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 46 MODULE_FIRMWARE("ea/darla20_dsp.fw"); 47 48 #define FW_DARLA20_DSP 0 49 50 static const struct firmware card_fw[] = { 51 {0, "darla20_dsp.fw"} 52 }; 53 54 static 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 59 static 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
