Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  * Efika driver for the PSC of the Freescale MPC52xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * configured as AC97 interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2008 Jon Smirl, Digispeaker
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Author: Jon Smirl <jonsmirl@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * This file is licensed under the terms of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * version 2. This program is licensed "as is" without any warranty of any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * kind, whether express or implied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <sound/pcm_params.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <sound/initval.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include "mpc5200_dma.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define DRV_NAME "efika-audio-fabric"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) SND_SOC_DAILINK_DEFS(analog,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 				      "stac9766-hifi-analog")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) SND_SOC_DAILINK_DEFS(iec958,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 				      "stac9766-hifi-IEC958")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static struct snd_soc_dai_link efika_fabric_dai[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	.name = "AC97",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	.stream_name = "AC97 Analog",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	SND_SOC_DAILINK_REG(analog),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	.name = "AC97",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	.stream_name = "AC97 IEC958",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	SND_SOC_DAILINK_REG(iec958),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static struct snd_soc_card card = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	.name = "Efika",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	.dai_link = efika_fabric_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	.num_links = ARRAY_SIZE(efika_fabric_dai),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static __init int efika_fabric_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	if (!of_machine_is_compatible("bplan,efika"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 	pdev = platform_device_alloc("soc-audio", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	if (!pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 		pr_err("efika_fabric_init: platform_device_alloc() failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 	platform_set_drvdata(pdev, &card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 	rc = platform_device_add(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 	if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 		pr_err("efika_fabric_init: platform_device_add() failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 		platform_device_put(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) module_init(efika_fabric_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)