This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / usb / class / cdc-acm.h

diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
new file mode 100644 (file)
index 0000000..2e4f49a
--- /dev/null
+++ b/drivers/usb/class/cdc-acm.h
@@ -0,0 +1,115 @@
+/*
+ *
+ * Includes for cdc-acm.c
+ *
+ * Mainly take from usbnet's cdc-ether part
+ *
+ */
+
+/*
+ * CMSPAR, some architectures can't have space and mark parity.
+ */
+
+#ifndef CMSPAR
+#define CMSPAR                 0
+#endif
+
+/*
+ * Major and minor numbers.
+ */
+
+#define ACM_TTY_MAJOR          166
+#define ACM_TTY_MINORS         32
+
+/*
+ * Requests.
+ */
+
+#define USB_RT_ACM             (USB_TYPE_CLASS | USB_RECIP_INTERFACE)
+
+#define ACM_REQ_COMMAND                0x00
+#define ACM_REQ_RESPONSE       0x01
+#define ACM_REQ_SET_FEATURE    0x02
+#define ACM_REQ_GET_FEATURE    0x03
+#define ACM_REQ_CLEAR_FEATURE  0x04
+
+#define ACM_REQ_SET_LINE       0x20
+#define ACM_REQ_GET_LINE       0x21
+#define ACM_REQ_SET_CONTROL    0x22
+#define ACM_REQ_SEND_BREAK     0x23
+
+/*
+ * IRQs.
+ */
+
+#define ACM_IRQ_NETWORK                0x00
+#define ACM_IRQ_LINE_STATE     0x20
+
+/*
+ * Output control lines.
+ */
+
+#define ACM_CTRL_DTR           0x01
+#define ACM_CTRL_RTS           0x02
+
+/*
+ * Input control lines and line errors.
+ */
+
+#define ACM_CTRL_DCD           0x01
+#define ACM_CTRL_DSR           0x02
+#define ACM_CTRL_BRK           0x04
+#define ACM_CTRL_RI            0x08
+
+#define ACM_CTRL_FRAMING       0x10
+#define ACM_CTRL_PARITY                0x20
+#define ACM_CTRL_OVERRUN       0x40
+
+/*
+ * Line speed and caracter encoding.
+ */
+
+struct acm_line {
+       __u32 speed;
+       __u8 stopbits;
+       __u8 parity;
+       __u8 databits;
+} __attribute__ ((packed));
+
+/*
+ * Internal driver structures.
+ */
+
+struct acm {
+       struct usb_device *dev;                         /* the corresponding usb device */
+       struct usb_interface *control;                  /* control interface */
+       struct usb_interface *data;                     /* data interface */
+       struct tty_struct *tty;                         /* the corresponding tty */
+       struct urb *ctrlurb, *readurb, *writeurb;       /* urbs */
+       struct acm_line line;                           /* line coding (bits, stop, parity) */
+       struct work_struct work;                        /* work queue entry for line discipline waking up */
+       struct tasklet_struct bh;                       /* rx processing */
+       unsigned int ctrlin;                            /* input control lines (DCD, DSR, RI, break, overruns) */
+       unsigned int ctrlout;                           /* output control lines (DTR, RTS) */
+       unsigned int writesize;                         /* max packet size for the output bulk endpoint */
+       unsigned int used;                              /* someone has this acm's device open */
+       unsigned int minor;                             /* acm minor number */
+       unsigned char throttle;                         /* throttled by tty layer */
+       unsigned char clocal;                           /* termios CLOCAL */
+       unsigned char ready_for_write;                  /* write urb can be used */
+};
+
+/* "Union Functional Descriptor" from CDC spec 5.2.3.X */
+struct union_desc {
+       u8      bLength;
+       u8      bDescriptorType;
+       u8      bDescriptorSubType;
+
+       u8      bMasterInterface0;
+       u8      bSlaveInterface0;
+       /* ... and there could be other slave interfaces */
+} __attribute__ ((packed));
+
+#define CDC_UNION_TYPE         0x06
+#define CDC_DATA_INTERFACE_TYPE        0x0a
+