From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/usb/typec/ucsi/ucsi.h | 497 +++++++++++++++++++++++++++++++-----------------------
1 files changed, 284 insertions(+), 213 deletions(-)
diff --git a/kernel/drivers/usb/typec/ucsi/ucsi.h b/kernel/drivers/usb/typec/ucsi/ucsi.h
index 53b80f4..d366ab2 100644
--- a/kernel/drivers/usb/typec/ucsi/ucsi.h
+++ b/kernel/drivers/usb/typec/ucsi/ucsi.h
@@ -5,142 +5,68 @@
#include <linux/bitops.h>
#include <linux/device.h>
+#include <linux/power_supply.h>
#include <linux/types.h>
+#include <linux/usb/typec.h>
+#include <linux/usb/pd.h>
+#include <linux/usb/role.h>
+#include <linux/usb/pd.h>
/* -------------------------------------------------------------------------- */
-/* Command Status and Connector Change Indication (CCI) data structure */
-struct ucsi_cci {
- u8:1; /* reserved */
- u8 connector_change:7;
- u8 data_length;
- u16:9; /* reserved */
- u16 not_supported:1;
- u16 cancel_complete:1;
- u16 reset_complete:1;
- u16 busy:1;
- u16 ack_complete:1;
- u16 error:1;
- u16 cmd_complete:1;
-} __packed;
+struct ucsi;
+struct ucsi_altmode;
-/* Default fields in CONTROL data structure */
-struct ucsi_command {
- u8 cmd;
- u8 length;
- u64 data:48;
-} __packed;
+/* UCSI offsets (Bytes) */
+#define UCSI_VERSION 0
+#define UCSI_CCI 4
+#define UCSI_CONTROL 8
+#define UCSI_MESSAGE_IN 16
+#define UCSI_MESSAGE_OUT 32
-/* ACK Command structure */
-struct ucsi_ack_cmd {
- u8 cmd;
- u8 length;
- u8 cci_ack:1;
- u8 cmd_ack:1;
- u8:6; /* reserved */
-} __packed;
+/* Command Status and Connector Change Indication (CCI) bits */
+#define UCSI_CCI_CONNECTOR(_c_) (((_c_) & GENMASK(7, 1)) >> 1)
+#define UCSI_CCI_LENGTH(_c_) (((_c_) & GENMASK(15, 8)) >> 8)
+#define UCSI_CCI_NOT_SUPPORTED BIT(25)
+#define UCSI_CCI_CANCEL_COMPLETE BIT(26)
+#define UCSI_CCI_RESET_COMPLETE BIT(27)
+#define UCSI_CCI_BUSY BIT(28)
+#define UCSI_CCI_ACK_COMPLETE BIT(29)
+#define UCSI_CCI_ERROR BIT(30)
+#define UCSI_CCI_COMMAND_COMPLETE BIT(31)
-/* Connector Reset Command structure */
-struct ucsi_con_rst {
- u8 cmd;
- u8 length;
- u8 con_num:7;
- u8 hard_reset:1;
-} __packed;
-
-/* Set USB Operation Mode Command structure */
-struct ucsi_uor_cmd {
- u8 cmd;
- u8 length;
- u16 con_num:7;
- u16 role:3;
-#define UCSI_UOR_ROLE_DFP BIT(0)
-#define UCSI_UOR_ROLE_UFP BIT(1)
-#define UCSI_UOR_ROLE_DRP BIT(2)
- u16:6; /* reserved */
-} __packed;
-
-struct ucsi_control {
- union {
- u64 raw_cmd;
- struct ucsi_command cmd;
- struct ucsi_uor_cmd uor;
- struct ucsi_ack_cmd ack;
- struct ucsi_con_rst con_rst;
- };
+/**
+ * struct ucsi_operations - UCSI I/O operations
+ * @read: Read operation
+ * @sync_write: Blocking write operation
+ * @async_write: Non-blocking write operation
+ * @update_altmodes: Squashes duplicate DP altmodes
+ *
+ * Read and write routines for UCSI interface. @sync_write must wait for the
+ * Command Completion Event from the PPM before returning, and @async_write must
+ * return immediately after sending the data to the PPM.
+ */
+struct ucsi_operations {
+ int (*read)(struct ucsi *ucsi, unsigned int offset,
+ void *val, size_t val_len);
+ int (*sync_write)(struct ucsi *ucsi, unsigned int offset,
+ const void *val, size_t val_len);
+ int (*async_write)(struct ucsi *ucsi, unsigned int offset,
+ const void *val, size_t val_len);
+ bool (*update_altmodes)(struct ucsi *ucsi, struct ucsi_altmode *orig,
+ struct ucsi_altmode *updated);
};
-#define __UCSI_CMD(_ctrl_, _cmd_) \
-{ \
- (_ctrl_).raw_cmd = 0; \
- (_ctrl_).cmd.cmd = _cmd_; \
-}
+struct ucsi *ucsi_create(struct device *dev, const struct ucsi_operations *ops);
+void ucsi_destroy(struct ucsi *ucsi);
+int ucsi_register(struct ucsi *ucsi);
+void ucsi_unregister(struct ucsi *ucsi);
+void *ucsi_get_drvdata(struct ucsi *ucsi);
+void ucsi_set_drvdata(struct ucsi *ucsi, void *data);
-/* Helper for preparing ucsi_control for CONNECTOR_RESET command. */
-#define UCSI_CMD_CONNECTOR_RESET(_ctrl_, _con_, _hard_) \
-{ \
- __UCSI_CMD(_ctrl_, UCSI_CONNECTOR_RESET) \
- (_ctrl_).con_rst.con_num = (_con_)->num; \
- (_ctrl_).con_rst.hard_reset = _hard_; \
-}
+void ucsi_connector_change(struct ucsi *ucsi, u8 num);
-/* Helper for preparing ucsi_control for ACK_CC_CI command. */
-#define UCSI_CMD_ACK(_ctrl_, _ack_) \
-{ \
- __UCSI_CMD(_ctrl_, UCSI_ACK_CC_CI) \
- (_ctrl_).ack.cci_ack = ((_ack_) == UCSI_ACK_EVENT); \
- (_ctrl_).ack.cmd_ack = ((_ack_) == UCSI_ACK_CMD); \
-}
-
-/* Helper for preparing ucsi_control for SET_NOTIFY_ENABLE command. */
-#define UCSI_CMD_SET_NTFY_ENABLE(_ctrl_, _ntfys_) \
-{ \
- __UCSI_CMD(_ctrl_, UCSI_SET_NOTIFICATION_ENABLE) \
- (_ctrl_).cmd.data = _ntfys_; \
-}
-
-/* Helper for preparing ucsi_control for GET_CAPABILITY command. */
-#define UCSI_CMD_GET_CAPABILITY(_ctrl_) \
-{ \
- __UCSI_CMD(_ctrl_, UCSI_GET_CAPABILITY) \
-}
-
-/* Helper for preparing ucsi_control for GET_CONNECTOR_CAPABILITY command. */
-#define UCSI_CMD_GET_CONNECTOR_CAPABILITY(_ctrl_, _con_) \
-{ \
- __UCSI_CMD(_ctrl_, UCSI_GET_CONNECTOR_CAPABILITY) \
- (_ctrl_).cmd.data = _con_; \
-}
-
-/* Helper for preparing ucsi_control for GET_CONNECTOR_STATUS command. */
-#define UCSI_CMD_GET_CONNECTOR_STATUS(_ctrl_, _con_) \
-{ \
- __UCSI_CMD(_ctrl_, UCSI_GET_CONNECTOR_STATUS) \
- (_ctrl_).cmd.data = _con_; \
-}
-
-#define __UCSI_ROLE(_ctrl_, _cmd_, _con_num_) \
-{ \
- __UCSI_CMD(_ctrl_, _cmd_) \
- (_ctrl_).uor.con_num = _con_num_; \
- (_ctrl_).uor.role = UCSI_UOR_ROLE_DRP; \
-}
-
-/* Helper for preparing ucsi_control for SET_UOR command. */
-#define UCSI_CMD_SET_UOR(_ctrl_, _con_, _role_) \
-{ \
- __UCSI_ROLE(_ctrl_, UCSI_SET_UOR, (_con_)->num) \
- (_ctrl_).uor.role |= (_role_) == TYPEC_HOST ? UCSI_UOR_ROLE_DFP : \
- UCSI_UOR_ROLE_UFP; \
-}
-
-/* Helper for preparing ucsi_control for SET_PDR command. */
-#define UCSI_CMD_SET_PDR(_ctrl_, _con_, _role_) \
-{ \
- __UCSI_ROLE(_ctrl_, UCSI_SET_PDR, (_con_)->num) \
- (_ctrl_).uor.role |= (_role_) == TYPEC_SOURCE ? UCSI_UOR_ROLE_DFP : \
- UCSI_UOR_ROLE_UFP; \
-}
+/* -------------------------------------------------------------------------- */
/* Commands */
#define UCSI_PPM_RESET 0x01
@@ -163,24 +89,59 @@
#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
+#define UCSI_CONNECTOR_NUMBER(_num_) ((u64)(_num_) << 16)
+#define UCSI_COMMAND(_cmd_) ((_cmd_) & 0xff)
-/* 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
+/* CONNECTOR_RESET command bits */
+#define UCSI_CONNECTOR_RESET_HARD BIT(23) /* Deprecated in v1.1 */
+
+/* ACK_CC_CI bits */
+#define UCSI_ACK_CONNECTOR_CHANGE BIT(16)
+#define UCSI_ACK_COMMAND_COMPLETE BIT(17)
+
+/* SET_NOTIFICATION_ENABLE command bits */
+#define UCSI_ENABLE_NTFY_CMD_COMPLETE BIT(16)
+#define UCSI_ENABLE_NTFY_EXT_PWR_SRC_CHANGE BIT(17)
+#define UCSI_ENABLE_NTFY_PWR_OPMODE_CHANGE BIT(18)
+#define UCSI_ENABLE_NTFY_CAP_CHANGE BIT(21)
+#define UCSI_ENABLE_NTFY_PWR_LEVEL_CHANGE BIT(22)
+#define UCSI_ENABLE_NTFY_PD_RESET_COMPLETE BIT(23)
+#define UCSI_ENABLE_NTFY_CAM_CHANGE BIT(24)
+#define UCSI_ENABLE_NTFY_BAT_STATUS_CHANGE BIT(25)
+#define UCSI_ENABLE_NTFY_PARTNER_CHANGE BIT(27)
+#define UCSI_ENABLE_NTFY_PWR_DIR_CHANGE BIT(28)
+#define UCSI_ENABLE_NTFY_CONNECTOR_CHANGE BIT(30)
+#define UCSI_ENABLE_NTFY_ERROR BIT(31)
+#define UCSI_ENABLE_NTFY_ALL 0xdbe70000
+
+/* SET_UOR command bits */
+#define UCSI_SET_UOR_ROLE(_r_) (((_r_) == TYPEC_HOST ? 1 : 2) << 23)
+#define UCSI_SET_UOR_ACCEPT_ROLE_SWAPS BIT(25)
+
+/* SET_PDF command bits */
+#define UCSI_SET_PDR_ROLE(_r_) (((_r_) == TYPEC_SOURCE ? 1 : 2) << 23)
+#define UCSI_SET_PDR_ACCEPT_ROLE_SWAPS BIT(25)
+
+/* GET_ALTERNATE_MODES command bits */
+#define UCSI_ALTMODE_RECIPIENT(_r_) (((_r_) >> 16) & 0x7)
+#define UCSI_GET_ALTMODE_RECIPIENT(_r_) ((u64)(_r_) << 16)
+#define UCSI_RECIPIENT_CON 0
+#define UCSI_RECIPIENT_SOP 1
+#define UCSI_RECIPIENT_SOP_P 2
+#define UCSI_RECIPIENT_SOP_PP 3
+#define UCSI_GET_ALTMODE_CONNECTOR_NUMBER(_r_) ((u64)(_r_) << 24)
+#define UCSI_ALTMODE_OFFSET(_r_) (((_r_) >> 32) & 0xff)
+#define UCSI_GET_ALTMODE_OFFSET(_r_) ((u64)(_r_) << 32)
+#define UCSI_GET_ALTMODE_NUM_ALTMODES(_r_) ((u64)(_r_) << 40)
+
+/* GET_PDOS command bits */
+#define UCSI_GET_PDOS_PARTNER_PDO(_r_) ((u64)(_r_) << 23)
+#define UCSI_GET_PDOS_PDO_OFFSET(_r_) ((u64)(_r_) << 24)
+#define UCSI_GET_PDOS_NUM_PDOS(_r_) ((u64)(_r_) << 32)
+#define UCSI_MAX_PDOS (4)
+#define UCSI_GET_PDOS_SRC_PDOS ((u64)1 << 34)
+
+/* -------------------------------------------------------------------------- */
/* Error information returned by PPM in response to GET_ERROR_STATUS command. */
#define UCSI_ERROR_UNREGONIZED_CMD BIT(0)
@@ -190,6 +151,18 @@
#define UCSI_ERROR_CC_COMMUNICATION_ERR BIT(4)
#define UCSI_ERROR_DEAD_BATTERY BIT(5)
#define UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL BIT(6)
+#define UCSI_ERROR_OVERCURRENT BIT(7)
+#define UCSI_ERROR_UNDEFINED BIT(8)
+#define UCSI_ERROR_PARTNER_REJECTED_SWAP BIT(9)
+#define UCSI_ERROR_HARD_RESET BIT(10)
+#define UCSI_ERROR_PPM_POLICY_CONFLICT BIT(11)
+#define UCSI_ERROR_SWAP_REJECTED BIT(12)
+
+#define UCSI_SET_NEW_CAM_ENTER(x) (((x) >> 23) & 0x1)
+#define UCSI_SET_NEW_CAM_GET_AM(x) (((x) >> 24) & 0xff)
+#define UCSI_SET_NEW_CAM_AM_MASK (0xff << 24)
+#define UCSI_SET_NEW_CAM_SET_AM(x) (((x) & 0xff) << 24)
+#define UCSI_CMD_CONNECTOR_MASK (0x7)
/* Data structure filled by PPM in response to GET_CAPABILITY command. */
struct ucsi_capability {
@@ -201,8 +174,8 @@
#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)
- u32 num_connectors:8;
- u32 features:24;
+ u8 num_connectors;
+ u8 features;
#define UCSI_CAP_SET_UOM BIT(0)
#define UCSI_CAP_SET_PDM BIT(1)
#define UCSI_CAP_ALT_MODE_DETAILS BIT(2)
@@ -211,8 +184,9 @@
#define UCSI_CAP_CABLE_DETAILS BIT(5)
#define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6)
#define UCSI_CAP_PD_RESET BIT(7)
+ u16 reserved_1;
u8 num_alt_modes;
- u8 reserved;
+ u8 reserved_2;
u16 bc_version;
u16 pd_version;
u16 typec_version;
@@ -229,9 +203,9 @@
#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;
- u8:6; /* reserved */
+ u8 flags;
+#define UCSI_CONCAP_FLAG_PROVIDER BIT(0)
+#define UCSI_CONCAP_FLAG_CONSUMER BIT(1)
} __packed;
struct ucsi_altmode {
@@ -243,18 +217,17 @@
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;
- u8:2; /* reserved */
- u8 latency:4;
- u8:4; /* reserved */
+ u8 flags;
+#define UCSI_CABLE_PROP_FLAG_VBUS_IN_CABLE BIT(0)
+#define UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE BIT(1)
+#define UCSI_CABLE_PROP_FLAG_DIRECTIONALITY BIT(2)
+#define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) ((_f_) & GENMASK(3, 0))
+#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
+#define UCSI_CABLE_PROP_MODE_SUPPORT BIT(5)
+ u8 latency;
} __packed;
/* Data structure filled by PPM in response to GET_CONNECTOR_STATUS command. */
@@ -271,67 +244,165 @@
#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_5 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 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
+ u16 flags;
+#define UCSI_CONSTAT_PWR_OPMODE(_f_) ((_f_) & GENMASK(2, 0))
+#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_5 4
+#define UCSI_CONSTAT_PWR_OPMODE_TYPEC3_0 5
+#define UCSI_CONSTAT_CONNECTED BIT(3)
+#define UCSI_CONSTAT_PWR_DIR BIT(4)
+#define UCSI_CONSTAT_PARTNER_FLAGS(_f_) (((_f_) & GENMASK(12, 5)) >> 5)
+#define UCSI_CONSTAT_PARTNER_FLAG_USB 1
+#define UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE 2
+#define UCSI_CONSTAT_PARTNER_TYPE(_f_) (((_f_) & GENMASK(15, 13)) >> 13)
+#define UCSI_CONSTAT_PARTNER_TYPE_DFP 1
+#define UCSI_CONSTAT_PARTNER_TYPE_UFP 2
+#define UCSI_CONSTAT_PARTNER_TYPE_CABLE 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
- u8:2; /* reserved */
+ u8 pwr_status;
+#define UCSI_CONSTAT_BC_STATUS(_p_) ((_p_) & GENMASK(2, 0))
+#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
+#define UCSI_CONSTAT_PROVIDER_CAP_LIMIT(_p_) (((_p_) & GENMASK(6, 3)) >> 3)
+#define UCSI_CONSTAT_CAP_PWR_LOWERED 0
+#define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1
} __packed;
/* -------------------------------------------------------------------------- */
-struct ucsi;
-
-struct ucsi_data {
+struct ucsi {
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;
+ struct device *dev;
+ struct driver_data *driver_data;
-/*
- * struct ucsi_ppm - Interface to UCSI Platform Policy Manager
- * @data: memory location to the UCSI data structures
- * @cmd: UCSI command execution routine
- * @sync: Refresh UCSI mailbox (the data structures)
- */
-struct ucsi_ppm {
- struct ucsi_data *data;
- int (*cmd)(struct ucsi_ppm *, struct ucsi_control *);
- int (*sync)(struct ucsi_ppm *);
+ const struct ucsi_operations *ops;
+
+ struct ucsi_capability cap;
+ struct ucsi_connector *connector;
+
+ struct work_struct work;
+#define UCSI_ROLE_SWITCH_RETRY_PER_HZ 10
+#define UCSI_ROLE_SWITCH_INTERVAL (HZ / UCSI_ROLE_SWITCH_RETRY_PER_HZ)
+#define UCSI_ROLE_SWITCH_WAIT_COUNT (10 * UCSI_ROLE_SWITCH_RETRY_PER_HZ)
+
+ /* PPM Communication lock */
+ struct mutex ppm_lock;
+
+ /* The latest "Notification Enable" bits (SET_NOTIFICATION_ENABLE) */
+ u64 ntfy;
+
+ /* PPM communication flags */
+ unsigned long flags;
+#define EVENT_PENDING 0
+#define COMMAND_PENDING 1
+#define ACK_PENDING 2
+#define EVENT_PROCESSING 3
};
-struct ucsi *ucsi_register_ppm(struct device *dev, struct ucsi_ppm *ppm);
-void ucsi_unregister_ppm(struct ucsi *ucsi);
-void ucsi_notify(struct ucsi *ucsi);
+/**
+ * struct ucsi_android - contains parameters without modifying the format
+ * of ucsi struct.
+ * @ucsi: contains the ucsi reference.
+ * @work: work structure for queuing ucsi_init_work.
+ * @work_count: to track the wait count(MAX= UCSI_ROLE_SWITCH_WAIT_COUNT).
+ *
+ * Required to address Bug: 260537721
+ * If the role switch module probes late the
+ * fwnode_usb_role_switch_get() will fail with -EPROBE_DEFER.
+ * To recover from this, restart the ucsi_init_work
+ * to find the fwnode again using a delayed workqueue.
+ */
+struct ucsi_android {
+ struct ucsi ucsi;
+ struct delayed_work work;
+ int work_count;
+};
+
+#define UCSI_MAX_SVID 5
+#define UCSI_MAX_ALTMODES (UCSI_MAX_SVID * 6)
+
+#define UCSI_TYPEC_VSAFE5V 5000
+#define UCSI_TYPEC_1_5_CURRENT 1500
+#define UCSI_TYPEC_3_0_CURRENT 3000
+
+struct ucsi_connector {
+ int num;
+
+ struct ucsi *ucsi;
+ struct mutex lock; /* port lock */
+ struct work_struct work;
+ struct completion complete;
+
+ struct typec_port *port;
+ struct typec_partner *partner;
+
+ struct typec_altmode *port_altmode[UCSI_MAX_ALTMODES];
+ struct typec_altmode *partner_altmode[UCSI_MAX_ALTMODES];
+
+ struct typec_capability typec_cap;
+
+ u16 unprocessed_changes;
+ struct ucsi_connector_status status;
+ struct ucsi_connector_capability cap;
+ struct power_supply *psy;
+ struct power_supply_desc psy_desc;
+ u32 rdo;
+ u32 src_pdos[PDO_MAX_OBJECTS];
+ int num_pdos;
+
+ struct usb_role_switch *usb_role_sw;
+};
+
+int ucsi_send_command(struct ucsi *ucsi, u64 command,
+ void *retval, size_t size);
+
+void ucsi_altmode_update_active(struct ucsi_connector *con);
+int ucsi_resume(struct ucsi *ucsi);
+
+#if IS_ENABLED(CONFIG_POWER_SUPPLY)
+int ucsi_register_port_psy(struct ucsi_connector *con);
+void ucsi_unregister_port_psy(struct ucsi_connector *con);
+void ucsi_port_psy_changed(struct ucsi_connector *con);
+#else
+static inline int ucsi_register_port_psy(struct ucsi_connector *con) { return 0; }
+static inline void ucsi_unregister_port_psy(struct ucsi_connector *con) { }
+static inline void ucsi_port_psy_changed(struct ucsi_connector *con) { }
+#endif /* CONFIG_POWER_SUPPLY */
+
+#if IS_ENABLED(CONFIG_TYPEC_DP_ALTMODE)
+struct typec_altmode *
+ucsi_register_displayport(struct ucsi_connector *con,
+ bool override, int offset,
+ struct typec_altmode_desc *desc);
+
+void ucsi_displayport_remove_partner(struct typec_altmode *adev);
+
+#else
+static inline struct typec_altmode *
+ucsi_register_displayport(struct ucsi_connector *con,
+ bool override, int offset,
+ struct typec_altmode_desc *desc)
+{
+ return NULL;
+}
+
+static inline void
+ucsi_displayport_remove_partner(struct typec_altmode *adev) { }
+#endif /* CONFIG_TYPEC_DP_ALTMODE */
+
+/*
+ * NVIDIA VirtualLink (svid 0x955) has two altmode. VirtualLink
+ * DP mode with vdo=0x1 and NVIDIA test mode with vdo=0x3
+ */
+#define USB_TYPEC_NVIDIA_VLINK_DP_VDO 0x1
+#define USB_TYPEC_NVIDIA_VLINK_DBG_VDO 0x3
#endif /* __DRIVER_USB_TYPEC_UCSI_H */
--
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