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 14 #include <linux/acpi.h> 15 #include <linux/of.h> 16 17 /* 18 * This macro must be used by the different irqchip drivers to declare 19 * the association between their DT compatible string and their 20 * initialization function. 21 * 22 * @name: name that must be unique across all IRQCHIP_DECLARE of the 23 * same file. 24 * @compstr: compatible string of the irqchip driver 25 * @fn: initialization function 26 */ 27 #define IRQCHIP_DECLARE(name, compat, fn) OF_DECLARE_2(irqchip, name, compat, fn) 28 29 /* 30 * This macro must be used by the different irqchip drivers to declare 31 * the association between their version and their initialization function. 32 * 33 * @name: name that must be unique across all IRQCHIP_ACPI_DECLARE of the 34 * same file. 35 * @subtable: Subtable to be identified in MADT 36 * @validate: Function to be called on that subtable to check its validity. 37 * Can be NULL. 38 * @data: data to be checked by the validate function. 39 * @fn: initialization function 40 */ 41 #define IRQCHIP_ACPI_DECLARE(name, subtable, validate, data, fn) \ 42 ACPI_DECLARE_PROBE_ENTRY(irqchip, name, ACPI_SIG_MADT, \ 43 subtable, validate, data, fn) 44 45 #ifdef CONFIG_IRQCHIP 46 void irqchip_init(void); 47 #else 48 static inline void irqchip_init(void) {} 49 #endif 50 51 #endif 52