Introduce HiFi E.T. MA8/MA8C ports.

HiFi E.T. MA8 is almost the same as MA9 except
another DAC(pcm1792 in ma8, df1704 in ma9).

MA8 has ILI9342 lcd, MA8C has ILI9342C lcd.

Change-Id: If2ac04f5a3382590b2a392c46286559f54b2ed6a

10 files changed, 596 insertions, 4 deletions

diff --git a/firmware/SOURCES b/firmware/SOURCES
index d8b2795f59..fb78e8924c 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -411,6 +411,8 @@ drivers/audio/aic3x.c
 drivers/audio/dummy_codec.c
 #elif defined (HAVE_DF1704_CODEC)
 drivers/audio/df1704.c
+#elif defined (HAVE_PCM1792_CODEC)
+drivers/audio/pcm1792.c
 #endif /* defined(HAVE_*) */
 #else /* PLATFORM_HOSTED */
 #if defined(SAMSUNG_YPR0) && defined(HAVE_AS3514)
@@ -1745,7 +1747,7 @@ target/arm/rk27xx/hm801/powermgmt-hm801.c
 target/arm/rk27xx/hm801/power-hm801.c
 #endif
 
-#if defined(MA9) || defined(MA9C)
+#if defined(MA9) || defined(MA9C) || defined(MA8) || defined(MA8C)
 target/arm/rk27xx/ma/button-ma.c
 target/arm/rk27xx/ma/powermgmt-ma.c
 target/arm/rk27xx/ma/power-ma.c
diff --git a/firmware/drivers/audio/pcm1792.c b/firmware/drivers/audio/pcm1792.c
new file mode 100644
index 0000000000..67237a920a
--- /dev/null
+++ b/firmware/drivers/audio/pcm1792.c
@@ -0,0 +1,133 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2013 Andrew Ryabinin
+ *
+ * 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 "system.h"
+#include "pcm1792.h"
+#include "config.h"
+#include "audio.h"
+#include "audiohw.h"
+
+/* pcm1792 registers initial values */
+#define REG18_INIT_VALUE (PCM1792_ATLD_OFF|PCM1792_FMT_16_I2S| \
+                          PCM1792_DMF_DISABLE|PCM1792_DME_OFF)
+
+#define REG19_INIT_VALUE (PCM1792_REV_ON|PCM1792_ATS_DIV1| \
+                          PCM1792_OPE_ON|PCM1792_DFMS_MONO| \
+                          PCM1792_FLT_SHARP|PCM1792_INZD_OFF)
+
+#define REG20_INIT_VALUE (PCM1792_SRST_NORMAL|PCM1792_DSD_OFF|\
+                          PCM1792_DFTH_ENABLE|PCM1792_STEREO|\
+                          PCM1792_OS_64)
+
+#define REG21_INIT_VALUE (PCM1792_DZ_DISABLE|PCM1792_PCMZ_ON)
+
+
+static void pcm1792_write_reg(const int reg, const unsigned int value)
+{
+    int i;
+
+    pcm1792_set_ml_dir(0);
+    pcm1792_set_md(1);
+    pcm1792_set_mc(0);
+    pcm1792_set_ml(0);
+
+    for (i = (1<<15); i; i >>= 1) {
+        udelay(40);
+        pcm1792_set_mc(0);
+
+        if ((reg|value) & i) {
+            pcm1792_set_md(1);
+        } else {
+            pcm1792_set_md(0);
+        }
+
+        udelay(40);
+        pcm1792_set_mc(1);
+    }
+
+    udelay(40);
+    pcm1792_set_ml(1);
+    pcm1792_set_mc(0);
+    udelay(130);
+    pcm1792_set_md(1);
+}
+
+static int vol_tenthdb2hw(const int tdb)
+{
+    if (tdb < PCM1792_VOLUME_MIN) {
+        return 0;
+    } else if (tdb > PCM1792_VOLUME_MAX) {
+        return 0xff;
+    } else {
+        return (tdb/5+0xff);
+    }
+}
+
+
+void audiohw_init(void)
+{
+	pcm1792_write_reg(PCM1792_REG(18), REG18_INIT_VALUE);
+	pcm1792_write_reg(PCM1792_REG(19), REG19_INIT_VALUE);
+	pcm1792_write_reg(PCM1792_REG(20), REG20_INIT_VALUE);
+	pcm1792_write_reg(PCM1792_REG(21), REG21_INIT_VALUE);
+
+    /* Left & Right volumes */
+	pcm1792_write_reg(PCM1792_REG(16), 0xff);
+	pcm1792_write_reg(PCM1792_REG(17), 0xff);
+}
+
+void audiohw_mute(void)
+{
+	pcm1792_write_reg(PCM1792_REG(18), REG18_INIT_VALUE|PCM1792_MUTE_ON);
+}
+
+void audiohw_unmute(void)
+{
+	pcm1792_write_reg(PCM1792_REG(18), REG18_INIT_VALUE);
+}
+
+void audiohw_preinit(void)
+{
+}
+
+void audiohw_set_frequency(int fsel)
+{
+    (void)fsel;
+}
+
+void audiohw_set_volume(int vol_l, int vol_r)
+{
+    pcm1792_write_reg(PCM1792_REG(16), vol_tenthdb2hw(vol_l));
+    pcm1792_write_reg(PCM1792_REG(17), vol_tenthdb2hw(vol_r));
+}
+
+void audiohw_set_filter_roll_off(int value)
+{
+    if (value == 0) {
+        pcm1792_write_reg(PCM1792_REG(19),
+                          REG19_INIT_VALUE
+                          |PCM1792_FLT_SHARP);
+    } else {
+        pcm1792_write_reg(PCM1792_REG(19),
+                          REG19_INIT_VALUE
+                          |PCM1792_FLT_SLOW);
+    }
+}
diff --git a/firmware/export/audiohw.h b/firmware/export/audiohw.h
index 1cabf6f782..7c5424a29d 100644
--- a/firmware/export/audiohw.h
+++ b/firmware/export/audiohw.h
@@ -109,6 +109,8 @@ struct sound_settings_info
 #include "dummy_codec.h"
 #elif defined(HAVE_DF1704_CODEC)
 #include "df1704.h"
+#elif defined(HAVE_PCM1792_CODEC)
+#include "pcm1792.h"
 #elif (CONFIG_PLATFORM & (PLATFORM_ANDROID | PLATFORM_MAEMO\
        | PLATFORM_PANDORA | PLATFORM_SDL))
 #include "hosted_codec.h"
diff --git a/firmware/export/config.h b/firmware/export/config.h
index 9c6f1f73c5..ffe34fb81b 100644
--- a/firmware/export/config.h
+++ b/firmware/export/config.h
@@ -535,6 +535,10 @@ Lyre prototype 1 */
 #include "config/hifietma9.h"
 #elif defined(MA9C)
 #include "config/hifietma9c.h"
+#elif defined(MA8)
+#include "config/hifietma8.h"
+#elif defined(MA8C)
+#include "config/hifietma8c.h"
 #elif defined(SONY_NWZE370)
 #include "config/sonynwze370.h"
 #elif defined(SONY_NWZE360)
diff --git a/firmware/export/config/hifietma8.h b/firmware/export/config/hifietma8.h
new file mode 100644
index 0000000000..7d36882832
--- /dev/null
+++ b/firmware/export/config/hifietma8.h
@@ -0,0 +1,153 @@
+/*
+ * This config file is for HiFi E.T. MA8 reference design
+ */
+
+/* For Rolo and boot loader */
+#define MODEL_NUMBER 85
+
+#define MODEL_NAME   "HiFi E.T. MA8"
+
+/* define the bitmask of hardware sample rates */
+#define HW_SAMPR_CAPS   (SAMPR_CAP_96 | SAMPR_CAP_48 | SAMPR_CAP_44 | \
+                         SAMPR_CAP_32 | SAMPR_CAP_24 | SAMPR_CAP_22 | \
+                         SAMPR_CAP_16 | SAMPR_CAP_12 | SAMPR_CAP_11 | SAMPR_CAP_8)
+
+#define HAVE_PCM1792_CODEC
+
+#define CODEC_SLAVE
+/* define this if you have a bitmap LCD display */
+#define HAVE_LCD_BITMAP
+
+/* define this if you can flip your LCD */
+/* #define HAVE_LCD_FLIP */
+
+/* define this if you have a colour LCD */
+#define HAVE_LCD_COLOR
+
+/* define this if you want album art for this target */
+#define HAVE_ALBUMART
+
+/* define this to enable bitmap scaling */
+#define HAVE_BMP_SCALING
+
+/* define this to enable JPEG decoding */
+#define HAVE_JPEG
+
+/* define this if you can invert the colours on your LCD */
+/* #define HAVE_LCD_INVERT */
+
+/* define this if you have access to the quickscreen */
+#define HAVE_QUICKSCREEN
+
+/* define this if you would like tagcache to build on this target */
+#define HAVE_TAGCACHE
+
+/* define this if you have a flash memory storage */
+#define HAVE_FLASH_STORAGE
+
+#define CONFIG_STORAGE (STORAGE_SD | STORAGE_NAND)
+
+#define CONFIG_NAND NAND_RK27XX
+#define HAVE_SW_TONE_CONTROLS
+
+/* commented for now */
+/* #define HAVE_HOTSWAP */
+
+#define NUM_DRIVES 2
+#define SECTOR_SIZE 512
+
+/* for small(ish) SD cards */
+#define HAVE_FAT16SUPPORT
+
+/* LCD dimensions */
+#define LCD_WIDTH  320
+#define LCD_HEIGHT 240
+#define LCD_DEPTH  16   /* pseudo 262.144 colors */
+#define LCD_PIXELFORMAT RGB565 /* rgb565 */
+
+/* Define this if your LCD can be enabled/disabled */
+#define HAVE_LCD_ENABLE
+
+#define CONFIG_KEYPAD MA_PAD
+
+/* Define this to enable morse code input */
+#define HAVE_MORSE_INPUT
+
+/* Define this if you do software codec */
+#define CONFIG_CODEC SWCODEC
+
+#define CONFIG_LCD LCD_ILI9342
+
+/* Define this for LCD backlight available */
+#define HAVE_BACKLIGHT
+#define HAVE_BACKLIGHT_BRIGHTNESS
+#define MIN_BRIGHTNESS_SETTING      0
+#define MAX_BRIGHTNESS_SETTING      31
+#define DEFAULT_BRIGHTNESS_SETTING   31
+#define CONFIG_BACKLIGHT_FADING BACKLIGHT_FADING_SW_HW_REG
+
+/* Define this if you have a software controlled poweroff */
+#define HAVE_SW_POWEROFF
+
+/* The number of bytes reserved for loadable codecs */
+#define CODEC_SIZE 0x100000
+
+/* The number of bytes reserved for loadable plugins */
+#define PLUGIN_BUFFER_SIZE 0x80000
+
+/* TODO: Figure out real values */
+#define BATTERY_CAPACITY_DEFAULT 600 /* default battery capacity */
+#define BATTERY_CAPACITY_MIN     300 /* min. capacity selectable */
+#define BATTERY_CAPACITY_MAX     600 /* max. capacity selectable */
+#define BATTERY_CAPACITY_INC      10 /* capacity increment */
+#define BATTERY_TYPES_COUNT        1 /* only one type */
+
+#define CONFIG_BATTERY_MEASURE VOLTAGE_MEASURE
+
+/* Hardware controlled charging with monitoring */
+#define CONFIG_CHARGING CHARGING_MONITOR
+
+/* USB On-the-go */
+#define CONFIG_USBOTG USBOTG_RK27XX
+
+/* enable these for the experimental usb stack */
+#define HAVE_USBSTACK
+
+#define USE_ROCKBOX_USB
+#define USB_VENDOR_ID 0x071b
+#define USB_PRODUCT_ID 0x3202
+#define HAVE_BOOTLOADER_USB_MODE
+
+/* Define this if your LCD can set contrast */
+/* #define HAVE_LCD_CONTRAST */
+
+/* The exact type of CPU */
+#define CONFIG_CPU RK27XX
+
+/* I2C interface */
+#define CONFIG_I2C I2C_RK27XX
+
+/* Define this to the CPU frequency */
+#define CPU_FREQ        200000000
+
+/* define this if the hardware can be powered off while charging */
+/* #define HAVE_POWEROFF_WHILE_CHARGING */
+
+/* Offset ( in the firmware file's header ) to the file CRC */
+#define FIRMWARE_OFFSET_FILE_CRC 0
+
+/* Offset ( in the firmware file's header ) to the real data */
+#define FIRMWARE_OFFSET_FILE_DATA 8
+
+#define STORAGE_NEEDS_ALIGN
+
+/* Define this if you have adjustable CPU frequency */
+#define HAVE_ADJUSTABLE_CPU_FREQ
+
+/* Virtual LED (icon) */
+#define CONFIG_LED LED_VIRTUAL
+
+#define RKW_FORMAT
+#define BOOTFILE_EXT "rkw"
+#define BOOTFILE "rockbox." BOOTFILE_EXT
+#define BOOTDIR "/.rockbox"
diff --git a/firmware/export/config/hifietma8c.h b/firmware/export/config/hifietma8c.h
new file mode 100644
index 0000000000..4e2d605523
--- /dev/null
+++ b/firmware/export/config/hifietma8c.h
@@ -0,0 +1,153 @@
+/*
+ * This config file is for HiFi E.T. MA8 reference design
+ */
+
+/* For Rolo and boot loader */
+#define MODEL_NUMBER 91
+
+#define MODEL_NAME   "HiFi E.T. MA8C"
+
+/* define the bitmask of hardware sample rates */
+#define HW_SAMPR_CAPS   (SAMPR_CAP_96 | SAMPR_CAP_48 | SAMPR_CAP_44 | \
+                         SAMPR_CAP_32 | SAMPR_CAP_24 | SAMPR_CAP_22 | \
+                         SAMPR_CAP_16 | SAMPR_CAP_12 | SAMPR_CAP_11 | SAMPR_CAP_8)
+
+#define HAVE_PCM1792_CODEC
+
+#define CODEC_SLAVE
+/* define this if you have a bitmap LCD display */
+#define HAVE_LCD_BITMAP
+
+/* define this if you can flip your LCD */
+/* #define HAVE_LCD_FLIP */
+
+/* define this if you have a colour LCD */
+#define HAVE_LCD_COLOR
+
+/* define this if you want album art for this target */
+#define HAVE_ALBUMART
+
+/* define this to enable bitmap scaling */
+#define HAVE_BMP_SCALING
+
+/* define this to enable JPEG decoding */
+#define HAVE_JPEG
+
+/* define this if you can invert the colours on your LCD */
+/* #define HAVE_LCD_INVERT */
+
+/* define this if you have access to the quickscreen */
+#define HAVE_QUICKSCREEN
+
+/* define this if you would like tagcache to build on this target */
+#define HAVE_TAGCACHE
+
+/* define this if you have a flash memory storage */
+#define HAVE_FLASH_STORAGE
+
+#define CONFIG_STORAGE (STORAGE_SD | STORAGE_NAND)
+
+#define CONFIG_NAND NAND_RK27XX
+#define HAVE_SW_TONE_CONTROLS
+
+/* commented for now */
+/* #define HAVE_HOTSWAP */
+
+#define NUM_DRIVES 2
+#define SECTOR_SIZE 512
+
+/* for small(ish) SD cards */
+#define HAVE_FAT16SUPPORT
+
+/* LCD dimensions */
+#define LCD_WIDTH  320
+#define LCD_HEIGHT 240
+#define LCD_DEPTH  16   /* pseudo 262.144 colors */
+#define LCD_PIXELFORMAT RGB565 /* rgb565 */
+
+/* Define this if your LCD can be enabled/disabled */
+#define HAVE_LCD_ENABLE
+
+#define CONFIG_KEYPAD MA_PAD
+
+/* Define this to enable morse code input */
+#define HAVE_MORSE_INPUT
+
+/* Define this if you do software codec */
+#define CONFIG_CODEC SWCODEC
+
+#define CONFIG_LCD LCD_ILI9342C
+
+/* Define this for LCD backlight available */
+#define HAVE_BACKLIGHT
+#define HAVE_BACKLIGHT_BRIGHTNESS
+#define MIN_BRIGHTNESS_SETTING      0
+#define MAX_BRIGHTNESS_SETTING      31
+#define DEFAULT_BRIGHTNESS_SETTING   31
+#define CONFIG_BACKLIGHT_FADING BACKLIGHT_FADING_SW_HW_REG
+
+/* Define this if you have a software controlled poweroff */
+#define HAVE_SW_POWEROFF
+
+/* The number of bytes reserved for loadable codecs */
+#define CODEC_SIZE 0x100000
+
+/* The number of bytes reserved for loadable plugins */
+#define PLUGIN_BUFFER_SIZE 0x80000
+
+/* TODO: Figure out real values */
+#define BATTERY_CAPACITY_DEFAULT 600 /* default battery capacity */
+#define BATTERY_CAPACITY_MIN     300 /* min. capacity selectable */
+#define BATTERY_CAPACITY_MAX     600 /* max. capacity selectable */
+#define BATTERY_CAPACITY_INC      10 /* capacity increment */
+#define BATTERY_TYPES_COUNT        1 /* only one type */
+
+#define CONFIG_BATTERY_MEASURE VOLTAGE_MEASURE
+
+/* Hardware controlled charging with monitoring */
+#define CONFIG_CHARGING CHARGING_MONITOR
+
+/* USB On-the-go */
+#define CONFIG_USBOTG USBOTG_RK27XX
+
+/* enable these for the experimental usb stack */
+#define HAVE_USBSTACK
+
+#define USE_ROCKBOX_USB
+#define USB_VENDOR_ID 0x071b
+#define USB_PRODUCT_ID 0x3202
+#define HAVE_BOOTLOADER_USB_MODE
+
+/* Define this if your LCD can set contrast */
+/* #define HAVE_LCD_CONTRAST */
+
+/* The exact type of CPU */
+#define CONFIG_CPU RK27XX
+
+/* I2C interface */
+#define CONFIG_I2C I2C_RK27XX
+
+/* Define this to the CPU frequency */
+#define CPU_FREQ        200000000
+
+/* define this if the hardware can be powered off while charging */
+/* #define HAVE_POWEROFF_WHILE_CHARGING */
+
+/* Offset ( in the firmware file's header ) to the file CRC */
+#define FIRMWARE_OFFSET_FILE_CRC 0
+
+/* Offset ( in the firmware file's header ) to the real data */
+#define FIRMWARE_OFFSET_FILE_DATA 8
+
+#define STORAGE_NEEDS_ALIGN
+
+/* Define this if you have adjustable CPU frequency */
+#define HAVE_ADJUSTABLE_CPU_FREQ
+
+/* Virtual LED (icon) */
+#define CONFIG_LED LED_VIRTUAL
+
+#define RKW_FORMAT
+#define BOOTFILE_EXT "rkw"
+#define BOOTFILE "rockbox." BOOTFILE_EXT
+#define BOOTDIR "/.rockbox"
diff --git a/firmware/export/pcm1792.h b/firmware/export/pcm1792.h
new file mode 100644
index 0000000000..917599edbf
--- /dev/null
+++ b/firmware/export/pcm1792.h
@@ -0,0 +1,142 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ *
+ * Copyright (c) 2013 Andrew Ryabinin
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef _PCM1792_H
+#define _PCM1792_H
+
+#define PCM1792_VOLUME_MIN -1270
+#define PCM1792_VOLUME_MAX 0
+
+#define AUDIOHW_CAPS (FILTER_ROLL_OFF_CAP)
+AUDIOHW_SETTING(VOLUME, "dB", 0, 1, PCM1792_VOLUME_MIN/10, PCM1792_VOLUME_MAX/10, 0)
+AUDIOHW_SETTING(FILTER_ROLL_OFF, "", 0, 1, 0, 1, 0)
+
+#define PCM1792_REG(x) (((x)&0x1f)<<8)
+
+/**
+ * Register #18
+ */
+/* Attenuation Load Control */
+#define PCM1792_ATLD_OFF        (0<<7)
+#define PCM1792_ATLD_ON         (1<<7)
+
+/* Audio Interface Data Format */
+#define PCM1792_FMT_16_RJ      (0<<4) /* 16-bit standard format, right-justified data */
+#define PCM1792_FMT_20_RJ      (1<<4) /* 20-bit standard format, right-justified data */
+#define PCM1792_FMT_24_RJ      (2<<4) /* 24-bit standard format, right-justified data */
+#define PCM1792_FMT_24_MSB_I2S (3<<4) /* 24-bit MSB-first, left-justified format data */
+#define PCM1792_FMT_16_I2S     (4<<4) /* 16-bit I2S format data */
+#define PCM1792_FMT_24_I2S     (5<<4) /* 24-bit I2S format data */
+
+/* Sampling Frequency Selection for the De-Emphasis Function */
+#define PCM1792_DMF_DISABLE (0<<2)
+#define PCM1792_DMF_48      (1<<2)
+#define PCM1792_DMF_44      (2<<2)
+#define PCM1792_DMF_32      (2<<2)
+
+/* Digital De-Emphasis Control */
+#define PCM1792_DME_OFF     (0<<1)
+#define PCM1792_DME_ON      (1<<1)
+
+/* Soft Mute Control */
+#define PCM1792_MUTE_OFF (0<<0)
+#define PCM1792_MUTE_ON  (1<<0)
+
+
+/**
+ * Register #19
+ */
+/* Output Phase Reversal */
+#define PCM1792_REV_OFF  (0<<7)
+#define PCM1792_REV_ON   (1<<7)
+
+/* Attenuation Rate Select */
+#define PCM1792_ATS_DIV1   (0<<5)
+#define PCM1792_ATS_DIV2   (1<<5)
+#define PCM1792_ATS_DIV4   (2<<5)
+#define PCM1792_ATS_DIV8   (4<<5)
+
+/* DAC Operation Control */
+#define PCM1792_OPE_ON       (0<<4)
+#define PCM1792_OPE_OFF      (1<<4)
+
+/* Stereo DF Bypass Mode Select */
+#define PCM1792_DFMS_MONO   (0<<2)
+#define PCM1792_DFMS_STERO  (1<<2)
+
+/* Digital Filter Rolloff Control */
+#define PCM1792_FLT_SHARP   (0<<1)
+#define PCM1792_FLT_SLOW    (1<<1)
+
+/* Infinite Zero Detect Mute Control */
+#define PCM1792_INZD_OFF    (0<<0)
+#define PCM1792_INZD_ON     (1<<0)
+
+
+/**
+ * Register #20
+ */
+/* System Reset Control */
+#define PCM1792_SRST_NORMAL  (0<<6)
+#define PCM1792_SRST_RESET   (1<<6)
+
+/* DSD Interface Mode Control */
+#define PCM1792_DSD_OFF      (0<<5)
+#define PCM1792_DSD_ON       (1<<5)
+
+/* Digital Filter Bypass (or Through Mode) Control */
+#define PCM1792_DFTH_ENABLE  (0<<4) /* Digital filter enabled */
+#define PCM1792_DFTH_BYPASS  (1<<4) /* Digital filter bypassed
+                                       for external digital filter */
+
+/* Monaural Mode Selection */
+#define PCM1792_STEREO       (0<<3)
+#define PCM1792_MONO         (1<<3)
+
+/* Channel Selection for Monaural Mode */
+#define PCM1792_CHSL_L       (0<<2)
+#define PCM1792_CHSL_R       (1<<2)
+
+/* Delta-Sigma Oversampling Rate Selection */
+#define PCM1792_OS_64        (0<<0)
+#define PCM1792_OS_32        (1<<0)
+#define PCM1792_OS_128       (2<<0)
+
+/**
+ * Register #21
+ */
+/* DSD Zero Output Enable */
+#define PCM1792_DZ_DISABLE   (0<<1)
+#define PCM1792_DZ_EVEN      (1<<1) /* Even pattern detect */
+#define PCM1792_DZ_96H       (2<<1) /* 96h pattern detect */
+
+/* PCM Zero Output Enable */
+#define PCM1792_PCMZ_OFF     (0<<0)
+#define PCM1792_PCMZ_ON      (1<<0)
+
+void audiohw_mute(void);
+void pcm1792_set_ml(const int);
+void pcm1792_set_mc(const int);
+void pcm1792_set_md(const int);
+void pcm1792_set_ml_dir(const int);
+
+#endif
diff --git a/firmware/target/arm/rk27xx/backlight-rk27xx.c b/firmware/target/arm/rk27xx/backlight-rk27xx.c
index 8c10d7af2a..5d92cd827b 100644
--- a/firmware/target/arm/rk27xx/backlight-rk27xx.c
+++ b/firmware/target/arm/rk27xx/backlight-rk27xx.c
@@ -61,7 +61,7 @@ static const unsigned short lin_brightness[] = {
     562, 579, 596, 616, 637, 660, 684, 711,
     739, 770, 802, 837, 874, 914, 955, 1000
 };
-#elif defined(MA9) || defined(MA9C)
+#elif defined(MA9) || defined(MA9C) || defined(MA8) || defined(MA8C)
 static const unsigned short lin_brightness[] = {
       2,   4,   7,  10,  15,  21,  28,  36,
      46,  58,  72,  87, 104, 124, 146, 171,
diff --git a/firmware/target/arm/rk27xx/ma/audio-ma.c b/firmware/target/arm/rk27xx/ma/audio-ma.c
index 92cea307b2..f842824c26 100644
--- a/firmware/target/arm/rk27xx/ma/audio-ma.c
+++ b/firmware/target/arm/rk27xx/ma/audio-ma.c
@@ -29,21 +29,25 @@ void df1704_set_ml_dir(const int dir)
 {
     pca9555_write_config(dir<<8, (1<<8));
 }
+void pcm1792_set_ml_dir (const int) __attribute__((alias("df1704_set_ml_dir")));
 
 void df1704_set_ml(const int val)
 {
     pca9555_write_output(val<<8, 1<<8);
 }
+void pcm1792_set_ml (const int) __attribute__((alias("df1704_set_ml")));
 
 void df1704_set_mc(const int val)
 {
     pca9555_write_output(val<<1, 1<<1);
 }
+void pcm1792_set_mc (const int) __attribute__((alias("df1704_set_mc")));
 
 void df1704_set_md(const int val)
 {
     pca9555_write_output(val<<0, 1<<0);
 }
+void pcm1792_set_md (const int) __attribute__((alias("df1704_set_md")));
 
 static void pop_ctrl(const int val)
 {
@@ -60,7 +64,6 @@ static void dac_enable(const int val)
     pca9555_write_output(val<<4, 1<<4);
 }
 
-
 void audiohw_postinit(void)
 {
     pop_ctrl(0);
diff --git a/firmware/target/arm/rk27xx/sd-rk27xx.c b/firmware/target/arm/rk27xx/sd-rk27xx.c
index 39a4330d2a..9f6ba467b7 100644
--- a/firmware/target/arm/rk27xx/sd-rk27xx.c
+++ b/firmware/target/arm/rk27xx/sd-rk27xx.c
@@ -132,7 +132,7 @@ static inline bool card_detect_target(void)
     return !(GPIO_PCDR & 0x80);
 #elif defined(HM60X) || defined(HM801)
     return !(GPIO_PFDR & (1<<2));
-#elif defined(MA9) || defined(MA9C)
+#elif defined(MA9) || defined(MA9C) || defined(MA8) || defined(MA8C)
     return (GPIO_PCDR & 0x80);
 #else
 #error "Unknown target"