kernel_samsung_a34x-permissive/sound/soc/mediatek/scp_ultra/mtk-scp-ultra_dump.c

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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2018 MediaTek Inc.
*/
//#include "mtk-scp-ultra.h"
#include <linux/module.h> /* needed by all modules */
#include <linux/init.h> /* needed by module macros */
#include <linux/fs.h> /* needed by file_operations* */
#include <linux/miscdevice.h> /* needed by miscdevice* */
#include <linux/sysfs.h>
#include <linux/device.h> /* needed by device_* */
#include <linux/vmalloc.h> /* needed by kmalloc */
#include <linux/uaccess.h> /* needed by copy_to_user */
#include <linux/slab.h> /* needed by kmalloc */
#include <linux/poll.h> /* needed by poll */
#include <linux/mutex.h>
#include <linux/sched/types.h>
#include <linux/interrupt.h>
#include <linux/suspend.h>
#include <linux/timer.h>
#include <linux/notifier.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_fdt.h>
#include <linux/ioport.h>
#include <linux/kthread.h>
#include <linux/io.h>
#include <linux/wait.h>
#include <linux/time.h>
#include "audio_ultra_msg_id.h"
#include <scp_helper.h>
#include "mtk-scp-ultra_dump.h"
#include "mtk-scp-ultra-common.h"
#define DUMP_ULTRA_PCM_DATA_PATH "/data/vendor/audiohal/audio_dump"
#define FRAME_BUF_SIZE (8192)
static struct wakeup_source *wakelock_ultra_dump_lock;
enum { /* dump_data_t */
DUMP_PCM_IN = 0,
DUMP_PCM_OUT = 1,
NUM_DUMP_DATA,
};
struct dump_work_t {
struct work_struct work;
uint32_t rw_idx;
uint32_t data_size;
};
struct dump_package_t {
uint8_t dump_data_type;
uint32_t rw_idx;
uint32_t data_size;
};
struct dump_queue_t {
struct dump_package_t dump_package[256];
uint8_t idx_r;
uint8_t idx_w;
};
struct scp_ultra_reserved_mem_t {
char *start_phy;
char *start_virt;
uint32_t size;
};
static struct task_struct *ultra_dump_split_task;
static struct dump_queue_t *dump_queue;
static DEFINE_SPINLOCK(dump_queue_lock);
static struct dump_work_t dump_work[NUM_DUMP_DATA];
static struct workqueue_struct *dump_workqueue[NUM_DUMP_DATA];
static struct task_struct *ultra_dump_task;
static int ultra_dump_kthread(void *data);
static wait_queue_head_t wq_dump_pcm;
static uint32_t dump_data_routine_cnt_pass;
static bool b_enable_dump;
static bool b_enable_stread;
//static bool split_dump_enable;
static struct file *fp_pcm_out;
static struct file *fp_pcm_in;
static struct scp_ultra_reserved_mem_t ultra_dump_mem;
struct pcm_dump_t {
char decode_pcm[FRAME_BUF_SIZE];
};
int ultra_start_engine_thread(void)
{
int ret = 0;
/* only enable when debug pcm dump on */
aud_wake_lock(wakelock_ultra_dump_lock);
pr_debug("%s(),b_enable_stread 0546= %d", __func__, b_enable_stread);
if (true == b_enable_stread)
return 0;
if (dump_queue == NULL) {
dump_queue = kmalloc(sizeof(struct dump_queue_t), GFP_KERNEL);
if (dump_queue != NULL)
memset_io(dump_queue, 0, sizeof(struct dump_queue_t));
}
if (!ultra_dump_task) {
ultra_dump_task = kthread_create(ultra_dump_kthread,
NULL,
"ultra_dump_kthread");
if (IS_ERR(ultra_dump_task)) {
pr_notice("can not create ultra_dump_task kthread\n");
ret = -1;
}
b_enable_stread = true;
ultra_open_dump_file();
wake_up_process(ultra_dump_task);
}
return ret;
}
void ultra_stop_engine_thread(void)
{
pr_debug("%s,b_enable_stread = %d", __func__, b_enable_stread);
if (b_enable_stread == false)
return;
b_enable_stread = false;
if (ultra_dump_task) {
kthread_stop(ultra_dump_task);
ultra_dump_task = NULL;
}
pr_debug("dump_queue = %p\n", dump_queue);
kfree(dump_queue);
dump_queue = NULL;
ultra_close_dump_file();
aud_wake_unlock(wakelock_ultra_dump_lock);
}
int ultra_open_dump_file(void)
{
struct timespec curr_tm;
char string_time[16];
char string_datain_pcm[16] = "ultra_in.pcm";
char string_dataout_pcm[16] = "ultra_out.pcm";
char path_datain_pcm[64];
char path_dataout_pcm[64];
/* only enable when debug pcm dump on */
//aud_wake_lock(wakelock_ultra_dump_lock);
getnstimeofday(&curr_tm);
if (true == b_enable_dump) {
pr_info("ultra dump is alread opend\n");
return 0;
}
memset(string_time, '\0', 16);
sprintf(string_time, "%.2lu_%.2lu_%.2lu_%.3lu",
(8 + (curr_tm.tv_sec / 3600)) % (24),
(curr_tm.tv_sec / 60) % (60),
curr_tm.tv_sec % 60,
(curr_tm.tv_nsec / 1000000) % 1000);
sprintf(path_datain_pcm, "%s/%s_%s",
DUMP_ULTRA_PCM_DATA_PATH,
string_time,
string_datain_pcm);
pr_debug("%s(), path_in_pcm= %s\n", __func__, path_datain_pcm);
sprintf(path_dataout_pcm, "%s/%s_%s",
DUMP_ULTRA_PCM_DATA_PATH,
string_time,
string_dataout_pcm);
pr_debug("%s(), path_decode_out_pcm= %s\n",
__func__, path_dataout_pcm);
fp_pcm_in = filp_open(path_datain_pcm,
O_CREAT | O_WRONLY | O_LARGEFILE | O_NOFOLLOW,
0);
if (IS_ERR(fp_pcm_in)) {
pr_info("%s(), %s file open error: %ld\n",
__func__,
path_datain_pcm,
PTR_ERR(fp_pcm_in));
return PTR_ERR(fp_pcm_in);
}
fp_pcm_out = filp_open(
path_dataout_pcm,
O_CREAT | O_WRONLY | O_LARGEFILE | O_NOFOLLOW,
0);
if (IS_ERR(fp_pcm_out)) {
pr_info("%s(), %s file open error: %ld\n",
__func__,
path_dataout_pcm,
PTR_ERR(fp_pcm_out));
return PTR_ERR(fp_pcm_out);
}
b_enable_dump = true;
dump_data_routine_cnt_pass = 0;
return 0;
}
void ultra_close_dump_file(void)
{
if (b_enable_dump == false)
return;
b_enable_dump = false;
pr_debug("%s(), pass: %d\n", __func__, dump_data_routine_cnt_pass);
if (!IS_ERR(fp_pcm_in)) {
filp_close(fp_pcm_in, NULL);
fp_pcm_in = NULL;
}
if (!IS_ERR(fp_pcm_out)) {
filp_close(fp_pcm_out, NULL);
fp_pcm_out = NULL;
}
}
static void ultra_dump_in_data_routine(struct work_struct *ws)
{
struct dump_work_t *dump_work = NULL;
uint32_t rw_idx = 0;
uint32_t data_size = 0;
unsigned long flags = 0;
dump_work = container_of(ws, struct dump_work_t, work);
rw_idx = dump_work->rw_idx;
data_size = dump_work->data_size;
if (dump_queue == NULL) {
pr_info("%s dump_queue == null return\n", __func__);
return;
}
spin_lock_irqsave(&dump_queue_lock, flags);
dump_queue->dump_package[dump_queue->idx_w].dump_data_type =
DUMP_PCM_IN;
dump_queue->dump_package[dump_queue->idx_w].rw_idx = rw_idx;
dump_queue->dump_package[dump_queue->idx_w].data_size = data_size;
dump_queue->idx_w++;
spin_unlock_irqrestore(&dump_queue_lock, flags);
wake_up_interruptible(&wq_dump_pcm);
}
static void ultra_dump_out_data_routine(struct work_struct *ws)
{
if (1) {
struct dump_work_t *dump_work = NULL;
uint32_t rw_idx = 0;
uint32_t data_size = 0;
unsigned long flags = 0;
dump_work = container_of(ws, struct dump_work_t, work);
rw_idx = dump_work->rw_idx;
data_size = dump_work->data_size;
if (dump_queue == NULL) {
pr_info("%s dump_queue == null return\n", __func__);
return;
}
spin_lock_irqsave(&dump_queue_lock, flags);
dump_queue->dump_package[dump_queue->idx_w].dump_data_type =
DUMP_PCM_OUT;
dump_queue->dump_package[dump_queue->idx_w].rw_idx = rw_idx;
dump_queue->dump_package[dump_queue->idx_w].data_size =
data_size;
dump_queue->idx_w++;
spin_unlock_irqrestore(&dump_queue_lock, flags);
wake_up_interruptible(&wq_dump_pcm);
}
}
void ultra_dump_message(void *msg_data)
{
int ret = 0;
uint32_t dump_idx = 0; /* dump_data_t */
uint32_t *temp_payload = (uint32_t *)(msg_data);
/* payload[0]: dump id(dump_data_t)
* payload[1]: write data size
* payload[2]: dump buffer write pointer offset
*/
dump_idx = *temp_payload;
if (temp_payload == NULL) {
pr_info("%s err\n", __func__);
return;
}
pr_debug("dump msg in this dys\n");
if (1) {
dump_work[dump_idx].data_size = *(temp_payload + 1);
dump_work[dump_idx].rw_idx = *(temp_payload + 2);
ret = queue_work(dump_workqueue[dump_idx],
&dump_work[dump_idx].work);
if (ret == 0)
dump_data_routine_cnt_pass++;
}
}
static int ultra_dump_kthread(void *data)
{
unsigned long flags = 0;
int ret = 0;
int size = 0, writedata = 0;
uint8_t current_idx = 0;
mm_segment_t old_fs;
struct pcm_dump_t *pcm_dump = NULL;
struct dump_package_t *dump_package = NULL;
/* RTPM_PRIO_AUDIO_PLAYBACK */
struct sched_param param = {.sched_priority = 85};
sched_setscheduler(current, SCHED_RR, &param);
while (b_enable_stread && !kthread_should_stop()) {
spin_lock_irqsave(&dump_queue_lock, flags);
if (dump_queue == NULL)
pr_info("dump queue is null");
if (dump_queue->idx_r != dump_queue->idx_w) {
current_idx = dump_queue->idx_r;
dump_queue->idx_r++;
spin_unlock_irqrestore(&dump_queue_lock, flags);
} else {
spin_unlock_irqrestore(&dump_queue_lock, flags);
ret = wait_event_interruptible(wq_dump_pcm,
(dump_queue->idx_r != dump_queue->idx_w)
|| b_enable_stread == false);
if (ret == -ERESTARTSYS) {
ret = -EINTR;
break;
}
if (b_enable_stread == false) {
pr_info("b_enable_stread is false\n");
break;
}
current_idx = dump_queue->idx_r;
dump_queue->idx_r++;
}
dump_package = &dump_queue->dump_package[current_idx];
if (dump_package == NULL)
pr_info("dump_package == null");
switch (dump_package->dump_data_type) {
case DUMP_PCM_IN: {
pr_info("DUMP_PCM_IN");
size = dump_package->data_size;
writedata = size;
pcm_dump = (struct pcm_dump_t *)
(ultra_dump_mem.start_virt +
dump_package->rw_idx);
if (fp_pcm_in == NULL ||
(char __user *)
pcm_dump->decode_pcm == NULL) {
pr_info("DUMP_PCM_IN null, break\n");
break;
}
while (size > 0) {
if (!IS_ERR(fp_pcm_in)) {
old_fs = get_fs();
set_fs(KERNEL_DS);
ret = vfs_write(fp_pcm_in,
(char __user *)
pcm_dump->decode_pcm,
writedata,
&fp_pcm_in->f_pos);
set_fs(old_fs);
} else {
pr_info("fp_pcm_in err\n");
break;
}
size -= writedata;
pcm_dump++;
}
break;
}
case DUMP_PCM_OUT: {
pr_info("DUMP_PCM_OUT");
size = dump_package->data_size;
writedata = size;
pcm_dump = (struct pcm_dump_t *)
(ultra_dump_mem.start_virt +
dump_package->rw_idx);
if (fp_pcm_out == NULL ||
(char __user *)
pcm_dump->decode_pcm == NULL) {
pr_info("DUMP_PCM_OUT null, break\n");
break;
}
while (size > 0) {
if (!IS_ERR(fp_pcm_out)) {
old_fs = get_fs();
set_fs(KERNEL_DS);
ret = vfs_write(fp_pcm_out,
(char __user *)
pcm_dump->decode_pcm,
writedata,
&fp_pcm_out->f_pos);
set_fs(old_fs);
} else {
pr_info("fp_pcm_out err\n");
break;
}
size -= writedata;
pcm_dump++;
}
break;
}
default: {
pr_info("cidx=%d,idx_r=%d,idx_w=%d,type=%d\n",
current_idx,
dump_queue->idx_r,
dump_queue->idx_w,
dump_package->dump_data_type);
break;
}
}
}
pr_debug("%s exit\n", __func__);
return 0;
}
void audio_ipi_client_ultra_init(void)
{
ultra_dump_mem.start_virt =
(char *)scp_get_reserve_mem_virt(ULTRA_MEM_ID);
pr_info("%s()", __func__);
if (ultra_dump_mem.start_virt == NULL) {
pr_info("%s() ultra_dump_mem.start_virt:%p", __func__,
ultra_dump_mem.start_virt);
}
wakelock_ultra_dump_lock = aud_wake_lock_init(NULL, "ultradump lock");
dump_workqueue[DUMP_PCM_IN] = create_workqueue("dump_ultra_pcm_in");
if (dump_workqueue[DUMP_PCM_IN] == NULL) {
pr_notice("dump_workqueue[DUMP_PCM_IN] = %p\n",
dump_workqueue[DUMP_PCM_IN]);
AUDIO_AEE("dump_workqueue[DUMP_PCM_IN] == NULL");
}
dump_workqueue[DUMP_PCM_OUT] =
create_workqueue("dump_ultra_pcm_out");
if (dump_workqueue[DUMP_PCM_OUT] == NULL) {
pr_notice("dump_workqueue[DUMP_PCM_OUT] = %p\n",
dump_workqueue[DUMP_PCM_OUT]);
AUDIO_AEE("dump_workqueue[DUMP_PCM_OUT] == NULL");
}
INIT_WORK(&dump_work[DUMP_PCM_IN].work, ultra_dump_in_data_routine);
INIT_WORK(&dump_work[DUMP_PCM_OUT].work, ultra_dump_out_data_routine);
init_waitqueue_head(&wq_dump_pcm);
ultra_dump_task = NULL;
dump_queue = NULL;
ultra_dump_split_task = NULL;
b_enable_stread = false;
}
void audio_ipi_client_ultra_deinit(void)
{
int i = 0;
for (i = 0; i < NUM_DUMP_DATA; i++) {
if (dump_workqueue[i]) {
flush_workqueue(dump_workqueue[i]);
destroy_workqueue(dump_workqueue[i]);
dump_workqueue[i] = NULL;
}
}
aud_wake_lock_destroy(wakelock_ultra_dump_lock);
}