diff options
Diffstat (limited to 'linux-core/drm_os_linux.h')
| -rw-r--r-- | linux-core/drm_os_linux.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/linux-core/drm_os_linux.h b/linux-core/drm_os_linux.h deleted file mode 100644 index 22937118..00000000 --- a/linux-core/drm_os_linux.h +++ /dev/null @@ -1,137 +0,0 @@ -/** - * \file drm_os_linux.h - * OS abstraction macros. - */ - -#include <linux/interrupt.h> /* For task queue support */ -#include <linux/delay.h> - -/** Current process ID */ -#define DRM_CURRENTPID current->pid -#define DRM_SUSER(p) capable(CAP_SYS_ADMIN) -#define DRM_UDELAY(d) udelay(d) -/** 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)) -/** Read memory barrier */ -#define DRM_READMEMORYBARRIER() rmb() -/** Write memory barrier */ -#define DRM_WRITEMEMORYBARRIER() wmb() -/** Read/write memory barrier */ -#define DRM_MEMORYBARRIER() mb() - -/** IRQ handler arguments and return type and values */ -#define DRM_IRQ_ARGS int irq, void *arg -/** backwards compatibility with old irq return values */ -#if !defined(IRQ_HANDLED) && LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,29) -typedef void irqreturn_t; -#define IRQ_HANDLED /* nothing */ -#define IRQ_NONE /* nothing */ -#endif - -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,25) -#define dev_set_name(dev, name, ...) ({ \ - snprintf((dev)->bus_id, BUS_ID_SIZE, (name), __VA_ARGS__); \ - 0; }) -#endif - -/** AGP types */ -#if __OS_HAS_AGP -#define DRM_AGP_MEM struct agp_memory -#define DRM_AGP_KERN struct agp_kern_info -#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 - -/** 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 ) \ - (access_ok( VERIFY_READ, uaddr, size) ? 0 : -EFAULT) -#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_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 ) - -/** Type for the OS's non-sleepable mutex lock */ -#define DRM_SPINTYPE spinlock_t -/** - * Initialize the lock for use. name is an optional string describing the - * lock - */ -#define DRM_SPININIT(l,name) spin_lock_init(l) -#define DRM_SPINUNINIT(l) -#define DRM_SPINLOCK(l) spin_lock(l) -#define DRM_SPINUNLOCK(l) spin_unlock(l) -#define DRM_SPINLOCK_IRQSAVE(l, _flags) spin_lock_irqsave(l, _flags); -#define DRM_SPINUNLOCK_IRQRESTORE(l, _flags) spin_unlock_irqrestore(l, _flags); -#define DRM_SPINLOCK_ASSERT(l) do {} while (0) - -#define DRM_PCI_DEV struct pci_dev -#define drm_pci_get_bsf(b, s, f) pci_get_bus_and_slot(b, PCI_DEVFN(s, f)) -#define drm_pci_read_config_dword pci_read_config_dword |