1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_I2C_AUX_H__
3 #define __NVKM_I2C_AUX_H__
4 #include "pad.h"
5 
6 static inline void
7 nvkm_i2c_aux_autodpcd(struct nvkm_i2c *i2c, int aux, bool enable)
8 {
9 	if (i2c->func->aux_autodpcd)
10 		i2c->func->aux_autodpcd(i2c, aux, false);
11 }
12 
13 struct nvkm_i2c_aux_func {
14 	bool address_only;
15 	int  (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type,
16 		     u32 addr, u8 *data, u8 *size);
17 	int  (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw,
18 			bool enhanced_framing);
19 };
20 
21 int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
22 		      int id, struct nvkm_i2c_aux *);
23 int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
24 		      int id, struct nvkm_i2c_aux **);
25 void nvkm_i2c_aux_del(struct nvkm_i2c_aux **);
26 void nvkm_i2c_aux_init(struct nvkm_i2c_aux *);
27 void nvkm_i2c_aux_fini(struct nvkm_i2c_aux *);
28 int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
29 		      u32 addr, u8 *data, u8 *size);
30 
31 int g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
32 		     int, u8, struct nvkm_i2c_aux **);
33 
34 int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
35 int g94_i2c_aux_xfer(struct nvkm_i2c_aux *, bool, u8, u32, u8 *, u8 *);
36 int gf119_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
37 int gm200_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
38 
39 #define AUX_MSG(b,l,f,a...) do {                                               \
40 	struct nvkm_i2c_aux *_aux = (b);                                       \
41 	nvkm_##l(&_aux->pad->i2c->subdev, "aux %04x: "f"\n", _aux->id, ##a);   \
42 } while(0)
43 #define AUX_ERR(b,f,a...) AUX_MSG((b), error, f, ##a)
44 #define AUX_DBG(b,f,a...) AUX_MSG((b), debug, f, ##a)
45 #define AUX_TRACE(b,f,a...) AUX_MSG((b), trace, f, ##a)
46 #endif
47