static void dss_uninit_connections(struct omap_dss_device *dssdev)
{
if (dssdev->output) {
struct omap_overlay_manager *mgr = dssdev->output->manager;
if (mgr)
mgr->unset_output(mgr);
omapdss_output_unset_device(dssdev->output);
}
}
static void hdmi_disconnect(struct omap_dss_device *dssdev,
struct omap_dss_device *dst)
{
WARN_ON(dst != dssdev->dst);
if (dst != dssdev->dst)
return;
omapdss_output_unset_device(dssdev);
if (dssdev->manager)
dss_mgr_disconnect(dssdev->manager, dssdev);
}
/*
* Connect dssdev to a manager if the manager is free or if force is specified.
* Connect all overlays to that manager if they are free or if force is
* specified.
*/
static int dss_init_connections(struct omap_dss_device *dssdev, bool force)
{
struct omap_dss_output *out;
struct omap_overlay_manager *mgr;
int i, r;
out = omapdss_get_output_from_dssdev(dssdev);
WARN_ON(dssdev->output);
WARN_ON(out->device);
r = omapdss_output_set_device(out, dssdev);
if (r) {
DSSERR("failed to connect output to new device\n");
return r;
}
mgr = omap_dss_get_overlay_manager(dssdev->channel);
if (mgr->output && !force)
return 0;
if (mgr->output)
mgr->unset_output(mgr);
r = mgr->set_output(mgr, out);
if (r) {
DSSERR("failed to connect manager to output of new device\n");
/* remove the output-device connection we just made */
omapdss_output_unset_device(out);
return r;
}
for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
struct omap_overlay *ovl = omap_dss_get_overlay(i);
if (!ovl->manager || force) {
if (ovl->manager)
ovl->unset_manager(ovl);
r = ovl->set_manager(ovl, mgr);
if (r) {
DSSERR("failed to set initial overlay\n");
return r;
}
}
}
return 0;
}
static void sdi_disconnect(struct omap_dss_device *dssdev,
struct omap_dss_device *dst)
{
struct sdi_device *sdi = dssdev_to_sdi(dssdev);
WARN_ON(dst != dssdev->dst);
if (dst != dssdev->dst)
return;
omapdss_output_unset_device(dssdev);
dss_mgr_disconnect(&sdi->output, dssdev);
}
static void __init hdmi_probe_pdata(struct platform_device *pdev)
{
struct omap_dss_device *plat_dssdev;
struct omap_dss_device *dssdev;
struct omap_dss_hdmi_data *priv;
int r;
plat_dssdev = hdmi_find_dssdev(pdev);
if (!plat_dssdev)
return;
dssdev = dss_alloc_and_init_device(&pdev->dev);
if (!dssdev)
return;
dss_copy_device_pdata(dssdev, plat_dssdev);
priv = dssdev->data;
hdmi.ct_cp_hpd_gpio = priv->ct_cp_hpd_gpio;
hdmi.ls_oe_gpio = priv->ls_oe_gpio;
hdmi.hpd_gpio = priv->hpd_gpio;
dssdev->channel = OMAP_DSS_CHANNEL_DIGIT;
r = hdmi_init_display(dssdev);
if (r) {
DSSERR("device %s init failed: %d\n", dssdev->name, r);
dss_put_device(dssdev);
return;
}
r = omapdss_output_set_device(&hdmi.output, dssdev);
if (r) {
DSSERR("failed to connect output to new device: %s\n",
dssdev->name);
dss_put_device(dssdev);
return;
}
r = dss_add_device(dssdev);
if (r) {
DSSERR("device %s register failed: %d\n", dssdev->name, r);
omapdss_output_unset_device(&hdmi.output);
hdmi_uninit_display(dssdev);
dss_put_device(dssdev);
return;
}
}
static void hdmi_disconnect(struct omap_dss_device *dssdev,
struct omap_dss_device *dst)
{
enum omap_channel channel = dssdev->dispc_channel;
WARN_ON(dst != dssdev->dst);
if (dst != dssdev->dst)
return;
omapdss_output_unset_device(dssdev);
dss_mgr_disconnect(channel, dssdev);
}
static int dpi_probe_pdata(struct platform_device *dpidev)
{
struct omap_dss_device *plat_dssdev;
struct omap_dss_device *dssdev;
int r;
plat_dssdev = dpi_find_dssdev(dpidev);
if (!plat_dssdev)
return 0;
dssdev = dss_alloc_and_init_device(&dpidev->dev);
if (!dssdev)
return -ENOMEM;
dss_copy_device_pdata(dssdev, plat_dssdev);
r = dpi_init_display(dssdev);
if (r) {
DSSERR("device %s init failed: %d\n", dssdev->name, r);
dss_put_device(dssdev);
return r;
}
r = omapdss_output_set_device(&dpi.output, dssdev);
if (r) {
DSSERR("failed to connect output to new device: %s\n",
dssdev->name);
dss_put_device(dssdev);
return r;
}
r = dss_add_device(dssdev);
if (r) {
DSSERR("device %s register failed: %d\n", dssdev->name, r);
omapdss_output_unset_device(&dpi.output);
dss_put_device(dssdev);
return r;
}
return 0;
}
