linux/sound/pci/aw2/aw2-saa7146.c

// SPDX-License-Identifier: GPL-2.0-only
/*****************************************************************************
 *
 * Copyright (C) 2008 Cedric Bregardis <[email protected]> and
 * Jean-Christian Hassler <[email protected]>
 *
 * This file is part of the Audiowerk2 ALSA driver
 *
 *****************************************************************************/

#define AW2_SAA7146_M

#include <linux/init.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>

#include "saa7146.h"
#include "aw2-saa7146.h"

#include "aw2-tsl.c"

#define WRITEREG(value, addr) …
#define READREG(addr) …

static struct snd_aw2_saa7146_cb_param
 arr_substream_it_playback_cb[NB_STREAM_PLAYBACK];
static struct snd_aw2_saa7146_cb_param
 arr_substream_it_capture_cb[NB_STREAM_CAPTURE];

static int snd_aw2_saa7146_get_limit(int size);

/* chip-specific destructor */
int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip)
{ … }

void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip,
			   void __iomem *pci_base_addr)
{ … }

void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip,
				       int stream_number,
				       unsigned long dma_addr,
				       unsigned long period_size,
				       unsigned long buffer_size)
{ … }

void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip,
				      int stream_number, unsigned long dma_addr,
				      unsigned long period_size,
				      unsigned long buffer_size)
{ … }

void snd_aw2_saa7146_define_it_playback_callback(unsigned int stream_number,
						 snd_aw2_saa7146_it_cb
						 p_it_callback,
						 void *p_callback_param)
{ … }

void snd_aw2_saa7146_define_it_capture_callback(unsigned int stream_number,
						snd_aw2_saa7146_it_cb
						p_it_callback,
						void *p_callback_param)
{ … }

void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146 *chip,
						int stream_number)
{ … }

void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146 *chip,
					       int stream_number)
{ … }

void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146 *chip,
					       int stream_number)
{ … }

void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146 *chip,
					      int stream_number)
{ … }

irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id)
{ … }

unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146 *chip,
						 int stream_number,
						 unsigned char *start_addr,
						 unsigned int buffer_size)
{ … }

unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146 *chip,
						int stream_number,
						unsigned char *start_addr,
						unsigned int buffer_size)
{ … }

void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip,
				       int use_digital)
{ … }

int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146 *chip)
{ … }


static int snd_aw2_saa7146_get_limit(int size)
{ … }