Lines Matching +full:hdmi +full:- +full:mux +full:- +full:supplies
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>
18 #include <linux/media-bus-format.h>
31 #include <sound/hdmi-codec.h>
160 (SII902X_TPI_MISC_INFOFRAME_END - SII902X_TPI_MISC_INFOFRAME_BASE)
167 * The maximum resolution supported by the HDMI bridge is 1080p@60Hz
202 ret = __i2c_smbus_xfer(i2c->adapter, i2c->addr, i2c->flags, in sii902x_read_unlocked()
218 return __i2c_smbus_xfer(i2c->adapter, i2c->addr, i2c->flags, in sii902x_write_unlocked()
249 if (!sii902x->reset_gpio) in sii902x_reset()
252 gpiod_set_value_cansleep(sii902x->reset_gpio, 1); in sii902x_reset()
254 /* The datasheet says treset-min = 100us. Make it 150us to be sure. */ in sii902x_reset()
257 gpiod_set_value_cansleep(sii902x->reset_gpio, 0); in sii902x_reset()
264 mutex_lock(&sii902x->mutex); in sii902x_detect()
266 regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status); in sii902x_detect()
268 mutex_unlock(&sii902x->mutex); in sii902x_detect()
296 mutex_lock(&sii902x->mutex); in sii902x_edid_read()
298 drm_edid = drm_edid_read_ddc(connector, sii902x->i2cmux->adapter[0]); in sii902x_edid_read()
300 mutex_unlock(&sii902x->mutex); in sii902x_edid_read()
318 sii902x->sink_is_hdmi = connector->display_info.is_hdmi; in sii902x_get_modes()
332 mutex_lock(&sii902x->mutex); in sii902x_bridge_atomic_disable()
334 regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA, in sii902x_bridge_atomic_disable()
338 mutex_unlock(&sii902x->mutex); in sii902x_bridge_atomic_disable()
346 mutex_lock(&sii902x->mutex); in sii902x_bridge_atomic_enable()
348 regmap_update_bits(sii902x->regmap, SII902X_PWR_STATE_CTRL, in sii902x_bridge_atomic_enable()
351 regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA, in sii902x_bridge_atomic_enable()
354 mutex_unlock(&sii902x->mutex); in sii902x_bridge_atomic_enable()
363 struct regmap *regmap = sii902x->regmap; in sii902x_bridge_mode_set()
366 u16 pixel_clock_10kHz = adj->clock / 10; in sii902x_bridge_mode_set()
369 if (sii902x->sink_is_hdmi) in sii902x_bridge_mode_set()
376 buf[4] = adj->hdisplay; in sii902x_bridge_mode_set()
377 buf[5] = adj->hdisplay >> 8; in sii902x_bridge_mode_set()
378 buf[6] = adj->vdisplay; in sii902x_bridge_mode_set()
379 buf[7] = adj->vdisplay >> 8; in sii902x_bridge_mode_set()
385 mutex_lock(&sii902x->mutex); in sii902x_bridge_mode_set()
387 ret = regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA, in sii902x_bridge_mode_set()
397 &sii902x->connector, adj); in sii902x_bridge_mode_set()
411 buf + HDMI_INFOFRAME_HEADER_SIZE - 1, in sii902x_bridge_mode_set()
415 mutex_unlock(&sii902x->mutex); in sii902x_bridge_mode_set()
423 struct drm_device *drm = bridge->dev; in sii902x_bridge_attach()
427 return drm_bridge_attach(bridge->encoder, sii902x->next_bridge, in sii902x_bridge_attach()
430 drm_connector_helper_add(&sii902x->connector, in sii902x_bridge_attach()
434 dev_err(&sii902x->i2c->dev, in sii902x_bridge_attach()
436 return -ENOTSUPP; in sii902x_bridge_attach()
439 ret = drm_connector_init(drm, &sii902x->connector, in sii902x_bridge_attach()
445 if (sii902x->i2c->irq > 0) in sii902x_bridge_attach()
446 sii902x->connector.polled = DRM_CONNECTOR_POLL_HPD; in sii902x_bridge_attach()
448 sii902x->connector.polled = DRM_CONNECTOR_POLL_CONNECT; in sii902x_bridge_attach()
450 ret = drm_display_info_set_bus_formats(&sii902x->connector.display_info, in sii902x_bridge_attach()
455 drm_connector_attach_encoder(&sii902x->connector, bridge->encoder); in sii902x_bridge_attach()
492 switch (sii902x->bus_width) { in sii902x_bridge_atomic_get_input_bus_fmts()
516 if (crtc_state->mode.clock < SII902X_MIN_PIXEL_CLOCK_KHZ || in sii902x_bridge_atomic_check()
517 crtc_state->mode.clock > SII902X_MAX_PIXEL_CLOCK_KHZ) in sii902x_bridge_atomic_check()
518 return -EINVAL; in sii902x_bridge_atomic_check()
524 bridge_state->input_bus_cfg.flags = bridge->timings->input_bus_flags; in sii902x_bridge_atomic_check()
534 if (mode->clock < SII902X_MIN_PIXEL_CLOCK_KHZ) in sii902x_bridge_mode_valid()
537 if (mode->clock > SII902X_MAX_PIXEL_CLOCK_KHZ) in sii902x_bridge_mode_valid()
560 struct device *dev = &sii902x->i2c->dev; in sii902x_mute()
566 return regmap_update_bits(sii902x->regmap, in sii902x_mute()
582 unsigned int d = abs(div - sii902x_mclk_div_table[i]); in sii902x_select_mclk_div()
625 if (daifmt->bit_clk_provider || daifmt->frame_clk_provider) { in sii902x_audio_hw_params()
628 return -EINVAL; in sii902x_audio_hw_params()
631 switch (daifmt->fmt) { in sii902x_audio_hw_params()
644 daifmt->fmt); in sii902x_audio_hw_params()
645 return -EINVAL; in sii902x_audio_hw_params()
648 if (daifmt->bit_clk_inv) in sii902x_audio_hw_params()
653 if (daifmt->frame_clk_inv) in sii902x_audio_hw_params()
658 if (params->channels > 2) in sii902x_audio_hw_params()
663 switch (params->sample_width) { in sii902x_audio_hw_params()
676 params->sample_width); in sii902x_audio_hw_params()
677 return -EINVAL; in sii902x_audio_hw_params()
681 if (params->sample_rate == sii902x_sample_freq[i].freq) { in sii902x_audio_hw_params()
687 ret = clk_prepare_enable(sii902x->audio.mclk); in sii902x_audio_hw_params()
693 if (sii902x->audio.mclk) { in sii902x_audio_hw_params()
694 mclk_rate = clk_get_rate(sii902x->audio.mclk); in sii902x_audio_hw_params()
696 params->sample_rate, mclk_rate); in sii902x_audio_hw_params()
697 if (mclk_rate != ret * params->sample_rate) in sii902x_audio_hw_params()
699 mclk_rate, ret, params->sample_rate); in sii902x_audio_hw_params()
702 mutex_lock(&sii902x->mutex); in sii902x_audio_hw_params()
704 ret = regmap_write(sii902x->regmap, in sii902x_audio_hw_params()
710 ret = regmap_write(sii902x->regmap, SII902X_TPI_I2S_INPUT_CONFIG_REG, in sii902x_audio_hw_params()
715 for (i = 0; i < ARRAY_SIZE(sii902x->audio.i2s_fifo_sequence) && in sii902x_audio_hw_params()
716 sii902x->audio.i2s_fifo_sequence[i]; i++) in sii902x_audio_hw_params()
717 regmap_write(sii902x->regmap, in sii902x_audio_hw_params()
719 sii902x->audio.i2s_fifo_sequence[i]); in sii902x_audio_hw_params()
721 ret = regmap_write(sii902x->regmap, SII902X_TPI_AUDIO_CONFIG_BYTE3_REG, in sii902x_audio_hw_params()
726 ret = regmap_bulk_write(sii902x->regmap, SII902X_TPI_I2S_STRM_HDR_BASE, in sii902x_audio_hw_params()
727 params->iec.status, in sii902x_audio_hw_params()
729 sizeof(params->iec.status))); in sii902x_audio_hw_params()
733 ret = hdmi_audio_infoframe_pack(¶ms->cea, infoframe_buf, in sii902x_audio_hw_params()
741 ret = regmap_bulk_write(sii902x->regmap, in sii902x_audio_hw_params()
749 ret = regmap_write(sii902x->regmap, SII902X_IND_SET_PAGE, 0x02); in sii902x_audio_hw_params()
753 ret = regmap_write(sii902x->regmap, SII902X_IND_OFFSET, 0x24); in sii902x_audio_hw_params()
757 ret = regmap_write(sii902x->regmap, SII902X_IND_VALUE, 0x02); in sii902x_audio_hw_params()
761 dev_dbg(dev, "%s: hdmi audio enabled\n", __func__); in sii902x_audio_hw_params()
763 mutex_unlock(&sii902x->mutex); in sii902x_audio_hw_params()
766 clk_disable_unprepare(sii902x->audio.mclk); in sii902x_audio_hw_params()
767 dev_err(dev, "%s: hdmi audio enable failed: %d\n", __func__, in sii902x_audio_hw_params()
778 mutex_lock(&sii902x->mutex); in sii902x_audio_shutdown()
780 regmap_write(sii902x->regmap, SII902X_TPI_AUDIO_CONFIG_BYTE2_REG, in sii902x_audio_shutdown()
783 mutex_unlock(&sii902x->mutex); in sii902x_audio_shutdown()
785 clk_disable_unprepare(sii902x->audio.mclk); in sii902x_audio_shutdown()
793 mutex_lock(&sii902x->mutex); in sii902x_audio_mute()
797 mutex_unlock(&sii902x->mutex); in sii902x_audio_mute()
807 mutex_lock(&sii902x->mutex); in sii902x_audio_get_eld()
809 memcpy(buf, sii902x->connector.eld, in sii902x_audio_get_eld()
810 min(sizeof(sii902x->connector.eld), len)); in sii902x_audio_get_eld()
812 mutex_unlock(&sii902x->mutex); in sii902x_audio_get_eld()
829 * HDMI sound should be located at reg = <3> in sii902x_audio_get_dai_id()
835 return -EINVAL; in sii902x_audio_get_dai_id()
871 if (!of_property_present(dev->of_node, "#sound-dai-cells")) { in sii902x_audio_codec_init()
872 dev_dbg(dev, "%s: No \"#sound-dai-cells\", no audio\n", in sii902x_audio_codec_init()
877 num_lanes = of_property_read_variable_u8_array(dev->of_node, in sii902x_audio_codec_init()
878 "sil,i2s-data-lanes", in sii902x_audio_codec_init()
882 if (num_lanes == -EINVAL) { in sii902x_audio_codec_init()
884 "%s: No \"sil,i2s-data-lanes\", use default <0>\n", in sii902x_audio_codec_init()
890 "%s: Error gettin \"sil,i2s-data-lanes\": %d\n", in sii902x_audio_codec_init()
897 sii902x->audio.i2s_fifo_sequence[i] |= audio_fifo_id[i] | in sii902x_audio_codec_init()
900 sii902x->audio.mclk = devm_clk_get_optional(dev, "mclk"); in sii902x_audio_codec_init()
901 if (IS_ERR(sii902x->audio.mclk)) { in sii902x_audio_codec_init()
903 __func__, PTR_ERR(sii902x->audio.mclk)); in sii902x_audio_codec_init()
904 return PTR_ERR(sii902x->audio.mclk); in sii902x_audio_codec_init()
907 sii902x->audio.pdev = platform_device_register_data( in sii902x_audio_codec_init()
911 return PTR_ERR_OR_ZERO(sii902x->audio.pdev); in sii902x_audio_codec_init()
937 mutex_lock(&sii902x->mutex); in sii902x_interrupt()
939 regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status); in sii902x_interrupt()
940 regmap_write(sii902x->regmap, SII902X_INT_STATUS, status); in sii902x_interrupt()
942 mutex_unlock(&sii902x->mutex); in sii902x_interrupt()
944 if ((status & SII902X_HOTPLUG_EVENT) && sii902x->bridge.dev) { in sii902x_interrupt()
945 drm_helper_hpd_irq_event(sii902x->bridge.dev); in sii902x_interrupt()
946 drm_bridge_hpd_notify(&sii902x->bridge, (status & SII902X_PLUGGED_STATUS) in sii902x_interrupt()
956 * mode of the HDMI transmitter. Do not use regmap from within this function,
966 static int sii902x_i2c_bypass_select(struct i2c_mux_core *mux, u32 chan_id) in sii902x_i2c_bypass_select() argument
968 struct sii902x *sii902x = i2c_mux_priv(mux); in sii902x_i2c_bypass_select()
969 struct device *dev = &sii902x->i2c->dev; in sii902x_i2c_bypass_select()
974 ret = sii902x_update_bits_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_select()
983 ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_select()
992 return -ETIMEDOUT; in sii902x_i2c_bypass_select()
995 return sii902x_write_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_select()
1001 * mode of the HDMI transmitter. Do not use regmap from within this function,
1011 static int sii902x_i2c_bypass_deselect(struct i2c_mux_core *mux, u32 chan_id) in sii902x_i2c_bypass_deselect() argument
1013 struct sii902x *sii902x = i2c_mux_priv(mux); in sii902x_i2c_bypass_deselect()
1014 struct device *dev = &sii902x->i2c->dev; in sii902x_i2c_bypass_deselect()
1021 * When the HDMI transmitter is in pass through mode, we need an in sii902x_i2c_bypass_deselect()
1034 ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_deselect()
1036 retries--; in sii902x_i2c_bypass_deselect()
1043 ret = sii902x_update_bits_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_deselect()
1052 ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA, in sii902x_i2c_bypass_deselect()
1063 return -ETIMEDOUT; in sii902x_i2c_bypass_deselect()
1077 struct device *dev = &sii902x->i2c->dev; in sii902x_init()
1084 ret = regmap_write(sii902x->regmap, SII902X_REG_TPI_RQB, 0x0); in sii902x_init()
1088 ret = regmap_bulk_read(sii902x->regmap, SII902X_REG_CHIPID(0), in sii902x_init()
1098 return -EINVAL; in sii902x_init()
1102 regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status); in sii902x_init()
1103 regmap_write(sii902x->regmap, SII902X_INT_STATUS, status); in sii902x_init()
1105 if (sii902x->i2c->irq > 0) { in sii902x_init()
1106 regmap_write(sii902x->regmap, SII902X_INT_ENABLE, in sii902x_init()
1109 ret = devm_request_threaded_irq(dev, sii902x->i2c->irq, NULL, in sii902x_init()
1121 i2c_set_clientdata(sii902x->i2c, sii902x); in sii902x_init()
1123 sii902x->i2cmux = i2c_mux_alloc(sii902x->i2c->adapter, dev, in sii902x_init()
1127 if (!sii902x->i2cmux) { in sii902x_init()
1128 ret = -ENOMEM; in sii902x_init()
1132 sii902x->i2cmux->priv = sii902x; in sii902x_init()
1133 ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0); in sii902x_init()
1137 sii902x->bridge.funcs = &sii902x_bridge_funcs; in sii902x_init()
1138 sii902x->bridge.of_node = dev->of_node; in sii902x_init()
1139 sii902x->bridge.timings = &default_sii902x_timings; in sii902x_init()
1140 sii902x->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID; in sii902x_init()
1142 if (sii902x->i2c->irq > 0) in sii902x_init()
1143 sii902x->bridge.ops |= DRM_BRIDGE_OP_HPD; in sii902x_init()
1145 drm_bridge_add(&sii902x->bridge); in sii902x_init()
1150 if (!PTR_ERR_OR_ZERO(sii902x->audio.pdev)) in sii902x_init()
1151 platform_device_unregister(sii902x->audio.pdev); in sii902x_init()
1158 struct device *dev = &client->dev; in sii902x_probe()
1161 static const char * const supplies[] = {"iovcc", "cvcc12"}; in sii902x_probe() local
1164 ret = i2c_check_functionality(client->adapter, in sii902x_probe()
1168 return -EIO; in sii902x_probe()
1173 return -ENOMEM; in sii902x_probe()
1175 sii902x->i2c = client; in sii902x_probe()
1176 sii902x->regmap = devm_regmap_init_i2c(client, &sii902x_regmap_config); in sii902x_probe()
1177 if (IS_ERR(sii902x->regmap)) in sii902x_probe()
1178 return PTR_ERR(sii902x->regmap); in sii902x_probe()
1180 sii902x->reset_gpio = devm_gpiod_get_optional(dev, "reset", in sii902x_probe()
1182 if (IS_ERR(sii902x->reset_gpio)) { in sii902x_probe()
1184 PTR_ERR(sii902x->reset_gpio)); in sii902x_probe()
1185 return PTR_ERR(sii902x->reset_gpio); in sii902x_probe()
1188 sii902x->bus_width = 24; in sii902x_probe()
1189 endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 0, -1); in sii902x_probe()
1191 of_property_read_u32(endpoint, "bus-width", &sii902x->bus_width); in sii902x_probe()
1193 endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1); in sii902x_probe()
1200 return -ENODEV; in sii902x_probe()
1206 return -ENODEV; in sii902x_probe()
1209 sii902x->next_bridge = of_drm_find_bridge(remote); in sii902x_probe()
1211 if (!sii902x->next_bridge) in sii902x_probe()
1212 return dev_err_probe(dev, -EPROBE_DEFER, in sii902x_probe()
1216 mutex_init(&sii902x->mutex); in sii902x_probe()
1218 ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(supplies), supplies); in sii902x_probe()
1220 return dev_err_probe(dev, ret, "Failed to enable supplies"); in sii902x_probe()
1229 drm_bridge_remove(&sii902x->bridge); in sii902x_remove()
1230 i2c_mux_del_adapters(sii902x->i2cmux); in sii902x_remove()
1232 if (!PTR_ERR_OR_ZERO(sii902x->audio.pdev)) in sii902x_remove()
1233 platform_device_unregister(sii902x->audio.pdev); in sii902x_remove()
1259 MODULE_AUTHOR("Boris Brezillon <boris.brezillon@free-electrons.com>");
1260 MODULE_DESCRIPTION("SII902x RGB -> HDMI bridges");