summaryrefslogtreecommitdiff
path: root/drivers/usb/misc/ucsi.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/misc/ucsi.h')
-rw-r--r--drivers/usb/misc/ucsi.h215
1 files changed, 215 insertions, 0 deletions
diff --git a/drivers/usb/misc/ucsi.h b/drivers/usb/misc/ucsi.h
new file mode 100644
index 000000000..6dd11d1fe
--- /dev/null
+++ b/drivers/usb/misc/ucsi.h
@@ -0,0 +1,215 @@
+
+#include <linux/types.h>
+
+/* -------------------------------------------------------------------------- */
+
+/* Command Status and Connector Change Indication (CCI) data structure */
+struct ucsi_cci {
+ unsigned int RESERVED1:1;
+ unsigned int connector_change:7;
+ u8 data_length;
+ unsigned int RESERVED9:9;
+ unsigned int not_supported:1;
+ unsigned int cancel_complete:1;
+ unsigned int reset_complete:1;
+ unsigned int busy:1;
+ unsigned int ack_complete:1;
+ unsigned int error:1;
+ unsigned int cmd_complete:1;
+} __packed;
+
+/* Default fields in CONTROL data structure */
+struct ucsi_command {
+ u8 cmd;
+ u8 length;
+ u64 data:48;
+} __packed;
+
+/* Set USB Operation Mode Command structure */
+struct ucsi_uor_cmd {
+ u8 cmd;
+ u8 length;
+ u64 con_num:7;
+ u64 role:3;
+#define UCSI_UOR_ROLE_DFP BIT(0)
+#define UCSI_UOR_ROLE_UFP BIT(1)
+#define UCSI_UOR_ROLE_DRP BIT(2)
+ u64 data:38;
+} __packed;
+
+struct ucsi_control {
+ union {
+ u64 raw_cmd;
+ struct ucsi_command cmd;
+ struct ucsi_uor_cmd uor;
+ };
+};
+
+struct ucsi_data {
+ u16 version;
+ u16 RESERVED;
+ union {
+ u32 raw_cci;
+ struct ucsi_cci cci;
+ };
+ struct ucsi_control ctrl;
+ u32 message_in[4];
+ u32 message_out[4];
+} __packed;
+
+/* Commands */
+#define UCSI_PPM_RESET 0x01
+#define UCSI_CANCEL 0x02
+#define UCSI_CONNECTOR_RESET 0x03
+#define UCSI_ACK_CC_CI 0x04
+#define UCSI_SET_NOTIFICATION_ENABLE 0x05
+#define UCSI_GET_CAPABILITY 0x06
+#define UCSI_GET_CONNECTOR_CAPABILITY 0x07
+#define UCSI_SET_UOM 0x08
+#define UCSI_SET_UOR 0x09
+#define UCSI_SET_PDM 0x0A
+#define UCSI_SET_PDR 0x0B
+#define UCSI_GET_ALTERNATE_MODES 0x0C
+#define UCSI_GET_CAM_SUPPORTED 0x0D
+#define UCSI_GET_CURRENT_CAM 0x0E
+#define UCSI_SET_NEW_CAM 0x0F
+#define UCSI_GET_PDOS 0x10
+#define UCSI_GET_CABLE_PROPERTY 0x11
+#define UCSI_GET_CONNECTOR_STATUS 0x12
+#define UCSI_GET_ERROR_STATUS 0x13
+
+/* ACK_CC_CI commands */
+#define UCSI_ACK_EVENT 1
+#define UCSI_ACK_CMD 2
+
+/* Bits for SET_NOTIFICATION_ENABLE command */
+#define UCSI_ENABLE_NTFY_CMD_COMPLETE BIT(0)
+#define UCSI_ENABLE_NTFY_EXT_PWR_SRC_CHANGE BIT(1)
+#define UCSI_ENABLE_NTFY_PWR_OPMODE_CHANGE BIT(2)
+#define UCSI_ENABLE_NTFY_CAP_CHANGE BIT(5)
+#define UCSI_ENABLE_NTFY_PWR_LEVEL_CHANGE BIT(6)
+#define UCSI_ENABLE_NTFY_PD_RESET_COMPLETE BIT(7)
+#define UCSI_ENABLE_NTFY_CAM_CHANGE BIT(8)
+#define UCSI_ENABLE_NTFY_BAT_STATUS_CHANGE BIT(9)
+#define UCSI_ENABLE_NTFY_PARTNER_CHANGE BIT(11)
+#define UCSI_ENABLE_NTFY_PWR_DIR_CHANGE BIT(12)
+#define UCSI_ENABLE_NTFY_CONNECTOR_CHANGE BIT(14)
+#define UCSI_ENABLE_NTFY_ERROR BIT(15)
+#define UCSI_ENABLE_NTFY_ALL 0xdbe7
+
+/* Error information returned by PPM in response to GET_ERROR_STATUS command. */
+#define UCSI_ERROR_UNREGONIZED_CMD BIT(0)
+#define UCSI_ERROR_INVALID_CON_NUM BIT(1)
+#define UCSI_ERROR_INVALID_CMD_ARGUMENT BIT(2)
+#define UCSI_ERROR_INCOMPATIBLE_PARTNER BIT(3)
+#define UCSI_ERROR_CC_COMMUNICATION_ERR BIT(4)
+#define UCSI_ERROR_DEAD_BATTERY BIT(5)
+#define UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL BIT(6)
+
+/* Data structure filled by PPM in response to GET_CAPABILITY command. */
+struct ucsi_capability {
+ u32 attributes;
+#define UCSI_CAP_ATTR_DISABLE_STATE BIT(0)
+#define UCSI_CAP_ATTR_BATTERY_CHARGING BIT(1)
+#define UCSI_CAP_ATTR_USB_PD BIT(2)
+#define UCSI_CAP_ATTR_TYPEC_CURRENT BIT(6)
+#define UCSI_CAP_ATTR_POWER_AC_SUPPLY BIT(8)
+#define UCSI_CAP_ATTR_POWER_OTHER BIT(10)
+#define UCSI_CAP_ATTR_POWER_VBUS BIT(14)
+ u8 num_connectors;
+ u32 features:24;
+#define UCSI_CAP_SET_UOM BIT(0)
+#define UCSI_CAP_SET_PDM BIT(1)
+#define UCSI_CAP_ALT_MODE_DETAILS BIT(2)
+#define UCSI_CAP_ALT_MODE_OVERRIDE BIT(3)
+#define UCSI_CAP_PDO_DETAILS BIT(4)
+#define UCSI_CAP_CABLE_DETAILS BIT(5)
+#define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6)
+#define UCSI_CAP_PD_RESET BIT(7)
+ u8 num_alt_modes;
+ u8 RESERVED;
+ u16 bc_version;
+ u16 pd_version;
+ u16 typec_version;
+} __packed;
+
+/* Data structure filled by PPM in response to GET_CONNECTOR_CAPABILITY cmd. */
+struct ucsi_connector_capability {
+ u8 op_mode;
+#define UCSI_CONCAP_OPMODE_DFP BIT(0)
+#define UCSI_CONCAP_OPMODE_UFP BIT(1)
+#define UCSI_CONCAP_OPMODE_DRP BIT(2)
+#define UCSI_CONCAP_OPMODE_AUDIO_ACCESSORY BIT(3)
+#define UCSI_CONCAP_OPMODE_DEBUG_ACCESSORY BIT(4)
+#define UCSI_CONCAP_OPMODE_USB2 BIT(5)
+#define UCSI_CONCAP_OPMODE_USB3 BIT(6)
+#define UCSI_CONCAP_OPMODE_ALT_MODE BIT(7)
+ u8 provider:1;
+ u8 consumer:1;
+} __packed;
+
+/* Data structure filled by PPM in response to GET_CABLE_PROPERTY command. */
+struct ucsi_cable_property {
+ u16 speed_supported;
+ u8 current_capability;
+ u8 vbus_in_cable:1;
+ u8 active_cable:1;
+ u8 directionality:1;
+ u8 plug_type:2;
+#define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0
+#define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1
+#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
+#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
+ u8 mode_support:1;
+ u8 RESERVED_2:2;
+ u8 latency:4;
+ u8 RESERVED_4:4;
+} __packed;
+
+/* Data structure filled by PPM in response to GET_CONNECTOR_STATUS command. */
+struct ucsi_connector_status {
+ u16 change;
+#define UCSI_CONSTAT_EXT_SUPPLY_CHANGE BIT(1)
+#define UCSI_CONSTAT_POWER_OPMODE_CHANGE BIT(2)
+#define UCSI_CONSTAT_PDOS_CHANGE BIT(5)
+#define UCSI_CONSTAT_POWER_LEVEL_CHANGE BIT(6)
+#define UCSI_CONSTAT_PD_RESET_COMPLETE BIT(7)
+#define UCSI_CONSTAT_CAM_CHANGE BIT(8)
+#define UCSI_CONSTAT_BC_CHANGE BIT(9)
+#define UCSI_CONSTAT_PARTNER_CHANGE BIT(11)
+#define UCSI_CONSTAT_POWER_DIR_CHANGE BIT(12)
+#define UCSI_CONSTAT_CONNECT_CHANGE BIT(14)
+#define UCSI_CONSTAT_ERROR BIT(15)
+ u16 pwr_op_mode:3;
+#define UCSI_CONSTAT_PWR_OPMODE_NONE 0
+#define UCSI_CONSTAT_PWR_OPMODE_DEFAULT 1
+#define UCSI_CONSTAT_PWR_OPMODE_BC 2
+#define UCSI_CONSTAT_PWR_OPMODE_PD 3
+#define UCSI_CONSTAT_PWR_OPMODE_TYPEC1_3 4
+#define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5
+ u16 connected:1;
+ u16 pwr_dir:1;
+ u16 partner_flags:8;
+#define UCSI_CONSTAT_PARTNER_FLAG_USB BIT(0)
+#define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE BIT(1)
+ u16 partner_type:3;
+#define UCSI_CONSTAT_PARTNER_TYPE_DFP 1
+#define UCSI_CONSTAT_PARTNER_TYPE_UFP 2
+#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_NO_UFP 3 /* Powered Cable */
+#define UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP 4 /* Powered Cable */
+#define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5
+#define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6
+ u32 request_data_obj;
+ u8 bc_status:2;
+#define UCSI_CONSTAT_BC_NOT_CHARGING 0
+#define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1
+#define UCSI_CONSTAT_BC_SLOW_CHARGING 2
+#define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3
+ u8 provider_cap_limit_reason:4;
+#define UCSI_CONSTAT_CAP_PWR_LOWERED 0
+#define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1
+ u8 RESERVED:2;
+} __packed;
+
+/* -------------------------------------------------------------------------- */
+