Lines Matching +full:aux +full:- +full:output +full:- +full:power
1 // SPDX-License-Identifier: GPL-2.0-only
29 #include "analogix-anx78xx.h"
67 struct drm_dp_aux aux; member
108 static ssize_t anx78xx_aux_transfer(struct drm_dp_aux *aux, in anx78xx_aux_transfer() argument
111 struct anx78xx *anx78xx = container_of(aux, struct anx78xx, aux); in anx78xx_aux_transfer()
112 return anx_dp_aux_transfer(anx78xx->map[I2C_IDX_TX_P0], msg); in anx78xx_aux_transfer()
119 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_set_hpd()
124 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P2], SP_VID_CTRL3_REG, in anx78xx_set_hpd()
136 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P2], SP_VID_CTRL3_REG, in anx78xx_clear_hpd()
141 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_clear_hpd()
163 err = regmap_write(anx78xx->map[I2C_IDX_RX_P0], SP_HDMI_MUTE_CTRL_REG, in anx78xx_rx_initialization()
168 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_RX_P0], SP_CHIP_CTRL_REG, in anx78xx_rx_initialization()
174 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_rx_initialization()
180 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_rx_initialization()
187 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_rx_initialization()
193 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_rx_initialization()
199 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_RX_P0], SP_AUDVID_CTRL_REG, in anx78xx_rx_initialization()
204 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_rx_initialization()
209 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_rx_initialization()
215 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_rx_initialization()
221 err = regmap_multi_reg_write(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_rx_initialization()
248 err = regmap_write(anx78xx->map[I2C_IDX_TX_P2], SP_ANALOG_CTRL0_REG, in anx78xx_link_phy_initialization()
254 * Write DP TX output emphasis precise tune bits. in anx78xx_link_phy_initialization()
256 err = regmap_bulk_write(anx78xx->map[I2C_IDX_TX_P1], in anx78xx_link_phy_initialization()
272 err = regmap_update_bits(anx78xx->map[I2C_IDX_TX_P2], in anx78xx_xtal_clk_sel()
279 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], SP_DP_AUX_CH_CTRL3_REG, in anx78xx_xtal_clk_sel()
284 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], SP_DP_AUX_CH_CTRL4_REG, in anx78xx_xtal_clk_sel()
289 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_xtal_clk_sel()
294 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_xtal_clk_sel()
300 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], SP_AUX_MISC_CTRL_REG, in anx78xx_xtal_clk_sel()
301 XTAL_CLK / 10 - 1); in anx78xx_xtal_clk_sel()
305 err = regmap_read(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_xtal_clk_sel()
311 err = regmap_write(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_xtal_clk_sel()
314 ((((XTAL_CLK / 10) >> 1) - 2) << 3)); in anx78xx_xtal_clk_sel()
332 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], SP_DP_AUX_CH_CTRL2_REG, in anx78xx_tx_initialization()
337 /* Enable aux double diff output */ in anx78xx_tx_initialization()
338 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
343 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
349 err = regmap_multi_reg_write(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
355 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
360 err = regmap_write(anx78xx->map[I2C_IDX_TX_P2], SP_VID_CTRL8_REG, in anx78xx_tx_initialization()
369 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], SP_HDCP_AUTO_TIMER_REG, in anx78xx_tx_initialization()
374 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
379 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
384 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P2], in anx78xx_tx_initialization()
393 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], SP_AUX_DEFER_CTRL_REG, in anx78xx_tx_initialization()
398 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
406 * polling for HDCP CTS item 1A-07 in anx78xx_tx_initialization()
408 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
413 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
418 /* Power down the main link by default */ in anx78xx_tx_initialization()
419 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
429 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_tx_initialization()
443 * BIT1: INT pin output type: 0 = push/pull in anx78xx_enable_interrupts()
445 err = regmap_write(anx78xx->map[I2C_IDX_TX_P2], SP_INT_CTRL_REG, 0x01); in anx78xx_enable_interrupts()
449 err = regmap_write(anx78xx->map[I2C_IDX_TX_P2], in anx78xx_enable_interrupts()
454 err = regmap_write(anx78xx->map[I2C_IDX_TX_P2], SP_DP_INT_MASK1_REG, in anx78xx_enable_interrupts()
459 err = regmap_write(anx78xx->map[I2C_IDX_RX_P0], SP_INT_MASK1_REG, in anx78xx_enable_interrupts()
469 struct anx78xx_platform_data *pdata = &anx78xx->pdata; in anx78xx_poweron()
472 if (WARN_ON(anx78xx->powered)) in anx78xx_poweron()
475 if (pdata->dvdd10) { in anx78xx_poweron()
476 err = regulator_enable(pdata->dvdd10); in anx78xx_poweron()
486 gpiod_set_value_cansleep(pdata->gpiod_reset, 1); in anx78xx_poweron()
489 gpiod_set_value_cansleep(pdata->gpiod_pd, 0); in anx78xx_poweron()
492 gpiod_set_value_cansleep(pdata->gpiod_reset, 0); in anx78xx_poweron()
494 /* Power on registers module */ in anx78xx_poweron()
495 anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P2], SP_POWERDOWN_CTRL_REG, in anx78xx_poweron()
497 anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P2], SP_POWERDOWN_CTRL_REG, in anx78xx_poweron()
500 anx78xx->powered = true; in anx78xx_poweron()
505 struct anx78xx_platform_data *pdata = &anx78xx->pdata; in anx78xx_poweroff()
508 if (WARN_ON(!anx78xx->powered)) in anx78xx_poweroff()
511 gpiod_set_value_cansleep(pdata->gpiod_reset, 1); in anx78xx_poweroff()
514 gpiod_set_value_cansleep(pdata->gpiod_pd, 1); in anx78xx_poweroff()
517 if (pdata->dvdd10) { in anx78xx_poweroff()
518 err = regulator_disable(pdata->dvdd10); in anx78xx_poweroff()
528 anx78xx->powered = false; in anx78xx_poweroff()
535 /* Power on all modules */ in anx78xx_start()
536 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P2], in anx78xx_start()
576 struct anx78xx_platform_data *pdata = &anx78xx->pdata; in anx78xx_init_pdata()
577 struct device *dev = &anx78xx->client->dev; in anx78xx_init_pdata()
579 /* 1.0V digital core power regulator */ in anx78xx_init_pdata()
580 pdata->dvdd10 = devm_regulator_get(dev, "dvdd10"); in anx78xx_init_pdata()
581 if (IS_ERR(pdata->dvdd10)) { in anx78xx_init_pdata()
582 if (PTR_ERR(pdata->dvdd10) != -EPROBE_DEFER) in anx78xx_init_pdata()
585 return PTR_ERR(pdata->dvdd10); in anx78xx_init_pdata()
589 pdata->gpiod_hpd = devm_gpiod_get(dev, "hpd", GPIOD_IN); in anx78xx_init_pdata()
590 if (IS_ERR(pdata->gpiod_hpd)) in anx78xx_init_pdata()
591 return PTR_ERR(pdata->gpiod_hpd); in anx78xx_init_pdata()
593 /* GPIO for chip power down */ in anx78xx_init_pdata()
594 pdata->gpiod_pd = devm_gpiod_get(dev, "pd", GPIOD_OUT_HIGH); in anx78xx_init_pdata()
595 if (IS_ERR(pdata->gpiod_pd)) in anx78xx_init_pdata()
596 return PTR_ERR(pdata->gpiod_pd); in anx78xx_init_pdata()
599 pdata->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); in anx78xx_init_pdata()
601 return PTR_ERR_OR_ZERO(pdata->gpiod_reset); in anx78xx_init_pdata()
609 err = regmap_write(anx78xx->map[I2C_IDX_RX_P0], SP_HDMI_MUTE_CTRL_REG, in anx78xx_dp_link_training()
614 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P2], in anx78xx_dp_link_training()
620 err = drm_dp_dpcd_readb(&anx78xx->aux, DP_MAX_LINK_RATE, &dp_bw); in anx78xx_dp_link_training()
632 return -EINVAL; in anx78xx_dp_link_training()
635 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P2], SP_VID_CTRL1_REG, in anx78xx_dp_link_training()
640 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P2], in anx78xx_dp_link_training()
646 err = drm_dp_dpcd_read(&anx78xx->aux, DP_DPCD_REV, in anx78xx_dp_link_training()
647 &anx78xx->dpcd, DP_RECEIVER_CAP_SIZE); in anx78xx_dp_link_training()
653 /* Clear channel x SERDES power down */ in anx78xx_dp_link_training()
654 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_dp_link_training()
660 * Power up the sink (DP_SET_POWER register is only available on DPCD in anx78xx_dp_link_training()
663 if (anx78xx->dpcd[DP_DPCD_REV] >= 0x11) { in anx78xx_dp_link_training()
664 err = drm_dp_dpcd_readb(&anx78xx->aux, DP_SET_POWER, &dpcd[0]); in anx78xx_dp_link_training()
674 err = drm_dp_dpcd_writeb(&anx78xx->aux, DP_SET_POWER, dpcd[0]); in anx78xx_dp_link_training()
676 DRM_ERROR("Failed to power up DisplayPort link: %d\n", in anx78xx_dp_link_training()
683 * exit the power saving state within 1 ms" (Section 2.5.3.1, in anx78xx_dp_link_training()
684 * Table 5-52, "Sink Control Field" (register 0x600). in anx78xx_dp_link_training()
690 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_dp_link_training()
695 if (anx78xx->dpcd[DP_MAX_DOWNSPREAD] & DP_MAX_DOWNSPREAD_0_5) { in anx78xx_dp_link_training()
698 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_dp_link_training()
703 err = drm_dp_dpcd_writeb(&anx78xx->aux, DP_DOWNSPREAD_CTRL, in anx78xx_dp_link_training()
708 err = drm_dp_dpcd_writeb(&anx78xx->aux, DP_DOWNSPREAD_CTRL, 0); in anx78xx_dp_link_training()
714 if (drm_dp_enhanced_frame_cap(anx78xx->dpcd)) in anx78xx_dp_link_training()
715 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_dp_link_training()
719 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_dp_link_training()
725 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_dp_link_training()
727 anx78xx->dpcd[DP_MAX_LINK_RATE]); in anx78xx_dp_link_training()
731 dpcd[1] = drm_dp_max_lane_count(anx78xx->dpcd); in anx78xx_dp_link_training()
733 if (drm_dp_enhanced_frame_cap(anx78xx->dpcd)) in anx78xx_dp_link_training()
736 err = drm_dp_dpcd_write(&anx78xx->aux, DP_LINK_BW_SET, dpcd, in anx78xx_dp_link_training()
744 err = regmap_write(anx78xx->map[I2C_IDX_TX_P0], SP_DP_LT_CTRL_REG, in anx78xx_dp_link_training()
756 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P2], SP_VID_CTRL1_REG, in anx78xx_config_dp_output()
761 /* Enable DP output */ in anx78xx_config_dp_output()
762 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P2], SP_VID_CTRL1_REG, in anx78xx_config_dp_output()
782 err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_send_video_infoframe()
787 err = regmap_bulk_write(anx78xx->map[I2C_IDX_TX_P2], in anx78xx_send_video_infoframe()
789 frame->length); in anx78xx_send_video_infoframe()
793 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_send_video_infoframe()
798 err = anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P0], in anx78xx_send_video_infoframe()
811 err = drm_dp_dpcd_readb(&anx78xx->aux, DP_SINK_COUNT, &value); in anx78xx_get_downstream_info()
819 return -EIO; in anx78xx_get_downstream_info()
830 if (WARN_ON(!anx78xx->powered)) in anx78xx_get_modes()
833 if (anx78xx->edid) in anx78xx_get_modes()
834 return drm_add_edid_modes(connector, anx78xx->edid); in anx78xx_get_modes()
836 mutex_lock(&anx78xx->lock); in anx78xx_get_modes()
844 anx78xx->edid = drm_get_edid(connector, &anx78xx->aux.ddc); in anx78xx_get_modes()
845 if (!anx78xx->edid) { in anx78xx_get_modes()
851 anx78xx->edid); in anx78xx_get_modes()
857 num_modes = drm_add_edid_modes(connector, anx78xx->edid); in anx78xx_get_modes()
860 mutex_unlock(&anx78xx->lock); in anx78xx_get_modes()
874 if (!gpiod_get_value(anx78xx->pdata.gpiod_hpd)) in anx78xx_detect()
897 return -EINVAL; in anx78xx_bridge_attach()
900 if (!bridge->encoder) { in anx78xx_bridge_attach()
902 return -ENODEV; in anx78xx_bridge_attach()
905 /* Register aux channel */ in anx78xx_bridge_attach()
906 anx78xx->aux.name = "DP-AUX"; in anx78xx_bridge_attach()
907 anx78xx->aux.dev = &anx78xx->client->dev; in anx78xx_bridge_attach()
908 anx78xx->aux.drm_dev = bridge->dev; in anx78xx_bridge_attach()
909 anx78xx->aux.transfer = anx78xx_aux_transfer; in anx78xx_bridge_attach()
911 err = drm_dp_aux_register(&anx78xx->aux); in anx78xx_bridge_attach()
913 DRM_ERROR("Failed to register aux channel: %d\n", err); in anx78xx_bridge_attach()
917 err = drm_connector_init(bridge->dev, &anx78xx->connector, in anx78xx_bridge_attach()
925 drm_connector_helper_add(&anx78xx->connector, in anx78xx_bridge_attach()
928 anx78xx->connector.polled = DRM_CONNECTOR_POLL_HPD; in anx78xx_bridge_attach()
930 err = drm_connector_attach_encoder(&anx78xx->connector, in anx78xx_bridge_attach()
931 bridge->encoder); in anx78xx_bridge_attach()
937 err = drm_connector_register(&anx78xx->connector); in anx78xx_bridge_attach()
945 drm_connector_cleanup(&anx78xx->connector); in anx78xx_bridge_attach()
947 drm_dp_aux_unregister(&anx78xx->aux); in anx78xx_bridge_attach()
953 drm_dp_aux_unregister(&bridge_to_anx78xx(bridge)->aux); in anx78xx_bridge_detach()
961 if (mode->flags & DRM_MODE_FLAG_INTERLACE) in anx78xx_bridge_mode_valid()
965 if (mode->clock > 154000) in anx78xx_bridge_mode_valid()
975 /* Power off all modules except configuration registers access */ in anx78xx_bridge_disable()
976 anx78xx_set_bits(anx78xx->map[I2C_IDX_TX_P2], SP_POWERDOWN_CTRL_REG, in anx78xx_bridge_disable()
988 if (WARN_ON(!anx78xx->powered)) in anx78xx_bridge_mode_set()
991 mutex_lock(&anx78xx->lock); in anx78xx_bridge_mode_set()
994 &anx78xx->connector, in anx78xx_bridge_mode_set()
1006 mutex_unlock(&anx78xx->lock); in anx78xx_bridge_mode_set()
1039 if (anx78xx->powered) in anx78xx_hpd_threaded_handler()
1042 mutex_lock(&anx78xx->lock); in anx78xx_hpd_threaded_handler()
1044 /* Cable is pulled, power on the chip */ in anx78xx_hpd_threaded_handler()
1051 mutex_unlock(&anx78xx->lock); in anx78xx_hpd_threaded_handler()
1062 err = regmap_write(anx78xx->map[I2C_IDX_TX_P2], SP_DP_INT_STATUS1_REG, in anx78xx_handle_dp_int_1()
1082 err = regmap_write(anx78xx->map[I2C_IDX_TX_P2], in anx78xx_handle_common_int_4()
1090 DRM_DEBUG_KMS("IRQ: Hot plug detect - cable is pulled out\n"); in anx78xx_handle_common_int_4()
1094 kfree(anx78xx->edid); in anx78xx_handle_common_int_4()
1095 anx78xx->edid = NULL; in anx78xx_handle_common_int_4()
1097 DRM_DEBUG_KMS("IRQ: Hot plug detect - cable plug\n"); in anx78xx_handle_common_int_4()
1111 err = regmap_write(anx78xx->map[I2C_IDX_RX_P0], SP_INT_STATUS1_REG, in anx78xx_handle_hdmi_int_1()
1121 err = regmap_read(anx78xx->map[I2C_IDX_RX_P0], in anx78xx_handle_hdmi_int_1()
1151 mutex_lock(&anx78xx->lock); in anx78xx_intp_threaded_handler()
1153 err = regmap_read(anx78xx->map[I2C_IDX_TX_P2], SP_DP_INT_STATUS1_REG, in anx78xx_intp_threaded_handler()
1163 err = regmap_read(anx78xx->map[I2C_IDX_TX_P2], in anx78xx_intp_threaded_handler()
1175 if (!anx78xx->powered) in anx78xx_intp_threaded_handler()
1178 err = regmap_read(anx78xx->map[I2C_IDX_RX_P0], SP_INT_STATUS1_REG, in anx78xx_intp_threaded_handler()
1189 mutex_unlock(&anx78xx->lock); in anx78xx_intp_threaded_handler()
1192 drm_helper_hpd_irq_event(anx78xx->connector.dev); in anx78xx_intp_threaded_handler()
1201 for (i = 0; i < ARRAY_SIZE(anx78xx->i2c_dummy); i++) in unregister_i2c_dummy_clients()
1202 i2c_unregister_device(anx78xx->i2c_dummy[i]); in unregister_i2c_dummy_clients()
1226 anx78xx = devm_kzalloc(&client->dev, sizeof(*anx78xx), GFP_KERNEL); in anx78xx_i2c_probe()
1228 return -ENOMEM; in anx78xx_i2c_probe()
1230 pdata = &anx78xx->pdata; in anx78xx_i2c_probe()
1232 mutex_init(&anx78xx->lock); in anx78xx_i2c_probe()
1235 anx78xx->bridge.of_node = client->dev.of_node; in anx78xx_i2c_probe()
1238 anx78xx->client = client; in anx78xx_i2c_probe()
1243 if (err != -EPROBE_DEFER) in anx78xx_i2c_probe()
1249 pdata->hpd_irq = gpiod_to_irq(pdata->gpiod_hpd); in anx78xx_i2c_probe()
1250 if (pdata->hpd_irq < 0) { in anx78xx_i2c_probe()
1251 DRM_ERROR("Failed to get HPD IRQ: %d\n", pdata->hpd_irq); in anx78xx_i2c_probe()
1252 return -ENODEV; in anx78xx_i2c_probe()
1255 pdata->intp_irq = client->irq; in anx78xx_i2c_probe()
1256 if (!pdata->intp_irq) { in anx78xx_i2c_probe()
1258 return -ENODEV; in anx78xx_i2c_probe()
1262 i2c_addresses = device_get_match_data(&client->dev); in anx78xx_i2c_probe()
1266 i2c_dummy = i2c_new_dummy_device(client->adapter, in anx78xx_i2c_probe()
1275 anx78xx->i2c_dummy[i] = i2c_dummy; in anx78xx_i2c_probe()
1276 anx78xx->map[i] = devm_regmap_init_i2c(anx78xx->i2c_dummy[i], in anx78xx_i2c_probe()
1278 if (IS_ERR(anx78xx->map[i])) { in anx78xx_i2c_probe()
1279 err = PTR_ERR(anx78xx->map[i]); in anx78xx_i2c_probe()
1289 err = regmap_read(anx78xx->map[I2C_IDX_TX_P2], SP_DEVICE_IDL_REG, in anx78xx_i2c_probe()
1294 err = regmap_read(anx78xx->map[I2C_IDX_TX_P2], SP_DEVICE_IDH_REG, in anx78xx_i2c_probe()
1299 anx78xx->chipid = (u8)idl | ((u8)idh << 8); in anx78xx_i2c_probe()
1301 err = regmap_read(anx78xx->map[I2C_IDX_TX_P2], SP_DEVICE_VERSION_REG, in anx78xx_i2c_probe()
1307 if (anx78xx->chipid == anx78xx_chipid_list[i]) { in anx78xx_i2c_probe()
1309 anx78xx->chipid, version); in anx78xx_i2c_probe()
1317 anx78xx->chipid, version); in anx78xx_i2c_probe()
1318 err = -ENODEV; in anx78xx_i2c_probe()
1322 err = devm_request_threaded_irq(&client->dev, pdata->hpd_irq, NULL, in anx78xx_i2c_probe()
1325 "anx78xx-hpd", anx78xx); in anx78xx_i2c_probe()
1332 err = devm_request_threaded_irq(&client->dev, pdata->intp_irq, NULL, in anx78xx_i2c_probe()
1335 "anx78xx-intp", anx78xx); in anx78xx_i2c_probe()
1341 anx78xx->bridge.funcs = &anx78xx_bridge_funcs; in anx78xx_i2c_probe()
1343 drm_bridge_add(&anx78xx->bridge); in anx78xx_i2c_probe()
1346 if (!gpiod_get_value(anx78xx->pdata.gpiod_hpd)) in anx78xx_i2c_probe()
1363 drm_bridge_remove(&anx78xx->bridge); in anx78xx_i2c_remove()
1367 kfree(anx78xx->edid); in anx78xx_i2c_remove()