Initial commit: PureFox firmware for LuckFox Pico Ultra

build.sh

@@ -4,12 +4,12 @@ apt-get install -y git rsync build-essential cmake device-tree-compiler bc binut
 git config --global http.version HTTP/1.1
 git config --global http.postBuffer 157286400
 cd buildroot
-make BR2_EXTERNAL=../ext_tree luckfox_pico_max_defconfig
+make BR2_EXTERNAL=../ext_tree luckfox_pico_ultra_defconfig
 export FORCE_UNSAFE_CONFIGURE=1
 export LIBCLANG_PATH=/usr/lib/llvm-14/lib
 export CLANG_PATH=/usr/bin/clang
 export BINDGEN_EXTRA_CLANG_ARGS="--sysroot=`pwd`/output/host/arm-buildroot-linux-gnueabihf/sysroot"
-rm -rf output/image/* ; rm -rf output/target ; find output/ -name ".stamp*installed" -delete ; rm -f output/build/host-gcc-final-*/.stamp_host_installed
+rm -rf output/target ; find output/ -name ".stamp_target_installed" -delete ; rm -f output/build/host-gcc-final-*/.stamp_host_installed
 make
 
 

buildroot/board/luckfox-pico/common/post-image.sh

@@ -1,5 +1,10 @@
 #!/bin/sh
 
+# Copy tidal.sqfs to images directory for flashing
+if [ -f "/tmp/tidal.sqfs" ]; then
+    cp /tmp/tidal.sqfs $BINARIES_DIR/
+fi
+
 mv -f $BINARIES_DIR/rootfs.ubi $BINARIES_DIR/rootfs.img 2>/dev/null
 mv -f $BINARIES_DIR/uboot-env.bin $BINARIES_DIR/env.img 2>/dev/null
 rm -f $BINARIES_DIR/*.dtb

ext_tree/Config.in

@@ -8,4 +8,5 @@ menu "Custom packages"
 	source "../ext_tree/package/squeezeliteR2/Config.in"
 	source "../ext_tree/package/status-monitor/Config.in"
 	source "../ext_tree/package/qobuz-connect/Config.in"
+	source "../ext_tree/package/tidal-connect/Config.in"
 endmenu

ext_tree/board/luckfox/config/uboot-env.txt

@@ -0,0 +1,4 @@
+blkdevparts=mmcblk0:32K(env),512K@32K(idblock),256K(uboot),32M(boot),512M(oem),256M(userdata),6G(rootfs)
+sys_bootargs= root=/dev/mmcblk0p7 rootfstype=ext4 rk_dma_heap_cma=24M
+sd_parts=mmcblk0:16K@512(env),512K@32K(idblock),4M(uboot)
+bootcmd=mmc dev ${devnum}; fatload mmc ${devnum}:5 ${kernel_addr_r} zImage; fatload mmc ${devnum}:5 ${fdt_addr_r} rv1106_pll.dtb; bootz ${kernel_addr_r} - ${fdt_addr_r}

ext_tree/board/luckfox/dts_max/rv1106-pinctrl.dtsi

@@ -350,6 +350,11 @@ i2s0_8ch {
             			/* gpio1_d3 */
             			<1 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up_drv_level_2>;
 		};
+		mute_inv_gpio: mute-inv-gpio {
+        		rockchip,pins =
+            			/* gpio2_a5 - Inverted mute signal (pin 69) */
+            			<2 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
 		dsd_on_gpio: dsd-on-gpio {
         		rockchip,pins =
             			/* gpio1_d0 - DSD_ON signal */

ext_tree/board/luckfox/dts_max/rv1106_512_ext-ipc.dtsi

@@ -70,6 +70,7 @@ i2s0_8ch: i2s@ffae0000 {
     	rockchip,cru = <&cru>;
     	rockchip,grf = <&grf>;
     	mute-gpios = <&gpio1 RK_PD3 GPIO_ACTIVE_HIGH>;
+    	mute-inv-gpios = <&gpio2 RK_PA5 GPIO_ACTIVE_HIGH>;
     	dsd-enable-gpios = <&gpio1 RK_PD0 GPIO_ACTIVE_HIGH>;
     	pinctrl-names = "default";
     	pinctrl-0 = <&i2s0_lrck
@@ -81,6 +82,7 @@ i2s0_8ch: i2s@ffae0000 {
         	&i2s0_sdo2_sdi2
         	&i2s0_sdo3_sdi1
         	&mute_gpio
+        	&mute_inv_gpio
         	&dsd_on_gpio
         	&mclk_sel_gpio>;
     	status = "disable";

ext_tree/board/luckfox/dts_max/rv1106_512_ext.dts

@@ -62,7 +62,7 @@
 
 /**********EMMC*************/
 &emmc {
-        status = "disable";
+        status = "okay";
 };
 
 /**********ETH**********/

ext_tree/board/luckfox/dts_max/rv1106_ext-ipc.dtsi

@@ -70,6 +70,7 @@ i2s0_8ch: i2s@ffae0000 {
     	rockchip,cru = <&cru>;
     	rockchip,grf = <&grf>;
     	mute-gpios = <&gpio1 RK_PD3 GPIO_ACTIVE_HIGH>;
+    	mute-inv-gpios = <&gpio2 RK_PA5 GPIO_ACTIVE_HIGH>;
     	dsd-enable-gpios = <&gpio1 RK_PD0 GPIO_ACTIVE_HIGH>;
     	pinctrl-names = "default";
     	pinctrl-0 = <&i2s0_lrck
@@ -81,6 +82,7 @@ i2s0_8ch: i2s@ffae0000 {
         	&i2s0_sdo2_sdi2
         	&i2s0_sdo3_sdi1
         	&mute_gpio
+        	&mute_inv_gpio
         	&dsd_on_gpio
         	&mclk_sel_gpio>;
     	status = "disable";

ext_tree/board/luckfox/dts_max/rv1106_ext.dts

@@ -62,7 +62,7 @@
 
 /**********EMMC*************/
 &emmc {
-        status = "disable";
+        status = "okay";
 };
 
 /**********ETH**********/

ext_tree/board/luckfox/dts_max/rv1106_pll-ipc.dtsi

@@ -47,6 +47,7 @@
 	        rockchip,volume-max = <100>;         
 	        rockchip,volume-default = <100>;     
 		mute-gpios = <&gpio1 RK_PD3 GPIO_ACTIVE_HIGH>;
+		mute-inv-gpios = <&gpio2 RK_PA5 GPIO_ACTIVE_HIGH>;
 		dsd-enable-gpios = <&gpio1 RK_PD0 GPIO_ACTIVE_HIGH>;
                 pinctrl-names = "default";
 	        pinctrl-0 = <&i2s0_lrck 
@@ -58,6 +59,7 @@
 				&i2s0_sdo2_sdi2 
 				&i2s0_sdo3_sdi1 
 				&mute_gpio
+				&mute_inv_gpio
 				&dsd_on_gpio>;
 	        status = "okay";                     
 	};

ext_tree/board/luckfox/dts_max/rv1106_pll.dts

@@ -61,7 +61,7 @@
 
 /**********EMMC*************/
 &emmc {
-        status = "disable";
+        status = "okay";
 };
 
 /**********ETH**********/

ext_tree/board/luckfox/rootfs_overlay/etc/fstab

@@ -1,7 +1,10 @@
 # <file system> <mount pt>      <type>  <options>       <dump>  <pass>
-/dev/root       /               ext2    rw,noauto       0       1
+/dev/root       /               ext4    rw,noauto       0       1
+/dev/mmcblk0p6 	/data		ext4	rw,relatime	0	0
+/dev/mmcblk0p5	/boot		vfat    defaults	0	0
 proc            /proc           proc    defaults        0       0
 devpts          /dev/pts        devpts  defaults,gid=5,mode=620,ptmxmode=0666   0       0
+debugfs   /sys/kernel/debug 	debugfs defaults 	0 	0
 tmpfs           /dev/shm        tmpfs   mode=1777       0       0
 tmpfs           /tmp            tmpfs   mode=1777       0       0
 tmpfs           /run            tmpfs   mode=0755,nosuid,nodev  0       0

ext_tree/board/luckfox/rootfs_overlay/etc/fw_env.config

@@ -1 +1 @@
-/dev/mtd0 0x0 0x40000 0x20000
+/dev/mmcblk0 0x0 0x8000 0x200 64

ext_tree/board/luckfox/rootfs_overlay/etc/i2s.conf

@@ -5,4 +5,13 @@ MCLK=512
 MODE=pll
 
 ### std, lr, plr, 8ch ###### 
-SUBMODE=std
+SUBMODE=std
+
+### PCM channel swap: 0 or 1 ###
+PCM_SWAP=0
+
+### DSD physical swap: 0 or 1 ###
+DSD_SWAP=1
+
+### Frequency domain swap (44/48): 0 or 1 ###
+FREQ_SWAP=0

ext_tree/board/luckfox/rootfs_overlay/etc/init.d/S01RkLunch

@@ -1,8 +1,22 @@
 #!/bin/sh
 
+# Find mixer control with playback volume and switch capabilities
+MIXER=$(amixer 2>/dev/null | awk '
+    /^Simple mixer control/ {
+        control = $0
+        gsub(/.*'\''/, "", control)
+        gsub(/'\''.*/, "", control)
+    }
+    /Capabilities:/ && /pvolume/ && /pswitch/ {
+        print control
+        exit
+    }
+')
+# Fallback to first available control if none found
+[ -z "$MIXER" ] && MIXER=$(amixer 2>/dev/null | awk -F "'" 'NR==1 {print $2; exit}')
+
 echo 1 > /sys/devices/platform/ffae0000.i2s/mute
-MIXER=`amixer 2>/dev/null| awk -F "'" 'NR==1 {print $2; exit}'`
-/usr/bin/amixer set "$MIXER" mute
+[ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" mute 2>/dev/null
 
 	if [ -f /data/ethaddr.txt ]; then
 	    MAC=`cat /data/ethaddr.txt`
@@ -23,10 +37,16 @@ MIXER=`amixer 2>/dev/null| awk -F "'" 'NR==1 {print $2; exit}'`
 /sbin/ifconfig eth0 up && /sbin/udhcpc -i eth0
 
 grep MCLK=1024 /etc/i2s.conf && echo 1024 > /sys/devices/platform/ffae0000.i2s/mclk_multiplier
-echo 100 >  /sys/devices/platform/ffae0000.i2s/premute_delay_ms 
 echo 300 >  /sys/devices/platform/ffae0000.i2s/postmute_delay_ms 
-echo 1 > /sys/devices/platform/ffae0000.i2s/dsd_physical_swap
-echo 0 > /sys/devices/platform/ffae0000.i2s/pcm_channel_swap
+
+PCM_SWAP=$(grep '^PCM_SWAP=' /etc/i2s.conf | cut -d'=' -f2 | tr -d '[:space:]')
+[ -n "$PCM_SWAP" ] && echo "$PCM_SWAP" > /sys/devices/platform/ffae0000.i2s/pcm_channel_swap || echo 0 > /sys/devices/platform/ffae0000.i2s/pcm_channel_swap
+
+DSD_SWAP=$(grep '^DSD_SWAP=' /etc/i2s.conf | cut -d'=' -f2 | tr -d '[:space:]')
+[ -n "$DSD_SWAP" ] && echo "$DSD_SWAP" > /sys/devices/platform/ffae0000.i2s/dsd_physical_swap || echo 1 > /sys/devices/platform/ffae0000.i2s/dsd_physical_swap
+
+FREQ_SWAP=$(grep '^FREQ_SWAP=' /etc/i2s.conf | cut -d'=' -f2 | tr -d '[:space:]')
+[ -n "$FREQ_SWAP" ] && echo "$FREQ_SWAP" > /sys/devices/platform/ffae0000.i2s/freq_domain_invert || echo 0 > /sys/devices/platform/ffae0000.i2s/freq_domain_invert
 
 
 rcS()

ext_tree/board/luckfox/rootfs_overlay/etc/init.d/S94ioi2s

@@ -27,6 +27,13 @@ start() {
         exit 1
     fi
     echo "OK"
+
+    # Initialize I2S/MCLK by briefly opening audio device
+    printf "Initializing I2S/MCLK: "
+    timeout 1 aplay -D default -f S16_LE -r 44100 /dev/zero 2>/dev/null &
+    sleep 0.3
+    killall aplay 2>/dev/null
+    echo "OK"
 }
 
 stop() {

ext_tree/board/luckfox/rootfs_overlay/etc/rc.pure/S95aplayer

@@ -1,17 +1,19 @@
 #!/bin/sh
 
-MIXER=`sed 's/,.*//' /tmp/mixer_control_cache`
 
 start() {
     touch /var/log/aplayer.log
     ln -s -f /var/log/aplayer.log /usr/aprenderer/aplayer.log
     printf "Starting APlayer: "
     cd /usr/aplayer; nice -n -30 ./aplayer > /dev/null 2>&1 && echo "OK" || echo "FAIL"
+    sleep 0.5
+    if [ -f /tmp/mixer_control_cache ]; then
+        MIXER=$(cat /tmp/mixer_control_cache | cut -d, -f1 | tr -d "'")
+        [ -n "$MIXER" ] && amixer set "$MIXER" unmute 2>/dev/null
+    fi
     sync
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" unmute 2>/dev/null
     }
 stop() {
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" mute 2>/dev/null
     killall -9 aplayer
 }
 restart() {

ext_tree/board/luckfox/rootfs_overlay/etc/rc.pure/S95aprenderer

@@ -1,25 +1,20 @@
 #!/bin/sh
 
-MIXER=`sed 's/,.*//' /tmp/mixer_control_cache`
 
 start() {
+    renice -10 $$
     touch /var/log/aprenderer.log
     ln -s -f /var/log/aprenderer.log /usr/aprenderer/aprenderer.log
     printf "Starting APlayer UPNP: "
     cd /usr/aprenderer; ./ap2renderer > /dev/null 2>&1 && echo "OK" || echo "FAIL"
     sleep 0.5
-    pid=$(pidof ap2renderer)
-    if [ -n "$pid" ]; then
-    renice -15 $pid
-    for tid in $(ls /proc/$pid/task/); do
-        renice -15 $tid
-    done
+    if [ -f /tmp/mixer_control_cache ]; then
+        MIXER=$(cat /tmp/mixer_control_cache | cut -d, -f1 | tr -d "'")
+        [ -n "$MIXER" ] && amixer set "$MIXER" unmute 2>/dev/null
     fi
     sync
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" unmute 2>/dev/null
     }
 stop() {
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" mute 2>/dev/null
     killall -9 ap2renderer
 }
 restart() {

ext_tree/board/luckfox/rootfs_overlay/etc/rc.pure/S95apscream

@@ -1,18 +1,19 @@
 #!/bin/sh
 
-MIXER=`sed 's/,.*//' /tmp/mixer_control_cache`
 
 start() {
     touch /var/log/apscream.log
     ln -s -f /var/log/apscream.log /usr/apscream/apscream.log
     printf "Starting APscream: "
     cd /usr/apscream; ./apscream > /dev/null 2>&1 && echo "OK" || echo "FAIL"
     sleep 0.5
+    if [ -f /tmp/mixer_control_cache ]; then
+        MIXER=$(cat /tmp/mixer_control_cache | cut -d, -f1 | tr -d "'")
+        [ -n "$MIXER" ] && amixer set "$MIXER" unmute 2>/dev/null
+    fi
     sync
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" unmute 2>/dev/null
     }
 stop() {
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" mute 2>/dev/null
     killall -9 apscream
 }
 restart() {

ext_tree/board/luckfox/rootfs_overlay/etc/rc.pure/S95mpd

@@ -1,8 +1,7 @@
 #!/bin/sh
 
-MIXER=`sed 's/,.*//' /tmp/mixer_control_cache`
-
 start() {
+    renice -10 $$ 
     printf "Starting mpd: "
     mkdir -p /var/cache/
     ln -s /opt/upmpdcli /var/cache/
@@ -16,17 +15,12 @@ start() {
     sleep 0.5
     /usr/bin/mpd
     sleep 0.5
-    pid=$(pidof /usr/bin/mpd)
-    if [ -n "$pid" ]; then
-    renice -15 $pid
-    for tid in $(ls /proc/$pid/task/); do
-        renice -15 $tid
-    done
+    if [ -f /tmp/mixer_control_cache ]; then
+        MIXER=$(cat /tmp/mixer_control_cache | cut -d, -f1 | tr -d "'")
+        [ -n "$MIXER" ] && amixer set "$MIXER" unmute 2>/dev/null
     fi
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" unmute 2>/dev/null
     }
 stop() {
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" mute 2>/dev/null
     killall -9 mpd
     killall -9 upmpdcli
     }

ext_tree/board/luckfox/rootfs_overlay/etc/rc.pure/S95naa

@@ -1,14 +1,15 @@
 #!/bin/sh
 
-MIXER=`sed 's/,.*//' /tmp/mixer_control_cache`
-
 start() {
     printf "Starting NAA: "
     /usr/sbin/networkaudiod > /dev/null 2>&1 &
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" unmute 2>/dev/null
+    sleep 0.5
+    if [ -f /tmp/mixer_control_cache ]; then
+        MIXER=$(cat /tmp/mixer_control_cache | cut -d, -f1 | tr -d "'")
+        [ -n "$MIXER" ] && amixer set "$MIXER" unmute 2>/dev/null
+    fi
     }
 stop() {
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" mute 2>/dev/null
     killall -9 networkaudiod
 }
 restart() {

ext_tree/board/luckfox/rootfs_overlay/etc/rc.pure/S95qobuz

@@ -1,6 +1,5 @@
 #!/bin/sh
 
-MIXER=`sed 's/,.*//' /tmp/mixer_control_cache`
 
 start() {
 	local mode="$1"
@@ -96,32 +95,17 @@ start() {
         OUTPUT_DEVICE="default"
     fi
 
+    renice -15 $$ 
     # Start qobuz-connect (no LD_PRELOAD needed, all parameters embedded)
     /opt/qobuz-connect/qobuz-connect -o $OUTPUT_DEVICE > /dev/null 2>&1 &
-    sleep 2
-
-    # Set high priority for better audio performance
-    pid=$(pidof qobuz-connect)
-    if [ -n "$pid" ]; then
-        renice -15 $pid 2>/dev/null
-        for tid in $(ls /proc/$pid/task/ 2>/dev/null); do
-            renice -15 $tid 2>/dev/null
-        done
-        echo "started (PID: $pid)"
-    else
-        echo "failed to start"
-        echo "Error log:"
-        cat /tmp/qobuz.log 2>/dev/null || echo "No log available"
-        exit 1
+    sleep 0.5
+    if [ -f /tmp/mixer_control_cache ]; then
+        MIXER=$(cat /tmp/mixer_control_cache | cut -d, -f1 | tr -d "'")
+        [ -n "$MIXER" ] && amixer set "$MIXER" unmute 2>/dev/null
     fi
-
-    # Unmute audio output
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" unmute 2>/dev/null || echo "No mixer controls available"
     }
 
 stop() {
-    # Mute audio output
-    [ -n "$MIXER" ] && /usr/bin/amixer set "$MIXER" mute 2>/dev/null || echo "No mixer controls available"
     pid=$(pidof qobuz-connect)
     if [ -n "$pid" ]; then
         kill -9 $pid