Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 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 | |
| 7 | int dw_i2c_soc_devfn_to_bus(unsigned int devfn) |
| 8 | { |
| 9 | switch (devfn) { |
| 10 | case PCI_DEVFN_I2C0: |
| 11 | return 0; |
| 12 | case PCI_DEVFN_I2C1: |
| 13 | return 1; |
| 14 | case PCI_DEVFN_I2C2: |
| 15 | return 2; |
| 16 | case PCI_DEVFN_I2C3: |
| 17 | return 3; |
| 18 | case PCI_DEVFN_I2C4: |
| 19 | return 4; |
| 20 | case PCI_DEVFN_I2C5: |
| 21 | return 5; |
| 22 | } |
| 23 | return -1; |
| 24 | } |
| 25 | |
| 26 | int dw_i2c_soc_bus_to_devfn(unsigned int bus) |
| 27 | { |
| 28 | switch (bus) { |
| 29 | case 0: |
| 30 | return PCI_DEVFN_I2C0; |
| 31 | case 1: |
| 32 | return PCI_DEVFN_I2C1; |
| 33 | case 2: |
| 34 | return PCI_DEVFN_I2C2; |
| 35 | case 3: |
| 36 | return PCI_DEVFN_I2C3; |
| 37 | case 4: |
| 38 | return PCI_DEVFN_I2C4; |
| 39 | case 5: |
| 40 | return PCI_DEVFN_I2C5; |
| 41 | } |
| 42 | return -1; |
| 43 | } |