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f6e916b8 TP |
1 | /* |
2 | * Copyright (C) 2012 Thomas Petazzoni | |
3 | * | |
4 | * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | |
5 | * | |
6 | * This file is licensed under the terms of the GNU General Public | |
7 | * License version 2. This program is licensed "as is" without any | |
8 | * warranty of any kind, whether express or implied. | |
9 | */ | |
10 | ||
11 | #ifndef _LINUX_IRQCHIP_H | |
12 | #define _LINUX_IRQCHIP_H | |
13 | ||
46e589a3 | 14 | #include <linux/acpi.h> |
762a21fd | 15 | #include <linux/module.h> |
91e20b50 | 16 | #include <linux/of.h> |
f8410e62 | 17 | #include <linux/platform_device.h> |
91e20b50 JP |
18 | |
19 | /* | |
20 | * This macro must be used by the different irqchip drivers to declare | |
21 | * the association between their DT compatible string and their | |
22 | * initialization function. | |
23 | * | |
c5f48c0a | 24 | * @name: name that must be unique across all IRQCHIP_DECLARE of the |
91e20b50 JP |
25 | * same file. |
26 | * @compstr: compatible string of the irqchip driver | |
27 | * @fn: initialization function | |
28 | */ | |
29 | #define IRQCHIP_DECLARE(name, compat, fn) OF_DECLARE_2(irqchip, name, compat, fn) | |
30 | ||
f8410e62 SK |
31 | extern int platform_irqchip_probe(struct platform_device *pdev); |
32 | ||
33 | #define IRQCHIP_PLATFORM_DRIVER_BEGIN(drv_name) \ | |
34 | static const struct of_device_id drv_name##_irqchip_match_table[] = { | |
35 | ||
36 | #define IRQCHIP_MATCH(compat, fn) { .compatible = compat, .data = fn }, | |
37 | ||
38 | #define IRQCHIP_PLATFORM_DRIVER_END(drv_name) \ | |
39 | {}, \ | |
40 | }; \ | |
41 | MODULE_DEVICE_TABLE(of, drv_name##_irqchip_match_table); \ | |
42 | static struct platform_driver drv_name##_driver = { \ | |
43 | .probe = platform_irqchip_probe, \ | |
44 | .driver = { \ | |
45 | .name = #drv_name, \ | |
46 | .owner = THIS_MODULE, \ | |
47 | .of_match_table = drv_name##_irqchip_match_table, \ | |
48 | .suppress_bind_attrs = true, \ | |
49 | }, \ | |
50 | }; \ | |
51 | builtin_platform_driver(drv_name##_driver) | |
52 | ||
46e589a3 MZ |
53 | /* |
54 | * This macro must be used by the different irqchip drivers to declare | |
55 | * the association between their version and their initialization function. | |
56 | * | |
c5f48c0a | 57 | * @name: name that must be unique across all IRQCHIP_ACPI_DECLARE of the |
46e589a3 MZ |
58 | * same file. |
59 | * @subtable: Subtable to be identified in MADT | |
60 | * @validate: Function to be called on that subtable to check its validity. | |
61 | * Can be NULL. | |
62 | * @data: data to be checked by the validate function. | |
63 | * @fn: initialization function | |
64 | */ | |
65 | #define IRQCHIP_ACPI_DECLARE(name, subtable, validate, data, fn) \ | |
aba3c7ed OC |
66 | ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(irqchip, name, \ |
67 | ACPI_SIG_MADT, subtable, \ | |
68 | validate, data, fn) | |
46e589a3 | 69 | |
0d7c1210 | 70 | #ifdef CONFIG_IRQCHIP |
f6e916b8 | 71 | void irqchip_init(void); |
0d7c1210 BH |
72 | #else |
73 | static inline void irqchip_init(void) {} | |
74 | #endif | |
f6e916b8 TP |
75 | |
76 | #endif |