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1 | #ifndef __SOUND_TEA575X_TUNER_H |
2 | #define __SOUND_TEA575X_TUNER_H | |
3 | ||
4 | /* | |
5 | * ALSA driver for TEA5757/5759 Philips AM/FM tuner chips | |
6 | * | |
7 | * Copyright (c) 2004 Jaroslav Kysela <perex@suse.cz> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #include <linux/videodev.h> | |
26 | ||
27 | typedef struct snd_tea575x tea575x_t; | |
28 | ||
29 | struct snd_tea575x_ops { | |
30 | void (*write)(tea575x_t *tea, unsigned int val); | |
31 | unsigned int (*read)(tea575x_t *tea); | |
32 | }; | |
33 | ||
34 | struct snd_tea575x { | |
35 | snd_card_t *card; | |
36 | struct video_device vd; /* video device */ | |
37 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 0) | |
38 | struct file_operations fops; | |
39 | #endif | |
40 | int dev_nr; /* requested device number + 1 */ | |
41 | int vd_registered; /* video device is registered */ | |
42 | int tea5759; /* 5759 chip is present */ | |
43 | unsigned int freq_fixup; /* crystal onboard */ | |
44 | unsigned int val; /* hw value */ | |
45 | unsigned long freq; /* frequency */ | |
46 | struct snd_tea575x_ops *ops; | |
47 | void *private_data; | |
48 | }; | |
49 | ||
50 | void snd_tea575x_init(tea575x_t *tea); | |
51 | void snd_tea575x_exit(tea575x_t *tea); | |
52 | ||
53 | #endif /* __SOUND_TEA575X_TUNER_H */ |