xref: /freebsd/sys/powerpc/include/intr_machdep.h (revision af23369a6deaaeb612ab266eb88b8bb8d560c322)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (C) 2002 Benno Rice.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef	_MACHINE_INTR_MACHDEP_H_
31 #define	_MACHINE_INTR_MACHDEP_H_
32 
33 #define	INTR_VECTORS	256
34 
35 #define	MAX_PICS		32
36 #define	MAP_IRQ(node, pin)	powerpc_get_irq(node, pin)
37 
38 /*
39  * Default base address for MSI messages on PowerPC
40  */
41 #define	MSI_INTEL_ADDR_BASE		0xfee00000
42 
43 extern device_t root_pic;
44 
45 struct trapframe;
46 
47 driver_filter_t powerpc_ipi_handler;
48 
49 void	intrcnt_add(const char *name, u_long **countp);
50 
51 u_int	powerpc_register_pic(device_t, uint32_t, u_int, u_int, u_int);
52 u_int	powerpc_get_irq(uint32_t, u_int);
53 
54 void	powerpc_dispatch_intr(u_int, struct trapframe *);
55 int	powerpc_enable_intr(void);
56 int	powerpc_setup_intr(const char *, u_int, driver_filter_t, driver_intr_t,
57 	    void *, enum intr_type, void **, int);
58 int	powerpc_teardown_intr(void *);
59 int	powerpc_bind_intr(u_int irq, u_char cpu);
60 int	powerpc_config_intr(int, enum intr_trigger, enum intr_polarity);
61 int	powerpc_fw_config_intr(int irq, int sense_code);
62 
63 void	powerpc_intr_mask(u_int irq);
64 void	powerpc_intr_unmask(u_int irq);
65 
66 #endif /* _MACHINE_INTR_MACHDEP_H_ */
67