drivers/gpu/drm/nouveau/core/include/core/device.h

   1 #ifndef __NOUVEAU_DEVICE_H__
   2 #define __NOUVEAU_DEVICE_H__
   3
   4 #include <core/object.h>
   5 #include <core/subdev.h>
   6 #include <core/engine.h>
   7
   8 enum nv_subdev_type {
   9         NVDEV_ENGINE_DEVICE,
  10         NVDEV_SUBDEV_VBIOS,
  11
  12         /* All subdevs from DEVINIT to DEVINIT_LAST will be created before
  13          * *any* of them are initialised.  This subdev category is used
  14          * for any subdevs that the VBIOS init table parsing may call out
  15          * to during POST.
  16          */
  17         NVDEV_SUBDEV_DEVINIT,
  18         NVDEV_SUBDEV_GPIO,
  19         NVDEV_SUBDEV_I2C,
  20         NVDEV_SUBDEV_DEVINIT_LAST = NVDEV_SUBDEV_I2C,
  21
  22         /* This grouping of subdevs are initialised right after they've
  23          * been created, and are allowed to assume any subdevs in the
  24          * list above them exist and have been initialised.
  25          */
  26         NVDEV_SUBDEV_MXM,
  27         NVDEV_SUBDEV_MC,
  28         NVDEV_SUBDEV_BUS,
  29         NVDEV_SUBDEV_TIMER,
  30         NVDEV_SUBDEV_FB,
  31         NVDEV_SUBDEV_LTCG,
  32         NVDEV_SUBDEV_IBUS,
  33         NVDEV_SUBDEV_INSTMEM,
  34         NVDEV_SUBDEV_VM,
  35         NVDEV_SUBDEV_BAR,
  36         NVDEV_SUBDEV_PWR,
  37         NVDEV_SUBDEV_VOLT,
  38         NVDEV_SUBDEV_THERM,
  39         NVDEV_SUBDEV_CLOCK,
  40
  41         NVDEV_ENGINE_FIRST,
  42         NVDEV_ENGINE_DMAOBJ = NVDEV_ENGINE_FIRST,
  43         NVDEV_ENGINE_IFB,
  44         NVDEV_ENGINE_FIFO,
  45         NVDEV_ENGINE_SW,
  46         NVDEV_ENGINE_GR,
  47         NVDEV_ENGINE_MPEG,
  48         NVDEV_ENGINE_ME,
  49         NVDEV_ENGINE_VP,
  50         NVDEV_ENGINE_CRYPT,
  51         NVDEV_ENGINE_BSP,
  52         NVDEV_ENGINE_PPP,
  53         NVDEV_ENGINE_COPY0,
  54         NVDEV_ENGINE_COPY1,
  55         NVDEV_ENGINE_COPY2,
  56         NVDEV_ENGINE_VIC,
  57         NVDEV_ENGINE_VENC,
  58         NVDEV_ENGINE_DISP,
  59         NVDEV_ENGINE_PERFMON,
  60
  61         NVDEV_SUBDEV_NR,
  62 };
  63
  64 struct nouveau_device {
  65         struct nouveau_engine base;
  66         struct list_head head;
  67
  68         struct pci_dev *pdev;
  69         u64 handle;
  70
  71         const char *cfgopt;
  72         const char *dbgopt;
  73         const char *name;
  74         const char *cname;
  75         u64 disable_mask;
  76
  77         enum {
  78                 NV_04    = 0x04,
  79                 NV_10    = 0x10,
  80                 NV_11    = 0x11,
  81                 NV_20    = 0x20,
  82                 NV_30    = 0x30,
  83                 NV_40    = 0x40,
  84                 NV_50    = 0x50,
  85                 NV_C0    = 0xc0,
  86                 NV_D0    = 0xd0,
  87                 NV_E0    = 0xe0,
  88         } card_type;
  89         u32 chipset;
  90         u32 crystal;
  91
  92         struct nouveau_oclass *oclass[NVDEV_SUBDEV_NR];
  93         struct nouveau_object *subdev[NVDEV_SUBDEV_NR];
  94 };
  95
  96 static inline struct nouveau_device *
  97 nv_device(void *obj)
  98 {
  99         struct nouveau_object *object = nv_object(obj);
 100         struct nouveau_object *device = object;
 101
 102         if (device->engine)
 103                 device = device->engine;
 104         if (device->parent)
 105                 device = device->parent;
 106
 107 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
 108         if (unlikely(!nv_iclass(device, NV_SUBDEV_CLASS) ||
 109                      (nv_hclass(device) & 0xff) != NVDEV_ENGINE_DEVICE)) {
 110                 nv_assert("BAD CAST -> NvDevice, 0x%08x 0x%08x",
 111                           nv_hclass(object), nv_hclass(device));
 112         }
 113 #endif
 114
 115         return (void *)device;
 116 }
 117
 118 static inline struct nouveau_subdev *
 119 nouveau_subdev(void *obj, int sub)
 120 {
 121         if (nv_device(obj)->subdev[sub])
 122                 return nv_subdev(nv_device(obj)->subdev[sub]);
 123         return NULL;
 124 }
 125
 126 static inline struct nouveau_engine *
 127 nouveau_engine(void *obj, int sub)
 128 {
 129         struct nouveau_subdev *subdev = nouveau_subdev(obj, sub);
 130         if (subdev && nv_iclass(subdev, NV_ENGINE_CLASS))
 131                 return nv_engine(subdev);
 132         return NULL;
 133 }
 134
 135 static inline bool
 136 nv_device_match(struct nouveau_object *object, u16 dev, u16 ven, u16 sub)
 137 {
 138         struct nouveau_device *device = nv_device(object);
 139         return device->pdev->device == dev &&
 140                device->pdev->subsystem_vendor == ven &&
 141                device->pdev->subsystem_device == sub;
 142 }
 143
 144 #endif