1 files changed, 99 insertions, 0 deletions

diff --git a/firmware/tuner.c b/firmware/tuner.c
new file mode 100644
index 0000000000..85f56b8976
--- /dev/null
+++ b/firmware/tuner.c
@@ -0,0 +1,99 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ * General tuner functions
+ *
+ * Copyright (C) 2007 by Michael Sevakis
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdlib.h>
+#include "config.h"
+#include "kernel.h"
+#include "tuner.h"
+#include "fmradio.h"
+
+#ifdef CONFIG_TUNER_MULTI
+int (*tuner_set)(int setting, int value);
+int (*tuner_get)(int setting);
+
+#define TUNER_TYPE_CASE(type, set, get, region_data) \
+    case type:                                       \
+        tuner_set = set;                             \
+        tuner_get = get;                             \
+        break;
+
+#else
+
+#define TUNER_TYPE_CASE(type, set, get, region_data)
+
+#endif /* CONFIG_TUNER_MULTI */
+
+/* General region information */
+const struct fm_region_data fm_region_data[TUNER_NUM_REGIONS] =
+{
+    [REGION_EUROPE]    = { 87500000, 108000000,  50000 },
+    [REGION_US_CANADA] = { 87900000, 107900000, 200000 },
+    [REGION_JAPAN]     = { 76000000,  90000000, 100000 },
+    [REGION_KOREA]     = { 87500000, 108000000, 100000 }
+};
+
+/* Tuner-specific region information */
+
+#if (CONFIG_TUNER & LV24020LP)
+/* deemphasis setting for region */
+const unsigned char lv24020lp_region_data[TUNER_NUM_REGIONS] =
+{
+    [REGION_EUROPE]    = 0, /* 50uS */
+    [REGION_US_CANADA] = 1, /* 75uS */
+    [REGION_JAPAN]     = 0, /* 50uS */
+    [REGION_KOREA]     = 0, /* 50uS */
+};
+#endif /* (CONFIG_TUNER & LV24020LP) */
+
+#if (CONFIG_TUNER & TEA5767)
+const struct tea5767_region_data tea5767_region_data[TUNER_NUM_REGIONS] =
+{
+    [REGION_EUROPE]    = { 0, 0 }, /* 50uS, US/Europe band */
+    [REGION_US_CANADA] = { 1, 0 }, /* 75uS, US/Europe band */
+    [REGION_JAPAN]     = { 0, 1 }, /* 50uS, Japanese band  */
+    [REGION_KOREA]     = { 0, 0 }, /* 50uS, US/Europe band */ 
+};
+#endif /* (CONFIG_TUNER & TEA5767) */
+
+void tuner_init(void)
+{
+#ifdef CONFIG_TUNER_MULTI
+    switch (tuner_detect_type())
+#endif
+    {
+    #if (CONFIG_TUNER & LV24020LP)
+        TUNER_TYPE_CASE(LV24020LP,
+                        lv24020lp_set,
+                        lv24020lp_get,
+                        lv24020lp_region_data)
+    #endif
+    #if (CONFIG_TUNER & TEA5767)
+        TUNER_TYPE_CASE(TEA5767,
+                        tea5767_set,
+                        tea5767_get,
+                        tea5767_region_data)
+    #endif
+    #if (CONFIG_TUNER & S1A0903X01)
+        TUNER_TYPE_CASE(S1A0903X01,
+                        s1a0903x01_set,
+                        s1a0903x01_get,
+                        NULL)
+    #endif
+    }
+}