1 #ifndef __NOUVEAU_DEVICE_H__
2 #define __NOUVEAU_DEVICE_H__
4 #include <core/object.h>
5 #include <core/subdev.h>
6 #include <core/engine.h>
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
20 NVDEV_SUBDEV_DEVINIT_LAST = NVDEV_SUBDEV_I2C,
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.
42 NVDEV_ENGINE_DMAOBJ = NVDEV_ENGINE_FIRST,
64 struct nouveau_device {
65 struct nouveau_engine base;
66 struct list_head head;
92 struct nouveau_oclass *oclass[NVDEV_SUBDEV_NR];
93 struct nouveau_object *subdev[NVDEV_SUBDEV_NR];
96 static inline struct nouveau_device *
99 struct nouveau_object *object = nv_object(obj);
100 struct nouveau_object *device = object;
103 device = device->engine;
105 device = device->parent;
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));
115 return (void *)device;
118 static inline struct nouveau_subdev *
119 nouveau_subdev(void *obj, int sub)
121 if (nv_device(obj)->subdev[sub])
122 return nv_subdev(nv_device(obj)->subdev[sub]);
126 static inline struct nouveau_engine *
127 nouveau_engine(void *obj, int sub)
129 struct nouveau_subdev *subdev = nouveau_subdev(obj, sub);
130 if (subdev && nv_iclass(subdev, NV_ENGINE_CLASS))
131 return nv_engine(subdev);
136 nv_device_match(struct nouveau_object *object, u16 dev, u16 ven, u16 sub)
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;