panel-samsung-s6e3ha2.c 25 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * MIPI-DSI based s6e3ha2 AMOLED 5.7 inch panel driver.
  4. *
  5. * Copyright (c) 2016 Samsung Electronics Co., Ltd.
  6. * Donghwa Lee <dh09.lee@samsung.com>
  7. * Hyungwon Hwang <human.hwang@samsung.com>
  8. * Hoegeun Kwon <hoegeun.kwon@samsung.com>
  9. */
  10. #include <linux/backlight.h>
  11. #include <linux/delay.h>
  12. #include <linux/gpio/consumer.h>
  13. #include <linux/module.h>
  14. #include <linux/of_device.h>
  15. #include <linux/regulator/consumer.h>
  16. #include <drm/drm_mipi_dsi.h>
  17. #include <drm/drm_modes.h>
  18. #include <drm/drm_panel.h>
  19. #define S6E3HA2_MIN_BRIGHTNESS 0
  20. #define S6E3HA2_MAX_BRIGHTNESS 100
  21. #define S6E3HA2_DEFAULT_BRIGHTNESS 80
  22. #define S6E3HA2_NUM_GAMMA_STEPS 46
  23. #define S6E3HA2_GAMMA_CMD_CNT 35
  24. #define S6E3HA2_VINT_STATUS_MAX 10
  25. static const u8 gamma_tbl[S6E3HA2_NUM_GAMMA_STEPS][S6E3HA2_GAMMA_CMD_CNT] = {
  26. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x82, 0x83,
  27. 0x85, 0x88, 0x8b, 0x8b, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8c,
  28. 0x94, 0x84, 0xb1, 0xaf, 0x8e, 0xcf, 0xad, 0xc9, 0x00, 0x00, 0x00,
  29. 0x00, 0x00 },
  30. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x84, 0x84,
  31. 0x85, 0x87, 0x8b, 0x8a, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8a,
  32. 0x93, 0x84, 0xb0, 0xae, 0x8e, 0xc9, 0xa8, 0xc5, 0x00, 0x00, 0x00,
  33. 0x00, 0x00 },
  34. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
  35. 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x88, 0x81, 0x84, 0x8a, 0x88, 0x8a,
  36. 0x91, 0x84, 0xb1, 0xae, 0x8b, 0xd5, 0xb2, 0xcc, 0x00, 0x00, 0x00,
  37. 0x00, 0x00 },
  38. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
  39. 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x87, 0x81, 0x84, 0x8a, 0x87, 0x8a,
  40. 0x91, 0x85, 0xae, 0xac, 0x8a, 0xc3, 0xa3, 0xc0, 0x00, 0x00, 0x00,
  41. 0x00, 0x00 },
  42. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x85, 0x85,
  43. 0x86, 0x85, 0x88, 0x89, 0x84, 0x89, 0x82, 0x84, 0x87, 0x85, 0x8b,
  44. 0x91, 0x88, 0xad, 0xab, 0x8a, 0xb7, 0x9b, 0xb6, 0x00, 0x00, 0x00,
  45. 0x00, 0x00 },
  46. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
  47. 0x85, 0x86, 0x89, 0x8a, 0x84, 0x89, 0x83, 0x83, 0x86, 0x84, 0x8b,
  48. 0x90, 0x84, 0xb0, 0xae, 0x8b, 0xce, 0xad, 0xc8, 0x00, 0x00, 0x00,
  49. 0x00, 0x00 },
  50. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
  51. 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x89,
  52. 0x8f, 0x84, 0xac, 0xaa, 0x89, 0xb1, 0x98, 0xaf, 0x00, 0x00, 0x00,
  53. 0x00, 0x00 },
  54. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
  55. 0x85, 0x86, 0x88, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8c,
  56. 0x91, 0x86, 0xac, 0xaa, 0x89, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,
  57. 0x00, 0x00 },
  58. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
  59. 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x88,
  60. 0x8b, 0x82, 0xad, 0xaa, 0x8a, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,
  61. 0x00, 0x00 },
  62. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
  63. 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8a,
  64. 0x8e, 0x84, 0xae, 0xac, 0x89, 0xda, 0xb7, 0xd0, 0x00, 0x00, 0x00,
  65. 0x00, 0x00 },
  66. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
  67. 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x80, 0x83, 0x82, 0x8b,
  68. 0x8e, 0x85, 0xac, 0xaa, 0x89, 0xc8, 0xaa, 0xc1, 0x00, 0x00, 0x00,
  69. 0x00, 0x00 },
  70. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
  71. 0x85, 0x86, 0x87, 0x89, 0x81, 0x85, 0x81, 0x84, 0x86, 0x84, 0x8c,
  72. 0x8c, 0x84, 0xa9, 0xa8, 0x87, 0xa3, 0x92, 0xa1, 0x00, 0x00, 0x00,
  73. 0x00, 0x00 },
  74. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
  75. 0x85, 0x86, 0x87, 0x89, 0x84, 0x86, 0x83, 0x80, 0x83, 0x81, 0x8c,
  76. 0x8d, 0x84, 0xaa, 0xaa, 0x89, 0xce, 0xaf, 0xc5, 0x00, 0x00, 0x00,
  77. 0x00, 0x00 },
  78. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
  79. 0x85, 0x86, 0x87, 0x89, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,
  80. 0x8c, 0x84, 0xa8, 0xa8, 0x88, 0xb5, 0x9f, 0xb0, 0x00, 0x00, 0x00,
  81. 0x00, 0x00 },
  82. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
  83. 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,
  84. 0x8b, 0x84, 0xab, 0xa8, 0x86, 0xd4, 0xb4, 0xc9, 0x00, 0x00, 0x00,
  85. 0x00, 0x00 },
  86. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
  87. 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x84, 0x84, 0x85, 0x8b,
  88. 0x8a, 0x83, 0xa6, 0xa5, 0x84, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,
  89. 0x00, 0x00 },
  90. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
  91. 0x86, 0x85, 0x86, 0x86, 0x82, 0x85, 0x81, 0x82, 0x83, 0x84, 0x8e,
  92. 0x8b, 0x83, 0xa4, 0xa3, 0x8a, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,
  93. 0x00, 0x00 },
  94. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
  95. 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8e,
  96. 0x8b, 0x83, 0xa4, 0xa2, 0x86, 0xc1, 0xa9, 0xb7, 0x00, 0x00, 0x00,
  97. 0x00, 0x00 },
  98. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
  99. 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8d,
  100. 0x89, 0x82, 0xa2, 0xa1, 0x84, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
  101. 0x00, 0x00 },
  102. { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
  103. 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x83, 0x83, 0x85, 0x8c,
  104. 0x87, 0x7f, 0xa2, 0x9d, 0x88, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
  105. 0x00, 0x00 },
  106. { 0x00, 0xbb, 0x00, 0xc5, 0x00, 0xb4, 0x87, 0x86, 0x86, 0x84, 0x83,
  107. 0x86, 0x87, 0x87, 0x87, 0x80, 0x82, 0x7f, 0x86, 0x86, 0x88, 0x8a,
  108. 0x84, 0x7e, 0x9d, 0x9c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
  109. 0x00, 0x00 },
  110. { 0x00, 0xbd, 0x00, 0xc7, 0x00, 0xb7, 0x87, 0x85, 0x85, 0x84, 0x83,
  111. 0x86, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x83, 0x84, 0x85, 0x8a,
  112. 0x85, 0x7e, 0x9c, 0x9b, 0x85, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
  113. 0x00, 0x00 },
  114. { 0x00, 0xc0, 0x00, 0xca, 0x00, 0xbb, 0x87, 0x86, 0x85, 0x83, 0x83,
  115. 0x85, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x84, 0x85, 0x86, 0x89,
  116. 0x83, 0x7d, 0x9c, 0x99, 0x87, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
  117. 0x00, 0x00 },
  118. { 0x00, 0xc4, 0x00, 0xcd, 0x00, 0xbe, 0x87, 0x86, 0x85, 0x83, 0x83,
  119. 0x86, 0x85, 0x85, 0x87, 0x81, 0x82, 0x80, 0x82, 0x82, 0x83, 0x8a,
  120. 0x85, 0x7f, 0x9f, 0x9b, 0x86, 0xb4, 0xa1, 0xac, 0x00, 0x00, 0x00,
  121. 0x00, 0x00 },
  122. { 0x00, 0xc7, 0x00, 0xd0, 0x00, 0xc2, 0x87, 0x85, 0x85, 0x83, 0x82,
  123. 0x85, 0x85, 0x85, 0x86, 0x82, 0x83, 0x80, 0x82, 0x82, 0x84, 0x87,
  124. 0x86, 0x80, 0x9e, 0x9a, 0x87, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
  125. 0x00, 0x00 },
  126. { 0x00, 0xca, 0x00, 0xd2, 0x00, 0xc5, 0x87, 0x85, 0x84, 0x82, 0x82,
  127. 0x84, 0x85, 0x85, 0x86, 0x81, 0x82, 0x7f, 0x82, 0x82, 0x84, 0x88,
  128. 0x86, 0x81, 0x9d, 0x98, 0x86, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
  129. 0x00, 0x00 },
  130. { 0x00, 0xce, 0x00, 0xd6, 0x00, 0xca, 0x86, 0x85, 0x84, 0x83, 0x83,
  131. 0x85, 0x84, 0x84, 0x85, 0x81, 0x82, 0x80, 0x81, 0x81, 0x82, 0x89,
  132. 0x86, 0x81, 0x9c, 0x97, 0x86, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
  133. 0x00, 0x00 },
  134. { 0x00, 0xd1, 0x00, 0xd9, 0x00, 0xce, 0x86, 0x84, 0x83, 0x83, 0x82,
  135. 0x85, 0x85, 0x85, 0x86, 0x81, 0x83, 0x81, 0x82, 0x82, 0x83, 0x86,
  136. 0x83, 0x7f, 0x99, 0x95, 0x86, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,
  137. 0x00, 0x00 },
  138. { 0x00, 0xd4, 0x00, 0xdb, 0x00, 0xd1, 0x86, 0x85, 0x83, 0x83, 0x82,
  139. 0x85, 0x84, 0x84, 0x85, 0x80, 0x83, 0x82, 0x80, 0x80, 0x81, 0x87,
  140. 0x84, 0x81, 0x98, 0x93, 0x85, 0xae, 0x9c, 0xa8, 0x00, 0x00, 0x00,
  141. 0x00, 0x00 },
  142. { 0x00, 0xd8, 0x00, 0xde, 0x00, 0xd6, 0x86, 0x84, 0x83, 0x81, 0x81,
  143. 0x83, 0x85, 0x85, 0x85, 0x82, 0x83, 0x81, 0x81, 0x81, 0x83, 0x86,
  144. 0x84, 0x80, 0x98, 0x91, 0x85, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
  145. 0x00, 0x00 },
  146. { 0x00, 0xdc, 0x00, 0xe2, 0x00, 0xda, 0x85, 0x84, 0x83, 0x82, 0x82,
  147. 0x84, 0x84, 0x84, 0x85, 0x81, 0x82, 0x82, 0x80, 0x80, 0x81, 0x83,
  148. 0x82, 0x7f, 0x99, 0x93, 0x86, 0x94, 0x8b, 0x92, 0x00, 0x00, 0x00,
  149. 0x00, 0x00 },
  150. { 0x00, 0xdf, 0x00, 0xe5, 0x00, 0xde, 0x85, 0x84, 0x82, 0x82, 0x82,
  151. 0x84, 0x83, 0x83, 0x84, 0x81, 0x81, 0x80, 0x83, 0x82, 0x84, 0x82,
  152. 0x81, 0x7f, 0x99, 0x92, 0x86, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
  153. 0x00, 0x00 },
  154. { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
  155. 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x83, 0x83, 0x84, 0x80,
  156. 0x81, 0x7c, 0x99, 0x92, 0x87, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,
  157. 0x00, 0x00 },
  158. { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x85, 0x84, 0x83, 0x81, 0x81,
  159. 0x82, 0x82, 0x82, 0x83, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,
  160. 0x82, 0x80, 0x91, 0x8d, 0x83, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,
  161. 0x00, 0x00 },
  162. { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
  163. 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,
  164. 0x81, 0x7f, 0x91, 0x8c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
  165. 0x00, 0x00 },
  166. { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
  167. 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x82,
  168. 0x82, 0x7f, 0x94, 0x89, 0x84, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
  169. 0x00, 0x00 },
  170. { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
  171. 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x83,
  172. 0x82, 0x7f, 0x91, 0x85, 0x81, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
  173. 0x00, 0x00 },
  174. { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
  175. 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x83, 0x82, 0x84, 0x83,
  176. 0x82, 0x7f, 0x90, 0x84, 0x81, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,
  177. 0x00, 0x00 },
  178. { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x80, 0x80,
  179. 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x80, 0x80, 0x81, 0x81,
  180. 0x82, 0x83, 0x7e, 0x80, 0x7c, 0xa4, 0x97, 0x9f, 0x00, 0x00, 0x00,
  181. 0x00, 0x00 },
  182. { 0x00, 0xe9, 0x00, 0xec, 0x00, 0xe8, 0x84, 0x83, 0x82, 0x81, 0x81,
  183. 0x82, 0x82, 0x82, 0x83, 0x7f, 0x7f, 0x7f, 0x81, 0x80, 0x82, 0x83,
  184. 0x83, 0x84, 0x79, 0x7c, 0x79, 0xb1, 0xa0, 0xaa, 0x00, 0x00, 0x00,
  185. 0x00, 0x00 },
  186. { 0x00, 0xed, 0x00, 0xf0, 0x00, 0xec, 0x83, 0x83, 0x82, 0x80, 0x80,
  187. 0x81, 0x82, 0x82, 0x82, 0x7f, 0x7f, 0x7e, 0x81, 0x81, 0x82, 0x80,
  188. 0x81, 0x81, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
  189. 0x00, 0x00 },
  190. { 0x00, 0xf1, 0x00, 0xf4, 0x00, 0xf1, 0x83, 0x82, 0x82, 0x80, 0x80,
  191. 0x81, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x7d,
  192. 0x7e, 0x7f, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
  193. 0x00, 0x00 },
  194. { 0x00, 0xf6, 0x00, 0xf7, 0x00, 0xf5, 0x82, 0x82, 0x81, 0x80, 0x80,
  195. 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x7f, 0x82,
  196. 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
  197. 0x00, 0x00 },
  198. { 0x00, 0xfa, 0x00, 0xfb, 0x00, 0xfa, 0x81, 0x81, 0x81, 0x80, 0x80,
  199. 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
  200. 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
  201. 0x00, 0x00 },
  202. { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,
  203. 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
  204. 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
  205. 0x00, 0x00 },
  206. { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,
  207. 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
  208. 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
  209. 0x00, 0x00 }
  210. };
  211. unsigned char vint_table[S6E3HA2_VINT_STATUS_MAX] = {
  212. 0x18, 0x19, 0x1a, 0x1b, 0x1c,
  213. 0x1d, 0x1e, 0x1f, 0x20, 0x21
  214. };
  215. enum s6e3ha2_type {
  216. HA2_TYPE,
  217. HF2_TYPE,
  218. };
  219. struct s6e3ha2_panel_desc {
  220. const struct drm_display_mode *mode;
  221. enum s6e3ha2_type type;
  222. };
  223. struct s6e3ha2 {
  224. struct device *dev;
  225. struct drm_panel panel;
  226. struct backlight_device *bl_dev;
  227. struct regulator_bulk_data supplies[2];
  228. struct gpio_desc *reset_gpio;
  229. struct gpio_desc *enable_gpio;
  230. const struct s6e3ha2_panel_desc *desc;
  231. };
  232. static int s6e3ha2_dcs_write(struct s6e3ha2 *ctx, const void *data, size_t len)
  233. {
  234. struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
  235. return mipi_dsi_dcs_write_buffer(dsi, data, len);
  236. }
  237. #define s6e3ha2_dcs_write_seq_static(ctx, seq...) do { \
  238. static const u8 d[] = { seq }; \
  239. int ret; \
  240. ret = s6e3ha2_dcs_write(ctx, d, ARRAY_SIZE(d)); \
  241. if (ret < 0) \
  242. return ret; \
  243. } while (0)
  244. #define s6e3ha2_call_write_func(ret, func) do { \
  245. ret = (func); \
  246. if (ret < 0) \
  247. return ret; \
  248. } while (0)
  249. static int s6e3ha2_test_key_on_f0(struct s6e3ha2 *ctx)
  250. {
  251. s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a);
  252. return 0;
  253. }
  254. static int s6e3ha2_test_key_off_f0(struct s6e3ha2 *ctx)
  255. {
  256. s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0xa5, 0xa5);
  257. return 0;
  258. }
  259. static int s6e3ha2_test_key_on_fc(struct s6e3ha2 *ctx)
  260. {
  261. s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0x5a, 0x5a);
  262. return 0;
  263. }
  264. static int s6e3ha2_test_key_off_fc(struct s6e3ha2 *ctx)
  265. {
  266. s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0xa5, 0xa5);
  267. return 0;
  268. }
  269. static int s6e3ha2_single_dsi_set(struct s6e3ha2 *ctx)
  270. {
  271. s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67);
  272. s6e3ha2_dcs_write_seq_static(ctx, 0xf9, 0x09);
  273. return 0;
  274. }
  275. static int s6e3ha2_freq_calibration(struct s6e3ha2 *ctx)
  276. {
  277. s6e3ha2_dcs_write_seq_static(ctx, 0xfd, 0x1c);
  278. if (ctx->desc->type == HF2_TYPE)
  279. s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67, 0x40, 0xc5);
  280. s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20, 0x39);
  281. s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0xa0);
  282. s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20);
  283. if (ctx->desc->type == HA2_TYPE)
  284. s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x12, 0x62,
  285. 0x40, 0x80, 0xc0, 0x28, 0x28,
  286. 0x28, 0x28, 0x39, 0xc5);
  287. else
  288. s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x14, 0x6d,
  289. 0x40, 0x80, 0xc0, 0x28, 0x28,
  290. 0x28, 0x28, 0x39, 0xc5);
  291. return 0;
  292. }
  293. static int s6e3ha2_aor_control(struct s6e3ha2 *ctx)
  294. {
  295. s6e3ha2_dcs_write_seq_static(ctx, 0xb2, 0x03, 0x10);
  296. return 0;
  297. }
  298. static int s6e3ha2_caps_elvss_set(struct s6e3ha2 *ctx)
  299. {
  300. s6e3ha2_dcs_write_seq_static(ctx, 0xb6, 0x9c, 0x0a);
  301. return 0;
  302. }
  303. static int s6e3ha2_acl_off(struct s6e3ha2 *ctx)
  304. {
  305. s6e3ha2_dcs_write_seq_static(ctx, 0x55, 0x00);
  306. return 0;
  307. }
  308. static int s6e3ha2_acl_off_opr(struct s6e3ha2 *ctx)
  309. {
  310. s6e3ha2_dcs_write_seq_static(ctx, 0xb5, 0x40);
  311. return 0;
  312. }
  313. static int s6e3ha2_test_global(struct s6e3ha2 *ctx)
  314. {
  315. s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x07);
  316. return 0;
  317. }
  318. static int s6e3ha2_test(struct s6e3ha2 *ctx)
  319. {
  320. s6e3ha2_dcs_write_seq_static(ctx, 0xb8, 0x19);
  321. return 0;
  322. }
  323. static int s6e3ha2_touch_hsync_on1(struct s6e3ha2 *ctx)
  324. {
  325. s6e3ha2_dcs_write_seq_static(ctx, 0xbd, 0x33, 0x11, 0x02,
  326. 0x16, 0x02, 0x16);
  327. return 0;
  328. }
  329. static int s6e3ha2_pentile_control(struct s6e3ha2 *ctx)
  330. {
  331. s6e3ha2_dcs_write_seq_static(ctx, 0xc0, 0x00, 0x00, 0xd8, 0xd8);
  332. return 0;
  333. }
  334. static int s6e3ha2_poc_global(struct s6e3ha2 *ctx)
  335. {
  336. s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x20);
  337. return 0;
  338. }
  339. static int s6e3ha2_poc_setting(struct s6e3ha2 *ctx)
  340. {
  341. s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x08);
  342. return 0;
  343. }
  344. static int s6e3ha2_pcd_set_off(struct s6e3ha2 *ctx)
  345. {
  346. s6e3ha2_dcs_write_seq_static(ctx, 0xcc, 0x40, 0x51);
  347. return 0;
  348. }
  349. static int s6e3ha2_err_fg_set(struct s6e3ha2 *ctx)
  350. {
  351. s6e3ha2_dcs_write_seq_static(ctx, 0xed, 0x44);
  352. return 0;
  353. }
  354. static int s6e3ha2_hbm_off(struct s6e3ha2 *ctx)
  355. {
  356. s6e3ha2_dcs_write_seq_static(ctx, 0x53, 0x00);
  357. return 0;
  358. }
  359. static int s6e3ha2_te_start_setting(struct s6e3ha2 *ctx)
  360. {
  361. s6e3ha2_dcs_write_seq_static(ctx, 0xb9, 0x10, 0x09, 0xff, 0x00, 0x09);
  362. return 0;
  363. }
  364. static int s6e3ha2_gamma_update(struct s6e3ha2 *ctx)
  365. {
  366. s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x03);
  367. ndelay(100); /* need for 100ns delay */
  368. s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x00);
  369. return 0;
  370. }
  371. static int s6e3ha2_get_brightness(struct backlight_device *bl_dev)
  372. {
  373. return bl_dev->props.brightness;
  374. }
  375. static int s6e3ha2_set_vint(struct s6e3ha2 *ctx)
  376. {
  377. struct backlight_device *bl_dev = ctx->bl_dev;
  378. unsigned int brightness = bl_dev->props.brightness;
  379. unsigned char data[] = { 0xf4, 0x8b,
  380. vint_table[brightness * (S6E3HA2_VINT_STATUS_MAX - 1) /
  381. S6E3HA2_MAX_BRIGHTNESS] };
  382. return s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data));
  383. }
  384. static unsigned int s6e3ha2_get_brightness_index(unsigned int brightness)
  385. {
  386. return (brightness * (S6E3HA2_NUM_GAMMA_STEPS - 1)) /
  387. S6E3HA2_MAX_BRIGHTNESS;
  388. }
  389. static int s6e3ha2_update_gamma(struct s6e3ha2 *ctx, unsigned int brightness)
  390. {
  391. struct backlight_device *bl_dev = ctx->bl_dev;
  392. unsigned int index = s6e3ha2_get_brightness_index(brightness);
  393. u8 data[S6E3HA2_GAMMA_CMD_CNT + 1] = { 0xca, };
  394. int ret;
  395. memcpy(data + 1, gamma_tbl + index, S6E3HA2_GAMMA_CMD_CNT);
  396. s6e3ha2_call_write_func(ret,
  397. s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data)));
  398. s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx));
  399. bl_dev->props.brightness = brightness;
  400. return 0;
  401. }
  402. static int s6e3ha2_set_brightness(struct backlight_device *bl_dev)
  403. {
  404. struct s6e3ha2 *ctx = bl_get_data(bl_dev);
  405. unsigned int brightness = bl_dev->props.brightness;
  406. int ret;
  407. if (brightness < S6E3HA2_MIN_BRIGHTNESS ||
  408. brightness > bl_dev->props.max_brightness) {
  409. dev_err(ctx->dev, "Invalid brightness: %u\n", brightness);
  410. return -EINVAL;
  411. }
  412. if (bl_dev->props.power > FB_BLANK_NORMAL)
  413. return -EPERM;
  414. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
  415. s6e3ha2_call_write_func(ret, s6e3ha2_update_gamma(ctx, brightness));
  416. s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx));
  417. s6e3ha2_call_write_func(ret, s6e3ha2_set_vint(ctx));
  418. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
  419. return 0;
  420. }
  421. static const struct backlight_ops s6e3ha2_bl_ops = {
  422. .get_brightness = s6e3ha2_get_brightness,
  423. .update_status = s6e3ha2_set_brightness,
  424. };
  425. static int s6e3ha2_panel_init(struct s6e3ha2 *ctx)
  426. {
  427. struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
  428. int ret;
  429. s6e3ha2_call_write_func(ret, mipi_dsi_dcs_exit_sleep_mode(dsi));
  430. usleep_range(5000, 6000);
  431. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
  432. s6e3ha2_call_write_func(ret, s6e3ha2_single_dsi_set(ctx));
  433. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));
  434. s6e3ha2_call_write_func(ret, s6e3ha2_freq_calibration(ctx));
  435. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));
  436. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
  437. return 0;
  438. }
  439. static int s6e3ha2_power_off(struct s6e3ha2 *ctx)
  440. {
  441. return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
  442. }
  443. static int s6e3ha2_disable(struct drm_panel *panel)
  444. {
  445. struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
  446. struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
  447. int ret;
  448. s6e3ha2_call_write_func(ret, mipi_dsi_dcs_enter_sleep_mode(dsi));
  449. s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_off(dsi));
  450. msleep(40);
  451. ctx->bl_dev->props.power = FB_BLANK_NORMAL;
  452. return 0;
  453. }
  454. static int s6e3ha2_unprepare(struct drm_panel *panel)
  455. {
  456. struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
  457. return s6e3ha2_power_off(ctx);
  458. }
  459. static int s6e3ha2_power_on(struct s6e3ha2 *ctx)
  460. {
  461. int ret;
  462. ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
  463. if (ret < 0)
  464. return ret;
  465. msleep(120);
  466. gpiod_set_value(ctx->enable_gpio, 0);
  467. usleep_range(5000, 6000);
  468. gpiod_set_value(ctx->enable_gpio, 1);
  469. gpiod_set_value(ctx->reset_gpio, 1);
  470. usleep_range(5000, 6000);
  471. gpiod_set_value(ctx->reset_gpio, 0);
  472. usleep_range(5000, 6000);
  473. return 0;
  474. }
  475. static int s6e3ha2_prepare(struct drm_panel *panel)
  476. {
  477. struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
  478. int ret;
  479. ret = s6e3ha2_power_on(ctx);
  480. if (ret < 0)
  481. return ret;
  482. ret = s6e3ha2_panel_init(ctx);
  483. if (ret < 0)
  484. goto err;
  485. ctx->bl_dev->props.power = FB_BLANK_NORMAL;
  486. return 0;
  487. err:
  488. s6e3ha2_power_off(ctx);
  489. return ret;
  490. }
  491. static int s6e3ha2_enable(struct drm_panel *panel)
  492. {
  493. struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
  494. struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
  495. int ret;
  496. /* common setting */
  497. s6e3ha2_call_write_func(ret,
  498. mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK));
  499. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
  500. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));
  501. s6e3ha2_call_write_func(ret, s6e3ha2_touch_hsync_on1(ctx));
  502. s6e3ha2_call_write_func(ret, s6e3ha2_pentile_control(ctx));
  503. s6e3ha2_call_write_func(ret, s6e3ha2_poc_global(ctx));
  504. s6e3ha2_call_write_func(ret, s6e3ha2_poc_setting(ctx));
  505. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));
  506. /* pcd setting off for TB */
  507. s6e3ha2_call_write_func(ret, s6e3ha2_pcd_set_off(ctx));
  508. s6e3ha2_call_write_func(ret, s6e3ha2_err_fg_set(ctx));
  509. s6e3ha2_call_write_func(ret, s6e3ha2_te_start_setting(ctx));
  510. /* brightness setting */
  511. s6e3ha2_call_write_func(ret, s6e3ha2_set_brightness(ctx->bl_dev));
  512. s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx));
  513. s6e3ha2_call_write_func(ret, s6e3ha2_caps_elvss_set(ctx));
  514. s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx));
  515. s6e3ha2_call_write_func(ret, s6e3ha2_acl_off(ctx));
  516. s6e3ha2_call_write_func(ret, s6e3ha2_acl_off_opr(ctx));
  517. s6e3ha2_call_write_func(ret, s6e3ha2_hbm_off(ctx));
  518. /* elvss temp compensation */
  519. s6e3ha2_call_write_func(ret, s6e3ha2_test_global(ctx));
  520. s6e3ha2_call_write_func(ret, s6e3ha2_test(ctx));
  521. s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
  522. s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_on(dsi));
  523. ctx->bl_dev->props.power = FB_BLANK_UNBLANK;
  524. return 0;
  525. }
  526. static const struct drm_display_mode s6e3ha2_mode = {
  527. .clock = 222372,
  528. .hdisplay = 1440,
  529. .hsync_start = 1440 + 1,
  530. .hsync_end = 1440 + 1 + 1,
  531. .htotal = 1440 + 1 + 1 + 1,
  532. .vdisplay = 2560,
  533. .vsync_start = 2560 + 1,
  534. .vsync_end = 2560 + 1 + 1,
  535. .vtotal = 2560 + 1 + 1 + 15,
  536. .flags = 0,
  537. };
  538. static const struct s6e3ha2_panel_desc samsung_s6e3ha2 = {
  539. .mode = &s6e3ha2_mode,
  540. .type = HA2_TYPE,
  541. };
  542. static const struct drm_display_mode s6e3hf2_mode = {
  543. .clock = 247856,
  544. .hdisplay = 1600,
  545. .hsync_start = 1600 + 1,
  546. .hsync_end = 1600 + 1 + 1,
  547. .htotal = 1600 + 1 + 1 + 1,
  548. .vdisplay = 2560,
  549. .vsync_start = 2560 + 1,
  550. .vsync_end = 2560 + 1 + 1,
  551. .vtotal = 2560 + 1 + 1 + 15,
  552. .flags = 0,
  553. };
  554. static const struct s6e3ha2_panel_desc samsung_s6e3hf2 = {
  555. .mode = &s6e3hf2_mode,
  556. .type = HF2_TYPE,
  557. };
  558. static int s6e3ha2_get_modes(struct drm_panel *panel,
  559. struct drm_connector *connector)
  560. {
  561. struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
  562. struct drm_display_mode *mode;
  563. mode = drm_mode_duplicate(connector->dev, ctx->desc->mode);
  564. if (!mode) {
  565. dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
  566. ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay,
  567. drm_mode_vrefresh(ctx->desc->mode));
  568. return -ENOMEM;
  569. }
  570. drm_mode_set_name(mode);
  571. mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
  572. drm_mode_probed_add(connector, mode);
  573. connector->display_info.width_mm = 71;
  574. connector->display_info.height_mm = 125;
  575. return 1;
  576. }
  577. static const struct drm_panel_funcs s6e3ha2_drm_funcs = {
  578. .disable = s6e3ha2_disable,
  579. .unprepare = s6e3ha2_unprepare,
  580. .prepare = s6e3ha2_prepare,
  581. .enable = s6e3ha2_enable,
  582. .get_modes = s6e3ha2_get_modes,
  583. };
  584. static int s6e3ha2_probe(struct mipi_dsi_device *dsi)
  585. {
  586. struct device *dev = &dsi->dev;
  587. struct s6e3ha2 *ctx;
  588. int ret;
  589. ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
  590. if (!ctx)
  591. return -ENOMEM;
  592. mipi_dsi_set_drvdata(dsi, ctx);
  593. ctx->dev = dev;
  594. ctx->desc = of_device_get_match_data(dev);
  595. dsi->lanes = 4;
  596. dsi->format = MIPI_DSI_FMT_RGB888;
  597. dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
  598. ctx->supplies[0].supply = "vdd3";
  599. ctx->supplies[1].supply = "vci";
  600. ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
  601. ctx->supplies);
  602. if (ret < 0) {
  603. dev_err(dev, "failed to get regulators: %d\n", ret);
  604. return ret;
  605. }
  606. ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
  607. if (IS_ERR(ctx->reset_gpio)) {
  608. dev_err(dev, "cannot get reset-gpios %ld\n",
  609. PTR_ERR(ctx->reset_gpio));
  610. return PTR_ERR(ctx->reset_gpio);
  611. }
  612. ctx->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
  613. if (IS_ERR(ctx->enable_gpio)) {
  614. dev_err(dev, "cannot get enable-gpios %ld\n",
  615. PTR_ERR(ctx->enable_gpio));
  616. return PTR_ERR(ctx->enable_gpio);
  617. }
  618. ctx->bl_dev = backlight_device_register("s6e3ha2", dev, ctx,
  619. &s6e3ha2_bl_ops, NULL);
  620. if (IS_ERR(ctx->bl_dev)) {
  621. dev_err(dev, "failed to register backlight device\n");
  622. return PTR_ERR(ctx->bl_dev);
  623. }
  624. ctx->bl_dev->props.max_brightness = S6E3HA2_MAX_BRIGHTNESS;
  625. ctx->bl_dev->props.brightness = S6E3HA2_DEFAULT_BRIGHTNESS;
  626. ctx->bl_dev->props.power = FB_BLANK_POWERDOWN;
  627. drm_panel_init(&ctx->panel, dev, &s6e3ha2_drm_funcs,
  628. DRM_MODE_CONNECTOR_DSI);
  629. drm_panel_add(&ctx->panel);
  630. ret = mipi_dsi_attach(dsi);
  631. if (ret < 0)
  632. goto remove_panel;
  633. return ret;
  634. remove_panel:
  635. drm_panel_remove(&ctx->panel);
  636. backlight_device_unregister(ctx->bl_dev);
  637. return ret;
  638. }
  639. static int s6e3ha2_remove(struct mipi_dsi_device *dsi)
  640. {
  641. struct s6e3ha2 *ctx = mipi_dsi_get_drvdata(dsi);
  642. mipi_dsi_detach(dsi);
  643. drm_panel_remove(&ctx->panel);
  644. backlight_device_unregister(ctx->bl_dev);
  645. return 0;
  646. }
  647. static const struct of_device_id s6e3ha2_of_match[] = {
  648. { .compatible = "samsung,s6e3ha2", .data = &samsung_s6e3ha2 },
  649. { .compatible = "samsung,s6e3hf2", .data = &samsung_s6e3hf2 },
  650. { }
  651. };
  652. MODULE_DEVICE_TABLE(of, s6e3ha2_of_match);
  653. static struct mipi_dsi_driver s6e3ha2_driver = {
  654. .probe = s6e3ha2_probe,
  655. .remove = s6e3ha2_remove,
  656. .driver = {
  657. .name = "panel-samsung-s6e3ha2",
  658. .of_match_table = s6e3ha2_of_match,
  659. },
  660. };
  661. module_mipi_dsi_driver(s6e3ha2_driver);
  662. MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>");
  663. MODULE_AUTHOR("Hyungwon Hwang <human.hwang@samsung.com>");
  664. MODULE_AUTHOR("Hoegeun Kwon <hoegeun.kwon@samsung.com>");
  665. MODULE_DESCRIPTION("MIPI-DSI based s6e3ha2 AMOLED Panel Driver");
  666. MODULE_LICENSE("GPL v2");