Initial Contribution

msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/sound/soc/msm/qdsp6/q6adm.c b/sound/soc/msm/qdsp6/q6adm.c
new file mode 100644
index 0000000..65d1fbc
--- /dev/null
+++ b/sound/soc/msm/qdsp6/q6adm.c
@@ -0,0 +1,804 @@
+/* Copyright (c) 2010-2011, Code Aurora Forum. 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.
+ */
+
+#include <linux/slab.h>
+#include <linux/wait.h>
+#include <linux/sched.h>
+#include <linux/jiffies.h>
+#include <linux/uaccess.h>
+#include <linux/atomic.h>
+#include <linux/bitops.h>
+#include <mach/qdsp6v2/rtac.h>
+#include <mach/qdsp6v2/audio_acdb.h>
+#include <sound/apr_audio.h>
+#include <sound/q6afe.h>
+#include <mach/qdsp6v2/audio_dev_ctl.h>
+
+#define TIMEOUT_MS 1000
+#define AUDIO_RX 0x0
+#define AUDIO_TX 0x1
+#define ASM_MAX_SESSION 0x8 /* To do: define in a header */
+#define RESET_COPP_ID 99
+#define INVALID_COPP_ID 0xFF
+
+struct adm_ctl {
+	void *apr;
+	atomic_t copp_id[AFE_MAX_PORTS];
+	atomic_t copp_cnt[AFE_MAX_PORTS];
+	atomic_t copp_stat[AFE_MAX_PORTS];
+	unsigned long sessions[AFE_MAX_PORTS];
+	wait_queue_head_t wait;
+};
+
+static struct adm_ctl			this_adm;
+
+static int32_t adm_callback(struct apr_client_data *data, void *priv)
+{
+	uint32_t *payload;
+	int i, index;
+	payload = data->payload;
+
+	if (data->opcode == RESET_EVENTS) {
+		pr_debug("adm_callback: Reset event is received: %d %d apr[%p]\n",
+				data->reset_event, data->reset_proc,
+				this_adm.apr);
+		if (this_adm.apr) {
+			apr_reset(this_adm.apr);
+			for (i = 0; i < AFE_MAX_PORTS; i++) {
+				atomic_set(&this_adm.copp_id[i],
+							RESET_COPP_ID);
+				atomic_set(&this_adm.copp_cnt[i], 0);
+				atomic_set(&this_adm.copp_stat[i], 0);
+			}
+			this_adm.apr = NULL;
+		}
+		return 0;
+	}
+
+	pr_debug("%s: code = 0x%x %x %x size = %d\n", __func__,
+			data->opcode, payload[0], payload[1],
+					data->payload_size);
+
+	if (data->payload_size) {
+		index = afe_get_port_index(data->token);
+		pr_debug("%s: Port ID %d, index %d\n", __func__,
+			data->token, index);
+
+		if (data->opcode == APR_BASIC_RSP_RESULT) {
+			pr_debug("APR_BASIC_RSP_RESULT\n");
+			switch (payload[0]) {
+			case ADM_CMD_SET_PARAMS:
+#ifdef CONFIG_MSM8X60_RTAC
+				if (rtac_make_adm_callback(payload,
+						data->payload_size))
+					break;
+#endif
+			case ADM_CMD_COPP_CLOSE:
+			case ADM_CMD_MEMORY_MAP:
+			case ADM_CMD_MEMORY_UNMAP:
+			case ADM_CMD_MEMORY_MAP_REGIONS:
+			case ADM_CMD_MEMORY_UNMAP_REGIONS:
+			case ADM_CMD_MATRIX_MAP_ROUTINGS:
+				pr_debug("ADM_CMD_MATRIX_MAP_ROUTINGS\n");
+				atomic_set(&this_adm.copp_stat[index], 1);
+				wake_up(&this_adm.wait);
+				break;
+			default:
+				pr_err("%s: Unknown Cmd: 0x%x\n", __func__,
+								payload[0]);
+				break;
+			}
+			return 0;
+		}
+
+		switch (data->opcode) {
+		case ADM_CMDRSP_COPP_OPEN: {
+			struct adm_copp_open_respond *open = data->payload;
+			if (open->copp_id == INVALID_COPP_ID) {
+				pr_err("%s: invalid coppid rxed %d\n",
+					__func__, open->copp_id);
+				atomic_set(&this_adm.copp_stat[index], 1);
+				wake_up(&this_adm.wait);
+				break;
+			}
+			atomic_set(&this_adm.copp_id[index], open->copp_id);
+			atomic_set(&this_adm.copp_stat[index], 1);
+			pr_debug("%s: coppid rxed=%d\n", __func__,
+							open->copp_id);
+			wake_up(&this_adm.wait);
+			}
+			break;
+#ifdef CONFIG_MSM8X60_RTAC
+		case ADM_CMDRSP_GET_PARAMS:
+			pr_debug("ADM_CMDRSP_GET_PARAMS\n");
+			rtac_make_adm_callback(payload,
+				data->payload_size);
+			break;
+#endif
+		default:
+			pr_err("%s: Unknown cmd:0x%x\n", __func__,
+							data->opcode);
+			break;
+		}
+	}
+	return 0;
+}
+
+void send_cal(int port_id, struct acdb_cal_block *aud_cal)
+{
+	s32				result;
+	struct adm_set_params_command	adm_params;
+	int index = afe_get_port_index(port_id);
+
+	pr_debug("%s: Port id %d, index %d\n", __func__, port_id, index);
+
+	if (!aud_cal || aud_cal->cal_size == 0) {
+		pr_err("%s: No calibration data to send!\n", __func__);
+		goto done;
+	}
+
+	adm_params.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+		APR_HDR_LEN(20), APR_PKT_VER);
+	adm_params.hdr.pkt_size = APR_PKT_SIZE(APR_HDR_SIZE,
+		sizeof(adm_params));
+	adm_params.hdr.src_svc = APR_SVC_ADM;
+	adm_params.hdr.src_domain = APR_DOMAIN_APPS;
+	adm_params.hdr.src_port = port_id;
+	adm_params.hdr.dest_svc = APR_SVC_ADM;
+	adm_params.hdr.dest_domain = APR_DOMAIN_ADSP;
+	adm_params.hdr.dest_port = atomic_read(&this_adm.copp_id[index]);
+	adm_params.hdr.token = port_id;
+	adm_params.hdr.opcode = ADM_CMD_SET_PARAMS;
+	adm_params.payload = aud_cal->cal_paddr;
+	adm_params.payload_size = aud_cal->cal_size;
+
+	atomic_set(&this_adm.copp_stat[index], 0);
+	pr_debug("%s: Sending SET_PARAMS payload = 0x%x, size = %d\n",
+		__func__, adm_params.payload, adm_params.payload_size);
+	result = apr_send_pkt(this_adm.apr, (uint32_t *)&adm_params);
+	if (result < 0) {
+		pr_err("%s: Set params failed port = %d payload = 0x%x\n",
+			__func__, port_id, aud_cal->cal_paddr);
+		goto done;
+	}
+	/* Wait for the callback */
+	result = wait_event_timeout(this_adm.wait,
+		atomic_read(&this_adm.copp_stat[index]),
+		msecs_to_jiffies(TIMEOUT_MS));
+	if (!result)
+		pr_err("%s: Set params timed out port = %d, payload = 0x%x\n",
+			__func__, port_id, aud_cal->cal_paddr);
+done:
+	return;
+}
+
+void send_adm_cal(int port_id, int path)
+{
+	s32			acdb_path;
+	struct acdb_cal_block	aud_cal;
+
+	pr_debug("%s\n", __func__);
+
+	/* Maps audio_dev_ctrl path definition to ACDB definition */
+	acdb_path = path - 1;
+	if ((acdb_path >= NUM_AUDPROC_BUFFERS) ||
+		(acdb_path < 0)) {
+		pr_err("%s: Path is not RX or TX, path = %d\n",
+			__func__, path);
+		goto done;
+	}
+
+	pr_debug("%s: Sending audproc cal\n", __func__);
+	get_audproc_cal(acdb_path, &aud_cal);
+	send_cal(port_id, &aud_cal);
+
+	pr_debug("%s: Sending audvol cal\n", __func__);
+	get_audvol_cal(acdb_path, &aud_cal);
+	send_cal(port_id, &aud_cal);
+done:
+	return;
+}
+
+/* This function issues routing command of ASM stream
+ * to ADM mixer associated with a particular AFE port
+ */
+int adm_cmd_map(int port_id, int session_id)
+{
+	struct adm_routings_command route;
+	int ret = 0;
+	int index = afe_get_port_index(port_id);
+
+	pr_debug("%s: port %x session %x\n", __func__, port_id, session_id);
+
+	if (!atomic_read(&this_adm.copp_cnt[index]))
+		return 0;
+
+	route.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+				APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+	route.hdr.pkt_size = sizeof(route);
+	route.hdr.src_svc = 0;
+	route.hdr.src_domain = APR_DOMAIN_APPS;
+	route.hdr.src_port = port_id;
+	route.hdr.dest_svc = APR_SVC_ADM;
+	route.hdr.dest_domain = APR_DOMAIN_ADSP;
+	route.hdr.dest_port = atomic_read(&this_adm.copp_id[index]);
+	route.hdr.token = port_id;
+	route.hdr.opcode = ADM_CMD_MATRIX_MAP_ROUTINGS;
+	route.num_sessions = 1;
+	route.session[0].id = session_id;
+	route.session[0].num_copps = 1;
+	route.session[0].copp_id[0] =
+			atomic_read(&this_adm.copp_id[index]);
+
+	/* This rule can change */
+	if ((port_id & 0x1))
+		route.path = AUDIO_TX;
+	else
+		route.path = AUDIO_RX;
+
+	atomic_set(&this_adm.copp_stat[index], 0);
+
+	ret = apr_send_pkt(this_adm.apr, (uint32_t *)&route);
+	if (ret < 0) {
+		pr_err("%s: ADM routing for port %d failed\n",
+					__func__, port_id);
+		ret = -EINVAL;
+		goto fail_cmd;
+	}
+	ret = wait_event_timeout(this_adm.wait,
+				atomic_read(&this_adm.copp_stat[index]),
+				msecs_to_jiffies(TIMEOUT_MS));
+	if (!ret) {
+		pr_err("%s: ADM cmd Route failed for port %d\n",
+					__func__, port_id);
+		ret = -EINVAL;
+	}
+
+fail_cmd:
+	return ret;
+}
+
+/* This function establish routing of ASM stream to a particular
+ * ADM mixer that is routed to a particular hardware port
+ * session id must be in range of 0 ~ 31.
+ */
+int adm_route_session(int port_id, uint session_id, int set)
+{
+	int rc = 0;
+	int index;
+
+	pr_debug("%s: port %x session %x set %x\n", __func__,
+		port_id, session_id, set);
+
+	index = afe_get_port_index(port_id);
+
+	if (index >= AFE_MAX_PORTS) {
+		pr_err("%s port idi[%d] out of limit[%d]\n", __func__,
+						port_id, AFE_MAX_PORTS);
+		return -ENODEV;
+	}
+
+	if (set) {
+		set_bit(session_id, &this_adm.sessions[index]);
+		rc = adm_cmd_map(port_id, session_id); /* not thread safe */
+	} else /* Not sure how to deroute yet */
+		clear_bit(session_id, &this_adm.sessions[index]);
+
+	return rc;
+}
+
+/* This function instantiates a mixer in QDSP6 audio path for
+ * given audio hardware port. Topology should be made part
+ * of audio calibration
+ */
+int adm_open_mixer(int port_id, int path, int rate,
+	int channel_mode, int topology) {
+	struct adm_copp_open_command open;
+	int ret = 0;
+	u32 i;
+	int index;
+
+	pr_debug("%s: port %d path:%d rate:%d mode:%d\n", __func__,
+				port_id, path, rate, channel_mode);
+
+	if (afe_validate_port(port_id) < 0) {
+		pr_err("%s port idi[%d] is invalid\n", __func__, port_id);
+		return -ENODEV;
+	}
+
+	index = afe_get_port_index(port_id);
+	if (this_adm.apr == NULL) {
+		this_adm.apr = apr_register("ADSP", "ADM", adm_callback,
+						0xFFFFFFFF, &this_adm);
+		if (this_adm.apr == NULL) {
+			pr_err("%s: Unable to register ADM\n", __func__);
+			ret = -ENODEV;
+			return ret;
+		}
+	}
+
+	if (atomic_read(&this_adm.copp_cnt[index]) == 0) {
+
+		open.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+				APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+		open.hdr.pkt_size = sizeof(open);
+		open.hdr.src_svc = APR_SVC_ADM;
+		open.hdr.src_domain = APR_DOMAIN_APPS;
+		open.hdr.src_port = port_id;
+		open.hdr.dest_svc = APR_SVC_ADM;
+		open.hdr.dest_domain = APR_DOMAIN_ADSP;
+		open.hdr.dest_port = port_id;
+		open.hdr.token = port_id;
+		open.hdr.opcode = ADM_CMD_COPP_OPEN;
+
+		open.mode = path;
+		open.endpoint_id1 = port_id;
+		open.endpoint_id2 = 0xFFFF;
+
+		open.topology_id = get_adm_topology();
+		if (open.topology_id  == 0)
+			open.topology_id = topology;
+
+		open.channel_config = channel_mode & 0x00FF;
+		open.rate  = rate;
+
+		pr_debug("%s: channel_config=%d port_id=%d rate=%d\
+			topology_id=0x%X\n", __func__, open.channel_config,\
+			open.endpoint_id1, open.rate,\
+			open.topology_id);
+
+		atomic_set(&this_adm.copp_stat[index], 0);
+
+		ret = apr_send_pkt(this_adm.apr, (uint32_t *)&open);
+		if (ret < 0) {
+			pr_err("%s:ADM enable for port %d failed\n",
+						__func__, port_id);
+			ret = -EINVAL;
+			goto fail_cmd;
+		}
+		/* Wait for the callback with copp id */
+		ret = wait_event_timeout(this_adm.wait,
+			atomic_read(&this_adm.copp_stat[index]),
+			msecs_to_jiffies(TIMEOUT_MS));
+		if (!ret) {
+			pr_err("%s ADM open failed for port %d\n", __func__,
+								port_id);
+			ret = -EINVAL;
+			goto fail_cmd;
+		}
+	}
+	atomic_inc(&this_adm.copp_cnt[index]);
+
+	/* Set up routing for cached session */
+	for (i = find_first_bit(&this_adm.sessions[index], ASM_MAX_SESSION);
+	     i < ASM_MAX_SESSION; i = find_next_bit(&this_adm.sessions[index],
+	     ASM_MAX_SESSION, i + 1))
+		adm_cmd_map(port_id, i); /* Not thread safe */
+
+fail_cmd:
+	return ret;
+}
+
+int adm_open(int port_id, int path, int rate, int channel_mode, int topology)
+{
+	struct adm_copp_open_command	open;
+	int ret = 0;
+	int index;
+
+	pr_debug("%s: port %d path:%d rate:%d mode:%d\n", __func__,
+				port_id, path, rate, channel_mode);
+
+	if (afe_validate_port(port_id) < 0) {
+		pr_err("%s port idi[%d] is invalid\n", __func__, port_id);
+		return -ENODEV;
+	}
+
+	index = afe_get_port_index(port_id);
+	pr_debug("%s: Port ID %d, index %d\n", __func__, port_id, index);
+
+	if (this_adm.apr == NULL) {
+		this_adm.apr = apr_register("ADSP", "ADM", adm_callback,
+						0xFFFFFFFF, &this_adm);
+		if (this_adm.apr == NULL) {
+			pr_err("%s: Unable to register ADM\n", __func__);
+			ret = -ENODEV;
+			return ret;
+		}
+#ifdef CONFIG_MSM8X60_RTAC
+		rtac_set_adm_handle(this_adm.apr);
+#endif
+	}
+
+
+	/* Create a COPP if port id are not enabled */
+	if (atomic_read(&this_adm.copp_cnt[index]) == 0) {
+
+		open.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+				APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+		open.hdr.pkt_size = sizeof(open);
+		open.hdr.src_svc = APR_SVC_ADM;
+		open.hdr.src_domain = APR_DOMAIN_APPS;
+		open.hdr.src_port = port_id;
+		open.hdr.dest_svc = APR_SVC_ADM;
+		open.hdr.dest_domain = APR_DOMAIN_ADSP;
+		open.hdr.dest_port = port_id;
+		open.hdr.token = port_id;
+		open.hdr.opcode = ADM_CMD_COPP_OPEN;
+
+		open.mode = path;
+		open.endpoint_id1 = port_id;
+		open.endpoint_id2 = 0xFFFF;
+
+		open.topology_id = get_adm_topology();
+		if (open.topology_id  == 0)
+			open.topology_id = topology;
+
+		open.channel_config = channel_mode & 0x00FF;
+		open.rate  = rate;
+
+		pr_debug("%s: channel_config=%d port_id=%d rate=%d\
+			topology_id=0x%X\n", __func__, open.channel_config,\
+			open.endpoint_id1, open.rate,\
+			open.topology_id);
+
+		atomic_set(&this_adm.copp_stat[index], 0);
+
+		ret = apr_send_pkt(this_adm.apr, (uint32_t *)&open);
+		if (ret < 0) {
+			pr_err("%s:ADM enable for port %d failed\n",
+						__func__, port_id);
+			ret = -EINVAL;
+			goto fail_cmd;
+		}
+		/* Wait for the callback with copp id */
+		ret = wait_event_timeout(this_adm.wait,
+			atomic_read(&this_adm.copp_stat[index]),
+			msecs_to_jiffies(TIMEOUT_MS));
+		if (!ret) {
+			pr_err("%s ADM open failed for port %d\n", __func__,
+								port_id);
+			ret = -EINVAL;
+			goto fail_cmd;
+		}
+	}
+	atomic_inc(&this_adm.copp_cnt[index]);
+	return 0;
+
+fail_cmd:
+
+	return ret;
+}
+
+int adm_matrix_map(int session_id, int path, int num_copps,
+			unsigned int *port_id, int copp_id)
+{
+	struct adm_routings_command	route;
+	int ret = 0, i = 0;
+	/* Assumes port_ids have already been validated during adm_open */
+	int index = afe_get_port_index(copp_id);
+
+	pr_debug("%s: session 0x%x path:%d num_copps:%d port_id[0]:%d\n",
+		 __func__, session_id, path, num_copps, port_id[0]);
+
+	route.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+				APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+	route.hdr.pkt_size = sizeof(route);
+	route.hdr.src_svc = 0;
+	route.hdr.src_domain = APR_DOMAIN_APPS;
+	route.hdr.src_port = copp_id;
+	route.hdr.dest_svc = APR_SVC_ADM;
+	route.hdr.dest_domain = APR_DOMAIN_ADSP;
+	route.hdr.dest_port = atomic_read(&this_adm.copp_id[index]);
+	route.hdr.token = copp_id;
+	route.hdr.opcode = ADM_CMD_MATRIX_MAP_ROUTINGS;
+	route.num_sessions = 1;
+	route.session[0].id = session_id;
+	route.session[0].num_copps = num_copps;
+
+	for (i = 0; i < num_copps; i++) {
+		int tmp;
+		tmp = afe_get_port_index(port_id[i]);
+
+		pr_debug("%s: port_id[%d]: %d, index: %d\n", __func__, i,
+			 port_id[i], tmp);
+
+		route.session[0].copp_id[i] =
+					atomic_read(&this_adm.copp_id[tmp]);
+	}
+	if (num_copps % 2)
+		route.session[0].copp_id[i] = 0;
+
+	switch (path) {
+	case 0x1:
+		route.path = AUDIO_RX;
+		break;
+	case 0x2:
+	case 0x3:
+		route.path = AUDIO_TX;
+		break;
+	default:
+		pr_err("%s: Wrong path set[%d]\n", __func__, path);
+		break;
+	}
+	atomic_set(&this_adm.copp_stat[index], 0);
+
+	ret = apr_send_pkt(this_adm.apr, (uint32_t *)&route);
+	if (ret < 0) {
+		pr_err("%s: ADM routing for port %d failed\n",
+					__func__, port_id[0]);
+		ret = -EINVAL;
+		goto fail_cmd;
+	}
+	ret = wait_event_timeout(this_adm.wait,
+				atomic_read(&this_adm.copp_stat[index]),
+				msecs_to_jiffies(TIMEOUT_MS));
+	if (!ret) {
+		pr_err("%s: ADM cmd Route failed for port %d\n",
+					__func__, port_id[0]);
+		ret = -EINVAL;
+		goto fail_cmd;
+	}
+
+	for (i = 0; i < num_copps; i++)
+		send_adm_cal(port_id[i], path);
+
+#ifdef CONFIG_MSM8X60_RTAC
+	for (i = 0; i < num_copps; i++)
+		rtac_add_adm_device(port_id[i], session_id);
+#endif
+	return 0;
+
+fail_cmd:
+
+	return ret;
+}
+
+int adm_memory_map_regions(uint32_t *buf_add, uint32_t mempool_id,
+				uint32_t *bufsz, uint32_t bufcnt)
+{
+	struct  adm_cmd_memory_map_regions *mmap_regions = NULL;
+	struct  adm_memory_map_regions *mregions = NULL;
+	void    *mmap_region_cmd = NULL;
+	void    *payload = NULL;
+	int     ret = 0;
+	int     i = 0;
+	int     cmd_size = 0;
+
+	pr_info("%s\n", __func__);
+	if (this_adm.apr == NULL) {
+		this_adm.apr = apr_register("ADSP", "ADM", adm_callback,
+						0xFFFFFFFF, &this_adm);
+		if (this_adm.apr == NULL) {
+			pr_err("%s: Unable to register ADM\n", __func__);
+			ret = -ENODEV;
+			return ret;
+		}
+#ifdef CONFIG_MSM8X60_RTAC
+		rtac_set_adm_handle(this_adm.apr);
+#endif
+	}
+
+	cmd_size = sizeof(struct adm_cmd_memory_map_regions)
+			+ sizeof(struct adm_memory_map_regions) * bufcnt;
+
+	mmap_region_cmd = kzalloc(cmd_size, GFP_KERNEL);
+	if (!mmap_region_cmd) {
+		pr_err("%s: allocate mmap_region_cmd failed\n", __func__);
+		return -ENOMEM;
+	}
+	mmap_regions = (struct adm_cmd_memory_map_regions *)mmap_region_cmd;
+	mmap_regions->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+						APR_HDR_LEN(APR_HDR_SIZE),
+								APR_PKT_VER);
+	mmap_regions->hdr.pkt_size = cmd_size;
+	mmap_regions->hdr.src_port = 0;
+	mmap_regions->hdr.dest_port = 0;
+	mmap_regions->hdr.token = 0;
+	mmap_regions->hdr.opcode = ADM_CMD_MEMORY_MAP_REGIONS;
+	mmap_regions->mempool_id = mempool_id & 0x00ff;
+	mmap_regions->nregions = bufcnt & 0x00ff;
+	pr_debug("%s: map_regions->nregions = %d\n", __func__,
+				mmap_regions->nregions);
+	payload = ((u8 *) mmap_region_cmd +
+				sizeof(struct adm_cmd_memory_map_regions));
+	mregions = (struct adm_memory_map_regions *)payload;
+
+	for (i = 0; i < bufcnt; i++) {
+		mregions->phys = buf_add[i];
+		mregions->buf_size = bufsz[i];
+		++mregions;
+	}
+
+	atomic_set(&this_adm.copp_stat[0], 0);
+	ret = apr_send_pkt(this_adm.apr, (uint32_t *) mmap_region_cmd);
+	if (ret < 0) {
+		pr_err("%s: mmap_regions op[0x%x]rc[%d]\n", __func__,
+					mmap_regions->hdr.opcode, ret);
+		ret = -EINVAL;
+		goto fail_cmd;
+	}
+
+	ret = wait_event_timeout(this_adm.wait,
+			atomic_read(&this_adm.copp_stat[0]), 5 * HZ);
+	if (!ret) {
+		pr_err("%s: timeout. waited for memory_map\n", __func__);
+		ret = -EINVAL;
+		goto fail_cmd;
+	}
+fail_cmd:
+	kfree(mmap_region_cmd);
+	return ret;
+}
+
+int adm_memory_unmap_regions(uint32_t *buf_add, uint32_t *bufsz,
+						uint32_t bufcnt)
+{
+	struct  adm_cmd_memory_unmap_regions *unmap_regions = NULL;
+	struct  adm_memory_unmap_regions *mregions = NULL;
+	void    *unmap_region_cmd = NULL;
+	void    *payload = NULL;
+	int     ret = 0;
+	int     i = 0;
+	int     cmd_size = 0;
+
+	pr_info("%s\n", __func__);
+
+	if (this_adm.apr == NULL) {
+		pr_err("%s APR handle NULL\n", __func__);
+		return -EINVAL;
+	}
+
+	cmd_size = sizeof(struct adm_cmd_memory_unmap_regions)
+			+ sizeof(struct adm_memory_unmap_regions) * bufcnt;
+
+	unmap_region_cmd = kzalloc(cmd_size, GFP_KERNEL);
+	if (!unmap_region_cmd) {
+		pr_err("%s: allocate unmap_region_cmd failed\n", __func__);
+		return -ENOMEM;
+	}
+	unmap_regions = (struct adm_cmd_memory_unmap_regions *)
+						unmap_region_cmd;
+	unmap_regions->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+						APR_HDR_LEN(APR_HDR_SIZE),
+							APR_PKT_VER);
+	unmap_regions->hdr.pkt_size = cmd_size;
+	unmap_regions->hdr.src_port = 0;
+	unmap_regions->hdr.dest_port = 0;
+	unmap_regions->hdr.token = 0;
+	unmap_regions->hdr.opcode = ADM_CMD_MEMORY_UNMAP_REGIONS;
+	unmap_regions->nregions = bufcnt & 0x00ff;
+	unmap_regions->reserved = 0;
+	pr_debug("%s: unmap_regions->nregions = %d\n", __func__,
+				unmap_regions->nregions);
+	payload = ((u8 *) unmap_region_cmd +
+			sizeof(struct adm_cmd_memory_unmap_regions));
+	mregions = (struct adm_memory_unmap_regions *)payload;
+
+	for (i = 0; i < bufcnt; i++) {
+		mregions->phys = buf_add[i];
+		++mregions;
+	}
+	atomic_set(&this_adm.copp_stat[0], 0);
+	ret = apr_send_pkt(this_adm.apr, (uint32_t *) unmap_region_cmd);
+	if (ret < 0) {
+		pr_err("%s: mmap_regions op[0x%x]rc[%d]\n", __func__,
+				unmap_regions->hdr.opcode, ret);
+		ret = -EINVAL;
+		goto fail_cmd;
+	}
+
+	ret = wait_event_timeout(this_adm.wait,
+			atomic_read(&this_adm.copp_stat[0]), 5 * HZ);
+	if (!ret) {
+		pr_err("%s: timeout. waited for memory_unmap\n", __func__);
+		ret = -EINVAL;
+		goto fail_cmd;
+	}
+fail_cmd:
+	kfree(unmap_region_cmd);
+	return ret;
+}
+
+#ifdef CONFIG_MSM8X60_RTAC
+int adm_get_copp_id(int port_id)
+{
+	pr_debug("%s\n", __func__);
+
+	if (port_id < 0) {
+		pr_err("%s: invalid port_id = %d\n", __func__, port_id);
+		return -EINVAL;
+	}
+
+	return atomic_read(&this_adm.copp_id[port_id]);
+}
+#endif
+
+int adm_close(int port_id)
+{
+	struct apr_hdr close;
+
+	int ret = 0;
+	int index = afe_get_port_index(port_id);
+
+	pr_info("%s port_id=%d index %d\n", __func__, port_id, index);
+
+	if (!(atomic_read(&this_adm.copp_cnt[index]))) {
+		pr_err("%s: copp count for port[%d]is 0\n", __func__, port_id);
+
+		goto fail_cmd;
+	}
+	atomic_dec(&this_adm.copp_cnt[index]);
+	if (!(atomic_read(&this_adm.copp_cnt[index]))) {
+
+		close.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+			APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+		close.pkt_size = sizeof(close);
+		close.src_svc = APR_SVC_ADM;
+		close.src_domain = APR_DOMAIN_APPS;
+		close.src_port = port_id;
+		close.dest_svc = APR_SVC_ADM;
+		close.dest_domain = APR_DOMAIN_ADSP;
+		close.dest_port = atomic_read(&this_adm.copp_id[index]);
+		close.token = port_id;
+		close.opcode = ADM_CMD_COPP_CLOSE;
+
+		atomic_set(&this_adm.copp_id[index], RESET_COPP_ID);
+		atomic_set(&this_adm.copp_stat[index], 0);
+
+
+		pr_debug("%s:coppid %d portid=%d index=%d coppcnt=%d\n",
+				__func__,
+				atomic_read(&this_adm.copp_id[index]),
+				port_id, index,
+				atomic_read(&this_adm.copp_cnt[index]));
+
+		ret = apr_send_pkt(this_adm.apr, (uint32_t *)&close);
+		if (ret < 0) {
+			pr_err("%s ADM close failed\n", __func__);
+			ret = -EINVAL;
+			goto fail_cmd;
+		}
+
+		ret = wait_event_timeout(this_adm.wait,
+				atomic_read(&this_adm.copp_stat[index]),
+				msecs_to_jiffies(TIMEOUT_MS));
+		if (!ret) {
+			pr_err("%s: ADM cmd Route failed for port %d\n",
+						__func__, port_id);
+			ret = -EINVAL;
+			goto fail_cmd;
+		}
+
+#ifdef CONFIG_MSM8X60_RTAC
+		rtac_remove_adm_device(port_id);
+#endif
+	}
+
+fail_cmd:
+	return ret;
+}
+
+static int __init adm_init(void)
+{
+	int i = 0;
+	init_waitqueue_head(&this_adm.wait);
+	this_adm.apr = NULL;
+
+	for (i = 0; i < AFE_MAX_PORTS; i++) {
+		atomic_set(&this_adm.copp_id[i], RESET_COPP_ID);
+		atomic_set(&this_adm.copp_cnt[i], 0);
+		atomic_set(&this_adm.copp_stat[i], 0);
+	}
+	return 0;
+}
+
+device_initcall(adm_init);