diff options
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/usb/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/usb/serial/airprime.c | 353 | ||||
| -rw-r--r-- | drivers/usb/serial/cp2101.c | 13 | ||||
| -rw-r--r-- | drivers/usb/serial/digi_acceleport.c | 3 | ||||
| -rw-r--r-- | drivers/usb/serial/io_ti.c | 1860 | ||||
| -rw-r--r-- | drivers/usb/serial/ipaq.c | 3 | ||||
| -rw-r--r-- | drivers/usb/serial/ir-usb.c | 490 | ||||
| -rw-r--r-- | drivers/usb/serial/keyspan.h | 5 | ||||
| -rw-r--r-- | drivers/usb/serial/keyspan_pda.c | 2 | ||||
| -rw-r--r-- | drivers/usb/serial/kl5kusb105.c | 2 | ||||
| -rw-r--r-- | drivers/usb/serial/option.c | 2 | ||||
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 13 | ||||
| -rw-r--r-- | drivers/usb/serial/usb_debug.c | 9 |
14 files changed, 1155 insertions, 1609 deletions
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index 9a7681b55266..8878c1767fc8 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -64,14 +64,6 @@ config USB_SERIAL_AIRCABLE To compile this driver as a module, choose M here: the module will be called aircable. -config USB_SERIAL_AIRPRIME - tristate "USB AirPrime CDMA Wireless Driver" - help - Say Y here if you want to use a AirPrime CDMA Wireless PC card. - - To compile this driver as a module, choose M here: the - module will be called airprime. - config USB_SERIAL_ARK3116 tristate "USB ARK Micro 3116 USB Serial Driver" help diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index 17a762ab6769..6047f818adfe 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -12,7 +12,6 @@ usbserial-obj-$(CONFIG_USB_EZUSB) += ezusb.o usbserial-objs := usb-serial.o generic.o bus.o $(usbserial-obj-y) obj-$(CONFIG_USB_SERIAL_AIRCABLE) += aircable.o -obj-$(CONFIG_USB_SERIAL_AIRPRIME) += airprime.o obj-$(CONFIG_USB_SERIAL_ARK3116) += ark3116.o obj-$(CONFIG_USB_SERIAL_BELKIN) += belkin_sa.o obj-$(CONFIG_USB_SERIAL_CH341) += ch341.o diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c deleted file mode 100644 index 0798c14ce787..000000000000 --- a/drivers/usb/serial/airprime.c +++ /dev/null @@ -1,353 +0,0 @@ -/* - * AirPrime CDMA Wireless Serial USB driver - * - * Copyright (C) 2005-2006 Greg Kroah-Hartman <gregkh@suse.de> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/tty.h> -#include <linux/tty_flip.h> -#include <linux/module.h> -#include <linux/usb.h> -#include <linux/usb/serial.h> - -static struct usb_device_id id_table [] = { - { USB_DEVICE(0x0c88, 0x17da) }, /* Kyocera Wireless KPC650/Passport */ - { }, -}; -MODULE_DEVICE_TABLE(usb, id_table); - -#define URB_TRANSFER_BUFFER_SIZE 4096 -#define NUM_READ_URBS 4 -#define NUM_WRITE_URBS 4 -#define NUM_BULK_EPS 3 -#define MAX_BULK_EPS 6 - -/* if overridden by the user, then use their value for the size of the - * read and write urbs, and the number of endpoints */ -static int buffer_size = URB_TRANSFER_BUFFER_SIZE; -static int endpoints = NUM_BULK_EPS; -static int debug; -struct airprime_private { - spinlock_t lock; - int outstanding_urbs; - int throttled; - struct urb *read_urbp[NUM_READ_URBS]; - - /* Settings for the port */ - int rts_state; /* Handshaking pins (outputs) */ - int dtr_state; - int cts_state; /* Handshaking pins (inputs) */ - int dsr_state; - int dcd_state; - int ri_state; -}; - -static int airprime_send_setup(struct usb_serial_port *port) -{ - struct usb_serial *serial = port->serial; - struct airprime_private *priv; - - dbg("%s", __func__); - - if (port->number != 0) - return 0; - - priv = usb_get_serial_port_data(port); - - if (port->tty) { - int val = 0; - if (priv->dtr_state) - val |= 0x01; - if (priv->rts_state) - val |= 0x02; - - return usb_control_msg(serial->dev, - usb_rcvctrlpipe(serial->dev, 0), - 0x22, 0x21, val, 0, NULL, 0, - USB_CTRL_SET_TIMEOUT); - } - - return 0; -} - -static void airprime_read_bulk_callback(struct urb *urb) -{ - struct usb_serial_port *port = urb->context; - unsigned char *data = urb->transfer_buffer; - struct tty_struct *tty; - int result; - int status = urb->status; - - dbg("%s - port %d", __func__, port->number); - - if (status) { - dbg("%s - nonzero read bulk status received: %d", - __func__, status); - return; - } - usb_serial_debug_data(debug, &port->dev, __func__, - urb->actual_length, data); - - tty = port->tty; - if (tty && urb->actual_length) { - tty_insert_flip_string(tty, data, urb->actual_length); - tty_flip_buffer_push(tty); - } - - result = usb_submit_urb(urb, GFP_ATOMIC); - if (result) - dev_err(&port->dev, - "%s - failed resubmitting read urb, error %d\n", - __func__, result); - return; -} - -static void airprime_write_bulk_callback(struct urb *urb) -{ - struct usb_serial_port *port = urb->context; - struct airprime_private *priv = usb_get_serial_port_data(port); - int status = urb->status; - unsigned long flags; - - dbg("%s - port %d", __func__, port->number); - - /* free up the transfer buffer, as usb_free_urb() does not do this */ - kfree(urb->transfer_buffer); - - if (status) - dbg("%s - nonzero write bulk status received: %d", - __func__, status); - spin_lock_irqsave(&priv->lock, flags); - --priv->outstanding_urbs; - spin_unlock_irqrestore(&priv->lock, flags); - - usb_serial_port_softint(port); -} - -static int airprime_open(struct usb_serial_port *port, struct file *filp) -{ - struct airprime_private *priv = usb_get_serial_port_data(port); - struct usb_serial *serial = port->serial; - struct urb *urb; - char *buffer = NULL; - int i; - int result = 0; - - dbg("%s - port %d", __func__, port->number); - - /* initialize our private data structure if it isn't already created */ - if (!priv) { - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) { - result = -ENOMEM; - goto out; - } - spin_lock_init(&priv->lock); - usb_set_serial_port_data(port, priv); - } - - /* Set some sane defaults */ - priv->rts_state = 1; - priv->dtr_state = 1; - - for (i = 0; i < NUM_READ_URBS; ++i) { - buffer = kmalloc(buffer_size, GFP_KERNEL); - if (!buffer) { - dev_err(&port->dev, "%s - out of memory.\n", - __func__); - result = -ENOMEM; - goto errout; - } - urb = usb_alloc_urb(0, GFP_KERNEL); - if (!urb) { - kfree(buffer); - dev_err(&port->dev, "%s - no more urbs?\n", - __func__); - result = -ENOMEM; - goto errout; - } - usb_fill_bulk_urb(urb, serial->dev, - usb_rcvbulkpipe(serial->dev, - port->bulk_out_endpointAddress), - buffer, buffer_size, - airprime_read_bulk_callback, port); - result = usb_submit_urb(urb, GFP_KERNEL); - if (result) { - usb_free_urb(urb); - kfree(buffer); - dev_err(&port->dev, - "%s - failed submitting read urb %d for port %d, error %d\n", - __func__, i, port->number, result); - goto errout; - } - /* remember this urb so we can kill it when the - port is closed */ - priv->read_urbp[i] = urb; - } - - airprime_send_setup(port); - - goto out; - - errout: - /* some error happened, cancel any submitted urbs and clean up - anything that got allocated successfully */ - - while (i-- != 0) { - urb = priv->read_urbp[i]; - buffer = urb->transfer_buffer; - usb_kill_urb(urb); - usb_free_urb(urb); - kfree(buffer); - } - - out: - return result; -} - -static void airprime_close(struct usb_serial_port *port, struct file *filp) -{ - struct airprime_private *priv = usb_get_serial_port_data(port); - int i; - - dbg("%s - port %d", __func__, port->number); - - priv->rts_state = 0; - priv->dtr_state = 0; - - mutex_lock(&port->serial->disc_mutex); - if (!port->serial->disconnected) - airprime_send_setup(port); - mutex_unlock(&port->serial->disc_mutex); - - for (i = 0; i < NUM_READ_URBS; ++i) { - usb_kill_urb(priv->read_urbp[i]); - kfree(priv->read_urbp[i]->transfer_buffer); - usb_free_urb(priv->read_urbp[i]); - } - - /* free up private structure */ - kfree(priv); - usb_set_serial_port_data(port, NULL); -} - -static int airprime_write(struct usb_serial_port *port, - const unsigned char *buf, int count) -{ - struct airprime_private *priv = usb_get_serial_port_data(port); - struct usb_serial *serial = port->serial; - struct urb *urb; - unsigned char *buffer; - unsigned long flags; - int status; - dbg("%s - port %d", __func__, port->number); - - spin_lock_irqsave(&priv->lock, flags); - if (priv->outstanding_urbs > NUM_WRITE_URBS) { - spin_unlock_irqrestore(&priv->lock, flags); - dbg("%s - write limit hit\n", __func__); - return 0; - } - spin_unlock_irqrestore(&priv->lock, flags); - buffer = kmalloc(count, GFP_ATOMIC); - if (!buffer) { - dev_err(&port->dev, "out of memory\n"); - return -ENOMEM; - } - urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!urb) { - dev_err(&port->dev, "no more free urbs\n"); - kfree(buffer); - return -ENOMEM; - } - memcpy(buffer, buf, count); - - usb_serial_debug_data(debug, &port->dev, __func__, count, buffer); - - usb_fill_bulk_urb(urb, serial->dev, - usb_sndbulkpipe(serial->dev, - port->bulk_out_endpointAddress), - buffer, count, - airprime_write_bulk_callback, port); - - /* send it down the pipe */ - status = usb_submit_urb(urb, GFP_ATOMIC); - if (status) { - dev_err(&port->dev, - "%s - usb_submit_urb(write bulk) failed with status = %d\n", - __func__, status); - count = status; - kfree(buffer); - } else { - spin_lock_irqsave(&priv->lock, flags); - ++priv->outstanding_urbs; - spin_unlock_irqrestore(&priv->lock, flags); - } - /* we are done with this urb, so let the host driver - * really free it when it is finished with it */ - usb_free_urb(urb); - return count; -} - -static struct usb_driver airprime_driver = { - .name = "airprime", - .probe = usb_serial_probe, - .disconnect = usb_serial_disconnect, - .id_table = id_table, - .no_dynamic_id = 1, -}; - -static struct usb_serial_driver airprime_device = { - .driver = { - .owner = THIS_MODULE, - .name = "airprime", - }, - .usb_driver = &airprime_driver, - .id_table = id_table, - .open = airprime_open, - .close = airprime_close, - .write = airprime_write, -}; - -static int __init airprime_init(void) -{ - int retval; - - airprime_device.num_ports = endpoints; - if (endpoints < 0 || endpoints >= MAX_BULK_EPS) - airprime_device.num_ports = NUM_BULK_EPS; - - retval = usb_serial_register(&airprime_device); - if (retval) - return retval; - retval = usb_register(&airprime_driver); - if (retval) - usb_serial_deregister(&airprime_device); - return retval; -} - -static void __exit airprime_exit(void) -{ - dbg("%s", __func__); - - usb_deregister(&airprime_driver); - usb_serial_deregister(&airprime_device); -} - -module_init(airprime_init); -module_exit(airprime_exit); -MODULE_LICENSE("GPL"); - -module_param(debug, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Debug enabled"); -module_param(buffer_size, int, 0); -MODULE_PARM_DESC(buffer_size, - "Size of the transfer buffers in bytes (default 4096)"); -module_param(endpoints, int, 0); -MODULE_PARM_DESC(endpoints, "Number of bulk EPs to configure (default 3)"); diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c index f5b57b196c5a..2bc5576c443a 100644 --- a/drivers/usb/serial/cp2101.c +++ b/drivers/usb/serial/cp2101.c @@ -365,8 +365,8 @@ static void cp2101_close (struct usb_serial_port *port, struct file * filp) static void cp2101_get_termios (struct usb_serial_port *port) { unsigned int cflag, modem_ctl[4]; - int baud; - int bits; + unsigned int baud; + unsigned int bits; dbg("%s - port %d", __func__, port->number); @@ -498,7 +498,7 @@ static void cp2101_set_termios (struct usb_serial_port *port, struct ktermios *old_termios) { unsigned int cflag, old_cflag; - int baud=0, bits; + unsigned int baud = 0, bits; unsigned int modem_ctl[4]; dbg("%s - port %d", __func__, port->number); @@ -654,7 +654,7 @@ static void cp2101_set_termios (struct usb_serial_port *port, static int cp2101_tiocmset (struct usb_serial_port *port, struct file *file, unsigned int set, unsigned int clear) { - int control = 0; + unsigned int control = 0; dbg("%s - port %d", __func__, port->number); @@ -683,7 +683,8 @@ static int cp2101_tiocmset (struct usb_serial_port *port, struct file *file, static int cp2101_tiocmget (struct usb_serial_port *port, struct file *file) { - int control, result; + unsigned int control; + int result; dbg("%s - port %d", __func__, port->number); @@ -703,7 +704,7 @@ static int cp2101_tiocmget (struct usb_serial_port *port, struct file *file) static void cp2101_break_ctl (struct usb_serial_port *port, int break_state) { - int state; + unsigned int state; dbg("%s - port %d", __func__, port->number); if (break_state == 0) diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 04a56f300ea6..28bc6fcf44f0 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -229,8 +229,6 @@ * in case a wake up is lost. * - Following Documentation/DocBook/kernel-locking.pdf no spin locks * are held when calling copy_to/from_user or printk. -* -* $Id: digi_acceleport.c,v 1.80.1.2 2000/11/02 05:45:08 root Exp $ */ #include <linux/kernel.h> @@ -573,6 +571,7 @@ static struct usb_serial_driver digi_acceleport_4_device = { static long cond_wait_interruptible_timeout_irqrestore( wait_queue_head_t *q, long timeout, spinlock_t *lock, unsigned long flags) +__releases(lock) { DEFINE_WAIT(wait); diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 61daea3f7b2d..a58822a14a87 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -18,8 +18,8 @@ * * Version history: * - * July 11, 2002 Removed 4 port device structure since all TI UMP - * chips have only 2 ports + * July 11, 2002 Removed 4 port device structure since all TI UMP + * chips have only 2 ports * David Iacovelli (davidi@ionetworks.com) * */ @@ -38,7 +38,7 @@ #include <linux/serial.h> #include <linux/ioctl.h> #include <linux/firmware.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/usb.h> #include <linux/usb/serial.h> @@ -57,18 +57,19 @@ struct edgeport_uart_buf_desc { - __u32 count; // Number of bytes currently in buffer + __u32 count; /* Number of bytes currently in buffer */ }; /* different hardware types */ #define HARDWARE_TYPE_930 0 #define HARDWARE_TYPE_TIUMP 1 -// IOCTL_PRIVATE_TI_GET_MODE Definitions -#define TI_MODE_CONFIGURING 0 // Device has not entered start device -#define TI_MODE_BOOT 1 // Staying in boot mode -#define TI_MODE_DOWNLOAD 2 // Made it to download mode -#define TI_MODE_TRANSITIONING 3 // Currently in boot mode but transitioning to download mode +/* IOCTL_PRIVATE_TI_GET_MODE Definitions */ +#define TI_MODE_CONFIGURING 0 /* Device has not entered start device */ +#define TI_MODE_BOOT 1 /* Staying in boot mode */ +#define TI_MODE_DOWNLOAD 2 /* Made it to download mode */ +#define TI_MODE_TRANSITIONING 3 /* Currently in boot mode but + transitioning to download mode */ /* read urb state */ #define EDGE_READ_URB_RUNNING 0 @@ -82,10 +83,9 @@ struct edgeport_uart_buf_desc { /* Product information read from the Edgeport */ -struct product_info -{ - int TiMode; // Current TI Mode - __u8 hardware_type; // Type of hardware +struct product_info { + int TiMode; /* Current TI Mode */ + __u8 hardware_type; /* Type of hardware */ } __attribute__((packed)); /* circular buffer */ @@ -116,7 +116,7 @@ struct edgeport_port { happen */ struct edgeport_serial *edge_serial; struct usb_serial_port *port; - __u8 bUartMode; /* Port type, 0: RS232, etc. */ + __u8 bUartMode; /* Port type, 0: RS232, etc. */ spinlock_t ep_lock; int ep_read_urb_state; int ep_write_urb_in_use; @@ -125,8 +125,9 @@ struct edgeport_port { struct edgeport_serial { struct product_info product_info; - u8 TI_I2C_Type; // Type of I2C in UMP - u8 TiReadI2C; // Set to TRUE if we have read the I2c in Boot Mode + u8 TI_I2C_Type; /* Type of I2C in UMP */ + u8 TiReadI2C; /* Set to TRUE if we have read the + I2c in Boot Mode */ struct mutex es_lock; int num_ports_open; struct usb_serial *serial; @@ -214,7 +215,7 @@ static struct usb_device_id id_table_combined [] = { { } }; -MODULE_DEVICE_TABLE (usb, id_table_combined); +MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver io_driver = { .name = "io_ti", @@ -231,19 +232,19 @@ static unsigned short OperationalBuildNumber; static int debug; -static int TIStayInBootMode = 0; static int low_latency = EDGE_LOW_LATENCY; static int closing_wait = EDGE_CLOSING_WAIT; -static int ignore_cpu_rev = 0; -static int default_uart_mode = 0; /* RS232 */ - +static int ignore_cpu_rev; +static int default_uart_mode; /* RS232 */ -static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned char *data, int length); +static void edge_tty_recv(struct device *dev, struct tty_struct *tty, + unsigned char *data, int length); static void stop_read(struct edgeport_port *edge_port); static int restart_read(struct edgeport_port *edge_port); -static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old_termios); +static void edge_set_termios(struct usb_serial_port *port, + struct ktermios *old_termios); static void edge_send(struct usb_serial_port *port); /* sysfs attributes */ @@ -262,87 +263,57 @@ static unsigned int edge_buf_get(struct edge_buf *eb, char *buf, unsigned int count); -static int TIReadVendorRequestSync (struct usb_device *dev, - __u8 request, - __u16 value, - __u16 index, - u8 *data, - int size) +static int ti_vread_sync(struct usb_device *dev, __u8 request, + __u16 value, __u16 index, u8 *data, int size) { int status; - status = usb_control_msg (dev, - usb_rcvctrlpipe(dev, 0), - request, - (USB_TYPE_VENDOR | - USB_RECIP_DEVICE | - USB_DIR_IN), - value, - index, - data, - size, - 1000); + status = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request, + (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN), + value, index, data, size, 1000); if (status < 0) return status; if (status != size) { - dbg ("%s - wanted to write %d, but only wrote %d", - __func__, size, status); + dbg("%s - wanted to write %d, but only wrote %d", + __func__, size, status); return -ECOMM; } return 0; } -static int TISendVendorRequestSync (struct usb_device *dev, - __u8 request, - __u16 value, - __u16 index, - u8 *data, - int size) +static int ti_vsend_sync(struct usb_device *dev, __u8 request, + __u16 value, __u16 index, u8 *data, int size) { int status; - status = usb_control_msg (dev, - usb_sndctrlpipe(dev, 0), - request, - (USB_TYPE_VENDOR | - USB_RECIP_DEVICE | - USB_DIR_OUT), - value, - index, - data, - size, - 1000); + status = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, + (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT), + value, index, data, size, 1000); if (status < 0) return status; if (status != size) { - dbg ("%s - wanted to write %d, but only wrote %d", + dbg("%s - wanted to write %d, but only wrote %d", __func__, size, status); return -ECOMM; } return 0; } -static int TIWriteCommandSync (struct usb_device *dev, __u8 command, +static int send_cmd(struct usb_device *dev, __u8 command, __u8 moduleid, __u16 value, u8 *data, int size) { - return TISendVendorRequestSync (dev, - command, // Request - value, // wValue - moduleid, // wIndex - data, // TransferBuffer - size); // TransferBufferLength - + return ti_vsend_sync(dev, command, value, moduleid, data, size); } /* clear tx/rx buffers and fifo in TI UMP */ -static int TIPurgeDataSync (struct usb_serial_port *port, __u16 mask) +static int purge_port(struct usb_serial_port *port, __u16 mask) { int port_number = port->number - port->serial->minor; - dbg ("%s - port %d, mask %x", __func__, port_number, mask); + dbg("%s - port %d, mask %x", __func__, port_number, mask); - return TIWriteCommandSync (port->serial->dev, + return send_cmd(port->serial->dev, UMPC_PURGE_PORT, (__u8)(UMPM_UART1_PORT + port_number), mask, @@ -351,92 +322,87 @@ static int TIPurgeDataSync (struct usb_serial_port *port, __u16 mask) } /** - * TIReadDownloadMemory - Read edgeport memory from TI chip + * read_download_mem - Read edgeport memory from TI chip * @dev: usb device pointer * @start_address: Device CPU address at which to read * @length: Length of above data * @address_type: Can read both XDATA and I2C * @buffer: pointer to input data buffer */ -static int TIReadDownloadMemory(struct usb_device *dev, int start_address, +static int read_download_mem(struct usb_device *dev, int start_address, int length, __u8 address_type, __u8 *buffer) { int status = 0; __u8 read_length; __be16 be_start_address; - - dbg ("%s - @ %x for %d", __func__, start_address, length); + + dbg("%s - @ %x for %d", __func__, start_address, length); /* Read in blocks of 64 bytes * (TI firmware can't handle more than 64 byte reads) */ while (length) { if (length > 64) - read_length= 64; + read_length = 64; else read_length = (__u8)length; if (read_length > 1) { - dbg ("%s - @ %x for %d", __func__, + dbg("%s - @ %x for %d", __func__, start_address, read_length); } - be_start_address = cpu_to_be16 (start_address); - status = TIReadVendorRequestSync (dev, - UMPC_MEMORY_READ, // Request - (__u16)address_type, // wValue (Address type) - (__force __u16)be_start_address, // wIndex (Address to read) - buffer, // TransferBuffer - read_length); // TransferBufferLength + be_start_address = cpu_to_be16(start_address); + status = ti_vread_sync(dev, UMPC_MEMORY_READ, + (__u16)address_type, + (__force __u16)be_start_address, + buffer, read_length); if (status) { - dbg ("%s - ERROR %x", __func__, status); + dbg("%s - ERROR %x", __func__, status); return status; } - if (read_length > 1) { + if (read_length > 1) usb_serial_debug_data(debug, &dev->dev, __func__, read_length, buffer); - } /* Update pointers/length */ start_address += read_length; buffer += read_length; length -= read_length; } - + return status; } -static int TIReadRam (struct usb_device *dev, int start_address, int length, __u8 *buffer) +static int read_ram(struct usb_device *dev, int start_address, + int length, __u8 *buffer) { - return TIReadDownloadMemory (dev, - start_address, - length, - DTK_ADDR_SPACE_XDATA, - buffer); + return read_download_mem(dev, start_address, length, + DTK_ADDR_SPACE_XDATA, buffer); } /* Read edgeport memory to a given block */ -static int TIReadBootMemory (struct edgeport_serial *serial, int start_address, int length, __u8 * buffer) +static int read_boot_mem(struct edgeport_serial *serial, + int start_address, int length, __u8 *buffer) { int status = 0; int i; - for (i=0; i< length; i++) { - status = TIReadVendorRequestSync (serial->serial->dev, - UMPC_MEMORY_READ, // Request - serial->TI_I2C_Type, // wValue (Address type) - (__u16)(start_address+i), // wIndex - &buffer[i], // TransferBuffer - 0x01); // TransferBufferLength + for (i = 0; i < length; i++) { + status = ti_vread_sync(serial->serial->dev, + UMPC_MEMORY_READ, serial->TI_I2C_Type, + (__u16)(start_address+i), &buffer[i], 0x01); if (status) { - dbg ("%s - ERROR %x", __func__, status); + dbg("%s - ERROR %x", __func__, status); return status; } } - dbg ("%s - start_address = %x, length = %d", __func__, start_address, length); - usb_serial_debug_data(debug, &serial->serial->dev->dev, __func__, length, buffer); + dbg("%s - start_address = %x, length = %d", + __func__, start_address, length); + usb_serial_debug_data(debug, &serial->serial->dev->dev, + __func__, length, buffer); serial->TiReadI2C = 1; @@ -444,7 +410,8 @@ static int TIReadBootMemory (struct edgeport_serial *serial, int start_address, } /* Write given block to TI EPROM memory */ -static int TIWriteBootMemory (struct edgeport_serial *serial, int start_address, int length, __u8 *buffer) +static int write_boot_mem(struct edgeport_serial *serial, + int start_address, int length, __u8 *buffer) { int status = 0; int i; @@ -452,57 +419,58 @@ static int TIWriteBootMemory (struct edgeport_serial *serial, int start_address, /* Must do a read before write */ if (!serial->TiReadI2C) { - status = TIReadBootMemory(serial, 0, 1, &temp); + status = read_boot_mem(serial, 0, 1, &temp); if (status) return status; } - for (i=0; i < length; ++i) { - status = TISendVendorRequestSync (serial->serial->dev, - UMPC_MEMORY_WRITE, // Request - buffer[i], // wValue - (__u16)(i+start_address), // wIndex - NULL, // TransferBuffer - 0); // TransferBufferLength + for (i = 0; i < length; ++i) { + status = ti_vsend_sync(serial->serial->dev, + UMPC_MEMORY_WRITE, buffer[i], + (__u16)(i + start_address), NULL, 0); if (status) return status; } - dbg ("%s - start_sddr = %x, length = %d", __func__, start_address, length); - usb_serial_debug_data(debug, &serial->serial->dev->dev, __func__, length, buffer); + dbg("%s - start_sddr = %x, length = %d", + __func__, start_address, length); + usb_serial_debug_data(debug, &serial->serial->dev->dev, + __func__, length, buffer); return status; } /* Write edgeport I2C memory to TI chip */ -static int TIWriteDownloadI2C (struct edgeport_serial *serial, int start_address, int length, __u8 address_type, __u8 *buffer) +static int write_i2c_mem(struct edgeport_serial *serial, + int start_address, int length, __u8 address_type, __u8 *buffer) { int status = 0; int write_length; __be16 be_start_address; /* We can only send a maximum of 1 aligned byte page at a time */ - + /* calulate the number of bytes left in the first page */ - write_length = EPROM_PAGE_SIZE - (start_address & (EPROM_PAGE_SIZE - 1)); + write_length = EPROM_PAGE_SIZE - + (start_address & (EPROM_PAGE_SIZE - 1)); if (write_length > length) write_length = length; - dbg ("%s - BytesInFirstPage Addr = %x, length = %d", __func__, start_address, write_length); - usb_serial_debug_data(debug, &serial->serial->dev->dev, __func__, write_length, buffer); + dbg("%s - BytesInFirstPage Addr = %x, length = %d", + __func__, start_address, write_length); + usb_serial_debug_data(debug, &serial->serial->dev->dev, + __func__, write_length, buffer); /* Write first page */ - be_start_address = cpu_to_be16 (start_address); - status = TISendVendorRequestSync (serial->serial->dev, - UMPC_MEMORY_WRITE, // Request - (__u16)address_type, // wValue - (__force __u16)be_start_address, // wIndex - buffer, // TransferBuffer - write_length); + be_start_address = cpu_to_be16(start_address); + status = ti_vsend_sync(serial->serial->dev, + UMPC_MEMORY_WRITE, (__u16)address_type, + (__force __u16)be_start_address, + buffer, write_length); if (status) { - dbg ("%s - ERROR %d", __func__, status); + dbg("%s - ERROR %d", __func__, status); return status; } @@ -510,29 +478,31 @@ static int TIWriteDownloadI2C (struct edgeport_serial *serial, int start_address start_address += write_length; buffer += write_length; - /* We should be aligned now -- can write max page size bytes at a time */ + /* We should be aligned now -- can write + max page size bytes at a time */ while (length) { if (length > EPROM_PAGE_SIZE) write_length = EPROM_PAGE_SIZE; else write_length = length; - dbg ("%s - Page Write Addr = %x, length = %d", __func__, start_address, write_length); - usb_serial_debug_data(debug, &serial->serial->dev->dev, __func__, write_length, buffer); + dbg("%s - Page Write Addr = %x, length = %d", + __func__, start_address, write_length); + usb_serial_debug_data(debug, &serial->serial->dev->dev, + __func__, write_length, buffer); /* Write next page */ - be_start_address = cpu_to_be16 (start_address); - status = TISendVendorRequestSync (serial->serial->dev, - UMPC_MEMORY_WRITE, // Request - (__u16)address_type, // wValue - (__force __u16)be_start_address, // wIndex - buffer, // TransferBuffer - write_length); // TransferBufferLength + be_start_address = cpu_to_be16(start_address); + status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE, + (__u16)address_type, + (__force __u16)be_start_address, + buffer, write_length); if (status) { - dev_err (&serial->serial->dev->dev, "%s - ERROR %d\n", __func__, status); + dev_err(&serial->serial->dev->dev, "%s - ERROR %d\n", + __func__, status); return status; } - + length -= write_length; start_address += write_length; buffer += write_length; @@ -541,25 +511,25 @@ static int TIWriteDownloadI2C (struct edgeport_serial *serial, int start_address } /* Examine the UMP DMA registers and LSR - * + * * Check the MSBit of the X and Y DMA byte count registers. * A zero in this bit indicates that the TX DMA buffers are empty * then check the TX Empty bit in the UART. */ -static int TIIsTxActive (struct edgeport_port *port) +static int tx_active(struct edgeport_port *port) { int status; struct out_endpoint_desc_block *oedb; __u8 *lsr; int bytes_left = 0; - oedb = kmalloc (sizeof (* oedb), GFP_KERNEL); + oedb = kmalloc(sizeof(*oedb), GFP_KERNEL); if (!oedb) { - dev_err (&port->port->dev, "%s - out of memory\n", __func__); + dev_err(&port->port->dev, "%s - out of memory\n", __func__); return -ENOMEM; } - lsr = kmalloc (1, GFP_KERNEL); /* Sigh, that's right, just one byte, + lsr = kmalloc(1, GFP_KERNEL); /* Sigh, that's right, just one byte, as not all platforms can do DMA from stack */ if (!lsr) { @@ -567,43 +537,39 @@ static int TIIsTxActive (struct edgeport_port *port) return -ENOMEM; } /* Read the DMA Count Registers */ - status = TIReadRam (port->port->serial->dev, - port->dma_address, - sizeof( *oedb), - (void *)oedb); - + status = read_ram(port->port->serial->dev, port->dma_address, + sizeof(*oedb), (void *)oedb); if (status) goto exit_is_tx_active; - dbg ("%s - XByteCount 0x%X", __func__, oedb->XByteCount); + dbg("%s - XByteCount 0x%X", __func__, oedb->XByteCount); /* and the LSR */ - status = TIReadRam (port->port->serial->dev, - port->uart_base + UMPMEM_OFFS_UART_LSR, - 1, - lsr); + status = read_ram(port->port->serial->dev, + port->uart_base + UMPMEM_OFFS_UART_LSR, 1, lsr); if (status) goto exit_is_tx_active; - dbg ("%s - LSR = 0x%X", __func__, *lsr); - + dbg("%s - LSR = 0x%X", __func__, *lsr); + /* If either buffer has data or we are transmitting then return TRUE */ - if ((oedb->XByteCount & 0x80 ) != 0 ) + if ((oedb->XByteCount & 0x80) != 0) bytes_left += 64; - if ((*lsr & UMP_UART_LSR_TX_MASK ) == 0 ) + if ((*lsr & UMP_UART_LSR_TX_MASK) == 0) bytes_left += 1; /* We return Not Active if we get any kind of error */ exit_is_tx_active: - dbg ("%s - return %d", __func__, bytes_left ); + dbg("%s - return %d", __func__, bytes_left); kfree(lsr); kfree(oedb); return bytes_left; } -static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int flush) +static void chase_port(struct edgeport_port *port, unsigned long timeout, + int flush) { int baud_rate; struct tty_struct *tty = port->port->tty; @@ -611,7 +577,7 @@ static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int f unsigned long flags; if (!timeout) - timeout = (HZ*EDGE_CLOSING_WAIT)/100; + timeout = (HZ * EDGE_CLOSING_WAIT)/100; /* wait for data to drain from the buffer */ spin_lock_irqsave(&port->ep_lock, flags); @@ -621,7 +587,8 @@ static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int f set_current_state(TASK_INTERRUPTIBLE); if (edge_buf_data_avail(port->ep_out_buf) == 0 || timeout == 0 || signal_pending(current) - || !usb_get_intfdata(port->port->serial->interface)) /* disconnect */ + || !usb_get_intfdata(port->port->serial->interface)) + /* disconnect */ break; spin_unlock_irqrestore(&port->ep_lock, flags); timeout = schedule_timeout(timeout); @@ -636,8 +603,9 @@ static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int f /* wait for data to drain from the device */ timeout += jiffies; while ((long)(jiffies - timeout) < 0 && !signal_pending(current) - && usb_get_intfdata(port->port->serial->interface)) { /* not disconnected */ - if (!TIIsTxActive(port)) + && usb_get_intfdata(port->port->serial->interface)) { + /* not disconnected */ + if (!tx_active(port)) break; msleep(10); } @@ -647,72 +615,72 @@ static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int f return; /* wait one more character time, based on baud rate */ - /* (TIIsTxActive doesn't seem to wait for the last byte) */ - if ((baud_rate=port->baud_rate) == 0) + /* (tx_active doesn't seem to wait for the last byte) */ + baud_rate = port->baud_rate; + if (baud_rate == 0) baud_rate = 50; msleep(max(1, DIV_ROUND_UP(10000, baud_rate))); } -static int TIChooseConfiguration (struct usb_device *dev) +static int choose_config(struct usb_device *dev) { - // There may be multiple configurations on this device, in which case - // we would need to read and parse all of them to find out which one - // we want. However, we just support one config at this point, - // configuration # 1, which is Config Descriptor 0. + /* + * There may be multiple configurations on this device, in which case + * we would need to read and parse all of them to find out which one + * we want. However, we just support one config at this point, + * configuration # 1, which is Config Descriptor 0. + */ - dbg ("%s - Number of Interfaces = %d", __func__, dev->config->desc.bNumInterfaces); - dbg ("%s - MAX Power = %d", __func__, dev->config->desc.bMaxPower*2); + dbg("%s - Number of Interfaces = %d", + __func__, dev->config->desc.bNumInterfaces); + dbg("%s - MAX Power = %d", + __func__, dev->config->desc.bMaxPower * 2); if (dev->config->desc.bNumInterfaces != 1) { - dev_err (&dev->dev, "%s - bNumInterfaces is not 1, ERROR!\n", __func__); + dev_err(&dev->dev, "%s - bNumInterfaces is not 1, ERROR!\n", + __func__); return -ENODEV; } return 0; } -static int TIReadRom (struct edgeport_serial *serial, int start_address, int length, __u8 *buffer) +static int read_rom(struct edgeport_serial *serial, + int start_address, int length, __u8 *buffer) { int status; if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) { - status = TIReadDownloadMemory (serial->serial->dev, + status = read_download_mem(serial->serial->dev, start_address, length, serial->TI_I2C_Type, buffer); } else { - status = TIReadBootMemory (serial, - start_address, - length, - buffer); + status = read_boot_mem(serial, start_address, length, + buffer); } - return status; } -static int TIWriteRom (struct edgeport_serial *serial, int start_address, int length, __u8 *buffer) +static int write_rom(struct edgeport_serial *serial, int start_address, + int length, __u8 *buffer) { if (serial->product_info.TiMode == TI_MODE_BOOT) - return TIWriteBootMemory (serial, - start_address, - length, - buffer); + return write_boot_mem(serial, start_address, length, + buffer); if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) - return TIWriteDownloadI2C (serial, - start_address, - length, - serial->TI_I2C_Type, - buffer); - + return write_i2c_mem(serial, start_address, length, + serial->TI_I2C_Type, buffer); return -EINVAL; } /* Read a descriptor header from I2C based on type */ -static int TIGetDescriptorAddress (struct edgeport_serial *serial, int desc_type, struct ti_i2c_desc *rom_desc) +static int get_descriptor_addr(struct edgeport_serial *serial, + int desc_type, struct ti_i2c_desc *rom_desc) { int start_address; int status; @@ -720,41 +688,42 @@ static int TIGetDescriptorAddress (struct edgeport_serial *serial, int desc_type /* Search for requested descriptor in I2C */ start_address = 2; do { - status = TIReadRom (serial, + status = read_rom(serial, start_address, sizeof(struct ti_i2c_desc), - (__u8 *)rom_desc ); + (__u8 *)rom_desc); if (status) return 0; if (rom_desc->Type == desc_type) return start_address; - start_address = start_address + sizeof(struct ti_i2c_desc) + rom_desc->Size; + start_address = start_address + sizeof(struct ti_i2c_desc) + + rom_desc->Size; } while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type); - + return 0; } /* Validate descriptor checksum */ -static int ValidChecksum(struct ti_i2c_desc *rom_desc, __u8 *buffer) +static int valid_csum(struct ti_i2c_desc *rom_desc, __u8 *buffer) { __u16 i; __u8 cs = 0; - for (i=0; i < rom_desc->Size; i++) { + for (i = 0; i < rom_desc->Size; i++) cs = (__u8)(cs + buffer[i]); - } + if (cs != rom_desc->CheckSum) { - dbg ("%s - Mismatch %x - %x", __func__, rom_desc->CheckSum, cs); + dbg("%s - Mismatch %x - %x", __func__, rom_desc->CheckSum, cs); return -EINVAL; } return 0; } /* Make sure that the I2C image is good */ -static int TiValidateI2cImage (struct edgeport_serial *serial) +static int check_i2c_image(struct edgeport_serial *serial) { struct device *dev = &serial->serial->dev->dev; int status = 0; @@ -763,120 +732,124 @@ static int TiValidateI2cImage (struct edgeport_serial *serial) __u8 *buffer; __u16 ttype; - rom_desc = kmalloc (sizeof (*rom_desc), GFP_KERNEL); + rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); if (!rom_desc) { - dev_err (dev, "%s - out of memory\n", __func__); + dev_err(dev, "%s - out of memory\n", __func__); return -ENOMEM; } - buffer = kmalloc (TI_MAX_I2C_SIZE, GFP_KERNEL); + buffer = kmalloc(TI_MAX_I2C_SIZE, GFP_KERNEL); if (!buffer) { - dev_err (dev, "%s - out of memory when allocating buffer\n", __func__); - kfree (rom_desc); + dev_err(dev, "%s - out of memory when allocating buffer\n", + __func__); + kfree(rom_desc); return -ENOMEM; } - // Read the first byte (Signature0) must be 0x52 or 0x10 - status = TIReadRom (serial, 0, 1, buffer); + /* Read the first byte (Signature0) must be 0x52 or 0x10 */ + status = read_rom(serial, 0, 1, buffer); if (status) - goto ExitTiValidateI2cImage; + goto out; if (*buffer != UMP5152 && *buffer != UMP3410) { - dev_err (dev, "%s - invalid buffer signature\n", __func__); + dev_err(dev, "%s - invalid buffer signature\n", __func__); status = -ENODEV; - goto ExitTiValidateI2cImage; + goto out; } do { - // Validate the I2C - status = TIReadRom (serial, + /* Validate the I2C */ + status = read_rom(serial, start_address, sizeof(struct ti_i2c_desc), (__u8 *)rom_desc); if (status) break; - if ((start_address + sizeof(struct ti_i2c_desc) + rom_desc->Size) > TI_MAX_I2C_SIZE) { + if ((start_address + sizeof(struct ti_i2c_desc) + + rom_desc->Size) > TI_MAX_I2C_SIZE) { status = -ENODEV; - dbg ("%s - structure too big, erroring out.", __func__); + dbg("%s - structure too big, erroring out.", __func__); break; } - dbg ("%s Type = 0x%x", __func__, rom_desc->Type); + dbg("%s Type = 0x%x", __func__, rom_desc->Type); - // Skip type 2 record + /* Skip type 2 record */ ttype = rom_desc->Type & 0x0f; - if ( ttype != I2C_DESC_TYPE_FIRMWARE_BASIC - && ttype != I2C_DESC_TYPE_FIRMWARE_AUTO ) { - // Read the descriptor data - status = TIReadRom(serial, - start_address+sizeof(struct ti_i2c_desc), - rom_desc->Size, - buffer); + if (ttype != I2C_DESC_TYPE_FIRMWARE_BASIC + && ttype != I2C_DESC_TYPE_FIRMWARE_AUTO) { + /* Read the descriptor data */ + status = read_rom(serial, start_address + + sizeof(struct ti_i2c_desc), + rom_desc->Size, buffer); if (status) break; - status = ValidChecksum(rom_desc, buffer); + status = valid_csum(rom_desc, buffer); if (status) break; } - start_address = start_address + sizeof(struct ti_i2c_desc) + rom_desc->Size; + start_address = start_address + sizeof(struct ti_i2c_desc) + + rom_desc->Size; - } while ((rom_desc->Type != I2C_DESC_TYPE_ION) && (start_address < TI_MAX_I2C_SIZE)); + } while ((rom_desc->Type != I2C_DESC_TYPE_ION) && + (start_address < TI_MAX_I2C_SIZE)); - if ((rom_desc->Type != I2C_DESC_TYPE_ION) || (start_address > TI_MAX_I2C_SIZE)) + if ((rom_desc->Type != I2C_DESC_TYPE_ION) || + (start_address > TI_MAX_I2C_SIZE)) status = -ENODEV; -ExitTiValidateI2cImage: - kfree (buffer); - kfree (rom_desc); +out: + kfree(buffer); + kfree(rom_desc); return status; } -static int TIReadManufDescriptor (struct edgeport_serial *serial, __u8 *buffer) +static int get_manuf_info(struct edgeport_serial *serial, __u8 *buffer) { int status; int start_address; struct ti_i2c_desc *rom_desc; struct edge_ti_manuf_descriptor *desc; - rom_desc = kmalloc (sizeof (*rom_desc), GFP_KERNEL); + rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); if (!rom_desc) { - dev_err (&serial->serial->dev->dev, "%s - out of memory\n", __func__); + dev_err(&serial->serial->dev->dev, "%s - out of memory\n", + __func__); return -ENOMEM; } - start_address = TIGetDescriptorAddress (serial, I2C_DESC_TYPE_ION, rom_desc); + start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_ION, + rom_desc); if (!start_address) { - dbg ("%s - Edge Descriptor not found in I2C", __func__); + dbg("%s - Edge Descriptor not found in I2C", __func__); status = -ENODEV; goto exit; } - // Read the descriptor data - status = TIReadRom (serial, - start_address+sizeof(struct ti_i2c_desc), - rom_desc->Size, - buffer); + /* Read the descriptor data */ + status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc), + rom_desc->Size, buffer); if (status) goto exit; - - status = ValidChecksum(rom_desc, buffer); - + + status = valid_csum(rom_desc, buffer); + desc = (struct edge_ti_manuf_descriptor *)buffer; - dbg ( "%s - IonConfig 0x%x", __func__, desc->IonConfig ); - dbg ( "%s - Version %d", __func__, desc->Version ); - dbg ( "%s - Cpu/Board 0x%x", __func__, desc->CpuRev_BoardRev ); - dbg ( "%s - NumPorts %d", __func__, desc->NumPorts ); - dbg ( "%s - NumVirtualPorts %d", __func__, desc->NumVirtualPorts ); - dbg ( "%s - TotalPorts %d", __func__, desc->TotalPorts ); + dbg("%s - IonConfig 0x%x", __func__, desc->IonConfig); + dbg("%s - Version %d", __func__, desc->Version); + dbg("%s - Cpu/Board 0x%x", __func__, desc->CpuRev_BoardRev); + dbg("%s - NumPorts %d", __func__, desc->NumPorts); + dbg("%s - NumVirtualPorts %d", __func__, desc->NumVirtualPorts); + dbg("%s - TotalPorts %d", __func__, desc->TotalPorts); exit: - kfree (rom_desc); + kfree(rom_desc); return status; } /* Build firmware header used for firmware update */ -static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev) +static int build_i2c_fw_hdr(__u8 *header, struct device *dev) { __u8 *buffer; int buffer_size; @@ -889,24 +862,28 @@ static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev) const struct firmware *fw; const char *fw_name = "edgeport/down3.bin"; - // In order to update the I2C firmware we must change the type 2 record to type 0xF2. - // This will force the UMP to come up in Boot Mode. Then while in boot mode, the driver - // will download the latest firmware (padded to 15.5k) into the UMP ram. - // And finally when the device comes back up in download mode the driver will cause - // the new firmware to be copied from the UMP Ram to I2C and the firmware will update - // the record type from 0xf2 to 0x02. - - // Allocate a 15.5k buffer + 2 bytes for version number (Firmware Record) - buffer_size = (((1024 * 16) - 512 )+ sizeof(struct ti_i2c_firmware_rec)); - - buffer = kmalloc (buffer_size, GFP_KERNEL); + /* In order to update the I2C firmware we must change the type 2 record + * to type 0xF2. This will force the UMP to come up in Boot Mode. + * Then while in boot mode, the driver will download the latest + * firmware (padded to 15.5k) into the UMP ram. And finally when the + * device comes back up in download mode the driver will cause the new + * firmware to be copied from the UMP Ram to I2C and the firmware will + * update the record type from 0xf2 to 0x02. + */ + + /* Allocate a 15.5k buffer + 2 bytes for version number + * (Firmware Record) */ + buffer_size = (((1024 * 16) - 512 ) + + sizeof(struct ti_i2c_firmware_rec)); + + buffer = kmalloc(buffer_size, GFP_KERNEL); if (!buffer) { - dev_err (dev, "%s - out of memory\n", __func__); + dev_err(dev, "%s - out of memory\n", __func__); return -ENOMEM; } - + // Set entire image of 0xffs - memset (buffer, 0xff, buffer_size); + memset(buffer, 0xff, buffer_size); err = request_firmware(&fw, fw_name, dev); if (err) { @@ -921,16 +898,16 @@ static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev) OperationalMinorVersion = fw->data[1]; OperationalBuildNumber = fw->data[2] | (fw->data[3] << 8); - // Copy version number into firmware record + /* Copy version number into firmware record */ firmware_rec = (struct ti_i2c_firmware_rec *)buffer; firmware_rec->Ver_Major = OperationalMajorVersion; firmware_rec->Ver_Minor = OperationalMinorVersion; - // Pointer to fw_down memory image + /* Pointer to fw_down memory image */ img_header = (struct ti_i2c_image_header *)&fw->data[4]; - memcpy (buffer + sizeof(struct ti_i2c_firmware_rec), + memcpy(buffer + sizeof(struct ti_i2c_firmware_rec), &fw->data[4 + sizeof(struct ti_i2c_image_header)], le16_to_cpu(img_header->Length)); @@ -940,12 +917,12 @@ static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev) cs = (__u8)(cs + buffer[i]); } - kfree (buffer); + kfree(buffer); - // Build new header + /* Build new header */ i2c_header = (struct ti_i2c_desc *)header; firmware_rec = (struct ti_i2c_firmware_rec*)i2c_header->Data; - + i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK; i2c_header->Size = (__u16)buffer_size; i2c_header->CheckSum = cs; @@ -956,103 +933,100 @@ static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev) } /* Try to figure out what type of I2c we have */ -static int TIGetI2cTypeInBootMode (struct edgeport_serial *serial) +static int i2c_type_bootmode(struct edgeport_serial *serial) { int status; __u8 data; - - // Try to read type 2 - status = TIReadVendorRequestSync (serial->serial->dev, - UMPC_MEMORY_READ, // Request - DTK_ADDR_SPACE_I2C_TYPE_II, // wValue (Address type) - 0, // wIndex - &data, // TransferBuffer - 0x01); // TransferBufferLength + + /* Try to read type 2 */ + status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ, + DTK_ADDR_SPACE_I2C_TYPE_II, 0, &data, 0x01); if (status) - dbg ("%s - read 2 status error = %d", __func__, status); + dbg("%s - read 2 status error = %d", __func__, status); else - dbg ("%s - read 2 data = 0x%x", __func__, data); + dbg("%s - read 2 data = 0x%x", __func__, data); if ((!status) && (data == UMP5152 || data == UMP3410)) { - dbg ("%s - ROM_TYPE_II", __func__); + dbg("%s - ROM_TYPE_II", __func__); serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; return 0; } - // Try to read type 3 - status = TIReadVendorRequestSync (serial->serial->dev, - UMPC_MEMORY_READ, // Request - DTK_ADDR_SPACE_I2C_TYPE_III, // wValue (Address type) - 0, // wIndex - &data, // TransferBuffer - 0x01); // TransferBufferLength + /* Try to read type 3 */ + status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ, + DTK_ADDR_SPACE_I2C_TYPE_III, 0, &data, 0x01); if (status) - dbg ("%s - read 3 status error = %d", __func__, status); + dbg("%s - read 3 status error = %d", __func__, status); else - dbg ("%s - read 2 data = 0x%x", __func__, data); + dbg("%s - read 2 data = 0x%x", __func__, data); if ((!status) && (data == UMP5152 || data == UMP3410)) { - dbg ("%s - ROM_TYPE_III", __func__); + dbg("%s - ROM_TYPE_III", __func__); serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_III; return 0; } - dbg ("%s - Unknown", __func__); + dbg("%s - Unknown", __func__); serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; return -ENODEV; } -static int TISendBulkTransferSync (struct usb_serial *serial, void *buffer, int length, int *num_sent) +static int bulk_xfer(struct usb_serial *serial, void *buffer, + int length, int *num_sent) { int status; - status = usb_bulk_msg (serial->dev, - usb_sndbulkpipe(serial->dev, - serial->port[0]->bulk_out_endpointAddress), - buffer, - length, - num_sent, - 1000); + status = usb_bulk_msg(serial->dev, + usb_sndbulkpipe(serial->dev, + serial->port[0]->bulk_out_endpointAddress), + buffer, length, num_sent, 1000); return status; } /* Download given firmware image to the device (IN BOOT MODE) */ -static int TIDownloadCodeImage (struct edgeport_serial *serial, __u8 *image, int image_length) +static int download_code(struct edgeport_serial *serial, __u8 *image, + int image_length) { int status = 0; int pos; int transfer; int done; - // Transfer firmware image + /* Transfer firmware image */ for (pos = 0; pos < image_length; ) { - // Read the next buffer from file + /* Read the next buffer from file */ transfer = image_length - pos; if (transfer > EDGE_FW_BULK_MAX_PACKET_SIZE) transfer = EDGE_FW_BULK_MAX_PACKET_SIZE; - // Transfer data - status = TISendBulkTransferSync (serial->serial, &image[pos], transfer, &done); + /* Transfer data */ + status = bulk_xfer(serial->serial, &image[pos], + transfer, &done); if (status) break; - // Advance buffer pointer + /* Advance buffer pointer */ pos += done; } return status; } -// FIXME!!! -static int TIConfigureBootDevice (struct usb_device *dev) +/* FIXME!!! */ +static int config_boot_dev(struct usb_device *dev) { return 0; } +static int ti_cpu_rev(struct edge_ti_manuf_descriptor *desc) +{ + return TI_GET_CPU_REVISION(desc->CpuRev_BoardRev); +} + /** * DownloadTIFirmware - Download run-time operating firmware to the TI5052 - * + * * This routine downloads the main operating code into the TI5052, using the * boot code already burned into E2PROM or ROM. */ -static int TIDownloadFirmware (struct edgeport_serial *serial) +static int download_fw(struct edgeport_serial *serial) { struct device *dev = &serial->serial->dev->dev; int status = 0; @@ -1071,22 +1045,25 @@ static int TIDownloadFirmware (struct edgeport_serial *serial) /* Default to type 2 i2c */ serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; - status = TIChooseConfiguration (serial->serial->dev); + status = choose_config(serial->serial->dev); if (status) return status; interface = &serial->serial->interface->cur_altsetting->desc; if (!interface) { - dev_err (dev, "%s - no interface set, error!\n", __func__); + dev_err(dev, "%s - no interface set, error!\n", __func__); return -ENODEV; } - // Setup initial mode -- the default mode 0 is TI_MODE_CONFIGURING - // if we have more than one endpoint we are definitely in download mode + /* + * Setup initial mode -- the default mode 0 is TI_MODE_CONFIGURING + * if we have more than one endpoint we are definitely in download + * mode + */ if (interface->bNumEndpoints > 1) serial->product_info.TiMode = TI_MODE_DOWNLOAD; else - // Otherwise we will remain in configuring mode + /* Otherwise we will remain in configuring mode */ serial->product_info.TiMode = TI_MODE_CONFIGURING; /********************************************************************/ @@ -1097,256 +1074,273 @@ static int TIDownloadFirmware (struct edgeport_serial *serial) dbg("%s - RUNNING IN DOWNLOAD MODE", __func__); - status = TiValidateI2cImage (serial); + status = check_i2c_image(serial); if (status) { dbg("%s - DOWNLOAD MODE -- BAD I2C", __func__); return status; } - + /* Validate Hardware version number * Read Manufacturing Descriptor from TI Based Edgeport */ - ti_manuf_desc = kmalloc (sizeof (*ti_manuf_desc), GFP_KERNEL); + ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); if (!ti_manuf_desc) { - dev_err (dev, "%s - out of memory.\n", __func__); + dev_err(dev, "%s - out of memory.\n", __func__); return -ENOMEM; } - status = TIReadManufDescriptor (serial, (__u8 *)ti_manuf_desc); + status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); if (status) { - kfree (ti_manuf_desc); + kfree(ti_manuf_desc); return status; } - // Check version number of ION descriptor - if (!ignore_cpu_rev && TI_GET_CPU_REVISION(ti_manuf_desc->CpuRev_BoardRev) < 2) { - dbg ( "%s - Wrong CPU Rev %d (Must be 2)", __func__, - TI_GET_CPU_REVISION(ti_manuf_desc->CpuRev_BoardRev)); - kfree (ti_manuf_desc); - return -EINVAL; - } + /* Check version number of ION descriptor */ + if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { + dbg("%s - Wrong CPU Rev %d (Must be 2)", + __func__, ti_cpu_rev(ti_manuf_desc)); + kfree(ti_manuf_desc); + return -EINVAL; + } - rom_desc = kmalloc (sizeof (*rom_desc), GFP_KERNEL); + rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); if (!rom_desc) { - dev_err (dev, "%s - out of memory.\n", __func__); - kfree (ti_manuf_desc); + dev_err(dev, "%s - out of memory.\n", __func__); + kfree(ti_manuf_desc); return -ENOMEM; } - // Search for type 2 record (firmware record) - if ((start_address = TIGetDescriptorAddress (serial, I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc)) != 0) { + /* Search for type 2 record (firmware record) */ + start_address = get_descriptor_addr(serial, + I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc); + if (start_address != 0) { struct ti_i2c_firmware_rec *firmware_version; __u8 record; - dbg ("%s - Found Type FIRMWARE (Type 2) record", __func__); + dbg("%s - Found Type FIRMWARE (Type 2) record", + __func__); - firmware_version = kmalloc (sizeof (*firmware_version), GFP_KERNEL); + firmware_version = kmalloc(sizeof(*firmware_version), + GFP_KERNEL); if (!firmware_version) { - dev_err (dev, "%s - out of memory.\n", __func__); - kfree (rom_desc); - kfree (ti_manuf_desc); + dev_err(dev, "%s - out of memory.\n", __func__); + kfree(rom_desc); + kfree(ti_manuf_desc); return -ENOMEM; } - // Validate version number - // Read the descriptor data - status = TIReadRom (serial, - start_address+sizeof(struct ti_i2c_desc), + /* Validate version number + * Read the descriptor data + */ + status = read_rom(serial, start_address + + sizeof(struct ti_i2c_desc), sizeof(struct ti_i2c_firmware_rec), (__u8 *)firmware_version); if (status) { - kfree (firmware_version); - kfree (rom_desc); - kfree (ti_manuf_desc); + kfree(firmware_version); + kfree(rom_desc); + kfree(ti_manuf_desc); return status; } - // Check version number of download with current version in I2c - download_cur_ver = (firmware_version->Ver_Major << 8) + + /* Check version number of download with current + version in I2c */ + download_cur_ver = (firmware_version->Ver_Major << 8) + (firmware_version->Ver_Minor); download_new_ver = (OperationalMajorVersion << 8) + (OperationalMinorVersion); - dbg ("%s - >>>Firmware Versions Device %d.%d Driver %d.%d", - __func__, - firmware_version->Ver_Major, - firmware_version->Ver_Minor, - OperationalMajorVersion, - OperationalMinorVersion); + dbg("%s - >> FW Versions Device %d.%d Driver %d.%d", + __func__, + firmware_version->Ver_Major, + firmware_version->Ver_Minor, + OperationalMajorVersion, + OperationalMinorVersion); - // Check if we have an old version in the I2C and update if necessary + /* Check if we have an old version in the I2C and + update if necessary */ if (download_cur_ver != download_new_ver) { - dbg ("%s - Update I2C Download from %d.%d to %d.%d", - __func__, - firmware_version->Ver_Major, - firmware_version->Ver_Minor, - OperationalMajorVersion, - OperationalMinorVersion); - - // In order to update the I2C firmware we must change the type 2 record to type 0xF2. - // This will force the UMP to come up in Boot Mode. Then while in boot mode, the driver - // will download the latest firmware (padded to 15.5k) into the UMP ram. - // And finally when the device comes back up in download mode the driver will cause - // the new firmware to be copied from the UMP Ram to I2C and the firmware will update - // the record type from 0xf2 to 0x02. - + dbg("%s - Update I2C dld from %d.%d to %d.%d", + __func__, + firmware_version->Ver_Major, + firmware_version->Ver_Minor, + OperationalMajorVersion, + OperationalMinorVersion); + + /* In order to update the I2C firmware we must + * change the type 2 record to type 0xF2. This + * will force the UMP to come up in Boot Mode. + * Then while in boot mode, the driver will + * download the latest firmware (padded to + * 15.5k) into the UMP ram. Finally when the + * device comes back up in download mode the + * driver will cause the new firmware to be + * copied from the UMP Ram to I2C and the + * firmware will update the record type from + * 0xf2 to 0x02. + */ record = I2C_DESC_TYPE_FIRMWARE_BLANK; - // Change the I2C Firmware record type to 0xf2 to trigger an update - status = TIWriteRom (serial, - start_address, - sizeof(record), - &record); + /* Change the I2C Firmware record type to + 0xf2 to trigger an update */ + status = write_rom(serial, start_address, + sizeof(record), &record); if (status) { - kfree (firmware_version); - kfree (rom_desc); - kfree (ti_manuf_desc); + kfree(firmware_version); + kfree(rom_desc); + kfree(ti_manuf_desc); return status; } - // verify the write -- must do this in order for write to - // complete before we do the hardware reset - status = TIReadRom (serial, + /* verify the write -- must do this in order + * for write to complete before we do the + * hardware reset + */ + status = read_rom(serial, start_address, sizeof(record), &record); - if (status) { - kfree (firmware_version); - kfree (rom_desc); - kfree (ti_manuf_desc); + kfree(firmware_version); + kfree(rom_desc); + kfree(ti_manuf_desc); return status; } if (record != I2C_DESC_TYPE_FIRMWARE_BLANK) { - dev_err (dev, "%s - error resetting device\n", __func__); - kfree (firmware_version); - kfree (rom_desc); - kfree (ti_manuf_desc); + dev_err(dev, + "%s - error resetting device\n", + __func__); + kfree(firmware_version); + kfree(rom_desc); + kfree(ti_manuf_desc); return -ENODEV; } - dbg ("%s - HARDWARE RESET", __func__); + dbg("%s - HARDWARE RESET", __func__); - // Reset UMP -- Back to BOOT MODE - status = TISendVendorRequestSync (serial->serial->dev, - UMPC_HARDWARE_RESET, // Request - 0, // wValue - 0, // wIndex - NULL, // TransferBuffer - 0); // TransferBufferLength + /* Reset UMP -- Back to BOOT MODE */ + status = ti_vsend_sync(serial->serial->dev, + UMPC_HARDWARE_RESET, + 0, 0, NULL, 0); - dbg ( "%s - HARDWARE RESET return %d", __func__, status); + dbg("%s - HARDWARE RESET return %d", + __func__, status); /* return an error on purpose. */ - kfree (firmware_version); - kfree (rom_desc); - kfree (ti_manuf_desc); + kfree(firmware_version); + kfree(rom_desc); + kfree(ti_manuf_desc); return -ENODEV; } - kfree (firmware_version); + kfree(firmware_version); } - // Search for type 0xF2 record (firmware blank record) - else if ((start_address = TIGetDescriptorAddress (serial, I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc)) != 0) { - #define HEADER_SIZE (sizeof(struct ti_i2c_desc) + sizeof(struct ti_i2c_firmware_rec)) + /* Search for type 0xF2 record (firmware blank record) */ + else if ((start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc)) != 0) { +#define HEADER_SIZE (sizeof(struct ti_i2c_desc) + \ + sizeof(struct ti_i2c_firmware_rec)) __u8 *header; __u8 *vheader; - header = kmalloc (HEADER_SIZE, GFP_KERNEL); + header = kmalloc(HEADER_SIZE, GFP_KERNEL); if (!header) { - dev_err (dev, "%s - out of memory.\n", __func__); - kfree (rom_desc); - kfree (ti_manuf_desc); + dev_err(dev, "%s - out of memory.\n", __func__); + kfree(rom_desc); + kfree(ti_manuf_desc); return -ENOMEM; } - - vheader = kmalloc (HEADER_SIZE, GFP_KERNEL); + + vheader = kmalloc(HEADER_SIZE, GFP_KERNEL); if (!vheader) { - dev_err (dev, "%s - out of memory.\n", __func__); - kfree (header); - kfree (rom_desc); - kfree (ti_manuf_desc); + dev_err(dev, "%s - out of memory.\n", __func__); + kfree(header); + kfree(rom_desc); + kfree(ti_manuf_desc); return -ENOMEM; } - - dbg ("%s - Found Type BLANK FIRMWARE (Type F2) record", __func__); - - // In order to update the I2C firmware we must change the type 2 record to type 0xF2. - // This will force the UMP to come up in Boot Mode. Then while in boot mode, the driver - // will download the latest firmware (padded to 15.5k) into the UMP ram. - // And finally when the device comes back up in download mode the driver will cause - // the new firmware to be copied from the UMP Ram to I2C and the firmware will update - // the record type from 0xf2 to 0x02. - status = BuildI2CFirmwareHeader(header, dev); + + dbg("%s - Found Type BLANK FIRMWARE (Type F2) record", + __func__); + + /* + * In order to update the I2C firmware we must change + * the type 2 record to type 0xF2. This will force the + * UMP to come up in Boot Mode. Then while in boot + * mode, the driver will download the latest firmware + * (padded to 15.5k) into the UMP ram. Finally when the + * device comes back up in download mode the driver + * will cause the new firmware to be copied from the + * UMP Ram to I2C and the firmware will update the + * record type from 0xf2 to 0x02. + */ + status = build_i2c_fw_hdr(header, dev); if (status) { - kfree (vheader); - kfree (header); - kfree (rom_desc); - kfree (ti_manuf_desc); + kfree(vheader); + kfree(header); + kfree(rom_desc); + kfree(ti_manuf_desc); return status; } - // Update I2C with type 0xf2 record with correct size and checksum - status = TIWriteRom (serial, + /* Update I2C with type 0xf2 record with correct + size and checksum */ + status = write_rom(serial, start_address, HEADER_SIZE, header); if (status) { - kfree (vheader); - kfree (header); - kfree (rom_desc); - kfree (ti_manuf_desc); + kfree(vheader); + kfree(header); + kfree(rom_desc); + kfree(ti_manuf_desc); return status; } - // verify the write -- must do this in order for write to - // complete before we do the hardware reset - status = TIReadRom (serial, - start_address, - HEADER_SIZE, - vheader); + /* verify the write -- must do this in order for + write to complete before we do the hardware reset */ + status = read_rom(serial, start_address, + HEADER_SIZE, vheader); if (status) { - dbg ("%s - can't read header back", __func__); - kfree (vheader); - kfree (header); - kfree (rom_desc); - kfree (ti_manuf_desc); + dbg("%s - can't read header back", __func__); + kfree(vheader); + kfree(header); + kfree(rom_desc); + kfree(ti_manuf_desc); return status; } if (memcmp(vheader, header, HEADER_SIZE)) { - dbg ("%s - write download record failed", __func__); - kfree (vheader); - kfree (header); - kfree (rom_desc); - kfree (ti_manuf_desc); + dbg("%s - write download record failed", + __func__); + kfree(vheader); + kfree(header); + kfree(rom_desc); + kfree(ti_manuf_desc); return status; } - kfree (vheader); - kfree (header); + kfree(vheader); + kfree(header); - dbg ("%s - Start firmware update", __func__); + dbg("%s - Start firmware update", __func__); - // Tell firmware to copy download image into I2C - status = TISendVendorRequestSync (serial->serial->dev, - UMPC_COPY_DNLD_TO_I2C, // Request - 0, // wValue - 0, // wIndex - NULL, // TransferBuffer - 0); // TransferBufferLength + /* Tell firmware to copy download image into I2C */ + status = ti_vsend_sync(serial->serial->dev, + UMPC_COPY_DNLD_TO_I2C, 0, 0, NULL, 0); - dbg ("%s - Update complete 0x%x", __func__, status); + dbg("%s - Update complete 0x%x", __func__, status); if (status) { - dev_err (dev, "%s - UMPC_COPY_DNLD_TO_I2C failed\n", __func__); - kfree (rom_desc); - kfree (ti_manuf_desc); + dev_err(dev, + "%s - UMPC_COPY_DNLD_TO_I2C failed\n", + __func__); + kfree(rom_desc); + kfree(ti_manuf_desc); return status; } } // The device is running the download code - kfree (rom_desc); - kfree (ti_manuf_desc); + kfree(rom_desc); + kfree(ti_manuf_desc); return 0; } @@ -1355,32 +1349,26 @@ static int TIDownloadFirmware (struct edgeport_serial *serial) /********************************************************************/ dbg("%s - RUNNING IN BOOT MODE", __func__); - // Configure the TI device so we can use the BULK pipes for download - status = TIConfigureBootDevice (serial->serial->dev); + /* Configure the TI device so we can use the BULK pipes for download */ + status = config_boot_dev(serial->serial->dev); if (status) return status; - if (le16_to_cpu(serial->serial->dev->descriptor.idVendor) != USB_VENDOR_ID_ION) { - dbg ("%s - VID = 0x%x", __func__, + if (le16_to_cpu(serial->serial->dev->descriptor.idVendor) + != USB_VENDOR_ID_ION) { + dbg("%s - VID = 0x%x", __func__, le16_to_cpu(serial->serial->dev->descriptor.idVendor)); serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; - goto StayInBootMode; - } - - // We have an ION device (I2c Must be programmed) - // Determine I2C image type - if (TIGetI2cTypeInBootMode(serial)) { - goto StayInBootMode; + goto stayinbootmode; } - // Registry variable set? - if (TIStayInBootMode) { - dbg ("%s - TIStayInBootMode", __func__); - goto StayInBootMode; - } + /* We have an ION device (I2c Must be programmed) + Determine I2C image type */ + if (i2c_type_bootmode(serial)) + goto stayinbootmode; - // Check for ION Vendor ID and that the I2C is valid - if (!TiValidateI2cImage(serial)) { + /* Check for ION Vendor ID and that the I2C is valid */ + if (!check_i2c_image(serial)) { struct ti_i2c_image_header *header; int i; __u8 cs = 0; @@ -1393,49 +1381,52 @@ static int TIDownloadFirmware (struct edgeport_serial *serial) /* Validate Hardware version number * Read Manufacturing Descriptor from TI Based Edgeport */ - ti_manuf_desc = kmalloc (sizeof (*ti_manuf_desc), GFP_KERNEL); + ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); if (!ti_manuf_desc) { - dev_err (dev, "%s - out of memory.\n", __func__); + dev_err(dev, "%s - out of memory.\n", __func__); return -ENOMEM; } - status = TIReadManufDescriptor (serial, (__u8 *)ti_manuf_desc); + status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); if (status) { - kfree (ti_manuf_desc); - goto StayInBootMode; + kfree(ti_manuf_desc); + goto stayinbootmode; } - // Check for version 2 - if (!ignore_cpu_rev && TI_GET_CPU_REVISION(ti_manuf_desc->CpuRev_BoardRev) < 2) { - dbg ("%s - Wrong CPU Rev %d (Must be 2)", __func__, - TI_GET_CPU_REVISION(ti_manuf_desc->CpuRev_BoardRev)); - kfree (ti_manuf_desc); - goto StayInBootMode; + /* Check for version 2 */ + if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { + dbg("%s - Wrong CPU Rev %d (Must be 2)", + __func__, ti_cpu_rev(ti_manuf_desc)); + kfree(ti_manuf_desc); + goto stayinbootmode; } - kfree (ti_manuf_desc); + kfree(ti_manuf_desc); - // In order to update the I2C firmware we must change the type 2 record to type 0xF2. - // This will force the UMP to come up in Boot Mode. Then while in boot mode, the driver - // will download the latest firmware (padded to 15.5k) into the UMP ram. - // And finally when the device comes back up in download mode the driver will cause - // the new firmware to be copied from the UMP Ram to I2C and the firmware will update - // the record type from 0xf2 to 0x02. - /* + * In order to update the I2C firmware we must change the type + * 2 record to type 0xF2. This will force the UMP to come up + * in Boot Mode. Then while in boot mode, the driver will + * download the latest firmware (padded to 15.5k) into the + * UMP ram. Finally when the device comes back up in download + * mode the driver will cause the new firmware to be copied + * from the UMP Ram to I2C and the firmware will update the + * record type from 0xf2 to 0x02. + * * Do we really have to copy the whole firmware image, * or could we do this in place! */ - // Allocate a 15.5k buffer + 3 byte header - buffer_size = (((1024 * 16) - 512) + sizeof(struct ti_i2c_image_header)); - buffer = kmalloc (buffer_size, GFP_KERNEL); + /* Allocate a 15.5k buffer + 3 byte header */ + buffer_size = (((1024 * 16) - 512) + + sizeof(struct ti_i2c_image_header)); + buffer = kmalloc(buffer_size, GFP_KERNEL); if (!buffer) { - dev_err (dev, "%s - out of memory\n", __func__); + dev_err(dev, "%s - out of memory\n", __func__); return -ENOMEM; } - - // Initialize the buffer to 0xff (pad the buffer) - memset (buffer, 0xff, buffer_size); + + /* Initialize the buffer to 0xff (pad the buffer) */ + memset(buffer, 0xff, buffer_size); err = request_firmware(&fw, fw_name, dev); if (err) { @@ -1447,38 +1438,43 @@ static int TIDownloadFirmware (struct edgeport_serial *serial) memcpy(buffer, &fw->data[4], fw->size - 4); release_firmware(fw); - for(i = sizeof(struct ti_i2c_image_header); i < buffer_size; i++) { + for (i = sizeof(struct ti_i2c_image_header); + i < buffer_size; i++) { cs = (__u8)(cs + buffer[i]); } - + header = (struct ti_i2c_image_header *)buffer; - - // update length and checksum after padding - header->Length = cpu_to_le16((__u16)(buffer_size - sizeof(struct ti_i2c_image_header))); + + /* update length and checksum after padding */ + header->Length = cpu_to_le16((__u16)(buffer_size - + sizeof(struct ti_i2c_image_header))); header->CheckSum = cs; - // Download the operational code - dbg ("%s - Downloading operational code image (TI UMP)", __func__); - status = TIDownloadCodeImage (serial, buffer, buffer_size); + /* Download the operational code */ + dbg("%s - Downloading operational code image (TI UMP)", + __func__); + status = download_code(serial, buffer, buffer_size); - kfree (buffer); + kfree(buffer); if (status) { - dbg ("%s - Error downloading operational code image", __func__); + dbg("%s - Error downloading operational code image", + __func__); return status; } - // Device will reboot + /* Device will reboot */ serial->product_info.TiMode = TI_MODE_TRANSITIONING; - dbg ("%s - Download successful -- Device rebooting...", __func__); + dbg("%s - Download successful -- Device rebooting...", + __func__); /* return an error on purpose */ return -ENODEV; } -StayInBootMode: - // Eprom is invalid or blank stay in boot mode +stayinbootmode: + /* Eprom is invalid or blank stay in boot mode */ dbg("%s - STAYING IN BOOT MODE", __func__); serial->product_info.TiMode = TI_MODE_BOOT; @@ -1486,156 +1482,33 @@ StayInBootMode: } -static int TISetDtr (struct edgeport_port *port) +static int ti_do_config(struct edgeport_port *port, int feature, int on) { int port_number = port->port->number - port->port->serial->minor; - - dbg ("%s", __func__); - port->shadow_mcr |= MCR_DTR; - - return TIWriteCommandSync (port->port->serial->dev, - UMPC_SET_CLR_DTR, - (__u8)(UMPM_UART1_PORT + port_number), - 1, /* set */ - NULL, - 0); + on = !!on; /* 1 or 0 not bitmask */ + return send_cmd(port->port->serial->dev, + feature, (__u8)(UMPM_UART1_PORT + port_number), + on, NULL, 0); } -static int TIClearDtr (struct edgeport_port *port) -{ - int port_number = port->port->number - port->port->serial->minor; - - dbg ("%s", __func__); - port->shadow_mcr &= ~MCR_DTR; - return TIWriteCommandSync (port->port->serial->dev, - UMPC_SET_CLR_DTR, - (__u8)(UMPM_UART1_PORT + port_number), - 0, /* clear */ - NULL, - 0); -} - -static int TISetRts (struct edgeport_port *port) -{ - int port_number = port->port->number - port->port->serial->minor; - - dbg ("%s", __func__); - port->shadow_mcr |= MCR_RTS; - - return TIWriteCommandSync (port->port->serial->dev, - UMPC_SET_CLR_RTS, - (__u8)(UMPM_UART1_PORT + port_number), - 1, /* set */ - NULL, - 0); -} - -static int TIClearRts (struct edgeport_port *port) -{ - int port_number = port->port->number - port->port->serial->minor; - - dbg ("%s", __func__); - port->shadow_mcr &= ~MCR_RTS; - - return TIWriteCommandSync (port->port->serial->dev, - UMPC_SET_CLR_RTS, - (__u8)(UMPM_UART1_PORT + port_number), - 0, /* clear */ - NULL, - 0); -} - -static int TISetLoopBack (struct edgeport_port *port) -{ - int port_number = port->port->number - port->port->serial->minor; - - dbg ("%s", __func__); - - return TIWriteCommandSync (port->port->serial->dev, - UMPC_SET_CLR_LOOPBACK, - (__u8)(UMPM_UART1_PORT + port_number), - 1, /* set */ - NULL, - 0); -} - -static int TIClearLoopBack (struct edgeport_port *port) -{ - int port_number = port->port->number - port->port->serial->minor; - - dbg ("%s", __func__); - - return TIWriteCommandSync (port->port->serial->dev, - UMPC_SET_CLR_LOOPBACK, - (__u8)(UMPM_UART1_PORT + port_number), - 0, /* clear */ - NULL, - 0); -} - -static int TISetBreak (struct edgeport_port *port) -{ - int port_number = port->port->number - port->port->serial->minor; - - dbg ("%s", __func__); - - return TIWriteCommandSync (port->port->serial->dev, - UMPC_SET_CLR_BREAK, - (__u8)(UMPM_UART1_PORT + port_number), - 1, /* set */ - NULL, - 0); -} - -static int TIClearBreak (struct edgeport_port *port) -{ - int port_number = port->port->number - port->port->serial->minor; - - dbg ("%s", __func__); - - return TIWriteCommandSync (port->port->serial->dev, - UMPC_SET_CLR_BREAK, - (__u8)(UMPM_UART1_PORT + port_number), - 0, /* clear */ - NULL, - 0); -} - -static int TIRestoreMCR (struct edgeport_port *port, __u8 mcr) +static int restore_mcr(struct edgeport_port *port, __u8 mcr) { int status = 0; - dbg ("%s - %x", __func__, mcr); - - if (mcr & MCR_DTR) - status = TISetDtr (port); - else - status = TIClearDtr (port); + dbg("%s - %x", __func__, mcr); + status = ti_do_config(port, UMPC_SET_CLR_DTR, mcr & MCR_DTR); if (status) return status; - - if (mcr & MCR_RTS) - status = TISetRts (port); - else - status = TIClearRts (port); - + status = ti_do_config(port, UMPC_SET_CLR_RTS, mcr & MCR_RTS); if (status) return status; - - if (mcr & MCR_LOOPBACK) - status = TISetLoopBack (port); - else - status = TIClearLoopBack (port); - - return status; + return ti_do_config(port, UMPC_SET_CLR_LOOPBACK, mcr & MCR_LOOPBACK); } - - /* Convert TI LSR to standard UART flags */ -static __u8 MapLineStatus (__u8 ti_lsr) +static __u8 map_line_status(__u8 ti_lsr) { __u8 lsr = 0; @@ -1647,22 +1520,23 @@ static __u8 MapLineStatus (__u8 ti_lsr) MAP_FLAG(UMP_UART_LSR_PE_MASK, LSR_PAR_ERR) /* parity error */ MAP_FLAG(UMP_UART_LSR_FE_MASK, LSR_FRM_ERR) /* framing error */ MAP_FLAG(UMP_UART_LSR_BR_MASK, LSR_BREAK) /* break detected */ - MAP_FLAG(UMP_UART_LSR_RX_MASK, LSR_RX_AVAIL) /* receive data available */ - MAP_FLAG(UMP_UART_LSR_TX_MASK, LSR_TX_EMPTY) /* transmit holding register empty */ + MAP_FLAG(UMP_UART_LSR_RX_MASK, LSR_RX_AVAIL) /* rx data available */ + MAP_FLAG(UMP_UART_LSR_TX_MASK, LSR_TX_EMPTY) /* tx hold reg empty */ #undef MAP_FLAG return lsr; } -static void handle_new_msr (struct edgeport_port *edge_port, __u8 msr) +static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr) { struct async_icount *icount; struct tty_struct *tty; - dbg ("%s - %02x", __func__, msr); + dbg("%s - %02x", __func__, msr); - if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR | EDGEPORT_MSR_DELTA_RI | EDGEPORT_MSR_DELTA_CD)) { + if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR | + EDGEPORT_MSR_DELTA_RI | EDGEPORT_MSR_DELTA_CD)) { icount = &edge_port->icount; /* update input line counters */ @@ -1674,7 +1548,7 @@ static void handle_new_msr (struct edgeport_port *edge_port, __u8 msr) icount->dcd++; if (msr & EDGEPORT_MSR_DELTA_RI) icount->rng++; - wake_up_interruptible (&edge_port->delta_msr_wait); + wake_up_interruptible(&edge_port->delta_msr_wait); } /* Save the new modem status */ @@ -1694,26 +1568,28 @@ static void handle_new_msr (struct edgeport_port *edge_port, __u8 msr) return; } -static void handle_new_lsr (struct edgeport_port *edge_port, int lsr_data, __u8 lsr, __u8 data) +static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data, + __u8 lsr, __u8 data) { struct async_icount *icount; - __u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR | LSR_FRM_ERR | LSR_BREAK)); + __u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR | + LSR_FRM_ERR | LSR_BREAK)); - dbg ("%s - %02x", __func__, new_lsr); + dbg("%s - %02x", __func__, new_lsr); edge_port->shadow_lsr = lsr; - if (new_lsr & LSR_BREAK) { + if (new_lsr & LSR_BREAK) /* * Parity and Framing errors only count if they * occur exclusive of a break being received. */ new_lsr &= (__u8)(LSR_OVER_ERR | LSR_BREAK); - } /* Place LSR data byte into Rx buffer */ if (lsr_data && edge_port->port->tty) - edge_tty_recv(&edge_port->port->dev, edge_port->port->tty, &data, 1); + edge_tty_recv(&edge_port->port->dev, edge_port->port->tty, + &data, 1); /* update input line counters */ icount = &edge_port->icount; @@ -1728,7 +1604,7 @@ static void handle_new_lsr (struct edgeport_port *edge_port, int lsr_data, __u8 } -static void edge_interrupt_callback (struct urb *urb) +static void edge_interrupt_callback(struct urb *urb) { struct edgeport_serial *edge_serial = urb->context; struct usb_serial_port *port; @@ -1762,66 +1638,71 @@ static void edge_interrupt_callback (struct urb *urb) } if (!length) { - dbg ("%s - no data in urb", __func__); + dbg("%s - no data in urb", __func__); goto exit; } - - usb_serial_debug_data(debug, &edge_serial->serial->dev->dev, __func__, length, data); - + + usb_serial_debug_data(debug, &edge_serial->serial->dev->dev, + __func__, length, data); + if (length != 2) { - dbg ("%s - expecting packet of size 2, got %d", __func__, length); + dbg("%s - expecting packet of size 2, got %d", + __func__, length); goto exit; } - port_number = TIUMP_GET_PORT_FROM_CODE (data[0]); - function = TIUMP_GET_FUNC_FROM_CODE (data[0]); - dbg ("%s - port_number %d, function %d, info 0x%x", + port_number = TIUMP_GET_PORT_FROM_CODE(data[0]); + function = TIUMP_GET_FUNC_FROM_CODE(data[0]); + dbg("%s - port_number %d, function %d, info 0x%x", __func__, port_number, function, data[1]); port = edge_serial->serial->port[port_number]; edge_port = usb_get_serial_port_data(port); if (!edge_port) { - dbg ("%s - edge_port not found", __func__); + dbg("%s - edge_port not found", __func__); return; } switch (function) { case TIUMP_INTERRUPT_CODE_LSR: - lsr = MapLineStatus(data[1]); + lsr = map_line_status(data[1]); if (lsr & UMP_UART_LSR_DATA_MASK) { - /* Save the LSR event for bulk read completion routine */ - dbg ("%s - LSR Event Port %u LSR Status = %02x", + /* Save the LSR event for bulk read + completion routine */ + dbg("%s - LSR Event Port %u LSR Status = %02x", __func__, port_number, lsr); edge_port->lsr_event = 1; edge_port->lsr_mask = lsr; } else { - dbg ("%s - ===== Port %d LSR Status = %02x ======", + dbg("%s - ===== Port %d LSR Status = %02x ======", __func__, port_number, lsr); - handle_new_lsr (edge_port, 0, lsr, 0); + handle_new_lsr(edge_port, 0, lsr, 0); } break; - case TIUMP_INTERRUPT_CODE_MSR: // MSR + case TIUMP_INTERRUPT_CODE_MSR: /* MSR */ /* Copy MSR from UMP */ msr = data[1]; - dbg ("%s - ===== Port %u MSR Status = %02x ======\n", + dbg("%s - ===== Port %u MSR Status = %02x ======\n", __func__, port_number, msr); - handle_new_msr (edge_port, msr); + handle_new_msr(edge_port, msr); break; default: - dev_err (&urb->dev->dev, "%s - Unknown Interrupt code from UMP %x\n", - __func__, data[1]); + dev_err(&urb->dev->dev, + "%s - Unknown Interrupt code from UMP %x\n", + __func__, data[1]); break; - + } exit: - retval = usb_submit_urb (urb, GFP_ATOMIC); + retval = usb_submit_urb(urb, GFP_ATOMIC); if (retval) - dev_err (&urb->dev->dev, "%s - usb_submit_urb failed with result %d\n", + dev_err(&urb->dev->dev, + "%s - usb_submit_urb failed with result %d\n", __func__, retval); } -static void edge_bulk_in_callback (struct urb *urb) +static void edge_bulk_in_callback(struct urb *urb) { struct edgeport_port *edge_port = urb->context; unsigned char *data = urb->transfer_buffer; @@ -1844,15 +1725,16 @@ static void edge_bulk_in_callback (struct urb *urb) __func__, status); return; default: - dev_err (&urb->dev->dev,"%s - nonzero read bulk status received: %d\n", - __func__, status); + dev_err(&urb->dev->dev, + "%s - nonzero read bulk status received: %d\n", + __func__, status); } if (status == -EPIPE) goto exit; if (status) { - dev_err(&urb->dev->dev,"%s - stopping read!\n", __func__); + dev_err(&urb->dev->dev, "%s - stopping read!\n", __func__); return; } @@ -1860,9 +1742,9 @@ static void edge_bulk_in_callback (struct urb *urb) if (edge_port->lsr_event) { edge_port->lsr_event = 0; - dbg ("%s ===== Port %u LSR Status = %02x, Data = %02x ======", + dbg("%s ===== Port %u LSR Status = %02x, Data = %02x ======", __func__, port_number, edge_port->lsr_mask, *data); - handle_new_lsr (edge_port, 1, edge_port->lsr_mask, *data); + handle_new_lsr(edge_port, 1, edge_port->lsr_mask, *data); /* Adjust buffer length/pointer */ --urb->actual_length; ++data; @@ -1870,13 +1752,14 @@ static void edge_bulk_in_callback (struct urb *urb) tty = edge_port->port->tty; if (tty && urb->actual_length) { - usb_serial_debug_data(debug, &edge_port->port->dev, __func__, urb->actual_length, data); - - if (edge_port->close_pending) { - dbg ("%s - close is pending, dropping data on the floor.", __func__); - } else { - edge_tty_recv(&edge_port->port->dev, tty, data, urb->actual_length); - } + usb_serial_debug_data(debug, &edge_port->port->dev, + __func__, urb->actual_length, data); + if (edge_port->close_pending) + dbg("%s - close pending, dropping data on the floor", + __func__); + else + edge_tty_recv(&edge_port->port->dev, tty, data, + urb->actual_length); edge_port->icount.rx += urb->actual_length; } @@ -1891,37 +1774,31 @@ exit: } spin_unlock(&edge_port->ep_lock); if (retval) - dev_err (&urb->dev->dev, "%s - usb_submit_urb failed with result %d\n", + dev_err(&urb->dev->dev, + "%s - usb_submit_urb failed with result %d\n", __func__, retval); } -static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned char *data, int length) +static void edge_tty_recv(struct device *dev, struct tty_struct *tty, + unsigned char *data, int length) { - int cnt; - - do { - cnt = tty_buffer_request_room(tty, length); - if (cnt < length) { - dev_err(dev, "%s - dropping data, %d bytes lost\n", - __func__, length - cnt); - if(cnt == 0) - break; - } - tty_insert_flip_string(tty, data, cnt); - data += cnt; - length -= cnt; - } while (length > 0); + int queued; + tty_buffer_request_room(tty, length); + queued = tty_insert_flip_string(tty, data, length); + if (queued < length) + dev_err(dev, "%s - dropping data, %d bytes lost\n", + __func__, length - queued); tty_flip_buffer_push(tty); } -static void edge_bulk_out_callback (struct urb *urb) +static void edge_bulk_out_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; struct edgeport_port *edge_port = usb_get_serial_port_data(port); int status = urb->status; - dbg ("%s - port %d", __func__, port->number); + dbg("%s - port %d", __func__, port->number); edge_port->ep_write_urb_in_use = 0; @@ -1945,7 +1822,7 @@ static void edge_bulk_out_callback (struct urb *urb) edge_send(port); } -static int edge_open (struct usb_serial_port *port, struct file * filp) +static int edge_open(struct usb_serial_port *port, struct file *filp) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); struct edgeport_serial *edge_serial; @@ -1965,118 +1842,119 @@ static int edge_open (struct usb_serial_port *port, struct file * filp) port_number = port->number - port->serial->minor; switch (port_number) { - case 0: - edge_port->uart_base = UMPMEM_BASE_UART1; - edge_port->dma_address = UMPD_OEDB1_ADDRESS; - break; - case 1: - edge_port->uart_base = UMPMEM_BASE_UART2; - edge_port->dma_address = UMPD_OEDB2_ADDRESS; - break; - default: - dev_err (&port->dev, "Unknown port number!!!\n"); - return -ENODEV; + case 0: + edge_port->uart_base = UMPMEM_BASE_UART1; + edge_port->dma_address = UMPD_OEDB1_ADDRESS; + break; + case 1: + edge_port->uart_base = UMPMEM_BASE_UART2; + edge_port->dma_address = UMPD_OEDB2_ADDRESS; + break; + default: + dev_err(&port->dev, "Unknown port number!!!\n"); + return -ENODEV; } - dbg ("%s - port_number = %d, uart_base = %04x, dma_address = %04x", - __func__, port_number, edge_port->uart_base, edge_port->dma_address); + dbg("%s - port_number = %d, uart_base = %04x, dma_address = %04x", + __func__, port_number, edge_port->uart_base, + edge_port->dma_address); dev = port->serial->dev; - memset (&(edge_port->icount), 0x00, sizeof(edge_port->icount)); - init_waitqueue_head (&edge_port->delta_msr_wait); + memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount)); + init_waitqueue_head(&edge_port->delta_msr_wait); /* turn off loopback */ - status = TIClearLoopBack (edge_port); + status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0); if (status) { - dev_err(&port->dev,"%s - cannot send clear loopback command, %d\n", + dev_err(&port->dev, + "%s - cannot send clear loopback command, %d\n", __func__, status); return status; } - + /* set up the port settings */ - edge_set_termios (port, port->tty->termios); + edge_set_termios(port, port->tty->termios); /* open up the port */ /* milliseconds to timeout for DMA transfer */ transaction_timeout = 2; - edge_port->ump_read_timeout = max (20, ((transaction_timeout * 3) / 2) ); + edge_port->ump_read_timeout = + max(20, ((transaction_timeout * 3) / 2)); - // milliseconds to timeout for DMA transfer - open_settings = (u8)(UMP_DMA_MODE_CONTINOUS | - UMP_PIPE_TRANS_TIMEOUT_ENA | + /* milliseconds to timeout for DMA transfer */ + open_settings = (u8)(UMP_DMA_MODE_CONTINOUS | + UMP_PIPE_TRANS_TIMEOUT_ENA | (transaction_timeout << 2)); - dbg ("%s - Sending UMPC_OPEN_PORT", __func__); + dbg("%s - Sending UMPC_OPEN_PORT", __func__); /* Tell TI to open and start the port */ - status = TIWriteCommandSync (dev, - UMPC_OPEN_PORT, - (u8)(UMPM_UART1_PORT + port_number), - open_settings, - NULL, - 0); + status = send_cmd(dev, UMPC_OPEN_PORT, + (u8)(UMPM_UART1_PORT + port_number), open_settings, NULL, 0); if (status) { - dev_err(&port->dev,"%s - cannot send open command, %d\n", __func__, status); + dev_err(&port->dev, "%s - cannot send open command, %d\n", + __func__, status); return status; } /* Start the DMA? */ - status = TIWriteCommandSync (dev, - UMPC_START_PORT, - (u8)(UMPM_UART1_PORT + port_number), - 0, - NULL, - 0); + status = send_cmd(dev, UMPC_START_PORT, + (u8)(UMPM_UART1_PORT + port_number), 0, NULL, 0); if (status) { - dev_err(&port->dev,"%s - cannot send start DMA command, %d\n", __func__, status); + dev_err(&port->dev, "%s - cannot send start DMA command, %d\n", + __func__, status); return status; } /* Clear TX and RX buffers in UMP */ - status = TIPurgeDataSync (port, UMP_PORT_DIR_OUT | UMP_PORT_DIR_IN); + status = purge_port(port, UMP_PORT_DIR_OUT | UMP_PORT_DIR_IN); if (status) { - dev_err(&port->dev,"%s - cannot send clear buffers command, %d\n", __func__, status); + dev_err(&port->dev, + "%s - cannot send clear buffers command, %d\n", + __func__, status); return status; } /* Read Initial MSR */ - status = TIReadVendorRequestSync (dev, - UMPC_READ_MSR, // Request - 0, // wValue - (__u16)(UMPM_UART1_PORT + port_number), // wIndex (Address) - &edge_port->shadow_msr, // TransferBuffer - 1); // TransferBufferLength + status = ti_vread_sync(dev, UMPC_READ_MSR, 0, + (__u16)(UMPM_UART1_PORT + port_number), + &edge_port->shadow_msr, 1); if (status) { - dev_err(&port->dev,"%s - cannot send read MSR command, %d\n", __func__, status); + dev_err(&port->dev, "%s - cannot send read MSR command, %d\n", + __func__, status); return status; } - dbg ("ShadowMSR 0x%X", edge_port->shadow_msr); - + dbg("ShadowMSR 0x%X", edge_port->shadow_msr); + /* Set Initial MCR */ edge_port->shadow_mcr = MCR_RTS | MCR_DTR; - dbg ("ShadowMCR 0x%X", edge_port->shadow_mcr); + dbg("ShadowMCR 0x%X", edge_port->shadow_mcr); edge_serial = edge_port->edge_serial; if (mutex_lock_interruptible(&edge_serial->es_lock)) return -ERESTARTSYS; if (edge_serial->num_ports_open == 0) { - /* we are the first port to be opened, let's post the interrupt urb */ + /* we are the first port to open, post the interrupt urb */ urb = edge_serial->serial->port[0]->interrupt_in_urb; if (!urb) { - dev_err (&port->dev, "%s - no interrupt urb present, exiting\n", __func__); + dev_err(&port->dev, + "%s - no interrupt urb present, exiting\n", + __func__); status = -EINVAL; goto release_es_lock; } urb->complete = edge_interrupt_callback; urb->context = edge_serial; urb->dev = dev; - status = usb_submit_urb (urb, GFP_KERNEL); + status = usb_submit_urb(urb, GFP_KERNEL); if (status) { - dev_err (&port->dev, "%s - usb_submit_urb failed with value %d\n", __func__, status); + dev_err(&port->dev, + "%s - usb_submit_urb failed with value %d\n", + __func__, status); goto release_es_lock; } } @@ -2085,13 +1963,14 @@ static int edge_open (struct usb_serial_port *port, struct file * filp) * reset the data toggle on the bulk endpoints to work around bug in * host controllers where things get out of sync some times */ - usb_clear_halt (dev, port->write_urb->pipe); - usb_clear_halt (dev, port->read_urb->pipe); + usb_clear_halt(dev, port->write_urb->pipe); + usb_clear_halt(dev, port->read_urb->pipe); /* start up our bulk read urb */ urb = port->read_urb; if (!urb) { - dev_err (&port->dev, "%s - no read urb present, exiting\n", __func__); + dev_err(&port->dev, "%s - no read urb present, exiting\n", + __func__); status = -EINVAL; goto unlink_int_urb; } @@ -2099,9 +1978,11 @@ static int edge_open (struct usb_serial_port *port, struct file * filp) urb->complete = edge_bulk_in_callback; urb->context = edge_port; urb->dev = dev; - status = usb_submit_urb (urb, GFP_KERNEL); + status = usb_submit_urb(urb, GFP_KERNEL); if (status) { - dev_err (&port->dev, "%s - read bulk usb_submit_urb failed with value %d\n", __func__, status); + dev_err(&port->dev, + "%s - read bulk usb_submit_urb failed with value %d\n", + __func__, status); goto unlink_int_urb; } @@ -2119,7 +2000,7 @@ release_es_lock: return status; } -static void edge_close (struct usb_serial_port *port, struct file *filp) +static void edge_close(struct usb_serial_port *port, struct file *filp) { struct edgeport_serial *edge_serial; struct edgeport_port *edge_port; @@ -2127,18 +2008,18 @@ static void edge_close (struct usb_serial_port *port, struct file *filp) int status; dbg("%s - port %d", __func__, port->number); - + edge_serial = usb_get_serial_data(port->serial); edge_port = usb_get_serial_port_data(port); - if ((edge_serial == NULL) || (edge_port == NULL)) + if (edge_serial == NULL || edge_port == NULL) return; - - /* The bulkreadcompletion routine will check + + /* The bulkreadcompletion routine will check * this flag and dump add read data */ edge_port->close_pending = 1; /* chase the port close and flush */ - TIChasePort (edge_port, (HZ*closing_wait)/100, 1); + chase_port(edge_port, (HZ * closing_wait) / 100, 1); usb_kill_urb(port->read_urb); usb_kill_urb(port->write_urb); @@ -2148,7 +2029,7 @@ static void edge_close (struct usb_serial_port *port, struct file *filp) * send a close port command to it */ dbg("%s - send umpc_close_port", __func__); port_number = port->number - port->serial->minor; - status = TIWriteCommandSync (port->serial->dev, + status = send_cmd(port->serial->dev, UMPC_CLOSE_PORT, (__u8)(UMPM_UART1_PORT + port_number), 0, @@ -2167,7 +2048,8 @@ static void edge_close (struct usb_serial_port *port, struct file *filp) dbg("%s - exited", __func__); } -static int edge_write (struct usb_serial_port *port, const unsigned char *data, int count) +static int edge_write(struct usb_serial_port *port, const unsigned char *data, + int count) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); unsigned long flags; @@ -2223,11 +2105,12 @@ static void edge_send(struct usb_serial_port *port) spin_unlock_irqrestore(&edge_port->ep_lock, flags); - usb_serial_debug_data(debug, &port->dev, __func__, count, port->write_urb->transfer_buffer); + usb_serial_debug_data(debug, &port->dev, __func__, count, + port->write_urb->transfer_buffer); /* set up our urb */ - usb_fill_bulk_urb (port->write_urb, port->serial->dev, - usb_sndbulkpipe (port->serial->dev, + usb_fill_bulk_urb(port->write_urb, port->serial->dev, + usb_sndbulkpipe(port->serial->dev, port->bulk_out_endpointAddress), port->write_urb->transfer_buffer, count, edge_bulk_out_callback, @@ -2236,22 +2119,21 @@ static void edge_send(struct usb_serial_port *port) /* send the data out the bulk port */ result = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (result) { - dev_err(&port->dev, "%s - failed submitting write urb, error %d\n", __func__, result); + dev_err(&port->dev, + "%s - failed submitting write urb, error %d\n", + __func__, result); edge_port->ep_write_urb_in_use = 0; - // TODO: reschedule edge_send - } else { + /* TODO: reschedule edge_send */ + } else edge_port->icount.tx += count; - } /* wakeup any process waiting for writes to complete */ /* there is now more room in the buffer for new writes */ - if (tty) { - /* let the tty driver wakeup if it has a special write_wakeup function */ + if (tty) tty_wakeup(tty); - } } -static int edge_write_room (struct usb_serial_port *port) +static int edge_write_room(struct usb_serial_port *port) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); int room = 0; @@ -2260,9 +2142,9 @@ static int edge_write_room (struct usb_serial_port *port) dbg("%s - port %d", __func__, port->number); if (edge_port == NULL) - return -ENODEV; + return 0; if (edge_port->close_pending == 1) - return -ENODEV; + return 0; spin_lock_irqsave(&edge_port->ep_lock, flags); room = edge_buf_space_avail(edge_port->ep_out_buf); @@ -2272,7 +2154,7 @@ static int edge_write_room (struct usb_serial_port *port) return room; } -static int edge_chars_in_buffer (struct usb_serial_port *port) +static int edge_chars_in_buffer(struct usb_serial_port *port) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); int chars = 0; @@ -2281,22 +2163,22 @@ static int edge_chars_in_buffer (struct usb_serial_port *port) dbg("%s - port %d", __func__, port->number); if (edge_port == NULL) - return -ENODEV; + return 0; if (edge_port->close_pending == 1) - return -ENODEV; + return 0; spin_lock_irqsave(&edge_port->ep_lock, flags); chars = edge_buf_data_avail(edge_port->ep_out_buf); spin_unlock_irqrestore(&edge_port->ep_lock, flags); - dbg ("%s - returns %d", __func__, chars); + dbg("%s - returns %d", __func__, chars); return chars; } -static void edge_throttle (struct usb_serial_port *port) +static void edge_throttle(struct usb_serial_port *port) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); - struct tty_struct *tty; + struct tty_struct *tty = port->tty; int status; dbg("%s - port %d", __func__, port->number); @@ -2304,19 +2186,14 @@ static void edge_throttle (struct usb_serial_port *port) if (edge_port == NULL) return; - tty = port->tty; - if (!tty) { - dbg ("%s - no tty available", __func__); - return; - } - /* if we are implementing XON/XOFF, send the stop character */ if (I_IXOFF(tty)) { unsigned char stop_char = STOP_CHAR(tty); - status = edge_write (port, &stop_char, 1); - if (status <= 0) { - dev_err(&port->dev, "%s - failed to write stop character, %d\n", __func__, status); - } + status = edge_write(port, &stop_char, 1); + if (status <= 0) + dev_err(&port->dev, + "%s - failed to write stop character, %d\n", + __func__, status); } /* if we are implementing RTS/CTS, stop reads */ @@ -2326,10 +2203,10 @@ static void edge_throttle (struct usb_serial_port *port) } -static void edge_unthrottle (struct usb_serial_port *port) +static void edge_unthrottle(struct usb_serial_port *port) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); - struct tty_struct *tty; + struct tty_struct *tty = port->tty; int status; dbg("%s - port %d", __func__, port->number); @@ -2337,27 +2214,23 @@ static void edge_unthrottle (struct usb_serial_port *port) if (edge_port == NULL) return; - tty = port->tty; - if (!tty) { - dbg ("%s - no tty available", __func__); - return; - } - /* if we are implementing XON/XOFF, send the start character */ if (I_IXOFF(tty)) { unsigned char start_char = START_CHAR(tty); - status = edge_write (port, &start_char, 1); - if (status <= 0) { - dev_err(&port->dev, "%s - failed to write start character, %d\n", __func__, status); - } + status = edge_write(port, &start_char, 1); + if (status <= 0) + dev_err(&port->dev, + "%s - failed to write start character, %d\n", + __func__, status); } - /* if we are implementing RTS/CTS, restart reads */ /* are the Edgeport will assert the RTS line */ if (C_CRTSCTS(tty)) { status = restart_read(edge_port); if (status) - dev_err(&port->dev, "%s - read bulk usb_submit_urb failed with value %d\n", __func__, status); + dev_err(&port->dev, + "%s - read bulk usb_submit_urb failed: %d\n", + __func__, status); } } @@ -2398,22 +2271,26 @@ static int restart_read(struct edgeport_port *edge_port) return status; } -static void change_port_settings (struct edgeport_port *edge_port, struct ktermios *old_termios) +static void change_port_settings(struct edgeport_port *edge_port, + struct ktermios *old_termios) { struct ump_uart_config *config; struct tty_struct *tty; int baud; unsigned cflag; int status; - int port_number = edge_port->port->number - edge_port->port->serial->minor; + int port_number = edge_port->port->number - + edge_port->port->serial->minor; dbg("%s - port %d", __func__, edge_port->port->number); tty = edge_port->port->tty; - config = kmalloc (sizeof (*config), GFP_KERNEL); + config = kmalloc(sizeof(*config), GFP_KERNEL); if (!config) { - dev_err (&edge_port->port->dev, "%s - out of memory\n", __func__); + *tty->termios = *old_termios; + dev_err(&edge_port->port->dev, "%s - out of memory\n", + __func__); return; } @@ -2427,22 +2304,22 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi config->bUartMode = (__u8)(edge_port->bUartMode); switch (cflag & CSIZE) { - case CS5: - config->bDataBits = UMP_UART_CHAR5BITS; - dbg ("%s - data bits = 5", __func__); - break; - case CS6: - config->bDataBits = UMP_UART_CHAR6BITS; - dbg ("%s - data bits = 6", __func__); - break; - case CS7: - config->bDataBits = UMP_UART_CHAR7BITS; - dbg ("%s - data bits = 7", __func__); - break; - default: - case CS8: - config->bDataBits = UMP_UART_CHAR8BITS; - dbg ("%s - data bits = 8", __func__); + case CS5: + config->bDataBits = UMP_UART_CHAR5BITS; + dbg("%s - data bits = 5", __func__); + break; + case CS6: + config->bDataBits = UMP_UART_CHAR6BITS; + dbg("%s - data bits = 6", __func__); + break; + case CS7: + config->bDataBits = UMP_UART_CHAR7BITS; + dbg("%s - data bits = 7", __func__); + break; + default: + case CS8: + config->bDataBits = UMP_UART_CHAR8BITS; + dbg("%s - data bits = 8", __func__); break; } @@ -2457,7 +2334,7 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi dbg("%s - parity = even", __func__); } } else { - config->bParity = UMP_UART_NOPARITY; + config->bParity = UMP_UART_NOPARITY; dbg("%s - parity = none", __func__); } @@ -2480,29 +2357,26 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi restart_read(edge_port); } - /* if we are implementing XON/XOFF, set the start and stop character in the device */ - if (I_IXOFF(tty) || I_IXON(tty)) { - config->cXon = START_CHAR(tty); - config->cXoff = STOP_CHAR(tty); + /* if we are implementing XON/XOFF, set the start and stop + character in the device */ + config->cXon = START_CHAR(tty); + config->cXoff = STOP_CHAR(tty); - /* if we are implementing INBOUND XON/XOFF */ - if (I_IXOFF(tty)) { - config->wFlags |= UMP_MASK_UART_FLAGS_IN_X; - dbg ("%s - INBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", - __func__, config->cXon, config->cXoff); - } else { - dbg ("%s - INBOUND XON/XOFF is disabled", __func__); - } + /* if we are implementing INBOUND XON/XOFF */ + if (I_IXOFF(tty)) { + config->wFlags |= UMP_MASK_UART_FLAGS_IN_X; + dbg("%s - INBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", + __func__, config->cXon, config->cXoff); + } else + dbg("%s - INBOUND XON/XOFF is disabled", __func__); - /* if we are implementing OUTBOUND XON/XOFF */ - if (I_IXON(tty)) { - config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X; - dbg ("%s - OUTBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", - __func__, config->cXon, config->cXoff); - } else { - dbg ("%s - OUTBOUND XON/XOFF is disabled", __func__); - } - } + /* if we are implementing OUTBOUND XON/XOFF */ + if (I_IXON(tty)) { + config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X; + dbg("%s - OUTBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", + __func__, config->cXon, config->cXoff); + } else + dbg("%s - OUTBOUND XON/XOFF is disabled", __func__); tty->termios->c_cflag &= ~CMSPAR; @@ -2519,62 +2393,52 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi /* FIXME: Recompute actual baud from divisor here */ - dbg ("%s - baud rate = %d, wBaudRate = %d", __func__, baud, config->wBaudRate); + dbg("%s - baud rate = %d, wBaudRate = %d", __func__, baud, + config->wBaudRate); - dbg ("wBaudRate: %d", (int)(461550L / config->wBaudRate)); - dbg ("wFlags: 0x%x", config->wFlags); - dbg ("bDataBits: %d", config->bDataBits); - dbg ("bParity: %d", config->bParity); - dbg ("bStopBits: %d", config->bStopBits); - dbg ("cXon: %d", config->cXon); - dbg ("cXoff: %d", config->cXoff); - dbg ("bUartMode: %d", config->bUartMode); + dbg("wBaudRate: %d", (int)(461550L / config->wBaudRate)); + dbg("wFlags: 0x%x", config->wFlags); + dbg("bDataBits: %d", config->bDataBits); + dbg("bParity: %d", config->bParity); + dbg("bStopBits: %d", config->bStopBits); + dbg("cXon: %d", config->cXon); + dbg("cXoff: %d", config->cXoff); + dbg("bUartMode: %d", config->bUartMode); /* move the word values into big endian mode */ - cpu_to_be16s (&config->wFlags); - cpu_to_be16s (&config->wBaudRate); + cpu_to_be16s(&config->wFlags); + cpu_to_be16s(&config->wBaudRate); - status = TIWriteCommandSync (edge_port->port->serial->dev, - UMPC_SET_CONFIG, + status = send_cmd(edge_port->port->serial->dev, UMPC_SET_CONFIG, (__u8)(UMPM_UART1_PORT + port_number), - 0, - (__u8 *)config, - sizeof(*config)); - if (status) { - dbg ("%s - error %d when trying to write config to device", + 0, (__u8 *)config, sizeof(*config)); + if (status) + dbg("%s - error %d when trying to write config to device", __func__, status); - } - - kfree (config); - + kfree(config); return; } -static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old_termios) +static void edge_set_termios(struct usb_serial_port *port, + struct ktermios *old_termios) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); struct tty_struct *tty = port->tty; - unsigned int cflag; - - cflag = tty->termios->c_cflag; dbg("%s - clfag %08x iflag %08x", __func__, tty->termios->c_cflag, tty->termios->c_iflag); dbg("%s - old clfag %08x old iflag %08x", __func__, old_termios->c_cflag, old_termios->c_iflag); - dbg("%s - port %d", __func__, port->number); if (edge_port == NULL) return; - /* change the port settings to the new ones specified */ - change_port_settings (edge_port, old_termios); - - return; + change_port_settings(edge_port, old_termios); } -static int edge_tiocmset (struct usb_serial_port *port, struct file *file, unsigned int set, unsigned int clear) +static int edge_tiocmset(struct usb_serial_port *port, struct file *file, + unsigned int set, unsigned int clear) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); unsigned int mcr; @@ -2601,8 +2465,7 @@ static int edge_tiocmset (struct usb_serial_port *port, struct file *file, unsig edge_port->shadow_mcr = mcr; spin_unlock_irqrestore(&edge_port->ep_lock, flags); - TIRestoreMCR (edge_port, mcr); - + restore_mcr(edge_port, mcr); return 0; } @@ -2634,7 +2497,8 @@ static int edge_tiocmget(struct usb_serial_port *port, struct file *file) return result; } -static int get_serial_info (struct edgeport_port *edge_port, struct serial_struct __user *retinfo) +static int get_serial_info(struct edgeport_port *edge_port, + struct serial_struct __user *retinfo) { struct serial_struct tmp; @@ -2652,17 +2516,14 @@ static int get_serial_info (struct edgeport_port *edge_port, struct serial_struc tmp.baud_base = 9600; tmp.close_delay = 5*HZ; tmp.closing_wait = closing_wait; -// tmp.custom_divisor = state->custom_divisor; -// tmp.hub6 = state->hub6; -// tmp.io_type = state->io_type; - if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) return -EFAULT; return 0; } -static int edge_ioctl (struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg) +static int edge_ioctl(struct usb_serial_port *port, struct file *file, + unsigned int cmd, unsigned long arg) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); struct async_icount cnow; @@ -2671,81 +2532,63 @@ static int edge_ioctl (struct usb_serial_port *port, struct file *file, unsigned dbg("%s - port %d, cmd = 0x%x", __func__, port->number, cmd); switch (cmd) { - case TIOCINQ: - dbg("%s - (%d) TIOCINQ", __func__, port->number); -// return get_number_bytes_avail(edge_port, (unsigned int *) arg); - break; - - case TIOCSERGETLSR: - dbg("%s - (%d) TIOCSERGETLSR", __func__, port->number); -// return get_lsr_info(edge_port, (unsigned int *) arg); - break; - - case TIOCGSERIAL: - dbg("%s - (%d) TIOCGSERIAL", __func__, port->number); - return get_serial_info(edge_port, (struct serial_struct __user *) arg); - break; - - case TIOCSSERIAL: - dbg("%s - (%d) TIOCSSERIAL", __func__, port->number); - break; - - case TIOCMIWAIT: - dbg("%s - (%d) TIOCMIWAIT", __func__, port->number); - cprev = edge_port->icount; - while (1) { - interruptible_sleep_on(&edge_port->delta_msr_wait); - /* see if a signal did it */ - if (signal_pending(current)) - return -ERESTARTSYS; - cnow = edge_port->icount; - if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && - cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) - return -EIO; /* no change => error */ - if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || - ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || - ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || - ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)) ) { - return 0; - } - cprev = cnow; + case TIOCGSERIAL: + dbg("%s - (%d) TIOCGSERIAL", __func__, port->number); + return get_serial_info(edge_port, + (struct serial_struct __user *) arg); + case TIOCMIWAIT: + dbg("%s - (%d) TIOCMIWAIT", __func__, port->number); + cprev = edge_port->icount; + while (1) { + interruptible_sleep_on(&edge_port->delta_msr_wait); + /* see if a signal did it */ + if (signal_pending(current)) + return -ERESTARTSYS; + cnow = edge_port->icount; + if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && + cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) + return -EIO; /* no change => error */ + if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || + ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || + ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || + ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) { + return 0; } - /* not reached */ - break; - - case TIOCGICOUNT: - dbg ("%s - (%d) TIOCGICOUNT RX=%d, TX=%d", __func__, - port->number, edge_port->icount.rx, edge_port->icount.tx); - if (copy_to_user((void __user *)arg, &edge_port->icount, sizeof(edge_port->icount))) - return -EFAULT; - return 0; + cprev = cnow; + } + /* not reached */ + break; + case TIOCGICOUNT: + dbg("%s - (%d) TIOCGICOUNT RX=%d, TX=%d", __func__, + port->number, edge_port->icount.rx, edge_port->icount.tx); + if (copy_to_user((void __user *)arg, &edge_port->icount, + sizeof(edge_port->icount))) + return -EFAULT; + return 0; } - return -ENOIOCTLCMD; } -static void edge_break (struct usb_serial_port *port, int break_state) +static void edge_break(struct usb_serial_port *port, int on) { struct edgeport_port *edge_port = usb_get_serial_port_data(port); int status; + int bv = 0; /* Off */ - dbg ("%s - state = %d", __func__, break_state); + dbg("%s - state = %d", __func__, on); /* chase the port close */ - TIChasePort (edge_port, 0, 0); + chase_port(edge_port, 0, 0); - if (break_state == -1) { - status = TISetBreak (edge_port); - } else { - status = TIClearBreak (edge_port); - } - if (status) { - dbg ("%s - error %d sending break set/clear command.", + if (on == -1) + bv = 1; /* On */ + status = ti_do_config(edge_port, UMPC_SET_CLR_BREAK, bv); + if (status) + dbg("%s - error %d sending break set/clear command.", __func__, status); - } } -static int edge_startup (struct usb_serial *serial) +static int edge_startup(struct usb_serial *serial) { struct edgeport_serial *edge_serial; struct edgeport_port *edge_port; @@ -2765,9 +2608,9 @@ static int edge_startup (struct usb_serial *serial) edge_serial->serial = serial; usb_set_serial_data(serial, edge_serial); - status = TIDownloadFirmware (edge_serial); + status = download_fw(edge_serial); if (status) { - kfree (edge_serial); + kfree(edge_serial); return status; } @@ -2775,13 +2618,15 @@ static int edge_startup (struct usb_serial *serial) for (i = 0; i < serial->num_ports; ++i) { edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL); if (edge_port == NULL) { - dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__); + dev_err(&serial->dev->dev, "%s - Out of memory\n", + __func__); goto cleanup; } spin_lock_init(&edge_port->ep_lock); edge_port->ep_out_buf = edge_buf_alloc(EDGE_OUT_BUF_SIZE); if (edge_port->ep_out_buf == NULL) { - dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__); + dev_err(&serial->dev->dev, "%s - Out of memory\n", + __func__); kfree(edge_port); goto cleanup; } @@ -2790,27 +2635,27 @@ static int edge_startup (struct usb_serial *serial) usb_set_serial_port_data(serial->port[i], edge_port); edge_port->bUartMode = default_uart_mode; } - + return 0; cleanup: - for (--i; i>=0; --i) { + for (--i; i >= 0; --i) { edge_port = usb_get_serial_port_data(serial->port[i]); edge_buf_free(edge_port->ep_out_buf); kfree(edge_port); usb_set_serial_port_data(serial->port[i], NULL); } - kfree (edge_serial); + kfree(edge_serial); usb_set_serial_data(serial, NULL); return -ENOMEM; } -static void edge_shutdown (struct usb_serial *serial) +static void edge_shutdown(struct usb_serial *serial) { int i; struct edgeport_port *edge_port; - dbg ("%s", __func__); + dbg("%s", __func__); for (i = 0; i < serial->num_ports; ++i) { edge_port = usb_get_serial_port_data(serial->port[i]); @@ -2852,7 +2697,8 @@ static ssize_t store_uart_mode(struct device *dev, return count; } -static DEVICE_ATTR(uart_mode, S_IWUSR | S_IRUGO, show_uart_mode, store_uart_mode); +static DEVICE_ATTR(uart_mode, S_IWUSR | S_IRUGO, show_uart_mode, + store_uart_mode); static int edge_create_sysfs_attrs(struct usb_serial_port *port) { @@ -2922,9 +2768,9 @@ static void edge_buf_free(struct edge_buf *eb) static void edge_buf_clear(struct edge_buf *eb) { - if (eb != NULL) - eb->buf_get = eb->buf_put; - /* equivalent to a get of all data available */ + if (eb != NULL) + eb->buf_get = eb->buf_put; + /* equivalent to a get of all data available */ } @@ -2937,10 +2783,9 @@ static void edge_buf_clear(struct edge_buf *eb) static unsigned int edge_buf_data_avail(struct edge_buf *eb) { - if (eb != NULL) - return ((eb->buf_size + eb->buf_put - eb->buf_get) % eb->buf_size); - else + if (eb == NULL) return 0; + return ((eb->buf_size + eb->buf_put - eb->buf_get) % eb->buf_size); } @@ -2953,10 +2798,9 @@ static unsigned int edge_buf_data_avail(struct edge_buf *eb) static unsigned int edge_buf_space_avail(struct edge_buf *eb) { - if (eb != NULL) - return ((eb->buf_size + eb->buf_get - eb->buf_put - 1) % eb->buf_size); - else + if (eb == NULL) return 0; + return ((eb->buf_size + eb->buf_get - eb->buf_put - 1) % eb->buf_size); } @@ -3113,7 +2957,7 @@ static int __init edgeport_init(void) if (retval) goto failed_2port_device_register; retval = usb_register(&io_driver); - if (retval) + if (retval) goto failed_usb_register; info(DRIVER_DESC " " DRIVER_VERSION); return 0; @@ -3125,11 +2969,11 @@ failed_1port_device_register: return retval; } -static void __exit edgeport_exit (void) +static void __exit edgeport_exit(void) { - usb_deregister (&io_driver); - usb_serial_deregister (&edgeport_1port_device); - usb_serial_deregister (&edgeport_2port_device); + usb_deregister(&io_driver); + usb_serial_deregister(&edgeport_1port_device); + usb_serial_deregister(&edgeport_2port_device); } module_init(edgeport_init); @@ -3151,8 +2995,8 @@ module_param(closing_wait, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs"); module_param(ignore_cpu_rev, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(ignore_cpu_rev, "Ignore the cpu revision when connecting to a device"); +MODULE_PARM_DESC(ignore_cpu_rev, + "Ignore the cpu revision when connecting to a device"); module_param(default_uart_mode, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(default_uart_mode, "Default uart_mode, 0=RS232, ..."); - diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index d9fb3768a2d7..80d9ec5570d6 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -646,12 +646,13 @@ static int ipaq_open(struct usb_serial_port *port, struct file *filp) */ kfree(port->bulk_in_buffer); - kfree(port->bulk_out_buffer); port->bulk_in_buffer = kmalloc(URBDATA_SIZE, GFP_KERNEL); if (port->bulk_in_buffer == NULL) { port->bulk_out_buffer = NULL; /* prevent double free */ goto enomem; } + + kfree(port->bulk_out_buffer); port->bulk_out_buffer = kmalloc(URBDATA_SIZE, GFP_KERNEL); if (port->bulk_out_buffer == NULL) { kfree(port->bulk_in_buffer); diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index 004d57385a75..0063c11c8081 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -19,7 +19,12 @@ * was written by Roman Weissgaerber <weissg@vienna.at>, Dag Brattli * <dag@brattli.net>, and Jean Tourrilhes <jt@hpl.hp.com> * - * See Documentation/usb/usb-serial.txt for more information on using this driver + * See Documentation/usb/usb-serial.txt for more information on using this + * driver + * + * 2008_Jun_02 Felipe Balbi <me@felipebalbi.com> + * Introduced common header to be used also in USB Gadget Framework. + * Still needs some other style fixes. * * 2007_Jun_21 Alan Cox <alan@redhat.com> * Minimal cleanups for some of the driver problens and tty layer abuse. @@ -59,9 +64,10 @@ #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/usb/irda.h> /* * Version Information @@ -70,100 +76,75 @@ #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>" #define DRIVER_DESC "USB IR Dongle driver" -/* USB IrDA class spec information */ -#define USB_CLASS_IRDA 0x02 -#define USB_DT_IRDA 0x21 -#define IU_REQ_GET_CLASS_DESC 0x06 -#define SPEED_2400 0x01 -#define SPEED_9600 0x02 -#define SPEED_19200 0x03 -#define SPEED_38400 0x04 -#define SPEED_57600 0x05 -#define SPEED_115200 0x06 -#define SPEED_576000 0x07 -#define SPEED_1152000 0x08 -#define SPEED_4000000 0x09 - -struct irda_class_desc { - u8 bLength; - u8 bDescriptorType; - u16 bcdSpecRevision; - u8 bmDataSize; - u8 bmWindowSize; - u8 bmMinTurnaroundTime; - u16 wBaudRate; - u8 bmAdditionalBOFs; - u8 bIrdaRateSniff; - u8 bMaxUnicastList; -} __attribute__ ((packed)); - static int debug; /* if overridden by the user, then use their value for the size of the read and * write urbs */ static int buffer_size; + /* if overridden by the user, then use the specified number of XBOFs */ static int xbof = -1; -static int ir_startup (struct usb_serial *serial); -static int ir_open (struct usb_serial_port *port, struct file *filep); -static void ir_close (struct usb_serial_port *port, struct file *filep); -static int ir_write (struct usb_serial_port *port, const unsigned char *buf, int count); -static void ir_write_bulk_callback (struct urb *urb); -static void ir_read_bulk_callback (struct urb *urb); -static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_termios); +static int ir_startup(struct usb_serial *serial); +static int ir_open(struct usb_serial_port *port, struct file *filep); +static void ir_close(struct usb_serial_port *port, struct file *filep); +static int ir_write(struct usb_serial_port *port, + const unsigned char *buf, int count); +static void ir_write_bulk_callback(struct urb *urb); +static void ir_read_bulk_callback(struct urb *urb); +static void ir_set_termios(struct usb_serial_port *port, + struct ktermios *old_termios); /* Not that this lot means you can only have one per system */ -static u8 ir_baud = 0; -static u8 ir_xbof = 0; -static u8 ir_add_bof = 0; +static u8 ir_baud; +static u8 ir_xbof; +static u8 ir_add_bof; -static struct usb_device_id id_table [] = { +static struct usb_device_id ir_id_table[] = { { USB_DEVICE(0x050f, 0x0180) }, /* KC Technology, KC-180 */ { USB_DEVICE(0x08e9, 0x0100) }, /* XTNDAccess */ { USB_DEVICE(0x09c4, 0x0011) }, /* ACTiSys ACT-IR2000U */ - { USB_INTERFACE_INFO (USB_CLASS_APP_SPEC, USB_CLASS_IRDA, 0) }, + { USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, USB_SUBCLASS_IRDA, 0) }, { } /* Terminating entry */ }; -MODULE_DEVICE_TABLE (usb, id_table); +MODULE_DEVICE_TABLE(usb, ir_id_table); static struct usb_driver ir_driver = { - .name = "ir-usb", - .probe = usb_serial_probe, - .disconnect = usb_serial_disconnect, - .id_table = id_table, - .no_dynamic_id = 1, + .name = "ir-usb", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = ir_id_table, + .no_dynamic_id = 1, }; - static struct usb_serial_driver ir_device = { - .driver = { - .owner = THIS_MODULE, - .name = "ir-usb", + .driver = { + .owner = THIS_MODULE, + .name = "ir-usb", }, - .description = "IR Dongle", - .usb_driver = &ir_driver, - .id_table = id_table, - .num_ports = 1, - .set_termios = ir_set_termios, - .attach = ir_startup, - .open = ir_open, - .close = ir_close, - .write = ir_write, - .write_bulk_callback = ir_write_bulk_callback, - .read_bulk_callback = ir_read_bulk_callback, + .description = "IR Dongle", + .usb_driver = &ir_driver, + .id_table = ir_id_table, + .num_ports = 1, + .set_termios = ir_set_termios, + .attach = ir_startup, + .open = ir_open, + .close = ir_close, + .write = ir_write, + .write_bulk_callback = ir_write_bulk_callback, + .read_bulk_callback = ir_read_bulk_callback, }; -static inline void irda_usb_dump_class_desc(struct irda_class_desc *desc) +static inline void irda_usb_dump_class_desc(struct usb_irda_cs_descriptor *desc) { dbg("bLength=%x", desc->bLength); dbg("bDescriptorType=%x", desc->bDescriptorType); - dbg("bcdSpecRevision=%x", desc->bcdSpecRevision); + dbg("bcdSpecRevision=%x", __le16_to_cpu(desc->bcdSpecRevision)); dbg("bmDataSize=%x", desc->bmDataSize); dbg("bmWindowSize=%x", desc->bmWindowSize); dbg("bmMinTurnaroundTime=%d", desc->bmMinTurnaroundTime); - dbg("wBaudRate=%x", desc->wBaudRate); + dbg("wBaudRate=%x", __le16_to_cpu(desc->wBaudRate)); dbg("bmAdditionalBOFs=%x", desc->bmAdditionalBOFs); dbg("bIrdaRateSniff=%x", desc->bIrdaRateSniff); dbg("bMaxUnicastList=%x", desc->bMaxUnicastList); @@ -181,35 +162,37 @@ static inline void irda_usb_dump_class_desc(struct irda_class_desc *desc) * * Based on the same function in drivers/net/irda/irda-usb.c */ -static struct irda_class_desc *irda_usb_find_class_desc(struct usb_device *dev, unsigned int ifnum) +static struct usb_irda_cs_descriptor * +irda_usb_find_class_desc(struct usb_device *dev, unsigned int ifnum) { - struct irda_class_desc *desc; + struct usb_irda_cs_descriptor *desc; int ret; - - desc = kzalloc(sizeof (struct irda_class_desc), GFP_KERNEL); - if (desc == NULL) + + desc = kzalloc(sizeof(*desc), GFP_KERNEL); + if (!desc) return NULL; - - ret = usb_control_msg(dev, usb_rcvctrlpipe(dev,0), - IU_REQ_GET_CLASS_DESC, + + ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + USB_REQ_CS_IRDA_GET_CLASS_DESC, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, ifnum, desc, sizeof(*desc), 1000); - + dbg("%s - ret=%d", __func__, ret); if (ret < sizeof(*desc)) { dbg("%s - class descriptor read %s (%d)", __func__, - (ret<0) ? "failed" : "too short", + (ret < 0) ? "failed" : "too short", ret); goto error; } - if (desc->bDescriptorType != USB_DT_IRDA) { + if (desc->bDescriptorType != USB_DT_CS_IRDA) { dbg("%s - bad class descriptor type", __func__); goto error; } - + irda_usb_dump_class_desc(desc); return desc; + error: kfree(desc); return NULL; @@ -219,64 +202,100 @@ error: static u8 ir_xbof_change(u8 xbof) { u8 result; + /* reference irda-usb.c */ - switch(xbof) { - case 48: result = 0x10; break; - case 28: - case 24: result = 0x20; break; - default: - case 12: result = 0x30; break; - case 5: - case 6: result = 0x40; break; - case 3: result = 0x50; break; - case 2: result = 0x60; break; - case 1: result = 0x70; break; - case 0: result = 0x80; break; + switch (xbof) { + case 48: + result = 0x10; + break; + case 28: + case 24: + result = 0x20; + break; + default: + case 12: + result = 0x30; + break; + case 5: + case 6: + result = 0x40; + break; + case 3: + result = 0x50; + break; + case 2: + result = 0x60; + break; + case 1: + result = 0x70; + break; + case 0: + result = 0x80; + break; } + return(result); } -static int ir_startup (struct usb_serial *serial) +static int ir_startup(struct usb_serial *serial) { - struct irda_class_desc *irda_desc; + struct usb_irda_cs_descriptor *irda_desc; - irda_desc = irda_usb_find_class_desc (serial->dev, 0); - if (irda_desc == NULL) { - dev_err (&serial->dev->dev, "IRDA class descriptor not found, device not bound\n"); + irda_desc = irda_usb_find_class_desc(serial->dev, 0); + if (!irda_desc) { + dev_err(&serial->dev->dev, + "IRDA class descriptor not found, device not bound\n"); return -ENODEV; } - dbg ("%s - Baud rates supported:%s%s%s%s%s%s%s%s%s", + dbg("%s - Baud rates supported:%s%s%s%s%s%s%s%s%s", __func__, - (irda_desc->wBaudRate & 0x0001) ? " 2400" : "", - (irda_desc->wBaudRate & 0x0002) ? " 9600" : "", - (irda_desc->wBaudRate & 0x0004) ? " 19200" : "", - (irda_desc->wBaudRate & 0x0008) ? " 38400" : "", - (irda_desc->wBaudRate & 0x0010) ? " 57600" : "", - (irda_desc->wBaudRate & 0x0020) ? " 115200" : "", - (irda_desc->wBaudRate & 0x0040) ? " 576000" : "", - (irda_desc->wBaudRate & 0x0080) ? " 1152000" : "", - (irda_desc->wBaudRate & 0x0100) ? " 4000000" : ""); - - switch( irda_desc->bmAdditionalBOFs ) { - case 0x01: ir_add_bof = 48; break; - case 0x02: ir_add_bof = 24; break; - case 0x04: ir_add_bof = 12; break; - case 0x08: ir_add_bof = 6; break; - case 0x10: ir_add_bof = 3; break; - case 0x20: ir_add_bof = 2; break; - case 0x40: ir_add_bof = 1; break; - case 0x80: ir_add_bof = 0; break; - default:; + (irda_desc->wBaudRate & USB_IRDA_BR_2400) ? " 2400" : "", + (irda_desc->wBaudRate & USB_IRDA_BR_9600) ? " 9600" : "", + (irda_desc->wBaudRate & USB_IRDA_BR_19200) ? " 19200" : "", + (irda_desc->wBaudRate & USB_IRDA_BR_38400) ? " 38400" : "", + (irda_desc->wBaudRate & USB_IRDA_BR_57600) ? " 57600" : "", + (irda_desc->wBaudRate & USB_IRDA_BR_115200) ? " 115200" : "", + (irda_desc->wBaudRate & USB_IRDA_BR_576000) ? " 576000" : "", + (irda_desc->wBaudRate & USB_IRDA_BR_1152000) ? " 1152000" : "", + (irda_desc->wBaudRate & USB_IRDA_BR_4000000) ? " 4000000" : ""); + + switch (irda_desc->bmAdditionalBOFs) { + case USB_IRDA_AB_48: + ir_add_bof = 48; + break; + case USB_IRDA_AB_24: + ir_add_bof = 24; + break; + case USB_IRDA_AB_12: + ir_add_bof = 12; + break; + case USB_IRDA_AB_6: + ir_add_bof = 6; + break; + case USB_IRDA_AB_3: + ir_add_bof = 3; + break; + case USB_IRDA_AB_2: + ir_add_bof = 2; + break; + case USB_IRDA_AB_1: + ir_add_bof = 1; + break; + case USB_IRDA_AB_0: + ir_add_bof = 0; + break; + default: + break; } - kfree (irda_desc); + kfree(irda_desc); - return 0; + return 0; } -static int ir_open (struct usb_serial_port *port, struct file *filp) +static int ir_open(struct usb_serial_port *port, struct file *filp) { char *buffer; int result = 0; @@ -285,51 +304,55 @@ static int ir_open (struct usb_serial_port *port, struct file *filp) if (buffer_size) { /* override the default buffer sizes */ - buffer = kmalloc (buffer_size, GFP_KERNEL); + buffer = kmalloc(buffer_size, GFP_KERNEL); if (!buffer) { - dev_err (&port->dev, "%s - out of memory.\n", __func__); + dev_err(&port->dev, "%s - out of memory.\n", __func__); return -ENOMEM; } - kfree (port->read_urb->transfer_buffer); + kfree(port->read_urb->transfer_buffer); port->read_urb->transfer_buffer = buffer; port->read_urb->transfer_buffer_length = buffer_size; - buffer = kmalloc (buffer_size, GFP_KERNEL); + buffer = kmalloc(buffer_size, GFP_KERNEL); if (!buffer) { - dev_err (&port->dev, "%s - out of memory.\n", __func__); + dev_err(&port->dev, "%s - out of memory.\n", __func__); return -ENOMEM; } - kfree (port->write_urb->transfer_buffer); + kfree(port->write_urb->transfer_buffer); port->write_urb->transfer_buffer = buffer; port->write_urb->transfer_buffer_length = buffer_size; port->bulk_out_size = buffer_size; } /* Start reading from the device */ - usb_fill_bulk_urb ( + usb_fill_bulk_urb( port->read_urb, - port->serial->dev, - usb_rcvbulkpipe(port->serial->dev, port->bulk_in_endpointAddress), + port->serial->dev, + usb_rcvbulkpipe(port->serial->dev, + port->bulk_in_endpointAddress), port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length, ir_read_bulk_callback, port); result = usb_submit_urb(port->read_urb, GFP_KERNEL); if (result) - dev_err(&port->dev, "%s - failed submitting read urb, error %d\n", __func__, result); + dev_err(&port->dev, + "%s - failed submitting read urb, error %d\n", + __func__, result); return result; } -static void ir_close (struct usb_serial_port *port, struct file * filp) +static void ir_close(struct usb_serial_port *port, struct file *filp) { dbg("%s - port %d", __func__, port->number); - + /* shutdown our bulk read */ usb_kill_urb(port->read_urb); } -static int ir_write (struct usb_serial_port *port, const unsigned char *buf, int count) +static int ir_write(struct usb_serial_port *port, + const unsigned char *buf, int count) { unsigned char *transfer_buffer; int result; @@ -338,7 +361,7 @@ static int ir_write (struct usb_serial_port *port, const unsigned char *buf, int dbg("%s - port = %d, count = %d", __func__, port->number, count); if (!port->tty) { - dev_err (&port->dev, "%s - no tty???\n", __func__); + dev_err(&port->dev, "%s - no tty???\n", __func__); return 0; } @@ -359,7 +382,7 @@ static int ir_write (struct usb_serial_port *port, const unsigned char *buf, int /* * The first byte of the packet we send to the device contains an - * inband header which indicates an additional number of BOFs and + * inbound header which indicates an additional number of BOFs and * a baud rate change. * * See section 5.4.2.2 of the USB IrDA spec. @@ -367,9 +390,9 @@ static int ir_write (struct usb_serial_port *port, const unsigned char *buf, int *transfer_buffer = ir_xbof | ir_baud; ++transfer_buffer; - memcpy (transfer_buffer, buf, transfer_size); + memcpy(transfer_buffer, buf, transfer_size); - usb_fill_bulk_urb ( + usb_fill_bulk_urb( port->write_urb, port->serial->dev, usb_sndbulkpipe(port->serial->dev, @@ -381,17 +404,19 @@ static int ir_write (struct usb_serial_port *port, const unsigned char *buf, int port->write_urb->transfer_flags = URB_ZERO_PACKET; - result = usb_submit_urb (port->write_urb, GFP_ATOMIC); + result = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (result) { port->write_urb_busy = 0; - dev_err(&port->dev, "%s - failed submitting write urb, error %d\n", __func__, result); + dev_err(&port->dev, + "%s - failed submitting write urb, error %d\n", + __func__, result); } else result = transfer_size; return result; } -static void ir_write_bulk_callback (struct urb *urb) +static void ir_write_bulk_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; int status = urb->status; @@ -405,7 +430,7 @@ static void ir_write_bulk_callback (struct urb *urb) return; } - usb_serial_debug_data ( + usb_serial_debug_data( debug, &port->dev, __func__, @@ -415,7 +440,7 @@ static void ir_write_bulk_callback (struct urb *urb) usb_serial_port_softint(port); } -static void ir_read_bulk_callback (struct urb *urb) +static void ir_read_bulk_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; struct tty_struct *tty; @@ -431,68 +456,69 @@ static void ir_read_bulk_callback (struct urb *urb) } switch (status) { - case 0: /* Successful */ - - /* - * The first byte of the packet we get from the device - * contains a busy indicator and baud rate change. - * See section 5.4.1.2 of the USB IrDA spec. - */ - if ((*data & 0x0f) > 0) - ir_baud = *data & 0x0f; - - usb_serial_debug_data ( - debug, - &port->dev, - __func__, - urb->actual_length, - data); - - tty = port->tty; - - if (tty_buffer_request_room(tty, urb->actual_length - 1)) { - tty_insert_flip_string(tty, data+1, urb->actual_length - 1); - tty_flip_buffer_push(tty); - } - - /* - * No break here. - * We want to resubmit the urb so we can read - * again. - */ - - case -EPROTO: /* taking inspiration from pl2303.c */ - - /* Continue trying to always read */ - usb_fill_bulk_urb ( - port->read_urb, - port->serial->dev, - usb_rcvbulkpipe(port->serial->dev, - port->bulk_in_endpointAddress), - port->read_urb->transfer_buffer, - port->read_urb->transfer_buffer_length, - ir_read_bulk_callback, - port); - - result = usb_submit_urb(port->read_urb, GFP_ATOMIC); - if (result) - dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n", - __func__, result); - - break ; - - default: - dbg("%s - nonzero read bulk status received: %d", - __func__, - status); - break ; + case 0: /* Successful */ + + /* + * The first byte of the packet we get from the device + * contains a busy indicator and baud rate change. + * See section 5.4.1.2 of the USB IrDA spec. + */ + if ((*data & 0x0f) > 0) + ir_baud = *data & 0x0f; + + usb_serial_debug_data( + debug, + &port->dev, + __func__, + urb->actual_length, + data); + + tty = port->tty; + + if (tty_buffer_request_room(tty, urb->actual_length - 1)) { + tty_insert_flip_string(tty, data + 1, + urb->actual_length - 1); + tty_flip_buffer_push(tty); + } + /* + * No break here. + * We want to resubmit the urb so we can read + * again. + */ + + case -EPROTO: /* taking inspiration from pl2303.c */ + + /* Continue trying to always read */ + usb_fill_bulk_urb( + port->read_urb, + port->serial->dev, + usb_rcvbulkpipe(port->serial->dev, + port->bulk_in_endpointAddress), + port->read_urb->transfer_buffer, + port->read_urb->transfer_buffer_length, + ir_read_bulk_callback, + port); + + result = usb_submit_urb(port->read_urb, GFP_ATOMIC); + if (result) + dev_err(&port->dev, + "%s - failed resubmitting read urb, error %d\n", + __func__, result); + break; + + default: + dbg("%s - nonzero read bulk status received: %d", + __func__, + status); + break; } return; } -static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_termios) +static void ir_set_termios(struct usb_serial_port *port, + struct ktermios *old_termios) { unsigned char *transfer_buffer; int result; @@ -510,19 +536,36 @@ static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_t */ switch (baud) { - case 2400: ir_baud = SPEED_2400; break; - case 9600: ir_baud = SPEED_9600; break; - case 19200: ir_baud = SPEED_19200; break; - case 38400: ir_baud = SPEED_38400; break; - case 57600: ir_baud = SPEED_57600; break; - case 115200: ir_baud = SPEED_115200; break; - case 576000: ir_baud = SPEED_576000; break; - case 1152000: ir_baud = SPEED_1152000; break; - case 4000000: ir_baud = SPEED_4000000; break; - break; - default: - ir_baud = SPEED_9600; - baud = 9600; + case 2400: + ir_baud = USB_IRDA_BR_2400; + break; + case 9600: + ir_baud = USB_IRDA_BR_9600; + break; + case 19200: + ir_baud = USB_IRDA_BR_19200; + break; + case 38400: + ir_baud = USB_IRDA_BR_38400; + break; + case 57600: + ir_baud = USB_IRDA_BR_57600; + break; + case 115200: + ir_baud = USB_IRDA_BR_115200; + break; + case 576000: + ir_baud = USB_IRDA_BR_576000; + break; + case 1152000: + ir_baud = USB_IRDA_BR_1152000; + break; + case 4000000: + ir_baud = USB_IRDA_BR_4000000; + break; + default: + ir_baud = USB_IRDA_BR_9600; + baud = 9600; } if (xbof == -1) @@ -538,10 +581,11 @@ static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_t transfer_buffer = port->write_urb->transfer_buffer; *transfer_buffer = ir_xbof | ir_baud; - usb_fill_bulk_urb ( + usb_fill_bulk_urb( port->write_urb, port->serial->dev, - usb_sndbulkpipe(port->serial->dev, port->bulk_out_endpointAddress), + usb_sndbulkpipe(port->serial->dev, + port->bulk_out_endpointAddress), port->write_urb->transfer_buffer, 1, ir_write_bulk_callback, @@ -549,38 +593,44 @@ static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_t port->write_urb->transfer_flags = URB_ZERO_PACKET; - result = usb_submit_urb (port->write_urb, GFP_KERNEL); + result = usb_submit_urb(port->write_urb, GFP_KERNEL); if (result) - dev_err(&port->dev, "%s - failed submitting write urb, error %d\n", __func__, result); + dev_err(&port->dev, + "%s - failed submitting write urb, error %d\n", + __func__, result); /* Only speed changes are supported */ tty_termios_copy_hw(port->tty->termios, old_termios); tty_encode_baud_rate(port->tty, baud, baud); } - -static int __init ir_init (void) +static int __init ir_init(void) { int retval; + retval = usb_serial_register(&ir_device); if (retval) goto failed_usb_serial_register; + retval = usb_register(&ir_driver); - if (retval) + if (retval) goto failed_usb_register; + info(DRIVER_DESC " " DRIVER_VERSION); + return 0; + failed_usb_register: usb_serial_deregister(&ir_device); + failed_usb_serial_register: return retval; } - -static void __exit ir_exit (void) +static void __exit ir_exit(void) { - usb_deregister (&ir_driver); - usb_serial_deregister (&ir_device); + usb_deregister(&ir_driver); + usb_serial_deregister(&ir_device); } diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h index b52fb657a244..8bf72639b148 100644 --- a/drivers/usb/serial/keyspan.h +++ b/drivers/usb/serial/keyspan.h @@ -138,7 +138,8 @@ static int keyspan_usa67_send_setup (struct usb_serial *serial, /* Product IDs post-renumeration. Note that the 28x and 28xb have the same id's post-renumeration but behave identically - so it's not an issue. */ + so it's not an issue. As such, the 28xb is not listed in any + of the device tables. */ #define keyspan_usa18x_product_id 0x0112 #define keyspan_usa19_product_id 0x0107 #define keyspan_usa19qi_product_id 0x010c @@ -482,7 +483,6 @@ static struct usb_device_id keyspan_ids_combined[] = { { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_product_id) }, { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_product_id) }, { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_product_id) }, - { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xb_product_id) }, { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xg_product_id) }, { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_product_id)}, { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_product_id)}, @@ -532,7 +532,6 @@ static struct usb_device_id keyspan_2port_ids[] = { { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_product_id) }, { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_product_id) }, { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_product_id) }, - { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xb_product_id) }, { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xg_product_id) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 644a1eaaa376..60b3e22bd633 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -408,7 +408,7 @@ static int keyspan_pda_get_modem_info(struct usb_serial *serial, 3, /* get pins */ USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_IN, 0, 0, &data, 1, 2000); - if (rc > 0) + if (rc >= 0) *value = data; return rc; } diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index f328948d74e3..79787eda9524 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -236,7 +236,7 @@ static int klsi_105_get_line_state(struct usb_serial_port *port, if (rc < 0) err("Reading line status failed (error = %d)", rc); else { - status = le16_to_cpu(get_unaligned((__le16 *)status_buf)); + status = get_unaligned_le16(status_buf); info("%s - read status %x %x", __func__, status_buf[0], status_buf[1]); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index a73420dd052a..1e936a1cbe0b 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -173,6 +173,7 @@ static int option_send_setup(struct usb_serial_port *port); #define DELL_VENDOR_ID 0x413C #define KYOCERA_VENDOR_ID 0x0c88 +#define KYOCERA_PRODUCT_KPC650 0x17da #define KYOCERA_PRODUCT_KPC680 0x180a #define ANYDATA_VENDOR_ID 0x16d5 @@ -305,6 +306,7 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_ET502HS) }, { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) }, { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) }, + { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) }, { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) }, { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 0cb0d77dc429..353798631903 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -283,7 +283,10 @@ static void serial_close(struct tty_struct *tty, struct file * filp) } if (port->open_count == 0) { - usb_autopm_put_interface(port->serial->interface); + mutex_lock(&port->serial->disc_mutex); + if (!port->serial->disconnected) + usb_autopm_put_interface(port->serial->interface); + mutex_unlock(&port->serial->disc_mutex); module_put(port->serial->type->driver.owner); } @@ -505,7 +508,7 @@ static void port_release(struct device *dev) { struct usb_serial_port *port = to_usb_serial_port(dev); - dbg ("%s - %s", __func__, dev->bus_id); + dbg ("%s - %s", __func__, dev_name(dev)); port_free(port); } @@ -625,7 +628,7 @@ int usb_serial_probe(struct usb_interface *interface, struct usb_endpoint_descriptor *bulk_out_endpoint[MAX_NUM_PORTS]; struct usb_serial_driver *type = NULL; int retval; - int minor; + unsigned int minor; int buffer_size; int i; int num_interrupt_in = 0; @@ -938,8 +941,8 @@ int usb_serial_probe(struct usb_interface *interface, port->dev.bus = &usb_serial_bus_type; port->dev.release = &port_release; - snprintf (&port->dev.bus_id[0], sizeof(port->dev.bus_id), "ttyUSB%d", port->number); - dbg ("%s - registering %s", __func__, port->dev.bus_id); + dev_set_name(&port->dev, "ttyUSB%d", port->number); + dbg ("%s - registering %s", __func__, dev_name(&port->dev)); retval = device_register(&port->dev); if (retval) dev_err(&port->dev, "Error registering port device, " diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index f9fc926b56d8..9ca4d4db1ddd 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -15,6 +15,8 @@ #include <linux/usb.h> #include <linux/usb/serial.h> +#define USB_DEBUG_MAX_PACKET_SIZE 8 + static struct usb_device_id id_table [] = { { USB_DEVICE(0x0525, 0x127a) }, { }, @@ -29,6 +31,12 @@ static struct usb_driver debug_driver = { .no_dynamic_id = 1, }; +int usb_debug_open(struct usb_serial_port *port, struct file *filp) +{ + port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE; + return usb_serial_generic_open(port, filp); +} + static struct usb_serial_driver debug_device = { .driver = { .owner = THIS_MODULE, @@ -36,6 +44,7 @@ static struct usb_serial_driver debug_device = { }, .id_table = id_table, .num_ports = 1, + .open = usb_debug_open, }; static int __init debug_init(void) |