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-rw-r--r--drivers/net/Kconfig7
-rw-r--r--drivers/net/cs89x0.c6
-rw-r--r--drivers/net/irda/pxaficp_ir.c46
-rw-r--r--drivers/net/irda/sa1100_ir.c2
-rw-r--r--drivers/net/smc911x.h3
-rw-r--r--drivers/net/smc91x.h3
-rw-r--r--drivers/net/usb/hso.c434
7 files changed, 447 insertions, 54 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 72a9212da86..9a18270c108 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2399,9 +2399,14 @@ config CHELSIO_T1_1G
Enables support for Chelsio's gigabit Ethernet PCI cards. If you
are using only 10G cards say 'N' here.
+config CHELSIO_T3_DEPENDS
+ tristate
+ depends on PCI && INET
+ default y
+
config CHELSIO_T3
tristate "Chelsio Communications T3 10Gb Ethernet support"
- depends on PCI && INET
+ depends on CHELSIO_T3_DEPENDS
select FW_LOADER
select INET_LRO
help
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index d548a45d59d..ff6497658a4 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -170,11 +170,7 @@ static char version[] __initdata =
/* The cs8900 has 4 IRQ pins, software selectable. cs8900_irq_map maps
them to system IRQ numbers. This mapping is card specific and is set to
the configuration of the Cirrus Eval board for this chip. */
-#ifdef CONFIG_ARCH_CLPS7500
-static unsigned int netcard_portlist[] __used __initdata =
- { 0x80090303, 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0};
-static unsigned int cs8900_irq_map[] = {12,0,0,0};
-#elif defined(CONFIG_SH_HICOSH4)
+#if defined(CONFIG_SH_HICOSH4)
static unsigned int netcard_portlist[] __used __initdata =
{ 0x0300, 0};
static unsigned int cs8900_irq_map[] = {1,0,0,0};
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c
index a0ee0531815..004a9aab3a5 100644
--- a/drivers/net/irda/pxaficp_ir.c
+++ b/drivers/net/irda/pxaficp_ir.c
@@ -22,9 +22,53 @@
#include <net/irda/wrapper.h>
#include <net/irda/irda_device.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/irda.h>
+#include <mach/hardware.h>
#include <mach/pxa-regs.h>
+#include <mach/regs-uart.h>
+
+#define FICP __REG(0x40800000) /* Start of FICP area */
+#define ICCR0 __REG(0x40800000) /* ICP Control Register 0 */
+#define ICCR1 __REG(0x40800004) /* ICP Control Register 1 */
+#define ICCR2 __REG(0x40800008) /* ICP Control Register 2 */
+#define ICDR __REG(0x4080000c) /* ICP Data Register */
+#define ICSR0 __REG(0x40800014) /* ICP Status Register 0 */
+#define ICSR1 __REG(0x40800018) /* ICP Status Register 1 */
+
+#define ICCR0_AME (1 << 7) /* Address match enable */
+#define ICCR0_TIE (1 << 6) /* Transmit FIFO interrupt enable */
+#define ICCR0_RIE (1 << 5) /* Recieve FIFO interrupt enable */
+#define ICCR0_RXE (1 << 4) /* Receive enable */
+#define ICCR0_TXE (1 << 3) /* Transmit enable */
+#define ICCR0_TUS (1 << 2) /* Transmit FIFO underrun select */
+#define ICCR0_LBM (1 << 1) /* Loopback mode */
+#define ICCR0_ITR (1 << 0) /* IrDA transmission */
+
+#define ICCR2_RXP (1 << 3) /* Receive Pin Polarity select */
+#define ICCR2_TXP (1 << 2) /* Transmit Pin Polarity select */
+#define ICCR2_TRIG (3 << 0) /* Receive FIFO Trigger threshold */
+#define ICCR2_TRIG_8 (0 << 0) /* >= 8 bytes */
+#define ICCR2_TRIG_16 (1 << 0) /* >= 16 bytes */
+#define ICCR2_TRIG_32 (2 << 0) /* >= 32 bytes */
+
+#ifdef CONFIG_PXA27x
+#define ICSR0_EOC (1 << 6) /* DMA End of Descriptor Chain */
+#endif
+#define ICSR0_FRE (1 << 5) /* Framing error */
+#define ICSR0_RFS (1 << 4) /* Receive FIFO service request */
+#define ICSR0_TFS (1 << 3) /* Transnit FIFO service request */
+#define ICSR0_RAB (1 << 2) /* Receiver abort */
+#define ICSR0_TUR (1 << 1) /* Trunsmit FIFO underun */
+#define ICSR0_EIF (1 << 0) /* End/Error in FIFO */
+
+#define ICSR1_ROR (1 << 6) /* Receiver FIFO underrun */
+#define ICSR1_CRE (1 << 5) /* CRC error */
+#define ICSR1_EOF (1 << 4) /* End of frame */
+#define ICSR1_TNF (1 << 3) /* Transmit FIFO not full */
+#define ICSR1_RNE (1 << 2) /* Receive FIFO not empty */
+#define ICSR1_TBY (1 << 1) /* Tramsmiter busy flag */
+#define ICSR1_RSY (1 << 0) /* Recevier synchronized flag */
#define IrSR_RXPL_NEG_IS_ZERO (1<<4)
#define IrSR_RXPL_POS_IS_ZERO 0x0
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index ccde5829ba2..d302bcf4c14 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -36,7 +36,7 @@
#include <net/irda/irda_device.h>
#include <asm/irq.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/hardware.h>
#include <asm/mach/irda.h>
diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h
index cc7d85bdfb3..870b4c33f10 100644
--- a/drivers/net/smc911x.h
+++ b/drivers/net/smc911x.h
@@ -200,6 +200,9 @@ static inline void SMC_outsl(struct smc911x_local *lp, int reg,
#ifdef SMC_USE_PXA_DMA
+
+#include <mach/dma.h>
+
/*
* Define the request and free functions
* These are unfortunately architecture specific as no generic allocation
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index 3e7c6a3cbc6..c4ccd121bc9 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -493,7 +493,8 @@ struct smc_local {
* as RX which can overrun memory and lose packets.
*/
#include <linux/dma-mapping.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
+#include <mach/hardware.h>
#include <mach/pxa-regs.h>
#ifdef SMC_insl
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 9f7896a25f1..c4918b86ed1 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -3,6 +3,8 @@
* Driver for Option High Speed Mobile Devices.
*
* Copyright (C) 2008 Option International
+ * Filip Aben <f.aben@option.com>
+ * Denis Joseph Barrow <d.barow@option.com>
* Copyright (C) 2007 Andrew Bird (Sphere Systems Ltd)
* <ajb@spheresystems.co.uk>
* Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>
@@ -39,8 +41,11 @@
* port is opened, as this have a huge impact on the network port
* throughput.
*
- * Interface 2: Standard modem interface - circuit switched interface, should
- * not be used.
+ * Interface 2: Standard modem interface - circuit switched interface, this
+ * can be used to make a standard ppp connection however it
+ * should not be used in conjunction with the IP network interface
+ * enabled for USB performance reasons i.e. if using this set
+ * ideally disable_net=1.
*
*****************************************************************************/
@@ -63,6 +68,8 @@
#include <linux/usb/cdc.h>
#include <net/arp.h>
#include <asm/byteorder.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
#define DRIVER_VERSION "1.2"
@@ -182,6 +189,41 @@ enum rx_ctrl_state{
RX_PENDING
};
+#define BM_REQUEST_TYPE (0xa1)
+#define B_NOTIFICATION (0x20)
+#define W_VALUE (0x0)
+#define W_INDEX (0x2)
+#define W_LENGTH (0x2)
+
+#define B_OVERRUN (0x1<<6)
+#define B_PARITY (0x1<<5)
+#define B_FRAMING (0x1<<4)
+#define B_RING_SIGNAL (0x1<<3)
+#define B_BREAK (0x1<<2)
+#define B_TX_CARRIER (0x1<<1)
+#define B_RX_CARRIER (0x1<<0)
+
+struct hso_serial_state_notification {
+ u8 bmRequestType;
+ u8 bNotification;
+ u16 wValue;
+ u16 wIndex;
+ u16 wLength;
+ u16 UART_state_bitmap;
+} __attribute__((packed));
+
+struct hso_tiocmget {
+ struct mutex mutex;
+ wait_queue_head_t waitq;
+ int intr_completed;
+ struct usb_endpoint_descriptor *endp;
+ struct urb *urb;
+ struct hso_serial_state_notification serial_state_notification;
+ u16 prev_UART_state_bitmap;
+ struct uart_icount icount;
+};
+
+
struct hso_serial {
struct hso_device *parent;
int magic;
@@ -219,6 +261,7 @@ struct hso_serial {
spinlock_t serial_lock;
int (*write_data) (struct hso_serial *serial);
+ struct hso_tiocmget *tiocmget;
/* Hacks required to get flow control
* working on the serial receive buffers
* so as not to drop characters on the floor.
@@ -305,7 +348,7 @@ static void async_get_intf(struct work_struct *data);
static void async_put_intf(struct work_struct *data);
static int hso_put_activity(struct hso_device *hso_dev);
static int hso_get_activity(struct hso_device *hso_dev);
-
+static void tiocmget_intr_callback(struct urb *urb);
/*****************************************************************************/
/* Helping functions */
/*****************************************************************************/
@@ -362,8 +405,6 @@ static struct tty_driver *tty_drv;
static struct hso_device *serial_table[HSO_SERIAL_TTY_MINORS];
static struct hso_device *network_table[HSO_MAX_NET_DEVICES];
static spinlock_t serial_table_lock;
-static struct ktermios *hso_serial_termios[HSO_SERIAL_TTY_MINORS];
-static struct ktermios *hso_serial_termios_locked[HSO_SERIAL_TTY_MINORS];
static const s32 default_port_spec[] = {
HSO_INTF_MUX | HSO_PORT_NETWORK,
@@ -1009,23 +1050,11 @@ static void read_bulk_callback(struct urb *urb)
/* Serial driver functions */
-static void _hso_serial_set_termios(struct tty_struct *tty,
- struct ktermios *old)
+static void hso_init_termios(struct ktermios *termios)
{
- struct hso_serial *serial = get_serial_by_tty(tty);
- struct ktermios *termios;
-
- if ((!tty) || (!tty->termios) || (!serial)) {
- printk(KERN_ERR "%s: no tty structures", __func__);
- return;
- }
-
- D4("port %d", serial->minor);
-
/*
* The default requirements for this device are:
*/
- termios = tty->termios;
termios->c_iflag &=
~(IGNBRK /* disable ignore break */
| BRKINT /* disable break causes interrupt */
@@ -1057,15 +1086,38 @@ static void _hso_serial_set_termios(struct tty_struct *tty,
termios->c_cflag |= CS8; /* character size 8 bits */
/* baud rate 115200 */
- tty_encode_baud_rate(serial->tty, 115200, 115200);
+ tty_termios_encode_baud_rate(termios, 115200, 115200);
+}
+
+static void _hso_serial_set_termios(struct tty_struct *tty,
+ struct ktermios *old)
+{
+ struct hso_serial *serial = get_serial_by_tty(tty);
+ struct ktermios *termios;
+
+ if (!serial) {
+ printk(KERN_ERR "%s: no tty structures", __func__);
+ return;
+ }
+
+ D4("port %d", serial->minor);
/*
- * Force low_latency on; otherwise the pushes are scheduled;
- * this is bad as it opens up the possibility of dropping bytes
- * on the floor. We don't want to drop bytes on the floor. :)
+ * Fix up unsupported bits
*/
- serial->tty->low_latency = 1;
- return;
+ termios = tty->termios;
+ termios->c_iflag &= ~IXON; /* disable enable XON/XOFF flow control */
+
+ termios->c_cflag &=
+ ~(CSIZE /* no size */
+ | PARENB /* disable parity bit */
+ | CBAUD /* clear current baud rate */
+ | CBAUDEX); /* clear current buad rate */
+
+ termios->c_cflag |= CS8; /* character size 8 bits */
+
+ /* baud rate 115200 */
+ tty_encode_baud_rate(tty, 115200, 115200);
}
static void hso_resubmit_rx_bulk_urb(struct hso_serial *serial, struct urb *urb)
@@ -1228,6 +1280,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
/* sanity check */
if (serial == NULL || serial->magic != HSO_SERIAL_MAGIC) {
+ WARN_ON(1);
tty->driver_data = NULL;
D1("Failed to open port");
return -ENODEV;
@@ -1242,8 +1295,10 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
kref_get(&serial->parent->ref);
/* setup */
+ spin_lock_irq(&serial->serial_lock);
tty->driver_data = serial;
- serial->tty = tty;
+ serial->tty = tty_kref_get(tty);
+ spin_unlock_irq(&serial->serial_lock);
/* check for port already opened, if not set the termios */
serial->open_count++;
@@ -1285,6 +1340,10 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp)
D1("Closing serial port");
+ /* Open failed, no close cleanup required */
+ if (serial == NULL)
+ return;
+
mutex_lock(&serial->parent->mutex);
usb_gone = serial->parent->usb_gone;
@@ -1297,10 +1356,13 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp)
kref_put(&serial->parent->ref, hso_serial_ref_free);
if (serial->open_count <= 0) {
serial->open_count = 0;
- if (serial->tty) {
+ spin_lock_irq(&serial->serial_lock);
+ if (serial->tty == tty) {
serial->tty->driver_data = NULL;
serial->tty = NULL;
+ tty_kref_put(tty);
}
+ spin_unlock_irq(&serial->serial_lock);
if (!usb_gone)
hso_stop_serial_device(serial->parent);
tasklet_kill(&serial->unthrottle_tasklet);
@@ -1400,25 +1462,217 @@ static int hso_serial_chars_in_buffer(struct tty_struct *tty)
return chars;
}
+int tiocmget_submit_urb(struct hso_serial *serial,
+ struct hso_tiocmget *tiocmget,
+ struct usb_device *usb)
+{
+ int result;
+
+ if (serial->parent->usb_gone)
+ return -ENODEV;
+ usb_fill_int_urb(tiocmget->urb, usb,
+ usb_rcvintpipe(usb,
+ tiocmget->endp->
+ bEndpointAddress & 0x7F),
+ &tiocmget->serial_state_notification,
+ sizeof(struct hso_serial_state_notification),
+ tiocmget_intr_callback, serial,
+ tiocmget->endp->bInterval);
+ result = usb_submit_urb(tiocmget->urb, GFP_ATOMIC);
+ if (result) {
+ dev_warn(&usb->dev, "%s usb_submit_urb failed %d\n", __func__,
+ result);
+ }
+ return result;
+
+}
+
+static void tiocmget_intr_callback(struct urb *urb)
+{
+ struct hso_serial *serial = urb->context;
+ struct hso_tiocmget *tiocmget;
+ int status = urb->status;
+ u16 UART_state_bitmap, prev_UART_state_bitmap;
+ struct uart_icount *icount;
+ struct hso_serial_state_notification *serial_state_notification;
+ struct usb_device *usb;
+
+ /* Sanity checks */
+ if (!serial)
+ return;
+ if (status) {
+ log_usb_status(status, __func__);
+ return;
+ }
+ tiocmget = serial->tiocmget;
+ if (!tiocmget)
+ return;
+ usb = serial->parent->usb;
+ serial_state_notification = &tiocmget->serial_state_notification;
+ if (serial_state_notification->bmRequestType != BM_REQUEST_TYPE ||
+ serial_state_notification->bNotification != B_NOTIFICATION ||
+ le16_to_cpu(serial_state_notification->wValue) != W_VALUE ||
+ le16_to_cpu(serial_state_notification->wIndex) != W_INDEX ||
+ le16_to_cpu(serial_state_notification->wLength) != W_LENGTH) {
+ dev_warn(&usb->dev,
+ "hso received invalid serial state notification\n");
+ DUMP(serial_state_notification,
+ sizeof(hso_serial_state_notifation))
+ } else {
+
+ UART_state_bitmap = le16_to_cpu(serial_state_notification->
+ UART_state_bitmap);
+ prev_UART_state_bitmap = tiocmget->prev_UART_state_bitmap;
+ icount = &tiocmget->icount;
+ spin_lock(&serial->serial_lock);
+ if ((UART_state_bitmap & B_OVERRUN) !=
+ (prev_UART_state_bitmap & B_OVERRUN))
+ icount->parity++;
+ if ((UART_state_bitmap & B_PARITY) !=
+ (prev_UART_state_bitmap & B_PARITY))
+ icount->parity++;
+ if ((UART_state_bitmap & B_FRAMING) !=
+ (prev_UART_state_bitmap & B_FRAMING))
+ icount->frame++;
+ if ((UART_state_bitmap & B_RING_SIGNAL) &&
+ !(prev_UART_state_bitmap & B_RING_SIGNAL))
+ icount->rng++;
+ if ((UART_state_bitmap & B_BREAK) !=
+ (prev_UART_state_bitmap & B_BREAK))
+ icount->brk++;
+ if ((UART_state_bitmap & B_TX_CARRIER) !=
+ (prev_UART_state_bitmap & B_TX_CARRIER))
+ icount->dsr++;
+ if ((UART_state_bitmap & B_RX_CARRIER) !=
+ (prev_UART_state_bitmap & B_RX_CARRIER))
+ icount->dcd++;
+ tiocmget->prev_UART_state_bitmap = UART_state_bitmap;
+ spin_unlock(&serial->serial_lock);
+ tiocmget->intr_completed = 1;
+ wake_up_interruptible(&tiocmget->waitq);
+ }
+ memset(serial_state_notification, 0,
+ sizeof(struct hso_serial_state_notification));
+ tiocmget_submit_urb(serial,
+ tiocmget,
+ serial->parent->usb);
+}
+
+/*
+ * next few functions largely stolen from drivers/serial/serial_core.c
+ */
+/* Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
+ * - mask passed in arg for lines of interest
+ * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
+ * Caller should use TIOCGICOUNT to see which one it was
+ */
+static int
+hso_wait_modem_status(struct hso_serial *serial, unsigned long arg)
+{
+ DECLARE_WAITQUEUE(wait, current);
+ struct uart_icount cprev, cnow;
+ struct hso_tiocmget *tiocmget;
+ int ret;
+
+ tiocmget = serial->tiocmget;
+ if (!tiocmget)
+ return -ENOENT;
+ /*
+ * note the counters on entry
+ */
+ spin_lock_irq(&serial->serial_lock);
+ memcpy(&cprev, &tiocmget->icount, sizeof(struct uart_icount));
+ spin_unlock_irq(&serial->serial_lock);
+ add_wait_queue(&tiocmget->waitq, &wait);
+ for (;;) {
+ spin_lock_irq(&serial->serial_lock);
+ memcpy(&cnow, &tiocmget->icount, sizeof(struct uart_icount));
+ spin_unlock_irq(&serial->serial_lock);
+ set_current_state(TASK_INTERRUPTIBLE);
+ if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
+ ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
+ ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd))) {
+ ret = 0;
+ break;
+ }
+ schedule();
+ /* see if a signal did it */
+ if (signal_pending(current)) {
+ ret = -ERESTARTSYS;
+ break;
+ }
+ cprev = cnow;
+ }
+ current->state = TASK_RUNNING;
+ remove_wait_queue(&tiocmget->waitq, &wait);
+
+ return ret;
+}
+
+/*
+ * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
+ * Return: write counters to the user passed counter struct
+ * NB: both 1->0 and 0->1 transitions are counted except for
+ * RI where only 0->1 is counted.
+ */
+static int hso_get_count(struct hso_serial *serial,
+ struct serial_icounter_struct __user *icnt)
+{
+ struct serial_icounter_struct icount;
+ struct uart_icount cnow;
+ struct hso_tiocmget *tiocmget = serial->tiocmget;
+
+ if (!tiocmget)
+ return -ENOENT;
+ spin_lock_irq(&serial->serial_lock);
+ memcpy(&cnow, &tiocmget->icount, sizeof(struct uart_icount));
+ spin_unlock_irq(&serial->serial_lock);
+
+ icount.cts = cnow.cts;
+ icount.dsr = cnow.dsr;
+ icount.rng = cnow.rng;
+ icount.dcd = cnow.dcd;
+ icount.rx = cnow.rx;
+ icount.tx = cnow.tx;
+ icount.frame = cnow.frame;
+ icount.overrun = cnow.overrun;
+ icount.parity = cnow.parity;
+ icount.brk = cnow.brk;
+ icount.buf_overrun = cnow.buf_overrun;
+
+ return copy_to_user(icnt, &icount, sizeof(icount)) ? -EFAULT : 0;
+}
+
static int hso_serial_tiocmget(struct tty_struct *tty, struct file *file)
{
- unsigned int value;
+ int retval;
struct hso_serial *serial = get_serial_by_tty(tty);
- unsigned long flags;
+ struct hso_tiocmget *tiocmget;
+ u16 UART_state_bitmap;
/* sanity check */
if (!serial) {
D1("no tty structures");
return -EINVAL;
}
-
- spin_lock_irqsave(&serial->serial_lock, flags);
- value = ((serial->rts_state) ? TIOCM_RTS : 0) |
+ spin_lock_irq(&serial->serial_lock);
+ retval = ((serial->rts_state) ? TIOCM_RTS : 0) |
((serial->dtr_state) ? TIOCM_DTR : 0);
- spin_unlock_irqrestore(&serial->serial_lock, flags);
+ tiocmget = serial->tiocmget;
+ if (tiocmget) {
- return value;
+ UART_state_bitmap = le16_to_cpu(
+ tiocmget->prev_UART_state_bitmap);
+ if (UART_state_bitmap & B_RING_SIGNAL)
+ retval |= TIOCM_RNG;
+ if (UART_state_bitmap & B_RX_CARRIER)
+ retval |= TIOCM_CD;
+ if (UART_state_bitmap & B_TX_CARRIER)
+ retval |= TIOCM_DSR;
+ }
+ spin_unlock_irq(&serial->serial_lock);
+ return retval;
}
static int hso_serial_tiocmset(struct tty_struct *tty, struct file *file,
@@ -1460,6 +1714,32 @@ static int hso_serial_tiocmset(struct tty_struct *tty, struct file *file,
USB_CTRL_SET_TIMEOUT);
}
+static int hso_serial_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct hso_serial *serial = get_serial_by_tty(tty);
+ void __user *uarg = (void __user *)arg;
+ int ret = 0;
+ D4("IOCTL cmd: %d, arg: %ld", cmd, arg);
+
+ if (!serial)
+ return -ENODEV;
+ switch (cmd) {
+ case TIOCMIWAIT:
+ ret = hso_wait_modem_status(serial, arg);
+ break;
+
+ case TIOCGICOUNT:
+ ret = hso_get_count(serial, uarg);
+ break;
+ default:
+ ret = -ENOIOCTLCMD;
+ break;
+ }
+ return ret;
+}
+
+
/* starts a transmit */
static void hso_kick_transmit(struct hso_serial *serial)
{
@@ -1653,6 +1933,7 @@ static void hso_std_serial_write_bulk_callback(struct urb *urb)
{
struct hso_serial *serial = urb->context;
int status = urb->status;
+ struct tty_struct *tty;
/* sanity check */
if (!serial) {
@@ -1662,14 +1943,18 @@ static void hso_std_serial_write_bulk_callback(struct urb *urb)
spin_lock(&serial->serial_lock);
serial->tx_urb_used = 0;
+ tty = tty_kref_get(serial->tty);
spin_unlock(&serial->serial_lock);
if (status) {
log_usb_status(status, __func__);
+ tty_kref_put(tty);
return;
}
hso_put_activity(serial->parent);
- if (serial->tty)
- tty_wakeup(serial->tty);
+ if (tty) {
+ tty_wakeup(tty);
+ tty_kref_put(tty);
+ }
hso_kick_transmit(serial);
D1(" ");
@@ -1706,6 +1991,7 @@ static void ctrl_callback(struct urb *urb)
struct hso_serial *serial = urb->context;
struct usb_ctrlrequest *req;
int status = urb->status;
+ struct tty_struct *tty;
/* sanity check */
if (!serial)
@@ -1713,9 +1999,11 @@ static void ctrl_callback(struct urb *urb)
spin_lock(&serial->serial_lock);
serial->tx_urb_used = 0;
+ tty = tty_kref_get(serial->tty);
spin_unlock(&serial->serial_lock);
if (status) {
log_usb_status(status, __func__);
+ tty_kref_put(tty);
return;
}
@@ -1734,25 +2022,31 @@ static void ctrl_callback(struct urb *urb)
spin_unlock(&serial->serial_lock);
} else {
hso_put_activity(serial->parent);
- if (serial->tty)
- tty_wakeup(serial->tty);
+ if (tty)
+ tty_wakeup(tty);
/* response to a write command */
hso_kick_transmit(serial);
}
+ tty_kref_put(tty);
}
/* handle RX data for serial port */
static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial)
{
- struct tty_struct *tty = serial->tty;
+ struct tty_struct *tty;
int write_length_remaining = 0;
int curr_write_len;
+
/* Sanity check */
if (urb == NULL || serial == NULL) {
D1("serial = NULL");
return -2;
}
+ spin_lock(&serial->serial_lock);
+ tty = tty_kref_get(serial->tty);
+ spin_unlock(&serial->serial_lock);
+
/* Push data to tty */
if (tty) {
write_length_remaining = urb->actual_length -
@@ -1774,6 +2068,7 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial)
serial->curr_rx_urb_offset = 0;
serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0;
}
+ tty_kref_put(tty);
return write_length_remaining;
}
@@ -1922,7 +2217,10 @@ static int hso_start_serial_device(struct hso_device *hso_dev, gfp_t flags)
serial->shared_int->use_count++;
mutex_unlock(&serial->shared_int->shared_int_lock);
}
-
+ if (serial->tiocmget)
+ tiocmget_submit_urb(serial,
+ serial->tiocmget,
+ serial->parent->usb);
return result;
}
@@ -1930,6 +2228,7 @@ static int hso_stop_serial_device(struct hso_device *hso_dev)
{
int i;
struct hso_serial *serial = dev2ser(hso_dev);
+ struct hso_tiocmget *tiocmget;
if (!serial)
return -ENODEV;
@@ -1958,6 +2257,11 @@ static int hso_stop_serial_device(struct hso_device *hso_dev)
}
mutex_unlock(&serial->shared_int->shared_int_lock);
}
+ tiocmget = serial->tiocmget;
+ if (tiocmget) {
+ wake_up_interruptible(&tiocmget->waitq);
+ usb_kill_urb(tiocmget->urb);
+ }
return 0;
}
@@ -2304,6 +2608,20 @@ exit:
return NULL;
}
+static void hso_free_tiomget(struct hso_serial *serial)
+{
+ struct hso_tiocmget *tiocmget = serial->tiocmget;
+ if (tiocmget) {
+ kfree(tiocmget);
+ if (tiocmget->urb) {
+ usb_free_urb(tiocmget->urb);
+ tiocmget->urb = NULL;
+ }
+ serial->tiocmget = NULL;
+
+ }
+}
+
/* Frees an AT channel ( goes for both mux and non-mux ) */
static void hso_free_serial_device(struct hso_device *hso_dev)
{
@@ -2322,6 +2640,7 @@ static void hso_free_serial_device(struct hso_device *hso_dev)
else
mutex_unlock(&serial->shared_int->shared_int_lock);
}
+ hso_free_tiomget(serial);
kfree(serial);
hso_free_device(hso_dev);
}
@@ -2333,6 +2652,7 @@ static struct hso_device *hso_create_bulk_serial_device(
struct hso_device *hso_dev;
struct hso_serial *serial;
int num_urbs;
+ struct hso_tiocmget *tiocmget;
hso_dev = hso_create_device(interface, port);
if (!hso_dev)
@@ -2345,8 +2665,27 @@ static struct hso_device *hso_create_bulk_serial_device(
serial->parent = hso_dev;
hso_dev->port_data.dev_serial = serial;
- if (port & HSO_PORT_MODEM)
+ if ((port & HSO_PORT_MASK) == HSO_PORT_MODEM) {
num_urbs = 2;
+ serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget),
+ GFP_KERNEL);
+ /* it isn't going to break our heart if serial->tiocmget
+ * allocation fails don't bother checking this.
+ */
+ if (serial->tiocmget) {
+ tiocmget = serial->tiocmget;
+ tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (tiocmget->urb) {
+ mutex_init(&tiocmget->mutex);
+ init_waitqueue_head(&tiocmget->waitq);
+ tiocmget->endp = hso_get_ep(
+ interface,
+ USB_ENDPOINT_XFER_INT,
+ USB_DIR_IN);
+ } else
+ hso_free_tiomget(serial);
+ }
+ }
else
num_urbs = 1;
@@ -2382,6 +2721,7 @@ static struct hso_device *hso_create_bulk_serial_device(
exit2:
hso_serial_common_free(serial);
exit:
+ hso_free_tiomget(serial);
kfree(serial);
hso_free_device(hso_dev);
return NULL;
@@ -2786,15 +3126,20 @@ static void hso_serial_ref_free(struct kref *ref)
static void hso_free_interface(struct usb_interface *interface)
{
struct hso_serial *hso_dev;
+ struct tty_struct *tty;
int i;
for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
if (serial_table[i]
&& (serial_table[i]->interface == interface)) {
hso_dev = dev2ser(serial_table[i]);
- if (hso_dev->tty)
- tty_hangup(hso_dev->tty);
+ spin_lock_irq(&hso_dev->serial_lock);
+ tty = tty_kref_get(hso_dev->tty);
+ spin_unlock_irq(&hso_dev->serial_lock);
+ if (tty)
+ tty_hangup(tty);
mutex_lock(&hso_dev->parent->mutex);
+ tty_kref_put(tty);
hso_dev->parent->usb_gone = 1;
mutex_unlock(&hso_dev->parent->mutex);
kref_put(&serial_table[i]->ref, hso_serial_ref_free);
@@ -2887,6 +3232,7 @@ static const struct tty_operations hso_serial_ops = {
.close = hso_serial_close,
.write = hso_serial_write,
.write_room = hso_serial_write_room,
+ .ioctl = hso_serial_ioctl,
.set_termios = hso_serial_set_termios,
.chars_in_buffer = hso_serial_chars_in_buffer,
.tiocmget = hso_serial_tiocmget,
@@ -2939,9 +3285,7 @@ static int __init hso_init(void)
tty_drv->subtype = SERIAL_TYPE_NORMAL;
tty_drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
tty_drv->init_termios = tty_std_termios;
- tty_drv->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
- tty_drv->termios = hso_serial_termios;
- tty_drv->termios_locked = hso_serial_termios_locked;
+ hso_init_termios(&tty_drv->init_termios);
tty_set_operations(tty_drv, &hso_serial_ops);
/* register the tty driver */
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-23 11:11:19 +0000