-/*
- * 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 */
-};
-