interconnect: sdm660: merge common code into icc-rpm

Other RPM interconnect drivers might also use QoS support. Move AP-owned
nodes support from SDM660 driver to common icc-rpm.c.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Tested-by: Marijn Suijten <marijn.suijten@somainline.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210903232421.1384199-5-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>

1 files changed, 37 insertions, 5 deletions

diff --git a/drivers/interconnect/qcom/icc-rpm.h b/drivers/interconnect/qcom/icc-rpm.h
index f4b05c20c097..25d11c6a73d7 100644
--- a/drivers/interconnect/qcom/icc-rpm.h
+++ b/drivers/interconnect/qcom/icc-rpm.h
@@ -9,8 +9,6 @@
 #define RPM_BUS_MASTER_REQ	0x73616d62
 #define RPM_BUS_SLAVE_REQ	0x766c7362
 
-#define QCOM_MAX_LINKS 12
-
 #define to_qcom_provider(_provider) \
 	container_of(_provider, struct qcom_icc_provider, provider)
 
@@ -19,14 +17,36 @@
  * @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
  */
 struct qcom_icc_provider {
 	struct icc_provider provider;
 	int num_clks;
+	bool is_bimc_node;
+	struct regmap *regmap;
 	struct clk_bulk_data bus_clks[];
 };
 
 /**
+ * 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
@@ -35,36 +55,48 @@ struct qcom_icc_provider {
  * @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[QCOM_MAX_LINKS];
+	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 char * const *clocks;
+	size_t num_clocks;
+	bool is_bimc_node;
+	const struct regmap_config *regmap_cfg;
 };
 
 #define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, _slv_rpm_id,	\
 		     ...)						\
+		static const u16 _name ## _links[] = { __VA_ARGS__ };	\
+		\
 		static struct qcom_icc_node _name = {			\
 		.name = #_name,						\
 		.id = _id,						\
 		.buswidth = _buswidth,					\
 		.mas_rpm_id = _mas_rpm_id,				\
 		.slv_rpm_id = _slv_rpm_id,				\
-		.num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })),	\
-		.links = { __VA_ARGS__ },				\
+		.num_links = ARRAY_SIZE(_name ## _links),		\
+		.links = _name ## _links,				\
 	}
 
+/* Valid for both NoC and BIMC */
+#define NOC_QOS_MODE_INVALID		-1
+#define NOC_QOS_MODE_FIXED		0x0
+#define NOC_QOS_MODE_BYPASS		0x2
 
 int qnoc_probe(struct platform_device *pdev);
 int qnoc_remove(struct platform_device *pdev);