diff options
Diffstat (limited to 'linux/drmP.h')
| -rw-r--r-- | linux/drmP.h | 77 |
1 files changed, 70 insertions, 7 deletions
diff --git a/linux/drmP.h b/linux/drmP.h index 274e318a..085d1cb8 100644 --- a/linux/drmP.h +++ b/linux/drmP.h @@ -53,7 +53,7 @@ #include <linux/sched.h> #include <linux/smp_lock.h> /* For (un)lock_kernel */ #include <linux/mm.h> -#ifdef __alpha__ +#if defined(__alpha__) || defined(__powerpc__) #include <asm/pgtable.h> /* For pte_wrprotect */ #endif #include <asm/io.h> @@ -145,6 +145,7 @@ #define DRM_MEM_BOUNDAGP 17 #define DRM_MEM_CTXBITMAP 18 #define DRM_MEM_STUB 19 +#define DRM_MEM_SGLISTS 20 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) @@ -199,7 +200,7 @@ __cmpxchg_u32(volatile int *m, int old, int new) unsigned long prev, cmp; __asm__ __volatile__( - "1: ldl_l %0,%2\n" + "1: ldl_l %0,%5\n" " cmpeq %0,%3,%1\n" " beq %1,2f\n" " mov %4,%1\n" @@ -210,7 +211,8 @@ __cmpxchg_u32(volatile int *m, int old, int new) "3: br 1b\n" ".previous" : "=&r"(prev), "=&r"(cmp), "=m"(*m) - : "r"((long) old), "r"(new), "m"(*m)); + : "r"((long) old), "r"(new), "m"(*m) + : "memory" ); return prev; } @@ -221,7 +223,7 @@ __cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new) unsigned long prev, cmp; __asm__ __volatile__( - "1: ldq_l %0,%2\n" + "1: ldq_l %0,%5\n" " cmpeq %0,%3,%1\n" " beq %1,2f\n" " mov %4,%1\n" @@ -232,7 +234,8 @@ __cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new) "3: br 1b\n" ".previous" : "=&r"(prev), "=&r"(cmp), "=m"(*m) - : "r"((long) old), "r"(new), "m"(*m)); + : "r"((long) old), "r"(new), "m"(*m) + : "memory" ); return prev; } @@ -284,12 +287,43 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, return old; } +#elif defined(__powerpc__) +extern void __cmpxchg_called_with_bad_pointer(void); +static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, + unsigned long new, int size) +{ + unsigned long prev; + + switch (size) { + case 4: + __asm__ __volatile__( + "sync;" + "0: lwarx %0,0,%1 ;" + " cmpl 0,%0,%3;" + " bne 1f;" + " stwcx. %2,0,%1;" + " bne- 0b;" + "1: " + "sync;" + : "=&r"(prev) + : "r"(ptr), "r"(new), "r"(old) + : "cr0", "memory"); + return prev; + } + __cmpxchg_called_with_bad_pointer(); + return old; +} + +#endif /* i386, powerpc & alpha */ + +#ifndef __alpha__ #define cmpxchg(ptr,o,n) \ ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o), \ (unsigned long)(n),sizeof(*(ptr)))) -#endif /* i386 & alpha */ #endif +#endif /* !__HAVE_ARCH_CMPXCHG */ + /* Macros to make printk easier */ #define DRM_ERROR(fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg) @@ -547,7 +581,8 @@ typedef struct drm_device_dma { unsigned long *pagelist; unsigned long byte_count; enum { - _DRM_DMA_USE_AGP = 0x01 + _DRM_DMA_USE_AGP = 0x01, + _DRM_DMA_USE_SG = 0x02 } flags; /* DMA support */ @@ -579,6 +614,13 @@ typedef struct drm_agp_head { } drm_agp_head_t; #endif +typedef struct drm_sg_mem { + unsigned long handle; + void *virtual; + int pages; + struct page **pagelist; +} drm_sg_mem_t; + typedef struct drm_sigdata { int context; drm_hw_lock_t *lock; @@ -667,6 +709,10 @@ typedef struct drm_device { #if __REALLY_HAVE_AGP drm_agp_head_t *agp; #endif +#ifdef __alpha__ + struct pci_controler *hose; +#endif + drm_sg_mem_t *sg; /* Scatter gather memory */ unsigned long *ctx_bitmap; void *dev_private; drm_sigdata_t sigdata; /* For block_all_signals */ @@ -718,6 +764,9 @@ extern unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma, extern unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); +extern unsigned long DRM(vm_sg_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); #else /* Return type changed in 2.3.23 */ extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma, @@ -729,6 +778,9 @@ extern struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); +extern struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); #endif extern void DRM(vm_open)(struct vm_area_struct *vma); extern void DRM(vm_close)(struct vm_area_struct *vma); @@ -947,5 +999,16 @@ extern int DRM(proc_cleanup)(int minor, struct proc_dir_entry *root, struct proc_dir_entry *dev_root); + /* Scatter Gather Support (drm_scatter.h) */ +extern void DRM(sg_cleanup)(drm_sg_mem_t *entry); +extern int DRM(sg_alloc)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(sg_free)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + + /* ATI PCIGART support (ati_pcigart.h) */ +extern unsigned long DRM(ati_pcigart_init)(drm_device_t *dev); +extern int DRM(ati_pcigart_cleanup)(unsigned long address); + #endif /* __KERNEL__ */ #endif |