xref: /freebsd/sys/powerpc/include/intr_machdep.h (revision d9f0ce31900a48d1a2bfc1c8c86f79d1e831451a)
1 /*-
2  * Copyright (C) 2002 Benno Rice.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
22  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #ifndef	_MACHINE_INTR_MACHDEP_H_
29 #define	_MACHINE_INTR_MACHDEP_H_
30 
31 #define	INTR_VECTORS	256
32 
33 #define	MAX_PICS		16
34 #define	MAP_IRQ(node, pin)	powerpc_get_irq(node, pin)
35 
36 /*
37  * Default base address for MSI messages on PowerPC
38  */
39 #define	MSI_INTEL_ADDR_BASE		0xfee00000
40 
41 extern device_t root_pic;
42 
43 struct trapframe;
44 
45 driver_filter_t powerpc_ipi_handler;
46 
47 void	intrcnt_add(const char *name, u_long **countp);
48 
49 void	powerpc_register_pic(device_t, uint32_t, u_int, u_int, u_int);
50 u_int	powerpc_get_irq(uint32_t, u_int);
51 
52 void	powerpc_dispatch_intr(u_int, struct trapframe *);
53 int	powerpc_enable_intr(void);
54 int	powerpc_setup_intr(const char *, u_int, driver_filter_t, driver_intr_t,
55 	    void *, enum intr_type, void **);
56 int	powerpc_teardown_intr(void *);
57 int	powerpc_bind_intr(u_int irq, u_char cpu);
58 int	powerpc_config_intr(int, enum intr_trigger, enum intr_polarity);
59 int	powerpc_fw_config_intr(int irq, int sense_code);
60 
61 void	powerpc_intr_mask(u_int irq);
62 void	powerpc_intr_unmask(u_int irq);
63 
64 #endif /* _MACHINE_INTR_MACHDEP_H_ */
65