summaryrefslogtreecommitdiff
path: root/baseboard/ite_evb/usb_pd_policy.c
diff options
context:
space:
mode:
Diffstat (limited to 'baseboard/ite_evb/usb_pd_policy.c')
-rw-r--r--baseboard/ite_evb/usb_pd_policy.c140
1 files changed, 0 insertions, 140 deletions
diff --git a/baseboard/ite_evb/usb_pd_policy.c b/baseboard/ite_evb/usb_pd_policy.c
deleted file mode 100644
index 59f3da13f5..0000000000
--- a/baseboard/ite_evb/usb_pd_policy.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/* Copyright 2020 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 ite_evb baseboard */
-
-#include "adc.h"
-#include "config.h"
-#include "common.h"
-#include "console.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "it83xx_pd.h"
-#include "registers.h"
-#include "system.h"
-#include "task.h"
-#include "timer.h"
-#include "util.h"
-#include "usb_mux.h"
-
-#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args)
-#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args)
-
-/* ---------------- Power Data Objects (PDOs) ----------------- */
-#ifdef CONFIG_USB_PD_CUSTOM_PDO
-#define PDO_FIXED_FLAGS (PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP |\
- PDO_FIXED_UNCONSTRAINED | PDO_FIXED_COMM_CAP)
-
-/* Threshold voltage of VBUS provided (mV) */
-#define PD_VBUS_PROVIDED_THRESHOLD 3900
-
-const uint32_t pd_src_pdo[] = {
- PDO_FIXED(5000, 1500, PDO_FIXED_FLAGS),
-};
-const int pd_src_pdo_cnt = ARRAY_SIZE(pd_src_pdo);
-
-const uint32_t pd_snk_pdo[] = {
- PDO_FIXED(5000, 500, PDO_FIXED_FLAGS),
- PDO_BATT(4500, 14000, 10000),
- PDO_VAR(4500, 14000, 3000),
-};
-const int pd_snk_pdo_cnt = ARRAY_SIZE(pd_snk_pdo);
-#endif
-
-int pd_is_max_request_allowed(void)
-{
- /* Max voltage request allowed */
- return 1;
-}
-
-int pd_snk_is_vbus_provided(int port)
-{
- int mv = ADC_READ_ERROR;
-
- switch (port) {
- case USBPD_PORT_A:
- mv = adc_read_channel(ADC_VBUSSA);
- break;
- case USBPD_PORT_B:
- mv = adc_read_channel(ADC_VBUSSB);
- break;
- case USBPD_PORT_C:
- mv = adc_read_channel(ADC_VBUSSC);
- break;
- }
-
- return mv > PD_VBUS_PROVIDED_THRESHOLD;
-}
-
-int pd_set_power_supply_ready(int port)
-{
- /* Provide VBUS */
- board_pd_vbus_ctrl(port, 1);
- /* Vbus provided or not */
- return !pd_snk_is_vbus_provided(port);
-}
-
-void pd_power_supply_reset(int port)
-{
- /* Kill VBUS */
- board_pd_vbus_ctrl(port, 0);
-}
-
-
-__override int pd_check_data_swap(int port, enum pd_data_role data_role)
-{
- /* Always allow data swap: we can be DFP or UFP for USB */
- return 1;
-}
-
-int pd_check_vconn_swap(int port)
-{
- /*
- * VCONN is provided directly by the battery(PPVAR_SYS)
- * but use the same rules as power swap
- */
- return pd_get_dual_role(port) == PD_DRP_TOGGLE_ON ? 1 : 0;
-}
-
-/* ----------------- Vendor Defined Messages ------------------ */
-/*
- * We don't have mux on pd evb and not define CONFIG_USBC_SS_MUX,
- * so mux related functions do nothing then return.
- */
-__override int svdm_enter_dp_mode(int port, uint32_t mode_caps)
-{
- /*
- * Do not enter dp mode, we let VDM enumeration stop after discover
- * modes have done.
- */
- return -1;
-}
-
-__override void svdm_dp_post_config(int port)
-{
-}
-
-__override int svdm_dp_attention(int port, uint32_t *payload)
-{
- /* Ack */
- return 1;
-}
-
-__override void svdm_exit_dp_mode(int port)
-{
-}
-
-__override int pd_custom_vdm(int port, int cnt, uint32_t *payload,
- uint32_t **rpayload)
-{
- /* Return length 0, means nothing needn't tx */
- return 0;
-}
-
-__override int svdm_dp_config(int port, uint32_t *payload)
-{
- /* Return length 0, means nothing needn't tx */
- return 0;
-};