PATH:
usr
/
src
/
linux-headers-5.4.0-215
/
include
/
linux
/
usb
/* 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 */
[-] sl811.h
[edit]
[-] musb.h
[edit]
[-] ulpi.h
[edit]
[-] rndis_host.h
[edit]
[-] uas.h
[edit]
[-] musb-ux500.h
[edit]
[-] isp1301.h
[edit]
[-] r8a66597.h
[edit]
[-] hcd.h
[edit]
[-] audio-v3.h
[edit]
[-] iowarrior.h
[edit]
[-] otg.h
[edit]
[-] gadget.h
[edit]
[-] chipidea.h
[edit]
[-] pd_ado.h
[edit]
[-] isp1362.h
[edit]
[-] tcpm.h
[edit]
[-] typec_altmode.h
[edit]
[-] ccid.h
[edit]
[-] ehci-dbgp.h
[edit]
[-] typec_dp.h
[edit]
[-] quirks.h
[edit]
[-] usb338x.h
[edit]
[-] phy_companion.h
[edit]
[-] tegra_usb_phy.h
[edit]
[-] cdc.h
[edit]
[-] typec.h
[edit]
[-] cdc-wdm.h
[edit]
[-] otg-fsm.h
[edit]
[-] cdc_ncm.h
[edit]
[-] pd_ext_sdb.h
[edit]
[-] g_hid.h
[edit]
[-] pd.h
[edit]
[-] gadget_configfs.h
[edit]
[-] isp116x.h
[edit]
[-] irda.h
[edit]
[-] ch9.h
[edit]
[+]
..
[-] ezusb.h
[edit]
[-] m66592.h
[edit]
[-] input.h
[edit]
[-] audio-v2.h
[edit]
[-] ehci_def.h
[edit]
[-] ehci_pdriver.h
[edit]
[-] renesas_usbhs.h
[edit]
[-] audio.h
[edit]
[-] phy.h
[edit]
[-] functionfs.h
[edit]
[-] serial.h
[edit]
[-] usb_phy_generic.h
[edit]
[-] gpio_vbus.h
[edit]
[-] usbnet.h
[edit]
[-] composite.h
[edit]
[-] of.h
[edit]
[-] pd_bdo.h
[edit]
[-] net2280.h
[edit]
[-] ohci_pdriver.h
[edit]
[-] c67x00.h
[edit]
[-] pd_vdo.h
[edit]
[-] typec_mux.h
[edit]
[-] storage.h
[edit]
[-] role.h
[edit]
[-] xhci-dbgp.h
[edit]
[-] isp1760.h
[edit]