/* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* * CMSPAR, some architectures can't have space and mark parity. */ #ifndef CMSPAR #define CMSPAR 0 #endif /* * Major and minor numbers. */ #define XR_USB_SERIAL_TTY_MAJOR 266 #define XR_USB_SERIAL_TTY_MINORS 32 /* * Requests. */ #define USB_RT_XR_USB_SERIAL (USB_TYPE_CLASS | USB_RECIP_INTERFACE) /* * Output control lines. */ #define XR_USB_SERIAL_CTRL_DTR 0x01 #define XR_USB_SERIAL_CTRL_RTS 0x02 /* * Input control lines and line errors. */ #define XR_USB_SERIAL_CTRL_DCD 0x01 #define XR_USB_SERIAL_CTRL_DSR 0x02 #define XR_USB_SERIAL_CTRL_BRK 0x04 #define XR_USB_SERIAL_CTRL_RI 0x08 #define XR_USB_SERIAL_CTRL_FRAMING 0x10 #define XR_USB_SERIAL_CTRL_PARITY 0x20 #define XR_USB_SERIAL_CTRL_OVERRUN 0x40 /* * Internal driver structures. */ /* * The only reason to have several buffers is to accommodate assumptions * in line disciplines. They ask for empty space amount, receive our URB size, * and proceed to issue several 1-character writes, assuming they will fit. * The very first write takes a complete URB. Fortunately, this only happens * when processing onlcr, so we only need 2 buffers. These values must be * powers of 2. */ #define XR_USB_SERIAL_NW 16 #define XR_USB_SERIAL_NR 16 #define RAMCTL_BUFFER_PARITY 0x1 #define RAMCTL_BUFFER_BREAK 0x2 #define RAMCTL_BUFFER_FRAME 0x4 #define RAMCTL_BUFFER_OVERRUN 0x8 struct xr_usb_serial_wb { unsigned char *buf; dma_addr_t dmah; int len; int use; struct urb *urb; struct xr_usb_serial *instance; }; struct xr_usb_serial_rb { int size; unsigned char *base; dma_addr_t dma; int index; struct xr_usb_serial *instance; }; struct reg_addr_map { unsigned int uart_enable_addr; unsigned int uart_format_addr; unsigned int uart_flow_addr; unsigned int uart_loopback_addr; unsigned int uart_xon_char_addr; unsigned int uart_xoff_char_addr; unsigned int uart_gpio_mode_addr; unsigned int uart_gpio_dir_addr; unsigned int uart_gpio_set_addr; unsigned int uart_gpio_clr_addr; unsigned int uart_gpio_status_addr; unsigned int tx_break_addr; unsigned int uart_custom_driver; unsigned int uart_low_latency; }; struct xr_usb_serial { struct usb_device *dev; /* the corresponding usb device */ struct usb_interface *control; /* control interface */ struct usb_interface *data; /* data interface */ struct tty_port port; /* our tty port data */ struct urb *ctrlurb; /* urbs */ u8 *ctrl_buffer; /* buffers of urbs */ dma_addr_t ctrl_dma; /* dma handles of buffers */ u8 *country_codes; /* country codes from device */ unsigned int country_code_size; /* size of this buffer */ unsigned int country_rel_date; /* release date of version */ struct xr_usb_serial_wb wb[XR_USB_SERIAL_NW]; unsigned long read_urbs_free; struct urb *read_urbs[XR_USB_SERIAL_NR]; struct xr_usb_serial_rb read_buffers[XR_USB_SERIAL_NR]; int rx_buflimit; int rx_endpoint; spinlock_t read_lock; int write_used; /* number of non-empty write buffers */ int transmitting; spinlock_t write_lock; struct mutex mutex; bool disconnected; struct usb_cdc_line_coding line; /* bits, stop, parity */ struct work_struct work; /* work queue entry for line discipline waking up */ 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 readsize,ctrlsize; /* buffer sizes for freeing */ unsigned int minor; /* xr_usb_serial minor number */ unsigned char clocal; /* termios CLOCAL */ unsigned int ctrl_caps; /* control capabilities from the class specific header */ unsigned int susp_count; /* number of suspended interfaces */ unsigned int combined_interfaces:1; /* control and data collapsed */ unsigned int is_int_ep:1; /* interrupt endpoints contrary to spec used */ unsigned int throttled:1; /* actually throttled */ unsigned int throttle_req:1; /* throttle requested */ u8 bInterval; struct xr_usb_serial_wb *delayed_wb; /* write queued for a device about to be woken */ unsigned int channel; int preciseflags; /* USB: wide mode, TTY: flags per character */ int trans9; /* USB: wide mode, serial 9N1 */ int have_extra_byte; int extra_byte; unsigned short DeviceVendor; unsigned short DeviceProduct; struct reg_addr_map reg_map; }; #define CDC_DATA_INTERFACE_TYPE 0x0a /* constants describing various quirks and errors */ #define NO_UNION_NORMAL 1 #define SINGLE_RX_URB 2 #define NO_CAP_LINE 4 #define NOT_A_MODEM 8 #define NO_DATA_INTERFACE 16 #define IGNORE_DEVICE 32 #define UART_ENABLE_TX 1 #define UART_ENABLE_RX 2 #define UART_GPIO_CLR_DTR 0x8 #define UART_GPIO_SET_DTR 0x8 #define UART_GPIO_CLR_RTS 0x20 #define UART_GPIO_SET_RTS 0x20 #define LOOPBACK_ENABLE_TX_RX 1 #define LOOPBACK_ENABLE_RTS_CTS 2 #define LOOPBACK_ENABLE_DTR_DSR 4 #define UART_FLOW_MODE_NONE 0x0 #define UART_FLOW_MODE_HW 0x1 #define UART_FLOW_MODE_HW_HALF 0x9 #define UART_FLOW_MODE_SW 0x2 #define UART_GPIO_MODE_SEL_GPIO 0x0 #define UART_GPIO_MODE_SEL_RTS_CTS 0x1 #define UART_GPIO_MODE_SEL_RS485 0xb//by Lyle #define XR2280x_FUNC_MGR_OFFSET 0x40