Initial commit for TFA Audio Driver in CAF branch

#

# NOTE! Don't add files that are generated in specific

# subdirectories here. Add them in the ".gitignore" file

# in that subdirectory instead.

#

# NOTE! Please use 'git ls-files -i --exclude-standard'

# command after changing this file, to see if there are

# any tracked files which get ignored after the change.

#

# Normal rules

#

.*

*.o

*.o.*

*.a

*.s

*.ko

*.so

*.so.dbg

*.mod.c

*.i

*.lst

*.symtypes

*.order

modules.builtin

*.elf

*.bin

*.gz

*.bz2

*.lzma

*.xz

*.lz4

*.lzo

*.patch

*.gcno

*.dll

#

# Top-level generic files

#

/tags

/TAGS

/linux

/vmlinux

/vmlinuz

/System.map

/Module.markers

Module.symvers

#

# Debian directory (make deb-pkg)

#

/debian/

#

# git files that we don't want to ignore even it they are dot-files

#

!.gitignore

!.mailmap

#

# Generated include files

#

include/config

include/generated

arch/*/include/generated

# stgit generated dirs

patches-*

# quilt's files

patches

series

# cscope files

cscope.*

ncscope.*

# gnu global files

GPATH

GRTAGS

GSYMS

GTAGS

*.orig

*~

\#*#

#

# Leavings from module signing

#

extra_certificates

signing_key.priv

signing_key.x509

x509.genkey

# Kconfig presets

all.config

# make sure that the environment variables ARCH and CROSS_COMPILE

# are set for your architecture and cross compiler.

# And that KDIR points to the kernel to build against.

#

# e.g.:

# export ARCH=arm

# export CROSS_COMPILE=arm-linux-gnueabihf-

# export KDIR=../linux

# In case of out of tree build, build as a module

# (when build inside kernel we will not enter this directory and this will have no effect)

ifeq ($(CONFIG_SND_SOC_TFA98XX),)

CONFIG_SND_SOC_TFA98XX := m

endif

ifneq ($(KERNELRELEASE),)

# add version number derived from Git

ifeq ($(KDIR),)

PLMA_TFA_AUDIO_DRV_DIR=$(realpath -f $(srctree)/$(src))

else

PLMA_TFA_AUDIO_DRV_DIR=$(realpath -f $(src))

endif

GIT_VERSION=$(shell cd $(PLMA_TFA_AUDIO_DRV_DIR); git describe --tags --dirty --match "v[0-9]*.[0-9]*.[0-9]*")

EXTRA_CFLAGS += -DTFA98XX_GIT_VERSIONS=\"$(GIT_VERSION)\"

# debugging support (also enables trace_printk)

EXTRA_CFLAGS += -DDEBUG

EXTRA_CFLAGS += -I$(src)/inc

EXTRA_CFLAGS += -Werror

obj-$(CONFIG_SND_SOC_TFA98XX) := snd-soc-tfa98xx.o

snd-soc-tfa98xx-objs += src/tfa98xx.o

snd-soc-tfa98xx-objs += src/tfa_container.o

snd-soc-tfa98xx-objs += src/tfa_dsp.o

snd-soc-tfa98xx-objs += src/tfa_init.o

ifdef TFA_DEBUG

EXTRA_CFLAGS += -DTFA_DEBUG -DDEBUG

snd-soc-tfa98xx-objs += src/tfa_debug.o

endif

else

MAKEARCH := $(MAKE) ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE)

all:

	$(MAKEARCH) -C $(KDIR) M=$(PWD) modules

clean:

	$(MAKEARCH) -C $(KDIR) M=$(PWD) clean

	rm -f $(snd-soc-tfa98xx-objs)

endif

/*

 * Copyright (C) 2014 NXP Semiconductors, All Rights Reserved.

 *

 * 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.

 *

 */

/*

	Linux kernel specific definitions used by code shared with

	Linux/Windows user space.

*/

#ifndef __CONFIG_LINUX_KERNEL_INC__

#define __CONFIG_LINUX_KERNEL_INC__

#include <linux/ctype.h>

#include <linux/delay.h>

#include <linux/slab.h>

#include <linux/crc32.h>

#include <linux/ftrace.h>

#define _ASSERT(e)

#define PRINT_ASSERT(e)if ((e)) printk(KERN_ERR "PrintAssert:%s (%s:%d) error code:%d\n",__FUNCTION__,__FILE__,__LINE__, e)

#if defined(CONFIG_TRACING) && defined(DEBUG)

	#define tfa98xx_trace_printk(...) trace_printk(__VA_ARGS__)

#else

	#define tfa98xx_trace_printk(...)

#endif

#endif /* __CONFIG_LINUX_KERNEL_INC__ */

/*

 * Copyright (C) 2014 NXP Semiconductors, All Rights Reserved.

 *

 * 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.

 *

 */

#ifndef TFA_H_

#define TFA_H_

/* set the limit for the container file length */

#define TFA_MAX_CNT_LENGTH (256*1024)

extern struct tfa_device **devs;

/**

 * tfa error return codes

 */

enum tfa_error {

        tfa_error_ok,       /**< no error */

        tfa_error_device,   /**< no response from device */

        tfa_error_bad_param,/**< parameter no accepted */

        tfa_error_noclock,  /**< required clock not present */

        tfa_error_timeout,  /**< a timeout occurred */

        tfa_error_dsp,      /**< a DSP error was returned */

        tfa_error_container,/**< no or wrong container file */

        tfa_error_max       /**< impossible value, max enum */

};

enum Tfa98xx_Error tfa_write_filters(struct tfa_device *tfa, int prof_idx);

struct tfa_device ** tfa_devs_create(int count);

void tfa_devs_destroy(int count);

struct tfa_device ** tfa_get_device_struct(void);

struct tfa_device *tfa_get_address_device(int address);

int tfa_plop_noise_interrupt(struct tfa_device *tfa, int profile, int vstep);

void tfa_lp_mode_interrupt(struct tfa_device *tfa);

#endif /* TFA_H_ */