diff options
Diffstat (limited to 'baseboard/grunt/usb_pd_policy.c')
| -rw-r--r-- | baseboard/grunt/usb_pd_policy.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/baseboard/grunt/usb_pd_policy.c b/baseboard/grunt/usb_pd_policy.c deleted file mode 100644 index 7c4fff953c..0000000000 --- a/baseboard/grunt/usb_pd_policy.c +++ /dev/null @@ -1,149 +0,0 @@ -/* Copyright 2018 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Shared USB-C policy for Grunt boards */ - -#include "charge_manager.h" -#include "common.h" -#include "compile_time_macros.h" -#include "console.h" -#include "ec_commands.h" -#include "gpio.h" -#include "system.h" -#include "usb_mux.h" -#include "usb_pd.h" -#include "usbc_ppc.h" -#include "util.h" - -#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args) -#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args) - -#define PDO_FIXED_FLAGS (PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP |\ - PDO_FIXED_COMM_CAP) - -int pd_check_vconn_swap(int port) -{ - /* in G3, do not allow vconn swap since 5V rail is off */ - return gpio_get_level(GPIO_S5_PGOOD); -} - -void pd_power_supply_reset(int port) -{ - int prev_en; - - prev_en = ppc_is_sourcing_vbus(port); - - /* Disable VBUS. */ - ppc_vbus_source_enable(port, 0); - - /* Enable discharge if we were previously sourcing 5V */ - if (prev_en) - pd_set_vbus_discharge(port, 1); - - /* Notify host of power info change. */ - pd_send_host_event(PD_EVENT_POWER_CHANGE); -} - -int pd_set_power_supply_ready(int port) -{ - int rv; - - /* Disable charging. */ - rv = ppc_vbus_sink_enable(port, 0); - if (rv) - return rv; - - pd_set_vbus_discharge(port, 0); - - /* Provide Vbus. */ - rv = ppc_vbus_source_enable(port, 1); - if (rv) - return rv; - - /* Notify host of power info change. */ - pd_send_host_event(PD_EVENT_POWER_CHANGE); - - return EC_SUCCESS; -} - -int pd_snk_is_vbus_provided(int port) -{ - return ppc_is_vbus_present(port); -} - -int board_vbus_source_enabled(int port) -{ - return ppc_is_sourcing_vbus(port); -} - -/* ----------------- Vendor Defined Messages ------------------ */ -#ifdef CONFIG_USB_PD_ALT_MODE_DFP -mux_state_t svdm_dp_mux_mode(int port) -{ - int mf_pref = PD_VDO_DPSTS_MF_PREF(dp_status[port]); - int pin_mode = pd_dfp_dp_get_pin_mode(port, dp_status[port]); - /* - * Multi-function operation is only allowed if that pin config is - * supported. - */ - if ((pin_mode & MODE_DP_PIN_MF_MASK) && mf_pref) - return USB_PD_MUX_DOCK; - else - return USB_PD_MUX_DP_ENABLED; -} - -__override int svdm_dp_config(int port, uint32_t *payload) -{ - int opos = pd_alt_mode(port, TCPCI_MSG_SOP, USB_SID_DISPLAYPORT); - int mf_pref = PD_VDO_DPSTS_MF_PREF(dp_status[port]); - int pin_mode = pd_dfp_dp_get_pin_mode(port, dp_status[port]); - mux_state_t mux_mode = svdm_dp_mux_mode(port); - - if (!pin_mode) - return 0; - - CPRINTS("pin_mode: %x, mf: %d, mux: %d", pin_mode, mf_pref, mux_mode); - - /* - * Place the USB Type-C pins that are to be re-configured to DisplayPort - * Configuration into the Safe state. For USB_PD_MUX_DOCK, the - * superspeed signals can remain connected. For USB_PD_MUX_DP_ENABLED, - * disconnect the superspeed signals here, before the pins are - * re-configured to DisplayPort (in svdm_dp_post_config, when we receive - * the config ack). - */ - if (mux_mode == USB_PD_MUX_DP_ENABLED) - usb_mux_set(port, USB_PD_MUX_NONE, USB_SWITCH_CONNECT, - polarity_rm_dts(pd_get_polarity(port))); - - payload[0] = VDO(USB_SID_DISPLAYPORT, 1, - CMD_DP_CONFIG | VDO_OPOS(opos)); - payload[1] = VDO_DP_CFG(pin_mode, /* pin mode */ - 1, /* DPv1.3 signaling */ - 2); /* UFP connected */ - return 2; -}; - -#define PORT_TO_HPD(port) ((port) ? GPIO_USB_C1_DP_HPD : GPIO_USB_C0_DP_HPD) -__override void svdm_dp_post_config(int port) -{ - /* Connect the SBU and USB lines to the connector. */ - ppc_set_sbu(port, 1); - usb_mux_set(port, svdm_dp_mux_mode(port), USB_SWITCH_CONNECT, - polarity_rm_dts(pd_get_polarity(port))); - - dp_flags[port] |= DP_FLAGS_DP_ON; - if (!(dp_flags[port] & DP_FLAGS_HPD_HI_PENDING)) - return; - - gpio_set_level(PORT_TO_HPD(port), 1); - - /* set the minimum time delay (2ms) for the next HPD IRQ */ - svdm_hpd_deadline[port] = get_time().val + HPD_USTREAM_DEBOUNCE_LVL; - usb_mux_hpd_update(port, USB_PD_MUX_HPD_LVL | - USB_PD_MUX_HPD_IRQ_DEASSERTED); -} - -#endif /* CONFIG_USB_PD_ALT_MODE_DFP */ |