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/*
* intel_alsa_ssp_snd_card.h
*
* Copyright (C) 2010 Intel Corp
* Authors: Selma Bensaid <selma.bensaid@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* 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.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef _LINUX_INTEL_ALSA_SSP_SND_CARD_H
#define _LINUX_INTEL_ALSA_SSP_SND_CARD_H
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
#include <linux/sched.h>
#include <sound/initval.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/info.h>
#include "intel_alsa_ssp_hw_interface.h"
int snd_i2s_alsa_open(struct snd_pcm_substream *substream);
int snd_i2s_alsa_close(struct snd_pcm_substream *substream);
int snd_i2s_alsa_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params);
int snd_i2s_alsa_pcm_prepare(struct snd_pcm_substream *substream);
int snd_i2s_alsa_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
int snd_i2s_alsa_hw_free(struct snd_pcm_substream *substream);
snd_pcm_uframes_t snd_i2s_alsa_pcm_pointer(struct snd_pcm_substream *substream);
int snd_i2s_alsa_pcm_prepare(struct snd_pcm_substream *substream);
/*
* Defines
*/
#define INTEL_ALSA_SSP_DRIVER_VERSION "1.0.3"
#define INTEL_ALSA_SSP_CARD_NAME "IntelALSASSP"
/*
* Structures Definition
*/
struct intel_alsa_ssp_card_info {
struct snd_card *card;
char *card_id;
int playback_cnt;
int capture_cnt;
int card_index;
};
struct intel_alsa_ssp_dev_info {
char dev_name[32];
int nb_play_stream;
int nb_capt_stream;
struct snd_pcm_hardware *stream_hw_param;
};
/*
* Global Variables
*/
/* Data path functionalities */
struct snd_pcm_hardware BT_alsa_hw_param = {
.info = (SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_DOUBLE |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH | SNDRV_PCM_INFO_SYNC_START),
.formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE),
.rates = (SNDRV_PCM_RATE_8000),
.rate_min = 8000,
.rate_max = 8000,
.channels_min = 1,
.channels_max = 1,
.buffer_bytes_max = (320*1024),
.period_bytes_min = 32,
.period_bytes_max = (320*1024),
.periods_min = 2,
.periods_max = (1024*2),
.fifo_size = 0,
};
struct snd_pcm_hardware FM_alsa_hw_param = {
.info = (SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_DOUBLE |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH | SNDRV_PCM_INFO_SYNC_START),
.formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE),
.rates = (SNDRV_PCM_RATE_48000),
.rate_min = 48000,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = (640*1024),
.period_bytes_min = 64,
.period_bytes_max = (640*1024),
.periods_min = 2,
.periods_max = (1024*2),
.fifo_size = 0,
};
struct snd_pcm_ops s_alsa_ssp_playback_ops = {
.open = snd_i2s_alsa_open,
.close = snd_i2s_alsa_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_i2s_alsa_hw_params,
.hw_free = snd_i2s_alsa_hw_free,
.trigger = snd_i2s_alsa_pcm_trigger,
.pointer = snd_i2s_alsa_pcm_pointer,
.prepare = snd_i2s_alsa_pcm_prepare,
};
struct snd_pcm_ops s_alsa_ssp_capture_ops = {
.open = snd_i2s_alsa_open,
.close = snd_i2s_alsa_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_i2s_alsa_hw_params,
.hw_free = snd_i2s_alsa_hw_free,
.trigger = snd_i2s_alsa_pcm_trigger,
.pointer = snd_i2s_alsa_pcm_pointer,
.prepare = snd_i2s_alsa_pcm_prepare,
};
struct intel_alsa_ssp_dev_info s_dev_info[INTEL_ALSA_SSP_SND_CARD_MAX_DEVICES] = {
{
.dev_name = "BT_DEVICE",
.nb_play_stream = 1,
.nb_capt_stream = 1,
.stream_hw_param = &BT_alsa_hw_param,
},
{
.dev_name = "FM_DEVICE",
.nb_play_stream = 0,
.nb_capt_stream = 1,
.stream_hw_param = &FM_alsa_hw_param,
}
};
#endif /* _LINUX_INTEL_ALSA_SSP_SND_CARD_H */
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