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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.c133
1 files changed, 101 insertions, 32 deletions
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index 9c3daf71750c..2b8973931ff4 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -415,6 +415,7 @@ static const struct venc_config *venc_timings_to_config(
return &venc_config_ntsc_trm;
BUG();
+ return NULL;
}
static int venc_power_on(struct omap_dss_device *dssdev)
@@ -440,10 +441,11 @@ static int venc_power_on(struct omap_dss_device *dssdev)
venc_write_reg(VENC_OUTPUT_CONTROL, l);
- dispc_set_digit_size(dssdev->panel.timings.x_res,
- dssdev->panel.timings.y_res/2);
+ dss_mgr_set_timings(dssdev->manager, &dssdev->panel.timings);
- regulator_enable(venc.vdda_dac_reg);
+ r = regulator_enable(venc.vdda_dac_reg);
+ if (r)
+ goto err;
if (dssdev->platform_enable)
dssdev->platform_enable(dssdev);
@@ -485,16 +487,68 @@ 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)
+{
+ 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;
+ }
+
+ 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;
+
+ 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);
+ }
+ }
+
+ 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 0;
+ 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)
@@ -577,12 +631,6 @@ static int venc_panel_resume(struct omap_dss_device *dssdev)
return venc_panel_enable(dssdev);
}
-static void venc_get_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- *timings = dssdev->panel.timings;
-}
-
static void venc_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
@@ -597,6 +645,8 @@ static void venc_set_timings(struct omap_dss_device *dssdev,
/* turn the venc off and on to get new timings to use */
venc_panel_disable(dssdev);
venc_panel_enable(dssdev);
+ } else {
+ dss_mgr_set_timings(dssdev->manager, timings);
}
}
@@ -661,7 +711,6 @@ static struct omap_dss_driver venc_driver = {
.get_resolution = omapdss_default_get_resolution,
.get_recommended_bpp = omapdss_default_get_recommended_bpp,
- .get_timings = venc_get_timings,
.set_timings = venc_set_timings,
.check_timings = venc_check_timings,
@@ -675,7 +724,7 @@ static struct omap_dss_driver venc_driver = {
};
/* driver end */
-int venc_init_display(struct omap_dss_device *dssdev)
+static int __init venc_init_display(struct omap_dss_device *dssdev)
{
DSSDBG("init_display\n");
@@ -695,7 +744,7 @@ int venc_init_display(struct omap_dss_device *dssdev)
return 0;
}
-void venc_dump_regs(struct seq_file *s)
+static void venc_dump_regs(struct seq_file *s)
{
#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, venc_read_reg(r))
@@ -779,8 +828,32 @@ static void venc_put_clocks(void)
clk_put(venc.tv_dac_clk);
}
+static void __init venc_probe_pdata(struct platform_device *pdev)
+{
+ struct omap_dss_board_info *pdata = pdev->dev.platform_data;
+ int r, i;
+
+ for (i = 0; i < pdata->num_devices; ++i) {
+ struct omap_dss_device *dssdev = pdata->devices[i];
+
+ if (dssdev->type != OMAP_DISPLAY_TYPE_VENC)
+ continue;
+
+ r = venc_init_display(dssdev);
+ if (r) {
+ DSSERR("device %s init failed: %d\n", dssdev->name, r);
+ continue;
+ }
+
+ r = omap_dss_register_device(dssdev, &pdev->dev, i);
+ if (r)
+ DSSERR("device %s register failed: %d\n",
+ dssdev->name, r);
+ }
+}
+
/* VENC HW IP initialisation */
-static int omap_venchw_probe(struct platform_device *pdev)
+static int __init omap_venchw_probe(struct platform_device *pdev)
{
u8 rev_id;
struct resource *venc_mem;
@@ -824,6 +897,10 @@ static int omap_venchw_probe(struct platform_device *pdev)
if (r)
goto err_reg_panel_driver;
+ dss_debugfs_create_file("venc", venc_dump_regs);
+
+ venc_probe_pdata(pdev);
+
return 0;
err_reg_panel_driver:
@@ -833,12 +910,15 @@ err_runtime_get:
return r;
}
-static int omap_venchw_remove(struct platform_device *pdev)
+static int __exit omap_venchw_remove(struct platform_device *pdev)
{
+ omap_dss_unregister_child_devices(&pdev->dev);
+
if (venc.vdda_dac_reg != NULL) {
regulator_put(venc.vdda_dac_reg);
venc.vdda_dac_reg = NULL;
}
+
omap_dss_unregister_driver(&venc_driver);
pm_runtime_disable(&pdev->dev);
@@ -853,7 +933,6 @@ static int venc_runtime_suspend(struct device *dev)
clk_disable(venc.tv_dac_clk);
dispc_runtime_put();
- dss_runtime_put();
return 0;
}
@@ -862,23 +941,14 @@ static int venc_runtime_resume(struct device *dev)
{
int r;
- r = dss_runtime_get();
- if (r < 0)
- goto err_get_dss;
-
r = dispc_runtime_get();
if (r < 0)
- goto err_get_dispc;
+ return r;
if (venc.tv_dac_clk)
clk_enable(venc.tv_dac_clk);
return 0;
-
-err_get_dispc:
- dss_runtime_put();
-err_get_dss:
- return r;
}
static const struct dev_pm_ops venc_pm_ops = {
@@ -887,8 +957,7 @@ static const struct dev_pm_ops venc_pm_ops = {
};
static struct platform_driver omap_venchw_driver = {
- .probe = omap_venchw_probe,
- .remove = omap_venchw_remove,
+ .remove = __exit_p(omap_venchw_remove),
.driver = {
.name = "omapdss_venc",
.owner = THIS_MODULE,
@@ -896,18 +965,18 @@ static struct platform_driver omap_venchw_driver = {
},
};
-int venc_init_platform_driver(void)
+int __init venc_init_platform_driver(void)
{
if (cpu_is_omap44xx())
return 0;
- return platform_driver_register(&omap_venchw_driver);
+ return platform_driver_probe(&omap_venchw_driver, omap_venchw_probe);
}
-void venc_uninit_platform_driver(void)
+void __exit venc_uninit_platform_driver(void)
{
if (cpu_is_omap44xx())
return;
- return platform_driver_unregister(&omap_venchw_driver);
+ platform_driver_unregister(&omap_venchw_driver);
}