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kernel/linux-imx6_3.14.28/sound/pci/echoaudio/layla20.c 3.34 KB
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  /*
   *  ALSA driver for Echoaudio soundcards.
   *  Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it>
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; version 2 of the License.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with this program; if not, write to the Free Software
   *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   */
  
  #define ECHOGALS_FAMILY
  #define ECHOCARD_LAYLA20
  #define ECHOCARD_NAME "Layla20"
  #define ECHOCARD_HAS_MONITOR
  #define ECHOCARD_HAS_ASIC
  #define ECHOCARD_HAS_INPUT_GAIN
  #define ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL
  #define ECHOCARD_HAS_SUPER_INTERLEAVE
  #define ECHOCARD_HAS_DIGITAL_IO
  #define ECHOCARD_HAS_EXTERNAL_CLOCK
  #define ECHOCARD_HAS_ADAT	FALSE
  #define ECHOCARD_HAS_OUTPUT_CLOCK_SWITCH
  #define ECHOCARD_HAS_MIDI
  
  /* Pipe indexes */
  #define PX_ANALOG_OUT	0	/* 10 */
  #define PX_DIGITAL_OUT	10	/*  2 */
  #define PX_ANALOG_IN	12	/*  8 */
  #define PX_DIGITAL_IN	20	/*  2 */
  #define PX_NUM		22
  
  /* Bus indexes */
  #define BX_ANALOG_OUT	0	/* 10 */
  #define BX_DIGITAL_OUT	10	/*  2 */
  #define BX_ANALOG_IN	12	/*  8 */
  #define BX_DIGITAL_IN	20	/*  2 */
  #define BX_NUM		22
  
  
  #include <linux/delay.h>
  #include <linux/init.h>
  #include <linux/interrupt.h>
  #include <linux/pci.h>
  #include <linux/module.h>
  #include <linux/firmware.h>
  #include <linux/slab.h>
  #include <sound/core.h>
  #include <sound/info.h>
  #include <sound/control.h>
  #include <sound/tlv.h>
  #include <sound/pcm.h>
  #include <sound/pcm_params.h>
  #include <sound/asoundef.h>
  #include <sound/initval.h>
  #include <sound/rawmidi.h>
  #include <asm/io.h>
  #include <linux/atomic.h>
  #include "echoaudio.h"
  
  MODULE_FIRMWARE("ea/layla20_dsp.fw");
  MODULE_FIRMWARE("ea/layla20_asic.fw");
  
  #define FW_LAYLA20_DSP	0
  #define FW_LAYLA20_ASIC	1
  
  static const struct firmware card_fw[] = {
  	{0, "layla20_dsp.fw"},
  	{0, "layla20_asic.fw"}
  };
  
  static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = {
  	{0x1057, 0x1801, 0xECC0, 0x0030, 0, 0, 0},	/* DSP 56301 Layla20 rev.0 */
  	{0x1057, 0x1801, 0xECC0, 0x0031, 0, 0, 0},	/* DSP 56301 Layla20 rev.1 */
  	{0,}
  };
  
  static struct snd_pcm_hardware pcm_hardware_skel = {
  	.info = SNDRV_PCM_INFO_MMAP |
  		SNDRV_PCM_INFO_INTERLEAVED |
  		SNDRV_PCM_INFO_BLOCK_TRANSFER |
  		SNDRV_PCM_INFO_MMAP_VALID |
  		SNDRV_PCM_INFO_PAUSE |
  		SNDRV_PCM_INFO_SYNC_START,
  	.formats =	SNDRV_PCM_FMTBIT_U8 |
  			SNDRV_PCM_FMTBIT_S16_LE |
  			SNDRV_PCM_FMTBIT_S24_3LE |
  			SNDRV_PCM_FMTBIT_S32_LE |
  			SNDRV_PCM_FMTBIT_S32_BE,
  	.rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_CONTINUOUS,
  	.rate_min = 8000,
  	.rate_max = 50000,
  	.channels_min = 1,
  	.channels_max = 10,
  	.buffer_bytes_max = 262144,
  	.period_bytes_min = 32,
  	.period_bytes_max = 131072,
  	.periods_min = 2,
  	.periods_max = 220,
  	/* One page (4k) contains 512 instructions. I don't know if the hw
  	supports lists longer than this. In this case periods_max=220 is a
  	safe limit to make sure the list never exceeds 512 instructions. */
  };
  
  #include "layla20_dsp.c"
  #include "echoaudio_dsp.c"
  #include "echoaudio.c"
  #include "midi.c"