blob: 9a2d4d361b3426eb7d2598bf0a22d1222b8e09a0 [file] [log] [blame]
/* Copyright (c) 2010-2013, 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/slab.h>
#include <linux/fs.h>
#include <linux/module.h>
#include <linux/miscdevice.h>
#include <linux/mutex.h>
#include <linux/uaccess.h>
#include <linux/msm_ion.h>
#include <linux/mm.h>
#include <linux/msm_audio_ion.h>
#include "audio_acdb.h"
#include "q6voice.h"
#include <sound/q6adm-v2.h>
#include <sound/q6afe-v2.h>
#include <sound/q6asm-v2.h>
#include <sound/q6lsm.h>
#define MAX_NETWORKS 15
#define MAX_IOCTL_DATA (MAX_NETWORKS * 2)
#define MAX_COL_SIZE 324
#define ACDB_BLOCK_SIZE 4096
#define NUM_VOCPROC_BLOCKS (6 * MAX_NETWORKS)
#define ACDB_TOTAL_VOICE_ALLOCATION (ACDB_BLOCK_SIZE * NUM_VOCPROC_BLOCKS)
#define MAX_HW_DELAY_ENTRIES 25
struct sidetone_atomic_cal {
atomic_t enable;
atomic_t gain;
};
struct acdb_data {
struct mutex acdb_mutex;
/* ANC Cal */
struct acdb_atomic_cal_block anc_cal;
/* AANC Cal */
struct acdb_atomic_cal_block aanc_cal;
/* LSM Cal */
struct acdb_atomic_cal_block lsm_cal;
/* AudProc Cal */
atomic_t asm_topology;
atomic_t adm_topology[MAX_AUDPROC_TYPES];
struct acdb_atomic_cal_block audproc_cal[MAX_AUDPROC_TYPES];
struct acdb_atomic_cal_block audstrm_cal[MAX_AUDPROC_TYPES];
struct acdb_atomic_cal_block audvol_cal[MAX_AUDPROC_TYPES];
/* VocProc Cal */
atomic_t voice_rx_topology;
atomic_t voice_tx_topology;
struct acdb_atomic_cal_block vocproc_cal;
struct acdb_atomic_cal_block vocstrm_cal;
struct acdb_atomic_cal_block vocvol_cal;
/* Voice Column data */
struct acdb_atomic_cal_block vocproc_col_cal[MAX_VOCPROC_TYPES];
uint32_t *col_data[MAX_VOCPROC_TYPES];
/* VocProc dev cfg cal*/
struct acdb_atomic_cal_block vocproc_dev_cal;
/* Custom topology */
struct acdb_atomic_cal_block adm_custom_topology;
struct acdb_atomic_cal_block asm_custom_topology;
atomic_t valid_adm_custom_top;
atomic_t valid_asm_custom_top;
/* AFE cal */
struct acdb_atomic_cal_block afe_cal[MAX_AUDPROC_TYPES];
/* Sidetone Cal */
struct sidetone_atomic_cal sidetone_cal;
/* Allocation information */
struct ion_client *ion_client;
struct ion_handle *ion_handle;
atomic_t map_handle;
atomic64_t paddr;
atomic64_t kvaddr;
atomic64_t mem_len;
/* Speaker protection */
struct msm_spk_prot_cfg spk_prot_cfg;
/* Av sync delay info */
struct hw_delay hw_delay_rx;
struct hw_delay hw_delay_tx;
};
static struct acdb_data acdb_data;
static atomic_t usage_count;
uint32_t get_voice_rx_topology(void)
{
return atomic_read(&acdb_data.voice_rx_topology);
}
void store_voice_rx_topology(uint32_t topology)
{
atomic_set(&acdb_data.voice_rx_topology, topology);
}
uint32_t get_voice_tx_topology(void)
{
return atomic_read(&acdb_data.voice_tx_topology);
}
void store_voice_tx_topology(uint32_t topology)
{
atomic_set(&acdb_data.voice_tx_topology, topology);
}
uint32_t get_adm_rx_topology(void)
{
return atomic_read(&acdb_data.adm_topology[RX_CAL]);
}
void store_adm_rx_topology(uint32_t topology)
{
atomic_set(&acdb_data.adm_topology[RX_CAL], topology);
}
uint32_t get_adm_tx_topology(void)
{
return atomic_read(&acdb_data.adm_topology[TX_CAL]);
}
void store_adm_tx_topology(uint32_t topology)
{
atomic_set(&acdb_data.adm_topology[TX_CAL], topology);
}
uint32_t get_asm_topology(void)
{
return atomic_read(&acdb_data.asm_topology);
}
void store_asm_topology(uint32_t topology)
{
atomic_set(&acdb_data.asm_topology, topology);
}
void reset_custom_topology_flags(void)
{
atomic_set(&acdb_data.valid_adm_custom_top, 1);
atomic_set(&acdb_data.valid_asm_custom_top, 1);
}
int get_adm_custom_topology(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
/* Only return allow one access after memory registered */
if (atomic_read(&acdb_data.valid_adm_custom_top) == 0) {
cal_block->cal_size = 0;
goto done;
}
atomic_set(&acdb_data.valid_adm_custom_top, 0);
cal_block->cal_size =
atomic_read(&acdb_data.adm_custom_topology.cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.adm_custom_topology.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.adm_custom_topology.cal_kvaddr);
done:
return result;
}
int store_adm_custom_topology(struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block->cal_offset > atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.adm_custom_topology.cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.adm_custom_topology.cal_paddr,
cal_block->cal_offset + atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.adm_custom_topology.cal_kvaddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_asm_custom_topology(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
/* Only return allow one access after memory registered */
if (atomic_read(&acdb_data.valid_asm_custom_top) == 0) {
cal_block->cal_size = 0;
goto done;
}
atomic_set(&acdb_data.valid_asm_custom_top, 0);
cal_block->cal_size =
atomic_read(&acdb_data.asm_custom_topology.cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.asm_custom_topology.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.asm_custom_topology.cal_kvaddr);
done:
return result;
}
int store_asm_custom_topology(struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block->cal_offset > atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.asm_custom_topology.cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.asm_custom_topology.cal_paddr,
cal_block->cal_offset + atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.asm_custom_topology.cal_kvaddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_voice_cal_allocation(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_block->cal_size = ACDB_TOTAL_VOICE_ALLOCATION;
cal_block->cal_paddr =
atomic_read(&acdb_data.vocproc_cal.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.vocproc_cal.cal_kvaddr);
done:
return result;
}
int get_aanc_cal(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.aanc_cal.cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.aanc_cal.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.aanc_cal.cal_kvaddr);
done:
return result;
}
int store_aanc_cal(struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block->cal_offset > atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.aanc_cal.cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.aanc_cal.cal_paddr,
cal_block->cal_offset + atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.aanc_cal.cal_kvaddr,
cal_block->cal_offset + atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_lsm_cal(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.lsm_cal.cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.lsm_cal.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.lsm_cal.cal_kvaddr);
done:
return result;
}
int store_lsm_cal(struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block->cal_offset > atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.lsm_cal.cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.lsm_cal.cal_paddr,
cal_block->cal_offset + atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.lsm_cal.cal_kvaddr,
cal_block->cal_offset + atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_hw_delay(int32_t path, struct hw_delay_entry *entry)
{
int i, result = 0;
struct hw_delay *delay = NULL;
struct hw_delay_entry *info = NULL;
pr_debug("%s,\n", __func__);
if (entry == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto ret;
}
if ((path >= MAX_AUDPROC_TYPES) || (path < 0)) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto ret;
}
mutex_lock(&acdb_data.acdb_mutex);
if (path == RX_CAL)
delay = &acdb_data.hw_delay_rx;
else if (path == TX_CAL)
delay = &acdb_data.hw_delay_tx;
if ((delay == NULL) || ((delay != NULL) && delay->num_entries == 0)) {
pr_err("ACDB=> %s Invalid delay/ delay entries\n", __func__);
result = -EINVAL;
goto done;
}
info = (struct hw_delay_entry *)(delay->delay_info);
if (info == NULL) {
pr_err("ACDB=> %s Delay entries info is NULL\n", __func__);
result = -EFAULT;
goto done;
}
for (i = 0; i < delay->num_entries; i++) {
if (info[i].sample_rate == entry->sample_rate) {
entry->delay_usec = info[i].delay_usec;
break;
}
}
if (i == delay->num_entries) {
pr_err("ACDB=> %s: Unable to find delay for sample rate %d\n",
__func__, entry->sample_rate);
result = -EFAULT;
}
done:
mutex_unlock(&acdb_data.acdb_mutex);
ret:
pr_debug("ACDB=> %s: Path = %d samplerate = %u usec = %u status %d\n",
__func__, path, entry->sample_rate, entry->delay_usec, result);
return result;
}
int store_hw_delay(int32_t path, void *arg)
{
int result = 0;
struct hw_delay delay;
struct hw_delay *delay_dest = NULL;
pr_debug("%s,\n", __func__);
if ((path >= MAX_AUDPROC_TYPES) || (path < 0) || (arg == NULL)) {
pr_err("ACDB=> Bad path/ pointer sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
result = copy_from_user((void *)&delay, (void *)arg,
sizeof(struct hw_delay));
if (result) {
pr_err("ACDB=> %s failed to copy hw delay: result=%d path=%d\n",
__func__, result, path);
result = -EFAULT;
goto done;
}
if ((delay.num_entries <= 0) ||
(delay.num_entries > MAX_HW_DELAY_ENTRIES)) {
pr_err("ACDB=> %s incorrect no of hw delay entries: %d\n",
__func__, delay.num_entries);
result = -EINVAL;
goto done;
}
if ((path >= MAX_AUDPROC_TYPES) || (path < 0)) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
pr_debug("ACDB=> %s : Path = %d num_entries = %d\n",
__func__, path, delay.num_entries);
mutex_lock(&acdb_data.acdb_mutex);
if (path == RX_CAL)
delay_dest = &acdb_data.hw_delay_rx;
else if (path == TX_CAL)
delay_dest = &acdb_data.hw_delay_tx;
delay_dest->num_entries = delay.num_entries;
result = copy_from_user(delay_dest->delay_info,
delay.delay_info,
(sizeof(struct hw_delay_entry)*
delay.num_entries));
if (result) {
pr_err("ACDB=> %s failed to copy hw delay info res=%d path=%d",
__func__, result, path);
result = -EFAULT;
}
mutex_unlock(&acdb_data.acdb_mutex);
done:
return result;
}
int get_anc_cal(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.anc_cal.cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.anc_cal.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.anc_cal.cal_kvaddr);
done:
return result;
}
int store_anc_cal(struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block->cal_offset > atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.anc_cal.cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.anc_cal.cal_paddr,
cal_block->cal_offset + atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.anc_cal.cal_kvaddr,
cal_block->cal_offset + atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int store_afe_cal(int32_t path, struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s, path = %d\n", __func__, path);
if (cal_block->cal_offset > atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
result = -EINVAL;
goto done;
}
if ((path >= MAX_AUDPROC_TYPES) || (path < 0)) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.afe_cal[path].cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.afe_cal[path].cal_paddr,
cal_block->cal_offset + atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.afe_cal[path].cal_kvaddr,
cal_block->cal_offset + atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_afe_cal(int32_t path, struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s, path = %d\n", __func__, path);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
if ((path >= MAX_AUDPROC_TYPES) || (path < 0)) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.afe_cal[path].cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.afe_cal[path].cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.afe_cal[path].cal_kvaddr);
done:
return result;
}
int store_audproc_cal(int32_t path, struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s, path = %d\n", __func__, path);
if (cal_block->cal_offset > atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
result = -EINVAL;
goto done;
}
if (path >= MAX_AUDPROC_TYPES) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.audproc_cal[path].cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.audproc_cal[path].cal_paddr,
cal_block->cal_offset + atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.audproc_cal[path].cal_kvaddr,
cal_block->cal_offset + atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_audproc_cal(int32_t path, struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s, path = %d\n", __func__, path);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
if (path >= MAX_AUDPROC_TYPES) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.audproc_cal[path].cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.audproc_cal[path].cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.audproc_cal[path].cal_kvaddr);
done:
return result;
}
int store_audstrm_cal(int32_t path, struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s, path = %d\n", __func__, path);
if (cal_block->cal_offset > atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
result = -EINVAL;
goto done;
}
if (path >= MAX_AUDPROC_TYPES) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.audstrm_cal[path].cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.audstrm_cal[path].cal_paddr,
cal_block->cal_offset + atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.audstrm_cal[path].cal_kvaddr,
cal_block->cal_offset + atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_audstrm_cal(int32_t path, struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s, path = %d\n", __func__, path);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
if (path >= MAX_AUDPROC_TYPES) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.audstrm_cal[path].cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.audstrm_cal[path].cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.audstrm_cal[path].cal_kvaddr);
done:
return result;
}
int store_audvol_cal(int32_t path, struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s, path = %d\n", __func__, path);
if (cal_block->cal_offset > atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
result = -EINVAL;
goto done;
}
if (path >= MAX_AUDPROC_TYPES) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.audvol_cal[path].cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.audvol_cal[path].cal_paddr,
cal_block->cal_offset + atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.audvol_cal[path].cal_kvaddr,
cal_block->cal_offset + atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_audvol_cal(int32_t path, struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s, path = %d\n", __func__, path);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
if (path >= MAX_AUDPROC_TYPES || path < 0) {
pr_err("ACDB=> Bad path sent to %s, path: %d\n",
__func__, path);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.audvol_cal[path].cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.audvol_cal[path].cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.audvol_cal[path].cal_kvaddr);
done:
return result;
}
int store_voice_col_data(uint32_t vocproc_type, uint32_t cal_size,
uint32_t *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_size > MAX_COL_SIZE) {
pr_err("%s: col size is to big %d\n", __func__,
cal_size);
result = -EINVAL;
goto done;
}
if (copy_from_user(acdb_data.col_data[vocproc_type],
(void *)((uint8_t *)cal_block + sizeof(cal_size)),
cal_size)) {
pr_err("%s: fail to copy col size %d\n",
__func__, cal_size);
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.vocproc_col_cal[vocproc_type].cal_size,
cal_size);
done:
return result;
}
int get_voice_col_data(uint32_t vocproc_type,
struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_block->cal_size = atomic_read(&acdb_data.
vocproc_col_cal[vocproc_type].cal_size);
cal_block->cal_paddr = atomic_read(&acdb_data.
vocproc_col_cal[vocproc_type].cal_paddr);
cal_block->cal_kvaddr = atomic_read(&acdb_data.
vocproc_col_cal[vocproc_type].cal_kvaddr);
done:
return result;
}
int store_vocproc_dev_cfg_cal(struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block->cal_offset >
atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
atomic_set(&acdb_data.vocproc_dev_cal.cal_size, 0);
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.vocproc_dev_cal.cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.vocproc_dev_cal.cal_paddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.vocproc_dev_cal.cal_kvaddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_vocproc_dev_cfg_cal(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.vocproc_dev_cal.cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.vocproc_dev_cal.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.vocproc_dev_cal.cal_kvaddr);
done:
return result;
}
int store_vocproc_cal(struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block->cal_offset >
atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
atomic_set(&acdb_data.vocproc_cal.cal_size, 0);
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.vocproc_cal.cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.vocproc_cal.cal_paddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.vocproc_cal.cal_kvaddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_vocproc_cal(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.vocproc_cal.cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.vocproc_cal.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.vocproc_cal.cal_kvaddr);
done:
return result;
}
int store_vocstrm_cal(struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block->cal_offset >
atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
atomic_set(&acdb_data.vocstrm_cal.cal_size, 0);
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.vocstrm_cal.cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.vocstrm_cal.cal_paddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.vocstrm_cal.cal_kvaddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_vocstrm_cal(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.vocstrm_cal.cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.vocstrm_cal.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.vocstrm_cal.cal_kvaddr);
done:
return result;
}
int store_vocvol_cal(struct cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block->cal_offset >
atomic64_read(&acdb_data.mem_len)) {
pr_err("%s: offset %d is > mem_len %ld\n",
__func__, cal_block->cal_offset,
(long)atomic64_read(&acdb_data.mem_len));
atomic_set(&acdb_data.vocvol_cal.cal_size, 0);
result = -EINVAL;
goto done;
}
atomic_set(&acdb_data.vocvol_cal.cal_size,
cal_block->cal_size);
atomic_set(&acdb_data.vocvol_cal.cal_paddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.paddr));
atomic_set(&acdb_data.vocvol_cal.cal_kvaddr,
cal_block->cal_offset +
atomic64_read(&acdb_data.kvaddr));
done:
return result;
}
int get_vocvol_cal(struct acdb_cal_block *cal_block)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_block == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_block->cal_size =
atomic_read(&acdb_data.vocvol_cal.cal_size);
cal_block->cal_paddr =
atomic_read(&acdb_data.vocvol_cal.cal_paddr);
cal_block->cal_kvaddr =
atomic_read(&acdb_data.vocvol_cal.cal_kvaddr);
done:
return result;
}
void store_sidetone_cal(struct sidetone_cal *cal_data)
{
pr_debug("%s,\n", __func__);
atomic_set(&acdb_data.sidetone_cal.enable, cal_data->enable);
atomic_set(&acdb_data.sidetone_cal.gain, cal_data->gain);
}
int get_sidetone_cal(struct sidetone_cal *cal_data)
{
int result = 0;
pr_debug("%s,\n", __func__);
if (cal_data == NULL) {
pr_err("ACDB=> NULL pointer sent to %s\n", __func__);
result = -EINVAL;
goto done;
}
cal_data->enable = atomic_read(&acdb_data.sidetone_cal.enable);
cal_data->gain = atomic_read(&acdb_data.sidetone_cal.gain);
done:
return result;
}
int get_spk_protection_cfg(struct msm_spk_prot_cfg *prot_cfg)
{
int result = 0;
pr_debug("%s,\n", __func__);
mutex_lock(&acdb_data.acdb_mutex);
if (prot_cfg) {
prot_cfg->mode = acdb_data.spk_prot_cfg.mode;
prot_cfg->r0 = acdb_data.spk_prot_cfg.r0;
prot_cfg->t0 = acdb_data.spk_prot_cfg.t0;
} else {
pr_err("%s prot_cfg is NULL\n", __func__);
result = -EINVAL;
}
mutex_unlock(&acdb_data.acdb_mutex);
return result;
}
static int get_spk_protection_status(struct msm_spk_prot_status *status)
{
int result = 0;
struct afe_spkr_prot_get_vi_calib calib_resp;
pr_debug("%s,\n", __func__);
/*Call AFE function here to query the status*/
if (status) {
status->status = -EINVAL;
if (!afe_spk_prot_get_calib_data(&calib_resp)) {
if (calib_resp.res_cfg.th_vi_ca_state == 1)
status->status = -EAGAIN;
else if (calib_resp.res_cfg.th_vi_ca_state == 2) {
status->status = 0;
status->r0 = calib_resp.res_cfg.r0_cali_q24;
}
}
} else {
pr_err("%s invalid params\n", __func__);
result = -EINVAL;
}
return result;
}
static int register_vocvol_table(void)
{
int result = 0;
pr_debug("%s\n", __func__);
result = voc_register_vocproc_vol_table();
if (result < 0) {
pr_err("%s: Register vocproc vol failed!\n", __func__);
goto done;
}
done:
return result;
}
static int deregister_vocvol_table(void)
{
int result = 0;
pr_debug("%s\n", __func__);
result = voc_deregister_vocproc_vol_table();
if (result < 0) {
pr_err("%s: Deregister vocproc vol failed!\n", __func__);
goto done;
}
done:
return result;
}
static int acdb_open(struct inode *inode, struct file *f)
{
s32 result = 0;
pr_debug("%s\n", __func__);
if (atomic64_read(&acdb_data.mem_len)) {
pr_debug("%s: ACDB opened but memory allocated, using existing allocation!\n",
__func__);
}
atomic_set(&acdb_data.valid_adm_custom_top, 1);
atomic_set(&acdb_data.valid_asm_custom_top, 1);
atomic_inc(&usage_count);
/* Allocate memory for hw delay entries */
mutex_lock(&acdb_data.acdb_mutex);
acdb_data.hw_delay_rx.num_entries = 0;
acdb_data.hw_delay_tx.num_entries = 0;
acdb_data.hw_delay_rx.delay_info =
kmalloc(sizeof(struct hw_delay_entry)*
MAX_HW_DELAY_ENTRIES,
GFP_KERNEL);
if (acdb_data.hw_delay_rx.delay_info == NULL) {
pr_err("%s : Failed to allocate av sync delay entries rx\n",
__func__);
}
acdb_data.hw_delay_tx.delay_info =
kmalloc(sizeof(struct hw_delay_entry)*
MAX_HW_DELAY_ENTRIES,
GFP_KERNEL);
if (acdb_data.hw_delay_tx.delay_info == NULL) {
pr_err("%s : Failed to allocate av sync delay entries tx\n",
__func__);
}
mutex_unlock(&acdb_data.acdb_mutex);
return result;
}
static int unmap_cal_tables(void)
{
int result = 0;
int result2 = 0;
result2 = adm_unmap_cal_blocks();
if (result2 < 0) {
pr_err("%s: adm_unmap_cal_blocks failed, err = %d\n",
__func__, result2);
result = result2;
}
result2 = afe_unmap_cal_blocks();
if (result2 < 0) {
pr_err("%s: afe_unmap_cal_blocks failed, err = %d\n",
__func__, result2);
result = result2;
}
result2 = q6lsm_unmap_cal_blocks();
if (result2 < 0) {
pr_err("%s: lsm_unmap_cal_blocks failed, err = %d\n",
__func__, result2);
result = result2;
}
result2 = q6asm_unmap_cal_blocks();
if (result2 < 0) {
pr_err("%s: asm_unmap_cal_blocks failed, err = %d\n",
__func__, result2);
result = result2;
}
result2 = voc_unmap_cal_blocks();
if (result2 < 0) {
pr_err("%s: voice_unmap_cal_blocks failed, err = %d\n",
__func__, result2);
result = result2;
}
return result;
}
static int deregister_memory(void)
{
int result = 0;
int i;
pr_debug("%s\n", __func__);
if (atomic64_read(&acdb_data.mem_len)) {
mutex_lock(&acdb_data.acdb_mutex);
/* unmap all cal data */
result = unmap_cal_tables();
if (result < 0)
pr_err("%s: unmap_cal_tables failed, err = %d\n",
__func__, result);
atomic64_set(&acdb_data.mem_len, 0);
for (i = 0; i < MAX_VOCPROC_TYPES; i++) {
kfree(acdb_data.col_data[i]);
acdb_data.col_data[i] = NULL;
}
msm_audio_ion_free(acdb_data.ion_client, acdb_data.ion_handle);
acdb_data.ion_client = NULL;
acdb_data.ion_handle = NULL;
mutex_unlock(&acdb_data.acdb_mutex);
}
return result;
}
static int register_memory(void)
{
int result;
int i;
ion_phys_addr_t paddr;
void *kvptr;
unsigned long kvaddr;
unsigned long mem_len;
pr_debug("%s\n", __func__);
mutex_lock(&acdb_data.acdb_mutex);
for (i = 0; i < MAX_VOCPROC_TYPES; i++) {
acdb_data.col_data[i] = kmalloc(MAX_COL_SIZE, GFP_KERNEL);
atomic_set(&acdb_data.vocproc_col_cal[i].cal_kvaddr,
(uint32_t)acdb_data.col_data[i]);
}
result = msm_audio_ion_import("audio_acdb_client",
&acdb_data.ion_client,
&acdb_data.ion_handle,
atomic_read(&acdb_data.map_handle),
NULL, 0,
&paddr, (size_t *)&mem_len, &kvptr);
if (result) {
pr_err("%s: audio ION alloc failed, rc = %d\n",
__func__, result);
result = PTR_ERR(acdb_data.ion_client);
goto err_ion_handle;
}
kvaddr = (unsigned long)kvptr;
atomic64_set(&acdb_data.paddr, paddr);
atomic64_set(&acdb_data.kvaddr, kvaddr);
atomic64_set(&acdb_data.mem_len, mem_len);
mutex_unlock(&acdb_data.acdb_mutex);
pr_debug("%s done! paddr = 0x%lx, kvaddr = 0x%lx, len = x%lx\n",
__func__,
(long)atomic64_read(&acdb_data.paddr),
(long)atomic64_read(&acdb_data.kvaddr),
(long)atomic64_read(&acdb_data.mem_len));
return result;
err_ion_handle:
atomic64_set(&acdb_data.mem_len, 0);
mutex_unlock(&acdb_data.acdb_mutex);
return result;
}
static long acdb_ioctl(struct file *f,
unsigned int cmd, unsigned long arg)
{
int32_t result = 0;
int32_t size;
int32_t map_fd;
uint32_t topology;
uint32_t data[MAX_IOCTL_DATA];
struct msm_spk_prot_status prot_status;
struct msm_spk_prot_status acdb_spk_status;
pr_debug("%s\n", __func__);
switch (cmd) {
case AUDIO_REGISTER_PMEM:
pr_debug("AUDIO_REGISTER_PMEM\n");
if (atomic_read(&acdb_data.mem_len)) {
deregister_memory();
pr_debug("Remove the existing memory\n");
}
if (copy_from_user(&map_fd, (void *)arg, sizeof(map_fd))) {
pr_err("%s: fail to copy memory handle!\n", __func__);
result = -EFAULT;
} else {
atomic_set(&acdb_data.map_handle, map_fd);
result = register_memory();
}
goto done;
case AUDIO_DEREGISTER_PMEM:
pr_debug("AUDIO_DEREGISTER_PMEM\n");
deregister_memory();
goto done;
case AUDIO_SET_VOICE_RX_TOPOLOGY:
if (copy_from_user(&topology, (void *)arg,
sizeof(topology))) {
pr_err("%s: fail to copy topology!\n", __func__);
result = -EFAULT;
}
store_voice_rx_topology(topology);
goto done;
case AUDIO_SET_VOICE_TX_TOPOLOGY:
if (copy_from_user(&topology, (void *)arg,
sizeof(topology))) {
pr_err("%s: fail to copy topology!\n", __func__);
result = -EFAULT;
}
store_voice_tx_topology(topology);
goto done;
case AUDIO_SET_ADM_RX_TOPOLOGY:
if (copy_from_user(&topology, (void *)arg,
sizeof(topology))) {
pr_err("%s: fail to copy topology!\n", __func__);
result = -EFAULT;
}
store_adm_rx_topology(topology);
goto done;
case AUDIO_SET_ADM_TX_TOPOLOGY:
if (copy_from_user(&topology, (void *)arg,
sizeof(topology))) {
pr_err("%s: fail to copy topology!\n", __func__);
result = -EFAULT;
}
store_adm_tx_topology(topology);
goto done;
case AUDIO_SET_ASM_TOPOLOGY:
if (copy_from_user(&topology, (void *)arg,
sizeof(topology))) {
pr_err("%s: fail to copy topology!\n", __func__);
result = -EFAULT;
}
store_asm_topology(topology);
goto done;
case AUDIO_SET_SPEAKER_PROT:
mutex_lock(&acdb_data.acdb_mutex);
if (copy_from_user(&acdb_data.spk_prot_cfg, (void *)arg,
sizeof(acdb_data.spk_prot_cfg))) {
pr_err("%s fail to copy spk_prot_cfg\n", __func__);
result = -EFAULT;
}
mutex_unlock(&acdb_data.acdb_mutex);
goto done;
case AUDIO_GET_SPEAKER_PROT:
mutex_lock(&acdb_data.acdb_mutex);
/*Indicates calibration was succesfull*/
if (acdb_data.spk_prot_cfg.mode == MSM_SPKR_PROT_CALIBRATED) {
prot_status.r0 = acdb_data.spk_prot_cfg.r0;
prot_status.status = 0;
} else if (acdb_data.spk_prot_cfg.mode ==
MSM_SPKR_PROT_CALIBRATION_IN_PROGRESS) {
/*Call AFE to query the status*/
acdb_spk_status.status = -EINVAL;
acdb_spk_status.r0 = -1;
get_spk_protection_status(&acdb_spk_status);
prot_status.r0 = acdb_spk_status.r0;
prot_status.status = acdb_spk_status.status;
if (!acdb_spk_status.status) {
acdb_data.spk_prot_cfg.mode =
MSM_SPKR_PROT_CALIBRATED;
acdb_data.spk_prot_cfg.r0 = prot_status.r0;
}
} else {
/*Indicates calibration data is invalid*/
prot_status.status = -EINVAL;
prot_status.r0 = -1;
}
if (copy_to_user((void *)arg, &prot_status,
sizeof(prot_status))) {
pr_err("%s: Failed to update prot_status\n", __func__);
}
mutex_unlock(&acdb_data.acdb_mutex);
goto done;
case AUDIO_REGISTER_VOCPROC_VOL_TABLE:
result = register_vocvol_table();
goto done;
case AUDIO_DEREGISTER_VOCPROC_VOL_TABLE:
result = deregister_vocvol_table();
goto done;
case AUDIO_SET_HW_DELAY_RX:
result = store_hw_delay(RX_CAL, (void *)arg);
goto done;
case AUDIO_SET_HW_DELAY_TX:
result = store_hw_delay(TX_CAL, (void *)arg);
goto done;
}
if (copy_from_user(&size, (void *) arg, sizeof(size))) {
result = -EFAULT;
goto done;
}
if ((size <= 0) || (size > sizeof(data))) {
pr_err("%s: Invalid size sent to driver: %d\n",
__func__, size);
result = -EFAULT;
goto done;
}
switch (cmd) {
case AUDIO_SET_VOCPROC_COL_CAL:
result = store_voice_col_data(VOCPROC_CAL,
size, (uint32_t *)arg);
goto done;
case AUDIO_SET_VOCSTRM_COL_CAL:
result = store_voice_col_data(VOCSTRM_CAL,
size, (uint32_t *)arg);
goto done;
case AUDIO_SET_VOCVOL_COL_CAL:
result = store_voice_col_data(VOCVOL_CAL,
size, (uint32_t *)arg);
goto done;
}
if (copy_from_user(data, (void *)(arg + sizeof(size)), size)) {
pr_err("%s: fail to copy table size %d\n", __func__, size);
result = -EFAULT;
goto done;
}
if (data == NULL) {
pr_err("%s: NULL pointer sent to driver!\n", __func__);
result = -EFAULT;
goto done;
}
if (size > sizeof(struct cal_block))
pr_err("%s: More cal data for ioctl 0x%x then expected, size received: %d\n",
__func__, cmd, size);
switch (cmd) {
case AUDIO_SET_AUDPROC_TX_CAL:
result = store_audproc_cal(TX_CAL, (struct cal_block *)data);
goto done;
case AUDIO_SET_AUDPROC_RX_CAL:
result = store_audproc_cal(RX_CAL, (struct cal_block *)data);
goto done;
case AUDIO_SET_AUDPROC_TX_STREAM_CAL:
result = store_audstrm_cal(TX_CAL, (struct cal_block *)data);
goto done;
case AUDIO_SET_AUDPROC_RX_STREAM_CAL:
result = store_audstrm_cal(RX_CAL, (struct cal_block *)data);
goto done;
case AUDIO_SET_AUDPROC_TX_VOL_CAL:
result = store_audvol_cal(TX_CAL, (struct cal_block *)data);
goto done;
case AUDIO_SET_AUDPROC_RX_VOL_CAL:
result = store_audvol_cal(RX_CAL, (struct cal_block *)data);
goto done;
case AUDIO_SET_AFE_TX_CAL:
result = store_afe_cal(TX_CAL, (struct cal_block *)data);
goto done;
case AUDIO_SET_AFE_RX_CAL:
result = store_afe_cal(RX_CAL, (struct cal_block *)data);
goto done;
case AUDIO_SET_VOCPROC_CAL:
result = store_vocproc_cal((struct cal_block *)data);
goto done;
case AUDIO_SET_VOCPROC_STREAM_CAL:
result = store_vocstrm_cal((struct cal_block *)data);
goto done;
case AUDIO_SET_VOCPROC_VOL_CAL:
result = store_vocvol_cal((struct cal_block *)data);
goto done;
case AUDIO_SET_VOCPROC_DEV_CFG_CAL:
result = store_vocproc_dev_cfg_cal((struct cal_block *)data);
goto done;
case AUDIO_SET_SIDETONE_CAL:
store_sidetone_cal((struct sidetone_cal *)data);
goto done;
case AUDIO_SET_ANC_CAL:
result = store_anc_cal((struct cal_block *)data);
goto done;
case AUDIO_SET_LSM_CAL:
result = store_lsm_cal((struct cal_block *)data);
goto done;
case AUDIO_SET_ADM_CUSTOM_TOPOLOGY:
result = store_adm_custom_topology((struct cal_block *)data);
goto done;
case AUDIO_SET_ASM_CUSTOM_TOPOLOGY:
result = store_asm_custom_topology((struct cal_block *)data);
goto done;
case AUDIO_SET_AANC_CAL:
result = store_aanc_cal((struct cal_block *)data);
goto done;
default:
pr_err("ACDB=> ACDB ioctl not found!\n");
result = -EFAULT;
goto done;
}
done:
return result;
}
static int acdb_mmap(struct file *file, struct vm_area_struct *vma)
{
int result = 0;
int size = vma->vm_end - vma->vm_start;
pr_debug("%s\n", __func__);
if (atomic64_read(&acdb_data.mem_len)) {
if (size <= atomic64_read(&acdb_data.mem_len)) {
vma->vm_page_prot = pgprot_noncached(
vma->vm_page_prot);
result = remap_pfn_range(vma,
vma->vm_start,
atomic64_read(&acdb_data.paddr) >> PAGE_SHIFT,
size,
vma->vm_page_prot);
} else {
pr_err("%s: Not enough memory!\n", __func__);
result = -ENOMEM;
}
} else {
pr_err("%s: memory is not allocated, yet!\n", __func__);
result = -ENODEV;
}
return result;
}
static int acdb_release(struct inode *inode, struct file *f)
{
s32 result = 0;
atomic_dec(&usage_count);
atomic_read(&usage_count);
pr_debug("%s: ref count %d!\n", __func__,
atomic_read(&usage_count));
if (atomic_read(&usage_count) >= 1)
result = -EBUSY;
else
result = deregister_memory();
kfree(acdb_data.hw_delay_rx.delay_info);
kfree(acdb_data.hw_delay_tx.delay_info);
return result;
}
static const struct file_operations acdb_fops = {
.owner = THIS_MODULE,
.open = acdb_open,
.release = acdb_release,
.unlocked_ioctl = acdb_ioctl,
.mmap = acdb_mmap,
};
struct miscdevice acdb_misc = {
.minor = MISC_DYNAMIC_MINOR,
.name = "msm_acdb",
.fops = &acdb_fops,
};
static int __init acdb_init(void)
{
memset(&acdb_data, 0, sizeof(acdb_data));
/*Speaker protection disabled*/
acdb_data.spk_prot_cfg.mode = MSM_SPKR_PROT_DISABLED;
mutex_init(&acdb_data.acdb_mutex);
atomic_set(&usage_count, 0);
atomic_set(&acdb_data.valid_adm_custom_top, 1);
atomic_set(&acdb_data.valid_asm_custom_top, 1);
return misc_register(&acdb_misc);
}
static void __exit acdb_exit(void)
{
}
module_init(acdb_init);
module_exit(acdb_exit);
MODULE_DESCRIPTION("SoC QDSP6v2 Audio ACDB driver");
MODULE_LICENSE("GPL v2");