[U-Boot] [PATCH 1/2] Add flexibility to mx51 video support
Frias Renato-B13784
b13784 at freescale.com
Tue Nov 2 06:15:53 CET 2010
This patch adds flexibility to mxc_ipuv3_fb.c by allowing the display
interface and pixel format to be passed to mx51_fb_init.
Signed-off-by: Renato Frias <renato.frias at freescale.com>
---
drivers/video/mxc_ipuv3_fb.c | 31 +++++++++++++++++++++++++------
1 files changed, 25 insertions(+), 6 deletions(-)
diff --git a/drivers/video/mxc_ipuv3_fb.c b/drivers/video/mxc_ipuv3_fb.c
index a66981c..024275a 100644
--- a/drivers/video/mxc_ipuv3_fb.c
+++ b/drivers/video/mxc_ipuv3_fb.c
@@ -526,7 +526,7 @@ static struct fb_info *mxcfb_init_fbinfo(void)
*
* @return Appropriate error code to the kernel common code
*/
-static int mxcfb_probe(u32 interface_pix_fmt, struct fb_videomode
*mode)
+static int mxcfb_probe(u32 interface_pix_fmt, struct fb_videomode
*mode, u32 ipu_di)
{
struct fb_info *fbi;
struct mxcfb_info *mxcfbi;
@@ -550,11 +550,14 @@ static int mxcfb_probe(u32 interface_pix_fmt,
struct fb_videomode *mode)
mxcfbi->blank = FB_BLANK_POWERDOWN;
}
- mxcfbi->ipu_di = 0;
+ mxcfbi->ipu_di = ipu_di;
ipu_disp_set_global_alpha(mxcfbi->ipu_ch, 1, 0x80);
ipu_disp_set_color_key(mxcfbi->ipu_ch, 0, 0);
- strcpy(fbi->fix.id, "DISP3 BG");
+ if (ipu_di == 0)
+ strcpy(fbi->fix.id, "DISP3 BG");
+ else if (ipu_di == 1)
+ strcpy(fbi->fix.id, "DISP3 BG - DI1");
g_dp_in_use = 1;
@@ -593,7 +596,7 @@ static int mxcfb_probe(u32 interface_pix_fmt, struct
fb_videomode *mode)
"XRES = %d YRES = %d BitsXpixel = %d\n",
panel_info.vl_col,
panel_info.vl_row,
- panel_info.vl_bpix);
+ NBITS(panel_info.vl_bpix));
ipu_dump_registers();
@@ -625,9 +628,10 @@ void lcd_ctrl_init(void *lcdbase)
memset(lcdbase, 0, mem_len);
}
-int mx51_fb_init(struct fb_videomode *mode)
+int mx51_fb_init(struct fb_videomode *mode, u32 ipu_di, u32 bppix)
{
int ret;
+ uint32_t pixfmt = 0;
ret = ipu_probe();
if (ret)
@@ -635,8 +639,23 @@ int mx51_fb_init(struct fb_videomode *mode)
lcd_base += 56;
+ switch (bppix) {
+ case 32:
+ pixfmt = IPU_PIX_FMT_BGR32;
+ break;
+ case 24:
+ pixfmt = IPU_PIX_FMT_BGR24;
+ break;
+ case 18:
+ pixfmt = IPU_PIX_FMT_RGB666;
+ break;
+ case 16:
+ pixfmt = IPU_PIX_FMT_RGB565;
+ break;
+ }
+
debug("Framebuffer at 0x%x\n", (unsigned int)lcd_base);
- ret = mxcfb_probe(IPU_PIX_FMT_RGB666, mode);
+ ret = mxcfb_probe(pixfmt, mode, ipu_di);
return ret;
}
--
1.6.0.4
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