outp.h

  1/* SPDX-License-Identifier: MIT */
  2#ifndef __NVKM_DISP_OUTP_H__
  3#define __NVKM_DISP_OUTP_H__
  4#include "priv.h"
  5
  6#include <drm/display/drm_dp.h>
  7#include <subdev/bios.h>
  8#include <subdev/bios/dcb.h>
  9#include <subdev/bios/dp.h>
 10
 11struct 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	union {
 30		struct {
 31			bool dual;
 32			bool bpc8;
 33		} lvds;
 34
 35		struct {
 36			struct nvbios_dpout info;
 37			u8 version;
 38			bool mst;
 39			bool increased_wm;
 40
 41			struct nvkm_i2c_aux *aux;
 42
 43			bool enabled;
 44			bool aux_pwr;
 45			bool aux_pwr_pu;
 46			u8 lttpr[6];
 47			u8 lttprs;
 48			u8 dpcd[DP_RECEIVER_CAP_SIZE];
 49
 50			struct {
 51				int dpcd; /* -1, or index into SUPPORTED_LINK_RATES table */
 52				u32 rate;
 53			} rate[8];
 54			int rates;
 55
 56			struct mutex mutex;
 57			struct {
 58				u8 nr;
 59				u8 bw;
 60				bool mst;
 61				bool post_adj;
 62			} lt;
 63		} dp;
 64	};
 65
 66	struct nvkm_object object;
 67	struct {
 68		struct nvkm_head *head;
 69	} asy;
 70};
 71
 72int nvkm_outp_new_(const struct nvkm_outp_func *, struct nvkm_disp *, int index,
 73		   struct dcb_output *, struct nvkm_outp **);
 74int nvkm_outp_new(struct nvkm_disp *, int index, struct dcb_output *, struct nvkm_outp **);
 75void nvkm_outp_del(struct nvkm_outp **);
 76void nvkm_outp_init(struct nvkm_outp *);
 77void nvkm_outp_fini(struct nvkm_outp *);
 78
 79int nvkm_outp_detect(struct nvkm_outp *);
 80
 81struct nvkm_ior *nvkm_outp_inherit(struct nvkm_outp *);
 82int nvkm_outp_acquire(struct nvkm_outp *, bool hda);
 83int nvkm_outp_acquire_or(struct nvkm_outp *, u8 user, bool hda);
 84int nvkm_outp_acquire_ior(struct nvkm_outp *, u8 user, struct nvkm_ior *);
 85void nvkm_outp_release(struct nvkm_outp *);
 86void nvkm_outp_release_or(struct nvkm_outp *, u8 user);
 87
 88int nvkm_outp_bl_get(struct nvkm_outp *);
 89int nvkm_outp_bl_set(struct nvkm_outp *, int level);
 90
 91struct nvkm_outp_func {
 92	void *(*dtor)(struct nvkm_outp *);
 93	void (*init)(struct nvkm_outp *);
 94	void (*fini)(struct nvkm_outp *);
 95
 96	int (*detect)(struct nvkm_outp *);
 97	int (*edid_get)(struct nvkm_outp *, u8 *data, u16 *size);
 98
 99	struct nvkm_ior *(*inherit)(struct nvkm_outp *);
100	int (*acquire)(struct nvkm_outp *, bool hda);
101	void (*release)(struct nvkm_outp *);
102
103	struct {
104		int (*get)(struct nvkm_outp *);
105		int (*set)(struct nvkm_outp *, int level);
106	} bl;
107
108	struct {
109		int (*aux_pwr)(struct nvkm_outp *, bool pu);
110		int (*aux_xfer)(struct nvkm_outp *, u8 type, u32 addr, u8 *data, u8 *size);
111		int (*rates)(struct nvkm_outp *);
112		int (*train)(struct nvkm_outp *, bool retrain);
113		int (*drive)(struct nvkm_outp *, u8 lanes, u8 pe[4], u8 vs[4]);
114		int (*mst_id_get)(struct nvkm_outp *, u32 *id);
115		int (*mst_id_put)(struct nvkm_outp *, u32 id);
116	} dp;
117};
118
119#define OUTP_MSG(o,l,f,a...) do {                                              \
120	struct nvkm_outp *_outp = (o);                                         \
121	nvkm_##l(&_outp->disp->engine.subdev, "outp %02x:%04x:%04x: "f"\n",    \
122		 _outp->index, _outp->info.hasht, _outp->info.hashm, ##a);     \
123} while(0)
124#define OUTP_ERR(o,f,a...) OUTP_MSG((o), error, f, ##a)
125#define OUTP_DBG(o,f,a...) OUTP_MSG((o), debug, f, ##a)
126#define OUTP_TRACE(o,f,a...) OUTP_MSG((o), trace, f, ##a)
127#endif