Hi Florian Tobias Schandinat,
Can you please accept below patch? It depends on my earlier patch "video:
da8xx-fb: Interrupt configuration of revised LCDC IP" accepted by Paul, but I
don't see it main line yet. Please let me know if I have submit both patches
again?
Thanks,
Prakash
On Tue, Jul 26, 2011 at 09:50:12, Manjunathappa, Prakash wrote:
> Hi Paul,
>
> Could you please accept this patch as there are no comments?
>
> Thanks,
> Prakash
> On Mon, Jul 18, 2011 at 09:58:53, Manjunathappa, Prakash wrote:
> > Revised LCD controller in upcoming TI SoC which is an updated version of
> > LCDC IP that was found on TI's DA850 SoC supports 2048*2048 resolution.
> > Below are the encoding details:
> > Width:
> > Pixels Per Line = {pplmsb, ppllsb, 4'b1111} + 1
> > Where pplmsb:1bit==>Raster Timing0[3], ppllsb:6bits==>Raster Timing0[9:4].
> > And encoded value can range from 16 to 2048 in multiples of 16.
> >
> > Height:
> > Lines Per Panel = {lpp_b10, lpp}
> > Where lpp:10bits==>Raster Timing1[9:0], lpp_b10:1bit==>Raster Timing2[26].
> > And encoded value can range from 1 to 2048, programmable range is 0 to
> > 2047.
> >
> > Patch is verified on emulation platform of upcoming SoC for updated
> > feature and on DA850 platform to make sure nothing existing breaks.
> >
> > Signed-off-by: Manjunathappa, Prakash <[email protected]>
> > ---
> > Since v2:
> > Corrected comment describing horizontal resolution bits and removed
> > unnecessary
> > outer parenthesis.
> > Since v1:
> > 1)Fixed the bug in configuration of lpp_b10 in Raster Timing2[26] register.
> > 2)Reframed commit message.
> >
> > drivers/video/da8xx-fb.c | 31 ++++++++++++++++++++++++++++---
> > 1 files changed, 28 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
> > index 620f1c3..94b611a 100644
> > --- a/drivers/video/da8xx-fb.c
> > +++ b/drivers/video/da8xx-fb.c
> > @@ -460,18 +460,43 @@ static int lcd_cfg_frame_buffer(struct da8xx_fb_par
> > *par, u32 width, u32 height,
> >
> > /* Set the Panel Width */
> > /* Pixels per line = (PPL + 1)*16 */
> > - /*0x3F in bits 4..9 gives max horisontal resolution = 1024 pixels*/
> > - width &= 0x3f0;
> > + if (lcd_revision == LCD_VERSION_1) {
> > + /*
> > + * 0x3F in bits 4..9 gives max horizontal resolution = 1024
> > + * pixels.
> > + */
> > + width &= 0x3f0;
> > + } else {
> > + /*
> > + * 0x7F in bits 4..10 gives max horizontal resolution = 2048
> > + * pixels.
> > + */
> > + width &= 0x7f0;
> > + }
> > +
> > reg = lcdc_read(LCD_RASTER_TIMING_0_REG);
> > reg &= 0xfffffc00;
> > - reg |= ((width >> 4) - 1) << 4;
> > + if (lcd_revision == LCD_VERSION_1) {
> > + reg |= ((width >> 4) - 1) << 4;
> > + } else {
> > + width = (width >> 4) - 1;
> > + reg |= ((width & 0x3f) << 4) | ((width & 0x40) >> 3);
> > + }
> > lcdc_write(reg, LCD_RASTER_TIMING_0_REG);
> >
> > /* Set the Panel Height */
> > + /* Set bits 9:0 of Lines Per Pixel */
> > reg = lcdc_read(LCD_RASTER_TIMING_1_REG);
> > reg = ((height - 1) & 0x3ff) | (reg & 0xfffffc00);
> > lcdc_write(reg, LCD_RASTER_TIMING_1_REG);
> >
> > + /* Set bit 10 of Lines Per Pixel */
> > + if (lcd_revision == LCD_VERSION_2) {
> > + reg = lcdc_read(LCD_RASTER_TIMING_2_REG);
> > + reg |= ((height - 1) & 0x400) << 16;
> > + lcdc_write(reg, LCD_RASTER_TIMING_2_REG);
> > + }
> > +
> > /* Set the Raster Order of the Frame Buffer */
> > reg = lcdc_read(LCD_RASTER_CTRL_REG) & ~(1 << 8);
> > if (raster_order)
> > --
> > 1.7.1
> >
> >
>
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