diff options
Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-irq.h')
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-irq.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-irq.h b/drivers/media/pci/ivtv/ivtv-irq.h new file mode 100644 index 000000000..b8b0703a1 --- /dev/null +++ b/drivers/media/pci/ivtv/ivtv-irq.h @@ -0,0 +1,41 @@ +/* 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 |