/* 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