| /* |
| USB Driver for Sierra Wireless |
| |
| Copyright (C) 2006, 2007 Kevin Lloyd <linux@sierrawireless.com> |
| |
| IMPORTANT DISCLAIMER: This driver is not commercially supported by |
| Sierra Wireless. Use at your own risk. |
| |
| This driver is free software; you can redistribute it and/or modify |
| it under the terms of Version 2 of the GNU General Public License as |
| published by the Free Software Foundation. |
| |
| Portions based on the option driver by Matthias Urlichs <smurf@smurf.noris.de> |
| Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org> |
| */ |
| |
| #define DRIVER_VERSION "v.1.2.5b" |
| #define DRIVER_AUTHOR "Kevin Lloyd <linux@sierrawireless.com>" |
| #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems" |
| |
| #include <linux/kernel.h> |
| #include <linux/jiffies.h> |
| #include <linux/errno.h> |
| #include <linux/tty.h> |
| #include <linux/tty_flip.h> |
| #include <linux/module.h> |
| #include <linux/usb.h> |
| #include <linux/usb/serial.h> |
| |
| #define SWIMS_USB_REQUEST_SetMode 0x0B |
| #define SWIMS_USB_REQUEST_TYPE_SetMode 0x40 |
| #define SWIMS_USB_INDEX_SetMode 0x0000 |
| #define SWIMS_SET_MODE_Modem 0x0001 |
| |
| /* per port private data */ |
| #define N_IN_URB 4 |
| #define N_OUT_URB 4 |
| #define IN_BUFLEN 4096 |
| |
| static int debug; |
| |
| enum devicetype { |
| DEVICE_3_PORT = 0, |
| DEVICE_1_PORT = 1, |
| DEVICE_INSTALLER = 2, |
| }; |
| |
| static int sierra_set_power_state(struct usb_device *udev, __u16 swiState) |
| { |
| int result; |
| dev_dbg(&udev->dev, "%s", "SET POWER STATE\n"); |
| result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| 0x00, /* __u8 request */ |
| 0x40, /* __u8 request type */ |
| swiState, /* __u16 value */ |
| 0, /* __u16 index */ |
| NULL, /* void *data */ |
| 0, /* __u16 size */ |
| USB_CTRL_SET_TIMEOUT); /* int timeout */ |
| return result; |
| } |
| |
| static int sierra_set_ms_mode(struct usb_device *udev, __u16 eSocMode) |
| { |
| int result; |
| dev_dbg(&udev->dev, "%s", "DEVICE MODE SWITCH\n"); |
| result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
| SWIMS_USB_REQUEST_SetMode, /* __u8 request */ |
| SWIMS_USB_REQUEST_TYPE_SetMode, /* __u8 request type */ |
| eSocMode, /* __u16 value */ |
| SWIMS_USB_INDEX_SetMode, /* __u16 index */ |
| NULL, /* void *data */ |
| 0, /* __u16 size */ |
| USB_CTRL_SET_TIMEOUT); /* int timeout */ |
| return result; |
| } |
| |
| static int sierra_probe(struct usb_interface *iface, |
| const struct usb_device_id *id) |
| { |
| int result; |
| struct usb_device *udev; |
| |
| udev = usb_get_dev(interface_to_usbdev(iface)); |
| |
| /* Check if in installer mode */ |
| if (id->driver_info == DEVICE_INSTALLER) { |
| dev_dbg(&udev->dev, "%s", "FOUND DEVICE(SW)\n"); |
| result = sierra_set_ms_mode(udev, SWIMS_SET_MODE_Modem); |
| /*We do not want to bind to the device when in installer mode*/ |
| return -EIO; |
| } |
| |
| return usb_serial_probe(iface, id); |
| } |
| |
| static struct usb_device_id id_table [] = { |
| { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */ |
| { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */ |
| { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ |
| { USB_DEVICE(0x0f30, 0x1b1d) }, /* Sierra Wireless MC5720 */ |
| { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ |
| { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */ |
| { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ |
| { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ |
| { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */ |
| { USB_DEVICE(0x1199, 0x0023) }, /* Sierra Wireless AirCard */ |
| |
| { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ |
| { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */ |
| { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ |
| { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */ |
| { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Thinkpad internal) */ |
| { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ |
| { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/ |
| { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/ |
| { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */ |
| { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */ |
| { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */ |
| { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */ |
| { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */ |
| { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */ |
| |
| { USB_DEVICE(0x1199, 0x6468) }, /* Sierra Wireless MP3G - EVDO */ |
| { USB_DEVICE(0x1199, 0x6469) }, /* Sierra Wireless MP3G - UMTS/HSPA */ |
| |
| { USB_DEVICE(0x1199, 0x0112), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 580 */ |
| { USB_DEVICE(0x0F3D, 0x0112), .driver_info = DEVICE_1_PORT }, /* Airprime/Sierra PC 5220 */ |
| { USB_DEVICE(0x05C6, 0x6613), .driver_info = DEVICE_1_PORT }, /* Onda H600/ZTE MF330 */ |
| |
| { USB_DEVICE(0x1199, 0x0FFF), .driver_info = DEVICE_INSTALLER}, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(usb, id_table); |
| |
| static struct usb_device_id id_table_1port [] = { |
| { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */ |
| { USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra PC 5220 */ |
| { USB_DEVICE(0x05C6, 0x6613) }, /* Onda H600/ZTE MF330 */ |
| { } |
| }; |
| |
| static struct usb_device_id id_table_3port [] = { |
| { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */ |
| { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */ |
| { USB_DEVICE(0x0f30, 0x1b1d) }, /* Sierra Wireless MC5720 */ |
| { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ |
| { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ |
| { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */ |
| { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ |
| { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ |
| { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U*/ |
| { USB_DEVICE(0x1199, 0x0023) }, /* Sierra Wireless AirCard */ |
| |
| { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ |
| { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */ |
| { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ |
| { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */ |
| { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Thinkpad internal) */ |
| { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ |
| { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/ |
| { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/ |
| { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */ |
| { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */ |
| { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880E */ |
| { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881E */ |
| { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */ |
| { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881U */ |
| { USB_DEVICE(0x1199, 0x6468) }, /* Sierra Wireless MP3G - EVDO */ |
| { USB_DEVICE(0x1199, 0x6469) }, /* Sierra Wireless MP3G - UMTS/HSPA */ |
| { } |
| }; |
| |
| static struct usb_driver sierra_driver = { |
| .name = "sierra", |
| .probe = sierra_probe, |
| .disconnect = usb_serial_disconnect, |
| .id_table = id_table, |
| .no_dynamic_id = 1, |
| }; |
| |
| |
| struct sierra_port_private { |
| spinlock_t lock; /* lock the structure */ |
| int outstanding_urbs; /* number of out urbs in flight */ |
| |
| /* Input endpoints and buffer for this port */ |
| struct urb *in_urbs[N_IN_URB]; |
| char in_buffer[N_IN_URB][IN_BUFLEN]; |
| |
| /* Settings for the port */ |
| int rts_state; /* Handshaking pins (outputs) */ |
| int dtr_state; |
| int cts_state; /* Handshaking pins (inputs) */ |
| int dsr_state; |
| int dcd_state; |
| int ri_state; |
| }; |
| |
| static int sierra_send_setup(struct usb_serial_port *port) |
| { |
| struct usb_serial *serial = port->serial; |
| struct sierra_port_private *portdata; |
| |
| dbg("%s", __FUNCTION__); |
| |
| portdata = usb_get_serial_port_data(port); |
| |
| if (port->tty) { |
| int val = 0; |
| if (portdata->dtr_state) |
| val |= 0x01; |
| if (portdata->rts_state) |
| val |= 0x02; |
| |
| return usb_control_msg(serial->dev, |
| usb_rcvctrlpipe(serial->dev, 0), |
| 0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT); |
| } |
| |
| return 0; |
| } |
| |
| static void sierra_rx_throttle(struct usb_serial_port *port) |
| { |
| dbg("%s", __FUNCTION__); |
| } |
| |
| static void sierra_rx_unthrottle(struct usb_serial_port *port) |
| { |
| dbg("%s", __FUNCTION__); |
| } |
| |
| static void sierra_break_ctl(struct usb_serial_port *port, int break_state) |
| { |
| /* Unfortunately, I don't know how to send a break */ |
| dbg("%s", __FUNCTION__); |
| } |
| |
| static void sierra_set_termios(struct usb_serial_port *port, |
| struct ktermios *old_termios) |
| { |
| dbg("%s", __FUNCTION__); |
| tty_termios_copy_hw(port->tty->termios, old_termios); |
| sierra_send_setup(port); |
| } |
| |
| static int sierra_tiocmget(struct usb_serial_port *port, struct file *file) |
| { |
| unsigned int value; |
| struct sierra_port_private *portdata; |
| |
| portdata = usb_get_serial_port_data(port); |
| |
| value = ((portdata->rts_state) ? TIOCM_RTS : 0) | |
| ((portdata->dtr_state) ? TIOCM_DTR : 0) | |
| ((portdata->cts_state) ? TIOCM_CTS : 0) | |
| ((portdata->dsr_state) ? TIOCM_DSR : 0) | |
| ((portdata->dcd_state) ? TIOCM_CAR : 0) | |
| ((portdata->ri_state) ? TIOCM_RNG : 0); |
| |
| return value; |
| } |
| |
| static int sierra_tiocmset(struct usb_serial_port *port, struct file *file, |
| unsigned int set, unsigned int clear) |
| { |
| struct sierra_port_private *portdata; |
| |
| portdata = usb_get_serial_port_data(port); |
| |
| if (set & TIOCM_RTS) |
| portdata->rts_state = 1; |
| if (set & TIOCM_DTR) |
| portdata->dtr_state = 1; |
| |
| if (clear & TIOCM_RTS) |
| portdata->rts_state = 0; |
| if (clear & TIOCM_DTR) |
| portdata->dtr_state = 0; |
| return sierra_send_setup(port); |
| } |
| |
| static int sierra_ioctl(struct usb_serial_port *port, struct file *file, |
| unsigned int cmd, unsigned long arg) |
| { |
| return -ENOIOCTLCMD; |
| } |
| |
| static void sierra_outdat_callback(struct urb *urb) |
| { |
| struct usb_serial_port *port = urb->context; |
| struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| int status = urb->status; |
| unsigned long flags; |
| |
| dbg("%s - port %d", __FUNCTION__, port->number); |
| |
| /* free up the transfer buffer, as usb_free_urb() does not do this */ |
| kfree(urb->transfer_buffer); |
| |
| if (status) |
| dbg("%s - nonzero write bulk status received: %d", |
| __FUNCTION__, status); |
| |
| spin_lock_irqsave(&portdata->lock, flags); |
| --portdata->outstanding_urbs; |
| spin_unlock_irqrestore(&portdata->lock, flags); |
| |
| usb_serial_port_softint(port); |
| } |
| |
| /* Write */ |
| static int sierra_write(struct usb_serial_port *port, |
| const unsigned char *buf, int count) |
| { |
| struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| struct usb_serial *serial = port->serial; |
| unsigned long flags; |
| unsigned char *buffer; |
| struct urb *urb; |
| int status; |
| |
| portdata = usb_get_serial_port_data(port); |
| |
| dbg("%s: write (%d chars)", __FUNCTION__, count); |
| |
| spin_lock_irqsave(&portdata->lock, flags); |
| if (portdata->outstanding_urbs > N_OUT_URB) { |
| spin_unlock_irqrestore(&portdata->lock, flags); |
| dbg("%s - write limit hit\n", __FUNCTION__); |
| return 0; |
| } |
| portdata->outstanding_urbs++; |
| spin_unlock_irqrestore(&portdata->lock, flags); |
| |
| buffer = kmalloc(count, GFP_ATOMIC); |
| if (!buffer) { |
| dev_err(&port->dev, "out of memory\n"); |
| count = -ENOMEM; |
| goto error_no_buffer; |
| } |
| |
| urb = usb_alloc_urb(0, GFP_ATOMIC); |
| if (!urb) { |
| dev_err(&port->dev, "no more free urbs\n"); |
| count = -ENOMEM; |
| goto error_no_urb; |
| } |
| |
| memcpy(buffer, buf, count); |
| |
| usb_serial_debug_data(debug, &port->dev, __FUNCTION__, count, buffer); |
| |
| usb_fill_bulk_urb(urb, serial->dev, |
| usb_sndbulkpipe(serial->dev, |
| port->bulk_out_endpointAddress), |
| buffer, count, sierra_outdat_callback, port); |
| |
| /* send it down the pipe */ |
| status = usb_submit_urb(urb, GFP_ATOMIC); |
| if (status) { |
| dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed " |
| "with status = %d\n", __FUNCTION__, status); |
| count = status; |
| goto error; |
| } |
| |
| /* we are done with this urb, so let the host driver |
| * really free it when it is finished with it */ |
| usb_free_urb(urb); |
| |
| return count; |
| error: |
| usb_free_urb(urb); |
| error_no_urb: |
| kfree(buffer); |
| error_no_buffer: |
| spin_lock_irqsave(&portdata->lock, flags); |
| --portdata->outstanding_urbs; |
| spin_unlock_irqrestore(&portdata->lock, flags); |
| return count; |
| } |
| |
| static void sierra_indat_callback(struct urb *urb) |
| { |
| int err; |
| int endpoint; |
| struct usb_serial_port *port; |
| struct tty_struct *tty; |
| unsigned char *data = urb->transfer_buffer; |
| int status = urb->status; |
| |
| dbg("%s: %p", __FUNCTION__, urb); |
| |
| endpoint = usb_pipeendpoint(urb->pipe); |
| port = (struct usb_serial_port *) urb->context; |
| |
| if (status) { |
| dbg("%s: nonzero status: %d on endpoint %02x.", |
| __FUNCTION__, status, endpoint); |
| } else { |
| tty = port->tty; |
| if (urb->actual_length) { |
| tty_buffer_request_room(tty, urb->actual_length); |
| tty_insert_flip_string(tty, data, urb->actual_length); |
| tty_flip_buffer_push(tty); |
| } else { |
| dbg("%s: empty read urb received", __FUNCTION__); |
| } |
| |
| /* Resubmit urb so we continue receiving */ |
| if (port->open_count && status != -ESHUTDOWN) { |
| err = usb_submit_urb(urb, GFP_ATOMIC); |
| if (err) |
| dev_err(&port->dev, "resubmit read urb failed." |
| "(%d)\n", err); |
| } |
| } |
| return; |
| } |
| |
| static void sierra_instat_callback(struct urb *urb) |
| { |
| int err; |
| int status = urb->status; |
| struct usb_serial_port *port = (struct usb_serial_port *) urb->context; |
| struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| struct usb_serial *serial = port->serial; |
| |
| dbg("%s", __FUNCTION__); |
| dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata); |
| |
| if (status == 0) { |
| struct usb_ctrlrequest *req_pkt = |
| (struct usb_ctrlrequest *)urb->transfer_buffer; |
| |
| if (!req_pkt) { |
| dbg("%s: NULL req_pkt\n", __FUNCTION__); |
| return; |
| } |
| if ((req_pkt->bRequestType == 0xA1) && |
| (req_pkt->bRequest == 0x20)) { |
| int old_dcd_state; |
| unsigned char signals = *((unsigned char *) |
| urb->transfer_buffer + |
| sizeof(struct usb_ctrlrequest)); |
| |
| dbg("%s: signal x%x", __FUNCTION__, signals); |
| |
| old_dcd_state = portdata->dcd_state; |
| portdata->cts_state = 1; |
| portdata->dcd_state = ((signals & 0x01) ? 1 : 0); |
| portdata->dsr_state = ((signals & 0x02) ? 1 : 0); |
| portdata->ri_state = ((signals & 0x08) ? 1 : 0); |
| |
| if (port->tty && !C_CLOCAL(port->tty) && |
| old_dcd_state && !portdata->dcd_state) |
| tty_hangup(port->tty); |
| } else { |
| dbg("%s: type %x req %x", __FUNCTION__, |
| req_pkt->bRequestType,req_pkt->bRequest); |
| } |
| } else |
| dbg("%s: error %d", __FUNCTION__, status); |
| |
| /* Resubmit urb so we continue receiving IRQ data */ |
| if (status != -ESHUTDOWN) { |
| urb->dev = serial->dev; |
| err = usb_submit_urb(urb, GFP_ATOMIC); |
| if (err) |
| dbg("%s: resubmit intr urb failed. (%d)", |
| __FUNCTION__, err); |
| } |
| } |
| |
| static int sierra_write_room(struct usb_serial_port *port) |
| { |
| struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
| unsigned long flags; |
| |
| dbg("%s - port %d", __FUNCTION__, port->number); |
| |
| /* try to give a good number back based on if we have any free urbs at |
| * this point in time */ |
| spin_lock_irqsave(&portdata->lock, flags); |
| if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) { |
| spin_unlock_irqrestore(&portdata->lock, flags); |
| dbg("%s - write limit hit\n", __FUNCTION__); |
| return 0; |
| } |
| spin_unlock_irqrestore(&portdata->lock, flags); |
| |
| return 2048; |
| } |
| |
| static int sierra_chars_in_buffer(struct usb_serial_port *port) |
| { |
| dbg("%s - port %d", __FUNCTION__, port->number); |
| |
| /* |
| * We can't really account for how much data we |
| * have sent out, but hasn't made it through to the |
| * device as we can't see the backend here, so just |
| * tell the tty layer that everything is flushed. |
| */ |
| return 0; |
| } |
| |
| static int sierra_open(struct usb_serial_port *port, struct file *filp) |
| { |
| struct sierra_port_private *portdata; |
| struct usb_serial *serial = port->serial; |
| int i; |
| struct urb *urb; |
| int result; |
| |
| portdata = usb_get_serial_port_data(port); |
| |
| dbg("%s", __FUNCTION__); |
| |
| /* Set some sane defaults */ |
| portdata->rts_state = 1; |
| portdata->dtr_state = 1; |
| |
| /* Reset low level data toggle and start reading from endpoints */ |
| for (i = 0; i < N_IN_URB; i++) { |
| urb = portdata->in_urbs[i]; |
| if (!urb) |
| continue; |
| if (urb->dev != serial->dev) { |
| dbg("%s: dev %p != %p", __FUNCTION__, |
| urb->dev, serial->dev); |
| continue; |
| } |
| |
| /* |
| * make sure endpoint data toggle is synchronized with the |
| * device |
| */ |
| usb_clear_halt(urb->dev, urb->pipe); |
| |
| result = usb_submit_urb(urb, GFP_KERNEL); |
| if (result) { |
| dev_err(&port->dev, "submit urb %d failed (%d) %d\n", |
| i, result, urb->transfer_buffer_length); |
| } |
| } |
| |
| port->tty->low_latency = 1; |
| |
| sierra_send_setup(port); |
| |
| /* start up the interrupt endpoint if we have one */ |
| if (port->interrupt_in_urb) { |
| result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); |
| if (result) |
| dev_err(&port->dev, "submit irq_in urb failed %d\n", |
| result); |
| } |
| return 0; |
| } |
| |
| static void sierra_close(struct usb_serial_port *port, struct file *filp) |
| { |
| int i; |
| struct usb_serial *serial = port->serial; |
| struct sierra_port_private *portdata; |
| |
| dbg("%s", __FUNCTION__); |
| portdata = usb_get_serial_port_data(port); |
| |
| portdata->rts_state = 0; |
| portdata->dtr_state = 0; |
| |
| if (serial->dev) { |
| sierra_send_setup(port); |
| |
| /* Stop reading/writing urbs */ |
| for (i = 0; i < N_IN_URB; i++) |
| usb_kill_urb(portdata->in_urbs[i]); |
| } |
| |
| usb_kill_urb(port->interrupt_in_urb); |
| |
| port->tty = NULL; |
| } |
| |
| static int sierra_startup(struct usb_serial *serial) |
| { |
| struct usb_serial_port *port; |
| struct sierra_port_private *portdata; |
| struct urb *urb; |
| int i; |
| int j; |
| |
| dbg("%s", __FUNCTION__); |
| |
| /*Set Device mode to D0 */ |
| sierra_set_power_state(serial->dev, 0x0000); |
| |
| /* Now setup per port private data */ |
| for (i = 0; i < serial->num_ports; i++) { |
| port = serial->port[i]; |
| portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); |
| if (!portdata) { |
| dbg("%s: kmalloc for sierra_port_private (%d) failed!.", |
| __FUNCTION__, i); |
| return -ENOMEM; |
| } |
| spin_lock_init(&portdata->lock); |
| |
| usb_set_serial_port_data(port, portdata); |
| |
| /* initialize the in urbs */ |
| for (j = 0; j < N_IN_URB; ++j) { |
| urb = usb_alloc_urb(0, GFP_KERNEL); |
| if (urb == NULL) { |
| dbg("%s: alloc for in port failed.", |
| __FUNCTION__); |
| continue; |
| } |
| /* Fill URB using supplied data. */ |
| usb_fill_bulk_urb(urb, serial->dev, |
| usb_rcvbulkpipe(serial->dev, |
| port->bulk_in_endpointAddress), |
| portdata->in_buffer[j], IN_BUFLEN, |
| sierra_indat_callback, port); |
| portdata->in_urbs[j] = urb; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void sierra_shutdown(struct usb_serial *serial) |
| { |
| int i, j; |
| struct usb_serial_port *port; |
| struct sierra_port_private *portdata; |
| |
| dbg("%s", __FUNCTION__); |
| |
| for (i = 0; i < serial->num_ports; ++i) { |
| port = serial->port[i]; |
| if (!port) |
| continue; |
| portdata = usb_get_serial_port_data(port); |
| if (!portdata) |
| continue; |
| |
| for (j = 0; j < N_IN_URB; j++) { |
| usb_kill_urb(portdata->in_urbs[j]); |
| usb_free_urb(portdata->in_urbs[j]); |
| portdata->in_urbs[j] = NULL; |
| } |
| kfree(portdata); |
| usb_set_serial_port_data(port, NULL); |
| } |
| } |
| |
| static struct usb_serial_driver sierra_1port_device = { |
| .driver = { |
| .owner = THIS_MODULE, |
| .name = "sierra1", |
| }, |
| .description = "Sierra USB modem (1 port)", |
| .id_table = id_table_1port, |
| .usb_driver = &sierra_driver, |
| .num_interrupt_in = NUM_DONT_CARE, |
| .num_bulk_in = 1, |
| .num_bulk_out = 1, |
| .num_ports = 1, |
| .open = sierra_open, |
| .close = sierra_close, |
| .write = sierra_write, |
| .write_room = sierra_write_room, |
| .chars_in_buffer = sierra_chars_in_buffer, |
| .throttle = sierra_rx_throttle, |
| .unthrottle = sierra_rx_unthrottle, |
| .ioctl = sierra_ioctl, |
| .set_termios = sierra_set_termios, |
| .break_ctl = sierra_break_ctl, |
| .tiocmget = sierra_tiocmget, |
| .tiocmset = sierra_tiocmset, |
| .attach = sierra_startup, |
| .shutdown = sierra_shutdown, |
| .read_int_callback = sierra_instat_callback, |
| }; |
| |
| static struct usb_serial_driver sierra_3port_device = { |
| .driver = { |
| .owner = THIS_MODULE, |
| .name = "sierra3", |
| }, |
| .description = "Sierra USB modem (3 port)", |
| .id_table = id_table_3port, |
| .usb_driver = &sierra_driver, |
| .num_interrupt_in = NUM_DONT_CARE, |
| .num_bulk_in = 3, |
| .num_bulk_out = 3, |
| .num_ports = 3, |
| .open = sierra_open, |
| .close = sierra_close, |
| .write = sierra_write, |
| .write_room = sierra_write_room, |
| .chars_in_buffer = sierra_chars_in_buffer, |
| .throttle = sierra_rx_throttle, |
| .unthrottle = sierra_rx_unthrottle, |
| .ioctl = sierra_ioctl, |
| .set_termios = sierra_set_termios, |
| .break_ctl = sierra_break_ctl, |
| .tiocmget = sierra_tiocmget, |
| .tiocmset = sierra_tiocmset, |
| .attach = sierra_startup, |
| .shutdown = sierra_shutdown, |
| .read_int_callback = sierra_instat_callback, |
| }; |
| |
| /* Functions used by new usb-serial code. */ |
| static int __init sierra_init(void) |
| { |
| int retval; |
| retval = usb_serial_register(&sierra_1port_device); |
| if (retval) |
| goto failed_1port_device_register; |
| retval = usb_serial_register(&sierra_3port_device); |
| if (retval) |
| goto failed_3port_device_register; |
| |
| |
| retval = usb_register(&sierra_driver); |
| if (retval) |
| goto failed_driver_register; |
| |
| info(DRIVER_DESC ": " DRIVER_VERSION); |
| |
| return 0; |
| |
| failed_driver_register: |
| usb_serial_deregister(&sierra_3port_device); |
| failed_3port_device_register: |
| usb_serial_deregister(&sierra_1port_device); |
| failed_1port_device_register: |
| return retval; |
| } |
| |
| static void __exit sierra_exit(void) |
| { |
| usb_deregister (&sierra_driver); |
| usb_serial_deregister(&sierra_1port_device); |
| usb_serial_deregister(&sierra_3port_device); |
| } |
| |
| module_init(sierra_init); |
| module_exit(sierra_exit); |
| |
| MODULE_AUTHOR(DRIVER_AUTHOR); |
| MODULE_DESCRIPTION(DRIVER_DESC); |
| MODULE_VERSION(DRIVER_VERSION); |
| MODULE_LICENSE("GPL"); |
| |
| #ifdef CONFIG_USB_DEBUG |
| module_param(debug, bool, S_IRUGO | S_IWUSR); |
| MODULE_PARM_DESC(debug, "Debug messages"); |
| #endif |
| |