| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds (pre-git) | 2590 | 62.76% | 47 | 52.81% |
| Thomas Sailer | 1100 | 26.65% | 2 | 2.25% |
| Greg Kroah-Hartman | 284 | 6.88% | 14 | 15.73% |
| Johan Hovold | 51 | 1.24% | 3 | 3.37% |
| Linus Torvalds | 26 | 0.63% | 5 | 5.62% |
| Daniele Bellucci | 15 | 0.36% | 1 | 1.12% |
| Daniel Gimpelevich | 10 | 0.24% | 1 | 1.12% |
| Al Viro | 9 | 0.22% | 2 | 2.25% |
| Nishanth Aravamudan | 9 | 0.22% | 2 | 2.25% |
| Dongliang Mu | 8 | 0.19% | 1 | 1.12% |
| Rusty Russell | 8 | 0.19% | 1 | 1.12% |
| Alexey Dobriyan | 4 | 0.10% | 1 | 1.12% |
| Ingo Molnar | 3 | 0.07% | 1 | 1.12% |
| Jia-Ju Bai | 2 | 0.05% | 1 | 1.12% |
| Andy Shevchenko | 2 | 0.05% | 1 | 1.12% |
| Márton Németh | 1 | 0.02% | 1 | 1.12% |
| Peter Holik | 1 | 0.02% | 1 | 1.12% |
| Masanari Iida | 1 | 0.02% | 1 | 1.12% |
| Jeff Garzik | 1 | 0.02% | 1 | 1.12% |
| Robert P. J. Day | 1 | 0.02% | 1 | 1.12% |
| Alan Stern | 1 | 0.02% | 1 | 1.12% |
| Total | 4127 | 89 |
// SPDX-License-Identifier: GPL-2.0+ /*****************************************************************************/ /* * uss720.c -- USS720 USB Parport Cable. * * Copyright (C) 1999, 2005, 2010 * Thomas Sailer (t.sailer@alumni.ethz.ch) * * Based on parport_pc.c * * History: * 0.1 04.08.1999 Created * 0.2 07.08.1999 Some fixes mainly suggested by Tim Waugh * Interrupt handling currently disabled because * usb_request_irq crashes somewhere within ohci.c * for no apparent reason (that is for me, anyway) * ECP currently untested * 0.3 10.08.1999 fixing merge errors * 0.4 13.08.1999 Added Vendor/Product ID of Brad Hard's cable * 0.5 20.09.1999 usb_control_msg wrapper used * Nov01.2000 usb_device_table support by Adam J. Richter * 08.04.2001 Identify version on module load. gb * 0.6 02.09.2005 Fix "scheduling in interrupt" problem by making save/restore * context asynchronous * */ /*****************************************************************************/ #include <linux/module.h> #include <linux/socket.h> #include <linux/parport.h> #include <linux/init.h> #include <linux/usb.h> #include <linux/delay.h> #include <linux/completion.h> #include <linux/kref.h> #include <linux/slab.h> #include <linux/sched/signal.h> #define DRIVER_AUTHOR "Thomas M. Sailer, t.sailer@alumni.ethz.ch" #define DRIVER_DESC "USB Parport Cable driver for Cables using the Lucent Technologies USS720 Chip" /* --------------------------------------------------------------------- */ struct parport_uss720_private { struct usb_device *usbdev; struct parport *pp; struct kref ref_count; __u8 reg[7]; /* USB registers */ struct list_head asynclist; spinlock_t asynclock; }; struct uss720_async_request { struct parport_uss720_private *priv; struct kref ref_count; struct list_head asynclist; struct completion compl; struct urb *urb; struct usb_ctrlrequest *dr; __u8 reg[7]; }; /* --------------------------------------------------------------------- */ static void destroy_priv(struct kref *kref) { struct parport_uss720_private *priv = container_of(kref, struct parport_uss720_private, ref_count); dev_dbg(&priv->usbdev->dev, "destroying priv datastructure\n"); usb_put_dev(priv->usbdev); priv->usbdev = NULL; kfree(priv); } static void destroy_async(struct kref *kref) { struct uss720_async_request *rq = container_of(kref, struct uss720_async_request, ref_count); struct parport_uss720_private *priv = rq->priv; unsigned long flags; if (likely(rq->urb)) usb_free_urb(rq->urb); kfree(rq->dr); spin_lock_irqsave(&priv->asynclock, flags); list_del_init(&rq->asynclist); spin_unlock_irqrestore(&priv->asynclock, flags); kfree(rq); kref_put(&priv->ref_count, destroy_priv); } /* --------------------------------------------------------------------- */ static void async_complete(struct urb *urb) { struct uss720_async_request *rq; struct parport *pp; struct parport_uss720_private *priv; int status = urb->status; rq = urb->context; priv = rq->priv; pp = priv->pp; if (status) { dev_err(&urb->dev->dev, "async_complete: urb error %d\n", status); } else if (rq->dr->bRequest == 3) { memcpy(priv->reg, rq->reg, sizeof(priv->reg)); #if 0 dev_dbg(&priv->usbdev->dev, "async_complete regs %7ph\n", priv->reg); #endif /* if nAck interrupts are enabled and we have an interrupt, call the interrupt procedure */ if (rq->reg[2] & rq->reg[1] & 0x10 && pp) parport_generic_irq(pp); } complete(&rq->compl); kref_put(&rq->ref_count, destroy_async); } static struct uss720_async_request *submit_async_request(struct parport_uss720_private *priv, __u8 request, __u8 requesttype, __u16 value, __u16 index, gfp_t mem_flags) { struct usb_device *usbdev; struct uss720_async_request *rq; unsigned long flags; int ret; if (!priv) return NULL; usbdev = priv->usbdev; if (!usbdev) return NULL; rq = kzalloc(sizeof(struct uss720_async_request), mem_flags); if (!rq) return NULL; kref_init(&rq->ref_count); INIT_LIST_HEAD(&rq->asynclist); init_completion(&rq->compl); kref_get(&priv->ref_count); rq->priv = priv; rq->urb = usb_alloc_urb(0, mem_flags); if (!rq->urb) { kref_put(&rq->ref_count, destroy_async); return NULL; } rq->dr = kmalloc(sizeof(*rq->dr), mem_flags); if (!rq->dr) { kref_put(&rq->ref_count, destroy_async); return NULL; } rq->dr->bRequestType = requesttype; rq->dr->bRequest = request; rq->dr->wValue = cpu_to_le16(value); rq->dr->wIndex = cpu_to_le16(index); rq->dr->wLength = cpu_to_le16((request == 3) ? sizeof(rq->reg) : 0); usb_fill_control_urb(rq->urb, usbdev, (requesttype & 0x80) ? usb_rcvctrlpipe(usbdev, 0) : usb_sndctrlpipe(usbdev, 0), (unsigned char *)rq->dr, (request == 3) ? rq->reg : NULL, (request == 3) ? sizeof(rq->reg) : 0, async_complete, rq); /* rq->urb->transfer_flags |= URB_ASYNC_UNLINK; */ spin_lock_irqsave(&priv->asynclock, flags); list_add_tail(&rq->asynclist, &priv->asynclist); spin_unlock_irqrestore(&priv->asynclock, flags); kref_get(&rq->ref_count); ret = usb_submit_urb(rq->urb, mem_flags); if (!ret) return rq; destroy_async(&rq->ref_count); dev_err(&usbdev->dev, "submit_async_request submit_urb failed with %d\n", ret); return NULL; } static unsigned int kill_all_async_requests_priv(struct parport_uss720_private *priv) { struct uss720_async_request *rq; unsigned long flags; unsigned int ret = 0; spin_lock_irqsave(&priv->asynclock, flags); list_for_each_entry(rq, &priv->asynclist, asynclist) { usb_unlink_urb(rq->urb); ret++; } spin_unlock_irqrestore(&priv->asynclock, flags); return ret; } /* --------------------------------------------------------------------- */ static int get_1284_register(struct parport *pp, unsigned char reg, unsigned char *val, gfp_t mem_flags) { struct parport_uss720_private *priv; struct uss720_async_request *rq; static const unsigned char regindex[9] = { 4, 0, 1, 5, 5, 0, 2, 3, 6 }; int ret; if (!pp) return -EIO; priv = pp->private_data; rq = submit_async_request(priv, 3, 0xc0, ((unsigned int)reg) << 8, 0, mem_flags); if (!rq) { dev_err(&priv->usbdev->dev, "get_1284_register(%u) failed", (unsigned int)reg); return -EIO; } if (!val) { kref_put(&rq->ref_count, destroy_async); return 0; } if (wait_for_completion_timeout(&rq->compl, HZ)) { ret = rq->urb->status; *val = priv->reg[(reg >= 9) ? 0 : regindex[reg]]; if (ret) printk(KERN_WARNING "get_1284_register: " "usb error %d\n", ret); kref_put(&rq->ref_count, destroy_async); return ret; } printk(KERN_WARNING "get_1284_register timeout\n"); kill_all_async_requests_priv(priv); return -EIO; } static int set_1284_register(struct parport *pp, unsigned char reg, unsigned char val, gfp_t mem_flags) { struct parport_uss720_private *priv; struct uss720_async_request *rq; if (!pp) return -EIO; priv = pp->private_data; rq = submit_async_request(priv, 4, 0x40, (((unsigned int)reg) << 8) | val, 0, mem_flags); if (!rq) { dev_err(&priv->usbdev->dev, "set_1284_register(%u,%u) failed", (unsigned int)reg, (unsigned int)val); return -EIO; } kref_put(&rq->ref_count, destroy_async); return 0; } /* --------------------------------------------------------------------- */ /* ECR modes */ #define ECR_SPP 00 #define ECR_PS2 01 #define ECR_PPF 02 #define ECR_ECP 03 #define ECR_EPP 04 /* Safely change the mode bits in the ECR */ static int change_mode(struct parport *pp, int m) { struct parport_uss720_private *priv = pp->private_data; int mode; __u8 reg; if (get_1284_register(pp, 6, ®, GFP_KERNEL)) return -EIO; /* Bits <7:5> contain the mode. */ mode = (priv->reg[2] >> 5) & 0x7; if (mode == m) return 0; /* We have to go through mode 000 or 001 */ if (mode > ECR_PS2 && m > ECR_PS2) if (change_mode(pp, ECR_PS2)) return -EIO; if (m <= ECR_PS2 && !(priv->reg[1] & 0x20)) { /* This mode resets the FIFO, so we may * have to wait for it to drain first. */ unsigned long expire = jiffies + pp->physport->cad->timeout; switch (mode) { case ECR_PPF: /* Parallel Port FIFO mode */ case ECR_ECP: /* ECP Parallel Port mode */ /* Poll slowly. */ for (;;) { if (get_1284_register(pp, 6, ®, GFP_KERNEL)) return -EIO; if (priv->reg[2] & 0x01) break; if (time_after_eq (jiffies, expire)) /* The FIFO is stuck. */ return -EBUSY; msleep_interruptible(10); if (signal_pending (current)) break; } } } /* Set the mode. */ if (set_1284_register(pp, 6, m << 5, GFP_KERNEL)) return -EIO; if (get_1284_register(pp, 6, ®, GFP_KERNEL)) return -EIO; return 0; } /* * Clear TIMEOUT BIT in EPP MODE */ static int clear_epp_timeout(struct parport *pp) { unsigned char stat; if (get_1284_register(pp, 1, &stat, GFP_KERNEL)) return 1; return stat & 1; } /* * Access functions. */ #if 0 static int uss720_irq(int usbstatus, void *buffer, int len, void *dev_id) { struct parport *pp = (struct parport *)dev_id; struct parport_uss720_private *priv = pp->private_data; if (usbstatus != 0 || len < 4 || !buffer) return 1; memcpy(priv->reg, buffer, 4); /* if nAck interrupts are enabled and we have an interrupt, call the interrupt procedure */ if (priv->reg[2] & priv->reg[1] & 0x10) parport_generic_irq(pp); return 1; } #endif static void parport_uss720_write_data(struct parport *pp, unsigned char d) { set_1284_register(pp, 0, d, GFP_KERNEL); } static unsigned char parport_uss720_read_data(struct parport *pp) { unsigned char ret; if (get_1284_register(pp, 0, &ret, GFP_KERNEL)) return 0; return ret; } static void parport_uss720_write_control(struct parport *pp, unsigned char d) { struct parport_uss720_private *priv = pp->private_data; d = (d & 0xf) | (priv->reg[1] & 0xf0); if (set_1284_register(pp, 2, d, GFP_KERNEL)) return; priv->reg[1] = d; } static unsigned char parport_uss720_read_control(struct parport *pp) { struct parport_uss720_private *priv = pp->private_data; return priv->reg[1] & 0xf; /* Use soft copy */ } static unsigned char parport_uss720_frob_control(struct parport *pp, unsigned char mask, unsigned char val) { struct parport_uss720_private *priv = pp->private_data; unsigned char d; mask &= 0x0f; val &= 0x0f; d = (priv->reg[1] & (~mask)) ^ val; if (set_1284_register(pp, 2, d, GFP_ATOMIC)) return 0; priv->reg[1] = d; return d & 0xf; } static unsigned char parport_uss720_read_status(struct parport *pp) { unsigned char ret; if (get_1284_register(pp, 1, &ret, GFP_ATOMIC)) return 0; return ret & 0xf8; } static void parport_uss720_disable_irq(struct parport *pp) { struct parport_uss720_private *priv = pp->private_data; unsigned char d; d = priv->reg[1] & ~0x10; if (set_1284_register(pp, 2, d, GFP_KERNEL)) return; priv->reg[1] = d; } static void parport_uss720_enable_irq(struct parport *pp) { struct parport_uss720_private *priv = pp->private_data; unsigned char d; d = priv->reg[1] | 0x10; if (set_1284_register(pp, 2, d, GFP_KERNEL)) return; priv->reg[1] = d; } static void parport_uss720_data_forward (struct parport *pp) { struct parport_uss720_private *priv = pp->private_data; unsigned char d; d = priv->reg[1] & ~0x20; if (set_1284_register(pp, 2, d, GFP_KERNEL)) return; priv->reg[1] = d; } static void parport_uss720_data_reverse (struct parport *pp) { struct parport_uss720_private *priv = pp->private_data; unsigned char d; d = priv->reg[1] | 0x20; if (set_1284_register(pp, 2, d, GFP_KERNEL)) return; priv->reg[1] = d; } static void parport_uss720_init_state(struct pardevice *dev, struct parport_state *s) { s->u.pc.ctr = 0xc | (dev->irq_func ? 0x10 : 0x0); s->u.pc.ecr = 0x24; } static void parport_uss720_save_state(struct parport *pp, struct parport_state *s) { struct parport_uss720_private *priv = pp->private_data; #if 0 if (get_1284_register(pp, 2, NULL, GFP_ATOMIC)) return; #endif s->u.pc.ctr = priv->reg[1]; s->u.pc.ecr = priv->reg[2]; } static void parport_uss720_restore_state(struct parport *pp, struct parport_state *s) { struct parport_uss720_private *priv = pp->private_data; set_1284_register(pp, 2, s->u.pc.ctr, GFP_ATOMIC); set_1284_register(pp, 6, s->u.pc.ecr, GFP_ATOMIC); get_1284_register(pp, 2, NULL, GFP_ATOMIC); priv->reg[1] = s->u.pc.ctr; priv->reg[2] = s->u.pc.ecr; } static size_t parport_uss720_epp_read_data(struct parport *pp, void *buf, size_t length, int flags) { struct parport_uss720_private *priv = pp->private_data; size_t got = 0; if (change_mode(pp, ECR_EPP)) return 0; for (; got < length; got++) { if (get_1284_register(pp, 4, (char *)buf, GFP_KERNEL)) break; buf++; if (priv->reg[0] & 0x01) { clear_epp_timeout(pp); break; } } change_mode(pp, ECR_PS2); return got; } static size_t parport_uss720_epp_write_data(struct parport *pp, const void *buf, size_t length, int flags) { #if 0 struct parport_uss720_private *priv = pp->private_data; size_t written = 0; if (change_mode(pp, ECR_EPP)) return 0; for (; written < length; written++) { if (set_1284_register(pp, 4, (char *)buf, GFP_KERNEL)) break; ((char*)buf)++; if (get_1284_register(pp, 1, NULL, GFP_KERNEL)) break; if (priv->reg[0] & 0x01) { clear_epp_timeout(pp); break; } } change_mode(pp, ECR_PS2); return written; #else struct parport_uss720_private *priv = pp->private_data; struct usb_device *usbdev = priv->usbdev; int rlen = 0; int i; if (!usbdev) return 0; if (change_mode(pp, ECR_EPP)) return 0; i = usb_bulk_msg(usbdev, usb_sndbulkpipe(usbdev, 1), (void *)buf, length, &rlen, 20000); if (i) printk(KERN_ERR "uss720: sendbulk ep 1 buf %p len %zu rlen %u\n", buf, length, rlen); change_mode(pp, ECR_PS2); return rlen; #endif } static size_t parport_uss720_epp_read_addr(struct parport *pp, void *buf, size_t length, int flags) { struct parport_uss720_private *priv = pp->private_data; size_t got = 0; if (change_mode(pp, ECR_EPP)) return 0; for (; got < length; got++) { if (get_1284_register(pp, 3, (char *)buf, GFP_KERNEL)) break; buf++; if (priv->reg[0] & 0x01) { clear_epp_timeout(pp); break; } } change_mode(pp, ECR_PS2); return got; } static size_t parport_uss720_epp_write_addr(struct parport *pp, const void *buf, size_t length, int flags) { struct parport_uss720_private *priv = pp->private_data; size_t written = 0; if (change_mode(pp, ECR_EPP)) return 0; for (; written < length; written++) { if (set_1284_register(pp, 3, *(char *)buf, GFP_KERNEL)) break; buf++; if (get_1284_register(pp, 1, NULL, GFP_KERNEL)) break; if (priv->reg[0] & 0x01) { clear_epp_timeout(pp); break; } } change_mode(pp, ECR_PS2); return written; } static size_t parport_uss720_ecp_write_data(struct parport *pp, const void *buffer, size_t len, int flags) { struct parport_uss720_private *priv = pp->private_data; struct usb_device *usbdev = priv->usbdev; int rlen = 0; int i; if (!usbdev) return 0; if (change_mode(pp, ECR_ECP)) return 0; i = usb_bulk_msg(usbdev, usb_sndbulkpipe(usbdev, 1), (void *)buffer, len, &rlen, 20000); if (i) printk(KERN_ERR "uss720: sendbulk ep 1 buf %p len %zu rlen %u\n", buffer, len, rlen); change_mode(pp, ECR_PS2); return rlen; } static size_t parport_uss720_ecp_read_data(struct parport *pp, void *buffer, size_t len, int flags) { struct parport_uss720_private *priv = pp->private_data; struct usb_device *usbdev = priv->usbdev; int rlen = 0; int i; if (!usbdev) return 0; if (change_mode(pp, ECR_ECP)) return 0; i = usb_bulk_msg(usbdev, usb_rcvbulkpipe(usbdev, 2), buffer, len, &rlen, 20000); if (i) printk(KERN_ERR "uss720: recvbulk ep 2 buf %p len %zu rlen %u\n", buffer, len, rlen); change_mode(pp, ECR_PS2); return rlen; } static size_t parport_uss720_ecp_write_addr(struct parport *pp, const void *buffer, size_t len, int flags) { size_t written = 0; if (change_mode(pp, ECR_ECP)) return 0; for (; written < len; written++) { if (set_1284_register(pp, 5, *(char *)buffer, GFP_KERNEL)) break; buffer++; } change_mode(pp, ECR_PS2); return written; } static size_t parport_uss720_write_compat(struct parport *pp, const void *buffer, size_t len, int flags) { struct parport_uss720_private *priv = pp->private_data; struct usb_device *usbdev = priv->usbdev; int rlen = 0; int i; if (!usbdev) return 0; if (change_mode(pp, ECR_PPF)) return 0; i = usb_bulk_msg(usbdev, usb_sndbulkpipe(usbdev, 1), (void *)buffer, len, &rlen, 20000); if (i) printk(KERN_ERR "uss720: sendbulk ep 1 buf %p len %zu rlen %u\n", buffer, len, rlen); change_mode(pp, ECR_PS2); return rlen; } /* --------------------------------------------------------------------- */ static struct parport_operations parport_uss720_ops = { .owner = THIS_MODULE, .write_data = parport_uss720_write_data, .read_data = parport_uss720_read_data, .write_control = parport_uss720_write_control, .read_control = parport_uss720_read_control, .frob_control = parport_uss720_frob_control, .read_status = parport_uss720_read_status, .enable_irq = parport_uss720_enable_irq, .disable_irq = parport_uss720_disable_irq, .data_forward = parport_uss720_data_forward, .data_reverse = parport_uss720_data_reverse, .init_state = parport_uss720_init_state, .save_state = parport_uss720_save_state, .restore_state = parport_uss720_restore_state, .epp_write_data = parport_uss720_epp_write_data, .epp_read_data = parport_uss720_epp_read_data, .epp_write_addr = parport_uss720_epp_write_addr, .epp_read_addr = parport_uss720_epp_read_addr, .ecp_write_data = parport_uss720_ecp_write_data, .ecp_read_data = parport_uss720_ecp_read_data, .ecp_write_addr = parport_uss720_ecp_write_addr, .compat_write_data = parport_uss720_write_compat, .nibble_read_data = parport_ieee1284_read_nibble, .byte_read_data = parport_ieee1284_read_byte, }; /* --------------------------------------------------------------------- */ static int uss720_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *usbdev = usb_get_dev(interface_to_usbdev(intf)); struct usb_host_interface *interface; struct usb_endpoint_descriptor *epd; struct parport_uss720_private *priv; struct parport *pp; unsigned char reg; int i; dev_dbg(&intf->dev, "probe: vendor id 0x%x, device id 0x%x\n", le16_to_cpu(usbdev->descriptor.idVendor), le16_to_cpu(usbdev->descriptor.idProduct)); /* our known interfaces have 3 alternate settings */ if (intf->num_altsetting != 3) { usb_put_dev(usbdev); return -ENODEV; } i = usb_set_interface(usbdev, intf->altsetting->desc.bInterfaceNumber, 2); dev_dbg(&intf->dev, "set interface result %d\n", i); interface = intf->cur_altsetting; if (interface->desc.bNumEndpoints < 3) { usb_put_dev(usbdev); return -ENODEV; } /* * Allocate parport interface */ priv = kzalloc(sizeof(struct parport_uss720_private), GFP_KERNEL); if (!priv) { usb_put_dev(usbdev); return -ENOMEM; } priv->pp = NULL; priv->usbdev = usbdev; kref_init(&priv->ref_count); spin_lock_init(&priv->asynclock); INIT_LIST_HEAD(&priv->asynclist); pp = parport_register_port(0, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &parport_uss720_ops); if (!pp) { printk(KERN_WARNING "uss720: could not register parport\n"); goto probe_abort; } priv->pp = pp; pp->private_data = priv; pp->modes = PARPORT_MODE_PCSPP | PARPORT_MODE_TRISTATE | PARPORT_MODE_EPP | PARPORT_MODE_ECP | PARPORT_MODE_COMPAT; /* set the USS720 control register to manual mode, no ECP compression, enable all ints */ set_1284_register(pp, 7, 0x00, GFP_KERNEL); set_1284_register(pp, 6, 0x30, GFP_KERNEL); /* PS/2 mode */ set_1284_register(pp, 2, 0x0c, GFP_KERNEL); /* debugging */ get_1284_register(pp, 0, ®, GFP_KERNEL); dev_dbg(&intf->dev, "reg: %7ph\n", priv->reg); i = usb_find_last_int_in_endpoint(interface, &epd); if (!i) { dev_dbg(&intf->dev, "epaddr %d interval %d\n", epd->bEndpointAddress, epd->bInterval); } parport_announce_port(pp); usb_set_intfdata(intf, pp); return 0; probe_abort: kill_all_async_requests_priv(priv); kref_put(&priv->ref_count, destroy_priv); return -ENODEV; } static void uss720_disconnect(struct usb_interface *intf) { struct parport *pp = usb_get_intfdata(intf); struct parport_uss720_private *priv; dev_dbg(&intf->dev, "disconnect\n"); usb_set_intfdata(intf, NULL); if (pp) { priv = pp->private_data; priv->pp = NULL; dev_dbg(&intf->dev, "parport_remove_port\n"); parport_remove_port(pp); parport_put_port(pp); kill_all_async_requests_priv(priv); kref_put(&priv->ref_count, destroy_priv); } dev_dbg(&intf->dev, "disconnect done\n"); } /* table of cables that work through this driver */ static const struct usb_device_id uss720_table[] = { { USB_DEVICE(0x047e, 0x1001) }, { USB_DEVICE(0x04b8, 0x0002) }, { USB_DEVICE(0x04b8, 0x0003) }, { USB_DEVICE(0x050d, 0x0002) }, { USB_DEVICE(0x050d, 0x1202) }, { USB_DEVICE(0x0557, 0x2001) }, { USB_DEVICE(0x05ab, 0x0002) }, { USB_DEVICE(0x06c6, 0x0100) }, { USB_DEVICE(0x0729, 0x1284) }, { USB_DEVICE(0x1293, 0x0002) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE (usb, uss720_table); static struct usb_driver uss720_driver = { .name = "uss720", .probe = uss720_probe, .disconnect = uss720_disconnect, .id_table = uss720_table, }; /* --------------------------------------------------------------------- */ MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); static int __init uss720_init(void) { int retval; retval = usb_register(&uss720_driver); if (retval) goto out; printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); printk(KERN_INFO KBUILD_MODNAME ": NOTE: this is a special purpose " "driver to allow nonstandard\n"); printk(KERN_INFO KBUILD_MODNAME ": protocols (eg. bitbang) over " "USS720 usb to parallel cables\n"); printk(KERN_INFO KBUILD_MODNAME ": If you just want to connect to a " "printer, use usblp instead\n"); out: return retval; } static void __exit uss720_cleanup(void) { usb_deregister(&uss720_driver); } module_init(uss720_init); module_exit(uss720_cleanup); /* --------------------------------------------------------------------- */
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