J5 EVM显示地平线logo画面

1通路流程图及外部设备连接

该通路可验证IDU、MIPI TX_0、HDMI子板3个模块的功能，其中IDU模块从eMMC中读取数据并发送给MIPI TX_0，MIPI TX_0把数据再发给HDMI子板，HDMI子板负责信号转换，最后把信号显示到HDMI屏幕上。

HDMI子板接到MIPI_TX卡槽上。

1.2测试代码位置

测试代码位置在工程代码根目录/vapi-sample/j5_board_evm/vio_scenario/sample1_vio_scenario目录下面。

1.3测试脚本使用说明

case运行15s。

/app/bin/vps/vpm/evm/sample_test_case.sh evm_tx0_idu0yuv_hdmi_1080p_logo

2配置文件说明

2.1 IDU配置文件说明

1. {

2. "memory_config":

3. {

4. "mem_mode": 0

5. },

6. "channel0_config":

7. {

8. "ch_en": 1,

9. "pri": 2,

10. "src_width": 318,

11. "src_height": 98,

12. "format": 6,

13. "xpos": 1600,

14. "ypos": 10,

15. "alpha_sel": 0,

16. "overmode": 0,

17. "alpha_en": 1,

18. "alpha": 50,

19. "key-color": 0,

20. "crop_width": 318,

21. "crop_height": 98

22. },

23. "channel1_config":

24. {

25. "ch_en": 1, -- 使能通道

26. "pri": 3, -- 通道的优先级为3

27. "src_width": 1920, -- logo的宽

28. "src_height": 1080, -- logo的高

29. "format": 6, -- 数据格式配置为FORMAT_YUV420SP_UV

30. "xpos": 0, -- xpos/ypos决定图片从左上角不做偏移开始显示

31. "ypos": 0,

32. "alpha": 255, -- alpha_sel为0表示越大越不透明，反之，alpha_sel为1表示越大越透明

33. "alpha_sel": 0,

34. "overmode": 0,

35. "alpha_en": 1, -- 使能透明度

36. "key-color": 0,

37. "crop_width": 1920, -- 原图不进行裁剪

38. "crop_height": 1080

39. },

40. "channel2_config":

41. {

42. "ch_en": 0,

43. "pri": 0,

44. "src_width": 1920,

45. "src_height": 1080,

46. "format": 4,

47. "xpos": 0,

48. "ypos": 0,

49. "alpha": 255,

50. "alpha_sel": 0,

51. "overmode": 0,

52. "alpha_en": 1,

53. "key-color": 0,

54. "crop_width": 1920,

55. "crop_height": 1080

56. },

57. "channel3_config":

58. {

59. "ch_en": 0,

60. "pri": 1,

61. "src_width": 1920,

62. "src_height": 1080,

63. "format": 4,

64. "xpos": 0,

65. "ypos": 0,

66. "alpha": 255,

67. "alpha_sel": 0,

68. "overmode": 0,

69. "alpha_en": 1,

70. "key-color": 0,

71. "crop_width": 1920,

72. "crop_height": 1080

73. },

74. "upscale_config":

75. {

76. "scale_en": 0,

77. "src_size_width": 1920,

78. "src_size_height": 1080,

79. "tgt_size_width": 1920,

80. "tgt_size_height": 1080

81. },

82. "timing_config":

83. {

84. "hbp": 148,

85. "hfp": 88,

86. "hs": 44,

87. "vbp": 36,

88. "vfp": 10,

89. "vs": 5,

90. "vfp_cnt": 0

91. },

92. "outputconfig":

93. {

94. "output_mode": 4,

95. "panel_width": 1920,

96. "panel_height": 1080,

97. "display_addr_type": 2,

98. "display_cam_no": 0,

99. "display_addr_type_layer1": 0,

100. "display_cam_no_layer1": 0,

101. "backlight_level": 10,

102. "panel_type": 1,

103. "bg_color": 16744328,

104. "contrast_en": 0,

105. "contrast_val": 0,

106. "bright_en": 0,

107. "bright_val": 0,

108. "off_contrast": 0,

109. "sat_en": 0,

110. "sat_val": 0,

111. "hue_en": 0,

112. "theta_sign": 0,

113. "theta_abs": 0,

114. "dithering_en": 0,

115. "dithering_flag": 0,

116. "gamma_en": 0,

117. "gamma_val": 0,

118. "user_refresh": 1,

119. "user_refresh_layer1": 1,

120. "rotate": 0,

121. "platform": 1,

122. "big_endian": 0

123. }

124. }

2.2 Mipi配置文件说明

1. {

2. "mipi": {

3. "base": {

4. "lane": 4,

5. "datatype": "0x1e",

6. "mclk": 24,

7. "mipiclk": 6000,

8. "fps": 30,

9. "width": 1920,

10. "height": 1080,

11. "linelenth": 4464,

12. "framelenth": 2800,

13. "settle": 20

14. },

15. "host": { -- HOST独有的配置项

16. "enable": 0, -- 1-使能，0-不使能(操作时忽略,为0时下述配置都忽略)

17. "hsa": 0, -- IPI的HSA配置，0-使用驱动默认值(4)

18. "hbp": 0, -- IPI的HBP配置，0-使用驱动默认值(4)

19. "hsd": 0, -- IPI的HSD配置，0-使用驱动默认值(根据base内参数计算而来)

20. "vc_num": 2, -- 接入VC(使用IPI)的数量(注:Host2/3最多只支持2路VC)

21. "vc0_index": 0, -- VC0绑定到IPI1

22. "vc1_index": 1, -- VC1绑定到IPI2

23. "vc2_index": 2, -- VC2绑定到IPI3

24. "vc3_index": 3 -- VC3绑定到IPI4

25. },

26. "dev": { -- DEV独有的配置项

27. "enable": 1, -- 1/2-使能dev0/1，0-不使能(操作时忽略,为0时下述配置都忽略)

28. "vpg": 0, -- VPG模式:b0=0-禁止/1-使能，b1=0-竖条纹/1-横条纹，b2=0-ColorBar/1-BER，b7:3=VC

29. "ipi_lines": 1117, -- IPI的总行数，0-使用驱动默认(为height+1)

30. "dev_base": { -- 非必须，只有在dev和host的base配置不同时可单独配置dev的base配置

31. "lane": 4, -- dphy为4lane模式

32. "datatype": "0x1e", -- mipi数据类型: 0x2c-RAW12，更多可参见后文

33. "mclk": 24,

34. "mipiclk": 4200, -- MIPI总传输率(所有LANE): -> 每lane的速率为mipiclk/lane/2;

35. "fps": 30,

36. "width": 1920, -- 图宽pixel (HOST无对应寄存器，DEV有相应寄存器)

37. "height": 1080, -- 图高lines (HOST无对应寄存器，DEV供ipi_lines计算用)

38. "linelenth": 4167,

39. "framelenth": 1600,

40. "settle": 20

41. }

42. }

43. }

44. }

45.

MIPI数据格式

YUV

0x18

YUV420 8-bit

0x19

YUV420 10-bit

0x1A

Legacy YUV420 8-bit

0x1B

Reserved

0x1C

YUV420 8-bit (Chroma Shifted Pixel Sampling)

0x1D

YUV420 10-bit (Chroma Shifted Pixel Sampling)

0x1E

YUV422 8-bit

0x1F

YUV422 10-bit

RGB

0x20

RGB444

0x21

RGB555

0x22

RGB565

0x23

RGB666

0x24

RGB888

0x25~0x27

Reserved

RAW

0x28

RAW6

0x29

RAW7

0x2A

RAW8

0x2B

RAW10

0x2C

RAW12

0x2D

RAW14

0x2E~0x2F

Reserved