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 struct wav_fmt { 29 u16 fmt_tag; 30 u16 channels; 31 u32 samples_per_sec; 32 u32 avg_bytes_per_sec; 33 u16 block_align; 34 u16 bits_per_sample; 35 u16 cb_size; 36 } __packed; 37 38 struct wav_fmt_ext { 39 struct wav_fmt fmt; 40 union samples { 41 u16 valid_bits_per_sample; 42 u16 samples_per_block; 43 u16 reserved; 44 } sample; 45 u32 channel_mask; 46 u8 sub_fmt[16]; 47 } __packed; 48 49 struct nhlt_specific_cfg { 50 u32 size; 51 u8 caps[]; 52 } __packed; 53 54 struct nhlt_fmt_cfg { 55 struct wav_fmt_ext fmt_ext; 56 struct nhlt_specific_cfg config; 57 } __packed; 58 59 struct nhlt_fmt { 60 u8 fmt_count; 61 struct nhlt_fmt_cfg fmt_config[]; 62 } __packed; 63 64 struct nhlt_endpoint { 65 u32 length; 66 u8 linktype; 67 u8 instance_id; 68 u16 vendor_id; 69 u16 device_id; 70 u16 revision_id; 71 u32 subsystem_id; 72 u8 device_type; 73 u8 direction; 74 u8 virtual_bus_id; 75 struct nhlt_specific_cfg config; 76 } __packed; 77 78 struct nhlt_acpi_table { 79 struct acpi_table_header header; 80 u8 endpoint_count; 81 struct nhlt_endpoint desc[]; 82 } __packed; 83 84 struct nhlt_resource_desc { 85 u32 extra; 86 u16 flags; 87 u64 addr_spc_gra; 88 u64 min_addr; 89 u64 max_addr; 90 u64 addr_trans_offset; 91 u64 length; 92 } __packed; 93 94 #define MIC_ARRAY_2CH 2 95 #define MIC_ARRAY_4CH 4 96 97 struct nhlt_device_specific_config { 98 u8 virtual_slot; 99 u8 config_type; 100 } __packed; 101 102 struct nhlt_dmic_array_config { 103 struct nhlt_device_specific_config device_config; 104 u8 array_type; 105 } __packed; 106 107 struct nhlt_vendor_dmic_array_config { 108 struct nhlt_dmic_array_config dmic_config; 109 u8 nb_mics; 110 /* TODO add vendor mic config */ 111 } __packed; 112 113 enum { 114 NHLT_CONFIG_TYPE_GENERIC = 0, 115 NHLT_CONFIG_TYPE_MIC_ARRAY = 1 116 }; 117 118 enum { 119 NHLT_MIC_ARRAY_2CH_SMALL = 0xa, 120 NHLT_MIC_ARRAY_2CH_BIG = 0xb, 121 NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc, 122 NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd, 123 NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe, 124 NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf, 125 }; 126 127 #if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_INTEL_NHLT) 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 int intel_nhlt_ssp_mclk_mask(struct nhlt_acpi_table *nhlt, int ssp_num); 140 141 struct nhlt_specific_cfg * 142 intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt, 143 u32 bus_id, u8 link_type, u8 vbps, u8 bps, 144 u8 num_ch, u32 rate, u8 dir, u8 dev_type); 145 146 int intel_nhlt_ssp_device_type(struct device *dev, struct nhlt_acpi_table *nhlt, 147 u8 virtual_bus_id); 148 149 #else 150 151 static inline struct nhlt_acpi_table *intel_nhlt_init(struct device *dev) 152 { 153 return NULL; 154 } 155 156 static inline void intel_nhlt_free(struct nhlt_acpi_table *addr) 157 { 158 } 159 160 static inline int intel_nhlt_get_dmic_geo(struct device *dev, 161 struct nhlt_acpi_table *nhlt) 162 { 163 return 0; 164 } 165 166 static inline bool intel_nhlt_has_endpoint_type(struct nhlt_acpi_table *nhlt, 167 u8 link_type) 168 { 169 return false; 170 } 171 172 static inline int intel_nhlt_ssp_endpoint_mask(struct nhlt_acpi_table *nhlt, u8 device_type) 173 { 174 return 0; 175 } 176 177 static inline int intel_nhlt_ssp_mclk_mask(struct nhlt_acpi_table *nhlt, int ssp_num) 178 { 179 return 0; 180 } 181 182 static inline struct nhlt_specific_cfg * 183 intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt, 184 u32 bus_id, u8 link_type, u8 vbps, u8 bps, 185 u8 num_ch, u32 rate, u8 dir, u8 dev_type) 186 { 187 return NULL; 188 } 189 190 static inline int intel_nhlt_ssp_device_type(struct device *dev, 191 struct nhlt_acpi_table *nhlt, 192 u8 virtual_bus_id) 193 { 194 return -EINVAL; 195 } 196 197 #endif 198 199 #endif 200