Patch #5347 by Rani Hod - Adds FM radio and recording features to the iAudio X5.

Also includes a rewrite of the Coldfire I2C driver to include both read and write.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10272 a1c6a512-1295-4272-9138-f99709370657

15 files changed, 449 insertions, 167 deletions

diff --git a/apps/main.c b/apps/main.c
index 4f31cdb..8ee6adf 100644
--- a/apps/main.c
+++ b/apps/main.c
@@ -72,7 +72,7 @@
 #else
 #define pcmbuf_init()
 #endif
-#if (defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)) && !defined(SIMULATOR)
+#if (CONFIG_CODEC == SWCODEC) && defined(HAVE_RECORDING) && !defined(SIMULATOR)
 #include "pcm_record.h"
 #define SETTINGS_RESET BUTTON_REC
 #endif
@@ -425,7 +425,7 @@ void init(void)
     talk_init();
 
     audio_init();
-#if (defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)) && !defined(SIMULATOR)
+#if (CONFIG_CODEC == SWCODEC) && defined(HAVE_RECORDING) && !defined(SIMULATOR)
     pcm_rec_init();
 #endif
 
diff --git a/apps/recorder/radio.c b/apps/recorder/radio.c
index 291079b..a29620b 100644
--- a/apps/recorder/radio.c
+++ b/apps/recorder/radio.c
@@ -64,7 +64,13 @@
 #ifdef CONFIG_TUNER
 
 #if CONFIG_CODEC == SWCODEC
+#ifdef HAVE_UDA1380
 #include "uda1380.h"
+#endif
+#ifdef HAVE_TLV320
+#include "tlv320.h"
+#endif
+
 #include "pcm_record.h"
 #endif
 
@@ -109,6 +115,35 @@
 #define FM_STOP BUTTON_OFF
 #define FM_RC_STOP BUTTON_RC_STOP
 
+#elif (CONFIG_KEYPAD == IAUDIO_X5_PAD)
+/* pause/play - short PLAY */
+#define FM_PLAY_PRE BUTTON_PLAY
+#define FM_RC_PLAY_PRE BUTTON_RC_PLAY
+#define FM_PLAY (BUTTON_PLAY | BUTTON_REL)
+#define FM_RC_PLAY (BUTTON_RC_PLAY | BUTTON_REL)
+/* preset/scan mode - long PLAY */
+#define FM_MODE (BUTTON_PLAY | BUTTON_REPEAT)
+#define FM_RC_MODE (BUTTON_RC_PLAY | BUTTON_REPEAT)
+/* preset menu - short SELECT */
+#define FM_PRESET_PRE BUTTON_SELECT
+#define FM_RC_PRESET_PRE BUTTON_RC_MENU
+#define FM_PRESET (BUTTON_SELECT | BUTTON_REL)
+#define FM_RC_PRESET (BUTTON_RC_MENU | BUTTON_REL)
+/* fm menu - long SELECT */
+#define FM_MENU (BUTTON_SELECT | BUTTON_REPEAT)
+#define FM_RC_MENU (BUTTON_RC_MENU | BUTTON_REPEAT)
+/* main menu(exit radio while playing) - REC */
+#define FM_EXIT_PRE BUTTON_REC
+#define FM_EXIT (BUTTON_REC | BUTTON_REL)
+#define FM_RC_EXIT_PRE BUTTON_RC_MODE
+#define FM_RC_EXIT (BUTTON_RC_MODE | BUTTON_REL)
+/* prev/next preset on the remote - REW/FF */
+#define FM_NEXT_PRESET (BUTTON_RC_FF | BUTTON_REL)
+#define FM_PREV_PRESET (BUTTON_RC_REW | BUTTON_REL)
+/* stop and exit radio - ON */
+#define FM_STOP BUTTON_POWER
+#define FM_RC_STOP (BUTTON_RC_MODE | BUTTON_REPEAT)
+
 #elif CONFIG_KEYPAD == ONDIO_PAD /* restricted keypad */
 #define FM_MENU (BUTTON_MENU | BUTTON_REPEAT)
 #define FM_RECORD_DBLPRE BUTTON_MENU
@@ -158,7 +193,7 @@ int radio_get(int setting);
 #if CONFIG_TUNER == S1A0903X01 /* FM recorder */
 #define radio_set samsung_set
 #define radio_get samsung_get
-#elif CONFIG_TUNER == TEA5767 /* Iriver */
+#elif CONFIG_TUNER == TEA5767 /* iriver, iaudio */
 #define radio_set philips_set
 #define radio_get philips_get
 #elif CONFIG_TUNER == (S1A0903X01 | TEA5767) /* OndioFM */
@@ -387,8 +422,15 @@ bool radio_screen(void)
     
 #else
     peak_meter_enabled = false;
+
+#ifdef HAVE_UDA1380
     uda1380_enable_recording(false);
     uda1380_set_monitor(true);
+#elif defined(HAVE_TLV320)
+    //tlv320_enable_recording(false);
+    tlv320_set_recvol(23, 23, AUDIO_GAIN_LINEIN); /* 0dB */
+    tlv320_set_monitor(true);
+#endif
 
     /* Set the input multiplexer to FM */
     pcm_rec_mux(1);
@@ -971,7 +1013,7 @@ bool radio_screen(void)
         while(1)
         {
             button = button_get(true);
-            if(button == (BUTTON_OFF | BUTTON_REL))
+            if(button == (FM_STOP | BUTTON_REL))
                 break;
         }
     }
@@ -1004,6 +1046,11 @@ bool radio_screen(void)
         radio_stop();
 #ifndef SIMULATOR /* SIMULATOR. Catch FMRADIO_OFF status for the sim. */ 
 #if CONFIG_CODEC == SWCODEC
+#ifdef HAVE_TLV320
+    //tlv320_disable_recording();
+    tlv320_set_monitor(false);
+#endif
+
         pcm_rec_mux(0); /* Line In */
         peak_meter_enabled = true;
 #endif
@@ -1320,7 +1367,7 @@ int handle_radio_presets_cb(int key, int m)
             key = BUTTON_NONE;
             break;
 #endif
-#if (CONFIG_KEYPAD != IRIVER_H100_PAD) && (CONFIG_KEYPAD != IRIVER_H300_PAD)
+#if (CONFIG_KEYPAD != IRIVER_H100_PAD) && (CONFIG_KEYPAD != IRIVER_H300_PAD) && (CONFIG_KEYPAD != IAUDIO_X5_PAD)
 #ifdef FM_PRESET
         case FM_PRESET:
             menu_draw(m);
@@ -1565,7 +1612,7 @@ int radio_menu_cb(int key, int m)
     (void)m;
     switch(key)
     {
-#if (CONFIG_KEYPAD != IRIVER_H100_PAD) && (CONFIG_KEYPAD != IRIVER_H300_PAD)
+#if (CONFIG_KEYPAD != IRIVER_H100_PAD) && (CONFIG_KEYPAD != IRIVER_H300_PAD) && (CONFIG_KEYPAD != IAUDIO_X5_PAD)
 #ifdef MENU_ENTER2
     case MENU_ENTER2:
 #endif
@@ -1574,7 +1621,7 @@ int radio_menu_cb(int key, int m)
         key = BUTTON_NONE; /* eat the downpress, next menu reacts on release */
         break;
 
-#if (CONFIG_KEYPAD != IRIVER_H100_PAD) && (CONFIG_KEYPAD != IRIVER_H300_PAD)
+#if (CONFIG_KEYPAD != IRIVER_H100_PAD) && (CONFIG_KEYPAD != IRIVER_H300_PAD) && (CONFIG_KEYPAD != IAUDIO_X5_PAD)
 #ifdef MENU_ENTER2
     case MENU_ENTER2 | BUTTON_REL:
 #endif
diff --git a/apps/recorder/recording.c b/apps/recorder/recording.c
index 09ec0f4..d4094a2 100644
--- a/apps/recorder/recording.c
+++ b/apps/recorder/recording.c
@@ -34,6 +34,9 @@
 #ifdef HAVE_UDA1380
 #include "uda1380.h"
 #endif
+#ifdef HAVE_TLV320
+#include "tlv320.h"
+#endif
 
 #include "mp3_playback.h"
 #include "mas.h"
@@ -109,6 +112,16 @@
 #define REC_RC_PREV BUTTON_RC_REW
 #define REC_RC_SETTINGS BUTTON_RC_MODE
 
+#elif (CONFIG_KEYPAD == IAUDIO_X5_PAD)
+#define REC_SHUTDOWN (BUTTON_POWER | BUTTON_REPEAT)
+#define REC_STOPEXIT BUTTON_POWER
+#define REC_RECPAUSE BUTTON_REC
+#define REC_INC BUTTON_RIGHT
+#define REC_DEC BUTTON_LEFT
+#define REC_NEXT BUTTON_DOWN
+#define REC_PREV BUTTON_UP
+#define REC_SETTINGS BUTTON_PLAY
+
 #elif CONFIG_KEYPAD == GMINI100_PAD
 #define REC_SHUTDOWN (BUTTON_OFF | BUTTON_REPEAT)
 #define REC_STOPEXIT BUTTON_OFF
@@ -362,6 +375,9 @@ bool recording_screen(void)
     audio_stop();
     /* Set peak meter to recording mode */
     peak_meter_playback(false);
+#ifdef IAUDIO_X5
+    pcm_rec_mux(0); /* select line-in (not radio) */
+#endif
 
 #if defined(HAVE_SPDIF_IN) && !defined(SIMULATOR)
     if (global_settings.rec_source == SOURCE_SPDIF)
diff --git a/firmware/drivers/fmradio_i2c.c b/firmware/drivers/fmradio_i2c.c
index 2475084..6f87e15 100644
--- a/firmware/drivers/fmradio_i2c.c
+++ b/firmware/drivers/fmradio_i2c.c
@@ -27,6 +27,22 @@
 
 #if (CONFIG_TUNER & TEA5767)
 #if (CONFIG_I2C == I2C_COLDFIRE)
+
+#ifdef IAUDIO_X5
+#include "i2c-coldfire.h"
+
+int fmradio_i2c_write(unsigned char address, const unsigned char* buf,
+                      int count)
+{
+    return i2c_write(I2C_IFACE_0, address, buf, count);
+}
+
+int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
+{
+    return i2c_read(I2C_IFACE_0, address, buf, count);
+}
+#else
+
 /* cute little functions, atomic read-modify-write */
 /* SDA is GPIO1,23 */
 
@@ -242,6 +258,7 @@ int fmradio_i2c_read(int address, unsigned char* buf, int count)
     fmradio_i2c_stop();
     return x;
 }
+#endif /* ! IAUDIO_X5 */
 #else
 /* cute little functions, atomic read-modify-write */
 /* SDA is PB4 */
diff --git a/firmware/drivers/i2c-coldfire.c b/firmware/drivers/i2c-coldfire.c
index 47aeba7..a628ce5 100644
--- a/firmware/drivers/i2c-coldfire.c
+++ b/firmware/drivers/i2c-coldfire.c
@@ -5,6 +5,7 @@
  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
  *                     \/            \/     \/    \/            \/
+ *
  * $Id$
  *
  * Copyright (C) 2005 by Andy Young
@@ -23,17 +24,16 @@
 #include "system.h"
 #include "i2c-coldfire.h"
 
-#define I2C_DEVICE_1    ((volatile unsigned char *)&MADR)
-#define I2C_DEVICE_2    ((volatile unsigned char *)&MADR2)
 
-/* Local functions definitions */
+/* --- Local functions - declarations --- */
+
+static int i2c_start(volatile unsigned char *iface);
+static int i2c_wait_for_slave(volatile unsigned char *iface);
+static int i2c_outb(volatile unsigned char *iface, unsigned char byte);
+inline void i2c_stop(volatile unsigned char *iface);
 
-static int i2c_write_byte(int device, unsigned char data);
-static int i2c_gen_start(int device);
-static void i2c_gen_stop(int device);
-static volatile unsigned char *i2c_get_addr(int device);
 
-/* Public functions */
+/* --- Public functions - implementation --- */
 
 void i2c_init(void)
 {
@@ -55,14 +55,15 @@ void i2c_init(void)
 #endif
     
     /* I2C Clock divisor = 160 => 124.1556 MHz / 2 / 160 = 388.08 kHz */
-    MFDR = 0x0d;
+    MFDR  = 0x0d;
     MFDR2 = 0x0d;
 
 #ifdef IAUDIO_X5
-    MBCR = IEN;  /* Enable interface */
+    MBCR  = IEN;  /* Enable interface */
+    MBCR2 = IEN; 
 #endif
 
-#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
+#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
     /* Audio Codec */
     MBDR = 0;    /* iRiver firmware does this */
     MBCR = IEN;  /* Enable interface */
@@ -72,109 +73,169 @@ void i2c_init(void)
 void i2c_close(void)
 {
     MBCR  = 0;
+    MBCR2 = 0;
 }
 
-/**
- * Writes bytes to the selected device.
+/*
+ * Writes bytes to a I2C device.
  *
- * Use device=1 for bus 1 at 0x40000280
- * Use device=2 for bus 2 at 0x80000440
- * 
- * Returns number of bytes successfully send or -1 if START failed
+ * Returns number of bytes successfully sent or a negative value on error.
  */
-int i2c_write(int device, unsigned char *buf, int count)
+int i2c_write(volatile unsigned char *iface, unsigned char addr, 
+              const unsigned char *buf, int count)
 {
-    int i;
-    int rc;
+    int i, rc;
 
-    rc = i2c_gen_start(device);
+    if ( ! count)
+        return 0;
+   
+    rc = i2c_start(iface);
     if (rc < 0)
+        return rc;
+    
+    rc = i2c_outb(iface, addr & 0xfe);
+    if (rc < 0)
+        return rc;
+    
+    for (i = 0; i < count; i++)
     {
-        logf("i2c: gen_start failed (d=%d)", device);
-        return rc*10 - 1;
-    }
-
-    for (i=0; i<count; i++)
-    {
-        rc = i2c_write_byte(device, buf[i]);
+        rc = i2c_outb(iface, *buf++);
         if (rc < 0)
-        {
-            logf("i2c: write failed at (d=%d,i=%d)", device, i);
-            return rc*10 - 2;
-        }
+            return rc;
     }
-
-    i2c_gen_stop(device);
-
+    i2c_stop(iface);
+    
     return count;
 }
 
-/* Write a byte to the interface, returns 0 on success, -1 otherwise. */
-int i2c_write_byte(int device, unsigned char data)
+/*
+ * Reads bytes from a I2C device.
+ *
+ * Returns number of bytes successfully received or a negative value on error.
+ */
+int i2c_read(volatile unsigned char *iface, unsigned char addr, 
+             unsigned char *buf, int count)
 {
-    volatile unsigned char *regs = i2c_get_addr(device);
+    int i, rc;
 
-    long count = 0;
+    if ( ! count)
+        return 0;
+   
+    rc = i2c_start(iface);
+    if (rc < 0)
+        return rc;
 
-    regs[O_MBDR] = data;                /* Write data byte */   
+    rc = i2c_outb(iface, addr | 1);
+    if (rc < 0)
+        return rc;
+
+    /* Switch to Rx mode */
+    iface[O_MBCR] &= ~MTX;
+    iface[O_MBCR] &= ~TXAK;
+ 
+    /* Dummy read */
+    rc = (int) iface[O_MBDR];
+  
+    for (i = 0; i < count; i++)
+    {
+        rc = i2c_wait_for_slave(iface);
+        if (rc < 0)
+            return rc;
 
-    /* Wait for bus busy */
-    while (!(regs[O_MBSR] & IBB) && count < MAX_LOOP)
-        count++;
+        if (i == count-2)
+            /* Don't ACK the next-to-last byte */
+            iface[O_MBCR] |= TXAK;
+    
+        if (i == count-1)
+            /* Generate STOP before reading last byte */
+            i2c_stop(iface); 
 
-    if (count >= MAX_LOOP)
-        return -1;
+        *buf++ = iface[O_MBDR];
+    }
+    return count;
+}
 
-    count = 0;
+/* --- Local functions - implementation --- */
 
-    /* Wait for interrupt flag */
-    while (!(regs[O_MBSR] & IFF) && count < MAX_LOOP)
-        count++;
+/* Begin I2C session on the given interface.
+ *
+ * Returns 0 on success, negative value on error.
+ */
+int i2c_start(volatile unsigned char *iface)
+{
+    /* Wait for bus to become free */
+    int j = MAX_LOOP;
+    while (--j && (iface[O_MBSR] & IBB))
+        ;
+    if (!j)
+    {
+        logf("i2c: bus is busy (iface=%08x)", iface);
+        return -1;
+    }
+ 
+    /* Generate START and prepare for write */
+    iface[O_MBCR] |= (MSTA | TXAK | MTX);
+  
+    return 0; 
+}
 
-    if (count >= MAX_LOOP)
+/* Wait for slave to act on given I2C interface.
+ *
+ * Returns 0 on success, negative value on error.
+ */
+int i2c_wait_for_slave(volatile unsigned char *iface)
+{
+    int j = MAX_LOOP;
+    while (--j && ! (iface[O_MBSR] & IFF))
+        ;
+    if (!j)
+    {
+        logf("i2c: IFF not set (iface=%08x)", iface);
+        i2c_stop(iface); 
         return -2;
-
-    regs[O_MBSR] &= ~IFF;       /* Clear interrupt flag  */
-
-    if (!(regs[O_MBSR] & ICF))  /* Check that transfer is complete */
-        return -3;
-
-    if (regs[O_MBSR] & RXAK)    /* Check that the byte has been ACKed */
-        return -4;
-
+    }
+  
+    /* Clear interrupt flag */
+    iface[O_MBSR] &= ~IFF;
+    
     return 0;
 }
 
-
-/* Returns 0 on success, -1 on failure */
-int i2c_gen_start(int device)
+/* Write the given byte to the given I2C interface.
+ *
+ * Returns 0 on success, negative value on error.
+ */
+int i2c_outb(volatile unsigned char *iface, unsigned char byte)
 {
-    volatile unsigned char *regs = i2c_get_addr(device);
-    long count = 0;
-
-    /* Wait for bus to become free */
-    while ((regs[O_MBSR] & IBB) && (count < MAX_LOOP))
-        count++;
-
-    if (count >= MAX_LOOP)
-        return -1;
+    int rc;
 
-    regs[O_MBCR] |= MSTA | MTX;         /* Generate START */
+    iface[O_MBDR] = byte;
 
+    rc = i2c_wait_for_slave(iface);
+    if (rc < 0)
+        return rc;
+    
+    /* Check that transfer is complete */
+    if ( !(iface[O_MBSR] & ICF))
+    {
+        logf("i2c: transfer error (iface=%08x)", iface);
+        i2c_stop(iface); 
+        return -3;
+    }
+    
+    /* Check that the byte has been ACKed */
+    if (iface[O_MBSR] & RXAK)
+    {
+        logf("i2c: no ACK (iface=%08x)", iface);
+        i2c_stop(iface); 
+        return -4;
+    }
+    
     return 0;
-}  
-
-void i2c_gen_stop(int device)
-{
-    volatile unsigned char *regs = i2c_get_addr(device);
-    regs[O_MBCR] &= ~MSTA;          /* Clear MSTA to generate STOP */
 }
 
-
-volatile unsigned char *i2c_get_addr(int device)
+/* End I2C session on the given interface. */
+inline void i2c_stop(volatile unsigned char *iface)
 {
-    if (device == 1)
-        return I2C_DEVICE_1;
-
-    return I2C_DEVICE_2;
+    iface[O_MBCR] &= ~MSTA;
 }
diff --git a/firmware/drivers/tlv320.c b/firmware/drivers/tlv320.c
index 8ef3291..39cd2a5 100644
--- a/firmware/drivers/tlv320.c
+++ b/firmware/drivers/tlv320.c
@@ -28,6 +28,7 @@
 #include "string.h"
 #include "file.h"
 #include "buffer.h"
+#include "audio.h"
 
 #include "i2c-coldfire.h"
 #include "tlv320.h"
@@ -46,14 +47,13 @@ unsigned tlv320_regs[0xf];
 
 void tlv320_write_reg(unsigned reg, unsigned value)
 {
-    unsigned char data[3];
+    unsigned char data[2];
 
-    data[0] = TLV320_ADDR;
     /* The register address is the high 7 bits and the data the low 9 bits */
-    data[1] = (reg << 1) | ((value >> 8) & 1);
-    data[2] = value & 0xff; 
+    data[0] = (reg << 1) | ((value >> 8) & 1);
+    data[1] = value & 0xff; 
 
-    if (i2c_write(1, data, 3) != 3)
+    if (i2c_write(I2C_IFACE_0, TLV320_ADDR, data, 2) != 2)
     {
         logf("tlv320 error reg=0x%x", reg);
         return;
@@ -73,15 +73,16 @@ void tlv320_init(void)
 
     /* Initialize all registers */
 
-    tlv320_write_reg(REG_PC, 0x00); /* All ON */
-    tlv320_set_linein_vol(0, 0);
+    tlv320_write_reg(REG_PC, PC_ADC|PC_MIC|PC_LINE);  /* All ON except ADC, MIC and LINE */
+    tlv320_set_recvol(0, 0, AUDIO_GAIN_MIC);
+    tlv320_set_recvol(0, 0, AUDIO_GAIN_LINEIN);
     tlv320_mute(true);
     tlv320_write_reg(REG_AAP, AAP_DAC|AAP_MICM);
     tlv320_write_reg(REG_DAP, 0x00);  /* No deemphasis */
     tlv320_write_reg(REG_DAIF, DAIF_IWL_16|DAIF_FOR_I2S);
     tlv320_set_headphone_vol(0, 0);
     tlv320_write_reg(REG_DIA, DIA_ACT);
-    tlv320_write_reg(REG_SRC, (8 << 2)); /* 44.1kHz */
+    tlv320_write_reg(REG_SRC, (1 << 5)); /* 44.1kHz */
 }
 
 /**
@@ -114,18 +115,30 @@ void tlv320_set_headphone_vol(int vol_l, int vol_r)
 }
 
 /**
- * Sets left and right linein volume  (31(max) to 0(muted))
+ * Set recording volume
+ *
+ * Line in   : 0 .. 31 => Volume -34.5 .. 12 dB
+ * Mic (left): 0 ..  1 => Volume   0   .. 20 dB
+ *
  */
-void tlv320_set_linein_vol(int vol_l, int vol_r)
+void tlv320_set_recvol(int left, int right, int type)
 {
-    unsigned value_l = tlv320_regs[REG_LLIV];
-    unsigned value_r = tlv320_regs[REG_RLIV];
-
-    value_l |= LLIV_LIV(vol_l);
-    value_r |= RLIV_RIV(vol_r);
-
-    tlv320_write_reg(REG_LLIV, value_l);
-    tlv320_write_reg(REG_RLIV, value_r);
+    if (type == AUDIO_GAIN_MIC)
+    {
+        unsigned value_aap = tlv320_regs[REG_AAP];
+        
+        if (left)
+            value_aap |= AAP_MICB;  /* Enable mic boost (20dB) */
+        else
+            value_aap &= ~AAP_MICB;
+
+        tlv320_write_reg(REG_AAP, value_aap);            
+        
+    } else if (type == AUDIO_GAIN_LINEIN)
+    {
+        tlv320_write_reg(REG_LLIV, LLIV_LIV(left));
+        tlv320_write_reg(REG_RLIV, RLIV_RIV(right));    
+    }
 }
 
 /**
@@ -148,10 +161,11 @@ void tlv320_mute(bool mute)
         value_r = RHV_RHV(tlv320.vol_r);
     }
 
-    tlv320_write_reg(REG_LHV, value_r);
+    tlv320_write_reg(REG_LHV, value_l);
     tlv320_write_reg(REG_RHV, value_r);
 }
 
+/* Nice shutdown of TLV320 codec */
 void tlv320_close()
 {
     tlv320_write_reg(REG_PC, 0xFF);  /* All OFF */
@@ -159,35 +173,66 @@ void tlv320_close()
 
 void tlv320_enable_recording(bool source_mic)
 {
-    unsigned value_pc = tlv320_regs[REG_PC];
-    unsigned value_aap = tlv320_regs[REG_AAP];
-
-    /* select source*/
+    unsigned value_daif = tlv320_regs[REG_DAIF];
+    unsigned value_aap, value_pc;
+    
     if (source_mic)
     {
-        value_aap &= ~AAP_INSEL;
-        value_pc |= PC_MIC;
+        /* select mic and enable mic boost (20 dB) */
+        value_aap = AAP_DAC | AAP_INSEL | AAP_MICB;   
+        value_pc = PC_LINE;                 /* power down line-in */
     }
     else
     {
-        value_aap |= AAP_INSEL;
-        value_pc |= PC_LINE;
+        value_aap = AAP_DAC | AAP_MICM;
+        value_pc = PC_MIC;                  /* power down mic */
     }
 
-    /* poweron adc */
-    value_pc |= PC_ADC;
+    tlv320_write_reg(REG_PC, value_pc);
+    sleep(HZ/8);
 
     tlv320_write_reg(REG_AAP, value_aap);
-    tlv320_write_reg(REG_PC, value_pc);
+    sleep(HZ/8);
+    
+    /* Enable MASTER mode (start sending I2S data to the CPU) */
+    value_daif |= DAIF_MS;                   
+    tlv320_write_reg(REG_DAIF, value_daif);
 }
-
+  
 void tlv320_disable_recording()
 {
-    unsigned value = tlv320_regs[REG_PC];
-
-    /* powerdown mic, linein and adc */
-    value &= ~(PC_MIC | PC_LINE | PC_ADC);
+    unsigned value_pc = tlv320_regs[REG_PC];
+    unsigned value_aap = tlv320_regs[REG_AAP];
+    unsigned value_daif = tlv320_regs[REG_DAIF];
+
+    value_daif &= ~DAIF_MS;                /* disable MASTER mode */
+    tlv320_write_reg(REG_DAIF, value_daif);
+    
+    value_aap |= AAP_MICM;                 /* mute mic */
+    tlv320_write_reg(REG_PC, value_aap);
+
+    value_pc |= (PC_MIC|PC_LINE|PC_ADC);   /* power down mic, line-in and adc */
+    tlv320_write_reg(REG_PC, value_pc);    
+    
+    sleep(HZ/8);
+}
 
-    /* powerdown mic, linein and adc */
-    tlv320_write_reg(REG_PC, value);
+void tlv320_set_monitor(bool enable)
+{
+  unsigned value_aap, value_pc;
+  if (enable)
+  {
+    value_aap = AAP_BYPASS | AAP_MICM;
+    value_pc = (PC_MIC|PC_DAC|PC_ADC);   /* power down mic, dac and adc */
+  }
+  else
+  {
+    value_aap = AAP_DAC | AAP_MICM;
+    value_pc = (PC_MIC|PC_LINE|PC_ADC);   /* power down mic, line-in and adc */
+  }
+  tlv320_write_reg(REG_AAP, value_aap);
+  tlv320_write_reg(REG_PC,  value_pc);
+
+  sleep(HZ/8);
 }
+
diff --git a/firmware/drivers/uda1380.c b/firmware/drivers/uda1380.c
index ef19dcf..241a117 100644
--- a/firmware/drivers/uda1380.c
+++ b/firmware/drivers/uda1380.c
@@ -76,14 +76,13 @@ unsigned short uda1380_defaults[2*NUM_DEFAULT_REGS] =
 /* Returns 0 if register was written or -1 if write failed */
 int uda1380_write_reg(unsigned char reg, unsigned short value)
 {
-    unsigned char data[4];
+    unsigned char data[3];
 
-    data[0] = UDA1380_ADDR;
-    data[1] = reg;
-    data[2] = value >> 8;
-    data[3] = value & 0xff;
+    data[0] = reg;
+    data[1] = value >> 8;
+    data[2] = value & 0xff;
 
-    if (i2c_write(1, data, 4) != 4)
+    if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 3) != 3)
     {
         DEBUGF("uda1380 error reg=0x%x", reg);
         return -1;
@@ -322,21 +321,20 @@ void uda1380_set_recvol(int left, int right, int type)
             {
                 /* for this order we can combine both registers,
                     making the glitch even smaller */
-                unsigned char data[6];
+                unsigned char data[5];
                 unsigned short value_dec;
                 unsigned short value_pga;
                 value_dec = DEC_VOLL(left) | DEC_VOLR(right);
                 value_pga = (uda1380_regs[REG_PGA] & ~PGA_GAIN_MASK)
                                 | PGA_GAINL(left_ag) | PGA_GAINR(right_ag);
 
-                data[0] = UDA1380_ADDR;
-                data[1] = REG_DEC_VOL;
-                data[2] = value_dec >> 8;
-                data[3] = value_dec & 0xff;
-                data[4] = value_pga >> 8;
-                data[5] = value_pga & 0xff;
+                data[0] = REG_DEC_VOL;
+                data[1] = value_dec >> 8;
+                data[2] = value_dec & 0xff;
+                data[3] = value_pga >> 8;
+                data[4] = value_pga & 0xff;
 
-                if (i2c_write(1, data, 6) != 6)
+                if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 5) != 5)
                 {
                     DEBUGF("uda1380 error reg=combi rec gain");
                 }
diff --git a/firmware/export/config-iaudiox5.h b/firmware/export/config-iaudiox5.h
index d224b3b..cd77dc3 100644
--- a/firmware/export/config-iaudiox5.h
+++ b/firmware/export/config-iaudiox5.h
@@ -6,7 +6,7 @@
 #define MODEL_NUMBER 10
 
 /* define this if you have recording possibility */
-/*#define HAVE_RECORDING 1*/
+#define HAVE_RECORDING 1
 
 /* define this if you have a bitmap LCD display */
 #define HAVE_LCD_BITMAP 1
@@ -53,6 +53,11 @@
 /* The number of bytes reserved for loadable plugins */
 #define PLUGIN_BUFFER_SIZE 0x80000
 
+/* FM Tuner */
+#define CONFIG_TUNER       TEA5767
+#define CONFIG_TUNER_XTAL  32768
+
+
 #define BATTERY_CAPACITY_DEFAULT 950 /* default battery capacity */
 
 #ifndef SIMULATOR
diff --git a/firmware/export/fmradio_i2c.h b/firmware/export/fmradio_i2c.h
index b7007a8..6483594 100644
--- a/firmware/export/fmradio_i2c.h
+++ b/firmware/export/fmradio_i2c.h
@@ -20,7 +20,7 @@
 #ifndef FMRADIO_I2C_H
 #define FMRADIO_I2C_H
 
-int fmradio_i2c_write(int address, const unsigned char* buf, int count);
-int fmradio_i2c_read(int address, unsigned char* buf, int count);
+int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count);
+int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count);
 
 #endif
diff --git a/firmware/export/i2c-coldfire.h b/firmware/export/i2c-coldfire.h
index d4a5781..544a316 100644
--- a/firmware/export/i2c-coldfire.h
+++ b/firmware/export/i2c-coldfire.h
@@ -26,10 +26,18 @@
 #ifndef _I2C_COLDFIRE_H
 #define _I2C_COLDFIRE_H
 
+#include "cpu.h"
+
 void i2c_init(void);
-int i2c_write(int device, unsigned char *buf, int count);
+int i2c_read (volatile unsigned char *iface, unsigned char addr, 
+              unsigned char *buf, int count);
+int i2c_write(volatile unsigned char *iface, unsigned char addr, 
+              const unsigned char *buf, int count);
 void i2c_close(void);
+void i2c_adjust_prescale(int multiplier);
 
+#define I2C_IFACE_0  ((volatile unsigned char *)&MADR)
+#define I2C_IFACE_1  ((volatile unsigned char *)&MADR2)
 
 #define MAX_LOOP    0x100     /* TODO: select a better value */
 
diff --git a/firmware/export/sound.h b/firmware/export/sound.h
index a49cb99..33175e4 100644
--- a/firmware/export/sound.h
+++ b/firmware/export/sound.h
@@ -36,7 +36,7 @@ enum {
     SOUND_MDB_ENABLE,
     SOUND_SUPERBASS,
 #endif
-#if CONFIG_CODEC == MAS3587F || defined(HAVE_UDA1380)
+#if CONFIG_CODEC == MAS3587F || defined(HAVE_UDA1380) || defined(HAVE_TLV320)
     SOUND_LEFT_GAIN,
     SOUND_RIGHT_GAIN,
     SOUND_MIC_GAIN,
diff --git a/firmware/export/tlv320.h b/firmware/export/tlv320.h
index 93a7978..45ebfee 100644
--- a/firmware/export/tlv320.h
+++ b/firmware/export/tlv320.h
@@ -26,11 +26,12 @@ extern void tlv320_init(void);
 extern void tlv320_reset(void);
 extern void tlv320_enable_output(bool enable);
 extern void tlv320_set_headphone_vol(int vol_l, int vol_r);
-extern void tlv320_set_linein_vol(int vol_l, int vol_r);
+extern void tlv320_set_recvol(int left, int right, int type);
 extern void tlv320_mute(bool mute);
 extern void tlv320_close(void);
 extern void tlv320_enable_recording(bool source_mic);
 extern void tlv320_disable_recording(void);
+extern void tlv320_set_monitor(bool enable);
 
 #define HEADPHONE_MUTE 0x30 /* 0110000 = -73db */
 
diff --git a/firmware/pcm_record.c b/firmware/pcm_record.c
index 2d9c65a..fee2bbd 100644
--- a/firmware/pcm_record.c
+++ b/firmware/pcm_record.c
@@ -31,7 +31,12 @@
 #include "cpu.h"
 #include "i2c.h"
 #include "power.h"
+#ifdef HAVE_UDA1380
 #include "uda1380.h"
+#endif
+#ifdef HAVE_TLV320
+#include "tlv320.h"
+#endif
 #include "system.h"
 #include "usb.h"
 
@@ -51,14 +56,14 @@ extern int boost_counter; /* used for boost check */
 
 /***************************************************************************/
 
-static volatile bool is_recording;              /* We are recording */
-static volatile bool is_stopping;               /* Are we going to stop */
-static volatile bool is_paused;                 /* We have paused   */
-static volatile bool is_error;                  /* An error has occured */
+static bool is_recording;              /* We are recording */
+static bool is_stopping;               /* Are we going to stop */
+static bool is_paused;                 /* We have paused   */
+static bool is_error;                  /* An error has occured */
 
-static volatile unsigned long num_rec_bytes;    /* Num bytes recorded */
-static volatile unsigned long num_file_bytes;   /* Num bytes written to current file */
-static volatile int error_count;                /* Number of DMA errors */
+static unsigned long num_rec_bytes;    /* Num bytes recorded */
+static unsigned long num_file_bytes;   /* Num bytes written to current file */
+static int error_count;                /* Number of DMA errors */
 
 static long record_start_time;                  /* Value of current_tick when recording was started */
 static long pause_start_time;                   /* Value of current_tick when pause was started */
@@ -69,7 +74,7 @@ static int rec_source;           /* Current recording source */
 static int wav_file;
 static char recording_filename[MAX_PATH];
 
-static volatile bool init_done, close_done, record_done, stop_done, pause_done, resume_done, new_file_done;
+static bool init_done, close_done, record_done, stop_done, pause_done, resume_done, new_file_done;
 
 static short peak_left, peak_right;
 
@@ -90,16 +95,23 @@ static unsigned int rec_buffer_offset;
 static unsigned char *rec_buffer;  /* Circular recording buffer */
 static int num_chunks;             /* Number of chunks available in rec_buffer */
 
-
+#ifdef IAUDIO_X5
+#define SET_IIS_PLAY(x) IIS1CONFIG = (x);
+#define SET_IIS_REC(x)  IIS1CONFIG = (x);
+#else
+#define SET_IIS_PLAY(x) IIS2CONFIG = (x);
+#define SET_IIS_REC(x)  IIS1CONFIG = (x);
+#endif
+  
 /* 
  Overrun occures when DMA needs to write a new chunk and write_index == read_index 
  Solution to this is to optimize pcmrec_callback, use cpu_boost or save to disk
  more often.
 */
 
-static volatile int write_index;       /* Current chunk the DMA is writing to */
-static volatile int read_index;        /* Oldest chunk that is not written to disk */
-static volatile int read2_index;       /* Latest chunk that has not been converted to little endian */
+static int write_index;                /* Current chunk the DMA is writing to */
+static int read_index;                 /* Oldest chunk that is not written to disk */
+static int read2_index;                /* Latest chunk that has not been converted to little endian */
 static long pre_record_ticks;          /* pre-record time expressed in ticks */
 static int pre_record_chunks;          /* pre-record time expressed in chunks */
 
@@ -137,7 +149,7 @@ void pcm_rec_init(void)
 
 
 /* Initializes recording:
- * - Set up the UDA1380 for recording 
+ * - Set up the UDA1380/TLV320 for recording 
  * - Prepare for DMA transfers
  */
  
@@ -292,14 +304,26 @@ void audio_set_recording_options(int frequency, int quality,
         case 0: 
             /* Generate int. when 6 samples in FIFO, PDIR2 src = IIS1recv */
             DATAINCONTROL = 0xc020;
+            
+#ifdef HAVE_UDA1380            
             uda1380_enable_recording(true); 
+#endif
+#ifdef HAVE_TLV320
+            tlv320_enable_recording(true);
+#endif            
         break;
 
         /* line-in */
         case 1: 
             /* Generate int. when 6 samples in FIFO, PDIR2 src = IIS1recv */
             DATAINCONTROL = 0xc020;
+            
+#ifdef HAVE_UDA1380            
             uda1380_enable_recording(false); 
+#endif
+#ifdef HAVE_TLV320
+            tlv320_enable_recording(false);
+#endif            
         break;
 #ifdef HAVE_SPDIF_IN        
         /* SPDIF */
@@ -322,7 +346,8 @@ void audio_set_recording_options(int frequency, int quality,
 
     /* Monitoring: route the signals through the coldfire audio interface. */
 
-    IIS2CONFIG = 0x800; /* Reset before reprogram */
+    SET_IIS_PLAY(0x800); /* Reset before reprogram */
+    
 #ifdef HAVE_SPDIF_IN
     if (source == 2) {
         /* SCLK2 = Audioclk/4 (can't use EBUin clock), TXSRC = EBU1rcv, 64 bclk/wclk */
@@ -340,21 +365,27 @@ void audio_set_recording_options(int frequency, int quality,
     }
 #else
     /* SCLK2 follow IIS1 (UDA clock), TXSRC = IIS1rcv, 64 bclk/wclk */
-    IIS2CONFIG = (8 << 12) | (4 << 8) | (4 << 2);
+    SET_IIS_PLAY( (8 << 12) | (4 << 8) | (4 << 2) );
 #endif
 }
 
 
 /**
  * Note that microphone is mono, only left value is used 
- * See uda1380_set_recvol() for exact ranges.
+ * See {uda1380,tlv320}_set_recvol() for exact ranges.
  *
  * @param type   0=line-in (radio), 1=mic
  * 
  */
 void audio_set_recording_gain(int left, int right, int type)
 {
+    //logf("rcmrec: t=%d l=%d r=%d", type, left, right);
+#ifdef HAVE_UDA1380            
     uda1380_set_recvol(left, right, type);
+#endif
+#ifdef HAVE_TLV320
+    tlv320_set_recvol(left, right, type);
+#endif            
 }
 
 
@@ -987,7 +1018,7 @@ static void pcmrec_init(void)
 
     logf("num_chunks: %d", num_chunks);
 
-    IIS1CONFIG = 0x800;             /* Stop any playback                              */
+    SET_IIS_PLAY(0x800);            /* Stop any playback                              */
     AUDIOGLOB |= 0x180;             /* IIS1 fifo auto sync = on, PDIR2 auto sync = on */
     DATAINCONTROL = 0xc000;         /* Generate Interrupt when 6 samples in fifo      */
 
@@ -1007,7 +1038,12 @@ static void pcmrec_init(void)
 
 static void pcmrec_close(void)
 {
+#ifdef HAVE_UDA1380            
     uda1380_disable_recording();
+#endif
+#ifdef HAVE_TLV320
+    tlv320_disable_recording();
+#endif            
 
 #ifdef HAVE_SPDIF_POWER
     spdif_power_enable(spdif_power_setting);
@@ -1091,7 +1127,7 @@ void pcm_rec_mux(int source)
         
     or_l(0x40000000, &GPIO_ENABLE);
     or_l(0x40000000, &GPIO_FUNCTION);
-#else
+#elif defined(IRIVER_H100_SERIES)
     if(source == 0)
         and_l(~0x00800000, &GPIO_OUT);  /* Line In */
     else
@@ -1099,5 +1135,16 @@ void pcm_rec_mux(int source)
         
     or_l(0x00800000, &GPIO_ENABLE);
     or_l(0x00800000, &GPIO_FUNCTION);
+    
+#elif defined(IAUDIO_X5)
+    if(source == 0)
+        or_l((1<<29), &GPIO_OUT);      /* Line In */
+    else
+        and_l(~(1<<29), &GPIO_OUT);    /* FM radio */
+        
+    or_l((1<<29), &GPIO_ENABLE);
+    or_l((1<<29), &GPIO_FUNCTION);
+
+    /* iAudio x5 */
 #endif
 }
diff --git a/firmware/sound.c b/firmware/sound.c
index 057cfc0..5e4cd5d 100644
--- a/firmware/sound.c
+++ b/firmware/sound.c
@@ -111,7 +111,11 @@ static const struct sound_settings_info sound_settings_table[] = {
     [SOUND_LEFT_GAIN]     = {"dB", 1,  1,-128,  96,   0, NULL},
     [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,-128,  96,   0, NULL},
     [SOUND_MIC_GAIN]      = {"dB", 1,  1,-128, 108,  16, NULL},
-#endif
+#elif defined(HAVE_TLV320)
+    [SOUND_LEFT_GAIN]     = {"dB", 1,  1,   0,  31,  23, NULL},
+    [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,   0,  31,  23, NULL},
+    [SOUND_MIC_GAIN]      = {"dB", 1,  1,   0,   1,   1, NULL},
+ #endif
 };
 
 const char *sound_unit(int setting)
@@ -901,6 +905,25 @@ int sound_val2phys(int setting, int value)
             break;
     }
     return result;
+#elif defined(HAVE_TLV320)
+    int result = 0;
+    
+    switch(setting)
+    {
+        case SOUND_LEFT_GAIN:
+        case SOUND_RIGHT_GAIN:
+            result = (value - 23) * 15;    /* (x - 23)/1.5 *10 */
+            break;
+
+        case SOUND_MIC_GAIN:
+            result = value * 200;          /* 0 or 20 dB */
+            break;
+
+       default:
+            result = value;
+            break;
+    }
+    return result;
 #else
     (void)setting;
     return value;
diff --git a/firmware/target/coldfire/iaudio/x5/power-x5.c b/firmware/target/coldfire/iaudio/x5/power-x5.c
index 14236cb..4199993 100644
--- a/firmware/target/coldfire/iaudio/x5/power-x5.c
+++ b/firmware/target/coldfire/iaudio/x5/power-x5.c
@@ -64,6 +64,20 @@ void power_off(void)
         yield();
 }
 
+static bool powered = false;
+
+bool radio_powered()
+{
+    return powered;
+}
+
+bool radio_power(bool status)
+{
+    bool old_status = powered;
+    powered = status;
+    return old_status;
+}
+
 #else
 
 bool charger_inserted(void)