97 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * ALSA driver for Echoaudio soundcards.4 * Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it>5 */6 7#define ECHOGALS_FAMILY8#define ECHOCARD_DARLA249#define ECHOCARD_NAME "Darla24"10#define ECHOCARD_HAS_MONITOR11#define ECHOCARD_HAS_INPUT_NOMINAL_LEVEL12#define ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL13#define ECHOCARD_HAS_EXTERNAL_CLOCK14#define ECHOCARD_HAS_SUPER_INTERLEAVE15 16/* Pipe indexes */17#define PX_ANALOG_OUT 0 /* 8 */18#define PX_DIGITAL_OUT 8 /* 0 */19#define PX_ANALOG_IN 8 /* 2 */20#define PX_DIGITAL_IN 10 /* 0 */21#define PX_NUM 1022 23/* Bus indexes */24#define BX_ANALOG_OUT 0 /* 8 */25#define BX_DIGITAL_OUT 8 /* 0 */26#define BX_ANALOG_IN 8 /* 2 */27#define BX_DIGITAL_IN 10 /* 0 */28#define BX_NUM 1029 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/darla24_dsp.fw");51 52#define FW_DARLA24_DSP 053 54static const struct firmware card_fw[] = {55 {0, "darla24_dsp.fw"}56};57 58static const struct pci_device_id snd_echo_ids[] = {59 {0x1057, 0x1801, 0xECC0, 0x0040, 0, 0, 0}, /* DSP 56301 Darla24 rev.0 */60 {0x1057, 0x1801, 0xECC0, 0x0041, 0, 0, 0}, /* DSP 56301 Darla24 rev.1 */61 {0,}62};63 64static const struct snd_pcm_hardware pcm_hardware_skel = {65 .info = SNDRV_PCM_INFO_MMAP |66 SNDRV_PCM_INFO_INTERLEAVED |67 SNDRV_PCM_INFO_BLOCK_TRANSFER |68 SNDRV_PCM_INFO_MMAP_VALID |69 SNDRV_PCM_INFO_PAUSE |70 SNDRV_PCM_INFO_SYNC_START,71 .formats = SNDRV_PCM_FMTBIT_U8 |72 SNDRV_PCM_FMTBIT_S16_LE |73 SNDRV_PCM_FMTBIT_S24_3LE |74 SNDRV_PCM_FMTBIT_S32_LE |75 SNDRV_PCM_FMTBIT_S32_BE,76 .rates = SNDRV_PCM_RATE_8000_48000 |77 SNDRV_PCM_RATE_88200 |78 SNDRV_PCM_RATE_96000,79 .rate_min = 8000,80 .rate_max = 96000,81 .channels_min = 1,82 .channels_max = 8,83 .buffer_bytes_max = 262144,84 .period_bytes_min = 32,85 .period_bytes_max = 131072,86 .periods_min = 2,87 .periods_max = 220,88 /* One page (4k) contains 512 instructions. I don't know if the hw89 supports lists longer than this. In this case periods_max=220 is a90 safe limit to make sure the list never exceeds 512 instructions. */91};92 93 94#include "darla24_dsp.c"95#include "echoaudio_dsp.c"96#include "echoaudio.c"97