Merge "drivers: soc: Clean up voice_svc on kernel 4.9" into msm-4.9
diff --git a/drivers/soc/qcom/qdsp6v2/Makefile b/drivers/soc/qcom/qdsp6v2/Makefile
index 8c5b0d0..b2cf03c 100644
--- a/drivers/soc/qcom/qdsp6v2/Makefile
+++ b/drivers/soc/qcom/qdsp6v2/Makefile
@@ -1,7 +1,7 @@
-obj-$(CONFIG_MSM_QDSP6_APRV2) += apr.o apr_v2.o apr_tal.o voice_svc.o
-obj-$(CONFIG_MSM_QDSP6_APRV3) += apr.o apr_v3.o apr_tal.o voice_svc.o
-obj-$(CONFIG_MSM_QDSP6_APRV2_GLINK) += apr.o apr_v2.o apr_tal_glink.o voice_svc.o
-obj-$(CONFIG_MSM_QDSP6_APRV3_GLINK) += apr.o apr_v3.o apr_tal_glink.o voice_svc.o
+obj-$(CONFIG_MSM_QDSP6_APRV2) += apr.o apr_v2.o apr_tal.o
+obj-$(CONFIG_MSM_QDSP6_APRV3) += apr.o apr_v3.o apr_tal.o
+obj-$(CONFIG_MSM_QDSP6_APRV2_GLINK) += apr.o apr_v2.o apr_tal_glink.o
+obj-$(CONFIG_MSM_QDSP6_APRV3_GLINK) += apr.o apr_v3.o apr_tal_glink.o
obj-$(CONFIG_SND_SOC_MSM_QDSP6V2_INTF) += msm_audio_ion.o
obj-$(CONFIG_MSM_ADSP_LOADER) += adsp-loader.o
obj-$(CONFIG_MSM_QDSP6_SSR) += audio_ssr.o
diff --git a/drivers/soc/qcom/qdsp6v2/voice_svc.c b/drivers/soc/qcom/qdsp6v2/voice_svc.c
deleted file mode 100644
index f3b1b83..0000000
--- a/drivers/soc/qcom/qdsp6v2/voice_svc.c
+++ /dev/null
@@ -1,837 +0,0 @@
-/* Copyright (c) 2014-2017, 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.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/uaccess.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/cdev.h>
-#include <linux/qdsp6v2/apr_tal.h>
-#include <linux/qdsp6v2/apr.h>
-#include <sound/voice_svc.h>
-
-#define MINOR_NUMBER 1
-#define APR_MAX_RESPONSE 10
-#define TIMEOUT_MS 1000
-
-#define MAX(a, b) ((a) >= (b) ? (a) : (b))
-
-struct voice_svc_device {
- struct cdev *cdev;
- struct device *dev;
- int major;
-};
-
-struct voice_svc_prvt {
- void *apr_q6_mvm;
- void *apr_q6_cvs;
- uint16_t response_count;
- struct list_head response_queue;
- wait_queue_head_t response_wait;
- spinlock_t response_lock;
- /*
- * This mutex ensures responses are processed in sequential order and
- * that no two threads access and free the same response at the same
- * time.
- */
- struct mutex response_mutex_lock;
-};
-
-struct apr_data {
- struct apr_hdr hdr;
- __u8 payload[0];
-} __packed;
-
-struct apr_response_list {
- struct list_head list;
- struct voice_svc_cmd_response resp;
-};
-
-static struct voice_svc_device *voice_svc_dev;
-static struct class *voice_svc_class;
-static bool reg_dummy_sess;
-static void *dummy_q6_mvm;
-static void *dummy_q6_cvs;
-dev_t device_num;
-
-static int voice_svc_dummy_reg(void);
-static int32_t qdsp_dummy_apr_callback(struct apr_client_data *data,
- void *priv);
-
-static int32_t qdsp_apr_callback(struct apr_client_data *data, void *priv)
-{
- struct voice_svc_prvt *prtd;
- struct apr_response_list *response_list;
- unsigned long spin_flags;
-
- if ((data == NULL) || (priv == NULL)) {
- pr_err("%s: data or priv is NULL\n", __func__);
-
- return -EINVAL;
- }
-
- prtd = (struct voice_svc_prvt *)priv;
- if (prtd == NULL) {
- pr_err("%s: private data is NULL\n", __func__);
-
- return -EINVAL;
- }
-
- pr_debug("%s: data->opcode %x\n", __func__,
- data->opcode);
-
- if (data->opcode == RESET_EVENTS) {
- if (data->reset_proc == APR_DEST_QDSP6) {
- pr_debug("%s: Received ADSP reset event\n", __func__);
-
- if (prtd->apr_q6_mvm != NULL) {
- apr_reset(prtd->apr_q6_mvm);
- prtd->apr_q6_mvm = NULL;
- }
-
- if (prtd->apr_q6_cvs != NULL) {
- apr_reset(prtd->apr_q6_cvs);
- prtd->apr_q6_cvs = NULL;
- }
- } else if (data->reset_proc == APR_DEST_MODEM) {
- pr_debug("%s: Received Modem reset event\n", __func__);
- }
- /* Set the remaining member variables to default values
- * for RESET_EVENTS
- */
- data->payload_size = 0;
- data->payload = NULL;
- data->src_port = 0;
- data->dest_port = 0;
- data->token = 0;
- }
-
- spin_lock_irqsave(&prtd->response_lock, spin_flags);
-
- if (prtd->response_count < APR_MAX_RESPONSE) {
- response_list = kmalloc(sizeof(struct apr_response_list) +
- data->payload_size, GFP_ATOMIC);
- if (response_list == NULL) {
- spin_unlock_irqrestore(&prtd->response_lock,
- spin_flags);
- return -ENOMEM;
- }
-
- response_list->resp.src_port = data->src_port;
-
- /* Reverting the bit manipulation done in voice_svc_update_hdr
- * to the src_port which is returned to us as dest_port.
- */
- response_list->resp.dest_port = ((data->dest_port) >> 8);
- response_list->resp.token = data->token;
- response_list->resp.opcode = data->opcode;
- response_list->resp.payload_size = data->payload_size;
- if (data->payload != NULL && data->payload_size > 0) {
- memcpy(response_list->resp.payload, data->payload,
- data->payload_size);
- }
-
- list_add_tail(&response_list->list, &prtd->response_queue);
- prtd->response_count++;
- spin_unlock_irqrestore(&prtd->response_lock, spin_flags);
-
- wake_up(&prtd->response_wait);
- } else {
- spin_unlock_irqrestore(&prtd->response_lock, spin_flags);
- pr_err("%s: Response dropped since the queue is full\n",
- __func__);
- }
-
- return 0;
-}
-
-static int32_t qdsp_dummy_apr_callback(struct apr_client_data *data, void *priv)
-{
- /* Do Nothing */
- return 0;
-}
-
-static void voice_svc_update_hdr(struct voice_svc_cmd_request *apr_req_data,
- struct apr_data *aprdata)
-{
-
- aprdata->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
- APR_HDR_LEN(sizeof(struct apr_hdr)),
- APR_PKT_VER);
- /* Bit manipulation is done on src_port so that a unique ID is sent.
- * This manipulation can be used in the future where the same service
- * is tried to open multiple times with the same src_port. At that
- * time 0x0001 can be replaced with other values depending on the
- * count.
- */
- aprdata->hdr.src_port = ((apr_req_data->src_port) << 8 | 0x0001);
- aprdata->hdr.dest_port = apr_req_data->dest_port;
- aprdata->hdr.token = apr_req_data->token;
- aprdata->hdr.opcode = apr_req_data->opcode;
- aprdata->hdr.pkt_size = APR_PKT_SIZE(APR_HDR_SIZE,
- apr_req_data->payload_size);
- memcpy(aprdata->payload, apr_req_data->payload,
- apr_req_data->payload_size);
-}
-
-static int voice_svc_send_req(struct voice_svc_cmd_request *apr_request,
- struct voice_svc_prvt *prtd)
-{
- int ret = 0;
- void *apr_handle = NULL;
- struct apr_data *aprdata = NULL;
- uint32_t user_payload_size;
- uint32_t payload_size;
-
- pr_debug("%s\n", __func__);
-
- if (apr_request == NULL) {
- pr_err("%s: apr_request is NULL\n", __func__);
-
- ret = -EINVAL;
- goto done;
- }
-
- user_payload_size = apr_request->payload_size;
- payload_size = sizeof(struct apr_data) + user_payload_size;
-
- if (payload_size <= user_payload_size) {
- pr_err("%s: invalid payload size ( 0x%x ).\n",
- __func__, user_payload_size);
- ret = -EINVAL;
- goto done;
- } else {
- aprdata = kmalloc(payload_size, GFP_KERNEL);
- if (aprdata == NULL) {
- ret = -ENOMEM;
- goto done;
- }
- }
-
- voice_svc_update_hdr(apr_request, aprdata);
-
- if (!strcmp(apr_request->svc_name, VOICE_SVC_CVS_STR)) {
- apr_handle = prtd->apr_q6_cvs;
- } else if (!strcmp(apr_request->svc_name, VOICE_SVC_MVM_STR)) {
- apr_handle = prtd->apr_q6_mvm;
- } else {
- pr_err("%s: Invalid service %.*s\n", __func__,
- MAX_APR_SERVICE_NAME_LEN, apr_request->svc_name);
-
- ret = -EINVAL;
- goto done;
- }
-
- ret = apr_send_pkt(apr_handle, (uint32_t *)aprdata);
-
- if (ret < 0) {
- pr_err("%s: Fail in sending request %d\n",
- __func__, ret);
- ret = -EINVAL;
- } else {
- pr_debug("%s: apr packet sent successfully %d\n",
- __func__, ret);
- ret = 0;
- }
-
-done:
- kfree(aprdata);
- return ret;
-}
-static int voice_svc_reg(char *svc, uint32_t src_port,
- struct voice_svc_prvt *prtd, void **handle)
-{
- int ret = 0;
-
- pr_debug("%s\n", __func__);
-
- if (handle == NULL) {
- pr_err("%s: handle is NULL\n", __func__);
- ret = -EINVAL;
- goto done;
- }
-
- if (*handle != NULL) {
- pr_err("%s: svc handle not NULL\n", __func__);
- ret = -EINVAL;
- goto done;
- }
-
- if (src_port == (APR_MAX_PORTS - 1)) {
- pr_err("%s: SRC port reserved for dummy session\n", __func__);
- pr_err("%s: Unable to register %s\n", __func__, svc);
- ret = -EINVAL;
- goto done;
- }
-
- *handle = apr_register("ADSP",
- svc, qdsp_apr_callback,
- ((src_port) << 8 | 0x0001),
- prtd);
-
- if (*handle == NULL) {
- pr_err("%s: Unable to register %s\n",
- __func__, svc);
-
- ret = -EFAULT;
- goto done;
- }
- pr_debug("%s: Register %s successful\n",
- __func__, svc);
-done:
- return ret;
-}
-
-static int voice_svc_dereg(char *svc, void **handle)
-{
- int ret = 0;
-
- pr_debug("%s\n", __func__);
-
- if (handle == NULL) {
- pr_err("%s: handle is NULL\n", __func__);
- ret = -EINVAL;
- goto done;
- }
-
- if (*handle == NULL) {
- pr_err("%s: svc handle is NULL\n", __func__);
- ret = -EINVAL;
- goto done;
- }
-
- ret = apr_deregister(*handle);
- if (ret) {
- pr_err("%s: Unable to deregister service %s; error: %d\n",
- __func__, svc, ret);
-
- goto done;
- }
- *handle = NULL;
- pr_debug("%s: deregister %s successful\n", __func__, svc);
-
-done:
- return ret;
-}
-
-static int process_reg_cmd(struct voice_svc_register *apr_reg_svc,
- struct voice_svc_prvt *prtd)
-{
- int ret = 0;
- char *svc = NULL;
- void **handle = NULL;
-
- pr_debug("%s\n", __func__);
-
- if (!strcmp(apr_reg_svc->svc_name, VOICE_SVC_MVM_STR)) {
- svc = VOICE_SVC_MVM_STR;
- handle = &prtd->apr_q6_mvm;
- } else if (!strcmp(apr_reg_svc->svc_name, VOICE_SVC_CVS_STR)) {
- svc = VOICE_SVC_CVS_STR;
- handle = &prtd->apr_q6_cvs;
- } else {
- pr_err("%s: Invalid Service: %.*s\n", __func__,
- MAX_APR_SERVICE_NAME_LEN, apr_reg_svc->svc_name);
- ret = -EINVAL;
- goto done;
- }
-
- if (apr_reg_svc->reg_flag) {
- ret = voice_svc_reg(svc, apr_reg_svc->src_port, prtd,
- handle);
- } else if (!apr_reg_svc->reg_flag) {
- ret = voice_svc_dereg(svc, handle);
- }
-
-done:
- return ret;
-}
-
-static ssize_t voice_svc_write(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
-{
- int ret = 0;
- struct voice_svc_prvt *prtd;
- struct voice_svc_write_msg *data = NULL;
- uint32_t cmd;
- struct voice_svc_register *register_data = NULL;
- struct voice_svc_cmd_request *request_data = NULL;
- uint32_t request_payload_size;
-
- pr_debug("%s\n", __func__);
-
- /*
- * Check if enough memory is allocated to parse the message type.
- * Will check there is enough to hold the payload later.
- */
- if (count >= sizeof(struct voice_svc_write_msg)) {
- data = kmalloc(count, GFP_KERNEL);
- } else {
- pr_debug("%s: invalid data size\n", __func__);
- ret = -EINVAL;
- goto done;
- }
-
- if (data == NULL) {
- pr_err("%s: data kmalloc failed.\n", __func__);
-
- ret = -ENOMEM;
- goto done;
- }
-
- ret = copy_from_user(data, buf, count);
- if (ret) {
- pr_err("%s: copy_from_user failed %d\n", __func__, ret);
-
- ret = -EPERM;
- goto done;
- }
-
- cmd = data->msg_type;
- prtd = (struct voice_svc_prvt *) file->private_data;
- if (prtd == NULL) {
- pr_err("%s: prtd is NULL\n", __func__);
-
- ret = -EINVAL;
- goto done;
- }
-
- switch (cmd) {
- case MSG_REGISTER:
- /*
- * Check that count reflects the expected size to ensure
- * sufficient memory was allocated. Since voice_svc_register
- * has a static size, this should be exact.
- */
- if (count == (sizeof(struct voice_svc_write_msg) +
- sizeof(struct voice_svc_register))) {
- register_data =
- (struct voice_svc_register *)data->payload;
- if (register_data == NULL) {
- pr_err("%s: register data is NULL", __func__);
- ret = -EINVAL;
- goto done;
- }
- ret = process_reg_cmd(register_data, prtd);
- if (!ret)
- ret = count;
- } else {
- pr_err("%s: invalid data payload size for register command\n",
- __func__);
- ret = -EINVAL;
- goto done;
- }
- break;
- case MSG_REQUEST:
- /*
- * Check that count reflects the expected size to ensure
- * sufficient memory was allocated. Since voice_svc_cmd_request
- * has a variable size, check the minimum value count must be to
- * parse the message request then check the minimum size to hold
- * the payload of the message request.
- */
- if (count >= (sizeof(struct voice_svc_write_msg) +
- sizeof(struct voice_svc_cmd_request))) {
- request_data =
- (struct voice_svc_cmd_request *)data->payload;
- if (request_data == NULL) {
- pr_err("%s: request data is NULL", __func__);
- ret = -EINVAL;
- goto done;
- }
-
- request_payload_size = request_data->payload_size;
-
- if (count >= (sizeof(struct voice_svc_write_msg) +
- sizeof(struct voice_svc_cmd_request) +
- request_payload_size)) {
- ret = voice_svc_send_req(request_data, prtd);
- if (!ret)
- ret = count;
- } else {
- pr_err("%s: invalid request payload size\n",
- __func__);
- ret = -EINVAL;
- goto done;
- }
- } else {
- pr_err("%s: invalid data payload size for request command\n",
- __func__);
- ret = -EINVAL;
- goto done;
- }
- break;
- default:
- pr_debug("%s: Invalid command: %u\n", __func__, cmd);
- ret = -EINVAL;
- }
-
-done:
- kfree(data);
- return ret;
-}
-
-static ssize_t voice_svc_read(struct file *file, char __user *arg,
- size_t count, loff_t *ppos)
-{
- int ret = 0;
- struct voice_svc_prvt *prtd;
- struct apr_response_list *resp;
- unsigned long spin_flags;
- int size;
-
- pr_debug("%s\n", __func__);
-
- prtd = (struct voice_svc_prvt *)file->private_data;
- if (prtd == NULL) {
- pr_err("%s: prtd is NULL\n", __func__);
-
- ret = -EINVAL;
- goto done;
- }
-
- mutex_lock(&prtd->response_mutex_lock);
- spin_lock_irqsave(&prtd->response_lock, spin_flags);
-
- if (list_empty(&prtd->response_queue)) {
- spin_unlock_irqrestore(&prtd->response_lock, spin_flags);
- pr_debug("%s: wait for a response\n", __func__);
-
- ret = wait_event_interruptible_timeout(prtd->response_wait,
- !list_empty(&prtd->response_queue),
- msecs_to_jiffies(TIMEOUT_MS));
- if (ret == 0) {
- pr_debug("%s: Read timeout\n", __func__);
-
- ret = -ETIMEDOUT;
- goto unlock;
- } else if (ret > 0 && !list_empty(&prtd->response_queue)) {
- pr_debug("%s: Interrupt received for response\n",
- __func__);
- } else if (ret < 0) {
- pr_debug("%s: Interrupted by SIGNAL %d\n",
- __func__, ret);
-
- goto unlock;
- }
-
- spin_lock_irqsave(&prtd->response_lock, spin_flags);
- }
-
- resp = list_first_entry(&prtd->response_queue,
- struct apr_response_list, list);
-
- spin_unlock_irqrestore(&prtd->response_lock, spin_flags);
-
- size = resp->resp.payload_size +
- sizeof(struct voice_svc_cmd_response);
-
- if (count < size) {
- pr_err("%s: Invalid payload size %zd, %d\n",
- __func__, count, size);
-
- ret = -ENOMEM;
- goto unlock;
- }
-
- if (!access_ok(VERIFY_WRITE, arg, size)) {
- pr_err("%s: Access denied to write\n",
- __func__);
-
- ret = -EPERM;
- goto unlock;
- }
-
- ret = copy_to_user(arg, &resp->resp,
- sizeof(struct voice_svc_cmd_response) +
- resp->resp.payload_size);
- if (ret) {
- pr_err("%s: copy_to_user failed %d\n", __func__, ret);
-
- ret = -EPERM;
- goto unlock;
- }
-
- spin_lock_irqsave(&prtd->response_lock, spin_flags);
-
- list_del(&resp->list);
- prtd->response_count--;
- kfree(resp);
-
- spin_unlock_irqrestore(&prtd->response_lock,
- spin_flags);
-
- ret = count;
-
-unlock:
- mutex_unlock(&prtd->response_mutex_lock);
-done:
- return ret;
-}
-
-static int voice_svc_dummy_reg(void)
-{
- uint32_t src_port = APR_MAX_PORTS - 1;
-
- pr_debug("%s\n", __func__);
- dummy_q6_mvm = apr_register("ADSP", "MVM",
- qdsp_dummy_apr_callback,
- src_port,
- NULL);
- if (dummy_q6_mvm == NULL) {
- pr_err("%s: Unable to register dummy MVM\n", __func__);
- goto err;
- }
-
- dummy_q6_cvs = apr_register("ADSP", "CVS",
- qdsp_dummy_apr_callback,
- src_port,
- NULL);
- if (dummy_q6_cvs == NULL) {
- pr_err("%s: Unable to register dummy CVS\n", __func__);
- goto err;
- }
- return 0;
-err:
- if (dummy_q6_mvm != NULL) {
- apr_deregister(dummy_q6_mvm);
- dummy_q6_mvm = NULL;
- }
- return -EINVAL;
-}
-
-static int voice_svc_open(struct inode *inode, struct file *file)
-{
- struct voice_svc_prvt *prtd = NULL;
-
- pr_debug("%s\n", __func__);
-
- prtd = kmalloc(sizeof(struct voice_svc_prvt), GFP_KERNEL);
-
- if (prtd == NULL)
- return -ENOMEM;
-
- memset(prtd, 0, sizeof(struct voice_svc_prvt));
- prtd->apr_q6_cvs = NULL;
- prtd->apr_q6_mvm = NULL;
- prtd->response_count = 0;
- INIT_LIST_HEAD(&prtd->response_queue);
- init_waitqueue_head(&prtd->response_wait);
- spin_lock_init(&prtd->response_lock);
- mutex_init(&prtd->response_mutex_lock);
- file->private_data = (void *)prtd;
-
- /* Current APR implementation doesn't support session based
- * multiple service registrations. The apr_deregister()
- * function sets the destination and client IDs to zero, if
- * deregister is called for a single service instance.
- * To avoid this, register for additional services.
- */
- if (!reg_dummy_sess) {
- voice_svc_dummy_reg();
- reg_dummy_sess = 1;
- }
- return 0;
-}
-
-static int voice_svc_release(struct inode *inode, struct file *file)
-{
- int ret = 0;
- struct apr_response_list *resp = NULL;
- unsigned long spin_flags;
- struct voice_svc_prvt *prtd = NULL;
- char *svc_name = NULL;
- void **handle = NULL;
-
- pr_debug("%s\n", __func__);
-
- prtd = (struct voice_svc_prvt *)file->private_data;
- if (prtd == NULL) {
- pr_err("%s: prtd is NULL\n", __func__);
-
- ret = -EINVAL;
- goto done;
- }
-
- if (prtd->apr_q6_cvs != NULL) {
- svc_name = VOICE_SVC_MVM_STR;
- handle = &prtd->apr_q6_cvs;
- ret = voice_svc_dereg(svc_name, handle);
- if (ret)
- pr_err("%s: Failed to dereg CVS %d\n", __func__, ret);
- }
-
- if (prtd->apr_q6_mvm != NULL) {
- svc_name = VOICE_SVC_MVM_STR;
- handle = &prtd->apr_q6_mvm;
- ret = voice_svc_dereg(svc_name, handle);
- if (ret)
- pr_err("%s: Failed to dereg MVM %d\n", __func__, ret);
- }
-
- mutex_lock(&prtd->response_mutex_lock);
- spin_lock_irqsave(&prtd->response_lock, spin_flags);
-
- while (!list_empty(&prtd->response_queue)) {
- pr_debug("%s: Remove item from response queue\n", __func__);
-
- resp = list_first_entry(&prtd->response_queue,
- struct apr_response_list, list);
- list_del(&resp->list);
- prtd->response_count--;
- kfree(resp);
- }
-
- spin_unlock_irqrestore(&prtd->response_lock, spin_flags);
- mutex_unlock(&prtd->response_mutex_lock);
-
- mutex_destroy(&prtd->response_mutex_lock);
-
- kfree(file->private_data);
- file->private_data = NULL;
-
-done:
- return ret;
-}
-
-static const struct file_operations voice_svc_fops = {
- .owner = THIS_MODULE,
- .open = voice_svc_open,
- .read = voice_svc_read,
- .write = voice_svc_write,
- .release = voice_svc_release,
-};
-
-
-static int voice_svc_probe(struct platform_device *pdev)
-{
- int ret = 0;
-
- pr_debug("%s\n", __func__);
-
- voice_svc_dev = devm_kzalloc(&pdev->dev,
- sizeof(struct voice_svc_device), GFP_KERNEL);
- if (!voice_svc_dev) {
- ret = -ENOMEM;
- goto done;
- }
-
- ret = alloc_chrdev_region(&device_num, 0, MINOR_NUMBER,
- VOICE_SVC_DRIVER_NAME);
- if (ret) {
- pr_err("%s: Failed to alloc chrdev\n", __func__);
- ret = -ENODEV;
- goto chrdev_err;
- }
-
- voice_svc_dev->major = MAJOR(device_num);
- voice_svc_class = class_create(THIS_MODULE, VOICE_SVC_DRIVER_NAME);
- if (IS_ERR(voice_svc_class)) {
- ret = PTR_ERR(voice_svc_class);
- pr_err("%s: Failed to create class; err = %d\n", __func__,
- ret);
- goto class_err;
- }
-
- voice_svc_dev->dev = device_create(voice_svc_class, NULL, device_num,
- NULL, VOICE_SVC_DRIVER_NAME);
- if (IS_ERR(voice_svc_dev->dev)) {
- ret = PTR_ERR(voice_svc_dev->dev);
- pr_err("%s: Failed to create device; err = %d\n", __func__,
- ret);
- goto dev_err;
- }
-
- voice_svc_dev->cdev = cdev_alloc();
- if (!voice_svc_dev->cdev) {
- pr_err("%s: Failed to alloc cdev\n", __func__);
- ret = -ENOMEM;
- goto cdev_alloc_err;
- }
-
- cdev_init(voice_svc_dev->cdev, &voice_svc_fops);
- ret = cdev_add(voice_svc_dev->cdev, device_num, MINOR_NUMBER);
- if (ret) {
- pr_err("%s: Failed to register chrdev; err = %d\n", __func__,
- ret);
- goto add_err;
- }
- pr_debug("%s: Device created\n", __func__);
- goto done;
-
-add_err:
- cdev_del(voice_svc_dev->cdev);
-cdev_alloc_err:
- device_destroy(voice_svc_class, device_num);
-dev_err:
- class_destroy(voice_svc_class);
-class_err:
- unregister_chrdev_region(0, MINOR_NUMBER);
-chrdev_err:
- kfree(voice_svc_dev);
-done:
- return ret;
-}
-
-static int voice_svc_remove(struct platform_device *pdev)
-{
- pr_debug("%s\n", __func__);
-
- cdev_del(voice_svc_dev->cdev);
- kfree(voice_svc_dev->cdev);
- device_destroy(voice_svc_class, device_num);
- class_destroy(voice_svc_class);
- unregister_chrdev_region(0, MINOR_NUMBER);
- kfree(voice_svc_dev);
-
- return 0;
-}
-
-static const struct of_device_id voice_svc_of_match[] = {
- {.compatible = "qcom,msm-voice-svc"},
- { }
-};
-MODULE_DEVICE_TABLE(of, voice_svc_of_match);
-
-static struct platform_driver voice_svc_driver = {
- .probe = voice_svc_probe,
- .remove = voice_svc_remove,
- .driver = {
- .name = "msm-voice-svc",
- .owner = THIS_MODULE,
- .of_match_table = voice_svc_of_match,
- },
-};
-
-static int __init voice_svc_init(void)
-{
- pr_debug("%s\n", __func__);
-
- return platform_driver_register(&voice_svc_driver);
-}
-
-static void __exit voice_svc_exit(void)
-{
- pr_debug("%s\n", __func__);
-
- platform_driver_unregister(&voice_svc_driver);
-}
-
-module_init(voice_svc_init);
-module_exit(voice_svc_exit);
-
-MODULE_DESCRIPTION("Soc QDSP6v2 Voice Service driver");
-MODULE_LICENSE("GPL v2");
diff --git a/include/sound/voice_svc.h b/include/sound/voice_svc.h
deleted file mode 100644
index 035053f..0000000
--- a/include/sound/voice_svc.h
+++ /dev/null
@@ -1,47 +0,0 @@
-#ifndef __VOICE_SVC_H__
-#define __VOICE_SVC_H__
-
-#include <linux/types.h>
-#include <linux/ioctl.h>
-
-#define VOICE_SVC_DRIVER_NAME "voice_svc"
-
-#define VOICE_SVC_MVM_STR "MVM"
-#define VOICE_SVC_CVS_STR "CVS"
-#define MAX_APR_SERVICE_NAME_LEN 64
-
-#define MSG_REGISTER 0x1
-#define MSG_REQUEST 0x2
-#define MSG_RESPONSE 0x3
-
-struct voice_svc_write_msg {
- __u32 msg_type;
- __u8 payload[0];
-};
-
-struct voice_svc_register {
- char svc_name[MAX_APR_SERVICE_NAME_LEN];
- __u32 src_port;
- __u8 reg_flag;
-};
-
-struct voice_svc_cmd_response {
- __u32 src_port;
- __u32 dest_port;
- __u32 token;
- __u32 opcode;
- __u32 payload_size;
- __u8 payload[0];
-};
-
-struct voice_svc_cmd_request {
- char svc_name[MAX_APR_SERVICE_NAME_LEN];
- __u32 src_port;
- __u32 dest_port;
- __u32 token;
- __u32 opcode;
- __u32 payload_size;
- __u8 payload[0];
-};
-
-#endif
diff --git a/include/uapi/sound/Kbuild b/include/uapi/sound/Kbuild
index b0350f0..27e9ef8 100644
--- a/include/uapi/sound/Kbuild
+++ b/include/uapi/sound/Kbuild
@@ -18,7 +18,6 @@
header-y += audio_slimslave.h
header-y += voice_params.h
header-y += audio_effects.h
-header-y += voice_svc.h
header-y += devdep_params.h
header-y += msmcal-hwdep.h
header-y += wcd-dsp-glink.h