696 lines
20 KiB
C
696 lines
20 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved. */
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/mutex.h>
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#include <linux/pm_domain.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/pm_opp.h>
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#include <linux/soc/qcom/smd-rpm.h>
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#include <dt-bindings/power/qcom-rpmpd.h>
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#define domain_to_rpmpd(domain) container_of(domain, struct rpmpd, pd)
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/* Resource types:
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* RPMPD_X is X encoded as a little-endian, lower-case, ASCII string */
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#define RPMPD_SMPA 0x61706d73
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#define RPMPD_LDOA 0x616f646c
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#define RPMPD_SMPB 0x62706d73
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#define RPMPD_LDOB 0x626f646c
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#define RPMPD_RWCX 0x78637772
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#define RPMPD_RWMX 0x786d7772
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#define RPMPD_RWLC 0x636c7772
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#define RPMPD_RWLM 0x6d6c7772
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#define RPMPD_RWSC 0x63737772
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#define RPMPD_RWSM 0x6d737772
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#define RPMPD_RWGX 0x78677772
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/* Operation Keys */
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#define KEY_CORNER 0x6e726f63 /* corn */
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#define KEY_ENABLE 0x6e657773 /* swen */
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#define KEY_FLOOR_CORNER 0x636676 /* vfc */
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#define KEY_FLOOR_LEVEL 0x6c6676 /* vfl */
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#define KEY_LEVEL 0x6c766c76 /* vlvl */
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#define MAX_CORNER_RPMPD_STATE 6
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#define DEFINE_RPMPD_PAIR(_platform, _name, _active, r_type, r_key, \
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r_id) \
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static struct rpmpd _platform##_##_active; \
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static struct rpmpd _platform##_##_name = { \
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.pd = { .name = #_name, }, \
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.peer = &_platform##_##_active, \
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.res_type = RPMPD_##r_type, \
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.res_id = r_id, \
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.key = KEY_##r_key, \
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}; \
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static struct rpmpd _platform##_##_active = { \
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.pd = { .name = #_active, }, \
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.peer = &_platform##_##_name, \
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.active_only = true, \
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.res_type = RPMPD_##r_type, \
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.res_id = r_id, \
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.key = KEY_##r_key, \
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}
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#define DEFINE_RPMPD_CORNER(_platform, _name, r_type, r_id) \
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static struct rpmpd _platform##_##_name = { \
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.pd = { .name = #_name, }, \
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.res_type = RPMPD_##r_type, \
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.res_id = r_id, \
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.key = KEY_CORNER, \
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}
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#define DEFINE_RPMPD_LEVEL(_platform, _name, r_type, r_id) \
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static struct rpmpd _platform##_##_name = { \
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.pd = { .name = #_name, }, \
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.res_type = RPMPD_##r_type, \
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.res_id = r_id, \
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.key = KEY_LEVEL, \
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}
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#define DEFINE_RPMPD_VFC(_platform, _name, r_type, r_id) \
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static struct rpmpd _platform##_##_name = { \
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.pd = { .name = #_name, }, \
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.res_type = RPMPD_##r_type, \
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.res_id = r_id, \
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.key = KEY_FLOOR_CORNER, \
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}
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#define DEFINE_RPMPD_VFL(_platform, _name, r_type, r_id) \
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static struct rpmpd _platform##_##_name = { \
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.pd = { .name = #_name, }, \
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.res_type = RPMPD_##r_type, \
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.res_id = r_id, \
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.key = KEY_FLOOR_LEVEL, \
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}
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struct rpmpd_req {
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__le32 key;
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__le32 nbytes;
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__le32 value;
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};
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struct rpmpd {
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struct generic_pm_domain pd;
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struct rpmpd *peer;
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const bool active_only;
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unsigned int corner;
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bool enabled;
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const int res_type;
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const int res_id;
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struct qcom_smd_rpm *rpm;
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unsigned int max_state;
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__le32 key;
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};
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struct rpmpd_desc {
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struct rpmpd **rpmpds;
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size_t num_pds;
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unsigned int max_state;
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};
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static DEFINE_MUTEX(rpmpd_lock);
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/* mdm9607 RPM Power Domains */
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DEFINE_RPMPD_PAIR(mdm9607, vddcx, vddcx_ao, SMPA, LEVEL, 3);
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DEFINE_RPMPD_VFL(mdm9607, vddcx_vfl, SMPA, 3);
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DEFINE_RPMPD_PAIR(mdm9607, vddmx, vddmx_ao, LDOA, LEVEL, 12);
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DEFINE_RPMPD_VFL(mdm9607, vddmx_vfl, LDOA, 12);
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static struct rpmpd *mdm9607_rpmpds[] = {
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[MDM9607_VDDCX] = &mdm9607_vddcx,
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[MDM9607_VDDCX_AO] = &mdm9607_vddcx_ao,
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[MDM9607_VDDCX_VFL] = &mdm9607_vddcx_vfl,
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[MDM9607_VDDMX] = &mdm9607_vddmx,
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[MDM9607_VDDMX_AO] = &mdm9607_vddmx_ao,
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[MDM9607_VDDMX_VFL] = &mdm9607_vddmx_vfl,
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};
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static const struct rpmpd_desc mdm9607_desc = {
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.rpmpds = mdm9607_rpmpds,
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.num_pds = ARRAY_SIZE(mdm9607_rpmpds),
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.max_state = RPM_SMD_LEVEL_TURBO,
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};
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/* msm8226 RPM Power Domains */
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DEFINE_RPMPD_PAIR(msm8226, vddcx, vddcx_ao, SMPA, CORNER, 1);
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DEFINE_RPMPD_VFC(msm8226, vddcx_vfc, SMPA, 1);
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static struct rpmpd *msm8226_rpmpds[] = {
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[MSM8226_VDDCX] = &msm8226_vddcx,
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[MSM8226_VDDCX_AO] = &msm8226_vddcx_ao,
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[MSM8226_VDDCX_VFC] = &msm8226_vddcx_vfc,
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};
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static const struct rpmpd_desc msm8226_desc = {
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.rpmpds = msm8226_rpmpds,
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.num_pds = ARRAY_SIZE(msm8226_rpmpds),
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.max_state = MAX_CORNER_RPMPD_STATE,
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};
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/* msm8939 RPM Power Domains */
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DEFINE_RPMPD_PAIR(msm8939, vddmd, vddmd_ao, SMPA, CORNER, 1);
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DEFINE_RPMPD_VFC(msm8939, vddmd_vfc, SMPA, 1);
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DEFINE_RPMPD_PAIR(msm8939, vddcx, vddcx_ao, SMPA, CORNER, 2);
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DEFINE_RPMPD_VFC(msm8939, vddcx_vfc, SMPA, 2);
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DEFINE_RPMPD_PAIR(msm8939, vddmx, vddmx_ao, LDOA, CORNER, 3);
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static struct rpmpd *msm8939_rpmpds[] = {
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[MSM8939_VDDMDCX] = &msm8939_vddmd,
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[MSM8939_VDDMDCX_AO] = &msm8939_vddmd_ao,
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[MSM8939_VDDMDCX_VFC] = &msm8939_vddmd_vfc,
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[MSM8939_VDDCX] = &msm8939_vddcx,
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[MSM8939_VDDCX_AO] = &msm8939_vddcx_ao,
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[MSM8939_VDDCX_VFC] = &msm8939_vddcx_vfc,
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[MSM8939_VDDMX] = &msm8939_vddmx,
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[MSM8939_VDDMX_AO] = &msm8939_vddmx_ao,
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};
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static const struct rpmpd_desc msm8939_desc = {
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.rpmpds = msm8939_rpmpds,
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.num_pds = ARRAY_SIZE(msm8939_rpmpds),
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.max_state = MAX_CORNER_RPMPD_STATE,
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};
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/* msm8916 RPM Power Domains */
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DEFINE_RPMPD_PAIR(msm8916, vddcx, vddcx_ao, SMPA, CORNER, 1);
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DEFINE_RPMPD_PAIR(msm8916, vddmx, vddmx_ao, LDOA, CORNER, 3);
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DEFINE_RPMPD_VFC(msm8916, vddcx_vfc, SMPA, 1);
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static struct rpmpd *msm8916_rpmpds[] = {
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[MSM8916_VDDCX] = &msm8916_vddcx,
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[MSM8916_VDDCX_AO] = &msm8916_vddcx_ao,
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[MSM8916_VDDCX_VFC] = &msm8916_vddcx_vfc,
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[MSM8916_VDDMX] = &msm8916_vddmx,
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[MSM8916_VDDMX_AO] = &msm8916_vddmx_ao,
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};
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static const struct rpmpd_desc msm8916_desc = {
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.rpmpds = msm8916_rpmpds,
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.num_pds = ARRAY_SIZE(msm8916_rpmpds),
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.max_state = MAX_CORNER_RPMPD_STATE,
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};
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/* msm8953 RPM Power Domains */
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DEFINE_RPMPD_PAIR(msm8953, vddmd, vddmd_ao, SMPA, LEVEL, 1);
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DEFINE_RPMPD_PAIR(msm8953, vddcx, vddcx_ao, SMPA, LEVEL, 2);
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DEFINE_RPMPD_PAIR(msm8953, vddmx, vddmx_ao, SMPA, LEVEL, 7);
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DEFINE_RPMPD_VFL(msm8953, vddcx_vfl, SMPA, 2);
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static struct rpmpd *msm8953_rpmpds[] = {
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[MSM8953_VDDMD] = &msm8953_vddmd,
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[MSM8953_VDDMD_AO] = &msm8953_vddmd_ao,
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[MSM8953_VDDCX] = &msm8953_vddcx,
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[MSM8953_VDDCX_AO] = &msm8953_vddcx_ao,
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[MSM8953_VDDCX_VFL] = &msm8953_vddcx_vfl,
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[MSM8953_VDDMX] = &msm8953_vddmx,
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[MSM8953_VDDMX_AO] = &msm8953_vddmx_ao,
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};
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static const struct rpmpd_desc msm8953_desc = {
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.rpmpds = msm8953_rpmpds,
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.num_pds = ARRAY_SIZE(msm8953_rpmpds),
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.max_state = RPM_SMD_LEVEL_TURBO,
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};
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/* msm8976 RPM Power Domains */
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DEFINE_RPMPD_PAIR(msm8976, vddcx, vddcx_ao, SMPA, LEVEL, 2);
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DEFINE_RPMPD_PAIR(msm8976, vddmx, vddmx_ao, SMPA, LEVEL, 6);
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DEFINE_RPMPD_VFL(msm8976, vddcx_vfl, RWSC, 2);
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DEFINE_RPMPD_VFL(msm8976, vddmx_vfl, RWSM, 6);
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static struct rpmpd *msm8976_rpmpds[] = {
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[MSM8976_VDDCX] = &msm8976_vddcx,
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[MSM8976_VDDCX_AO] = &msm8976_vddcx_ao,
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[MSM8976_VDDCX_VFL] = &msm8976_vddcx_vfl,
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[MSM8976_VDDMX] = &msm8976_vddmx,
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[MSM8976_VDDMX_AO] = &msm8976_vddmx_ao,
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[MSM8976_VDDMX_VFL] = &msm8976_vddmx_vfl,
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};
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static const struct rpmpd_desc msm8976_desc = {
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.rpmpds = msm8976_rpmpds,
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.num_pds = ARRAY_SIZE(msm8976_rpmpds),
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.max_state = RPM_SMD_LEVEL_TURBO_HIGH,
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};
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/* msm8994 RPM Power domains */
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DEFINE_RPMPD_PAIR(msm8994, vddcx, vddcx_ao, SMPA, CORNER, 1);
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DEFINE_RPMPD_PAIR(msm8994, vddmx, vddmx_ao, SMPA, CORNER, 2);
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/* Attention! *Some* 8994 boards with pm8004 may use SMPC here! */
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DEFINE_RPMPD_CORNER(msm8994, vddgfx, SMPB, 2);
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DEFINE_RPMPD_VFC(msm8994, vddcx_vfc, SMPA, 1);
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DEFINE_RPMPD_VFC(msm8994, vddgfx_vfc, SMPB, 2);
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static struct rpmpd *msm8994_rpmpds[] = {
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[MSM8994_VDDCX] = &msm8994_vddcx,
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[MSM8994_VDDCX_AO] = &msm8994_vddcx_ao,
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[MSM8994_VDDCX_VFC] = &msm8994_vddcx_vfc,
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[MSM8994_VDDMX] = &msm8994_vddmx,
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[MSM8994_VDDMX_AO] = &msm8994_vddmx_ao,
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[MSM8994_VDDGFX] = &msm8994_vddgfx,
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[MSM8994_VDDGFX_VFC] = &msm8994_vddgfx_vfc,
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};
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static const struct rpmpd_desc msm8994_desc = {
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.rpmpds = msm8994_rpmpds,
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.num_pds = ARRAY_SIZE(msm8994_rpmpds),
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.max_state = MAX_CORNER_RPMPD_STATE,
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};
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/* msm8996 RPM Power domains */
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DEFINE_RPMPD_PAIR(msm8996, vddcx, vddcx_ao, SMPA, CORNER, 1);
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DEFINE_RPMPD_PAIR(msm8996, vddmx, vddmx_ao, SMPA, CORNER, 2);
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DEFINE_RPMPD_CORNER(msm8996, vddsscx, LDOA, 26);
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DEFINE_RPMPD_VFC(msm8996, vddcx_vfc, SMPA, 1);
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DEFINE_RPMPD_VFC(msm8996, vddsscx_vfc, LDOA, 26);
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static struct rpmpd *msm8996_rpmpds[] = {
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[MSM8996_VDDCX] = &msm8996_vddcx,
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[MSM8996_VDDCX_AO] = &msm8996_vddcx_ao,
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[MSM8996_VDDCX_VFC] = &msm8996_vddcx_vfc,
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[MSM8996_VDDMX] = &msm8996_vddmx,
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[MSM8996_VDDMX_AO] = &msm8996_vddmx_ao,
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[MSM8996_VDDSSCX] = &msm8996_vddsscx,
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[MSM8996_VDDSSCX_VFC] = &msm8996_vddsscx_vfc,
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};
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static const struct rpmpd_desc msm8996_desc = {
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.rpmpds = msm8996_rpmpds,
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.num_pds = ARRAY_SIZE(msm8996_rpmpds),
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.max_state = MAX_CORNER_RPMPD_STATE,
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};
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/* msm8998 RPM Power domains */
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DEFINE_RPMPD_PAIR(msm8998, vddcx, vddcx_ao, RWCX, LEVEL, 0);
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DEFINE_RPMPD_VFL(msm8998, vddcx_vfl, RWCX, 0);
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DEFINE_RPMPD_PAIR(msm8998, vddmx, vddmx_ao, RWMX, LEVEL, 0);
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DEFINE_RPMPD_VFL(msm8998, vddmx_vfl, RWMX, 0);
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DEFINE_RPMPD_LEVEL(msm8998, vdd_ssccx, RWSC, 0);
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DEFINE_RPMPD_VFL(msm8998, vdd_ssccx_vfl, RWSC, 0);
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DEFINE_RPMPD_LEVEL(msm8998, vdd_sscmx, RWSM, 0);
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DEFINE_RPMPD_VFL(msm8998, vdd_sscmx_vfl, RWSM, 0);
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static struct rpmpd *msm8998_rpmpds[] = {
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[MSM8998_VDDCX] = &msm8998_vddcx,
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[MSM8998_VDDCX_AO] = &msm8998_vddcx_ao,
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[MSM8998_VDDCX_VFL] = &msm8998_vddcx_vfl,
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[MSM8998_VDDMX] = &msm8998_vddmx,
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[MSM8998_VDDMX_AO] = &msm8998_vddmx_ao,
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[MSM8998_VDDMX_VFL] = &msm8998_vddmx_vfl,
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[MSM8998_SSCCX] = &msm8998_vdd_ssccx,
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[MSM8998_SSCCX_VFL] = &msm8998_vdd_ssccx_vfl,
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[MSM8998_SSCMX] = &msm8998_vdd_sscmx,
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[MSM8998_SSCMX_VFL] = &msm8998_vdd_sscmx_vfl,
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};
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static const struct rpmpd_desc msm8998_desc = {
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.rpmpds = msm8998_rpmpds,
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.num_pds = ARRAY_SIZE(msm8998_rpmpds),
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.max_state = RPM_SMD_LEVEL_BINNING,
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};
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/* qcs404 RPM Power domains */
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DEFINE_RPMPD_PAIR(qcs404, vddmx, vddmx_ao, RWMX, LEVEL, 0);
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DEFINE_RPMPD_VFL(qcs404, vddmx_vfl, RWMX, 0);
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DEFINE_RPMPD_LEVEL(qcs404, vdd_lpicx, RWLC, 0);
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DEFINE_RPMPD_VFL(qcs404, vdd_lpicx_vfl, RWLC, 0);
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DEFINE_RPMPD_LEVEL(qcs404, vdd_lpimx, RWLM, 0);
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DEFINE_RPMPD_VFL(qcs404, vdd_lpimx_vfl, RWLM, 0);
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static struct rpmpd *qcs404_rpmpds[] = {
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[QCS404_VDDMX] = &qcs404_vddmx,
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[QCS404_VDDMX_AO] = &qcs404_vddmx_ao,
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[QCS404_VDDMX_VFL] = &qcs404_vddmx_vfl,
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[QCS404_LPICX] = &qcs404_vdd_lpicx,
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[QCS404_LPICX_VFL] = &qcs404_vdd_lpicx_vfl,
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[QCS404_LPIMX] = &qcs404_vdd_lpimx,
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[QCS404_LPIMX_VFL] = &qcs404_vdd_lpimx_vfl,
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};
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static const struct rpmpd_desc qcs404_desc = {
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.rpmpds = qcs404_rpmpds,
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.num_pds = ARRAY_SIZE(qcs404_rpmpds),
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.max_state = RPM_SMD_LEVEL_BINNING,
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};
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/* sdm660 RPM Power domains */
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DEFINE_RPMPD_PAIR(sdm660, vddcx, vddcx_ao, RWCX, LEVEL, 0);
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DEFINE_RPMPD_VFL(sdm660, vddcx_vfl, RWCX, 0);
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DEFINE_RPMPD_PAIR(sdm660, vddmx, vddmx_ao, RWMX, LEVEL, 0);
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DEFINE_RPMPD_VFL(sdm660, vddmx_vfl, RWMX, 0);
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DEFINE_RPMPD_LEVEL(sdm660, vdd_ssccx, RWLC, 0);
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DEFINE_RPMPD_VFL(sdm660, vdd_ssccx_vfl, RWLC, 0);
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DEFINE_RPMPD_LEVEL(sdm660, vdd_sscmx, RWLM, 0);
|
|
DEFINE_RPMPD_VFL(sdm660, vdd_sscmx_vfl, RWLM, 0);
|
|
|
|
static struct rpmpd *sdm660_rpmpds[] = {
|
|
[SDM660_VDDCX] = &sdm660_vddcx,
|
|
[SDM660_VDDCX_AO] = &sdm660_vddcx_ao,
|
|
[SDM660_VDDCX_VFL] = &sdm660_vddcx_vfl,
|
|
[SDM660_VDDMX] = &sdm660_vddmx,
|
|
[SDM660_VDDMX_AO] = &sdm660_vddmx_ao,
|
|
[SDM660_VDDMX_VFL] = &sdm660_vddmx_vfl,
|
|
[SDM660_SSCCX] = &sdm660_vdd_ssccx,
|
|
[SDM660_SSCCX_VFL] = &sdm660_vdd_ssccx_vfl,
|
|
[SDM660_SSCMX] = &sdm660_vdd_sscmx,
|
|
[SDM660_SSCMX_VFL] = &sdm660_vdd_sscmx_vfl,
|
|
};
|
|
|
|
static const struct rpmpd_desc sdm660_desc = {
|
|
.rpmpds = sdm660_rpmpds,
|
|
.num_pds = ARRAY_SIZE(sdm660_rpmpds),
|
|
.max_state = RPM_SMD_LEVEL_TURBO,
|
|
};
|
|
|
|
/* sm4250/6115 RPM Power domains */
|
|
DEFINE_RPMPD_PAIR(sm6115, vddcx, vddcx_ao, RWCX, LEVEL, 0);
|
|
DEFINE_RPMPD_VFL(sm6115, vddcx_vfl, RWCX, 0);
|
|
|
|
DEFINE_RPMPD_PAIR(sm6115, vddmx, vddmx_ao, RWMX, LEVEL, 0);
|
|
DEFINE_RPMPD_VFL(sm6115, vddmx_vfl, RWMX, 0);
|
|
|
|
DEFINE_RPMPD_LEVEL(sm6115, vdd_lpi_cx, RWLC, 0);
|
|
DEFINE_RPMPD_LEVEL(sm6115, vdd_lpi_mx, RWLM, 0);
|
|
|
|
static struct rpmpd *sm6115_rpmpds[] = {
|
|
[SM6115_VDDCX] = &sm6115_vddcx,
|
|
[SM6115_VDDCX_AO] = &sm6115_vddcx_ao,
|
|
[SM6115_VDDCX_VFL] = &sm6115_vddcx_vfl,
|
|
[SM6115_VDDMX] = &sm6115_vddmx,
|
|
[SM6115_VDDMX_AO] = &sm6115_vddmx_ao,
|
|
[SM6115_VDDMX_VFL] = &sm6115_vddmx_vfl,
|
|
[SM6115_VDD_LPI_CX] = &sm6115_vdd_lpi_cx,
|
|
[SM6115_VDD_LPI_MX] = &sm6115_vdd_lpi_mx,
|
|
};
|
|
|
|
static const struct rpmpd_desc sm6115_desc = {
|
|
.rpmpds = sm6115_rpmpds,
|
|
.num_pds = ARRAY_SIZE(sm6115_rpmpds),
|
|
.max_state = RPM_SMD_LEVEL_TURBO_NO_CPR,
|
|
};
|
|
|
|
/* sm6125 RPM Power domains */
|
|
DEFINE_RPMPD_PAIR(sm6125, vddcx, vddcx_ao, RWCX, LEVEL, 0);
|
|
DEFINE_RPMPD_VFL(sm6125, vddcx_vfl, RWCX, 0);
|
|
|
|
DEFINE_RPMPD_PAIR(sm6125, vddmx, vddmx_ao, RWMX, LEVEL, 0);
|
|
DEFINE_RPMPD_VFL(sm6125, vddmx_vfl, RWMX, 0);
|
|
|
|
static struct rpmpd *sm6125_rpmpds[] = {
|
|
[SM6125_VDDCX] = &sm6125_vddcx,
|
|
[SM6125_VDDCX_AO] = &sm6125_vddcx_ao,
|
|
[SM6125_VDDCX_VFL] = &sm6125_vddcx_vfl,
|
|
[SM6125_VDDMX] = &sm6125_vddmx,
|
|
[SM6125_VDDMX_AO] = &sm6125_vddmx_ao,
|
|
[SM6125_VDDMX_VFL] = &sm6125_vddmx_vfl,
|
|
};
|
|
|
|
static const struct rpmpd_desc sm6125_desc = {
|
|
.rpmpds = sm6125_rpmpds,
|
|
.num_pds = ARRAY_SIZE(sm6125_rpmpds),
|
|
.max_state = RPM_SMD_LEVEL_BINNING,
|
|
};
|
|
|
|
DEFINE_RPMPD_PAIR(sm6375, vddgx, vddgx_ao, RWGX, LEVEL, 0);
|
|
static struct rpmpd *sm6375_rpmpds[] = {
|
|
[SM6375_VDDCX] = &sm6125_vddcx,
|
|
[SM6375_VDDCX_AO] = &sm6125_vddcx_ao,
|
|
[SM6375_VDDCX_VFL] = &sm6125_vddcx_vfl,
|
|
[SM6375_VDDMX] = &sm6125_vddmx,
|
|
[SM6375_VDDMX_AO] = &sm6125_vddmx_ao,
|
|
[SM6375_VDDMX_VFL] = &sm6125_vddmx_vfl,
|
|
[SM6375_VDDGX] = &sm6375_vddgx,
|
|
[SM6375_VDDGX_AO] = &sm6375_vddgx_ao,
|
|
[SM6375_VDD_LPI_CX] = &sm6115_vdd_lpi_cx,
|
|
[SM6375_VDD_LPI_MX] = &sm6115_vdd_lpi_mx,
|
|
};
|
|
|
|
static const struct rpmpd_desc sm6375_desc = {
|
|
.rpmpds = sm6375_rpmpds,
|
|
.num_pds = ARRAY_SIZE(sm6375_rpmpds),
|
|
.max_state = RPM_SMD_LEVEL_TURBO_NO_CPR,
|
|
};
|
|
|
|
static struct rpmpd *qcm2290_rpmpds[] = {
|
|
[QCM2290_VDDCX] = &sm6115_vddcx,
|
|
[QCM2290_VDDCX_AO] = &sm6115_vddcx_ao,
|
|
[QCM2290_VDDCX_VFL] = &sm6115_vddcx_vfl,
|
|
[QCM2290_VDDMX] = &sm6115_vddmx,
|
|
[QCM2290_VDDMX_AO] = &sm6115_vddmx_ao,
|
|
[QCM2290_VDDMX_VFL] = &sm6115_vddmx_vfl,
|
|
[QCM2290_VDD_LPI_CX] = &sm6115_vdd_lpi_cx,
|
|
[QCM2290_VDD_LPI_MX] = &sm6115_vdd_lpi_mx,
|
|
};
|
|
|
|
static const struct rpmpd_desc qcm2290_desc = {
|
|
.rpmpds = qcm2290_rpmpds,
|
|
.num_pds = ARRAY_SIZE(qcm2290_rpmpds),
|
|
.max_state = RPM_SMD_LEVEL_TURBO_NO_CPR,
|
|
};
|
|
|
|
static const struct of_device_id rpmpd_match_table[] = {
|
|
{ .compatible = "qcom,mdm9607-rpmpd", .data = &mdm9607_desc },
|
|
{ .compatible = "qcom,msm8226-rpmpd", .data = &msm8226_desc },
|
|
{ .compatible = "qcom,msm8909-rpmpd", .data = &msm8916_desc },
|
|
{ .compatible = "qcom,msm8916-rpmpd", .data = &msm8916_desc },
|
|
{ .compatible = "qcom,msm8939-rpmpd", .data = &msm8939_desc },
|
|
{ .compatible = "qcom,msm8953-rpmpd", .data = &msm8953_desc },
|
|
{ .compatible = "qcom,msm8976-rpmpd", .data = &msm8976_desc },
|
|
{ .compatible = "qcom,msm8994-rpmpd", .data = &msm8994_desc },
|
|
{ .compatible = "qcom,msm8996-rpmpd", .data = &msm8996_desc },
|
|
{ .compatible = "qcom,msm8998-rpmpd", .data = &msm8998_desc },
|
|
{ .compatible = "qcom,qcm2290-rpmpd", .data = &qcm2290_desc },
|
|
{ .compatible = "qcom,qcs404-rpmpd", .data = &qcs404_desc },
|
|
{ .compatible = "qcom,sdm660-rpmpd", .data = &sdm660_desc },
|
|
{ .compatible = "qcom,sm6115-rpmpd", .data = &sm6115_desc },
|
|
{ .compatible = "qcom,sm6125-rpmpd", .data = &sm6125_desc },
|
|
{ .compatible = "qcom,sm6375-rpmpd", .data = &sm6375_desc },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, rpmpd_match_table);
|
|
|
|
static int rpmpd_send_enable(struct rpmpd *pd, bool enable)
|
|
{
|
|
struct rpmpd_req req = {
|
|
.key = KEY_ENABLE,
|
|
.nbytes = cpu_to_le32(sizeof(u32)),
|
|
.value = cpu_to_le32(enable),
|
|
};
|
|
|
|
return qcom_rpm_smd_write(pd->rpm, QCOM_SMD_RPM_ACTIVE_STATE,
|
|
pd->res_type, pd->res_id, &req, sizeof(req));
|
|
}
|
|
|
|
static int rpmpd_send_corner(struct rpmpd *pd, int state, unsigned int corner)
|
|
{
|
|
struct rpmpd_req req = {
|
|
.key = pd->key,
|
|
.nbytes = cpu_to_le32(sizeof(u32)),
|
|
.value = cpu_to_le32(corner),
|
|
};
|
|
|
|
return qcom_rpm_smd_write(pd->rpm, state, pd->res_type, pd->res_id,
|
|
&req, sizeof(req));
|
|
};
|
|
|
|
static void to_active_sleep(struct rpmpd *pd, unsigned int corner,
|
|
unsigned int *active, unsigned int *sleep)
|
|
{
|
|
*active = corner;
|
|
|
|
if (pd->active_only)
|
|
*sleep = 0;
|
|
else
|
|
*sleep = *active;
|
|
}
|
|
|
|
static int rpmpd_aggregate_corner(struct rpmpd *pd)
|
|
{
|
|
int ret;
|
|
struct rpmpd *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;
|
|
|
|
to_active_sleep(pd, pd->corner, &this_active_corner, &this_sleep_corner);
|
|
|
|
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 = rpmpd_send_corner(pd, QCOM_SMD_RPM_ACTIVE_STATE, active_corner);
|
|
if (ret)
|
|
return ret;
|
|
|
|
sleep_corner = max(this_sleep_corner, peer_sleep_corner);
|
|
|
|
return rpmpd_send_corner(pd, QCOM_SMD_RPM_SLEEP_STATE, sleep_corner);
|
|
}
|
|
|
|
static int rpmpd_power_on(struct generic_pm_domain *domain)
|
|
{
|
|
int ret;
|
|
struct rpmpd *pd = domain_to_rpmpd(domain);
|
|
|
|
mutex_lock(&rpmpd_lock);
|
|
|
|
ret = rpmpd_send_enable(pd, true);
|
|
if (ret)
|
|
goto out;
|
|
|
|
pd->enabled = true;
|
|
|
|
if (pd->corner)
|
|
ret = rpmpd_aggregate_corner(pd);
|
|
|
|
out:
|
|
mutex_unlock(&rpmpd_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rpmpd_power_off(struct generic_pm_domain *domain)
|
|
{
|
|
int ret;
|
|
struct rpmpd *pd = domain_to_rpmpd(domain);
|
|
|
|
mutex_lock(&rpmpd_lock);
|
|
|
|
ret = rpmpd_send_enable(pd, false);
|
|
if (!ret)
|
|
pd->enabled = false;
|
|
|
|
mutex_unlock(&rpmpd_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rpmpd_set_performance(struct generic_pm_domain *domain,
|
|
unsigned int state)
|
|
{
|
|
int ret = 0;
|
|
struct rpmpd *pd = domain_to_rpmpd(domain);
|
|
|
|
if (state > pd->max_state)
|
|
state = pd->max_state;
|
|
|
|
mutex_lock(&rpmpd_lock);
|
|
|
|
pd->corner = state;
|
|
|
|
/* Always send updates for vfc and vfl */
|
|
if (!pd->enabled && pd->key != KEY_FLOOR_CORNER &&
|
|
pd->key != KEY_FLOOR_LEVEL)
|
|
goto out;
|
|
|
|
ret = rpmpd_aggregate_corner(pd);
|
|
|
|
out:
|
|
mutex_unlock(&rpmpd_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static unsigned int rpmpd_get_performance(struct generic_pm_domain *genpd,
|
|
struct dev_pm_opp *opp)
|
|
{
|
|
return dev_pm_opp_get_level(opp);
|
|
}
|
|
|
|
static int rpmpd_probe(struct platform_device *pdev)
|
|
{
|
|
int i;
|
|
size_t num;
|
|
struct genpd_onecell_data *data;
|
|
struct qcom_smd_rpm *rpm;
|
|
struct rpmpd **rpmpds;
|
|
const struct rpmpd_desc *desc;
|
|
|
|
rpm = dev_get_drvdata(pdev->dev.parent);
|
|
if (!rpm) {
|
|
dev_err(&pdev->dev, "Unable to retrieve handle to RPM\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
desc = of_device_get_match_data(&pdev->dev);
|
|
if (!desc)
|
|
return -EINVAL;
|
|
|
|
rpmpds = desc->rpmpds;
|
|
num = desc->num_pds;
|
|
|
|
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
data->domains = devm_kcalloc(&pdev->dev, num, sizeof(*data->domains),
|
|
GFP_KERNEL);
|
|
if (!data->domains)
|
|
return -ENOMEM;
|
|
|
|
data->num_domains = num;
|
|
|
|
for (i = 0; i < num; i++) {
|
|
if (!rpmpds[i]) {
|
|
dev_warn(&pdev->dev, "rpmpds[] with empty entry at index=%d\n",
|
|
i);
|
|
continue;
|
|
}
|
|
|
|
rpmpds[i]->rpm = rpm;
|
|
rpmpds[i]->max_state = desc->max_state;
|
|
rpmpds[i]->pd.power_off = rpmpd_power_off;
|
|
rpmpds[i]->pd.power_on = rpmpd_power_on;
|
|
rpmpds[i]->pd.set_performance_state = rpmpd_set_performance;
|
|
rpmpds[i]->pd.opp_to_performance_state = rpmpd_get_performance;
|
|
pm_genpd_init(&rpmpds[i]->pd, NULL, true);
|
|
|
|
data->domains[i] = &rpmpds[i]->pd;
|
|
}
|
|
|
|
return of_genpd_add_provider_onecell(pdev->dev.of_node, data);
|
|
}
|
|
|
|
static struct platform_driver rpmpd_driver = {
|
|
.driver = {
|
|
.name = "qcom-rpmpd",
|
|
.of_match_table = rpmpd_match_table,
|
|
.suppress_bind_attrs = true,
|
|
},
|
|
.probe = rpmpd_probe,
|
|
};
|
|
|
|
static int __init rpmpd_init(void)
|
|
{
|
|
return platform_driver_register(&rpmpd_driver);
|
|
}
|
|
core_initcall(rpmpd_init);
|
|
|
|
MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPM Power Domain Driver");
|
|
MODULE_LICENSE("GPL v2");
|