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>
git-mirror · Oct 20, 2008 · f400f51 · f400f51
1 parent 7994b1c
commit f400f51
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 0 deletions.
diff --git 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
@@ -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;