sound/firewire/oxfw/oxfw.h

   1 /*
   2  * oxfw.h - a part of driver for OXFW970/971 based devices
   3  *
   4  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
   5  * Licensed under the terms of the GNU General Public License, version 2.
   6  */
   7
   8 #include <linux/device.h>
   9 #include <linux/firewire.h>
  10 #include <linux/firewire-constants.h>
  11 #include <linux/module.h>
  12 #include <linux/mod_devicetable.h>
  13 #include <linux/mutex.h>
  14 #include <linux/slab.h>
  15
  16 #include <sound/control.h>
  17 #include <sound/core.h>
  18 #include <sound/initval.h>
  19 #include <sound/pcm.h>
  20 #include <sound/pcm_params.h>
  21
  22 #include "../lib.h"
  23 #include "../fcp.h"
  24 #include "../packets-buffer.h"
  25 #include "../iso-resources.h"
  26 #include "../amdtp.h"
  27 #include "../cmp.h"
  28
  29 struct device_info {
  30         const char *driver_name;
  31         const char *vendor_name;
  32         const char *model_name;
  33         int (*pcm_constraints)(struct snd_pcm_runtime *runtime);
  34         unsigned int mixer_channels;
  35         u8 mute_fb_id;
  36         u8 volume_fb_id;
  37 };
  38
  39 struct snd_oxfw {
  40         struct snd_card *card;
  41         struct fw_unit *unit;
  42         const struct device_info *device_info;
  43         struct mutex mutex;
  44         struct cmp_connection in_conn;
  45         struct amdtp_stream rx_stream;
  46         bool mute;
  47         s16 volume[6];
  48         s16 volume_min;
  49         s16 volume_max;
  50 };
  51
  52 int snd_oxfw_stream_init_simplex(struct snd_oxfw *oxfw);
  53 int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw);
  54 void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw);
  55 void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw);
  56 void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw);
  57
  58 int firewave_constraints(struct snd_pcm_runtime *runtime);
  59 int lacie_speakers_constraints(struct snd_pcm_runtime *runtime);
  60 int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);
  61
  62 int snd_oxfw_create_mixer(struct snd_oxfw *oxfw);