hx30: implement intel dtt support

reference PR#955

Signed-off-by: LeoCX_Tsai <LeoCX_Tsai@compal.com>

Author: LeoCX-Tsai

board/hx30/board.h

@@ -363,6 +363,8 @@
 #define EC_MEMMAP_ER1_BATT_MANUF_DAY		0x44 /* Manufacturer date - day */
 #define EC_MEMMAP_ER1_BATT_MANUF_MONTH		0x45 /* Manufacturer date - month */
 #define EC_MEMMAP_ER1_BATT_MANUF_YEAR		0x46 /* Manufacturer date - year */
+#define EC_CUSTOMIZED_MEMMAP_DTT_TEMP 		0x60
+
 
 #define EC_BATT_FLAG_FULL		BIT(0) /* Full Charged */
 #define EC_BATT_TYPE			BIT(1) /* (0: NiMh,1: LION) */
@@ -463,6 +465,12 @@
  */
 #define CONFIG_FAN_VIRTUAL_TEMP
 
+/*
+ * Enable more temp memmap for intel DTT
+ */
+#define CONFIG_DTT_SUPPORT
+
+#define CONFIG_CUSTOMIZED_DESIGN
 
 /* LED signals */
 /*

board/hx30/build.mk

@@ -25,3 +25,4 @@ board-$(CONFIG_POWER_BUTTON_CUSTOM) += power_button_x86.o
 board-$(CONFIG_PECI) += peci_customization.o peci_over_espi.o
 board-$(HAS_TASK_HOSTCMD) += host_command_customization.o
 board-$(CONFIG_I2C_HID_MEDIAKEYS) += i2c_hid_mediakeys.o
+board-$(CONFIG_DTT_SUPPORT) += temperature.o

board/hx30/temperature.c

@@ -0,0 +1,59 @@
+/* Copyright 2024 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#include "config.h"
+#include "chipset.h"
+#include "charge_state.h"
+#include "driver/temp_sensor/f75303.h"
+#include "driver/temp_sensor/f75397.h"
+#include "temp_sensor.h"
+#include "console.h"
+#include "peci.h"
+
+/* update the mk temperature to offset EC_MEMMAP_CUSTOM_TEMP */
+__override void board_update_temperature_mk(enum temp_sensor_id id)
+{
+	int temp_mk_ptr = KELVIN_TO_MILLI_KELVIN(C_TO_K(0)) / 100;
+	const struct batt_params *batt = charger_current_battery_params();
+
+	switch (id) {
+	case 0:
+		/* QN3, local-f75397 */
+		f75397_get_val_mk(TEMP_SENSOR_LOCAL,
+				 &temp_mk_ptr);
+		temp_mk_ptr = temp_mk_ptr / 100;
+		break;
+	case 1:
+		f75303_get_val_mk(TEMP_SENSOR_CPU,
+				 &temp_mk_ptr);
+		temp_mk_ptr = temp_mk_ptr / 100;
+		/* QN2, cpu-f75303 */
+		break;
+	case 2:
+		/* battery temp */
+		temp_mk_ptr = batt->temperature;
+		break;
+	case 3:
+		/* QN1, ddr_f75303 */
+		f75303_get_val_mk(TEMP_SENSOR_DDR,
+				 &temp_mk_ptr);
+		temp_mk_ptr = temp_mk_ptr / 100;
+		break;
+	case 4:
+		/* PECI temp */
+		peci_temp_sensor_get_val(0, &temp_mk_ptr);
+		temp_mk_ptr = temp_mk_ptr * 10;
+		break;
+	default:
+		break;
+	}
+
+	*host_get_memmap(EC_CUSTOMIZED_MEMMAP_DTT_TEMP + id * 2) =
+		(uint8_t)(temp_mk_ptr & 0xFF);
+
+	*host_get_memmap(EC_CUSTOMIZED_MEMMAP_DTT_TEMP + id * 2 + 1) =
+		(uint8_t)((temp_mk_ptr >> 8) & 0xFF);
+}

common/temp_sensor.c

@@ -51,6 +51,9 @@ static void update_mapped_memory(void)
 			break;
 		case EC_SUCCESS:
 			*mptr = t - EC_TEMP_SENSOR_OFFSET;
+#ifdef CONFIG_CUSTOMIZED_DESIGN
+			board_update_temperature_mk(i);
+#endif			
 			break;
 		default:
 			*mptr = EC_TEMP_SENSOR_ERROR;

common/thermal.c

@@ -26,6 +26,14 @@
 /*****************************************************************************/
 /* EC-specific thermal controls */
 
+#ifdef CONFIG_CUSTOMIZED_DESIGN
+
+__overridable void board_update_temperature_mk(enum temp_sensor_id id)
+{
+}
+
+#endif
+
 test_mockable_static void smi_sensor_failure_warning(void)
 {
 	CPRINTS("can't read any temp sensors!");

include/common.h

@@ -200,6 +200,7 @@
 #define K_TO_C(temp_c) ((temp_c) - 273)
 #define CELSIUS_TO_DECI_KELVIN(temp_c) ((temp_c) * 10 + 2731)
 #define MILLI_CELSIUS_TO_MILLI_KELVIN(temp_mc) ((temp_mc) + 273150)
+#define KELVIN_TO_MILLI_KELVIN(temp_k) ((temp_k) * 1000)
 #define DECI_KELVIN_TO_CELSIUS(temp_dk) ((temp_dk - 2731) / 10)
 #define MILLI_KELVIN_TO_KELVIN(temp_mk) (round_divide((temp_mk), 1000))
 

include/temp_sensor.h

@@ -56,5 +56,12 @@ extern const struct temp_sensor_t temp_sensors[];
  * @return EC_SUCCESS, or non-zero if error.
  */
 int temp_sensor_read(enum temp_sensor_id id, int *temp_ptr);
+#ifdef CONFIG_CUSTOMIZED_DESIGN
 
+/**
+ * Update the mk unit namespace for intel DTT feature
+ */
+__override_proto void board_update_temperature_mk(enum temp_sensor_id id);
+
+#endif
 #endif  /* __CROS_EC_TEMP_SENSOR_H */