diff options
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/Kconfig | 120 | ||||
| -rw-r--r-- | drivers/usb/dwc3/debug.c | 32 | ||||
| -rw-r--r-- | drivers/usb/dwc3/debug.h | 228 | ||||
| -rw-r--r-- | drivers/usb/dwc3/debugfs.c | 690 | ||||
| -rw-r--r-- | drivers/usb/dwc3/dwc3-exynos.c | 301 | ||||
| -rw-r--r-- | drivers/usb/dwc3/dwc3-keystone.c | 197 | ||||
| -rw-r--r-- | drivers/usb/dwc3/dwc3-pci.c | 272 | ||||
| -rw-r--r-- | drivers/usb/dwc3/dwc3-qcom.c | 130 | ||||
| -rw-r--r-- | drivers/usb/dwc3/dwc3-st.c | 367 | ||||
| -rw-r--r-- | drivers/usb/dwc3/host.c | 91 | ||||
| -rw-r--r-- | drivers/usb/dwc3/platform_data.h | 47 | ||||
| -rw-r--r-- | drivers/usb/dwc3/trace.c | 19 | ||||
| -rw-r--r-- | drivers/usb/dwc3/trace.h | 247 |
13 files changed, 0 insertions, 2741 deletions
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig deleted file mode 100644 index 58b5b2c..0000000 --- a/drivers/usb/dwc3/Kconfig +++ /dev/null @@ -1,120 +0,0 @@ -config USB_DWC3 - tristate "DesignWare USB3 DRD Core Support" - depends on (USB || USB_GADGET) && HAS_DMA - select USB_XHCI_PLATFORM if USB_SUPPORT && USB_XHCI_HCD - help - Say Y or M here if your system has a Dual Role SuperSpeed - USB controller based on the DesignWare USB3 IP Core. - - If you choose to build this driver is a dynamically linked - module, the module will be called dwc3.ko. - -if USB_DWC3 - -choice - bool "DWC3 Mode Selection" - default USB_DWC3_DUAL_ROLE if (USB && USB_GADGET) - default USB_DWC3_HOST if (USB && !USB_GADGET) - default USB_DWC3_GADGET if (!USB && USB_GADGET) - -config USB_DWC3_HOST - bool "Host only mode" - depends on USB=y || USB=USB_DWC3 - help - Select this when you want to use DWC3 in host mode only, - thereby the gadget feature will be regressed. - -config USB_DWC3_GADGET - bool "Gadget only mode" - depends on USB_GADGET=y || USB_GADGET=USB_DWC3 - help - Select this when you want to use DWC3 in gadget mode only, - thereby the host feature will be regressed. - -config USB_DWC3_DUAL_ROLE - bool "Dual Role mode" - depends on ((USB=y || USB=USB_DWC3) && (USB_GADGET=y || USB_GADGET=USB_DWC3)) - help - This is the default mode of working of DWC3 controller where - both host and gadget features are enabled. - -endchoice - -comment "Platform Glue Driver Support" - -config USB_DWC3_OMAP - tristate "Texas Instruments OMAP5 and similar Platforms" - depends on EXTCON && (ARCH_OMAP2PLUS || COMPILE_TEST) - depends on OF - default USB_DWC3 - help - Some platforms from Texas Instruments like OMAP5, DRA7xxx and - AM437x use this IP for USB2/3 functionality. - - Say 'Y' or 'M' here if you have one such device - -config USB_DWC3_EXYNOS - tristate "Samsung Exynos Platform" - depends on ARCH_EXYNOS && OF || COMPILE_TEST - default USB_DWC3 - help - Recent Exynos5 SoCs ship with one DesignWare Core USB3 IP inside, - say 'Y' or 'M' if you have one such device. - -config USB_DWC3_PCI - tristate "PCIe-based Platforms" - depends on PCI - default USB_DWC3 - help - If you're using the DesignWare Core IP with a PCIe, please say - 'Y' or 'M' here. - - One such PCIe-based platform is Synopsys' PCIe HAPS model of - this IP. - -config USB_DWC3_KEYSTONE - tristate "Texas Instruments Keystone2 Platforms" - depends on ARCH_KEYSTONE || COMPILE_TEST - default USB_DWC3 - help - Support of USB2/3 functionality in TI Keystone2 platforms. - Say 'Y' or 'M' here if you have one such device - -config USB_DWC3_ST - tristate "STMicroelectronics Platforms" - depends on ARCH_STI && OF - default USB_DWC3 - help - STMicroelectronics SoCs with one DesignWare Core USB3 IP - inside (i.e. STiH407). - Say 'Y' or 'M' if you have one such device. - -config USB_DWC3_QCOM - tristate "Qualcomm Platforms" - depends on ARCH_QCOM || COMPILE_TEST - default USB_DWC3 - help - Recent Qualcomm SoCs ship with one DesignWare Core USB3 IP inside, - say 'Y' or 'M' if you have one such device. - -comment "Debugging features" - -config USB_DWC3_DEBUG - bool "Enable Debugging Messages" - help - Say Y here to enable debugging messages on DWC3 Driver. - -config USB_DWC3_VERBOSE - bool "Enable Verbose Debugging Messages" - depends on USB_DWC3_DEBUG - help - Say Y here to enable verbose debugging messages on DWC3 Driver. - -config DWC3_HOST_USB3_LPM_ENABLE - bool "Enable USB3 LPM Capability" - depends on USB_DWC3_HOST=y || USB_DWC3_DUAL_ROLE=y - default n - help - Select this when you want to enable USB3 LPM with dwc3 xhci host. - -endif diff --git a/drivers/usb/dwc3/debug.c b/drivers/usb/dwc3/debug.c deleted file mode 100644 index 0be6885..0000000 --- a/drivers/usb/dwc3/debug.c +++ /dev/null @@ -1,32 +0,0 @@ -/** - * debug.c - DesignWare USB3 DRD Controller Debug/Trace Support - * - * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com - * - * Author: Felipe Balbi <balbi@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include "debug.h" - -void dwc3_trace(void (*trace)(struct va_format *), const char *fmt, ...) -{ - struct va_format vaf; - va_list args; - - va_start(args, fmt); - vaf.fmt = fmt; - vaf.va = &args; - - trace(&vaf); - - va_end(args); -} diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h deleted file mode 100644 index 07fbc2d..0000000 --- a/drivers/usb/dwc3/debug.h +++ /dev/null @@ -1,228 +0,0 @@ -/** - * debug.h - DesignWare USB3 DRD Controller Debug Header - * - * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * - * Authors: Felipe Balbi <balbi@ti.com>, - * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __DWC3_DEBUG_H -#define __DWC3_DEBUG_H - -#include "core.h" - -/** - * dwc3_gadget_ep_cmd_string - returns endpoint command string - * @cmd: command code - */ -static inline const char * -dwc3_gadget_ep_cmd_string(u8 cmd) -{ - switch (cmd) { - case DWC3_DEPCMD_DEPSTARTCFG: - return "Start New Configuration"; - case DWC3_DEPCMD_ENDTRANSFER: - return "End Transfer"; - case DWC3_DEPCMD_UPDATETRANSFER: - return "Update Transfer"; - case DWC3_DEPCMD_STARTTRANSFER: - return "Start Transfer"; - case DWC3_DEPCMD_CLEARSTALL: - return "Clear Stall"; - case DWC3_DEPCMD_SETSTALL: - return "Set Stall"; - case DWC3_DEPCMD_GETEPSTATE: - return "Get Endpoint State"; - case DWC3_DEPCMD_SETTRANSFRESOURCE: - return "Set Endpoint Transfer Resource"; - case DWC3_DEPCMD_SETEPCONFIG: - return "Set Endpoint Configuration"; - default: - return "UNKNOWN command"; - } -} - -/** - * dwc3_gadget_generic_cmd_string - returns generic command string - * @cmd: command code - */ -static inline const char * -dwc3_gadget_generic_cmd_string(u8 cmd) -{ - switch (cmd) { - case DWC3_DGCMD_SET_LMP: - return "Set LMP"; - case DWC3_DGCMD_SET_PERIODIC_PAR: - return "Set Periodic Parameters"; - case DWC3_DGCMD_XMIT_FUNCTION: - return "Transmit Function Wake Device Notification"; - case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO: - return "Set Scratchpad Buffer Array Address Lo"; - case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI: - return "Set Scratchpad Buffer Array Address Hi"; - case DWC3_DGCMD_SELECTED_FIFO_FLUSH: - return "Selected FIFO Flush"; - case DWC3_DGCMD_ALL_FIFO_FLUSH: - return "All FIFO Flush"; - case DWC3_DGCMD_SET_ENDPOINT_NRDY: - return "Set Endpoint NRDY"; - case DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK: - return "Run SoC Bus Loopback Test"; - default: - return "UNKNOWN"; - } -} - -/** - * dwc3_gadget_link_string - returns link name - * @link_state: link state code - */ -static inline const char * -dwc3_gadget_link_string(enum dwc3_link_state link_state) -{ - switch (link_state) { - case DWC3_LINK_STATE_U0: - return "U0"; - case DWC3_LINK_STATE_U1: - return "U1"; - case DWC3_LINK_STATE_U2: - return "U2"; - case DWC3_LINK_STATE_U3: - return "U3"; - case DWC3_LINK_STATE_SS_DIS: - return "SS.Disabled"; - case DWC3_LINK_STATE_RX_DET: - return "RX.Detect"; - case DWC3_LINK_STATE_SS_INACT: - return "SS.Inactive"; - case DWC3_LINK_STATE_POLL: - return "Polling"; - case DWC3_LINK_STATE_RECOV: - return "Recovery"; - case DWC3_LINK_STATE_HRESET: - return "Hot Reset"; - case DWC3_LINK_STATE_CMPLY: - return "Compliance"; - case DWC3_LINK_STATE_LPBK: - return "Loopback"; - case DWC3_LINK_STATE_RESET: - return "Reset"; - case DWC3_LINK_STATE_RESUME: - return "Resume"; - default: - return "UNKNOWN link state\n"; - } -} - -/** - * dwc3_gadget_event_string - returns event name - * @event: the event code - */ -static inline const char *dwc3_gadget_event_string(u8 event) -{ - switch (event) { - case DWC3_DEVICE_EVENT_DISCONNECT: - return "Disconnect"; - case DWC3_DEVICE_EVENT_RESET: - return "Reset"; - case DWC3_DEVICE_EVENT_CONNECT_DONE: - return "Connection Done"; - case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE: - return "Link Status Change"; - case DWC3_DEVICE_EVENT_WAKEUP: - return "WakeUp"; - case DWC3_DEVICE_EVENT_EOPF: - return "End-Of-Frame"; - case DWC3_DEVICE_EVENT_SOF: - return "Start-Of-Frame"; - case DWC3_DEVICE_EVENT_ERRATIC_ERROR: - return "Erratic Error"; - case DWC3_DEVICE_EVENT_CMD_CMPL: - return "Command Complete"; - case DWC3_DEVICE_EVENT_OVERFLOW: - return "Overflow"; - } - - return "UNKNOWN"; -} - -/** - * dwc3_ep_event_string - returns event name - * @event: then event code - */ -static inline const char *dwc3_ep_event_string(u8 event) -{ - switch (event) { - case DWC3_DEPEVT_XFERCOMPLETE: - return "Transfer Complete"; - case DWC3_DEPEVT_XFERINPROGRESS: - return "Transfer In-Progress"; - case DWC3_DEPEVT_XFERNOTREADY: - return "Transfer Not Ready"; - case DWC3_DEPEVT_RXTXFIFOEVT: - return "FIFO"; - case DWC3_DEPEVT_STREAMEVT: - return "Stream"; - case DWC3_DEPEVT_EPCMDCMPLT: - return "Endpoint Command Complete"; - } - - return "UNKNOWN"; -} - -/** - * dwc3_gadget_event_type_string - return event name - * @event: the event code - */ -static inline const char *dwc3_gadget_event_type_string(u8 event) -{ - switch (event) { - case DWC3_DEVICE_EVENT_DISCONNECT: - return "Disconnect"; - case DWC3_DEVICE_EVENT_RESET: - return "Reset"; - case DWC3_DEVICE_EVENT_CONNECT_DONE: - return "Connect Done"; - case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE: - return "Link Status Change"; - case DWC3_DEVICE_EVENT_WAKEUP: - return "Wake-Up"; - case DWC3_DEVICE_EVENT_HIBER_REQ: - return "Hibernation"; - case DWC3_DEVICE_EVENT_EOPF: - return "End of Periodic Frame"; - case DWC3_DEVICE_EVENT_SOF: - return "Start of Frame"; - case DWC3_DEVICE_EVENT_ERRATIC_ERROR: - return "Erratic Error"; - case DWC3_DEVICE_EVENT_CMD_CMPL: - return "Command Complete"; - case DWC3_DEVICE_EVENT_OVERFLOW: - return "Overflow"; - default: - return "UNKNOWN"; - } -} - -void dwc3_trace(void (*trace)(struct va_format *), const char *fmt, ...); - -#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 -#endif /* __DWC3_DEBUG_H */ diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c deleted file mode 100644 index 9ac37fe..0000000 --- a/drivers/usb/dwc3/debugfs.c +++ /dev/null @@ -1,690 +0,0 @@ -/** - * debugfs.c - DesignWare USB3 DRD Controller DebugFS file - * - * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * - * Authors: Felipe Balbi <balbi@ti.com>, - * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/ptrace.h> -#include <linux/types.h> -#include <linux/spinlock.h> -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/delay.h> -#include <linux/uaccess.h> - -#include <linux/usb/ch9.h> - -#include "core.h" -#include "gadget.h" -#include "io.h" -#include "debug.h" - -#define dump_register(nm) \ -{ \ - .name = __stringify(nm), \ - .offset = DWC3_ ##nm - DWC3_GLOBALS_REGS_START, \ -} - -static const struct debugfs_reg32 dwc3_regs[] = { - dump_register(GSBUSCFG0), - dump_register(GSBUSCFG1), - dump_register(GTXTHRCFG), - dump_register(GRXTHRCFG), - dump_register(GCTL), - dump_register(GEVTEN), - dump_register(GSTS), - dump_register(GSNPSID), - dump_register(GGPIO), - dump_register(GUID), - dump_register(GUCTL), - dump_register(GBUSERRADDR0), - dump_register(GBUSERRADDR1), - dump_register(GPRTBIMAP0), - dump_register(GPRTBIMAP1), - dump_register(GHWPARAMS0), - dump_register(GHWPARAMS1), - dump_register(GHWPARAMS2), - dump_register(GHWPARAMS3), - dump_register(GHWPARAMS4), - dump_register(GHWPARAMS5), - dump_register(GHWPARAMS6), - dump_register(GHWPARAMS7), - dump_register(GDBGFIFOSPACE), - dump_register(GDBGLTSSM), - dump_register(GPRTBIMAP_HS0), - dump_register(GPRTBIMAP_HS1), - dump_register(GPRTBIMAP_FS0), - dump_register(GPRTBIMAP_FS1), - - dump_register(GUSB2PHYCFG(0)), - dump_register(GUSB2PHYCFG(1)), - dump_register(GUSB2PHYCFG(2)), - dump_register(GUSB2PHYCFG(3)), - dump_register(GUSB2PHYCFG(4)), - dump_register(GUSB2PHYCFG(5)), - dump_register(GUSB2PHYCFG(6)), - dump_register(GUSB2PHYCFG(7)), - dump_register(GUSB2PHYCFG(8)), - dump_register(GUSB2PHYCFG(9)), - dump_register(GUSB2PHYCFG(10)), - dump_register(GUSB2PHYCFG(11)), - dump_register(GUSB2PHYCFG(12)), - dump_register(GUSB2PHYCFG(13)), - dump_register(GUSB2PHYCFG(14)), - dump_register(GUSB2PHYCFG(15)), - - dump_register(GUSB2I2CCTL(0)), - dump_register(GUSB2I2CCTL(1)), - dump_register(GUSB2I2CCTL(2)), - dump_register(GUSB2I2CCTL(3)), - dump_register(GUSB2I2CCTL(4)), - dump_register(GUSB2I2CCTL(5)), - dump_register(GUSB2I2CCTL(6)), - dump_register(GUSB2I2CCTL(7)), - dump_register(GUSB2I2CCTL(8)), - dump_register(GUSB2I2CCTL(9)), - dump_register(GUSB2I2CCTL(10)), - dump_register(GUSB2I2CCTL(11)), - dump_register(GUSB2I2CCTL(12)), - dump_register(GUSB2I2CCTL(13)), - dump_register(GUSB2I2CCTL(14)), - dump_register(GUSB2I2CCTL(15)), - - dump_register(GUSB2PHYACC(0)), - dump_register(GUSB2PHYACC(1)), - dump_register(GUSB2PHYACC(2)), - dump_register(GUSB2PHYACC(3)), - dump_register(GUSB2PHYACC(4)), - dump_register(GUSB2PHYACC(5)), - dump_register(GUSB2PHYACC(6)), - dump_register(GUSB2PHYACC(7)), - dump_register(GUSB2PHYACC(8)), - dump_register(GUSB2PHYACC(9)), - dump_register(GUSB2PHYACC(10)), - dump_register(GUSB2PHYACC(11)), - dump_register(GUSB2PHYACC(12)), - dump_register(GUSB2PHYACC(13)), - dump_register(GUSB2PHYACC(14)), - dump_register(GUSB2PHYACC(15)), - - dump_register(GUSB3PIPECTL(0)), - dump_register(GUSB3PIPECTL(1)), - dump_register(GUSB3PIPECTL(2)), - dump_register(GUSB3PIPECTL(3)), - dump_register(GUSB3PIPECTL(4)), - dump_register(GUSB3PIPECTL(5)), - dump_register(GUSB3PIPECTL(6)), - dump_register(GUSB3PIPECTL(7)), - dump_register(GUSB3PIPECTL(8)), - dump_register(GUSB3PIPECTL(9)), - dump_register(GUSB3PIPECTL(10)), - dump_register(GUSB3PIPECTL(11)), - dump_register(GUSB3PIPECTL(12)), - dump_register(GUSB3PIPECTL(13)), - dump_register(GUSB3PIPECTL(14)), - dump_register(GUSB3PIPECTL(15)), - - dump_register(GTXFIFOSIZ(0)), - dump_register(GTXFIFOSIZ(1)), - dump_register(GTXFIFOSIZ(2)), - dump_register(GTXFIFOSIZ(3)), - dump_register(GTXFIFOSIZ(4)), - dump_register(GTXFIFOSIZ(5)), - dump_register(GTXFIFOSIZ(6)), - dump_register(GTXFIFOSIZ(7)), - dump_register(GTXFIFOSIZ(8)), - dump_register(GTXFIFOSIZ(9)), - dump_register(GTXFIFOSIZ(10)), - dump_register(GTXFIFOSIZ(11)), - dump_register(GTXFIFOSIZ(12)), - dump_register(GTXFIFOSIZ(13)), - dump_register(GTXFIFOSIZ(14)), - dump_register(GTXFIFOSIZ(15)), - dump_register(GTXFIFOSIZ(16)), - dump_register(GTXFIFOSIZ(17)), - dump_register(GTXFIFOSIZ(18)), - dump_register(GTXFIFOSIZ(19)), - dump_register(GTXFIFOSIZ(20)), - dump_register(GTXFIFOSIZ(21)), - dump_register(GTXFIFOSIZ(22)), - dump_register(GTXFIFOSIZ(23)), - dump_register(GTXFIFOSIZ(24)), - dump_register(GTXFIFOSIZ(25)), - dump_register(GTXFIFOSIZ(26)), - dump_register(GTXFIFOSIZ(27)), - dump_register(GTXFIFOSIZ(28)), - dump_register(GTXFIFOSIZ(29)), - dump_register(GTXFIFOSIZ(30)), - dump_register(GTXFIFOSIZ(31)), - - dump_register(GRXFIFOSIZ(0)), - dump_register(GRXFIFOSIZ(1)), - dump_register(GRXFIFOSIZ(2)), - dump_register(GRXFIFOSIZ(3)), - dump_register(GRXFIFOSIZ(4)), - dump_register(GRXFIFOSIZ(5)), - dump_register(GRXFIFOSIZ(6)), - dump_register(GRXFIFOSIZ(7)), - dump_register(GRXFIFOSIZ(8)), - dump_register(GRXFIFOSIZ(9)), - dump_register(GRXFIFOSIZ(10)), - dump_register(GRXFIFOSIZ(11)), - dump_register(GRXFIFOSIZ(12)), - dump_register(GRXFIFOSIZ(13)), - dump_register(GRXFIFOSIZ(14)), - dump_register(GRXFIFOSIZ(15)), - dump_register(GRXFIFOSIZ(16)), - dump_register(GRXFIFOSIZ(17)), - dump_register(GRXFIFOSIZ(18)), - dump_register(GRXFIFOSIZ(19)), - dump_register(GRXFIFOSIZ(20)), - dump_register(GRXFIFOSIZ(21)), - dump_register(GRXFIFOSIZ(22)), - dump_register(GRXFIFOSIZ(23)), - dump_register(GRXFIFOSIZ(24)), - dump_register(GRXFIFOSIZ(25)), - dump_register(GRXFIFOSIZ(26)), - dump_register(GRXFIFOSIZ(27)), - dump_register(GRXFIFOSIZ(28)), - dump_register(GRXFIFOSIZ(29)), - dump_register(GRXFIFOSIZ(30)), - dump_register(GRXFIFOSIZ(31)), - - dump_register(GEVNTADRLO(0)), - dump_register(GEVNTADRHI(0)), - dump_register(GEVNTSIZ(0)), - dump_register(GEVNTCOUNT(0)), - - dump_register(GHWPARAMS8), - dump_register(DCFG), - dump_register(DCTL), - dump_register(DEVTEN), - dump_register(DSTS), - dump_register(DGCMDPAR), - dump_register(DGCMD), - dump_register(DALEPENA), - - dump_register(DEPCMDPAR2(0)), - dump_register(DEPCMDPAR2(1)), - dump_register(DEPCMDPAR2(2)), - dump_register(DEPCMDPAR2(3)), - dump_register(DEPCMDPAR2(4)), - dump_register(DEPCMDPAR2(5)), - dump_register(DEPCMDPAR2(6)), - dump_register(DEPCMDPAR2(7)), - dump_register(DEPCMDPAR2(8)), - dump_register(DEPCMDPAR2(9)), - dump_register(DEPCMDPAR2(10)), - dump_register(DEPCMDPAR2(11)), - dump_register(DEPCMDPAR2(12)), - dump_register(DEPCMDPAR2(13)), - dump_register(DEPCMDPAR2(14)), - dump_register(DEPCMDPAR2(15)), - dump_register(DEPCMDPAR2(16)), - dump_register(DEPCMDPAR2(17)), - dump_register(DEPCMDPAR2(18)), - dump_register(DEPCMDPAR2(19)), - dump_register(DEPCMDPAR2(20)), - dump_register(DEPCMDPAR2(21)), - dump_register(DEPCMDPAR2(22)), - dump_register(DEPCMDPAR2(23)), - dump_register(DEPCMDPAR2(24)), - dump_register(DEPCMDPAR2(25)), - dump_register(DEPCMDPAR2(26)), - dump_register(DEPCMDPAR2(27)), - dump_register(DEPCMDPAR2(28)), - dump_register(DEPCMDPAR2(29)), - dump_register(DEPCMDPAR2(30)), - dump_register(DEPCMDPAR2(31)), - - dump_register(DEPCMDPAR1(0)), - dump_register(DEPCMDPAR1(1)), - dump_register(DEPCMDPAR1(2)), - dump_register(DEPCMDPAR1(3)), - dump_register(DEPCMDPAR1(4)), - dump_register(DEPCMDPAR1(5)), - dump_register(DEPCMDPAR1(6)), - dump_register(DEPCMDPAR1(7)), - dump_register(DEPCMDPAR1(8)), - dump_register(DEPCMDPAR1(9)), - dump_register(DEPCMDPAR1(10)), - dump_register(DEPCMDPAR1(11)), - dump_register(DEPCMDPAR1(12)), - dump_register(DEPCMDPAR1(13)), - dump_register(DEPCMDPAR1(14)), - dump_register(DEPCMDPAR1(15)), - dump_register(DEPCMDPAR1(16)), - dump_register(DEPCMDPAR1(17)), - dump_register(DEPCMDPAR1(18)), - dump_register(DEPCMDPAR1(19)), - dump_register(DEPCMDPAR1(20)), - dump_register(DEPCMDPAR1(21)), - dump_register(DEPCMDPAR1(22)), - dump_register(DEPCMDPAR1(23)), - dump_register(DEPCMDPAR1(24)), - dump_register(DEPCMDPAR1(25)), - dump_register(DEPCMDPAR1(26)), - dump_register(DEPCMDPAR1(27)), - dump_register(DEPCMDPAR1(28)), - dump_register(DEPCMDPAR1(29)), - dump_register(DEPCMDPAR1(30)), - dump_register(DEPCMDPAR1(31)), - - dump_register(DEPCMDPAR0(0)), - dump_register(DEPCMDPAR0(1)), - dump_register(DEPCMDPAR0(2)), - dump_register(DEPCMDPAR0(3)), - dump_register(DEPCMDPAR0(4)), - dump_register(DEPCMDPAR0(5)), - dump_register(DEPCMDPAR0(6)), - dump_register(DEPCMDPAR0(7)), - dump_register(DEPCMDPAR0(8)), - dump_register(DEPCMDPAR0(9)), - dump_register(DEPCMDPAR0(10)), - dump_register(DEPCMDPAR0(11)), - dump_register(DEPCMDPAR0(12)), - dump_register(DEPCMDPAR0(13)), - dump_register(DEPCMDPAR0(14)), - dump_register(DEPCMDPAR0(15)), - dump_register(DEPCMDPAR0(16)), - dump_register(DEPCMDPAR0(17)), - dump_register(DEPCMDPAR0(18)), - dump_register(DEPCMDPAR0(19)), - dump_register(DEPCMDPAR0(20)), - dump_register(DEPCMDPAR0(21)), - dump_register(DEPCMDPAR0(22)), - dump_register(DEPCMDPAR0(23)), - dump_register(DEPCMDPAR0(24)), - dump_register(DEPCMDPAR0(25)), - dump_register(DEPCMDPAR0(26)), - dump_register(DEPCMDPAR0(27)), - dump_register(DEPCMDPAR0(28)), - dump_register(DEPCMDPAR0(29)), - dump_register(DEPCMDPAR0(30)), - dump_register(DEPCMDPAR0(31)), - - dump_register(DEPCMD(0)), - dump_register(DEPCMD(1)), - dump_register(DEPCMD(2)), - dump_register(DEPCMD(3)), - dump_register(DEPCMD(4)), - dump_register(DEPCMD(5)), - dump_register(DEPCMD(6)), - dump_register(DEPCMD(7)), - dump_register(DEPCMD(8)), - dump_register(DEPCMD(9)), - dump_register(DEPCMD(10)), - dump_register(DEPCMD(11)), - dump_register(DEPCMD(12)), - dump_register(DEPCMD(13)), - dump_register(DEPCMD(14)), - dump_register(DEPCMD(15)), - dump_register(DEPCMD(16)), - dump_register(DEPCMD(17)), - dump_register(DEPCMD(18)), - dump_register(DEPCMD(19)), - dump_register(DEPCMD(20)), - dump_register(DEPCMD(21)), - dump_register(DEPCMD(22)), - dump_register(DEPCMD(23)), - dump_register(DEPCMD(24)), - dump_register(DEPCMD(25)), - dump_register(DEPCMD(26)), - dump_register(DEPCMD(27)), - dump_register(DEPCMD(28)), - dump_register(DEPCMD(29)), - dump_register(DEPCMD(30)), - dump_register(DEPCMD(31)), - - dump_register(OCFG), - dump_register(OCTL), - dump_register(OEVT), - dump_register(OEVTEN), - dump_register(OSTS), -}; - -static int dwc3_mode_show(struct seq_file *s, void *unused) -{ - struct dwc3 *dwc = s->private; - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&dwc->lock, flags); - reg = dwc3_readl(dwc->regs, DWC3_GCTL); - spin_unlock_irqrestore(&dwc->lock, flags); - - switch (DWC3_GCTL_PRTCAP(reg)) { - case DWC3_GCTL_PRTCAP_HOST: - seq_printf(s, "host\n"); - break; - case DWC3_GCTL_PRTCAP_DEVICE: - seq_printf(s, "device\n"); - break; - case DWC3_GCTL_PRTCAP_OTG: - seq_printf(s, "OTG\n"); - break; - default: - seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg)); - } - - return 0; -} - -static int dwc3_mode_open(struct inode *inode, struct file *file) -{ - return single_open(file, dwc3_mode_show, inode->i_private); -} - -static ssize_t dwc3_mode_write(struct file *file, - const char __user *ubuf, size_t count, loff_t *ppos) -{ - struct seq_file *s = file->private_data; - struct dwc3 *dwc = s->private; - unsigned long flags; - u32 mode = 0; - char buf[32]; - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - if (!strncmp(buf, "host", 4)) - mode |= DWC3_GCTL_PRTCAP_HOST; - - if (!strncmp(buf, "device", 6)) - mode |= DWC3_GCTL_PRTCAP_DEVICE; - - if (!strncmp(buf, "otg", 3)) - mode |= DWC3_GCTL_PRTCAP_OTG; - - if (mode) { - spin_lock_irqsave(&dwc->lock, flags); - dwc3_set_mode(dwc, mode); - spin_unlock_irqrestore(&dwc->lock, flags); - } - return count; -} - -static const struct file_operations dwc3_mode_fops = { - .open = dwc3_mode_open, - .write = dwc3_mode_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int dwc3_testmode_show(struct seq_file *s, void *unused) -{ - struct dwc3 *dwc = s->private; - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&dwc->lock, flags); - reg = dwc3_readl(dwc->regs, DWC3_DCTL); - reg &= DWC3_DCTL_TSTCTRL_MASK; - reg >>= 1; - spin_unlock_irqrestore(&dwc->lock, flags); - - switch (reg) { - case 0: - seq_printf(s, "no test\n"); - break; - case TEST_J: - seq_printf(s, "test_j\n"); - break; - case TEST_K: - seq_printf(s, "test_k\n"); - break; - case TEST_SE0_NAK: - seq_printf(s, "test_se0_nak\n"); - break; - case TEST_PACKET: - seq_printf(s, "test_packet\n"); - break; - case TEST_FORCE_EN: - seq_printf(s, "test_force_enable\n"); - break; - default: - seq_printf(s, "UNKNOWN %d\n", reg); - } - - return 0; -} - -static int dwc3_testmode_open(struct inode *inode, struct file *file) -{ - return single_open(file, dwc3_testmode_show, inode->i_private); -} - -static ssize_t dwc3_testmode_write(struct file *file, - const char __user *ubuf, size_t count, loff_t *ppos) -{ - struct seq_file *s = file->private_data; - struct dwc3 *dwc = s->private; - unsigned long flags; - u32 testmode = 0; - char buf[32]; - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - if (!strncmp(buf, "test_j", 6)) - testmode = TEST_J; - else if (!strncmp(buf, "test_k", 6)) - testmode = TEST_K; - else if (!strncmp(buf, "test_se0_nak", 12)) - testmode = TEST_SE0_NAK; - else if (!strncmp(buf, "test_packet", 11)) - testmode = TEST_PACKET; - else if (!strncmp(buf, "test_force_enable", 17)) - testmode = TEST_FORCE_EN; - else - testmode = 0; - - spin_lock_irqsave(&dwc->lock, flags); - dwc3_gadget_set_test_mode(dwc, testmode); - spin_unlock_irqrestore(&dwc->lock, flags); - - return count; -} - -static const struct file_operations dwc3_testmode_fops = { - .open = dwc3_testmode_open, - .write = dwc3_testmode_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int dwc3_link_state_show(struct seq_file *s, void *unused) -{ - struct dwc3 *dwc = s->private; - unsigned long flags; - enum dwc3_link_state state; - u32 reg; - - spin_lock_irqsave(&dwc->lock, flags); - reg = dwc3_readl(dwc->regs, DWC3_DSTS); - state = DWC3_DSTS_USBLNKST(reg); - spin_unlock_irqrestore(&dwc->lock, flags); - - switch (state) { - case DWC3_LINK_STATE_U0: - seq_printf(s, "U0\n"); - break; - case DWC3_LINK_STATE_U1: - seq_printf(s, "U1\n"); - break; - case DWC3_LINK_STATE_U2: - seq_printf(s, "U2\n"); - break; - case DWC3_LINK_STATE_U3: - seq_printf(s, "U3\n"); - break; - case DWC3_LINK_STATE_SS_DIS: - seq_printf(s, "SS.Disabled\n"); - break; - case DWC3_LINK_STATE_RX_DET: - seq_printf(s, "Rx.Detect\n"); - break; - case DWC3_LINK_STATE_SS_INACT: - seq_printf(s, "SS.Inactive\n"); - break; - case DWC3_LINK_STATE_POLL: - seq_printf(s, "Poll\n"); - break; - case DWC3_LINK_STATE_RECOV: - seq_printf(s, "Recovery\n"); - break; - case DWC3_LINK_STATE_HRESET: - seq_printf(s, "HRESET\n"); - break; - case DWC3_LINK_STATE_CMPLY: - seq_printf(s, "Compliance\n"); - break; - case DWC3_LINK_STATE_LPBK: - seq_printf(s, "Loopback\n"); - break; - case DWC3_LINK_STATE_RESET: - seq_printf(s, "Reset\n"); - break; - case DWC3_LINK_STATE_RESUME: - seq_printf(s, "Resume\n"); - break; - default: - seq_printf(s, "UNKNOWN %d\n", state); - } - - return 0; -} - -static int dwc3_link_state_open(struct inode *inode, struct file *file) -{ - return single_open(file, dwc3_link_state_show, inode->i_private); -} - -static ssize_t dwc3_link_state_write(struct file *file, - const char __user *ubuf, size_t count, loff_t *ppos) -{ - struct seq_file *s = file->private_data; - struct dwc3 *dwc = s->private; - unsigned long flags; - enum dwc3_link_state state = 0; - char buf[32]; - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) - return -EFAULT; - - if (!strncmp(buf, "SS.Disabled", 11)) - state = DWC3_LINK_STATE_SS_DIS; - else if (!strncmp(buf, "Rx.Detect", 9)) - state = DWC3_LINK_STATE_RX_DET; - else if (!strncmp(buf, "SS.Inactive", 11)) - state = DWC3_LINK_STATE_SS_INACT; - else if (!strncmp(buf, "Recovery", 8)) - state = DWC3_LINK_STATE_RECOV; - else if (!strncmp(buf, "Compliance", 10)) - state = DWC3_LINK_STATE_CMPLY; - else if (!strncmp(buf, "Loopback", 8)) - state = DWC3_LINK_STATE_LPBK; - else - return -EINVAL; - - spin_lock_irqsave(&dwc->lock, flags); - dwc3_gadget_set_link_state(dwc, state); - spin_unlock_irqrestore(&dwc->lock, flags); - - return count; -} - -static const struct file_operations dwc3_link_state_fops = { - .open = dwc3_link_state_open, - .write = dwc3_link_state_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -int dwc3_debugfs_init(struct dwc3 *dwc) -{ - struct dentry *root; - struct dentry *file; - int ret; - - root = debugfs_create_dir(dev_name(dwc->dev), NULL); - if (!root) { - ret = -ENOMEM; - goto err0; - } - - dwc->root = root; - - dwc->regset = kzalloc(sizeof(*dwc->regset), GFP_KERNEL); - if (!dwc->regset) { - ret = -ENOMEM; - goto err1; - } - - dwc->regset->regs = dwc3_regs; - dwc->regset->nregs = ARRAY_SIZE(dwc3_regs); - dwc->regset->base = dwc->regs; - - file = debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset); - if (!file) { - ret = -ENOMEM; - goto err1; - } - - if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)) { - file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root, - dwc, &dwc3_mode_fops); - if (!file) { - ret = -ENOMEM; - goto err1; - } - } - - if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) || - IS_ENABLED(CONFIG_USB_DWC3_GADGET)) { - file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, - dwc, &dwc3_testmode_fops); - if (!file) { - ret = -ENOMEM; - goto err1; - } - - file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, - dwc, &dwc3_link_state_fops); - if (!file) { - ret = -ENOMEM; - goto err1; - } - } - - return 0; - -err1: - debugfs_remove_recursive(root); - -err0: - return ret; -} - -void dwc3_debugfs_exit(struct dwc3 *dwc) -{ - debugfs_remove_recursive(dwc->root); - dwc->root = NULL; -} diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c deleted file mode 100644 index 7bd0a95..0000000 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ /dev/null @@ -1,301 +0,0 @@ -/** - * dwc3-exynos.c - Samsung EXYNOS DWC3 Specific Glue layer - * - * Copyright (c) 2012 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Author: Anton Tikhomirov <av.tikhomirov@samsung.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/clk.h> -#include <linux/usb/otg.h> -#include <linux/usb/usb_phy_generic.h> -#include <linux/of.h> -#include <linux/of_platform.h> -#include <linux/regulator/consumer.h> - -struct dwc3_exynos { - struct platform_device *usb2_phy; - struct platform_device *usb3_phy; - struct device *dev; - - struct clk *clk; - struct clk *susp_clk; - struct clk *axius_clk; - - struct regulator *vdd33; - struct regulator *vdd10; -}; - -static int dwc3_exynos_register_phys(struct dwc3_exynos *exynos) -{ - struct usb_phy_generic_platform_data pdata; - struct platform_device *pdev; - int ret; - - memset(&pdata, 0x00, sizeof(pdata)); - - pdev = platform_device_alloc("usb_phy_generic", PLATFORM_DEVID_AUTO); - if (!pdev) - return -ENOMEM; - - exynos->usb2_phy = pdev; - pdata.type = USB_PHY_TYPE_USB2; - pdata.gpio_reset = -1; - - ret = platform_device_add_data(exynos->usb2_phy, &pdata, sizeof(pdata)); - if (ret) - goto err1; - - pdev = platform_device_alloc("usb_phy_generic", PLATFORM_DEVID_AUTO); - if (!pdev) { - ret = -ENOMEM; - goto err1; - } - - exynos->usb3_phy = pdev; - pdata.type = USB_PHY_TYPE_USB3; - - ret = platform_device_add_data(exynos->usb3_phy, &pdata, sizeof(pdata)); - if (ret) - goto err2; - - ret = platform_device_add(exynos->usb2_phy); - if (ret) - goto err2; - - ret = platform_device_add(exynos->usb3_phy); - if (ret) - goto err3; - - return 0; - -err3: - platform_device_del(exynos->usb2_phy); - -err2: - platform_device_put(exynos->usb3_phy); - -err1: - platform_device_put(exynos->usb2_phy); - - return ret; -} - -static int dwc3_exynos_remove_child(struct device *dev, void *unused) -{ - struct platform_device *pdev = to_platform_device(dev); - - platform_device_unregister(pdev); - - return 0; -} - -static int dwc3_exynos_probe(struct platform_device *pdev) -{ - struct dwc3_exynos *exynos; - struct device *dev = &pdev->dev; - struct device_node *node = dev->of_node; - - int ret; - - exynos = devm_kzalloc(dev, sizeof(*exynos), GFP_KERNEL); - if (!exynos) - return -ENOMEM; - - /* - * Right now device-tree probed devices don't get dma_mask set. - * Since shared usb code relies on it, set it here for now. - * Once we move to full device tree support this will vanish off. - */ - ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32)); - if (ret) - return ret; - - platform_set_drvdata(pdev, exynos); - - ret = dwc3_exynos_register_phys(exynos); - if (ret) { - dev_err(dev, "couldn't register PHYs\n"); - return ret; - } - - exynos->dev = dev; - - exynos->clk = devm_clk_get(dev, "usbdrd30"); - if (IS_ERR(exynos->clk)) { - dev_err(dev, "couldn't get clock\n"); - return -EINVAL; - } - clk_prepare_enable(exynos->clk); - - exynos->susp_clk = devm_clk_get(dev, "usbdrd30_susp_clk"); - if (IS_ERR(exynos->susp_clk)) { - dev_dbg(dev, "no suspend clk specified\n"); - exynos->susp_clk = NULL; - } - clk_prepare_enable(exynos->susp_clk); - - if (of_device_is_compatible(node, "samsung,exynos7-dwusb3")) { - exynos->axius_clk = devm_clk_get(dev, "usbdrd30_axius_clk"); - if (IS_ERR(exynos->axius_clk)) { - dev_err(dev, "no AXI UpScaler clk specified\n"); - return -ENODEV; - } - clk_prepare_enable(exynos->axius_clk); - } else { - exynos->axius_clk = NULL; - } - - exynos->vdd33 = devm_regulator_get(dev, "vdd33"); - if (IS_ERR(exynos->vdd33)) { - ret = PTR_ERR(exynos->vdd33); - goto err2; - } - ret = regulator_enable(exynos->vdd33); - if (ret) { - dev_err(dev, "Failed to enable VDD33 supply\n"); - goto err2; - } - - exynos->vdd10 = devm_regulator_get(dev, "vdd10"); - if (IS_ERR(exynos->vdd10)) { - ret = PTR_ERR(exynos->vdd10); - goto err3; - } - ret = regulator_enable(exynos->vdd10); - if (ret) { - dev_err(dev, "Failed to enable VDD10 supply\n"); - goto err3; - } - - if (node) { - ret = of_platform_populate(node, NULL, NULL, dev); - if (ret) { - dev_err(dev, "failed to add dwc3 core\n"); - goto err4; - } - } else { - dev_err(dev, "no device node, failed to add dwc3 core\n"); - ret = -ENODEV; - goto err4; - } - - return 0; - -err4: - regulator_disable(exynos->vdd10); -err3: - regulator_disable(exynos->vdd33); -err2: - clk_disable_unprepare(exynos->axius_clk); - clk_disable_unprepare(exynos->susp_clk); - clk_disable_unprepare(exynos->clk); - return ret; -} - -static int dwc3_exynos_remove(struct platform_device *pdev) -{ - struct dwc3_exynos *exynos = platform_get_drvdata(pdev); - - device_for_each_child(&pdev->dev, NULL, dwc3_exynos_remove_child); - platform_device_unregister(exynos->usb2_phy); - platform_device_unregister(exynos->usb3_phy); - - clk_disable_unprepare(exynos->axius_clk); - clk_disable_unprepare(exynos->susp_clk); - clk_disable_unprepare(exynos->clk); - - regulator_disable(exynos->vdd33); - regulator_disable(exynos->vdd10); - - return 0; -} - -static const struct of_device_id exynos_dwc3_match[] = { - { .compatible = "samsung,exynos5250-dwusb3" }, - { .compatible = "samsung,exynos7-dwusb3" }, - {}, -}; -MODULE_DEVICE_TABLE(of, exynos_dwc3_match); - -#ifdef CONFIG_PM_SLEEP -static int dwc3_exynos_suspend(struct device *dev) -{ - struct dwc3_exynos *exynos = dev_get_drvdata(dev); - - clk_disable(exynos->axius_clk); - clk_disable(exynos->clk); - - regulator_disable(exynos->vdd33); - regulator_disable(exynos->vdd10); - - return 0; -} - -static int dwc3_exynos_resume(struct device *dev) -{ - struct dwc3_exynos *exynos = dev_get_drvdata(dev); - int ret; - - ret = regulator_enable(exynos->vdd33); - if (ret) { - dev_err(dev, "Failed to enable VDD33 supply\n"); - return ret; - } - ret = regulator_enable(exynos->vdd10); - if (ret) { - dev_err(dev, "Failed to enable VDD10 supply\n"); - return ret; - } - - clk_enable(exynos->clk); - clk_enable(exynos->axius_clk); - - /* runtime set active to reflect active state. */ - pm_runtime_disable(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - - return 0; -} - -static const struct dev_pm_ops dwc3_exynos_dev_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(dwc3_exynos_suspend, dwc3_exynos_resume) -}; - -#define DEV_PM_OPS (&dwc3_exynos_dev_pm_ops) -#else -#define DEV_PM_OPS NULL -#endif /* CONFIG_PM_SLEEP */ - -static struct platform_driver dwc3_exynos_driver = { - .probe = dwc3_exynos_probe, - .remove = dwc3_exynos_remove, - .driver = { - .name = "exynos-dwc3", - .of_match_table = exynos_dwc3_match, - .pm = DEV_PM_OPS, - }, -}; - -module_platform_driver(dwc3_exynos_driver); - -MODULE_ALIAS("platform:exynos-dwc3"); -MODULE_AUTHOR("Anton Tikhomirov <av.tikhomirov@samsung.com>"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("DesignWare USB3 EXYNOS Glue Layer"); diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c deleted file mode 100644 index fe3b933..0000000 --- a/drivers/usb/dwc3/dwc3-keystone.c +++ /dev/null @@ -1,197 +0,0 @@ -/** - * dwc3-keystone.c - Keystone Specific Glue layer - * - * Copyright (C) 2010-2013 Texas Instruments Incorporated - http://www.ti.com - * - * Author: WingMan Kwok <w-kwok2@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/clk.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/io.h> -#include <linux/of_platform.h> - -/* USBSS register offsets */ -#define USBSS_REVISION 0x0000 -#define USBSS_SYSCONFIG 0x0010 -#define USBSS_IRQ_EOI 0x0018 -#define USBSS_IRQSTATUS_RAW_0 0x0020 -#define USBSS_IRQSTATUS_0 0x0024 -#define USBSS_IRQENABLE_SET_0 0x0028 -#define USBSS_IRQENABLE_CLR_0 0x002c - -/* IRQ register bits */ -#define USBSS_IRQ_EOI_LINE(n) BIT(n) -#define USBSS_IRQ_EVENT_ST BIT(0) -#define USBSS_IRQ_COREIRQ_EN BIT(0) -#define USBSS_IRQ_COREIRQ_CLR BIT(0) - -static u64 kdwc3_dma_mask; - -struct dwc3_keystone { - struct device *dev; - struct clk *clk; - void __iomem *usbss; -}; - -static inline u32 kdwc3_readl(void __iomem *base, u32 offset) -{ - return readl(base + offset); -} - -static inline void kdwc3_writel(void __iomem *base, u32 offset, u32 value) -{ - writel(value, base + offset); -} - -static void kdwc3_enable_irqs(struct dwc3_keystone *kdwc) -{ - u32 val; - - val = kdwc3_readl(kdwc->usbss, USBSS_IRQENABLE_SET_0); - val |= USBSS_IRQ_COREIRQ_EN; - kdwc3_writel(kdwc->usbss, USBSS_IRQENABLE_SET_0, val); -} - -static void kdwc3_disable_irqs(struct dwc3_keystone *kdwc) -{ - u32 val; - - val = kdwc3_readl(kdwc->usbss, USBSS_IRQENABLE_SET_0); - val &= ~USBSS_IRQ_COREIRQ_EN; - kdwc3_writel(kdwc->usbss, USBSS_IRQENABLE_SET_0, val); -} - -static irqreturn_t dwc3_keystone_interrupt(int irq, void *_kdwc) -{ - struct dwc3_keystone *kdwc = _kdwc; - - kdwc3_writel(kdwc->usbss, USBSS_IRQENABLE_CLR_0, USBSS_IRQ_COREIRQ_CLR); - kdwc3_writel(kdwc->usbss, USBSS_IRQSTATUS_0, USBSS_IRQ_EVENT_ST); - kdwc3_writel(kdwc->usbss, USBSS_IRQENABLE_SET_0, USBSS_IRQ_COREIRQ_EN); - kdwc3_writel(kdwc->usbss, USBSS_IRQ_EOI, USBSS_IRQ_EOI_LINE(0)); - - return IRQ_HANDLED; -} - -static int kdwc3_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct device_node *node = pdev->dev.of_node; - struct dwc3_keystone *kdwc; - struct resource *res; - int error, irq; - - kdwc = devm_kzalloc(dev, sizeof(*kdwc), GFP_KERNEL); - if (!kdwc) - return -ENOMEM; - - platform_set_drvdata(pdev, kdwc); - - kdwc->dev = dev; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - kdwc->usbss = devm_ioremap_resource(dev, res); - if (IS_ERR(kdwc->usbss)) - return PTR_ERR(kdwc->usbss); - - kdwc3_dma_mask = dma_get_mask(dev); - dev->dma_mask = &kdwc3_dma_mask; - - kdwc->clk = devm_clk_get(kdwc->dev, "usb"); - - error = clk_prepare_enable(kdwc->clk); - if (error < 0) { - dev_dbg(kdwc->dev, "unable to enable usb clock, err %d\n", - error); - return error; - } - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "missing irq\n"); - error = irq; - goto err_irq; - } - - error = devm_request_irq(dev, irq, dwc3_keystone_interrupt, IRQF_SHARED, - dev_name(dev), kdwc); - if (error) { - dev_err(dev, "failed to request IRQ #%d --> %d\n", - irq, error); - goto err_irq; - } - - kdwc3_enable_irqs(kdwc); - - error = of_platform_populate(node, NULL, NULL, dev); - if (error) { - dev_err(&pdev->dev, "failed to create dwc3 core\n"); - goto err_core; - } - - return 0; - -err_core: - kdwc3_disable_irqs(kdwc); -err_irq: - clk_disable_unprepare(kdwc->clk); - - return error; -} - -static int kdwc3_remove_core(struct device *dev, void *c) -{ - struct platform_device *pdev = to_platform_device(dev); - - platform_device_unregister(pdev); - - return 0; -} - -static int kdwc3_remove(struct platform_device *pdev) -{ - struct dwc3_keystone *kdwc = platform_get_drvdata(pdev); - - kdwc3_disable_irqs(kdwc); - device_for_each_child(&pdev->dev, NULL, kdwc3_remove_core); - clk_disable_unprepare(kdwc->clk); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static const struct of_device_id kdwc3_of_match[] = { - { .compatible = "ti,keystone-dwc3", }, - {}, -}; -MODULE_DEVICE_TABLE(of, kdwc3_of_match); - -static struct platform_driver kdwc3_driver = { - .probe = kdwc3_probe, - .remove = kdwc3_remove, - .driver = { - .name = "keystone-dwc3", - .of_match_table = kdwc3_of_match, - }, -}; - -module_platform_driver(kdwc3_driver); - -MODULE_ALIAS("platform:keystone-dwc3"); -MODULE_AUTHOR("WingMan Kwok <w-kwok2@ti.com>"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("DesignWare USB3 KEYSTONE Glue Layer"); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c deleted file mode 100644 index 7c4faf7..0000000 --- a/drivers/usb/dwc3/dwc3-pci.c +++ /dev/null @@ -1,272 +0,0 @@ -/** - * dwc3-pci.c - PCI Specific glue layer - * - * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * - * Authors: Felipe Balbi <balbi@ti.com>, - * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/pci.h> -#include <linux/platform_device.h> - -#include <linux/usb/otg.h> -#include <linux/usb/usb_phy_generic.h> - -#include "platform_data.h" - -/* FIXME define these in <linux/pci_ids.h> */ -#define PCI_VENDOR_ID_SYNOPSYS 0x16c3 -#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd -#define PCI_DEVICE_ID_INTEL_BYT 0x0f37 -#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e -#define PCI_DEVICE_ID_INTEL_BSW 0x22B7 - -struct dwc3_pci { - struct device *dev; - struct platform_device *dwc3; - struct platform_device *usb2_phy; - struct platform_device *usb3_phy; -}; - -static int dwc3_pci_register_phys(struct dwc3_pci *glue) -{ - struct usb_phy_generic_platform_data pdata; - struct platform_device *pdev; - int ret; - - memset(&pdata, 0x00, sizeof(pdata)); - - pdev = platform_device_alloc("usb_phy_generic", 0); - if (!pdev) - return -ENOMEM; - - glue->usb2_phy = pdev; - pdata.type = USB_PHY_TYPE_USB2; - pdata.gpio_reset = -1; - - ret = platform_device_add_data(glue->usb2_phy, &pdata, sizeof(pdata)); - if (ret) - goto err1; - - pdev = platform_device_alloc("usb_phy_generic", 1); - if (!pdev) { - ret = -ENOMEM; - goto err1; - } - - glue->usb3_phy = pdev; - pdata.type = USB_PHY_TYPE_USB3; - - ret = platform_device_add_data(glue->usb3_phy, &pdata, sizeof(pdata)); - if (ret) - goto err2; - - ret = platform_device_add(glue->usb2_phy); - if (ret) - goto err2; - - ret = platform_device_add(glue->usb3_phy); - if (ret) - goto err3; - - return 0; - -err3: - platform_device_del(glue->usb2_phy); - -err2: - platform_device_put(glue->usb3_phy); - -err1: - platform_device_put(glue->usb2_phy); - - return ret; -} - -static int dwc3_pci_probe(struct pci_dev *pci, - const struct pci_device_id *id) -{ - struct resource res[2]; - struct platform_device *dwc3; - struct dwc3_pci *glue; - int ret; - struct device *dev = &pci->dev; - struct dwc3_platform_data dwc3_pdata; - - memset(&dwc3_pdata, 0x00, sizeof(dwc3_pdata)); - - glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL); - if (!glue) - return -ENOMEM; - - glue->dev = dev; - - ret = pcim_enable_device(pci); - if (ret) { - dev_err(dev, "failed to enable pci device\n"); - return -ENODEV; - } - - pci_set_master(pci); - - ret = dwc3_pci_register_phys(glue); - if (ret) { - dev_err(dev, "couldn't register PHYs\n"); - return ret; - } - - dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); - if (!dwc3) { - dev_err(dev, "couldn't allocate dwc3 device\n"); - return -ENOMEM; - } - - memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res)); - - res[0].start = pci_resource_start(pci, 0); - res[0].end = pci_resource_end(pci, 0); - res[0].name = "dwc_usb3"; - res[0].flags = IORESOURCE_MEM; - - res[1].start = pci->irq; - res[1].name = "dwc_usb3"; - res[1].flags = IORESOURCE_IRQ; - - if (pci->vendor == PCI_VENDOR_ID_AMD && - pci->device == PCI_DEVICE_ID_AMD_NL_USB) { - dwc3_pdata.has_lpm_erratum = true; - dwc3_pdata.lpm_nyet_threshold = 0xf; - - dwc3_pdata.u2exit_lfps_quirk = true; - dwc3_pdata.u2ss_inp3_quirk = true; - dwc3_pdata.req_p1p2p3_quirk = true; - dwc3_pdata.del_p1p2p3_quirk = true; - dwc3_pdata.del_phy_power_chg_quirk = true; - dwc3_pdata.lfps_filter_quirk = true; - dwc3_pdata.rx_detect_poll_quirk = true; - - dwc3_pdata.tx_de_emphasis_quirk = true; - dwc3_pdata.tx_de_emphasis = 1; - - /* - * FIXME these quirks should be removed when AMD NL - * taps out - */ - dwc3_pdata.disable_scramble_quirk = true; - dwc3_pdata.dis_u3_susphy_quirk = true; - dwc3_pdata.dis_u2_susphy_quirk = true; - } - - ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res)); - if (ret) { - dev_err(dev, "couldn't add resources to dwc3 device\n"); - return ret; - } - - pci_set_drvdata(pci, glue); - - ret = platform_device_add_data(dwc3, &dwc3_pdata, sizeof(dwc3_pdata)); - if (ret) - goto err3; - - dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask); - - dwc3->dev.dma_mask = dev->dma_mask; - dwc3->dev.dma_parms = dev->dma_parms; - dwc3->dev.parent = dev; - glue->dwc3 = dwc3; - - ret = platform_device_add(dwc3); - if (ret) { - dev_err(dev, "failed to register dwc3 device\n"); - goto err3; - } - - return 0; - -err3: - platform_device_put(dwc3); - return ret; -} - -static void dwc3_pci_remove(struct pci_dev *pci) -{ - struct dwc3_pci *glue = pci_get_drvdata(pci); - - platform_device_unregister(glue->dwc3); - platform_device_unregister(glue->usb2_phy); - platform_device_unregister(glue->usb3_phy); -} - -static const struct pci_device_id dwc3_pci_id_table[] = { - { - PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS, - PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3), - }, - { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), }, - { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), }, - { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), }, - { } /* Terminating Entry */ -}; -MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); - -#ifdef CONFIG_PM_SLEEP -static int dwc3_pci_suspend(struct device *dev) -{ - struct pci_dev *pci = to_pci_dev(dev); - - pci_disable_device(pci); - - return 0; -} - -static int dwc3_pci_resume(struct device *dev) -{ - struct pci_dev *pci = to_pci_dev(dev); - int ret; - - ret = pci_enable_device(pci); - if (ret) { - dev_err(dev, "can't re-enable device --> %d\n", ret); - return ret; - } - - pci_set_master(pci); - - return 0; -} -#endif /* CONFIG_PM_SLEEP */ - -static const struct dev_pm_ops dwc3_pci_dev_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume) -}; - -static struct pci_driver dwc3_pci_driver = { - .name = "dwc3-pci", - .id_table = dwc3_pci_id_table, - .probe = dwc3_pci_probe, - .remove = dwc3_pci_remove, - .driver = { - .pm = &dwc3_pci_dev_pm_ops, - }, -}; - -MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); - -module_pci_driver(dwc3_pci_driver); diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c deleted file mode 100644 index 8c2e8ee..0000000 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ /dev/null @@ -1,130 +0,0 @@ -/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_platform.h> -#include <linux/platform_device.h> - -struct dwc3_qcom { - struct device *dev; - - struct clk *core_clk; - struct clk *iface_clk; - struct clk *sleep_clk; -}; - -static int dwc3_qcom_probe(struct platform_device *pdev) -{ - struct device_node *node = pdev->dev.of_node; - struct dwc3_qcom *qdwc; - int ret; - - qdwc = devm_kzalloc(&pdev->dev, sizeof(*qdwc), GFP_KERNEL); - if (!qdwc) - return -ENOMEM; - - platform_set_drvdata(pdev, qdwc); - - qdwc->dev = &pdev->dev; - - qdwc->core_clk = devm_clk_get(qdwc->dev, "core"); - if (IS_ERR(qdwc->core_clk)) { - dev_err(qdwc->dev, "failed to get core clock\n"); - return PTR_ERR(qdwc->core_clk); - } - - qdwc->iface_clk = devm_clk_get(qdwc->dev, "iface"); - if (IS_ERR(qdwc->iface_clk)) { - dev_dbg(qdwc->dev, "failed to get optional iface clock\n"); - qdwc->iface_clk = NULL; - } - - qdwc->sleep_clk = devm_clk_get(qdwc->dev, "sleep"); - if (IS_ERR(qdwc->sleep_clk)) { - dev_dbg(qdwc->dev, "failed to get optional sleep clock\n"); - qdwc->sleep_clk = NULL; - } - - ret = clk_prepare_enable(qdwc->core_clk); - if (ret) { - dev_err(qdwc->dev, "failed to enable core clock\n"); - goto err_core; - } - - ret = clk_prepare_enable(qdwc->iface_clk); - if (ret) { - dev_err(qdwc->dev, "failed to enable optional iface clock\n"); - goto err_iface; - } - - ret = clk_prepare_enable(qdwc->sleep_clk); - if (ret) { - dev_err(qdwc->dev, "failed to enable optional sleep clock\n"); - goto err_sleep; - } - - ret = of_platform_populate(node, NULL, NULL, qdwc->dev); - if (ret) { - dev_err(qdwc->dev, "failed to register core - %d\n", ret); - goto err_clks; - } - - return 0; - -err_clks: - clk_disable_unprepare(qdwc->sleep_clk); -err_sleep: - clk_disable_unprepare(qdwc->iface_clk); -err_iface: - clk_disable_unprepare(qdwc->core_clk); -err_core: - return ret; -} - -static int dwc3_qcom_remove(struct platform_device *pdev) -{ - struct dwc3_qcom *qdwc = platform_get_drvdata(pdev); - - of_platform_depopulate(&pdev->dev); - - clk_disable_unprepare(qdwc->sleep_clk); - clk_disable_unprepare(qdwc->iface_clk); - clk_disable_unprepare(qdwc->core_clk); - - return 0; -} - -static const struct of_device_id of_dwc3_match[] = { - { .compatible = "qcom,dwc3" }, - { /* Sentinel */ } -}; -MODULE_DEVICE_TABLE(of, of_dwc3_match); - -static struct platform_driver dwc3_qcom_driver = { - .probe = dwc3_qcom_probe, - .remove = dwc3_qcom_remove, - .driver = { - .name = "qcom-dwc3", - .of_match_table = of_dwc3_match, - }, -}; - -module_platform_driver(dwc3_qcom_driver); - -MODULE_ALIAS("platform:qcom-dwc3"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("DesignWare USB3 QCOM Glue Layer"); -MODULE_AUTHOR("Ivan T. Ivanov <iivanov@mm-sol.com>"); diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c deleted file mode 100644 index 4a1a543..0000000 --- a/drivers/usb/dwc3/dwc3-st.c +++ /dev/null @@ -1,367 +0,0 @@ -/** - * dwc3-st.c Support for dwc3 platform devices on ST Microelectronics platforms - * - * This is a small driver for the dwc3 to provide the glue logic - * to configure the controller. Tested on STi platforms. - * - * Copyright (C) 2014 Stmicroelectronics - * - * Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> - * Contributors: Aymen Bouattay <aymen.bouattay@st.com> - * Peter Griffin <peter.griffin@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Inspired by dwc3-omap.c and dwc3-exynos.c. - */ - -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/ioport.h> -#include <linux/kernel.h> -#include <linux/mfd/syscon.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_platform.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/regmap.h> -#include <linux/reset.h> -#include <linux/usb/of.h> - -#include "core.h" -#include "io.h" - -/* glue registers */ -#define CLKRST_CTRL 0x00 -#define AUX_CLK_EN BIT(0) -#define SW_PIPEW_RESET_N BIT(4) -#define EXT_CFG_RESET_N BIT(8) -/* - * 1'b0 : The host controller complies with the xHCI revision 0.96 - * 1'b1 : The host controller complies with the xHCI revision 1.0 - */ -#define XHCI_REVISION BIT(12) - -#define USB2_VBUS_MNGMNT_SEL1 0x2C -/* - * For all fields in USB2_VBUS_MNGMNT_SEL1 - * 2’b00 : Override value from Reg 0x30 is selected - * 2’b01 : utmiotg_<signal_name> from usb3_top is selected - * 2’b10 : pipew_<signal_name> from PIPEW instance is selected - * 2’b11 : value is 1'b0 - */ -#define USB2_VBUS_REG30 0x0 -#define USB2_VBUS_UTMIOTG 0x1 -#define USB2_VBUS_PIPEW 0x2 -#define USB2_VBUS_ZERO 0x3 - -#define SEL_OVERRIDE_VBUSVALID(n) (n << 0) -#define SEL_OVERRIDE_POWERPRESENT(n) (n << 4) -#define SEL_OVERRIDE_BVALID(n) (n << 8) - -/* Static DRD configuration */ -#define USB3_CONTROL_MASK 0xf77 - -#define USB3_DEVICE_NOT_HOST BIT(0) -#define USB3_FORCE_VBUSVALID BIT(1) -#define USB3_DELAY_VBUSVALID BIT(2) -#define USB3_SEL_FORCE_OPMODE BIT(4) -#define USB3_FORCE_OPMODE(n) (n << 5) -#define USB3_SEL_FORCE_DPPULLDOWN2 BIT(8) -#define USB3_FORCE_DPPULLDOWN2 BIT(9) -#define USB3_SEL_FORCE_DMPULLDOWN2 BIT(10) -#define USB3_FORCE_DMPULLDOWN2 BIT(11) - -/** - * struct st_dwc3 - dwc3-st driver private structure - * @dev: device pointer - * @glue_base: ioaddr for the glue registers - * @regmap: regmap pointer for getting syscfg - * @syscfg_reg_off: usb syscfg control offset - * @dr_mode: drd static host/device config - * @rstc_pwrdn: rest controller for powerdown signal - * @rstc_rst: reset controller for softreset signal - */ - -struct st_dwc3 { - struct device *dev; - void __iomem *glue_base; - struct regmap *regmap; - int syscfg_reg_off; - enum usb_dr_mode dr_mode; - struct reset_control *rstc_pwrdn; - struct reset_control *rstc_rst; -}; - -static inline u32 st_dwc3_readl(void __iomem *base, u32 offset) -{ - return readl_relaxed(base + offset); -} - -static inline void st_dwc3_writel(void __iomem *base, u32 offset, u32 value) -{ - writel_relaxed(value, base + offset); -} - -/** - * st_dwc3_drd_init: program the port - * @dwc3_data: driver private structure - * Description: this function is to program the port as either host or device - * according to the static configuration passed from devicetree. - * OTG and dual role are not yet supported! - */ -static int st_dwc3_drd_init(struct st_dwc3 *dwc3_data) -{ - u32 val; - int err; - - err = regmap_read(dwc3_data->regmap, dwc3_data->syscfg_reg_off, &val); - if (err) - return err; - - val &= USB3_CONTROL_MASK; - - switch (dwc3_data->dr_mode) { - case USB_DR_MODE_PERIPHERAL: - - val &= ~(USB3_FORCE_VBUSVALID | USB3_DELAY_VBUSVALID - | USB3_SEL_FORCE_OPMODE | USB3_FORCE_OPMODE(0x3) - | USB3_SEL_FORCE_DPPULLDOWN2 | USB3_FORCE_DPPULLDOWN2 - | USB3_SEL_FORCE_DMPULLDOWN2 | USB3_FORCE_DMPULLDOWN2); - - val |= USB3_DEVICE_NOT_HOST; - - dev_dbg(dwc3_data->dev, "Configuring as Device\n"); - break; - - case USB_DR_MODE_HOST: - - val &= ~(USB3_DEVICE_NOT_HOST | USB3_FORCE_VBUSVALID - | USB3_SEL_FORCE_OPMODE | USB3_FORCE_OPMODE(0x3) - | USB3_SEL_FORCE_DPPULLDOWN2 | USB3_FORCE_DPPULLDOWN2 - | USB3_SEL_FORCE_DMPULLDOWN2 | USB3_FORCE_DMPULLDOWN2); - - /* - * USB3_DELAY_VBUSVALID is ANDed with USB_C_VBUSVALID. Thus, - * when set to ‘0‘, it can delay the arrival of VBUSVALID - * information to VBUSVLDEXT2 input of the pico PHY. - * We don't want to do that so we set the bit to '1'. - */ - - val |= USB3_DELAY_VBUSVALID; - - dev_dbg(dwc3_data->dev, "Configuring as Host\n"); - break; - - default: - dev_err(dwc3_data->dev, "Unsupported mode of operation %d\n", - dwc3_data->dr_mode); - return -EINVAL; - } - - return regmap_write(dwc3_data->regmap, dwc3_data->syscfg_reg_off, val); -} - -/** - * st_dwc3_init: init the controller via glue logic - * @dwc3_data: driver private structure - */ -static void st_dwc3_init(struct st_dwc3 *dwc3_data) -{ - u32 reg = st_dwc3_readl(dwc3_data->glue_base, CLKRST_CTRL); - - reg |= AUX_CLK_EN | EXT_CFG_RESET_N | XHCI_REVISION; - reg &= ~SW_PIPEW_RESET_N; - st_dwc3_writel(dwc3_data->glue_base, CLKRST_CTRL, reg); - - /* configure mux for vbus, powerpresent and bvalid signals */ - reg = st_dwc3_readl(dwc3_data->glue_base, USB2_VBUS_MNGMNT_SEL1); - - reg |= SEL_OVERRIDE_VBUSVALID(USB2_VBUS_UTMIOTG) | - SEL_OVERRIDE_POWERPRESENT(USB2_VBUS_UTMIOTG) | - SEL_OVERRIDE_BVALID(USB2_VBUS_UTMIOTG); - - st_dwc3_writel(dwc3_data->glue_base, USB2_VBUS_MNGMNT_SEL1, reg); - - reg = st_dwc3_readl(dwc3_data->glue_base, CLKRST_CTRL); - reg |= SW_PIPEW_RESET_N; - st_dwc3_writel(dwc3_data->glue_base, CLKRST_CTRL, reg); -} - -static int st_dwc3_probe(struct platform_device *pdev) -{ - struct st_dwc3 *dwc3_data; - struct resource *res; - struct device *dev = &pdev->dev; - struct device_node *node = dev->of_node, *child; - struct regmap *regmap; - int ret; - - dwc3_data = devm_kzalloc(dev, sizeof(*dwc3_data), GFP_KERNEL); - if (!dwc3_data) - return -ENOMEM; - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "reg-glue"); - dwc3_data->glue_base = devm_ioremap_resource(dev, res); - if (IS_ERR(dwc3_data->glue_base)) - return PTR_ERR(dwc3_data->glue_base); - - regmap = syscon_regmap_lookup_by_phandle(node, "st,syscfg"); - if (IS_ERR(regmap)) - return PTR_ERR(regmap); - - dma_set_coherent_mask(dev, dev->coherent_dma_mask); - dwc3_data->dev = dev; - dwc3_data->regmap = regmap; - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "syscfg-reg"); - if (!res) { - ret = -ENXIO; - goto undo_platform_dev_alloc; - } - - dwc3_data->syscfg_reg_off = res->start; - - dev_vdbg(&pdev->dev, "glue-logic addr 0x%p, syscfg-reg offset 0x%x\n", - dwc3_data->glue_base, dwc3_data->syscfg_reg_off); - - dwc3_data->rstc_pwrdn = devm_reset_control_get(dev, "powerdown"); - if (IS_ERR(dwc3_data->rstc_pwrdn)) { - dev_err(&pdev->dev, "could not get power controller\n"); - ret = PTR_ERR(dwc3_data->rstc_pwrdn); - goto undo_platform_dev_alloc; - } - - /* Manage PowerDown */ - reset_control_deassert(dwc3_data->rstc_pwrdn); - - dwc3_data->rstc_rst = devm_reset_control_get(dev, "softreset"); - if (IS_ERR(dwc3_data->rstc_rst)) { - dev_err(&pdev->dev, "could not get reset controller\n"); - ret = PTR_ERR(dwc3_data->rstc_rst); - goto undo_powerdown; - } - - /* Manage SoftReset */ - reset_control_deassert(dwc3_data->rstc_rst); - - child = of_get_child_by_name(node, "dwc3"); - if (!child) { - dev_err(&pdev->dev, "failed to find dwc3 core node\n"); - ret = -ENODEV; - goto undo_softreset; - } - - dwc3_data->dr_mode = of_usb_get_dr_mode(child); - - /* Allocate and initialize the core */ - ret = of_platform_populate(node, NULL, NULL, dev); - if (ret) { - dev_err(dev, "failed to add dwc3 core\n"); - goto undo_softreset; - } - - /* - * Configure the USB port as device or host according to the static - * configuration passed from DT. - * DRD is the only mode currently supported so this will be enhanced - * as soon as OTG is available. - */ - ret = st_dwc3_drd_init(dwc3_data); - if (ret) { - dev_err(dev, "drd initialisation failed\n"); - goto undo_softreset; - } - - /* ST glue logic init */ - st_dwc3_init(dwc3_data); - - platform_set_drvdata(pdev, dwc3_data); - return 0; - -undo_softreset: - reset_control_assert(dwc3_data->rstc_rst); -undo_powerdown: - reset_control_assert(dwc3_data->rstc_pwrdn); -undo_platform_dev_alloc: - platform_device_put(pdev); - return ret; -} - -static int st_dwc3_remove(struct platform_device *pdev) -{ - struct st_dwc3 *dwc3_data = platform_get_drvdata(pdev); - - of_platform_depopulate(&pdev->dev); - - reset_control_assert(dwc3_data->rstc_pwrdn); - reset_control_assert(dwc3_data->rstc_rst); - - return 0; -} - -#ifdef CONFIG_PM_SLEEP -static int st_dwc3_suspend(struct device *dev) -{ - struct st_dwc3 *dwc3_data = dev_get_drvdata(dev); - - reset_control_assert(dwc3_data->rstc_pwrdn); - reset_control_assert(dwc3_data->rstc_rst); - - pinctrl_pm_select_sleep_state(dev); - - return 0; -} - -static int st_dwc3_resume(struct device *dev) -{ - struct st_dwc3 *dwc3_data = dev_get_drvdata(dev); - int ret; - - pinctrl_pm_select_default_state(dev); - - reset_control_deassert(dwc3_data->rstc_pwrdn); - reset_control_deassert(dwc3_data->rstc_rst); - - ret = st_dwc3_drd_init(dwc3_data); - if (ret) { - dev_err(dev, "drd initialisation failed\n"); - return ret; - } - - /* ST glue logic init */ - st_dwc3_init(dwc3_data); - - return 0; -} -#endif /* CONFIG_PM_SLEEP */ - -static SIMPLE_DEV_PM_OPS(st_dwc3_dev_pm_ops, st_dwc3_suspend, st_dwc3_resume); - -static const struct of_device_id st_dwc3_match[] = { - { .compatible = "st,stih407-dwc3" }, - { /* sentinel */ }, -}; - -MODULE_DEVICE_TABLE(of, st_dwc3_match); - -static struct platform_driver st_dwc3_driver = { - .probe = st_dwc3_probe, - .remove = st_dwc3_remove, - .driver = { - .name = "usb-st-dwc3", - .of_match_table = st_dwc3_match, - .pm = &st_dwc3_dev_pm_ops, - }, -}; - -module_platform_driver(st_dwc3_driver); - -MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>"); -MODULE_DESCRIPTION("DesignWare USB3 STi Glue Layer"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c deleted file mode 100644 index 12bfd3c..0000000 --- a/drivers/usb/dwc3/host.c +++ /dev/null @@ -1,91 +0,0 @@ -/** - * host.c - DesignWare USB3 DRD Controller Host Glue - * - * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com - * - * Authors: Felipe Balbi <balbi@ti.com>, - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/platform_device.h> -#include <linux/usb/xhci_pdriver.h> - -#include "core.h" - -int dwc3_host_init(struct dwc3 *dwc) -{ - struct platform_device *xhci; - struct usb_xhci_pdata pdata; - int ret; - - xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO); - if (!xhci) { - dev_err(dwc->dev, "couldn't allocate xHCI device\n"); - return -ENOMEM; - } - - dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask); - - xhci->dev.parent = dwc->dev; - xhci->dev.dma_mask = dwc->dev->dma_mask; - xhci->dev.dma_parms = dwc->dev->dma_parms; - - dwc->xhci = xhci; - - ret = platform_device_add_resources(xhci, dwc->xhci_resources, - DWC3_XHCI_RESOURCES_NUM); - if (ret) { - dev_err(dwc->dev, "couldn't add resources to xHCI device\n"); - goto err1; - } - - memset(&pdata, 0, sizeof(pdata)); - -#ifdef CONFIG_DWC3_HOST_USB3_LPM_ENABLE - pdata.usb3_lpm_capable = 1; -#endif - - ret = platform_device_add_data(xhci, &pdata, sizeof(pdata)); - if (ret) { - dev_err(dwc->dev, "couldn't add platform data to xHCI device\n"); - goto err1; - } - - phy_create_lookup(dwc->usb2_generic_phy, "usb2-phy", - dev_name(&xhci->dev)); - phy_create_lookup(dwc->usb3_generic_phy, "usb3-phy", - dev_name(&xhci->dev)); - - ret = platform_device_add(xhci); - if (ret) { - dev_err(dwc->dev, "failed to register xHCI device\n"); - goto err2; - } - - return 0; -err2: - phy_remove_lookup(dwc->usb2_generic_phy, "usb2-phy", - dev_name(&xhci->dev)); - phy_remove_lookup(dwc->usb3_generic_phy, "usb3-phy", - dev_name(&xhci->dev)); -err1: - platform_device_put(xhci); - return ret; -} - -void dwc3_host_exit(struct dwc3 *dwc) -{ - phy_remove_lookup(dwc->usb2_generic_phy, "usb2-phy", - dev_name(&dwc->xhci->dev)); - phy_remove_lookup(dwc->usb3_generic_phy, "usb3-phy", - dev_name(&dwc->xhci->dev)); - platform_device_unregister(dwc->xhci); -} diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h deleted file mode 100644 index a3a3b6d..0000000 --- a/drivers/usb/dwc3/platform_data.h +++ /dev/null @@ -1,47 +0,0 @@ -/** - * platform_data.h - USB DWC3 Platform Data Support - * - * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com - * Author: Felipe Balbi <balbi@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/usb/ch9.h> -#include <linux/usb/otg.h> - -struct dwc3_platform_data { - enum usb_device_speed maximum_speed; - enum usb_dr_mode dr_mode; - bool tx_fifo_resize; - - unsigned is_utmi_l1_suspend:1; - u8 hird_threshold; - - u8 lpm_nyet_threshold; - - unsigned disable_scramble_quirk:1; - unsigned has_lpm_erratum:1; - unsigned u2exit_lfps_quirk:1; - unsigned u2ss_inp3_quirk:1; - unsigned req_p1p2p3_quirk:1; - unsigned del_p1p2p3_quirk:1; - unsigned del_phy_power_chg_quirk:1; - unsigned lfps_filter_quirk:1; - unsigned rx_detect_poll_quirk:1; - unsigned dis_u3_susphy_quirk:1; - unsigned dis_u2_susphy_quirk:1; - - unsigned tx_de_emphasis_quirk:1; - unsigned tx_de_emphasis:2; -}; diff --git a/drivers/usb/dwc3/trace.c b/drivers/usb/dwc3/trace.c deleted file mode 100644 index 6cd1664..0000000 --- a/drivers/usb/dwc3/trace.c +++ /dev/null @@ -1,19 +0,0 @@ -/** - * trace.c - DesignWare USB3 DRD Controller Trace Support - * - * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com - * - * Author: Felipe Balbi <balbi@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#define CREATE_TRACE_POINTS -#include "trace.h" diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h deleted file mode 100644 index 9fc20b3..0000000 --- a/drivers/usb/dwc3/trace.h +++ /dev/null @@ -1,247 +0,0 @@ -/** - * trace.h - DesignWare USB3 DRD Controller Trace Support - * - * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com - * - * Author: Felipe Balbi <balbi@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#undef TRACE_SYSTEM -#define TRACE_SYSTEM dwc3 - -#if !defined(__DWC3_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) -#define __DWC3_TRACE_H - -#include <linux/types.h> -#include <linux/tracepoint.h> -#include <asm/byteorder.h> -#include "core.h" -#include "debug.h" - -DECLARE_EVENT_CLASS(dwc3_log_msg, - TP_PROTO(struct va_format *vaf), - TP_ARGS(vaf), - TP_STRUCT__entry(__dynamic_array(char, msg, DWC3_MSG_MAX)), - TP_fast_assign( - vsnprintf(__get_str(msg), DWC3_MSG_MAX, vaf->fmt, *vaf->va); - ), - TP_printk("%s", __get_str(msg)) -); - -DEFINE_EVENT(dwc3_log_msg, dwc3_readl, - TP_PROTO(struct va_format *vaf), - TP_ARGS(vaf) -); - -DEFINE_EVENT(dwc3_log_msg, dwc3_writel, - TP_PROTO(struct va_format *vaf), - TP_ARGS(vaf) -); - -DEFINE_EVENT(dwc3_log_msg, dwc3_ep0, - TP_PROTO(struct va_format *vaf), - TP_ARGS(vaf) -); - -DECLARE_EVENT_CLASS(dwc3_log_event, - TP_PROTO(u32 event), - TP_ARGS(event), - TP_STRUCT__entry( - __field(u32, event) - ), - TP_fast_assign( - __entry->event = event; - ), - TP_printk("event %08x", __entry->event) -); - -DEFINE_EVENT(dwc3_log_event, dwc3_event, - TP_PROTO(u32 event), - TP_ARGS(event) -); - -DECLARE_EVENT_CLASS(dwc3_log_ctrl, - TP_PROTO(struct usb_ctrlrequest *ctrl), - TP_ARGS(ctrl), - TP_STRUCT__entry( - __field(__u8, bRequestType) - __field(__u8, bRequest) - __field(__le16, wValue) - __field(__le16, wIndex) - __field(__le16, wLength) - ), - TP_fast_assign( - __entry->bRequestType = ctrl->bRequestType; - __entry->bRequest = ctrl->bRequest; - __entry->wValue = ctrl->wValue; - __entry->wIndex = ctrl->wIndex; - __entry->wLength = ctrl->wLength; - ), - TP_printk("bRequestType %02x bRequest %02x wValue %04x wIndex %04x wLength %d", - __entry->bRequestType, __entry->bRequest, - le16_to_cpu(__entry->wValue), le16_to_cpu(__entry->wIndex), - le16_to_cpu(__entry->wLength) - ) -); - -DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req, - TP_PROTO(struct usb_ctrlrequest *ctrl), - TP_ARGS(ctrl) -); - -DECLARE_EVENT_CLASS(dwc3_log_request, - TP_PROTO(struct dwc3_request *req), - TP_ARGS(req), - TP_STRUCT__entry( - __dynamic_array(char, name, DWC3_MSG_MAX) - __field(struct dwc3_request *, req) - __field(unsigned, actual) - __field(unsigned, length) - __field(int, status) - ), - TP_fast_assign( - snprintf(__get_str(name), DWC3_MSG_MAX, "%s", req->dep->name); - __entry->req = req; - __entry->actual = req->request.actual; - __entry->length = req->request.length; - __entry->status = req->request.status; - ), - TP_printk("%s: req %p length %u/%u ==> %d", - __get_str(name), __entry->req, __entry->actual, __entry->length, - __entry->status - ) -); - -DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request, - TP_PROTO(struct dwc3_request *req), - TP_ARGS(req) -); - -DEFINE_EVENT(dwc3_log_request, dwc3_free_request, - TP_PROTO(struct dwc3_request *req), - TP_ARGS(req) -); - -DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue, - TP_PROTO(struct dwc3_request *req), - TP_ARGS(req) -); - -DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue, - TP_PROTO(struct dwc3_request *req), - TP_ARGS(req) -); - -DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback, - TP_PROTO(struct dwc3_request *req), - TP_ARGS(req) -); - -DECLARE_EVENT_CLASS(dwc3_log_generic_cmd, - TP_PROTO(unsigned int cmd, u32 param), - TP_ARGS(cmd, param), - TP_STRUCT__entry( - __field(unsigned int, cmd) - __field(u32, param) - ), - TP_fast_assign( - __entry->cmd = cmd; - __entry->param = param; - ), - TP_printk("cmd '%s' [%d] param %08x", - dwc3_gadget_generic_cmd_string(__entry->cmd), - __entry->cmd, __entry->param - ) -); - -DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd, - TP_PROTO(unsigned int cmd, u32 param), - TP_ARGS(cmd, param) -); - -DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd, - TP_PROTO(struct dwc3_ep *dep, unsigned int cmd, - struct dwc3_gadget_ep_cmd_params *params), - TP_ARGS(dep, cmd, params), - TP_STRUCT__entry( - __dynamic_array(char, name, DWC3_MSG_MAX) - __field(unsigned int, cmd) - __field(u32, param0) - __field(u32, param1) - __field(u32, param2) - ), - TP_fast_assign( - snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name); - __entry->cmd = cmd; - __entry->param0 = params->param0; - __entry->param1 = params->param1; - __entry->param2 = params->param2; - ), - TP_printk("%s: cmd '%s' [%d] params %08x %08x %08x", - __get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd), - __entry->cmd, __entry->param0, - __entry->param1, __entry->param2 - ) -); - -DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd, - TP_PROTO(struct dwc3_ep *dep, unsigned int cmd, - struct dwc3_gadget_ep_cmd_params *params), - TP_ARGS(dep, cmd, params) -); - -DECLARE_EVENT_CLASS(dwc3_log_trb, - TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb), - TP_ARGS(dep, trb), - TP_STRUCT__entry( - __dynamic_array(char, name, DWC3_MSG_MAX) - __field(struct dwc3_trb *, trb) - __field(u32, bpl) - __field(u32, bph) - __field(u32, size) - __field(u32, ctrl) - ), - TP_fast_assign( - snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name); - __entry->trb = trb; - __entry->bpl = trb->bpl; - __entry->bph = trb->bph; - __entry->size = trb->size; - __entry->ctrl = trb->ctrl; - ), - TP_printk("%s: trb %p bph %08x bpl %08x size %08x ctrl %08x", - __get_str(name), __entry->trb, __entry->bph, __entry->bpl, - __entry->size, __entry->ctrl - ) -); - -DEFINE_EVENT(dwc3_log_trb, dwc3_prepare_trb, - TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb), - TP_ARGS(dep, trb) -); - -DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb, - TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb), - TP_ARGS(dep, trb) -); - -#endif /* __DWC3_TRACE_H */ - -/* this part has to be here */ - -#undef TRACE_INCLUDE_PATH -#define TRACE_INCLUDE_PATH . - -#undef TRACE_INCLUDE_FILE -#define TRACE_INCLUDE_FILE trace - -#include <trace/define_trace.h> |