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05e84878 DR |
1 | /* |
2 | * Common functionality for the alsa driver code base for HD Audio. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the Free | |
6 | * Software Foundation; either version 2 of the License, or (at your option) | |
7 | * any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | */ | |
14 | ||
15 | #ifndef __SOUND_HDA_CONTROLLER_H | |
16 | #define __SOUND_HDA_CONTROLLER_H | |
17 | ||
18 | #include <sound/core.h> | |
19 | #include <sound/initval.h> | |
20 | #include "hda_codec.h" | |
21 | #include "hda_priv.h" | |
22 | ||
23 | /* PCM setup */ | |
05e84878 DR |
24 | static inline struct azx_dev *get_azx_dev(struct snd_pcm_substream *substream) |
25 | { | |
26 | return substream->runtime->private_data; | |
27 | } | |
28 | unsigned int azx_get_position(struct azx *chip, | |
29 | struct azx_dev *azx_dev, | |
30 | bool with_check); | |
31 | ||
32 | /* Stream control. */ | |
05e84878 | 33 | void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev); |
05e84878 | 34 | |
67908994 DR |
35 | /* Allocation functions. */ |
36 | int azx_alloc_stream_pages(struct azx *chip); | |
37 | void azx_free_stream_pages(struct azx *chip); | |
38 | ||
f43923ff | 39 | /* Low level azx interface */ |
17c3ad03 | 40 | void azx_init_chip(struct azx *chip, bool full_reset); |
f43923ff DR |
41 | void azx_stop_chip(struct azx *chip); |
42 | void azx_enter_link_reset(struct azx *chip); | |
f0b1df88 | 43 | irqreturn_t azx_interrupt(int irq, void *dev_id); |
f43923ff | 44 | |
154867cf DR |
45 | /* Codec interface */ |
46 | int azx_codec_create(struct azx *chip, const char *model, | |
47 | unsigned int max_slots, | |
48 | int *power_save_to); | |
49 | int azx_codec_configure(struct azx *chip); | |
50 | int azx_mixer_create(struct azx *chip); | |
51 | int azx_init_stream(struct azx *chip); | |
52 | ||
05e84878 | 53 | #endif /* __SOUND_HDA_CONTROLLER_H */ |