Merge "drivers: dcvs: MPAM: add driver to configure MPAM"
This commit is contained in:
qctecmdr
Gerrit - the friendly Code Review server
commit
eb82fd6605
6 changed files with 210 additions and 8 deletions
|
|
@ -211,7 +211,7 @@ CONFIG_QTI_BATTERY_CHARGER=m
|
|||
CONFIG_QTI_BATTERY_GLINK_DEBUG=m
|
||||
CONFIG_QTI_BCL_PMIC5=m
|
||||
CONFIG_QTI_BCL_SOC_DRIVER=m
|
||||
CONFIG_QTI_C1DCVS_SCMI_CLIENT=m
|
||||
CONFIG_QTI_C1DCVS_SCMI_V2=m
|
||||
CONFIG_QTI_CHARGER_ULOG_GLINK=m
|
||||
CONFIG_QTI_CPUCP_LOG=m
|
||||
CONFIG_QTI_CPUFREQ_CDEV=m
|
||||
|
|
@ -225,16 +225,16 @@ CONFIG_QTI_DEVFREQ_CDEV=m
|
|||
CONFIG_QTI_GLINK_ADC=m
|
||||
CONFIG_QTI_HW_KEY_MANAGER=m
|
||||
CONFIG_QTI_IOMMU_SUPPORT=m
|
||||
CONFIG_QTI_MPAM=m
|
||||
CONFIG_QTI_PMIC_EUSB2_REPEATER=m
|
||||
CONFIG_QTI_PMIC_GLINK=m
|
||||
# CONFIG_QTI_PMIC_GLINK_CLIENT_DEBUG is not set
|
||||
CONFIG_QTI_PMIC_GLINK_DEBUG=m
|
||||
CONFIG_QTI_PMIC_PON_LOG=m
|
||||
CONFIG_QTI_PMU_SCMI_CLIENT=m
|
||||
CONFIG_QTI_QCOM_SCMI_CLIENT=m
|
||||
CONFIG_QTI_QMI_COOLING_DEVICE=m
|
||||
CONFIG_QTI_QMI_SENSOR_V2=m
|
||||
CONFIG_QTI_SCMI_C1DCVS_PROTOCOL=m
|
||||
CONFIG_QTI_SCMI_PMU_PROTOCOL=m
|
||||
CONFIG_QTI_SCMI_VENDOR_PROTOCOL=m
|
||||
CONFIG_QTI_SYS_PM_VX=m
|
||||
CONFIG_QTI_THERMAL_LIMITS_DCVS=m
|
||||
CONFIG_QTI_USERSPACE_CDEV=m
|
||||
|
|
|
|||
|
|
@ -96,3 +96,15 @@ config QTI_C1DCVS_SCMI_V2
|
|||
|
||||
This driver is used to expose sysfs interface to communicate
|
||||
with cpucp for C1 DCVS based on SCMI consolidation.
|
||||
|
||||
config QTI_MPAM
|
||||
tristate "Qualcomm Technologies Inc. MPAM Interface Driver"
|
||||
depends on QTI_SCMI_VENDOR_PROTOCOL
|
||||
default n
|
||||
help
|
||||
Driver to expose MPAM sysfs nodes to user space.
|
||||
|
||||
This driver gathers MPAM configuration parameters from sysfs
|
||||
userspace and relays them to CPUCP via SCMI communication.
|
||||
It is intended to be used by clients familiar with modifying
|
||||
the ARM MPAM configuration settings.
|
||||
|
|
|
|||
|
|
@ -10,3 +10,4 @@ obj-$(CONFIG_QTI_PMU_SCMI_CLIENT) += pmu_scmi.o
|
|||
obj-$(CONFIG_QTI_C1DCVS_SCMI_CLIENT) += c1dcvs_scmi.o
|
||||
obj-$(CONFIG_QTI_QCOM_SCMI_CLIENT) += qcom_scmi_client.o
|
||||
obj-$(CONFIG_QTI_C1DCVS_SCMI_V2) += c1dcvs_scmi_v2.o
|
||||
obj-$(CONFIG_QTI_MPAM) += mpam.o
|
||||
|
|
|
|||
187
drivers/soc/qcom/dcvs/mpam.c
Normal file
187
drivers/soc/qcom/dcvs/mpam.c
Normal file
|
|
@ -0,0 +1,187 @@
|
|||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
/*
|
||||
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/errno.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/cpu.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/scmi_protocol.h>
|
||||
#include <linux/qcom_scmi_vendor.h>
|
||||
|
||||
#define MPAM_ALGO_STR 0x4D50414D4558544E /* "MPAMEXTN" */
|
||||
|
||||
enum mpam_profiling_param_ids {
|
||||
PARAM_CACHE_PORTION = 1,
|
||||
};
|
||||
|
||||
struct mpam_cache_portion {
|
||||
uint32_t part_id;
|
||||
uint32_t cache_portion;
|
||||
};
|
||||
|
||||
static struct mpam_cache_portion cur_cache_portion;
|
||||
static struct kobject mpam_kobj;
|
||||
static struct scmi_protocol_handle *ph;
|
||||
static const struct qcom_scmi_vendor_ops *ops;
|
||||
static struct scmi_device *sdev;
|
||||
|
||||
|
||||
static int qcom_mpam_set_cache_portion(struct mpam_cache_portion *msg)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
ret = ops->set_param(ph, msg, MPAM_ALGO_STR, PARAM_CACHE_PORTION,
|
||||
sizeof(*msg));
|
||||
|
||||
if (!ret)
|
||||
memcpy(&cur_cache_portion, msg, sizeof(*msg));
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
struct qcom_mpam_attr {
|
||||
struct attribute attr;
|
||||
ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
|
||||
char *buf);
|
||||
ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
|
||||
const char *buf, size_t count);
|
||||
};
|
||||
|
||||
#define to_mpam_attr(_attr) \
|
||||
container_of(_attr, struct qcom_mpam_attr, attr)
|
||||
#define MPAM_ATTR_RW(_name) \
|
||||
static struct qcom_mpam_attr _name = \
|
||||
__ATTR(_name, 0644, show_##_name, store_##_name) \
|
||||
|
||||
|
||||
static ssize_t store_set_cache_portion(struct kobject *kobj,
|
||||
struct attribute *attr, const char *buf,
|
||||
size_t count)
|
||||
{
|
||||
int i, ret = -EINVAL;
|
||||
unsigned int val[2];
|
||||
char *str, *s = kstrdup(buf, GFP_KERNEL);
|
||||
struct mpam_cache_portion msg;
|
||||
|
||||
for (i = 0; i < 2; i++) {
|
||||
str = strsep(&s, " ");
|
||||
if (!str)
|
||||
goto out;
|
||||
ret = kstrtouint(str, 10, &val[i]);
|
||||
if (ret < 0) {
|
||||
pr_err("Invalid value :%d\n", ret);
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
msg.part_id = val[0];
|
||||
msg.cache_portion = val[1];
|
||||
|
||||
ret = qcom_mpam_set_cache_portion(&msg);
|
||||
|
||||
out:
|
||||
kfree(s);
|
||||
return ((ret < 0) ? ret : count);
|
||||
}
|
||||
|
||||
static ssize_t show_set_cache_portion(struct kobject *kobj,
|
||||
struct attribute *attr, char *buf)
|
||||
{
|
||||
return scnprintf(buf, PAGE_SIZE, "%u\t%u\n", cur_cache_portion.part_id,
|
||||
cur_cache_portion.cache_portion);
|
||||
}
|
||||
|
||||
MPAM_ATTR_RW(set_cache_portion);
|
||||
|
||||
static struct attribute *mpam_settings_attrs[] = {
|
||||
&set_cache_portion.attr,
|
||||
NULL,
|
||||
};
|
||||
ATTRIBUTE_GROUPS(mpam_settings);
|
||||
|
||||
static ssize_t attr_show(struct kobject *kobj, struct attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
struct qcom_mpam_attr *mpam_attr = to_mpam_attr(attr);
|
||||
ssize_t ret = -EIO;
|
||||
|
||||
if (mpam_attr->show)
|
||||
ret = mpam_attr->show(kobj, attr, buf);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static ssize_t attr_store(struct kobject *kobj, struct attribute *attr,
|
||||
const char *buf, size_t count)
|
||||
{
|
||||
struct qcom_mpam_attr *mpam_attr = to_mpam_attr(attr);
|
||||
ssize_t ret = -EIO;
|
||||
|
||||
if (mpam_attr->store)
|
||||
ret = mpam_attr->store(kobj, attr, buf, count);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct sysfs_ops mpam_sysfs_ops = {
|
||||
.show = attr_show,
|
||||
.store = attr_store,
|
||||
};
|
||||
static struct kobj_type mpam_settings_ktype = {
|
||||
.sysfs_ops = &mpam_sysfs_ops,
|
||||
.default_groups = mpam_settings_groups,
|
||||
};
|
||||
|
||||
static int mpam_dev_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
int ret = 0;
|
||||
|
||||
sdev = get_qcom_scmi_device();
|
||||
if (IS_ERR(sdev)) {
|
||||
ret = PTR_ERR(sdev);
|
||||
if (ret != -EPROBE_DEFER)
|
||||
dev_err(dev, "Error getting scmi_dev ret=%d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
ops = sdev->handle->devm_protocol_get(sdev, QCOM_SCMI_VENDOR_PROTOCOL, &ph);
|
||||
if (IS_ERR(ops)) {
|
||||
ret = PTR_ERR(ops);
|
||||
dev_err(dev, "Error getting vendor protocol ops: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = kobject_init_and_add(&mpam_kobj, &mpam_settings_ktype,
|
||||
&cpu_subsys.dev_root->kobj, "mpam");
|
||||
if (ret < 0) {
|
||||
dev_err(dev, "failed to init mpam kobj: %d\n", ret);
|
||||
kobject_put(&mpam_kobj);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct of_device_id qcom_mpam_table[] = {
|
||||
{ .compatible = "qcom,mpam" },
|
||||
{},
|
||||
};
|
||||
|
||||
static struct platform_driver qcom_mpam_driver = {
|
||||
.driver = {
|
||||
.name = "qcom-mpam",
|
||||
.of_match_table = qcom_mpam_table,
|
||||
},
|
||||
.probe = mpam_dev_probe,
|
||||
};
|
||||
|
||||
module_platform_driver(qcom_mpam_driver);
|
||||
MODULE_SOFTDEP("pre: qcom_scmi_client");
|
||||
MODULE_DESCRIPTION("QCOM MPAM driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
@ -1,6 +1,8 @@
|
|||
qcom_wdt_core.ko
|
||||
gh_virt_wdt.ko
|
||||
qcom_cpu_vendor_hooks.ko
|
||||
qcom_scmi_vendor.ko
|
||||
qcom_scmi_client.ko
|
||||
cmd-db.ko
|
||||
qcom_rpmh.ko
|
||||
qcom-pdc.ko
|
||||
|
|
|
|||
|
|
@ -31,8 +31,7 @@ def define_pineapple():
|
|||
"drivers/dma/qcom/bam_dma.ko",
|
||||
"drivers/dma/qcom/msm_gpi.ko",
|
||||
"drivers/edac/qcom_edac.ko",
|
||||
"drivers/firmware/arm_scmi/c1dcvs_vendor.ko",
|
||||
"drivers/firmware/arm_scmi/pmu_vendor.ko",
|
||||
"drivers/firmware/arm_scmi/qcom_scmi_vendor.ko",
|
||||
"drivers/firmware/qcom-scm.ko",
|
||||
"drivers/gpu/drm/display/drm_display_helper.ko",
|
||||
"drivers/gpu/drm/display/drm_dp_aux_bus.ko",
|
||||
|
|
@ -128,6 +127,7 @@ def define_pineapple():
|
|||
"drivers/soc/qcom/adsp_sleepmon.ko",
|
||||
"drivers/soc/qcom/altmode-glink.ko",
|
||||
"drivers/soc/qcom/boot_stats.ko",
|
||||
"drivers/soc/qcom/dcvs/c1dcvs_scmi_v2.ko",
|
||||
"drivers/soc/qcom/cdsprm.ko",
|
||||
"drivers/soc/qcom/charger-ulog-glink.ko",
|
||||
"drivers/soc/qcom/cmd-db.ko",
|
||||
|
|
@ -137,12 +137,12 @@ def define_pineapple():
|
|||
"drivers/soc/qcom/crypto-qti.ko",
|
||||
"drivers/soc/qcom/dcc_v2.ko",
|
||||
"drivers/soc/qcom/dcvs/bwmon.ko",
|
||||
"drivers/soc/qcom/dcvs/c1dcvs_scmi.ko",
|
||||
"drivers/soc/qcom/dcvs/dcvs_fp.ko",
|
||||
"drivers/soc/qcom/dcvs/memlat.ko",
|
||||
"drivers/soc/qcom/dcvs/pmu_scmi.ko",
|
||||
"drivers/soc/qcom/dcvs/mpam.ko",
|
||||
"drivers/soc/qcom/dcvs/qcom-dcvs.ko",
|
||||
"drivers/soc/qcom/dcvs/qcom-pmu-lib.ko",
|
||||
"drivers/soc/qcom/dcvs/qcom_scmi_client.ko",
|
||||
"drivers/soc/qcom/debug_symbol.ko",
|
||||
"drivers/soc/qcom/dmesg_dumper.ko",
|
||||
"drivers/soc/qcom/eud.ko",
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue