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Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/linux/usb/tcpm.h

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/* SPDX-License-Identifier: GPL-2.0-or-later / / * Copyright 2015-2017 Google, Inc / #ifndef __LINUX_USB_TCPM_H #define __LINUX_USB_TCPM_H #include <linux/bitops.h> #include <linux/usb/typec.h> #include "pd.h" enum typec_cc_status { TYPEC_CC_OPEN, TYPEC_CC_RA, TYPEC_CC_RD, TYPEC_CC_RP_DEF, TYPEC_CC_RP_1_5, TYPEC_CC_RP_3_0, }; enum typec_cc_polarity { TYPEC_POLARITY_CC1, TYPEC_POLARITY_CC2, }; / Time to wait for TCPC to complete transmit / #define PD_T_TCPC_TX_TIMEOUT 100 / in ms / #define PD_ROLE_SWAP_TIMEOUT (MSEC_PER_SEC 10) #define PD_PPS_CTRL_TIMEOUT (MSEC_PER_SEC * 10) enum tcpm_transmit_status { TCPC_TX_SUCCESS = 0, TCPC_TX_DISCARDED = 1, TCPC_TX_FAILED = 2, }; enum tcpm_transmit_type { TCPC_TX_SOP = 0, TCPC_TX_SOP_PRIME = 1, TCPC_TX_SOP_PRIME_PRIME = 2, TCPC_TX_SOP_DEBUG_PRIME = 3, TCPC_TX_SOP_DEBUG_PRIME_PRIME = 4, TCPC_TX_HARD_RESET = 5, TCPC_TX_CABLE_RESET = 6, TCPC_TX_BIST_MODE_2 = 7 }; /** * struct tcpc_config - Port configuration * @src_pdo: PDO parameters sent to port partner as response to * PD_CTRL_GET_SOURCE_CAP message * @nr_src_pdo: Number of entries in @src_pdo * @snk_pdo: PDO parameters sent to partner as response to * PD_CTRL_GET_SINK_CAP message * @nr_snk_pdo: Number of entries in @snk_pdo * @operating_snk_mw: * Required operating sink power in mW * @type: Port type (TYPEC_PORT_DFP, TYPEC_PORT_UFP, or * TYPEC_PORT_DRP) * @default_role: * Default port role (TYPEC_SINK or TYPEC_SOURCE). * Set to TYPEC_NO_PREFERRED_ROLE if no default role. * @try_role_hw:True if try.{Src,Snk} is implemented in hardware * @alt_modes: List of supported alternate modes / struct tcpc_config { const u32 src_pdo; unsigned int nr_src_pdo; const u32 snk_pdo; unsigned int nr_snk_pdo; const u32 snk_vdo; unsigned int nr_snk_vdo; unsigned int operating_snk_mw; enum typec_port_type type; enum typec_port_data data; enum typec_role default_role; bool try_role_hw; /* try.{src,snk} implemented in hardware / bool self_powered; / port belongs to a self powered device / const struct typec_altmode_desc alt_modes; }; /* Mux state attributes / #define TCPC_MUX_USB_ENABLED BIT(0) / USB enabled / #define TCPC_MUX_DP_ENABLED BIT(1) / DP enabled / #define TCPC_MUX_POLARITY_INVERTED BIT(2) / Polarity inverted / /* * struct tcpc_dev - Port configuration and callback functions * @config: Pointer to port configuration * @fwnode: Pointer to port fwnode * @get_vbus: Called to read current VBUS state * @get_current_limit: * Optional; called by the tcpm core when configured as a snk * and cc=Rp-def. This allows the tcpm to provide a fallback * current-limit detection method for the cc=Rp-def case. * For example, some tcpcs may include BC1.2 charger detection * and use that in this case. * @set_cc: Called to set value of CC pins * @get_cc: Called to read current CC pin values * @set_polarity: * Called to set polarity * @set_vconn: Called to enable or disable VCONN * @set_vbus: Called to enable or disable VBUS * @set_current_limit: * Optional; called to set current limit as negotiated * with partner. * @set_pd_rx: Called to enable or disable reception of PD messages * @set_roles: Called to set power and data roles * @start_toggling: * Optional; if supported by hardware, called to start dual-role * toggling or single-role connection detection. Toggling stops * automatically if a connection is established. * @try_role: Optional; called to set a preferred role * @pd_transmit:Called to transmit PD message * @mux: Pointer to multiplexer data / struct tcpc_dev { const struct tcpc_config config; struct fwnode_handle fwnode; int (init)(struct tcpc_dev dev); int (get_vbus)(struct tcpc_dev dev); int (get_current_limit)(struct tcpc_dev dev); int (set_cc)(struct tcpc_dev dev, enum typec_cc_status cc); int (get_cc)(struct tcpc_dev dev, enum typec_cc_status cc1, enum typec_cc_status cc2); int (set_polarity)(struct tcpc_dev dev, enum typec_cc_polarity polarity); int (set_vconn)(struct tcpc_dev dev, bool on); int (set_vbus)(struct tcpc_dev dev, bool on, bool charge); int (set_current_limit)(struct tcpc_dev dev, u32 max_ma, u32 mv); int (set_pd_rx)(struct tcpc_dev dev, bool on); int (set_roles)(struct tcpc_dev dev, bool attached, enum typec_role role, enum typec_data_role data); int (start_toggling)(struct tcpc_dev dev, enum typec_port_type port_type, enum typec_cc_status cc); int (try_role)(struct tcpc_dev dev, int role); int (pd_transmit)(struct tcpc_dev dev, enum tcpm_transmit_type type, const struct pd_message msg); }; struct tcpm_port; struct tcpm_port tcpm_register_port(struct device dev, struct tcpc_dev tcpc); void tcpm_unregister_port(struct tcpm_port port); void tcpm_vbus_change(struct tcpm_port port); void tcpm_cc_change(struct tcpm_port port); void tcpm_pd_receive(struct tcpm_port port, const struct pd_message msg); void tcpm_pd_transmit_complete(struct tcpm_port port, enum tcpm_transmit_status status); void tcpm_pd_hard_reset(struct tcpm_port port); void tcpm_tcpc_reset(struct tcpm_port port); #endif / __LINUX_USB_TCPM_H */

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