| /* |
| * Efika driver for the PSC of the Freescale MPC52xx |
| * configured as AC97 interface |
| * |
| * Copyright 2008 Jon Smirl, Digispeaker |
| * Author: Jon Smirl <jonsmirl@gmail.com> |
| * |
| * This file is licensed under the terms of the GNU General Public License |
| * version 2. This program is licensed "as is" without any warranty of any |
| * kind, whether express or implied. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/module.h> |
| #include <linux/interrupt.h> |
| #include <linux/device.h> |
| #include <linux/delay.h> |
| #include <linux/of_device.h> |
| #include <linux/of_platform.h> |
| #include <linux/dma-mapping.h> |
| |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/pcm_params.h> |
| #include <sound/initval.h> |
| #include <sound/soc.h> |
| |
| #include "mpc5200_dma.h" |
| |
| #define DRV_NAME "efika-audio-fabric" |
| |
| SND_SOC_DAILINK_DEFS(analog, |
| DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0")), |
| DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec", |
| "stac9766-hifi-analog")), |
| DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio"))); |
| |
| SND_SOC_DAILINK_DEFS(iec958, |
| DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1")), |
| DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec", |
| "stac9766-hifi-IEC958")), |
| DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio"))); |
| |
| static struct snd_soc_dai_link efika_fabric_dai[] = { |
| { |
| .name = "AC97", |
| .stream_name = "AC97 Analog", |
| SND_SOC_DAILINK_REG(analog), |
| }, |
| { |
| .name = "AC97", |
| .stream_name = "AC97 IEC958", |
| SND_SOC_DAILINK_REG(iec958), |
| }, |
| }; |
| |
| static struct snd_soc_card card = { |
| .name = "Efika", |
| .owner = THIS_MODULE, |
| .dai_link = efika_fabric_dai, |
| .num_links = ARRAY_SIZE(efika_fabric_dai), |
| }; |
| |
| static __init int efika_fabric_init(void) |
| { |
| struct platform_device *pdev; |
| int rc; |
| |
| if (!of_machine_is_compatible("bplan,efika")) |
| return -ENODEV; |
| |
| pdev = platform_device_alloc("soc-audio", 1); |
| if (!pdev) { |
| pr_err("efika_fabric_init: platform_device_alloc() failed\n"); |
| return -ENODEV; |
| } |
| |
| platform_set_drvdata(pdev, &card); |
| |
| rc = platform_device_add(pdev); |
| if (rc) { |
| pr_err("efika_fabric_init: platform_device_add() failed\n"); |
| platform_device_put(pdev); |
| return -ENODEV; |
| } |
| return 0; |
| } |
| |
| module_init(efika_fabric_init); |
| |
| |
| MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); |
| MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver"); |
| MODULE_LICENSE("GPL"); |
| |