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023b915e1f
Based on 1 normalized pattern(s): driver is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation version 2 the [audiowerk2] [alsa] driver is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with the [audiowerk2] [alsa] driver if not write to the free software foundation inc 51 franklin street fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 5 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081201.505559553@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/* 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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