1 /* $NetBSD: pad.h,v 1.3 2021/12/18 23:45:40 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: MIT */ 4 #ifndef __NVKM_I2C_PAD_H__ 5 #define __NVKM_I2C_PAD_H__ 6 #include <subdev/i2c.h> 7 8 struct nvkm_i2c_pad { 9 const struct nvkm_i2c_pad_func *func; 10 struct nvkm_i2c *i2c; 11 #define NVKM_I2C_PAD_HYBRID(n) /* 'n' is hw pad index */ (n) 12 #define NVKM_I2C_PAD_CCB(n) /* 'n' is ccb index */ ((n) + 0x100) 13 #define NVKM_I2C_PAD_EXT(n) /* 'n' is dcb external encoder type */ ((n) + 0x200) 14 int id; 15 16 enum nvkm_i2c_pad_mode { 17 NVKM_I2C_PAD_OFF, 18 NVKM_I2C_PAD_I2C, 19 NVKM_I2C_PAD_AUX, 20 } mode; 21 struct mutex mutex; 22 struct list_head head; 23 }; 24 25 struct nvkm_i2c_pad_func { 26 int (*bus_new_0)(struct nvkm_i2c_pad *, int id, u8 drive, u8 sense, 27 struct nvkm_i2c_bus **); 28 int (*bus_new_4)(struct nvkm_i2c_pad *, int id, u8 drive, 29 struct nvkm_i2c_bus **); 30 31 int (*aux_new_6)(struct nvkm_i2c_pad *, int id, u8 drive, 32 struct nvkm_i2c_aux **); 33 34 void (*mode)(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); 35 }; 36 37 void nvkm_i2c_pad_ctor(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *, 38 int id, struct nvkm_i2c_pad *); 39 int nvkm_i2c_pad_new_(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *, 40 int id, struct nvkm_i2c_pad **); 41 void nvkm_i2c_pad_del(struct nvkm_i2c_pad **); 42 void nvkm_i2c_pad_init(struct nvkm_i2c_pad *); 43 void nvkm_i2c_pad_fini(struct nvkm_i2c_pad *); 44 void nvkm_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); 45 int nvkm_i2c_pad_acquire(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); 46 void nvkm_i2c_pad_release(struct nvkm_i2c_pad *); 47 48 void g94_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); 49 50 int nv04_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 51 int nv4e_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 52 int nv50_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 53 int g94_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 54 int gf119_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 55 int gm200_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 56 57 int g94_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 58 int gf119_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 59 int gm200_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); 60 61 int anx9805_pad_new(struct nvkm_i2c_bus *, int, u8, struct nvkm_i2c_pad **); 62 63 #define PAD_MSG(p,l,f,a...) do { \ 64 struct nvkm_i2c_pad *_pad = (p); \ 65 nvkm_##l(&_pad->i2c->subdev, "pad %04x: "f"\n", _pad->id, ##a); \ 66 } while(0) 67 #define PAD_ERR(p,f,a...) PAD_MSG((p), error, f, ##a) 68 #define PAD_DBG(p,f,a...) PAD_MSG((p), debug, f, ##a) 69 #define PAD_TRACE(p,f,a...) PAD_MSG((p), trace, f, ##a) 70 #endif 71