diff options
Diffstat (limited to 'drivers/video/fbdev/omap2/dss/overlay-sysfs.c')
-rw-r--r-- | drivers/video/fbdev/omap2/dss/overlay-sysfs.c | 456 |
1 files changed, 0 insertions, 456 deletions
diff --git a/drivers/video/fbdev/omap2/dss/overlay-sysfs.c b/drivers/video/fbdev/omap2/dss/overlay-sysfs.c deleted file mode 100644 index 4cc5ddebf..000000000 --- a/drivers/video/fbdev/omap2/dss/overlay-sysfs.c +++ /dev/null @@ -1,456 +0,0 @@ -/* - * 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 "OVERLAY" - -#include <linux/module.h> -#include <linux/err.h> -#include <linux/sysfs.h> -#include <linux/kobject.h> -#include <linux/platform_device.h> - -#include <video/omapdss.h> - -#include "dss.h" -#include "dss_features.h" - -static ssize_t overlay_name_show(struct omap_overlay *ovl, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", ovl->name); -} - -static ssize_t overlay_manager_show(struct omap_overlay *ovl, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", - ovl->manager ? ovl->manager->name : "<none>"); -} - -static ssize_t overlay_manager_store(struct omap_overlay *ovl, const char *buf, - size_t size) -{ - int i, r; - struct omap_overlay_manager *mgr = NULL; - struct omap_overlay_manager *old_mgr; - int len = size; - - if (buf[size-1] == '\n') - --len; - - if (len > 0) { - for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) { - mgr = omap_dss_get_overlay_manager(i); - - if (sysfs_streq(buf, mgr->name)) - break; - - mgr = NULL; - } - } - - if (len > 0 && mgr == NULL) - return -EINVAL; - - if (mgr) - DSSDBG("manager %s found\n", mgr->name); - - if (mgr == ovl->manager) - return size; - - old_mgr = ovl->manager; - - r = dispc_runtime_get(); - if (r) - return r; - - /* detach old manager */ - if (old_mgr) { - r = ovl->unset_manager(ovl); - if (r) { - DSSERR("detach failed\n"); - goto err; - } - - r = old_mgr->apply(old_mgr); - if (r) - goto err; - } - - if (mgr) { - r = ovl->set_manager(ovl, mgr); - if (r) { - DSSERR("Failed to attach overlay\n"); - goto err; - } - - r = mgr->apply(mgr); - if (r) - goto err; - } - - dispc_runtime_put(); - - return size; - -err: - dispc_runtime_put(); - return r; -} - -static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d,%d\n", - info.width, info.height); -} - -static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", info.screen_width); -} - -static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d,%d\n", - info.pos_x, info.pos_y); -} - -static ssize_t overlay_position_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - char *last; - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - info.pos_x = simple_strtoul(buf, &last, 10); - ++last; - if (last - buf >= size) - return -EINVAL; - - info.pos_y = simple_strtoul(last, &last, 10); - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -static ssize_t overlay_output_size_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d,%d\n", - info.out_width, info.out_height); -} - -static ssize_t overlay_output_size_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - char *last; - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - info.out_width = simple_strtoul(buf, &last, 10); - ++last; - if (last - buf >= size) - return -EINVAL; - - info.out_height = simple_strtoul(last, &last, 10); - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -static ssize_t overlay_enabled_show(struct omap_overlay *ovl, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", ovl->is_enabled(ovl)); -} - -static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf, - size_t size) -{ - int r; - bool enable; - - r = strtobool(buf, &enable); - if (r) - return r; - - if (enable) - r = ovl->enable(ovl); - else - r = ovl->disable(ovl); - - if (r) - return r; - - return size; -} - -static ssize_t overlay_global_alpha_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", - info.global_alpha); -} - -static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - u8 alpha; - struct omap_overlay_info info; - - if ((ovl->caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0) - return -ENODEV; - - r = kstrtou8(buf, 0, &alpha); - if (r) - return r; - - ovl->get_overlay_info(ovl, &info); - - info.global_alpha = alpha; - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -static ssize_t overlay_pre_mult_alpha_show(struct omap_overlay *ovl, - char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", - info.pre_mult_alpha); -} - -static ssize_t overlay_pre_mult_alpha_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - u8 alpha; - struct omap_overlay_info info; - - if ((ovl->caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0) - return -ENODEV; - - r = kstrtou8(buf, 0, &alpha); - if (r) - return r; - - ovl->get_overlay_info(ovl, &info); - - info.pre_mult_alpha = alpha; - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -static ssize_t overlay_zorder_show(struct omap_overlay *ovl, char *buf) -{ - struct omap_overlay_info info; - - ovl->get_overlay_info(ovl, &info); - - return snprintf(buf, PAGE_SIZE, "%d\n", info.zorder); -} - -static ssize_t overlay_zorder_store(struct omap_overlay *ovl, - const char *buf, size_t size) -{ - int r; - u8 zorder; - struct omap_overlay_info info; - - if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0) - return -ENODEV; - - r = kstrtou8(buf, 0, &zorder); - if (r) - return r; - - ovl->get_overlay_info(ovl, &info); - - info.zorder = zorder; - - r = ovl->set_overlay_info(ovl, &info); - if (r) - return r; - - if (ovl->manager) { - r = ovl->manager->apply(ovl->manager); - if (r) - return r; - } - - return size; -} - -struct overlay_attribute { - struct attribute attr; - ssize_t (*show)(struct omap_overlay *, char *); - ssize_t (*store)(struct omap_overlay *, const char *, size_t); -}; - -#define OVERLAY_ATTR(_name, _mode, _show, _store) \ - struct overlay_attribute overlay_attr_##_name = \ - __ATTR(_name, _mode, _show, _store) - -static OVERLAY_ATTR(name, S_IRUGO, overlay_name_show, NULL); -static OVERLAY_ATTR(manager, S_IRUGO|S_IWUSR, - overlay_manager_show, overlay_manager_store); -static OVERLAY_ATTR(input_size, S_IRUGO, overlay_input_size_show, NULL); -static OVERLAY_ATTR(screen_width, S_IRUGO, overlay_screen_width_show, NULL); -static OVERLAY_ATTR(position, S_IRUGO|S_IWUSR, - overlay_position_show, overlay_position_store); -static OVERLAY_ATTR(output_size, S_IRUGO|S_IWUSR, - overlay_output_size_show, overlay_output_size_store); -static OVERLAY_ATTR(enabled, S_IRUGO|S_IWUSR, - overlay_enabled_show, overlay_enabled_store); -static OVERLAY_ATTR(global_alpha, S_IRUGO|S_IWUSR, - overlay_global_alpha_show, overlay_global_alpha_store); -static OVERLAY_ATTR(pre_mult_alpha, S_IRUGO|S_IWUSR, - overlay_pre_mult_alpha_show, - overlay_pre_mult_alpha_store); -static OVERLAY_ATTR(zorder, S_IRUGO|S_IWUSR, - overlay_zorder_show, overlay_zorder_store); - -static struct attribute *overlay_sysfs_attrs[] = { - &overlay_attr_name.attr, - &overlay_attr_manager.attr, - &overlay_attr_input_size.attr, - &overlay_attr_screen_width.attr, - &overlay_attr_position.attr, - &overlay_attr_output_size.attr, - &overlay_attr_enabled.attr, - &overlay_attr_global_alpha.attr, - &overlay_attr_pre_mult_alpha.attr, - &overlay_attr_zorder.attr, - NULL -}; - -static ssize_t overlay_attr_show(struct kobject *kobj, struct attribute *attr, - char *buf) -{ - struct omap_overlay *overlay; - struct overlay_attribute *overlay_attr; - - overlay = container_of(kobj, struct omap_overlay, kobj); - overlay_attr = container_of(attr, struct overlay_attribute, attr); - - if (!overlay_attr->show) - return -ENOENT; - - return overlay_attr->show(overlay, buf); -} - -static ssize_t overlay_attr_store(struct kobject *kobj, struct attribute *attr, - const char *buf, size_t size) -{ - struct omap_overlay *overlay; - struct overlay_attribute *overlay_attr; - - overlay = container_of(kobj, struct omap_overlay, kobj); - overlay_attr = container_of(attr, struct overlay_attribute, attr); - - if (!overlay_attr->store) - return -ENOENT; - - return overlay_attr->store(overlay, buf, size); -} - -static const struct sysfs_ops overlay_sysfs_ops = { - .show = overlay_attr_show, - .store = overlay_attr_store, -}; - -static struct kobj_type overlay_ktype = { - .sysfs_ops = &overlay_sysfs_ops, - .default_attrs = overlay_sysfs_attrs, -}; - -int dss_overlay_kobj_init(struct omap_overlay *ovl, - struct platform_device *pdev) -{ - return kobject_init_and_add(&ovl->kobj, &overlay_ktype, - &pdev->dev.kobj, "overlay%d", ovl->id); -} - -void dss_overlay_kobj_uninit(struct omap_overlay *ovl) -{ - kobject_del(&ovl->kobj); - kobject_put(&ovl->kobj); -} |