Initial import

1 files changed, 84 insertions, 0 deletions

diff --git a/include/media/tea575x.h b/include/media/tea575x.h
new file mode 100644
index 000000000..5d096578b
--- /dev/null
+++ b/include/media/tea575x.h
@@ -0,0 +1,84 @@
+#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-ctrls.h>
+#include <media/v4l2-dev.h>
+#include <media/v4l2-device.h>
+
+#define TEA575X_FMIF	10700
+#define TEA575X_AMIF	  450
+
+#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 {
+	/* Drivers using snd_tea575x must either define read_ and write_val */
+	void (*write_val)(struct snd_tea575x *tea, u32 val);
+	u32 (*read_val)(struct snd_tea575x *tea);
+	/* Or define the 3 pin functions */
+	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 v4l2_device *v4l2_dev;
+	struct v4l2_file_operations fops;
+	struct video_device vd;		/* video device */
+	int radio_nr;			/* radio_nr */
+	bool tea5759;			/* 5759 chip is present */
+	bool has_am;			/* Device can tune to AM freqs */
+	bool cannot_read_data;		/* Device cannot read the data pin */
+	bool cannot_mute;		/* Device cannot mute */
+	bool mute;			/* Device is muted? */
+	bool stereo;			/* receiving stereo */
+	bool tuned;			/* tuned to a station */
+	unsigned int val;		/* hw value */
+	u32 band;			/* 0: FM, 1: FM-Japan, 2: AM */
+	u32 freq;			/* frequency */
+	struct mutex mutex;
+	struct snd_tea575x_ops *ops;
+	void *private_data;
+	u8 card[32];
+	u8 bus_info[32];
+	struct v4l2_ctrl_handler ctrl_handler;
+	int (*ext_init)(struct snd_tea575x *tea);
+};
+
+int snd_tea575x_enum_freq_bands(struct snd_tea575x *tea,
+					struct v4l2_frequency_band *band);
+int snd_tea575x_g_tuner(struct snd_tea575x *tea, struct v4l2_tuner *v);
+int snd_tea575x_s_hw_freq_seek(struct file *file, struct snd_tea575x *tea,
+				const struct v4l2_hw_freq_seek *a);
+int snd_tea575x_hw_init(struct snd_tea575x *tea);
+int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner);
+void snd_tea575x_exit(struct snd_tea575x *tea);
+void snd_tea575x_set_freq(struct snd_tea575x *tea);
+
+#endif /* __SOUND_TEA575X_TUNER_H */