lines
5.4 KiB
C
/*
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** atariints.h -- Atari Linux interrupt handling structs and prototypes
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**
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** Copyright 1994 by Björn Brauel
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**
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** 5/2/94 Roman Hodek:
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** TT interrupt definitions added.
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**
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** 12/02/96: (Roman)
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** Adapted to new int handling scheme (see ataints.c); revised numbering
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**
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** This file is subject to the terms and conditions of the GNU General Public
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** License. See the file COPYING in the main directory of this archive
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** for more details.
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**
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*/
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#ifndef _LINUX_ATARIINTS_H_
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#define _LINUX_ATARIINTS_H_
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#include <asm/irq.h>
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#include <asm/atarihw.h>
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/*
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** Atari Interrupt sources.
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**
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*/
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#define STMFP_SOURCE_BASE 8
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#define TTMFP_SOURCE_BASE 24
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#define SCC_SOURCE_BASE 40
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#define VME_SOURCE_BASE 56
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#define VME_MAX_SOURCES 16
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#define NUM_ATARI_SOURCES (VME_SOURCE_BASE+VME_MAX_SOURCES-STMFP_SOURCE_BASE)
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/* convert vector number to int source number */
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#define IRQ_VECTOR_TO_SOURCE(v) ((v) - ((v) < 0x20 ? 0x18 : (0x40-8)))
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/* convert irq_handler index to vector number */
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#define IRQ_SOURCE_TO_VECTOR(i) ((i) + ((i) < 8 ? 0x18 : (0x40-8)))
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/* interrupt service types */
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#define IRQ_TYPE_SLOW 0
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#define IRQ_TYPE_FAST 1
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#define IRQ_TYPE_PRIO 2
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/* ST-MFP interrupts */
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#define IRQ_MFP_BUSY (8)
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#define IRQ_MFP_DCD (9)
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#define IRQ_MFP_CTS (10)
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#define IRQ_MFP_GPU (11)
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#define IRQ_MFP_TIMD (12)
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#define IRQ_MFP_TIMC (13)
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#define IRQ_MFP_ACIA (14)
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#define IRQ_MFP_FDC (15)
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#define IRQ_MFP_ACSI IRQ_MFP_FDC
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#define IRQ_MFP_FSCSI IRQ_MFP_FDC
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#define IRQ_MFP_IDE IRQ_MFP_FDC
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#define IRQ_MFP_TIMB (16)
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#define IRQ_MFP_SERERR (17)
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#define IRQ_MFP_SEREMPT (18)
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#define IRQ_MFP_RECERR (19)
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#define IRQ_MFP_RECFULL (20)
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#define IRQ_MFP_TIMA (21)
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#define IRQ_MFP_RI (22)
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#define IRQ_MFP_MMD (23)
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/* TT-MFP interrupts */
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#define IRQ_TT_MFP_IO0 (24)
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#define IRQ_TT_MFP_IO1 (25)
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#define IRQ_TT_MFP_SCC (26)
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#define IRQ_TT_MFP_RI (27)
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#define IRQ_TT_MFP_TIMD (28)
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#define IRQ_TT_MFP_TIMC (29)
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#define IRQ_TT_MFP_DRVRDY (30)
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#define IRQ_TT_MFP_SCSIDMA (31)
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#define IRQ_TT_MFP_TIMB (32)
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#define IRQ_TT_MFP_SERERR (33)
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#define IRQ_TT_MFP_SEREMPT (34)
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#define IRQ_TT_MFP_RECERR (35)
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#define IRQ_TT_MFP_RECFULL (36)
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#define IRQ_TT_MFP_TIMA (37)
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#define IRQ_TT_MFP_RTC (38)
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#define IRQ_TT_MFP_SCSI (39)
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/* SCC interrupts */
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#define IRQ_SCCB_TX (40)
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#define IRQ_SCCB_STAT (42)
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#define IRQ_SCCB_RX (44)
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#define IRQ_SCCB_SPCOND (46)
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#define IRQ_SCCA_TX (48)
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#define IRQ_SCCA_STAT (50)
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#define IRQ_SCCA_RX (52)
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#define IRQ_SCCA_SPCOND (54)
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#define INT_CLK 24576 /* CLK while int_clk =2.456MHz and divide = 100 */
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#define INT_TICKS 246 /* to make sched_time = 99.902... HZ */
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#define MFP_ENABLE 0
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#define MFP_PENDING 1
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#define MFP_SERVICE 2
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#define MFP_MASK 3
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/* Utility functions for setting/clearing bits in the interrupt registers of
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* the MFP. 'type' should be constant, if 'irq' is constant, too, code size is
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* reduced. set_mfp_bit() is nonsense for PENDING and SERVICE registers. */
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static inline int get_mfp_bit( unsigned irq, int type )
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{ unsigned char mask, *reg;
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mask = 1 << (irq & 7);
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reg = (unsigned char *)&st_mfp.int_en_a + type*4 +
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((irq & 8) >> 2) + (((irq-8) & 16) << 3);
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return( *reg & mask );
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}
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static inline void set_mfp_bit( unsigned irq, int type )
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{ unsigned char mask, *reg;
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mask = 1 << (irq & 7);
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reg = (unsigned char *)&st_mfp.int_en_a + type*4 +
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((irq & 8) >> 2) + (((irq-8) & 16) << 3);
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__asm__ __volatile__ ( "orb %0,%1"
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: : "di" (mask), "m" (*reg) : "memory" );
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}
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static inline void clear_mfp_bit( unsigned irq, int type )
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{ unsigned char mask, *reg;
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mask = ~(1 << (irq & 7));
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reg = (unsigned char *)&st_mfp.int_en_a + type*4 +
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((irq & 8) >> 2) + (((irq-8) & 16) << 3);
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if (type == MFP_PENDING || type == MFP_SERVICE)
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__asm__ __volatile__ ( "moveb %0,%1"
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: : "di" (mask), "m" (*reg) : "memory" );
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else
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__asm__ __volatile__ ( "andb %0,%1"
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: : "di" (mask), "m" (*reg) : "memory" );
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}
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/*
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* {en,dis}able_irq have the usual semantics of temporary blocking the
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* interrupt, but not loosing requests that happen between disabling and
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* enabling. This is done with the MFP mask registers.
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*/
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static inline void atari_enable_irq( unsigned irq )
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{
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if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
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set_mfp_bit( irq, MFP_MASK );
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}
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static inline void atari_disable_irq( unsigned irq )
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{
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if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
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clear_mfp_bit( irq, MFP_MASK );
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}
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/*
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* In opposite to {en,dis}able_irq, requests between turn{off,on}_irq are not
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* "stored"
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*/
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static inline void atari_turnon_irq( unsigned irq )
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{
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if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
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set_mfp_bit( irq, MFP_ENABLE );
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}
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static inline void atari_turnoff_irq( unsigned irq )
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{
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if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
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clear_mfp_bit( irq, MFP_ENABLE );
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clear_mfp_bit( irq, MFP_PENDING );
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}
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static inline void atari_clear_pending_irq( unsigned irq )
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{
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if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
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clear_mfp_bit( irq, MFP_PENDING );
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}
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static inline int atari_irq_pending( unsigned irq )
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{
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if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return( 0 );
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return( get_mfp_bit( irq, MFP_PENDING ) );
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}
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unsigned long atari_register_vme_int( void );
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void atari_unregister_vme_int( unsigned long );
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#endif /* linux/atariints.h */
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