1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * DesignWare High-Definition Multimedia Interface (HDMI) driver
5  * Copyright (C) 2013-2015 Mentor Graphics Inc.
6  * Copyright (C) 2011-2013 Freescale Semiconductor, Inc.
12 #include <linux/hdmi.h>
20 #include <linux/dma-mapping.h>
23 #include <media/cec-notifier.h>
25 #include <uapi/linux/media-bus-format.h>
38 #include "dw-hdmi-audio.h"
39 #include "dw-hdmi-cec.h"
40 #include "dw-hdmi.h"
47 /* DW-HDMI Controller >= 0x200a are at least compliant with SCDC version 1 */
125 	int (*configure)(struct dw_hdmi *hdmi,
171 	enum drm_connector_force force;	/* mutex-protected force state */
191 	void (*enable_audio)(struct dw_hdmi *hdmi);
192 	void (*disable_audio)(struct dw_hdmi *hdmi);
210 static inline void hdmi_writeb(struct dw_hdmi *hdmi, u8 val, int offset)  in hdmi_writeb()  argument
212 	regmap_write(hdmi->regm, offset << hdmi->reg_shift, val);  in hdmi_writeb()
215 static inline u8 hdmi_readb(struct dw_hdmi *hdmi, int offset)  in hdmi_readb()  argument
219 	regmap_read(hdmi->regm, offset << hdmi->reg_shift, &val);  in hdmi_readb()
224 static void handle_plugged_change(struct dw_hdmi *hdmi, bool plugged)  in handle_plugged_change()  argument
226 	if (hdmi->plugged_cb && hdmi->codec_dev)  in handle_plugged_change()
227 		hdmi->plugged_cb(hdmi->codec_dev, plugged);  in handle_plugged_change()
230 int dw_hdmi_set_plugged_cb(struct dw_hdmi *hdmi, hdmi_codec_plugged_cb fn,  in dw_hdmi_set_plugged_cb()  argument
235 	mutex_lock(&hdmi->mutex);  in dw_hdmi_set_plugged_cb()
236 	hdmi->plugged_cb = fn;  in dw_hdmi_set_plugged_cb()
237 	hdmi->codec_dev = codec_dev;  in dw_hdmi_set_plugged_cb()
238 	plugged = hdmi->last_connector_result == connector_status_connected;  in dw_hdmi_set_plugged_cb()
239 	handle_plugged_change(hdmi, plugged);  in dw_hdmi_set_plugged_cb()
240 	mutex_unlock(&hdmi->mutex);  in dw_hdmi_set_plugged_cb()
246 static void hdmi_modb(struct dw_hdmi *hdmi, u8 data, u8 mask, unsigned reg)  in hdmi_modb()  argument
248 	regmap_update_bits(hdmi->regm, reg << hdmi->reg_shift, mask, data);  in hdmi_modb()
251 static void hdmi_mask_writeb(struct dw_hdmi *hdmi, u8 data, unsigned int reg,  in hdmi_mask_writeb()  argument
254 	hdmi_modb(hdmi, data << shift, mask, reg);  in hdmi_mask_writeb()
257 static void dw_hdmi_i2c_init(struct dw_hdmi *hdmi)  in dw_hdmi_i2c_init()  argument
259 	hdmi_writeb(hdmi, HDMI_PHY_I2CM_INT_ADDR_DONE_POL,  in dw_hdmi_i2c_init()
262 	hdmi_writeb(hdmi, HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL |  in dw_hdmi_i2c_init()
267 	hdmi_writeb(hdmi, 0x00, HDMI_I2CM_SOFTRSTZ);  in dw_hdmi_i2c_init()
270 	hdmi_writeb(hdmi, 0x00, HDMI_I2CM_DIV);  in dw_hdmi_i2c_init()
273 	hdmi_writeb(hdmi, HDMI_I2CM_INT_DONE_POL, HDMI_I2CM_INT);  in dw_hdmi_i2c_init()
274 	hdmi_writeb(hdmi, HDMI_I2CM_CTLINT_NAC_POL | HDMI_I2CM_CTLINT_ARB_POL,  in dw_hdmi_i2c_init()
278 	hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE,  in dw_hdmi_i2c_init()
282 	hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE,  in dw_hdmi_i2c_init()
286 static bool dw_hdmi_i2c_unwedge(struct dw_hdmi *hdmi)  in dw_hdmi_i2c_unwedge()  argument
289 	if (!hdmi->unwedge_state)  in dw_hdmi_i2c_unwedge()
292 	dev_info(hdmi->dev, "Attempting to unwedge stuck i2c bus\n");  in dw_hdmi_i2c_unwedge()
312 	 * its HDMI ports.  It happened when the TV was powered on while the  in dw_hdmi_i2c_unwedge()
326 	pinctrl_select_state(hdmi->pinctrl, hdmi->unwedge_state);  in dw_hdmi_i2c_unwedge()
328 	pinctrl_select_state(hdmi->pinctrl, hdmi->default_state);  in dw_hdmi_i2c_unwedge()
333 static int dw_hdmi_i2c_wait(struct dw_hdmi *hdmi)  in dw_hdmi_i2c_wait()  argument
335 	struct dw_hdmi_i2c *i2c = hdmi->i2c;  in dw_hdmi_i2c_wait()
338 	stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10);  in dw_hdmi_i2c_wait()
341 		if (!dw_hdmi_i2c_unwedge(hdmi))  in dw_hdmi_i2c_wait()
342 			return -EAGAIN;  in dw_hdmi_i2c_wait()
345 		stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10);  in dw_hdmi_i2c_wait()
347 			return -EAGAIN;  in dw_hdmi_i2c_wait()
351 	if (i2c->stat & HDMI_IH_I2CM_STAT0_ERROR)  in dw_hdmi_i2c_wait()
352 		return -EIO;  in dw_hdmi_i2c_wait()
357 static int dw_hdmi_i2c_read(struct dw_hdmi *hdmi,  in dw_hdmi_i2c_read()  argument
360 	struct dw_hdmi_i2c *i2c = hdmi->i2c;  in dw_hdmi_i2c_read()
363 	if (!i2c->is_regaddr) {  in dw_hdmi_i2c_read()
364 		dev_dbg(hdmi->dev, "set read register address to 0\n");  in dw_hdmi_i2c_read()
365 		i2c->slave_reg = 0x00;  in dw_hdmi_i2c_read()
366 		i2c->is_regaddr = true;  in dw_hdmi_i2c_read()
369 	while (length--) {  in dw_hdmi_i2c_read()
370 		reinit_completion(&i2c->cmp);  in dw_hdmi_i2c_read()
372 		hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS);  in dw_hdmi_i2c_read()
373 		if (i2c->is_segment)  in dw_hdmi_i2c_read()
374 			hdmi_writeb(hdmi, HDMI_I2CM_OPERATION_READ_EXT,  in dw_hdmi_i2c_read()
377 			hdmi_writeb(hdmi, HDMI_I2CM_OPERATION_READ,  in dw_hdmi_i2c_read()
380 		ret = dw_hdmi_i2c_wait(hdmi);  in dw_hdmi_i2c_read()
384 		*buf++ = hdmi_readb(hdmi, HDMI_I2CM_DATAI);  in dw_hdmi_i2c_read()
386 	i2c->is_segment = false;  in dw_hdmi_i2c_read()
391 static int dw_hdmi_i2c_write(struct dw_hdmi *hdmi,  in dw_hdmi_i2c_write()  argument
394 	struct dw_hdmi_i2c *i2c = hdmi->i2c;  in dw_hdmi_i2c_write()
397 	if (!i2c->is_regaddr) {  in dw_hdmi_i2c_write()
399 		i2c->slave_reg = buf[0];  in dw_hdmi_i2c_write()
400 		length--;  in dw_hdmi_i2c_write()
402 		i2c->is_regaddr = true;  in dw_hdmi_i2c_write()
405 	while (length--) {  in dw_hdmi_i2c_write()
406 		reinit_completion(&i2c->cmp);  in dw_hdmi_i2c_write()
408 		hdmi_writeb(hdmi, *buf++, HDMI_I2CM_DATAO);  in dw_hdmi_i2c_write()
409 		hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS);  in dw_hdmi_i2c_write()
410 		hdmi_writeb(hdmi, HDMI_I2CM_OPERATION_WRITE,  in dw_hdmi_i2c_write()
413 		ret = dw_hdmi_i2c_wait(hdmi);  in dw_hdmi_i2c_write()
424 	struct dw_hdmi *hdmi = i2c_get_adapdata(adap);  in dw_hdmi_i2c_xfer()  local
425 	struct dw_hdmi_i2c *i2c = hdmi->i2c;  in dw_hdmi_i2c_xfer()
431 		 * The internal I2C controller does not support the multi-byte  in dw_hdmi_i2c_xfer()
436 		return -EOPNOTSUPP;  in dw_hdmi_i2c_xfer()
438 	dev_dbg(hdmi->dev, "xfer: num: %d, addr: %#x\n", num, addr);  in dw_hdmi_i2c_xfer()
442 			dev_dbg(hdmi->dev,  in dw_hdmi_i2c_xfer()
445 			return -EOPNOTSUPP;  in dw_hdmi_i2c_xfer()
449 	mutex_lock(&i2c->lock);  in dw_hdmi_i2c_xfer()
452 	hdmi_writeb(hdmi, 0x00, HDMI_IH_MUTE_I2CM_STAT0);  in dw_hdmi_i2c_xfer()
455 	hdmi_writeb(hdmi, addr, HDMI_I2CM_SLAVE);  in dw_hdmi_i2c_xfer()
458 	i2c->is_regaddr = false;  in dw_hdmi_i2c_xfer()
461 	i2c->is_segment = false;  in dw_hdmi_i2c_xfer()
464 		dev_dbg(hdmi->dev, "xfer: num: %d/%d, len: %d, flags: %#x\n",  in dw_hdmi_i2c_xfer()
467 			i2c->is_segment = true;  in dw_hdmi_i2c_xfer()
468 			hdmi_writeb(hdmi, DDC_SEGMENT_ADDR, HDMI_I2CM_SEGADDR);  in dw_hdmi_i2c_xfer()
469 			hdmi_writeb(hdmi, *msgs[i].buf, HDMI_I2CM_SEGPTR);  in dw_hdmi_i2c_xfer()
472 				ret = dw_hdmi_i2c_read(hdmi, msgs[i].buf,  in dw_hdmi_i2c_xfer()
475 				ret = dw_hdmi_i2c_write(hdmi, msgs[i].buf,  in dw_hdmi_i2c_xfer()
486 	hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE,  in dw_hdmi_i2c_xfer()
489 	mutex_unlock(&i2c->lock);  in dw_hdmi_i2c_xfer()
504 static struct i2c_adapter *dw_hdmi_i2c_adapter(struct dw_hdmi *hdmi)  in dw_hdmi_i2c_adapter()  argument
510 	i2c = devm_kzalloc(hdmi->dev, sizeof(*i2c), GFP_KERNEL);  in dw_hdmi_i2c_adapter()
512 		return ERR_PTR(-ENOMEM);  in dw_hdmi_i2c_adapter()
514 	mutex_init(&i2c->lock);  in dw_hdmi_i2c_adapter()
515 	init_completion(&i2c->cmp);  in dw_hdmi_i2c_adapter()
517 	adap = &i2c->adap;  in dw_hdmi_i2c_adapter()
518 	adap->class = I2C_CLASS_DDC;  in dw_hdmi_i2c_adapter()
519 	adap->owner = THIS_MODULE;  in dw_hdmi_i2c_adapter()
520 	adap->dev.parent = hdmi->dev;  in dw_hdmi_i2c_adapter()
521 	adap->algo = &dw_hdmi_algorithm;  in dw_hdmi_i2c_adapter()
522 	strscpy(adap->name, "DesignWare HDMI", sizeof(adap->name));  in dw_hdmi_i2c_adapter()
523 	i2c_set_adapdata(adap, hdmi);  in dw_hdmi_i2c_adapter()
527 		dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name);  in dw_hdmi_i2c_adapter()
528 		devm_kfree(hdmi->dev, i2c);  in dw_hdmi_i2c_adapter()
532 	hdmi->i2c = i2c;  in dw_hdmi_i2c_adapter()
534 	dev_info(hdmi->dev, "registered %s I2C bus driver\n", adap->name);  in dw_hdmi_i2c_adapter()
539 static void hdmi_set_cts_n(struct dw_hdmi *hdmi, unsigned int cts,  in hdmi_set_cts_n()  argument
543 	hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3);  in hdmi_set_cts_n()
546 	hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_N_SHIFT_MASK, HDMI_AUD_CTS3);  in hdmi_set_cts_n()
550 		hdmi_writeb(hdmi, ((cts >> 16) &  in hdmi_set_cts_n()
555 		hdmi_writeb(hdmi, 0, HDMI_AUD_CTS3);  in hdmi_set_cts_n()
556 	hdmi_writeb(hdmi, (cts >> 8) & 0xff, HDMI_AUD_CTS2);  in hdmi_set_cts_n()
557 	hdmi_writeb(hdmi, cts & 0xff, HDMI_AUD_CTS1);  in hdmi_set_cts_n()
559 	hdmi_writeb(hdmi, (n >> 16) & 0x0f, HDMI_AUD_N3);  in hdmi_set_cts_n()
560 	hdmi_writeb(hdmi, (n >> 8) & 0xff, HDMI_AUD_N2);  in hdmi_set_cts_n()
561 	hdmi_writeb(hdmi, n & 0xff, HDMI_AUD_N1);  in hdmi_set_cts_n()
634 void dw_hdmi_set_channel_status(struct dw_hdmi *hdmi,  in dw_hdmi_set_channel_status()  argument
641 	hdmi_writeb(hdmi, channel_status[3], HDMI_FC_AUDSCHNLS7);  in dw_hdmi_set_channel_status()
642 	hdmi_writeb(hdmi, channel_status[4], HDMI_FC_AUDSCHNLS8);  in dw_hdmi_set_channel_status()
646 static void hdmi_set_clk_regenerator(struct dw_hdmi *hdmi,  in hdmi_set_clk_regenerator()  argument
656 	config3 = hdmi_readb(hdmi, HDMI_CONFIG3_ID);  in hdmi_set_clk_regenerator()
662 		 * can be up to 20 bits in total, so we need 64-bit math.  Also  in hdmi_set_clk_regenerator()
671 		dev_dbg(hdmi->dev, "%s: fs=%uHz ftdms=%lu.%03luMHz N=%d cts=%d\n",  in hdmi_set_clk_regenerator()
679 	spin_lock_irq(&hdmi->audio_lock);  in hdmi_set_clk_regenerator()
680 	hdmi->audio_n = n;  in hdmi_set_clk_regenerator()
681 	hdmi->audio_cts = cts;  in hdmi_set_clk_regenerator()
682 	hdmi_set_cts_n(hdmi, cts, hdmi->audio_enable ? n : 0);  in hdmi_set_clk_regenerator()
683 	spin_unlock_irq(&hdmi->audio_lock);  in hdmi_set_clk_regenerator()
686 static void hdmi_init_clk_regenerator(struct dw_hdmi *hdmi)  in hdmi_init_clk_regenerator()  argument
688 	mutex_lock(&hdmi->audio_mutex);  in hdmi_init_clk_regenerator()
689 	hdmi_set_clk_regenerator(hdmi, 74250000, hdmi->sample_rate);  in hdmi_init_clk_regenerator()
690 	mutex_unlock(&hdmi->audio_mutex);  in hdmi_init_clk_regenerator()
693 static void hdmi_clk_regenerator_update_pixel_clock(struct dw_hdmi *hdmi)  in hdmi_clk_regenerator_update_pixel_clock()  argument
695 	mutex_lock(&hdmi->audio_mutex);  in hdmi_clk_regenerator_update_pixel_clock()
696 	hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mtmdsclock,  in hdmi_clk_regenerator_update_pixel_clock()
697 				 hdmi->sample_rate);  in hdmi_clk_regenerator_update_pixel_clock()
698 	mutex_unlock(&hdmi->audio_mutex);  in hdmi_clk_regenerator_update_pixel_clock()
701 void dw_hdmi_set_sample_width(struct dw_hdmi *hdmi, unsigned int width)  in dw_hdmi_set_sample_width()  argument
703 	mutex_lock(&hdmi->audio_mutex);  in dw_hdmi_set_sample_width()
704 	hdmi->sample_width = width;  in dw_hdmi_set_sample_width()
705 	mutex_unlock(&hdmi->audio_mutex);  in dw_hdmi_set_sample_width()
709 void dw_hdmi_set_sample_non_pcm(struct dw_hdmi *hdmi, unsigned int non_pcm)  in dw_hdmi_set_sample_non_pcm()  argument
711 	mutex_lock(&hdmi->audio_mutex);  in dw_hdmi_set_sample_non_pcm()
712 	hdmi->sample_non_pcm = non_pcm;  in dw_hdmi_set_sample_non_pcm()
713 	mutex_unlock(&hdmi->audio_mutex);  in dw_hdmi_set_sample_non_pcm()
717 void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate)  in dw_hdmi_set_sample_rate()  argument
719 	mutex_lock(&hdmi->audio_mutex);  in dw_hdmi_set_sample_rate()
720 	hdmi->sample_rate = rate;  in dw_hdmi_set_sample_rate()
721 	hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mtmdsclock,  in dw_hdmi_set_sample_rate()
722 				 hdmi->sample_rate);  in dw_hdmi_set_sample_rate()
723 	mutex_unlock(&hdmi->audio_mutex);  in dw_hdmi_set_sample_rate()
727 void dw_hdmi_set_channel_count(struct dw_hdmi *hdmi, unsigned int cnt)  in dw_hdmi_set_channel_count()  argument
731 	mutex_lock(&hdmi->audio_mutex);  in dw_hdmi_set_channel_count()
732 	hdmi->channels = cnt;  in dw_hdmi_set_channel_count()
743 	hdmi_modb(hdmi, layout, HDMI_FC_AUDSCONF_AUD_PACKET_LAYOUT_MASK,  in dw_hdmi_set_channel_count()
747 	hdmi_modb(hdmi, (cnt - 1) << HDMI_FC_AUDICONF0_CC_OFFSET,  in dw_hdmi_set_channel_count()
750 	mutex_unlock(&hdmi->audio_mutex);  in dw_hdmi_set_channel_count()
754 void dw_hdmi_set_channel_allocation(struct dw_hdmi *hdmi, unsigned int ca)  in dw_hdmi_set_channel_allocation()  argument
756 	mutex_lock(&hdmi->audio_mutex);  in dw_hdmi_set_channel_allocation()
758 	hdmi_writeb(hdmi, ca, HDMI_FC_AUDICONF2);  in dw_hdmi_set_channel_allocation()
760 	mutex_unlock(&hdmi->audio_mutex);  in dw_hdmi_set_channel_allocation()
764 static void hdmi_enable_audio_clk(struct dw_hdmi *hdmi, bool enable)  in hdmi_enable_audio_clk()  argument
767 		hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_AUDCLK_DISABLE;  in hdmi_enable_audio_clk()
769 		hdmi->mc_clkdis |= HDMI_MC_CLKDIS_AUDCLK_DISABLE;  in hdmi_enable_audio_clk()
770 	hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);  in hdmi_enable_audio_clk()
773 static u8 *hdmi_audio_get_eld(struct dw_hdmi *hdmi)  in hdmi_audio_get_eld()  argument
775 	if (!hdmi->curr_conn)  in hdmi_audio_get_eld()
778 	return hdmi->curr_conn->eld;  in hdmi_audio_get_eld()
781 static void dw_hdmi_gp_audio_enable(struct dw_hdmi *hdmi)  in dw_hdmi_gp_audio_enable()  argument
783 	const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;  in dw_hdmi_gp_audio_enable()
785 	int ch_mask = BIT(hdmi->channels) - 1;  in dw_hdmi_gp_audio_enable()
787 	switch (hdmi->sample_rate) {  in dw_hdmi_gp_audio_enable()
820 	hdmi_set_cts_n(hdmi, hdmi->audio_cts, hdmi->audio_n);  in dw_hdmi_gp_audio_enable()
821 	hdmi_enable_audio_clk(hdmi, true);  in dw_hdmi_gp_audio_enable()
823 	hdmi_writeb(hdmi, 0x1, HDMI_FC_AUDSCHNLS0);  in dw_hdmi_gp_audio_enable()
824 	hdmi_writeb(hdmi, hdmi->channels, HDMI_FC_AUDSCHNLS2);  in dw_hdmi_gp_audio_enable()
825 	hdmi_writeb(hdmi, 0x22, HDMI_FC_AUDSCHNLS3);  in dw_hdmi_gp_audio_enable()
826 	hdmi_writeb(hdmi, 0x22, HDMI_FC_AUDSCHNLS4);  in dw_hdmi_gp_audio_enable()
827 	hdmi_writeb(hdmi, 0x11, HDMI_FC_AUDSCHNLS5);  in dw_hdmi_gp_audio_enable()
828 	hdmi_writeb(hdmi, 0x11, HDMI_FC_AUDSCHNLS6);  in dw_hdmi_gp_audio_enable()
829 	hdmi_writeb(hdmi, (0x3 << 4) | sample_freq, HDMI_FC_AUDSCHNLS7);  in dw_hdmi_gp_audio_enable()
830 	hdmi_writeb(hdmi, (org_sample_freq << 4) | 0xb, HDMI_FC_AUDSCHNLS8);  in dw_hdmi_gp_audio_enable()
832 	hdmi_writeb(hdmi, ch_mask, HDMI_GP_CONF1);  in dw_hdmi_gp_audio_enable()
833 	hdmi_writeb(hdmi, 0x02, HDMI_GP_CONF2);  in dw_hdmi_gp_audio_enable()
834 	hdmi_writeb(hdmi, 0x01, HDMI_GP_CONF0);  in dw_hdmi_gp_audio_enable()
836 	hdmi_modb(hdmi,  0x3, 0x3, HDMI_FC_DATAUTO3);  in dw_hdmi_gp_audio_enable()
839 	if (hdmi->sample_rate == 192000 && hdmi->channels == 8 &&  in dw_hdmi_gp_audio_enable()
840 	    hdmi->sample_width == 32 && hdmi->sample_non_pcm)  in dw_hdmi_gp_audio_enable()
841 		hdmi_modb(hdmi, 0x01, 0x01, HDMI_GP_CONF2);  in dw_hdmi_gp_audio_enable()
843 	if (pdata->enable_audio)  in dw_hdmi_gp_audio_enable()
844 		pdata->enable_audio(hdmi,  in dw_hdmi_gp_audio_enable()
845 				    hdmi->channels,  in dw_hdmi_gp_audio_enable()
846 				    hdmi->sample_width,  in dw_hdmi_gp_audio_enable()
847 				    hdmi->sample_rate,  in dw_hdmi_gp_audio_enable()
848 				    hdmi->sample_non_pcm);  in dw_hdmi_gp_audio_enable()
851 static void dw_hdmi_gp_audio_disable(struct dw_hdmi *hdmi)  in dw_hdmi_gp_audio_disable()  argument
853 	const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;  in dw_hdmi_gp_audio_disable()
855 	hdmi_set_cts_n(hdmi, hdmi->audio_cts, 0);  in dw_hdmi_gp_audio_disable()
857 	hdmi_modb(hdmi,  0, 0x3, HDMI_FC_DATAUTO3);  in dw_hdmi_gp_audio_disable()
858 	if (pdata->disable_audio)  in dw_hdmi_gp_audio_disable()
859 		pdata->disable_audio(hdmi);  in dw_hdmi_gp_audio_disable()
861 	hdmi_enable_audio_clk(hdmi, false);  in dw_hdmi_gp_audio_disable()
864 static void dw_hdmi_ahb_audio_enable(struct dw_hdmi *hdmi)  in dw_hdmi_ahb_audio_enable()  argument
866 	hdmi_set_cts_n(hdmi, hdmi->audio_cts, hdmi->audio_n);  in dw_hdmi_ahb_audio_enable()
869 static void dw_hdmi_ahb_audio_disable(struct dw_hdmi *hdmi)  in dw_hdmi_ahb_audio_disable()  argument
871 	hdmi_set_cts_n(hdmi, hdmi->audio_cts, 0);  in dw_hdmi_ahb_audio_disable()
874 static void dw_hdmi_i2s_audio_enable(struct dw_hdmi *hdmi)  in dw_hdmi_i2s_audio_enable()  argument
876 	hdmi_set_cts_n(hdmi, hdmi->audio_cts, hdmi->audio_n);  in dw_hdmi_i2s_audio_enable()
877 	hdmi_enable_audio_clk(hdmi, true);  in dw_hdmi_i2s_audio_enable()
880 static void dw_hdmi_i2s_audio_disable(struct dw_hdmi *hdmi)  in dw_hdmi_i2s_audio_disable()  argument
882 	hdmi_enable_audio_clk(hdmi, false);  in dw_hdmi_i2s_audio_disable()
885 void dw_hdmi_audio_enable(struct dw_hdmi *hdmi)  in dw_hdmi_audio_enable()  argument
889 	spin_lock_irqsave(&hdmi->audio_lock, flags);  in dw_hdmi_audio_enable()
890 	hdmi->audio_enable = true;  in dw_hdmi_audio_enable()
891 	if (hdmi->enable_audio)  in dw_hdmi_audio_enable()
892 		hdmi->enable_audio(hdmi);  in dw_hdmi_audio_enable()
893 	spin_unlock_irqrestore(&hdmi->audio_lock, flags);  in dw_hdmi_audio_enable()
897 void dw_hdmi_audio_disable(struct dw_hdmi *hdmi)  in dw_hdmi_audio_disable()  argument
901 	spin_lock_irqsave(&hdmi->audio_lock, flags);  in dw_hdmi_audio_disable()
902 	hdmi->audio_enable = false;  in dw_hdmi_audio_disable()
903 	if (hdmi->disable_audio)  in dw_hdmi_audio_disable()
904 		hdmi->disable_audio(hdmi);  in dw_hdmi_audio_disable()
905 	spin_unlock_irqrestore(&hdmi->audio_lock, flags);  in dw_hdmi_audio_disable()
1002 static void hdmi_video_sample(struct dw_hdmi *hdmi)  in hdmi_video_sample()  argument
1007 	switch (hdmi->hdmi_data.enc_in_bus_format) {  in hdmi_video_sample()
1055 	hdmi_writeb(hdmi, val, HDMI_TX_INVID0);  in hdmi_video_sample()
1061 	hdmi_writeb(hdmi, val, HDMI_TX_INSTUFFING);  in hdmi_video_sample()
1062 	hdmi_writeb(hdmi, 0x0, HDMI_TX_GYDATA0);  in hdmi_video_sample()
1063 	hdmi_writeb(hdmi, 0x0, HDMI_TX_GYDATA1);  in hdmi_video_sample()
1064 	hdmi_writeb(hdmi, 0x0, HDMI_TX_RCRDATA0);  in hdmi_video_sample()
1065 	hdmi_writeb(hdmi, 0x0, HDMI_TX_RCRDATA1);  in hdmi_video_sample()
1066 	hdmi_writeb(hdmi, 0x0, HDMI_TX_BCBDATA0);  in hdmi_video_sample()
1067 	hdmi_writeb(hdmi, 0x0, HDMI_TX_BCBDATA1);  in hdmi_video_sample()
1070 static int is_color_space_conversion(struct dw_hdmi *hdmi)  in is_color_space_conversion()  argument
1072 	struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data;  in is_color_space_conversion()
1075 	is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_in_bus_format);  in is_color_space_conversion()
1076 	is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_out_bus_format);  in is_color_space_conversion()
1079 	       (is_input_rgb && is_output_rgb && hdmi_data->rgb_limited_range);  in is_color_space_conversion()
1082 static int is_color_space_decimation(struct dw_hdmi *hdmi)  in is_color_space_decimation()  argument
1084 	if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))  in is_color_space_decimation()
1087 	if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format) ||  in is_color_space_decimation()
1088 	    hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_in_bus_format))  in is_color_space_decimation()
1094 static int is_color_space_interpolation(struct dw_hdmi *hdmi)  in is_color_space_interpolation()  argument
1096 	if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_in_bus_format))  in is_color_space_interpolation()
1099 	if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) ||  in is_color_space_interpolation()
1100 	    hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))  in is_color_space_interpolation()
1106 static bool is_csc_needed(struct dw_hdmi *hdmi)  in is_csc_needed()  argument
1108 	return is_color_space_conversion(hdmi) ||  in is_csc_needed()
1109 	       is_color_space_decimation(hdmi) ||  in is_csc_needed()
1110 	       is_color_space_interpolation(hdmi);  in is_csc_needed()
1113 static void dw_hdmi_update_csc_coeffs(struct dw_hdmi *hdmi)  in dw_hdmi_update_csc_coeffs()  argument
1120 	is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format);  in dw_hdmi_update_csc_coeffs()
1121 	is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format);  in dw_hdmi_update_csc_coeffs()
1124 		if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601)  in dw_hdmi_update_csc_coeffs()
1129 		if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601)  in dw_hdmi_update_csc_coeffs()
1135 		   hdmi->hdmi_data.rgb_limited_range) {  in dw_hdmi_update_csc_coeffs()
1145 		hdmi_writeb(hdmi, coeff_a & 0xff, HDMI_CSC_COEF_A1_LSB + i * 2);  in dw_hdmi_update_csc_coeffs()
1146 		hdmi_writeb(hdmi, coeff_a >> 8, HDMI_CSC_COEF_A1_MSB + i * 2);  in dw_hdmi_update_csc_coeffs()
1147 		hdmi_writeb(hdmi, coeff_b & 0xff, HDMI_CSC_COEF_B1_LSB + i * 2);  in dw_hdmi_update_csc_coeffs()
1148 		hdmi_writeb(hdmi, coeff_b >> 8, HDMI_CSC_COEF_B1_MSB + i * 2);  in dw_hdmi_update_csc_coeffs()
1149 		hdmi_writeb(hdmi, coeff_c & 0xff, HDMI_CSC_COEF_C1_LSB + i * 2);  in dw_hdmi_update_csc_coeffs()
1150 		hdmi_writeb(hdmi, coeff_c >> 8, HDMI_CSC_COEF_C1_MSB + i * 2);  in dw_hdmi_update_csc_coeffs()
1153 	hdmi_modb(hdmi, csc_scale, HDMI_CSC_SCALE_CSCSCALE_MASK,  in dw_hdmi_update_csc_coeffs()
1157 static void hdmi_video_csc(struct dw_hdmi *hdmi)  in hdmi_video_csc()  argument
1164 	if (is_color_space_interpolation(hdmi))  in hdmi_video_csc()
1166 	else if (is_color_space_decimation(hdmi))  in hdmi_video_csc()
1169 	switch (hdmi_bus_fmt_color_depth(hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_video_csc()
1188 	hdmi_writeb(hdmi, interpolation | decimation, HDMI_CSC_CFG);  in hdmi_video_csc()
1189 	hdmi_modb(hdmi, color_depth, HDMI_CSC_SCALE_CSC_COLORDE_PTH_MASK,  in hdmi_video_csc()
1192 	dw_hdmi_update_csc_coeffs(hdmi);  in hdmi_video_csc()
1196  * HDMI video packetizer is used to packetize the data.
1200 static void hdmi_video_packetize(struct dw_hdmi *hdmi)  in hdmi_video_packetize()  argument
1205 	struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data;  in hdmi_video_packetize()
1210 	if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) ||  in hdmi_video_packetize()
1211 	    hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format) ||  in hdmi_video_packetize()
1212 	    hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_video_packetize()
1214 					hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_video_packetize()
1232 	} else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_video_packetize()
1234 					hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_video_packetize()
1258 		((hdmi_data->pix_repet_factor <<  in hdmi_video_packetize()
1261 	hdmi_writeb(hdmi, val, HDMI_VP_PR_CD);  in hdmi_video_packetize()
1264 	 * Source shall only send GCPs with non-zero CD to sinks  in hdmi_video_packetize()
1267 	 * Disable Auto GCP when 24-bit color for sinks that not support Deep Color.  in hdmi_video_packetize()
1269 	val = hdmi_readb(hdmi, HDMI_FC_DATAUTO3);  in hdmi_video_packetize()
1274 	hdmi_writeb(hdmi, val, HDMI_FC_DATAUTO3);  in hdmi_video_packetize()
1276 	hdmi_modb(hdmi, HDMI_VP_STUFF_PR_STUFFING_STUFFING_MODE,  in hdmi_video_packetize()
1280 	if (hdmi_data->pix_repet_factor > 1) {  in hdmi_video_packetize()
1288 	hdmi_modb(hdmi, vp_conf,  in hdmi_video_packetize()
1292 	hdmi_modb(hdmi, 1 << HDMI_VP_STUFF_IDEFAULT_PHASE_OFFSET,  in hdmi_video_packetize()
1295 	hdmi_writeb(hdmi, remap_size, HDMI_VP_REMAP);  in hdmi_video_packetize()
1313 	hdmi_modb(hdmi, vp_conf,  in hdmi_video_packetize()
1317 	hdmi_modb(hdmi, HDMI_VP_STUFF_PP_STUFFING_STUFFING_MODE |  in hdmi_video_packetize()
1322 	hdmi_modb(hdmi, output_select, HDMI_VP_CONF_OUTPUT_SELECTOR_MASK,  in hdmi_video_packetize()
1326 /* -----------------------------------------------------------------------------
1330 static inline void hdmi_phy_test_clear(struct dw_hdmi *hdmi,  in hdmi_phy_test_clear()  argument
1333 	hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTCLR_OFFSET,  in hdmi_phy_test_clear()
1337 static bool hdmi_phy_wait_i2c_done(struct dw_hdmi *hdmi, int msec)  in hdmi_phy_wait_i2c_done()  argument
1341 	while ((val = hdmi_readb(hdmi, HDMI_IH_I2CMPHY_STAT0) & 0x3) == 0) {  in hdmi_phy_wait_i2c_done()
1342 		if (msec-- == 0)  in hdmi_phy_wait_i2c_done()
1346 	hdmi_writeb(hdmi, val, HDMI_IH_I2CMPHY_STAT0);  in hdmi_phy_wait_i2c_done()
1351 void dw_hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data,  in dw_hdmi_phy_i2c_write()  argument
1354 	hdmi_writeb(hdmi, 0xFF, HDMI_IH_I2CMPHY_STAT0);  in dw_hdmi_phy_i2c_write()
1355 	hdmi_writeb(hdmi, addr, HDMI_PHY_I2CM_ADDRESS_ADDR);  in dw_hdmi_phy_i2c_write()
1356 	hdmi_writeb(hdmi, (unsigned char)(data >> 8),  in dw_hdmi_phy_i2c_write()
1358 	hdmi_writeb(hdmi, (unsigned char)(data >> 0),  in dw_hdmi_phy_i2c_write()
1360 	hdmi_writeb(hdmi, HDMI_PHY_I2CM_OPERATION_ADDR_WRITE,  in dw_hdmi_phy_i2c_write()
1362 	hdmi_phy_wait_i2c_done(hdmi, 1000);  in dw_hdmi_phy_i2c_write()
1367 static bool dw_hdmi_support_scdc(struct dw_hdmi *hdmi,  in dw_hdmi_support_scdc()  argument
1371 	if (hdmi->version < 0x200a)  in dw_hdmi_support_scdc()
1375 	if (!hdmi->ddc)  in dw_hdmi_support_scdc()
1378 	/* Disable if SCDC is not supported, or if an HF-VSDB block is absent */  in dw_hdmi_support_scdc()
1379 	if (!display->hdmi.scdc.supported ||  in dw_hdmi_support_scdc()
1380 	    !display->hdmi.scdc.scrambling.supported)  in dw_hdmi_support_scdc()
1387 	if (!display->hdmi.scdc.scrambling.low_rates &&  in dw_hdmi_support_scdc()
1388 	    display->max_tmds_clock <= 340000)  in dw_hdmi_support_scdc()
1396  * - The Source shall suspend transmission of the TMDS clock and data
1397  * - The Source shall write to the TMDS_Bit_Clock_Ratio bit to change it
1399  * - The Source shall allow a minimum of 1 ms and a maximum of 100 ms from
1407 void dw_hdmi_set_high_tmds_clock_ratio(struct dw_hdmi *hdmi,  in dw_hdmi_set_high_tmds_clock_ratio()  argument
1410 	unsigned long mtmdsclock = hdmi->hdmi_data.video_mode.mtmdsclock;  in dw_hdmi_set_high_tmds_clock_ratio()
1412 	/* Control for TMDS Bit Period/TMDS Clock-Period Ratio */  in dw_hdmi_set_high_tmds_clock_ratio()
1413 	if (dw_hdmi_support_scdc(hdmi, display)) {  in dw_hdmi_set_high_tmds_clock_ratio()
1415 			drm_scdc_set_high_tmds_clock_ratio(hdmi->curr_conn, 1);  in dw_hdmi_set_high_tmds_clock_ratio()
1417 			drm_scdc_set_high_tmds_clock_ratio(hdmi->curr_conn, 0);  in dw_hdmi_set_high_tmds_clock_ratio()
1422 static void dw_hdmi_phy_enable_powerdown(struct dw_hdmi *hdmi, bool enable)  in dw_hdmi_phy_enable_powerdown()  argument
1424 	hdmi_mask_writeb(hdmi, !enable, HDMI_PHY_CONF0,  in dw_hdmi_phy_enable_powerdown()
1429 static void dw_hdmi_phy_enable_tmds(struct dw_hdmi *hdmi, u8 enable)  in dw_hdmi_phy_enable_tmds()  argument
1431 	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,  in dw_hdmi_phy_enable_tmds()
1436 static void dw_hdmi_phy_enable_svsret(struct dw_hdmi *hdmi, u8 enable)  in dw_hdmi_phy_enable_svsret()  argument
1438 	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,  in dw_hdmi_phy_enable_svsret()
1443 void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable)  in dw_hdmi_phy_gen2_pddq()  argument
1445 	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,  in dw_hdmi_phy_gen2_pddq()
1451 void dw_hdmi_phy_gen2_txpwron(struct dw_hdmi *hdmi, u8 enable)  in dw_hdmi_phy_gen2_txpwron()  argument
1453 	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,  in dw_hdmi_phy_gen2_txpwron()
1459 static void dw_hdmi_phy_sel_data_en_pol(struct dw_hdmi *hdmi, u8 enable)  in dw_hdmi_phy_sel_data_en_pol()  argument
1461 	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,  in dw_hdmi_phy_sel_data_en_pol()
1466 static void dw_hdmi_phy_sel_interface_control(struct dw_hdmi *hdmi, u8 enable)  in dw_hdmi_phy_sel_interface_control()  argument
1468 	hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,  in dw_hdmi_phy_sel_interface_control()
1473 void dw_hdmi_phy_gen1_reset(struct dw_hdmi *hdmi)  in dw_hdmi_phy_gen1_reset()  argument
1476 	hdmi_writeb(hdmi, 0, HDMI_MC_PHYRSTZ);  in dw_hdmi_phy_gen1_reset()
1477 	hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_PHYRSTZ, HDMI_MC_PHYRSTZ);  in dw_hdmi_phy_gen1_reset()
1481 void dw_hdmi_phy_gen2_reset(struct dw_hdmi *hdmi)  in dw_hdmi_phy_gen2_reset()  argument
1484 	hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_PHYRSTZ, HDMI_MC_PHYRSTZ);  in dw_hdmi_phy_gen2_reset()
1485 	hdmi_writeb(hdmi, 0, HDMI_MC_PHYRSTZ);  in dw_hdmi_phy_gen2_reset()
1489 void dw_hdmi_phy_i2c_set_addr(struct dw_hdmi *hdmi, u8 address)  in dw_hdmi_phy_i2c_set_addr()  argument
1491 	hdmi_phy_test_clear(hdmi, 1);  in dw_hdmi_phy_i2c_set_addr()
1492 	hdmi_writeb(hdmi, address, HDMI_PHY_I2CM_SLAVE_ADDR);  in dw_hdmi_phy_i2c_set_addr()
1493 	hdmi_phy_test_clear(hdmi, 0);  in dw_hdmi_phy_i2c_set_addr()
1497 static void dw_hdmi_phy_power_off(struct dw_hdmi *hdmi)  in dw_hdmi_phy_power_off()  argument
1499 	const struct dw_hdmi_phy_data *phy = hdmi->phy.data;  in dw_hdmi_phy_power_off()
1503 	if (phy->gen == 1) {  in dw_hdmi_phy_power_off()
1504 		dw_hdmi_phy_enable_tmds(hdmi, 0);  in dw_hdmi_phy_power_off()
1505 		dw_hdmi_phy_enable_powerdown(hdmi, true);  in dw_hdmi_phy_power_off()
1509 	dw_hdmi_phy_gen2_txpwron(hdmi, 0);  in dw_hdmi_phy_power_off()
1516 		val = hdmi_readb(hdmi, HDMI_PHY_STAT0);  in dw_hdmi_phy_power_off()
1524 		dev_warn(hdmi->dev, "PHY failed to power down\n");  in dw_hdmi_phy_power_off()
1526 		dev_dbg(hdmi->dev, "PHY powered down in %u iterations\n", i);  in dw_hdmi_phy_power_off()
1528 	dw_hdmi_phy_gen2_pddq(hdmi, 1);  in dw_hdmi_phy_power_off()
1531 static int dw_hdmi_phy_power_on(struct dw_hdmi *hdmi)  in dw_hdmi_phy_power_on()  argument
1533 	const struct dw_hdmi_phy_data *phy = hdmi->phy.data;  in dw_hdmi_phy_power_on()
1537 	if (phy->gen == 1) {  in dw_hdmi_phy_power_on()
1538 		dw_hdmi_phy_enable_powerdown(hdmi, false);  in dw_hdmi_phy_power_on()
1541 		dw_hdmi_phy_enable_tmds(hdmi, 0);  in dw_hdmi_phy_power_on()
1542 		dw_hdmi_phy_enable_tmds(hdmi, 1);  in dw_hdmi_phy_power_on()
1546 	dw_hdmi_phy_gen2_txpwron(hdmi, 1);  in dw_hdmi_phy_power_on()
1547 	dw_hdmi_phy_gen2_pddq(hdmi, 0);  in dw_hdmi_phy_power_on()
1551 		val = hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_TX_PHY_LOCK;  in dw_hdmi_phy_power_on()
1559 		dev_err(hdmi->dev, "PHY PLL failed to lock\n");  in dw_hdmi_phy_power_on()
1560 		return -ETIMEDOUT;  in dw_hdmi_phy_power_on()
1563 	dev_dbg(hdmi->dev, "PHY PLL locked %u iterations\n", i);  in dw_hdmi_phy_power_on()
1568  * PHY configuration function for the DWC HDMI 3D TX PHY. Based on the available
1572 static int hdmi_phy_configure_dwc_hdmi_3d_tx(struct dw_hdmi *hdmi,  in hdmi_phy_configure_dwc_hdmi_3d_tx()  argument
1576 	const struct dw_hdmi_mpll_config *mpll_config = pdata->mpll_cfg;  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1577 	const struct dw_hdmi_curr_ctrl *curr_ctrl = pdata->cur_ctr;  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1578 	const struct dw_hdmi_phy_config *phy_config = pdata->phy_config;  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1582 	/* PLL/MPLL Cfg - always match on final entry */  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1583 	for (; mpll_config->mpixelclock != ~0UL; mpll_config++)  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1584 		if (mpixelclock <= mpll_config->mpixelclock)  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1587 	for (; curr_ctrl->mpixelclock != ~0UL; curr_ctrl++)  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1588 		if (mpixelclock <= curr_ctrl->mpixelclock)  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1591 	for (; phy_config->mpixelclock != ~0UL; phy_config++)  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1592 		if (mpixelclock <= phy_config->mpixelclock)  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1595 	if (mpll_config->mpixelclock == ~0UL ||  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1596 	    curr_ctrl->mpixelclock == ~0UL ||  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1597 	    phy_config->mpixelclock == ~0UL)  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1598 		return -EINVAL;  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1600 	dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[0].cpce,  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1602 	dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[0].gmp,  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1604 	dw_hdmi_phy_i2c_write(hdmi, curr_ctrl->curr[0],  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1607 	dw_hdmi_phy_i2c_write(hdmi, 0, HDMI_3D_TX_PHY_PLLPHBYCTRL);  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1608 	dw_hdmi_phy_i2c_write(hdmi, HDMI_3D_TX_PHY_MSM_CTRL_CKO_SEL_FB_CLK,  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1611 	dw_hdmi_phy_i2c_write(hdmi, phy_config->term, HDMI_3D_TX_PHY_TXTERM);  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1612 	dw_hdmi_phy_i2c_write(hdmi, phy_config->sym_ctr,  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1614 	dw_hdmi_phy_i2c_write(hdmi, phy_config->vlev_ctr,  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1618 	dw_hdmi_phy_i2c_write(hdmi, HDMI_3D_TX_PHY_CKCALCTRL_OVERRIDE,  in hdmi_phy_configure_dwc_hdmi_3d_tx()
1624 static int hdmi_phy_configure(struct dw_hdmi *hdmi,  in hdmi_phy_configure()  argument
1627 	const struct dw_hdmi_phy_data *phy = hdmi->phy.data;  in hdmi_phy_configure()
1628 	const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;  in hdmi_phy_configure()
1629 	unsigned long mpixelclock = hdmi->hdmi_data.video_mode.mpixelclock;  in hdmi_phy_configure()
1630 	unsigned long mtmdsclock = hdmi->hdmi_data.video_mode.mtmdsclock;  in hdmi_phy_configure()
1633 	dw_hdmi_phy_power_off(hdmi);  in hdmi_phy_configure()
1635 	dw_hdmi_set_high_tmds_clock_ratio(hdmi, display);  in hdmi_phy_configure()
1638 	if (phy->has_svsret)  in hdmi_phy_configure()
1639 		dw_hdmi_phy_enable_svsret(hdmi, 1);  in hdmi_phy_configure()
1641 	dw_hdmi_phy_gen2_reset(hdmi);  in hdmi_phy_configure()
1643 	hdmi_writeb(hdmi, HDMI_MC_HEACPHY_RST_ASSERT, HDMI_MC_HEACPHY_RST);  in hdmi_phy_configure()
1645 	dw_hdmi_phy_i2c_set_addr(hdmi, HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2);  in hdmi_phy_configure()
1648 	if (pdata->configure_phy)  in hdmi_phy_configure()
1649 		ret = pdata->configure_phy(hdmi, pdata->priv_data, mpixelclock);  in hdmi_phy_configure()
1651 		ret = phy->configure(hdmi, pdata, mpixelclock);  in hdmi_phy_configure()
1653 		dev_err(hdmi->dev, "PHY configuration failed (clock %lu)\n",  in hdmi_phy_configure()
1662 	return dw_hdmi_phy_power_on(hdmi);  in hdmi_phy_configure()
1665 static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data,  in dw_hdmi_phy_init()  argument
1671 	/* HDMI Phy spec says to do the phy initialization sequence twice */  in dw_hdmi_phy_init()
1673 		dw_hdmi_phy_sel_data_en_pol(hdmi, 1);  in dw_hdmi_phy_init()
1674 		dw_hdmi_phy_sel_interface_control(hdmi, 0);  in dw_hdmi_phy_init()
1676 		ret = hdmi_phy_configure(hdmi, display);  in dw_hdmi_phy_init()
1684 static void dw_hdmi_phy_disable(struct dw_hdmi *hdmi, void *data)  in dw_hdmi_phy_disable()  argument
1686 	dw_hdmi_phy_power_off(hdmi);  in dw_hdmi_phy_disable()
1689 enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi,  in dw_hdmi_phy_read_hpd()  argument
1692 	return hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD ?  in dw_hdmi_phy_read_hpd()
1697 void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data,  in dw_hdmi_phy_update_hpd()  argument
1700 	u8 old_mask = hdmi->phy_mask;  in dw_hdmi_phy_update_hpd()
1703 		hdmi->phy_mask |= HDMI_PHY_RX_SENSE;  in dw_hdmi_phy_update_hpd()
1705 		hdmi->phy_mask &= ~HDMI_PHY_RX_SENSE;  in dw_hdmi_phy_update_hpd()
1707 	if (old_mask != hdmi->phy_mask)  in dw_hdmi_phy_update_hpd()
1708 		hdmi_writeb(hdmi, hdmi->phy_mask, HDMI_PHY_MASK0);  in dw_hdmi_phy_update_hpd()
1712 void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data)  in dw_hdmi_phy_setup_hpd()  argument
1718 	hdmi_writeb(hdmi, HDMI_PHY_HPD | HDMI_PHY_RX_SENSE, HDMI_PHY_POL0);  in dw_hdmi_phy_setup_hpd()
1719 	hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD | HDMI_IH_PHY_STAT0_RX_SENSE,  in dw_hdmi_phy_setup_hpd()
1723 	hdmi_writeb(hdmi, hdmi->phy_mask, HDMI_PHY_MASK0);  in dw_hdmi_phy_setup_hpd()
1726 	hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD | HDMI_IH_PHY_STAT0_RX_SENSE,  in dw_hdmi_phy_setup_hpd()
1728 	hdmi_writeb(hdmi, ~(HDMI_IH_PHY_STAT0_HPD | HDMI_IH_PHY_STAT0_RX_SENSE),  in dw_hdmi_phy_setup_hpd()
1741 /* -----------------------------------------------------------------------------
1742  * HDMI TX Setup
1745 static void hdmi_tx_hdcp_config(struct dw_hdmi *hdmi)  in hdmi_tx_hdcp_config()  argument
1749 	if (hdmi->hdmi_data.video_mode.mdataenablepolarity)  in hdmi_tx_hdcp_config()
1755 	hdmi_modb(hdmi, HDMI_A_HDCPCFG0_RXDETECT_DISABLE,  in hdmi_tx_hdcp_config()
1758 	hdmi_modb(hdmi, de, HDMI_A_VIDPOLCFG_DATAENPOL_MASK, HDMI_A_VIDPOLCFG);  in hdmi_tx_hdcp_config()
1760 	hdmi_modb(hdmi, HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_DISABLE,  in hdmi_tx_hdcp_config()
1764 static void hdmi_config_AVI(struct dw_hdmi *hdmi,  in hdmi_config_AVI()  argument
1774 	if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_config_AVI()
1776 						   hdmi->hdmi_data.rgb_limited_range ?  in hdmi_config_AVI()
1785 	if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))  in hdmi_config_AVI()
1787 	else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))  in hdmi_config_AVI()
1789 	else if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))  in hdmi_config_AVI()
1795 	if (!hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_config_AVI()
1796 		switch (hdmi->hdmi_data.enc_out_encoding) {  in hdmi_config_AVI()
1798 			if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601)  in hdmi_config_AVI()
1806 			if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV709)  in hdmi_config_AVI()
1843 	hdmi_writeb(hdmi, val, HDMI_FC_AVICONF0);  in hdmi_config_AVI()
1849 	hdmi_writeb(hdmi, val, HDMI_FC_AVICONF1);  in hdmi_config_AVI()
1857 	hdmi_writeb(hdmi, val, HDMI_FC_AVICONF2);  in hdmi_config_AVI()
1861 	hdmi_writeb(hdmi, val, HDMI_FC_AVIVID);  in hdmi_config_AVI()
1863 	/* AVI Data Byte 5- set up input and output pixel repetition */  in hdmi_config_AVI()
1864 	val = (((hdmi->hdmi_data.video_mode.mpixelrepetitioninput + 1) <<  in hdmi_config_AVI()
1867 		((hdmi->hdmi_data.video_mode.mpixelrepetitionoutput <<  in hdmi_config_AVI()
1870 	hdmi_writeb(hdmi, val, HDMI_FC_PRCONF);  in hdmi_config_AVI()
1878 	hdmi_writeb(hdmi, val, HDMI_FC_AVICONF3);  in hdmi_config_AVI()
1880 	/* AVI Data Bytes 6-13 */  in hdmi_config_AVI()
1881 	hdmi_writeb(hdmi, frame.top_bar & 0xff, HDMI_FC_AVIETB0);  in hdmi_config_AVI()
1882 	hdmi_writeb(hdmi, (frame.top_bar >> 8) & 0xff, HDMI_FC_AVIETB1);  in hdmi_config_AVI()
1883 	hdmi_writeb(hdmi, frame.bottom_bar & 0xff, HDMI_FC_AVISBB0);  in hdmi_config_AVI()
1884 	hdmi_writeb(hdmi, (frame.bottom_bar >> 8) & 0xff, HDMI_FC_AVISBB1);  in hdmi_config_AVI()
1885 	hdmi_writeb(hdmi, frame.left_bar & 0xff, HDMI_FC_AVIELB0);  in hdmi_config_AVI()
1886 	hdmi_writeb(hdmi, (frame.left_bar >> 8) & 0xff, HDMI_FC_AVIELB1);  in hdmi_config_AVI()
1887 	hdmi_writeb(hdmi, frame.right_bar & 0xff, HDMI_FC_AVISRB0);  in hdmi_config_AVI()
1888 	hdmi_writeb(hdmi, (frame.right_bar >> 8) & 0xff, HDMI_FC_AVISRB1);  in hdmi_config_AVI()
1891 static void hdmi_config_vendor_specific_infoframe(struct dw_hdmi *hdmi,  in hdmi_config_vendor_specific_infoframe()  argument
1912 		dev_err(hdmi->dev, "Failed to pack vendor infoframe: %zd\n",  in hdmi_config_vendor_specific_infoframe()
1916 	hdmi_mask_writeb(hdmi, 0, HDMI_FC_DATAUTO0, HDMI_FC_DATAUTO0_VSD_OFFSET,  in hdmi_config_vendor_specific_infoframe()
1919 	/* Set the length of HDMI vendor specific InfoFrame payload */  in hdmi_config_vendor_specific_infoframe()
1920 	hdmi_writeb(hdmi, buffer[2], HDMI_FC_VSDSIZE);  in hdmi_config_vendor_specific_infoframe()
1923 	hdmi_writeb(hdmi, buffer[4], HDMI_FC_VSDIEEEID0);  in hdmi_config_vendor_specific_infoframe()
1924 	hdmi_writeb(hdmi, buffer[5], HDMI_FC_VSDIEEEID1);  in hdmi_config_vendor_specific_infoframe()
1925 	hdmi_writeb(hdmi, buffer[6], HDMI_FC_VSDIEEEID2);  in hdmi_config_vendor_specific_infoframe()
1928 	hdmi_writeb(hdmi, buffer[7], HDMI_FC_VSDPAYLOAD0);  in hdmi_config_vendor_specific_infoframe()
1929 	hdmi_writeb(hdmi, buffer[8], HDMI_FC_VSDPAYLOAD1);  in hdmi_config_vendor_specific_infoframe()
1932 		hdmi_writeb(hdmi, buffer[9], HDMI_FC_VSDPAYLOAD2);  in hdmi_config_vendor_specific_infoframe()
1935 	hdmi_writeb(hdmi, 1, HDMI_FC_DATAUTO1);  in hdmi_config_vendor_specific_infoframe()
1938 	hdmi_writeb(hdmi, 0x11, HDMI_FC_DATAUTO2);  in hdmi_config_vendor_specific_infoframe()
1941 	hdmi_mask_writeb(hdmi, 1, HDMI_FC_DATAUTO0, HDMI_FC_DATAUTO0_VSD_OFFSET,  in hdmi_config_vendor_specific_infoframe()
1945 static void hdmi_config_drm_infoframe(struct dw_hdmi *hdmi,  in hdmi_config_drm_infoframe()  argument
1948 	const struct drm_connector_state *conn_state = connector->state;  in hdmi_config_drm_infoframe()
1954 	if (!hdmi->plat_data->use_drm_infoframe)  in hdmi_config_drm_infoframe()
1957 	hdmi_modb(hdmi, HDMI_FC_PACKET_TX_EN_DRM_DISABLE,  in hdmi_config_drm_infoframe()
1966 		dev_err(hdmi->dev, "Failed to pack drm infoframe: %zd\n", err);  in hdmi_config_drm_infoframe()
1970 	hdmi_writeb(hdmi, frame.version, HDMI_FC_DRM_HB0);  in hdmi_config_drm_infoframe()
1971 	hdmi_writeb(hdmi, frame.length, HDMI_FC_DRM_HB1);  in hdmi_config_drm_infoframe()
1974 		hdmi_writeb(hdmi, buffer[4 + i], HDMI_FC_DRM_PB0 + i);  in hdmi_config_drm_infoframe()
1976 	hdmi_writeb(hdmi, 1, HDMI_FC_DRM_UP);  in hdmi_config_drm_infoframe()
1977 	hdmi_modb(hdmi, HDMI_FC_PACKET_TX_EN_DRM_ENABLE,  in hdmi_config_drm_infoframe()
1981 static void hdmi_av_composer(struct dw_hdmi *hdmi,  in hdmi_av_composer()  argument
1986 	const struct drm_hdmi_info *hdmi_info = &display->hdmi;  in hdmi_av_composer()
1987 	struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode;  in hdmi_av_composer()
1991 	vmode->mpixelclock = mode->clock * 1000;  in hdmi_av_composer()
1993 	dev_dbg(hdmi->dev, "final pixclk = %d\n", vmode->mpixelclock);  in hdmi_av_composer()
1995 	vmode->mtmdsclock = vmode->mpixelclock;  in hdmi_av_composer()
1997 	if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_av_composer()
1999 				hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_av_composer()
2001 			vmode->mtmdsclock = vmode->mpixelclock * 2;  in hdmi_av_composer()
2004 			vmode->mtmdsclock = vmode->mpixelclock * 3 / 2;  in hdmi_av_composer()
2007 			vmode->mtmdsclock = vmode->mpixelclock * 5 / 4;  in hdmi_av_composer()
2012 	if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))  in hdmi_av_composer()
2013 		vmode->mtmdsclock /= 2;  in hdmi_av_composer()
2015 	dev_dbg(hdmi->dev, "final tmdsclock = %d\n", vmode->mtmdsclock);  in hdmi_av_composer()
2018 	inv_val = (hdmi->hdmi_data.hdcp_enable ||  in hdmi_av_composer()
2019 		   (dw_hdmi_support_scdc(hdmi, display) &&  in hdmi_av_composer()
2020 		    (vmode->mtmdsclock > HDMI14_MAX_TMDSCLK ||  in hdmi_av_composer()
2021 		     hdmi_info->scdc.scrambling.low_rates)) ?  in hdmi_av_composer()
2025 	inv_val |= mode->flags & DRM_MODE_FLAG_PVSYNC ?  in hdmi_av_composer()
2029 	inv_val |= mode->flags & DRM_MODE_FLAG_PHSYNC ?  in hdmi_av_composer()
2033 	inv_val |= (vmode->mdataenablepolarity ?  in hdmi_av_composer()
2037 	if (hdmi->vic == 39)  in hdmi_av_composer()
2040 		inv_val |= mode->flags & DRM_MODE_FLAG_INTERLACE ?  in hdmi_av_composer()
2044 	inv_val |= mode->flags & DRM_MODE_FLAG_INTERLACE ?  in hdmi_av_composer()
2048 	inv_val |= hdmi->sink_is_hdmi ?  in hdmi_av_composer()
2052 	hdmi_writeb(hdmi, inv_val, HDMI_FC_INVIDCONF);  in hdmi_av_composer()
2054 	hdisplay = mode->hdisplay;  in hdmi_av_composer()
2055 	hblank = mode->htotal - mode->hdisplay;  in hdmi_av_composer()
2056 	h_de_hs = mode->hsync_start - mode->hdisplay;  in hdmi_av_composer()
2057 	hsync_len = mode->hsync_end - mode->hsync_start;  in hdmi_av_composer()
2063 	if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) {  in hdmi_av_composer()
2070 	vdisplay = mode->vdisplay;  in hdmi_av_composer()
2071 	vblank = mode->vtotal - mode->vdisplay;  in hdmi_av_composer()
2072 	v_de_vs = mode->vsync_start - mode->vdisplay;  in hdmi_av_composer()
2073 	vsync_len = mode->vsync_end - mode->vsync_start;  in hdmi_av_composer()
2079 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {  in hdmi_av_composer()
2087 	if (dw_hdmi_support_scdc(hdmi, display)) {  in hdmi_av_composer()
2088 		if (vmode->mtmdsclock > HDMI14_MAX_TMDSCLK ||  in hdmi_av_composer()
2089 		    hdmi_info->scdc.scrambling.low_rates) {  in hdmi_av_composer()
2099 			drm_scdc_readb(hdmi->ddc, SCDC_SINK_VERSION,  in hdmi_av_composer()
2101 			drm_scdc_writeb(hdmi->ddc, SCDC_SOURCE_VERSION,  in hdmi_av_composer()
2105 			drm_scdc_set_scrambling(hdmi->curr_conn, 1);  in hdmi_av_composer()
2109 			 * that the quasi-static configuration bit  in hdmi_av_composer()
2114 			hdmi_writeb(hdmi, (u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ,  in hdmi_av_composer()
2116 			hdmi_writeb(hdmi, 1, HDMI_FC_SCRAMBLER_CTRL);  in hdmi_av_composer()
2118 			hdmi_writeb(hdmi, 0, HDMI_FC_SCRAMBLER_CTRL);  in hdmi_av_composer()
2119 			hdmi_writeb(hdmi, (u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ,  in hdmi_av_composer()
2121 			drm_scdc_set_scrambling(hdmi->curr_conn, 0);  in hdmi_av_composer()
2126 	hdmi_writeb(hdmi, hdisplay >> 8, HDMI_FC_INHACTV1);  in hdmi_av_composer()
2127 	hdmi_writeb(hdmi, hdisplay, HDMI_FC_INHACTV0);  in hdmi_av_composer()
2130 	hdmi_writeb(hdmi, vdisplay >> 8, HDMI_FC_INVACTV1);  in hdmi_av_composer()
2131 	hdmi_writeb(hdmi, vdisplay, HDMI_FC_INVACTV0);  in hdmi_av_composer()
2134 	hdmi_writeb(hdmi, hblank >> 8, HDMI_FC_INHBLANK1);  in hdmi_av_composer()
2135 	hdmi_writeb(hdmi, hblank, HDMI_FC_INHBLANK0);  in hdmi_av_composer()
2138 	hdmi_writeb(hdmi, vblank, HDMI_FC_INVBLANK);  in hdmi_av_composer()
2141 	hdmi_writeb(hdmi, h_de_hs >> 8, HDMI_FC_HSYNCINDELAY1);  in hdmi_av_composer()
2142 	hdmi_writeb(hdmi, h_de_hs, HDMI_FC_HSYNCINDELAY0);  in hdmi_av_composer()
2145 	hdmi_writeb(hdmi, v_de_vs, HDMI_FC_VSYNCINDELAY);  in hdmi_av_composer()
2148 	hdmi_writeb(hdmi, hsync_len >> 8, HDMI_FC_HSYNCINWIDTH1);  in hdmi_av_composer()
2149 	hdmi_writeb(hdmi, hsync_len, HDMI_FC_HSYNCINWIDTH0);  in hdmi_av_composer()
2152 	hdmi_writeb(hdmi, vsync_len, HDMI_FC_VSYNCINWIDTH);  in hdmi_av_composer()
2155 /* HDMI Initialization Step B.4 */
2156 static void dw_hdmi_enable_video_path(struct dw_hdmi *hdmi)  in dw_hdmi_enable_video_path()  argument
2159 	hdmi_writeb(hdmi, 12, HDMI_FC_CTRLDUR);  in dw_hdmi_enable_video_path()
2160 	hdmi_writeb(hdmi, 32, HDMI_FC_EXCTRLDUR);  in dw_hdmi_enable_video_path()
2161 	hdmi_writeb(hdmi, 1, HDMI_FC_EXCTRLSPAC);  in dw_hdmi_enable_video_path()
2164 	hdmi_writeb(hdmi, 0x0B, HDMI_FC_CH0PREAM);  in dw_hdmi_enable_video_path()
2165 	hdmi_writeb(hdmi, 0x16, HDMI_FC_CH1PREAM);  in dw_hdmi_enable_video_path()
2166 	hdmi_writeb(hdmi, 0x21, HDMI_FC_CH2PREAM);  in dw_hdmi_enable_video_path()
2169 	hdmi->mc_clkdis |= HDMI_MC_CLKDIS_HDCPCLK_DISABLE |  in dw_hdmi_enable_video_path()
2174 	hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE;  in dw_hdmi_enable_video_path()
2175 	hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);  in dw_hdmi_enable_video_path()
2177 	hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE;  in dw_hdmi_enable_video_path()
2178 	hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);  in dw_hdmi_enable_video_path()
2181 	if (is_csc_needed(hdmi)) {  in dw_hdmi_enable_video_path()
2182 		hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE;  in dw_hdmi_enable_video_path()
2183 		hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);  in dw_hdmi_enable_video_path()
2185 		hdmi_writeb(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH,  in dw_hdmi_enable_video_path()
2188 		hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CSCCLK_DISABLE;  in dw_hdmi_enable_video_path()
2189 		hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);  in dw_hdmi_enable_video_path()
2191 		hdmi_writeb(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS,  in dw_hdmi_enable_video_path()
2197 static void dw_hdmi_clear_overflow(struct dw_hdmi *hdmi)  in dw_hdmi_clear_overflow()  argument
2209 	 * The number of iterations matters and depends on the HDMI TX revision  in dw_hdmi_clear_overflow()
2212 	 * i.MX6DL (v1.31a), Allwinner SoCs (v1.32a), Rockchip RK3288 SoC (v2.00a),  in dw_hdmi_clear_overflow()
2218 	switch (hdmi->version) {  in dw_hdmi_clear_overflow()
2228 	hdmi_writeb(hdmi, (u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ);  in dw_hdmi_clear_overflow()
2230 	val = hdmi_readb(hdmi, HDMI_FC_INVIDCONF);  in dw_hdmi_clear_overflow()
2232 		hdmi_writeb(hdmi, val, HDMI_FC_INVIDCONF);  in dw_hdmi_clear_overflow()
2235 static void hdmi_disable_overflow_interrupts(struct dw_hdmi *hdmi)  in hdmi_disable_overflow_interrupts()  argument
2237 	hdmi_writeb(hdmi, HDMI_IH_MUTE_FC_STAT2_OVERFLOW_MASK,  in hdmi_disable_overflow_interrupts()
2241 static int dw_hdmi_setup(struct dw_hdmi *hdmi,  in dw_hdmi_setup()  argument
2247 	hdmi_disable_overflow_interrupts(hdmi);  in dw_hdmi_setup()
2249 	hdmi->vic = drm_match_cea_mode(mode);  in dw_hdmi_setup()
2251 	if (!hdmi->vic) {  in dw_hdmi_setup()
2252 		dev_dbg(hdmi->dev, "Non-CEA mode used in HDMI\n");  in dw_hdmi_setup()
2254 		dev_dbg(hdmi->dev, "CEA mode used vic=%d\n", hdmi->vic);  in dw_hdmi_setup()
2257 	if ((hdmi->vic == 6) || (hdmi->vic == 7) ||  in dw_hdmi_setup()
2258 	    (hdmi->vic == 21) || (hdmi->vic == 22) ||  in dw_hdmi_setup()
2259 	    (hdmi->vic == 2) || (hdmi->vic == 3) ||  in dw_hdmi_setup()
2260 	    (hdmi->vic == 17) || (hdmi->vic == 18))  in dw_hdmi_setup()
2261 		hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_601;  in dw_hdmi_setup()
2263 		hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_709;  in dw_hdmi_setup()
2265 	hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0;  in dw_hdmi_setup()
2266 	hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0;  in dw_hdmi_setup()
2268 	if (hdmi->hdmi_data.enc_in_bus_format == MEDIA_BUS_FMT_FIXED)  in dw_hdmi_setup()
2269 		hdmi->hdmi_data.enc_in_bus_format = MEDIA_BUS_FMT_RGB888_1X24;  in dw_hdmi_setup()
2272 	if (hdmi->plat_data->input_bus_encoding)  in dw_hdmi_setup()
2273 		hdmi->hdmi_data.enc_in_encoding =  in dw_hdmi_setup()
2274 			hdmi->plat_data->input_bus_encoding;  in dw_hdmi_setup()
2276 		hdmi->hdmi_data.enc_in_encoding = V4L2_YCBCR_ENC_DEFAULT;  in dw_hdmi_setup()
2278 	if (hdmi->hdmi_data.enc_out_bus_format == MEDIA_BUS_FMT_FIXED)  in dw_hdmi_setup()
2279 		hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24;  in dw_hdmi_setup()
2281 	hdmi->hdmi_data.rgb_limited_range = hdmi->sink_is_hdmi &&  in dw_hdmi_setup()
2285 	hdmi->hdmi_data.pix_repet_factor = 0;  in dw_hdmi_setup()
2286 	hdmi->hdmi_data.hdcp_enable = 0;  in dw_hdmi_setup()
2287 	hdmi->hdmi_data.video_mode.mdataenablepolarity = true;  in dw_hdmi_setup()
2289 	/* HDMI Initialization Step B.1 */  in dw_hdmi_setup()
2290 	hdmi_av_composer(hdmi, &connector->display_info, mode);  in dw_hdmi_setup()
2292 	/* HDMI Initializateion Step B.2 */  in dw_hdmi_setup()
2293 	ret = hdmi->phy.ops->init(hdmi, hdmi->phy.data,  in dw_hdmi_setup()
2294 				  &connector->display_info,  in dw_hdmi_setup()
2295 				  &hdmi->previous_mode);  in dw_hdmi_setup()
2298 	hdmi->phy.enabled = true;  in dw_hdmi_setup()
2300 	/* HDMI Initialization Step B.3 */  in dw_hdmi_setup()
2301 	dw_hdmi_enable_video_path(hdmi);  in dw_hdmi_setup()
2303 	if (hdmi->sink_has_audio) {  in dw_hdmi_setup()
2304 		dev_dbg(hdmi->dev, "sink has audio support\n");  in dw_hdmi_setup()
2306 		/* HDMI Initialization Step E - Configure audio */  in dw_hdmi_setup()
2307 		hdmi_clk_regenerator_update_pixel_clock(hdmi);  in dw_hdmi_setup()
2308 		hdmi_enable_audio_clk(hdmi, hdmi->audio_enable);  in dw_hdmi_setup()
2312 	if (hdmi->sink_is_hdmi) {  in dw_hdmi_setup()
2313 		dev_dbg(hdmi->dev, "%s HDMI mode\n", __func__);  in dw_hdmi_setup()
2315 		/* HDMI Initialization Step F - Configure AVI InfoFrame */  in dw_hdmi_setup()
2316 		hdmi_config_AVI(hdmi, connector, mode);  in dw_hdmi_setup()
2317 		hdmi_config_vendor_specific_infoframe(hdmi, connector, mode);  in dw_hdmi_setup()
2318 		hdmi_config_drm_infoframe(hdmi, connector);  in dw_hdmi_setup()
2320 		dev_dbg(hdmi->dev, "%s DVI mode\n", __func__);  in dw_hdmi_setup()
2323 	hdmi_video_packetize(hdmi);  in dw_hdmi_setup()
2324 	hdmi_video_csc(hdmi);  in dw_hdmi_setup()
2325 	hdmi_video_sample(hdmi);  in dw_hdmi_setup()
2326 	hdmi_tx_hdcp_config(hdmi);  in dw_hdmi_setup()
2328 	dw_hdmi_clear_overflow(hdmi);  in dw_hdmi_setup()
2333 static void initialize_hdmi_ih_mutes(struct dw_hdmi *hdmi)  in initialize_hdmi_ih_mutes()  argument
2342 	 * Disable top level interrupt bits in HDMI block  in initialize_hdmi_ih_mutes()
2344 	ih_mute = hdmi_readb(hdmi, HDMI_IH_MUTE) |  in initialize_hdmi_ih_mutes()
2348 	hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE);  in initialize_hdmi_ih_mutes()
2351 	hdmi_writeb(hdmi, 0xff, HDMI_VP_MASK);  in initialize_hdmi_ih_mutes()
2352 	hdmi_writeb(hdmi, 0xff, HDMI_FC_MASK0);  in initialize_hdmi_ih_mutes()
2353 	hdmi_writeb(hdmi, 0xff, HDMI_FC_MASK1);  in initialize_hdmi_ih_mutes()
2354 	hdmi_writeb(hdmi, 0xff, HDMI_FC_MASK2);  in initialize_hdmi_ih_mutes()
2355 	hdmi_writeb(hdmi, 0xff, HDMI_PHY_MASK0);  in initialize_hdmi_ih_mutes()
2356 	hdmi_writeb(hdmi, 0xff, HDMI_PHY_I2CM_INT_ADDR);  in initialize_hdmi_ih_mutes()
2357 	hdmi_writeb(hdmi, 0xff, HDMI_PHY_I2CM_CTLINT_ADDR);  in initialize_hdmi_ih_mutes()
2358 	hdmi_writeb(hdmi, 0xff, HDMI_AUD_INT);  in initialize_hdmi_ih_mutes()
2359 	hdmi_writeb(hdmi, 0xff, HDMI_AUD_SPDIFINT);  in initialize_hdmi_ih_mutes()
2360 	hdmi_writeb(hdmi, 0xff, HDMI_AUD_HBR_MASK);  in initialize_hdmi_ih_mutes()
2361 	hdmi_writeb(hdmi, 0xff, HDMI_GP_MASK);  in initialize_hdmi_ih_mutes()
2362 	hdmi_writeb(hdmi, 0xff, HDMI_A_APIINTMSK);  in initialize_hdmi_ih_mutes()
2363 	hdmi_writeb(hdmi, 0xff, HDMI_I2CM_INT);  in initialize_hdmi_ih_mutes()
2364 	hdmi_writeb(hdmi, 0xff, HDMI_I2CM_CTLINT);  in initialize_hdmi_ih_mutes()
2367 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_FC_STAT0);  in initialize_hdmi_ih_mutes()
2368 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_FC_STAT1);  in initialize_hdmi_ih_mutes()
2369 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_FC_STAT2);  in initialize_hdmi_ih_mutes()
2370 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_AS_STAT0);  in initialize_hdmi_ih_mutes()
2371 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_PHY_STAT0);  in initialize_hdmi_ih_mutes()
2372 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_I2CM_STAT0);  in initialize_hdmi_ih_mutes()
2373 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_CEC_STAT0);  in initialize_hdmi_ih_mutes()
2374 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_VP_STAT0);  in initialize_hdmi_ih_mutes()
2375 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_I2CMPHY_STAT0);  in initialize_hdmi_ih_mutes()
2376 	hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_AHBDMAAUD_STAT0);  in initialize_hdmi_ih_mutes()
2378 	/* Enable top level interrupt bits in HDMI block */  in initialize_hdmi_ih_mutes()
2381 	hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE);  in initialize_hdmi_ih_mutes()
2384 static void dw_hdmi_poweron(struct dw_hdmi *hdmi)  in dw_hdmi_poweron()  argument
2386 	hdmi->bridge_is_on = true;  in dw_hdmi_poweron()
2390 	 * is only be called when !hdmi->disabled.  in dw_hdmi_poweron()
2392 	dw_hdmi_setup(hdmi, hdmi->curr_conn, &hdmi->previous_mode);  in dw_hdmi_poweron()
2395 static void dw_hdmi_poweroff(struct dw_hdmi *hdmi)  in dw_hdmi_poweroff()  argument
2397 	if (hdmi->phy.enabled) {  in dw_hdmi_poweroff()
2398 		hdmi->phy.ops->disable(hdmi, hdmi->phy.data);  in dw_hdmi_poweroff()
2399 		hdmi->phy.enabled = false;  in dw_hdmi_poweroff()
2402 	hdmi->bridge_is_on = false;  in dw_hdmi_poweroff()
2405 static void dw_hdmi_update_power(struct dw_hdmi *hdmi)  in dw_hdmi_update_power()  argument
2407 	int force = hdmi->force;  in dw_hdmi_update_power()
2409 	if (hdmi->disabled) {  in dw_hdmi_update_power()
2412 		if (hdmi->rxsense)  in dw_hdmi_update_power()
2419 		if (hdmi->bridge_is_on)  in dw_hdmi_update_power()
2420 			dw_hdmi_poweroff(hdmi);  in dw_hdmi_update_power()
2422 		if (!hdmi->bridge_is_on)  in dw_hdmi_update_power()
2423 			dw_hdmi_poweron(hdmi);  in dw_hdmi_update_power()
2439 static void dw_hdmi_update_phy_mask(struct dw_hdmi *hdmi)  in dw_hdmi_update_phy_mask()  argument
2441 	if (hdmi->phy.ops->update_hpd)  in dw_hdmi_update_phy_mask()
2442 		hdmi->phy.ops->update_hpd(hdmi, hdmi->phy.data,  in dw_hdmi_update_phy_mask()
2443 					  hdmi->force, hdmi->disabled,  in dw_hdmi_update_phy_mask()
2444 					  hdmi->rxsense);  in dw_hdmi_update_phy_mask()
2447 static enum drm_connector_status dw_hdmi_detect(struct dw_hdmi *hdmi)  in dw_hdmi_detect()  argument
2451 	result = hdmi->phy.ops->read_hpd(hdmi, hdmi->phy.data);  in dw_hdmi_detect()
2452 	hdmi->last_connector_result = result;  in dw_hdmi_detect()
2457 static struct edid *dw_hdmi_get_edid(struct dw_hdmi *hdmi,  in dw_hdmi_get_edid()  argument
2462 	if (!hdmi->ddc)  in dw_hdmi_get_edid()
2465 	edid = drm_get_edid(connector, hdmi->ddc);  in dw_hdmi_get_edid()
2467 		dev_dbg(hdmi->dev, "failed to get edid\n");  in dw_hdmi_get_edid()
2471 	dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n",  in dw_hdmi_get_edid()
2472 		edid->width_cm, edid->height_cm);  in dw_hdmi_get_edid()
2474 	hdmi->sink_is_hdmi = drm_detect_hdmi_monitor(edid);  in dw_hdmi_get_edid()
2475 	hdmi->sink_has_audio = drm_detect_monitor_audio(edid);  in dw_hdmi_get_edid()
2480 /* -----------------------------------------------------------------------------
2487 	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,  in dw_hdmi_connector_detect()  local
2489 	return dw_hdmi_detect(hdmi);  in dw_hdmi_connector_detect()
2494 	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,  in dw_hdmi_connector_get_modes()  local
2499 	edid = dw_hdmi_get_edid(hdmi, connector);  in dw_hdmi_connector_get_modes()
2504 	cec_notifier_set_phys_addr_from_edid(hdmi->cec_notifier, edid);  in dw_hdmi_connector_get_modes()
2518 	struct drm_crtc *crtc = new_state->crtc;  in dw_hdmi_connector_atomic_check()
2529 		crtc_state->mode_changed = true;  in dw_hdmi_connector_atomic_check()
2537 	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,  in dw_hdmi_connector_force()  local
2540 	mutex_lock(&hdmi->mutex);  in dw_hdmi_connector_force()
2541 	hdmi->force = connector->force;  in dw_hdmi_connector_force()
2542 	dw_hdmi_update_power(hdmi);  in dw_hdmi_connector_force()
2543 	dw_hdmi_update_phy_mask(hdmi);  in dw_hdmi_connector_force()
2544 	mutex_unlock(&hdmi->mutex);  in dw_hdmi_connector_force()
2562 static int dw_hdmi_connector_create(struct dw_hdmi *hdmi)  in dw_hdmi_connector_create()  argument
2564 	struct drm_connector *connector = &hdmi->connector;  in dw_hdmi_connector_create()
2568 	if (hdmi->version >= 0x200a)  in dw_hdmi_connector_create()
2569 		connector->ycbcr_420_allowed =  in dw_hdmi_connector_create()
2570 			hdmi->plat_data->ycbcr_420_allowed;  in dw_hdmi_connector_create()
2572 		connector->ycbcr_420_allowed = false;  in dw_hdmi_connector_create()
2574 	connector->interlace_allowed = 1;  in dw_hdmi_connector_create()
2575 	connector->polled = DRM_CONNECTOR_POLL_HPD;  in dw_hdmi_connector_create()
2579 	drm_connector_init_with_ddc(hdmi->bridge.dev, connector,  in dw_hdmi_connector_create()
2582 				    hdmi->ddc);  in dw_hdmi_connector_create()
2592 	if (hdmi->version >= 0x200a && hdmi->plat_data->use_drm_infoframe)  in dw_hdmi_connector_create()
2595 	drm_connector_attach_encoder(connector, hdmi->bridge.encoder);  in dw_hdmi_connector_create()
2599 	notifier = cec_notifier_conn_register(hdmi->dev, NULL, &conn_info);  in dw_hdmi_connector_create()
2601 		return -ENOMEM;  in dw_hdmi_connector_create()
2603 	mutex_lock(&hdmi->cec_notifier_mutex);  in dw_hdmi_connector_create()
2604 	hdmi->cec_notifier = notifier;  in dw_hdmi_connector_create()
2605 	mutex_unlock(&hdmi->cec_notifier_mutex);  in dw_hdmi_connector_create()
2610 /* -----------------------------------------------------------------------------
2616  * - MEDIA_BUS_FMT_UYYVYY16_0_5X48,
2617  * - MEDIA_BUS_FMT_UYYVYY12_0_5X36,
2618  * - MEDIA_BUS_FMT_UYYVYY10_0_5X30,
2619  * - MEDIA_BUS_FMT_UYYVYY8_0_5X24,
2620  * - MEDIA_BUS_FMT_YUV16_1X48,
2621  * - MEDIA_BUS_FMT_RGB161616_1X48,
2622  * - MEDIA_BUS_FMT_UYVY12_1X24,
2623  * - MEDIA_BUS_FMT_YUV12_1X36,
2624  * - MEDIA_BUS_FMT_RGB121212_1X36,
2625  * - MEDIA_BUS_FMT_UYVY10_1X20,
2626  * - MEDIA_BUS_FMT_YUV10_1X30,
2627  * - MEDIA_BUS_FMT_RGB101010_1X30,
2628  * - MEDIA_BUS_FMT_UYVY8_1X16,
2629  * - MEDIA_BUS_FMT_YUV8_1X24,
2630  * - MEDIA_BUS_FMT_RGB888_1X24,
2642 	struct drm_connector *conn = conn_state->connector;  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2643 	struct drm_display_info *info = &conn->display_info;  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2644 	struct drm_display_mode *mode = &crtc_state->mode;  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2645 	u8 max_bpc = conn_state->max_requested_bpc;  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2646 	bool is_hdmi2_sink = info->hdmi.scdc.supported ||  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2647 			     (info->color_formats & DRM_COLOR_FORMAT_YCBCR420);  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2658 	/* If dw-hdmi is the first or only bridge, avoid negociating with ourselves */  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2659 	if (list_is_singular(&bridge->encoder->bridge_chain) ||  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2660 	    list_is_first(&bridge->chain_node, &bridge->encoder->bridge_chain)) {  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2671 	if (conn->ycbcr_420_allowed &&  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2676 		if (max_bpc >= 16 && info->bpc == 16 &&  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2677 		    (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_48))  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2680 		if (max_bpc >= 12 && info->bpc >= 12 &&  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2681 		    (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_36))  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2684 		if (max_bpc >= 10 && info->bpc >= 10 &&  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2685 		    (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_30))  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2705 	if (max_bpc >= 16 && info->bpc == 16) {  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2706 		if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444)  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2712 	if (max_bpc >= 12 && info->bpc >= 12) {  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2713 		if (info->color_formats & DRM_COLOR_FORMAT_YCBCR422)  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2716 		if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444)  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2722 	if (max_bpc >= 10 && info->bpc >= 10) {  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2723 		if (info->color_formats & DRM_COLOR_FORMAT_YCBCR422)  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2726 		if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444)  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2732 	if (info->color_formats & DRM_COLOR_FORMAT_YCBCR422)  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2735 	if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444)  in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2745  * - MEDIA_BUS_FMT_RGB888_1X24
2746  * - MEDIA_BUS_FMT_YUV8_1X24
2747  * - MEDIA_BUS_FMT_UYVY8_1X16
2748  * - MEDIA_BUS_FMT_UYYVYY8_0_5X24
2749  * - MEDIA_BUS_FMT_RGB101010_1X30
2750  * - MEDIA_BUS_FMT_YUV10_1X30
2751  * - MEDIA_BUS_FMT_UYVY10_1X20
2752  * - MEDIA_BUS_FMT_UYYVYY10_0_5X30
2753  * - MEDIA_BUS_FMT_RGB121212_1X36
2754  * - MEDIA_BUS_FMT_YUV12_1X36
2755  * - MEDIA_BUS_FMT_UYVY12_1X24
2756  * - MEDIA_BUS_FMT_UYYVYY12_0_5X36
2757  * - MEDIA_BUS_FMT_RGB161616_1X48
2758  * - MEDIA_BUS_FMT_YUV16_1X48
2759  * - MEDIA_BUS_FMT_UYYVYY16_0_5X48
2872 	struct dw_hdmi *hdmi = bridge->driver_private;  in dw_hdmi_bridge_atomic_check()  local
2874 	hdmi->hdmi_data.enc_out_bus_format =  in dw_hdmi_bridge_atomic_check()
2875 			bridge_state->output_bus_cfg.format;  in dw_hdmi_bridge_atomic_check()
2877 	hdmi->hdmi_data.enc_in_bus_format =  in dw_hdmi_bridge_atomic_check()
2878 			bridge_state->input_bus_cfg.format;  in dw_hdmi_bridge_atomic_check()
2880 	dev_dbg(hdmi->dev, "input format 0x%04x, output format 0x%04x\n",  in dw_hdmi_bridge_atomic_check()
2881 		bridge_state->input_bus_cfg.format,  in dw_hdmi_bridge_atomic_check()
2882 		bridge_state->output_bus_cfg.format);  in dw_hdmi_bridge_atomic_check()
2890 	struct dw_hdmi *hdmi = bridge->driver_private;  in dw_hdmi_bridge_attach()  local
2893 		return drm_bridge_attach(bridge->encoder, hdmi->next_bridge,  in dw_hdmi_bridge_attach()
2896 	return dw_hdmi_connector_create(hdmi);  in dw_hdmi_bridge_attach()
2901 	struct dw_hdmi *hdmi = bridge->driver_private;  in dw_hdmi_bridge_detach()  local
2903 	mutex_lock(&hdmi->cec_notifier_mutex);  in dw_hdmi_bridge_detach()
2904 	cec_notifier_conn_unregister(hdmi->cec_notifier);  in dw_hdmi_bridge_detach()
2905 	hdmi->cec_notifier = NULL;  in dw_hdmi_bridge_detach()
2906 	mutex_unlock(&hdmi->cec_notifier_mutex);  in dw_hdmi_bridge_detach()
2914 	struct dw_hdmi *hdmi = bridge->driver_private;  in dw_hdmi_bridge_mode_valid()  local
2915 	const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;  in dw_hdmi_bridge_mode_valid()
2918 	/* We don't support double-clocked modes */  in dw_hdmi_bridge_mode_valid()
2919 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)  in dw_hdmi_bridge_mode_valid()
2922 	if (pdata->mode_valid)  in dw_hdmi_bridge_mode_valid()
2923 		mode_status = pdata->mode_valid(hdmi, pdata->priv_data, info,  in dw_hdmi_bridge_mode_valid()
2933 	struct dw_hdmi *hdmi = bridge->driver_private;  in dw_hdmi_bridge_mode_set()  local
2935 	mutex_lock(&hdmi->mutex);  in dw_hdmi_bridge_mode_set()
2938 	drm_mode_copy(&hdmi->previous_mode, mode);  in dw_hdmi_bridge_mode_set()
2940 	mutex_unlock(&hdmi->mutex);  in dw_hdmi_bridge_mode_set()
2946 	struct dw_hdmi *hdmi = bridge->driver_private;  in dw_hdmi_bridge_atomic_disable()  local
2948 	mutex_lock(&hdmi->mutex);  in dw_hdmi_bridge_atomic_disable()
2949 	hdmi->disabled = true;  in dw_hdmi_bridge_atomic_disable()
2950 	hdmi->curr_conn = NULL;  in dw_hdmi_bridge_atomic_disable()
2951 	dw_hdmi_update_power(hdmi);  in dw_hdmi_bridge_atomic_disable()
2952 	dw_hdmi_update_phy_mask(hdmi);  in dw_hdmi_bridge_atomic_disable()
2953 	handle_plugged_change(hdmi, false);  in dw_hdmi_bridge_atomic_disable()
2954 	mutex_unlock(&hdmi->mutex);  in dw_hdmi_bridge_atomic_disable()
2960 	struct dw_hdmi *hdmi = bridge->driver_private;  in dw_hdmi_bridge_atomic_enable()  local
2961 	struct drm_atomic_state *state = old_state->base.state;  in dw_hdmi_bridge_atomic_enable()
2965 							     bridge->encoder);  in dw_hdmi_bridge_atomic_enable()
2967 	mutex_lock(&hdmi->mutex);  in dw_hdmi_bridge_atomic_enable()
2968 	hdmi->disabled = false;  in dw_hdmi_bridge_atomic_enable()
2969 	hdmi->curr_conn = connector;  in dw_hdmi_bridge_atomic_enable()
2970 	dw_hdmi_update_power(hdmi);  in dw_hdmi_bridge_atomic_enable()
2971 	dw_hdmi_update_phy_mask(hdmi);  in dw_hdmi_bridge_atomic_enable()
2972 	handle_plugged_change(hdmi, true);  in dw_hdmi_bridge_atomic_enable()
2973 	mutex_unlock(&hdmi->mutex);  in dw_hdmi_bridge_atomic_enable()
2978 	struct dw_hdmi *hdmi = bridge->driver_private;  in dw_hdmi_bridge_detect()  local
2980 	return dw_hdmi_detect(hdmi);  in dw_hdmi_bridge_detect()
2986 	struct dw_hdmi *hdmi = bridge->driver_private;  in dw_hdmi_bridge_get_edid()  local
2988 	return dw_hdmi_get_edid(hdmi, connector);  in dw_hdmi_bridge_get_edid()
3008 /* -----------------------------------------------------------------------------
3012 static irqreturn_t dw_hdmi_i2c_irq(struct dw_hdmi *hdmi)  in dw_hdmi_i2c_irq()  argument
3014 	struct dw_hdmi_i2c *i2c = hdmi->i2c;  in dw_hdmi_i2c_irq()
3017 	stat = hdmi_readb(hdmi, HDMI_IH_I2CM_STAT0);  in dw_hdmi_i2c_irq()
3021 	hdmi_writeb(hdmi, stat, HDMI_IH_I2CM_STAT0);  in dw_hdmi_i2c_irq()
3023 	i2c->stat = stat;  in dw_hdmi_i2c_irq()
3025 	complete(&i2c->cmp);  in dw_hdmi_i2c_irq()
3032 	struct dw_hdmi *hdmi = dev_id;  in dw_hdmi_hardirq()  local
3036 	if (hdmi->i2c)  in dw_hdmi_hardirq()
3037 		ret = dw_hdmi_i2c_irq(hdmi);  in dw_hdmi_hardirq()
3039 	intr_stat = hdmi_readb(hdmi, HDMI_IH_PHY_STAT0);  in dw_hdmi_hardirq()
3041 		hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0);  in dw_hdmi_hardirq()
3048 void dw_hdmi_setup_rx_sense(struct dw_hdmi *hdmi, bool hpd, bool rx_sense)  in dw_hdmi_setup_rx_sense()  argument
3050 	mutex_lock(&hdmi->mutex);  in dw_hdmi_setup_rx_sense()
3052 	if (!hdmi->force) {  in dw_hdmi_setup_rx_sense()
3058 			hdmi->rxsense = false;  in dw_hdmi_setup_rx_sense()
3067 			hdmi->rxsense = true;  in dw_hdmi_setup_rx_sense()
3069 		dw_hdmi_update_power(hdmi);  in dw_hdmi_setup_rx_sense()
3070 		dw_hdmi_update_phy_mask(hdmi);  in dw_hdmi_setup_rx_sense()
3072 	mutex_unlock(&hdmi->mutex);  in dw_hdmi_setup_rx_sense()
3078 	struct dw_hdmi *hdmi = dev_id;  in dw_hdmi_irq()  local
3082 	intr_stat = hdmi_readb(hdmi, HDMI_IH_PHY_STAT0);  in dw_hdmi_irq()
3083 	phy_int_pol = hdmi_readb(hdmi, HDMI_PHY_POL0);  in dw_hdmi_irq()
3084 	phy_stat = hdmi_readb(hdmi, HDMI_PHY_STAT0);  in dw_hdmi_irq()
3099 		hdmi_modb(hdmi, ~phy_int_pol, phy_pol_mask, HDMI_PHY_POL0);  in dw_hdmi_irq()
3103 	 * load - in other words, there's something listening on the  in dw_hdmi_irq()
3106 	 * ask the source to re-read the EDID.  in dw_hdmi_irq()
3110 		dw_hdmi_setup_rx_sense(hdmi,  in dw_hdmi_irq()
3115 			mutex_lock(&hdmi->cec_notifier_mutex);  in dw_hdmi_irq()
3116 			cec_notifier_phys_addr_invalidate(hdmi->cec_notifier);  in dw_hdmi_irq()
3117 			mutex_unlock(&hdmi->cec_notifier_mutex);  in dw_hdmi_irq()
3128 		dev_dbg(hdmi->dev, "EVENT=%s\n",  in dw_hdmi_irq()
3132 		if (hdmi->bridge.dev) {  in dw_hdmi_irq()
3133 			drm_helper_hpd_irq_event(hdmi->bridge.dev);  in dw_hdmi_irq()
3134 			drm_bridge_hpd_notify(&hdmi->bridge, status);  in dw_hdmi_irq()
3138 	hdmi_writeb(hdmi, intr_stat, HDMI_IH_PHY_STAT0);  in dw_hdmi_irq()
3139 	hdmi_writeb(hdmi, ~(HDMI_IH_PHY_STAT0_HPD | HDMI_IH_PHY_STAT0_RX_SENSE),  in dw_hdmi_irq()
3148 		.name = "DWC HDMI TX PHY",
3164 		.name = "DWC HDMI 3D TX PHY + HEAC PHY",
3169 		.name = "DWC HDMI 3D TX PHY",
3174 		.name = "DWC HDMI 2.0 TX PHY",
3184 static int dw_hdmi_detect_phy(struct dw_hdmi *hdmi)  in dw_hdmi_detect_phy()  argument
3189 	phy_type = hdmi->plat_data->phy_force_vendor ?  in dw_hdmi_detect_phy()
3191 				hdmi_readb(hdmi, HDMI_CONFIG2_ID);  in dw_hdmi_detect_phy()
3195 		if (!hdmi->plat_data->phy_ops || !hdmi->plat_data->phy_name) {  in dw_hdmi_detect_phy()
3196 			dev_err(hdmi->dev,  in dw_hdmi_detect_phy()
3197 				"Vendor HDMI PHY not supported by glue layer\n");  in dw_hdmi_detect_phy()
3198 			return -ENODEV;  in dw_hdmi_detect_phy()
3201 		hdmi->phy.ops = hdmi->plat_data->phy_ops;  in dw_hdmi_detect_phy()
3202 		hdmi->phy.data = hdmi->plat_data->phy_data;  in dw_hdmi_detect_phy()
3203 		hdmi->phy.name = hdmi->plat_data->phy_name;  in dw_hdmi_detect_phy()
3210 			hdmi->phy.ops = &dw_hdmi_synopsys_phy_ops;  in dw_hdmi_detect_phy()
3211 			hdmi->phy.name = dw_hdmi_phys[i].name;  in dw_hdmi_detect_phy()
3212 			hdmi->phy.data = (void *)&dw_hdmi_phys[i];  in dw_hdmi_detect_phy()
3215 			    !hdmi->plat_data->configure_phy) {  in dw_hdmi_detect_phy()
3216 				dev_err(hdmi->dev, "%s requires platform support\n",  in dw_hdmi_detect_phy()
3217 					hdmi->phy.name);  in dw_hdmi_detect_phy()
3218 				return -ENODEV;  in dw_hdmi_detect_phy()
3225 	dev_err(hdmi->dev, "Unsupported HDMI PHY type (%02x)\n", phy_type);  in dw_hdmi_detect_phy()
3226 	return -ENODEV;  in dw_hdmi_detect_phy()
3229 static void dw_hdmi_cec_enable(struct dw_hdmi *hdmi)  in dw_hdmi_cec_enable()  argument
3231 	mutex_lock(&hdmi->mutex);  in dw_hdmi_cec_enable()
3232 	hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CECCLK_DISABLE;  in dw_hdmi_cec_enable()
3233 	hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);  in dw_hdmi_cec_enable()
3234 	mutex_unlock(&hdmi->mutex);  in dw_hdmi_cec_enable()
3237 static void dw_hdmi_cec_disable(struct dw_hdmi *hdmi)  in dw_hdmi_cec_disable()  argument
3239 	mutex_lock(&hdmi->mutex);  in dw_hdmi_cec_disable()
3240 	hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CECCLK_DISABLE;  in dw_hdmi_cec_disable()
3241 	hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);  in dw_hdmi_cec_disable()
3242 	mutex_unlock(&hdmi->mutex);  in dw_hdmi_cec_disable()
3266 static void dw_hdmi_init_hw(struct dw_hdmi *hdmi)  in dw_hdmi_init_hw()  argument
3268 	initialize_hdmi_ih_mutes(hdmi);  in dw_hdmi_init_hw()
3271 	 * Reset HDMI DDC I2C master controller and mute I2CM interrupts.  in dw_hdmi_init_hw()
3275 	dw_hdmi_i2c_init(hdmi);  in dw_hdmi_init_hw()
3277 	if (hdmi->phy.ops->setup_hpd)  in dw_hdmi_init_hw()
3278 		hdmi->phy.ops->setup_hpd(hdmi, hdmi->phy.data);  in dw_hdmi_init_hw()
3281 /* -----------------------------------------------------------------------------
3285 static int dw_hdmi_parse_dt(struct dw_hdmi *hdmi)  in dw_hdmi_parse_dt()  argument
3290 	if (!hdmi->plat_data->output_port)  in dw_hdmi_parse_dt()
3293 	endpoint = of_graph_get_endpoint_by_regs(hdmi->dev->of_node,  in dw_hdmi_parse_dt()
3294 						 hdmi->plat_data->output_port,  in dw_hdmi_parse_dt()
3295 						 -1);  in dw_hdmi_parse_dt()
3299 		 * mandatory (such as Rockchip) the plat_data->output_port  in dw_hdmi_parse_dt()
3302 		dev_err(hdmi->dev, "Missing endpoint in port@%u\n",  in dw_hdmi_parse_dt()
3303 			hdmi->plat_data->output_port);  in dw_hdmi_parse_dt()
3304 		return -ENODEV;  in dw_hdmi_parse_dt()
3310 		dev_err(hdmi->dev, "Endpoint in port@%u unconnected\n",  in dw_hdmi_parse_dt()
3311 			hdmi->plat_data->output_port);  in dw_hdmi_parse_dt()
3312 		return -ENODEV;  in dw_hdmi_parse_dt()
3316 		dev_err(hdmi->dev, "port@%u remote device is disabled\n",  in dw_hdmi_parse_dt()
3317 			hdmi->plat_data->output_port);  in dw_hdmi_parse_dt()
3319 		return -ENODEV;  in dw_hdmi_parse_dt()
3322 	hdmi->next_bridge = of_drm_find_bridge(remote);  in dw_hdmi_parse_dt()
3324 	if (!hdmi->next_bridge)  in dw_hdmi_parse_dt()
3325 		return -EPROBE_DEFER;  in dw_hdmi_parse_dt()
3330 bool dw_hdmi_bus_fmt_is_420(struct dw_hdmi *hdmi)  in dw_hdmi_bus_fmt_is_420()  argument
3332 	return hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format);  in dw_hdmi_bus_fmt_is_420()
3339 	struct device *dev = &pdev->dev;  in dw_hdmi_probe()
3340 	struct device_node *np = dev->of_node;  in dw_hdmi_probe()
3344 	struct dw_hdmi *hdmi;  in dw_hdmi_probe()  local
3354 	hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);  in dw_hdmi_probe()
3355 	if (!hdmi)  in dw_hdmi_probe()
3356 		return ERR_PTR(-ENOMEM);  in dw_hdmi_probe()
3358 	hdmi->plat_data = plat_data;  in dw_hdmi_probe()
3359 	hdmi->dev = dev;  in dw_hdmi_probe()
3360 	hdmi->sample_rate = 48000;  in dw_hdmi_probe()
3361 	hdmi->channels = 2;  in dw_hdmi_probe()
3362 	hdmi->disabled = true;  in dw_hdmi_probe()
3363 	hdmi->rxsense = true;  in dw_hdmi_probe()
3364 	hdmi->phy_mask = (u8)~(HDMI_PHY_HPD | HDMI_PHY_RX_SENSE);  in dw_hdmi_probe()
3365 	hdmi->mc_clkdis = 0x7f;  in dw_hdmi_probe()
3366 	hdmi->last_connector_result = connector_status_disconnected;  in dw_hdmi_probe()
3368 	mutex_init(&hdmi->mutex);  in dw_hdmi_probe()
3369 	mutex_init(&hdmi->audio_mutex);  in dw_hdmi_probe()
3370 	mutex_init(&hdmi->cec_notifier_mutex);  in dw_hdmi_probe()
3371 	spin_lock_init(&hdmi->audio_lock);  in dw_hdmi_probe()
3373 	ret = dw_hdmi_parse_dt(hdmi);  in dw_hdmi_probe()
3377 	ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0);  in dw_hdmi_probe()
3379 		hdmi->ddc = of_get_i2c_adapter_by_node(ddc_node);  in dw_hdmi_probe()
3381 		if (!hdmi->ddc) {  in dw_hdmi_probe()
3382 			dev_dbg(hdmi->dev, "failed to read ddc node\n");  in dw_hdmi_probe()
3383 			return ERR_PTR(-EPROBE_DEFER);  in dw_hdmi_probe()
3387 		dev_dbg(hdmi->dev, "no ddc property found\n");  in dw_hdmi_probe()
3390 	if (!plat_data->regm) {  in dw_hdmi_probe()
3393 		of_property_read_u32(np, "reg-io-width", &val);  in dw_hdmi_probe()
3397 			hdmi->reg_shift = 2;  in dw_hdmi_probe()
3403 			dev_err(dev, "reg-io-width must be 1 or 4\n");  in dw_hdmi_probe()
3404 			return ERR_PTR(-EINVAL);  in dw_hdmi_probe()
3408 		hdmi->regs = devm_ioremap_resource(dev, iores);  in dw_hdmi_probe()
3409 		if (IS_ERR(hdmi->regs)) {  in dw_hdmi_probe()
3410 			ret = PTR_ERR(hdmi->regs);  in dw_hdmi_probe()
3414 		hdmi->regm = devm_regmap_init_mmio(dev, hdmi->regs, reg_config);  in dw_hdmi_probe()
3415 		if (IS_ERR(hdmi->regm)) {  in dw_hdmi_probe()
3417 			ret = PTR_ERR(hdmi->regm);  in dw_hdmi_probe()
3421 		hdmi->regm = plat_data->regm;  in dw_hdmi_probe()
3424 	hdmi->isfr_clk = devm_clk_get(hdmi->dev, "isfr");  in dw_hdmi_probe()
3425 	if (IS_ERR(hdmi->isfr_clk)) {  in dw_hdmi_probe()
3426 		ret = PTR_ERR(hdmi->isfr_clk);  in dw_hdmi_probe()
3427 		dev_err(hdmi->dev, "Unable to get HDMI isfr clk: %d\n", ret);  in dw_hdmi_probe()
3431 	ret = clk_prepare_enable(hdmi->isfr_clk);  in dw_hdmi_probe()
3433 		dev_err(hdmi->dev, "Cannot enable HDMI isfr clock: %d\n", ret);  in dw_hdmi_probe()
3437 	hdmi->iahb_clk = devm_clk_get(hdmi->dev, "iahb");  in dw_hdmi_probe()
3438 	if (IS_ERR(hdmi->iahb_clk)) {  in dw_hdmi_probe()
3439 		ret = PTR_ERR(hdmi->iahb_clk);  in dw_hdmi_probe()
3440 		dev_err(hdmi->dev, "Unable to get HDMI iahb clk: %d\n", ret);  in dw_hdmi_probe()
3444 	ret = clk_prepare_enable(hdmi->iahb_clk);  in dw_hdmi_probe()
3446 		dev_err(hdmi->dev, "Cannot enable HDMI iahb clock: %d\n", ret);  in dw_hdmi_probe()
3450 	hdmi->cec_clk = devm_clk_get(hdmi->dev, "cec");  in dw_hdmi_probe()
3451 	if (PTR_ERR(hdmi->cec_clk) == -ENOENT) {  in dw_hdmi_probe()
3452 		hdmi->cec_clk = NULL;  in dw_hdmi_probe()
3453 	} else if (IS_ERR(hdmi->cec_clk)) {  in dw_hdmi_probe()
3454 		ret = PTR_ERR(hdmi->cec_clk);  in dw_hdmi_probe()
3455 		if (ret != -EPROBE_DEFER)  in dw_hdmi_probe()
3456 			dev_err(hdmi->dev, "Cannot get HDMI cec clock: %d\n",  in dw_hdmi_probe()
3459 		hdmi->cec_clk = NULL;  in dw_hdmi_probe()
3462 		ret = clk_prepare_enable(hdmi->cec_clk);  in dw_hdmi_probe()
3464 			dev_err(hdmi->dev, "Cannot enable HDMI cec clock: %d\n",  in dw_hdmi_probe()
3471 	hdmi->version = (hdmi_readb(hdmi, HDMI_DESIGN_ID) << 8)  in dw_hdmi_probe()
3472 		      | (hdmi_readb(hdmi, HDMI_REVISION_ID) << 0);  in dw_hdmi_probe()
3473 	prod_id0 = hdmi_readb(hdmi, HDMI_PRODUCT_ID0);  in dw_hdmi_probe()
3474 	prod_id1 = hdmi_readb(hdmi, HDMI_PRODUCT_ID1);  in dw_hdmi_probe()
3478 		dev_err(dev, "Unsupported HDMI controller (%04x:%02x:%02x)\n",  in dw_hdmi_probe()
3479 			hdmi->version, prod_id0, prod_id1);  in dw_hdmi_probe()
3480 		ret = -ENODEV;  in dw_hdmi_probe()
3484 	ret = dw_hdmi_detect_phy(hdmi);  in dw_hdmi_probe()
3488 	dev_info(dev, "Detected HDMI TX controller v%x.%03x %s HDCP (%s)\n",  in dw_hdmi_probe()
3489 		 hdmi->version >> 12, hdmi->version & 0xfff,  in dw_hdmi_probe()
3491 		 hdmi->phy.name);  in dw_hdmi_probe()
3493 	dw_hdmi_init_hw(hdmi);  in dw_hdmi_probe()
3503 					dev_name(dev), hdmi);  in dw_hdmi_probe()
3511 	hdmi_init_clk_regenerator(hdmi);  in dw_hdmi_probe()
3513 	/* If DDC bus is not specified, try to register HDMI I2C bus */  in dw_hdmi_probe()
3514 	if (!hdmi->ddc) {  in dw_hdmi_probe()
3516 		hdmi->pinctrl = devm_pinctrl_get(dev);  in dw_hdmi_probe()
3517 		if (!IS_ERR(hdmi->pinctrl)) {  in dw_hdmi_probe()
3518 			hdmi->unwedge_state =  in dw_hdmi_probe()
3519 				pinctrl_lookup_state(hdmi->pinctrl, "unwedge");  in dw_hdmi_probe()
3520 			hdmi->default_state =  in dw_hdmi_probe()
3521 				pinctrl_lookup_state(hdmi->pinctrl, "default");  in dw_hdmi_probe()
3523 			if (IS_ERR(hdmi->default_state) ||  in dw_hdmi_probe()
3524 			    IS_ERR(hdmi->unwedge_state)) {  in dw_hdmi_probe()
3525 				if (!IS_ERR(hdmi->unwedge_state))  in dw_hdmi_probe()
3528 				hdmi->default_state = NULL;  in dw_hdmi_probe()
3529 				hdmi->unwedge_state = NULL;  in dw_hdmi_probe()
3533 		hdmi->ddc = dw_hdmi_i2c_adapter(hdmi);  in dw_hdmi_probe()
3534 		if (IS_ERR(hdmi->ddc))  in dw_hdmi_probe()
3535 			hdmi->ddc = NULL;  in dw_hdmi_probe()
3538 	hdmi->bridge.driver_private = hdmi;  in dw_hdmi_probe()
3539 	hdmi->bridge.funcs = &dw_hdmi_bridge_funcs;  in dw_hdmi_probe()
3540 	hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID  in dw_hdmi_probe()
3542 	hdmi->bridge.interlace_allowed = true;  in dw_hdmi_probe()
3543 	hdmi->bridge.ddc = hdmi->ddc;  in dw_hdmi_probe()
3545 	hdmi->bridge.of_node = pdev->dev.of_node;  in dw_hdmi_probe()
3552 	config0 = hdmi_readb(hdmi, HDMI_CONFIG0_ID);  in dw_hdmi_probe()
3553 	config3 = hdmi_readb(hdmi, HDMI_CONFIG3_ID);  in dw_hdmi_probe()
3558 		audio.phys = iores->start;  in dw_hdmi_probe()
3559 		audio.base = hdmi->regs;  in dw_hdmi_probe()
3561 		audio.hdmi = hdmi;  in dw_hdmi_probe()
3563 		hdmi->enable_audio = dw_hdmi_ahb_audio_enable;  in dw_hdmi_probe()
3564 		hdmi->disable_audio = dw_hdmi_ahb_audio_disable;  in dw_hdmi_probe()
3566 		pdevinfo.name = "dw-hdmi-ahb-audio";  in dw_hdmi_probe()
3570 		hdmi->audio = platform_device_register_full(&pdevinfo);  in dw_hdmi_probe()
3574 		audio.hdmi	= hdmi;  in dw_hdmi_probe()
3578 		hdmi->enable_audio = dw_hdmi_i2s_audio_enable;  in dw_hdmi_probe()
3579 		hdmi->disable_audio = dw_hdmi_i2s_audio_disable;  in dw_hdmi_probe()
3581 		pdevinfo.name = "dw-hdmi-i2s-audio";  in dw_hdmi_probe()
3585 		hdmi->audio = platform_device_register_full(&pdevinfo);  in dw_hdmi_probe()
3589 		audio.phys = iores->start;  in dw_hdmi_probe()
3590 		audio.base = hdmi->regs;  in dw_hdmi_probe()
3592 		audio.hdmi = hdmi;  in dw_hdmi_probe()
3595 		hdmi->enable_audio = dw_hdmi_gp_audio_enable;  in dw_hdmi_probe()
3596 		hdmi->disable_audio = dw_hdmi_gp_audio_disable;  in dw_hdmi_probe()
3598 		pdevinfo.name = "dw-hdmi-gp-audio";  in dw_hdmi_probe()
3603 		hdmi->audio = platform_device_register_full(&pdevinfo);  in dw_hdmi_probe()
3606 	if (!plat_data->disable_cec && (config0 & HDMI_CONFIG0_CEC)) {  in dw_hdmi_probe()
3607 		cec.hdmi = hdmi;  in dw_hdmi_probe()
3611 		pdevinfo.name = "dw-hdmi-cec";  in dw_hdmi_probe()
3616 		hdmi->cec = platform_device_register_full(&pdevinfo);  in dw_hdmi_probe()
3619 	drm_bridge_add(&hdmi->bridge);  in dw_hdmi_probe()
3621 	return hdmi;  in dw_hdmi_probe()
3624 	clk_disable_unprepare(hdmi->iahb_clk);  in dw_hdmi_probe()
3625 	clk_disable_unprepare(hdmi->cec_clk);  in dw_hdmi_probe()
3627 	clk_disable_unprepare(hdmi->isfr_clk);  in dw_hdmi_probe()
3629 	i2c_put_adapter(hdmi->ddc);  in dw_hdmi_probe()
3635 void dw_hdmi_remove(struct dw_hdmi *hdmi)  in dw_hdmi_remove()  argument
3637 	drm_bridge_remove(&hdmi->bridge);  in dw_hdmi_remove()
3639 	if (hdmi->audio && !IS_ERR(hdmi->audio))  in dw_hdmi_remove()
3640 		platform_device_unregister(hdmi->audio);  in dw_hdmi_remove()
3641 	if (!IS_ERR(hdmi->cec))  in dw_hdmi_remove()
3642 		platform_device_unregister(hdmi->cec);  in dw_hdmi_remove()
3645 	hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0);  in dw_hdmi_remove()
3647 	clk_disable_unprepare(hdmi->iahb_clk);  in dw_hdmi_remove()
3648 	clk_disable_unprepare(hdmi->isfr_clk);  in dw_hdmi_remove()
3649 	clk_disable_unprepare(hdmi->cec_clk);  in dw_hdmi_remove()
3651 	if (hdmi->i2c)  in dw_hdmi_remove()
3652 		i2c_del_adapter(&hdmi->i2c->adap);  in dw_hdmi_remove()
3654 		i2c_put_adapter(hdmi->ddc);  in dw_hdmi_remove()
3658 /* -----------------------------------------------------------------------------
3665 	struct dw_hdmi *hdmi;  in dw_hdmi_bind()  local
3668 	hdmi = dw_hdmi_probe(pdev, plat_data);  in dw_hdmi_bind()
3669 	if (IS_ERR(hdmi))  in dw_hdmi_bind()
3670 		return hdmi;  in dw_hdmi_bind()
3672 	ret = drm_bridge_attach(encoder, &hdmi->bridge, NULL, 0);  in dw_hdmi_bind()
3674 		dw_hdmi_remove(hdmi);  in dw_hdmi_bind()
3678 	return hdmi;  in dw_hdmi_bind()
3682 void dw_hdmi_unbind(struct dw_hdmi *hdmi)  in dw_hdmi_unbind()  argument
3684 	dw_hdmi_remove(hdmi);  in dw_hdmi_unbind()
3688 void dw_hdmi_resume(struct dw_hdmi *hdmi)  in dw_hdmi_resume()  argument
3690 	dw_hdmi_init_hw(hdmi);  in dw_hdmi_resume()
3695 MODULE_AUTHOR("Andy Yan <andy.yan@rock-chips.com>");
3696 MODULE_AUTHOR("Yakir Yang <ykk@rock-chips.com>");
3698 MODULE_DESCRIPTION("DW HDMI transmitter driver");
3700 MODULE_ALIAS("platform:dw-hdmi");