chrome-ec/board/host/usb_pd_policy.c

97 lines
1.8 KiB
C

/* 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 "common.h"
#include "console.h"
#include "usb_pd.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)
const uint32_t pd_src_pdo[] = {
PDO_FIXED(5000, 900, PDO_FIXED_FLAGS),
PDO_FIXED(12000, 3000, 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(4750, 21000, 15000),
PDO_VAR(4750, 21000, 3000),
};
const int pd_snk_pdo_cnt = ARRAY_SIZE(pd_snk_pdo);
int pd_is_valid_input_voltage(int mv)
{
/* Any voltage less than the max is allowed */
return 1;
}
void pd_transition_voltage(int idx)
{
/* Not implemented */
}
int pd_set_power_supply_ready(int port)
{
/* Not implemented */
return EC_SUCCESS;
}
void pd_power_supply_reset(int port)
{
/* Not implemented */
}
void pd_set_input_current_limit(int port, uint32_t max_ma,
uint32_t supply_voltage)
{
/* Not implemented */
}
test_mockable int pd_snk_is_vbus_provided(int port)
{
/* Not implemented */
return 1;
}
int pd_board_checks(void)
{
return EC_SUCCESS;
}
int pd_check_power_swap(int port)
{
/* Always allow power swap */
return 1;
}
int pd_check_data_swap(int port, int data_role)
{
/* Always allow data swap */
return 1;
}
void pd_execute_data_swap(int port, int data_role)
{
/* Do nothing */
}
void pd_check_pr_role(int port, int pr_role, int flags)
{
}
void pd_check_dr_role(int port, int dr_role, int flags)
{
}
int pd_custom_vdm(int port, int cnt, uint32_t *payload, uint32_t **rpayload)
{
return 0;
}