diff options
| author | Heiko Schocher <hs@denx.de> | 2011-01-26 08:21:30 +0100 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-03-22 09:17:14 +0100 |
| commit | 4295f9bf74a885da390abc49a3b42a011c1bb890 (patch) | |
| tree | 6ac387cbdcacd8708611acbaab72dad1b783c90e /drivers/video | |
| parent | video, sm501: add edid and commandline support (diff) | |
| download | linux-4295f9bf74a885da390abc49a3b42a011c1bb890.tar.xz linux-4295f9bf74a885da390abc49a3b42a011c1bb890.zip | |
video, sm501: add OF binding to support SM501
- add binding to OF, compatible name "smi,sm501"
Signed-off-by: Heiko Schocher <hs@denx.de>
cc: linux-fbdev@vger.kernel.org
cc: devicetree-discuss@ozlabs.org
cc: Ben Dooks <ben@simtec.co.uk>
cc: Vincent Sanders <vince@simtec.co.uk>
cc: Samuel Ortiz <sameo@linux.intel.com>
cc: linux-kernel@vger.kernel.org
cc: Randy Dunlap <rdunlap@xenotime.net>
cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/sm501fb.c | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index f31252ce8892..46d1a64fe80d 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -1729,6 +1729,15 @@ static int sm501fb_init_fb(struct fb_info *fb, FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN; +#if defined(CONFIG_OF) +#ifdef __BIG_ENDIAN + if (of_get_property(info->dev->parent->of_node, "little-endian", NULL)) + fb->flags |= FBINFO_FOREIGN_ENDIAN; +#else + if (of_get_property(info->dev->parent->of_node, "big-endian", NULL)) + fb->flags |= FBINFO_FOREIGN_ENDIAN; +#endif +#endif /* fixed data */ fb->fix.type = FB_TYPE_PACKED_PIXELS; @@ -1765,14 +1774,17 @@ static int sm501fb_init_fb(struct fb_info *fb, fb->var.xres_virtual = fb->var.xres; fb->var.yres_virtual = fb->var.yres; } else { - if (info->edid_data) + if (info->edid_data) { ret = fb_find_mode(&fb->var, fb, fb_mode, fb->monspecs.modedb, fb->monspecs.modedb_len, &sm501_default_mode, default_bpp); - else + /* edid_data is no longer needed, free it */ + kfree(info->edid_data); + } else { ret = fb_find_mode(&fb->var, fb, NULL, NULL, 0, NULL, 8); + } switch (ret) { case 1: @@ -1933,8 +1945,32 @@ static int __devinit sm501fb_probe(struct platform_device *pdev) } if (info->pdata == NULL) { - dev_info(dev, "using default configuration data\n"); + int found = 0; +#if defined(CONFIG_OF) + struct device_node *np = pdev->dev.parent->of_node; + const u8 *prop; + const char *cp; + int len; + info->pdata = &sm501fb_def_pdata; + if (np) { + /* Get EDID */ + cp = of_get_property(np, "mode", &len); + if (cp) + strcpy(fb_mode, cp); + prop = of_get_property(np, "edid", &len); + if (prop && len == EDID_LENGTH) { + info->edid_data = kmemdup(prop, EDID_LENGTH, + GFP_KERNEL); + if (info->edid_data) + found = 1; + } + } +#endif + if (!found) { + dev_info(dev, "using default configuration data\n"); + info->pdata = &sm501fb_def_pdata; + } } /* probe for the presence of each panel */ |