diff options
Diffstat (limited to 'drivers/phy/tegra/xusb.h')
| -rw-r--r-- | drivers/phy/tegra/xusb.h | 123 |
1 files changed, 110 insertions, 13 deletions
diff --git a/drivers/phy/tegra/xusb.h b/drivers/phy/tegra/xusb.h index b49dbc36efa3..d2b5f9565132 100644 --- a/drivers/phy/tegra/xusb.h +++ b/drivers/phy/tegra/xusb.h @@ -1,24 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2014-2022, NVIDIA CORPORATION. All rights reserved. * Copyright (c) 2015, Google Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef __PHY_TEGRA_XUSB_H #define __PHY_TEGRA_XUSB_H #include <linux/io.h> +#include <linux/iopoll.h> #include <linux/mutex.h> #include <linux/workqueue.h> +#include <linux/usb/ch9.h> +#include <linux/usb/otg.h> +#include <linux/usb/role.h> + /* legacy entry points for backwards-compatibility */ int tegra_xusb_padctl_legacy_probe(struct platform_device *pdev); int tegra_xusb_padctl_legacy_remove(struct platform_device *pdev); @@ -40,6 +37,10 @@ struct tegra_xusb_lane_soc { const char * const *funcs; unsigned int num_funcs; + + struct { + unsigned int misc_ctl2; + } regs; }; struct tegra_xusb_lane { @@ -54,10 +55,21 @@ struct tegra_xusb_lane { int tegra_xusb_lane_parse_dt(struct tegra_xusb_lane *lane, struct device_node *np); +struct tegra_xusb_usb3_lane { + struct tegra_xusb_lane base; +}; + +static inline struct tegra_xusb_usb3_lane * +to_usb3_lane(struct tegra_xusb_lane *lane) +{ + return container_of(lane, struct tegra_xusb_usb3_lane, base); +} + struct tegra_xusb_usb2_lane { struct tegra_xusb_lane base; u32 hs_curr_level_offset; + bool powered_on; }; static inline struct tegra_xusb_usb2_lane * @@ -120,8 +132,17 @@ struct tegra_xusb_lane_ops { struct device_node *np, unsigned int index); void (*remove)(struct tegra_xusb_lane *lane); + void (*iddq_enable)(struct tegra_xusb_lane *lane); + void (*iddq_disable)(struct tegra_xusb_lane *lane); + int (*enable_phy_sleepwalk)(struct tegra_xusb_lane *lane, enum usb_device_speed speed); + int (*disable_phy_sleepwalk)(struct tegra_xusb_lane *lane); + int (*enable_phy_wake)(struct tegra_xusb_lane *lane); + int (*disable_phy_wake)(struct tegra_xusb_lane *lane); + bool (*remote_wake_detected)(struct tegra_xusb_lane *lane); }; +bool tegra_xusb_lane_check(struct tegra_xusb_lane *lane, const char *function); + /* * pads */ @@ -168,6 +189,19 @@ int tegra_xusb_pad_register(struct tegra_xusb_pad *pad, const struct phy_ops *ops); void tegra_xusb_pad_unregister(struct tegra_xusb_pad *pad); +struct tegra_xusb_usb3_pad { + struct tegra_xusb_pad base; + + unsigned int enable; + struct mutex lock; +}; + +static inline struct tegra_xusb_usb3_pad * +to_usb3_pad(struct tegra_xusb_pad *pad) +{ + return container_of(pad, struct tegra_xusb_usb3_pad, base); +} + struct tegra_xusb_usb2_pad { struct tegra_xusb_pad base; @@ -211,7 +245,7 @@ struct tegra_xusb_pcie_pad { struct reset_control *rst; struct clk *pll; - unsigned int enable; + bool enable; }; static inline struct tegra_xusb_pcie_pad * @@ -226,7 +260,7 @@ struct tegra_xusb_sata_pad { struct reset_control *rst; struct clk *pll; - unsigned int enable; + bool enable; }; static inline struct tegra_xusb_sata_pad * @@ -248,9 +282,18 @@ struct tegra_xusb_port { struct list_head list; struct device dev; + struct usb_role_switch *usb_role_sw; + struct work_struct usb_phy_work; + struct usb_phy usb_phy; + const struct tegra_xusb_port_ops *ops; }; +static inline struct tegra_xusb_port *to_tegra_xusb_port(struct device *dev) +{ + return container_of(dev, struct tegra_xusb_port, dev); +} + struct tegra_xusb_lane_map { unsigned int port; const char *type; @@ -271,7 +314,9 @@ struct tegra_xusb_usb2_port { struct tegra_xusb_port base; struct regulator *supply; + enum usb_dr_mode mode; bool internal; + int usb3_port_fake; }; static inline struct tegra_xusb_usb2_port * @@ -283,6 +328,8 @@ to_usb2_port(struct tegra_xusb_port *port) struct tegra_xusb_usb2_port * tegra_xusb_find_usb2_port(struct tegra_xusb_padctl *padctl, unsigned int index); +void tegra_xusb_usb2_port_release(struct tegra_xusb_port *port); +void tegra_xusb_usb2_port_remove(struct tegra_xusb_port *port); struct tegra_xusb_ulpi_port { struct tegra_xusb_port base; @@ -297,6 +344,8 @@ to_ulpi_port(struct tegra_xusb_port *port) return container_of(port, struct tegra_xusb_ulpi_port, base); } +void tegra_xusb_ulpi_port_release(struct tegra_xusb_port *port); + struct tegra_xusb_hsic_port { struct tegra_xusb_port base; }; @@ -307,12 +356,14 @@ to_hsic_port(struct tegra_xusb_port *port) return container_of(port, struct tegra_xusb_hsic_port, base); } +void tegra_xusb_hsic_port_release(struct tegra_xusb_port *port); + struct tegra_xusb_usb3_port { struct tegra_xusb_port base; - struct regulator *supply; bool context_saved; unsigned int port; bool internal; + bool disable_gen2; u32 tap1; u32 amp; @@ -329,8 +380,11 @@ to_usb3_port(struct tegra_xusb_port *port) struct tegra_xusb_usb3_port * tegra_xusb_find_usb3_port(struct tegra_xusb_padctl *padctl, unsigned int index); +void tegra_xusb_usb3_port_release(struct tegra_xusb_port *port); struct tegra_xusb_port_ops { + void (*release)(struct tegra_xusb_port *port); + void (*remove)(struct tegra_xusb_port *port); int (*enable)(struct tegra_xusb_port *port); void (*disable)(struct tegra_xusb_port *port); struct tegra_xusb_lane *(*map)(struct tegra_xusb_port *port); @@ -347,12 +401,18 @@ struct tegra_xusb_padctl_ops { const struct tegra_xusb_padctl_soc *soc); void (*remove)(struct tegra_xusb_padctl *padctl); + int (*suspend_noirq)(struct tegra_xusb_padctl *padctl); + int (*resume_noirq)(struct tegra_xusb_padctl *padctl); int (*usb3_save_context)(struct tegra_xusb_padctl *padctl, unsigned int index); int (*hsic_set_idle)(struct tegra_xusb_padctl *padctl, unsigned int index, bool idle); int (*usb3_set_lfps_detect)(struct tegra_xusb_padctl *padctl, unsigned int index, bool enable); + int (*vbus_override)(struct tegra_xusb_padctl *padctl, bool set); + int (*utmi_port_reset)(struct phy *phy); + void (*utmi_pad_power_on)(struct phy *phy); + void (*utmi_pad_power_down)(struct phy *phy); }; struct tegra_xusb_padctl_soc { @@ -367,6 +427,15 @@ struct tegra_xusb_padctl_soc { } ports; const struct tegra_xusb_padctl_ops *ops; + + const char * const *supply_names; + unsigned int num_supplies; + bool supports_gen2; + bool need_fake_usb3_port; + bool poll_trk_completed; + bool trk_hw_mode; + bool trk_update_on_idle; + bool supports_lp_cfg_en; }; struct tegra_xusb_padctl { @@ -390,6 +459,8 @@ struct tegra_xusb_padctl { unsigned int enable; struct clk *clk; + + struct regulator_bulk_data *supplies; }; static inline void padctl_writel(struct tegra_xusb_padctl *padctl, u32 value, @@ -407,6 +478,23 @@ static inline u32 padctl_readl(struct tegra_xusb_padctl *padctl, return value; } +static inline u32 padctl_readl_poll(struct tegra_xusb_padctl *padctl, + unsigned long offset, u32 val, u32 mask, + int us) +{ + u32 regval; + int err; + + err = readl_poll_timeout(padctl->regs + offset, regval, + (regval & mask) == val, 1, us); + if (err) { + dev_err(padctl->dev, "%08lx poll timeout > %08x\n", offset, + regval); + } + + return err; +} + struct tegra_xusb_lane *tegra_xusb_find_lane(struct tegra_xusb_padctl *padctl, const char *name, unsigned int index); @@ -417,5 +505,14 @@ extern const struct tegra_xusb_padctl_soc tegra124_xusb_padctl_soc; #if defined(CONFIG_ARCH_TEGRA_210_SOC) extern const struct tegra_xusb_padctl_soc tegra210_xusb_padctl_soc; #endif +#if defined(CONFIG_ARCH_TEGRA_186_SOC) +extern const struct tegra_xusb_padctl_soc tegra186_xusb_padctl_soc; +#endif +#if defined(CONFIG_ARCH_TEGRA_194_SOC) +extern const struct tegra_xusb_padctl_soc tegra194_xusb_padctl_soc; +#endif +#if defined(CONFIG_ARCH_TEGRA_234_SOC) +extern const struct tegra_xusb_padctl_soc tegra234_xusb_padctl_soc; +#endif #endif /* __PHY_TEGRA_XUSB_H */ |