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linux_kernel
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drivers
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gpu
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drm
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nouveau
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include
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nvkm
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subdev
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bios
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volt.h

volt.h 785 B
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. #ifndef __NVBIOS_VOLT_H__
    3. 

  3. #define __NVBIOS_VOLT_H__
    4. 

  4. 

  5. enum nvbios_volt_type {
    6. 

  6. 	NVBIOS_VOLT_GPIO = 0,
    7. 

  7. 	NVBIOS_VOLT_PWM,
    8. 

  8. };
    9. 

  9. 

  10. struct nvbios_volt {
    11. 

  11. 	enum nvbios_volt_type type;
    12. 

  12. 	u32 min;
    13. 

  13. 	u32 max;
    14. 

  14. 	u32 base;
    15. 

  15. 

  16. 	/* GPIO mode */
    17. 

  17. 	bool ranged;
    18. 

  18. 	u8   vidmask;
    19. 

  19. 	s16  step;
    20. 

  20. 

  21. 	/* PWM mode */
    22. 

  22. 	u32 pwm_freq;
    23. 

  23. 	u32 pwm_range;
    24. 

  24. };
    25. 

  25. 

  26. u32 nvbios_volt_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
    27. 

  27. u32 nvbios_volt_parse(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
    28. 

  28. 		      struct nvbios_volt *);
    29. 

  29. 

  30. struct nvbios_volt_entry {
    31. 

  31. 	u32 voltage;
    32. 

  32. 	u8  vid;
    33. 

  33. };
    34. 

  34. 

  35. u32 nvbios_volt_entry(struct nvkm_bios *, int idx, u8 *ver, u8 *len);
    36. 

  36. u32 nvbios_volt_entry_parse(struct nvkm_bios *, int idx, u8 *ver, u8 *len,
    37. 

  37. 			    struct nvbios_volt_entry *);
    38. 

  38. #endif
    39.