On Wed, Jun 1, 2011 at 4:47 PM, Peter Ujfalusi <peter.ujfalusi@xxxxxx> wrote: > From: Misael Lopez Cruz <misael.lopez@xxxxxx> > > TWL6040 IC provides analog high-end audio codec functions for > handset applications. It contains several audio analog inputs > and outputs as well as vibrator support. It's connected to the > host processor via PDM interface for audio data communication. > The audio modules are controlled by internal registers that > can be accessed by I2C and PDM interface. > > TWL6040 MFD will be registered as a child of TWL-CORE, and will > have two children of its own: twl6040-codec and twl6040-vibra. > > This driver is based on TWL4030 and WM8350 MFD drivers. > > Signed-off-by: Misael Lopez Cruz <misael.lopez@xxxxxx> > Signed-off-by: Jorge Eduardo Candelaria <jorge.candelaria@xxxxxx> > Signed-off-by: Margarita Olaya Cabrera <magi.olaya@xxxxxx> > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx> > --- > arch/arm/plat-omap/include/plat/irqs.h | 12 +- > drivers/mfd/Kconfig | 6 + > drivers/mfd/Makefile | 1 + > drivers/mfd/twl-core.c | 5 +- > drivers/mfd/twl6040-core.c | 589 ++++++++++++++++++++++++++++++++ > drivers/mfd/twl6040-irq.c | 205 +++++++++++ > include/linux/i2c/twl.h | 1 + > include/linux/mfd/twl6040.h | 260 ++++++++++++++ > 8 files changed, 1074 insertions(+), 5 deletions(-) > create mode 100644 drivers/mfd/twl6040-core.c > create mode 100644 drivers/mfd/twl6040-irq.c > create mode 100644 include/linux/mfd/twl6040.h > > diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h > index 5a25098..2cfba51 100644 > --- a/arch/arm/plat-omap/include/plat/irqs.h > +++ b/arch/arm/plat-omap/include/plat/irqs.h > @@ -407,11 +407,19 @@ > #endif > #define TWL6030_IRQ_END (TWL6030_IRQ_BASE + TWL6030_BASE_NR_IRQS) > > +#define TWL6040_CODEC_IRQ_BASE TWL6030_IRQ_END > +#ifdef CONFIG_TWL6040_CODEC > +#define TWL6040_CODEC_NR_IRQS 6 > +#else > +#define TWL6040_CODEC_NR_IRQS 0 > +#endif > +#define TWL6040_CODEC_IRQ_END (TWL6040_CODEC_IRQ_BASE + TWL6040_CODEC_NR_IRQS) > + > /* Total number of interrupts depends on the enabled blocks above */ > -#if (TWL4030_GPIO_IRQ_END > TWL6030_IRQ_END) > +#if (TWL4030_GPIO_IRQ_END > TWL6040_CODEC_IRQ_END) > #define TWL_IRQ_END TWL4030_GPIO_IRQ_END > #else > -#define TWL_IRQ_END TWL6030_IRQ_END > +#define TWL_IRQ_END TWL6040_CODEC_IRQ_END > #endif > > /* GPMC related */ > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > index 3a6f76a..ac6b4ae 100644 > --- a/drivers/mfd/Kconfig > +++ b/drivers/mfd/Kconfig > @@ -233,6 +233,12 @@ config TWL6030_PWM > Say yes here if you want support for TWL6030 PWM. > This is used to control charging LED brightness. > > +config TWL6040_CORE > + bool > + depends on TWL4030_CORE && GENERIC_HARDIRQS > + select MFD_CORE > + default n > + > config MFD_STMPE > bool "Support STMicroelectronics STMPE" > depends on I2C=y && GENERIC_HARDIRQS > diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile > index 4cf9465..41f3b61 100644 > --- a/drivers/mfd/Makefile > +++ b/drivers/mfd/Makefile > @@ -42,6 +42,7 @@ obj-$(CONFIG_TWL4030_MADC) += twl4030-madc.o > obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o > obj-$(CONFIG_MFD_TWL4030_AUDIO) += twl4030-audio.o > obj-$(CONFIG_TWL6030_PWM) += twl6030-pwm.o > +obj-$(CONFIG_TWL6040_CORE) += twl6040-core.o twl6040-irq.o > > obj-$(CONFIG_MFD_MC13XXX) += mc13xxx-core.o > > diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c > index f9d7880..a2eddc7 100644 > --- a/drivers/mfd/twl-core.c > +++ b/drivers/mfd/twl-core.c > @@ -110,7 +110,7 @@ > #endif > > #if defined(CONFIG_TWL4030_CODEC) || defined(CONFIG_TWL4030_CODEC_MODULE) ||\ > - defined(CONFIG_SND_SOC_TWL6040) || defined(CONFIG_SND_SOC_TWL6040_MODULE) > + defined(CONFIG_TWL6040_CORE) || defined(CONFIG_TWL6040_CORE_MODULE) > #define twl_has_codec() true > #else > #define twl_has_codec() false > @@ -824,10 +824,9 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features) > return PTR_ERR(child); > } > > - /* Phoenix codec driver is probed directly atm */ > if (twl_has_codec() && pdata->audio && twl_class_is_6030()) { > sub_chip_id = twl_map[TWL_MODULE_AUDIO_VOICE].sid; > - child = add_child(sub_chip_id, "twl6040-codec", > + child = add_child(sub_chip_id, "twl6040", > pdata->audio, sizeof(*pdata->audio), > false, 0, 0); > if (IS_ERR(child)) > diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c > new file mode 100644 > index 0000000..bb36862 > --- /dev/null > +++ b/drivers/mfd/twl6040-core.c > @@ -0,0 +1,589 @@ > +/* > + * MFD driver for TWL6040 audio device > + * > + * Authors: Misael Lopez Cruz <misael.lopez@xxxxxx> > + * Jorge Eduardo Candelaria <jorge.candelaria@xxxxxx> > + * Peter Ujfalusi <peter.ujfalusi@xxxxxx> > + * > + * Copyright: (C) 2011 Texas Instruments, Inc. > + * > + * 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/module.h> > +#include <linux/types.h> > +#include <linux/slab.h> > +#include <linux/kernel.h> > +#include <linux/platform_device.h> > +#include <linux/gpio.h> > +#include <linux/delay.h> > +#include <linux/i2c/twl.h> > +#include <linux/mfd/core.h> > +#include <linux/mfd/twl6040.h> > + > +static struct platform_device *twl6040_dev; > + > +int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg) > +{ > + int ret; > + u8 val = 0; > + > + mutex_lock(&twl6040->io_mutex); > + ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg); Can this dependency on twl_i2c_[read/write] be removed, Since TWL6040 is a separate IC which can get its own i2c_client in twl6040-core.c and create its own mfd devices like vibra, audio-codec ... while creating twl6040-core.c > + if (ret < 0) { > + mutex_unlock(&twl6040->io_mutex); > + return ret; > + } > + mutex_unlock(&twl6040->io_mutex); > + > + return val; > +} > +EXPORT_SYMBOL(twl6040_reg_read); > + -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html