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 int manager_display_match(struct omap_dss_device *dssdev, void *data)
49 const char *str = data;
51 return sysfs_streq(dssdev->name, str);
54 static ssize_t manager_display_store(struct omap_overlay_manager *mgr,
55 const char *buf, size_t size)
59 struct omap_dss_device *dssdev = NULL;
60 struct omap_dss_device *old_dssdev;
62 if (buf[size-1] == '\n')
66 dssdev = omap_dss_find_device((void *)buf,
67 manager_display_match);
69 if (len > 0 && dssdev == NULL)
73 DSSDBG("display %s found\n", dssdev->name);
75 if (omapdss_device_is_connected(dssdev)) {
76 DSSERR("new display is already connected\n");
81 if (omapdss_device_is_enabled(dssdev)) {
82 DSSERR("new display is not disabled\n");
88 old_dssdev = mgr->get_device(mgr);
90 if (omapdss_device_is_enabled(old_dssdev)) {
91 DSSERR("old display is not disabled\n");
96 old_dssdev->driver->disconnect(old_dssdev);
100 r = dssdev->driver->connect(dssdev);
102 DSSERR("failed to connect new device\n");
106 old_dssdev = mgr->get_device(mgr);
107 if (old_dssdev != dssdev) {
108 DSSERR("failed to connect device to this manager\n");
109 dssdev->driver->disconnect(dssdev);
115 DSSERR("failed to apply dispc config\n");
122 omap_dss_put_device(dssdev);
127 static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr,
130 struct omap_overlay_manager_info info;
132 mgr->get_manager_info(mgr, &info);
134 return snprintf(buf, PAGE_SIZE, "%#x\n", info.default_color);
137 static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
138 const char *buf, size_t size)
140 struct omap_overlay_manager_info info;
144 r = kstrtouint(buf, 0, &color);
148 mgr->get_manager_info(mgr, &info);
150 info.default_color = color;
152 r = mgr->set_manager_info(mgr, &info);
163 static const char *trans_key_type_str[] = {
168 static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr,
171 enum omap_dss_trans_key_type key_type;
172 struct omap_overlay_manager_info info;
174 mgr->get_manager_info(mgr, &info);
176 key_type = info.trans_key_type;
177 BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str));
179 return snprintf(buf, PAGE_SIZE, "%s\n", trans_key_type_str[key_type]);
182 static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
183 const char *buf, size_t size)
185 enum omap_dss_trans_key_type key_type;
186 struct omap_overlay_manager_info info;
189 for (key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
190 key_type < ARRAY_SIZE(trans_key_type_str); key_type++) {
191 if (sysfs_streq(buf, trans_key_type_str[key_type]))
195 if (key_type == ARRAY_SIZE(trans_key_type_str))
198 mgr->get_manager_info(mgr, &info);
200 info.trans_key_type = key_type;
202 r = mgr->set_manager_info(mgr, &info);
213 static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr,
216 struct omap_overlay_manager_info info;
218 mgr->get_manager_info(mgr, &info);
220 return snprintf(buf, PAGE_SIZE, "%#x\n", info.trans_key);
223 static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
224 const char *buf, size_t size)
226 struct omap_overlay_manager_info info;
230 r = kstrtouint(buf, 0, &key_value);
234 mgr->get_manager_info(mgr, &info);
236 info.trans_key = key_value;
238 r = mgr->set_manager_info(mgr, &info);
249 static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr,
252 struct omap_overlay_manager_info info;
254 mgr->get_manager_info(mgr, &info);
256 return snprintf(buf, PAGE_SIZE, "%d\n", info.trans_enabled);
259 static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
260 const char *buf, size_t size)
262 struct omap_overlay_manager_info info;
266 r = strtobool(buf, &enable);
270 mgr->get_manager_info(mgr, &info);
272 info.trans_enabled = enable;
274 r = mgr->set_manager_info(mgr, &info);
285 static ssize_t manager_alpha_blending_enabled_show(
286 struct omap_overlay_manager *mgr, char *buf)
288 struct omap_overlay_manager_info info;
290 if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
293 mgr->get_manager_info(mgr, &info);
295 return snprintf(buf, PAGE_SIZE, "%d\n",
296 info.partial_alpha_enabled);
299 static ssize_t manager_alpha_blending_enabled_store(
300 struct omap_overlay_manager *mgr,
301 const char *buf, size_t size)
303 struct omap_overlay_manager_info info;
307 if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
310 r = strtobool(buf, &enable);
314 mgr->get_manager_info(mgr, &info);
316 info.partial_alpha_enabled = enable;
318 r = mgr->set_manager_info(mgr, &info);
329 static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr,
332 struct omap_overlay_manager_info info;
334 mgr->get_manager_info(mgr, &info);
336 return snprintf(buf, PAGE_SIZE, "%d\n", info.cpr_enable);
339 static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
340 const char *buf, size_t size)
342 struct omap_overlay_manager_info info;
346 if (!dss_has_feature(FEAT_CPR))
349 r = strtobool(buf, &enable);
353 mgr->get_manager_info(mgr, &info);
355 if (info.cpr_enable == enable)
358 info.cpr_enable = enable;
360 r = mgr->set_manager_info(mgr, &info);
371 static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr,
374 struct omap_overlay_manager_info info;
376 mgr->get_manager_info(mgr, &info);
378 return snprintf(buf, PAGE_SIZE,
379 "%d %d %d %d %d %d %d %d %d\n",
391 static ssize_t manager_cpr_coef_store(struct omap_overlay_manager *mgr,
392 const char *buf, size_t size)
394 struct omap_overlay_manager_info info;
395 struct omap_dss_cpr_coefs coefs;
399 if (!dss_has_feature(FEAT_CPR))
402 if (sscanf(buf, "%hd %hd %hd %hd %hd %hd %hd %hd %hd",
403 &coefs.rr, &coefs.rg, &coefs.rb,
404 &coefs.gr, &coefs.gg, &coefs.gb,
405 &coefs.br, &coefs.bg, &coefs.bb) != 9)
408 arr = (s16[]){ coefs.rr, coefs.rg, coefs.rb,
409 coefs.gr, coefs.gg, coefs.gb,
410 coefs.br, coefs.bg, coefs.bb };
412 for (i = 0; i < 9; ++i) {
413 if (arr[i] < -512 || arr[i] > 511)
417 mgr->get_manager_info(mgr, &info);
419 info.cpr_coefs = coefs;
421 r = mgr->set_manager_info(mgr, &info);
432 struct manager_attribute {
433 struct attribute attr;
434 ssize_t (*show)(struct omap_overlay_manager *, char *);
435 ssize_t (*store)(struct omap_overlay_manager *, const char *, size_t);
438 #define MANAGER_ATTR(_name, _mode, _show, _store) \
439 struct manager_attribute manager_attr_##_name = \
440 __ATTR(_name, _mode, _show, _store)
442 static MANAGER_ATTR(name, S_IRUGO, manager_name_show, NULL);
443 static MANAGER_ATTR(display, S_IRUGO|S_IWUSR,
444 manager_display_show, manager_display_store);
445 static MANAGER_ATTR(default_color, S_IRUGO|S_IWUSR,
446 manager_default_color_show, manager_default_color_store);
447 static MANAGER_ATTR(trans_key_type, S_IRUGO|S_IWUSR,
448 manager_trans_key_type_show, manager_trans_key_type_store);
449 static MANAGER_ATTR(trans_key_value, S_IRUGO|S_IWUSR,
450 manager_trans_key_value_show, manager_trans_key_value_store);
451 static MANAGER_ATTR(trans_key_enabled, S_IRUGO|S_IWUSR,
452 manager_trans_key_enabled_show,
453 manager_trans_key_enabled_store);
454 static MANAGER_ATTR(alpha_blending_enabled, S_IRUGO|S_IWUSR,
455 manager_alpha_blending_enabled_show,
456 manager_alpha_blending_enabled_store);
457 static MANAGER_ATTR(cpr_enable, S_IRUGO|S_IWUSR,
458 manager_cpr_enable_show,
459 manager_cpr_enable_store);
460 static MANAGER_ATTR(cpr_coef, S_IRUGO|S_IWUSR,
461 manager_cpr_coef_show,
462 manager_cpr_coef_store);
465 static struct attribute *manager_sysfs_attrs[] = {
466 &manager_attr_name.attr,
467 &manager_attr_display.attr,
468 &manager_attr_default_color.attr,
469 &manager_attr_trans_key_type.attr,
470 &manager_attr_trans_key_value.attr,
471 &manager_attr_trans_key_enabled.attr,
472 &manager_attr_alpha_blending_enabled.attr,
473 &manager_attr_cpr_enable.attr,
474 &manager_attr_cpr_coef.attr,
478 static ssize_t manager_attr_show(struct kobject *kobj, struct attribute *attr,
481 struct omap_overlay_manager *manager;
482 struct manager_attribute *manager_attr;
484 manager = container_of(kobj, struct omap_overlay_manager, kobj);
485 manager_attr = container_of(attr, struct manager_attribute, attr);
487 if (!manager_attr->show)
490 return manager_attr->show(manager, buf);
493 static ssize_t manager_attr_store(struct kobject *kobj, struct attribute *attr,
494 const char *buf, size_t size)
496 struct omap_overlay_manager *manager;
497 struct manager_attribute *manager_attr;
499 manager = container_of(kobj, struct omap_overlay_manager, kobj);
500 manager_attr = container_of(attr, struct manager_attribute, attr);
502 if (!manager_attr->store)
505 return manager_attr->store(manager, buf, size);
508 static const struct sysfs_ops manager_sysfs_ops = {
509 .show = manager_attr_show,
510 .store = manager_attr_store,
513 static struct kobj_type manager_ktype = {
514 .sysfs_ops = &manager_sysfs_ops,
515 .default_attrs = manager_sysfs_attrs,
518 int dss_manager_kobj_init(struct omap_overlay_manager *mgr,
519 struct platform_device *pdev)
521 return kobject_init_and_add(&mgr->kobj, &manager_ktype,
522 &pdev->dev.kobj, "manager%d", mgr->id);
525 void dss_manager_kobj_uninit(struct omap_overlay_manager *mgr)
527 kobject_del(&mgr->kobj);
528 kobject_put(&mgr->kobj);
530 memset(&mgr->kobj, 0, sizeof(mgr->kobj));