FM Radio: add silabs si4709 (cb95ffee) · Commits · e / os / android_frameworks_base

core/jni/Android.mk

+13 −9

Original line number	Diff line number	Diff line
		@@ -145,6 +145,9 @@ LOCAL_SRC_FILES:= \
		android_content_res_Configuration.cpp

		ifeq ($(BOARD_HAVE_FM_RADIO),true)
		ifeq ($(BOARD_FM_DEVICE),si4709)
		LOCAL_SRC_FILES += android_hardware_fm_si4709.cpp
		else
		ifeq ($(BOARD_WLAN_DEVICE),bcm4329)
		LOCAL_SRC_FILES += android_hardware_fm_bcm4325.cpp
		endif
		@@ -155,6 +158,7 @@ ifeq ($(BOARD_WLAN_DEVICE),wl1271)
		LOCAL_SRC_FILES += android_hardware_fm_wl1271.cpp
		endif
		endif
		endif

		LOCAL_C_INCLUDES += \
		$(JNI_H_INCLUDE) \

core/jni/android_hardware_fm_si4709.cpp

0 → 100644

+656 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2009, Code Aurora Forum. All rights reserved.
		* Copyright (c) 2011, The CyanogenMod Project
		*
		* Redistribution and use in source and binary forms, with or without
		* modification, are permitted provided that the following conditions are met:
		* * Redistributions of source code must retain the above copyright
		* notice, this list of conditions and the following disclaimer.
		* * Redistributions in binary form must reproduce the above copyright
		* notice, this list of conditions and the following disclaimer in the
		* documentation and/or other materials provided with the distribution.
		* * Neither the name of Code Aurora nor
		* the names of its contributors may be used to endorse or promote
		* products derived from this software without specific prior written
		* permission.
		*
		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
		* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
		* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
		* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
		* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
		* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
		* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
		* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		*/

		#define LOG_NDEBUG 0
		#define LOG_TAG "fmradio_si4709"

		#include "jni.h"
		#include "nativehelper/JNIHelp.h"
		#include "utils/Log.h"
		#include <sys/ioctl.h>
		#include <fcntl.h>
		#include "android_runtime/AndroidRuntime.h"

		#define FM_JNI_SUCCESS 0L
		#define FM_JNI_FAILURE -1L

		/* Magic values from the framework
		* they have to match the values in FMTransiver.java
		* */

		#define JAVA_FM_CHSPACE_200_KHZ 0
		#define JAVA_FM_CHSPACE_100_KHZ 1
		#define JAVA_FM_CHSPACE_50_KHZ 2


		#define FM_RDS_STD_RBDS 0
		#define FM_RDS_STD_RDS 1
		#define FM_RDS_STD_NONE 2

		#define FM_DE_EMP75 0
		#define FM_DE_EMP50 1

		#define V4L2_CID_PRIVATE_BASE 0x8000000
		#define V4L2_CID_PRIVATE_TAVARUA_REGION V4L2_CID_PRIVATE_BASE + 7
		#define V4L2_CID_PRIVATE_TAVARUA_EMPHASIS V4L2_CID_PRIVATE_BASE + 12
		#define V4L2_CID_PRIVATE_TAVARUA_RDS_STD V4L2_CID_PRIVATE_BASE + 13
		#define V4L2_CID_PRIVATE_TAVARUA_SPACING V4L2_CID_PRIVATE_BASE + 14

		struct dev_state_t
		{
		int power_state;
		int seek_state;
		};

		struct rssi_snr_t
		{
		uint8_t curr_rssi;
		uint8_t curr_rssi_th;
		uint8_t curr_snr;
		};

		struct device_id
		{
		uint8_t part_number;
		uint16_t manufact_number;
		};

		struct chip_id
		{
		uint8_t chip_version;
		uint8_t device;
		uint8_t firmware_version;
		};

		struct sys_config2
		{
		uint16_t rssi_th;
		uint8_t fm_band;
		uint8_t fm_chan_spac;
		uint8_t fm_vol;
		};

		struct sys_config3
		{
		uint8_t smmute;
		uint8_t smutea;
		uint8_t volext;
		uint8_t sksnr;
		uint8_t skcnt;
		};

		struct status_rssi
		{
		uint8_t rdsr;
		uint8_t stc;
		uint8_t sfbl;
		uint8_t afcrl;
		uint8_t rdss;
		uint8_t blera;
		uint8_t st;
		uint16_t rssi;
		};

		struct power_config
		{
		uint16_t dsmute :1;
		uint16_t dmute:1;
		uint16_t mono:1;
		uint16_t rds_mode:1;
		uint16_t sk_mode:1;
		uint16_t seek_up:1;
		uint16_t seek:1;
		uint16_t power_disable:1;
		uint16_t power_enable:1;
		};

		struct radio_data_t
		{
		uint16_t rdsa;
		uint16_t rdsb;
		uint16_t rdsc;
		uint16_t rdsd;
		uint8_t curr_rssi;
		uint32_t curr_channel;
		uint8_t blera;
		uint8_t blerb;
		uint8_t blerc;
		uint8_t blerd;
		};

		#define NUM_SEEK_PRESETS 20

		#define WAIT_OVER 0
		#define SEEK_WAITING 1
		#define NO_WAIT 2
		#define TUNE_WAITING 4
		#define RDS_WAITING 5
		#define SEEK_CANCEL 6

		/dev settings/
		/band/
		#define BAND_87500_108000_kHz 1
		#define BAND_76000_108000_kHz 2
		#define BAND_76000_90000_kHz 3

		/channel spacing/
		#define CHAN_SPACING_200_kHz 20 /US/
		#define CHAN_SPACING_100_kHz 10 /Europe,Japan/
		#define CHAN_SPACING_50_kHz 5

		/DE-emphasis Time Constant/
		#define DE_TIME_CONSTANT_50 1 /Europe,Japan,Australia/
		#define DE_TIME_CONSTANT_75 0 /US/


		/***************IOCTLS****************/
		/magic no/
		#define Si4709_IOC_MAGIC 0xFA
		/max seq no/
		#define Si4709_IOC_NR_MAX 40

		/commands/
		#define Si4709_IOC_POWERUP _IO(Si4709_IOC_MAGIC, 0)
		#define Si4709_IOC_POWERDOWN _IO(Si4709_IOC_MAGIC, 1)
		#define Si4709_IOC_BAND_SET _IOW(Si4709_IOC_MAGIC, 2, int)
		#define Si4709_IOC_CHAN_SPACING_SET _IOW(Si4709_IOC_MAGIC, 3, int)
		#define Si4709_IOC_CHAN_SELECT _IOW(Si4709_IOC_MAGIC, 4, uint32_t)
		#define Si4709_IOC_CHAN_GET _IOR(Si4709_IOC_MAGIC, 5, uint32_t)
		#define Si4709_IOC_SEEK_UP _IOR(Si4709_IOC_MAGIC, 6, uint32_t)
		#define Si4709_IOC_SEEK_DOWN _IOR(Si4709_IOC_MAGIC, 7, uint32_t)
		/VNVS:28OCT'09---- Si4709_IOC_SEEK_AUTO is disabled as of now/
		//#define Si4709_IOC_SEEK_AUTO _IOR(Si4709_IOC_MAGIC, 8, u32)
		#define Si4709_IOC_RSSI_SEEK_TH_SET _IOW(Si4709_IOC_MAGIC, 9, u8)
		#define Si4709_IOC_SEEK_SNR_SET _IOW(Si4709_IOC_MAGIC, 10, u8)
		#define Si4709_IOC_SEEK_CNT_SET _IOW(Si4709_IOC_MAGIC, 11, u8)
		#define Si4709_IOC_CUR_RSSI_GET _IOR(Si4709_IOC_MAGIC, 12, rssi_snr_t)
		#define Si4709_IOC_VOLEXT_ENB _IO(Si4709_IOC_MAGIC, 13)
		#define Si4709_IOC_VOLEXT_DISB _IO(Si4709_IOC_MAGIC, 14)
		#define Si4709_IOC_VOLUME_SET _IOW(Si4709_IOC_MAGIC, 15, u8)
		#define Si4709_IOC_VOLUME_GET _IOR(Si4709_IOC_MAGIC, 16, u8)
		#define Si4709_IOC_MUTE_ON _IO(Si4709_IOC_MAGIC, 17)
		#define Si4709_IOC_MUTE_OFF _IO(Si4709_IOC_MAGIC, 18)
		#define Si4709_IOC_MONO_SET _IO(Si4709_IOC_MAGIC, 19)
		#define Si4709_IOC_STEREO_SET _IO(Si4709_IOC_MAGIC, 20)
		#define Si4709_IOC_RSTATE_GET _IOR(Si4709_IOC_MAGIC, 21, dev_state_t)
		#define Si4709_IOC_RDS_DATA_GET _IOR(Si4709_IOC_MAGIC, 22, radio_data_t)
		#define Si4709_IOC_RDS_ENABLE _IO(Si4709_IOC_MAGIC, 23)
		#define Si4709_IOC_RDS_DISABLE _IO(Si4709_IOC_MAGIC, 24)
		#define Si4709_IOC_RDS_TIMEOUT_SET _IOW(Si4709_IOC_MAGIC, 25, u32)
		#define Si4709_IOC_SEEK_CANCEL _IO(Si4709_IOC_MAGIC, 26)/VNVS:START 13-OCT'09---- Added IOCTLs for reading the device-id,chip-id,power configuration, system configuration2 registers/
		#define Si4709_IOC_DEVICE_ID_GET _IOR(Si4709_IOC_MAGIC, 27,device_id)
		#define Si4709_IOC_CHIP_ID_GET _IOR(Si4709_IOC_MAGIC, 28,chip_id)
		#define Si4709_IOC_SYS_CONFIG2_GET _IOR(Si4709_IOC_MAGIC,29,sys_config2)
		#define Si4709_IOC_POWER_CONFIG_GET _IOR(Si4709_IOC_MAGIC,30,power_config)
		#define Si4709_IOC_AFCRL_GET _IOR(Si4709_IOC_MAGIC,31,u8) /For reading AFCRL bit, to check for a valid channel/
		#define Si4709_IOC_DE_SET _IOW(Si4709_IOC_MAGIC,32,uint8_t) /Setting DE-emphasis Time Constant. For DE=0,TC=50us(Europe,Japan,Australia) and DE=1,TC=75us(USA)/
		#define Si4709_IOC_SYS_CONFIG3_GET _IOR(Si4709_IOC_MAGIC, 33, sys_config3)
		#define Si4709_IOC_STATUS_RSSI_GET _IOR(Si4709_IOC_MAGIC, 34, status_rssi)
		#define Si4709_IOC_SYS_CONFIG2_SET _IOW(Si4709_IOC_MAGIC, 35, sys_config2)
		#define Si4709_IOC_SYS_CONFIG3_SET _IOW(Si4709_IOC_MAGIC, 36, sys_config3)
		#define Si4709_IOC_DSMUTE_ON _IO(Si4709_IOC_MAGIC, 37)
		#define Si4709_IOC_DSMUTE_OFF _IO(Si4709_IOC_MAGIC, 38)
		#define Si4709_IOC_RESET_RDS_DATA _IO(Si4709_IOC_MAGIC, 39)


		/*****************************************/


		int setFreq(int freq, int fd);
		int radioOn(int fd);
		int radioOff(int fd);


		bool radioEnabled = false;
		static int lastFreq = 0;

		int radioOn(int fd)
		{
		LOGV("%s", __func__);
		if (radioEnabled) {
		return FM_JNI_SUCCESS;
		}

		int ret;

		ret = ioctl(fd, Si4709_IOC_POWERUP);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_POWERUP failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}

		radioEnabled = true;

		if (lastFreq != 0) {
		setFreq(lastFreq, fd);
		}

		return FM_JNI_SUCCESS;
		}

		int radioOff(int fd)
		{
		LOGV("%s", __func__);
		if (!radioEnabled) {
		return FM_JNI_SUCCESS;
		}

		int ret;

		ret = ioctl(fd, Si4709_IOC_POWERDOWN);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_POWERDOWN failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}

		radioEnabled = false;
		return FM_JNI_SUCCESS;
		}

		int setFreq(int freq, int fd)
		{
		LOGV("%s", __func__);

		int ret;

		ret = ioctl(fd, Si4709_IOC_CHAN_SELECT, &freq);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_CHAN_SELECT failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}

		lastFreq = freq;
		return FM_JNI_SUCCESS;
		}

		int setFreqSpacing(int spacing, int fd)
		{
		int nativeSpacing, ret;

		switch(spacing) {
		case JAVA_FM_CHSPACE_200_KHZ:
		nativeSpacing = CHAN_SPACING_200_kHz;
		break;

		case JAVA_FM_CHSPACE_100_KHZ:
		nativeSpacing = CHAN_SPACING_100_kHz;
		break;

		case JAVA_FM_CHSPACE_50_KHZ:
		nativeSpacing = CHAN_SPACING_50_kHz;
		break;

		default:
		LOGE("%s : ERROR invalid Freqency spacing %d", __func__, spacing);
		return FM_JNI_FAILURE;
		}

		LOGV("%s: spacing is %d", __func__, nativeSpacing);

		ret = ioctl(fd, Si4709_IOC_CHAN_SPACING_SET, &nativeSpacing);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_CHAN_SPACING_SET failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}

		return FM_JNI_SUCCESS;
		}

		int setMute(int mute, int fd)
		{
		LOGV("%s", __func__);

		int ret;

		if(mute)
		ret = ioctl(fd, Si4709_IOC_MUTE_ON);
		else
		ret = ioctl(fd, Si4709_IOC_MUTE_OFF);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_MUTE failed failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}
		return FM_JNI_SUCCESS;

		}

		int setRDSMode(int rdsMode, int fd)
		{
		int nativeMode;
		int ret;

		if (rdsMode == FM_RDS_STD_NONE)
		ret = ioctl(fd, Si4709_IOC_RDS_DISABLE);
		else
		ret = ioctl(fd, Si4709_IOC_RDS_ENABLE);

		LOGV("%s: rdsMode is %d", __func__, rdsMode);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_RDS failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}

		return FM_JNI_SUCCESS;
		}

		int setEmphais(int emphais, int fd)
		{
		int nativeEmphais, ret;

		switch(emphais) {
		case FM_DE_EMP75:
		nativeEmphais = DE_TIME_CONSTANT_75;
		break;

		case FM_DE_EMP50:
		nativeEmphais = DE_TIME_CONSTANT_50;
		break;

		default:
		LOGE("%s : ERROR invalid Freqency spacing %d", __func__, emphais);
		return FM_JNI_FAILURE;
		}

		LOGV("%s: spacing is %d", __func__, nativeEmphais);

		ret = ioctl(fd, Si4709_IOC_DE_SET, &nativeEmphais);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_DE_SET failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}

		return FM_JNI_SUCCESS;

		}

		using namespace android;

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_setControlNative
		(JNIEnv * env, jobject thiz, jint fd, jint id, jint value)
		{
		LOGV("%s : fd = %d id = %d value = %d", __func__, fd, id, value);

		switch(id) {
		case V4L2_CID_PRIVATE_TAVARUA_SPACING:
		return setFreqSpacing(value, fd);
		break;

		case V4L2_CID_PRIVATE_TAVARUA_RDS_STD:
		return setRDSMode(value, fd);
		break;

		case V4L2_CID_PRIVATE_TAVARUA_EMPHASIS:
		return setEmphais(value, fd);
		break;

		default:
		switch (value) {
		case 1:
		return radioOn(fd);
		break;

		case 2:
		return radioOff(fd);
		break;

		case 3:
		return setMute(1, fd);
		break;

		case 4:
		return setMute(0, fd);
		break;

		}
		return FM_JNI_SUCCESS;
		}
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_getFreqNative
		(JNIEnv * env, jobject thiz, jint fd)
		{
		LOGV("%s", __func__);

		int ret;
		uint32_t freq;

		ret = ioctl(fd, Si4709_IOC_CHAN_GET, &freq);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_CHAN_GET failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}

		return freq;
		}

		/native interface /
		static jint android_hardware_fmradio_FmReceiverJNI_setFreqNative
		(JNIEnv * env, jobject thiz, jint fd, jint freq)
		{
		return setFreq(freq, fd);
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_acquireFdNative
		(JNIEnv *env, jobject thiz, jstring path)
		{
		jboolean iscopy;
		const char *nativeString = env->GetStringUTFChars(path, &iscopy);

		LOGD("%s : opening %s", __func__, nativeString);

		return open(nativeString, O_RDWR);
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_closeFdNative
		(JNIEnv * env, jobject thiz, jint fd)
		{
		return close(fd);
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_getControlNative
		(JNIEnv * env, jobject thiz, jint fd, jint id)
		{
		return FM_JNI_SUCCESS;
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_startSearchNative
		(JNIEnv * env, jobject thiz, jint fd, jint dir)
		{
		LOGD("startSearchNative() %d", dir);
		return FM_JNI_SUCCESS;
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_cancelSearchNative
		(JNIEnv * env, jobject thiz, jint fd)
		{
		LOGD("cancelSearchNative()");
		return FM_JNI_SUCCESS;
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_getRSSINative
		(JNIEnv * env, jobject thiz, jint fd)
		{
		struct rssi_snr_t rssi;
		int ret;
		LOGV("%s", __func__);

		ret = ioctl(fd, Si4709_IOC_CUR_RSSI_GET, &rssi);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_CUR_RSSI_GET failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}

		LOGD("getRSSINative(), %d", rssi.curr_rssi);
		return rssi.curr_rssi;
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_setBandNative
		(JNIEnv * env, jobject thiz, jint fd, jint low, jint high)
		{
		LOGV("%s", __func__);

		int ret;
		int spacing, de, band;

		if (low == 76000 && high == 90000)
		band = BAND_76000_90000_kHz;
		else if (low == 87500 && high == 107900)
		band = BAND_87500_108000_kHz;
		else
		band = BAND_76000_108000_kHz;

		LOGV("%s: band is %d", __func__, band);

		ret = ioctl(fd, Si4709_IOC_BAND_SET, &band);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_BAND_SET failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}

		return FM_JNI_SUCCESS;
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_getLowerBandNative
		(JNIEnv * env, jobject thiz, jint fd)
		{
		LOGD("getLowerBandNative()");
		return FM_JNI_SUCCESS;
		}

		static jint android_hardware_fmradio_FmReceiverJNI_setMonoStereoNative
		(JNIEnv * env, jobject thiz, jint fd, jint val)
		{
		LOGV("%s", __func__);
		int ret;
		if (val == 1) {
		ret = ioctl(fd, Si4709_IOC_STEREO_SET);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_STEREO_SET failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}
		} else {
		ret = ioctl(fd, Si4709_IOC_MONO_SET);

		if (ret < 0)
		{
		LOGE("%s: IOCTL Si4709_IOC_MONO_SET failed %d", __func__, ret);
		return FM_JNI_FAILURE;
		}
		}

		return FM_JNI_SUCCESS;
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_getBufferNative
		(JNIEnv * env, jobject thiz, jint fd, jbooleanArray buff, jint index)
		{
		LOGD("getBufferNative() %d", index);
		return index;
		}

		/* native interface */
		static jint android_hardware_fmradio_FmReceiverJNI_getRawRdsNative
		(JNIEnv * env, jobject thiz, jint fd, jbooleanArray buff, jint count)
		{
		LOGD("getRawRdsNative() %d", count);
		return FM_JNI_SUCCESS;
		}

		/*
		* JNI registration.
		*/
		static JNINativeMethod gMethods[] = {
		/* name, signature, funcPtr */
		{ "acquireFdNative", "(Ljava/lang/String;)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_acquireFdNative},
		{ "closeFdNative", "(I)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_closeFdNative},
		{ "getFreqNative", "(I)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_getFreqNative},
		{ "setFreqNative", "(II)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_setFreqNative},
		{ "getControlNative", "(II)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_getControlNative},
		{ "setControlNative", "(III)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_setControlNative},
		{ "startSearchNative", "(II)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_startSearchNative},
		{ "cancelSearchNative", "(I)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_cancelSearchNative},
		{ "getRSSINative", "(I)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_getRSSINative},
		{ "setBandNative", "(III)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_setBandNative},
		{ "getLowerBandNative", "(I)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_getLowerBandNative},
		{ "getBufferNative", "(I[BI)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_getBufferNative},
		{ "setMonoStereoNative", "(II)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_setMonoStereoNative},
		{ "getRawRdsNative", "(I[BI)I",
		(void*)android_hardware_fmradio_FmReceiverJNI_getRawRdsNative},
		};

		int register_android_hardware_fm_fmradio(JNIEnv* env)
		{
		return jniRegisterNativeMethods(env, "android/hardware/fmradio/FmReceiverJNI", gMethods, NELEM(gMethods));
		}