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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/pci/echoaudio/darla20.c
10818 views
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/*

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 *  ALSA driver for Echoaudio soundcards.

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 *  Copyright (C) 2003-2004 Giuliano Pochini <[email protected]>

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 *

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 *  This program is free software; you can redistribute it and/or modify

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 *  it under the terms of the GNU General Public License as published by

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 *  the Free Software Foundation; version 2 of the License.

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 *

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 *  This program is distributed in the hope that it will be useful,

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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 *  GNU General Public License for more details.

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 *

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 *  You should have received a copy of the GNU General Public License

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 *  along with this program; if not, write to the Free Software

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 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

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 */

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#define ECHOGALS_FAMILY

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#define ECHOCARD_DARLA20

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#define ECHOCARD_NAME "Darla20"

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#define ECHOCARD_HAS_MONITOR

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/* Pipe indexes */

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#define PX_ANALOG_OUT	0	/* 8 */

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#define PX_DIGITAL_OUT	8	/* 0 */

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#define PX_ANALOG_IN	8	/* 2 */

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#define PX_DIGITAL_IN	10	/* 0 */

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#define PX_NUM		10

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/* Bus indexes */

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#define BX_ANALOG_OUT	0	/* 8 */

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#define BX_DIGITAL_OUT	8	/* 0 */

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#define BX_ANALOG_IN	8	/* 2 */

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#define BX_DIGITAL_IN	10	/* 0 */

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#define BX_NUM		10

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#include <linux/delay.h>

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#include <linux/init.h>

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#include <linux/interrupt.h>

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#include <linux/pci.h>

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#include <linux/moduleparam.h>

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#include <linux/firmware.h>

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#include <linux/slab.h>

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#include <sound/core.h>

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#include <sound/info.h>

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#include <sound/control.h>

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#include <sound/tlv.h>

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#include <sound/pcm.h>

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#include <sound/pcm_params.h>

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#include <sound/asoundef.h>

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#include <sound/initval.h>

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#include <asm/io.h>

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#include <asm/atomic.h>

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#include "echoaudio.h"

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MODULE_FIRMWARE("ea/darla20_dsp.fw");

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#define FW_DARLA20_DSP	0

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static const struct firmware card_fw[] = {

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	{0, "darla20_dsp.fw"}

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};

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static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = {

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	{0x1057, 0x1801, 0xECC0, 0x0010, 0, 0, 0},	/* DSP 56301 Darla20 rev.0 */

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	{0,}

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};

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static struct snd_pcm_hardware pcm_hardware_skel = {

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	.info = SNDRV_PCM_INFO_MMAP |

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		SNDRV_PCM_INFO_INTERLEAVED |

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		SNDRV_PCM_INFO_BLOCK_TRANSFER |

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		SNDRV_PCM_INFO_MMAP_VALID |

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		SNDRV_PCM_INFO_PAUSE |

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		SNDRV_PCM_INFO_SYNC_START,

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	.formats =	SNDRV_PCM_FMTBIT_U8 |

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			SNDRV_PCM_FMTBIT_S16_LE |

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			SNDRV_PCM_FMTBIT_S24_3LE |

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			SNDRV_PCM_FMTBIT_S32_LE |

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			SNDRV_PCM_FMTBIT_S32_BE,

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	.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,

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	.rate_min = 44100,

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	.rate_max = 48000,

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	.channels_min = 1,

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	.channels_max = 2,

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	.buffer_bytes_max = 262144,

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	.period_bytes_min = 32,

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	.period_bytes_max = 131072,

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	.periods_min = 2,

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	.periods_max = 220,

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	/* One page (4k) contains 512 instructions. I don't know if the hw

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	supports lists longer than this. In this case periods_max=220 is a

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	safe limit to make sure the list never exceeds 512 instructions. */

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};

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#include "darla20_dsp.c"

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#include "echoaudio_dsp.c"

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#include "echoaudio.c"

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