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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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dcb.h

dcb.h 1.5 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. #ifndef __NVBIOS_DCB_H__
    3. 

  3. #define __NVBIOS_DCB_H__
    4. 

  4. enum dcb_output_type {
    5. 

  5. 	DCB_OUTPUT_ANALOG	= 0x0,
    6. 

  6. 	DCB_OUTPUT_TV		= 0x1,
    7. 

  7. 	DCB_OUTPUT_TMDS		= 0x2,
    8. 

  8. 	DCB_OUTPUT_LVDS		= 0x3,
    9. 

  9. 	DCB_OUTPUT_DP		= 0x6,
    10. 

  10. 	DCB_OUTPUT_WFD		= 0x8,
    11. 

  11. 	DCB_OUTPUT_EOL		= 0xe,
    12. 

  12. 	DCB_OUTPUT_UNUSED	= 0xf,
    13. 

  13. 	DCB_OUTPUT_ANY = -1,
    14. 

  14. };
    15. 

  15. 

  16. struct dcb_output {
    17. 

  17. 	int index;	/* may not be raw dcb index if merging has happened */
    18. 

  18. 	u16 hasht;
    19. 

  19. 	u16 hashm;
    20. 

  20. 	enum dcb_output_type type;
    21. 

  21. 	uint8_t i2c_index;
    22. 

  22. 	uint8_t heads;
    23. 

  23. 	uint8_t connector;
    24. 

  24. 	uint8_t bus;
    25. 

  25. 	uint8_t location;
    26. 

  26. 	uint8_t or;
    27. 

  27. 	uint8_t link;
    28. 

  28. 	bool duallink_possible;
    29. 

  29. 	uint8_t extdev;
    30. 

  30. 	union {
    31. 

  31. 		struct sor_conf {
    32. 

  32. 			int link;
    33. 

  33. 		} sorconf;
    34. 

  34. 		struct {
    35. 

  35. 			int maxfreq;
    36. 

  36. 		} crtconf;
    37. 

  37. 		struct {
    38. 

  38. 			struct sor_conf sor;
    39. 

  39. 			bool use_straps_for_mode;
    40. 

  40. 			bool use_acpi_for_edid;
    41. 

  41. 			bool use_power_scripts;
    42. 

  42. 		} lvdsconf;
    43. 

  43. 		struct {
    44. 

  44. 			bool has_component_output;
    45. 

  45. 		} tvconf;
    46. 

  46. 		struct {
    47. 

  47. 			struct sor_conf sor;
    48. 

  48. 			int link_nr;
    49. 

  49. 			int link_bw;
    50. 

  50. 		} dpconf;
    51. 

  51. 		struct {
    52. 

  52. 			struct sor_conf sor;
    53. 

  53. 			int slave_addr;
    54. 

  54. 		} tmdsconf;
    55. 

  55. 	};
    56. 

  56. 	bool i2c_upper_default;
    57. 

  57. };
    58. 

  58. 

  59. u16 dcb_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *ent, u8 *len);
    60. 

  60. u16 dcb_outp(struct nvkm_bios *, u8 idx, u8 *ver, u8 *len);
    61. 

  61. u16 dcb_outp_parse(struct nvkm_bios *, u8 idx, u8 *, u8 *,
    62. 

  62. 		   struct dcb_output *);
    63. 

  63. u16 dcb_outp_match(struct nvkm_bios *, u16 type, u16 mask, u8 *, u8 *,
    64. 

  64. 		   struct dcb_output *);
    65. 

  65. int dcb_outp_foreach(struct nvkm_bios *, void *data, int (*exec)
    66. 

  66. 		     (struct nvkm_bios *, void *, int index, u16 entry));
    67. 

  67. #endif
    68.