1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0 2 // 2 // 3 // Phytec pcm030 driver for the PSC of the Fre 3 // Phytec pcm030 driver for the PSC of the Freescale MPC52xx 4 // configured as AC97 interface 4 // configured as AC97 interface 5 // 5 // 6 // Copyright 2008 Jon Smirl, Digispeaker 6 // Copyright 2008 Jon Smirl, Digispeaker 7 // Author: Jon Smirl <jonsmirl@gmail.com> 7 // Author: Jon Smirl <jonsmirl@gmail.com> 8 8 9 #include <linux/init.h> 9 #include <linux/init.h> 10 #include <linux/module.h> 10 #include <linux/module.h> 11 #include <linux/device.h> 11 #include <linux/device.h> 12 #include <linux/of.h> !! 12 #include <linux/of_device.h> >> 13 #include <linux/of_platform.h> 13 14 14 #include <sound/soc.h> 15 #include <sound/soc.h> 15 16 16 #include "mpc5200_dma.h" 17 #include "mpc5200_dma.h" 17 18 18 #define DRV_NAME "pcm030-audio-fabric" 19 #define DRV_NAME "pcm030-audio-fabric" 19 20 20 struct pcm030_audio_data { 21 struct pcm030_audio_data { 21 struct snd_soc_card *card; 22 struct snd_soc_card *card; 22 struct platform_device *codec_device; 23 struct platform_device *codec_device; 23 }; 24 }; 24 25 25 SND_SOC_DAILINK_DEFS(analog, << 26 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-p << 27 DAILINK_COMP_ARRAY(COMP_CODEC("wm9712- << 28 DAILINK_COMP_ARRAY(COMP_EMPTY())); << 29 << 30 SND_SOC_DAILINK_DEFS(iec958, << 31 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-p << 32 DAILINK_COMP_ARRAY(COMP_CODEC("wm9712- << 33 DAILINK_COMP_ARRAY(COMP_EMPTY())); << 34 << 35 static struct snd_soc_dai_link pcm030_fabric_d 26 static struct snd_soc_dai_link pcm030_fabric_dai[] = { 36 { 27 { 37 .name = "AC97.0", 28 .name = "AC97.0", 38 .stream_name = "AC97 Analog", 29 .stream_name = "AC97 Analog", 39 SND_SOC_DAILINK_REG(analog), !! 30 .codec_dai_name = "wm9712-hifi", >> 31 .cpu_dai_name = "mpc5200-psc-ac97.0", >> 32 .codec_name = "wm9712-codec", 40 }, 33 }, 41 { 34 { 42 .name = "AC97.1", 35 .name = "AC97.1", 43 .stream_name = "AC97 IEC958", 36 .stream_name = "AC97 IEC958", 44 SND_SOC_DAILINK_REG(iec958), !! 37 .codec_dai_name = "wm9712-aux", >> 38 .cpu_dai_name = "mpc5200-psc-ac97.1", >> 39 .codec_name = "wm9712-codec", 45 }, 40 }, 46 }; 41 }; 47 42 48 static struct snd_soc_card pcm030_card = { 43 static struct snd_soc_card pcm030_card = { 49 .name = "pcm030", 44 .name = "pcm030", 50 .owner = THIS_MODULE, 45 .owner = THIS_MODULE, 51 .dai_link = pcm030_fabric_dai, 46 .dai_link = pcm030_fabric_dai, 52 .num_links = ARRAY_SIZE(pcm030_fabric_ 47 .num_links = ARRAY_SIZE(pcm030_fabric_dai), 53 }; 48 }; 54 49 55 static int pcm030_fabric_probe(struct platform 50 static int pcm030_fabric_probe(struct platform_device *op) 56 { 51 { 57 struct device_node *np = op->dev.of_no 52 struct device_node *np = op->dev.of_node; 58 struct device_node *platform_np; 53 struct device_node *platform_np; 59 struct snd_soc_card *card = &pcm030_ca 54 struct snd_soc_card *card = &pcm030_card; 60 struct pcm030_audio_data *pdata; 55 struct pcm030_audio_data *pdata; 61 struct snd_soc_dai_link *dai_link; 56 struct snd_soc_dai_link *dai_link; 62 int ret; 57 int ret; 63 int i; 58 int i; 64 59 65 if (!of_machine_is_compatible("phytec, 60 if (!of_machine_is_compatible("phytec,pcm030")) 66 return -ENODEV; 61 return -ENODEV; 67 62 68 pdata = devm_kzalloc(&op->dev, sizeof( 63 pdata = devm_kzalloc(&op->dev, sizeof(struct pcm030_audio_data), 69 GFP_KERNEL); 64 GFP_KERNEL); 70 if (!pdata) 65 if (!pdata) 71 return -ENOMEM; 66 return -ENOMEM; 72 67 73 card->dev = &op->dev; 68 card->dev = &op->dev; 74 69 75 pdata->card = card; 70 pdata->card = card; 76 71 77 platform_np = of_parse_phandle(np, "as 72 platform_np = of_parse_phandle(np, "asoc-platform", 0); 78 if (!platform_np) { 73 if (!platform_np) { 79 dev_err(&op->dev, "ac97 not re 74 dev_err(&op->dev, "ac97 not registered\n"); 80 return -ENODEV; 75 return -ENODEV; 81 } 76 } 82 77 83 for_each_card_prelinks(card, i, dai_li 78 for_each_card_prelinks(card, i, dai_link) 84 dai_link->platforms->of_node = !! 79 dai_link->platform_of_node = platform_np; 85 80 86 ret = request_module("snd-soc-wm9712") 81 ret = request_module("snd-soc-wm9712"); 87 if (ret) 82 if (ret) 88 dev_err(&op->dev, "request_mod 83 dev_err(&op->dev, "request_module returned: %d\n", ret); 89 84 90 pdata->codec_device = platform_device_ 85 pdata->codec_device = platform_device_alloc("wm9712-codec", -1); 91 if (!pdata->codec_device) 86 if (!pdata->codec_device) 92 dev_err(&op->dev, "platform_de 87 dev_err(&op->dev, "platform_device_alloc() failed\n"); 93 88 94 ret = platform_device_add(pdata->codec 89 ret = platform_device_add(pdata->codec_device); 95 if (ret) { !! 90 if (ret) 96 dev_err(&op->dev, "platform_de 91 dev_err(&op->dev, "platform_device_add() failed: %d\n", ret); 97 platform_device_put(pdata->cod << 98 } << 99 92 100 ret = snd_soc_register_card(card); 93 ret = snd_soc_register_card(card); 101 if (ret) { !! 94 if (ret) 102 dev_err(&op->dev, "snd_soc_reg 95 dev_err(&op->dev, "snd_soc_register_card() failed: %d\n", ret); 103 platform_device_unregister(pda << 104 } << 105 96 106 platform_set_drvdata(op, pdata); 97 platform_set_drvdata(op, pdata); 107 return ret; << 108 98 >> 99 return ret; 109 } 100 } 110 101 111 static void pcm030_fabric_remove(struct platfo !! 102 static int pcm030_fabric_remove(struct platform_device *op) 112 { 103 { 113 struct pcm030_audio_data *pdata = plat 104 struct pcm030_audio_data *pdata = platform_get_drvdata(op); >> 105 int ret; 114 106 115 snd_soc_unregister_card(pdata->card); !! 107 ret = snd_soc_unregister_card(pdata->card); 116 platform_device_unregister(pdata->code 108 platform_device_unregister(pdata->codec_device); >> 109 >> 110 return ret; 117 } 111 } 118 112 119 static const struct of_device_id pcm030_audio_ 113 static const struct of_device_id pcm030_audio_match[] = { 120 { .compatible = "phytec,pcm030-audio-f 114 { .compatible = "phytec,pcm030-audio-fabric", }, 121 {} 115 {} 122 }; 116 }; 123 MODULE_DEVICE_TABLE(of, pcm030_audio_match); 117 MODULE_DEVICE_TABLE(of, pcm030_audio_match); 124 118 125 static struct platform_driver pcm030_fabric_dr 119 static struct platform_driver pcm030_fabric_driver = { 126 .probe = pcm030_fabric_probe, 120 .probe = pcm030_fabric_probe, 127 .remove = pcm030_fabric_remove 121 .remove = pcm030_fabric_remove, 128 .driver = { 122 .driver = { 129 .name = DRV_NAME, 123 .name = DRV_NAME, 130 .of_match_table = pcm030_au 124 .of_match_table = pcm030_audio_match, 131 }, 125 }, 132 }; 126 }; 133 127 134 module_platform_driver(pcm030_fabric_driver); 128 module_platform_driver(pcm030_fabric_driver); 135 129 136 130 137 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>" 131 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); 138 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 132 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver"); 139 MODULE_LICENSE("GPL"); 133 MODULE_LICENSE("GPL"); 140 134 141 135
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