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Linux/sound/pci/echoaudio/darla20.c

  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 const struct pci_device_id 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 

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