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92 lines
2.9 KiB
92 lines
2.9 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/***************************************************************************** |
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* |
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* Copyright (C) 2008 Cedric Bregardis <[email protected]> and |
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* Jean-Christian Hassler <[email protected]> |
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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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