1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * intel-nhlt.h - Intel HDA Platform NHLT header 4 * 5 * Copyright (c) 2015-2019 Intel Corporation 6 */ 7 8 #ifndef __INTEL_NHLT_H__ 9 #define __INTEL_NHLT_H__ 10 11 #include <linux/acpi.h> 12 13 enum nhlt_link_type { 14 NHLT_LINK_HDA = 0, 15 NHLT_LINK_DSP = 1, 16 NHLT_LINK_DMIC = 2, 17 NHLT_LINK_SSP = 3, 18 NHLT_LINK_INVALID 19 }; 20 21 enum nhlt_device_type { 22 NHLT_DEVICE_BT = 0, 23 NHLT_DEVICE_DMIC = 1, 24 NHLT_DEVICE_I2S = 4, 25 NHLT_DEVICE_INVALID 26 }; 27 28 #if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_INTEL_NHLT) 29 30 struct wav_fmt { 31 u16 fmt_tag; 32 u16 channels; 33 u32 samples_per_sec; 34 u32 avg_bytes_per_sec; 35 u16 block_align; 36 u16 bits_per_sample; 37 u16 cb_size; 38 } __packed; 39 40 struct wav_fmt_ext { 41 struct wav_fmt fmt; 42 union samples { 43 u16 valid_bits_per_sample; 44 u16 samples_per_block; 45 u16 reserved; 46 } sample; 47 u32 channel_mask; 48 u8 sub_fmt[16]; 49 } __packed; 50 51 struct nhlt_specific_cfg { 52 u32 size; 53 u8 caps[]; 54 } __packed; 55 56 struct nhlt_fmt_cfg { 57 struct wav_fmt_ext fmt_ext; 58 struct nhlt_specific_cfg config; 59 } __packed; 60 61 struct nhlt_fmt { 62 u8 fmt_count; 63 struct nhlt_fmt_cfg fmt_config[]; 64 } __packed; 65 66 struct nhlt_endpoint { 67 u32 length; 68 u8 linktype; 69 u8 instance_id; 70 u16 vendor_id; 71 u16 device_id; 72 u16 revision_id; 73 u32 subsystem_id; 74 u8 device_type; 75 u8 direction; 76 u8 virtual_bus_id; 77 struct nhlt_specific_cfg config; 78 } __packed; 79 80 struct nhlt_acpi_table { 81 struct acpi_table_header header; 82 u8 endpoint_count; 83 struct nhlt_endpoint desc[]; 84 } __packed; 85 86 struct nhlt_resource_desc { 87 u32 extra; 88 u16 flags; 89 u64 addr_spc_gra; 90 u64 min_addr; 91 u64 max_addr; 92 u64 addr_trans_offset; 93 u64 length; 94 } __packed; 95 96 #define MIC_ARRAY_2CH 2 97 #define MIC_ARRAY_4CH 4 98 99 struct nhlt_device_specific_config { 100 u8 virtual_slot; 101 u8 config_type; 102 } __packed; 103 104 struct nhlt_dmic_array_config { 105 struct nhlt_device_specific_config device_config; 106 u8 array_type; 107 } __packed; 108 109 struct nhlt_vendor_dmic_array_config { 110 struct nhlt_dmic_array_config dmic_config; 111 u8 nb_mics; 112 /* TODO add vendor mic config */ 113 } __packed; 114 115 enum { 116 NHLT_CONFIG_TYPE_GENERIC = 0, 117 NHLT_CONFIG_TYPE_MIC_ARRAY = 1 118 }; 119 120 enum { 121 NHLT_MIC_ARRAY_2CH_SMALL = 0xa, 122 NHLT_MIC_ARRAY_2CH_BIG = 0xb, 123 NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc, 124 NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd, 125 NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe, 126 NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf, 127 }; 128 129 struct nhlt_acpi_table *intel_nhlt_init(struct device *dev); 130 131 void intel_nhlt_free(struct nhlt_acpi_table *addr); 132 133 int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt); 134 135 bool intel_nhlt_has_endpoint_type(struct nhlt_acpi_table *nhlt, u8 link_type); 136 137 int intel_nhlt_ssp_endpoint_mask(struct nhlt_acpi_table *nhlt, u8 device_type); 138 139 struct nhlt_specific_cfg * 140 intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt, 141 u32 bus_id, u8 link_type, u8 vbps, u8 bps, 142 u8 num_ch, u32 rate, u8 dir, u8 dev_type); 143 144 #else 145 146 struct nhlt_acpi_table; 147 148 static inline struct nhlt_acpi_table *intel_nhlt_init(struct device *dev) 149 { 150 return NULL; 151 } 152 153 static inline void intel_nhlt_free(struct nhlt_acpi_table *addr) 154 { 155 } 156 157 static inline int intel_nhlt_get_dmic_geo(struct device *dev, 158 struct nhlt_acpi_table *nhlt) 159 { 160 return 0; 161 } 162 163 static inline bool intel_nhlt_has_endpoint_type(struct nhlt_acpi_table *nhlt, 164 u8 link_type) 165 { 166 return false; 167 } 168 169 static inline int intel_nhlt_ssp_endpoint_mask(struct nhlt_acpi_table *nhlt, u8 device_type) 170 { 171 return 0; 172 } 173 174 static inline struct nhlt_specific_cfg * 175 intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt, 176 u32 bus_id, u8 link_type, u8 vbps, u8 bps, 177 u8 num_ch, u32 rate, u8 dir, u8 dev_type) 178 { 179 return NULL; 180 } 181 182 #endif 183 184 #endif 185