diff options
Diffstat (limited to 'drivers/staging/typec/tcpm.h')
| -rw-r--r-- | drivers/staging/typec/tcpm.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/drivers/staging/typec/tcpm.h b/drivers/staging/typec/tcpm.h deleted file mode 100644 index 7e9a6b7b5cd6..000000000000 --- a/drivers/staging/typec/tcpm.h +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Copyright 2015-2017 Google, Inc - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#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) - -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 { - 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 max_snk_mv; - unsigned int max_snk_ma; - unsigned int max_snk_mw; - unsigned int operating_snk_mw; - - enum typec_port_type type; - enum typec_role default_role; - bool try_role_hw; /* try.{src,snk} implemented in hardware */ - - const struct typec_altmode_desc *alt_modes; -}; - -enum tcpc_usb_switch { - TCPC_USB_SWITCH_CONNECT, - TCPC_USB_SWITCH_DISCONNECT, - TCPC_USB_SWITCH_RESTORE, /* TODO FIXME */ -}; - -/* 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 */ - -/* Mux modes, decoded to attributes */ -enum tcpc_mux_mode { - TYPEC_MUX_NONE = 0, /* Open switch */ - TYPEC_MUX_USB = TCPC_MUX_USB_ENABLED, /* USB only */ - TYPEC_MUX_DP = TCPC_MUX_DP_ENABLED, /* DP only */ - TYPEC_MUX_DOCK = TCPC_MUX_USB_ENABLED | /* Both USB and DP */ - TCPC_MUX_DP_ENABLED, -}; - -struct tcpc_mux_dev { - int (*set)(struct tcpc_mux_dev *dev, enum tcpc_mux_mode mux_mode, - enum tcpc_usb_switch usb_config, - enum typec_cc_polarity polarity); - bool dfp_only; - void *priv_data; -}; - -struct tcpc_dev { - const struct tcpc_config *config; - - int (*init)(struct tcpc_dev *dev); - int (*get_vbus)(struct tcpc_dev *dev); - /* - * This optional callback gets 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. E.g. some - * tcpcs may include BC1.2 charger detection and use that in this case. - */ - 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_drp_toggling)(struct tcpc_dev *dev, - 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 tcpc_mux_dev *mux; -}; - -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_update_source_capabilities(struct tcpm_port *port, const u32 *pdo, - unsigned int nr_pdo); -void tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo, - unsigned int nr_pdo, - unsigned int max_snk_mv, - unsigned int max_snk_ma, - unsigned int max_snk_mw, - unsigned int operating_snk_mw); - -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 */ |