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Eduardo Valentin949f5a52012-07-12 19:02:32 +03001/*
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 "omap-bandgap.h"
20#include "omap-thermal.h"
21
22/*
23 * omap5430 has one instance of thermal sensor for MPU
24 * need to describe the individual bit fields
25 */
26static struct temp_sensor_registers
27omap5430_mpu_temp_sensor_registers = {
28 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_MPU_OFFSET,
29 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
30 .bgap_soc_mask = OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK,
31 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
32 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
33
34 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
35 .mask_hot_mask = OMAP5430_MASK_HOT_MPU_MASK,
36 .mask_cold_mask = OMAP5430_MASK_COLD_MPU_MASK,
37
38 .bgap_mode_ctrl = OMAP5430_BGAP_COUNTER_MPU_OFFSET,
39 .mode_ctrl_mask = OMAP5430_REPEAT_MODE_MASK,
40
41 .bgap_counter = OMAP5430_BGAP_COUNTER_MPU_OFFSET,
42 .counter_mask = OMAP5430_COUNTER_MASK,
43
44 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_MPU_OFFSET,
45 .threshold_thot_mask = OMAP5430_T_HOT_MASK,
46 .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
47
48 .tshut_threshold = OMAP5430_BGAP_TSHUT_MPU_OFFSET,
49 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
50 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
51
52 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
53 .status_clean_stop_mask = 0x0,
54 .status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK,
55 .status_hot_mask = OMAP5430_HOT_MPU_FLAG_MASK,
56 .status_cold_mask = OMAP5430_COLD_MPU_FLAG_MASK,
57
58 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_MPU,
59};
60
61/*
62 * omap5430 has one instance of thermal sensor for GPU
63 * need to describe the individual bit fields
64 */
65static struct temp_sensor_registers
66omap5430_gpu_temp_sensor_registers = {
67 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_GPU_OFFSET,
68 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
69 .bgap_soc_mask = OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK,
70 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
71 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
72
73 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
Eduardo Valentinf49302d2013-02-26 18:53:27 -040074 .mask_hot_mask = OMAP5430_MASK_HOT_GPU_MASK,
75 .mask_cold_mask = OMAP5430_MASK_COLD_GPU_MASK,
Eduardo Valentin949f5a52012-07-12 19:02:32 +030076
77 .bgap_mode_ctrl = OMAP5430_BGAP_COUNTER_GPU_OFFSET,
78 .mode_ctrl_mask = OMAP5430_REPEAT_MODE_MASK,
79
80 .bgap_counter = OMAP5430_BGAP_COUNTER_GPU_OFFSET,
81 .counter_mask = OMAP5430_COUNTER_MASK,
82
83 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_GPU_OFFSET,
84 .threshold_thot_mask = OMAP5430_T_HOT_MASK,
85 .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
86
87 .tshut_threshold = OMAP5430_BGAP_TSHUT_GPU_OFFSET,
88 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
89 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
90
91 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
92 .status_clean_stop_mask = 0x0,
93 .status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK,
Eduardo Valentinf49302d2013-02-26 18:53:27 -040094 .status_hot_mask = OMAP5430_HOT_GPU_FLAG_MASK,
95 .status_cold_mask = OMAP5430_COLD_GPU_FLAG_MASK,
Eduardo Valentin949f5a52012-07-12 19:02:32 +030096
97 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_GPU,
98};
99
100/*
101 * omap5430 has one instance of thermal sensor for CORE
102 * need to describe the individual bit fields
103 */
104static struct temp_sensor_registers
105omap5430_core_temp_sensor_registers = {
106 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_CORE_OFFSET,
107 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
108 .bgap_soc_mask = OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK,
109 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
110 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
111
112 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
113 .mask_hot_mask = OMAP5430_MASK_HOT_CORE_MASK,
114 .mask_cold_mask = OMAP5430_MASK_COLD_CORE_MASK,
115
116 .bgap_mode_ctrl = OMAP5430_BGAP_COUNTER_CORE_OFFSET,
117 .mode_ctrl_mask = OMAP5430_REPEAT_MODE_MASK,
118
119 .bgap_counter = OMAP5430_BGAP_COUNTER_CORE_OFFSET,
120 .counter_mask = OMAP5430_COUNTER_MASK,
121
122 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_CORE_OFFSET,
123 .threshold_thot_mask = OMAP5430_T_HOT_MASK,
124 .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
125
126 .tshut_threshold = OMAP5430_BGAP_TSHUT_CORE_OFFSET,
127 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
128 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
129
130 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
131 .status_clean_stop_mask = 0x0,
132 .status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK,
133 .status_hot_mask = OMAP5430_HOT_CORE_FLAG_MASK,
134 .status_cold_mask = OMAP5430_COLD_CORE_FLAG_MASK,
135
136 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_CORE,
137};
138
139/* Thresholds and limits for OMAP5430 MPU temperature sensor */
140static struct temp_sensor_data omap5430_mpu_temp_sensor_data = {
141 .tshut_hot = OMAP5430_MPU_TSHUT_HOT,
142 .tshut_cold = OMAP5430_MPU_TSHUT_COLD,
143 .t_hot = OMAP5430_MPU_T_HOT,
144 .t_cold = OMAP5430_MPU_T_COLD,
145 .min_freq = OMAP5430_MPU_MIN_FREQ,
146 .max_freq = OMAP5430_MPU_MAX_FREQ,
147 .max_temp = OMAP5430_MPU_MAX_TEMP,
148 .min_temp = OMAP5430_MPU_MIN_TEMP,
149 .hyst_val = OMAP5430_MPU_HYST_VAL,
150 .adc_start_val = OMAP5430_ADC_START_VALUE,
151 .adc_end_val = OMAP5430_ADC_END_VALUE,
152 .update_int1 = 1000,
153 .update_int2 = 2000,
154};
155
156/* Thresholds and limits for OMAP5430 GPU temperature sensor */
157static struct temp_sensor_data omap5430_gpu_temp_sensor_data = {
158 .tshut_hot = OMAP5430_GPU_TSHUT_HOT,
159 .tshut_cold = OMAP5430_GPU_TSHUT_COLD,
160 .t_hot = OMAP5430_GPU_T_HOT,
161 .t_cold = OMAP5430_GPU_T_COLD,
162 .min_freq = OMAP5430_GPU_MIN_FREQ,
163 .max_freq = OMAP5430_GPU_MAX_FREQ,
164 .max_temp = OMAP5430_GPU_MAX_TEMP,
165 .min_temp = OMAP5430_GPU_MIN_TEMP,
166 .hyst_val = OMAP5430_GPU_HYST_VAL,
167 .adc_start_val = OMAP5430_ADC_START_VALUE,
168 .adc_end_val = OMAP5430_ADC_END_VALUE,
169 .update_int1 = 1000,
170 .update_int2 = 2000,
171};
172
173/* Thresholds and limits for OMAP5430 CORE temperature sensor */
174static struct temp_sensor_data omap5430_core_temp_sensor_data = {
175 .tshut_hot = OMAP5430_CORE_TSHUT_HOT,
176 .tshut_cold = OMAP5430_CORE_TSHUT_COLD,
177 .t_hot = OMAP5430_CORE_T_HOT,
178 .t_cold = OMAP5430_CORE_T_COLD,
179 .min_freq = OMAP5430_CORE_MIN_FREQ,
180 .max_freq = OMAP5430_CORE_MAX_FREQ,
181 .max_temp = OMAP5430_CORE_MAX_TEMP,
182 .min_temp = OMAP5430_CORE_MIN_TEMP,
183 .hyst_val = OMAP5430_CORE_HYST_VAL,
184 .adc_start_val = OMAP5430_ADC_START_VALUE,
185 .adc_end_val = OMAP5430_ADC_END_VALUE,
186 .update_int1 = 1000,
187 .update_int2 = 2000,
188};
189
Radhesh Fadnis2cb40932013-02-26 18:53:26 -0400190/*
191 * OMAP54xx ES2.0 : Temperature values in milli degree celsius
192 * ADC code values from 540 to 945
193 */
194static int
195omap5430_adc_to_temp[
196 OMAP5430_ADC_END_VALUE - OMAP5430_ADC_START_VALUE + 1] = {
197 /* Index 540 - 549 */
198 -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200,
199 -37800,
200 /* Index 550 - 559 */
201 -37400, -37000, -36600, -36200, -35800, -35300, -34700, -34200, -33800,
202 -33400,
203 /* Index 560 - 569 */
204 -33000, -32600, -32200, -31800, -31400, -31000, -30600, -30200, -29800,
205 -29400,
206 /* Index 570 - 579 */
207 -29000, -28600, -28200, -27700, -27100, -26600, -26200, -25800, -25400,
208 -25000,
209 /* Index 580 - 589 */
210 -24600, -24200, -23800, -23400, -23000, -22600, -22200, -21600, -21400,
211 -21000,
212 /* Index 590 - 599 */
213 -20500, -19900, -19400, -19000, -18600, -18200, -17800, -17400, -17000,
214 -16600,
215 /* Index 600 - 609 */
216 -16200, -15800, -15400, -15000, -14600, -14200, -13800, -13400, -13000,
217 -12500,
218 /* Index 610 - 619 */
219 -11900, -11400, -11000, -10600, -10200, -9800, -9400, -9000, -8600,
220 -8200,
221 /* Index 620 - 629 */
222 -7800, -7400, -7000, -6600, -6200, -5800, -5400, -5000, -4500, -3900,
223 /* Index 630 - 639 */
224 -3400, -3000, -2600, -2200, -1800, -1400, -1000, -600, -200, 200,
225 /* Index 640 - 649 */
226 600, 1000, 1400, 1800, 2200, 2600, 3000, 3400, 3900, 4500,
227 /* Index 650 - 659 */
228 5000, 5400, 5800, 6200, 6600, 7000, 7400, 7800, 8200, 8600,
229 /* Index 660 - 669 */
230 9000, 9400, 9800, 10200, 10600, 11000, 11400, 11800, 12200, 12700,
231 /* Index 670 - 679 */
232 13300, 13800, 14200, 14600, 15000, 15400, 15800, 16200, 16600, 17000,
233 /* Index 680 - 689 */
234 17400, 17800, 18200, 18600, 19000, 19400, 19800, 20200, 20600, 21100,
235 /* Index 690 - 699 */
236 21400, 21900, 22500, 23000, 23400, 23800, 24200, 24600, 25000, 25400,
237 /* Index 700 - 709 */
238 25800, 26200, 26600, 27000, 27400, 27800, 28200, 28600, 29000, 29400,
239 /* Index 710 - 719 */
240 29800, 30200, 30600, 31000, 31400, 31900, 32500, 33000, 33400, 33800,
241 /* Index 720 - 729 */
242 34200, 34600, 35000, 35400, 35800, 36200, 36600, 37000, 37400, 37800,
243 /* Index 730 - 739 */
244 38200, 38600, 39000, 39400, 39800, 40200, 40600, 41000, 41400, 41800,
245 /* Index 740 - 749 */
246 42200, 42600, 43100, 43700, 44200, 44600, 45000, 45400, 45800, 46200,
247 /* Index 750 - 759 */
248 46600, 47000, 47400, 47800, 48200, 48600, 49000, 49400, 49800, 50200,
249 /* Index 760 - 769 */
250 50600, 51000, 51400, 51800, 52200, 52600, 53000, 53400, 53800, 54200,
251 /* Index 770 - 779 */
252 54600, 55000, 55400, 55900, 56500, 57000, 57400, 57800, 58200, 58600,
253 /* Index 780 - 789 */
254 59000, 59400, 59800, 60200, 60600, 61000, 61400, 61800, 62200, 62600,
255 /* Index 790 - 799 */
256 63000, 63400, 63800, 64200, 64600, 65000, 65400, 65800, 66200, 66600,
257 /* Index 800 - 809 */
258 67000, 67400, 67800, 68200, 68600, 69000, 69400, 69800, 70200, 70600,
259 /* Index 810 - 819 */
260 71000, 71500, 72100, 72600, 73000, 73400, 73800, 74200, 74600, 75000,
261 /* Index 820 - 829 */
262 75400, 75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000,
263 /* Index 830 - 839 */
264 79400, 79800, 80200, 80600, 81000, 81400, 81800, 82200, 82600, 83000,
265 /* Index 840 - 849 */
266 83400, 83800, 84200, 84600, 85000, 85400, 85800, 86200, 86600, 87000,
267 /* Index 850 - 859 */
268 87400, 87800, 88200, 88600, 89000, 89400, 89800, 90200, 90600, 91000,
269 /* Index 860 - 869 */
270 91400, 91800, 92200, 92600, 93000, 93400, 93800, 94200, 94600, 95000,
271 /* Index 870 - 879 */
272 95400, 95800, 96200, 96600, 97000, 97500, 98100, 98600, 99000, 99400,
273 /* Index 880 - 889 */
274 99800, 100200, 100600, 101000, 101400, 101800, 102200, 102600, 103000,
275 103400,
276 /* Index 890 - 899 */
277 103800, 104200, 104600, 105000, 105400, 105800, 106200, 106600, 107000,
278 107400,
279 /* Index 900 - 909 */
280 107800, 108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000,
281 111400,
282 /* Index 910 - 919 */
283 111800, 112200, 112600, 113000, 113400, 113800, 114200, 114600, 115000,
284 115400,
285 /* Index 920 - 929 */
286 115800, 116200, 116600, 117000, 117400, 117800, 118200, 118600, 119000,
287 119400,
288 /* Index 930 - 939 */
289 119800, 120200, 120600, 121000, 121400, 121800, 122400, 122600, 123000,
290 123400,
291 /* Index 940 - 945 */
292 123800, 1242000, 124600, 124900, 125000, 125000,
Eduardo Valentin949f5a52012-07-12 19:02:32 +0300293};
294
295const struct omap_bandgap_data omap5430_data = {
296 .features = OMAP_BANDGAP_FEATURE_TSHUT_CONFIG |
297 OMAP_BANDGAP_FEATURE_TALERT |
298 OMAP_BANDGAP_FEATURE_MODE_CONFIG |
Radhesh Fadnis6c9c1d62013-02-26 18:53:25 -0400299 OMAP_BANDGAP_FEATURE_COUNTER |
300 OMAP_BANDGAP_FEATURE_CLK_CTRL,
Eduardo Valentin949f5a52012-07-12 19:02:32 +0300301 .fclock_name = "ts_clk_div_ck",
302 .div_ck_name = "ts_clk_div_ck",
303 .conv_table = omap5430_adc_to_temp,
304 .expose_sensor = omap_thermal_expose_sensor,
305 .remove_sensor = omap_thermal_remove_sensor,
306 .sensors = {
307 {
Eduardo Valentincff860f2012-09-11 19:06:53 +0300308 .registers = &omap5430_mpu_temp_sensor_registers,
309 .ts_data = &omap5430_mpu_temp_sensor_data,
310 .domain = "cpu",
311 .register_cooling = omap_thermal_register_cpu_cooling,
312 .unregister_cooling = omap_thermal_unregister_cpu_cooling,
313 .slope = OMAP_GRADIENT_SLOPE_5430_CPU,
314 .constant = OMAP_GRADIENT_CONST_5430_CPU,
315 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU,
316 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_CPU,
Eduardo Valentin949f5a52012-07-12 19:02:32 +0300317 },
318 {
Eduardo Valentincff860f2012-09-11 19:06:53 +0300319 .registers = &omap5430_gpu_temp_sensor_registers,
320 .ts_data = &omap5430_gpu_temp_sensor_data,
321 .domain = "gpu",
322 .slope = OMAP_GRADIENT_SLOPE_5430_GPU,
323 .constant = OMAP_GRADIENT_CONST_5430_GPU,
324 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU,
325 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_GPU,
Eduardo Valentin949f5a52012-07-12 19:02:32 +0300326 },
327 {
Eduardo Valentincff860f2012-09-11 19:06:53 +0300328 .registers = &omap5430_core_temp_sensor_registers,
329 .ts_data = &omap5430_core_temp_sensor_data,
330 .domain = "core",
Eduardo Valentin949f5a52012-07-12 19:02:32 +0300331 },
332 },
333 .sensor_count = 3,
334};