xref: /OK3568_Linux_fs/kernel/arch/powerpc/platforms/8xx/pic.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun #ifndef _PPC_KERNEL_MPC8xx_H
2*4882a593Smuzhiyun #define _PPC_KERNEL_MPC8xx_H
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #include <linux/irq.h>
5*4882a593Smuzhiyun #include <linux/interrupt.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun int mpc8xx_pic_init(void);
8*4882a593Smuzhiyun unsigned int mpc8xx_get_irq(void);
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun /*
11*4882a593Smuzhiyun  * Some internal interrupt registers use an 8-bit mask for the interrupt
12*4882a593Smuzhiyun  * level instead of a number.
13*4882a593Smuzhiyun  */
mk_int_int_mask(uint mask)14*4882a593Smuzhiyun static inline uint mk_int_int_mask(uint mask)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	return (1 << (7 - (mask/2)));
17*4882a593Smuzhiyun }
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #endif /* _PPC_KERNEL_PPC8xx_H */
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