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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* This file is created based on Intel Alder Lake Processor PCH Datasheet
* Document number: 621483
* Chapter number: 13
*/
#include <device/device.h>
#include <drivers/i2c/designware/dw_i2c.h>
#include <soc/pci_devs.h>
int dw_i2c_soc_devfn_to_bus(unsigned int devfn)
{
switch (devfn) {
case PCH_DEVFN_I2C0:
return 0;
case PCH_DEVFN_I2C1:
return 1;
case PCH_DEVFN_I2C2:
return 2;
case PCH_DEVFN_I2C3:
return 3;
case PCH_DEVFN_I2C4:
return 4;
case PCH_DEVFN_I2C5:
return 5;
case PCH_DEVFN_I2C6:
return 6;
case PCH_DEVFN_I2C7:
return 7;
}
return -1;
}
int dw_i2c_soc_bus_to_devfn(unsigned int bus)
{
switch (bus) {
case 0:
return PCH_DEVFN_I2C0;
case 1:
return PCH_DEVFN_I2C1;
case 2:
return PCH_DEVFN_I2C2;
case 3:
return PCH_DEVFN_I2C3;
case 4:
return PCH_DEVFN_I2C4;
case 5:
return PCH_DEVFN_I2C5;
case 6:
return PCH_DEVFN_I2C6;
case 7:
return PCH_DEVFN_I2C7;
}
return -1;
}
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