ASoC: msm: Add Audio drivers for MSM targets

Add snapshot for audio drivers for MSM targets. The code is
migrated from msm-3.18 kernel at the below commit/AU level -

AU_LINUX_ANDROID_LA.HB.1.3.1.06.00.00.187.056
(e70ad0cd5efdd9dc91a77dcdac31d6132e1315c1)
(Promotion of kernel.lnx.3.18-151201.)

Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/include/linux/msm_audio_ion.h b/include/linux/msm_audio_ion.h
new file mode 100644
index 000000000000..1dda6fd32dad
--- /dev/null
+++ b/include/linux/msm_audio_ion.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _LINUX_MSM_AUDIO_ION_H
+#define _LINUX_MSM_AUDIO_ION_H
+#include <sound/q6asm-v2.h>
+#include <sound/pcm.h>
+#include <linux/msm_ion.h>
+
+
+int msm_audio_ion_alloc(const char *name, struct ion_client **client,
+			struct ion_handle **handle, size_t bufsz,
+			ion_phys_addr_t *paddr, size_t *pa_len, void **vaddr);
+
+int msm_audio_ion_import(const char *name, struct ion_client **client,
+			struct ion_handle **handle, int fd,
+			unsigned long *ionflag, size_t bufsz,
+			ion_phys_addr_t *paddr, size_t *pa_len, void **vaddr);
+int msm_audio_ion_free(struct ion_client *client, struct ion_handle *handle);
+int msm_audio_ion_mmap(struct audio_buffer *substream,
+		       struct vm_area_struct *vma);
+
+bool msm_audio_ion_is_smmu_available(void);
+int msm_audio_ion_cache_operations(struct audio_buffer *abuff, int cache_op);
+
+struct ion_client *msm_audio_ion_client_create(const char *name);
+void msm_audio_ion_client_destroy(struct ion_client *client);
+int msm_audio_ion_import_legacy(const char *name, struct ion_client *client,
+			struct ion_handle **handle, int fd,
+			unsigned long *ionflag, size_t bufsz,
+			ion_phys_addr_t *paddr, size_t *pa_len, void **vaddr);
+int msm_audio_ion_free_legacy(struct ion_client *client,
+			struct ion_handle *handle);
+u32 populate_upper_32_bits(ion_phys_addr_t pa);
+#endif /* _LINUX_MSM_AUDIO_ION_H */