/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * 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 _NET_CNSS_H_
#define _NET_CNSS_H_

#include <linux/device.h>
#include <linux/pci.h>

#ifdef CONFIG_WCNSS_MEM_PRE_ALLOC
#define WCNSS_PRE_ALLOC_GET_THRESHOLD (4*1024)
#endif

/* max 20mhz channel count */
#define CNSS_MAX_CH_NUM       45

#define CNSS_MAX_FILE_NAME	  20

enum cnss_bus_width_type {
	CNSS_BUS_WIDTH_NONE,
	CNSS_BUS_WIDTH_LOW,
	CNSS_BUS_WIDTH_MEDIUM,
	CNSS_BUS_WIDTH_HIGH
};

/* FW image files */
struct cnss_fw_files {
	char image_file[CNSS_MAX_FILE_NAME];
	char board_data[CNSS_MAX_FILE_NAME];
	char otp_data[CNSS_MAX_FILE_NAME];
	char utf_file[CNSS_MAX_FILE_NAME];
	char utf_board_data[CNSS_MAX_FILE_NAME];
};

struct cnss_wlan_driver {
	char *name;
	int  (*probe)(struct pci_dev *pdev, const struct pci_device_id *id);
	void (*remove)(struct pci_dev *pdev);
	int  (*reinit)(struct pci_dev *pdev, const struct pci_device_id *id);
	void (*shutdown)(struct pci_dev *pdev);
	void (*crash_shutdown)(struct pci_dev *pdev);
	int  (*suspend)(struct pci_dev *pdev, pm_message_t state);
	int  (*resume)(struct pci_dev *pdev);
	void (*modem_status)(struct pci_dev *, int state);
	const struct pci_device_id *id_table;
};

/* platform capabilities */
enum cnss_platform_cap_flag {
	CNSS_HAS_EXTERNAL_SWREG = 0x01,
};

struct cnss_platform_cap {
	u32 cap_flag;
};

/* WLAN driver status */
enum cnss_driver_status {
	CNSS_UNINITIALIZED,
	CNSS_INITIALIZED,
	CNSS_LOAD_UNLOAD
};

extern void cnss_device_crashed(void);
extern void cnss_device_self_recovery(void);
extern int cnss_get_ramdump_mem(unsigned long *address, unsigned long *size);
extern int cnss_set_wlan_unsafe_channel(u16 *unsafe_ch_list, u16 ch_count);
extern int cnss_get_wlan_unsafe_channel(u16 *unsafe_ch_list,
						u16 *ch_count, u16 buf_len);
extern int cnss_wlan_register_driver(struct cnss_wlan_driver *driver);
extern void cnss_wlan_unregister_driver(struct cnss_wlan_driver *driver);
extern int cnss_get_fw_files(struct cnss_fw_files *pfw_files);
extern void cnss_flush_work(void *work);
extern void cnss_flush_delayed_work(void *dwork);
extern void cnss_get_monotonic_boottime(struct timespec *ts);
extern int cnss_request_bus_bandwidth(int bandwidth);

extern void cnss_pm_wake_lock_init(struct wakeup_source *ws, const char *name);
extern void cnss_pm_wake_lock(struct wakeup_source *ws);
extern void cnss_pm_wake_lock_timeout(struct wakeup_source *ws, ulong msec);
extern void cnss_pm_wake_lock_release(struct wakeup_source *ws);
extern void cnss_pm_wake_lock_destroy(struct wakeup_source *ws);
extern void cnss_lock_pm_sem(void);
extern void cnss_release_pm_sem(void);

extern int cnss_set_cpus_allowed_ptr(struct task_struct *task, ulong cpu);
extern void cnss_request_pm_qos(u32 qos_val);
extern void cnss_remove_pm_qos(void);
extern int cnss_get_platform_cap(struct cnss_platform_cap *cap);
extern void cnss_set_driver_status(enum cnss_driver_status driver_status);

#ifdef CONFIG_WCNSS_MEM_PRE_ALLOC
extern void *wcnss_prealloc_get(unsigned int size);
extern int wcnss_prealloc_put(void *ptr);
#endif

#endif /* _NET_CNSS_H_ */