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55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
#ifndef __SOUND_TEA575X_TUNER_H
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#define __SOUND_TEA575X_TUNER_H
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/*
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* ALSA driver for TEA5757/5759 Philips AM/FM tuner chips
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*
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* Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/videodev2.h>
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#include <media/v4l2-dev.h>
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#include <media/v4l2-ioctl.h>
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struct snd_tea575x;
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struct snd_tea575x_ops {
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void (*write)(struct snd_tea575x *tea, unsigned int val);
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unsigned int (*read)(struct snd_tea575x *tea);
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void (*mute)(struct snd_tea575x *tea, unsigned int mute);
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};
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struct snd_tea575x {
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struct snd_card *card;
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struct video_device *vd; /* video device */
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int dev_nr; /* requested device number + 1 */
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int tea5759; /* 5759 chip is present */
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int mute; /* Device is muted? */
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unsigned int freq_fixup; /* crystal onboard */
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unsigned int val; /* hw value */
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unsigned long freq; /* frequency */
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unsigned long in_use; /* set if the device is in use */
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struct snd_tea575x_ops *ops;
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void *private_data;
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};
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void snd_tea575x_init(struct snd_tea575x *tea);
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void snd_tea575x_exit(struct snd_tea575x *tea);
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#endif /* __SOUND_TEA575X_TUNER_H */
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