sound/pci/echoaudio/mona.c

Source file repositories/reference/linux-study-clean/sound/pci/echoaudio/mona.c

File Facts

System
Linux kernel
Corpus path
sound/pci/echoaudio/mona.c
Extension
.c
Size
3705 bytes
Lines
133
Domain
Driver Families
Bucket
sound/pci
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  ALSA driver for Echoaudio soundcards.
 *  Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it>
 */

#define ECHO24_FAMILY
#define ECHOCARD_MONA
#define ECHOCARD_NAME "Mona"
#define ECHOCARD_HAS_MONITOR
#define ECHOCARD_HAS_ASIC
#define ECHOCARD_HAS_SUPER_INTERLEAVE
#define ECHOCARD_HAS_DIGITAL_IO
#define ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE
#define ECHOCARD_HAS_DIGITAL_MODE_SWITCH
#define ECHOCARD_HAS_EXTERNAL_CLOCK
#define ECHOCARD_HAS_ADAT	6
#define ECHOCARD_HAS_STEREO_BIG_ENDIAN32

/* Pipe indexes */
#define PX_ANALOG_OUT	0	/* 6 */
#define PX_DIGITAL_OUT	6	/* 8 */
#define PX_ANALOG_IN	14	/* 4 */
#define PX_DIGITAL_IN	18	/* 8 */
#define PX_NUM		26

/* Bus indexes */
#define BX_ANALOG_OUT	0	/* 6 */
#define BX_DIGITAL_OUT	6	/* 8 */
#define BX_ANALOG_IN	14	/* 4 */
#define BX_DIGITAL_IN	18	/* 8 */
#define BX_NUM		26


#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/firmware.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/asoundef.h>
#include <sound/initval.h>
#include <linux/atomic.h>
#include "echoaudio.h"

MODULE_FIRMWARE("ea/loader_dsp.fw");
MODULE_FIRMWARE("ea/mona_301_dsp.fw");
MODULE_FIRMWARE("ea/mona_361_dsp.fw");
MODULE_FIRMWARE("ea/mona_301_1_asic_48.fw");
MODULE_FIRMWARE("ea/mona_301_1_asic_96.fw");
MODULE_FIRMWARE("ea/mona_361_1_asic_48.fw");
MODULE_FIRMWARE("ea/mona_361_1_asic_96.fw");
MODULE_FIRMWARE("ea/mona_2_asic.fw");

#define FW_361_LOADER		0
#define FW_MONA_301_DSP		1
#define FW_MONA_361_DSP		2
#define FW_MONA_301_1_ASIC48	3
#define FW_MONA_301_1_ASIC96	4
#define FW_MONA_361_1_ASIC48	5
#define FW_MONA_361_1_ASIC96	6
#define FW_MONA_2_ASIC		7

static const struct firmware card_fw[] = {
	{0, "loader_dsp.fw"},
	{0, "mona_301_dsp.fw"},
	{0, "mona_361_dsp.fw"},
	{0, "mona_301_1_asic_48.fw"},
	{0, "mona_301_1_asic_96.fw"},
	{0, "mona_361_1_asic_48.fw"},
	{0, "mona_361_1_asic_96.fw"},
	{0, "mona_2_asic.fw"}
};

static const struct pci_device_id snd_echo_ids[] = {
	/* DSP 56301 Mona rev.0 */
	{ PCI_DEVICE_SUB(0x1057, 0x1801, 0xECC0, 0x0070) },
	/* DSP 56301 Mona rev.1 */
	{ PCI_DEVICE_SUB(0x1057, 0x1801, 0xECC0, 0x0071) },
	/* DSP 56301 Mona rev.2 */
	{ PCI_DEVICE_SUB(0x1057, 0x1801, 0xECC0, 0x0072) },
	/* DSP 56361 Mona rev.0 */

Annotation

Implementation Notes