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/*
* arch/arm/mach-tegra/include/mach/usb_phy.h
*
* Copyright (C) 2010 Google, Inc.
* Copyright (C) 2011 NVIDIA Corporation.
*
* 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/regulator/consumer.h>
#include <linux/usb/otg.h>
#include <linux/platform_data/tegra_usb.h>
struct tegra_utmip_config {
u8 hssync_start_delay;
u8 elastic_limit;
u8 idle_wait_delay;
u8 term_range_adj;
u8 xcvr_setup;
signed char xcvr_setup_offset;
u8 xcvr_use_fuses;
u8 xcvr_lsfslew;
u8 xcvr_lsrslew;
};
struct tegra_ulpi_trimmer {
u8 shadow_clk_delay; /* 0 ~ 31 */
u8 clock_out_delay; /* 0 ~ 31 */
u8 data_trimmer; /* 0 ~ 7 */
u8 stpdirnxt_trimmer; /* 0 ~ 7 */
};
struct tegra_ulpi_config {
int enable_gpio;
int reset_gpio;
const char *clk;
const struct tegra_ulpi_trimmer *trimmer;
int (*pre_phy_on)(void);
int (*post_phy_on)(void);
int (*pre_phy_off)(void);
int (*post_phy_off)(void);
void (*phy_restore_start)(void);
void (*phy_restore_end)(void);
int phy_restore_gpio; /* null phy restore ack from device */
int ulpi_dir_gpio; /* ulpi dir */
int ulpi_d0_gpio; /* usb linestate[0] */
int ulpi_d1_gpio; /* usb linestate[1] */
};
struct tegra_uhsic_config {
int enable_gpio;
int reset_gpio;
u8 sync_start_delay;
u8 idle_wait_delay;
u8 term_range_adj;
u8 elastic_underrun_limit;
u8 elastic_overrun_limit;
int (*postsuspend)(void);
int (*preresume)(void);
int (*usb_phy_ready)(void);
int (*post_phy_off)(void);
};
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 usb_phy_plat_data {
int instance;
int vbus_irq;
int vbus_gpio;
char * vbus_reg_supply;
};
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 regulator *reg_vdd;
struct regulator *reg_vbus;
enum tegra_usb_phy_type usb_phy_type;
bool regulator_on;
struct otg_transceiver *ulpi;
int initialized;
bool power_on;
bool remote_wakeup;
int hotplug;
unsigned int xcvr_setup_value;
};
typedef int (*tegra_phy_fp)(struct tegra_usb_phy *phy, bool is_dpd);
typedef void (*tegra_phy_restore_start_fp)(struct tegra_usb_phy *phy,
enum tegra_usb_phy_port_speed);
typedef void (*tegra_phy_restore_end_fp)(struct tegra_usb_phy *phy);
struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs,
void *config, enum tegra_usb_phy_mode phy_mode,
enum tegra_usb_phy_type usb_phy_type);
int tegra_usb_phy_power_on(struct tegra_usb_phy *phy, bool is_dpd);
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, bool is_dpd);
void tegra_usb_phy_postsuspend(struct tegra_usb_phy *phy, bool is_dpd);
void tegra_usb_phy_preresume(struct tegra_usb_phy *phy, bool is_dpd);
void tegra_usb_phy_postresume(struct tegra_usb_phy *phy, bool is_dpd);
void tegra_ehci_pre_reset(struct tegra_usb_phy *phy, bool is_dpd);
void tegra_ehci_post_reset(struct tegra_usb_phy *phy, bool is_dpd);
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);
int tegra_usb_phy_bus_connect(struct tegra_usb_phy *phy);
int tegra_usb_phy_bus_reset(struct tegra_usb_phy *phy);
int tegra_usb_phy_bus_idle(struct tegra_usb_phy *phy);
bool tegra_usb_phy_is_device_connected(struct tegra_usb_phy *phy);
bool tegra_usb_phy_charger_detect(struct tegra_usb_phy *phy);
int __init tegra_usb_phy_init(struct usb_phy_plat_data *pdata, int size);
bool tegra_usb_phy_is_remotewake_detected(struct tegra_usb_phy *phy);
void tegra_usb_phy_memory_prefetch_on(struct tegra_usb_phy *phy);
void tegra_usb_phy_memory_prefetch_off(struct tegra_usb_phy *phy);
#endif /* __MACH_USB_PHY_H */
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