FM radio for Philips HDD1630. Volume was very faint unless recording was enabled, so do that too.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19996 a1c6a512-1295-4272-9138-f99709370657

apps/keymaps/keymap-hdd1630.c

@@ -269,6 +269,19 @@ static const struct button_mapping button_context_keyboard[]  = {
     LAST_ITEM_IN_LIST
 }; /* button_context_keyboard */
 
+#if CONFIG_TUNER
+static const struct button_mapping button_context_radio[]  = {
+    { ACTION_FM_MENU,        BUTTON_MENU | BUTTON_REL,              BUTTON_MENU },
+    { ACTION_FM_MODE,        BUTTON_MENU | BUTTON_REPEAT,           BUTTON_MENU },
+    { ACTION_FM_PRESET,      BUTTON_VIEW,                           BUTTON_NONE },
+    { ACTION_FM_PLAY,        BUTTON_SELECT | BUTTON_REL,            BUTTON_SELECT },
+    { ACTION_FM_STOP,        BUTTON_SELECT | BUTTON_REPEAT,         BUTTON_SELECT },
+    { ACTION_FM_EXIT,        BUTTON_POWER,                          BUTTON_NONE },
+
+    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_SETTINGS)
+};
+#endif
+
 const struct button_mapping* get_context_mapping(int context)
 {
     switch (context)
@@ -312,6 +325,10 @@ const struct button_mapping* get_context_mapping(int context)
             return button_context_pitchscreen;
         case CONTEXT_KEYBOARD:
             return button_context_keyboard;
+#if CONFIG_TUNER
+        case CONTEXT_FM:
+            return button_context_radio;
+#endif
     }
     return button_context_standard;
 }

firmware/SOURCES

@@ -555,6 +555,7 @@ target/arm/i2s-pp.c
 target/arm/adc-pp5020.c
 target/arm/philips/hdd1630/backlight-hdd1630.c
 target/arm/philips/hdd1630/button-hdd1630.c
+target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c
 target/arm/philips/hdd1630/lcd-hdd1630.c
 target/arm/philips/hdd1630/power-hdd1630.c
 target/arm/philips/hdd1630/powermgmt-hdd1630.c

firmware/drivers/tuner/tea5767.c

@@ -28,7 +28,12 @@
 #include "fmradio.h"
 #include "fmradio_i2c.h" /* physical interface driver */
 
+#if defined(PHILIPS_HDD1630)
+#define I2C_ADR 0x60
+#else
 #define I2C_ADR 0xC0
+#endif
+
 static unsigned char write_bytes[5] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
 
 static void tea5767_set_clear(int byte, unsigned char bits, int set)
@@ -87,7 +92,7 @@ int tea5767_set(int setting, int value)
             tea5767_set_clear(4, (1<<6), rd->deemphasis);
             tea5767_set_clear(3, (1<<5), rd->band);
             break;
-            }
+        }
         case RADIO_FORCE_MONO:
             tea5767_set_clear(2, 0x08, value);
             break;

firmware/export/config-hdd1630.h

@@ -12,7 +12,7 @@
 #define CONFIG_STORAGE STORAGE_ATA
 
 /* define this if you have recording possibility */
-/* #define HAVE_RECORDING */
+#define HAVE_RECORDING
 
 /* Define bitmask of input sources - recordable bitmask can be defined
    explicitly if different */
@@ -99,8 +99,8 @@
 /* TODO: #define AB_REPEAT_ENABLE 1 */
 
 /* FM Tuner */
-/* #define CONFIG_TUNER TEA5767 */
+#define CONFIG_TUNER      TEA5767
-/* #define CONFIG_TUNER_XTAL  32768 */
+#define CONFIG_TUNER_XTAL 32768
 
 /* define this if you have a disk storage, i.e. something
    that needs spinups and can cause skips when shaked */

firmware/export/i2c-pp.h

@@ -56,5 +56,6 @@ void i2c_init(void);
 int i2c_readbyte(unsigned int dev_addr, int addr);
 int pp_i2c_send(unsigned int addr, int data0, int data1);
 int i2c_readbytes(unsigned int dev_addr, int addr, int len, unsigned char *data);
+int i2c_sendbytes(unsigned int dev_addr, int len, const unsigned char *data);
 
 #endif

firmware/target/arm/i2c-pp.c

@@ -196,6 +196,29 @@ int i2c_readbyte(unsigned int dev_addr, int addr)
     return (int)data;
 }
 
+int i2c_sendbytes(unsigned int addr, int len, const unsigned char *data)
+{
+    int i, n;
+
+    mutex_lock(&i2c_mtx);
+
+    i = 0;
+    while (len > 0)
+    {
+        n = (len < 4) ? len : 4;
+
+        if (pp_i2c_send_bytes(addr, n, (unsigned char *)(data + i)) < 0)
+            break;
+
+        len -= n;
+        i   += n;
+    }
+
+    mutex_unlock(&i2c_mtx);
+
+    return i;
+}
+
 int pp_i2c_send(unsigned int addr, int data0, int data1)
 {
     int retval;
@@ -234,7 +257,14 @@ void i2c_init(void)
 
 #if CONFIG_I2C == I2C_PP5020
     outl(0x0, 0x600060a4);
+#if defined(PHILIPS_HDD1630)
+    outl(inl(0x600060a4) | 0x20, 0x600060a4);
+    outl(inl(0x7000c020) | 0x3, 0x7000c020);
+    outl(0x55, 0x7000c02c);
+    outl(0x54, 0x7000c030);
+#else
     outl(0x80 | (0 << 8), 0x600060a4);
+#endif
 #elif CONFIG_I2C == I2C_PP5024
 #if defined(SANSA_E200) || defined(PHILIPS_SA9200)
     /* Sansa OF sets this to 0x20 first, communicates with the AS3514

firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c

@@ -0,0 +1,44 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id:$
+ *
+ * Copyright (C) 2009 by Mark Arigo
+ *
+ * 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.
+ *
+ ****************************************************************************/
+#include "config.h"
+
+#if (CONFIG_TUNER & TEA5767)
+#include "i2c-pp.h"
+#include "fmradio_i2c.h"
+
+/* The TEA5767 uses 5 bytes, but the pp-i2c will only read/write 4 bytes
+   at a time. The tuner doesn't like it when the i2c resets to send the 5th
+   byte. So, we can only read/write the first 4 bytes. Luckily, on read,
+   the 5th byte is reserved and on write we only use that for the deemphasis
+   bit (which we'll have to ignore). This is what the OF appears to do too. */
+
+int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)
+{
+    (void)count;
+    return i2c_sendbytes(address, 4, buf);
+}
+
+int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
+{
+    (void)count;
+    return i2c_readbytes(address, -1, 4, buf);
+}
+#endif

firmware/target/arm/philips/hdd1630/power-hdd1630.c

@@ -39,6 +39,13 @@ void power_init(void)
     /* charger inserted bit */
     GPIOE_ENABLE |= 0x20;
     GPIOE_INPUT_VAL |= 0x20;
+
+#if CONFIG_TUNER
+    /* fm antenna? */
+    GPIOE_ENABLE |= 0x40;
+    GPIOE_OUTPUT_EN |= 0x40;
+    GPIOE_OUTPUT_VAL &= ~0x40; /* off */
+#endif
 }
 
 unsigned int power_input_status(void)
@@ -77,3 +84,15 @@ void power_off(void)
     GPIOB_OUTPUT_VAL &= ~0x80;
     GPIOB_OUTPUT_EN |= 0x80;
 }
+
+#if CONFIG_TUNER
+bool tuner_power(bool status)
+{
+    if (status)
+        GPIOE_OUTPUT_VAL |= 0x40;
+    else
+        GPIOE_OUTPUT_VAL &= ~0x40;
+
+    return status;
+}
+#endif