diff options
Diffstat (limited to 'drivers/thermal/tegra/tegra210-soctherm.c')
| -rw-r--r-- | drivers/thermal/tegra/tegra210-soctherm.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/drivers/thermal/tegra/tegra210-soctherm.c b/drivers/thermal/tegra/tegra210-soctherm.c new file mode 100644 index 000000000..19cc0ab66 --- /dev/null +++ b/drivers/thermal/tegra/tegra210-soctherm.c @@ -0,0 +1,197 @@ +/* + * Copyright (c) 2014-2016, NVIDIA CORPORATION. All rights reserved. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <soc/tegra/fuse.h> + +#include <dt-bindings/thermal/tegra124-soctherm.h> + +#include "soctherm.h" + +#define TEGRA210_THERMTRIP_ANY_EN_MASK (0x1 << 31) +#define TEGRA210_THERMTRIP_MEM_EN_MASK (0x1 << 30) +#define TEGRA210_THERMTRIP_GPU_EN_MASK (0x1 << 29) +#define TEGRA210_THERMTRIP_CPU_EN_MASK (0x1 << 28) +#define TEGRA210_THERMTRIP_TSENSE_EN_MASK (0x1 << 27) +#define TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK (0x1ff << 18) +#define TEGRA210_THERMTRIP_CPU_THRESH_MASK (0x1ff << 9) +#define TEGRA210_THERMTRIP_TSENSE_THRESH_MASK 0x1ff + +#define TEGRA210_THRESH_GRAIN 500 + +static const struct tegra_tsensor_configuration tegra210_tsensor_config = { + .tall = 16300, + .tiddq_en = 1, + .ten_count = 1, + .tsample = 120, + .tsample_ate = 480, +}; + +static const struct tegra_tsensor_group tegra210_tsensor_group_cpu = { + .id = TEGRA124_SOCTHERM_SENSOR_CPU, + .name = "cpu", + .sensor_temp_offset = SENSOR_TEMP1, + .sensor_temp_mask = SENSOR_TEMP1_CPU_TEMP_MASK, + .pdiv = 8, + .pdiv_ate = 8, + .pdiv_mask = SENSOR_PDIV_CPU_MASK, + .pllx_hotspot_diff = 10, + .pllx_hotspot_mask = SENSOR_HOTSPOT_CPU_MASK, + .thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK, + .thermtrip_enable_mask = TEGRA210_THERMTRIP_CPU_EN_MASK, + .thermtrip_threshold_mask = TEGRA210_THERMTRIP_CPU_THRESH_MASK, +}; + +static const struct tegra_tsensor_group tegra210_tsensor_group_gpu = { + .id = TEGRA124_SOCTHERM_SENSOR_GPU, + .name = "gpu", + .sensor_temp_offset = SENSOR_TEMP1, + .sensor_temp_mask = SENSOR_TEMP1_GPU_TEMP_MASK, + .pdiv = 8, + .pdiv_ate = 8, + .pdiv_mask = SENSOR_PDIV_GPU_MASK, + .pllx_hotspot_diff = 5, + .pllx_hotspot_mask = SENSOR_HOTSPOT_GPU_MASK, + .thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK, + .thermtrip_enable_mask = TEGRA210_THERMTRIP_GPU_EN_MASK, + .thermtrip_threshold_mask = TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK, +}; + +static const struct tegra_tsensor_group tegra210_tsensor_group_pll = { + .id = TEGRA124_SOCTHERM_SENSOR_PLLX, + .name = "pll", + .sensor_temp_offset = SENSOR_TEMP2, + .sensor_temp_mask = SENSOR_TEMP2_PLLX_TEMP_MASK, + .pdiv = 8, + .pdiv_ate = 8, + .pdiv_mask = SENSOR_PDIV_PLLX_MASK, + .thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK, + .thermtrip_enable_mask = TEGRA210_THERMTRIP_TSENSE_EN_MASK, + .thermtrip_threshold_mask = TEGRA210_THERMTRIP_TSENSE_THRESH_MASK, +}; + +static const struct tegra_tsensor_group tegra210_tsensor_group_mem = { + .id = TEGRA124_SOCTHERM_SENSOR_MEM, + .name = "mem", + .sensor_temp_offset = SENSOR_TEMP2, + .sensor_temp_mask = SENSOR_TEMP2_MEM_TEMP_MASK, + .pdiv = 8, + .pdiv_ate = 8, + .pdiv_mask = SENSOR_PDIV_MEM_MASK, + .pllx_hotspot_diff = 0, + .pllx_hotspot_mask = SENSOR_HOTSPOT_MEM_MASK, + .thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK, + .thermtrip_enable_mask = TEGRA210_THERMTRIP_MEM_EN_MASK, + .thermtrip_threshold_mask = TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK, +}; + +static const struct tegra_tsensor_group *tegra210_tsensor_groups[] = { + &tegra210_tsensor_group_cpu, + &tegra210_tsensor_group_gpu, + &tegra210_tsensor_group_pll, + &tegra210_tsensor_group_mem, +}; + +static const struct tegra_tsensor tegra210_tsensors[] = { + { + .name = "cpu0", + .base = 0xc0, + .config = &tegra210_tsensor_config, + .calib_fuse_offset = 0x098, + .fuse_corr_alpha = 1085000, + .fuse_corr_beta = 3244200, + .group = &tegra210_tsensor_group_cpu, + }, { + .name = "cpu1", + .base = 0xe0, + .config = &tegra210_tsensor_config, + .calib_fuse_offset = 0x084, + .fuse_corr_alpha = 1126200, + .fuse_corr_beta = -67500, + .group = &tegra210_tsensor_group_cpu, + }, { + .name = "cpu2", + .base = 0x100, + .config = &tegra210_tsensor_config, + .calib_fuse_offset = 0x088, + .fuse_corr_alpha = 1098400, + .fuse_corr_beta = 2251100, + .group = &tegra210_tsensor_group_cpu, + }, { + .name = "cpu3", + .base = 0x120, + .config = &tegra210_tsensor_config, + .calib_fuse_offset = 0x12c, + .fuse_corr_alpha = 1108000, + .fuse_corr_beta = 602700, + .group = &tegra210_tsensor_group_cpu, + }, { + .name = "mem0", + .base = 0x140, + .config = &tegra210_tsensor_config, + .calib_fuse_offset = 0x158, + .fuse_corr_alpha = 1069200, + .fuse_corr_beta = 3549900, + .group = &tegra210_tsensor_group_mem, + }, { + .name = "mem1", + .base = 0x160, + .config = &tegra210_tsensor_config, + .calib_fuse_offset = 0x15c, + .fuse_corr_alpha = 1173700, + .fuse_corr_beta = -6263600, + .group = &tegra210_tsensor_group_mem, + }, { + .name = "gpu", + .base = 0x180, + .config = &tegra210_tsensor_config, + .calib_fuse_offset = 0x154, + .fuse_corr_alpha = 1074300, + .fuse_corr_beta = 2734900, + .group = &tegra210_tsensor_group_gpu, + }, { + .name = "pllx", + .base = 0x1a0, + .config = &tegra210_tsensor_config, + .calib_fuse_offset = 0x160, + .fuse_corr_alpha = 1039700, + .fuse_corr_beta = 6829100, + .group = &tegra210_tsensor_group_pll, + }, +}; + +/* + * Mask/shift bits in FUSE_TSENSOR_COMMON and + * FUSE_TSENSOR_COMMON, which are described in + * tegra_soctherm_fuse.c + */ +static const struct tegra_soctherm_fuse tegra210_soctherm_fuse = { + .fuse_base_cp_mask = 0x3ff << 11, + .fuse_base_cp_shift = 11, + .fuse_base_ft_mask = 0x7ff << 21, + .fuse_base_ft_shift = 21, + .fuse_shift_ft_mask = 0x1f << 6, + .fuse_shift_ft_shift = 6, + .fuse_spare_realignment = 0, +}; + +const struct tegra_soctherm_soc tegra210_soctherm = { + .tsensors = tegra210_tsensors, + .num_tsensors = ARRAY_SIZE(tegra210_tsensors), + .ttgs = tegra210_tsensor_groups, + .num_ttgs = ARRAY_SIZE(tegra210_tsensor_groups), + .tfuse = &tegra210_soctherm_fuse, + .thresh_grain = TEGRA210_THRESH_GRAIN, +}; |