* 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
- * (smckown@titaniummirror.com).
+ * rsmckown@gmail.com.
*
* Outstanding Issues:
* Buffers are not flushed when the port is opened.
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/usb.h>
-#include <linux/version.h>
#include <asm/uaccess.h>
-#include <linux/byteorder/generic.h>
-
-#ifndef KERNEL_VERSION
-#define KERNEL_VERSION(a,b,c) ((a)*65536 + (b)*256 + (c))
-#endif
-
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
-#ifdef LINUX26
-#undef LINUX26
-#endif
-#define LINUX26
-#endif
-
-#ifdef LINUX26
-
-#include <linux/moduleparam.h>
#include <linux/usb/serial.h>
-#define DEV_ERR(dev,format,arg...) dev_err(dev,format, ## arg)
-#define USB_KILL_URB usb_kill_urb
-
-#else /* !LINUX26 */
-
-#include <linux/config.h>
-#include "usb-serial.h"
-
-#ifdef CONFIG_USB_SERIAL_DEBUG
- static int debug = 1;
-#else
- static int debug;
-#endif
-
-#define DEV_ERR(dev,format,arg...) err(format, ## arg)
-#define USB_KILL_URB usb_unlink_urb
-
-#endif /* LINUX26 */
/*
* Version Information
- * RJM: updated to 0.11 for 2.6.15 and later kernels
*/
#define DRIVER_VERSION "v0.11rsm"
#define DRIVER_DESC "Silicon Labs CP2101/CP2102/CP2103 RS232 serial adaptor driver"
/*
* Function Prototypes
*/
-static int cp2101_open(struct usb_serial_port*, struct file*);
+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 termios*);
+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 *,
+ unsigned int, unsigned int);
static void cp2101_break_ctl(struct usb_serial_port*, int);
-static int cp2101_startup (struct usb_serial *);
+static int cp2101_startup (struct usb_serial *);
static void cp2101_shutdown(struct usb_serial*);
-static int cp2101_ioctl (struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg);
-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 int cp2101_ioctl(struct usb_serial_port *, struct file *,
+ unsigned int, unsigned long);
static int debug;
static struct usb_device_id id_table [] = {
+ { USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */
+ { USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
+ { USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
{ USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */
+ { 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, 0x800A) }, /* SPORTident BSM7-D-USB main station */
{ USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */
+ { USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */
+ { USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */
{ USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
{ USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */
{ USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */
+ { USB_DEVICE(0x10C4, 0x80DD) }, /* Tracient RFID */
{ 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, 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, 0x819F) }, /* MJS USB Toslink Switcher */
+ { USB_DEVICE(0x10C4, 0x81A6) }, /* ThinkOptics WavIt */
+ { USB_DEVICE(0x10C4, 0x81AC) }, /* MSD Dash Hawk */
{ 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, 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, 0x8341) }, /* Siemens MC35PU GPRS Modem */
+ { USB_DEVICE(0x10C4, 0x83A8) }, /* Amber Wireless AMB2560 */
+ { 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, 0xF001) }, /* Elan Digital Systems USBscope50 */
+ { USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */
+ { 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(0x13AD, 0x9999) }, /* Baltech card reader */
+ { 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 */
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE (usb, id_table);
-#ifdef LINUX26
static struct usb_driver cp2101_driver = {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
- .owner = THIS_MODULE,
-#endif
- .name = "CP2101",
+ .name = "cp2101",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = id_table,
+ .no_dynamic_id = 1,
};
-#define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_ , GFP_ATOMIC)
-#define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_ , GFP_KERNEL)
-
-#else /* LINUX26 */
-
-#define USB_SUBMIT_URB_ATOMIC(_x_) usb_submit_urb(_x_)
-#define USB_SUBMIT_URB_KERNEL(_x_) usb_submit_urb(_x_)
-#endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
static struct usb_serial_driver cp2101_device = {
.driver = {
.owner = THIS_MODULE,
.name = "cp2101",
},
-#else
-static struct usb_serial_device_type cp2101_device = {
- .owner = THIS_MODULE,
- .name = "CP2101/CP2102/CP2103 USB to UART Bridge",
-#endif
- .id_table = id_table,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+ .usb_driver = &cp2101_driver,
+ .id_table = id_table,
.num_interrupt_in = 0,
- .num_bulk_in = 0,
- .num_bulk_out = 0,
-#else
- .num_interrupt_in = NUM_DONT_CARE,
.num_bulk_in = NUM_DONT_CARE,
.num_bulk_out = NUM_DONT_CARE,
-#endif
- .num_ports = 1,
- .open = cp2101_open,
- .close = cp2101_close,
- .ioctl = cp2101_ioctl, /* GLA, Added backport */
- .break_ctl = cp2101_break_ctl,
- .set_termios = cp2101_set_termios,
-#ifdef LINUX26
- .tiocmget = cp2101_tiocmget,
- .tiocmset = cp2101_tiocmset,
- .attach = cp2101_startup,
-#else
- .startup = cp2101_startup,
-#endif
- .shutdown = cp2101_shutdown
+ .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,
};
/* Config request types */
#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)(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 ??? */
+#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 */
-#define UART_ENABLE 0x0001
-#define UART_DISABLE 0x0000
+#define UART_ENABLE 0x0001
+#define UART_DISABLE 0x0000
/* CP2101_BAUDRATE */
-#define BAUD_RATE_GEN_FREQ 0x384000
+#define BAUD_RATE_GEN_FREQ 0x384000
/* 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
-#define BITS_DATA_9 0x0900
-
-#define BITS_PARITY_MASK 0x00f0
-#define BITS_PARITY_NONE 0x0000
-#define BITS_PARITY_ODD 0x0010
-#define BITS_PARITY_EVEN 0x0020
-#define BITS_PARITY_MARK 0x0030
-#define BITS_PARITY_SPACE 0x0040
-
-#define BITS_STOP_MASK 0x000f
-#define BITS_STOP_1 0x0000
-#define BITS_STOP_1_5 0x0001
-#define BITS_STOP_2 0x0002
+#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
+#define BITS_DATA_9 0X0900
+
+#define BITS_PARITY_MASK 0x00f0
+#define BITS_PARITY_NONE 0x0000
+#define BITS_PARITY_ODD 0x0010
+#define BITS_PARITY_EVEN 0x0020
+#define BITS_PARITY_MARK 0x0030
+#define BITS_PARITY_SPACE 0x0040
+
+#define BITS_STOP_MASK 0x000f
+#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
+#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
+#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
/* CP2103 ioctls */
#define IOCTL_GPIOGET 0x8000 /* Get gpio bits */
/* 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)
+#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
-
+#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
+#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
+#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 {
/* 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 */
+ 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_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 */
-
/*
* 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.
*/
-size_t copy_buf_from_user(char* kbuf, unsigned long ubuf, size_t klen)
+size_t copy_buf_from_user(char *kbuf, unsigned long ubuf, size_t klen)
{
- cp2101_buffer_t t;
+ cp2101_buffer_t t;
- if (!kbuf || !ubuf || !klen || copy_from_user(&t, (cp2101_buffer_t *)ubuf,
- sizeof(t)))
+ if (!kbuf || !ubuf || !klen ||
+ copy_from_user(&t, (cp2101_buffer_t *)ubuf, sizeof(t)))
return 0;
if (t.len < klen)
klen = t.len;
return klen;
}
-/*
- * 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;
- 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 */
- request++;
-
- /* 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,
- size,
- 300);
-
- /* Convert data into an array of integers */
- for (i=0; i<length; i++) data[i] = le32_to_cpu(buf[i]);
-
- kfree(buf);
-
- 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 0;
-}
-
-/*
- * 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;
- 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);
- 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);
- }
-
- 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);
-}
-
/*
* cp2101_ctlmsg
* A generic usb control message interface.
#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...
+ * 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);
#else
static u8 _partnum = 0;
int ret = CP210x_SUCCESS;
if (!_partnum) {
- u8 addr = port->serial->dev->actconfig->interface[0]->cur_altsetting->
- endpoint[0].desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+ 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;
- else if (addr == 0x01) /* Must query part to determine part number */
- ret = (cp2101_ctlmsg(port, 0xff, 0xc0, 0x370b, 0x00, &_partnum, 1)
- == 1) ? CP210x_SUCCESS : CP210x_DEVICE_IO_FAILED;
- else
+ else if (addr == 0x01) {
+ /* Must query part to determine part number */
+ if (cp2101_ctlmsg(port, 0xff, 0xc0, 0x370b, 0x00,
+ &_partnum, 1) != 1)
+ ret = CP210x_DEVICE_IO_FAILED;
+ } else
ret = CP210x_DEVICE_IO_FAILED;
}
dbg("%s - partnum %u err %d", __FUNCTION__, _partnum, ret);
if (usbstr && usblen >= 2 && src && *src && srclen) {
char* p;
- /* The usb string format uses a single byte to represent length */
+ /* The usb string format uses first byte as length */
if (usblen > 256)
usblen = 256;
inline int cp2101_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, usbstr,
- len);
+ int ret = cp2101_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)
+{
+ 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);
+}
+
+/* Set select gpio bits */
+static int cp2101_gpiosetb(struct usb_serial_port *port, u8 set, u8 clear)
+{
+ u16 gpio = 0;
+
+ /* The bitmask is in the LSB, the values in the MSB */
+ if (set & GPIO_0)
+ gpio |= (GPIO_0 << 8)|GPIO_0;
+ if (set & GPIO_1)
+ gpio |= (GPIO_1 << 8)|GPIO_1;
+ if (set & GPIO_2)
+ gpio |= (GPIO_2 << 8)|GPIO_2;
+ if (set & GPIO_3)
+ gpio |= (GPIO_3 << 8)|GPIO_3;
+ if (clear & GPIO_0)
+ gpio = (gpio & ~(GPIO_0 << 8))|GPIO_0;
+ if (clear & GPIO_1)
+ gpio = (gpio & ~(GPIO_1 << 8))|GPIO_1;
+ if (clear & GPIO_2)
+ gpio = (gpio & ~(GPIO_2 << 8))|GPIO_2;
+ if (clear & GPIO_3)
+ gpio = (gpio & ~(GPIO_3 << 8))|GPIO_3;
+
+ 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);
+}
+
+static int cp2101_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);
+
+ 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)
+{
+ cp2101_port_config_t 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 */
+ 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);
+
+ ret = cp2101_ctlmsg(port, 0xff, 0x40, 0x370c, 0, &lconfig,
+ PORT_CONFIG_LEN);
+ if (ret == PORT_CONFIG_LEN)
+ return 0;
+ else if (ret >= 0)
+ return -1;
+ else
+ return ret;
+}
+
+static int cp2101_portconfget(struct usb_serial_port *port,
+ cp2101_port_config_t* 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 */
+ 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);
+ config->suspend.mode = be16_to_cpu(config->suspend.mode);
+ config->suspend.lowPower =
+ be16_to_cpu(config->suspend.lowPower);
+ config->suspend.latch = be16_to_cpu(config->suspend.latch);
+
+ /* apparently not implemented yet */
+ config->reset.lowPower = 0;
+ config->suspend.lowPower = 0;
+
+ return 0;
+ } else if (ret >= 0)
+ return -1;
+ else
+ return ret;
+
+}
+
+/*
+ * 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;
+ __le32 *buf;
+ int result, i, length;
+
+ /* Number of integers required to contain the array */
+ length = (((size - 1) | 3) + 1)/4;
+
+ buf = kcalloc(length, sizeof(__le32), GFP_KERNEL);
+ if (!buf) {
+ dev_err(&port->dev, "%s - out of memory.\n", __FUNCTION__);
+ return -ENOMEM;
+ }
+
+ /* For get requests, the request number must be incremented */
+ request++;
+
+ /* 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, size, 300);
+
+ /* Convert data into an array of integers */
+ for (i=0; i<length; i++)
+ data[i] = le32_to_cpu(buf[i]);
+
+ kfree(buf);
+
+ 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 0;
+}
+
+/*
+ * 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;
+ __le32 *buf;
+ int result, i, length;
+
+ /* Number of integers required to contain the array */
+ length = (((size - 1) | 3) + 1)/4;
+
+ buf = kmalloc(length * sizeof(__le32), 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);
+ }
+
+ 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;
dbg("%s - port %d", __FUNCTION__, port->number);
if (cp2101_set_config_single(port, CP2101_UART, UART_ENABLE)) {
- DEV_ERR(&port->dev, "%s - Unable to enable UART\n",
+ dev_err(&port->dev, "%s - Unable to enable UART\n",
__FUNCTION__);
return -EPROTO;
}
port->read_urb->transfer_buffer_length,
serial->type->read_bulk_callback,
port);
- result = USB_SUBMIT_URB_KERNEL(port->read_urb);
+ result = usb_submit_urb(port->read_urb, GFP_KERNEL);
if (result) {
- DEV_ERR(&port->dev, "%s - failed resubmitting read urb, "
+ dev_err(&port->dev, "%s - failed resubmitting read urb, "
"error %d\n", __FUNCTION__, result);
return result;
}
dbg("%s - port %d", __FUNCTION__, port->number);
- if (serial != NULL && serial->dev) {
+ if (serial->dev) {
/* shutdown any bulk reads that might be going on */
if (serial->num_bulk_out)
- USB_KILL_URB(port->write_urb);
+ usb_kill_urb(port->write_urb);
if (serial->num_bulk_in)
- USB_KILL_URB(port->read_urb);
+ usb_kill_urb(port->read_urb);
}
-
-#ifdef LINUX26
- kfree (usb_get_serial_port_data(port));
- usb_set_serial_port_data(port, NULL);
-#else
- /*TODOGLA: port.private maybe?
- Nobody is using that at the moement in this driver*/
-#endif
-
}
static void cp2101_close (struct usb_serial_port *port, struct file * filp)
/* shutdown our urbs */
dbg("%s - shutting down urbs", __FUNCTION__);
- USB_KILL_URB(port->write_urb);
- USB_KILL_URB(port->read_urb);
+ usb_kill_urb(port->write_urb);
+ usb_kill_urb(port->read_urb);
cp2101_set_config_single(port, CP2101_UART, UART_DISABLE);
}
+static int cp2101_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;
+ return 0;
+ }
+ break;
+
+ case TIOCMSET:
+ case TIOCMBIS:
+
+ case TIOCMBIC:
+ {
+ int val = 0;
+
+ if (copy_from_user(&val, &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))
+ return -EFAULT;
+ return 0;
+ }
+ break;
+
+ case IOCTL_GPIOGET:
+ if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION) {
+ u8 gpio = 0;
+ if (!cp2101_gpioget(port, &gpio) && !copy_to_user((u8*)arg,
+ &gpio, sizeof(gpio)))
+ return 0;
+ }
+ return -EFAULT;
+ break;
+
+ case IOCTL_GPIOSET:
+ if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION &&
+ !cp2101_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))
+ return 0;
+ return -EFAULT;
+ break;
+
+ case IOCTL_DEVICERESET:
+ return cp2101_reset(port);
+ break;
+
+ case IOCTL_PORTCONFGET:
+ {
+ cp2101_port_config_t config;
+ if (!cp2101_portconfget(port, &config) && !copy_to_user(
+ (cp2101_port_config_t*)arg, &config,
+ sizeof(config)))
+ return 0;
+ }
+ return -EFAULT;
+ break;
+
+ case IOCTL_PORTCONFSET:
+ {
+ cp2101_port_config_t config;
+ if (!copy_from_user(&config, (cp2101_port_config_t*)arg,
+ sizeof(config)) &&
+ !cp2101_portconfset(port, &config))
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ case IOCTL_SETVID:
+ {
+ unsigned int vid;
+ if (!copy_from_user(&vid, (unsigned int *)arg,
+ sizeof(unsigned int)) &&
+ !cp2101_setu16(port, 0x01, vid))
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ case IOCTL_SETPID:
+ {
+ unsigned int pid;
+ if (!copy_from_user(&pid, (unsigned int *)arg,
+ sizeof(unsigned int)) &&
+ !cp2101_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)
+ return 0;
+ return -EFAULT;
+ }
+#endif
+ break;
+
+ case 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)
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ case 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)
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ case IOCTL_SETDEVVER:
+ {
+ unsigned int ver;
+ if (!copy_from_user(&ver, (unsigned int *)arg,
+ sizeof(unsigned int)) &&
+ !cp2101_setu16(port, 0x07, ver))
+ return 0;
+ return -EFAULT;
+ }
+ break;
+
+ default:
+ dbg("%s not supported = 0x%04x", __FUNCTION__, cmd);
+ break;
+ }
+
+ return -ENOIOCTLCMD;
+}
+
/*
* cp2101_get_termios
* Reads the baud rate, data bits, parity, stop bits and flow control mode
dbg("%s - port %d", __FUNCTION__, port->number);
- if ((!port->tty) || (!port->tty->termios)) {
+ if (!port->tty || !port->tty->termios) {
dbg("%s - no tty structures", __FUNCTION__);
return;
}
- cflag = port->tty->termios->c_cflag;
cp2101_get_config(port, CP2101_BAUDRATE, &baud, 2);
/* Convert to baudrate */
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
- * appear to be supported by the device
- * but are non-standard
- */
- case 600: cflag |= B600; break;
- case 1200: cflag |= B1200; break;
- case 1800: cflag |= B1800; break;
- case 2400: cflag |= B2400; break;
- case 4800: cflag |= B4800; break;
- /*case 7200: cflag |= B7200; break;*/
- case 9600: cflag |= B9600; break;
- /*case 14400: cflag |= B14400; break;*/
- case 19200: cflag |= B19200; break;
- /*case 28800: cflag |= B28800; break;*/
- case 38400: cflag |= B38400; break;
- /*case 55854: cflag |= B55054; break;*/
- case 57600: cflag |= B57600; break;
- case 115200: cflag |= B115200; break;
- /*case 127117: cflag |= B127117; break;*/
- case 230400: cflag |= B230400; break;
- case 460800: cflag |= B460800; break;
- case 921600: cflag |= B921600; break;
- /*case 3686400: cflag |= B3686400; break;*/
- default:
- dbg("%s - Baud rate is not supported, "
- "using 9600 baud", __FUNCTION__);
- cflag |= B9600;
- cp2101_set_config_single(port, CP2101_BAUDRATE,
- (BAUD_RATE_GEN_FREQ/9600));
- break;
- }
+
+ tty_encode_baud_rate(port->tty, baud, baud);
+ cflag = port->tty->termios->c_cflag;
cp2101_get_config(port, CP2101_BITS, &bits, 2);
cflag &= ~CSIZE;
}
static void cp2101_set_termios (struct usb_serial_port *port,
- struct termios *old_termios)
+ struct ktermios *old_termios)
{
- unsigned int cflag, old_cflag=0;
+ unsigned int cflag, old_cflag;
int baud=0, bits;
unsigned int modem_ctl[4];
dbg("%s - port %d", __FUNCTION__, port->number);
- if ((!port->tty) || (!port->tty->termios)) {
+ if (!port->tty || !port->tty->termios) {
dbg("%s - no tty structures", __FUNCTION__);
return;
}
- cflag = port->tty->termios->c_cflag;
-
- /* 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)
- == RELEVANT_IFLAG(old_termios->c_iflag))) {
- dbg("%s - nothing to change...", __FUNCTION__);
- return;
- }
+ port->tty->termios->c_cflag &= ~CMSPAR;
- old_cflag = old_termios->c_cflag;
- }
+ cflag = port->tty->termios->c_cflag;
+ old_cflag = old_termios->c_cflag;
+ baud = tty_get_baud_rate(port->tty);
/* 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
- * appear to be supported by the device
- * but are non-standard
- */
- case B0: baud = 0; break;
- case B600: baud = 600; break;
- case B1200: baud = 1200; break;
- case B1800: baud = 1800; break;
- case B2400: baud = 2400; break;
- case B4800: baud = 4800; break;
- /*case B7200: baud = 7200; break;*/
- case B9600: baud = 9600; break;
- /*ase B14400: baud = 14400; break;*/
- case B19200: baud = 19200; break;
- /*case B28800: baud = 28800; break;*/
- case B38400: baud = 38400; break;
- /*case B55854: baud = 55054; break;*/
- case B57600: baud = 57600; break;
- case B115200: baud = 115200; break;
- /*case B127117: baud = 127117; break;*/
- case B230400: baud = 230400; break;
- case B460800: baud = 460800; break;
- case B921600: baud = 921600; break;
- /*case B3686400: baud = 3686400; break;*/
+ if (baud != tty_termios_baud_rate(old_termios)) {
+ switch (baud) {
+ case 0:
+ case 600:
+ case 1200:
+ case 1800:
+ case 2400:
+ case 4800:
+ case 7200:
+ case 9600:
+ case 14400:
+ case 19200:
+ case 28800:
+ case 38400:
+ case 55854:
+ case 57600:
+ case 115200:
+ case 127117:
+ case 230400:
+ case 460800:
+ case 921600:
+ case 3686400:
+ break;
default:
- DEV_ERR(&port->dev, "cp2101 driver does not "
- "support the baudrate requested\n");
+ baud = 9600;
break;
}
dbg("%s - Setting baud rate to %d baud", __FUNCTION__,
baud);
if (cp2101_set_config_single(port, CP2101_BAUDRATE,
- (BAUD_RATE_GEN_FREQ / baud)))
- DEV_ERR(&port->dev, "Baud rate requested not "
+ (BAUD_RATE_GEN_FREQ / baud))) {
+ dev_err(&port->dev, "Baud rate requested not "
"supported by device\n");
+ baud = tty_termios_baud_rate(old_termios);
+ }
}
}
+ /* Report back the resulting baud rate */
+ tty_encode_baud_rate(port->tty, baud, baud);
/* If the number of data bits is to be updated */
if ((cflag & CSIZE) != (old_cflag & CSIZE)) {
dbg("%s - data bits = 9", __FUNCTION__);
break;*/
default:
- DEV_ERR(&port->dev, "cp2101 driver does not "
+ dev_err(&port->dev, "cp2101 driver does not "
"support the number of bits requested,"
" using 8 bit mode\n");
bits |= BITS_DATA_8;
break;
}
if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
- DEV_ERR(&port->dev,"Number of data bits requested "
+ dev_err(&port->dev, "Number of data bits requested "
"not supported by device\n");
}
}
}
if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
- DEV_ERR(&port->dev,"Parity mode not supported "
+ dev_err(&port->dev, "Parity mode not supported "
"by device\n");
}
dbg("%s - stop bits = 1", __FUNCTION__);
}
if (cp2101_set_config(port, CP2101_BITS, &bits, 2))
- DEV_ERR(&port->dev,"Number of stop bits requested "
+ dev_err(&port->dev, "Number of stop bits requested "
"not supported by device\n");
}
cp2101_set_config(port, CP2101_BREAK, &state, 2);
}
-/* Set all gpio simultaneously */
-static int cp2101_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);
-}
-
-/* Set select gpio bits */
-static int cp2101_gpiosetb(struct usb_serial_port *port, u8 set, u8 clear)
-{
- u16 gpio = 0;
-
- /* The bitmask is in the LSB, the values in the MSB */
- if (set & GPIO_0)
- gpio |= (GPIO_0 << 8)|GPIO_0;
- if (set & GPIO_1)
- gpio |= (GPIO_1 << 8)|GPIO_1;
- if (set & GPIO_2)
- gpio |= (GPIO_2 << 8)|GPIO_2;
- if (set & GPIO_3)
- gpio |= (GPIO_3 << 8)|GPIO_3;
- if (clear & GPIO_0)
- gpio = (gpio & ~(GPIO_0 << 8))|GPIO_0;
- if (clear & GPIO_1)
- gpio = (gpio & ~(GPIO_1 << 8))|GPIO_1;
- if (clear & GPIO_2)
- gpio = (gpio & ~(GPIO_2 << 8))|GPIO_2;
- if (clear & GPIO_3)
- gpio = (gpio & ~(GPIO_3 << 8))|GPIO_3;
-
- 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);
-}
-
-static int cp2101_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);
-
- 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)
-{
- cp2101_port_config_t 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 */
- 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);
-
- ret = cp2101_ctlmsg(port, 0xff, 0x40, 0x370c, 0, &lconfig, PORT_CONFIG_LEN);
- if (ret == PORT_CONFIG_LEN)
- return 0;
- else if (ret >= 0)
- return -1;
- else
- return ret;
-}
-
-static int cp2101_portconfget(struct usb_serial_port *port,
- cp2101_port_config_t* 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 */
- 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);
- config->suspend.mode = be16_to_cpu(config->suspend.mode);
- config->suspend.lowPower = be16_to_cpu(config->suspend.lowPower);
- config->suspend.latch = be16_to_cpu(config->suspend.latch);
-
- /* apparently not implemented yet */
- config->reset.lowPower = 0;
- config->suspend.lowPower = 0;
-
- return 0;
- } else if (ret >= 0)
- return -1;
- else
- return ret;
-
-}
-
-static int cp2101_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) {
-
-#ifndef LINUX26
- case TIOCMGET:
- {
- int result = cp2101_tiocmget(port, file);
- if (copy_to_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)))
- 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))
- return -EFAULT;
- return 0;
- }
- break;
-#endif
-
- case IOCTL_GPIOGET:
- if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION) {
- u8 gpio = 0;
- if (!cp2101_gpioget(port, &gpio) &&
- !copy_to_user((u8*)arg, &gpio, sizeof(gpio)))
- return 0;
- }
- return -EFAULT;
- break;
-
- case IOCTL_GPIOSET:
- if (cp2101_get_partnum(port) == CP210x_CP2103_VERSION &&
- !cp2101_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))
- return 0;
- return -EFAULT;
- break;
-
- case IOCTL_DEVICERESET:
- return cp2101_reset(port);
- break;
-
- case IOCTL_PORTCONFGET:
- {
- cp2101_port_config_t config;
- if (!cp2101_portconfget(port, &config) &&
- !copy_to_user((cp2101_port_config_t*)arg, &config,
- sizeof(config)))
- return 0;
- }
- return -EFAULT;
- break;
-
- case IOCTL_PORTCONFSET:
- {
- cp2101_port_config_t config;
- if (!copy_from_user(&config, (cp2101_port_config_t*)arg,
- sizeof(config)) &&
- !cp2101_portconfset(port, &config))
- return 0;
- return -EFAULT;
- }
- break;
-
- case IOCTL_SETVID:
- {
- unsigned int vid;
- if (!copy_from_user(&vid, (unsigned int *)arg,
- sizeof(unsigned int)) &&
- !cp2101_setu16(port, 0x01, vid))
- return 0;
- return -EFAULT;
- }
- break;
-
- case IOCTL_SETPID:
- {
- unsigned int pid;
- if (!copy_from_user(&pid, (unsigned int *)arg,
- sizeof(unsigned int)) &&
- !cp2101_setu16(port, 0x02, pid))
- return 0;
- return -EFAULT;
- }
- break;
-
- case IOCTL_SETMFG:
-#if 0 /* Don't know how to set manufacturer desc yet */
- {
- 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)
- return 0;
- return -EFAULT;
- }
-#endif
- break;
-
- case 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)
- return 0;
- return -EFAULT;
- }
- break;
-
- case 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)
- return 0;
- return -EFAULT;
- }
- break;
-
- case IOCTL_SETDEVVER:
- {
- unsigned int ver;
- if (!copy_from_user(&ver, (unsigned int *)arg,
- sizeof(unsigned int)) &&
- !cp2101_setu16(port, 0x07, ver))
- return 0;
- return -EFAULT;
- }
- break;
-
- default:
- dbg("%s not supported = 0x%04x", __FUNCTION__, cmd);
- break;
- }
-
- return -ENOIOCTLCMD;
-}
-
static int cp2101_startup (struct usb_serial *serial)
{
/* CP2101 buffers behave strangely unless device is reset */
/* Stop reads and writes on all ports */
for (i=0; i < serial->num_ports; ++i) {
-#ifdef LINUX26
cp2101_cleanup(serial->port[i]);
-#else
- cp2101_cleanup(&serial->port[i]);
-#endif
}
}
if (retval)
return retval; /* Failed to register */
-#ifdef LINUX26
- retval = usb_register(&cp2101_driver);
+ retval = usb_register(&cp2101_driver);
if (retval) {
/* Failed to register */
usb_serial_deregister(&cp2101_device);
return retval;
}
-#endif
+
/* Success */
info(DRIVER_DESC " " DRIVER_VERSION);
return 0;
static void __exit cp2101_exit (void)
{
-#ifdef LINUX26
usb_deregister (&cp2101_driver);
-#endif
usb_serial_deregister (&cp2101_device);
}
module_exit(cp2101_exit);
MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_VERSION(DRIVER_VERSION);
MODULE_LICENSE("GPL");
-#ifdef LINUX26
-MODULE_VERSION(DRIVER_VERSION);
module_param(debug, bool, S_IRUGO | S_IWUSR);
-#else
-MODULE_PARM(debug, "i");
-#endif
MODULE_PARM_DESC(debug, "Enable verbose debugging messages");
-
-/*
-vi:ts=4
-*/
-
projects / cp210x.git / blobdiff