1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3    interrupt handling
4    Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
5    Copyright (C) 2004  Chris Kennedy <c@groovy.org>
6    Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
7
8 */
9
10#ifndef IVTV_IRQ_H
11#define IVTV_IRQ_H
12
13#define IVTV_IRQ_ENC_START_CAP		BIT(31)
14#define IVTV_IRQ_ENC_EOS		BIT(30)
15#define IVTV_IRQ_ENC_VBI_CAP		BIT(29)
16#define IVTV_IRQ_ENC_VIM_RST		BIT(28)
17#define IVTV_IRQ_ENC_DMA_COMPLETE	BIT(27)
18#define IVTV_IRQ_ENC_PIO_COMPLETE	BIT(25)
19#define IVTV_IRQ_DEC_AUD_MODE_CHG	BIT(24)
20#define IVTV_IRQ_DEC_DATA_REQ		BIT(22)
21#define IVTV_IRQ_DEC_DMA_COMPLETE	BIT(20)
22#define IVTV_IRQ_DEC_VBI_RE_INSERT	BIT(19)
23#define IVTV_IRQ_DMA_ERR		BIT(18)
24#define IVTV_IRQ_DMA_WRITE		BIT(17)
25#define IVTV_IRQ_DMA_READ		BIT(16)
26#define IVTV_IRQ_DEC_VSYNC		BIT(10)
27
28/* IRQ Masks */
29#define IVTV_IRQ_MASK_INIT (IVTV_IRQ_DMA_ERR|IVTV_IRQ_ENC_DMA_COMPLETE|\
30		IVTV_IRQ_DMA_READ|IVTV_IRQ_ENC_PIO_COMPLETE)
31
32#define IVTV_IRQ_MASK_CAPTURE (IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_EOS)
33#define IVTV_IRQ_MASK_DECODE  (IVTV_IRQ_DEC_DATA_REQ|IVTV_IRQ_DEC_AUD_MODE_CHG)
34
35irqreturn_t ivtv_irq_handler(int irq, void *dev_id);
36
37void ivtv_irq_work_handler(struct kthread_work *work);
38void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock);
39void ivtv_unfinished_dma(struct timer_list *t);
40
41#endif
42