1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #include <device/device.h> 4 #include <drivers/i2c/designware/dw_i2c.h> 5 #include <soc/pci_devs.h> 6 dw_i2c_soc_devfn_to_bus(unsigned int devfn)7int dw_i2c_soc_devfn_to_bus(unsigned int devfn) 8 { 9 switch (devfn) { 10 case PCH_DEVFN_I2C0: 11 return 0; 12 case PCH_DEVFN_I2C1: 13 return 1; 14 case PCH_DEVFN_I2C2: 15 return 2; 16 case PCH_DEVFN_I2C3: 17 return 3; 18 case PCH_DEVFN_I2C4: 19 return 4; 20 case PCH_DEVFN_I2C5: 21 return 5; 22 case PCH_DEVFN_I2C6: 23 return 6; 24 case PCH_DEVFN_I2C7: 25 return 7; 26 } 27 return -1; 28 } 29 dw_i2c_soc_bus_to_devfn(unsigned int bus)30int dw_i2c_soc_bus_to_devfn(unsigned int bus) 31 { 32 switch (bus) { 33 case 0: 34 return PCH_DEVFN_I2C0; 35 case 1: 36 return PCH_DEVFN_I2C1; 37 case 2: 38 return PCH_DEVFN_I2C2; 39 case 3: 40 return PCH_DEVFN_I2C3; 41 case 4: 42 return PCH_DEVFN_I2C4; 43 case 5: 44 return PCH_DEVFN_I2C5; 45 case 6: 46 return PCH_DEVFN_I2C6; 47 case 7: 48 return PCH_DEVFN_I2C7; 49 } 50 return -1; 51 } 52