| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Rajendra Nayak | 2257 | 48.49% | 6 | 20.00% |
| Björn Andersson | 688 | 14.78% | 5 | 16.67% |
| Abel Vesa | 276 | 5.93% | 2 | 6.67% |
| Rohit Agarwal | 225 | 4.83% | 3 | 10.00% |
| Sibi Sankar | 222 | 4.77% | 2 | 6.67% |
| Bartosz Golaszewski | 168 | 3.61% | 1 | 3.33% |
| Neil Armstrong | 162 | 3.48% | 1 | 3.33% |
| Vinod Koul | 131 | 2.81% | 2 | 6.67% |
| Konrad Dybcio | 120 | 2.58% | 2 | 6.67% |
| Dmitry Eremin-Solenikov | 104 | 2.23% | 1 | 3.33% |
| Danila Tikhonov | 100 | 2.15% | 1 | 3.33% |
| Richard Acayan | 100 | 2.15% | 1 | 3.33% |
| Melody Olvera | 72 | 1.55% | 1 | 3.33% |
| John Stultz | 20 | 0.43% | 1 | 3.33% |
| Doug Anderson | 10 | 0.21% | 1 | 3.33% |
| Total | 4655 | 30 |
// 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) container_of(domain, struct rpmhpd, pd) #define RPMH_ARC_MAX_LEVELS 16 /** * 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 */ struct rpmhpd { struct device *dev; struct generic_pm_domain pd; struct generic_pm_domain *parent; struct rpmhpd *peer; const bool active_only; unsigned int corner; unsigned int active_corner; unsigned int enable_corner; u32 level[RPMH_ARC_MAX_LEVELS]; size_t level_count; bool enabled; const char *res_name; u32 addr; bool state_synced; }; struct rpmhpd_desc { struct rpmhpd **rpmhpds; size_t num_pds; }; 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 = { .pd = { .name = "cx", }, .peer = &cx_ao, .res_name = "cx.lvl", }; static struct rpmhpd cx_ao = { .pd = { .name = "cx_ao", }, .active_only = true, .peer = &cx, .res_name = "cx.lvl", }; static struct rpmhpd cx_ao_w_mx_parent; static struct rpmhpd cx_w_mx_parent = { .pd = { .name = "cx", }, .peer = &cx_ao_w_mx_parent, .parent = &mx.pd, .res_name = "cx.lvl", }; static struct rpmhpd cx_ao_w_mx_parent = { .pd = { .name = "cx_ao", }, .active_only = true, .peer = &cx_w_mx_parent, .parent = &mx_ao.pd, .res_name = "cx.lvl", }; static struct rpmhpd ebi = { .pd = { .name = "ebi", }, .res_name = "ebi.lvl", }; static struct rpmhpd gfx = { .pd = { .name = "gfx", }, .res_name = "gfx.lvl", }; static struct rpmhpd lcx = { .pd = { .name = "lcx", }, .res_name = "lcx.lvl", }; static struct rpmhpd lmx = { .pd = { .name = "lmx", }, .res_name = "lmx.lvl", }; static struct rpmhpd mmcx_ao; static struct rpmhpd mmcx = { .pd = { .name = "mmcx", }, .peer = &mmcx_ao, .res_name = "mmcx.lvl", }; static struct rpmhpd mmcx_ao = { .pd = { .name = "mmcx_ao", }, .active_only = true, .peer = &mmcx, .res_name = "mmcx.lvl", }; static struct rpmhpd mmcx_ao_w_cx_parent; static struct rpmhpd mmcx_w_cx_parent = { .pd = { .name = "mmcx", }, .peer = &mmcx_ao_w_cx_parent, .parent = &cx.pd, .res_name = "mmcx.lvl", }; static struct rpmhpd mmcx_ao_w_cx_parent = { .pd = { .name = "mmcx_ao", }, .active_only = true, .peer = &mmcx_w_cx_parent, .parent = &cx_ao.pd, .res_name = "mmcx.lvl", }; static struct rpmhpd mss = { .pd = { .name = "mss", }, .res_name = "mss.lvl", }; static struct rpmhpd mx_ao; static struct rpmhpd mx = { .pd = { .name = "mx", }, .peer = &mx_ao, .res_name = "mx.lvl", }; static struct rpmhpd mx_ao = { .pd = { .name = "mx_ao", }, .active_only = true, .peer = &mx, .res_name = "mx.lvl", }; static struct rpmhpd mxc_ao; static struct rpmhpd mxc = { .pd = { .name = "mxc", }, .peer = &mxc_ao, .res_name = "mxc.lvl", }; static struct rpmhpd mxc_ao = { .pd = { .name = "mxc_ao", }, .active_only = true, .peer = &mxc, .res_name = "mxc.lvl", }; static struct rpmhpd nsp = { .pd = { .name = "nsp", }, .res_name = "nsp.lvl", }; static struct rpmhpd nsp0 = { .pd = { .name = "nsp0", }, .res_name = "nsp0.lvl", }; static struct rpmhpd nsp1 = { .pd = { .name = "nsp1", }, .res_name = "nsp1.lvl", }; static struct rpmhpd nsp2 = { .pd = { .name = "nsp2", }, .res_name = "nsp2.lvl", }; static struct rpmhpd qphy = { .pd = { .name = "qphy", }, .res_name = "qphy.lvl", }; static struct rpmhpd gmxc = { .pd = { .name = "gmxc", }, .res_name = "gmxc.lvl", }; /* SA8540P RPMH powerdomains */ static struct rpmhpd *sa8540p_rpmhpds[] = { [SC8280XP_CX] = &cx, [SC8280XP_CX_AO] = &cx_ao, [SC8280XP_EBI] = &ebi, [SC8280XP_GFX] = &gfx, [SC8280XP_LCX] = &lcx, [SC8280XP_LMX] = &lmx, [SC8280XP_MMCX] = &mmcx, [SC8280XP_MMCX_AO] = &mmcx_ao, [SC8280XP_MX] = &mx, [SC8280XP_MX_AO] = &mx_ao, [SC8280XP_NSP] = &nsp, }; static const struct rpmhpd_desc sa8540p_desc = { .rpmhpds = sa8540p_rpmhpds, .num_pds = ARRAY_SIZE(sa8540p_rpmhpds), }; /* SA8775P RPMH power domains */ static struct rpmhpd *sa8775p_rpmhpds[] = { [SA8775P_CX] = &cx, [SA8775P_CX_AO] = &cx_ao, [SA8775P_EBI] = &ebi, [SA8775P_GFX] = &gfx, [SA8775P_LCX] = &lcx, [SA8775P_LMX] = &lmx, [SA8775P_MMCX] = &mmcx, [SA8775P_MMCX_AO] = &mmcx_ao, [SA8775P_MXC] = &mxc, [SA8775P_MXC_AO] = &mxc_ao, [SA8775P_MX] = &mx, [SA8775P_MX_AO] = &mx_ao, [SA8775P_NSP0] = &nsp0, [SA8775P_NSP1] = &nsp1, }; static const struct rpmhpd_desc sa8775p_desc = { .rpmhpds = sa8775p_rpmhpds, .num_pds = ARRAY_SIZE(sa8775p_rpmhpds), }; /* SDM670 RPMH powerdomains */ static struct rpmhpd *sdm670_rpmhpds[] = { [SDM670_CX] = &cx_w_mx_parent, [SDM670_CX_AO] = &cx_ao_w_mx_parent, [SDM670_GFX] = &gfx, [SDM670_LCX] = &lcx, [SDM670_LMX] = &lmx, [SDM670_MSS] = &mss, [SDM670_MX] = &mx, [SDM670_MX_AO] = &mx_ao, }; static const struct rpmhpd_desc sdm670_desc = { .rpmhpds = sdm670_rpmhpds, .num_pds = ARRAY_SIZE(sdm670_rpmhpds), }; /* SDM845 RPMH powerdomains */ static struct rpmhpd *sdm845_rpmhpds[] = { [SDM845_CX] = &cx_w_mx_parent, [SDM845_CX_AO] = &cx_ao_w_mx_parent, [SDM845_EBI] = &ebi, [SDM845_GFX] = &gfx, [SDM845_LCX] = &lcx, [SDM845_LMX] = &lmx, [SDM845_MSS] = &mss, [SDM845_MX] = &mx, [SDM845_MX_AO] = &mx_ao, }; static const struct rpmhpd_desc sdm845_desc = { .rpmhpds = sdm845_rpmhpds, .num_pds = ARRAY_SIZE(sdm845_rpmhpds), }; /* SDX55 RPMH powerdomains */ static struct rpmhpd *sdx55_rpmhpds[] = { [SDX55_CX] = &cx_w_mx_parent, [SDX55_MSS] = &mss, [SDX55_MX] = &mx, }; static const struct rpmhpd_desc sdx55_desc = { .rpmhpds = sdx55_rpmhpds, .num_pds = ARRAY_SIZE(sdx55_rpmhpds), }; /* SDX65 RPMH powerdomains */ static struct rpmhpd *sdx65_rpmhpds[] = { [SDX65_CX] = &cx_w_mx_parent, [SDX65_CX_AO] = &cx_ao_w_mx_parent, [SDX65_MSS] = &mss, [SDX65_MX] = &mx, [SDX65_MX_AO] = &mx_ao, [SDX65_MXC] = &mxc, }; static const struct rpmhpd_desc sdx65_desc = { .rpmhpds = sdx65_rpmhpds, .num_pds = ARRAY_SIZE(sdx65_rpmhpds), }; /* SDX75 RPMH powerdomains */ static struct rpmhpd *sdx75_rpmhpds[] = { [RPMHPD_CX] = &cx, [RPMHPD_CX_AO] = &cx_ao, [RPMHPD_MSS] = &mss, [RPMHPD_MX] = &mx, [RPMHPD_MX_AO] = &mx_ao, [RPMHPD_MXC] = &mxc, }; static const struct rpmhpd_desc sdx75_desc = { .rpmhpds = sdx75_rpmhpds, .num_pds = ARRAY_SIZE(sdx75_rpmhpds), }; /* SM6350 RPMH powerdomains */ static struct rpmhpd *sm6350_rpmhpds[] = { [SM6350_CX] = &cx_w_mx_parent, [SM6350_GFX] = &gfx, [SM6350_LCX] = &lcx, [SM6350_LMX] = &lmx, [SM6350_MSS] = &mss, [SM6350_MX] = &mx, }; static const struct rpmhpd_desc sm6350_desc = { .rpmhpds = sm6350_rpmhpds, .num_pds = ARRAY_SIZE(sm6350_rpmhpds), }; /* SM7150 RPMH powerdomains */ static struct rpmhpd *sm7150_rpmhpds[] = { [RPMHPD_CX] = &cx_w_mx_parent, [RPMHPD_CX_AO] = &cx_ao_w_mx_parent, [RPMHPD_GFX] = &gfx, [RPMHPD_LCX] = &lcx, [RPMHPD_LMX] = &lmx, [RPMHPD_MX] = &mx, [RPMHPD_MX_AO] = &mx_ao, [RPMHPD_MSS] = &mss, }; static const struct rpmhpd_desc sm7150_desc = { .rpmhpds = sm7150_rpmhpds, .num_pds = ARRAY_SIZE(sm7150_rpmhpds), }; /* SM8150 RPMH powerdomains */ static struct rpmhpd *sm8150_rpmhpds[] = { [SM8150_CX] = &cx_w_mx_parent, [SM8150_CX_AO] = &cx_ao_w_mx_parent, [SM8150_EBI] = &ebi, [SM8150_GFX] = &gfx, [SM8150_LCX] = &lcx, [SM8150_LMX] = &lmx, [SM8150_MMCX] = &mmcx, [SM8150_MMCX_AO] = &mmcx_ao, [SM8150_MSS] = &mss, [SM8150_MX] = &mx, [SM8150_MX_AO] = &mx_ao, }; static const struct rpmhpd_desc sm8150_desc = { .rpmhpds = sm8150_rpmhpds, .num_pds = ARRAY_SIZE(sm8150_rpmhpds), }; static struct rpmhpd *sa8155p_rpmhpds[] = { [SA8155P_CX] = &cx_w_mx_parent, [SA8155P_CX_AO] = &cx_ao_w_mx_parent, [SA8155P_EBI] = &ebi, [SA8155P_GFX] = &gfx, [SA8155P_MSS] = &mss, [SA8155P_MX] = &mx, [SA8155P_MX_AO] = &mx_ao, }; static const struct rpmhpd_desc sa8155p_desc = { .rpmhpds = sa8155p_rpmhpds, .num_pds = ARRAY_SIZE(sa8155p_rpmhpds), }; /* SM8250 RPMH powerdomains */ static struct rpmhpd *sm8250_rpmhpds[] = { [RPMHPD_CX] = &cx_w_mx_parent, [RPMHPD_CX_AO] = &cx_ao_w_mx_parent, [RPMHPD_EBI] = &ebi, [RPMHPD_GFX] = &gfx, [RPMHPD_LCX] = &lcx, [RPMHPD_LMX] = &lmx, [RPMHPD_MMCX] = &mmcx, [RPMHPD_MMCX_AO] = &mmcx_ao, [RPMHPD_MX] = &mx, [RPMHPD_MX_AO] = &mx_ao, }; static const struct rpmhpd_desc sm8250_desc = { .rpmhpds = sm8250_rpmhpds, .num_pds = ARRAY_SIZE(sm8250_rpmhpds), }; /* SM8350 Power domains */ static struct rpmhpd *sm8350_rpmhpds[] = { [RPMHPD_CX] = &cx_w_mx_parent, [RPMHPD_CX_AO] = &cx_ao_w_mx_parent, [RPMHPD_EBI] = &ebi, [RPMHPD_GFX] = &gfx, [RPMHPD_LCX] = &lcx, [RPMHPD_LMX] = &lmx, [RPMHPD_MMCX] = &mmcx, [RPMHPD_MMCX_AO] = &mmcx_ao, [RPMHPD_MSS] = &mss, [RPMHPD_MX] = &mx, [RPMHPD_MX_AO] = &mx_ao, [RPMHPD_MXC] = &mxc, [RPMHPD_MXC_AO] = &mxc_ao, }; static const struct rpmhpd_desc sm8350_desc = { .rpmhpds = sm8350_rpmhpds, .num_pds = ARRAY_SIZE(sm8350_rpmhpds), }; /* SM8450 RPMH powerdomains */ static struct rpmhpd *sm8450_rpmhpds[] = { [RPMHPD_CX] = &cx, [RPMHPD_CX_AO] = &cx_ao, [RPMHPD_EBI] = &ebi, [RPMHPD_GFX] = &gfx, [RPMHPD_LCX] = &lcx, [RPMHPD_LMX] = &lmx, [RPMHPD_MMCX] = &mmcx_w_cx_parent, [RPMHPD_MMCX_AO] = &mmcx_ao_w_cx_parent, [RPMHPD_MSS] = &mss, [RPMHPD_MX] = &mx, [RPMHPD_MX_AO] = &mx_ao, [RPMHPD_MXC] = &mxc, [RPMHPD_MXC_AO] = &mxc_ao, }; static const struct rpmhpd_desc sm8450_desc = { .rpmhpds = sm8450_rpmhpds, .num_pds = ARRAY_SIZE(sm8450_rpmhpds), }; /* SM8550 RPMH powerdomains */ static struct rpmhpd *sm8550_rpmhpds[] = { [RPMHPD_CX] = &cx, [RPMHPD_CX_AO] = &cx_ao, [RPMHPD_EBI] = &ebi, [RPMHPD_GFX] = &gfx, [RPMHPD_LCX] = &lcx, [RPMHPD_LMX] = &lmx, [RPMHPD_MMCX] = &mmcx_w_cx_parent, [RPMHPD_MMCX_AO] = &mmcx_ao_w_cx_parent, [RPMHPD_MSS] = &mss, [RPMHPD_MX] = &mx, [RPMHPD_MX_AO] = &mx_ao, [RPMHPD_MXC] = &mxc, [RPMHPD_MXC_AO] = &mxc_ao, [RPMHPD_NSP] = &nsp, }; static const struct rpmhpd_desc sm8550_desc = { .rpmhpds = sm8550_rpmhpds, .num_pds = ARRAY_SIZE(sm8550_rpmhpds), }; /* SM8650 RPMH powerdomains */ static struct rpmhpd *sm8650_rpmhpds[] = { [RPMHPD_CX] = &cx, [RPMHPD_CX_AO] = &cx_ao, [RPMHPD_EBI] = &ebi, [RPMHPD_GFX] = &gfx, [RPMHPD_LCX] = &lcx, [RPMHPD_LMX] = &lmx, [RPMHPD_MMCX] = &mmcx_w_cx_parent, [RPMHPD_MMCX_AO] = &mmcx_ao_w_cx_parent, [RPMHPD_MSS] = &mss, [RPMHPD_MX] = &mx, [RPMHPD_MX_AO] = &mx_ao, [RPMHPD_MXC] = &mxc, [RPMHPD_MXC_AO] = &mxc_ao, [RPMHPD_NSP] = &nsp, [RPMHPD_NSP2] = &nsp2, }; static const struct rpmhpd_desc sm8650_desc = { .rpmhpds = sm8650_rpmhpds, .num_pds = ARRAY_SIZE(sm8650_rpmhpds), }; /* QDU1000/QRU1000 RPMH powerdomains */ static struct rpmhpd *qdu1000_rpmhpds[] = { [QDU1000_CX] = &cx, [QDU1000_EBI] = &ebi, [QDU1000_MSS] = &mss, [QDU1000_MX] = &mx, }; static const struct rpmhpd_desc qdu1000_desc = { .rpmhpds = qdu1000_rpmhpds, .num_pds = ARRAY_SIZE(qdu1000_rpmhpds), }; /* SC7180 RPMH powerdomains */ static struct rpmhpd *sc7180_rpmhpds[] = { [SC7180_CX] = &cx_w_mx_parent, [SC7180_CX_AO] = &cx_ao_w_mx_parent, [SC7180_GFX] = &gfx, [SC7180_LCX] = &lcx, [SC7180_LMX] = &lmx, [SC7180_MSS] = &mss, [SC7180_MX] = &mx, [SC7180_MX_AO] = &mx_ao, }; static const struct rpmhpd_desc sc7180_desc = { .rpmhpds = sc7180_rpmhpds, .num_pds = ARRAY_SIZE(sc7180_rpmhpds), }; /* SC7280 RPMH powerdomains */ static struct rpmhpd *sc7280_rpmhpds[] = { [SC7280_CX] = &cx, [SC7280_CX_AO] = &cx_ao, [SC7280_EBI] = &ebi, [SC7280_GFX] = &gfx, [SC7280_LCX] = &lcx, [SC7280_LMX] = &lmx, [SC7280_MSS] = &mss, [SC7280_MX] = &mx, [SC7280_MX_AO] = &mx_ao, }; static const struct rpmhpd_desc sc7280_desc = { .rpmhpds = sc7280_rpmhpds, .num_pds = ARRAY_SIZE(sc7280_rpmhpds), }; /* SC8180x RPMH powerdomains */ static struct rpmhpd *sc8180x_rpmhpds[] = { [SC8180X_CX] = &cx_w_mx_parent, [SC8180X_CX_AO] = &cx_ao_w_mx_parent, [SC8180X_EBI] = &ebi, [SC8180X_GFX] = &gfx, [SC8180X_LCX] = &lcx, [SC8180X_LMX] = &lmx, [SC8180X_MMCX] = &mmcx, [SC8180X_MMCX_AO] = &mmcx_ao, [SC8180X_MSS] = &mss, [SC8180X_MX] = &mx, [SC8180X_MX_AO] = &mx_ao, }; static const struct rpmhpd_desc sc8180x_desc = { .rpmhpds = sc8180x_rpmhpds, .num_pds = ARRAY_SIZE(sc8180x_rpmhpds), }; /* SC8280xp RPMH powerdomains */ static struct rpmhpd *sc8280xp_rpmhpds[] = { [SC8280XP_CX] = &cx, [SC8280XP_CX_AO] = &cx_ao, [SC8280XP_EBI] = &ebi, [SC8280XP_GFX] = &gfx, [SC8280XP_LCX] = &lcx, [SC8280XP_LMX] = &lmx, [SC8280XP_MMCX] = &mmcx, [SC8280XP_MMCX_AO] = &mmcx_ao, [SC8280XP_MX] = &mx, [SC8280XP_MX_AO] = &mx_ao, [SC8280XP_NSP] = &nsp, [SC8280XP_QPHY] = &qphy, }; static const struct rpmhpd_desc sc8280xp_desc = { .rpmhpds = sc8280xp_rpmhpds, .num_pds = ARRAY_SIZE(sc8280xp_rpmhpds), }; /* SC8380xp RPMH powerdomains */ static struct rpmhpd *sc8380xp_rpmhpds[] = { [RPMHPD_CX] = &cx, [RPMHPD_CX_AO] = &cx_ao, [RPMHPD_EBI] = &ebi, [RPMHPD_GFX] = &gfx, [RPMHPD_LCX] = &lcx, [RPMHPD_LMX] = &lmx, [RPMHPD_MMCX] = &mmcx, [RPMHPD_MMCX_AO] = &mmcx_ao, [RPMHPD_MX] = &mx, [RPMHPD_MX_AO] = &mx_ao, [RPMHPD_NSP] = &nsp, [RPMHPD_MXC] = &mxc, [RPMHPD_GMXC] = &gmxc, }; static const struct rpmhpd_desc sc8380xp_desc = { .rpmhpds = sc8380xp_rpmhpds, .num_pds = ARRAY_SIZE(sc8380xp_rpmhpds), }; static const struct of_device_id rpmhpd_match_table[] = { { .compatible = "qcom,qdu1000-rpmhpd", .data = &qdu1000_desc }, { .compatible = "qcom,sa8155p-rpmhpd", .data = &sa8155p_desc }, { .compatible = "qcom,sa8540p-rpmhpd", .data = &sa8540p_desc }, { .compatible = "qcom,sa8775p-rpmhpd", .data = &sa8775p_desc }, { .compatible = "qcom,sc7180-rpmhpd", .data = &sc7180_desc }, { .compatible = "qcom,sc7280-rpmhpd", .data = &sc7280_desc }, { .compatible = "qcom,sc8180x-rpmhpd", .data = &sc8180x_desc }, { .compatible = "qcom,sc8280xp-rpmhpd", .data = &sc8280xp_desc }, { .compatible = "qcom,sc8380xp-rpmhpd", .data = &sc8380xp_desc }, { .compatible = "qcom,sdm670-rpmhpd", .data = &sdm670_desc }, { .compatible = "qcom,sdm845-rpmhpd", .data = &sdm845_desc }, { .compatible = "qcom,sdx55-rpmhpd", .data = &sdx55_desc}, { .compatible = "qcom,sdx65-rpmhpd", .data = &sdx65_desc}, { .compatible = "qcom,sdx75-rpmhpd", .data = &sdx75_desc}, { .compatible = "qcom,sm6350-rpmhpd", .data = &sm6350_desc }, { .compatible = "qcom,sm7150-rpmhpd", .data = &sm7150_desc }, { .compatible = "qcom,sm8150-rpmhpd", .data = &sm8150_desc }, { .compatible = "qcom,sm8250-rpmhpd", .data = &sm8250_desc }, { .compatible = "qcom,sm8350-rpmhpd", .data = &sm8350_desc }, { .compatible = "qcom,sm8450-rpmhpd", .data = &sm8450_desc }, { .compatible = "qcom,sm8550-rpmhpd", .data = &sm8550_desc }, { .compatible = "qcom,sm8650-rpmhpd", .data = &sm8650_desc }, { } }; MODULE_DEVICE_TABLE(of, rpmhpd_match_table); static int rpmhpd_send_corner(struct rpmhpd *pd, int state, unsigned int corner, bool sync) { struct tcs_cmd cmd = { .addr = pd->addr, .data = corner, }; /* * Wait for an ack only when we are increasing the * perf state of the power domain */ if (sync) return rpmh_write(pd->dev, state, &cmd, 1); else return rpmh_write_async(pd->dev, state, &cmd, 1); } static void to_active_sleep(struct rpmhpd *pd, unsigned int corner, unsigned int *active, unsigned int *sleep) { *active = corner; if (pd->active_only) *sleep = 0; else *sleep = *active; } /* * 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) { int ret; struct rpmhpd *peer = pd->peer; unsigned int active_corner, sleep_corner; unsigned int this_active_corner = 0, this_sleep_corner = 0; unsigned int peer_active_corner = 0, peer_sleep_corner = 0; if (pd->state_synced) { to_active_sleep(pd, corner, &this_active_corner, &this_sleep_corner); } else { /* Clamp to highest corner if sync_state hasn't happened */ this_active_corner = pd->level_count - 1; this_sleep_corner = pd->level_count - 1; } if (peer && peer->enabled) to_active_sleep(peer, peer->corner, &peer_active_corner, &peer_sleep_corner); active_corner = max(this_active_corner, peer_active_corner); ret = rpmhpd_send_corner(pd, RPMH_ACTIVE_ONLY_STATE, active_corner, active_corner > pd->active_corner); if (ret) return ret; pd->active_corner = active_corner; if (peer) { peer->active_corner = active_corner; ret = rpmhpd_send_corner(pd, RPMH_WAKE_ONLY_STATE, active_corner, false); if (ret) return ret; sleep_corner = max(this_sleep_corner, peer_sleep_corner); return rpmhpd_send_corner(pd, RPMH_SLEEP_STATE, sleep_corner, false); } return ret; } static int rpmhpd_power_on(struct generic_pm_domain *domain) { struct rpmhpd *pd = domain_to_rpmhpd(domain); unsigned int corner; int ret; mutex_lock(&rpmhpd_lock); corner = max(pd->corner, pd->enable_corner); ret = rpmhpd_aggregate_corner(pd, corner); if (!ret) pd->enabled = true; mutex_unlock(&rpmhpd_lock); return ret; } static int rpmhpd_power_off(struct generic_pm_domain *domain) { struct rpmhpd *pd = domain_to_rpmhpd(domain); int ret; mutex_lock(&rpmhpd_lock); ret = rpmhpd_aggregate_corner(pd, 0); if (!ret) pd->enabled = false; mutex_unlock(&rpmhpd_lock); return ret; } static int rpmhpd_set_performance_state(struct generic_pm_domain *domain, unsigned int level) { struct rpmhpd *pd = domain_to_rpmhpd(domain); int ret = 0, i; mutex_lock(&rpmhpd_lock); for (i = 0; i < pd->level_count; i++) if (level <= pd->level[i]) break; /* * If the level requested is more than that supported by the * max corner, just set it to max anyway. */ if (i == pd->level_count) i--; if (pd->enabled) { /* Ensure that the domain isn't turn off */ if (i < pd->enable_corner) i = pd->enable_corner; ret = rpmhpd_aggregate_corner(pd, i); if (ret) goto out; } pd->corner = i; out: mutex_unlock(&rpmhpd_lock); return ret; } static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd) { int i; const u16 *buf; buf = cmd_db_read_aux_data(rpmhpd->res_name, &rpmhpd->level_count); if (IS_ERR(buf)) return PTR_ERR(buf); /* 2 bytes used for each command DB aux data entry */ rpmhpd->level_count >>= 1; if (rpmhpd->level_count > RPMH_ARC_MAX_LEVELS) return -EINVAL; for (i = 0; i < rpmhpd->level_count; i++) { rpmhpd->level[i] = buf[i]; /* Remember the first corner with non-zero level */ if (!rpmhpd->level[rpmhpd->enable_corner] && rpmhpd->level[i]) rpmhpd->enable_corner = i; /* * The AUX data may be zero padded. These 0 valued entries at * the end of the map must be ignored. */ if (i > 0 && rpmhpd->level[i] == 0) { rpmhpd->level_count = i; break; } pr_debug("%s: ARC hlvl=%2d --> vlvl=%4u\n", rpmhpd->res_name, i, rpmhpd->level[i]); } return 0; } static int rpmhpd_probe(struct platform_device *pdev) { int i, ret; size_t num_pds; struct device *dev = &pdev->dev; struct genpd_onecell_data *data; struct rpmhpd **rpmhpds; const struct rpmhpd_desc *desc; desc = of_device_get_match_data(dev); if (!desc) return -EINVAL; rpmhpds = desc->rpmhpds; num_pds = desc->num_pds; data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; data->domains = devm_kcalloc(dev, num_pds, sizeof(*data->domains), GFP_KERNEL); if (!data->domains) return -ENOMEM; data->num_domains = num_pds; for (i = 0; i < num_pds; i++) { if (!rpmhpds[i]) continue; rpmhpds[i]->dev = dev; rpmhpds[i]->addr = cmd_db_read_addr(rpmhpds[i]->res_name); if (!rpmhpds[i]->addr) { dev_err(dev, "Could not find RPMh address for resource %s\n", rpmhpds[i]->res_name); return -ENODEV; } ret = cmd_db_read_slave_id(rpmhpds[i]->res_name); if (ret != CMD_DB_HW_ARC) { dev_err(dev, "RPMh slave ID mismatch\n"); return -EINVAL; } ret = rpmhpd_update_level_mapping(rpmhpds[i]); if (ret) return ret; rpmhpds[i]->pd.power_off = rpmhpd_power_off; rpmhpds[i]->pd.power_on = rpmhpd_power_on; rpmhpds[i]->pd.set_performance_state = rpmhpd_set_performance_state; pm_genpd_init(&rpmhpds[i]->pd, NULL, true); data->domains[i] = &rpmhpds[i]->pd; } /* Add subdomains */ for (i = 0; i < num_pds; i++) { if (!rpmhpds[i]) continue; if (rpmhpds[i]->parent) pm_genpd_add_subdomain(rpmhpds[i]->parent, &rpmhpds[i]->pd); } return of_genpd_add_provider_onecell(pdev->dev.of_node, data); } static void rpmhpd_sync_state(struct device *dev) { const struct rpmhpd_desc *desc = of_device_get_match_data(dev); struct rpmhpd **rpmhpds = desc->rpmhpds; unsigned int corner; struct rpmhpd *pd; unsigned int i; int ret; mutex_lock(&rpmhpd_lock); for (i = 0; i < desc->num_pds; i++) { pd = rpmhpds[i]; if (!pd) continue; pd->state_synced = true; if (pd->enabled) corner = max(pd->corner, pd->enable_corner); else corner = 0; ret = rpmhpd_aggregate_corner(pd, corner); if (ret) dev_err(dev, "failed to sync %s\n", pd->res_name); } mutex_unlock(&rpmhpd_lock); } static struct platform_driver rpmhpd_driver = { .driver = { .name = "qcom-rpmhpd", .of_match_table = rpmhpd_match_table, .suppress_bind_attrs = true, .sync_state = rpmhpd_sync_state, }, .probe = rpmhpd_probe, }; static int __init rpmhpd_init(void) { return platform_driver_register(&rpmhpd_driver); } core_initcall(rpmhpd_init); MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPMh Power Domain Driver"); MODULE_LICENSE("GPL v2");
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