LXR linux/drivers/media/pci/ivtv/ivtv-irq.h

   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