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_DARLA20
9#define ECHOCARD_NAME "Darla20"
10#define ECHOCARD_HAS_MONITOR
11
12/* Pipe indexes */
13#define PX_ANALOG_OUT 0 /* 8 */
14#define PX_DIGITAL_OUT 8 /* 0 */
15#define PX_ANALOG_IN 8 /* 2 */
16#define PX_DIGITAL_IN 10 /* 0 */
17#define PX_NUM 10
18
19/* Bus indexes */
20#define BX_ANALOG_OUT 0 /* 8 */
21#define BX_DIGITAL_OUT 8 /* 0 */
22#define BX_ANALOG_IN 8 /* 2 */
23#define BX_DIGITAL_IN 10 /* 0 */
24#define BX_NUM 10
25
26
27#include <linux/delay.h>
28#include <linux/init.h>
29#include <linux/interrupt.h>
30#include <linux/pci.h>
31#include <linux/module.h>
32#include <linux/firmware.h>
33#include <linux/slab.h>
34#include <linux/io.h>
35#include <sound/core.h>
36#include <sound/info.h>
37#include <sound/control.h>
38#include <sound/tlv.h>
39#include <sound/pcm.h>
40#include <sound/pcm_params.h>
41#include <sound/asoundef.h>
42#include <sound/initval.h>
43#include <linux/atomic.h>
44#include "echoaudio.h"
45
46MODULE_FIRMWARE("ea/darla20_dsp.fw");
47
48#define FW_DARLA20_DSP 0
49
50static const struct firmware card_fw[] = {
51 {0, "darla20_dsp.fw"}
52};
53
54static const struct pci_device_id snd_echo_ids[] = {
55 {0x1057, 0x1801, 0xECC0, 0x0010, 0, 0, 0}, /* DSP 56301 Darla20 rev.0 */
56 {0,}
57};
58
59static const struct snd_pcm_hardware pcm_hardware_skel = {
60 .info = SNDRV_PCM_INFO_MMAP |
61 SNDRV_PCM_INFO_INTERLEAVED |
62 SNDRV_PCM_INFO_BLOCK_TRANSFER |
63 SNDRV_PCM_INFO_MMAP_VALID |
64 SNDRV_PCM_INFO_PAUSE |
65 SNDRV_PCM_INFO_SYNC_START,
66 .formats = SNDRV_PCM_FMTBIT_U8 |
67 SNDRV_PCM_FMTBIT_S16_LE |
68 SNDRV_PCM_FMTBIT_S24_3LE |
69 SNDRV_PCM_FMTBIT_S32_LE |
70 SNDRV_PCM_FMTBIT_S32_BE,
71 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
72 .rate_min = 44100,
73 .rate_max = 48000,
74 .channels_min = 1,
75 .channels_max = 2,
76 .buffer_bytes_max = 262144,
77 .period_bytes_min = 32,
78 .period_bytes_max = 131072,
79 .periods_min = 2,
80 .periods_max = 220,
81 /* One page (4k) contains 512 instructions. I don't know if the hw
82 supports lists longer than this. In this case periods_max=220 is a
83 safe limit to make sure the list never exceeds 512 instructions. */
84};
85
86
87#include "darla20_dsp.c"
88#include "echoaudio_dsp.c"
89#include "echoaudio.c"
90

source code of linux/sound/pci/echoaudio/darla20.c