artik053: add artik053 i2schar devinit interface

Added initialization part to artik053 to use i2schar example

Change-Id: I8a2c0b35bcc3a47310b32bba6c9ee66376eba7d1
Signed-off-by: Bongryul Lee <bongryul.lee@samsung.com>

diff --git a/os/arch/arm/src/artik053/src/Makefile b/os/arch/arm/src/artik053/src/Makefile
index 5b296c1..eb1af26 100644 (file)
--- a/os/arch/arm/src/artik053/src/Makefile
+++ b/os/arch/arm/src/artik053/src/Makefile
@@ -59,6 +59,12 @@ CSRCS = artik053_boot.c \
        artik053_tash.c \
        artik053_pwm.c
 
+ifeq ($(CONFIG_AUDIO_I2SCHAR),y)
+ifeq ($(CONFIG_S5J_I2S),y)
+CSRCS += artik053_i2schar.c
+endif
+endif
+
 ifeq ($(CONFIG_AUDIO_ALC5658CHAR),y)
 CSRCS += artik053_alc5658char.c
 endif

diff --git a/os/arch/arm/src/artik053/src/artik053_i2schar.c b/os/arch/arm/src/artik053/src/artik053_i2schar.c
new file mode 100644 (file)
index 0000000..eba2373
--- /dev/null
+++ b/os/arch/arm/src/artik053/src/artik053_i2schar.c
@@ -0,0 +1,122 @@
+/*****************************************************************************
+ *
+ * Copyright 2017 Samsung Electronics All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ ****************************************************************************/
+/*****************************************************************************
+ * arch/arm/src/artik053/src/artik053_i2schar.c
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/*****************************************************************************
+ * Included Files
+ ****************************************************************************/
+#include <tinyara/config.h>
+
+#include <sys/types.h>
+#include <errno.h>
+#include <debug.h>
+#include <tinyara/clock.h>
+
+#if defined(CONFIG_AUDIO_I2SCHAR) && defined(CONFIG_S5J_I2S)
+
+#include <tinyara/audio/i2s.h>
+#include "s5j_i2s.h"
+
+/*****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#ifndef CONFIG_S5JT200_I2SCHAR_MINOR
+#define CONFIG_S5JT200_I2SCHAR_MINOR 0
+#endif
+
+/*****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/*****************************************************************************
+ * Name: i2schar_devinit
+ *
+ * Description:
+ *   All architectures must provide the following interface in order to
+ *   work with apps/examples/i2schar.
+ *
+ ****************************************************************************/
+
+int i2schar_devinit(void)
+{
+       static bool initialized;
+       struct i2s_dev_s *i2s;
+       int ret;
+
+       /* Have we already initialized? */
+
+       if (!initialized) {
+               /* Call s5j_i2s_initialize() to get an instance of the I2S interface */
+
+               i2s = s5j_i2s_initialize();
+               if (!i2s) {
+                       auderr("ERROR: Failed to get the S5J I2S driver\n");
+                       return -ENODEV;
+               }
+
+               /* Register the I2S character driver at "/dev/i2schar0" */
+
+               ret = i2schar_register(i2s, CONFIG_S5JT200_I2SCHAR_MINOR);
+               if (ret < 0) {
+                       auderr("ERROR: i2schar_register failed: %d\n", ret);
+                       return ret;
+               }
+
+               /* Now we are initialized */
+
+               initialized = true;
+       }
+
+       return OK;
+}
+
+#endif                                                 /* CONFIG_AUDIO_I2SCHAR && CONFIG_S5J_I2S */