Lines Matching refs:anx6345
47 struct anx6345 {
69 static inline struct anx6345 *connector_to_anx6345(struct drm_connector *c)
71 return container_of(c, struct anx6345, connector);
74 static inline struct anx6345 *bridge_to_anx6345(struct drm_bridge *bridge)
76 return container_of(bridge, struct anx6345, bridge);
92 struct anx6345 *anx6345 = container_of(aux, struct anx6345, aux);
94 return anx_dp_aux_transfer(anx6345->map[I2C_IDX_DPTX], msg);
97 static int anx6345_dp_link_training(struct anx6345 *anx6345)
103 err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],
109 err = drm_dp_dpcd_readb(&anx6345->aux, DP_MAX_LINK_RATE, &dp_bw);
123 err = anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL1_REG,
128 err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],
134 err = drm_dp_dpcd_read(&anx6345->aux, DP_DPCD_REV,
135 &anx6345->dpcd, DP_RECEIVER_CAP_SIZE);
142 err = anx6345_clear_bits(anx6345->map[I2C_IDX_DPTX],
151 if (anx6345->dpcd[DP_DPCD_REV] >= 0x11) {
152 err = drm_dp_dpcd_readb(&anx6345->aux, DP_SET_POWER, &dpcd[0]);
162 err = drm_dp_dpcd_writeb(&anx6345->aux, DP_SET_POWER, dpcd[0]);
178 err = regmap_write(anx6345->map[I2C_IDX_DPTX],
183 if (anx6345->dpcd[DP_MAX_DOWNSPREAD] & DP_MAX_DOWNSPREAD_0_5) {
186 err = regmap_write(anx6345->map[I2C_IDX_DPTX],
191 err = drm_dp_dpcd_writeb(&anx6345->aux, DP_DOWNSPREAD_CTRL,
196 err = drm_dp_dpcd_writeb(&anx6345->aux, DP_DOWNSPREAD_CTRL, 0);
202 if (drm_dp_enhanced_frame_cap(anx6345->dpcd))
203 err = anx6345_set_bits(anx6345->map[I2C_IDX_DPTX],
207 err = anx6345_clear_bits(anx6345->map[I2C_IDX_DPTX],
214 err = regmap_write(anx6345->map[I2C_IDX_DPTX],
219 dpcd[1] = drm_dp_max_lane_count(anx6345->dpcd);
221 err = regmap_write(anx6345->map[I2C_IDX_DPTX],
226 if (drm_dp_enhanced_frame_cap(anx6345->dpcd))
229 err = drm_dp_dpcd_write(&anx6345->aux, DP_LINK_BW_SET, dpcd,
238 err = regmap_write(anx6345->map[I2C_IDX_DPTX], SP_DP_LT_CTRL_REG,
243 return regmap_read_poll_timeout(anx6345->map[I2C_IDX_DPTX],
249 static int anx6345_tx_initialization(struct anx6345 *anx6345)
254 err = regmap_write(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL2_REG,
259 err = regmap_write(anx6345->map[I2C_IDX_DPTX], SP_DP_PLL_CTRL_REG, 0);
263 err = regmap_write(anx6345->map[I2C_IDX_TXCOM],
268 err = regmap_write(anx6345->map[I2C_IDX_DPTX],
274 err = regmap_write(anx6345->map[I2C_IDX_DPTX],
280 err = anx6345_set_bits(anx6345->map[I2C_IDX_DPTX],
288 err = regmap_write(anx6345->map[I2C_IDX_DPTX],
295 err = anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM],
300 return anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],
304 static void anx6345_poweron(struct anx6345 *anx6345)
309 gpiod_set_value_cansleep(anx6345->gpiod_reset, 1);
312 err = regulator_enable(anx6345->dvdd12);
322 err = regulator_enable(anx6345->dvdd25);
334 gpiod_set_value_cansleep(anx6345->gpiod_reset, 0);
337 anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM], SP_POWERDOWN_CTRL_REG,
339 anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM], SP_POWERDOWN_CTRL_REG,
342 if (anx6345->panel)
343 drm_panel_prepare(anx6345->panel);
345 anx6345->powered = true;
348 static void anx6345_poweroff(struct anx6345 *anx6345)
352 gpiod_set_value_cansleep(anx6345->gpiod_reset, 1);
355 if (anx6345->panel)
356 drm_panel_unprepare(anx6345->panel);
358 err = regulator_disable(anx6345->dvdd25);
367 err = regulator_disable(anx6345->dvdd12);
376 anx6345->powered = false;
379 static int anx6345_start(struct anx6345 *anx6345)
383 if (!anx6345->powered)
384 anx6345_poweron(anx6345);
387 err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],
391 err = anx6345_tx_initialization(anx6345);
394 anx6345_poweroff(anx6345);
398 err = anx6345_dp_link_training(anx6345);
401 anx6345_poweroff(anx6345);
414 static int anx6345_config_dp_output(struct anx6345 *anx6345)
418 err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL1_REG,
424 err = anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL1_REG,
430 return anx6345_set_bits(anx6345->map[I2C_IDX_DPTX],
435 static int anx6345_get_downstream_info(struct anx6345 *anx6345)
440 err = drm_dp_dpcd_readb(&anx6345->aux, DP_SINK_COUNT, &value);
456 struct anx6345 *anx6345 = connector_to_anx6345(connector);
460 mutex_lock(&anx6345->lock);
462 if (!anx6345->edid) {
463 if (!anx6345->powered) {
464 anx6345_poweron(anx6345);
468 err = anx6345_get_downstream_info(anx6345);
474 anx6345->edid = drm_get_edid(connector, &anx6345->aux.ddc);
475 if (!anx6345->edid)
479 anx6345->edid);
486 num_modes += drm_add_edid_modes(connector, anx6345->edid);
493 anx6345_poweroff(anx6345);
495 mutex_unlock(&anx6345->lock);
497 if (!num_modes && anx6345->panel)
498 num_modes += drm_panel_get_modes(anx6345->panel, connector);
524 struct anx6345 *anx6345 = bridge_to_anx6345(bridge);
538 anx6345->aux.name = "DP-AUX";
539 anx6345->aux.dev = &anx6345->client->dev;
540 anx6345->aux.transfer = anx6345_aux_transfer;
542 err = drm_dp_aux_register(&anx6345->aux);
548 err = drm_connector_init(bridge->dev, &anx6345->connector,
556 drm_connector_helper_add(&anx6345->connector,
559 err = drm_connector_register(&anx6345->connector);
565 anx6345->connector.polled = DRM_CONNECTOR_POLL_HPD;
567 err = drm_connector_attach_encoder(&anx6345->connector,
594 struct anx6345 *anx6345 = bridge_to_anx6345(bridge);
597 anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM], SP_POWERDOWN_CTRL_REG,
599 if (anx6345->panel)
600 drm_panel_disable(anx6345->panel);
602 if (anx6345->powered)
603 anx6345_poweroff(anx6345);
608 struct anx6345 *anx6345 = bridge_to_anx6345(bridge);
611 if (anx6345->panel)
612 drm_panel_enable(anx6345->panel);
614 err = anx6345_start(anx6345);
620 err = anx6345_config_dp_output(anx6345);
632 static void unregister_i2c_dummy_clients(struct anx6345 *anx6345)
636 for (i = 1; i < ARRAY_SIZE(anx6345->i2c_clients); i++)
637 if (anx6345->i2c_clients[i] &&
638 anx6345->i2c_clients[i]->addr != anx6345->client->addr)
639 i2c_unregister_device(anx6345->i2c_clients[i]);
653 static bool anx6345_get_chip_id(struct anx6345 *anx6345)
657 if (regmap_read(anx6345->map[I2C_IDX_TXCOM], SP_DEVICE_IDL_REG, &idl))
660 if (regmap_read(anx6345->map[I2C_IDX_TXCOM], SP_DEVICE_IDH_REG, &idh))
663 anx6345->chipid = (u8)idl | ((u8)idh << 8);
665 if (regmap_read(anx6345->map[I2C_IDX_TXCOM], SP_DEVICE_VERSION_REG,
670 if (anx6345->chipid == anx6345_chipid_list[i]) {
672 anx6345->chipid, version);
678 anx6345->chipid, version);
686 struct anx6345 *anx6345;
690 anx6345 = devm_kzalloc(&client->dev, sizeof(*anx6345), GFP_KERNEL);
691 if (!anx6345)
694 mutex_init(&anx6345->lock);
696 anx6345->bridge.of_node = client->dev.of_node;
698 anx6345->client = client;
699 i2c_set_clientdata(client, anx6345);
701 dev = &anx6345->client->dev;
704 &anx6345->panel, NULL);
712 anx6345->dvdd12 = devm_regulator_get(dev, "dvdd12");
713 if (IS_ERR(anx6345->dvdd12)) {
714 if (PTR_ERR(anx6345->dvdd12) != -EPROBE_DEFER)
716 PTR_ERR(anx6345->dvdd12));
717 return PTR_ERR(anx6345->dvdd12);
721 anx6345->dvdd25 = devm_regulator_get(dev, "dvdd25");
722 if (IS_ERR(anx6345->dvdd25)) {
723 if (PTR_ERR(anx6345->dvdd25) != -EPROBE_DEFER)
725 PTR_ERR(anx6345->dvdd25));
726 return PTR_ERR(anx6345->dvdd25);
730 anx6345->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
731 if (IS_ERR(anx6345->gpiod_reset)) {
733 return PTR_ERR(anx6345->gpiod_reset);
739 anx6345->i2c_clients[i] = i2c_new_dummy_device(client->adapter,
742 anx6345->i2c_clients[i] = client;
744 if (IS_ERR(anx6345->i2c_clients[i])) {
745 err = PTR_ERR(anx6345->i2c_clients[i]);
751 anx6345->map[i] = devm_regmap_init_i2c(anx6345->i2c_clients[i],
753 if (IS_ERR(anx6345->map[i])) {
754 err = PTR_ERR(anx6345->map[i]);
762 anx6345_poweron(anx6345);
763 if (anx6345_get_chip_id(anx6345)) {
764 anx6345->bridge.funcs = &anx6345_bridge_funcs;
765 drm_bridge_add(&anx6345->bridge);
769 anx6345_poweroff(anx6345);
774 unregister_i2c_dummy_clients(anx6345);
780 struct anx6345 *anx6345 = i2c_get_clientdata(client);
782 drm_bridge_remove(&anx6345->bridge);
784 unregister_i2c_dummy_clients(anx6345);
786 kfree(anx6345->edid);
788 mutex_destroy(&anx6345->lock);
794 { "anx6345", 0 },
800 { .compatible = "analogix,anx6345", },
807 .name = "anx6345",