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path: root/drivers/video/omap2/dss/venc.c
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Diffstat (limited to 'drivers/video/omap2/dss/venc.c')
-rw-r--r--drivers/video/omap2/dss/venc.c296
1 files changed, 127 insertions, 169 deletions
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index 749a5a0..f0ba573 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -400,114 +400,6 @@ static const struct venc_config *venc_timings_to_config(
BUG();
}
-
-
-
-
-/* driver */
-static int venc_panel_probe(struct omap_dss_device *dssdev)
-{
- dssdev->panel.timings = omap_dss_pal_timings;
-
- return 0;
-}
-
-static void venc_panel_remove(struct omap_dss_device *dssdev)
-{
-}
-
-static int venc_panel_enable(struct omap_dss_device *dssdev)
-{
- int r = 0;
-
- /* wait couple of vsyncs until enabling the LCD */
- msleep(50);
-
- if (dssdev->platform_enable)
- r = dssdev->platform_enable(dssdev);
-
- return r;
-}
-
-static void venc_panel_disable(struct omap_dss_device *dssdev)
-{
- if (dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
-
- /* wait at least 5 vsyncs after disabling the LCD */
-
- msleep(100);
-}
-
-static int venc_panel_suspend(struct omap_dss_device *dssdev)
-{
- venc_panel_disable(dssdev);
- return 0;
-}
-
-static int venc_panel_resume(struct omap_dss_device *dssdev)
-{
- return venc_panel_enable(dssdev);
-}
-
-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,
-
- .driver = {
- .name = "venc",
- .owner = THIS_MODULE,
- },
-};
-/* driver end */
-
-
-
-int venc_init(struct platform_device *pdev)
-{
- u8 rev_id;
-
- mutex_init(&venc.venc_lock);
-
- venc.wss_data = 0;
-
- venc.base = ioremap(VENC_BASE, SZ_1K);
- if (!venc.base) {
- DSSERR("can't ioremap VENC\n");
- return -ENOMEM;
- }
-
- venc.vdda_dac_reg = regulator_get(&pdev->dev, "vdda_dac");
- if (IS_ERR(venc.vdda_dac_reg)) {
- iounmap(venc.base);
- DSSERR("can't get VDDA_DAC regulator\n");
- return PTR_ERR(venc.vdda_dac_reg);
- }
-
- venc_enable_clocks(1);
-
- rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
- printk(KERN_INFO "OMAP VENC rev %d\n", rev_id);
-
- venc_enable_clocks(0);
-
- return omap_dss_register_driver(&venc_driver);
-}
-
-void venc_exit(void)
-{
- omap_dss_unregister_driver(&venc_driver);
-
- regulator_put(venc.vdda_dac_reg);
-
- iounmap(venc.base);
-}
-
static void venc_power_on(struct omap_dss_device *dssdev)
{
u32 l;
@@ -540,7 +432,7 @@ static void venc_power_on(struct omap_dss_device *dssdev)
if (dssdev->platform_enable)
dssdev->platform_enable(dssdev);
- dispc_enable_digit_out(1);
+ dssdev->manager->enable(dssdev->manager);
}
static void venc_power_off(struct omap_dss_device *dssdev)
@@ -548,7 +440,7 @@ static void venc_power_off(struct omap_dss_device *dssdev)
venc_write_reg(VENC_OUTPUT_CONTROL, 0);
dss_set_dac_pwrdn_bgz(0);
- dispc_enable_digit_out(0);
+ dssdev->manager->disable(dssdev->manager);
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
@@ -558,7 +450,23 @@ static void venc_power_off(struct omap_dss_device *dssdev)
venc_enable_clocks(0);
}
-static int venc_enable_display(struct omap_dss_device *dssdev)
+
+
+
+
+/* driver */
+static int venc_panel_probe(struct omap_dss_device *dssdev)
+{
+ dssdev->panel.timings = omap_dss_pal_timings;
+
+ return 0;
+}
+
+static void venc_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int venc_panel_enable(struct omap_dss_device *dssdev)
{
int r = 0;
@@ -568,7 +476,13 @@ static int venc_enable_display(struct omap_dss_device *dssdev)
if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
r = -EINVAL;
- goto err;
+ goto err1;
+ }
+
+ if (dssdev->platform_enable) {
+ r = dssdev->platform_enable(dssdev);
+ if (r)
+ goto err2;
}
venc_power_on(dssdev);
@@ -576,13 +490,21 @@ static int venc_enable_display(struct omap_dss_device *dssdev)
venc.wss_data = 0;
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-err:
+
+ /* wait couple of vsyncs until enabling the LCD */
+ msleep(50);
+
mutex_unlock(&venc.venc_lock);
return r;
+err2:
+ venc_power_off(dssdev);
+err1:
+ mutex_unlock(&venc.venc_lock);
+ return r;
}
-static void venc_disable_display(struct omap_dss_device *dssdev)
+static void venc_panel_disable(struct omap_dss_device *dssdev)
{
DSSDBG("venc_disable_display\n");
@@ -599,53 +521,40 @@ static void venc_disable_display(struct omap_dss_device *dssdev)
venc_power_off(dssdev);
+ /* wait at least 5 vsyncs after disabling the LCD */
+ msleep(100);
+
+ if (dssdev->platform_disable)
+ dssdev->platform_disable(dssdev);
+
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
end:
mutex_unlock(&venc.venc_lock);
}
-static int venc_display_suspend(struct omap_dss_device *dssdev)
+static int venc_panel_suspend(struct omap_dss_device *dssdev)
{
- int r = 0;
-
- DSSDBG("venc_display_suspend\n");
-
- mutex_lock(&venc.venc_lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
- r = -EINVAL;
- goto err;
- }
-
- venc_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-err:
- mutex_unlock(&venc.venc_lock);
-
- return r;
+ venc_panel_disable(dssdev);
+ return 0;
}
-static int venc_display_resume(struct omap_dss_device *dssdev)
+static int venc_panel_resume(struct omap_dss_device *dssdev)
{
- int r = 0;
-
- DSSDBG("venc_display_resume\n");
-
- mutex_lock(&venc.venc_lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
- r = -EINVAL;
- goto err;
- }
-
- venc_power_on(dssdev);
+ return venc_panel_enable(dssdev);
+}
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-err:
- mutex_unlock(&venc.venc_lock);
+static enum omap_dss_update_mode venc_get_update_mode(
+ struct omap_dss_device *dssdev)
+{
+ return OMAP_DSS_UPDATE_AUTO;
+}
- return r;
+static int venc_set_update_mode(struct omap_dss_device *dssdev,
+ enum omap_dss_update_mode mode)
+{
+ if (mode != OMAP_DSS_UPDATE_AUTO)
+ return -EINVAL;
+ return 0;
}
static void venc_get_timings(struct omap_dss_device *dssdev,
@@ -666,8 +575,8 @@ static void venc_set_timings(struct omap_dss_device *dssdev,
dssdev->panel.timings = *timings;
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
/* turn the venc off and on to get new timings to use */
- venc_disable_display(dssdev);
- venc_enable_display(dssdev);
+ venc_panel_disable(dssdev);
+ venc_panel_enable(dssdev);
}
}
@@ -716,30 +625,79 @@ static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
return 0;
}
-static enum omap_dss_update_mode venc_display_get_update_mode(
- struct omap_dss_device *dssdev)
+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_update_mode = venc_set_update_mode,
+ .get_update_mode = venc_get_update_mode,
+
+ .get_timings = venc_get_timings,
+ .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 */
+
+
+
+int venc_init(struct platform_device *pdev)
{
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return OMAP_DSS_UPDATE_AUTO;
- else
- return OMAP_DSS_UPDATE_DISABLED;
+ u8 rev_id;
+
+ mutex_init(&venc.venc_lock);
+
+ venc.wss_data = 0;
+
+ venc.base = ioremap(VENC_BASE, SZ_1K);
+ if (!venc.base) {
+ DSSERR("can't ioremap VENC\n");
+ return -ENOMEM;
+ }
+
+ venc.vdda_dac_reg = dss_get_vdda_dac();
+ if (IS_ERR(venc.vdda_dac_reg)) {
+ iounmap(venc.base);
+ DSSERR("can't get VDDA_DAC regulator\n");
+ return PTR_ERR(venc.vdda_dac_reg);
+ }
+
+ venc_enable_clocks(1);
+
+ rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
+ printk(KERN_INFO "OMAP VENC rev %d\n", rev_id);
+
+ venc_enable_clocks(0);
+
+ return omap_dss_register_driver(&venc_driver);
+}
+
+void venc_exit(void)
+{
+ omap_dss_unregister_driver(&venc_driver);
+
+ iounmap(venc.base);
}
int venc_init_display(struct omap_dss_device *dssdev)
{
DSSDBG("init_display\n");
- dssdev->enable = venc_enable_display;
- dssdev->disable = venc_disable_display;
- dssdev->suspend = venc_display_suspend;
- dssdev->resume = venc_display_resume;
- dssdev->get_timings = venc_get_timings;
- dssdev->set_timings = venc_set_timings;
- dssdev->check_timings = venc_check_timings;
- dssdev->get_wss = venc_get_wss;
- dssdev->set_wss = venc_set_wss;
- dssdev->get_update_mode = venc_display_get_update_mode;
-
return 0;
}