Lines Matching +full:vsync +full:- +full:active +full:- +full:high

10 	modprobe pxafb options=vmem:2M,mode:640x480-8,passive
14 	video=pxafb:vmem:2M,mode:640x480-8,passive
21 mode:XRESxYRES[-BPP]
45 vsynclen:VSYNC == LCCR2_VSW + 1
53 active | passive => LCCR0_PAS
55 	Active (TFT) or Passive (STN) display
65 hsync:HSYNC, vsync:VSYNC
67 	Horizontal and vertical sync. 0 => active low, 1 => active
68 	high.
76 	Output Enable Polarity. 0 => active low, 1 => active high
87   PXA27x and later processors support overlay1 and overlay2 on-top of the
88   base framebuffer (although under-neath the base is also possible). They
89   support palette and no-palette RGB formats, as well as YUV formats (only
96   1. overlay can start at a 32-bit word aligned position within the base
98      is encoded into var->nonstd (no, var->xoffset and var->yoffset are
104 	var->xres_virtual * var->yres_virtual * bpp
106      bpp = 16 -- for RGB565 or RGBT555
108      bpp = 24 -- for YUV444 packed
110      bpp = 24 -- for YUV444 planar
112      bpp = 16 -- for YUV422 planar (1 pixel = 1 Y + 1/2 Cb + 1/2 Cr)
114      bpp = 12 -- for YUV420 planar (1 pixel = 1 Y + 1/4 Cb + 1/4 Cr)
118      a. overlay does not support panning in x-direction, thus
119 	var->xres_virtual will always be equal to var->xres
121      b. line length of overlay(s) must be on a 32-bit word boundary,
124 	for one pixel is actually 2-bits, it means the line length
125 	should be a multiple of 16-pixels
127      c. starting horizontal position (XPOS) should start on a 32-bit
136 	 a. open("/dev/fb[1-2]", ...)
140 	    1) var->xres and var->yres
141 	    2) larger var->yres_virtual if more memory is required,
142 	       usually for double-buffering
143 	    3) var->nonstd for starting (x, y) and color format
144 	    4) var->{red, green, blue, transp} if RGB mode is to be used
155   4. var->nonstd is used to pass starting (x, y) position and color format,
159        +-----------------+---+----------+----------+
161        +-----------------+---+----------+----------+
163      FOR  - color format, as defined by OVERLAY_FORMAT_* in pxafb.h
165 	  - 0 - RGB
166 	  - 1 - YUV444 PACKED
167 	  - 2 - YUV444 PLANAR
168 	  - 3 - YUV422 PLANAR
169 	  - 4 - YUR420 PLANAR
171      XPOS - starting horizontal position
173      YPOS - starting vertical position