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Commit | Line | Data |
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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 | { | |
e51ae825 PD |
18 | ISLState *s = ISL69260(pmdev); |
19 | ||
20 | switch (pmdev->code) { | |
21 | case PMBUS_IC_DEVICE_ID: | |
22 | if (!s->ic_device_id_len) { | |
23 | break; | |
24 | } | |
25 | pmbus_send(pmdev, s->ic_device_id, s->ic_device_id_len); | |
26 | pmbus_idle(pmdev); | |
27 | return 0; | |
28 | } | |
29 | ||
ffcdae67 TR |
30 | qemu_log_mask(LOG_GUEST_ERROR, |
31 | "%s: reading from unsupported register: 0x%02x\n", | |
32 | __func__, pmdev->code); | |
33 | return PMBUS_ERR_BYTE; | |
34 | } | |
35 | ||
36 | static int isl_pmbus_vr_write_data(PMBusDevice *pmdev, const uint8_t *buf, | |
37 | uint8_t len) | |
38 | { | |
39 | qemu_log_mask(LOG_GUEST_ERROR, | |
40 | "%s: write to unsupported register: 0x%02x\n", | |
41 | __func__, pmdev->code); | |
42 | return PMBUS_ERR_BYTE; | |
43 | } | |
44 | ||
45 | /* TODO: Implement coefficients support in pmbus_device.c for qmp */ | |
46 | static void isl_pmbus_vr_get(Object *obj, Visitor *v, const char *name, | |
47 | void *opaque, Error **errp) | |
48 | { | |
49 | visit_type_uint16(v, name, (uint16_t *)opaque, errp); | |
50 | } | |
51 | ||
52 | static void isl_pmbus_vr_set(Object *obj, Visitor *v, const char *name, | |
53 | void *opaque, Error **errp) | |
54 | { | |
55 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
56 | uint16_t *internal = opaque; | |
57 | uint16_t value; | |
58 | if (!visit_type_uint16(v, name, &value, errp)) { | |
59 | return; | |
60 | } | |
61 | ||
62 | *internal = value; | |
63 | pmbus_check_limits(pmdev); | |
64 | } | |
65 | ||
66 | static void isl_pmbus_vr_exit_reset(Object *obj) | |
67 | { | |
68 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
69 | ||
70 | pmdev->page = 0; | |
71 | pmdev->capability = ISL_CAPABILITY_DEFAULT; | |
72 | for (int i = 0; i < pmdev->num_pages; i++) { | |
73 | pmdev->pages[i].operation = ISL_OPERATION_DEFAULT; | |
74 | pmdev->pages[i].on_off_config = ISL_ON_OFF_CONFIG_DEFAULT; | |
75 | pmdev->pages[i].vout_mode = ISL_VOUT_MODE_DEFAULT; | |
76 | pmdev->pages[i].vout_command = ISL_VOUT_COMMAND_DEFAULT; | |
77 | pmdev->pages[i].vout_max = ISL_VOUT_MAX_DEFAULT; | |
78 | pmdev->pages[i].vout_margin_high = ISL_VOUT_MARGIN_HIGH_DEFAULT; | |
79 | pmdev->pages[i].vout_margin_low = ISL_VOUT_MARGIN_LOW_DEFAULT; | |
80 | pmdev->pages[i].vout_transition_rate = ISL_VOUT_TRANSITION_RATE_DEFAULT; | |
81 | pmdev->pages[i].vout_ov_fault_limit = ISL_VOUT_OV_FAULT_LIMIT_DEFAULT; | |
82 | pmdev->pages[i].ot_fault_limit = ISL_OT_FAULT_LIMIT_DEFAULT; | |
83 | pmdev->pages[i].ot_warn_limit = ISL_OT_WARN_LIMIT_DEFAULT; | |
84 | pmdev->pages[i].vin_ov_warn_limit = ISL_VIN_OV_WARN_LIMIT_DEFAULT; | |
85 | pmdev->pages[i].vin_uv_warn_limit = ISL_VIN_UV_WARN_LIMIT_DEFAULT; | |
86 | pmdev->pages[i].iin_oc_fault_limit = ISL_IIN_OC_FAULT_LIMIT_DEFAULT; | |
87 | pmdev->pages[i].ton_delay = ISL_TON_DELAY_DEFAULT; | |
88 | pmdev->pages[i].ton_rise = ISL_TON_RISE_DEFAULT; | |
89 | pmdev->pages[i].toff_fall = ISL_TOFF_FALL_DEFAULT; | |
90 | pmdev->pages[i].revision = ISL_REVISION_DEFAULT; | |
91 | ||
92 | pmdev->pages[i].read_vout = ISL_READ_VOUT_DEFAULT; | |
93 | pmdev->pages[i].read_iout = ISL_READ_IOUT_DEFAULT; | |
94 | pmdev->pages[i].read_pout = ISL_READ_POUT_DEFAULT; | |
95 | pmdev->pages[i].read_vin = ISL_READ_VIN_DEFAULT; | |
96 | pmdev->pages[i].read_iin = ISL_READ_IIN_DEFAULT; | |
97 | pmdev->pages[i].read_pin = ISL_READ_PIN_DEFAULT; | |
98 | pmdev->pages[i].read_temperature_1 = ISL_READ_TEMP_DEFAULT; | |
99 | pmdev->pages[i].read_temperature_2 = ISL_READ_TEMP_DEFAULT; | |
100 | pmdev->pages[i].read_temperature_3 = ISL_READ_TEMP_DEFAULT; | |
101 | } | |
102 | } | |
103 | ||
8fa21b80 | 104 | /* The raa228000 uses different direct mode coefficients from most isl devices */ |
5f14cd70 TR |
105 | static void raa228000_exit_reset(Object *obj) |
106 | { | |
107 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
108 | ||
109 | isl_pmbus_vr_exit_reset(obj); | |
110 | ||
111 | pmdev->pages[0].read_iout = 0; | |
112 | pmdev->pages[0].read_pout = 0; | |
113 | pmdev->pages[0].read_vout = 0; | |
114 | pmdev->pages[0].read_vin = 0; | |
115 | pmdev->pages[0].read_iin = 0; | |
116 | pmdev->pages[0].read_pin = 0; | |
117 | pmdev->pages[0].read_temperature_1 = 0; | |
118 | pmdev->pages[0].read_temperature_2 = 0; | |
119 | pmdev->pages[0].read_temperature_3 = 0; | |
120 | } | |
121 | ||
b347dd5e PD |
122 | static void isl69259_exit_reset(Object *obj) |
123 | { | |
124 | ISLState *s = ISL69260(obj); | |
125 | static const uint8_t ic_device_id[] = {0x04, 0x00, 0x81, 0xD2, 0x49, 0x3c}; | |
126 | g_assert(sizeof(ic_device_id) <= sizeof(s->ic_device_id)); | |
127 | ||
128 | isl_pmbus_vr_exit_reset(obj); | |
129 | ||
130 | s->ic_device_id_len = sizeof(ic_device_id); | |
131 | memcpy(s->ic_device_id, ic_device_id, sizeof(ic_device_id)); | |
132 | } | |
133 | ||
ffcdae67 TR |
134 | static void isl_pmbus_vr_add_props(Object *obj, uint64_t *flags, uint8_t pages) |
135 | { | |
136 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
137 | for (int i = 0; i < pages; i++) { | |
138 | if (flags[i] & PB_HAS_VIN) { | |
139 | object_property_add(obj, "vin[*]", "uint16", | |
140 | isl_pmbus_vr_get, | |
141 | isl_pmbus_vr_set, | |
142 | NULL, &pmdev->pages[i].read_vin); | |
143 | } | |
144 | ||
145 | if (flags[i] & PB_HAS_VOUT) { | |
146 | object_property_add(obj, "vout[*]", "uint16", | |
147 | isl_pmbus_vr_get, | |
148 | isl_pmbus_vr_set, | |
149 | NULL, &pmdev->pages[i].read_vout); | |
150 | } | |
151 | ||
152 | if (flags[i] & PB_HAS_IIN) { | |
153 | object_property_add(obj, "iin[*]", "uint16", | |
154 | isl_pmbus_vr_get, | |
155 | isl_pmbus_vr_set, | |
156 | NULL, &pmdev->pages[i].read_iin); | |
157 | } | |
158 | ||
159 | if (flags[i] & PB_HAS_IOUT) { | |
160 | object_property_add(obj, "iout[*]", "uint16", | |
161 | isl_pmbus_vr_get, | |
162 | isl_pmbus_vr_set, | |
163 | NULL, &pmdev->pages[i].read_iout); | |
164 | } | |
165 | ||
166 | if (flags[i] & PB_HAS_PIN) { | |
167 | object_property_add(obj, "pin[*]", "uint16", | |
168 | isl_pmbus_vr_get, | |
169 | isl_pmbus_vr_set, | |
170 | NULL, &pmdev->pages[i].read_pin); | |
171 | } | |
172 | ||
173 | if (flags[i] & PB_HAS_POUT) { | |
174 | object_property_add(obj, "pout[*]", "uint16", | |
175 | isl_pmbus_vr_get, | |
176 | isl_pmbus_vr_set, | |
177 | NULL, &pmdev->pages[i].read_pout); | |
178 | } | |
179 | ||
180 | if (flags[i] & PB_HAS_TEMPERATURE) { | |
181 | object_property_add(obj, "temp1[*]", "uint16", | |
182 | isl_pmbus_vr_get, | |
183 | isl_pmbus_vr_set, | |
184 | NULL, &pmdev->pages[i].read_temperature_1); | |
185 | } | |
186 | ||
187 | if (flags[i] & PB_HAS_TEMP2) { | |
188 | object_property_add(obj, "temp2[*]", "uint16", | |
189 | isl_pmbus_vr_get, | |
190 | isl_pmbus_vr_set, | |
191 | NULL, &pmdev->pages[i].read_temperature_2); | |
192 | } | |
193 | ||
194 | if (flags[i] & PB_HAS_TEMP3) { | |
195 | object_property_add(obj, "temp3[*]", "uint16", | |
196 | isl_pmbus_vr_get, | |
197 | isl_pmbus_vr_set, | |
198 | NULL, &pmdev->pages[i].read_temperature_3); | |
199 | } | |
200 | } | |
201 | } | |
202 | ||
203 | static void raa22xx_init(Object *obj) | |
204 | { | |
205 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
206 | uint64_t flags[2]; | |
207 | ||
208 | flags[0] = PB_HAS_VIN | PB_HAS_VOUT | PB_HAS_VOUT_MODE | | |
209 | PB_HAS_VOUT_RATING | PB_HAS_VOUT_MARGIN | PB_HAS_IIN | | |
210 | PB_HAS_IOUT | PB_HAS_PIN | PB_HAS_POUT | PB_HAS_TEMPERATURE | | |
211 | PB_HAS_TEMP2 | PB_HAS_TEMP3 | PB_HAS_STATUS_MFR_SPECIFIC; | |
212 | flags[1] = PB_HAS_IIN | PB_HAS_PIN | PB_HAS_TEMPERATURE | PB_HAS_TEMP3 | | |
213 | PB_HAS_VOUT | PB_HAS_VOUT_MODE | PB_HAS_VOUT_MARGIN | | |
214 | PB_HAS_VOUT_RATING | PB_HAS_IOUT | PB_HAS_POUT | | |
215 | PB_HAS_STATUS_MFR_SPECIFIC; | |
216 | ||
217 | pmbus_page_config(pmdev, 0, flags[0]); | |
218 | pmbus_page_config(pmdev, 1, flags[1]); | |
219 | isl_pmbus_vr_add_props(obj, flags, ARRAY_SIZE(flags)); | |
220 | } | |
221 | ||
5f14cd70 TR |
222 | static void raa228000_init(Object *obj) |
223 | { | |
224 | PMBusDevice *pmdev = PMBUS_DEVICE(obj); | |
225 | uint64_t flags[1]; | |
226 | ||
227 | flags[0] = PB_HAS_VIN | PB_HAS_VOUT | PB_HAS_VOUT_MODE | | |
228 | PB_HAS_VOUT_RATING | PB_HAS_VOUT_MARGIN | PB_HAS_IIN | | |
229 | PB_HAS_IOUT | PB_HAS_PIN | PB_HAS_POUT | PB_HAS_TEMPERATURE | | |
230 | PB_HAS_TEMP2 | PB_HAS_TEMP3 | PB_HAS_STATUS_MFR_SPECIFIC; | |
231 | ||
232 | pmbus_page_config(pmdev, 0, flags[0]); | |
233 | isl_pmbus_vr_add_props(obj, flags, 1); | |
234 | } | |
235 | ||
ffcdae67 TR |
236 | static void isl_pmbus_vr_class_init(ObjectClass *klass, void *data, |
237 | uint8_t pages) | |
238 | { | |
239 | PMBusDeviceClass *k = PMBUS_DEVICE_CLASS(klass); | |
240 | k->write_data = isl_pmbus_vr_write_data; | |
241 | k->receive_byte = isl_pmbus_vr_read_byte; | |
242 | k->device_num_pages = pages; | |
243 | } | |
244 | ||
245 | static void isl69260_class_init(ObjectClass *klass, void *data) | |
246 | { | |
247 | ResettableClass *rc = RESETTABLE_CLASS(klass); | |
248 | DeviceClass *dc = DEVICE_CLASS(klass); | |
249 | dc->desc = "Renesas ISL69260 Digital Multiphase Voltage Regulator"; | |
250 | rc->phases.exit = isl_pmbus_vr_exit_reset; | |
251 | isl_pmbus_vr_class_init(klass, data, 2); | |
252 | } | |
253 | ||
5f14cd70 TR |
254 | static void raa228000_class_init(ObjectClass *klass, void *data) |
255 | { | |
256 | ResettableClass *rc = RESETTABLE_CLASS(klass); | |
257 | DeviceClass *dc = DEVICE_CLASS(klass); | |
258 | dc->desc = "Renesas 228000 Digital Multiphase Voltage Regulator"; | |
259 | rc->phases.exit = raa228000_exit_reset; | |
260 | isl_pmbus_vr_class_init(klass, data, 1); | |
261 | } | |
262 | ||
1c0c52f7 TR |
263 | static void raa229004_class_init(ObjectClass *klass, void *data) |
264 | { | |
265 | ResettableClass *rc = RESETTABLE_CLASS(klass); | |
266 | DeviceClass *dc = DEVICE_CLASS(klass); | |
267 | dc->desc = "Renesas 229004 Digital Multiphase Voltage Regulator"; | |
268 | rc->phases.exit = isl_pmbus_vr_exit_reset; | |
269 | isl_pmbus_vr_class_init(klass, data, 2); | |
270 | } | |
271 | ||
b347dd5e PD |
272 | static void isl69259_class_init(ObjectClass *klass, void *data) |
273 | { | |
274 | ResettableClass *rc = RESETTABLE_CLASS(klass); | |
275 | DeviceClass *dc = DEVICE_CLASS(klass); | |
276 | dc->desc = "Renesas ISL69259 Digital Multiphase Voltage Regulator"; | |
277 | rc->phases.exit = isl69259_exit_reset; | |
278 | isl_pmbus_vr_class_init(klass, data, 2); | |
279 | } | |
280 | ||
281 | static const TypeInfo isl69259_info = { | |
282 | .name = TYPE_ISL69259, | |
283 | .parent = TYPE_ISL69260, | |
284 | .class_init = isl69259_class_init, | |
285 | }; | |
286 | ||
ffcdae67 TR |
287 | static const TypeInfo isl69260_info = { |
288 | .name = TYPE_ISL69260, | |
289 | .parent = TYPE_PMBUS_DEVICE, | |
290 | .instance_size = sizeof(ISLState), | |
291 | .instance_init = raa22xx_init, | |
292 | .class_init = isl69260_class_init, | |
293 | }; | |
294 | ||
1c0c52f7 TR |
295 | static const TypeInfo raa229004_info = { |
296 | .name = TYPE_RAA229004, | |
297 | .parent = TYPE_PMBUS_DEVICE, | |
298 | .instance_size = sizeof(ISLState), | |
299 | .instance_init = raa22xx_init, | |
300 | .class_init = raa229004_class_init, | |
301 | }; | |
302 | ||
5f14cd70 TR |
303 | static const TypeInfo raa228000_info = { |
304 | .name = TYPE_RAA228000, | |
305 | .parent = TYPE_PMBUS_DEVICE, | |
306 | .instance_size = sizeof(ISLState), | |
307 | .instance_init = raa228000_init, | |
308 | .class_init = raa228000_class_init, | |
309 | }; | |
310 | ||
ffcdae67 TR |
311 | static void isl_pmbus_vr_register_types(void) |
312 | { | |
b347dd5e | 313 | type_register_static(&isl69259_info); |
ffcdae67 | 314 | type_register_static(&isl69260_info); |
5f14cd70 | 315 | type_register_static(&raa228000_info); |
1c0c52f7 | 316 | type_register_static(&raa229004_info); |
ffcdae67 TR |
317 | } |
318 | ||
319 | type_init(isl_pmbus_vr_register_types) |