1 files changed, 0 insertions, 677 deletions

diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
deleted file mode 100644
index 75642c22cac..00000000000
--- a/drivers/video/omap2/dss/overlay.c
+++ /dev/null
@@ -1,677 +0,0 @@
-/*
- * linux/drivers/video/omap2/dss/overlay.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 "OVERLAY"
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/err.h>
-#include <linux/sysfs.h>
-#include <linux/kobject.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-
-#include <plat/display.h>
-#include <plat/cpu.h>
-
-#include "dss.h"
-#include "dss_features.h"
-
-static int num_overlays;
-static struct list_head overlay_list;
-
-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;
-
-	/* detach old manager */
-	if (old_mgr) {
-		r = ovl->unset_manager(ovl);
-		if (r) {
-			DSSERR("detach failed\n");
-			return r;
-		}
-
-		r = old_mgr->apply(old_mgr);
-		if (r)
-			return r;
-	}
-
-	if (mgr) {
-		r = ovl->set_manager(ovl, mgr);
-		if (r) {
-			DSSERR("Failed to attach overlay\n");
-			return r;
-		}
-
-		r = mgr->apply(mgr);
-		if (r)
-			return r;
-	}
-
-	return size;
-}
-
-static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf)
-{
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
-			ovl->info.width, ovl->info.height);
-}
-
-static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf)
-{
-	return snprintf(buf, PAGE_SIZE, "%d\n", ovl->info.screen_width);
-}
-
-static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf)
-{
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
-			ovl->info.pos_x, ovl->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)
-{
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
-			ovl->info.out_width, ovl->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->info.enabled);
-}
-
-static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf,
-		size_t size)
-{
-	int r;
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	info.enabled = simple_strtoul(buf, NULL, 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_global_alpha_show(struct omap_overlay *ovl, char *buf)
-{
-	return snprintf(buf, PAGE_SIZE, "%d\n",
-			ovl->info.global_alpha);
-}
-
-static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl,
-		const char *buf, size_t size)
-{
-	int r;
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	/* Video1 plane does not support global alpha
-	 * to always make it 255 completely opaque
-	 */
-	if (!dss_has_feature(FEAT_GLOBAL_ALPHA_VID1) &&
-			ovl->id == OMAP_DSS_VIDEO1)
-		info.global_alpha = 255;
-	else
-		info.global_alpha = simple_strtoul(buf, NULL, 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;
-}
-
-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 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,
-	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,
-};
-
-/* Check if overlay parameters are compatible with display */
-int dss_check_overlay(struct omap_overlay *ovl, struct omap_dss_device *dssdev)
-{
-	struct omap_overlay_info *info;
-	u16 outw, outh;
-	u16 dw, dh;
-
-	if (!dssdev)
-		return 0;
-
-	if (!ovl->info.enabled)
-		return 0;
-
-	info = &ovl->info;
-
-	if (info->paddr == 0) {
-		DSSDBG("check_overlay failed: paddr 0\n");
-		return -EINVAL;
-	}
-
-	dssdev->driver->get_resolution(dssdev, &dw, &dh);
-
-	DSSDBG("check_overlay %d: (%d,%d %dx%d -> %dx%d) disp (%dx%d)\n",
-			ovl->id,
-			info->pos_x, info->pos_y,
-			info->width, info->height,
-			info->out_width, info->out_height,
-			dw, dh);
-
-	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
-		outw = info->width;
-		outh = info->height;
-	} else {
-		if (info->out_width == 0)
-			outw = info->width;
-		else
-			outw = info->out_width;
-
-		if (info->out_height == 0)
-			outh = info->height;
-		else
-			outh = info->out_height;
-	}
-
-	if (dw < info->pos_x + outw) {
-		DSSDBG("check_overlay failed 1: %d < %d + %d\n",
-				dw, info->pos_x, outw);
-		return -EINVAL;
-	}
-
-	if (dh < info->pos_y + outh) {
-		DSSDBG("check_overlay failed 2: %d < %d + %d\n",
-				dh, info->pos_y, outh);
-		return -EINVAL;
-	}
-
-	if ((ovl->supported_modes & info->color_mode) == 0) {
-		DSSERR("overlay doesn't support mode %d\n", info->color_mode);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int dss_ovl_set_overlay_info(struct omap_overlay *ovl,
-		struct omap_overlay_info *info)
-{
-	int r;
-	struct omap_overlay_info old_info;
-
-	old_info = ovl->info;
-	ovl->info = *info;
-
-	if (ovl->manager) {
-		r = dss_check_overlay(ovl, ovl->manager->device);
-		if (r) {
-			ovl->info = old_info;
-			return r;
-		}
-	}
-
-	ovl->info_dirty = true;
-
-	return 0;
-}
-
-static void dss_ovl_get_overlay_info(struct omap_overlay *ovl,
-		struct omap_overlay_info *info)
-{
-	*info = ovl->info;
-}
-
-static int dss_ovl_wait_for_go(struct omap_overlay *ovl)
-{
-	return dss_mgr_wait_for_go_ovl(ovl);
-}
-
-static int omap_dss_set_manager(struct omap_overlay *ovl,
-		struct omap_overlay_manager *mgr)
-{
-	if (!mgr)
-		return -EINVAL;
-
-	if (ovl->manager) {
-		DSSERR("overlay '%s' already has a manager '%s'\n",
-				ovl->name, ovl->manager->name);
-		return -EINVAL;
-	}
-
-	if (ovl->info.enabled) {
-		DSSERR("overlay has to be disabled to change the manager\n");
-		return -EINVAL;
-	}
-
-	ovl->manager = mgr;
-
-	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
-	/* XXX: on manual update display, in auto update mode, a bug happens
-	 * here. When an overlay is first enabled on LCD, then it's disabled,
-	 * and the manager is changed to TV, we sometimes get SYNC_LOST_DIGIT
-	 * errors. Waiting before changing the channel_out fixes it. I'm
-	 * guessing that the overlay is still somehow being used for the LCD,
-	 * but I don't understand how or why. */
-	msleep(40);
-	dispc_set_channel_out(ovl->id, mgr->id);
-	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
-
-	return 0;
-}
-
-static int omap_dss_unset_manager(struct omap_overlay *ovl)
-{
-	int r;
-
-	if (!ovl->manager) {
-		DSSERR("failed to detach overlay: manager not set\n");
-		return -EINVAL;
-	}
-
-	if (ovl->info.enabled) {
-		DSSERR("overlay has to be disabled to unset the manager\n");
-		return -EINVAL;
-	}
-
-	r = ovl->wait_for_go(ovl);
-	if (r)
-		return r;
-
-	ovl->manager = NULL;
-
-	return 0;
-}
-
-int omap_dss_get_num_overlays(void)
-{
-	return num_overlays;
-}
-EXPORT_SYMBOL(omap_dss_get_num_overlays);
-
-struct omap_overlay *omap_dss_get_overlay(int num)
-{
-	int i = 0;
-	struct omap_overlay *ovl;
-
-	list_for_each_entry(ovl, &overlay_list, list) {
-		if (i++ == num)
-			return ovl;
-	}
-
-	return NULL;
-}
-EXPORT_SYMBOL(omap_dss_get_overlay);
-
-static void omap_dss_add_overlay(struct omap_overlay *overlay)
-{
-	++num_overlays;
-	list_add_tail(&overlay->list, &overlay_list);
-}
-
-static struct omap_overlay *dispc_overlays[MAX_DSS_OVERLAYS];
-
-void dss_overlay_setup_dispc_manager(struct omap_overlay_manager *mgr)
-{
-	mgr->num_overlays = dss_feat_get_num_ovls();
-	mgr->overlays = dispc_overlays;
-}
-
-#ifdef L4_EXAMPLE
-static struct omap_overlay *l4_overlays[1];
-void dss_overlay_setup_l4_manager(struct omap_overlay_manager *mgr)
-{
-	mgr->num_overlays = 1;
-	mgr->overlays = l4_overlays;
-}
-#endif
-
-void dss_init_overlays(struct platform_device *pdev)
-{
-	int i, r;
-
-	INIT_LIST_HEAD(&overlay_list);
-
-	num_overlays = 0;
-
-	for (i = 0; i < dss_feat_get_num_ovls(); ++i) {
-		struct omap_overlay *ovl;
-		ovl = kzalloc(sizeof(*ovl), GFP_KERNEL);
-
-		BUG_ON(ovl == NULL);
-
-		switch (i) {
-		case 0:
-			ovl->name = "gfx";
-			ovl->id = OMAP_DSS_GFX;
-			ovl->caps = OMAP_DSS_OVL_CAP_DISPC;
-			ovl->info.global_alpha = 255;
-			break;
-		case 1:
-			ovl->name = "vid1";
-			ovl->id = OMAP_DSS_VIDEO1;
-			ovl->caps = OMAP_DSS_OVL_CAP_SCALE |
-				OMAP_DSS_OVL_CAP_DISPC;
-			ovl->info.global_alpha = 255;
-			break;
-		case 2:
-			ovl->name = "vid2";
-			ovl->id = OMAP_DSS_VIDEO2;
-			ovl->caps = OMAP_DSS_OVL_CAP_SCALE |
-				OMAP_DSS_OVL_CAP_DISPC;
-			ovl->info.global_alpha = 255;
-			break;
-		}
-
-		ovl->set_manager = &omap_dss_set_manager;
-		ovl->unset_manager = &omap_dss_unset_manager;
-		ovl->set_overlay_info = &dss_ovl_set_overlay_info;
-		ovl->get_overlay_info = &dss_ovl_get_overlay_info;
-		ovl->wait_for_go = &dss_ovl_wait_for_go;
-
-		ovl->supported_modes =
-			dss_feat_get_supported_color_modes(ovl->id);
-
-		omap_dss_add_overlay(ovl);
-
-		r = kobject_init_and_add(&ovl->kobj, &overlay_ktype,
-				&pdev->dev.kobj, "overlay%d", i);
-
-		if (r) {
-			DSSERR("failed to create sysfs file\n");
-			continue;
-		}
-
-		dispc_overlays[i] = ovl;
-	}
-
-#ifdef L4_EXAMPLE
-	{
-		struct omap_overlay *ovl;
-		ovl = kzalloc(sizeof(*ovl), GFP_KERNEL);
-
-		BUG_ON(ovl == NULL);
-
-		ovl->name = "l4";
-		ovl->supported_modes = OMAP_DSS_COLOR_RGB24U;
-
-		ovl->set_manager = &omap_dss_set_manager;
-		ovl->unset_manager = &omap_dss_unset_manager;
-		ovl->set_overlay_info = &dss_ovl_set_overlay_info;
-		ovl->get_overlay_info = &dss_ovl_get_overlay_info;
-
-		omap_dss_add_overlay(ovl);
-
-		r = kobject_init_and_add(&ovl->kobj, &overlay_ktype,
-				&pdev->dev.kobj, "overlayl4");
-
-		if (r)
-			DSSERR("failed to create sysfs file\n");
-
-		l4_overlays[0] = ovl;
-	}
-#endif
-}
-
-/* connect overlays to the new device, if not already connected. if force
- * selected, connect always. */
-void dss_recheck_connections(struct omap_dss_device *dssdev, bool force)
-{
-	int i;
-	struct omap_overlay_manager *lcd_mgr;
-	struct omap_overlay_manager *tv_mgr;
-	struct omap_overlay_manager *mgr = NULL;
-
-	lcd_mgr = omap_dss_get_overlay_manager(OMAP_DSS_OVL_MGR_LCD);
-	tv_mgr = omap_dss_get_overlay_manager(OMAP_DSS_OVL_MGR_TV);
-
-	if (dssdev->type != OMAP_DISPLAY_TYPE_VENC) {
-		if (!lcd_mgr->device || force) {
-			if (lcd_mgr->device)
-				lcd_mgr->unset_device(lcd_mgr);
-			lcd_mgr->set_device(lcd_mgr, dssdev);
-			mgr = lcd_mgr;
-		}
-	}
-
-	if (dssdev->type == OMAP_DISPLAY_TYPE_VENC) {
-		if (!tv_mgr->device || force) {
-			if (tv_mgr->device)
-				tv_mgr->unset_device(tv_mgr);
-			tv_mgr->set_device(tv_mgr, dssdev);
-			mgr = tv_mgr;
-		}
-	}
-
-	if (mgr) {
-		for (i = 0; i < dss_feat_get_num_ovls(); i++) {
-			struct omap_overlay *ovl;
-			ovl = omap_dss_get_overlay(i);
-			if (!ovl->manager || force) {
-				if (ovl->manager)
-					omap_dss_unset_manager(ovl);
-				omap_dss_set_manager(ovl, mgr);
-			}
-		}
-	}
-}
-
-void dss_uninit_overlays(struct platform_device *pdev)
-{
-	struct omap_overlay *ovl;
-
-	while (!list_empty(&overlay_list)) {
-		ovl = list_first_entry(&overlay_list,
-				struct omap_overlay, list);
-		list_del(&ovl->list);
-		kobject_del(&ovl->kobj);
-		kobject_put(&ovl->kobj);
-		kfree(ovl);
-	}
-
-	num_overlays = 0;
-}
-