1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2021-2023 Digiteq Automotive
25 	return sprintf(buf, "%d\n", vindev->config->id);  in input_id_show()
33 	struct mgb4_dev *mgbdev = vindev->mgbdev;  in oldi_lane_width_show()
44 	mutex_lock(&mgbdev->i2c_lock);  in oldi_lane_width_show()
45 	ret = mgb4_i2c_read_byte(&vindev->deser, i2c_reg);  in oldi_lane_width_show()
46 	mutex_unlock(&mgbdev->i2c_lock);  in oldi_lane_width_show()
48 		return -EIO;  in oldi_lane_width_show()
50 	config = mgb4_read_reg(&mgbdev->video, vindev->config->regs.config);  in oldi_lane_width_show()
55 		return -EINVAL;  in oldi_lane_width_show()
71 	struct mgb4_dev *mgbdev = vindev->mgbdev;  in oldi_lane_width_store()
92 		return -EINVAL;  in oldi_lane_width_store()
98 	mutex_lock(&mgbdev->i2c_lock);  in oldi_lane_width_store()
99 	ret = mgb4_i2c_mask_byte(&vindev->deser, i2c_reg, i2c_mask, i2c_data);  in oldi_lane_width_store()
100 	mutex_unlock(&mgbdev->i2c_lock);  in oldi_lane_width_store()
102 		return -EIO;  in oldi_lane_width_store()
103 	mgb4_mask_reg(&mgbdev->video, vindev->config->regs.config, 1U << 9,  in oldi_lane_width_store()
106 		/* reset input link */  in oldi_lane_width_store()
107 		mutex_lock(&mgbdev->i2c_lock);  in oldi_lane_width_store()
108 		ret = mgb4_i2c_mask_byte(&vindev->deser, 0x10, 1U << 5, 1U << 5);  in oldi_lane_width_store()
109 		mutex_unlock(&mgbdev->i2c_lock);  in oldi_lane_width_store()
111 			return -EIO;  in oldi_lane_width_store()
122 	u32 config = mgb4_read_reg(&vindev->mgbdev->video,  in color_mapping_show()
123 	  vindev->config->regs.config);  in color_mapping_show()
154 		return -EINVAL;  in color_mapping_store()
157 	mgb4_mask_reg(&vindev->mgbdev->video, vindev->config->regs.config,  in color_mapping_store()
168 	u32 status = mgb4_read_reg(&vindev->mgbdev->video,  in link_status_show()
169 				   vindev->config->regs.status);  in link_status_show()
179 	u32 status = mgb4_read_reg(&vindev->mgbdev->video,  in stream_status_show()
180 				   vindev->config->regs.status);  in stream_status_show()
191 	u32 config = mgb4_read_reg(&vindev->mgbdev->video,  in video_width_show()
192 	  vindev->config->regs.resolution);  in video_width_show()
202 	u32 config = mgb4_read_reg(&vindev->mgbdev->video,  in video_height_show()
203 	  vindev->config->regs.resolution);  in video_height_show()
213 	u32 status = mgb4_read_reg(&vindev->mgbdev->video,  in hsync_status_show()
214 				   vindev->config->regs.status);  in hsync_status_show()
232 	u32 status = mgb4_read_reg(&vindev->mgbdev->video,  in vsync_status_show()
233 				   vindev->config->regs.status);  in vsync_status_show()
252 	u32 sync = mgb4_read_reg(&vindev->mgbdev->video,  in hsync_gap_length_show()
253 				 vindev->config->regs.sync);  in hsync_gap_length_show()
275 		return -EINVAL;  in hsync_gap_length_store()
277 	mgb4_mask_reg(&vindev->mgbdev->video, vindev->config->regs.sync,  in hsync_gap_length_store()
288 	u32 sync = mgb4_read_reg(&vindev->mgbdev->video,  in vsync_gap_length_show()
289 				 vindev->config->regs.sync);  in vsync_gap_length_show()
311 		return -EINVAL;  in vsync_gap_length_store()
313 	mgb4_mask_reg(&vindev->mgbdev->video, vindev->config->regs.sync, 0xFFFF,  in vsync_gap_length_store()
324 	u32 freq = mgb4_read_reg(&vindev->mgbdev->video,  in pclk_frequency_show()
325 				 vindev->config->regs.pclk);  in pclk_frequency_show()
335 	u32 sig = mgb4_read_reg(&vindev->mgbdev->video,  in hsync_width_show()
336 				vindev->config->regs.signal);  in hsync_width_show()
346 	u32 sig = mgb4_read_reg(&vindev->mgbdev->video,  in vsync_width_show()
347 				vindev->config->regs.signal2);  in vsync_width_show()
357 	u32 sig = mgb4_read_reg(&vindev->mgbdev->video,  in hback_porch_show()
358 				vindev->config->regs.signal);  in hback_porch_show()
368 	u32 sig = mgb4_read_reg(&vindev->mgbdev->video,  in hfront_porch_show()
369 				vindev->config->regs.signal);  in hfront_porch_show()
379 	u32 sig = mgb4_read_reg(&vindev->mgbdev->video,  in vback_porch_show()
380 				vindev->config->regs.signal2);  in vback_porch_show()
390 	u32 sig = mgb4_read_reg(&vindev->mgbdev->video,  in vfront_porch_show()
391 				vindev->config->regs.signal2);  in vfront_porch_show()
402 	return sprintf(buf, "%d\n", vindev->freq_range);  in frequency_range_show()
418 		return -EINVAL;  in frequency_range_store()
420 	mutex_lock(vindev->vdev.lock);  in frequency_range_store()
421 	if (vb2_is_busy(vindev->vdev.queue)) {  in frequency_range_store()
422 		mutex_unlock(vindev->vdev.lock);  in frequency_range_store()
423 		return -EBUSY;  in frequency_range_store()
427 	vindev->freq_range = val;  in frequency_range_store()
429 	mutex_unlock(vindev->vdev.lock);  in frequency_range_store()
443 	mutex_lock(&vindev->mgbdev->i2c_lock);  in fpdl3_input_width_show()
444 	ret = mgb4_i2c_read_byte(&vindev->deser, 0x34);  in fpdl3_input_width_show()
445 	mutex_unlock(&vindev->mgbdev->i2c_lock);  in fpdl3_input_width_show()
447 		return -EIO;  in fpdl3_input_width_show()
457 		return -EINVAL;  in fpdl3_input_width_show()
462  * FPD-Link width change is expected to be called on live streams. Video device
490 		return -EINVAL;  in fpdl3_input_width_store()
493 	mutex_lock(&vindev->mgbdev->i2c_lock);  in fpdl3_input_width_store()
494 	ret = mgb4_i2c_mask_byte(&vindev->deser, 0x34, 0x18, i2c_data);  in fpdl3_input_width_store()
495 	mutex_unlock(&vindev->mgbdev->i2c_lock);  in fpdl3_input_width_store()
497 		return -EIO;  in fpdl3_input_width_store()
511 	mutex_lock(&vindev->mgbdev->i2c_lock);  in gmsl_mode_show()
512 	r1 = mgb4_i2c_read_byte(&vindev->deser, 0x01);  in gmsl_mode_show()
513 	r300 = mgb4_i2c_read_byte(&vindev->deser, 0x300);  in gmsl_mode_show()
514 	r3 = mgb4_i2c_read_byte(&vindev->deser, 0x03);  in gmsl_mode_show()
515 	mutex_unlock(&vindev->mgbdev->i2c_lock);  in gmsl_mode_show()
517 		return -EIO;  in gmsl_mode_show()
528 		return -EINVAL;  in gmsl_mode_show()
573 		return -EINVAL;  in gmsl_mode_store()
576 	mutex_lock(&vindev->mgbdev->i2c_lock);  in gmsl_mode_store()
577 	ret = mgb4_i2c_configure(&vindev->deser, values, 3);  in gmsl_mode_store()
578 	ret |= mgb4_i2c_configure(&vindev->deser, reset, 2);  in gmsl_mode_store()
579 	mutex_unlock(&vindev->mgbdev->i2c_lock);  in gmsl_mode_store()
581 		return -EIO;  in gmsl_mode_store()
593 	mutex_lock(&vindev->mgbdev->i2c_lock);  in gmsl_stream_id_show()
594 	ret = mgb4_i2c_read_byte(&vindev->deser, 0xA0);  in gmsl_stream_id_show()
595 	mutex_unlock(&vindev->mgbdev->i2c_lock);  in gmsl_stream_id_show()
597 		return -EIO;  in gmsl_stream_id_show()
615 		return -EINVAL;  in gmsl_stream_id_store()
617 	mutex_lock(vindev->vdev.lock);  in gmsl_stream_id_store()
618 	if (vb2_is_busy(vindev->vdev.queue)) {  in gmsl_stream_id_store()
619 		mutex_unlock(vindev->vdev.lock);  in gmsl_stream_id_store()
620 		return -EBUSY;  in gmsl_stream_id_store()
623 	mutex_lock(&vindev->mgbdev->i2c_lock);  in gmsl_stream_id_store()
624 	ret = mgb4_i2c_mask_byte(&vindev->deser, 0xA0, 0x03, (u8)val);  in gmsl_stream_id_store()
625 	mutex_unlock(&vindev->mgbdev->i2c_lock);  in gmsl_stream_id_store()
627 	mutex_unlock(vindev->vdev.lock);  in gmsl_stream_id_store()
629 	return (ret < 0) ? -EIO : count;  in gmsl_stream_id_store()
639 	mutex_lock(&vindev->mgbdev->i2c_lock);  in gmsl_fec_show()
640 	r3e0 = mgb4_i2c_read_byte(&vindev->deser, 0x3E0);  in gmsl_fec_show()
641 	r308 = mgb4_i2c_read_byte(&vindev->deser, 0x308);  in gmsl_fec_show()
642 	mutex_unlock(&vindev->mgbdev->i2c_lock);  in gmsl_fec_show()
644 		return -EIO;  in gmsl_fec_show()
651 		return -EINVAL;  in gmsl_fec_show()
685 		return -EINVAL;  in gmsl_fec_store()
688 	mutex_lock(&vindev->mgbdev->i2c_lock);  in gmsl_fec_store()
689 	ret = mgb4_i2c_configure(&vindev->deser, values, 2);  in gmsl_fec_store()
690 	ret |= mgb4_i2c_configure(&vindev->deser, reset, 2);  in gmsl_fec_store()
691 	mutex_unlock(&vindev->mgbdev->i2c_lock);  in gmsl_fec_store()
693 		return -EIO;  in gmsl_fec_store()