Logo Search packages:      
Sourcecode: alsa-driver version File versions  Download package

aw2-saa7146.h

/*****************************************************************************
 *
 * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
 * Jean-Christian Hassler <jhassler@free.fr>
 *
 * This file is part of the Audiowerk2 ALSA driver
 *
 * The Audiowerk2 ALSA driver 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.
 *
 * The Audiowerk2 ALSA driver 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 the Audiowerk2 ALSA driver; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *****************************************************************************/

#ifndef AW2_SAA7146_H
#define AW2_SAA7146_H

#define NB_STREAM_PLAYBACK 2
#define NB_STREAM_CAPTURE 1

#define NUM_STREAM_PLAYBACK_ANA 0
#define NUM_STREAM_PLAYBACK_DIG 1

#define NUM_STREAM_CAPTURE_ANA 0

typedef void (*snd_aw2_saa7146_it_cb) (void *);

00037 struct snd_aw2_saa7146_cb_param {
      snd_aw2_saa7146_it_cb p_it_callback;
      void *p_callback_param;
};

/* definition of the chip-specific record */

00044 struct snd_aw2_saa7146 {
      void __iomem *base_addr;
};

extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip,
                          void __iomem *pci_base_addr);
extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip);

extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip,
                                    int stream_number,
                                    unsigned long dma_addr,
                                    unsigned long period_size,
                                    unsigned long buffer_size);
extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip,
                                   int stream_number,
                                   unsigned long dma_addr,
                                   unsigned long period_size,
                                   unsigned long buffer_size);
extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int
                                          stream_number,
                                          snd_aw2_saa7146_it_cb
                                          p_it_callback,
                                          void *p_callback_param);
extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int
                                           stream_number,
                                           snd_aw2_saa7146_it_cb
                                           p_it_callback,
                                           void *p_callback_param);
extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146
                                          *chip, int stream_number);
extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146
                                         *chip, int stream_number);

extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146
                                           *chip,
                                           int stream_number);
extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146
                                          *chip, int stream_number);

extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id);
extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146
                                          *chip,
                                          int stream_number,
                                          unsigned char
                                          *start_addr,
                                          unsigned int
                                          buffer_size);
extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146
                                           *chip,
                                           int stream_number,
                                           unsigned char
                                           *start_addr,
                                           unsigned int
                                           buffer_size);

extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip,
                                    int use_digital);

extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146
                                      *chip);

#endif

Generated by  Doxygen 1.6.0   Back to index