/*
- * Silicon Laboratories CP2101/CP2102/CP2103 USB to RS232 serial adaptor driver
+ * Silicon Laboratories CP210x USB to RS232 serial adaptor driver
*
* Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk)
*
* thanks to Karl Hiramoto karl@hiramoto.org. RTSCTS hardware flow
* control thanks to Munir Nassar nassarmu@real-time.com
*
- * Silicon Labs RJM: updated to 0.11 for 2.6.15 and later kernels
- *
- * Port configuration, usb descriptor and gpio management by R. Steve McKown
- * rsmckown@gmail.com.
- *
- * Outstanding Issues:
- * Buffers are not flushed when the port is opened.
- * Multiple calls to write() may fail with "Resource temporarily unavailable"
- *
*/
#include <linux/kernel.h>
#include <linux/usb.h>
#include <asm/uaccess.h>
#include <linux/usb/serial.h>
+#include "cp210x.h"
/*
* Version Information
*/
-#define DRIVER_VERSION "v0.11tmi"
-#define DRIVER_DESC "Silicon Labs CP2101/CP2102/CP2103 RS232 serial adaptor driver"
+#define DRIVER_VERSION "vxxPKGVERxxtmi"
+#define DRIVER_DESC "Silicon Labs CP210x RS232 serial adaptor driver"
/*
* Function Prototypes
*/
-static int cp2101_open(struct usb_serial_port*, struct file*);
-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 ktermios*);
-static int cp2101_tiocmget (struct usb_serial_port *, struct file *);
-static int cp2101_tiocmset (struct usb_serial_port *, struct file *,
+static int cp210x_open(struct usb_serial_port*, struct file*);
+static void cp210x_cleanup(struct usb_serial_port*);
+static void cp210x_close(struct usb_serial_port*, struct file*);
+static void cp210x_get_termios(struct usb_serial_port*);
+static void cp210x_set_termios(struct usb_serial_port*, struct ktermios*);
+static int cp210x_tiocmget(struct usb_serial_port *, struct file *);
+static int cp210x_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*);
-static int cp2101_ioctl(struct usb_serial_port *, struct file *,
+static void cp210x_break_ctl(struct usb_serial_port*, int);
+static int cp210x_startup(struct usb_serial *);
+static void cp210x_shutdown(struct usb_serial*);
+static int cp210x_ioctl(struct usb_serial_port *, struct file *,
unsigned int, unsigned long);
static int debug;
-static struct usb_device_id id_table [] = {
+static const 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(0x0745, 0x1000) }, /* CipherLab USB CCD Barcode Scanner 1000 */
{ USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
+ { USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */
{ USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */
{ USB_DEVICE(0x0FCF, 0x1004) }, /* Dynastream ANT2USB */
{ USB_DEVICE(0x0FCF, 0x1006) }, /* Dynastream ANT development board */
{ USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */
{ USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */
{ USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */
+ { USB_DEVICE(0x10C4, 0x0F91) }, /* Vstabi */
+ { USB_DEVICE(0x10C4, 0x1101) }, /* Arkham Technology DS101 Bus Monitor */
+ { USB_DEVICE(0x10C4, 0x1601) }, /* Arkham Technology DS101 Adapter */
{ 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, 0x80F6) }, /* Suunto sports instrument */
{ USB_DEVICE(0x10C4, 0x8115) }, /* Arygon NFC/Mifare Reader */
{ USB_DEVICE(0x10C4, 0x813D) }, /* Burnside Telecom Deskmobile */
+ { USB_DEVICE(0x10C4, 0x813F) }, /* Tams Master Easy Control */
{ USB_DEVICE(0x10C4, 0x814A) }, /* West Mountain Radio RIGblaster P&P */
{ USB_DEVICE(0x10C4, 0x814B) }, /* West Mountain Radio RIGtalk */
{ USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */
{ USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */
{ USB_DEVICE(0x10C4, 0x81E2) }, /* Lipowsky Industrie Elektronik GmbH, Baby-LIN */
{ USB_DEVICE(0x10C4, 0x81E7) }, /* Aerocomm Radio */
+ { USB_DEVICE(0x10C4, 0x81E8) }, /* Zephyr Bioharness */
+ { USB_DEVICE(0x10C4, 0x81F2) }, /* C1007 HF band RFID controller */
{ USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */
{ USB_DEVICE(0x10C4, 0x822B) }, /* Modem EDGE(GSM) Comander 2 */
{ USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demostration module */
- { USB_DEVICE(0x10c4, 0x8293) }, /* Telegesys ETRX2USB */
+ { USB_DEVICE(0x10C4, 0x8293) }, /* Telegesys ETRX2USB */
+ { USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */
{ USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
+ { USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */
{ USB_DEVICE(0x10C4, 0x83A8) }, /* Amber Wireless AMB2560 */
+ { USB_DEVICE(0x10C4, 0x8411) }, /* Kyocera GPS Module */
{ USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xF003) }, /* Elan Digital Systems USBpulse100 */
{ USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */
{ USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */
+ { USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */
{ USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */
+ { USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */
{ USB_DEVICE(0x166A, 0x0303) }, /* Clipsal 5500PCU C-Bus USB interface */
{ USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
+ { USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */
{ } /* Terminating Entry */
};
-MODULE_DEVICE_TABLE (usb, id_table);
+MODULE_DEVICE_TABLE(usb, id_table);
-static struct usb_driver cp2101_driver = {
+static struct usb_driver cp210x_driver = {
.name = "cp210x",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.no_dynamic_id = 1,
};
-static struct usb_serial_driver cp2101_device = {
+static struct usb_serial_driver cp210x_device = {
.driver = {
.owner = THIS_MODULE,
.name = "cp210x",
},
- .usb_driver = &cp2101_driver,
+ .usb_driver = &cp210x_driver,
.id_table = id_table,
.num_interrupt_in = 0,
.num_bulk_in = NUM_DONT_CARE,
.num_bulk_out = NUM_DONT_CARE,
.num_ports = 1,
- .open = cp2101_open,
- .close = cp2101_close,
- .ioctl = cp2101_ioctl,
- .break_ctl = cp2101_break_ctl,
- .set_termios = cp2101_set_termios,
- .tiocmget = cp2101_tiocmget,
- .tiocmset = cp2101_tiocmset,
- .attach = cp2101_startup,
- .shutdown = cp2101_shutdown,
+ .open = cp210x_open,
+ .close = cp210x_close,
+ .ioctl = cp210x_ioctl,
+ .break_ctl = cp210x_break_ctl,
+ .set_termios = cp210x_set_termios,
+ .tiocmget = cp210x_tiocmget,
+ .tiocmset = cp210x_tiocmset,
+ .attach = cp210x_startup,
+ .shutdown = cp210x_shutdown,
};
/* Config request types */
#define CONTROL_WRITE_DTR 0x0100
#define CONTROL_WRITE_RTS 0x0200
-/* CP2103 ioctls */
-#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
-#define IOCTL_GPIOSET 0x8001 /* Set gpio bits */
-#define IOCTL_GPIOBIC 0x8002 /* Clear specific gpio bit(s) */
-#define IOCTL_GPIOBIS 0x8003 /* Set specific gpio bit(s) */
-
-/* CP210x ioctls principally used during initial device configuration */
-#define IOCTL_DEVICERESET 0x8004 /* Reset the cp210x */
-#define IOCTL_PORTCONFGET 0x8005 /* Get port configuration */
-#define IOCTL_PORTCONFSET 0x8006 /* Set port configuration */
-#define IOCTL_SETVID 0x8007 /* Set vendor id */
-#define IOCTL_SETPID 0x8008 /* Set product id */
-#define IOCTL_SETMFG 0x8009 /* Set manufacturer string */
-#define IOCTL_SETPRODUCT 0x800a /* Set product string */
-#define IOCTL_SETSERIAL 0x800b /* Set serial number string */
-#define IOCTL_SETDEVVER 0x800c /* set device version id */
-/* FIXME: where is IOCTL_SETMFG? */
-
-/* CP2103 GPIO */
-#define GPIO_0 0x01
-#define GPIO_1 0x02
-#define GPIO_2 0x04
-#define GPIO_3 0x08
-#define GPIO_MASK (GPIO_0|GPIO_1|GPIO_2|GPIO_3)
-
-/* GetDeviceVersion() return codes */
-#define CP210x_CP2101_VERSION 0x01
-#define CP210x_CP2102_VERSION 0x02
-#define CP210x_CP2103_VERSION 0x03
-
-/* Return codes */
-#define CP210x_SUCCESS 0x00
-#define CP210x_DEVICE_NOT_FOUND 0xFF
-#define CP210x_INVALID_HANDLE 0x01
-#define CP210x_INVALID_PARAMETER 0x02
-#define CP210x_DEVICE_IO_FAILED 0x03
-#define CP210x_FUNCTION_NOT_SUPPORTED 0x04
-#define CP210x_GLOBAL_DATA_ERROR 0x05
-#define CP210x_FILE_ERROR 0x06
-#define CP210x_COMMAND_FAILED 0x08
-#define CP210x_INVALID_ACCESS_TYPE 0x09
-
-/* USB descriptor sizes */
-#define CP210x_MAX_DEVICE_STRLEN 256
-#define CP210x_MAX_PRODUCT_STRLEN 126
-#define CP210x_MAX_SERIAL_STRLEN 63
-#define CP210x_MAX_MAXPOWER 250
-
-/* Used to pass variable sized buffers between user and kernel space (ioctls) */
-typedef struct {
- char* buf;
- size_t len;
-} cp2101_buffer_t;
-
-/* Port config definitions */
-typedef struct {
- uint16_t mode; /* Push-pull = 1, Open-drain = 0 */
- uint16_t lowPower;
- uint16_t latch; /* Logic high = 1, Logic low = 0 */
-} cp2101_port_state_t;
-
-typedef struct {
- cp2101_port_state_t reset;
- cp2101_port_state_t suspend;
- uint8_t enhancedFxn;
-} cp2101_port_config_t;
-
-#define PORT_CONFIG_LEN 13 /* Because sizeof() will pad to full words */
+/* cp210x_get_partnum() return codes */
+#define CP210x_PART_UNKNOWN 0x00
+#define CP210x_PART_CP2101 0x01
+#define CP210x_PART_CP2102 0x02
+#define CP210x_PART_CP2103 0x03
+
+/* Helper to make usb string size */
+#define USBSTRLEN(x) (x * 2 + 2)
+
+/* Populates usbstr with: (len) + (0x03) + unicode(str). Each char in str
+ * takes two bytes in unicode format.
+ * Returns the resulting length of the string in usbstr.
+ * This function can accept overlapping usbstr and str as long as the overlap
+ * does not cause data written to usbstr to overwrite data not yet read from
+ * str.
+ */
+static int make_usb_string(char *usbstr, size_t usblen, char *src,
+ size_t srclen)
+{
+ int len = 0;
+
+ if (usbstr && usblen >= 2 && src && *src && srclen) {
+ char *p;
+
+ if (usblen > 255)
+ usblen = 255;
+
+ p = usbstr + 1;
+ *p++ = 0x03;
+ len = 2;
+ while (srclen && len < usblen) {
+ *p++ = *src++;
+ *p++ = 0;
+ len += 2;
+ srclen--;
+ }
+ *usbstr = (char)len;
+ }
+ return len;
+}
/*
- * cp2101_buf_from_user
- * Copy a buffer from user space, returning the number of bytes copied
- * from ubuf.buf into kbuf. klen is the size of the buffer at kbuf.
+ * cp210x_usbstr_from_user
+ * Populate kbuf with a usb string derived from a user space variable. klen
+ * is the size of the buffer at kbuf.
+ * Returns the number of bytes used in kbuf.
*/
-size_t copy_buf_from_user(char *kbuf, unsigned long ubuf, size_t klen)
+static size_t cp210x_usbstr_from_user(char *kbuf, unsigned long ubuf,
+ size_t klen)
{
- cp2101_buffer_t t;
+ struct cp210x_buffer t;
+ char *str;
+ size_t slen;
- if (!kbuf || !ubuf || !klen ||
- copy_from_user(&t, (cp2101_buffer_t *)ubuf, sizeof(t)))
+ if (!kbuf || !ubuf || !klen)
return 0;
- if (t.len < klen)
- klen = t.len;
- if (!t.buf || !t.len || copy_from_user(kbuf, t.buf, klen))
+ if (copy_from_user(&t, (struct cp210x_buffer __user *)ubuf, sizeof(t)))
return 0;
- return klen;
+ if (!t.buf || !t.len || USBSTRLEN(t.len) > klen)
+ return 0;
+ slen = (klen - 2) / 2;
+ if (t.len < slen)
+ slen = t.len;
+ str = kbuf + klen - slen;
+ if (copy_from_user(str, (u8 __user *)t.buf, slen))
+ return 0;
+ return make_usb_string(kbuf, klen, str, slen);
+}
+
+/* cp210x_has_setmfg
+ * Returns 1 if the CP210X part includes firmware that allows setting the
+ * USB MFG descriptor, else 0. As of this writing, no CP210X firmware allows
+ * this. SiLabs has suggested this may change in future firmware versions or
+ * parts.
+ */
+static inline int cp210x_has_setmfg(void)
+{
+ return 0;
}
/*
- * cp2101_ctlmsg
+ * cp210x_ctlmsg
* A generic usb control message interface.
* Returns the actual size of the data read or written within the message, 0
* if no data were read or written, or a negative value to indicate an error.
*/
-static int cp2101_ctlmsg(struct usb_serial_port* port, u8 request,
- u8 requestype, u16 value, u16 index, void* data, u16 size)
+static int cp210x_ctlmsg(struct usb_serial_port *port, u8 request,
+ u8 requestype, u16 value, u16 index, void *data, u16 size)
{
struct usb_device *dev = port->serial->dev;
u8 *tbuf;
int ret;
- if (!(tbuf = kmalloc(size, GFP_KERNEL)))
+ tbuf = kmalloc(size, GFP_KERNEL);
+ if (!tbuf)
return -ENOMEM;
if (requestype & 0x80) {
ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request,
}
kfree(tbuf);
if (ret < 0 && ret != -EPIPE) {
- dev_printk(KERN_DEBUG, &dev->dev, "cp210x: control failed cmd rqt %u "
- "rq %u len %u ret %d\n", requestype, request, size, ret);
+ dev_printk(KERN_DEBUG, &dev->dev,
+ "cp210x: ctl failed cmd rqt %u rq %u len %u ret %d\n",
+ requestype, request, size, ret);
}
return ret;
}
-static int cp2101_reset(struct usb_serial_port *port)
+static int cp210x_reset(struct usb_serial_port *port)
{
dbg("%s", __FUNCTION__);
#if 1
- /* Is this better than usb_device_reset? It may be. Once a client issues
- * the reset ioctl, it must disconnect and reconnect, since the USB
- * connections are torn down. We also ignore the error return, since
- * the part resets and doesn't send one...
+ /* Is this better than usb_device_reset? It may be. Once a client
+ * issues the reset ioctl, it must disconnect and reconnect, since the
+ * USB connections are torn down. We also ignore the error return,
+ * since the part resets and doesn't send one...
*/
- cp2101_ctlmsg(port, 0xff, 0x40, 0x0008, 0x00, 0, 0);
+ cp210x_ctlmsg(port, 0xff, 0x40, 0x0008, 0x00, NULL, 0);
#else
usb_reset_device(port->serial->dev);
#endif
return 0;
}
-static int cp2101_get_partnum(struct usb_serial_port *port)
+static int cp210x_get_partnum(struct usb_serial_port *port)
{
- static u8 _partnum = 0;
- int ret = CP210x_SUCCESS;
- if (!_partnum) {
+ static u8 _partnum = CP210x_PART_UNKNOWN;
+
+ if (_partnum == CP210x_PART_UNKNOWN) {
u8 addr = port->serial->dev->actconfig->interface[0]->
cur_altsetting->endpoint[0].desc.bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK;
- if (addr == 0x03 || addr == 0x02) /* The part is a cp2101 */
- _partnum = 0x01;
+ if (addr == 0x03 || addr == 0x02)
+ _partnum = CP210x_PART_CP2101;
else if (addr == 0x01) {
/* Must query part to determine part number */
- if (cp2101_ctlmsg(port, 0xff, 0xc0, 0x370b, 0x00,
+ if (cp210x_ctlmsg(port, 0xff, 0xc0, 0x370b, 0x00,
&_partnum, 1) != 1)
- ret = CP210x_DEVICE_IO_FAILED;
- } else
- ret = CP210x_DEVICE_IO_FAILED;
+ _partnum = CP210x_PART_UNKNOWN;
+ }
}
- dbg("%s - partnum %u err %d", __FUNCTION__, _partnum, ret);
- return (ret == CP210x_SUCCESS) ? _partnum : 0;
+ dbg("%s - partnum %u", __FUNCTION__, _partnum);
+ return _partnum;
}
-inline int cp2101_setu16(struct usb_serial_port *port, int cmd,
+static inline int cp210x_setu16(struct usb_serial_port *port, int cmd,
unsigned int value)
{
- return cp2101_ctlmsg(port, 0xff, 0x40, 0x3700 | (cmd & 0xff),
- value, 0, 0);
-}
-
-/* Populates usbstr with: (len) + (0x03) + unicode(str). Each char in str
- * takes up two bytes in unicode format, so the resulting len(usbstr) is
- * 2 * len(str) + 2.
- * Returns the resulting length of the string in usbstr.
- * This function can accept overlapping usbstr and str as long as the overlap
- * does not cause data written to usbstr to overwrite data not yet read from
- * str.
- */
-static int make_usb_string(char* usbstr, size_t usblen, char* src,
- size_t srclen)
-{
- int len = 0;
-
- if (usbstr && usblen >= 2 && src && *src && srclen) {
- char* p;
-
- /* The usb string format uses first byte as length */
- if (usblen > 256)
- usblen = 256;
-
- p = usbstr + 1;
- *p++ = 0x03;
- len = 2;
- while (srclen && len < usblen) {
- *p++ = *src++;
- *p++ = 0;
- len += 2;
- srclen--;
- }
- *usbstr = (char)len;
- }
- return len;
+ return cp210x_ctlmsg(port, 0xff, 0x40, 0x3700 | (cmd & 0xff),
+ value, NULL, 0);
}
/*
- * cp2101_setstr
+ * cp210x_setstr
*
* Set a USB string descriptor using proprietary cp210x control messages.
* Return the number of characters actually written.
*/
-inline int cp2101_setstr(struct usb_serial_port *port, int cmd, char *usbstr)
+static int cp210x_setstr(struct usb_serial_port *port, int cmd, char *usbstr)
{
unsigned len = usbstr[0];
- int ret = cp2101_ctlmsg(port, 0xff, 0x40, 0x3700 | (cmd & 0xff), 0,
+ int ret = cp210x_ctlmsg(port, 0xff, 0x40, 0x3700 | (cmd & 0xff), 0,
usbstr, len);
dbg("%s - cmd 0x%02x len %d ret %d", __FUNCTION__, cmd, len, ret);
return ret;
}
/* Set all gpio simultaneously */
-static int cp2101_gpioset(struct usb_serial_port *port, u8 gpio)
+static int cp210x_gpioset(struct usb_serial_port *port, u8 gpio)
{
dbg("%s - port %d, gpio = 0x%.2x", __FUNCTION__, port->number, gpio);
- return cp2101_ctlmsg(port, 0xff, 0x40, 0x37e1,
- ((uint16_t)gpio << 8) | GPIO_MASK, 0, 0);
+ return cp210x_ctlmsg(port, 0xff, 0x40, 0x37e1,
+ ((uint16_t)gpio << 8) | GPIO_MASK, NULL, 0);
}
/* Set select gpio bits */
-static int cp2101_gpiosetb(struct usb_serial_port *port, u8 set, u8 clear)
+static int cp210x_gpiosetb(struct usb_serial_port *port, u8 set, u8 clear)
{
u16 gpio = 0;
dbg("%s - port %d, gpiob = 0x%.4x", __FUNCTION__, port->number, gpio);
/* FIXME: how about REQTYPE_HOST_TO_DEVICE instead of 0x40? */
- return cp2101_ctlmsg(port, 0xff, 0x40, 0x37e1, gpio, 0, 0);
+ return cp210x_ctlmsg(port, 0xff, 0x40, 0x37e1, gpio, NULL, 0);
}
-static int cp2101_gpioget(struct usb_serial_port *port, u8* gpio)
+static int cp210x_gpioget(struct usb_serial_port *port, u8 *gpio)
{
int ret;
dbg("%s - port %d", __FUNCTION__, port->number);
/* FIXME: how about REQTYPE_DEVICE_TO_HOST instead of 0xc0? */
- ret = cp2101_ctlmsg(port, 0xff, 0xc0, 0x00c2, 0, gpio, 1);
+ ret = cp210x_ctlmsg(port, 0xff, 0xc0, 0x00c2, 0, gpio, 1);
dbg("%s - gpio = 0x%.2x (%d)", __FUNCTION__, *gpio, ret);
return (ret == 1) ? 0 : -1;
}
-static int cp2101_portconfset(struct usb_serial_port *port,
- cp2101_port_config_t* config)
+static int cp210x_portconfset(struct usb_serial_port *port,
+ struct cp210x_port_config *config)
{
- cp2101_port_config_t lconfig;
+ struct cp210x_port_config lconfig;
int ret;
dbg("%s", __FUNCTION__);
memcpy(&lconfig, config, sizeof(lconfig));
- /* apparently not implemented yet */
- lconfig.suspend.lowPower = 0;
- lconfig.reset.lowPower = 0;
-
- /* Words from cp2103 are MSB */
+ /* Words from cp210x are MSB */
lconfig.reset.mode = cpu_to_be16(config->reset.mode);
- /* lconfig.reset.lowPower = cpu_to_be16(config->reset.lowPower); */
lconfig.reset.latch = cpu_to_be16(config->reset.latch);
lconfig.suspend.mode = cpu_to_be16(config->suspend.mode);
- /* lconfig.suspend.lowPower = cpu_to_be16(config->suspend.lowPower); */
lconfig.suspend.latch = cpu_to_be16(config->suspend.latch);
+#if 0 /* apparently not implemented by CP210X firmware */
+ lconfig.reset.lowPower = cpu_to_be16(config->reset.lowPower);
+ lconfig.suspend.lowPower = cpu_to_be16(config->suspend.lowPower);
+#else
+ lconfig.suspend.lowPower = 0;
+ lconfig.reset.lowPower = 0;
+#endif
- ret = cp2101_ctlmsg(port, 0xff, 0x40, 0x370c, 0, &lconfig,
- PORT_CONFIG_LEN);
- if (ret == PORT_CONFIG_LEN)
+ ret = cp210x_ctlmsg(port, 0xff, 0x40, 0x370c, 0, &lconfig,
+ sizeof(struct cp210x_port_config));
+ if (ret == sizeof(struct cp210x_port_config))
return 0;
else if (ret >= 0)
return -1;
return ret;
}
-static int cp2101_portconfget(struct usb_serial_port *port,
- cp2101_port_config_t* config)
+static int cp210x_portconfget(struct usb_serial_port *port,
+ struct cp210x_port_config *config)
{
int ret;
dbg("%s", __FUNCTION__);
- ret = cp2101_ctlmsg(port, 0xff, 0xc0, 0x370c, 0, config,
- PORT_CONFIG_LEN);
- if (ret == PORT_CONFIG_LEN) {
- /* Words from cp2103 are MSB */
+ ret = cp210x_ctlmsg(port, 0xff, 0xc0, 0x370c, 0, config,
+ sizeof(struct cp210x_port_config));
+ if (ret == sizeof(struct cp210x_port_config)) {
+ /* Words from cp210x are MSB */
config->reset.mode = be16_to_cpu(config->reset.mode);
config->reset.lowPower = be16_to_cpu(config->reset.lowPower);
config->reset.latch = be16_to_cpu(config->reset.latch);
}
/*
- * cp2101_get_config
- * Reads from the CP2101 configuration registers
+ * cp210x_get_config
+ * Reads from the CP210x 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,
+static int cp210x_get_config(struct usb_serial_port *port, u8 request,
unsigned int *data, int size)
{
struct usb_serial *serial = port->serial;
request++;
/* Issue the request, attempting to read 'size' bytes */
- result = usb_control_msg (serial->dev,usb_rcvctrlpipe (serial->dev, 0),
+ result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
request, REQTYPE_DEVICE_TO_HOST, 0x0000,
0, buf, size, 300);
/* Convert data into an array of integers */
- for (i=0; i<length; i++)
+ for (i = 0; i < length; i++)
data[i] = le32_to_cpu(buf[i]);
kfree(buf);
}
/*
- * cp2101_set_config
- * Writes to the CP2101 configuration registers
+ * cp210x_set_config
+ * Writes to the CP210x 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,
+static int cp210x_set_config(struct usb_serial_port *port, u8 request,
unsigned int *data, int size)
{
struct usb_serial *serial = port->serial;
buf[i] = cpu_to_le32(data[i]);
if (size > 2) {
- result = usb_control_msg (serial->dev,
+ 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,
+ result = usb_control_msg(serial->dev,
usb_sndctrlpipe(serial->dev, 0),
request, REQTYPE_HOST_TO_DEVICE, data[0],
0, NULL, 0, 300);
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
+ * cp210x_set_config_single
+ * Convenience function for calling cp210x_set_config on single data values
* without requiring an integer pointer
*/
-static inline int cp2101_set_config_single(struct usb_serial_port* port,
+static inline int cp210x_set_config_single(struct usb_serial_port *port,
u8 request, unsigned int data)
{
- return cp2101_set_config(port, request, &data, 2);
+ return cp210x_set_config(port, request, &data, 2);
}
-static int cp2101_open (struct usb_serial_port *port, struct file *filp)
+static int cp210x_open(struct usb_serial_port *port, struct file *filp)
{
struct usb_serial *serial = port->serial;
int result;
dbg("%s - port %d", __FUNCTION__, port->number);
- if (cp2101_set_config_single(port, CP2101_UART, UART_ENABLE)) {
+ if (cp210x_set_config_single(port, CP2101_UART, UART_ENABLE)) {
dev_err(&port->dev, "%s - Unable to enable UART\n",
__FUNCTION__);
return -EPROTO;
}
/* Start reading from the device */
- usb_fill_bulk_urb (port->read_urb, serial->dev,
+ usb_fill_bulk_urb(port->read_urb, serial->dev,
usb_rcvbulkpipe(serial->dev,
port->bulk_in_endpointAddress),
port->read_urb->transfer_buffer,
}
/* Configure the termios structure */
- cp2101_get_termios(port);
+ cp210x_get_termios(port);
/* Set the DTR and RTS pins low */
- cp2101_tiocmset(port, NULL, TIOCM_DTR | TIOCM_RTS, 0);
+ cp210x_tiocmset(port, NULL, TIOCM_DTR | TIOCM_RTS, 0);
return 0;
}
-static void cp2101_cleanup (struct usb_serial_port *port)
+static void cp210x_cleanup(struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
}
}
-static void cp2101_close (struct usb_serial_port *port, struct file * filp)
+static void cp210x_close(struct usb_serial_port *port, struct file *filp)
{
dbg("%s - port %d", __FUNCTION__, port->number);
usb_kill_urb(port->write_urb);
usb_kill_urb(port->read_urb);
- cp2101_set_config_single(port, CP2101_UART, UART_DISABLE);
+ cp210x_set_config_single(port, CP2101_UART, UART_DISABLE);
}
-static int cp2101_ioctl(struct usb_serial_port *port, struct file *file,
+static int cp210x_ioctl(struct usb_serial_port *port, struct file *file,
unsigned int cmd, unsigned long arg)
{
dbg("%s (%d) cmd = 0x%04x", __FUNCTION__, port->number, cmd);
switch (cmd) {
-
+
case TIOCMGET:
{
- int result = cp2101_tiocmget(port, file);
- if (copy_to_user(&arg, &result, sizeof(int)))
- return -EFAULT;
+ int result = cp210x_tiocmget(port, file);
+ if (copy_to_user((int __user *)&arg, &result, sizeof(int)))
+ return -EFAULT;
return 0;
}
break;
case TIOCMSET:
case TIOCMBIS:
-
case TIOCMBIC:
{
int val = 0;
- if (copy_from_user(&val, &arg, sizeof(int)))
+ if (copy_from_user(&val, (int __user *)&arg, sizeof(int)))
return -EFAULT;
/* this looks wrong: TIOCMSET isn't going to work right */
- if (cp2101_tiocmset(port, file, cmd==TIOCMBIC ? 0 : val,
- cmd==TIOCMBIC ? val : 0))
+ if (cp210x_tiocmset(port, file, (cmd == TIOCMBIC) ? 0 : val,
+ (cmd == TIOCMBIC) ? val : 0))
return -EFAULT;
return 0;
}
break;
- case IOCTL_GPIOGET:
- if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION) {
+ case CP210x_IOCTL_GPIOGET:
+ if (cp210x_get_partnum(port) == CP210x_PART_CP2103) {
u8 gpio = 0;
- if (!cp2101_gpioget(port, &gpio) && !copy_to_user((u8*)arg,
- &gpio, sizeof(gpio)))
+ if (!cp210x_gpioget(port, &gpio) && !copy_to_user(
+ (u8 __user *)arg, &gpio, sizeof(gpio)))
return 0;
}
return -EFAULT;
break;
- case IOCTL_GPIOSET:
- if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION &&
- !cp2101_gpioset(port, arg))
+ case CP210x_IOCTL_GPIOSET:
+ if (cp210x_get_partnum(port) == CP210x_PART_CP2103 &&
+ !cp210x_gpioset(port, arg))
return 0;
return -EFAULT;
break;
- case IOCTL_GPIOBIC:
- case IOCTL_GPIOBIS:
- if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION &&
- !cp2101_gpiosetb(port, (cmd==IOCTL_GPIOBIC) ? 0 : arg,
- (cmd==IOCTL_GPIOBIC) ? arg : 0))
+ case CP210x_IOCTL_GPIOBIC:
+ case CP210x_IOCTL_GPIOBIS:
+ if (cp210x_get_partnum(port) == CP210x_PART_CP2103 &&
+ !cp210x_gpiosetb(port,
+ (cmd == CP210x_IOCTL_GPIOBIC) ? 0 : arg,
+ (cmd == CP210x_IOCTL_GPIOBIC) ? arg : 0))
return 0;
return -EFAULT;
break;
- case IOCTL_DEVICERESET:
- return cp2101_reset(port);
+ case CP210x_IOCTL_DEVICERESET:
+ return cp210x_reset(port);
break;
- case IOCTL_PORTCONFGET:
+ case CP210x_IOCTL_PORTCONFGET:
{
- cp2101_port_config_t config;
- if (!cp2101_portconfget(port, &config) && !copy_to_user(
- (cp2101_port_config_t*)arg, &config,
- sizeof(config)))
+ struct cp210x_port_config config;
+ if (!cp210x_portconfget(port, &config) && !copy_to_user(
+ (struct cp210x_port_config __user *)arg,
+ &config, sizeof(config)))
return 0;
}
return -EFAULT;
break;
- case IOCTL_PORTCONFSET:
+ case CP210x_IOCTL_PORTCONFSET:
{
- cp2101_port_config_t config;
- if (!copy_from_user(&config, (cp2101_port_config_t*)arg,
+ struct cp210x_port_config config;
+ if (!copy_from_user(&config, (struct cp210x_port_config __user *)arg,
sizeof(config)) &&
- !cp2101_portconfset(port, &config))
+ !cp210x_portconfset(port, &config))
return 0;
return -EFAULT;
}
break;
- case IOCTL_SETVID:
+ case CP210x_IOCTL_SETVID:
{
unsigned int vid;
- if (!copy_from_user(&vid, (unsigned int *)arg,
+ if (!copy_from_user(&vid, (unsigned int __user *)arg,
sizeof(unsigned int)) &&
- !cp2101_setu16(port, 0x01, vid))
+ !cp210x_setu16(port, 0x01, vid))
return 0;
return -EFAULT;
}
break;
- case IOCTL_SETPID:
+ case CP210x_IOCTL_SETPID:
{
unsigned int pid;
- if (!copy_from_user(&pid, (unsigned int *)arg,
+ if (!copy_from_user(&pid, (unsigned int __user *)arg,
sizeof(unsigned int)) &&
- !cp2101_setu16(port, 0x02, pid))
+ !cp210x_setu16(port, 0x02, pid))
return 0;
return -EFAULT;
}
break;
- case IOCTL_SETMFG:
-#if 0 /* Silicon Labs apparently doesn't provide for setting of mfg desc */
- {
- char usbstr[CP210x_MAX_MFG_STRLEN * 2 + 2];
- size_t len = copy_buf_from_user(usbstr + sizeof(usbstr) -
- CP210x_MAX_MFG_STRLEN, arg,
- CP210x_MAX_MFG_STRLEN);
- len = make_usb_string(usbstr, sizeof(usbstr), str, len);
- if (len && cp2101_setstr(port, 0x00, usbstr) == len)
+ case CP210x_IOCTL_SETMFG:
+ if (cp210x_has_setmfg()) {
+ char usbstr[USBSTRLEN(CP210x_MAX_MFG_STRLEN)];
+ size_t len = cp210x_usbstr_from_user(usbstr, arg,
+ sizeof(usbstr));
+ if (len && cp210x_setstr(port, 0x00, usbstr) == len)
return 0;
- return -EFAULT;
}
-#endif
+ return -EFAULT;
break;
- case IOCTL_SETPRODUCT:
+ case CP210x_IOCTL_SETPRODUCT:
{
- char usbstr[CP210x_MAX_PRODUCT_STRLEN * 2 + 2];
- char* str = usbstr + sizeof(usbstr) - CP210x_MAX_PRODUCT_STRLEN;
- size_t len = copy_buf_from_user(str, arg,
- CP210x_MAX_PRODUCT_STRLEN);
- len = make_usb_string(usbstr, sizeof(usbstr), str, len);
- if (len && cp2101_setstr(port, 0x03, usbstr) == len)
+ char usbstr[USBSTRLEN(CP210x_MAX_PRODUCT_STRLEN)];
+ size_t len = cp210x_usbstr_from_user(usbstr, arg,
+ sizeof(usbstr));
+ if (len && cp210x_setstr(port, 0x03, usbstr) == len)
return 0;
return -EFAULT;
}
break;
- case IOCTL_SETSERIAL:
+ case CP210x_IOCTL_SETSERIAL:
{
- char usbstr[CP210x_MAX_SERIAL_STRLEN * 2 + 2];
- char* str = usbstr + sizeof(usbstr) - CP210x_MAX_SERIAL_STRLEN;
- size_t len = copy_buf_from_user(str, arg,
- CP210x_MAX_SERIAL_STRLEN);
- len = make_usb_string(usbstr, sizeof(usbstr), str, len);
- if (len && cp2101_setstr(port, 0x04, usbstr) == len)
+ char usbstr[USBSTRLEN(CP210x_MAX_SERIAL_STRLEN)];
+ size_t len = cp210x_usbstr_from_user(usbstr, arg,
+ sizeof(usbstr));
+ if (len && cp210x_setstr(port, 0x04, usbstr) == len)
return 0;
return -EFAULT;
}
break;
- case IOCTL_SETDEVVER:
+ case CP210x_IOCTL_SETDEVVER:
{
unsigned int ver;
- if (!copy_from_user(&ver, (unsigned int *)arg,
+ if (!copy_from_user(&ver, (unsigned int __user *)arg,
sizeof(unsigned int)) &&
- !cp2101_setu16(port, 0x07, ver))
+ !cp210x_setu16(port, 0x07, ver))
return 0;
return -EFAULT;
}
}
/*
- * cp2101_get_termios
+ * cp210x_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)
+static void cp210x_get_termios(struct usb_serial_port *port)
{
unsigned int cflag, modem_ctl[4];
int baud;
return;
}
- cp2101_get_config(port, CP2101_BAUDRATE, &baud, 2);
+ cp210x_get_config(port, CP2101_BAUDRATE, &baud, 2);
/* Convert to baudrate */
if (baud)
baud = BAUD_RATE_GEN_FREQ / baud;
tty_encode_baud_rate(port->tty, baud, baud);
cflag = port->tty->termios->c_cflag;
- cp2101_get_config(port, CP2101_BITS, &bits, 2);
+ cp210x_get_config(port, CP2101_BITS, &bits, 2);
cflag &= ~CSIZE;
switch(bits & BITS_DATA_MASK) {
case BITS_DATA_5:
cflag |= CS8;
bits &= ~BITS_DATA_MASK;
bits |= BITS_DATA_8;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ cp210x_set_config(port, CP2101_BITS, &bits, 2);
break;
default:
dbg("%s - Unknown number of data bits, "
cflag |= CS8;
bits &= ~BITS_DATA_MASK;
bits |= BITS_DATA_8;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ cp210x_set_config(port, CP2101_BITS, &bits, 2);
break;
}
"disabling parity)", __FUNCTION__);
cflag &= ~PARENB;
bits &= ~BITS_PARITY_MASK;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ cp210x_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, 2);
+ cp210x_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, 2);
+ cp210x_set_config(port, CP2101_BITS, &bits, 2);
break;
}
dbg("%s - stop bits = 1.5 (not supported, "
"using 1 stop bit)", __FUNCTION__);
bits &= ~BITS_STOP_MASK;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ cp210x_set_config(port, CP2101_BITS, &bits, 2);
break;
case BITS_STOP_2:
dbg("%s - stop bits = 2", __FUNCTION__);
dbg("%s - Unknown number of stop bits, "
"using 1 stop bit", __FUNCTION__);
bits &= ~BITS_STOP_MASK;
- cp2101_set_config(port, CP2101_BITS, &bits, 2);
+ cp210x_set_config(port, CP2101_BITS, &bits, 2);
break;
}
- cp2101_get_config(port, CP2101_MODEMCTL, modem_ctl, 16);
+ cp210x_get_config(port, CP2101_MODEMCTL, modem_ctl, 16);
if (modem_ctl[0] & 0x0008) {
dbg("%s - flow control = CRTSCTS", __FUNCTION__);
cflag |= CRTSCTS;
port->tty->termios->c_cflag = cflag;
}
-static void cp2101_set_termios (struct usb_serial_port *port,
+static void cp210x_set_termios(struct usb_serial_port *port,
struct ktermios *old_termios)
{
unsigned int cflag, old_cflag;
- int baud=0, bits;
+ int baud = 0, bits;
unsigned int modem_ctl[4];
dbg("%s - port %d", __FUNCTION__, port->number);
if (baud) {
dbg("%s - Setting baud rate to %d baud", __FUNCTION__,
baud);
- if (cp2101_set_config_single(port, CP2101_BAUDRATE,
+ if (cp210x_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 ((cflag & CSIZE) != (old_cflag & CSIZE)) {
- cp2101_get_config(port, CP2101_BITS, &bits, 2);
+ cp210x_get_config(port, CP2101_BITS, &bits, 2);
bits &= ~BITS_DATA_MASK;
switch (cflag & CSIZE) {
case CS5:
bits |= BITS_DATA_8;
break;
}
- if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
+ if (cp210x_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))) {
- cp2101_get_config(port, CP2101_BITS, &bits, 2);
+ cp210x_get_config(port, CP2101_BITS, &bits, 2);
bits &= ~BITS_PARITY_MASK;
if (cflag & PARENB) {
if (cflag & PARODD) {
dbg("%s - parity = EVEN", __FUNCTION__);
}
}
- if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
+ if (cp210x_set_config(port, CP2101_BITS, &bits, 2))
dev_err(&port->dev, "Parity mode not supported "
"by device\n");
}
if ((cflag & CSTOPB) != (old_cflag & CSTOPB)) {
- cp2101_get_config(port, CP2101_BITS, &bits, 2);
+ cp210x_get_config(port, CP2101_BITS, &bits, 2);
bits &= ~BITS_STOP_MASK;
if (cflag & CSTOPB) {
bits |= BITS_STOP_2;
bits |= BITS_STOP_1;
dbg("%s - stop bits = 1", __FUNCTION__);
}
- if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
+ if (cp210x_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);
+ cp210x_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]);
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);
+ cp210x_set_config(port, CP2101_MODEMCTL, modem_ctl, 16);
}
}
-static int cp2101_tiocmset (struct usb_serial_port *port, struct file *file,
+static int cp210x_tiocmset(struct usb_serial_port *port, struct file *file,
unsigned int set, unsigned int clear)
{
int control = 0;
dbg("%s - control = 0x%.4x", __FUNCTION__, control);
- return cp2101_set_config(port, CP2101_CONTROL, &control, 2);
+ return cp210x_set_config(port, CP2101_CONTROL, &control, 2);
}
-static int cp2101_tiocmget (struct usb_serial_port *port, struct file *file)
+static int cp210x_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);
+ cp210x_get_config(port, CP2101_CONTROL, &control, 1);
result = ((control & CONTROL_DTR) ? TIOCM_DTR : 0)
|((control & CONTROL_RTS) ? TIOCM_RTS : 0)
return result;
}
-static void cp2101_break_ctl (struct usb_serial_port *port, int break_state)
+static void cp210x_break_ctl(struct usb_serial_port *port, int break_state)
{
int state;
state = BREAK_ON;
dbg("%s - turning break %s", __FUNCTION__,
state==BREAK_OFF ? "off" : "on");
- cp2101_set_config(port, CP2101_BREAK, &state, 2);
+ cp210x_set_config(port, CP2101_BREAK, &state, 2);
}
-static int cp2101_startup (struct usb_serial *serial)
+static int cp210x_startup(struct usb_serial *serial)
{
/* CP2101 buffers behave strangely unless device is reset */
usb_reset_device(serial->dev);
return 0;
}
-static void cp2101_shutdown (struct usb_serial *serial)
+static void cp210x_shutdown(struct usb_serial *serial)
{
int i;
dbg("%s", __FUNCTION__);
/* Stop reads and writes on all ports */
- for (i=0; i < serial->num_ports; ++i) {
- cp2101_cleanup(serial->port[i]);
+ for (i = 0; i < serial->num_ports; ++i) {
+ cp210x_cleanup(serial->port[i]);
}
}
-static int __init cp2101_init (void)
+static int __init cp210x_init(void)
{
int retval;
- retval = usb_serial_register(&cp2101_device);
+ retval = usb_serial_register(&cp210x_device);
if (retval)
return retval; /* Failed to register */
- retval = usb_register(&cp2101_driver);
+ retval = usb_register(&cp210x_driver);
if (retval) {
/* Failed to register */
- usb_serial_deregister(&cp2101_device);
+ usb_serial_deregister(&cp210x_device);
return retval;
}
return 0;
}
-static void __exit cp2101_exit (void)
+static void __exit cp210x_exit(void)
{
- usb_deregister (&cp2101_driver);
- usb_serial_deregister (&cp2101_device);
+ usb_deregister(&cp210x_driver);
+ usb_serial_deregister(&cp210x_device);
}
-module_init(cp2101_init);
-module_exit(cp2101_exit);
+module_init(cp210x_init);
+module_exit(cp210x_exit);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_VERSION(DRIVER_VERSION);
projects / cp210x.git / blobdiff