Aquaris-M10-4G/drivers/misc/mediatek/video/mt6735/videox/mtk_disp_mgr.c

#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/mm_types.h>
#include <linux/module.h>
/*#include <generated/autoconf.h>*/
#include <linux/init.h>
#include <linux/types.h>
#include <linux/cdev.h>
#include <linux/kdev_t.h>
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/wait.h>
#include <linux/spinlock.h>
#include <linux/param.h>
#include <linux/uaccess.h>
#include <linux/sched.h>
#include <asm/io.h>
#include <asm/page.h>

#include <linux/workqueue.h>
#include <linux/semaphore.h>
#include <linux/slab.h>

#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/semaphore.h>
#include <linux/module.h>
#include <linux/wait.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
#include "disp_assert_layer.h"
/* #include <linux/rtpm_prio.h> */

#include "mtk_sync.h"

#include "debug.h"
#include "disp_drv_log.h"
#include "disp_lcm.h"
#include "disp_utils.h"

#include "ddp_hal.h"
#include "ddp_dump.h"
#include "ddp_path.h"
#include "ddp_drv.h"
#include "ddp_info.h"
#include "ddp_ovl.h"

#include "m4u.h"
#include "primary_display.h"

#ifndef MTK_FB_CMDQ_DISABLE
#include "cmdq_def.h"
#include "cmdq_record.h"
#include "cmdq_reg.h"
#include "cmdq_core.h"
#endif

#include "ddp_manager.h"
#include "disp_drv_platform.h"
#include "display_recorder.h"

#include "mtk_disp_mgr.h"

#include "disp_session.h"
#include "mtk_ovl.h"
#include "ddp_mmp.h"

#include "extd_multi_control.h"
/* extern unsigned int is_hwc_enabled; */
/* extern int is_DAL_Enabled(void); */
/* extern struct semaphore dal_sem; */
/* extern int isAEEEnabled; */
#define DISP_DISABLE_X_CHANNEL_ALPHA
/*Change by xmwuwh@20170120 for mantis 0058685 */
extern bool is_hdmi_active(void);
extern int primary_display_wait_for_vsync(void *config);
extern int ext_disp_wait_for_vsync(void *config, unsigned int session);
/*Change by xmwuwh@20170120 for mantis 0058685 */

/* TODO: revise this later @xuecheng */
#include "mtkfb_fence.h"

#ifdef CONFIG_SINGLE_PANEL_OUTPUT
#include "extd_hdmi.h"
#include "external_display.h"
#endif

typedef enum {
	PREPARE_INPUT_FENCE,
	PREPARE_OUTPUT_FENCE,
	PREPARE_PRESENT_FENCE
} ePREPARE_FENCE_TYPE;


static dev_t mtk_disp_mgr_devno;
static struct cdev *mtk_disp_mgr_cdev;
static struct class *mtk_disp_mgr_class;

DEFINE_MUTEX(session_config_mutex);
disp_session_input_config _session_input[2][DISP_SESSION_MEMORY];
disp_mem_output_config _session_output[2][DISP_SESSION_MEMORY];
disp_session_input_config *captured_session_input = _session_input[0];
disp_session_input_config *cached_session_input = _session_input[1];
disp_mem_output_config *captured_session_output = _session_output[0];
disp_mem_output_config *cached_session_output = _session_output[1];

#ifdef CONFIG_ALL_IN_TRIGGER_STAGE
unsigned int is_output_buffer_set = 0;
#endif

static int mtk_disp_mgr_open(struct inode *inode, struct file *file)
{
	return 0;
}

static ssize_t mtk_disp_mgr_read(struct file *file, char __user *data, size_t len, loff_t *ppos)
{
	return 0;
}

static int mtk_disp_mgr_release(struct inode *inode, struct file *file)
{
	return 0;
}

static int mtk_disp_mgr_flush(struct file *a_pstFile, fl_owner_t a_id)
{
	return 0;
}

static int mtk_disp_mgr_mmap(struct file *file, struct vm_area_struct *vma)
{
	static const unsigned long addr_min = 0x14007000;
	static const unsigned long addr_max = 0x14018000;
	static const unsigned long size = addr_max - addr_min;
	const unsigned long require_size = vma->vm_end - vma->vm_start;
	unsigned long pa_start = vma->vm_pgoff << PAGE_SHIFT;
	unsigned long pa_end = pa_start + require_size;

	DISPDBG("mmap size %lu, vmpg0ff 0x%lx, pastart 0x%lx, paend 0x%lx\n",
		require_size, vma->vm_pgoff, pa_start, pa_end);

	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);

	if (require_size > size || (pa_start < addr_min || pa_end > addr_max)) {
		DISPERR("mmap size range over flow!!\n");
		return -EAGAIN;
	}
	if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, (vma->vm_end - vma->vm_start), vma->vm_page_prot)) {
		DISPERR("display mmap failed!!\n");
		return -EAGAIN;
	}

	return 0;
}

#define DDP_OUTPUT_LAYID DDP_OVL_LAYER_MUN

static unsigned int session_config[MAX_SESSION_COUNT];
static unsigned int session_cnt[MAX_SESSION_COUNT];
static DEFINE_MUTEX(disp_session_lock);
DEFINE_MUTEX(disp_trigger_lock);

int disp_get_session_number(void)
{
	int i = 0;
	int session_cnt = 0;

	for (i = 0; i < MAX_SESSION_COUNT; i++) {
		if (session_config[i] != 0)
			session_cnt++;
	}

	return session_cnt;
}

#ifdef OVL_CASCADE_SUPPORT
OVL_CONFIG_STRUCT ovl2mem_in_cached_config[DDP_OVL_LAYER_MUN] = {
	{.layer = 0, .isDirty = 1}
	,
	{.layer = 1, .isDirty = 1}
	,
	{.layer = 2, .isDirty = 1}
	,
	{.layer = 3, .isDirty = 1}
	,
	{.layer = 4, .isDirty = 1}
	,
	{.layer = 5, .isDirty = 1}
	,
	{.layer = 6, .isDirty = 1}
	,
	{.layer = 7, .isDirty = 1}
};
#else
OVL_CONFIG_STRUCT ovl2mem_in_cached_config[DDP_OVL_LAYER_MUN] = {
	{.layer = 0, .isDirty = 1}
	,
	{.layer = 1, .isDirty = 1}
	,
	{.layer = 2, .isDirty = 1}
	,
	{.layer = 3, .isDirty = 1}
};
#endif

int _session_inited(disp_session_config config)
{
	/* TODO: */
#if 0
	int i, idx = -1;

	for (i = 0; i < MAX_SESSION_COUNT; i++) {
		if (session_config[i] == 0 && idx == -1)
			idx = i;

		if (session_config[i] == session) {
			ret = DCP_STATUS_ALREADY_EXIST;
			DISPMSG("session(0x%x) already exists\n", session);
			break;
		}
	}
#endif
	return 0;
}

#ifdef OVL_CASCADE_SUPPORT
static int g_enable_clock;
#endif
int disp_create_session(disp_session_config *config)
{
	int ret = 0;
	int is_session_inited = 0;
	unsigned int session = MAKE_DISP_SESSION(config->type, config->device_id);
	int i, idx = -1;
	/* 1.To check if this session exists already */
	mutex_lock(&disp_session_lock);
	for (i = 0; i < MAX_SESSION_COUNT; i++) {
		if (session_config[i] == session) {
			is_session_inited = 1;
			idx = i;
			session_cnt[i]++;
			DISPMSG("disp_create_session, session_id:%d, session_cnt:%d\n",
				session, session_cnt[i]);
			break;
		}
	}

	if (is_session_inited == 1) {
		config->session_id = session;
		goto done;
	}

	for (i = 0; i < MAX_SESSION_COUNT; i++) {
		if (session_config[i] == 0 && idx == -1) {
			idx = i;
			break;
		}
	}
	/* 1.To check if support this session (mode,type,dev) */
	/* TODO: */

	/* 2. Create this session */
	if (idx != -1) {
#ifdef CONFIG_SINGLE_PANEL_OUTPUT
		if ((path_info.switching == DEV_MAX_NUM) && (DISP_SESSION_TYPE(session) == DISP_SESSION_EXTERNAL)
			&& ext_disp_is_alive()) {
				path_info.switching = DEV_MAX_NUM - 1;
				pr_err("create external session, but path have not been destroyed ,need destroy first\n");
				external_display_path_change_without_cascade(DISP_SESSION_DIRECT_LINK_MODE,
					0x0, DEV_MHL, 1);
		}
#endif
		config->session_id = session;
		session_config[idx] = session;
		session_cnt[idx] = 1;
		DISPDBG("New session(0x%x)\n", session);
#if defined(OVL_TIME_SHARING)
		ext_session_id = session;
		if (session == MAKE_DISP_SESSION(DISP_SESSION_MEMORY, 2))
			ovl2mem_setlayernum(4);
#endif
	} else {
		DISPERR("Invalid session creation request\n");
		ret = -1;
	}
done:
	mutex_unlock(&disp_session_lock);

	DISPPR_FENCE("new session:0x%x\n", config->session_id);
	is_hwc_enabled = 1;

	return ret;
}

bool release_session_buffer(DISP_SESSION_TYPE type, unsigned int layerid,
			    unsigned long layer_phy_addr);
int disp_destroy_session(disp_session_config *config)
{
	int ret = -1;
	unsigned int session = config->session_id;
	int i;

	DISPMSG("disp_destroy_session, 0x%x\n", config->session_id);

	release_session_buffer(DISP_SESSION_TYPE(config->session_id), 0xFF, 0);

	/* 1.To check if this session exists already, and remove it */
	mutex_lock(&disp_session_lock);
	for (i = 0; i < MAX_SESSION_COUNT; i++) {
		if (session_config[i] == session) {
			session_cnt[i]--;
			if (session_cnt[i] == 0) {
				session_config[i] = 0;
				ret = 0;
				break;
			}

			DISPMSG("disp_destroy_session, session_cnt:%d\n", session_cnt[i]);
			mutex_unlock(&disp_session_lock);
			return 0;
		}
	}

	mutex_unlock(&disp_session_lock);

#if defined(OVL_TIME_SHARING)
	if (session == MAKE_DISP_SESSION(DISP_SESSION_MEMORY, 2))
		ovl2mem_setlayernum(0);
#endif

	DISPPR_FENCE("destroy_session done\n");
	/* 2. Destroy this session */
	if (DISP_SESSION_TYPE(config->session_id) == DISP_SESSION_EXTERNAL)
		external_display_switch_mode(config->mode, session_config, config->session_id);
	if (ret == 0)
		DISPDBG("Destroy session(0x%x)\n", session);
	else
		DISPMSG("session(0x%x) does not exists\n", session);


	return ret;
}

bool release_session_buffer(DISP_SESSION_TYPE type, unsigned int layerid,
			    unsigned long layer_phy_addr)
{
	unsigned int session = 0;
	int i = 0;
	int buff_idx = 0;
	int release_layer_num = HW_OVERLAY_COUNT;

	if (type < DISP_SESSION_EXTERNAL)
		return false;

	for (i = 0; i < MAX_SESSION_COUNT; i++) {
		if (DISP_SESSION_TYPE(session_config[i]) == type) {
			session = session_config[i];
			break;
		}
	}

	if (session == 0) { /* /||((layerid < HW_OVERLAY_COUNT) &&(layer_phy_addr == NULL))) */
		DISPERR("sess(%u) (type %d)(addr 0x%lx) failed!\n", session, type, layer_phy_addr);
		return false;
	}

	mutex_lock(&disp_session_lock);

	if (layerid < release_layer_num) {
		buff_idx = mtkfb_query_release_idx(session, layerid, layer_phy_addr);

		if (buff_idx > 0)
			DISPMSG("release_session_buffer layerid %x addr 0x%lx idx %d\n", layerid,
				layer_phy_addr, buff_idx);

		if (buff_idx > 0)
			mtkfb_release_fence(session, layerid, buff_idx);
	} else {
		if (type == DISP_SESSION_MEMORY)
			release_layer_num = HW_OVERLAY_COUNT + 1;

		for (i = 0; i < release_layer_num; i++)
			mtkfb_release_layer_fence(session, i);


		DISPMSG("release_session_buffer(type %d) release layer %d\n", type,
			release_layer_num);
	}

	mutex_unlock(&disp_session_lock);
	return true;
}

int _ioctl_create_session(unsigned long arg)
{
	int ret = 0;
	int i, j;
	void __user *argp = (void __user *)arg;
	disp_session_config config;

	if (copy_from_user(&config, argp, sizeof(config))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}

#ifdef CONFIG_MTK_GMO_RAM_OPTIMIZE
	if (config.type == DISP_SESSION_MEMORY) {
		if (init_ext_decouple_buffers() < 0) {
			DISPERR("allocate dc buffer fail\n");
			return -ENOMEM;
		} else {
			DISPMSG("allocate dc buffer success\n");
		}
	}
#endif

#if !defined(OVL_TIME_SHARING)
	if ((config.type == DISP_SESSION_MEMORY) && (get_ovl1_to_mem_on() == false)) {
		DISPMSG("[FB]: _ioctl_create_session! line:%d  %d\n", __LINE__,
			get_ovl1_to_mem_on());
		return -EFAULT;
	}
#endif

	if (disp_create_session(&config) != 0)
		ret = -EFAULT;

	if (disp_get_session_number() > 1
#ifdef CONFIG_SINGLE_PANEL_OUTPUT
			&& (config.type == DISP_SESSION_MEMORY)
#endif
		) {
		primary_display_set_secondary_display(1, config.type);
		for (i = DISP_SESSION_EXTERNAL; i < DISP_SESSION_MEMORY; i++) {
			captured_session_input[i].config_layer_num = DISP_HW_MAX_LAYER;
			for (j = 0; j < DISP_HW_MAX_LAYER; j++) {
				captured_session_input[i].config[j].layer_enable = 0;
				captured_session_input[i].config[j].layer_id = j;
			}
		}
	}

	if (copy_to_user(argp, &config, sizeof(config))) {
		DISPMSG("[FB]: copy_to_user failed! line:%d\n", __LINE__);
		ret = -EFAULT;
	}

	return ret;
}

int _ioctl_destroy_session(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	disp_session_config config;

	if (copy_from_user(&config, argp, sizeof(config))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}

#ifdef CONFIG_MTK_GMO_RAM_OPTIMIZE
	if (config.type == DISP_SESSION_MEMORY) {
		deinit_ext_decouple_buffers();
		DISPMSG("free dc buffer\n");
	}
#endif

	if (disp_destroy_session(&config) != 0)
		ret = -EFAULT;

	if (disp_get_session_number() == 1
#ifdef CONFIG_SINGLE_PANEL_OUTPUT
			&& (config.type == DISP_SESSION_MEMORY)
#endif
		)
		primary_display_set_secondary_display(0, config.type);

	return ret;
}


char *disp_session_mode_spy(unsigned int session_id)
{
	switch (DISP_SESSION_TYPE(session_id)) {
	case DISP_SESSION_PRIMARY:
		return "P";
	case DISP_SESSION_EXTERNAL:
		return "E";
	case DISP_SESSION_MEMORY:
		return "M";
	default:
		return "Unknown";
	}
}

int _ioctl_trigger_session(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	disp_session_config config;
	unsigned int session_id = 0;
	unsigned long ticket = 0;
	disp_session_sync_info *session_info;

	if (copy_from_user(&config, argp, sizeof(config))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}

	mutex_lock(&disp_trigger_lock);
	session_id = config.session_id;
	ticket = primary_display_get_ticket();
	session_info = disp_get_session_sync_info_for_debug(session_id);

	if (session_info)
		dprec_start(&session_info->event_trigger, 0, 0);


	if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_PRIMARY)
		DISPPR_FENCE("T+/%s%d/%d/dct:%d\n", disp_session_mode_spy(session_id),
			     DISP_SESSION_DEV(session_id), config.present_fence_idx,
			     config.dc_type);
	else
		DISPPR_FENCE("T+/%s%d\n", disp_session_mode_spy(session_id),
			     DISP_SESSION_DEV(session_id));

	if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_PRIMARY) {
		/* only primary display update present fence, external display has no present fence mechanism */
		if (config.present_fence_idx != -1) {
			primary_display_update_present_fence(config.present_fence_idx);
			MMProfileLogEx(ddp_mmp_get_events()->present_fence_set, MMProfileFlagPulse,
				       config.present_fence_idx, 0);
		}
		primary_display_merge_session_cmd(&config);
		primary_display_trigger(0, NULL, 0);
	} else if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_EXTERNAL) {
#if defined(CONFIG_MTK_HDMI_SUPPORT) || defined(CONFIG_MTK_EPD_SUPPORT)
		mutex_lock(&disp_session_lock);
		ret = external_display_trigger(config.tigger_mode, session_id);
		mutex_unlock(&disp_session_lock);
#endif
	} else if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_MEMORY) {
#if defined(OVL_TIME_SHARING)
		primary_display_merge_session_cmd(&config);
		primary_display_memory_trigger(0, NULL, 0);
#else
		ovl2mem_trigger(1, NULL, 0);
#endif
	} else {
		DISPERR("session type is wrong:0x%08x\n", session_id);
		ret = -1;
	}

	if (session_info)
		dprec_done(&session_info->event_trigger, 0, 0);

	mutex_unlock(&disp_trigger_lock);

	return ret;
}

/* create fence for present fence */
#if 0				/* use separate timeline */
int _ioctl_prepare_present_fence(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	struct fence_data data;
	static struct sw_sync_timeline *timeline;
	static unsigned int fence_idx;

	if (timeline == NULL) {
		timeline = timeline_create("present_fence_timeline");
		if (timeline)
			DISPMSG("create present_fence_timeline success: %p\n", timeline);
		else
			DISPERR("create present_fence_timeline failed!\n");
	}
	/* create fence */
	data.fence = MTK_FB_INVALID_FENCE_FD;
	data.value = ++fence_idx;
	ret = fence_create(timeline, &data);
	if (ret != 0) {
		DISPPR_ERROR("%s%d,layer%d create Fence Object failed!\n",
			     disp_session_mode_spy(session_id), DISP_SESSION_DEV(session_id),
			     timeline_id);
		ret = -EFAULT;
	}

	if (copy_to_user(argp, &data, sizeof(struct fence_data))) {
		pr_debug("[FB Driver]: copy_to_user failed! line:%d\n", __LINE__);
		ret = -EFAULT;
	}

	return ret;
}
#else
/* extern disp_sync_info *_get_sync_info(unsigned int session_id, unsigned int timeline_id); */
int _ioctl_prepare_present_fence(unsigned long arg)
{
	int ret = 0;

	void __user *argp = (void __user *)arg;
	struct fence_data data;
	disp_present_fence preset_fence_struct;
	static unsigned int fence_idx;
	disp_sync_info *layer_info = NULL;

	if (copy_from_user(&preset_fence_struct, (void __user *)arg, sizeof(disp_present_fence))) {
		pr_debug("[FB Driver]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}

	if (DISP_SESSION_TYPE(preset_fence_struct.session_id) != DISP_SESSION_PRIMARY) {
		DISPERR("non-primary ask for present fence! session=0x%x\n",
			preset_fence_struct.session_id);
		data.fence = MTK_FB_INVALID_FENCE_FD;
		data.value = 0;
	} else {
		layer_info =
		    _get_sync_info(preset_fence_struct.session_id,
				   disp_sync_get_present_timeline_id());
		if (layer_info == NULL) {
			DISPERR("layer_info is null\n");
			ret = -EFAULT;
			return ret;
		}
		/* create fence */
		data.fence = MTK_FB_INVALID_FENCE_FD;
		data.value = ++fence_idx;
		ret = fence_create(layer_info->timeline, &data);
		if (ret != 0) {
			DISPPR_ERROR("%s%d,layer%d create Fence Object failed!\n",
				     disp_session_mode_spy(preset_fence_struct.session_id),
				     DISP_SESSION_DEV(preset_fence_struct.session_id),
				     disp_sync_get_present_timeline_id());
			ret = -EFAULT;
		}
	}

	preset_fence_struct.present_fence_fd = data.fence;
	preset_fence_struct.present_fence_index = data.value;
	if (copy_to_user(argp, &preset_fence_struct, sizeof(preset_fence_struct))) {
		pr_debug("[FB Driver]: copy_to_user failed! line:%d\n", __LINE__);
		ret = -EFAULT;
	}
	MMProfileLogEx(ddp_mmp_get_events()->present_fence_get, MMProfileFlagPulse,
		       preset_fence_struct.present_fence_fd,
		       preset_fence_struct.present_fence_index);

	return ret;
}

#endif

int _ioctl_prepare_buffer(unsigned long arg, ePREPARE_FENCE_TYPE type)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	disp_buffer_info info;
	struct mtkfb_fence_buf_info *buf, *buf2;

	if (copy_from_user(&info, (void __user *)arg, sizeof(info))) {
		pr_debug("[FB Driver]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}

	if (type == PREPARE_INPUT_FENCE)
		;
	else if (type == PREPARE_PRESENT_FENCE)
		info.layer_id = disp_sync_get_present_timeline_id();
	else if (type == PREPARE_OUTPUT_FENCE)
		info.layer_id = disp_sync_get_output_timeline_id();
	else
		DISPPR_ERROR("type is wrong: %d\n", type);

	if (info.layer_en) {
		buf = disp_sync_prepare_buf(&info);
		if (buf != NULL) {
			info.fence_fd = buf->fence;
			info.index = buf->idx;
		} else {
			DISPPR_ERROR("prepare fence failed, 0x%08x/l%d/e%d/ion%d/cache%d\n",
				     info.session_id, info.layer_id, info.layer_en, info.ion_fd,
				     info.cache_sync);
			DISPPR_FENCE("P+ FAIL /%s%d/l%d/e%d/ion%d/c%d/id%d/ffd%d\n",
				     disp_session_mode_spy(info.session_id),
				     DISP_SESSION_DEV(info.session_id), info.layer_id,
				     info.layer_en, info.ion_fd, info.cache_sync, info.index,
				     info.fence_fd);
			info.fence_fd = MTK_FB_INVALID_FENCE_FD; /* invalid fd */
			info.index = 0;
		}

		if (type == PREPARE_OUTPUT_FENCE) {
			if (primary_display_is_decouple_mode() && primary_display_is_mirror_mode()) {
				/*create second fence for wdma when decouple mirror mode */
				info.layer_id = disp_sync_get_output_interface_timeline_id();
				buf2 = disp_sync_prepare_buf(&info);
				if (buf2 != NULL) {
					info.interface_fence_fd = buf2->fence;
					info.interface_index = buf2->idx;
				} else {
					DISPPR_ERROR("prepare fence failed, 0x%08x/l%d/e%d/ion%d/cache%d\n",
						     info.session_id, info.layer_id, info.layer_en,
						     info.ion_fd, info.cache_sync);
					DISPPR_FENCE("P+ FAIL /%s%d/l%d/e%d/ion%d/c%d/id%d/ffd%d\n",
						     disp_session_mode_spy(info.session_id),
						     DISP_SESSION_DEV(info.session_id),
						     info.layer_id, info.layer_en, info.ion_fd,
						     info.cache_sync, info.index, info.fence_fd);
					info.interface_fence_fd = MTK_FB_INVALID_FENCE_FD; /* invalid fd */
					info.interface_index = 0;
				}
			} else {
				info.interface_fence_fd = MTK_FB_INVALID_FENCE_FD; /* invalid fd */
				info.interface_index = 0;
			}
		}
	} else {
		DISPPR_ERROR("wrong prepare param, 0x%08x/l%d/e%d/ion%d/cache%d\n", info.session_id,
			     info.layer_id, info.layer_en, info.ion_fd, info.cache_sync);
		DISPPR_FENCE("P+ FAIL /%s%d/l%d/e%d/ion%d/c%d/id%d/ffd%d\n",
			     disp_session_mode_spy(info.session_id),
			     DISP_SESSION_DEV(info.session_id), info.layer_id, info.layer_en,
			     info.ion_fd, info.cache_sync, info.index, info.fence_fd);
		info.fence_fd = MTK_FB_INVALID_FENCE_FD;	/* invalid fd */
		info.index = 0;
	}

	if (copy_to_user(argp, &info, sizeof(info))) {
		pr_debug("[FB Driver]: copy_to_user failed! line:%d\n", __LINE__);
		ret = -EFAULT;
	}

	return ret;
}

const char *_disp_format_spy(DISP_FORMAT format)
{
	switch (format) {
	case DISP_FORMAT_RGB565:
		return "RGB565";
	case DISP_FORMAT_RGB888:
		return "RGB888";
	case DISP_FORMAT_BGR888:
		return "BGR888";
	case DISP_FORMAT_ARGB8888:
		return "ARGB8888";
	case DISP_FORMAT_ABGR8888:
		return "ABGR8888";
	case DISP_FORMAT_RGBA8888:
		return "RGBA8888";
	case DISP_FORMAT_BGRA8888:
		return "BGRA8888";
	case DISP_FORMAT_YUV422:
		return "YUV422";
	case DISP_FORMAT_XRGB8888:
		return "XRGB8888";
	case DISP_FORMAT_XBGR8888:
		return "XBGR8888";
	case DISP_FORMAT_RGBX8888:
		return "RGBX8888";
	case DISP_FORMAT_BGRX8888:
		return "BGRX8888";
	case DISP_FORMAT_UYVY:
		return "UYVY";
	case DISP_FORMAT_YUV420_P:
		return "YUV420_P";
	case DISP_FORMAT_YV12:
		return "YV12";
	default:
		return "unknown";
	}
}

static int _sync_convert_fb_layer_to_ovl_struct(unsigned int session_id, disp_input_config *src,
						OVL_CONFIG_STRUCT *dst, unsigned int dst_mva)
{
	unsigned int layerpitch = 0;
	unsigned int layerbpp = 0;

	dst->layer = src->layer_id;

	if (!src->layer_enable) {
		dst->layer_en = 0;
		dst->isDirty = true;
		return 0;
	}

	switch (src->src_fmt) {
	case DISP_FORMAT_YUV422:
		dst->fmt = eYUY2;
		layerpitch = 2;
		layerbpp = 16;
		break;

	case DISP_FORMAT_RGB565:
		dst->fmt = eRGB565;
		layerpitch = 2;
		layerbpp = 16;
		break;

	case DISP_FORMAT_RGB888:
		dst->fmt = eRGB888;
		layerpitch = 3;
		layerbpp = 24;
		break;

	case DISP_FORMAT_BGR888:
		dst->fmt = eBGR888;
		layerpitch = 3;
		layerbpp = 24;
		break;
		/* xuecheng, ?????? */
	case DISP_FORMAT_ARGB8888:
		/* dst->fmt = eRGBA8888; */
		dst->fmt = eARGB8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_ABGR8888:
		dst->fmt = eABGR8888;
		layerpitch = 4;
		layerbpp = 32;
		break;
	case DISP_FORMAT_RGBA8888:
		dst->fmt = eRGBA8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_BGRA8888:
		/* dst->fmt = eABGR8888; */
		dst->fmt = eBGRA8888;
		layerpitch = 4;
		layerbpp = 32;
		break;
	case DISP_FORMAT_XRGB8888:
		dst->fmt = eARGB8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_XBGR8888:
		dst->fmt = eABGR8888;
		layerpitch = 4;
		layerbpp = 32;
		break;
	case DISP_FORMAT_RGBX8888:
		dst->fmt = eRGBA8888;
		layerpitch = 4;
		layerbpp = 32;
		break;
	case DISP_FORMAT_BGRX8888:
		dst->fmt = eBGRA8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_UYVY:
		dst->fmt = eUYVY;
		layerpitch = 2;
		layerbpp = 16;
		break;

	default:
		DISPERR("Invalid color format: 0x%x\n", src->src_fmt);
		return -1;
	}

	dst->vaddr = (unsigned long)src->src_base_addr;
	dst->security = src->security;
#if defined(MTK_FB_ION_SUPPORT)
	if (src->src_phy_addr != NULL)
		dst->addr = (unsigned long)src->src_phy_addr;
	else
		dst->addr = dst_mva;

#else
	dst->addr = (unsigned long)src->src_phy_addr;
#endif
	dst->isTdshp = src->isTdshp;
	dst->buff_idx = src->next_buff_idx;
	dst->identity = src->identity;
	dst->connected_type = src->connected_type;

	/* set Alpha blending */
	dst->aen = src->alpha_enable;
	dst->alpha = src->alpha;

	dst->sur_aen = src->sur_aen;
	dst->src_alpha = src->src_alpha;
	dst->dst_alpha = src->dst_alpha;

#ifdef DISP_DISABLE_X_CHANNEL_ALPHA
	if (DISP_FORMAT_ARGB8888 == src->src_fmt ||
	    DISP_FORMAT_ABGR8888 == src->src_fmt ||
	    DISP_FORMAT_RGBA8888 == src->src_fmt ||
	    DISP_FORMAT_BGRA8888 == src->src_fmt ||
	    src->buffer_source == DISP_BUFFER_ALPHA) {
		/* just keep what user set */
		/* dst->aen = TRUE; */
		/* dst->sur_aen = TRUE; */
		;
	} else {
		dst->aen = false;
		dst->sur_aen = false;
	}
#endif

	/* set src width, src height */
	dst->src_x = src->src_offset_x;
	dst->src_y = src->src_offset_y;
	dst->src_w = src->src_width;
	dst->src_h = src->src_height;
	dst->dst_x = src->tgt_offset_x;
	dst->dst_y = src->tgt_offset_y;
	dst->dst_w = src->tgt_width;
	dst->dst_h = src->tgt_height;
	if (src->buffer_source != DISP_BUFFER_ALPHA) {
		if (dst->dst_w > dst->src_w)
			dst->dst_w = dst->src_w;
		if (dst->dst_h > dst->src_h)
			dst->dst_h = dst->src_h;
	}

	dst->src_pitch = src->src_pitch * layerpitch;
	/* set color key */
	dst->key = src->src_color_key;
	dst->keyEn = src->src_use_color_key;

	/* data transferring is triggerred in MTKFB_TRIG_OVERLAY_OUT */
	dst->layer_en = src->layer_enable;
	dst->isDirty = true;
	if (src->buffer_source == DISP_BUFFER_ALPHA) {
		dst->source = OVL_LAYER_SOURCE_RESERVED; /* dim layer, constant alpha */
	} else if (src->buffer_source == DISP_BUFFER_ION || src->buffer_source == DISP_BUFFER_MVA) {
		dst->source = OVL_LAYER_SOURCE_MEM; /* from memory */
	} else {
		DISPERR("unknown source = %d", src->buffer_source);
		dst->source = OVL_LAYER_SOURCE_MEM;
	}


	return 0;
}

static int _sync_convert_fb_layer_to_disp_input(unsigned int session_id, disp_input_config *src,
						primary_disp_input_config *dst,
						unsigned int dst_mva)
{
	unsigned int layerpitch = 0;
	unsigned int layerbpp = 0;

	dst->layer = src->layer_id;

	if (!src->layer_enable) {
		dst->layer_en = 0;
		dst->isDirty = true;
		return 0;
	}

	switch (src->src_fmt) {
	case DISP_FORMAT_YUV422:
		dst->fmt = eYUY2;
		layerpitch = 2;
		layerbpp = 16;
		break;

	case DISP_FORMAT_RGB565:
		dst->fmt = eRGB565;
		layerpitch = 2;
		layerbpp = 16;
		break;

	case DISP_FORMAT_RGB888:
		dst->fmt = eRGB888;
		layerpitch = 3;
		layerbpp = 24;
		break;

	case DISP_FORMAT_BGR888:
		dst->fmt = eBGR888;
		layerpitch = 3;
		layerbpp = 24;
		break;
		/* xuecheng, ?????? */
	case DISP_FORMAT_ARGB8888:
		dst->fmt = eARGB8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_ABGR8888:
		dst->fmt = eABGR8888;
		layerpitch = 4;
		layerbpp = 32;
		break;
	case DISP_FORMAT_RGBA8888:
		dst->fmt = eRGBA8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_BGRA8888:
		/* dst->fmt = eABGR8888; */
		dst->fmt = eBGRA8888;
		layerpitch = 4;
		layerbpp = 32;
		break;
	case DISP_FORMAT_XRGB8888:
		dst->fmt = eARGB8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_XBGR8888:
		dst->fmt = eABGR8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_RGBX8888:
		dst->fmt = eRGBA8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_BGRX8888:
		dst->fmt = eBGRA8888;
		layerpitch = 4;
		layerbpp = 32;
		break;

	case DISP_FORMAT_UYVY:
		dst->fmt = eUYVY;
		layerpitch = 2;
		layerbpp = 16;
		break;

	case DISP_FORMAT_YV12:
		dst->fmt = eYV12;
		layerpitch = 1;
		layerbpp = 8;
		break;
	default:
		DISPERR("Invalid color format: 0x%x\n", src->src_fmt);
		return -1;
	}

	dst->vaddr = (unsigned long)src->src_base_addr;
	dst->security = src->security;
/* set_overlay will not use fence+ion handle */
#if defined(MTK_FB_ION_SUPPORT)
	if (src->src_phy_addr != NULL)
		dst->addr = (unsigned long)src->src_phy_addr;
	else
		dst->addr = dst_mva;

#else
	dst->addr = (unsigned long)src->src_phy_addr;
#endif

	dst->isTdshp = src->isTdshp;
	dst->buff_idx = src->next_buff_idx;
	dst->identity = src->identity;
	dst->connected_type = src->connected_type;

	/* set Alpha blending */
	dst->aen = src->alpha_enable;
	dst->alpha = src->alpha;

	dst->sur_aen = src->sur_aen;
	dst->src_alpha = src->src_alpha;
	dst->dst_alpha = src->dst_alpha;

#ifdef DISP_DISABLE_X_CHANNEL_ALPHA
	if (DISP_FORMAT_ARGB8888 == src->src_fmt ||
	    DISP_FORMAT_ABGR8888 == src->src_fmt ||
	    DISP_FORMAT_RGBA8888 == src->src_fmt ||
	    DISP_FORMAT_BGRA8888 == src->src_fmt ||
	    src->buffer_source == DISP_BUFFER_ALPHA) {
		/* just keep what user set */
		/* dst->aen = TRUE; */
		/* dst->sur_aen = TRUE; */
		;
	} else {
		dst->aen = false;
		dst->sur_aen = false;
	}
#endif

	/* set src width, src height */
	dst->src_x = src->src_offset_x;
	dst->src_y = src->src_offset_y;
	dst->src_w = src->src_width;
	dst->src_h = src->src_height;
	dst->dst_x = src->tgt_offset_x;
	dst->dst_y = src->tgt_offset_y;
	dst->dst_w = src->tgt_width;
	dst->dst_h = src->tgt_height;
	if (src->buffer_source != DISP_BUFFER_ALPHA) {
		if (dst->dst_w > dst->src_w)
			dst->dst_w = dst->src_w;
		if (dst->dst_h > dst->src_h)
			dst->dst_h = dst->src_h;
	}

	dst->src_pitch = src->src_pitch * layerpitch;

	/* set color key */
	dst->key = src->src_color_key;
	dst->keyEn = src->src_use_color_key;

	/* data transferring is triggerred in MTKFB_TRIG_OVERLAY_OUT */
	dst->layer_en = src->layer_enable;
	dst->isDirty = true;
	dst->buff_source = src->buffer_source;

	return 0;
}

static int set_memory_buffer(disp_session_input_config *input)
{
	int i = 0;
	int layer_id = 0;
	unsigned int dst_size = 0;
	unsigned long dst_mva = 0;
	unsigned int session_id = input->session_id;
	disp_session_sync_info *session_info = disp_get_session_sync_info_for_debug(session_id);

	ovl2mem_in_config input_params[HW_OVERLAY_COUNT];

	memset((void *)&input_params, 0, sizeof(input_params));

	for (i = 0; i < input->config_layer_num; i++) {
		dst_mva = 0;
		layer_id = input->config[i].layer_id;
		if (input->config[i].layer_enable) {
			if (input->config[i].buffer_source == DISP_BUFFER_ALPHA) {
				DISPPR_FENCE("ML %d is dim layer,fence %d\n",
					     input->config[i].layer_id,
					     input->config[i].next_buff_idx);
				/* input->config[i].src_offset_x = 0; */
				/* input->config[i].src_offset_y = 0; */
				/* input->config[i].tgt_offset_x = 0; */
				/* input->config[i].tgt_offset_y = 0; */
				input->config[i].sur_aen = 0;
				input->config[i].src_fmt = DISP_FORMAT_RGB888;
				input->config[i].src_pitch = input->config[i].src_width;
				input->config[i].src_phy_addr = (void *)get_dim_layer_mva_addr();
				input->config[i].next_buff_idx = 0;
				/* force dim layer as non-sec */
				input->config[i].security = DISP_NORMAL_BUFFER;
			}

			if (input->config[i].src_phy_addr)
				dst_mva = (unsigned long)input->config[i].src_phy_addr;
			else
				disp_sync_query_buf_info(session_id, layer_id,
							 (unsigned int)input->config[i].next_buff_idx,
							 &dst_mva, &dst_size);

			if (dst_mva == 0)
				input->config[i].layer_enable = 0;
			else
				input->config[i].src_phy_addr = (void *)dst_mva;

			DISPPR_FENCE("S+/ML%d/e%d/id%d/%dx%d(%d,%d)(%d,%d)/%s/%d/0x%p/mva0x%08lx/t%d/sec%d\n",
				      input->config[i].layer_id, input->config[i].layer_enable,
				      input->config[i].next_buff_idx,
				      input->config[i].src_width, input->config[i].src_height,
				      input->config[i].src_offset_x, input->config[i].src_offset_y,
				      input->config[i].tgt_offset_x, input->config[i].tgt_offset_y,
				      _disp_format_spy(input->config[i].src_fmt), input->config[i].src_pitch,
				      input->config[i].src_phy_addr, dst_mva, get_ovl2mem_ticket(),
				      input->config[i].security);
		} else {
			DISPPR_FENCE("S+/ML%d/e%d/id%d\n", input->config[i].layer_id,
				     input->config[i].layer_enable, input->config[i].next_buff_idx);
		}

		_sync_convert_fb_layer_to_ovl_struct(input->session_id, &(input->config[i]),
						     &ovl2mem_in_cached_config[layer_id], dst_mva);
		/* /disp_sync_put_cached_layer_info(session_id, layer_id, &input->config[i], get_ovl2mem_ticket()); */
		mtkfb_update_buf_ticket(session_id, layer_id, input->config[i].next_buff_idx, get_ovl2mem_ticket());
		_sync_convert_fb_layer_to_disp_input(input->session_id, &(input->config[i]),
						     (primary_disp_input_config *)&input_params[layer_id], dst_mva);
		input_params[layer_id].dirty = 1;

		if (input->config[i].layer_enable)
			mtkfb_update_buf_info(input->session_id, input->config[i].layer_id,
					      input->config[i].next_buff_idx, 0,
					      input->config[i].frm_sequence);


		if (session_info)
			dprec_submit(&session_info->event_setinput, input->config[i].next_buff_idx,
				     (input->config_layer_num << 28) | (input->config[i].layer_id << 24) |
				     (input->config[i].src_fmt << 12) | input->config[i].layer_enable);

#if defined(OVL_TIME_SHARING)
		captured_session_input[DISP_SESSION_MEMORY - 1].config[layer_id] = input->config[i];
#endif

	}

#if !defined(OVL_TIME_SHARING)
	ovl2mem_input_config((ovl2mem_in_config *)&input_params);
#else
	captured_session_input[DISP_SESSION_MEMORY - 1].session_id = input->session_id;
#endif

	return 0;
}
static int set_external_buffer(disp_session_input_config *input)
{
	int i = 0;
	int ret = 0;
	int layer_id = 0;
	unsigned int dst_size = 0;
	unsigned long int dst_mva = 0;
	unsigned int session_id = 0;
	unsigned long int mva_offset = 0;
	disp_session_sync_info *session_info = NULL;

	session_id = input->session_id;
	session_info = disp_get_session_sync_info_for_debug(session_id);

	for (i = 0; i < input->config_layer_num; ++i) {
		dst_mva = 0;
		layer_id = input->config[i].layer_id;
		if (input->config[i].layer_enable) {
			if (input->config[i].buffer_source == DISP_BUFFER_ALPHA) {
				DISPPR_FENCE("EL %d is dim layer,fence %d\n",
					     input->config[i].layer_id,
					     input->config[i].next_buff_idx);
				input->config[i].src_offset_x = 0;
				input->config[i].src_offset_y = 0;
				input->config[i].sur_aen = 0;
				input->config[i].src_fmt = DISP_FORMAT_RGB888;
				input->config[i].src_pitch = input->config[i].src_width;
				input->config[i].src_phy_addr = 0;
				input->config[i].next_buff_idx = 0;
				/* force dim layer as non-sec */
				input->config[i].security = DISP_NORMAL_BUFFER;
			}
			if (input->config[i].src_phy_addr) {
				dst_mva = (unsigned long int)input->config[i].src_phy_addr;
			} else {
				disp_sync_query_buf_info(session_id, layer_id,
							(unsigned int)input->config[i].next_buff_idx,
							(unsigned long *)&dst_mva, &dst_size);
				input->config[i].src_phy_addr = (void *)dst_mva;
			}

			if (dst_mva == 0)
				input->config[i].layer_enable = 0;


			DISPPR_FENCE
			    ("S+/EL%d/e%d/id%d/%dx%d(%d,%d)(%d,%d)/%s/%d/0x%p/mva0x/%08lx\n",
			     input->config[i].layer_id, input->config[i].layer_enable,
			     input->config[i].next_buff_idx, input->config[i].src_width,
			     input->config[i].src_height, input->config[i].src_offset_x,
			     input->config[i].src_offset_y, input->config[i].tgt_offset_x,
			     input->config[i].tgt_offset_y,
			     _disp_format_spy(input->config[i].src_fmt), input->config[i].src_pitch,
			     input->config[i].src_phy_addr, dst_mva);
		} else {
			DISPPR_FENCE("S+/EL%d/e%d/id%d\n", input->config[i].layer_id,
				     input->config[i].layer_enable, input->config[i].next_buff_idx);
		}

		disp_sync_put_cached_layer_info(session_id, layer_id, &input->config[i], dst_mva);

		if (input->config[i].layer_enable) {
			/*which is calculated by pitch and ROI. */
			unsigned int Bpp, x, y, pitch, hw_fmt;

			x = input->config[i].src_offset_x;
			y = input->config[i].src_offset_y;
			pitch = input->config[i].src_pitch;
			disp_fmt_to_hw_fmt(input->config[i].src_fmt, &hw_fmt, &Bpp, &Bpp);
			mva_offset = (x + y * pitch) * Bpp;
			mtkfb_update_buf_info(input->session_id, input->config[i].layer_id,
					      input->config[i].next_buff_idx, mva_offset,
					      input->config[i].frm_sequence);
#ifdef CONFIG_MTK_HDMI_3D_SUPPORT
			mtkfb_update_buf_info_new(input->session_id, mva_offset,
						  (disp_input_config *) input->config);
#endif
		}

		if (session_info) {
			dprec_submit(&session_info->event_setinput, input->config[i].next_buff_idx,
				     (input->config_layer_num << 28) | (input->config[i].layer_id << 24)
				     | (input->config[i].src_fmt << 12) | input->config[i].layer_enable);
		}
	}

#if defined(CONFIG_MTK_HDMI_SUPPORT) || defined(CONFIG_MTK_EPD_SUPPORT)
	ret = external_display_config_input(input, input->config[0].next_buff_idx, session_id);
#endif

	if (ret == -2) {
		for (i = 0; i < input->config_layer_num; i++)
			mtkfb_release_layer_fence(input->session_id, i);
	}

	return 0;
}

static int _remove_assert_layer(disp_session_input_config *input)
{
	int i, assert_layer, idx = -1;

	assert_layer = primary_display_get_option("ASSERT_LAYER");

	for (i = 0; i < input->config_layer_num; i++) {
		if (input->config[i].layer_id == assert_layer) {
			idx = i;
			break;
		}
	}
	if (idx == -1)
		return -1;

	DISPPR_FENCE("skip aee layer L%d\n", assert_layer);

	/* remove this layer config */
	for (i = idx + 1; i < input->config_layer_num; i++)
		input->config[i - 1] = input->config[i];

	input->config_layer_num--;
	return 0;
}

static inline void remove_assert_layer(disp_session_input_config *input)
{
	if (!is_DAL_Enabled())
		return;
	while (!_remove_assert_layer(input))
		;
}

static int set_primary_buffer(disp_session_input_config *input)
{
	int i = 0;
	int layer_id = 0;
	unsigned int dst_size = 0;
	unsigned long dst_mva = 0;
	unsigned int session_id = 0;
	unsigned int mva_offset = 0;
	char fence_msg_buf[512];
	unsigned int fence_msg_len = 0;
	disp_session_sync_info *session_info;

	session_id = input->session_id;
	session_info = disp_get_session_sync_info_for_debug(session_id);

	if (input->config_layer_num == 0 || input->config_layer_num > OVL_LAYER_NUM) {
		DISPERR("set_primary_buffer, config_layer_num invalid = %d!\n",
			input->config_layer_num);
		return 0;
	}

	memset(fence_msg_buf, 0, 512);
	mutex_lock(&session_config_mutex);
	for (i = 0; i < input->config_layer_num; i++) {
		dst_mva = 0;
		layer_id = input->config[i].layer_id;
		if (layer_id >= OVL_LAYER_NUM) {
			DISPERR("set_primary_buffer, invalid layer_id = %d!\n", layer_id);
			continue;
		}

		if (input->config[i].layer_enable) {
			unsigned int hw_fmt, Bpp, bpp, x, y, pitch;

			if (input->config[i].buffer_source == DISP_BUFFER_ALPHA) {
				fence_msg_len += sprintf(fence_msg_buf + fence_msg_len,
							 "PL %d is dim layer,fence %d\n",
							 input->config[i].layer_id,
							 input->config[i].next_buff_idx);
				input->config[i].src_offset_x = 0;
				input->config[i].src_offset_y = 0;
				input->config[i].sur_aen = 0;
				input->config[i].src_fmt = DISP_FORMAT_RGB888;
				input->config[i].src_pitch = input->config[i].src_width;
				input->config[i].src_phy_addr = (void *)get_dim_layer_mva_addr();
				input->config[i].next_buff_idx = 0;
				/* force dim layer as non-sec */
				input->config[i].security = DISP_NORMAL_BUFFER;
			}
			if (input->config[i].src_phy_addr)
				dst_mva = (unsigned long)input->config[i].src_phy_addr;
			else
				disp_sync_query_buf_info(session_id, (unsigned int)layer_id,
							 (unsigned int)input->config[i].
							 next_buff_idx, &dst_mva, &dst_size);

			input->config[i].src_phy_addr = (void *)dst_mva;

			if (dst_mva == 0) {
				DISPPR_ERROR("disable layer %d because of no valid mva\n",
					     input->config[i].layer_id);
				input->config[i].layer_enable = 0;
			}
			/* OVL addr is not the start address of buffer, which is calculated by pitch and ROI. */
			x = input->config[i].src_offset_x;
			y = input->config[i].src_offset_y;
			pitch = input->config[i].src_pitch;
			disp_fmt_to_hw_fmt(input->config[i].src_fmt, &hw_fmt, &Bpp, &bpp);
			mva_offset = (x + y * pitch) * Bpp;
			mtkfb_update_buf_info(input->session_id, input->config[i].layer_id,
					      input->config[i].next_buff_idx, mva_offset,
					      input->config[i].frm_sequence);
			fence_msg_len += sprintf(fence_msg_buf + fence_msg_len,
						 "S+/PL%d/e%d/id%d/%dx%d(%d,%d)(%d,%d)/%s/%d/0x%08lx/mva0x%08lx/sec%d",
						 input->config[i].layer_id, input->config[i].layer_enable,
						 input->config[i].next_buff_idx, input->config[i].src_width,
						 input->config[i].src_height, input->config[i].src_offset_x,
						 input->config[i].src_offset_y, input->config[i].tgt_offset_x,
						 input->config[i].tgt_offset_y,
						 _disp_format_spy(input->config[i].src_fmt),
						 input->config[i].src_pitch,
						 (unsigned long int)input->config[i].src_phy_addr, dst_mva,
						 input->config[i].security);
		} else {
			fence_msg_len += sprintf(fence_msg_buf + fence_msg_len, "S+/PL%d/e%d/id%d",
						 input->config[i].layer_id, input->config[i].layer_enable,
						 input->config[i].next_buff_idx);
		}

		disp_sync_put_cached_layer_info(session_id, layer_id, &input->config[i], dst_mva);
#ifdef CONFIG_ALL_IN_TRIGGER_STAGE

		if (down_interruptible(&dal_sem)) {
			DISPMSG("dal_sem has been awake by a signal\n");
			continue;
		}
		if (isAEEEnabled == 1) {
			if (layer_id == primary_display_get_option("ASSERT_LAYER"))
				DISPMSG("AEE layer has been enabled, skip aee layer config\n");
			else
				captured_session_input[DISP_SESSION_PRIMARY - 1].config[layer_id] = input->config[i];

		} else {
			captured_session_input[DISP_SESSION_PRIMARY - 1].config[layer_id] = input->config[i];
		}
		up(&dal_sem);
#endif
		if (session_info)
			dprec_submit(&session_info->event_setinput, input->config[i].next_buff_idx,
				     dst_mva);
	}
#ifdef CONFIG_ALL_IN_TRIGGER_STAGE
	captured_session_input[DISP_SESSION_PRIMARY - 1].session_id = input->session_id;
#endif
	DISPPR_FENCE("%s\n", fence_msg_buf);
	mutex_unlock(&session_config_mutex);
#ifndef CONFIG_ALL_IN_TRIGGER_STAGE
	primary_display_config_input_multiple(input);
#endif
	return 0;

}

int _ioctl_set_input_buffer(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	unsigned int session_id = 0;
	disp_session_input_config session_input;
	disp_session_sync_info *session_info;

	if (copy_from_user(&session_input, argp, sizeof(session_input))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}
	session_input.setter = SESSION_USER_HWC;
	session_id = session_input.session_id;
	session_info = disp_get_session_sync_info_for_debug(session_id);

	if (session_info)
		dprec_start(&session_info->event_setinput, 0, session_input.config_layer_num);

	DISPPR_FENCE("S+/%s%d/count%d\n", disp_session_mode_spy(session_id),
		     DISP_SESSION_DEV(session_id), session_input.config_layer_num);

	if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_PRIMARY) {
		ret = set_primary_buffer(&session_input);
	} else if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_EXTERNAL) {
		ret = set_external_buffer(&session_input);
	} else if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_MEMORY) {
		ret = set_memory_buffer(&session_input);
	} else {
		DISPERR("session type is wrong:0x%08x\n", session_id);
		return -1;
	}

	if (session_info)
		dprec_done(&session_info->event_setinput, 0, session_input.config_layer_num);

	return ret;
}

static int _sync_convert_fb_layer_to_disp_output(unsigned int session_id, disp_output_config *src,
						 disp_mem_output_config *dst, unsigned int dst_mva)
{
	unsigned int layerpitch = 0;
	unsigned int layerbpp = 0;

	disp_fmt_to_hw_fmt(src->fmt, &dst->fmt, &layerpitch, &layerbpp);
	dst->vaddr = (unsigned long)src->va;
	dst->security = src->security;

	dst->w = src->width;
	dst->h = src->height;

/* set_overlay will not use fence+ion handle */
#if defined(MTK_FB_ION_SUPPORT)
	if (src->pa != NULL)
		dst->addr = (unsigned long)src->pa;
	else
		dst->addr = dst_mva;

#else
	dst->addr = (unsigned long)src->pa;
#endif

	dst->buff_idx = src->buff_idx;
	dst->interface_idx = src->interface_idx;

	dst->x = src->x;
	dst->y = src->y;
	dst->pitch = src->pitch * layerpitch;

	return 0;
}


int _ioctl_set_output_buffer(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	disp_session_output_config session_output;
	unsigned int session_id = 0;
	unsigned long dst_mva = 0;
	disp_session_sync_info *session_info;

	if (copy_from_user(&session_output, argp, sizeof(session_output))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}

	session_id = session_output.session_id;
	session_info = disp_get_session_sync_info_for_debug(session_id);

	if (session_info)
		dprec_start(&session_info->event_setoutput, session_output.config.buff_idx, 0);
	else
		DISPERR("can't get session_info for session_id:0x%08x\n", session_id);

	DISPMSG(" _ioctl_set_output_buffer session = 0x%x, idx %x, seq %x\n", session_id,
		session_output.config.buff_idx, session_output.config.frm_sequence);
	if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_PRIMARY) {
		disp_mem_output_config primary_output;

		memset((void *)&primary_output, 0, sizeof(primary_output));
		if (session_output.config.pa)
			dst_mva = (unsigned long)session_output.config.pa;
		else
			dst_mva = mtkfb_query_buf_mva(session_id, disp_sync_get_output_timeline_id(),
							(unsigned int)session_output.config.buff_idx);

		_sync_convert_fb_layer_to_disp_output(session_output.session_id,
						      &(session_output.config), &primary_output,
						      dst_mva);
		primary_output.dirty = 1;
		/* must be mirror mode */
		if (primary_display_is_decouple_mode()) {
			/* xuecheng, UGLY WORKAROUND!!! should use a common struct for input/output cache info */
			disp_input_config src;

			memset((void *)&src, 0, sizeof(disp_input_config));
			src.layer_id = disp_sync_get_output_interface_timeline_id();
			src.layer_enable = 1;
			src.next_buff_idx = session_output.config.interface_idx;

			disp_sync_put_cached_layer_info(session_id, disp_sync_get_output_interface_timeline_id(),
							&src, dst_mva);

			memset((void *)&src, 0, sizeof(disp_input_config));
			src.layer_id = disp_sync_get_output_timeline_id();
			src.layer_enable = 1;
			src.next_buff_idx = session_output.config.buff_idx;

			disp_sync_put_cached_layer_info(session_id,
							disp_sync_get_output_timeline_id(), &src,
							dst_mva);
		}

		DISPPR_FENCE("S+O/%s%d/L%d(id%d)/L%d(id%d)/%dx%d(%d,%d)/%s/%d/0x%08x/mva0x%08lx/sec%d\n",
				disp_session_mode_spy(session_id), DISP_SESSION_DEV(session_id),
				disp_sync_get_output_timeline_id(), session_output.config.buff_idx,
				disp_sync_get_output_interface_timeline_id(),
				session_output.config.interface_idx, session_output.config.width,
				session_output.config.height, session_output.config.x, session_output.config.y,
				_disp_format_spy(session_output.config.fmt), session_output.config.pitch,
				session_output.config.pitchUV, dst_mva, session_output.config.security);

#ifdef CONFIG_ALL_IN_TRIGGER_STAGE
		mutex_lock(&session_config_mutex);
		captured_session_output[DISP_SESSION_PRIMARY - 1] = primary_output;
		mutex_unlock(&session_config_mutex);
		is_output_buffer_set = 1;
#else
		primary_display_config_output(&primary_output, session_id);
#endif

		mtkfb_update_buf_info(session_output.session_id,
				      disp_sync_get_output_interface_timeline_id(),
				      session_output.config.buff_idx, 0,
				      session_output.config.frm_sequence);
		if (session_info)
			dprec_submit(&session_info->event_setoutput, session_output.config.buff_idx, dst_mva);

		DISPMSG("_ioctl_set_output_buffer done idx 0x%x, mva %lx, fmt %x, w %x, h %x (%x %x), p %x\n",
			session_output.config.buff_idx, dst_mva, session_output.config.fmt,
			session_output.config.width, session_output.config.height,
			session_output.config.x, session_output.config.y, session_output.config.pitch);

	} else if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_MEMORY) {
		disp_mem_output_config primary_output;

		memset((void *)&primary_output, 0, sizeof(primary_output));
		if (session_output.config.pa)
			dst_mva = (unsigned long)session_output.config.pa;
		else
			dst_mva = mtkfb_query_buf_mva(session_id, disp_sync_get_output_timeline_id(),
						      (unsigned int)session_output.config.buff_idx);


		mtkfb_update_buf_ticket(session_id, disp_sync_get_output_timeline_id(),
					session_output.config.buff_idx, get_ovl2mem_ticket());
		_sync_convert_fb_layer_to_disp_output(session_output.session_id,
						      &(session_output.config), &primary_output,
						      dst_mva);
		primary_output.dirty = 1;

		DISPPR_FENCE("S+O/%s%d/L%d/id%d/%dx%d(%d,%d)/%s/%d/%d/0x%p/mva0x%08lx/t%d/sec%d(%d)\n",
				disp_session_mode_spy(session_id), DISP_SESSION_DEV(session_id), 4,
				session_output.config.buff_idx, session_output.config.width,
				session_output.config.height, session_output.config.x, session_output.config.y,
				_disp_format_spy(session_output.config.fmt), session_output.config.pitch,
				session_output.config.pitchUV, session_output.config.pa, dst_mva,
				get_ovl2mem_ticket(), session_output.config.security, primary_output.security);

#if defined(OVL_TIME_SHARING)
		mutex_lock(&session_config_mutex);
		captured_session_output[DISP_SESSION_MEMORY - 1] = primary_output;
		mutex_unlock(&session_config_mutex);
#else
		if (dst_mva)
			ovl2mem_output_config((disp_mem_output_config *)&primary_output);
		else
			DISPERR("error buffer idx 0x%x\n", session_output.config.buff_idx);
#endif


		mtkfb_update_buf_info(session_output.session_id, disp_sync_get_output_timeline_id(),
				      session_output.config.buff_idx, 0,
				      session_output.config.frm_sequence);

		if (session_info)
			dprec_submit(&session_info->event_setoutput, session_output.config.buff_idx, dst_mva);

		DISPMSG("_ioctl_set_output_buffer done idx 0x%x, mva %lx, fmt %x, w %x, h %x, p %x\n",
			session_output.config.buff_idx, dst_mva, session_output.config.fmt,
			session_output.config.width, session_output.config.height,
			session_output.config.pitch);
	}

	if (session_info)
		dprec_done(&session_info->event_setoutput, session_output.config.buff_idx, 0);

	return ret;
}


int _ioctl_get_info(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	disp_session_info info;
	unsigned int session_id = 0;

	if (copy_from_user(&info, argp, sizeof(info))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}

	session_id = info.session_id;

	if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_PRIMARY) {
		primary_display_get_info(&info);
	} else if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_EXTERNAL) {
#if defined(CONFIG_MTK_HDMI_SUPPORT) || defined(CONFIG_MTK_EPD_SUPPORT)
		external_display_get_info(&info, session_id);
#endif
	} else if (DISP_SESSION_TYPE(session_id) == DISP_SESSION_MEMORY) {
		ovl2mem_get_info(&info);
	} else {
		DISPERR("session type is wrong:0x%08x\n", session_id);
		return -1;
	}


	if (copy_to_user(argp, &info, sizeof(info))) {
		DISPMSG("[FB]: copy_to_user failed! line:%d\n", __LINE__);
		ret = -EFAULT;
	}

	return ret;
}

int _ioctl_get_is_driver_suspend(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	unsigned int is_suspend = 0;

	is_suspend = primary_display_is_sleepd();
	DISPMSG("ioctl_get_is_driver_suspend, is_suspend=%d\n", is_suspend);
	if (copy_to_user(argp, &is_suspend, sizeof(int))) {
		DISPMSG("[FB]: copy_to_user failed! line:%d\n", __LINE__);
		ret = -EFAULT;
	}

	return ret;
}

int _ioctl_get_display_caps(unsigned long arg)
{
	int ret = 0;
	disp_caps_info caps_info;
	void __user *argp = (void __user *)arg;

	if (copy_from_user(&caps_info, argp, sizeof(caps_info))) {
		DISPMSG("[FB]: copy_to_user failed! line:%d\n", __LINE__);
		ret = -EFAULT;
	}
#ifdef DISP_HW_MODE_CAP
	caps_info.output_mode = DISP_HW_MODE_CAP;
#else
	caps_info.output_mode = DISP_OUTPUT_CAP_DIRECT_LINK;
#endif

#ifdef DISP_HW_PASS_MODE
	caps_info.output_pass = DISP_HW_PASS_MODE;
#else
	caps_info.output_pass = DISP_OUTPUT_CAP_SINGLE_PASS;
#endif

#ifdef DISP_HW_MAX_LAYER
	caps_info.max_layer_num = DISP_HW_MAX_LAYER;
#else
	caps_info.max_layer_num = 4;
#endif

	caps_info.disp_feature = 0;
#ifdef OVL_TIME_SHARING
	caps_info.disp_feature |= DISP_FEATURE_TIME_SHARING;
#endif

	DISPMSG("%s mode:%d, pass:%d, max_layer_num:%d\n",
		__func__, caps_info.output_mode, caps_info.output_pass, caps_info.max_layer_num);

	if (copy_to_user(argp, &caps_info, sizeof(caps_info))) {
		DISPMSG("[FB]: copy_to_user failed! line:%d\n", __LINE__);
		ret = -EFAULT;
	}

	return ret;
}

int _ioctl_wait_vsync(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	disp_session_vsync_config vsync_config;
	disp_session_sync_info *session_info;

	if (copy_from_user(&vsync_config, argp, sizeof(vsync_config))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}

	session_info = disp_get_session_sync_info_for_debug(vsync_config.session_id);
	if (session_info)
		dprec_start(&session_info->event_waitvsync, 0, 0);

/*Change by xmwuwh@20170120 for mantis 0058685 */
#if  1 //def CONFIG_SINGLE_PANEL_OUTPUT
	if (primary_display_is_sleepd() && is_hdmi_active()) {
			ret = ext_disp_wait_for_vsync(&vsync_config, vsync_config.session_id);
			if (ret <= 0)
				DISPERR("ioctl_wait_for_vsync, ext_disp fail, ret = %d.\n", ret);
	} else {
			ret = primary_display_wait_for_vsync(&vsync_config);
			if (ret != 0)
				DISPERR("ioctl_wait_for_vsync ,primary_display fail, ret = %d.\n", ret);
	}
#else
		ret = primary_display_wait_for_vsync(&vsync_config);
	if (ret != 0)
		DISPERR("primary_display_wait_for_vsync fail, ret = %d.\n", ret);
#endif
	if (session_info)
		dprec_done(&session_info->event_waitvsync, 0, 0);

	return ret;
}

int _ioctl_set_vsync(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	unsigned int fps = 0;

	if (copy_from_user(&fps, argp, sizeof(unsigned int))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}

	ret = primary_display_force_set_vsync_fps(fps);

	return ret;
}

int _ioctl_insert_session_buffers(unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	disp_session_buf_info session_buf_info;

	if (copy_from_user(&session_buf_info, argp, sizeof(disp_session_buf_info))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}
	ret = primary_display_insert_session_buf(&session_buf_info);

	return ret;
}

static DISP_MODE select_session_mode(disp_session_config *session_info)
{
	static DISP_MODE final_mode = DISP_SESSION_DIRECT_LINK_MODE;
	static int stayInVp;

	if (session_info->user == SESSION_USER_GUIEXT) {
		/*miravison */
		if (primary_display_is_sleepd()) {
			DISPERR("select_session_mode(%d) Ignored because of suspended!\n",
				session_info->mode);
			return final_mode;
		}
		if (session_info->mode == DISP_SESSION_DECOUPLE_MODE) {
			stayInVp = 1;
			if (final_mode == DISP_SESSION_DIRECT_LINK_MODE) /* DL-->DC (SingleDisplay: start VP) */
				final_mode = DISP_SESSION_DECOUPLE_MODE;
		} else if (session_info->mode == DISP_SESSION_DIRECT_LINK_MODE) {
			stayInVp = 0;
			if (final_mode == DISP_SESSION_DECOUPLE_MODE) /* DC-->DL (SingleDisplay: exit VP) */
				final_mode = DISP_SESSION_DIRECT_LINK_MODE;
		}

	} else if (session_info->user == SESSION_USER_HWC) {
		/* common */
		if (session_info->mode == DISP_SESSION_DIRECT_LINK_MODE) {
			if (final_mode == DISP_SESSION_DECOUPLE_MODE) {
				if (!stayInVp) /* DC-->DL */
					final_mode = DISP_SESSION_DIRECT_LINK_MODE;
			}
			if (final_mode == DISP_SESSION_DECOUPLE_MIRROR_MODE) {
				if (stayInVp) /* DCm-->DC (ExternalDisplay: exit to SingleDisplay while VP) */
					final_mode = DISP_SESSION_DECOUPLE_MODE;
				else /* DCm-->DL (ExternalDisplay: just exit to SingleDisplay) */
					final_mode = DISP_SESSION_DIRECT_LINK_MODE;
			}
#if defined(OVL_TIME_SHARING)
			if (disp_get_session_number() > 1) {
				/* Need switch to decouple for OVL Time-Sharing */
				final_mode = DISP_SESSION_DECOUPLE_MODE;
				DISPMSG("Change session mode to decouple\n");
			}
#endif
		} else if (session_info->mode == DISP_SESSION_DECOUPLE_MIRROR_MODE) {
			/* DC-->DCm (SingleDisplay: enter ExternalDisplay while VP) */
			/* ExternalDisplay: exit VP */
			/* DL-->DCm (SingleDisplay: just enter ExternalDisplay) */
			if (final_mode != DISP_SESSION_DECOUPLE_MIRROR_MODE)
				final_mode = DISP_SESSION_DECOUPLE_MIRROR_MODE;

#if defined(OVL_MULTIPASS_SUPPORT) || defined(OVL_TIME_SHARING)
		} else if (session_info->mode == DISP_SESSION_DECOUPLE_MODE) {
			final_mode = DISP_SESSION_DECOUPLE_MODE;
#endif
		} else {
			DISPERR("invalid HWC session mode %d\n", session_info->mode);
		}
	}
	return final_mode;
}

int set_session_mode(disp_session_config *config_info, int force)
{
	int ret = 0;

	config_info->mode = select_session_mode(config_info);

	primary_display_switch_mode(config_info->mode, config_info->session_id, force);
#if defined(CONFIG_MTK_HDMI_SUPPORT) || defined(CONFIG_MTK_EPD_SUPPORT)
	external_display_switch_mode(config_info->mode, session_config, config_info->session_id);
#endif
	return ret;
}

int _ioctl_set_session_mode(unsigned long arg)
{
	void __user *argp = (void __user *)arg;
	disp_session_config config_info;

	if (copy_from_user(&config_info, argp, sizeof(disp_session_config))) {
		DISPMSG("[FB]: copy_from_user failed! line:%d\n", __LINE__);
		return -EFAULT;
	}
	return set_session_mode(&config_info, 0);

}

const char *_session_ioctl_spy(unsigned int cmd)
{
	switch (cmd) {
	case DISP_IOCTL_CREATE_SESSION:
		return "DISP_IOCTL_CREATE_SESSION";
	case DISP_IOCTL_DESTROY_SESSION:
		return "DISP_IOCTL_DESTROY_SESSION";
	case DISP_IOCTL_TRIGGER_SESSION:
		return "DISP_IOCTL_TRIGGER_SESSION";
	case DISP_IOCTL_SET_INPUT_BUFFER:
		return "DISP_IOCTL_SET_INPUT_BUFFER";
	case DISP_IOCTL_PREPARE_INPUT_BUFFER:
		return "DISP_IOCTL_PREPARE_INPUT_BUFFER";
	case DISP_IOCTL_WAIT_FOR_VSYNC:
		return "DISP_IOCL_WAIT_FOR_VSYNC";
	case DISP_IOCTL_GET_SESSION_INFO:
		return "DISP_IOCTL_GET_SESSION_INFO";
	case DISP_IOCTL_INSERT_SESSION_BUFFERS:
		return "DISP_IOCTL_INSERT_SESSION_BUFFERS";
	case DISP_IOCTL_AAL_EVENTCTL:
		return "DISP_IOCTL_AAL_EVENTCTL";
	case DISP_IOCTL_AAL_GET_HIST:
		return "DISP_IOCTL_AAL_GET_HIST";
	case DISP_IOCTL_AAL_INIT_REG:
		return "DISP_IOCTL_AAL_INIT_REG";
	case DISP_IOCTL_AAL_SET_PARAM:
		return "DISP_IOCTL_AAL_SET_PARAM";
	case DISP_IOCTL_SET_GAMMALUT:
		return "DISP_IOCTL_SET_GAMMALUT";
	case DISP_IOCTL_SET_CCORR:
		return "DISP_IOCTL_SET_CCORR";
	case DISP_IOCTL_SET_PQPARAM:
		return "DISP_IOCTL_SET_PQPARAM";
	case DISP_IOCTL_GET_PQPARAM:
		return "DISP_IOCTL_GET_PQPARAM";
	case DISP_IOCTL_GET_PQINDEX:
		return "DISP_IOCTL_GET_PQINDEX";
	case DISP_IOCTL_SET_PQINDEX:
		return "DISP_IOCTL_SET_PQINDEX";
	case DISP_IOCTL_SET_TDSHPINDEX:
		return "DISP_IOCTL_SET_TDSHPINDEX";
	case DISP_IOCTL_GET_TDSHPINDEX:
		return "DISP_IOCTL_GET_TDSHPINDEX";
	case DISP_IOCTL_SET_PQ_CAM_PARAM:
		return "DISP_IOCTL_SET_PQ_CAM_PARAM";
	case DISP_IOCTL_GET_PQ_CAM_PARAM:
		return "DISP_IOCTL_GET_PQ_CAM_PARAM";
	case DISP_IOCTL_SET_PQ_GAL_PARAM:
		return "DISP_IOCTL_SET_PQ_GAL_PARAM";
	case DISP_IOCTL_GET_PQ_GAL_PARAM:
		return "DISP_IOCTL_GET_PQ_GAL_PARAM";
	case DISP_IOCTL_OD_CTL:
		return "DISP_IOCTL_OD_CTL";
	case DISP_IOCTL_GET_DISPLAY_CAPS:
		return "DISP_IOCTL_GET_DISPLAY_CAPS";
	case DISP_IOCTL_PQ_SET_BYPASS_COLOR:
		return "DISP_IOCTL_PQ_SET_BYPASS_COLOR";
	case DISP_IOCTL_PQ_SET_WINDOW:
		return "DISP_IOCTL_PQ_SET_WINDOW";
	case DISP_IOCTL_WRITE_REG:
		return "DISP_IOCTL_WRITE_REG";
	case DISP_IOCTL_READ_REG:
		return "DISP_IOCTL_READ_REG";
	case DISP_IOCTL_MUTEX_CONTROL:
		return "DISP_IOCTL_MUTEX_CONTROL";
	case DISP_IOCTL_PQ_GET_TDSHP_FLAG:
		return "DISP_IOCTL_PQ_GET_TDSHP_FLAG";
	case DISP_IOCTL_PQ_SET_TDSHP_FLAG:
		return "DISP_IOCTL_PQ_SET_TDSHP_FLAG";
	case DISP_IOCTL_PQ_GET_DC_PARAM:
		return "DISP_IOCTL_PQ_GET_DC_PARAM";
	case DISP_IOCTL_PQ_SET_DC_PARAM:
		return "DISP_IOCTL_PQ_SET_DC_PARAM";
	case DISP_IOCTL_WRITE_SW_REG:
		return "DISP_IOCTL_WRITE_SW_REG";
	case DISP_IOCTL_READ_SW_REG:
		return "DISP_IOCTL_READ_SW_REG";

	default:
		return "unknown";
	}
}

long mtk_disp_mgr_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
	int ret = -1;

	/* DISPMSG("mtk_disp_mgr_ioctl, cmd=%s, arg=0x%08x\n", _session_ioctl_spy(cmd), arg); */

	switch (cmd) {
	case DISP_IOCTL_CREATE_SESSION:
		return _ioctl_create_session(arg);
	case DISP_IOCTL_DESTROY_SESSION:
		return _ioctl_destroy_session(arg);
	case DISP_IOCTL_TRIGGER_SESSION:
		return _ioctl_trigger_session(arg);
	case DISP_IOCTL_GET_PRESENT_FENCE:
		/* return _ioctl_prepare_buffer(arg, PREPARE_PRESENT_FENCE); */
		return _ioctl_prepare_present_fence(arg);
	case DISP_IOCTL_PREPARE_INPUT_BUFFER:
		return _ioctl_prepare_buffer(arg, PREPARE_INPUT_FENCE);
	case DISP_IOCTL_SET_INPUT_BUFFER:
		return _ioctl_set_input_buffer(arg);
	case DISP_IOCTL_WAIT_FOR_VSYNC:
		return _ioctl_wait_vsync(arg);
	case DISP_IOCTL_GET_SESSION_INFO:
		return _ioctl_get_info(arg);
	case DISP_IOCTL_GET_IS_DRIVER_SUSPEND:
		return _ioctl_get_is_driver_suspend(arg);
	case DISP_IOCTL_GET_DISPLAY_CAPS:
		return _ioctl_get_display_caps(arg);
	case DISP_IOCTL_SET_VSYNC_FPS:
		return _ioctl_set_vsync(arg);
	case DISP_IOCTL_SET_SESSION_MODE:
		return _ioctl_set_session_mode(arg);
	case DISP_IOCTL_PREPARE_OUTPUT_BUFFER:
		return _ioctl_prepare_buffer(arg, PREPARE_OUTPUT_FENCE);
	case DISP_IOCTL_SET_OUTPUT_BUFFER:
		return _ioctl_set_output_buffer(arg);
	case DISP_IOCTL_GET_LCMINDEX:
		return primary_display_get_lcm_index();
	case DISP_IOCTL_INSERT_SESSION_BUFFERS:
		return _ioctl_insert_session_buffers(arg);
	case DISP_IOCTL_AAL_EVENTCTL:
	case DISP_IOCTL_AAL_GET_HIST:
	case DISP_IOCTL_AAL_INIT_REG:
	case DISP_IOCTL_AAL_SET_PARAM:
	case DISP_IOCTL_SET_GAMMALUT:
	case DISP_IOCTL_SET_CCORR:
	case DISP_IOCTL_SET_PQPARAM:
	case DISP_IOCTL_GET_PQPARAM:
	case DISP_IOCTL_SET_PQINDEX:
	case DISP_IOCTL_GET_PQINDEX:
	case DISP_IOCTL_SET_TDSHPINDEX:
	case DISP_IOCTL_GET_TDSHPINDEX:
	case DISP_IOCTL_SET_PQ_CAM_PARAM:
	case DISP_IOCTL_GET_PQ_CAM_PARAM:
	case DISP_IOCTL_SET_PQ_GAL_PARAM:
	case DISP_IOCTL_GET_PQ_GAL_PARAM:
	case DISP_IOCTL_PQ_SET_BYPASS_COLOR:
	case DISP_IOCTL_PQ_SET_WINDOW:
	case DISP_IOCTL_OD_CTL:
	case DISP_IOCTL_WRITE_REG:
	case DISP_IOCTL_READ_REG:
	case DISP_IOCTL_MUTEX_CONTROL:
	case DISP_IOCTL_PQ_GET_TDSHP_FLAG:
	case DISP_IOCTL_PQ_SET_TDSHP_FLAG:
	case DISP_IOCTL_PQ_GET_DC_PARAM:
	case DISP_IOCTL_PQ_SET_DC_PARAM:
	case DISP_IOCTL_PQ_GET_DS_PARAM:
	case DISP_IOCTL_PQ_GET_MDP_COLOR_CAP:
	case DISP_IOCTL_PQ_GET_MDP_TDSHP_REG:
	case DISP_IOCTL_WRITE_SW_REG:
	case DISP_IOCTL_READ_SW_REG:
		ret = primary_display_user_cmd(cmd, arg);
		break;
	default:
		DISPMSG("[session]ioctl not supported, 0x%08x\n", cmd);
	}

	return ret;
}

#ifdef CONFIG_COMPAT
static long mtk_disp_mgr_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
	long ret = -ENOIOCTLCMD;

	switch (cmd) {

		/* add cases here for 32bit/64bit conversion */
		/* ... */

	default:
		/* DISPERR("mtk_disp_mgr_compat_ioctl, file=0x%x, cmd=0x%x(%s), arg=0x%lx, "
			   "cmd nr=0x%08x, cmd size=0x%08x\n", file, cmd, _session_ioctl_spy(cmd), arg,
			   (unsigned int)_IOC_NR(cmd), (unsigned int)_IOC_SIZE(cmd)); */
		return mtk_disp_mgr_ioctl(file, cmd, arg);
	}

	return ret;
}
#endif


static const struct file_operations mtk_disp_mgr_fops = {
	.owner = THIS_MODULE,
	.mmap = mtk_disp_mgr_mmap,
	.unlocked_ioctl = mtk_disp_mgr_ioctl,
#ifdef CONFIG_COMPAT
	.compat_ioctl = mtk_disp_mgr_compat_ioctl,
#endif
	.open = mtk_disp_mgr_open,
	.release = mtk_disp_mgr_release,
	.flush = mtk_disp_mgr_flush,
	.read = mtk_disp_mgr_read,
};

static int mtk_disp_mgr_probe(struct platform_device *pdev)
{
	struct class_device;
	struct class_device *class_dev = NULL;
	int i;

	pr_debug("mtk_disp_mgr_probe called!\n");

	if (alloc_chrdev_region(&mtk_disp_mgr_devno, 0, 1, DISP_SESSION_DEVICE))
		return -EFAULT;

	mtk_disp_mgr_cdev = cdev_alloc();
	mtk_disp_mgr_cdev->owner = THIS_MODULE;
	mtk_disp_mgr_cdev->ops = &mtk_disp_mgr_fops;

	cdev_add(mtk_disp_mgr_cdev, mtk_disp_mgr_devno, 1);

	mtk_disp_mgr_class = class_create(THIS_MODULE, DISP_SESSION_DEVICE);
	class_dev =
	    (struct class_device *)device_create(mtk_disp_mgr_class, NULL, mtk_disp_mgr_devno, NULL,
						 DISP_SESSION_DEVICE);
	disp_sync_init();

#if defined(CONFIG_MTK_HDMI_SUPPORT) || defined(CONFIG_MTK_EPD_SUPPORT)
	external_display_control_init();
#endif

#ifdef CONFIG_ALL_IN_TRIGGER_STAGE
	for (i = 0; i < DISP_SESSION_MEMORY; i++) {
		int j;

		captured_session_input[i].config_layer_num = DISP_HW_MAX_LAYER;
		for (j = 0; j < DISP_HW_MAX_LAYER; j++) {
			captured_session_input[i].config[j].layer_enable = 0;
			captured_session_input[i].config[j].layer_id = j;
		}
	}
#endif

	return 0;
}

static int mtk_disp_mgr_remove(struct platform_device *pdev)
{
	return 0;
}

static void mtk_disp_mgr_shutdown(struct platform_device *pdev)
{

}

static int mtk_disp_mgr_suspend(struct platform_device *pdev, pm_message_t mesg)
{
	return 0;
}

static int mtk_disp_mgr_resume(struct platform_device *pdev)
{
	return 0;
}


static struct platform_driver mtk_disp_mgr_driver = {
	.probe = mtk_disp_mgr_probe,
	.remove = mtk_disp_mgr_remove,
	.shutdown = mtk_disp_mgr_shutdown,
	.suspend = mtk_disp_mgr_suspend,
	.resume = mtk_disp_mgr_resume,
	.driver = {
		.name = DISP_SESSION_DEVICE,
	},
};

static void mtk_disp_mgr_device_release(struct device *dev)
{

}

static u64 mtk_disp_mgr_dmamask = ~(u32) 0;

static struct platform_device mtk_disp_mgr_device = {
	.name = DISP_SESSION_DEVICE,
	.id = 0,
	.dev = {
		.release = mtk_disp_mgr_device_release,
		.dma_mask = &mtk_disp_mgr_dmamask,
		.coherent_dma_mask = 0xffffffff,
		},
	.num_resources = 0,
};

static int __init mtk_disp_mgr_init(void)
{
	if (platform_device_register(&mtk_disp_mgr_device))
		return -ENODEV;

	if (platform_driver_register(&mtk_disp_mgr_driver)) {
		platform_device_unregister(&mtk_disp_mgr_device);
		return -ENODEV;
	}


	return 0;
}

static void __exit mtk_disp_mgr_exit(void)
{
	cdev_del(mtk_disp_mgr_cdev);
	unregister_chrdev_region(mtk_disp_mgr_devno, 1);

	platform_driver_unregister(&mtk_disp_mgr_driver);
	platform_device_unregister(&mtk_disp_mgr_device);

	device_destroy(mtk_disp_mgr_class, mtk_disp_mgr_devno);
	class_destroy(mtk_disp_mgr_class);
}
module_init(mtk_disp_mgr_init);
module_exit(mtk_disp_mgr_exit);

MODULE_DESCRIPTION("MediaTek Display Manager");