diff options
Diffstat (limited to 'board/it83xx_evb/usb_pd_policy.c')
| -rw-r--r-- | board/it83xx_evb/usb_pd_policy.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/board/it83xx_evb/usb_pd_policy.c b/board/it83xx_evb/usb_pd_policy.c index 81e243dc61..1ff691ea04 100644 --- a/board/it83xx_evb/usb_pd_policy.c +++ b/board/it83xx_evb/usb_pd_policy.c @@ -43,17 +43,6 @@ int pd_is_max_request_allowed(void) return 1; } -int pd_is_valid_input_voltage(int mv) -{ - /* Any voltage less than the max is allowed */ - return 1; -} - -void pd_transition_voltage(int idx) -{ - /* No-operation: we are always 5V */ -} - int pd_snk_is_vbus_provided(int port) { int mv = adc_read_channel(port == USBPD_PORT_A ? @@ -77,20 +66,6 @@ void pd_power_supply_reset(int port) board_pd_vbus_ctrl(port, 0); } -int pd_board_checks(void) -{ - return EC_SUCCESS; -} - -int pd_check_power_swap(int port) -{ - /* TODO: use battery level to decide to accept/reject power swap - * Allow power swap as long as we are acting as a dual role device, - * otherwise assume our role is fixed (not in S0 or console command - * to fix our role). - */ - return pd_get_dual_role(port) == PD_DRP_TOGGLE_ON ? 1 : 0; -} int pd_check_data_swap(int port, int data_role) { @@ -106,220 +81,3 @@ int pd_check_vconn_swap(int port) */ return pd_get_dual_role(port) == PD_DRP_TOGGLE_ON ? 1 : 0; } - -void pd_execute_data_swap(int port, int data_role) -{ -} - -void pd_check_pr_role(int port, int pr_role, int flags) -{ - /* - * If partner is dual-role power and dualrole toggling is on, consider - * if a power swap is necessary. - */ - if ((flags & PD_FLAGS_PARTNER_DR_POWER) && - pd_get_dual_role(port) == PD_DRP_TOGGLE_ON) { - /* - * If we are source and partner is externally powered, - * swap to become a sink. - */ - if ((flags & PD_FLAGS_PARTNER_EXTPOWER) && - pr_role == PD_ROLE_SOURCE) - pd_request_power_swap(port); - } -} - -void pd_check_dr_role(int port, int dr_role, int flags) -{ - /* if the partner is a DRP (e.g. laptop), try to switch to UFP */ - if ((flags & PD_FLAGS_PARTNER_DR_DATA) && dr_role == PD_ROLE_DFP) - pd_request_data_swap(port); -} - -/* ----------------- Vendor Defined Messages ------------------ */ -const struct svdm_response svdm_rsp = { - .identity = NULL, - .svids = NULL, - .modes = NULL, -}; - -int pd_custom_vdm(int port, int cnt, uint32_t *payload, - uint32_t **rpayload) -{ - int cmd = PD_VDO_CMD(payload[0]); - uint16_t dev_id = 0; - int is_rw; - - /* make sure we have some payload */ - if (cnt == 0) - return 0; - - switch (cmd) { - case VDO_CMD_VERSION: - /* guarantee last byte of payload is null character */ - *(payload + cnt - 1) = 0; - CPRINTF("version: %s\n", (char *)(payload+1)); - break; - case VDO_CMD_READ_INFO: - case VDO_CMD_SEND_INFO: - /* copy hash */ - if (cnt == 7) { - dev_id = VDO_INFO_HW_DEV_ID(payload[6]); - is_rw = VDO_INFO_IS_RW(payload[6]); - - CPRINTF("DevId:%d.%d SW:%d RW:%d\n", - HW_DEV_ID_MAJ(dev_id), - HW_DEV_ID_MIN(dev_id), - VDO_INFO_SW_DBG_VER(payload[6]), - is_rw); - } else if (cnt == 6) { - /* really old devices don't have last byte */ - pd_dev_store_rw_hash(port, dev_id, payload + 1, - SYSTEM_IMAGE_UNKNOWN); - } - break; - case VDO_CMD_CURRENT: - CPRINTF("Current: %dmA\n", payload[1]); - break; - case VDO_CMD_FLIP: - /* usb_mux_flip(port); */ - break; -#ifdef CONFIG_USB_PD_LOGGING - case VDO_CMD_GET_LOG: - pd_log_recv_vdm(port, cnt, payload); - break; -#endif /* CONFIG_USB_PD_LOGGING */ - } - - return 0; -} - -#ifdef CONFIG_USB_PD_ALT_MODE_DFP -static int dp_flags[CONFIG_USB_PD_PORT_COUNT]; -/* DP Status VDM as returned by UFP */ -static uint32_t dp_status[CONFIG_USB_PD_PORT_COUNT]; - -static void svdm_safe_dp_mode(int port) -{ - /* make DP interface safe until configure */ - dp_flags[port] = 0; - dp_status[port] = 0; - /* usb_mux_set(port, TYPEC_MUX_NONE, - USB_SWITCH_CONNECT, pd_get_polarity(port)); */ -} - -static int svdm_enter_dp_mode(int port, uint32_t mode_caps) -{ - /* Only enter mode if device is DFP_D capable */ - if (mode_caps & MODE_DP_SNK) { - svdm_safe_dp_mode(port); - return 0; - } - - return -1; -} - -static int svdm_dp_status(int port, uint32_t *payload) -{ - int opos = pd_alt_mode(port, USB_SID_DISPLAYPORT); - - payload[0] = VDO(USB_SID_DISPLAYPORT, 1, - CMD_DP_STATUS | VDO_OPOS(opos)); - payload[1] = VDO_DP_STATUS(0, /* HPD IRQ ... not applicable */ - 0, /* HPD level ... not applicable */ - 0, /* exit DP? ... no */ - 0, /* usb mode? ... no */ - 0, /* multi-function ... no */ - (!!(dp_flags[port] & DP_FLAGS_DP_ON)), - 0, /* power low? ... no */ - (!!(dp_flags[port] & DP_FLAGS_DP_ON))); - return 2; -}; - -static int svdm_dp_config(int port, uint32_t *payload) -{ - int opos = pd_alt_mode(port, 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]); - - if (!pin_mode) - return 0; - - /* usb_mux_set(port, mf_pref ? TYPEC_MUX_DOCK : TYPEC_MUX_DP, - USB_SWITCH_CONNECT, 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; -}; - -static void svdm_dp_post_config(int port) -{ - /* TODO: Figure out HPD */ -} - -static int svdm_dp_attention(int port, uint32_t *payload) -{ - /* TODO: Figure out HPD */ - return 1; -} - -static void svdm_exit_dp_mode(int port) -{ - /* TODO: Figure out HPD */ -} - -static int svdm_enter_gfu_mode(int port, uint32_t mode_caps) -{ - /* Always enter GFU mode */ - return 0; -} - -static void svdm_exit_gfu_mode(int port) -{ -} - -static int svdm_gfu_status(int port, uint32_t *payload) -{ - /* - * This is called after enter mode is successful, send unstructured - * VDM to read info. - */ - pd_send_vdm(port, USB_VID_GOOGLE, VDO_CMD_READ_INFO, NULL, 0); - return 0; -} - -static int svdm_gfu_config(int port, uint32_t *payload) -{ - return 0; -} - -static int svdm_gfu_attention(int port, uint32_t *payload) -{ - return 0; -} - -const struct svdm_amode_fx supported_modes[] = { - { - .svid = USB_SID_DISPLAYPORT, - .enter = &svdm_enter_dp_mode, - .status = &svdm_dp_status, - .config = &svdm_dp_config, - .post_config = &svdm_dp_post_config, - .attention = &svdm_dp_attention, - .exit = &svdm_exit_dp_mode, - }, - { - .svid = USB_VID_GOOGLE, - .enter = &svdm_enter_gfu_mode, - .status = &svdm_gfu_status, - .config = &svdm_gfu_config, - .attention = &svdm_gfu_attention, - .exit = &svdm_exit_gfu_mode, - } -}; -const int supported_modes_cnt = ARRAY_SIZE(supported_modes); -#endif /* CONFIG_USB_PD_ALT_MODE_DFP */ |