39 lines
1.5 KiB
C
39 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __NVKM_I2C_BUS_H__
|
|
#define __NVKM_I2C_BUS_H__
|
|
#include "pad.h"
|
|
|
|
struct nvkm_i2c_bus_func {
|
|
void (*init)(struct nvkm_i2c_bus *);
|
|
void (*drive_scl)(struct nvkm_i2c_bus *, int state);
|
|
void (*drive_sda)(struct nvkm_i2c_bus *, int state);
|
|
int (*sense_scl)(struct nvkm_i2c_bus *);
|
|
int (*sense_sda)(struct nvkm_i2c_bus *);
|
|
int (*xfer)(struct nvkm_i2c_bus *, struct i2c_msg *, int num);
|
|
};
|
|
|
|
int nvkm_i2c_bus_ctor(const struct nvkm_i2c_bus_func *, struct nvkm_i2c_pad *,
|
|
int id, struct nvkm_i2c_bus *);
|
|
int nvkm_i2c_bus_new_(const struct nvkm_i2c_bus_func *, struct nvkm_i2c_pad *,
|
|
int id, struct nvkm_i2c_bus **);
|
|
void nvkm_i2c_bus_del(struct nvkm_i2c_bus **);
|
|
void nvkm_i2c_bus_init(struct nvkm_i2c_bus *);
|
|
|
|
int nvkm_i2c_bit_xfer(struct nvkm_i2c_bus *, struct i2c_msg *, int);
|
|
|
|
int nv04_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, u8,
|
|
struct nvkm_i2c_bus **);
|
|
|
|
int nv4e_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_bus **);
|
|
int nv50_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_bus **);
|
|
int gf119_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_bus **);
|
|
|
|
#define BUS_MSG(b,l,f,a...) do { \
|
|
struct nvkm_i2c_bus *_bus = (b); \
|
|
nvkm_##l(&_bus->pad->i2c->subdev, "bus %04x: "f"\n", _bus->id, ##a); \
|
|
} while(0)
|
|
#define BUS_ERR(b,f,a...) BUS_MSG((b), error, f, ##a)
|
|
#define BUS_DBG(b,f,a...) BUS_MSG((b), debug, f, ##a)
|
|
#define BUS_TRACE(b,f,a...) BUS_MSG((b), trace, f, ##a)
|
|
#endif
|