fby3: add hook functions

meta-facebook/yv3-dl/src/platform/plat_hook.c

@@ -0,0 +1,218 @@
+#include <stdio.h>
+#include <string.h>
+#include "ipmi.h"
+#include "sensor.h"
+#include "plat_i2c.h"
+#include "plat_gpio.h"
+#include "plat_hook.h"
+#include "plat_sensor_table.h"
+#include "i2c-mux-tca9548.h"
+
+
+/**************************************************************************************************
+ * INIT ARGS
+**************************************************************************************************/
+adc_asd_init_arg adc_asd_init_args[] = { [0] = { .is_init = false } };
+
+ltc4282_init_arg ltc4282_init_args[] = { [0] = { .r_sense = 0.00025 } };
+
+/**************************************************************************************************
+ *  PRE-HOOK/POST-HOOK ARGS
+ **************************************************************************************************/
+struct tca9548 mux_conf_addr_0xe2[8] = {
+	[0] = { .addr = 0xe2, .chan = 0 },
+	[1] = { .addr = 0xe2, .chan = 1 },
+	[2] = { .addr = 0xe2, .chan = 2 },
+	[3] = { .addr = 0xe2, .chan = 3 },
+	[4] = { .addr = 0xe2, .chan = 4 },
+	[5] = { .addr = 0xe2, .chan = 5 },
+	[6] = { .addr = 0xe2, .chan = 6 },
+	[7] = { .addr = 0xe2, .chan = 7 },
+};
+
+vr_pre_proc_arg vr_page_select[] = {
+	[0] = { 0x0 },
+	[1] = { 0x1 },
+};
+
+/**************************************************************************************************
+ *  PRE-HOOK/POST-HOOK FUNC
+ **************************************************************************************************/
+
+/* NVME pre read function
+ *
+ * set mux
+ *
+ * @param sensor_num sensor number
+ * @param args pointer to struct tca9548
+ * @param reading pointer to reading from previous step
+ * @retval true if setting mux is successful.
+ * @retval false if setting mux fails.
+ */
+bool pre_nvme_read(uint8_t sensor_num, void *args)
+{
+	if (args == NULL) {
+		return false;
+	}
+
+	if (!tca9548_select_chan(sensor_num, (struct tca9548 *)args)) {
+		return false;
+	}
+
+	return true;
+}
+
+/* INTEL PECI post read function
+ *
+ * modify certain sensor value after reading
+ *
+ * @param sensor_num sensor number
+ * @param args pointer to NULL
+ * @param reading pointer to reading from previous step
+ * @retval true if no error
+ * @retval false if reading get NULL
+ */
+
+bool post_cpu_margin_read(uint8_t sensor_num, void *args, int *reading)
+{
+	if (reading == NULL) {
+		return false;
+	}
+	ARG_UNUSED(args);
+
+	sensor_val *sval = (sensor_val *)reading;
+	sval->integer = -sval->integer; /* for BMC minus */
+	return true;
+}
+
+/* AST ADC pre read function
+ *
+ * set gpio high if sensor is "SENSOR_NUM_V_BAT"
+ *
+ * @param sensor_num sensor number
+ * @param args pointer to NULL
+ * @param reading pointer to reading from previous step
+ * @retval true always.
+ */
+bool pre_vol_bat3v_read(uint8_t sensor_num, void *args)
+{
+	ARG_UNUSED(args);
+
+	if (sensor_num == SENSOR_NUM_V_BAT) {
+		gpio_set(A_P3V_BAT_SCALED_EN, GPIO_HIGH);
+		k_msleep(1);
+	}
+
+	return true;
+}
+
+/* AST ADC post read function
+ *
+ * set gpio low if sensor is "SENSOR_NUM_V_BAT"
+ *
+ * @param sensor_num sensor number
+ * @param args pointer to NULL
+ * @param reading pointer to reading from previous step
+ * @retval true always.
+ */
+bool post_vol_bat3v_read(uint8_t sensor_num, void *args, int *reading)
+{
+	ARG_UNUSED(args);
+	ARG_UNUSED(reading);
+
+	if (sensor_num == SENSOR_NUM_V_BAT)
+		gpio_set(A_P3V_BAT_SCALED_EN, GPIO_LOW);
+
+	return true;
+}
+
+/* VR pre read function
+ *
+ * set mux and VR page
+ *
+ * @param sensor_num sensor number
+ * @param args pointer to vr_pre_proc_arg
+ * @param reading pointer to reading from previous step
+ * @retval true if setting mux and page is successful.
+ * @retval false if setting mux or page fails.
+ */
+bool pre_vr_read(uint8_t sensor_num, void *args)
+{
+	if (args == NULL) {
+		return false;
+	}
+
+	vr_pre_proc_arg *vr_page_select = (vr_pre_proc_arg *)args;
+	uint8_t retry = 5;
+	I2C_MSG msg;
+
+	/* set page */
+	msg.bus = sensor_config[sensor_config_index_map[sensor_num]].port;
+	msg.target_addr = sensor_config[sensor_config_index_map[sensor_num]].target_addr;
+	msg.tx_len = 2;
+	msg.data[0] = 0x00;
+	msg.data[1] = vr_page_select->vr_page;
+	if (i2c_master_write(&msg, retry)) {
+		printf("%s, set page fail\n", __func__);
+		return false;
+	}
+	return true;
+}
+
+/* xdpe12284c post read function
+ *
+ * modify certain sensor value after reading
+ *
+ * @param sensor_num sensor number
+ * @param args pointer to NULL
+ * @param reading pointer to reading from previous step
+ * @retval true if success.
+ */
+bool post_xdpe12284c_read(uint8_t sensor_num, void *args, int *reading)
+{
+	if (reading == NULL) {
+		return false;
+	}
+	ARG_UNUSED(args);
+
+	sensor_val *sval = (sensor_val *)reading;
+	float val = 0;
+
+	if (sensor_num == SENSOR_NUM_VOL_P3V3_STBY_VR) {
+		val = (float)sval->integer + (sval->fraction / 1000.0);
+		val *= 2;
+		sval->integer = (int)val & 0xFFFF;
+		sval->fraction = (val - sval->integer) * 1000;
+	}
+
+	return true;
+}
+
+/* isl69254 post read function
+ *
+ * modify certain sensor value after reading
+ *
+ * @param sensor_num sensor number
+ * @param args pointer to NULL
+ * @param reading pointer to reading from previous step
+ * @retval true if success.
+ */
+bool post_isl69254_read(uint8_t sensor_num, void *args, int *reading)
+{
+	if (reading == NULL) {
+		return false;
+	}
+	ARG_UNUSED(args);
+
+	sensor_val *sval = (sensor_val *)reading;
+	float val = 0;
+
+	if (sensor_num == SENSOR_NUM_VOL_P3V3_STBY_VR) {
+		val = (float)sval->integer + (sval->fraction / 1000.0);
+		val = (val * 996 / 499);
+		sval->integer = (int)val & 0xFFFF;
+		sval->fraction = (val - sval->integer) * 1000;
+	}
+
+	return true;
+}

meta-facebook/yv3-dl/src/platform/plat_hook.h

@@ -0,0 +1,37 @@
+#ifndef PLAT_HOOK_H
+#define PLAT_HOOK_H
+
+typedef struct _vr_pre_proc_arg {
+    /* vr page to set */
+    uint8_t vr_page;
+} vr_pre_proc_arg;
+
+
+/**************************************************************************************************
+ * INIT ARGS
+**************************************************************************************************/
+
+extern adc_asd_init_arg adc_asd_init_args[];
+extern ltc4282_init_arg ltc4282_init_args[];
+
+/**************************************************************************************************
+ *  PRE-HOOK/POST-HOOK ARGS
+ **************************************************************************************************/
+
+extern struct tca9548 mux_conf_addr_0xe2[];
+extern vr_pre_proc_arg vr_page_select[];
+
+/**************************************************************************************************
+ *  PRE-HOOK/POST-HOOK FUNC
+ **************************************************************************************************/
+
+bool pre_nvme_read(uint8_t sensor_num, void *args);
+bool pre_vol_bat3v_read(uint8_t sensor_num, void *args);
+bool post_vol_bat3v_read(uint8_t sensor_num, void *args, int *reading);
+bool post_cpu_margin_read(uint8_t sensor_num, void *args, int *reading);
+bool pre_vr_read(uint8_t sensor_num, void *args);
+bool post_xdpe12284c_read(uint8_t sensor_num, void *args, int *reading);
+bool post_isl69254_read(uint8_t sensor_num, void *args, int *reading);
+
+
+#endif