forked from Minki/linux
64105cfd65
This patch adds several functions for DAI control and config and replaces the current method of calling function pointers within the DAI struct within the machine drivers. Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
383 lines
9.5 KiB
C
383 lines
9.5 KiB
C
/*
|
|
* n810.c -- SoC audio for Nokia N810
|
|
*
|
|
* Copyright (C) 2008 Nokia Corporation
|
|
*
|
|
* Contact: Jarkko Nikula <jarkko.nikula@nokia.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 <sound/soc-dapm.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/arch/hardware.h>
|
|
#include <linux/gpio.h>
|
|
#include <asm/arch/mcbsp.h>
|
|
|
|
#include "omap-mcbsp.h"
|
|
#include "omap-pcm.h"
|
|
#include "../codecs/tlv320aic3x.h"
|
|
|
|
#define N810_HEADSET_AMP_GPIO 10
|
|
#define N810_SPEAKER_AMP_GPIO 101
|
|
|
|
static struct clk *sys_clkout2;
|
|
static struct clk *sys_clkout2_src;
|
|
static struct clk *func96m_clk;
|
|
|
|
static int n810_spk_func;
|
|
static int n810_jack_func;
|
|
static int n810_dmic_func;
|
|
|
|
static void n810_ext_control(struct snd_soc_codec *codec)
|
|
{
|
|
if (n810_spk_func)
|
|
snd_soc_dapm_enable_pin(codec, "Ext Spk");
|
|
else
|
|
snd_soc_dapm_disable_pin(codec, "Ext Spk");
|
|
|
|
if (n810_jack_func)
|
|
snd_soc_dapm_enable_pin(codec, "Headphone Jack");
|
|
else
|
|
snd_soc_dapm_disable_pin(codec, "Headphone Jack");
|
|
|
|
if (n810_dmic_func)
|
|
snd_soc_dapm_enable_pin(codec, "DMic");
|
|
else
|
|
snd_soc_dapm_disable_pin(codec, "DMic);
|
|
|
|
snd_soc_dapm_sync(codec);
|
|
}
|
|
|
|
static int n810_startup(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_codec *codec = rtd->socdev->codec;
|
|
|
|
n810_ext_control(codec);
|
|
return clk_enable(sys_clkout2);
|
|
}
|
|
|
|
static void n810_shutdown(struct snd_pcm_substream *substream)
|
|
{
|
|
clk_disable(sys_clkout2);
|
|
}
|
|
|
|
static int n810_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;
|
|
int err;
|
|
|
|
/* Set codec DAI configuration */
|
|
err = snd_soc_dai_set_fmt(codec_dai,
|
|
SND_SOC_DAIFMT_I2S |
|
|
SND_SOC_DAIFMT_NB_NF |
|
|
SND_SOC_DAIFMT_CBM_CFM);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* Set cpu DAI configuration */
|
|
err = snd_soc_dai_set_fmt(cpu_dai,
|
|
SND_SOC_DAIFMT_I2S |
|
|
SND_SOC_DAIFMT_NB_NF |
|
|
SND_SOC_DAIFMT_CBM_CFM);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* Set the codec system clock for DAC and ADC */
|
|
err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000,
|
|
SND_SOC_CLOCK_IN);
|
|
|
|
return err;
|
|
}
|
|
|
|
static struct snd_soc_ops n810_ops = {
|
|
.startup = n810_startup,
|
|
.hw_params = n810_hw_params,
|
|
.shutdown = n810_shutdown,
|
|
};
|
|
|
|
static int n810_get_spk(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.integer.value[0] = n810_spk_func;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int n810_set_spk(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
if (n810_spk_func == ucontrol->value.integer.value[0])
|
|
return 0;
|
|
|
|
n810_spk_func = ucontrol->value.integer.value[0];
|
|
n810_ext_control(codec);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int n810_get_jack(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.integer.value[0] = n810_jack_func;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int n810_set_jack(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
if (n810_jack_func == ucontrol->value.integer.value[0])
|
|
return 0;
|
|
|
|
n810_jack_func = ucontrol->value.integer.value[0];
|
|
n810_ext_control(codec);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int n810_get_input(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.integer.value[0] = n810_dmic_func;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int n810_set_input(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
if (n810_dmic_func == ucontrol->value.integer.value[0])
|
|
return 0;
|
|
|
|
n810_dmic_func = ucontrol->value.integer.value[0];
|
|
n810_ext_control(codec);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int n810_spk_event(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *k, int event)
|
|
{
|
|
if (SND_SOC_DAPM_EVENT_ON(event))
|
|
gpio_set_value(N810_SPEAKER_AMP_GPIO, 1);
|
|
else
|
|
gpio_set_value(N810_SPEAKER_AMP_GPIO, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int n810_jack_event(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *k, int event)
|
|
{
|
|
if (SND_SOC_DAPM_EVENT_ON(event))
|
|
gpio_set_value(N810_HEADSET_AMP_GPIO, 1);
|
|
else
|
|
gpio_set_value(N810_HEADSET_AMP_GPIO, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = {
|
|
SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event),
|
|
SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event),
|
|
SND_SOC_DAPM_MIC("DMic", NULL),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route audio_map[] = {
|
|
{"Headphone Jack", NULL, "HPLOUT"},
|
|
{"Headphone Jack", NULL, "HPROUT"},
|
|
|
|
{"Ext Spk", NULL, "LLOUT"},
|
|
{"Ext Spk", NULL, "RLOUT"},
|
|
|
|
{"DMic Rate 64", NULL, "Mic Bias 2V"},
|
|
{"Mic Bias 2V", NULL, "DMic"},
|
|
};
|
|
|
|
static const char *spk_function[] = {"Off", "On"};
|
|
static const char *jack_function[] = {"Off", "Headphone"};
|
|
static const char *input_function[] = {"ADC", "Digital Mic"};
|
|
static const struct soc_enum n810_enum[] = {
|
|
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
|
|
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
|
|
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new aic33_n810_controls[] = {
|
|
SOC_ENUM_EXT("Speaker Function", n810_enum[0],
|
|
n810_get_spk, n810_set_spk),
|
|
SOC_ENUM_EXT("Jack Function", n810_enum[1],
|
|
n810_get_jack, n810_set_jack),
|
|
SOC_ENUM_EXT("Input Select", n810_enum[2],
|
|
n810_get_input, n810_set_input),
|
|
};
|
|
|
|
static int n810_aic33_init(struct snd_soc_codec *codec)
|
|
{
|
|
int i, err;
|
|
|
|
/* Not connected */
|
|
snd_soc_dapm_disable_pin(codec, "MONO_LOUT");
|
|
snd_soc_dapm_disable_pin(codec, "HPLCOM");
|
|
snd_soc_dapm_disable_pin(codec, "HPRCOM");
|
|
|
|
/* Add N810 specific controls */
|
|
for (i = 0; i < ARRAY_SIZE(aic33_n810_controls); i++) {
|
|
err = snd_ctl_add(codec->card,
|
|
snd_soc_cnew(&aic33_n810_controls[i], codec, NULL));
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
/* Add N810 specific widgets */
|
|
snd_soc_dapm_new_controls(codec, aic33_dapm_widgets,
|
|
ARRAY_SIZE(aic33_dapm_widgets));
|
|
|
|
/* Set up N810 specific audio path audio_map */
|
|
snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
|
|
|
|
snd_soc_dapm_sync(codec);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Digital audio interface glue - connects codec <--> CPU */
|
|
static struct snd_soc_dai_link n810_dai = {
|
|
.name = "TLV320AIC33",
|
|
.stream_name = "AIC33",
|
|
.cpu_dai = &omap_mcbsp_dai[0],
|
|
.codec_dai = &aic3x_dai,
|
|
.init = n810_aic33_init,
|
|
.ops = &n810_ops,
|
|
};
|
|
|
|
/* Audio machine driver */
|
|
static struct snd_soc_machine snd_soc_machine_n810 = {
|
|
.name = "N810",
|
|
.dai_link = &n810_dai,
|
|
.num_links = 1,
|
|
};
|
|
|
|
/* Audio private data */
|
|
static struct aic3x_setup_data n810_aic33_setup = {
|
|
.i2c_address = 0x18,
|
|
.gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
|
|
.gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
|
|
};
|
|
|
|
/* Audio subsystem */
|
|
static struct snd_soc_device n810_snd_devdata = {
|
|
.machine = &snd_soc_machine_n810,
|
|
.platform = &omap_soc_platform,
|
|
.codec_dev = &soc_codec_dev_aic3x,
|
|
.codec_data = &n810_aic33_setup,
|
|
};
|
|
|
|
static struct platform_device *n810_snd_device;
|
|
|
|
static int __init n810_soc_init(void)
|
|
{
|
|
int err;
|
|
struct device *dev;
|
|
|
|
if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax()))
|
|
return -ENODEV;
|
|
|
|
n810_snd_device = platform_device_alloc("soc-audio", -1);
|
|
if (!n810_snd_device)
|
|
return -ENOMEM;
|
|
|
|
platform_set_drvdata(n810_snd_device, &n810_snd_devdata);
|
|
n810_snd_devdata.dev = &n810_snd_device->dev;
|
|
*(unsigned int *)n810_dai.cpu_dai->private_data = 1; /* McBSP2 */
|
|
err = platform_device_add(n810_snd_device);
|
|
if (err)
|
|
goto err1;
|
|
|
|
dev = &n810_snd_device->dev;
|
|
|
|
sys_clkout2_src = clk_get(dev, "sys_clkout2_src");
|
|
if (IS_ERR(sys_clkout2_src)) {
|
|
dev_err(dev, "Could not get sys_clkout2_src clock\n");
|
|
return -ENODEV;
|
|
}
|
|
sys_clkout2 = clk_get(dev, "sys_clkout2");
|
|
if (IS_ERR(sys_clkout2)) {
|
|
dev_err(dev, "Could not get sys_clkout2\n");
|
|
goto err1;
|
|
}
|
|
/*
|
|
* Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use
|
|
* 96 MHz as its parent in order to get 12 MHz
|
|
*/
|
|
func96m_clk = clk_get(dev, "func_96m_ck");
|
|
if (IS_ERR(func96m_clk)) {
|
|
dev_err(dev, "Could not get func 96M clock\n");
|
|
goto err2;
|
|
}
|
|
clk_set_parent(sys_clkout2_src, func96m_clk);
|
|
clk_set_rate(sys_clkout2, 12000000);
|
|
|
|
if (gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0)
|
|
BUG();
|
|
if (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0)
|
|
BUG();
|
|
gpio_direction_output(N810_HEADSET_AMP_GPIO, 0);
|
|
gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0);
|
|
|
|
return 0;
|
|
err2:
|
|
clk_put(sys_clkout2);
|
|
platform_device_del(n810_snd_device);
|
|
err1:
|
|
platform_device_put(n810_snd_device);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
static void __exit n810_soc_exit(void)
|
|
{
|
|
gpio_free(N810_SPEAKER_AMP_GPIO);
|
|
gpio_free(N810_HEADSET_AMP_GPIO);
|
|
|
|
platform_device_unregister(n810_snd_device);
|
|
}
|
|
|
|
module_init(n810_soc_init);
|
|
module_exit(n810_soc_exit);
|
|
|
|
MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>");
|
|
MODULE_DESCRIPTION("ALSA SoC Nokia N810");
|
|
MODULE_LICENSE("GPL");
|