1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21#define DSS_SUBSYS_NAME "MANAGER"
22
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>
28
29#include <video/omapdss.h>
30
31#include "dss.h"
32#include "dss_features.h"
33
34static ssize_t manager_name_show(struct omap_overlay_manager *mgr, char *buf)
35{
36 return snprintf(buf, PAGE_SIZE, "%s\n", mgr->name);
37}
38
39static ssize_t manager_display_show(struct omap_overlay_manager *mgr, char *buf)
40{
41 struct omap_dss_device *dssdev = mgr->get_device(mgr);
42
43 return snprintf(buf, PAGE_SIZE, "%s\n", dssdev ?
44 dssdev->name : "<none>");
45}
46
47static int manager_display_match(struct omap_dss_device *dssdev, void *data)
48{
49 const char *str = data;
50
51 return sysfs_streq(dssdev->name, str);
52}
53
54static ssize_t manager_display_store(struct omap_overlay_manager *mgr,
55 const char *buf, size_t size)
56{
57 int r = 0;
58 size_t len = size;
59 struct omap_dss_device *dssdev = NULL;
60 struct omap_dss_device *old_dssdev;
61
62 if (buf[size-1] == '\n')
63 --len;
64
65 if (len > 0)
66 dssdev = omap_dss_find_device((void *)buf,
67 manager_display_match);
68
69 if (len > 0 && dssdev == NULL)
70 return -EINVAL;
71
72 if (dssdev) {
73 DSSDBG("display %s found\n", dssdev->name);
74
75 if (omapdss_device_is_connected(dssdev)) {
76 DSSERR("new display is already connected\n");
77 r = -EINVAL;
78 goto put_device;
79 }
80
81 if (omapdss_device_is_enabled(dssdev)) {
82 DSSERR("new display is not disabled\n");
83 r = -EINVAL;
84 goto put_device;
85 }
86 }
87
88 old_dssdev = mgr->get_device(mgr);
89 if (old_dssdev) {
90 if (omapdss_device_is_enabled(old_dssdev)) {
91 DSSERR("old display is not disabled\n");
92 r = -EINVAL;
93 goto put_device;
94 }
95
96 old_dssdev->driver->disconnect(old_dssdev);
97 }
98
99 if (dssdev) {
100 r = dssdev->driver->connect(dssdev);
101 if (r) {
102 DSSERR("failed to connect new device\n");
103 goto put_device;
104 }
105
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);
110 goto put_device;
111 }
112
113 r = mgr->apply(mgr);
114 if (r) {
115 DSSERR("failed to apply dispc config\n");
116 goto put_device;
117 }
118 }
119
120put_device:
121 if (dssdev)
122 omap_dss_put_device(dssdev);
123
124 return r ? r : size;
125}
126
127static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr,
128 char *buf)
129{
130 struct omap_overlay_manager_info info;
131
132 mgr->get_manager_info(mgr, &info);
133
134 return snprintf(buf, PAGE_SIZE, "%#x\n", info.default_color);
135}
136
137static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
138 const char *buf, size_t size)
139{
140 struct omap_overlay_manager_info info;
141 u32 color;
142 int r;
143
144 r = kstrtouint(buf, 0, &color);
145 if (r)
146 return r;
147
148 mgr->get_manager_info(mgr, &info);
149
150 info.default_color = color;
151
152 r = mgr->set_manager_info(mgr, &info);
153 if (r)
154 return r;
155
156 r = mgr->apply(mgr);
157 if (r)
158 return r;
159
160 return size;
161}
162
163static const char *trans_key_type_str[] = {
164 "gfx-destination",
165 "video-source",
166};
167
168static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr,
169 char *buf)
170{
171 enum omap_dss_trans_key_type key_type;
172 struct omap_overlay_manager_info info;
173
174 mgr->get_manager_info(mgr, &info);
175
176 key_type = info.trans_key_type;
177 BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str));
178
179 return snprintf(buf, PAGE_SIZE, "%s\n", trans_key_type_str[key_type]);
180}
181
182static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
183 const char *buf, size_t size)
184{
185 enum omap_dss_trans_key_type key_type;
186 struct omap_overlay_manager_info info;
187 int r;
188
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]))
192 break;
193 }
194
195 if (key_type == ARRAY_SIZE(trans_key_type_str))
196 return -EINVAL;
197
198 mgr->get_manager_info(mgr, &info);
199
200 info.trans_key_type = key_type;
201
202 r = mgr->set_manager_info(mgr, &info);
203 if (r)
204 return r;
205
206 r = mgr->apply(mgr);
207 if (r)
208 return r;
209
210 return size;
211}
212
213static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr,
214 char *buf)
215{
216 struct omap_overlay_manager_info info;
217
218 mgr->get_manager_info(mgr, &info);
219
220 return snprintf(buf, PAGE_SIZE, "%#x\n", info.trans_key);
221}
222
223static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
224 const char *buf, size_t size)
225{
226 struct omap_overlay_manager_info info;
227 u32 key_value;
228 int r;
229
230 r = kstrtouint(buf, 0, &key_value);
231 if (r)
232 return r;
233
234 mgr->get_manager_info(mgr, &info);
235
236 info.trans_key = key_value;
237
238 r = mgr->set_manager_info(mgr, &info);
239 if (r)
240 return r;
241
242 r = mgr->apply(mgr);
243 if (r)
244 return r;
245
246 return size;
247}
248
249static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr,
250 char *buf)
251{
252 struct omap_overlay_manager_info info;
253
254 mgr->get_manager_info(mgr, &info);
255
256 return snprintf(buf, PAGE_SIZE, "%d\n", info.trans_enabled);
257}
258
259static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
260 const char *buf, size_t size)
261{
262 struct omap_overlay_manager_info info;
263 bool enable;
264 int r;
265
266 r = strtobool(buf, &enable);
267 if (r)
268 return r;
269
270 mgr->get_manager_info(mgr, &info);
271
272 info.trans_enabled = enable;
273
274 r = mgr->set_manager_info(mgr, &info);
275 if (r)
276 return r;
277
278 r = mgr->apply(mgr);
279 if (r)
280 return r;
281
282 return size;
283}
284
285static ssize_t manager_alpha_blending_enabled_show(
286 struct omap_overlay_manager *mgr, char *buf)
287{
288 struct omap_overlay_manager_info info;
289
290 if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
291 return -ENODEV;
292
293 mgr->get_manager_info(mgr, &info);
294
295 return snprintf(buf, PAGE_SIZE, "%d\n",
296 info.partial_alpha_enabled);
297}
298
299static ssize_t manager_alpha_blending_enabled_store(
300 struct omap_overlay_manager *mgr,
301 const char *buf, size_t size)
302{
303 struct omap_overlay_manager_info info;
304 bool enable;
305 int r;
306
307 if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
308 return -ENODEV;
309
310 r = strtobool(buf, &enable);
311 if (r)
312 return r;
313
314 mgr->get_manager_info(mgr, &info);
315
316 info.partial_alpha_enabled = enable;
317
318 r = mgr->set_manager_info(mgr, &info);
319 if (r)
320 return r;
321
322 r = mgr->apply(mgr);
323 if (r)
324 return r;
325
326 return size;
327}
328
329static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr,
330 char *buf)
331{
332 struct omap_overlay_manager_info info;
333
334 mgr->get_manager_info(mgr, &info);
335
336 return snprintf(buf, PAGE_SIZE, "%d\n", info.cpr_enable);
337}
338
339static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
340 const char *buf, size_t size)
341{
342 struct omap_overlay_manager_info info;
343 int r;
344 bool enable;
345
346 if (!dss_has_feature(FEAT_CPR))
347 return -ENODEV;
348
349 r = strtobool(buf, &enable);
350 if (r)
351 return r;
352
353 mgr->get_manager_info(mgr, &info);
354
355 if (info.cpr_enable == enable)
356 return size;
357
358 info.cpr_enable = enable;
359
360 r = mgr->set_manager_info(mgr, &info);
361 if (r)
362 return r;
363
364 r = mgr->apply(mgr);
365 if (r)
366 return r;
367
368 return size;
369}
370
371static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr,
372 char *buf)
373{
374 struct omap_overlay_manager_info info;
375
376 mgr->get_manager_info(mgr, &info);
377
378 return snprintf(buf, PAGE_SIZE,
379 "%d %d %d %d %d %d %d %d %d\n",
380 info.cpr_coefs.rr,
381 info.cpr_coefs.rg,
382 info.cpr_coefs.rb,
383 info.cpr_coefs.gr,
384 info.cpr_coefs.gg,
385 info.cpr_coefs.gb,
386 info.cpr_coefs.br,
387 info.cpr_coefs.bg,
388 info.cpr_coefs.bb);
389}
390
391static ssize_t manager_cpr_coef_store(struct omap_overlay_manager *mgr,
392 const char *buf, size_t size)
393{
394 struct omap_overlay_manager_info info;
395 struct omap_dss_cpr_coefs coefs;
396 int r, i;
397 s16 *arr;
398
399 if (!dss_has_feature(FEAT_CPR))
400 return -ENODEV;
401
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)
406 return -EINVAL;
407
408 arr = (s16[]){ coefs.rr, coefs.rg, coefs.rb,
409 coefs.gr, coefs.gg, coefs.gb,
410 coefs.br, coefs.bg, coefs.bb };
411
412 for (i = 0; i < 9; ++i) {
413 if (arr[i] < -512 || arr[i] > 511)
414 return -EINVAL;
415 }
416
417 mgr->get_manager_info(mgr, &info);
418
419 info.cpr_coefs = coefs;
420
421 r = mgr->set_manager_info(mgr, &info);
422 if (r)
423 return r;
424
425 r = mgr->apply(mgr);
426 if (r)
427 return r;
428
429 return size;
430}
431
432struct 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);
436};
437
438#define MANAGER_ATTR(_name, _mode, _show, _store) \
439 struct manager_attribute manager_attr_##_name = \
440 __ATTR(_name, _mode, _show, _store)
441
442static MANAGER_ATTR(name, S_IRUGO, manager_name_show, NULL);
443static MANAGER_ATTR(display, S_IRUGO|S_IWUSR,
444 manager_display_show, manager_display_store);
445static MANAGER_ATTR(default_color, S_IRUGO|S_IWUSR,
446 manager_default_color_show, manager_default_color_store);
447static MANAGER_ATTR(trans_key_type, S_IRUGO|S_IWUSR,
448 manager_trans_key_type_show, manager_trans_key_type_store);
449static MANAGER_ATTR(trans_key_value, S_IRUGO|S_IWUSR,
450 manager_trans_key_value_show, manager_trans_key_value_store);
451static MANAGER_ATTR(trans_key_enabled, S_IRUGO|S_IWUSR,
452 manager_trans_key_enabled_show,
453 manager_trans_key_enabled_store);
454static MANAGER_ATTR(alpha_blending_enabled, S_IRUGO|S_IWUSR,
455 manager_alpha_blending_enabled_show,
456 manager_alpha_blending_enabled_store);
457static MANAGER_ATTR(cpr_enable, S_IRUGO|S_IWUSR,
458 manager_cpr_enable_show,
459 manager_cpr_enable_store);
460static MANAGER_ATTR(cpr_coef, S_IRUGO|S_IWUSR,
461 manager_cpr_coef_show,
462 manager_cpr_coef_store);
463
464
465static 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,
475 NULL
476};
477
478static ssize_t manager_attr_show(struct kobject *kobj, struct attribute *attr,
479 char *buf)
480{
481 struct omap_overlay_manager *manager;
482 struct manager_attribute *manager_attr;
483
484 manager = container_of(kobj, struct omap_overlay_manager, kobj);
485 manager_attr = container_of(attr, struct manager_attribute, attr);
486
487 if (!manager_attr->show)
488 return -ENOENT;
489
490 return manager_attr->show(manager, buf);
491}
492
493static ssize_t manager_attr_store(struct kobject *kobj, struct attribute *attr,
494 const char *buf, size_t size)
495{
496 struct omap_overlay_manager *manager;
497 struct manager_attribute *manager_attr;
498
499 manager = container_of(kobj, struct omap_overlay_manager, kobj);
500 manager_attr = container_of(attr, struct manager_attribute, attr);
501
502 if (!manager_attr->store)
503 return -ENOENT;
504
505 return manager_attr->store(manager, buf, size);
506}
507
508static const struct sysfs_ops manager_sysfs_ops = {
509 .show = manager_attr_show,
510 .store = manager_attr_store,
511};
512
513static struct kobj_type manager_ktype = {
514 .sysfs_ops = &manager_sysfs_ops,
515 .default_attrs = manager_sysfs_attrs,
516};
517
518int dss_manager_kobj_init(struct omap_overlay_manager *mgr,
519 struct platform_device *pdev)
520{
521 return kobject_init_and_add(&mgr->kobj, &manager_ktype,
522 &pdev->dev.kobj, "manager%d", mgr->id);
523}
524
525void dss_manager_kobj_uninit(struct omap_overlay_manager *mgr)
526{
527 kobject_del(&mgr->kobj);
528 kobject_put(&mgr->kobj);
529
530 memset(&mgr->kobj, 0, sizeof(mgr->kobj));
531}
532
