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/* Copyright 2017 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.
*/
/* USB-C Power Path Controller Common Code */
#include "common.h"
#include "console.h"
#include "hooks.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)
/* Simple wrappers to dispatch to the drivers. */
int ppc_init(int port)
{
int rv;
if (port >= ppc_cnt)
return EC_ERROR_INVAL;
rv = ppc_chips[port].drv->init(port);
if (rv)
CPRINTS("p%d: PPC init failed! (%d)", port, rv);
else
CPRINTS("p%d: PPC init'd.", port);
return rv;
}
int ppc_is_sourcing_vbus(int port)
{
if ((port < 0) || (port >= ppc_cnt)) {
CPRINTS("%s(%d) Invalid port!", __func__, port);
return 0;
}
return ppc_chips[port].drv->is_sourcing_vbus(port);
}
#ifdef CONFIG_USBC_PPC_POLARITY
int ppc_set_polarity(int port, int polarity)
{
if ((port < 0) || (port >= ppc_cnt))
return EC_ERROR_INVAL;
return ppc_chips[port].drv->set_polarity(port, polarity);
}
#endif
int ppc_set_vbus_source_current_limit(int port, enum tcpc_rp_value rp)
{
if ((port < 0) || (port >= ppc_cnt))
return EC_ERROR_INVAL;
return ppc_chips[port].drv->set_vbus_source_current_limit(port, rp);
}
int ppc_discharge_vbus(int port, int enable)
{
if ((port < 0) || (port >= ppc_cnt))
return EC_ERROR_INVAL;
return ppc_chips[port].drv->discharge_vbus(port, enable);
}
#ifdef CONFIG_USBC_PPC_VCONN
int ppc_set_vconn(int port, int enable)
{
if ((port < 0) || (port >= ppc_cnt))
return EC_ERROR_INVAL;
return ppc_chips[port].drv->set_vconn(port, enable);
}
#endif
int ppc_vbus_sink_enable(int port, int enable)
{
if ((port < 0) || (port >= ppc_cnt))
return EC_ERROR_INVAL;
return ppc_chips[port].drv->vbus_sink_enable(port, enable);
}
int ppc_enter_low_power_mode(int port)
{
const struct ppc_config_t *const ppc = &ppc_chips[port];
if ((port < 0) || (port >= ppc_cnt))
return EC_ERROR_INVAL;
if (ppc->drv->enter_low_power_mode)
return ppc->drv->enter_low_power_mode(port);
else
return EC_ERROR_UNIMPLEMENTED;
}
int ppc_vbus_source_enable(int port, int enable)
{
if ((port < 0) || (port >= ppc_cnt))
return EC_ERROR_INVAL;
return ppc_chips[port].drv->vbus_source_enable(port, enable);
}
#ifdef CONFIG_USB_PD_VBUS_DETECT_PPC
int ppc_is_vbus_present(int port)
{
if ((port < 0) || (port >= ppc_cnt)) {
CPRINTS("%s(%d) Invalid port!", __func__, port);
return 0;
}
return ppc_chips[port].drv->is_vbus_present(port);
}
#endif /* defined(CONFIG_USB_PD_VBUS_DETECT_PPC) */
#ifdef CONFIG_CMD_PPC_DUMP
static int command_ppc_dump(int argc, char **argv)
{
int port;
if (argc < 2)
return EC_ERROR_PARAM_COUNT;
port = atoi(argv[1]);
if (port >= ppc_cnt)
return EC_ERROR_PARAM1;
return ppc_chips[port].drv->reg_dump(port);
}
DECLARE_CONSOLE_COMMAND(ppc_dump, command_ppc_dump, "<Type-C port>",
"dump the PPC regs");
#endif /* defined(CONFIG_CMD_PPC_DUMP) */
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