| 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 */ |