diff options
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/omap2/dss/dpi.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c index 5351d02e3064..6433eab6bcf2 100644 --- a/drivers/video/omap2/dss/dpi.c +++ b/drivers/video/omap2/dss/dpi.c @@ -461,6 +461,16 @@ void omapdss_dpi_set_timings(struct omap_dss_device *dssdev, } EXPORT_SYMBOL(omapdss_dpi_set_timings); +static void dpi_get_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + mutex_lock(&dpi.lock); + + *timings = dpi.timings; + + mutex_unlock(&dpi.lock); +} + int dpi_check_timings(struct omap_dss_device *dssdev, struct omap_video_timings *timings) { @@ -678,6 +688,65 @@ static int dpi_probe_pdata(struct platform_device *dpidev) return 0; } +static int dpi_connect(struct omap_dss_device *dssdev, + struct omap_dss_device *dst) +{ + struct omap_overlay_manager *mgr; + int r; + + r = dpi_init_regulator(); + if (r) + return r; + + dpi_init_pll(); + + 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 dpi_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_dpi_ops dpi_ops = { + .connect = dpi_connect, + .disconnect = dpi_disconnect, + + .enable = omapdss_dpi_display_enable, + .disable = omapdss_dpi_display_disable, + + .check_timings = dpi_check_timings, + .set_timings = omapdss_dpi_set_timings, + .get_timings = dpi_get_timings, + + .set_data_lines = omapdss_dpi_set_data_lines, +}; + static void dpi_init_output(struct platform_device *pdev) { struct omap_dss_device *out = &dpi.output; @@ -687,6 +756,7 @@ static void dpi_init_output(struct platform_device *pdev) out->output_type = OMAP_DISPLAY_TYPE_DPI; out->name = "dpi.0"; out->dispc_channel = dpi_get_channel(); + out->ops.dpi = &dpi_ops; out->owner = THIS_MODULE; omapdss_register_output(out); |