linux/sound/pci/lx6464es/lx6464es.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* -*- linux-c -*- *
 *
 * ALSA driver for the digigram lx6464es interface
 *
 * Copyright (c) 2008, 2009 Tim Blechmann <[email protected]>
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/slab.h>

#include <sound/initval.h>
#include <sound/control.h>
#include <sound/info.h>

#include "lx6464es.h"

MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;

static int index[SNDRV_CARDS] = …;
static char *id[SNDRV_CARDS] = …;
static bool enable[SNDRV_CARDS] = …;

module_param_array(…);
MODULE_PARM_DESC(…) …;
module_param_array(…);
MODULE_PARM_DESC(…) …;
module_param_array(…);
MODULE_PARM_DESC(…) …;

static const char card_name[] = …;


#define PCI_DEVICE_ID_PLX_LX6464ES …

static const struct pci_device_id snd_lx6464es_ids[] = …;

MODULE_DEVICE_TABLE(pci, snd_lx6464es_ids);



/* PGO pour USERo dans le registre pci_0x06/loc_0xEC */
#define CHIPSC_RESET_XILINX …


/* alsa callbacks */
static const struct snd_pcm_hardware lx_caps = …;

static int lx_set_granularity(struct lx6464es *chip, u32 gran);


static int lx_hardware_open(struct lx6464es *chip,
			    struct snd_pcm_substream *substream)
{ … }

static int lx_hardware_start(struct lx6464es *chip,
			     struct snd_pcm_substream *substream)
{ … }


static int lx_hardware_stop(struct lx6464es *chip,
			    struct snd_pcm_substream *substream)
{ … }


static int lx_hardware_close(struct lx6464es *chip,
			     struct snd_pcm_substream *substream)
{ … }


static int lx_pcm_open(struct snd_pcm_substream *substream)
{ … }

static int lx_pcm_close(struct snd_pcm_substream *substream)
{ … }

static snd_pcm_uframes_t lx_pcm_stream_pointer(struct snd_pcm_substream
					       *substream)
{ … }

static int lx_pcm_prepare(struct snd_pcm_substream *substream)
{ … }

static int lx_pcm_hw_params(struct snd_pcm_substream *substream,
			    struct snd_pcm_hw_params *hw_params, int is_capture)
{ … }

static int lx_pcm_hw_params_playback(struct snd_pcm_substream *substream,
				 struct snd_pcm_hw_params *hw_params)
{ … }

static int lx_pcm_hw_params_capture(struct snd_pcm_substream *substream,
				 struct snd_pcm_hw_params *hw_params)
{ … }

static int lx_pcm_hw_free(struct snd_pcm_substream *substream)
{ … }

static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream)
{ … }

static void lx_trigger_stop(struct lx6464es *chip, struct lx_stream *lx_stream)
{ … }

static void lx_trigger_dispatch_stream(struct lx6464es *chip,
				       struct lx_stream *lx_stream)
{ … }

static int lx_pcm_trigger_dispatch(struct lx6464es *chip,
				   struct lx_stream *lx_stream, int cmd)
{ … }


static int lx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{ … }

static void snd_lx6464es_free(struct snd_card *card)
{ … }

/* reset the dsp during initialization */
static int lx_init_xilinx_reset(struct lx6464es *chip)
{ … }

static int lx_init_xilinx_test(struct lx6464es *chip)
{ … }

/* initialize ethersound */
static int lx_init_ethersound_config(struct lx6464es *chip)
{ … }

static int lx_init_get_version_features(struct lx6464es *chip)
{ … }

static int lx_set_granularity(struct lx6464es *chip, u32 gran)
{ … }

/* initialize and test the xilinx dsp chip */
static int lx_init_dsp(struct lx6464es *chip)
{ … }

static const struct snd_pcm_ops lx_ops_playback = …;

static const struct snd_pcm_ops lx_ops_capture = …;

static int lx_pcm_create(struct lx6464es *chip)
{ … }

static int lx_control_playback_info(struct snd_kcontrol *kcontrol,
				    struct snd_ctl_elem_info *uinfo)
{ … }

static int lx_control_playback_get(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{ … }

static int lx_control_playback_put(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{ … }

static const struct snd_kcontrol_new lx_control_playback_switch = …;



static void lx_proc_levels_read(struct snd_info_entry *entry,
				struct snd_info_buffer *buffer)
{ … }

static int lx_proc_create(struct snd_card *card, struct lx6464es *chip)
{ … }


static int snd_lx6464es_create(struct snd_card *card,
			       struct pci_dev *pci)
{ … }

static int snd_lx6464es_probe(struct pci_dev *pci,
			      const struct pci_device_id *pci_id)
{ … }

static struct pci_driver lx6464es_driver = …;

module_pci_driver(…) …;