#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;
rc = readl_poll_timeout(msr, value, value & BIT(16),
LVTS_MSR_READ_WAIT_US, LVTS_MSR_READ_TIMEOUT_US);
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) {
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;
pr_debug("%s: Setting low limit temperature interrupt: %d\n",
thermal_zone_device_type(tz), low);
writel(raw_low, LVTS_OFFSETL(base));
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;
value = readl(LVTS_MONINTSTS(lvts_ctrl->base));
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;
}
writel(value, LVTS_MONINTSTS(lvts_ctrl->base));
return iret;
}
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;
lvts_sensor[i].id = i;
lvts_sensor[i].dt_id = dt_id;
lvts_sensor[i].base = lvts_ctrl->base;
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;
calib_val |= efuse_calibration[offset] << (8 * i);
}
*calib = calib_val;
return 0;
}
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;
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;
}
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;
gt = (((u32 *)calib)[0] >> lvts_data->gt_calib_bit_offset) & 0xff;
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;
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;
lvts_ctrl[i].mode = lvts_data->lvts_ctrl[i].mode;
lvts_ctrl[i].low_thresh = INT_MIN;
lvts_ctrl[i].high_thresh = INT_MIN;
}
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)
{
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];
}
writel(sensor_map | BIT(9), LVTS_MONCTL0(lvts_ctrl->base));
}
static void lvts_write_config(struct lvts_ctrl *lvts_ctrl, const u32 *cmds, int nr_cmds)
{
int i;
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)
{
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);
}
static int lvts_ctrl_set_enable(struct lvts_ctrl *lvts_ctrl, int enable)
{
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);
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)
};
for (i = 0; i < LVTS_SENSOR_MAX; i++)
writel(lvts_ctrl->calibration[i], lvts_edata[i]);
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;
value = LVTS_TSSEL_CONF;
writel(value, LVTS_TSSEL(lvts_ctrl->base));
value = 0x300;
value = LVTS_CALSCALE_CONF;
value = LVTS_HW_FILTER << 9 | LVTS_HW_FILTER << 6 |
LVTS_HW_FILTER << 3 | LVTS_HW_FILTER;
writel(value, LVTS_MSRCTL0(lvts_ctrl->base));
value = LVTS_GROUP_INTERVAL << 20 | LVTS_PERIOD_UNIT;
writel(value, LVTS_MONCTL1(lvts_ctrl->base));
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;
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)) {
if (PTR_ERR(tz) == -ENODEV)
continue;
return PTR_ERR(tz);
}
devm_thermal_add_hwmon_sysfs(dev, tz);
lvts_sensors[i].tz = tz;
sensor_map |= sensor_bitmap[i];
}
if (lvts_ctrl->mode == LVTS_MSR_IMMEDIATE_MODE) {
writel(sensor_map, LVTS_MSRCTL1(lvts_ctrl->base));
} else {
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];
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");
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 };
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
};
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 = {
{ },
{ .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");