// SPDX-License-Identifier: GPL-2.0+ /* * TI 3410/5052 USB Serial Driver * * Copyright (C) 2004 Texas Instruments * * This driver is based on the Linux io_ti driver, which is * Copyright (C) 2000-2002 Inside Out Networks * Copyright (C) 2001-2002 Greg Kroah-Hartman * * For questions or problems with this driver, contact Texas Instruments * technical support, or Al Borchers <[email protected]>, or * Peter Berger <[email protected]>. */ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/firmware.h> #include <linux/slab.h> #include <linux/tty.h> #include <linux/tty_driver.h> #include <linux/tty_flip.h> #include <linux/module.h> #include <linux/spinlock.h> #include <linux/ioctl.h> #include <linux/serial.h> #include <linux/kfifo.h> #include <linux/mutex.h> #include <linux/uaccess.h> #include <linux/usb.h> #include <linux/usb/serial.h> /* Configuration ids */ #define TI_BOOT_CONFIG … #define TI_ACTIVE_CONFIG … /* Vendor and product ids */ #define TI_VENDOR_ID … #define IBM_VENDOR_ID … #define STARTECH_VENDOR_ID … #define TI_3410_PRODUCT_ID … #define IBM_4543_PRODUCT_ID … #define IBM_454B_PRODUCT_ID … #define IBM_454C_PRODUCT_ID … #define TI_3410_EZ430_ID … #define TI_5052_BOOT_PRODUCT_ID … #define TI_5152_BOOT_PRODUCT_ID … #define TI_5052_EEPROM_PRODUCT_ID … #define TI_5052_FIRMWARE_PRODUCT_ID … #define FRI2_PRODUCT_ID … /* Multi-Tech vendor and product ids */ #define MTS_VENDOR_ID … #define MTS_GSM_NO_FW_PRODUCT_ID … #define MTS_CDMA_NO_FW_PRODUCT_ID … #define MTS_CDMA_PRODUCT_ID … #define MTS_GSM_PRODUCT_ID … #define MTS_EDGE_PRODUCT_ID … #define MTS_MT9234MU_PRODUCT_ID … #define MTS_MT9234ZBA_PRODUCT_ID … #define MTS_MT9234ZBAOLD_PRODUCT_ID … /* Abbott Diabetics vendor and product ids */ #define ABBOTT_VENDOR_ID … #define ABBOTT_STEREO_PLUG_ID … #define ABBOTT_PRODUCT_ID … #define ABBOTT_STRIP_PORT_ID … /* Honeywell vendor and product IDs */ #define HONEYWELL_VENDOR_ID … #define HONEYWELL_HGI80_PRODUCT_ID … /* Moxa UPORT 11x0 vendor and product IDs */ #define MXU1_VENDOR_ID … #define MXU1_1110_PRODUCT_ID … #define MXU1_1130_PRODUCT_ID … #define MXU1_1150_PRODUCT_ID … #define MXU1_1151_PRODUCT_ID … #define MXU1_1131_PRODUCT_ID … /* Commands */ #define TI_GET_VERSION … #define TI_GET_PORT_STATUS … #define TI_GET_PORT_DEV_INFO … #define TI_GET_CONFIG … #define TI_SET_CONFIG … #define TI_OPEN_PORT … #define TI_CLOSE_PORT … #define TI_START_PORT … #define TI_STOP_PORT … #define TI_TEST_PORT … #define TI_PURGE_PORT … #define TI_RESET_EXT_DEVICE … #define TI_WRITE_DATA … #define TI_READ_DATA … #define TI_REQ_TYPE_CLASS … /* Module identifiers */ #define TI_I2C_PORT … #define TI_IEEE1284_PORT … #define TI_UART1_PORT … #define TI_UART2_PORT … #define TI_RAM_PORT … /* Modem status */ #define TI_MSR_DELTA_CTS … #define TI_MSR_DELTA_DSR … #define TI_MSR_DELTA_RI … #define TI_MSR_DELTA_CD … #define TI_MSR_CTS … #define TI_MSR_DSR … #define TI_MSR_RI … #define TI_MSR_CD … #define TI_MSR_DELTA_MASK … #define TI_MSR_MASK … /* Line status */ #define TI_LSR_OVERRUN_ERROR … #define TI_LSR_PARITY_ERROR … #define TI_LSR_FRAMING_ERROR … #define TI_LSR_BREAK … #define TI_LSR_ERROR … #define TI_LSR_RX_FULL … #define TI_LSR_TX_EMPTY … #define TI_LSR_TX_EMPTY_BOTH … /* Line control */ #define TI_LCR_BREAK … /* Modem control */ #define TI_MCR_LOOP … #define TI_MCR_DTR … #define TI_MCR_RTS … /* Mask settings */ #define TI_UART_ENABLE_RTS_IN … #define TI_UART_DISABLE_RTS … #define TI_UART_ENABLE_PARITY_CHECKING … #define TI_UART_ENABLE_DSR_OUT … #define TI_UART_ENABLE_CTS_OUT … #define TI_UART_ENABLE_X_OUT … #define TI_UART_ENABLE_XA_OUT … #define TI_UART_ENABLE_X_IN … #define TI_UART_ENABLE_DTR_IN … #define TI_UART_DISABLE_DTR … #define TI_UART_ENABLE_MS_INTS … #define TI_UART_ENABLE_AUTO_START_DMA … /* Parity */ #define TI_UART_NO_PARITY … #define TI_UART_ODD_PARITY … #define TI_UART_EVEN_PARITY … #define TI_UART_MARK_PARITY … #define TI_UART_SPACE_PARITY … /* Stop bits */ #define TI_UART_1_STOP_BITS … #define TI_UART_1_5_STOP_BITS … #define TI_UART_2_STOP_BITS … /* Bits per character */ #define TI_UART_5_DATA_BITS … #define TI_UART_6_DATA_BITS … #define TI_UART_7_DATA_BITS … #define TI_UART_8_DATA_BITS … /* 232/485 modes */ #define TI_UART_232 … #define TI_UART_485_RECEIVER_DISABLED … #define TI_UART_485_RECEIVER_ENABLED … /* Pipe transfer mode and timeout */ #define TI_PIPE_MODE_CONTINUOUS … #define TI_PIPE_MODE_MASK … #define TI_PIPE_TIMEOUT_MASK … #define TI_PIPE_TIMEOUT_ENABLE … /* Config struct */ struct ti_uart_config { … }; /* Get port status */ struct ti_port_status { … }; /* Purge modes */ #define TI_PURGE_OUTPUT … #define TI_PURGE_INPUT … /* Read/Write data */ #define TI_RW_DATA_ADDR_SFR … #define TI_RW_DATA_ADDR_IDATA … #define TI_RW_DATA_ADDR_XDATA … #define TI_RW_DATA_ADDR_CODE … #define TI_RW_DATA_ADDR_GPIO … #define TI_RW_DATA_ADDR_I2C … #define TI_RW_DATA_ADDR_FLASH … #define TI_RW_DATA_ADDR_DSP … #define TI_RW_DATA_UNSPECIFIED … #define TI_RW_DATA_BYTE … #define TI_RW_DATA_WORD … #define TI_RW_DATA_DOUBLE_WORD … struct ti_write_data_bytes { … } __packed; struct ti_read_data_request { … } __packed; struct ti_read_data_bytes { … }; /* Interrupt struct */ struct ti_interrupt { … }; /* Interrupt codes */ #define TI_CODE_HARDWARE_ERROR … #define TI_CODE_DATA_ERROR … #define TI_CODE_MODEM_STATUS … /* Download firmware max packet size */ #define TI_DOWNLOAD_MAX_PACKET_SIZE … /* Firmware image header */ struct ti_firmware_header { … } __packed; /* UART addresses */ #define TI_UART1_BASE_ADDR … #define TI_UART2_BASE_ADDR … #define TI_UART_OFFSET_LCR … #define TI_UART_OFFSET_MCR … #define TI_DRIVER_AUTHOR … #define TI_DRIVER_DESC … #define TI_FIRMWARE_BUF_SIZE … #define TI_TRANSFER_TIMEOUT … /* read urb states */ #define TI_READ_URB_RUNNING … #define TI_READ_URB_STOPPING … #define TI_READ_URB_STOPPED … #define TI_EXTRA_VID_PID_COUNT … struct ti_port { … }; struct ti_device { … }; static int ti_startup(struct usb_serial *serial); static void ti_release(struct usb_serial *serial); static int ti_port_probe(struct usb_serial_port *port); static void ti_port_remove(struct usb_serial_port *port); static int ti_open(struct tty_struct *tty, struct usb_serial_port *port); static void ti_close(struct usb_serial_port *port); static int ti_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *data, int count); static unsigned int ti_write_room(struct tty_struct *tty); static unsigned int ti_chars_in_buffer(struct tty_struct *tty); static bool ti_tx_empty(struct usb_serial_port *port); static void ti_throttle(struct tty_struct *tty); static void ti_unthrottle(struct tty_struct *tty); static void ti_set_termios(struct tty_struct *tty, struct usb_serial_port *port, const struct ktermios *old_termios); static int ti_tiocmget(struct tty_struct *tty); static int ti_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear); static int ti_break(struct tty_struct *tty, int break_state); static void ti_interrupt_callback(struct urb *urb); static void ti_bulk_in_callback(struct urb *urb); static void ti_bulk_out_callback(struct urb *urb); static void ti_recv(struct usb_serial_port *port, unsigned char *data, int length); static void ti_send(struct ti_port *tport); static int ti_set_mcr(struct ti_port *tport, unsigned int mcr); static int ti_get_lsr(struct ti_port *tport, u8 *lsr); static void ti_get_serial_info(struct tty_struct *tty, struct serial_struct *ss); static void ti_handle_new_msr(struct ti_port *tport, u8 msr); static void ti_stop_read(struct ti_port *tport, struct tty_struct *tty); static int ti_restart_read(struct ti_port *tport, struct tty_struct *tty); static int ti_command_out_sync(struct usb_device *udev, u8 command, u16 moduleid, u16 value, void *data, int size); static int ti_command_in_sync(struct usb_device *udev, u8 command, u16 moduleid, u16 value, void *data, int size); static int ti_port_cmd_out(struct usb_serial_port *port, u8 command, u16 value, void *data, int size); static int ti_port_cmd_in(struct usb_serial_port *port, u8 command, u16 value, void *data, int size); static int ti_write_byte(struct usb_serial_port *port, struct ti_device *tdev, unsigned long addr, u8 mask, u8 byte); static int ti_download_firmware(struct ti_device *tdev); static const struct usb_device_id ti_id_table_3410[] = …; static const struct usb_device_id ti_id_table_5052[] = …; static const struct usb_device_id ti_id_table_combined[] = …; static struct usb_serial_driver ti_1port_device = …; static struct usb_serial_driver ti_2port_device = …; static struct usb_serial_driver * const serial_drivers[] = …; MODULE_AUTHOR(…); MODULE_DESCRIPTION(…); MODULE_LICENSE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_DEVICE_TABLE(usb, ti_id_table_combined); module_usb_serial_driver(…); static int ti_startup(struct usb_serial *serial) { … } static void ti_release(struct usb_serial *serial) { … } static int ti_port_probe(struct usb_serial_port *port) { … } static void ti_port_remove(struct usb_serial_port *port) { … } static int ti_open(struct tty_struct *tty, struct usb_serial_port *port) { … } static void ti_close(struct usb_serial_port *port) { … } static int ti_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *data, int count) { … } static unsigned int ti_write_room(struct tty_struct *tty) { … } static unsigned int ti_chars_in_buffer(struct tty_struct *tty) { … } static bool ti_tx_empty(struct usb_serial_port *port) { … } static void ti_throttle(struct tty_struct *tty) { … } static void ti_unthrottle(struct tty_struct *tty) { … } static void ti_set_termios(struct tty_struct *tty, struct usb_serial_port *port, const struct ktermios *old_termios) { … } static int ti_tiocmget(struct tty_struct *tty) { … } static int ti_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear) { … } static int ti_break(struct tty_struct *tty, int break_state) { … } static int ti_get_port_from_code(unsigned char code) { … } static int ti_get_func_from_code(unsigned char code) { … } static void ti_interrupt_callback(struct urb *urb) { … } static void ti_bulk_in_callback(struct urb *urb) { … } static void ti_bulk_out_callback(struct urb *urb) { … } static void ti_recv(struct usb_serial_port *port, unsigned char *data, int length) { … } static void ti_send(struct ti_port *tport) { … } static int ti_set_mcr(struct ti_port *tport, unsigned int mcr) { … } static int ti_get_lsr(struct ti_port *tport, u8 *lsr) { … } static void ti_get_serial_info(struct tty_struct *tty, struct serial_struct *ss) { … } static void ti_handle_new_msr(struct ti_port *tport, u8 msr) { … } static void ti_stop_read(struct ti_port *tport, struct tty_struct *tty) { … } static int ti_restart_read(struct ti_port *tport, struct tty_struct *tty) { … } static int ti_command_out_sync(struct usb_device *udev, u8 command, u16 moduleid, u16 value, void *data, int size) { … } static int ti_command_in_sync(struct usb_device *udev, u8 command, u16 moduleid, u16 value, void *data, int size) { … } static int ti_port_cmd_out(struct usb_serial_port *port, u8 command, u16 value, void *data, int size) { … } static int ti_port_cmd_in(struct usb_serial_port *port, u8 command, u16 value, void *data, int size) { … } static int ti_write_byte(struct usb_serial_port *port, struct ti_device *tdev, unsigned long addr, u8 mask, u8 byte) { … } static int ti_do_download(struct usb_device *dev, int pipe, u8 *buffer, int size) { … } static int ti_download_firmware(struct ti_device *tdev) { … }
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