atmel_lcdc.h 6.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. /*
  3. * Header file for AT91/AT32 LCD Controller
  4. *
  5. * Data structure and register user interface
  6. *
  7. * Copyright (C) 2007 Atmel Corporation
  8. */
  9. #ifndef __ATMEL_LCDC_H__
  10. #define __ATMEL_LCDC_H__
  11. #include <linux/workqueue.h>
  12. /* Way LCD wires are connected to the chip:
  13. * Some Atmel chips use BGR color mode (instead of standard RGB)
  14. * A swapped wiring onboard can bring to RGB mode.
  15. */
  16. #define ATMEL_LCDC_WIRING_BGR 0
  17. #define ATMEL_LCDC_WIRING_RGB 1
  18. /* LCD Controller info data structure, stored in device platform_data */
  19. struct atmel_lcdfb_pdata {
  20. unsigned int guard_time;
  21. bool lcdcon_is_backlight;
  22. bool lcdcon_pol_negative;
  23. u8 default_bpp;
  24. u8 lcd_wiring_mode;
  25. unsigned int default_lcdcon2;
  26. unsigned int default_dmacon;
  27. void (*atmel_lcdfb_power_control)(struct atmel_lcdfb_pdata *pdata, int on);
  28. struct fb_monspecs *default_monspecs;
  29. struct list_head pwr_gpios;
  30. };
  31. #define ATMEL_LCDC_DMABADDR1 0x00
  32. #define ATMEL_LCDC_DMABADDR2 0x04
  33. #define ATMEL_LCDC_DMAFRMPT1 0x08
  34. #define ATMEL_LCDC_DMAFRMPT2 0x0c
  35. #define ATMEL_LCDC_DMAFRMADD1 0x10
  36. #define ATMEL_LCDC_DMAFRMADD2 0x14
  37. #define ATMEL_LCDC_DMAFRMCFG 0x18
  38. #define ATMEL_LCDC_FRSIZE (0x7fffff << 0)
  39. #define ATMEL_LCDC_BLENGTH_OFFSET 24
  40. #define ATMEL_LCDC_BLENGTH (0x7f << ATMEL_LCDC_BLENGTH_OFFSET)
  41. #define ATMEL_LCDC_DMACON 0x1c
  42. #define ATMEL_LCDC_DMAEN (0x1 << 0)
  43. #define ATMEL_LCDC_DMARST (0x1 << 1)
  44. #define ATMEL_LCDC_DMABUSY (0x1 << 2)
  45. #define ATMEL_LCDC_DMAUPDT (0x1 << 3)
  46. #define ATMEL_LCDC_DMA2DEN (0x1 << 4)
  47. #define ATMEL_LCDC_DMA2DCFG 0x20
  48. #define ATMEL_LCDC_ADDRINC_OFFSET 0
  49. #define ATMEL_LCDC_ADDRINC (0xffff)
  50. #define ATMEL_LCDC_PIXELOFF_OFFSET 24
  51. #define ATMEL_LCDC_PIXELOFF (0x1f << 24)
  52. #define ATMEL_LCDC_LCDCON1 0x0800
  53. #define ATMEL_LCDC_BYPASS (1 << 0)
  54. #define ATMEL_LCDC_CLKVAL_OFFSET 12
  55. #define ATMEL_LCDC_CLKVAL (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET)
  56. #define ATMEL_LCDC_LINCNT (0x7ff << 21)
  57. #define ATMEL_LCDC_LCDCON2 0x0804
  58. #define ATMEL_LCDC_DISTYPE (3 << 0)
  59. #define ATMEL_LCDC_DISTYPE_STNMONO (0 << 0)
  60. #define ATMEL_LCDC_DISTYPE_STNCOLOR (1 << 0)
  61. #define ATMEL_LCDC_DISTYPE_TFT (2 << 0)
  62. #define ATMEL_LCDC_SCANMOD (1 << 2)
  63. #define ATMEL_LCDC_SCANMOD_SINGLE (0 << 2)
  64. #define ATMEL_LCDC_SCANMOD_DUAL (1 << 2)
  65. #define ATMEL_LCDC_IFWIDTH (3 << 3)
  66. #define ATMEL_LCDC_IFWIDTH_4 (0 << 3)
  67. #define ATMEL_LCDC_IFWIDTH_8 (1 << 3)
  68. #define ATMEL_LCDC_IFWIDTH_16 (2 << 3)
  69. #define ATMEL_LCDC_PIXELSIZE (7 << 5)
  70. #define ATMEL_LCDC_PIXELSIZE_1 (0 << 5)
  71. #define ATMEL_LCDC_PIXELSIZE_2 (1 << 5)
  72. #define ATMEL_LCDC_PIXELSIZE_4 (2 << 5)
  73. #define ATMEL_LCDC_PIXELSIZE_8 (3 << 5)
  74. #define ATMEL_LCDC_PIXELSIZE_16 (4 << 5)
  75. #define ATMEL_LCDC_PIXELSIZE_24 (5 << 5)
  76. #define ATMEL_LCDC_PIXELSIZE_32 (6 << 5)
  77. #define ATMEL_LCDC_INVVD (1 << 8)
  78. #define ATMEL_LCDC_INVVD_NORMAL (0 << 8)
  79. #define ATMEL_LCDC_INVVD_INVERTED (1 << 8)
  80. #define ATMEL_LCDC_INVFRAME (1 << 9 )
  81. #define ATMEL_LCDC_INVFRAME_NORMAL (0 << 9)
  82. #define ATMEL_LCDC_INVFRAME_INVERTED (1 << 9)
  83. #define ATMEL_LCDC_INVLINE (1 << 10)
  84. #define ATMEL_LCDC_INVLINE_NORMAL (0 << 10)
  85. #define ATMEL_LCDC_INVLINE_INVERTED (1 << 10)
  86. #define ATMEL_LCDC_INVCLK (1 << 11)
  87. #define ATMEL_LCDC_INVCLK_NORMAL (0 << 11)
  88. #define ATMEL_LCDC_INVCLK_INVERTED (1 << 11)
  89. #define ATMEL_LCDC_INVDVAL (1 << 12)
  90. #define ATMEL_LCDC_INVDVAL_NORMAL (0 << 12)
  91. #define ATMEL_LCDC_INVDVAL_INVERTED (1 << 12)
  92. #define ATMEL_LCDC_CLKMOD (1 << 15)
  93. #define ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15)
  94. #define ATMEL_LCDC_CLKMOD_ALWAYSACTIVE (1 << 15)
  95. #define ATMEL_LCDC_MEMOR (1 << 31)
  96. #define ATMEL_LCDC_MEMOR_BIG (0 << 31)
  97. #define ATMEL_LCDC_MEMOR_LITTLE (1 << 31)
  98. #define ATMEL_LCDC_TIM1 0x0808
  99. #define ATMEL_LCDC_VFP (0xffU << 0)
  100. #define ATMEL_LCDC_VBP_OFFSET 8
  101. #define ATMEL_LCDC_VBP (0xffU << ATMEL_LCDC_VBP_OFFSET)
  102. #define ATMEL_LCDC_VPW_OFFSET 16
  103. #define ATMEL_LCDC_VPW (0x3fU << ATMEL_LCDC_VPW_OFFSET)
  104. #define ATMEL_LCDC_VHDLY_OFFSET 24
  105. #define ATMEL_LCDC_VHDLY (0xfU << ATMEL_LCDC_VHDLY_OFFSET)
  106. #define ATMEL_LCDC_TIM2 0x080c
  107. #define ATMEL_LCDC_HBP (0xffU << 0)
  108. #define ATMEL_LCDC_HPW_OFFSET 8
  109. #define ATMEL_LCDC_HPW (0x3fU << ATMEL_LCDC_HPW_OFFSET)
  110. #define ATMEL_LCDC_HFP_OFFSET 21
  111. #define ATMEL_LCDC_HFP (0x7ffU << ATMEL_LCDC_HFP_OFFSET)
  112. #define ATMEL_LCDC_LCDFRMCFG 0x0810
  113. #define ATMEL_LCDC_LINEVAL (0x7ff << 0)
  114. #define ATMEL_LCDC_HOZVAL_OFFSET 21
  115. #define ATMEL_LCDC_HOZVAL (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET)
  116. #define ATMEL_LCDC_FIFO 0x0814
  117. #define ATMEL_LCDC_FIFOTH (0xffff)
  118. #define ATMEL_LCDC_MVAL 0x0818
  119. #define ATMEL_LCDC_DP1_2 0x081c
  120. #define ATMEL_LCDC_DP4_7 0x0820
  121. #define ATMEL_LCDC_DP3_5 0x0824
  122. #define ATMEL_LCDC_DP2_3 0x0828
  123. #define ATMEL_LCDC_DP5_7 0x082c
  124. #define ATMEL_LCDC_DP3_4 0x0830
  125. #define ATMEL_LCDC_DP4_5 0x0834
  126. #define ATMEL_LCDC_DP6_7 0x0838
  127. #define ATMEL_LCDC_DP1_2_VAL (0xff)
  128. #define ATMEL_LCDC_DP4_7_VAL (0xfffffff)
  129. #define ATMEL_LCDC_DP3_5_VAL (0xfffff)
  130. #define ATMEL_LCDC_DP2_3_VAL (0xfff)
  131. #define ATMEL_LCDC_DP5_7_VAL (0xfffffff)
  132. #define ATMEL_LCDC_DP3_4_VAL (0xffff)
  133. #define ATMEL_LCDC_DP4_5_VAL (0xfffff)
  134. #define ATMEL_LCDC_DP6_7_VAL (0xfffffff)
  135. #define ATMEL_LCDC_PWRCON 0x083c
  136. #define ATMEL_LCDC_PWR (1 << 0)
  137. #define ATMEL_LCDC_GUARDT_OFFSET 1
  138. #define ATMEL_LCDC_GUARDT (0x7f << ATMEL_LCDC_GUARDT_OFFSET)
  139. #define ATMEL_LCDC_BUSY (1 << 31)
  140. #define ATMEL_LCDC_CONTRAST_CTR 0x0840
  141. #define ATMEL_LCDC_PS (3 << 0)
  142. #define ATMEL_LCDC_PS_DIV1 (0 << 0)
  143. #define ATMEL_LCDC_PS_DIV2 (1 << 0)
  144. #define ATMEL_LCDC_PS_DIV4 (2 << 0)
  145. #define ATMEL_LCDC_PS_DIV8 (3 << 0)
  146. #define ATMEL_LCDC_POL (1 << 2)
  147. #define ATMEL_LCDC_POL_NEGATIVE (0 << 2)
  148. #define ATMEL_LCDC_POL_POSITIVE (1 << 2)
  149. #define ATMEL_LCDC_ENA (1 << 3)
  150. #define ATMEL_LCDC_ENA_PWMDISABLE (0 << 3)
  151. #define ATMEL_LCDC_ENA_PWMENABLE (1 << 3)
  152. #define ATMEL_LCDC_CONTRAST_VAL 0x0844
  153. #define ATMEL_LCDC_CVAL (0xff)
  154. #define ATMEL_LCDC_IER 0x0848
  155. #define ATMEL_LCDC_IDR 0x084c
  156. #define ATMEL_LCDC_IMR 0x0850
  157. #define ATMEL_LCDC_ISR 0x0854
  158. #define ATMEL_LCDC_ICR 0x0858
  159. #define ATMEL_LCDC_LNI (1 << 0)
  160. #define ATMEL_LCDC_LSTLNI (1 << 1)
  161. #define ATMEL_LCDC_EOFI (1 << 2)
  162. #define ATMEL_LCDC_UFLWI (1 << 4)
  163. #define ATMEL_LCDC_OWRI (1 << 5)
  164. #define ATMEL_LCDC_MERI (1 << 6)
  165. #define ATMEL_LCDC_LUT(n) (0x0c00 + ((n)*4))
  166. #endif /* __ATMEL_LCDC_H__ */