Yes correct. Msm is private and most will not be public. But I can tell you that all the new devices have changed to a secret chipset that interfaces to the host processor. On Jan 3, 2012 11:46 PM, "WANG Pei" <uraj...@gmail.com> wrote:
> Thank you for the information. The source code is informative, but as you > said it is hard to understand without knowledge to the hardware > architecture. > > My post has been delayed for more than one week (due to Xmas, I think). In > fact about MSM RPC mechanism I have found a very useful article explaining > it. Here it is: http://www.eetimes.com/**electronics-news/4083262/** > Google-Android-IPC-at-the-**lowest-levels<http://www.eetimes.com/electronics-news/4083262/Google-Android-IPC-at-the-lowest-levels> > > Hope that article will be helpful. > > On 2012/1/4 14:28, Hemanth(ヘマント) wrote: > >> Hi, >> >> I think some of the information that you are looking for might be >> proprietary. >> For almost anything MSM related, a good place to start is codeaurora. >> >> Some platforms do use the standalone ICs (bq27xxx) >> https://www.codeaurora.org/**gitweb/quic/le/?p=kernel/msm.** >> git;a=commitdiff;h=**339f30bc1ad4adaf3a05fae0abd21c**c3afab6c44<https://www.codeaurora.org/gitweb/quic/le/?p=kernel/msm.git;a=commitdiff;h=339f30bc1ad4adaf3a05fae0abd21cc3afab6c44> >> You can check your defconfig to see which of the "CONFIG_BATTERY_XXX" >> are being used. >> >> For the battery related RPC, you can check the code here: >> https://www.codeaurora.org/**gitweb/quic/le/?p=kernel/msm.** >> git;a=blob;f=drivers/power/**msm_battery.c;h=** >> 055539934e4ea247b56bec7b70c28f**a04d37ff57;hb=** >> 98f5fd413f051db8407a53f583a46a**1c3fb99657<https://www.codeaurora.org/gitweb/quic/le/?p=kernel/msm.git;a=blob;f=drivers/power/msm_battery.c;h=055539934e4ea247b56bec7b70c28fa04d37ff57;hb=98f5fd413f051db8407a53f583a46a1c3fb99657> >> >> As for the RPC operation itself, you can see the code on linux side >> from arch/arm/mach-msm. >> It's a bit hard to parse.. >> >> On Dec 27 2011, 2:34 pm, Pei Wang<uraj...@gmail.com> wrote: >> >>> Hi, >>> >>> I am now trying to do something to make the kernel be better at >>> tracking energy consumption, and I am using HTC Incredible 2 as my >>> development device. However, I got confused when dealing with MSM >>> platform. I just cannot understand how MSM chipsets implement battery >>> fuel gauge. It seems that phones based on MSM processors do not use >>> any individual fuel gauge IC such as MAX17042 or DS2784. I guess that >>> MSM processors have their own fuel gauge IC integrated in the >>> chipsets, and communicate with these IC via MSM RPC, but I am not sure >>> for this. In fact, I don't know what MSM RPC is and how it works >>> either. >>> >>> So in sum my question is how MSM based phone sense battery voltage and >>> current? Besides that, materials introducing MSM RPC will also be >>> helpful. Can anybody give me some instructions on how to get the >>> answer? Thanks in advance. >>> >>> Best Regards, >>> Pei Wang >>> >> > -- > unsubscribe: > android-kernel+unsubscribe@**googlegroups.com<android-kernel%2bunsubscr...@googlegroups.com> > website: > http://groups.google.com/**group/android-kernel<http://groups.google.com/group/android-kernel> -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel
