Lines Matching defs:sii902x
166 struct sii902x {
227 static inline struct sii902x *bridge_to_sii902x(struct drm_bridge *bridge)
229 return container_of(bridge, struct sii902x, bridge);
232 static inline struct sii902x *connector_to_sii902x(struct drm_connector *con)
234 return container_of(con, struct sii902x, connector);
237 static void sii902x_reset(struct sii902x *sii902x)
239 if (!sii902x->reset_gpio)
242 gpiod_set_value_cansleep(sii902x->reset_gpio, 1);
247 gpiod_set_value_cansleep(sii902x->reset_gpio, 0);
250 static enum drm_connector_status sii902x_detect(struct sii902x *sii902x)
254 mutex_lock(&sii902x->mutex);
256 regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status);
258 mutex_unlock(&sii902x->mutex);
267 struct sii902x *sii902x = connector_to_sii902x(connector);
269 return sii902x_detect(sii902x);
281 static struct edid *sii902x_get_edid(struct sii902x *sii902x,
286 mutex_lock(&sii902x->mutex);
288 edid = drm_get_edid(connector, sii902x->i2cmux->adapter[0]);
291 sii902x->sink_is_hdmi = true;
293 sii902x->sink_is_hdmi = false;
296 mutex_unlock(&sii902x->mutex);
303 struct sii902x *sii902x = connector_to_sii902x(connector);
307 edid = sii902x_get_edid(sii902x, connector);
332 struct sii902x *sii902x = bridge_to_sii902x(bridge);
334 mutex_lock(&sii902x->mutex);
336 regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA,
340 mutex_unlock(&sii902x->mutex);
345 struct sii902x *sii902x = bridge_to_sii902x(bridge);
347 mutex_lock(&sii902x->mutex);
349 regmap_update_bits(sii902x->regmap, SII902X_PWR_STATE_CTRL,
352 regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA,
355 mutex_unlock(&sii902x->mutex);
362 struct sii902x *sii902x = bridge_to_sii902x(bridge);
364 struct regmap *regmap = sii902x->regmap;
370 if (sii902x->sink_is_hdmi)
386 mutex_lock(&sii902x->mutex);
388 ret = regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA,
398 &sii902x->connector, adj);
416 mutex_unlock(&sii902x->mutex);
422 struct sii902x *sii902x = bridge_to_sii902x(bridge);
428 return drm_bridge_attach(bridge->encoder, sii902x->next_bridge,
431 drm_connector_helper_add(&sii902x->connector,
435 dev_err(&sii902x->i2c->dev,
436 "sii902x driver is only compatible with DRM devices supporting atomic updates\n");
440 ret = drm_connector_init(drm, &sii902x->connector,
446 if (sii902x->i2c->irq > 0)
447 sii902x->connector.polled = DRM_CONNECTOR_POLL_HPD;
449 sii902x->connector.polled = DRM_CONNECTOR_POLL_CONNECT;
451 ret = drm_display_info_set_bus_formats(&sii902x->connector.display_info,
456 drm_connector_attach_encoder(&sii902x->connector, bridge->encoder);
463 struct sii902x *sii902x = bridge_to_sii902x(bridge);
465 return sii902x_detect(sii902x);
471 struct sii902x *sii902x = bridge_to_sii902x(bridge);
473 return sii902x_get_edid(sii902x, connector);
525 static int sii902x_mute(struct sii902x *sii902x, bool mute)
527 struct device *dev = &sii902x->i2c->dev;
533 return regmap_update_bits(sii902x->regmap,
582 struct sii902x *sii902x = dev_get_drvdata(dev);
654 ret = clk_prepare_enable(sii902x->audio.mclk);
660 if (sii902x->audio.mclk) {
661 mclk_rate = clk_get_rate(sii902x->audio.mclk);
669 mutex_lock(&sii902x->mutex);
671 ret = regmap_write(sii902x->regmap,
677 ret = regmap_write(sii902x->regmap, SII902X_TPI_I2S_INPUT_CONFIG_REG,
682 for (i = 0; i < ARRAY_SIZE(sii902x->audio.i2s_fifo_sequence) &&
683 sii902x->audio.i2s_fifo_sequence[i]; i++)
684 regmap_write(sii902x->regmap,
686 sii902x->audio.i2s_fifo_sequence[i]);
688 ret = regmap_write(sii902x->regmap, SII902X_TPI_AUDIO_CONFIG_BYTE3_REG,
693 ret = regmap_bulk_write(sii902x->regmap, SII902X_TPI_I2S_STRM_HDR_BASE,
708 ret = regmap_bulk_write(sii902x->regmap,
716 ret = regmap_write(sii902x->regmap, SII902X_IND_SET_PAGE, 0x02);
720 ret = regmap_write(sii902x->regmap, SII902X_IND_OFFSET, 0x24);
724 ret = regmap_write(sii902x->regmap, SII902X_IND_VALUE, 0x02);
730 mutex_unlock(&sii902x->mutex);
733 clk_disable_unprepare(sii902x->audio.mclk);
743 struct sii902x *sii902x = dev_get_drvdata(dev);
745 mutex_lock(&sii902x->mutex);
747 regmap_write(sii902x->regmap, SII902X_TPI_AUDIO_CONFIG_BYTE2_REG,
750 mutex_unlock(&sii902x->mutex);
752 clk_disable_unprepare(sii902x->audio.mclk);
758 struct sii902x *sii902x = dev_get_drvdata(dev);
760 mutex_lock(&sii902x->mutex);
762 sii902x_mute(sii902x, enable);
764 mutex_unlock(&sii902x->mutex);
772 struct sii902x *sii902x = dev_get_drvdata(dev);
774 mutex_lock(&sii902x->mutex);
776 memcpy(buf, sii902x->connector.eld,
777 min(sizeof(sii902x->connector.eld), len));
779 mutex_unlock(&sii902x->mutex);
813 static int sii902x_audio_codec_init(struct sii902x *sii902x,
863 sii902x->audio.i2s_fifo_sequence[i] |= audio_fifo_id[i] |
866 sii902x->audio.mclk = devm_clk_get_optional(dev, "mclk");
867 if (IS_ERR(sii902x->audio.mclk)) {
869 __func__, PTR_ERR(sii902x->audio.mclk));
870 return PTR_ERR(sii902x->audio.mclk);
873 sii902x->audio.pdev = platform_device_register_data(
877 return PTR_ERR_OR_ZERO(sii902x->audio.pdev);
892 .disable_locking = true, /* struct sii902x mutex should be enough */
900 struct sii902x *sii902x = data;
903 mutex_lock(&sii902x->mutex);
905 regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status);
906 regmap_write(sii902x->regmap, SII902X_INT_STATUS, status);
908 mutex_unlock(&sii902x->mutex);
910 if ((status & SII902X_HOTPLUG_EVENT) && sii902x->bridge.dev) {
911 drm_helper_hpd_irq_event(sii902x->bridge.dev);
912 drm_bridge_hpd_notify(&sii902x->bridge, (status & SII902X_PLUGGED_STATUS)
934 struct sii902x *sii902x = i2c_mux_priv(mux);
935 struct device *dev = &sii902x->i2c->dev;
940 ret = sii902x_update_bits_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,
949 ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,
961 return sii902x_write_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,
979 struct sii902x *sii902x = i2c_mux_priv(mux);
980 struct device *dev = &sii902x->i2c->dev;
1000 ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,
1009 ret = sii902x_update_bits_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,
1018 ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,
1041 static int sii902x_init(struct sii902x *sii902x)
1043 struct device *dev = &sii902x->i2c->dev;
1048 sii902x_reset(sii902x);
1050 ret = regmap_write(sii902x->regmap, SII902X_REG_TPI_RQB, 0x0);
1054 ret = regmap_bulk_read(sii902x->regmap, SII902X_REG_CHIPID(0),
1068 regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status);
1069 regmap_write(sii902x->regmap, SII902X_INT_STATUS, status);
1071 if (sii902x->i2c->irq > 0) {
1072 regmap_write(sii902x->regmap, SII902X_INT_ENABLE,
1075 ret = devm_request_threaded_irq(dev, sii902x->i2c->irq, NULL,
1078 sii902x);
1083 ret = sii902x_audio_codec_init(sii902x, dev);
1087 i2c_set_clientdata(sii902x->i2c, sii902x);
1089 sii902x->i2cmux = i2c_mux_alloc(sii902x->i2c->adapter, dev,
1093 if (!sii902x->i2cmux) {
1098 sii902x->i2cmux->priv = sii902x;
1099 ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0, 0);
1103 sii902x->bridge.funcs = &sii902x_bridge_funcs;
1104 sii902x->bridge.of_node = dev->of_node;
1105 sii902x->bridge.timings = &default_sii902x_timings;
1106 sii902x->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID;
1108 if (sii902x->i2c->irq > 0)
1109 sii902x->bridge.ops |= DRM_BRIDGE_OP_HPD;
1111 drm_bridge_add(&sii902x->bridge);
1116 if (!PTR_ERR_OR_ZERO(sii902x->audio.pdev))
1117 platform_device_unregister(sii902x->audio.pdev);
1126 struct sii902x *sii902x;
1137 sii902x = devm_kzalloc(dev, sizeof(*sii902x), GFP_KERNEL);
1138 if (!sii902x)
1141 sii902x->i2c = client;
1142 sii902x->regmap = devm_regmap_init_i2c(client, &sii902x_regmap_config);
1143 if (IS_ERR(sii902x->regmap))
1144 return PTR_ERR(sii902x->regmap);
1146 sii902x->reset_gpio = devm_gpiod_get_optional(dev, "reset",
1148 if (IS_ERR(sii902x->reset_gpio)) {
1150 PTR_ERR(sii902x->reset_gpio));
1151 return PTR_ERR(sii902x->reset_gpio);
1170 sii902x->next_bridge = of_drm_find_bridge(remote);
1172 if (!sii902x->next_bridge)
1177 mutex_init(&sii902x->mutex);
1183 return sii902x_init(sii902x);
1188 struct sii902x *sii902x = i2c_get_clientdata(client);
1190 drm_bridge_remove(&sii902x->bridge);
1191 i2c_mux_del_adapters(sii902x->i2cmux);
1193 if (!PTR_ERR_OR_ZERO(sii902x->audio.pdev))
1194 platform_device_unregister(sii902x->audio.pdev);
1213 .name = "sii902x",