Blaze AIC AIC3262 SW Release2
From OMAPpedia
Contents |
[edit] Introduction
This document explains the steps involved in enabling the AIC3262 Audio playback/recording on Blaze_Tablet2 and Blaze platform.
Blaze_AIC_Tablet2 = Blaze_Tablet2 + OMAP4 processor card with AIC3262 audio codec
Blaze_AIC = Blaze + OMAP4 processor card with AIC3262 audio codec
This software release has been developed and verified in the following software and hardware environment.
OS Kernel: Linux® 3.0
Android: Android IcecreamSandwich 4.0.1
Toolchain: CodeSourcery compiler version Sourcery G++ Lite 2010q1-202 for ARM GNU/Linux
Reference hardware platforms: TI OMAP4 4460 ES1.1 HS blaze_tablet and TI OMAP4 4460 ES1.1 HS blaze
Build Host OS: Ubuntu
Daily Build Blaze_Tablet Version: IceCream_Blaze_Tablet_DailyBuild_270
Daily Build Blaze Version: IceCream_Blaze_DailyBuild_327
Reference software releasehttp://omapedia.org/wiki/L27.IS.1_OMAP4_Icecream_Sandwich_Release_Notes#Downloading_Release_Software
This document assumes that
- The user is familiar with Blaze Tablet2 and Blaze platform. Please refer the info given here http://omapedia.org/wiki/L27.IS.1_OMAP4_Icecream_Sandwich_Release_Notes
- User has access to Blaze Tablet2 and Blaze platform
- User has access to "OMAP4 Processor card with AIC3262 audio codec"
Release summary
- Android GUI: Playback on Headphone and Speakers on Blaze and Blaze Tablet2
- Android GUI: Record from Headset microphone on Blaze and Blaze Tablet2
- Android GUI: Record from Main microphone and sub microphone on Blaze
- Command-line: Playback on Headphone and Speakers on Blaze and Blaze Tablet2
- Command-line: Record from Headset microphone on Blaze and Blaze Tablet2
- Command-line: Record from Main microphone and sub microphone on Blaze
[edit] Installation
- Hardware
- Install the Processor card (OMAP4+AIC3262) onto Blaze Tablet2 platform. This platform is referred as Blaze_AIC_Tablet2
- Install the Processor card (OMAP4+AIC3262) onto Blaze platform. This platform is referred as Blaze_AIC
[edit] Release Content
This release Blaze_AIC_AIC3262_SW_Release2.zip contains three files
- Patch to be applied on top of the Kernel. Kernel can be pulled from http://omapedia.org/wiki/L27.IS.1_OMAP4_Icecream_Sandwich_Release_Notes#Downloading_Release_Software
- Patch to be applied on top of Android ICS . ICS can be pulled from http://omappedia.org/wiki/L27.IS.1_OMAP4_Icecream_Sandwich_Release_Notes#Downloading_Release_Software
- Release document (this document) to explain the steps involved to enable AIC3262 Audio playback/recording
Features supported in this release
- Fully compliant with ALSA
- Integrated the driver with OMAP4 ABE
- Tested Multimedia Headphone playback and headset microphone recording
- Tested Recording from Main Mic and Sub Mic on Blaze_AIC
- Tested Receiver(Earpiece) on Blaze_AIC
- Tested External Speaker playback on Blaze_AIC_Tablet2 and Blaze_AIC
- Tested for single I2S
- Multi I2S support is 'not' enabled in this release
[edit] Build Instructions
[edit] Android File System
This section explains how to patch and build the Android File System
Unzip Blaze_AIC_AIC3262_SW_Release2.zip into a temporary directory.
cd mydroid/device/ti/common-open
patch -p1 < {temporary directory}/Blaze_AIC_AIC3262_sw_release2_Audio_HAL.patch
Follow the build instructions given here: http://omappedia.org/wiki/L27.IS.1_OMAP4_Icecream_Sandwich_Release_Notes#Building_Android_Filesystem_.28AFS.29_with_TI_Codecs_enabled under http://omappedia.org/wiki/L27.IS.1_OMAP4_Icecream_Sandwich_Release_Notes#Build_Instructions
[edit] tinyalsa utils
Build the tinyalsa utils. These utilities are needed for playback and recording wav files.
cd mydroid make tinycap make tinyplay make tinymix
[edit] Kernel
This section explains how to patch and build the kernel
Unzip Blaze_AIC_AIC3262_SW_Release2.zip into a temporary directory.
cd kernel/android-3.0
patch -p1 < {temporary directory}/Blaze_AIC_AIC3262_sw_release2_kernel.patch
Follow the build instructions given here:http://omappedia.org/wiki/L27.IS.1_OMAP4_Icecream_Sandwich_Release_Notes#Building_Kernel under http://omappedia.org/wiki/L27.IS.1_OMAP4_Icecream_Sandwich_Release_Notes#Build_Instructions
[edit] Flashing
Follow the steps given in http://omapedia.org/wiki/L27.IS.1_OMAP4_Icecream_Sandwich_Release_Notes#Flashing_the_OMAP4_Hardware
[edit] AIC3262 Audio
This sections explains the top level audio architecture of Blaze_AIC_Tablet2/Blaze_AIC
[edit] ABE
ABE audio routing is shown in this diagram
[edit] AIC3262
AIC3262 audio routing is shown in this diagram
Important mixer commands are shown in red color
[edit] Audio Architecture
[edit] AIC3262 Audio Playback and Recording
Plugin a headset with L,R,M,G connections as shown here
[edit] Playback and Recording on Command Line
[edit] Legacy Mode
- Playback on heaphones
tinymix 172 1 tinymix 169 1 tinymix 65 6 tinyplay data/<wav file> -d 6
- Playback on External Speaker
tinymix 66 1 tinymix 154 127 tinymix 157 127 tinymix 160 1 tinymix 165 1 to playback on multimedia Front end tinyplay data/<wav file> to playback on low power front end tinyplay data/<wav file> -d 6
- Recording from headset microphone
tinymix 126 1 tinymix 135 1 tinymix 69 60 tinymix 73 17152 tinycap data/<wav file> -d 6 -c 2 -r 48000 -b 16
- Recording from Main microphone on Blaze_AIC
tinymix 69 90 tinymix 83 1 tinymix 117 1 tinymix 126 0 tinymix 127 1 tinymix 128 1 tinymix 131 0 tinymix 132 0 tinymix 135 0 tinymix 73 17152 tinycap data/<wav file> -d 1 -c 2 -r 48000 -b 16
- Recording from Sub microphone on Blaze_AIC
tinymix 69 90 tinymix 83 1 tinymix 117 1 tinymix 126 0 tinymix 127 1 tinymix 128 1 tinymix 131 0 tinymix 132 0 tinymix 135 0 tinymix 73 17152 tinycap data/<wav file> -d 1 -c 2 -r 48000 -b 16
[edit] ABE Mode
- Playback on heaphones
tinymix 6 120 tinymix 23 120 tinymix 32 1 tinymix 36 1 tinymix 51 1 tinymix 65 6 tinymix 169 1 tinymix 172 1 to playback on multimedia Front end tinyplay data/<wav file> to playback on low power front end tinyplay data/<wav file> -d 5
- Playback on External Speaker
tinymix 66 1 tinymix 154 127 tinymix 157 127 tinymix 160 1 tinymix 165 1 to playback on multimedia Front end tinyplay data/<wav file> to playback on low power front end tinyplay data/<wav file> -d 5
- Recording from headset microphone
tinymix 54 10 tinymix 55 9 tinymix 69 60 tinymix 126 1 tinymix 135 1 tinymix 73 17152 tinycap data/<wav file> -d 1 -c 2 -r 48000 -b 16
- Recording from Main microphone on Blaze_AIC
tinymix 69 90 tinymix 83 1 tinymix 117 1 tinymix 126 0 tinymix 127 1 tinymix 128 1 tinymix 131 0 tinymix 132 0 tinymix 135 0 tinymix 73 17152 tinycap data/<wav file> -d 1 -c 2 -r 48000 -b 16
- Recording from Sub microphone on Blaze_AIC
tinymix 69 90 tinymix 83 1 tinymix 117 1 tinymix 126 0 tinymix 127 1 tinymix 128 1 tinymix 131 0 tinymix 132 0 tinymix 135 0 tinymix 73 17152 tinycap data/<wav file> -d 1 -c 2 -r 48000 -b 16
[edit] Playback and Recording from ICS GUI on Blaze and Blaze Tablet2
Push the <media file> into the /sdcard directory of ICS filesystem.
[edit] Playback on headphone/headset
Insert the headphone/headset. In ICS GUI select music player application and select the <media file> from sdcard to playback the file.
[edit] Playback on speakers
Remove the headphone/headset. In ICS GUI select music player application and select the <media file> from sdcard to playback the file.
[edit] Recording from headset microphone on Blaze and Blaze Tablet2
Insert the headset.In ICS GUI select Sound Recorder application and select start recording.
[edit] Recording from main microphone on Blaze
Remove the headset.In ICS GUI select Sound Recorder application and select start recording.
[edit] Testing
Android Audio CTS and OMAP Audio TC tests are performed. Test results are captured in Blaze_AIC_AIC3262_SW_Release2_test_results.zip
- Android CTS test results on Blaze_Tablet2: Blaze_AIC_Tablet2_AIC3262_SW_Release2_cts_test_results.zip
- Android CTS test results on Blaze: Blaze_AIC_AIC3262_SW_Release2_cts_test_results.zip
- The Android CTS is a automated test suite that runs on the host system. The test cases were executed on Blaze_AIC_Tablet2 and Blaze_AIC attached to the host.
The tests covered in this release are Unit tests, Functional tests and Reference Application tests.
- OMAP Audio TC test results on Blaze Table2: Blaze_AIC_AIC3262_SW_Release2_audio_tc_results.zip
The Audio TC is a system reliability test, the test cases were executed for audio functionality on Blaze_AIC_Tablet2 and Blaze_AIC.
[edit] Known Issues
- Release is Tested on Blaze_AIC_Tablet2 and Blaze_AIC
- Due to non-availability of Modem board, voice call is not tested
- Due to non-availability of Bluetooth board, bluetooth call is not tested
- Headphone output is not optimally configured for performance measurements
- Headphone/headset/microphone detection is tested with a few number of headphones/headsets
