114 lines
2.2 KiB
C
114 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2019 MediaTek Inc.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/phy/phy.h>
|
|
#include <linux/phy/mediatek/mtk_usb_phy.h>
|
|
#include <linux/clk.h>
|
|
|
|
#include "mtu3.h"
|
|
#include "mtu3_priv.h"
|
|
|
|
static struct phy *mtk_phy;
|
|
|
|
#if !defined(CONFIG_USB_MU3D_DRV)
|
|
void Charger_Detect_Init(void)
|
|
{
|
|
if (mtu3_cable_mode == CABLE_MODE_FORCEON) {
|
|
pr_info("%s-, SKIP\n", __func__);
|
|
return;
|
|
}
|
|
|
|
if (mtk_phy)
|
|
usb_mtkphy_switch_to_bc11(mtk_phy, true);
|
|
}
|
|
|
|
void Charger_Detect_Release(void)
|
|
{
|
|
if (mtu3_cable_mode == CABLE_MODE_FORCEON) {
|
|
pr_info("%s-, SKIP\n", __func__);
|
|
return;
|
|
}
|
|
|
|
if (mtk_phy)
|
|
usb_mtkphy_switch_to_bc11(mtk_phy, false);
|
|
}
|
|
#endif
|
|
|
|
void usb_dpdm_pulldown(bool enable)
|
|
{
|
|
#ifdef CONFIG_MTK_TYPEC_WATER_DETECT
|
|
if (mtk_phy) {
|
|
pr_info("%s: pulldown=%d\n", __func__, enable);
|
|
usb_mtkphy_dpdm_pulldown(mtk_phy, enable);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
int ssusb_dual_phy_power_on(struct ssusb_mtk *ssusb, bool host_mode)
|
|
{
|
|
int ret;
|
|
|
|
ret = phy_power_on(ssusb->phys[0]);
|
|
|
|
if (host_mode) {
|
|
if (!ret)
|
|
usb_mtkphy_host_mode(ssusb->phys[0], true);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void ssusb_dual_phy_power_off(struct ssusb_mtk *ssusb, bool host_mode)
|
|
{
|
|
if (host_mode)
|
|
usb_mtkphy_host_mode(ssusb->phys[0], false);
|
|
|
|
phy_power_off(ssusb->phys[0]);
|
|
}
|
|
|
|
bool ssusb_u3loop_back_test(struct ssusb_mtk *ssusb)
|
|
{
|
|
int ret;
|
|
void __iomem *ibase = ssusb->ippc_base;
|
|
|
|
ret = clk_prepare_enable(ssusb->sys_clk);
|
|
if (ret) {
|
|
dev_info(ssusb->dev, "failed to enable sys_clk\n");
|
|
return ret;
|
|
}
|
|
mtu3_clrbits(ibase, U3D_SSUSB_IP_PW_CTRL0, SSUSB_IP_SW_RST);
|
|
mtu3_clrbits(ibase, U3D_SSUSB_IP_PW_CTRL1, SSUSB_IP_HOST_PDN);
|
|
mtu3_clrbits(ibase, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
|
|
mtu3_clrbits(ibase, U3D_SSUSB_IP_PW_CTRL3, SSUSB_IP_PCIE_PDN);
|
|
mtu3_clrbits(ibase, SSUSB_U3_CTRL(0),
|
|
(SSUSB_U3_PORT_DIS | SSUSB_U3_PORT_PDN));
|
|
mdelay(10);
|
|
|
|
if (usb_mtkphy_u3_loop_back_test(ssusb->phys[0]) > 0)
|
|
ret = true;
|
|
else
|
|
ret = false;
|
|
|
|
mtu3_setbits(ibase, U3D_SSUSB_IP_PW_CTRL3, SSUSB_IP_PCIE_PDN);
|
|
|
|
clk_disable_unprepare(ssusb->sys_clk);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void phy_hal_init(struct phy *phy)
|
|
{
|
|
mtk_phy = phy;
|
|
mtu3_phy_init_debugfs(mtk_phy);
|
|
}
|
|
|
|
void phy_hal_exit(struct phy *phy)
|
|
{
|
|
mtu3_phy_exit_debugfs();
|
|
mtk_phy = NULL;
|
|
}
|
|
|