2 * Copyright (C) 2009 Nokia Corporation
3 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
5 * Some code and ideas taken from drivers/video/omap/ driver
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published by
10 * the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program. If not, see <http://www.gnu.org/licenses/>.
21 #define DSS_SUBSYS_NAME "MANAGER"
23 #include <linux/kernel.h>
24 #include <linux/slab.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/jiffies.h>
29 #include <video/omapdss.h>
32 #include "dss_features.h"
34 static ssize_t manager_name_show(struct omap_overlay_manager *mgr, char *buf)
36 return snprintf(buf, PAGE_SIZE, "%s\n", mgr->name);
39 static ssize_t manager_display_show(struct omap_overlay_manager *mgr, char *buf)
41 struct omap_dss_device *dssdev = mgr->get_device(mgr);
43 return snprintf(buf, PAGE_SIZE, "%s\n", dssdev ?
44 dssdev->name : "<none>");
47 static ssize_t manager_display_store(struct omap_overlay_manager *mgr,
48 const char *buf, size_t size)
52 struct omap_dss_device *dssdev = NULL;
53 struct omap_dss_device *old_dssdev;
55 int match(struct omap_dss_device *dssdev, void *data)
57 const char *str = data;
58 return sysfs_streq(dssdev->name, str);
61 if (buf[size-1] == '\n')
65 dssdev = omap_dss_find_device((void *)buf, match);
67 if (len > 0 && dssdev == NULL)
71 DSSDBG("display %s found\n", dssdev->name);
73 if (omapdss_device_is_connected(dssdev)) {
74 DSSERR("new display is already connected\n");
79 if (omapdss_device_is_enabled(dssdev)) {
80 DSSERR("new display is not disabled\n");
86 old_dssdev = mgr->get_device(mgr);
88 if (omapdss_device_is_enabled(old_dssdev)) {
89 DSSERR("old display is not disabled\n");
94 old_dssdev->driver->disconnect(old_dssdev);
98 r = dssdev->driver->connect(dssdev);
100 DSSERR("failed to connect new device\n");
104 old_dssdev = mgr->get_device(mgr);
105 if (old_dssdev != dssdev) {
106 DSSERR("failed to connect device to this manager\n");
107 dssdev->driver->disconnect(dssdev);
113 DSSERR("failed to apply dispc config\n");
120 omap_dss_put_device(dssdev);
125 static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr,
128 struct omap_overlay_manager_info info;
130 mgr->get_manager_info(mgr, &info);
132 return snprintf(buf, PAGE_SIZE, "%#x\n", info.default_color);
135 static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
136 const char *buf, size_t size)
138 struct omap_overlay_manager_info info;
142 r = kstrtouint(buf, 0, &color);
146 mgr->get_manager_info(mgr, &info);
148 info.default_color = color;
150 r = mgr->set_manager_info(mgr, &info);
161 static const char *trans_key_type_str[] = {
166 static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr,
169 enum omap_dss_trans_key_type key_type;
170 struct omap_overlay_manager_info info;
172 mgr->get_manager_info(mgr, &info);
174 key_type = info.trans_key_type;
175 BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str));
177 return snprintf(buf, PAGE_SIZE, "%s\n", trans_key_type_str[key_type]);
180 static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
181 const char *buf, size_t size)
183 enum omap_dss_trans_key_type key_type;
184 struct omap_overlay_manager_info info;
187 for (key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
188 key_type < ARRAY_SIZE(trans_key_type_str); key_type++) {
189 if (sysfs_streq(buf, trans_key_type_str[key_type]))
193 if (key_type == ARRAY_SIZE(trans_key_type_str))
196 mgr->get_manager_info(mgr, &info);
198 info.trans_key_type = key_type;
200 r = mgr->set_manager_info(mgr, &info);
211 static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr,
214 struct omap_overlay_manager_info info;
216 mgr->get_manager_info(mgr, &info);
218 return snprintf(buf, PAGE_SIZE, "%#x\n", info.trans_key);
221 static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
222 const char *buf, size_t size)
224 struct omap_overlay_manager_info info;
228 r = kstrtouint(buf, 0, &key_value);
232 mgr->get_manager_info(mgr, &info);
234 info.trans_key = key_value;
236 r = mgr->set_manager_info(mgr, &info);
247 static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr,
250 struct omap_overlay_manager_info info;
252 mgr->get_manager_info(mgr, &info);
254 return snprintf(buf, PAGE_SIZE, "%d\n", info.trans_enabled);
257 static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
258 const char *buf, size_t size)
260 struct omap_overlay_manager_info info;
264 r = strtobool(buf, &enable);
268 mgr->get_manager_info(mgr, &info);
270 info.trans_enabled = enable;
272 r = mgr->set_manager_info(mgr, &info);
283 static ssize_t manager_alpha_blending_enabled_show(
284 struct omap_overlay_manager *mgr, char *buf)
286 struct omap_overlay_manager_info info;
288 if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
291 mgr->get_manager_info(mgr, &info);
293 return snprintf(buf, PAGE_SIZE, "%d\n",
294 info.partial_alpha_enabled);
297 static ssize_t manager_alpha_blending_enabled_store(
298 struct omap_overlay_manager *mgr,
299 const char *buf, size_t size)
301 struct omap_overlay_manager_info info;
305 if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
308 r = strtobool(buf, &enable);
312 mgr->get_manager_info(mgr, &info);
314 info.partial_alpha_enabled = enable;
316 r = mgr->set_manager_info(mgr, &info);
327 static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr,
330 struct omap_overlay_manager_info info;
332 mgr->get_manager_info(mgr, &info);
334 return snprintf(buf, PAGE_SIZE, "%d\n", info.cpr_enable);
337 static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
338 const char *buf, size_t size)
340 struct omap_overlay_manager_info info;
344 if (!dss_has_feature(FEAT_CPR))
347 r = strtobool(buf, &enable);
351 mgr->get_manager_info(mgr, &info);
353 if (info.cpr_enable == enable)
356 info.cpr_enable = enable;
358 r = mgr->set_manager_info(mgr, &info);
369 static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr,
372 struct omap_overlay_manager_info info;
374 mgr->get_manager_info(mgr, &info);
376 return snprintf(buf, PAGE_SIZE,
377 "%d %d %d %d %d %d %d %d %d\n",
389 static ssize_t manager_cpr_coef_store(struct omap_overlay_manager *mgr,
390 const char *buf, size_t size)
392 struct omap_overlay_manager_info info;
393 struct omap_dss_cpr_coefs coefs;
397 if (!dss_has_feature(FEAT_CPR))
400 if (sscanf(buf, "%hd %hd %hd %hd %hd %hd %hd %hd %hd",
401 &coefs.rr, &coefs.rg, &coefs.rb,
402 &coefs.gr, &coefs.gg, &coefs.gb,
403 &coefs.br, &coefs.bg, &coefs.bb) != 9)
406 arr = (s16[]){ coefs.rr, coefs.rg, coefs.rb,
407 coefs.gr, coefs.gg, coefs.gb,
408 coefs.br, coefs.bg, coefs.bb };
410 for (i = 0; i < 9; ++i) {
411 if (arr[i] < -512 || arr[i] > 511)
415 mgr->get_manager_info(mgr, &info);
417 info.cpr_coefs = coefs;
419 r = mgr->set_manager_info(mgr, &info);
430 struct manager_attribute {
431 struct attribute attr;
432 ssize_t (*show)(struct omap_overlay_manager *, char *);
433 ssize_t (*store)(struct omap_overlay_manager *, const char *, size_t);
436 #define MANAGER_ATTR(_name, _mode, _show, _store) \
437 struct manager_attribute manager_attr_##_name = \
438 __ATTR(_name, _mode, _show, _store)
440 static MANAGER_ATTR(name, S_IRUGO, manager_name_show, NULL);
441 static MANAGER_ATTR(display, S_IRUGO|S_IWUSR,
442 manager_display_show, manager_display_store);
443 static MANAGER_ATTR(default_color, S_IRUGO|S_IWUSR,
444 manager_default_color_show, manager_default_color_store);
445 static MANAGER_ATTR(trans_key_type, S_IRUGO|S_IWUSR,
446 manager_trans_key_type_show, manager_trans_key_type_store);
447 static MANAGER_ATTR(trans_key_value, S_IRUGO|S_IWUSR,
448 manager_trans_key_value_show, manager_trans_key_value_store);
449 static MANAGER_ATTR(trans_key_enabled, S_IRUGO|S_IWUSR,
450 manager_trans_key_enabled_show,
451 manager_trans_key_enabled_store);
452 static MANAGER_ATTR(alpha_blending_enabled, S_IRUGO|S_IWUSR,
453 manager_alpha_blending_enabled_show,
454 manager_alpha_blending_enabled_store);
455 static MANAGER_ATTR(cpr_enable, S_IRUGO|S_IWUSR,
456 manager_cpr_enable_show,
457 manager_cpr_enable_store);
458 static MANAGER_ATTR(cpr_coef, S_IRUGO|S_IWUSR,
459 manager_cpr_coef_show,
460 manager_cpr_coef_store);
463 static struct attribute *manager_sysfs_attrs[] = {
464 &manager_attr_name.attr,
465 &manager_attr_display.attr,
466 &manager_attr_default_color.attr,
467 &manager_attr_trans_key_type.attr,
468 &manager_attr_trans_key_value.attr,
469 &manager_attr_trans_key_enabled.attr,
470 &manager_attr_alpha_blending_enabled.attr,
471 &manager_attr_cpr_enable.attr,
472 &manager_attr_cpr_coef.attr,
476 static ssize_t manager_attr_show(struct kobject *kobj, struct attribute *attr,
479 struct omap_overlay_manager *manager;
480 struct manager_attribute *manager_attr;
482 manager = container_of(kobj, struct omap_overlay_manager, kobj);
483 manager_attr = container_of(attr, struct manager_attribute, attr);
485 if (!manager_attr->show)
488 return manager_attr->show(manager, buf);
491 static ssize_t manager_attr_store(struct kobject *kobj, struct attribute *attr,
492 const char *buf, size_t size)
494 struct omap_overlay_manager *manager;
495 struct manager_attribute *manager_attr;
497 manager = container_of(kobj, struct omap_overlay_manager, kobj);
498 manager_attr = container_of(attr, struct manager_attribute, attr);
500 if (!manager_attr->store)
503 return manager_attr->store(manager, buf, size);
506 static const struct sysfs_ops manager_sysfs_ops = {
507 .show = manager_attr_show,
508 .store = manager_attr_store,
511 static struct kobj_type manager_ktype = {
512 .sysfs_ops = &manager_sysfs_ops,
513 .default_attrs = manager_sysfs_attrs,
516 int dss_manager_kobj_init(struct omap_overlay_manager *mgr,
517 struct platform_device *pdev)
519 return kobject_init_and_add(&mgr->kobj, &manager_ktype,
520 &pdev->dev.kobj, "manager%d", mgr->id);
523 void dss_manager_kobj_uninit(struct omap_overlay_manager *mgr)
525 kobject_del(&mgr->kobj);
526 kobject_put(&mgr->kobj);
528 memset(&mgr->kobj, 0, sizeof(mgr->kobj));