80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
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/*
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* Copyright (c) 2017-2018, NVIDIA Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TEGRA_USB_CD_H
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#define __TEGRA_USB_CD_H
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#include <linux/phy/phy.h>
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#include <linux/usb/tegra_usb_charger.h>
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#include <linux/device.h>
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#include <linux/phy/tegra/xusb.h>
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/* Charger current limits, as per BC1.2 spec */
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#define USB_CHARGING_DCP_CURRENT_LIMIT_UA 1500000u
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#define USB_CHARGING_CDP_CURRENT_LIMIT_UA 1500000u
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#define USB_CHARGING_SDP_CURRENT_LIMIT_UA 900000u
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#define USB_CHARGING_NON_STANDARD_CHARGER_CURRENT_LIMIT_UA 500000u
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#define USB_CHARGING_APPLE_CHARGER_500mA_CURRENT_LIMIT_UA 500000u
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#define USB_CHARGING_APPLE_CHARGER_1000mA_CURRENT_LIMIT_UA 1000000u
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#define USB_CHARGING_APPLE_CHARGER_2000mA_CURRENT_LIMIT_UA 2000000u
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struct tegra_usb_cd;
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struct tegra_usb_cd_ops {
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int (*init)(struct tegra_usb_cd *ucd);
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int (*open)(struct tegra_usb_cd *ucd);
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int (*close)(struct tegra_usb_cd *ucd);
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int (*power_on)(struct tegra_usb_cd *ucd);
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int (*power_off)(struct tegra_usb_cd *ucd);
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int (*suspend)(struct tegra_usb_cd *ucd);
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int (*resume)(struct tegra_usb_cd *ucd);
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bool (*dcp_cd)(struct tegra_usb_cd *ucd);
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bool (*cdp_cd)(struct tegra_usb_cd *ucd);
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bool (*qc2_cd)(struct tegra_usb_cd *ucd);
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bool (*maxim14675_cd)(struct tegra_usb_cd *ucd);
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int (*apple_cd)(struct tegra_usb_cd *ucd);
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void (*vbus_pad_protection)(struct tegra_usb_cd *ucd, bool enable);
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};
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struct tegra_usb_cd {
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struct device *dev;
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struct tegra_usb_cd_ops *hw_ops;
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struct extcon_dev *edev;
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struct regulator *vbus_reg;
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struct phy *phy;
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struct tegra_xusb_padctl *padctl;
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int open_count;
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unsigned int connect_type;
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u32 sdp_cdp_current_limit_ma;
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u32 current_limit_ma;
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u32 dcp_current_limit_ma;
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u32 qc2_current_limit_ma;
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u32 qc2_voltage;
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};
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struct tegra_usb_cd_soc_data {
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int (*init_hw_ops)(struct tegra_usb_cd *ucd);
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};
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enum tegra_usb_cd_apple_chargers {
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APPLE_500MA,
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APPLE_1000MA,
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APPLE_2000MA,
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};
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int tegra_usb_cd_init_ops(struct tegra_usb_cd *ucd);
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#endif /* __TEGRA_USB_CD_H */
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