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ffcdae67 TR |
1 | /* |
2 | * PMBus device for Renesas Digital Multiphase Voltage Regulators | |
3 | * | |
4 | * Copyright 2021 Google LLC | |
5 | * | |
6 | * SPDX-License-Identifier: GPL-2.0-or-later | |
7 | */ | |
8 | ||
9 | #include "qemu/osdep.h" | |
10 | #include "hw/sensor/isl_pmbus_vr.h" | |
11 | #include "hw/qdev-properties.h" | |
12 | #include "qapi/visitor.h" | |
13 | #include "qemu/log.h" | |
14 | #include "qemu/module.h" | |
15 | ||
16 | static uint8_t isl_pmbus_vr_read_byte(PMBusDevice *pmdev) | |
17 | { | |
18 | qemu_log_mask(LOG_GUEST_ERROR, | |
19 | "%s: reading from unsupported register: 0x%02x\n", | |
20 | __func__, pmdev->code); | |
21 | return PMBUS_ERR_BYTE; | |
22 | } | |
23 | ||
24 | static int isl_pmbus_vr_write_data(PMBusDevice *pmdev, const uint8_t *buf, | |
25 | uint8_t len) | |
26 | { | |
27 | qemu_log_mask(LOG_GUEST_ERROR, | |
28 | "%s: write to unsupported register: 0x%02x\n", | |
29 | __func__, pmdev->code); | |
30 | return PMBUS_ERR_BYTE; | |
31 | } | |
32 | ||
33 | /* TODO: Implement coefficients support in pmbus_device.c for qmp */ | |
34 | static void isl_pmbus_vr_get(Object *obj, Visitor *v, const char *name, | |
35 | void *opaque, Error **errp) | |
36 | { | |
37 | visit_type_uint16(v, name, (uint16_t *)opaque, errp); | |
38 | } | |
39 | ||
40 | static void isl_pmbus_vr_set(Object *obj, Visitor *v, const char *name, | |
41 | void *opaque, Error **errp) | |
42 | { | |
43 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
44 | uint16_t *internal = opaque; | |
45 | uint16_t value; | |
46 | if (!visit_type_uint16(v, name, &value, errp)) { | |
47 | return; | |
48 | } | |
49 | ||
50 | *internal = value; | |
51 | pmbus_check_limits(pmdev); | |
52 | } | |
53 | ||
54 | static void isl_pmbus_vr_exit_reset(Object *obj) | |
55 | { | |
56 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
57 | ||
58 | pmdev->page = 0; | |
59 | pmdev->capability = ISL_CAPABILITY_DEFAULT; | |
60 | for (int i = 0; i < pmdev->num_pages; i++) { | |
61 | pmdev->pages[i].operation = ISL_OPERATION_DEFAULT; | |
62 | pmdev->pages[i].on_off_config = ISL_ON_OFF_CONFIG_DEFAULT; | |
63 | pmdev->pages[i].vout_mode = ISL_VOUT_MODE_DEFAULT; | |
64 | pmdev->pages[i].vout_command = ISL_VOUT_COMMAND_DEFAULT; | |
65 | pmdev->pages[i].vout_max = ISL_VOUT_MAX_DEFAULT; | |
66 | pmdev->pages[i].vout_margin_high = ISL_VOUT_MARGIN_HIGH_DEFAULT; | |
67 | pmdev->pages[i].vout_margin_low = ISL_VOUT_MARGIN_LOW_DEFAULT; | |
68 | pmdev->pages[i].vout_transition_rate = ISL_VOUT_TRANSITION_RATE_DEFAULT; | |
69 | pmdev->pages[i].vout_ov_fault_limit = ISL_VOUT_OV_FAULT_LIMIT_DEFAULT; | |
70 | pmdev->pages[i].ot_fault_limit = ISL_OT_FAULT_LIMIT_DEFAULT; | |
71 | pmdev->pages[i].ot_warn_limit = ISL_OT_WARN_LIMIT_DEFAULT; | |
72 | pmdev->pages[i].vin_ov_warn_limit = ISL_VIN_OV_WARN_LIMIT_DEFAULT; | |
73 | pmdev->pages[i].vin_uv_warn_limit = ISL_VIN_UV_WARN_LIMIT_DEFAULT; | |
74 | pmdev->pages[i].iin_oc_fault_limit = ISL_IIN_OC_FAULT_LIMIT_DEFAULT; | |
75 | pmdev->pages[i].ton_delay = ISL_TON_DELAY_DEFAULT; | |
76 | pmdev->pages[i].ton_rise = ISL_TON_RISE_DEFAULT; | |
77 | pmdev->pages[i].toff_fall = ISL_TOFF_FALL_DEFAULT; | |
78 | pmdev->pages[i].revision = ISL_REVISION_DEFAULT; | |
79 | ||
80 | pmdev->pages[i].read_vout = ISL_READ_VOUT_DEFAULT; | |
81 | pmdev->pages[i].read_iout = ISL_READ_IOUT_DEFAULT; | |
82 | pmdev->pages[i].read_pout = ISL_READ_POUT_DEFAULT; | |
83 | pmdev->pages[i].read_vin = ISL_READ_VIN_DEFAULT; | |
84 | pmdev->pages[i].read_iin = ISL_READ_IIN_DEFAULT; | |
85 | pmdev->pages[i].read_pin = ISL_READ_PIN_DEFAULT; | |
86 | pmdev->pages[i].read_temperature_1 = ISL_READ_TEMP_DEFAULT; | |
87 | pmdev->pages[i].read_temperature_2 = ISL_READ_TEMP_DEFAULT; | |
88 | pmdev->pages[i].read_temperature_3 = ISL_READ_TEMP_DEFAULT; | |
89 | } | |
90 | } | |
91 | ||
5f14cd70 TR |
92 | /* The raa228000 uses different direct mode coefficents from most isl devices */ |
93 | static void raa228000_exit_reset(Object *obj) | |
94 | { | |
95 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
96 | ||
97 | isl_pmbus_vr_exit_reset(obj); | |
98 | ||
99 | pmdev->pages[0].read_iout = 0; | |
100 | pmdev->pages[0].read_pout = 0; | |
101 | pmdev->pages[0].read_vout = 0; | |
102 | pmdev->pages[0].read_vin = 0; | |
103 | pmdev->pages[0].read_iin = 0; | |
104 | pmdev->pages[0].read_pin = 0; | |
105 | pmdev->pages[0].read_temperature_1 = 0; | |
106 | pmdev->pages[0].read_temperature_2 = 0; | |
107 | pmdev->pages[0].read_temperature_3 = 0; | |
108 | } | |
109 | ||
ffcdae67 TR |
110 | static void isl_pmbus_vr_add_props(Object *obj, uint64_t *flags, uint8_t pages) |
111 | { | |
112 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
113 | for (int i = 0; i < pages; i++) { | |
114 | if (flags[i] & PB_HAS_VIN) { | |
115 | object_property_add(obj, "vin[*]", "uint16", | |
116 | isl_pmbus_vr_get, | |
117 | isl_pmbus_vr_set, | |
118 | NULL, &pmdev->pages[i].read_vin); | |
119 | } | |
120 | ||
121 | if (flags[i] & PB_HAS_VOUT) { | |
122 | object_property_add(obj, "vout[*]", "uint16", | |
123 | isl_pmbus_vr_get, | |
124 | isl_pmbus_vr_set, | |
125 | NULL, &pmdev->pages[i].read_vout); | |
126 | } | |
127 | ||
128 | if (flags[i] & PB_HAS_IIN) { | |
129 | object_property_add(obj, "iin[*]", "uint16", | |
130 | isl_pmbus_vr_get, | |
131 | isl_pmbus_vr_set, | |
132 | NULL, &pmdev->pages[i].read_iin); | |
133 | } | |
134 | ||
135 | if (flags[i] & PB_HAS_IOUT) { | |
136 | object_property_add(obj, "iout[*]", "uint16", | |
137 | isl_pmbus_vr_get, | |
138 | isl_pmbus_vr_set, | |
139 | NULL, &pmdev->pages[i].read_iout); | |
140 | } | |
141 | ||
142 | if (flags[i] & PB_HAS_PIN) { | |
143 | object_property_add(obj, "pin[*]", "uint16", | |
144 | isl_pmbus_vr_get, | |
145 | isl_pmbus_vr_set, | |
146 | NULL, &pmdev->pages[i].read_pin); | |
147 | } | |
148 | ||
149 | if (flags[i] & PB_HAS_POUT) { | |
150 | object_property_add(obj, "pout[*]", "uint16", | |
151 | isl_pmbus_vr_get, | |
152 | isl_pmbus_vr_set, | |
153 | NULL, &pmdev->pages[i].read_pout); | |
154 | } | |
155 | ||
156 | if (flags[i] & PB_HAS_TEMPERATURE) { | |
157 | object_property_add(obj, "temp1[*]", "uint16", | |
158 | isl_pmbus_vr_get, | |
159 | isl_pmbus_vr_set, | |
160 | NULL, &pmdev->pages[i].read_temperature_1); | |
161 | } | |
162 | ||
163 | if (flags[i] & PB_HAS_TEMP2) { | |
164 | object_property_add(obj, "temp2[*]", "uint16", | |
165 | isl_pmbus_vr_get, | |
166 | isl_pmbus_vr_set, | |
167 | NULL, &pmdev->pages[i].read_temperature_2); | |
168 | } | |
169 | ||
170 | if (flags[i] & PB_HAS_TEMP3) { | |
171 | object_property_add(obj, "temp3[*]", "uint16", | |
172 | isl_pmbus_vr_get, | |
173 | isl_pmbus_vr_set, | |
174 | NULL, &pmdev->pages[i].read_temperature_3); | |
175 | } | |
176 | } | |
177 | } | |
178 | ||
179 | static void raa22xx_init(Object *obj) | |
180 | { | |
181 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
182 | uint64_t flags[2]; | |
183 | ||
184 | flags[0] = PB_HAS_VIN | PB_HAS_VOUT | PB_HAS_VOUT_MODE | | |
185 | PB_HAS_VOUT_RATING | PB_HAS_VOUT_MARGIN | PB_HAS_IIN | | |
186 | PB_HAS_IOUT | PB_HAS_PIN | PB_HAS_POUT | PB_HAS_TEMPERATURE | | |
187 | PB_HAS_TEMP2 | PB_HAS_TEMP3 | PB_HAS_STATUS_MFR_SPECIFIC; | |
188 | flags[1] = PB_HAS_IIN | PB_HAS_PIN | PB_HAS_TEMPERATURE | PB_HAS_TEMP3 | | |
189 | PB_HAS_VOUT | PB_HAS_VOUT_MODE | PB_HAS_VOUT_MARGIN | | |
190 | PB_HAS_VOUT_RATING | PB_HAS_IOUT | PB_HAS_POUT | | |
191 | PB_HAS_STATUS_MFR_SPECIFIC; | |
192 | ||
193 | pmbus_page_config(pmdev, 0, flags[0]); | |
194 | pmbus_page_config(pmdev, 1, flags[1]); | |
195 | isl_pmbus_vr_add_props(obj, flags, ARRAY_SIZE(flags)); | |
196 | } | |
197 | ||
5f14cd70 TR |
198 | static void raa228000_init(Object *obj) |
199 | { | |
200 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
201 | uint64_t flags[1]; | |
202 | ||
203 | flags[0] = PB_HAS_VIN | PB_HAS_VOUT | PB_HAS_VOUT_MODE | | |
204 | PB_HAS_VOUT_RATING | PB_HAS_VOUT_MARGIN | PB_HAS_IIN | | |
205 | PB_HAS_IOUT | PB_HAS_PIN | PB_HAS_POUT | PB_HAS_TEMPERATURE | | |
206 | PB_HAS_TEMP2 | PB_HAS_TEMP3 | PB_HAS_STATUS_MFR_SPECIFIC; | |
207 | ||
208 | pmbus_page_config(pmdev, 0, flags[0]); | |
209 | isl_pmbus_vr_add_props(obj, flags, 1); | |
210 | } | |
211 | ||
ffcdae67 TR |
212 | static void isl_pmbus_vr_class_init(ObjectClass *klass, void *data, |
213 | uint8_t pages) | |
214 | { | |
215 | PMBusDeviceClass *k = PMBUS_DEVICE_CLASS(klass); | |
216 | k->write_data = isl_pmbus_vr_write_data; | |
217 | k->receive_byte = isl_pmbus_vr_read_byte; | |
218 | k->device_num_pages = pages; | |
219 | } | |
220 | ||
221 | static void isl69260_class_init(ObjectClass *klass, void *data) | |
222 | { | |
223 | ResettableClass *rc = RESETTABLE_CLASS(klass); | |
224 | DeviceClass *dc = DEVICE_CLASS(klass); | |
225 | dc->desc = "Renesas ISL69260 Digital Multiphase Voltage Regulator"; | |
226 | rc->phases.exit = isl_pmbus_vr_exit_reset; | |
227 | isl_pmbus_vr_class_init(klass, data, 2); | |
228 | } | |
229 | ||
5f14cd70 TR |
230 | static void raa228000_class_init(ObjectClass *klass, void *data) |
231 | { | |
232 | ResettableClass *rc = RESETTABLE_CLASS(klass); | |
233 | DeviceClass *dc = DEVICE_CLASS(klass); | |
234 | dc->desc = "Renesas 228000 Digital Multiphase Voltage Regulator"; | |
235 | rc->phases.exit = raa228000_exit_reset; | |
236 | isl_pmbus_vr_class_init(klass, data, 1); | |
237 | } | |
238 | ||
1c0c52f7 TR |
239 | static void raa229004_class_init(ObjectClass *klass, void *data) |
240 | { | |
241 | ResettableClass *rc = RESETTABLE_CLASS(klass); | |
242 | DeviceClass *dc = DEVICE_CLASS(klass); | |
243 | dc->desc = "Renesas 229004 Digital Multiphase Voltage Regulator"; | |
244 | rc->phases.exit = isl_pmbus_vr_exit_reset; | |
245 | isl_pmbus_vr_class_init(klass, data, 2); | |
246 | } | |
247 | ||
ffcdae67 TR |
248 | static const TypeInfo isl69260_info = { |
249 | .name = TYPE_ISL69260, | |
250 | .parent = TYPE_PMBUS_DEVICE, | |
251 | .instance_size = sizeof(ISLState), | |
252 | .instance_init = raa22xx_init, | |
253 | .class_init = isl69260_class_init, | |
254 | }; | |
255 | ||
1c0c52f7 TR |
256 | static const TypeInfo raa229004_info = { |
257 | .name = TYPE_RAA229004, | |
258 | .parent = TYPE_PMBUS_DEVICE, | |
259 | .instance_size = sizeof(ISLState), | |
260 | .instance_init = raa22xx_init, | |
261 | .class_init = raa229004_class_init, | |
262 | }; | |
263 | ||
5f14cd70 TR |
264 | static const TypeInfo raa228000_info = { |
265 | .name = TYPE_RAA228000, | |
266 | .parent = TYPE_PMBUS_DEVICE, | |
267 | .instance_size = sizeof(ISLState), | |
268 | .instance_init = raa228000_init, | |
269 | .class_init = raa228000_class_init, | |
270 | }; | |
271 | ||
ffcdae67 TR |
272 | static void isl_pmbus_vr_register_types(void) |
273 | { | |
274 | type_register_static(&isl69260_info); | |
5f14cd70 | 275 | type_register_static(&raa228000_info); |
1c0c52f7 | 276 | type_register_static(&raa229004_info); |
ffcdae67 TR |
277 | } |
278 | ||
279 | type_init(isl_pmbus_vr_register_types) |