nouveau_encoder.h 4.1 KB

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  1. /*
  2. * Copyright (C) 2008 Maarten Maathuis.
  3. * All Rights Reserved.
  4. *
  5. * Permission is hereby granted, free of charge, to any person obtaining
  6. * a copy of this software and associated documentation files (the
  7. * "Software"), to deal in the Software without restriction, including
  8. * without limitation the rights to use, copy, modify, merge, publish,
  9. * distribute, sublicense, and/or sell copies of the Software, and to
  10. * permit persons to whom the Software is furnished to do so, subject to
  11. * the following conditions:
  12. *
  13. * The above copyright notice and this permission notice (including the
  14. * next paragraph) shall be included in all copies or substantial
  15. * portions of the Software.
  16. *
  17. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20. * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21. * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22. * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23. * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24. *
  25. */
  26. #ifndef __NOUVEAU_ENCODER_H__
  27. #define __NOUVEAU_ENCODER_H__
  28. #include <subdev/bios/dcb.h>
  29. #include <drm/drm_encoder_slave.h>
  30. #include <drm/drm_dp_mst_helper.h>
  31. #include "dispnv04/disp.h"
  32. struct nv50_head_atom;
  33. struct nouveau_connector;
  34. #define NV_DPMS_CLEARED 0x80
  35. struct nvkm_i2c_port;
  36. struct nouveau_encoder {
  37. struct drm_encoder_slave base;
  38. struct dcb_output *dcb;
  39. int or;
  40. int link;
  41. struct i2c_adapter *i2c;
  42. struct nvkm_i2c_aux *aux;
  43. /* different to drm_encoder.crtc, this reflects what's
  44. * actually programmed on the hw, not the proposed crtc */
  45. struct drm_crtc *crtc;
  46. u32 ctrl;
  47. bool audio;
  48. struct drm_display_mode mode;
  49. int last_dpms;
  50. struct nv04_output_reg restore;
  51. union {
  52. struct {
  53. struct nv50_mstm *mstm;
  54. int link_nr;
  55. int link_bw;
  56. /* Protects DP state that needs to be accessed outside
  57. * connector reprobing contexts
  58. */
  59. struct mutex hpd_irq_lock;
  60. u8 dpcd[DP_RECEIVER_CAP_SIZE];
  61. u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
  62. struct drm_dp_desc desc;
  63. u8 sink_count;
  64. } dp;
  65. };
  66. struct {
  67. bool dp_interlace : 1;
  68. } caps;
  69. void (*enc_save)(struct drm_encoder *encoder);
  70. void (*enc_restore)(struct drm_encoder *encoder);
  71. void (*update)(struct nouveau_encoder *, u8 head,
  72. struct nv50_head_atom *, u8 proto, u8 depth);
  73. };
  74. struct nv50_mstm {
  75. struct nouveau_encoder *outp;
  76. struct drm_dp_mst_topology_mgr mgr;
  77. /* Protected under nouveau_encoder->dp.hpd_irq_lock */
  78. bool can_mst;
  79. bool is_mst;
  80. bool suspended;
  81. bool modified;
  82. bool disabled;
  83. int links;
  84. };
  85. struct nouveau_encoder *
  86. find_encoder(struct drm_connector *connector, int type);
  87. static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
  88. {
  89. struct drm_encoder_slave *slave = to_encoder_slave(enc);
  90. return container_of(slave, struct nouveau_encoder, base);
  91. }
  92. static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
  93. {
  94. return &enc->base.base;
  95. }
  96. static inline const struct drm_encoder_slave_funcs *
  97. get_slave_funcs(struct drm_encoder *enc)
  98. {
  99. return to_encoder_slave(enc)->slave_funcs;
  100. }
  101. /* nouveau_dp.c */
  102. enum nouveau_dp_status {
  103. NOUVEAU_DP_NONE,
  104. NOUVEAU_DP_SST,
  105. NOUVEAU_DP_MST,
  106. };
  107. int nouveau_dp_detect(struct nouveau_connector *, struct nouveau_encoder *);
  108. void nouveau_dp_irq(struct nouveau_drm *drm,
  109. struct nouveau_connector *nv_connector);
  110. enum drm_mode_status nv50_dp_mode_valid(struct drm_connector *,
  111. struct nouveau_encoder *,
  112. const struct drm_display_mode *,
  113. unsigned *clock);
  114. struct nouveau_connector *
  115. nv50_outp_get_new_connector(struct nouveau_encoder *outp,
  116. struct drm_atomic_state *state);
  117. struct nouveau_connector *
  118. nv50_outp_get_old_connector(struct nouveau_encoder *outp,
  119. struct drm_atomic_state *state);
  120. int nv50_mstm_detect(struct nouveau_encoder *encoder);
  121. void nv50_mstm_remove(struct nv50_mstm *mstm);
  122. bool nv50_mstm_service(struct nouveau_drm *drm,
  123. struct nouveau_connector *nv_connector,
  124. struct nv50_mstm *mstm);
  125. #endif /* __NOUVEAU_ENCODER_H__ */