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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@perex.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/videodev2.h> |
26 | #include <media/v4l2-dev.h> |
27 | #include <media/v4l2-ioctl.h> |
28 | |
29 | struct snd_tea575x; |
30 | |
31 | struct snd_tea575x_ops { |
32 | void (*write)(struct snd_tea575x *tea, unsigned int val); |
33 | unsigned int (*read)(struct snd_tea575x *tea); |
34 | void (*mute)(struct snd_tea575x *tea, unsigned int mute); |
35 | }; |
36 | |
37 | struct snd_tea575x { |
38 | struct snd_card *card; |
39 | struct video_device *vd; /* video device */ |
40 | int dev_nr; /* requested device number + 1 */ |
41 | int tea5759; /* 5759 chip is present */ |
42 | int mute; /* Device is muted? */ |
43 | unsigned int freq_fixup; /* crystal onboard */ |
44 | unsigned int val; /* hw value */ |
45 | unsigned long freq; /* frequency */ |
46 | unsigned long in_use; /* set if the device is in use */ |
47 | struct snd_tea575x_ops *ops; |
48 | void *private_data; |
49 | }; |
50 | |
51 | void snd_tea575x_init(struct snd_tea575x *tea); |
52 | void snd_tea575x_exit(struct snd_tea575x *tea); |
53 | |
54 | #endif /* __SOUND_TEA575X_TUNER_H */ |
55 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
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v3.9