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authorKevin2014-11-15 09:58:27 +0800
committerKevin2014-11-15 09:58:27 +0800
commit392e8802486cb573b916e746010e141a75f507e6 (patch)
tree50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/include/sound/tea575x-tuner.h
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init android origin source code
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diff --git a/ANDROID_3.4.5/include/sound/tea575x-tuner.h b/ANDROID_3.4.5/include/sound/tea575x-tuner.h
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+#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_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 v4l2_device *v4l2_dev;
+ struct video_device vd; /* video device */
+ int radio_nr; /* radio_nr */
+ bool tea5759; /* 5759 chip is present */
+ bool cannot_read_data; /* Device cannot read the data pin */
+ bool mute; /* Device is muted? */
+ bool stereo; /* receiving stereo */
+ bool tuned; /* tuned to a station */
+ unsigned int val; /* hw value */
+ 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_init(struct snd_tea575x *tea);
+void snd_tea575x_exit(struct snd_tea575x *tea);
+
+#endif /* __SOUND_TEA575X_TUNER_H */