diff options
Diffstat (limited to 'drivers/thermal/ti-soc-thermal/omap4-thermal-data.c')
-rw-r--r-- | drivers/thermal/ti-soc-thermal/omap4-thermal-data.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c b/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c new file mode 100644 index 000000000000..d255d33da9eb --- /dev/null +++ b/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c | |||
@@ -0,0 +1,267 @@ | |||
1 | /* | ||
2 | * OMAP4 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 "omap4xxx-bandgap.h" | ||
22 | |||
23 | /* | ||
24 | * OMAP4430 has one instance of thermal sensor for MPU | ||
25 | * need to describe the individual bit fields | ||
26 | */ | ||
27 | static struct temp_sensor_registers | ||
28 | omap4430_mpu_temp_sensor_registers = { | ||
29 | .temp_sensor_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET, | ||
30 | .bgap_tempsoff_mask = OMAP4430_BGAP_TEMPSOFF_MASK, | ||
31 | .bgap_soc_mask = OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK, | ||
32 | .bgap_eocz_mask = OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK, | ||
33 | .bgap_dtemp_mask = OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK, | ||
34 | |||
35 | .bgap_mode_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET, | ||
36 | .mode_ctrl_mask = OMAP4430_SINGLE_MODE_MASK, | ||
37 | |||
38 | .bgap_efuse = OMAP4430_FUSE_OPP_BGAP, | ||
39 | }; | ||
40 | |||
41 | /* Thresholds and limits for OMAP4430 MPU temperature sensor */ | ||
42 | static struct temp_sensor_data omap4430_mpu_temp_sensor_data = { | ||
43 | .min_freq = OMAP4430_MIN_FREQ, | ||
44 | .max_freq = OMAP4430_MAX_FREQ, | ||
45 | .max_temp = OMAP4430_MAX_TEMP, | ||
46 | .min_temp = OMAP4430_MIN_TEMP, | ||
47 | .hyst_val = OMAP4430_HYST_VAL, | ||
48 | }; | ||
49 | |||
50 | /* | ||
51 | * Temperature values in milli degree celsius | ||
52 | * ADC code values from 530 to 923 | ||
53 | */ | ||
54 | static const int | ||
55 | omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = { | ||
56 | -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, -22000, | ||
57 | -20000, -18000, -17000, -15000, -13000, -12000, -10000, -8000, -6000, | ||
58 | -5000, -3000, -1000, 0, 2000, 3000, 5000, 6000, 8000, 10000, 12000, | ||
59 | 13000, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28000, 30000, | ||
60 | 32000, 33000, 35000, 37000, 38000, 40000, 42000, 43000, 45000, 47000, | ||
61 | 48000, 50000, 52000, 53000, 55000, 57000, 58000, 60000, 62000, 64000, | ||
62 | 66000, 68000, 70000, 71000, 73000, 75000, 77000, 78000, 80000, 82000, | ||
63 | 83000, 85000, 87000, 88000, 90000, 92000, 93000, 95000, 97000, 98000, | ||
64 | 100000, 102000, 103000, 105000, 107000, 109000, 111000, 113000, 115000, | ||
65 | 117000, 118000, 120000, 122000, 123000, | ||
66 | }; | ||
67 | |||
68 | /* OMAP4430 data */ | ||
69 | const struct ti_bandgap_data omap4430_data = { | ||
70 | .features = TI_BANDGAP_FEATURE_MODE_CONFIG | | ||
71 | TI_BANDGAP_FEATURE_CLK_CTRL | | ||
72 | TI_BANDGAP_FEATURE_POWER_SWITCH, | ||
73 | .fclock_name = "bandgap_fclk", | ||
74 | .div_ck_name = "bandgap_fclk", | ||
75 | .conv_table = omap4430_adc_to_temp, | ||
76 | .adc_start_val = OMAP4430_ADC_START_VALUE, | ||
77 | .adc_end_val = OMAP4430_ADC_END_VALUE, | ||
78 | .expose_sensor = ti_thermal_expose_sensor, | ||
79 | .remove_sensor = ti_thermal_remove_sensor, | ||
80 | .sensors = { | ||
81 | { | ||
82 | .registers = &omap4430_mpu_temp_sensor_registers, | ||
83 | .ts_data = &omap4430_mpu_temp_sensor_data, | ||
84 | .domain = "cpu", | ||
85 | .slope = OMAP_GRADIENT_SLOPE_4430, | ||
86 | .constant = OMAP_GRADIENT_CONST_4430, | ||
87 | .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4430, | ||
88 | .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4430, | ||
89 | .register_cooling = ti_thermal_register_cpu_cooling, | ||
90 | .unregister_cooling = ti_thermal_unregister_cpu_cooling, | ||
91 | }, | ||
92 | }, | ||
93 | .sensor_count = 1, | ||
94 | }; | ||
95 | /* | ||
96 | * OMAP4460 has one instance of thermal sensor for MPU | ||
97 | * need to describe the individual bit fields | ||
98 | */ | ||
99 | static struct temp_sensor_registers | ||
100 | omap4460_mpu_temp_sensor_registers = { | ||
101 | .temp_sensor_ctrl = OMAP4460_TEMP_SENSOR_CTRL_OFFSET, | ||
102 | .bgap_tempsoff_mask = OMAP4460_BGAP_TEMPSOFF_MASK, | ||
103 | .bgap_soc_mask = OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK, | ||
104 | .bgap_eocz_mask = OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK, | ||
105 | .bgap_dtemp_mask = OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK, | ||
106 | |||
107 | .bgap_mask_ctrl = OMAP4460_BGAP_CTRL_OFFSET, | ||
108 | .mask_hot_mask = OMAP4460_MASK_HOT_MASK, | ||
109 | .mask_cold_mask = OMAP4460_MASK_COLD_MASK, | ||
110 | |||
111 | .bgap_mode_ctrl = OMAP4460_BGAP_CTRL_OFFSET, | ||
112 | .mode_ctrl_mask = OMAP4460_SINGLE_MODE_MASK, | ||
113 | |||
114 | .bgap_counter = OMAP4460_BGAP_COUNTER_OFFSET, | ||
115 | .counter_mask = OMAP4460_COUNTER_MASK, | ||
116 | |||
117 | .bgap_threshold = OMAP4460_BGAP_THRESHOLD_OFFSET, | ||
118 | .threshold_thot_mask = OMAP4460_T_HOT_MASK, | ||
119 | .threshold_tcold_mask = OMAP4460_T_COLD_MASK, | ||
120 | |||
121 | .tshut_threshold = OMAP4460_BGAP_TSHUT_OFFSET, | ||
122 | .tshut_hot_mask = OMAP4460_TSHUT_HOT_MASK, | ||
123 | .tshut_cold_mask = OMAP4460_TSHUT_COLD_MASK, | ||
124 | |||
125 | .bgap_status = OMAP4460_BGAP_STATUS_OFFSET, | ||
126 | .status_clean_stop_mask = OMAP4460_CLEAN_STOP_MASK, | ||
127 | .status_bgap_alert_mask = OMAP4460_BGAP_ALERT_MASK, | ||
128 | .status_hot_mask = OMAP4460_HOT_FLAG_MASK, | ||
129 | .status_cold_mask = OMAP4460_COLD_FLAG_MASK, | ||
130 | |||
131 | .bgap_efuse = OMAP4460_FUSE_OPP_BGAP, | ||
132 | }; | ||
133 | |||
134 | /* Thresholds and limits for OMAP4460 MPU temperature sensor */ | ||
135 | static struct temp_sensor_data omap4460_mpu_temp_sensor_data = { | ||
136 | .tshut_hot = OMAP4460_TSHUT_HOT, | ||
137 | .tshut_cold = OMAP4460_TSHUT_COLD, | ||
138 | .t_hot = OMAP4460_T_HOT, | ||
139 | .t_cold = OMAP4460_T_COLD, | ||
140 | .min_freq = OMAP4460_MIN_FREQ, | ||
141 | .max_freq = OMAP4460_MAX_FREQ, | ||
142 | .max_temp = OMAP4460_MAX_TEMP, | ||
143 | .min_temp = OMAP4460_MIN_TEMP, | ||
144 | .hyst_val = OMAP4460_HYST_VAL, | ||
145 | .update_int1 = 1000, | ||
146 | .update_int2 = 2000, | ||
147 | }; | ||
148 | |||
149 | /* | ||
150 | * Temperature values in milli degree celsius | ||
151 | * ADC code values from 530 to 923 | ||
152 | */ | ||
153 | static const int | ||
154 | omap4460_adc_to_temp[OMAP4460_ADC_END_VALUE - OMAP4460_ADC_START_VALUE + 1] = { | ||
155 | -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200, | ||
156 | -37800, -37300, -36800, -36400, -36000, -35600, -35200, -34800, | ||
157 | -34300, -33800, -33400, -33000, -32600, -32200, -31800, -31300, | ||
158 | -30800, -30400, -30000, -29600, -29200, -28700, -28200, -27800, | ||
159 | -27400, -27000, -26600, -26200, -25700, -25200, -24800, -24400, | ||
160 | -24000, -23600, -23200, -22700, -22200, -21800, -21400, -21000, | ||
161 | -20600, -20200, -19700, -19200, -18800, -18400, -18000, -17600, | ||
162 | -17200, -16700, -16200, -15800, -15400, -15000, -14600, -14200, | ||
163 | -13700, -13200, -12800, -12400, -12000, -11600, -11200, -10700, | ||
164 | -10200, -9800, -9400, -9000, -8600, -8200, -7700, -7200, -6800, | ||
165 | -6400, -6000, -5600, -5200, -4800, -4300, -3800, -3400, -3000, | ||
166 | -2600, -2200, -1800, -1300, -800, -400, 0, 400, 800, 1200, 1600, | ||
167 | 2100, 2600, 3000, 3400, 3800, 4200, 4600, 5100, 5600, 6000, 6400, | ||
168 | 6800, 7200, 7600, 8000, 8500, 9000, 9400, 9800, 10200, 10600, 11000, | ||
169 | 11400, 11900, 12400, 12800, 13200, 13600, 14000, 14400, 14800, | ||
170 | 15300, 15800, 16200, 16600, 17000, 17400, 17800, 18200, 18700, | ||
171 | 19200, 19600, 20000, 20400, 20800, 21200, 21600, 22100, 22600, | ||
172 | 23000, 23400, 23800, 24200, 24600, 25000, 25400, 25900, 26400, | ||
173 | 26800, 27200, 27600, 28000, 28400, 28800, 29300, 29800, 30200, | ||
174 | 30600, 31000, 31400, 31800, 32200, 32600, 33100, 33600, 34000, | ||
175 | 34400, 34800, 35200, 35600, 36000, 36400, 36800, 37300, 37800, | ||
176 | 38200, 38600, 39000, 39400, 39800, 40200, 40600, 41100, 41600, | ||
177 | 42000, 42400, 42800, 43200, 43600, 44000, 44400, 44800, 45300, | ||
178 | 45800, 46200, 46600, 47000, 47400, 47800, 48200, 48600, 49000, | ||
179 | 49500, 50000, 50400, 50800, 51200, 51600, 52000, 52400, 52800, | ||
180 | 53200, 53700, 54200, 54600, 55000, 55400, 55800, 56200, 56600, | ||
181 | 57000, 57400, 57800, 58200, 58700, 59200, 59600, 60000, 60400, | ||
182 | 60800, 61200, 61600, 62000, 62400, 62800, 63300, 63800, 64200, | ||
183 | 64600, 65000, 65400, 65800, 66200, 66600, 67000, 67400, 67800, | ||
184 | 68200, 68700, 69200, 69600, 70000, 70400, 70800, 71200, 71600, | ||
185 | 72000, 72400, 72800, 73200, 73600, 74100, 74600, 75000, 75400, | ||
186 | 75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000, | ||
187 | 79400, 79800, 80300, 80800, 81200, 81600, 82000, 82400, 82800, | ||
188 | 83200, 83600, 84000, 84400, 84800, 85200, 85600, 86000, 86400, | ||
189 | 86800, 87300, 87800, 88200, 88600, 89000, 89400, 89800, 90200, | ||
190 | 90600, 91000, 91400, 91800, 92200, 92600, 93000, 93400, 93800, | ||
191 | 94200, 94600, 95000, 95500, 96000, 96400, 96800, 97200, 97600, | ||
192 | 98000, 98400, 98800, 99200, 99600, 100000, 100400, 100800, 101200, | ||
193 | 101600, 102000, 102400, 102800, 103200, 103600, 104000, 104400, | ||
194 | 104800, 105200, 105600, 106100, 106600, 107000, 107400, 107800, | ||
195 | 108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000, | ||
196 | 111400, 111800, 112200, 112600, 113000, 113400, 113800, 114200, | ||
197 | 114600, 115000, 115400, 115800, 116200, 116600, 117000, 117400, | ||
198 | 117800, 118200, 118600, 119000, 119400, 119800, 120200, 120600, | ||
199 | 121000, 121400, 121800, 122200, 122600, 123000, 123400, 123800, 124200, | ||
200 | 124600, 124900, 125000, 125000, 125000, 125000 | ||
201 | }; | ||
202 | |||
203 | /* OMAP4460 data */ | ||
204 | const struct ti_bandgap_data omap4460_data = { | ||
205 | .features = TI_BANDGAP_FEATURE_TSHUT | | ||
206 | TI_BANDGAP_FEATURE_TSHUT_CONFIG | | ||
207 | TI_BANDGAP_FEATURE_TALERT | | ||
208 | TI_BANDGAP_FEATURE_MODE_CONFIG | | ||
209 | TI_BANDGAP_FEATURE_POWER_SWITCH | | ||
210 | TI_BANDGAP_FEATURE_CLK_CTRL | | ||
211 | TI_BANDGAP_FEATURE_COUNTER, | ||
212 | .fclock_name = "bandgap_ts_fclk", | ||
213 | .div_ck_name = "div_ts_ck", | ||
214 | .conv_table = omap4460_adc_to_temp, | ||
215 | .adc_start_val = OMAP4460_ADC_START_VALUE, | ||
216 | .adc_end_val = OMAP4460_ADC_END_VALUE, | ||
217 | .expose_sensor = ti_thermal_expose_sensor, | ||
218 | .remove_sensor = ti_thermal_remove_sensor, | ||
219 | .report_temperature = ti_thermal_report_sensor_temperature, | ||
220 | .sensors = { | ||
221 | { | ||
222 | .registers = &omap4460_mpu_temp_sensor_registers, | ||
223 | .ts_data = &omap4460_mpu_temp_sensor_data, | ||
224 | .domain = "cpu", | ||
225 | .slope = OMAP_GRADIENT_SLOPE_4460, | ||
226 | .constant = OMAP_GRADIENT_CONST_4460, | ||
227 | .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4460, | ||
228 | .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4460, | ||
229 | .register_cooling = ti_thermal_register_cpu_cooling, | ||
230 | .unregister_cooling = ti_thermal_unregister_cpu_cooling, | ||
231 | }, | ||
232 | }, | ||
233 | .sensor_count = 1, | ||
234 | }; | ||
235 | |||
236 | /* OMAP4470 data */ | ||
237 | const struct ti_bandgap_data omap4470_data = { | ||
238 | .features = TI_BANDGAP_FEATURE_TSHUT | | ||
239 | TI_BANDGAP_FEATURE_TSHUT_CONFIG | | ||
240 | TI_BANDGAP_FEATURE_TALERT | | ||
241 | TI_BANDGAP_FEATURE_MODE_CONFIG | | ||
242 | TI_BANDGAP_FEATURE_POWER_SWITCH | | ||
243 | TI_BANDGAP_FEATURE_CLK_CTRL | | ||
244 | TI_BANDGAP_FEATURE_COUNTER, | ||
245 | .fclock_name = "bandgap_ts_fclk", | ||
246 | .div_ck_name = "div_ts_ck", | ||
247 | .conv_table = omap4460_adc_to_temp, | ||
248 | .adc_start_val = OMAP4460_ADC_START_VALUE, | ||
249 | .adc_end_val = OMAP4460_ADC_END_VALUE, | ||
250 | .expose_sensor = ti_thermal_expose_sensor, | ||
251 | .remove_sensor = ti_thermal_remove_sensor, | ||
252 | .report_temperature = ti_thermal_report_sensor_temperature, | ||
253 | .sensors = { | ||
254 | { | ||
255 | .registers = &omap4460_mpu_temp_sensor_registers, | ||
256 | .ts_data = &omap4460_mpu_temp_sensor_data, | ||
257 | .domain = "cpu", | ||
258 | .slope = OMAP_GRADIENT_SLOPE_4470, | ||
259 | .constant = OMAP_GRADIENT_CONST_4470, | ||
260 | .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4470, | ||
261 | .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4470, | ||
262 | .register_cooling = ti_thermal_register_cpu_cooling, | ||
263 | .unregister_cooling = ti_thermal_unregister_cpu_cooling, | ||
264 | }, | ||
265 | }, | ||
266 | .sensor_count = 1, | ||
267 | }; | ||