/******************************************************************************
 *
 * Copyright(c) 2007 - 2013 Realtek Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License 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 __OSDEP_SERVICE_H_
#define __OSDEP_SERVICE_H_


#define _FAIL		0
#define _SUCCESS	1
#define RTW_RX_HANDLED 2

#include <osdep_service_linux.h>

#ifndef BIT
	#define BIT(x)	(1 << (x))
#endif

#define BIT0	0x00000001
#define BIT1	0x00000002
#define BIT2	0x00000004
#define BIT3	0x00000008
#define BIT4	0x00000010
#define BIT5	0x00000020
#define BIT6	0x00000040
#define BIT7	0x00000080
#define BIT8	0x00000100
#define BIT9	0x00000200
#define BIT10	0x00000400
#define BIT11	0x00000800
#define BIT12	0x00001000
#define BIT13	0x00002000
#define BIT14	0x00004000
#define BIT15	0x00008000
#define BIT16	0x00010000
#define BIT17	0x00020000
#define BIT18	0x00040000
#define BIT19	0x00080000
#define BIT20	0x00100000
#define BIT21	0x00200000
#define BIT22	0x00400000
#define BIT23	0x00800000
#define BIT24	0x01000000
#define BIT25	0x02000000
#define BIT26	0x04000000
#define BIT27	0x08000000
#define BIT28	0x10000000
#define BIT29	0x20000000
#define BIT30	0x40000000
#define BIT31	0x80000000
#define BIT32	0x0100000000
#define BIT33	0x0200000000
#define BIT34	0x0400000000
#define BIT35	0x0800000000
#define BIT36	0x1000000000

extern int RTW_STATUS_CODE(int error_code);

/* flags used for rtw_mstat_update() */
enum mstat_f {
	/* type: 0x00ff */
	MSTAT_TYPE_VIR = 0x00,
	MSTAT_TYPE_PHY = 0x01,
	MSTAT_TYPE_SKB = 0x02,
	MSTAT_TYPE_USB = 0x03,
	MSTAT_TYPE_MAX = 0x04,

	/* func: 0xff00 */
	MSTAT_FUNC_UNSPECIFIED = 0x00<<8,
	MSTAT_FUNC_IO = 0x01<<8,
	MSTAT_FUNC_TX_IO = 0x02<<8,
	MSTAT_FUNC_RX_IO = 0x03<<8,
	MSTAT_FUNC_TX = 0x04<<8,
	MSTAT_FUNC_RX = 0x05<<8,
	MSTAT_FUNC_MAX = 0x06<<8,
};

#define mstat_tf_idx(flags) ((flags)&0xff)
#define mstat_ff_idx(flags) (((flags)&0xff00) >> 8)

typedef enum mstat_status{
	MSTAT_ALLOC_SUCCESS = 0,
	MSTAT_ALLOC_FAIL,
	MSTAT_FREE
} MSTAT_STATUS;

#define rtw_mstat_update(flag, status, sz) do {} while (0)
#define rtw_mstat_dump(sel) do {} while (0)
u8*_rtw_zmalloc(u32 sz);
u8*_rtw_malloc(u32 sz);
void _kfree(u8 *pbuf, u32 sz);

struct sk_buff *_rtw_skb_alloc(u32 sz);
struct sk_buff *_rtw_skb_copy(const struct sk_buff *skb);
struct sk_buff *_rtw_skb_clone(struct sk_buff *skb);
int _rtw_netif_rx(_nic_hdl ndev, struct sk_buff *skb);

#define rtw_malloc(sz)			_rtw_malloc((sz))
#define rtw_zmalloc(sz)			_rtw_zmalloc((sz))

#define rtw_skb_alloc(size) _rtw_skb_alloc((size))
#define rtw_skb_alloc_f(size, mstat_f)	_rtw_skb_alloc((size))
#define rtw_skb_copy(skb)	_rtw_skb_copy((skb))
#define rtw_skb_clone(skb)	_rtw_skb_clone((skb))
#define rtw_skb_copy_f(skb, mstat_f)	_rtw_skb_copy((skb))
#define rtw_skb_clone_f(skb, mstat_f)	_rtw_skb_clone((skb))
#define rtw_netif_rx(ndev, skb) _rtw_netif_rx(ndev, skb)

extern void _rtw_init_queue(struct __queue	*pqueue);

extern void rtw_init_timer(_timer *ptimer, void *padapter, void *pfunc);

static __inline void thread_enter(char *name)
{
	allow_signal(SIGTERM);
}

__inline static void flush_signals_thread(void)
{
	if (signal_pending (current))
	{
		flush_signals(current);
	}
}

#define rtw_warn_on(condition) WARN_ON(condition)

__inline static int rtw_bug_check(void *parg1, void *parg2, void *parg3, void *parg4)
{
	int ret = true;

	return ret;

}

#define _RND(sz, r) ((((sz)+((r)-1))/(r))*(r))
#define RND4(x)	(((x >> 2) + (((x & 3) == 0) ?  0: 1)) << 2)

__inline static u32 _RND4(u32 sz)
{

	u32 val;

	val = ((sz >> 2) + ((sz & 3) ? 1: 0)) << 2;

	return val;

}

__inline static u32 _RND8(u32 sz)
{

	u32 val;

	val = ((sz >> 3) + ((sz & 7) ? 1: 0)) << 3;

	return val;

}

#ifndef MAC_FMT
#define MAC_FMT "%pM"
#endif
#ifndef MAC_ARG
#define MAC_ARG(x) (x)
#endif


#ifdef CONFIG_AP_WOWLAN
extern void rtw_softap_lock_suspend(void);
extern void rtw_softap_unlock_suspend(void);
#endif

/* File operation APIs, just for linux now */
extern int rtw_is_file_readable(char *path);
extern int rtw_retrive_from_file(char *path, u8 *buf, u32 sz);

extern void rtw_free_netdev(struct net_device * netdev);


extern u64 rtw_modular64(u64 x, u64 y);

/* Macros for handling unaligned memory accesses */

#define RTW_GET_BE16(a) ((u16) (((a)[0] << 8) | (a)[1]))
#define RTW_PUT_BE16(a, val)			\
	do {					\
		(a)[0] = ((u16) (val)) >> 8;	\
		(a)[1] = ((u16) (val)) & 0xff;	\
	} while (0)

#define RTW_GET_LE16(a) ((u16) (((a)[1] << 8) | (a)[0]))
#define RTW_PUT_LE16(a, val)			\
	do {					\
		(a)[1] = ((u16) (val)) >> 8;	\
		(a)[0] = ((u16) (val)) & 0xff;	\
	} while (0)

#define RTW_GET_BE24(a) ((((u32) (a)[0]) << 16) | (((u32) (a)[1]) << 8) | \
			 ((u32) (a)[2]))
#define RTW_PUT_BE24(a, val)					\
	do {							\
		(a)[0] = (u8) ((((u32) (val)) >> 16) & 0xff);	\
		(a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff);	\
		(a)[2] = (u8) (((u32) (val)) & 0xff);		\
	} while (0)

#define RTW_GET_BE32(a) ((((u32) (a)[0]) << 24) | (((u32) (a)[1]) << 16) | \
			 (((u32) (a)[2]) << 8) | ((u32) (a)[3]))
#define RTW_PUT_BE32(a, val)					\
	do {							\
		(a)[0] = (u8) ((((u32) (val)) >> 24) & 0xff);	\
		(a)[1] = (u8) ((((u32) (val)) >> 16) & 0xff);	\
		(a)[2] = (u8) ((((u32) (val)) >> 8) & 0xff);	\
		(a)[3] = (u8) (((u32) (val)) & 0xff);		\
	} while (0)

#define RTW_GET_LE32(a) ((((u32) (a)[3]) << 24) | (((u32) (a)[2]) << 16) | \
			 (((u32) (a)[1]) << 8) | ((u32) (a)[0]))
#define RTW_PUT_LE32(a, val)					\
	do {							\
		(a)[3] = (u8) ((((u32) (val)) >> 24) & 0xff);	\
		(a)[2] = (u8) ((((u32) (val)) >> 16) & 0xff);	\
		(a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff);	\
		(a)[0] = (u8) (((u32) (val)) & 0xff);		\
	} while (0)

#define RTW_GET_BE64(a) ((((u64) (a)[0]) << 56) | (((u64) (a)[1]) << 48) | \
			 (((u64) (a)[2]) << 40) | (((u64) (a)[3]) << 32) | \
			 (((u64) (a)[4]) << 24) | (((u64) (a)[5]) << 16) | \
			 (((u64) (a)[6]) << 8) | ((u64) (a)[7]))
#define RTW_PUT_BE64(a, val)				\
	do {						\
		(a)[0] = (u8) (((u64) (val)) >> 56);	\
		(a)[1] = (u8) (((u64) (val)) >> 48);	\
		(a)[2] = (u8) (((u64) (val)) >> 40);	\
		(a)[3] = (u8) (((u64) (val)) >> 32);	\
		(a)[4] = (u8) (((u64) (val)) >> 24);	\
		(a)[5] = (u8) (((u64) (val)) >> 16);	\
		(a)[6] = (u8) (((u64) (val)) >> 8);	\
		(a)[7] = (u8) (((u64) (val)) & 0xff);	\
	} while (0)

#define RTW_GET_LE64(a) ((((u64) (a)[7]) << 56) | (((u64) (a)[6]) << 48) | \
			 (((u64) (a)[5]) << 40) | (((u64) (a)[4]) << 32) | \
			 (((u64) (a)[3]) << 24) | (((u64) (a)[2]) << 16) | \
			 (((u64) (a)[1]) << 8) | ((u64) (a)[0]))

void rtw_buf_free(u8 **buf, u32 *buf_len);
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len);

struct rtw_cbuf {
	u32 write;
	u32 read;
	u32 size;
	void *bufs[0];
};

bool rtw_cbuf_full(struct rtw_cbuf *cbuf);
bool rtw_cbuf_empty(struct rtw_cbuf *cbuf);
bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf);
void *rtw_cbuf_pop(struct rtw_cbuf *cbuf);
struct rtw_cbuf *rtw_cbuf_alloc(u32 size);

/*  String handler */
/*
 * Write formatted output to sized buffer
 */
#define rtw_sprintf(buf, size, format, arg...)	snprintf(buf, size, format, ##arg)

#endif