diff options
Diffstat (limited to 'linux/drm_os_linux.h')
| -rw-r--r-- | linux/drm_os_linux.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/linux/drm_os_linux.h b/linux/drm_os_linux.h deleted file mode 100644 index c3f8ec0e..00000000 --- a/linux/drm_os_linux.h +++ /dev/null @@ -1,177 +0,0 @@ -/** - * \file drm_os_linux.h - * OS abstraction macros. - */ - - -#include <linux/interrupt.h> /* For task queue support */ -#include <linux/delay.h> - -/** File pointer type */ -#define DRMFILE struct file * -/** Ioctl arguments */ -#define DRM_IOCTL_ARGS struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data -#define DRM_ERR(d) -(d) -/** Current process ID */ -#define DRM_CURRENTPID current->pid -#define DRM_UDELAY(d) udelay(d) -#if LINUX_VERSION_CODE <= 0x020608 /* KERNEL_VERSION(2,6,8) */ -/** Read a byte from a MMIO region */ -#define DRM_READ8(map, offset) readb(((unsigned long)(map)->handle) + (offset)) -/** Read a word from a MMIO region */ -#define DRM_READ16(map, offset) readw(((unsigned long)(map)->handle) + (offset)) -/** Read a dword from a MMIO region */ -#define DRM_READ32(map, offset) readl(((unsigned long)(map)->handle) + (offset)) -/** Write a byte into a MMIO region */ -#define DRM_WRITE8(map, offset, val) writeb(val, ((unsigned long)(map)->handle) + (offset)) -/** Write a word into a MMIO region */ -#define DRM_WRITE16(map, offset, val) writew(val, ((unsigned long)(map)->handle) + (offset)) -/** Write a dword into a MMIO region */ -#define DRM_WRITE32(map, offset, val) writel(val, ((unsigned long)(map)->handle) + (offset)) -#else -/** Read a byte from a MMIO region */ -#define DRM_READ8(map, offset) readb((map)->handle + (offset)) -/** Read a word from a MMIO region */ -#define DRM_READ16(map, offset) readw((map)->handle + (offset)) -/** Read a dword from a MMIO region */ -#define DRM_READ32(map, offset) readl((map)->handle + (offset)) -/** Write a byte into a MMIO region */ -#define DRM_WRITE8(map, offset, val) writeb(val, (map)->handle + (offset)) -/** Write a word into a MMIO region */ -#define DRM_WRITE16(map, offset, val) writew(val, (map)->handle + (offset)) -/** Write a dword into a MMIO region */ -#define DRM_WRITE32(map, offset, val) writel(val, (map)->handle + (offset)) -#endif -/** Read memory barrier */ -#define DRM_READMEMORYBARRIER() rmb() -/** Write memory barrier */ -#define DRM_WRITEMEMORYBARRIER() wmb() -/** Read/write memory barrier */ -#define DRM_MEMORYBARRIER() mb() -/** DRM device local declaration */ -#define DRM_DEVICE drm_file_t *priv = filp->private_data; \ - drm_device_t *dev = priv->dev - -/** IRQ handler arguments and return type and values */ -#define DRM_IRQ_ARGS int irq, void *arg, struct pt_regs *regs -/** backwards compatibility with old irq return values */ -#ifndef IRQ_HANDLED -typedef void irqreturn_t; -#define IRQ_HANDLED /* nothing */ -#define IRQ_NONE /* nothing */ -#endif - -/** AGP types */ -#if __OS_HAS_AGP -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,70) -#define DRM_AGP_MEM agp_memory -#define DRM_AGP_KERN agp_kern_info -#else -#define DRM_AGP_MEM struct agp_memory -#define DRM_AGP_KERN struct agp_kern_info -#endif -#else -/* define some dummy types for non AGP supporting kernels */ -struct no_agp_kern { - unsigned long aper_base; - unsigned long aper_size; -}; -#define DRM_AGP_MEM int -#define DRM_AGP_KERN struct no_agp_kern -#endif - -#if !(__OS_HAS_MTRR) -static __inline__ int mtrr_add (unsigned long base, unsigned long size, - unsigned int type, char increment) -{ - return -ENODEV; -} - -static __inline__ int mtrr_del (int reg, unsigned long base, - unsigned long size) -{ - return -ENODEV; -} -#define MTRR_TYPE_WRCOMB 1 -#endif - -/** Task queue handler arguments */ -#define DRM_TASKQUEUE_ARGS void *arg - -/** For data going into the kernel through the ioctl argument */ -#define DRM_COPY_FROM_USER_IOCTL(arg1, arg2, arg3) \ - if ( copy_from_user(&arg1, arg2, arg3) ) \ - return -EFAULT -/** For data going from the kernel through the ioctl argument */ -#define DRM_COPY_TO_USER_IOCTL(arg1, arg2, arg3) \ - if ( copy_to_user(arg1, &arg2, arg3) ) \ - return -EFAULT -/** Other copying of data to kernel space */ -#define DRM_COPY_FROM_USER(arg1, arg2, arg3) \ - copy_from_user(arg1, arg2, arg3) -/** Other copying of data from kernel space */ -#define DRM_COPY_TO_USER(arg1, arg2, arg3) \ - copy_to_user(arg1, arg2, arg3) -/* Macros for copyfrom user, but checking readability only once */ -#define DRM_VERIFYAREA_READ( uaddr, size ) \ - verify_area( VERIFY_READ, uaddr, size ) -#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ - __copy_from_user(arg1, arg2, arg3) -#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ - __copy_to_user(arg1, arg2, arg3) -#define DRM_GET_USER_UNCHECKED(val, uaddr) \ - __get_user(val, uaddr) -#define DRM_PUT_USER_UNCHECKED(uaddr, val) \ - __put_user(val, uaddr) - - -#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) _priv = _filp->private_data - -/** - * Get the pointer to the SAREA. - * - * Searches the SAREA on the mapping lists and points drm_device::sarea to it. - */ -#define DRM_GETSAREA() \ -do { \ - drm_map_list_t *entry; \ - list_for_each_entry( entry, &dev->maplist->head, head ) { \ - if ( entry->map && \ - entry->map->type == _DRM_SHM && \ - (entry->map->flags & _DRM_CONTAINS_LOCK) ) { \ - dev_priv->sarea = entry->map; \ - break; \ - } \ - } \ -} while (0) - -#define DRM_HZ HZ - -#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ -do { \ - DECLARE_WAITQUEUE(entry, current); \ - unsigned long end = jiffies + (timeout); \ - add_wait_queue(&(queue), &entry); \ - \ - for (;;) { \ - __set_current_state(TASK_INTERRUPTIBLE); \ - if (condition) \ - break; \ - if (time_after_eq(jiffies, end)) { \ - ret = -EBUSY; \ - break; \ - } \ - schedule_timeout((HZ/100 > 1) ? HZ/100 : 1); \ - if (signal_pending(current)) { \ - ret = -EINTR; \ - break; \ - } \ - } \ - __set_current_state(TASK_RUNNING); \ - remove_wait_queue(&(queue), &entry); \ -} while (0) - - -#define DRM_WAKEUP( queue ) wake_up_interruptible( queue ) -#define DRM_INIT_WAITQUEUE( queue ) init_waitqueue_head( queue ) - |