Release 4.11 drivers/phy/tegra/xusb.h

/*
 * Copyright (c) 2014-2015, 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/mutex.h>
#include <linux/workqueue.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);

struct phy;
struct phy_provider;
struct platform_device;
struct regulator;

/*
 * lanes
 */

struct tegra_xusb_lane_soc {
	
const char *name;

	
unsigned int offset;
	
unsigned int shift;
	
unsigned int mask;

	
const char * const *funcs;
	
unsigned int num_funcs;
};


struct tegra_xusb_lane {
	
const struct tegra_xusb_lane_soc *soc;
	
struct tegra_xusb_pad *pad;
	
struct device_node *np;
	
struct list_head list;
	
unsigned int function;
	
unsigned int index;
};

int tegra_xusb_lane_parse_dt(struct tegra_xusb_lane *lane,
			     struct device_node *np);


struct tegra_xusb_usb2_lane {
	
struct tegra_xusb_lane base;

	
u32 hs_curr_level_offset;
};


static inline struct tegra_xusb_usb2_lane *

to_usb2_lane(struct tegra_xusb_lane *lane)
{
	return container_of(lane, struct tegra_xusb_usb2_lane, base);
}

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struct tegra_xusb_ulpi_lane {
	
struct tegra_xusb_lane base;
};


static inline struct tegra_xusb_ulpi_lane *

to_ulpi_lane(struct tegra_xusb_lane *lane)
{
	return container_of(lane, struct tegra_xusb_ulpi_lane, base);
}

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struct tegra_xusb_hsic_lane {
	
struct tegra_xusb_lane base;

	
u32 strobe_trim;
	
u32 rx_strobe_trim;
	
u32 rx_data_trim;
	
u32 tx_rtune_n;
	
u32 tx_rtune_p;
	
u32 tx_rslew_n;
	
u32 tx_rslew_p;
	
bool auto_term;
};


static inline struct tegra_xusb_hsic_lane *

to_hsic_lane(struct tegra_xusb_lane *lane)
{
	return container_of(lane, struct tegra_xusb_hsic_lane, base);
}

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struct tegra_xusb_pcie_lane {
	
struct tegra_xusb_lane base;
};


static inline struct tegra_xusb_pcie_lane *

to_pcie_lane(struct tegra_xusb_lane *lane)
{
	return container_of(lane, struct tegra_xusb_pcie_lane, base);
}

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struct tegra_xusb_sata_lane {
	
struct tegra_xusb_lane base;
};


static inline struct tegra_xusb_sata_lane *

to_sata_lane(struct tegra_xusb_lane *lane)
{
	return container_of(lane, struct tegra_xusb_sata_lane, base);
}

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struct tegra_xusb_lane_ops {
	
struct tegra_xusb_lane *(*probe)(struct tegra_xusb_pad *pad,
					 struct device_node *np,
					 unsigned int index);
	
void (*remove)(struct tegra_xusb_lane *lane);
};

/*
 * pads
 */
struct tegra_xusb_pad_soc;
struct tegra_xusb_padctl;


struct tegra_xusb_pad_ops {
	
struct tegra_xusb_pad *(*probe)(struct tegra_xusb_padctl *padctl,
					const struct tegra_xusb_pad_soc *soc,
					struct device_node *np);
	
void (*remove)(struct tegra_xusb_pad *pad);
};


struct tegra_xusb_pad_soc {
	
const char *name;

	
const struct tegra_xusb_lane_soc *lanes;
	
unsigned int num_lanes;

	
const struct tegra_xusb_pad_ops *ops;
};


struct tegra_xusb_pad {
	
const struct tegra_xusb_pad_soc *soc;
	
struct tegra_xusb_padctl *padctl;
	
struct phy_provider *provider;
	
struct phy **lanes;
	
struct device dev;

	
const struct tegra_xusb_lane_ops *ops;

	
struct list_head list;
};



static inline struct tegra_xusb_pad *to_tegra_xusb_pad(struct device *dev)
{
	return container_of(dev, struct tegra_xusb_pad, dev);
}

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int tegra_xusb_pad_init(struct tegra_xusb_pad *pad,
			struct tegra_xusb_padctl *padctl,
			struct device_node *np);
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_usb2_pad {
	
struct tegra_xusb_pad base;

	
struct clk *clk;
	
unsigned int enable;
	
struct mutex lock;
};


static inline struct tegra_xusb_usb2_pad *

to_usb2_pad(struct tegra_xusb_pad *pad)
{
	return container_of(pad, struct tegra_xusb_usb2_pad, base);
}

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struct tegra_xusb_ulpi_pad {
	
struct tegra_xusb_pad base;
};


static inline struct tegra_xusb_ulpi_pad *

to_ulpi_pad(struct tegra_xusb_pad *pad)
{
	return container_of(pad, struct tegra_xusb_ulpi_pad, base);
}

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struct tegra_xusb_hsic_pad {
	
struct tegra_xusb_pad base;

	
struct regulator *supply;
	
struct clk *clk;
};


static inline struct tegra_xusb_hsic_pad *

to_hsic_pad(struct tegra_xusb_pad *pad)
{
	return container_of(pad, struct tegra_xusb_hsic_pad, base);
}

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struct tegra_xusb_pcie_pad {
	
struct tegra_xusb_pad base;

	
struct reset_control *rst;
	
struct clk *pll;

	
unsigned int enable;
};


static inline struct tegra_xusb_pcie_pad *

to_pcie_pad(struct tegra_xusb_pad *pad)
{
	return container_of(pad, struct tegra_xusb_pcie_pad, base);
}

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struct tegra_xusb_sata_pad {
	
struct tegra_xusb_pad base;

	
struct reset_control *rst;
	
struct clk *pll;

	
unsigned int enable;
};


static inline struct tegra_xusb_sata_pad *

to_sata_pad(struct tegra_xusb_pad *pad)
{
	return container_of(pad, struct tegra_xusb_sata_pad, base);
}

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/*
 * ports
 */
struct tegra_xusb_port_ops;


struct tegra_xusb_port {
	
struct tegra_xusb_padctl *padctl;
	
struct tegra_xusb_lane *lane;
	
unsigned int index;

	
struct list_head list;
	
struct device dev;

	
const struct tegra_xusb_port_ops *ops;
};


struct tegra_xusb_lane_map {
	
unsigned int port;
	
const char *type;
	
unsigned int index;
	
const char *func;
};

struct tegra_xusb_lane *
tegra_xusb_port_find_lane(struct tegra_xusb_port *port,
			  const struct tegra_xusb_lane_map *map,
			  const char *function);

struct tegra_xusb_port *
tegra_xusb_find_port(struct tegra_xusb_padctl *padctl, const char *type,
		     unsigned int index);


struct tegra_xusb_usb2_port {
	
struct tegra_xusb_port base;

	
struct regulator *supply;
	
bool internal;
};


static inline struct tegra_xusb_usb2_port *

to_usb2_port(struct tegra_xusb_port *port)
{
	return container_of(port, struct tegra_xusb_usb2_port, base);
}

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struct tegra_xusb_usb2_port *
tegra_xusb_find_usb2_port(struct tegra_xusb_padctl *padctl,
			  unsigned int index);


struct tegra_xusb_ulpi_port {
	
struct tegra_xusb_port base;

	
struct regulator *supply;
	
bool internal;
};


static inline struct tegra_xusb_ulpi_port *

to_ulpi_port(struct tegra_xusb_port *port)
{
	return container_of(port, struct tegra_xusb_ulpi_port, base);
}

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struct tegra_xusb_hsic_port {
	
struct tegra_xusb_port base;
};


static inline struct tegra_xusb_hsic_port *

to_hsic_port(struct tegra_xusb_port *port)
{
	return container_of(port, struct tegra_xusb_hsic_port, base);
}

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struct tegra_xusb_usb3_port {
	
struct tegra_xusb_port base;
	
struct regulator *supply;
	
bool context_saved;
	
unsigned int port;
	
bool internal;

	
u32 tap1;
	
u32 amp;
	
u32 ctle_z;
	
u32 ctle_g;
};


static inline struct tegra_xusb_usb3_port *

to_usb3_port(struct tegra_xusb_port *port)
{
	return container_of(port, struct tegra_xusb_usb3_port, base);
}

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struct tegra_xusb_usb3_port *
tegra_xusb_find_usb3_port(struct tegra_xusb_padctl *padctl,
			  unsigned int index);


struct tegra_xusb_port_ops {
	
int (*enable)(struct tegra_xusb_port *port);
	
void (*disable)(struct tegra_xusb_port *port);
	
struct tegra_xusb_lane *(*map)(struct tegra_xusb_port *port);
};

/*
 * pad controller
 */
struct tegra_xusb_padctl_soc;


struct tegra_xusb_padctl_ops {
	struct tegra_xusb_padctl *
		(
*probe)(struct device *dev,
			 const struct tegra_xusb_padctl_soc *soc);
	
void (*remove)(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);
};


struct tegra_xusb_padctl_soc {
	
const struct tegra_xusb_pad_soc * const *pads;
	
unsigned int num_pads;

	struct {
		struct {
			
const struct tegra_xusb_port_ops *ops;
			
unsigned int count;
		} 



usb2, ulpi, hsic, usb3;
	} 
ports;

	
const struct tegra_xusb_padctl_ops *ops;
};


struct tegra_xusb_padctl {
	
struct device *dev;
	
void __iomem *regs;
	
struct mutex lock;
	
struct reset_control *rst;

	
const struct tegra_xusb_padctl_soc *soc;

	
struct tegra_xusb_pad *pcie;
	
struct tegra_xusb_pad *sata;
	
struct tegra_xusb_pad *ulpi;
	
struct tegra_xusb_pad *usb2;
	
struct tegra_xusb_pad *hsic;

	
struct list_head ports;
	
struct list_head lanes;
	
struct list_head pads;

	
unsigned int enable;

	
struct clk *clk;
};



static inline void padctl_writel(struct tegra_xusb_padctl *padctl, u32 value,
				 unsigned long offset)
{
	dev_dbg(padctl->dev, "%08lx < %08x\n", offset, value);
	writel(value, padctl->regs + offset);
}

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static inline u32 padctl_readl(struct tegra_xusb_padctl *padctl,
			       unsigned long offset)
{
	u32 value = readl(padctl->regs + offset);
	dev_dbg(padctl->dev, "%08lx > %08x\n", offset, value);
	return value;
}

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struct tegra_xusb_lane *tegra_xusb_find_lane(struct tegra_xusb_padctl *padctl,
					     const char *name,
					     unsigned int index);

#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC)
extern const struct tegra_xusb_padctl_soc tegra124_xusb_padctl_soc;
#endif
#if defined(CONFIG_ARCH_TEGRA_210_SOC)
extern const struct tegra_xusb_padctl_soc tegra210_xusb_padctl_soc;
#endif

#endif /* __PHY_TEGRA_XUSB_H */
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Directory: drivers/phy/tegra

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