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 (0x1 << 31) 14#define IVTV_IRQ_ENC_EOS (0x1 << 30) 15#define IVTV_IRQ_ENC_VBI_CAP (0x1 << 29) 16#define IVTV_IRQ_ENC_VIM_RST (0x1 << 28) 17#define IVTV_IRQ_ENC_DMA_COMPLETE (0x1 << 27) 18#define IVTV_IRQ_ENC_PIO_COMPLETE (0x1 << 25) 19#define IVTV_IRQ_DEC_AUD_MODE_CHG (0x1 << 24) 20#define IVTV_IRQ_DEC_DATA_REQ (0x1 << 22) 21#define IVTV_IRQ_DEC_DMA_COMPLETE (0x1 << 20) 22#define IVTV_IRQ_DEC_VBI_RE_INSERT (0x1 << 19) 23#define IVTV_IRQ_DMA_ERR (0x1 << 18) 24#define IVTV_IRQ_DMA_WRITE (0x1 << 17) 25#define IVTV_IRQ_DMA_READ (0x1 << 16) 26#define IVTV_IRQ_DEC_VSYNC (0x1 << 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 35irqreturn_t ivtv_irq_handler(int irq, void *dev_id); 36 37void ivtv_irq_work_handler(struct kthread_work *work); 38void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock); 39void ivtv_unfinished_dma(struct timer_list *t); 40 41#endif 42