1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
/* 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
|
