1 files changed, 18 insertions, 467 deletions

diff --git a/drivers/interconnect/qcom/sdm660.c b/drivers/interconnect/qcom/sdm660.c
index 4a72f9677d4e..471bb88f8828 100644
--- a/drivers/interconnect/qcom/sdm660.c
+++ b/drivers/interconnect/qcom/sdm660.c
@@ -16,42 +16,9 @@
 #include <linux/regmap.h>
 #include <linux/slab.h>
 
+#include "icc-rpm.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_INVALID		-1
-#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_P1_MASK	0xc
-#define NOC_QOS_PRIORITY_P0_MASK	0x3
-#define NOC_QOS_PRIORITY_P1_SHIFT	0x2
-
-#define NOC_QOS_MODEn_ADDR(n)		(0xc + (n * 0x1000))
-#define NOC_QOS_MODEn_MASK		0x3
-
 enum {
 	SDM660_MASTER_IPA = 1,
 	SDM660_MASTER_CNOC_A2NOC,
@@ -160,94 +127,20 @@ 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" },
+static const char * const bus_mm_clocks[] = {
+	"bus",
+	"bus_a",
+	"iface",
 };
 
-static const struct clk_bulk_data bus_mm_clocks[] = {
-	{ .id = "bus" },
-	{ .id = "bus_a" },
-	{ .id = "iface" },
-};
-
-static const struct clk_bulk_data bus_a2noc_clocks[] = {
-	{ .id = "bus" },
-	{ .id = "bus_a" },
-	{ .id = "ipa" },
-	{ .id = "ufs_axi" },
-	{ .id = "aggre2_ufs_axi" },
-	{ .id = "aggre2_usb3_axi" },
-	{ .id = "cfg_noc_usb2_axi" },
-};
-
-/**
- * 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
- */
-struct qcom_icc_node {
-	unsigned char *name;
-	u16 id;
-	const u16 *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;
+static const char * const bus_a2noc_clocks[] = {
+	"bus",
+	"bus_a",
+	"ipa",
+	"ufs_axi",
+	"aggre2_ufs_axi",
+	"aggre2_usb3_axi",
+	"cfg_noc_usb2_axi",
 };
 
 static const u16 mas_ipa_links[] = {
@@ -1622,6 +1515,8 @@ static const struct regmap_config sdm660_a2noc_regmap_config = {
 static struct qcom_icc_desc sdm660_a2noc = {
 	.nodes = sdm660_a2noc_nodes,
 	.num_nodes = ARRAY_SIZE(sdm660_a2noc_nodes),
+	.clocks = bus_a2noc_clocks,
+	.num_clocks = ARRAY_SIZE(bus_a2noc_clocks),
 	.regmap_cfg = &sdm660_a2noc_regmap_config,
 };
 
@@ -1647,6 +1542,7 @@ static const struct regmap_config sdm660_bimc_regmap_config = {
 static struct qcom_icc_desc sdm660_bimc = {
 	.nodes = sdm660_bimc_nodes,
 	.num_nodes = ARRAY_SIZE(sdm660_bimc_nodes),
+	.is_bimc_node = true,
 	.regmap_cfg = &sdm660_bimc_regmap_config,
 };
 
@@ -1759,6 +1655,8 @@ static const struct regmap_config sdm660_mnoc_regmap_config = {
 static struct qcom_icc_desc sdm660_mnoc = {
 	.nodes = sdm660_mnoc_nodes,
 	.num_nodes = ARRAY_SIZE(sdm660_mnoc_nodes),
+	.clocks = bus_mm_clocks,
+	.num_clocks = ARRAY_SIZE(bus_mm_clocks),
 	.regmap_cfg = &sdm660_mnoc_regmap_config,
 };
 
@@ -1796,353 +1694,6 @@ 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 != NOC_QOS_MODE_INVALID)
-		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_P1_MASK, val);
-	if (rc)
-		return rc;
-
-	return regmap_update_bits(rmap, NOC_QOS_PRIORITYn_ADDR(qos->qos_port),
-				  NOC_QOS_PRIORITY_P0_MASK, qos->prio_level);
-}
-
-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 != NOC_QOS_MODE_INVALID)
-		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 != NOC_QOS_MODE_INVALID) {
-		/* 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;
-	const struct qcom_icc_desc *desc;
-	struct icc_onecell_data *data;
-	struct icc_provider *provider;
-	struct qcom_icc_node **qnodes;
-	struct qcom_icc_provider *qp;
-	struct icc_node *node;
-	struct resource *res;
-	size_t num_nodes, i;
-	int ret;
-
-	/* wait for the RPM proxy */
-	if (!qcom_icc_rpm_smd_available())
-		return -EPROBE_DEFER;
-
-	desc = of_device_get_match_data(dev);
-	if (!desc)
-		return -EINVAL;
-
-	qnodes = desc->nodes;
-	num_nodes = desc->num_nodes;
-
-	qp = devm_kzalloc(dev, sizeof(*qp), GFP_KERNEL);
-	if (!qp)
-		return -ENOMEM;
-
-	data = devm_kzalloc(dev, struct_size(data, nodes, num_nodes),
-			    GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-
-	if (of_device_is_compatible(dev->of_node, "qcom,sdm660-mnoc")) {
-		qp->bus_clks = devm_kmemdup(dev, bus_mm_clocks,
-					    sizeof(bus_mm_clocks), GFP_KERNEL);
-		qp->num_clks = ARRAY_SIZE(bus_mm_clocks);
-	} else if (of_device_is_compatible(dev->of_node, "qcom,sdm660-a2noc")) {
-		qp->bus_clks = devm_kmemdup(dev, bus_a2noc_clocks,
-					    sizeof(bus_a2noc_clocks), GFP_KERNEL);
-		qp->num_clks = ARRAY_SIZE(bus_a2noc_clocks);
-	} else {
-		if (of_device_is_compatible(dev->of_node, "qcom,sdm660-bimc"))
-			qp->is_bimc_node = true;
-
-		qp->bus_clks = devm_kmemdup(dev, bus_clocks, sizeof(bus_clocks),
-					    GFP_KERNEL);
-		qp->num_clks = ARRAY_SIZE(bus_clocks);
-	}
-	if (!qp->bus_clks)
-		return -ENOMEM;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
-	qp->mmio = devm_ioremap_resource(dev, res);
-	if (IS_ERR(qp->mmio)) {
-		dev_err(dev, "Cannot ioremap interconnect bus resource\n");
-		return PTR_ERR(qp->mmio);
-	}
-
-	qp->regmap = devm_regmap_init_mmio(dev, qp->mmio, desc->regmap_cfg);
-	if (IS_ERR(qp->regmap)) {
-		dev_err(dev, "Cannot regmap interconnect bus resource\n");
-		return PTR_ERR(qp->regmap);
-	}
-
-	ret = devm_clk_bulk_get(dev, qp->num_clks, qp->bus_clks);
-	if (ret)
-		return ret;
-
-	ret = clk_bulk_prepare_enable(qp->num_clks, qp->bus_clks);
-	if (ret)
-		return ret;
-
-	provider = &qp->provider;
-	INIT_LIST_HEAD(&provider->nodes);
-	provider->dev = dev;
-	provider->set = qcom_icc_set;
-	provider->aggregate = icc_std_aggregate;
-	provider->xlate = of_icc_xlate_onecell;
-	provider->data = data;
-
-	ret = icc_provider_add(provider);
-	if (ret) {
-		dev_err(dev, "error adding interconnect provider: %d\n", ret);
-		clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
-		return ret;
-	}
-
-	for (i = 0; i < num_nodes; i++) {
-		size_t j;
-
-		node = icc_node_create(qnodes[i]->id);
-		if (IS_ERR(node)) {
-			ret = PTR_ERR(node);
-			goto err;
-		}
-
-		node->name = qnodes[i]->name;
-		node->data = qnodes[i];
-		icc_node_add(node, provider);
-
-		for (j = 0; j < qnodes[i]->num_links; j++)
-			icc_link_create(node, qnodes[i]->links[j]);
-
-		data->nodes[i] = node;
-	}
-	data->num_nodes = num_nodes;
-	platform_set_drvdata(pdev, qp);
-
-	return 0;
-err:
-	icc_nodes_remove(provider);
-	clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
-	icc_provider_del(provider);
-
-	return ret;
-}
-
-static int qnoc_remove(struct platform_device *pdev)
-{
-	struct qcom_icc_provider *qp = platform_get_drvdata(pdev);
-
-	icc_nodes_remove(&qp->provider);
-	clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
-	return icc_provider_del(&qp->provider);
-}
-
 static const struct of_device_id sdm660_noc_of_match[] = {
 	{ .compatible = "qcom,sdm660-a2noc", .data = &sdm660_a2noc },
 	{ .compatible = "qcom,sdm660-bimc", .data = &sdm660_bimc },