1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2014-2018, 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#include <linux/module.h>
17#include <linux/platform_device.h>
18#include <soc/tegra/fuse.h>
19
20#include <dt-bindings/thermal/tegra124-soctherm.h>
21
22#include "soctherm.h"
23
24#define TEGRA210_THERMTRIP_ANY_EN_MASK		(0x1 << 31)
25#define TEGRA210_THERMTRIP_MEM_EN_MASK		(0x1 << 30)
26#define TEGRA210_THERMTRIP_GPU_EN_MASK		(0x1 << 29)
27#define TEGRA210_THERMTRIP_CPU_EN_MASK		(0x1 << 28)
28#define TEGRA210_THERMTRIP_TSENSE_EN_MASK	(0x1 << 27)
29#define TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK	(0x1ff << 18)
30#define TEGRA210_THERMTRIP_CPU_THRESH_MASK	(0x1ff << 9)
31#define TEGRA210_THERMTRIP_TSENSE_THRESH_MASK	0x1ff
32
33#define TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK	(0x1ff << 18)
34#define TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK	(0x1ff << 9)
35
36#define TEGRA210_THRESH_GRAIN			500
37#define TEGRA210_BPTT				9
38
39static const struct tegra_tsensor_configuration tegra210_tsensor_config = {
40	.tall = 16300,
41	.tiddq_en = 1,
42	.ten_count = 1,
43	.tsample = 120,
44	.tsample_ate = 480,
45};
46
47static const struct tegra_tsensor_group tegra210_tsensor_group_cpu = {
48	.id = TEGRA124_SOCTHERM_SENSOR_CPU,
49	.name = "cpu",
50	.sensor_temp_offset = SENSOR_TEMP1,
51	.sensor_temp_mask = SENSOR_TEMP1_CPU_TEMP_MASK,
52	.pdiv = 8,
53	.pdiv_ate = 8,
54	.pdiv_mask = SENSOR_PDIV_CPU_MASK,
55	.pllx_hotspot_diff = 10,
56	.pllx_hotspot_mask = SENSOR_HOTSPOT_CPU_MASK,
57	.thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
58	.thermtrip_enable_mask = TEGRA210_THERMTRIP_CPU_EN_MASK,
59	.thermtrip_threshold_mask = TEGRA210_THERMTRIP_CPU_THRESH_MASK,
60	.thermctl_isr_mask = THERM_IRQ_CPU_MASK,
61	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_CPU,
62	.thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
63	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
64};
65
66static const struct tegra_tsensor_group tegra210_tsensor_group_gpu = {
67	.id = TEGRA124_SOCTHERM_SENSOR_GPU,
68	.name = "gpu",
69	.sensor_temp_offset = SENSOR_TEMP1,
70	.sensor_temp_mask = SENSOR_TEMP1_GPU_TEMP_MASK,
71	.pdiv = 8,
72	.pdiv_ate = 8,
73	.pdiv_mask = SENSOR_PDIV_GPU_MASK,
74	.pllx_hotspot_diff = 5,
75	.pllx_hotspot_mask = SENSOR_HOTSPOT_GPU_MASK,
76	.thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
77	.thermtrip_enable_mask = TEGRA210_THERMTRIP_GPU_EN_MASK,
78	.thermtrip_threshold_mask = TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK,
79	.thermctl_isr_mask = THERM_IRQ_GPU_MASK,
80	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_GPU,
81	.thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
82	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
83};
84
85static const struct tegra_tsensor_group tegra210_tsensor_group_pll = {
86	.id = TEGRA124_SOCTHERM_SENSOR_PLLX,
87	.name = "pll",
88	.sensor_temp_offset = SENSOR_TEMP2,
89	.sensor_temp_mask = SENSOR_TEMP2_PLLX_TEMP_MASK,
90	.pdiv = 8,
91	.pdiv_ate = 8,
92	.pdiv_mask = SENSOR_PDIV_PLLX_MASK,
93	.thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
94	.thermtrip_enable_mask = TEGRA210_THERMTRIP_TSENSE_EN_MASK,
95	.thermtrip_threshold_mask = TEGRA210_THERMTRIP_TSENSE_THRESH_MASK,
96	.thermctl_isr_mask = THERM_IRQ_TSENSE_MASK,
97	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_TSENSE,
98	.thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
99	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
100};
101
102static const struct tegra_tsensor_group tegra210_tsensor_group_mem = {
103	.id = TEGRA124_SOCTHERM_SENSOR_MEM,
104	.name = "mem",
105	.sensor_temp_offset = SENSOR_TEMP2,
106	.sensor_temp_mask = SENSOR_TEMP2_MEM_TEMP_MASK,
107	.pdiv = 8,
108	.pdiv_ate = 8,
109	.pdiv_mask = SENSOR_PDIV_MEM_MASK,
110	.pllx_hotspot_diff = 0,
111	.pllx_hotspot_mask = SENSOR_HOTSPOT_MEM_MASK,
112	.thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
113	.thermtrip_enable_mask = TEGRA210_THERMTRIP_MEM_EN_MASK,
114	.thermtrip_threshold_mask = TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK,
115	.thermctl_isr_mask = THERM_IRQ_MEM_MASK,
116	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_MEM,
117	.thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
118	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
119};
120
121static const struct tegra_tsensor_group *tegra210_tsensor_groups[] = {
122	&tegra210_tsensor_group_cpu,
123	&tegra210_tsensor_group_gpu,
124	&tegra210_tsensor_group_pll,
125	&tegra210_tsensor_group_mem,
126};
127
128static const struct tegra_tsensor tegra210_tsensors[] = {
129	{
130		.name = "cpu0",
131		.base = 0xc0,
132		.config = &tegra210_tsensor_config,
133		.calib_fuse_offset = 0x098,
134		.fuse_corr_alpha = 1085000,
135		.fuse_corr_beta = 3244200,
136		.group = &tegra210_tsensor_group_cpu,
137	}, {
138		.name = "cpu1",
139		.base = 0xe0,
140		.config = &tegra210_tsensor_config,
141		.calib_fuse_offset = 0x084,
142		.fuse_corr_alpha = 1126200,
143		.fuse_corr_beta = -67500,
144		.group = &tegra210_tsensor_group_cpu,
145	}, {
146		.name = "cpu2",
147		.base = 0x100,
148		.config = &tegra210_tsensor_config,
149		.calib_fuse_offset = 0x088,
150		.fuse_corr_alpha = 1098400,
151		.fuse_corr_beta = 2251100,
152		.group = &tegra210_tsensor_group_cpu,
153	}, {
154		.name = "cpu3",
155		.base = 0x120,
156		.config = &tegra210_tsensor_config,
157		.calib_fuse_offset = 0x12c,
158		.fuse_corr_alpha = 1108000,
159		.fuse_corr_beta = 602700,
160		.group = &tegra210_tsensor_group_cpu,
161	}, {
162		.name = "mem0",
163		.base = 0x140,
164		.config = &tegra210_tsensor_config,
165		.calib_fuse_offset = 0x158,
166		.fuse_corr_alpha = 1069200,
167		.fuse_corr_beta = 3549900,
168		.group = &tegra210_tsensor_group_mem,
169	}, {
170		.name = "mem1",
171		.base = 0x160,
172		.config = &tegra210_tsensor_config,
173		.calib_fuse_offset = 0x15c,
174		.fuse_corr_alpha = 1173700,
175		.fuse_corr_beta = -6263600,
176		.group = &tegra210_tsensor_group_mem,
177	}, {
178		.name = "gpu",
179		.base = 0x180,
180		.config = &tegra210_tsensor_config,
181		.calib_fuse_offset = 0x154,
182		.fuse_corr_alpha = 1074300,
183		.fuse_corr_beta = 2734900,
184		.group = &tegra210_tsensor_group_gpu,
185	}, {
186		.name = "pllx",
187		.base = 0x1a0,
188		.config = &tegra210_tsensor_config,
189		.calib_fuse_offset = 0x160,
190		.fuse_corr_alpha = 1039700,
191		.fuse_corr_beta = 6829100,
192		.group = &tegra210_tsensor_group_pll,
193	},
194};
195
196/*
197 * Mask/shift bits in FUSE_TSENSOR_COMMON and
198 * FUSE_TSENSOR_COMMON, which are described in
199 * tegra_soctherm_fuse.c
200 */
201static const struct tegra_soctherm_fuse tegra210_soctherm_fuse = {
202	.fuse_base_cp_mask = 0x3ff << 11,
203	.fuse_base_cp_shift = 11,
204	.fuse_base_ft_mask = 0x7ff << 21,
205	.fuse_base_ft_shift = 21,
206	.fuse_shift_ft_mask = 0x1f << 6,
207	.fuse_shift_ft_shift = 6,
208	.fuse_spare_realignment = 0,
209};
210
211static struct tsensor_group_thermtrips tegra210_tsensor_thermtrips[] = {
212	{.id = TEGRA124_SOCTHERM_SENSOR_NUM},
213	{.id = TEGRA124_SOCTHERM_SENSOR_NUM},
214	{.id = TEGRA124_SOCTHERM_SENSOR_NUM},
215	{.id = TEGRA124_SOCTHERM_SENSOR_NUM},
216};
217
218const struct tegra_soctherm_soc tegra210_soctherm = {
219	.tsensors = tegra210_tsensors,
220	.num_tsensors = ARRAY_SIZE(tegra210_tsensors),
221	.ttgs = tegra210_tsensor_groups,
222	.num_ttgs = ARRAY_SIZE(tegra210_tsensor_groups),
223	.tfuse = &tegra210_soctherm_fuse,
224	.thresh_grain = TEGRA210_THRESH_GRAIN,
225	.bptt = TEGRA210_BPTT,
226	.use_ccroc = false,
227	.thermtrips = tegra210_tsensor_thermtrips,
228};
229