From 72246da40f3719af3bfd104a2365b32537c27d83 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Fri, 19 Aug 2011 18:10:58 +0300 Subject: usb: Introduce DesignWare USB3 DRD Driver The DesignWare USB3 is a highly configurable IP Core which can be instantiated as Dual-Role Device (DRD), Peripheral Only and Host Only (XHCI) configurations. Several other parameters can be configured like amount of FIFO space, amount of TX and RX endpoints, amount of Host Interrupters, etc. The current driver has been validated with a virtual model of version 1.73a of that core and with an FPGA burned with version 1.83a of the DRD core. We have support for PCIe bus, which is used on FPGA prototyping, and for the OMAP5, more adaptation (or glue) layers can be easily added and the driver is half prepared to handle any possible configuration the HW engineer has chosen considering we have the information on one of the GHWPARAMS registers to do runtime checking of certain features. More runtime checks can, and should, be added in order to make this driver even more flexible with regards to number of endpoints, FIFO sizes, transfer types, etc. While this supports only the device side, for now, we will add support for Host side (xHCI - see the updated series Sebastian has sent [1]) and OTG after we have it all stabilized. [1] http://marc.info/?l=linux-usb&m=131341992020339&w=2 Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/debug.h | 51 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 drivers/usb/dwc3/debug.h (limited to 'drivers/usb/dwc3/debug.h') diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h new file mode 100644 index 000000000000..ee3ba7346765 --- /dev/null +++ b/drivers/usb/dwc3/debug.h @@ -0,0 +1,51 @@ +/** + * debug.h - DesignWare USB3 DRD Controller Debug Header + * + * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com + * All rights reserved. + * + * Authors: Felipe Balbi , + * Sebastian Andrzej Siewior + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The names of the above-listed copyright holders may not be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2, as published by the Free + * Software Foundation. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "core.h" + +#ifdef CONFIG_DEBUG_FS +extern int dwc3_debugfs_init(struct dwc3 *); +extern void dwc3_debugfs_exit(struct dwc3 *); +#else +static inline int dwc3_debugfs_init(struct dwc3 *d) +{ return 0; } +static inline void dwc3_debugfs_exit(struct dwc3 *d) +{ } +#endif + -- cgit v1.2.3 From 49a25cc9a7effe2993e65229c2ea0be726919bcf Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Fri, 30 Sep 2011 10:58:41 +0300 Subject: usb: dwc: remove "All rights reserved" statement. Some people think that this line is not compatible with the GPL. The statement was required due to the Buenos Aires Convention and is now deprecated. I remove it because it is said that it is pointless nowdays. Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/core.c | 1 - drivers/usb/dwc3/core.h | 1 - drivers/usb/dwc3/debug.h | 1 - drivers/usb/dwc3/debugfs.c | 1 - drivers/usb/dwc3/dwc3-omap.c | 1 - drivers/usb/dwc3/dwc3-pci.c | 1 - drivers/usb/dwc3/ep0.c | 1 - drivers/usb/dwc3/gadget.c | 1 - drivers/usb/dwc3/gadget.h | 1 - drivers/usb/dwc3/io.h | 1 - 10 files changed, 10 deletions(-) (limited to 'drivers/usb/dwc3/debug.h') diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 64ba0979a349..cfb074548124 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -2,7 +2,6 @@ * core.c - DesignWare USB3 DRD Controller Core file * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 07d20186e46d..0231eba1f53d 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -2,7 +2,6 @@ * core.h - DesignWare USB3 DRD Core Header * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index ee3ba7346765..5894ee8222af 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -2,7 +2,6 @@ * debug.h - DesignWare USB3 DRD Controller Debug Header * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 20d329f23408..da1ad77d8d51 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -2,7 +2,6 @@ * debugfs.c - DesignWare USB3 DRD Controller DebugFS file * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 72cc92b3da02..64ce3fcf2ec4 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -2,7 +2,6 @@ * dwc3-omap.c - OMAP Specific Glue layer * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index e3b77d2dc034..f77c00042685 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -2,7 +2,6 @@ * dwc3-pci.c - PCI Specific glue layer * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 2d5725eed13c..cc27c4ec498d 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -2,7 +2,6 @@ * ep0.c - DesignWare USB3 DRD Controller Endpoint 0 Handling * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 859257a3d634..b2820aa9fa46 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2,7 +2,6 @@ * gadget.c - DesignWare USB3 DRD Controller Gadget Framework Link * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 4809ac8d9a79..b025651e0138 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -2,7 +2,6 @@ * gadget.h - DesignWare USB3 DRD Gadget Header * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior diff --git a/drivers/usb/dwc3/io.h b/drivers/usb/dwc3/io.h index 0c4e2a9b0b8c..bc957db1ea4b 100644 --- a/drivers/usb/dwc3/io.h +++ b/drivers/usb/dwc3/io.h @@ -2,7 +2,6 @@ * io.h - DesignWare USB3 DRD IO Header * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * All rights reserved. * * Authors: Felipe Balbi , * Sebastian Andrzej Siewior -- cgit v1.2.3