101 	int err;  in anx6345_dp_link_training()  local
103 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],  in anx6345_dp_link_training()
106 	if (err)  in anx6345_dp_link_training()
107 		return err;  in anx6345_dp_link_training()
109 	err = drm_dp_dpcd_readb(&anx6345->aux, DP_MAX_LINK_RATE, &dp_bw);  in anx6345_dp_link_training()
110 	if (err < 0)  in anx6345_dp_link_training()
111 		return err;  in anx6345_dp_link_training()
123 	err = anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL1_REG,  in anx6345_dp_link_training()
125 	if (err)  in anx6345_dp_link_training()
126 		return err;  in anx6345_dp_link_training()
128 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],  in anx6345_dp_link_training()
130 	if (err)  in anx6345_dp_link_training()
131 		return err;  in anx6345_dp_link_training()
134 	err = drm_dp_dpcd_read(&anx6345->aux, DP_DPCD_REV,  in anx6345_dp_link_training()
136 	if (err < 0) {  in anx6345_dp_link_training()
137 		DRM_ERROR("Failed to read DPCD: %d\n", err);  in anx6345_dp_link_training()
138 		return err;  in anx6345_dp_link_training()
142 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
144 	if (err)  in anx6345_dp_link_training()
145 		return err;  in anx6345_dp_link_training()
152 		err = drm_dp_dpcd_readb(&anx6345->aux, DP_SET_POWER, &dpcd[0]);  in anx6345_dp_link_training()
153 		if (err < 0) {  in anx6345_dp_link_training()
155 				  err);  in anx6345_dp_link_training()
156 			return err;  in anx6345_dp_link_training()
162 		err = drm_dp_dpcd_writeb(&anx6345->aux, DP_SET_POWER, dpcd[0]);  in anx6345_dp_link_training()
163 		if (err < 0) {  in anx6345_dp_link_training()
165 				  err);  in anx6345_dp_link_training()
166 			return err;  in anx6345_dp_link_training()
178 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
180 	if (err)  in anx6345_dp_link_training()
181 		return err;  in anx6345_dp_link_training()
186 		err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
188 		if (err)  in anx6345_dp_link_training()
189 			return err;  in anx6345_dp_link_training()
191 		err = drm_dp_dpcd_writeb(&anx6345->aux, DP_DOWNSPREAD_CTRL,  in anx6345_dp_link_training()
193 		if (err < 0)  in anx6345_dp_link_training()
194 			return err;  in anx6345_dp_link_training()
196 		err = drm_dp_dpcd_writeb(&anx6345->aux, DP_DOWNSPREAD_CTRL, 0);  in anx6345_dp_link_training()
197 		if (err < 0)  in anx6345_dp_link_training()
198 			return err;  in anx6345_dp_link_training()
203 		err = anx6345_set_bits(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
207 		err = anx6345_clear_bits(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
210 	if (err)  in anx6345_dp_link_training()
211 		return err;  in anx6345_dp_link_training()
214 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
216 	if (err)  in anx6345_dp_link_training()
217 		return err;  in anx6345_dp_link_training()
221 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_dp_link_training()
223 	if (err)  in anx6345_dp_link_training()
224 		return err;  in anx6345_dp_link_training()
229 	err = drm_dp_dpcd_write(&anx6345->aux, DP_LINK_BW_SET, dpcd,  in anx6345_dp_link_training()
232 	if (err < 0) {  in anx6345_dp_link_training()
233 		DRM_ERROR("Failed to configure link: %d\n", err);  in anx6345_dp_link_training()
234 		return err;  in anx6345_dp_link_training()
238 	err = regmap_write(anx6345->map[I2C_IDX_DPTX], SP_DP_LT_CTRL_REG,  in anx6345_dp_link_training()
240 	if (err)  in anx6345_dp_link_training()
241 		return err;  in anx6345_dp_link_training()
251 	int err, i;  in anx6345_tx_initialization()  local
254 	err = regmap_write(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL2_REG,  in anx6345_tx_initialization()
256 	if (err)  in anx6345_tx_initialization()
257 		return err;  in anx6345_tx_initialization()
259 	err = regmap_write(anx6345->map[I2C_IDX_DPTX], SP_DP_PLL_CTRL_REG, 0);  in anx6345_tx_initialization()
260 	if (err)  in anx6345_tx_initialization()
261 		return err;  in anx6345_tx_initialization()
263 	err = regmap_write(anx6345->map[I2C_IDX_TXCOM],  in anx6345_tx_initialization()
265 	if (err)  in anx6345_tx_initialization()
266 		return err;  in anx6345_tx_initialization()
268 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_tx_initialization()
271 	if (err)  in anx6345_tx_initialization()
272 		return err;  in anx6345_tx_initialization()
274 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_tx_initialization()
276 	if (err)  in anx6345_tx_initialization()
277 		return err;  in anx6345_tx_initialization()
280 	err = anx6345_set_bits(anx6345->map[I2C_IDX_DPTX],  in anx6345_tx_initialization()
283 	if (err)  in anx6345_tx_initialization()
284 		return err;  in anx6345_tx_initialization()
288 		err = regmap_write(anx6345->map[I2C_IDX_DPTX],  in anx6345_tx_initialization()
290 		if (err)  in anx6345_tx_initialization()
291 			return err;  in anx6345_tx_initialization()
295 	err = anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM],  in anx6345_tx_initialization()
297 	if (err)  in anx6345_tx_initialization()
298 		return err;  in anx6345_tx_initialization()
306 	int err;  in anx6345_poweron()  local
312 	err = regulator_enable(anx6345->dvdd12);  in anx6345_poweron()
313 	if (err) {  in anx6345_poweron()
315 			  err);  in anx6345_poweron()
322 	err = regulator_enable(anx6345->dvdd25);  in anx6345_poweron()
323 	if (err) {  in anx6345_poweron()
325 			  err);  in anx6345_poweron()
350 	int err;  in anx6345_poweroff()  local
358 	err = regulator_disable(anx6345->dvdd25);  in anx6345_poweroff()
359 	if (err) {  in anx6345_poweroff()
361 			  err);  in anx6345_poweroff()
367 	err = regulator_disable(anx6345->dvdd12);  in anx6345_poweroff()
368 	if (err) {  in anx6345_poweroff()
370 			  err);  in anx6345_poweroff()
381 	int err;  in anx6345_start()  local
387 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM],  in anx6345_start()
391 	err = anx6345_tx_initialization(anx6345);  in anx6345_start()
392 	if (err) {  in anx6345_start()
393 		DRM_ERROR("Failed eDP transmitter initialization: %d\n", err);  in anx6345_start()
395 		return err;  in anx6345_start()
398 	err = anx6345_dp_link_training(anx6345);  in anx6345_start()
399 	if (err) {  in anx6345_start()
400 		DRM_ERROR("Failed link training: %d\n", err);  in anx6345_start()
402 		return err;  in anx6345_start()
416 	int err;  in anx6345_config_dp_output()  local
418 	err = anx6345_clear_bits(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL1_REG,  in anx6345_config_dp_output()
420 	if (err)  in anx6345_config_dp_output()
421 		return err;  in anx6345_config_dp_output()
424 	err = anx6345_set_bits(anx6345->map[I2C_IDX_TXCOM], SP_VID_CTRL1_REG,  in anx6345_config_dp_output()
426 	if (err)  in anx6345_config_dp_output()
427 		return err;  in anx6345_config_dp_output()
438 	int err;  in anx6345_get_downstream_info()  local
440 	err = drm_dp_dpcd_readb(&anx6345->aux, DP_SINK_COUNT, &value);  in anx6345_get_downstream_info()
441 	if (err < 0) {  in anx6345_get_downstream_info()
442 		DRM_ERROR("Get sink count failed %d\n", err);  in anx6345_get_downstream_info()
443 		return err;  in anx6345_get_downstream_info()
457 	int err, num_modes = 0;  in anx6345_get_modes()  local
468 		err = anx6345_get_downstream_info(anx6345);  in anx6345_get_modes()
469 		if (err) {  in anx6345_get_modes()
470 			DRM_ERROR("Failed to get downstream info: %d\n", err);  in anx6345_get_modes()
478 		err = drm_connector_update_edid_property(connector,  in anx6345_get_modes()
480 		if (err) {  in anx6345_get_modes()
481 			DRM_ERROR("Failed to update EDID property: %d\n", err);  in anx6345_get_modes()
525 	int err;  in anx6345_bridge_attach()  local
543 	err = drm_dp_aux_register(&anx6345->aux);  in anx6345_bridge_attach()
544 	if (err < 0) {  in anx6345_bridge_attach()
545 		DRM_ERROR("Failed to register aux channel: %d\n", err);  in anx6345_bridge_attach()
546 		return err;  in anx6345_bridge_attach()
549 	err = drm_connector_init(bridge->dev, &anx6345->connector,  in anx6345_bridge_attach()
552 	if (err) {  in anx6345_bridge_attach()
553 		DRM_ERROR("Failed to initialize connector: %d\n", err);  in anx6345_bridge_attach()
562 	err = drm_connector_attach_encoder(&anx6345->connector,  in anx6345_bridge_attach()
564 	if (err) {  in anx6345_bridge_attach()
565 		DRM_ERROR("Failed to link up connector to encoder: %d\n", err);  in anx6345_bridge_attach()
569 	err = drm_connector_register(&anx6345->connector);  in anx6345_bridge_attach()
570 	if (err) {  in anx6345_bridge_attach()
571 		DRM_ERROR("Failed to register connector: %d\n", err);  in anx6345_bridge_attach()
580 	return err;  in anx6345_bridge_attach()
620 	int err;  in anx6345_bridge_enable()  local
625 	err = anx6345_start(anx6345);  in anx6345_bridge_enable()
626 	if (err) {  in anx6345_bridge_enable()
627 		DRM_ERROR("Failed to initialize: %d\n", err);  in anx6345_bridge_enable()
631 	err = anx6345_config_dp_output(anx6345);  in anx6345_bridge_enable()
632 	if (err)  in anx6345_bridge_enable()
633 		DRM_ERROR("Failed to enable DP output: %d\n", err);  in anx6345_bridge_enable()
700 	int i, err;  in anx6345_i2c_probe()  local
715 	err = drm_of_find_panel_or_bridge(client->dev.of_node, 1, 0,  in anx6345_i2c_probe()
717 	if (err == -EPROBE_DEFER)  in anx6345_i2c_probe()
718 		return err;  in anx6345_i2c_probe()
720 	if (err)  in anx6345_i2c_probe()
757 			err = PTR_ERR(anx6345->i2c_clients[i]);  in anx6345_i2c_probe()
766 			err = PTR_ERR(anx6345->map[i]);  in anx6345_i2c_probe()
782 		err = -ENODEV;  in anx6345_i2c_probe()
787 	return err;  in anx6345_i2c_probe()