X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Frcar-du%2Frcar_du_vgacon.c;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Frcar-du%2Frcar_du_vgacon.c;h=e0a5d8f939630a5d21319671f8a32981c4c09a6a;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c b/kernel/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c new file mode 100644 index 000000000..e0a5d8f93 --- /dev/null +++ b/kernel/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c @@ -0,0 +1,94 @@ +/* + * rcar_du_vgacon.c -- R-Car Display Unit VGA Connector + * + * Copyright (C) 2013-2014 Renesas Electronics Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include + +#include "rcar_du_drv.h" +#include "rcar_du_encoder.h" +#include "rcar_du_kms.h" +#include "rcar_du_vgacon.h" + +static int rcar_du_vga_connector_get_modes(struct drm_connector *connector) +{ + return 0; +} + +static const struct drm_connector_helper_funcs connector_helper_funcs = { + .get_modes = rcar_du_vga_connector_get_modes, + .best_encoder = rcar_du_connector_best_encoder, +}; + +static void rcar_du_vga_connector_destroy(struct drm_connector *connector) +{ + drm_connector_unregister(connector); + drm_connector_cleanup(connector); +} + +static enum drm_connector_status +rcar_du_vga_connector_detect(struct drm_connector *connector, bool force) +{ + return connector_status_connected; +} + +static const struct drm_connector_funcs connector_funcs = { + .dpms = drm_atomic_helper_connector_dpms, + .reset = drm_atomic_helper_connector_reset, + .detect = rcar_du_vga_connector_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = rcar_du_vga_connector_destroy, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, +}; + +int rcar_du_vga_connector_init(struct rcar_du_device *rcdu, + struct rcar_du_encoder *renc) +{ + struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc); + struct rcar_du_connector *rcon; + struct drm_connector *connector; + int ret; + + rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL); + if (rcon == NULL) + return -ENOMEM; + + connector = &rcon->connector; + connector->display_info.width_mm = 0; + connector->display_info.height_mm = 0; + connector->interlace_allowed = true; + + ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs, + DRM_MODE_CONNECTOR_VGA); + if (ret < 0) + return ret; + + drm_connector_helper_add(connector, &connector_helper_funcs); + ret = drm_connector_register(connector); + if (ret < 0) + return ret; + + connector->dpms = DRM_MODE_DPMS_OFF; + drm_object_property_set_value(&connector->base, + rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF); + + ret = drm_mode_connector_attach_encoder(connector, encoder); + if (ret < 0) + return ret; + + rcon->encoder = renc; + + return 0; +}