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

   1 #ifndef __NVKM_DEVICE_H__
   2 #define __NVKM_DEVICE_H__
   3 #include <core/engine.h>
   4 #include <core/event.h>
   5
   6 struct nvkm_device {
   7         struct nvkm_engine engine;
   8         struct list_head head;
   9
  10         struct pci_dev *pdev;
  11         struct platform_device *platformdev;
  12         u64 handle;
  13
  14         struct nvkm_event event;
  15
  16         const char *cfgopt;
  17         const char *dbgopt;
  18         const char *name;
  19         const char *cname;
  20         u64 disable_mask;
  21
  22         enum {
  23                 NV_04    = 0x04,
  24                 NV_10    = 0x10,
  25                 NV_11    = 0x11,
  26                 NV_20    = 0x20,
  27                 NV_30    = 0x30,
  28                 NV_40    = 0x40,
  29                 NV_50    = 0x50,
  30                 NV_C0    = 0xc0,
  31                 NV_E0    = 0xe0,
  32                 GM100    = 0x110,
  33         } card_type;
  34         u32 chipset;
  35         u8  chiprev;
  36         u32 crystal;
  37
  38         struct nvkm_oclass *oclass[NVDEV_SUBDEV_NR];
  39         struct nvkm_object *subdev[NVDEV_SUBDEV_NR];
  40
  41         struct {
  42                 struct notifier_block nb;
  43         } acpi;
  44 };
  45
  46 struct nvkm_device *nvkm_device_find(u64 name);
  47 int nvkm_device_list(u64 *name, int size);
  48
  49 struct nvkm_device *nv_device(void *obj);
  50
  51 static inline bool
  52 nv_device_match(struct nvkm_object *object, u16 dev, u16 ven, u16 sub)
  53 {
  54         struct nvkm_device *device = nv_device(object);
  55         return device->pdev->device == dev &&
  56                device->pdev->subsystem_vendor == ven &&
  57                device->pdev->subsystem_device == sub;
  58 }
  59
  60 static inline bool
  61 nv_device_is_pci(struct nvkm_device *device)
  62 {
  63         return device->pdev != NULL;
  64 }
  65
  66 static inline bool
  67 nv_device_is_cpu_coherent(struct nvkm_device *device)
  68 {
  69         return (!IS_ENABLED(CONFIG_ARM) && nv_device_is_pci(device));
  70 }
  71
  72 static inline struct device *
  73 nv_device_base(struct nvkm_device *device)
  74 {
  75         return nv_device_is_pci(device) ? &device->pdev->dev :
  76                                           &device->platformdev->dev;
  77 }
  78
  79 resource_size_t
  80 nv_device_resource_start(struct nvkm_device *device, unsigned int bar);
  81
  82 resource_size_t
  83 nv_device_resource_len(struct nvkm_device *device, unsigned int bar);
  84
  85 int
  86 nv_device_get_irq(struct nvkm_device *device, bool stall);
  87
  88 struct platform_device;
  89
  90 enum nv_bus_type {
  91         NVKM_BUS_PCI,
  92         NVKM_BUS_PLATFORM,
  93 };
  94
  95 #define nvkm_device_create(p,t,n,s,c,d,u)                                   \
  96         nvkm_device_create_((void *)(p), (t), (n), (s), (c), (d),           \
  97                                sizeof(**u), (void **)u)
  98 int  nvkm_device_create_(void *, enum nv_bus_type type, u64 name,
  99                             const char *sname, const char *cfg, const char *dbg,
 100                             int, void **);
 101 #endif