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authorDamian Hobson-Garcia <dhobsong@igel.co.jp>2011-02-24 05:47:13 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-03-16 17:27:10 +0900
commit53b5031430bb3a7941b340b453afe4eabeb5340c (patch)
treec6eff3b6345c251194c6a1e6f8ca60a5d8f20581 /drivers/video/sh_mobile_lcdcfb.h
parent3b0fd9d75598584478d1d3f6551f8a8a9696c34e (diff)
downloadlinux-53b5031430bb3a7941b340b453afe4eabeb5340c.tar.gz
fbdev: sh_mobile_lcdc: Add YUV framebuffer support
Supports YCbCr420sp, YCbCr422sp, and YCbCr44sp, formats (bpp = 12, 16, and 24) respectively. When double-buffering both Y planes appear before the C planes (Y-Y-C-C), as opposed to Y-C-Y-C. Set .nonstd in struct sh_mobile_lcdc_chan_cfg to enable YUV mode, and use .bpp to distiguish between the 3 modes. The value of .nonstd is copied to bits 16-31 of LDDFR in the LCDC and should be set accordingly. .nonstd must be set to 0 for RGB mode. Due to the encoding of YUV data, the framebuffer will clear to green instead of black. In YUV 420 mode, panning is only possible in 2 line increments. Additionally in YUV 420 mode the vertical resolution of the framebuffer must be an even number. Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video/sh_mobile_lcdcfb.h')
-rw-r--r--drivers/video/sh_mobile_lcdcfb.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h
index 03a22dcbcc5..4635eed63ee 100644
--- a/drivers/video/sh_mobile_lcdcfb.h
+++ b/drivers/video/sh_mobile_lcdcfb.h
@@ -8,7 +8,7 @@
/* per-channel registers */
enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
- LDSM2R, LDSA1R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
+ LDSM2R, LDSA1R, LDSA2R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
LDHAJR,
NR_CH_REGS };