diff options
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/usb/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/usb/serial/cp2101.c | 363 | ||||
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 3 | ||||
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.h | 2 | ||||
| -rw-r--r-- | drivers/usb/serial/option.c | 729 | ||||
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 20 |
7 files changed, 1031 insertions, 98 deletions
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index bc798ed..9438909 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -455,6 +455,17 @@ config USB_SERIAL_XIRCOM To compile this driver as a module, choose M here: the module will be called keyspan_pda. +config USB_SERIAL_OPTION + tristate "USB Option PCMCIA serial driver" + depends on USB_SERIAL && USB_OHCI_HCD && PCCARD + help + Say Y here if you want to use an Option card. This is a + GSM card, controlled by three serial ports which are connected + via an OHCI adapter located on a PC card. + + To compile this driver as a module, choose M here: the + module will be called option. + config USB_SERIAL_OMNINET tristate "USB ZyXEL omni.net LCD Plus Driver (EXPERIMENTAL)" depends on USB_SERIAL && EXPERIMENTAL diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index d56ff6d..6c7cdcc 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_USB_SERIAL_KLSI) += kl5kusb105.o obj-$(CONFIG_USB_SERIAL_KOBIL_SCT) += kobil_sct.o obj-$(CONFIG_USB_SERIAL_MCT_U232) += mct_u232.o obj-$(CONFIG_USB_SERIAL_OMNINET) += omninet.o +obj-$(CONFIG_USB_SERIAL_OPTION) += option.o obj-$(CONFIG_USB_SERIAL_PL2303) += pl2303.o obj-$(CONFIG_USB_SERIAL_SAFE) += safe_serial.o obj-$(CONFIG_USB_SERIAL_TI) += ti_usb_3410_5052.o diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c index 7e9bb63..4ace996 100644 --- a/drivers/usb/serial/cp2101.c +++ b/drivers/usb/serial/cp2101.c @@ -7,6 +7,14 @@ * modify it under the terms of the GNU General Public License version * 2 as published by the Free Software Foundation. * + * Support to set flow control line levels using TIOCMGET and TIOCMSET + * thanks to Karl Hiramoto karl@hiramoto.org. RTSCTS hardware flow + * control thanks to Munir Nassar nassarmu@real-time.com + * + * Outstanding Issues: + * Buffers are not flushed when the port is opened. + * Multiple calls to write() may fail with "Resource temporarily unavailable" + * */ #include <linux/config.h> @@ -24,7 +32,7 @@ /* * Version Information */ -#define DRIVER_VERSION "v0.03" +#define DRIVER_VERSION "v0.04" #define DRIVER_DESC "Silicon Labs CP2101/CP2102 RS232 serial adaptor driver" /* @@ -35,6 +43,9 @@ static void cp2101_cleanup(struct usb_serial_port*); static void cp2101_close(struct usb_serial_port*, struct file*); static void cp2101_get_termios(struct usb_serial_port*); static void cp2101_set_termios(struct usb_serial_port*, struct termios*); +static int cp2101_tiocmget (struct usb_serial_port *, struct file *); +static int cp2101_tiocmset (struct usb_serial_port *, struct file *, + unsigned int, unsigned int); static void cp2101_break_ctl(struct usb_serial_port*, int); static int cp2101_startup (struct usb_serial *); static void cp2101_shutdown(struct usb_serial*); @@ -43,9 +54,10 @@ static void cp2101_shutdown(struct usb_serial*); static int debug; static struct usb_device_id id_table [] = { - {USB_DEVICE(0x10c4, 0xea60) }, /*Silicon labs factory default*/ - {USB_DEVICE(0x10ab, 0x10c5) }, /*Siemens MC60 Cable*/ - { } /* Terminating Entry*/ + { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ + { USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */ + { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ + { } /* Terminating Entry */ }; MODULE_DEVICE_TABLE (usb, id_table); @@ -70,32 +82,35 @@ static struct usb_serial_device_type cp2101_device = { .close = cp2101_close, .break_ctl = cp2101_break_ctl, .set_termios = cp2101_set_termios, + .tiocmget = cp2101_tiocmget, + .tiocmset = cp2101_tiocmset, .attach = cp2101_startup, .shutdown = cp2101_shutdown, }; -/*Config request types*/ +/* Config request types */ #define REQTYPE_HOST_TO_DEVICE 0x41 #define REQTYPE_DEVICE_TO_HOST 0xc1 -/*Config SET requests. To GET, add 1 to the request number*/ -#define CP2101_UART 0x00 /*Enable / Disable*/ -#define CP2101_BAUDRATE 0x01 /*(BAUD_RATE_GEN_FREQ / baudrate)*/ -#define CP2101_BITS 0x03 /*0x(0)(data bits)(parity)(stop bits)*/ -#define CP2101_BREAK 0x05 /*On / Off*/ -#define CP2101_DTRRTS 0x07 /*101 / 202 ???*/ -#define CP2101_CONFIG_16 0x13 /*16 bytes of config data ???*/ -#define CP2101_CONFIG_6 0x19 /*6 bytes of config data ???*/ +/* Config SET requests. To GET, add 1 to the request number */ +#define CP2101_UART 0x00 /* Enable / Disable */ +#define CP2101_BAUDRATE 0x01 /* (BAUD_RATE_GEN_FREQ / baudrate) */ +#define CP2101_BITS 0x03 /* 0x(0)(databits)(parity)(stopbits) */ +#define CP2101_BREAK 0x05 /* On / Off */ +#define CP2101_CONTROL 0x07 /* Flow control line states */ +#define CP2101_MODEMCTL 0x13 /* Modem controls */ +#define CP2101_CONFIG_6 0x19 /* 6 bytes of config data ??? */ -/*CP2101_UART*/ +/* CP2101_UART */ #define UART_ENABLE 0x0001 #define UART_DISABLE 0x0000 -/*CP2101_BAUDRATE*/ +/* CP2101_BAUDRATE */ #define BAUD_RATE_GEN_FREQ 0x384000 -/*CP2101_BITS*/ +/* CP2101_BITS */ #define BITS_DATA_MASK 0X0f00 +#define BITS_DATA_5 0X0500 #define BITS_DATA_6 0X0600 #define BITS_DATA_7 0X0700 #define BITS_DATA_8 0X0800 @@ -112,64 +127,137 @@ static struct usb_serial_device_type cp2101_device = { #define BITS_STOP_1 0x0000 #define BITS_STOP_1_5 0x0001 #define BITS_STOP_2 0x0002 + +/* CP2101_BREAK */ #define BREAK_ON 0x0000 #define BREAK_OFF 0x0001 +/* CP2101_CONTROL */ +#define CONTROL_DTR 0x0001 +#define CONTROL_RTS 0x0002 +#define CONTROL_CTS 0x0010 +#define CONTROL_DSR 0x0020 +#define CONTROL_RING 0x0040 +#define CONTROL_DCD 0x0080 +#define CONTROL_WRITE_DTR 0x0100 +#define CONTROL_WRITE_RTS 0x0200 -static int cp2101_get_config(struct usb_serial_port* port, u8 request) +/* + * cp2101_get_config + * Reads from the CP2101 configuration registers + * 'size' is specified in bytes. + * 'data' is a pointer to a pre-allocated array of integers large + * enough to hold 'size' bytes (with 4 bytes to each integer) + */ +static int cp2101_get_config(struct usb_serial_port* port, u8 request, + unsigned int *data, int size) { struct usb_serial *serial = port->serial; - unsigned char buf[4]; - unsigned int value; - int result, i; + u32 *buf; + int result, i, length; + + /* Number of integers required to contain the array */ + length = (((size - 1) | 3) + 1)/4; + + buf = kmalloc (length * sizeof(u32), GFP_KERNEL); + memset(buf, 0, length * sizeof(u32)); + + if (!buf) { + dev_err(&port->dev, "%s - out of memory.\n", __FUNCTION__); + return -ENOMEM; + } - /*For get requests, the request number must be incremented*/ + /* For get requests, the request number must be incremented */ request++; - /*Issue the request, attempting to read 4 bytes*/ + /* Issue the request, attempting to read 'size' bytes */ result = usb_control_msg (serial->dev,usb_rcvctrlpipe (serial->dev, 0), request, REQTYPE_DEVICE_TO_HOST, 0x0000, - 0, buf, 4, 300); + 0, buf, size, 300); - if (result < 0) { - dev_err(&port->dev, "%s - Unable to send config request, " - "request=0x%x result=%d\n", - __FUNCTION__, request, result); - return result; - } + /* Convert data into an array of integers */ + for (i=0; i<length; i++) + data[i] = le32_to_cpu(buf[i]); - /*Assemble each byte read into an integer value*/ - value = 0; - for (i=0; i<4 && i<result; i++) - value |= (buf[i] << (i * 8)); + kfree(buf); - dbg( " %s - request=0x%x result=%d value=0x%x", - __FUNCTION__, request, result, value); + if (result != size) { + dev_err(&port->dev, "%s - Unable to send config request, " + "request=0x%x size=%d result=%d\n", + __FUNCTION__, request, size, result); + return -EPROTO; + } - return value; + return 0; } -static int cp2101_set_config(struct usb_serial_port* port, u8 request, u16 value) +/* + * cp2101_set_config + * Writes to the CP2101 configuration registers + * Values less than 16 bits wide are sent directly + * 'size' is specified in bytes. + */ +static int cp2101_set_config(struct usb_serial_port* port, u8 request, + unsigned int *data, int size) { struct usb_serial *serial = port->serial; - int result; - result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), - request, REQTYPE_HOST_TO_DEVICE, value, - 0, NULL, 0, 300); + u32 *buf; + int result, i, length; - if (result <0) { - dev_err(&port->dev, "%s - Unable to send config request, " - "request=0x%x value=0x%x result=%d\n", - __FUNCTION__, request, value, result); - return result; + /* Number of integers required to contain the array */ + length = (((size - 1) | 3) + 1)/4; + + buf = kmalloc(length * sizeof(u32), GFP_KERNEL); + if (!buf) { + dev_err(&port->dev, "%s - out of memory.\n", + __FUNCTION__); + return -ENOMEM; + } + + /* Array of integers into bytes */ + for (i = 0; i < length; i++) + buf[i] = cpu_to_le32(data[i]); + + if (size > 2) { + result = usb_control_msg (serial->dev, + usb_sndctrlpipe(serial->dev, 0), + request, REQTYPE_HOST_TO_DEVICE, 0x0000, + 0, buf, size, 300); + } else { + result = usb_control_msg (serial->dev, + usb_sndctrlpipe(serial->dev, 0), + request, REQTYPE_HOST_TO_DEVICE, data[0], + 0, NULL, 0, 300); } - dbg(" %s - request=0x%x value=0x%x result=%d", - __FUNCTION__, request, value, result); + kfree(buf); + + if ((size > 2 && result != size) || result < 0) { + dev_err(&port->dev, "%s - Unable to send request, " + "request=0x%x size=%d result=%d\n", + __FUNCTION__, request, size, result); + return -EPROTO; + } + /* Single data value */ + result = usb_control_msg (serial->dev, + usb_sndctrlpipe(serial->dev, 0), + request, REQTYPE_HOST_TO_DEVICE, data[0], + 0, NULL, 0, 300); return 0; } +/* + * cp2101_set_config_single + * Convenience function for calling cp2101_set_config on single data values + * without requiring an integer pointer + */ +static inline int cp2101_set_config_single(struct usb_serial_port* port, + u8 request, unsigned int data) +{ + return cp2101_set_config(port, request, &data, 2); +} + static int cp2101_open (struct usb_serial_port *port, struct file *filp) { struct usb_serial *serial = port->serial; @@ -177,7 +265,7 @@ static int cp2101_open (struct usb_serial_port *port, struct file *filp) dbg("%s - port %d", __FUNCTION__, port->number); - if (cp2101_set_config(port, CP2101_UART, UART_ENABLE)) { + if (cp2101_set_config_single(port, CP2101_UART, UART_ENABLE)) { dev_err(&port->dev, "%s - Unable to enable UART\n", __FUNCTION__); return -EPROTO; @@ -198,9 +286,12 @@ static int cp2101_open (struct usb_serial_port *port, struct file *filp) return result; } - /*Configure the termios structure*/ + /* Configure the termios structure */ cp2101_get_termios(port); + /* Set the DTR and RTS pins low */ + cp2101_tiocmset(port, NULL, TIOCM_DTR | TIOCM_RTS, 0); + return 0; } @@ -228,16 +319,18 @@ static void cp2101_close (struct usb_serial_port *port, struct file * filp) usb_kill_urb(port->write_urb); usb_kill_urb(port->read_urb); - cp2101_set_config(port, CP2101_UART, UART_DISABLE); + cp2101_set_config_single(port, CP2101_UART, UART_DISABLE); } -/* cp2101_get_termios*/ -/* Reads the baud rate, data bits, parity and stop bits from the device*/ -/* Corrects any unsupported values*/ -/* Configures the termios structure to reflect the state of the device*/ +/* + * cp2101_get_termios + * Reads the baud rate, data bits, parity, stop bits and flow control mode + * from the device, corrects any unsupported values, and configures the + * termios structure to reflect the state of the device + */ static void cp2101_get_termios (struct usb_serial_port *port) { - unsigned int cflag; + unsigned int cflag, modem_ctl[4]; int baud; int bits; @@ -249,15 +342,16 @@ static void cp2101_get_termios (struct usb_serial_port *port) } cflag = port->tty->termios->c_cflag; - baud = cp2101_get_config(port, CP2101_BAUDRATE); - /*Convert to baudrate*/ + cp2101_get_config(port, CP2101_BAUDRATE, &baud, 2); + /* Convert to baudrate */ if (baud) baud = BAUD_RATE_GEN_FREQ / baud; dbg("%s - baud rate = %d", __FUNCTION__, baud); cflag &= ~CBAUD; switch (baud) { - /* The baud rates which are commented out below + /* + * The baud rates which are commented out below * appear to be supported by the device * but are non-standard */ @@ -284,14 +378,18 @@ static void cp2101_get_termios (struct usb_serial_port *port) dbg("%s - Baud rate is not supported, " "using 9600 baud", __FUNCTION__); cflag |= B9600; - cp2101_set_config(port, CP2101_BAUDRATE, + cp2101_set_config_single(port, CP2101_BAUDRATE, (BAUD_RATE_GEN_FREQ/9600)); break; } - bits = cp2101_get_config(port, CP2101_BITS); + cp2101_get_config(port, CP2101_BITS, &bits, 2); cflag &= ~CSIZE; switch(bits & BITS_DATA_MASK) { + case BITS_DATA_5: + dbg("%s - data bits = 5", __FUNCTION__); + cflag |= CS5; + break; case BITS_DATA_6: dbg("%s - data bits = 6", __FUNCTION__); cflag |= CS6; @@ -310,7 +408,7 @@ static void cp2101_get_termios (struct usb_serial_port *port) cflag |= CS8; bits &= ~BITS_DATA_MASK; bits |= BITS_DATA_8; - cp2101_set_config(port, CP2101_BITS, bits); + cp2101_set_config(port, CP2101_BITS, &bits, 2); break; default: dbg("%s - Unknown number of data bits, " @@ -318,7 +416,7 @@ static void cp2101_get_termios (struct usb_serial_port *port) cflag |= CS8; bits &= ~BITS_DATA_MASK; bits |= BITS_DATA_8; - cp2101_set_config(port, CP2101_BITS, bits); + cp2101_set_config(port, CP2101_BITS, &bits, 2); break; } @@ -341,21 +439,21 @@ static void cp2101_get_termios (struct usb_serial_port *port) "disabling parity)", __FUNCTION__); cflag &= ~PARENB; bits &= ~BITS_PARITY_MASK; - cp2101_set_config(port, CP2101_BITS, bits); + cp2101_set_config(port, CP2101_BITS, &bits, 2); break; case BITS_PARITY_SPACE: dbg("%s - parity = SPACE (not supported, " "disabling parity)", __FUNCTION__); cflag &= ~PARENB; bits &= ~BITS_PARITY_MASK; - cp2101_set_config(port, CP2101_BITS, bits); + cp2101_set_config(port, CP2101_BITS, &bits, 2); break; default: dbg("%s - Unknown parity mode, " "disabling parity", __FUNCTION__); cflag &= ~PARENB; bits &= ~BITS_PARITY_MASK; - cp2101_set_config(port, CP2101_BITS, bits); + cp2101_set_config(port, CP2101_BITS, &bits, 2); break; } @@ -366,9 +464,9 @@ static void cp2101_get_termios (struct usb_serial_port *port) break; case BITS_STOP_1_5: dbg("%s - stop bits = 1.5 (not supported, " - "using 1 stop bit", __FUNCTION__); + "using 1 stop bit)", __FUNCTION__); bits &= ~BITS_STOP_MASK; - cp2101_set_config(port, CP2101_BITS, bits); + cp2101_set_config(port, CP2101_BITS, &bits, 2); break; case BITS_STOP_2: dbg("%s - stop bits = 2", __FUNCTION__); @@ -378,10 +476,19 @@ static void cp2101_get_termios (struct usb_serial_port *port) dbg("%s - Unknown number of stop bits, " "using 1 stop bit", __FUNCTION__); bits &= ~BITS_STOP_MASK; - cp2101_set_config(port, CP2101_BITS, bits); + cp2101_set_config(port, CP2101_BITS, &bits, 2); break; } + cp2101_get_config(port, CP2101_MODEMCTL, modem_ctl, 16); + if (modem_ctl[0] & 0x0008) { + dbg("%s - flow control = CRTSCTS", __FUNCTION__); + cflag |= CRTSCTS; + } else { + dbg("%s - flow control = NONE", __FUNCTION__); + cflag &= ~CRTSCTS; + } + port->tty->termios->c_cflag = cflag; } @@ -389,8 +496,8 @@ static void cp2101_set_termios (struct usb_serial_port *port, struct termios *old_termios) { unsigned int cflag, old_cflag=0; - int baud=0; - int bits; + int baud=0, bits; + unsigned int modem_ctl[4]; dbg("%s - port %d", __FUNCTION__, port->number); @@ -400,7 +507,7 @@ static void cp2101_set_termios (struct usb_serial_port *port, } cflag = port->tty->termios->c_cflag; - /* check that they really want us to change something */ + /* Check that they really want us to change something */ if (old_termios) { if ((cflag == old_termios->c_cflag) && (RELEVANT_IFLAG(port->tty->termios->c_iflag) @@ -415,7 +522,8 @@ static void cp2101_set_termios (struct usb_serial_port *port, /* If the baud rate is to be updated*/ if ((cflag & CBAUD) != (old_cflag & CBAUD)) { switch (cflag & CBAUD) { - /* The baud rates which are commented out below + /* + * The baud rates which are commented out below * appear to be supported by the device * but are non-standard */ @@ -448,18 +556,22 @@ static void cp2101_set_termios (struct usb_serial_port *port, if (baud) { dbg("%s - Setting baud rate to %d baud", __FUNCTION__, baud); - if (cp2101_set_config(port, CP2101_BAUDRATE, + if (cp2101_set_config_single(port, CP2101_BAUDRATE, (BAUD_RATE_GEN_FREQ / baud))) dev_err(&port->dev, "Baud rate requested not " "supported by device\n"); } } - /*If the number of data bits is to be updated*/ + /* If the number of data bits is to be updated */ if ((cflag & CSIZE) != (old_cflag & CSIZE)) { - bits = cp2101_get_config(port, CP2101_BITS); + cp2101_get_config(port, CP2101_BITS, &bits, 2); bits &= ~BITS_DATA_MASK; switch (cflag & CSIZE) { + case CS5: + bits |= BITS_DATA_5; + dbg("%s - data bits = 5", __FUNCTION__); + break; case CS6: bits |= BITS_DATA_6; dbg("%s - data bits = 6", __FUNCTION__); @@ -483,13 +595,13 @@ static void cp2101_set_termios (struct usb_serial_port *port, bits |= BITS_DATA_8; break; } - if (cp2101_set_config(port, CP2101_BITS, bits)) + if (cp2101_set_config(port, CP2101_BITS, &bits, 2)) dev_err(&port->dev, "Number of data bits requested " "not supported by device\n"); } if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD))) { - bits = cp2101_get_config(port, CP2101_BITS); + cp2101_get_config(port, CP2101_BITS, &bits, 2); bits &= ~BITS_PARITY_MASK; if (cflag & PARENB) { if (cflag & PARODD) { @@ -500,13 +612,13 @@ static void cp2101_set_termios (struct usb_serial_port *port, dbg("%s - parity = EVEN", __FUNCTION__); } } - if (cp2101_set_config(port, CP2101_BITS, bits)) + if (cp2101_set_config(port, CP2101_BITS, &bits, 2)) dev_err(&port->dev, "Parity mode not supported " "by device\n"); } if ((cflag & CSTOPB) != (old_cflag & CSTOPB)) { - bits = cp2101_get_config(port, CP2101_BITS); + cp2101_get_config(port, CP2101_BITS, &bits, 2); bits &= ~BITS_STOP_MASK; if (cflag & CSTOPB) { bits |= BITS_STOP_2; @@ -515,15 +627,90 @@ static void cp2101_set_termios (struct usb_serial_port *port, bits |= BITS_STOP_1; dbg("%s - stop bits = 1", __FUNCTION__); } - if (cp2101_set_config(port, CP2101_BITS, bits)) + if (cp2101_set_config(port, CP2101_BITS, &bits, 2)) dev_err(&port->dev, "Number of stop bits requested " "not supported by device\n"); } + + if ((cflag & CRTSCTS) != (old_cflag & CRTSCTS)) { + cp2101_get_config(port, CP2101_MODEMCTL, modem_ctl, 16); + dbg("%s - read modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x", + __FUNCTION__, modem_ctl[0], modem_ctl[1], + modem_ctl[2], modem_ctl[3]); + + if (cflag & CRTSCTS) { + modem_ctl[0] &= ~0x7B; + modem_ctl[0] |= 0x09; + modem_ctl[1] = 0x80; + dbg("%s - flow control = CRTSCTS", __FUNCTION__); + } else { + modem_ctl[0] &= ~0x7B; + modem_ctl[0] |= 0x01; + modem_ctl[1] |= 0x40; + dbg("%s - flow control = NONE", __FUNCTION__); + } + + dbg("%s - write modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x", + __FUNCTION__, modem_ctl[0], modem_ctl[1], + modem_ctl[2], modem_ctl[3]); + cp2101_set_config(port, CP2101_MODEMCTL, modem_ctl, 16); + } + +} + +static int cp2101_tiocmset (struct usb_serial_port *port, struct file *file, + unsigned int set, unsigned int clear) +{ + int control = 0; + + dbg("%s - port %d", __FUNCTION__, port->number); + + if (set & TIOCM_RTS) { + control |= CONTROL_RTS; + control |= CONTROL_WRITE_RTS; + } + if (set & TIOCM_DTR) { + control |= CONTROL_DTR; + control |= CONTROL_WRITE_DTR; + } + if (clear & TIOCM_RTS) { + control &= ~CONTROL_RTS; + control |= CONTROL_WRITE_RTS; + } + if (clear & TIOCM_DTR) { + control &= ~CONTROL_DTR; + control |= CONTROL_WRITE_DTR; + } + + dbg("%s - control = 0x%.4x", __FUNCTION__, control); + + return cp2101_set_config(port, CP2101_CONTROL, &control, 2); + +} + +static int cp2101_tiocmget (struct usb_serial_port *port, struct file *file) +{ + int control, result; + + dbg("%s - port %d", __FUNCTION__, port->number); + + cp2101_get_config(port, CP2101_CONTROL, &control, 1); + + result = ((control & CONTROL_DTR) ? TIOCM_DTR : 0) + |((control & CONTROL_RTS) ? TIOCM_RTS : 0) + |((control & CONTROL_CTS) ? TIOCM_CTS : 0) + |((control & CONTROL_DSR) ? TIOCM_DSR : 0) + |((control & CONTROL_RING)? TIOCM_RI : 0) + |((control & CONTROL_DCD) ? TIOCM_CD : 0); + + dbg("%s - control = 0x%.2x", __FUNCTION__, control); + + return result; } static void cp2101_break_ctl (struct usb_serial_port *port, int break_state) { - u16 state; + int state; dbg("%s - port %d", __FUNCTION__, port->number); if (break_state == 0) @@ -532,12 +719,12 @@ static void cp2101_break_ctl (struct usb_serial_port *port, int break_state) state = BREAK_ON; dbg("%s - turning break %s", __FUNCTION__, state==BREAK_OFF ? "off" : "on"); - cp2101_set_config(port, CP2101_BREAK, state); + cp2101_set_config(port, CP2101_BREAK, &state, 2); } static int cp2101_startup (struct usb_serial *serial) { - /*CP2101 buffers behave strangely unless device is reset*/ + /* CP2101 buffers behave strangely unless device is reset */ usb_reset_device(serial->dev); return 0; } @@ -548,7 +735,7 @@ static void cp2101_shutdown (struct usb_serial *serial) dbg("%s", __FUNCTION__); - /* stop reads and writes on all ports */ + /* Stop reads and writes on all ports */ for (i=0; i < serial->num_ports; ++i) { cp2101_cleanup(serial->port[i]); } @@ -560,16 +747,16 @@ static int __init cp2101_init (void) retval = usb_serial_register(&cp2101_device); if (retval) - return retval; /*Failed to register*/ + return retval; /* Failed to register */ retval = usb_register(&cp2101_driver); if (retval) { - /*Failed to register*/ + /* Failed to register */ usb_serial_deregister(&cp2101_device); return retval; } - /*Success*/ + /* Success */ info(DRIVER_DESC " " DRIVER_VERSION); return 0; } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 52394f0..051c3a7 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -364,6 +364,7 @@ static struct usb_device_id id_table_8U232AM [] = { { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_3, 0, 0x3ff) }, { USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_4, 0, 0x3ff) }, { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UO100_PID, 0, 0x3ff) }, + { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UM100_PID, 0, 0x3ff) }, { USB_DEVICE_VER(FTDI_VID, INSIDE_ACCESSO, 0, 0x3ff) }, { USB_DEVICE_VER(INTREPID_VID, INTREPID_VALUECAN_PID, 0, 0x3ff) }, { USB_DEVICE_VER(INTREPID_VID, INTREPID_NEOVI_PID, 0, 0x3ff) }, @@ -475,6 +476,7 @@ static struct usb_device_id id_table_FT232BM [] = { { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88E_PID, 0x400, 0xffff) }, { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88F_PID, 0x400, 0xffff) }, { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UO100_PID, 0x400, 0xffff) }, + { USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UM100_PID, 0x400, 0xffff) }, { USB_DEVICE_VER(FTDI_VID, LINX_SDMUSBQSS_PID, 0x400, 0xffff) }, { USB_DEVICE_VER(FTDI_VID, LINX_MASTERDEVEL2_PID, 0x400, 0xffff) }, { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_0_PID, 0x400, 0xffff) }, @@ -618,6 +620,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88E_PID, 0x400, 0xffff) }, { USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88F_PID, 0x400, 0xffff) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) }, { USB_DEVICE_VER(FTDI_VID, LINX_SDMUSBQSS_PID, 0x400, 0xffff) }, { USB_DEVICE_VER(FTDI_VID, LINX_MASTERDEVEL2_PID, 0x400, 0xffff) }, { USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_0_PID, 0x400, 0xffff) }, diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index a52bb13..8866376 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -144,6 +144,8 @@ /* ELV USB Module UO100 (PID sent by Stefan Frings) */ #define FTDI_ELV_UO100_PID 0xFB58 /* Product Id */ +/* ELV USB Module UM100 (PID sent by Arnim Laeuger) */ +#define FTDI_ELV_UM100_PID 0xFB5A /* Product Id */ /* * Definitions for ID TECH (www.idt-net.com) devices diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c new file mode 100644 index 0000000..b722175 --- /dev/null +++ b/drivers/usb/serial/option.c @@ -0,0 +1,729 @@ +/* + Option Card (PCMCIA to) USB to Serial Driver + + Copyright (C) 2005 Matthias Urlichs <smurf@smurf.noris.de> + + 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 copied from the Keyspan driver by Hugh Blemings <hugh@blemings.org> + + History: + + 2005-05-19 v0.1 Initial version, based on incomplete docs + and analysis of misbehavior of the standard driver + 2005-05-20 v0.2 Extended the input buffer to avoid losing + random 64-byte chunks of data + 2005-05-21 v0.3 implemented chars_in_buffer() + turned on low_latency + simplified the code somewhat +*/ +#define DRIVER_VERSION "v0.3" +#define DRIVER_AUTHOR "Matthias Urlichs <smurf@smurf.noris.de>" +#define DRIVER_DESC "Option Card (PC-Card to) USB to Serial Driver" + +#include <linux/config.h> +#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 "usb-serial.h" + +/* Function prototypes */ +static int option_open (struct usb_serial_port *port, struct file *filp); +static void option_close (struct usb_serial_port *port, struct file *filp); +static int option_startup (struct usb_serial *serial); +static void option_shutdown (struct usb_serial *serial); +static void option_rx_throttle (struct usb_serial_port *port); +static void option_rx_unthrottle (struct usb_serial_port *port); +static int option_write_room (struct usb_serial_port *port); + +static void option_instat_callback(struct urb *urb, struct pt_regs *regs); + + +static int option_write (struct usb_serial_port *port, + const unsigned char *buf, int count); + +static int option_chars_in_buffer (struct usb_serial_port *port); +static int option_ioctl (struct usb_serial_port *port, struct file *file, + unsigned int cmd, unsigned long arg); +static void option_set_termios (struct usb_serial_port *port, + struct termios *old); +static void option_break_ctl (struct usb_serial_port *port, int break_state); +static int option_tiocmget (struct usb_serial_port *port, struct file *file); +static int option_tiocmset (struct usb_serial_port *port, struct file *file, + unsigned int set, unsigned int clear); +static int option_send_setup (struct usb_serial_port *port); + +/* Vendor and product IDs */ +#define OPTION_VENDOR_ID 0x0AF0 + +#define OPTION_PRODUCT_OLD 0x5000 +#define OPTION_PRODUCT_WLAN 0x6000 + +static struct usb_device_id option_ids[] = { + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_OLD) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_WLAN) }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, option_ids); + +static struct usb_driver option_driver = { + .owner = THIS_MODULE, + .name = "option", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = option_ids, +}; + +/* The card has three separate interfaces, wich the serial driver + * recognizes separately, thus num_port=1. + */ +static struct usb_serial_device_type option_3port_device = { + .owner = THIS_MODULE, + .name = "Option 3-port card", + .short_name = "option", + .id_table = option_ids, + .num_interrupt_in = NUM_DONT_CARE, + .num_bulk_in = NUM_DONT_CARE, + .num_bulk_out = NUM_DONT_CARE, + .num_ports = 1, /* 3 */ + .open = option_open, + .close = option_close, + .write = option_write, + .write_room = option_write_room, + .chars_in_buffer = option_chars_in_buffer, + .throttle = option_rx_throttle, + .unthrottle = option_rx_unthrottle, + .ioctl = option_ioctl, + .set_termios = option_set_termios, + .break_ctl = option_break_ctl, + .tiocmget = option_tiocmget, + .tiocmset = option_tiocmset, + .attach = option_startup, + .shutdown = option_shutdown, + .read_int_callback = option_instat_callback, +}; + +static int debug; + +/* per port private data */ + +#define N_IN_URB 4 +#define N_OUT_URB 1 +#define IN_BUFLEN 1024 +#define OUT_BUFLEN 1024 + +struct option_port_private { + /* Input endpoints and buffer for this port */ + struct urb *in_urbs[N_IN_URB]; + char in_buffer[N_IN_URB][IN_BUFLEN]; + /* Output endpoints and buffer for this port */ + struct urb *out_urbs[N_OUT_URB]; + char out_buffer[N_OUT_URB][OUT_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; + // int break_on; + + unsigned long tx_start_time[N_OUT_URB]; +}; + + +/* Functions used by new usb-serial code. */ +static int __init +option_init (void) +{ + int retval; + retval = usb_serial_register(&option_3port_device); + if (retval) + goto failed_3port_device_register; + retval = usb_register(&option_driver); + if (retval) + goto failed_driver_register; + + info(DRIVER_DESC ": " DRIVER_VERSION); + + return 0; + +failed_driver_register: + usb_serial_deregister (&option_3port_device); +failed_3port_device_register: + return retval; +} + +static void __exit +option_exit (void) +{ + usb_deregister (&option_driver); + usb_serial_deregister (&option_3port_device); +} + +module_init(option_init); +module_exit(option_exit); + +static void +option_rx_throttle (struct usb_serial_port *port) +{ + dbg("%s", __FUNCTION__); +} + + +static void +option_rx_unthrottle (struct usb_serial_port *port) +{ + dbg("%s", __FUNCTION__); +} + + +static void +option_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 +option_set_termios (struct usb_serial_port *port, + struct termios *old_termios) +{ + dbg("%s", __FUNCTION__); + + option_send_setup(port); +} + +static int +option_tiocmget(struct usb_serial_port *port, struct file *file) +{ + unsigned int value; + struct option_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 +option_tiocmset (struct usb_serial_port *port, struct file *file, + unsigned int set, unsigned int clear) +{ + struct option_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 option_send_setup(port); +} + +static int +option_ioctl (struct usb_serial_port *port, struct file *file, + unsigned int cmd, unsigned long arg) +{ + return -ENOIOCTLCMD; +} + +/* Write */ +static int +option_write(struct usb_serial_port *port, + const unsigned char *buf, int count) +{ + struct option_port_private *portdata; + int i; + int left, todo; + struct urb *this_urb = NULL; /* spurious */ + int err; + + portdata = usb_get_serial_port_data(port); + + dbg("%s: write (%d chars)", __FUNCTION__, count); + +#if 0 + spin_lock(&port->lock); + if (port->write_urb_busy) { + spin_unlock(&port->lock); + dbg("%s: already writing", __FUNCTION__); + return 0; + } + port->write_urb_busy = 1; + spin_unlock(&port->lock); +#endif + + i = 0; + left = count; + while (left>0) { + todo = left; + if (todo > OUT_BUFLEN) + todo = OUT_BUFLEN; + + for (;i < N_OUT_URB; i++) { + /* Check we have a valid urb/endpoint before we use it... */ + this_urb = portdata->out_urbs[i]; + if (this_urb->status != -EINPROGRESS) + break; + if (this_urb->transfer_flags & URB_ASYNC_UNLINK) + continue; + if (time_before(jiffies, portdata->tx_start_time[i] + 10 * HZ)) + continue; + this_urb->transfer_flags |= URB_ASYNC_UNLINK; + usb_unlink_urb(this_urb); + } + + if (i == N_OUT_URB) { + /* no bulk out free! */ + dbg("%s: no output urb -- left %d", __FUNCTION__,count-left); +#if 0 + port->write_urb_busy = 0; +#endif + return count-left; + } + + dbg("%s: endpoint %d buf %d", __FUNCTION__, usb_pipeendpoint(this_urb->pipe), i); + + memcpy (this_urb->transfer_buffer, buf, todo); + + /* send the data out the bulk port */ + this_urb->transfer_buffer_length = todo; + + this_urb->transfer_flags &= ~URB_ASYNC_UNLINK; + this_urb->dev = port->serial->dev; + 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); + continue; + } + portdata->tx_start_time[i] = jiffies; + buf += todo; + left -= todo; + } + + count -= left; +#if 0 + port->write_urb_busy = 0; +#endif + dbg("%s: wrote (did %d)", __FUNCTION__, count); + return count; +} + +static void +option_indat_callback (struct urb *urb, struct pt_regs *regs) +{ + int i, err; + int endpoint; + struct usb_serial_port *port; + struct tty_struct *tty; + unsigned char *data = urb->transfer_buffer; + + dbg("%s: %p", __FUNCTION__, urb); + + endpoint = usb_pipeendpoint(urb->pipe); + port = (struct usb_serial_port *) urb->context; + + if (urb->status) { + dbg("%s: nonzero status: %d on endpoint %02x.", + __FUNCTION__, urb->status, endpoint); + } else { + tty = port->tty; + if (urb->actual_length) { + for (i = 0; i < urb->actual_length ; ++i) { + if (tty->flip.count >= TTY_FLIPBUF_SIZE) + tty_flip_buffer_push(tty); + tty_insert_flip_char(tty, data[i], 0); + } + tty_flip_buffer_push(tty); + } else { + dbg("%s: empty read urb received", __FUNCTION__); + } + + /* Resubmit urb so we continue receiving */ + if (port->open_count && urb->status != -ESHUTDOWN) { + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err) + printk(KERN_ERR "%s: resubmit read urb failed. (%d)", __FUNCTION__, err); + } + } + return; +} + +static void +option_outdat_callback (struct urb *urb, struct pt_regs *regs) +{ + struct usb_serial_port *port; + + dbg("%s", __FUNCTION__); + + port = (struct usb_serial_port *) urb->context; + + if (port->open_count) + schedule_work(&port->work); +} + +static void +option_instat_callback (struct urb *urb, struct pt_regs *regs) +{ + int err; + struct usb_serial_port *port = (struct usb_serial_port *) urb->context; + struct option_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 (urb->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__, urb->status); + + /* Resubmit urb so we continue receiving IRQ data */ + if (urb->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 +option_write_room (struct usb_serial_port *port) +{ + struct option_port_private *portdata; + int i; + int data_len = 0; + struct urb *this_urb; + + portdata = usb_get_serial_port_data(port); + + for (i=0; i < N_OUT_URB; i++) + this_urb = portdata->out_urbs[i]; + if (this_urb && this_urb->status != -EINPROGRESS) + data_len += OUT_BUFLEN; + + dbg("%s: %d", __FUNCTION__, data_len); + return data_len; +} + + +static int +option_chars_in_buffer (struct usb_serial_port *port) +{ + struct option_port_private *portdata; + int i; + int data_len = 0; + struct urb *this_urb; + + portdata = usb_get_serial_port_data(port); + + for (i=0; i < N_OUT_URB; i++) + this_urb = portdata->out_urbs[i]; + if (this_urb && this_urb->status == -EINPROGRESS) + data_len += this_urb->transfer_buffer_length; + + dbg("%s: %d", __FUNCTION__, data_len); + return data_len; +} + + +static int +option_open (struct usb_serial_port *port, struct file *filp) +{ + struct option_port_private *portdata; + struct usb_serial *serial = port->serial; + int i, err; + struct urb *urb; + + 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); + + err = usb_submit_urb(urb, GFP_KERNEL); + if (err) { + dbg("%s: submit urb %d failed (%d) %d", __FUNCTION__, i, err, + urb->transfer_buffer_length); + } + } + + /* Reset low level data toggle on out endpoints */ + for (i = 0; i < N_OUT_URB; i++) { + urb = portdata->out_urbs[i]; + if (! urb) + continue; + urb->dev = serial->dev; + /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), usb_pipeout(urb->pipe), 0); */ + } + + port->tty->low_latency = 1; + + option_send_setup(port); + + return (0); +} + +static inline void +stop_urb(struct urb *urb) +{ + if (urb && urb->status == -EINPROGRESS) { + urb->transfer_flags &= ~URB_ASYNC_UNLINK; + usb_kill_urb(urb); + } +} + +static void +option_close(struct usb_serial_port *port, struct file *filp) +{ + int i; + struct usb_serial *serial = port->serial; + struct option_port_private *portdata; + + dbg("%s", __FUNCTION__); + portdata = usb_get_serial_port_data(port); + + portdata->rts_state = 0; + portdata->dtr_state = 0; + + if (serial->dev) { + option_send_setup(port); + + /* Stop reading/writing urbs */ + for (i = 0; i < N_IN_URB; i++) + stop_urb(portdata->in_urbs[i]); + for (i = 0; i < N_OUT_URB; i++) + stop_urb(portdata->out_urbs[i]); + } + port->tty = NULL; +} + + +/* Helper functions used by option_setup_urbs */ +static struct urb * +option_setup_urb (struct usb_serial *serial, int endpoint, + int dir, void *ctx, char *buf, int len, + void (*callback)(struct urb *, struct pt_regs *regs)) +{ + struct urb *urb; + + if (endpoint == -1) + return NULL; /* endpoint not needed */ + + urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ + if (urb == NULL) { + dbg("%s: alloc for endpoint %d failed.", __FUNCTION__, endpoint); + return NULL; + } + + /* Fill URB using supplied data. */ + usb_fill_bulk_urb(urb, serial->dev, + usb_sndbulkpipe(serial->dev, endpoint) | dir, + buf, len, callback, ctx); + + return urb; +} + +/* Setup urbs */ +static void +option_setup_urbs(struct usb_serial *serial) +{ + int j; + struct usb_serial_port *port; + struct option_port_private *portdata; + + dbg("%s", __FUNCTION__); + + port = serial->port[0]; + portdata = usb_get_serial_port_data(port); + + /* Do indat endpoints first */ + for (j = 0; j <= N_IN_URB; ++j) { + portdata->in_urbs[j] = option_setup_urb (serial, + port->bulk_in_endpointAddress, USB_DIR_IN, port, + portdata->in_buffer[j], IN_BUFLEN, option_indat_callback); + } + + /* outdat endpoints */ + for (j = 0; j <= N_OUT_URB; ++j) { + portdata->out_urbs[j] = option_setup_urb (serial, + port->bulk_out_endpointAddress, USB_DIR_OUT, port, + portdata->out_buffer[j], OUT_BUFLEN, option_outdat_callback); + } +} + + +static int +option_send_setup(struct usb_serial_port *port) +{ + struct usb_serial *serial = port->serial; + struct option_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 int +option_startup (struct usb_serial *serial) +{ + int i, err; + struct usb_serial_port *port; + struct option_port_private *portdata; + + dbg("%s", __FUNCTION__); + + /* Now setup per port private data */ + for (i = 0; i < serial->num_ports; i++) { + port = serial->port[i]; + portdata = kmalloc(sizeof(struct option_port_private), GFP_KERNEL); + if (!portdata) { + dbg("%s: kmalloc for option_port_private (%d) failed!.", __FUNCTION__, i); + return (1); + } + memset(portdata, 0, sizeof(struct option_port_private)); + + usb_set_serial_port_data(port, portdata); + + if (! port->interrupt_in_urb) + continue; + err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); + if (err) + dbg("%s: submit irq_in urb failed %d", __FUNCTION__, err); + } + + option_setup_urbs(serial); + + return (0); +} + +static void +option_shutdown (struct usb_serial *serial) +{ + int i, j; + struct usb_serial_port *port; + struct option_port_private *portdata; + + dbg("%s", __FUNCTION__); + + /* Stop reading/writing urbs */ + for (i = 0; i < serial->num_ports; ++i) { + port = serial->port[i]; + portdata = usb_get_serial_port_data(port); + for (j = 0; j < N_IN_URB; j++) + stop_urb(portdata->in_urbs[j]); + for (j = 0; j < N_OUT_URB; j++) + stop_urb(portdata->out_urbs[j]); + } + + /* Now free them */ + for (i = 0; i < serial->num_ports; ++i) { + port = serial->port[i]; + portdata = usb_get_serial_port_data(port); + + for (j = 0; j < N_IN_URB; j++) { + if (portdata->in_urbs[j]) { + usb_free_urb(portdata->in_urbs[j]); + portdata->in_urbs[j] = NULL; + } + } + for (j = 0; j < N_OUT_URB; j++) { + if (portdata->out_urbs[j]) { + usb_free_urb(portdata->out_urbs[j]); + portdata->out_urbs[j] = NULL; + } + } + } + + /* Now free per port private data */ + for (i = 0; i < serial->num_ports; i++) { + port = serial->port[i]; + kfree(usb_get_serial_port_data(port)); + } +} + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_VERSION(DRIVER_VERSION); +MODULE_LICENSE("GPL"); + +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Debug messages"); + diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 4536f63..5da76dd 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1297,13 +1297,6 @@ static int __init usb_serial_init(void) goto exit_bus; } - /* register the generic driver, if we should */ - result = usb_serial_generic_register(debug); - if (result < 0) { - err("%s - registering generic driver failed", __FUNCTION__); - goto exit_generic; - } - usb_serial_tty_driver->owner = THIS_MODULE; usb_serial_tty_driver->driver_name = "usbserial"; usb_serial_tty_driver->devfs_name = "usb/tts/"; @@ -1329,17 +1322,24 @@ static int __init usb_serial_init(void) goto exit_tty; } + /* register the generic driver, if we should */ + result = usb_serial_generic_register(debug); + if (result < 0) { + err("%s - registering generic driver failed", __FUNCTION__); + goto exit_generic; + } + info(DRIVER_DESC " " DRIVER_VERSION); return result; +exit_generic: + usb_deregister(&usb_serial_driver); + exit_tty: tty_unregister_driver(usb_serial_tty_driver); exit_reg_driver: - usb_serial_generic_deregister(); - -exit_generic: bus_unregister(&usb_serial_bus_type); exit_bus: |
