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Diffstat (limited to '')
| -rw-r--r-- | include/sound/intel-nhlt.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/include/sound/intel-nhlt.h b/include/sound/intel-nhlt.h new file mode 100644 index 0000000000..53470d6a28 --- /dev/null +++ b/include/sound/intel-nhlt.h @@ -0,0 +1,189 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * intel-nhlt.h - Intel HDA Platform NHLT header + * + * Copyright (c) 2015-2019 Intel Corporation + */ + +#ifndef __INTEL_NHLT_H__ +#define __INTEL_NHLT_H__ + +#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 +}; + +enum nhlt_device_type { + NHLT_DEVICE_BT = 0, + NHLT_DEVICE_DMIC = 1, + NHLT_DEVICE_I2S = 4, + NHLT_DEVICE_INVALID +}; + +struct wav_fmt { + u16 fmt_tag; + u16 channels; + u32 samples_per_sec; + u32 avg_bytes_per_sec; + u16 block_align; + u16 bits_per_sample; + u16 cb_size; +} __packed; + +struct wav_fmt_ext { + struct wav_fmt fmt; + union samples { + u16 valid_bits_per_sample; + u16 samples_per_block; + u16 reserved; + } sample; + u32 channel_mask; + u8 sub_fmt[16]; +} __packed; + +struct nhlt_specific_cfg { + u32 size; + u8 caps[]; +} __packed; + +struct nhlt_fmt_cfg { + struct wav_fmt_ext fmt_ext; + struct nhlt_specific_cfg config; +} __packed; + +struct nhlt_fmt { + u8 fmt_count; + struct nhlt_fmt_cfg fmt_config[]; +} __packed; + +struct nhlt_endpoint { + u32 length; + u8 linktype; + u8 instance_id; + u16 vendor_id; + u16 device_id; + u16 revision_id; + u32 subsystem_id; + u8 device_type; + u8 direction; + u8 virtual_bus_id; + struct nhlt_specific_cfg config; +} __packed; + +struct nhlt_acpi_table { + struct acpi_table_header header; + u8 endpoint_count; + struct nhlt_endpoint desc[]; +} __packed; + +struct nhlt_resource_desc { + u32 extra; + u16 flags; + u64 addr_spc_gra; + u64 min_addr; + u64 max_addr; + u64 addr_trans_offset; + u64 length; +} __packed; + +#define MIC_ARRAY_2CH 2 +#define MIC_ARRAY_4CH 4 + +struct nhlt_device_specific_config { + u8 virtual_slot; + u8 config_type; +} __packed; + +struct nhlt_dmic_array_config { + struct nhlt_device_specific_config device_config; + u8 array_type; +} __packed; + +struct nhlt_vendor_dmic_array_config { + struct nhlt_dmic_array_config dmic_config; + u8 nb_mics; + /* TODO add vendor mic config */ +} __packed; + +enum { + NHLT_CONFIG_TYPE_GENERIC = 0, + NHLT_CONFIG_TYPE_MIC_ARRAY = 1 +}; + +enum { + NHLT_MIC_ARRAY_2CH_SMALL = 0xa, + NHLT_MIC_ARRAY_2CH_BIG = 0xb, + NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc, + NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd, + NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe, + NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf, +}; + +#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_INTEL_NHLT) + +struct nhlt_acpi_table *intel_nhlt_init(struct device *dev); + +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); + +int intel_nhlt_ssp_endpoint_mask(struct nhlt_acpi_table *nhlt, u8 device_type); + +int intel_nhlt_ssp_mclk_mask(struct nhlt_acpi_table *nhlt, int ssp_num); + +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 + +static inline struct nhlt_acpi_table *intel_nhlt_init(struct device *dev) +{ + return NULL; +} + +static inline void intel_nhlt_free(struct nhlt_acpi_table *addr) +{ +} + +static inline int intel_nhlt_get_dmic_geo(struct device *dev, + struct nhlt_acpi_table *nhlt) +{ + return 0; +} + +static inline bool intel_nhlt_has_endpoint_type(struct nhlt_acpi_table *nhlt, + u8 link_type) +{ + return false; +} + +static inline int intel_nhlt_ssp_endpoint_mask(struct nhlt_acpi_table *nhlt, u8 device_type) +{ + return 0; +} + +static inline int intel_nhlt_ssp_mclk_mask(struct nhlt_acpi_table *nhlt, int ssp_num) +{ + return 0; +} + +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 |