Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / x86 / platform / intel-mid / device_libs / platform_msic_audio.c

diff --git a/kernel/arch/x86/platform/intel-mid/device_libs/platform_msic_audio.c b/kernel/arch/x86/platform/intel-mid/device_libs/platform_msic_audio.c
new file mode 100644 (file)
index 0000000..2962939
--- /dev/null
+++ b/kernel/arch/x86/platform/intel-mid/device_libs/platform_msic_audio.c
@@ -0,0 +1,47 @@
+/*
+ * platform_msic_audio.c: MSIC audio platform data initilization file
+ *
+ * (C) Copyright 2013 Intel Corporation
+ * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/scatterlist.h>
+#include <linux/init.h>
+#include <linux/sfi.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/intel_msic.h>
+#include <asm/intel-mid.h>
+
+#include "platform_msic.h"
+#include "platform_ipc.h"
+
+static void *msic_audio_platform_data(void *info)
+{
+       struct platform_device *pdev;
+
+       pdev = platform_device_register_simple("sst-platform", -1, NULL, 0);
+
+       if (IS_ERR(pdev)) {
+               pr_err("failed to create audio platform device\n");
+               return NULL;
+       }
+
+       return msic_generic_platform_data(info, INTEL_MSIC_BLOCK_AUDIO);
+}
+
+static const struct devs_id msic_audio_dev_id __initconst = {
+       .name = "msic_audio",
+       .type = SFI_DEV_TYPE_IPC,
+       .delay = 1,
+       .get_platform_data = &msic_audio_platform_data,
+       .device_handler = &ipc_device_handler,
+};
+
+sfi_device(msic_audio_dev_id);