90 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_DARLA209#define ECHOCARD_NAME "Darla20"10#define ECHOCARD_HAS_MONITOR11 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 1018 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 1025 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 049 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 hw82 supports lists longer than this. In this case periods_max=220 is a83 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