Lines Matching +full:rpmsg +full:- +full:audio +full:- +full:channel
1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright 2017-2020 NXP
14 #include <sound/soc-dapm.h>
15 #include "imx-pcm-rpmsg.h"
36 struct snd_soc_pcm_runtime *rtd = list_first_entry(&card->rtd_list,
39 struct device *dev = card->dev;
42 if (data->lpa) {
48 codec_np = data->dai.codecs->of_node;
55 codec_dev = &codec_i2c->dev;
59 codec_dev = &codec_pdev->dev;
69 num_widgets = of_property_count_strings(data->card.dev->of_node,
70 "ignore-suspend-widgets");
72 of_property_read_string_index(data->card.dev->of_node,
73 "ignore-suspend-widgets",
79 codec_drv = codec_dev->driver;
80 if (codec_drv->pm) {
81 memcpy(&lpa_pm, codec_drv->pm, sizeof(lpa_pm));
88 codec_drv->pm = &lpa_pm;
94 if (!data->sysclk)
97 ret = snd_soc_dai_set_sysclk(codec_dai, 0, data->sysclk, SND_SOC_CLOCK_IN);
98 if (ret && ret != -ENOTSUPP) {
116 dlc = devm_kzalloc(&pdev->dev, 3 * sizeof(*dlc), GFP_KERNEL);
118 return -ENOMEM;
120 data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
122 ret = -ENOMEM;
126 data->dai.cpus = &dlc[0];
127 data->dai.num_cpus = 1;
128 data->dai.platforms = &dlc[1];
129 data->dai.num_platforms = 1;
130 data->dai.codecs = &dlc[2];
131 data->dai.num_codecs = 1;
133 data->dai.name = "rpmsg hifi";
134 data->dai.stream_name = "rpmsg hifi";
135 data->dai.dai_fmt = SND_SOC_DAIFMT_I2S |
140 * i.MX rpmsg sound cards work on codec slave mode. MCLK will be
145 data->dai.ignore_pmdown_time = 1;
147 data->dai.cpus->dai_name = pdev->dev.platform_data;
148 cpu_dai = snd_soc_find_dai(data->dai.cpus);
150 ret = -EPROBE_DEFER;
153 np = cpu_dai->dev->of_node;
155 dev_err(&pdev->dev, "failed to parse CPU DAI device node\n");
156 ret = -ENODEV;
160 ret = of_reserved_mem_device_init_by_idx(&pdev->dev, np, 0);
162 dev_warn(&pdev->dev, "no reserved DMA memory\n");
165 ret = of_parse_phandle_with_fixed_args(np, "audio-codec", 0, 0, &args);
167 *data->dai.codecs = snd_soc_dummy_dlc;
171 ret = snd_soc_get_dlc(&args, data->dai.codecs);
173 dev_err(&pdev->dev, "Unable to get codec_dai_name\n");
177 clk = devm_get_clk_from_child(&pdev->dev, args.np, NULL);
179 data->sysclk = clk_get_rate(clk);
182 if (!of_property_read_string(np, "fsl,rpmsg-channel-name", &platform_name))
183 data->dai.platforms->name = platform_name;
185 data->dai.platforms->name = "rpmsg-audio-channel";
186 data->dai.playback_only = true;
187 data->dai.capture_only = true;
188 data->card.num_links = 1;
189 data->card.dai_link = &data->dai;
191 if (of_property_read_bool(np, "fsl,rpmsg-out"))
192 data->dai.capture_only = false;
194 if (of_property_read_bool(np, "fsl,rpmsg-in"))
195 data->dai.playback_only = false;
197 if (data->dai.playback_only && data->dai.capture_only) {
198 dev_err(&pdev->dev, "no enabled rpmsg DAI link\n");
199 ret = -EINVAL;
203 if (of_property_read_bool(np, "fsl,enable-lpa"))
204 data->lpa = true;
206 data->card.dev = &pdev->dev;
207 data->card.owner = THIS_MODULE;
208 data->card.dapm_widgets = imx_rpmsg_dapm_widgets;
209 data->card.num_dapm_widgets = ARRAY_SIZE(imx_rpmsg_dapm_widgets);
210 data->card.late_probe = imx_rpmsg_late_probe;
212 * Inoder to use common api to get card name and audio routing.
215 data->card.dev->of_node = np;
217 ret = snd_soc_of_parse_card_name(&data->card, "model");
221 if (of_property_present(np, "audio-routing")) {
222 ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
224 dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
229 platform_set_drvdata(pdev, &data->card);
230 snd_soc_card_set_drvdata(&data->card, data);
231 ret = devm_snd_soc_register_card(&pdev->dev, &data->card);
233 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n");
238 pdev->dev.of_node = NULL;
244 .name = "imx-audio-rpmsg",
251 MODULE_DESCRIPTION("Freescale SoC Audio RPMSG Machine Driver");
253 MODULE_ALIAS("platform:imx-audio-rpmsg");