License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[linux-2.6-block.git] / drivers / gpu / drm / nouveau / include / nvkm / subdev / bios / volt.h
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b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
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2#ifndef __NVBIOS_VOLT_H__
3#define __NVBIOS_VOLT_H__
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4
5enum nvbios_volt_type {
6 NVBIOS_VOLT_GPIO = 0,
7 NVBIOS_VOLT_PWM,
8};
9
0833428e 10struct nvbios_volt {
7bddeba9 11 enum nvbios_volt_type type;
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12 u32 min;
13 u32 max;
14 u32 base;
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15
16 /* GPIO mode */
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17 bool ranged;
18 u8 vidmask;
19 s16 step;
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20
21 /* PWM mode */
22 u32 pwm_freq;
23 u32 pwm_range;
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24};
25
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26u32 nvbios_volt_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
27u32 nvbios_volt_parse(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
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28 struct nvbios_volt *);
29
30struct nvbios_volt_entry {
31 u32 voltage;
32 u8 vid;
33};
34
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35u32 nvbios_volt_entry(struct nvkm_bios *, int idx, u8 *ver, u8 *len);
36u32 nvbios_volt_entry_parse(struct nvkm_bios *, int idx, u8 *ver, u8 *len,
0833428e 37 struct nvbios_volt_entry *);
0833428e 38#endif