// SPDX-License-Identifier: GPL-2.0+ // // phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode // // Copyright 2009 Sascha Hauer, Pengutronix #include #include #include #include #include #include #include #include #include "imx-audmux.h" static struct snd_soc_card imx_phycore; static const struct snd_soc_ops imx_phycore_hifi_ops = { }; SND_SOC_DAILINK_DEFS(hifi, DAILINK_COMP_ARRAY(COMP_CPU("imx-ssi.0")), DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")), DAILINK_COMP_ARRAY(COMP_PLATFORM("imx-ssi.0"))); static struct snd_soc_dai_link imx_phycore_dai_ac97[] = { { .name = "HiFi", .stream_name = "HiFi", .ops = &imx_phycore_hifi_ops, SND_SOC_DAILINK_REG(hifi), }, }; static struct snd_soc_card imx_phycore = { .name = "PhyCORE-ac97-audio", .owner = THIS_MODULE, .dai_link = imx_phycore_dai_ac97, .num_links = ARRAY_SIZE(imx_phycore_dai_ac97), }; static struct platform_device *imx_phycore_snd_ac97_device; static struct platform_device *imx_phycore_snd_device; static int __init imx_phycore_init(void) { int ret; if (machine_is_pca100()) { imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */ IMX_AUDMUX_V1_PCR_TFCSEL(3) | IMX_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */ IMX_AUDMUX_V1_PCR_RXDSEL(3)); imx_audmux_v1_configure_port(3, IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */ IMX_AUDMUX_V1_PCR_TFCSEL(0) | IMX_AUDMUX_V1_PCR_TFSDIR | IMX_AUDMUX_V1_PCR_RXDSEL(0)); } else if (machine_is_pcm043()) { imx_audmux_v2_configure_port(3, IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */ IMX_AUDMUX_V2_PTCR_TFSEL(0) | IMX_AUDMUX_V2_PTCR_TFSDIR, IMX_AUDMUX_V2_PDCR_RXDSEL(0)); imx_audmux_v2_configure_port(0, IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */ IMX_AUDMUX_V2_PTCR_TCSEL(3) | IMX_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */ IMX_AUDMUX_V2_PDCR_RXDSEL(3)); } else { /* return happy. We might run on a totally different machine */ return 0; } imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1); if (!imx_phycore_snd_ac97_device) return -ENOMEM; platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore); ret = platform_device_add(imx_phycore_snd_ac97_device); if (ret) goto fail1; imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1); if (!imx_phycore_snd_device) { ret = -ENOMEM; goto fail2; } ret = platform_device_add(imx_phycore_snd_device); if (ret) { printk(KERN_ERR "ASoC: Platform device allocation failed\n"); goto fail3; } return 0; fail3: platform_device_put(imx_phycore_snd_device); fail2: platform_device_del(imx_phycore_snd_ac97_device); fail1: platform_device_put(imx_phycore_snd_ac97_device); return ret; } static void __exit imx_phycore_exit(void) { platform_device_unregister(imx_phycore_snd_device); platform_device_unregister(imx_phycore_snd_ac97_device); } late_initcall(imx_phycore_init); module_exit(imx_phycore_exit); MODULE_AUTHOR("Sascha Hauer "); MODULE_DESCRIPTION("PhyCORE ALSA SoC driver"); MODULE_LICENSE("GPL");