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791cdc7c56
removes an extern for a static variable. Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/*
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* linux/drivers/sound/vidc.h
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*
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* Copyright (C) 1997 Russell King <rmk@arm.linux.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* VIDC sound function prototypes
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*/
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/* vidc_fill.S */
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/*
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* Filler routines for different channels and sample sizes
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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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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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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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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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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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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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unsigned long obuf, int mask);
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/*
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* DMA Interrupt handler
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*/
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extern irqreturn_t vidc_sound_dma_irq(int irqnr, void *ref, struct pt_regs *regs);
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/*
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* Filler routine pointer
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*/
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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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/*
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* Virtual DMA buffer exhausted
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*/
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extern irqreturn_t (*dma_interrupt) (void);
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/*
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* Virtual DMA buffer addresses
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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_buf[2], dma_pbuf[2];
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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_exit(struct address_info *hw_config);
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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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