Lines Matching +full:audio +full:- +full:bridge
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.
21 #include <linux/dma-mapping.h>
24 #include <media/cec-notifier.h>
26 #include <linux/media-bus-format.h>
29 #include <drm/bridge/dw_hdmi.h>
40 #include "dw-hdmi-audio.h"
41 #include "dw-hdmi-cec.h"
42 #include "dw-hdmi.h"
49 /* DW-HDMI Controller >= 0x200a are at least compliant with SCDC version 1 */
134 struct drm_bridge bridge;
139 struct platform_device *audio;
170 enum drm_connector_force force; /* mutex-protected force state */
172 bool disabled; /* DRM has disabled our bridge */
173 bool bridge_is_on; /* indicates the bridge is on */
204 return hdmi->plat_data;
218 regmap_write(hdmi->regm, offset << hdmi->reg_shift, val);
225 regmap_read(hdmi->regm, offset << hdmi->reg_shift, &val);
232 if (hdmi->plugged_cb && hdmi->codec_dev)
233 hdmi->plugged_cb(hdmi->codec_dev, plugged);
241 mutex_lock(&hdmi->mutex);
242 hdmi->plugged_cb = fn;
243 hdmi->codec_dev = codec_dev;
244 plugged = hdmi->last_connector_result == connector_status_connected;
246 mutex_unlock(&hdmi->mutex);
254 regmap_update_bits(hdmi->regm, reg << hdmi->reg_shift, mask, data);
295 if (!hdmi->unwedge_state)
298 dev_info(hdmi->dev, "Attempting to unwedge stuck i2c bus\n");
332 pinctrl_select_state(hdmi->pinctrl, hdmi->unwedge_state);
334 pinctrl_select_state(hdmi->pinctrl, hdmi->default_state);
341 struct dw_hdmi_i2c *i2c = hdmi->i2c;
344 stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10);
348 return -EAGAIN;
351 stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10);
353 return -EAGAIN;
357 if (i2c->stat & HDMI_IH_I2CM_STAT0_ERROR)
358 return -EIO;
366 struct dw_hdmi_i2c *i2c = hdmi->i2c;
369 if (!i2c->is_regaddr) {
370 dev_dbg(hdmi->dev, "set read register address to 0\n");
371 i2c->slave_reg = 0x00;
372 i2c->is_regaddr = true;
375 while (length--) {
376 reinit_completion(&i2c->cmp);
378 hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS);
379 if (i2c->is_segment)
392 i2c->is_segment = false;
400 struct dw_hdmi_i2c *i2c = hdmi->i2c;
403 if (!i2c->is_regaddr) {
405 i2c->slave_reg = buf[0];
406 length--;
408 i2c->is_regaddr = true;
411 while (length--) {
412 reinit_completion(&i2c->cmp);
415 hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS);
431 struct dw_hdmi_i2c *i2c = hdmi->i2c;
437 * The internal I2C controller does not support the multi-byte
442 return -EOPNOTSUPP;
444 dev_dbg(hdmi->dev, "xfer: num: %d, addr: %#x\n", num, addr);
448 dev_dbg(hdmi->dev,
451 return -EOPNOTSUPP;
455 mutex_lock(&i2c->lock);
464 i2c->is_regaddr = false;
467 i2c->is_segment = false;
470 dev_dbg(hdmi->dev, "xfer: num: %d/%d, len: %d, flags: %#x\n",
473 i2c->is_segment = true;
495 mutex_unlock(&i2c->lock);
516 i2c = devm_kzalloc(hdmi->dev, sizeof(*i2c), GFP_KERNEL);
518 return ERR_PTR(-ENOMEM);
520 mutex_init(&i2c->lock);
521 init_completion(&i2c->cmp);
523 adap = &i2c->adap;
524 adap->owner = THIS_MODULE;
525 adap->dev.parent = hdmi->dev;
526 adap->algo = &dw_hdmi_algorithm;
527 strscpy(adap->name, "DesignWare HDMI", sizeof(adap->name));
532 dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name);
533 devm_kfree(hdmi->dev, i2c);
537 hdmi->i2c = i2c;
539 dev_info(hdmi->dev, "registered %s I2C bus driver\n", adap->name);
632 * When transmitting IEC60958 linear PCM audio, these registers allow to
635 * used when the I2S audio interface, General Purpose Audio (GPA),
636 * or AHB audio DMA (AHBAUDDMA) interface is active
663 /* Compute CTS when using internal AHB audio or General Parallel audio*/
667 * can be up to 20 bits in total, so we need 64-bit math. Also
676 dev_dbg(hdmi->dev, "%s: fs=%uHz ftdms=%lu.%03luMHz N=%d cts=%d\n",
684 spin_lock_irq(&hdmi->audio_lock);
685 hdmi->audio_n = n;
686 hdmi->audio_cts = cts;
687 hdmi_set_cts_n(hdmi, cts, hdmi->audio_enable ? n : 0);
688 spin_unlock_irq(&hdmi->audio_lock);
693 mutex_lock(&hdmi->audio_mutex);
694 hdmi_set_clk_regenerator(hdmi, 74250000, hdmi->sample_rate);
695 mutex_unlock(&hdmi->audio_mutex);
700 mutex_lock(&hdmi->audio_mutex);
701 hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mtmdsclock,
702 hdmi->sample_rate);
703 mutex_unlock(&hdmi->audio_mutex);
708 mutex_lock(&hdmi->audio_mutex);
709 hdmi->sample_width = width;
710 mutex_unlock(&hdmi->audio_mutex);
716 mutex_lock(&hdmi->audio_mutex);
717 hdmi->sample_non_pcm = non_pcm;
718 mutex_unlock(&hdmi->audio_mutex);
724 mutex_lock(&hdmi->audio_mutex);
725 hdmi->sample_iec958 = iec958;
726 mutex_unlock(&hdmi->audio_mutex);
732 mutex_lock(&hdmi->audio_mutex);
733 hdmi->sample_rate = rate;
734 hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mtmdsclock,
735 hdmi->sample_rate);
736 mutex_unlock(&hdmi->audio_mutex);
744 mutex_lock(&hdmi->audio_mutex);
745 hdmi->channels = cnt;
748 * For >2 channel PCM audio, we need to select layout 1
759 /* Set the audio infoframes channel count */
760 hdmi_modb(hdmi, (cnt - 1) << HDMI_FC_AUDICONF0_CC_OFFSET,
763 mutex_unlock(&hdmi->audio_mutex);
769 mutex_lock(&hdmi->audio_mutex);
773 mutex_unlock(&hdmi->audio_mutex);
780 hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_AUDCLK_DISABLE;
782 hdmi->mc_clkdis |= HDMI_MC_CLKDIS_AUDCLK_DISABLE;
783 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
788 if (!hdmi->curr_conn)
791 return hdmi->curr_conn->eld;
796 const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;
798 int ch_mask = BIT(hdmi->channels) - 1;
800 switch (hdmi->sample_rate) {
833 hdmi_set_cts_n(hdmi, hdmi->audio_cts, hdmi->audio_n);
837 hdmi_writeb(hdmi, hdmi->channels, HDMI_FC_AUDSCHNLS2);
852 if (hdmi->sample_rate == 192000 && hdmi->channels == 8 &&
853 hdmi->sample_width == 32 && hdmi->sample_non_pcm)
856 if (pdata->enable_audio)
857 pdata->enable_audio(hdmi,
858 hdmi->channels,
859 hdmi->sample_width,
860 hdmi->sample_rate,
861 hdmi->sample_non_pcm,
862 hdmi->sample_iec958);
867 const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;
869 hdmi_set_cts_n(hdmi, hdmi->audio_cts, 0);
872 if (pdata->disable_audio)
873 pdata->disable_audio(hdmi);
880 hdmi_set_cts_n(hdmi, hdmi->audio_cts, hdmi->audio_n);
885 hdmi_set_cts_n(hdmi, hdmi->audio_cts, 0);
890 hdmi_set_cts_n(hdmi, hdmi->audio_cts, hdmi->audio_n);
903 spin_lock_irqsave(&hdmi->audio_lock, flags);
904 hdmi->audio_enable = true;
905 if (hdmi->enable_audio)
906 hdmi->enable_audio(hdmi);
907 spin_unlock_irqrestore(&hdmi->audio_lock, flags);
915 spin_lock_irqsave(&hdmi->audio_lock, flags);
916 hdmi->audio_enable = false;
917 if (hdmi->disable_audio)
918 hdmi->disable_audio(hdmi);
919 spin_unlock_irqrestore(&hdmi->audio_lock, flags);
1021 switch (hdmi->hdmi_data.enc_in_bus_format) {
1086 struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data;
1089 is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_in_bus_format);
1090 is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_out_bus_format);
1093 (is_input_rgb && is_output_rgb && hdmi_data->rgb_limited_range);
1098 if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))
1101 if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format) ||
1102 hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_in_bus_format))
1110 if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_in_bus_format))
1113 if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) ||
1114 hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
1134 is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format);
1135 is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format);
1138 if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601)
1143 if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601)
1149 hdmi->hdmi_data.rgb_limited_range) {
1183 switch (hdmi_bus_fmt_color_depth(hdmi->hdmi_data.enc_out_bus_format)) {
1219 struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data;
1224 if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) ||
1225 hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format) ||
1226 hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) {
1228 hdmi->hdmi_data.enc_out_bus_format)) {
1246 } else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) {
1248 hdmi->hdmi_data.enc_out_bus_format)) {
1272 ((hdmi_data->pix_repet_factor <<
1278 * Source shall only send GCPs with non-zero CD to sinks
1281 * Disable Auto GCP when 24-bit color for sinks that not support Deep Color.
1294 if (hdmi_data->pix_repet_factor > 1) {
1340 /* -----------------------------------------------------------------------------
1356 if (msec-- == 0)
1385 if (hdmi->version < 0x200a)
1389 if (!hdmi->ddc)
1392 /* Disable if SCDC is not supported, or if an HF-VSDB block is absent */
1393 if (!display->hdmi.scdc.supported ||
1394 !display->hdmi.scdc.scrambling.supported)
1401 if (!display->hdmi.scdc.scrambling.low_rates &&
1402 display->max_tmds_clock <= 340000)
1410 * - The Source shall suspend transmission of the TMDS clock and data
1411 * - The Source shall write to the TMDS_Bit_Clock_Ratio bit to change it
1413 * - The Source shall allow a minimum of 1 ms and a maximum of 100 ms from
1424 unsigned long mtmdsclock = hdmi->hdmi_data.video_mode.mtmdsclock;
1426 /* Control for TMDS Bit Period/TMDS Clock-Period Ratio */
1429 drm_scdc_set_high_tmds_clock_ratio(hdmi->curr_conn, 1);
1431 drm_scdc_set_high_tmds_clock_ratio(hdmi->curr_conn, 0);
1513 const struct dw_hdmi_phy_data *phy = hdmi->phy.data;
1517 if (phy->gen == 1) {
1538 dev_warn(hdmi->dev, "PHY failed to power down\n");
1540 dev_dbg(hdmi->dev, "PHY powered down in %u iterations\n", i);
1547 const struct dw_hdmi_phy_data *phy = hdmi->phy.data;
1551 if (phy->gen == 1) {
1573 dev_err(hdmi->dev, "PHY PLL failed to lock\n");
1574 return -ETIMEDOUT;
1577 dev_dbg(hdmi->dev, "PHY PLL locked %u iterations\n", i);
1590 const struct dw_hdmi_mpll_config *mpll_config = pdata->mpll_cfg;
1591 const struct dw_hdmi_curr_ctrl *curr_ctrl = pdata->cur_ctr;
1592 const struct dw_hdmi_phy_config *phy_config = pdata->phy_config;
1596 /* PLL/MPLL Cfg - always match on final entry */
1597 for (; mpll_config->mpixelclock != ~0UL; mpll_config++)
1598 if (mpixelclock <= mpll_config->mpixelclock)
1601 for (; curr_ctrl->mpixelclock != ~0UL; curr_ctrl++)
1602 if (mpixelclock <= curr_ctrl->mpixelclock)
1605 for (; phy_config->mpixelclock != ~0UL; phy_config++)
1606 if (mpixelclock <= phy_config->mpixelclock)
1609 if (mpll_config->mpixelclock == ~0UL ||
1610 curr_ctrl->mpixelclock == ~0UL ||
1611 phy_config->mpixelclock == ~0UL)
1612 return -EINVAL;
1614 dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[0].cpce,
1616 dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[0].gmp,
1618 dw_hdmi_phy_i2c_write(hdmi, curr_ctrl->curr[0],
1625 dw_hdmi_phy_i2c_write(hdmi, phy_config->term, HDMI_3D_TX_PHY_TXTERM);
1626 dw_hdmi_phy_i2c_write(hdmi, phy_config->sym_ctr,
1628 dw_hdmi_phy_i2c_write(hdmi, phy_config->vlev_ctr,
1641 const struct dw_hdmi_phy_data *phy = hdmi->phy.data;
1642 const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;
1643 unsigned long mpixelclock = hdmi->hdmi_data.video_mode.mpixelclock;
1644 unsigned long mtmdsclock = hdmi->hdmi_data.video_mode.mtmdsclock;
1652 if (phy->has_svsret)
1662 if (pdata->configure_phy)
1663 ret = pdata->configure_phy(hdmi, pdata->priv_data, mpixelclock);
1665 ret = phy->configure(hdmi, pdata, mpixelclock);
1667 dev_err(hdmi->dev, "PHY configuration failed (clock %lu)\n",
1714 u8 old_mask = hdmi->phy_mask;
1717 hdmi->phy_mask |= HDMI_PHY_RX_SENSE;
1719 hdmi->phy_mask &= ~HDMI_PHY_RX_SENSE;
1721 if (old_mask != hdmi->phy_mask)
1722 hdmi_writeb(hdmi, hdmi->phy_mask, HDMI_PHY_MASK0);
1737 hdmi_writeb(hdmi, hdmi->phy_mask, HDMI_PHY_MASK0);
1755 /* -----------------------------------------------------------------------------
1763 if (hdmi->hdmi_data.video_mode.mdataenablepolarity)
1788 if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
1790 hdmi->hdmi_data.rgb_limited_range ?
1799 if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
1801 else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))
1803 else if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
1809 if (!hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
1810 switch (hdmi->hdmi_data.enc_out_encoding) {
1812 if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601)
1820 if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV709)
1877 /* AVI Data Byte 5- set up input and output pixel repetition */
1878 val = (((hdmi->hdmi_data.video_mode.mpixelrepetitioninput + 1) <<
1881 ((hdmi->hdmi_data.video_mode.mpixelrepetitionoutput <<
1894 /* AVI Data Bytes 6-13 */
1926 dev_err(hdmi->dev, "Failed to pack vendor infoframe: %zd\n",
1962 const struct drm_connector_state *conn_state = connector->state;
1968 if (!hdmi->plat_data->use_drm_infoframe)
1980 dev_err(hdmi->dev, "Failed to pack drm infoframe: %zd\n", err);
2000 const struct drm_hdmi_info *hdmi_info = &display->hdmi;
2001 struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode;
2005 vmode->mpixelclock = mode->clock * 1000;
2007 dev_dbg(hdmi->dev, "final pixclk = %d\n", vmode->mpixelclock);
2009 vmode->mtmdsclock = vmode->mpixelclock;
2011 if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) {
2013 hdmi->hdmi_data.enc_out_bus_format)) {
2015 vmode->mtmdsclock = vmode->mpixelclock * 2;
2018 vmode->mtmdsclock = vmode->mpixelclock * 3 / 2;
2021 vmode->mtmdsclock = vmode->mpixelclock * 5 / 4;
2026 if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
2027 vmode->mtmdsclock /= 2;
2029 dev_dbg(hdmi->dev, "final tmdsclock = %d\n", vmode->mtmdsclock);
2032 inv_val = (hdmi->hdmi_data.hdcp_enable ||
2034 (vmode->mtmdsclock > HDMI14_MAX_TMDSCLK ||
2035 hdmi_info->scdc.scrambling.low_rates)) ?
2039 inv_val |= mode->flags & DRM_MODE_FLAG_PVSYNC ?
2043 inv_val |= mode->flags & DRM_MODE_FLAG_PHSYNC ?
2047 inv_val |= (vmode->mdataenablepolarity ?
2051 if (hdmi->vic == 39)
2054 inv_val |= mode->flags & DRM_MODE_FLAG_INTERLACE ?
2058 inv_val |= mode->flags & DRM_MODE_FLAG_INTERLACE ?
2062 inv_val |= hdmi->sink_is_hdmi ?
2068 hdisplay = mode->hdisplay;
2069 hblank = mode->htotal - mode->hdisplay;
2070 h_de_hs = mode->hsync_start - mode->hdisplay;
2071 hsync_len = mode->hsync_end - mode->hsync_start;
2077 if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) {
2084 vdisplay = mode->vdisplay;
2085 vblank = mode->vtotal - mode->vdisplay;
2086 v_de_vs = mode->vsync_start - mode->vdisplay;
2087 vsync_len = mode->vsync_end - mode->vsync_start;
2093 if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
2102 if (vmode->mtmdsclock > HDMI14_MAX_TMDSCLK ||
2103 hdmi_info->scdc.scrambling.low_rates) {
2113 drm_scdc_readb(hdmi->ddc, SCDC_SINK_VERSION,
2115 drm_scdc_writeb(hdmi->ddc, SCDC_SOURCE_VERSION,
2119 drm_scdc_set_scrambling(hdmi->curr_conn, 1);
2123 * that the quasi-static configuration bit
2135 drm_scdc_set_scrambling(hdmi->curr_conn, 0);
2183 hdmi->mc_clkdis |= HDMI_MC_CLKDIS_HDCPCLK_DISABLE |
2188 hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE;
2189 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
2191 hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE;
2192 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
2196 hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE;
2197 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
2202 hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CSCCLK_DISABLE;
2203 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
2232 switch (hdmi->version) {
2263 hdmi->vic = drm_match_cea_mode(mode);
2265 if (!hdmi->vic) {
2266 dev_dbg(hdmi->dev, "Non-CEA mode used in HDMI\n");
2268 dev_dbg(hdmi->dev, "CEA mode used vic=%d\n", hdmi->vic);
2271 if ((hdmi->vic == 6) || (hdmi->vic == 7) ||
2272 (hdmi->vic == 21) || (hdmi->vic == 22) ||
2273 (hdmi->vic == 2) || (hdmi->vic == 3) ||
2274 (hdmi->vic == 17) || (hdmi->vic == 18))
2275 hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_601;
2277 hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_709;
2279 hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0;
2280 hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0;
2282 if (hdmi->hdmi_data.enc_in_bus_format == MEDIA_BUS_FMT_FIXED)
2283 hdmi->hdmi_data.enc_in_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
2286 if (hdmi->plat_data->input_bus_encoding)
2287 hdmi->hdmi_data.enc_in_encoding =
2288 hdmi->plat_data->input_bus_encoding;
2290 hdmi->hdmi_data.enc_in_encoding = V4L2_YCBCR_ENC_DEFAULT;
2292 if (hdmi->hdmi_data.enc_out_bus_format == MEDIA_BUS_FMT_FIXED)
2293 hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
2295 hdmi->hdmi_data.rgb_limited_range = hdmi->sink_is_hdmi &&
2299 hdmi->hdmi_data.pix_repet_factor = 0;
2300 hdmi->hdmi_data.hdcp_enable = 0;
2301 hdmi->hdmi_data.video_mode.mdataenablepolarity = true;
2304 hdmi_av_composer(hdmi, &connector->display_info, mode);
2307 ret = hdmi->phy.ops->init(hdmi, hdmi->phy.data,
2308 &connector->display_info,
2309 &hdmi->previous_mode);
2312 hdmi->phy.enabled = true;
2317 if (hdmi->sink_has_audio) {
2318 dev_dbg(hdmi->dev, "sink has audio support\n");
2320 /* HDMI Initialization Step E - Configure audio */
2322 hdmi_enable_audio_clk(hdmi, hdmi->audio_enable);
2326 if (hdmi->sink_is_hdmi) {
2327 dev_dbg(hdmi->dev, "%s HDMI mode\n", __func__);
2329 /* HDMI Initialization Step F - Configure AVI InfoFrame */
2334 dev_dbg(hdmi->dev, "%s DVI mode\n", __func__);
2400 hdmi->bridge_is_on = true;
2404 * is only be called when !hdmi->disabled.
2406 dw_hdmi_setup(hdmi, hdmi->curr_conn, &hdmi->previous_mode);
2411 if (hdmi->phy.enabled) {
2412 hdmi->phy.ops->disable(hdmi, hdmi->phy.data);
2413 hdmi->phy.enabled = false;
2416 hdmi->bridge_is_on = false;
2421 int force = hdmi->force;
2423 if (hdmi->disabled) {
2426 if (hdmi->rxsense)
2433 if (hdmi->bridge_is_on)
2436 if (!hdmi->bridge_is_on)
2455 if (hdmi->phy.ops->update_hpd)
2456 hdmi->phy.ops->update_hpd(hdmi, hdmi->phy.data,
2457 hdmi->force, hdmi->disabled,
2458 hdmi->rxsense);
2465 result = hdmi->phy.ops->read_hpd(hdmi, hdmi->phy.data);
2466 hdmi->last_connector_result = result;
2477 if (!hdmi->ddc)
2480 drm_edid = drm_edid_read_ddc(connector, hdmi->ddc);
2482 dev_dbg(hdmi->dev, "failed to get edid\n");
2487 * FIXME: This should use connector->display_info.is_hdmi and
2488 * connector->display_info.has_audio from a path that has read the EDID
2493 dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n",
2494 edid->width_cm, edid->height_cm);
2496 hdmi->sink_is_hdmi = drm_detect_hdmi_monitor(edid);
2497 hdmi->sink_has_audio = drm_detect_monitor_audio(edid);
2502 /* -----------------------------------------------------------------------------
2524 cec_notifier_set_phys_addr(hdmi->cec_notifier,
2525 connector->display_info.source_physical_address);
2539 struct drm_crtc *crtc = new_state->crtc;
2550 crtc_state->mode_changed = true;
2561 mutex_lock(&hdmi->mutex);
2562 hdmi->force = connector->force;
2565 mutex_unlock(&hdmi->mutex);
2585 struct drm_connector *connector = &hdmi->connector;
2589 if (hdmi->version >= 0x200a)
2590 connector->ycbcr_420_allowed =
2591 hdmi->plat_data->ycbcr_420_allowed;
2593 connector->ycbcr_420_allowed = false;
2595 connector->interlace_allowed = 1;
2596 connector->polled = DRM_CONNECTOR_POLL_HPD;
2600 drm_connector_init_with_ddc(hdmi->bridge.dev, connector,
2603 hdmi->ddc);
2613 if (hdmi->version >= 0x200a && hdmi->plat_data->use_drm_infoframe)
2616 drm_connector_attach_encoder(connector, hdmi->bridge.encoder);
2620 notifier = cec_notifier_conn_register(hdmi->dev, NULL, &conn_info);
2622 return -ENOMEM;
2624 mutex_lock(&hdmi->cec_notifier_mutex);
2625 hdmi->cec_notifier = notifier;
2626 mutex_unlock(&hdmi->cec_notifier_mutex);
2631 /* -----------------------------------------------------------------------------
2632 * DRM Bridge Operations
2637 * - MEDIA_BUS_FMT_UYYVYY16_0_5X48,
2638 * - MEDIA_BUS_FMT_UYYVYY12_0_5X36,
2639 * - MEDIA_BUS_FMT_UYYVYY10_0_5X30,
2640 * - MEDIA_BUS_FMT_UYYVYY8_0_5X24,
2641 * - MEDIA_BUS_FMT_RGB888_1X24,
2642 * - MEDIA_BUS_FMT_YUV16_1X48,
2643 * - MEDIA_BUS_FMT_RGB161616_1X48,
2644 * - MEDIA_BUS_FMT_UYVY12_1X24,
2645 * - MEDIA_BUS_FMT_YUV12_1X36,
2646 * - MEDIA_BUS_FMT_RGB121212_1X36,
2647 * - MEDIA_BUS_FMT_UYVY10_1X20,
2648 * - MEDIA_BUS_FMT_YUV10_1X30,
2649 * - MEDIA_BUS_FMT_RGB101010_1X30,
2650 * - MEDIA_BUS_FMT_UYVY8_1X16,
2651 * - MEDIA_BUS_FMT_YUV8_1X24,
2657 static u32 *dw_hdmi_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge,
2663 struct drm_connector *conn = conn_state->connector;
2664 struct drm_display_info *info = &conn->display_info;
2665 struct drm_display_mode *mode = &crtc_state->mode;
2666 u8 max_bpc = conn_state->max_requested_bpc;
2667 bool is_hdmi2_sink = info->hdmi.scdc.supported ||
2668 (info->color_formats & DRM_COLOR_FORMAT_YCBCR420);
2679 /* If dw-hdmi is the first or only bridge, avoid negociating with ourselves */
2680 if (list_is_singular(&bridge->encoder->bridge_chain) ||
2681 list_is_first(&bridge->chain_node, &bridge->encoder->bridge_chain)) {
2692 if (conn->ycbcr_420_allowed &&
2697 if (max_bpc >= 16 && info->bpc == 16 &&
2698 (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_48))
2701 if (max_bpc >= 12 && info->bpc >= 12 &&
2702 (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_36))
2705 if (max_bpc >= 10 && info->bpc >= 10 &&
2706 (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_30))
2726 if (max_bpc >= 16 && info->bpc == 16) {
2727 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444)
2733 if (max_bpc >= 12 && info->bpc >= 12) {
2734 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR422)
2737 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444)
2743 if (max_bpc >= 10 && info->bpc >= 10) {
2744 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR422)
2747 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444)
2753 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR422)
2756 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444)
2766 * - MEDIA_BUS_FMT_RGB888_1X24
2767 * - MEDIA_BUS_FMT_YUV8_1X24
2768 * - MEDIA_BUS_FMT_UYVY8_1X16
2769 * - MEDIA_BUS_FMT_UYYVYY8_0_5X24
2770 * - MEDIA_BUS_FMT_RGB101010_1X30
2771 * - MEDIA_BUS_FMT_YUV10_1X30
2772 * - MEDIA_BUS_FMT_UYVY10_1X20
2773 * - MEDIA_BUS_FMT_UYYVYY10_0_5X30
2774 * - MEDIA_BUS_FMT_RGB121212_1X36
2775 * - MEDIA_BUS_FMT_YUV12_1X36
2776 * - MEDIA_BUS_FMT_UYVY12_1X24
2777 * - MEDIA_BUS_FMT_UYYVYY12_0_5X36
2778 * - MEDIA_BUS_FMT_RGB161616_1X48
2779 * - MEDIA_BUS_FMT_YUV16_1X48
2780 * - MEDIA_BUS_FMT_UYYVYY16_0_5X48
2786 static u32 *dw_hdmi_bridge_atomic_get_input_bus_fmts(struct drm_bridge *bridge,
2888 static int dw_hdmi_bridge_atomic_check(struct drm_bridge *bridge,
2893 struct dw_hdmi *hdmi = bridge->driver_private;
2895 hdmi->hdmi_data.enc_out_bus_format =
2896 bridge_state->output_bus_cfg.format;
2898 hdmi->hdmi_data.enc_in_bus_format =
2899 bridge_state->input_bus_cfg.format;
2901 dev_dbg(hdmi->dev, "input format 0x%04x, output format 0x%04x\n",
2902 bridge_state->input_bus_cfg.format,
2903 bridge_state->output_bus_cfg.format);
2908 static int dw_hdmi_bridge_attach(struct drm_bridge *bridge,
2912 struct dw_hdmi *hdmi = bridge->driver_private;
2915 return drm_bridge_attach(encoder, hdmi->next_bridge,
2916 bridge, flags);
2921 static void dw_hdmi_bridge_detach(struct drm_bridge *bridge)
2923 struct dw_hdmi *hdmi = bridge->driver_private;
2925 mutex_lock(&hdmi->cec_notifier_mutex);
2926 cec_notifier_conn_unregister(hdmi->cec_notifier);
2927 hdmi->cec_notifier = NULL;
2928 mutex_unlock(&hdmi->cec_notifier_mutex);
2932 dw_hdmi_bridge_mode_valid(struct drm_bridge *bridge,
2936 struct dw_hdmi *hdmi = bridge->driver_private;
2937 const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;
2940 /* We don't support double-clocked modes */
2941 if (mode->flags & DRM_MODE_FLAG_DBLCLK)
2944 if (pdata->mode_valid)
2945 mode_status = pdata->mode_valid(hdmi, pdata->priv_data, info,
2951 static void dw_hdmi_bridge_mode_set(struct drm_bridge *bridge,
2955 struct dw_hdmi *hdmi = bridge->driver_private;
2957 mutex_lock(&hdmi->mutex);
2960 drm_mode_copy(&hdmi->previous_mode, mode);
2962 mutex_unlock(&hdmi->mutex);
2965 static void dw_hdmi_bridge_atomic_disable(struct drm_bridge *bridge,
2968 struct dw_hdmi *hdmi = bridge->driver_private;
2970 mutex_lock(&hdmi->mutex);
2971 hdmi->disabled = true;
2972 hdmi->curr_conn = NULL;
2976 mutex_unlock(&hdmi->mutex);
2979 static void dw_hdmi_bridge_atomic_enable(struct drm_bridge *bridge,
2982 struct dw_hdmi *hdmi = bridge->driver_private;
2986 bridge->encoder);
2988 mutex_lock(&hdmi->mutex);
2989 hdmi->disabled = false;
2990 hdmi->curr_conn = connector;
2994 mutex_unlock(&hdmi->mutex);
2998 dw_hdmi_bridge_detect(struct drm_bridge *bridge, struct drm_connector *connector)
3000 struct dw_hdmi *hdmi = bridge->driver_private;
3005 static const struct drm_edid *dw_hdmi_bridge_edid_read(struct drm_bridge *bridge,
3008 struct dw_hdmi *hdmi = bridge->driver_private;
3030 /* -----------------------------------------------------------------------------
3036 struct dw_hdmi_i2c *i2c = hdmi->i2c;
3045 i2c->stat = stat;
3047 complete(&i2c->cmp);
3058 if (hdmi->i2c)
3072 mutex_lock(&hdmi->mutex);
3074 if (!hdmi->force) {
3080 hdmi->rxsense = false;
3089 hdmi->rxsense = true;
3094 mutex_unlock(&hdmi->mutex);
3125 * load - in other words, there's something listening on the
3128 * ask the source to re-read the EDID.
3137 mutex_lock(&hdmi->cec_notifier_mutex);
3138 cec_notifier_phys_addr_invalidate(hdmi->cec_notifier);
3139 mutex_unlock(&hdmi->cec_notifier_mutex);
3150 dev_dbg(hdmi->dev, "EVENT=%s\n",
3154 if (hdmi->bridge.dev) {
3155 drm_helper_hpd_irq_event(hdmi->bridge.dev);
3156 drm_bridge_hpd_notify(&hdmi->bridge, status);
3211 phy_type = hdmi->plat_data->phy_force_vendor ?
3217 if (!hdmi->plat_data->phy_ops || !hdmi->plat_data->phy_name) {
3218 dev_err(hdmi->dev,
3220 return -ENODEV;
3223 hdmi->phy.ops = hdmi->plat_data->phy_ops;
3224 hdmi->phy.data = hdmi->plat_data->phy_data;
3225 hdmi->phy.name = hdmi->plat_data->phy_name;
3232 hdmi->phy.ops = &dw_hdmi_synopsys_phy_ops;
3233 hdmi->phy.name = dw_hdmi_phys[i].name;
3234 hdmi->phy.data = (void *)&dw_hdmi_phys[i];
3237 !hdmi->plat_data->configure_phy) {
3238 dev_err(hdmi->dev, "%s requires platform support\n",
3239 hdmi->phy.name);
3240 return -ENODEV;
3247 dev_err(hdmi->dev, "Unsupported HDMI PHY type (%02x)\n", phy_type);
3248 return -ENODEV;
3253 mutex_lock(&hdmi->mutex);
3254 hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CECCLK_DISABLE;
3255 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
3256 mutex_unlock(&hdmi->mutex);
3261 mutex_lock(&hdmi->mutex);
3262 hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CECCLK_DISABLE;
3263 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
3264 mutex_unlock(&hdmi->mutex);
3299 if (hdmi->phy.ops->setup_hpd)
3300 hdmi->phy.ops->setup_hpd(hdmi, hdmi->phy.data);
3303 /* -----------------------------------------------------------------------------
3304 * Probe/remove API, used from platforms based on the DRM bridge API.
3311 if (!hdmi->plat_data->output_port)
3315 remote = of_graph_get_remote_node(hdmi->dev->of_node,
3316 hdmi->plat_data->output_port,
3317 -1);
3319 return -ENODEV;
3321 hdmi->next_bridge = of_drm_find_bridge(remote);
3323 if (!hdmi->next_bridge)
3324 return -EPROBE_DEFER;
3331 return hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format);
3338 struct device *dev = &pdev->dev;
3339 struct device_node *np = dev->of_node;
3354 hdmi = devm_drm_bridge_alloc(dev, struct dw_hdmi, bridge, &dw_hdmi_bridge_funcs);
3358 hdmi->plat_data = plat_data;
3359 hdmi->dev = dev;
3360 hdmi->sample_rate = 48000;
3361 hdmi->channels = 2;
3362 hdmi->disabled = true;
3363 hdmi->rxsense = true;
3364 hdmi->phy_mask = (u8)~(HDMI_PHY_HPD | HDMI_PHY_RX_SENSE);
3365 hdmi->mc_clkdis = 0x7f;
3366 hdmi->last_connector_result = connector_status_disconnected;
3368 mutex_init(&hdmi->mutex);
3369 mutex_init(&hdmi->audio_mutex);
3370 mutex_init(&hdmi->cec_notifier_mutex);
3371 spin_lock_init(&hdmi->audio_lock);
3377 ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0);
3379 hdmi->ddc = of_get_i2c_adapter_by_node(ddc_node);
3381 if (!hdmi->ddc) {
3382 dev_dbg(hdmi->dev, "failed to read ddc node\n");
3383 return ERR_PTR(-EPROBE_DEFER);
3387 dev_dbg(hdmi->dev, "no ddc property found\n");
3390 if (!plat_data->regm) {
3393 of_property_read_u32(np, "reg-io-width", &val);
3397 hdmi->reg_shift = 2;
3403 dev_err(dev, "reg-io-width must be 1 or 4\n");
3404 return ERR_PTR(-EINVAL);
3408 hdmi->regs = devm_ioremap_resource(dev, iores);
3409 if (IS_ERR(hdmi->regs)) {
3410 ret = PTR_ERR(hdmi->regs);
3414 hdmi->regm = devm_regmap_init_mmio(dev, hdmi->regs, reg_config);
3415 if (IS_ERR(hdmi->regm)) {
3417 ret = PTR_ERR(hdmi->regm);
3421 hdmi->regm = plat_data->regm;
3424 clk = devm_clk_get_enabled(hdmi->dev, "isfr");
3427 dev_err(hdmi->dev, "Unable to get HDMI isfr clk: %d\n", ret);
3431 clk = devm_clk_get_enabled(hdmi->dev, "iahb");
3434 dev_err(hdmi->dev, "Unable to get HDMI iahb clk: %d\n", ret);
3438 clk = devm_clk_get_optional_enabled(hdmi->dev, "cec");
3441 if (ret != -EPROBE_DEFER)
3442 dev_err(hdmi->dev, "Cannot get HDMI cec clock: %d\n",
3448 hdmi->version = (hdmi_readb(hdmi, HDMI_DESIGN_ID) << 8)
3456 hdmi->version, prod_id0, prod_id1);
3457 ret = -ENODEV;
3466 hdmi->version >> 12, hdmi->version & 0xfff,
3468 hdmi->phy.name);
3491 if (!hdmi->ddc) {
3493 hdmi->pinctrl = devm_pinctrl_get(dev);
3494 if (!IS_ERR(hdmi->pinctrl)) {
3495 hdmi->unwedge_state =
3496 pinctrl_lookup_state(hdmi->pinctrl, "unwedge");
3497 hdmi->default_state =
3498 pinctrl_lookup_state(hdmi->pinctrl, "default");
3500 if (IS_ERR(hdmi->default_state) ||
3501 IS_ERR(hdmi->unwedge_state)) {
3502 if (!IS_ERR(hdmi->unwedge_state))
3505 hdmi->default_state = NULL;
3506 hdmi->unwedge_state = NULL;
3510 hdmi->ddc = dw_hdmi_i2c_adapter(hdmi);
3511 if (IS_ERR(hdmi->ddc))
3512 hdmi->ddc = NULL;
3515 hdmi->bridge.driver_private = hdmi;
3516 hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID
3518 hdmi->bridge.interlace_allowed = true;
3519 hdmi->bridge.ddc = hdmi->ddc;
3520 hdmi->bridge.of_node = pdev->dev.of_node;
3521 hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
3523 if (hdmi->version >= 0x200a)
3524 hdmi->bridge.ycbcr_420_allowed = plat_data->ycbcr_420_allowed;
3534 struct dw_hdmi_audio_data audio;
3536 audio.phys = iores->start;
3537 audio.base = hdmi->regs;
3538 audio.irq = irq;
3539 audio.hdmi = hdmi;
3540 audio.get_eld = hdmi_audio_get_eld;
3541 hdmi->enable_audio = dw_hdmi_ahb_audio_enable;
3542 hdmi->disable_audio = dw_hdmi_ahb_audio_disable;
3544 pdevinfo.name = "dw-hdmi-ahb-audio";
3545 pdevinfo.data = &audio;
3546 pdevinfo.size_data = sizeof(audio);
3548 hdmi->audio = platform_device_register_full(&pdevinfo);
3550 struct dw_hdmi_i2s_audio_data audio;
3552 audio.hdmi = hdmi;
3553 audio.get_eld = hdmi_audio_get_eld;
3554 audio.write = hdmi_writeb;
3555 audio.read = hdmi_readb;
3556 hdmi->enable_audio = dw_hdmi_i2s_audio_enable;
3557 hdmi->disable_audio = dw_hdmi_i2s_audio_disable;
3559 pdevinfo.name = "dw-hdmi-i2s-audio";
3560 pdevinfo.data = &audio;
3561 pdevinfo.size_data = sizeof(audio);
3563 hdmi->audio = platform_device_register_full(&pdevinfo);
3565 struct dw_hdmi_audio_data audio;
3567 audio.phys = iores->start;
3568 audio.base = hdmi->regs;
3569 audio.irq = irq;
3570 audio.hdmi = hdmi;
3571 audio.get_eld = hdmi_audio_get_eld;
3573 hdmi->enable_audio = dw_hdmi_gp_audio_enable;
3574 hdmi->disable_audio = dw_hdmi_gp_audio_disable;
3576 pdevinfo.name = "dw-hdmi-gp-audio";
3578 pdevinfo.data = &audio;
3579 pdevinfo.size_data = sizeof(audio);
3581 hdmi->audio = platform_device_register_full(&pdevinfo);
3584 if (!plat_data->disable_cec && (config0 & HDMI_CONFIG0_CEC)) {
3589 pdevinfo.name = "dw-hdmi-cec";
3594 hdmi->cec = platform_device_register_full(&pdevinfo);
3597 drm_bridge_add(&hdmi->bridge);
3602 i2c_put_adapter(hdmi->ddc);
3610 drm_bridge_remove(&hdmi->bridge);
3612 if (hdmi->audio && !IS_ERR(hdmi->audio))
3613 platform_device_unregister(hdmi->audio);
3614 if (!IS_ERR(hdmi->cec))
3615 platform_device_unregister(hdmi->cec);
3620 if (hdmi->i2c)
3621 i2c_del_adapter(&hdmi->i2c->adap);
3623 i2c_put_adapter(hdmi->ddc);
3627 /* -----------------------------------------------------------------------------
3641 ret = drm_bridge_attach(encoder, &hdmi->bridge, NULL, 0);
3664 MODULE_AUTHOR("Andy Yan <andy.yan@rock-chips.com>");
3665 MODULE_AUTHOR("Yakir Yang <ykk@rock-chips.com>");
3669 MODULE_ALIAS("platform:dw-hdmi");