projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | } | |
| b6050ef6 TI |
28 | unsigned int azx_get_position(struct azx *chip, struct azx_dev *azx_dev); |
| 29 | unsigned int azx_get_pos_lpib(struct azx *chip, struct azx_dev *azx_dev); | |
| 30 | unsigned int azx_get_pos_posbuf(struct azx *chip, struct azx_dev *azx_dev); | |
| 05e84878 DR |
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 | ||
| 703c759f TI |
53 | void azx_notifier_register(struct azx *chip); |
| 54 | void azx_notifier_unregister(struct azx *chip); | |
| 55 | ||
| 05e84878 | 56 | #endif /* __SOUND_HDA_CONTROLLER_H */ |