| /* |
| * 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; |
| } |
