1 files changed, 53 insertions, 155 deletions

diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index 3a220877461a..ffca542a2242 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -427,6 +427,10 @@ static int venc_power_on(struct omap_dss_device *dssdev)
 	u32 l;
 	int r;
 
+	r = venc_runtime_get();
+	if (r)
+		goto err0;
+
 	venc_reset();
 	venc_write_config(venc_timings_to_config(&dssdev->panel.timings));
 
@@ -449,26 +453,22 @@ static int venc_power_on(struct omap_dss_device *dssdev)
 
 	r = regulator_enable(venc.vdda_dac_reg);
 	if (r)
-		goto err;
-
-	if (dssdev->platform_enable)
-		dssdev->platform_enable(dssdev);
+		goto err1;
 
 	r = dss_mgr_enable(dssdev->manager);
 	if (r)
-		goto err;
+		goto err2;
 
 	return 0;
 
-err:
+err2:
+	regulator_disable(venc.vdda_dac_reg);
+err1:
 	venc_write_reg(VENC_OUTPUT_CONTROL, 0);
 	dss_set_dac_pwrdn_bgz(0);
 
-	if (dssdev->platform_disable)
-		dssdev->platform_disable(dssdev);
-
-	regulator_disable(venc.vdda_dac_reg);
-
+	venc_runtime_put();
+err0:
 	return r;
 }
 
@@ -479,10 +479,9 @@ static void venc_power_off(struct omap_dss_device *dssdev)
 
 	dss_mgr_disable(dssdev->manager);
 
-	if (dssdev->platform_disable)
-		dssdev->platform_disable(dssdev);
-
 	regulator_disable(venc.vdda_dac_reg);
+
+	venc_runtime_put();
 }
 
 unsigned long venc_get_pixel_clock(void)
@@ -491,171 +490,95 @@ unsigned long venc_get_pixel_clock(void)
 	return 13500000;
 }
 
-static ssize_t display_output_type_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
+int omapdss_venc_display_enable(struct omap_dss_device *dssdev)
 {
-	struct omap_dss_device *dssdev = to_dss_device(dev);
-	const char *ret;
-
-	switch (dssdev->phy.venc.type) {
-	case OMAP_DSS_VENC_TYPE_COMPOSITE:
-		ret = "composite";
-		break;
-	case OMAP_DSS_VENC_TYPE_SVIDEO:
-		ret = "svideo";
-		break;
-	default:
-		return -EINVAL;
-	}
+	int r;
 
-	return snprintf(buf, PAGE_SIZE, "%s\n", ret);
-}
-
-static ssize_t display_output_type_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t size)
-{
-	struct omap_dss_device *dssdev = to_dss_device(dev);
-	enum omap_dss_venc_type new_type;
-
-	if (sysfs_streq("composite", buf))
-		new_type = OMAP_DSS_VENC_TYPE_COMPOSITE;
-	else if (sysfs_streq("svideo", buf))
-		new_type = OMAP_DSS_VENC_TYPE_SVIDEO;
-	else
-		return -EINVAL;
+	DSSDBG("venc_display_enable\n");
 
 	mutex_lock(&venc.venc_lock);
 
-	if (dssdev->phy.venc.type != new_type) {
-		dssdev->phy.venc.type = new_type;
-		if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
-			venc_power_off(dssdev);
-			venc_power_on(dssdev);
-		}
+	if (dssdev->manager == NULL) {
+		DSSERR("Failed to enable display: no manager\n");
+		r = -ENODEV;
+		goto err0;
 	}
 
-	mutex_unlock(&venc.venc_lock);
-
-	return size;
-}
-
-static DEVICE_ATTR(output_type, S_IRUGO | S_IWUSR,
-		display_output_type_show, display_output_type_store);
-
-/* driver */
-static int venc_panel_probe(struct omap_dss_device *dssdev)
-{
-	dssdev->panel.timings = omap_dss_pal_timings;
-
-	return device_create_file(&dssdev->dev, &dev_attr_output_type);
-}
-
-static void venc_panel_remove(struct omap_dss_device *dssdev)
-{
-	device_remove_file(&dssdev->dev, &dev_attr_output_type);
-}
-
-static int venc_panel_enable(struct omap_dss_device *dssdev)
-{
-	int r = 0;
-
-	DSSDBG("venc_enable_display\n");
-
-	mutex_lock(&venc.venc_lock);
-
 	r = omap_dss_start_device(dssdev);
 	if (r) {
 		DSSERR("failed to start device\n");
 		goto err0;
 	}
 
-	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
-		r = -EINVAL;
-		goto err1;
-	}
+	if (dssdev->platform_enable)
+		dssdev->platform_enable(dssdev);
 
-	r = venc_runtime_get();
-	if (r)
-		goto err1;
 
 	r = venc_power_on(dssdev);
 	if (r)
-		goto err2;
+		goto err1;
 
 	venc.wss_data = 0;
 
-	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
 	mutex_unlock(&venc.venc_lock);
+
 	return 0;
-err2:
-	venc_runtime_put();
 err1:
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
 	omap_dss_stop_device(dssdev);
 err0:
 	mutex_unlock(&venc.venc_lock);
-
 	return r;
 }
 
-static void venc_panel_disable(struct omap_dss_device *dssdev)
+void omapdss_venc_display_disable(struct omap_dss_device *dssdev)
 {
-	DSSDBG("venc_disable_display\n");
+	DSSDBG("venc_display_disable\n");
 
 	mutex_lock(&venc.venc_lock);
 
-	if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED)
-		goto end;
-
-	if (dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) {
-		/* suspended is the same as disabled with venc */
-		dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-		goto end;
-	}
-
 	venc_power_off(dssdev);
 
-	venc_runtime_put();
-
-	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
 	omap_dss_stop_device(dssdev);
-end:
-	mutex_unlock(&venc.venc_lock);
-}
 
-static int venc_panel_suspend(struct omap_dss_device *dssdev)
-{
-	venc_panel_disable(dssdev);
-	return 0;
-}
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
 
-static int venc_panel_resume(struct omap_dss_device *dssdev)
-{
-	return venc_panel_enable(dssdev);
+	mutex_unlock(&venc.venc_lock);
 }
 
-static void venc_set_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
+void omapdss_venc_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
 {
 	DSSDBG("venc_set_timings\n");
 
+	mutex_lock(&venc.venc_lock);
+
 	/* Reset WSS data when the TV standard changes. */
 	if (memcmp(&dssdev->panel.timings, timings, sizeof(*timings)))
 		venc.wss_data = 0;
 
 	dssdev->panel.timings = *timings;
+
 	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+		int r;
+
 		/* turn the venc off and on to get new timings to use */
-		venc_panel_disable(dssdev);
-		venc_panel_enable(dssdev);
+		venc_power_off(dssdev);
+
+		r = venc_power_on(dssdev);
+		if (r)
+			DSSERR("failed to power on VENC\n");
 	} else {
 		dss_mgr_set_timings(dssdev->manager, timings);
 	}
+
+	mutex_unlock(&venc.venc_lock);
 }
 
-static int venc_check_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
+int omapdss_venc_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
 {
 	DSSDBG("venc_check_timings\n");
 
@@ -668,13 +591,13 @@ static int venc_check_timings(struct omap_dss_device *dssdev,
 	return -EINVAL;
 }
 
-static u32 venc_get_wss(struct omap_dss_device *dssdev)
+u32 omapdss_venc_get_wss(struct omap_dss_device *dssdev)
 {
 	/* Invert due to VENC_L21_WC_CTL:INV=1 */
 	return (venc.wss_data >> 8) ^ 0xfffff;
 }
 
-static int venc_set_wss(struct omap_dss_device *dssdev,	u32 wss)
+int omapdss_venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
 {
 	const struct venc_config *config;
 	int r;
@@ -703,31 +626,6 @@ err:
 	return r;
 }
 
-static struct omap_dss_driver venc_driver = {
-	.probe		= venc_panel_probe,
-	.remove		= venc_panel_remove,
-
-	.enable		= venc_panel_enable,
-	.disable	= venc_panel_disable,
-	.suspend	= venc_panel_suspend,
-	.resume		= venc_panel_resume,
-
-	.get_resolution	= omapdss_default_get_resolution,
-	.get_recommended_bpp = omapdss_default_get_recommended_bpp,
-
-	.set_timings	= venc_set_timings,
-	.check_timings	= venc_check_timings,
-
-	.get_wss	= venc_get_wss,
-	.set_wss	= venc_set_wss,
-
-	.driver         = {
-		.name   = "venc",
-		.owner  = THIS_MODULE,
-	},
-};
-/* driver end */
-
 static int __init venc_init_display(struct omap_dss_device *dssdev)
 {
 	DSSDBG("init_display\n");
@@ -897,9 +795,9 @@ static int __init omap_venchw_probe(struct platform_device *pdev)
 
 	venc_runtime_put();
 
-	r = omap_dss_register_driver(&venc_driver);
+	r = venc_panel_init();
 	if (r)
-		goto err_reg_panel_driver;
+		goto err_panel_init;
 
 	dss_debugfs_create_file("venc", venc_dump_regs);
 
@@ -907,7 +805,7 @@ static int __init omap_venchw_probe(struct platform_device *pdev)
 
 	return 0;
 
-err_reg_panel_driver:
+err_panel_init:
 err_runtime_get:
 	pm_runtime_disable(&pdev->dev);
 	venc_put_clocks();
@@ -923,7 +821,7 @@ static int __exit omap_venchw_remove(struct platform_device *pdev)
 		venc.vdda_dac_reg = NULL;
 	}
 
-	omap_dss_unregister_driver(&venc_driver);
+	venc_panel_exit();
 
 	pm_runtime_disable(&pdev->dev);
 	venc_put_clocks();