^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) // Phytec pcm030 driver for the PSC of the Freescale MPC52xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) // configured as AC97 interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) // Copyright 2008 Jon Smirl, Digispeaker
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) // Author: Jon Smirl <jonsmirl@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "mpc5200_dma.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define DRV_NAME "pcm030-audio-fabric"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct pcm030_audio_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct snd_soc_card *card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct platform_device *codec_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) SND_SOC_DAILINK_DEFS(analog,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) SND_SOC_DAILINK_DEFS(iec958,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-aux")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static struct snd_soc_dai_link pcm030_fabric_dai[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) .name = "AC97.0",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .stream_name = "AC97 Analog",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) SND_SOC_DAILINK_REG(analog),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) .name = "AC97.1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .stream_name = "AC97 IEC958",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) SND_SOC_DAILINK_REG(iec958),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static struct snd_soc_card pcm030_card = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .name = "pcm030",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .dai_link = pcm030_fabric_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .num_links = ARRAY_SIZE(pcm030_fabric_dai),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static int pcm030_fabric_probe(struct platform_device *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct device_node *np = op->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct device_node *platform_np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct snd_soc_card *card = &pcm030_card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct pcm030_audio_data *pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct snd_soc_dai_link *dai_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (!of_machine_is_compatible("phytec,pcm030"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) pdata = devm_kzalloc(&op->dev, sizeof(struct pcm030_audio_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (!pdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) card->dev = &op->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) pdata->card = card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) platform_np = of_parse_phandle(np, "asoc-platform", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (!platform_np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) dev_err(&op->dev, "ac97 not registered\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) for_each_card_prelinks(card, i, dai_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) dai_link->platforms->of_node = platform_np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) ret = request_module("snd-soc-wm9712");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) dev_err(&op->dev, "request_module returned: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) pdata->codec_device = platform_device_alloc("wm9712-codec", -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (!pdata->codec_device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) dev_err(&op->dev, "platform_device_alloc() failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) ret = platform_device_add(pdata->codec_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) dev_err(&op->dev, "platform_device_add() failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) platform_device_put(pdata->codec_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ret = snd_soc_register_card(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) dev_err(&op->dev, "snd_soc_register_card() failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) platform_device_del(pdata->codec_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) platform_device_put(pdata->codec_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) platform_set_drvdata(op, pdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static int pcm030_fabric_remove(struct platform_device *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct pcm030_audio_data *pdata = platform_get_drvdata(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) ret = snd_soc_unregister_card(pdata->card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) platform_device_unregister(pdata->codec_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static const struct of_device_id pcm030_audio_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) { .compatible = "phytec,pcm030-audio-fabric", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) MODULE_DEVICE_TABLE(of, pcm030_audio_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static struct platform_driver pcm030_fabric_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) .probe = pcm030_fabric_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .remove = pcm030_fabric_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .of_match_table = pcm030_audio_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) module_platform_driver(pcm030_fabric_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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