| 1 | /* |
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| 2 | * Efika driver for the PSC of the Freescale MPC52xx |
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| 3 | * configured as AC97 interface |
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| 4 | * |
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| 5 | * Copyright 2008 Jon Smirl, Digispeaker |
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| 6 | * Author: Jon Smirl <jonsmirl@gmail.com> |
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| 7 | * |
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| 8 | * This file is licensed under the terms of the GNU General Public License |
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| 9 | * version 2. This program is licensed "as is" without any warranty of any |
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| 10 | * kind, whether express or implied. |
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| 11 | */ |
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| 12 | |
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| 13 | #include <linux/init.h> |
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| 14 | #include <linux/module.h> |
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| 15 | #include <linux/interrupt.h> |
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| 16 | #include <linux/device.h> |
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| 17 | #include <linux/delay.h> |
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| 18 | #include <linux/of.h> |
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| 19 | #include <linux/platform_device.h> |
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| 20 | #include <linux/dma-mapping.h> |
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| 21 | |
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| 22 | #include <sound/core.h> |
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| 23 | #include <sound/pcm.h> |
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| 24 | #include <sound/pcm_params.h> |
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| 25 | #include <sound/initval.h> |
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| 26 | #include <sound/soc.h> |
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| 27 | |
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| 28 | #include "mpc5200_dma.h" |
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| 29 | |
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| 30 | #define DRV_NAME "efika-audio-fabric" |
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| 31 | |
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| 32 | SND_SOC_DAILINK_DEFS(analog, |
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| 33 | DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0" )), |
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| 34 | DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec" , |
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| 35 | "stac9766-hifi-analog" )), |
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| 36 | DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio" ))); |
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| 37 | |
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| 38 | SND_SOC_DAILINK_DEFS(iec958, |
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| 39 | DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1" )), |
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| 40 | DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec" , |
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| 41 | "stac9766-hifi-IEC958" )), |
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| 42 | DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio" ))); |
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| 43 | |
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| 44 | static struct snd_soc_dai_link efika_fabric_dai[] = { |
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| 45 | { |
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| 46 | .name = "AC97" , |
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| 47 | .stream_name = "AC97 Analog" , |
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| 48 | SND_SOC_DAILINK_REG(analog), |
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| 49 | }, |
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| 50 | { |
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| 51 | .name = "AC97" , |
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| 52 | .stream_name = "AC97 IEC958" , |
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| 53 | SND_SOC_DAILINK_REG(iec958), |
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| 54 | }, |
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| 55 | }; |
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| 56 | |
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| 57 | static struct snd_soc_card card = { |
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| 58 | .name = "Efika" , |
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| 59 | .owner = THIS_MODULE, |
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| 60 | .dai_link = efika_fabric_dai, |
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| 61 | .num_links = ARRAY_SIZE(efika_fabric_dai), |
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| 62 | }; |
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| 63 | |
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| 64 | static __init int efika_fabric_init(void) |
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| 65 | { |
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| 66 | struct platform_device *pdev; |
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| 67 | int rc; |
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| 68 | |
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| 69 | if (!of_machine_is_compatible(compat: "bplan,efika" )) |
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| 70 | return -ENODEV; |
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| 71 | |
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| 72 | pdev = platform_device_alloc(name: "soc-audio" , id: 1); |
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| 73 | if (!pdev) { |
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| 74 | pr_err("efika_fabric_init: platform_device_alloc() failed\n" ); |
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| 75 | return -ENODEV; |
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| 76 | } |
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| 77 | |
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| 78 | platform_set_drvdata(pdev, data: &card); |
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| 79 | |
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| 80 | rc = platform_device_add(pdev); |
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| 81 | if (rc) { |
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| 82 | pr_err("efika_fabric_init: platform_device_add() failed\n" ); |
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| 83 | platform_device_put(pdev); |
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| 84 | return -ENODEV; |
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| 85 | } |
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| 86 | return 0; |
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| 87 | } |
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| 88 | |
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| 89 | module_init(efika_fabric_init); |
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| 90 | |
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| 91 | |
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| 92 | MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>" ); |
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| 93 | MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver" ); |
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| 94 | MODULE_LICENSE("GPL" ); |
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| 95 | |
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| 96 | |
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