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- /* 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
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