Hi, On Sun, Dec 23, 2012 at 09:10:24PM +0100, Sebastian Andrzej Siewior wrote: > |# modprobe dummy_hcd num=2 > |# modprobe libcomposite > > |# lsmod > |Module Size Used by > |libcomposite 31648 0 > |dummy_hcd 19871 0 > > |# mkdir /sys/kernel/config/usb_gadget/oha > |# cd /sys/kernel/config/usb_gadget/oha > |# mkdir configs/def.1 > |# mkdir configs/def.2 > |# mkdir functions/acm.ttyS1 > |# mkdir strings/0x1 > |mkdir: cannot create directory `strings/0x1': Invalid argument > |# mkdir strings/0x409 > |# mkdir strings/1033 > |mkdir: cannot create directory `strings/1033': File exists > |# mkdir strings/1032 > |# mkdir configs/def.1/strings/0x409 > |# mkdir configs/def.2/strings/0x409 > > |#find . -ls > | 975 0 drwxr-xr-x 5 root root 0 Dec 23 17:40 . > | 978 0 drwxr-xr-x 4 root root 0 Dec 23 17:43 ./strings > | 4100 0 drwxr-xr-x 2 root root 0 Dec 23 17:43 ./strings/1032 > | 995 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./strings/1032/serialnumber > | 996 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./strings/1032/product > | 997 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./strings/1032/manufacturer > | 2002 0 drwxr-xr-x 2 root root 0 Dec 23 17:41 ./strings/0x409 > | 998 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./strings/0x409/serialnumber > | 999 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./strings/0x409/product > | 1000 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./strings/0x409/manufacturer > | 977 0 drwxr-xr-x 4 root root 0 Dec 23 17:41 ./configs > | 4081 0 drwxr-xr-x 3 root root 0 Dec 23 17:41 ./configs/def.2 > | 4082 0 drwxr-xr-x 3 root root 0 Dec 23 17:42 ./configs/def.2/strings > | 2016 0 drwxr-xr-x 2 root root 0 Dec 23 17:42 ./configs/def.2/strings/0x409 > | 1001 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./configs/def.2/strings/0x409/configuration > | 1002 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./configs/def.2/bmAttributes > | 1003 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./configs/def.2/MaxPower > | 979 0 drwxr-xr-x 3 root root 0 Dec 23 17:42 ./configs/def.1 > | 980 0 drwxr-xr-x 3 root root 0 Dec 23 17:42 ./configs/def.1/strings > | 5122 0 drwxr-xr-x 2 root root 0 Dec 23 17:42 ./configs/def.1/strings/0x409 > | 1004 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./configs/def.1/strings/0x409/configuration > | 1005 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./configs/def.1/bmAttributes > | 1006 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./configs/def.1/MaxPower > | 976 0 drwxr-xr-x 3 root root 0 Dec 23 17:41 ./functions > | 981 0 drwxr-xr-x 2 root root 0 Dec 23 17:41 ./functions/acm.ttyS1 > | 1007 0 -r--r--r-- 1 root root 4096 Dec 23 17:43 ./functions/acm.ttyS1/port_num > | 1008 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./UDC > | 1009 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./bcdUSB > | 1010 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./bcdDevice > | 1011 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./idProduct > | 1012 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./idVendor > | 1013 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./bMaxPacketSize0 > | 1014 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./bDeviceProtocol > | 1015 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./bDeviceSubClass > | 1016 0 -rw-r--r-- 1 root root 4096 Dec 23 17:43 ./bDeviceClass > > |# cat functions/acm.ttyS1/port_num > |0 > |# ls -lah /dev/ttyGS* > |crw-rw---T 1 root dialout 252, 0 Dec 23 17:41 /dev/ttyGS0 > | > |# echo 0x1234 > idProduct > |# echo 0xabcd > idVendor > |# echo 1122 > strings/0x409/serialnumber > |# echo "The manufacturer" > strings/0x409/manufacturer > |# echo 1 > strings/1032/manufacturer > |# echo 1sa > strings/1032/product > |# echo tada > strings/1032/serialnumber > |echo "Primary configuration" > configs/def.1/strings/0x409/configuration > |# echo "Secondary configuration" > configs/def.2/strings/0x409/configuration > |# ln -s functions/acm.ttyS1 configs/def.1/ > |# ln -s functions/acm.ttyS1 configs/def.2/ > |find configs/def.1/ -ls > | 979 0 drwxr-xr-x 3 root root 0 Dec 23 17:49 configs/def.1/ > | 6264 0 lrwxrwxrwx 1 root root 0 Dec 23 17:48 configs/def.1/acm.ttyS1 -> ../../../../usb_gadget/oha/functions/acm.ttyS1 > | 980 0 drwxr-xr-x 3 root root 0 Dec 23 17:42 configs/def.1/strings > | 5122 0 drwxr-xr-x 2 root root 0 Dec 23 17:49 configs/def.1/strings/0x409 > | 6284 0 -rw-r--r-- 1 root root 4096 Dec 23 17:47 configs/def.1/strings/0x409/configuration > | 6285 0 -rw-r--r-- 1 root root 4096 Dec 23 17:49 configs/def.1/bmAttributes > | 6286 0 -rw-r--r-- 1 root root 4096 Dec 23 17:49 configs/def.1/MaxPower > | > |echo 120 > configs/def.1/MaxPower > | > |# ls -lh /sys/class/udc/ > |total 0 > |lrwxrwxrwx 1 root root 0 Dec 23 17:50 dummy_udc.0 -> ../../devices/platform/dummy_udc.0/udc/dummy_udc.0 > |lrwxrwxrwx 1 root root 0 Dec 23 17:50 dummy_udc.1 -> ../../devices/platform/dummy_udc.1/udc/dummy_udc.1 > |# echo dummy_udc.0 > UDC > |# lsusb > |Bus 001 Device 002: ID abcd:1234 Unknown > | > |lsusb -d abcd:1234 -v > |Device Descriptor: > … > | idVendor 0xabcd Unknown > | idProduct 0x1234 > | bcdDevice 3.06 > | iManufacturer 1 The manufacturer > | iProduct 2 > | iSerial 3 1122 > | bNumConfigurations 2 > … > |echo "" > UDC > > v5…v6 > - wired up strings with usb_gstrings_attach() > - add UDC attribe. Write "udc-name" will bind the gadget. Write an empty > string (it should contain \n since 0 bytes write get optimzed away) > will unbind the UDC from the gadget. The name of available UDCs can be > obtained from /sys/class/udc/ > > v4…v5 > - string rework. This will add a strings folder incl. language code like > strings/409/manufacturer > as suggested by Alan. > - rebased ontop reworked functions.c which has usb_function_instance > which is used prior after "mkdir acm.instance" and can be directly > used for configuration via configfs. > > v3…v4 > - moved functions from the root folde down to the gadget as suggested > by Michał > - configs have now their own configs folder as suggested by Michał. > The folder is still name.bConfigurationValue where name becomes the > sConfiguration. Is this usefull should we just stilc > configs/bConfigurationValue/ ? > - added configfs support to the ACM function. The port_num attribute is > exported by f_acm. An argument has been added to the USB alloc > function to distinguish between "old" (use facm_configure() to > configure and configfs interface (expose a config_node). > The port_num is currently a dumb counter. It will > require some function re-work to make it work. > > scheduled for v5: > - sym linking function into config. > > v2…v3 > - replaced one ifndef by ifdef as suggested by Micahał > - strstr()/strchr() function_make as suggested by Micahł > - replace [iSerialNumber|iProduct|iManufacturer] with > [sSerialNumber|sProduct|sManufacturer] as suggested by Alan > - added creation of config descriptors > > v1…v2 > - moved gadgets from configfs' root directory into /udcs/ within our > "usb_gadget" folder. Requested by Andrzej & Michał > - use a dot as a delimiter between function's name and its instance's name > as suggested by Michał > - renamed all config_item_type, configfs_group_operations, make_group, > drop_item as suggested by suggested by Andrzej to remain consisten > within this file and within other configfs users > - Since configfs.c and functions.c are now part of the udc-core module, > the module itself is now called udc. Also added a tiny ifdef around > init code becuase udc-core is subsys init and this is too early for > configfs in the built-in case. In the module case, we can only have > one init function. > > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> since some of the previous patches didn't apply, I'm leving this one out too just to avoid problems. After you refresh your patches, this one will go in too. cheers -- balbi
Attachment:
signature.asc
Description: Digital signature
