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goodix_gtx8_v1430_mmi: support DRM notification chain

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TP:
In new qcom platform, LCD send notification though DRM chain, not fb.
Register DRM notification chain for TP suspend/resume.

Change-Id: Ib34bc796553cc3aa3411788de88049296f0a9bd7
Signed-off-by: haojl2 <haojl2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1442728
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Konstantin Makariev <kmakariev@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
haojl2 2019-10-24 18:10:14 +08:00 • committed by Jialei Hao
commit b30cf6743b
3 changed files with 49 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

43
drivers/input/touchscreen/goodix_gtx8_v1430_mmi/goodix_ts_core.c
View file

@ -1902,7 +1902,37 @@ out:
return 0;
}
#ifdef CONFIG_FB
#if defined(CONFIG_DRM)
int goodix_ts_fb_notifier_callback(struct notifier_block *self,
unsigned long event, void *data)
{
struct goodix_ts_core *core_data =
container_of(self, struct goodix_ts_core, fb_notifier);
struct goodix_ts_board_data *ts_bdata = board_data(core_data);
struct msm_drm_notifier *evdata = data;
if (!evdata || (evdata->id != ts_bdata->ctrl_dsi))
return 0;
ts_info("Notifier's event = %ld", event);
if ((event == MSM_DRM_EARLY_EVENT_BLANK || event == MSM_DRM_EVENT_BLANK) &&
evdata && evdata->data && core_data) {
int *blank = evdata->data;
pr_debug("drm notification: event = %lu blank = %d\n", event, *blank);
if (event == MSM_DRM_EARLY_EVENT_BLANK) {
if (*blank != MSM_DRM_BLANK_POWERDOWN)
return 0;
ts_info("TP Suspend");
goodix_ts_suspend(core_data);
} else if (*blank == MSM_DRM_BLANK_UNBLANK) {
ts_info("TP Resume");
goodix_ts_resume(core_data);
}
}
return 0;
}
#elif defined(CONFIG_FB)
/**
* goodix_ts_fb_notifier_callback - Framebuffer notifier callback
* Called by kernel during framebuffer blanck/unblank phrase
@ -2049,7 +2079,14 @@ int goodix_ts_stage2_init(struct goodix_ts_core *core_data)
}
ts_info("success register irq");
#ifdef CONFIG_FB
#ifdef CONFIG_DRM
core_data->fb_notifier.notifier_call = goodix_ts_fb_notifier_callback;
if (!msm_drm_register_client(&core_data->fb_notifier))
ts_info("registered DRM notifier");
else
ts_err("%s: Unable to register DRM notifier",
__func__);
#elif defined(CONFIG_FB)
core_data->fb_notifier.notifier_call = goodix_ts_fb_notifier_callback;
if (fb_register_client(&core_data->fb_notifier))
ts_err("Failed to register fb notifier client:%d", r);
@ -2177,7 +2214,7 @@ static int goodix_ts_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
static const struct dev_pm_ops dev_pm_ops = {
#if !defined(CONFIG_FB) && !defined(CONFIG_HAS_EARLYSUSPEND)
#if !defined(CONFIG_FB) && !defined(CONFIG_DRM) && !defined(CONFIG_HAS_EARLYSUSPEND)
.suspend = goodix_ts_pm_suspend,
.resume = goodix_ts_pm_resume,
#endif

5
drivers/input/touchscreen/goodix_gtx8_v1430_mmi/goodix_ts_core.h
View file

@ -44,7 +44,9 @@
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif
#ifdef CONFIG_FB
#ifdef CONFIG_DRM
#include <linux/msm_drm_notify.h>
#elif defined(CONFIG_FB)
#include <linux/notifier.h>
#include <linux/fb.h>
#endif
@ -116,6 +118,7 @@ struct goodix_ts_board_data {
unsigned int reset_gpio;
unsigned int irq_gpio;
int irq;
int ctrl_dsi;
unsigned int irq_flags;
unsigned int power_on_delay_us;

5
drivers/input/touchscreen/goodix_gtx8_v1430_mmi/goodix_ts_i2c.c
View file

@ -214,6 +214,11 @@ static int goodix_parse_dt(struct device_node *node,
return r;
}
r = of_property_read_u32(node, "goodix,control-dsi",
&board_data->ctrl_dsi);
if (!r)
ts_info("control DSI %d", board_data->ctrl_dsi);
/* key map */
prop = of_find_property(node, "goodix,panel-key-map", NULL);
if (prop && prop->length) {