diff options
Diffstat (limited to 'sound/soc/omap/omap-abe-twl6040.c')
| -rw-r--r-- | sound/soc/omap/omap-abe-twl6040.c | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c deleted file mode 100644 index fed45b41f9d3..000000000000 --- a/sound/soc/omap/omap-abe-twl6040.c +++ /dev/null @@ -1,353 +0,0 @@ -/* - * omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and - * twl6040 codec - * - * Author: Misael Lopez Cruz <misael.lopez@ti.com> - * - * 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 <linux/clk.h> -#include <linux/platform_device.h> -#include <linux/mfd/twl6040.h> -#include <linux/module.h> -#include <linux/of.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> -#include <sound/jack.h> - -#include "omap-dmic.h" -#include "omap-mcpdm.h" -#include "../codecs/twl6040.h" - -struct abe_twl6040 { - struct snd_soc_card card; - struct snd_soc_dai_link dai_links[2]; - int jack_detection; /* board can detect jack events */ - int mclk_freq; /* MCLK frequency speed for twl6040 */ -}; - -static struct platform_device *dmic_codec_dev; - -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; - struct snd_soc_card *card = rtd->card; - struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); - int clk_id, freq; - int ret; - - clk_id = twl6040_get_clk_id(codec_dai->component); - if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) - freq = priv->mclk_freq; - 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 const 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[] = { - /* Outputs */ - SND_SOC_DAPM_HP("Headset Stereophone", NULL), - SND_SOC_DAPM_SPK("Earphone Spk", NULL), - SND_SOC_DAPM_SPK("Ext Spk", NULL), - SND_SOC_DAPM_LINE("Line Out", NULL), - SND_SOC_DAPM_SPK("Vibrator", NULL), - - /* Inputs */ - SND_SOC_DAPM_MIC("Headset Mic", NULL), - SND_SOC_DAPM_MIC("Main Handset Mic", NULL), - SND_SOC_DAPM_MIC("Sub Handset Mic", NULL), - SND_SOC_DAPM_LINE("Line In", NULL), - - /* Digital microphones */ - SND_SOC_DAPM_MIC("Digital Mic", NULL), -}; - -static const struct snd_soc_dapm_route audio_map[] = { - /* Routings for outputs */ - {"Headset Stereophone", NULL, "HSOL"}, - {"Headset Stereophone", NULL, "HSOR"}, - - {"Earphone Spk", NULL, "EP"}, - - {"Ext Spk", NULL, "HFL"}, - {"Ext Spk", NULL, "HFR"}, - - {"Line Out", NULL, "AUXL"}, - {"Line Out", NULL, "AUXR"}, - - {"Vibrator", NULL, "VIBRAL"}, - {"Vibrator", NULL, "VIBRAR"}, - - /* Routings for inputs */ - {"HSMIC", NULL, "Headset Mic"}, - {"Headset Mic", NULL, "Headset Mic Bias"}, - - {"MAINMIC", NULL, "Main Handset Mic"}, - {"Main Handset Mic", NULL, "Main Mic Bias"}, - - {"SUBMIC", NULL, "Sub Handset Mic"}, - {"Sub Handset Mic", NULL, "Main Mic Bias"}, - - {"AFML", NULL, "Line In"}, - {"AFMR", NULL, "Line In"}, -}; - -static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_component *component = rtd->codec_dai->component; - struct snd_soc_card *card = rtd->card; - struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); - int hs_trim; - int ret = 0; - - /* - * Configure McPDM offset cancellation based on the HSOTRIM value from - * twl6040. - */ - hs_trim = twl6040_get_trim_value(component, TWL6040_TRIM_HSOTRIM); - omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim), - TWL6040_HSF_TRIM_RIGHT(hs_trim)); - - /* Headset jack detection only if it is supported */ - if (priv->jack_detection) { - ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", - SND_JACK_HEADSET, &hs_jack, - hs_jack_pins, - ARRAY_SIZE(hs_jack_pins)); - if (ret) - return ret; - - twl6040_hs_jack_detect(component, &hs_jack, SND_JACK_HEADSET); - } - - return 0; -} - -static const struct snd_soc_dapm_route dmic_audio_map[] = { - {"DMic", NULL, "Digital Mic"}, - {"Digital Mic", NULL, "Digital Mic1 Bias"}, -}; - -static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_dapm_context *dapm = &rtd->card->dapm; - - return snd_soc_dapm_add_routes(dapm, dmic_audio_map, - ARRAY_SIZE(dmic_audio_map)); -} - -static int omap_abe_probe(struct platform_device *pdev) -{ - struct device_node *node = pdev->dev.of_node; - struct snd_soc_card *card; - struct device_node *dai_node; - struct abe_twl6040 *priv; - int num_links = 0; - int ret = 0; - - if (!node) { - dev_err(&pdev->dev, "of node is missing.\n"); - return -ENODEV; - } - - priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL); - if (priv == NULL) - return -ENOMEM; - - card = &priv->card; - card->dev = &pdev->dev; - card->owner = THIS_MODULE; - card->dapm_widgets = twl6040_dapm_widgets; - card->num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets); - card->dapm_routes = audio_map; - card->num_dapm_routes = ARRAY_SIZE(audio_map); - - if (snd_soc_of_parse_card_name(card, "ti,model")) { - dev_err(&pdev->dev, "Card name is not provided\n"); - return -ENODEV; - } - - ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing"); - if (ret) { - dev_err(&pdev->dev, "Error while parsing DAPM routing\n"); - return ret; - } - - dai_node = of_parse_phandle(node, "ti,mcpdm", 0); - if (!dai_node) { - dev_err(&pdev->dev, "McPDM node is not provided\n"); - return -EINVAL; - } - - priv->dai_links[0].name = "DMIC"; - priv->dai_links[0].stream_name = "TWL6040"; - priv->dai_links[0].cpu_of_node = dai_node; - priv->dai_links[0].platform_of_node = dai_node; - priv->dai_links[0].codec_dai_name = "twl6040-legacy"; - priv->dai_links[0].codec_name = "twl6040-codec"; - priv->dai_links[0].init = omap_abe_twl6040_init; - priv->dai_links[0].ops = &omap_abe_ops; - - dai_node = of_parse_phandle(node, "ti,dmic", 0); - if (dai_node) { - num_links = 2; - priv->dai_links[1].name = "TWL6040"; - priv->dai_links[1].stream_name = "DMIC Capture"; - priv->dai_links[1].cpu_of_node = dai_node; - priv->dai_links[1].platform_of_node = dai_node; - priv->dai_links[1].codec_dai_name = "dmic-hifi"; - priv->dai_links[1].codec_name = "dmic-codec"; - priv->dai_links[1].init = omap_abe_dmic_init; - priv->dai_links[1].ops = &omap_abe_dmic_ops; - } else { - num_links = 1; - } - - priv->jack_detection = of_property_read_bool(node, "ti,jack-detection"); - of_property_read_u32(node, "ti,mclk-freq", &priv->mclk_freq); - if (!priv->mclk_freq) { - dev_err(&pdev->dev, "MCLK frequency not provided\n"); - return -EINVAL; - } - - card->fully_routed = 1; - - if (!priv->mclk_freq) { - dev_err(&pdev->dev, "MCLK frequency missing\n"); - return -ENODEV; - } - - card->dai_link = priv->dai_links; - card->num_links = num_links; - - snd_soc_card_set_drvdata(card, priv); - - ret = devm_snd_soc_register_card(&pdev->dev, card); - if (ret) - dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n", - ret); - - return ret; -} - -static const struct of_device_id omap_abe_of_match[] = { - {.compatible = "ti,abe-twl6040", }, - { }, -}; -MODULE_DEVICE_TABLE(of, omap_abe_of_match); - -static struct platform_driver omap_abe_driver = { - .driver = { - .name = "omap-abe-twl6040", - .pm = &snd_soc_pm_ops, - .of_match_table = omap_abe_of_match, - }, - .probe = omap_abe_probe, -}; - -static int __init omap_abe_init(void) -{ - int ret; - - dmic_codec_dev = platform_device_register_simple("dmic-codec", -1, NULL, - 0); - if (IS_ERR(dmic_codec_dev)) { - pr_err("%s: dmic-codec device registration failed\n", __func__); - return PTR_ERR(dmic_codec_dev); - } - - ret = platform_driver_register(&omap_abe_driver); - if (ret) { - pr_err("%s: platform driver registration failed\n", __func__); - platform_device_unregister(dmic_codec_dev); - } - - return ret; -} -module_init(omap_abe_init); - -static void __exit omap_abe_exit(void) -{ - platform_driver_unregister(&omap_abe_driver); - platform_device_unregister(dmic_codec_dev); -} -module_exit(omap_abe_exit); - -MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); -MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:omap-abe-twl6040"); |