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1/*
2 * OMAP5 thermal driver.
3 *
4 * Copyright (C) 2011-2012 Texas Instruments Inc.
5 * Contact:
6 * Eduardo Valentin <eduardo.valentin@ti.com>
7 *
8 * This software is licensed under the terms of the GNU General Public
9 * License version 2, as published by the Free Software Foundation, and
10 * may be copied, distributed, and modified under those terms.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 */
18
19#include "ti-thermal.h"
20#include "ti-bandgap.h"
21#include "omap5xxx-bandgap.h"
22
23/*
24 * OMAP5430 has three instances of thermal sensor for MPU, GPU & CORE,
25 * need to describe the individual registers and bit fields.
26 */
27
28/*
29 * OMAP5430 MPU thermal sensor register offset and bit-fields
30 */
31static struct temp_sensor_registers
32omap5430_mpu_temp_sensor_registers = {
33 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_MPU_OFFSET,
34 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
35 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
36 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
37
38 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
39 .mask_hot_mask = OMAP5430_MASK_HOT_MPU_MASK,
40 .mask_cold_mask = OMAP5430_MASK_COLD_MPU_MASK,
41 .mask_sidlemode_mask = OMAP5430_MASK_SIDLEMODE_MASK,
42 .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
43 .mask_freeze_mask = OMAP5430_MASK_FREEZE_MPU_MASK,
44 .mask_clear_mask = OMAP5430_MASK_CLEAR_MPU_MASK,
45 .mask_clear_accum_mask = OMAP5430_MASK_CLEAR_ACCUM_MPU_MASK,
46
47
48 .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
49 .counter_mask = OMAP5430_COUNTER_MASK,
50
51 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_MPU_OFFSET,
52 .threshold_thot_mask = OMAP5430_T_HOT_MASK,
53 .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
54
55 .tshut_threshold = OMAP5430_BGAP_TSHUT_MPU_OFFSET,
56 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
57 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
58
59 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
60 .status_clean_stop_mask = 0x0,
61 .status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK,
62 .status_hot_mask = OMAP5430_HOT_MPU_FLAG_MASK,
63 .status_cold_mask = OMAP5430_COLD_MPU_FLAG_MASK,
64
65 .bgap_cumul_dtemp = OMAP5430_BGAP_CUMUL_DTEMP_MPU_OFFSET,
66 .ctrl_dtemp_0 = OMAP5430_BGAP_DTEMP_MPU_0_OFFSET,
67 .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_MPU_1_OFFSET,
68 .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_MPU_2_OFFSET,
69 .ctrl_dtemp_3 = OMAP5430_BGAP_DTEMP_MPU_3_OFFSET,
70 .ctrl_dtemp_4 = OMAP5430_BGAP_DTEMP_MPU_4_OFFSET,
71 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_MPU,
72};
73
74/*
75 * OMAP5430 GPU thermal sensor register offset and bit-fields
76 */
77static struct temp_sensor_registers
78omap5430_gpu_temp_sensor_registers = {
79 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_GPU_OFFSET,
80 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
81 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
82 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
83
84 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
85 .mask_hot_mask = OMAP5430_MASK_HOT_GPU_MASK,
86 .mask_cold_mask = OMAP5430_MASK_COLD_GPU_MASK,
87 .mask_sidlemode_mask = OMAP5430_MASK_SIDLEMODE_MASK,
88 .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
89 .mask_freeze_mask = OMAP5430_MASK_FREEZE_GPU_MASK,
90 .mask_clear_mask = OMAP5430_MASK_CLEAR_GPU_MASK,
91 .mask_clear_accum_mask = OMAP5430_MASK_CLEAR_ACCUM_GPU_MASK,
92
93 .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
94 .counter_mask = OMAP5430_COUNTER_MASK,
95
96 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_GPU_OFFSET,
97 .threshold_thot_mask = OMAP5430_T_HOT_MASK,
98 .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
99
100 .tshut_threshold = OMAP5430_BGAP_TSHUT_GPU_OFFSET,
101 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
102 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
103
104 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
105 .status_clean_stop_mask = 0x0,
106 .status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK,
107 .status_hot_mask = OMAP5430_HOT_GPU_FLAG_MASK,
108 .status_cold_mask = OMAP5430_COLD_GPU_FLAG_MASK,
109
110 .bgap_cumul_dtemp = OMAP5430_BGAP_CUMUL_DTEMP_GPU_OFFSET,
111 .ctrl_dtemp_0 = OMAP5430_BGAP_DTEMP_GPU_0_OFFSET,
112 .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_GPU_1_OFFSET,
113 .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_GPU_2_OFFSET,
114 .ctrl_dtemp_3 = OMAP5430_BGAP_DTEMP_GPU_3_OFFSET,
115 .ctrl_dtemp_4 = OMAP5430_BGAP_DTEMP_GPU_4_OFFSET,
116
117 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_GPU,
118};
119
120/*
121 * OMAP5430 CORE thermal sensor register offset and bit-fields
122 */
123static struct temp_sensor_registers
124omap5430_core_temp_sensor_registers = {
125 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_CORE_OFFSET,
126 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
127 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
128 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
129
130 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
131 .mask_hot_mask = OMAP5430_MASK_HOT_CORE_MASK,
132 .mask_cold_mask = OMAP5430_MASK_COLD_CORE_MASK,
133 .mask_sidlemode_mask = OMAP5430_MASK_SIDLEMODE_MASK,
134 .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
135 .mask_freeze_mask = OMAP5430_MASK_FREEZE_CORE_MASK,
136 .mask_clear_mask = OMAP5430_MASK_CLEAR_CORE_MASK,
137 .mask_clear_accum_mask = OMAP5430_MASK_CLEAR_ACCUM_CORE_MASK,
138
139 .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
140 .counter_mask = OMAP5430_COUNTER_MASK,
141
142 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_CORE_OFFSET,
143 .threshold_thot_mask = OMAP5430_T_HOT_MASK,
144 .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
145
146 .tshut_threshold = OMAP5430_BGAP_TSHUT_CORE_OFFSET,
147 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
148 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
149
150 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
151 .status_clean_stop_mask = 0x0,
152 .status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK,
153 .status_hot_mask = OMAP5430_HOT_CORE_FLAG_MASK,
154 .status_cold_mask = OMAP5430_COLD_CORE_FLAG_MASK,
155
156 .bgap_cumul_dtemp = OMAP5430_BGAP_CUMUL_DTEMP_CORE_OFFSET,
157 .ctrl_dtemp_0 = OMAP5430_BGAP_DTEMP_CORE_0_OFFSET,
158 .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_CORE_1_OFFSET,
159 .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_CORE_2_OFFSET,
160 .ctrl_dtemp_3 = OMAP5430_BGAP_DTEMP_CORE_3_OFFSET,
161 .ctrl_dtemp_4 = OMAP5430_BGAP_DTEMP_CORE_4_OFFSET,
162
163 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_CORE,
164};
165
166/* Thresholds and limits for OMAP5430 MPU temperature sensor */
167static struct temp_sensor_data omap5430_mpu_temp_sensor_data = {
168 .tshut_hot = OMAP5430_MPU_TSHUT_HOT,
169 .tshut_cold = OMAP5430_MPU_TSHUT_COLD,
170 .t_hot = OMAP5430_MPU_T_HOT,
171 .t_cold = OMAP5430_MPU_T_COLD,
172 .min_freq = OMAP5430_MPU_MIN_FREQ,
173 .max_freq = OMAP5430_MPU_MAX_FREQ,
174 .max_temp = OMAP5430_MPU_MAX_TEMP,
175 .min_temp = OMAP5430_MPU_MIN_TEMP,
176 .hyst_val = OMAP5430_MPU_HYST_VAL,
177 .update_int1 = 1000,
178 .update_int2 = 2000,
179};
180
181/* Thresholds and limits for OMAP5430 GPU temperature sensor */
182static struct temp_sensor_data omap5430_gpu_temp_sensor_data = {
183 .tshut_hot = OMAP5430_GPU_TSHUT_HOT,
184 .tshut_cold = OMAP5430_GPU_TSHUT_COLD,
185 .t_hot = OMAP5430_GPU_T_HOT,
186 .t_cold = OMAP5430_GPU_T_COLD,
187 .min_freq = OMAP5430_GPU_MIN_FREQ,
188 .max_freq = OMAP5430_GPU_MAX_FREQ,
189 .max_temp = OMAP5430_GPU_MAX_TEMP,
190 .min_temp = OMAP5430_GPU_MIN_TEMP,
191 .hyst_val = OMAP5430_GPU_HYST_VAL,
192 .update_int1 = 1000,
193 .update_int2 = 2000,
194};
195
196/* Thresholds and limits for OMAP5430 CORE temperature sensor */
197static struct temp_sensor_data omap5430_core_temp_sensor_data = {
198 .tshut_hot = OMAP5430_CORE_TSHUT_HOT,
199 .tshut_cold = OMAP5430_CORE_TSHUT_COLD,
200 .t_hot = OMAP5430_CORE_T_HOT,
201 .t_cold = OMAP5430_CORE_T_COLD,
202 .min_freq = OMAP5430_CORE_MIN_FREQ,
203 .max_freq = OMAP5430_CORE_MAX_FREQ,
204 .max_temp = OMAP5430_CORE_MAX_TEMP,
205 .min_temp = OMAP5430_CORE_MIN_TEMP,
206 .hyst_val = OMAP5430_CORE_HYST_VAL,
207 .update_int1 = 1000,
208 .update_int2 = 2000,
209};
210
211/*
212 * OMAP54xx ES2.0 : Temperature values in milli degree celsius
213 * ADC code values from 540 to 945
214 */
215static int
216omap5430_adc_to_temp[
217 OMAP5430_ADC_END_VALUE - OMAP5430_ADC_START_VALUE + 1] = {
218 /* Index 540 - 549 */
219 -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200,
220 -37800,
221 /* Index 550 - 559 */
222 -37400, -37000, -36600, -36200, -35800, -35300, -34700, -34200, -33800,
223 -33400,
224 /* Index 560 - 569 */
225 -33000, -32600, -32200, -31800, -31400, -31000, -30600, -30200, -29800,
226 -29400,
227 /* Index 570 - 579 */
228 -29000, -28600, -28200, -27700, -27100, -26600, -26200, -25800, -25400,
229 -25000,
230 /* Index 580 - 589 */
231 -24600, -24200, -23800, -23400, -23000, -22600, -22200, -21600, -21400,
232 -21000,
233 /* Index 590 - 599 */
234 -20500, -19900, -19400, -19000, -18600, -18200, -17800, -17400, -17000,
235 -16600,
236 /* Index 600 - 609 */
237 -16200, -15800, -15400, -15000, -14600, -14200, -13800, -13400, -13000,
238 -12500,
239 /* Index 610 - 619 */
240 -11900, -11400, -11000, -10600, -10200, -9800, -9400, -9000, -8600,
241 -8200,
242 /* Index 620 - 629 */
243 -7800, -7400, -7000, -6600, -6200, -5800, -5400, -5000, -4500, -3900,
244 /* Index 630 - 639 */
245 -3400, -3000, -2600, -2200, -1800, -1400, -1000, -600, -200, 200,
246 /* Index 640 - 649 */
247 600, 1000, 1400, 1800, 2200, 2600, 3000, 3400, 3900, 4500,
248 /* Index 650 - 659 */
249 5000, 5400, 5800, 6200, 6600, 7000, 7400, 7800, 8200, 8600,
250 /* Index 660 - 669 */
251 9000, 9400, 9800, 10200, 10600, 11000, 11400, 11800, 12200, 12700,
252 /* Index 670 - 679 */
253 13300, 13800, 14200, 14600, 15000, 15400, 15800, 16200, 16600, 17000,
254 /* Index 680 - 689 */
255 17400, 17800, 18200, 18600, 19000, 19400, 19800, 20200, 20600, 21100,
256 /* Index 690 - 699 */
257 21400, 21900, 22500, 23000, 23400, 23800, 24200, 24600, 25000, 25400,
258 /* Index 700 - 709 */
259 25800, 26200, 26600, 27000, 27400, 27800, 28200, 28600, 29000, 29400,
260 /* Index 710 - 719 */
261 29800, 30200, 30600, 31000, 31400, 31900, 32500, 33000, 33400, 33800,
262 /* Index 720 - 729 */
263 34200, 34600, 35000, 35400, 35800, 36200, 36600, 37000, 37400, 37800,
264 /* Index 730 - 739 */
265 38200, 38600, 39000, 39400, 39800, 40200, 40600, 41000, 41400, 41800,
266 /* Index 740 - 749 */
267 42200, 42600, 43100, 43700, 44200, 44600, 45000, 45400, 45800, 46200,
268 /* Index 750 - 759 */
269 46600, 47000, 47400, 47800, 48200, 48600, 49000, 49400, 49800, 50200,
270 /* Index 760 - 769 */
271 50600, 51000, 51400, 51800, 52200, 52600, 53000, 53400, 53800, 54200,
272 /* Index 770 - 779 */
273 54600, 55000, 55400, 55900, 56500, 57000, 57400, 57800, 58200, 58600,
274 /* Index 780 - 789 */
275 59000, 59400, 59800, 60200, 60600, 61000, 61400, 61800, 62200, 62600,
276 /* Index 790 - 799 */
277 63000, 63400, 63800, 64200, 64600, 65000, 65400, 65800, 66200, 66600,
278 /* Index 800 - 809 */
279 67000, 67400, 67800, 68200, 68600, 69000, 69400, 69800, 70200, 70600,
280 /* Index 810 - 819 */
281 71000, 71500, 72100, 72600, 73000, 73400, 73800, 74200, 74600, 75000,
282 /* Index 820 - 829 */
283 75400, 75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000,
284 /* Index 830 - 839 */
285 79400, 79800, 80200, 80600, 81000, 81400, 81800, 82200, 82600, 83000,
286 /* Index 840 - 849 */
287 83400, 83800, 84200, 84600, 85000, 85400, 85800, 86200, 86600, 87000,
288 /* Index 850 - 859 */
289 87400, 87800, 88200, 88600, 89000, 89400, 89800, 90200, 90600, 91000,
290 /* Index 860 - 869 */
291 91400, 91800, 92200, 92600, 93000, 93400, 93800, 94200, 94600, 95000,
292 /* Index 870 - 879 */
293 95400, 95800, 96200, 96600, 97000, 97500, 98100, 98600, 99000, 99400,
294 /* Index 880 - 889 */
295 99800, 100200, 100600, 101000, 101400, 101800, 102200, 102600, 103000,
296 103400,
297 /* Index 890 - 899 */
298 103800, 104200, 104600, 105000, 105400, 105800, 106200, 106600, 107000,
299 107400,
300 /* Index 900 - 909 */
301 107800, 108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000,
302 111400,
303 /* Index 910 - 919 */
304 111800, 112200, 112600, 113000, 113400, 113800, 114200, 114600, 115000,
305 115400,
306 /* Index 920 - 929 */
307 115800, 116200, 116600, 117000, 117400, 117800, 118200, 118600, 119000,
308 119400,
309 /* Index 930 - 939 */
310 119800, 120200, 120600, 121000, 121400, 121800, 122400, 122600, 123000,
311 123400,
312 /* Index 940 - 945 */
313 123800, 1242000, 124600, 124900, 125000, 125000,
314};
315
316/* OMAP54xx ES2.0 data */
317const struct ti_bandgap_data omap5430_data = {
318 .features = TI_BANDGAP_FEATURE_TSHUT_CONFIG |
319 TI_BANDGAP_FEATURE_FREEZE_BIT |
320 TI_BANDGAP_FEATURE_TALERT |
321 TI_BANDGAP_FEATURE_COUNTER_DELAY |
322 TI_BANDGAP_FEATURE_HISTORY_BUFFER,
323 .fclock_name = "l3instr_ts_gclk_div",
324 .div_ck_name = "l3instr_ts_gclk_div",
325 .conv_table = omap5430_adc_to_temp,
326 .adc_start_val = OMAP5430_ADC_START_VALUE,
327 .adc_end_val = OMAP5430_ADC_END_VALUE,
328 .expose_sensor = ti_thermal_expose_sensor,
329 .remove_sensor = ti_thermal_remove_sensor,
330 .report_temperature = ti_thermal_report_sensor_temperature,
331 .sensors = {
332 {
333 .registers = &omap5430_mpu_temp_sensor_registers,
334 .ts_data = &omap5430_mpu_temp_sensor_data,
335 .domain = "cpu",
336 .register_cooling = ti_thermal_register_cpu_cooling,
337 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
338 .slope = OMAP_GRADIENT_SLOPE_5430_CPU,
339 .constant = OMAP_GRADIENT_CONST_5430_CPU,
340 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU,
341 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_CPU,
342 },
343 {
344 .registers = &omap5430_gpu_temp_sensor_registers,
345 .ts_data = &omap5430_gpu_temp_sensor_data,
346 .domain = "gpu",
347 .slope = OMAP_GRADIENT_SLOPE_5430_GPU,
348 .constant = OMAP_GRADIENT_CONST_5430_GPU,
349 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU,
350 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_GPU,
351 },
352 {
353 .registers = &omap5430_core_temp_sensor_registers,
354 .ts_data = &omap5430_core_temp_sensor_data,
355 .domain = "core",
356 },
357 },
358 .sensor_count = 3,
359};
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * OMAP5 thermal driver.
4 *
5 * Copyright (C) 2011-2012 Texas Instruments Inc.
6 * Contact:
7 * Eduardo Valentin <eduardo.valentin@ti.com>
8 */
9
10#include "ti-thermal.h"
11#include "ti-bandgap.h"
12#include "omap5xxx-bandgap.h"
13
14/*
15 * OMAP5430 has three instances of thermal sensor for MPU, GPU & CORE,
16 * need to describe the individual registers and bit fields.
17 */
18
19/*
20 * OMAP5430 MPU thermal sensor register offset and bit-fields
21 */
22static struct temp_sensor_registers
23omap5430_mpu_temp_sensor_registers = {
24 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_MPU_OFFSET,
25 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
26 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
27 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
28
29 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
30 .mask_hot_mask = OMAP5430_MASK_HOT_MPU_MASK,
31 .mask_cold_mask = OMAP5430_MASK_COLD_MPU_MASK,
32 .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
33 .mask_freeze_mask = OMAP5430_MASK_FREEZE_MPU_MASK,
34
35 .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
36 .counter_mask = OMAP5430_COUNTER_MASK,
37
38 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_MPU_OFFSET,
39 .threshold_thot_mask = OMAP5430_T_HOT_MASK,
40 .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
41
42 .tshut_threshold = OMAP5430_BGAP_TSHUT_MPU_OFFSET,
43 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
44 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
45
46 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
47 .status_hot_mask = OMAP5430_HOT_MPU_FLAG_MASK,
48 .status_cold_mask = OMAP5430_COLD_MPU_FLAG_MASK,
49
50 .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_MPU_1_OFFSET,
51 .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_MPU_2_OFFSET,
52 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_MPU,
53};
54
55/*
56 * OMAP5430 GPU thermal sensor register offset and bit-fields
57 */
58static struct temp_sensor_registers
59omap5430_gpu_temp_sensor_registers = {
60 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_GPU_OFFSET,
61 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
62 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
63 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
64
65 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
66 .mask_hot_mask = OMAP5430_MASK_HOT_GPU_MASK,
67 .mask_cold_mask = OMAP5430_MASK_COLD_GPU_MASK,
68 .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
69 .mask_freeze_mask = OMAP5430_MASK_FREEZE_GPU_MASK,
70
71 .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
72 .counter_mask = OMAP5430_COUNTER_MASK,
73
74 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_GPU_OFFSET,
75 .threshold_thot_mask = OMAP5430_T_HOT_MASK,
76 .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
77
78 .tshut_threshold = OMAP5430_BGAP_TSHUT_GPU_OFFSET,
79 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
80 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
81
82 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
83 .status_hot_mask = OMAP5430_HOT_GPU_FLAG_MASK,
84 .status_cold_mask = OMAP5430_COLD_GPU_FLAG_MASK,
85
86 .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_GPU_1_OFFSET,
87 .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_GPU_2_OFFSET,
88
89 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_GPU,
90};
91
92/*
93 * OMAP5430 CORE thermal sensor register offset and bit-fields
94 */
95static struct temp_sensor_registers
96omap5430_core_temp_sensor_registers = {
97 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_CORE_OFFSET,
98 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
99 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
100 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
101
102 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
103 .mask_hot_mask = OMAP5430_MASK_HOT_CORE_MASK,
104 .mask_cold_mask = OMAP5430_MASK_COLD_CORE_MASK,
105 .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
106 .mask_freeze_mask = OMAP5430_MASK_FREEZE_CORE_MASK,
107
108 .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
109 .counter_mask = OMAP5430_COUNTER_MASK,
110
111 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_CORE_OFFSET,
112 .threshold_thot_mask = OMAP5430_T_HOT_MASK,
113 .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
114
115 .tshut_threshold = OMAP5430_BGAP_TSHUT_CORE_OFFSET,
116 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
117 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
118
119 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
120 .status_hot_mask = OMAP5430_HOT_CORE_FLAG_MASK,
121 .status_cold_mask = OMAP5430_COLD_CORE_FLAG_MASK,
122
123 .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_CORE_1_OFFSET,
124 .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_CORE_2_OFFSET,
125
126 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_CORE,
127};
128
129/* Thresholds and limits for OMAP5430 MPU temperature sensor */
130static struct temp_sensor_data omap5430_mpu_temp_sensor_data = {
131 .tshut_hot = OMAP5430_MPU_TSHUT_HOT,
132 .tshut_cold = OMAP5430_MPU_TSHUT_COLD,
133 .t_hot = OMAP5430_MPU_T_HOT,
134 .t_cold = OMAP5430_MPU_T_COLD,
135 .min_freq = OMAP5430_MPU_MIN_FREQ,
136 .max_freq = OMAP5430_MPU_MAX_FREQ,
137};
138
139/* Thresholds and limits for OMAP5430 GPU temperature sensor */
140static struct temp_sensor_data omap5430_gpu_temp_sensor_data = {
141 .tshut_hot = OMAP5430_GPU_TSHUT_HOT,
142 .tshut_cold = OMAP5430_GPU_TSHUT_COLD,
143 .t_hot = OMAP5430_GPU_T_HOT,
144 .t_cold = OMAP5430_GPU_T_COLD,
145 .min_freq = OMAP5430_GPU_MIN_FREQ,
146 .max_freq = OMAP5430_GPU_MAX_FREQ,
147};
148
149/* Thresholds and limits for OMAP5430 CORE temperature sensor */
150static struct temp_sensor_data omap5430_core_temp_sensor_data = {
151 .tshut_hot = OMAP5430_CORE_TSHUT_HOT,
152 .tshut_cold = OMAP5430_CORE_TSHUT_COLD,
153 .t_hot = OMAP5430_CORE_T_HOT,
154 .t_cold = OMAP5430_CORE_T_COLD,
155 .min_freq = OMAP5430_CORE_MIN_FREQ,
156 .max_freq = OMAP5430_CORE_MAX_FREQ,
157};
158
159/*
160 * OMAP54xx ES2.0 : Temperature values in milli degree celsius
161 * ADC code values from 540 to 945
162 */
163static int
164omap5430_adc_to_temp[
165 OMAP5430_ADC_END_VALUE - OMAP5430_ADC_START_VALUE + 1] = {
166 /* Index 540 - 549 */
167 -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200,
168 -37800,
169 /* Index 550 - 559 */
170 -37400, -37000, -36600, -36200, -35800, -35300, -34700, -34200, -33800,
171 -33400,
172 /* Index 560 - 569 */
173 -33000, -32600, -32200, -31800, -31400, -31000, -30600, -30200, -29800,
174 -29400,
175 /* Index 570 - 579 */
176 -29000, -28600, -28200, -27700, -27100, -26600, -26200, -25800, -25400,
177 -25000,
178 /* Index 580 - 589 */
179 -24600, -24200, -23800, -23400, -23000, -22600, -22200, -21600, -21400,
180 -21000,
181 /* Index 590 - 599 */
182 -20500, -19900, -19400, -19000, -18600, -18200, -17800, -17400, -17000,
183 -16600,
184 /* Index 600 - 609 */
185 -16200, -15800, -15400, -15000, -14600, -14200, -13800, -13400, -13000,
186 -12500,
187 /* Index 610 - 619 */
188 -11900, -11400, -11000, -10600, -10200, -9800, -9400, -9000, -8600,
189 -8200,
190 /* Index 620 - 629 */
191 -7800, -7400, -7000, -6600, -6200, -5800, -5400, -5000, -4500, -3900,
192 /* Index 630 - 639 */
193 -3400, -3000, -2600, -2200, -1800, -1400, -1000, -600, -200, 200,
194 /* Index 640 - 649 */
195 600, 1000, 1400, 1800, 2200, 2600, 3000, 3400, 3900, 4500,
196 /* Index 650 - 659 */
197 5000, 5400, 5800, 6200, 6600, 7000, 7400, 7800, 8200, 8600,
198 /* Index 660 - 669 */
199 9000, 9400, 9800, 10200, 10600, 11000, 11400, 11800, 12200, 12700,
200 /* Index 670 - 679 */
201 13300, 13800, 14200, 14600, 15000, 15400, 15800, 16200, 16600, 17000,
202 /* Index 680 - 689 */
203 17400, 17800, 18200, 18600, 19000, 19400, 19800, 20200, 20600, 21100,
204 /* Index 690 - 699 */
205 21400, 21900, 22500, 23000, 23400, 23800, 24200, 24600, 25000, 25400,
206 /* Index 700 - 709 */
207 25800, 26200, 26600, 27000, 27400, 27800, 28200, 28600, 29000, 29400,
208 /* Index 710 - 719 */
209 29800, 30200, 30600, 31000, 31400, 31900, 32500, 33000, 33400, 33800,
210 /* Index 720 - 729 */
211 34200, 34600, 35000, 35400, 35800, 36200, 36600, 37000, 37400, 37800,
212 /* Index 730 - 739 */
213 38200, 38600, 39000, 39400, 39800, 40200, 40600, 41000, 41400, 41800,
214 /* Index 740 - 749 */
215 42200, 42600, 43100, 43700, 44200, 44600, 45000, 45400, 45800, 46200,
216 /* Index 750 - 759 */
217 46600, 47000, 47400, 47800, 48200, 48600, 49000, 49400, 49800, 50200,
218 /* Index 760 - 769 */
219 50600, 51000, 51400, 51800, 52200, 52600, 53000, 53400, 53800, 54200,
220 /* Index 770 - 779 */
221 54600, 55000, 55400, 55900, 56500, 57000, 57400, 57800, 58200, 58600,
222 /* Index 780 - 789 */
223 59000, 59400, 59800, 60200, 60600, 61000, 61400, 61800, 62200, 62600,
224 /* Index 790 - 799 */
225 63000, 63400, 63800, 64200, 64600, 65000, 65400, 65800, 66200, 66600,
226 /* Index 800 - 809 */
227 67000, 67400, 67800, 68200, 68600, 69000, 69400, 69800, 70200, 70600,
228 /* Index 810 - 819 */
229 71000, 71500, 72100, 72600, 73000, 73400, 73800, 74200, 74600, 75000,
230 /* Index 820 - 829 */
231 75400, 75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000,
232 /* Index 830 - 839 */
233 79400, 79800, 80200, 80600, 81000, 81400, 81800, 82200, 82600, 83000,
234 /* Index 840 - 849 */
235 83400, 83800, 84200, 84600, 85000, 85400, 85800, 86200, 86600, 87000,
236 /* Index 850 - 859 */
237 87400, 87800, 88200, 88600, 89000, 89400, 89800, 90200, 90600, 91000,
238 /* Index 860 - 869 */
239 91400, 91800, 92200, 92600, 93000, 93400, 93800, 94200, 94600, 95000,
240 /* Index 870 - 879 */
241 95400, 95800, 96200, 96600, 97000, 97500, 98100, 98600, 99000, 99400,
242 /* Index 880 - 889 */
243 99800, 100200, 100600, 101000, 101400, 101800, 102200, 102600, 103000,
244 103400,
245 /* Index 890 - 899 */
246 103800, 104200, 104600, 105000, 105400, 105800, 106200, 106600, 107000,
247 107400,
248 /* Index 900 - 909 */
249 107800, 108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000,
250 111400,
251 /* Index 910 - 919 */
252 111800, 112200, 112600, 113000, 113400, 113800, 114200, 114600, 115000,
253 115400,
254 /* Index 920 - 929 */
255 115800, 116200, 116600, 117000, 117400, 117800, 118200, 118600, 119000,
256 119400,
257 /* Index 930 - 939 */
258 119800, 120200, 120600, 121000, 121400, 121800, 122400, 122600, 123000,
259 123400,
260 /* Index 940 - 945 */
261 123800, 124200, 124600, 124900, 125000, 125000,
262};
263
264/* OMAP54xx ES2.0 data */
265const struct ti_bandgap_data omap5430_data = {
266 .features = TI_BANDGAP_FEATURE_TSHUT_CONFIG |
267 TI_BANDGAP_FEATURE_FREEZE_BIT |
268 TI_BANDGAP_FEATURE_TALERT |
269 TI_BANDGAP_FEATURE_COUNTER_DELAY |
270 TI_BANDGAP_FEATURE_HISTORY_BUFFER,
271 .fclock_name = "l3instr_ts_gclk_div",
272 .div_ck_name = "l3instr_ts_gclk_div",
273 .conv_table = omap5430_adc_to_temp,
274 .adc_start_val = OMAP5430_ADC_START_VALUE,
275 .adc_end_val = OMAP5430_ADC_END_VALUE,
276 .expose_sensor = ti_thermal_expose_sensor,
277 .remove_sensor = ti_thermal_remove_sensor,
278 .report_temperature = ti_thermal_report_sensor_temperature,
279 .sensors = {
280 {
281 .registers = &omap5430_mpu_temp_sensor_registers,
282 .ts_data = &omap5430_mpu_temp_sensor_data,
283 .domain = "cpu",
284 .register_cooling = ti_thermal_register_cpu_cooling,
285 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
286 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU,
287 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_CPU,
288 },
289 {
290 .registers = &omap5430_gpu_temp_sensor_registers,
291 .ts_data = &omap5430_gpu_temp_sensor_data,
292 .domain = "gpu",
293 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU,
294 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_GPU,
295 },
296 {
297 .registers = &omap5430_core_temp_sensor_registers,
298 .ts_data = &omap5430_core_temp_sensor_data,
299 .domain = "core",
300 },
301 },
302 .sensor_count = 3,
303};