diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c index 1a575858a36f..a6426a076d5a 100644 --- a/drivers/usb/typec/mux/intel_pmc_mux.c +++ b/drivers/usb/typec/mux/intel_pmc_mux.c @@ -224,9 +224,6 @@ pmc_usb_mux_dp(struct pmc_usb_port *port, struct typec_mux_state *state) return pmc_usb_mux_dp_hpd(port, state->data); } - if (data->status & DP_STATUS_IRQ_HPD) - return pmc_usb_mux_dp_hpd(port, state->data); - req.usage = PMC_USB_ALT_MODE; req.usage |= port->usb3_port << PMC_USB_MSG_USB3_PORT_SHIFT; req.mode_type = PMC_USB_MODE_TYPE_DP << PMC_USB_MODE_TYPE_SHIFT; @@ -345,23 +342,6 @@ static int pmc_usb_mux_safe_state(struct pmc_usb_port *port) return pmc_usb_command(port, &msg, sizeof(msg)); } -static int pmc_usb_connect(struct pmc_usb_port *port) -{ - u8 msg[2]; - - if (port->iom_status & IOM_PORT_STATUS_CONNECTED) - return 0; - - msg[0] = PMC_USB_CONNECT; - msg[0] |= port->usb3_port << PMC_USB_MSG_USB3_PORT_SHIFT; - - msg[1] = port->usb2_port << PMC_USB_MSG_USB2_PORT_SHIFT; - msg[1] |= hsl_orientation(port) << PMC_USB_MSG_ORI_HSL_SHIFT; - msg[1] |= sbu_orientation(port) << PMC_USB_MSG_ORI_AUX_SHIFT; - - return pmc_usb_command(port, msg, sizeof(msg)); -} - static int pmc_usb_disconnect(struct pmc_usb_port *port) { struct typec_displayport_data data = { }; @@ -382,6 +362,36 @@ static int pmc_usb_disconnect(struct pmc_usb_port *port) return pmc_usb_command(port, msg, sizeof(msg)); } +static int pmc_usb_connect(struct pmc_usb_port *port, enum usb_role role) +{ + u8 ufp = role == USB_ROLE_DEVICE ? 1 : 0; + u8 msg[2]; + int ret; + + if (port->orientation == TYPEC_ORIENTATION_NONE) + return -EINVAL; + + if (port->iom_status & IOM_PORT_STATUS_CONNECTED) { + if (port->role == role || port->role == USB_ROLE_NONE) + return 0; + + /* Role swap */ + ret = pmc_usb_disconnect(port); + if (ret) + return ret; + } + + msg[0] = PMC_USB_CONNECT; + msg[0] |= port->usb3_port << PMC_USB_MSG_USB3_PORT_SHIFT; + + msg[1] = port->usb2_port << PMC_USB_MSG_USB2_PORT_SHIFT; + msg[1] |= ufp << PMC_USB_MSG_UFP_SHIFT; + msg[1] |= hsl_orientation(port) << PMC_USB_MSG_ORI_HSL_SHIFT; + msg[1] |= sbu_orientation(port) << PMC_USB_MSG_ORI_AUX_SHIFT; + + return pmc_usb_command(port, msg, sizeof(msg)); +} + static int pmc_usb_mux_set(struct typec_mux *mux, struct typec_mux_state *state) { @@ -395,7 +405,7 @@ pmc_usb_mux_set(struct typec_mux *mux, struct typec_mux_state *state) if (state->mode == TYPEC_STATE_SAFE) return pmc_usb_mux_safe_state(port); if (state->mode == TYPEC_STATE_USB) - return pmc_usb_connect(port); + return pmc_usb_connect(port, port->role); if (state->alt) { switch (state->alt->svid) { @@ -410,7 +420,7 @@ pmc_usb_mux_set(struct typec_mux *mux, struct typec_mux_state *state) /* REVISIT: Try with usb3_port set to 0? */ break; case TYPEC_MODE_USB3: - return pmc_usb_connect(port); + return pmc_usb_connect(port, port->role); case TYPEC_MODE_USB4: return pmc_usb_mux_usb4(port, state); } @@ -428,32 +438,24 @@ static int pmc_usb_set_orientation(struct typec_switch *sw, port->orientation = orientation; - if (port->role) { - if (orientation == TYPEC_ORIENTATION_NONE) - return pmc_usb_disconnect(port); - else - return pmc_usb_connect(port); - } - return 0; } static int pmc_usb_set_role(struct usb_role_switch *sw, enum usb_role role) { struct pmc_usb_port *port = usb_role_switch_get_drvdata(sw); + int ret; update_port_status(port); + if (role == USB_ROLE_NONE) + ret = pmc_usb_disconnect(port); + else + ret = pmc_usb_connect(port, role); + port->role = role; - if (port->orientation) { - if (role == USB_ROLE_NONE) - return pmc_usb_disconnect(port); - else - return pmc_usb_connect(port); - } - - return 0; + return ret; } static int pmc_usb_register_port(struct pmc_usb *pmc, int index,