From: Yi Li yi.li@analog.com
Signed-off-by: Yi Li yi.li@analog.com Signed-off-by: Cliff Cai cliff.cai@analog.com Signed-off-by: Mike Frysinger vapier@gentoo.org --- sound/soc/blackfin/Kconfig | 8 ++ sound/soc/blackfin/Makefile | 2 + sound/soc/blackfin/bf5xx-adav80x.c | 154 ++++++++++++++++++++++++++++++++++++ 3 files changed, 164 insertions(+), 0 deletions(-) create mode 100644 sound/soc/blackfin/bf5xx-adav80x.c
diff --git a/sound/soc/blackfin/Kconfig b/sound/soc/blackfin/Kconfig index 8ef2502..75bbc90 100644 --- a/sound/soc/blackfin/Kconfig +++ b/sound/soc/blackfin/Kconfig @@ -32,6 +32,14 @@ config SND_BFIN_AD73311_SE Enter the GPIO used to control AD73311's SE pin. Acceptable values are 0 to 7
+config SND_BF5XX_SOC_ADAV80X + tristate "SoC ADAV801/3 Audio support" + depends on SND_BF5XX_I2S && (SPI_MASTER || I2C) + select SND_BF5XX_SOC_I2S + select SND_SOC_ADAV80X + help + Say Y if you want to add support for ADAV80X SoC audio. + config SND_BF5XX_TDM tristate "SoC I2S(TDM mode) Audio for the ADI BF5xx chip" depends on (BLACKFIN && SND_SOC) diff --git a/sound/soc/blackfin/Makefile b/sound/soc/blackfin/Makefile index 49af3f3..872dac8 100644 --- a/sound/soc/blackfin/Makefile +++ b/sound/soc/blackfin/Makefile @@ -21,9 +21,11 @@ snd-ad1980-objs := bf5xx-ad1980.o snd-ssm2602-objs := bf5xx-ssm2602.o snd-ad73311-objs := bf5xx-ad73311.o snd-ad193x-objs := bf5xx-ad193x.o +snd-adav80x-objs := bf5xx-adav80x.o
obj-$(CONFIG_SND_BF5XX_SOC_AD1836) += snd-ad1836.o obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o obj-$(CONFIG_SND_BF5XX_SOC_AD193X) += snd-ad193x.o +obj-$(CONFIG_SND_BF5XX_SOC_ADAV80X) += snd-adav80x.o diff --git a/sound/soc/blackfin/bf5xx-adav80x.c b/sound/soc/blackfin/bf5xx-adav80x.c new file mode 100644 index 0000000..720a885 --- /dev/null +++ b/sound/soc/blackfin/bf5xx-adav80x.c @@ -0,0 +1,154 @@ +/* + * File: sound/soc/blackfin/bf5xx-adav80x.c + * Author: Yi Li yi.li@analog.com + * + * Created: Tue June 06 2010 + * Description: board driver for ADAV80X sound chip + * + * Modified: + * Copyright 2010 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * 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, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/device.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/pcm_params.h> + +#include <asm/dma.h> +#include <asm/portmux.h> +#include <linux/gpio.h> +#include "../codecs/adav80x.h" +#include "bf5xx-sport.h" +#include "bf5xx-i2s-pcm.h" +#include "bf5xx-i2s.h" + +static struct snd_soc_card bf5xx_adav80x; + +static int bf5xx_adav80x_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->dai->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; + unsigned int clk = 0; + int ret = 0; + + pr_debug("%s rate %d format %x\n", __func__, params_rate(params), + params_format(params)); + + switch (params_rate(params)) { + case 32000: + case 44100: + case 48000: + case 96000: + clk = params_rate(params); + break; + } + + /* + * CODEC is master for BCLK and LRC in this configuration. + */ + + /* set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) + return ret; + /* set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) + return ret; + + /* For the ADAV80X evaluation board, use the on board crystal + as XIN, and use XIN as source for PLL1 */ + ret = snd_soc_dai_set_pll(codec_dai, ADAV80X_CLK_PLL1, + ADAV80X_CLK_XIN, 27000000, clk); + + /* If you want to use XIN as clock source */ + /* ret = snd_soc_dai_set_pll(codec_dai, 0, ADAV80X_CLK_XIN, + 27000000, 0); */ + if (ret < 0) + return ret; + return 0; +} + +static struct snd_soc_ops bf5xx_adav80x_ops = { + .hw_params = bf5xx_adav80x_hw_params, +}; + +static struct snd_soc_dai_link bf5xx_adav80x_dai = { + .name = "adav80x", + .stream_name = "ADAV80X", + .cpu_dai = &bf5xx_i2s_dai, + .codec_dai = &adav80x_dai, + .ops = &bf5xx_adav80x_ops, +}; + +static struct snd_soc_card bf5xx_adav80x = { + .name = "bf5xx_adav80x", + .platform = &bf5xx_i2s_soc_platform, + .dai_link = &bf5xx_adav80x_dai, + .num_links = 1, +}; + +static struct snd_soc_device bf5xx_adav80x_snd_devdata = { + .card = &bf5xx_adav80x, + .codec_dev = &soc_codec_dev_adav80x, +}; + +static struct platform_device *bf5xx_adav80x_snd_device; + +static int __init bf5xx_adav80x_init(void) +{ + int ret; + + bf5xx_adav80x_snd_device = platform_device_alloc("soc-audio", -1); + if (!bf5xx_adav80x_snd_device) + return -ENOMEM; + + platform_set_drvdata(bf5xx_adav80x_snd_device, + &bf5xx_adav80x_snd_devdata); + bf5xx_adav80x_snd_devdata.dev = &bf5xx_adav80x_snd_device->dev; + ret = platform_device_add(bf5xx_adav80x_snd_device); + + if (ret) + platform_device_put(bf5xx_adav80x_snd_device); + + return ret; +} + +static void __exit bf5xx_adav80x_exit(void) +{ + platform_device_unregister(bf5xx_adav80x_snd_device); +} + +module_init(bf5xx_adav80x_init); +module_exit(bf5xx_adav80x_exit); + +/* Module information */ +MODULE_AUTHOR("Yi Li"); +MODULE_DESCRIPTION("ALSA SoC ADAV80X Blackfin Board"); +MODULE_LICENSE("GPL");