projects / deliverable / linux.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 */ | |
| 24 | int azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec, | |
| 25 | struct hda_pcm *cpcm); | |
| 26 | static inline struct azx_dev *get_azx_dev(struct snd_pcm_substream *substream) | |
| 27 | { | |
| 28 | return substream->runtime->private_data; | |
| 29 | } | |
| 30 | unsigned int azx_get_position(struct azx *chip, | |
| 31 | struct azx_dev *azx_dev, | |
| 32 | bool with_check); | |
| 33 | ||
| 34 | /* Stream control. */ | |
| 05e84878 | 35 | void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev); |
| 05e84878 | 36 | |
| 05e84878 | 37 | #ifdef CONFIG_SND_HDA_DSP_LOADER |
| 2b5fd6c2 DR |
38 | int azx_load_dsp_prepare(struct hda_bus *bus, unsigned int format, |
| 39 | unsigned int byte_size, | |
| 40 | struct snd_dma_buffer *bufp); | |
| 41 | void azx_load_dsp_trigger(struct hda_bus *bus, bool start); | |
| 42 | void azx_load_dsp_cleanup(struct hda_bus *bus, | |
| 43 | struct snd_dma_buffer *dmab); | |
| 05e84878 DR |
44 | #endif |
| 45 | ||
| 67908994 DR |
46 | /* Allocation functions. */ |
| 47 | int azx_alloc_stream_pages(struct azx *chip); | |
| 48 | void azx_free_stream_pages(struct azx *chip); | |
| 49 | ||
| 6e85dddc DR |
50 | /* |
| 51 | * CORB / RIRB interface | |
| 52 | */ | |
| 6e85dddc DR |
53 | int azx_send_cmd(struct hda_bus *bus, unsigned int val); |
| 54 | unsigned int azx_get_response(struct hda_bus *bus, | |
| 55 | unsigned int addr); | |
| 56 | ||
| f43923ff DR |
57 | /* Low level azx interface */ |
| 58 | void azx_init_chip(struct azx *chip, int full_reset); | |
| 59 | void azx_stop_chip(struct azx *chip); | |
| 60 | void azx_enter_link_reset(struct azx *chip); | |
| f0b1df88 | 61 | irqreturn_t azx_interrupt(int irq, void *dev_id); |
| f43923ff | 62 | |
| 05e84878 | 63 | #endif /* __SOUND_HDA_CONTROLLER_H */ |