smbus.c File Reference

#include <device/device.h>
#include <device/path.h>
#include <device/smbus.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <soc/smbus.h>
#include <device/smbus_host.h>
#include <intelblocks/tco.h>
#include "smbuslib.h"

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Go to the source code of this file.

Functions
static int	lsmbus_read_byte (struct device *dev, u8 address)
static int	lsmbus_write_byte (struct device *dev, u8 address, u8 data)
static void	pch_smbus_init (struct device *dev)
static void	smbus_read_resources (struct device *dev)
static void	finalize_smbus (struct device *dev)

Variables
static struct smbus_bus_operations	lops_smbus_bus
static struct device_operations	smbus_ops
static const unsigned short	pci_device_ids []
static const struct pci_driver pch_smbus	__pci_driver

Function Documentation

finalize_smbus()

static void finalize_smbus ( struct device *  dev )

static

Definition at line 74 of file smbus.c.

References CONFIG, and tco_lockdown().

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lsmbus_read_byte()

static int lsmbus_read_byte ( struct device *  dev, u8  address  )

static

Definition at line 13 of file smbus.c.

References address, resource::base, bus::dev, i2c_path::device, device, do_smbus_read_byte(), find_resource(), get_pbus_smbus(), device_path::i2c, device::path, and PCI_BASE_ADDRESS_4.

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lsmbus_write_byte()

static int lsmbus_write_byte ( struct device *  dev, u8  address, u8  data  )

static

Definition at line 24 of file smbus.c.

pch_smbus_init()

static void pch_smbus_init ( struct device *  dev )

static

Definition at line 41 of file smbus.c.

References resource::base, PCI_BASE_ADDRESS_4, pci_update_config32(), probe_resource(), smbus_set_slave_addr(), and SMBUS_SLAVE_ADDR.

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smbus_read_resources()

static void smbus_read_resources ( struct device *  dev )

static

Definition at line 55 of file smbus.c.

References resource::base, resource::flags, IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_IO, IORESOURCE_RESERVE, IORESOURCE_STORED, resource::limit, new_resource(), PCI_BASE_ADDRESS_4, pci_dev_read_resources(), resource::size, and SMBUS_IO_BASE.

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Variable Documentation

__pci_driver

const struct pci_driver pch_smbus __pci_driver

static

Initial value:

= {
        .ops     = &smbus_ops,
        .vendor  = PCI_VID_INTEL,
        .devices         = pci_device_ids,
}

Definition at line 91 of file smbus.c.

lops_smbus_bus

struct smbus_bus_operations lops_smbus_bus

static

Initial value:

= {
        .read_byte      = lsmbus_read_byte,
        .write_byte     = lsmbus_write_byte,
}

Definition at line 24 of file smbus.c.

pci_device_ids

const unsigned short pci_device_ids[]

static

Initial value:

= {
        PCI_DID_INTEL_MTL_SMBUS,
        PCI_DID_INTEL_APL_SMBUS,
        PCI_DID_INTEL_CNL_SMBUS,
        PCI_DID_INTEL_CNP_H_SMBUS,
        PCI_DID_INTEL_SPT_LP_SMBUS,
        PCI_DID_INTEL_SPT_H_SMBUS,
        PCI_DID_INTEL_LWB_SMBUS_SUPER,
        PCI_DID_INTEL_LWB_SMBUS,
        PCI_DID_INTEL_ICP_LP_SMBUS,
        PCI_DID_INTEL_CMP_SMBUS,
        PCI_DID_INTEL_CMP_H_SMBUS,
        PCI_DID_INTEL_TGP_LP_SMBUS,
        PCI_DID_INTEL_TGP_H_SMBUS,
        PCI_DID_INTEL_MCC_SMBUS,
        PCI_DID_INTEL_JSP_SMBUS,
        PCI_DID_INTEL_ADP_P_SMBUS,
        PCI_DID_INTEL_ADP_S_SMBUS,
        PCI_DID_INTEL_ADP_M_N_SMBUS,
        PCI_DID_INTEL_DNV_SMBUS_LEGACY,
        0
}

Definition at line 91 of file smbus.c.

smbus_ops

struct device_operations smbus_ops

static

Initial value:

= {
        .read_resources         = smbus_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .scan_bus               = scan_smbus,
        .init                   = pch_smbus_init,
        .ops_pci                = &pci_dev_ops_pci,
        .ops_smbus_bus          = &lops_smbus_bus,
        .final                  = finalize_smbus,
}

Definition at line 74 of file smbus.c.