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Diffstat (limited to 'drivers/video/fbdev/omap2/dss/display.c')
-rw-r--r--drivers/video/fbdev/omap2/dss/display.c338
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 ef5b9027985d..000000000000
--- 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);