// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2018, The Linux Foundation. All rights reserved.*/ #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/pm_domain.h> #include <linux/slab.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_opp.h> #include <soc/qcom/cmd-db.h> #include <soc/qcom/rpmh.h> #include <dt-bindings/power/qcom-rpmpd.h> #include <dt-bindings/power/qcom,rpmhpd.h> #define domain_to_rpmhpd(domain) … #define RPMH_ARC_MAX_LEVELS … /** * struct rpmhpd - top level RPMh power domain resource data structure * @dev: rpmh power domain controller device * @pd: generic_pm_domain corresponding to the power domain * @parent: generic_pm_domain corresponding to the parent's power domain * @peer: A peer power domain in case Active only Voting is * supported * @active_only: True if it represents an Active only peer * @corner: current corner * @active_corner: current active corner * @enable_corner: lowest non-zero corner * @level: An array of level (vlvl) to corner (hlvl) mappings * derived from cmd-db * @level_count: Number of levels supported by the power domain. max * being 16 (0 - 15) * @enabled: true if the power domain is enabled * @res_name: Resource name used for cmd-db lookup * @addr: Resource address as looped up using resource name from * cmd-db * @state_synced: Indicator that sync_state has been invoked for the rpmhpd resource * @skip_retention_level: Indicate that retention level should not be used for the power domain */ struct rpmhpd { … }; struct rpmhpd_desc { … }; static DEFINE_MUTEX(rpmhpd_lock); /* RPMH powerdomains */ static struct rpmhpd cx_ao; static struct rpmhpd mx; static struct rpmhpd mx_ao; static struct rpmhpd cx = …; static struct rpmhpd cx_ao = …; static struct rpmhpd cx_ao_w_mx_parent; static struct rpmhpd cx_w_mx_parent = …; static struct rpmhpd cx_ao_w_mx_parent = …; static struct rpmhpd ebi = …; static struct rpmhpd gfx = …; static struct rpmhpd lcx = …; static struct rpmhpd lmx = …; static struct rpmhpd mmcx_ao; static struct rpmhpd mmcx = …; static struct rpmhpd mmcx_ao = …; static struct rpmhpd mmcx_ao_w_cx_parent; static struct rpmhpd mmcx_w_cx_parent = …; static struct rpmhpd mmcx_ao_w_cx_parent = …; static struct rpmhpd mss = …; static struct rpmhpd mx_ao; static struct rpmhpd mx = …; static struct rpmhpd mx_ao = …; static struct rpmhpd mxc_ao; static struct rpmhpd mxc = …; static struct rpmhpd mxc_ao = …; static struct rpmhpd nsp = …; static struct rpmhpd nsp0 = …; static struct rpmhpd nsp1 = …; static struct rpmhpd nsp2 = …; static struct rpmhpd qphy = …; static struct rpmhpd gmxc = …; /* SA8540P RPMH powerdomains */ static struct rpmhpd *sa8540p_rpmhpds[] = …; static const struct rpmhpd_desc sa8540p_desc = …; /* SA8775P RPMH power domains */ static struct rpmhpd *sa8775p_rpmhpds[] = …; static const struct rpmhpd_desc sa8775p_desc = …; /* SDM670 RPMH powerdomains */ static struct rpmhpd *sdm670_rpmhpds[] = …; static const struct rpmhpd_desc sdm670_desc = …; /* SDM845 RPMH powerdomains */ static struct rpmhpd *sdm845_rpmhpds[] = …; static const struct rpmhpd_desc sdm845_desc = …; /* SDX55 RPMH powerdomains */ static struct rpmhpd *sdx55_rpmhpds[] = …; static const struct rpmhpd_desc sdx55_desc = …; /* SDX65 RPMH powerdomains */ static struct rpmhpd *sdx65_rpmhpds[] = …; static const struct rpmhpd_desc sdx65_desc = …; /* SDX75 RPMH powerdomains */ static struct rpmhpd *sdx75_rpmhpds[] = …; static const struct rpmhpd_desc sdx75_desc = …; /* SM6350 RPMH powerdomains */ static struct rpmhpd *sm6350_rpmhpds[] = …; static const struct rpmhpd_desc sm6350_desc = …; /* SM7150 RPMH powerdomains */ static struct rpmhpd *sm7150_rpmhpds[] = …; static const struct rpmhpd_desc sm7150_desc = …; /* SM8150 RPMH powerdomains */ static struct rpmhpd *sm8150_rpmhpds[] = …; static const struct rpmhpd_desc sm8150_desc = …; static struct rpmhpd *sa8155p_rpmhpds[] = …; static const struct rpmhpd_desc sa8155p_desc = …; /* SM8250 RPMH powerdomains */ static struct rpmhpd *sm8250_rpmhpds[] = …; static const struct rpmhpd_desc sm8250_desc = …; /* SM8350 Power domains */ static struct rpmhpd *sm8350_rpmhpds[] = …; static const struct rpmhpd_desc sm8350_desc = …; /* SM8450 RPMH powerdomains */ static struct rpmhpd *sm8450_rpmhpds[] = …; static const struct rpmhpd_desc sm8450_desc = …; /* SM8550 RPMH powerdomains */ static struct rpmhpd *sm8550_rpmhpds[] = …; static const struct rpmhpd_desc sm8550_desc = …; /* SM8650 RPMH powerdomains */ static struct rpmhpd *sm8650_rpmhpds[] = …; static const struct rpmhpd_desc sm8650_desc = …; /* QDU1000/QRU1000 RPMH powerdomains */ static struct rpmhpd *qdu1000_rpmhpds[] = …; static const struct rpmhpd_desc qdu1000_desc = …; /* SC7180 RPMH powerdomains */ static struct rpmhpd *sc7180_rpmhpds[] = …; static const struct rpmhpd_desc sc7180_desc = …; /* SC7280 RPMH powerdomains */ static struct rpmhpd *sc7280_rpmhpds[] = …; static const struct rpmhpd_desc sc7280_desc = …; /* SC8180x RPMH powerdomains */ static struct rpmhpd *sc8180x_rpmhpds[] = …; static const struct rpmhpd_desc sc8180x_desc = …; /* SC8280xp RPMH powerdomains */ static struct rpmhpd *sc8280xp_rpmhpds[] = …; static const struct rpmhpd_desc sc8280xp_desc = …; /* X1E80100 RPMH powerdomains */ static struct rpmhpd *x1e80100_rpmhpds[] = …; static const struct rpmhpd_desc x1e80100_desc = …; static const struct of_device_id rpmhpd_match_table[] = …; MODULE_DEVICE_TABLE(of, rpmhpd_match_table); static int rpmhpd_send_corner(struct rpmhpd *pd, int state, unsigned int corner, bool sync) { … } static void to_active_sleep(struct rpmhpd *pd, unsigned int corner, unsigned int *active, unsigned int *sleep) { … } /* * This function is used to aggregate the votes across the active only * resources and its peers. The aggregated votes are sent to RPMh as * ACTIVE_ONLY votes (which take effect immediately), as WAKE_ONLY votes * (applied by RPMh on system wakeup) and as SLEEP votes (applied by RPMh * on system sleep). * We send ACTIVE_ONLY votes for resources without any peers. For others, * which have an active only peer, all 3 votes are sent. */ static int rpmhpd_aggregate_corner(struct rpmhpd *pd, unsigned int corner) { … } static int rpmhpd_power_on(struct generic_pm_domain *domain) { … } static int rpmhpd_power_off(struct generic_pm_domain *domain) { … } static int rpmhpd_set_performance_state(struct generic_pm_domain *domain, unsigned int level) { … } static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd) { … } static int rpmhpd_probe(struct platform_device *pdev) { … } static void rpmhpd_sync_state(struct device *dev) { … } static struct platform_driver rpmhpd_driver = …; static int __init rpmhpd_init(void) { … } core_initcall(rpmhpd_init); MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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