| Message ID | 20200928122741.17884-1-pawell@cadence.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | Introduced new Cadence USBSSP DRD Driver. | expand |
On 20-09-28 14:27:33, Pawel Laszczak wrote: > This patch introduce new Cadence USBSS DRD driver to linux kernel. > > The Cadence USBSS DRD Controller is a highly configurable IP Core which > can be instantiated as Dual-Role Device (DRD), Peripheral Only and > Host Only (XHCI)configurations. > > The current driver has been validated with FPGA burned. We have support > for PCIe bus, which is used on FPGA prototyping. > > The host side of USBSS-DRD controller is compliance with XHCI > specification, so it works with standard XHCI Linux driver. > > The host side of USBSS DRD controller is compliant with XHCI. The device side? > The architecture for device side is almost the same as for host side, > and most of the XHCI specification can be used to understand how > this controller operates. > > This controller and driver support Full Speed, Hight Speed, Supper Speed > and Supper Speed Plus USB protocol. > > The prefix cdnsp used in driver has chosen by analogy to cdn3 driver. > The last letter of this acronym means PLUS. The formal name of controller > is USBSSP but it's to generic so I've decided to use CDNSP. > > The patch 1: adds support for DRD CDNSP. > The patch 2: separates common code that can be reusable by cdnsp driver. > The patch 3: moves reusable code to separate module. > The patch 4: changes prefixes in reusable code frome cdns3 to common cdns. > The patch 5: adopts gadget_dev pointer in cdns structure to make possible > use it in both drivers. > The patches 6-8: add the main part of driver and has been intentionally > split into 3 part. In my opinion such division should not > affect understanding and reviewing the driver, and cause that > main patch (7/8) is little smaller. Patch 6 introduces main > header file for driver, 7 is the main part that implements all > functionality of driver and 8 introduces tracepoints. > > --- > > Pawel Laszczak (7): > usb: cdns3: Add support for DRD CDNSP > usb: cdns3: Split core.c into cdns3-plat and core.c file > usb: cdns3: Moves reusable code to separate module > usb: cdns3: Refactoring names in reusable code > usb: cdns3: Changed type of gadget_dev in cdns structure > usb: cdnsp: Device side header file for CDNSP driver > usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver > usb: cdnsp: Add tracepoints for CDNSP driver > > drivers/usb/Kconfig | 1 + > drivers/usb/Makefile | 1 + > drivers/usb/cdns3/Kconfig | 8 + > drivers/usb/cdns3/Makefile | 8 +- > drivers/usb/cdns3/cdns3-plat.c | 209 +++ > drivers/usb/cdns3/core.c | 336 ++-- > drivers/usb/cdns3/core.h | 51 +- > drivers/usb/cdns3/drd.c | 219 ++- > drivers/usb/cdns3/drd.h | 93 +- > drivers/usb/cdns3/gadget-export.h | 26 +- > drivers/usb/cdns3/gadget.c | 29 +- > drivers/usb/cdns3/host-export.h | 10 +- > drivers/usb/cdns3/host.c | 23 +- > drivers/usb/cdnsp/Kconfig | 40 + > drivers/usb/cdnsp/Makefile | 12 + > drivers/usb/cdnsp/cdnsp-pci.c | 247 +++ > drivers/usb/cdnsp/debug.h | 583 +++++++ > drivers/usb/cdnsp/ep0.c | 500 ++++++ > drivers/usb/cdnsp/gadget.c | 2009 ++++++++++++++++++++++++ > drivers/usb/cdnsp/gadget.h | 1598 +++++++++++++++++++ > drivers/usb/cdnsp/mem.c | 1326 ++++++++++++++++ > drivers/usb/cdnsp/ring.c | 2426 +++++++++++++++++++++++++++++ > drivers/usb/cdnsp/trace.c | 12 + > drivers/usb/cdnsp/trace.h | 840 ++++++++++ > 24 files changed, 10228 insertions(+), 379 deletions(-) > create mode 100644 drivers/usb/cdns3/cdns3-plat.c > create mode 100644 drivers/usb/cdnsp/Kconfig > create mode 100644 drivers/usb/cdnsp/Makefile > create mode 100644 drivers/usb/cdnsp/cdnsp-pci.c > create mode 100644 drivers/usb/cdnsp/debug.h > create mode 100644 drivers/usb/cdnsp/ep0.c > create mode 100644 drivers/usb/cdnsp/gadget.c > create mode 100644 drivers/usb/cdnsp/gadget.h > create mode 100644 drivers/usb/cdnsp/mem.c > create mode 100644 drivers/usb/cdnsp/ring.c > create mode 100644 drivers/usb/cdnsp/trace.c > create mode 100644 drivers/usb/cdnsp/trace.h > > -- > 2.17.1 >
>On 20-09-28 14:27:33, Pawel Laszczak wrote: >> This patch introduce new Cadence USBSS DRD driver to linux kernel. >> >> The Cadence USBSS DRD Controller is a highly configurable IP Core which >> can be instantiated as Dual-Role Device (DRD), Peripheral Only and >> Host Only (XHCI)configurations. >> >> The current driver has been validated with FPGA burned. We have support >> for PCIe bus, which is used on FPGA prototyping. >> >> The host side of USBSS-DRD controller is compliance with XHCI >> specification, so it works with standard XHCI Linux driver. >> >> The host side of USBSS DRD controller is compliant with XHCI. > >The device side? Yes, it should be device side. Thanks > >> The architecture for device side is almost the same as for host side, >> and most of the XHCI specification can be used to understand how >> this controller operates. >> >> This controller and driver support Full Speed, Hight Speed, Supper Speed >> and Supper Speed Plus USB protocol. >> >> The prefix cdnsp used in driver has chosen by analogy to cdn3 driver. >> The last letter of this acronym means PLUS. The formal name of controller >> is USBSSP but it's to generic so I've decided to use CDNSP. >> >> The patch 1: adds support for DRD CDNSP. >> The patch 2: separates common code that can be reusable by cdnsp driver. >> The patch 3: moves reusable code to separate module. >> The patch 4: changes prefixes in reusable code frome cdns3 to common cdns. >> The patch 5: adopts gadget_dev pointer in cdns structure to make possible >> use it in both drivers. >> The patches 6-8: add the main part of driver and has been intentionally >> split into 3 part. In my opinion such division should not >> affect understanding and reviewing the driver, and cause that >> main patch (7/8) is little smaller. Patch 6 introduces main >> header file for driver, 7 is the main part that implements all >> functionality of driver and 8 introduces tracepoints. >> >> --- >> >> Pawel Laszczak (7): >> usb: cdns3: Add support for DRD CDNSP >> usb: cdns3: Split core.c into cdns3-plat and core.c file >> usb: cdns3: Moves reusable code to separate module >> usb: cdns3: Refactoring names in reusable code >> usb: cdns3: Changed type of gadget_dev in cdns structure >> usb: cdnsp: Device side header file for CDNSP driver >> usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver >> usb: cdnsp: Add tracepoints for CDNSP driver >> >> drivers/usb/Kconfig | 1 + >> drivers/usb/Makefile | 1 + >> drivers/usb/cdns3/Kconfig | 8 + >> drivers/usb/cdns3/Makefile | 8 +- >> drivers/usb/cdns3/cdns3-plat.c | 209 +++ >> drivers/usb/cdns3/core.c | 336 ++-- >> drivers/usb/cdns3/core.h | 51 +- >> drivers/usb/cdns3/drd.c | 219 ++- >> drivers/usb/cdns3/drd.h | 93 +- >> drivers/usb/cdns3/gadget-export.h | 26 +- >> drivers/usb/cdns3/gadget.c | 29 +- >> drivers/usb/cdns3/host-export.h | 10 +- >> drivers/usb/cdns3/host.c | 23 +- >> drivers/usb/cdnsp/Kconfig | 40 + >> drivers/usb/cdnsp/Makefile | 12 + >> drivers/usb/cdnsp/cdnsp-pci.c | 247 +++ >> drivers/usb/cdnsp/debug.h | 583 +++++++ >> drivers/usb/cdnsp/ep0.c | 500 ++++++ >> drivers/usb/cdnsp/gadget.c | 2009 ++++++++++++++++++++++++ >> drivers/usb/cdnsp/gadget.h | 1598 +++++++++++++++++++ >> drivers/usb/cdnsp/mem.c | 1326 ++++++++++++++++ >> drivers/usb/cdnsp/ring.c | 2426 +++++++++++++++++++++++++++++ >> drivers/usb/cdnsp/trace.c | 12 + >> drivers/usb/cdnsp/trace.h | 840 ++++++++++ >> 24 files changed, 10228 insertions(+), 379 deletions(-) >> create mode 100644 drivers/usb/cdns3/cdns3-plat.c >> create mode 100644 drivers/usb/cdnsp/Kconfig >> create mode 100644 drivers/usb/cdnsp/Makefile >> create mode 100644 drivers/usb/cdnsp/cdnsp-pci.c >> create mode 100644 drivers/usb/cdnsp/debug.h >> create mode 100644 drivers/usb/cdnsp/ep0.c >> create mode 100644 drivers/usb/cdnsp/gadget.c >> create mode 100644 drivers/usb/cdnsp/gadget.h >> create mode 100644 drivers/usb/cdnsp/mem.c >> create mode 100644 drivers/usb/cdnsp/ring.c >> create mode 100644 drivers/usb/cdnsp/trace.c >> create mode 100644 drivers/usb/cdnsp/trace.h >> >> -- >> 2.17.1 >> > >-- > >Thanks, >Peter Chen
This patch introduce new Cadence USBSS DRD driver to linux kernel. The Cadence USBSS DRD Controller is a highly configurable IP Core which can be instantiated as Dual-Role Device (DRD), Peripheral Only and Host Only (XHCI)configurations. The current driver has been validated with FPGA burned. We have support for PCIe bus, which is used on FPGA prototyping. The host side of USBSS-DRD controller is compliance with XHCI specification, so it works with standard XHCI Linux driver. The host side of USBSS DRD controller is compliant with XHCI. The architecture for device side is almost the same as for host side, and most of the XHCI specification can be used to understand how this controller operates. This controller and driver support Full Speed, Hight Speed, Supper Speed and Supper Speed Plus USB protocol. The prefix cdnsp used in driver has chosen by analogy to cdn3 driver. The last letter of this acronym means PLUS. The formal name of controller is USBSSP but it's to generic so I've decided to use CDNSP. The patch 1: adds support for DRD CDNSP. The patch 2: separates common code that can be reusable by cdnsp driver. The patch 3: moves reusable code to separate module. The patch 4: changes prefixes in reusable code frome cdns3 to common cdns. The patch 5: adopts gadget_dev pointer in cdns structure to make possible use it in both drivers. The patches 6-8: add the main part of driver and has been intentionally split into 3 part. In my opinion such division should not affect understanding and reviewing the driver, and cause that main patch (7/8) is little smaller. Patch 6 introduces main header file for driver, 7 is the main part that implements all functionality of driver and 8 introduces tracepoints. --- Pawel Laszczak (7): usb: cdns3: Add support for DRD CDNSP usb: cdns3: Split core.c into cdns3-plat and core.c file usb: cdns3: Moves reusable code to separate module usb: cdns3: Refactoring names in reusable code usb: cdns3: Changed type of gadget_dev in cdns structure usb: cdnsp: Device side header file for CDNSP driver usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver usb: cdnsp: Add tracepoints for CDNSP driver drivers/usb/Kconfig | 1 + drivers/usb/Makefile | 1 + drivers/usb/cdns3/Kconfig | 8 + drivers/usb/cdns3/Makefile | 8 +- drivers/usb/cdns3/cdns3-plat.c | 209 +++ drivers/usb/cdns3/core.c | 336 ++-- drivers/usb/cdns3/core.h | 51 +- drivers/usb/cdns3/drd.c | 219 ++- drivers/usb/cdns3/drd.h | 93 +- drivers/usb/cdns3/gadget-export.h | 26 +- drivers/usb/cdns3/gadget.c | 29 +- drivers/usb/cdns3/host-export.h | 10 +- drivers/usb/cdns3/host.c | 23 +- drivers/usb/cdnsp/Kconfig | 40 + drivers/usb/cdnsp/Makefile | 12 + drivers/usb/cdnsp/cdnsp-pci.c | 247 +++ drivers/usb/cdnsp/debug.h | 583 +++++++ drivers/usb/cdnsp/ep0.c | 500 ++++++ drivers/usb/cdnsp/gadget.c | 2009 ++++++++++++++++++++++++ drivers/usb/cdnsp/gadget.h | 1598 +++++++++++++++++++ drivers/usb/cdnsp/mem.c | 1326 ++++++++++++++++ drivers/usb/cdnsp/ring.c | 2426 +++++++++++++++++++++++++++++ drivers/usb/cdnsp/trace.c | 12 + drivers/usb/cdnsp/trace.h | 840 ++++++++++ 24 files changed, 10228 insertions(+), 379 deletions(-) create mode 100644 drivers/usb/cdns3/cdns3-plat.c create mode 100644 drivers/usb/cdnsp/Kconfig create mode 100644 drivers/usb/cdnsp/Makefile create mode 100644 drivers/usb/cdnsp/cdnsp-pci.c create mode 100644 drivers/usb/cdnsp/debug.h create mode 100644 drivers/usb/cdnsp/ep0.c create mode 100644 drivers/usb/cdnsp/gadget.c create mode 100644 drivers/usb/cdnsp/gadget.h create mode 100644 drivers/usb/cdnsp/mem.c create mode 100644 drivers/usb/cdnsp/ring.c create mode 100644 drivers/usb/cdnsp/trace.c create mode 100644 drivers/usb/cdnsp/trace.h