Amit Kucheria | 770324a | 2018-07-18 12:13:11 +0530 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Rajendra Nayak | d059c73 | 2016-05-05 14:21:44 +0530 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (c) 2015, The Linux Foundation. All rights reserved. |
Amit Kucheria | 770324a | 2018-07-18 12:13:11 +0530 | [diff] [blame] | 4 | * Copyright (c) 2018, Linaro Limited |
Rajendra Nayak | d059c73 | 2016-05-05 14:21:44 +0530 | [diff] [blame] | 5 | */ |
| 6 | |
Amit Kucheria | 432121a | 2018-07-26 16:03:10 +0530 | [diff] [blame] | 7 | #include <linux/bitops.h> |
Amit Kucheria | c199705 | 2019-03-20 18:47:50 +0530 | [diff] [blame] | 8 | #include <linux/regmap.h> |
Rajendra Nayak | d059c73 | 2016-05-05 14:21:44 +0530 | [diff] [blame] | 9 | #include "tsens.h" |
| 10 | |
Amit Kucheria | c199705 | 2019-03-20 18:47:50 +0530 | [diff] [blame] | 11 | /* ----- SROT ------ */ |
| 12 | #define SROT_HW_VER_OFF 0x0000 |
| 13 | #define SROT_CTRL_OFF 0x0004 |
| 14 | |
| 15 | /* ----- TM ------ */ |
| 16 | #define TM_INT_EN_OFF 0x0004 |
| 17 | #define TM_UPPER_LOWER_INT_STATUS_OFF 0x0008 |
| 18 | #define TM_UPPER_LOWER_INT_CLEAR_OFF 0x000c |
| 19 | #define TM_UPPER_LOWER_INT_MASK_OFF 0x0010 |
| 20 | #define TM_CRITICAL_INT_STATUS_OFF 0x0014 |
| 21 | #define TM_CRITICAL_INT_CLEAR_OFF 0x0018 |
| 22 | #define TM_CRITICAL_INT_MASK_OFF 0x001c |
| 23 | #define TM_Sn_UPPER_LOWER_THRESHOLD_OFF 0x0020 |
| 24 | #define TM_Sn_CRITICAL_THRESHOLD_OFF 0x0060 |
| 25 | #define TM_Sn_STATUS_OFF 0x00a0 |
| 26 | #define TM_TRDY_OFF 0x00e4 |
| 27 | |
Amit Kucheria | c199705 | 2019-03-20 18:47:50 +0530 | [diff] [blame] | 28 | /* v2.x: 8996, 8998, sdm845 */ |
| 29 | |
| 30 | static const struct tsens_features tsens_v2_feat = { |
| 31 | .ver_major = VER_2_X, |
| 32 | .crit_int = 1, |
| 33 | .adc = 0, |
| 34 | .srot_split = 1, |
Amit Kucheria | 1b6e3e5 | 2019-03-20 18:47:55 +0530 | [diff] [blame] | 35 | .max_sensors = 16, |
Amit Kucheria | c199705 | 2019-03-20 18:47:50 +0530 | [diff] [blame] | 36 | }; |
| 37 | |
| 38 | static const struct reg_field tsens_v2_regfields[MAX_REGFIELDS] = { |
| 39 | /* ----- SROT ------ */ |
| 40 | /* VERSION */ |
| 41 | [VER_MAJOR] = REG_FIELD(SROT_HW_VER_OFF, 28, 31), |
| 42 | [VER_MINOR] = REG_FIELD(SROT_HW_VER_OFF, 16, 27), |
| 43 | [VER_STEP] = REG_FIELD(SROT_HW_VER_OFF, 0, 15), |
| 44 | /* CTRL_OFF */ |
| 45 | [TSENS_EN] = REG_FIELD(SROT_CTRL_OFF, 0, 0), |
| 46 | [TSENS_SW_RST] = REG_FIELD(SROT_CTRL_OFF, 1, 1), |
| 47 | |
| 48 | /* ----- TM ------ */ |
| 49 | /* INTERRUPT ENABLE */ |
| 50 | /* v2 has separate enables for UPPER/LOWER/CRITICAL interrupts */ |
| 51 | [INT_EN] = REG_FIELD(TM_INT_EN_OFF, 0, 2), |
| 52 | |
| 53 | /* Sn_STATUS */ |
| 54 | REG_FIELD_FOR_EACH_SENSOR16(LAST_TEMP, TM_Sn_STATUS_OFF, 0, 11), |
| 55 | REG_FIELD_FOR_EACH_SENSOR16(VALID, TM_Sn_STATUS_OFF, 21, 21), |
| 56 | REG_FIELD_FOR_EACH_SENSOR16(MIN_STATUS, TM_Sn_STATUS_OFF, 16, 16), |
| 57 | REG_FIELD_FOR_EACH_SENSOR16(LOWER_STATUS, TM_Sn_STATUS_OFF, 17, 17), |
| 58 | REG_FIELD_FOR_EACH_SENSOR16(UPPER_STATUS, TM_Sn_STATUS_OFF, 18, 18), |
| 59 | REG_FIELD_FOR_EACH_SENSOR16(CRITICAL_STATUS, TM_Sn_STATUS_OFF, 19, 19), |
| 60 | REG_FIELD_FOR_EACH_SENSOR16(MAX_STATUS, TM_Sn_STATUS_OFF, 20, 20), |
| 61 | |
| 62 | /* TRDY: 1=ready, 0=in progress */ |
| 63 | [TRDY] = REG_FIELD(TM_TRDY_OFF, 0, 0), |
| 64 | }; |
| 65 | |
Amit Kucheria | 770324a | 2018-07-18 12:13:11 +0530 | [diff] [blame] | 66 | static const struct tsens_ops ops_generic_v2 = { |
Rajendra Nayak | d059c73 | 2016-05-05 14:21:44 +0530 | [diff] [blame] | 67 | .init = init_common, |
Amit Kucheria | c8b6169 | 2019-03-20 18:47:57 +0530 | [diff] [blame] | 68 | .get_temp = get_temp_tsens_valid, |
Rajendra Nayak | d059c73 | 2016-05-05 14:21:44 +0530 | [diff] [blame] | 69 | }; |
| 70 | |
Amit Kucheria | 3c040ce | 2019-03-20 18:47:42 +0530 | [diff] [blame] | 71 | const struct tsens_plat_data data_tsens_v2 = { |
Amit Kucheria | c199705 | 2019-03-20 18:47:50 +0530 | [diff] [blame] | 72 | .ops = &ops_generic_v2, |
| 73 | .feat = &tsens_v2_feat, |
| 74 | .fields = tsens_v2_regfields, |
Amit Kucheria | 191dc74 | 2018-07-18 12:13:12 +0530 | [diff] [blame] | 75 | }; |
| 76 | |
| 77 | /* Kept around for backward compatibility with old msm8996.dtsi */ |
Amit Kucheria | 3c040ce | 2019-03-20 18:47:42 +0530 | [diff] [blame] | 78 | const struct tsens_plat_data data_8996 = { |
Rajendra Nayak | d059c73 | 2016-05-05 14:21:44 +0530 | [diff] [blame] | 79 | .num_sensors = 13, |
Amit Kucheria | 770324a | 2018-07-18 12:13:11 +0530 | [diff] [blame] | 80 | .ops = &ops_generic_v2, |
Amit Kucheria | c199705 | 2019-03-20 18:47:50 +0530 | [diff] [blame] | 81 | .feat = &tsens_v2_feat, |
| 82 | .fields = tsens_v2_regfields, |
Rajendra Nayak | d059c73 | 2016-05-05 14:21:44 +0530 | [diff] [blame] | 83 | }; |