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able to parse SOURCE_CAP message from dfp

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hathach
2023-06-09 19:38:50 +07:00
parent 912802456b
commit bb4fb0543b
2 changed files with 109 additions and 7 deletions
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60
src/typec/utcd.h
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@@ -41,6 +41,66 @@ extern "C" {
#define CFG_TUC_TASK_QUEUE_SZ 8
#endif
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
// All table references are from USBPD Specification rev3.1 version 1.8
enum {
PD_PDO_TYPE_FIXED = 0, // Vmin = Vmax
PD_PDO_TYPE_BATTERY,
PD_PDO_TYPE_VARIABLE, // non-battery
PD_PDO_TYPE_APDO, // Augmented Power Data Object
};
// Fixed Power Data Object (PDO) table 6-9
typedef struct TU_ATTR_PACKED {
uint32_t current_max_10ma : 10; // [9..0] Max current in 10mA unit
uint32_t voltage_50mv : 10; // [19..10] Voltage in 50mV unit
uint32_t current_peak : 2; // [21..20] Peak current
uint32_t reserved : 1; // [22] Reserved
uint32_t epr_mode_capable : 1; // [23] epr_mode_capable
uint32_t unchunked_ext_msg_support : 1; // [24] UnChunked Extended Message Supported
uint32_t dual_role_data : 1; // [25] Dual Role Data
uint32_t usb_comm_capable : 1; // [26] USB Communications Capable
uint32_t unconstrained_power : 1; // [27] Unconstrained Power
uint32_t usb_suspend_supported : 1; // [28] USB Suspend Supported
uint32_t dual_role_power : 1; // [29] Dual Role Power
uint32_t type : 2; // [30] Fixed Supply type = PD_PDO_TYPE_FIXED
} pd_pdo_fixed_t;
TU_VERIFY_STATIC(sizeof(pd_pdo_fixed_t) == 4, "Invalid size");
// Battery Power Data Object (PDO) table 6-12
typedef struct TU_ATTR_PACKED {
uint32_t power_max_250mw : 10; // [9..0] Max allowable power in 250mW unit
uint32_t voltage_min_50mv : 10; // [19..10] Minimum voltage in 50mV unit
uint32_t voltage_max_50mv : 10; // [29..20] Maximum voltage in 50mV unit
uint32_t type : 2; // [31..30] Battery type = PD_PDO_TYPE_BATTERY
} pd_pdo_battery_t;
TU_VERIFY_STATIC(sizeof(pd_pdo_battery_t) == 4, "Invalid size");
// Variable Power Data Object (PDO) table 6-11
typedef struct TU_ATTR_PACKED {
uint32_t current_max_10ma : 10; // [9..0] Max current in 10mA unit
uint32_t voltage_min_50mv : 10; // [19..10] Minimum voltage in 50mV unit
uint32_t voltage_max_50mv : 10; // [29..20] Maximum voltage in 50mV unit
uint32_t type : 2; // [31..30] Variable Supply type = PD_PDO_TYPE_VARIABLE
} pd_pdo_variable_t;
TU_VERIFY_STATIC(sizeof(pd_pdo_variable_t) == 4, "Invalid size");
// Augmented Power Data Object (PDO) table 6-13
typedef struct TU_ATTR_PACKED {
uint32_t current_max_50ma : 7; // [6..0] Max current in 50mA unit
uint32_t reserved1 : 1; // [7] Reserved
uint32_t voltage_min_100mv : 8; // [15..8] Minimum Voltage in 100mV unit
uint32_t reserved2 : 1; // [16] Reserved
uint32_t voltage_max_100mv : 8; // [24..17] Maximum Voltage in 100mV unit
uint32_t reserved3 : 2; // [26..25] Reserved
uint32_t pps_power_limited : 1; // [27] PPS Power Limited
uint32_t spr_programmable : 2; // [29..28] SPR Programmable Power Supply
uint32_t type : 2; // [31..30] Augmented Power Data Object = PD_PDO_TYPE_APDO
} pd_pdo_apdo_t;
TU_VERIFY_STATIC(sizeof(pd_pdo_apdo_t) == 4, "Invalid size");
//--------------------------------------------------------------------+
// Application API