1#ifndef __NVKM_I2C_PAD_H__
2#define __NVKM_I2C_PAD_H__
3#include <subdev/i2c.h>
4
5struct nvkm_i2c_pad {
6	const struct nvkm_i2c_pad_func *func;
7	struct nvkm_i2c *i2c;
8#define NVKM_I2C_PAD_HYBRID(n) /* 'n' is hw pad index */                     (n)
9#define NVKM_I2C_PAD_CCB(n) /* 'n' is ccb index */                 ((n) + 0x100)
10#define NVKM_I2C_PAD_EXT(n) /* 'n' is dcb external encoder type */ ((n) + 0x200)
11	int id;
12
13	enum nvkm_i2c_pad_mode {
14		NVKM_I2C_PAD_OFF,
15		NVKM_I2C_PAD_I2C,
16		NVKM_I2C_PAD_AUX,
17	} mode;
18	struct mutex mutex;
19	struct list_head head;
20};
21
22struct nvkm_i2c_pad_func {
23	int (*bus_new_0)(struct nvkm_i2c_pad *, int id, u8 drive, u8 sense,
24			 struct nvkm_i2c_bus **);
25	int (*bus_new_4)(struct nvkm_i2c_pad *, int id, u8 drive,
26			 struct nvkm_i2c_bus **);
27
28	int (*aux_new_6)(struct nvkm_i2c_pad *, int id, u8 drive,
29			 struct nvkm_i2c_aux **);
30
31	void (*mode)(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
32};
33
34void nvkm_i2c_pad_ctor(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
35		       int id, struct nvkm_i2c_pad *);
36int nvkm_i2c_pad_new_(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
37		      int id, struct nvkm_i2c_pad **);
38void nvkm_i2c_pad_del(struct nvkm_i2c_pad **);
39void nvkm_i2c_pad_init(struct nvkm_i2c_pad *);
40void nvkm_i2c_pad_fini(struct nvkm_i2c_pad *);
41void nvkm_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
42int nvkm_i2c_pad_acquire(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
43void nvkm_i2c_pad_release(struct nvkm_i2c_pad *);
44
45void g94_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
46
47int nv04_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
48int nv4e_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
49int nv50_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
50int g94_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
51int gf119_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
52int gm204_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
53
54int g94_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
55int gf119_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
56int gm204_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
57
58int anx9805_pad_new(struct nvkm_i2c_bus *, int, u8, struct nvkm_i2c_pad **);
59
60#define PAD_MSG(p,l,f,a...) do {                                               \
61	struct nvkm_i2c_pad *_pad = (p);                                       \
62	nvkm_##l(&_pad->i2c->subdev, "pad %04x: "f"\n", _pad->id, ##a);        \
63} while(0)
64#define PAD_ERR(p,f,a...) PAD_MSG((p), error, f, ##a)
65#define PAD_DBG(p,f,a...) PAD_MSG((p), debug, f, ##a)
66#define PAD_TRACE(p,f,a...) PAD_MSG((p), trace, f, ##a)
67#endif
68