[linux-2.6-block.git] / arch / arm / mach-tegra / include / mach / usb_phy.h

/*
 * arch/arm/mach-tegra/include/mach/usb_phy.h
 *
 * Copyright (C) 2010 Google, Inc.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that 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 __MACH_USB_PHY_H
#define __MACH_USB_PHY_H

#include <linux/clk.h>
#include <linux/usb/otg.h>

struct tegra_utmip_config {
	u8 hssync_start_delay;
	u8 elastic_limit;
	u8 idle_wait_delay;
	u8 term_range_adj;
	u8 xcvr_setup;
	u8 xcvr_lsfslew;
	u8 xcvr_lsrslew;
};

struct tegra_ulpi_config {
	int reset_gpio;
	const char *clk;
};

enum tegra_usb_phy_port_speed {
	TEGRA_USB_PHY_PORT_SPEED_FULL = 0,
	TEGRA_USB_PHY_PORT_SPEED_LOW,
	TEGRA_USB_PHY_PORT_SPEED_HIGH,
};

enum tegra_usb_phy_mode {
	TEGRA_USB_PHY_MODE_DEVICE,
	TEGRA_USB_PHY_MODE_HOST,
};

struct tegra_xtal_freq;

struct tegra_usb_phy {
	int instance;
	const struct tegra_xtal_freq *freq;
	void __iomem *regs;
	void __iomem *pad_regs;
	struct clk *clk;
	struct clk *pll_u;
	struct clk *pad_clk;
	enum tegra_usb_phy_mode mode;
	void *config;
	struct usb_phy *ulpi;
};

struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs,
			void *config, enum tegra_usb_phy_mode phy_mode);

int tegra_usb_phy_power_on(struct tegra_usb_phy *phy);

void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy);

void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy);

void tegra_usb_phy_power_off(struct tegra_usb_phy *phy);

void tegra_usb_phy_preresume(struct tegra_usb_phy *phy);

void tegra_usb_phy_postresume(struct tegra_usb_phy *phy);

void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy,
				 enum tegra_usb_phy_port_speed port_speed);

void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy);

void tegra_usb_phy_close(struct tegra_usb_phy *phy);

#endif /* __MACH_USB_PHY_H */
Commit	Line	Data
91525d08 BG	1	/*
	2	* arch/arm/mach-tegra/include/mach/usb_phy.h
	3	*
	4	* Copyright (C) 2010 Google, Inc.
	5	*
	6	* This software is licensed under the terms of the GNU General Public
	7	* License version 2, as published by the Free Software Foundation, and
	8	* may be copied, distributed, and modified under those terms.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	*/
	16
	17	#ifndef __MACH_USB_PHY_H
	18	#define __MACH_USB_PHY_H
	19
	20	#include <linux/clk.h>
	21	#include <linux/usb/otg.h>
	22
	23	struct tegra_utmip_config {
	24	u8 hssync_start_delay;
	25	u8 elastic_limit;
	26	u8 idle_wait_delay;
	27	u8 term_range_adj;
	28	u8 xcvr_setup;
	29	u8 xcvr_lsfslew;
	30	u8 xcvr_lsrslew;
	31	};
	32
	33	struct tegra_ulpi_config {
	34	int reset_gpio;
	35	const char *clk;
	36	};
	37
	38	enum tegra_usb_phy_port_speed {
	39	TEGRA_USB_PHY_PORT_SPEED_FULL = 0,
	40	TEGRA_USB_PHY_PORT_SPEED_LOW,
	41	TEGRA_USB_PHY_PORT_SPEED_HIGH,
	42	};
	43
	44	enum tegra_usb_phy_mode {
	45	TEGRA_USB_PHY_MODE_DEVICE,
	46	TEGRA_USB_PHY_MODE_HOST,
	47	};
	48
	49	struct tegra_xtal_freq;
	50
	51	struct tegra_usb_phy {
	52	int instance;
	53	const struct tegra_xtal_freq *freq;
	54	void __iomem *regs;
	55	void __iomem *pad_regs;
	56	struct clk *clk;
	57	struct clk *pll_u;
	58	struct clk *pad_clk;
	59	enum tegra_usb_phy_mode mode;
	60	void *config;
86753811	61	struct usb_phy *ulpi;
91525d08 BG	62	};
	63
	64	struct tegra_usb_phy tegra_usb_phy_open(int instance, void __iomem regs,
	65	void *config, enum tegra_usb_phy_mode phy_mode);
	66
	67	int tegra_usb_phy_power_on(struct tegra_usb_phy *phy);
	68
	69	void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy);
	70
	71	void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy);
	72
	73	void tegra_usb_phy_power_off(struct tegra_usb_phy *phy);
	74
	75	void tegra_usb_phy_preresume(struct tegra_usb_phy *phy);
	76
	77	void tegra_usb_phy_postresume(struct tegra_usb_phy *phy);
	78
	79	void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy,
	80	enum tegra_usb_phy_port_speed port_speed);
	81
	82	void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy);
	83
	84	void tegra_usb_phy_close(struct tegra_usb_phy *phy);
	85
	86	#endif /* __MACH_USB_PHY_H */