1 /* SPDX-License-Identifier: MIT */ 2 #ifndef __NVKM_I2C_PAD_H__ 3 #define __NVKM_I2C_PAD_H__ 4 #include <subdev/i2c.h> 5 6 struct 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 23 struct 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 35 void nvkm_i2c_pad_ctor(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *, 36 int id, struct nvkm_i2c_pad *); 37 int nvkm_i2c_pad_new_(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *, 38 int id, struct nvkm_i2c_pad **); 39 void nvkm_i2c_pad_del(struct nvkm_i2c_pad **); 40 void nvkm_i2c_pad_init(struct nvkm_i2c_pad *); 41 void nvkm_i2c_pad_fini(struct nvkm_i2c_pad *); 42 void nvkm_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); 43 int nvkm_i2c_pad_acquire(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); 44 void nvkm_i2c_pad_release(struct nvkm_i2c_pad *); 45 46 void g94_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); 47 48 int nv04_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 49 int nv4e_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 50 int nv50_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 51 int g94_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 52 int gf119_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 53 int gm200_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 54 55 int g94_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 56 int gf119_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 57 int gm200_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 58 59 int 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 69