1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1
2 #ifndef __SOUND_TEA575X_TUNER_H
3 #define __SOUND_TEA575X_TUNER_H
4
5 /*
6 * ALSA driver for TEA5757/5759 Philips AM/F
7 *
8 * Copyright (c) 2004 Jaroslav Kysela <pe
9 */
10
11 #include <linux/videodev2.h>
12 #include <media/v4l2-ctrls.h>
13 #include <media/v4l2-dev.h>
14 #include <media/v4l2-device.h>
15
16 #define TEA575X_FMIF 10700
17 #define TEA575X_AMIF 450
18
19 #define TEA575X_DATA (1 << 0)
20 #define TEA575X_CLK (1 << 1)
21 #define TEA575X_WREN (1 << 2)
22 #define TEA575X_MOST (1 << 3)
23
24 struct snd_tea575x;
25
26 struct snd_tea575x_ops {
27 /* Drivers using snd_tea575x must eith
28 void (*write_val)(struct snd_tea575x *
29 u32 (*read_val)(struct snd_tea575x *te
30 /* Or define the 3 pin functions */
31 void (*set_pins)(struct snd_tea575x *t
32 u8 (*get_pins)(struct snd_tea575x *tea
33 void (*set_direction)(struct snd_tea57
34 };
35
36 struct snd_tea575x {
37 struct v4l2_device *v4l2_dev;
38 struct v4l2_file_operations fops;
39 struct video_device vd; /* vid
40 int radio_nr; /* rad
41 bool tea5759; /* 575
42 bool has_am; /* Dev
43 bool cannot_read_data; /* Dev
44 bool cannot_mute; /* Dev
45 bool mute; /* Dev
46 bool stereo; /* rec
47 bool tuned; /* tun
48 unsigned int val; /* hw
49 u32 band; /* 0:
50 u32 freq; /* fre
51 struct mutex mutex;
52 const struct snd_tea575x_ops *ops;
53 void *private_data;
54 u8 card[32];
55 u8 bus_info[32];
56 struct v4l2_ctrl_handler ctrl_handler;
57 int (*ext_init)(struct snd_tea575x *te
58 };
59
60 int snd_tea575x_enum_freq_bands(struct snd_tea
61 struct
62 int snd_tea575x_g_tuner(struct snd_tea575x *te
63 int snd_tea575x_s_hw_freq_seek(struct file *fi
64 const struct v
65 int snd_tea575x_hw_init(struct snd_tea575x *te
66 int snd_tea575x_init(struct snd_tea575x *tea,
67 void snd_tea575x_exit(struct snd_tea575x *tea)
68 void snd_tea575x_set_freq(struct snd_tea575x *
69
70 #endif /* __SOUND_TEA575X_TUNER_H */
71
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