diff options
Diffstat (limited to 'drivers/usb/serial/kobil_sct.c')
| -rw-r--r-- | drivers/usb/serial/kobil_sct.c | 617 |
1 files changed, 332 insertions, 285 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 693f00da7c0..deba28ec77e 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -1,7 +1,7 @@ /* * KOBIL USB Smart Card Terminal Driver * - * Copyright (C) 2002 KOBIL Systems GmbH + * Copyright (C) 2002 KOBIL Systems GmbH * Author: Thomas Wahrenbruch * * Contact: linuxusb@kobil.de @@ -20,7 +20,7 @@ * * Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus * (Adapter K), B1 Professional and KAAN Professional (Adapter B) - * + * * (21/05/2004) tw * Fix bug with P'n'P readers * @@ -44,7 +44,7 @@ #include <linux/tty_flip.h> #include <linux/module.h> #include <linux/spinlock.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/usb.h> #include <linux/usb/serial.h> #include <linux/ioctl.h> @@ -68,21 +68,24 @@ static int debug; /* Function prototypes */ -static int kobil_startup (struct usb_serial *serial); -static void kobil_shutdown (struct usb_serial *serial); -static int kobil_open (struct usb_serial_port *port, struct file *filp); -static void kobil_close (struct usb_serial_port *port, struct file *filp); -static int kobil_write (struct usb_serial_port *port, +static int kobil_startup(struct usb_serial *serial); +static void kobil_shutdown(struct usb_serial *serial); +static int kobil_open(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp); +static void kobil_close(struct tty_struct *tty, struct usb_serial_port *port, + struct file *filp); +static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count); -static int kobil_write_room(struct usb_serial_port *port); -static int kobil_ioctl(struct usb_serial_port *port, struct file *file, +static int kobil_write_room(struct tty_struct *tty); +static int kobil_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); -static int kobil_tiocmget(struct usb_serial_port *port, struct file *file); -static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, +static int kobil_tiocmget(struct tty_struct *tty, struct file *file); +static int kobil_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear); -static void kobil_read_int_callback( struct urb *urb ); -static void kobil_write_callback( struct urb *purb ); -static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old); +static void kobil_read_int_callback(struct urb *urb); +static void kobil_write_callback(struct urb *purb); +static void kobil_set_termios(struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old); static struct usb_device_id id_table [] = { @@ -94,7 +97,7 @@ static struct usb_device_id id_table [] = { }; -MODULE_DEVICE_TABLE (usb, id_table); +MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver kobil_driver = { .name = "kobil", @@ -131,14 +134,14 @@ static struct usb_serial_driver kobil_device = { struct kobil_private { int write_int_endpoint_address; int read_int_endpoint_address; - unsigned char buf[KOBIL_BUF_LENGTH]; // buffer for the APDU to send - int filled; // index of the last char in buf - int cur_pos; // index of the next char to send in buf + unsigned char buf[KOBIL_BUF_LENGTH]; /* buffer for the APDU to send */ + int filled; /* index of the last char in buf */ + int cur_pos; /* index of the next char to send in buf */ __u16 device_type; }; -static int kobil_startup (struct usb_serial *serial) +static int kobil_startup(struct usb_serial *serial) { int i; struct kobil_private *priv; @@ -149,20 +152,20 @@ static int kobil_startup (struct usb_serial *serial) struct usb_host_endpoint *endpoint; priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL); - if (!priv){ + if (!priv) return -ENOMEM; - } priv->filled = 0; priv->cur_pos = 0; priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct); - switch (priv->device_type){ + switch (priv->device_type) { case KOBIL_ADAPTER_B_PRODUCT_ID: printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n"); break; case KOBIL_ADAPTER_K_PRODUCT_ID: - printk(KERN_DEBUG "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n"); + printk(KERN_DEBUG + "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n"); break; case KOBIL_USBTWIN_PRODUCT_ID: printk(KERN_DEBUG "KOBIL USBTWIN detected\n"); @@ -173,44 +176,48 @@ static int kobil_startup (struct usb_serial *serial) } usb_set_serial_port_data(serial->port[0], priv); - // search for the necessary endpoints + /* search for the necessary endpoints */ pdev = serial->dev; - actconfig = pdev->actconfig; - interface = actconfig->interface[0]; + actconfig = pdev->actconfig; + interface = actconfig->interface[0]; altsetting = interface->cur_altsetting; - endpoint = altsetting->endpoint; - - for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { + endpoint = altsetting->endpoint; + + for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { endpoint = &altsetting->endpoint[i]; if (usb_endpoint_is_int_out(&endpoint->desc)) { - dbg("%s Found interrupt out endpoint. Address: %d", __func__, endpoint->desc.bEndpointAddress); - priv->write_int_endpoint_address = endpoint->desc.bEndpointAddress; - } + dbg("%s Found interrupt out endpoint. Address: %d", + __func__, endpoint->desc.bEndpointAddress); + priv->write_int_endpoint_address = + endpoint->desc.bEndpointAddress; + } if (usb_endpoint_is_int_in(&endpoint->desc)) { - dbg("%s Found interrupt in endpoint. Address: %d", __func__, endpoint->desc.bEndpointAddress); - priv->read_int_endpoint_address = endpoint->desc.bEndpointAddress; - } + dbg("%s Found interrupt in endpoint. Address: %d", + __func__, endpoint->desc.bEndpointAddress); + priv->read_int_endpoint_address = + endpoint->desc.bEndpointAddress; + } } return 0; } -static void kobil_shutdown (struct usb_serial *serial) +static void kobil_shutdown(struct usb_serial *serial) { int i; dbg("%s - port %d", __func__, serial->port[0]->number); - for (i=0; i < serial->num_ports; ++i) { - while (serial->port[i]->open_count > 0) { - kobil_close (serial->port[i], NULL); - } + for (i = 0; i < serial->num_ports; ++i) { + while (serial->port[i]->port.count > 0) + kobil_close(NULL, serial->port[i], NULL); kfree(usb_get_serial_port_data(serial->port[i])); usb_set_serial_port_data(serial->port[i], NULL); } } -static int kobil_open (struct usb_serial_port *port, struct file *filp) +static int kobil_open(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp) { int result = 0; struct kobil_private *priv; @@ -221,7 +228,7 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp) dbg("%s - port %d", __func__, port->number); priv = usb_get_serial_port_data(port); - // someone sets the dev to 0 if the close method has been called + /* someone sets the dev to 0 if the close method has been called */ port->interrupt_in_urb->dev = port->serial->dev; @@ -229,100 +236,115 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp) * the data through, otherwise it is scheduled, and with high * data rates (like with OHCI) data can get lost. */ - port->tty->low_latency = 1; - - // without this, every push_tty_char is echoed :-( - port->tty->termios->c_lflag = 0; - port->tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE); - port->tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF; - port->tty->termios->c_oflag &= ~ONLCR; // do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) - - // allocate memory for transfer buffer + if (tty) { + tty->low_latency = 1; + + /* Default to echo off and other sane device settings */ + tty->termios->c_lflag = 0; + tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | + XCASE); + tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF; + /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */ + tty->termios->c_oflag &= ~ONLCR; + } + /* allocate memory for transfer buffer */ transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); - if (! transfer_buffer) { + if (!transfer_buffer) return -ENOMEM; - } - - // allocate write_urb - if (!port->write_urb) { - dbg("%s - port %d Allocating port->write_urb", __func__, port->number); - port->write_urb = usb_alloc_urb(0, GFP_KERNEL); + + /* allocate write_urb */ + if (!port->write_urb) { + dbg("%s - port %d Allocating port->write_urb", + __func__, port->number); + port->write_urb = usb_alloc_urb(0, GFP_KERNEL); if (!port->write_urb) { - dbg("%s - port %d usb_alloc_urb failed", __func__, port->number); + dbg("%s - port %d usb_alloc_urb failed", + __func__, port->number); kfree(transfer_buffer); return -ENOMEM; } } - // allocate memory for write_urb transfer buffer - port->write_urb->transfer_buffer = kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); - if (! port->write_urb->transfer_buffer) { + /* allocate memory for write_urb transfer buffer */ + port->write_urb->transfer_buffer = + kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); + if (!port->write_urb->transfer_buffer) { kfree(transfer_buffer); usb_free_urb(port->write_urb); port->write_urb = NULL; return -ENOMEM; - } - - // get hardware version - result = usb_control_msg( port->serial->dev, - usb_rcvctrlpipe(port->serial->dev, 0 ), - SUSBCRequest_GetMisc, - USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, - SUSBCR_MSC_GetHWVersion, - 0, - transfer_buffer, - transfer_buffer_length, - KOBIL_TIMEOUT + } + + /* get hardware version */ + result = usb_control_msg(port->serial->dev, + usb_rcvctrlpipe(port->serial->dev, 0), + SUSBCRequest_GetMisc, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, + SUSBCR_MSC_GetHWVersion, + 0, + transfer_buffer, + transfer_buffer_length, + KOBIL_TIMEOUT + ); + dbg("%s - port %d Send get_HW_version URB returns: %i", + __func__, port->number, result); + dbg("Harware version: %i.%i.%i", + transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); + + /* get firmware version */ + result = usb_control_msg(port->serial->dev, + usb_rcvctrlpipe(port->serial->dev, 0), + SUSBCRequest_GetMisc, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, + SUSBCR_MSC_GetFWVersion, + 0, + transfer_buffer, + transfer_buffer_length, + KOBIL_TIMEOUT + ); + dbg("%s - port %d Send get_FW_version URB returns: %i", + __func__, port->number, result); + dbg("Firmware version: %i.%i.%i", + transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); + + if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || + priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { + /* Setting Baudrate, Parity and Stopbits */ + result = usb_control_msg(port->serial->dev, + usb_rcvctrlpipe(port->serial->dev, 0), + SUSBCRequest_SetBaudRateParityAndStopBits, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, + SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | + SUSBCR_SPASB_1StopBit, + 0, + transfer_buffer, + 0, + KOBIL_TIMEOUT ); - dbg("%s - port %d Send get_HW_version URB returns: %i", __func__, port->number, result); - dbg("Harware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] ); - - // get firmware version - result = usb_control_msg( port->serial->dev, - usb_rcvctrlpipe(port->serial->dev, 0 ), - SUSBCRequest_GetMisc, - USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, - SUSBCR_MSC_GetFWVersion, - 0, - transfer_buffer, - transfer_buffer_length, - KOBIL_TIMEOUT + dbg("%s - port %d Send set_baudrate URB returns: %i", + __func__, port->number, result); + + /* reset all queues */ + result = usb_control_msg(port->serial->dev, + usb_rcvctrlpipe(port->serial->dev, 0), + SUSBCRequest_Misc, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, + SUSBCR_MSC_ResetAllQueues, + 0, + transfer_buffer, + 0, + KOBIL_TIMEOUT ); - dbg("%s - port %d Send get_FW_version URB returns: %i", __func__, port->number, result); - dbg("Firmware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] ); - - if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { - // Setting Baudrate, Parity and Stopbits - result = usb_control_msg( port->serial->dev, - usb_rcvctrlpipe(port->serial->dev, 0 ), - SUSBCRequest_SetBaudRateParityAndStopBits, - USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, - SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | SUSBCR_SPASB_1StopBit, - 0, - transfer_buffer, - 0, - KOBIL_TIMEOUT - ); - dbg("%s - port %d Send set_baudrate URB returns: %i", __func__, port->number, result); - - // reset all queues - result = usb_control_msg( port->serial->dev, - usb_rcvctrlpipe(port->serial->dev, 0 ), - SUSBCRequest_Misc, - USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, - SUSBCR_MSC_ResetAllQueues, - 0, - transfer_buffer, - 0, - KOBIL_TIMEOUT - ); - dbg("%s - port %d Send reset_all_queues URB returns: %i", __func__, port->number, result); + dbg("%s - port %d Send reset_all_queues URB returns: %i", + __func__, port->number, result); } - if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || + if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || + priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { - // start reading (Adapter B 'cause PNP string) - result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC ); - dbg("%s - port %d Send read URB returns: %i", __func__, port->number, result); + /* start reading (Adapter B 'cause PNP string) */ + result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); + dbg("%s - port %d Send read URB returns: %i", + __func__, port->number, result); } kfree(transfer_buffer); @@ -330,13 +352,14 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp) } -static void kobil_close (struct usb_serial_port *port, struct file *filp) +static void kobil_close(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp) { dbg("%s - port %d", __func__, port->number); if (port->write_urb) { usb_kill_urb(port->write_urb); - usb_free_urb( port->write_urb ); + usb_free_urb(port->write_urb); port->write_urb = NULL; } usb_kill_urb(port->interrupt_in_urb); @@ -350,7 +373,7 @@ static void kobil_read_int_callback(struct urb *urb) struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; int status = urb->status; -// char *dbg_data; +/* char *dbg_data; */ dbg("%s - port %d", __func__, port->number); @@ -360,51 +383,53 @@ static void kobil_read_int_callback(struct urb *urb) return; } - tty = port->tty; + tty = port->port.tty; if (urb->actual_length) { - // BEGIN DEBUG + /* BEGIN DEBUG */ /* - dbg_data = kzalloc((3 * purb->actual_length + 10) * sizeof(char), GFP_KERNEL); + dbg_data = kzalloc((3 * purb->actual_length + 10) + * sizeof(char), GFP_KERNEL); if (! dbg_data) { - return; + return; } - for (i = 0; i < purb->actual_length; i++) { - sprintf(dbg_data +3*i, "%02X ", data[i]); + for (i = 0; i < purb->actual_length; i++) { + sprintf(dbg_data +3*i, "%02X ", data[i]); } - dbg(" <-- %s", dbg_data ); + dbg(" <-- %s", dbg_data); kfree(dbg_data); */ - // END DEBUG + /* END DEBUG */ tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } - - // someone sets the dev to 0 if the close method has been called + /* someone sets the dev to 0 if the close method has been called */ port->interrupt_in_urb->dev = port->serial->dev; result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); - dbg("%s - port %d Send read URB returns: %i", __func__, port->number, result); + dbg("%s - port %d Send read URB returns: %i", + __func__, port->number, result); } -static void kobil_write_callback( struct urb *purb ) +static void kobil_write_callback(struct urb *purb) { } -static int kobil_write (struct usb_serial_port *port, +static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count) { int length = 0; int result = 0; int todo = 0; - struct kobil_private * priv; + struct kobil_private *priv; if (count == 0) { - dbg("%s - port %d write request of 0 bytes", __func__, port->number); + dbg("%s - port %d write request of 0 bytes", + __func__, port->number); return 0; } @@ -415,106 +440,113 @@ static int kobil_write (struct usb_serial_port *port, return -ENOMEM; } - // Copy data to buffer - memcpy (priv->buf + priv->filled, buf, count); - - usb_serial_debug_data(debug, &port->dev, __func__, count, priv->buf + priv->filled); - + /* Copy data to buffer */ + memcpy(priv->buf + priv->filled, buf, count); + usb_serial_debug_data(debug, &port->dev, __func__, count, + priv->buf + priv->filled); priv->filled = priv->filled + count; - - // only send complete block. TWIN, KAAN SIM and adapter K use the same protocol. - if ( ((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) || - ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4))) ) { - - // stop reading (except TWIN and KAAN SIM) - if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) + /* only send complete block. TWIN, KAAN SIM and adapter K + use the same protocol. */ + if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) || + ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) { + /* stop reading (except TWIN and KAAN SIM) */ + if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) + || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID)) usb_kill_urb(port->interrupt_in_urb); todo = priv->filled - priv->cur_pos; - while(todo > 0) { - // max 8 byte in one urb (endpoint size) + while (todo > 0) { + /* max 8 byte in one urb (endpoint size) */ length = (todo < 8) ? todo : 8; - // copy data to transfer buffer - memcpy(port->write_urb->transfer_buffer, priv->buf + priv->cur_pos, length ); - usb_fill_int_urb( port->write_urb, - port->serial->dev, - usb_sndintpipe(port->serial->dev, priv->write_int_endpoint_address), - port->write_urb->transfer_buffer, - length, - kobil_write_callback, - port, - 8 - ); + /* copy data to transfer buffer */ + memcpy(port->write_urb->transfer_buffer, + priv->buf + priv->cur_pos, length); + usb_fill_int_urb(port->write_urb, + port->serial->dev, + usb_sndintpipe(port->serial->dev, + priv->write_int_endpoint_address), + port->write_urb->transfer_buffer, + length, + kobil_write_callback, + port, + 8 + ); priv->cur_pos = priv->cur_pos + length; - result = usb_submit_urb( port->write_urb, GFP_NOIO ); - dbg("%s - port %d Send write URB returns: %i", __func__, port->number, result); + result = usb_submit_urb(port->write_urb, GFP_NOIO); + dbg("%s - port %d Send write URB returns: %i", + __func__, port->number, result); todo = priv->filled - priv->cur_pos; - if (todo > 0) { + if (todo > 0) msleep(24); - } + } - } // end while - priv->filled = 0; priv->cur_pos = 0; - // someone sets the dev to 0 if the close method has been called + /* someone sets the dev to 0 if the close method + has been called */ port->interrupt_in_urb->dev = port->serial->dev; - - // start reading (except TWIN and KAAN SIM) - if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) { - // someone sets the dev to 0 if the close method has been called + + /* start reading (except TWIN and KAAN SIM) */ + if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || + priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { + /* someone sets the dev to 0 if the close method has + been called */ port->interrupt_in_urb->dev = port->serial->dev; - - result = usb_submit_urb( port->interrupt_in_urb, GFP_NOIO ); - dbg("%s - port %d Send read URB returns: %i", __func__, port->number, result); + + result = usb_submit_urb(port->interrupt_in_urb, + GFP_NOIO); + dbg("%s - port %d Send read URB returns: %i", + __func__, port->number, result); } } return count; } -static int kobil_write_room (struct usb_serial_port *port) +static int kobil_write_room(struct tty_struct *tty) { - //dbg("%s - port %d", __func__, port->number); + /* dbg("%s - port %d", __func__, port->number); */ + /* FIXME */ return 8; } -static int kobil_tiocmget(struct usb_serial_port *port, struct file *file) +static int kobil_tiocmget(struct tty_struct *tty, struct file *file) { - struct kobil_private * priv; + struct usb_serial_port *port = tty->driver_data; + struct kobil_private *priv; int result; unsigned char *transfer_buffer; int transfer_buffer_length = 8; priv = usb_get_serial_port_data(port); - if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) { - // This device doesn't support ioctl calls + if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID + || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { + /* This device doesn't support ioctl calls */ return -EINVAL; } - // allocate memory for transfer buffer + /* allocate memory for transfer buffer */ transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); - if (!transfer_buffer) { + if (!transfer_buffer) return -ENOMEM; - } - result = usb_control_msg( port->serial->dev, - usb_rcvctrlpipe(port->serial->dev, 0 ), - SUSBCRequest_GetStatusLineState, - USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, - 0, - 0, - transfer_buffer, - transfer_buffer_length, - KOBIL_TIMEOUT); - - dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", + result = usb_control_msg(port->serial->dev, + usb_rcvctrlpipe(port->serial->dev, 0), + SUSBCRequest_GetStatusLineState, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, + 0, + 0, + transfer_buffer, + transfer_buffer_length, + KOBIL_TIMEOUT); + + dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", __func__, port->number, result, transfer_buffer[0]); result = 0; @@ -524,10 +556,11 @@ static int kobil_tiocmget(struct usb_serial_port *port, struct file *file) return result; } -static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, +static int kobil_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { - struct kobil_private * priv; + struct usb_serial_port *port = tty->driver_data; + struct kobil_private *priv; int result; int dtr = 0; int rts = 0; @@ -536,16 +569,16 @@ static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, /* FIXME: locking ? */ priv = usb_get_serial_port_data(port); - if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) { - // This device doesn't support ioctl calls + if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID + || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { + /* This device doesn't support ioctl calls */ return -EINVAL; } - // allocate memory for transfer buffer + /* allocate memory for transfer buffer */ transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); - if (! transfer_buffer) { + if (!transfer_buffer) return -ENOMEM; - } if (set & TIOCM_RTS) rts = 1; @@ -558,66 +591,77 @@ static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) { if (dtr != 0) - dbg("%s - port %d Setting DTR", __func__, port->number); + dbg("%s - port %d Setting DTR", + __func__, port->number); else - dbg("%s - port %d Clearing DTR", __func__, port->number); - result = usb_control_msg( port->serial->dev, - usb_rcvctrlpipe(port->serial->dev, 0 ), - SUSBCRequest_SetStatusLinesOrQueues, - USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, - ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR), - 0, - transfer_buffer, - 0, - KOBIL_TIMEOUT); + dbg("%s - port %d Clearing DTR", + __func__, port->number); + result = usb_control_msg(port->serial->dev, + usb_rcvctrlpipe(port->serial->dev, 0), + SUSBCRequest_SetStatusLinesOrQueues, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, + ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR), + 0, + transfer_buffer, + 0, + KOBIL_TIMEOUT); } else { if (rts != 0) - dbg("%s - port %d Setting RTS", __func__, port->number); + dbg("%s - port %d Setting RTS", + __func__, port->number); else - dbg("%s - port %d Clearing RTS", __func__, port->number); - result = usb_control_msg( port->serial->dev, - usb_rcvctrlpipe(port->serial->dev, 0 ), - SUSBCRequest_SetStatusLinesOrQueues, - USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, - ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS), - 0, - transfer_buffer, - 0, - KOBIL_TIMEOUT); + dbg("%s - port %d Clearing RTS", + __func__, port->number); + result = usb_control_msg(port->serial->dev, + usb_rcvctrlpipe(port->serial->dev, 0), + SUSBCRequest_SetStatusLinesOrQueues, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, + ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS), + 0, + transfer_buffer, + 0, + KOBIL_TIMEOUT); } - dbg("%s - port %d Send set_status_line URB returns: %i", __func__, port->number, result); + dbg("%s - port %d Send set_status_line URB returns: %i", + __func__, port->number, result); kfree(transfer_buffer); return (result < 0) ? result : 0; } -static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old) +static void kobil_set_termios(struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old) { - struct kobil_private * priv; + struct kobil_private *priv; int result; unsigned short urb_val = 0; - int c_cflag = port->tty->termios->c_cflag; + int c_cflag = tty->termios->c_cflag; speed_t speed; - void * settings; + void *settings; priv = usb_get_serial_port_data(port); - if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) - // This device doesn't support ioctl calls + if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || + priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { + /* This device doesn't support ioctl calls */ + *tty->termios = *old; return; + } - switch (speed = tty_get_baud_rate(port->tty)) { - case 1200: - urb_val = SUSBCR_SBR_1200; - break; - default: - speed = 9600; - case 9600: - urb_val = SUSBCR_SBR_9600; - break; + speed = tty_get_baud_rate(tty); + switch (speed) { + case 1200: + urb_val = SUSBCR_SBR_1200; + break; + default: + speed = 9600; + case 9600: + urb_val = SUSBCR_SBR_9600; + break; } - urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : SUSBCR_SPASB_1StopBit; + urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : + SUSBCR_SPASB_1StopBit; settings = kzalloc(50, GFP_KERNEL); - if (! settings) + if (!settings) return; sprintf(settings, "%d ", speed); @@ -634,66 +678,69 @@ static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old urb_val |= SUSBCR_SPASB_NoParity; strcat(settings, "No Parity"); } - port->tty->termios->c_cflag &= ~CMSPAR; - tty_encode_baud_rate(port->tty, speed, speed); - - result = usb_control_msg( port->serial->dev, - usb_rcvctrlpipe(port->serial->dev, 0 ), - SUSBCRequest_SetBaudRateParityAndStopBits, - USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, - urb_val, - 0, - settings, - 0, - KOBIL_TIMEOUT + tty->termios->c_cflag &= ~CMSPAR; + tty_encode_baud_rate(tty, speed, speed); + + result = usb_control_msg(port->serial->dev, + usb_rcvctrlpipe(port->serial->dev, 0), + SUSBCRequest_SetBaudRateParityAndStopBits, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, + urb_val, + 0, + settings, + 0, + KOBIL_TIMEOUT ); kfree(settings); } -static int kobil_ioctl(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg) +static int kobil_ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) { - struct kobil_private * priv = usb_get_serial_port_data(port); + struct usb_serial_port *port = tty->driver_data; + struct kobil_private *priv = usb_get_serial_port_data(port); unsigned char *transfer_buffer; int transfer_buffer_length = 8; int result; - if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) - // This device doesn't support ioctl calls - return 0; + if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || + priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) + /* This device doesn't support ioctl calls */ + return -ENOIOCTLCMD; switch (cmd) { - case TCFLSH: // 0x540B + case TCFLSH: transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); - if (! transfer_buffer) - return -ENOBUFS; - - result = usb_control_msg( port->serial->dev, - usb_rcvctrlpipe(port->serial->dev, 0 ), - SUSBCRequest_Misc, - USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, - SUSBCR_MSC_ResetAllQueues, - 0, - NULL,//transfer_buffer, - 0, - KOBIL_TIMEOUT + if (!transfer_buffer) + return -ENOBUFS; + + result = usb_control_msg(port->serial->dev, + usb_rcvctrlpipe(port->serial->dev, 0), + SUSBCRequest_Misc, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, + SUSBCR_MSC_ResetAllQueues, + 0, + NULL, /* transfer_buffer, */ + 0, + KOBIL_TIMEOUT ); - + dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __func__, port->number, result); kfree(transfer_buffer); - return (result < 0) ? -EFAULT : 0; + return (result < 0) ? -EIO: 0; default: return -ENOIOCTLCMD; } } -static int __init kobil_init (void) +static int __init kobil_init(void) { int retval; retval = usb_serial_register(&kobil_device); if (retval) goto failed_usb_serial_register; retval = usb_register(&kobil_driver); - if (retval) + if (retval) goto failed_usb_register; info(DRIVER_VERSION " " DRIVER_AUTHOR); @@ -707,18 +754,18 @@ failed_usb_serial_register: } -static void __exit kobil_exit (void) +static void __exit kobil_exit(void) { - usb_deregister (&kobil_driver); - usb_serial_deregister (&kobil_device); + usb_deregister(&kobil_driver); + usb_serial_deregister(&kobil_device); } module_init(kobil_init); module_exit(kobil_exit); -MODULE_AUTHOR( DRIVER_AUTHOR ); -MODULE_DESCRIPTION( DRIVER_DESC ); -MODULE_LICENSE( "GPL" ); +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); module_param(debug, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "Debug enabled or not"); |