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haptic_hv: Add HAL compatility

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Add alternative 'activate_store' and 'seq_store' functions to allow
existing HAL to properly interact with the haptic_hv driver.

NOTE: This commit does not add compatible RTP playback support

Change-Id: I9b94219d16ada7532de359acd80065a1743a435a
Signed-off-by: Perry White <awhite6@motorola.com>
Reviewed-on: https://gerrit.mot.com/2425277
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Konstantin Makariev <kmakariev@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Andy White 2022-11-09 12:45:33 -06:00
commit aff1cd0bc3
2 changed files with 83 additions and 0 deletions
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4
drivers/misc/awinic/haptic_hv/Kbuild
View file

@ -6,5 +6,9 @@ ifneq ($(filter m y,$(CONFIG_INPUT_AWINIC_HAPTIC)),)
EXTRA_CFLAGS += -DCONFIG_INPUT_AWINIC_HAPTIC
endif
ifneq (,$(filter felix%,$(TARGET_PRODUCT)))
EXTRA_CFLAGS += -DHAPTIC_HV_HAL_COMPAT
endif
obj-m += aw_haptic_hv.o
aw_haptic_hv-objs := aw869x.o aw869xx.o aw8671x.o aw8692x.o haptic_hv.o

79
drivers/misc/awinic/haptic_hv/haptic_hv.c
View file

@ -1703,6 +1703,51 @@ static ssize_t activate_show(struct device *dev, struct device_attribute *attr,
return snprintf(buf, PAGE_SIZE, "activate = %d\n", aw_haptic->state);
}
#ifdef HAPTIC_HV_HAL_COMPAT
/* Moto-HAL-compatible. If "duration" has been set to less than or equal to
100ms, perform a single short vibration using seq[0]. If "duration" has been
set to higher than 100ms, perform a long vibration for "duration" ms using
waveform index 2. */
static ssize_t activate_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
cdev_t *cdev = dev_get_drvdata(dev);
struct aw_haptic *aw_haptic = container_of(cdev, struct aw_haptic, vib_dev);
uint32_t val = 0;
int rc = 0;
rc = kstrtouint(buf, 0, &val);
if (rc < 0)
return rc;
if (val != 0 && val != 1)
return -EINVAL;
aw_info("value=%d", val);
if (!aw_haptic->ram_init) {
aw_err("ram init failed, not allow to play!");
return -EIO;
}
mutex_lock(&aw_haptic->lock);
aw_haptic->state = val;
if (aw_haptic->duration <= 100) { /* Short vibration */
aw_haptic->activate_mode = AW_RAM_MODE;
aw_haptic->loop[0] = 0x00;
aw_haptic->func->set_wav_loop(aw_haptic, 0x00, 0x00);
} else { /* Long vibration */
aw_haptic->activate_mode = AW_RAM_LOOP_MODE;
aw_haptic->index = 0x02;
aw_haptic->func->set_repeat_seq(aw_haptic, aw_haptic->index);
}
mutex_unlock(&aw_haptic->lock);
schedule_work(&aw_haptic->vibrator_work);
return count;
}
#else /* #ifdef HAPTIC_HV_HAL_COMPAT */
static ssize_t activate_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@ -1728,6 +1773,7 @@ static ssize_t activate_store(struct device *dev, struct device_attribute *attr,
return count;
}
#endif /* #ifdef HAPTIC_HV_HAL_COMPAT */
static ssize_t activate_mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -1875,6 +1921,38 @@ static ssize_t seq_show(struct device *dev, struct device_attribute *attr,
return count;
}
#ifdef HAPTIC_HV_HAL_COMPAT
/* Moto-HAL-compatible. Takes a 32-bit value, with the most significant byte
assigned to seq[0], the next most significant byte being assigned to seq[1],
next to seq[2], and the least significant byte being assigned to seq[3]. */
static ssize_t seq_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
cdev_t *cdev = dev_get_drvdata(dev);
struct aw_haptic *aw_haptic = container_of(cdev, struct aw_haptic, vib_dev);
unsigned int i, val = 0, seq_val;
int rc;
rc = kstrtouint(buf, 0, &val);
if (rc < 0)
return rc;
aw_info("seq=0x%08X", val);
for (i = 0; i < 4; i++) {
seq_val = (val >> ((4-i-1) * 8)) & 0xFF;
if (seq_val > aw_haptic->ram.ram_num) {
aw_err("seq[%d]: Input value out of range! (0x%02X)", i, seq_val);
seq_val = 0;
}
aw_haptic->seq[i] = seq_val;
mutex_lock(&aw_haptic->lock);
aw_haptic->func->set_wav_seq(aw_haptic, i, aw_haptic->seq[i]);
mutex_unlock(&aw_haptic->lock);
}
return count;
}
#else /* #ifdef HAPTIC_HV_HAL_COMPAT */
static ssize_t seq_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@ -1898,6 +1976,7 @@ static ssize_t seq_store(struct device *dev, struct device_attribute *attr,
}
return count;
}
#endif /* #ifdef HAPTIC_HV_HAL_COMPAT */
static ssize_t loop_show(struct device *dev, struct device_attribute *attr,
char *buf)