1 /*
2  *  arch/ppc/kernel/open_pic.h -- OpenPIC Interrupt Handling
3  *
4  *  Copyright (C) 1997 Geert Uytterhoeven
5  *
6  *  This file is subject to the terms and conditions of the GNU General Public
7  *  License.  See the file COPYING in the main directory of this archive
8  *  for more details.
9  *
10  */
11 
12 #ifndef _PPC64_KERNEL_OPEN_PIC_H
13 #define _PPC64_KERNEL_OPEN_PIC_H
14 
15 #include <linux/config.h>
16 
17 #define OPENPIC_SIZE	0x40000
18 
19 /* OpenPIC IRQ controller structure */
20 extern struct hw_interrupt_type open_pic;
21 
22 /* OpenPIC IPI controller structure */
23 #ifdef CONFIG_SMP
24 extern struct hw_interrupt_type open_pic_ipi;
25 #endif /* CONFIG_SMP */
26 
27 extern u_int OpenPIC_NumInitSenses;
28 extern u_char *OpenPIC_InitSenses;
29 extern void* OpenPIC_Addr;
30 
31 /* Exported functions */
32 extern void openpic_init(int, int, unsigned char *, int);
33 extern void openpic_request_IPIs(void);
34 extern void do_openpic_setup_cpu(void);
35 extern int openpic_get_irq(struct pt_regs *regs);
36 extern void openpic_init_processor(u_int cpumask);
37 extern void openpic_setup_ISU(int isu_num, unsigned long addr);
38 extern void openpic_cause_IPI(u_int ipi, u_int cpumask);
39 
40 #endif /* _PPC64_KERNEL_OPEN_PIC_H */
41