/** * 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> * * 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 <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, \} 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(OEVTEN), dump_register(OSTS),}; static int dwc3_regdump_show(struct seq_file *s, void *unused){ struct dwc3 *dwc = s->private; seq_printf(s, "DesignWare USB3 Core Register Dump\n"); debugfs_print_regs32(s, dwc3_regs, ARRAY_SIZE(dwc3_regs), dwc->regs, ""); return 0;} static int dwc3_regdump_open(struct inode *inode, struct file *file){ return single_open(file, dwc3_regdump_show, inode->i_private);} static const struct file_operations dwc3_regdump_fops = { .open = dwc3_regdump_open, .read = seq_read, .release = single_release,}; 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:Lines 1–500 of 710. 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/** * 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> * * 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 <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, \ } 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(OEVTEN), dump_register(OSTS), }; static int dwc3_regdump_show(struct seq_file *s, void *unused) { struct dwc3 *dwc = s->private; seq_printf(s, "DesignWare USB3 Core Register Dump\n"); debugfs_print_regs32(s, dwc3_regs, ARRAY_SIZE(dwc3_regs), dwc->regs, ""); return 0; } static int dwc3_regdump_open(struct inode *inode, struct file *file) { return single_open(file, dwc3_regdump_show, inode->i_private); } static const struct file_operations dwc3_regdump_fops = { .open = dwc3_regdump_open, .read = seq_read, .release = single_release, }; 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: