NetBSD Problem Report #52848

From brad@anduin.eldar.org  Thu Dec 21 23:48:28 2017
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Message-Id: <201712212348.vBLNmK9I010374@anduin.eldar.org>
Date: Thu, 21 Dec 2017 18:48:20 -0500 (EST)
From: brad@anduin.eldar.org
Reply-To: brad@anduin.eldar.org
To: gnats-bugs@NetBSD.org
Subject: Enhacement: two environment sensor drivers.  AM2315 and SI70xx
X-Send-Pr-Version: 3.95

>Number:         52848
>Category:       kern
>Synopsis:       Enhacement: two environment sensor drivers.  AM2315 and SI70xx
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          closed
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 21 23:50:00 +0000 2017
>Closed-Date:    Mon Jun 04 21:44:45 +0000 2018
>Last-Modified:  Mon Jun 04 21:44:45 +0000 2018
>Originator:     Brad Spencer
>Release:        8.99.3
>Organization:
	Eldar.org
>Environment:
NetBSD erebor.nat.eldar.org 8.99.3 NetBSD 8.99.3 (RPI3) #1: Sun Nov  5 06:48:26 EST 2017  brad@gimli.nat.eldar.org:/usr/src/sys/arch/evbarm/compile/RPI3 evbarm
Architecture: evbarm
Machine: evbarm
>Description:

This is an enhancement that contains two device drivers for a couple
of environment sensors that are available as breakout boards from
Adafruit and/or Sparkfun.  The following is included in this
enhancement:

* Driver, man page, module glue for the Aosong AM2315 sensor via I2C bus.

* Driver, man page, module glue for the Silicon Labs
  SI7013/SI7020/SI7021 and HTU21D [probably] via I2C bus.  This driver
  supports all of the functions of the SI7021, including the heater.
  The other chip variants were not tested, but likely work.  The
  second ADC on SI7013 is not supported.

* One line bug fix for the Broadcom I2C controller found in the
  Raspberry PI.  If you do not apply this one line fix up, the SI70xx
  driver will do a KASSERT() that is not really needed.

To apply the patch:

* check out a clean source tree from around the 8.99.3 time frame,
although except for the bcm2835_bsc.c fix, it will probably apply to
-current.

* unpack the uuencoded bzip tar file included here

* run ./install_sensor_1 /top/of/source/tree

Each file that is patched or installed has it own .diff.


This was all developed on a Raspberry PI 3 mostly using the Broadcom
I2C controller, although it was also tested with gpioiic.  The SI70xx
device appears to work with gpioiic, the AM2315 did not.

>How-To-Repeat:

Try to use a AM2315 or SI7021 and find out you do not have a driver for them.

>Fix:

begin 664 env_sensors_1.tar.bz2
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M7(D&.@8>V8FPD.L?(B?,GE,Q>Z-_"5AVZ1&_S5G#QF8A$#29!H^!5;E,,"R.
M\W'"VI5LBH^QB)C<WQ++*BQ92)94-J8!A%A@G8D3&(LED290D>U/L5?AY2QX
MX9'X98\]<KKAD\(>R,2>8SD:_`XJW-[=$;DTDT'X-X>B-;$0<MI/,GD[BB2/
M]2A_M2JH/T@][I2P1"'C!/(E")1"#0EFP6DPPR(C9*0R6EI9/>)WTGN#G(2?
+_B[DBG"A(36Y:7BP
`
end

>Release-Note:

>Audit-Trail:
From: "Christos Zoulas" <christos@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/52848 CVS commit: src/sys/arch/arm/broadcom
Date: Thu, 28 Dec 2017 17:42:36 -0500

 Module Name:	src
 Committed By:	christos
 Date:		Thu Dec 28 22:42:36 UTC 2017

 Modified Files:
 	src/sys/arch/arm/broadcom: bcm2835_bsc.c

 Log Message:
 PR/52848: Brad Spencer: Comment out KASSERT, length 0 appears to be valid.


 To generate a diff of this commit:
 cvs rdiff -u -r1.8 -r1.9 src/sys/arch/arm/broadcom/bcm2835_bsc.c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

From: "Christos Zoulas" <christos@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/52848 CVS commit: src/sys/dev/i2c
Date: Thu, 28 Dec 2017 18:23:48 -0500

 Module Name:	src
 Committed By:	christos
 Date:		Thu Dec 28 23:23:47 UTC 2017

 Modified Files:
 	src/sys/dev/i2c: files.i2c
 Added Files:
 	src/sys/dev/i2c: am2315.c am2315reg.h am2315var.h si70xx.c si70xxreg.h
 	    si70xxvar.h

 Log Message:
 PR/52848: Brad Spencer: Two environment sensor drivers: AM2315 and SI70xx
 XXX: Please check that my refactoring did not break them!


 To generate a diff of this commit:
 cvs rdiff -u -r0 -r1.1 src/sys/dev/i2c/am2315.c src/sys/dev/i2c/am2315reg.h \
     src/sys/dev/i2c/am2315var.h src/sys/dev/i2c/si70xx.c \
     src/sys/dev/i2c/si70xxreg.h src/sys/dev/i2c/si70xxvar.h
 cvs rdiff -u -r1.79 -r1.80 src/sys/dev/i2c/files.i2c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

From: "Christos Zoulas" <christos@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/52848 CVS commit: src/share/man/man4
Date: Thu, 28 Dec 2017 18:28:01 -0500

 Module Name:	src
 Committed By:	christos
 Date:		Thu Dec 28 23:28:01 UTC 2017

 Modified Files:
 	src/share/man/man4: Makefile
 Added Files:
 	src/share/man/man4: am2315temp.4 si70xxtemp.4

 Log Message:
 PR/52848: Brad Spencer: Man pages for new drivers


 To generate a diff of this commit:
 cvs rdiff -u -r1.647 -r1.648 src/share/man/man4/Makefile
 cvs rdiff -u -r0 -r1.1 src/share/man/man4/am2315temp.4 \
     src/share/man/man4/si70xxtemp.4

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

From: "Christos Zoulas" <christos@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/52848 CVS commit: src/sys/modules
Date: Thu, 28 Dec 2017 21:14:25 -0500

 Module Name:	src
 Committed By:	christos
 Date:		Fri Dec 29 02:14:25 UTC 2017

 Modified Files:
 	src/sys/modules: Makefile
 Added Files:
 	src/sys/modules/am2315temp: Makefile am2315temp.ioconf
 	src/sys/modules/si70xxtemp: Makefile si70xxtemp.ioconf

 Log Message:
 PR/52848: Brad Spencer: Add module glue for AM2315 and SI70xx drivers


 To generate a diff of this commit:
 cvs rdiff -u -r1.196 -r1.197 src/sys/modules/Makefile
 cvs rdiff -u -r0 -r1.1 src/sys/modules/am2315temp/Makefile \
     src/sys/modules/am2315temp/am2315temp.ioconf
 cvs rdiff -u -r0 -r1.1 src/sys/modules/si70xxtemp/Makefile \
     src/sys/modules/si70xxtemp/si70xxtemp.ioconf

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

State-Changed-From-To: open->feedback
State-Changed-By: maya@NetBSD.org
State-Changed-When: Mon, 04 Jun 2018 11:36:14 +0000
State-Changed-Why:
Is the commit OK? does everything work now and no parts missing?


From: Brad Spencer <brad@anduin.eldar.org>
To: gnats-bugs@NetBSD.org
Cc: kern-bug-people@netbsd.org, netbsd-bugs@netbsd.org, gnats-admin@netbsd.org,
        maya@NetBSD.org
Subject: Re: kern/52848 (Enhacement: two environment sensor drivers.  AM2315 and SI70xx)
Date: Mon, 04 Jun 2018 15:37:12 -0400

 maya@NetBSD.org writes:

 > Synopsis: Enhacement: two environment sensor drivers.  AM2315 and SI70xx
 >
 > State-Changed-From-To: open->feedback
 > State-Changed-By: maya@NetBSD.org
 > State-Changed-When: Mon, 04 Jun 2018 11:36:14 +0000
 > State-Changed-Why:
 > Is the commit OK? does everything work now and no parts missing?


 As far as I am aware the committed drivers work fine and I believe that
 this PR can be closed.  Thanks.



 -- 
 Brad Spencer - brad@anduin.eldar.org - KC8VKS - http://anduin.eldar.org

State-Changed-From-To: feedback->closed
State-Changed-By: maya@NetBSD.org
State-Changed-When: Mon, 04 Jun 2018 21:44:45 +0000
State-Changed-Why:
Confirmed OK from submitter. Thanks for the patch.


>Unformatted:

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