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

   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
  35 irqreturn_t ivtv_irq_handler(int irq, void *dev_id);
  36
  37 void ivtv_irq_work_handler(struct kthread_work *work);
  38 void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock);
  39 void ivtv_unfinished_dma(struct timer_list *t);
  40
  41 #endif