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/*
* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#define pr_fmt(fmt) "%s: " fmt, __func__
#include "rpm-regulator-private.h"
/* RPM regulator request formats */
static struct rpm_vreg_parts ldo_parts = {
.request_len = 2,
.mV = REQUEST_MEMBER(0, 0x00000FFF, 0),
.ip = REQUEST_MEMBER(0, 0x00FFF000, 12),
.fm = REQUEST_MEMBER(0, 0x03000000, 24),
.pc = REQUEST_MEMBER(0, 0x3C000000, 26),
.pf = REQUEST_MEMBER(0, 0xC0000000, 30),
.pd = REQUEST_MEMBER(1, 0x00000001, 0),
.ia = REQUEST_MEMBER(1, 0x00001FFE, 1),
};
static struct rpm_vreg_parts smps_parts = {
.request_len = 2,
.mV = REQUEST_MEMBER(0, 0x00000FFF, 0),
.ip = REQUEST_MEMBER(0, 0x00FFF000, 12),
.fm = REQUEST_MEMBER(0, 0x03000000, 24),
.pc = REQUEST_MEMBER(0, 0x3C000000, 26),
.pf = REQUEST_MEMBER(0, 0xC0000000, 30),
.pd = REQUEST_MEMBER(1, 0x00000001, 0),
.ia = REQUEST_MEMBER(1, 0x00001FFE, 1),
.freq = REQUEST_MEMBER(1, 0x001FE000, 13),
.freq_clk_src = REQUEST_MEMBER(1, 0x00600000, 21),
};
static struct rpm_vreg_parts switch_parts = {
.request_len = 1,
.enable_state = REQUEST_MEMBER(0, 0x00000001, 0),
.pd = REQUEST_MEMBER(0, 0x00000002, 1),
.pc = REQUEST_MEMBER(0, 0x0000003C, 2),
.pf = REQUEST_MEMBER(0, 0x000000C0, 6),
.hpm = REQUEST_MEMBER(0, 0x00000300, 8),
};
static struct rpm_vreg_parts ncp_parts = {
.request_len = 1,
.mV = REQUEST_MEMBER(0, 0x00000FFF, 0),
.enable_state = REQUEST_MEMBER(0, 0x00001000, 12),
.comp_mode = REQUEST_MEMBER(0, 0x00002000, 13),
.freq = REQUEST_MEMBER(0, 0x003FC000, 14),
};
/* Physically available PMIC regulator voltage setpoint ranges */
static struct vreg_range pldo_ranges[] = {
VOLTAGE_RANGE( 750000, 1487500, 12500),
VOLTAGE_RANGE(1500000, 3075000, 25000),
VOLTAGE_RANGE(3100000, 4900000, 50000),
};
static struct vreg_range nldo_ranges[] = {
VOLTAGE_RANGE( 750000, 1537500, 12500),
};
static struct vreg_range smps_ranges[] = {
VOLTAGE_RANGE( 375000, 737500, 12500),
VOLTAGE_RANGE( 750000, 1487500, 12500),
VOLTAGE_RANGE(1500000, 3075000, 25000),
};
static struct vreg_range ftsmps_ranges[] = {
VOLTAGE_RANGE( 350000, 650000, 50000),
VOLTAGE_RANGE( 700000, 1400000, 12500),
VOLTAGE_RANGE(1500000, 3300000, 50000),
};
static struct vreg_range ncp_ranges[] = {
VOLTAGE_RANGE(1500000, 3050000, 50000),
};
static struct vreg_set_points pldo_set_points = SET_POINTS(pldo_ranges);
static struct vreg_set_points nldo_set_points = SET_POINTS(nldo_ranges);
static struct vreg_set_points smps_set_points = SET_POINTS(smps_ranges);
static struct vreg_set_points ftsmps_set_points = SET_POINTS(ftsmps_ranges);
static struct vreg_set_points ncp_set_points = SET_POINTS(ncp_ranges);
static struct vreg_set_points *all_set_points[] = {
&pldo_set_points,
&nldo_set_points,
&smps_set_points,
&ftsmps_set_points,
&ncp_set_points,
};
#define LDO(_vreg_id, _rpm_id, _name, _name_pc, _ranges, _hpm_min_load, \
_requires_cxo) \
[RPM_VREG_ID_##_vreg_id] = { \
.req = { \
[0] = { .id = MSM_RPM_ID_##_rpm_id##_0, }, \
[1] = { .id = MSM_RPM_ID_##_rpm_id##_1, }, \
}, \
.hpm_min_load = RPM_VREG_8660_##_hpm_min_load##_HPM_MIN_LOAD, \
.type = RPM_REGULATOR_TYPE_LDO, \
.set_points = &_ranges##_set_points, \
.part = &ldo_parts, \
.id = RPM_VREG_ID_##_vreg_id, \
.rdesc.name = _name, \
.rdesc_pc.name = _name_pc, \
.requires_cxo = _requires_cxo, \
}
#define SMPS(_vreg_id, _rpm_id, _name, _name_pc, _ranges, _hpm_min_load) \
[RPM_VREG_ID_##_vreg_id] = { \
.req = { \
[0] = { .id = MSM_RPM_ID_##_rpm_id##_0, }, \
[1] = { .id = MSM_RPM_ID_##_rpm_id##_1, }, \
}, \
.hpm_min_load = RPM_VREG_8660_##_hpm_min_load##_HPM_MIN_LOAD, \
.type = RPM_REGULATOR_TYPE_SMPS, \
.set_points = &_ranges##_set_points, \
.part = &smps_parts, \
.id = RPM_VREG_ID_##_vreg_id, \
.rdesc.name = _name, \
.rdesc_pc.name = _name_pc, \
}
#define LVS(_vreg_id, _rpm_id, _name, _name_pc) \
[RPM_VREG_ID_##_vreg_id] = { \
.req = { \
[0] = { .id = MSM_RPM_ID_##_rpm_id, }, \
[1] = { .id = -1, }, \
}, \
.type = RPM_REGULATOR_TYPE_VS, \
.part = &switch_parts, \
.id = RPM_VREG_ID_##_vreg_id, \
.rdesc.name = _name, \
.rdesc_pc.name = _name_pc, \
}
#define MVS(_vreg_id, _rpm_id, _name, _name_pc) \
LVS(_vreg_id, _rpm_id, _name, _name_pc)
#define NCP(_vreg_id, _rpm_id, _name, _name_pc) \
[RPM_VREG_ID_##_vreg_id] = { \
.req = { \
[0] = { .id = MSM_RPM_ID_##_rpm_id##_0, }, \
[1] = { .id = MSM_RPM_ID_##_rpm_id##_1, }, \
}, \
.type = RPM_REGULATOR_TYPE_NCP, \
.set_points = &ncp_set_points, \
.part = &ncp_parts, \
.id = RPM_VREG_ID_##_vreg_id, \
.rdesc.name = _name, \
.rdesc_pc.name = _name_pc, \
}
static struct vreg vregs[] = {
LDO(PM8058_L0, LDO0, "8058_l0", "8058_l0_pc", nldo, LDO_150, 1),
LDO(PM8058_L1, LDO1, "8058_l1", "8058_l1_pc", nldo, LDO_300, 1),
LDO(PM8058_L2, LDO2, "8058_l2", "8058_l2_pc", pldo, LDO_300, 0),
LDO(PM8058_L3, LDO3, "8058_l3", "8058_l3_pc", pldo, LDO_150, 0),
LDO(PM8058_L4, LDO4, "8058_l4", "8058_l4_pc", pldo, LDO_50, 0),
LDO(PM8058_L5, LDO5, "8058_l5", "8058_l5_pc", pldo, LDO_300, 0),
LDO(PM8058_L6, LDO6, "8058_l6", "8058_l6_pc", pldo, LDO_50, 0),
LDO(PM8058_L7, LDO7, "8058_l7", "8058_l7_pc", pldo, LDO_50, 0),
LDO(PM8058_L8, LDO8, "8058_l8", "8058_l8_pc", pldo, LDO_300, 0),
LDO(PM8058_L9, LDO9, "8058_l9", "8058_l9_pc", pldo, LDO_300, 0),
LDO(PM8058_L10, LDO10, "8058_l10", "8058_l10_pc", pldo, LDO_300, 0),
LDO(PM8058_L11, LDO11, "8058_l11", "8058_l11_pc", pldo, LDO_150, 0),
LDO(PM8058_L12, LDO12, "8058_l12", "8058_l12_pc", pldo, LDO_150, 0),
LDO(PM8058_L13, LDO13, "8058_l13", "8058_l13_pc", pldo, LDO_300, 0),
LDO(PM8058_L14, LDO14, "8058_l14", "8058_l14_pc", pldo, LDO_300, 0),
LDO(PM8058_L15, LDO15, "8058_l15", "8058_l15_pc", pldo, LDO_300, 0),
LDO(PM8058_L16, LDO16, "8058_l16", "8058_l16_pc", pldo, LDO_300, 0),
LDO(PM8058_L17, LDO17, "8058_l17", "8058_l17_pc", pldo, LDO_150, 0),
LDO(PM8058_L18, LDO18, "8058_l18", "8058_l18_pc", pldo, LDO_150, 0),
LDO(PM8058_L19, LDO19, "8058_l19", "8058_l19_pc", pldo, LDO_150, 0),
LDO(PM8058_L20, LDO20, "8058_l20", "8058_l20_pc", pldo, LDO_150, 0),
LDO(PM8058_L21, LDO21, "8058_l21", "8058_l21_pc", nldo, LDO_150, 1),
LDO(PM8058_L22, LDO22, "8058_l22", "8058_l22_pc", nldo, LDO_300, 1),
LDO(PM8058_L23, LDO23, "8058_l23", "8058_l23_pc", nldo, LDO_300, 1),
LDO(PM8058_L24, LDO24, "8058_l24", "8058_l24_pc", nldo, LDO_150, 1),
LDO(PM8058_L25, LDO25, "8058_l25", "8058_l25_pc", nldo, LDO_150, 1),
SMPS(PM8058_S0, SMPS0, "8058_s0", "8058_s0_pc", smps, SMPS),
SMPS(PM8058_S1, SMPS1, "8058_s1", "8058_s1_pc", smps, SMPS),
SMPS(PM8058_S2, SMPS2, "8058_s2", "8058_s2_pc", smps, SMPS),
SMPS(PM8058_S3, SMPS3, "8058_s3", "8058_s3_pc", smps, SMPS),
SMPS(PM8058_S4, SMPS4, "8058_s4", "8058_s4_pc", smps, SMPS),
LVS(PM8058_LVS0, LVS0, "8058_lvs0", "8058_lvs0_pc"),
LVS(PM8058_LVS1, LVS1, "8058_lvs1", "8058_lvs1_pc"),
NCP(PM8058_NCP, NCP, "8058_ncp", NULL),
LDO(PM8901_L0, LDO0B, "8901_l0", "8901_l0_pc", nldo, LDO_300, 1),
LDO(PM8901_L1, LDO1B, "8901_l1", "8901_l1_pc", pldo, LDO_300, 0),
LDO(PM8901_L2, LDO2B, "8901_l2", "8901_l2_pc", pldo, LDO_300, 0),
LDO(PM8901_L3, LDO3B, "8901_l3", "8901_l3_pc", pldo, LDO_300, 0),
LDO(PM8901_L4, LDO4B, "8901_l4", "8901_l4_pc", pldo, LDO_300, 0),
LDO(PM8901_L5, LDO5B, "8901_l5", "8901_l5_pc", pldo, LDO_300, 0),
LDO(PM8901_L6, LDO6B, "8901_l6", "8901_l6_pc", pldo, LDO_300, 0),
SMPS(PM8901_S0, SMPS0B, "8901_s0", "8901_s0_pc", ftsmps, FTSMPS),
SMPS(PM8901_S1, SMPS1B, "8901_s1", "8901_s1_pc", ftsmps, FTSMPS),
SMPS(PM8901_S2, SMPS2B, "8901_s2", "8901_s2_pc", ftsmps, FTSMPS),
SMPS(PM8901_S3, SMPS3B, "8901_s3", "8901_s3_pc", ftsmps, FTSMPS),
SMPS(PM8901_S4, SMPS4B, "8901_s4", "8901_s4_pc", ftsmps, FTSMPS),
LVS(PM8901_LVS0, LVS0B, "8901_lvs0", "8901_lvs0_pc"),
LVS(PM8901_LVS1, LVS1B, "8901_lvs1", "8901_lvs1_pc"),
LVS(PM8901_LVS2, LVS2B, "8901_lvs2", "8901_lvs2_pc"),
LVS(PM8901_LVS3, LVS3B, "8901_lvs3", "8901_lvs3_pc"),
MVS(PM8901_MVS0, MVS, "8901_mvs0", "8901_mvs0_pc"),
};
static const char *pin_func_label[] = {
[RPM_VREG_PIN_FN_8660_ENABLE] = "on/off",
[RPM_VREG_PIN_FN_8660_MODE] = "HPM/LPM",
[RPM_VREG_PIN_FN_8660_SLEEP_B] = "sleep_b",
[RPM_VREG_PIN_FN_8660_NONE] = "none",
};
static const char *force_mode_label[] = {
[RPM_VREG_FORCE_MODE_8660_NONE] = "none",
[RPM_VREG_FORCE_MODE_8660_LPM] = "LPM",
[RPM_VREG_FORCE_MODE_8660_HPM] = "HPM",
};
static const char *pin_control_label[] = {
" A0",
" A1",
" D0",
" D1",
};
static int is_real_id(int id)
{
return (id >= 0) && (id <= RPM_VREG_ID_8660_MAX_REAL);
}
static int pc_id_to_real_id(int id)
{
int real_id;
if (id >= RPM_VREG_ID_PM8058_L0_PC && id <= RPM_VREG_ID_PM8058_LVS1_PC)
real_id = id - RPM_VREG_ID_PM8058_L0_PC + RPM_VREG_ID_PM8058_L0;
else
real_id = id - RPM_VREG_ID_PM8901_L0_PC + RPM_VREG_ID_PM8901_L0;
return real_id;
}
static struct vreg_config config = {
.vregs = vregs,
.vregs_len = ARRAY_SIZE(vregs),
.vreg_id_min = RPM_VREG_ID_PM8058_L0,
.vreg_id_max = RPM_VREG_ID_8660_MAX,
.pin_func_none = RPM_VREG_PIN_FN_8660_NONE,
.pin_func_sleep_b = RPM_VREG_PIN_FN_8660_SLEEP_B,
.mode_lpm = REGULATOR_MODE_IDLE,
.mode_hpm = REGULATOR_MODE_NORMAL,
.set_points = all_set_points,
.set_points_len = ARRAY_SIZE(all_set_points),
.label_pin_ctrl = pin_control_label,
.label_pin_ctrl_len = ARRAY_SIZE(pin_control_label),
.label_pin_func = pin_func_label,
.label_pin_func_len = ARRAY_SIZE(pin_func_label),
.label_force_mode = force_mode_label,
.label_force_mode_len = ARRAY_SIZE(force_mode_label),
.is_real_id = is_real_id,
.pc_id_to_real_id = pc_id_to_real_id,
.use_legacy_optimum_mode = 1,
.ia_follows_ip = 1,
};
struct vreg_config *get_config_8660(void)
{
return &config;
}