1e0690385SOla Lilja /* 2e0690385SOla Lilja * Copyright (C) ST-Ericsson SA 2012 3e0690385SOla Lilja * 4e0690385SOla Lilja * Author: Ola Lilja (ola.o.lilja@stericsson.com) 5e0690385SOla Lilja * for ST-Ericsson. 6e0690385SOla Lilja * 7e0690385SOla Lilja * License terms: 8e0690385SOla Lilja * 9e0690385SOla Lilja * This program is free software; you can redistribute it and/or modify 10e0690385SOla Lilja * it under the terms of the GNU General Public License version 2 as published 11e0690385SOla Lilja * by the Free Software Foundation. 12e0690385SOla Lilja */ 13e0690385SOla Lilja 14e0690385SOla Lilja #include <asm/mach-types.h> 15e0690385SOla Lilja 16e0690385SOla Lilja #include <linux/module.h> 17e0690385SOla Lilja #include <linux/io.h> 18e0690385SOla Lilja #include <linux/spi/spi.h> 190af541ceSLee Jones #include <linux/of.h> 20e0690385SOla Lilja 21e0690385SOla Lilja #include <sound/soc.h> 22e0690385SOla Lilja #include <sound/initval.h> 23e0690385SOla Lilja 24e0690385SOla Lilja #include "ux500_pcm.h" 25e0690385SOla Lilja #include "ux500_msp_dai.h" 26e0690385SOla Lilja 27e0690385SOla Lilja #include <mop500_ab8500.h> 28e0690385SOla Lilja 29e0690385SOla Lilja /* Define the whole MOP500 soundcard, linking platform to the codec-drivers */ 30e0690385SOla Lilja struct snd_soc_dai_link mop500_dai_links[] = { 31e0690385SOla Lilja { 32e0690385SOla Lilja .name = "ab8500_0", 33e0690385SOla Lilja .stream_name = "ab8500_0", 34e0690385SOla Lilja .cpu_dai_name = "ux500-msp-i2s.1", 35e0690385SOla Lilja .codec_dai_name = "ab8500-codec-dai.0", 36e0690385SOla Lilja .platform_name = "ux500-pcm.0", 37e0690385SOla Lilja .codec_name = "ab8500-codec.0", 38e0690385SOla Lilja .init = mop500_ab8500_machine_init, 39e0690385SOla Lilja .ops = mop500_ab8500_ops, 40e0690385SOla Lilja }, 41e0690385SOla Lilja { 42e0690385SOla Lilja .name = "ab8500_1", 43e0690385SOla Lilja .stream_name = "ab8500_1", 44e0690385SOla Lilja .cpu_dai_name = "ux500-msp-i2s.3", 45e0690385SOla Lilja .codec_dai_name = "ab8500-codec-dai.1", 46e0690385SOla Lilja .platform_name = "ux500-pcm.0", 47e0690385SOla Lilja .codec_name = "ab8500-codec.0", 48e0690385SOla Lilja .init = NULL, 49e0690385SOla Lilja .ops = mop500_ab8500_ops, 50e0690385SOla Lilja }, 51e0690385SOla Lilja }; 52e0690385SOla Lilja 53e0690385SOla Lilja static struct snd_soc_card mop500_card = { 54e0690385SOla Lilja .name = "MOP500-card", 55e0690385SOla Lilja .probe = NULL, 56e0690385SOla Lilja .dai_link = mop500_dai_links, 57e0690385SOla Lilja .num_links = ARRAY_SIZE(mop500_dai_links), 58e0690385SOla Lilja }; 59e0690385SOla Lilja 600af541ceSLee Jones static int __devinit mop500_of_probe(struct platform_device *pdev, 610af541ceSLee Jones struct device_node *np) 620af541ceSLee Jones { 630af541ceSLee Jones struct device_node *codec_np, *msp_np[2]; 640af541ceSLee Jones int i; 650af541ceSLee Jones 660af541ceSLee Jones msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0); 670af541ceSLee Jones msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1); 680af541ceSLee Jones codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0); 690af541ceSLee Jones 700af541ceSLee Jones if (!(msp_np[0] && msp_np[1] && codec_np)) { 710af541ceSLee Jones dev_err(&pdev->dev, "Phandle missing or invalid\n"); 720af541ceSLee Jones return -EINVAL; 730af541ceSLee Jones } 740af541ceSLee Jones 750af541ceSLee Jones for (i = 0; i < 2; i++) { 760af541ceSLee Jones mop500_dai_links[i].cpu_of_node = msp_np[i]; 770af541ceSLee Jones mop500_dai_links[i].cpu_dai_name = NULL; 780af541ceSLee Jones mop500_dai_links[i].codec_of_node = codec_np; 790af541ceSLee Jones mop500_dai_links[i].codec_name = NULL; 800af541ceSLee Jones } 810af541ceSLee Jones 820af541ceSLee Jones snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name"); 830af541ceSLee Jones 840af541ceSLee Jones return 0; 850af541ceSLee Jones } 86e0690385SOla Lilja static int __devinit mop500_probe(struct platform_device *pdev) 87e0690385SOla Lilja { 880af541ceSLee Jones struct device_node *np = pdev->dev.of_node; 89e0690385SOla Lilja int ret; 90e0690385SOla Lilja 91e0690385SOla Lilja dev_dbg(&pdev->dev, "%s: Enter.\n", __func__); 92e0690385SOla Lilja 93e0690385SOla Lilja mop500_card.dev = &pdev->dev; 94e0690385SOla Lilja 950af541ceSLee Jones if (np) { 960af541ceSLee Jones ret = mop500_of_probe(pdev, np); 970af541ceSLee Jones if (ret) 980af541ceSLee Jones return ret; 990af541ceSLee Jones } 1000af541ceSLee Jones 101e0690385SOla Lilja dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n", 102e0690385SOla Lilja __func__, mop500_card.name); 103e0690385SOla Lilja platform_set_drvdata(pdev, &mop500_card); 104e0690385SOla Lilja 105e0690385SOla Lilja snd_soc_card_set_drvdata(&mop500_card, NULL); 106e0690385SOla Lilja 107e0690385SOla Lilja dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n", 108e0690385SOla Lilja __func__, mop500_card.name, mop500_card.num_links); 109e0690385SOla Lilja dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n", 110e0690385SOla Lilja __func__, mop500_card.name, mop500_card.dai_link[0].name); 111e0690385SOla Lilja dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n", 112e0690385SOla Lilja __func__, mop500_card.name, 113e0690385SOla Lilja mop500_card.dai_link[0].stream_name); 114e0690385SOla Lilja 115e0690385SOla Lilja ret = snd_soc_register_card(&mop500_card); 116e0690385SOla Lilja if (ret) 117e0690385SOla Lilja dev_err(&pdev->dev, 1182087a692SLee Jones "Error: snd_soc_register_card failed (%d)!\n", ret); 119e0690385SOla Lilja 120e0690385SOla Lilja return ret; 121e0690385SOla Lilja } 122e0690385SOla Lilja 123e0690385SOla Lilja static int __devexit mop500_remove(struct platform_device *pdev) 124e0690385SOla Lilja { 125e0690385SOla Lilja struct snd_soc_card *mop500_card = platform_get_drvdata(pdev); 126e0690385SOla Lilja 127e0690385SOla Lilja pr_debug("%s: Enter.\n", __func__); 128e0690385SOla Lilja 129e0690385SOla Lilja snd_soc_unregister_card(mop500_card); 130e0690385SOla Lilja mop500_ab8500_remove(mop500_card); 131e0690385SOla Lilja 132e0690385SOla Lilja return 0; 133e0690385SOla Lilja } 134e0690385SOla Lilja 1350af541ceSLee Jones static const struct of_device_id snd_soc_mop500_match[] = { 1360af541ceSLee Jones { .compatible = "stericsson,snd-soc-mop500", }, 1370af541ceSLee Jones {}, 1380af541ceSLee Jones }; 1390af541ceSLee Jones 140e0690385SOla Lilja static struct platform_driver snd_soc_mop500_driver = { 141e0690385SOla Lilja .driver = { 142e0690385SOla Lilja .owner = THIS_MODULE, 143e0690385SOla Lilja .name = "snd-soc-mop500", 1440af541ceSLee Jones .of_match_table = snd_soc_mop500_match, 145e0690385SOla Lilja }, 146e0690385SOla Lilja .probe = mop500_probe, 147e0690385SOla Lilja .remove = __devexit_p(mop500_remove), 148e0690385SOla Lilja }; 149e0690385SOla Lilja 150e0690385SOla Lilja module_platform_driver(snd_soc_mop500_driver); 151