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dlkm: goodix_fod: support drm panel notification

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Add DRM panel notification to support screen state to hal.
It can make sensor broken detecte work well

Change-Id: If43fda2cd8c38faba552718d14958281f82688e3
Signed-off-by: wuwl10 <wuwl10@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2796187
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Ling Zhong <zhongl1@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
wuwl10 2023-11-16 11:34:44 +08:00 • committed by PDO SCM Team
commit 39d2778cb5
4 changed files with 69 additions and 10 deletions
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4
drivers/input/misc/goodix_fod_mmi/Android.mk
View file

@ -1,6 +1,10 @@
DLKM_DIR := motorola/kernel/modules
LOCAL_PATH := $(call my-dir)
ifeq ($(GOODIX_FPS_DRM_PANEL_NOTIFICATIONS),true)
KERNEL_CFLAGS += CONFIG_GOODIX_DRM_PANEL_NOTIFICATIONS=y
endif
include $(CLEAR_VARS)
LOCAL_MODULE := goodix_fod_mmi.ko
LOCAL_MODULE_TAGS := optional

4
drivers/input/misc/goodix_fod_mmi/Kbuild
View file

@ -6,6 +6,10 @@ ifneq ($(filter m y,$(CONFIG_MMI_RELAY)),)
EXTRA_CFLAGS += -DMMI_RELAY_MODULE
endif
ifneq ($(filter m y,$(CONFIG_GOODIX_DRM_PANEL_NOTIFICATIONS)),)
EXTRA_CFLAGS += -DCONFIG_GOODIX_DRM_PANEL_NOTIFICATIONS
endif
ifneq ($(filter banks%, $(TARGET_PRODUCT)),)
EXTRA_CFLAGS += -DSOFTDEP_GPIO_PCAL6408
endif

68
drivers/input/misc/goodix_fod_mmi/gf_spi.c
View file

@ -54,6 +54,10 @@
#endif
#include <linux/version.h>
#if defined(CONFIG_GOODIX_DRM_PANEL_NOTIFICATIONS)
#include <drm/drm_panel.h>
#endif
#define VER_MAJOR 1
#define VER_MINOR 2
#define PATCH_LEVEL 4
@ -701,25 +705,55 @@ static const struct file_operations gf_fops = {
#endif
};
#if defined(CONFIG_GOODIX_DRM_PANEL_NOTIFICATIONS)
static int drm_check_dt(struct gf_dev *gf_dev)
{
int i = 0;
int count = 0;
struct device *dev = &gf_dev->spi->dev;
struct device_node *np = dev->of_node;
struct device_node *node = NULL;
struct drm_panel *panel = NULL;
count = of_count_phandle_with_args(np, "panel", NULL);
if (count <= 0) {
pr_err(" %s : find drm_panel fail count = %d ", __func__, count);
return -ENODEV;
}
for (i = 0; i < count; i++) {
node = of_parse_phandle(np, "panel", i);
panel = of_drm_find_panel(node);
of_node_put(node);
if (!IS_ERR(panel)) {
pr_info(" %s : find drm_panel successfully ", __func__);
gf_dev->active_panel = panel;
return 0;
}
}
pr_err(" %s : can not find drm_panel ", __func__);
return -ENODEV;
}
#endif
static int goodix_fb_state_chg_callback(struct notifier_block *nb,
unsigned long val, void *data)
{
#if 0
#if defined(CONFIG_GOODIX_DRM_PANEL_NOTIFICATIONS)
struct gf_dev *gf_dev;
struct fb_event *evdata = data;
struct drm_panel_notifier *evdata = data;
int blank;
char msg = 0;
if (val != FB_EARLY_EVENT_BLANK)
if (val != DRM_PANEL_EARLY_EVENT_BLANK)
return 0;
pr_info("[info] %s go to the goodix_fb_state_chg_callback value = %d\n",
pr_debug("[info] %s go to the goodix_fb_state_chg_callback value = %d\n",
__func__, (int)val);
gf_dev = container_of(nb, struct gf_dev, notifier);
if (evdata && evdata->data && val == FB_EARLY_EVENT_BLANK && gf_dev) {
if (evdata && evdata->data && val == DRM_PANEL_EARLY_EVENT_BLANK && gf_dev) {
blank = *(int *)(evdata->data);
switch (blank) {
case FB_BLANK_POWERDOWN:
case DRM_PANEL_BLANK_POWERDOWN:
gf_dev->fb_black = 1;
pr_debug("%s DRM_PANEL_BLANK_POWERDOWN\n", __func__);
#if defined(GF_NETLINK_ENABLE)
msg = GF_NET_EVENT_FB_BLACK;
sendnlmsg(&msg);
@ -729,7 +763,8 @@ static int goodix_fb_state_chg_callback(struct notifier_block *nb,
#endif
break;
case FB_BLANK_UNBLANK:
case DRM_PANEL_BLANK_UNBLANK:
pr_debug("%s DRM_PANEL_BLANK_UNBLANK\n", __func__);
gf_dev->fb_black = 0;
#if defined(GF_NETLINK_ENABLE)
msg = GF_NET_EVENT_FB_UNBLACK;
@ -741,7 +776,7 @@ static int goodix_fb_state_chg_callback(struct notifier_block *nb,
break;
default:
pr_info("%s defalut\n", __func__);
pr_debug("%s defalut\n", __func__);
break;
}
}
@ -842,8 +877,14 @@ static int gf_probe(struct platform_device *pdev)
#endif
gf_dev->notifier = goodix_noti_block;
#if defined(CONFIG_GOODIX_DRM_PANEL_NOTIFICATIONS)
gf_dev->active_panel = NULL;
drm_check_dt(gf_dev);
status = drm_panel_notifier_register(gf_dev->active_panel, &gf_dev->notifier);
pr_info("gf_probe drm_panel_notifier_register: status = %d\n", status);
#else
fb_register_client(&gf_dev->notifier);
#endif
gf_dev->irq = gf_irq_num(gf_dev);
status = request_threaded_irq(gf_dev->irq, NULL, gf_irq,
@ -928,8 +969,15 @@ static int gf_remove(struct platform_device *pdev)
clear_bit(MINOR(gf_dev->devt), minors);
if (gf_dev->users == 0)
gf_cleanup(gf_dev);
#if defined(CONFIG_GOODIX_DRM_PANEL_NOTIFICATIONS)
if (gf_dev->active_panel)
{
drm_panel_notifier_unregister(gf_dev->active_panel, &gf_dev->notifier);
gf_dev->active_panel = NULL;
}
#else
fb_unregister_client(&gf_dev->notifier);
#endif
mutex_unlock(&device_list_lock);
return 0;

3
drivers/input/misc/goodix_fod_mmi/gf_spi.h
View file

@ -172,6 +172,9 @@ struct gf_dev {
#endif
struct notifier_block notifier;
char fb_black;
#if defined(CONFIG_GOODIX_DRM_PANEL_NOTIFICATIONS)
struct drm_panel *active_panel;
#endif
};
int gf_parse_dts(struct gf_dev *gf_dev);