/* * omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and * twl6040 codec * * Author: Misael Lopez Cruz * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #include #include #include #include #include #include #include #include #include #include #include #include #include "omap-dmic.h" #include "omap-mcpdm.h" #include "omap-pcm.h" #include "../codecs/twl6040.h" static int omap_abe_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; int clk_id, freq; int ret; clk_id = twl6040_get_clk_id(rtd->codec); if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) freq = 38400000; else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL) freq = 32768; else return -EINVAL; /* set the codec mclk */ ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, SND_SOC_CLOCK_IN); if (ret) { printk(KERN_ERR "can't set codec system clock\n"); return ret; } return ret; } static struct snd_soc_ops omap_abe_ops = { .hw_params = omap_abe_hw_params, }; static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; int ret = 0; ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS, 19200000, SND_SOC_CLOCK_IN); if (ret < 0) { printk(KERN_ERR "can't set DMIC cpu system clock\n"); return ret; } ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000, SND_SOC_CLOCK_OUT); if (ret < 0) { printk(KERN_ERR "can't set DMIC output clock\n"); return ret; } return 0; } static struct snd_soc_ops omap_abe_dmic_ops = { .hw_params = omap_abe_dmic_hw_params, }; /* Headset jack */ static struct snd_soc_jack hs_jack; /*Headset jack detection DAPM pins */ static struct snd_soc_jack_pin hs_jack_pins[] = { { .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE, }, { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, }, }; /* SDP4430 machine DAPM */ static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { SND_SOC_DAPM_MIC("Ext Mic", NULL), SND_SOC_DAPM_SPK("Ext Spk", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_HP("Headset Stereophone", NULL), SND_SOC_DAPM_SPK("Earphone Spk", NULL), SND_SOC_DAPM_INPUT("FM Stereo In"), }; static const struct snd_soc_dapm_route audio_map[] = { /* External Mics: MAINMIC, SUBMIC with bias*/ {"MAINMIC", NULL, "Main Mic Bias"}, {"SUBMIC", NULL, "Main Mic Bias"}, {"Main Mic Bias", NULL, "Ext Mic"}, /* External Speakers: HFL, HFR */ {"Ext Spk", NULL, "HFL"}, {"Ext Spk", NULL, "HFR"}, /* Headset Mic: HSMIC with bias */ {"HSMIC", NULL, "Headset Mic Bias"}, {"Headset Mic Bias", NULL, "Headset Mic"}, /* Headset Stereophone (Headphone): HSOL, HSOR */ {"Headset Stereophone", NULL, "HSOL"}, {"Headset Stereophone", NULL, "HSOR"}, /* Earphone speaker */ {"Earphone Spk", NULL, "EP"}, /* Aux/FM Stereo In: AFML, AFMR */ {"AFML", NULL, "FM Stereo In"}, {"AFMR", NULL, "FM Stereo In"}, }; static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; int ret, hs_trim; /* * Configure McPDM offset cancellation based on the HSOTRIM value from * twl6040. */ hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM); omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim), TWL6040_HSF_TRIM_RIGHT(hs_trim)); /* Headset jack detection */ ret = snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET, &hs_jack); if (ret) return ret; ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), hs_jack_pins); if (machine_is_omap_4430sdp()) twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET); else snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET); return ret; } static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = { SND_SOC_DAPM_MIC("Digital Mic", NULL), }; static const struct snd_soc_dapm_route dmic_audio_map[] = { {"DMic", NULL, "Digital Mic1 Bias"}, {"Digital Mic1 Bias", NULL, "Digital Mic"}, }; static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = &codec->dapm; int ret; ret = snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets, ARRAY_SIZE(dmic_dapm_widgets)); if (ret) return ret; return snd_soc_dapm_add_routes(dapm, dmic_audio_map, ARRAY_SIZE(dmic_audio_map)); } /* Digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link sdp4430_dai[] = { { .name = "TWL6040", .stream_name = "TWL6040", .cpu_dai_name = "omap-mcpdm", .codec_dai_name = "twl6040-legacy", .platform_name = "omap-pcm-audio", .codec_name = "twl6040-codec", .init = omap_abe_twl6040_init, .ops = &omap_abe_ops, }, { .name = "DMIC", .stream_name = "DMIC Capture", .cpu_dai_name = "omap-dmic", .codec_dai_name = "dmic-hifi", .platform_name = "omap-pcm-audio", .codec_name = "dmic-codec", .init = omap_abe_dmic_init, .ops = &omap_abe_dmic_ops, }, }; /* Audio machine driver */ static struct snd_soc_card omap_abe_card = { .owner = THIS_MODULE, .dai_link = sdp4430_dai, .num_links = ARRAY_SIZE(sdp4430_dai), .dapm_widgets = twl6040_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), .dapm_routes = audio_map, .num_dapm_routes = ARRAY_SIZE(audio_map), }; static __devinit int omap_abe_probe(struct platform_device *pdev) { struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev); struct snd_soc_card *card = &omap_abe_card; int ret; card->dev = &pdev->dev; if (!pdata) { dev_err(&pdev->dev, "Missing pdata\n"); return -ENODEV; } if (pdata->card_name) { card->name = pdata->card_name; } else { dev_err(&pdev->dev, "Card name is not provided\n"); return -ENODEV; } ret = snd_soc_register_card(card); if (ret) dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); return ret; } static int __devexit omap_abe_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); snd_soc_unregister_card(card); return 0; } static struct platform_driver omap_abe_driver = { .driver = { .name = "omap-abe-twl6040", .owner = THIS_MODULE, .pm = &snd_soc_pm_ops, }, .probe = omap_abe_probe, .remove = __devexit_p(omap_abe_remove), }; module_platform_driver(omap_abe_driver); MODULE_AUTHOR("Misael Lopez Cruz "); MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:omap-abe-twl6040");