Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Open Menu / drivers / gpu / drm / nouveau / nvkm / subdev / i2c / aux.h
Loading...
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
/* SPDX-License-Identifier: MIT */
#ifndef __NVKM_I2C_AUX_H__
#define __NVKM_I2C_AUX_H__
#include "pad.h"

static inline void
nvkm_i2c_aux_autodpcd(struct nvkm_i2c *i2c, int aux, bool enable)
{
	if (i2c->func->aux_autodpcd)
		i2c->func->aux_autodpcd(i2c, aux, false);
}

struct nvkm_i2c_aux_func {
	bool address_only;
	int  (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type,
		     u32 addr, u8 *data, u8 *size);
	int  (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw,
			bool enhanced_framing);
};

int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
		      int id, struct nvkm_i2c_aux *);
int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
		      int id, struct nvkm_i2c_aux **);
void nvkm_i2c_aux_del(struct nvkm_i2c_aux **);
void nvkm_i2c_aux_init(struct nvkm_i2c_aux *);
void nvkm_i2c_aux_fini(struct nvkm_i2c_aux *);
int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
		      u32 addr, u8 *data, u8 *size);

int g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
		     int, u8, struct nvkm_i2c_aux **);

int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
int g94_i2c_aux_xfer(struct nvkm_i2c_aux *, bool, u8, u32, u8 *, u8 *);
int gf119_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
int gm200_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);

#define AUX_MSG(b,l,f,a...) do {                                               \
	struct nvkm_i2c_aux *_aux = (b);                                       \
	nvkm_##l(&_aux->pad->i2c->subdev, "aux %04x: "f"\n", _aux->id, ##a);   \
} while(0)
#define AUX_ERR(b,f,a...) AUX_MSG((b), error, f, ##a)
#define AUX_DBG(b,f,a...) AUX_MSG((b), debug, f, ##a)
#define AUX_TRACE(b,f,a...) AUX_MSG((b), trace, f, ##a)
#endif