LXR linux/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
  27struct 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
  43struct nouveau_fb_tile {
  44        struct nouveau_mm_node *tag;
  45        u32 addr;
  46        u32 limit;
  47        u32 pitch;
  48        u32 zcomp;
  49};
  50
  51struct 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
  75static inline struct nouveau_fb *
  76nouveau_fb(void *obj)
  77{
  78        /* fbram uses this before device subdev pointer is valid */
  79        if (nv_iclass(obj, NV_SUBDEV_CLASS) &&
  80            nv_subidx(obj) == NVDEV_SUBDEV_FB)
  81                return obj;
  82
  83        return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_FB];
  84}
  85
  86extern struct nouveau_oclass *nv04_fb_oclass;
  87extern struct nouveau_oclass *nv10_fb_oclass;
  88extern struct nouveau_oclass *nv1a_fb_oclass;
  89extern struct nouveau_oclass *nv20_fb_oclass;
  90extern struct nouveau_oclass *nv25_fb_oclass;
  91extern struct nouveau_oclass *nv30_fb_oclass;
  92extern struct nouveau_oclass *nv35_fb_oclass;
  93extern struct nouveau_oclass *nv36_fb_oclass;
  94extern struct nouveau_oclass *nv40_fb_oclass;
  95extern struct nouveau_oclass *nv41_fb_oclass;
  96extern struct nouveau_oclass *nv44_fb_oclass;
  97extern struct nouveau_oclass *nv46_fb_oclass;
  98extern struct nouveau_oclass *nv47_fb_oclass;
  99extern struct nouveau_oclass *nv49_fb_oclass;
 100extern struct nouveau_oclass *nv4e_fb_oclass;
 101extern struct nouveau_oclass *nv50_fb_oclass;
 102extern struct nouveau_oclass *nv84_fb_oclass;
 103extern struct nouveau_oclass *nva3_fb_oclass;
 104extern struct nouveau_oclass *nvaa_fb_oclass;
 105extern struct nouveau_oclass *nvaf_fb_oclass;
 106extern struct nouveau_oclass *nvc0_fb_oclass;
 107extern struct nouveau_oclass *nve0_fb_oclass;
 108extern struct nouveau_oclass *gk20a_fb_oclass;
 109extern struct nouveau_oclass *gm107_fb_oclass;
 110
 111#include <subdev/bios/ramcfg.h>
 112
 113struct nouveau_ram_data {
 114        struct nvbios_ramcfg bios;
 115        u32 freq;
 116};
 117
 118struct nouveau_ram {
 119        struct nouveau_object base;
 120        enum {
 121                NV_MEM_TYPE_UNKNOWN = 0,
 122                NV_MEM_TYPE_STOLEN,
 123                NV_MEM_TYPE_SGRAM,
 124                NV_MEM_TYPE_SDRAM,
 125                NV_MEM_TYPE_DDR1,
 126                NV_MEM_TYPE_DDR2,
 127                NV_MEM_TYPE_DDR3,
 128                NV_MEM_TYPE_GDDR2,
 129                NV_MEM_TYPE_GDDR3,
 130                NV_MEM_TYPE_GDDR4,
 131                NV_MEM_TYPE_GDDR5
 132        } type;
 133        u64 stolen;
 134        u64 size;
 135        u32 tags;
 136
 137        int ranks;
 138        int parts;
 139
 140        int  (*get)(struct nouveau_fb *, u64 size, u32 align,
 141                    u32 size_nc, u32 type, struct nouveau_mem **);
 142        void (*put)(struct nouveau_fb *, struct nouveau_mem **);
 143
 144        int  (*calc)(struct nouveau_fb *, u32 freq);
 145        int  (*prog)(struct nouveau_fb *);
 146        void (*tidy)(struct nouveau_fb *);
 147        struct {
 148                u8  version;
 149                u32 data;
 150                u8  size;
 151        } rammap, ramcfg, timing;
 152        u32 freq;
 153        u32 mr[16];
 154        u32 mr1_nuts;
 155
 156        struct nouveau_ram_data *next;
 157        struct nouveau_ram_data former;
 158        struct nouveau_ram_data xition;
 159        struct nouveau_ram_data target;
 160};
 161
 162#endif
 163