diff options
Diffstat (limited to 'include/ec_commands.h')
| -rw-r--r-- | include/ec_commands.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/ec_commands.h b/include/ec_commands.h index 5244533610..0137636e2c 100644 --- a/include/ec_commands.h +++ b/include/ec_commands.h @@ -5796,6 +5796,83 @@ struct ec_response_locate_chip { */ #define EC_CMD_REBOOT_AP_ON_G3 0x0127 +/* + * Decode helpers for Source and Sink Capability PDOs + * + * Note: The Power Delivery Specification should be considered the ultimate + * source of truth on the decoding of these PDOs + */ +#define PDO_TYPE_FIXED (0 << 30) +#define PDO_TYPE_BATTERY (1 << 30) +#define PDO_TYPE_VARIABLE (2 << 30) +#define PDO_TYPE_AUGMENTED (3 << 30) +#define PDO_TYPE_MASK (3 << 30) + +/* + * From Table 6-9 and Table 6-14 PD Rev 3.0 Ver 2.0 + * + * <31:30> : Fixed Supply + * <29> : Dual-Role Power + * <28> : SNK/SRC dependent + * <27> : Unconstrained Power + * <26> : USB Communications Capable + * <25> : Dual-Role Data + * <24:20> : SNK/SRC dependent + * <19:10> : Voltage in 50mV Units + * <9:0> : Maximum Current in 10mA units + */ +#define PDO_FIXED_DUAL_ROLE BIT(29) +#define PDO_FIXED_UNCONSTRAINED BIT(27) +#define PDO_FIXED_COMM_CAP BIT(26) +#define PDO_FIXED_DATA_SWAP BIT(25) +#define PDO_FIXED_FRS_CURR_MASK GENMASK(24, 23) /* Sink Cap only */ +#define PDO_FIXED_VOLTAGE(p) ((p >> 10 & 0x3FF) * 50) +#define PDO_FIXED_CURRENT(p) ((p & 0x3FF) * 10) + +/* + * From Table 6-12 and Table 6-16 PD Rev 3.0 Ver 2.0 + * + * <31:30> : Battery + * <29:20> : Maximum Voltage in 50mV units + * <19:10> : Minimum Voltage in 50mV units + * <9:0> : Maximum Allowable Power in 250mW units + */ +#define PDO_BATT_MAX_VOLTAGE(p) ((p >> 20 & 0x3FF) * 50) +#define PDO_BATT_MIN_VOLTAGE(p) ((p >> 10 & 0x3FF) * 50) +#define PDO_BATT_MAX_POWER(p) ((p & 0x3FF) * 250) + +/* + * From Table 6-11 and Table 6-15 PD Rev 3.0 Ver 2.0 + * + * <31:30> : Variable Supply (non-Battery) + * <29:20> : Maximum Voltage in 50mV units + * <19:10> : Minimum Voltage in 50mV units + * <9:0> : Operational Current in 10mA units + */ +#define PDO_VAR_MAX_VOLTAGE(p) ((p >> 20 & 0x3FF) * 50) +#define PDO_VAR_MIN_VOLTAGE(p) ((p >> 10 & 0x3FF) * 50) +#define PDO_VAR_MAX_CURRENT(p) ((p & 0x3FF) * 10) + +/* + * From Table 6-13 and Table 6-17 PD Rev 3.0 Ver 2.0 + * + * Note this type is reserved in PD 2.0, and only one type of APDO is + * supported as of the cited version. + * + * <31:30> : Augmented Power Data Object + * <29:28> : Programmable Power Supply + * <27> : PPS Power Limited + * <26:25> : Reserved + * <24:17> : Maximum Voltage in 100mV increments + * <16> : Reserved + * <15:8> : Minimum Voltage in 100mV increments + * <7> : Reserved + * <6:0> : Maximum Current in 50mA increments + */ +#define PDO_AUG_MAX_VOLTAGE(p) ((p >> 17 & 0xFF) * 100) +#define PDO_AUG_MIN_VOLTAGE(p) ((p >> 8 & 0xFF) * 100) +#define PDO_AUG_MAX_CURRENT(p) ((p & 0x7F) * 50) + /*****************************************************************************/ /* The command range 0x200-0x2FF is reserved for Rotor. */ |