Onda VX747: try at implementing FM tuner support

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21160 a1c6a512-1295-4272-9138-f99709370657

apps/keymaps/keymap-ondavx747.c

@@ -101,6 +101,7 @@ static const struct button_mapping button_context_settings_right_is_inc[]  = {
 }; /* button_context_settingsgraphical */
 
 static const struct button_mapping button_context_yesno[]  = {
+    { ACTION_YESNO_ACCEPT,          BUTTON_MENU,              BUTTON_NONE },
     LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_STD)
 }; /* button_context_settings_yesno */
 
@@ -142,6 +143,19 @@ static const struct button_mapping button_context_pitchscreen[]  = {
     LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_STD)
 }; /* button_context_pitchcreen */
 
+/** FM Radio Screen **/
+static const struct button_mapping button_context_radio[]  = {
+    { ACTION_STD_PREV,       BUTTON_VOL_DOWN,                   BUTTON_NONE   },
+    { ACTION_STD_PREVREPEAT, BUTTON_VOL_DOWN|BUTTON_REPEAT,     BUTTON_NONE   },
+    { ACTION_STD_NEXT,       BUTTON_VOL_UP,                     BUTTON_NONE   },
+    { ACTION_STD_NEXTREPEAT, BUTTON_VOL_UP|BUTTON_REPEAT,       BUTTON_NONE   },
+    { ACTION_FM_MENU,        BUTTON_MENU|BUTTON_REPEAT,         BUTTON_NONE   },
+    { ACTION_FM_PRESET,      BUTTON_MENU|BUTTON_REL,            BUTTON_NONE   },
+    { ACTION_FM_MODE,        BUTTON_POWER|BUTTON_REL,           BUTTON_POWER  },
+    { ACTION_FM_EXIT,        BUTTON_POWER|BUTTON_REPEAT,        BUTTON_NONE   },
+    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_SETTINGS)
+}; /* button_context_radio */
+
 static const struct button_mapping button_context_keyboard[]  = {
     { ACTION_KBD_PAGE_FLIP,    BUTTON_MENU,                     BUTTON_NONE },
     { ACTION_KBD_CURSOR_LEFT,  BUTTON_VOL_DOWN,                 BUTTON_NONE },
@@ -201,6 +215,8 @@ const struct button_mapping* target_get_context_mapping(int context)
 
         case CONTEXT_YESNOSCREEN:
             return button_context_yesno;
+        case CONTEXT_FM:
+            return button_context_radio;
         case CONTEXT_BOOKMARKSCREEN:
             return button_context_bmark;
         case CONTEXT_QUICKSCREEN:

firmware/SOURCES

@@ -1244,6 +1244,7 @@ drivers/qt1106.c
 target/mips/ingenic_jz47xx/ata-nand-jz4740.c
 target/mips/ingenic_jz47xx/ata-sd-jz4740.c
 target/mips/ingenic_jz47xx/debug-jz4740.c
+target/mips/ingenic_jz47xx/fmradio-i2c-jz4740.c
 target/mips/ingenic_jz47xx/kernel-jz4740.c
 target/mips/ingenic_jz47xx/i2c-jz4740.c
 target/mips/ingenic_jz47xx/lcd-jz4740.c

firmware/export/config-ondavx747.h

@@ -94,6 +94,10 @@
 /* define this if you have a real-time clock */
 #define CONFIG_RTC RTC_JZ47XX
 
+/* Tuner config */
+#define CONFIG_TUNER TEA5767
+#define CONFIG_TUNER_XTAL 32768
+
 /* Define this for LCD backlight available */
 #define HAVE_BACKLIGHT
 #define HAVE_BACKLIGHT_BRIGHTNESS
@@ -122,6 +126,10 @@
 /* Define this if you have the Jz4740 internal codec */
 #define HAVE_JZ4740_CODEC
 
+/* Define bitmask of input sources - recordable bitmask can be defined
+   explicitly if different */
+#define INPUT_SRC_CAPS (SRC_CAP_MIC | SRC_CAP_FMRADIO)
+
 /* has no tone controls, so we use the software ones */
 #define HAVE_SW_TONE_CONTROLS
 

firmware/target/mips/ingenic_jz47xx/codec-jz4740.c

@@ -20,9 +20,10 @@
  ****************************************************************************/
 
 #include "config.h"
+#include "audio.h"
+#include "audiohw.h"
 #include "jz4740.h"
 #include "system.h"
-#include "audiohw.h"
 
 /* TODO */
 const struct sound_settings_info audiohw_settings[] = {
@@ -330,3 +331,66 @@ void audiohw_set_frequency(int freq)
 
     REG_ICDC_CDCCR2 = (REG_ICDC_CDCCR2 & ~ICDC_CDCCR2_SMPR(0xF)) | speed;
 }
+
+int audio_channels = 2;
+int audio_output_source = AUDIO_SRC_PLAYBACK;
+
+void audio_set_output_source(int source)
+{
+    if((unsigned)source >= AUDIO_NUM_SOURCES)
+        source = AUDIO_SRC_PLAYBACK;
+
+    audio_output_source = source;
+} /* audio_set_output_source */
+
+void audio_input_mux(int source, unsigned flags)
+{
+    static int last_source = AUDIO_SRC_PLAYBACK;
+    static bool last_recording = false;
+    bool recording = flags & SRCF_RECORDING;
+
+    switch (source)
+    {
+        default:                        /* playback - no recording */
+            source = AUDIO_SRC_PLAYBACK;
+        case AUDIO_SRC_PLAYBACK:
+            audio_channels = 2;
+            if(source != last_source)
+            {
+                REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_ELININ | ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_HPMUTE))
+                                    | (ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON);
+            }
+            break;
+
+        case AUDIO_SRC_MIC:             /* recording only */
+            audio_channels = 1;
+            if(source != last_source)
+            {
+                REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_ELININ | ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_HPMUTE)) 
+                                    | (ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_EMIC);
+            }
+            break;
+
+        case AUDIO_SRC_FMRADIO:         /* recording and playback */
+            audio_channels = 2;
+
+            if(source == last_source && recording == last_recording)
+                break;
+
+            last_recording = recording;
+
+            if(recording)
+            {
+                REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_HPMUTE))
+                                    | (ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_ELININ);
+            }
+            else
+            {
+                REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EDAC | ICDC_CDCCR1_EADC |
+                                   ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_HPMUTE)) | (ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_ELININ);
+            }
+            break;
+    } /* end switch */
+
+    last_source = source;
+} /* audio_input_mux */

firmware/target/mips/ingenic_jz47xx/fmradio-i2c-jz4740.c

@@ -0,0 +1,37 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Maurus Cuelenaere
+ *
+ * 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 "fmradio_i2c.h"
+#include "i2c.h"
+
+/* fmradio i2c wrappers */
+void fmradio_i2c_init(void)
+{
+}
+
+int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)
+{
+    return i2c_write(address, buf, count);
+}
+
+int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
+{
+    return i2c_read(address, buf, count);
+}

firmware/target/mips/ingenic_jz47xx/i2c-jz4740.c

@@ -20,6 +20,10 @@
  * KIND, either express or implied.
  *
  ****************************************************************************/
+#include "config.h"
+#include "system.h"
+#include "jz4740.h"
+#include "logf.h"
 
 /*
  * Jz4740 I2C routines.
@@ -42,15 +46,9 @@
  *
  */
 
-#include "config.h"
-#include "system.h"
-#include "jz4740.h"
-#include "logf.h"
-
-
 /* I2C protocol */
 #define I2C_READ    1
-#define I2C_WRITE    0
+#define I2C_WRITE   0
 
 #define TIMEOUT     1000
 
@@ -84,7 +82,7 @@ static int i2c_put_data_nack(unsigned char data)
     while (__i2c_check_drf() != 0);
     while (!__i2c_transmit_ended());
     while (timeout--);
-    
+
     return 0;
 }
 #endif
@@ -121,13 +119,13 @@ void i2c_setclk(unsigned int i2cclk)
 /*
  * I2C interface
  */
-void i2c_open(void)
+static void i2c_open(void)
 {
     i2c_setclk(10000); /* default 10 KHz */
     __i2c_enable();
 }
 
-void i2c_close(void)
+static void i2c_close(void)
 {
     udelay(300); /* wait for STOP goes over. */
     __i2c_disable();
@@ -137,21 +135,23 @@ int i2c_read(int device, unsigned char *buf, int count)
 {
     int cnt = count;
     int timeout = 5;
-    
+
     device &= 0xFF;
 
+    i2c_open();
+
 L_try_again:
     if (timeout < 0)
         goto L_timeout;
 
     __i2c_send_nack();    /* Master does not send ACK, slave sends it */
-    
+
     __i2c_send_start();
     if (i2c_put_data( (device << 1) | I2C_READ ) < 0)
         goto device_err;
-    
+
     __i2c_send_ack();    /* Master sends ACK for continue reading */
-    
+
     while (cnt)
     {
         if (cnt == 1)
@@ -170,7 +170,7 @@ L_try_again:
 
     __i2c_send_stop();
     return count - cnt;
-    
+
 device_err:
     timeout--;
     __i2c_send_stop();
@@ -179,6 +179,7 @@ device_err:
 L_timeout:
     __i2c_send_stop();
     logf("Read I2C device 0x%2x failed.", device);
+    i2c_close();
     return -1;
 }
 
@@ -186,9 +187,11 @@ int i2c_write(int device, unsigned char *buf, int count)
 {
     int cnt = count;
     int timeout = 5;
-    
+
     device &= 0xFF;
 
+    i2c_open();
+
     __i2c_send_nack();    /* Master does not send ACK, slave sends it */
 
 W_try_again:
@@ -200,7 +203,7 @@ W_try_again:
     __i2c_send_start();
     if (i2c_put_data( (device << 1) | I2C_WRITE ) < 0)
         goto device_err;
-    
+
 #if 0 //CONFIG_JZ_TPANEL_ATA2508
     if (address == 0xff)
     {
@@ -226,7 +229,7 @@ W_try_again:
 
     __i2c_send_stop();
     return count - cnt;
-    
+
 device_err:
     timeout--;
     __i2c_send_stop();
@@ -235,6 +238,7 @@ device_err:
 W_timeout:
     logf("Write I2C device 0x%2x failed.", device);
     __i2c_send_stop();
+    i2c_close();
     return -1;
 }