diff options
Diffstat (limited to 'sound/soc/omap/osk5912.c')
| -rw-r--r-- | sound/soc/omap/osk5912.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/sound/soc/omap/osk5912.c b/sound/soc/omap/osk5912.c deleted file mode 100644 index e4096779ca05..000000000000 --- a/sound/soc/omap/osk5912.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * osk5912.c -- SoC audio for OSK 5912 - * - * Copyright (C) 2008 Mistral Solutions - * - * Contact: Arun KS <arunks@mistralsolutions.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 <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> - -#include <asm/mach-types.h> -#include <linux/gpio.h> -#include <linux/module.h> -#include <linux/platform_data/asoc-ti-mcbsp.h> - -#include "omap-mcbsp.h" -#include "../codecs/tlv320aic23.h" - -#define CODEC_CLOCK 12000000 - -static struct clk *tlv320aic23_mclk; - -static int osk_startup(struct snd_pcm_substream *substream) -{ - return clk_enable(tlv320aic23_mclk); -} - -static void osk_shutdown(struct snd_pcm_substream *substream) -{ - clk_disable(tlv320aic23_mclk); -} - -static int osk_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 err; - - /* Set the codec system clock for DAC and ADC */ - err = - snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, SND_SOC_CLOCK_IN); - - if (err < 0) { - printk(KERN_ERR "can't set codec system clock\n"); - return err; - } - - return err; -} - -static const struct snd_soc_ops osk_ops = { - .startup = osk_startup, - .hw_params = osk_hw_params, - .shutdown = osk_shutdown, -}; - -static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_LINE("Line In", NULL), - SND_SOC_DAPM_MIC("Mic Jack", NULL), -}; - -static const struct snd_soc_dapm_route audio_map[] = { - {"Headphone Jack", NULL, "LHPOUT"}, - {"Headphone Jack", NULL, "RHPOUT"}, - - {"LLINEIN", NULL, "Line In"}, - {"RLINEIN", NULL, "Line In"}, - - {"MICIN", NULL, "Mic Jack"}, -}; - -/* Digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link osk_dai = { - .name = "TLV320AIC23", - .stream_name = "AIC23", - .cpu_dai_name = "omap-mcbsp.1", - .codec_dai_name = "tlv320aic23-hifi", - .platform_name = "omap-mcbsp.1", - .codec_name = "tlv320aic23-codec", - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM, - .ops = &osk_ops, -}; - -/* Audio machine driver */ -static struct snd_soc_card snd_soc_card_osk = { - .name = "OSK5912", - .owner = THIS_MODULE, - .dai_link = &osk_dai, - .num_links = 1, - - .dapm_widgets = tlv320aic23_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets), - .dapm_routes = audio_map, - .num_dapm_routes = ARRAY_SIZE(audio_map), -}; - -static struct platform_device *osk_snd_device; - -static int __init osk_soc_init(void) -{ - int err; - u32 curRate; - struct device *dev; - - if (!(machine_is_omap_osk())) - return -ENODEV; - - osk_snd_device = platform_device_alloc("soc-audio", -1); - if (!osk_snd_device) - return -ENOMEM; - - platform_set_drvdata(osk_snd_device, &snd_soc_card_osk); - err = platform_device_add(osk_snd_device); - if (err) - goto err1; - - dev = &osk_snd_device->dev; - - tlv320aic23_mclk = clk_get(dev, "mclk"); - if (IS_ERR(tlv320aic23_mclk)) { - printk(KERN_ERR "Could not get mclk clock\n"); - err = PTR_ERR(tlv320aic23_mclk); - goto err2; - } - - /* - * Configure 12 MHz output on MCLK. - */ - curRate = (uint) clk_get_rate(tlv320aic23_mclk); - if (curRate != CODEC_CLOCK) { - if (clk_set_rate(tlv320aic23_mclk, CODEC_CLOCK)) { - printk(KERN_ERR "Cannot set MCLK for AIC23 CODEC\n"); - err = -ECANCELED; - goto err3; - } - } - - printk(KERN_INFO "MCLK = %d [%d]\n", - (uint) clk_get_rate(tlv320aic23_mclk), CODEC_CLOCK); - - return 0; - -err3: - clk_put(tlv320aic23_mclk); -err2: - platform_device_del(osk_snd_device); -err1: - platform_device_put(osk_snd_device); - - return err; - -} - -static void __exit osk_soc_exit(void) -{ - clk_put(tlv320aic23_mclk); - platform_device_unregister(osk_snd_device); -} - -module_init(osk_soc_init); -module_exit(osk_soc_exit); - -MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>"); -MODULE_DESCRIPTION("ALSA SoC OSK 5912"); -MODULE_LICENSE("GPL"); |
