diff options
Diffstat (limited to 'drivers/video/fbdev/omap2/dss/display.c')
-rw-r--r-- | drivers/video/fbdev/omap2/dss/display.c | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/drivers/video/fbdev/omap2/dss/display.c b/drivers/video/fbdev/omap2/dss/display.c deleted file mode 100644 index ef5b90279..000000000 --- a/drivers/video/fbdev/omap2/dss/display.c +++ /dev/null @@ -1,338 +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 <linux/of.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: - case OMAP_DISPLAY_TYPE_DVI: - 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); - -int dss_suspend_all_devices(void) -{ - struct omap_dss_device *dssdev = NULL; - - for_each_dss_dev(dssdev) { - if (!dssdev->driver) - continue; - - if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) { - dssdev->driver->disable(dssdev); - dssdev->activate_after_resume = true; - } else { - dssdev->activate_after_resume = false; - } - } - - return 0; -} - -int dss_resume_all_devices(void) -{ - struct omap_dss_device *dssdev = NULL; - - for_each_dss_dev(dssdev) { - if (!dssdev->driver) - continue; - - if (dssdev->activate_after_resume) { - dssdev->driver->enable(dssdev); - dssdev->activate_after_resume = false; - } - } - - return 0; -} - -void dss_disable_all_devices(void) -{ - struct omap_dss_device *dssdev = NULL; - - for_each_dss_dev(dssdev) { - if (!dssdev->driver) - continue; - - if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) - dssdev->driver->disable(dssdev); - } -} - -static LIST_HEAD(panel_list); -static DEFINE_MUTEX(panel_list_mutex); -static int disp_num_counter; - -int omapdss_register_display(struct omap_dss_device *dssdev) -{ - struct omap_dss_driver *drv = dssdev->driver; - int id; - - /* - * Note: this presumes all the displays are either using DT or non-DT, - * which normally should be the case. This also presumes that all - * displays either have an DT alias, or none has. - */ - - if (dssdev->dev->of_node) { - id = of_alias_get_id(dssdev->dev->of_node, "display"); - - if (id < 0) - id = disp_num_counter++; - } else { - id = disp_num_counter++; - } - - snprintf(dssdev->alias, sizeof(dssdev->alias), "display%d", id); - - /* Use 'label' property for name, if it exists */ - if (dssdev->dev->of_node) - of_property_read_string(dssdev->dev->of_node, "label", - &dssdev->name); - - if (dssdev->name == NULL) - dssdev->name = dssdev->alias; - - if (drv && drv->get_resolution == NULL) - drv->get_resolution = omapdss_default_get_resolution; - if (drv && drv->get_recommended_bpp == NULL) - drv->get_recommended_bpp = omapdss_default_get_recommended_bpp; - if (drv && drv->get_timings == NULL) - drv->get_timings = omapdss_default_get_timings; - - mutex_lock(&panel_list_mutex); - list_add_tail(&dssdev->panel_list, &panel_list); - mutex_unlock(&panel_list_mutex); - return 0; -} -EXPORT_SYMBOL(omapdss_register_display); - -void omapdss_unregister_display(struct omap_dss_device *dssdev) -{ - mutex_lock(&panel_list_mutex); - list_del(&dssdev->panel_list); - mutex_unlock(&panel_list_mutex); -} -EXPORT_SYMBOL(omapdss_unregister_display); - -struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev) -{ - if (!try_module_get(dssdev->owner)) - return NULL; - - if (get_device(dssdev->dev) == NULL) { - module_put(dssdev->owner); - return NULL; - } - - return dssdev; -} -EXPORT_SYMBOL(omap_dss_get_device); - -void omap_dss_put_device(struct omap_dss_device *dssdev) -{ - put_device(dssdev->dev); - module_put(dssdev->owner); -} -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 list_head *l; - struct omap_dss_device *dssdev; - - mutex_lock(&panel_list_mutex); - - if (list_empty(&panel_list)) { - dssdev = NULL; - goto out; - } - - if (from == NULL) { - dssdev = list_first_entry(&panel_list, struct omap_dss_device, - panel_list); - omap_dss_get_device(dssdev); - goto out; - } - - omap_dss_put_device(from); - - list_for_each(l, &panel_list) { - dssdev = list_entry(l, struct omap_dss_device, panel_list); - if (dssdev == from) { - if (list_is_last(l, &panel_list)) { - dssdev = NULL; - goto out; - } - - dssdev = list_entry(l->next, struct omap_dss_device, - panel_list); - omap_dss_get_device(dssdev); - goto out; - } - } - - WARN(1, "'from' dssdev not found\n"); - - dssdev = NULL; -out: - mutex_unlock(&panel_list_mutex); - 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); - -void videomode_to_omap_video_timings(const struct videomode *vm, - struct omap_video_timings *ovt) -{ - memset(ovt, 0, sizeof(*ovt)); - - ovt->pixelclock = vm->pixelclock; - ovt->x_res = vm->hactive; - ovt->hbp = vm->hback_porch; - ovt->hfp = vm->hfront_porch; - ovt->hsw = vm->hsync_len; - ovt->y_res = vm->vactive; - ovt->vbp = vm->vback_porch; - ovt->vfp = vm->vfront_porch; - ovt->vsw = vm->vsync_len; - - ovt->vsync_level = vm->flags & DISPLAY_FLAGS_VSYNC_HIGH ? - OMAPDSS_SIG_ACTIVE_HIGH : - OMAPDSS_SIG_ACTIVE_LOW; - ovt->hsync_level = vm->flags & DISPLAY_FLAGS_HSYNC_HIGH ? - OMAPDSS_SIG_ACTIVE_HIGH : - OMAPDSS_SIG_ACTIVE_LOW; - ovt->de_level = vm->flags & DISPLAY_FLAGS_DE_HIGH ? - OMAPDSS_SIG_ACTIVE_HIGH : - OMAPDSS_SIG_ACTIVE_LOW; - ovt->data_pclk_edge = vm->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE ? - OMAPDSS_DRIVE_SIG_RISING_EDGE : - OMAPDSS_DRIVE_SIG_FALLING_EDGE; - - ovt->sync_pclk_edge = ovt->data_pclk_edge; -} -EXPORT_SYMBOL(videomode_to_omap_video_timings); - -void omap_video_timings_to_videomode(const struct omap_video_timings *ovt, - struct videomode *vm) -{ - memset(vm, 0, sizeof(*vm)); - - vm->pixelclock = ovt->pixelclock; - - vm->hactive = ovt->x_res; - vm->hback_porch = ovt->hbp; - vm->hfront_porch = ovt->hfp; - vm->hsync_len = ovt->hsw; - vm->vactive = ovt->y_res; - vm->vback_porch = ovt->vbp; - vm->vfront_porch = ovt->vfp; - vm->vsync_len = ovt->vsw; - - if (ovt->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH) - vm->flags |= DISPLAY_FLAGS_HSYNC_HIGH; - else - vm->flags |= DISPLAY_FLAGS_HSYNC_LOW; - - if (ovt->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH) - vm->flags |= DISPLAY_FLAGS_VSYNC_HIGH; - else - vm->flags |= DISPLAY_FLAGS_VSYNC_LOW; - - if (ovt->de_level == OMAPDSS_SIG_ACTIVE_HIGH) - vm->flags |= DISPLAY_FLAGS_DE_HIGH; - else - vm->flags |= DISPLAY_FLAGS_DE_LOW; - - if (ovt->data_pclk_edge == OMAPDSS_DRIVE_SIG_RISING_EDGE) - vm->flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE; - else - vm->flags |= DISPLAY_FLAGS_PIXDATA_NEGEDGE; -} -EXPORT_SYMBOL(omap_video_timings_to_videomode); |