From 0260852771aef7a6e9045684f0c3d0d7e01909f7 Mon Sep 17 00:00:00 2001
From: Laurent Gautier <creposucre@rockbox.org>
Date: Tue, 1 Dec 2009 17:54:40 +0000
Subject: Add support for the ipod FM remote to the 4G, Color, 5G, nano 1G with
 RDS

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23805 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/export/ipod_remote_tuner.h | 75 +++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 firmware/export/ipod_remote_tuner.h

(limited to 'firmware/export/ipod_remote_tuner.h')

diff --git a/firmware/export/ipod_remote_tuner.h b/firmware/export/ipod_remote_tuner.h
new file mode 100644
index 0000000000..28fcfe1e93
--- /dev/null
+++ b/firmware/export/ipod_remote_tuner.h
@@ -0,0 +1,75 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: ipod_remote_tuner.h
+ * Tuner header for the ipod remote tuner and others remote tuners
+ *
+ * Copyright (C) 2009 Laurent Gautier
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _IPOD_REMOTE_TUNER_H_
+#define _IPOD_REMOTE_TUNER_H_
+
+#define HAVE_RADIO_REGION
+#define TIMEOUT_VALUE 20
+
+extern int radio_present;
+extern int tuner_frequency;
+extern int tuner_signal_power;
+extern int radio_tuned;
+
+/* update tuner state: plugged or unplugged when in radio mode */
+extern void rmt_tuner_region(int region);
+extern void rmt_tuner_set_freq(int curr_freq);
+extern void rmt_tuner_freq(void);
+extern void rmt_tuner_scan(int direction);
+
+/* tuner mode state: ON or OFF */
+extern void rmt_tuner_sleep(int state);
+
+/* parameters are stereo/mono, deemphasis, delta freq... */
+extern void rmt_tuner_set_param(unsigned char tuner_param);
+
+extern void rmt_tuner_mute(int value);
+extern void rmt_tuner_signal_power(unsigned char value);
+
+extern void rmt_tuner_rds_data(void);
+
+struct rmt_tuner_region_data
+{
+    /* 0: 50us, 1: 75us */
+    unsigned char deemphasis;
+    /* 0: europe, 1: japan (BL in TEA spec)*/
+    unsigned char band;
+    /* 0: us/australia (200kHz), 1: europe/japan (100kHz), 2: (50kHz) */
+    unsigned char spacing;
+} __attribute__((packed));
+
+extern const struct rmt_tuner_region_data
+                                rmt_tuner_region_data[TUNER_NUM_REGIONS];
+
+int ipod_rmt_tuner_set(int setting, int value);
+int ipod_rmt_tuner_get(int setting);
+char* ipod_get_rds_info(int setting);
+
+
+#ifndef CONFIG_TUNER_MULTI
+#define tuner_set ipod_rmt_tuner_set
+#define tuner_get ipod_rmt_tuner_get
+#define tuner_get_rds_info ipod_get_rds_info
+#endif
+
+#endif /* _IPOD_REMOTE_TUNER_H_ */
-- 
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