diff options
Diffstat (limited to 'drivers/gpu/nvgpu/pmgr/pwrdev.c')
-rw-r--r-- | drivers/gpu/nvgpu/pmgr/pwrdev.c | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/pmgr/pwrdev.c b/drivers/gpu/nvgpu/pmgr/pwrdev.c new file mode 100644 index 00000000..03e2eb34 --- /dev/null +++ b/drivers/gpu/nvgpu/pmgr/pwrdev.c | |||
@@ -0,0 +1,310 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms and conditions of the GNU General Public License, | ||
6 | * version 2, as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
11 | * more details. | ||
12 | */ | ||
13 | |||
14 | #include "gk20a/gk20a.h" | ||
15 | #include "pwrdev.h" | ||
16 | #include "include/bios.h" | ||
17 | #include "boardobj/boardobjgrp.h" | ||
18 | #include "boardobj/boardobjgrp_e32.h" | ||
19 | #include "pmuif/gpmuifboardobj.h" | ||
20 | #include "pmuif/gpmuifpmgr.h" | ||
21 | #include "gm206/bios_gm206.h" | ||
22 | #include "gk20a/pmu_gk20a.h" | ||
23 | |||
24 | static u32 _pwr_device_pmudata_instget(struct gk20a *g, | ||
25 | struct nv_pmu_boardobjgrp *pmuboardobjgrp, | ||
26 | struct nv_pmu_boardobj **ppboardobjpmudata, | ||
27 | u8 idx) | ||
28 | { | ||
29 | struct nv_pmu_pmgr_pwr_device_desc_table *ppmgrdevice = | ||
30 | (struct nv_pmu_pmgr_pwr_device_desc_table *)pmuboardobjgrp; | ||
31 | |||
32 | gk20a_dbg_info(""); | ||
33 | |||
34 | /*check whether pmuboardobjgrp has a valid boardobj in index*/ | ||
35 | if (((u32)BIT(idx) & | ||
36 | ppmgrdevice->hdr.data.super.obj_mask.super.data[0]) == 0) | ||
37 | return -EINVAL; | ||
38 | |||
39 | *ppboardobjpmudata = (struct nv_pmu_boardobj *) | ||
40 | &ppmgrdevice->devices[idx].data.board_obj; | ||
41 | |||
42 | gk20a_dbg_info(" Done"); | ||
43 | |||
44 | return 0; | ||
45 | } | ||
46 | |||
47 | static u32 _pwr_domains_pmudatainit_ina3221(struct gk20a *g, | ||
48 | struct boardobj *board_obj_ptr, | ||
49 | struct nv_pmu_boardobj *ppmudata) | ||
50 | { | ||
51 | struct nv_pmu_pmgr_pwr_device_desc_ina3221 *ina3221_desc; | ||
52 | struct pwr_device_ina3221 *ina3221; | ||
53 | u32 status = 0; | ||
54 | u32 indx; | ||
55 | |||
56 | status = boardobj_pmudatainit_super(g, board_obj_ptr, ppmudata); | ||
57 | if (status) { | ||
58 | gk20a_err(dev_from_gk20a(g), | ||
59 | "error updating pmu boardobjgrp for pwr domain 0x%x", | ||
60 | status); | ||
61 | goto done; | ||
62 | } | ||
63 | |||
64 | ina3221 = (struct pwr_device_ina3221 *)board_obj_ptr; | ||
65 | ina3221_desc = (struct nv_pmu_pmgr_pwr_device_desc_ina3221 *) ppmudata; | ||
66 | |||
67 | ina3221_desc->super.power_corr_factor = ina3221->super.power_corr_factor; | ||
68 | ina3221_desc->i2c_dev_idx = ina3221->super.i2c_dev_idx; | ||
69 | ina3221_desc->configuration = ina3221->configuration; | ||
70 | ina3221_desc->mask_enable = ina3221->mask_enable; | ||
71 | /* configure NV_PMU_THERM_EVENT_EXT_OVERT */ | ||
72 | ina3221_desc->event_mask = (1 << 0); | ||
73 | ina3221_desc->curr_correct_m = ina3221->curr_correct_m; | ||
74 | ina3221_desc->curr_correct_b = ina3221->curr_correct_b; | ||
75 | |||
76 | for (indx = 0; indx < NV_PMU_PMGR_PWR_DEVICE_INA3221_CH_NUM; indx++) { | ||
77 | ina3221_desc->r_shuntm_ohm[indx] = ina3221->r_shuntm_ohm[indx]; | ||
78 | } | ||
79 | |||
80 | done: | ||
81 | return status; | ||
82 | } | ||
83 | |||
84 | static struct boardobj *construct_pwr_device(struct gk20a *g, | ||
85 | void *pargs, u16 pargs_size, u8 type) | ||
86 | { | ||
87 | struct boardobj *board_obj_ptr = NULL; | ||
88 | u32 status; | ||
89 | u32 indx; | ||
90 | struct pwr_device_ina3221 *pwrdev; | ||
91 | struct pwr_device_ina3221 *ina3221 = (struct pwr_device_ina3221*)pargs; | ||
92 | |||
93 | status = boardobj_construct_super(g, &board_obj_ptr, | ||
94 | pargs_size, pargs); | ||
95 | if (status) | ||
96 | return NULL; | ||
97 | |||
98 | pwrdev = (struct pwr_device_ina3221*)board_obj_ptr; | ||
99 | |||
100 | /* Set Super class interfaces */ | ||
101 | board_obj_ptr->pmudatainit = _pwr_domains_pmudatainit_ina3221; | ||
102 | pwrdev->super.power_rail = ina3221->super.power_rail; | ||
103 | pwrdev->super.i2c_dev_idx = ina3221->super.i2c_dev_idx; | ||
104 | pwrdev->super.power_corr_factor = (1 << 12); | ||
105 | pwrdev->super.bIs_inforom_config = false; | ||
106 | |||
107 | /* Set INA3221-specific information */ | ||
108 | pwrdev->configuration = ina3221->configuration; | ||
109 | pwrdev->mask_enable = ina3221->mask_enable; | ||
110 | pwrdev->gpio_function = ina3221->gpio_function; | ||
111 | pwrdev->curr_correct_m = ina3221->curr_correct_m; | ||
112 | pwrdev->curr_correct_b = ina3221->curr_correct_b; | ||
113 | |||
114 | for (indx = 0; indx < NV_PMU_PMGR_PWR_DEVICE_INA3221_CH_NUM; indx++) { | ||
115 | pwrdev->r_shuntm_ohm[indx] = ina3221->r_shuntm_ohm[indx]; | ||
116 | } | ||
117 | |||
118 | gk20a_dbg_info(" Done"); | ||
119 | |||
120 | return board_obj_ptr; | ||
121 | } | ||
122 | |||
123 | static u32 devinit_get_pwr_device_table(struct gk20a *g, | ||
124 | struct pwr_devices *ppwrdeviceobjs) | ||
125 | { | ||
126 | u32 status = 0; | ||
127 | u8 *pwr_device_table_ptr = NULL; | ||
128 | u8 *curr_pwr_device_table_ptr = NULL; | ||
129 | struct boardobj *boardobj; | ||
130 | struct pwr_sensors_2x_header pwr_sensor_table_header = { 0 }; | ||
131 | struct pwr_sensors_2x_entry pwr_sensor_table_entry = { 0 }; | ||
132 | u32 index; | ||
133 | u32 obj_index = 0; | ||
134 | u16 pwr_device_size; | ||
135 | union { | ||
136 | struct boardobj boardobj; | ||
137 | struct pwr_device pwrdev; | ||
138 | struct pwr_device_ina3221 ina3221; | ||
139 | } pwr_device_data; | ||
140 | |||
141 | gk20a_dbg_info(""); | ||
142 | |||
143 | if (g->ops.bios.get_perf_table_ptrs != NULL) { | ||
144 | pwr_device_table_ptr = (u8 *)g->ops.bios.get_perf_table_ptrs(g, | ||
145 | g->bios.perf_token, POWER_SENSORS_TABLE); | ||
146 | if (pwr_device_table_ptr == NULL) { | ||
147 | status = -EINVAL; | ||
148 | goto done; | ||
149 | } | ||
150 | } | ||
151 | |||
152 | memcpy(&pwr_sensor_table_header, pwr_device_table_ptr, | ||
153 | VBIOS_POWER_SENSORS_2X_HEADER_SIZE_08); | ||
154 | |||
155 | if (pwr_sensor_table_header.version != | ||
156 | VBIOS_POWER_SENSORS_VERSION_2X) { | ||
157 | status = -EINVAL; | ||
158 | goto done; | ||
159 | } | ||
160 | |||
161 | if (pwr_sensor_table_header.header_size < | ||
162 | VBIOS_POWER_SENSORS_2X_HEADER_SIZE_08) { | ||
163 | status = -EINVAL; | ||
164 | goto done; | ||
165 | } | ||
166 | |||
167 | if (pwr_sensor_table_header.table_entry_size != | ||
168 | VBIOS_POWER_SENSORS_2X_ENTRY_SIZE_15) { | ||
169 | status = -EINVAL; | ||
170 | goto done; | ||
171 | } | ||
172 | |||
173 | curr_pwr_device_table_ptr = (pwr_device_table_ptr + | ||
174 | VBIOS_POWER_SENSORS_2X_HEADER_SIZE_08); | ||
175 | |||
176 | for (index = 0; index < pwr_sensor_table_header.num_table_entries; index++) { | ||
177 | bool use_fxp8_8 = false; | ||
178 | u8 i2c_dev_idx; | ||
179 | u8 device_type; | ||
180 | |||
181 | curr_pwr_device_table_ptr += (pwr_sensor_table_header.table_entry_size * index); | ||
182 | |||
183 | pwr_sensor_table_entry.flags0 = *curr_pwr_device_table_ptr; | ||
184 | |||
185 | memcpy(&pwr_sensor_table_entry.class_param0, | ||
186 | (curr_pwr_device_table_ptr + 1), | ||
187 | (VBIOS_POWER_SENSORS_2X_ENTRY_SIZE_15 - 1)); | ||
188 | |||
189 | device_type = (u8)BIOS_GET_FIELD( | ||
190 | pwr_sensor_table_entry.flags0, | ||
191 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_FLAGS0_CLASS); | ||
192 | |||
193 | if (device_type == NV_VBIOS_POWER_SENSORS_2X_ENTRY_FLAGS0_CLASS_I2C) { | ||
194 | i2c_dev_idx = (u8)BIOS_GET_FIELD( | ||
195 | pwr_sensor_table_entry.class_param0, | ||
196 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_CLASS_PARAM0_I2C_INDEX); | ||
197 | use_fxp8_8 = (u8)BIOS_GET_FIELD( | ||
198 | pwr_sensor_table_entry.class_param0, | ||
199 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_CLASS_PARAM0_I2C_USE_FXP8_8); | ||
200 | |||
201 | pwr_device_data.ina3221.super.i2c_dev_idx = i2c_dev_idx; | ||
202 | pwr_device_data.ina3221.r_shuntm_ohm[0].use_fxp8_8 = use_fxp8_8; | ||
203 | pwr_device_data.ina3221.r_shuntm_ohm[1].use_fxp8_8 = use_fxp8_8; | ||
204 | pwr_device_data.ina3221.r_shuntm_ohm[2].use_fxp8_8 = use_fxp8_8; | ||
205 | pwr_device_data.ina3221.r_shuntm_ohm[0].rshunt_value = | ||
206 | (u16)BIOS_GET_FIELD( | ||
207 | pwr_sensor_table_entry.sensor_param0, | ||
208 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_SENSOR_PARAM0_INA3221_RSHUNT0_MOHM); | ||
209 | |||
210 | pwr_device_data.ina3221.r_shuntm_ohm[1].rshunt_value = | ||
211 | (u16)BIOS_GET_FIELD( | ||
212 | pwr_sensor_table_entry.sensor_param0, | ||
213 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_SENSOR_PARAM0_INA3221_RSHUNT1_MOHM); | ||
214 | |||
215 | pwr_device_data.ina3221.r_shuntm_ohm[2].rshunt_value = | ||
216 | (u16)BIOS_GET_FIELD( | ||
217 | pwr_sensor_table_entry.sensor_param1, | ||
218 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_SENSOR_PARAM1_INA3221_RSHUNT2_MOHM); | ||
219 | pwr_device_data.ina3221.configuration = | ||
220 | (u16)BIOS_GET_FIELD( | ||
221 | pwr_sensor_table_entry.sensor_param1, | ||
222 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_SENSOR_PARAM1_INA3221_CONFIGURATION); | ||
223 | |||
224 | pwr_device_data.ina3221.mask_enable = | ||
225 | (u16)BIOS_GET_FIELD( | ||
226 | pwr_sensor_table_entry.sensor_param2, | ||
227 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_SENSOR_PARAM2_INA3221_MASKENABLE); | ||
228 | |||
229 | pwr_device_data.ina3221.gpio_function = | ||
230 | (u8)BIOS_GET_FIELD( | ||
231 | pwr_sensor_table_entry.sensor_param2, | ||
232 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_SENSOR_PARAM2_INA3221_GPIOFUNCTION); | ||
233 | |||
234 | pwr_device_data.ina3221.curr_correct_m = | ||
235 | (u16)BIOS_GET_FIELD( | ||
236 | pwr_sensor_table_entry.sensor_param3, | ||
237 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_SENSOR_PARAM3_INA3221_CURR_CORRECT_M); | ||
238 | |||
239 | pwr_device_data.ina3221.curr_correct_b = | ||
240 | (u16)BIOS_GET_FIELD( | ||
241 | pwr_sensor_table_entry.sensor_param3, | ||
242 | NV_VBIOS_POWER_SENSORS_2X_ENTRY_SENSOR_PARAM3_INA3221_CURR_CORRECT_B); | ||
243 | |||
244 | if (!pwr_device_data.ina3221.curr_correct_m) { | ||
245 | pwr_device_data.ina3221.curr_correct_m = (1 << 12); | ||
246 | } | ||
247 | pwr_device_size = sizeof(struct pwr_device_ina3221); | ||
248 | } else | ||
249 | continue; | ||
250 | |||
251 | pwr_device_data.boardobj.type = CTRL_PMGR_PWR_DEVICE_TYPE_INA3221; | ||
252 | pwr_device_data.pwrdev.power_rail = (u8)0; | ||
253 | |||
254 | boardobj = construct_pwr_device(g, &pwr_device_data, | ||
255 | pwr_device_size, pwr_device_data.boardobj.type); | ||
256 | |||
257 | if (!boardobj) { | ||
258 | gk20a_err(dev_from_gk20a(g), | ||
259 | "unable to create pwr device for %d type %d", index, pwr_device_data.boardobj.type); | ||
260 | status = -EINVAL; | ||
261 | goto done; | ||
262 | } | ||
263 | |||
264 | status = boardobjgrp_objinsert(&ppwrdeviceobjs->super.super, | ||
265 | boardobj, obj_index); | ||
266 | |||
267 | if (status) { | ||
268 | gk20a_err(dev_from_gk20a(g), | ||
269 | "unable to insert pwr device boardobj for %d", index); | ||
270 | status = -EINVAL; | ||
271 | goto done; | ||
272 | } | ||
273 | |||
274 | ++obj_index; | ||
275 | } | ||
276 | |||
277 | done: | ||
278 | gk20a_dbg_info(" done status %x", status); | ||
279 | return status; | ||
280 | } | ||
281 | |||
282 | u32 pmgr_device_sw_setup(struct gk20a *g) | ||
283 | { | ||
284 | u32 status; | ||
285 | struct boardobjgrp *pboardobjgrp = NULL; | ||
286 | struct pwr_devices *ppwrdeviceobjs; | ||
287 | |||
288 | /* Construct the Super Class and override the Interfaces */ | ||
289 | status = boardobjgrpconstruct_e32(&g->pmgr_pmu.pmgr_deviceobjs.super); | ||
290 | if (status) { | ||
291 | gk20a_err(dev_from_gk20a(g), | ||
292 | "error creating boardobjgrp for pmgr devices, status - 0x%x", | ||
293 | status); | ||
294 | goto done; | ||
295 | } | ||
296 | |||
297 | pboardobjgrp = &g->pmgr_pmu.pmgr_deviceobjs.super.super; | ||
298 | ppwrdeviceobjs = &(g->pmgr_pmu.pmgr_deviceobjs); | ||
299 | |||
300 | /* Override the Interfaces */ | ||
301 | pboardobjgrp->pmudatainstget = _pwr_device_pmudata_instget; | ||
302 | |||
303 | status = devinit_get_pwr_device_table(g, ppwrdeviceobjs); | ||
304 | if (status) | ||
305 | goto done; | ||
306 | |||
307 | done: | ||
308 | gk20a_dbg_info(" done status %x", status); | ||
309 | return status; | ||
310 | } | ||