Lines Matching +full:hpd +full:- +full:absent +full:- +full:delay
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.
10 #include <linux/delay.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 */
185 enum drm_connector_force force; /* mutex-protected force state */
226 regmap_write(hdmi->regm, offset << hdmi->reg_shift, val); in hdmi_writeb()
233 regmap_read(hdmi->regm, offset << hdmi->reg_shift, &val); in hdmi_readb()
240 if (hdmi->plugged_cb && hdmi->codec_dev) in handle_plugged_change()
241 hdmi->plugged_cb(hdmi->codec_dev, plugged); in handle_plugged_change()
249 mutex_lock(&hdmi->mutex); in dw_hdmi_set_plugged_cb()
250 hdmi->plugged_cb = fn; in dw_hdmi_set_plugged_cb()
251 hdmi->codec_dev = codec_dev; in dw_hdmi_set_plugged_cb()
252 plugged = hdmi->last_connector_result == connector_status_connected; in dw_hdmi_set_plugged_cb()
254 mutex_unlock(&hdmi->mutex); in dw_hdmi_set_plugged_cb()
262 regmap_update_bits(hdmi->regm, reg << hdmi->reg_shift, mask, data); in hdmi_modb()
303 if (!hdmi->unwedge_state) in dw_hdmi_i2c_unwedge()
306 dev_info(hdmi->dev, "Attempting to unwedge stuck i2c bus\n"); in dw_hdmi_i2c_unwedge()
340 pinctrl_select_state(hdmi->pinctrl, hdmi->unwedge_state); in dw_hdmi_i2c_unwedge()
342 pinctrl_select_state(hdmi->pinctrl, hdmi->default_state); in dw_hdmi_i2c_unwedge()
349 struct dw_hdmi_i2c *i2c = hdmi->i2c; in dw_hdmi_i2c_wait()
352 stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10); in dw_hdmi_i2c_wait()
356 return -EAGAIN; in dw_hdmi_i2c_wait()
359 stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10); in dw_hdmi_i2c_wait()
361 return -EAGAIN; in dw_hdmi_i2c_wait()
365 if (i2c->stat & HDMI_IH_I2CM_STAT0_ERROR) in dw_hdmi_i2c_wait()
366 return -EIO; in dw_hdmi_i2c_wait()
374 struct dw_hdmi_i2c *i2c = hdmi->i2c; in dw_hdmi_i2c_read()
377 if (!i2c->is_regaddr) { in dw_hdmi_i2c_read()
378 dev_dbg(hdmi->dev, "set read register address to 0\n"); in dw_hdmi_i2c_read()
379 i2c->slave_reg = 0x00; in dw_hdmi_i2c_read()
380 i2c->is_regaddr = true; in dw_hdmi_i2c_read()
383 while (length--) { in dw_hdmi_i2c_read()
384 reinit_completion(&i2c->cmp); in dw_hdmi_i2c_read()
386 hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS); in dw_hdmi_i2c_read()
387 if (i2c->is_segment) in dw_hdmi_i2c_read()
400 i2c->is_segment = false; in dw_hdmi_i2c_read()
408 struct dw_hdmi_i2c *i2c = hdmi->i2c; in dw_hdmi_i2c_write()
411 if (!i2c->is_regaddr) { in dw_hdmi_i2c_write()
413 i2c->slave_reg = buf[0]; in dw_hdmi_i2c_write()
414 length--; in dw_hdmi_i2c_write()
416 i2c->is_regaddr = true; in dw_hdmi_i2c_write()
419 while (length--) { in dw_hdmi_i2c_write()
420 reinit_completion(&i2c->cmp); in dw_hdmi_i2c_write()
423 hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS); in dw_hdmi_i2c_write()
439 struct dw_hdmi_i2c *i2c = hdmi->i2c; in dw_hdmi_i2c_xfer()
445 * The internal I2C controller does not support the multi-byte in dw_hdmi_i2c_xfer()
450 return -EOPNOTSUPP; in dw_hdmi_i2c_xfer()
452 dev_dbg(hdmi->dev, "xfer: num: %d, addr: %#x\n", num, addr); in dw_hdmi_i2c_xfer()
456 dev_dbg(hdmi->dev, in dw_hdmi_i2c_xfer()
459 return -EOPNOTSUPP; in dw_hdmi_i2c_xfer()
463 mutex_lock(&i2c->lock); in dw_hdmi_i2c_xfer()
472 i2c->is_regaddr = false; in dw_hdmi_i2c_xfer()
475 i2c->is_segment = false; in dw_hdmi_i2c_xfer()
478 dev_dbg(hdmi->dev, "xfer: num: %d/%d, len: %d, flags: %#x\n", in dw_hdmi_i2c_xfer()
481 i2c->is_segment = true; in dw_hdmi_i2c_xfer()
503 mutex_unlock(&i2c->lock); in dw_hdmi_i2c_xfer()
524 i2c = devm_kzalloc(hdmi->dev, sizeof(*i2c), GFP_KERNEL); in dw_hdmi_i2c_adapter()
526 return ERR_PTR(-ENOMEM); in dw_hdmi_i2c_adapter()
528 mutex_init(&i2c->lock); in dw_hdmi_i2c_adapter()
529 init_completion(&i2c->cmp); in dw_hdmi_i2c_adapter()
531 adap = &i2c->adap; in dw_hdmi_i2c_adapter()
532 adap->class = I2C_CLASS_DDC; in dw_hdmi_i2c_adapter()
533 adap->owner = THIS_MODULE; in dw_hdmi_i2c_adapter()
534 adap->dev.parent = hdmi->dev; in dw_hdmi_i2c_adapter()
535 adap->algo = &dw_hdmi_algorithm; in dw_hdmi_i2c_adapter()
536 strlcpy(adap->name, "DesignWare HDMI", sizeof(adap->name)); in dw_hdmi_i2c_adapter()
541 dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name); in dw_hdmi_i2c_adapter()
542 devm_kfree(hdmi->dev, i2c); in dw_hdmi_i2c_adapter()
546 hdmi->i2c = i2c; in dw_hdmi_i2c_adapter()
548 dev_info(hdmi->dev, "registered %s I2C bus driver\n", adap->name); in dw_hdmi_i2c_adapter()
676 * can be up to 20 bits in total, so we need 64-bit math. Also in hdmi_set_clk_regenerator()
685 dev_dbg(hdmi->dev, "%s: fs=%uHz ftdms=%lu.%03luMHz N=%d cts=%d\n", in hdmi_set_clk_regenerator()
693 spin_lock_irq(&hdmi->audio_lock); in hdmi_set_clk_regenerator()
694 hdmi->audio_n = n; in hdmi_set_clk_regenerator()
695 hdmi->audio_cts = cts; in hdmi_set_clk_regenerator()
696 hdmi_set_cts_n(hdmi, cts, hdmi->audio_enable ? n : 0); in hdmi_set_clk_regenerator()
697 spin_unlock_irq(&hdmi->audio_lock); in hdmi_set_clk_regenerator()
702 mutex_lock(&hdmi->audio_mutex); in hdmi_init_clk_regenerator()
703 hdmi_set_clk_regenerator(hdmi, 74250000, hdmi->sample_rate); in hdmi_init_clk_regenerator()
704 mutex_unlock(&hdmi->audio_mutex); in hdmi_init_clk_regenerator()
709 mutex_lock(&hdmi->audio_mutex); in hdmi_clk_regenerator_update_pixel_clock()
710 hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mtmdsclock, in hdmi_clk_regenerator_update_pixel_clock()
711 hdmi->sample_rate); in hdmi_clk_regenerator_update_pixel_clock()
712 mutex_unlock(&hdmi->audio_mutex); in hdmi_clk_regenerator_update_pixel_clock()
717 mutex_lock(&hdmi->audio_mutex); in dw_hdmi_set_sample_width()
718 hdmi->sample_width = width; in dw_hdmi_set_sample_width()
719 mutex_unlock(&hdmi->audio_mutex); in dw_hdmi_set_sample_width()
725 mutex_lock(&hdmi->audio_mutex); in dw_hdmi_set_sample_non_pcm()
726 hdmi->sample_non_pcm = non_pcm; in dw_hdmi_set_sample_non_pcm()
727 mutex_unlock(&hdmi->audio_mutex); in dw_hdmi_set_sample_non_pcm()
733 mutex_lock(&hdmi->audio_mutex); in dw_hdmi_set_sample_rate()
734 hdmi->sample_rate = rate; in dw_hdmi_set_sample_rate()
735 hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mtmdsclock, in dw_hdmi_set_sample_rate()
736 hdmi->sample_rate); in dw_hdmi_set_sample_rate()
737 mutex_unlock(&hdmi->audio_mutex); in dw_hdmi_set_sample_rate()
745 mutex_lock(&hdmi->audio_mutex); in dw_hdmi_set_channel_count()
746 hdmi->channels = cnt; in dw_hdmi_set_channel_count()
761 hdmi_modb(hdmi, (cnt - 1) << HDMI_FC_AUDICONF0_CC_OFFSET, in dw_hdmi_set_channel_count()
764 mutex_unlock(&hdmi->audio_mutex); in dw_hdmi_set_channel_count()
770 mutex_lock(&hdmi->audio_mutex); in dw_hdmi_set_channel_allocation()
774 mutex_unlock(&hdmi->audio_mutex); in dw_hdmi_set_channel_allocation()
781 hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_AUDCLK_DISABLE; in hdmi_enable_audio_clk()
783 hdmi->mc_clkdis |= HDMI_MC_CLKDIS_AUDCLK_DISABLE; in hdmi_enable_audio_clk()
784 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); in hdmi_enable_audio_clk()
789 if (!hdmi->curr_conn) in hdmi_audio_get_eld()
792 return hdmi->curr_conn->eld; in hdmi_audio_get_eld()
797 const struct dw_hdmi_plat_data *pdata = hdmi->plat_data; in dw_hdmi_gp_audio_enable()
799 int ch_mask = BIT(hdmi->channels) - 1; in dw_hdmi_gp_audio_enable()
801 switch (hdmi->sample_rate) { in dw_hdmi_gp_audio_enable()
834 hdmi_set_cts_n(hdmi, hdmi->audio_cts, hdmi->audio_n); in dw_hdmi_gp_audio_enable()
838 hdmi_writeb(hdmi, hdmi->channels, HDMI_FC_AUDSCHNLS2); in dw_hdmi_gp_audio_enable()
853 if (hdmi->sample_rate == 192000 && hdmi->channels == 8 && in dw_hdmi_gp_audio_enable()
854 hdmi->sample_width == 32 && hdmi->sample_non_pcm) in dw_hdmi_gp_audio_enable()
857 if (pdata->enable_audio) in dw_hdmi_gp_audio_enable()
858 pdata->enable_audio(hdmi, in dw_hdmi_gp_audio_enable()
859 hdmi->channels, in dw_hdmi_gp_audio_enable()
860 hdmi->sample_width, in dw_hdmi_gp_audio_enable()
861 hdmi->sample_rate, in dw_hdmi_gp_audio_enable()
862 hdmi->sample_non_pcm); in dw_hdmi_gp_audio_enable()
867 const struct dw_hdmi_plat_data *pdata = hdmi->plat_data; in dw_hdmi_gp_audio_disable()
869 hdmi_set_cts_n(hdmi, hdmi->audio_cts, 0); in dw_hdmi_gp_audio_disable()
872 if (pdata->disable_audio) in dw_hdmi_gp_audio_disable()
873 pdata->disable_audio(hdmi); in dw_hdmi_gp_audio_disable()
880 hdmi_set_cts_n(hdmi, hdmi->audio_cts, hdmi->audio_n); in dw_hdmi_ahb_audio_enable()
885 hdmi_set_cts_n(hdmi, hdmi->audio_cts, 0); in dw_hdmi_ahb_audio_disable()
890 hdmi_set_cts_n(hdmi, hdmi->audio_cts, hdmi->audio_n); in dw_hdmi_i2s_audio_enable()
903 spin_lock_irqsave(&hdmi->audio_lock, flags); in dw_hdmi_audio_enable()
904 hdmi->audio_enable = true; in dw_hdmi_audio_enable()
905 if (hdmi->enable_audio) in dw_hdmi_audio_enable()
906 hdmi->enable_audio(hdmi); in dw_hdmi_audio_enable()
907 spin_unlock_irqrestore(&hdmi->audio_lock, flags); in dw_hdmi_audio_enable()
915 spin_lock_irqsave(&hdmi->audio_lock, flags); in dw_hdmi_audio_disable()
916 hdmi->audio_enable = false; in dw_hdmi_audio_disable()
917 if (hdmi->disable_audio) in dw_hdmi_audio_disable()
918 hdmi->disable_audio(hdmi); in dw_hdmi_audio_disable()
919 spin_unlock_irqrestore(&hdmi->audio_lock, flags); in dw_hdmi_audio_disable()
1021 switch (hdmi->hdmi_data.enc_in_bus_format) { in hdmi_video_sample()
1086 struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data; in is_color_space_conversion()
1089 is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_in_bus_format); in is_color_space_conversion()
1090 is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_out_bus_format); in is_color_space_conversion()
1093 (is_input_rgb && is_output_rgb && hdmi_data->rgb_limited_range); in is_color_space_conversion()
1098 if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) in is_color_space_decimation()
1101 if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format) || in is_color_space_decimation()
1102 hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_in_bus_format)) in is_color_space_decimation()
1110 if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_in_bus_format)) in is_color_space_interpolation()
1113 if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) || in is_color_space_interpolation()
1114 hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format)) in is_color_space_interpolation()
1134 is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format); in dw_hdmi_update_csc_coeffs()
1135 is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format); in dw_hdmi_update_csc_coeffs()
1138 if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601) in dw_hdmi_update_csc_coeffs()
1143 if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601) in dw_hdmi_update_csc_coeffs()
1149 hdmi->hdmi_data.rgb_limited_range) { in dw_hdmi_update_csc_coeffs()
1183 switch (hdmi_bus_fmt_color_depth(hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_video_csc()
1219 struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data; in hdmi_video_packetize()
1224 if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) || in hdmi_video_packetize()
1225 hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format) || in hdmi_video_packetize()
1226 hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_video_packetize()
1228 hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_video_packetize()
1246 } else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_video_packetize()
1248 hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_video_packetize()
1272 ((hdmi_data->pix_repet_factor << in hdmi_video_packetize()
1278 * Source shall only send GCPs with non-zero CD to sinks in hdmi_video_packetize()
1281 * Disable Auto GCP when 24-bit color for sinks that not support Deep Color. in hdmi_video_packetize()
1294 if (hdmi_data->pix_repet_factor > 1) { in hdmi_video_packetize()
1340 /* -----------------------------------------------------------------------------
1356 if (msec-- == 0) in hdmi_phy_wait_i2c_done()
1385 if (hdmi->version < 0x200a) in dw_hdmi_support_scdc()
1389 if (!hdmi->ddc) in dw_hdmi_support_scdc()
1392 /* Disable if SCDC is not supported, or if an HF-VSDB block is absent */ in dw_hdmi_support_scdc()
1393 if (!display->hdmi.scdc.supported || in dw_hdmi_support_scdc()
1394 !display->hdmi.scdc.scrambling.supported) in dw_hdmi_support_scdc()
1401 if (!display->hdmi.scdc.scrambling.low_rates && in dw_hdmi_support_scdc()
1402 display->max_tmds_clock <= 340000) in dw_hdmi_support_scdc()
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
1417 * To respect the 100ms maximum delay, the dw_hdmi_set_high_tmds_clock_ratio()
1424 unsigned long mtmdsclock = hdmi->hdmi_data.video_mode.mtmdsclock; in dw_hdmi_set_high_tmds_clock_ratio()
1426 /* Control for TMDS Bit Period/TMDS Clock-Period Ratio */ in dw_hdmi_set_high_tmds_clock_ratio()
1429 drm_scdc_set_high_tmds_clock_ratio(hdmi->ddc, 1); in dw_hdmi_set_high_tmds_clock_ratio()
1431 drm_scdc_set_high_tmds_clock_ratio(hdmi->ddc, 0); in dw_hdmi_set_high_tmds_clock_ratio()
1513 const struct dw_hdmi_phy_data *phy = hdmi->phy.data; in dw_hdmi_phy_power_off()
1517 if (phy->gen == 1) { in dw_hdmi_phy_power_off()
1538 dev_warn(hdmi->dev, "PHY failed to power down\n"); in dw_hdmi_phy_power_off()
1540 dev_dbg(hdmi->dev, "PHY powered down in %u iterations\n", i); in dw_hdmi_phy_power_off()
1547 const struct dw_hdmi_phy_data *phy = hdmi->phy.data; in dw_hdmi_phy_power_on()
1551 if (phy->gen == 1) { in dw_hdmi_phy_power_on()
1573 dev_err(hdmi->dev, "PHY PLL failed to lock\n"); in dw_hdmi_phy_power_on()
1574 return -ETIMEDOUT; in dw_hdmi_phy_power_on()
1577 dev_dbg(hdmi->dev, "PHY PLL locked %u iterations\n", i); in dw_hdmi_phy_power_on()
1590 const struct dw_hdmi_mpll_config *mpll_config = pdata->mpll_cfg; in hdmi_phy_configure_dwc_hdmi_3d_tx()
1591 const struct dw_hdmi_curr_ctrl *curr_ctrl = pdata->cur_ctr; in hdmi_phy_configure_dwc_hdmi_3d_tx()
1592 const struct dw_hdmi_phy_config *phy_config = pdata->phy_config; in hdmi_phy_configure_dwc_hdmi_3d_tx()
1596 /* PLL/MPLL Cfg - always match on final entry */ in hdmi_phy_configure_dwc_hdmi_3d_tx()
1597 for (; mpll_config->mpixelclock != ~0UL; mpll_config++) in hdmi_phy_configure_dwc_hdmi_3d_tx()
1598 if (mpixelclock <= mpll_config->mpixelclock) in hdmi_phy_configure_dwc_hdmi_3d_tx()
1601 for (; curr_ctrl->mpixelclock != ~0UL; curr_ctrl++) in hdmi_phy_configure_dwc_hdmi_3d_tx()
1602 if (mpixelclock <= curr_ctrl->mpixelclock) in hdmi_phy_configure_dwc_hdmi_3d_tx()
1605 for (; phy_config->mpixelclock != ~0UL; phy_config++) in hdmi_phy_configure_dwc_hdmi_3d_tx()
1606 if (mpixelclock <= phy_config->mpixelclock) in hdmi_phy_configure_dwc_hdmi_3d_tx()
1609 if (mpll_config->mpixelclock == ~0UL || in hdmi_phy_configure_dwc_hdmi_3d_tx()
1610 curr_ctrl->mpixelclock == ~0UL || in hdmi_phy_configure_dwc_hdmi_3d_tx()
1611 phy_config->mpixelclock == ~0UL) in hdmi_phy_configure_dwc_hdmi_3d_tx()
1612 return -EINVAL; in hdmi_phy_configure_dwc_hdmi_3d_tx()
1614 dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[0].cpce, in hdmi_phy_configure_dwc_hdmi_3d_tx()
1616 dw_hdmi_phy_i2c_write(hdmi, mpll_config->res[0].gmp, in hdmi_phy_configure_dwc_hdmi_3d_tx()
1618 dw_hdmi_phy_i2c_write(hdmi, curr_ctrl->curr[0], in hdmi_phy_configure_dwc_hdmi_3d_tx()
1625 dw_hdmi_phy_i2c_write(hdmi, phy_config->term, HDMI_3D_TX_PHY_TXTERM); in hdmi_phy_configure_dwc_hdmi_3d_tx()
1626 dw_hdmi_phy_i2c_write(hdmi, phy_config->sym_ctr, in hdmi_phy_configure_dwc_hdmi_3d_tx()
1628 dw_hdmi_phy_i2c_write(hdmi, phy_config->vlev_ctr, in hdmi_phy_configure_dwc_hdmi_3d_tx()
1641 const struct dw_hdmi_phy_data *phy = hdmi->phy.data; in hdmi_phy_configure()
1642 const struct dw_hdmi_plat_data *pdata = hdmi->plat_data; in hdmi_phy_configure()
1643 unsigned long mpixelclock = hdmi->hdmi_data.video_mode.mpixelclock; in hdmi_phy_configure()
1644 unsigned long mtmdsclock = hdmi->hdmi_data.video_mode.mtmdsclock; in hdmi_phy_configure()
1652 if (phy->has_svsret) in hdmi_phy_configure()
1662 if (pdata->configure_phy) in hdmi_phy_configure()
1663 ret = pdata->configure_phy(hdmi, pdata->priv_data, mpixelclock); in hdmi_phy_configure()
1665 ret = phy->configure(hdmi, pdata, mpixelclock); in hdmi_phy_configure()
1667 dev_err(hdmi->dev, "PHY configuration failed (clock %lu)\n", in hdmi_phy_configure()
1714 u8 old_mask = hdmi->phy_mask; in dw_hdmi_phy_update_hpd()
1717 hdmi->phy_mask |= HDMI_PHY_RX_SENSE; in dw_hdmi_phy_update_hpd()
1719 hdmi->phy_mask &= ~HDMI_PHY_RX_SENSE; in dw_hdmi_phy_update_hpd()
1721 if (old_mask != hdmi->phy_mask) in dw_hdmi_phy_update_hpd()
1722 hdmi_writeb(hdmi, hdmi->phy_mask, HDMI_PHY_MASK0); in dw_hdmi_phy_update_hpd()
1729 * Configure the PHY RX SENSE and HPD interrupts polarities and clear in dw_hdmi_phy_setup_hpd()
1737 hdmi_writeb(hdmi, hdmi->phy_mask, HDMI_PHY_MASK0); in dw_hdmi_phy_setup_hpd()
1755 /* -----------------------------------------------------------------------------
1763 if (hdmi->hdmi_data.video_mode.mdataenablepolarity) in hdmi_tx_hdcp_config()
1788 if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_config_AVI()
1790 hdmi->hdmi_data.rgb_limited_range ? in hdmi_config_AVI()
1799 if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format)) in hdmi_config_AVI()
1801 else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) in hdmi_config_AVI()
1803 else if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) in hdmi_config_AVI()
1809 if (!hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_config_AVI()
1810 switch (hdmi->hdmi_data.enc_out_encoding) { in hdmi_config_AVI()
1812 if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601) in hdmi_config_AVI()
1820 if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV709) in hdmi_config_AVI()
1877 /* AVI Data Byte 5- set up input and output pixel repetition */ in hdmi_config_AVI()
1878 val = (((hdmi->hdmi_data.video_mode.mpixelrepetitioninput + 1) << in hdmi_config_AVI()
1881 ((hdmi->hdmi_data.video_mode.mpixelrepetitionoutput << in hdmi_config_AVI()
1894 /* AVI Data Bytes 6-13 */ in hdmi_config_AVI()
1926 dev_err(hdmi->dev, "Failed to pack vendor infoframe: %zd\n", in hdmi_config_vendor_specific_infoframe()
1962 const struct drm_connector_state *conn_state = connector->state; in hdmi_config_drm_infoframe()
1968 if (!hdmi->plat_data->use_drm_infoframe) in hdmi_config_drm_infoframe()
1980 dev_err(hdmi->dev, "Failed to pack drm infoframe: %zd\n", err); in hdmi_config_drm_infoframe()
2000 const struct drm_hdmi_info *hdmi_info = &display->hdmi; in hdmi_av_composer()
2001 struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode; in hdmi_av_composer()
2005 vmode->mpixelclock = mode->clock * 1000; in hdmi_av_composer()
2007 dev_dbg(hdmi->dev, "final pixclk = %d\n", vmode->mpixelclock); in hdmi_av_composer()
2009 vmode->mtmdsclock = vmode->mpixelclock; in hdmi_av_composer()
2011 if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_av_composer()
2013 hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_av_composer()
2015 vmode->mtmdsclock = vmode->mpixelclock * 2; in hdmi_av_composer()
2018 vmode->mtmdsclock = vmode->mpixelclock * 3 / 2; in hdmi_av_composer()
2021 vmode->mtmdsclock = vmode->mpixelclock * 5 / 4; in hdmi_av_composer()
2026 if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) in hdmi_av_composer()
2027 vmode->mtmdsclock /= 2; in hdmi_av_composer()
2029 dev_dbg(hdmi->dev, "final tmdsclock = %d\n", vmode->mtmdsclock); in hdmi_av_composer()
2032 inv_val = (hdmi->hdmi_data.hdcp_enable || in hdmi_av_composer()
2034 (vmode->mtmdsclock > HDMI14_MAX_TMDSCLK || in hdmi_av_composer()
2035 hdmi_info->scdc.scrambling.low_rates)) ? in hdmi_av_composer()
2039 inv_val |= mode->flags & DRM_MODE_FLAG_PVSYNC ? in hdmi_av_composer()
2043 inv_val |= mode->flags & DRM_MODE_FLAG_PHSYNC ? in hdmi_av_composer()
2047 inv_val |= (vmode->mdataenablepolarity ? in hdmi_av_composer()
2051 if (hdmi->vic == 39) in hdmi_av_composer()
2054 inv_val |= mode->flags & DRM_MODE_FLAG_INTERLACE ? in hdmi_av_composer()
2058 inv_val |= mode->flags & DRM_MODE_FLAG_INTERLACE ? in hdmi_av_composer()
2062 inv_val |= hdmi->sink_is_hdmi ? in hdmi_av_composer()
2068 hdisplay = mode->hdisplay; in hdmi_av_composer()
2069 hblank = mode->htotal - mode->hdisplay; in hdmi_av_composer()
2070 h_de_hs = mode->hsync_start - mode->hdisplay; in hdmi_av_composer()
2071 hsync_len = mode->hsync_end - mode->hsync_start; in hdmi_av_composer()
2077 if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) { in hdmi_av_composer()
2084 vdisplay = mode->vdisplay; in hdmi_av_composer()
2085 vblank = mode->vtotal - mode->vdisplay; in hdmi_av_composer()
2086 v_de_vs = mode->vsync_start - mode->vdisplay; in hdmi_av_composer()
2087 vsync_len = mode->vsync_end - mode->vsync_start; in hdmi_av_composer()
2093 if (mode->flags & DRM_MODE_FLAG_INTERLACE) { in hdmi_av_composer()
2102 if (vmode->mtmdsclock > HDMI14_MAX_TMDSCLK || in hdmi_av_composer()
2103 hdmi_info->scdc.scrambling.low_rates) { in hdmi_av_composer()
2113 drm_scdc_readb(hdmi->ddc, SCDC_SINK_VERSION, in hdmi_av_composer()
2115 drm_scdc_writeb(hdmi->ddc, SCDC_SOURCE_VERSION, in hdmi_av_composer()
2119 drm_scdc_set_scrambling(hdmi->ddc, 1); in hdmi_av_composer()
2123 * that the quasi-static configuration bit in hdmi_av_composer()
2135 drm_scdc_set_scrambling(hdmi->ddc, 0); in hdmi_av_composer()
2154 /* Set up HSYNC active edge delay width (in pixel clks) */ in hdmi_av_composer()
2158 /* Set up VSYNC active edge delay (in lines) */ in hdmi_av_composer()
2165 /* Set up VSYNC active edge delay (in lines) */ in hdmi_av_composer()
2183 hdmi->mc_clkdis |= HDMI_MC_CLKDIS_HDCPCLK_DISABLE | in dw_hdmi_enable_video_path()
2188 hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_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->mc_clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE; in dw_hdmi_enable_video_path()
2192 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); in dw_hdmi_enable_video_path()
2196 hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE; in dw_hdmi_enable_video_path()
2197 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); in dw_hdmi_enable_video_path()
2202 hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CSCCLK_DISABLE; in dw_hdmi_enable_video_path()
2203 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); in dw_hdmi_enable_video_path()
2232 switch (hdmi->version) { in dw_hdmi_clear_overflow()
2263 hdmi->vic = drm_match_cea_mode(mode); in dw_hdmi_setup()
2265 if (!hdmi->vic) { in dw_hdmi_setup()
2266 dev_dbg(hdmi->dev, "Non-CEA mode used in HDMI\n"); in dw_hdmi_setup()
2268 dev_dbg(hdmi->dev, "CEA mode used vic=%d\n", hdmi->vic); in dw_hdmi_setup()
2271 if ((hdmi->vic == 6) || (hdmi->vic == 7) || in dw_hdmi_setup()
2272 (hdmi->vic == 21) || (hdmi->vic == 22) || in dw_hdmi_setup()
2273 (hdmi->vic == 2) || (hdmi->vic == 3) || in dw_hdmi_setup()
2274 (hdmi->vic == 17) || (hdmi->vic == 18)) in dw_hdmi_setup()
2275 hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_601; in dw_hdmi_setup()
2277 hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_709; in dw_hdmi_setup()
2279 hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0; in dw_hdmi_setup()
2280 hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0; in dw_hdmi_setup()
2282 if (hdmi->hdmi_data.enc_in_bus_format == MEDIA_BUS_FMT_FIXED) in dw_hdmi_setup()
2283 hdmi->hdmi_data.enc_in_bus_format = MEDIA_BUS_FMT_RGB888_1X24; in dw_hdmi_setup()
2286 if (hdmi->plat_data->input_bus_encoding) in dw_hdmi_setup()
2287 hdmi->hdmi_data.enc_in_encoding = in dw_hdmi_setup()
2288 hdmi->plat_data->input_bus_encoding; in dw_hdmi_setup()
2290 hdmi->hdmi_data.enc_in_encoding = V4L2_YCBCR_ENC_DEFAULT; in dw_hdmi_setup()
2292 if (hdmi->hdmi_data.enc_out_bus_format == MEDIA_BUS_FMT_FIXED) in dw_hdmi_setup()
2293 hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24; in dw_hdmi_setup()
2295 hdmi->hdmi_data.rgb_limited_range = hdmi->sink_is_hdmi && in dw_hdmi_setup()
2299 hdmi->hdmi_data.pix_repet_factor = 0; in dw_hdmi_setup()
2300 hdmi->hdmi_data.hdcp_enable = 0; in dw_hdmi_setup()
2301 hdmi->hdmi_data.video_mode.mdataenablepolarity = true; in dw_hdmi_setup()
2304 hdmi_av_composer(hdmi, &connector->display_info, mode); in dw_hdmi_setup()
2307 ret = hdmi->phy.ops->init(hdmi, hdmi->phy.data, in dw_hdmi_setup()
2308 &connector->display_info, in dw_hdmi_setup()
2309 &hdmi->previous_mode); in dw_hdmi_setup()
2312 hdmi->phy.enabled = true; in dw_hdmi_setup()
2317 if (hdmi->sink_has_audio) { in dw_hdmi_setup()
2318 dev_dbg(hdmi->dev, "sink has audio support\n"); in dw_hdmi_setup()
2320 /* HDMI Initialization Step E - Configure audio */ in dw_hdmi_setup()
2322 hdmi_enable_audio_clk(hdmi, hdmi->audio_enable); in dw_hdmi_setup()
2326 if (hdmi->sink_is_hdmi) { in dw_hdmi_setup()
2327 dev_dbg(hdmi->dev, "%s HDMI mode\n", __func__); in dw_hdmi_setup()
2329 /* HDMI Initialization Step F - Configure AVI InfoFrame */ in dw_hdmi_setup()
2334 dev_dbg(hdmi->dev, "%s DVI mode\n", __func__); in dw_hdmi_setup()
2400 hdmi->bridge_is_on = true; in dw_hdmi_poweron()
2404 * is only be called when !hdmi->disabled. in dw_hdmi_poweron()
2406 dw_hdmi_setup(hdmi, hdmi->curr_conn, &hdmi->previous_mode); in dw_hdmi_poweron()
2411 if (hdmi->phy.enabled) { in dw_hdmi_poweroff()
2412 hdmi->phy.ops->disable(hdmi, hdmi->phy.data); in dw_hdmi_poweroff()
2413 hdmi->phy.enabled = false; in dw_hdmi_poweroff()
2416 hdmi->bridge_is_on = false; in dw_hdmi_poweroff()
2421 int force = hdmi->force; in dw_hdmi_update_power()
2423 if (hdmi->disabled) { in dw_hdmi_update_power()
2426 if (hdmi->rxsense) in dw_hdmi_update_power()
2433 if (hdmi->bridge_is_on) in dw_hdmi_update_power()
2436 if (!hdmi->bridge_is_on) in dw_hdmi_update_power()
2450 * Note: we still need to listen for HPD interrupts even when DRM has us
2455 if (hdmi->phy.ops->update_hpd) in dw_hdmi_update_phy_mask()
2456 hdmi->phy.ops->update_hpd(hdmi, hdmi->phy.data, in dw_hdmi_update_phy_mask()
2457 hdmi->force, hdmi->disabled, in dw_hdmi_update_phy_mask()
2458 hdmi->rxsense); in dw_hdmi_update_phy_mask()
2465 result = hdmi->phy.ops->read_hpd(hdmi, hdmi->phy.data); in dw_hdmi_detect()
2467 mutex_lock(&hdmi->mutex); in dw_hdmi_detect()
2468 if (result != hdmi->last_connector_result) { in dw_hdmi_detect()
2469 dev_dbg(hdmi->dev, "read_hpd result: %d", result); in dw_hdmi_detect()
2472 hdmi->last_connector_result = result; in dw_hdmi_detect()
2474 mutex_unlock(&hdmi->mutex); in dw_hdmi_detect()
2484 if (!hdmi->ddc) in dw_hdmi_get_edid()
2487 edid = drm_get_edid(connector, hdmi->ddc); in dw_hdmi_get_edid()
2489 dev_dbg(hdmi->dev, "failed to get edid\n"); in dw_hdmi_get_edid()
2493 dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n", in dw_hdmi_get_edid()
2494 edid->width_cm, edid->height_cm); in dw_hdmi_get_edid()
2496 hdmi->sink_is_hdmi = drm_detect_hdmi_monitor(edid); in dw_hdmi_get_edid()
2497 hdmi->sink_has_audio = drm_detect_monitor_audio(edid); in dw_hdmi_get_edid()
2502 /* -----------------------------------------------------------------------------
2526 cec_notifier_set_phys_addr_from_edid(hdmi->cec_notifier, edid); in dw_hdmi_connector_get_modes()
2540 struct drm_crtc *crtc = new_state->crtc; in dw_hdmi_connector_atomic_check()
2551 crtc_state->mode_changed = true; in dw_hdmi_connector_atomic_check()
2562 mutex_lock(&hdmi->mutex); in dw_hdmi_connector_force()
2563 hdmi->force = connector->force; in dw_hdmi_connector_force()
2566 mutex_unlock(&hdmi->mutex); in dw_hdmi_connector_force()
2586 struct drm_connector *connector = &hdmi->connector; in dw_hdmi_connector_create()
2590 if (hdmi->version >= 0x200a) in dw_hdmi_connector_create()
2591 connector->ycbcr_420_allowed = in dw_hdmi_connector_create()
2592 hdmi->plat_data->ycbcr_420_allowed; in dw_hdmi_connector_create()
2594 connector->ycbcr_420_allowed = false; in dw_hdmi_connector_create()
2596 connector->interlace_allowed = 1; in dw_hdmi_connector_create()
2597 connector->polled = DRM_CONNECTOR_POLL_HPD; in dw_hdmi_connector_create()
2601 drm_connector_init_with_ddc(hdmi->bridge.dev, connector, in dw_hdmi_connector_create()
2604 hdmi->ddc); in dw_hdmi_connector_create()
2614 if (hdmi->version >= 0x200a && hdmi->plat_data->use_drm_infoframe) in dw_hdmi_connector_create()
2617 drm_connector_attach_encoder(connector, hdmi->bridge.encoder); in dw_hdmi_connector_create()
2621 notifier = cec_notifier_conn_register(hdmi->dev, NULL, &conn_info); in dw_hdmi_connector_create()
2623 return -ENOMEM; in dw_hdmi_connector_create()
2625 mutex_lock(&hdmi->cec_notifier_mutex); in dw_hdmi_connector_create()
2626 hdmi->cec_notifier = notifier; in dw_hdmi_connector_create()
2627 mutex_unlock(&hdmi->cec_notifier_mutex); in dw_hdmi_connector_create()
2632 /* -----------------------------------------------------------------------------
2638 * - MEDIA_BUS_FMT_UYYVYY16_0_5X48,
2639 * - MEDIA_BUS_FMT_UYYVYY12_0_5X36,
2640 * - MEDIA_BUS_FMT_UYYVYY10_0_5X30,
2641 * - MEDIA_BUS_FMT_UYYVYY8_0_5X24,
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,
2652 * - MEDIA_BUS_FMT_RGB888_1X24,
2664 struct drm_connector *conn = conn_state->connector; in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2665 struct drm_display_info *info = &conn->display_info; in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2666 struct drm_display_mode *mode = &crtc_state->mode; in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2667 u8 max_bpc = conn_state->max_requested_bpc; in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2668 bool is_hdmi2_sink = info->hdmi.scdc.supported || in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2669 (info->color_formats & DRM_COLOR_FORMAT_YCBCR420); in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2680 /* If dw-hdmi is the first or only bridge, avoid negociating with ourselves */ in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2681 if (list_is_singular(&bridge->encoder->bridge_chain) || in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2682 list_is_first(&bridge->chain_node, &bridge->encoder->bridge_chain)) { in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2693 if (conn->ycbcr_420_allowed && in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2698 if (max_bpc >= 16 && info->bpc == 16 && in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2699 (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_48)) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2702 if (max_bpc >= 12 && info->bpc >= 12 && in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2703 (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_36)) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2706 if (max_bpc >= 10 && info->bpc >= 10 && in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2707 (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_30)) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2726 if (max_bpc >= 16 && info->bpc == 16) { in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2727 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2733 if (max_bpc >= 12 && info->bpc >= 12) { in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2734 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR422) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2737 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2743 if (max_bpc >= 10 && info->bpc >= 10) { in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2744 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR422) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2747 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2753 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR422) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
2756 if (info->color_formats & DRM_COLOR_FORMAT_YCBCR444) in dw_hdmi_bridge_atomic_get_output_bus_fmts()
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
2893 struct dw_hdmi *hdmi = bridge->driver_private; in dw_hdmi_bridge_atomic_check()
2895 hdmi->hdmi_data.enc_out_bus_format = in dw_hdmi_bridge_atomic_check()
2896 bridge_state->output_bus_cfg.format; in dw_hdmi_bridge_atomic_check()
2898 hdmi->hdmi_data.enc_in_bus_format = in dw_hdmi_bridge_atomic_check()
2899 bridge_state->input_bus_cfg.format; in dw_hdmi_bridge_atomic_check()
2901 dev_dbg(hdmi->dev, "input format 0x%04x, output format 0x%04x\n", in dw_hdmi_bridge_atomic_check()
2902 bridge_state->input_bus_cfg.format, in dw_hdmi_bridge_atomic_check()
2903 bridge_state->output_bus_cfg.format); in dw_hdmi_bridge_atomic_check()
2911 struct dw_hdmi *hdmi = bridge->driver_private; in dw_hdmi_bridge_attach()
2914 return drm_bridge_attach(bridge->encoder, hdmi->next_bridge, in dw_hdmi_bridge_attach()
2922 struct dw_hdmi *hdmi = bridge->driver_private; in dw_hdmi_bridge_detach()
2924 mutex_lock(&hdmi->cec_notifier_mutex); in dw_hdmi_bridge_detach()
2925 cec_notifier_conn_unregister(hdmi->cec_notifier); in dw_hdmi_bridge_detach()
2926 hdmi->cec_notifier = NULL; in dw_hdmi_bridge_detach()
2927 mutex_unlock(&hdmi->cec_notifier_mutex); in dw_hdmi_bridge_detach()
2935 struct dw_hdmi *hdmi = bridge->driver_private; in dw_hdmi_bridge_mode_valid()
2936 const struct dw_hdmi_plat_data *pdata = hdmi->plat_data; in dw_hdmi_bridge_mode_valid()
2939 /* We don't support double-clocked modes */ in dw_hdmi_bridge_mode_valid()
2940 if (mode->flags & DRM_MODE_FLAG_DBLCLK) in dw_hdmi_bridge_mode_valid()
2943 if (pdata->mode_valid) in dw_hdmi_bridge_mode_valid()
2944 mode_status = pdata->mode_valid(hdmi, pdata->priv_data, info, in dw_hdmi_bridge_mode_valid()
2954 struct dw_hdmi *hdmi = bridge->driver_private; in dw_hdmi_bridge_mode_set()
2956 mutex_lock(&hdmi->mutex); in dw_hdmi_bridge_mode_set()
2959 drm_mode_copy(&hdmi->previous_mode, mode); in dw_hdmi_bridge_mode_set()
2961 mutex_unlock(&hdmi->mutex); in dw_hdmi_bridge_mode_set()
2967 struct dw_hdmi *hdmi = bridge->driver_private; in dw_hdmi_bridge_atomic_disable()
2969 mutex_lock(&hdmi->mutex); in dw_hdmi_bridge_atomic_disable()
2970 hdmi->disabled = true; in dw_hdmi_bridge_atomic_disable()
2971 hdmi->curr_conn = NULL; in dw_hdmi_bridge_atomic_disable()
2974 mutex_unlock(&hdmi->mutex); in dw_hdmi_bridge_atomic_disable()
2980 struct dw_hdmi *hdmi = bridge->driver_private; in dw_hdmi_bridge_atomic_enable()
2981 struct drm_atomic_state *state = old_state->base.state; in dw_hdmi_bridge_atomic_enable()
2985 bridge->encoder); in dw_hdmi_bridge_atomic_enable()
2987 mutex_lock(&hdmi->mutex); in dw_hdmi_bridge_atomic_enable()
2988 hdmi->disabled = false; in dw_hdmi_bridge_atomic_enable()
2989 hdmi->curr_conn = connector; in dw_hdmi_bridge_atomic_enable()
2992 mutex_unlock(&hdmi->mutex); in dw_hdmi_bridge_atomic_enable()
2997 struct dw_hdmi *hdmi = bridge->driver_private; in dw_hdmi_bridge_detect()
3005 struct dw_hdmi *hdmi = bridge->driver_private; in dw_hdmi_bridge_get_edid()
3027 /* -----------------------------------------------------------------------------
3033 struct dw_hdmi_i2c *i2c = hdmi->i2c; in dw_hdmi_i2c_irq()
3042 i2c->stat = stat; in dw_hdmi_i2c_irq()
3044 complete(&i2c->cmp); in dw_hdmi_i2c_irq()
3055 if (hdmi->i2c) in dw_hdmi_hardirq()
3067 void dw_hdmi_setup_rx_sense(struct dw_hdmi *hdmi, bool hpd, bool rx_sense) in dw_hdmi_setup_rx_sense() argument
3069 mutex_lock(&hdmi->mutex); in dw_hdmi_setup_rx_sense()
3071 if (!hdmi->force) { in dw_hdmi_setup_rx_sense()
3077 hdmi->rxsense = false; in dw_hdmi_setup_rx_sense()
3081 * rxsense and hpd indicates we're connected. in dw_hdmi_setup_rx_sense()
3085 if (hpd) in dw_hdmi_setup_rx_sense()
3086 hdmi->rxsense = true; in dw_hdmi_setup_rx_sense()
3091 mutex_unlock(&hdmi->mutex); in dw_hdmi_setup_rx_sense()
3122 * load - in other words, there's something listening on the in dw_hdmi_irq()
3124 * power on the phy as HPD may be toggled by the sink to merely in dw_hdmi_irq()
3125 * ask the source to re-read the EDID. in dw_hdmi_irq()
3134 mutex_lock(&hdmi->cec_notifier_mutex); in dw_hdmi_irq()
3135 cec_notifier_phys_addr_invalidate(hdmi->cec_notifier); in dw_hdmi_irq()
3136 mutex_unlock(&hdmi->cec_notifier_mutex); in dw_hdmi_irq()
3147 dev_dbg(hdmi->dev, "EVENT=%s\n", in dw_hdmi_irq()
3151 if (hdmi->bridge.dev) { in dw_hdmi_irq()
3152 drm_helper_hpd_irq_event(hdmi->bridge.dev); in dw_hdmi_irq()
3153 drm_bridge_hpd_notify(&hdmi->bridge, status); in dw_hdmi_irq()
3208 phy_type = hdmi->plat_data->phy_force_vendor ? in dw_hdmi_detect_phy()
3214 if (!hdmi->plat_data->phy_ops || !hdmi->plat_data->phy_name) { in dw_hdmi_detect_phy()
3215 dev_err(hdmi->dev, in dw_hdmi_detect_phy()
3217 return -ENODEV; in dw_hdmi_detect_phy()
3220 hdmi->phy.ops = hdmi->plat_data->phy_ops; in dw_hdmi_detect_phy()
3221 hdmi->phy.data = hdmi->plat_data->phy_data; in dw_hdmi_detect_phy()
3222 hdmi->phy.name = hdmi->plat_data->phy_name; in dw_hdmi_detect_phy()
3229 hdmi->phy.ops = &dw_hdmi_synopsys_phy_ops; in dw_hdmi_detect_phy()
3230 hdmi->phy.name = dw_hdmi_phys[i].name; in dw_hdmi_detect_phy()
3231 hdmi->phy.data = (void *)&dw_hdmi_phys[i]; in dw_hdmi_detect_phy()
3234 !hdmi->plat_data->configure_phy) { in dw_hdmi_detect_phy()
3235 dev_err(hdmi->dev, "%s requires platform support\n", in dw_hdmi_detect_phy()
3236 hdmi->phy.name); in dw_hdmi_detect_phy()
3237 return -ENODEV; in dw_hdmi_detect_phy()
3244 dev_err(hdmi->dev, "Unsupported HDMI PHY type (%02x)\n", phy_type); in dw_hdmi_detect_phy()
3245 return -ENODEV; in dw_hdmi_detect_phy()
3250 mutex_lock(&hdmi->mutex); in dw_hdmi_cec_enable()
3251 hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CECCLK_DISABLE; in dw_hdmi_cec_enable()
3252 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); in dw_hdmi_cec_enable()
3253 mutex_unlock(&hdmi->mutex); in dw_hdmi_cec_enable()
3258 mutex_lock(&hdmi->mutex); in dw_hdmi_cec_disable()
3259 hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CECCLK_DISABLE; in dw_hdmi_cec_disable()
3260 hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); in dw_hdmi_cec_disable()
3261 mutex_unlock(&hdmi->mutex); in dw_hdmi_cec_disable()
3296 if (hdmi->phy.ops->setup_hpd) in dw_hdmi_init_hw()
3297 hdmi->phy.ops->setup_hpd(hdmi, hdmi->phy.data); in dw_hdmi_init_hw()
3300 /* -----------------------------------------------------------------------------
3309 if (!hdmi->plat_data->output_port) in dw_hdmi_parse_dt()
3312 endpoint = of_graph_get_endpoint_by_regs(hdmi->dev->of_node, in dw_hdmi_parse_dt()
3313 hdmi->plat_data->output_port, in dw_hdmi_parse_dt()
3314 -1); in dw_hdmi_parse_dt()
3318 * mandatory (such as Rockchip) the plat_data->output_port in dw_hdmi_parse_dt()
3321 dev_err(hdmi->dev, "Missing endpoint in port@%u\n", in dw_hdmi_parse_dt()
3322 hdmi->plat_data->output_port); in dw_hdmi_parse_dt()
3323 return -ENODEV; in dw_hdmi_parse_dt()
3329 dev_err(hdmi->dev, "Endpoint in port@%u unconnected\n", in dw_hdmi_parse_dt()
3330 hdmi->plat_data->output_port); in dw_hdmi_parse_dt()
3331 return -ENODEV; in dw_hdmi_parse_dt()
3335 dev_err(hdmi->dev, "port@%u remote device is disabled\n", in dw_hdmi_parse_dt()
3336 hdmi->plat_data->output_port); in dw_hdmi_parse_dt()
3338 return -ENODEV; in dw_hdmi_parse_dt()
3341 hdmi->next_bridge = of_drm_find_bridge(remote); in dw_hdmi_parse_dt()
3343 if (!hdmi->next_bridge) in dw_hdmi_parse_dt()
3344 return -EPROBE_DEFER; in dw_hdmi_parse_dt()
3352 struct device *dev = &pdev->dev; in dw_hdmi_probe()
3353 struct device_node *np = dev->of_node; in dw_hdmi_probe()
3369 return ERR_PTR(-ENOMEM); in dw_hdmi_probe()
3371 hdmi->plat_data = plat_data; in dw_hdmi_probe()
3372 hdmi->dev = dev; in dw_hdmi_probe()
3373 hdmi->sample_rate = 48000; in dw_hdmi_probe()
3374 hdmi->channels = 2; in dw_hdmi_probe()
3375 hdmi->disabled = true; in dw_hdmi_probe()
3376 hdmi->rxsense = true; in dw_hdmi_probe()
3377 hdmi->phy_mask = (u8)~(HDMI_PHY_HPD | HDMI_PHY_RX_SENSE); in dw_hdmi_probe()
3378 hdmi->mc_clkdis = 0x7f; in dw_hdmi_probe()
3379 hdmi->last_connector_result = connector_status_disconnected; in dw_hdmi_probe()
3381 mutex_init(&hdmi->mutex); in dw_hdmi_probe()
3382 mutex_init(&hdmi->audio_mutex); in dw_hdmi_probe()
3383 mutex_init(&hdmi->cec_notifier_mutex); in dw_hdmi_probe()
3384 spin_lock_init(&hdmi->audio_lock); in dw_hdmi_probe()
3390 ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); in dw_hdmi_probe()
3392 hdmi->ddc = of_get_i2c_adapter_by_node(ddc_node); in dw_hdmi_probe()
3394 if (!hdmi->ddc) { in dw_hdmi_probe()
3395 dev_dbg(hdmi->dev, "failed to read ddc node\n"); in dw_hdmi_probe()
3396 return ERR_PTR(-EPROBE_DEFER); in dw_hdmi_probe()
3400 dev_dbg(hdmi->dev, "no ddc property found\n"); in dw_hdmi_probe()
3403 if (!plat_data->regm) { in dw_hdmi_probe()
3406 of_property_read_u32(np, "reg-io-width", &val); in dw_hdmi_probe()
3410 hdmi->reg_shift = 2; in dw_hdmi_probe()
3416 dev_err(dev, "reg-io-width must be 1 or 4\n"); in dw_hdmi_probe()
3417 return ERR_PTR(-EINVAL); in dw_hdmi_probe()
3421 hdmi->regs = devm_ioremap_resource(dev, iores); in dw_hdmi_probe()
3422 if (IS_ERR(hdmi->regs)) { in dw_hdmi_probe()
3423 ret = PTR_ERR(hdmi->regs); in dw_hdmi_probe()
3427 hdmi->regm = devm_regmap_init_mmio(dev, hdmi->regs, reg_config); in dw_hdmi_probe()
3428 if (IS_ERR(hdmi->regm)) { in dw_hdmi_probe()
3430 ret = PTR_ERR(hdmi->regm); in dw_hdmi_probe()
3434 hdmi->regm = plat_data->regm; in dw_hdmi_probe()
3437 hdmi->isfr_clk = devm_clk_get(hdmi->dev, "isfr"); in dw_hdmi_probe()
3438 if (IS_ERR(hdmi->isfr_clk)) { in dw_hdmi_probe()
3439 ret = PTR_ERR(hdmi->isfr_clk); in dw_hdmi_probe()
3440 dev_err(hdmi->dev, "Unable to get HDMI isfr clk: %d\n", ret); in dw_hdmi_probe()
3444 ret = clk_prepare_enable(hdmi->isfr_clk); in dw_hdmi_probe()
3446 dev_err(hdmi->dev, "Cannot enable HDMI isfr clock: %d\n", ret); in dw_hdmi_probe()
3450 hdmi->iahb_clk = devm_clk_get(hdmi->dev, "iahb"); in dw_hdmi_probe()
3451 if (IS_ERR(hdmi->iahb_clk)) { in dw_hdmi_probe()
3452 ret = PTR_ERR(hdmi->iahb_clk); in dw_hdmi_probe()
3453 dev_err(hdmi->dev, "Unable to get HDMI iahb clk: %d\n", ret); in dw_hdmi_probe()
3457 ret = clk_prepare_enable(hdmi->iahb_clk); in dw_hdmi_probe()
3459 dev_err(hdmi->dev, "Cannot enable HDMI iahb clock: %d\n", ret); in dw_hdmi_probe()
3463 hdmi->cec_clk = devm_clk_get(hdmi->dev, "cec"); in dw_hdmi_probe()
3464 if (PTR_ERR(hdmi->cec_clk) == -ENOENT) { in dw_hdmi_probe()
3465 hdmi->cec_clk = NULL; in dw_hdmi_probe()
3466 } else if (IS_ERR(hdmi->cec_clk)) { in dw_hdmi_probe()
3467 ret = PTR_ERR(hdmi->cec_clk); in dw_hdmi_probe()
3468 if (ret != -EPROBE_DEFER) in dw_hdmi_probe()
3469 dev_err(hdmi->dev, "Cannot get HDMI cec clock: %d\n", in dw_hdmi_probe()
3472 hdmi->cec_clk = NULL; in dw_hdmi_probe()
3475 ret = clk_prepare_enable(hdmi->cec_clk); in dw_hdmi_probe()
3477 dev_err(hdmi->dev, "Cannot enable HDMI cec clock: %d\n", in dw_hdmi_probe()
3484 hdmi->version = (hdmi_readb(hdmi, HDMI_DESIGN_ID) << 8) in dw_hdmi_probe()
3492 hdmi->version, prod_id0, prod_id1); in dw_hdmi_probe()
3493 ret = -ENODEV; in dw_hdmi_probe()
3502 hdmi->version >> 12, hdmi->version & 0xfff, in dw_hdmi_probe()
3504 hdmi->phy.name); in dw_hdmi_probe()
3527 if (!hdmi->ddc) { in dw_hdmi_probe()
3529 hdmi->pinctrl = devm_pinctrl_get(dev); in dw_hdmi_probe()
3530 if (!IS_ERR(hdmi->pinctrl)) { in dw_hdmi_probe()
3531 hdmi->unwedge_state = in dw_hdmi_probe()
3532 pinctrl_lookup_state(hdmi->pinctrl, "unwedge"); in dw_hdmi_probe()
3533 hdmi->default_state = in dw_hdmi_probe()
3534 pinctrl_lookup_state(hdmi->pinctrl, "default"); in dw_hdmi_probe()
3536 if (IS_ERR(hdmi->default_state) || in dw_hdmi_probe()
3537 IS_ERR(hdmi->unwedge_state)) { in dw_hdmi_probe()
3538 if (!IS_ERR(hdmi->unwedge_state)) in dw_hdmi_probe()
3541 hdmi->default_state = NULL; in dw_hdmi_probe()
3542 hdmi->unwedge_state = NULL; in dw_hdmi_probe()
3546 hdmi->ddc = dw_hdmi_i2c_adapter(hdmi); in dw_hdmi_probe()
3547 if (IS_ERR(hdmi->ddc)) in dw_hdmi_probe()
3548 hdmi->ddc = NULL; in dw_hdmi_probe()
3551 hdmi->bridge.driver_private = hdmi; in dw_hdmi_probe()
3552 hdmi->bridge.funcs = &dw_hdmi_bridge_funcs; in dw_hdmi_probe()
3553 hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID in dw_hdmi_probe()
3555 hdmi->bridge.interlace_allowed = true; in dw_hdmi_probe()
3557 hdmi->bridge.of_node = pdev->dev.of_node; in dw_hdmi_probe()
3570 audio.phys = iores->start; in dw_hdmi_probe()
3571 audio.base = hdmi->regs; in dw_hdmi_probe()
3575 hdmi->enable_audio = dw_hdmi_ahb_audio_enable; in dw_hdmi_probe()
3576 hdmi->disable_audio = dw_hdmi_ahb_audio_disable; in dw_hdmi_probe()
3578 pdevinfo.name = "dw-hdmi-ahb-audio"; in dw_hdmi_probe()
3582 hdmi->audio = platform_device_register_full(&pdevinfo); in dw_hdmi_probe()
3590 hdmi->enable_audio = dw_hdmi_i2s_audio_enable; in dw_hdmi_probe()
3591 hdmi->disable_audio = dw_hdmi_i2s_audio_disable; in dw_hdmi_probe()
3593 pdevinfo.name = "dw-hdmi-i2s-audio"; in dw_hdmi_probe()
3597 hdmi->audio = platform_device_register_full(&pdevinfo); in dw_hdmi_probe()
3601 audio.phys = iores->start; in dw_hdmi_probe()
3602 audio.base = hdmi->regs; in dw_hdmi_probe()
3607 hdmi->enable_audio = dw_hdmi_gp_audio_enable; in dw_hdmi_probe()
3608 hdmi->disable_audio = dw_hdmi_gp_audio_disable; in dw_hdmi_probe()
3610 pdevinfo.name = "dw-hdmi-gp-audio"; in dw_hdmi_probe()
3615 hdmi->audio = platform_device_register_full(&pdevinfo); in dw_hdmi_probe()
3618 if (!plat_data->disable_cec && (config0 & HDMI_CONFIG0_CEC)) { in dw_hdmi_probe()
3623 pdevinfo.name = "dw-hdmi-cec"; in dw_hdmi_probe()
3628 hdmi->cec = platform_device_register_full(&pdevinfo); in dw_hdmi_probe()
3631 drm_bridge_add(&hdmi->bridge); in dw_hdmi_probe()
3636 clk_disable_unprepare(hdmi->iahb_clk); in dw_hdmi_probe()
3637 clk_disable_unprepare(hdmi->cec_clk); in dw_hdmi_probe()
3639 clk_disable_unprepare(hdmi->isfr_clk); in dw_hdmi_probe()
3641 i2c_put_adapter(hdmi->ddc); in dw_hdmi_probe()
3649 drm_bridge_remove(&hdmi->bridge); in dw_hdmi_remove()
3651 if (hdmi->audio && !IS_ERR(hdmi->audio)) in dw_hdmi_remove()
3652 platform_device_unregister(hdmi->audio); in dw_hdmi_remove()
3653 if (!IS_ERR(hdmi->cec)) in dw_hdmi_remove()
3654 platform_device_unregister(hdmi->cec); in dw_hdmi_remove()
3659 clk_disable_unprepare(hdmi->iahb_clk); in dw_hdmi_remove()
3660 clk_disable_unprepare(hdmi->isfr_clk); in dw_hdmi_remove()
3661 clk_disable_unprepare(hdmi->cec_clk); in dw_hdmi_remove()
3663 if (hdmi->i2c) in dw_hdmi_remove()
3664 i2c_del_adapter(&hdmi->i2c->adap); in dw_hdmi_remove()
3666 i2c_put_adapter(hdmi->ddc); in dw_hdmi_remove()
3670 /* -----------------------------------------------------------------------------
3684 ret = drm_bridge_attach(encoder, &hdmi->bridge, NULL, 0); in dw_hdmi_bind()
3707 MODULE_AUTHOR("Andy Yan <andy.yan@rock-chips.com>");
3708 MODULE_AUTHOR("Yakir Yang <ykk@rock-chips.com>");
3712 MODULE_ALIAS("platform:dw-hdmi");