1 #include <linux/delay.h>
2 #include "rockchip-hdmi.h"
3 #include "rockchip-hdmi-cec.h"
5 struct hdmi_delayed_work {
6 struct delayed_work work;
12 struct hdmi_id_ref_info {
16 } ref_info[HDMI_MAX_ID];
19 static void hdmi_work_queue(struct work_struct *work);
21 struct delayed_work *hdmi_submit_work(struct hdmi *hdmi,
22 int event, int delay, void *data)
24 struct hdmi_delayed_work *work;
26 DBG("%s event %04x delay %d", __func__, event, delay);
28 work = kmalloc(sizeof(*work), GFP_ATOMIC);
31 INIT_DELAYED_WORK(&work->work, hdmi_work_queue);
35 queue_delayed_work(hdmi->workqueue,
37 msecs_to_jiffies(delay));
39 pr_warn("HDMI: Cannot allocate memory to create work\n");
46 static void hdmi_send_uevent(struct hdmi *hdmi, int uevent)
50 envp[0] = "INTERFACE=HDMI";
51 envp[1] = kmalloc(32, GFP_KERNEL);
54 sprintf(envp[1], "SCREEN=%d", hdmi->ddev->property);
56 kobject_uevent_env(&hdmi->ddev->dev->kobj, uevent, envp);
60 static inline void hdmi_wq_set_output(struct hdmi *hdmi, int mute)
62 DBG("%s mute %d", __func__, mute);
63 if (hdmi->ops->setmute)
64 hdmi->ops->setmute(hdmi, mute);
67 static inline void hdmi_wq_set_audio(struct hdmi *hdmi)
70 if (hdmi->ops->setaudio)
71 hdmi->ops->setaudio(hdmi, &hdmi->audio);
74 static void hdmi_wq_set_video(struct hdmi *hdmi)
76 struct hdmi_video video;
80 video.vic = hdmi->vic & HDMI_VIC_MASK;
81 video.sink_hdmi = hdmi->edid.sink_hdmi;
82 video.format_3d = hdmi->mode_3d;
83 /* For DVI, output RGB */
84 if (hdmi->edid.sink_hdmi == 0) {
85 video.color_output = HDMI_COLOR_RGB_0_255;
87 if (hdmi->colormode == HDMI_COLOR_AUTO) {
88 if (hdmi->edid.ycbcr444)
89 video.color_output = HDMI_COLOR_YCBCR444;
90 else if (hdmi->edid.ycbcr422)
91 video.color_output = HDMI_COLOR_YCBCR422;
93 video.color_output = HDMI_COLOR_RGB_16_235;
95 video.color_output = hdmi->colormode;
98 if ((hdmi->property->feature & SUPPORT_DEEP_10BIT) &&
99 (hdmi->edid.deepcolor & HDMI_DEEP_COLOR_30BITS)) {
100 if (hdmi->colordepth == HDMI_DEPP_COLOR_AUTO ||
101 hdmi->colordepth == 10)
102 video.color_output_depth = 10;
104 video.color_output_depth = 8;
106 if (hdmi->vic & HDMI_VIDEO_YUV420)
107 video.color_output = HDMI_COLOR_YCBCR420;
108 pr_info("hdmi output corlor mode is %d\n", video.color_output);
109 video.color_input = HDMI_COLOR_RGB_0_255;
110 if (hdmi->property->feature & SUPPORT_YCBCR_INPUT) {
111 if (video.color_output == HDMI_COLOR_YCBCR444 ||
112 video.color_output == HDMI_COLOR_YCBCR422)
113 video.color_input = HDMI_COLOR_YCBCR444;
114 else if (video.color_output == HDMI_COLOR_YCBCR420)
115 video.color_input = HDMI_COLOR_YCBCR420;
117 hdmi->colormode_input = video.color_input;
119 if (hdmi->ops->setvideo)
120 hdmi->ops->setvideo(hdmi, &video);
123 static void hdmi_wq_parse_edid(struct hdmi *hdmi)
125 struct hdmi_edid *pedid;
126 unsigned char *buff = NULL;
127 int rc = HDMI_ERROR_SUCESS, extendblock = 0, i, trytimes;
134 pedid = &(hdmi->edid);
135 fb_destroy_modelist(&pedid->modelist);
136 memset(pedid, 0, sizeof(struct hdmi_edid));
137 INIT_LIST_HEAD(&pedid->modelist);
139 buff = kmalloc(HDMI_EDID_BLOCK_SIZE, GFP_KERNEL);
142 "[%s] can not allocate memory for edid buff.\n",
144 rc = HDMI_ERROR_FALSE;
148 if (hdmi->ops->getedid == NULL) {
149 rc = HDMI_ERROR_FALSE;
153 /* Read base block edid.*/
154 for (trytimes = 0; trytimes < 3; trytimes++) {
157 memset(buff, 0 , HDMI_EDID_BLOCK_SIZE);
158 rc = hdmi->ops->getedid(hdmi, 0, buff);
161 "[HDMI] read edid base block error\n");
165 rc = hdmi_edid_parse_base(buff, &extendblock, pedid);
168 "[HDMI] parse edid base block error\n");
177 for (i = 1; i < extendblock + 1; i++) {
178 for (trytimes = 0; trytimes < 3; trytimes++) {
181 memset(buff, 0 , HDMI_EDID_BLOCK_SIZE);
182 rc = hdmi->ops->getedid(hdmi, i, buff);
185 "[HDMI] read edid block %d error\n",
190 rc = hdmi_edid_parse_extensions(buff, pedid);
193 "[HDMI] parse edid block %d error\n",
204 rc = hdmi_ouputmode_select(hdmi, rc);
207 static void hdmi_wq_insert(struct hdmi *hdmi)
210 if (hdmi->ops->insert)
211 hdmi->ops->insert(hdmi);
212 hdmi_wq_parse_edid(hdmi);
213 if (hdmi->property->feature & SUPPORT_CEC)
214 rockchip_hdmi_cec_set_pa(hdmi->edid.cecaddress);
215 hdmi_send_uevent(hdmi, KOBJ_ADD);
217 /*hdmi->autoset = 0;*/
218 hdmi_wq_set_video(hdmi);
220 if ((hdmi->edid.baseaudio_support &&
221 hdmi->edid.sink_hdmi) ||
222 rk_fb_get_display_policy() == DISPLAY_POLICY_BOX)
223 switch_set_state(&(hdmi->switchdev), 1);
225 hdmi_wq_set_audio(hdmi);
226 hdmi_wq_set_output(hdmi, hdmi->mute);
227 if (hdmi->ops->hdcp_cb)
228 hdmi->ops->hdcp_cb(hdmi);
229 if (hdmi->ops->setcec)
230 hdmi->ops->setcec(hdmi);
236 static void hdmi_wq_remove(struct hdmi *hdmi)
238 struct list_head *pos, *n;
239 struct rk_screen screen;
242 if (hdmi->ops->remove)
243 hdmi->ops->remove(hdmi);
245 if ((hdmi->edid.baseaudio_support &&
246 hdmi->edid.sink_hdmi) ||
247 rk_fb_get_display_policy() == DISPLAY_POLICY_BOX)
248 switch_set_state(&(hdmi->switchdev), 0);
250 list_for_each_safe(pos, n, &hdmi->edid.modelist) {
255 kfree(hdmi->edid.audio);
257 if (hdmi->edid.specs) {
258 kfree(hdmi->edid.specs->modedb);
259 kfree(hdmi->edid.specs);
261 memset(&hdmi->edid, 0, sizeof(struct hdmi_edid));
262 hdmi_init_modelist(hdmi);
263 hdmi->mute = HDMI_AV_UNMUTE;
264 hdmi->mode_3d = HDMI_3D_NONE;
266 if (hdmi->hotplug == HDMI_HPD_ACTIVED) {
267 screen.type = SCREEN_HDMI;
268 rk_fb_switch_screen(&screen, 0, hdmi->lcdc->id);
270 hdmi->hotplug = HDMI_HPD_REMOVED;
271 hdmi_send_uevent(hdmi, KOBJ_REMOVE);
274 static void hdmi_work_queue(struct work_struct *work)
276 struct hdmi_delayed_work *hdmi_w =
277 container_of(work, struct hdmi_delayed_work, work.work);
278 struct hdmi *hdmi = hdmi_w->hdmi;
279 int event = hdmi_w->event;
280 int hpd = HDMI_HPD_REMOVED;
282 mutex_lock(&hdmi->lock);
284 DBG("\nhdmi_work_queue() - evt= %x %d\n",
285 (event & 0xFF00) >> 8,
289 case HDMI_ENABLE_CTL:
293 if (hdmi->ops->enable)
294 hdmi->ops->enable(hdmi);
295 if (hdmi->hotplug == HDMI_HPD_ACTIVED)
296 hdmi_wq_insert(hdmi);
300 case HDMI_RESUME_CTL:
302 if (hdmi->ops->enable)
303 hdmi->ops->enable(hdmi);
307 case HDMI_DISABLE_CTL:
311 if (hdmi->ops->disable)
312 hdmi->ops->disable(hdmi);
314 hdmi_wq_remove(hdmi);
319 case HDMI_SUSPEND_CTL:
321 hdmi_wq_set_output(hdmi,
322 HDMI_VIDEO_MUTE | HDMI_AUDIO_MUTE);
323 if (hdmi->ops->disable)
324 hdmi->ops->disable(hdmi);
326 hdmi_wq_remove(hdmi);
330 case HDMI_HPD_CHANGE:
331 if (hdmi->ops->getstatus)
332 hpd = hdmi->ops->getstatus(hdmi);
333 DBG("hdmi_work_queue() - hpd is %d hotplug is %d",
335 if (hpd != hdmi->hotplug) {
336 if (hpd == HDMI_HPD_ACTIVED) {
338 hdmi_wq_insert(hdmi);
339 } else if (hdmi->hotplug == HDMI_HPD_ACTIVED) {
340 hdmi_wq_remove(hdmi);
346 if (hdmi->enable && !hdmi->sleep) {
347 hdmi_wq_set_output(hdmi,
348 HDMI_VIDEO_MUTE | HDMI_AUDIO_MUTE);
349 if (rk_fb_get_display_policy() == DISPLAY_POLICY_BOX)
353 hdmi_wq_set_video(hdmi);
354 hdmi_send_uevent(hdmi, KOBJ_CHANGE);
355 hdmi_wq_set_audio(hdmi);
356 hdmi_wq_set_output(hdmi, hdmi->mute);
357 if (hdmi->ops->hdcp_cb)
358 hdmi->ops->hdcp_cb(hdmi);
362 if ((hdmi->mute & HDMI_AUDIO_MUTE) == 0 &&
363 hdmi->enable && !hdmi->sleep) {
364 hdmi_wq_set_output(hdmi, HDMI_AUDIO_MUTE);
365 hdmi_wq_set_audio(hdmi);
366 hdmi_wq_set_output(hdmi, hdmi->mute);
369 case HDMI_MUTE_AUDIO:
370 case HDMI_UNMUTE_AUDIO:
371 if (hdmi->mute & HDMI_AUDIO_MUTE ||
372 !hdmi->enable || hdmi->sleep ||
373 hdmi->hotplug != HDMI_HPD_ACTIVED)
375 if (event == HDMI_MUTE_AUDIO)
376 hdmi_wq_set_output(hdmi, hdmi->mute |
379 hdmi_wq_set_output(hdmi,
380 hdmi->mute & (~HDMI_AUDIO_MUTE));
383 if (hdmi->ops->setvsi) {
384 if (hdmi->mode_3d != HDMI_3D_NONE)
385 hdmi->ops->setvsi(hdmi, hdmi->mode_3d,
386 HDMI_VIDEO_FORMAT_3D);
387 else if ((hdmi->vic & HDMI_TYPE_MASK) == 0)
388 hdmi->ops->setvsi(hdmi, hdmi->vic,
389 HDMI_VIDEO_FORMAT_NORMAL);
393 hdmi_wq_set_output(hdmi,
394 HDMI_VIDEO_MUTE | HDMI_AUDIO_MUTE);
396 hdmi_wq_set_video(hdmi);
397 hdmi_wq_set_output(hdmi, hdmi->mute);
399 case HDMI_ENABLE_HDCP:
400 if (hdmi->hotplug == HDMI_HPD_ACTIVED && hdmi->ops->hdcp_cb)
401 hdmi->ops->hdcp_cb(hdmi);
404 pr_err("HDMI: hdmi_work_queue() unkown event\n");
411 DBG("\nhdmi_work_queue() - exit evt= %x %d\n",
412 (event & 0xFF00) >> 8,
414 mutex_unlock(&hdmi->lock);
417 struct hdmi *rockchip_hdmi_register(struct hdmi_property *property,
418 struct hdmi_ops *ops)
424 if (property == NULL || ops == NULL) {
425 pr_err("HDMI: %s invalid parameter\n", __func__);
429 for (i = 0; i < HDMI_MAX_ID; i++) {
430 if (ref_info[i].ref == 0)
433 if (i == HDMI_MAX_ID)
436 DBG("hdmi_register() - video source %d display %d",
437 property->videosrc, property->display);
439 hdmi = kmalloc(sizeof(*hdmi), GFP_KERNEL);
441 pr_err("HDMI: no memory to allocate hdmi device.\n");
444 memset(hdmi, 0, sizeof(struct hdmi));
445 mutex_init(&hdmi->lock);
447 hdmi->property = property;
449 hdmi->enable = false;
450 hdmi->mute = HDMI_AV_UNMUTE;
451 hdmi->hotplug = HDMI_HPD_REMOVED;
452 hdmi->autoset = HDMI_AUTO_CONFIG;
454 hdmi->vic = uboot_vic;
457 } else if (hdmi->autoset) {
460 hdmi->vic = hdmi->property->defaultmode;
462 hdmi->colormode = HDMI_VIDEO_DEFAULT_COLORMODE;
463 hdmi->colordepth = HDMI_DEPP_COLOR_AUTO;
464 hdmi->mode_3d = HDMI_3D_NONE;
465 hdmi->audio.type = HDMI_AUDIO_DEFAULT_TYPE;
466 hdmi->audio.channel = HDMI_AUDIO_DEFAULT_CHANNEL;
467 hdmi->audio.rate = HDMI_AUDIO_DEFAULT_RATE;
468 hdmi->audio.word_length = HDMI_AUDIO_DEFAULT_WORDLENGTH;
471 hdmi_init_modelist(hdmi);
473 #ifndef CONFIG_ARCH_RK29
474 if (hdmi->property->videosrc == DISPLAY_SOURCE_LCDC0)
475 hdmi->lcdc = rk_get_lcdc_drv("lcdc0");
477 hdmi->lcdc = rk_get_lcdc_drv("lcdc1");
480 sprintf(name, "hdmi-%s", hdmi->property->name);
481 hdmi->workqueue = create_singlethread_workqueue(name);
482 if (hdmi->workqueue == NULL) {
483 pr_err("HDMI,: create workqueue failed.\n");
486 hdmi->ddev = hdmi_register_display_sysfs(hdmi, NULL);
487 if (hdmi->ddev == NULL) {
488 pr_err("HDMI : register display sysfs failed.\n");
489 goto err_register_display;
494 hdmi->switchdev.name = "hdmi";
496 hdmi->switchdev.name = kzalloc(32, GFP_KERNEL);
497 memset((char *)hdmi->switchdev.name, 0, 32);
498 sprintf((char *)hdmi->switchdev.name, "hdmi%d", hdmi->id);
500 switch_dev_register(&(hdmi->switchdev));
503 ref_info[i].hdmi = hdmi;
507 err_register_display:
508 destroy_workqueue(hdmi->workqueue);
514 void rockchip_hdmi_unregister(struct hdmi *hdmi)
517 flush_workqueue(hdmi->workqueue);
518 destroy_workqueue(hdmi->workqueue);
520 switch_dev_unregister(&(hdmi->switchdev));
522 hdmi_unregister_display_sysfs(hdmi);
523 fb_destroy_modelist(&hdmi->edid.modelist);
524 kfree(hdmi->edid.audio);
525 if (hdmi->edid.specs) {
526 kfree(hdmi->edid.specs->modedb);
527 kfree(hdmi->edid.specs);
531 ref_info[hdmi->id].ref = 0;
532 ref_info[hdmi->id].hdmi = NULL;
538 int hdmi_get_hotplug(void)
540 if (ref_info[0].hdmi)
541 return ref_info[0].hdmi->hotplug;
543 return HDMI_HPD_REMOVED;
546 int hdmi_config_audio(struct hdmi_audio *audio)
552 return HDMI_ERROR_FALSE;
554 for (i = 0; i < HDMI_MAX_ID; i++) {
555 if (ref_info[i].ref == 0)
557 hdmi = ref_info[i].hdmi;
560 if (memcmp(audio, &hdmi->audio, sizeof(struct hdmi_audio)) == 0)
563 /*for (j = 0; j < hdmi->edid.audio_num; j++) {
564 if (audio->type == hdmi->edid.audio_num)
568 /*if ( (j == hdmi->edid.audio_num) ||
569 (audio->channel > hdmi->edid.audio[j].channel) ||
570 ((audio->rate & hdmi->edid.audio[j].rate) == 0)||
571 ((audio->type == HDMI_AUDIO_LPCM) &&
572 ((audio->word_length &
573 hdmi->edid.audio[j].word_length) == 0)) ) {
574 pr_warn("[%s] warning : input audio type
575 not supported in hdmi sink\n", __func__);
578 memcpy(&hdmi->audio, audio, sizeof(struct hdmi_audio));
579 hdmi_submit_work(hdmi, HDMI_SET_AUDIO, 0, NULL);
584 void hdmi_audio_mute(int mute)
589 for (i = 0; i < HDMI_MAX_ID; i++) {
590 if (ref_info[i].ref == 0)
592 hdmi = ref_info[i].hdmi;
595 hdmi_submit_work(hdmi, HDMI_MUTE_AUDIO, 0, NULL);
597 hdmi_submit_work(hdmi, HDMI_UNMUTE_AUDIO, 0, NULL);
601 static int __init bootloader_setup(char *str)
604 pr_info("hdmi init vic is %s\n", str);
605 if (kstrtoint(str, 0, &uboot_vic) < 0)
611 early_param("hdmi.vic", bootloader_setup);
613 static int __init hdmi_class_init(void)
617 for (i = 0; i < HDMI_MAX_ID; i++) {
620 ref_info[i].hdmi = NULL;
622 pr_info("Rockchip hdmi driver version 2.0\n.");
626 subsys_initcall(hdmi_class_init);