1/* SPDX-License-Identifier: MIT */
2#ifndef __NVKM_I2C_PAD_H__
3#define __NVKM_I2C_PAD_H__
4#include "priv.h"
5
6struct nvkm_i2c_pad {
7	const struct nvkm_i2c_pad_func *func;
8	struct nvkm_i2c *i2c;
9#define NVKM_I2C_PAD_HYBRID(n) /* 'n' is hw pad index */                     (n)
10#define NVKM_I2C_PAD_CCB(n) /* 'n' is ccb index */                 ((n) + 0x100)
11#define NVKM_I2C_PAD_EXT(n) /* 'n' is dcb external encoder type */ ((n) + 0x200)
12	int id;
13
14	enum nvkm_i2c_pad_mode {
15		NVKM_I2C_PAD_OFF,
16		NVKM_I2C_PAD_I2C,
17		NVKM_I2C_PAD_AUX,
18	} mode;
19	struct mutex mutex;
20	struct list_head head;
21};
22
23struct nvkm_i2c_pad_func {
24	int (*bus_new_0)(struct nvkm_i2c_pad *, int id, u8 drive, u8 sense,
25			 struct nvkm_i2c_bus **);
26	int (*bus_new_4)(struct nvkm_i2c_pad *, int id, u8 drive,
27			 struct nvkm_i2c_bus **);
28
29	int (*aux_new_6)(struct nvkm_i2c_pad *, int id, u8 drive,
30			 struct nvkm_i2c_aux **);
31
32	void (*mode)(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
33};
34
35void nvkm_i2c_pad_ctor(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
36		       int id, struct nvkm_i2c_pad *);
37int nvkm_i2c_pad_new_(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
38		      int id, struct nvkm_i2c_pad **);
39void nvkm_i2c_pad_del(struct nvkm_i2c_pad **);
40void nvkm_i2c_pad_init(struct nvkm_i2c_pad *);
41void nvkm_i2c_pad_fini(struct nvkm_i2c_pad *);
42void nvkm_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
43int nvkm_i2c_pad_acquire(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
44void nvkm_i2c_pad_release(struct nvkm_i2c_pad *);
45
46void g94_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
47
48int nv04_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
49int nv4e_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
50int nv50_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
51int g94_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
52int gf119_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
53int gm200_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
54
55int g94_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
56int gf119_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
57int gm200_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
58
59int anx9805_pad_new(struct nvkm_i2c_bus *, int, u8, struct nvkm_i2c_pad **);
60
61#define PAD_MSG(p,l,f,a...) do {                                               \
62	struct nvkm_i2c_pad *_pad = (p);                                       \
63	nvkm_##l(&_pad->i2c->subdev, "pad %04x: "f"\n", _pad->id, ##a);        \
64} while(0)
65#define PAD_ERR(p,f,a...) PAD_MSG((p), error, f, ##a)
66#define PAD_DBG(p,f,a...) PAD_MSG((p), debug, f, ##a)
67#define PAD_TRACE(p,f,a...) PAD_MSG((p), trace, f, ##a)
68#endif
69