static ssize_t store_overlays(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct platform_device *pdev = to_platform_device(dev);
struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
int idx;
struct omap_overlay *ovl = NULL;
struct omap_overlay_manager *mgr;
int r;
char ovlname[10];
int posx, posy, outw, outh;
int enabled;
int alpha;
idx = 0;
while (idx < count && buf[idx] != ' ')
++idx;
if (idx == count)
return -EINVAL;
if (idx >= sizeof(ovlname))
return -EINVAL;
strncpy(ovlname, buf, idx);
ovlname[idx] = 0;
idx++;
omapfb_lock(fbdev);
ovl = find_overlay_by_name(fbdev, ovlname);
if (!ovl) {
dev_err(dev, "ovl not found\n");
r = -EINVAL;
goto err;
}
DBG("ovl %s found\n", ovl->name);
mgr = ovl->manager;
posx = ovl->info.pos_x;
posy = ovl->info.pos_y;
outw = ovl->info.out_width;
outh = ovl->info.out_height;
if (strcmp(ovl->name, "vid1") != 0)
alpha = ovl->info.global_alpha;
else
alpha = -1;
enabled = ovl->info.enabled;
while (idx < count) {
char c;
int val;
int len;
char sval[10];
r = sscanf(buf + idx, "%c:%d%n", &c, &val, &len);
if (r != 2) {
val = 0;
r = sscanf(buf + idx, "%c:%9s%n", &c, sval, &len);
if (r != 2) {
dev_err(dev, "sscanf failed, aborting\n");
r = -EINVAL;
goto err;
}
} else {
sval[0] = 0;
}
switch (c) {
case 't':
if (strcmp(sval, "none") == 0) {
mgr = NULL;
} else {
mgr = find_manager_by_name(fbdev, sval);
if (mgr == NULL) {
dev_err(dev, "no such manager\n");
r = -EINVAL;
goto err;
}
DBG("manager %s found\n", mgr->name);
}
break;
case 'x':
posx = val;
break;
case 'y':
posy = val;
break;
case 'w':
if (ovl->caps & OMAP_DSS_OVL_CAP_SCALE)
outw = val;
break;
case 'h':
if (ovl->caps & OMAP_DSS_OVL_CAP_SCALE)
outh = val;
break;
case 'a':
alpha = val & 0xff;
break;
case 'e':
enabled = val;
break;
default:
dev_err(dev, "unknown option %c\n", c);
r = -EINVAL;
goto err;
}
idx += len + 1;
}
if (strcmp(ovl->name, "vid1") != 0)
ovl->info.global_alpha = alpha;
r = ovl->setup_output(ovl, posx, posy, outw, outh);
if (r) {
dev_err(dev, "setup overlay failed\n");
goto err;
}
if (mgr != ovl->manager) {
/* detach old manager */
if (ovl->manager) {
r = ovl->unset_manager(ovl);
if (r) {
dev_err(dev, "detach failed\n");
goto err;
}
}
if (mgr) {
r = ovl->set_manager(ovl, mgr);
if (r) {
dev_err(dev, "Failed to attach overlay\n");
goto err;
}
}
}
r = ovl->enable(ovl, enabled);
if (r) {
dev_err(dev, "enable overlay failed\n");
goto err;
}
if (mgr) {
r = mgr->apply(mgr);
if (r) {
dev_err(dev, "failed to apply dispc config\n");
goto err;
}
} else {
ovl->enable(ovl, 0);
}
if (mgr && mgr->display && mgr->display->update) {
int w, h;
mgr->display->get_resolution(mgr->display, &w, &h);
mgr->display->update(mgr->display, 0, 0, w, h);
}
omapfb_unlock(fbdev);
return count;
err:
omapfb_unlock(fbdev);
return r;
}
static ssize_t store_managers(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct platform_device *pdev = to_platform_device(dev);
struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
struct omap_overlay_manager *mgr;
struct omap_display *display = NULL;
char displayname[10];
int r;
char *s, *tok;
char str[128];
struct omap_overlay_manager_info newinfo;
int apply = 0;
displayname[0] = '\0';
if (strlen(buf) > sizeof(str) - 1)
return -EINVAL;
strcpy(str, buf);
/* remove trailing linefeeds */
s = str + strlen(str) - 1;
while (s >= str && *s == '\n') {
*s = 0;
s--;
}
s = str;
if ((tok = strsep(&s, " ")) == 0)
return -EINVAL;
omapfb_lock(fbdev);
mgr = find_manager_by_name(fbdev, tok);
if (!mgr) {
dev_err(dev, "manager not found\n");
r = -EINVAL;
goto err;
}
newinfo = mgr->info;
while ((tok = strsep(&s, " "))) {
if (strncmp(tok, "t:", 2) == 0) {
r = sscanf(tok, "t:%9s", displayname);
if (r != 1) {
r = -EINVAL;
goto err;
}
} else if(strncmp(tok, "trans:", 6) == 0) {
newinfo.trans_enabled = simple_strtoul(tok+6, NULL, 0);
} else if(strncmp(tok, "type:", 5) == 0) {
newinfo.trans_key_type = simple_strtoul(tok+5, NULL, 0);
} else if(strncmp(tok, "key:", 4) == 0) {
newinfo.trans_key = simple_strtoul(tok+4, NULL, 0);
} else if(strncmp(tok, "alpha:", 6) == 0) {
newinfo.alpha_enabled = simple_strtoul(tok+6, NULL, 0);
} else {
dev_err(dev, "unknown option\n");
r = -EINVAL;
goto err;
}
}
if (memcmp(&newinfo, &mgr->info, sizeof(struct omap_overlay_manager_info)) != 0) {
mgr->info = newinfo;
mgr->info_dirty = 1;
apply = 1;
}
if (displayname[0] != '\0') {
if (strcmp(displayname, "none") == 0) {
display = NULL;
} else {
display = find_display_by_name(fbdev, displayname);
if (!display) {
dev_err(dev, "display not found: [%s]\n", displayname);
r = -EINVAL;
goto err;
}
}
if (mgr->display) {
r = mgr->unset_display(mgr);
if (r) {
dev_err(dev, "failed to unset display\n");
goto err;
}
}
if (display) {
r = mgr->set_display(mgr, display);
if (r) {
dev_err(dev, "failed to set manager\n");
goto err;
}
}
apply = 1;
}
if (apply) {
r = mgr->apply(mgr);
if (r) {
dev_err(dev, "failed to apply dispc config\n");
goto err;
}
}
omapfb_unlock(fbdev);
return count;
err:
omapfb_unlock(fbdev);
return r;
}
static ssize_t store_managers(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct platform_device *pdev = to_platform_device(dev);
struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
int idx;
struct omap_overlay_manager *mgr;
struct omap_display *display;
char mgrname[10];
char displayname[10];
int r;
idx = 0;
while (idx < count && buf[idx] != ' ')
++idx;
if (idx == count)
return -EINVAL;
if (idx >= sizeof(mgrname))
return -EINVAL;
strncpy(mgrname, buf, idx);
mgrname[idx] = 0;
idx++;
omapfb_lock(fbdev);
mgr = find_manager_by_name(fbdev, mgrname);
if (!mgr) {
dev_err(dev, "manager not found\n");
r = -EINVAL;
goto err;
}
r = sscanf(buf + idx, "t:%9s", displayname);
if (r != 1) {
r = -EINVAL;
goto err;
}
if (strcmp(displayname, "none") == 0) {
display = NULL;
} else {
display = find_display_by_name(fbdev, displayname);
if (!display) {
dev_err(dev, "display not found\n");
r = -EINVAL;
goto err;
}
}
if (mgr->display) {
r = mgr->unset_display(mgr);
if (r) {
dev_err(dev, "failed to unset display\n");
goto err;
}
}
if (display) {
r = mgr->set_display(mgr, display);
if (r) {
dev_err(dev, "failed to set manager\n");
goto err;
}
r = mgr->apply(mgr);
if (r) {
dev_err(dev, "failed to apply dispc config\n");
goto err;
}
}
omapfb_unlock(fbdev);
return count;
err:
omapfb_unlock(fbdev);
return r;
}
