projects / mirror_ubuntu-kernels.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2aa5eac5 BS |
2 | #ifndef __NVKM_I2C_BUS_H__ |
| 3 | #define __NVKM_I2C_BUS_H__ | |
| 4 | #include "pad.h" | |
| 5 | ||
| 6 | struct nvkm_i2c_bus_func { | |
| 7 | void (*init)(struct nvkm_i2c_bus *); | |
| 8 | void (*drive_scl)(struct nvkm_i2c_bus *, int state); | |
| 9 | void (*drive_sda)(struct nvkm_i2c_bus *, int state); | |
| 10 | int (*sense_scl)(struct nvkm_i2c_bus *); | |
| 11 | int (*sense_sda)(struct nvkm_i2c_bus *); | |
| 12 | int (*xfer)(struct nvkm_i2c_bus *, struct i2c_msg *, int num); | |
| 13 | }; | |
| 14 | ||
| 15 | int nvkm_i2c_bus_ctor(const struct nvkm_i2c_bus_func *, struct nvkm_i2c_pad *, | |
| 16 | int id, struct nvkm_i2c_bus *); | |
| 17 | int nvkm_i2c_bus_new_(const struct nvkm_i2c_bus_func *, struct nvkm_i2c_pad *, | |
| 18 | int id, struct nvkm_i2c_bus **); | |
| 19 | void nvkm_i2c_bus_del(struct nvkm_i2c_bus **); | |
| 20 | void nvkm_i2c_bus_init(struct nvkm_i2c_bus *); | |
| 21 | ||
| 22 | int nvkm_i2c_bit_xfer(struct nvkm_i2c_bus *, struct i2c_msg *, int); | |
| 23 | ||
| 24 | int nv04_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, u8, | |
| 25 | struct nvkm_i2c_bus **); | |
| 26 | ||
| 27 | int nv4e_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_bus **); | |
| 28 | int nv50_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_bus **); | |
| 29 | int gf119_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_bus **); | |
| 30 | ||
| 31 | #define BUS_MSG(b,l,f,a...) do { \ | |
| 32 | struct nvkm_i2c_bus *_bus = (b); \ | |
| 33 | nvkm_##l(&_bus->pad->i2c->subdev, "bus %04x: "f"\n", _bus->id, ##a); \ | |
| 34 | } while(0) | |
| 35 | #define BUS_ERR(b,f,a...) BUS_MSG((b), error, f, ##a) | |
| 36 | #define BUS_DBG(b,f,a...) BUS_MSG((b), debug, f, ##a) | |
| 37 | #define BUS_TRACE(b,f,a...) BUS_MSG((b), trace, f, ##a) | |
| 38 | #endif |