arch/sim: add sim alsa support

Squashed commit of the following:

sim audio: call alsa to playback/capture data
sim/audio: correct the format capability
sim/audio: add pause/resume support
sim/audio: add auto stop when meet AUDIO_APB_FINAL
sim/audio: fix abort when set small buffer_size
sim/audio: move sim_audio.c to sim_alsa.c

Change-Id: I8e00ece79159e844ca17fd4c363480b985ee0490
Signed-off-by: ligd <liguiding1@xiaomi.com>

arch/sim/Kconfig

@@ -201,6 +201,25 @@ config SIM_NET_BRIDGE_DEVICE
 
 endif
 
+config SIM_SOUND
+	bool "Simulated sound support"
+	depends on AUDIO
+	default y
+
+if SIM_SOUND
+
+choice
+	prompt "Simulated sound Type"
+	default SIM_SOUND_ALSA
+
+config SIM_SOUND_ALSA
+	bool "alsa support on sim"
+	depends on HOST_LINUX
+
+endchoice
+
+endif
+
 config SIM_RPTUN_MASTER
 	bool "Remote Processor Tunneling Role"
 	depends on RPTUN

arch/sim/src/Makefile

@@ -205,6 +205,11 @@ ifeq ($(CONFIG_RPTUN),y)
   CSRCS += up_rptun.c
 endif
 
+ifeq ($(CONFIG_SIM_SOUND_ALSA),y)
+  CSRCS += up_alsa.c
+  STDLIBS += -lasound
+endif
+
 ifeq ($(CONFIG_FS_HOSTFS),y)
 ifneq ($(CONFIG_FS_HOSTFS_RPMSG),y)
   HOSTSRCS += up_hostfs.c

arch/sim/src/sim/up_idle.c

@@ -113,6 +113,10 @@ void up_idle(void)
   bthcisock_loop();
 #endif
 
+#ifdef CONFIG_SIM_SOUND
+  sim_audio_loop();
+#endif
+
 #ifdef CONFIG_ONESHOT
   /* Driver the simulated interval timer */
 

arch/sim/src/sim/up_initialize.c

@@ -42,6 +42,7 @@
 #include <debug.h>
 
 #include <nuttx/arch.h>
+#include <nuttx/audio/audio.h>
 #include <nuttx/drivers/drivers.h>
 #include <nuttx/fs/loop.h>
 #include <nuttx/fs/ioctl.h>
@@ -281,4 +282,9 @@ void up_initialize(void)
 #if defined(CONFIG_FS_SMARTFS) && (defined(CONFIG_SIM_SPIFLASH) || defined(CONFIG_SIM_QSPIFLASH))
   up_init_smartfs();
 #endif
+
+#ifdef CONFIG_SIM_SOUND
+  audio_register("pcm0p", sim_audio_initialize(true));
+  audio_register("pcm0c", sim_audio_initialize(false));
+#endif
 }

arch/sim/src/sim/up_internal.h

@@ -397,6 +397,13 @@ int bthcisock_register(int dev_id);
 int bthcisock_loop(void);
 #endif
 
+/* up_audio.c ***************************************************************/
+
+#ifdef CONFIG_SIM_SOUND
+struct audio_lowerhalf_s *sim_audio_initialize(bool playback);
+void sim_audio_loop(void);
+#endif
+
 /* Debug ********************************************************************/
 
 #ifdef CONFIG_STACK_COLORATION

boards/sim/sim/sim/configs/alsa/defconfig

@@ -0,0 +1,59 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_NSH_CMDOPT_HEXDUMP is not set
+CONFIG_ARCH="sim"
+CONFIG_ARCH_BOARD="sim"
+CONFIG_ARCH_BOARD_SIM=y
+CONFIG_ARCH_CHIP="sim"
+CONFIG_ARCH_SIM=y
+CONFIG_AUDIO=y
+CONFIG_BOARDCTL_APP_SYMTAB=y
+CONFIG_BOARDCTL_POWEROFF=y
+CONFIG_BOARD_LOOPSPERMSEC=0
+CONFIG_BOOT_RUNFROMEXTSRAM=y
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEV_LOOP=y
+CONFIG_DEV_ZERO=y
+CONFIG_EXAMPLES_HELLO=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FAT_LFN=y
+CONFIG_FSUTILS_PASSWD=y
+CONFIG_FSUTILS_PASSWD_READONLY=y
+CONFIG_FS_BINFS=y
+CONFIG_FS_FAT=y
+CONFIG_FS_HOSTFS=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
+CONFIG_IDLETHREAD_STACKSIZE=4096
+CONFIG_LIBC_EXECFUNCS=y
+CONFIG_LIB_ENVPATH=y
+CONFIG_MAX_TASKS=64
+CONFIG_NFILE_DESCRIPTORS=32
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_ARCHROMFS=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FATDEVNO=2
+CONFIG_NSH_FILE_APPS=y
+CONFIG_NSH_READLINE=y
+CONFIG_NSH_ROMFSDEVNO=1
+CONFIG_NSH_ROMFSETC=y
+CONFIG_PATH_INITIAL="/bin"
+CONFIG_POSIX_SPAWN_PROXY_STACKSIZE=2048
+CONFIG_READLINE_TABCOMPLETION=y
+CONFIG_SCHED_HAVE_PARENT=y
+CONFIG_SCHED_ONEXIT=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_START_MONTH=6
+CONFIG_START_YEAR=2008
+CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NXPLAYER=y
+CONFIG_SYSTEM_NXRECORDER=y
+CONFIG_USERMAIN_STACKSIZE=4096
+CONFIG_USER_ENTRYPOINT="nsh_main"