Lines Matching +full:hdmi +full:- +full:bridge
1 // SPDX-License-Identifier: GPL-2.0-or-later
9 * Boris Brezillon <boris.brezillon@free-electrons.com>
12 * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
16 #include <linux/i2c-mux.h>
30 #include <sound/hdmi-codec.h>
159 (SII902X_TPI_MISC_INFOFRAME_END - SII902X_TPI_MISC_INFOFRAME_BASE)
168 struct drm_bridge bridge; member
190 ret = __i2c_smbus_xfer(i2c->adapter, i2c->addr, i2c->flags, in sii902x_read_unlocked()
206 return __i2c_smbus_xfer(i2c->adapter, i2c->addr, i2c->flags, in sii902x_write_unlocked()
225 static inline struct sii902x *bridge_to_sii902x(struct drm_bridge *bridge) in bridge_to_sii902x() argument
227 return container_of(bridge, struct sii902x, bridge); in bridge_to_sii902x()
237 if (!sii902x->reset_gpio) in sii902x_reset()
240 gpiod_set_value(sii902x->reset_gpio, 1); in sii902x_reset()
242 /* The datasheet says treset-min = 100us. Make it 150us to be sure. */ in sii902x_reset()
245 gpiod_set_value(sii902x->reset_gpio, 0); in sii902x_reset()
254 mutex_lock(&sii902x->mutex); in sii902x_connector_detect()
256 regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status); in sii902x_connector_detect()
258 mutex_unlock(&sii902x->mutex); in sii902x_connector_detect()
281 mutex_lock(&sii902x->mutex); in sii902x_get_modes()
283 edid = drm_get_edid(connector, sii902x->i2cmux->adapter[0]); in sii902x_get_modes()
293 ret = drm_display_info_set_bus_formats(&connector->display_info, in sii902x_get_modes()
298 ret = regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA, in sii902x_get_modes()
306 mutex_unlock(&sii902x->mutex); in sii902x_get_modes()
324 static void sii902x_bridge_disable(struct drm_bridge *bridge) in sii902x_bridge_disable() argument
326 struct sii902x *sii902x = bridge_to_sii902x(bridge); in sii902x_bridge_disable()
328 mutex_lock(&sii902x->mutex); in sii902x_bridge_disable()
330 regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA, in sii902x_bridge_disable()
334 mutex_unlock(&sii902x->mutex); in sii902x_bridge_disable()
337 static void sii902x_bridge_enable(struct drm_bridge *bridge) in sii902x_bridge_enable() argument
339 struct sii902x *sii902x = bridge_to_sii902x(bridge); in sii902x_bridge_enable()
341 mutex_lock(&sii902x->mutex); in sii902x_bridge_enable()
343 regmap_update_bits(sii902x->regmap, SII902X_PWR_STATE_CTRL, in sii902x_bridge_enable()
346 regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA, in sii902x_bridge_enable()
349 mutex_unlock(&sii902x->mutex); in sii902x_bridge_enable()
352 static void sii902x_bridge_mode_set(struct drm_bridge *bridge, in sii902x_bridge_mode_set() argument
356 struct sii902x *sii902x = bridge_to_sii902x(bridge); in sii902x_bridge_mode_set()
357 struct regmap *regmap = sii902x->regmap; in sii902x_bridge_mode_set()
360 u16 pixel_clock_10kHz = adj->clock / 10; in sii902x_bridge_mode_set()
367 buf[4] = adj->hdisplay; in sii902x_bridge_mode_set()
368 buf[5] = adj->hdisplay >> 8; in sii902x_bridge_mode_set()
369 buf[6] = adj->vdisplay; in sii902x_bridge_mode_set()
370 buf[7] = adj->vdisplay >> 8; in sii902x_bridge_mode_set()
376 mutex_lock(&sii902x->mutex); in sii902x_bridge_mode_set()
383 &sii902x->connector, adj); in sii902x_bridge_mode_set()
397 buf + HDMI_INFOFRAME_HEADER_SIZE - 1, in sii902x_bridge_mode_set()
401 mutex_unlock(&sii902x->mutex); in sii902x_bridge_mode_set()
404 static int sii902x_bridge_attach(struct drm_bridge *bridge, in sii902x_bridge_attach() argument
407 struct sii902x *sii902x = bridge_to_sii902x(bridge); in sii902x_bridge_attach()
408 struct drm_device *drm = bridge->dev; in sii902x_bridge_attach()
412 DRM_ERROR("Fix bridge driver to make connector optional!"); in sii902x_bridge_attach()
413 return -EINVAL; in sii902x_bridge_attach()
416 drm_connector_helper_add(&sii902x->connector, in sii902x_bridge_attach()
420 dev_err(&sii902x->i2c->dev, in sii902x_bridge_attach()
422 return -ENOTSUPP; in sii902x_bridge_attach()
425 ret = drm_connector_init(drm, &sii902x->connector, in sii902x_bridge_attach()
431 if (sii902x->i2c->irq > 0) in sii902x_bridge_attach()
432 sii902x->connector.polled = DRM_CONNECTOR_POLL_HPD; in sii902x_bridge_attach()
434 sii902x->connector.polled = DRM_CONNECTOR_POLL_CONNECT; in sii902x_bridge_attach()
436 drm_connector_attach_encoder(&sii902x->connector, bridge->encoder); in sii902x_bridge_attach()
450 struct device *dev = &sii902x->i2c->dev; in sii902x_mute()
456 return regmap_update_bits(sii902x->regmap, in sii902x_mute()
472 unsigned int d = abs(div - sii902x_mclk_div_table[i]); in sii902x_select_mclk_div()
515 if (daifmt->bit_clk_master || daifmt->frame_clk_master) { in sii902x_audio_hw_params()
517 return -EINVAL; in sii902x_audio_hw_params()
520 switch (daifmt->fmt) { in sii902x_audio_hw_params()
533 daifmt->fmt); in sii902x_audio_hw_params()
534 return -EINVAL; in sii902x_audio_hw_params()
537 if (daifmt->bit_clk_inv) in sii902x_audio_hw_params()
542 if (daifmt->frame_clk_inv) in sii902x_audio_hw_params()
547 if (params->channels > 2) in sii902x_audio_hw_params()
552 switch (params->sample_width) { in sii902x_audio_hw_params()
565 params->sample_width); in sii902x_audio_hw_params()
566 return -EINVAL; in sii902x_audio_hw_params()
570 if (params->sample_rate == sii902x_sample_freq[i].freq) { in sii902x_audio_hw_params()
576 ret = clk_prepare_enable(sii902x->audio.mclk); in sii902x_audio_hw_params()
582 if (sii902x->audio.mclk) { in sii902x_audio_hw_params()
583 mclk_rate = clk_get_rate(sii902x->audio.mclk); in sii902x_audio_hw_params()
585 params->sample_rate, mclk_rate); in sii902x_audio_hw_params()
586 if (mclk_rate != ret * params->sample_rate) in sii902x_audio_hw_params()
588 mclk_rate, ret, params->sample_rate); in sii902x_audio_hw_params()
591 mutex_lock(&sii902x->mutex); in sii902x_audio_hw_params()
593 ret = regmap_write(sii902x->regmap, in sii902x_audio_hw_params()
599 ret = regmap_write(sii902x->regmap, SII902X_TPI_I2S_INPUT_CONFIG_REG, in sii902x_audio_hw_params()
604 for (i = 0; i < ARRAY_SIZE(sii902x->audio.i2s_fifo_sequence) && in sii902x_audio_hw_params()
605 sii902x->audio.i2s_fifo_sequence[i]; i++) in sii902x_audio_hw_params()
606 regmap_write(sii902x->regmap, in sii902x_audio_hw_params()
608 sii902x->audio.i2s_fifo_sequence[i]); in sii902x_audio_hw_params()
610 ret = regmap_write(sii902x->regmap, SII902X_TPI_AUDIO_CONFIG_BYTE3_REG, in sii902x_audio_hw_params()
615 ret = regmap_bulk_write(sii902x->regmap, SII902X_TPI_I2S_STRM_HDR_BASE, in sii902x_audio_hw_params()
616 params->iec.status, in sii902x_audio_hw_params()
618 sizeof(params->iec.status))); in sii902x_audio_hw_params()
622 ret = hdmi_audio_infoframe_pack(¶ms->cea, infoframe_buf, in sii902x_audio_hw_params()
630 ret = regmap_bulk_write(sii902x->regmap, in sii902x_audio_hw_params()
638 ret = regmap_write(sii902x->regmap, SII902X_IND_SET_PAGE, 0x02); in sii902x_audio_hw_params()
642 ret = regmap_write(sii902x->regmap, SII902X_IND_OFFSET, 0x24); in sii902x_audio_hw_params()
646 ret = regmap_write(sii902x->regmap, SII902X_IND_VALUE, 0x02); in sii902x_audio_hw_params()
650 dev_dbg(dev, "%s: hdmi audio enabled\n", __func__); in sii902x_audio_hw_params()
652 mutex_unlock(&sii902x->mutex); in sii902x_audio_hw_params()
655 clk_disable_unprepare(sii902x->audio.mclk); in sii902x_audio_hw_params()
656 dev_err(dev, "%s: hdmi audio enable failed: %d\n", __func__, in sii902x_audio_hw_params()
667 mutex_lock(&sii902x->mutex); in sii902x_audio_shutdown()
669 regmap_write(sii902x->regmap, SII902X_TPI_AUDIO_CONFIG_BYTE2_REG, in sii902x_audio_shutdown()
672 mutex_unlock(&sii902x->mutex); in sii902x_audio_shutdown()
674 clk_disable_unprepare(sii902x->audio.mclk); in sii902x_audio_shutdown()
682 mutex_lock(&sii902x->mutex); in sii902x_audio_mute()
686 mutex_unlock(&sii902x->mutex); in sii902x_audio_mute()
696 mutex_lock(&sii902x->mutex); in sii902x_audio_get_eld()
698 memcpy(buf, sii902x->connector.eld, in sii902x_audio_get_eld()
699 min(sizeof(sii902x->connector.eld), len)); in sii902x_audio_get_eld()
701 mutex_unlock(&sii902x->mutex); in sii902x_audio_get_eld()
717 * HDMI sound should be located at reg = <3> in sii902x_audio_get_dai_id()
723 return -EINVAL; in sii902x_audio_get_dai_id()
759 if (!of_property_read_bool(dev->of_node, "#sound-dai-cells")) { in sii902x_audio_codec_init()
760 dev_dbg(dev, "%s: No \"#sound-dai-cells\", no audio\n", in sii902x_audio_codec_init()
765 num_lanes = of_property_read_variable_u8_array(dev->of_node, in sii902x_audio_codec_init()
766 "sil,i2s-data-lanes", in sii902x_audio_codec_init()
770 if (num_lanes == -EINVAL) { in sii902x_audio_codec_init()
772 "%s: No \"sil,i2s-data-lanes\", use default <0>\n", in sii902x_audio_codec_init()
778 "%s: Error gettin \"sil,i2s-data-lanes\": %d\n", in sii902x_audio_codec_init()
785 sii902x->audio.i2s_fifo_sequence[i] |= audio_fifo_id[i] | in sii902x_audio_codec_init()
788 sii902x->audio.mclk = devm_clk_get_optional(dev, "mclk"); in sii902x_audio_codec_init()
789 if (IS_ERR(sii902x->audio.mclk)) { in sii902x_audio_codec_init()
791 __func__, PTR_ERR(sii902x->audio.mclk)); in sii902x_audio_codec_init()
792 return PTR_ERR(sii902x->audio.mclk); in sii902x_audio_codec_init()
795 sii902x->audio.pdev = platform_device_register_data( in sii902x_audio_codec_init()
799 return PTR_ERR_OR_ZERO(sii902x->audio.pdev); in sii902x_audio_codec_init()
825 mutex_lock(&sii902x->mutex); in sii902x_interrupt()
827 regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status); in sii902x_interrupt()
828 regmap_write(sii902x->regmap, SII902X_INT_STATUS, status); in sii902x_interrupt()
830 mutex_unlock(&sii902x->mutex); in sii902x_interrupt()
832 if ((status & SII902X_HOTPLUG_EVENT) && sii902x->bridge.dev) in sii902x_interrupt()
833 drm_helper_hpd_irq_event(sii902x->bridge.dev); in sii902x_interrupt()
840 * mode of the HDMI transmitter. Do not use regmap from within this function,
853 struct device *dev = &sii902x->i2c->dev; in sii902x_i2c_bypass_select()
858 ret = sii902x_update_bits_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_select()
867 ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_select()
876 return -ETIMEDOUT; in sii902x_i2c_bypass_select()
879 return sii902x_write_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_select()
885 * mode of the HDMI transmitter. Do not use regmap from within this function,
898 struct device *dev = &sii902x->i2c->dev; in sii902x_i2c_bypass_deselect()
905 * When the HDMI transmitter is in pass through mode, we need an in sii902x_i2c_bypass_deselect()
918 ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_deselect()
920 retries--; in sii902x_i2c_bypass_deselect()
927 ret = sii902x_update_bits_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_deselect()
936 ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_deselect()
947 return -ETIMEDOUT; in sii902x_i2c_bypass_deselect()
961 struct device *dev = &sii902x->i2c->dev; in sii902x_init()
968 ret = regmap_write(sii902x->regmap, SII902X_REG_TPI_RQB, 0x0); in sii902x_init()
972 ret = regmap_bulk_read(sii902x->regmap, SII902X_REG_CHIPID(0), in sii902x_init()
982 return -EINVAL; in sii902x_init()
986 regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status); in sii902x_init()
987 regmap_write(sii902x->regmap, SII902X_INT_STATUS, status); in sii902x_init()
989 if (sii902x->i2c->irq > 0) { in sii902x_init()
990 regmap_write(sii902x->regmap, SII902X_INT_ENABLE, in sii902x_init()
993 ret = devm_request_threaded_irq(dev, sii902x->i2c->irq, NULL, in sii902x_init()
1001 sii902x->bridge.funcs = &sii902x_bridge_funcs; in sii902x_init()
1002 sii902x->bridge.of_node = dev->of_node; in sii902x_init()
1003 sii902x->bridge.timings = &default_sii902x_timings; in sii902x_init()
1004 drm_bridge_add(&sii902x->bridge); in sii902x_init()
1008 i2c_set_clientdata(sii902x->i2c, sii902x); in sii902x_init()
1010 sii902x->i2cmux = i2c_mux_alloc(sii902x->i2c->adapter, dev, in sii902x_init()
1014 if (!sii902x->i2cmux) in sii902x_init()
1015 return -ENOMEM; in sii902x_init()
1017 sii902x->i2cmux->priv = sii902x; in sii902x_init()
1018 return i2c_mux_add_adapter(sii902x->i2cmux, 0, 0, 0); in sii902x_init()
1024 struct device *dev = &client->dev; in sii902x_probe()
1028 ret = i2c_check_functionality(client->adapter, in sii902x_probe()
1032 return -EIO; in sii902x_probe()
1037 return -ENOMEM; in sii902x_probe()
1039 sii902x->i2c = client; in sii902x_probe()
1040 sii902x->regmap = devm_regmap_init_i2c(client, &sii902x_regmap_config); in sii902x_probe()
1041 if (IS_ERR(sii902x->regmap)) in sii902x_probe()
1042 return PTR_ERR(sii902x->regmap); in sii902x_probe()
1044 sii902x->reset_gpio = devm_gpiod_get_optional(dev, "reset", in sii902x_probe()
1046 if (IS_ERR(sii902x->reset_gpio)) { in sii902x_probe()
1048 PTR_ERR(sii902x->reset_gpio)); in sii902x_probe()
1049 return PTR_ERR(sii902x->reset_gpio); in sii902x_probe()
1052 mutex_init(&sii902x->mutex); in sii902x_probe()
1054 sii902x->supplies[0].supply = "iovcc"; in sii902x_probe()
1055 sii902x->supplies[1].supply = "cvcc12"; in sii902x_probe()
1056 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(sii902x->supplies), in sii902x_probe()
1057 sii902x->supplies); in sii902x_probe()
1061 ret = regulator_bulk_enable(ARRAY_SIZE(sii902x->supplies), in sii902x_probe()
1062 sii902x->supplies); in sii902x_probe()
1070 regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies), in sii902x_probe()
1071 sii902x->supplies); in sii902x_probe()
1082 i2c_mux_del_adapters(sii902x->i2cmux); in sii902x_remove()
1083 drm_bridge_remove(&sii902x->bridge); in sii902x_remove()
1084 regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies), in sii902x_remove()
1085 sii902x->supplies); in sii902x_remove()
1113 MODULE_AUTHOR("Boris Brezillon <boris.brezillon@free-electrons.com>");
1114 MODULE_DESCRIPTION("SII902x RGB -> HDMI bridges");