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 <sound/driver.h>
  40 #include <linux/delay.h>
  41 #include <linux/init.h>
  42 #include <linux/interrupt.h>
  43 #include <linux/pci.h>
  44 #include <linux/slab.h>
  45 #include <linux/moduleparam.h>
  46 #include <linux/firmware.h>
  47 #include <sound/core.h>
  48 #include <sound/info.h>
  49 #include <sound/control.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 <asm/atomic.h>
  56 #include "echoaudio.h"
  57
  58 #define FW_DARLA20_DSP  0
  59
  60 static const struct firmware card_fw[] = {
  61         {0, "darla20_dsp.fw"}
  62 };
  63
  64 static struct pci_device_id snd_echo_ids[] = {
  65         {0x1057, 0x1801, 0xECC0, 0x0010, 0, 0, 0},      /* DSP 56301 Darla20 rev.0 */
  66         {0,}
  67 };
  68
  69 static struct snd_pcm_hardware pcm_hardware_skel = {
  70         .info = SNDRV_PCM_INFO_MMAP |
  71                 SNDRV_PCM_INFO_INTERLEAVED |
  72                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
  73                 SNDRV_PCM_INFO_MMAP_VALID |
  74                 SNDRV_PCM_INFO_PAUSE |
  75                 SNDRV_PCM_INFO_SYNC_START,
  76         .formats =      SNDRV_PCM_FMTBIT_U8 |
  77                         SNDRV_PCM_FMTBIT_S16_LE |
  78                         SNDRV_PCM_FMTBIT_S24_3LE |
  79                         SNDRV_PCM_FMTBIT_S32_LE |
  80                         SNDRV_PCM_FMTBIT_S32_BE,
  81         .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
  82         .rate_min = 44100,
  83         .rate_max = 48000,
  84         .channels_min = 1,
  85         .channels_max = 2,
  86         .buffer_bytes_max = 262144,
  87         .period_bytes_min = 32,
  88         .period_bytes_max = 131072,
  89         .periods_min = 2,
  90         .periods_max = 220,
  91         /* One page (4k) contains 512 instructions. I don't know if the hw
  92         supports lists longer than this. In this case periods_max=220 is a
  93         safe limit to make sure the list never exceeds 512 instructions. */
  94 };
  95
  96
  97 #include "darla20_dsp.c"
  98 #include "echoaudio_dsp.c"
  99 #include "echoaudio.c"