]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/usb/serial/sierra.c
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
[linux-2.6-omap-h63xx.git] / drivers / usb / serial / sierra.c
index 4c925e3e8a6387663447f56cd07bc5532c931ddc..29074c1ba22b6dd504218328e11c177ae4a76ab6 100644 (file)
@@ -1,7 +1,7 @@
 /*
   USB Driver for Sierra Wireless
 
-  Copyright (C) 2006, 2007, 2008  Kevin Lloyd <linux@sierrawireless.com>
+  Copyright (C) 2006, 2007, 2008  Kevin Lloyd <klloyd@sierrawireless.com>
 
   IMPORTANT DISCLAIMER: This driver is not commercially supported by
   Sierra Wireless. Use at your own risk.
@@ -14,8 +14,8 @@
   Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org>
 */
 
-#define DRIVER_VERSION "v.1.2.7"
-#define DRIVER_AUTHOR "Kevin Lloyd <linux@sierrawireless.com>"
+#define DRIVER_VERSION "v.1.2.9c"
+#define DRIVER_AUTHOR "Kevin Lloyd <klloyd@sierrawireless.com>"
 #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems"
 
 #include <linux/kernel.h>
@@ -31,7 +31,6 @@
 #define SWIMS_USB_REQUEST_SetPower     0x00
 #define SWIMS_USB_REQUEST_SetNmea      0x07
 #define SWIMS_USB_REQUEST_SetMode      0x0B
-#define SWIMS_USB_REQUEST_TYPE_VSC_SET 0x40
 #define SWIMS_SET_MODE_Modem           0x0001
 
 /* per port private data */
@@ -55,7 +54,7 @@ static int sierra_set_power_state(struct usb_device *udev, __u16 swiState)
        dev_dbg(&udev->dev, "%s", "SET POWER STATE\n");
        result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                        SWIMS_USB_REQUEST_SetPower,     /* __u8 request      */
-                       SWIMS_USB_REQUEST_TYPE_VSC_SET, /* __u8 request type */
+                       USB_TYPE_VENDOR,                /* __u8 request type */
                        swiState,                       /* __u16 value       */
                        0,                              /* __u16 index       */
                        NULL,                           /* void *data        */
@@ -70,7 +69,7 @@ static int sierra_set_ms_mode(struct usb_device *udev, __u16 eSWocMode)
        dev_dbg(&udev->dev, "%s", "DEVICE MODE SWITCH\n");
        result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                        SWIMS_USB_REQUEST_SetMode,      /* __u8 request      */
-                       SWIMS_USB_REQUEST_TYPE_VSC_SET, /* __u8 request type */
+                       USB_TYPE_VENDOR,                /* __u8 request type */
                        eSWocMode,                      /* __u16 value       */
                        0x0000,                         /* __u16 index       */
                        NULL,                           /* void *data        */
@@ -85,7 +84,7 @@ static int sierra_vsc_set_nmea(struct usb_device *udev, __u16 enable)
        dev_dbg(&udev->dev, "%s", "NMEA Enable sent\n");
        result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
                        SWIMS_USB_REQUEST_SetNmea,      /* __u8 request      */
-                       SWIMS_USB_REQUEST_TYPE_VSC_SET, /* __u8 request type */
+                       USB_TYPE_VENDOR,                /* __u8 request type */
                        enable,                         /* __u16 value       */
                        0x0000,                         /* __u16 index       */
                        NULL,                           /* void *data        */
@@ -109,6 +108,26 @@ static int sierra_calc_num_ports(struct usb_serial *serial)
        return result;
 }
 
+static int sierra_calc_interface(struct usb_serial *serial)
+{
+               int interface;
+               struct usb_interface *p_interface;
+               struct usb_host_interface *p_host_interface;
+
+               /* Get the interface structure pointer from the serial struct */
+               p_interface = serial->interface;
+
+               /* Get a pointer to the host interface structure */
+               p_host_interface = p_interface->cur_altsetting;
+
+               /* read the interface descriptor for this active altsetting
+                * to find out the interface number we are on
+               */
+               interface = p_host_interface->desc.bInterfaceNumber;
+
+               return interface;
+}
+
 static int sierra_probe(struct usb_serial *serial,
                        const struct usb_device_id *id)
 {
@@ -124,6 +143,22 @@ static int sierra_probe(struct usb_serial *serial,
        ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
        udev = serial->dev;
 
+               /* Figure out the interface number from the serial structure */
+               ifnum = sierra_calc_interface(serial);
+
+               /*
+                * If this interface supports more than 1 alternate
+                * select the 2nd one
+                */
+               if (serial->interface->num_altsetting == 2) {
+                       dev_dbg(&udev->dev,
+                               "Selecting alt setting for interface %d\n",
+                               ifnum);
+
+                       /* We know the alternate setting is 1 for the MC8785 */
+                       usb_set_interface(udev, ifnum, 1);
+               }
+
        /* Check if in installer mode */
        if (truinstall && id->driver_info == DEVICE_INSTALLER) {
                dev_dbg(&udev->dev, "%s", "FOUND TRU-INSTALL DEVICE(SW)\n");
@@ -156,29 +191,34 @@ static struct usb_device_id id_table [] = {
        { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
        { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
        { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */
-       { USB_DEVICE(0x1199, 0x0023) }, /* Sierra Wireless AirCard */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) }, /* Sierra Wireless C597 */
 
        { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
        { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
        { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
        { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */
        { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Thinkpad internal) */
+       { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */
+       { USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */
        { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
+       { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */
        { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
        { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
+       { USB_DEVICE(0x1199, 0x683B), .driver_info = DEVICE_1_PORT },   /* Sierra Wireless MC8785 Composite*/
        { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
        { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
        { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */
        { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */
        { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */
        { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */
+       { USB_DEVICE(0x1199, 0x6859), .driver_info = DEVICE_1_PORT },   /* Sierra Wireless AirCard 885 E */
+       { USB_DEVICE(0x1199, 0x685A), .driver_info = DEVICE_1_PORT },   /* Sierra Wireless AirCard 885 E */
 
        { USB_DEVICE(0x1199, 0x6468) }, /* Sierra Wireless MP3G - EVDO */
        { USB_DEVICE(0x1199, 0x6469) }, /* Sierra Wireless MP3G - UMTS/HSPA */
 
        { USB_DEVICE(0x1199, 0x0112), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 580 */
        { USB_DEVICE(0x0F3D, 0x0112), .driver_info = DEVICE_1_PORT }, /* Airprime/Sierra PC 5220 */
-       { USB_DEVICE(0x05C6, 0x6613), .driver_info = DEVICE_1_PORT }, /* Onda H600/ZTE MF330 */
 
        { USB_DEVICE(0x1199, 0x0FFF), .driver_info = DEVICE_INSTALLER},
        { }
@@ -197,9 +237,9 @@ struct sierra_port_private {
        spinlock_t lock;        /* lock the structure */
        int outstanding_urbs;   /* number of out urbs in flight */
 
-       /* Input endpoints and buffer for this port */
+       /* Input endpoints and buffers for this port */
        struct urb *in_urbs[N_IN_URB];
-       char in_buffer[N_IN_URB][IN_BUFLEN];
+       char *in_buffer[N_IN_URB];
 
        /* Settings for the port */
        int rts_state;  /* Handshaking pins (outputs) */
@@ -216,7 +256,7 @@ static int sierra_send_setup(struct usb_serial_port *port)
        struct sierra_port_private *portdata;
        __u16 interface = 0;
 
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
 
        portdata = usb_get_serial_port_data(port);
 
@@ -246,24 +286,24 @@ static int sierra_send_setup(struct usb_serial_port *port)
 
 static void sierra_rx_throttle(struct usb_serial_port *port)
 {
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
 }
 
 static void sierra_rx_unthrottle(struct usb_serial_port *port)
 {
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
 }
 
 static void sierra_break_ctl(struct usb_serial_port *port, int break_state)
 {
        /* Unfortunately, I don't know how to send a break */
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
 }
 
 static void sierra_set_termios(struct usb_serial_port *port,
                        struct ktermios *old_termios)
 {
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
        tty_termios_copy_hw(port->tty->termios, old_termios);
        sierra_send_setup(port);
 }
@@ -317,14 +357,14 @@ static void sierra_outdat_callback(struct urb *urb)
        int status = urb->status;
        unsigned long flags;
 
-       dbg("%s - port %d", __FUNCTION__, port->number);
+       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",
-                   __FUNCTION__, status);
+                   __func__, status);
 
        spin_lock_irqsave(&portdata->lock, flags);
        --portdata->outstanding_urbs;
@@ -346,12 +386,12 @@ static int sierra_write(struct usb_serial_port *port,
 
        portdata = usb_get_serial_port_data(port);
 
-       dbg("%s: write (%d chars)", __FUNCTION__, count);
+       dbg("%s: write (%d chars)", __func__, count);
 
        spin_lock_irqsave(&portdata->lock, flags);
        if (portdata->outstanding_urbs > N_OUT_URB) {
                spin_unlock_irqrestore(&portdata->lock, flags);
-               dbg("%s - write limit hit\n", __FUNCTION__);
+               dbg("%s - write limit hit\n", __func__);
                return 0;
        }
        portdata->outstanding_urbs++;
@@ -373,7 +413,7 @@ static int sierra_write(struct usb_serial_port *port,
 
        memcpy(buffer, buf, count);
 
-       usb_serial_debug_data(debug, &port->dev, __FUNCTION__, count, buffer);
+       usb_serial_debug_data(debug, &port->dev, __func__, count, buffer);
 
        usb_fill_bulk_urb(urb, serial->dev,
                          usb_sndbulkpipe(serial->dev,
@@ -384,7 +424,7 @@ static int sierra_write(struct usb_serial_port *port,
        status = usb_submit_urb(urb, GFP_ATOMIC);
        if (status) {
                dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed "
-                       "with status = %d\n", __FUNCTION__, status);
+                       "with status = %d\n", __func__, status);
                count = status;
                goto error;
        }
@@ -414,14 +454,14 @@ static void sierra_indat_callback(struct urb *urb)
        unsigned char *data = urb->transfer_buffer;
        int status = urb->status;
 
-       dbg("%s: %p", __FUNCTION__, urb);
+       dbg("%s: %p", __func__, urb);
 
        endpoint = usb_pipeendpoint(urb->pipe);
-       port = (struct usb_serial_port *) urb->context;
+       port =  urb->context;
 
        if (status) {
                dbg("%s: nonzero status: %d on endpoint %02x.",
-                   __FUNCTION__, status, endpoint);
+                   __func__, status, endpoint);
        } else {
                tty = port->tty;
                if (urb->actual_length) {
@@ -429,7 +469,7 @@ static void sierra_indat_callback(struct urb *urb)
                        tty_insert_flip_string(tty, data, urb->actual_length);
                        tty_flip_buffer_push(tty);
                } else {
-                       dbg("%s: empty read urb received", __FUNCTION__);
+                       dbg("%s: empty read urb received", __func__);
                }
 
                /* Resubmit urb so we continue receiving */
@@ -447,19 +487,19 @@ static void sierra_instat_callback(struct urb *urb)
 {
        int err;
        int status = urb->status;
-       struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
+       struct usb_serial_port *port =  urb->context;
        struct sierra_port_private *portdata = usb_get_serial_port_data(port);
        struct usb_serial *serial = port->serial;
 
-       dbg("%s", __FUNCTION__);
-       dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata);
+       dbg("%s", __func__);
+       dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
 
        if (status == 0) {
                struct usb_ctrlrequest *req_pkt =
                                (struct usb_ctrlrequest *)urb->transfer_buffer;
 
                if (!req_pkt) {
-                       dbg("%s: NULL req_pkt\n", __FUNCTION__);
+                       dbg("%s: NULL req_pkt\n", __func__);
                        return;
                }
                if ((req_pkt->bRequestType == 0xA1) &&
@@ -469,7 +509,7 @@ static void sierra_instat_callback(struct urb *urb)
                                        urb->transfer_buffer +
                                        sizeof(struct usb_ctrlrequest));
 
-                       dbg("%s: signal x%x", __FUNCTION__, signals);
+                       dbg("%s: signal x%x", __func__, signals);
 
                        old_dcd_state = portdata->dcd_state;
                        portdata->cts_state = 1;
@@ -481,11 +521,11 @@ static void sierra_instat_callback(struct urb *urb)
                                        old_dcd_state && !portdata->dcd_state)
                                tty_hangup(port->tty);
                } else {
-                       dbg("%s: type %x req %x", __FUNCTION__,
-                               req_pkt->bRequestType,req_pkt->bRequest);
+                       dbg("%s: type %x req %x", __func__,
+                               req_pkt->bRequestType, req_pkt->bRequest);
                }
        } else
-               dbg("%s: error %d", __FUNCTION__, status);
+               dbg("%s: error %d", __func__, status);
 
        /* Resubmit urb so we continue receiving IRQ data */
        if (status != -ESHUTDOWN) {
@@ -493,7 +533,7 @@ static void sierra_instat_callback(struct urb *urb)
                err = usb_submit_urb(urb, GFP_ATOMIC);
                if (err)
                        dbg("%s: resubmit intr urb failed. (%d)",
-                               __FUNCTION__, err);
+                               __func__, err);
        }
 }
 
@@ -502,14 +542,14 @@ static int sierra_write_room(struct usb_serial_port *port)
        struct sierra_port_private *portdata = usb_get_serial_port_data(port);
        unsigned long flags;
 
-       dbg("%s - port %d", __FUNCTION__, port->number);
+       dbg("%s - port %d", __func__, port->number);
 
        /* try to give a good number back based on if we have any free urbs at
         * this point in time */
        spin_lock_irqsave(&portdata->lock, flags);
        if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) {
                spin_unlock_irqrestore(&portdata->lock, flags);
-               dbg("%s - write limit hit\n", __FUNCTION__);
+               dbg("%s - write limit hit\n", __func__);
                return 0;
        }
        spin_unlock_irqrestore(&portdata->lock, flags);
@@ -519,13 +559,15 @@ static int sierra_write_room(struct usb_serial_port *port)
 
 static int sierra_chars_in_buffer(struct usb_serial_port *port)
 {
-       dbg("%s - port %d", __FUNCTION__, port->number);
+       dbg("%s - port %d", __func__, port->number);
 
        /*
         * We can't really account for how much data we
         * have sent out, but hasn't made it through to the
         * device as we can't see the backend here, so just
         * tell the tty layer that everything is flushed.
+        *
+        * FIXME: should walk the outstanding urbs info
         */
        return 0;
 }
@@ -540,7 +582,7 @@ static int sierra_open(struct usb_serial_port *port, struct file *filp)
 
        portdata = usb_get_serial_port_data(port);
 
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
 
        /* Set some sane defaults */
        portdata->rts_state = 1;
@@ -552,7 +594,7 @@ static int sierra_open(struct usb_serial_port *port, struct file *filp)
                if (!urb)
                        continue;
                if (urb->dev != serial->dev) {
-                       dbg("%s: dev %p != %p", __FUNCTION__,
+                       dbg("%s: dev %p != %p", __func__,
                                urb->dev, serial->dev);
                        continue;
                }
@@ -590,7 +632,7 @@ static void sierra_close(struct usb_serial_port *port, struct file *filp)
        struct usb_serial *serial = port->serial;
        struct sierra_port_private *portdata;
 
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
        portdata = usb_get_serial_port_data(port);
 
        portdata->rts_state = 0;
@@ -620,7 +662,7 @@ static int sierra_startup(struct usb_serial *serial)
        int i;
        int j;
 
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
 
        /* Set Device mode to D0 */
        sierra_set_power_state(serial->dev, 0x0000);
@@ -635,10 +677,19 @@ static int sierra_startup(struct usb_serial *serial)
                portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
                if (!portdata) {
                        dbg("%s: kmalloc for sierra_port_private (%d) failed!.",
-                                       __FUNCTION__, i);
+                                       __func__, i);
                        return -ENOMEM;
                }
                spin_lock_init(&portdata->lock);
+               for (j = 0; j < N_IN_URB; j++) {
+                       portdata->in_buffer[j] = kmalloc(IN_BUFLEN, GFP_KERNEL);
+                       if (!portdata->in_buffer[j]) {
+                               for (--j; j >= 0; j--)
+                                       kfree(portdata->in_buffer[j]);
+                               kfree(portdata);
+                               return -ENOMEM;
+                       }
+               }
 
                usb_set_serial_port_data(port, portdata);
 
@@ -647,7 +698,7 @@ static int sierra_startup(struct usb_serial *serial)
                        urb = usb_alloc_urb(0, GFP_KERNEL);
                        if (urb == NULL) {
                                dbg("%s: alloc for in port failed.",
-                                   __FUNCTION__);
+                                   __func__);
                                continue;
                        }
                        /* Fill URB using supplied data. */
@@ -669,7 +720,7 @@ static void sierra_shutdown(struct usb_serial *serial)
        struct usb_serial_port *port;
        struct sierra_port_private *portdata;
 
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
 
        for (i = 0; i < serial->num_ports; ++i) {
                port = serial->port[i];
@@ -682,7 +733,7 @@ static void sierra_shutdown(struct usb_serial *serial)
                for (j = 0; j < N_IN_URB; j++) {
                        usb_kill_urb(portdata->in_urbs[j]);
                        usb_free_urb(portdata->in_urbs[j]);
-                       portdata->in_urbs[j] = NULL;
+                       kfree(portdata->in_buffer[j]);
                }
                kfree(portdata);
                usb_set_serial_port_data(port, NULL);
@@ -697,9 +748,6 @@ static struct usb_serial_driver sierra_device = {
        .description       = "Sierra USB modem",
        .id_table          = id_table,
        .usb_driver        = &sierra_driver,
-       .num_interrupt_in  = NUM_DONT_CARE,
-       .num_bulk_in       = NUM_DONT_CARE,
-       .num_bulk_out      = NUM_DONT_CARE,
        .calc_num_ports    = sierra_calc_num_ports,
        .probe             = sierra_probe,
        .open              = sierra_open,