diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_connector.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c deleted file mode 100644 index c24b6b783e9a..000000000000 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * drivers/gpu/drm/omapdrm/omap_connector.c - * - * Copyright (C) 2011 Texas Instruments - * Author: Rob Clark <rob@ti.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <drm/drm_atomic_helper.h> -#include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> - -#include "omap_drv.h" - -/* - * connector funcs - */ - -#define to_omap_connector(x) container_of(x, struct omap_connector, base) - -struct omap_connector { - struct drm_connector base; - struct omap_dss_device *dssdev; - bool hdmi_mode; -}; - -bool omap_connector_get_hdmi_mode(struct drm_connector *connector) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - - return omap_connector->hdmi_mode; -} - -static enum drm_connector_status omap_connector_detect( - struct drm_connector *connector, bool force) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = omap_connector->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; - enum drm_connector_status ret; - - if (dssdrv->detect) { - if (dssdrv->detect(dssdev)) - ret = connector_status_connected; - else - ret = connector_status_disconnected; - } else if (dssdev->type == OMAP_DISPLAY_TYPE_DPI || - dssdev->type == OMAP_DISPLAY_TYPE_DBI || - dssdev->type == OMAP_DISPLAY_TYPE_SDI || - dssdev->type == OMAP_DISPLAY_TYPE_DSI) { - ret = connector_status_connected; - } else { - ret = connector_status_unknown; - } - - VERB("%s: %d (force=%d)", omap_connector->dssdev->name, ret, force); - - return ret; -} - -static void omap_connector_destroy(struct drm_connector *connector) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = omap_connector->dssdev; - - DBG("%s", omap_connector->dssdev->name); - drm_connector_unregister(connector); - drm_connector_cleanup(connector); - kfree(omap_connector); - - omap_dss_put_device(dssdev); -} - -#define MAX_EDID 512 - -static int omap_connector_get_modes(struct drm_connector *connector) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = omap_connector->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; - struct drm_device *dev = connector->dev; - int n = 0; - - DBG("%s", omap_connector->dssdev->name); - - /* if display exposes EDID, then we parse that in the normal way to - * build table of supported modes.. otherwise (ie. fixed resolution - * LCD panels) we just return a single mode corresponding to the - * currently configured timings: - */ - if (dssdrv->read_edid) { - void *edid = kzalloc(MAX_EDID, GFP_KERNEL); - - if ((dssdrv->read_edid(dssdev, edid, MAX_EDID) > 0) && - drm_edid_is_valid(edid)) { - drm_mode_connector_update_edid_property( - connector, edid); - n = drm_add_edid_modes(connector, edid); - - omap_connector->hdmi_mode = - drm_detect_hdmi_monitor(edid); - } else { - drm_mode_connector_update_edid_property( - connector, NULL); - } - - kfree(edid); - } else { - struct drm_display_mode *mode = drm_mode_create(dev); - struct videomode vm = {0}; - - dssdrv->get_timings(dssdev, &vm); - - drm_display_mode_from_videomode(&vm, mode); - - mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; - drm_mode_set_name(mode); - drm_mode_probed_add(connector, mode); - - n = 1; - } - - return n; -} - -static int omap_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = omap_connector->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; - struct videomode vm = {0}; - struct drm_device *dev = connector->dev; - struct drm_display_mode *new_mode; - int r, ret = MODE_BAD; - - drm_display_mode_to_videomode(mode, &vm); - mode->vrefresh = drm_mode_vrefresh(mode); - - /* - * if the panel driver doesn't have a check_timings, it's most likely - * a fixed resolution panel, check if the timings match with the - * panel's timings - */ - if (dssdrv->check_timings) { - r = dssdrv->check_timings(dssdev, &vm); - } else { - struct videomode t = {0}; - - dssdrv->get_timings(dssdev, &t); - - /* - * Ignore the flags, as we don't get them from - * drm_display_mode_to_videomode. - */ - t.flags = 0; - - if (memcmp(&vm, &t, sizeof(vm))) - r = -EINVAL; - else - r = 0; - } - - if (!r) { - /* check if vrefresh is still valid */ - new_mode = drm_mode_duplicate(dev, mode); - new_mode->clock = vm.pixelclock / 1000; - new_mode->vrefresh = 0; - if (mode->vrefresh == drm_mode_vrefresh(new_mode)) - ret = MODE_OK; - drm_mode_destroy(dev, new_mode); - } - - DBG("connector: mode %s: " - "%d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", - (ret == MODE_OK) ? "valid" : "invalid", - mode->base.id, mode->name, mode->vrefresh, mode->clock, - mode->hdisplay, mode->hsync_start, - mode->hsync_end, mode->htotal, - mode->vdisplay, mode->vsync_start, - mode->vsync_end, mode->vtotal, mode->type, mode->flags); - - return ret; -} - -static const struct drm_connector_funcs omap_connector_funcs = { - .dpms = drm_atomic_helper_connector_dpms, - .reset = drm_atomic_helper_connector_reset, - .detect = omap_connector_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = omap_connector_destroy, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - -static const struct drm_connector_helper_funcs omap_connector_helper_funcs = { - .get_modes = omap_connector_get_modes, - .mode_valid = omap_connector_mode_valid, -}; - -/* initialize connector */ -struct drm_connector *omap_connector_init(struct drm_device *dev, - int connector_type, struct omap_dss_device *dssdev, - struct drm_encoder *encoder) -{ - struct drm_connector *connector = NULL; - struct omap_connector *omap_connector; - - DBG("%s", dssdev->name); - - omap_dss_get_device(dssdev); - - omap_connector = kzalloc(sizeof(*omap_connector), GFP_KERNEL); - if (!omap_connector) - goto fail; - - omap_connector->dssdev = dssdev; - - connector = &omap_connector->base; - - drm_connector_init(dev, connector, &omap_connector_funcs, - connector_type); - drm_connector_helper_add(connector, &omap_connector_helper_funcs); - - if (dssdev->driver->detect) - connector->polled = DRM_CONNECTOR_POLL_CONNECT | - DRM_CONNECTOR_POLL_DISCONNECT; - else - connector->polled = 0; - - connector->interlace_allowed = 1; - connector->doublescan_allowed = 0; - - return connector; - -fail: - if (connector) - omap_connector_destroy(connector); - - return NULL; -} |