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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | // SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) ST-Ericsson SA 2012 * * Author: Ola Lilja (ola.o.lilja@stericsson.com) * for ST-Ericsson. */ #include <asm/mach-types.h> #include <linux/module.h> #include <linux/io.h> #include <linux/spi/spi.h> #include <linux/of.h> #include <sound/soc.h> #include <sound/initval.h> #include "ux500_pcm.h" #include "ux500_msp_dai.h" #include "mop500_ab8500.h" /* Define the whole MOP500 soundcard, linking platform to the codec-drivers */ SND_SOC_DAILINK_DEFS(link1, DAILINK_COMP_ARRAY(COMP_CPU("ux500-msp-i2s.1")), DAILINK_COMP_ARRAY(COMP_CODEC("ab8500-codec.0", "ab8500-codec-dai.0")), DAILINK_COMP_ARRAY(COMP_PLATFORM("ux500-msp-i2s.1"))); SND_SOC_DAILINK_DEFS(link2, DAILINK_COMP_ARRAY(COMP_CPU("ux500-msp-i2s.3")), DAILINK_COMP_ARRAY(COMP_CODEC("ab8500-codec.0", "ab8500-codec-dai.1")), DAILINK_COMP_ARRAY(COMP_PLATFORM("ux500-msp-i2s.3"))); static struct snd_soc_dai_link mop500_dai_links[] = { { .name = "ab8500_0", .stream_name = "ab8500_0", .init = mop500_ab8500_machine_init, .ops = mop500_ab8500_ops, SND_SOC_DAILINK_REG(link1), }, { .name = "ab8500_1", .stream_name = "ab8500_1", .init = NULL, .ops = mop500_ab8500_ops, SND_SOC_DAILINK_REG(link2), }, }; static struct snd_soc_card mop500_card = { .name = "MOP500-card", .owner = THIS_MODULE, .probe = NULL, .dai_link = mop500_dai_links, .num_links = ARRAY_SIZE(mop500_dai_links), }; static void mop500_of_node_put(void) { int i; for (i = 0; i < 2; i++) of_node_put(mop500_dai_links[i].cpus->of_node); /* Both links use the same codec, which is refcounted only once */ of_node_put(mop500_dai_links[0].codecs->of_node); } static int mop500_of_probe(struct platform_device *pdev, struct device_node *np) { struct device_node *codec_np, *msp_np[2]; int i; msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0); msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1); codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0); if (!(msp_np[0] && msp_np[1] && codec_np)) { dev_err(&pdev->dev, "Phandle missing or invalid\n"); for (i = 0; i < 2; i++) of_node_put(msp_np[i]); of_node_put(codec_np); return -EINVAL; } for (i = 0; i < 2; i++) { mop500_dai_links[i].cpus->of_node = msp_np[i]; mop500_dai_links[i].cpus->dai_name = NULL; mop500_dai_links[i].platforms->of_node = msp_np[i]; mop500_dai_links[i].platforms->name = NULL; mop500_dai_links[i].codecs->of_node = codec_np; mop500_dai_links[i].codecs->name = NULL; } snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name"); return 0; } static int mop500_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; int ret; dev_dbg(&pdev->dev, "%s: Enter.\n", __func__); mop500_card.dev = &pdev->dev; ret = mop500_of_probe(pdev, np); if (ret) return ret; dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n", __func__, mop500_card.name); snd_soc_card_set_drvdata(&mop500_card, NULL); dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n", __func__, mop500_card.name, mop500_card.num_links); dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n", __func__, mop500_card.name, mop500_card.dai_link[0].name); dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n", __func__, mop500_card.name, mop500_card.dai_link[0].stream_name); ret = snd_soc_register_card(&mop500_card); if (ret) dev_err(&pdev->dev, "Error: snd_soc_register_card failed (%d)!\n", ret); return ret; } static void mop500_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); pr_debug("%s: Enter.\n", __func__); snd_soc_unregister_card(card); mop500_ab8500_remove(card); mop500_of_node_put(); } static const struct of_device_id snd_soc_mop500_match[] = { { .compatible = "stericsson,snd-soc-mop500", }, {}, }; MODULE_DEVICE_TABLE(of, snd_soc_mop500_match); static struct platform_driver snd_soc_mop500_driver = { .driver = { .name = "snd-soc-mop500", .of_match_table = snd_soc_mop500_match, }, .probe = mop500_probe, .remove_new = mop500_remove, }; module_platform_driver(snd_soc_mop500_driver); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("ASoC MOP500 board driver"); MODULE_AUTHOR("Ola Lilja"); |