I disabled lcd controller driver and enabled vpif driver in kernel.
root@arago:/sys/bus/i2c/drivers# ls
adv7343 dummy pcf857x tps6507x
at24 ir-kbd-i2c ths7303 tvp514x
dev_driver pca953x tlv320aic3x-codec
root@arago:/sys/bus/i2c/drivers# ls /dev/v*
/dev/vcs /dev/vcsa /dev/video0 /dev/video2
/dev/vcs1 /dev/vcsa1 /dev/video1 /dev/video3
/dev/v4l:
by-path
root@arago:/sys/bus/i2c/drivers#
When I run the example of video_loopback_copy, It failed!
root@arago:/sys/bus/i2c/drivers# DMAI_DEBUG=2 /opt/video_loopback_copy_omapl138.x470MV
@0x00046f7b:[T:0x40099070] ti.sdo.dmai - [Dmai] Dmai log level set to '2'. Note that calling CERuntime_init after this point may cause unexpected change to DMAI tracing behavior.
@0x000474e2:[T:0x40099070] ti.sdo.dmai - [Capture] Available video input:
@0x000475dd:[T:0x40099070] ti.sdo.dmai - [Capture] name=Composite
@0x000476fb:[T:0x40099070] ti.sdo.dmai - [Capture] Setting video input to COMPOSITE
@0x000df9ba:[T:0x40099070] ti.sdo.dmai - [Capture] Available video standard:
@0x000dfb53:[T:0x40099070] ti.sdo.dmai - [Capture] name=NTSC, fps=30000/1001
@0x000dfc1f:[T:0x40099070] ti.sdo.dmai - [Capture] name=NTSC-M, fps=30000/1001
@0x000dfcc4:[T:0x40099070] ti.sdo.dmai - [Capture] name=NTSC-M-JP, fps=30000/1001
@0x000dfd64:[T:0x40099070] ti.sdo.dmai - [Capture] name=NTSC-M-KR, fps=30000/1001
@0x000dfe00:[T:0x40099070] ti.sdo.dmai - [Capture] name=PAL, fps=25/1
@0x000dfe95:[T:0x40099070] ti.sdo.dmai - [Capture] name=PAL-BG, fps=25/1
@0x000dff2e:[T:0x40099070] ti.sdo.dmai - [Capture] name=PAL-H, fps=25/1
@0x000dfff5:[T:0x40099070] ti.sdo.dmai - [Capture] name=PAL-I, fps=25/1
@0x000e009a:[T:0x40099070] ti.sdo.dmai - [Capture] name=PAL-DK, fps=25/1
@0x000e014f:[T:0x40099070] ti.sdo.dmai - [Capture] Failed VIDIOC_S_STD
Failed to detect capture video standard
#dmesg, the boot information show as follow:
Uncompressing Linux... done, booting the kernel.
Linux version 2.6.37 (root@ubuntu) (gcc version 4.3.3 (GCC) ) #2 PREEMPT Wed Jul 22 08:03:02 PDT 2015
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: DaVinci DA850/OMAP-L138/AM18x EVM
Memory policy: ECC disabled, Data cache writeback
DaVinci da850/omap-l138/am18x variant 0x1
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 8128
Kernel command line: mem=32M console=ttyS2,115200n8 root=/dev/nfs nfsroot=192.168.2.27:/opt/dvsdk/targetfs rw init=/sbin/init ip=192.168.2.100: 192.168.2.1:255.255.255.0 vpif_capture.ch0_bufsize=831488 vpif_display.ch2_bufsize=831488
PID hash table entries: 128 (order: -3, 512 bytes)
Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
Memory: 32MB = 32MB total
Memory: 27264k/27264k available, 5504k reserved, 0K highmem
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
DMA : 0xff000000 - 0xffe00000 ( 14 MB)
vmalloc : 0xc2800000 - 0xfea00000 ( 962 MB)
lowmem : 0xc0000000 - 0xc2000000 ( 32 MB)
modules : 0xbf000000 - 0xc0000000 ( 16 MB)
.init : 0xc0008000 - 0xc0034000 ( 176 kB)
.text : 0xc0034000 - 0xc04b9000 (4628 kB)
.data : 0xc04ba000 - 0xc04ecf60 ( 204 kB)
SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptable hierarchical RCU implementation.
RCU-based detection of stalled CPUs is disabled.
Verbose stalled-CPUs detection is disabled.
NR_IRQS:245
Console: colour dummy device 80x30
Calibrating delay loop... 149.50 BogoMIPS (lpj=747520)
pid_max: default: 32768 minimum: 301
Security Framework initialized
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
DaVinci: 144 gpio irqs
regulator: core version 0.5
regulator: dummy:
NET: Registered protocol family 16
WARNING: both McASP and McBSP are enabled, but they share pins.
Only McASP will work. If you want McBSP support, disable McASP.
WARNING: both McASP and UART1_AFE are enabled, but they share pins.
Disable one of them.
da850_evm_init: eHRPWM module 0 cannot be used since it is being used by MII interface
da850_evm_init: eHRPWM module1 outputB cannot be used since it is being used by spi1
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
pca953x 1-0020: interrupt support not compiled in
DA850/OMAP-L138 EVM UI card detected
pca953x 1-0021: interrupt support not compiled in
regulator: VDCDC1: 3200 <--> 3300 mV at 3300 mV
regulator: VDCDC2: 1750 <--> 3300 mV at 3300 mV
regulator: VDCDC3: 950 <--> 1350 mV at 1200 mV
regulator: LDO1: 1800 mV
regulator: LDO2: 1150 <--> 1300 mV at 1200 mV
i2c-gpio i2c-gpio.1: using pins 20 (SDA) and 21 (SCL)
vpif vpif: vpif probe success
Advanced Linux Sound Architecture Driver Version 1.0.23.
Bluetooth: Core ver 2.15
NET: Registered protocol family 31
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
Switching to clocksource timer0_1
musb-hdrc: version 6.0, host, debug=0
musb-hdrc musb-hdrc: dma type: dma-cppi41
Waiting for USB PHY clock good...
musb-hdrc musb-hdrc: MUSB HDRC host driver
musb-hdrc musb-hdrc: new USB bus registered, assigned bus number 1
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
musb-hdrc musb-hdrc: USB Host mode controller at fee00000 using DMA, IRQ 58
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 1024 (order: 1, 8192 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
TCP reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
EMAC: MII PHY configured, RMII PHY will not be functional
McBSP:Probed McBSP1
JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
msgmni has been set to 53
io scheduler noop registered (default)
Serial: 8250/16550 driver, 3 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0x1c42000 (irq = 25) is a AR7
serial8250.0: ttyS1 at MMIO 0x1d0c000 (irq = 53) is a AR7
serial8250.0: ttyS2 at MMIO 0x1d0d000 (irq = 61) is a AR7
console [ttyS2] enabled
brd: module loaded
at24 1-0050: 32768 byte 24c256 EEPROM (writable)
ahci ahci: forcing PORTS_IMPL to 0x1
ahci ahci: AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl platform mode
ahci ahci: flags: ncq sntf pm led clo only pmp pio slum part ccc
scsi0 : ahci_platform
ata1: SATA max UDMA/133 mmio [mem 0x01e18000-0x01e19fff] port 0x100 irq 67
spi_davinci spi_davinci.1: DMA: supported
spi_davinci spi_davinci.1: DMA: RX channel: 18, TX channel: 19, event queue: 0
m25p80 spi1.0: m25p64 (8192 Kbytes)
Creating 6 MTD partitions on "m25p80":
0x000000000000-0x000000010000 : "UBL"
0x000000010000-0x000000090000 : "U-Boot"
0x000000090000-0x0000000a0000 : "U-Boot-Env"
0x0000000a0000-0x000000320000 : "Kernel"
0x000000320000-0x000000720000 : "Filesystem"
0x0000007f0000-0x000000800000 : "MAC-Address"
Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
spi_davinci spi_davinci.1: Controller at 0xfef0e000
davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
davinci_mdio davinci_mdio.0: detected phy mask fffffffe
davinci_mdio.0: probed
davinci_mdio davinci_mdio.0: phy[0]: device 0:00, driver SMSC LAN8710/LAN8720
console [netcon0] enabled
netconsole: network logging started
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
ohci ohci.0: DA8xx OHCI
ohci ohci.0: new USB bus registered, assigned bus number 2
Waiting for USB PHY clock good...
ohci ohci.0: irq 59, io mem 0x01e25000
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 1 port detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
input: gpio-keys-polled as /devices/platform/gpio-keys-polled.0/input/input0
input: gpio-keys-polled as /devices/platform/gpio-keys-polled.1/input/input1
ata1: SATA link down (SStatus 0 SControl 300)
input: TPS6507x Touchscreen as /devices/platform/i2c-gpio.1/i2c-1/1-0048/input/input2
omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
omap_rtc: RTC power up reset detected
i2c /dev entries driver
lirc_dev: IR Remote Control driver registered, major 252
IR NEC protocol handler initialized
IR RC5(x) protocol handler initialized
IR RC6 protocol handler initialized
IR JVC protocol handler initialized
IR Sony protocol handler initialized
IR RC5 (streamzap) protocol handler initialized
IR LIRC bridge handler initialized
Linux video capture interface: v2.00
adv7343 1-002a: chip found @ 0x54 (i2c-gpio1)
tvp514x: tvp514x decoder driver registered !!
vpif_capture vpif_capture: registered sub device tvp514x-0
tvp514x: tvp514x decoder driver registered !!
vpif_capture vpif_capture: registered sub device tvp514x-1
vpif_capture vpif_capture: VPIF Capture driver initialized
watchdog watchdog: heartbeat 60 sec
Bluetooth: HCI UART driver ver 2.2
Bluetooth: HCI H4 protocol initialized
Bluetooth: HCILL protocol initialized
cpuidle: using governor ladder
cpuidle: using governor menu
davinci_mmc: probe of davinci_mmc.0 failed with error -16
davinci_mmc davinci_mmc.1: Using DMA, 4-bit mode
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
1-0018 supply IOVDD not found, using dummy regulator
1-0018 supply DVDD not found, using dummy regulator
1-0018 supply AVDD not found, using dummy regulator
1-0018 supply DRVDD not found, using dummy regulator
asoc: tlv320aic3x-hifi <-> davinci-mcasp.0 mapping ok
ALSA device list:
#0: DA850/OMAP-L138 EVM
nf_conntrack version 0.5.0 (426 buckets, 1704 max)
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP cubic registered
NET: Registered protocol family 17
Bluetooth: L2CAP ver 2.15
Bluetooth: L2CAP socket layer initialized
Bluetooth: SCO (Voice Link) ver 0.6
Bluetooth: SCO socket layer initialized
Bluetooth: RFCOMM TTY layer initialized
Bluetooth: RFCOMM socket layer initialized
Bluetooth: RFCOMM ver 1.11
Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Bluetooth: BNEP filters: protocol multicast
Bluetooth: HIDP (Human Interface Emulation) ver 1.2
regulator_init_complete: incomplete constraints, leaving LDO2 on
regulator_init_complete: incomplete constraints, leaving LDO1 on
regulator_init_complete: incomplete constraints, leaving VDCDC3 on
regulator_init_complete: incomplete constraints, leaving VDCDC2 on
regulator_init_complete: incomplete constraints, leaving VDCDC1 on
davinci_emac_probe: using random MAC addr: 4a:d0:b4:3f:39:f8
omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
davinci_mdio davinci_mdio.0: resetting idled controller
net eth0: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=0:00, id=7c0f1)
IP-Config: Guessing netmask 255.255.255.0
IP-Config: Complete:
device=eth0, addr=192.168.2.100, mask=255.255.255.0, gw=255.255.255.255,
host=192.168.2.100, domain=, nis-domain=(none),
bootserver=255.255.255.255, rootserver=192.168.2.27, rootpath=
PHY: 0:00 - Link is Up - 100/Full
VFS: Mounted root (nfs filesystem) on device 0:13.
Freeing init memory: 176K
INIT: version 2.86 booting
Please wait: booting...
Error opening /dev/fb0: No such device
Starting udev
udevd (676): /proc/676/oom_adj is deprecated, please use /proc/676/oom_score_adj instead.
udev: starting version 141
Root filesystem already rw, not remounting
Caching udev devnodes
Populating dev cachemv: cannot rename '/tmp/devices': No such file or directory
NET: Registered protocol family 10
logger: mount: mount point /proc/bus/usb does not exist
ALSA: Restoring mixer settings...
NOT configuring network interfaces: / is an NFS mount
Found hardware: "" "" "" "" ""
Hardware is initialized using a generic method
/usr/sbin/alsactl: set_control:1267: failed to obtain info for control #3 (No such file or directory)
/usr/sbin/alsactl: set_control:1267: failed to obtain info for control #4 (No such file or directory)
/usr/sbin/alsactl: set_control:1267: failed to obtain info for control #5 (No such file or directory)
/usr/sbin/alsactl: set_control:1267: failed to obtain info for control #6 (No such file or directory)
/usr/sbin/alsactl: set_control:1267: failed to obtain info for control #7 (No such file or directory)
/usr/sbin/alsactl: set_control:1267: failed to obtain info for control #8 (No such file or directory)
/usr/sbin/alsactl: set_control:1267: failed to obtain info for control #9 (No such file or directory)
Fri Dec 23 12:42:00 UTC 2011
INIT: Entering runlevel: 5
Starting system message bus: dbus.
Starting Dropbear SSH server: dropbear.
Starting telnet daemon.
Starting network benchmark server: netserver.
Starting syslogd/klogd: done
Starting thttpd.
CMEMK module: built on Dec 23 2011 at 12:04:44
Reference Linux version 2.6.37
File /datalocal/DVSDK43_HPDL380G7/arago-tmp/work/da850-omapl138-evm-arago-linux-gnueabi/ti-linuxutils-1_2_26_02_05-r57d/linuxutils_2_26_02_05/packages/ti/sdo/linuxutils/cmem/src/module/cmemk.c
allocated heap buffer 0xc3000000 of size 0x1200000
heap fallback enabled - will try heap if pool buffer is not available
cmemk initialized
DSPLINK Module (1.65.01.05_eng) created on Date: Dec 23 2011 Time: 12:07:46
I don't know why ioctl(fd,VIDOC_S_STD,&id) return -1 ?
ioctl(fd,VIDOC_S_STD,&id) run failed !
I connected a camera to the TMDXEVMOMAPL138's vpif video input that is PAL composite video .
