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_DARLA20 21 #define ECHOCARD_NAME "Darla20" 22 #define ECHOCARD_HAS_MONITOR 23 24 /* Pipe indexes */ 25 #define PX_ANALOG_OUT 0 /* 8 */ 26 #define PX_DIGITAL_OUT 8 /* 0 */ 27 #define PX_ANALOG_IN 8 /* 2 */ 28 #define PX_DIGITAL_IN 10 /* 0 */ 29 #define PX_NUM 10 30 31 /* Bus indexes */ 32 #define BX_ANALOG_OUT 0 /* 8 */ 33 #define BX_DIGITAL_OUT 8 /* 0 */ 34 #define BX_ANALOG_IN 8 /* 2 */ 35 #define BX_DIGITAL_IN 10 /* 0 */ 36 #define BX_NUM 10 37 38 39 #include <linux/delay.h> 40 #include <linux/init.h> 41 #include <linux/interrupt.h> 42 #include <linux/pci.h> 43 #include <linux/module.h> 44 #include <linux/firmware.h> 45 #include <linux/slab.h> 46 #include <sound/core.h> 47 #include <sound/info.h> 48 #include <sound/control.h> 49 #include <sound/tlv.h> 50 #include <sound/pcm.h> 51 #include <sound/pcm_params.h> 52 #include <sound/asoundef.h> 53 #include <sound/initval.h> 54 #include <asm/io.h> 55 #include <linux/atomic.h> 56 #include "echoaudio.h" 57 58 MODULE_FIRMWARE("ea/darla20_dsp.fw"); 59 60 #define FW_DARLA20_DSP 0 61 62 static const struct firmware card_fw[] = { 63 {0, "darla20_dsp.fw"} 64 }; 65 66 static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { 67 {0x1057, 0x1801, 0xECC0, 0x0010, 0, 0, 0}, /* DSP 56301 Darla20 rev.0 */ 68 {0,} 69 }; 70 71 static struct snd_pcm_hardware pcm_hardware_skel = { 72 .info = SNDRV_PCM_INFO_MMAP | 73 SNDRV_PCM_INFO_INTERLEAVED | 74 SNDRV_PCM_INFO_BLOCK_TRANSFER | 75 SNDRV_PCM_INFO_MMAP_VALID | 76 SNDRV_PCM_INFO_PAUSE | 77 SNDRV_PCM_INFO_SYNC_START, 78 .formats = SNDRV_PCM_FMTBIT_U8 | 79 SNDRV_PCM_FMTBIT_S16_LE | 80 SNDRV_PCM_FMTBIT_S24_3LE | 81 SNDRV_PCM_FMTBIT_S32_LE | 82 SNDRV_PCM_FMTBIT_S32_BE, 83 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, 84 .rate_min = 44100, 85 .rate_max = 48000, 86 .channels_min = 1, 87 .channels_max = 2, 88 .buffer_bytes_max = 262144, 89 .period_bytes_min = 32, 90 .period_bytes_max = 131072, 91 .periods_min = 2, 92 .periods_max = 220, 93 /* One page (4k) contains 512 instructions. I don't know if the hw 94 supports lists longer than this. In this case periods_max=220 is a 95 safe limit to make sure the list never exceeds 512 instructions. */ 96 }; 97 98 99 #include "darla20_dsp.c" 100 #include "echoaudio_dsp.c" 101 #include "echoaudio.c" 102