diff options
Diffstat (limited to 'drivers/soc/qcom/rpmpd.c')
| -rw-r--r-- | drivers/soc/qcom/rpmpd.c | 713 |
1 files changed, 0 insertions, 713 deletions
diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c deleted file mode 100644 index f0db6a10cf4e..000000000000 --- a/drivers/soc/qcom/rpmpd.c +++ /dev/null @@ -1,713 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* Copyright (c) 2017-2018, 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/of.h> -#include <linux/of_device.h> -#include <linux/platform_device.h> -#include <linux/pm_opp.h> -#include <linux/soc/qcom/smd-rpm.h> - -#include <dt-bindings/power/qcom-rpmpd.h> - -#define domain_to_rpmpd(domain) container_of(domain, struct rpmpd, pd) - -/* Resource types: - * RPMPD_X is X encoded as a little-endian, lower-case, ASCII string */ -#define RPMPD_SMPA 0x61706d73 -#define RPMPD_LDOA 0x616f646c -#define RPMPD_SMPB 0x62706d73 -#define RPMPD_LDOB 0x626f646c -#define RPMPD_RWCX 0x78637772 -#define RPMPD_RWMX 0x786d7772 -#define RPMPD_RWLC 0x636c7772 -#define RPMPD_RWLM 0x6d6c7772 -#define RPMPD_RWSC 0x63737772 -#define RPMPD_RWSM 0x6d737772 -#define RPMPD_RWGX 0x78677772 - -/* Operation Keys */ -#define KEY_CORNER 0x6e726f63 /* corn */ -#define KEY_ENABLE 0x6e657773 /* swen */ -#define KEY_FLOOR_CORNER 0x636676 /* vfc */ -#define KEY_FLOOR_LEVEL 0x6c6676 /* vfl */ -#define KEY_LEVEL 0x6c766c76 /* vlvl */ - -#define MAX_CORNER_RPMPD_STATE 6 - -#define DEFINE_RPMPD_PAIR(_platform, _name, _active, r_type, r_key, \ - r_id) \ - static struct rpmpd _platform##_##_active; \ - static struct rpmpd _platform##_##_name = { \ - .pd = { .name = #_name, }, \ - .peer = &_platform##_##_active, \ - .res_type = RPMPD_##r_type, \ - .res_id = r_id, \ - .key = KEY_##r_key, \ - }; \ - static struct rpmpd _platform##_##_active = { \ - .pd = { .name = #_active, }, \ - .peer = &_platform##_##_name, \ - .active_only = true, \ - .res_type = RPMPD_##r_type, \ - .res_id = r_id, \ - .key = KEY_##r_key, \ - } - -#define DEFINE_RPMPD_CORNER(_platform, _name, r_type, r_id) \ - static struct rpmpd _platform##_##_name = { \ - .pd = { .name = #_name, }, \ - .res_type = RPMPD_##r_type, \ - .res_id = r_id, \ - .key = KEY_CORNER, \ - } - -#define DEFINE_RPMPD_LEVEL(_platform, _name, r_type, r_id) \ - static struct rpmpd _platform##_##_name = { \ - .pd = { .name = #_name, }, \ - .res_type = RPMPD_##r_type, \ - .res_id = r_id, \ - .key = KEY_LEVEL, \ - } - -#define DEFINE_RPMPD_VFC(_platform, _name, r_type, r_id) \ - static struct rpmpd _platform##_##_name = { \ - .pd = { .name = #_name, }, \ - .res_type = RPMPD_##r_type, \ - .res_id = r_id, \ - .key = KEY_FLOOR_CORNER, \ - } - -#define DEFINE_RPMPD_VFL(_platform, _name, r_type, r_id) \ - static struct rpmpd _platform##_##_name = { \ - .pd = { .name = #_name, }, \ - .res_type = RPMPD_##r_type, \ - .res_id = r_id, \ - .key = KEY_FLOOR_LEVEL, \ - } - -struct rpmpd_req { - __le32 key; - __le32 nbytes; - __le32 value; -}; - -struct rpmpd { - struct generic_pm_domain pd; - struct rpmpd *peer; - const bool active_only; - unsigned int corner; - bool enabled; - const int res_type; - const int res_id; - struct qcom_smd_rpm *rpm; - unsigned int max_state; - __le32 key; -}; - -struct rpmpd_desc { - struct rpmpd **rpmpds; - size_t num_pds; - unsigned int max_state; -}; - -static DEFINE_MUTEX(rpmpd_lock); - -/* mdm9607 RPM Power Domains */ -DEFINE_RPMPD_PAIR(mdm9607, vddcx, vddcx_ao, SMPA, LEVEL, 3); -DEFINE_RPMPD_VFL(mdm9607, vddcx_vfl, SMPA, 3); - -DEFINE_RPMPD_PAIR(mdm9607, vddmx, vddmx_ao, LDOA, LEVEL, 12); -DEFINE_RPMPD_VFL(mdm9607, vddmx_vfl, LDOA, 12); -static struct rpmpd *mdm9607_rpmpds[] = { - [MDM9607_VDDCX] = &mdm9607_vddcx, - [MDM9607_VDDCX_AO] = &mdm9607_vddcx_ao, - [MDM9607_VDDCX_VFL] = &mdm9607_vddcx_vfl, - [MDM9607_VDDMX] = &mdm9607_vddmx, - [MDM9607_VDDMX_AO] = &mdm9607_vddmx_ao, - [MDM9607_VDDMX_VFL] = &mdm9607_vddmx_vfl, -}; - -static const struct rpmpd_desc mdm9607_desc = { - .rpmpds = mdm9607_rpmpds, - .num_pds = ARRAY_SIZE(mdm9607_rpmpds), - .max_state = RPM_SMD_LEVEL_TURBO, -}; - -/* msm8226 RPM Power Domains */ -DEFINE_RPMPD_PAIR(msm8226, vddcx, vddcx_ao, SMPA, CORNER, 1); -DEFINE_RPMPD_VFC(msm8226, vddcx_vfc, SMPA, 1); - -static struct rpmpd *msm8226_rpmpds[] = { - [MSM8226_VDDCX] = &msm8226_vddcx, - [MSM8226_VDDCX_AO] = &msm8226_vddcx_ao, - [MSM8226_VDDCX_VFC] = &msm8226_vddcx_vfc, -}; - -static const struct rpmpd_desc msm8226_desc = { - .rpmpds = msm8226_rpmpds, - .num_pds = ARRAY_SIZE(msm8226_rpmpds), - .max_state = MAX_CORNER_RPMPD_STATE, -}; - -/* msm8939 RPM Power Domains */ -DEFINE_RPMPD_PAIR(msm8939, vddmd, vddmd_ao, SMPA, CORNER, 1); -DEFINE_RPMPD_VFC(msm8939, vddmd_vfc, SMPA, 1); - -DEFINE_RPMPD_PAIR(msm8939, vddcx, vddcx_ao, SMPA, CORNER, 2); -DEFINE_RPMPD_VFC(msm8939, vddcx_vfc, SMPA, 2); - -DEFINE_RPMPD_PAIR(msm8939, vddmx, vddmx_ao, LDOA, CORNER, 3); - -static struct rpmpd *msm8939_rpmpds[] = { - [MSM8939_VDDMDCX] = &msm8939_vddmd, - [MSM8939_VDDMDCX_AO] = &msm8939_vddmd_ao, - [MSM8939_VDDMDCX_VFC] = &msm8939_vddmd_vfc, - [MSM8939_VDDCX] = &msm8939_vddcx, - [MSM8939_VDDCX_AO] = &msm8939_vddcx_ao, - [MSM8939_VDDCX_VFC] = &msm8939_vddcx_vfc, - [MSM8939_VDDMX] = &msm8939_vddmx, - [MSM8939_VDDMX_AO] = &msm8939_vddmx_ao, -}; - -static const struct rpmpd_desc msm8939_desc = { - .rpmpds = msm8939_rpmpds, - .num_pds = ARRAY_SIZE(msm8939_rpmpds), - .max_state = MAX_CORNER_RPMPD_STATE, -}; - -/* msm8916 RPM Power Domains */ -DEFINE_RPMPD_PAIR(msm8916, vddcx, vddcx_ao, SMPA, CORNER, 1); -DEFINE_RPMPD_PAIR(msm8916, vddmx, vddmx_ao, LDOA, CORNER, 3); - -DEFINE_RPMPD_VFC(msm8916, vddcx_vfc, SMPA, 1); - -static struct rpmpd *msm8916_rpmpds[] = { - [MSM8916_VDDCX] = &msm8916_vddcx, - [MSM8916_VDDCX_AO] = &msm8916_vddcx_ao, - [MSM8916_VDDCX_VFC] = &msm8916_vddcx_vfc, - [MSM8916_VDDMX] = &msm8916_vddmx, - [MSM8916_VDDMX_AO] = &msm8916_vddmx_ao, -}; - -static const struct rpmpd_desc msm8916_desc = { - .rpmpds = msm8916_rpmpds, - .num_pds = ARRAY_SIZE(msm8916_rpmpds), - .max_state = MAX_CORNER_RPMPD_STATE, -}; - -/* msm8953 RPM Power Domains */ -DEFINE_RPMPD_PAIR(msm8953, vddmd, vddmd_ao, SMPA, LEVEL, 1); -DEFINE_RPMPD_PAIR(msm8953, vddcx, vddcx_ao, SMPA, LEVEL, 2); -DEFINE_RPMPD_PAIR(msm8953, vddmx, vddmx_ao, SMPA, LEVEL, 7); - -DEFINE_RPMPD_VFL(msm8953, vddcx_vfl, SMPA, 2); - -static struct rpmpd *msm8953_rpmpds[] = { - [MSM8953_VDDMD] = &msm8953_vddmd, - [MSM8953_VDDMD_AO] = &msm8953_vddmd_ao, - [MSM8953_VDDCX] = &msm8953_vddcx, - [MSM8953_VDDCX_AO] = &msm8953_vddcx_ao, - [MSM8953_VDDCX_VFL] = &msm8953_vddcx_vfl, - [MSM8953_VDDMX] = &msm8953_vddmx, - [MSM8953_VDDMX_AO] = &msm8953_vddmx_ao, -}; - -static const struct rpmpd_desc msm8953_desc = { - .rpmpds = msm8953_rpmpds, - .num_pds = ARRAY_SIZE(msm8953_rpmpds), - .max_state = RPM_SMD_LEVEL_TURBO, -}; - -/* msm8976 RPM Power Domains */ -DEFINE_RPMPD_PAIR(msm8976, vddcx, vddcx_ao, SMPA, LEVEL, 2); -DEFINE_RPMPD_PAIR(msm8976, vddmx, vddmx_ao, SMPA, LEVEL, 6); - -DEFINE_RPMPD_VFL(msm8976, vddcx_vfl, RWSC, 2); -DEFINE_RPMPD_VFL(msm8976, vddmx_vfl, RWSM, 6); - -static struct rpmpd *msm8976_rpmpds[] = { - [MSM8976_VDDCX] = &msm8976_vddcx, - [MSM8976_VDDCX_AO] = &msm8976_vddcx_ao, - [MSM8976_VDDCX_VFL] = &msm8976_vddcx_vfl, - [MSM8976_VDDMX] = &msm8976_vddmx, - [MSM8976_VDDMX_AO] = &msm8976_vddmx_ao, - [MSM8976_VDDMX_VFL] = &msm8976_vddmx_vfl, -}; - -static const struct rpmpd_desc msm8976_desc = { - .rpmpds = msm8976_rpmpds, - .num_pds = ARRAY_SIZE(msm8976_rpmpds), - .max_state = RPM_SMD_LEVEL_TURBO_HIGH, -}; - -/* msm8994 RPM Power domains */ -DEFINE_RPMPD_PAIR(msm8994, vddcx, vddcx_ao, SMPA, CORNER, 1); -DEFINE_RPMPD_PAIR(msm8994, vddmx, vddmx_ao, SMPA, CORNER, 2); -/* Attention! *Some* 8994 boards with pm8004 may use SMPC here! */ -DEFINE_RPMPD_CORNER(msm8994, vddgfx, SMPB, 2); - -DEFINE_RPMPD_VFC(msm8994, vddcx_vfc, SMPA, 1); -DEFINE_RPMPD_VFC(msm8994, vddgfx_vfc, SMPB, 2); - -static struct rpmpd *msm8994_rpmpds[] = { - [MSM8994_VDDCX] = &msm8994_vddcx, - [MSM8994_VDDCX_AO] = &msm8994_vddcx_ao, - [MSM8994_VDDCX_VFC] = &msm8994_vddcx_vfc, - [MSM8994_VDDMX] = &msm8994_vddmx, - [MSM8994_VDDMX_AO] = &msm8994_vddmx_ao, - [MSM8994_VDDGFX] = &msm8994_vddgfx, - [MSM8994_VDDGFX_VFC] = &msm8994_vddgfx_vfc, -}; - -static const struct rpmpd_desc msm8994_desc = { - .rpmpds = msm8994_rpmpds, - .num_pds = ARRAY_SIZE(msm8994_rpmpds), - .max_state = MAX_CORNER_RPMPD_STATE, -}; - -/* msm8996 RPM Power domains */ -DEFINE_RPMPD_PAIR(msm8996, vddcx, vddcx_ao, SMPA, CORNER, 1); -DEFINE_RPMPD_PAIR(msm8996, vddmx, vddmx_ao, SMPA, CORNER, 2); -DEFINE_RPMPD_CORNER(msm8996, vddsscx, LDOA, 26); - -DEFINE_RPMPD_VFC(msm8996, vddcx_vfc, SMPA, 1); -DEFINE_RPMPD_VFC(msm8996, vddsscx_vfc, LDOA, 26); - -static struct rpmpd *msm8996_rpmpds[] = { - [MSM8996_VDDCX] = &msm8996_vddcx, - [MSM8996_VDDCX_AO] = &msm8996_vddcx_ao, - [MSM8996_VDDCX_VFC] = &msm8996_vddcx_vfc, - [MSM8996_VDDMX] = &msm8996_vddmx, - [MSM8996_VDDMX_AO] = &msm8996_vddmx_ao, - [MSM8996_VDDSSCX] = &msm8996_vddsscx, - [MSM8996_VDDSSCX_VFC] = &msm8996_vddsscx_vfc, -}; - -static const struct rpmpd_desc msm8996_desc = { - .rpmpds = msm8996_rpmpds, - .num_pds = ARRAY_SIZE(msm8996_rpmpds), - .max_state = MAX_CORNER_RPMPD_STATE, -}; - -/* msm8998 RPM Power domains */ -DEFINE_RPMPD_PAIR(msm8998, vddcx, vddcx_ao, RWCX, LEVEL, 0); -DEFINE_RPMPD_VFL(msm8998, vddcx_vfl, RWCX, 0); - -DEFINE_RPMPD_PAIR(msm8998, vddmx, vddmx_ao, RWMX, LEVEL, 0); -DEFINE_RPMPD_VFL(msm8998, vddmx_vfl, RWMX, 0); - -DEFINE_RPMPD_LEVEL(msm8998, vdd_ssccx, RWSC, 0); -DEFINE_RPMPD_VFL(msm8998, vdd_ssccx_vfl, RWSC, 0); - -DEFINE_RPMPD_LEVEL(msm8998, vdd_sscmx, RWSM, 0); -DEFINE_RPMPD_VFL(msm8998, vdd_sscmx_vfl, RWSM, 0); - -static struct rpmpd *msm8998_rpmpds[] = { - [MSM8998_VDDCX] = &msm8998_vddcx, - [MSM8998_VDDCX_AO] = &msm8998_vddcx_ao, - [MSM8998_VDDCX_VFL] = &msm8998_vddcx_vfl, - [MSM8998_VDDMX] = &msm8998_vddmx, - [MSM8998_VDDMX_AO] = &msm8998_vddmx_ao, - [MSM8998_VDDMX_VFL] = &msm8998_vddmx_vfl, - [MSM8998_SSCCX] = &msm8998_vdd_ssccx, - [MSM8998_SSCCX_VFL] = &msm8998_vdd_ssccx_vfl, - [MSM8998_SSCMX] = &msm8998_vdd_sscmx, - [MSM8998_SSCMX_VFL] = &msm8998_vdd_sscmx_vfl, -}; - -static const struct rpmpd_desc msm8998_desc = { - .rpmpds = msm8998_rpmpds, - .num_pds = ARRAY_SIZE(msm8998_rpmpds), - .max_state = RPM_SMD_LEVEL_BINNING, -}; - -/* qcs404 RPM Power domains */ -DEFINE_RPMPD_PAIR(qcs404, vddmx, vddmx_ao, RWMX, LEVEL, 0); -DEFINE_RPMPD_VFL(qcs404, vddmx_vfl, RWMX, 0); - -DEFINE_RPMPD_LEVEL(qcs404, vdd_lpicx, RWLC, 0); -DEFINE_RPMPD_VFL(qcs404, vdd_lpicx_vfl, RWLC, 0); - -DEFINE_RPMPD_LEVEL(qcs404, vdd_lpimx, RWLM, 0); -DEFINE_RPMPD_VFL(qcs404, vdd_lpimx_vfl, RWLM, 0); - -static struct rpmpd *qcs404_rpmpds[] = { - [QCS404_VDDMX] = &qcs404_vddmx, - [QCS404_VDDMX_AO] = &qcs404_vddmx_ao, - [QCS404_VDDMX_VFL] = &qcs404_vddmx_vfl, - [QCS404_LPICX] = &qcs404_vdd_lpicx, - [QCS404_LPICX_VFL] = &qcs404_vdd_lpicx_vfl, - [QCS404_LPIMX] = &qcs404_vdd_lpimx, - [QCS404_LPIMX_VFL] = &qcs404_vdd_lpimx_vfl, -}; - -static const struct rpmpd_desc qcs404_desc = { - .rpmpds = qcs404_rpmpds, - .num_pds = ARRAY_SIZE(qcs404_rpmpds), - .max_state = RPM_SMD_LEVEL_BINNING, -}; - -/* sdm660 RPM Power domains */ -DEFINE_RPMPD_PAIR(sdm660, vddcx, vddcx_ao, RWCX, LEVEL, 0); -DEFINE_RPMPD_VFL(sdm660, vddcx_vfl, RWCX, 0); - -DEFINE_RPMPD_PAIR(sdm660, vddmx, vddmx_ao, RWMX, LEVEL, 0); -DEFINE_RPMPD_VFL(sdm660, vddmx_vfl, RWMX, 0); - -DEFINE_RPMPD_LEVEL(sdm660, vdd_ssccx, RWLC, 0); -DEFINE_RPMPD_VFL(sdm660, vdd_ssccx_vfl, RWLC, 0); - -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 struct rpmpd *sm4250_rpmpds[] = { - [SM4250_VDDCX] = &sm6115_vddcx, - [SM4250_VDDCX_AO] = &sm6115_vddcx_ao, - [SM4250_VDDCX_VFL] = &sm6115_vddcx_vfl, - [SM4250_VDDMX] = &sm6115_vddmx, - [SM4250_VDDMX_AO] = &sm6115_vddmx_ao, - [SM4250_VDDMX_VFL] = &sm6115_vddmx_vfl, - [SM4250_VDD_LPI_CX] = &sm6115_vdd_lpi_cx, - [SM4250_VDD_LPI_MX] = &sm6115_vdd_lpi_mx, -}; - -static const struct rpmpd_desc sm4250_desc = { - .rpmpds = sm4250_rpmpds, - .num_pds = ARRAY_SIZE(sm4250_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,sm4250-rpmpd", .data = &sm4250_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"); |