Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __RADIO_TEA5777_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __RADIO_TEA5777_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *   v4l2 driver for TEA5777 Philips AM/FM radio tuner chips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *	Copyright (c) 2012 Hans de Goede <hdegoede@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *   Based on the ALSA driver for TEA5757/5759 Philips AM/FM radio tuner chips:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  *	Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  *	Copyright (c) 2012 Hans de Goede <hdegoede@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/videodev2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <media/v4l2-ctrls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <media/v4l2-dev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <media/v4l2-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define TEA575X_FMIF	10700
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define TEA575X_AMIF	  450
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct radio_tea5777;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct radio_tea5777_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	 * Write the 6 bytes large write register of the tea5777
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	 * val represents the 6 write registers, with byte 1 from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	 * datasheet being the most significant byte (so byte 5 of the u64),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	 * and byte 6 from the datasheet being the least significant byte.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	 * returns 0 on success.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	int (*write_reg)(struct radio_tea5777 *tea, u64 val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	 * Read the 3 bytes large read register of the tea5777
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	 * The read value gets returned in val, akin to write_reg, byte 1 from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	 * the datasheet is stored as the most significant byte (so byte 2 of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	 * the u32), and byte 3 from the datasheet gets stored as the least
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	 * significant byte (iow byte 0 of the u32).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	 * returns 0 on success.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	int (*read_reg)(struct radio_tea5777 *tea, u32 *val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct radio_tea5777 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	struct v4l2_device *v4l2_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	struct v4l2_file_operations fops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	struct video_device vd;		/* video device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	bool has_am;			/* Device can tune to AM freqs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	bool write_before_read;		/* must write before read quirk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	bool needs_write;		/* for write before read quirk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	u32 band;			/* current band */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	u32 freq;			/* current frequency */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	u32 audmode;			/* last set audmode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	u32 seek_rangelow;		/* current hwseek limits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	u32 seek_rangehigh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	u32 read_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	u64 write_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	struct mutex mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	const struct radio_tea5777_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	void *private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	u8 card[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	u8 bus_info[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	struct v4l2_ctrl_handler ctrl_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) int radio_tea5777_init(struct radio_tea5777 *tea, struct module *owner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) void radio_tea5777_exit(struct radio_tea5777 *tea);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int radio_tea5777_set_freq(struct radio_tea5777 *tea);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #endif /* __RADIO_TEA5777_H */