diff options
Diffstat (limited to 'include/linux/usb/pd.h')
| -rw-r--r-- | include/linux/usb/pd.h | 185 |
1 files changed, 174 insertions, 11 deletions
diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h index b3d41d7409b3..ff359bdfdc7b 100644 --- a/include/linux/usb/pd.h +++ b/include/linux/usb/pd.h @@ -35,6 +35,13 @@ enum pd_ctrl_msg_type { PD_CTRL_WAIT = 12, PD_CTRL_SOFT_RESET = 13, /* 14-15 Reserved */ + PD_CTRL_NOT_SUPP = 16, + PD_CTRL_GET_SOURCE_CAP_EXT = 17, + PD_CTRL_GET_STATUS = 18, + PD_CTRL_FR_SWAP = 19, + PD_CTRL_GET_PPS_STATUS = 20, + PD_CTRL_GET_COUNTRY_CODES = 21, + /* 22-31 Reserved */ }; enum pd_data_msg_type { @@ -43,13 +50,39 @@ enum pd_data_msg_type { PD_DATA_REQUEST = 2, PD_DATA_BIST = 3, PD_DATA_SINK_CAP = 4, - /* 5-14 Reserved */ + PD_DATA_BATT_STATUS = 5, + PD_DATA_ALERT = 6, + PD_DATA_GET_COUNTRY_INFO = 7, + /* 8-14 Reserved */ PD_DATA_VENDOR_DEF = 15, + /* 16-31 Reserved */ +}; + +enum pd_ext_msg_type { + /* 0 Reserved */ + PD_EXT_SOURCE_CAP_EXT = 1, + PD_EXT_STATUS = 2, + PD_EXT_GET_BATT_CAP = 3, + PD_EXT_GET_BATT_STATUS = 4, + PD_EXT_BATT_CAP = 5, + PD_EXT_GET_MANUFACTURER_INFO = 6, + PD_EXT_MANUFACTURER_INFO = 7, + PD_EXT_SECURITY_REQUEST = 8, + PD_EXT_SECURITY_RESPONSE = 9, + PD_EXT_FW_UPDATE_REQUEST = 10, + PD_EXT_FW_UPDATE_RESPONSE = 11, + PD_EXT_PPS_STATUS = 12, + PD_EXT_COUNTRY_INFO = 13, + PD_EXT_COUNTRY_CODES = 14, + /* 15-31 Reserved */ }; #define PD_REV10 0x0 #define PD_REV20 0x1 +#define PD_REV30 0x2 +#define PD_MAX_REV PD_REV30 +#define PD_HEADER_EXT_HDR BIT(15) #define PD_HEADER_CNT_SHIFT 12 #define PD_HEADER_CNT_MASK 0x7 #define PD_HEADER_ID_SHIFT 9 @@ -59,18 +92,19 @@ enum pd_data_msg_type { #define PD_HEADER_REV_MASK 0x3 #define PD_HEADER_DATA_ROLE BIT(5) #define PD_HEADER_TYPE_SHIFT 0 -#define PD_HEADER_TYPE_MASK 0xf +#define PD_HEADER_TYPE_MASK 0x1f -#define PD_HEADER(type, pwr, data, id, cnt) \ +#define PD_HEADER(type, pwr, data, rev, id, cnt, ext_hdr) \ ((((type) & PD_HEADER_TYPE_MASK) << PD_HEADER_TYPE_SHIFT) | \ ((pwr) == TYPEC_SOURCE ? PD_HEADER_PWR_ROLE : 0) | \ ((data) == TYPEC_HOST ? PD_HEADER_DATA_ROLE : 0) | \ - (PD_REV20 << PD_HEADER_REV_SHIFT) | \ + (rev << PD_HEADER_REV_SHIFT) | \ (((id) & PD_HEADER_ID_MASK) << PD_HEADER_ID_SHIFT) | \ - (((cnt) & PD_HEADER_CNT_MASK) << PD_HEADER_CNT_SHIFT)) + (((cnt) & PD_HEADER_CNT_MASK) << PD_HEADER_CNT_SHIFT) | \ + ((ext_hdr) ? PD_HEADER_EXT_HDR : 0)) #define PD_HEADER_LE(type, pwr, data, id, cnt) \ - cpu_to_le16(PD_HEADER((type), (pwr), (data), (id), (cnt))) + cpu_to_le16(PD_HEADER((type), (pwr), (data), PD_REV20, (id), (cnt), (0))) static inline unsigned int pd_header_cnt(u16 header) { @@ -102,16 +136,75 @@ static inline unsigned int pd_header_msgid_le(__le16 header) return pd_header_msgid(le16_to_cpu(header)); } +static inline unsigned int pd_header_rev(u16 header) +{ + return (header >> PD_HEADER_REV_SHIFT) & PD_HEADER_REV_MASK; +} + +static inline unsigned int pd_header_rev_le(__le16 header) +{ + return pd_header_rev(le16_to_cpu(header)); +} + +#define PD_EXT_HDR_CHUNKED BIT(15) +#define PD_EXT_HDR_CHUNK_NUM_SHIFT 11 +#define PD_EXT_HDR_CHUNK_NUM_MASK 0xf +#define PD_EXT_HDR_REQ_CHUNK BIT(10) +#define PD_EXT_HDR_DATA_SIZE_SHIFT 0 +#define PD_EXT_HDR_DATA_SIZE_MASK 0x1ff + +#define PD_EXT_HDR(data_size, req_chunk, chunk_num, chunked) \ + ((((data_size) & PD_EXT_HDR_DATA_SIZE_MASK) << PD_EXT_HDR_DATA_SIZE_SHIFT) | \ + ((req_chunk) ? PD_EXT_HDR_REQ_CHUNK : 0) | \ + (((chunk_num) & PD_EXT_HDR_CHUNK_NUM_MASK) << PD_EXT_HDR_CHUNK_NUM_SHIFT) | \ + ((chunked) ? PD_EXT_HDR_CHUNKED : 0)) + +#define PD_EXT_HDR_LE(data_size, req_chunk, chunk_num, chunked) \ + cpu_to_le16(PD_EXT_HDR((data_size), (req_chunk), (chunk_num), (chunked))) + +static inline unsigned int pd_ext_header_chunk_num(u16 ext_header) +{ + return (ext_header >> PD_EXT_HDR_CHUNK_NUM_SHIFT) & + PD_EXT_HDR_CHUNK_NUM_MASK; +} + +static inline unsigned int pd_ext_header_data_size(u16 ext_header) +{ + return (ext_header >> PD_EXT_HDR_DATA_SIZE_SHIFT) & + PD_EXT_HDR_DATA_SIZE_MASK; +} + +static inline unsigned int pd_ext_header_data_size_le(__le16 ext_header) +{ + return pd_ext_header_data_size(le16_to_cpu(ext_header)); +} + #define PD_MAX_PAYLOAD 7 +#define PD_EXT_MAX_CHUNK_DATA 26 /** - * struct pd_message - PD message as seen on wire - * @header: PD message header - * @payload: PD message payload - */ + * struct pd_chunked_ext_message_data - PD chunked extended message data as + * seen on wire + * @header: PD extended message header + * @data: PD extended message data + */ +struct pd_chunked_ext_message_data { + __le16 header; + u8 data[PD_EXT_MAX_CHUNK_DATA]; +} __packed; + +/** + * struct pd_message - PD message as seen on wire + * @header: PD message header + * @payload: PD message payload + * @ext_msg: PD message chunked extended message data + */ struct pd_message { __le16 header; - __le32 payload[PD_MAX_PAYLOAD]; + union { + __le32 payload[PD_MAX_PAYLOAD]; + struct pd_chunked_ext_message_data ext_msg; + }; } __packed; /* PDO: Power Data Object */ @@ -121,6 +214,7 @@ enum pd_pdo_type { PDO_TYPE_FIXED = 0, PDO_TYPE_BATT = 1, PDO_TYPE_VAR = 2, + PDO_TYPE_APDO = 3, }; #define PDO_TYPE_SHIFT 30 @@ -174,6 +268,34 @@ enum pd_pdo_type { (PDO_TYPE(PDO_TYPE_VAR) | PDO_VAR_MIN_VOLT(min_mv) | \ PDO_VAR_MAX_VOLT(max_mv) | PDO_VAR_MAX_CURR(max_ma)) +enum pd_apdo_type { + APDO_TYPE_PPS = 0, +}; + +#define PDO_APDO_TYPE_SHIFT 28 /* Only valid value currently is 0x0 - PPS */ +#define PDO_APDO_TYPE_MASK 0x3 + +#define PDO_APDO_TYPE(t) ((t) << PDO_APDO_TYPE_SHIFT) + +#define PDO_PPS_APDO_MAX_VOLT_SHIFT 17 /* 100mV units */ +#define PDO_PPS_APDO_MIN_VOLT_SHIFT 8 /* 100mV units */ +#define PDO_PPS_APDO_MAX_CURR_SHIFT 0 /* 50mA units */ + +#define PDO_PPS_APDO_VOLT_MASK 0xff +#define PDO_PPS_APDO_CURR_MASK 0x7f + +#define PDO_PPS_APDO_MIN_VOLT(mv) \ + ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MIN_VOLT_SHIFT) +#define PDO_PPS_APDO_MAX_VOLT(mv) \ + ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MAX_VOLT_SHIFT) +#define PDO_PPS_APDO_MAX_CURR(ma) \ + ((((ma) / 50) & PDO_PPS_APDO_CURR_MASK) << PDO_PPS_APDO_MAX_CURR_SHIFT) + +#define PDO_PPS_APDO(min_mv, max_mv, max_ma) \ + (PDO_TYPE(PDO_TYPE_APDO) | PDO_APDO_TYPE(APDO_TYPE_PPS) | \ + PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) | \ + PDO_PPS_APDO_MAX_CURR(max_ma)) + static inline enum pd_pdo_type pdo_type(u32 pdo) { return (pdo >> PDO_TYPE_SHIFT) & PDO_TYPE_MASK; @@ -204,6 +326,29 @@ static inline unsigned int pdo_max_power(u32 pdo) return ((pdo >> PDO_BATT_MAX_PWR_SHIFT) & PDO_PWR_MASK) * 250; } +static inline enum pd_apdo_type pdo_apdo_type(u32 pdo) +{ + return (pdo >> PDO_APDO_TYPE_SHIFT) & PDO_APDO_TYPE_MASK; +} + +static inline unsigned int pdo_pps_apdo_min_voltage(u32 pdo) +{ + return ((pdo >> PDO_PPS_APDO_MIN_VOLT_SHIFT) & + PDO_PPS_APDO_VOLT_MASK) * 100; +} + +static inline unsigned int pdo_pps_apdo_max_voltage(u32 pdo) +{ + return ((pdo >> PDO_PPS_APDO_MAX_VOLT_SHIFT) & + PDO_PPS_APDO_VOLT_MASK) * 100; +} + +static inline unsigned int pdo_pps_apdo_max_current(u32 pdo) +{ + return ((pdo >> PDO_PPS_APDO_MAX_CURR_SHIFT) & + PDO_PPS_APDO_CURR_MASK) * 50; +} + /* RDO: Request Data Object */ #define RDO_OBJ_POS_SHIFT 28 #define RDO_OBJ_POS_MASK 0x7 @@ -237,6 +382,24 @@ static inline unsigned int pdo_max_power(u32 pdo) (RDO_OBJ(idx) | (flags) | \ RDO_BATT_OP_PWR(op_mw) | RDO_BATT_MAX_PWR(max_mw)) +#define RDO_PROG_VOLT_MASK 0x7ff +#define RDO_PROG_CURR_MASK 0x7f + +#define RDO_PROG_VOLT_SHIFT 9 +#define RDO_PROG_CURR_SHIFT 0 + +#define RDO_PROG_VOLT_MV_STEP 20 +#define RDO_PROG_CURR_MA_STEP 50 + +#define PDO_PROG_OUT_VOLT(mv) \ + ((((mv) / RDO_PROG_VOLT_MV_STEP) & RDO_PROG_VOLT_MASK) << RDO_PROG_VOLT_SHIFT) +#define PDO_PROG_OP_CURR(ma) \ + ((((ma) / RDO_PROG_CURR_MA_STEP) & RDO_PROG_CURR_MASK) << RDO_PROG_CURR_SHIFT) + +#define RDO_PROG(idx, out_mv, op_ma, flags) \ + (RDO_OBJ(idx) | (flags) | \ + PDO_PROG_OUT_VOLT(out_mv) | PDO_PROG_OP_CURR(op_ma)) + static inline unsigned int rdo_index(u32 rdo) { return (rdo >> RDO_OBJ_POS_SHIFT) & RDO_OBJ_POS_MASK; |