diff options
Diffstat (limited to 'drivers/video/omap2/dss/sdi.c')
-rw-r--r-- | drivers/video/omap2/dss/sdi.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c index 69d907f7df4a..856af2e89760 100644 --- a/drivers/video/omap2/dss/sdi.c +++ b/drivers/video/omap2/dss/sdi.c @@ -234,6 +234,26 @@ void omapdss_sdi_set_timings(struct omap_dss_device *dssdev, } EXPORT_SYMBOL(omapdss_sdi_set_timings); +static void sdi_get_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + *timings = sdi.timings; +} + +static int sdi_check_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + struct omap_overlay_manager *mgr = sdi.output.manager; + + if (mgr && !dispc_mgr_timings_ok(mgr->id, timings)) + return -EINVAL; + + if (timings->pixel_clock == 0) + return -EINVAL; + + return 0; +} + void omapdss_sdi_set_datapairs(struct omap_dss_device *dssdev, int datapairs) { sdi.datapairs = datapairs; @@ -333,6 +353,63 @@ static int sdi_probe_pdata(struct platform_device *sdidev) return 0; } +static int sdi_connect(struct omap_dss_device *dssdev, + struct omap_dss_device *dst) +{ + struct omap_overlay_manager *mgr; + int r; + + r = sdi_init_regulator(); + if (r) + return r; + + mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel); + if (!mgr) + return -ENODEV; + + r = dss_mgr_connect(mgr, dssdev); + if (r) + return r; + + r = omapdss_output_set_device(dssdev, dst); + if (r) { + DSSERR("failed to connect output to new device: %s\n", + dst->name); + dss_mgr_disconnect(mgr, dssdev); + return r; + } + + return 0; +} + +static void sdi_disconnect(struct omap_dss_device *dssdev, + struct omap_dss_device *dst) +{ + WARN_ON(dst != dssdev->device); + + if (dst != dssdev->device) + return; + + omapdss_output_unset_device(dssdev); + + if (dssdev->manager) + dss_mgr_disconnect(dssdev->manager, dssdev); +} + +static const struct omapdss_sdi_ops sdi_ops = { + .connect = sdi_connect, + .disconnect = sdi_disconnect, + + .enable = omapdss_sdi_display_enable, + .disable = omapdss_sdi_display_disable, + + .check_timings = sdi_check_timings, + .set_timings = omapdss_sdi_set_timings, + .get_timings = sdi_get_timings, + + .set_datapairs = omapdss_sdi_set_datapairs, +}; + static void sdi_init_output(struct platform_device *pdev) { struct omap_dss_device *out = &sdi.output; @@ -342,6 +419,7 @@ static void sdi_init_output(struct platform_device *pdev) out->output_type = OMAP_DISPLAY_TYPE_SDI; out->name = "sdi.0"; out->dispc_channel = OMAP_DSS_CHANNEL_LCD; + out->ops.sdi = &sdi_ops; out->owner = THIS_MODULE; omapdss_register_output(out); |