1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
8 #include <sound/soc.h>
9 #include <sound/soc-dai.h>
11 #include "meson-card.h"
19  * Those will be over-written by the CPU side of the link
33 	struct meson_card *priv = snd_soc_card_get_drvdata(rtd->card);  in gx_card_i2s_be_hw_params()
35 		(struct gx_dai_link_i2s_data *)priv->link_data[rtd->id];  in gx_card_i2s_be_hw_params()
37 	return meson_card_i2s_set_sysclk(substream, params, be->mclk_fs);  in gx_card_i2s_be_hw_params()
44 static int gx_card_parse_i2s(struct snd_soc_card *card,  in gx_card_parse_i2s()  argument
48 	struct meson_card *priv = snd_soc_card_get_drvdata(card);  in gx_card_parse_i2s()
49 	struct snd_soc_dai_link *link = &card->dai_link[*index];  in gx_card_parse_i2s()
53 	be = devm_kzalloc(card->dev, sizeof(*be), GFP_KERNEL);  in gx_card_parse_i2s()
55 		return -ENOMEM;  in gx_card_parse_i2s()
56 	priv->link_data[*index] = be;  in gx_card_parse_i2s()
59 	link->ops = &gx_card_i2s_be_ops;  in gx_card_parse_i2s()
60 	link->dai_fmt = meson_card_parse_daifmt(node, link->cpus->of_node);  in gx_card_parse_i2s()
62 	of_property_read_u32(node, "mclk-fs", &be->mclk_fs);  in gx_card_parse_i2s()
70 	if (of_device_is_compatible(c->of_node, DT_PREFIX "aiu")) {  in gx_card_cpu_identify()
71 		if (strstr(c->dai_name, match))  in gx_card_cpu_identify()
79 static int gx_card_add_link(struct snd_soc_card *card, struct device_node *np,  in gx_card_add_link()  argument
82 	struct snd_soc_dai_link *dai_link = &card->dai_link[*index];  in gx_card_add_link()
86 	cpu = devm_kzalloc(card->dev, sizeof(*cpu), GFP_KERNEL);  in gx_card_add_link()
88 		return -ENOMEM;  in gx_card_add_link()
90 	dai_link->cpus = cpu;  in gx_card_add_link()
91 	dai_link->num_cpus = 1;  in gx_card_add_link()
93 	ret = meson_card_parse_dai(card, np, dai_link->cpus);  in gx_card_add_link()
97 	if (gx_card_cpu_identify(dai_link->cpus, "FIFO"))  in gx_card_add_link()
98 		return  meson_card_set_fe_link(card, dai_link, np, true);  in gx_card_add_link()
100 	ret = meson_card_set_be_link(card, dai_link, np);  in gx_card_add_link()
105 	if (gx_card_cpu_identify(dai_link->cpus, "CODEC CTRL")) {  in gx_card_add_link()
106 		dai_link->c2c_params = &codec_params;  in gx_card_add_link()
107 		dai_link->num_c2c_params = 1;  in gx_card_add_link()
109 		dai_link->no_pcm = 1;  in gx_card_add_link()
111 		if (gx_card_cpu_identify(dai_link->cpus, "I2S Encoder"))  in gx_card_add_link()
112 			ret = gx_card_parse_i2s(card, np, index);  in gx_card_add_link()
124 		.compatible = "amlogic,gx-sound-card",
134 		.name = "gx-sound-card",
140 MODULE_DESCRIPTION("Amlogic GX ALSA machine driver");