1 2 #include <linux/types.h> 3 4 /* -------------------------------------------------------------------------- */ 5 6 /* Command Status and Connector Change Indication (CCI) data structure */ 7 struct ucsi_cci { 8 unsigned int RESERVED1:1; 9 unsigned int connector_change:7; 10 u8 data_length; 11 unsigned int RESERVED9:9; 12 unsigned int not_supported:1; 13 unsigned int cancel_complete:1; 14 unsigned int reset_complete:1; 15 unsigned int busy:1; 16 unsigned int ack_complete:1; 17 unsigned int error:1; 18 unsigned int cmd_complete:1; 19 } __packed; 20 21 /* Default fields in CONTROL data structure */ 22 struct ucsi_command { 23 u8 cmd; 24 u8 length; 25 u64 data:48; 26 } __packed; 27 28 /* Set USB Operation Mode Command structure */ 29 struct ucsi_uor_cmd { 30 u8 cmd; 31 u8 length; 32 u64 con_num:7; 33 u64 role:3; 34 #define UCSI_UOR_ROLE_DFP BIT(0) 35 #define UCSI_UOR_ROLE_UFP BIT(1) 36 #define UCSI_UOR_ROLE_DRP BIT(2) 37 u64 data:38; 38 } __packed; 39 40 struct ucsi_control { 41 union { 42 u64 raw_cmd; 43 struct ucsi_command cmd; 44 struct ucsi_uor_cmd uor; 45 }; 46 }; 47 48 struct ucsi_data { 49 u16 version; 50 u16 RESERVED; 51 union { 52 u32 raw_cci; 53 struct ucsi_cci cci; 54 }; 55 struct ucsi_control ctrl; 56 u32 message_in[4]; 57 u32 message_out[4]; 58 } __packed; 59 60 /* Commands */ 61 #define UCSI_PPM_RESET 0x01 62 #define UCSI_CANCEL 0x02 63 #define UCSI_CONNECTOR_RESET 0x03 64 #define UCSI_ACK_CC_CI 0x04 65 #define UCSI_SET_NOTIFICATION_ENABLE 0x05 66 #define UCSI_GET_CAPABILITY 0x06 67 #define UCSI_GET_CONNECTOR_CAPABILITY 0x07 68 #define UCSI_SET_UOM 0x08 69 #define UCSI_SET_UOR 0x09 70 #define UCSI_SET_PDM 0x0A 71 #define UCSI_SET_PDR 0x0B 72 #define UCSI_GET_ALTERNATE_MODES 0x0C 73 #define UCSI_GET_CAM_SUPPORTED 0x0D 74 #define UCSI_GET_CURRENT_CAM 0x0E 75 #define UCSI_SET_NEW_CAM 0x0F 76 #define UCSI_GET_PDOS 0x10 77 #define UCSI_GET_CABLE_PROPERTY 0x11 78 #define UCSI_GET_CONNECTOR_STATUS 0x12 79 #define UCSI_GET_ERROR_STATUS 0x13 80 81 /* ACK_CC_CI commands */ 82 #define UCSI_ACK_EVENT 1 83 #define UCSI_ACK_CMD 2 84 85 /* Bits for SET_NOTIFICATION_ENABLE command */ 86 #define UCSI_ENABLE_NTFY_CMD_COMPLETE BIT(0) 87 #define UCSI_ENABLE_NTFY_EXT_PWR_SRC_CHANGE BIT(1) 88 #define UCSI_ENABLE_NTFY_PWR_OPMODE_CHANGE BIT(2) 89 #define UCSI_ENABLE_NTFY_CAP_CHANGE BIT(5) 90 #define UCSI_ENABLE_NTFY_PWR_LEVEL_CHANGE BIT(6) 91 #define UCSI_ENABLE_NTFY_PD_RESET_COMPLETE BIT(7) 92 #define UCSI_ENABLE_NTFY_CAM_CHANGE BIT(8) 93 #define UCSI_ENABLE_NTFY_BAT_STATUS_CHANGE BIT(9) 94 #define UCSI_ENABLE_NTFY_PARTNER_CHANGE BIT(11) 95 #define UCSI_ENABLE_NTFY_PWR_DIR_CHANGE BIT(12) 96 #define UCSI_ENABLE_NTFY_CONNECTOR_CHANGE BIT(14) 97 #define UCSI_ENABLE_NTFY_ERROR BIT(15) 98 #define UCSI_ENABLE_NTFY_ALL 0xdbe7 99 100 /* Error information returned by PPM in response to GET_ERROR_STATUS command. */ 101 #define UCSI_ERROR_UNREGONIZED_CMD BIT(0) 102 #define UCSI_ERROR_INVALID_CON_NUM BIT(1) 103 #define UCSI_ERROR_INVALID_CMD_ARGUMENT BIT(2) 104 #define UCSI_ERROR_INCOMPATIBLE_PARTNER BIT(3) 105 #define UCSI_ERROR_CC_COMMUNICATION_ERR BIT(4) 106 #define UCSI_ERROR_DEAD_BATTERY BIT(5) 107 #define UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL BIT(6) 108 109 /* Data structure filled by PPM in response to GET_CAPABILITY command. */ 110 struct ucsi_capability { 111 u32 attributes; 112 #define UCSI_CAP_ATTR_DISABLE_STATE BIT(0) 113 #define UCSI_CAP_ATTR_BATTERY_CHARGING BIT(1) 114 #define UCSI_CAP_ATTR_USB_PD BIT(2) 115 #define UCSI_CAP_ATTR_TYPEC_CURRENT BIT(6) 116 #define UCSI_CAP_ATTR_POWER_AC_SUPPLY BIT(8) 117 #define UCSI_CAP_ATTR_POWER_OTHER BIT(10) 118 #define UCSI_CAP_ATTR_POWER_VBUS BIT(14) 119 u8 num_connectors; 120 u32 features:24; 121 #define UCSI_CAP_SET_UOM BIT(0) 122 #define UCSI_CAP_SET_PDM BIT(1) 123 #define UCSI_CAP_ALT_MODE_DETAILS BIT(2) 124 #define UCSI_CAP_ALT_MODE_OVERRIDE BIT(3) 125 #define UCSI_CAP_PDO_DETAILS BIT(4) 126 #define UCSI_CAP_CABLE_DETAILS BIT(5) 127 #define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6) 128 #define UCSI_CAP_PD_RESET BIT(7) 129 u8 num_alt_modes; 130 u8 RESERVED; 131 u16 bc_version; 132 u16 pd_version; 133 u16 typec_version; 134 } __packed; 135 136 /* Data structure filled by PPM in response to GET_CONNECTOR_CAPABILITY cmd. */ 137 struct ucsi_connector_capability { 138 u8 op_mode; 139 #define UCSI_CONCAP_OPMODE_DFP BIT(0) 140 #define UCSI_CONCAP_OPMODE_UFP BIT(1) 141 #define UCSI_CONCAP_OPMODE_DRP BIT(2) 142 #define UCSI_CONCAP_OPMODE_AUDIO_ACCESSORY BIT(3) 143 #define UCSI_CONCAP_OPMODE_DEBUG_ACCESSORY BIT(4) 144 #define UCSI_CONCAP_OPMODE_USB2 BIT(5) 145 #define UCSI_CONCAP_OPMODE_USB3 BIT(6) 146 #define UCSI_CONCAP_OPMODE_ALT_MODE BIT(7) 147 u8 provider:1; 148 u8 consumer:1; 149 } __packed; 150 151 /* Data structure filled by PPM in response to GET_CABLE_PROPERTY command. */ 152 struct ucsi_cable_property { 153 u16 speed_supported; 154 u8 current_capability; 155 u8 vbus_in_cable:1; 156 u8 active_cable:1; 157 u8 directionality:1; 158 u8 plug_type:2; 159 #define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0 160 #define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1 161 #define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2 162 #define UCSI_CABLE_PROPERTY_PLUG_OTHER 3 163 u8 mode_support:1; 164 u8 RESERVED_2:2; 165 u8 latency:4; 166 u8 RESERVED_4:4; 167 } __packed; 168 169 /* Data structure filled by PPM in response to GET_CONNECTOR_STATUS command. */ 170 struct ucsi_connector_status { 171 u16 change; 172 #define UCSI_CONSTAT_EXT_SUPPLY_CHANGE BIT(1) 173 #define UCSI_CONSTAT_POWER_OPMODE_CHANGE BIT(2) 174 #define UCSI_CONSTAT_PDOS_CHANGE BIT(5) 175 #define UCSI_CONSTAT_POWER_LEVEL_CHANGE BIT(6) 176 #define UCSI_CONSTAT_PD_RESET_COMPLETE BIT(7) 177 #define UCSI_CONSTAT_CAM_CHANGE BIT(8) 178 #define UCSI_CONSTAT_BC_CHANGE BIT(9) 179 #define UCSI_CONSTAT_PARTNER_CHANGE BIT(11) 180 #define UCSI_CONSTAT_POWER_DIR_CHANGE BIT(12) 181 #define UCSI_CONSTAT_CONNECT_CHANGE BIT(14) 182 #define UCSI_CONSTAT_ERROR BIT(15) 183 u16 pwr_op_mode:3; 184 #define UCSI_CONSTAT_PWR_OPMODE_NONE 0 185 #define UCSI_CONSTAT_PWR_OPMODE_DEFAULT 1 186 #define UCSI_CONSTAT_PWR_OPMODE_BC 2 187 #define UCSI_CONSTAT_PWR_OPMODE_PD 3 188 #define UCSI_CONSTAT_PWR_OPMODE_TYPEC1_3 4 189 #define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5 190 u16 connected:1; 191 u16 pwr_dir:1; 192 u16 partner_flags:8; 193 #define UCSI_CONSTAT_PARTNER_FLAG_USB BIT(0) 194 #define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE BIT(1) 195 u16 partner_type:3; 196 #define UCSI_CONSTAT_PARTNER_TYPE_DFP 1 197 #define UCSI_CONSTAT_PARTNER_TYPE_UFP 2 198 #define UCSI_CONSTAT_PARTNER_TYPE_CABLE_NO_UFP 3 /* Powered Cable */ 199 #define UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP 4 /* Powered Cable */ 200 #define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5 201 #define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6 202 u32 request_data_obj; 203 u8 bc_status:2; 204 #define UCSI_CONSTAT_BC_NOT_CHARGING 0 205 #define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1 206 #define UCSI_CONSTAT_BC_SLOW_CHARGING 2 207 #define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3 208 u8 provider_cap_limit_reason:4; 209 #define UCSI_CONSTAT_CAP_PWR_LOWERED 0 210 #define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1 211 u8 RESERVED:2; 212 } __packed; 213 214 /* -------------------------------------------------------------------------- */ 215 216