/*
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/*
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* sound/vidc.h
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* sound/vidc.h
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*
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*
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* VIDC sound function prototypes
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* VIDC sound function prototypes
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*
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*
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* Copyright (C) 1997 Russell King
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* Copyright (C) 1997 Russell King
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*/
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*/
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/* vidc.c */
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/* vidc.c */
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extern int vidc_busy;
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extern int vidc_busy;
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/* vidc_fill.S */
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/* vidc_fill.S */
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/*
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/*
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* Filler routines for different channels and sample sizes
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* Filler routines for different channels and sample sizes
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*/
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*/
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extern unsigned long vidc_fill_1x8_u(unsigned long ibuf, unsigned long iend,
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extern unsigned long vidc_fill_1x8_u(unsigned long ibuf, unsigned long iend,
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unsigned long obuf, int mask);
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unsigned long obuf, int mask);
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extern unsigned long vidc_fill_2x8_u(unsigned long ibuf, unsigned long iend,
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extern unsigned long vidc_fill_2x8_u(unsigned long ibuf, unsigned long iend,
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unsigned long obuf, int mask);
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unsigned long obuf, int mask);
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extern unsigned long vidc_fill_1x8_s(unsigned long ibuf, unsigned long iend,
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extern unsigned long vidc_fill_1x8_s(unsigned long ibuf, unsigned long iend,
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unsigned long obuf, int mask);
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unsigned long obuf, int mask);
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extern unsigned long vidc_fill_2x8_s(unsigned long ibuf, unsigned long iend,
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extern unsigned long vidc_fill_2x8_s(unsigned long ibuf, unsigned long iend,
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unsigned long obuf, int mask);
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unsigned long obuf, int mask);
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extern unsigned long vidc_fill_1x16_s(unsigned long ibuf, unsigned long iend,
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extern unsigned long vidc_fill_1x16_s(unsigned long ibuf, unsigned long iend,
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unsigned long obuf, int mask);
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unsigned long obuf, int mask);
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extern unsigned long vidc_fill_2x16_s(unsigned long ibuf, unsigned long iend,
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extern unsigned long vidc_fill_2x16_s(unsigned long ibuf, unsigned long iend,
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unsigned long obuf, int mask);
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unsigned long obuf, int mask);
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/*
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/*
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* DMA Interrupt handler
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* DMA Interrupt handler
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*/
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*/
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extern void vidc_sound_dma_irq (int irqnr, void *ref, struct pt_regs *regs);
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extern void vidc_sound_dma_irq (int irqnr, void *ref, struct pt_regs *regs);
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/*
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/*
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* Filler routine pointer
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* Filler routine pointer
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*/
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*/
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extern unsigned long (*vidc_filler) (unsigned long ibuf, unsigned long iend,
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extern unsigned long (*vidc_filler) (unsigned long ibuf, unsigned long iend,
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unsigned long obuf, int mask);
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unsigned long obuf, int mask);
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/*
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/*
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* Virtual DMA buffer exhausted
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* Virtual DMA buffer exhausted
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*/
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*/
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extern void (*dma_interrupt)(void);
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extern void (*dma_interrupt)(void);
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/*
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/*
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* Virtual DMA buffer addresses
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* Virtual DMA buffer addresses
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*/
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*/
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extern unsigned long dma_start, dma_count, dma_bufsize;
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extern unsigned long dma_start, dma_count, dma_bufsize;
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extern unsigned long dma_buf[2], dma_pbuf[2];
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extern unsigned long dma_buf[2], dma_pbuf[2];
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/* vidc_audio.c */
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/* vidc_audio.c */
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extern void vidc_audio_init (struct address_info *hw_config);
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extern void vidc_audio_init (struct address_info *hw_config);
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extern int vidc_audio_get_volume (void);
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extern int vidc_audio_get_volume (void);
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extern int vidc_audio_set_volume (int vol);
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extern int vidc_audio_set_volume (int vol);
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/* vidc_mixer.c */
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/* vidc_mixer.c */
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extern void vidc_mixer_init (struct address_info *hw_config);
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extern void vidc_mixer_init (struct address_info *hw_config);
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/* vidc_synth.c */
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/* vidc_synth.c */
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extern void vidc_synth_init (struct address_info *hw_config);
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extern void vidc_synth_init (struct address_info *hw_config);
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extern int vidc_synth_get_volume (void);
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extern int vidc_synth_get_volume (void);
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extern int vidc_synth_set_volume (int vol);
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extern int vidc_synth_set_volume (int vol);
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