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 
47 irqreturn_t ivtv_irq_handler(int irq, void *dev_id);
48 
49 void ivtv_irq_work_handler(struct kthread_work *work);
50 void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock);
51 void ivtv_unfinished_dma(unsigned long arg);
52 
53 #endif
54