1 // SPDX-License-Identifier: GPL-2.0
3 // TSE-850 audio - ASoC driver for the Axentia TSE-850 with a PCM5142 codec
10 //   IN1 +---o  +------------+  o---+ OUT1
14 //             +--o  +--.     |
17 //             |      .---.   |
18 //   DAC +----------->|Sum|---+
19 //             |      '---'   |
23 //   IN2 +---o--+------------+--o---+ OUT2
33 // 'loop2' relays are active, short-cutting the TSE-850 from channel 2.
34 // IN1, IN2, OUT1 and OUT2 are TSE-850 connectors and DAC is the PCB name
62 	struct snd_soc_card *card = dapm->card;  in tse850_get_mux1()
65 	ucontrol->value.enumerated.item[0] = tse850->loop1_cache;  in tse850_get_mux1()
74 	struct snd_soc_card *card = dapm->card;  in tse850_put_mux1()
76 	struct soc_enum *e = (struct soc_enum *)kctrl->private_value;  in tse850_put_mux1()
77 	unsigned int val = ucontrol->value.enumerated.item[0];  in tse850_put_mux1()
79 	if (val >= e->items)  in tse850_put_mux1()
80 		return -EINVAL;  in tse850_put_mux1()
82 	gpiod_set_value_cansleep(tse850->loop1, val);  in tse850_put_mux1()
83 	tse850->loop1_cache = val;  in tse850_put_mux1()
92 	struct snd_soc_card *card = dapm->card;  in tse850_get_mux2()
95 	ucontrol->value.enumerated.item[0] = tse850->loop2_cache;  in tse850_get_mux2()
104 	struct snd_soc_card *card = dapm->card;  in tse850_put_mux2()
106 	struct soc_enum *e = (struct soc_enum *)kctrl->private_value;  in tse850_put_mux2()
107 	unsigned int val = ucontrol->value.enumerated.item[0];  in tse850_put_mux2()
109 	if (val >= e->items)  in tse850_put_mux2()
110 		return -EINVAL;  in tse850_put_mux2()
112 	gpiod_set_value_cansleep(tse850->loop2, val);  in tse850_put_mux2()
113 	tse850->loop2_cache = val;  in tse850_put_mux2()
122 	struct snd_soc_card *card = dapm->card;  in tse850_get_mix()
125 	ucontrol->value.enumerated.item[0] = tse850->add_cache;  in tse850_get_mix()
134 	struct snd_soc_card *card = dapm->card;  in tse850_put_mix()
136 	int connect = !!ucontrol->value.integer.value[0];  in tse850_put_mix()
138 	if (tse850->add_cache == connect)  in tse850_put_mix()
145 	gpiod_set_value_cansleep(tse850->add, connect);  in tse850_put_mix()
146 	tse850->add_cache = connect;  in tse850_put_mix()
156 	struct snd_soc_card *card = dapm->card;  in tse850_get_ana()
160 	ret = regulator_get_voltage(tse850->ana);  in tse850_get_ana()
166 	 *      -11.5V to "Low" (enum 0)  in tse850_get_ana()
167 	 * 11.5V-12.5V to "12V" (enum 1)  in tse850_get_ana()
168 	 * 12.5V-13.5V to "13V" (enum 2)  in tse850_get_ana()
170 	 * 18.5V-19.5V to "19V" (enum 8)  in tse850_get_ana()
171 	 * 19.5V-      to "20V" (enum 9)  in tse850_get_ana()
177 	ret -= 11000000;  in tse850_get_ana()
180 	ucontrol->value.enumerated.item[0] = ret;  in tse850_get_ana()
189 	struct snd_soc_card *card = dapm->card;  in tse850_put_ana()
191 	struct soc_enum *e = (struct soc_enum *)kctrl->private_value;  in tse850_put_ana()
192 	unsigned int uV = ucontrol->value.enumerated.item[0];  in tse850_put_ana()
195 	if (uV >= e->items)  in tse850_put_ana()
196 		return -EINVAL;  in tse850_put_ana()
212 	ret = regulator_set_voltage(tse850->ana, uV, uV);  in tse850_put_ana()
256 	SND_SOC_DAPM_LINE("IN2", NULL),
267  * These connections are not entirely correct, since both IN1 and IN2
282 	{ "MUX2", "Loop",  "IN2" },
289 	{ "MIX", "IN Switch", "IN2" },
297 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "pcm512x-hifi")),
301 	.name = "TSE-850",
302 	.stream_name = "TSE-850-PCM",
310 	.name = "TSE-850-ASoC",
323 	struct device_node *np = pdev->dev.of_node;  in tse850_dt_init()
328 		dev_err(&pdev->dev, "only device tree supported\n");  in tse850_dt_init()
329 		return -EINVAL;  in tse850_dt_init()
332 	cpu_np = of_parse_phandle(np, "axentia,cpu-dai", 0);  in tse850_dt_init()
334 		dev_err(&pdev->dev, "failed to get cpu dai\n");  in tse850_dt_init()
335 		return -EINVAL;  in tse850_dt_init()
337 	dailink->cpus->of_node = cpu_np;  in tse850_dt_init()
338 	dailink->platforms->of_node = cpu_np;  in tse850_dt_init()
341 	codec_np = of_parse_phandle(np, "axentia,audio-codec", 0);  in tse850_dt_init()
343 		dev_err(&pdev->dev, "failed to get codec info\n");  in tse850_dt_init()
344 		return -EINVAL;  in tse850_dt_init()
346 	dailink->codecs->of_node = codec_np;  in tse850_dt_init()
355 	struct device *dev = card->dev = &pdev->dev;  in tse850_probe()
361 		return -ENOMEM;  in tse850_probe()
371 	tse850->add = devm_gpiod_get(dev, "axentia,add", GPIOD_OUT_HIGH);  in tse850_probe()
372 	if (IS_ERR(tse850->add))  in tse850_probe()
373 		return dev_err_probe(dev, PTR_ERR(tse850->add),  in tse850_probe()
375 	tse850->add_cache = 1;  in tse850_probe()
377 	tse850->loop1 = devm_gpiod_get(dev, "axentia,loop1", GPIOD_OUT_HIGH);  in tse850_probe()
378 	if (IS_ERR(tse850->loop1))  in tse850_probe()
379 		return dev_err_probe(dev, PTR_ERR(tse850->loop1),  in tse850_probe()
381 	tse850->loop1_cache = 1;  in tse850_probe()
383 	tse850->loop2 = devm_gpiod_get(dev, "axentia,loop2", GPIOD_OUT_HIGH);  in tse850_probe()
384 	if (IS_ERR(tse850->loop2))  in tse850_probe()
385 		return dev_err_probe(dev, PTR_ERR(tse850->loop2),  in tse850_probe()
387 	tse850->loop2_cache = 1;  in tse850_probe()
389 	tse850->ana = devm_regulator_get(dev, "axentia,ana");  in tse850_probe()
390 	if (IS_ERR(tse850->ana))  in tse850_probe()
391 		return dev_err_probe(dev, PTR_ERR(tse850->ana),  in tse850_probe()
394 	ret = regulator_enable(tse850->ana);  in tse850_probe()
409 	regulator_disable(tse850->ana);  in tse850_probe()
419 	regulator_disable(tse850->ana);  in tse850_remove()
423 	{ .compatible = "axentia,tse850-pcm5142", },
430 		.name = "axentia-tse850-pcm5142",
441 MODULE_DESCRIPTION("ALSA SoC driver for TSE-850 with PCM5142 codec");