video: add sh_mobile_lcdc platform flags

Add platform data flags for detailed lcd display configuration.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 12 insertions, 0 deletions

diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 399a8a75ab0b..efff672fd7b8 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -262,6 +262,11 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
                 tmp = ch->ldmt1r_value;
                 tmp |= (lcd_cfg->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : 1 << 28;
                 tmp |= (lcd_cfg->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : 1 << 27;
+                tmp |= (ch->cfg.flags & LCDC_FLAGS_DWPOL) ? 1 << 26 : 0;
+                tmp |= (ch->cfg.flags & LCDC_FLAGS_DIPOL) ? 1 << 25 : 0;
+                tmp |= (ch->cfg.flags & LCDC_FLAGS_DAPOL) ? 1 << 24 : 0;
+                tmp |= (ch->cfg.flags & LCDC_FLAGS_HSCNT) ? 1 << 17 : 0;
+                tmp |= (ch->cfg.flags & LCDC_FLAGS_DWCNT) ? 1 << 16 : 0;
                 lcdc_write_chan(ch, LDMT1R, tmp);
 
                 /* setup SYS bus */
diff --git a/include/video/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h
index bfb42dbc5cc8..1a4bc6ada606 100644
--- a/include/video/sh_mobile_lcdc.h
+++ b/include/video/sh_mobile_lcdc.h
@@ -28,6 +28,12 @@ enum { LCDC_CHAN_DISABLED = 0,
 
 enum { LCDC_CLK_BUS, LCDC_CLK_PERIPHERAL, LCDC_CLK_EXTERNAL };
 
+#define LCDC_FLAGS_DWPOL (1 << 0) /* Rising edge dot clock data latch */
+#define LCDC_FLAGS_DIPOL (1 << 1) /* Active low display enable polarity */
+#define LCDC_FLAGS_DAPOL (1 << 2) /* Active low display data polarity */
+#define LCDC_FLAGS_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */
+#define LCDC_FLAGS_DWCNT (1 << 4) /* Disable dotclock during blanking */
+
 struct sh_mobile_lcdc_sys_bus_cfg {
         unsigned long ldmt2r;
         unsigned long ldmt3r;
@@ -57,6 +63,7 @@ struct sh_mobile_lcdc_chan_cfg {
         int bpp;
         int interface_type; /* selects RGBn or SYSn I/F, see above */
         int clock_divider;
+        unsigned long flags; /* LCDC_FLAGS_... */
         struct fb_videomode lcd_cfg;
         struct sh_mobile_lcdc_lcd_size_cfg lcd_size_cfg;
         struct sh_mobile_lcdc_board_cfg board_cfg;