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_FIFO,
  44         NVDEV_ENGINE_SW,
  45         NVDEV_ENGINE_GR,
  46         NVDEV_ENGINE_MPEG,
  47         NVDEV_ENGINE_ME,
  48         NVDEV_ENGINE_VP,
  49         NVDEV_ENGINE_CRYPT,
  50         NVDEV_ENGINE_BSP,
  51         NVDEV_ENGINE_PPP,
  52         NVDEV_ENGINE_COPY0,
  53         NVDEV_ENGINE_COPY1,
  54         NVDEV_ENGINE_COPY2,
  55         NVDEV_ENGINE_VIC,
  56         NVDEV_ENGINE_VENC,
  57         NVDEV_ENGINE_DISP,
  58         NVDEV_ENGINE_PERFMON,
  59
  60         NVDEV_SUBDEV_NR,
  61 };
  62
  63 struct nouveau_device {
  64         struct nouveau_engine base;
  65         struct list_head head;
  66
  67         struct pci_dev *pdev;
  68         u64 handle;
  69
  70         const char *cfgopt;
  71         const char *dbgopt;
  72         const char *name;
  73         const char *cname;
  74         u64 disable_mask;
  75
  76         enum {
  77                 NV_04    = 0x04,
  78                 NV_10    = 0x10,
  79                 NV_11    = 0x11,
  80                 NV_20    = 0x20,
  81                 NV_30    = 0x30,
  82                 NV_40    = 0x40,
  83                 NV_50    = 0x50,
  84                 NV_C0    = 0xc0,
  85                 NV_D0    = 0xd0,
  86                 NV_E0    = 0xe0,
  87         } card_type;
  88         u32 chipset;
  89         u32 crystal;
  90
  91         struct nouveau_oclass *oclass[NVDEV_SUBDEV_NR];
  92         struct nouveau_object *subdev[NVDEV_SUBDEV_NR];
  93 };
  94
  95 static inline struct nouveau_device *
  96 nv_device(void *obj)
  97 {
  98         struct nouveau_object *object = nv_object(obj);
  99         struct nouveau_object *device = object;
 100
 101         if (device->engine)
 102                 device = device->engine;
 103         if (device->parent)
 104                 device = device->parent;
 105
 106 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
 107         if (unlikely(!nv_iclass(device, NV_SUBDEV_CLASS) ||
 108                      (nv_hclass(device) & 0xff) != NVDEV_ENGINE_DEVICE)) {
 109                 nv_assert("BAD CAST -> NvDevice, 0x%08x 0x%08x",
 110                           nv_hclass(object), nv_hclass(device));
 111         }
 112 #endif
 113
 114         return (void *)device;
 115 }
 116
 117 static inline struct nouveau_subdev *
 118 nouveau_subdev(void *obj, int sub)
 119 {
 120         if (nv_device(obj)->subdev[sub])
 121                 return nv_subdev(nv_device(obj)->subdev[sub]);
 122         return NULL;
 123 }
 124
 125 static inline struct nouveau_engine *
 126 nouveau_engine(void *obj, int sub)
 127 {
 128         struct nouveau_subdev *subdev = nouveau_subdev(obj, sub);
 129         if (subdev && nv_iclass(subdev, NV_ENGINE_CLASS))
 130                 return nv_engine(subdev);
 131         return NULL;
 132 }
 133
 134 static inline bool
 135 nv_device_match(struct nouveau_object *object, u16 dev, u16 ven, u16 sub)
 136 {
 137         struct nouveau_device *device = nv_device(object);
 138         return device->pdev->device == dev &&
 139                device->pdev->subsystem_vendor == ven &&
 140                device->pdev->subsystem_device == sub;
 141 }
 142
 143 #endif