linux/linux-5.4.31/drivers/media/pci/ivtv/ivtv-irq.h

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2024-01-30 10:43:28 +00:00
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
interrupt handling
Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
Copyright (C) 2004 Chris Kennedy <c@groovy.org>
Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
*/
#ifndef IVTV_IRQ_H
#define IVTV_IRQ_H
#define IVTV_IRQ_ENC_START_CAP BIT(31)
#define IVTV_IRQ_ENC_EOS BIT(30)
#define IVTV_IRQ_ENC_VBI_CAP BIT(29)
#define IVTV_IRQ_ENC_VIM_RST BIT(28)
#define IVTV_IRQ_ENC_DMA_COMPLETE BIT(27)
#define IVTV_IRQ_ENC_PIO_COMPLETE BIT(25)
#define IVTV_IRQ_DEC_AUD_MODE_CHG BIT(24)
#define IVTV_IRQ_DEC_DATA_REQ BIT(22)
#define IVTV_IRQ_DEC_DMA_COMPLETE BIT(20)
#define IVTV_IRQ_DEC_VBI_RE_INSERT BIT(19)
#define IVTV_IRQ_DMA_ERR BIT(18)
#define IVTV_IRQ_DMA_WRITE BIT(17)
#define IVTV_IRQ_DMA_READ BIT(16)
#define IVTV_IRQ_DEC_VSYNC BIT(10)
/* IRQ Masks */
#define IVTV_IRQ_MASK_INIT (IVTV_IRQ_DMA_ERR|IVTV_IRQ_ENC_DMA_COMPLETE|\
IVTV_IRQ_DMA_READ|IVTV_IRQ_ENC_PIO_COMPLETE)
#define IVTV_IRQ_MASK_CAPTURE (IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_EOS)
#define IVTV_IRQ_MASK_DECODE (IVTV_IRQ_DEC_DATA_REQ|IVTV_IRQ_DEC_AUD_MODE_CHG)
irqreturn_t ivtv_irq_handler(int irq, void *dev_id);
void ivtv_irq_work_handler(struct kthread_work *work);
void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock);
void ivtv_unfinished_dma(struct timer_list *t);
#endif