[U-Boot] [PATCH 31/32] sandbox: Add a simple sound driver

[Simon Glass]

Add a sound driver for sandbox, which uses SDL.

Signed-off-by: Simon Glass <sjg at chromium.org>
Signed-off-by: Simon Glass <sjg at chromium.org>
Tested-by: Che-Liang Chiou <clchiou at chromium.org>
---
 arch/sandbox/include/asm/arch-sandbox/sound.h | 14 ++++++++++++++
 drivers/sound/Makefile                        |  2 ++
 drivers/sound/sandbox.c                       | 23 +++++++++++++++++++++++
 3 files changed, 39 insertions(+)
 create mode 100644 arch/sandbox/include/asm/arch-sandbox/sound.h
 create mode 100644 drivers/sound/sandbox.c

diff --git a/arch/sandbox/include/asm/arch-sandbox/sound.h b/arch/sandbox/include/asm/arch-sandbox/sound.h
new file mode 100644
index 0000000..a32e8c8
--- /dev/null
+++ b/arch/sandbox/include/asm/arch-sandbox/sound.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __SANDBOX_SOUND_H
+#define __SANDBOX_SOUND_H
+
+int sound_play(unsigned int msec, unsigned int frequency);
+
+int sound_init(const void *blob);
+
+#endif
diff --git a/drivers/sound/Makefile b/drivers/sound/Makefile
index 6d25292..3793f8a 100644
--- a/drivers/sound/Makefile
+++ b/drivers/sound/Makefile
@@ -7,5 +7,7 @@
 
 obj-$(CONFIG_SOUND)	+= sound.o
 obj-$(CONFIG_I2S)	+= samsung-i2s.o
+obj-$(CONFIG_I2S_SAMSUNG)	+= samsung-i2s.o
+obj-$(CONFIG_SOUND_SANDBOX)	+= sandbox.o
 obj-$(CONFIG_SOUND_WM8994)	+= wm8994.o
 obj-$(CONFIG_SOUND_MAX98095)	+= max98095.o
diff --git a/drivers/sound/sandbox.c b/drivers/sound/sandbox.c
new file mode 100644
index 0000000..fe5c9e9
--- /dev/null
+++ b/drivers/sound/sandbox.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/sound.h>
+#include <asm/sdl.h>
+
+int sound_play(uint32_t msec, uint32_t frequency)
+{
+	sandbox_sdl_sound_start(frequency);
+	mdelay(msec);
+	sandbox_sdl_sound_stop();
+
+	return 0;
+}
+
+int sound_init(const void *blob)
+{
+	return sandbox_sdl_sound_init();
+}
-- 
1.8.4.1