drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NVKM_DISP_OUTP_H__
   3 #define __NVKM_DISP_OUTP_H__
   4 #include <engine/disp.h>
   5
   6 #include <subdev/bios.h>
   7 #include <subdev/bios/dcb.h>
   8
   9 struct nvkm_outp {
  10         const struct nvkm_outp_func *func;
  11         struct nvkm_disp *disp;
  12         int index;
  13         struct dcb_output info;
  14
  15         struct nvkm_i2c_bus *i2c;
  16         int or;
  17
  18         struct list_head head;
  19         struct nvkm_conn *conn;
  20
  21         /* Assembly state. */
  22 #define NVKM_OUTP_PRIV 1
  23 #define NVKM_OUTP_USER 2
  24         u8 acquired:2;
  25         struct nvkm_ior *ior;
  26 };
  27
  28 int nvkm_outp_ctor(const struct nvkm_outp_func *, struct nvkm_disp *,
  29                    int index, struct dcb_output *, struct nvkm_outp *);
  30 int nvkm_outp_new(struct nvkm_disp *, int index, struct dcb_output *,
  31                   struct nvkm_outp **);
  32 void nvkm_outp_del(struct nvkm_outp **);
  33 void nvkm_outp_init(struct nvkm_outp *);
  34 void nvkm_outp_fini(struct nvkm_outp *);
  35 int nvkm_outp_acquire(struct nvkm_outp *, u8 user);
  36 void nvkm_outp_release(struct nvkm_outp *, u8 user);
  37 void nvkm_outp_route(struct nvkm_disp *);
  38
  39 struct nvkm_outp_func {
  40         void *(*dtor)(struct nvkm_outp *);
  41         void (*init)(struct nvkm_outp *);
  42         void (*fini)(struct nvkm_outp *);
  43         int (*acquire)(struct nvkm_outp *);
  44         void (*release)(struct nvkm_outp *, struct nvkm_ior *);
  45 };
  46
  47 #define OUTP_MSG(o,l,f,a...) do {                                              \
  48         struct nvkm_outp *_outp = (o);                                         \
  49         nvkm_##l(&_outp->disp->engine.subdev, "outp %02x:%04x:%04x: "f"\n",    \
  50                  _outp->index, _outp->info.hasht, _outp->info.hashm, ##a);     \
  51 } while(0)
  52 #define OUTP_ERR(o,f,a...) OUTP_MSG((o), error, f, ##a)
  53 #define OUTP_DBG(o,f,a...) OUTP_MSG((o), debug, f, ##a)
  54 #define OUTP_TRACE(o,f,a...) OUTP_MSG((o), trace, f, ##a)
  55 #endif