subdev/i2c/pad.h

0001 /* SPDX-License-Identifier: MIT */
0002 #ifndef __NVKM_I2C_PAD_H__
0003 #define __NVKM_I2C_PAD_H__
0004 #include "priv.h"
0005
0006 struct nvkm_i2c_pad {
0007     const struct nvkm_i2c_pad_func *func;
0008     struct nvkm_i2c *i2c;
0009 #define NVKM_I2C_PAD_HYBRID(n) /* 'n' is hw pad index */                     (n)
0010 #define NVKM_I2C_PAD_CCB(n) /* 'n' is ccb index */                 ((n) + 0x100)
0011 #define NVKM_I2C_PAD_EXT(n) /* 'n' is dcb external encoder type */ ((n) + 0x200)
0012     int id;
0013
0014     enum nvkm_i2c_pad_mode {
0015         NVKM_I2C_PAD_OFF,
0016         NVKM_I2C_PAD_I2C,
0017         NVKM_I2C_PAD_AUX,
0018     } mode;
0019     struct mutex mutex;
0020     struct list_head head;
0021 };
0022
0023 struct nvkm_i2c_pad_func {
0024     int (*bus_new_0)(struct nvkm_i2c_pad *, int id, u8 drive, u8 sense,
0025              struct nvkm_i2c_bus **);
0026     int (*bus_new_4)(struct nvkm_i2c_pad *, int id, u8 drive,
0027              struct nvkm_i2c_bus **);
0028
0029     int (*aux_new_6)(struct nvkm_i2c_pad *, int id, u8 drive,
0030              struct nvkm_i2c_aux **);
0031
0032     void (*mode)(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
0033 };
0034
0035 void nvkm_i2c_pad_ctor(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
0036                int id, struct nvkm_i2c_pad *);
0037 int nvkm_i2c_pad_new_(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
0038               int id, struct nvkm_i2c_pad **);
0039 void nvkm_i2c_pad_del(struct nvkm_i2c_pad **);
0040 void nvkm_i2c_pad_init(struct nvkm_i2c_pad *);
0041 void nvkm_i2c_pad_fini(struct nvkm_i2c_pad *);
0042 void nvkm_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
0043 int nvkm_i2c_pad_acquire(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
0044 void nvkm_i2c_pad_release(struct nvkm_i2c_pad *);
0045
0046 void g94_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
0047
0048 int nv04_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
0049 int nv4e_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
0050 int nv50_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
0051 int g94_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
0052 int gf119_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
0053 int gm200_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
0054
0055 int g94_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
0056 int gf119_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
0057 int gm200_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
0058
0059 int anx9805_pad_new(struct nvkm_i2c_bus *, int, u8, struct nvkm_i2c_pad **);
0060
0061 #define PAD_MSG(p,l,f,a...) do {                                               \
0062     struct nvkm_i2c_pad *_pad = (p);                                       \
0063     nvkm_##l(&_pad->i2c->subdev, "pad %04x: "f"\n", _pad->id, ##a);        \
0064 } while(0)
0065 #define PAD_ERR(p,f,a...) PAD_MSG((p), error, f, ##a)
0066 #define PAD_DBG(p,f,a...) PAD_MSG((p), debug, f, ##a)
0067 #define PAD_TRACE(p,f,a...) PAD_MSG((p), trace, f, ##a)
0068 #endif