subdev/i2c/aux.h

0001 /* SPDX-License-Identifier: MIT */
0002 #ifndef __NVKM_I2C_AUX_H__
0003 #define __NVKM_I2C_AUX_H__
0004 #include "pad.h"
0005
0006 static inline void
0007 nvkm_i2c_aux_autodpcd(struct nvkm_i2c *i2c, int aux, bool enable)
0008 {
0009     if (i2c->func->aux_autodpcd)
0010         i2c->func->aux_autodpcd(i2c, aux, false);
0011 }
0012
0013 struct nvkm_i2c_aux_func {
0014     bool address_only;
0015     int  (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type,
0016              u32 addr, u8 *data, u8 *size);
0017     int  (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw,
0018             bool enhanced_framing);
0019 };
0020
0021 int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
0022               int id, struct nvkm_i2c_aux *);
0023 int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
0024               int id, struct nvkm_i2c_aux **);
0025 void nvkm_i2c_aux_del(struct nvkm_i2c_aux **);
0026 void nvkm_i2c_aux_init(struct nvkm_i2c_aux *);
0027 void nvkm_i2c_aux_fini(struct nvkm_i2c_aux *);
0028 int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
0029               u32 addr, u8 *data, u8 *size);
0030
0031 int g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
0032              int, u8, struct nvkm_i2c_aux **);
0033
0034 int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
0035 int g94_i2c_aux_xfer(struct nvkm_i2c_aux *, bool, u8, u32, u8 *, u8 *);
0036 int gf119_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
0037 int gm200_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
0038
0039 #define AUX_MSG(b,l,f,a...) do {                                               \
0040     struct nvkm_i2c_aux *_aux = (b);                                       \
0041     nvkm_##l(&_aux->pad->i2c->subdev, "aux %04x: "f"\n", _aux->id, ##a);   \
0042 } while(0)
0043 #define AUX_ERR(b,f,a...) AUX_MSG((b), error, f, ##a)
0044 #define AUX_DBG(b,f,a...) AUX_MSG((b), debug, f, ##a)
0045 #define AUX_TRACE(b,f,a...) AUX_MSG((b), trace, f, ##a)
0046 #endif