1699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* 2699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * Copyright (C) 2015 The Android Open Source Project 3699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * 4699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * Licensed under the Apache License, Version 2.0 (the "License"); 5699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * you may not use this file except in compliance with the License. 6699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * You may obtain a copy of the License at 7699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * 8699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * http://www.apache.org/licenses/LICENSE-2.0 9699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * 10699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * Unless required by applicable law or agreed to in writing, software 11699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * distributed under the License is distributed on an "AS IS" BASIS, 12699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * See the License for the specific language governing permissions and 14699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * limitations under the License. 15699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent */ 16699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 17699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#ifndef ANDROID_RADIO_H 18699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#define ANDROID_RADIO_H 19699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 20699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#include <stdbool.h> 21699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#include <stdint.h> 22699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#include <stdio.h> 23699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#include <sys/cdefs.h> 24699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#include <sys/types.h> 25699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 26699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 27699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#define RADIO_NUM_BANDS_MAX 16 28699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#define RADIO_NUM_SPACINGS_MAX 16 29699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#define RADIO_STRING_LEN_MAX 128 30699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 31699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* 32699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * Radio hardware module class. A given radio hardware module HAL is of one class 33699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * only. The platform can not have more than one hardware module of each class. 34699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * Current version of the framework only supports RADIO_CLASS_AM_FM. 35699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent */ 36699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef enum { 37699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_CLASS_AM_FM = 0, /* FM (including HD radio) and AM */ 38699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_CLASS_SAT = 1, /* Satellite Radio */ 39699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_CLASS_DT = 2, /* Digital Radio (DAB) */ 40699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_class_t; 41699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 42699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* value for field "type" of radio band described in struct radio_hal_band_config */ 43699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef enum { 44699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_BAND_AM = 0, /* Amplitude Modulation band: LW, MW, SW */ 45699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_BAND_FM = 1, /* Frequency Modulation band: FM */ 46699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_BAND_FM_HD = 2, /* FM HD Radio / DRM (IBOC) */ 47699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_BAND_AM_HD = 3, /* AM HD Radio / DRM (IBOC) */ 48699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_band_t; 49699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 50699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* RDS variant implemented. A struct radio_hal_fm_band_config can list none or several. */ 51699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurentenum { 52699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_RDS_NONE = 0x0, 53699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_RDS_WORLD = 0x01, 54699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_RDS_US = 0x02, 55699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent}; 56699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef unsigned int radio_rds_t; 57699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 58699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* FM deemphasis variant implemented. A struct radio_hal_fm_band_config can list one or more. */ 59699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurentenum { 60699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_DEEMPHASIS_50 = 0x1, 61699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_DEEMPHASIS_75 = 0x2, 62699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent}; 63699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef unsigned int radio_deemphasis_t; 64699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 65699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Region a particular radio band configuration corresponds to. Not used at the HAL. 66699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * Derived by the framework when converting the band descriptors retrieved from the HAL to 67699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * individual band descriptors for each supported region. */ 68699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef enum { 69699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_REGION_NONE = -1, 70699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_REGION_ITU_1 = 0, 71699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_REGION_ITU_2 = 1, 72699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_REGION_OIRT = 2, 73699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_REGION_JAPAN = 3, 74699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_REGION_KOREA = 4, 75699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_region_t; 76699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 77699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* scanning direction for scan() and step() tuner APIs */ 78699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef enum { 79699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_DIRECTION_UP, 80699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_DIRECTION_DOWN 81699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_direction_t; 82699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 83699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* unique handle allocated to a radio module */ 84699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef unsigned int radio_handle_t; 85699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 86699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Opaque meta data structure used by radio meta data API (see system/radio_metadata.h) */ 87699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_medtadata radio_metadata_t; 88699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 89699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 90699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Additional attributes for an FM band configuration */ 91699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_hal_fm_band_config { 92699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_deemphasis_t deemphasis; /* deemphasis variant */ 93699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool stereo; /* stereo supported */ 94699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_rds_t rds; /* RDS variants supported */ 95699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool ta; /* Traffic Announcement supported */ 96699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool af; /* Alternate Frequency supported */ 972ccc52c3bbb70eff1705e2a6a3410517f29809b3Sanket Agarwal bool ea; /* Emergency announcements supported */ 98699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_hal_fm_band_config_t; 99699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 100699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Additional attributes for an AM band configuration */ 101699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_hal_am_band_config { 102699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool stereo; /* stereo supported */ 103699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_hal_am_band_config_t; 104699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 105699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Radio band configuration. Describes a given band supported by the radio module. 106699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * The HAL can expose only one band per type with the the maximum range supported and all options. 107699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * THe framework will derive the actual regions were this module can operate and expose separate 108699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * band configurations for applications to chose from. */ 109699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_hal_band_config { 110699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_band_t type; 111699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool antenna_connected; 112699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int lower_limit; 113699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int upper_limit; 114699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int num_spacings; 115699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int spacings[RADIO_NUM_SPACINGS_MAX]; 116699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent union { 117699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_hal_fm_band_config_t fm; 118699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_hal_am_band_config_t am; 119699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent }; 120699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_hal_band_config_t; 121699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 122699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Used internally by the framework to represent a band for s specific region */ 123699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_band_config { 124699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_region_t region; 125699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_hal_band_config_t band; 126699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_band_config_t; 127699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 128699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 129699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Exposes properties of a given hardware radio module. 130699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * NOTE: current framework implementation supports only one audio source (num_audio_sources = 1). 131699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * The source corresponds to AUDIO_DEVICE_IN_FM_TUNER. 132699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * If more than one tuner is supported (num_tuners > 1), only one can be connected to the audio 133699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * source. */ 134699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_hal_properties { 135699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_class_t class_id; /* Class of this module. E.g RADIO_CLASS_AM_FM */ 136699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent char implementor[RADIO_STRING_LEN_MAX]; /* implementor name */ 137699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent char product[RADIO_STRING_LEN_MAX]; /* product name */ 138699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent char version[RADIO_STRING_LEN_MAX]; /* product version */ 139699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent char serial[RADIO_STRING_LEN_MAX]; /* serial number (for subscription services) */ 140699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int num_tuners; /* number of tuners controllable independently */ 141699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int num_audio_sources; /* number of audio sources driven simultaneously */ 142699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool supports_capture; /* the hardware supports capture of audio source audio HAL */ 143699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int num_bands; /* number of band descriptors */ 144699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_hal_band_config_t bands[RADIO_NUM_BANDS_MAX]; /* band descriptors */ 145699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_hal_properties_t; 146699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 147699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Used internally by the framework. Same information as in struct radio_hal_properties plus a 148699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * unique handle and one band configuration per region. */ 149699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_properties { 150699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_handle_t handle; 151699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_class_t class_id; 152699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent char implementor[RADIO_STRING_LEN_MAX]; 153699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent char product[RADIO_STRING_LEN_MAX]; 154699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent char version[RADIO_STRING_LEN_MAX]; 155699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent char serial[RADIO_STRING_LEN_MAX]; 156699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int num_tuners; 157699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int num_audio_sources; 158699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool supports_capture; 159699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int num_bands; 160699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_band_config_t bands[RADIO_NUM_BANDS_MAX]; 161699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_properties_t; 162699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 163699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Radio program information. Returned by the HAL with event RADIO_EVENT_TUNED. 164699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * Contains information on currently tuned channel. 165699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent */ 166699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_program_info { 167699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int channel; /* current channel. (e.g kHz for band type RADIO_BAND_FM) */ 168699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int sub_channel; /* current sub channel. (used for RADIO_BAND_FM_HD) */ 169699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool tuned; /* tuned to a program or not */ 170699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool stereo; /* program is stereo or not */ 171699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool digital; /* digital program or not (e.g HD Radio program) */ 172699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent unsigned int signal_strength; /* signal strength from 0 to 100 */ 173699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_metadata_t *metadata; /* non null if meta data are present (e.g PTY, song title ...) */ 174699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_program_info_t; 175699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 176699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 177699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Events sent to the framework via the HAL callback. An event can notify the completion of an 178699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * asynchronous command (configuration, tune, scan ...) or a spontaneous change (antenna connection, 179699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent * failure, AF switching, meta data reception... */ 180699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurentenum { 181699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_EVENT_HW_FAILURE = 0, /* hardware module failure. Requires reopening the tuner */ 182699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_EVENT_CONFIG = 1, /* configuration change completed */ 183699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_EVENT_ANTENNA = 2, /* Antenna connected, disconnected */ 184699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_EVENT_TUNED = 3, /* tune, step, scan completed */ 185699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_EVENT_METADATA = 4, /* New meta data received */ 186699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_EVENT_TA = 5, /* Traffic announcement start or stop */ 187699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_EVENT_AF_SWITCH = 6, /* Switch to Alternate Frequency */ 1882ccc52c3bbb70eff1705e2a6a3410517f29809b3Sanket Agarwal RADIO_EVENT_EA = 7, /* Emergency announcement start or stop */ 189699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent // begin framework only events 190699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_EVENT_CONTROL = 100, /* loss/gain of tuner control */ 191699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent RADIO_EVENT_SERVER_DIED = 101, /* radio service died */ 192699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent}; 193699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef unsigned int radio_event_type_t; 194699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 195699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Event passed to the framework by the HAL callback */ 196699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_hal_event { 197699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_event_type_t type; /* event type */ 198699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent int status; /* used by RADIO_EVENT_CONFIG, RADIO_EVENT_TUNED */ 199699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent union { 2002ccc52c3bbb70eff1705e2a6a3410517f29809b3Sanket Agarwal /* RADIO_EVENT_ANTENNA, RADIO_EVENT_TA, RADIO_EVENT_EA */ 2012ccc52c3bbb70eff1705e2a6a3410517f29809b3Sanket Agarwal bool on; 202699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_hal_band_config_t config; /* RADIO_EVENT_CONFIG */ 203699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_program_info_t info; /* RADIO_EVENT_TUNED, RADIO_EVENT_AF_SWITCH */ 204699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_metadata_t *metadata; /* RADIO_EVENT_METADATA */ 205699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent }; 206699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_hal_event_t; 207699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 208699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent/* Used internally by the framework. Same information as in struct radio_hal_event */ 209699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurenttypedef struct radio_event { 210699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_event_type_t type; 211699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent int status; 212699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent union { 213699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent bool on; 214699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_band_config_t config; 215699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_program_info_t info; 216699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent radio_metadata_t *metadata; /* offset from start of struct when in shared memory */ 217699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent }; 218699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} radio_event_t; 219699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 220699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 221699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurentstatic radio_rds_t radio_rds_for_region(bool rds, radio_region_t region) { 222699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent if (!rds) 223699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent return RADIO_RDS_NONE; 224699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent switch(region) { 225699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_ITU_1: 226699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_OIRT: 227699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_JAPAN: 228699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_KOREA: 229699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent return RADIO_RDS_WORLD; 230699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_ITU_2: 231699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent return RADIO_RDS_US; 232699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent default: 233699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent return RADIO_REGION_NONE; 234699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent } 235699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} 236699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 237699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurentstatic radio_deemphasis_t radio_demephasis_for_region(radio_region_t region) { 238699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent switch(region) { 239699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_KOREA: 240699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_ITU_2: 241699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent return RADIO_DEEMPHASIS_75; 242699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_ITU_1: 243699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_OIRT: 244699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent case RADIO_REGION_JAPAN: 245699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent default: 246699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent return RADIO_DEEMPHASIS_50; 247699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent } 248699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent} 249699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent 250699ce298caf981e9c01a8ebb891003fdcfe2c58fEric Laurent#endif // ANDROID_RADIO_H 251