release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/media/video/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
  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