示例#1
0
static int sr_dev_init(struct omap_hwmod *oh, void *user)
{
	struct omap_sr_data *sr_data;
	struct omap_device *od;
	struct omap_volt_data *volt_data;
	struct omap_smartreflex_dev_attr *sr_dev_attr;
	char *name = "smartreflex";
	static int i;

	sr_data = kzalloc(sizeof(struct omap_sr_data), GFP_KERNEL);
	if (!sr_data) {
		pr_err("%s: Unable to allocate memory for %s sr_data.Error!\n",
			__func__, oh->name);
		return -ENOMEM;
	}

	sr_dev_attr = (struct omap_smartreflex_dev_attr *)oh->dev_attr;
	if (!sr_dev_attr || !sr_dev_attr->sensor_voltdm_name) {
		pr_err("%s: No voltage domain specified for %s."
				"Cannot initialize\n", __func__,
					oh->name);
		goto exit;
	}

	sr_data->ip_type = oh->class->rev;
	sr_data->senn_mod = 0x1;
	sr_data->senp_mod = 0x1;

	sr_data->voltdm = voltdm_lookup(sr_dev_attr->sensor_voltdm_name);
	if (IS_ERR(sr_data->voltdm)) {
		pr_err("%s: Unable to get voltage domain pointer for VDD %s\n",
			__func__, sr_dev_attr->sensor_voltdm_name);
		goto exit;
	}

	omap_voltage_get_volttable(sr_data->voltdm, &volt_data);
	if (!volt_data) {
		pr_warning("%s: No Voltage table registerd fo VDD%d."
			"Something really wrong\n\n", __func__, i + 1);
		goto exit;
	}

	sr_set_nvalues(volt_data, sr_data);

	sr_data->enable_on_init = sr_enable_on_init;

	od = omap_device_build(name, i, oh, sr_data, sizeof(*sr_data),
			       omap_sr_latency,
			       ARRAY_SIZE(omap_sr_latency), 0);
	if (IS_ERR(od))
		pr_warning("%s: Could not build omap_device for %s: %s.\n\n",
			__func__, name, oh->name);
exit:
	i++;
	kfree(sr_data);
	return 0;
}
static int sr_dev_init(struct omap_hwmod *oh, void *user)
{
	struct omap_sr_data *sr_data;
	struct omap_sr_dev_data *sr_dev_data;
	struct omap_device *od;
	char *name = "smartreflex";
	static int i;

	sr_data = kzalloc(sizeof(struct omap_sr_data), GFP_KERNEL);
	if (!sr_data) {
		pr_err("%s: Unable to allocate memory for %s sr_data.Error!\n",
			__func__, oh->name);
		return -ENOMEM;
	}

	sr_dev_data = (struct omap_sr_dev_data *)oh->dev_attr;
	if (unlikely(!sr_dev_data)) {
		pr_err("%s: dev atrribute is NULL\n", __func__);
		kfree(sr_data);
		goto exit;
	}

	/*
	 * OMAP3430 ES3.1 chips by default come with Efuse burnt
	 * with parameters required for full functionality of
	 * smartreflex AVS feature like ntarget values , sennenable
	 * and senpenable. So enable the SR AVS feature during boot up
	 * itself if it is a OMAP3430 ES3.1 chip.
	 */
	if (cpu_is_omap343x()) {
		if (omap_rev() == OMAP3430_REV_ES3_1)
			sr_data->enable_on_init = true;
		else
			sr_data->enable_on_init = false;
	} else {
		sr_data->enable_on_init = false;
	}
	sr_data->device_enable = omap_device_enable;
	sr_data->device_shutdown = omap_device_shutdown;
	sr_data->device_idle = omap_device_idle;
	sr_data->voltdm = omap_voltage_domain_get(sr_dev_data->vdd_name);
	if (IS_ERR(sr_data->voltdm)) {
		pr_err("%s: Unable to get voltage domain pointer for VDD %s\n",
			__func__, sr_dev_data->vdd_name);
		kfree(sr_data);
		goto exit;
	}
	sr_dev_data->volts_supported = omap_voltage_get_volttable(
			sr_data->voltdm, &sr_dev_data->volt_data);
	if (!sr_dev_data->volts_supported) {
		pr_warning("%s: No Voltage table registerd fo VDD%d."
			"Something really wrong\n\n", __func__, i + 1);
		kfree(sr_data);
		goto exit;
	}
	sr_set_nvalues(sr_dev_data, sr_data);
	od = omap_device_build(name, i, oh, sr_data, sizeof(*sr_data),
			       omap_sr_latency,
			       ARRAY_SIZE(omap_sr_latency), 0);
	if (IS_ERR(od)) {
		pr_warning("%s: Could not build omap_device for %s: %s.\n\n",
			__func__, name, oh->name);
		kfree(sr_data);
	}
exit:
	i++;
	return 0;
}
示例#3
0
static int __init sr_dev_init(struct omap_hwmod *oh, void *user)
{
	struct omap_sr_data *sr_data;
	struct platform_device *pdev;
	struct omap_volt_data *volt_data;
	struct omap_smartreflex_dev_attr *sr_dev_attr;
	char *name = "smartreflex";
	static int i;

	sr_data = kzalloc(sizeof(struct omap_sr_data), GFP_KERNEL);
	if (!sr_data) {
		pr_err("%s: Unable to allocate memory for %s sr_data\n",
		       __func__, oh->name);
		return -ENOMEM;
	}

	sr_dev_attr = (struct omap_smartreflex_dev_attr *)oh->dev_attr;
	if (!sr_dev_attr || !sr_dev_attr->sensor_voltdm_name) {
		pr_err("%s: No voltage domain specified for %s. Cannot initialize\n",
		       __func__, oh->name);
		goto exit;
	}

	sr_data->name = oh->name;
	sr_data->ip_type = oh->class->rev;
	sr_data->senn_mod = 0x1;
	sr_data->senp_mod = 0x1;

	if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
		sr_data->err_weight = OMAP3430_SR_ERRWEIGHT;
		sr_data->err_maxlimit = OMAP3430_SR_ERRMAXLIMIT;
		sr_data->accum_data = OMAP3430_SR_ACCUMDATA;
		if (!(strcmp(sr_data->name, "smartreflex_mpu"))) {
			sr_data->senn_avgweight = OMAP3430_SR1_SENNAVGWEIGHT;
			sr_data->senp_avgweight = OMAP3430_SR1_SENPAVGWEIGHT;
		} else {
			sr_data->senn_avgweight = OMAP3430_SR2_SENNAVGWEIGHT;
			sr_data->senp_avgweight = OMAP3430_SR2_SENPAVGWEIGHT;
		}
	}

	sr_data->voltdm = voltdm_lookup(sr_dev_attr->sensor_voltdm_name);
	if (!sr_data->voltdm) {
		pr_err("%s: Unable to get voltage domain pointer for VDD %s\n",
			__func__, sr_dev_attr->sensor_voltdm_name);
		goto exit;
	}

	omap_voltage_get_volttable(sr_data->voltdm, &volt_data);
	if (!volt_data) {
		pr_err("%s: No Voltage table registered for VDD%d\n",
		       __func__, i + 1);
		goto exit;
	}

	sr_set_nvalues(volt_data, sr_data);

	sr_data->enable_on_init = sr_enable_on_init;

	pdev = omap_device_build(name, i, oh, sr_data, sizeof(*sr_data));
	if (IS_ERR(pdev))
		pr_warn("%s: Could not build omap_device for %s: %s\n",
			__func__, name, oh->name);
exit:
	i++;
	kfree(sr_data);
	return 0;
}
示例#4
0
static int __init sr_dev_init(struct omap_hwmod *oh, void *user)
{
	struct omap_sr_data *sr_data;
	struct platform_device *pdev;
	struct omap_volt_data *volt_data;
	struct omap_smartreflex_dev_attr *sr_dev_attr;
	char *name = "smartreflex";
	static int i;

	sr_data = kzalloc(sizeof(struct omap_sr_data), GFP_KERNEL);
	if (!sr_data) {
		pr_err("%s: Unable to allocate memory for %s sr_data.Error!\n",
			__func__, oh->name);
		return -ENOMEM;
	}

	sr_dev_attr = (struct omap_smartreflex_dev_attr *)oh->dev_attr;
	if (!sr_dev_attr || !sr_dev_attr->sensor_voltdm_name) {
		pr_err("%s: No voltage domain specified for %s."
				"Cannot initialize\n", __func__,
					oh->name);
		goto exit;
	}

	sr_data->name = oh->name;
	sr_data->lvt_sensor = false;
	sr_data->ip_type = oh->class->rev;
	sr_data->senn_mod = 0x1;
	sr_data->senp_mod = 0x1;

	sr_data->voltdm = voltdm_lookup(sr_dev_attr->sensor_voltdm_name);
	if (IS_ERR(sr_data->voltdm)) {
		pr_err("%s: Unable to get voltage domain pointer for VDD %s\n",
			__func__, sr_dev_attr->sensor_voltdm_name);
		goto exit;
	}

	if (cpu_is_omap54xx() &&
	    (!strcmp(sr_data->voltdm->name, "mpu") ||
	     !strcmp(sr_data->voltdm->name, "mm")))
		sr_data->lvt_sensor = true;

	omap_voltage_get_volttable(sr_data->voltdm, &volt_data);
	if (!volt_data) {
		pr_warning("%s: No Voltage table registerd fo VDD%d."
			"Something really wrong\n\n", __func__, i + 1);
		goto exit;
	}

	sr_set_nvalues(volt_data, sr_data);

	if (sr_data->lvt_sensor)
		lvt_sr_set_nvalues(volt_data, sr_data);

	sr_data->enable_on_init = sr_enable_on_init;

	sr_data->ops = &omap_sr_ops;

	pdev = omap_device_build(name, i, oh, sr_data, sizeof(*sr_data),
				 NULL, 0, 0);
	if (IS_ERR(pdev))
		pr_warning("%s: Could not build omap_device for %s: %s.\n\n",
			__func__, name, oh->name);

	/* DONOT auto-disable me while going to suspend */
	omap_device_disable_idle_on_suspend(pdev);
exit:
	i++;
	kfree(sr_data);
	return 0;
}