drivers/gpu/drm/nouveau/core/include/subdev/fb.h

   1 #ifndef __NOUVEAU_FB_H__
   2 #define __NOUVEAU_FB_H__
   3
   4 #include <core/subdev.h>
   5 #include <core/device.h>
   6 #include <core/mm.h>
   7
   8 #include <subdev/vm.h>
   9
  10 /* memory type/access flags, do not match hardware values */
  11 #define NV_MEM_ACCESS_RO  1
  12 #define NV_MEM_ACCESS_WO  2
  13 #define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
  14 #define NV_MEM_ACCESS_SYS 4
  15 #define NV_MEM_ACCESS_VM  8
  16 #define NV_MEM_ACCESS_NOSNOOP 16
  17
  18 #define NV_MEM_TARGET_VRAM        0
  19 #define NV_MEM_TARGET_PCI         1
  20 #define NV_MEM_TARGET_PCI_NOSNOOP 2
  21 #define NV_MEM_TARGET_VM          3
  22 #define NV_MEM_TARGET_GART        4
  23
  24 #define NV_MEM_TYPE_VM 0x7f
  25 #define NV_MEM_COMP_VM 0x03
  26
  27 struct nouveau_mem {
  28         struct drm_device *dev;
  29
  30         struct nouveau_vma bar_vma;
  31         struct nouveau_vma vma[2];
  32         u8  page_shift;
  33
  34         struct nouveau_mm_node *tag;
  35         struct list_head regions;
  36         dma_addr_t *pages;
  37         u32 memtype;
  38         u64 offset;
  39         u64 size;
  40         struct sg_table *sg;
  41 };
  42
  43 struct nouveau_fb_tile {
  44         struct nouveau_mm_node *tag;
  45         u32 addr;
  46         u32 limit;
  47         u32 pitch;
  48         u32 zcomp;
  49 };
  50
  51 struct nouveau_fb {
  52         struct nouveau_subdev base;
  53
  54         bool (*memtype_valid)(struct nouveau_fb *, u32 memtype);
  55
  56         struct nouveau_ram *ram;
  57
  58         struct nouveau_mm vram;
  59         struct nouveau_mm tags;
  60
  61         struct {
  62                 struct nouveau_fb_tile region[16];
  63                 int regions;
  64                 void (*init)(struct nouveau_fb *, int i, u32 addr, u32 size,
  65                              u32 pitch, u32 flags, struct nouveau_fb_tile *);
  66                 void (*comp)(struct nouveau_fb *, int i, u32 size, u32 flags,
  67                              struct nouveau_fb_tile *);
  68                 void (*fini)(struct nouveau_fb *, int i,
  69                              struct nouveau_fb_tile *);
  70                 void (*prog)(struct nouveau_fb *, int i,
  71                              struct nouveau_fb_tile *);
  72         } tile;
  73 };
  74
  75 static inline struct nouveau_fb *
  76 nouveau_fb(void *obj)
  77 {
  78         return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_FB];
  79 }
  80
  81 extern struct nouveau_oclass *nv04_fb_oclass;
  82 extern struct nouveau_oclass *nv10_fb_oclass;
  83 extern struct nouveau_oclass *nv1a_fb_oclass;
  84 extern struct nouveau_oclass *nv20_fb_oclass;
  85 extern struct nouveau_oclass *nv25_fb_oclass;
  86 extern struct nouveau_oclass *nv30_fb_oclass;
  87 extern struct nouveau_oclass *nv35_fb_oclass;
  88 extern struct nouveau_oclass *nv36_fb_oclass;
  89 extern struct nouveau_oclass *nv40_fb_oclass;
  90 extern struct nouveau_oclass *nv41_fb_oclass;
  91 extern struct nouveau_oclass *nv44_fb_oclass;
  92 extern struct nouveau_oclass *nv46_fb_oclass;
  93 extern struct nouveau_oclass *nv47_fb_oclass;
  94 extern struct nouveau_oclass *nv49_fb_oclass;
  95 extern struct nouveau_oclass *nv4e_fb_oclass;
  96 extern struct nouveau_oclass *nv50_fb_oclass;
  97 extern struct nouveau_oclass *nv84_fb_oclass;
  98 extern struct nouveau_oclass *nva3_fb_oclass;
  99 extern struct nouveau_oclass *nvaa_fb_oclass;
 100 extern struct nouveau_oclass *nvaf_fb_oclass;
 101 extern struct nouveau_oclass *nvc0_fb_oclass;
 102
 103 struct nouveau_ram {
 104         struct nouveau_object base;
 105         enum {
 106                 NV_MEM_TYPE_UNKNOWN = 0,
 107                 NV_MEM_TYPE_STOLEN,
 108                 NV_MEM_TYPE_SGRAM,
 109                 NV_MEM_TYPE_SDRAM,
 110                 NV_MEM_TYPE_DDR1,
 111                 NV_MEM_TYPE_DDR2,
 112                 NV_MEM_TYPE_DDR3,
 113                 NV_MEM_TYPE_GDDR2,
 114                 NV_MEM_TYPE_GDDR3,
 115                 NV_MEM_TYPE_GDDR4,
 116                 NV_MEM_TYPE_GDDR5
 117         } type;
 118         u64 stolen;
 119         u64 size;
 120         u32 tags;
 121
 122         int ranks;
 123         int parts;
 124
 125         int  (*get)(struct nouveau_fb *, u64 size, u32 align,
 126                     u32 size_nc, u32 type, struct nouveau_mem **);
 127         void (*put)(struct nouveau_fb *, struct nouveau_mem **);
 128         int  (*calc)(struct nouveau_fb *, u32 freq);
 129         int  (*prog)(struct nouveau_fb *);
 130         void (*tidy)(struct nouveau_fb *);
 131 };
 132
 133 #endif