root/drivers/thermal/mediatek/lvts_thermal.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2023 MediaTek Inc.
 * Author: Balsam CHIHI <bchihi@baylibre.com>
 */

#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/debugfs.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <linux/nvmem-consumer.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/thermal.h>
#include <dt-bindings/thermal/mediatek,lvts-thermal.h>

#include "../thermal_hwmon.h"

#define LVTS_MONCTL0(__base)    (__base + 0x0000)
#define LVTS_MONCTL1(__base)    (__base + 0x0004)
#define LVTS_MONCTL2(__base)    (__base + 0x0008)
#define LVTS_MONINT(__base)             (__base + 0x000C)
#define LVTS_MONINTSTS(__base)  (__base + 0x0010)
#define LVTS_MONIDET0(__base)   (__base + 0x0014)
#define LVTS_MONIDET1(__base)   (__base + 0x0018)
#define LVTS_MONIDET2(__base)   (__base + 0x001C)
#define LVTS_MONIDET3(__base)   (__base + 0x0020)
#define LVTS_H2NTHRE(__base)    (__base + 0x0024)
#define LVTS_HTHRE(__base)              (__base + 0x0028)
#define LVTS_OFFSETH(__base)    (__base + 0x0030)
#define LVTS_OFFSETL(__base)    (__base + 0x0034)
#define LVTS_MSRCTL0(__base)    (__base + 0x0038)
#define LVTS_MSRCTL1(__base)    (__base + 0x003C)
#define LVTS_TSSEL(__base)              (__base + 0x0040)
#define LVTS_CALSCALE(__base)   (__base + 0x0048)
#define LVTS_ID(__base)                 (__base + 0x004C)
#define LVTS_CONFIG(__base)             (__base + 0x0050)
#define LVTS_EDATA00(__base)    (__base + 0x0054)
#define LVTS_EDATA01(__base)    (__base + 0x0058)
#define LVTS_EDATA02(__base)    (__base + 0x005C)
#define LVTS_EDATA03(__base)    (__base + 0x0060)
#define LVTS_MSROFT(__base)             (__base + 0x006C)
#define LVTS_ATP0(__base)               (__base + 0x0070)
#define LVTS_ATP1(__base)               (__base + 0x0074)
#define LVTS_ATP2(__base)               (__base + 0x0078)
#define LVTS_ATP3(__base)               (__base + 0x007C)
#define LVTS_MSR0(__base)               (__base + 0x0090)
#define LVTS_MSR1(__base)               (__base + 0x0094)
#define LVTS_MSR2(__base)               (__base + 0x0098)
#define LVTS_MSR3(__base)               (__base + 0x009C)
#define LVTS_IMMD0(__base)              (__base + 0x00A0)
#define LVTS_IMMD1(__base)              (__base + 0x00A4)
#define LVTS_IMMD2(__base)              (__base + 0x00A8)
#define LVTS_IMMD3(__base)              (__base + 0x00AC)
#define LVTS_PROTCTL(__base)    (__base + 0x00C0)
#define LVTS_PROTTA(__base)             (__base + 0x00C4)
#define LVTS_PROTTB(__base)             (__base + 0x00C8)
#define LVTS_PROTTC(__base)             (__base + 0x00CC)
#define LVTS_CLKEN(__base)              (__base + 0x00E4)

#define LVTS_PERIOD_UNIT                        0
#define LVTS_GROUP_INTERVAL                     0
#define LVTS_FILTER_INTERVAL            0
#define LVTS_SENSOR_INTERVAL            0
#define LVTS_HW_FILTER                          0x0
#define LVTS_TSSEL_CONF                         0x13121110
#define LVTS_CALSCALE_CONF                      0x300

#define LVTS_MONINT_OFFSET_HIGH_INTEN_SENSOR0           BIT(3)
#define LVTS_MONINT_OFFSET_HIGH_INTEN_SENSOR1           BIT(8)
#define LVTS_MONINT_OFFSET_HIGH_INTEN_SENSOR2           BIT(13)
#define LVTS_MONINT_OFFSET_HIGH_INTEN_SENSOR3           BIT(25)
#define LVTS_MONINT_OFFSET_LOW_INTEN_SENSOR0            BIT(2)
#define LVTS_MONINT_OFFSET_LOW_INTEN_SENSOR1            BIT(7)
#define LVTS_MONINT_OFFSET_LOW_INTEN_SENSOR2            BIT(12)
#define LVTS_MONINT_OFFSET_LOW_INTEN_SENSOR3            BIT(24)

#define LVTS_INT_SENSOR0                        0x0009001F
#define LVTS_INT_SENSOR1                        0x001203E0
#define LVTS_INT_SENSOR2                        0x00247C00
#define LVTS_INT_SENSOR3                        0x1FC00000

#define LVTS_SENSOR_MAX                         4
#define LVTS_GOLDEN_TEMP_MAX            62
#define LVTS_GOLDEN_TEMP_DEFAULT        50
#define LVTS_COEFF_A_MT8195                     -250460
#define LVTS_COEFF_B_MT8195                     250460
#define LVTS_COEFF_A_MT7987                     -204650
#define LVTS_COEFF_B_MT7987                     204650
#define LVTS_COEFF_A_MT7988                     -204650
#define LVTS_COEFF_B_MT7988                     204650
#define LVTS_COEFF_A_MT8196                     391460
#define LVTS_COEFF_B_MT8196                     -391460

#define LVTS_MSR_OFFSET_MT8196          -984

#define LVTS_MSR_READ_TIMEOUT_US        400
#define LVTS_MSR_READ_WAIT_US           (LVTS_MSR_READ_TIMEOUT_US / 2)

#define LVTS_MINIMUM_THRESHOLD          20000

#define LVTS_MAX_CAL_OFFSETS            3
#define LVTS_NUM_CAL_OFFSETS_MT7988     3
#define LVTS_NUM_CAL_OFFSETS_MT8196     2

static int golden_temp = LVTS_GOLDEN_TEMP_DEFAULT;
static int golden_temp_offset;

enum lvts_msr_mode {
        LVTS_MSR_IMMEDIATE_MODE,
        LVTS_MSR_FILTERED_MODE,
        LVTS_MSR_ATP_MODE,
};

struct lvts_sensor_data {
        int dt_id;
        u8 cal_offsets[LVTS_MAX_CAL_OFFSETS];
};

struct lvts_ctrl_data {
        struct lvts_sensor_data lvts_sensor[LVTS_SENSOR_MAX];
        u8 valid_sensor_mask;
        int offset;
        enum lvts_msr_mode mode;
};

#define VALID_SENSOR_MAP(s0, s1, s2, s3) \
        .valid_sensor_mask = (((s0) ? BIT(0) : 0) | \
                              ((s1) ? BIT(1) : 0) | \
                              ((s2) ? BIT(2) : 0) | \
                              ((s3) ? BIT(3) : 0))

#define lvts_for_each_valid_sensor(i, lvts_ctrl) \
        for ((i) = 0; (i) < LVTS_SENSOR_MAX; (i)++) \
                if (!((lvts_ctrl)->valid_sensor_mask & BIT(i))) \
                        continue; \
                else

struct lvts_platform_ops {
        int (*lvts_raw_to_temp)(u32 raw_temp, int temp_factor);
        u32 (*lvts_temp_to_raw)(int temperature, int temp_factor);
};

struct lvts_data {
        const struct lvts_ctrl_data *lvts_ctrl;
        const struct lvts_platform_ops *ops;
        const u32 *conn_cmd;
        const u32 *init_cmd;
        int num_cal_offsets;
        int num_lvts_ctrl;
        int num_conn_cmd;
        int num_init_cmd;
        int temp_factor;
        int temp_offset;
        int gt_calib_bit_offset;
        unsigned int def_calibration;
        u16 msr_offset;
};

struct lvts_sensor {
        struct thermal_zone_device *tz;
        void __iomem *msr;
        void __iomem *base;
        int id;
        int dt_id;
        int low_thresh;
        int high_thresh;
};

struct lvts_ctrl {
        struct lvts_sensor sensors[LVTS_SENSOR_MAX];
        const struct lvts_data *lvts_data;
        u32 calibration[LVTS_SENSOR_MAX];
        u8 valid_sensor_mask;
        int mode;
        void __iomem *base;
        int low_thresh;
        int high_thresh;
};

struct lvts_domain {
        struct lvts_ctrl *lvts_ctrl;
        struct reset_control *reset;
        struct clk *clk;
        int num_lvts_ctrl;
        void __iomem *base;
        size_t calib_len;
        u8 *calib;
#ifdef CONFIG_DEBUG_FS
        struct dentry *dom_dentry;
#endif
};

#ifdef CONFIG_MTK_LVTS_THERMAL_DEBUGFS

#define LVTS_DEBUG_FS_REGS(__reg)               \
{                                               \
        .name = __stringify(__reg),             \
        .offset = __reg(0),                     \
}

static const struct debugfs_reg32 lvts_regs[] = {
        LVTS_DEBUG_FS_REGS(LVTS_MONCTL0),
        LVTS_DEBUG_FS_REGS(LVTS_MONCTL1),
        LVTS_DEBUG_FS_REGS(LVTS_MONCTL2),
        LVTS_DEBUG_FS_REGS(LVTS_MONINT),
        LVTS_DEBUG_FS_REGS(LVTS_MONINTSTS),
        LVTS_DEBUG_FS_REGS(LVTS_MONIDET0),
        LVTS_DEBUG_FS_REGS(LVTS_MONIDET1),
        LVTS_DEBUG_FS_REGS(LVTS_MONIDET2),
        LVTS_DEBUG_FS_REGS(LVTS_MONIDET3),
        LVTS_DEBUG_FS_REGS(LVTS_H2NTHRE),
        LVTS_DEBUG_FS_REGS(LVTS_HTHRE),
        LVTS_DEBUG_FS_REGS(LVTS_OFFSETH),
        LVTS_DEBUG_FS_REGS(LVTS_OFFSETL),
        LVTS_DEBUG_FS_REGS(LVTS_MSRCTL0),
        LVTS_DEBUG_FS_REGS(LVTS_MSRCTL1),
        LVTS_DEBUG_FS_REGS(LVTS_TSSEL),
        LVTS_DEBUG_FS_REGS(LVTS_CALSCALE),
        LVTS_DEBUG_FS_REGS(LVTS_ID),
        LVTS_DEBUG_FS_REGS(LVTS_CONFIG),
        LVTS_DEBUG_FS_REGS(LVTS_EDATA00),
        LVTS_DEBUG_FS_REGS(LVTS_EDATA01),
        LVTS_DEBUG_FS_REGS(LVTS_EDATA02),
        LVTS_DEBUG_FS_REGS(LVTS_EDATA03),
        LVTS_DEBUG_FS_REGS(LVTS_MSROFT),
        LVTS_DEBUG_FS_REGS(LVTS_ATP0),
        LVTS_DEBUG_FS_REGS(LVTS_ATP1),
        LVTS_DEBUG_FS_REGS(LVTS_ATP2),
        LVTS_DEBUG_FS_REGS(LVTS_ATP3),
        LVTS_DEBUG_FS_REGS(LVTS_MSR0),
        LVTS_DEBUG_FS_REGS(LVTS_MSR1),
        LVTS_DEBUG_FS_REGS(LVTS_MSR2),
        LVTS_DEBUG_FS_REGS(LVTS_MSR3),
        LVTS_DEBUG_FS_REGS(LVTS_IMMD0),
        LVTS_DEBUG_FS_REGS(LVTS_IMMD1),
        LVTS_DEBUG_FS_REGS(LVTS_IMMD2),
        LVTS_DEBUG_FS_REGS(LVTS_IMMD3),
        LVTS_DEBUG_FS_REGS(LVTS_PROTCTL),
        LVTS_DEBUG_FS_REGS(LVTS_PROTTA),
        LVTS_DEBUG_FS_REGS(LVTS_PROTTB),
        LVTS_DEBUG_FS_REGS(LVTS_PROTTC),
        LVTS_DEBUG_FS_REGS(LVTS_CLKEN),
};

static void lvts_debugfs_exit(void *data)
{
        struct lvts_domain *lvts_td = data;

        debugfs_remove_recursive(lvts_td->dom_dentry);
}

static int lvts_debugfs_init(struct device *dev, struct lvts_domain *lvts_td)
{
        struct debugfs_regset32 *regset;
        struct lvts_ctrl *lvts_ctrl;
        struct dentry *dentry;
        char name[64];
        int i;

        lvts_td->dom_dentry = debugfs_create_dir(dev_name(dev), NULL);
        if (IS_ERR(lvts_td->dom_dentry))
                return 0;

        for (i = 0; i < lvts_td->num_lvts_ctrl; i++) {

                lvts_ctrl = &lvts_td->lvts_ctrl[i];

                sprintf(name, "controller%d", i);
                dentry = debugfs_create_dir(name, lvts_td->dom_dentry);
                if (IS_ERR(dentry))
                        continue;

                regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
                if (!regset)
                        continue;

                regset->base = lvts_ctrl->base;
                regset->regs = lvts_regs;
                regset->nregs = ARRAY_SIZE(lvts_regs);

                debugfs_create_regset32("registers", 0400, dentry, regset);
        }

        return devm_add_action_or_reset(dev, lvts_debugfs_exit, lvts_td);
}

#else

static inline int lvts_debugfs_init(struct device *dev,
                                    struct lvts_domain *lvts_td)
{
        return 0;
}

#endif

static int lvts_raw_to_temp(u32 raw_temp, const struct lvts_data *lvts_data)
{
        return lvts_data->ops->lvts_raw_to_temp(raw_temp & 0xFFFF, lvts_data->temp_factor);
}

static u32 lvts_temp_to_raw(int temperature, const struct lvts_data *lvts_data)
{
        return lvts_data->ops->lvts_temp_to_raw(temperature, lvts_data->temp_factor);
}

static int lvts_raw_to_temp_mt7988(u32 raw_temp, int temp_factor)
{
        int temperature;

        temperature = ((s64)(raw_temp & 0xFFFF) * temp_factor) >> 14;
        temperature += golden_temp_offset;

        return temperature;
}

static u32 lvts_temp_to_raw_mt7988(int temperature, int temp_factor)
{
        u32 raw_temp = ((s64)(golden_temp_offset - temperature)) << 14;

        raw_temp = div_s64(raw_temp, -temp_factor);

        return raw_temp;
}

static u32 lvts_temp_to_raw_mt8196(int temperature, int temp_factor)
{
        u32 raw_temp;

        raw_temp = temperature - golden_temp_offset;

        return div_s64((s64)temp_factor << 14, raw_temp);
}

static int lvts_get_temp(struct thermal_zone_device *tz, int *temp)
{
        struct lvts_sensor *lvts_sensor = thermal_zone_device_priv(tz);
        struct lvts_ctrl *lvts_ctrl = container_of(lvts_sensor, struct lvts_ctrl,
                                                   sensors[lvts_sensor->id]);
        const struct lvts_data *lvts_data = lvts_ctrl->lvts_data;
        void __iomem *msr = lvts_sensor->msr;
        u32 value;
        int rc;

        /*
         * Measurement registers:
         *
         * LVTS_MSR[0-3] / LVTS_IMMD[0-3]
         *
         * Bits:
         *
         * 32-17: Unused
         * 16   : Valid temperature
         * 15-0 : Raw temperature
         */
        rc = readl_poll_timeout(msr, value, value & BIT(16),
                                LVTS_MSR_READ_WAIT_US, LVTS_MSR_READ_TIMEOUT_US);

        /*
         * As the thermal zone temperature will read before the
         * hardware sensor is fully initialized, we have to check the
         * validity of the temperature returned when reading the
         * measurement register. The thermal controller will set the
         * valid bit temperature only when it is totally initialized.
         *
         * Otherwise, we may end up with garbage values out of the
         * functionning temperature and directly jump to a system
         * shutdown.
         */
        if (rc)
                return -EAGAIN;

        *temp = lvts_raw_to_temp(value, lvts_data);

        return 0;
}

static void lvts_update_irq_mask(struct lvts_ctrl *lvts_ctrl)
{
        static const u32 high_offset_inten_masks[] = {
                LVTS_MONINT_OFFSET_HIGH_INTEN_SENSOR0,
                LVTS_MONINT_OFFSET_HIGH_INTEN_SENSOR1,
                LVTS_MONINT_OFFSET_HIGH_INTEN_SENSOR2,
                LVTS_MONINT_OFFSET_HIGH_INTEN_SENSOR3,
        };
        static const u32 low_offset_inten_masks[] = {
                LVTS_MONINT_OFFSET_LOW_INTEN_SENSOR0,
                LVTS_MONINT_OFFSET_LOW_INTEN_SENSOR1,
                LVTS_MONINT_OFFSET_LOW_INTEN_SENSOR2,
                LVTS_MONINT_OFFSET_LOW_INTEN_SENSOR3,
        };
        u32 value = 0;
        int i;

        value = readl(LVTS_MONINT(lvts_ctrl->base));

        lvts_for_each_valid_sensor(i, lvts_ctrl) {
                if (lvts_ctrl->sensors[i].high_thresh == lvts_ctrl->high_thresh
                    && lvts_ctrl->sensors[i].low_thresh == lvts_ctrl->low_thresh) {
                        /*
                         * The minimum threshold needs to be configured in the
                         * OFFSETL register to get working interrupts, but we
                         * don't actually want to generate interrupts when
                         * crossing it.
                         */
                        if (lvts_ctrl->low_thresh == -INT_MAX) {
                                value &= ~low_offset_inten_masks[i];
                                value |= high_offset_inten_masks[i];
                        } else {
                                value |= low_offset_inten_masks[i] | high_offset_inten_masks[i];
                        }
                } else {
                        value &= ~(low_offset_inten_masks[i] | high_offset_inten_masks[i]);
                }
        }

        writel(value, LVTS_MONINT(lvts_ctrl->base));
}

static bool lvts_should_update_thresh(struct lvts_ctrl *lvts_ctrl, int high)
{
        int i;

        if (high > lvts_ctrl->high_thresh)
                return true;

        lvts_for_each_valid_sensor(i, lvts_ctrl)
                if (lvts_ctrl->sensors[i].high_thresh == lvts_ctrl->high_thresh
                    && lvts_ctrl->sensors[i].low_thresh == lvts_ctrl->low_thresh)
                        return false;

        return true;
}

static int lvts_set_trips(struct thermal_zone_device *tz, int low, int high)
{
        struct lvts_sensor *lvts_sensor = thermal_zone_device_priv(tz);
        struct lvts_ctrl *lvts_ctrl = container_of(lvts_sensor, struct lvts_ctrl,
                                                   sensors[lvts_sensor->id]);
        const struct lvts_data *lvts_data = lvts_ctrl->lvts_data;
        void __iomem *base = lvts_sensor->base;
        u32 raw_low = lvts_temp_to_raw(low != -INT_MAX ? low : LVTS_MINIMUM_THRESHOLD,
                                       lvts_data);
        u32 raw_high = lvts_temp_to_raw(high, lvts_data);
        bool should_update_thresh;

        lvts_sensor->low_thresh = low;
        lvts_sensor->high_thresh = high;

        should_update_thresh = lvts_should_update_thresh(lvts_ctrl, high);
        if (should_update_thresh) {
                lvts_ctrl->high_thresh = high;
                lvts_ctrl->low_thresh = low;
        }
        lvts_update_irq_mask(lvts_ctrl);

        if (!should_update_thresh)
                return 0;

        /*
         * Low offset temperature threshold
         *
         * LVTS_OFFSETL
         *
         * Bits:
         *
         * 14-0 : Raw temperature for threshold
         */
        pr_debug("%s: Setting low limit temperature interrupt: %d\n",
                 thermal_zone_device_type(tz), low);
        writel(raw_low, LVTS_OFFSETL(base));

        /*
         * High offset temperature threshold
         *
         * LVTS_OFFSETH
         *
         * Bits:
         *
         * 14-0 : Raw temperature for threshold
         */
        pr_debug("%s: Setting high limit temperature interrupt: %d\n",
                 thermal_zone_device_type(tz), high);
        writel(raw_high, LVTS_OFFSETH(base));

        return 0;
}

static irqreturn_t lvts_ctrl_irq_handler(struct lvts_ctrl *lvts_ctrl)
{
        irqreturn_t iret = IRQ_NONE;
        u32 value;
        static const u32 masks[] = {
                LVTS_INT_SENSOR0,
                LVTS_INT_SENSOR1,
                LVTS_INT_SENSOR2,
                LVTS_INT_SENSOR3
        };
        int i;

        /*
         * Interrupt monitoring status
         *
         * LVTS_MONINTST
         *
         * Bits:
         *
         * 31 : Interrupt for stage 3
         * 30 : Interrupt for stage 2
         * 29 : Interrupt for state 1
         * 28 : Interrupt using filter on sensor 3
         *
         * 27 : Interrupt using immediate on sensor 3
         * 26 : Interrupt normal to hot on sensor 3
         * 25 : Interrupt high offset on sensor 3
         * 24 : Interrupt low offset on sensor 3
         *
         * 23 : Interrupt hot threshold on sensor 3
         * 22 : Interrupt cold threshold on sensor 3
         * 21 : Interrupt using filter on sensor 2
         * 20 : Interrupt using filter on sensor 1
         *
         * 19 : Interrupt using filter on sensor 0
         * 18 : Interrupt using immediate on sensor 2
         * 17 : Interrupt using immediate on sensor 1
         * 16 : Interrupt using immediate on sensor 0
         *
         * 15 : Interrupt device access timeout interrupt
         * 14 : Interrupt normal to hot on sensor 2
         * 13 : Interrupt high offset interrupt on sensor 2
         * 12 : Interrupt low offset interrupt on sensor 2
         *
         * 11 : Interrupt hot threshold on sensor 2
         * 10 : Interrupt cold threshold on sensor 2
         *  9 : Interrupt normal to hot on sensor 1
         *  8 : Interrupt high offset interrupt on sensor 1
         *
         *  7 : Interrupt low offset interrupt on sensor 1
         *  6 : Interrupt hot threshold on sensor 1
         *  5 : Interrupt cold threshold on sensor 1
         *  4 : Interrupt normal to hot on sensor 0
         *
         *  3 : Interrupt high offset interrupt on sensor 0
         *  2 : Interrupt low offset interrupt on sensor 0
         *  1 : Interrupt hot threshold on sensor 0
         *  0 : Interrupt cold threshold on sensor 0
         *
         * We are interested in the sensor(s) responsible of the
         * interrupt event. We update the thermal framework with the
         * thermal zone associated with the sensor. The framework will
         * take care of the rest whatever the kind of interrupt, we
         * are only interested in which sensor raised the interrupt.
         *
         * sensor 3 interrupt: 0001 1111 1100 0000 0000 0000 0000 0000
         *                  => 0x1FC00000
         * sensor 2 interrupt: 0000 0000 0010 0100 0111 1100 0000 0000
         *                  => 0x00247C00
         * sensor 1 interrupt: 0000 0000 0001 0010 0000 0011 1110 0000
         *                  => 0X001203E0
         * sensor 0 interrupt: 0000 0000 0000 1001 0000 0000 0001 1111
         *                  => 0x0009001F
         */
        value = readl(LVTS_MONINTSTS(lvts_ctrl->base));

        /*
         * Let's figure out which sensors raised the interrupt
         *
         * NOTE: the masks array must be ordered with the index
         * corresponding to the sensor id eg. index=0, mask for
         * sensor0.
         */
        for (i = 0; i < ARRAY_SIZE(masks); i++) {

                if (!(value & masks[i]))
                        continue;

                thermal_zone_device_update(lvts_ctrl->sensors[i].tz,
                                           THERMAL_TRIP_VIOLATED);
                iret = IRQ_HANDLED;
        }

        /*
         * Write back to clear the interrupt status (W1C)
         */
        writel(value, LVTS_MONINTSTS(lvts_ctrl->base));

        return iret;
}

/*
 * Temperature interrupt handler. Even if the driver supports more
 * interrupt modes, we use the interrupt when the temperature crosses
 * the hot threshold the way up and the way down (modulo the
 * hysteresis).
 *
 * Each thermal domain has a couple of interrupts, one for hardware
 * reset and another one for all the thermal events happening on the
 * different sensors.
 *
 * The interrupt is configured for thermal events when crossing the
 * hot temperature limit. At each interrupt, we check in every
 * controller if there is an interrupt pending.
 */
static irqreturn_t lvts_irq_handler(int irq, void *data)
{
        struct lvts_domain *lvts_td = data;
        irqreturn_t aux, iret = IRQ_NONE;
        int i;

        for (i = 0; i < lvts_td->num_lvts_ctrl; i++) {

                aux = lvts_ctrl_irq_handler(&lvts_td->lvts_ctrl[i]);
                if (aux != IRQ_HANDLED)
                        continue;

                iret = IRQ_HANDLED;
        }

        return iret;
}

static const struct thermal_zone_device_ops lvts_ops = {
        .get_temp = lvts_get_temp,
        .set_trips = lvts_set_trips,
};

static int lvts_sensor_init(struct device *dev, struct lvts_ctrl *lvts_ctrl,
                                        const struct lvts_ctrl_data *lvts_ctrl_data)
{
        struct lvts_sensor *lvts_sensor = lvts_ctrl->sensors;

        void __iomem *msr_regs[] = {
                LVTS_MSR0(lvts_ctrl->base),
                LVTS_MSR1(lvts_ctrl->base),
                LVTS_MSR2(lvts_ctrl->base),
                LVTS_MSR3(lvts_ctrl->base)
        };

        void __iomem *imm_regs[] = {
                LVTS_IMMD0(lvts_ctrl->base),
                LVTS_IMMD1(lvts_ctrl->base),
                LVTS_IMMD2(lvts_ctrl->base),
                LVTS_IMMD3(lvts_ctrl->base)
        };

        void __iomem *atp_regs[] = {
                LVTS_ATP0(lvts_ctrl->base),
                LVTS_ATP1(lvts_ctrl->base),
                LVTS_ATP2(lvts_ctrl->base),
                LVTS_ATP3(lvts_ctrl->base)
        };

        int i;

        lvts_for_each_valid_sensor(i, lvts_ctrl_data) {

                int dt_id = lvts_ctrl_data->lvts_sensor[i].dt_id;

                /*
                 * At this point, we don't know which id matches which
                 * sensor. Let's set arbitrally the id from the index.
                 */
                lvts_sensor[i].id = i;

                /*
                 * The thermal zone registration will set the trip
                 * point interrupt in the thermal controller
                 * register. But this one will be reset in the
                 * initialization after. So we need to post pone the
                 * thermal zone creation after the controller is
                 * setup. For this reason, we store the device tree
                 * node id from the data in the sensor structure
                 */
                lvts_sensor[i].dt_id = dt_id;

                /*
                 * We assign the base address of the thermal
                 * controller as a back pointer. So it will be
                 * accessible from the different thermal framework ops
                 * as we pass the lvts_sensor pointer as thermal zone
                 * private data.
                 */
                lvts_sensor[i].base = lvts_ctrl->base;

                /*
                 * Each sensor has its own register address to read from.
                 */
                switch (lvts_ctrl_data->mode) {
                case LVTS_MSR_IMMEDIATE_MODE:
                        lvts_sensor[i].msr = imm_regs[i];
                        break;
                case LVTS_MSR_FILTERED_MODE:
                        lvts_sensor[i].msr = msr_regs[i];
                        break;
                case LVTS_MSR_ATP_MODE:
                        lvts_sensor[i].msr = atp_regs[i];
                        break;
                default:
                        lvts_sensor[i].msr = imm_regs[i];
                        break;
                }

                lvts_sensor[i].low_thresh = INT_MIN;
                lvts_sensor[i].high_thresh = INT_MIN;
        }

        lvts_ctrl->valid_sensor_mask = lvts_ctrl_data->valid_sensor_mask;

        return 0;
}

static int lvts_decode_sensor_calibration(const struct lvts_sensor_data *sensor,
                                        const u8 *efuse_calibration, u32 calib_len,
                                        u8 num_offsets, u32 *calib)
{
        int i;
        u32 calib_val = 0;

        for (i = 0; i < num_offsets; i++) {
                u8 offset = sensor->cal_offsets[i];

                if (offset >= calib_len)
                        return -EINVAL;
                // Pack each calibration byte into the correct position
                calib_val |= efuse_calibration[offset] << (8 * i);
        }

        *calib = calib_val;
        return 0;
}

/*
 * The efuse blob values follows the sensor enumeration per thermal
 * controller. The decoding of the stream is as follow:
 *
 * MT8192 :
 * Stream index map for MCU Domain mt8192 :
 *
 * <-----mcu-tc#0-----> <-----sensor#0----->        <-----sensor#1----->
 *  0x01 | 0x02 | 0x03 | 0x04 | 0x05 | 0x06 | 0x07 | 0x08 | 0x09 | 0x0A | 0x0B
 *
 * <-----sensor#2----->        <-----sensor#3----->
 *  0x0C | 0x0D | 0x0E | 0x0F | 0x10 | 0x11 | 0x12 | 0x13
 *
 * <-----sensor#4----->        <-----sensor#5----->        <-----sensor#6----->        <-----sensor#7----->
 *  0x14 | 0x15 | 0x16 | 0x17 | 0x18 | 0x19 | 0x1A | 0x1B | 0x1C | 0x1D | 0x1E | 0x1F | 0x20 | 0x21 | 0x22 | 0x23
 *
 * Stream index map for AP Domain mt8192 :
 *
 * <-----sensor#0----->        <-----sensor#1----->
 *  0x24 | 0x25 | 0x26 | 0x27 | 0x28 | 0x29 | 0x2A | 0x2B
 *
 * <-----sensor#2----->        <-----sensor#3----->
 *  0x2C | 0x2D | 0x2E | 0x2F | 0x30 | 0x31 | 0x32 | 0x33
 *
 * <-----sensor#4----->        <-----sensor#5----->
 *  0x34 | 0x35 | 0x36 | 0x37 | 0x38 | 0x39 | 0x3A | 0x3B
 *
 * <-----sensor#6----->        <-----sensor#7----->        <-----sensor#8----->
 *  0x3C | 0x3D | 0x3E | 0x3F | 0x40 | 0x41 | 0x42 | 0x43 | 0x44 | 0x45 | 0x46 | 0x47
 *
 * MT8195 :
 * Stream index map for MCU Domain mt8195 :
 *
 * <-----mcu-tc#0-----> <-----sensor#0-----> <-----sensor#1----->
 *  0x01 | 0x02 | 0x03 | 0x04 | 0x05 | 0x06 | 0x07 | 0x08 | 0x09
 *
 * <-----mcu-tc#1-----> <-----sensor#2-----> <-----sensor#3----->
 *  0x0A | 0x0B | 0x0C | 0x0D | 0x0E | 0x0F | 0x10 | 0x11 | 0x12
 *
 * <-----mcu-tc#2-----> <-----sensor#4-----> <-----sensor#5-----> <-----sensor#6-----> <-----sensor#7----->
 *  0x13 | 0x14 | 0x15 | 0x16 | 0x17 | 0x18 | 0x19 | 0x1A | 0x1B | 0x1C | 0x1D | 0x1E | 0x1F | 0x20 | 0x21
 *
 * Stream index map for AP Domain mt8195 :
 *
 * <-----ap--tc#0-----> <-----sensor#0-----> <-----sensor#1----->
 *  0x22 | 0x23 | 0x24 | 0x25 | 0x26 | 0x27 | 0x28 | 0x29 | 0x2A
 *
 * <-----ap--tc#1-----> <-----sensor#2-----> <-----sensor#3----->
 *  0x2B | 0x2C | 0x2D | 0x2E | 0x2F | 0x30 | 0x31 | 0x32 | 0x33
 *
 * <-----ap--tc#2-----> <-----sensor#4-----> <-----sensor#5-----> <-----sensor#6----->
 *  0x34 | 0x35 | 0x36 | 0x37 | 0x38 | 0x39 | 0x3A | 0x3B | 0x3C | 0x3D | 0x3E | 0x3F
 *
 * <-----ap--tc#3-----> <-----sensor#7-----> <-----sensor#8----->
 *  0x40 | 0x41 | 0x42 | 0x43 | 0x44 | 0x45 | 0x46 | 0x47 | 0x48
 *
 * MT8196 :
 * Stream index map for MCU Domain mt8196 :
 *
 * <-sensor#1--> <-sensor#0--> <-sensor#3--> <-sensor#2-->
 *  0x04 | 0x05 | 0x06 | 0x07 | 0x08 | 0x09 | 0x0A | 0x0B
 *
 * <-sensor#5--> <-sensor#4--> <-sensor#7--> <-sensor#6-->
 *  0x0C | 0x0D | 0x0E | 0x0F | 0x10 | 0x11 | 0x12 | 0x13
 *
 * <-sensor#9--> <-sensor#8--> <-sensor#11-> <-sensor#10->
 *  0x14 | 0x15 | 0x16 | 0x17 | 0x18 | 0x19 | 0x1A | 0X1B
 *
 * <-sensor#13-> <-sensor#12-> <-sensor#15-> <-sensor#14->
 *  0x1C | 0x1D | 0x1E | 0x1F | 0x20 | 0x21 | 0x22 | 0x23
 *
 * Stream index map for APU Domain mt8196 :
 *
 * <-sensor#1--> <-sensor#0--> <-sensor#3--> <-sensor#2-->
 *  0x24 | 0x25 | 0x26 | 0x27 | 0x28 | 0x29 | 0x2A | 0x2B
 *
 * Stream index map for GPU Domain mt8196 :
 *
 * <-sensor#1--> <-sensor#0-->
 *  0x2C | 0x2D | 0x2E | 0x2F
 *
 * Stream index map for AP Domain mt8196 :
 *
 * <-sensor#1--> <-sensor#0--> <-sensor#3--> <-sensor#2-->
 *  0x30 | 0x31 | 0x32 | 0x33 | 0x34 | 0x35 | 0x36 | 0x37
 *
 * <-sensor#5--> <-sensor#4--> <-sensor#6--> <-sensor#7-->
 *  0x38 | 0x39 | 0x3A | 0x3B | 0x3C | 0x3D | 0x3E | 0x3F
 *
 * Note: In some cases, values don't strictly follow a little endian ordering.
 * The data description gives byte offsets constituting each calibration value
 * for each sensor.
 */
static int lvts_calibration_init(struct device *dev, struct lvts_ctrl *lvts_ctrl,
                                        const struct lvts_ctrl_data *lvts_ctrl_data,
                                        u8 *efuse_calibration,
                                        size_t calib_len)
{
        const struct lvts_data *lvts_data = lvts_ctrl->lvts_data;
        int i, ret;
        u32 gt;

        /* A zero value for gt means that device has invalid efuse data */
        gt = (((u32 *)efuse_calibration)[0] >> lvts_data->gt_calib_bit_offset) & 0xff;

        lvts_for_each_valid_sensor(i, lvts_ctrl_data) {
                const struct lvts_sensor_data *sensor =
                                        &lvts_ctrl_data->lvts_sensor[i];
                u32 calib = 0;

                ret = lvts_decode_sensor_calibration(sensor, efuse_calibration,
                                                     calib_len,
                                                     lvts_data->num_cal_offsets,
                                                     &calib);
                if (ret)
                        return ret;

                if (gt) {
                        lvts_ctrl->calibration[i] = calib;
                        if (lvts_ctrl->lvts_data->msr_offset)
                                lvts_ctrl->calibration[i] += lvts_ctrl->lvts_data->msr_offset;
                } else if (lvts_ctrl->lvts_data->def_calibration) {
                        lvts_ctrl->calibration[i] = lvts_ctrl->lvts_data->def_calibration;
                } else {
                        dev_err(dev, "efuse contains invalid calibration data and no default given.\n");
                        return -ENODATA;
                }
        }

        return 0;
}

/*
 * The efuse bytes stream can be split into different chunk of
 * nvmems. This function reads and concatenate those into a single
 * buffer so it can be read sequentially when initializing the
 * calibration data.
 */
static int lvts_calibration_read(struct device *dev, struct lvts_domain *lvts_td,
                                        const struct lvts_data *lvts_data)
{
        struct device_node *np = dev_of_node(dev);
        struct nvmem_cell *cell;
        struct property *prop;
        const char *cell_name;

        of_property_for_each_string(np, "nvmem-cell-names", prop, cell_name) {
                size_t len;
                u8 *efuse;

                cell = of_nvmem_cell_get(np, cell_name);
                if (IS_ERR(cell)) {
                        dev_err(dev, "Failed to get cell '%s'\n", cell_name);
                        return PTR_ERR(cell);
                }

                efuse = nvmem_cell_read(cell, &len);

                nvmem_cell_put(cell);

                if (IS_ERR(efuse)) {
                        dev_err(dev, "Failed to read cell '%s'\n", cell_name);
                        return PTR_ERR(efuse);
                }

                lvts_td->calib = devm_krealloc(dev, lvts_td->calib,
                                               lvts_td->calib_len + len, GFP_KERNEL);
                if (!lvts_td->calib) {
                        kfree(efuse);
                        return -ENOMEM;
                }

                memcpy(lvts_td->calib + lvts_td->calib_len, efuse, len);

                lvts_td->calib_len += len;

                kfree(efuse);
        }

        return 0;
}

static int lvts_golden_temp_init(struct device *dev, u8 *calib,
                                 const struct lvts_data *lvts_data)
{
        u32 gt;

        /*
         * The golden temp information is contained in the first 32-bit
         * word  of efuse data at a specific bit offset.
         */
        gt = (((u32 *)calib)[0] >> lvts_data->gt_calib_bit_offset) & 0xff;

        /* A zero value for gt means that device has invalid efuse data */
        if (gt && gt < LVTS_GOLDEN_TEMP_MAX)
                golden_temp = gt;

        golden_temp_offset = golden_temp * 500 + lvts_data->temp_offset;

        dev_info(dev, "%sgolden temp=%d\n", gt ? "" : "fake ", golden_temp);

        return 0;
}

static int lvts_ctrl_init(struct device *dev, struct lvts_domain *lvts_td,
                                        const struct lvts_data *lvts_data)
{
        size_t size = sizeof(*lvts_td->lvts_ctrl) * lvts_data->num_lvts_ctrl;
        struct lvts_ctrl *lvts_ctrl;
        int i, ret;

        /*
         * Create the calibration bytes stream from efuse data
         */
        ret = lvts_calibration_read(dev, lvts_td, lvts_data);
        if (ret)
                return ret;

        ret = lvts_golden_temp_init(dev, lvts_td->calib, lvts_data);
        if (ret)
                return ret;

        lvts_ctrl = devm_kzalloc(dev, size, GFP_KERNEL);
        if (!lvts_ctrl)
                return -ENOMEM;

        for (i = 0; i < lvts_data->num_lvts_ctrl; i++) {

                lvts_ctrl[i].base = lvts_td->base + lvts_data->lvts_ctrl[i].offset;
                lvts_ctrl[i].lvts_data = lvts_data;

                ret = lvts_sensor_init(dev, &lvts_ctrl[i],
                                       &lvts_data->lvts_ctrl[i]);
                if (ret)
                        return ret;

                ret = lvts_calibration_init(dev, &lvts_ctrl[i],
                                            &lvts_data->lvts_ctrl[i],
                                            lvts_td->calib,
                                            lvts_td->calib_len);
                if (ret)
                        return ret;

                /*
                 * The mode the ctrl will use to read the temperature
                 * (filtered or immediate)
                 */
                lvts_ctrl[i].mode = lvts_data->lvts_ctrl[i].mode;

                lvts_ctrl[i].low_thresh = INT_MIN;
                lvts_ctrl[i].high_thresh = INT_MIN;
        }

        /*
         * We no longer need the efuse bytes stream, let's free it
         */
        devm_kfree(dev, lvts_td->calib);

        lvts_td->lvts_ctrl = lvts_ctrl;
        lvts_td->num_lvts_ctrl = lvts_data->num_lvts_ctrl;

        return 0;
}

static void lvts_ctrl_monitor_enable(struct device *dev, struct lvts_ctrl *lvts_ctrl, bool enable)
{
        /*
         * Bitmaps to enable each sensor on filtered mode in the MONCTL0
         * register.
         */
        static const u8 sensor_filt_bitmap[] = { BIT(0), BIT(1), BIT(2), BIT(3) };
        u32 sensor_map = 0;
        int i;

        if (lvts_ctrl->mode == LVTS_MSR_IMMEDIATE_MODE)
                return;

        if (enable) {
                lvts_for_each_valid_sensor(i, lvts_ctrl)
                        sensor_map |= sensor_filt_bitmap[i];
        }

        /*
         * Bits:
         *      9: Single point access flow
         *    0-3: Enable sensing point 0-3
         */
        writel(sensor_map | BIT(9), LVTS_MONCTL0(lvts_ctrl->base));
}

/*
 * At this point the configuration register is the only place in the
 * driver where we write multiple values. Per hardware constraint,
 * each write in the configuration register must be separated by a
 * delay of 2 us.
 */
static void lvts_write_config(struct lvts_ctrl *lvts_ctrl, const u32 *cmds, int nr_cmds)
{
        int i;

        /*
         * Configuration register
         */
        for (i = 0; i < nr_cmds; i++) {
                writel(cmds[i], LVTS_CONFIG(lvts_ctrl->base));
                usleep_range(2, 4);
        }
}

static int lvts_irq_init(struct lvts_ctrl *lvts_ctrl)
{
        /*
         * LVTS_PROTCTL : Thermal Protection Sensor Selection
         *
         * Bits:
         *
         * 19-18 : Sensor to base the protection on
         * 17-16 : Strategy:
         *         00 : Average of 4 sensors
         *         01 : Max of 4 sensors
         *         10 : Selected sensor with bits 19-18
         *         11 : Reserved
         */

        /*
         * LVTS_PROTTA : Stage 1 temperature threshold
         * LVTS_PROTTB : Stage 2 temperature threshold
         * LVTS_PROTTC : Stage 3 temperature threshold
         *
         * Bits:
         *
         * 14-0: Raw temperature threshold
         *
         * writel(0x0, LVTS_PROTTA(lvts_ctrl->base));
         * writel(0x0, LVTS_PROTTB(lvts_ctrl->base));
         * writel(0x0, LVTS_PROTTC(lvts_ctrl->base));
         */

        /*
         * LVTS_MONINT : Interrupt configuration register
         *
         * The LVTS_MONINT register layout is the same as the LVTS_MONINTSTS
         * register, except we set the bits to enable the interrupt.
         */
        writel(0, LVTS_MONINT(lvts_ctrl->base));

        return 0;
}

static int lvts_domain_reset(struct device *dev, struct reset_control *reset)
{
        int ret;

        ret = reset_control_assert(reset);
        if (ret)
                return ret;

        return reset_control_deassert(reset);
}

/*
 * Enable or disable the clocks of a specified thermal controller
 */
static int lvts_ctrl_set_enable(struct lvts_ctrl *lvts_ctrl, int enable)
{
        /*
         * LVTS_CLKEN : Internal LVTS clock
         *
         * Bits:
         *
         * 0 : enable / disable clock
         */
        writel(enable, LVTS_CLKEN(lvts_ctrl->base));

        return 0;
}

static int lvts_ctrl_connect(struct device *dev, struct lvts_ctrl *lvts_ctrl)
{
        const struct lvts_data *lvts_data = lvts_ctrl->lvts_data;
        u32 id;

        lvts_write_config(lvts_ctrl, lvts_data->conn_cmd, lvts_data->num_conn_cmd);

        /*
         * LVTS_ID : Get ID and status of the thermal controller
         *
         * Bits:
         *
         * 0-5  : thermal controller id
         *   7  : thermal controller connection is valid
         */
        id = readl(LVTS_ID(lvts_ctrl->base));
        if (!(id & BIT(7)))
                return -EIO;

        return 0;
}

static int lvts_ctrl_initialize(struct device *dev, struct lvts_ctrl *lvts_ctrl)
{
        const struct lvts_data *lvts_data = lvts_ctrl->lvts_data;

        lvts_write_config(lvts_ctrl, lvts_data->init_cmd, lvts_data->num_init_cmd);

        return 0;
}

static int lvts_ctrl_calibrate(struct device *dev, struct lvts_ctrl *lvts_ctrl)
{
        int i;
        void __iomem *lvts_edata[] = {
                LVTS_EDATA00(lvts_ctrl->base),
                LVTS_EDATA01(lvts_ctrl->base),
                LVTS_EDATA02(lvts_ctrl->base),
                LVTS_EDATA03(lvts_ctrl->base)
        };

        /*
         * LVTS_EDATA0X : Efuse calibration reference value for sensor X
         *
         * Bits:
         *
         * 20-0 : Efuse value for normalization data
         */
        for (i = 0; i < LVTS_SENSOR_MAX; i++)
                writel(lvts_ctrl->calibration[i], lvts_edata[i]);

        /* LVTS_MSROFT : Constant offset applied to MSR values
         * for post-processing
         *
         * Bits:
         *
         * 20-0 : Constant data added to MSR values
         */
        if (lvts_ctrl->lvts_data->msr_offset)
                writel(lvts_ctrl->lvts_data->msr_offset,
                       LVTS_MSROFT(lvts_ctrl->base));

        return 0;
}

static int lvts_ctrl_configure(struct device *dev, struct lvts_ctrl *lvts_ctrl)
{
        u32 value;

        /*
         * LVTS_TSSEL : Sensing point index numbering
         *
         * Bits:
         *
         * 31-24: ADC Sense 3
         * 23-16: ADC Sense 2
         * 15-8 : ADC Sense 1
         * 7-0  : ADC Sense 0
         */
        value = LVTS_TSSEL_CONF;
        writel(value, LVTS_TSSEL(lvts_ctrl->base));

        /*
         * LVTS_CALSCALE : ADC voltage round
         */
        value = 0x300;
        value = LVTS_CALSCALE_CONF;

        /*
         * LVTS_MSRCTL0 : Sensor filtering strategy
         *
         * Filters:
         *
         * 000 : One sample
         * 001 : Avg 2 samples
         * 010 : 4 samples, drop min and max, avg 2 samples
         * 011 : 6 samples, drop min and max, avg 4 samples
         * 100 : 10 samples, drop min and max, avg 8 samples
         * 101 : 18 samples, drop min and max, avg 16 samples
         *
         * Bits:
         *
         * 0-2  : Sensor0 filter
         * 3-5  : Sensor1 filter
         * 6-8  : Sensor2 filter
         * 9-11 : Sensor3 filter
         */
        value = LVTS_HW_FILTER << 9 |  LVTS_HW_FILTER << 6 |
                        LVTS_HW_FILTER << 3 | LVTS_HW_FILTER;
        writel(value, LVTS_MSRCTL0(lvts_ctrl->base));

        /*
         * LVTS_MONCTL1 : Period unit and group interval configuration
         *
         * The clock source of LVTS thermal controller is 26MHz.
         *
         * The period unit is a time base for all the interval delays
         * specified in the registers. By default we use 12. The time
         * conversion is done by multiplying by 256 and 1/26.10^6
         *
         * An interval delay multiplied by the period unit gives the
         * duration in seconds.
         *
         * - Filter interval delay is a delay between two samples of
         * the same sensor.
         *
         * - Sensor interval delay is a delay between two samples of
         * different sensors.
         *
         * - Group interval delay is a delay between different rounds.
         *
         * For example:
         *     If Period unit = C, filter delay = 1, sensor delay = 2, group delay = 1,
         *     and two sensors, TS1 and TS2, are in a LVTS thermal controller
         *     and then
         *     Period unit time = C * 1/26M * 256 = 12 * 38.46ns * 256 = 118.149us
         *     Filter interval delay = 1 * Period unit = 118.149us
         *     Sensor interval delay = 2 * Period unit = 236.298us
         *     Group interval delay = 1 * Period unit = 118.149us
         *
         *     TS1    TS1 ... TS1    TS2    TS2 ... TS2    TS1...
         *        <--> Filter interval delay
         *                       <--> Sensor interval delay
         *                                             <--> Group interval delay
         * Bits:
         *      29 - 20 : Group interval
         *      16 - 13 : Send a single interrupt when crossing the hot threshold (1)
         *                or an interrupt everytime the hot threshold is crossed (0)
         *       9 - 0  : Period unit
         *
         */
        value = LVTS_GROUP_INTERVAL << 20 | LVTS_PERIOD_UNIT;
        writel(value, LVTS_MONCTL1(lvts_ctrl->base));

        /*
         * LVTS_MONCTL2 : Filtering and sensor interval
         *
         * Bits:
         *
         *      25-16 : Interval unit in PERIOD_UNIT between sample on
         *              the same sensor, filter interval
         *       9-0  : Interval unit in PERIOD_UNIT between each sensor
         *
         */
        value = LVTS_FILTER_INTERVAL << 16 | LVTS_SENSOR_INTERVAL;
        writel(value, LVTS_MONCTL2(lvts_ctrl->base));

        return lvts_irq_init(lvts_ctrl);
}

static int lvts_ctrl_start(struct device *dev, struct lvts_ctrl *lvts_ctrl)
{
        struct lvts_sensor *lvts_sensors = lvts_ctrl->sensors;
        struct thermal_zone_device *tz;
        u32 sensor_map = 0;
        int i;
        /*
         * Bitmaps to enable each sensor on immediate and filtered modes, as
         * described in MSRCTL1 and MONCTL0 registers below, respectively.
         */
        u32 sensor_imm_bitmap[] = { BIT(4), BIT(5), BIT(6), BIT(9) };
        u32 sensor_filt_bitmap[] = { BIT(0), BIT(1), BIT(2), BIT(3) };

        u32 *sensor_bitmap = lvts_ctrl->mode == LVTS_MSR_IMMEDIATE_MODE ?
                             sensor_imm_bitmap : sensor_filt_bitmap;

        lvts_for_each_valid_sensor(i, lvts_ctrl) {

                int dt_id = lvts_sensors[i].dt_id;

                tz = devm_thermal_of_zone_register(dev, dt_id, &lvts_sensors[i],
                                                   &lvts_ops);
                if (IS_ERR(tz)) {
                        /*
                         * This thermal zone is not described in the
                         * device tree. It is not an error from the
                         * thermal OF code POV, we just continue.
                         */
                        if (PTR_ERR(tz) == -ENODEV)
                                continue;

                        return PTR_ERR(tz);
                }

                devm_thermal_add_hwmon_sysfs(dev, tz);

                /*
                 * The thermal zone pointer will be needed in the
                 * interrupt handler, we store it in the sensor
                 * structure. The thermal domain structure will be
                 * passed to the interrupt handler private data as the
                 * interrupt is shared for all the controller
                 * belonging to the thermal domain.
                 */
                lvts_sensors[i].tz = tz;

                /*
                 * This sensor was correctly associated with a thermal
                 * zone, let's set the corresponding bit in the sensor
                 * map, so we can enable the temperature monitoring in
                 * the hardware thermal controller.
                 */
                sensor_map |= sensor_bitmap[i];
        }

        /*
         * The initialization of the thermal zones give us
         * which sensor point to enable. If any thermal zone
         * was not described in the device tree, it won't be
         * enabled here in the sensor map.
         */
        if (lvts_ctrl->mode == LVTS_MSR_IMMEDIATE_MODE) {
                /*
                 * LVTS_MSRCTL1 : Measurement control
                 *
                 * Bits:
                 *
                 * 9: Ignore MSRCTL0 config and do immediate measurement on sensor3
                 * 6: Ignore MSRCTL0 config and do immediate measurement on sensor2
                 * 5: Ignore MSRCTL0 config and do immediate measurement on sensor1
                 * 4: Ignore MSRCTL0 config and do immediate measurement on sensor0
                 *
                 * That configuration will ignore the filtering and the delays
                 * introduced in MONCTL1 and MONCTL2
                 */
                writel(sensor_map, LVTS_MSRCTL1(lvts_ctrl->base));
        } else {
                /*
                 * Bits:
                 *      9: Single point access flow
                 *    0-3: Enable sensing point 0-3
                 */
                writel(sensor_map | BIT(9), LVTS_MONCTL0(lvts_ctrl->base));
        }

        return 0;
}

static int lvts_domain_init(struct device *dev, struct lvts_domain *lvts_td,
                                        const struct lvts_data *lvts_data)
{
        struct lvts_ctrl *lvts_ctrl;
        int i, ret;

        ret = lvts_ctrl_init(dev, lvts_td, lvts_data);
        if (ret)
                return ret;

        ret = lvts_domain_reset(dev, lvts_td->reset);
        if (ret) {
                dev_dbg(dev, "Failed to reset domain");
                return ret;
        }

        for (i = 0; i < lvts_td->num_lvts_ctrl; i++) {

                lvts_ctrl = &lvts_td->lvts_ctrl[i];

                /*
                 * Initialization steps:
                 *
                 * - Enable the clock
                 * - Connect to the LVTS
                 * - Initialize the LVTS
                 * - Prepare the calibration data
                 * - Select monitored sensors
                 * [ Configure sampling ]
                 * [ Configure the interrupt ]
                 * - Start measurement
                 */
                ret = lvts_ctrl_set_enable(lvts_ctrl, true);
                if (ret) {
                        dev_dbg(dev, "Failed to enable LVTS clock");
                        return ret;
                }

                ret = lvts_ctrl_connect(dev, lvts_ctrl);
                if (ret) {
                        dev_dbg(dev, "Failed to connect to LVTS controller");
                        return ret;
                }

                ret = lvts_ctrl_initialize(dev, lvts_ctrl);
                if (ret) {
                        dev_dbg(dev, "Failed to initialize controller");
                        return ret;
                }

                ret = lvts_ctrl_calibrate(dev, lvts_ctrl);
                if (ret) {
                        dev_dbg(dev, "Failed to calibrate controller");
                        return ret;
                }

                ret = lvts_ctrl_configure(dev, lvts_ctrl);
                if (ret) {
                        dev_dbg(dev, "Failed to configure controller");
                        return ret;
                }

                ret = lvts_ctrl_start(dev, lvts_ctrl);
                if (ret) {
                        dev_dbg(dev, "Failed to start controller");
                        return ret;
                }
        }

        return lvts_debugfs_init(dev, lvts_td);
}

static int lvts_probe(struct platform_device *pdev)
{
        const struct lvts_data *lvts_data;
        struct lvts_domain *lvts_td;
        struct device *dev = &pdev->dev;
        struct resource *res;
        int irq, ret;

        lvts_td = devm_kzalloc(dev, sizeof(*lvts_td), GFP_KERNEL);
        if (!lvts_td)
                return -ENOMEM;

        lvts_data = of_device_get_match_data(dev);
        if (!lvts_data)
                return -ENODEV;

        lvts_td->clk = devm_clk_get_enabled(dev, NULL);
        if (IS_ERR(lvts_td->clk))
                return dev_err_probe(dev, PTR_ERR(lvts_td->clk), "Failed to retrieve clock\n");

        res = platform_get_mem_or_io(pdev, 0);
        if (!res)
                return dev_err_probe(dev, (-ENXIO), "No IO resource\n");

        lvts_td->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
        if (IS_ERR(lvts_td->base))
                return dev_err_probe(dev, PTR_ERR(lvts_td->base), "Failed to map io resource\n");

        lvts_td->reset = devm_reset_control_get_by_index(dev, 0);
        if (IS_ERR(lvts_td->reset))
                return dev_err_probe(dev, PTR_ERR(lvts_td->reset), "Failed to get reset control\n");

        irq = platform_get_irq(pdev, 0);
        if (irq < 0)
                return irq;

        golden_temp_offset = lvts_data->temp_offset;

        ret = lvts_domain_init(dev, lvts_td, lvts_data);
        if (ret)
                return dev_err_probe(dev, ret, "Failed to initialize the lvts domain\n");

        /*
         * At this point the LVTS is initialized and enabled. We can
         * safely enable the interrupt.
         */
        ret = devm_request_threaded_irq(dev, irq, NULL, lvts_irq_handler,
                                        IRQF_ONESHOT, dev_name(dev), lvts_td);
        if (ret)
                return dev_err_probe(dev, ret, "Failed to request interrupt\n");

        platform_set_drvdata(pdev, lvts_td);

        return 0;
}

static void lvts_remove(struct platform_device *pdev)
{
        struct lvts_domain *lvts_td;
        int i;

        lvts_td = platform_get_drvdata(pdev);

        for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
                lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], false);
}

static const struct lvts_ctrl_data mt7987_lvts_ap_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT7987_CPU,
                          .cal_offsets = { 0x04, 0x05, 0x06 } },
                        { .dt_id = MT7987_ETH2P5G,
                          .cal_offsets = { 0x08, 0x09, 0x0a } },
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x0,
                .mode = LVTS_MSR_FILTERED_MODE,
        },
};

static const struct lvts_ctrl_data mt7988_lvts_ap_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT7988_CPU_0,
                          .cal_offsets = { 0x00, 0x01, 0x02 } },
                        { .dt_id = MT7988_CPU_1,
                          .cal_offsets = { 0x04, 0x05, 0x06 } },
                        { .dt_id = MT7988_ETH2P5G_0,
                          .cal_offsets = { 0x08, 0x09, 0x0a } },
                        { .dt_id = MT7988_ETH2P5G_1,
                          .cal_offsets = { 0x0c, 0x0d, 0x0e } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x0,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT7988_TOPS_0,
                           .cal_offsets = { 0x14, 0x15, 0x16 } },
                        { .dt_id = MT7988_TOPS_1,
                           .cal_offsets = { 0x18, 0x19, 0x1a } },
                        { .dt_id = MT7988_ETHWARP_0,
                           .cal_offsets = { 0x1c, 0x1d, 0x1e } },
                        { .dt_id = MT7988_ETHWARP_1,
                           .cal_offsets = { 0x20, 0x21, 0x22 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x100,
        }
};

static int lvts_suspend(struct device *dev)
{
        struct lvts_domain *lvts_td;
        int i;

        lvts_td = dev_get_drvdata(dev);

        for (i = 0; i < lvts_td->num_lvts_ctrl; i++) {
                lvts_ctrl_monitor_enable(dev, &lvts_td->lvts_ctrl[i], false);
                usleep_range(100, 200);
                lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], false);
        }

        clk_disable_unprepare(lvts_td->clk);

        return 0;
}

static int lvts_resume(struct device *dev)
{
        struct lvts_domain *lvts_td;
        int i, ret;

        lvts_td = dev_get_drvdata(dev);

        ret = clk_prepare_enable(lvts_td->clk);
        if (ret)
                return ret;

        for (i = 0; i < lvts_td->num_lvts_ctrl; i++) {
                lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], true);
                usleep_range(100, 200);
                lvts_ctrl_monitor_enable(dev, &lvts_td->lvts_ctrl[i], true);
        }

        return 0;
}

static const u32 default_conn_cmds[] = { 0xC103FFFF, 0xC502FF55 };
static const u32 mt7988_conn_cmds[] = { 0xC103FFFF, 0xC502FC55 };

/*
 * Write device mask: 0xC1030000
 */
static const u32 default_init_cmds[] = {
        0xC1030E01, 0xC1030CFC, 0xC1030A8C, 0xC103098D, 0xC10308F1,
        0xC10307A6, 0xC10306B8, 0xC1030500, 0xC1030420, 0xC1030300,
        0xC1030030, 0xC10300F6, 0xC1030050, 0xC1030060, 0xC10300AC,
        0xC10300FC, 0xC103009D, 0xC10300F1, 0xC10300E1
};

static const u32 mt7987_init_cmds[] = {
        0xC1030300, 0xC1030420, 0xC1030500, 0xC10307A6, 0xC10308C7,
        0xC103098D, 0xC1030C7C, 0xC1030AA8, 0xC10308CE, 0xC10308C7,
        0xC1030B04, 0xC1030E01, 0xC10306B8
};

static const u32 mt7988_init_cmds[] = {
        0xC1030300, 0xC1030420, 0xC1030500, 0xC10307A6, 0xC1030CFC,
        0xC1030A8C, 0xC103098D, 0xC10308F1, 0xC1030B04, 0xC1030E01,
        0xC10306B8
};

/*
 * The MT8186 calibration data is stored as packed 3-byte little-endian
 * values using a weird layout that makes sense only when viewed as a 32-bit
 * hexadecimal word dump. Let's suppose SxBy where x = sensor number and
 * y = byte number where the LSB is y=0. We then have:
 *
 *   [S0B2-S0B1-S0B0-S1B2] [S1B1-S1B0-S2B2-S2B1] [S2B0-S3B2-S3B1-S3B0]
 *
 * However, when considering a byte stream, those appear as follows:
 *
 *   [S1B2] [S0B0[ [S0B1] [S0B2] [S2B1] [S2B2] [S1B0] [S1B1] [S3B0] [S3B1] [S3B2] [S2B0]
 *
 * Hence the rather confusing offsets provided below.
 */
static const struct lvts_ctrl_data mt8186_lvts_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT8186_LITTLE_CPU0,
                          .cal_offsets = { 5, 6, 7 } },
                        { .dt_id = MT8186_LITTLE_CPU1,
                          .cal_offsets = { 10, 11, 4 } },
                        { .dt_id = MT8186_LITTLE_CPU2,
                          .cal_offsets = { 15, 8, 9 } },
                        { .dt_id = MT8186_CAM,
                          .cal_offsets = { 12, 13, 14 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x0,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8186_BIG_CPU0,
                          .cal_offsets = { 22, 23, 16 } },
                        { .dt_id = MT8186_BIG_CPU1,
                          .cal_offsets = { 27, 20, 21 } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x100,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8186_NNA,
                          .cal_offsets = { 29, 30, 31 } },
                        { .dt_id = MT8186_ADSP,
                          .cal_offsets = { 34, 35, 28 } },
                        { .dt_id = MT8186_GPU,
                          .cal_offsets = { 39, 32, 33 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 0),
                .offset = 0x200,
        }
};

static const struct lvts_ctrl_data mt8188_lvts_mcu_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT8188_MCU_LITTLE_CPU0,
                          .cal_offsets = { 22, 23, 24 } },
                        { .dt_id = MT8188_MCU_LITTLE_CPU1,
                          .cal_offsets = { 25, 26, 27 } },
                        { .dt_id = MT8188_MCU_LITTLE_CPU2,
                          .cal_offsets = { 28, 29, 30 } },
                        { .dt_id = MT8188_MCU_LITTLE_CPU3,
                          .cal_offsets = { 31, 32, 33 } },
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x0,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8188_MCU_BIG_CPU0,
                          .cal_offsets = { 34, 35, 36 } },
                        { .dt_id = MT8188_MCU_BIG_CPU1,
                          .cal_offsets = { 37, 38, 39 } },
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x100,
        }
};

static const struct lvts_ctrl_data mt8188_lvts_ap_data_ctrl[] = {
        {
                .lvts_sensor = {

                        { /* unused */ },
                        { .dt_id = MT8188_AP_APU,
                          .cal_offsets = { 40, 41, 42 } },
                },
                VALID_SENSOR_MAP(0, 1, 0, 0),
                .offset = 0x0,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8188_AP_GPU0,
                          .cal_offsets = { 43, 44, 45 } },
                        { .dt_id = MT8188_AP_GPU1,
                          .cal_offsets = { 46, 47, 48 } },
                        { .dt_id = MT8188_AP_ADSP,
                          .cal_offsets = { 49, 50, 51 } },
                },
                VALID_SENSOR_MAP(1, 1, 1, 0),
                .offset = 0x100,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8188_AP_VDO,
                          .cal_offsets = { 52, 53, 54 } },
                        { .dt_id = MT8188_AP_INFRA,
                          .cal_offsets = { 55, 56, 57 } },
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x200,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8188_AP_CAM1,
                          .cal_offsets = { 58, 59, 60 } },
                        { .dt_id = MT8188_AP_CAM2,
                          .cal_offsets = { 61, 62, 63 } },
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x300,
        }
};

static const struct lvts_ctrl_data mt8192_lvts_mcu_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT8192_MCU_BIG_CPU0,
                          .cal_offsets = { 0x04, 0x05, 0x06 } },
                        { .dt_id = MT8192_MCU_BIG_CPU1,
                          .cal_offsets = { 0x08, 0x09, 0x0a } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x0,
                .mode = LVTS_MSR_FILTERED_MODE,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8192_MCU_BIG_CPU2,
                          .cal_offsets = { 0x0c, 0x0d, 0x0e } },
                        { .dt_id = MT8192_MCU_BIG_CPU3,
                          .cal_offsets = { 0x10, 0x11, 0x12 } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x100,
                .mode = LVTS_MSR_FILTERED_MODE,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8192_MCU_LITTLE_CPU0,
                          .cal_offsets = { 0x14, 0x15, 0x16 } },
                        { .dt_id = MT8192_MCU_LITTLE_CPU1,
                          .cal_offsets = { 0x18, 0x19, 0x1a } },
                        { .dt_id = MT8192_MCU_LITTLE_CPU2,
                          .cal_offsets = { 0x1c, 0x1d, 0x1e } },
                        { .dt_id = MT8192_MCU_LITTLE_CPU3,
                          .cal_offsets = { 0x20, 0x21, 0x22 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x200,
                .mode = LVTS_MSR_FILTERED_MODE,
        }
};

static const struct lvts_ctrl_data mt8192_lvts_ap_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT8192_AP_VPU0,
                          .cal_offsets = { 0x24, 0x25, 0x26 } },
                        { .dt_id = MT8192_AP_VPU1,
                          .cal_offsets = { 0x28, 0x29, 0x2a } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x0,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8192_AP_GPU0,
                          .cal_offsets = { 0x2c, 0x2d, 0x2e } },
                        { .dt_id = MT8192_AP_GPU1,
                          .cal_offsets = { 0x30, 0x31, 0x32 } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x100,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8192_AP_INFRA,
                          .cal_offsets = { 0x34, 0x35, 0x36 } },
                        { .dt_id = MT8192_AP_CAM,
                          .cal_offsets = { 0x38, 0x39, 0x3a } },
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x200,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8192_AP_MD0,
                          .cal_offsets = { 0x3c, 0x3d, 0x3e } },
                        { .dt_id = MT8192_AP_MD1,
                          .cal_offsets = { 0x40, 0x41, 0x42 } },
                        { .dt_id = MT8192_AP_MD2,
                          .cal_offsets = { 0x44, 0x45, 0x46 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 0),
                .offset = 0x300,
        }
};

static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT8195_MCU_BIG_CPU0,
                          .cal_offsets = { 0x04, 0x05, 0x06 } },
                        { .dt_id = MT8195_MCU_BIG_CPU1,
                          .cal_offsets = { 0x07, 0x08, 0x09 } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x0,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8195_MCU_BIG_CPU2,
                          .cal_offsets = { 0x0d, 0x0e, 0x0f } },
                        { .dt_id = MT8195_MCU_BIG_CPU3,
                          .cal_offsets = { 0x10, 0x11, 0x12 } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x100,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8195_MCU_LITTLE_CPU0,
                          .cal_offsets = { 0x16, 0x17, 0x18 } },
                        { .dt_id = MT8195_MCU_LITTLE_CPU1,
                          .cal_offsets = { 0x19, 0x1a, 0x1b } },
                        { .dt_id = MT8195_MCU_LITTLE_CPU2,
                          .cal_offsets = { 0x1c, 0x1d, 0x1e } },
                        { .dt_id = MT8195_MCU_LITTLE_CPU3,
                          .cal_offsets = { 0x1f, 0x20, 0x21 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x200,
        }
};

static const struct lvts_ctrl_data mt8195_lvts_ap_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT8195_AP_VPU0,
                          .cal_offsets = { 0x25, 0x26, 0x27 } },
                        { .dt_id = MT8195_AP_VPU1,
                          .cal_offsets = { 0x28, 0x29, 0x2a } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x0,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8195_AP_GPU0,
                          .cal_offsets = { 0x2e, 0x2f, 0x30 } },
                        { .dt_id = MT8195_AP_GPU1,
                          .cal_offsets = { 0x31, 0x32, 0x33 } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x100,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8195_AP_VDEC,
                          .cal_offsets = { 0x37, 0x38, 0x39 } },
                        { .dt_id = MT8195_AP_IMG,
                          .cal_offsets = { 0x3a, 0x3b, 0x3c } },
                        { .dt_id = MT8195_AP_INFRA,
                          .cal_offsets = { 0x3d, 0x3e, 0x3f } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 0),
                .offset = 0x200,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8195_AP_CAM0,
                          .cal_offsets = { 0x43, 0x44, 0x45 } },
                        { .dt_id = MT8195_AP_CAM1,
                          .cal_offsets = { 0x46, 0x47, 0x48 } }
                },
                VALID_SENSOR_MAP(1, 1, 0, 0),
                .offset = 0x300,
        }
};

static const struct lvts_ctrl_data mt8196_lvts_mcu_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT8196_MCU_MEDIUM_CPU6_0,
                          .cal_offsets = { 0x06, 0x07 } },
                        { .dt_id = MT8196_MCU_MEDIUM_CPU6_1,
                          .cal_offsets = { 0x04, 0x05 } },
                        { .dt_id = MT8196_MCU_DSU2,
                          .cal_offsets = { 0x0A, 0x0B } },
                        { .dt_id = MT8196_MCU_DSU3,
                          .cal_offsets = { 0x08, 0x09 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x0,
                .mode = LVTS_MSR_ATP_MODE,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8196_MCU_LITTLE_CPU3,
                          .cal_offsets = { 0x0E, 0x0F } },
                        { .dt_id = MT8196_MCU_LITTLE_CPU0,
                          .cal_offsets = { 0x0C, 0x0D } },
                        { .dt_id = MT8196_MCU_LITTLE_CPU1,
                          .cal_offsets = { 0x12, 0x13 } },
                        { .dt_id = MT8196_MCU_LITTLE_CPU2,
                          .cal_offsets = { 0x10, 0x11 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x100,
                .mode = LVTS_MSR_ATP_MODE,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8196_MCU_MEDIUM_CPU4_0,
                          .cal_offsets = { 0x16, 0x17 } },
                        { .dt_id = MT8196_MCU_MEDIUM_CPU4_1,
                          .cal_offsets = { 0x14, 0x15 } },
                        { .dt_id = MT8196_MCU_MEDIUM_CPU5_0,
                          .cal_offsets = { 0x1A, 0x1B } },
                        { .dt_id = MT8196_MCU_MEDIUM_CPU5_1,
                          .cal_offsets = { 0x18, 0x19 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x200,
                .mode = LVTS_MSR_ATP_MODE,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8196_MCU_DSU0,
                          .cal_offsets = { 0x1E, 0x1F } },
                        { .dt_id = MT8196_MCU_DSU1,
                          .cal_offsets = { 0x1C, 0x1D } },
                        { .dt_id = MT8196_MCU_BIG_CPU7_0,
                          .cal_offsets = { 0x22, 0x23 } },
                        { .dt_id = MT8196_MCU_BIG_CPU7_1,
                          .cal_offsets = { 0x20, 0x21 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x300,
                .mode = LVTS_MSR_ATP_MODE,
        }
};

static const struct lvts_ctrl_data mt8196_lvts_ap_data_ctrl[] = {
        {
                .lvts_sensor = {
                        { .dt_id = MT8196_AP_TOP0,
                          .cal_offsets = { 0x32, 0x33 } },
                        { .dt_id = MT8196_AP_TOP1,
                          .cal_offsets = { 0x30, 0x31 } },
                        { .dt_id = MT8196_AP_TOP2,
                          .cal_offsets = { 0x36, 0x37 } },
                        { .dt_id = MT8196_AP_TOP3,
                          .cal_offsets = { 0x34, 0x35 } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x0,
                .mode = LVTS_MSR_ATP_MODE,
        },
        {
                .lvts_sensor = {
                        { .dt_id = MT8196_AP_BOT0,
                          .cal_offsets = { 0x3A, 0x3B } },
                        { .dt_id = MT8196_AP_BOT1,
                          .cal_offsets = { 0x38, 0x39 } },
                        { .dt_id = MT8196_AP_BOT2,
                          .cal_offsets = { 0x3E, 0x3F } },
                        { .dt_id = MT8196_AP_BOT3,
                          .cal_offsets = { 0x3C, 0x3D } }
                },
                VALID_SENSOR_MAP(1, 1, 1, 1),
                .offset = 0x100,
                .mode = LVTS_MSR_ATP_MODE,
        }
};

static const struct lvts_platform_ops lvts_platform_ops_mt7988 = {
        .lvts_raw_to_temp = lvts_raw_to_temp_mt7988,
        .lvts_temp_to_raw = lvts_temp_to_raw_mt7988,
};

static const struct lvts_platform_ops lvts_platform_ops_mt8196 = {
        .lvts_raw_to_temp = lvts_raw_to_temp_mt7988,
        .lvts_temp_to_raw = lvts_temp_to_raw_mt8196,
};

static const struct lvts_data mt7987_lvts_ap_data = {
        .lvts_ctrl      = mt7987_lvts_ap_data_ctrl,
        .num_lvts_ctrl  = ARRAY_SIZE(mt7987_lvts_ap_data_ctrl),
        .conn_cmd       = mt7988_conn_cmds,
        .init_cmd       = mt7987_init_cmds,
        .num_conn_cmd   = ARRAY_SIZE(mt7988_conn_cmds),
        .num_init_cmd   = ARRAY_SIZE(mt7987_init_cmds),
        .temp_factor    = LVTS_COEFF_A_MT7987,
        .temp_offset    = LVTS_COEFF_B_MT7987,
        .gt_calib_bit_offset = 32,
        .def_calibration = 19380,
};

static const struct lvts_data mt7988_lvts_ap_data = {
        .lvts_ctrl      = mt7988_lvts_ap_data_ctrl,
        .conn_cmd       = mt7988_conn_cmds,
        .init_cmd       = mt7988_init_cmds,
        .num_lvts_ctrl  = ARRAY_SIZE(mt7988_lvts_ap_data_ctrl),
        .num_conn_cmd   = ARRAY_SIZE(mt7988_conn_cmds),
        .num_init_cmd   = ARRAY_SIZE(mt7988_init_cmds),
        .temp_factor    = LVTS_COEFF_A_MT7988,
        .temp_offset    = LVTS_COEFF_B_MT7988,
        .gt_calib_bit_offset = 24,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT7988,
        .ops = &lvts_platform_ops_mt7988,
};

static const struct lvts_data mt8186_lvts_data = {
        .lvts_ctrl      = mt8186_lvts_data_ctrl,
        .conn_cmd       = default_conn_cmds,
        .init_cmd       = default_init_cmds,
        .num_lvts_ctrl  = ARRAY_SIZE(mt8186_lvts_data_ctrl),
        .num_conn_cmd   = ARRAY_SIZE(default_conn_cmds),
        .num_init_cmd   = ARRAY_SIZE(default_init_cmds),
        .temp_factor    = LVTS_COEFF_A_MT7988,
        .temp_offset    = LVTS_COEFF_B_MT7988,
        .gt_calib_bit_offset = 24,
        .def_calibration = 19000,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT7988,
        .ops = &lvts_platform_ops_mt7988,
};

static const struct lvts_data mt8188_lvts_mcu_data = {
        .lvts_ctrl      = mt8188_lvts_mcu_data_ctrl,
        .conn_cmd       = default_conn_cmds,
        .init_cmd       = default_init_cmds,
        .num_lvts_ctrl  = ARRAY_SIZE(mt8188_lvts_mcu_data_ctrl),
        .num_conn_cmd   = ARRAY_SIZE(default_conn_cmds),
        .num_init_cmd   = ARRAY_SIZE(default_init_cmds),
        .temp_factor    = LVTS_COEFF_A_MT8195,
        .temp_offset    = LVTS_COEFF_B_MT8195,
        .gt_calib_bit_offset = 20,
        .def_calibration = 35000,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT7988,
        .ops = &lvts_platform_ops_mt7988,
};

static const struct lvts_data mt8188_lvts_ap_data = {
        .lvts_ctrl      = mt8188_lvts_ap_data_ctrl,
        .conn_cmd       = default_conn_cmds,
        .init_cmd       = default_init_cmds,
        .num_lvts_ctrl  = ARRAY_SIZE(mt8188_lvts_ap_data_ctrl),
        .num_conn_cmd   = ARRAY_SIZE(default_conn_cmds),
        .num_init_cmd   = ARRAY_SIZE(default_init_cmds),
        .temp_factor    = LVTS_COEFF_A_MT8195,
        .temp_offset    = LVTS_COEFF_B_MT8195,
        .gt_calib_bit_offset = 20,
        .def_calibration = 35000,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT7988,
        .ops = &lvts_platform_ops_mt7988,
};

static const struct lvts_data mt8192_lvts_mcu_data = {
        .lvts_ctrl      = mt8192_lvts_mcu_data_ctrl,
        .conn_cmd       = default_conn_cmds,
        .init_cmd       = default_init_cmds,
        .num_lvts_ctrl  = ARRAY_SIZE(mt8192_lvts_mcu_data_ctrl),
        .num_conn_cmd   = ARRAY_SIZE(default_conn_cmds),
        .num_init_cmd   = ARRAY_SIZE(default_init_cmds),
        .temp_factor    = LVTS_COEFF_A_MT8195,
        .temp_offset    = LVTS_COEFF_B_MT8195,
        .gt_calib_bit_offset = 24,
        .def_calibration = 35000,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT7988,
        .ops = &lvts_platform_ops_mt7988,
};

static const struct lvts_data mt8192_lvts_ap_data = {
        .lvts_ctrl      = mt8192_lvts_ap_data_ctrl,
        .conn_cmd       = default_conn_cmds,
        .init_cmd       = default_init_cmds,
        .num_lvts_ctrl  = ARRAY_SIZE(mt8192_lvts_ap_data_ctrl),
        .num_conn_cmd   = ARRAY_SIZE(default_conn_cmds),
        .num_init_cmd   = ARRAY_SIZE(default_init_cmds),
        .temp_factor    = LVTS_COEFF_A_MT8195,
        .temp_offset    = LVTS_COEFF_B_MT8195,
        .gt_calib_bit_offset = 24,
        .def_calibration = 35000,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT7988,
        .ops = &lvts_platform_ops_mt7988,
};

static const struct lvts_data mt8195_lvts_mcu_data = {
        .lvts_ctrl      = mt8195_lvts_mcu_data_ctrl,
        .conn_cmd       = default_conn_cmds,
        .init_cmd       = default_init_cmds,
        .num_lvts_ctrl  = ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl),
        .num_conn_cmd   = ARRAY_SIZE(default_conn_cmds),
        .num_init_cmd   = ARRAY_SIZE(default_init_cmds),
        .temp_factor    = LVTS_COEFF_A_MT8195,
        .temp_offset    = LVTS_COEFF_B_MT8195,
        .gt_calib_bit_offset = 24,
        .def_calibration = 35000,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT7988,
        .ops = &lvts_platform_ops_mt7988,
};

static const struct lvts_data mt8195_lvts_ap_data = {
        .lvts_ctrl      = mt8195_lvts_ap_data_ctrl,
        .conn_cmd       = default_conn_cmds,
        .init_cmd       = default_init_cmds,
        .num_lvts_ctrl  = ARRAY_SIZE(mt8195_lvts_ap_data_ctrl),
        .num_conn_cmd   = ARRAY_SIZE(default_conn_cmds),
        .num_init_cmd   = ARRAY_SIZE(default_init_cmds),
        .temp_factor    = LVTS_COEFF_A_MT8195,
        .temp_offset    = LVTS_COEFF_B_MT8195,
        .gt_calib_bit_offset = 24,
        .def_calibration = 35000,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT7988,
        .ops = &lvts_platform_ops_mt7988,
};

static const struct lvts_data mt8196_lvts_mcu_data = {
        .lvts_ctrl      = mt8196_lvts_mcu_data_ctrl,
        .num_lvts_ctrl  = ARRAY_SIZE(mt8196_lvts_mcu_data_ctrl),
        .temp_factor    = LVTS_COEFF_A_MT8196,
        .temp_offset    = LVTS_COEFF_B_MT8196,
        .gt_calib_bit_offset = 0,
        .def_calibration = 14437,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT8196,
        .msr_offset = LVTS_MSR_OFFSET_MT8196,
        .ops = &lvts_platform_ops_mt8196,
};

static const struct lvts_data mt8196_lvts_ap_data = {
        .lvts_ctrl      = mt8196_lvts_ap_data_ctrl,
        .num_lvts_ctrl  = ARRAY_SIZE(mt8196_lvts_ap_data_ctrl),
        .temp_factor    = LVTS_COEFF_A_MT8196,
        .temp_offset    = LVTS_COEFF_B_MT8196,
        .gt_calib_bit_offset = 0,
        .def_calibration = 14437,
        .num_cal_offsets = LVTS_NUM_CAL_OFFSETS_MT8196,
        .msr_offset = LVTS_MSR_OFFSET_MT8196,
        .ops = &lvts_platform_ops_mt8196,
};

static const struct of_device_id lvts_of_match[] = {
        { .compatible = "mediatek,mt7987-lvts-ap", .data = &mt7987_lvts_ap_data },
        { .compatible = "mediatek,mt7988-lvts-ap", .data = &mt7988_lvts_ap_data },
        { .compatible = "mediatek,mt8186-lvts", .data = &mt8186_lvts_data },
        { .compatible = "mediatek,mt8188-lvts-mcu", .data = &mt8188_lvts_mcu_data },
        { .compatible = "mediatek,mt8188-lvts-ap", .data = &mt8188_lvts_ap_data },
        { .compatible = "mediatek,mt8192-lvts-mcu", .data = &mt8192_lvts_mcu_data },
        { .compatible = "mediatek,mt8192-lvts-ap", .data = &mt8192_lvts_ap_data },
        { .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data },
        { .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_data },
        { .compatible = "mediatek,mt8196-lvts-mcu", .data = &mt8196_lvts_mcu_data },
        { .compatible = "mediatek,mt8196-lvts-ap", .data = &mt8196_lvts_ap_data },
        {},
};
MODULE_DEVICE_TABLE(of, lvts_of_match);

static const struct dev_pm_ops lvts_pm_ops = {
        NOIRQ_SYSTEM_SLEEP_PM_OPS(lvts_suspend, lvts_resume)
};

static struct platform_driver lvts_driver = {
        .probe = lvts_probe,
        .remove = lvts_remove,
        .driver = {
                .name = "mtk-lvts-thermal",
                .of_match_table = lvts_of_match,
                .pm = &lvts_pm_ops,
        },
};
module_platform_driver(lvts_driver);

MODULE_AUTHOR("Balsam CHIHI <bchihi@baylibre.com>");
MODULE_DESCRIPTION("MediaTek LVTS Thermal Driver");
MODULE_LICENSE("GPL");