release/src-rt-6.x.4708/linux/linux-2.6.36/sound/pci/echoaudio/darla24.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_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/moduleparam.h>
  48 #include <linux/firmware.h>
  49 #include <linux/slab.h>
  50 #include <sound/core.h>
  51 #include <sound/info.h>
  52 #include <sound/control.h>
  53 #include <sound/tlv.h>
  54 #include <sound/pcm.h>
  55 #include <sound/pcm_params.h>
  56 #include <sound/asoundef.h>
  57 #include <sound/initval.h>
  58 #include <asm/io.h>
  59 #include <asm/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 DEFINE_PCI_DEVICE_TABLE(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"