| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * USB ConnectTech WhiteHEAT driver |
| * |
| * Copyright (C) 2002 |
| * Connect Tech Inc. |
| * |
| * Copyright (C) 1999, 2000 |
| * Greg Kroah-Hartman (greg@kroah.com) |
| * |
| * See Documentation/usb/usb-serial.rst for more information on using this |
| * driver |
| * |
| */ |
| |
| #ifndef __LINUX_USB_SERIAL_WHITEHEAT_H |
| #define __LINUX_USB_SERIAL_WHITEHEAT_H |
| |
| |
| /* WhiteHEAT commands */ |
| #define WHITEHEAT_OPEN 1 /* open the port */ |
| #define WHITEHEAT_CLOSE 2 /* close the port */ |
| #define WHITEHEAT_SETUP_PORT 3 /* change port settings */ |
| #define WHITEHEAT_SET_RTS 4 /* turn RTS on or off */ |
| #define WHITEHEAT_SET_DTR 5 /* turn DTR on or off */ |
| #define WHITEHEAT_SET_BREAK 6 /* turn BREAK on or off */ |
| #define WHITEHEAT_DUMP 7 /* dump memory */ |
| #define WHITEHEAT_STATUS 8 /* get status */ |
| #define WHITEHEAT_PURGE 9 /* clear the UART fifos */ |
| #define WHITEHEAT_GET_DTR_RTS 10 /* get the state of DTR and RTS |
| for a port */ |
| #define WHITEHEAT_GET_HW_INFO 11 /* get EEPROM info and |
| hardware ID */ |
| #define WHITEHEAT_REPORT_TX_DONE 12 /* get the next TX done */ |
| #define WHITEHEAT_EVENT 13 /* unsolicited status events */ |
| #define WHITEHEAT_ECHO 14 /* send data to the indicated |
| IN endpoint */ |
| #define WHITEHEAT_DO_TEST 15 /* perform specified test */ |
| #define WHITEHEAT_CMD_COMPLETE 16 /* reply for some commands */ |
| #define WHITEHEAT_CMD_FAILURE 17 /* reply for failed commands */ |
| |
| |
| /* |
| * Commands to the firmware |
| */ |
| |
| |
| /* |
| * WHITEHEAT_OPEN |
| * WHITEHEAT_CLOSE |
| * WHITEHEAT_STATUS |
| * WHITEHEAT_GET_DTR_RTS |
| * WHITEHEAT_REPORT_TX_DONE |
| */ |
| struct whiteheat_simple { |
| __u8 port; /* port number (1 to N) */ |
| }; |
| |
| |
| /* |
| * WHITEHEAT_SETUP_PORT |
| */ |
| #define WHITEHEAT_PAR_NONE 'n' /* no parity */ |
| #define WHITEHEAT_PAR_EVEN 'e' /* even parity */ |
| #define WHITEHEAT_PAR_ODD 'o' /* odd parity */ |
| #define WHITEHEAT_PAR_SPACE '0' /* space (force 0) parity */ |
| #define WHITEHEAT_PAR_MARK '1' /* mark (force 1) parity */ |
| |
| #define WHITEHEAT_SFLOW_NONE 'n' /* no software flow control */ |
| #define WHITEHEAT_SFLOW_RX 'r' /* XOFF/ON is sent when RX |
| fills/empties */ |
| #define WHITEHEAT_SFLOW_TX 't' /* when received XOFF/ON will |
| stop/start TX */ |
| #define WHITEHEAT_SFLOW_RXTX 'b' /* both SFLOW_RX and SFLOW_TX */ |
| |
| #define WHITEHEAT_HFLOW_NONE 0x00 /* no hardware flow control */ |
| #define WHITEHEAT_HFLOW_RTS_TOGGLE 0x01 /* RTS is on during transmit, |
| off otherwise */ |
| #define WHITEHEAT_HFLOW_DTR 0x02 /* DTR is off/on when RX |
| fills/empties */ |
| #define WHITEHEAT_HFLOW_CTS 0x08 /* when received CTS off/on |
| will stop/start TX */ |
| #define WHITEHEAT_HFLOW_DSR 0x10 /* when received DSR off/on |
| will stop/start TX */ |
| #define WHITEHEAT_HFLOW_RTS 0x80 /* RTS is off/on when RX |
| fills/empties */ |
| |
| struct whiteheat_port_settings { |
| __u8 port; /* port number (1 to N) */ |
| __u32 baud; /* any value 7 - 460800, firmware calculates |
| best fit; arrives little endian */ |
| __u8 bits; /* 5, 6, 7, or 8 */ |
| __u8 stop; /* 1 or 2, default 1 (2 = 1.5 if bits = 5) */ |
| __u8 parity; /* see WHITEHEAT_PAR_* above */ |
| __u8 sflow; /* see WHITEHEAT_SFLOW_* above */ |
| __u8 xoff; /* XOFF byte value */ |
| __u8 xon; /* XON byte value */ |
| __u8 hflow; /* see WHITEHEAT_HFLOW_* above */ |
| __u8 lloop; /* 0/1 turns local loopback mode off/on */ |
| } __attribute__ ((packed)); |
| |
| |
| /* |
| * WHITEHEAT_SET_RTS |
| * WHITEHEAT_SET_DTR |
| * WHITEHEAT_SET_BREAK |
| */ |
| #define WHITEHEAT_RTS_OFF 0x00 |
| #define WHITEHEAT_RTS_ON 0x01 |
| #define WHITEHEAT_DTR_OFF 0x00 |
| #define WHITEHEAT_DTR_ON 0x01 |
| #define WHITEHEAT_BREAK_OFF 0x00 |
| #define WHITEHEAT_BREAK_ON 0x01 |
| |
| struct whiteheat_set_rdb { |
| __u8 port; /* port number (1 to N) */ |
| __u8 state; /* 0/1 turns signal off/on */ |
| }; |
| |
| |
| /* |
| * WHITEHEAT_DUMP |
| */ |
| #define WHITEHEAT_DUMP_MEM_DATA 'd' /* data */ |
| #define WHITEHEAT_DUMP_MEM_IDATA 'i' /* idata */ |
| #define WHITEHEAT_DUMP_MEM_BDATA 'b' /* bdata */ |
| #define WHITEHEAT_DUMP_MEM_XDATA 'x' /* xdata */ |
| |
| /* |
| * Allowable address ranges (firmware checks address): |
| * Type DATA: 0x00 - 0xff |
| * Type IDATA: 0x80 - 0xff |
| * Type BDATA: 0x20 - 0x2f |
| * Type XDATA: 0x0000 - 0xffff |
| * |
| * B/I/DATA all read the local memory space |
| * XDATA reads the external memory space |
| * BDATA returns bits as bytes |
| * |
| * NOTE: 0x80 - 0xff (local space) are the Special Function Registers |
| * of the 8051, and some have on-read side-effects. |
| */ |
| |
| struct whiteheat_dump { |
| __u8 mem_type; /* see WHITEHEAT_DUMP_* above */ |
| __u16 addr; /* address, see restrictions above */ |
| __u16 length; /* number of bytes to dump, max 63 bytes */ |
| }; |
| |
| |
| /* |
| * WHITEHEAT_PURGE |
| */ |
| #define WHITEHEAT_PURGE_RX 0x01 /* purge rx fifos */ |
| #define WHITEHEAT_PURGE_TX 0x02 /* purge tx fifos */ |
| |
| struct whiteheat_purge { |
| __u8 port; /* port number (1 to N) */ |
| __u8 what; /* bit pattern of what to purge */ |
| }; |
| |
| |
| /* |
| * WHITEHEAT_ECHO |
| */ |
| struct whiteheat_echo { |
| __u8 port; /* port number (1 to N) */ |
| __u8 length; /* length of message to echo, max 61 bytes */ |
| __u8 echo_data[61]; /* data to echo */ |
| }; |
| |
| |
| /* |
| * WHITEHEAT_DO_TEST |
| */ |
| #define WHITEHEAT_TEST_UART_RW 0x01 /* read/write uart registers */ |
| #define WHITEHEAT_TEST_UART_INTR 0x02 /* uart interrupt */ |
| #define WHITEHEAT_TEST_SETUP_CONT 0x03 /* setup for |
| PORT_CONT/PORT_DISCONT */ |
| #define WHITEHEAT_TEST_PORT_CONT 0x04 /* port connect */ |
| #define WHITEHEAT_TEST_PORT_DISCONT 0x05 /* port disconnect */ |
| #define WHITEHEAT_TEST_UART_CLK_START 0x06 /* uart clock test start */ |
| #define WHITEHEAT_TEST_UART_CLK_STOP 0x07 /* uart clock test stop */ |
| #define WHITEHEAT_TEST_MODEM_FT 0x08 /* modem signals, requires a |
| loopback cable/connector */ |
| #define WHITEHEAT_TEST_ERASE_EEPROM 0x09 /* erase eeprom */ |
| #define WHITEHEAT_TEST_READ_EEPROM 0x0a /* read eeprom */ |
| #define WHITEHEAT_TEST_PROGRAM_EEPROM 0x0b /* program eeprom */ |
| |
| struct whiteheat_test { |
| __u8 port; /* port number (1 to n) */ |
| __u8 test; /* see WHITEHEAT_TEST_* above*/ |
| __u8 info[32]; /* additional info */ |
| }; |
| |
| |
| /* |
| * Replies from the firmware |
| */ |
| |
| |
| /* |
| * WHITEHEAT_STATUS |
| */ |
| #define WHITEHEAT_EVENT_MODEM 0x01 /* modem field is valid */ |
| #define WHITEHEAT_EVENT_ERROR 0x02 /* error field is valid */ |
| #define WHITEHEAT_EVENT_FLOW 0x04 /* flow field is valid */ |
| #define WHITEHEAT_EVENT_CONNECT 0x08 /* connect field is valid */ |
| |
| #define WHITEHEAT_FLOW_NONE 0x00 /* no flow control active */ |
| #define WHITEHEAT_FLOW_HARD_OUT 0x01 /* TX is stopped by CTS |
| (waiting for CTS to go on) */ |
| #define WHITEHEAT_FLOW_HARD_IN 0x02 /* remote TX is stopped |
| by RTS */ |
| #define WHITEHEAT_FLOW_SOFT_OUT 0x04 /* TX is stopped by XOFF |
| received (waiting for XON) */ |
| #define WHITEHEAT_FLOW_SOFT_IN 0x08 /* remote TX is stopped by XOFF |
| transmitted */ |
| #define WHITEHEAT_FLOW_TX_DONE 0x80 /* TX has completed */ |
| |
| struct whiteheat_status_info { |
| __u8 port; /* port number (1 to N) */ |
| __u8 event; /* indicates what the current event is, |
| see WHITEHEAT_EVENT_* above */ |
| __u8 modem; /* modem signal status (copy of uart's |
| MSR register) */ |
| __u8 error; /* line status (copy of uart's LSR register) */ |
| __u8 flow; /* flow control state, see WHITEHEAT_FLOW_* |
| above */ |
| __u8 connect; /* 0 means not connected, non-zero means |
| connected */ |
| }; |
| |
| |
| /* |
| * WHITEHEAT_GET_DTR_RTS |
| */ |
| struct whiteheat_dr_info { |
| __u8 mcr; /* copy of uart's MCR register */ |
| }; |
| |
| |
| /* |
| * WHITEHEAT_GET_HW_INFO |
| */ |
| struct whiteheat_hw_info { |
| __u8 hw_id; /* hardware id number, WhiteHEAT = 0 */ |
| __u8 sw_major_rev; /* major version number */ |
| __u8 sw_minor_rev; /* minor version number */ |
| struct whiteheat_hw_eeprom_info { |
| __u8 b0; /* B0 */ |
| __u8 vendor_id_low; /* vendor id (low byte) */ |
| __u8 vendor_id_high; /* vendor id (high byte) */ |
| __u8 product_id_low; /* product id (low byte) */ |
| __u8 product_id_high; /* product id (high byte) */ |
| __u8 device_id_low; /* device id (low byte) */ |
| __u8 device_id_high; /* device id (high byte) */ |
| __u8 not_used_1; |
| __u8 serial_number_0; /* serial number (low byte) */ |
| __u8 serial_number_1; /* serial number */ |
| __u8 serial_number_2; /* serial number */ |
| __u8 serial_number_3; /* serial number (high byte) */ |
| __u8 not_used_2; |
| __u8 not_used_3; |
| __u8 checksum_low; /* checksum (low byte) */ |
| __u8 checksum_high; /* checksum (high byte */ |
| } hw_eeprom_info; /* EEPROM contents */ |
| }; |
| |
| |
| /* |
| * WHITEHEAT_EVENT |
| */ |
| struct whiteheat_event_info { |
| __u8 port; /* port number (1 to N) */ |
| __u8 event; /* see whiteheat_status_info.event */ |
| __u8 info; /* see whiteheat_status_info.modem, .error, |
| .flow, .connect */ |
| }; |
| |
| |
| /* |
| * WHITEHEAT_DO_TEST |
| */ |
| #define WHITEHEAT_TEST_FAIL 0x00 /* test failed */ |
| #define WHITEHEAT_TEST_UNKNOWN 0x01 /* unknown test requested */ |
| #define WHITEHEAT_TEST_PASS 0xff /* test passed */ |
| |
| struct whiteheat_test_info { |
| __u8 port; /* port number (1 to N) */ |
| __u8 test; /* indicates which test this is a response for, |
| see WHITEHEAT_DO_TEST above */ |
| __u8 status; /* see WHITEHEAT_TEST_* above */ |
| __u8 results[32]; /* test-dependent results */ |
| }; |
| |
| |
| #endif |
