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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/display/display_data_structure.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">数据结构设计</h1><div class="date inPage">28 Nov 2024</div><div style="color: gray;">
Read time: 9 minute(s)
</div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="display_data_structure__section_fqk_v1g_d1c" data-ofbid="display_data_structure__section_fqk_v1g_d1c"><h2 class="- topic/title title sectiontitle"><span class="+ topic/ph sw-d/filepath ph filepath">uapi/video/artinchip_video.h</span></h2>
<div class="- topic/p p" data-ofbid="d145544e28__20250121171610">
<ul class="- topic/ul ul" id="display_data_structure__ul_h3k_x1g_d1c" data-ofbid="display_data_structure__ul_h3k_x1g_d1c"><li class="- topic/li li" data-ofbid="d145544e31__20250121171610"><strong class="+ topic/ph hi-d/b ph b">struct
aic_rect</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_byq_y1g_d1c" data-ofbid="display_data_structure__codeblock_byq_y1g_d1c"><strong class="hl-keyword">struct</strong> aic_rect {
<strong class="hl-keyword">int</strong> x;
<strong class="hl-keyword">int</strong> y;
<strong class="hl-keyword">int</strong> width;
<strong class="hl-keyword">int</strong> height;
};</pre></li><li class="- topic/li li" data-ofbid="d145544e36__20250121171610"><strong class="+ topic/ph hi-d/b ph b">struct
aic_point</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_tf5_y1g_d1c" data-ofbid="display_data_structure__codeblock_tf5_y1g_d1c"><strong class="hl-keyword">struct</strong> aic_point {
<strong class="hl-keyword">int</strong> x;
<strong class="hl-keyword">int</strong> y;
};</pre></li><li class="- topic/li li" id="display_data_structure__li_q42_gdg_d1c" data-ofbid="display_data_structure__li_q42_gdg_d1c"><strong class="+ topic/ph hi-d/b ph b">struct
aic_size</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_lvw_y1g_d1c" data-ofbid="display_data_structure__codeblock_lvw_y1g_d1c"><strong class="hl-keyword">struct</strong> aic_size {
<strong class="hl-keyword">int</strong> width;
<strong class="hl-keyword">int</strong> height;
};</pre></li><li class="- topic/li li" data-ofbid="d145544e46__20250121171610"><strong class="+ topic/ph hi-d/b ph b">enum
aic_pixel_format</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_jc1_1bg_d1c" data-ofbid="display_data_structure__codeblock_jc1_1bg_d1c"><strong class="hl-keyword">enum</strong> aic_pixel_format {
AIC_FMT_ARGB_<span class="hl-number">8888</span> = <span class="hl-number">0x00</span>,
AIC_FMT_ABGR_<span class="hl-number">8888</span> = <span class="hl-number">0x01</span>,
AIC_FMT_RGBA_<span class="hl-number">8888</span> = <span class="hl-number">0x02</span>,
AIC_FMT_BGRA_<span class="hl-number">8888</span> = <span class="hl-number">0x03</span>,
AIC_FMT_XRGB_<span class="hl-number">8888</span> = <span class="hl-number">0x04</span>,
AIC_FMT_XBGR_<span class="hl-number">8888</span> = <span class="hl-number">0x05</span>,
AIC_FMT_RGBX_<span class="hl-number">8888</span> = <span class="hl-number">0x06</span>,
AIC_FMT_BGRX_<span class="hl-number">8888</span> = <span class="hl-number">0x07</span>,
AIC_FMT_RGB_<span class="hl-number">888</span> = <span class="hl-number">0x08</span>,
AIC_FMT_BGR_<span class="hl-number">888</span> = <span class="hl-number">0x09</span>,
AIC_FMT_ARGB_<span class="hl-number">1555</span> = <span class="hl-number">0x0a</span>,
AIC_FMT_ABGR_<span class="hl-number">1555</span> = <span class="hl-number">0x0b</span>,
AIC_FMT_RGBA_<span class="hl-number">5551</span> = <span class="hl-number">0x0c</span>,
AIC_FMT_BGRA_<span class="hl-number">5551</span> = <span class="hl-number">0x0d</span>,
AIC_FMT_RGB_<span class="hl-number">565</span> = <span class="hl-number">0x0e</span>,
AIC_FMT_BGR_<span class="hl-number">565</span> = <span class="hl-number">0x0f</span>,
AIC_FMT_ARGB_<span class="hl-number">4444</span> = <span class="hl-number">0x10</span>,
AIC_FMT_ABGR_<span class="hl-number">4444</span> = <span class="hl-number">0x11</span>,
AIC_FMT_RGBA_<span class="hl-number">4444</span> = <span class="hl-number">0x12</span>,
AIC_FMT_BGRA_<span class="hl-number">4444</span> = <span class="hl-number">0x13</span>,
AIC_FMT_YUV420P = <span class="hl-number">0x20</span>,
AIC_FMT_NV12 = <span class="hl-number">0x21</span>,
AIC_FMT_NV21 = <span class="hl-number">0x22</span>,
AIC_FMT_YUV422P = <span class="hl-number">0x23</span>,
AIC_FMT_NV16 = <span class="hl-number">0x24</span>,
AIC_FMT_NV61 = <span class="hl-number">0x25</span>,
AIC_FMT_YUYV = <span class="hl-number">0x26</span>,
AIC_FMT_YVYU = <span class="hl-number">0x27</span>,
AIC_FMT_UYVY = <span class="hl-number">0x28</span>,
AIC_FMT_VYUY = <span class="hl-number">0x29</span>,
AIC_FMT_YUV400 = <span class="hl-number">0x2a</span>,
AIC_FMT_YUV444P = <span class="hl-number">0x2b</span>,
AIC_FMT_YUV420_<span class="hl-number">64</span>x32_TILE = <span class="hl-number">0x30</span>,
AIC_FMT_YUV420_<span class="hl-number">128</span>x16_TILE = <span class="hl-number">0x31</span>,
AIC_FMT_YUV422_<span class="hl-number">64</span>x32_TILE = <span class="hl-number">0x32</span>,
AIC_FMT_YUV422_<span class="hl-number">128</span>x16_TILE = <span class="hl-number">0x33</span>,
AIC_FMT_MAX,
};</pre></li></ul>
</div>
</section><section class="- topic/section section" id="display_data_structure__section_kmc_x1g_d1c" data-ofbid="display_data_structure__section_kmc_x1g_d1c"><h2 class="- topic/title title sectiontitle"><span class="+ topic/ph sw-d/filepath ph filepath">uapi/video/artinchip_fb.h</span></h2>
<div class="- topic/p p" data-ofbid="d145544e59__20250121171610">
<ul class="- topic/ul ul" id="display_data_structure__ul_ftr_1bg_d1c" data-ofbid="display_data_structure__ul_ftr_1bg_d1c"><li class="- topic/li li" id="display_data_structure__li_dvy_ccg_d1c" data-ofbid="display_data_structure__li_dvy_ccg_d1c"><strong class="+ topic/ph hi-d/b ph b">struct
aicfb_layer_num</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_tt5_dbg_d1c" data-ofbid="display_data_structure__codeblock_tt5_dbg_d1c"><span class="hl-tag-doctype-comment">/**
* struct aicfb_layer_num - aicfb layer number
* @vi_num: number of video layers
* @ui_num: number of UI layers
*
* total_layer_num = vi_num + ui_num
*
* layer id range: [0, total_layer_num - 1]
*/</span>
<strong class="hl-keyword">struct</strong> aicfb_layer_num {
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> vi_num;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> ui_num;
};</pre></li><li class="- topic/li li" id="display_data_structure__li_jcy_tdg_d1c" data-ofbid="display_data_structure__li_jcy_tdg_d1c"><strong class="+ topic/ph hi-d/b ph b">struct
aicfb_layer_capability</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_egy_dbg_d1c" data-ofbid="display_data_structure__codeblock_egy_dbg_d1c"><span class="hl-tag-doctype-comment">/**
* struct aicfb_layer_capability - aicfb layer capability
* @layer_id: the layer id
* @layer_type: the layer type
* 0: UI layer
* 1: Video layer
* @max_width: the max pixels per line
* @max_height: the max lines
* @cap_flags: flags of layer capability
*/</span>
<strong class="hl-keyword">struct</strong> aicfb_layer_capability {
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> layer_id;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> layer_type;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> max_width;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> max_height;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> cap_flags;
};</pre></li><li class="- topic/li li" data-ofbid="d145544e72__20250121171610"><strong class="+ topic/ph hi-d/b ph b">struct aicfb_buffer</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_nj1_2bg_d1c" data-ofbid="display_data_structure__codeblock_nj1_2bg_d1c"><span class="hl-tag-doctype-comment">/**
* struct aicfb_buffer - aicfb frame buffer
* @phy_addr[3]: address of frame buffer
* single addr for interleaved fomart with 1 plane,
* double addr for semi-planar fomart with 2 planes,
* triple addr for planar format with 3 planes
* @size: width and height of aicfb_buffer
* @stride[3]: stride for all planes
* @crop_en: corp disable/enable ctrl
* 0: disable crop the buffer
* 1: enable crop the buffer
* @crop: crop info
* @format: color format
* @buf_flags: aicfb buffer flags
*/</span>
<strong class="hl-keyword">struct</strong> aicfb_buffer {
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> phy_addr[AICFB_PLANE_NUM];
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> dmabuf_fd[AICFB_PLANE_NUM];
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> stride[AICFB_PLANE_NUM];
<strong class="hl-keyword">struct</strong> aic_size size;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> crop_en;
<strong class="hl-keyword">struct</strong> aic_rect crop;
<strong class="hl-keyword">enum</strong> aic_pixel_format format;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> buf_flags;
};</pre></li><li class="- topic/li li" id="display_data_structure__li_struct_aicfb_layer_data" data-ofbid="display_data_structure__li_struct_aicfb_layer_data"><strong class="+ topic/ph hi-d/b ph b">struct
aicfb_layer_data</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_mfc_2bg_d1c" data-ofbid="display_data_structure__codeblock_mfc_2bg_d1c"><span class="hl-tag-doctype-comment">/**
* struct aicfb_layer_data - aicfb layer data
* @enable
* 0: disable the layer
* 1: enable the layer
* @layer_id: the layer id
*
* @rect_id: the rectanglular window id of the layer
* only used by layers with multi-rectangular windows
* for example: if the layer has 4 rectangular windows,
* rect_id can be 0,1,2 or 3 for different windows
*
* @scale_size: scaling size
* if the layer can be scaled. the scaling size can be different
* from the input buffer. the input buffer can be original aicfb_buffer
* or crop aicfb_buffer, otherwise, the scaling size will be ignore
*
* @pos: left-top x/y coordinate of the screen in pixels
* @buf: frame buffer
*/</span>
<strong class="hl-keyword">struct</strong> aicfb_layer_data {
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> enable;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> layer_id;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> rect_id;
<strong class="hl-keyword">struct</strong> aic_size scale_size;
<strong class="hl-keyword">struct</strong> aic_point pos;
<strong class="hl-keyword">struct</strong> aicfb_buffer buf;
};</pre></li><li class="- topic/li li" id="display_data_structure__li_edn_pdg_d1c" data-ofbid="display_data_structure__li_edn_pdg_d1c"><strong class="+ topic/ph hi-d/b ph b">struct
aicfb_config_lists</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_svd_2bg_d1c" data-ofbid="display_data_structure__codeblock_svd_2bg_d1c"><span class="hl-tag-doctype-comment">/**
* struct aicfb_config_lists - aicfb config lists
* @num: the total number of layer data config lists
* @layers[]: the array of aicfb_layer_data lists
*/</span>
<strong class="hl-keyword">struct</strong> aicfb_config_lists {
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> num;
<strong class="hl-keyword">struct</strong> aicfb_layer_data layers[];
};</pre></li><li class="- topic/li li" id="display_data_structure__li_iks_ldg_d1c" data-ofbid="display_data_structure__li_iks_ldg_d1c"><strong class="+ topic/ph hi-d/b ph b">struct
aicfb_alpha_config</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_elf_2bg_d1c" data-ofbid="display_data_structure__codeblock_elf_2bg_d1c"><span class="hl-tag-doctype-comment">/**
* struct aicfb_alpha_config - aicfb layer alpha blending config
*
* @layer_id: the layer id
*
* @enable
* 0: disable alpha
* 1: enable alpha
*
* @mode: alpha mode
* 0: pixel alpha mode
* 1: global alpha mode
* 2: mixder alpha mode(alpha = pixel alpha * global alpha / 255)
*
* @value: global alpha value (0~255)
* used by global alpha mode and mixer alpha mode
*
*/</span>
<strong class="hl-keyword">struct</strong> aicfb_alpha_config {
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> layer_id;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> enable;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> mode;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> value;
};</pre></li><li class="- topic/li li" id="display_data_structure__li_bnc_jdg_d1c" data-ofbid="display_data_structure__li_bnc_jdg_d1c"><strong class="+ topic/ph hi-d/b ph b">struct
aicfb_ck_config</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_qd3_2bg_d1c" data-ofbid="display_data_structure__codeblock_qd3_2bg_d1c"><span class="hl-tag-doctype-comment">/**
* struct aicfb_ck_config - aicfb layer color key blending config
*
* @layer_id: the layer id
*
* @ck_enable
* 0: disable color key
* 1: enable color key
*
*
* @ck_value: color key rgb value to match the layer pixels
* bit[31:24]: reserved
* bit[23:16]: R value
* bit[15:8]: G value
* bit[7:0]: B value
*
*/</span>
<strong class="hl-keyword">struct</strong> aicfb_ck_config {
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> layer_id;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> enable;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> value;
};</pre></li><li class="- topic/li li" id="display_data_structure__li_oyp_ycg_d1c" data-ofbid="display_data_structure__li_oyp_ycg_d1c"><strong class="+ topic/ph hi-d/b ph b">struct
aicfb_dmabuf_fd</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_cyj_2bg_d1c" data-ofbid="display_data_structure__codeblock_cyj_2bg_d1c"><span class="hl-tag-doctype-comment">/**
* Transfer dma-buf fd from userspace to the importers in kernel.
*
* @fd: the actual fd, requested by mmap() in userspace
* @phy_addr: the physical address of the actual fd
*
*/</span>
<strong class="hl-keyword">struct</strong> aicfb_dmabuf_fd {
<strong class="hl-keyword">int</strong> fd;
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> phy_addr;
};</pre></li><li class="- topic/li li" data-ofbid="d145544e102__20250121171610"><strong class="+ topic/ph hi-d/b ph b">ioctl
命令</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_data_structure__codeblock_rlm_2bg_d1c" data-ofbid="display_data_structure__codeblock_rlm_2bg_d1c">#<span class="hl-directive">define</span> IOC_TYPE_FB <span class="hl-string">'F'</span>
#<span class="hl-directive">define</span> AICFB_WAIT_FOR_VSYNC _IOW(IOC_TYPE_FB, <span class="hl-number">0x20</span>, <strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong>)
<span class="hl-tag-doctype-comment">/** get layer number */</span>
#<span class="hl-directive">define</span> AICFB_GET_LAYER_NUM _IOR(IOC_TYPE_FB, <span class="hl-number">0x21</span>, <strong class="hl-keyword">struct</strong> aicfb_layer_num)
<span class="hl-tag-doctype-comment">/** get layer capability */</span>
#<span class="hl-directive">define</span> AICFB_GET_LAYER_CAPABILITY _IOWR(IOC_TYPE_FB, <span class="hl-number">0x22</span>,\
<strong class="hl-keyword">struct</strong> aicfb_layer_capability)
<span class="hl-tag-doctype-comment">/** get layer config data */</span>
#<span class="hl-directive">define</span> AICFB_GET_LAYER_CONFIG _IOWR(IOC_TYPE_FB, <span class="hl-number">0x23</span>, \
<strong class="hl-keyword">struct</strong> aicfb_layer_data)
<span class="hl-tag-doctype-comment">/** update layer config data */</span>
#<span class="hl-directive">define</span> AICFB_UPDATE_LAYER_CONFIG _IOW(IOC_TYPE_FB, <span class="hl-number">0x24</span>, \
<strong class="hl-keyword">struct</strong> aicfb_layer_data)
<span class="hl-tag-doctype-comment">/** update layer config data lists */</span>
#<span class="hl-directive">define</span> AICFB_UPDATE_LAYER_CONFIG_LISTS _IOW(IOC_TYPE_FB, <span class="hl-number">0x25</span>, \
<strong class="hl-keyword">struct</strong> aicfb_config_lists)
<span class="hl-tag-doctype-comment">/** get layer alpha blendig config */</span>
#<span class="hl-directive">define</span> AICFB_GET_ALPHA_CONFIG _IOWR(IOC_TYPE_FB, <span class="hl-number">0x26</span>, \
<strong class="hl-keyword">struct</strong> aicfb_alpha_config)
<span class="hl-tag-doctype-comment">/** update layer alpha blendig config */</span>
#<span class="hl-directive">define</span> AICFB_UPDATE_ALPHA_CONFIG _IOW(IOC_TYPE_FB, <span class="hl-number">0x27</span>, \
<strong class="hl-keyword">struct</strong> aicfb_alpha_config)
<span class="hl-tag-doctype-comment">/** get layer color key config */</span>
#<span class="hl-directive">define</span> AICFB_GET_CK_CONFIG _IOWR(IOC_TYPE_FB, <span class="hl-number">0x26</span>, <strong class="hl-keyword">struct</strong> aicfb_ck_config)
<span class="hl-tag-doctype-comment">/** update layer color key config */</span>
#<span class="hl-directive">define</span> AICFB_UPDATE_CK_CONFIG _IOW(IOC_TYPE_FB, <span class="hl-number">0x27</span>, <strong class="hl-keyword">struct</strong> aicfb_ck_config)
<span class="hl-tag-doctype-comment">/** get screen size */</span>
#<span class="hl-directive">define</span> AICFB_GET_SCREEN_SIZE _IOR(IOC_TYPE_FB, <span class="hl-number">0x40</span>, <strong class="hl-keyword">struct</strong> aic_size)
<span class="hl-tag-doctype-comment">/** get layer config data which the standard framebuffer is used
* call this API to get which layer the standard framebuffer is used.
*/</span>
#<span class="hl-directive">define</span> AICFB_GET_FB_LAYER_CONFIG _IOR(IOC_TYPE_FB, <span class="hl-number">0x41</span>, \
<strong class="hl-keyword">struct</strong> aicfb_layer_data)
#<span class="hl-directive">define</span> AICFB_GET_DMABUF _IOW(IOC_TYPE_FB, <span class="hl-number">0x50</span>, <strong class="hl-keyword">struct</strong> aicfb_dmabuf_fd)
#<span class="hl-directive">define</span> AICFB_PUT_DMABUF _IOW(IOC_TYPE_FB, <span class="hl-number">0x51</span>, <strong class="hl-keyword">struct</strong> aicfb_dmabuf_fd)
<span class="hl-tag-doctype-comment">/** export a dma_buf fd, associates /dev/fb0 */</span>
#<span class="hl-directive">define</span> AICFB_TO_DMABUF_FD _IOW(IOC_TYPE_FB, <span class="hl-number">0x52</span>, <strong class="hl-keyword">struct</strong> aicfb_dmabuf_fd)</pre></li></ul>
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