93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*****************************************************************************
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*
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* Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
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* Jean-Christian Hassler <jhassler@free.fr>
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*
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* This file is part of the Audiowerk2 ALSA driver
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*
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*****************************************************************************/
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#ifndef AW2_SAA7146_H
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#define AW2_SAA7146_H
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#define NB_STREAM_PLAYBACK 2
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#define NB_STREAM_CAPTURE 1
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#define NUM_STREAM_PLAYBACK_ANA 0
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#define NUM_STREAM_PLAYBACK_DIG 1
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#define NUM_STREAM_CAPTURE_ANA 0
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typedef void (*snd_aw2_saa7146_it_cb) (void *);
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struct snd_aw2_saa7146_cb_param {
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snd_aw2_saa7146_it_cb p_it_callback;
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void *p_callback_param;
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};
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/* definition of the chip-specific record */
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struct snd_aw2_saa7146 {
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void __iomem *base_addr;
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};
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extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip,
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void __iomem *pci_base_addr);
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extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip);
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extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip,
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int stream_number,
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unsigned long dma_addr,
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unsigned long period_size,
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unsigned long buffer_size);
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extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip,
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int stream_number,
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unsigned long dma_addr,
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unsigned long period_size,
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unsigned long buffer_size);
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extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int
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stream_number,
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snd_aw2_saa7146_it_cb
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p_it_callback,
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void *p_callback_param);
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extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int
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stream_number,
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snd_aw2_saa7146_it_cb
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p_it_callback,
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void *p_callback_param);
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extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146
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*chip, int stream_number);
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extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146
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*chip, int stream_number);
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extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146
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*chip,
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int stream_number);
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extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146
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*chip, int stream_number);
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extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id);
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extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146
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*chip,
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int stream_number,
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unsigned char
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*start_addr,
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unsigned int
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buffer_size);
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extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146
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*chip,
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int stream_number,
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unsigned char
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*start_addr,
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unsigned int
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buffer_size);
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extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip,
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int use_digital);
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extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146
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*chip);
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#endif
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