1 // SPDX-License-Identifier: GPL-2.0-only
19 #include <media/v4l2-ctrls.h>
20 #include <media/v4l2-device.h>
38  * All standards are supported through autodetect, 8-bit, 4:2:2, ITU-R BT.656 output on P15 to P8.
69 	return &container_of(ctrl->handler, struct adv7183, hdl)->sd;  in to_sd()
95 		return -1;  in adv7183_writeregs()
185 	v4l2_ctrl_handler_log_status(&decoder->hdl, sd->name);  in adv7183_log_status()
193 	*std = decoder->std;  in adv7183_g_std()
220 		return -EINVAL;  in adv7183_s_std()
223 	decoder->std = std;  in adv7183_s_std()
234 	/* wait 5ms before any further i2c writes are performed */  in adv7183_reset()
246 		return -EINVAL;  in adv7183_s_routing()
248 	if (input != decoder->input) {  in adv7183_s_routing()
249 		decoder->input = input;  in adv7183_s_routing()
303 	if (output != decoder->output) {  in adv7183_s_routing()
304 		decoder->output = output;  in adv7183_s_routing()
323 	int val = ctrl->val;  in adv7183_s_ctrl()
325 	switch (ctrl->id) {  in adv7183_s_ctrl()
328 			val = 127 - val;  in adv7183_s_ctrl()
343 		return -EINVAL;  in adv7183_s_ctrl()
394 	adv7183_s_std(sd, decoder->std);  in adv7183_querystd()
415 	if (code->pad || code->index > 0)  in adv7183_enum_mbus_code()
416 		return -EINVAL;  in adv7183_enum_mbus_code()
418 	code->code = MEDIA_BUS_FMT_UYVY8_2X8;  in adv7183_enum_mbus_code()
427 	struct v4l2_mbus_framefmt *fmt = &format->format;  in adv7183_set_fmt()
429 	if (format->pad)  in adv7183_set_fmt()
430 		return -EINVAL;  in adv7183_set_fmt()
432 	fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;  in adv7183_set_fmt()
433 	fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;  in adv7183_set_fmt()
434 	if (decoder->std & V4L2_STD_525_60) {  in adv7183_set_fmt()
435 		fmt->field = V4L2_FIELD_SEQ_TB;  in adv7183_set_fmt()
436 		fmt->width = 720;  in adv7183_set_fmt()
437 		fmt->height = 480;  in adv7183_set_fmt()
439 		fmt->field = V4L2_FIELD_SEQ_BT;  in adv7183_set_fmt()
440 		fmt->width = 720;  in adv7183_set_fmt()
441 		fmt->height = 576;  in adv7183_set_fmt()
443 	if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)  in adv7183_set_fmt()
444 		decoder->fmt = *fmt;  in adv7183_set_fmt()
446 		sd_state->pads->try_fmt = *fmt;  in adv7183_set_fmt()
456 	if (format->pad)  in adv7183_get_fmt()
457 		return -EINVAL;  in adv7183_get_fmt()
459 	format->format = decoder->fmt;  in adv7183_get_fmt()
468 		gpiod_set_value(decoder->oe_pin, 1);  in adv7183_s_stream()
470 		gpiod_set_value(decoder->oe_pin, 0);  in adv7183_s_stream()
478 	reg->val = adv7183_read(sd, reg->reg & 0xff);  in adv7183_g_register()
479 	reg->size = 1;  in adv7183_g_register()
485 	adv7183_write(sd, reg->reg & 0xff, reg->val & 0xff);  in adv7183_s_register()
496 	.reset = adv7183_reset,
536 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))  in adv7183_probe()
537 		return -EIO;  in adv7183_probe()
540 			client->addr << 1, client->adapter->name);  in adv7183_probe()
542 	decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);  in adv7183_probe()
544 		return -ENOMEM;  in adv7183_probe()
547 	 * Requesting high will assert reset, the line should be  in adv7183_probe()
550 	decoder->reset_pin = devm_gpiod_get(&client->dev, "reset",  in adv7183_probe()
552 	if (IS_ERR(decoder->reset_pin))  in adv7183_probe()
553 		return PTR_ERR(decoder->reset_pin);  in adv7183_probe()
554 	gpiod_set_consumer_name(decoder->reset_pin, "ADV7183 Reset");  in adv7183_probe()
559 	decoder->oe_pin = devm_gpiod_get(&client->dev, "oe",  in adv7183_probe()
561 	if (IS_ERR(decoder->oe_pin))  in adv7183_probe()
562 		return PTR_ERR(decoder->oe_pin);  in adv7183_probe()
563 	gpiod_set_consumer_name(decoder->reset_pin, "ADV7183 Output Enable");  in adv7183_probe()
565 	sd = &decoder->sd;  in adv7183_probe()
568 	hdl = &decoder->hdl;  in adv7183_probe()
571 			V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);  in adv7183_probe()
579 	sd->ctrl_handler = hdl;  in adv7183_probe()
580 	if (hdl->error) {  in adv7183_probe()
581 		ret = hdl->error;  in adv7183_probe()
588 	decoder->std = V4L2_STD_PAL;  in adv7183_probe()
589 	decoder->input = ADV7183_COMPOSITE4;  in adv7183_probe()
590 	decoder->output = ADV7183_8BIT_OUT;  in adv7183_probe()
592 	/* reset chip */  in adv7183_probe()
593 	/* reset pulse width at least 5ms */  in adv7183_probe()
595 	/* De-assert reset line (descriptor tagged active low) */  in adv7183_probe()
596 	gpiod_set_value(decoder->reset_pin, 0);  in adv7183_probe()
597 	/* wait 5ms before any further i2c writes are performed */  in adv7183_probe()
601 	adv7183_s_std(sd, decoder->std);  in adv7183_probe()
621 	v4l2_ctrl_handler_free(sd->ctrl_handler);  in adv7183_remove()