forwarder.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __LINUX_GPIO_FORWARDER_H
 3#define __LINUX_GPIO_FORWARDER_H
 4
 5struct gpio_desc;
 6struct gpio_chip;
 7struct gpiochip_fwd;
 8
 9struct gpiochip_fwd *devm_gpiochip_fwd_alloc(struct device *dev,
10					     unsigned int ngpios);
11int gpiochip_fwd_desc_add(struct gpiochip_fwd *fwd,
12			  struct gpio_desc *desc, unsigned int offset);
13void gpiochip_fwd_desc_free(struct gpiochip_fwd *fwd, unsigned int offset);
14int gpiochip_fwd_register(struct gpiochip_fwd *fwd, void *data);
15
16struct gpio_chip *gpiochip_fwd_get_gpiochip(struct gpiochip_fwd *fwd);
17
18void *gpiochip_fwd_get_data(struct gpiochip_fwd *fwd);
19
20int gpiochip_fwd_gpio_request(struct gpiochip_fwd *fwd, unsigned int offset);
21int gpiochip_fwd_gpio_get_direction(struct gpiochip_fwd *fwd,
22				    unsigned int offset);
23int gpiochip_fwd_gpio_direction_input(struct gpiochip_fwd *fwd,
24				      unsigned int offset);
25int gpiochip_fwd_gpio_direction_output(struct gpiochip_fwd *fwd,
26				       unsigned int offset,
27				       int value);
28int gpiochip_fwd_gpio_get(struct gpiochip_fwd *fwd, unsigned int offset);
29int gpiochip_fwd_gpio_get_multiple(struct gpiochip_fwd *fwd,
30				   unsigned long *mask,
31				   unsigned long *bits);
32int gpiochip_fwd_gpio_set(struct gpiochip_fwd *fwd, unsigned int offset,
33			  int value);
34int gpiochip_fwd_gpio_set_multiple(struct gpiochip_fwd *fwd,
35				   unsigned long *mask,
36				   unsigned long *bits);
37int gpiochip_fwd_gpio_set_config(struct gpiochip_fwd *fwd, unsigned int offset,
38				 unsigned long config);
39int gpiochip_fwd_gpio_to_irq(struct gpiochip_fwd *fwd, unsigned int offset);
40
41#endif