LXR linux/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h

   1/* SPDX-License-Identifier: MIT */
   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
   7struct 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
  31int nvkm_gpio_new_(const struct nvkm_gpio_func *, struct nvkm_device *,
  32                   int index, struct nvkm_gpio **);
  33
  34void nv50_gpio_reset(struct nvkm_gpio *, u8);
  35int  nv50_gpio_drive(struct nvkm_gpio *, int, int, int);
  36int  nv50_gpio_sense(struct nvkm_gpio *, int);
  37
  38void g94_gpio_intr_stat(struct nvkm_gpio *, u32 *, u32 *);
  39void g94_gpio_intr_mask(struct nvkm_gpio *, u32, u32, u32);
  40
  41void gf119_gpio_reset(struct nvkm_gpio *, u8);
  42int  gf119_gpio_drive(struct nvkm_gpio *, int, int, int);
  43int  gf119_gpio_sense(struct nvkm_gpio *, int);
  44#endif
  45