rk27xx: implement radio support

Change-Id: I59d3905e9b2a3df8aa235e424c7a6e0eff6d73e9
Reviewed-on: http://gerrit.rockbox.org/427
Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>
Tested-by: Marcin Bukat <marcin.bukat@gmail.com>

7 files changed, 136 insertions, 4 deletions

diff --git a/apps/keymaps/keymap-rk27xx-generic.c b/apps/keymaps/keymap-rk27xx-generic.c
index a709df6156..7a4545b246 100644
--- a/apps/keymaps/keymap-rk27xx-generic.c
+++ b/apps/keymaps/keymap-rk27xx-generic.c
@@ -66,7 +66,21 @@ static const struct button_mapping button_context_wps[]  = {
     LAST_ITEM_IN_LIST
 }; /* button_context_wps */
 
+#ifdef CONFIG_TUNER
+static const struct button_mapping button_context_radio[]  = {
+    { ACTION_FM_MENU,                  BUTTON_M|BUTTON_REPEAT,             BUTTON_NONE },
+    { ACTION_FM_PLAY,                  BUTTON_PLAY|BUTTON_REL,             BUTTON_PLAY },
+    { ACTION_FM_STOP,                  BUTTON_PLAY|BUTTON_REPEAT,          BUTTON_NONE },
+    { ACTION_SETTINGS_INC,             BUTTON_VOL|BUTTON_FF,               BUTTON_NONE },
+    { ACTION_SETTINGS_INCREPEAT,       BUTTON_VOL|BUTTON_FF|BUTTON_REPEAT, BUTTON_NONE },
+    { ACTION_SETTINGS_DEC,             BUTTON_VOL|BUTTON_REW,              BUTTON_NONE },
+    { ACTION_SETTINGS_DECREPEAT,       BUTTON_VOL|BUTTON_REW|BUTTON_REPEAT,BUTTON_NONE },
 
+    { ACTION_FM_EXIT,                  BUTTON_M|BUTTON_REL,                BUTTON_M },
+
+    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_SETTINGS)
+}; /* button_context_radio */
+#endif
 
 /* get_context_mapping returns a pointer to one of the above defined arrays depending on the context */
 const struct button_mapping* get_context_mapping(int context)
@@ -77,7 +91,10 @@ const struct button_mapping* get_context_mapping(int context)
             return button_context_standard;
         case CONTEXT_WPS:
             return button_context_wps;
-            
+#ifdef CONFIG_TUNER
+        case CONTEXT_FM:
+             return button_context_radio;
+#endif
         case CONTEXT_TREE:
         case CONTEXT_LIST:
         case CONTEXT_MAINMENU:
diff --git a/firmware/SOURCES b/firmware/SOURCES
index 8ba45af533..92b2f5f87b 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -1509,6 +1509,7 @@ target/arm/s5l8702/ipod6g/piezo-ipod6g.c
 #endif
 
 #if CONFIG_CPU == RK27XX
+target/arm/rk27xx/audio-rk27xx.c
 target/arm/rk27xx/kernel-rk27xx.c
 target/arm/rk27xx/system-rk27xx.c
 target/arm/rk27xx/backlight-rk27xx.c
@@ -1532,6 +1533,7 @@ target/arm/rk27xx/rk27generic/button-rk27generic.c
 target/arm/rk27xx/rk27generic/powermgmt-rk27generic.c
 target/arm/rk27xx/rk27generic/power-rk27generic.c
 target/arm/rk27xx/rk27generic/lcd-rk27generic.c
+target/arm/rk27xx/rk27generic/fmradio-i2c-rk27generic.c
 #endif
 
 #if CONFIG_CPU == JZ4732
diff --git a/firmware/drivers/audio/rk27xx_codec.c b/firmware/drivers/audio/rk27xx_codec.c
index cfb98a9227..462565e8aa 100644
--- a/firmware/drivers/audio/rk27xx_codec.c
+++ b/firmware/drivers/audio/rk27xx_codec.c
@@ -55,12 +55,14 @@ static int codec_read(uint8_t reg, uint8_t *val)
 }
 #endif
 
+static uint8_t cr1_sel = DACSEL;
+
 static void audiohw_mute(bool mute)
 {
     if (mute)
-        codec_write(CR1, SB_MICBIAS|DAC_MUTE|DACSEL);
+        codec_write(CR1, SB_MICBIAS|DAC_MUTE|cr1_sel);
     else
-        codec_write(CR1, SB_MICBIAS|DACSEL);
+        codec_write(CR1, SB_MICBIAS|cr1_sel);
 }
 
 /* public functions */
@@ -109,7 +111,7 @@ void audiohw_postinit(void)
     udelay(1000);
 
     /* power up output stage */
-    codec_write(PMR1, SB_ADC|SB_IN1|SB_IN2|SB_MIC|SB_IND);
+    codec_write(PMR1, SB_ADC|SB_MIC|SB_IND);
 
     sleep(HZ/10);
     GPIO_PDDR |= (1<<7); /* PD7 high */
@@ -159,5 +161,15 @@ void audiohw_set_master_vol(int vol_l, int vol_r)
 
         codec_write(CGR9, vol_r);
         codec_write(CGR8, vol_l);
+        codec_write(CGR5, vol_r);
+        codec_write(CGR4, vol_l);
+        codec_write(CGR3, vol_r);
+        codec_write(CGR2, vol_l);
     }
 }
+
+void audiohw_set_monitor(bool enable)
+{
+    cr1_sel = enable ? BYPASS1|BYPASS2 : DACSEL;
+    codec_write(CR1, cr1_sel|SB_MICBIAS);
+}
diff --git a/firmware/export/config/rk27generic.h b/firmware/export/config/rk27generic.h
index 10fbd451e4..9a4326358f 100644
--- a/firmware/export/config/rk27generic.h
+++ b/firmware/export/config/rk27generic.h
@@ -13,6 +13,7 @@
 /* Define bitmask of input sources - recordable bitmask can be defined
    explicitly if different */
 /* #define INPUT_SRC_CAPS (SRC_CAP_MIC | SRC_CAP_FM) */
+#define INPUT_SRC_CAPS  SRC_CAP_FMRADIO
 
 /* define the bitmask of hardware sample rates */
 #define HW_SAMPR_CAPS   (SAMPR_CAP_44 | SAMPR_CAP_22 | SAMPR_CAP_11 \
@@ -106,6 +107,9 @@
 /* Define the type of audio codec */
 #define HAVE_RK27XX_CODEC
 
+#define CONFIG_TUNER TEA5767
+#define CONFIG_TUNER_XTAL  32768
+
 /* #define HAVE_PCM_DMA_ADDRESS */
 
 /* Define this for LCD backlight available */
diff --git a/firmware/target/arm/rk27xx/audio-rk27xx.c b/firmware/target/arm/rk27xx/audio-rk27xx.c
new file mode 100644
index 0000000000..76be4a907a
--- /dev/null
+++ b/firmware/target/arm/rk27xx/audio-rk27xx.c
@@ -0,0 +1,52 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2013 by Amaury Pouly
+ *
+ * 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"
+#include "system.h"
+#include "audiohw.h"
+#include "audio.h"
+
+static int input_source = AUDIO_SRC_PLAYBACK;
+static unsigned input_flags = 0;
+static int output_source = AUDIO_SRC_PLAYBACK;
+
+static void select_audio_path(void)
+{
+    if(input_source == AUDIO_SRC_PLAYBACK)
+        audiohw_set_monitor(false);
+    else
+        audiohw_set_monitor(true);
+}
+
+void audio_input_mux(int source, unsigned flags)
+{
+    (void) source;
+    (void) flags;
+    input_source = source;
+    input_flags = flags;
+    select_audio_path();
+}
+
+void audio_set_output_source(int source)
+{
+    (void) source;
+    output_source = source;
+    select_audio_path();
+}
diff --git a/firmware/target/arm/rk27xx/rk27generic/fmradio-i2c-rk27generic.c b/firmware/target/arm/rk27xx/rk27generic/fmradio-i2c-rk27generic.c
new file mode 100644
index 0000000000..4ab171cd5a
--- /dev/null
+++ b/firmware/target/arm/rk27xx/rk27generic/fmradio-i2c-rk27generic.c
@@ -0,0 +1,39 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2013 by Amaury Pouly
+ *
+ * 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"
+#include "system.h"
+#include "fmradio_i2c.h"
+#include "i2c-rk27xx.h"
+
+void fmradio_i2c_init(void)
+{
+}
+
+int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)
+{
+    return i2c_write(address, -1, count, buf);
+}
+
+int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
+{
+    return i2c_read(address, -1, count, buf);
+}
diff --git a/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c b/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c
index 68594d0f0e..d3feb41597 100644
--- a/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c
+++ b/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c
@@ -38,6 +38,12 @@ void power_init(void)
     GPIO_PCCON |= (1<<0);
 }
 
+bool tuner_power(bool status)
+{
+    (void) status;
+    return true;
+}
+
 unsigned int power_input_status(void)
 {
     return (usb_detect() == USB_INSERTED) ? POWER_INPUT_MAIN_CHARGER : POWER_INPUT_NONE;