diff options
Diffstat (limited to 'drivers/interconnect/qcom/icc-rpm.h')
| -rw-r--r-- | drivers/interconnect/qcom/icc-rpm.h | 56 |
1 files changed, 45 insertions, 11 deletions
diff --git a/drivers/interconnect/qcom/icc-rpm.h b/drivers/interconnect/qcom/icc-rpm.h index ee705edf19dd..eed3451af3e6 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 @@ -20,31 +25,43 @@ enum qcom_icc_type { QCOM_ICC_QNOC, }; -#define NUM_BUS_CLKS 2 +/** + * 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 - * @num_bus_clks: the total number of bus_clks clk_bulk_data entries (0 or 2) * @num_intf_clks: the total number of intf_clks clk_bulk_data entries * @type: the ICC provider type * @regmap: regmap for QoS registers read/write access * @qos_offset: offset to QoS registers * @bus_clk_rate: bus clock rate in Hz - * @bus_clks: the clk_bulk_data table of bus clocks + * @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_bus_clks; int num_intf_clks; enum qcom_icc_type type; struct regmap *regmap; unsigned int qos_offset; - u64 bus_clk_rate[NUM_BUS_CLKS]; - struct clk_bulk_data bus_clks[NUM_BUS_CLKS]; + 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; }; @@ -89,8 +106,8 @@ struct qcom_icc_node { u16 num_links; u16 channels; u16 buswidth; - u64 sum_avg[QCOM_ICC_NUM_BUCKETS]; - u64 max_peak[QCOM_ICC_NUM_BUCKETS]; + 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; @@ -99,10 +116,10 @@ struct qcom_icc_node { struct qcom_icc_desc { struct qcom_icc_node * const *nodes; size_t num_nodes; - const char * const *bus_clocks; + const struct rpm_clk_resource *bus_clk_desc; const char * const *intf_clocks; size_t num_intf_clocks; - bool no_clk_scaling; + bool keep_alive; enum qcom_icc_type type; const struct regmap_config *regmap_cfg; unsigned int qos_offset; @@ -115,7 +132,24 @@ enum qos_mode { NOC_QOS_MODE_BYPASS, }; +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 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); +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 |