diff options
Diffstat (limited to 'drivers/interconnect/qcom/icc-rpm.h')
| -rw-r--r-- | drivers/interconnect/qcom/icc-rpm.h | 96 |
1 files changed, 79 insertions, 17 deletions
diff --git a/drivers/interconnect/qcom/icc-rpm.h b/drivers/interconnect/qcom/icc-rpm.h index a49af844ab13..f4883d43eae4 100644 --- a/drivers/interconnect/qcom/icc-rpm.h +++ b/drivers/interconnect/qcom/icc-rpm.h @@ -6,7 +6,12 @@ #ifndef __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_H #define __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_H -#include <dt-bindings/interconnect/qcom,icc.h> +#include <linux/soc/qcom/smd-rpm.h> + +#include <dt-bindings/interconnect/qcom,rpm-icc.h> +#include <linux/clk.h> +#include <linux/interconnect-provider.h> +#include <linux/platform_device.h> #define RPM_BUS_MASTER_REQ 0x73616d62 #define RPM_BUS_SLAVE_REQ 0x766c7362 @@ -21,23 +26,47 @@ enum qcom_icc_type { }; /** + * struct rpm_clk_resource - RPM bus clock resource + * @resource_type: RPM resource type of the clock resource + * @clock_id: index of the clock resource of a specific resource type + * @branch: whether the resource represents a branch clock +*/ +struct rpm_clk_resource { + u32 resource_type; + u32 clock_id; + bool branch; +}; + +/** * 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 + * @num_intf_clks: the total number of intf_clks clk_bulk_data entries * @type: the ICC provider type - * @qos_offset: offset to QoS registers * @regmap: regmap for QoS registers read/write access + * @qos_offset: offset to QoS registers + * @ab_coeff: a percentage-based coefficient for compensating the AB calculations + * @ib_coeff: an inverse-percentage-based coefficient for compensating the IB calculations * @bus_clk_rate: bus clock rate in Hz + * @bus_clk_desc: a pointer to a rpm_clk_resource description of bus clocks + * @bus_clk: a pointer to a HLOS-owned bus clock + * @intf_clks: a clk_bulk_data array of interface clocks + * @keep_alive: whether to always keep a minimum vote on the bus clocks + * @is_on: whether the bus is powered on */ struct qcom_icc_provider { struct icc_provider provider; - int num_clks; + int num_intf_clks; enum qcom_icc_type type; struct regmap *regmap; unsigned int qos_offset; - u64 *bus_clk_rate; - struct clk_bulk_data bus_clks[]; + u16 ab_coeff; + u16 ib_coeff; + u32 bus_clk_rate[QCOM_SMD_RPM_STATE_NUM]; + const struct rpm_clk_resource *bus_clk_desc; + struct clk *bus_clk; + struct clk_bulk_data *intf_clks; + bool keep_alive; + bool is_on; }; /** @@ -66,43 +95,76 @@ struct qcom_icc_qos { * @id: a unique node identifier * @links: an array of nodes where we can go next while traversing * @num_links: the total number of @links + * @channels: number of channels at this node (e.g. DDR channels) * @buswidth: width of the interconnect between a node and the bus (bytes) + * @bus_clk_desc: a pointer to a rpm_clk_resource description of bus clocks * @sum_avg: current sum aggregate value of all avg bw requests * @max_peak: current max aggregate value of all peak bw requests * @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 + * @ab_coeff: a percentage-based coefficient for compensating the AB calculations + * @ib_coeff: an inverse-percentage-based coefficient for compensating the IB calculations + * @bus_clk_rate: a pointer to an array containing bus clock rates in Hz */ struct qcom_icc_node { unsigned char *name; u16 id; const u16 *links; u16 num_links; + u16 channels; u16 buswidth; - u64 sum_avg[QCOM_ICC_NUM_BUCKETS]; - u64 max_peak[QCOM_ICC_NUM_BUCKETS]; + const struct rpm_clk_resource *bus_clk_desc; + u64 sum_avg[QCOM_SMD_RPM_STATE_NUM]; + u64 max_peak[QCOM_SMD_RPM_STATE_NUM]; int mas_rpm_id; int slv_rpm_id; struct qcom_icc_qos qos; + u16 ab_coeff; + u16 ib_coeff; + u32 bus_clk_rate[QCOM_SMD_RPM_STATE_NUM]; }; struct qcom_icc_desc { struct qcom_icc_node * const *nodes; size_t num_nodes; - const char * const *clocks; - size_t num_clocks; - bool has_bus_pd; + const struct rpm_clk_resource *bus_clk_desc; + const char * const *intf_clocks; + size_t num_intf_clocks; + bool keep_alive; enum qcom_icc_type type; const struct regmap_config *regmap_cfg; unsigned int qos_offset; + u16 ab_coeff; + u16 ib_coeff; +}; + +/* Valid for all bus types */ +enum qos_mode { + NOC_QOS_MODE_INVALID = 0, + NOC_QOS_MODE_FIXED, + NOC_QOS_MODE_BYPASS, }; -/* Valid for both NoC and BIMC */ -#define NOC_QOS_MODE_INVALID -1 -#define NOC_QOS_MODE_FIXED 0x0 -#define NOC_QOS_MODE_BYPASS 0x2 +extern const struct rpm_clk_resource aggre1_clk; +extern const struct rpm_clk_resource aggre2_clk; +extern const struct rpm_clk_resource bimc_clk; +extern const struct rpm_clk_resource bus_0_clk; +extern const struct rpm_clk_resource bus_1_clk; +extern const struct rpm_clk_resource bus_2_clk; +extern const struct rpm_clk_resource mem_1_clk; +extern const struct rpm_clk_resource mmaxi_0_clk; +extern const struct rpm_clk_resource mmaxi_1_clk; +extern const struct rpm_clk_resource qup_clk; + +extern const struct rpm_clk_resource aggre1_branch_clk; +extern const struct rpm_clk_resource aggre2_branch_clk; int qnoc_probe(struct platform_device *pdev); -int qnoc_remove(struct platform_device *pdev); +void qnoc_remove(struct platform_device *pdev); + +bool qcom_icc_rpm_smd_available(void); +int qcom_icc_rpm_smd_send(int ctx, int rsc_type, int id, u32 val); +int qcom_icc_rpm_set_bus_rate(const struct rpm_clk_resource *clk, int ctx, u32 rate); #endif |