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Support touch high resolution

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This new protocol supports touch high resolution,for example 8X/10X/16X,
but it's not compatible with previous protocol,so need use macro to control.

Change-Id: Ib9e8590cd3cf05ba88b83f33fab552909c2d9a5e
Signed-off-by: Wenge Zhu <zhuwg1@motorola.com>
Reviewed-on: https://gerrit.mot.com/2399367
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Wei Deng <dengwei1@motorola.com>
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Wenge Zhu 2022-10-09 11:39:20 +08:00 • committed by zhuwg1
commit c4fe39e1fe
3 changed files with 45 additions and 0 deletions
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4
drivers/input/touchscreen/focaltech_touch_v3/Android.mk
View file

@ -40,6 +40,10 @@ ifeq ($(FTS_COMPATIBLE_WITH_GKI),true)
KBUILD_OPTIONS += CONFIG_FTS_COMPATIBLE_WITH_GKI=y
endif
ifeq ($(FTS_SUPPORT_HIGH_RESOLUTION),true)
KBUILD_OPTIONS += CONFIG_FTS_SUPPORT_HIGH_RESOLUTION=y
endif
else
ifneq ($(FOCALTECH_TOUCH_IC_NAME),)
KERNEL_CFLAGS += CONFIG_INPUT_FOCALTECH_V3_MMI_IC_NAME=$(FOCALTECH_TOUCH_IC_NAME)

4
drivers/input/touchscreen/focaltech_touch_v3/Kbuild
View file

@ -59,5 +59,9 @@ ifneq ($(filter m y, $(CONFIG_FTS_DOUBLE_TAP_CONTROL)),)
EXTRA_CFLAGS += -DCONFIG_FTS_DOUBLE_TAP_CONTROL
endif
ifneq ($(filter m y, $(CONFIG_FTS_SUPPORT_HIGH_RESOLUTION)),)
EXTRA_CFLAGS += -DCONFIG_FTS_SUPPORT_HIGH_RESOLUTION
endif
KBUILD_EXTRA_SYMBOLS += $(CURDIR)/../../kernel/msm-$(MODULE_KERNEL_VERSION)/Module.symvers
KBUILD_EXTRA_SYMBOLS += $(CURDIR)/$(KBUILD_EXTMOD)/../../../mmi_info/$(GKI_OBJ_MODULE_DIR)/Module.symvers

37
drivers/input/touchscreen/focaltech_touch_v3/focaltech_core.c
View file

@ -876,6 +876,42 @@ static int fts_irq_read_report(struct fts_ts_data *ts_data)
return -EIO;
}
#ifdef CONFIG_FTS_SUPPORT_HIGH_RESOLUTION
for (i = 0; i < max_touch_num; i++) {
base = FTS_ONE_TCH_LEN * i + 2;
pointid = (touch_buf[FTS_TOUCH_OFF_ID_YH + base]) >> 4;
if (pointid >= FTS_MAX_ID)
break;
else if (pointid >= max_touch_num) {
FTS_ERROR("ID(%d) beyond max_touch_number", pointid);
return -EINVAL;
}
events[i].id = pointid;
events[i].flag = touch_buf[FTS_TOUCH_OFF_E_XH + base] >> 6;
//bit[15:12] | bit[11:4] | bit[3:0]
events[i].x = ((touch_buf[FTS_TOUCH_OFF_E_XH + base] & 0x0F) << 12) \
| ((touch_buf[FTS_TOUCH_OFF_XL + base] & 0xFF) << 4) \
| ((touch_buf[FTS_TOUCH_OFF_PRE + base] >> 4) & 0x0F);
//bit[15:12] | bit[11:4] | bit[3:0]
events[i].y = ((touch_buf[FTS_TOUCH_OFF_ID_YH + base] & 0x0F) << 12) \
| ((touch_buf[FTS_TOUCH_OFF_YL + base] & 0xFF) << 4) \
| (touch_buf[FTS_TOUCH_OFF_PRE + base] & 0x0F);
events[i].p = touch_buf[FTS_TOUCH_OFF_PRE + base] & 0x0F;
events[i].area = touch_buf[FTS_TOUCH_OFF_AREA + base];
if (events[i].p <= 0) events[i].p = 0x3F;
if (events[i].area <= 0) events[i].area = 0x09;
event_num++;
if (EVENT_DOWN(events[i].flag) && (finger_num == 0)) {
FTS_INFO("abnormal touch data from fw");
return -EIO;
}
}
#else
for (i = 0; i < max_touch_num; i++) {
base = FTS_ONE_TCH_LEN * i + 2;
pointid = (touch_buf[FTS_TOUCH_OFF_ID_YH + base]) >> 4;
@ -903,6 +939,7 @@ static int fts_irq_read_report(struct fts_ts_data *ts_data)
return -EIO;
}
}
#endif
if (event_num == 0) {
FTS_INFO("no touch point information(%02x)", touch_buf[2]);