From e5312cdf7559951ff2fdfa584408bd363fc7bcb3 Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler Date: Mon, 24 Sep 2012 22:57:36 +0200 Subject: asoc: colibri_t30: initial sgtl5000 codec integration Integrate ALSA SoC SGTL5000 codec on Toradex Colibri T30. --- sound/soc/tegra/Kconfig | 12 ++ sound/soc/tegra/Makefile | 2 + sound/soc/tegra/colibri_t30.c | 386 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 400 insertions(+) create mode 100644 sound/soc/tegra/colibri_t30.c (limited to 'sound') diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig index caecd66c199c..21513335eb49 100644 --- a/sound/soc/tegra/Kconfig +++ b/sound/soc/tegra/Kconfig @@ -98,6 +98,18 @@ config SND_SOC_TEGRA_COLIBRI_T20 Say Y or M here if you want to add support for SoC audio on the Toradex Colibri T20 module. +config SND_SOC_TEGRA_COLIBRI_T30 + tristate "SoC Audio support for Colibri T30 module" + depends on I2C && MACH_COLIBRI_T30 && SND_SOC_TEGRA + select SND_SOC_SGTL5000 + select SND_SOC_SPDIF + select SND_SOC_TEGRA30_DAM + select SND_SOC_TEGRA30_I2S + select SND_SOC_TEGRA30_SPDIF + help + Say Y or M here if you want to add support for SoC audio on the + Toradex Colibri T30 module. + config SND_SOC_TEGRA_TRIMSLICE tristate "SoC Audio support for TrimSlice board" depends on SND_SOC_TEGRA && MACH_TRIMSLICE && I2C diff --git a/sound/soc/tegra/Makefile b/sound/soc/tegra/Makefile index 079a28ccbe99..d3d549a907a4 100644 --- a/sound/soc/tegra/Makefile +++ b/sound/soc/tegra/Makefile @@ -30,6 +30,7 @@ obj-$(CONFIG_SND_SOC_TEGRA30_SPDIF) += snd-soc-tegra30-spdif.o # Tegra machine Support snd-soc-tegra-wm8903-objs := tegra_wm8903.o snd-soc-tegra-colibri_t20-objs := colibri_t20.o +snd-soc-tegra-colibri_t30-objs := colibri_t30.o snd-soc-tegra-trimslice-objs := trimslice.o snd-soc-tegra-wm8753-objs := tegra_wm8753.o snd-soc-tegra-max98088-objs := tegra_max98088.o @@ -40,6 +41,7 @@ snd-soc-tegra-p1852-objs := tegra_p1852.o obj-$(CONFIG_SND_SOC_TEGRA_WM8903) += snd-soc-tegra-wm8903.o obj-$(CONFIG_SND_SOC_TEGRA_COLIBRI_T20) += snd-soc-tegra-colibri_t20.o +obj-$(CONFIG_SND_SOC_TEGRA_COLIBRI_T30) += snd-soc-tegra-colibri_t30.o obj-$(CONFIG_SND_SOC_TEGRA_TRIMSLICE) += snd-soc-tegra-trimslice.o obj-$(CONFIG_SND_SOC_TEGRA_WM8753) += snd-soc-tegra-wm8753.o obj-$(CONFIG_SND_SOC_TEGRA_MAX98088) += snd-soc-tegra-max98088.o diff --git a/sound/soc/tegra/colibri_t30.c b/sound/soc/tegra/colibri_t30.c new file mode 100644 index 000000000000..c4a63357cb8c --- /dev/null +++ b/sound/soc/tegra/colibri_t30.c @@ -0,0 +1,386 @@ +/* + * SoC audio driver for Toradex Colibri T30 + * + * Copyright (C) 2012 Toradex Inc. + * + * 2012-02-12: Marcel Ziswiler + * initial version + * + * Copied from tegra_wm8903.c + * Copyright (C) 2010-2011 - NVIDIA, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include + +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "../codecs/sgtl5000.h" + +#include "tegra_pcm.h" +#include "tegra_asoc_utils.h" + +#define DRV_NAME "tegra-snd-colibri_t30-sgtl5000" + +struct colibri_t30_sgtl5000 { + struct tegra_asoc_utils_data util_data; + enum snd_soc_bias_level bias_level; +}; + +static int colibri_t30_sgtl5000_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_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_card *card = codec->card; + struct colibri_t30_sgtl5000 *machine = snd_soc_card_get_drvdata(card); + int srate, mclk, i2s_daifmt; + int err; + struct clk *clk_m; + int rate; + + /* sgtl5000 does not support 512*rate when in 96000 fs */ + srate = params_rate(params); + switch (srate) { + case 96000: + mclk = 256 * srate; + break; + default: + mclk = 512 * srate; + break; + } + + /* Sgtl5000 sysclk should be >= 8MHz and <= 27M */ + if (mclk < 8000000 || mclk > 27000000) + return -EINVAL; + + clk_m = clk_get_sys(NULL, "clk_m"); + if (IS_ERR(clk_m)) { + dev_err(card->dev, "Can't retrieve clk clk_m\n"); + err = PTR_ERR(clk_m); + return err; + } + rate = clk_get_rate(clk_m); + printk("extern1 rate=%d\n", rate); + +#if TEGRA30_I2S_MASTER_PLAYBACK + /* FIXME: Codec only requires >= 3MHz if OSR==0 */ + while (mclk < 6000000) + mclk *= 2; + + i2s_daifmt = SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS; +#else + mclk = rate; + + i2s_daifmt = SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM; +#endif + + err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); + if (err < 0) { + if (!(machine->util_data.set_mclk % mclk)) + mclk = machine->util_data.set_mclk; + else { + dev_err(card->dev, "Can't configure clocks\n"); + return err; + } + } + + tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1); + + /* Use DSP mode for mono on Tegra20 */ + if ((params_channels(params) != 2) && + (machine_is_ventana() || machine_is_harmony() || + machine_is_kaen() || machine_is_aebl())) + i2s_daifmt |= SND_SOC_DAIFMT_DSP_A; + else + i2s_daifmt |= SND_SOC_DAIFMT_I2S; + + err = snd_soc_dai_set_fmt(codec_dai, i2s_daifmt); + if (err < 0) { + dev_err(card->dev, "codec_dai fmt not set\n"); + return err; + } + + err = snd_soc_dai_set_fmt(cpu_dai, i2s_daifmt); + if (err < 0) { + dev_err(card->dev, "cpu_dai fmt not set\n"); + return err; + } + + /* Set SGTL5000's SYSCLK (provided by clk_out_1) */ + err = snd_soc_dai_set_sysclk(codec_dai, SGTL5000_SYSCLK, mclk, SND_SOC_CLOCK_IN); + if (err < 0) { + pr_err("codec_dai clock not set\n"); + return err; + } + + return 0; +} + +static int tegra_spdif_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_card *card = rtd->card; + struct colibri_t30_sgtl5000 *machine = snd_soc_card_get_drvdata(card); + int srate, mclk, min_mclk; + int err; + + srate = params_rate(params); + switch (srate) { + case 11025: + case 22050: + case 44100: + case 88200: + mclk = 11289600; + break; + case 8000: + case 16000: + case 32000: + case 48000: + case 64000: + case 96000: + mclk = 12288000; + break; + default: + return -EINVAL; + } + min_mclk = 128 * srate; + + err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); + if (err < 0) { + if (!(machine->util_data.set_mclk % min_mclk)) + mclk = machine->util_data.set_mclk; + else { + dev_err(card->dev, "Can't configure clocks\n"); + return err; + } + } + + tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1); + + return 0; +} + +static int tegra_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct colibri_t30_sgtl5000 *machine = snd_soc_card_get_drvdata(rtd->card); + + tegra_asoc_utils_lock_clk_rate(&machine->util_data, 0); + + return 0; +} + +static struct snd_soc_ops colibri_t30_sgtl5000_ops = { + .hw_params = colibri_t30_sgtl5000_hw_params, + .hw_free = tegra_hw_free, +}; + +static struct snd_soc_ops tegra_spdif_ops = { + .hw_params = tegra_spdif_hw_params, + .hw_free = tegra_hw_free, +}; + +/* Colibri T30 machine DAPM widgets */ +static const struct snd_soc_dapm_widget colibri_t30_sgtl5000_dapm_widgets[] = { + SND_SOC_DAPM_HP("HEADPHONE", NULL), + SND_SOC_DAPM_LINE("LINEIN", NULL), + SND_SOC_DAPM_MIC("MIC_IN", NULL), +}; + +/* Colibri T30 machine audio map (connections to the codec pins) */ +static const struct snd_soc_dapm_route colibri_t30_sgtl5000_dapm_route[] = { + /* Colibri SODIMM pin 1 (MIC_IN) + Colibri Evaluation Board: Audio jack X26 bottom pink + Iris: Audio header X9 pin 2 + Orchid: Audio jack X11 bottom pink MIC in */ +//mic bias GPIO handling +// [ 9.359733] tegra-snd-colibri_t30-sgtl5000 tegra-snd-colibri_t30-sgtl5000.0: Failed to add route MICIN->MIC_IN +// { "MIC_IN", NULL, "MIC_IN" }, + + /* Colibri SODIMM pin 5 & 7 (LINEIN_L/R) + Colibri Evaluation Board: Audio jack X26 top blue + Iris: Audio header X9 pin 4 & 3 + MECS Tellurium: Audio jack X11 pin 1 & 2 + Orchid: Audio jack X11 top blue line in */ + { "LINEIN", NULL, "LINE_IN" }, + + /* Colibri SODIMM pin 15 & 17 (HEADPHONE_L/R) + Colibri Evaluation Board: Audio jack X26 middle green + Iris: Audio jack X8 + MECS Tellurium: Audio jack X11 pin 4 & 5 (HEADPHONE_LF/RF) + Orchid: Audio jack X11 middle green line out + Protea: Audio jack X53 line out */ +//HP PGA handling + { "HEADPHONE", NULL, "HP_OUT" }, +}; + +static int colibri_t30_sgtl5000_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + struct snd_soc_card *card = codec->card; + struct colibri_t30_sgtl5000 *machine = snd_soc_card_get_drvdata(card); + int ret; + + machine->bias_level = SND_SOC_BIAS_STANDBY; + + ret = tegra_asoc_utils_register_ctls(&machine->util_data); + if (ret < 0) + return ret; + + snd_soc_dapm_nc_pin(dapm, "LINE_OUT"); + + snd_soc_dapm_sync(dapm); + + return 0; +} + +static struct snd_soc_dai_link colibri_t30_sgtl5000_dai[] = { + { + .name = "SGTL5000", + .stream_name = "SGTL5000 PCM", + .codec_name = "sgtl5000.4-000a", + .platform_name = "tegra-pcm-audio", + .cpu_dai_name = "tegra30-i2s.2", + .codec_dai_name = "sgtl5000", + .init = colibri_t30_sgtl5000_init, + .ops = &colibri_t30_sgtl5000_ops, + }, + { + .name = "SPDIF", + .stream_name = "SPDIF PCM", + .codec_name = "spdif-dit.0", + .platform_name = "tegra-pcm-audio", + .cpu_dai_name = "tegra30-spdif", + .codec_dai_name = "dit-hifi", + .ops = &tegra_spdif_ops, + }, +}; + +static struct snd_soc_card snd_soc_colibri_t30_sgtl5000 = { + .name = "colibri_t30-sgtl5000", + .dai_link = colibri_t30_sgtl5000_dai, + .num_links = ARRAY_SIZE(colibri_t30_sgtl5000_dai), +// .set_bias_level +// .set_bias_level_post +}; + +static __devinit int colibri_t30_sgtl5000_driver_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &snd_soc_colibri_t30_sgtl5000; + struct colibri_t30_sgtl5000 *machine; + int ret; + + machine = kzalloc(sizeof(struct colibri_t30_sgtl5000), GFP_KERNEL); + if (!machine) { + dev_err(&pdev->dev, "Can't allocate colibri_t30_sgtl5000 struct\n"); + return -ENOMEM; + } + + ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev, card); + if (ret) + goto err_free_machine; + + card->dev = &pdev->dev; + platform_set_drvdata(pdev, card); + snd_soc_card_set_drvdata(card, machine); + + card->dapm_widgets = colibri_t30_sgtl5000_dapm_widgets; + card->num_dapm_widgets = ARRAY_SIZE(colibri_t30_sgtl5000_dapm_widgets); + + card->dapm_routes = colibri_t30_sgtl5000_dapm_route; + card->num_dapm_routes = ARRAY_SIZE(colibri_t30_sgtl5000_dapm_route); + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", + ret); + goto err_fini_utils; + } + + if (!card->instantiated) { + ret = -ENODEV; + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", + ret); + goto err_unregister_card; + } + + return 0; + +err_unregister_card: + snd_soc_unregister_card(card); +err_fini_utils: + tegra_asoc_utils_fini(&machine->util_data); +err_free_machine: + kfree(machine); + return ret; +} + +static int __devexit colibri_t30_sgtl5000_driver_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + struct colibri_t30_sgtl5000 *machine = snd_soc_card_get_drvdata(card); + + snd_soc_unregister_card(card); + + tegra_asoc_utils_fini(&machine->util_data); + + kfree(machine); + + return 0; +} + +static struct platform_driver colibri_t30_sgtl5000_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + }, + .probe = colibri_t30_sgtl5000_driver_probe, + .remove = __devexit_p(colibri_t30_sgtl5000_driver_remove), +}; + +static int __init colibri_t30_sgtl5000_modinit(void) +{ + return platform_driver_register(&colibri_t30_sgtl5000_driver); +} +module_init(colibri_t30_sgtl5000_modinit); + +static void __exit colibri_t30_sgtl5000_modexit(void) +{ + platform_driver_unregister(&colibri_t30_sgtl5000_driver); +} +module_exit(colibri_t30_sgtl5000_modexit); + +/* Module information */ +MODULE_AUTHOR("Marcel Ziswiler "); +MODULE_DESCRIPTION("ALSA SoC SGTL5000 on Toradex Colibri T30"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); -- cgit v1.2.3