OMAPFB: Map the newly added omap_video_timings fields with fb sync flags
Use the newly added fields in omap_video_timings(hsync, vsync and data_enable
logic levels and data, hsync and vsync latching related info) to
configure/retrieve corresponding sync flags in fb_var_screeninfo and
fb_videomode.
Out of the new fields, hsync_level and vsync_level can be mapped to the fb sync
flags FB_SYNC_HOR_HIGH_ACT and FB_SYNC_VERT_HIGH_ACT.
When converting fb mode to omap_video_timings, the fields which don't have an
equivalent parameter in fb are kept as the original values if the panel driver
has a get_timings op, else they are set to default values.
Signed-off-by: Archit Taneja <archit@ti.com>
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index 3450ea0..5491817 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -733,6 +733,10 @@
var->lower_margin = timings.vfp;
var->hsync_len = timings.hsw;
var->vsync_len = timings.vsw;
+ var->sync |= timings.hsync_level == OMAPDSS_SIG_ACTIVE_HIGH ?
+ FB_SYNC_HOR_HIGH_ACT : 0;
+ var->sync |= timings.vsync_level == OMAPDSS_SIG_ACTIVE_HIGH ?
+ FB_SYNC_VERT_HIGH_ACT : 0;
} else {
var->pixclock = 0;
var->left_margin = 0;
@@ -741,11 +745,11 @@
var->lower_margin = 0;
var->hsync_len = 0;
var->vsync_len = 0;
+ var->sync = 0;
}
/* TODO: get these from panel->config */
var->vmode = FB_VMODE_NONINTERLACED;
- var->sync = 0;
return 0;
}
@@ -1993,6 +1997,7 @@
}
static int omapfb_mode_to_timings(const char *mode_str,
+ struct omap_dss_device *display,
struct omap_video_timings *timings, u8 *bpp)
{
struct fb_info *fbi;
@@ -2046,6 +2051,14 @@
goto err;
}
+ if (display->driver->get_timings) {
+ display->driver->get_timings(display, timings);
+ } else {
+ timings->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+ timings->de_level = OMAPDSS_SIG_ACTIVE_HIGH;
+ timings->sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES;
+ }
+
timings->pixel_clock = PICOS2KHZ(var->pixclock);
timings->hbp = var->left_margin;
timings->hfp = var->right_margin;
@@ -2055,6 +2068,12 @@
timings->vsw = var->vsync_len;
timings->x_res = var->xres;
timings->y_res = var->yres;
+ timings->hsync_level = var->sync & FB_SYNC_HOR_HIGH_ACT ?
+ OMAPDSS_SIG_ACTIVE_HIGH :
+ OMAPDSS_SIG_ACTIVE_LOW;
+ timings->vsync_level = var->sync & FB_SYNC_VERT_HIGH_ACT ?
+ OMAPDSS_SIG_ACTIVE_HIGH :
+ OMAPDSS_SIG_ACTIVE_LOW;
switch (var->bits_per_pixel) {
case 16:
@@ -2085,7 +2104,7 @@
struct omap_video_timings timings, temp_timings;
struct omapfb_display_data *d;
- r = omapfb_mode_to_timings(mode_str, &timings, &bpp);
+ r = omapfb_mode_to_timings(mode_str, display, &timings, &bpp);
if (r)
return r;
@@ -2178,8 +2197,17 @@
}
static void fb_videomode_to_omap_timings(struct fb_videomode *m,
+ struct omap_dss_device *display,
struct omap_video_timings *t)
{
+ if (display->driver->get_timings) {
+ display->driver->get_timings(display, t);
+ } else {
+ t->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+ t->de_level = OMAPDSS_SIG_ACTIVE_HIGH;
+ t->sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES;
+ }
+
t->x_res = m->xres;
t->y_res = m->yres;
t->pixel_clock = PICOS2KHZ(m->pixclock);
@@ -2189,6 +2217,12 @@
t->vsw = m->vsync_len;
t->vfp = m->lower_margin;
t->vbp = m->upper_margin;
+ t->hsync_level = m->sync & FB_SYNC_HOR_HIGH_ACT ?
+ OMAPDSS_SIG_ACTIVE_HIGH :
+ OMAPDSS_SIG_ACTIVE_LOW;
+ t->vsync_level = m->sync & FB_SYNC_VERT_HIGH_ACT ?
+ OMAPDSS_SIG_ACTIVE_HIGH :
+ OMAPDSS_SIG_ACTIVE_LOW;
}
static int omapfb_find_best_mode(struct omap_dss_device *display,
@@ -2231,7 +2265,7 @@
if (m->xres == 2880 || m->xres == 1440)
continue;
- fb_videomode_to_omap_timings(m, &t);
+ fb_videomode_to_omap_timings(m, display, &t);
r = display->driver->check_timings(display, &t);
if (r == 0 && best_xres < m->xres) {
@@ -2245,7 +2279,8 @@
goto err2;
}
- fb_videomode_to_omap_timings(&specs->modedb[best_idx], timings);
+ fb_videomode_to_omap_timings(&specs->modedb[best_idx], display,
+ timings);
r = 0;