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 */
 72struct 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
 88struct tegra_tsensor_configuration {
 89	u32 tall, tiddq_en, ten_count, pdiv, pdiv_ate, tsample, tsample_ate;
 90};
 91
 92struct 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
105struct tsensor_group_thermtrips {
106	u8 id;
107	u32 temp;
108};
109
110struct 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
117struct tsensor_shared_calib {
118	u32 base_cp, base_ft;
119	u32 actual_temp_cp, actual_temp_ft;
120};
121
122struct 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
134int tegra_calc_shared_calib(const struct tegra_soctherm_fuse *tfuse,
135			    struct tsensor_shared_calib *shared);
136int 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
141extern const struct tegra_soctherm_soc tegra124_soctherm;
142#endif
143
144#ifdef CONFIG_ARCH_TEGRA_132_SOC
145extern const struct tegra_soctherm_soc tegra132_soctherm;
146#endif
147
148#ifdef CONFIG_ARCH_TEGRA_210_SOC
149extern const struct tegra_soctherm_soc tegra210_soctherm;
150#endif
151
152#endif
153