1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_DISP_OUTP_H__
3 #define __NVKM_DISP_OUTP_H__
4 #include "priv.h"
5 
6 #include <subdev/bios.h>
7 #include <subdev/bios/dcb.h>
8 #include <subdev/bios/dp.h>
9 
10 struct nvkm_outp {
11 	const struct nvkm_outp_func *func;
12 	struct nvkm_disp *disp;
13 	int index;
14 	struct dcb_output info;
15 
16 	struct nvkm_i2c_bus *i2c;
17 
18 	struct list_head head;
19 	struct nvkm_conn *conn;
20 	bool identity;
21 
22 	/* Assembly state. */
23 #define NVKM_OUTP_PRIV 1
24 #define NVKM_OUTP_USER 2
25 	u8 acquired:2;
26 	struct nvkm_ior *ior;
27 
28 	union {
29 		struct {
30 			bool dual;
31 			bool bpc8;
32 		} lvds;
33 
34 		struct {
35 			struct nvbios_dpout info;
36 			u8 version;
37 
38 			struct nvkm_i2c_aux *aux;
39 
40 			bool enabled;
41 			bool aux_pwr;
42 			bool aux_pwr_pu;
43 			u8 lttpr[6];
44 			u8 lttprs;
45 			u8 dpcd[16];
46 
47 			struct {
48 				int dpcd; /* -1, or index into SUPPORTED_LINK_RATES table */
49 				u32 rate;
50 			} rate[8];
51 			int rates;
52 			int links;
53 
54 			struct mutex mutex;
55 			struct {
56 				atomic_t done;
57 				u8 nr;
58 				u8 bw;
59 				bool mst;
60 			} lt;
61 		} dp;
62 	};
63 
64 	struct nvkm_object object;
65 	struct {
66 		struct nvkm_head *head;
67 	} asy;
68 };
69 
70 int nvkm_outp_new_(const struct nvkm_outp_func *, struct nvkm_disp *, int index,
71 		   struct dcb_output *, struct nvkm_outp **);
72 int nvkm_outp_new(struct nvkm_disp *, int index, struct dcb_output *, struct nvkm_outp **);
73 void nvkm_outp_del(struct nvkm_outp **);
74 void nvkm_outp_init(struct nvkm_outp *);
75 void nvkm_outp_fini(struct nvkm_outp *);
76 int nvkm_outp_acquire(struct nvkm_outp *, u8 user, bool hda);
77 void nvkm_outp_release(struct nvkm_outp *, u8 user);
78 void nvkm_outp_route(struct nvkm_disp *);
79 
80 struct nvkm_outp_func {
81 	void *(*dtor)(struct nvkm_outp *);
82 	void (*init)(struct nvkm_outp *);
83 	void (*fini)(struct nvkm_outp *);
84 	int (*acquire)(struct nvkm_outp *);
85 	void (*release)(struct nvkm_outp *);
86 	void (*disable)(struct nvkm_outp *, struct nvkm_ior *);
87 };
88 
89 #define OUTP_MSG(o,l,f,a...) do {                                              \
90 	struct nvkm_outp *_outp = (o);                                         \
91 	nvkm_##l(&_outp->disp->engine.subdev, "outp %02x:%04x:%04x: "f"\n",    \
92 		 _outp->index, _outp->info.hasht, _outp->info.hashm, ##a);     \
93 } while(0)
94 #define OUTP_ERR(o,f,a...) OUTP_MSG((o), error, f, ##a)
95 #define OUTP_DBG(o,f,a...) OUTP_MSG((o), debug, f, ##a)
96 #define OUTP_TRACE(o,f,a...) OUTP_MSG((o), trace, f, ##a)
97 #endif
98