Cross Reference: /arch/m68k/include/asm/atariints.h

Lines Matching refs:irq
21 #include <asm/irq.h>
117  * the MFP. 'type' should be constant, if 'irq' is constant, too, code size is
120 static inline int get_mfp_bit( unsigned irq, int type )
124 	mask = 1 << (irq & 7);
126 		  ((irq & 8) >> 2) + (((irq-8) & 16) << 3);
130 static inline void set_mfp_bit( unsigned irq, int type )
134 	mask = 1 << (irq & 7);
136 		  ((irq & 8) >> 2) + (((irq-8) & 16) << 3);
141 static inline void clear_mfp_bit( unsigned irq, int type )
145 	mask = ~(1 << (irq & 7));
147 		  ((irq & 8) >> 2) + (((irq-8) & 16) << 3);
162 static inline void atari_enable_irq( unsigned irq )
165 	if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
166 	set_mfp_bit( irq, MFP_MASK );
169 static inline void atari_disable_irq( unsigned irq )
172 	if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
173 	clear_mfp_bit( irq, MFP_MASK );
181 static inline void atari_turnon_irq( unsigned irq )
184 	if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
185 	set_mfp_bit( irq, MFP_ENABLE );
188 static inline void atari_turnoff_irq( unsigned irq )
191 	if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
192 	clear_mfp_bit( irq, MFP_ENABLE );
193 	clear_mfp_bit( irq, MFP_PENDING );
196 static inline void atari_clear_pending_irq( unsigned irq )
199 	if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
200 	clear_mfp_bit( irq, MFP_PENDING );
203 static inline int atari_irq_pending( unsigned irq )
206 	if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return( 0 );
207 	return( get_mfp_bit( irq, MFP_PENDING ) );