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From: Yassine Oudjana <y.oudjana@protonmail.com>
To: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org
Cc: Yassine Oudjana <y.oudjana@protonmail.com>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Georgi Djakov <djakov@kernel.org>,
	AngeloGioacchino Del Regno <kholk11@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/5] interconnect: qcom: sdm660: Commonize RPM-QoS
Date: Fri, 30 Jul 2021 12:06:39 +0000	[thread overview]
Message-ID: <tBji8z2BZb2uc4O2OP7PyUJqbxLiWwoKnR7Ybshs@cp3-web-050.plabs.ch> (raw)

SoCs such as MSM8996 also control bus QoS in a similar fashion to SDM660,
with some paths being controlled by RPM and others directly by the AP.
Move relevant functions and defines to a new object so that they can be used
in multiple drivers.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
---
 drivers/interconnect/qcom/Kconfig       |   5 +-
 drivers/interconnect/qcom/Makefile      |   2 +
 drivers/interconnect/qcom/icc-rpm-qos.c | 237 ++++++++++++++++
 drivers/interconnect/qcom/icc-rpm-qos.h | 133 +++++++++
 drivers/interconnect/qcom/icc-rpmh.c    |   6 +-
 drivers/interconnect/qcom/icc-rpmh.h    |   2 +-
 drivers/interconnect/qcom/sc7180.c      |   2 +-
 drivers/interconnect/qcom/sc7280.c      |   2 +-
 drivers/interconnect/qcom/sdm660.c      | 346 +-----------------------
 drivers/interconnect/qcom/sdm845.c      |   2 +-
 drivers/interconnect/qcom/sdx55.c       |   2 +-
 drivers/interconnect/qcom/sm8150.c      |   2 +-
 drivers/interconnect/qcom/sm8250.c      |   2 +-
 drivers/interconnect/qcom/sm8350.c      |   2 +-
 14 files changed, 391 insertions(+), 354 deletions(-)
 create mode 100644 drivers/interconnect/qcom/icc-rpm-qos.c
 create mode 100644 drivers/interconnect/qcom/icc-rpm-qos.h

diff --git a/drivers/interconnect/qcom/Kconfig b/drivers/interconnect/qcom/Kconfig
index 0d7a2500d0b8..ad16224f1720 100644
--- a/drivers/interconnect/qcom/Kconfig
+++ b/drivers/interconnect/qcom/Kconfig
@@ -87,7 +87,7 @@ config INTERCONNECT_QCOM_SDM660
 	tristate "Qualcomm SDM660 interconnect driver"
 	depends on INTERCONNECT_QCOM
 	depends on QCOM_SMD_RPM
-	select INTERCONNECT_QCOM_SMD_RPM
+	select INTERCONNECT_QCOM_SMD_RPM_QOS
 	help
 	  This is a driver for the Qualcomm Network-on-Chip on sdm660-based
 	  platforms.
@@ -139,3 +139,6 @@ config INTERCONNECT_QCOM_SM8350
 
 config INTERCONNECT_QCOM_SMD_RPM
 	tristate
+
+config INTERCONNECT_QCOM_SMD_RPM_QOS	
+	tristate
diff --git a/drivers/interconnect/qcom/Makefile b/drivers/interconnect/qcom/Makefile
index 2880129a6fe4..2d04d024f46e 100644
--- a/drivers/interconnect/qcom/Makefile
+++ b/drivers/interconnect/qcom/Makefile
@@ -16,6 +16,7 @@ qnoc-sm8150-objs			:= sm8150.o
 qnoc-sm8250-objs			:= sm8250.o
 qnoc-sm8350-objs			:= sm8350.o
 icc-smd-rpm-objs			:= smd-rpm.o icc-rpm.o
+icc-smd-rpm-qos-objs			:= smd-rpm.o icc-rpm-qos.o
 
 obj-$(CONFIG_INTERCONNECT_QCOM_BCM_VOTER) += icc-bcm-voter.o
 obj-$(CONFIG_INTERCONNECT_QCOM_MSM8916) += qnoc-msm8916.o
@@ -33,3 +34,4 @@ obj-$(CONFIG_INTERCONNECT_QCOM_SM8150) += qnoc-sm8150.o
 obj-$(CONFIG_INTERCONNECT_QCOM_SM8250) += qnoc-sm8250.o
 obj-$(CONFIG_INTERCONNECT_QCOM_SM8350) += qnoc-sm8350.o
 obj-$(CONFIG_INTERCONNECT_QCOM_SMD_RPM) += icc-smd-rpm.o
+obj-$(CONFIG_INTERCONNECT_QCOM_SMD_RPM_QOS) += icc-smd-rpm-qos.o
diff --git a/drivers/interconnect/qcom/icc-rpm-qos.c b/drivers/interconnect/qcom/icc-rpm-qos.c
new file mode 100644
index 000000000000..678b347375d8
--- /dev/null
+++ b/drivers/interconnect/qcom/icc-rpm-qos.c
@@ -0,0 +1,237 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020, AngeloGioacchino Del Regno <kholk11@gmail.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/interconnect-provider.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include "smd-rpm.h"
+#include "icc-rpm-qos.h"
+
+static int qcom_icc_bimc_set_qos_health(struct regmap *rmap,
+					struct qcom_icc_qos *qos,
+					int regnum)
+{
+	u32 val;
+	u32 mask;
+
+	val = qos->prio_level;
+	mask = M_BKE_HEALTH_CFG_PRIOLVL_MASK;
+
+	val |= qos->areq_prio << M_BKE_HEALTH_CFG_AREQPRIO_SHIFT;
+	mask |= M_BKE_HEALTH_CFG_AREQPRIO_MASK;
+
+	/* LIMITCMDS is not present on M_BKE_HEALTH_3 */
+	if (regnum != 3) {
+		val |= qos->limit_commands << M_BKE_HEALTH_CFG_LIMITCMDS_SHIFT;
+		mask |= M_BKE_HEALTH_CFG_LIMITCMDS_MASK;
+	}
+
+	return regmap_update_bits(rmap,
+				  M_BKE_HEALTH_CFG_ADDR(regnum, qos->qos_port),
+				  mask, val);
+}
+
+static int qcom_icc_set_bimc_qos(struct icc_node *src, u64 max_bw,
+				 bool bypass_mode)
+{
+	struct qcom_icc_provider *qp;
+	struct qcom_icc_node *qn;
+	struct icc_provider *provider;
+	u32 mode = NOC_QOS_MODE_BYPASS;
+	u32 val = 0;
+	int i, rc = 0;
+
+	qn = src->data;
+	provider = src->provider;
+	qp = to_qcom_provider(provider);
+
+	if (qn->qos.qos_mode != -1)
+		mode = qn->qos.qos_mode;
+
+	/* QoS Priority: The QoS Health parameters are getting considered
+	 * only if we are NOT in Bypass Mode.
+	 */
+	if (mode != NOC_QOS_MODE_BYPASS) {
+		for (i = 3; i >= 0; i--) {
+			rc = qcom_icc_bimc_set_qos_health(qp->regmap,
+							  &qn->qos, i);
+			if (rc)
+				return rc;
+		}
+
+		/* Set BKE_EN to 1 when Fixed, Regulator or Limiter Mode */
+		val = 1;
+	}
+
+	return regmap_update_bits(qp->regmap, M_BKE_EN_ADDR(qn->qos.qos_port),
+				  M_BKE_EN_EN_BMASK, val);
+}
+
+static int qcom_icc_noc_set_qos_priority(struct regmap *rmap,
+					 struct qcom_icc_qos *qos)
+{
+	u32 val;
+	int rc;
+
+	/* Must be updated one at a time, P1 first, P0 last */
+	val = qos->areq_prio << NOC_QOS_PRIORITY_P1_SHIFT;
+	rc = regmap_update_bits(rmap, NOC_QOS_PRIORITYn_ADDR(qos->qos_port),
+				NOC_QOS_PRIORITY_MASK, val);
+	if (rc)
+		return rc;
+
+	val = qos->prio_level << NOC_QOS_PRIORITY_P0_SHIFT;
+	return regmap_update_bits(rmap, NOC_QOS_PRIORITYn_ADDR(qos->qos_port),
+				  NOC_QOS_PRIORITY_MASK, val);
+}
+
+static int qcom_icc_set_noc_qos(struct icc_node *src, u64 max_bw)
+{
+	struct qcom_icc_provider *qp;
+	struct qcom_icc_node *qn;
+	struct icc_provider *provider;
+	u32 mode = NOC_QOS_MODE_BYPASS;
+	int rc = 0;
+
+	qn = src->data;
+	provider = src->provider;
+	qp = to_qcom_provider(provider);
+
+	if (qn->qos.qos_port < 0) {
+		dev_dbg(src->provider->dev,
+			"NoC QoS: Skipping %s: vote aggregated on parent.\n",
+			qn->name);
+		return 0;
+	}
+
+	if (qn->qos.qos_mode != -1)
+		mode = qn->qos.qos_mode;
+
+	if (mode == NOC_QOS_MODE_FIXED) {
+		dev_dbg(src->provider->dev, "NoC QoS: %s: Set Fixed mode\n",
+			qn->name);
+		rc = qcom_icc_noc_set_qos_priority(qp->regmap, &qn->qos);
+		if (rc)
+			return rc;
+	} else if (mode == NOC_QOS_MODE_BYPASS) {
+		dev_dbg(src->provider->dev, "NoC QoS: %s: Set Bypass mode\n",
+			qn->name);
+	}
+
+	return regmap_update_bits(qp->regmap,
+				  NOC_QOS_MODEn_ADDR(qn->qos.qos_port),
+				  NOC_QOS_MODEn_MASK, mode);
+}
+
+static int qcom_icc_qos_set(struct icc_node *node, u64 sum_bw)
+{
+	struct qcom_icc_provider *qp = to_qcom_provider(node->provider);
+	struct qcom_icc_node *qn = node->data;
+
+	dev_dbg(node->provider->dev, "Setting QoS for %s\n", qn->name);
+
+	if (qp->is_bimc_node)
+		return qcom_icc_set_bimc_qos(node, sum_bw,
+				(qn->qos.qos_mode == NOC_QOS_MODE_BYPASS));
+
+	return qcom_icc_set_noc_qos(node, sum_bw);
+}
+
+static int qcom_icc_rpm_set(int mas_rpm_id, int slv_rpm_id, u64 sum_bw)
+{
+	int ret = 0;
+
+	if (mas_rpm_id != -1) {
+		ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
+					    RPM_BUS_MASTER_REQ,
+					    mas_rpm_id,
+					    sum_bw);
+		if (ret) {
+			pr_err("qcom_icc_rpm_smd_send mas %d error %d\n",
+			       mas_rpm_id, ret);
+			return ret;
+		}
+	}
+
+	if (slv_rpm_id != -1) {
+		ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
+					    RPM_BUS_SLAVE_REQ,
+					    slv_rpm_id,
+					    sum_bw);
+		if (ret) {
+			pr_err("qcom_icc_rpm_smd_send slv %d error %d\n",
+			       slv_rpm_id, ret);
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+int qcom_icc_rpm_qos_set(struct icc_node *src, struct icc_node *dst)
+{
+	struct qcom_icc_provider *qp;
+	struct qcom_icc_node *qn;
+	struct icc_provider *provider;
+	struct icc_node *n;
+	u64 sum_bw;
+	u64 max_peak_bw;
+	u64 rate;
+	u32 agg_avg = 0;
+	u32 agg_peak = 0;
+	int ret, i;
+
+	qn = src->data;
+	provider = src->provider;
+	qp = to_qcom_provider(provider);
+
+	list_for_each_entry(n, &provider->nodes, node_list)
+		provider->aggregate(n, 0, n->avg_bw, n->peak_bw,
+				    &agg_avg, &agg_peak);
+
+	sum_bw = icc_units_to_bps(agg_avg);
+	max_peak_bw = icc_units_to_bps(agg_peak);
+
+	if (!qn->qos.ap_owned) {
+		/* send bandwidth request message to the RPM processor */
+		ret = qcom_icc_rpm_set(qn->mas_rpm_id, qn->slv_rpm_id, sum_bw);
+		if (ret)
+			return ret;
+	} else if (qn->qos.qos_mode != -1) {
+		/* set bandwidth directly from the AP */
+		ret = qcom_icc_qos_set(src, sum_bw);
+		if (ret)
+			return ret;
+	}
+
+	rate = max(sum_bw, max_peak_bw);
+
+	do_div(rate, qn->buswidth);
+
+	if (qn->rate == rate)
+		return 0;
+
+	for (i = 0; i < qp->num_clks; i++) {
+		ret = clk_set_rate(qp->bus_clks[i].clk, rate);
+		if (ret) {
+			pr_err("%s clk_set_rate error: %d\n",
+			       qp->bus_clks[i].id, ret);
+			return ret;
+		}
+	}
+
+	qn->rate = rate;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(qcom_icc_rpm_qos_set);
diff --git a/drivers/interconnect/qcom/icc-rpm-qos.h b/drivers/interconnect/qcom/icc-rpm-qos.h
new file mode 100644
index 000000000000..625ac5f84ebc
--- /dev/null
+++ b/drivers/interconnect/qcom/icc-rpm-qos.h
@@ -0,0 +1,133 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020, AngeloGioacchino Del Regno <kholk11@gmail.com>
+ */
+
+#ifndef __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_QOS_H__
+#define __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_QOS_H__
+
+#define RPM_BUS_MASTER_REQ	0x73616d62
+#define RPM_BUS_SLAVE_REQ	0x766c7362
+
+/* BIMC QoS */
+#define M_BKE_REG_BASE(n)		(0x300 + (0x4000 * n))
+#define M_BKE_EN_ADDR(n)		(M_BKE_REG_BASE(n))
+#define M_BKE_HEALTH_CFG_ADDR(i, n)	(M_BKE_REG_BASE(n) + 0x40 + (0x4 * i))
+
+#define M_BKE_HEALTH_CFG_LIMITCMDS_MASK	0x80000000
+#define M_BKE_HEALTH_CFG_AREQPRIO_MASK	0x300
+#define M_BKE_HEALTH_CFG_PRIOLVL_MASK	0x3
+#define M_BKE_HEALTH_CFG_AREQPRIO_SHIFT	0x8
+#define M_BKE_HEALTH_CFG_LIMITCMDS_SHIFT 0x1f
+
+#define M_BKE_EN_EN_BMASK		0x1
+
+/* Valid for both NoC and BIMC */
+#define NOC_QOS_MODE_FIXED		0x0
+#define NOC_QOS_MODE_LIMITER		0x1
+#define NOC_QOS_MODE_BYPASS		0x2
+
+/* NoC QoS */
+#define NOC_PERM_MODE_FIXED		1
+#define NOC_PERM_MODE_BYPASS		(1 << NOC_QOS_MODE_BYPASS)
+
+#define NOC_QOS_PRIORITYn_ADDR(n)	(0x8 + (n * 0x1000))
+#define NOC_QOS_PRIORITY_MASK		0xf
+#define NOC_QOS_PRIORITY_P1_SHIFT	0x2
+#define NOC_QOS_PRIORITY_P0_SHIFT	0x3
+
+#define NOC_QOS_MODEn_ADDR(n)		(0xc + (n * 0x1000))
+#define NOC_QOS_MODEn_MASK		0x3
+
+#define to_qcom_provider(_provider) \
+	container_of(_provider, struct qcom_icc_provider, provider)
+
+/**
+ * struct qcom_icc_provider - Qualcomm specific interconnect provider
+ * @provider: generic interconnect provider
+ * @bus_clks: the clk_bulk_data table of bus clocks
+ * @num_clks: the total number of clk_bulk_data entries
+ * @is_bimc_node: indicates whether to use bimc specific setting
+ * @regmap: regmap for QoS registers read/write access
+ * @mmio: NoC base iospace
+ */
+struct qcom_icc_provider {
+	struct icc_provider provider;
+	struct clk_bulk_data *bus_clks;
+	int num_clks;
+	bool is_bimc_node;
+	struct regmap *regmap;
+	void __iomem *mmio;
+};
+
+/**
+ * struct qcom_icc_qos - Qualcomm specific interconnect QoS parameters
+ * @areq_prio: node requests priority
+ * @prio_level: priority level for bus communication
+ * @limit_commands: activate/deactivate limiter mode during runtime
+ * @ap_owned: indicates if the node is owned by the AP or by the RPM
+ * @qos_mode: default qos mode for this node
+ * @qos_port: qos port number for finding qos registers of this node
+ */
+struct qcom_icc_qos {
+	u32 areq_prio;
+	u32 prio_level;
+	bool limit_commands;
+	bool ap_owned;
+	int qos_mode;
+	int qos_port;
+};
+
+/**
+ * struct qcom_icc_node - Qualcomm specific interconnect nodes
+ * @name: the node name used in debugfs
+ * @id: a unique node identifier
+ * @links: an array of nodes where we can go next while traversing
+ * @num_links: the total number of @links
+ * @buswidth: width of the interconnect between a node and the bus (bytes)
+ * @mas_rpm_id: RPM id for devices that are bus masters
+ * @slv_rpm_id: RPM id for devices that are bus slaves
+ * @qos: NoC QoS setting parameters
+ * @rate: current bus clock rate in Hz
+ */
+
+#define MAX_LINKS	38
+
+struct qcom_icc_node {
+	unsigned char *name;
+	u16 id;
+	u16 links[MAX_LINKS];
+	u16 num_links;
+	u16 buswidth;
+	int mas_rpm_id;
+	int slv_rpm_id;
+	struct qcom_icc_qos qos;
+	u64 rate;
+};
+
+struct qcom_icc_desc {
+	struct qcom_icc_node **nodes;
+	size_t num_nodes;
+	const struct regmap_config *regmap_cfg;
+};
+
+#define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, _slv_rpm_id,	\
+		     _ap_owned, _qos_mode, _qos_prio, _qos_port, ...)	\
+		static struct qcom_icc_node _name = {			\
+		.name = #_name,						\
+		.id = _id,						\
+		.buswidth = _buswidth,					\
+		.mas_rpm_id = _mas_rpm_id,				\
+		.slv_rpm_id = _slv_rpm_id,				\
+		.qos.ap_owned = _ap_owned,				\
+		.qos.qos_mode = _qos_mode,				\
+		.qos.areq_prio = _qos_prio,				\
+		.qos.prio_level = _qos_prio,				\
+		.qos.qos_port = _qos_port,				\
+		.num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })),	\
+		.links = { __VA_ARGS__ },				\
+	}
+
+int qcom_icc_rpm_qos_set(struct icc_node *src, struct icc_node *dst);
+
+#endif
diff --git a/drivers/interconnect/qcom/icc-rpmh.c b/drivers/interconnect/qcom/icc-rpmh.c
index bf01d09dba6c..6f93273109a3 100644
--- a/drivers/interconnect/qcom/icc-rpmh.c
+++ b/drivers/interconnect/qcom/icc-rpmh.c
@@ -70,13 +70,13 @@ int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw,
 EXPORT_SYMBOL_GPL(qcom_icc_aggregate);
 
 /**
- * qcom_icc_set - set the constraints based on path
+ * qcom_icc_rpmh_set - set the constraints based on path
  * @src: source node for the path to set constraints on
  * @dst: destination node for the path to set constraints on
  *
  * Return: 0 on success, or an error code otherwise
  */
-int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
+int qcom_icc_rpmh_set(struct icc_node *src, struct icc_node *dst)
 {
 	struct qcom_icc_provider *qp;
 	struct qcom_icc_node *qn;
@@ -99,7 +99,7 @@ int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(qcom_icc_set);
+EXPORT_SYMBOL_GPL(qcom_icc_rpmh_set);
 
 struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data)
 {
diff --git a/drivers/interconnect/qcom/icc-rpmh.h b/drivers/interconnect/qcom/icc-rpmh.h
index e5f61ab989e7..5dc1049dc065 100644
--- a/drivers/interconnect/qcom/icc-rpmh.h
+++ b/drivers/interconnect/qcom/icc-rpmh.h
@@ -130,7 +130,7 @@ struct qcom_icc_desc {
 
 int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw,
 		       u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
-int qcom_icc_set(struct icc_node *src, struct icc_node *dst);
+int qcom_icc_rpmh_set(struct icc_node *src, struct icc_node *dst);
 struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data);
 int qcom_icc_bcm_init(struct qcom_icc_bcm *bcm, struct device *dev);
 void qcom_icc_pre_aggregate(struct icc_node *node);
diff --git a/drivers/interconnect/qcom/sc7180.c b/drivers/interconnect/qcom/sc7180.c
index 8d9044ed18ab..40232b41c080 100644
--- a/drivers/interconnect/qcom/sc7180.c
+++ b/drivers/interconnect/qcom/sc7180.c
@@ -532,7 +532,7 @@ static int qnoc_probe(struct platform_device *pdev)
 
 	provider = &qp->provider;
 	provider->dev = &pdev->dev;
-	provider->set = qcom_icc_set;
+	provider->set = qcom_icc_rpmh_set;
 	provider->pre_aggregate = qcom_icc_pre_aggregate;
 	provider->aggregate = qcom_icc_aggregate;
 	provider->xlate_extended = qcom_icc_xlate_extended;
diff --git a/drivers/interconnect/qcom/sc7280.c b/drivers/interconnect/qcom/sc7280.c
index 8d1b55c3705c..b84742debc13 100644
--- a/drivers/interconnect/qcom/sc7280.c
+++ b/drivers/interconnect/qcom/sc7280.c
@@ -1830,7 +1830,7 @@ static int qnoc_probe(struct platform_device *pdev)
 
 	provider = &qp->provider;
 	provider->dev = &pdev->dev;
-	provider->set = qcom_icc_set;
+	provider->set = qcom_icc_rpmh_set;
 	provider->pre_aggregate = qcom_icc_pre_aggregate;
 	provider->aggregate = qcom_icc_aggregate;
 	provider->xlate_extended = qcom_icc_xlate_extended;
diff --git a/drivers/interconnect/qcom/sdm660.c b/drivers/interconnect/qcom/sdm660.c
index 632dbdd21915..acd026ecd17f 100644
--- a/drivers/interconnect/qcom/sdm660.c
+++ b/drivers/interconnect/qcom/sdm660.c
@@ -4,7 +4,6 @@
  * Copyright (C) 2020, AngeloGioacchino Del Regno <kholk11@gmail.com>
  */
 
-#include <dt-bindings/interconnect/qcom,sdm660.h>
 #include <linux/clk.h>
 #include <linux/device.h>
 #include <linux/interconnect-provider.h>
@@ -14,42 +13,11 @@
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
-#include <linux/slab.h>
-
-#include "smd-rpm.h"
-
-#define RPM_BUS_MASTER_REQ	0x73616d62
-#define RPM_BUS_SLAVE_REQ	0x766c7362
-
-/* BIMC QoS */
-#define M_BKE_REG_BASE(n)		(0x300 + (0x4000 * n))
-#define M_BKE_EN_ADDR(n)		(M_BKE_REG_BASE(n))
-#define M_BKE_HEALTH_CFG_ADDR(i, n)	(M_BKE_REG_BASE(n) + 0x40 + (0x4 * i))
-
-#define M_BKE_HEALTH_CFG_LIMITCMDS_MASK	0x80000000
-#define M_BKE_HEALTH_CFG_AREQPRIO_MASK	0x300
-#define M_BKE_HEALTH_CFG_PRIOLVL_MASK	0x3
-#define M_BKE_HEALTH_CFG_AREQPRIO_SHIFT	0x8
-#define M_BKE_HEALTH_CFG_LIMITCMDS_SHIFT 0x1f
 
-#define M_BKE_EN_EN_BMASK		0x1
-
-/* Valid for both NoC and BIMC */
-#define NOC_QOS_MODE_FIXED		0x0
-#define NOC_QOS_MODE_LIMITER		0x1
-#define NOC_QOS_MODE_BYPASS		0x2
-
-/* NoC QoS */
-#define NOC_PERM_MODE_FIXED		1
-#define NOC_PERM_MODE_BYPASS		(1 << NOC_QOS_MODE_BYPASS)
-
-#define NOC_QOS_PRIORITYn_ADDR(n)	(0x8 + (n * 0x1000))
-#define NOC_QOS_PRIORITY_MASK		0xf
-#define NOC_QOS_PRIORITY_P1_SHIFT	0x2
-#define NOC_QOS_PRIORITY_P0_SHIFT	0x3
+#include <dt-bindings/interconnect/qcom,sdm660.h>
 
-#define NOC_QOS_MODEn_ADDR(n)		(0xc + (n * 0x1000))
-#define NOC_QOS_MODEn_MASK		0x3
+#include "icc-rpm-qos.h"
+#include "smd-rpm.h"
 
 enum {
 	SDM660_MASTER_IPA = 1,
@@ -159,9 +127,6 @@ enum {
 	SDM660_SNOC,
 };
 
-#define to_qcom_provider(_provider) \
-	container_of(_provider, struct qcom_icc_provider, provider)
-
 static const struct clk_bulk_data bus_clocks[] = {
 	{ .id = "bus" },
 	{ .id = "bus_a" },
@@ -173,91 +138,6 @@ static const struct clk_bulk_data bus_mm_clocks[] = {
 	{ .id = "iface" },
 };
 
-/**
- * struct qcom_icc_provider - Qualcomm specific interconnect provider
- * @provider: generic interconnect provider
- * @bus_clks: the clk_bulk_data table of bus clocks
- * @num_clks: the total number of clk_bulk_data entries
- * @is_bimc_node: indicates whether to use bimc specific setting
- * @regmap: regmap for QoS registers read/write access
- * @mmio: NoC base iospace
- */
-struct qcom_icc_provider {
-	struct icc_provider provider;
-	struct clk_bulk_data *bus_clks;
-	int num_clks;
-	bool is_bimc_node;
-	struct regmap *regmap;
-	void __iomem *mmio;
-};
-
-#define SDM660_MAX_LINKS	34
-
-/**
- * struct qcom_icc_qos - Qualcomm specific interconnect QoS parameters
- * @areq_prio: node requests priority
- * @prio_level: priority level for bus communication
- * @limit_commands: activate/deactivate limiter mode during runtime
- * @ap_owned: indicates if the node is owned by the AP or by the RPM
- * @qos_mode: default qos mode for this node
- * @qos_port: qos port number for finding qos registers of this node
- */
-struct qcom_icc_qos {
-	u32 areq_prio;
-	u32 prio_level;
-	bool limit_commands;
-	bool ap_owned;
-	int qos_mode;
-	int qos_port;
-};
-
-/**
- * struct qcom_icc_node - Qualcomm specific interconnect nodes
- * @name: the node name used in debugfs
- * @id: a unique node identifier
- * @links: an array of nodes where we can go next while traversing
- * @num_links: the total number of @links
- * @buswidth: width of the interconnect between a node and the bus (bytes)
- * @mas_rpm_id: RPM id for devices that are bus masters
- * @slv_rpm_id: RPM id for devices that are bus slaves
- * @qos: NoC QoS setting parameters
- * @rate: current bus clock rate in Hz
- */
-struct qcom_icc_node {
-	unsigned char *name;
-	u16 id;
-	u16 links[SDM660_MAX_LINKS];
-	u16 num_links;
-	u16 buswidth;
-	int mas_rpm_id;
-	int slv_rpm_id;
-	struct qcom_icc_qos qos;
-	u64 rate;
-};
-
-struct qcom_icc_desc {
-	struct qcom_icc_node **nodes;
-	size_t num_nodes;
-	const struct regmap_config *regmap_cfg;
-};
-
-#define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, _slv_rpm_id,	\
-		     _ap_owned, _qos_mode, _qos_prio, _qos_port, ...)	\
-		static struct qcom_icc_node _name = {			\
-		.name = #_name,						\
-		.id = _id,						\
-		.buswidth = _buswidth,					\
-		.mas_rpm_id = _mas_rpm_id,				\
-		.slv_rpm_id = _slv_rpm_id,				\
-		.qos.ap_owned = _ap_owned,				\
-		.qos.qos_mode = _qos_mode,				\
-		.qos.areq_prio = _qos_prio,				\
-		.qos.prio_level = _qos_prio,				\
-		.qos.qos_port = _qos_port,				\
-		.num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })),	\
-		.links = { __VA_ARGS__ },				\
-	}
-
 DEFINE_QNODE(mas_ipa, SDM660_MASTER_IPA, 8, 59, -1, true, NOC_QOS_MODE_FIXED, 1, 3, SDM660_SLAVE_A2NOC_SNOC);
 DEFINE_QNODE(mas_cnoc_a2noc, SDM660_MASTER_CNOC_A2NOC, 8, 146, -1, true, -1, 0, -1, SDM660_SLAVE_A2NOC_SNOC);
 DEFINE_QNODE(mas_sdcc_1, SDM660_MASTER_SDCC_1, 8, 33, -1, false, -1, 0, -1, SDM660_SLAVE_A2NOC_SNOC);
@@ -555,224 +435,6 @@ static struct qcom_icc_desc sdm660_snoc = {
 	.regmap_cfg = &sdm660_snoc_regmap_config,
 };
 
-static int qcom_icc_bimc_set_qos_health(struct regmap *rmap,
-					struct qcom_icc_qos *qos,
-					int regnum)
-{
-	u32 val;
-	u32 mask;
-
-	val = qos->prio_level;
-	mask = M_BKE_HEALTH_CFG_PRIOLVL_MASK;
-
-	val |= qos->areq_prio << M_BKE_HEALTH_CFG_AREQPRIO_SHIFT;
-	mask |= M_BKE_HEALTH_CFG_AREQPRIO_MASK;
-
-	/* LIMITCMDS is not present on M_BKE_HEALTH_3 */
-	if (regnum != 3) {
-		val |= qos->limit_commands << M_BKE_HEALTH_CFG_LIMITCMDS_SHIFT;
-		mask |= M_BKE_HEALTH_CFG_LIMITCMDS_MASK;
-	}
-
-	return regmap_update_bits(rmap,
-				  M_BKE_HEALTH_CFG_ADDR(regnum, qos->qos_port),
-				  mask, val);
-}
-
-static int qcom_icc_set_bimc_qos(struct icc_node *src, u64 max_bw,
-				 bool bypass_mode)
-{
-	struct qcom_icc_provider *qp;
-	struct qcom_icc_node *qn;
-	struct icc_provider *provider;
-	u32 mode = NOC_QOS_MODE_BYPASS;
-	u32 val = 0;
-	int i, rc = 0;
-
-	qn = src->data;
-	provider = src->provider;
-	qp = to_qcom_provider(provider);
-
-	if (qn->qos.qos_mode != -1)
-		mode = qn->qos.qos_mode;
-
-	/* QoS Priority: The QoS Health parameters are getting considered
-	 * only if we are NOT in Bypass Mode.
-	 */
-	if (mode != NOC_QOS_MODE_BYPASS) {
-		for (i = 3; i >= 0; i--) {
-			rc = qcom_icc_bimc_set_qos_health(qp->regmap,
-							  &qn->qos, i);
-			if (rc)
-				return rc;
-		}
-
-		/* Set BKE_EN to 1 when Fixed, Regulator or Limiter Mode */
-		val = 1;
-	}
-
-	return regmap_update_bits(qp->regmap, M_BKE_EN_ADDR(qn->qos.qos_port),
-				  M_BKE_EN_EN_BMASK, val);
-}
-
-static int qcom_icc_noc_set_qos_priority(struct regmap *rmap,
-					 struct qcom_icc_qos *qos)
-{
-	u32 val;
-	int rc;
-
-	/* Must be updated one at a time, P1 first, P0 last */
-	val = qos->areq_prio << NOC_QOS_PRIORITY_P1_SHIFT;
-	rc = regmap_update_bits(rmap, NOC_QOS_PRIORITYn_ADDR(qos->qos_port),
-				NOC_QOS_PRIORITY_MASK, val);
-	if (rc)
-		return rc;
-
-	val = qos->prio_level << NOC_QOS_PRIORITY_P0_SHIFT;
-	return regmap_update_bits(rmap, NOC_QOS_PRIORITYn_ADDR(qos->qos_port),
-				  NOC_QOS_PRIORITY_MASK, val);
-}
-
-static int qcom_icc_set_noc_qos(struct icc_node *src, u64 max_bw)
-{
-	struct qcom_icc_provider *qp;
-	struct qcom_icc_node *qn;
-	struct icc_provider *provider;
-	u32 mode = NOC_QOS_MODE_BYPASS;
-	int rc = 0;
-
-	qn = src->data;
-	provider = src->provider;
-	qp = to_qcom_provider(provider);
-
-	if (qn->qos.qos_port < 0) {
-		dev_dbg(src->provider->dev,
-			"NoC QoS: Skipping %s: vote aggregated on parent.\n",
-			qn->name);
-		return 0;
-	}
-
-	if (qn->qos.qos_mode != -1)
-		mode = qn->qos.qos_mode;
-
-	if (mode == NOC_QOS_MODE_FIXED) {
-		dev_dbg(src->provider->dev, "NoC QoS: %s: Set Fixed mode\n",
-			qn->name);
-		rc = qcom_icc_noc_set_qos_priority(qp->regmap, &qn->qos);
-		if (rc)
-			return rc;
-	} else if (mode == NOC_QOS_MODE_BYPASS) {
-		dev_dbg(src->provider->dev, "NoC QoS: %s: Set Bypass mode\n",
-			qn->name);
-	}
-
-	return regmap_update_bits(qp->regmap,
-				  NOC_QOS_MODEn_ADDR(qn->qos.qos_port),
-				  NOC_QOS_MODEn_MASK, mode);
-}
-
-static int qcom_icc_qos_set(struct icc_node *node, u64 sum_bw)
-{
-	struct qcom_icc_provider *qp = to_qcom_provider(node->provider);
-	struct qcom_icc_node *qn = node->data;
-
-	dev_dbg(node->provider->dev, "Setting QoS for %s\n", qn->name);
-
-	if (qp->is_bimc_node)
-		return qcom_icc_set_bimc_qos(node, sum_bw,
-				(qn->qos.qos_mode == NOC_QOS_MODE_BYPASS));
-
-	return qcom_icc_set_noc_qos(node, sum_bw);
-}
-
-static int qcom_icc_rpm_set(int mas_rpm_id, int slv_rpm_id, u64 sum_bw)
-{
-	int ret = 0;
-
-	if (mas_rpm_id != -1) {
-		ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
-					    RPM_BUS_MASTER_REQ,
-					    mas_rpm_id,
-					    sum_bw);
-		if (ret) {
-			pr_err("qcom_icc_rpm_smd_send mas %d error %d\n",
-			       mas_rpm_id, ret);
-			return ret;
-		}
-	}
-
-	if (slv_rpm_id != -1) {
-		ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
-					    RPM_BUS_SLAVE_REQ,
-					    slv_rpm_id,
-					    sum_bw);
-		if (ret) {
-			pr_err("qcom_icc_rpm_smd_send slv %d error %d\n",
-			       slv_rpm_id, ret);
-			return ret;
-		}
-	}
-
-	return ret;
-}
-
-static int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
-{
-	struct qcom_icc_provider *qp;
-	struct qcom_icc_node *qn;
-	struct icc_provider *provider;
-	struct icc_node *n;
-	u64 sum_bw;
-	u64 max_peak_bw;
-	u64 rate;
-	u32 agg_avg = 0;
-	u32 agg_peak = 0;
-	int ret, i;
-
-	qn = src->data;
-	provider = src->provider;
-	qp = to_qcom_provider(provider);
-
-	list_for_each_entry(n, &provider->nodes, node_list)
-		provider->aggregate(n, 0, n->avg_bw, n->peak_bw,
-				    &agg_avg, &agg_peak);
-
-	sum_bw = icc_units_to_bps(agg_avg);
-	max_peak_bw = icc_units_to_bps(agg_peak);
-
-	if (!qn->qos.ap_owned) {
-		/* send bandwidth request message to the RPM processor */
-		ret = qcom_icc_rpm_set(qn->mas_rpm_id, qn->slv_rpm_id, sum_bw);
-		if (ret)
-			return ret;
-	} else if (qn->qos.qos_mode != -1) {
-		/* set bandwidth directly from the AP */
-		ret = qcom_icc_qos_set(src, sum_bw);
-		if (ret)
-			return ret;
-	}
-
-	rate = max(sum_bw, max_peak_bw);
-
-	do_div(rate, qn->buswidth);
-
-	if (qn->rate == rate)
-		return 0;
-
-	for (i = 0; i < qp->num_clks; i++) {
-		ret = clk_set_rate(qp->bus_clks[i].clk, rate);
-		if (ret) {
-			pr_err("%s clk_set_rate error: %d\n",
-			       qp->bus_clks[i].id, ret);
-			return ret;
-		}
-	}
-
-	qn->rate = rate;
-
-	return 0;
-}
-
 static int qnoc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -848,7 +510,7 @@ static int qnoc_probe(struct platform_device *pdev)
 	provider = &qp->provider;
 	INIT_LIST_HEAD(&provider->nodes);
 	provider->dev = dev;
-	provider->set = qcom_icc_set;
+	provider->set = qcom_icc_rpm_qos_set;
 	provider->aggregate = icc_std_aggregate;
 	provider->xlate = of_icc_xlate_onecell;
 	provider->data = data;
diff --git a/drivers/interconnect/qcom/sdm845.c b/drivers/interconnect/qcom/sdm845.c
index 366870150cbd..47b46601888a 100644
--- a/drivers/interconnect/qcom/sdm845.c
+++ b/drivers/interconnect/qcom/sdm845.c
@@ -469,7 +469,7 @@ static int qnoc_probe(struct platform_device *pdev)
 
 	provider = &qp->provider;
 	provider->dev = &pdev->dev;
-	provider->set = qcom_icc_set;
+	provider->set = qcom_icc_rpmh_set;
 	provider->pre_aggregate = qcom_icc_pre_aggregate;
 	provider->aggregate = qcom_icc_aggregate;
 	provider->xlate_extended = qcom_icc_xlate_extended;
diff --git a/drivers/interconnect/qcom/sdx55.c b/drivers/interconnect/qcom/sdx55.c
index a5a122ee3d21..11b0c109c7ca 100644
--- a/drivers/interconnect/qcom/sdx55.c
+++ b/drivers/interconnect/qcom/sdx55.c
@@ -263,7 +263,7 @@ static int qnoc_probe(struct platform_device *pdev)
 
 	provider = &qp->provider;
 	provider->dev = &pdev->dev;
-	provider->set = qcom_icc_set;
+	provider->set = qcom_icc_rpmh_set;
 	provider->pre_aggregate = qcom_icc_pre_aggregate;
 	provider->aggregate = qcom_icc_aggregate;
 	provider->xlate = of_icc_xlate_onecell;
diff --git a/drivers/interconnect/qcom/sm8150.c b/drivers/interconnect/qcom/sm8150.c
index c76b2c7f9b10..21410a20431b 100644
--- a/drivers/interconnect/qcom/sm8150.c
+++ b/drivers/interconnect/qcom/sm8150.c
@@ -530,7 +530,7 @@ static int qnoc_probe(struct platform_device *pdev)
 
 	provider = &qp->provider;
 	provider->dev = &pdev->dev;
-	provider->set = qcom_icc_set;
+	provider->set = qcom_icc_rpmh_set;
 	provider->pre_aggregate = qcom_icc_pre_aggregate;
 	provider->aggregate = qcom_icc_aggregate;
 	provider->xlate = of_icc_xlate_onecell;
diff --git a/drivers/interconnect/qcom/sm8250.c b/drivers/interconnect/qcom/sm8250.c
index cc558fec74e3..8ec8504b48c6 100644
--- a/drivers/interconnect/qcom/sm8250.c
+++ b/drivers/interconnect/qcom/sm8250.c
@@ -546,7 +546,7 @@ static int qnoc_probe(struct platform_device *pdev)
 
 	provider = &qp->provider;
 	provider->dev = &pdev->dev;
-	provider->set = qcom_icc_set;
+	provider->set = qcom_icc_rpmh_set;
 	provider->pre_aggregate = qcom_icc_pre_aggregate;
 	provider->aggregate = qcom_icc_aggregate;
 	provider->xlate = of_icc_xlate_onecell;
diff --git a/drivers/interconnect/qcom/sm8350.c b/drivers/interconnect/qcom/sm8350.c
index 579b6ce8e046..e3f54e07aca7 100644
--- a/drivers/interconnect/qcom/sm8350.c
+++ b/drivers/interconnect/qcom/sm8350.c
@@ -538,7 +538,7 @@ static int qnoc_probe(struct platform_device *pdev)
 
 	provider = &qp->provider;
 	provider->dev = &pdev->dev;
-	provider->set = qcom_icc_set;
+	provider->set = qcom_icc_rpmh_set;
 	provider->pre_aggregate = qcom_icc_pre_aggregate;
 	provider->aggregate = qcom_icc_aggregate;
 	provider->xlate = of_icc_xlate_onecell;
-- 
2.32.0



             reply	other threads:[~2021-07-30 12:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30 12:06 Yassine Oudjana [this message]
2021-07-30 13:39 ` AngeloGioacchino Del Regno
2021-07-31 11:22   ` Yassine Oudjana
2021-07-31 23:32 ` kernel test robot

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