From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from hermes.mlbassoc.com ([64.234.241.98]:50506 "EHLO mail.chez-thomas.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752519Ab2ASNNz (ORCPT ); Thu, 19 Jan 2012 08:13:55 -0500 Message-ID: <4F181711.1020201@mlbassoc.com> Date: Thu, 19 Jan 2012 06:13:53 -0700 From: Gary Thomas MIME-Version: 1.0 To: Laurent Pinchart CC: linux-media@vger.kernel.org Subject: Re: [PATCH] Adding YUV input support for OMAP3ISP driver References: <201201171633.50619.laurent.pinchart@ideasonboard.com> <4F180F95.7050003@mlbassoc.com> <201201191350.51761.laurent.pinchart@ideasonboard.com> In-Reply-To: <201201191350.51761.laurent.pinchart@ideasonboard.com> Content-Type: multipart/mixed; boundary="------------050008020203030108080406" Sender: linux-media-owner@vger.kernel.org List-ID: This is a multi-part message in MIME format. --------------050008020203030108080406 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit On 2012-01-19 05:50, Laurent Pinchart wrote: > Hi Gary, > > On Thursday 19 January 2012 13:41:57 Gary Thomas wrote: >> On 2012-01-17 08:33, Laurent Pinchart wrote: >> >> >>> I already had a couple of YUV support patches in my OMAP3 ISP tree at >>> git.kernel.org. I've rebased them on top of the lastest V4L/DVB tree and >>> pushed them to >>> http://git.linuxtv.org/pinchartl/media.git/shortlog/refs/heads/omap3isp- >>> omap3isp-yuv. Could you please try them, and see if they're usable with >>> your sensor ? >> >> I just tried this kernel with my board. The media control infrastructure >> comes up and all of the devices are created, but I can't access them. >> >> From the bootup log: >> Linux media interface: v0.10 >> Linux video capture interface: v2.00 > > Any message from the omap3isp driver and from the sensor driver ? No, it doesn't appear that the sensor was probed (or maybe it failed but no messages). I'll check into this. Has the way of adding the sensors on the i2c bus changed? I have my TVP5150 on a i2c-2 all by itself and with the 3.0+ kernel, it was being added when I initialized the camera subsystem. Do you have an example driver (like the BeagleBoard one that was in your omap3isp-sensors-next branch previously)? > >> When I try to access the devices: >> root@cobra3530p73:~# media-ctl -p >> Opening media device /dev/media0 >> media_open_debug: Can't open media device /dev/media0 >> Failed to open /dev/media0 > > Could you please strace that ? Attached. Looks like it blows up immediately. Note: my media-ctl program was built from SRCREV 7266b1b5433b5644a06f05edf61c36864ab11683 > >> The devices look OK to me: >> root@cobra3530p73:~# ls -l /dev/v* /dev/med* >> crw------- 1 root root 252, 0 Nov 8 10:44 /dev/media0 >> crw-rw---- 1 root video 81, 7 Nov 8 10:44 /dev/v4l-subdev0 >> crw-rw---- 1 root video 81, 8 Nov 8 10:44 /dev/v4l-subdev1 >> crw-rw---- 1 root video 81, 9 Nov 8 10:44 /dev/v4l-subdev2 >> crw-rw---- 1 root video 81, 10 Nov 8 10:44 /dev/v4l-subdev3 >> crw-rw---- 1 root video 81, 11 Nov 8 10:44 /dev/v4l-subdev4 >> crw-rw---- 1 root video 81, 12 Nov 8 10:44 /dev/v4l-subdev5 >> crw-rw---- 1 root video 81, 13 Nov 8 10:44 /dev/v4l-subdev6 >> crw-rw---- 1 root video 81, 14 Nov 8 10:44 /dev/v4l-subdev7 >> crw-rw---- 1 root video 81, 15 Nov 8 10:44 /dev/v4l-subdev8 >> crw-rw---- 1 root tty 7, 0 Nov 8 10:44 /dev/vcs >> crw-rw---- 1 root tty 7, 1 Nov 8 10:44 /dev/vcs1 >> crw-rw---- 1 root tty 7, 128 Nov 8 10:44 /dev/vcsa >> crw-rw---- 1 root tty 7, 129 Nov 8 10:44 /dev/vcsa1 >> crw-rw---- 1 root video 81, 0 Nov 8 10:44 /dev/video0 >> crw-rw---- 1 root video 81, 1 Nov 8 10:44 /dev/video1 >> crw-rw---- 1 root video 81, 2 Nov 8 10:44 /dev/video2 >> crw-rw---- 1 root video 81, 3 Nov 8 10:44 /dev/video3 >> crw-rw---- 1 root video 81, 4 Nov 8 10:44 /dev/video4 >> crw-rw---- 1 root video 81, 5 Nov 8 10:44 /dev/video5 >> crw-rw---- 1 root video 81, 6 Nov 8 10:44 /dev/video6 > > Have the device nodes have been created manually ? > No, automatically created by udev. -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------ --------------050008020203030108080406 Content-Type: text/plain; name="media-ctl.strace" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="media-ctl.strace" execve("/usr/bin/media-ctl", ["media-ctl", "-p"], [/* 10 vars */]) = 0 brk(0) = 0x13000 uname({sys="Linux", node="cobra3530p73", ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40007000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=8733, ...}) = 0 mmap2(NULL, 8733, PROT_READ, MAP_PRIVATE, 3, 0) = 0x400e7000 close(3) = 0 open("/usr/lib/libmediactl.so.0", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\340\t\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=8776, ...}) = 0 mmap2(NULL, 40300, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x40182000 mprotect(0x40184000, 28672, PROT_NONE) = 0 mmap2(0x4018b000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0x4018b000 close(3) = 0 open("/usr/lib/libv4l2subdev.so.0", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\350\10\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=8220, ...}) = 0 mmap2(NULL, 39692, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x400dd000 mprotect(0x400df000, 28672, PROT_NONE) = 0 mmap2(0x400e6000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0x400e6000 close(3) = 0 open("/lib/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0hy\1\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1175744, ...}) = 0 mmap2(NULL, 1217808, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x4018c000 mprotect(0x402a9000, 28672, PROT_NONE) = 0 mmap2(0x402b0000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x11c) = 0x402b0000 mmap2(0x402b3000, 9488, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x402b3000 close(3) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x400ea000 set_tls(0x400ea800, 0x400eaed8, 0x400ea800, 0x40042050, 0x40042050) = 0 mprotect(0x402b0000, 8192, PROT_READ) = 0 mprotect(0x40041000, 4096, PROT_READ) = 0 munmap(0x400e7000, 8733) = 0 brk(0) = 0x13000 brk(0x34000) = 0x34000 fstat64(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(253, 0), ...}) = 0 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B115200 opost isig icanon echo ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40045000 write(1, "Opening media device /dev/media0"..., 33) = 33 open("/dev/media0", O_RDWR) = -1 ENXIO (No such device or address) write(1, "media_open_debug: Can't open med"..., 54) = 54 write(1, "Failed to open /dev/media0\n", 27) = 27 exit_group(1) = ? --------------050008020203030108080406--