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/*
* Copyright (C) 2010 Google, Inc.
* Copyright (C) 2010 Samsung Electronics.
*
* 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 __MODEM_LINK_DEVICE_USB_H__
#define __MODEM_LINK_DEVICE_USB_H__
enum {
IF_USB_BOOT_EP = 0,
IF_USB_FMT_EP = 0,
IF_USB_RAW_EP,
IF_USB_RFS_EP,
IF_USB_CMD_EP,
IF_USB_DEVNUM_MAX,
};
/* each pipe has 2 ep for in/out */
#define LINKPM_DEV_NUM (IF_USB_DEVNUM_MAX * 2)
/******************/
/* xmm6260 specific */
#define IOCTL_LINK_CONTROL_ENABLE _IO('o', 0x30)
#define IOCTL_LINK_CONTROL_ACTIVE _IO('o', 0x31)
#define IOCTL_LINK_GET_HOSTWAKE _IO('o', 0x32)
#define IOCTL_LINK_CONNECTED _IO('o', 0x33)
#define IOCTL_LINK_SET_BIAS_CLEAR _IO('o', 0x34)
#define IOCTL_LINK_GET_PHONEACTIVE _IO('o', 0x35)
/* VID,PID for IMC - XMM6260, XMM6262*/
#define IMC_BOOT_VID 0x058b
#define IMC_BOOT_PID 0x0041
#define IMC_MAIN_VID 0x1519
#define IMC_MAIN_PID 0x0020
/* VID,PID for STE - M7400 */
#define STE_BOOT_VID 0x04cc
#define STE_BOOT_PID 0x7400
#define STE_MAIN_VID 0x04cc
#define STE_MAIN_PID 0x2333
enum {
BOOT_DOWN = 0,
IPC_CHANNEL
};
enum ch_state {
STATE_SUSPENDED,
STATE_RESUMED,
};
#define HOSTWAKE_TRIGLEVEL 0
/******************/
struct link_pm_info {
struct usb_link_device *usb_ld;
};
struct usb_id_info {
int intf_id;
struct usb_link_device *usb_ld;
};
struct link_pm_data {
struct miscdevice miscdev;
struct usb_link_device *usb_ld;
unsigned irq_link_hostwake;
int (*link_ldo_enable)(bool);
unsigned gpio_link_enable;
unsigned gpio_link_active;
unsigned gpio_link_hostwake;
unsigned gpio_link_slavewake;
int (*link_reconnect)(void);
int link_reconnect_cnt;
struct workqueue_struct *wq;
struct completion active_done;
struct delayed_work link_pm_work;
struct delayed_work link_pm_start;
struct delayed_work link_reconnect_work;
bool resume_requested;
bool link_pm_active;
int resume_retry_cnt;
struct wake_lock l2_wake;
struct wake_lock boot_wake;
struct wake_lock rpm_wake;
struct wake_lock tx_async_wake;
struct notifier_block pm_notifier;
bool dpm_suspending;
/* Host wakeup toggle debugging */
unsigned ipc_debug_cnt;
unsigned long tx_cnt;
unsigned long rx_cnt;
void (*ehci_reg_dump)(struct device *);
};
struct if_usb_devdata {
struct usb_interface *data_intf;
struct usb_link_device *usb_ld;
struct usb_device *usbdev;
unsigned int tx_pipe;
unsigned int rx_pipe;
u8 disconnected;
int format;
struct urb *urb;
void *rx_buf;
unsigned int rx_buf_size;
enum ch_state state;
};
struct usb_link_device {
/*COMMON LINK DEVICE*/
struct link_device ld;
/*USB SPECIFIC LINK DEVICE*/
struct usb_device *usbdev;
struct if_usb_devdata devdata[IF_USB_DEVNUM_MAX];
unsigned int dev_count;
unsigned int suspended;
int if_usb_connected;
bool if_usb_is_main; /* boot,down(false) or main(true) */
/* LINK PM DEVICE DATA */
struct link_pm_data *link_pm_data;
/*RX retry work by -ENOMEM*/
struct delayed_work rx_retry_work;
struct urb *retry_urb;
unsigned rx_retry_cnt;
};
/* converts from struct link_device* to struct xxx_link_device* */
#define to_usb_link_device(linkdev) \
container_of(linkdev, struct usb_link_device, ld)
#ifdef FOR_TEGRA
extern void tegra_ehci_txfilltuning(void);
#endif
#endif
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