--- arch/arm/mach-msm/qdsp5v2/audio_out.c
+++ arch/arm/mach-msm/qdsp5v2/audio_out.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2008 Google, Inc.
* Copyright (C) 2008 HTC Corporation
- * Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2009-2012, The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -43,7 +43,7 @@
#include <mach/qdsp5v2/audpp.h>
#include <mach/qdsp5v2/audio_dev_ctl.h>
#include <mach/msm_memtypes.h>
-
+#include <linux/ion.h>
#include <mach/htc_pwrsink.h>
#include <mach/debug_mm.h>
@@ -99,6 +99,8 @@ struct audio {
struct wake_lock idlelock;
struct audpp_cmd_cfg_object_params_volume vol_pan;
+ struct ion_client *client;
+ struct ion_handle *buff_handle;
};
static void audio_out_listener(u32 evt_id, union auddev_evt_data *evt_payload,
@@ -702,22 +704,53 @@ struct miscdevice audio_misc = {
static int __init audio_init(void)
{
- the_audio.phys = allocate_contiguous_ebi_nomap(DMASZ, SZ_4K);
- if (the_audio.phys) {
- the_audio.map_v_write = msm_subsystem_map_buffer(
- the_audio.phys, DMASZ,
- MSM_SUBSYSTEM_MAP_KADDR,
- NULL, 0);
- if (IS_ERR(the_audio.map_v_write)) {
- MM_ERR("could not map physical buffers\n");
- free_contiguous_memory_by_paddr(the_audio.phys);
- return -ENOMEM;
- }
- the_audio.data = the_audio.map_v_write->vaddr;
- } else {
- MM_ERR("could not allocate physical buffers\n");
- return -ENOMEM;
+ unsigned long ionflag = 0;
+ ion_phys_addr_t addr = 0;
+ int rc;
+ int len = 0;
+ struct ion_handle *handle = NULL;
+ struct ion_client *client = NULL;
+
+ client = msm_ion_client_create(UINT_MAX, "HostPCM");
+ if (IS_ERR_OR_NULL(client)) {
+ MM_ERR("Unable to create ION client\n");
+ rc = -ENOMEM;
+ goto client_create_error;
+ }
+ the_audio.client = client;
+
+ handle = ion_alloc(client, DMASZ, SZ_4K,
+ ION_HEAP(ION_AUDIO_HEAP_ID));
+ if (IS_ERR_OR_NULL(handle)) {
+ MM_ERR("Unable to create allocate O/P buffers\n");
+ rc = -ENOMEM;
+ goto buff_alloc_error;
}
+ the_audio.buff_handle = handle;
+
+ rc = ion_phys(client, handle, &addr, &len);
+ if (rc) {
+ MM_ERR("O/P buffers:Invalid phy: %x sz: %x\n",
+ (unsigned int) addr, (unsigned int) len);
+ goto buff_get_phys_error;
+ } else
+ MM_INFO("O/P buffers:valid phy: %x sz: %x\n",
+ (unsigned int) addr, (unsigned int) len);
+ the_audio.phys = (int32_t)addr;
+
+ rc = ion_handle_get_flags(client, handle, &ionflag);
+ if (rc) {
+ MM_ERR("could not get flags for the handle\n");
+ goto buff_get_flags_error;
+ }
+
+ the_audio.map_v_write = ion_map_kernel(client, handle, ionflag);
+ if (IS_ERR(the_audio.map_v_write)) {
+ MM_ERR("could not map write buffers\n");
+ rc = -ENOMEM;
+ goto buff_map_error;
+ }
+ the_audio.data = (char *)the_audio.map_v_write;
MM_DBG("Memory addr = 0x%8x phy addr = 0x%8x\n",\
(int) the_audio.data, (int) the_audio.phys);
mutex_init(&the_audio.lock);
@@ -727,6 +760,15 @@ static int __init audio_init(void)
wake_lock_init(&the_audio.wakelock, WAKE_LOCK_SUSPEND, "audio_pcm");
wake_lock_init(&the_audio.idlelock, WAKE_LOCK_IDLE, "audio_pcm_idle");
return misc_register(&audio_misc);
+buff_map_error:
+buff_get_phys_error:
+buff_get_flags_error:
+ ion_free(client, the_audio.buff_handle);
+buff_alloc_error:
+ ion_client_destroy(client);
+client_create_error:
+ return rc;
+
}
late_initcall(audio_init);
projects / ziggy471-sgs3-jb.git / blobdiff