1/* 2 * Phytec pcm030 driver for the PSC of the Freescale MPC52xx 3 * configured as AC97 interface 4 * 5 * Copyright 2008 Jon Smirl, Digispeaker 6 * Author: Jon Smirl <jonsmirl@gmail.com> 7 * 8 * This file is licensed under the terms of the GNU General Public License 9 * version 2. This program is licensed "as is" without any warranty of any 10 * kind, whether express or implied. 11 */ 12 13#include <linux/init.h> 14#include <linux/module.h> 15#include <linux/interrupt.h> 16#include <linux/device.h> 17#include <linux/delay.h> 18#include <linux/of_device.h> 19#include <linux/of_platform.h> 20#include <linux/dma-mapping.h> 21 22#include <sound/core.h> 23#include <sound/pcm.h> 24#include <sound/pcm_params.h> 25#include <sound/initval.h> 26#include <sound/soc.h> 27#include <sound/soc-of-simple.h> 28 29#include "mpc5200_dma.h" 30#include "mpc5200_psc_ac97.h" 31#include "../codecs/wm9712.h" 32 33#define DRV_NAME "pcm030-audio-fabric" 34 35static struct snd_soc_device device; 36static struct snd_soc_card card; 37 38static struct snd_soc_dai_link pcm030_fabric_dai[] = { 39{ 40 .name = "AC97", 41 .stream_name = "AC97 Analog", 42 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI], 43 .cpu_dai = &psc_ac97_dai[MPC5200_AC97_NORMAL], 44}, 45{ 46 .name = "AC97", 47 .stream_name = "AC97 IEC958", 48 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], 49 .cpu_dai = &psc_ac97_dai[MPC5200_AC97_SPDIF], 50}, 51}; 52 53static __init int pcm030_fabric_init(void) 54{ 55 struct platform_device *pdev; 56 int rc; 57 58 if (!of_machine_is_compatible("phytec,pcm030")) 59 return -ENODEV; 60 61 card.platform = &mpc5200_audio_dma_platform; 62 card.name = "pcm030"; 63 card.dai_link = pcm030_fabric_dai; 64 card.num_links = ARRAY_SIZE(pcm030_fabric_dai); 65 66 device.card = &card; 67 device.codec_dev = &soc_codec_dev_wm9712; 68 69 pdev = platform_device_alloc("soc-audio", 1); 70 if (!pdev) { 71 pr_err("pcm030_fabric_init: platform_device_alloc() failed\n"); 72 return -ENODEV; 73 } 74 75 platform_set_drvdata(pdev, &device); 76 device.dev = &pdev->dev; 77 78 rc = platform_device_add(pdev); 79 if (rc) { 80 pr_err("pcm030_fabric_init: platform_device_add() failed\n"); 81 return -ENODEV; 82 } 83 return 0; 84} 85 86module_init(pcm030_fabric_init); 87 88 89MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); 90MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver"); 91MODULE_LICENSE("GPL"); 92