1/*
2    interrupt handling
3    Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
4    Copyright (C) 2004  Chris Kennedy <c@groovy.org>
5    Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    You should have received a copy of the GNU General Public License
18    along with this program; if not, write to the Free Software
19    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20 */
21
22#ifndef IVTV_IRQ_H
23#define IVTV_IRQ_H
24
25#define IVTV_IRQ_ENC_START_CAP		(0x1 << 31)
26#define IVTV_IRQ_ENC_EOS		(0x1 << 30)
27#define IVTV_IRQ_ENC_VBI_CAP		(0x1 << 29)
28#define IVTV_IRQ_ENC_VIM_RST		(0x1 << 28)
29#define IVTV_IRQ_ENC_DMA_COMPLETE	(0x1 << 27)
30#define IVTV_IRQ_ENC_PIO_COMPLETE	(0x1 << 25)
31#define IVTV_IRQ_DEC_AUD_MODE_CHG	(0x1 << 24)
32#define IVTV_IRQ_DEC_DATA_REQ		(0x1 << 22)
33#define IVTV_IRQ_DEC_DMA_COMPLETE	(0x1 << 20)
34#define IVTV_IRQ_DEC_VBI_RE_INSERT	(0x1 << 19)
35#define IVTV_IRQ_DMA_ERR		(0x1 << 18)
36#define IVTV_IRQ_DMA_WRITE		(0x1 << 17)
37#define IVTV_IRQ_DMA_READ		(0x1 << 16)
38#define IVTV_IRQ_DEC_VSYNC		(0x1 << 10)
39
40/* IRQ Masks */
41#define IVTV_IRQ_MASK_INIT (IVTV_IRQ_DMA_ERR|IVTV_IRQ_ENC_DMA_COMPLETE|\
42		IVTV_IRQ_DMA_READ|IVTV_IRQ_ENC_PIO_COMPLETE)
43
44#define IVTV_IRQ_MASK_CAPTURE (IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_EOS)
45#define IVTV_IRQ_MASK_DECODE  (IVTV_IRQ_DEC_DATA_REQ|IVTV_IRQ_DEC_AUD_MODE_CHG)
46
47irqreturn_t ivtv_irq_handler(int irq, void *dev_id);
48
49void ivtv_irq_work_handler(struct kthread_work *work);
50void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock);
51void ivtv_unfinished_dma(unsigned long arg);
52
53#endif
54