i2c.c File Reference

#include <device/pci_ops.h>
#include <console/console.h>
#include <device/device.h>
#include <device/i2c_simple.h>
#include <device/pci.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <drivers/i2c/designware/dw_i2c.h>
#include <intelblocks/cfg.h>
#include <intelblocks/lpss.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>

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Functions
int	dw_i2c_soc_dev_to_bus (const struct device *dev)
const struct dw_i2c_bus_config *	dw_i2c_get_soc_cfg (unsigned int bus)
uintptr_t	dw_i2c_get_soc_early_base (unsigned int bus)
static int	lpss_i2c_early_init_bus (unsigned int bus)
uintptr_t	dw_i2c_base_address (unsigned int bus)

Function Documentation

dw_i2c_base_address()

uintptr_t dw_i2c_base_address

(

unsigned int

bus

)

Definition at line 83 of file i2c.c.

References ALIGN_DOWN, soc_i2c_ctrlr_info::bar, base, BIOS_ERR, dw_i2c_soc_bus_to_devfn(), lpss_i2c_early_init_bus(), NULL, PCI_BASE_ADDRESS_0, PCI_DEV, PCI_FUNC, pci_read_config32(), PCI_SLOT, printk, and soc_get_i2c_ctrlr_info().

Referenced by dw_i2c_acpi_fill_ssdt().

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dw_i2c_get_soc_cfg()

const struct dw_i2c_bus_config* dw_i2c_get_soc_cfg

(

unsigned int

bus

)

Definition at line 23 of file i2c.c.

References BIOS_ERR, chip_get_common_soc_structure(), soc_intel_common_config::i2c, NULL, printk, and soc_get_i2c_bus_config().

Referenced by dw_i2c_acpi_fill_ssdt(), and dw_i2c_dev_init().

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dw_i2c_get_soc_early_base()

uintptr_t dw_i2c_get_soc_early_base

(

unsigned int

bus

)

Definition at line 32 of file i2c.c.

References EARLY_I2C_BASE.

Referenced by lpss_i2c_early_init_bus().

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dw_i2c_soc_dev_to_bus()

int dw_i2c_soc_dev_to_bus

(

const struct device *

dev

)

Definition at line 16 of file i2c.c.

References mmio_path::addr, soc_i2c_ctrlr_info::bar, BIOS_ERR, pci_path::devfn, die(), dw_i2c_soc_devfn_to_bus(), device_path::mmio, device::path, device_path::pci, printk, and soc_get_i2c_ctrlr_info().

Referenced by dw_i2c_acpi_fill_ssdt(), and dw_i2c_dev_init().

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lpss_i2c_early_init_bus()

static int lpss_i2c_early_init_bus ( unsigned int  bus )

static

Definition at line 38 of file i2c.c.

References base, BIOS_DEBUG, BIOS_ERR, CB_SUCCESS, config, dw_i2c_get_soc_cfg(), dw_i2c_get_soc_early_base(), dw_i2c_init(), dw_i2c_soc_bus_to_devfn(), lpss_reset_release(), lpss_set_power_state(), PCI_BASE_ADDRESS_0, PCI_COMMAND, PCI_COMMAND_MASTER, PCI_COMMAND_MEMORY, PCI_DEV, PCI_FUNC, PCI_SLOT, pci_write_config16(), pci_write_config32(), printk, and STATE_D0.

Referenced by dw_i2c_base_address().

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