16e3398c6SAndra Danciu // SPDX-License-Identifier: GPL-2.0 26e3398c6SAndra Danciu // 36e3398c6SAndra Danciu // Phytec pcm030 driver for the PSC of the Freescale MPC52xx 46e3398c6SAndra Danciu // configured as AC97 interface 56e3398c6SAndra Danciu // 66e3398c6SAndra Danciu // Copyright 2008 Jon Smirl, Digispeaker 76e3398c6SAndra Danciu // Author: Jon Smirl <jonsmirl@gmail.com> 8a9262c4fSJon Smirl 9a9262c4fSJon Smirl #include <linux/init.h> 10a9262c4fSJon Smirl #include <linux/module.h> 11a9262c4fSJon Smirl #include <linux/device.h> 12a9262c4fSJon Smirl #include <linux/of_device.h> 13a9262c4fSJon Smirl #include <linux/of_platform.h> 14a9262c4fSJon Smirl 15a9262c4fSJon Smirl #include <sound/soc.h> 16a9262c4fSJon Smirl 17a9262c4fSJon Smirl #include "mpc5200_dma.h" 18a9262c4fSJon Smirl 19afc5e652STakashi Iwai #define DRV_NAME "pcm030-audio-fabric" 20afc5e652STakashi Iwai 21c912fa91SEric Millbrandt struct pcm030_audio_data { 22c912fa91SEric Millbrandt struct snd_soc_card *card; 23c912fa91SEric Millbrandt struct platform_device *codec_device; 24c912fa91SEric Millbrandt }; 25c912fa91SEric Millbrandt 2661c29313SKuninori Morimoto SND_SOC_DAILINK_DEFS(analog, 2761c29313SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0")), 2861c29313SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")), 2961c29313SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY())); 3061c29313SKuninori Morimoto 3161c29313SKuninori Morimoto SND_SOC_DAILINK_DEFS(iec958, 3261c29313SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1")), 3361c29313SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-aux")), 3461c29313SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY())); 3561c29313SKuninori Morimoto 36a9262c4fSJon Smirl static struct snd_soc_dai_link pcm030_fabric_dai[] = { 37a9262c4fSJon Smirl { 38c73adc74SEric Millbrandt .name = "AC97.0", 39a9262c4fSJon Smirl .stream_name = "AC97 Analog", 4061c29313SKuninori Morimoto SND_SOC_DAILINK_REG(analog), 41a9262c4fSJon Smirl }, 42a9262c4fSJon Smirl { 43c73adc74SEric Millbrandt .name = "AC97.1", 44a9262c4fSJon Smirl .stream_name = "AC97 IEC958", 4561c29313SKuninori Morimoto SND_SOC_DAILINK_REG(iec958), 46a9262c4fSJon Smirl }, 47a9262c4fSJon Smirl }; 48a9262c4fSJon Smirl 4908401161SEric Millbrandt static struct snd_soc_card pcm030_card = { 504c3c5df0SAxel Lin .name = "pcm030", 514c3c5df0SAxel Lin .owner = THIS_MODULE, 524c3c5df0SAxel Lin .dai_link = pcm030_fabric_dai, 534c3c5df0SAxel Lin .num_links = ARRAY_SIZE(pcm030_fabric_dai), 544c3c5df0SAxel Lin }; 554c3c5df0SAxel Lin 5634913fd9SMarkus Pargmann static int pcm030_fabric_probe(struct platform_device *op) 57a9262c4fSJon Smirl { 5808401161SEric Millbrandt struct device_node *np = op->dev.of_node; 5908401161SEric Millbrandt struct device_node *platform_np; 6008401161SEric Millbrandt struct snd_soc_card *card = &pcm030_card; 61c912fa91SEric Millbrandt struct pcm030_audio_data *pdata; 627fe072b4SKuninori Morimoto struct snd_soc_dai_link *dai_link; 6308401161SEric Millbrandt int ret; 6408401161SEric Millbrandt int i; 65a9262c4fSJon Smirl 6671a157e8SGrant Likely if (!of_machine_is_compatible("phytec,pcm030")) 67a9262c4fSJon Smirl return -ENODEV; 68a9262c4fSJon Smirl 69c912fa91SEric Millbrandt pdata = devm_kzalloc(&op->dev, sizeof(struct pcm030_audio_data), 70c912fa91SEric Millbrandt GFP_KERNEL); 71c912fa91SEric Millbrandt if (!pdata) 72c912fa91SEric Millbrandt return -ENOMEM; 73c912fa91SEric Millbrandt 7408401161SEric Millbrandt card->dev = &op->dev; 75c912fa91SEric Millbrandt 76c912fa91SEric Millbrandt pdata->card = card; 7708401161SEric Millbrandt 7808401161SEric Millbrandt platform_np = of_parse_phandle(np, "asoc-platform", 0); 7908401161SEric Millbrandt if (!platform_np) { 8008401161SEric Millbrandt dev_err(&op->dev, "ac97 not registered\n"); 81a9262c4fSJon Smirl return -ENODEV; 82a9262c4fSJon Smirl } 83a9262c4fSJon Smirl 847fe072b4SKuninori Morimoto for_each_card_prelinks(card, i, dai_link) 8561c29313SKuninori Morimoto dai_link->platforms->of_node = platform_np; 86a9262c4fSJon Smirl 87c912fa91SEric Millbrandt ret = request_module("snd-soc-wm9712"); 88c912fa91SEric Millbrandt if (ret) 89c912fa91SEric Millbrandt dev_err(&op->dev, "request_module returned: %d\n", ret); 90c912fa91SEric Millbrandt 91c912fa91SEric Millbrandt pdata->codec_device = platform_device_alloc("wm9712-codec", -1); 92c912fa91SEric Millbrandt if (!pdata->codec_device) 93c912fa91SEric Millbrandt dev_err(&op->dev, "platform_device_alloc() failed\n"); 94c912fa91SEric Millbrandt 95c912fa91SEric Millbrandt ret = platform_device_add(pdata->codec_device); 96c912fa91SEric Millbrandt if (ret) 97c912fa91SEric Millbrandt dev_err(&op->dev, "platform_device_add() failed: %d\n", ret); 98c912fa91SEric Millbrandt 9908401161SEric Millbrandt ret = snd_soc_register_card(card); 10008401161SEric Millbrandt if (ret) 10108401161SEric Millbrandt dev_err(&op->dev, "snd_soc_register_card() failed: %d\n", ret); 10208401161SEric Millbrandt 1036c7ef410SWei Yongjun platform_set_drvdata(op, pdata); 1046c7ef410SWei Yongjun 10508401161SEric Millbrandt return ret; 106a9262c4fSJon Smirl } 107a9262c4fSJon Smirl 108a0a3d518SBill Pemberton static int pcm030_fabric_remove(struct platform_device *op) 10908401161SEric Millbrandt { 110c912fa91SEric Millbrandt struct pcm030_audio_data *pdata = platform_get_drvdata(op); 11108401161SEric Millbrandt int ret; 11208401161SEric Millbrandt 113c912fa91SEric Millbrandt ret = snd_soc_unregister_card(pdata->card); 114c912fa91SEric Millbrandt platform_device_unregister(pdata->codec_device); 11508401161SEric Millbrandt 11608401161SEric Millbrandt return ret; 11708401161SEric Millbrandt } 11808401161SEric Millbrandt 1196ffa84dfSFabian Frederick static const struct of_device_id pcm030_audio_match[] = { 12008401161SEric Millbrandt { .compatible = "phytec,pcm030-audio-fabric", }, 12108401161SEric Millbrandt {} 12208401161SEric Millbrandt }; 12308401161SEric Millbrandt MODULE_DEVICE_TABLE(of, pcm030_audio_match); 12408401161SEric Millbrandt 12508401161SEric Millbrandt static struct platform_driver pcm030_fabric_driver = { 12608401161SEric Millbrandt .probe = pcm030_fabric_probe, 127a0a3d518SBill Pemberton .remove = pcm030_fabric_remove, 12808401161SEric Millbrandt .driver = { 12908401161SEric Millbrandt .name = DRV_NAME, 13008401161SEric Millbrandt .of_match_table = pcm030_audio_match, 13108401161SEric Millbrandt }, 13208401161SEric Millbrandt }; 13308401161SEric Millbrandt 13408401161SEric Millbrandt module_platform_driver(pcm030_fabric_driver); 135a9262c4fSJon Smirl 136a9262c4fSJon Smirl 137a9262c4fSJon Smirl MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); 138a9262c4fSJon Smirl MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver"); 139a9262c4fSJon Smirl MODULE_LICENSE("GPL"); 140a9262c4fSJon Smirl 141