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path: root/drivers/video/omap2/dss/sdi.c
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Diffstat (limited to 'drivers/video/omap2/dss/sdi.c')
-rw-r--r--drivers/video/omap2/dss/sdi.c75
1 files changed, 4 insertions, 71 deletions
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index 6bd9b0cf76a8..929ceb3ddd9d 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -41,7 +41,7 @@ static void sdi_basic_init(void)
dispc_lcd_enable_signal_polarity(1);
}
-static int sdi_display_enable(struct omap_dss_device *dssdev)
+int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
{
struct omap_video_timings *t = &dssdev->panel.timings;
struct dss_clock_info dss_cinfo;
@@ -57,12 +57,6 @@ static int sdi_display_enable(struct omap_dss_device *dssdev)
goto err0;
}
- if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
- DSSERR("dssdev already enabled\n");
- r = -EINVAL;
- goto err1;
- }
-
/* In case of skip_init sdi_init has already enabled the clocks */
if (!sdi.skip_init)
dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
@@ -127,8 +121,6 @@ static int sdi_display_enable(struct omap_dss_device *dssdev)
goto err3;
}
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
sdi.skip_init = 0;
return 0;
@@ -141,18 +133,10 @@ err1:
err0:
return r;
}
+EXPORT_SYMBOL(omapdss_sdi_display_enable);
-static int sdi_display_resume(struct omap_dss_device *dssdev);
-
-static void sdi_display_disable(struct omap_dss_device *dssdev)
+void omapdss_sdi_display_disable(struct omap_dss_device *dssdev)
{
- if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED)
- return;
-
- if (dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
- if (sdi_display_resume(dssdev))
- return;
-
if (dssdev->driver->disable)
dssdev->driver->disable(dssdev);
@@ -162,56 +146,9 @@ static void sdi_display_disable(struct omap_dss_device *dssdev)
dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
omap_dss_stop_device(dssdev);
}
-
-static int sdi_display_suspend(struct omap_dss_device *dssdev)
-{
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return -EINVAL;
-
- if (dssdev->driver->suspend)
- dssdev->driver->suspend(dssdev);
-
- dssdev->manager->disable(dssdev->manager);
-
- dss_sdi_disable();
-
- dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-
- return 0;
-}
-
-static int sdi_display_resume(struct omap_dss_device *dssdev)
-{
- int r;
-
- if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED)
- return -EINVAL;
-
- dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
-
- r = dss_sdi_enable();
- if (r)
- goto err;
- mdelay(2);
-
- dssdev->manager->enable(dssdev->manager);
-
- if (dssdev->driver->resume)
- dssdev->driver->resume(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
-err:
- dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
- return r;
-}
+EXPORT_SYMBOL(omapdss_sdi_display_disable);
static void sdi_get_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
@@ -223,10 +160,6 @@ int sdi_init_display(struct omap_dss_device *dssdev)
{
DSSDBG("SDI init\n");
- dssdev->enable = sdi_display_enable;
- dssdev->disable = sdi_display_disable;
- dssdev->suspend = sdi_display_suspend;
- dssdev->resume = sdi_display_resume;
dssdev->get_timings = sdi_get_timings;
return 0;