1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __NVKM_GPIO_PRIV_H__ 3 #define __NVKM_GPIO_PRIV_H__ 4 #define nvkm_gpio(p) container_of((p), struct nvkm_gpio, subdev) 5 #include <subdev/gpio.h> 6 7 struct nvkm_gpio_func { 8 int lines; 9 10 /* read and ack pending interrupts, returning only data 11 * for lines that have not been masked off, while still 12 * performing the ack for anything that was pending. 13 */ 14 void (*intr_stat)(struct nvkm_gpio *, u32 *, u32 *); 15 16 /* mask on/off interrupts for hi/lo transitions on a 17 * given set of gpio lines 18 */ 19 void (*intr_mask)(struct nvkm_gpio *, u32, u32, u32); 20 21 /* configure gpio direction and output value */ 22 int (*drive)(struct nvkm_gpio *, int line, int dir, int out); 23 24 /* sense current state of given gpio line */ 25 int (*sense)(struct nvkm_gpio *, int line); 26 27 /*XXX*/ 28 void (*reset)(struct nvkm_gpio *, u8); 29 }; 30 31 int nvkm_gpio_new_(const struct nvkm_gpio_func *, struct nvkm_device *, 32 int index, struct nvkm_gpio **); 33 34 void nv50_gpio_reset(struct nvkm_gpio *, u8); 35 int nv50_gpio_drive(struct nvkm_gpio *, int, int, int); 36 int nv50_gpio_sense(struct nvkm_gpio *, int); 37 38 void g94_gpio_intr_stat(struct nvkm_gpio *, u32 *, u32 *); 39 void g94_gpio_intr_mask(struct nvkm_gpio *, u32, u32, u32); 40 41 void gf119_gpio_reset(struct nvkm_gpio *, u8); 42 int gf119_gpio_drive(struct nvkm_gpio *, int, int, int); 43 int gf119_gpio_sense(struct nvkm_gpio *, int); 44 #endif 45