LXR linux/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
   9struct 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
  28int nvkm_outp_ctor(const struct nvkm_outp_func *, struct nvkm_disp *,
  29                   int index, struct dcb_output *, struct nvkm_outp *);
  30int nvkm_outp_new(struct nvkm_disp *, int index, struct dcb_output *,
  31                  struct nvkm_outp **);
  32void nvkm_outp_del(struct nvkm_outp **);
  33void nvkm_outp_init(struct nvkm_outp *);
  34void nvkm_outp_fini(struct nvkm_outp *);
  35int nvkm_outp_acquire(struct nvkm_outp *, u8 user);
  36void nvkm_outp_release(struct nvkm_outp *, u8 user);
  37void nvkm_outp_route(struct nvkm_disp *);
  38
  39struct 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
  56