1 /* 1 /* 2 * Efika driver for the PSC of the Freescale M 2 * Efika driver for the PSC of the Freescale MPC52xx 3 * configured as AC97 interface 3 * configured as AC97 interface 4 * 4 * 5 * Copyright 2008 Jon Smirl, Digispeaker 5 * Copyright 2008 Jon Smirl, Digispeaker 6 * Author: Jon Smirl <jonsmirl@gmail.com> 6 * Author: Jon Smirl <jonsmirl@gmail.com> 7 * 7 * 8 * This file is licensed under the terms of th 8 * This file is licensed under the terms of the GNU General Public License 9 * version 2. This program is licensed "as is" 9 * version 2. This program is licensed "as is" without any warranty of any 10 * kind, whether express or implied. 10 * kind, whether express or implied. 11 */ 11 */ 12 12 13 #include <linux/init.h> 13 #include <linux/init.h> 14 #include <linux/module.h> 14 #include <linux/module.h> 15 #include <linux/interrupt.h> 15 #include <linux/interrupt.h> 16 #include <linux/device.h> 16 #include <linux/device.h> 17 #include <linux/delay.h> 17 #include <linux/delay.h> 18 #include <linux/of.h> !! 18 #include <linux/of_device.h> 19 #include <linux/platform_device.h> !! 19 #include <linux/of_platform.h> 20 #include <linux/dma-mapping.h> 20 #include <linux/dma-mapping.h> 21 21 22 #include <sound/core.h> 22 #include <sound/core.h> 23 #include <sound/pcm.h> 23 #include <sound/pcm.h> 24 #include <sound/pcm_params.h> 24 #include <sound/pcm_params.h> 25 #include <sound/initval.h> 25 #include <sound/initval.h> 26 #include <sound/soc.h> 26 #include <sound/soc.h> 27 27 28 #include "mpc5200_dma.h" 28 #include "mpc5200_dma.h" >> 29 #include "mpc5200_psc_ac97.h" 29 30 30 #define DRV_NAME "efika-audio-fabric" 31 #define DRV_NAME "efika-audio-fabric" 31 32 32 SND_SOC_DAILINK_DEFS(analog, << 33 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-p << 34 DAILINK_COMP_ARRAY(COMP_CODEC("stac976 << 35 "stac976 << 36 DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5 << 37 << 38 SND_SOC_DAILINK_DEFS(iec958, << 39 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-p << 40 DAILINK_COMP_ARRAY(COMP_CODEC("stac976 << 41 "stac976 << 42 DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5 << 43 << 44 static struct snd_soc_dai_link efika_fabric_da 33 static struct snd_soc_dai_link efika_fabric_dai[] = { 45 { 34 { 46 .name = "AC97", 35 .name = "AC97", 47 .stream_name = "AC97 Analog", 36 .stream_name = "AC97 Analog", 48 SND_SOC_DAILINK_REG(analog), !! 37 .codec_dai_name = "stac9766-hifi-analog", >> 38 .cpu_dai_name = "mpc5200-psc-ac97.0", >> 39 .platform_name = "mpc5200-pcm-audio", >> 40 .codec_name = "stac9766-codec", 49 }, 41 }, 50 { 42 { 51 .name = "AC97", 43 .name = "AC97", 52 .stream_name = "AC97 IEC958", 44 .stream_name = "AC97 IEC958", 53 SND_SOC_DAILINK_REG(iec958), !! 45 .codec_dai_name = "stac9766-hifi-IEC958", >> 46 .cpu_dai_name = "mpc5200-psc-ac97.1", >> 47 .platform_name = "mpc5200-pcm-audio", >> 48 .codec_name = "stac9766-codec", 54 }, 49 }, 55 }; 50 }; 56 51 57 static struct snd_soc_card card = { 52 static struct snd_soc_card card = { 58 .name = "Efika", 53 .name = "Efika", 59 .owner = THIS_MODULE, 54 .owner = THIS_MODULE, 60 .dai_link = efika_fabric_dai, 55 .dai_link = efika_fabric_dai, 61 .num_links = ARRAY_SIZE(efika_fabric_d 56 .num_links = ARRAY_SIZE(efika_fabric_dai), 62 }; 57 }; 63 58 64 static __init int efika_fabric_init(void) 59 static __init int efika_fabric_init(void) 65 { 60 { 66 struct platform_device *pdev; 61 struct platform_device *pdev; 67 int rc; 62 int rc; 68 63 69 if (!of_machine_is_compatible("bplan,e 64 if (!of_machine_is_compatible("bplan,efika")) 70 return -ENODEV; 65 return -ENODEV; 71 66 72 pdev = platform_device_alloc("soc-audi 67 pdev = platform_device_alloc("soc-audio", 1); 73 if (!pdev) { 68 if (!pdev) { 74 pr_err("efika_fabric_init: pla 69 pr_err("efika_fabric_init: platform_device_alloc() failed\n"); 75 return -ENODEV; 70 return -ENODEV; 76 } 71 } 77 72 78 platform_set_drvdata(pdev, &card); 73 platform_set_drvdata(pdev, &card); 79 74 80 rc = platform_device_add(pdev); 75 rc = platform_device_add(pdev); 81 if (rc) { 76 if (rc) { 82 pr_err("efika_fabric_init: pla 77 pr_err("efika_fabric_init: platform_device_add() failed\n"); 83 platform_device_put(pdev); 78 platform_device_put(pdev); 84 return -ENODEV; 79 return -ENODEV; 85 } 80 } 86 return 0; 81 return 0; 87 } 82 } 88 83 89 module_init(efika_fabric_init); 84 module_init(efika_fabric_init); 90 85 91 86 92 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>" 87 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); 93 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika f 88 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver"); 94 MODULE_LICENSE("GPL"); 89 MODULE_LICENSE("GPL"); 95 90 96 91
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