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/* 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.
*/
/* Richtek RT1715 Type-C port controller */
#include "common.h"
#include "rt1715.h"
#include "tcpm/tcpci.h"
#include "tcpm/tcpm.h"
#include "timer.h"
#include "usb_pd.h"
#ifndef CONFIG_USB_PD_TCPM_TCPCI
#error "RT1715 is using a standard TCPCI interface"
#error "Please upgrade your board configuration"
#endif
static int rt1715_enable_ext_messages(int port, int enable)
{
return tcpc_update8(port, RT1715_REG_VENDOR_5,
RT1715_REG_VENDOR_5_ENEXTMSG,
enable ? MASK_SET : MASK_CLR);
}
static int rt1715_tcpci_tcpm_init(int port)
{
int rv;
/* RT1715 has a vendor-defined register reset */
rv = tcpc_update8(port, RT1715_REG_VENDOR_7,
RT1715_REG_VENDOR_7_SOFT_RESET, MASK_SET);
if (rv)
return rv;
msleep(10);
rv = tcpc_update8(port, RT1715_REG_VENDOR_5,
RT1715_REG_VENDOR_5_SHUTDOWN_OFF, MASK_SET);
if (rv)
return rv;
if (IS_ENABLED(CONFIG_USB_PD_REV30))
rt1715_enable_ext_messages(port, 1);
return tcpci_tcpm_init(port);
}
const struct tcpm_drv rt1715_tcpm_drv = {
.init = &rt1715_tcpci_tcpm_init,
.release = &tcpci_tcpm_release,
.get_cc = &tcpci_tcpm_get_cc,
#ifdef CONFIG_USB_PD_VBUS_DETECT_TCPC
.check_vbus_level = &tcpci_tcpm_check_vbus_level,
#endif
.select_rp_value = &tcpci_tcpm_select_rp_value,
.set_cc = &tcpci_tcpm_set_cc,
.set_polarity = &tcpci_tcpm_set_polarity,
#ifdef CONFIG_USB_PD_DECODE_SOP
.sop_prime_enable = &tcpci_tcpm_sop_prime_enable,
#endif
.set_vconn = &tcpci_tcpm_set_vconn,
.set_msg_header = &tcpci_tcpm_set_msg_header,
.set_rx_enable = &tcpci_tcpm_set_rx_enable,
.get_message_raw = &tcpci_tcpm_get_message_raw,
.transmit = &tcpci_tcpm_transmit,
.tcpc_alert = &tcpci_tcpc_alert,
#ifdef CONFIG_USB_PD_DISCHARGE_TCPC
.tcpc_discharge_vbus = &tcpci_tcpc_discharge_vbus,
#endif
.tcpc_enable_auto_discharge_disconnect =
&tcpci_tcpc_enable_auto_discharge_disconnect,
#ifdef CONFIG_USB_PD_DUAL_ROLE_AUTO_TOGGLE
.drp_toggle = &tcpci_tcpc_drp_toggle,
#endif
#ifdef CONFIG_USBC_PPC
.set_snk_ctrl = &tcpci_tcpm_set_snk_ctrl,
.set_src_ctrl = &tcpci_tcpm_set_src_ctrl,
#endif
.get_chip_info = &tcpci_get_chip_info,
#ifdef CONFIG_USB_PD_TCPC_LOW_POWER
.enter_low_power_mode = &tcpci_enter_low_power_mode,
#endif
.set_bist_test_mode = &tcpci_set_bist_test_mode,
};
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