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