[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / usb / tegra_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 __TEGRA_USB_PHY_H
#define __TEGRA_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 usb_phy u_phy;
	struct device *dev;
};

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

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_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);

#endif /* __TEGRA_USB_PHY_H */
Commit	Line	Data
91525d08	1	/*
91525d08 BG	2	* Copyright (C) 2010 Google, Inc.
	3	*
	4	* This software is licensed under the terms of the GNU General Public
	5	* License version 2, as published by the Free Software Foundation, and
	6	* may be copied, distributed, and modified under those terms.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*
	13	*/
	14
1ba8216f VB	15	#ifndef __TEGRA_USB_PHY_H
1ba8216f VB	16	#define __TEGRA_USB_PHY_H
91525d08 BG	17
	18	#include <linux/clk.h>
	19	#include <linux/usb/otg.h>
	20
	21	struct tegra_utmip_config {
	22	u8 hssync_start_delay;
	23	u8 elastic_limit;
	24	u8 idle_wait_delay;
	25	u8 term_range_adj;
	26	u8 xcvr_setup;
	27	u8 xcvr_lsfslew;
	28	u8 xcvr_lsrslew;
	29	};
	30
	31	struct tegra_ulpi_config {
	32	int reset_gpio;
	33	const char *clk;
	34	};
	35
	36	enum tegra_usb_phy_port_speed {
	37	TEGRA_USB_PHY_PORT_SPEED_FULL = 0,
	38	TEGRA_USB_PHY_PORT_SPEED_LOW,
	39	TEGRA_USB_PHY_PORT_SPEED_HIGH,
	40	};
	41
	42	enum tegra_usb_phy_mode {
	43	TEGRA_USB_PHY_MODE_DEVICE,
	44	TEGRA_USB_PHY_MODE_HOST,
	45	};
	46
	47	struct tegra_xtal_freq;
	48
	49	struct tegra_usb_phy {
	50	int instance;
	51	const struct tegra_xtal_freq *freq;
	52	void __iomem *regs;
	53	void __iomem *pad_regs;
	54	struct clk *clk;
	55	struct clk *pll_u;
	56	struct clk *pad_clk;
	57	enum tegra_usb_phy_mode mode;
	58	void *config;
86753811	59	struct usb_phy *ulpi;
1ba8216f VB	60	struct usb_phy u_phy;
1ba8216f VB	61	struct device *dev;
91525d08 BG	62	};
91525d08 BG	63
aa607ebf SW	64	struct tegra_usb_phy tegra_usb_phy_open(struct device dev, int instance,
aa607ebf SW	65	void __iomem regs, void config, enum tegra_usb_phy_mode phy_mode);
91525d08	66
91525d08 BG	67	void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy);
	68
	69	void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy);
	70
91525d08 BG	71	void tegra_usb_phy_preresume(struct tegra_usb_phy *phy);
	72
	73	void tegra_usb_phy_postresume(struct tegra_usb_phy *phy);
	74
	75	void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy,
	76	enum tegra_usb_phy_port_speed port_speed);
	77
	78	void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy);
	79
1ba8216f	80	#endif /* __TEGRA_USB_PHY_H */