/*
* $Id: compat.h,v 1.44 2006/01/15 09:35:16 mchehab Exp $
*/
#ifndef _COMPAT_H
#define _COMPAT_H
#include <linux/i2c-id.h>
#include <linux/pm.h>
#include <linux/version.h>
#include <linux/utsname.h>
#include <linux/sched.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
# define minor(x) MINOR(x)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#include <linux/delay.h>
# define need_resched() (current->need_resched)
#define work_struct tq_struct
#else
#include <linux/device.h>
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19)
# define BUG_ON(condition) do { if ((condition)!=0) BUG(); } while(0)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23)
# define irqreturn_t void
# define IRQ_RETVAL(foobar)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,71)
# define strlcpy(dest,src,len) strncpy(dest,src,(len)-1)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
# define iminor(inode) minor(inode->i_rdev)
#endif
#if defined(I2C_ADAP_CLASS_TV_ANALOG) && !defined(I2C_CLASS_TV_ANALOG)
# define I2C_CLASS_TV_ANALOG I2C_ADAP_CLASS_TV_ANALOG
# define I2C_CLASS_TV_DIGITAL I2C_ADAP_CLASS_TV_DIGITAL
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
# define __user
# define __kernel
# define __iomem
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)
# define pm_message_t u32
# define pci_choose_state(pci_dev, state) (state)
# define PCI_D0 (0)
# define assert_spin_locked(foobar)
#endif
#if !defined(I2C_ALGO_SAA7134)
#define I2C_ALGO_SAA7134 I2C_HW_B_BT848
#endif
#if !defined(I2C_HW_B_CX2388x)
# define I2C_HW_B_CX2388x I2C_HW_B_BT848
#endif
#if !defined(I2C_HW_SAA7134)
# define I2C_HW_SAA7134 I2C_ALGO_SAA7134
#endif
#if !defined(I2C_HW_SAA7146)
# define I2C_HW_SAA7146 I2C_ALGO_SAA7146
#endif
#if !defined(I2C_HW_B_EM2820)
#define I2C_HW_B_EM2820 0x99
#endif
#ifndef I2C_M_IGNORE_NAK
# define I2C_M_IGNORE_NAK 0x1000
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
#define __le32 __u32
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7))
static inline unsigned long msecs_to_jiffies(const unsigned int m)
{
#if HZ <= 1000 && !(1000 % HZ)
return (m + (1000 / HZ) - 1) / (1000 / HZ);
#else
#if HZ > 1000 && !(HZ % 1000)
return m * (HZ / 1000);
#else
return (m * HZ + 999) / 1000;
#endif
#endif
}
static inline unsigned int jiffies_to_msecs(const unsigned long j)
{
#if HZ <= 1000 && !(1000 % HZ)
return (1000 / HZ) * j;
#else
#if HZ > 1000 && !(HZ % 1000)
return (j + (HZ / 1000) - 1)/(HZ / 1000);
#else
return (j * 1000) / HZ;
#endif
#endif
}
static inline void msleep(unsigned int msecs)
{
unsigned long timeout = msecs_to_jiffies(msecs);
while (timeout) {
set_current_state(TASK_UNINTERRUPTIBLE);
timeout = schedule_timeout(timeout);
}
}
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
static inline unsigned long msleep_interruptible(unsigned int msecs)
{
unsigned long timeout = msecs_to_jiffies(msecs);
while (timeout) {
set_current_state(TASK_INTERRUPTIBLE);
timeout = schedule_timeout(timeout);
}
return jiffies_to_msecs(timeout);
}
#endif
#ifndef DVB_CVS
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
#undef HAVE_LGDT330X
#undef HAVE_TDA1004X
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
#undef HAVE_NXT200X
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
#undef HAVE_CX24123
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
/* some keys from 2.6.x which are not (yet?) in 2.4.x */
# define KEY_PLAY 207
# define KEY_PRINT 210
# define KEY_EMAIL 215
# define KEY_SEARCH 217
# define KEY_SELECT 0x161
# define KEY_GOTO 0x162
# define KEY_INFO 0x166
# define KEY_CHANNEL 0x16b
# define KEY_LANGUAGE 0x170
# define KEY_SUBTITLE 0x172
# define KEY_ZOOM 0x174
# define KEY_MODE 0x175
# define KEY_TV 0x179
# define KEY_CD 0x17f
# define KEY_TUNER 0x182
# define KEY_TEXT 0x184
# define KEY_DVD 0x185
# define KEY_AUDIO 0x188
# define KEY_VIDEO 0x189
# define KEY_RED 0x18e
# define KEY_GREEN 0x18f
# define KEY_YELLOW 0x190
# define KEY_BLUE 0x191
# define KEY_CHANNELUP 0x192
# define KEY_CHANNELDOWN 0x193
# define KEY_RESTART 0x198
# define KEY_SHUFFLE 0x19a
# define KEY_NEXT 0x197
# define KEY_RADIO 0x181
# define KEY_PREVIOUS 0x19c
# define KEY_MHP 0x16f
# define KEY_EPG 0x16d
# define KEY_FASTFORWARD 208
# define KEY_LIST 0x18b
# define KEY_LAST 0x195
# define KEY_CLEAR 0x163
# define KEY_AUX 0x186
# define KEY_SCREEN 0x177
# define KEY_PC 0x178
# define KEY_MEDIA 226
# define KEY_SLOW 0x199
# define KEY_OK 0x160
# define KEY_DIGITS 0x19d
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
#include <linux/mm.h>
static inline unsigned long vmalloc_to_pfn(void * vmalloc_addr)
{
return page_to_pfn(vmalloc_to_page(vmalloc_addr));
}
#ifndef wait_event_timeout
#define wait_event_timeout(wq, condition, timeout) \
({ \
long __ret = timeout; \
if (!(condition)) \
do { \
DEFINE_WAIT(__wait); \
for (;;) { \
prepare_to_wait(&wq, &__wait, TASK_UNINTERRUPTIBLE); \
if (condition) \
break; \
__ret = schedule_timeout(__ret); \
if (!__ret) \
break; \
} \
finish_wait(&wq, &__wait); \
} while (0); \
__ret; \
})
#endif
#define remap_pfn_range remap_page_range
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
#ifndef kcalloc
#define kcalloc(n,size,flags) \
({ \
void * __ret = NULL; \
__ret = kmalloc(n * size, flags); \
if (__ret) \
memset(__ret, 0, n * size); \
__ret; \
})
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
#ifndef kzalloc
#define kzalloc(size, flags) \
({ \
void *__ret = kmalloc(size, flags); \
if (__ret) \
memset(__ret, 0, size); \
__ret; \
})
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
# define class_device_create(a, b, c, d, e, f, g, h) class_simple_device_add(a, c, d, e, f, g, h)
# define class_device_destroy(a, b) class_simple_device_remove(b)
# define class_create(a, b) class_simple_create(a, b)
# define class_destroy(a) class_simple_destroy(a)
#else
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
# define class_device_create(a, b, c, d, e, f, g, h) class_device_create(a, c, d, e, f, g, h)
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
# define input_allocate_device() kzalloc(sizeof(struct input_dev),GFP_KERNEL);
# define input_free_device(input_dev) kfree(input_dev)
#endif
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)
#define DEFINE_MUTEX(a) DECLARE_MUTEX(a)
#define mutex_lock_interruptible(a) down_interruptible(a)
#define mutex_unlock(a) up(a)
#define mutex_lock(a) down(a)
#define mutex_init(a) init_MUTEX(a)
#define mutex_trylock(a) down_trylock(a)
#endif
#endif
/*
* Local variables:
* c-basic-offset: 8
* End:
*/