1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2014-2016, NVIDIA CORPORATION.  All rights reserved.
4  *
5  * This software is licensed under the terms of the GNU General Public
6  * License version 2, as published by the Free Software Foundation, and
7  * may be copied, distributed, and modified under those terms.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  */
15 
16 #ifndef __DRIVERS_THERMAL_TEGRA_SOCTHERM_H
17 #define __DRIVERS_THERMAL_TEGRA_SOCTHERM_H
18 
19 #define THERMCTL_LEVEL0_GROUP_CPU               0x0
20 #define THERMCTL_LEVEL0_GROUP_GPU		0x4
21 #define THERMCTL_LEVEL0_GROUP_MEM		0x8
22 #define THERMCTL_LEVEL0_GROUP_TSENSE		0xc
23 
24 #define SENSOR_CONFIG2                          8
25 #define SENSOR_CONFIG2_THERMA_MASK		(0xffff << 16)
26 #define SENSOR_CONFIG2_THERMA_SHIFT		16
27 #define SENSOR_CONFIG2_THERMB_MASK		0xffff
28 #define SENSOR_CONFIG2_THERMB_SHIFT		0
29 
30 #define THERMCTL_THERMTRIP_CTL			0x80
31 /* BITs are defined in device file */
32 
33 #define THERMCTL_INTR_ENABLE			0x88
34 #define THERMCTL_INTR_DISABLE			0x8c
35 #define TH_INTR_UP_DN_EN			0x3
36 #define THERM_IRQ_MEM_MASK			(TH_INTR_UP_DN_EN << 24)
37 #define THERM_IRQ_GPU_MASK			(TH_INTR_UP_DN_EN << 16)
38 #define THERM_IRQ_CPU_MASK			(TH_INTR_UP_DN_EN << 8)
39 #define THERM_IRQ_TSENSE_MASK			(TH_INTR_UP_DN_EN << 0)
40 
41 #define SENSOR_PDIV				0x1c0
42 #define SENSOR_PDIV_CPU_MASK			(0xf << 12)
43 #define SENSOR_PDIV_GPU_MASK			(0xf << 8)
44 #define SENSOR_PDIV_MEM_MASK			(0xf << 4)
45 #define SENSOR_PDIV_PLLX_MASK			(0xf << 0)
46 
47 #define SENSOR_HOTSPOT_OFF			0x1c4
48 #define SENSOR_HOTSPOT_CPU_MASK			(0xff << 16)
49 #define SENSOR_HOTSPOT_GPU_MASK			(0xff << 8)
50 #define SENSOR_HOTSPOT_MEM_MASK			(0xff << 0)
51 
52 #define SENSOR_TEMP1				0x1c8
53 #define SENSOR_TEMP1_CPU_TEMP_MASK		(0xffff << 16)
54 #define SENSOR_TEMP1_GPU_TEMP_MASK		0xffff
55 #define SENSOR_TEMP2				0x1cc
56 #define SENSOR_TEMP2_MEM_TEMP_MASK		(0xffff << 16)
57 #define SENSOR_TEMP2_PLLX_TEMP_MASK		0xffff
58 
59 /**
60  * struct tegra_tsensor_group - SOC_THERM sensor group data
61  * @name: short name of the temperature sensor group
62  * @id: numeric ID of the temperature sensor group
63  * @sensor_temp_offset: offset of the SENSOR_TEMP* register
64  * @sensor_temp_mask: bit mask for this sensor group in SENSOR_TEMP* register
65  * @pdiv: the sensor count post-divider to use during runtime
66  * @pdiv_ate: the sensor count post-divider used during automated test
67  * @pdiv_mask: register bitfield mask for the PDIV field for this sensor
68  * @pllx_hotspot_diff: hotspot offset from the PLLX sensor, must be 0 for
69     PLLX sensor group
70  * @pllx_hotspot_mask: register bitfield mask for the HOTSPOT field
71  */
72 struct tegra_tsensor_group {
73 	const char *name;
74 	u8 id;
75 	u16 sensor_temp_offset;
76 	u32 sensor_temp_mask;
77 	u32 pdiv, pdiv_ate, pdiv_mask;
78 	u32 pllx_hotspot_diff, pllx_hotspot_mask;
79 	u32 thermtrip_enable_mask;
80 	u32 thermtrip_any_en_mask;
81 	u32 thermtrip_threshold_mask;
82 	u32 thermctl_isr_mask;
83 	u16 thermctl_lvl0_offset;
84 	u32 thermctl_lvl0_up_thresh_mask;
85 	u32 thermctl_lvl0_dn_thresh_mask;
86 };
87 
88 struct tegra_tsensor_configuration {
89 	u32 tall, tiddq_en, ten_count, pdiv, pdiv_ate, tsample, tsample_ate;
90 };
91 
92 struct tegra_tsensor {
93 	const char *name;
94 	const u32 base;
95 	const struct tegra_tsensor_configuration *config;
96 	const u32 calib_fuse_offset;
97 	/*
98 	 * Correction values used to modify values read from
99 	 * calibration fuses
100 	 */
101 	const s32 fuse_corr_alpha, fuse_corr_beta;
102 	const struct tegra_tsensor_group *group;
103 };
104 
105 struct tsensor_group_thermtrips {
106 	u8 id;
107 	u32 temp;
108 };
109 
110 struct tegra_soctherm_fuse {
111 	u32 fuse_base_cp_mask, fuse_base_cp_shift;
112 	u32 fuse_base_ft_mask, fuse_base_ft_shift;
113 	u32 fuse_shift_ft_mask, fuse_shift_ft_shift;
114 	u32 fuse_spare_realignment;
115 };
116 
117 struct tsensor_shared_calib {
118 	u32 base_cp, base_ft;
119 	u32 actual_temp_cp, actual_temp_ft;
120 };
121 
122 struct tegra_soctherm_soc {
123 	const struct tegra_tsensor *tsensors;
124 	const unsigned int num_tsensors;
125 	const struct tegra_tsensor_group **ttgs;
126 	const unsigned int num_ttgs;
127 	const struct tegra_soctherm_fuse *tfuse;
128 	const int thresh_grain;
129 	const unsigned int bptt;
130 	const bool use_ccroc;
131 	struct tsensor_group_thermtrips *thermtrips;
132 };
133 
134 int tegra_calc_shared_calib(const struct tegra_soctherm_fuse *tfuse,
135 			    struct tsensor_shared_calib *shared);
136 int tegra_calc_tsensor_calib(const struct tegra_tsensor *sensor,
137 			     const struct tsensor_shared_calib *shared,
138 			     u32 *calib);
139 
140 #ifdef CONFIG_ARCH_TEGRA_124_SOC
141 extern const struct tegra_soctherm_soc tegra124_soctherm;
142 #endif
143 
144 #ifdef CONFIG_ARCH_TEGRA_132_SOC
145 extern const struct tegra_soctherm_soc tegra132_soctherm;
146 #endif
147 
148 #ifdef CONFIG_ARCH_TEGRA_210_SOC
149 extern const struct tegra_soctherm_soc tegra210_soctherm;
150 #endif
151 
152 #endif
153 
154