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