Merge remote-tracking branch 'asoc/topic/core' into asoc-next
[linux-2.6-block.git] / arch / mips / loongson64 / common / bonito-irq.c
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1/*
2 * Copyright 2001 MontaVista Software Inc.
3 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
4 * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)
5 *
0bb383a2 6 * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
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7 * Author: Fuxin Zhang, zhangfx@lemote.com
8 *
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9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
42d226c7 12 * option) any later version.
42d226c7 13 */
42d226c7 14#include <linux/interrupt.h>
6f7a251a 15#include <linux/compiler.h>
42d226c7 16
5e983ff6 17#include <loongson.h>
42d226c7 18
7ec8af9e 19static inline void bonito_irq_enable(struct irq_data *d)
42d226c7 20{
7ec8af9e 21 LOONGSON_INTENSET = (1 << (d->irq - LOONGSON_IRQ_BASE));
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22 mmiowb();
23}
24
7ec8af9e 25static inline void bonito_irq_disable(struct irq_data *d)
42d226c7 26{
7ec8af9e 27 LOONGSON_INTENCLR = (1 << (d->irq - LOONGSON_IRQ_BASE));
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28 mmiowb();
29}
30
31static struct irq_chip bonito_irq_type = {
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32 .name = "bonito_irq",
33 .irq_mask = bonito_irq_disable,
34 .irq_unmask = bonito_irq_enable,
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35};
36
6f7a251a 37static struct irqaction __maybe_unused dma_timeout_irqaction = {
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38 .handler = no_action,
39 .name = "dma_timeout",
40};
41
42void bonito_irq_init(void)
43{
44 u32 i;
45
e2fee572 46 for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++)
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47 irq_set_chip_and_handler(i, &bonito_irq_type,
48 handle_level_irq);
42d226c7 49
6f7a251a 50#ifdef CONFIG_CPU_LOONGSON2E
e2fee572 51 setup_irq(LOONGSON_IRQ_BASE + 10, &dma_timeout_irqaction);
6f7a251a 52#endif
42d226c7 53}