diff options
Diffstat (limited to 'linux-core/drm_os_linux.h')
| -rw-r--r-- | linux-core/drm_os_linux.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/linux-core/drm_os_linux.h b/linux-core/drm_os_linux.h index ab16d7b3..7e53e0d5 100644 --- a/linux-core/drm_os_linux.h +++ b/linux-core/drm_os_linux.h @@ -15,6 +15,7 @@ /** Current process ID */ #define DRM_CURRENTPID current->pid #define DRM_UDELAY(d) udelay(d) +#if LINUX_VERSION_CODE <= 0x020608 /* KERNEL_VERSION(2,4,14) */ /** 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 */ @@ -27,6 +28,20 @@ #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 */ |