/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef __ASM_ARCH_LINUX_H
#define __ASM_ARCH_LINUX_H

struct hf_info;

struct device_d;

int sandbox_add_device(struct device_d *dev);

struct fb_bitfield;

int linux_register_device(const char *name, void *start, void *end);
int tap_alloc(const char *dev);
uint64_t linux_get_time(void);
int linux_open(const char *filename, int readwrite);
const char *linux_get_builddir(void);
int linux_open_hostfile(struct hf_info *hf);
int linux_read(int fd, void *buf, size_t count);
int linux_read_nonblock(int fd, void *buf, size_t count);
ssize_t linux_write(int fd, const void *buf, size_t count);
loff_t linux_lseek(int fildes, loff_t offset);
int linux_tstc(int fd);
void __attribute__((noreturn)) linux_exit(void);
void linux_hang(void);
void linux_reexec(void);

int linux_execve(const char * filename, char *const argv[], char *const envp[]);

int linux_watchdog_set_timeout(unsigned int timeout);

int barebox_register_console(int stdinfd, int stdoutfd);

int barebox_register_dtb(const void *dtb);

struct linux_console_data {
	int stdinfd;
	int stdoutfd;
};

extern int sdl_xres;
extern int sdl_yres;
struct sdl_fb_info {
	void *screen_base;
	int xres;
	int yres;
	int bpp;
	int rmask, gmask, bmask, amask;
};
int sdl_video_open(const struct sdl_fb_info *);
void sdl_video_pause(void);
void sdl_video_close(void);

int sdl_sound_init(unsigned sample_rate);
int sdl_sound_play(const void *data, unsigned nsamples);
void sdl_sound_stop(void);
void sdl_sound_close(void);

struct ft2232_bitbang;
struct ft2232_bitbang *barebox_libftdi1_open(int vendor_id, int device_id,
						const char *serial);
void barebox_libftdi1_gpio_direction(struct ft2232_bitbang *ftbb,
						unsigned off, unsigned dir);
int barebox_libftdi1_gpio_get_value(struct ft2232_bitbang *ftbb,
						unsigned off);
void barebox_libftdi1_gpio_set_value(struct ft2232_bitbang *ftbb,
						unsigned off, unsigned val);
int barebox_libftdi1_update(struct ft2232_bitbang *ftbb);
void barebox_libftdi1_close(void);

typedef struct {
	int urandomfd;
} devrandom_t;
devrandom_t *devrandom_init(void);
int devrandom_read(devrandom_t *devrandom, void *buf, size_t len, int wait);

#endif /* __ASM_ARCH_LINUX_H */
