Release 4.11 drivers/video/fbdev/omap2/omapfb/dss/manager.c
/*
* linux/drivers/video/omap2/dss/manager.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 "MANAGER"
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/jiffies.h>
#include <video/omapfb_dss.h>
#include "dss.h"
#include "dss_features.h"
static int num_managers;
static struct omap_overlay_manager *managers;
int dss_init_overlay_managers(void)
{
int i;
num_managers = dss_feat_get_num_mgrs();
managers = kzalloc(sizeof(struct omap_overlay_manager) * num_managers,
GFP_KERNEL);
BUG_ON(managers == NULL);
for (i = 0; i < num_managers; ++i) {
struct omap_overlay_manager *mgr = &managers[i];
switch (i) {
case 0:
mgr->name = "lcd";
mgr->id = OMAP_DSS_CHANNEL_LCD;
break;
case 1:
mgr->name = "tv";
mgr->id = OMAP_DSS_CHANNEL_DIGIT;
break;
case 2:
mgr->name = "lcd2";
mgr->id = OMAP_DSS_CHANNEL_LCD2;
break;
case 3:
mgr->name = "lcd3";
mgr->id = OMAP_DSS_CHANNEL_LCD3;
break;
}
mgr->supported_displays =
dss_feat_get_supported_displays(mgr->id);
mgr->supported_outputs =
dss_feat_get_supported_outputs(mgr->id);
INIT_LIST_HEAD(&mgr->overlays);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 166 | 100.00% | 1 | 100.00% |
| Total | 166 | 100.00% | 1 | 100.00% |
int dss_init_overlay_managers_sysfs(struct platform_device *pdev)
{
int i, r;
for (i = 0; i < num_managers; ++i) {
struct omap_overlay_manager *mgr = &managers[i];
r = dss_manager_kobj_init(mgr, pdev);
if (r)
DSSERR("failed to create sysfs file\n");
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 62 | 100.00% | 1 | 100.00% |
| Total | 62 | 100.00% | 1 | 100.00% |
void dss_uninit_overlay_managers(void)
{
kfree(managers);
managers = NULL;
num_managers = 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
void dss_uninit_overlay_managers_sysfs(struct platform_device *pdev)
{
int i;
for (i = 0; i < num_managers; ++i) {
struct omap_overlay_manager *mgr = &managers[i];
dss_manager_kobj_uninit(mgr);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 44 | 100.00% | 1 | 100.00% |
| Total | 44 | 100.00% | 1 | 100.00% |
int omap_dss_get_num_overlay_managers(void)
{
return num_managers;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 10 | 100.00% | 1 | 100.00% |
| Total | 10 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(omap_dss_get_num_overlay_managers);
struct omap_overlay_manager *omap_dss_get_overlay_manager(int num)
{
if (num >= num_managers)
return NULL;
return &managers[num];
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(omap_dss_get_overlay_manager);
int dss_mgr_simple_check(struct omap_overlay_manager *mgr,
const struct omap_overlay_manager_info *info)
{
if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)) {
/*
* OMAP3 supports only graphics source transparency color key
* and alpha blending simultaneously. See TRM 15.4.2.4.2.2
* Alpha Mode.
*/
if (info->partial_alpha_enabled && info->trans_enabled
&& info->trans_key_type != OMAP_DSS_COLOR_KEY_GFX_DST) {
DSSERR("check_manager: illegal transparency key\n");
return -EINVAL;
}
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 56 | 100.00% | 1 | 100.00% |
| Total | 56 | 100.00% | 1 | 100.00% |
static int dss_mgr_check_zorder(struct omap_overlay_manager *mgr,
struct omap_overlay_info **overlay_infos)
{
struct omap_overlay *ovl1, *ovl2;
struct omap_overlay_info *info1, *info2;
list_for_each_entry(ovl1, &mgr->overlays, list) {
info1 = overlay_infos[ovl1->id];
if (info1 == NULL)
continue;
list_for_each_entry(ovl2, &mgr->overlays, list) {
if (ovl1 == ovl2)
continue;
info2 = overlay_infos[ovl2->id];
if (info2 == NULL)
continue;
if (info1->zorder == info2->zorder) {
DSSERR("overlays %d and %d have the same "
"zorder %d\n",
ovl1->id, ovl2->id, info1->zorder);
return -EINVAL;
}
}
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 129 | 100.00% | 1 | 100.00% |
| Total | 129 | 100.00% | 1 | 100.00% |
int dss_mgr_check_timings(struct omap_overlay_manager *mgr,
const struct omap_video_timings *timings)
{
if (!dispc_mgr_timings_ok(mgr->id, timings)) {
DSSERR("check_manager: invalid timings\n");
return -EINVAL;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 42 | 100.00% | 1 | 100.00% |
| Total | 42 | 100.00% | 1 | 100.00% |
static int dss_mgr_check_lcd_config(struct omap_overlay_manager *mgr,
const struct dss_lcd_mgr_config *config)
{
struct dispc_clock_info cinfo = config->clock_info;
int dl = config->video_port_width;
bool stallmode = config->stallmode;
bool fifohandcheck = config->fifohandcheck;
if (cinfo.lck_div < 1 || cinfo.lck_div > 255)
return -EINVAL;
if (cinfo.pck_div < 1 || cinfo.pck_div > 255)
return -EINVAL;
if (dl != 12 && dl != 16 && dl != 18 && dl != 24)
return -EINVAL;
/* fifohandcheck should be used only with stallmode */
if (!stallmode && fifohandcheck)
return -EINVAL;
/*
* io pad mode can be only checked by using dssdev connected to the
* manager. Ignore checking these for now, add checks when manager
* is capable of holding information related to the connected interface
*/
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 120 | 100.00% | 1 | 100.00% |
| Total | 120 | 100.00% | 1 | 100.00% |
int dss_mgr_check(struct omap_overlay_manager *mgr,
struct omap_overlay_manager_info *info,
const struct omap_video_timings *mgr_timings,
const struct dss_lcd_mgr_config *lcd_config,
struct omap_overlay_info **overlay_infos)
{
struct omap_overlay *ovl;
int r;
if (dss_has_feature(FEAT_ALPHA_FREE_ZORDER)) {
r = dss_mgr_check_zorder(mgr, overlay_infos);
if (r)
return r;
}
r = dss_mgr_check_timings(mgr, mgr_timings);
if (r)
return r;
r = dss_mgr_check_lcd_config(mgr, lcd_config);
if (r)
return r;
list_for_each_entry(ovl, &mgr->overlays, list) {
struct omap_overlay_info *oi;
int r;
oi = overlay_infos[ovl->id];
if (oi == NULL)
continue;
r = dss_ovl_check(ovl, oi, mgr_timings);
if (r)
return r;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 153 | 100.00% | 1 | 100.00% |
| Total | 153 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Tomi Valkeinen | 876 | 99.89% | 1 | 50.00% |
| Peter Ujfalusi | 1 | 0.11% | 1 | 50.00% |
| Total | 877 | 100.00% | 2 | 100.00% |
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