[U-Boot] [PATCH v2 24/31] sandbox: Add a simple sound driver
Simon Glass
sjg at chromium.org
Thu Feb 27 21:26:18 CET 2014
Add a sound driver for sandbox, which uses SDL.
Tested-by: Che-Liang Chiou <clchiou at chromium.org>
Signed-off-by: Simon Glass <sjg at chromium.org>
---
Changes in v2: None
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();
+}
--
1.9.0.279.gdc9e3eb
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