pl2303.c revision 1143832eca8f1d64da7d85642c956ae9d25c69e1
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Prolific PL2303 USB to serial adaptor driver 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 44d0dce3e0b794942407391c52f8dd2760802f391Greg Kroah-Hartman * Copyright (C) 2001-2007 Greg Kroah-Hartman (greg@kroah.com) 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2003 IBM Corp. 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Original driver for 2.2.x by anonymous 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 94d0dce3e0b794942407391c52f8dd2760802f391Greg Kroah-Hartman * This program is free software; you can redistribute it and/or 104d0dce3e0b794942407391c52f8dd2760802f391Greg Kroah-Hartman * modify it under the terms of the GNU General Public License version 114d0dce3e0b794942407391c52f8dd2760802f391Greg Kroah-Hartman * 2 as published by the Free Software Foundation. 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 133a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox * See Documentation/usb/usb-serial.txt for more information on using this 143a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox * driver 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/tty.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/tty_driver.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/tty_flip.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/serial.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/moduleparam.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/spinlock.h> 293a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox#include <linux/uaccess.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/usb.h> 31a969888ce91673c7f4b86520d851a6f0d5a5fa7dGreg Kroah-Hartman#include <linux/usb/serial.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "pl2303.h" 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Version Information 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DRIVER_DESC "Prolific PL2303 USB to serial adaptor driver" 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 397d40d7e85a25e01948bcb4dc3eda1355af318337Németh Mártonstatic const struct usb_device_id id_table[] = { 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID) }, 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ2) }, 423d861494729c70d9ebeb7d93caa107897925c355Peter Moulder { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_DCU11) }, 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ3) }, 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_PHAROS) }, 45b483b6aaa56f0db72fa50e85b6499a32d82009bfMax Arnold { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ALDIGA) }, 464be2fa186d54758296d30c565d7b5111dd45b000Steve Murphy { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MMX) }, 47727df3569b358ef440683787c2b9fe8cc55a0954Greg Kroah-Hartman { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) }, 4818344a1cd5889d48dac67229fcf024ed300030d5Simone Contini { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) }, 4996a3e79edff6f41b0f115a82f1a39d66218077a7Dario Lombardo { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) }, 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) }, 518a28dea3accda319d51a1bf4d3e280771d946f78Masakazu Mokuno { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) }, 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) }, 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) }, 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) }, 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID_UCSGT) }, 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ITEGNO_VENDOR_ID, ITEGNO_PRODUCT_ID) }, 5758381719845d9ee19a321c2eb69cfa9b7886be9aWang Jun { USB_DEVICE(ITEGNO_VENDOR_ID, ITEGNO_PRODUCT_ID_2080) }, 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(MA620_VENDOR_ID, MA620_PRODUCT_ID) }, 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID) }, 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(TRIPP_VENDOR_ID, TRIPP_PRODUCT_ID) }, 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(RADIOSHACK_VENDOR_ID, RADIOSHACK_PRODUCT_ID) }, 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(DCU10_VENDOR_ID, DCU10_PRODUCT_ID) }, 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(SITECOM_VENDOR_ID, SITECOM_PRODUCT_ID) }, 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_ID) }, 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_ID) }, 66a8310f3b8b713e52d77c56d4b8865685ee40d02aLuiz Fernando Capitulino { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_SX1) }, 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X65) }, 68a8310f3b8b713e52d77c56d4b8865685ee40d02aLuiz Fernando Capitulino { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X75) }, 69e7beb667842ad0f6ec95a22e7c88e71dfbd60649Andreas Loibl { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_EF81) }, 70912299f6f0587bb6c221705ed9949709b36b3c56Alan Cox { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_ID_S81) }, /* Benq/Siemens S81 */ 71acbb36f116243bed515357264ecbb6ff9c6d2a5bPeter Favrholdt { USB_DEVICE(SYNTECH_VENDOR_ID, SYNTECH_PRODUCT_ID) }, 72c6c27721a42b991965bb792d5c196b8331d008d5Christian Lindner { USB_DEVICE(NOKIA_CA42_VENDOR_ID, NOKIA_CA42_PRODUCT_ID) }, 73c6c27721a42b991965bb792d5c196b8331d008d5Christian Lindner { USB_DEVICE(CA_42_CA42_VENDOR_ID, CA_42_CA42_PRODUCT_ID) }, 746cceb05f8df6e28ab90f44bdeba50d33928cdee5Denis MONTERRAT { USB_DEVICE(SAGEM_VENDOR_ID, SAGEM_PRODUCT_ID) }, 75c6c27721a42b991965bb792d5c196b8331d008d5Christian Lindner { USB_DEVICE(LEADTEK_VENDOR_ID, LEADTEK_9531_PRODUCT_ID) }, 76491b04ce1c9adfa0cd73f095086f3c37da81b667Dick Streefland { USB_DEVICE(SPEEDDRAGON_VENDOR_ID, SPEEDDRAGON_PRODUCT_ID) }, 773b92847425a98d26ad9d2b8682d3ce6020c90752Matthew Meno { USB_DEVICE(DATAPILOT_U2_VENDOR_ID, DATAPILOT_U2_PRODUCT_ID) }, 78b7aa94b682dc6b6dcdc01d36f8e65cef5aae81e2Kim Oldfield { USB_DEVICE(BELKIN_VENDOR_ID, BELKIN_PRODUCT_ID) }, 798fd801339350b63cbb90730ff8b2be349fb3dc67Johannes Steingraeber { USB_DEVICE(ALCOR_VENDOR_ID, ALCOR_PRODUCT_ID) }, 802d94b981c7fcb0fba4aa3442cd180066dbedbbc8YOSHIFUJI Hideaki { USB_DEVICE(WS002IN_VENDOR_ID, WS002IN_PRODUCT_ID) }, 819e3285dba5cac12d656da66fd7d420ff1bc0ecc0Magnus Damm { USB_DEVICE(COREGA_VENDOR_ID, COREGA_PRODUCT_ID) }, 82cc311ee7d29d96f0bf15599f4456012d6f5ea23cDamien Stuart { USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) }, 837c99200142c04d0f1ed3f048014591f841efdaedMatthew Arnold { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) }, 84af4b8514aafd53d97b05a0a30b7d4cfd2cbb7b81Mike Provencher { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) }, 858540d66615c39010168ab97eaafb476ec2851298Gianpaolo Cugola { USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) }, 86f36ecd5de93e4c85a9e3d25100c6e233155b12e5Jef Driesen { USB_DEVICE(ZEAGLE_VENDOR_ID, ZEAGLE_N2ITION3_PRODUCT_ID) }, 8749276560c9004fce24c42e3c0ad75f34d956fc63Khanh-Dang Nguyen Thu Lam { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) }, 8835904e6b5106fda51b04c8b8080c04466865415fPawel Ludwikow { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) }, 899a61d72602771906e11a5944e8571f8006387b39Manuel Jander { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) }, 90598f0b703506da841d3459dc0c48506be14d1778Eric Benoit { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { } /* Terminating entry */ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 94372db8a780f63368c6960a167b7a19aad776d704Thiago GalesiMODULE_DEVICE_TABLE(usb, id_table); 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_LINE_REQUEST_TYPE 0x21 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_LINE_REQUEST 0x20 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_CONTROL_REQUEST_TYPE 0x21 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_CONTROL_REQUEST 0x22 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CONTROL_DTR 0x01 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CONTROL_RTS 0x02 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BREAK_REQUEST_TYPE 0x21 1053a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox#define BREAK_REQUEST 0x23 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BREAK_ON 0xffff 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BREAK_OFF 0x0000 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GET_LINE_REQUEST_TYPE 0xa1 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GET_LINE_REQUEST 0x21 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_WRITE_REQUEST_TYPE 0x40 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_WRITE_REQUEST 0x01 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_READ_REQUEST_TYPE 0xc0 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_READ_REQUEST 0x01 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_STATE 0x08 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_STATE_TRANSIENT_MASK 0x74 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_DCD 0x01 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_DSR 0x02 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_BREAK_ERROR 0x04 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_RING 0x08 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_FRAME_ERROR 0x10 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_PARITY_ERROR 0x20 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_OVERRUN_ERROR 0x40 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_CTS 0x80 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsenum pl2303_type { 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type_0, /* don't know the difference between type 0 and */ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type_1, /* type 1, until someone from prolific tells us... */ 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds HX, /* HX version of the pl2303 chip */ 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1368bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovoldstruct pl2303_serial_private { 1378bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold enum pl2303_type type; 1388bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold}; 1398bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct pl2303_private { 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t lock; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 line_control; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 line_status; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 146eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharpstatic int pl2303_vendor_read(__u16 value, __u16 index, 147eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp struct usb_serial *serial, unsigned char *buf) 148eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp{ 149eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp int res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 150eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp VENDOR_READ_REQUEST, VENDOR_READ_REQUEST_TYPE, 151eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp value, index, buf, 1, 100); 1527b5789a86890423e1460362798140c26822798b1Johan Hovold dev_dbg(&serial->interface->dev, "0x%x:0x%x:0x%x:0x%x %d - %x\n", 153d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, value, index, 154d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman res, buf[0]); 155eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp return res; 156eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp} 157eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp 158eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharpstatic int pl2303_vendor_write(__u16 value, __u16 index, 159eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp struct usb_serial *serial) 160eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp{ 161eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp int res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 162eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp VENDOR_WRITE_REQUEST, VENDOR_WRITE_REQUEST_TYPE, 163eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp value, index, NULL, 0, 100); 1647b5789a86890423e1460362798140c26822798b1Johan Hovold dev_dbg(&serial->interface->dev, "0x%x:0x%x:0x%x:0x%x %d\n", 165d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, value, index, 166d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman res); 167eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp return res; 168eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp} 169eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp 170372db8a780f63368c6960a167b7a19aad776d704Thiago Galesistatic int pl2303_startup(struct usb_serial *serial) 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1728bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_serial_private *spriv; 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum pl2303_type type = type_0; 1743e152505a57db6622deb1322c22551c046e33d16Sarah Sharp unsigned char *buf; 1758bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 1768bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold spriv = kzalloc(sizeof(*spriv), GFP_KERNEL); 1778bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (!spriv) 1788bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return -ENOMEM; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1803e152505a57db6622deb1322c22551c046e33d16Sarah Sharp buf = kmalloc(10, GFP_KERNEL); 1818bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (!buf) { 1828bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold kfree(spriv); 1833e152505a57db6622deb1322c22551c046e33d16Sarah Sharp return -ENOMEM; 1848bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold } 1853e152505a57db6622deb1322c22551c046e33d16Sarah Sharp 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (serial->dev->descriptor.bDeviceClass == 0x02) 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_0; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40) 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = HX; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (serial->dev->descriptor.bDeviceClass == 0x00) 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_1; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (serial->dev->descriptor.bDeviceClass == 0xFF) 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_1; 194d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&serial->interface->dev, "device type: %d\n", type); 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1968bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold spriv->type = type; 1978bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold usb_set_serial_data(serial, spriv); 1983e152505a57db6622deb1322c22551c046e33d16Sarah Sharp 1993e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2003e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(0x0404, 0, serial); 2013e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2023e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8383, 0, serial, buf); 2033e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2043e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(0x0404, 1, serial); 2053e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2063e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8383, 0, serial, buf); 2073e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(0, 1, serial); 2083e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(1, 0, serial); 2093e152505a57db6622deb1322c22551c046e33d16Sarah Sharp if (type == HX) 2103e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(2, 0x44, serial); 2113e152505a57db6622deb1322c22551c046e33d16Sarah Sharp else 2123e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(2, 0x24, serial); 2133e152505a57db6622deb1322c22551c046e33d16Sarah Sharp 2143e152505a57db6622deb1322c22551c046e33d16Sarah Sharp kfree(buf); 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2168bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold} 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2188bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovoldstatic void pl2303_release(struct usb_serial *serial) 2198bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold{ 2208bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_serial_private *spriv; 2218bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2228bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold spriv = usb_get_serial_data(serial); 2238bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold kfree(spriv); 2248bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold} 2258bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2268bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovoldstatic int pl2303_port_probe(struct usb_serial_port *port) 2278bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold{ 2288bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_private *priv; 2298bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2308bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold priv = kzalloc(sizeof(*priv), GFP_KERNEL); 2318bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (!priv) 2328bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return -ENOMEM; 2338bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2348bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold spin_lock_init(&priv->lock); 2358bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2368bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold usb_set_serial_port_data(port, priv); 2378bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2388bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return 0; 2398bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold} 2408bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2418bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovoldstatic int pl2303_port_remove(struct usb_serial_port *port) 2428bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold{ 2438bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_private *priv; 2448bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2458bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold priv = usb_get_serial_port_data(port); 2468bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold kfree(priv); 2478bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2488bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return 0; 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 251f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovoldstatic int pl2303_set_control_lines(struct usb_serial_port *port, u8 value) 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 253f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovold struct usb_device *dev = port->serial->dev; 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 2553a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox 256372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 257372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi SET_CONTROL_REQUEST, SET_CONTROL_REQUEST_TYPE, 258372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi value, 0, NULL, 0, 100); 259f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovold dev_dbg(&port->dev, "%s - value = %d, retval = %d\n", __func__, 260d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman value, retval); 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26495da310e66ee8090119596c70ca8432e57f9a97fAlan Coxstatic void pl2303_set_termios(struct tty_struct *tty, 26595da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port, struct ktermios *old_termios) 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 2688bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_serial_private *spriv = usb_get_serial_data(serial); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int cflag; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *buf; 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int baud; 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 control; 27625b8286805e856c8c7fda127018e31032c918015Frank Schaefer const int baud_sup[] = { 75, 150, 300, 600, 1200, 1800, 2400, 3600, 27725b8286805e856c8c7fda127018e31032c918015Frank Schaefer 4800, 7200, 9600, 14400, 19200, 28800, 38400, 2780c967e7ecdc2cf42853b4c76f0b2e94ba53c5b92Luca Olivetti 57600, 115200, 230400, 460800, 500000, 614400, 27925b8286805e856c8c7fda127018e31032c918015Frank Schaefer 921600, 1228800, 2457600, 3000000, 6000000 }; 28025b8286805e856c8c7fda127018e31032c918015Frank Schaefer int baud_floor, baud_ceil; 28125b8286805e856c8c7fda127018e31032c918015Frank Schaefer int k; 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 283bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox /* The PL2303 is reported to lose bytes if you change 284bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox serial settings even to the same values as before. Thus 285bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox we actually need to filter in this specific case */ 286bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox 287adc8d746caa67fff4b53ba3e5163a6cbacc3b523Alan Cox if (!tty_termios_hw_change(&tty->termios, old_termios)) 288bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox return; 289bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox 290adc8d746caa67fff4b53ba3e5163a6cbacc3b523Alan Cox cflag = tty->termios.c_cflag; 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 292372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi buf = kzalloc(7, GFP_KERNEL); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!buf) { 294441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dev_err(&port->dev, "%s - out of memory.\n", __func__); 295a5b6f60c5a30c494017c7a2d11c4067f90d3d0dfAlan Cox /* Report back no change occurred */ 296adc8d746caa67fff4b53ba3e5163a6cbacc3b523Alan Cox tty->termios = *old_termios; 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 300372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 301372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE, 302372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 303715cf92aeb061c47f7170d0d7899311b7597bc66Andy Shevchenko dev_dbg(&port->dev, "0xa1:0x21:0:0 %d - %7ph\n", i, buf); 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & CSIZE) { 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cflag & CSIZE) { 3073a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS5: 3083a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 5; 3093a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3103a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS6: 3113a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 6; 3123a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3133a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS7: 3143a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 7; 3153a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3163a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox default: 3173a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS8: 3183a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 8; 3193a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 321d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "data bits = %d\n", buf[6]); 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 32425b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* For reference buf[0]:buf[3] baud rate value */ 32525b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* NOTE: Only the values defined in baud_sup are supported ! 32625b8286805e856c8c7fda127018e31032c918015Frank Schaefer * => if unsupported values are set, the PL2303 seems to use 32725b8286805e856c8c7fda127018e31032c918015Frank Schaefer * 9600 baud (at least my PL2303X always does) 32825b8286805e856c8c7fda127018e31032c918015Frank Schaefer */ 32995da310e66ee8090119596c70ca8432e57f9a97fAlan Cox baud = tty_get_baud_rate(tty); 330d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "baud requested = %d\n", baud); 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (baud) { 33225b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* Set baudrate to nearest supported value */ 33325b8286805e856c8c7fda127018e31032c918015Frank Schaefer for (k=0; k<ARRAY_SIZE(baud_sup); k++) { 33425b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (baud_sup[k] / baud) { 33525b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud_ceil = baud_sup[k]; 33625b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (k==0) { 33725b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = baud_ceil; 33825b8286805e856c8c7fda127018e31032c918015Frank Schaefer } else { 33925b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud_floor = baud_sup[k-1]; 34025b8286805e856c8c7fda127018e31032c918015Frank Schaefer if ((baud_ceil % baud) 34125b8286805e856c8c7fda127018e31032c918015Frank Schaefer > (baud % baud_floor)) 34225b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = baud_floor; 34325b8286805e856c8c7fda127018e31032c918015Frank Schaefer else 34425b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = baud_ceil; 34525b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 34625b8286805e856c8c7fda127018e31032c918015Frank Schaefer break; 34725b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 34825b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 34925b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (baud > 1228800) { 35025b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* type_0, type_1 only support up to 1228800 baud */ 3518bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (spriv->type != HX) 35225b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = 1228800; 35325b8286805e856c8c7fda127018e31032c918015Frank Schaefer else if (baud > 6000000) 35425b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = 6000000; 35525b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 356d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "baud set = %d\n", baud); 3578d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński if (baud <= 115200) { 3588d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[0] = baud & 0xff; 3598d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[1] = (baud >> 8) & 0xff; 3608d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[2] = (baud >> 16) & 0xff; 3618d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[3] = (baud >> 24) & 0xff; 3628d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński } else { 3638d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński /* apparently the formula for higher speeds is: 3648d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński * baudrate = 12M * 32 / (2^buf[1]) / buf[0] 3658d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński */ 3668d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński unsigned tmp = 12*1000*1000*32 / baud; 3678d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[3] = 0x80; 3688d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[2] = 0; 3698d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[1] = (tmp >= 256); 3708d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński while (tmp >= 256) { 3718d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński tmp >>= 2; 3728d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[1] <<= 1; 3738d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński } 3748d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[0] = tmp; 3758d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński } 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=0 is 1 stop bits */ 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=1 is 1.5 stop bits */ 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=2 is 2 stop bits */ 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & CSTOPB) { 38229cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer /* NOTE: Comply with "real" UARTs / RS232: 38329cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer * use 1.5 instead of 2 stop bits with 5 data bits 38429cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer */ 38529cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer if ((cflag & CSIZE) == CS5) { 38629cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer buf[4] = 1; 387d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "stop bits = 1.5\n"); 38829cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer } else { 38929cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer buf[4] = 2; 390d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "stop bits = 2\n"); 39129cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer } 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[4] = 0; 394d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "stop bits = 1\n"); 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & PARENB) { 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=0 is none parity */ 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=1 is odd parity */ 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=2 is even parity */ 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=3 is mark parity */ 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=4 is space parity */ 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & PARODD) { 4046dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer if (cflag & CMSPAR) { 4056dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 3; 406d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = mark\n"); 4076dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } else { 4086dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 1; 409d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = odd\n"); 4106dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4126dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer if (cflag & CMSPAR) { 4136dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 4; 414d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = space\n"); 4156dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } else { 4166dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 2; 417d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = even\n"); 4186dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[5] = 0; 422d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = none\n"); 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 425372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 426372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi SET_LINE_REQUEST, SET_LINE_REQUEST_TYPE, 427372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 428d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "0x21:0x20:0:0 %d\n", i); 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* change control lines if we are switching to or from B0 */ 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&priv->lock, flags); 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((cflag & CBAUD) == B0) 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); 435ce5c9851855bab190c9a142761d54ba583ab094cJohan Hovold else if ((old_termios->c_cflag & CBAUD) == B0) 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= (CONTROL_DTR | CONTROL_RTS); 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (control != priv->line_control) { 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&priv->lock, flags); 440f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovold pl2303_set_control_lines(port, control); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&priv->lock, flags); 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 444372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[0] = buf[1] = buf[2] = buf[3] = buf[4] = buf[5] = buf[6] = 0; 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 447372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 448372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE, 449372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 450715cf92aeb061c47f7170d0d7899311b7597bc66Andy Shevchenko dev_dbg(&port->dev, "0xa1:0x21:0:0 %d - %7ph\n", i, buf); 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & CRTSCTS) { 4538bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (spriv->type == HX) 454eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x61, serial); 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 456eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x41, serial); 457715f9527c1c1edd1a9c7a55ab4535211279c9374t.sefzick } else { 458eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x0, serial); 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 460572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi 46125b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* Save resulting baud rate */ 462df64c47184aedf34fd2a69a4b7f68584fe982fdfAlan Cox if (baud) 46395da310e66ee8090119596c70ca8432e57f9a97fAlan Cox tty_encode_baud_rate(tty, baud, baud); 464df64c47184aedf34fd2a69a4b7f68584fe982fdfAlan Cox 465572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi kfree(buf); 466572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi} 467572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi 468335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic void pl2303_dtr_rts(struct usb_serial_port *port, int on) 469335f8514f200e63d689113d29cb7253a5c282967Alan Cox{ 470335f8514f200e63d689113d29cb7253a5c282967Alan Cox struct pl2303_private *priv = usb_get_serial_port_data(port); 471335f8514f200e63d689113d29cb7253a5c282967Alan Cox unsigned long flags; 472335f8514f200e63d689113d29cb7253a5c282967Alan Cox u8 control; 473335f8514f200e63d689113d29cb7253a5c282967Alan Cox 474335f8514f200e63d689113d29cb7253a5c282967Alan Cox spin_lock_irqsave(&priv->lock, flags); 475335f8514f200e63d689113d29cb7253a5c282967Alan Cox /* Change DTR and RTS */ 476335f8514f200e63d689113d29cb7253a5c282967Alan Cox if (on) 477335f8514f200e63d689113d29cb7253a5c282967Alan Cox priv->line_control |= (CONTROL_DTR | CONTROL_RTS); 478335f8514f200e63d689113d29cb7253a5c282967Alan Cox else 479335f8514f200e63d689113d29cb7253a5c282967Alan Cox priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); 480335f8514f200e63d689113d29cb7253a5c282967Alan Cox control = priv->line_control; 481335f8514f200e63d689113d29cb7253a5c282967Alan Cox spin_unlock_irqrestore(&priv->lock, flags); 482f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovold pl2303_set_control_lines(port, control); 483335f8514f200e63d689113d29cb7253a5c282967Alan Cox} 484335f8514f200e63d689113d29cb7253a5c282967Alan Cox 485335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic void pl2303_close(struct usb_serial_port *port) 486572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi{ 4878b0127b2082601e40295045414a8318f2c8ee5a0Johan Hovold usb_serial_generic_close(port); 488572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi usb_kill_urb(port->interrupt_in_urb); 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 491a509a7e478e4766114d69f12d19d644ac63e9765Alan Coxstatic int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port) 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 493606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox struct ktermios tmp_termios; 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 4958bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_serial_private *spriv = usb_get_serial_data(serial); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4988bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (spriv->type != HX) { 4991694899fd1af43636351aac97f415fd3c9cefb1dDariusz M usb_clear_halt(serial->dev, port->write_urb->pipe); 5001694899fd1af43636351aac97f415fd3c9cefb1dDariusz M usb_clear_halt(serial->dev, port->read_urb->pipe); 5013e152505a57db6622deb1322c22551c046e33d16Sarah Sharp } else { 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset upstream data pipes */ 503eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(8, 0, serial); 504eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(9, 0, serial); 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Setup termios */ 50895da310e66ee8090119596c70ca8432e57f9a97fAlan Cox if (tty) 50995da310e66ee8090119596c70ca8432e57f9a97fAlan Cox pl2303_set_termios(tty, port, &tmp_termios); 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 511372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) { 513372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi dev_err(&port->dev, "%s - failed submitting interrupt urb," 514441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison " error %d\n", __func__, result); 515db6e9186c90188edea20aaa5161ea073440cc2a1Johan Hovold return result; 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 517d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold 518f5230a53c1d551811b077ccad219105786da1becJohan Hovold result = usb_serial_generic_open(tty, port); 519d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold if (result) { 520d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold usb_kill_urb(port->interrupt_in_urb); 521d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold return result; 522d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold } 523d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold 524335f8514f200e63d689113d29cb7253a5c282967Alan Cox port->port.drain_delay = 256; 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 52820b9d17715017ae4dd4ec87fabc36d33b9de708eAlan Coxstatic int pl2303_tiocmset(struct tty_struct *tty, 529372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi unsigned int set, unsigned int clear) 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 53195da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 control; 5356f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold int ret; 5366fdd8e8e33730a2abc886113bd0b6c4343f63cc9Flavio Leitner 537372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_RTS) 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= CONTROL_RTS; 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_DTR) 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= CONTROL_DTR; 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_RTS) 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~CONTROL_RTS; 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_DTR) 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~CONTROL_DTR; 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 547372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5495ddbb26b8b571231cace9f013b2d0ae66229b316Johan Hovold ret = pl2303_set_control_lines(port, control); 5505ddbb26b8b571231cace9f013b2d0ae66229b316Johan Hovold if (ret) 5515ddbb26b8b571231cace9f013b2d0ae66229b316Johan Hovold return usb_translate_errors(ret); 5526f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold 5535ddbb26b8b571231cace9f013b2d0ae66229b316Johan Hovold return 0; 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 55660b33c133ca0b7c0b6072c87234b63fee6e80558Alan Coxstatic int pl2303_tiocmget(struct tty_struct *tty) 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 55895da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int mcr; 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int status; 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int result; 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 565372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mcr = priv->line_control; 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = priv->line_status; 568372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = ((mcr & CONTROL_DTR) ? TIOCM_DTR : 0) 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((mcr & CONTROL_RTS) ? TIOCM_RTS : 0) 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_CTS) ? TIOCM_CTS : 0) 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_DSR) ? TIOCM_DSR : 0) 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_RING) ? TIOCM_RI : 0) 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_DCD) ? TIOCM_CD : 0); 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 577d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - result = %x\n", __func__, result); 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 582335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic int pl2303_carrier_raised(struct usb_serial_port *port) 583335f8514f200e63d689113d29cb7253a5c282967Alan Cox{ 584335f8514f200e63d689113d29cb7253a5c282967Alan Cox struct pl2303_private *priv = usb_get_serial_port_data(port); 585335f8514f200e63d689113d29cb7253a5c282967Alan Cox if (priv->line_status & UART_DCD) 586335f8514f200e63d689113d29cb7253a5c282967Alan Cox return 1; 587335f8514f200e63d689113d29cb7253a5c282967Alan Cox return 0; 588335f8514f200e63d689113d29cb7253a5c282967Alan Cox} 589335f8514f200e63d689113d29cb7253a5c282967Alan Cox 590824d11bef5540062d17380c65ee52d4b2948ca84Johan Hovoldstatic int pl2303_tiocmiwait(struct tty_struct *tty, unsigned long arg) 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 592824d11bef5540062d17380c65ee52d4b2948ca84Johan Hovold struct usb_serial_port *port = tty->driver_data; 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int prevstatus; 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int status; 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int changed; 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 599372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prevstatus = priv->line_status; 601372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (1) { 6046d0cad657a133818038683120fff9c5c5f8dc751Johan Hovold interruptible_sleep_on(&port->port.delta_msr_wait); 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* see if a signal did it */ 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (signal_pending(current)) 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ERESTARTSYS; 608372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 60940509ca982c00c4b70fc00be887509feca0bff15Johan Hovold if (port->serial->disconnected) 61040509ca982c00c4b70fc00be887509feca0bff15Johan Hovold return -EIO; 61140509ca982c00c4b70fc00be887509feca0bff15Johan Hovold 612372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = priv->line_status; 614372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 615372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 6163a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox changed = prevstatus ^ status; 617372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (((arg & TIOCM_RNG) && (changed & UART_RING)) || 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((arg & TIOCM_DSR) && (changed & UART_DSR)) || 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((arg & TIOCM_CD) && (changed & UART_DCD)) || 6213a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox ((arg & TIOCM_CTS) && (changed & UART_CTS))) { 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prevstatus = status; 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* NOTREACHED */ 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 63000a0d0d65b61241a718d0aee96f46b9a2d93bf26Alan Coxstatic int pl2303_ioctl(struct tty_struct *tty, 631372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi unsigned int cmd, unsigned long arg) 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 63367b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas struct serial_struct ser; 63495da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 635d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman 636d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s cmd = 0x%04x\n", __func__, cmd); 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cmd) { 63967b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas case TIOCGSERIAL: 64067b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas memset(&ser, 0, sizeof ser); 64167b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.type = PORT_16654; 64267b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.line = port->serial->minor; 6431143832eca8f1d64da7d85642c956ae9d25c69e1Greg Kroah-Hartman ser.port = port->port_number; 64467b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.baud_base = 460800; 64567b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 64667b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas if (copy_to_user((void __user *)arg, &ser, sizeof ser)) 64767b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas return -EFAULT; 64867b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 64967b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas return 0; 6503a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox default: 651d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s not supported = 0x%04x\n", __func__, cmd); 6523a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOIOCTLCMD; 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 65795da310e66ee8090119596c70ca8432e57f9a97fAlan Coxstatic void pl2303_break_ctl(struct tty_struct *tty, int break_state) 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 65995da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 state; 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (break_state == 0) 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state = BREAK_OFF; 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state = BREAK_ON; 668d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - turning break %s\n", __func__, 6693a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox state == BREAK_OFF ? "off" : "on"); 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 672372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi BREAK_REQUEST, BREAK_REQUEST_TYPE, state, 673372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, NULL, 0, 100); 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) 675d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_err(&port->dev, "error sending break = %d\n", result); 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 67897bb13ec5bc156352cca8af90080597e04299a73Flavio Leitnerstatic void pl2303_update_line_status(struct usb_serial_port *port, 67997bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned char *data, 68097bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned int actual_length) 68197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner{ 68297bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 68397bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner struct pl2303_private *priv = usb_get_serial_port_data(port); 684d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek struct tty_struct *tty; 68597bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned long flags; 68697bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner u8 status_idx = UART_STATE; 68795f209f93663103db2a8fb989e226ac68a98b036Horst Schirmeier u8 length = UART_STATE + 1; 688d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek u8 prev_line_status; 6899c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi u16 idv, idp; 69097bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 6919c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idv = le16_to_cpu(port->serial->dev->descriptor.idVendor); 6929c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp = le16_to_cpu(port->serial->dev->descriptor.idProduct); 6939c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 6949c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 6959c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi if (idv == SIEMENS_VENDOR_ID) { 6969c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi if (idp == SIEMENS_PRODUCT_ID_X65 || 6979c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp == SIEMENS_PRODUCT_ID_SX1 || 6989c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp == SIEMENS_PRODUCT_ID_X75) { 6999c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 7009c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi length = 1; 7019c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi status_idx = 0; 7029c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi } 70397bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner } 70497bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 70597bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner if (actual_length < length) 706a009b75aa0ed55f0bc473c8a3b3e872cbca807ecLuiz Fernando N. Capitulino return; 70797bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 7083a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox /* Save off the uart status for others to look at */ 70997bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner spin_lock_irqsave(&priv->lock, flags); 710d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek prev_line_status = priv->line_status; 71197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner priv->line_status = data[status_idx]; 71297bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner spin_unlock_irqrestore(&priv->lock, flags); 713430eb0d27c1b36c5191c16b2472b26137673a8d4Jason Wessel if (priv->line_status & UART_BREAK_ERROR) 714430eb0d27c1b36c5191c16b2472b26137673a8d4Jason Wessel usb_serial_handle_break(port); 7156d0cad657a133818038683120fff9c5c5f8dc751Johan Hovold wake_up_interruptible(&port->port.delta_msr_wait); 716d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek 717d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek tty = tty_port_tty_get(&port->port); 718d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek if (!tty) 719d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek return; 720d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek if ((priv->line_status ^ prev_line_status) & UART_DCD) 721d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek usb_serial_handle_dcd_change(port, tty, 722d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek priv->line_status & UART_DCD); 723d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek tty_kref_put(tty); 72497bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner} 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7267d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic void pl2303_read_int_callback(struct urb *urb) 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 728cdc97792289179974af6dda781c855696358d307Ming Lei struct usb_serial_port *port = urb->context; 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *data = urb->transfer_buffer; 73097bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned int actual_length = urb->actual_length; 731461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman int status = urb->status; 732461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman int retval; 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 734461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman switch (status) { 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* success */ 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ECONNRESET: 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ENOENT: 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ESHUTDOWN: 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* this urb is terminated, clean up */ 742d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n", 743d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman __func__, status); 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 746d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n", 747d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman __func__, status); 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit; 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 75159d33f2fc2d63796296b1b76143e039d6e7cf532Greg Kroah-Hartman usb_serial_debug_data(&port->dev, __func__, 752372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi urb->actual_length, urb->transfer_buffer); 753372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 75497bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner pl2303_update_line_status(port, data, actual_length); 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit: 757461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman retval = usb_submit_urb(urb, GFP_ATOMIC); 758461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman if (retval) 759d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_err(&port->dev, 760372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi "%s - usb_submit_urb failed with result %d\n", 761441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison __func__, retval); 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 764f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovoldstatic void pl2303_process_read_urb(struct urb *urb) 765d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox{ 766f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct usb_serial_port *port = urb->context; 767f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct pl2303_private *priv = usb_get_serial_port_data(port); 768d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox unsigned char *data = urb->transfer_buffer; 769d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox char tty_flag = TTY_NORMAL; 770f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold unsigned long flags; 771f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold u8 line_status; 772f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold int i; 773f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 774f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold /* update line status */ 775f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold spin_lock_irqsave(&priv->lock, flags); 776f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold line_status = priv->line_status; 777f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold priv->line_status &= ~UART_STATE_TRANSIENT_MASK; 778f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold spin_unlock_irqrestore(&priv->lock, flags); 7796d0cad657a133818038683120fff9c5c5f8dc751Johan Hovold wake_up_interruptible(&port->port.delta_msr_wait); 780f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 781f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold if (!urb->actual_length) 782f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold return; 783f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 784d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* break takes precedence over parity, */ 785d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* which takes precedence over framing errors */ 786d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox if (line_status & UART_BREAK_ERROR) 787d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_BREAK; 788d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox else if (line_status & UART_PARITY_ERROR) 789d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_PARITY; 790d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox else if (line_status & UART_FRAME_ERROR) 791d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_FRAME; 792d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - tty_flag = %d\n", __func__, tty_flag); 793d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox 794d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* overrun is special, not associated with a char */ 795d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox if (line_status & UART_OVERRUN_ERROR) 79692a19f9cec9a80ad93c06e115822deb729e2c6adJiri Slaby tty_insert_flip_char(&port->port, 0, TTY_OVERRUN); 7979388e2e71a51fab0aa2309bbb45e8a23d89a95a9Johan Hovold 798d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold if (port->port.console && port->sysrq) { 799d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox for (i = 0; i < urb->actual_length; ++i) 8006ee9f4b4affe751d313d2538999aeec134d413a6Dmitry Torokhov if (!usb_serial_handle_sysrq_char(port, data[i])) 80192a19f9cec9a80ad93c06e115822deb729e2c6adJiri Slaby tty_insert_flip_char(&port->port, data[i], 80292a19f9cec9a80ad93c06e115822deb729e2c6adJiri Slaby tty_flag); 803d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold } else { 8042f69335710884ae6112fc8196ebe29b5cda7b79bJiri Slaby tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag, 805d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold urb->actual_length); 8069388e2e71a51fab0aa2309bbb45e8a23d89a95a9Johan Hovold } 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8082e124b4a390ca85325fae75764bef92f0547fa25Jiri Slaby tty_flip_buffer_push(&port->port); 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 811572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi/* All of the device info needed for the PL2303 SIO serial converter */ 812572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesistatic struct usb_serial_driver pl2303_device = { 813572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .driver = { 814572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .owner = THIS_MODULE, 815572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .name = "pl2303", 816572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi }, 817572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .id_table = id_table, 818572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .num_ports = 1, 8197919c2fd9e07276403b9a4d9ae52305e0d70f923Johan Hovold .bulk_in_size = 256, 8203efeaff6298290b36499532f0b4c87aa4bae8aefJohan Hovold .bulk_out_size = 256, 821572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .open = pl2303_open, 822572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .close = pl2303_close, 823335f8514f200e63d689113d29cb7253a5c282967Alan Cox .dtr_rts = pl2303_dtr_rts, 824335f8514f200e63d689113d29cb7253a5c282967Alan Cox .carrier_raised = pl2303_carrier_raised, 825572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .ioctl = pl2303_ioctl, 826572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .break_ctl = pl2303_break_ctl, 827572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .set_termios = pl2303_set_termios, 828572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .tiocmget = pl2303_tiocmget, 829572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .tiocmset = pl2303_tiocmset, 830824d11bef5540062d17380c65ee52d4b2948ca84Johan Hovold .tiocmiwait = pl2303_tiocmiwait, 831f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold .process_read_urb = pl2303_process_read_urb, 832572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .read_int_callback = pl2303_read_int_callback, 833572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .attach = pl2303_startup, 834f9c99bb8b3a1ec81af68d484a551307326c2e933Alan Stern .release = pl2303_release, 8358bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold .port_probe = pl2303_port_probe, 8368bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold .port_remove = pl2303_port_remove, 837572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi}; 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 839f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Sternstatic struct usb_serial_driver * const serial_drivers[] = { 840f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern &pl2303_device, NULL 841f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern}; 842f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern 84368e24113457e437b1576670f2419b77ed0531e9eGreg Kroah-Hartmanmodule_usb_serial_driver(serial_drivers, id_table); 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION(DRIVER_DESC); 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 847