unplugged-kernel/drivers/misc/mediatek/video/mt6785/videox/disp_arr.c

182 lines
4.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/sched/clock.h>
#include <linux/semaphore.h>
#include <linux/module.h>
#include <linux/wait.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
#include <linux/types.h>
#include <linux/ktime.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/slab.h>
/* #include <linux/switch.h> */
#include "disp_drv_platform.h"
#include "debug.h"
#include "disp_drv_log.h"
#include "disp_lcm.h"
#include "disp_utils.h"
#include "mtkfb.h"
#include "disp_session.h"
#include "ddp_manager.h"
#include "mtkfb_fence.h"
#include "display_recorder.h"
#include "fbconfig_kdebug.h"
#include "disp_session.h"
#include "disp_helper.h"
#include "mtk_disp_mgr.h"
#include "mtkfb_console.h"
#include "disp_lowpower.h"
#include "disp_recovery.h"
#include "layering_rule.h"
#include "disp_rect.h"
#include "disp_partial.h"
#include "disp_arr.h"
#include "primary_display.h"
static struct mutex cb_table_lock;
#define DISP_MAX_FPSCHG_CALLBACK 5
static FPS_CHG_CALLBACK fps_chg_callback_table[DISP_MAX_FPSCHG_CALLBACK];
/* used by ARR2.0 */
int primary_display_get_cur_refresh_rate(void)
{
return primary_display_force_get_vsync_fps();
}
int primary_display_get_max_refresh_rate(void)
{
int fps = 60;
struct LCM_PARAMS *lcm_params = NULL;
lcm_params = disp_lcm_get_params(primary_get_lcm());
if (lcm_params == NULL)
return 0;
/* _primary_path_lock(__func__); */
if (lcm_params->max_refresh_rate != 0)
fps = lcm_params->max_refresh_rate;
/* _primary_path_unlock(__func__); */
return fps;
}
int primary_display_get_min_refresh_rate(void)
{
int ret = 60;
struct LCM_PARAMS *lcm_params = NULL;
lcm_params = disp_lcm_get_params(primary_get_lcm());
if (lcm_params == NULL)
return 0;
/* _primary_path_lock(__func__); */
if (lcm_params->min_refresh_rate != 0)
ret = lcm_params->min_refresh_rate;
/* _primary_path_unlock(__func__); */
return ret;
}
int primary_display_set_refresh_rate(unsigned int refresh_rate)
{
int ret = -1;
int temp_refresh_rate_min = 0;
int temp_refresh_rate_max = 0;
temp_refresh_rate_min = primary_display_get_min_refresh_rate();
temp_refresh_rate_max = primary_display_get_max_refresh_rate();
if ((refresh_rate > temp_refresh_rate_max) ||
(refresh_rate < temp_refresh_rate_min))
return ret;
/* AP set refresh rate */
ret = primary_display_force_set_vsync_fps(refresh_rate, 0);
return ret;
}
/****************ARR function start************************/
int disp_register_fps_chg_callback(FPS_CHG_CALLBACK fps_chg_cb)
{
int ret = 0;
int i = 0;
int j = 0;
mutex_lock(&cb_table_lock);
for (i = 0; i < DISP_MAX_FPSCHG_CALLBACK; i++) {
if (fps_chg_callback_table[i] == fps_chg_cb) {
DISPCHECK("[fps]:%s re-register cb\n",
__func__);
mutex_unlock(&cb_table_lock);
return ret;
}
}
for (j = 0; j < DISP_MAX_FPSCHG_CALLBACK; j++) {
if (fps_chg_callback_table[j] == NULL) {
fps_chg_callback_table[j] = fps_chg_cb;
DISPMSG("[fps]: %s, entry[%d] done!\n", __func__, j);
break;
}
}
if (j == DISP_MAX_FPSCHG_CALLBACK) {
DISPCHECK("[fps]: %s no entries left for new cb!\n", __func__);
ret = -1;
}
mutex_unlock(&cb_table_lock);
return ret;
}
int disp_unregister_fps_chg_callback(FPS_CHG_CALLBACK fps_chg_cb)
{
int ret = 0;
int i = 0;
mutex_lock(&cb_table_lock);
for (i = 0; i < DISP_MAX_FPSCHG_CALLBACK; i++) {
if (fps_chg_callback_table[i] == fps_chg_cb) {
fps_chg_callback_table[i] = NULL;
DISPMSG("[fps]: %s, register cb %p\n",
__func__, fps_chg_cb);
}
}
if (i == DISP_MAX_FPSCHG_CALLBACK) {
DISP_PR_INFO("[fps]: %s, haven't registered cb %p\n",
__func__, fps_chg_cb);
ret = -1;
}
mutex_unlock(&cb_table_lock);
return ret;
}
void disp_invoke_fps_chg_callbacks(unsigned int new_fps)
{
unsigned int i = 0;
DISPMSG("[fps]: %s,new_fps =%d\n", __func__, new_fps);
mutex_lock(&cb_table_lock);
for (i = 0; i < DISP_MAX_FPSCHG_CALLBACK; i++) {
if (fps_chg_callback_table[i])
fps_chg_callback_table[i](new_fps);
}
mutex_unlock(&cb_table_lock);
}
void disp_fps_chg_cb_init(void)
{
int i = 0;
mutex_init(&cb_table_lock);
mutex_lock(&cb_table_lock);
for (i = 0; i < DISP_MAX_FPSCHG_CALLBACK; i++)
fps_chg_callback_table[i] = NULL;
mutex_unlock(&cb_table_lock);
}
/****************ARR function end***********************/