diff options
Diffstat (limited to 'drivers/usb/serial')
25 files changed, 704 insertions, 157 deletions
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index 70338f4ec91..b361f05cafa 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -496,6 +496,14 @@ config USB_SERIAL_SAFE_PADDED bool "USB Secure Encapsulated Driver - Padded" depends on USB_SERIAL_SAFE +config USB_SERIAL_SIEMENS_MPI + tristate "USB Siemens MPI driver" + help + Say M here if you want to use a Siemens USB/MPI adapter. + + To compile this driver as a module, choose M here: the + module will be called siemens_mpi. + config USB_SERIAL_SIERRAWIRELESS tristate "USB Sierra Wireless Driver" help @@ -565,6 +573,15 @@ config USB_SERIAL_OMNINET To compile this driver as a module, choose M here: the module will be called omninet. +config USB_SERIAL_OPTICON + tristate "USB Opticon Barcode driver (serial mode)" + help + Say Y here if you want to use a Opticon USB Barcode device + in serial emulation mode. + + To compile this driver as a module, choose M here: the + module will be called opticon. + config USB_SERIAL_DEBUG tristate "USB Debugging Device" help diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index 6047f818adf..b75be91eb8f 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -41,10 +41,12 @@ obj-$(CONFIG_USB_SERIAL_MOS7840) += mos7840.o obj-$(CONFIG_USB_SERIAL_MOTOROLA) += moto_modem.o obj-$(CONFIG_USB_SERIAL_NAVMAN) += navman.o obj-$(CONFIG_USB_SERIAL_OMNINET) += omninet.o +obj-$(CONFIG_USB_SERIAL_OPTICON) += opticon.o obj-$(CONFIG_USB_SERIAL_OPTION) += option.o obj-$(CONFIG_USB_SERIAL_OTI6858) += oti6858.o obj-$(CONFIG_USB_SERIAL_PL2303) += pl2303.o obj-$(CONFIG_USB_SERIAL_SAFE) += safe_serial.o +obj-$(CONFIG_USB_SERIAL_SIEMENS_MPI) += siemens_mpi.o obj-$(CONFIG_USB_SERIAL_SIERRAWIRELESS) += sierra.o obj-$(CONFIG_USB_SERIAL_SPCP8X5) += spcp8x5.o obj-$(CONFIG_USB_SERIAL_TI) += ti_usb_3410_5052.o diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 5b20de130e0..19e24045b13 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -135,6 +135,7 @@ static int usb_console_setup(struct console *co, char *options) err("no more memory"); goto reset_open_count; } + kref_init(&tty->kref); termios = kzalloc(sizeof(*termios), GFP_KERNEL); if (!termios) { retval = -ENOMEM; @@ -240,12 +241,25 @@ static void usb_console_write(struct console *co, } } +static struct tty_driver *usb_console_device(struct console *co, int *index) +{ + struct tty_driver **p = (struct tty_driver **)co->data; + + if (!*p) + return NULL; + + *index = co->index; + return *p; +} + static struct console usbcons = { .name = "ttyUSB", .write = usb_console_write, + .device = usb_console_device, .setup = usb_console_setup, .flags = CON_PRINTBUFFER, .index = -1, + .data = &usb_serial_tty_driver, }; void usb_serial_console_disconnect(struct usb_serial *serial) diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c index 8008d0bc80a..cfaf1f08553 100644 --- a/drivers/usb/serial/cp2101.c +++ b/drivers/usb/serial/cp2101.c @@ -56,6 +56,7 @@ static void cp2101_shutdown(struct usb_serial *); static int debug; static struct usb_device_id id_table [] = { + { USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */ { USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */ { USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */ { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */ @@ -67,6 +68,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0x10C4, 0x800A) }, /* SPORTident BSM7-D-USB main station */ { USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */ { USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */ + { USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */ { USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */ { USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */ { USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */ @@ -85,6 +87,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */ { USB_DEVICE(0x10c4, 0x8293) }, /* Telegesys ETRX2USB */ { USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */ + { USB_DEVICE(0x10C4, 0x83A8) }, /* Amber Wireless AMB2560 */ { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */ diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 69f84f0ea6f..38ba4ea8b6b 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -635,8 +635,7 @@ static int digi_write_oob_command(struct usb_serial_port *port, spin_lock_irqsave(&oob_priv->dp_port_lock, flags); while (count > 0) { - while (oob_port->write_urb->status == -EINPROGRESS - || oob_priv->dp_write_urb_in_use) { + while (oob_priv->dp_write_urb_in_use) { cond_wait_interruptible_timeout_irqrestore( &oob_port->write_wait, DIGI_RETRY_TIMEOUT, &oob_priv->dp_port_lock, flags); @@ -699,9 +698,8 @@ static int digi_write_inb_command(struct usb_serial_port *port, spin_lock_irqsave(&priv->dp_port_lock, flags); while (count > 0 && ret == 0) { - while ((port->write_urb->status == -EINPROGRESS - || priv->dp_write_urb_in_use) - && time_before(jiffies, timeout)) { + while (priv->dp_write_urb_in_use && + time_before(jiffies, timeout)) { cond_wait_interruptible_timeout_irqrestore( &port->write_wait, DIGI_RETRY_TIMEOUT, &priv->dp_port_lock, flags); @@ -779,8 +777,7 @@ static int digi_set_modem_signals(struct usb_serial_port *port, spin_lock_irqsave(&oob_priv->dp_port_lock, flags); spin_lock(&port_priv->dp_port_lock); - while (oob_port->write_urb->status == -EINPROGRESS || - oob_priv->dp_write_urb_in_use) { + while (oob_priv->dp_write_urb_in_use) { spin_unlock(&port_priv->dp_port_lock); cond_wait_interruptible_timeout_irqrestore( &oob_port->write_wait, DIGI_RETRY_TIMEOUT, @@ -1168,12 +1165,10 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port, /* be sure only one write proceeds at a time */ /* there are races on the port private buffer */ - /* and races to check write_urb->status */ spin_lock_irqsave(&priv->dp_port_lock, flags); /* wait for urb status clear to submit another urb */ - if (port->write_urb->status == -EINPROGRESS || - priv->dp_write_urb_in_use) { + if (priv->dp_write_urb_in_use) { /* buffer data if count is 1 (probably put_char) if possible */ if (count == 1 && priv->dp_out_buf_len < DIGI_OUT_BUF_SIZE) { priv->dp_out_buf[priv->dp_out_buf_len++] = *buf; @@ -1236,7 +1231,7 @@ static void digi_write_bulk_callback(struct urb *urb) int ret = 0; int status = urb->status; - dbg("digi_write_bulk_callback: TOP, urb->status=%d", status); + dbg("digi_write_bulk_callback: TOP, status=%d", status); /* port and serial sanity check */ if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) { @@ -1266,8 +1261,7 @@ static void digi_write_bulk_callback(struct urb *urb) /* try to send any buffered data on this port, if it is open */ spin_lock(&priv->dp_port_lock); priv->dp_write_urb_in_use = 0; - if (port->port.count && port->write_urb->status != -EINPROGRESS - && priv->dp_out_buf_len > 0) { + if (port->port.count && priv->dp_out_buf_len > 0) { *((unsigned char *)(port->write_urb->transfer_buffer)) = (unsigned char)DIGI_CMD_SEND_DATA; *((unsigned char *)(port->write_urb->transfer_buffer) + 1) @@ -1305,8 +1299,7 @@ static int digi_write_room(struct tty_struct *tty) spin_lock_irqsave(&priv->dp_port_lock, flags); - if (port->write_urb->status == -EINPROGRESS || - priv->dp_write_urb_in_use) + if (priv->dp_write_urb_in_use) room = 0; else room = port->bulk_out_size - 2 - priv->dp_out_buf_len; @@ -1322,8 +1315,7 @@ static int digi_chars_in_buffer(struct tty_struct *tty) struct usb_serial_port *port = tty->driver_data; struct digi_port *priv = usb_get_serial_port_data(port); - if (port->write_urb->status == -EINPROGRESS - || priv->dp_write_urb_in_use) { + if (priv->dp_write_urb_in_use) { dbg("digi_chars_in_buffer: port=%d, chars=%d", priv->dp_port_num, port->bulk_out_size - 2); /* return(port->bulk_out_size - 2); */ @@ -1702,7 +1694,7 @@ static int digi_read_inb_callback(struct urb *urb) /* short/multiple packet check */ if (urb->actual_length != len + 2) { dev_err(&port->dev, "%s: INCOMPLETE OR MULTIPLE PACKET, " - "urb->status=%d, port=%d, opcode=%d, len=%d, " + "status=%d, port=%d, opcode=%d, len=%d, " "actual_length=%d, status=%d\n", __func__, status, priv->dp_port_num, opcode, len, urb->actual_length, port_status); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 51d7bdea286..c70a8f667d8 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -143,6 +143,7 @@ static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = { static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) }, @@ -166,6 +167,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) }, @@ -1052,6 +1054,8 @@ static int set_serial_info(struct tty_struct *tty, if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) return -EFAULT; + + lock_kernel(); old_priv = *priv; /* Do error checking and permission checking */ @@ -1067,8 +1071,10 @@ static int set_serial_info(struct tty_struct *tty, } if ((new_serial.baud_base != priv->baud_base) && - (new_serial.baud_base < 9600)) + (new_serial.baud_base < 9600)) { + unlock_kernel(); return -EINVAL; + } /* Make the changes - these are privileged changes! */ @@ -1096,8 +1102,11 @@ check_and_exit: (priv->flags & ASYNC_SPD_MASK)) || (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && (old_priv.custom_divisor != priv->custom_divisor))) { + unlock_kernel(); change_speed(tty, port); } + else + unlock_kernel(); return 0; } /* set_serial_info */ @@ -1498,7 +1507,7 @@ static int ftdi_open(struct tty_struct *tty, priv->interface, buf, 0, WDR_TIMEOUT); /* Termios defaults are set by usb_serial_init. We don't change - port->tty->termios - this would loose speed settings, etc. + port->tty->termios - this would lose speed settings, etc. This is same behaviour as serial.c/rs_open() - Kuba */ /* ftdi_set_termios will send usb control messages */ @@ -2021,7 +2030,7 @@ static void ftdi_process_read(struct work_struct *work) spin_unlock_irqrestore(&priv->rx_lock, flags); dbg("%s - deferring remainder until unthrottled", __func__); - return; + goto out; } spin_unlock_irqrestore(&priv->rx_lock, flags); /* if the port is closed stop trying to read */ diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index 07a3992abad..373ee09975b 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -40,6 +40,9 @@ /* AlphaMicro Components AMC-232USB01 device */ #define FTDI_AMC232_PID 0xFF00 /* Product Id */ +/* www.candapter.com Ewert Energy Systems CANdapter device */ +#define FTDI_CANDAPTER_PID 0x9F80 /* Product Id */ + /* SCS HF Radio Modems PID's (http://www.scs-ptc.com) */ /* the VID is the standard ftdi vid (FTDI_VID) */ #define FTDI_SCS_DEVICE_0_PID 0xD010 /* SCS PTC-IIusb */ @@ -75,6 +78,9 @@ /* OpenDCC (www.opendcc.de) product id */ #define FTDI_OPENDCC_PID 0xBFD8 +/* Sprog II (Andrew Crosland's SprogII DCC interface) */ +#define FTDI_SPROG_II 0xF0C8 + /* www.crystalfontz.com devices - thanx for providing free devices for evaluation ! */ /* they use the ftdi chipset for the USB interface and the vendor id is the same */ #define FTDI_XF_632_PID 0xFC08 /* 632: 16x2 Character Display */ diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 8e6a66e38db..a26a0e2cdb4 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -1056,7 +1056,7 @@ static void garmin_write_bulk_callback(struct urb *urb) if (status) { dbg("%s - nonzero write bulk status received: %d", - __func__, urb->status); + __func__, status); spin_lock_irqsave(&garmin_data_p->lock, flags); garmin_data_p->flags |= CLEAR_HALT_REQUIRED; spin_unlock_irqrestore(&garmin_data_p->lock, flags); diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 3ac59a8a980..f530032ed93 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -473,7 +473,7 @@ static struct usb_serial_driver ipw_device = { -static int usb_ipw_init(void) +static int __init usb_ipw_init(void) { int retval; @@ -490,7 +490,7 @@ static int usb_ipw_init(void) return 0; } -static void usb_ipw_exit(void) +static void __exit usb_ipw_exit(void) { usb_deregister(&usb_ipw_driver); usb_serial_deregister(&ipw_device); diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index b679a556b98..4e2cda93da5 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -26,7 +26,7 @@ * Introduced common header to be used also in USB Gadget Framework. * Still needs some other style fixes. * - * 2007_Jun_21 Alan Cox <alan@redhat.com> + * 2007_Jun_21 Alan Cox <alan@lxorguk.ukuu.org.uk> * Minimal cleanups for some of the driver problens and tty layer abuse. * Still needs fixing to allow multiple dongles. * diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index e320972cb22..2314c6ae4fc 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -190,10 +190,12 @@ static void iuu_rxcmd(struct urb *urb) { struct usb_serial_port *port = urb->context; int result; + int status = urb->status; + dbg("%s - enter", __func__); - if (urb->status) { - dbg("%s - urb->status = %d", __func__, urb->status); + if (status) { + dbg("%s - status = %d", __func__, status); /* error stop all */ return; } @@ -245,10 +247,12 @@ static void iuu_update_status_callback(struct urb *urb) struct usb_serial_port *port = urb->context; struct iuu_private *priv = usb_get_serial_port_data(port); u8 *st; + int status = urb->status; + dbg("%s - enter", __func__); - if (urb->status) { - dbg("%s - urb->status = %d", __func__, urb->status); + if (status) { + dbg("%s - status = %d", __func__, status); /* error stop all */ return; } @@ -274,9 +278,9 @@ static void iuu_status_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; int result; - dbg("%s - enter", __func__); + int status = urb->status; - dbg("%s - urb->status = %d", __func__, urb->status); + dbg("%s - status = %d", __func__, status); usb_fill_bulk_urb(port->read_urb, port->serial->dev, usb_rcvbulkpipe(port->serial->dev, port->bulk_in_endpointAddress), @@ -618,11 +622,12 @@ static void read_buf_callback(struct urb *urb) struct usb_serial_port *port = urb->context; unsigned char *data = urb->transfer_buffer; struct tty_struct *tty; - dbg("%s - urb->status = %d", __func__, urb->status); + int status = urb->status; - if (urb->status) { - dbg("%s - urb->status = %d", __func__, urb->status); - if (urb->status == -EPROTO) { + dbg("%s - status = %d", __func__, status); + + if (status) { + if (status == -EPROTO) { /* reschedule needed */ } return; @@ -695,7 +700,7 @@ static void iuu_uart_read_callback(struct urb *urb) struct usb_serial_port *port = urb->context; struct iuu_private *priv = usb_get_serial_port_data(port); unsigned long flags; - int status; + int status = urb->status; int error = 0; int len = 0; unsigned char *data = urb->transfer_buffer; @@ -703,8 +708,8 @@ static void iuu_uart_read_callback(struct urb *urb) dbg("%s - enter", __func__); - if (urb->status) { - dbg("%s - urb->status = %d", __func__, urb->status); + if (status) { + dbg("%s - status = %d", __func__, status); /* error stop all */ return; } @@ -782,12 +787,11 @@ static void read_rxcmd_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; int result; - dbg("%s - enter", __func__); + int status = urb->status; - dbg("%s - urb->status = %d", __func__, urb->status); + dbg("%s - status = %d", __func__, status); - if (urb->status) { - dbg("%s - urb->status = %d", __func__, urb->status); + if (status) { /* error stop all */ return; } diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index dc36a052766..fcd9082f3e7 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -878,6 +878,7 @@ static void mct_u232_break_ctl(struct tty_struct *tty, int break_state) dbg("%sstate=%d", __func__, break_state); + /* LOCKING */ if (break_state) lcr |= MCT_U232_SET_BREAK; diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index 07710cf31d0..82930a7d509 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -721,10 +721,10 @@ static void mct_u232_break_ctl(struct tty_struct *tty, int break_state) spin_lock_irqsave(&priv->lock, flags); lcr = priv->last_lcr; - spin_unlock_irqrestore(&priv->lock, flags); if (break_state) lcr |= MCT_U232_SET_BREAK; + spin_unlock_irqrestore(&priv->lock, flags); mct_u232_set_line_ctrl(serial, lcr); } /* mct_u232_break_ctl */ diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index fda4a6421c4..2c20e88a91b 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -214,6 +214,7 @@ struct moschip_port { spinlock_t pool_lock; struct urb *write_urb_pool[NUM_URBS]; char busy[NUM_URBS]; + bool read_urb_busy; }; @@ -679,26 +680,30 @@ static void mos7840_bulk_in_callback(struct urb *urb) struct tty_struct *tty; int status = urb->status; - if (status) { - dbg("nonzero read bulk status received: %d", status); - return; - } - mos7840_port = urb->context; if (!mos7840_port) { dbg("%s", "NULL mos7840_port pointer \n"); + mos7840_port->read_urb_busy = false; + return; + } + + if (status) { + dbg("nonzero read bulk status received: %d", status); + mos7840_port->read_urb_busy = false; return; } port = (struct usb_serial_port *)mos7840_port->port; if (mos7840_port_paranoia_check(port, __func__)) { dbg("%s", "Port Paranoia failed \n"); + mos7840_port->read_urb_busy = false; return; } serial = mos7840_get_usb_serial(port, __func__); if (!serial) { dbg("%s\n", "Bad serial pointer "); + mos7840_port->read_urb_busy = false; return; } @@ -725,17 +730,19 @@ static void mos7840_bulk_in_callback(struct urb *urb) if (!mos7840_port->read_urb) { dbg("%s", "URB KILLED !!!\n"); + mos7840_port->read_urb_busy = false; return; } mos7840_port->read_urb->dev = serial->dev; + mos7840_port->read_urb_busy = true; retval = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC); if (retval) { - dbg(" usb_submit_urb(read bulk) failed, retval = %d", - retval); + dbg("usb_submit_urb(read bulk) failed, retval = %d", retval); + mos7840_port->read_urb_busy = false; } } @@ -1055,10 +1062,12 @@ static int mos7840_open(struct tty_struct *tty, dbg("mos7840_open: bulkin endpoint is %d\n", port->bulk_in_endpointAddress); + mos7840_port->read_urb_busy = true; response = usb_submit_urb(mos7840_port->read_urb, GFP_KERNEL); if (response) { dev_err(&port->dev, "%s - Error %d submitting control urb\n", __func__, response); + mos7840_port->read_urb_busy = false; } /* initialize our wait queues */ @@ -1227,6 +1236,7 @@ static void mos7840_close(struct tty_struct *tty, if (mos7840_port->read_urb) { dbg("%s", "Shutdown bulk read\n"); usb_kill_urb(mos7840_port->read_urb); + mos7840_port->read_urb_busy = false; } if ((&mos7840_port->control_urb)) { dbg("%s", "Shutdown control read\n"); @@ -1343,6 +1353,7 @@ static void mos7840_break(struct tty_struct *tty, int break_state) else data = mos7840_port->shadowLCR & ~LCR_SET_BREAK; + /* FIXME: no locking on shadowLCR anywhere in driver */ mos7840_port->shadowLCR = data; dbg("mcs7840_break mos7840_port->shadowLCR is %x\n", mos7840_port->shadowLCR); @@ -2042,14 +2053,14 @@ static void mos7840_change_port_settings(struct tty_struct *tty, Data = 0x0c; mos7840_set_uart_reg(port, INTERRUPT_ENABLE_REGISTER, Data); - if (mos7840_port->read_urb->status != -EINPROGRESS) { + if (mos7840_port->read_urb_busy == false) { mos7840_port->read_urb->dev = serial->dev; - + mos7840_port->read_urb_busy = true; status = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC); - if (status) { - dbg(" usb_submit_urb(read bulk) failed, status = %d", + dbg("usb_submit_urb(read bulk) failed, status = %d", status); + mos7840_port->read_urb_busy = false; } } wake_up(&mos7840_port->delta_msr_wait); @@ -2116,12 +2127,14 @@ static void mos7840_set_termios(struct tty_struct *tty, return; } - if (mos7840_port->read_urb->status != -EINPROGRESS) { + if (mos7840_port->read_urb_busy == false) { mos7840_port->read_urb->dev = serial->dev; + mos7840_port->read_urb_busy = true; status = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC); if (status) { - dbg(" usb_submit_urb(read bulk) failed, status = %d", + dbg("usb_submit_urb(read bulk) failed, status = %d", status); + mos7840_port->read_urb_busy = false; } } return; @@ -2214,10 +2227,12 @@ static int mos7840_set_modem_info(struct moschip_port *mos7840_port, break; } + lock_kernel(); mos7840_port->shadowMCR = mcr; Data = mos7840_port->shadowMCR; status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, Data); + unlock_kernel(); if (status < 0) { dbg("setting MODEM_CONTROL_REGISTER Failed\n"); return -1; diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c new file mode 100644 index 00000000000..cea326f1f10 --- /dev/null +++ b/drivers/usb/serial/opticon.c @@ -0,0 +1,358 @@ +/* + * Opticon USB barcode to serial driver + * + * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de> + * Copyright (C) 2008 Novell Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/tty.h> +#include <linux/tty_driver.h> +#include <linux/tty_flip.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/usb/serial.h> +#include <linux/uaccess.h> + +static int debug; + +static struct usb_device_id id_table[] = { + { USB_DEVICE(0x065a, 0x0009) }, + { }, +}; +MODULE_DEVICE_TABLE(usb, id_table); + +/* This structure holds all of the individual device information */ +struct opticon_private { + struct usb_device *udev; + struct usb_serial *serial; + struct usb_serial_port *port; + unsigned char *bulk_in_buffer; + struct urb *bulk_read_urb; + int buffer_size; + u8 bulk_address; + spinlock_t lock; /* protects the following flags */ + bool throttled; + bool actually_throttled; + bool rts; +}; + +static void opticon_bulk_callback(struct urb *urb) +{ + struct opticon_private *priv = urb->context; + unsigned char *data = urb->transfer_buffer; + struct usb_serial_port *port = priv->port; + int status = urb->status; + struct tty_struct *tty; + int result; + int available_room = 0; + int data_length; + + dbg("%s - port %d", __func__, port->number); + + switch (status) { + case 0: + /* success */ + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* this urb is terminated, clean up */ + dbg("%s - urb shutting down with status: %d", + __func__, status); + return; + default: + dbg("%s - nonzero urb status received: %d", + __func__, status); + goto exit; + } + + usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, + data); + + if (urb->actual_length > 2) { + data_length = urb->actual_length - 2; + + /* + * Data from the device comes with a 2 byte header: + * + * <0x00><0x00>data... + * This is real data to be sent to the tty layer + * <0x00><0x01)level + * This is a RTS level change, the third byte is the RTS + * value (0 for low, 1 for high). + */ + if ((data[0] == 0x00) && (data[1] == 0x00)) { + /* real data, send it to the tty layer */ + tty = tty_port_tty_get(&port->port); + if (tty) { + available_room = tty_buffer_request_room(tty, + data_length); + if (available_room) { + tty_insert_flip_string(tty, data, + available_room); + tty_flip_buffer_push(tty); + } + tty_kref_put(tty); + } + } else { + if ((data[0] == 0x00) && (data[1] == 0x01)) { + if (data[2] == 0x00) + priv->rts = false; + else + priv->rts = true; + /* FIXME change the RTS level */ + } else { + dev_dbg(&priv->udev->dev, + "Unknown data packet received from the device:" + " %2x %2x\n", + data[0], data[1]); + } + } + } else { + dev_dbg(&priv->udev->dev, + "Improper ammount of data received from the device, " + "%d bytes", urb->actual_length); + } + +exit: + spin_lock(&priv->lock); + + /* Continue trying to always read if we should */ + if (!priv->throttled) { + usb_fill_bulk_urb(priv->bulk_read_urb, priv->udev, + usb_rcvbulkpipe(priv->udev, + priv->bulk_address), + priv->bulk_in_buffer, priv->buffer_size, + opticon_bulk_callback, priv); + result = usb_submit_urb(port->read_urb, GFP_ATOMIC); + if (result) + dev_err(&port->dev, + "%s - failed resubmitting read urb, error %d\n", + __func__, result); + } else + priv->actually_throttled = true; + spin_unlock(&priv->lock); +} + +static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port, + struct file *filp) +{ + struct opticon_private *priv = usb_get_serial_data(port->serial); + unsigned long flags; + int result = 0; + + dbg("%s - port %d", __func__, port->number); + + spin_lock_irqsave(&priv->lock, flags); + priv->throttled = false; + priv->actually_throttled = false; + priv->port = port; + spin_unlock_irqrestore(&priv->lock, flags); + + /* + * Force low_latency on so that our tty_push actually forces the data + * through, otherwise it is scheduled, and with high data rates (like + * with OHCI) data can get lost. + */ + if (tty) + tty->low_latency = 1; + + /* Start reading from the device */ + usb_fill_bulk_urb(priv->bulk_read_urb, priv->udev, + usb_rcvbulkpipe(priv->udev, + priv->bulk_address), + priv->bulk_in_buffer, priv->buffer_size, + opticon_bulk_callback, priv); + result = usb_submit_urb(priv->bulk_read_urb, GFP_KERNEL); + if (result) + dev_err(&port->dev, + "%s - failed resubmitting read urb, error %d\n", + __func__, result); + return result; +} + +static void opticon_close(struct tty_struct *tty, struct usb_serial_port *port, + struct file *filp) +{ + struct opticon_private *priv = usb_get_serial_data(port->serial); + + dbg("%s - port %d", __func__, port->number); + + /* shutdown our urbs */ + usb_kill_urb(priv->bulk_read_urb); +} + +static void opticon_throttle(struct tty_struct *tty) +{ + struct usb_serial_port *port = tty->driver_data; + struct opticon_private *priv = usb_get_serial_data(port->serial); + unsigned long flags; + + dbg("%s - port %d", __func__, port->number); + spin_lock_irqsave(&priv->lock, flags); + priv->throttled = true; + spin_unlock_irqrestore(&priv->lock, flags); +} + + +static void opticon_unthrottle(struct tty_struct *tty) +{ + struct usb_serial_port *port = tty->driver_data; + struct opticon_private *priv = usb_get_serial_data(port->serial); + unsigned long flags; + int result; + + dbg("%s - port %d", __func__, port->number); + + spin_lock_irqsave(&priv->lock, flags); + priv->throttled = false; + priv->actually_throttled = false; + spin_unlock_irqrestore(&priv->lock, flags); + + priv->bulk_read_urb->dev = port->serial->dev; + result = usb_submit_urb(priv->bulk_read_urb, GFP_ATOMIC); + if (result) + dev_err(&port->dev, + "%s - failed submitting read urb, error %d\n", + __func__, result); +} + +static int opticon_startup(struct usb_serial *serial) +{ + struct opticon_private *priv; + struct usb_host_interface *intf; + int i; + int retval = -ENOMEM; + bool bulk_in_found = false; + + /* create our private serial structure */ + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (priv == NULL) { + dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__); + return -ENOMEM; + } + spin_lock_init(&priv->lock); + priv->serial = serial; + priv->port = serial->port[0]; + priv->udev = serial->dev; + + /* find our bulk endpoint */ + intf = serial->interface->altsetting; + for (i = 0; i < intf->desc.bNumEndpoints; ++i) { + struct usb_endpoint_descriptor *endpoint; + + endpoint = &intf->endpoint[i].desc; + if (!usb_endpoint_is_bulk_in(endpoint)) + continue; + + priv->bulk_read_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!priv->bulk_read_urb) { + dev_err(&priv->udev->dev, "out of memory\n"); + goto error; + } + + priv->buffer_size = le16_to_cpu(endpoint->wMaxPacketSize) * 2; + priv->bulk_in_buffer = kmalloc(priv->buffer_size, GFP_KERNEL); + if (!priv->bulk_in_buffer) { + dev_err(&priv->udev->dev, "out of memory\n"); + goto error; + } + + priv->bulk_address = endpoint->bEndpointAddress; + + /* set up our bulk urb */ + usb_fill_bulk_urb(priv->bulk_read_urb, priv->udev, + usb_rcvbulkpipe(priv->udev, + endpoint->bEndpointAddress), + priv->bulk_in_buffer, priv->buffer_size, + opticon_bulk_callback, priv); + + bulk_in_found = true; + break; + } + + if (!bulk_in_found) { + dev_err(&priv->udev->dev, + "Error - the proper endpoints were not found!\n"); + goto error; + } + + usb_set_serial_data(serial, priv); + return 0; + +error: + usb_free_urb(priv->bulk_read_urb); + kfree(priv->bulk_in_buffer); + kfree(priv); + return retval; +} + +static void opticon_shutdown(struct usb_serial *serial) +{ + struct opticon_private *priv = usb_get_serial_data(serial); + + dbg("%s", __func__); + + usb_kill_urb(priv->bulk_read_urb); + usb_free_urb(priv->bulk_read_urb); + kfree(priv->bulk_in_buffer); + kfree(priv); + usb_set_serial_data(serial, NULL); +} + + +static struct usb_driver opticon_driver = { + .name = "opticon", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = id_table, + .no_dynamic_id = 1, +}; + +static struct usb_serial_driver opticon_device = { + .driver = { + .owner = THIS_MODULE, + .name = "opticon", + }, + .id_table = id_table, + .usb_driver = &opticon_driver, + .num_ports = 1, + .attach = opticon_startup, + .open = opticon_open, + .close = opticon_close, + .shutdown = opticon_shutdown, + .throttle = opticon_throttle, + .unthrottle = opticon_unthrottle, +}; + +static int __init opticon_init(void) +{ + int retval; + + retval = usb_serial_register(&opticon_device); + if (retval) + return retval; + retval = usb_register(&opticon_driver); + if (retval) + usb_serial_deregister(&opticon_device); + return retval; +} + +static void __exit opticon_exit(void) +{ + usb_deregister(&opticon_driver); + usb_serial_deregister(&opticon_device); +} + +module_init(opticon_init); +module_exit(opticon_exit); +MODULE_LICENSE("GPL"); + +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Debug enabled or not"); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index bd07eaa300b..5ed183477aa 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -160,6 +160,11 @@ static int option_send_setup(struct tty_struct *tty, struct usb_serial_port *po #define NOVATELWIRELESS_VENDOR_ID 0x1410 +/* YISO PRODUCTS */ + +#define YISO_VENDOR_ID 0x0EAB +#define YISO_PRODUCT_U893 0xC893 + /* MERLIN EVDO PRODUCTS */ #define NOVATELWIRELESS_PRODUCT_V640 0x1100 #define NOVATELWIRELESS_PRODUCT_V620 0x1110 @@ -219,6 +224,7 @@ static int option_send_setup(struct tty_struct *tty, struct usb_serial_port *po #define ONDA_VENDOR_ID 0x19d2 #define ONDA_PRODUCT_MSA501HS 0x0001 #define ONDA_PRODUCT_ET502HS 0x0002 +#define ONDA_PRODUCT_MT503HS 0x0200 #define BANDRICH_VENDOR_ID 0x1A8D #define BANDRICH_PRODUCT_C100_1 0x1002 @@ -408,6 +414,41 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) }, { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MSA501HS) }, { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_ET502HS) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0003) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0004) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0005) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0006) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0007) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0008) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0009) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x000a) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x000b) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x000c) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x000d) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x000e) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x000f) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0010) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0011) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0012) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0013) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0014) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0015) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0016) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0017) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0018) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0019) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0020) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0021) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0022) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0023) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0024) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0025) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0026) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0027) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0028) }, + { USB_DEVICE(ONDA_VENDOR_ID, 0x0029) }, + { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MT503HS) }, + { USB_DEVICE(YISO_VENDOR_ID, YISO_PRODUCT_U893) }, { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) }, { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) }, { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) }, @@ -481,9 +522,9 @@ static int debug; /* per port private data */ #define N_IN_URB 4 -#define N_OUT_URB 1 +#define N_OUT_URB 4 #define IN_BUFLEN 4096 -#define OUT_BUFLEN 128 +#define OUT_BUFLEN 4096 struct option_port_private { /* Input endpoints and buffer for this port */ @@ -613,10 +654,6 @@ static int option_write(struct tty_struct *tty, struct usb_serial_port *port, usb_unlink_urb(this_urb); continue; } - if (this_urb->status != 0) - dbg("usb_write %p failed (err=%d)", - this_urb, this_urb->status); - dbg("%s: endpoint %d buf %d", __func__, usb_pipeendpoint(this_urb->pipe), i); @@ -628,8 +665,7 @@ static int option_write(struct tty_struct *tty, struct usb_serial_port *port, err = usb_submit_urb(this_urb, GFP_ATOMIC); if (err) { dbg("usb_submit_urb %p (write bulk) failed " - "(%d, has %d)", this_urb, - err, this_urb->status); + "(%d)", this_urb, err); clear_bit(i, &portdata->out_busy); continue; } diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 491c8857b64..1aed584be5e 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -91,6 +91,8 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(WS002IN_VENDOR_ID, WS002IN_PRODUCT_ID) }, { USB_DEVICE(COREGA_VENDOR_ID, COREGA_PRODUCT_ID) }, { USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) }, + { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index a3bd039c78e..54974f446a8 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -110,3 +110,11 @@ /* Y.C. Cable U.S.A., Inc - USB to RS-232 */ #define YCCABLE_VENDOR_ID 0x05ad #define YCCABLE_PRODUCT_ID 0x0fba + +/* "Superial" USB - Serial */ +#define SUPERIAL_VENDOR_ID 0x5372 +#define SUPERIAL_PRODUCT_ID 0x2303 + +/* Hewlett-Packard LD220-HP POS Pole Display */ +#define HP_VENDOR_ID 0x03f0 +#define HP_LD220_PRODUCT_ID 0x3524 diff --git a/drivers/usb/serial/siemens_mpi.c b/drivers/usb/serial/siemens_mpi.c new file mode 100644 index 00000000000..951ea0c6ba7 --- /dev/null +++ b/drivers/usb/serial/siemens_mpi.c @@ -0,0 +1,77 @@ +/* + * Siemens USB-MPI Serial USB driver + * + * Copyright (C) 2005 Thomas Hergenhahn <thomas.hergenhahn@suse.de> + * Copyright (C) 2005,2008 Greg Kroah-Hartman <gregkh@suse.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 as published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/tty.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/usb/serial.h> + +/* Version Information */ +#define DRIVER_VERSION "Version 0.1 09/26/2005" +#define DRIVER_AUTHOR "Thomas Hergenhahn@web.de http://libnodave.sf.net" +#define DRIVER_DESC "Driver for Siemens USB/MPI adapter" + + +static struct usb_device_id id_table[] = { + /* Vendor and product id for 6ES7-972-0CB20-0XA0 */ + { USB_DEVICE(0x908, 0x0004) }, + { }, +}; +MODULE_DEVICE_TABLE(usb, id_table); + +static struct usb_driver siemens_usb_mpi_driver = { + .name = "siemens_mpi", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = id_table, +}; + +static struct usb_serial_driver siemens_usb_mpi_device = { + .driver = { + .owner = THIS_MODULE, + .name = "siemens_mpi", + }, + .id_table = id_table, + .num_ports = 1, +}; + +static int __init siemens_usb_mpi_init(void) +{ + int retval; + + retval = usb_serial_register(&siemens_usb_mpi_device); + if (retval) + goto failed_usb_serial_register; + retval = usb_register(&siemens_usb_mpi_driver); + if (retval) + goto failed_usb_register; + printk(KERN_INFO DRIVER_DESC "\n"); + printk(KERN_INFO DRIVER_VERSION " " DRIVER_AUTHOR "\n"); + return retval; +failed_usb_register: + usb_serial_deregister(&siemens_usb_mpi_device); +failed_usb_serial_register: + return retval; +} + +static void __exit siemens_usb_mpi_exit(void) +{ + usb_deregister(&siemens_usb_mpi_driver); + usb_serial_deregister(&siemens_usb_mpi_device); +} + +module_init(siemens_usb_mpi_init); +module_exit(siemens_usb_mpi_exit); +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 0f2b67244af..d9bf9a5c20e 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -442,7 +442,7 @@ static void sierra_indat_callback(struct urb *urb) " endpoint %02x.", __func__, status, endpoint); } else { if (urb->actual_length) { - tty = tty_port_tty_get(&port->port); + tty = tty_port_tty_get(&port->port); tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index a65bc2bd8e7..5e7528cc81a 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -709,21 +709,20 @@ static void spcp8x5_read_bulk_callback(struct urb *urb) unsigned char *data = urb->transfer_buffer; unsigned long flags; int i; - int result; - u8 status = 0; + int result = urb->status; + u8 status; char tty_flag; - dev_dbg(&port->dev, "start, urb->status = %d, " - "urb->actual_length = %d\n,", urb->status, urb->actual_length); + dev_dbg(&port->dev, "start, result = %d, urb->actual_length = %d\n,", + result, urb->actual_length); /* check the urb status */ - if (urb->status) { + if (result) { if (!port->port.count) return; - if (urb->status == -EPROTO) { + if (result == -EPROTO) { /* spcp8x5 mysteriously fails with -EPROTO */ /* reschedule the read */ - urb->status = 0; urb->dev = port->serial->dev; result = usb_submit_urb(urb , GFP_ATOMIC); if (result) @@ -833,8 +832,9 @@ static void spcp8x5_write_bulk_callback(struct urb *urb) struct usb_serial_port *port = urb->context; struct spcp8x5_private *priv = usb_get_serial_port_data(port); int result; + int status = urb->status; - switch (urb->status) { + switch (status) { case 0: /* success */ break; @@ -843,14 +843,14 @@ static void spcp8x5_write_bulk_callback(struct urb *urb) case -ESHUTDOWN: /* this urb is terminated, clean up */ dev_dbg(&port->dev, "urb shutting down with status: %d\n", - urb->status); + status); priv->write_urb_in_use = 0; return; default: /* error in the urb, so we have to resubmit it */ dbg("%s - Overflow in write", __func__); dbg("%s - nonzero write bulk status received: %d", - __func__, urb->status); + __func__, status); port->write_urb->transfer_buffer_length = 1; port->write_urb->dev = port->serial->dev; result = usb_submit_urb(port->write_urb, GFP_ATOMIC); diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 31c42d1cae1..3cf41df302d 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -16,56 +16,6 @@ * For questions or problems with this driver, contact Texas Instruments * technical support, or Al Borchers <alborchers@steinerpoint.com>, or * Peter Berger <pberger@brimson.com>. - * - * This driver needs this hotplug script in /etc/hotplug/usb/ti_usb_3410_5052 - * or in /etc/hotplug.d/usb/ti_usb_3410_5052.hotplug to set the device - * configuration. - * - * #!/bin/bash - * - * BOOT_CONFIG=1 - * ACTIVE_CONFIG=2 - * - * if [[ "$ACTION" != "add" ]] - * then - * exit - * fi - * - * CONFIG_PATH=/sys${DEVPATH%/?*}/bConfigurationValue - * - * if [[ 0`cat $CONFIG_PATH` -ne $BOOT_CONFIG ]] - * then - * exit - * fi - * - * PRODUCT=${PRODUCT%/?*} # delete version - * VENDOR_ID=`printf "%d" 0x${PRODUCT%/?*}` - * PRODUCT_ID=`printf "%d" 0x${PRODUCT#*?/}` - * - * PARAM_PATH=/sys/module/ti_usb_3410_5052/parameters - * - * function scan() { - * s=$1 - * shift - * for i - * do - * if [[ $s -eq $i ]] - * then - * return 0 - * fi - * done - * return 1 - * } - * - * IFS=$IFS, - * - * if (scan $VENDOR_ID 1105 `cat $PARAM_PATH/vendor_3410` && - * scan $PRODUCT_ID 13328 `cat $PARAM_PATH/product_3410`) || - * (scan $VENDOR_ID 1105 `cat $PARAM_PATH/vendor_5052` && - * scan $PRODUCT_ID 20562 20818 20570 20575 `cat $PARAM_PATH/product_5052`) - * then - * echo $ACTIVE_CONFIG > $CONFIG_PATH - * fi */ #include <linux/kernel.h> @@ -195,7 +145,7 @@ static int ti_command_in_sync(struct ti_device *tdev, __u8 command, static int ti_write_byte(struct ti_device *tdev, unsigned long addr, __u8 mask, __u8 byte); -static int ti_download_firmware(struct ti_device *tdev, int type); +static int ti_download_firmware(struct ti_device *tdev); /* circular buffer */ static struct circ_buf *ti_buf_alloc(void); @@ -226,9 +176,14 @@ static unsigned int product_5052_count; /* the array dimension is the number of default entries plus */ /* TI_EXTRA_VID_PID_COUNT user defined entries plus 1 terminating */ /* null entry */ -static struct usb_device_id ti_id_table_3410[1+TI_EXTRA_VID_PID_COUNT+1] = { +static struct usb_device_id ti_id_table_3410[7+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_CDMA_NO_FW_PRODUCT_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_CDMA_PRODUCT_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_PRODUCT_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_EDGE_PRODUCT_ID) }, }; static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = { @@ -238,9 +193,14 @@ static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) }, }; -static struct usb_device_id ti_id_table_combined[] = { +static struct usb_device_id ti_id_table_combined[6+2*TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_CDMA_NO_FW_PRODUCT_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_CDMA_PRODUCT_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_PRODUCT_ID) }, + { USB_DEVICE(MTS_VENDOR_ID, MTS_EDGE_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_BOOT_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) }, @@ -322,6 +282,9 @@ MODULE_LICENSE("GPL"); MODULE_FIRMWARE("ti_3410.fw"); MODULE_FIRMWARE("ti_5052.fw"); +MODULE_FIRMWARE("mts_cdma.fw"); +MODULE_FIRMWARE("mts_gsm.fw"); +MODULE_FIRMWARE("mts_edge.fw"); module_param(debug, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Enable debugging, 0=no, 1=yes"); @@ -354,21 +317,28 @@ MODULE_DEVICE_TABLE(usb, ti_id_table_combined); static int __init ti_init(void) { - int i, j; + int i, j, c; int ret; /* insert extra vendor and product ids */ + c = ARRAY_SIZE(ti_id_table_combined) - 2 * TI_EXTRA_VID_PID_COUNT - 1; j = ARRAY_SIZE(ti_id_table_3410) - TI_EXTRA_VID_PID_COUNT - 1; - for (i = 0; i < min(vendor_3410_count, product_3410_count); i++, j++) { + for (i = 0; i < min(vendor_3410_count, product_3410_count); i++, j++, c++) { ti_id_table_3410[j].idVendor = vendor_3410[i]; ti_id_table_3410[j].idProduct = product_3410[i]; ti_id_table_3410[j].match_flags = USB_DEVICE_ID_MATCH_DEVICE; + ti_id_table_combined[c].idVendor = vendor_3410[i]; + ti_id_table_combined[c].idProduct = product_3410[i]; + ti_id_table_combined[c].match_flags = USB_DEVICE_ID_MATCH_DEVICE; } j = ARRAY_SIZE(ti_id_table_5052) - TI_EXTRA_VID_PID_COUNT - 1; - for (i = 0; i < min(vendor_5052_count, product_5052_count); i++, j++) { + for (i = 0; i < min(vendor_5052_count, product_5052_count); i++, j++, c++) { ti_id_table_5052[j].idVendor = vendor_5052[i]; ti_id_table_5052[j].idProduct = product_5052[i]; ti_id_table_5052[j].match_flags = USB_DEVICE_ID_MATCH_DEVICE; + ti_id_table_combined[c].idVendor = vendor_5052[i]; + ti_id_table_combined[c].idProduct = product_5052[i]; + ti_id_table_combined[c].match_flags = USB_DEVICE_ID_MATCH_DEVICE; } ret = usb_serial_register(&ti_1port_device); @@ -440,11 +410,7 @@ static int ti_startup(struct usb_serial *serial) /* if we have only 1 configuration, download firmware */ if (dev->descriptor.bNumConfigurations == 1) { - if (tdev->td_is_3410) - status = ti_download_firmware(tdev, 3410); - else - status = ti_download_firmware(tdev, 5052); - if (status) + if ((status = ti_download_firmware(tdev)) != 0) goto free_tdev; /* 3410 must be reset, 5052 resets itself */ @@ -457,9 +423,10 @@ static int ti_startup(struct usb_serial *serial) goto free_tdev; } - /* the second configuration must be set (in sysfs by hotplug script) */ + /* the second configuration must be set */ if (dev->actconfig->desc.bConfigurationValue == TI_BOOT_CONFIG) { - status = -ENODEV; + status = usb_driver_set_configuration(dev, TI_ACTIVE_CONFIG); + status = status ? status : -ENODEV; goto free_tdev; } @@ -1720,9 +1687,9 @@ static int ti_do_download(struct usb_device *dev, int pipe, return status; } -static int ti_download_firmware(struct ti_device *tdev, int type) +static int ti_download_firmware(struct ti_device *tdev) { - int status = -ENOMEM; + int status; int buffer_size; __u8 *buffer; struct usb_device *dev = tdev->td_serial->dev; @@ -1730,9 +1697,34 @@ static int ti_download_firmware(struct ti_device *tdev, int type) tdev->td_serial->port[0]->bulk_out_endpointAddress); const struct firmware *fw_p; char buf[32]; - sprintf(buf, "ti_usb-%d.bin", type); - if (request_firmware(&fw_p, buf, &dev->dev)) { + /* try ID specific firmware first, then try generic firmware */ + sprintf(buf, "ti_usb-v%04x-p%04x.fw", dev->descriptor.idVendor, + dev->descriptor.idProduct); + if ((status = request_firmware(&fw_p, buf, &dev->dev)) != 0) { + buf[0] = '\0'; + if (dev->descriptor.idVendor == MTS_VENDOR_ID) { + switch (dev->descriptor.idProduct) { + case MTS_CDMA_PRODUCT_ID: + strcpy(buf, "mts_cdma.fw"); + break; + case MTS_GSM_PRODUCT_ID: + strcpy(buf, "mts_gsm.fw"); + break; + case MTS_EDGE_PRODUCT_ID: + strcpy(buf, "mts_edge.fw"); + break; + } + } + if (buf[0] == '\0') { + if (tdev->td_is_3410) + strcpy(buf, "ti_3410.fw"); + else + strcpy(buf, "ti_5052.fw"); + } + status = request_firmware(&fw_p, buf, &dev->dev); + } + if (status) { dev_err(&dev->dev, "%s - firmware not found\n", __func__); return -ENOENT; } @@ -1748,6 +1740,8 @@ static int ti_download_firmware(struct ti_device *tdev, int type) memset(buffer + fw_p->size, 0xff, buffer_size - fw_p->size); status = ti_do_download(dev, pipe, buffer, fw_p->size); kfree(buffer); + } else { + status = -ENOMEM; } release_firmware(fw_p); if (status) { diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h index b5541bf991b..7e4752fbf23 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.h +++ b/drivers/usb/serial/ti_usb_3410_5052.h @@ -34,6 +34,14 @@ #define TI_5052_EEPROM_PRODUCT_ID 0x505A /* EEPROM, no firmware */ #define TI_5052_FIRMWARE_PRODUCT_ID 0x505F /* firmware is running */ +/* Multi-Tech vendor and product ids */ +#define MTS_VENDOR_ID 0x06E0 +#define MTS_GSM_NO_FW_PRODUCT_ID 0xF108 +#define MTS_CDMA_NO_FW_PRODUCT_ID 0xF109 +#define MTS_CDMA_PRODUCT_ID 0xF110 +#define MTS_GSM_PRODUCT_ID 0xF111 +#define MTS_EDGE_PRODUCT_ID 0xF112 + /* Commands */ #define TI_GET_VERSION 0x01 #define TI_GET_PORT_STATUS 0x02 diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 794b5ffe439..cfcfd5ab06c 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -269,15 +269,19 @@ static void serial_close(struct tty_struct *tty, struct file *filp) return; } - --port->port.count; - if (port->port.count == 0) + if (port->port.count == 1) /* only call the device specific close if this - * port is being closed by the last owner */ + * port is being closed by the last owner. Ensure we do + * this before we drop the port count. The call is protected + * by the port mutex + */ port->serial->type->close(tty, port, filp); - if (port->port.count == (port->console? 1 : 0)) { + if (port->port.count == (port->console ? 2 : 1)) { struct tty_struct *tty = tty_port_tty_get(&port->port); if (tty) { + /* We must do this before we drop the port count to + zero. */ if (tty->driver_data) tty->driver_data = NULL; tty_port_tty_set(&port->port, NULL); @@ -285,13 +289,14 @@ static void serial_close(struct tty_struct *tty, struct file *filp) } } - if (port->port.count == 0) { + if (port->port.count == 1) { mutex_lock(&port->serial->disc_mutex); if (!port->serial->disconnected) usb_autopm_put_interface(port->serial->interface); mutex_unlock(&port->serial->disc_mutex); module_put(port->serial->type->driver.owner); } + --port->port.count; mutex_unlock(&port->mutex); usb_serial_put(port->serial); @@ -334,6 +339,10 @@ static int serial_chars_in_buffer(struct tty_struct *tty) dbg("%s = port %d", __func__, port->number); WARN_ON(!port->port.count); + /* if the device was unplugged then any remaining characters + fell out of the connector ;) */ + if (port->serial->disconnected) + return 0; /* pass on to the driver specific version of this function */ return port->serial->type->chars_in_buffer(tty); } @@ -373,9 +382,7 @@ static int serial_ioctl(struct tty_struct *tty, struct file *file, /* pass on to the driver specific version of this function if it is available */ if (port->serial->type->ioctl) { - lock_kernel(); retval = port->serial->type->ioctl(tty, file, cmd, arg); - unlock_kernel(); } else retval = -ENOIOCTLCMD; return retval; @@ -404,11 +411,8 @@ static int serial_break(struct tty_struct *tty, int break_state) WARN_ON(!port->port.count); /* pass on to the driver specific version of this function if it is available */ - if (port->serial->type->break_ctl) { - lock_kernel(); + if (port->serial->type->break_ctl) port->serial->type->break_ctl(tty, break_state); - unlock_kernel(); - } return 0; } @@ -507,9 +511,6 @@ static void usb_serial_port_work(struct work_struct *work) dbg("%s - port %d", __func__, port->number); - if (!port) - return; - tty = tty_port_tty_get(&port->port); if (!tty) return; diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index fc5d9952b03..6c9cbb59552 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -31,7 +31,7 @@ static struct usb_driver debug_driver = { .no_dynamic_id = 1, }; -int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port, +static int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port, struct file *filp) { port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE; |