M7350/external/compat-wireless/include/linux/compat-2.6.26.h
2024-09-09 08:52:07 +00:00

456 lines
11 KiB
C

#ifndef LINUX_26_26_COMPAT_H
#define LINUX_26_26_COMPAT_H
#include <linux/version.h>
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26))
#include <linux/device.h>
#include <linux/list.h>
#include <linux/kernel.h>
#include <linux/jiffies.h>
#include <net/sock.h>
#include <linux/fs.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24))
#include <net/net_namespace.h>
#endif
#include <linux/fs.h>
#include <linux/types.h>
#include <asm/div64.h>
/* These jiffie helpers added as of 2.6.26 */
/*
* These four macros compare jiffies and 'a' for convenience.
*/
/* time_is_before_jiffies(a) return true if a is before jiffies */
#define time_is_before_jiffies(a) time_after(jiffies, a)
/* time_is_after_jiffies(a) return true if a is after jiffies */
#define time_is_after_jiffies(a) time_before(jiffies, a)
/* time_is_before_eq_jiffies(a) return true if a is before or equal to jiffies*/
#define time_is_before_eq_jiffies(a) time_after_eq(jiffies, a)
/* time_is_after_eq_jiffies(a) return true if a is after or equal to jiffies*/
#define time_is_after_eq_jiffies(a) time_before_eq(jiffies, a)
/* This comes from include/linux/input.h */
#define SW_RFKILL_ALL 0x03 /* rfkill master switch, type "any"
set = radio enabled */
/* From kernel.h */
#define USHORT_MAX ((u16)(~0U))
#define SHORT_MAX ((s16)(USHORT_MAX>>1))
#define SHORT_MIN (-SHORT_MAX - 1)
extern int dev_set_name(struct device *dev, const char *name, ...)
__attribute__((format(printf, 2, 3)));
/**
* clamp - return a value clamped to a given range with strict typechecking
* @val: current value
* @min: minimum allowable value
* @max: maximum allowable value
*
* This macro does strict typechecking of min/max to make sure they are of the
* same type as val. See the unnecessary pointer comparisons.
*/
#define clamp(val, min, max) ({ \
typeof(val) __val = (val); \
typeof(min) __min = (min); \
typeof(max) __max = (max); \
(void) (&__val == &__min); \
(void) (&__val == &__max); \
__val = __val < __min ? __min: __val; \
__val > __max ? __max: __val; })
/**
* clamp_t - return a value clamped to a given range using a given type
* @type: the type of variable to use
* @val: current value
* @min: minimum allowable value
* @max: maximum allowable value
*
* This macro does no typechecking and uses temporary variables of type
* 'type' to make all the comparisons.
*/
#define clamp_t(type, val, min, max) ({ \
type __val = (val); \
type __min = (min); \
type __max = (max); \
__val = __val < __min ? __min: __val; \
__val > __max ? __max: __val; })
/* from include/linux/device.h */
/* device_create_drvdata() is new */
extern struct device *device_create_drvdata(struct class *cls,
struct device *parent,
dev_t devt,
void *drvdata,
const char *fmt, ...)
__attribute__((format(printf, 5, 6)));
/* This is from include/linux/list.h */
/**
* list_is_singular - tests whether a list has just one entry.
* @head: the list to test.
*/
static inline int list_is_singular(const struct list_head *head)
{
return !list_empty(head) && (head->next == head->prev);
}
/* This is from include/linux/device.h, which was added as of 2.6.26 */
static inline const char *dev_name(struct device *dev)
{
/* will be changed into kobject_name(&dev->kobj) in the near future */
return dev->bus_id;
}
/* This is from include/linux/kernel.h, which was added as of 2.6.26 */
/**
* clamp_val - return a value clamped to a given range using val's type
* @val: current value
* @min: minimum allowable value
* @max: maximum allowable value
*
* This macro does no typechecking and uses temporary variables of whatever
* type the input argument 'val' is. This is useful when val is an unsigned
* type and min and max are literals that will otherwise be assigned a signed
* integer type.
*/
#define clamp_val(val, min, max) ({ \
typeof(val) __val = (val); \
typeof(val) __min = (min); \
typeof(val) __max = (max); \
__val = __val < __min ? __min: __val; \
__val > __max ? __max: __val; })
/* This comes from include/net/net_namespace.h */
#ifdef CONFIG_NET_NS
static inline
int net_eq(const struct net *net1, const struct net *net2)
{
return net1 == net2;
}
#else
static inline
int net_eq(const struct net *net1, const struct net *net2)
{
return 1;
}
#endif
static inline
void dev_net_set(struct net_device *dev, struct net *net)
{
#ifdef CONFIG_NET_NS
release_net(dev->nd_net);
dev->nd_net = hold_net(net);
#endif
}
static inline
struct net *sock_net(const struct sock *sk)
{
#ifdef CONFIG_NET_NS
return sk->sk_net;
#else
return &init_net;
#endif
}
/* This comes from include/linux/netdevice.h */
/*
* Net namespace inlines
*/
static inline
struct net *dev_net(const struct net_device *dev)
{
#ifdef CONFIG_NET_NS
/*
* compat-wirelss backport note:
* For older kernels we may just need to always return init_net,
* not sure when we added dev->nd_net.
*/
return dev->nd_net;
#else
return &init_net;
#endif
}
/*
* 2.6.26 added its own unaligned API which the
* new drivers can use. Lets port it here by including it in older
* kernels and also deal with the architecture handling here.
*/
#ifdef CONFIG_ALPHA
#include <linux/unaligned/be_struct.h>
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/generic.h>
#endif /* alpha */
#ifdef CONFIG_ARM
/* arm */
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/be_byteshift.h>
#include <linux/unaligned/generic.h>
#endif /* arm */
#ifdef CONFIG_AVR32
/*
* AVR32 can handle some unaligned accesses, depending on the
* implementation. The AVR32 AP implementation can handle unaligned
* words, but halfwords must be halfword-aligned, and doublewords must
* be word-aligned.
*
* However, swapped word loads must be word-aligned so we can't
* optimize word loads in general.
*/
#include <linux/unaligned/be_struct.h>
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/generic.h>
#endif
#ifdef CONFIG_BLACKFIN
#include <linux/unaligned/le_struct.h>
#include <linux/unaligned/be_byteshift.h>
#include <linux/unaligned/generic.h>
#endif /* blackfin */
#ifdef CONFIG_CRIS
/*
* CRIS can do unaligned accesses itself.
*/
#include <linux/unaligned/access_ok.h>
#include <linux/unaligned/generic.h>
#endif /* cris */
#ifdef CONFIG_FRV
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/be_byteshift.h>
#include <linux/unaligned/generic.h>
#endif /* frv */
#ifdef CONFIG_H8300
#include <linux/unaligned/be_memmove.h>
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/generic.h>
#endif /* h8300 */
#ifdef CONFIG_IA64
#include <linux/unaligned/le_struct.h>
#include <linux/unaligned/be_byteshift.h>
#include <linux/unaligned/generic.h>
#endif /* ia64 */
#ifdef CONFIG_M32R
#if defined(__LITTLE_ENDIAN__)
# include <linux/unaligned/le_memmove.h>
# include <linux/unaligned/be_byteshift.h>
# include <linux/unaligned/generic.h>
#else
# include <linux/unaligned/be_memmove.h>
# include <linux/unaligned/le_byteshift.h>
# include <linux/unaligned/generic.h>
#endif
#endif /* m32r */
#ifdef CONFIG_M68K /* this handles both m68k and m68knommu */
#ifdef CONFIG_COLDFIRE
#include <linux/unaligned/be_struct.h>
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/generic.h>
#else
/*
* The m68k can do unaligned accesses itself.
*/
#include <linux/unaligned/access_ok.h>
#include <linux/unaligned/generic.h>
#endif
#endif /* m68k and m68knommu */
#ifdef CONFIG_MIPS
#if defined(__MIPSEB__)
# include <linux/unaligned/be_struct.h>
# include <linux/unaligned/le_byteshift.h>
# include <linux/unaligned/generic.h>
# define get_unaligned __get_unaligned_be
# define put_unaligned __put_unaligned_be
#elif defined(__MIPSEL__)
# include <linux/unaligned/le_struct.h>
# include <linux/unaligned/be_byteshift.h>
# include <linux/unaligned/generic.h>
#endif
#endif /* mips */
#ifdef CONFIG_MN10300
#include <linux/unaligned/access_ok.h>
#include <linux/unaligned/generic.h>
#endif /* mn10300 */
#ifdef CONFIG_PARISC
#include <linux/unaligned/be_struct.h>
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/generic.h>
#endif /* parisc */
#ifdef CONFIG_PPC
/*
* The PowerPC can do unaligned accesses itself in big endian mode.
*/
#include <linux/unaligned/access_ok.h>
#include <linux/unaligned/generic.h>
#endif /* ppc */
#ifdef CONFIG_S390
/*
* The S390 can do unaligned accesses itself.
*/
#include <linux/unaligned/access_ok.h>
#include <linux/unaligned/generic.h>
#endif /* s390 */
#ifdef CONFIG_SUPERH
/* SH can't handle unaligned accesses. */
#ifdef __LITTLE_ENDIAN__
# include <linux/unaligned/le_struct.h>
# include <linux/unaligned/be_byteshift.h>
# include <linux/unaligned/generic.h>
#else
# include <linux/unaligned/be_struct.h>
# include <linux/unaligned/le_byteshift.h>
# include <linux/unaligned/generic.h>
#endif
#endif /* sh - SUPERH */
#ifdef CONFIG_SPARC
/* sparc and sparc64 */
#include <linux/unaligned/be_struct.h>
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/generic.h>
#endif /* sparc */
#ifdef CONFIG_UML
#include "asm/arch/unaligned.h"
#endif /* um - uml */
#ifdef CONFIG_V850
#include <linux/unaligned/be_byteshift.h>
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/generic.h>
#endif /* v850 */
#ifdef CONFIG_X86
/*
* The x86 can do unaligned accesses itself.
*/
#include <linux/unaligned/access_ok.h>
#include <linux/unaligned/generic.h>
#endif /* x86 */
#ifdef CONFIG_XTENSA
#ifdef __XTENSA_EL__
# include <linux/unaligned/le_memmove.h>
# include <linux/unaligned/be_byteshift.h>
# include <linux/unaligned/generic.h>
#elif defined(__XTENSA_EB__)
# include <linux/unaligned/be_memmove.h>
# include <linux/unaligned/le_byteshift.h>
# include <linux/unaligned/generic.h>
#else
# error processor byte order undefined!
#endif
#endif /* xtensa */
#define PCIE_LINK_STATE_L0S 1
#define PCIE_LINK_STATE_L1 2
#define PCIE_LINK_STATE_CLKPM 4
static inline void pci_disable_link_state(struct pci_dev *pdev, int state)
{
}
/* source: include/linux/pci-aspm.h */
#if BITS_PER_LONG == 64
/**
* div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder
*
* This is commonly provided by 32bit archs to provide an optimized 64bit
* divide.
*/
static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
{
*remainder = dividend % divisor;
return dividend / divisor;
}
#elif BITS_PER_LONG == 32
#ifndef div_u64_rem
static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
{
*remainder = do_div(dividend, divisor);
return dividend;
}
#endif
#endif /* BITS_PER_LONG */
/**
* div_u64 - unsigned 64bit divide with 32bit divisor
*
* This is the most common 64bit divide and should be used if possible,
* as many 32bit archs can optimize this variant better than a full 64bit
* divide.
*/
#ifndef div_u64
static inline u64 div_u64(u64 dividend, u32 divisor)
{
u32 remainder;
return div_u64_rem(dividend, divisor, &remainder);
}
#endif
/* source: include/math64.h */
#define hex_asc_lo(x) hex_asc((x) & 0x0f)
#define hex_asc_hi(x) hex_asc(((x) & 0xf0) >> 4)
#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)) */
#endif /* LINUX_26_26_COMPAT_H */