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Diffstat (limited to 'include/sound/tea575x-tuner.h')
| -rw-r--r-- | include/sound/tea575x-tuner.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/sound/tea575x-tuner.h b/include/sound/tea575x-tuner.h new file mode 100644 index 00000000..d2ea112f --- /dev/null +++ b/include/sound/tea575x-tuner.h @@ -0,0 +1,62 @@ +#ifndef __SOUND_TEA575X_TUNER_H +#define __SOUND_TEA575X_TUNER_H + +/* + * ALSA driver for TEA5757/5759 Philips AM/FM tuner chips + * + * Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/videodev2.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-ioctl.h> + +#define TEA575X_FMIF 10700 + +#define TEA575X_DATA (1 << 0) +#define TEA575X_CLK (1 << 1) +#define TEA575X_WREN (1 << 2) +#define TEA575X_MOST (1 << 3) + +struct snd_tea575x; + +struct snd_tea575x_ops { + void (*set_pins)(struct snd_tea575x *tea, u8 pins); + u8 (*get_pins)(struct snd_tea575x *tea); + void (*set_direction)(struct snd_tea575x *tea, bool output); +}; + +struct snd_tea575x { + struct video_device *vd; /* video device */ + bool tea5759; /* 5759 chip is present */ + bool mute; /* Device is muted? */ + bool stereo; /* receiving stereo */ + bool tuned; /* tuned to a station */ + unsigned int val; /* hw value */ + unsigned long freq; /* frequency */ + unsigned long in_use; /* set if the device is in use */ + struct snd_tea575x_ops *ops; + void *private_data; + u8 card[32]; + u8 bus_info[32]; +}; + +int snd_tea575x_init(struct snd_tea575x *tea); +void snd_tea575x_exit(struct snd_tea575x *tea); + +#endif /* __SOUND_TEA575X_TUNER_H */ |