1 // SPDX-License-Identifier: GPL-2.0
3 // simple-card-utils.c
8 #include <linux/gpio.h>
9 #include <linux/gpio/consumer.h>
25 	if (data->convert_rate)  in asoc_simple_card_convert_fixup()
26 		rate->min =  in asoc_simple_card_convert_fixup()
27 		rate->max = data->convert_rate;  in asoc_simple_card_convert_fixup()
29 	if (data->convert_channels)  in asoc_simple_card_convert_fixup()
30 		channels->min =  in asoc_simple_card_convert_fixup()
31 		channels->max = data->convert_channels;  in asoc_simple_card_convert_fixup()
38 	struct device_node *np = dev->of_node;  in asoc_simple_card_parse_convert()
45 	snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-rate");  in asoc_simple_card_parse_convert()
46 	of_property_read_u32(np, prop, &data->convert_rate);  in asoc_simple_card_parse_convert()
49 	snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-channels");  in asoc_simple_card_parse_convert()
50 	of_property_read_u32(np, prop, &data->convert_channels);  in asoc_simple_card_parse_convert()
52 	dev_dbg(dev, "convert_rate     %d\n", data->convert_rate);  in asoc_simple_card_parse_convert()
53 	dev_dbg(dev, "convert_channels %d\n", data->convert_channels);  in asoc_simple_card_parse_convert()
73 		 * No dai-link level and master setting was not found from  in asoc_simple_card_parse_daifmt()
107 	int ret = -ENOMEM;  in asoc_simple_card_set_dailink_name()
116 		dai_link->name		= name;  in asoc_simple_card_set_dailink_name()
117 		dai_link->stream_name	= name;  in asoc_simple_card_set_dailink_name()
136 	if (ret < 0 || !card->name) {  in asoc_simple_card_parse_card_name()
145 	if (!card->name && card->dai_link)  in asoc_simple_card_parse_card_name()
146 		card->name = card->dai_link->name;  in asoc_simple_card_parse_card_name()
148 	dev_dbg(card->dev, "Card Name: %s\n", card->name ? card->name : "");  in asoc_simple_card_parse_card_name()
157 	dai->clk = clk;  in asoc_simple_card_clk_register()
162 	return clk_prepare_enable(dai->clk);  in asoc_simple_card_clk_enable()
168 	clk_disable_unprepare(dai->clk);  in asoc_simple_card_clk_disable()
182 	 * Parse dai->sysclk come from "clocks = <&xxx>"  in asoc_simple_card_parse_clk()
184 	 *  or "system-clock-frequency = <xxx>"  in asoc_simple_card_parse_clk()
189 		simple_dai->sysclk = clk_get_rate(clk);  in asoc_simple_card_parse_clk()
192 	} else if (!of_property_read_u32(node, "system-clock-frequency", &val)) {  in asoc_simple_card_parse_clk()
193 		simple_dai->sysclk = val;  in asoc_simple_card_parse_clk()
197 			simple_dai->sysclk = clk_get_rate(clk);  in asoc_simple_card_parse_clk()
200 	if (of_property_read_bool(node, "system-clock-direction-out"))  in asoc_simple_card_parse_clk()
201 		simple_dai->clk_direction = SND_SOC_CLOCK_OUT;  in asoc_simple_card_parse_clk()
204 		simple_dai->sysclk, simple_dai->clk_direction);  in asoc_simple_card_parse_clk()
224 	 * Get node via "sound-dai = <&phandle port>"  in asoc_simple_card_parse_dai()
231 	/* Get dai->name */  in asoc_simple_card_parse_dai()
255 	if (ret != -ENOTSUPP)  in asoc_simple_card_get_dai_id()
265 	id = -1;  in asoc_simple_card_get_dai_id()
275 		return -ENODEV;  in asoc_simple_card_get_dai_id()
295 	/* Get dai->name */  in asoc_simple_card_parse_graph_dai()
315 	if (simple_dai->sysclk) {  in asoc_simple_card_init_dai()
316 		ret = snd_soc_dai_set_sysclk(dai, 0, simple_dai->sysclk,  in asoc_simple_card_init_dai()
317 					     simple_dai->clk_direction);  in asoc_simple_card_init_dai()
318 		if (ret && ret != -ENOTSUPP) {  in asoc_simple_card_init_dai()
319 			dev_err(dai->dev, "simple-card: set_sysclk error\n");  in asoc_simple_card_init_dai()
324 	if (simple_dai->slots) {  in asoc_simple_card_init_dai()
326 					       simple_dai->tx_slot_mask,  in asoc_simple_card_init_dai()
327 					       simple_dai->rx_slot_mask,  in asoc_simple_card_init_dai()
328 					       simple_dai->slots,  in asoc_simple_card_init_dai()
329 					       simple_dai->slot_width);  in asoc_simple_card_init_dai()
330 		if (ret && ret != -ENOTSUPP) {  in asoc_simple_card_init_dai()
331 			dev_err(dai->dev, "simple-card: set_tdm_slot error\n");  in asoc_simple_card_init_dai()
343 	if (!dai_link->platform_of_node)  in asoc_simple_card_canonicalize_dailink()
344 		dai_link->platform_of_node = dai_link->cpu_of_node;  in asoc_simple_card_canonicalize_dailink()
363 		dai_link->cpu_dai_name = NULL;  in asoc_simple_card_canonicalize_cpu()
372 	for (num_links = 0, dai_link = card->dai_link;  in asoc_simple_card_clean_reference()
373 	     num_links < card->num_links;  in asoc_simple_card_clean_reference()
375 		of_node_put(dai_link->cpu_of_node);  in asoc_simple_card_clean_reference()
376 		of_node_put(dai_link->codec_of_node);  in asoc_simple_card_clean_reference()
386 	struct device_node *node = card->dev->of_node;  in asoc_simple_card_of_parse_routing()
397 		return -EINVAL;  in asoc_simple_card_of_parse_routing()
407 	struct device_node *node = card->dev->of_node;  in asoc_simple_card_of_parse_widgets()
427 	struct device *dev = card->dev;  in asoc_simple_card_init_jack()
433 	int det;  in asoc_simple_card_init_jack()  local
438 	sjack->gpio.gpio = -ENOENT;  in asoc_simple_card_init_jack()
441 		snprintf(prop, sizeof(prop), "%shp-det-gpio", prefix);  in asoc_simple_card_init_jack()
446 		snprintf(prop, sizeof(prop), "%smic-det-gpio", prefix);  in asoc_simple_card_init_jack()
447 		pin_name	= "Mic Jack";  in asoc_simple_card_init_jack()
448 		gpio_name	= "Mic detection";  in asoc_simple_card_init_jack()
452 	det = of_get_named_gpio_flags(dev->of_node, prop, 0, &flags);  in asoc_simple_card_init_jack()
453 	if (det == -EPROBE_DEFER)  in asoc_simple_card_init_jack()
454 		return -EPROBE_DEFER;  in asoc_simple_card_init_jack()
456 	if (gpio_is_valid(det)) {  in asoc_simple_card_init_jack()
457 		sjack->pin.pin		= pin_name;  in asoc_simple_card_init_jack()
458 		sjack->pin.mask		= mask;  in asoc_simple_card_init_jack()
460 		sjack->gpio.name	= gpio_name;  in asoc_simple_card_init_jack()
461 		sjack->gpio.report	= mask;  in asoc_simple_card_init_jack()
462 		sjack->gpio.gpio	= det;  in asoc_simple_card_init_jack()
463 		sjack->gpio.invert	= !!(flags & OF_GPIO_ACTIVE_LOW);  in asoc_simple_card_init_jack()
464 		sjack->gpio.debounce_time = 150;  in asoc_simple_card_init_jack()
467 				      &sjack->jack,  in asoc_simple_card_init_jack()
468 				      &sjack->pin, 1);  in asoc_simple_card_init_jack()
470 		snd_soc_jack_add_gpios(&sjack->jack, 1,  in asoc_simple_card_init_jack()
471 				       &sjack->gpio);  in asoc_simple_card_init_jack()