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/*
* $Id: compat.h,v 1.44 2006/01/15 09:35:16 mchehab Exp $
*/
#ifndef _COMPAT_H
#define _COMPAT_H
#include <linux/version.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24)
#define KERN_CONT ""
#endif
/* To allow I2C compatibility code to work */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24)
#include <linux/i2c-dev.h>
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
# define set_freezable()
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
# define minor(x) MINOR(x)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
# define DEVICE_ATTR(a,b,c,d) CLASS_DEVICE_ATTR(a,b,c,d)
# define device_create_file(a,b) class_device_create_file(a,b)
# define device_remove_file(a,b) class_device_remove_file(a,b)
# define device_register(a) class_device_register(a)
# define device_unregister(a) class_device_unregister(a)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
# include <linux/moduleparam.h>
# include <linux/delay.h>
# define need_resched() (current->need_resched)
# define work_struct tq_struct
#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
#ifndef __pure
# define __pure __attribute__((pure))
#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
/* Since v4l-dvb now includes it's own copy of linux/i2c-id.h these
are no longer necessary */
/*
#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
/* v4l-dvb uses an out of kernel copy of i2c-id.h, which does not have
some stuff that previous versions of i2c-id.h defined. */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14) && defined(LINUX_I2C_ID_H)
# define I2C_ALGO_BIT 0x010000
#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
#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(2,6,14)
# define KEY_SEND 231
# define KEY_REPLY 232
# define KEY_FORWARDMAIL 233
# define KEY_SAVE 234
# define KEY_DOCUMENTS 235
#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));
}
static unsigned long kvirt_to_pa(unsigned long adr)
{
unsigned long kva, ret;
kva = (unsigned long) page_address(vmalloc_to_page((void *)adr));
kva |= adr & (PAGE_SIZE-1); /* restore the offset */
ret = __pa(kva);
return ret;
}
#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
/* vm_insert_page() was added in 2.6.15 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) && defined(_LINUX_MM_H)
static inline int vm_insert_page(struct vm_area_struct *vma,
unsigned long addr, struct page *page)
{
return remap_pfn_range(vma, addr, page_to_pfn(page), PAGE_SIZE,
vma->vm_page_prot);
}
#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
/* try_to_freeze() lost its argument. Must appear after linux/sched.h */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) && defined(_LINUX_SCHED_H)
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
# define try_to_freeze() try_to_freeze(PF_FREEZE)
# else
# define try_to_freeze() (0)
# 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
/* The class_device system didn't appear until 2.5.69 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define class_device_create_file(a, b) (0)
#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)
#elif 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
/* device_create/destroy added in 2.6.18 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
/* on older kernels, class_device_create will in turn be a compat macro */
# define device_create(a, b, c, d, e, f, g) class_device_create(a, NULL, c, b, d, e, f, g)
# define device_destroy(a, b) class_device_destroy(a, b)
#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)
# ifdef _INPUT_H /* input.h must be included _before_ compat.h for this to work */
/* input_register_device() was changed to return an error code in 2.6.15 */
# define input_register_device(x) (input_register_device(x), 0)
# endif
#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
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14) && defined(_LINUX_SCHED_H)
static inline signed long __sched
schedule_timeout_interruptible(signed long timeout)
{
__set_current_state(TASK_INTERRUPTIBLE);
return schedule_timeout(timeout);
}
#endif
/* New 4GB DMA zone was added in 2.6.15-rc2 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
# define __GFP_DMA32 __GFP_DMA
#endif
/* setup_timer() helper added 10/31/05, 2.6.15-rc1 */
/* Need linux/timer.h to be included for struct timer_list */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) && defined(_LINUX_TIMER_H)
static inline void setup_timer(struct timer_list * timer,
void (*function)(unsigned long),
unsigned long data)
{
timer->function = function;
timer->data = data;
init_timer(timer);
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
#define IRQF_SHARED SA_SHIRQ
#define IRQF_DISABLED SA_INTERRUPT
#endif
/* linux/usb.h must be included _before_ compat.h for this code to get
turned on. We can not just include usb.h here, because there is a
lot of code which will not compile if it has usb.h included, due to
conflicts with symbol names. */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) && \
defined(__LINUX_USB_H) && defined(_INPUT_H)
#include <linux/input.h>
/* Found in linux/usb_input.h in 2.6.13 */
/* Moved to linux/usb/input.h in 2.6.18 */
static inline void
usb_to_input_id(const struct usb_device *dev, struct input_id *id)
{
id->bustype = BUS_USB;
id->vendor = le16_to_cpu(dev->descriptor.idVendor);
id->product = le16_to_cpu(dev->descriptor.idProduct);
id->version = le16_to_cpu(dev->descriptor.bcdDevice);
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
# define PCIAGP_FAIL 0
#define vmalloc_32_user(a) vmalloc_32(a)
#endif
/* bool type and enum-based definition of true and false was added in 2.6.19 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
typedef int bool;
#define true 1
#define false 0
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
#define sony_pic_camera_command(a,b) sonypi_camera_command(a,b)
#define SONY_PIC_COMMAND_SETCAMERAAGC SONYPI_COMMAND_SETCAMERAAGC
#define SONY_PIC_COMMAND_SETCAMERABRIGHTNESS SONYPI_COMMAND_SETCAMERABRIGHTNESS
#define SONY_PIC_COMMAND_SETCAMERACOLOR SONYPI_COMMAND_SETCAMERACOLOR
#define SONY_PIC_COMMAND_SETCAMERACONTRAST SONYPI_COMMAND_SETCAMERACONTRAST
#define SONY_PIC_COMMAND_SETCAMERAHUE SONYPI_COMMAND_SETCAMERAHUE
#define SONY_PIC_COMMAND_SETCAMERAPICTURE SONYPI_COMMAND_SETCAMERAPICTURE
#define SONY_PIC_COMMAND_SETCAMERASHARPNESS SONYPI_COMMAND_SETCAMERASHARPNESS
#define SONY_PIC_COMMAND_SETCAMERA SONYPI_COMMAND_SETCAMERA
#endif
/* Parameter to pci_match_device() changed in 2.6.13-rc2 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) && defined(LINUX_PCI_H)
#define pci_match_device(drv, dev) pci_match_device((drv)->id_table, dev)
#endif
/* pci_dev got a new revision field in 2.6.23-rc1 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) && defined(LINUX_PCI_H)
/* Just make it easier to subsitute pci_dev->revision with
* v4l_compat_pci_rev(pci_dev). It's too bad there isn't some kind of context
* sensitive macro in C that could do this for us. */
static inline u8 v4l_compat_pci_rev(struct pci_dev *pci)
{ u8 rev; pci_read_config_byte(pci, PCI_REVISION_ID, &rev); return rev; }
#endif
/* ALSA removed a bunch of typedefs and renamed some structs in 2.6.16 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
# ifdef __SOUND_CORE_H
# define snd_card _snd_card /* struct _snd_card became struct snd_card */
# define snd_pcm _snd_pcm
# undef snd_device
# define snd_device _snd_device
# endif
# ifdef __SOUND_PCM_H
# define snd_pcm_substream _snd_pcm_substream
# define snd_pcm_hardware _snd_pcm_hardware
# define snd_pcm_runtime _snd_pcm_runtime
# define snd_pcm_ops _snd_pcm_ops
# endif
# ifdef __SOUND_ASOUND_H
# define snd_pcm_hw_params sndrv_pcm_hw_params
# define snd_ctl_elem_info sndrv_ctl_elem_info
# define snd_ctl_elem_value sndrv_ctl_elem_value
# endif
# ifdef __SOUND_CONTROL_H
# undef snd_kcontrol
# define snd_kcontrol _snd_kcontrol
# define snd_kcontrol_new _snd_kcontrol_new
# endif
#endif
#if defined(COMPAT_PCM_TO_RATE_BIT) && defined(__SOUND_PCM_H)
/* New alsa core utility function */
static inline unsigned int snd_pcm_rate_to_rate_bit(unsigned int rate)
{
static const unsigned int rates[] = { 5512, 8000, 11025, 16000, 22050,
32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000 };
unsigned int i;
for (i = 0; i < ARRAY_SIZE(rates); i++)
if (rates[i] == rate)
return 1u << i;
return SNDRV_PCM_RATE_KNOT;
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
# define task_pid_nr(current) ((current)->pid)
# define sg_init_table(a,b)
# define sg_page(p) (sg->page)
# define sg_set_page(sglist,pg,sz,off) \
do { \
struct scatterlist *p=sglist; \
p->page = pg; \
p->length = sz; \
p->offset = off; \
} while (0)
#endif
#ifndef BIT_MASK
# define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
# define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
#endif
#endif
/*
* Local variables:
* c-basic-offset: 8
* End:
*/
|
