18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only
28c2ecf20Sopenharmony_ci/*
38c2ecf20Sopenharmony_ci *  ALSA driver for Echoaudio soundcards.
48c2ecf20Sopenharmony_ci *  Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it>
58c2ecf20Sopenharmony_ci */
68c2ecf20Sopenharmony_ci
78c2ecf20Sopenharmony_ci#define ECHOGALS_FAMILY
88c2ecf20Sopenharmony_ci#define ECHOCARD_DARLA20
98c2ecf20Sopenharmony_ci#define ECHOCARD_NAME "Darla20"
108c2ecf20Sopenharmony_ci#define ECHOCARD_HAS_MONITOR
118c2ecf20Sopenharmony_ci
128c2ecf20Sopenharmony_ci/* Pipe indexes */
138c2ecf20Sopenharmony_ci#define PX_ANALOG_OUT	0	/* 8 */
148c2ecf20Sopenharmony_ci#define PX_DIGITAL_OUT	8	/* 0 */
158c2ecf20Sopenharmony_ci#define PX_ANALOG_IN	8	/* 2 */
168c2ecf20Sopenharmony_ci#define PX_DIGITAL_IN	10	/* 0 */
178c2ecf20Sopenharmony_ci#define PX_NUM		10
188c2ecf20Sopenharmony_ci
198c2ecf20Sopenharmony_ci/* Bus indexes */
208c2ecf20Sopenharmony_ci#define BX_ANALOG_OUT	0	/* 8 */
218c2ecf20Sopenharmony_ci#define BX_DIGITAL_OUT	8	/* 0 */
228c2ecf20Sopenharmony_ci#define BX_ANALOG_IN	8	/* 2 */
238c2ecf20Sopenharmony_ci#define BX_DIGITAL_IN	10	/* 0 */
248c2ecf20Sopenharmony_ci#define BX_NUM		10
258c2ecf20Sopenharmony_ci
268c2ecf20Sopenharmony_ci
278c2ecf20Sopenharmony_ci#include <linux/delay.h>
288c2ecf20Sopenharmony_ci#include <linux/init.h>
298c2ecf20Sopenharmony_ci#include <linux/interrupt.h>
308c2ecf20Sopenharmony_ci#include <linux/pci.h>
318c2ecf20Sopenharmony_ci#include <linux/module.h>
328c2ecf20Sopenharmony_ci#include <linux/firmware.h>
338c2ecf20Sopenharmony_ci#include <linux/slab.h>
348c2ecf20Sopenharmony_ci#include <linux/io.h>
358c2ecf20Sopenharmony_ci#include <sound/core.h>
368c2ecf20Sopenharmony_ci#include <sound/info.h>
378c2ecf20Sopenharmony_ci#include <sound/control.h>
388c2ecf20Sopenharmony_ci#include <sound/tlv.h>
398c2ecf20Sopenharmony_ci#include <sound/pcm.h>
408c2ecf20Sopenharmony_ci#include <sound/pcm_params.h>
418c2ecf20Sopenharmony_ci#include <sound/asoundef.h>
428c2ecf20Sopenharmony_ci#include <sound/initval.h>
438c2ecf20Sopenharmony_ci#include <linux/atomic.h>
448c2ecf20Sopenharmony_ci#include "echoaudio.h"
458c2ecf20Sopenharmony_ci
468c2ecf20Sopenharmony_ciMODULE_FIRMWARE("ea/darla20_dsp.fw");
478c2ecf20Sopenharmony_ci
488c2ecf20Sopenharmony_ci#define FW_DARLA20_DSP	0
498c2ecf20Sopenharmony_ci
508c2ecf20Sopenharmony_cistatic const struct firmware card_fw[] = {
518c2ecf20Sopenharmony_ci	{0, "darla20_dsp.fw"}
528c2ecf20Sopenharmony_ci};
538c2ecf20Sopenharmony_ci
548c2ecf20Sopenharmony_cistatic const struct pci_device_id snd_echo_ids[] = {
558c2ecf20Sopenharmony_ci	{0x1057, 0x1801, 0xECC0, 0x0010, 0, 0, 0},	/* DSP 56301 Darla20 rev.0 */
568c2ecf20Sopenharmony_ci	{0,}
578c2ecf20Sopenharmony_ci};
588c2ecf20Sopenharmony_ci
598c2ecf20Sopenharmony_cistatic const struct snd_pcm_hardware pcm_hardware_skel = {
608c2ecf20Sopenharmony_ci	.info = SNDRV_PCM_INFO_MMAP |
618c2ecf20Sopenharmony_ci		SNDRV_PCM_INFO_INTERLEAVED |
628c2ecf20Sopenharmony_ci		SNDRV_PCM_INFO_BLOCK_TRANSFER |
638c2ecf20Sopenharmony_ci		SNDRV_PCM_INFO_MMAP_VALID |
648c2ecf20Sopenharmony_ci		SNDRV_PCM_INFO_PAUSE |
658c2ecf20Sopenharmony_ci		SNDRV_PCM_INFO_SYNC_START,
668c2ecf20Sopenharmony_ci	.formats =	SNDRV_PCM_FMTBIT_U8 |
678c2ecf20Sopenharmony_ci			SNDRV_PCM_FMTBIT_S16_LE |
688c2ecf20Sopenharmony_ci			SNDRV_PCM_FMTBIT_S24_3LE |
698c2ecf20Sopenharmony_ci			SNDRV_PCM_FMTBIT_S32_LE |
708c2ecf20Sopenharmony_ci			SNDRV_PCM_FMTBIT_S32_BE,
718c2ecf20Sopenharmony_ci	.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
728c2ecf20Sopenharmony_ci	.rate_min = 44100,
738c2ecf20Sopenharmony_ci	.rate_max = 48000,
748c2ecf20Sopenharmony_ci	.channels_min = 1,
758c2ecf20Sopenharmony_ci	.channels_max = 2,
768c2ecf20Sopenharmony_ci	.buffer_bytes_max = 262144,
778c2ecf20Sopenharmony_ci	.period_bytes_min = 32,
788c2ecf20Sopenharmony_ci	.period_bytes_max = 131072,
798c2ecf20Sopenharmony_ci	.periods_min = 2,
808c2ecf20Sopenharmony_ci	.periods_max = 220,
818c2ecf20Sopenharmony_ci	/* One page (4k) contains 512 instructions. I don't know if the hw
828c2ecf20Sopenharmony_ci	supports lists longer than this. In this case periods_max=220 is a
838c2ecf20Sopenharmony_ci	safe limit to make sure the list never exceeds 512 instructions. */
848c2ecf20Sopenharmony_ci};
858c2ecf20Sopenharmony_ci
868c2ecf20Sopenharmony_ci
878c2ecf20Sopenharmony_ci#include "darla20_dsp.c"
888c2ecf20Sopenharmony_ci#include "echoaudio_dsp.c"
898c2ecf20Sopenharmony_ci#include "echoaudio.c"
90