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_DARLA24 9 #define ECHOCARD_NAME "Darla24" 10 #define ECHOCARD_HAS_MONITOR 11 #define ECHOCARD_HAS_INPUT_NOMINAL_LEVEL 12 #define ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL 13 #define ECHOCARD_HAS_EXTERNAL_CLOCK 14 #define ECHOCARD_HAS_SUPER_INTERLEAVE 15 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 10 22 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 10 29 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 50 MODULE_FIRMWARE("ea/darla24_dsp.fw"); 51 52 #define FW_DARLA24_DSP 0 53 54 static const struct firmware card_fw[] = { 55 {0, "darla24_dsp.fw"} 56 }; 57 58 static 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 64 static 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 hw 89 supports lists longer than this. In this case periods_max=220 is a 90 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
