Home | History | Annotate | Line # | Download | only in disp 
      1 /*	$NetBSD: outp.h,v 1.3 2021/12/18 23:45:35 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 #ifndef __NVKM_DISP_OUTP_H__
      5 #define __NVKM_DISP_OUTP_H__
      6 #include <engine/disp.h>
      7 
      8 #include <subdev/bios.h>
      9 #include <subdev/bios/dcb.h>
     10 
     11 struct nvkm_outp {
     12 	const struct nvkm_outp_func *func;
     13 	struct nvkm_disp *disp;
     14 	int index;
     15 	struct dcb_output info;
     16 
     17 	struct nvkm_i2c_bus *i2c;
     18 
     19 	struct list_head head;
     20 	struct nvkm_conn *conn;
     21 	bool identity;
     22 
     23 	/* Assembly state. */
     24 #define NVKM_OUTP_PRIV 1
     25 #define NVKM_OUTP_USER 2
     26 	u8 acquired:2;
     27 	struct nvkm_ior *ior;
     28 };
     29 
     30 int nvkm_outp_ctor(const struct nvkm_outp_func *, struct nvkm_disp *,
     31 		   int index, struct dcb_output *, struct nvkm_outp *);
     32 int nvkm_outp_new(struct nvkm_disp *, int index, struct dcb_output *,
     33 		  struct nvkm_outp **);
     34 void nvkm_outp_del(struct nvkm_outp **);
     35 void nvkm_outp_init(struct nvkm_outp *);
     36 void nvkm_outp_fini(struct nvkm_outp *);
     37 int nvkm_outp_acquire(struct nvkm_outp *, u8 user);
     38 void nvkm_outp_release(struct nvkm_outp *, u8 user);
     39 void nvkm_outp_route(struct nvkm_disp *);
     40 
     41 struct nvkm_outp_func {
     42 	void *(*dtor)(struct nvkm_outp *);
     43 	void (*init)(struct nvkm_outp *);
     44 	void (*fini)(struct nvkm_outp *);
     45 	int (*acquire)(struct nvkm_outp *);
     46 	void (*release)(struct nvkm_outp *);
     47 	void (*disable)(struct nvkm_outp *, struct nvkm_ior *);
     48 };
     49 
     50 #define OUTP_MSG(o,l,f,a...) do {                                              \
     51 	struct nvkm_outp *_outp = (o);                                         \
     52 	nvkm_##l(&_outp->disp->engine.subdev, "outp %02x:%04x:%04x: "f"\n",    \
     53 		 _outp->index, _outp->info.hasht, _outp->info.hashm, ##a);     \
     54 } while(0)
     55 #define OUTP_ERR(o,f,a...) OUTP_MSG((o), error, f, ##a)
     56 #define OUTP_DBG(o,f,a...) OUTP_MSG((o), debug, f, ##a)
     57 #define OUTP_TRACE(o,f,a...) OUTP_MSG((o), trace, f, ##a)
     58 #endif
     59