Public Platform Environment Control Interface driver APIs. More...

#include <errno.h>
#include <zephyr/types.h>
#include <stddef.h>
#include <zephyr/device.h>
#include <zephyr/syscalls/peci.h>

Data Structures
struct	peci_buf
	PECI buffer structure. More...

struct	peci_msg
	PECI transaction packet format. More...

Macros
PECI read/write supported responses.
#define	PECI_CC_RSP_SUCCESS (0x40U)

#define	PECI_CC_RSP_TIMEOUT (0x80U)

#define	PECI_CC_OUT_OF_RESOURCES_TIMEOUT (0x81U)

#define	PECI_CC_RESOURCES_LOWPWR_TIMEOUT (0x82U)

#define	PECI_CC_ILLEGAL_REQUEST (0x90U)

Ping command format.
#define	PECI_PING_WR_LEN (0U)

#define	PECI_PING_RD_LEN (0U)

#define	PECI_PING_LEN (3U)

GetDIB command format.
#define	PECI_GET_DIB_WR_LEN (1U)

#define	PECI_GET_DIB_RD_LEN (8U)

#define	PECI_GET_DIB_CMD_LEN (4U)

#define	PECI_GET_DIB_DEVINFO (0U)

#define	PECI_GET_DIB_REVNUM (1U)

#define	PECI_GET_DIB_DOMAIN_BIT_MASK (0x4U)

#define	PECI_GET_DIB_MAJOR_REV_MASK 0xF0

#define	PECI_GET_DIB_MINOR_REV_MASK 0x0F

GetTemp command format.
#define	PECI_GET_TEMP_WR_LEN (1U)

#define	PECI_GET_TEMP_RD_LEN (2U)

#define	PECI_GET_TEMP_CMD_LEN (4U)

#define	PECI_GET_TEMP_LSB (0U)

#define	PECI_GET_TEMP_MSB (1U)

#define	PECI_GET_TEMP_ERR_MSB (0x80U)

#define	PECI_GET_TEMP_ERR_LSB_GENERAL (0x0U)

#define	PECI_GET_TEMP_ERR_LSB_RES (0x1U)

#define	PECI_GET_TEMP_ERR_LSB_TEMP_LO (0x2U)

#define	PECI_GET_TEMP_ERR_LSB_TEMP_HI (0x3U)

RdPkgConfig command format.
#define	PECI_RD_PKG_WR_LEN (5U)

#define	PECI_RD_PKG_LEN_BYTE (2U)

#define	PECI_RD_PKG_LEN_WORD (3U)

#define	PECI_RD_PKG_LEN_DWORD (5U)

#define	PECI_RD_PKG_CMD_LEN (8U)

WrPkgConfig command format.
#define	PECI_WR_PKG_RD_LEN (1U)

#define	PECI_WR_PKG_LEN_BYTE (7U)

#define	PECI_WR_PKG_LEN_WORD (8U)

#define	PECI_WR_PKG_LEN_DWORD (10U)

#define	PECI_WR_PKG_CMD_LEN (9U)

RdIAMSR command format.
#define	PECI_RD_IAMSR_WR_LEN (5U)

#define	PECI_RD_IAMSR_LEN_BYTE (2U)

#define	PECI_RD_IAMSR_LEN_WORD (3U)

#define	PECI_RD_IAMSR_LEN_DWORD (5U)

#define	PECI_RD_IAMSR_LEN_QWORD (9U)

#define	PECI_RD_IAMSR_CMD_LEN (8U)

WrIAMSR command format.
#define	PECI_WR_IAMSR_RD_LEN (1U)

#define	PECI_WR_IAMSR_LEN_BYTE (7U)

#define	PECI_WR_IAMSR_LEN_WORD (8U)

#define	PECI_WR_IAMSR_LEN_DWORD (10U)

#define	PECI_WR_IAMSR_LEN_QWORD (14U)

#define	PECI_WR_IAMSR_CMD_LEN (9U)

RdPCIConfig command format.
#define	PECI_RD_PCICFG_WR_LEN (6U)

#define	PECI_RD_PCICFG_LEN_BYTE (2U)

#define	PECI_RD_PCICFG_LEN_WORD (3U)

#define	PECI_RD_PCICFG_LEN_DWORD (5U)

#define	PECI_RD_PCICFG_CMD_LEN (9U)

WrPCIConfig command format.
#define	PECI_WR_PCICFG_RD_LEN (1U)

#define	PECI_WR_PCICFG_LEN_BYTE (8U)

#define	PECI_WR_PCICFG_LEN_WORD (9U)

#define	PECI_WR_PCICFG_LEN_DWORD (11U)

#define	PECI_WR_PCICFG_CMD_LEN (10U)

RdPCIConfigLocal command format.
#define	PECI_RD_PCICFGL_WR_LEN (5U)

#define	PECI_RD_PCICFGL_RD_LEN_BYTE (2U)

#define	PECI_RD_PCICFGL_RD_LEN_WORD (3U)

#define	PECI_RD_PCICFGL_RD_LEN_DWORD (5U)

#define	PECI_RD_PCICFGL_CMD_LEN (8U)

WrPCIConfigLocal command format.
#define	PECI_WR_PCICFGL_RD_LEN (1U)

#define	PECI_WR_PCICFGL_WR_LEN_BYTE (7U)

#define	PECI_WR_PCICFGL_WR_LEN_WORD (8U)

#define	PECI_WR_PCICFGL_WR_LEN_DWORD (10U)

#define	PECI_WR_PCICFGL_CMD_LEN (9U)

Enumerations
enum	peci_error_code { PECI_GENERAL_SENSOR_ERROR = 0x8000 , PECI_UNDERFLOW_SENSOR_ERROR = 0x8002 , PECI_OVERFLOW_SENSOR_ERROR = 0x8003 }
	PECI error codes. More...

enum	peci_command_code { PECI_CMD_PING = 0x00 , PECI_CMD_GET_TEMP0 = 0x01 , PECI_CMD_GET_TEMP1 = 0x02 , PECI_CMD_RD_PCI_CFG0 = 0x61 , PECI_CMD_RD_PCI_CFG1 = 0x62 , PECI_CMD_WR_PCI_CFG0 = 0x65 , PECI_CMD_WR_PCI_CFG1 = 0x66 , PECI_CMD_RD_PKG_CFG0 = 0xA1 , PECI_CMD_RD_PKG_CFG1 = 0xA , PECI_CMD_WR_PKG_CFG0 = 0xA5 , PECI_CMD_WR_PKG_CFG1 = 0xA6 , PECI_CMD_RD_IAMSR0 = 0xB1 , PECI_CMD_RD_IAMSR1 = 0xB2 , PECI_CMD_WR_IAMSR0 = 0xB5 , PECI_CMD_WR_IAMSR1 = 0xB6 , PECI_CMD_RD_PCI_CFG_LOCAL0 = 0xE1 , PECI_CMD_RD_PCI_CFG_LOCAL1 = 0xE2 , PECI_CMD_WR_PCI_CFG_LOCAL0 = 0xE5 , PECI_CMD_WR_PCI_CFG_LOCAL1 = 0xE6 , PECI_CMD_GET_DIB = 0xF7 }
	PECI commands. More...

Functions
int	peci_config (const struct device *dev, uint32_t bitrate)
	Configures the PECI interface.

int	peci_enable (const struct device *dev)
	Enable PECI interface.

int	peci_disable (const struct device *dev)
	Disable PECI interface.

int	peci_transfer (const struct device dev, struct peci_msg msg)
	Performs a PECI transaction.

Detailed Description

Public Platform Environment Control Interface driver APIs.

Data Structures

Macros

Enumerations

Functions

Detailed Description