diff options
Diffstat (limited to 'sound/soc/davinci/davinci-evm.c')
| -rw-r--r-- | sound/soc/davinci/davinci-evm.c | 511 |
1 files changed, 0 insertions, 511 deletions
diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c deleted file mode 100644 index 7a369e0f2093..000000000000 --- a/sound/soc/davinci/davinci-evm.c +++ /dev/null @@ -1,511 +0,0 @@ -/* - * ASoC driver for TI DAVINCI EVM platform - * - * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> - * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.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. - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <linux/of_platform.h> -#include <linux/clk.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> - -#include <asm/dma.h> -#include <asm/mach-types.h> - -struct snd_soc_card_drvdata_davinci { - struct clk *mclk; - unsigned sysclk; -}; - -static int evm_startup(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_card *soc_card = rtd->card; - struct snd_soc_card_drvdata_davinci *drvdata = - snd_soc_card_get_drvdata(soc_card); - - if (drvdata->mclk) - return clk_prepare_enable(drvdata->mclk); - - return 0; -} - -static void evm_shutdown(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_card *soc_card = rtd->card; - struct snd_soc_card_drvdata_davinci *drvdata = - snd_soc_card_get_drvdata(soc_card); - - if (drvdata->mclk) - clk_disable_unprepare(drvdata->mclk); -} - -static int evm_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_card *soc_card = rtd->card; - int ret = 0; - unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *) - snd_soc_card_get_drvdata(soc_card))->sysclk; - - /* set the codec system clock */ - ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT); - if (ret < 0) - return ret; - - /* set the CPU system clock */ - ret = snd_soc_dai_set_sysclk(cpu_dai, 0, sysclk, SND_SOC_CLOCK_OUT); - if (ret < 0) - return ret; - - return 0; -} - -static struct snd_soc_ops evm_ops = { - .startup = evm_startup, - .shutdown = evm_shutdown, - .hw_params = evm_hw_params, -}; - -/* davinci-evm machine dapm widgets */ -static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_LINE("Line Out", NULL), - SND_SOC_DAPM_MIC("Mic Jack", NULL), - SND_SOC_DAPM_LINE("Line In", NULL), -}; - -/* davinci-evm machine audio_mapnections to the codec pins */ -static const struct snd_soc_dapm_route audio_map[] = { - /* Headphone connected to HPLOUT, HPROUT */ - {"Headphone Jack", NULL, "HPLOUT"}, - {"Headphone Jack", NULL, "HPROUT"}, - - /* Line Out connected to LLOUT, RLOUT */ - {"Line Out", NULL, "LLOUT"}, - {"Line Out", NULL, "RLOUT"}, - - /* Mic connected to (MIC3L | MIC3R) */ - {"MIC3L", NULL, "Mic Bias"}, - {"MIC3R", NULL, "Mic Bias"}, - {"Mic Bias", NULL, "Mic Jack"}, - - /* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */ - {"LINE1L", NULL, "Line In"}, - {"LINE2L", NULL, "Line In"}, - {"LINE1R", NULL, "Line In"}, - {"LINE2R", NULL, "Line In"}, -}; - -/* Logic for a aic3x as connected on a davinci-evm */ -static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_card *card = rtd->card; - struct device_node *np = card->dev->of_node; - int ret; - - /* Add davinci-evm specific widgets */ - snd_soc_dapm_new_controls(&card->dapm, aic3x_dapm_widgets, - ARRAY_SIZE(aic3x_dapm_widgets)); - - if (np) { - ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing"); - if (ret) - return ret; - } else { - /* Set up davinci-evm specific audio path audio_map */ - snd_soc_dapm_add_routes(&card->dapm, audio_map, - ARRAY_SIZE(audio_map)); - } - - /* not connected */ - snd_soc_dapm_nc_pin(&card->dapm, "MONO_LOUT"); - snd_soc_dapm_nc_pin(&card->dapm, "HPLCOM"); - snd_soc_dapm_nc_pin(&card->dapm, "HPRCOM"); - - return 0; -} - -/* davinci-evm digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link dm6446_evm_dai = { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name = "davinci-mcbsp", - .codec_dai_name = "tlv320aic3x-hifi", - .codec_name = "tlv320aic3x-codec.1-001b", - .platform_name = "davinci-mcbsp", - .init = evm_aic3x_init, - .ops = &evm_ops, - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | - SND_SOC_DAIFMT_IB_NF, -}; - -static struct snd_soc_dai_link dm355_evm_dai = { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name = "davinci-mcbsp.1", - .codec_dai_name = "tlv320aic3x-hifi", - .codec_name = "tlv320aic3x-codec.1-001b", - .platform_name = "davinci-mcbsp.1", - .init = evm_aic3x_init, - .ops = &evm_ops, - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | - SND_SOC_DAIFMT_IB_NF, -}; - -static struct snd_soc_dai_link dm365_evm_dai = { -#ifdef CONFIG_SND_DM365_AIC3X_CODEC - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name = "davinci-mcbsp", - .codec_dai_name = "tlv320aic3x-hifi", - .codec_name = "tlv320aic3x-codec.1-0018", - .platform_name = "davinci-mcbsp", - .init = evm_aic3x_init, - .ops = &evm_ops, - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | - SND_SOC_DAIFMT_IB_NF, -#elif defined(CONFIG_SND_DM365_VOICE_CODEC) - .name = "Voice Codec - CQ93VC", - .stream_name = "CQ93", - .cpu_dai_name = "davinci-vcif", - .codec_dai_name = "cq93vc-hifi", - .codec_name = "cq93vc-codec", - .platform_name = "davinci-vcif", -#endif -}; - -static struct snd_soc_dai_link dm6467_evm_dai[] = { - { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name= "davinci-mcasp.0", - .codec_dai_name = "tlv320aic3x-hifi", - .platform_name = "davinci-mcasp.0", - .codec_name = "tlv320aic3x-codec.0-001a", - .init = evm_aic3x_init, - .ops = &evm_ops, - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | - SND_SOC_DAIFMT_IB_NF, - }, - { - .name = "McASP", - .stream_name = "spdif", - .cpu_dai_name= "davinci-mcasp.1", - .codec_dai_name = "dit-hifi", - .codec_name = "spdif_dit", - .platform_name = "davinci-mcasp.1", - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | - SND_SOC_DAIFMT_IB_NF, - }, -}; - -static struct snd_soc_dai_link da830_evm_dai = { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name = "davinci-mcasp.1", - .codec_dai_name = "tlv320aic3x-hifi", - .codec_name = "tlv320aic3x-codec.1-0018", - .platform_name = "davinci-mcasp.1", - .init = evm_aic3x_init, - .ops = &evm_ops, - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | - SND_SOC_DAIFMT_IB_NF, -}; - -static struct snd_soc_dai_link da850_evm_dai = { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name= "davinci-mcasp.0", - .codec_dai_name = "tlv320aic3x-hifi", - .codec_name = "tlv320aic3x-codec.1-0018", - .platform_name = "davinci-mcasp.0", - .init = evm_aic3x_init, - .ops = &evm_ops, - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | - SND_SOC_DAIFMT_IB_NF, -}; - -/* davinci dm6446 evm audio machine driver */ -/* - * ASP0 in DM6446 EVM is clocked by U55, as configured by - * board-dm644x-evm.c using GPIOs from U18. There are six - * options; here we "know" we use a 48 KHz sample rate. - */ -static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = { - .sysclk = 12288000, -}; - -static struct snd_soc_card dm6446_snd_soc_card_evm = { - .name = "DaVinci DM6446 EVM", - .owner = THIS_MODULE, - .dai_link = &dm6446_evm_dai, - .num_links = 1, - .drvdata = &dm6446_snd_soc_card_drvdata, -}; - -/* davinci dm355 evm audio machine driver */ -/* ASP1 on DM355 EVM is clocked by an external oscillator */ -static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = { - .sysclk = 27000000, -}; - -static struct snd_soc_card dm355_snd_soc_card_evm = { - .name = "DaVinci DM355 EVM", - .owner = THIS_MODULE, - .dai_link = &dm355_evm_dai, - .num_links = 1, - .drvdata = &dm355_snd_soc_card_drvdata, -}; - -/* davinci dm365 evm audio machine driver */ -static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = { - .sysclk = 27000000, -}; - -static struct snd_soc_card dm365_snd_soc_card_evm = { - .name = "DaVinci DM365 EVM", - .owner = THIS_MODULE, - .dai_link = &dm365_evm_dai, - .num_links = 1, - .drvdata = &dm365_snd_soc_card_drvdata, -}; - -/* davinci dm6467 evm audio machine driver */ -static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = { - .sysclk = 27000000, -}; - -static struct snd_soc_card dm6467_snd_soc_card_evm = { - .name = "DaVinci DM6467 EVM", - .owner = THIS_MODULE, - .dai_link = dm6467_evm_dai, - .num_links = ARRAY_SIZE(dm6467_evm_dai), - .drvdata = &dm6467_snd_soc_card_drvdata, -}; - -static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = { - .sysclk = 24576000, -}; - -static struct snd_soc_card da830_snd_soc_card = { - .name = "DA830/OMAP-L137 EVM", - .owner = THIS_MODULE, - .dai_link = &da830_evm_dai, - .num_links = 1, - .drvdata = &da830_snd_soc_card_drvdata, -}; - -static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = { - .sysclk = 24576000, -}; - -static struct snd_soc_card da850_snd_soc_card = { - .name = "DA850/OMAP-L138 EVM", - .owner = THIS_MODULE, - .dai_link = &da850_evm_dai, - .num_links = 1, - .drvdata = &da850_snd_soc_card_drvdata, -}; - -#if defined(CONFIG_OF) - -/* - * The struct is used as place holder. It will be completely - * filled with data from dt node. - */ -static struct snd_soc_dai_link evm_dai_tlv320aic3x = { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .codec_dai_name = "tlv320aic3x-hifi", - .ops = &evm_ops, - .init = evm_aic3x_init, - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM | - SND_SOC_DAIFMT_IB_NF, -}; - -static const struct of_device_id davinci_evm_dt_ids[] = { - { - .compatible = "ti,da830-evm-audio", - .data = (void *) &evm_dai_tlv320aic3x, - }, - { /* sentinel */ } -}; -MODULE_DEVICE_TABLE(of, davinci_evm_dt_ids); - -/* davinci evm audio machine driver */ -static struct snd_soc_card evm_soc_card = { - .owner = THIS_MODULE, - .num_links = 1, -}; - -static int davinci_evm_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - const struct of_device_id *match; - struct snd_soc_dai_link *dai; - struct snd_soc_card_drvdata_davinci *drvdata = NULL; - struct clk *mclk; - int ret = 0; - - match = of_match_device(of_match_ptr(davinci_evm_dt_ids), &pdev->dev); - if (!match) { - dev_err(&pdev->dev, "Error: No device match found\n"); - return -ENODEV; - } - - dai = (struct snd_soc_dai_link *) match->data; - - evm_soc_card.dai_link = dai; - - dai->codec_of_node = of_parse_phandle(np, "ti,audio-codec", 0); - if (!dai->codec_of_node) - return -EINVAL; - - dai->cpu_of_node = of_parse_phandle(np, "ti,mcasp-controller", 0); - if (!dai->cpu_of_node) - return -EINVAL; - - dai->platform_of_node = dai->cpu_of_node; - - evm_soc_card.dev = &pdev->dev; - ret = snd_soc_of_parse_card_name(&evm_soc_card, "ti,model"); - if (ret) - return ret; - - mclk = devm_clk_get(&pdev->dev, "mclk"); - if (PTR_ERR(mclk) == -EPROBE_DEFER) { - return -EPROBE_DEFER; - } else if (IS_ERR(mclk)) { - dev_dbg(&pdev->dev, "mclk not found.\n"); - mclk = NULL; - } - - drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL); - if (!drvdata) - return -ENOMEM; - - drvdata->mclk = mclk; - - ret = of_property_read_u32(np, "ti,codec-clock-rate", &drvdata->sysclk); - - if (ret < 0) { - if (!drvdata->mclk) { - dev_err(&pdev->dev, - "No clock or clock rate defined.\n"); - return -EINVAL; - } - drvdata->sysclk = clk_get_rate(drvdata->mclk); - } else if (drvdata->mclk) { - unsigned int requestd_rate = drvdata->sysclk; - clk_set_rate(drvdata->mclk, drvdata->sysclk); - drvdata->sysclk = clk_get_rate(drvdata->mclk); - if (drvdata->sysclk != requestd_rate) - dev_warn(&pdev->dev, - "Could not get requested rate %u using %u.\n", - requestd_rate, drvdata->sysclk); - } - - snd_soc_card_set_drvdata(&evm_soc_card, drvdata); - ret = devm_snd_soc_register_card(&pdev->dev, &evm_soc_card); - - if (ret) - dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); - - return ret; -} - -static struct platform_driver davinci_evm_driver = { - .probe = davinci_evm_probe, - .driver = { - .name = "davinci_evm", - .pm = &snd_soc_pm_ops, - .of_match_table = of_match_ptr(davinci_evm_dt_ids), - }, -}; -#endif - -static struct platform_device *evm_snd_device; - -static int __init evm_init(void) -{ - struct snd_soc_card *evm_snd_dev_data; - int index; - int ret; - - /* - * If dtb is there, the devices will be created dynamically. - * Only register platfrom driver structure. - */ -#if defined(CONFIG_OF) - if (of_have_populated_dt()) - return platform_driver_register(&davinci_evm_driver); -#endif - - if (machine_is_davinci_evm()) { - evm_snd_dev_data = &dm6446_snd_soc_card_evm; - index = 0; - } else if (machine_is_davinci_dm355_evm()) { - evm_snd_dev_data = &dm355_snd_soc_card_evm; - index = 1; - } else if (machine_is_davinci_dm365_evm()) { - evm_snd_dev_data = &dm365_snd_soc_card_evm; - index = 0; - } else if (machine_is_davinci_dm6467_evm()) { - evm_snd_dev_data = &dm6467_snd_soc_card_evm; - index = 0; - } else if (machine_is_davinci_da830_evm()) { - evm_snd_dev_data = &da830_snd_soc_card; - index = 1; - } else if (machine_is_davinci_da850_evm()) { - evm_snd_dev_data = &da850_snd_soc_card; - index = 0; - } else - return -EINVAL; - - evm_snd_device = platform_device_alloc("soc-audio", index); - if (!evm_snd_device) - return -ENOMEM; - - platform_set_drvdata(evm_snd_device, evm_snd_dev_data); - ret = platform_device_add(evm_snd_device); - if (ret) - platform_device_put(evm_snd_device); - - return ret; -} - -static void __exit evm_exit(void) -{ -#if defined(CONFIG_OF) - if (of_have_populated_dt()) { - platform_driver_unregister(&davinci_evm_driver); - return; - } -#endif - - platform_device_unregister(evm_snd_device); -} - -module_init(evm_init); -module_exit(evm_exit); - -MODULE_AUTHOR("Vladimir Barinov"); -MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver"); -MODULE_LICENSE("GPL"); |