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fbdev: sh_mipi_dsi: Use the LCDC entity default mode
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Configure the MIPI-DSI transmitter using the LCDC entity default mode
instead of accessing the mode through the LCDC platform data.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Laurent Pinchart committed Nov 21, 2012
1 parent 86c82c4 commit 8e2b203
Showing 1 changed file with 22 additions and 21 deletions.
43 changes: 22 additions & 21 deletions drivers/video/sh_mipi_dsi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -127,9 +127,10 @@ static void sh_mipi_shutdown(struct platform_device *pdev)
sh_mipi_dsi_enable(mipi, false);
}

static int sh_mipi_setup(struct sh_mipi *mipi, struct sh_mipi_dsi_info *pdata)
static int sh_mipi_setup(struct sh_mipi *mipi, const struct fb_videomode *mode)
{
void __iomem *base = mipi->base;
struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data;
struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan;
u32 pctype, datatype, pixfmt, linelength, vmctr2;
u32 tmp, top, bottom, delay, div;
Expand All @@ -146,85 +147,85 @@ static int sh_mipi_setup(struct sh_mipi *mipi, struct sh_mipi_dsi_info *pdata)
pctype = 0;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
linelength = ch->lcd_modes[0].xres * 3;
linelength = mode->xres * 3;
yuv = false;
break;
case MIPI_RGB565:
pctype = 1;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
linelength = ch->lcd_modes[0].xres * 2;
linelength = mode->xres * 2;
yuv = false;
break;
case MIPI_RGB666_LP:
pctype = 2;
datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
linelength = ch->lcd_modes[0].xres * 3;
linelength = mode->xres * 3;
yuv = false;
break;
case MIPI_RGB666:
pctype = 3;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
linelength = (ch->lcd_modes[0].xres * 18 + 7) / 8;
linelength = (mode->xres * 18 + 7) / 8;
yuv = false;
break;
case MIPI_BGR888:
pctype = 8;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
linelength = ch->lcd_modes[0].xres * 3;
linelength = mode->xres * 3;
yuv = false;
break;
case MIPI_BGR565:
pctype = 9;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
linelength = ch->lcd_modes[0].xres * 2;
linelength = mode->xres * 2;
yuv = false;
break;
case MIPI_BGR666_LP:
pctype = 0xa;
datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
linelength = ch->lcd_modes[0].xres * 3;
linelength = mode->xres * 3;
yuv = false;
break;
case MIPI_BGR666:
pctype = 0xb;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
linelength = (ch->lcd_modes[0].xres * 18 + 7) / 8;
linelength = (mode->xres * 18 + 7) / 8;
yuv = false;
break;
case MIPI_YUYV:
pctype = 4;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
linelength = ch->lcd_modes[0].xres * 2;
linelength = mode->xres * 2;
yuv = true;
break;
case MIPI_UYVY:
pctype = 5;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
linelength = ch->lcd_modes[0].xres * 2;
linelength = mode->xres * 2;
yuv = true;
break;
case MIPI_YUV420_L:
pctype = 6;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
linelength = (ch->lcd_modes[0].xres * 12 + 7) / 8;
linelength = (mode->xres * 12 + 7) / 8;
yuv = true;
break;
case MIPI_YUV420:
pctype = 7;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
/* Length of U/V line */
linelength = (ch->lcd_modes[0].xres + 1) / 2;
linelength = (mode->xres + 1) / 2;
yuv = true;
break;
default:
Expand Down Expand Up @@ -293,7 +294,7 @@ static int sh_mipi_setup(struct sh_mipi *mipi, struct sh_mipi_dsi_info *pdata)
*/
iowrite32(0x00000006, mipi->linkbase + DTCTR);
/* VSYNC width = 2 (<< 17) */
iowrite32((ch->lcd_modes[0].vsync_len << pdata->vsynw_offset) |
iowrite32((mode->vsync_len << pdata->vsynw_offset) |
(pdata->clksrc << 16) | (pctype << 12) | datatype,
mipi->linkbase + VMCTR1);

Expand Down Expand Up @@ -327,7 +328,7 @@ static int sh_mipi_setup(struct sh_mipi *mipi, struct sh_mipi_dsi_info *pdata)
top = linelength << 16; /* RGBLEN */
bottom = 0x00000001;
if (pdata->flags & SH_MIPI_DSI_HSABM) /* HSALEN */
bottom = (pdata->lane * ch->lcd_modes[0].hsync_len) - 10;
bottom = (pdata->lane * mode->hsync_len) - 10;
iowrite32(top | bottom , mipi->linkbase + VMLEN1);

/*
Expand All @@ -347,18 +348,18 @@ static int sh_mipi_setup(struct sh_mipi *mipi, struct sh_mipi_dsi_info *pdata)
div = 2;

if (pdata->flags & SH_MIPI_DSI_HFPBM) { /* HBPLEN */
top = ch->lcd_modes[0].hsync_len + ch->lcd_modes[0].left_margin;
top = mode->hsync_len + mode->left_margin;
top = ((pdata->lane * top / div) - 10) << 16;
}
if (pdata->flags & SH_MIPI_DSI_HBPBM) { /* HFPLEN */
bottom = ch->lcd_modes[0].right_margin;
bottom = mode->right_margin;
bottom = (pdata->lane * bottom / div) - 12;
}

bpp = linelength / ch->lcd_modes[0].xres; /* byte / pixel */
bpp = linelength / mode->xres; /* byte / pixel */
if ((pdata->lane / div) > bpp) {
tmp = ch->lcd_modes[0].xres / bpp; /* output cycle */
tmp = ch->lcd_modes[0].xres - tmp; /* (input - output) cycle */
tmp = mode->xres / bpp; /* output cycle */
tmp = mode->xres - tmp; /* (input - output) cycle */
delay = (pdata->lane * tmp);
}

Expand Down Expand Up @@ -405,7 +406,7 @@ static int mipi_display_on(struct sh_mobile_lcdc_entity *entity)
if (ret < 0)
goto mipi_display_on_fail1;

ret = sh_mipi_setup(mipi, pdata);
ret = sh_mipi_setup(mipi, &entity->def_mode);
if (ret < 0)
goto mipi_display_on_fail2;

Expand Down

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