OMAP: DSS2: Add more core files
Add more core files to DSS2. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
This commit is contained in:
Tomi Valkeinen
680
drivers/video/omap2/dss/overlay.c
Normal file
680
drivers/video/omap2/dss/overlay.c
Normal file
@@ -0,0 +1,680 @@
|
||||
/*
|
||||
* 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 <plat/display.h>
|
||||
#include <plat/cpu.h>
|
||||
|
||||
#include "dss.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 (strncmp(buf, mgr->name, len) == 0)
|
||||
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 (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 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->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[3];
|
||||
|
||||
void dss_overlay_setup_dispc_manager(struct omap_overlay_manager *mgr)
|
||||
{
|
||||
mgr->num_overlays = 3;
|
||||
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 < 3; ++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->supported_modes = cpu_is_omap34xx() ?
|
||||
OMAP_DSS_COLOR_GFX_OMAP3 :
|
||||
OMAP_DSS_COLOR_GFX_OMAP2;
|
||||
ovl->caps = OMAP_DSS_OVL_CAP_DISPC;
|
||||
ovl->info.global_alpha = 255;
|
||||
break;
|
||||
case 1:
|
||||
ovl->name = "vid1";
|
||||
ovl->id = OMAP_DSS_VIDEO1;
|
||||
ovl->supported_modes = cpu_is_omap34xx() ?
|
||||
OMAP_DSS_COLOR_VID1_OMAP3 :
|
||||
OMAP_DSS_COLOR_VID_OMAP2;
|
||||
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->supported_modes = cpu_is_omap34xx() ?
|
||||
OMAP_DSS_COLOR_VID2_OMAP3 :
|
||||
OMAP_DSS_COLOR_VID_OMAP2;
|
||||
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;
|
||||
|
||||
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 < 3; 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;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user