xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h (revision 307797159ac25fe5a2048bf5c6a5718298edca57)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NVKM_I2C_AUX_H__
3 #define __NVKM_I2C_AUX_H__
4 #include "pad.h"
5 
6 struct nvkm_i2c_aux_func {
7 	bool address_only;
8 	int  (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type,
9 		     u32 addr, u8 *data, u8 *size);
10 	int  (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw,
11 			bool enhanced_framing);
12 };
13 
14 int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
15 		      int id, struct nvkm_i2c_aux *);
16 int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
17 		      int id, struct nvkm_i2c_aux **);
18 void nvkm_i2c_aux_del(struct nvkm_i2c_aux **);
19 int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
20 		      u32 addr, u8 *data, u8 *size);
21 
22 int g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
23 		     int, u8, struct nvkm_i2c_aux **);
24 
25 int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
26 int g94_i2c_aux_xfer(struct nvkm_i2c_aux *, bool, u8, u32, u8 *, u8 *);
27 int gf119_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
28 int gm200_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
29 
30 #define AUX_MSG(b,l,f,a...) do {                                               \
31 	struct nvkm_i2c_aux *_aux = (b);                                       \
32 	nvkm_##l(&_aux->pad->i2c->subdev, "aux %04x: "f"\n", _aux->id, ##a);   \
33 } while(0)
34 #define AUX_ERR(b,f,a...) AUX_MSG((b), error, f, ##a)
35 #define AUX_DBG(b,f,a...) AUX_MSG((b), debug, f, ##a)
36 #define AUX_TRACE(b,f,a...) AUX_MSG((b), trace, f, ##a)
37 #endif
38