M7350/kernel/arch/arm/mach-msm/rpm-regulator-8960.c
2024-09-09 08:52:07 +00:00

357 lines
12 KiB
C

/*
* 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,
.uV = REQUEST_MEMBER(0, 0x007FFFFF, 0),
.pd = REQUEST_MEMBER(0, 0x00800000, 23),
.pc = REQUEST_MEMBER(0, 0x0F000000, 24),
.pf = REQUEST_MEMBER(0, 0xF0000000, 28),
.ip = REQUEST_MEMBER(1, 0x000003FF, 0),
.ia = REQUEST_MEMBER(1, 0x000FFC00, 10),
.fm = REQUEST_MEMBER(1, 0x00700000, 20),
};
static struct rpm_vreg_parts smps_parts = {
.request_len = 2,
.uV = REQUEST_MEMBER(0, 0x007FFFFF, 0),
.pd = REQUEST_MEMBER(0, 0x00800000, 23),
.pc = REQUEST_MEMBER(0, 0x0F000000, 24),
.pf = REQUEST_MEMBER(0, 0xF0000000, 28),
.ip = REQUEST_MEMBER(1, 0x000003FF, 0),
.ia = REQUEST_MEMBER(1, 0x000FFC00, 10),
.fm = REQUEST_MEMBER(1, 0x00700000, 20),
.pm = REQUEST_MEMBER(1, 0x00800000, 23),
.freq = REQUEST_MEMBER(1, 0x1F000000, 24),
.freq_clk_src = REQUEST_MEMBER(1, 0x60000000, 29),
};
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, 0x000003C0, 6),
.hpm = REQUEST_MEMBER(0, 0x00000C00, 10),
};
static struct rpm_vreg_parts ncp_parts = {
.request_len = 1,
.uV = REQUEST_MEMBER(0, 0x007FFFFF, 0),
.enable_state = REQUEST_MEMBER(0, 0x00800000, 23),
.comp_mode = REQUEST_MEMBER(0, 0x01000000, 24),
.freq = REQUEST_MEMBER(0, 0x3E000000, 25),
};
/* 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 nldo1200_ranges[] = {
VOLTAGE_RANGE( 375000, 743750, 6250),
VOLTAGE_RANGE( 750000, 1537500, 12500),
};
static struct vreg_range ln_ldo_ranges[] = {
VOLTAGE_RANGE( 690000, 1110000, 60000),
VOLTAGE_RANGE(1380000, 2220000, 120000),
};
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 nldo1200_set_points = SET_POINTS(nldo1200_ranges);
static struct vreg_set_points ln_ldo_set_points = SET_POINTS(ln_ldo_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,
&nldo1200_set_points,
&ln_ldo_set_points,
&smps_set_points,
&ftsmps_set_points,
&ncp_set_points,
};
#define LDO(_id, _name, _name_pc, _ranges, _hpm_min_load, _requires_cxo) \
[RPM_VREG_ID_PM8921_##_id] = { \
.req = { \
[0] = { .id = MSM_RPM_ID_PM8921_##_id##_0, }, \
[1] = { .id = MSM_RPM_ID_PM8921_##_id##_1, }, \
}, \
.hpm_min_load = RPM_VREG_8960_##_hpm_min_load##_HPM_MIN_LOAD, \
.type = RPM_REGULATOR_TYPE_LDO, \
.set_points = &_ranges##_set_points, \
.part = &ldo_parts, \
.id = RPM_VREG_ID_PM8921_##_id, \
.rdesc.name = _name, \
.rdesc_pc.name = _name_pc, \
.requires_cxo = _requires_cxo, \
}
#define SMPS(_id, _name, _name_pc, _ranges, _hpm_min_load) \
[RPM_VREG_ID_PM8921_##_id] = { \
.req = { \
[0] = { .id = MSM_RPM_ID_PM8921_##_id##_0, }, \
[1] = { .id = MSM_RPM_ID_PM8921_##_id##_1, }, \
}, \
.hpm_min_load = RPM_VREG_8960_##_hpm_min_load##_HPM_MIN_LOAD, \
.type = RPM_REGULATOR_TYPE_SMPS, \
.set_points = &_ranges##_set_points, \
.part = &smps_parts, \
.id = RPM_VREG_ID_PM8921_##_id, \
.rdesc.name = _name, \
.rdesc_pc.name = _name_pc, \
}
#define LVS(_id, _name, _name_pc) \
[RPM_VREG_ID_PM8921_##_id] = { \
.req = { \
[0] = { .id = MSM_RPM_ID_PM8921_##_id, }, \
[1] = { .id = -1, }, \
}, \
.type = RPM_REGULATOR_TYPE_VS, \
.part = &switch_parts, \
.id = RPM_VREG_ID_PM8921_##_id, \
.rdesc.name = _name, \
.rdesc_pc.name = _name_pc, \
}
#define MVS(_vreg_id, _name, _name_pc, _rpm_id) \
[RPM_VREG_ID_PM8921_##_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_PM8921_##_vreg_id, \
.rdesc.name = _name, \
.rdesc_pc.name = _name_pc, \
}
#define NCP(_id, _name, _name_pc) \
[RPM_VREG_ID_PM8921_##_id] = { \
.req = { \
[0] = { .id = MSM_RPM_ID_##_id##_0, }, \
[1] = { .id = MSM_RPM_ID_##_id##_1, }, \
}, \
.type = RPM_REGULATOR_TYPE_NCP, \
.set_points = &ncp_set_points, \
.part = &ncp_parts, \
.id = RPM_VREG_ID_PM8921_##_id, \
.rdesc.name = _name, \
.rdesc_pc.name = _name_pc, \
}
static struct vreg vregs[] = {
LDO(L1, "8921_l1", "8921_l1_pc", nldo, LDO_150, 1),
LDO(L2, "8921_l2", "8921_l2_pc", nldo, LDO_150, 1),
LDO(L3, "8921_l3", "8921_l3_pc", pldo, LDO_150, 0),
LDO(L4, "8921_l4", "8921_l4_pc", pldo, LDO_50, 0),
LDO(L5, "8921_l5", "8921_l5_pc", pldo, LDO_300, 0),
LDO(L6, "8921_l6", "8921_l6_pc", pldo, LDO_600, 0),
LDO(L7, "8921_l7", "8921_l7_pc", pldo, LDO_150, 0),
LDO(L8, "8921_l8", "8921_l8_pc", pldo, LDO_300, 0),
LDO(L9, "8921_l9", "8921_l9_pc", pldo, LDO_300, 0),
LDO(L10, "8921_l10", "8921_l10_pc", pldo, LDO_600, 0),
LDO(L11, "8921_l11", "8921_l11_pc", pldo, LDO_150, 0),
LDO(L12, "8921_l12", "8921_l12_pc", nldo, LDO_150, 1),
LDO(L13, "8921_l13", NULL, ln_ldo, LDO_5, 0),
LDO(L14, "8921_l14", "8921_l14_pc", pldo, LDO_50, 0),
LDO(L15, "8921_l15", "8921_l15_pc", pldo, LDO_150, 0),
LDO(L16, "8921_l16", "8921_l16_pc", pldo, LDO_300, 0),
LDO(L17, "8921_l17", "8921_l17_pc", pldo, LDO_150, 0),
LDO(L18, "8921_l18", "8921_l18_pc", nldo, LDO_150, 1),
LDO(L21, "8921_l21", "8921_l21_pc", pldo, LDO_150, 0),
LDO(L22, "8921_l22", "8921_l22_pc", pldo, LDO_150, 0),
LDO(L23, "8921_l23", "8921_l23_pc", pldo, LDO_150, 0),
LDO(L24, "8921_l24", NULL, nldo1200, LDO_1200, 0),
LDO(L25, "8921_l25", NULL, nldo1200, LDO_1200, 0),
LDO(L26, "8921_l26", NULL, nldo1200, LDO_1200, 0),
LDO(L27, "8921_l27", NULL, nldo1200, LDO_1200, 0),
LDO(L28, "8921_l28", NULL, nldo1200, LDO_1200, 0),
LDO(L29, "8921_l29", "8921_l29_pc", pldo, LDO_150, 0),
SMPS(S1, "8921_s1", "8921_s1_pc", smps, SMPS_1500),
SMPS(S2, "8921_s2", "8921_s2_pc", smps, SMPS_1500),
SMPS(S3, "8921_s3", "8921_s3_pc", smps, SMPS_1500),
SMPS(S4, "8921_s4", "8921_s4_pc", smps, SMPS_1500),
SMPS(S5, "8921_s5", NULL, ftsmps, SMPS_2000),
SMPS(S6, "8921_s6", NULL, ftsmps, SMPS_2000),
SMPS(S7, "8921_s7", "8921_s7_pc", smps, SMPS_1500),
SMPS(S8, "8921_s8", "8921_s8_pc", smps, SMPS_1500),
LVS(LVS1, "8921_lvs1", "8921_lvs1_pc"),
LVS(LVS2, "8921_lvs2", NULL),
LVS(LVS3, "8921_lvs3", "8921_lvs3_pc"),
LVS(LVS4, "8921_lvs4", "8921_lvs4_pc"),
LVS(LVS5, "8921_lvs5", "8921_lvs5_pc"),
LVS(LVS6, "8921_lvs6", "8921_lvs6_pc"),
LVS(LVS7, "8921_lvs7", "8921_lvs7_pc"),
MVS(USB_OTG, "8921_usb_otg", NULL, USB_OTG_SWITCH),
MVS(HDMI_MVS, "8921_hdmi_mvs", NULL, HDMI_SWITCH),
NCP(NCP, "8921_ncp", NULL),
};
static const char *pin_func_label[] = {
[RPM_VREG_PIN_FN_8960_DONT_CARE] = "don't care",
[RPM_VREG_PIN_FN_8960_ENABLE] = "on/off",
[RPM_VREG_PIN_FN_8960_MODE] = "HPM/LPM",
[RPM_VREG_PIN_FN_8960_SLEEP_B] = "sleep_b",
[RPM_VREG_PIN_FN_8960_NONE] = "none",
};
static const char *force_mode_label[] = {
[RPM_VREG_FORCE_MODE_8960_NONE] = "none",
[RPM_VREG_FORCE_MODE_8960_LPM] = "LPM",
[RPM_VREG_FORCE_MODE_8960_AUTO] = "auto",
[RPM_VREG_FORCE_MODE_8960_HPM] = "HPM",
[RPM_VREG_FORCE_MODE_8960_BYPASS] = "BYP",
};
static const char *power_mode_label[] = {
[RPM_VREG_POWER_MODE_8960_HYSTERETIC] = "HYS",
[RPM_VREG_POWER_MODE_8960_PWM] = "PWM",
};
static const char *pin_control_label[] = {
" D1",
" A0",
" A1",
" A2",
};
static int is_real_id(int id)
{
return (id >= 0) && (id <= RPM_VREG_ID_PM8921_MAX_REAL);
}
static int pc_id_to_real_id(int id)
{
int real_id;
if (id >= RPM_VREG_ID_PM8921_L1_PC && id <= RPM_VREG_ID_PM8921_L12_PC)
real_id = id - RPM_VREG_ID_PM8921_L1_PC;
else if (id >= RPM_VREG_ID_PM8921_L14_PC
&& id <= RPM_VREG_ID_PM8921_L23_PC)
real_id = id - RPM_VREG_ID_PM8921_L14_PC
+ RPM_VREG_ID_PM8921_L14;
else if (id >= RPM_VREG_ID_PM8921_L29_PC
&& id <= RPM_VREG_ID_PM8921_S4_PC)
real_id = id - RPM_VREG_ID_PM8921_L29_PC
+ RPM_VREG_ID_PM8921_L29;
else if (id >= RPM_VREG_ID_PM8921_S7_PC
&& id <= RPM_VREG_ID_PM8921_LVS1_PC)
real_id = id - RPM_VREG_ID_PM8921_S7_PC + RPM_VREG_ID_PM8921_S7;
else
real_id = id - RPM_VREG_ID_PM8921_LVS3_PC
+ RPM_VREG_ID_PM8921_LVS3;
return real_id;
}
static struct vreg_config config = {
.vregs = vregs,
.vregs_len = ARRAY_SIZE(vregs),
.vreg_id_min = RPM_VREG_ID_PM8921_L1,
.vreg_id_max = RPM_VREG_ID_PM8921_MAX,
.pin_func_none = RPM_VREG_PIN_FN_8960_NONE,
.pin_func_sleep_b = RPM_VREG_PIN_FN_8960_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),
.label_power_mode = power_mode_label,
.label_power_mode_len = ARRAY_SIZE(power_mode_label),
.is_real_id = is_real_id,
.pc_id_to_real_id = pc_id_to_real_id,
};
struct vreg_config *get_config_8960(void)
{
return &config;
}
struct vreg_config *get_config_8960_pm8917(void)
{
int i;
/*
* PM8917 regulators L24, L25, L26, L27, and L28 require CXO to be ON
* while they are enabled. These same regulators on PM8921 do not
* require CXO to be ON. Therefore, set the require_cxo flag for these
* regulators only when using PM8917.
*
* Do not apply the workaround to L24 (VDD_MX) because it is always on
* and using the TCXO workaround with it would result in additional
* latency during every Krait upscaling event.
*/
for (i = 0; i < ARRAY_SIZE(vregs); i++) {
switch (vregs[i].id) {
case RPM_VREG_ID_PM8921_L25:
case RPM_VREG_ID_PM8921_L26:
case RPM_VREG_ID_PM8921_L27:
case RPM_VREG_ID_PM8921_L28:
vregs[i].requires_cxo = true;
default:
break;
}
}
return &config;
}