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 (at) 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/videodev.h> 26 #include <media/v4l2-dev.h> 27 28 struct snd_tea575x; 29 30 struct snd_tea575x_ops { 31 void (*write)(struct snd_tea575x *tea, unsigned int val); 32 unsigned int (*read)(struct snd_tea575x *tea); 33 }; 34 35 struct snd_tea575x { 36 struct snd_card *card; 37 struct video_device vd; /* video device */ 38 struct file_operations fops; 39 int dev_nr; /* requested device number + 1 */ 40 int vd_registered; /* video device is registered */ 41 int tea5759; /* 5759 chip is present */ 42 unsigned int freq_fixup; /* crystal onboard */ 43 unsigned int val; /* hw value */ 44 unsigned long freq; /* frequency */ 45 struct snd_tea575x_ops *ops; 46 void *private_data; 47 }; 48 49 void snd_tea575x_init(struct snd_tea575x *tea); 50 void snd_tea575x_exit(struct snd_tea575x *tea); 51 52 #endif /* __SOUND_TEA575X_TUNER_H */ 53
