diff options
| author | Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com> | 2021-11-26 15:03:53 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-11-30 16:48:43 +0100 |
| commit | 15fa179f3f45415696d376abc84e0098a9586b33 (patch) | |
| tree | 571b683a03ff1621c1430f247ea0d05d9f5991cf /include/sound/intel-nhlt.h | |
| parent | ALSA: hda: Make proper use of timecounter (diff) | |
| download | linux-15fa179f3f45415696d376abc84e0098a9586b33.tar.xz linux-15fa179f3f45415696d376abc84e0098a9586b33.zip | |
ALSA: hda: Fill gaps in NHLT endpoint-interface
Two key operations missings are: endpoint presence-check and retrieval
of matching endpoint hardware configuration (blob). Add operations for
both use cases.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211126140355.1042684-2-cezary.rojewski@intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound/intel-nhlt.h')
| -rw-r--r-- | include/sound/intel-nhlt.h | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/include/sound/intel-nhlt.h b/include/sound/intel-nhlt.h index d0574805865f..089a760d36eb 100644 --- a/include/sound/intel-nhlt.h +++ b/include/sound/intel-nhlt.h @@ -10,6 +10,14 @@ #include <linux/acpi.h> +enum nhlt_link_type { + NHLT_LINK_HDA = 0, + NHLT_LINK_DSP = 1, + NHLT_LINK_DMIC = 2, + NHLT_LINK_SSP = 3, + NHLT_LINK_INVALID +}; + #if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_INTEL_NHLT) struct wav_fmt { @@ -33,14 +41,6 @@ struct wav_fmt_ext { u8 sub_fmt[16]; } __packed; -enum nhlt_link_type { - NHLT_LINK_HDA = 0, - NHLT_LINK_DSP = 1, - NHLT_LINK_DMIC = 2, - NHLT_LINK_SSP = 3, - NHLT_LINK_INVALID -}; - enum nhlt_device_type { NHLT_DEVICE_BT = 0, NHLT_DEVICE_DMIC = 1, @@ -132,6 +132,12 @@ void intel_nhlt_free(struct nhlt_acpi_table *addr); int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt); +bool intel_nhlt_has_endpoint_type(struct nhlt_acpi_table *nhlt, u8 link_type); +struct nhlt_specific_cfg * +intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt, + u32 bus_id, u8 link_type, u8 vbps, u8 bps, + u8 num_ch, u32 rate, u8 dir, u8 dev_type); + #else struct nhlt_acpi_table; @@ -150,6 +156,21 @@ static inline int intel_nhlt_get_dmic_geo(struct device *dev, { return 0; } + +static inline bool intel_nhlt_has_endpoint_type(struct nhlt_acpi_table *nhlt, + u8 link_type) +{ + return false; +} + +static inline struct nhlt_specific_cfg * +intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt, + u32 bus_id, u8 link_type, u8 vbps, u8 bps, + u8 num_ch, u32 rate, u8 dir, u8 dev_type) +{ + return NULL; +} + #endif #endif |