Merge "coresight: tpdm: Add sysfs to control timestamp for each MCMB frame" (4fad10f4) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/hwtracing/coresight/coresight-tpdm.c

+45 −0

Original line number	Diff line number	Diff line
		@@ -241,6 +241,7 @@ struct cmb_dataset {
		uint32_t trig_patt_val[TPDM_CMB_PATT_CMP];
		uint32_t trig_patt_mask[TPDM_CMB_PATT_CMP];
		bool trig_ts;
		bool ts_all;
		uint32_t msr[TPDM_CMB_MAX_MSR];
		uint8_t read_ctl_reg;
		struct mcmb_dataset *mcmb;
		@@ -647,6 +648,10 @@ static void __tpdm_enable_mcmb(struct tpdm_drvdata *drvdata)
		val = val \| BIT(1);
		else
		val = val & ~BIT(1);
		if (drvdata->cmb->ts_all)
		val = val \| BIT(2);
		else
		val = val & ~BIT(2);
		tpdm_writel(drvdata, val, TPDM_CMB_TIER);

		__tpdm_config_cmb_msr(drvdata);
		@@ -3725,6 +3730,45 @@ static ssize_t tpdm_store_cmb_patt_ts(struct device *dev,
		mutex_unlock(&drvdata->lock);
		return size;
		}

		static ssize_t cmb_ts_all_show(struct device *dev,
		struct device_attribute *attr,
		char *buf)
		{
		struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);

		if (!(test_bit(TPDM_DS_CMB, drvdata->datasets) \|\|
		test_bit(TPDM_DS_MCMB, drvdata->datasets)))
		return -EPERM;

		return scnprintf(buf, PAGE_SIZE, "%u\n",
		(unsigned int)drvdata->cmb->ts_all);
		}

		static ssize_t cmb_ts_all_store(struct device *dev,
		struct device_attribute *attr,
		const char *buf,
		size_t size)
		{
		struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
		unsigned long val;

		if (kstrtoul(buf, 16, &val))
		return -EINVAL;
		if (!(test_bit(TPDM_DS_CMB, drvdata->datasets) \|\|
		test_bit(TPDM_DS_MCMB, drvdata->datasets)))
		return -EPERM;

		mutex_lock(&drvdata->lock);
		if (val)
		drvdata->cmb->ts_all = true;
		else
		drvdata->cmb->ts_all = false;
		mutex_unlock(&drvdata->lock);
		return size;
		}
		static DEVICE_ATTR_RW(cmb_ts_all);

		static DEVICE_ATTR(cmb_patt_ts, 0644,
		tpdm_show_cmb_patt_ts, tpdm_store_cmb_patt_ts);

		@@ -4231,6 +4275,7 @@ static struct attribute *tpdm_cmb_attrs[] = {
		&dev_attr_cmb_patt_val.attr,
		&dev_attr_cmb_patt_mask.attr,
		&dev_attr_cmb_patt_ts.attr,
		&dev_attr_cmb_ts_all.attr,
		&dev_attr_cmb_trig_patt_val_lsb.attr,
		&dev_attr_cmb_trig_patt_mask_lsb.attr,
		&dev_attr_cmb_trig_patt_val_msb.attr,