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 #include <core/event.h>
   8
   9 enum nv_subdev_type {
  10         NVDEV_ENGINE_DEVICE,
  11         NVDEV_SUBDEV_VBIOS,
  12
  13         /* All subdevs from DEVINIT to DEVINIT_LAST will be created before
  14          * *any* of them are initialised.  This subdev category is used
  15          * for any subdevs that the VBIOS init table parsing may call out
  16          * to during POST.
  17          */
  18         NVDEV_SUBDEV_DEVINIT,
  19         NVDEV_SUBDEV_GPIO,
  20         NVDEV_SUBDEV_I2C,
  21         NVDEV_SUBDEV_DEVINIT_LAST = NVDEV_SUBDEV_I2C,
  22
  23         /* This grouping of subdevs are initialised right after they've
  24          * been created, and are allowed to assume any subdevs in the
  25          * list above them exist and have been initialised.
  26          */
  27         NVDEV_SUBDEV_FUSE,
  28         NVDEV_SUBDEV_MXM,
  29         NVDEV_SUBDEV_MC,
  30         NVDEV_SUBDEV_BUS,
  31         NVDEV_SUBDEV_TIMER,
  32         NVDEV_SUBDEV_FB,
  33         NVDEV_SUBDEV_LTC,
  34         NVDEV_SUBDEV_IBUS,
  35         NVDEV_SUBDEV_INSTMEM,
  36         NVDEV_SUBDEV_VM,
  37         NVDEV_SUBDEV_BAR,
  38         NVDEV_SUBDEV_PWR,
  39         NVDEV_SUBDEV_VOLT,
  40         NVDEV_SUBDEV_THERM,
  41         NVDEV_SUBDEV_CLOCK,
  42
  43         NVDEV_ENGINE_FIRST,
  44         NVDEV_ENGINE_DMAOBJ = NVDEV_ENGINE_FIRST,
  45         NVDEV_ENGINE_IFB,
  46         NVDEV_ENGINE_FIFO,
  47         NVDEV_ENGINE_SW,
  48         NVDEV_ENGINE_GR,
  49         NVDEV_ENGINE_MPEG,
  50         NVDEV_ENGINE_ME,
  51         NVDEV_ENGINE_VP,
  52         NVDEV_ENGINE_CRYPT,
  53         NVDEV_ENGINE_BSP,
  54         NVDEV_ENGINE_PPP,
  55         NVDEV_ENGINE_COPY0,
  56         NVDEV_ENGINE_COPY1,
  57         NVDEV_ENGINE_COPY2,
  58         NVDEV_ENGINE_VIC,
  59         NVDEV_ENGINE_VENC,
  60         NVDEV_ENGINE_DISP,
  61         NVDEV_ENGINE_PERFMON,
  62
  63         NVDEV_SUBDEV_NR,
  64 };
  65
  66 struct nouveau_device {
  67         struct nouveau_engine base;
  68         struct list_head head;
  69
  70         struct pci_dev *pdev;
  71         struct platform_device *platformdev;
  72         u64 handle;
  73
  74         struct nvkm_event event;
  75
  76         const char *cfgopt;
  77         const char *dbgopt;
  78         const char *name;
  79         const char *cname;
  80         u64 disable_mask;
  81
  82         enum {
  83                 NV_04    = 0x04,
  84                 NV_10    = 0x10,
  85                 NV_11    = 0x11,
  86                 NV_20    = 0x20,
  87                 NV_30    = 0x30,
  88                 NV_40    = 0x40,
  89                 NV_50    = 0x50,
  90                 NV_C0    = 0xc0,
  91                 NV_E0    = 0xe0,
  92                 GM100    = 0x110,
  93         } card_type;
  94         u32 chipset;
  95         u32 crystal;
  96
  97         struct nouveau_oclass *oclass[NVDEV_SUBDEV_NR];
  98         struct nouveau_object *subdev[NVDEV_SUBDEV_NR];
  99
 100         struct {
 101                 struct notifier_block nb;
 102         } acpi;
 103 };
 104
 105 int nouveau_device_list(u64 *name, int size);
 106
 107 static inline struct nouveau_device *
 108 nv_device(void *obj)
 109 {
 110         struct nouveau_object *object = nv_object(obj);
 111         struct nouveau_object *device = object;
 112
 113         if (device->engine)
 114                 device = device->engine;
 115         if (device->parent)
 116                 device = device->parent;
 117
 118 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
 119         if (unlikely(!nv_iclass(device, NV_SUBDEV_CLASS) ||
 120                      (nv_hclass(device) & 0xff) != NVDEV_ENGINE_DEVICE)) {
 121                 nv_assert("BAD CAST -> NvDevice, 0x%08x 0x%08x",
 122                           nv_hclass(object), nv_hclass(device));
 123         }
 124 #endif
 125
 126         return (void *)device;
 127 }
 128
 129 static inline struct nouveau_subdev *
 130 nouveau_subdev(void *obj, int sub)
 131 {
 132         if (nv_device(obj)->subdev[sub])
 133                 return nv_subdev(nv_device(obj)->subdev[sub]);
 134         return NULL;
 135 }
 136
 137 static inline struct nouveau_engine *
 138 nouveau_engine(void *obj, int sub)
 139 {
 140         struct nouveau_subdev *subdev = nouveau_subdev(obj, sub);
 141         if (subdev && nv_iclass(subdev, NV_ENGINE_CLASS))
 142                 return nv_engine(subdev);
 143         return NULL;
 144 }
 145
 146 static inline bool
 147 nv_device_match(struct nouveau_object *object, u16 dev, u16 ven, u16 sub)
 148 {
 149         struct nouveau_device *device = nv_device(object);
 150         return device->pdev->device == dev &&
 151                device->pdev->subsystem_vendor == ven &&
 152                device->pdev->subsystem_device == sub;
 153 }
 154
 155 static inline bool
 156 nv_device_is_pci(struct nouveau_device *device)
 157 {
 158         return device->pdev != NULL;
 159 }
 160
 161 static inline struct device *
 162 nv_device_base(struct nouveau_device *device)
 163 {
 164         return nv_device_is_pci(device) ? &device->pdev->dev :
 165                                           &device->platformdev->dev;
 166 }
 167
 168 resource_size_t
 169 nv_device_resource_start(struct nouveau_device *device, unsigned int bar);
 170
 171 resource_size_t
 172 nv_device_resource_len(struct nouveau_device *device, unsigned int bar);
 173
 174 int
 175 nv_device_get_irq(struct nouveau_device *device, bool stall);
 176
 177 #endif