1 /* 2 * ALSA driver for Echoaudio soundcards. 3 * Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; version 2 of the License. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 */ 18 19 #define ECHOGALS_FAMILY 20 #define ECHOCARD_DARLA24 21 #define ECHOCARD_NAME "Darla24" 22 #define ECHOCARD_HAS_MONITOR 23 #define ECHOCARD_HAS_INPUT_NOMINAL_LEVEL 24 #define ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL 25 #define ECHOCARD_HAS_EXTERNAL_CLOCK 26 #define ECHOCARD_HAS_SUPER_INTERLEAVE 27 28 /* Pipe indexes */ 29 #define PX_ANALOG_OUT 0 /* 8 */ 30 #define PX_DIGITAL_OUT 8 /* 0 */ 31 #define PX_ANALOG_IN 8 /* 2 */ 32 #define PX_DIGITAL_IN 10 /* 0 */ 33 #define PX_NUM 10 34 35 /* Bus indexes */ 36 #define BX_ANALOG_OUT 0 /* 8 */ 37 #define BX_DIGITAL_OUT 8 /* 0 */ 38 #define BX_ANALOG_IN 8 /* 2 */ 39 #define BX_DIGITAL_IN 10 /* 0 */ 40 #define BX_NUM 10 41 42 43 #include <linux/delay.h> 44 #include <linux/init.h> 45 #include <linux/interrupt.h> 46 #include <linux/pci.h> 47 #include <linux/module.h> 48 #include <linux/firmware.h> 49 #include <linux/slab.h> 50 #include <linux/io.h> 51 #include <sound/core.h> 52 #include <sound/info.h> 53 #include <sound/control.h> 54 #include <sound/tlv.h> 55 #include <sound/pcm.h> 56 #include <sound/pcm_params.h> 57 #include <sound/asoundef.h> 58 #include <sound/initval.h> 59 #include <linux/atomic.h> 60 #include "echoaudio.h" 61 62 MODULE_FIRMWARE("ea/darla24_dsp.fw"); 63 64 #define FW_DARLA24_DSP 0 65 66 static const struct firmware card_fw[] = { 67 {0, "darla24_dsp.fw"} 68 }; 69 70 static const struct pci_device_id snd_echo_ids[] = { 71 {0x1057, 0x1801, 0xECC0, 0x0040, 0, 0, 0}, /* DSP 56301 Darla24 rev.0 */ 72 {0x1057, 0x1801, 0xECC0, 0x0041, 0, 0, 0}, /* DSP 56301 Darla24 rev.1 */ 73 {0,} 74 }; 75 76 static struct snd_pcm_hardware pcm_hardware_skel = { 77 .info = SNDRV_PCM_INFO_MMAP | 78 SNDRV_PCM_INFO_INTERLEAVED | 79 SNDRV_PCM_INFO_BLOCK_TRANSFER | 80 SNDRV_PCM_INFO_MMAP_VALID | 81 SNDRV_PCM_INFO_PAUSE | 82 SNDRV_PCM_INFO_SYNC_START, 83 .formats = SNDRV_PCM_FMTBIT_U8 | 84 SNDRV_PCM_FMTBIT_S16_LE | 85 SNDRV_PCM_FMTBIT_S24_3LE | 86 SNDRV_PCM_FMTBIT_S32_LE | 87 SNDRV_PCM_FMTBIT_S32_BE, 88 .rates = SNDRV_PCM_RATE_8000_48000 | 89 SNDRV_PCM_RATE_88200 | 90 SNDRV_PCM_RATE_96000, 91 .rate_min = 8000, 92 .rate_max = 96000, 93 .channels_min = 1, 94 .channels_max = 8, 95 .buffer_bytes_max = 262144, 96 .period_bytes_min = 32, 97 .period_bytes_max = 131072, 98 .periods_min = 2, 99 .periods_max = 220, 100 /* One page (4k) contains 512 instructions. I don't know if the hw 101 supports lists longer than this. In this case periods_max=220 is a 102 safe limit to make sure the list never exceeds 512 instructions. */ 103 }; 104 105 106 #include "darla24_dsp.c" 107 #include "echoaudio_dsp.c" 108 #include "echoaudio.c" 109