/*
* Copyright (c) 2013-2018, 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/fs.h>
#include <linux/mutex.h>
#include <linux/wait.h>
#include <linux/miscdevice.h>
#include <linux/uaccess.h>
#include <linux/sched.h>
#include <linux/miscdevice.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/debugfs.h>
#include <linux/time.h>
#include <linux/atomic.h>
#include <sound/lsm_params.h>
#include <asm/ioctls.h>
#include <linux/memory.h>
#include <dsp/msm_audio_ion.h>
#include <dsp/apr_audio-v2.h>
#include <dsp/q6core.h>
#include <dsp/q6lsm.h>
#include <dsp/q6afe-v2.h>
#include <dsp/q6common.h>
#include <dsp/audio_cal_utils.h>
#include "adsp_err.h"
#define APR_TIMEOUT (5 * HZ)
#define LSM_ALIGN_BOUNDARY 512
#define LSM_SAMPLE_RATE 16000
#define QLSM_PARAM_ID_MINOR_VERSION 1
#define QLSM_PARAM_ID_MINOR_VERSION_2 2
static int lsm_afe_port;
enum {
LSM_CUSTOM_TOP_IDX,
LSM_TOP_IDX,
LSM_CAL_IDX,
LSM_MAX_CAL_IDX
};
enum {
CMD_STATE_CLEARED = 0,
CMD_STATE_WAIT_RESP = 1,
};
enum {
LSM_INVALID_SESSION_ID = 0,
LSM_MIN_SESSION_ID = 1,
LSM_MAX_SESSION_ID = 8,
LSM_CONTROL_SESSION = 0x0F,
};
#define CHECK_SESSION(x) (x < LSM_MIN_SESSION_ID || x > LSM_MAX_SESSION_ID)
struct lsm_common {
void *apr;
atomic_t apr_users;
struct lsm_client common_client[LSM_MAX_SESSION_ID + 1];
int set_custom_topology;
struct cal_type_data *cal_data[LSM_MAX_CAL_IDX];
struct mutex apr_lock;
};
static struct lsm_common lsm_common;
static DEFINE_MUTEX(session_lock);
/*
* mmap_handle_p can point either client->sound_model.mem_map_handle or
* lsm_common.mmap_handle_for_cal.
* mmap_lock must be held while accessing this.
*/
static spinlock_t mmap_lock;
static uint32_t *mmap_handle_p;
static spinlock_t lsm_session_lock;
static struct lsm_client *lsm_session[LSM_MAX_SESSION_ID + 1];
static int q6lsm_mmapcallback(struct apr_client_data *data, void *priv);
static int q6lsm_send_cal(struct lsm_client *client,
u32 set_params_opcode, struct lsm_params_info_v2 *p_info);
static int q6lsm_memory_map_regions(struct lsm_client *client,
dma_addr_t dma_addr_p, uint32_t dma_buf_sz,
uint32_t *mmap_p);
static int q6lsm_memory_unmap_regions(struct lsm_client *client,
uint32_t handle);
static int q6lsm_get_session_id_from_lsm_client(struct lsm_client *client)
{
int n;
for (n = LSM_MIN_SESSION_ID; n <= LSM_MAX_SESSION_ID; n++) {
if (lsm_session[n] == client)
return n;
}
pr_err("%s: cannot find matching lsm client. client = %pa\n",
__func__, client);
return LSM_INVALID_SESSION_ID;
}
static bool q6lsm_is_valid_lsm_client(struct lsm_client *client)
{
return q6lsm_get_session_id_from_lsm_client(client) ? 1 : 0;
}
static int q6lsm_callback(struct apr_client_data *data, void *priv)
{
struct lsm_client *client = (struct lsm_client *)priv;
uint32_t token;
uint32_t *payload;
if (!client || !data) {
pr_err("%s: client %pK data %pK\n",
__func__, client, data);
WARN_ON(1);
return -EINVAL;
}
if (data->opcode == RESET_EVENTS) {
pr_debug("%s: SSR event received 0x%x, event 0x%x, proc 0x%x\n",
__func__, data->opcode, data->reset_event,
data->reset_proc);
mutex_lock(&session_lock);
if (!client || !q6lsm_is_valid_lsm_client(client)) {
pr_err("%s: client already freed/invalid, return\n",
__func__);
mutex_unlock(&session_lock);
return 0;
}
apr_reset(client->apr);
client->apr = NULL;
atomic_set(&client->cmd_state, CMD_STATE_CLEARED);
wake_up(&client->cmd_wait);
cal_utils_clear_cal_block_q6maps(LSM_MAX_CAL_IDX,
lsm_common.cal_data);
mutex_lock(&lsm_common.cal_data[LSM_CUSTOM_TOP_IDX]->lock);
lsm_common.set_custom_topology = 1;
mutex_unlock(&lsm_common.cal_data[LSM_CUSTOM_TOP_IDX]->lock);
mutex_unlock(&session_lock);
return 0;
}
payload = data->payload;
pr_debug("%s: Session %d opcode 0x%x token 0x%x payload size %d\n"
"payload [0] = 0x%x\n", __func__, client->session,
data->opcode, data->token, data->payload_size, payload[0]);
if (data->opcode == LSM_DATA_EVENT_READ_DONE) {
struct lsm_cmd_read_done read_done;
token = data->token;
if (data->payload_size > sizeof(read_done)) {
pr_err("%s: read done error payload size %d expected size %zd\n",
__func__, data->payload_size,
sizeof(read_done));
return -EINVAL;
}
pr_debug("%s: opcode %x status %x lsw %x msw %x mem_map handle %x\n",
__func__, data->opcode, payload[0], payload[1],
payload[2], payload[3]);
read_done.status = payload[0];
read_done.buf_addr_lsw = payload[1];
read_done.buf_addr_msw = payload[2];
read_done.mem_map_handle = payload[3];
read_done.total_size = payload[4];
read_done.offset = payload[5];
if (client->cb)
client->cb(data->opcode, data->token,
(void *)&read_done,
client->priv);
return 0;
} else if (data->opcode == APR_BASIC_RSP_RESULT) {
token = data->token;
switch (payload[0]) {
case LSM_SESSION_CMD_START:
case LSM_SESSION_CMD_STOP:
case LSM_SESSION_CMD_SET_PARAMS:
case LSM_SESSION_CMD_OPEN_TX:
case LSM_SESSION_CMD_CLOSE_TX:
case LSM_SESSION_CMD_REGISTER_SOUND_MODEL:
case LSM_SESSION_CMD_DEREGISTER_SOUND_MODEL:
case LSM_SESSION_CMD_SHARED_MEM_UNMAP_REGIONS:
case LSM_SESSION_CMD_EOB:
case LSM_SESSION_CMD_READ:
case LSM_SESSION_CMD_OPEN_TX_V2:
case LSM_SESSION_CMD_OPEN_TX_V3:
case LSM_CMD_ADD_TOPOLOGIES:
case LSM_SESSION_CMD_SET_PARAMS_V2:
case LSM_SESSION_CMD_SET_PARAMS_V3:
if (token != client->session &&
payload[0] !=
LSM_SESSION_CMD_DEREGISTER_SOUND_MODEL) {
pr_err("%s: Invalid session %d receivced expected %d\n",
__func__, token, client->session);
return -EINVAL;
}
client->cmd_err_code = payload[1];
if (client->cmd_err_code)
pr_err("%s: cmd 0x%x failed status %d\n",
__func__, payload[0], client->cmd_err_code);
if (atomic_cmpxchg(&client->cmd_state,
CMD_STATE_WAIT_RESP,
CMD_STATE_CLEARED) ==
CMD_STATE_WAIT_RESP)
wake_up(&client->cmd_wait);
break;
default:
pr_debug("%s: Unknown command 0x%x\n",
__func__, payload[0]);
break;
}
return 0;
}
if (client->cb)
client->cb(data->opcode, data->token, data->payload,
client->priv);
return 0;
}
static int q6lsm_session_alloc(struct lsm_client *client)
{
unsigned long flags;
int n, ret = -ENOMEM;
spin_lock_irqsave(&lsm_session_lock, flags);
for (n = LSM_MIN_SESSION_ID; n <= LSM_MAX_SESSION_ID; n++) {
if (!lsm_session[n]) {
lsm_session[n] = client;
ret = n;
break;
}
}
spin_unlock_irqrestore(&lsm_session_lock, flags);
pr_debug("%s: Alloc Session %d", __func__, n);
return ret;
}
static void q6lsm_session_free(struct lsm_client *client)
{
unsigned long flags;
pr_debug("%s: Freeing session ID %d\n", __func__, client->session);
spin_lock_irqsave(&lsm_session_lock, flags);
lsm_session[client->session] = NULL;
spin_unlock_irqrestore(&lsm_session_lock, flags);
client->session = LSM_INVALID_SESSION_ID;
}
static void *q6lsm_mmap_apr_reg(void)
{
if (atomic_inc_return(&lsm_common.apr_users) == 1) {
lsm_common.apr =
apr_register("ADSP", "LSM", q6lsm_mmapcallback,
0x0FFFFFFFF, &lsm_common);
if (!lsm_common.apr) {
pr_debug("%s: Unable to register APR LSM common port\n",
__func__);
atomic_dec(&lsm_common.apr_users);
}
}
return lsm_common.apr;
}
static int q6lsm_mmap_apr_dereg(void)
{
if (atomic_read(&lsm_common.apr_users) <= 0) {
WARN("%s: APR common port already closed\n", __func__);
} else {
if (atomic_dec_return(&lsm_common.apr_users) == 0) {
apr_deregister(lsm_common.apr);
pr_debug("%s: APR De-Register common port\n", __func__);
}
}
return 0;
}
/**
* q6lsm_client_alloc -
* Allocate session for LSM client
*
* @cb: callback fn
* @priv: private data
*
* Returns LSM client handle on success or NULL on failure
*/
struct lsm_client *q6lsm_client_alloc(lsm_app_cb cb, void *priv)
{
struct lsm_client *client;
int n;
client = kzalloc(sizeof(struct lsm_client), GFP_KERNEL);
if (!client)
return NULL;
n = q6lsm_session_alloc(client);
if (n <= 0) {
kfree(client);
return NULL;
}
client->session = n;
client->cb = cb;
client->priv = priv;
if (CHECK_SESSION(client->session)) {
pr_err("%s: Client session %d\n",
__func__, client->session);
kfree(client);
return NULL;
}
pr_debug("%s: Client Session %d\n", __func__, client->session);
client->apr = apr_register("ADSP", "LSM", q6lsm_callback,
((client->session) << 8 | client->session),
client);
if (client->apr == NULL) {
pr_err("%s: Registration with APR failed\n", __func__);
goto fail;
}
pr_debug("%s: Registering the common port with APR\n", __func__);
client->mmap_apr = q6lsm_mmap_apr_reg();
if (!client->mmap_apr) {
pr_err("%s: APR registration failed\n", __func__);
goto fail;
}
init_waitqueue_head(&client->cmd_wait);
mutex_init(&client->cmd_lock);
atomic_set(&client->cmd_state, CMD_STATE_CLEARED);
pr_debug("%s: New client allocated\n", __func__);
return client;
fail:
q6lsm_client_free(client);
return NULL;
}
EXPORT_SYMBOL(q6lsm_client_alloc);
/**
* q6lsm_client_free -
* Performs LSM client free
*
* @client: LSM client handle
*
*/
void q6lsm_client_free(struct lsm_client *client)
{
if (!client)
return;
if (CHECK_SESSION(client->session)) {
pr_err("%s: Invalid Session %d\n", __func__, client->session);
return;
}
mutex_lock(&session_lock);
apr_deregister(client->apr);
client->mmap_apr = NULL;
q6lsm_session_free(client);
q6lsm_mmap_apr_dereg();
mutex_destroy(&client->cmd_lock);
kfree(client);
client = NULL;
mutex_unlock(&session_lock);
}
EXPORT_SYMBOL(q6lsm_client_free);
/*
* q6lsm_apr_send_pkt : If wait == true, hold mutex to prevent from preempting
* other thread's wait.
* If mmap_handle_p != NULL, disable irq and spin lock to
* protect mmap_handle_p
*/
static int q6lsm_apr_send_pkt(struct lsm_client *client, void *handle,
void *data, bool wait, uint32_t *mmap_p)
{
int ret;
unsigned long flags = 0;
struct apr_hdr *msg_hdr = (struct apr_hdr *) data;
if (!handle) {
pr_err("%s: handle is NULL\n", __func__);
return -EINVAL;
}
pr_debug("%s: enter wait %d\n", __func__, wait);
if (wait)
mutex_lock(&lsm_common.apr_lock);
if (mmap_p) {
WARN_ON(!wait);
spin_lock_irqsave(&mmap_lock, flags);
mmap_handle_p = mmap_p;
}
atomic_set(&client->cmd_state, CMD_STATE_WAIT_RESP);
client->cmd_err_code = 0;
ret = apr_send_pkt(handle, data);
if (mmap_p)
spin_unlock_irqrestore(&mmap_lock, flags);
if (ret < 0) {
pr_err("%s: apr_send_pkt failed %d\n", __func__, ret);
} else if (wait) {
ret = wait_event_timeout(client->cmd_wait,
(atomic_read(&client->cmd_state) ==
CMD_STATE_CLEARED),
APR_TIMEOUT);
if (likely(ret)) {
/* q6 returned error */
if (client->cmd_err_code) {
pr_err("%s: DSP returned error[%s]\n",
__func__, adsp_err_get_err_str(
client->cmd_err_code));
ret = adsp_err_get_lnx_err_code(
client->cmd_err_code);
} else {
ret = 0;
}
} else {
pr_err("%s: wait timedout, apr_opcode = 0x%x, size = %d\n",
__func__, msg_hdr->opcode, msg_hdr->pkt_size);
/* ret = 0 means wait timed out */
ret = -ETIMEDOUT;
}
} else {
ret = 0;
}
if (wait)
mutex_unlock(&lsm_common.apr_lock);
pr_debug("%s: leave ret %d\n", __func__, ret);
return ret;
}
static void q6lsm_add_hdr(struct lsm_client *client, struct apr_hdr *hdr,
uint32_t pkt_size, bool cmd_flg)
{
pr_debug("%s: pkt_size %d cmd_flg %d session %d\n", __func__,
pkt_size, cmd_flg, client->session);
hdr->hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(sizeof(struct apr_hdr)),
APR_PKT_VER);
hdr->src_svc = APR_SVC_LSM;
hdr->src_domain = APR_DOMAIN_APPS;
hdr->dest_svc = APR_SVC_LSM;
hdr->dest_domain = APR_DOMAIN_ADSP;
hdr->src_port = ((client->session << 8) & 0xFF00) | client->session;
hdr->dest_port = ((client->session << 8) & 0xFF00) | client->session;
hdr->pkt_size = pkt_size;
if (cmd_flg)
hdr->token = client->session;
}
static int q6lsm_pack_params(u8 *dest, struct param_hdr_v3 *param_info,
u8 *param_data, size_t *final_length,
u32 set_param_opcode)
{
bool iid_supported = q6common_is_instance_id_supported();
union param_hdrs *param_hdr = NULL;
u32 param_size = param_info->param_size;
size_t hdr_size;
size_t provided_size = *final_length;
hdr_size = iid_supported ? sizeof(struct param_hdr_v3) :
sizeof(struct param_hdr_v2);
if (provided_size < hdr_size) {
pr_err("%s: Provided size %zu is not large enough, need %zu\n",
__func__, provided_size, hdr_size);
return -EINVAL;
}
if (iid_supported) {
memcpy(dest, param_info, hdr_size);
} else {
/* MID, PID and structure size are the same in V1 and V2 */
param_hdr = (union param_hdrs *) dest;
param_hdr->v2.module_id = param_info->module_id;
param_hdr->v2.param_id = param_info->param_id;
switch (set_param_opcode) {
case LSM_SESSION_CMD_SET_PARAMS_V2:
param_hdr->v2.param_size = param_size;
break;
case LSM_SESSION_CMD_SET_PARAMS:
default:
if (param_size > U16_MAX) {
pr_err("%s: Invalid param size %d\n", __func__,
param_size);
return -EINVAL;
}
param_hdr->v1.param_size = param_size;
param_hdr->v1.reserved = 0;
break;
}
}
*final_length = hdr_size;
if (param_data != NULL) {
if (provided_size < hdr_size + param_size) {
pr_err("%s: Provided size %zu is not large enough, need %zu\n",
__func__, provided_size, hdr_size + param_size);
return -EINVAL;
}
memcpy(dest + hdr_size, param_data, param_size);
*final_length += param_size;
}
return 0;
}
static int q6lsm_set_params_v2(struct lsm_client *client,
struct mem_mapping_hdr *mem_hdr,
uint8_t *param_data, uint32_t param_size,
uint32_t set_param_opcode)
{
struct lsm_session_cmd_set_params_v2 *lsm_set_param = NULL;
uint32_t pkt_size = 0;
int ret;
pkt_size = sizeof(struct lsm_session_cmd_set_params_v2);
/* Only include param size in packet size when inband */
if (param_data != NULL)
pkt_size += param_size;
lsm_set_param = kzalloc(pkt_size, GFP_KERNEL);
if (!lsm_set_param)
return -ENOMEM;
q6lsm_add_hdr(client, &lsm_set_param->apr_hdr, pkt_size, true);
lsm_set_param->apr_hdr.opcode = set_param_opcode;
lsm_set_param->payload_size = param_size;
if (mem_hdr != NULL) {
lsm_set_param->mem_hdr = *mem_hdr;
} else if (param_data != NULL) {
memcpy(lsm_set_param->param_data, param_data, param_size);
} else {
pr_err("%s: Received NULL pointers for both memory header and data\n",
__func__);
ret = -EINVAL;
goto done;
}
ret = q6lsm_apr_send_pkt(client, client->apr, lsm_set_param, true,
NULL);
done:
kfree(lsm_set_param);
return ret;
}
static int q6lsm_set_params_v3(struct lsm_client *client,
struct mem_mapping_hdr *mem_hdr,
uint8_t *param_data, uint32_t param_size)
{
struct lsm_session_cmd_set_params_v3 *lsm_set_param = NULL;
uint16_t pkt_size = 0;
int ret = 0;
pkt_size = sizeof(struct lsm_session_cmd_set_params_v3);
/* Only include param size in packet size when inband */
if (param_data != NULL)
pkt_size += param_size;
lsm_set_param = kzalloc(pkt_size, GFP_KERNEL);
if (!lsm_set_param)
return -ENOMEM;
q6lsm_add_hdr(client, &lsm_set_param->apr_hdr, pkt_size, true);
lsm_set_param->apr_hdr.opcode = LSM_SESSION_CMD_SET_PARAMS_V3;
lsm_set_param->payload_size = param_size;
if (mem_hdr != NULL) {
lsm_set_param->mem_hdr = *mem_hdr;
} else if (param_data != NULL) {
memcpy(lsm_set_param->param_data, param_data, param_size);
} else {
pr_err("%s: Received NULL pointers for both memory header and data\n",
__func__);
ret = -EINVAL;
goto done;
}
ret = q6lsm_apr_send_pkt(client, client->apr, lsm_set_param, true,
NULL);
done:
kfree(lsm_set_param);
return ret;
}
static int q6lsm_set_params(struct lsm_client *client,
struct mem_mapping_hdr *mem_hdr,
uint8_t *param_data, uint32_t param_size,
uint32_t set_param_opcode)
{
if (q6common_is_instance_id_supported())
return q6lsm_set_params_v3(client, mem_hdr, param_data,
param_size);
else
return q6lsm_set_params_v2(client, mem_hdr, param_data,
param_size, set_param_opcode);
}
static int q6lsm_pack_and_set_params(struct lsm_client *client,
struct param_hdr_v3 *param_info,
uint8_t *param_data,
uint32_t set_param_opcode)
{
u8 *packed_data = NULL;
size_t total_size = 0;
int ret = 0;
total_size = sizeof(union param_hdrs) + param_info->param_size;
packed_data = kzalloc(total_size, GFP_KERNEL);
if (!packed_data)
return -ENOMEM;
ret = q6lsm_pack_params(packed_data, param_info, param_data,
&total_size, set_param_opcode);
if (ret)
goto done;
ret = q6lsm_set_params(client, NULL, packed_data, total_size,
set_param_opcode);
done:
kfree(packed_data);
return ret;
}
static int q6lsm_send_custom_topologies(struct lsm_client *client)
{
int rc;
struct cal_block_data *cal_block = NULL;
struct lsm_custom_topologies cstm_top;
if (lsm_common.cal_data[LSM_CUSTOM_TOP_IDX] == NULL) {
pr_err("%s: LSM_CUSTOM_TOP_IDX invalid\n", __func__);
rc = -EINVAL;
goto done;
}
lsm_common.set_custom_topology = 0;
mutex_lock(&lsm_common.cal_data[LSM_CUSTOM_TOP_IDX]->lock);
cal_block = cal_utils_get_only_cal_block(
lsm_common.cal_data[LSM_CUSTOM_TOP_IDX]);
if (!cal_block) {
pr_err("%s: Cal block for LSM_CUSTOM_TOP_IDX not found\n",
__func__);
rc = -EINVAL;
goto unlock;
}
if (cal_block->cal_data.size <= 0) {
pr_err("%s: Invalid size for LSM_CUSTOM_TOP %zd\n",
__func__, cal_block->cal_data.size);
rc = -EINVAL;
goto unlock;
}
memset(&cstm_top, 0, sizeof(cstm_top));
/* Map the memory for out-of-band data */
rc = q6lsm_memory_map_regions(client, cal_block->cal_data.paddr,
cal_block->map_data.map_size,
&cal_block->map_data.q6map_handle);
if (rc < 0) {
pr_err("%s: Failed to map custom topologied, err = %d\n",
__func__, rc);
goto unlock;
}
q6lsm_add_hdr(client, &cstm_top.hdr,
sizeof(cstm_top), true);
cstm_top.hdr.opcode = LSM_CMD_ADD_TOPOLOGIES;
/*
* For ADD_TOPOLOGIES, the dest_port should be 0
* Note that source port cannot be zero as it is used
* to route the response to a specific client registered
* on APR
*/
cstm_top.hdr.dest_port = 0;
cstm_top.data_payload_addr_lsw =
lower_32_bits(cal_block->cal_data.paddr);
cstm_top.data_payload_addr_msw =
msm_audio_populate_upper_32_bits(
cal_block->cal_data.paddr);
cstm_top.mem_map_handle = cal_block->map_data.q6map_handle;
cstm_top.buffer_size = cal_block->cal_data.size;
rc = q6lsm_apr_send_pkt(client, client->apr,
&cstm_top, true, NULL);
if (rc)
pr_err("%s: Failed to add custom top, err = %d\n",
__func__, rc);
/* go ahead and unmap even if custom top failed */
rc = q6lsm_memory_unmap_regions(client,
cal_block->map_data.q6map_handle);
if (rc) {
pr_err("%s: Failed to unmap, err = %d\n",
__func__, rc);
/* Even if mem unmap failed, treat the cmd as success */
rc = 0;
}
unlock:
mutex_unlock(&lsm_common.cal_data[LSM_CUSTOM_TOP_IDX]->lock);
done:
return rc;
}
static int q6lsm_get_topology_for_app_type(struct lsm_client *client,
int app_type, uint32_t *topology)
{
int rc = -EINVAL;
struct cal_block_data *cal_block = NULL;
struct audio_cal_info_lsm_top *lsm_top;
struct list_head *ptr;
if (lsm_common.cal_data[LSM_TOP_IDX] == NULL) {
pr_err("%s: LSM_TOP_IDX invalid\n", __func__);
return rc;
}
mutex_lock(&lsm_common.cal_data[LSM_TOP_IDX]->lock);
list_for_each(ptr, &lsm_common.cal_data[LSM_TOP_IDX]->cal_blocks) {
cal_block = list_entry(ptr, struct cal_block_data, list);
if (!cal_block) {
pr_err("%s: Cal block for LSM_TOP_IDX not found\n",
__func__);
break;
}
lsm_top = (struct audio_cal_info_lsm_top *) cal_block->cal_info;
if (!lsm_top) {
pr_err("%s: cal_info for LSM_TOP_IDX not found\n",
__func__);
break;
}
pr_debug("%s: checking topology 0x%x, app_type 0x%x\n",
__func__, lsm_top->topology, lsm_top->app_type);
if (app_type == 0 || lsm_top->app_type == app_type) {
*topology = lsm_top->topology;
rc = 0;
break;
}
}
mutex_unlock(&lsm_common.cal_data[LSM_TOP_IDX]->lock);
pr_debug("%s: found topology_id = 0x%x, app_type = 0x%x\n",
__func__, *topology, app_type);
return rc;
}
static int q6lsm_do_open_v3(struct lsm_client *client)
{
int rc, app_type;
struct lsm_stream_cmd_open_tx_v3 *open_v3;
size_t cmd_size = 0;
int stage_idx = LSM_STAGE_INDEX_FIRST;
uint32_t topology_id = 0, *uint32_ptr = NULL;
cmd_size = sizeof(struct lsm_stream_cmd_open_tx_v3);
cmd_size += client->num_stages * sizeof(struct lsm_stream_stage_info);
open_v3 = kzalloc(cmd_size, GFP_KERNEL);
if (!open_v3)
return -ENOMEM;
q6lsm_add_hdr(client, &open_v3->hdr, cmd_size, true);
open_v3->hdr.opcode = LSM_SESSION_CMD_OPEN_TX_V3;
open_v3->num_stages = client->num_stages;
uint32_ptr = &open_v3->num_stages;
uint32_ptr++;
for (; stage_idx < client->num_stages; stage_idx++) {
app_type = client->stage_cfg[stage_idx].app_type;
rc = q6lsm_get_topology_for_app_type(client, app_type, &topology_id);
if (rc) {
pr_err("%s: failed to get topology for stage %d\n",
__func__, stage_idx);
return -EINVAL;
}
*uint32_ptr++ = topology_id;
*uint32_ptr++ = client->stage_cfg[stage_idx].lpi_enable;
}
rc = q6lsm_apr_send_pkt(client, client->apr, open_v3, true, NULL);
if (rc)
pr_err("%s: open_v3 failed, err = %d\n", __func__, rc);
else
client->use_topology = true;
kfree(open_v3);
return rc;
}
static int q6lsm_do_open_v2(struct lsm_client *client,
uint16_t app_id)
{
int rc;
struct cal_block_data *cal_block = NULL;
struct audio_cal_info_lsm_top *lsm_top;
struct lsm_stream_cmd_open_tx_v2 open_v2;
if (lsm_common.cal_data[LSM_TOP_IDX] == NULL) {
pr_err("%s: LSM_TOP_IDX invalid\n", __func__);
rc = -EINVAL;
goto done;
}
mutex_lock(&lsm_common.cal_data[LSM_TOP_IDX]->lock);
cal_block = cal_utils_get_only_cal_block(
lsm_common.cal_data[LSM_TOP_IDX]);
if (!cal_block) {
pr_err("%s: Cal block for LSM_TOP_IDX not found\n",
__func__);
rc = -EINVAL;
goto unlock;
}
lsm_top = (struct audio_cal_info_lsm_top *)
cal_block->cal_info;
if (!lsm_top) {
pr_err("%s: cal_info for LSM_TOP_IDX not found\n",
__func__);
rc = -EINVAL;
goto unlock;
}
pr_debug("%s: topology_id = 0x%x, app_type = 0x%x\n",
__func__, lsm_top->topology, lsm_top->app_type);
if (lsm_top->topology == 0) {
pr_err("%s: toplogy id not sent for app_type 0x%x\n",
__func__, lsm_top->app_type);
rc = -EINVAL;
goto unlock;
}
client->app_id = lsm_top->app_type;
memset(&open_v2, 0, sizeof(open_v2));
q6lsm_add_hdr(client, &open_v2.hdr,
sizeof(open_v2), true);
open_v2.topology_id = lsm_top->topology;
open_v2.hdr.opcode = LSM_SESSION_CMD_OPEN_TX_V2;
rc = q6lsm_apr_send_pkt(client, client->apr,
&open_v2, true, NULL);
if (rc)
pr_err("%s: open_v2 failed, err = %d\n",
__func__, rc);
else
client->use_topology = true;
unlock:
mutex_unlock(&lsm_common.cal_data[LSM_TOP_IDX]->lock);
done:
return rc;
}
/**
* q6lsm_sm_set_param_data -
* Update sound model param data
*
* @client: LSM client handle
* @p_info: param info
* @offset: pointer to retrieve size
*
*/
void q6lsm_sm_set_param_data(struct lsm_client *client,
struct lsm_params_info_v2 *p_info,
size_t *offset)
{
struct param_hdr_v3 param_hdr;
int ret;
struct lsm_sound_model *sm;
sm = &client->stage_cfg[p_info->stage_idx].sound_model;
memset(¶m_hdr, 0, sizeof(param_hdr));
param_hdr.module_id = p_info->module_id;
param_hdr.instance_id = p_info->instance_id;
param_hdr.param_id = p_info->param_id;
param_hdr.param_size = p_info->param_size;
ret = q6lsm_pack_params(sm->data, ¶m_hdr,
NULL, offset, LSM_SESSION_CMD_SET_PARAMS_V2);
if (ret)
pr_err("%s: Failed to pack params, error %d\n", __func__, ret);
}
EXPORT_SYMBOL(q6lsm_sm_set_param_data);
/**
* q6lsm_support_multi_stage_detection -
* check for multi-stage support in adsp lsm framework service
*
* Returns true if multi-stage support available, else false
*/
bool q6lsm_adsp_supports_multi_stage_detection(void)
{
return q6core_get_avcs_api_version_per_service(
APRV2_IDS_SERVICE_ID_ADSP_LSM_V) >= LSM_API_VERSION_V3;
}
EXPORT_SYMBOL(q6lsm_adsp_supports_multi_stage_detection);
/**
* q6lsm_open -
* command to open LSM session
*
* @client: LSM client handle
* @app_id: App ID for LSM
*
* Returns 0 on success or error on failure
*/
int q6lsm_open(struct lsm_client *client, uint16_t app_id)
{
int rc = 0;
struct lsm_stream_cmd_open_tx open;
/* Add Custom topologies if needed */
if (lsm_common.set_custom_topology) {
rc = q6lsm_send_custom_topologies(client);
if (rc)
pr_err("%s: Failed to send cust_top, err = %d\n",
__func__, rc);
}
/* Try to open with topology first */
if ((client->stage_cfg[LSM_STAGE_INDEX_FIRST].app_type != 0) &&
q6lsm_adsp_supports_multi_stage_detection())
rc = q6lsm_do_open_v3(client);
else
rc = q6lsm_do_open_v2(client, app_id);
if (!rc)
/* open_v2/v3 was successful */
goto done;
pr_debug("%s: try without topology\n",
__func__);
memset(&open, 0, sizeof(open));
q6lsm_add_hdr(client, &open.hdr, sizeof(open), true);
switch (client->app_id) {
case LSM_VOICE_WAKEUP_APP_ID_V2:
open.app_id = client->app_id;
break;
default:
pr_err("%s: default err 0x%x\n", __func__, client->app_id);
rc = -EINVAL;
break;
}
open.sampling_rate = LSM_SAMPLE_RATE;
open.hdr.opcode = LSM_SESSION_CMD_OPEN_TX;
rc = q6lsm_apr_send_pkt(client, client->apr,
&open, true, NULL);
if (rc)
pr_err("%s: Open failed opcode 0x%x, rc %d\n",
__func__, open.hdr.opcode, rc);
else
client->use_topology = false;
done:
pr_debug("%s: leave %d\n", __func__, rc);
return rc;
}
EXPORT_SYMBOL(q6lsm_open);
static int q6lsm_send_confidence_levels(struct lsm_client *client,
struct param_hdr_v3 *param_info,
uint32_t set_param_opcode)
{
struct lsm_param_confidence_levels *conf_levels = NULL;
uint32_t num_conf_levels = client->num_confidence_levels;
uint8_t i = 0;
uint8_t padd_size = 0;
uint32_t param_size = 0;
int rc = 0;
/* Data must be 4 byte aligned so add any necessary padding. */
padd_size = (4 - (num_conf_levels % 4)) - 1;
param_size = (sizeof(uint8_t) + num_conf_levels + padd_size) *
sizeof(uint8_t);
param_info->param_size = param_size;
pr_debug("%s: Set Conf Levels PARAM SIZE = %d\n", __func__, param_size);
conf_levels = kzalloc(param_size, GFP_KERNEL);
if (!conf_levels)
return -ENOMEM;
conf_levels->num_confidence_levels = num_conf_levels;
pr_debug("%s: Num conf_level = %d\n", __func__, num_conf_levels);
memcpy(conf_levels->confidence_levels, client->confidence_levels,
num_conf_levels);
for (i = 0; i < num_conf_levels; i++)
pr_debug("%s: Confidence_level[%d] = %d\n", __func__, i,
conf_levels->confidence_levels[i]);
rc = q6lsm_pack_and_set_params(client, param_info,
(uint8_t *) conf_levels,
set_param_opcode);
if (rc)
pr_err("%s: Send confidence_levels cmd failed, err = %d\n",
__func__, rc);
kfree(conf_levels);
return rc;
}
static int q6lsm_send_param_opmode(struct lsm_client *client,
struct param_hdr_v3 *param_info,
u32 set_param_opcode)
{
struct lsm_param_op_mode op_mode;
int rc = 0;
memset(&op_mode, 0, sizeof(op_mode));
param_info->param_size = sizeof(op_mode);
op_mode.minor_version = QLSM_PARAM_ID_MINOR_VERSION;
op_mode.mode = client->mode;
pr_debug("%s: mode = 0x%x", __func__, op_mode.mode);
rc = q6lsm_pack_and_set_params(client, param_info, (uint8_t *) &op_mode,
set_param_opcode);
if (rc)
pr_err("%s: Failed set_params, rc %d\n", __func__, rc);
pr_debug("%s: leave %d\n", __func__, rc);
return rc;
}
/**
* set_lsm_port -
* Update LSM AFE port
*
*/
void set_lsm_port(int lsm_port)
{
lsm_afe_port = lsm_port;
}
EXPORT_SYMBOL(set_lsm_port);
int get_lsm_port(void)
{
return lsm_afe_port;
}
/**
* q6lsm_set_port_connected -
* command to set LSM port connected
*
* @client: LSM client handle
*
* Returns 0 on success or error on failure
*/
int q6lsm_set_port_connected(struct lsm_client *client)
{
struct lsm_param_connect_to_port connect_port;
struct param_hdr_v3 connectport_hdr;
u32 set_param_opcode = 0;
int rc = 0;
memset(&connect_port, 0, sizeof(connect_port));
memset(&connectport_hdr, 0, sizeof(connectport_hdr));
if (client->use_topology) {
set_param_opcode = LSM_SESSION_CMD_SET_PARAMS_V2;
connectport_hdr.module_id = LSM_MODULE_ID_FRAMEWORK;
} else {
set_param_opcode = LSM_SESSION_CMD_SET_PARAMS;
connectport_hdr.module_id = LSM_MODULE_ID_VOICE_WAKEUP;
}
connectport_hdr.instance_id = INSTANCE_ID_0;
connectport_hdr.param_id = LSM_PARAM_ID_CONNECT_TO_PORT;
connectport_hdr.param_size = sizeof(connect_port);
client->connect_to_port = get_lsm_port();
connect_port.minor_version = QLSM_PARAM_ID_MINOR_VERSION;
connect_port.port_id = client->connect_to_port;
rc = q6lsm_pack_and_set_params(client, &connectport_hdr,
(uint8_t *) &connect_port,
set_param_opcode);
if (rc)
pr_err("%s: Failed set_params, rc %d\n", __func__, rc);
return rc;
}
EXPORT_SYMBOL(q6lsm_set_port_connected);
static int q6lsm_send_param_polling_enable(struct lsm_client *client,
bool poll_en,
struct param_hdr_v3 *param_info,
u32 set_param_opcode)
{
struct lsm_param_poll_enable polling_enable;
int rc = 0;
memset(&polling_enable, 0, sizeof(polling_enable));
param_info->param_size = sizeof(polling_enable);
polling_enable.minor_version = QLSM_PARAM_ID_MINOR_VERSION;
polling_enable.polling_enable = (poll_en) ? 1 : 0;
rc = q6lsm_pack_and_set_params(client, param_info,
(uint8_t *) &polling_enable,
set_param_opcode);
if (rc)
pr_err("%s: Failed set_params, rc %d\n", __func__, rc);
return rc;
}
/**
* q6lsm_set_fwk_mode_cfg -
* command to set LSM fwk mode cfg
*
* @client: LSM client handle
* @event_mode: mode for fwk cfg
*
* Returns 0 on success or error on failure
*/
int q6lsm_set_fwk_mode_cfg(struct lsm_client *client,
uint32_t event_mode)
{
struct lsm_param_fwk_mode_cfg fwk_mode_cfg;
struct param_hdr_v3 fwk_mode_cfg_hdr;
int rc = 0;
memset(&fwk_mode_cfg, 0, sizeof(fwk_mode_cfg));
memset(&fwk_mode_cfg_hdr, 0, sizeof(fwk_mode_cfg_hdr));
if (!client->use_topology) {
pr_debug("%s: Ignore sending event mode\n", __func__);
return rc;
}
fwk_mode_cfg_hdr.module_id = LSM_MODULE_ID_FRAMEWORK;
fwk_mode_cfg_hdr.instance_id = INSTANCE_ID_0;
fwk_mode_cfg_hdr.param_id = LSM_PARAM_ID_FWK_MODE_CONFIG;
fwk_mode_cfg_hdr.param_size = sizeof(fwk_mode_cfg);
fwk_mode_cfg.minor_version = QLSM_PARAM_ID_MINOR_VERSION;
fwk_mode_cfg.mode = event_mode;
pr_debug("%s: mode = %d\n", __func__, fwk_mode_cfg.mode);
rc = q6lsm_pack_and_set_params(client, &fwk_mode_cfg_hdr,
(uint8_t *) &fwk_mode_cfg,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: Failed set_params, rc %d\n", __func__, rc);
return rc;
}
EXPORT_SYMBOL(q6lsm_set_fwk_mode_cfg);
static int q6lsm_arrange_mch_map(uint8_t *ch_map, int ch_cnt)
{
int ch_idx;
u8 mch_map[LSM_V3P0_MAX_NUM_CHANNELS] = {
PCM_CHANNEL_FL, PCM_CHANNEL_FR, PCM_CHANNEL_FC,
PCM_CHANNEL_LS, PCM_CHANNEL_RS, PCM_CHANNEL_LFE,
PCM_CHANNEL_LB, PCM_CHANNEL_RB, PCM_CHANNEL_CS};
if (ch_cnt > LSM_V3P0_MAX_NUM_CHANNELS) {
pr_err("%s: invalid num_chan %d\n", __func__, ch_cnt);
return -EINVAL;
}
if (ch_cnt == 1) {
ch_map[0] = PCM_CHANNEL_FC;
} else if (ch_cnt == 4) {
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_LS;
ch_map[3] = PCM_CHANNEL_RS;
} else {
for (ch_idx = 0; ch_idx < ch_cnt; ch_idx++)
ch_map[ch_idx] = mch_map[ch_idx];
}
return 0;
}
/**
* q6lsm_set_media_fmt_params -
* command to set LSM media fmt params
*
* @client: LSM client handle
*
* Returns 0 on success or error on failure
*/
int q6lsm_set_media_fmt_params(struct lsm_client *client)
{
struct lsm_param_media_fmt media_fmt;
struct lsm_hw_params in_param = client->in_hw_params;
struct param_hdr_v3 media_fmt_hdr;
int rc = 0;
memset(&media_fmt, 0, sizeof(media_fmt));
memset(&media_fmt_hdr, 0, sizeof(media_fmt_hdr));
if (!client->use_topology) {
pr_debug("%s: Ignore sending media format\n", __func__);
goto err_ret;
}
media_fmt_hdr.module_id = LSM_MODULE_ID_FRAMEWORK;
media_fmt_hdr.instance_id = INSTANCE_ID_0;
media_fmt_hdr.param_id = LSM_PARAM_ID_MEDIA_FMT;
media_fmt_hdr.param_size = sizeof(media_fmt);
media_fmt.minor_version = QLSM_PARAM_ID_MINOR_VERSION_2;
media_fmt.sample_rate = in_param.sample_rate;
media_fmt.num_channels = in_param.num_chs;
media_fmt.bit_width = in_param.sample_size;
rc = q6lsm_arrange_mch_map(media_fmt.channel_mapping,
media_fmt.num_channels);
if (rc)
goto err_ret;
pr_debug("%s: sample rate= %d, channels %d bit width %d\n", __func__,
media_fmt.sample_rate, media_fmt.num_channels,
media_fmt.bit_width);
rc = q6lsm_pack_and_set_params(client, &media_fmt_hdr,
(uint8_t *) &media_fmt,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: Failed set_params, rc %d\n", __func__, rc);
err_ret:
return rc;
}
EXPORT_SYMBOL(q6lsm_set_media_fmt_params);
/*
* q6lsm_set_media_fmt_v2_params -
* command to set LSM media fmt (version2) params
*
* @client: LSM client handle
*
* Returns 0 on success or error on failure
*/
int q6lsm_set_media_fmt_v2_params(struct lsm_client *client)
{
u8 *param_buf;
struct lsm_param_media_fmt_v2 *media_fmt_v2;
struct lsm_hw_params *in_param = &client->in_hw_params;
struct param_hdr_v3 media_fmt_v2_hdr;
int param_len = 0, rc = 0;
memset(&media_fmt_v2_hdr, 0, sizeof(media_fmt_v2_hdr));
param_len = sizeof(*media_fmt_v2) +
(sizeof(uint8_t) * in_param->num_chs);
/* Add padding to make sure total length is 4-byte aligned */
if (param_len % 4)
param_len += (4 - (param_len % 4));
param_buf = kzalloc(param_len, GFP_KERNEL);
if (!param_buf)
return -ENOMEM;
media_fmt_v2 = (struct lsm_param_media_fmt_v2 *) param_buf;
media_fmt_v2->minor_version = QLSM_PARAM_ID_MINOR_VERSION;
media_fmt_v2->sample_rate = in_param->sample_rate;
media_fmt_v2->num_channels = in_param->num_chs;
media_fmt_v2->bit_width = in_param->sample_size;
rc = q6lsm_arrange_mch_map(media_fmt_v2->channel_mapping,
in_param->num_chs);
if (rc)
goto err_mch_map;
media_fmt_v2_hdr.module_id = LSM_MODULE_ID_FRAMEWORK;
media_fmt_v2_hdr.instance_id = INSTANCE_ID_0;
media_fmt_v2_hdr.param_id = LSM_PARAM_ID_MEDIA_FMT_V2;
media_fmt_v2_hdr.param_size = param_len;
pr_debug("%s: sample rate= %d, channels %d bit width %d\n", __func__,
media_fmt_v2->sample_rate, media_fmt_v2->num_channels,
media_fmt_v2->bit_width);
rc = q6lsm_pack_and_set_params(client, &media_fmt_v2_hdr,
param_buf,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: Failed set_params, rc %d\n", __func__, rc);
err_mch_map:
kfree(param_buf);
return rc;
}
EXPORT_SYMBOL(q6lsm_set_media_fmt_v2_params);
/**
* q6lsm_set_data -
* Command to set LSM data
*
* @client: LSM client handle
* @mode: LSM detection mode value
* @detectfailure: flag for detect failure
*
* Returns 0 on success or error on failure
*/
int q6lsm_set_data(struct lsm_client *client,
enum lsm_detection_mode mode,
bool detectfailure)
{
struct param_hdr_v3 param_hdr;
int rc = 0;
struct lsm_params_info_v2 p_info = {0};
memset(¶m_hdr, 0, sizeof(param_hdr));
if (!client->confidence_levels) {
/*
* It is possible that confidence levels are
* not provided. This is not a error condition.
* Return gracefully without any error
*/
pr_debug("%s: no conf levels to set\n",
__func__);
return rc;
}
if (mode == LSM_MODE_KEYWORD_ONLY_DETECTION) {
client->mode = 0x01;
} else if (mode == LSM_MODE_USER_KEYWORD_DETECTION) {
client->mode = 0x03;
} else {
pr_err("%s: Incorrect detection mode %d\n", __func__, mode);
rc = -EINVAL;
goto err_ret;
}
client->mode |= detectfailure << 2;
param_hdr.module_id = LSM_MODULE_ID_VOICE_WAKEUP;
param_hdr.instance_id = INSTANCE_ID_0;
param_hdr.param_id = LSM_PARAM_ID_OPERATION_MODE;
rc = q6lsm_send_param_opmode(client, ¶m_hdr,
LSM_SESSION_CMD_SET_PARAMS);
if (rc) {
pr_err("%s: Failed to set lsm config params %d\n",
__func__, rc);
goto err_ret;
}
param_hdr.param_id = LSM_PARAM_ID_MIN_CONFIDENCE_LEVELS;
rc = q6lsm_send_confidence_levels(client, ¶m_hdr,
LSM_SESSION_CMD_SET_PARAMS);
if (rc) {
pr_err("%s: Failed to send conf_levels, err = %d\n",
__func__, rc);
goto err_ret;
}
p_info.stage_idx = LSM_STAGE_INDEX_FIRST;
rc = q6lsm_send_cal(client, LSM_SESSION_CMD_SET_PARAMS, &p_info);
if (rc) {
pr_err("%s: Failed to send calibration data %d\n",
__func__, rc);
goto err_ret;
}
err_ret:
return rc;
}
EXPORT_SYMBOL(q6lsm_set_data);
/**
* q6lsm_register_sound_model -
* Register LSM snd model
*
* @client: LSM client handle
*
* Returns 0 on success or error on failure
*/
int q6lsm_register_sound_model(struct lsm_client *client,
enum lsm_detection_mode mode,
bool detectfailure)
{
int rc;
struct lsm_cmd_reg_snd_model cmd;
struct lsm_sound_model *sm;
memset(&cmd, 0, sizeof(cmd));
rc = q6lsm_set_data(client, mode, detectfailure);
if (rc) {
pr_err("%s: Failed to set lsm data, err = %d\n",
__func__, rc);
return rc;
}
sm = &client->stage_cfg[LSM_STAGE_INDEX_FIRST].sound_model;
q6lsm_add_hdr(client, &cmd.hdr, sizeof(cmd), true);
cmd.hdr.opcode = LSM_SESSION_CMD_REGISTER_SOUND_MODEL;
cmd.model_addr_lsw = lower_32_bits(sm->phys);
cmd.model_addr_msw = msm_audio_populate_upper_32_bits(sm->phys);
cmd.model_size = sm->size;
/* read updated mem_map_handle by q6lsm_mmapcallback */
rmb();
cmd.mem_map_handle = sm->mem_map_handle;
pr_debug("%s: addr %pK, size %d, handle 0x%x\n", __func__,
&sm->phys, cmd.model_size, cmd.mem_map_handle);
rc = q6lsm_apr_send_pkt(client, client->apr, &cmd, true, NULL);
if (rc)
pr_err("%s: Failed cmd op[0x%x]rc[%d]\n", __func__,
cmd.hdr.opcode, rc);
else
pr_debug("%s: Register sound model succeeded\n", __func__);
return rc;
}
EXPORT_SYMBOL(q6lsm_register_sound_model);
/**
* q6lsm_deregister_sound_model -
* De-register LSM snd model
*
* @client: LSM client handle
*
* Returns 0 on success or error on failure
*/
int q6lsm_deregister_sound_model(struct lsm_client *client)
{
int rc;
struct lsm_cmd_reg_snd_model cmd;
/*
* With multi-stage support sm buff allocation/free usage param info
* to check stage index for which this sound model is being set, and
* to check whether sm data is sent using set param command or not.
* Hence, set param ids to '0' to indicate allocation is for legacy
* reg_sm cmd, where buffer for param header need not be allocated,
* also set stage index to LSM_STAGE_INDEX_FIRST.
*/
struct lsm_params_info_v2 p_info = {0};
p_info.stage_idx = LSM_STAGE_INDEX_FIRST;
if (!client) {
pr_err("APR handle NULL\n");
return -EINVAL;
}
if (!client->apr) {
pr_err("APR client handle NULL\n");
return -EINVAL;
}
if (CHECK_SESSION(client->session)) {
pr_err("%s: session[%d]", __func__, client->session);
return -EINVAL;
}
memset(&cmd, 0, sizeof(cmd));
q6lsm_add_hdr(client, &cmd.hdr, sizeof(cmd.hdr), false);
cmd.hdr.opcode = LSM_SESSION_CMD_DEREGISTER_SOUND_MODEL;
rc = q6lsm_apr_send_pkt(client, client->apr, &cmd.hdr, true, NULL);
if (rc) {
pr_err("%s: Failed cmd opcode 0x%x, rc %d\n", __func__,
cmd.hdr.opcode, rc);
} else {
pr_debug("%s: Deregister sound model succeeded\n", __func__);
}
q6lsm_snd_model_buf_free(client, &p_info);
return rc;
}
EXPORT_SYMBOL(q6lsm_deregister_sound_model);
static void q6lsm_add_mmaphdr(struct lsm_client *client, struct apr_hdr *hdr,
u32 pkt_size, u32 cmd_flg, u32 token)
{
pr_debug("%s: pkt size=%d cmd_flg=%d session=%d\n", __func__, pkt_size,
cmd_flg, client->session);
hdr->hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
hdr->src_port = 0x00;
hdr->dest_port = client->session;
if (cmd_flg)
hdr->token = token;
hdr->pkt_size = pkt_size;
}
static int q6lsm_memory_map_regions(struct lsm_client *client,
dma_addr_t dma_addr_p, uint32_t dma_buf_sz,
uint32_t *mmap_p)
{
struct avs_cmd_shared_mem_map_regions *mmap_regions = NULL;
struct avs_shared_map_region_payload *mregions = NULL;
void *mmap_region_cmd = NULL;
void *payload = NULL;
int rc;
int cmd_size = 0;
pr_debug("%s: dma_addr_p 0x%pK, dma_buf_sz %d, mmap_p 0x%pK, session %d\n",
__func__, &dma_addr_p, dma_buf_sz, mmap_p,
client->session);
if (CHECK_SESSION(client->session)) {
pr_err("%s: session[%d]", __func__, client->session);
return -EINVAL;
}
cmd_size = sizeof(struct avs_cmd_shared_mem_map_regions) +
sizeof(struct avs_shared_map_region_payload);
mmap_region_cmd = kzalloc(cmd_size, GFP_KERNEL);
if (!mmap_region_cmd)
return -ENOMEM;
mmap_regions = (struct avs_cmd_shared_mem_map_regions *)mmap_region_cmd;
q6lsm_add_mmaphdr(client, &mmap_regions->hdr, cmd_size, true,
(client->session << 8));
mmap_regions->hdr.opcode = LSM_SESSION_CMD_SHARED_MEM_MAP_REGIONS;
mmap_regions->mem_pool_id = ADSP_MEMORY_MAP_SHMEM8_4K_POOL;
mmap_regions->num_regions = 1;
mmap_regions->property_flag = 0x00;
payload = ((u8 *)mmap_region_cmd +
sizeof(struct avs_cmd_shared_mem_map_regions));
mregions = (struct avs_shared_map_region_payload *)payload;
mregions->shm_addr_lsw = lower_32_bits(dma_addr_p);
mregions->shm_addr_msw = msm_audio_populate_upper_32_bits(dma_addr_p);
mregions->mem_size_bytes = dma_buf_sz;
rc = q6lsm_apr_send_pkt(client, client->mmap_apr, mmap_region_cmd,
true, mmap_p);
if (rc)
pr_err("%s: Failed mmap_regions opcode 0x%x, rc %d\n",
__func__, mmap_regions->hdr.opcode, rc);
pr_debug("%s: leave %d\n", __func__, rc);
kfree(mmap_region_cmd);
return rc;
}
static int q6lsm_memory_unmap_regions(struct lsm_client *client,
uint32_t handle)
{
struct avs_cmd_shared_mem_unmap_regions unmap;
int rc = 0;
int cmd_size = 0;
if (CHECK_SESSION(client->session)) {
pr_err("%s: session[%d]", __func__, client->session);
return -EINVAL;
}
cmd_size = sizeof(struct avs_cmd_shared_mem_unmap_regions);
q6lsm_add_mmaphdr(client, &unmap.hdr, cmd_size,
true, (client->session << 8));
unmap.hdr.opcode = LSM_SESSION_CMD_SHARED_MEM_UNMAP_REGIONS;
unmap.mem_map_handle = handle;
pr_debug("%s: unmap handle 0x%x\n", __func__, unmap.mem_map_handle);
rc = q6lsm_apr_send_pkt(client, client->mmap_apr, &unmap, true,
NULL);
if (rc)
pr_err("%s: Failed mmap_regions opcode 0x%x rc %d\n",
__func__, unmap.hdr.opcode, rc);
return rc;
}
static int q6lsm_send_cal(struct lsm_client *client,
u32 set_params_opcode, struct lsm_params_info_v2 *p_info)
{
int rc = 0, stage_idx = p_info->stage_idx;
struct mem_mapping_hdr mem_hdr;
dma_addr_t lsm_cal_phy_addr;
memset(&mem_hdr, 0, sizeof(mem_hdr));
pr_debug("%s: Session id %d\n", __func__, client->session);
if (CHECK_SESSION(client->session)) {
pr_err("%s: session[%d]", __func__, client->session);
return -EINVAL;
}
lsm_cal_phy_addr = client->stage_cfg[stage_idx].cal_info.phys;
if (lsm_cal_phy_addr != 0) {
lsm_common.common_client[client->session].session = client->session;
mem_hdr.data_payload_addr_lsw = lower_32_bits(lsm_cal_phy_addr);
mem_hdr.data_payload_addr_msw =
msm_audio_populate_upper_32_bits(lsm_cal_phy_addr);
mem_hdr.mem_map_handle =
client->stage_cfg[stage_idx].cal_info.mem_map_handle;
rc = q6lsm_set_params(client, &mem_hdr, NULL,
client->stage_cfg[stage_idx].cal_info.size, set_params_opcode);
if (rc)
pr_err("%s: Failed set_params, rc %d\n", __func__, rc);
}
return rc;
}
static int q6lsm_snd_cal_free(struct lsm_client *client,
struct lsm_params_info_v2 *p_info)
{
int rc = 0, stage_idx = p_info->stage_idx;
struct lsm_cal_data_info *cal = NULL;
if (!client->stage_cfg[stage_idx].cal_info.data)
return 0;
mutex_lock(&client->cmd_lock);
cal = &client->stage_cfg[stage_idx].cal_info;
if (cal->mem_map_handle != 0) {
rc = q6lsm_memory_unmap_regions(client, cal->mem_map_handle);
if (rc)
pr_err("%s: CMD Memory_unmap_regions failed %d\n",
__func__, rc);
cal->mem_map_handle = 0;
}
msm_audio_ion_free(cal->dma_buf);
cal->dma_buf = NULL;
cal->data = NULL;
cal->phys = 0;
mutex_unlock(&client->cmd_lock);
return rc;
}
static int q6lsm_snd_cal_alloc(struct lsm_client *client,
struct lsm_params_info_v2 *p_info)
{
int rc = 0;
size_t len = 0, total_mem = 0;
struct lsm_cal_data_info *cal = NULL;
struct cal_block_data *cal_block = NULL;
struct audio_cal_info_lsm *lsm_cal_info = NULL;
struct list_head *ptr = NULL;
int app_type, stage_idx = p_info->stage_idx;
bool cal_block_found = false;
app_type = client->stage_cfg[stage_idx].app_type;
pr_debug("%s: app_type %d, stage_idx %d\n",
__func__, app_type, stage_idx);
mutex_lock(&client->cmd_lock);
mutex_lock(&lsm_common.cal_data[LSM_CAL_IDX]->lock);
list_for_each(ptr, &lsm_common.cal_data[LSM_CAL_IDX]->cal_blocks) {
cal_block = list_entry(ptr, struct cal_block_data, list);
lsm_cal_info = (struct audio_cal_info_lsm *)
(cal_block) ? cal_block->cal_info : NULL;
if ((cal_block && cal_block->cal_data.paddr) &&
(lsm_cal_info != NULL) &&
(app_type == 0 || app_type == lsm_cal_info->app_type)) {
cal_block_found = true;
len = cal_block->cal_data.size;
break;
}
}
if (!cal_block_found) {
pr_info("%s: cal not found for stage_idx %d\n", __func__, stage_idx);
goto exit;
}
if (!len) {
pr_debug("%s: cal size is 0, for stage_idx %d\n", __func__, stage_idx);
goto exit;
}
cal = &client->stage_cfg[stage_idx].cal_info;
if (cal->data) {
pr_debug("%s: cal data for stage_idx(%d) is already set \n",
__func__, stage_idx);
goto exit;
}
cal->size = len;
total_mem = PAGE_ALIGN(len);
pr_debug("%s: cal info data size %zd Total mem %zd, stage_idx %d\n",
__func__, len, total_mem, stage_idx);
rc = msm_audio_ion_alloc(&cal->dma_buf, total_mem,
&cal->phys, &len, &cal->data);
if (rc) {
pr_err("%s: Audio ION alloc is failed for stage_idx %d, rc = %d\n",
__func__, stage_idx, rc);
cal->dma_buf = NULL;
cal->data = NULL;
goto exit;
}
memcpy(cal->data, (uint32_t *)cal_block->cal_data.kvaddr, cal->size);
mutex_unlock(&lsm_common.cal_data[LSM_CAL_IDX]->lock);
mutex_unlock(&client->cmd_lock);
rc = q6lsm_memory_map_regions(client, cal->phys, len, &cal->mem_map_handle);
if (rc) {
pr_err("%s: CMD Memory_map_regions failed for stage_idx %d, rc = %d\n",
__func__, stage_idx, rc);
cal->mem_map_handle = 0;
goto fail;
}
return 0;
exit:
mutex_unlock(&client->cmd_lock);
mutex_unlock(&lsm_common.cal_data[LSM_CAL_IDX]->lock);
fail:
q6lsm_snd_cal_free(client, p_info);
return rc;
}
/**
* q6lsm_snd_model_buf_free -
* Free memory for LSM snd model
*
* @client: LSM client handle
* @p_info: sound model param info
*
* Returns 0 on success or error on failure
*/
int q6lsm_snd_model_buf_free(struct lsm_client *client,
struct lsm_params_info_v2 *p_info)
{
int rc = 0, stage_idx = p_info->stage_idx;
struct lsm_sound_model *sm = NULL;
pr_debug("%s: Session id %d\n", __func__, client->session);
if (CHECK_SESSION(client->session)) {
pr_err("%s: session[%d]", __func__, client->session);
return -EINVAL;
}
if (!client->stage_cfg[stage_idx].sound_model.data)
return 0;
mutex_lock(&client->cmd_lock);
sm = &client->stage_cfg[stage_idx].sound_model;
if (sm->mem_map_handle != 0) {
rc = q6lsm_memory_unmap_regions(client, sm->mem_map_handle);
if (rc)
pr_err("%s: CMD Memory_unmap_regions failed %d\n",
__func__, rc);
sm->mem_map_handle = 0;
}
msm_audio_ion_free(sm->dma_buf);
sm->dma_buf = NULL;
sm->data = NULL;
sm->phys = 0;
mutex_unlock(&client->cmd_lock);
rc = q6lsm_snd_cal_free(client, p_info);
return rc;
}
EXPORT_SYMBOL(q6lsm_snd_model_buf_free);
static struct lsm_client *q6lsm_get_lsm_client(int session_id)
{
unsigned long flags;
struct lsm_client *client = NULL;
spin_lock_irqsave(&lsm_session_lock, flags);
if (session_id < LSM_MIN_SESSION_ID || session_id > LSM_MAX_SESSION_ID)
pr_err("%s: Invalid session %d\n", __func__, session_id);
else if (!lsm_session[session_id])
pr_err("%s: Not an active session %d\n", __func__, session_id);
else
client = lsm_session[session_id];
spin_unlock_irqrestore(&lsm_session_lock, flags);
return client;
}
/*
* q6lsm_mmapcallback : atomic context
*/
static int q6lsm_mmapcallback(struct apr_client_data *data, void *priv)
{
unsigned long flags;
uint32_t command;
uint32_t retcode;
uint32_t sid;
const uint32_t *payload = data->payload;
struct lsm_client *client = NULL;
if (data->opcode == RESET_EVENTS) {
sid = (data->token >> 8) & 0x0F;
pr_debug("%s: SSR event received 0x%x, event 0x%x,\n"
"proc 0x%x SID 0x%x\n", __func__, data->opcode,
data->reset_event, data->reset_proc, sid);
apr_reset(lsm_common.apr);
lsm_common.apr = NULL;
atomic_set(&lsm_common.apr_users, 0);
cal_utils_clear_cal_block_q6maps(LSM_MAX_CAL_IDX,
lsm_common.cal_data);
lsm_common.set_custom_topology = 1;
return 0;
}
command = payload[0];
retcode = payload[1];
sid = (data->token >> 8) & 0x0F;
pr_debug("%s: opcode 0x%x command 0x%x return code 0x%x SID 0x%x\n",
__func__, data->opcode, command, retcode, sid);
client = q6lsm_get_lsm_client(sid);
if (!client) {
pr_debug("%s: Session %d already freed\n", __func__, sid);
return 0;
}
switch (data->opcode) {
case LSM_SESSION_CMDRSP_SHARED_MEM_MAP_REGIONS:
if (atomic_read(&client->cmd_state) == CMD_STATE_WAIT_RESP) {
spin_lock_irqsave(&mmap_lock, flags);
*mmap_handle_p = command;
/* spin_unlock_irqrestore implies barrier */
spin_unlock_irqrestore(&mmap_lock, flags);
atomic_set(&client->cmd_state, CMD_STATE_CLEARED);
wake_up(&client->cmd_wait);
}
break;
case APR_BASIC_RSP_RESULT:
switch (command) {
case LSM_SESSION_CMD_SHARED_MEM_UNMAP_REGIONS:
atomic_set(&client->cmd_state, CMD_STATE_CLEARED);
wake_up(&client->cmd_wait);
break;
case LSM_SESSION_CMD_SHARED_MEM_MAP_REGIONS:
if (retcode != 0) {
/* error state, signal to stop waiting */
if (atomic_read(&client->cmd_state) ==
CMD_STATE_WAIT_RESP) {
spin_lock_irqsave(&mmap_lock, flags);
/* implies barrier */
spin_unlock_irqrestore(&mmap_lock,
flags);
atomic_set(&client->cmd_state,
CMD_STATE_CLEARED);
wake_up(&client->cmd_wait);
}
}
break;
default:
pr_warn("%s: Unexpected command 0x%x\n", __func__,
command);
}
/* fallthrough */
default:
pr_debug("%s: command 0x%x return code 0x%x opcode 0x%x\n",
__func__, command, retcode, data->opcode);
break;
}
if (client->cb)
client->cb(data->opcode, data->token,
data->payload, client->priv);
return 0;
}
/**
* q6lsm_snd_model_buf_alloc -
* Allocate memory for LSM snd model
*
* @client: LSM client handle
* @len: size of sound model
* @p_info: sound model param info
* p_info->param_id != 0 when using set param to register sound model
*
* Returns 0 on success or error on failure
*/
int q6lsm_snd_model_buf_alloc(struct lsm_client *client, size_t len,
struct lsm_params_info_v2 *p_info)
{
int rc = -EINVAL, stage_idx = p_info->stage_idx;
size_t total_mem = 0;
struct lsm_sound_model *sm = NULL;
if (!client || len <= LSM_ALIGN_BOUNDARY)
return rc;
pr_debug("%s:Snd Model len = %zd, stage idx %d\n",
__func__, len, stage_idx);
mutex_lock(&client->cmd_lock);
sm = &client->stage_cfg[stage_idx].sound_model;
if (!sm->data) {
/*
* If sound model is sent as set_param, i.e. param_id != 0,
* Then memory needs to be allocated for
* set_param payload as well.
*/
if (p_info->param_id != 0)
len += sizeof(union param_hdrs);
sm->size = len;
total_mem = PAGE_ALIGN(len);
pr_debug("%s: sm param size %zd Total mem %zd, stage_idx %d\n",
__func__, len, total_mem, stage_idx);
rc = msm_audio_ion_alloc(&sm->dma_buf, total_mem,
&sm->phys, &len, &sm->data);
if (rc) {
pr_err("%s: Audio ION alloc is failed, rc = %d, stage_idx = %d\n",
__func__, rc, stage_idx);
goto fail;
}
} else {
pr_err("%s: sound model busy, stage_idx %d\n", __func__, stage_idx);
rc = -EBUSY;
goto fail;
}
rc = q6lsm_memory_map_regions(client, sm->phys, len, &sm->mem_map_handle);
if (rc) {
pr_err("%s: CMD Memory_map_regions failed %d, stage_idx %d\n",
__func__, rc, stage_idx);
sm->mem_map_handle = 0;
goto fail;
}
mutex_unlock(&client->cmd_lock);
rc = q6lsm_snd_cal_alloc(client, p_info);
if (rc) {
pr_err("%s: cal alloc failed %d, stage_idx %d\n",
__func__, rc, stage_idx);
goto fail_1;
}
return rc;
fail:
mutex_unlock(&client->cmd_lock);
fail_1:
q6lsm_snd_model_buf_free(client, p_info);
return rc;
}
EXPORT_SYMBOL(q6lsm_snd_model_buf_alloc);
static int q6lsm_cmd(struct lsm_client *client, int opcode, bool wait)
{
struct apr_hdr hdr;
int rc;
pr_debug("%s: enter opcode %x wait %d\n", __func__, opcode, wait);
q6lsm_add_hdr(client, &hdr, sizeof(hdr), true);
switch (opcode) {
case LSM_SESSION_CMD_START:
case LSM_SESSION_CMD_STOP:
case LSM_SESSION_CMD_CLOSE_TX:
case LSM_SESSION_CMD_EOB:
hdr.opcode = opcode;
break;
default:
pr_err("%s: Invalid opcode 0x%x\n", __func__, opcode);
return -EINVAL;
}
rc = q6lsm_apr_send_pkt(client, client->apr, &hdr, wait, NULL);
if (rc)
pr_err("%s: Failed commmand 0x%x\n", __func__, hdr.opcode);
pr_debug("%s: leave %d\n", __func__, rc);
return rc;
}
static int q6lsm_send_param_epd_thres(struct lsm_client *client, void *data,
struct param_hdr_v3 *param_info)
{
struct snd_lsm_ep_det_thres *ep_det_data = NULL;
struct lsm_param_epd_thres epd_thres;
int rc = 0;
memset(&epd_thres, 0, sizeof(epd_thres));
param_info->param_size = sizeof(epd_thres);
ep_det_data = (struct snd_lsm_ep_det_thres *) data;
epd_thres.minor_version = QLSM_PARAM_ID_MINOR_VERSION;
epd_thres.epd_begin = ep_det_data->epd_begin;
epd_thres.epd_end = ep_det_data->epd_end;
rc = q6lsm_pack_and_set_params(client, param_info,
(uint8_t *) &epd_thres,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (unlikely(rc))
pr_err("%s: EPD_THRESHOLD failed, rc %d\n", __func__, rc);
return rc;
}
static int q6lsm_send_param_gain(struct lsm_client *client, u16 gain,
struct param_hdr_v3 *param_info)
{
struct lsm_param_gain lsm_gain;
int rc = 0;
memset(&lsm_gain, 0, sizeof(lsm_gain));
param_info->param_size = sizeof(lsm_gain);
lsm_gain.minor_version = QLSM_PARAM_ID_MINOR_VERSION;
lsm_gain.gain = gain;
rc = q6lsm_pack_and_set_params(client, param_info,
(uint8_t *) &lsm_gain,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (unlikely(rc))
pr_err("%s: LSM_GAIN CMD send failed, rc %d\n", __func__, rc);
return rc;
}
/**
* q6lsm_set_one_param -
* command for LSM set params
*
* @client: LSM client handle
* p_info: Params info
* data: payload based on param type
* param_type: LSM param type
*
* Returns 0 on success or error on failure
*/
int q6lsm_set_one_param(struct lsm_client *client,
struct lsm_params_info_v2 *p_info, void *data,
uint32_t param_type)
{
struct param_hdr_v3 param_info;
int rc = 0;
memset(¶m_info, 0, sizeof(param_info));
switch (param_type) {
case LSM_ENDPOINT_DETECT_THRESHOLD: {
param_info.module_id = p_info->module_id;
param_info.instance_id = p_info->instance_id;
param_info.param_id = p_info->param_id;
rc = q6lsm_send_param_epd_thres(client, data, ¶m_info);
if (rc)
pr_err("%s: LSM_ENDPOINT_DETECT_THRESHOLD failed, rc %d\n",
__func__, rc);
break;
}
case LSM_OPERATION_MODE: {
struct snd_lsm_detect_mode *det_mode = data;
if (det_mode->mode == LSM_MODE_KEYWORD_ONLY_DETECTION) {
client->mode = 0x01;
} else if (det_mode->mode == LSM_MODE_USER_KEYWORD_DETECTION) {
client->mode = 0x03;
} else {
pr_err("%s: Incorrect detection mode %d\n",
__func__, det_mode->mode);
return -EINVAL;
}
client->mode |= det_mode->detect_failure << 2;
param_info.module_id = p_info->module_id;
param_info.instance_id = p_info->instance_id;
param_info.param_id = p_info->param_id;
rc = q6lsm_send_param_opmode(client, ¶m_info,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: OPERATION_MODE failed, rc %d\n",
__func__, rc);
break;
}
case LSM_GAIN: {
struct snd_lsm_gain *lsm_gain = (struct snd_lsm_gain *) data;
param_info.module_id = p_info->module_id;
param_info.instance_id = p_info->instance_id;
param_info.param_id = p_info->param_id;
rc = q6lsm_send_param_gain(client, lsm_gain->gain, ¶m_info);
if (rc)
pr_err("%s: LSM_GAIN command failed, rc %d\n",
__func__, rc);
break;
}
case LSM_MIN_CONFIDENCE_LEVELS:
param_info.module_id = p_info->module_id;
param_info.instance_id = p_info->instance_id;
param_info.param_id = p_info->param_id;
rc = q6lsm_send_confidence_levels(
client, ¶m_info, LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: CONFIDENCE_LEVELS cmd failed, rc %d\n",
__func__, rc);
break;
case LSM_POLLING_ENABLE: {
struct snd_lsm_poll_enable *lsm_poll_enable =
(struct snd_lsm_poll_enable *) data;
param_info.module_id = p_info->module_id;
param_info.instance_id = p_info->instance_id;
param_info.param_id = p_info->param_id;
rc = q6lsm_send_param_polling_enable(
client, lsm_poll_enable->poll_en, ¶m_info,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: POLLING ENABLE cmd failed, rc %d\n",
__func__, rc);
break;
}
case LSM_REG_SND_MODEL: {
struct mem_mapping_hdr mem_hdr;
u32 payload_size;
struct lsm_sound_model *sm = NULL;
memset(&mem_hdr, 0, sizeof(mem_hdr));
if (q6common_is_instance_id_supported())
payload_size = p_info->param_size +
sizeof(struct param_hdr_v3);
else
payload_size = p_info->param_size +
sizeof(struct param_hdr_v2);
sm = &client->stage_cfg[p_info->stage_idx].sound_model;
mem_hdr.data_payload_addr_lsw =
lower_32_bits(sm->phys);
mem_hdr.data_payload_addr_msw =
msm_audio_populate_upper_32_bits(
sm->phys),
mem_hdr.mem_map_handle = sm->mem_map_handle;
rc = q6lsm_set_params(client, &mem_hdr, NULL, payload_size,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc) {
pr_err("%s: REG_SND_MODEL failed, rc %d\n",
__func__, rc);
return rc;
}
rc = q6lsm_send_cal(client, LSM_SESSION_CMD_SET_PARAMS, p_info);
if (rc)
pr_err("%s: Failed to send lsm cal, err = %d\n",
__func__, rc);
break;
}
case LSM_DEREG_SND_MODEL: {
param_info.module_id = p_info->module_id;
param_info.instance_id = p_info->instance_id;
param_info.param_id = p_info->param_id;
param_info.param_size = 0;
rc = q6lsm_pack_and_set_params(client, ¶m_info, NULL,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: DEREG_SND_MODEL failed, rc %d\n",
__func__, rc);
break;
}
case LSM_CUSTOM_PARAMS: {
u32 param_size = p_info->param_size;
/* Check minimum size, V2 structure is smaller than V3 */
if (param_size < sizeof(struct param_hdr_v2)) {
pr_err("%s: Invalid param_size %d\n", __func__,
param_size);
return -EINVAL;
}
rc = q6lsm_set_params(client, NULL, data, param_size,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: CUSTOM_PARAMS failed, rc %d\n",
__func__, rc);
break;
}
case LSM_DET_EVENT_TYPE: {
struct lsm_param_det_event_type det_event_type;
struct snd_lsm_det_event_type *det_event_data =
(struct snd_lsm_det_event_type *)data;
param_info.module_id = p_info->module_id;
param_info.instance_id = p_info->instance_id;
param_info.param_id = p_info->param_id;
param_info.param_size = sizeof(det_event_type);
memset(&det_event_type, 0, sizeof(det_event_type));
det_event_type.minor_version = QLSM_PARAM_ID_MINOR_VERSION;
det_event_type.event_type = det_event_data->event_type;
det_event_type.mode = det_event_data->mode;
rc = q6lsm_pack_and_set_params(client, ¶m_info,
(uint8_t *)&det_event_type,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: DET_EVENT_TYPE cmd failed, rc %d\n",
__func__, rc);
break;
}
default:
pr_err("%s: wrong param_type 0x%x\n",
__func__, p_info->param_type);
}
return rc;
}
EXPORT_SYMBOL(q6lsm_set_one_param);
/**
* q6lsm_start -
* command for LSM start
*
* @client: LSM client handle
*
* Returns 0 on success or error on failure
*/
int q6lsm_start(struct lsm_client *client, bool wait)
{
return q6lsm_cmd(client, LSM_SESSION_CMD_START, wait);
}
EXPORT_SYMBOL(q6lsm_start);
/**
* q6lsm_stop -
* command for LSM stop
*
* @client: LSM client handle
*
* Returns 0 on success or error on failure
*/
int q6lsm_stop(struct lsm_client *client, bool wait)
{
return q6lsm_cmd(client, LSM_SESSION_CMD_STOP, wait);
}
EXPORT_SYMBOL(q6lsm_stop);
/**
* q6lsm_close -
* command for LSM close
*
* @client: LSM client handle
*
* Returns 0 on success or error on failure
*/
int q6lsm_close(struct lsm_client *client)
{
return q6lsm_cmd(client, LSM_SESSION_CMD_CLOSE_TX, true);
}
EXPORT_SYMBOL(q6lsm_close);
/**
* q6lsm_lab_control -
* command to set LSM LAB control params
*
* @client: LSM client handle
* @enable: bool flag to enable or disable LAB on DSP
* @p_info: param info to be used for sending lab control param
*
* Returns 0 on success or error on failure
*/
int q6lsm_lab_control(struct lsm_client *client, u32 enable,
struct lsm_params_info_v2 *p_info)
{
struct lsm_param_lab_enable lab_enable;
struct param_hdr_v3 lab_enable_hdr;
struct lsm_param_lab_config lab_config;
struct param_hdr_v3 lab_config_hdr;
int rc = 0;
memset(&lab_enable, 0, sizeof(lab_enable));
memset(&lab_enable_hdr, 0, sizeof(lab_enable_hdr));
memset(&lab_config, 0, sizeof(lab_config));
memset(&lab_config_hdr, 0, sizeof(lab_config_hdr));
if (!client) {
pr_err("%s: invalid param client %pK\n", __func__, client);
return -EINVAL;
}
/* enable/disable lab on dsp */
lab_enable_hdr.module_id = p_info->module_id;
lab_enable_hdr.instance_id = p_info->instance_id;
lab_enable_hdr.param_id = LSM_PARAM_ID_LAB_ENABLE;
lab_enable_hdr.param_size = sizeof(lab_enable);
lab_enable.enable = (enable) ? 1 : 0;
rc = q6lsm_pack_and_set_params(client, &lab_enable_hdr,
(uint8_t *) &lab_enable,
LSM_SESSION_CMD_SET_PARAMS);
if (rc) {
pr_err("%s: Lab enable failed rc %d\n", __func__, rc);
return rc;
}
if (!enable)
goto exit;
/* lab session is being enabled set the config values */
lab_config_hdr.module_id = p_info->module_id;
lab_config_hdr.instance_id = p_info->instance_id;
lab_config_hdr.param_id = LSM_PARAM_ID_LAB_CONFIG;
lab_config_hdr.param_size = sizeof(lab_config);
lab_config.minor_version = 1;
lab_config.wake_up_latency_ms = 250;
rc = q6lsm_pack_and_set_params(client, &lab_config_hdr,
(uint8_t *) &lab_config,
LSM_SESSION_CMD_SET_PARAMS);
if (rc) {
pr_err("%s: Lab config failed rc %d disable lab\n",
__func__, rc);
/* Lab config failed disable lab */
lab_enable.enable = 0;
if (q6lsm_pack_and_set_params(client, &lab_enable_hdr,
(uint8_t *) &lab_enable,
LSM_SESSION_CMD_SET_PARAMS))
pr_err("%s: Lab disable failed\n", __func__);
}
exit:
return rc;
}
EXPORT_SYMBOL(q6lsm_lab_control);
/*
* q6lsm_lab_out_ch_cfg -
* Command to set the channel configuration
* for look-ahead buffer.
*
* @client: LSM client handle
* @ch_map: Channel map indicating the order
* of channels to be configured.
* @p_info: param info to be used for sending lab config param
*
* Returns 0 on success or error on failure
*/
int q6lsm_lab_out_ch_cfg(struct lsm_client *client,
u8 *ch_map, struct lsm_params_info_v2 *p_info)
{
u8 *param_buf;
struct lsm_param_lab_out_ch_cfg *lab_out_cfg;
struct param_hdr_v3 lab_out_cfg_hdr;
struct lsm_hw_params *out_params = &client->out_hw_params;
int i, rc = 0, param_len = 0;
param_len = sizeof(*lab_out_cfg) +
sizeof(u8) * out_params->num_chs;
if (param_len % 4)
param_len += (4 - (param_len % 4));
param_buf = kzalloc(param_len, GFP_KERNEL);
if (!param_buf)
return -ENOMEM;
lab_out_cfg = (struct lsm_param_lab_out_ch_cfg *) param_buf;
lab_out_cfg->minor_version = QLSM_PARAM_ID_MINOR_VERSION;
lab_out_cfg->num_channels = out_params->num_chs;
for (i = 0; i < out_params->num_chs; i++)
lab_out_cfg->channel_indices[i] = ch_map[i];
memset(&lab_out_cfg_hdr, 0, sizeof(lab_out_cfg_hdr));
lab_out_cfg_hdr.module_id = p_info->module_id;
lab_out_cfg_hdr.instance_id = p_info->instance_id;
lab_out_cfg_hdr.param_id = LSM_PARAM_ID_LAB_OUTPUT_CHANNEL_CONFIG;
lab_out_cfg_hdr.param_size = param_len;
rc = q6lsm_pack_and_set_params(client, &lab_out_cfg_hdr,
param_buf,
LSM_SESSION_CMD_SET_PARAMS_V2);
if (rc)
pr_err("%s: Lab out channel config failed %d\n",
__func__, rc);
kfree(param_buf);
return rc;
}
EXPORT_SYMBOL(q6lsm_lab_out_ch_cfg);
/**
* q6lsm_stop_lab -
* command to stop LSM LAB
*
* @client: LSM client handle
*
* Returns 0 on success or error on failure
*/
int q6lsm_stop_lab(struct lsm_client *client)
{
int rc = 0;
if (!client) {
pr_err("%s: invalid param client %pK\n", __func__, client);
return -EINVAL;
}
rc = q6lsm_cmd(client, LSM_SESSION_CMD_EOB, true);
if (rc)
pr_err("%s: Lab stop failed %d\n", __func__, rc);
return rc;
}
EXPORT_SYMBOL(q6lsm_stop_lab);
/**
* q6lsm_read -
* command for LSM read
*
* @client: LSM client handle
* @lsm_cmd_read: LSM read command
*
* Returns 0 on success or error on failure
*/
int q6lsm_read(struct lsm_client *client, struct lsm_cmd_read *read)
{
int rc = 0;
if (!client || !read) {
pr_err("%s: Invalid params client %pK read %pK\n", __func__,
client, read);
return -EINVAL;
}
pr_debug("%s: read call memmap handle %x address %x%x size %d\n",
__func__, read->mem_map_handle, read->buf_addr_msw,
read->buf_addr_lsw, read->buf_size);
q6lsm_add_hdr(client, &read->hdr, sizeof(struct lsm_cmd_read), true);
read->hdr.opcode = LSM_SESSION_CMD_READ;
rc = q6lsm_apr_send_pkt(client, client->apr, read, false, NULL);
if (rc)
pr_err("%s: read buffer call failed rc %d\n", __func__, rc);
return rc;
}
EXPORT_SYMBOL(q6lsm_read);
/**
* q6lsm_lab_buffer_alloc -
* Lab buffer allocation or de-alloc
*
* @client: LSM client handle
* @alloc: Allocate or free ion memory
*
* Returns 0 on success or error on failure
*/
int q6lsm_lab_buffer_alloc(struct lsm_client *client, bool alloc)
{
int ret = 0, i = 0;
size_t allocate_size = 0, len = 0;
struct lsm_hw_params *out_params = &client->out_hw_params;
if (!client) {
pr_err("%s: invalid client\n", __func__);
return -EINVAL;
}
if (alloc) {
if (client->lab_buffer) {
pr_err("%s: buffers are allocated period count %d period size %d\n",
__func__,
out_params->period_count,
out_params->buf_sz);
return -EINVAL;
}
allocate_size = out_params->period_count *
out_params->buf_sz;
allocate_size = PAGE_ALIGN(allocate_size);
client->lab_buffer =
kzalloc(sizeof(struct lsm_lab_buffer) *
out_params->period_count, GFP_KERNEL);
if (!client->lab_buffer) {
pr_err("%s: memory allocation for lab buffer failed count %d\n"
, __func__,
out_params->period_count);
return -ENOMEM;
}
ret = msm_audio_ion_alloc(&client->lab_buffer[0].dma_buf,
allocate_size, &client->lab_buffer[0].phys,
&len,
&client->lab_buffer[0].data);
if (ret)
pr_err("%s: ion alloc failed ret %d size %zd\n",
__func__, ret, allocate_size);
else {
ret = q6lsm_memory_map_regions(client,
client->lab_buffer[0].phys, len,
&client->lab_buffer[0].mem_map_handle);
if (ret) {
pr_err("%s: memory map filed ret %d size %zd\n",
__func__, ret, len);
msm_audio_ion_free(
client->lab_buffer[0].dma_buf);
}
}
if (ret) {
pr_err("%s: alloc lab buffer failed ret %d\n",
__func__, ret);
kfree(client->lab_buffer);
client->lab_buffer = NULL;
} else {
pr_debug("%s: Memory map handle %x phys %pK size %d\n",
__func__,
client->lab_buffer[0].mem_map_handle,
&client->lab_buffer[0].phys,
out_params->buf_sz);
for (i = 0; i < out_params->period_count; i++) {
client->lab_buffer[i].phys =
client->lab_buffer[0].phys +
(i * out_params->buf_sz);
client->lab_buffer[i].size =
out_params->buf_sz;
client->lab_buffer[i].data =
(u8 *)(client->lab_buffer[0].data) +
(i * out_params->buf_sz);
client->lab_buffer[i].mem_map_handle =
client->lab_buffer[0].mem_map_handle;
}
}
} else {
ret = q6lsm_memory_unmap_regions(client,
client->lab_buffer[0].mem_map_handle);
if (!ret)
msm_audio_ion_free(client->lab_buffer[0].dma_buf);
else
pr_err("%s: unmap failed not freeing memory\n",
__func__);
kfree(client->lab_buffer);
client->lab_buffer = NULL;
}
return ret;
}
EXPORT_SYMBOL(q6lsm_lab_buffer_alloc);
static int get_cal_type_index(int32_t cal_type)
{
int ret = -EINVAL;
switch (cal_type) {
case LSM_CUST_TOPOLOGY_CAL_TYPE:
ret = LSM_CUSTOM_TOP_IDX;
break;
case LSM_TOPOLOGY_CAL_TYPE:
ret = LSM_TOP_IDX;
break;
case LSM_CAL_TYPE:
ret = LSM_CAL_IDX;
break;
default:
pr_err("%s: invalid cal type %d!\n", __func__, cal_type);
}
return ret;
}
static int q6lsm_alloc_cal(int32_t cal_type,
size_t data_size, void *data)
{
int ret = 0;
int cal_index;
pr_debug("%s:\n", __func__);
cal_index = get_cal_type_index(cal_type);
if (cal_index < 0) {
pr_err("%s: could not get cal index %d!\n",
__func__, cal_index);
ret = -EINVAL;
goto done;
}
ret = cal_utils_alloc_cal(data_size, data,
lsm_common.cal_data[cal_index], 0, NULL);
if (ret < 0) {
pr_err("%s: cal_utils_alloc_block failed, ret = %d, cal type = %d!\n",
__func__, ret, cal_type);
ret = -EINVAL;
goto done;
}
done:
return ret;
}
static int q6lsm_dealloc_cal(int32_t cal_type,
size_t data_size, void *data)
{
int ret = 0;
int cal_index;
pr_debug("%s:\n", __func__);
cal_index = get_cal_type_index(cal_type);
if (cal_index < 0) {
pr_err("%s: could not get cal index %d!\n",
__func__, cal_index);
ret = -EINVAL;
goto done;
}
ret = cal_utils_dealloc_cal(data_size, data,
lsm_common.cal_data[cal_index]);
if (ret < 0) {
pr_err("%s: cal_utils_dealloc_block failed, ret = %d, cal type = %d!\n",
__func__, ret, cal_type);
ret = -EINVAL;
goto done;
}
done:
return ret;
}
static int q6lsm_set_cal(int32_t cal_type,
size_t data_size, void *data)
{
int ret = 0;
int cal_index;
pr_debug("%s:\n", __func__);
cal_index = get_cal_type_index(cal_type);
if (cal_index < 0) {
pr_err("%s: could not get cal index %d!\n",
__func__, cal_index);
ret = -EINVAL;
goto done;
}
ret = cal_utils_set_cal(data_size, data,
lsm_common.cal_data[cal_index], 0, NULL);
if (ret < 0) {
pr_err("%s: cal_utils_set_cal failed, ret = %d, cal type = %d!\n",
__func__, ret, cal_type);
ret = -EINVAL;
goto done;
}
if (cal_index == LSM_CUSTOM_TOP_IDX) {
mutex_lock(&lsm_common.cal_data[LSM_CUSTOM_TOP_IDX]->lock);
lsm_common.set_custom_topology = 1;
mutex_unlock(&lsm_common.cal_data[LSM_CUSTOM_TOP_IDX]->lock);
}
done:
return ret;
}
static void lsm_delete_cal_data(void)
{
pr_debug("%s:\n", __func__);
cal_utils_destroy_cal_types(LSM_MAX_CAL_IDX, lsm_common.cal_data);
}
static int q6lsm_init_cal_data(void)
{
int ret = 0;
struct cal_type_info cal_type_info[] = {
{{LSM_CUST_TOPOLOGY_CAL_TYPE,
{q6lsm_alloc_cal, q6lsm_dealloc_cal, NULL,
q6lsm_set_cal, NULL, NULL} },
{NULL, NULL, cal_utils_match_buf_num} },
{{LSM_TOPOLOGY_CAL_TYPE,
{NULL, NULL, NULL,
q6lsm_set_cal, NULL, NULL} },
{NULL, NULL, cal_utils_match_buf_num} },
{{LSM_CAL_TYPE,
{q6lsm_alloc_cal, q6lsm_dealloc_cal, NULL,
q6lsm_set_cal, NULL, NULL} },
{NULL, NULL, cal_utils_match_buf_num} }
};
pr_debug("%s:\n", __func__);
ret = cal_utils_create_cal_types(LSM_MAX_CAL_IDX,
lsm_common.cal_data, cal_type_info);
if (ret < 0) {
pr_err("%s: could not create cal type!\n",
__func__);
ret = -EINVAL;
goto err;
}
return ret;
err:
lsm_delete_cal_data();
return ret;
}
int __init q6lsm_init(void)
{
int i = 0;
pr_debug("%s:\n", __func__);
memset(&lsm_common, 0, sizeof(lsm_common));
spin_lock_init(&lsm_session_lock);
spin_lock_init(&mmap_lock);
mutex_init(&lsm_common.apr_lock);
for (; i <= LSM_MAX_SESSION_ID; i++) {
lsm_common.common_client[i].session = LSM_CONTROL_SESSION;
init_waitqueue_head(&lsm_common.common_client[i].cmd_wait);
mutex_init(&lsm_common.common_client[i].cmd_lock);
atomic_set(&lsm_common.common_client[i].cmd_state,
CMD_STATE_CLEARED);
}
if (q6lsm_init_cal_data())
pr_err("%s: could not init cal data!\n", __func__);
return 0;
}
void q6lsm_exit(void)
{
lsm_delete_cal_data();
}