sound/pci/aw2/aw2-saa7146.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*****************************************************************************
   3  *
   4  * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
   5  * Jean-Christian Hassler <jhassler@free.fr>
   6  *
   7  * This file is part of the Audiowerk2 ALSA driver
   8  *
   9  *****************************************************************************/
  10
  11 #ifndef AW2_SAA7146_H
  12 #define AW2_SAA7146_H
  13
  14 #define NB_STREAM_PLAYBACK 2
  15 #define NB_STREAM_CAPTURE 1
  16
  17 #define NUM_STREAM_PLAYBACK_ANA 0
  18 #define NUM_STREAM_PLAYBACK_DIG 1
  19
  20 #define NUM_STREAM_CAPTURE_ANA 0
  21
  22 typedef void (*snd_aw2_saa7146_it_cb) (void *);
  23
  24 struct snd_aw2_saa7146_cb_param {
  25         snd_aw2_saa7146_it_cb p_it_callback;
  26         void *p_callback_param;
  27 };
  28
  29 /* definition of the chip-specific record */
  30
  31 struct snd_aw2_saa7146 {
  32         void __iomem *base_addr;
  33 };
  34
  35 extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip,
  36                                   void __iomem *pci_base_addr);
  37 extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip);
  38
  39 extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip,
  40                                               int stream_number,
  41                                               unsigned long dma_addr,
  42                                               unsigned long period_size,
  43                                               unsigned long buffer_size);
  44 extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip,
  45                                              int stream_number,
  46                                              unsigned long dma_addr,
  47                                              unsigned long period_size,
  48                                              unsigned long buffer_size);
  49 extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int
  50                                                         stream_number,
  51                                                         snd_aw2_saa7146_it_cb
  52                                                         p_it_callback,
  53                                                         void *p_callback_param);
  54 extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int
  55                                                        stream_number,
  56                                                        snd_aw2_saa7146_it_cb
  57                                                        p_it_callback,
  58                                                        void *p_callback_param);
  59 extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146
  60                                                       *chip, int stream_number);
  61 extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146
  62                                                      *chip, int stream_number);
  63
  64 extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146
  65                                                        *chip,
  66                                                        int stream_number);
  67 extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146
  68                                                       *chip, int stream_number);
  69
  70 extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id);
  71 extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146
  72                                                         *chip,
  73                                                         int stream_number,
  74                                                         unsigned char
  75                                                         *start_addr,
  76                                                         unsigned int
  77                                                         buffer_size);
  78 extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146
  79                                                        *chip,
  80                                                        int stream_number,
  81                                                        unsigned char
  82                                                        *start_addr,
  83                                                        unsigned int
  84                                                        buffer_size);
  85
  86 extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip,
  87                                               int use_digital);
  88
  89 extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146
  90                                                   *chip);
  91
  92 #endif