1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * ALSA driver for Echoaudio soundcards.
4 * Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it>
5 */
6
7#define ECHOGALS_FAMILY
8#define ECHOCARD_GINA20
9#define ECHOCARD_NAME "Gina20"
10#define ECHOCARD_HAS_MONITOR
11#define ECHOCARD_HAS_INPUT_GAIN
12#define ECHOCARD_HAS_DIGITAL_IO
13#define ECHOCARD_HAS_EXTERNAL_CLOCK
14#define ECHOCARD_HAS_ADAT false
15
16/* Pipe indexes */
17#define PX_ANALOG_OUT 0 /* 8 */
18#define PX_DIGITAL_OUT 8 /* 2 */
19#define PX_ANALOG_IN 10 /* 2 */
20#define PX_DIGITAL_IN 12 /* 2 */
21#define PX_NUM 14
22
23/* Bus indexes */
24#define BX_ANALOG_OUT 0 /* 8 */
25#define BX_DIGITAL_OUT 8 /* 2 */
26#define BX_ANALOG_IN 10 /* 2 */
27#define BX_DIGITAL_IN 12 /* 2 */
28#define BX_NUM 14
29
30
31#include <linux/delay.h>
32#include <linux/init.h>
33#include <linux/interrupt.h>
34#include <linux/pci.h>
35#include <linux/module.h>
36#include <linux/firmware.h>
37#include <linux/slab.h>
38#include <linux/io.h>
39#include <sound/core.h>
40#include <sound/info.h>
41#include <sound/control.h>
42#include <sound/tlv.h>
43#include <sound/pcm.h>
44#include <sound/pcm_params.h>
45#include <sound/asoundef.h>
46#include <sound/initval.h>
47#include <linux/atomic.h>
48#include "echoaudio.h"
49
50MODULE_FIRMWARE("ea/gina20_dsp.fw");
51
52#define FW_GINA20_DSP 0
53
54static const struct firmware card_fw[] = {
55 {0, "gina20_dsp.fw"}
56};
57
58static const struct pci_device_id snd_echo_ids[] = {
59 {0x1057, 0x1801, 0xECC0, 0x0020, 0, 0, 0}, /* DSP 56301 Gina20 rev.0 */
60 {0,}
61};
62
63static const struct snd_pcm_hardware pcm_hardware_skel = {
64 .info = SNDRV_PCM_INFO_MMAP |
65 SNDRV_PCM_INFO_INTERLEAVED |
66 SNDRV_PCM_INFO_BLOCK_TRANSFER |
67 SNDRV_PCM_INFO_MMAP_VALID |
68 SNDRV_PCM_INFO_PAUSE |
69 SNDRV_PCM_INFO_SYNC_START,
70 .formats = SNDRV_PCM_FMTBIT_U8 |
71 SNDRV_PCM_FMTBIT_S16_LE |
72 SNDRV_PCM_FMTBIT_S24_3LE |
73 SNDRV_PCM_FMTBIT_S32_LE |
74 SNDRV_PCM_FMTBIT_S32_BE,
75 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
76 .rate_min = 44100,
77 .rate_max = 48000,
78 .channels_min = 1,
79 .channels_max = 2,
80 .buffer_bytes_max = 262144,
81 .period_bytes_min = 32,
82 .period_bytes_max = 131072,
83 .periods_min = 2,
84 .periods_max = 220,
85 /* One page (4k) contains 512 instructions. I don't know if the hw
86 supports lists longer than this. In this case periods_max=220 is a
87 safe limit to make sure the list never exceeds 512 instructions. */
88};
89
90
91#include "gina20_dsp.c"
92#include "echoaudio_dsp.c"
93#include "echoaudio.c"
94

source code of linux/sound/pci/echoaudio/gina20.c