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173 lines
4.3 KiB
173 lines
4.3 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Copyright (C) ST-Ericsson SA 2012 |
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* |
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* Author: Ola Lilja ([email protected]) |
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* for ST-Ericsson. |
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* |
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* License terms: |
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*/ |
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#include <asm/mach-types.h> |
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#include <linux/module.h> |
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#include <linux/io.h> |
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#include <linux/spi/spi.h> |
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#include <linux/of.h> |
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#include <sound/soc.h> |
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#include <sound/initval.h> |
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#include "ux500_pcm.h" |
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#include "ux500_msp_dai.h" |
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#include "mop500_ab8500.h" |
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/* Define the whole MOP500 soundcard, linking platform to the codec-drivers */ |
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SND_SOC_DAILINK_DEFS(link1, |
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DAILINK_COMP_ARRAY(COMP_CPU("ux500-msp-i2s.1")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("ab8500-codec.0", "ab8500-codec-dai.0")), |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("ux500-msp-i2s.1"))); |
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SND_SOC_DAILINK_DEFS(link2, |
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DAILINK_COMP_ARRAY(COMP_CPU("ux500-msp-i2s.3")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("ab8500-codec.0", "ab8500-codec-dai.1")), |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("ux500-msp-i2s.3"))); |
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static struct snd_soc_dai_link mop500_dai_links[] = { |
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{ |
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.name = "ab8500_0", |
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.stream_name = "ab8500_0", |
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.init = mop500_ab8500_machine_init, |
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.ops = mop500_ab8500_ops, |
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SND_SOC_DAILINK_REG(link1), |
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}, |
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{ |
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.name = "ab8500_1", |
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.stream_name = "ab8500_1", |
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.init = NULL, |
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.ops = mop500_ab8500_ops, |
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SND_SOC_DAILINK_REG(link2), |
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}, |
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}; |
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static struct snd_soc_card mop500_card = { |
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.name = "MOP500-card", |
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.owner = THIS_MODULE, |
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.probe = NULL, |
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.dai_link = mop500_dai_links, |
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.num_links = ARRAY_SIZE(mop500_dai_links), |
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}; |
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static void mop500_of_node_put(void) |
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{ |
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int i; |
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for (i = 0; i < 2; i++) |
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of_node_put(mop500_dai_links[i].cpus->of_node); |
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/* Both links use the same codec, which is refcounted only once */ |
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of_node_put(mop500_dai_links[0].codecs->of_node); |
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} |
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static int mop500_of_probe(struct platform_device *pdev, |
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struct device_node *np) |
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{ |
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struct device_node *codec_np, *msp_np[2]; |
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int i; |
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msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0); |
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msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1); |
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codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0); |
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if (!(msp_np[0] && msp_np[1] && codec_np)) { |
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dev_err(&pdev->dev, "Phandle missing or invalid\n"); |
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for (i = 0; i < 2; i++) |
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of_node_put(msp_np[i]); |
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of_node_put(codec_np); |
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return -EINVAL; |
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} |
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for (i = 0; i < 2; i++) { |
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mop500_dai_links[i].cpus->of_node = msp_np[i]; |
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mop500_dai_links[i].cpus->dai_name = NULL; |
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mop500_dai_links[i].platforms->of_node = msp_np[i]; |
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mop500_dai_links[i].platforms->name = NULL; |
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mop500_dai_links[i].codecs->of_node = codec_np; |
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mop500_dai_links[i].codecs->name = NULL; |
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} |
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snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name"); |
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return 0; |
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} |
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static int mop500_probe(struct platform_device *pdev) |
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{ |
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struct device_node *np = pdev->dev.of_node; |
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int ret; |
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dev_dbg(&pdev->dev, "%s: Enter.\n", __func__); |
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mop500_card.dev = &pdev->dev; |
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if (np) { |
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ret = mop500_of_probe(pdev, np); |
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if (ret) |
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return ret; |
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} |
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dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n", |
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__func__, mop500_card.name); |
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snd_soc_card_set_drvdata(&mop500_card, NULL); |
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dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n", |
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__func__, mop500_card.name, mop500_card.num_links); |
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dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n", |
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__func__, mop500_card.name, mop500_card.dai_link[0].name); |
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dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n", |
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__func__, mop500_card.name, |
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mop500_card.dai_link[0].stream_name); |
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ret = snd_soc_register_card(&mop500_card); |
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if (ret) |
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dev_err(&pdev->dev, |
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"Error: snd_soc_register_card failed (%d)!\n", ret); |
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return ret; |
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} |
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static int mop500_remove(struct platform_device *pdev) |
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{ |
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struct snd_soc_card *mop500_card = platform_get_drvdata(pdev); |
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pr_debug("%s: Enter.\n", __func__); |
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snd_soc_unregister_card(mop500_card); |
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mop500_ab8500_remove(mop500_card); |
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mop500_of_node_put(); |
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return 0; |
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} |
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static const struct of_device_id snd_soc_mop500_match[] = { |
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{ .compatible = "stericsson,snd-soc-mop500", }, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(of, snd_soc_mop500_match); |
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static struct platform_driver snd_soc_mop500_driver = { |
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.driver = { |
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.name = "snd-soc-mop500", |
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.of_match_table = snd_soc_mop500_match, |
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}, |
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.probe = mop500_probe, |
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.remove = mop500_remove, |
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}; |
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module_platform_driver(snd_soc_mop500_driver); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_DESCRIPTION("ASoC MOP500 board driver"); |
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MODULE_AUTHOR("Ola Lilja");
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