| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __NVBIOS_I2C_H__ |
| #define __NVBIOS_I2C_H__ |
| enum dcb_i2c_type { |
| /* matches bios type field prior to ccb 4.1 */ |
| DCB_I2C_NV04_BIT = 0x00, |
| DCB_I2C_NV4E_BIT = 0x04, |
| DCB_I2C_NVIO_BIT = 0x05, |
| DCB_I2C_NVIO_AUX = 0x06, |
| /* made up - mostly */ |
| DCB_I2C_PMGR = 0x80, |
| DCB_I2C_UNUSED = 0xff |
| }; |
| |
| struct dcb_i2c_entry { |
| enum dcb_i2c_type type; |
| u8 drive; |
| u8 sense; |
| u8 share; |
| u8 auxch; |
| }; |
| |
| u16 dcb_i2c_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); |
| u16 dcb_i2c_entry(struct nvkm_bios *, u8 index, u8 *ver, u8 *len); |
| int dcb_i2c_parse(struct nvkm_bios *, u8 index, struct dcb_i2c_entry *); |
| #endif |
