1 #include <linux/delay.h>
2 #include <sound/pcm_params.h>
3 #include "rockchip-hdmi.h"
4 #include "rockchip-hdmi-cec.h"
6 struct hdmi_delayed_work {
7 struct delayed_work work;
14 struct hdmi_id_ref_info {
18 } ref_info[HDMI_MAX_ID];
21 static void hdmi_work_queue(struct work_struct *work);
23 void hdmi_submit_work(struct hdmi *hdmi,
24 int event, int delay, int sync)
26 struct hdmi_delayed_work *work;
28 DBG("%s event %04x delay %d sync %d\n",
29 __func__, event, delay, sync);
31 work = kmalloc(sizeof(*work), GFP_ATOMIC);
34 INIT_DELAYED_WORK(&work->work, hdmi_work_queue);
39 queue_delayed_work(hdmi->workqueue,
41 msecs_to_jiffies(delay));
43 flush_delayed_work(&work->work);
47 pr_warn("HDMI: Cannot allocate memory to create work\n");
51 static void hdmi_send_uevent(struct hdmi *hdmi, int uevent)
55 envp[0] = "INTERFACE=HDMI";
56 envp[1] = kmalloc(32, GFP_KERNEL);
59 sprintf(envp[1], "SCREEN=%d", hdmi->ddev->property);
61 kobject_uevent_env(&hdmi->ddev->dev->kobj, uevent, envp);
65 static inline void hdmi_wq_set_output(struct hdmi *hdmi, int mute)
67 DBG("%s mute %d\n", __func__, mute);
68 if (hdmi->ops->setmute)
69 hdmi->ops->setmute(hdmi, mute);
72 static inline void hdmi_wq_set_audio(struct hdmi *hdmi)
74 DBG("%s\n", __func__);
75 if (hdmi->ops->setaudio)
76 hdmi->ops->setaudio(hdmi, &hdmi->audio);
79 static void hdmi_wq_set_video(struct hdmi *hdmi)
81 struct hdmi_video *video = &(hdmi->video);
84 DBG("%s\n", __func__);
86 video->sink_hdmi = hdmi->edid.sink_hdmi;
87 video->format_3d = hdmi->mode_3d;
88 video->colorimetry = hdmi->colorimetry;
89 video->color_output_depth = 8;
91 hdmi->vic = hdmi_find_best_mode(hdmi, 0);
93 hdmi->vic = hdmi_find_best_mode(hdmi, hdmi->vic);
96 hdmi->vic = hdmi->property->defaultmode;
98 /* For DVI, output RGB */
99 if (video->sink_hdmi == 0) {
100 video->color_output = HDMI_COLOR_RGB_0_255;
102 if (hdmi->colormode == HDMI_COLOR_AUTO) {
103 if (hdmi->edid.ycbcr444)
104 video->color_output = HDMI_COLOR_YCBCR444;
105 else if (hdmi->edid.ycbcr422)
106 video->color_output = HDMI_COLOR_YCBCR422;
108 video->color_output = HDMI_COLOR_RGB_16_235;
110 video->color_output = hdmi->colormode;
112 if (hdmi->vic & HDMI_VIDEO_YUV420) {
113 video->color_output = HDMI_COLOR_YCBCR420;
114 deepcolor = hdmi->edid.deepcolor_420;
116 deepcolor = hdmi->edid.deepcolor;
118 if ((hdmi->property->feature & SUPPORT_DEEP_10BIT) &&
119 (deepcolor & HDMI_DEEP_COLOR_30BITS) &&
120 (hdmi->colordepth == HDMI_DEPP_COLOR_AUTO ||
121 hdmi->colordepth == 10))
122 video->color_output_depth = 10;
124 pr_info("hdmi output corlor mode is %d\n", video->color_output);
125 if ((hdmi->property->feature & SUPPORT_YCBCR_INPUT) &&
126 (video->color_output == HDMI_COLOR_YCBCR444 ||
127 video->color_output == HDMI_COLOR_YCBCR422))
128 video->color_input = HDMI_COLOR_YCBCR444;
129 else if (video->color_output == HDMI_COLOR_YCBCR420)
130 video->color_input = HDMI_COLOR_YCBCR420;
132 video->color_input = HDMI_COLOR_RGB_0_255;
134 if (hdmi->vic & HDMI_VIDEO_DMT) {
135 video->vic = hdmi->vic;
136 video->color_output_depth = 8;
138 video->vic = hdmi->vic & HDMI_VIC_MASK;
141 if (hdmi->ops->setvideo)
142 hdmi->ops->setvideo(hdmi, video);
145 static void hdmi_wq_parse_edid(struct hdmi *hdmi)
147 struct hdmi_edid *pedid;
149 int rc = HDMI_ERROR_SUCESS, extendblock = 0, i, trytimes;
154 DBG("%s\n", __func__);
156 pedid = &(hdmi->edid);
157 fb_destroy_modelist(&pedid->modelist);
158 memset(pedid, 0, sizeof(struct hdmi_edid));
159 INIT_LIST_HEAD(&pedid->modelist);
161 pedid->raw[0] = kmalloc(HDMI_EDID_BLOCK_SIZE, GFP_KERNEL);
162 if (!pedid->raw[0]) {
163 rc = HDMI_ERROR_FALSE;
167 if (hdmi->ops->getedid == NULL) {
168 rc = HDMI_ERROR_FALSE;
172 /* Read base block edid.*/
173 for (trytimes = 0; trytimes < 3; trytimes++) {
176 memset(pedid->raw[0], 0, HDMI_EDID_BLOCK_SIZE);
177 rc = hdmi->ops->getedid(hdmi, 0, pedid->raw[0]);
180 "[HDMI] read edid base block error\n");
184 rc = hdmi_edid_parse_base(pedid->raw[0], &extendblock, pedid);
187 "[HDMI] parse edid base block error\n");
196 for (i = 1; (i < extendblock + 1) && (i < HDMI_MAX_EDID_BLOCK); i++) {
197 pedid->raw[i] = kmalloc(HDMI_EDID_BLOCK_SIZE, GFP_KERNEL);
198 if (pedid->raw[i] == NULL) {
200 "[%s] can not allocate memory for edid buff.\n",
202 rc = HDMI_ERROR_FALSE;
205 for (trytimes = 0; trytimes < 3; trytimes++) {
208 memset(pedid->raw[i], 0, HDMI_EDID_BLOCK_SIZE);
209 rc = hdmi->ops->getedid(hdmi, i, pedid->raw[i]);
212 "[HDMI] read edid block %d error\n",
217 rc = hdmi_edid_parse_extensions(pedid->raw[i], pedid);
220 "[HDMI] parse edid block %d error\n",
230 rc = hdmi_ouputmode_select(hdmi, rc);
233 static void hdmi_wq_insert(struct hdmi *hdmi)
235 DBG("%s\n", __func__);
236 if (hdmi->ops->insert)
237 hdmi->ops->insert(hdmi);
238 hdmi_wq_parse_edid(hdmi);
239 if (hdmi->property->feature & SUPPORT_CEC)
240 rockchip_hdmi_cec_set_pa(hdmi->edid.cecaddress);
241 hdmi_send_uevent(hdmi, KOBJ_ADD);
243 /*hdmi->autoset = 0;*/
244 hdmi_wq_set_video(hdmi);
246 switch_set_state(&(hdmi->switchdev), 1);
248 hdmi_wq_set_audio(hdmi);
249 hdmi_wq_set_output(hdmi, hdmi->mute);
250 hdmi_submit_work(hdmi, HDMI_ENABLE_HDCP, 100, 0);
251 if (hdmi->ops->setcec)
252 hdmi->ops->setcec(hdmi);
258 static void hdmi_wq_remove(struct hdmi *hdmi)
260 struct list_head *pos, *n;
261 struct rk_screen screen;
264 DBG("%s\n", __func__);
265 if (hdmi->ops->remove)
266 hdmi->ops->remove(hdmi);
267 if (hdmi->property->feature & SUPPORT_CEC)
268 rockchip_hdmi_cec_set_pa(0);
269 if (hdmi->hotplug == HDMI_HPD_ACTIVED) {
270 screen.type = SCREEN_HDMI;
271 rk_fb_switch_screen(&screen, 0, hdmi->lcdc->id);
274 switch_set_state(&(hdmi->switchdev), 0);
276 list_for_each_safe(pos, n, &hdmi->edid.modelist) {
280 for (i = 0; i < HDMI_MAX_EDID_BLOCK; i++)
281 kfree(hdmi->edid.raw[i]);
282 kfree(hdmi->edid.audio);
283 if (hdmi->edid.specs) {
284 kfree(hdmi->edid.specs->modedb);
285 kfree(hdmi->edid.specs);
287 memset(&hdmi->edid, 0, sizeof(struct hdmi_edid));
288 hdmi_init_modelist(hdmi);
289 hdmi->mute = HDMI_AV_UNMUTE;
290 hdmi->mode_3d = HDMI_3D_NONE;
292 hdmi->hotplug = HDMI_HPD_REMOVED;
293 hdmi_send_uevent(hdmi, KOBJ_REMOVE);
296 static void hdmi_work_queue(struct work_struct *work)
298 struct hdmi_delayed_work *hdmi_w =
299 container_of(work, struct hdmi_delayed_work, work.work);
300 struct hdmi *hdmi = hdmi_w->hdmi;
301 int event = hdmi_w->event;
302 int hpd = HDMI_HPD_REMOVED;
304 mutex_lock(&hdmi->ddev->lock);
306 DBG("\nhdmi_work_queue() - evt= %x %d\n",
307 (event & 0xFF00) >> 8,
311 case HDMI_ENABLE_CTL:
315 if (hdmi->ops->enable)
316 hdmi->ops->enable(hdmi);
317 if (hdmi->hotplug == HDMI_HPD_ACTIVED)
318 hdmi_wq_insert(hdmi);
322 case HDMI_RESUME_CTL:
324 if (hdmi->ops->enable)
325 hdmi->ops->enable(hdmi);
329 case HDMI_DISABLE_CTL:
331 if (hdmi->hotplug == HDMI_HPD_ACTIVED)
332 hdmi_wq_set_output(hdmi,
336 if (hdmi->ops->disable)
337 hdmi->ops->disable(hdmi);
338 hdmi_wq_remove(hdmi);
343 case HDMI_SUSPEND_CTL:
345 if (hdmi->hotplug == HDMI_HPD_ACTIVED)
346 hdmi_wq_set_output(hdmi,
349 if (hdmi->ops->disable)
350 hdmi->ops->disable(hdmi);
352 hdmi_wq_remove(hdmi);
356 case HDMI_HPD_CHANGE:
357 if (hdmi->ops->getstatus)
358 hpd = hdmi->ops->getstatus(hdmi);
359 DBG("hdmi_work_queue() - hpd is %d hotplug is %d\n",
361 if (hpd != hdmi->hotplug) {
362 if (hpd == HDMI_HPD_ACTIVED) {
364 hdmi_wq_insert(hdmi);
365 } else if (hdmi->hotplug == HDMI_HPD_ACTIVED) {
366 hdmi_wq_remove(hdmi);
372 if (hdmi->enable && !hdmi->sleep) {
373 hdmi_wq_set_output(hdmi,
374 HDMI_VIDEO_MUTE | HDMI_AUDIO_MUTE);
375 if (rk_fb_get_display_policy() == DISPLAY_POLICY_BOX)
379 hdmi_wq_set_video(hdmi);
380 hdmi_send_uevent(hdmi, KOBJ_CHANGE);
381 hdmi_wq_set_audio(hdmi);
382 hdmi_wq_set_output(hdmi, hdmi->mute);
383 if (hdmi->ops->hdcp_cb)
384 hdmi->ops->hdcp_cb(hdmi);
388 if ((hdmi->mute & HDMI_AUDIO_MUTE) == 0 &&
389 hdmi->enable && !hdmi->sleep) {
390 hdmi_wq_set_output(hdmi, HDMI_AUDIO_MUTE);
391 hdmi_wq_set_audio(hdmi);
392 hdmi_wq_set_output(hdmi, hdmi->mute);
395 case HDMI_MUTE_AUDIO:
396 case HDMI_UNMUTE_AUDIO:
397 if (hdmi->mute & HDMI_AUDIO_MUTE ||
398 !hdmi->enable || hdmi->sleep ||
399 hdmi->hotplug != HDMI_HPD_ACTIVED)
401 if (event == HDMI_MUTE_AUDIO)
402 hdmi_wq_set_output(hdmi, hdmi->mute |
405 hdmi_wq_set_output(hdmi,
406 hdmi->mute & (~HDMI_AUDIO_MUTE));
409 if (hdmi->ops->setvsi && hdmi->edid.sink_hdmi) {
410 if (hdmi->mode_3d == HDMI_3D_FRAME_PACKING ||
411 hdmi->video.format_3d ==
412 HDMI_3D_FRAME_PACKING) {
413 hdmi_wq_set_output(hdmi,
417 hdmi_wq_set_video(hdmi);
418 hdmi_wq_set_audio(hdmi);
419 hdmi_wq_set_output(hdmi, hdmi->mute);
420 } else if (hdmi->mode_3d != HDMI_3D_NONE) {
421 hdmi->ops->setvsi(hdmi, hdmi->mode_3d,
422 HDMI_VIDEO_FORMAT_3D);
423 } else if ((hdmi->vic & HDMI_TYPE_MASK) == 0) {
424 hdmi->ops->setvsi(hdmi, hdmi->vic,
425 HDMI_VIDEO_FORMAT_NORMAL);
430 hdmi_wq_set_output(hdmi,
431 HDMI_VIDEO_MUTE | HDMI_AUDIO_MUTE);
433 hdmi_wq_set_video(hdmi);
434 hdmi_wq_set_output(hdmi, hdmi->mute);
436 case HDMI_ENABLE_HDCP:
437 if (hdmi->hotplug == HDMI_HPD_ACTIVED && hdmi->ops->hdcp_cb)
438 hdmi->ops->hdcp_cb(hdmi);
440 case HDMI_HDCP_AUTH_2ND:
441 if (hdmi->hotplug == HDMI_HPD_ACTIVED &&
442 hdmi->ops->hdcp_auth2nd)
443 hdmi->ops->hdcp_auth2nd(hdmi);
446 pr_err("HDMI: hdmi_work_queue() unkown event\n");
454 DBG("\nhdmi_work_queue() - exit evt= %x %d\n",
455 (event & 0xFF00) >> 8,
457 mutex_unlock(&hdmi->ddev->lock);
460 struct hdmi *rockchip_hdmi_register(struct hdmi_property *property,
461 struct hdmi_ops *ops)
467 if (property == NULL || ops == NULL) {
468 pr_err("HDMI: %s invalid parameter\n", __func__);
472 for (i = 0; i < HDMI_MAX_ID; i++) {
473 if (ref_info[i].ref == 0)
476 if (i == HDMI_MAX_ID)
479 DBG("hdmi_register() - video source %d display %d\n",
480 property->videosrc, property->display);
482 hdmi = kmalloc(sizeof(*hdmi), GFP_KERNEL);
486 memset(hdmi, 0, sizeof(struct hdmi));
487 mutex_init(&hdmi->lock);
489 hdmi->property = property;
491 hdmi->enable = false;
492 hdmi->mute = HDMI_AV_UNMUTE;
493 hdmi->hotplug = HDMI_HPD_REMOVED;
494 hdmi->autoset = HDMI_AUTO_CONFIG;
496 hdmi->vic = uboot_vic & HDMI_UBOOT_VIC_MASK;
497 if (uboot_vic & HDMI_UBOOT_NOT_INIT)
502 } else if (hdmi->autoset) {
505 hdmi->vic = hdmi->property->defaultmode;
507 hdmi->colormode = HDMI_VIDEO_DEFAULT_COLORMODE;
508 hdmi->colordepth = HDMI_DEPP_COLOR_AUTO;
509 hdmi->colorimetry = HDMI_COLORIMETRY_NO_DATA;
510 hdmi->mode_3d = HDMI_3D_NONE;
511 hdmi->audio.type = HDMI_AUDIO_DEFAULT_TYPE;
512 hdmi->audio.channel = HDMI_AUDIO_DEFAULT_CHANNEL;
513 hdmi->audio.rate = HDMI_AUDIO_DEFAULT_RATE;
514 hdmi->audio.word_length = HDMI_AUDIO_DEFAULT_WORDLENGTH;
518 if (hdmi->property->videosrc == DISPLAY_SOURCE_LCDC0)
519 hdmi->lcdc = rk_get_lcdc_drv("lcdc0");
521 hdmi->lcdc = rk_get_lcdc_drv("lcdc1");
524 if (hdmi->lcdc->prop == EXTEND)
525 hdmi->property->display = DISPLAY_AUX;
527 hdmi->property->display = DISPLAY_MAIN;
529 sprintf(name, "hdmi-%s", hdmi->property->name);
530 hdmi->workqueue = create_singlethread_workqueue(name);
531 if (hdmi->workqueue == NULL) {
532 pr_err("HDMI,: create workqueue failed.\n");
535 hdmi->ddev = hdmi_register_display_sysfs(hdmi, NULL);
536 if (hdmi->ddev == NULL) {
537 pr_err("HDMI : register display sysfs failed.\n");
538 goto err_register_display;
541 hdmi_init_modelist(hdmi);
544 hdmi->switchdev.name = "hdmi";
546 hdmi->switchdev.name = kzalloc(32, GFP_KERNEL);
547 memset((char *)hdmi->switchdev.name, 0, 32);
548 sprintf((char *)hdmi->switchdev.name, "hdmi%d", hdmi->id);
550 switch_dev_register(&(hdmi->switchdev));
553 ref_info[i].hdmi = hdmi;
557 err_register_display:
558 destroy_workqueue(hdmi->workqueue);
564 void rockchip_hdmi_unregister(struct hdmi *hdmi)
567 flush_workqueue(hdmi->workqueue);
568 destroy_workqueue(hdmi->workqueue);
570 switch_dev_unregister(&(hdmi->switchdev));
572 hdmi_unregister_display_sysfs(hdmi);
573 fb_destroy_modelist(&hdmi->edid.modelist);
574 kfree(hdmi->edid.audio);
575 if (hdmi->edid.specs) {
576 kfree(hdmi->edid.specs->modedb);
577 kfree(hdmi->edid.specs);
581 ref_info[hdmi->id].ref = 0;
582 ref_info[hdmi->id].hdmi = NULL;
588 int hdmi_get_hotplug(void)
590 if (ref_info[0].hdmi)
591 return ref_info[0].hdmi->hotplug;
593 return HDMI_HPD_REMOVED;
596 int hdmi_config_audio(struct hdmi_audio *audio)
602 return HDMI_ERROR_FALSE;
604 for (i = 0; i < HDMI_MAX_ID; i++) {
605 if (ref_info[i].ref == 0)
607 hdmi = ref_info[i].hdmi;
608 memcpy(&hdmi->audio, audio, sizeof(struct hdmi_audio));
609 if (hdmi->hotplug == HDMI_HPD_ACTIVED)
610 hdmi_submit_work(hdmi, HDMI_SET_AUDIO, 0, 0);
615 int snd_config_hdmi_audio(struct snd_pcm_hw_params *params)
617 struct hdmi_audio audio_cfg;
620 switch (params_rate(params)) {
622 rate = HDMI_AUDIO_FS_32000;
625 rate = HDMI_AUDIO_FS_44100;
628 rate = HDMI_AUDIO_FS_48000;
631 rate = HDMI_AUDIO_FS_88200;
634 rate = HDMI_AUDIO_FS_96000;
637 rate = HDMI_AUDIO_FS_176400;
640 rate = HDMI_AUDIO_FS_192000;
643 pr_err("rate %d unsupport.\n", params_rate(params));
644 rate = HDMI_AUDIO_FS_44100;
647 audio_cfg.rate = rate;
649 if (params->flags == HW_PARAMS_FLAG_NLPCM)
650 audio_cfg.type = HDMI_AUDIO_NLPCM;
652 audio_cfg.type = HDMI_AUDIO_LPCM;
654 audio_cfg.channel = params_channels(params);
655 audio_cfg.word_length = HDMI_AUDIO_WORD_LENGTH_16bit;
657 return hdmi_config_audio(&audio_cfg);
659 EXPORT_SYMBOL(snd_config_hdmi_audio);
661 void hdmi_audio_mute(int mute)
666 for (i = 0; i < HDMI_MAX_ID; i++) {
667 if (ref_info[i].ref == 0)
669 hdmi = ref_info[i].hdmi;
672 hdmi_submit_work(hdmi, HDMI_MUTE_AUDIO, 0, 0);
674 hdmi_submit_work(hdmi, HDMI_UNMUTE_AUDIO, 0, 0);
678 static int __init bootloader_setup(char *str)
681 pr_info("hdmi init vic is %s\n", str);
682 if (kstrtoint(str, 0, &uboot_vic) < 0)
688 early_param("hdmi.vic", bootloader_setup);
690 static int __init hdmi_class_init(void)
694 for (i = 0; i < HDMI_MAX_ID; i++) {
697 ref_info[i].hdmi = NULL;
699 pr_info("Rockchip hdmi driver version 2.0\n.");
703 subsys_initcall(hdmi_class_init);