| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 2 | /* |
| 3 | * HD-Audio helpers to sync with i915 driver |
| 4 | */ |
| 5 | #ifndef __SOUND_HDA_I915_H |
| 6 | #define __SOUND_HDA_I915_H |
| 7 | |
| David Henningsson | 45c053d | 2015-08-19 10:48:57 +0200 | [diff] [blame] | 8 | #include <drm/i915_component.h> |
| 9 | |
| Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 10 | #ifdef CONFIG_SND_HDA_I915 |
| 11 | int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable); |
| 12 | int snd_hdac_display_power(struct hdac_bus *bus, bool enable); |
| Takashi Iwai | bb03ed2 | 2016-04-21 16:39:17 +0200 | [diff] [blame] | 13 | void snd_hdac_i915_set_bclk(struct hdac_bus *bus); |
| Pandiyan, Dhinakaran | f931894 | 2016-09-21 13:02:48 -0700 | [diff] [blame] | 14 | int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid, |
| 15 | int dev_id, int rate); |
| 16 | int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, int dev_id, |
| Takashi Iwai | e2dc7d7 | 2015-12-01 12:39:38 +0100 | [diff] [blame] | 17 | bool *audio_enabled, char *buffer, int max_bytes); |
| Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 18 | int snd_hdac_i915_init(struct hdac_bus *bus); |
| 19 | int snd_hdac_i915_exit(struct hdac_bus *bus); |
| David Henningsson | 45c053d | 2015-08-19 10:48:57 +0200 | [diff] [blame] | 20 | int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *); |
| Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 21 | #else |
| Takashi Iwai | 6869de3 | 2015-09-02 12:24:55 +0200 | [diff] [blame] | 22 | static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable) |
| Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 23 | { |
| 24 | return 0; |
| 25 | } |
| 26 | static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable) |
| 27 | { |
| 28 | return 0; |
| 29 | } |
| Takashi Iwai | bb03ed2 | 2016-04-21 16:39:17 +0200 | [diff] [blame] | 30 | static inline void snd_hdac_i915_set_bclk(struct hdac_bus *bus) |
| Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 31 | { |
| Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 32 | } |
| Takashi Iwai | d745f5e | 2016-03-21 14:41:58 +0100 | [diff] [blame] | 33 | static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec, |
| Pandiyan, Dhinakaran | f931894 | 2016-09-21 13:02:48 -0700 | [diff] [blame] | 34 | hda_nid_t nid, int dev_id, int rate) |
| Takashi Iwai | e2dc7d7 | 2015-12-01 12:39:38 +0100 | [diff] [blame] | 35 | { |
| 36 | return 0; |
| 37 | } |
| Takashi Iwai | d745f5e | 2016-03-21 14:41:58 +0100 | [diff] [blame] | 38 | static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, |
| Pandiyan, Dhinakaran | f931894 | 2016-09-21 13:02:48 -0700 | [diff] [blame] | 39 | int dev_id, bool *audio_enabled, |
| 40 | char *buffer, int max_bytes) |
| Takashi Iwai | e2dc7d7 | 2015-12-01 12:39:38 +0100 | [diff] [blame] | 41 | { |
| 42 | return -ENODEV; |
| 43 | } |
| Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 44 | static inline int snd_hdac_i915_init(struct hdac_bus *bus) |
| 45 | { |
| 46 | return -ENODEV; |
| 47 | } |
| 48 | static inline int snd_hdac_i915_exit(struct hdac_bus *bus) |
| 49 | { |
| 50 | return 0; |
| 51 | } |
| David Henningsson | 45c053d | 2015-08-19 10:48:57 +0200 | [diff] [blame] | 52 | static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops) |
| 53 | { |
| 54 | return -ENODEV; |
| 55 | } |
| Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 56 | #endif |
| 57 | |
| 58 | #endif /* __SOUND_HDA_I915_H */ |