diff options
Diffstat (limited to 'drivers/video/omap2/dss/display.c')
| -rw-r--r-- | drivers/video/omap2/dss/display.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c deleted file mode 100644 index 0aa8ad8f966..00000000000 --- a/drivers/video/omap2/dss/display.c +++ /dev/null @@ -1,221 +0,0 @@ -/* - * linux/drivers/video/omap2/dss/display.c - * - * Copyright (C) 2009 Nokia Corporation - * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> - * - * Some code and ideas taken from drivers/video/omap/ driver - * by Imre Deak. - * - * 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/>. - */ - -#define DSS_SUBSYS_NAME "DISPLAY" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/jiffies.h> -#include <linux/platform_device.h> - -#include <video/omapdss.h> -#include "dss.h" -#include "dss_features.h" - -void omapdss_default_get_resolution(struct omap_dss_device *dssdev, - u16 *xres, u16 *yres) -{ - *xres = dssdev->panel.timings.x_res; - *yres = dssdev->panel.timings.y_res; -} -EXPORT_SYMBOL(omapdss_default_get_resolution); - -int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev) -{ - switch (dssdev->type) { - case OMAP_DISPLAY_TYPE_DPI: - if (dssdev->phy.dpi.data_lines == 24) - return 24; - else - return 16; - - case OMAP_DISPLAY_TYPE_DBI: - if (dssdev->ctrl.pixel_size == 24) - return 24; - else - return 16; - case OMAP_DISPLAY_TYPE_DSI: - if (dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) > 16) - return 24; - else - return 16; - case OMAP_DISPLAY_TYPE_VENC: - case OMAP_DISPLAY_TYPE_SDI: - case OMAP_DISPLAY_TYPE_HDMI: - return 24; - default: - BUG(); - return 0; - } -} -EXPORT_SYMBOL(omapdss_default_get_recommended_bpp); - -void omapdss_default_get_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings) -{ - *timings = dssdev->panel.timings; -} -EXPORT_SYMBOL(omapdss_default_get_timings); - -static int dss_suspend_device(struct device *dev, void *data) -{ - struct omap_dss_device *dssdev = to_dss_device(dev); - - if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) { - dssdev->activate_after_resume = false; - return 0; - } - - dssdev->driver->disable(dssdev); - - dssdev->activate_after_resume = true; - - return 0; -} - -int dss_suspend_all_devices(void) -{ - int r; - struct bus_type *bus = dss_get_bus(); - - r = bus_for_each_dev(bus, NULL, NULL, dss_suspend_device); - if (r) { - /* resume all displays that were suspended */ - dss_resume_all_devices(); - return r; - } - - return 0; -} - -static int dss_resume_device(struct device *dev, void *data) -{ - int r; - struct omap_dss_device *dssdev = to_dss_device(dev); - - if (dssdev->activate_after_resume) { - r = dssdev->driver->enable(dssdev); - if (r) - return r; - } - - dssdev->activate_after_resume = false; - - return 0; -} - -int dss_resume_all_devices(void) -{ - struct bus_type *bus = dss_get_bus(); - - return bus_for_each_dev(bus, NULL, NULL, dss_resume_device); -} - -static int dss_disable_device(struct device *dev, void *data) -{ - struct omap_dss_device *dssdev = to_dss_device(dev); - - if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) - dssdev->driver->disable(dssdev); - - return 0; -} - -void dss_disable_all_devices(void) -{ - struct bus_type *bus = dss_get_bus(); - bus_for_each_dev(bus, NULL, NULL, dss_disable_device); -} - - -void omap_dss_get_device(struct omap_dss_device *dssdev) -{ - get_device(&dssdev->dev); -} -EXPORT_SYMBOL(omap_dss_get_device); - -void omap_dss_put_device(struct omap_dss_device *dssdev) -{ - put_device(&dssdev->dev); -} -EXPORT_SYMBOL(omap_dss_put_device); - -/* ref count of the found device is incremented. ref count - * of from-device is decremented. */ -struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from) -{ - struct device *dev; - struct device *dev_start = NULL; - struct omap_dss_device *dssdev = NULL; - - int match(struct device *dev, void *data) - { - return 1; - } - - if (from) - dev_start = &from->dev; - dev = bus_find_device(dss_get_bus(), dev_start, NULL, match); - if (dev) - dssdev = to_dss_device(dev); - if (from) - put_device(&from->dev); - - return dssdev; -} -EXPORT_SYMBOL(omap_dss_get_next_device); - -struct omap_dss_device *omap_dss_find_device(void *data, - int (*match)(struct omap_dss_device *dssdev, void *data)) -{ - struct omap_dss_device *dssdev = NULL; - - while ((dssdev = omap_dss_get_next_device(dssdev)) != NULL) { - if (match(dssdev, data)) - return dssdev; - } - - return NULL; -} -EXPORT_SYMBOL(omap_dss_find_device); - -int omap_dss_start_device(struct omap_dss_device *dssdev) -{ - if (!dssdev->driver) { - DSSDBG("no driver\n"); - return -ENODEV; - } - - if (!try_module_get(dssdev->dev.driver->owner)) { - return -ENODEV; - } - - return 0; -} -EXPORT_SYMBOL(omap_dss_start_device); - -void omap_dss_stop_device(struct omap_dss_device *dssdev) -{ - module_put(dssdev->dev.driver->owner); -} -EXPORT_SYMBOL(omap_dss_stop_device); - |