LXR linux/drivers/gpu/drm/nouveau/core/include/core/subdev.h

   1#ifndef __NOUVEAU_SUBDEV_H__
   2#define __NOUVEAU_SUBDEV_H__
   3
   4#include <core/object.h>
   5
   6#define NV_SUBDEV_(sub,var) (NV_SUBDEV_CLASS | ((var) << 8) | (sub))
   7#define NV_SUBDEV(name,var)  NV_SUBDEV_(NVDEV_SUBDEV_##name, (var))
   8
   9struct nouveau_subdev {
  10        struct nouveau_object base;
  11        struct mutex mutex;
  12        const char *name;
  13        void __iomem *mmio;
  14        u32 debug;
  15        u32 unit;
  16
  17        void (*intr)(struct nouveau_subdev *);
  18};
  19
  20static inline struct nouveau_subdev *
  21nv_subdev(void *obj)
  22{
  23#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
  24        if (unlikely(!nv_iclass(obj, NV_SUBDEV_CLASS)))
  25                nv_assert("BAD CAST -> NvSubDev, %08x", nv_hclass(obj));
  26#endif
  27        return obj;
  28}
  29
  30static inline int
  31nv_subidx(struct nouveau_object *object)
  32{
  33        return nv_hclass(nv_subdev(object)) & 0xff;
  34}
  35
  36#define nouveau_subdev_create(p,e,o,v,s,f,d)                                   \
  37        nouveau_subdev_create_((p), (e), (o), (v), (s), (f),                   \
  38                               sizeof(**d),(void **)d)
  39
  40int  nouveau_subdev_create_(struct nouveau_object *, struct nouveau_object *,
  41                            struct nouveau_oclass *, u32 pclass,
  42                            const char *sname, const char *fname,
  43                            int size, void **);
  44void nouveau_subdev_destroy(struct nouveau_subdev *);
  45int  nouveau_subdev_init(struct nouveau_subdev *);
  46int  nouveau_subdev_fini(struct nouveau_subdev *, bool suspend);
  47void nouveau_subdev_reset(struct nouveau_object *);
  48
  49void _nouveau_subdev_dtor(struct nouveau_object *);
  50int  _nouveau_subdev_init(struct nouveau_object *);
  51int  _nouveau_subdev_fini(struct nouveau_object *, bool suspend);
  52
  53#define s_printk(s,l,f,a...) do {                                              \
  54        if ((s)->debug >= OS_DBG_##l) {                                        \
  55                nv_printk((s)->base.parent, (s)->name, l, f, ##a);             \
  56        }                                                                      \
  57} while(0)
  58
  59static inline u8
  60nv_rd08(void *obj, u32 addr)
  61{
  62        struct nouveau_subdev *subdev = nv_subdev(obj);
  63        u8 data = ioread8(subdev->mmio + addr);
  64        nv_spam(subdev, "nv_rd08 0x%06x 0x%02x\n", addr, data);
  65        return data;
  66}
  67
  68static inline u16
  69nv_rd16(void *obj, u32 addr)
  70{
  71        struct nouveau_subdev *subdev = nv_subdev(obj);
  72        u16 data = ioread16_native(subdev->mmio + addr);
  73        nv_spam(subdev, "nv_rd16 0x%06x 0x%04x\n", addr, data);
  74        return data;
  75}
  76
  77static inline u32
  78nv_rd32(void *obj, u32 addr)
  79{
  80        struct nouveau_subdev *subdev = nv_subdev(obj);
  81        u32 data = ioread32_native(subdev->mmio + addr);
  82        nv_spam(subdev, "nv_rd32 0x%06x 0x%08x\n", addr, data);
  83        return data;
  84}
  85
  86static inline void
  87nv_wr08(void *obj, u32 addr, u8 data)
  88{
  89        struct nouveau_subdev *subdev = nv_subdev(obj);
  90        nv_spam(subdev, "nv_wr08 0x%06x 0x%02x\n", addr, data);
  91        iowrite8(data, subdev->mmio + addr);
  92}
  93
  94static inline void
  95nv_wr16(void *obj, u32 addr, u16 data)
  96{
  97        struct nouveau_subdev *subdev = nv_subdev(obj);
  98        nv_spam(subdev, "nv_wr16 0x%06x 0x%04x\n", addr, data);
  99        iowrite16_native(data, subdev->mmio + addr);
 100}
 101
 102static inline void
 103nv_wr32(void *obj, u32 addr, u32 data)
 104{
 105        struct nouveau_subdev *subdev = nv_subdev(obj);
 106        nv_spam(subdev, "nv_wr32 0x%06x 0x%08x\n", addr, data);
 107        iowrite32_native(data, subdev->mmio + addr);
 108}
 109
 110static inline u32
 111nv_mask(void *obj, u32 addr, u32 mask, u32 data)
 112{
 113        u32 temp = nv_rd32(obj, addr);
 114        nv_wr32(obj, addr, (temp & ~mask) | data);
 115        return temp;
 116}
 117
 118#endif
 119