diff options
Diffstat (limited to 'board/dingdong/usb_pd_policy.c')
-rw-r--r-- | board/dingdong/usb_pd_policy.c | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/board/dingdong/usb_pd_policy.c b/board/dingdong/usb_pd_policy.c deleted file mode 100644 index 50700f8a62..0000000000 --- a/board/dingdong/usb_pd_policy.c +++ /dev/null @@ -1,292 +0,0 @@ -/* Copyright 2014 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. - */ - -#include "adc.h" -#include "board.h" -#include "common.h" -#include "console.h" -#include "cros_version.h" -#include "ec_commands.h" -#include "gpio.h" -#include "hooks.h" -#include "registers.h" -#include "task.h" -#include "timer.h" -#include "util.h" -#include "usb_bb.h" -#include "usb_api.h" -#include "usb_pd.h" -#include "usb_pd_tcpm.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_COMM_CAP - -/* Source PDOs */ -const uint32_t pd_src_pdo[] = {}; -const int pd_src_pdo_cnt = ARRAY_SIZE(pd_src_pdo); - -/* Fake PDOs : we just want our pre-defined voltages */ -const uint32_t pd_snk_pdo[] = { - PDO_FIXED(5000, 500, PDO_FIXED_FLAGS), -}; -const int pd_snk_pdo_cnt = ARRAY_SIZE(pd_snk_pdo); - -/* Holds valid object position (opos) for entered mode */ -static int alt_mode[PD_AMODE_COUNT]; - -void pd_set_input_current_limit(int port, uint32_t max_ma, - uint32_t supply_voltage) -{ - /* No battery, nothing to do */ - return; -} - -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: sink only */ -} - -int pd_set_power_supply_ready(int port) -{ - return EC_SUCCESS; -} - -void pd_power_supply_reset(int port) -{ -} - -int pd_snk_is_vbus_provided(int port) -{ - return 1; -} - -int pd_board_checks(void) -{ - return EC_SUCCESS; -} - -int pd_check_power_swap(int port) -{ - /* Always refuse power swap */ - return 0; -} - -int pd_check_data_swap(int port, - enum pd_data_role data_role) -{ - /* Always refuse data swap */ - return 0; -} - -void pd_execute_data_swap(int port, - enum pd_data_role data_role) -{ - /* Do nothing */ -} - -void pd_check_pr_role(int port, - enum pd_power_role pr_role, - int flags) -{ -} - -void pd_check_dr_role(int port, - enum pd_data_role dr_role, - int flags) -{ -} -/* ----------------- Vendor Defined Messages ------------------ */ -const uint32_t vdo_idh = VDO_IDH(0, /* data caps as USB host */ - 1, /* data caps as USB device */ - IDH_PTYPE_AMA, /* Alternate mode */ - 1, /* supports alt modes */ - USB_VID_GOOGLE); - -const uint32_t vdo_product = VDO_PRODUCT(CONFIG_USB_PID, CONFIG_USB_BCD_DEV); - -const uint32_t vdo_ama = VDO_AMA(CONFIG_USB_PD_IDENTITY_HW_VERS, - CONFIG_USB_PD_IDENTITY_SW_VERS, - 0, 0, 0, 0, /* SS[TR][12] */ - 0, /* Vconn power */ - 0, /* Vconn power required */ - 1, /* Vbus power required */ - AMA_USBSS_BBONLY /* USB SS support */); - -static int svdm_response_identity(int port, uint32_t *payload) -{ - payload[VDO_I(IDH)] = vdo_idh; - /* TODO(tbroch): Do we plan to obtain TID (test ID) for hoho */ - payload[VDO_I(CSTAT)] = VDO_CSTAT(0); - payload[VDO_I(PRODUCT)] = vdo_product; - payload[VDO_I(AMA)] = vdo_ama; - return VDO_I(AMA) + 1; -} - -static int svdm_response_svids(int port, uint32_t *payload) -{ - payload[1] = VDO_SVID(USB_SID_DISPLAYPORT, USB_VID_GOOGLE); - payload[2] = 0; - return 3; -} - -#define OPOS_DP 1 -#define OPOS_GFU 1 - -const uint32_t vdo_dp_modes[1] = { - VDO_MODE_DP(0, /* UFP pin cfg supported : none */ - MODE_DP_PIN_E, /* DFP pin cfg supported */ - 1, /* no usb2.0 signalling in AMode */ - CABLE_PLUG, /* its a plug */ - MODE_DP_V13, /* DPv1.3 Support, no Gen2 */ - MODE_DP_SNK) /* Its a sink only */ -}; - -const uint32_t vdo_goog_modes[1] = { - VDO_MODE_GOOGLE(MODE_GOOGLE_FU) -}; - -static int svdm_response_modes(int port, uint32_t *payload) -{ - if (PD_VDO_VID(payload[0]) == USB_SID_DISPLAYPORT) { - memcpy(payload + 1, vdo_dp_modes, sizeof(vdo_dp_modes)); - return ARRAY_SIZE(vdo_dp_modes) + 1; - } else if (PD_VDO_VID(payload[0]) == USB_VID_GOOGLE) { - memcpy(payload + 1, vdo_goog_modes, sizeof(vdo_goog_modes)); - return ARRAY_SIZE(vdo_goog_modes) + 1; - } else { - return 0; /* nak */ - } -} - -static int dp_status(int port, uint32_t *payload) -{ - int opos = PD_VDO_OPOS(payload[0]); - int hpd = gpio_get_level(GPIO_DP_HPD); - if (opos != OPOS_DP) - return 0; /* nak */ - - payload[1] = VDO_DP_STATUS(0, /* IRQ_HPD */ - (hpd == 1), /* HPD_HI|LOW */ - 0, /* request exit DP */ - 0, /* request exit USB */ - 0, /* MF pref */ - gpio_get_level(GPIO_PD_SBU_ENABLE), - 0, /* power low */ - 0x2); - return 2; -} - -static int dp_config(int port, uint32_t *payload) -{ - if (PD_DP_CFG_DPON(payload[1])) - gpio_set_level(GPIO_PD_SBU_ENABLE, 1); - - return 1; -} - -static int svdm_enter_mode(int port, uint32_t *payload) -{ - int rv = 0; /* will generate a NAK */ - - /* SID & mode request is valid */ - if ((PD_VDO_VID(payload[0]) == USB_SID_DISPLAYPORT) && - (PD_VDO_OPOS(payload[0]) == OPOS_DP)) { - alt_mode[PD_AMODE_DISPLAYPORT] = OPOS_DP; - rv = 1; - pd_log_event(PD_EVENT_VIDEO_DP_MODE, 0, 1, NULL); - } else if ((PD_VDO_VID(payload[0]) == USB_VID_GOOGLE) && - (PD_VDO_OPOS(payload[0]) == OPOS_GFU)) { - alt_mode[PD_AMODE_GOOGLE] = OPOS_GFU; - rv = 1; - } - - if (rv) - /* - * If we failed initial mode entry we'll have enumerated the USB - * Billboard class. If so we should disconnect. - */ - usb_disconnect(); - - return rv; -} - -int pd_alt_mode(int port, enum tcpci_msg_type type, uint16_t svid) -{ - if (type != TCPCI_MSG_SOP) - return 0; - - if (svid == USB_SID_DISPLAYPORT) - return alt_mode[PD_AMODE_DISPLAYPORT]; - else if (svid == USB_VID_GOOGLE) - return alt_mode[PD_AMODE_GOOGLE]; - return 0; -} - -static int svdm_exit_mode(int port, uint32_t *payload) -{ - if (PD_VDO_VID(payload[0]) == USB_SID_DISPLAYPORT) { - gpio_set_level(GPIO_PD_SBU_ENABLE, 0); - alt_mode[PD_AMODE_DISPLAYPORT] = 0; - pd_log_event(PD_EVENT_VIDEO_DP_MODE, 0, 0, NULL); - } else if (PD_VDO_VID(payload[0]) == USB_VID_GOOGLE) { - alt_mode[PD_AMODE_GOOGLE] = 0; - } else { - CPRINTF("Unknown exit mode req:0x%08x\n", payload[0]); - } - - return 1; /* Must return ACK */ -} - -static struct amode_fx dp_fx = { - .status = &dp_status, - .config = &dp_config, -}; - -const struct svdm_response svdm_rsp = { - .identity = &svdm_response_identity, - .svids = &svdm_response_svids, - .modes = &svdm_response_modes, - .enter_mode = &svdm_enter_mode, - .amode = &dp_fx, - .exit_mode = &svdm_exit_mode, -}; - -int pd_custom_vdm(int port, int cnt, uint32_t *payload, - uint32_t **rpayload) -{ - int rsize; - - if (PD_VDO_VID(payload[0]) != USB_VID_GOOGLE || - !alt_mode[PD_AMODE_GOOGLE]) - return 0; - - *rpayload = payload; - - rsize = pd_custom_flash_vdm(port, cnt, payload); - if (!rsize) { - int cmd = PD_VDO_CMD(payload[0]); - switch (cmd) { - case VDO_CMD_GET_LOG: - rsize = pd_vdm_get_log_entry(payload); - break; - default: - /* Unknown : do not answer */ - return 0; - } - } - - /* respond (positively) to the request */ - payload[0] |= VDO_SRC_RESPONDER; - - return rsize; -} |