From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- sound/oss/vidc.h | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 sound/oss/vidc.h (limited to 'sound/oss/vidc.h') diff --git a/sound/oss/vidc.h b/sound/oss/vidc.h new file mode 100644 index 000000000..0d1424751 --- /dev/null +++ b/sound/oss/vidc.h @@ -0,0 +1,63 @@ +/* + * linux/drivers/sound/vidc.h + * + * Copyright (C) 1997 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * VIDC sound function prototypes + */ + +/* vidc_fill.S */ + +/* + * Filler routines for different channels and sample sizes + */ + +extern unsigned long vidc_fill_1x8_u(unsigned long ibuf, unsigned long iend, + unsigned long obuf, int mask); +extern unsigned long vidc_fill_2x8_u(unsigned long ibuf, unsigned long iend, + unsigned long obuf, int mask); +extern unsigned long vidc_fill_1x8_s(unsigned long ibuf, unsigned long iend, + unsigned long obuf, int mask); +extern unsigned long vidc_fill_2x8_s(unsigned long ibuf, unsigned long iend, + unsigned long obuf, int mask); +extern unsigned long vidc_fill_1x16_s(unsigned long ibuf, unsigned long iend, + unsigned long obuf, int mask); +extern unsigned long vidc_fill_2x16_s(unsigned long ibuf, unsigned long iend, + unsigned long obuf, int mask); + +/* + * DMA Interrupt handler + */ + +extern irqreturn_t vidc_sound_dma_irq(int irqnr, void *ref); + +/* + * Filler routine pointer + */ + +extern unsigned long (*vidc_filler) (unsigned long ibuf, unsigned long iend, + unsigned long obuf, int mask); + +/* + * Virtual DMA buffer exhausted + */ + +extern irqreturn_t (*dma_interrupt) (void); + +/* + * Virtual DMA buffer addresses + */ + +extern unsigned long dma_start, dma_count, dma_bufsize; +extern unsigned long dma_buf[2], dma_pbuf[2]; + +/* vidc_synth.c */ + +extern void vidc_synth_init(struct address_info *hw_config); +extern void vidc_synth_exit(struct address_info *hw_config); +extern int vidc_synth_get_volume(void); +extern int vidc_synth_set_volume(int vol); -- cgit v1.2.3-54-g00ecf