cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

pad.h (2733B)

      1/* SPDX-License-Identifier: MIT */
      2#ifndef __NVKM_I2C_PAD_H__
      3#define __NVKM_I2C_PAD_H__
      4#include "priv.h"
      5
      6struct nvkm_i2c_pad {
      7	const struct nvkm_i2c_pad_func *func;
      8	struct nvkm_i2c *i2c;
      9#define NVKM_I2C_PAD_HYBRID(n) /* 'n' is hw pad index */                     (n)
     10#define NVKM_I2C_PAD_CCB(n) /* 'n' is ccb index */                 ((n) + 0x100)
     11#define NVKM_I2C_PAD_EXT(n) /* 'n' is dcb external encoder type */ ((n) + 0x200)
     12	int id;
     13
     14	enum nvkm_i2c_pad_mode {
     15		NVKM_I2C_PAD_OFF,
     16		NVKM_I2C_PAD_I2C,
     17		NVKM_I2C_PAD_AUX,
     18	} mode;
     19	struct mutex mutex;
     20	struct list_head head;
     21};
     22
     23struct nvkm_i2c_pad_func {
     24	int (*bus_new_0)(struct nvkm_i2c_pad *, int id, u8 drive, u8 sense,
     25			 struct nvkm_i2c_bus **);
     26	int (*bus_new_4)(struct nvkm_i2c_pad *, int id, u8 drive,
     27			 struct nvkm_i2c_bus **);
     28
     29	int (*aux_new_6)(struct nvkm_i2c_pad *, int id, u8 drive,
     30			 struct nvkm_i2c_aux **);
     31
     32	void (*mode)(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
     33};
     34
     35void nvkm_i2c_pad_ctor(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
     36		       int id, struct nvkm_i2c_pad *);
     37int nvkm_i2c_pad_new_(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *,
     38		      int id, struct nvkm_i2c_pad **);
     39void nvkm_i2c_pad_del(struct nvkm_i2c_pad **);
     40void nvkm_i2c_pad_init(struct nvkm_i2c_pad *);
     41void nvkm_i2c_pad_fini(struct nvkm_i2c_pad *);
     42void nvkm_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
     43int nvkm_i2c_pad_acquire(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
     44void nvkm_i2c_pad_release(struct nvkm_i2c_pad *);
     45
     46void g94_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode);
     47
     48int nv04_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
     49int nv4e_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
     50int nv50_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
     51int g94_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
     52int gf119_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
     53int gm200_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
     54
     55int g94_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
     56int gf119_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
     57int gm200_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **);
     58
     59int anx9805_pad_new(struct nvkm_i2c_bus *, int, u8, struct nvkm_i2c_pad **);
     60
     61#define PAD_MSG(p,l,f,a...) do {                                               \
     62	struct nvkm_i2c_pad *_pad = (p);                                       \
     63	nvkm_##l(&_pad->i2c->subdev, "pad %04x: "f"\n", _pad->id, ##a);        \
     64} while(0)
     65#define PAD_ERR(p,f,a...) PAD_MSG((p), error, f, ##a)
     66#define PAD_DBG(p,f,a...) PAD_MSG((p), debug, f, ##a)
     67#define PAD_TRACE(p,f,a...) PAD_MSG((p), trace, f, ##a)
     68#endif