216 lines
6.5 KiB
C
216 lines
6.5 KiB
C
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#include <linux/types.h>
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/* -------------------------------------------------------------------------- */
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/* Command Status and Connector Change Indication (CCI) data structure */
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struct ucsi_cci {
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unsigned int RESERVED1:1;
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unsigned int connector_change:7;
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u8 data_length;
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unsigned int RESERVED9:9;
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unsigned int not_supported:1;
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unsigned int cancel_complete:1;
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unsigned int reset_complete:1;
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unsigned int busy:1;
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unsigned int ack_complete:1;
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unsigned int error:1;
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unsigned int cmd_complete:1;
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} __packed;
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/* Default fields in CONTROL data structure */
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struct ucsi_command {
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u8 cmd;
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u8 length;
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u64 data:48;
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} __packed;
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/* Set USB Operation Mode Command structure */
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struct ucsi_uor_cmd {
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u8 cmd;
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u8 length;
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u64 con_num:7;
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u64 role:3;
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#define UCSI_UOR_ROLE_DFP BIT(0)
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#define UCSI_UOR_ROLE_UFP BIT(1)
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#define UCSI_UOR_ROLE_DRP BIT(2)
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u64 data:38;
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} __packed;
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struct ucsi_control {
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union {
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u64 raw_cmd;
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struct ucsi_command cmd;
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struct ucsi_uor_cmd uor;
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};
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};
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struct ucsi_data {
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u16 version;
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u16 RESERVED;
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union {
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u32 raw_cci;
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struct ucsi_cci cci;
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};
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struct ucsi_control ctrl;
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u32 message_in[4];
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u32 message_out[4];
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} __packed;
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/* Commands */
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#define UCSI_PPM_RESET 0x01
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#define UCSI_CANCEL 0x02
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#define UCSI_CONNECTOR_RESET 0x03
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#define UCSI_ACK_CC_CI 0x04
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#define UCSI_SET_NOTIFICATION_ENABLE 0x05
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#define UCSI_GET_CAPABILITY 0x06
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#define UCSI_GET_CONNECTOR_CAPABILITY 0x07
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#define UCSI_SET_UOM 0x08
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#define UCSI_SET_UOR 0x09
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#define UCSI_SET_PDM 0x0A
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#define UCSI_SET_PDR 0x0B
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#define UCSI_GET_ALTERNATE_MODES 0x0C
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#define UCSI_GET_CAM_SUPPORTED 0x0D
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#define UCSI_GET_CURRENT_CAM 0x0E
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#define UCSI_SET_NEW_CAM 0x0F
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#define UCSI_GET_PDOS 0x10
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#define UCSI_GET_CABLE_PROPERTY 0x11
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#define UCSI_GET_CONNECTOR_STATUS 0x12
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#define UCSI_GET_ERROR_STATUS 0x13
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/* ACK_CC_CI commands */
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#define UCSI_ACK_EVENT 1
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#define UCSI_ACK_CMD 2
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/* Bits for SET_NOTIFICATION_ENABLE command */
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#define UCSI_ENABLE_NTFY_CMD_COMPLETE BIT(0)
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#define UCSI_ENABLE_NTFY_EXT_PWR_SRC_CHANGE BIT(1)
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#define UCSI_ENABLE_NTFY_PWR_OPMODE_CHANGE BIT(2)
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#define UCSI_ENABLE_NTFY_CAP_CHANGE BIT(5)
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#define UCSI_ENABLE_NTFY_PWR_LEVEL_CHANGE BIT(6)
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#define UCSI_ENABLE_NTFY_PD_RESET_COMPLETE BIT(7)
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#define UCSI_ENABLE_NTFY_CAM_CHANGE BIT(8)
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#define UCSI_ENABLE_NTFY_BAT_STATUS_CHANGE BIT(9)
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#define UCSI_ENABLE_NTFY_PARTNER_CHANGE BIT(11)
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#define UCSI_ENABLE_NTFY_PWR_DIR_CHANGE BIT(12)
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#define UCSI_ENABLE_NTFY_CONNECTOR_CHANGE BIT(14)
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#define UCSI_ENABLE_NTFY_ERROR BIT(15)
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#define UCSI_ENABLE_NTFY_ALL 0xdbe7
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/* Error information returned by PPM in response to GET_ERROR_STATUS command. */
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#define UCSI_ERROR_UNREGONIZED_CMD BIT(0)
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#define UCSI_ERROR_INVALID_CON_NUM BIT(1)
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#define UCSI_ERROR_INVALID_CMD_ARGUMENT BIT(2)
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#define UCSI_ERROR_INCOMPATIBLE_PARTNER BIT(3)
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#define UCSI_ERROR_CC_COMMUNICATION_ERR BIT(4)
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#define UCSI_ERROR_DEAD_BATTERY BIT(5)
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#define UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL BIT(6)
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/* Data structure filled by PPM in response to GET_CAPABILITY command. */
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struct ucsi_capability {
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u32 attributes;
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#define UCSI_CAP_ATTR_DISABLE_STATE BIT(0)
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#define UCSI_CAP_ATTR_BATTERY_CHARGING BIT(1)
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#define UCSI_CAP_ATTR_USB_PD BIT(2)
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#define UCSI_CAP_ATTR_TYPEC_CURRENT BIT(6)
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#define UCSI_CAP_ATTR_POWER_AC_SUPPLY BIT(8)
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#define UCSI_CAP_ATTR_POWER_OTHER BIT(10)
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#define UCSI_CAP_ATTR_POWER_VBUS BIT(14)
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u8 num_connectors;
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u32 features:24;
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#define UCSI_CAP_SET_UOM BIT(0)
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#define UCSI_CAP_SET_PDM BIT(1)
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#define UCSI_CAP_ALT_MODE_DETAILS BIT(2)
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#define UCSI_CAP_ALT_MODE_OVERRIDE BIT(3)
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#define UCSI_CAP_PDO_DETAILS BIT(4)
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#define UCSI_CAP_CABLE_DETAILS BIT(5)
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#define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6)
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#define UCSI_CAP_PD_RESET BIT(7)
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u8 num_alt_modes;
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u8 RESERVED;
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u16 bc_version;
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u16 pd_version;
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u16 typec_version;
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} __packed;
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/* Data structure filled by PPM in response to GET_CONNECTOR_CAPABILITY cmd. */
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struct ucsi_connector_capability {
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u8 op_mode;
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#define UCSI_CONCAP_OPMODE_DFP BIT(0)
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#define UCSI_CONCAP_OPMODE_UFP BIT(1)
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#define UCSI_CONCAP_OPMODE_DRP BIT(2)
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#define UCSI_CONCAP_OPMODE_AUDIO_ACCESSORY BIT(3)
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#define UCSI_CONCAP_OPMODE_DEBUG_ACCESSORY BIT(4)
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#define UCSI_CONCAP_OPMODE_USB2 BIT(5)
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#define UCSI_CONCAP_OPMODE_USB3 BIT(6)
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#define UCSI_CONCAP_OPMODE_ALT_MODE BIT(7)
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u8 provider:1;
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u8 consumer:1;
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} __packed;
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/* Data structure filled by PPM in response to GET_CABLE_PROPERTY command. */
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struct ucsi_cable_property {
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u16 speed_supported;
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u8 current_capability;
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u8 vbus_in_cable:1;
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u8 active_cable:1;
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u8 directionality:1;
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u8 plug_type:2;
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#define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0
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#define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1
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#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
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#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
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u8 mode_support:1;
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u8 RESERVED_2:2;
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u8 latency:4;
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u8 RESERVED_4:4;
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} __packed;
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/* Data structure filled by PPM in response to GET_CONNECTOR_STATUS command. */
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struct ucsi_connector_status {
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u16 change;
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#define UCSI_CONSTAT_EXT_SUPPLY_CHANGE BIT(1)
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#define UCSI_CONSTAT_POWER_OPMODE_CHANGE BIT(2)
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#define UCSI_CONSTAT_PDOS_CHANGE BIT(5)
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#define UCSI_CONSTAT_POWER_LEVEL_CHANGE BIT(6)
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#define UCSI_CONSTAT_PD_RESET_COMPLETE BIT(7)
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#define UCSI_CONSTAT_CAM_CHANGE BIT(8)
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#define UCSI_CONSTAT_BC_CHANGE BIT(9)
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#define UCSI_CONSTAT_PARTNER_CHANGE BIT(11)
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#define UCSI_CONSTAT_POWER_DIR_CHANGE BIT(12)
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#define UCSI_CONSTAT_CONNECT_CHANGE BIT(14)
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#define UCSI_CONSTAT_ERROR BIT(15)
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u16 pwr_op_mode:3;
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#define UCSI_CONSTAT_PWR_OPMODE_NONE 0
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#define UCSI_CONSTAT_PWR_OPMODE_DEFAULT 1
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#define UCSI_CONSTAT_PWR_OPMODE_BC 2
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#define UCSI_CONSTAT_PWR_OPMODE_PD 3
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#define UCSI_CONSTAT_PWR_OPMODE_TYPEC1_3 4
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#define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5
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u16 connected:1;
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u16 pwr_dir:1;
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u16 partner_flags:8;
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#define UCSI_CONSTAT_PARTNER_FLAG_USB BIT(0)
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#define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE BIT(1)
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u16 partner_type:3;
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#define UCSI_CONSTAT_PARTNER_TYPE_DFP 1
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#define UCSI_CONSTAT_PARTNER_TYPE_UFP 2
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#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_NO_UFP 3 /* Powered Cable */
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#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP 4 /* Powered Cable */
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#define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5
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#define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6
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u32 request_data_obj;
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u8 bc_status:2;
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#define UCSI_CONSTAT_BC_NOT_CHARGING 0
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#define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1
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#define UCSI_CONSTAT_BC_SLOW_CHARGING 2
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#define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3
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u8 provider_cap_limit_reason:4;
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#define UCSI_CONSTAT_CAP_PWR_LOWERED 0
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#define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1
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u8 RESERVED:2;
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} __packed;
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/* -------------------------------------------------------------------------- */
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