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gerrit-public.fairphone.software / kernel / msm / d8052c0c15f04de1a11970cc5e1916f8468e38bd / . / arch / arm / mach-msm / rpm-regulator-9615.c
blob: 23c0ee33ae2ad7f048a7a7d45bf8d2b81084c53d [file] [log] [blame]
David Collins6ef12bf2011-08-31 14:08:15 -0700[diff] [blame]1/*
2 * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 and
6 * only version 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14#define pr_fmt(fmt) "%s: " fmt, __func__
15
16#include "rpm-regulator-private.h"
17
18/* RPM regulator request formats */
19static struct rpm_vreg_parts ldo_parts = {
20 .request_len = 2,
21 .uV = REQUEST_MEMBER(0, 0x007FFFFF, 0),
22 .pd = REQUEST_MEMBER(0, 0x00800000, 23),
23 .pc = REQUEST_MEMBER(0, 0x0F000000, 24),
24 .pf = REQUEST_MEMBER(0, 0xF0000000, 28),
25 .ip = REQUEST_MEMBER(1, 0x000003FF, 0),
26 .ia = REQUEST_MEMBER(1, 0x000FFC00, 10),
27 .fm = REQUEST_MEMBER(1, 0x00700000, 20),
28};
29
30static struct rpm_vreg_parts smps_parts = {
31 .request_len = 2,
32 .uV = REQUEST_MEMBER(0, 0x007FFFFF, 0),
33 .pd = REQUEST_MEMBER(0, 0x00800000, 23),
34 .pc = REQUEST_MEMBER(0, 0x0F000000, 24),
35 .pf = REQUEST_MEMBER(0, 0xF0000000, 28),
36 .ip = REQUEST_MEMBER(1, 0x000003FF, 0),
37 .ia = REQUEST_MEMBER(1, 0x000FFC00, 10),
38 .fm = REQUEST_MEMBER(1, 0x00700000, 20),
39 .pm = REQUEST_MEMBER(1, 0x00800000, 23),
40 .freq = REQUEST_MEMBER(1, 0x1F000000, 24),
41 .freq_clk_src = REQUEST_MEMBER(1, 0x60000000, 29),
42};
43
44static struct rpm_vreg_parts switch_parts = {
45 .request_len = 1,
46 .enable_state = REQUEST_MEMBER(0, 0x00000001, 0),
47 .pd = REQUEST_MEMBER(0, 0x00000002, 1),
48 .pc = REQUEST_MEMBER(0, 0x0000003C, 2),
49 .pf = REQUEST_MEMBER(0, 0x000003C0, 6),
50 .hpm = REQUEST_MEMBER(0, 0x00000C00, 10),
51};
52
53/* Physically available PMIC regulator voltage setpoint ranges */
54static struct vreg_range pldo_ranges[] = {
55 VOLTAGE_RANGE( 750000, 1487500, 12500),
56 VOLTAGE_RANGE(1500000, 3075000, 25000),
57 VOLTAGE_RANGE(3100000, 4900000, 50000),
58};
59
60static struct vreg_range nldo_ranges[] = {
61 VOLTAGE_RANGE( 750000, 1537500, 12500),
62};
63
64static struct vreg_range nldo1200_ranges[] = {
65 VOLTAGE_RANGE( 375000, 743750, 6250),
66 VOLTAGE_RANGE( 750000, 1537500, 12500),
67};
68
69static struct vreg_range smps_ranges[] = {
70 VOLTAGE_RANGE( 375000, 737500, 12500),
71 VOLTAGE_RANGE( 750000, 1487500, 12500),
72 VOLTAGE_RANGE(1500000, 3075000, 25000),
73};
74
75static struct vreg_set_points pldo_set_points = SET_POINTS(pldo_ranges);
76static struct vreg_set_points nldo_set_points = SET_POINTS(nldo_ranges);
77static struct vreg_set_points nldo1200_set_points = SET_POINTS(nldo1200_ranges);
78static struct vreg_set_points smps_set_points = SET_POINTS(smps_ranges);
79
80static struct vreg_set_points *all_set_points[] = {
81 &pldo_set_points,
82 &nldo_set_points,
83 &nldo1200_set_points,
84 &smps_set_points,
85};
86
87#define LDO(_id, _name, _name_pc, _ranges, _hpm_min_load) \
88 [RPM_VREG_ID_PM8018_##_id] = { \
89 .req = { \
90 [0] = { .id = MSM_RPM_ID_PM8018_##_id##_0, }, \
91 [1] = { .id = MSM_RPM_ID_PM8018_##_id##_1, }, \
92 }, \
93 .hpm_min_load = RPM_VREG_9615_##_hpm_min_load##_HPM_MIN_LOAD, \
94 .type = RPM_REGULATOR_TYPE_LDO, \
95 .set_points = &_ranges##_set_points, \
96 .part = &ldo_parts, \
97 .id = RPM_VREG_ID_PM8018_##_id, \
98 .rdesc.name = _name, \
99 .rdesc_pc.name = _name_pc, \
100 }
101
102#define SMPS(_id, _name, _name_pc, _ranges, _hpm_min_load) \
103 [RPM_VREG_ID_PM8018_##_id] = { \
104 .req = { \
105 [0] = { .id = MSM_RPM_ID_PM8018_##_id##_0, }, \
106 [1] = { .id = MSM_RPM_ID_PM8018_##_id##_1, }, \
107 }, \
108 .hpm_min_load = RPM_VREG_9615_##_hpm_min_load##_HPM_MIN_LOAD, \
109 .type = RPM_REGULATOR_TYPE_SMPS, \
110 .set_points = &_ranges##_set_points, \
111 .part = &smps_parts, \
112 .id = RPM_VREG_ID_PM8018_##_id, \
113 .rdesc.name = _name, \
114 .rdesc_pc.name = _name_pc, \
115 }
116
117#define LVS(_id, _name, _name_pc) \
118 [RPM_VREG_ID_PM8018_##_id] = { \
119 .req = { \
120 [0] = { .id = MSM_RPM_ID_PM8018_##_id, }, \
121 [1] = { .id = -1, }, \
122 }, \
123 .type = RPM_REGULATOR_TYPE_VS, \
124 .part = &switch_parts, \
125 .id = RPM_VREG_ID_PM8018_##_id, \
126 .rdesc.name = _name, \
127 .rdesc_pc.name = _name_pc, \
128 }
129
130static struct vreg vregs[] = {
131 LDO(L2, "8018_l2", "8018_l2_pc", pldo, LDO_50),
132 LDO(L3, "8018_l3", "8018_l3_pc", pldo, LDO_50),
133 LDO(L4, "8018_l4", "8018_l4_pc", pldo, LDO_300),
134 LDO(L5, "8018_l5", "8018_l5_pc", pldo, LDO_150),
135 LDO(L6, "8018_l6", "8018_l6_pc", pldo, LDO_150),
136 LDO(L7, "8018_l7", "8018_l7_pc", pldo, LDO_300),
137 LDO(L8, "8018_l8", "8018_l8_pc", nldo, LDO_150),
138 LDO(L9, "8018_l9", NULL, nldo1200, LDO_1200),
139 LDO(L10, "8018_l10", NULL, nldo1200, LDO_1200),
140 LDO(L11, "8018_l11", NULL, nldo1200, LDO_1200),
141 LDO(L12, "8018_l12", NULL, nldo1200, LDO_1200),
142 LDO(L13, "8018_l13", "8018_l13_pc", pldo, LDO_50),
143 LDO(L14, "8018_l14", "8018_l14_pc", pldo, LDO_50),
144
145 SMPS(S1, "8018_s1", "8018_s1_pc", smps, SMPS_1500),
146 SMPS(S2, "8018_s2", "8018_s2_pc", smps, SMPS_1500),
147 SMPS(S3, "8018_s3", "8018_s3_pc", smps, SMPS_1500),
148 SMPS(S4, "8018_s4", "8018_s4_pc", smps, SMPS_1500),
149 SMPS(S5, "8018_s5", "8018_s5_pc", smps, SMPS_1500),
150
151 LVS(LVS1, "8018_lvs1", "8018_lvs1_pc"),
152};
153
154static const char *pin_control_label[] = {
155 " D1",
156 " A0",
157 " A1",
158 " A2",
159};
160
161static const char *pin_func_label[] = {
162 [RPM_VREG_PIN_FN_9615_DONT_CARE] = "don't care",
163 [RPM_VREG_PIN_FN_9615_ENABLE] = "on/off",
164 [RPM_VREG_PIN_FN_9615_MODE] = "HPM/LPM",
165 [RPM_VREG_PIN_FN_9615_SLEEP_B] = "sleep_b",
166 [RPM_VREG_PIN_FN_9615_NONE] = "none",
167};
168
169static const char *force_mode_label[] = {
170 [RPM_VREG_FORCE_MODE_9615_NONE] = "none",
171 [RPM_VREG_FORCE_MODE_9615_LPM] = "LPM",
172 [RPM_VREG_FORCE_MODE_9615_AUTO] = "auto",
173 [RPM_VREG_FORCE_MODE_9615_HPM] = "HPM",
174 [RPM_VREG_FORCE_MODE_9615_BYPASS] = "BYP",
175};
176
177static const char *power_mode_label[] = {
178 [RPM_VREG_POWER_MODE_9615_HYSTERETIC] = "HYS",
179 [RPM_VREG_POWER_MODE_9615_PWM] = "PWM",
180};
181
182static int is_real_id(int id)
183{
184 return (id >= 0) && (id <= RPM_VREG_ID_PM8018_MAX_REAL);
185}
186
187static int pc_id_to_real_id(int id)
188{
189 int real_id;
190
191 if (id >= RPM_VREG_ID_PM8018_L2_PC && id <= RPM_VREG_ID_PM8018_L8_PC)
192 real_id = id - RPM_VREG_ID_PM8018_L2_PC + RPM_VREG_ID_PM8018_L2;
193 else
194 real_id = id - RPM_VREG_ID_PM8018_L13_PC
195 + RPM_VREG_ID_PM8018_L13;
196
197 return real_id;
198}
199
200static struct vreg_config config = {
201 .vregs = vregs,
202 .vregs_len = ARRAY_SIZE(vregs),
203
204 .vreg_id_min = RPM_VREG_ID_PM8018_L2,
205 .vreg_id_max = RPM_VREG_ID_PM8018_MAX,
206
207 .pin_func_none = RPM_VREG_PIN_FN_9615_NONE,
208 .pin_func_sleep_b = RPM_VREG_PIN_FN_9615_SLEEP_B,
209
210 .mode_lpm = REGULATOR_MODE_IDLE,
211 .mode_hpm = REGULATOR_MODE_NORMAL,
212
213 .set_points = all_set_points,
214 .set_points_len = ARRAY_SIZE(all_set_points),
215
216 .label_pin_ctrl = pin_control_label,
217 .label_pin_ctrl_len = ARRAY_SIZE(pin_control_label),
218 .label_pin_func = pin_func_label,
219 .label_pin_func_len = ARRAY_SIZE(pin_func_label),
220 .label_force_mode = force_mode_label,
221 .label_force_mode_len = ARRAY_SIZE(force_mode_label),
222 .label_power_mode = power_mode_label,
223 .label_power_mode_len = ARRAY_SIZE(power_mode_label),
224
225 .is_real_id = is_real_id,
226 .pc_id_to_real_id = pc_id_to_real_id,
227};
228
229struct vreg_config *get_config_9615(void)
230{
231 return &config;
232}