pl2303.c revision 2f69335710884ae6112fc8196ebe29b5cda7b79b
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 wait_queue_head_t delta_msr_wait; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 line_control; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 line_status; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 147eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharpstatic int pl2303_vendor_read(__u16 value, __u16 index, 148eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp struct usb_serial *serial, unsigned char *buf) 149eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp{ 150eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp int res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 151eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp VENDOR_READ_REQUEST, VENDOR_READ_REQUEST_TYPE, 152eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp value, index, buf, 1, 100); 153d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&serial->dev->dev, "0x%x:0x%x:0x%x:0x%x %d - %x\n", 154d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, value, index, 155d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman res, buf[0]); 156eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp return res; 157eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp} 158eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp 159eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharpstatic int pl2303_vendor_write(__u16 value, __u16 index, 160eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp struct usb_serial *serial) 161eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp{ 162eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp int res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 163eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp VENDOR_WRITE_REQUEST, VENDOR_WRITE_REQUEST_TYPE, 164eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp value, index, NULL, 0, 100); 165d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&serial->dev->dev, "0x%x:0x%x:0x%x:0x%x %d\n", 166d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, value, index, 167d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman res); 168eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp return res; 169eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp} 170eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp 171372db8a780f63368c6960a167b7a19aad776d704Thiago Galesistatic int pl2303_startup(struct usb_serial *serial) 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1738bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_serial_private *spriv; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum pl2303_type type = type_0; 1753e152505a57db6622deb1322c22551c046e33d16Sarah Sharp unsigned char *buf; 1768bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 1778bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold spriv = kzalloc(sizeof(*spriv), GFP_KERNEL); 1788bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (!spriv) 1798bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return -ENOMEM; 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1813e152505a57db6622deb1322c22551c046e33d16Sarah Sharp buf = kmalloc(10, GFP_KERNEL); 1828bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (!buf) { 1838bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold kfree(spriv); 1843e152505a57db6622deb1322c22551c046e33d16Sarah Sharp return -ENOMEM; 1858bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold } 1863e152505a57db6622deb1322c22551c046e33d16Sarah Sharp 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (serial->dev->descriptor.bDeviceClass == 0x02) 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_0; 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40) 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = HX; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (serial->dev->descriptor.bDeviceClass == 0x00) 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_1; 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (serial->dev->descriptor.bDeviceClass == 0xFF) 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_1; 195d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&serial->interface->dev, "device type: %d\n", type); 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1978bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold spriv->type = type; 1988bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold usb_set_serial_data(serial, spriv); 1993e152505a57db6622deb1322c22551c046e33d16Sarah Sharp 2003e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2013e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(0x0404, 0, serial); 2023e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2033e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8383, 0, serial, buf); 2043e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2053e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(0x0404, 1, serial); 2063e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2073e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8383, 0, serial, buf); 2083e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(0, 1, serial); 2093e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(1, 0, serial); 2103e152505a57db6622deb1322c22551c046e33d16Sarah Sharp if (type == HX) 2113e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(2, 0x44, serial); 2123e152505a57db6622deb1322c22551c046e33d16Sarah Sharp else 2133e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(2, 0x24, serial); 2143e152505a57db6622deb1322c22551c046e33d16Sarah Sharp 2153e152505a57db6622deb1322c22551c046e33d16Sarah Sharp kfree(buf); 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2178bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold} 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2198bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovoldstatic void pl2303_release(struct usb_serial *serial) 2208bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold{ 2218bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_serial_private *spriv; 2228bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2238bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold spriv = usb_get_serial_data(serial); 2248bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold kfree(spriv); 2258bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold} 2268bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2278bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovoldstatic int pl2303_port_probe(struct usb_serial_port *port) 2288bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold{ 2298bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_private *priv; 2308bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2318bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold priv = kzalloc(sizeof(*priv), GFP_KERNEL); 2328bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (!priv) 2338bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return -ENOMEM; 2348bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2358bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold spin_lock_init(&priv->lock); 2368bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold init_waitqueue_head(&priv->delta_msr_wait); 2378bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2388bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold usb_set_serial_port_data(port, priv); 2398bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2408bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return 0; 2418bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold} 2428bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2438bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovoldstatic int pl2303_port_remove(struct usb_serial_port *port) 2448bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold{ 2458bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_private *priv; 2468bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2478bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold priv = usb_get_serial_port_data(port); 2488bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold kfree(priv); 2498bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2508bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return 0; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 253372db8a780f63368c6960a167b7a19aad776d704Thiago Galesistatic int set_control_lines(struct usb_device *dev, u8 value) 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 2563a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox 257372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 258372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi SET_CONTROL_REQUEST, SET_CONTROL_REQUEST_TYPE, 259372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi value, 0, NULL, 0, 100); 260d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&dev->dev, "%s - value = %d, retval = %d\n", __func__, 261d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman value, retval); 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26595da310e66ee8090119596c70ca8432e57f9a97fAlan Coxstatic void pl2303_set_termios(struct tty_struct *tty, 26695da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port, struct ktermios *old_termios) 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 2698bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_serial_private *spriv = usb_get_serial_data(serial); 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int cflag; 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *buf; 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int baud; 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 control; 27725b8286805e856c8c7fda127018e31032c918015Frank Schaefer const int baud_sup[] = { 75, 150, 300, 600, 1200, 1800, 2400, 3600, 27825b8286805e856c8c7fda127018e31032c918015Frank Schaefer 4800, 7200, 9600, 14400, 19200, 28800, 38400, 27925b8286805e856c8c7fda127018e31032c918015Frank Schaefer 57600, 115200, 230400, 460800, 614400, 28025b8286805e856c8c7fda127018e31032c918015Frank Schaefer 921600, 1228800, 2457600, 3000000, 6000000 }; 28125b8286805e856c8c7fda127018e31032c918015Frank Schaefer int baud_floor, baud_ceil; 28225b8286805e856c8c7fda127018e31032c918015Frank Schaefer int k; 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 284bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox /* The PL2303 is reported to lose bytes if you change 285bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox serial settings even to the same values as before. Thus 286bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox we actually need to filter in this specific case */ 287bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox 288adc8d746caa67fff4b53ba3e5163a6cbacc3b523Alan Cox if (!tty_termios_hw_change(&tty->termios, old_termios)) 289bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox return; 290bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox 291adc8d746caa67fff4b53ba3e5163a6cbacc3b523Alan Cox cflag = tty->termios.c_cflag; 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 293372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi buf = kzalloc(7, GFP_KERNEL); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!buf) { 295441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dev_err(&port->dev, "%s - out of memory.\n", __func__); 296a5b6f60c5a30c494017c7a2d11c4067f90d3d0dfAlan Cox /* Report back no change occurred */ 297adc8d746caa67fff4b53ba3e5163a6cbacc3b523Alan Cox tty->termios = *old_termios; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 301372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 302372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE, 303372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 304d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "0xa1:0x21:0:0 %d - %x %x %x %x %x %x %x\n", i, 305372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & CSIZE) { 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cflag & CSIZE) { 3093a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS5: 3103a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 5; 3113a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3123a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS6: 3133a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 6; 3143a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3153a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS7: 3163a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 7; 3173a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3183a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox default: 3193a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS8: 3203a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 8; 3213a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 323d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "data bits = %d\n", buf[6]); 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 32625b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* For reference buf[0]:buf[3] baud rate value */ 32725b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* NOTE: Only the values defined in baud_sup are supported ! 32825b8286805e856c8c7fda127018e31032c918015Frank Schaefer * => if unsupported values are set, the PL2303 seems to use 32925b8286805e856c8c7fda127018e31032c918015Frank Schaefer * 9600 baud (at least my PL2303X always does) 33025b8286805e856c8c7fda127018e31032c918015Frank Schaefer */ 33195da310e66ee8090119596c70ca8432e57f9a97fAlan Cox baud = tty_get_baud_rate(tty); 332d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "baud requested = %d\n", baud); 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (baud) { 33425b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* Set baudrate to nearest supported value */ 33525b8286805e856c8c7fda127018e31032c918015Frank Schaefer for (k=0; k<ARRAY_SIZE(baud_sup); k++) { 33625b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (baud_sup[k] / baud) { 33725b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud_ceil = baud_sup[k]; 33825b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (k==0) { 33925b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = baud_ceil; 34025b8286805e856c8c7fda127018e31032c918015Frank Schaefer } else { 34125b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud_floor = baud_sup[k-1]; 34225b8286805e856c8c7fda127018e31032c918015Frank Schaefer if ((baud_ceil % baud) 34325b8286805e856c8c7fda127018e31032c918015Frank Schaefer > (baud % baud_floor)) 34425b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = baud_floor; 34525b8286805e856c8c7fda127018e31032c918015Frank Schaefer else 34625b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = baud_ceil; 34725b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 34825b8286805e856c8c7fda127018e31032c918015Frank Schaefer break; 34925b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 35025b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 35125b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (baud > 1228800) { 35225b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* type_0, type_1 only support up to 1228800 baud */ 3538bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (spriv->type != HX) 35425b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = 1228800; 35525b8286805e856c8c7fda127018e31032c918015Frank Schaefer else if (baud > 6000000) 35625b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = 6000000; 35725b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 358d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "baud set = %d\n", baud); 3598d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński if (baud <= 115200) { 3608d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[0] = baud & 0xff; 3618d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[1] = (baud >> 8) & 0xff; 3628d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[2] = (baud >> 16) & 0xff; 3638d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[3] = (baud >> 24) & 0xff; 3648d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński } else { 3658d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński /* apparently the formula for higher speeds is: 3668d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński * baudrate = 12M * 32 / (2^buf[1]) / buf[0] 3678d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński */ 3688d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński unsigned tmp = 12*1000*1000*32 / baud; 3698d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[3] = 0x80; 3708d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[2] = 0; 3718d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[1] = (tmp >= 256); 3728d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński while (tmp >= 256) { 3738d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński tmp >>= 2; 3748d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[1] <<= 1; 3758d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński } 3768d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[0] = tmp; 3778d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński } 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=0 is 1 stop bits */ 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=1 is 1.5 stop bits */ 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=2 is 2 stop bits */ 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & CSTOPB) { 38429cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer /* NOTE: Comply with "real" UARTs / RS232: 38529cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer * use 1.5 instead of 2 stop bits with 5 data bits 38629cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer */ 38729cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer if ((cflag & CSIZE) == CS5) { 38829cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer buf[4] = 1; 389d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "stop bits = 1.5\n"); 39029cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer } else { 39129cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer buf[4] = 2; 392d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "stop bits = 2\n"); 39329cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer } 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[4] = 0; 396d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "stop bits = 1\n"); 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & PARENB) { 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=0 is none parity */ 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=1 is odd parity */ 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=2 is even parity */ 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=3 is mark parity */ 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=4 is space parity */ 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & PARODD) { 4066dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer if (cflag & CMSPAR) { 4076dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 3; 408d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = mark\n"); 4096dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } else { 4106dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 1; 411d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = odd\n"); 4126dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4146dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer if (cflag & CMSPAR) { 4156dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 4; 416d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = space\n"); 4176dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } else { 4186dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 2; 419d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = even\n"); 4206dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[5] = 0; 424d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = none\n"); 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 427372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 428372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi SET_LINE_REQUEST, SET_LINE_REQUEST_TYPE, 429372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 430d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "0x21:0x20:0:0 %d\n", i); 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* change control lines if we are switching to or from B0 */ 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&priv->lock, flags); 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((cflag & CBAUD) == B0) 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); 437ce5c9851855bab190c9a142761d54ba583ab094cJohan Hovold else if ((old_termios->c_cflag & CBAUD) == B0) 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= (CONTROL_DTR | CONTROL_RTS); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (control != priv->line_control) { 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&priv->lock, flags); 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_control_lines(serial->dev, control); 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&priv->lock, flags); 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 446372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[0] = buf[1] = buf[2] = buf[3] = buf[4] = buf[5] = buf[6] = 0; 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 449372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 450372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE, 451372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 452d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "0xa1:0x21:0:0 %d - %x %x %x %x %x %x %x\n", i, 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & CRTSCTS) { 4568bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (spriv->type == HX) 457eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x61, serial); 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 459eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x41, serial); 460715f9527c1c1edd1a9c7a55ab4535211279c9374t.sefzick } else { 461eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x0, serial); 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 463572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi 46425b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* Save resulting baud rate */ 465df64c47184aedf34fd2a69a4b7f68584fe982fdfAlan Cox if (baud) 46695da310e66ee8090119596c70ca8432e57f9a97fAlan Cox tty_encode_baud_rate(tty, baud, baud); 467df64c47184aedf34fd2a69a4b7f68584fe982fdfAlan Cox 468572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi kfree(buf); 469572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi} 470572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi 471335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic void pl2303_dtr_rts(struct usb_serial_port *port, int on) 472335f8514f200e63d689113d29cb7253a5c282967Alan Cox{ 473335f8514f200e63d689113d29cb7253a5c282967Alan Cox struct pl2303_private *priv = usb_get_serial_port_data(port); 474335f8514f200e63d689113d29cb7253a5c282967Alan Cox unsigned long flags; 475335f8514f200e63d689113d29cb7253a5c282967Alan Cox u8 control; 476335f8514f200e63d689113d29cb7253a5c282967Alan Cox 477335f8514f200e63d689113d29cb7253a5c282967Alan Cox spin_lock_irqsave(&priv->lock, flags); 478335f8514f200e63d689113d29cb7253a5c282967Alan Cox /* Change DTR and RTS */ 479335f8514f200e63d689113d29cb7253a5c282967Alan Cox if (on) 480335f8514f200e63d689113d29cb7253a5c282967Alan Cox priv->line_control |= (CONTROL_DTR | CONTROL_RTS); 481335f8514f200e63d689113d29cb7253a5c282967Alan Cox else 482335f8514f200e63d689113d29cb7253a5c282967Alan Cox priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); 483335f8514f200e63d689113d29cb7253a5c282967Alan Cox control = priv->line_control; 484335f8514f200e63d689113d29cb7253a5c282967Alan Cox spin_unlock_irqrestore(&priv->lock, flags); 485335f8514f200e63d689113d29cb7253a5c282967Alan Cox set_control_lines(port->serial->dev, control); 486335f8514f200e63d689113d29cb7253a5c282967Alan Cox} 487335f8514f200e63d689113d29cb7253a5c282967Alan Cox 488335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic void pl2303_close(struct usb_serial_port *port) 489572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi{ 4908b0127b2082601e40295045414a8318f2c8ee5a0Johan Hovold usb_serial_generic_close(port); 491572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi usb_kill_urb(port->interrupt_in_urb); 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 494a509a7e478e4766114d69f12d19d644ac63e9765Alan Coxstatic int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port) 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 496606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox struct ktermios tmp_termios; 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 4988bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_serial_private *spriv = usb_get_serial_data(serial); 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5018bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold if (spriv->type != HX) { 5021694899fd1af43636351aac97f415fd3c9cefb1dDariusz M usb_clear_halt(serial->dev, port->write_urb->pipe); 5031694899fd1af43636351aac97f415fd3c9cefb1dDariusz M usb_clear_halt(serial->dev, port->read_urb->pipe); 5043e152505a57db6622deb1322c22551c046e33d16Sarah Sharp } else { 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset upstream data pipes */ 506eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(8, 0, serial); 507eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(9, 0, serial); 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Setup termios */ 51195da310e66ee8090119596c70ca8432e57f9a97fAlan Cox if (tty) 51295da310e66ee8090119596c70ca8432e57f9a97fAlan Cox pl2303_set_termios(tty, port, &tmp_termios); 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 514372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) { 516372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi dev_err(&port->dev, "%s - failed submitting interrupt urb," 517441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison " error %d\n", __func__, result); 518db6e9186c90188edea20aaa5161ea073440cc2a1Johan Hovold return result; 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 520d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold 521f5230a53c1d551811b077ccad219105786da1becJohan Hovold result = usb_serial_generic_open(tty, port); 522d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold if (result) { 523d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold usb_kill_urb(port->interrupt_in_urb); 524d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold return result; 525d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold } 526d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold 527335f8514f200e63d689113d29cb7253a5c282967Alan Cox port->port.drain_delay = 256; 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 53120b9d17715017ae4dd4ec87fabc36d33b9de708eAlan Coxstatic int pl2303_tiocmset(struct tty_struct *tty, 532372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi unsigned int set, unsigned int clear) 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 53495da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 5356f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold struct usb_serial *serial = port->serial; 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 control; 5396f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold int ret; 5406fdd8e8e33730a2abc886113bd0b6c4343f63cc9Flavio Leitner 541372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_RTS) 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= CONTROL_RTS; 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_DTR) 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= CONTROL_DTR; 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_RTS) 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~CONTROL_RTS; 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_DTR) 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~CONTROL_DTR; 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 551372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5536f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold mutex_lock(&serial->disc_mutex); 5546f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold if (!serial->disconnected) 5556f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold ret = set_control_lines(serial->dev, control); 5566f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold else 5576f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold ret = -ENODEV; 5586f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold mutex_unlock(&serial->disc_mutex); 5596f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold 5606f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold return ret; 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 56360b33c133ca0b7c0b6072c87234b63fee6e80558Alan Coxstatic int pl2303_tiocmget(struct tty_struct *tty) 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 56595da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int mcr; 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int status; 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int result; 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 572372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mcr = priv->line_control; 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = priv->line_status; 575372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = ((mcr & CONTROL_DTR) ? TIOCM_DTR : 0) 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((mcr & CONTROL_RTS) ? TIOCM_RTS : 0) 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_CTS) ? TIOCM_CTS : 0) 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_DSR) ? TIOCM_DSR : 0) 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_RING) ? TIOCM_RI : 0) 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_DCD) ? TIOCM_CD : 0); 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 584d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - result = %x\n", __func__, result); 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 589335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic int pl2303_carrier_raised(struct usb_serial_port *port) 590335f8514f200e63d689113d29cb7253a5c282967Alan Cox{ 591335f8514f200e63d689113d29cb7253a5c282967Alan Cox struct pl2303_private *priv = usb_get_serial_port_data(port); 592335f8514f200e63d689113d29cb7253a5c282967Alan Cox if (priv->line_status & UART_DCD) 593335f8514f200e63d689113d29cb7253a5c282967Alan Cox return 1; 594335f8514f200e63d689113d29cb7253a5c282967Alan Cox return 0; 595335f8514f200e63d689113d29cb7253a5c282967Alan Cox} 596335f8514f200e63d689113d29cb7253a5c282967Alan Cox 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int wait_modem_info(struct usb_serial_port *port, unsigned int arg) 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int prevstatus; 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int status; 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int changed; 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 605372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prevstatus = priv->line_status; 607372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (1) { 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds interruptible_sleep_on(&priv->delta_msr_wait); 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* see if a signal did it */ 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (signal_pending(current)) 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ERESTARTSYS; 614372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 615372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = priv->line_status; 617372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 618372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 6193a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox changed = prevstatus ^ status; 620372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (((arg & TIOCM_RNG) && (changed & UART_RING)) || 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((arg & TIOCM_DSR) && (changed & UART_DSR)) || 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((arg & TIOCM_CD) && (changed & UART_DCD)) || 6243a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox ((arg & TIOCM_CTS) && (changed & UART_CTS))) { 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prevstatus = status; 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* NOTREACHED */ 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 63300a0d0d65b61241a718d0aee96f46b9a2d93bf26Alan Coxstatic int pl2303_ioctl(struct tty_struct *tty, 634372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi unsigned int cmd, unsigned long arg) 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 63667b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas struct serial_struct ser; 63795da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 638d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman 639d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s cmd = 0x%04x\n", __func__, cmd); 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cmd) { 64267b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas case TIOCGSERIAL: 64367b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas memset(&ser, 0, sizeof ser); 64467b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.type = PORT_16654; 64567b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.line = port->serial->minor; 64667b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.port = port->number; 64767b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.baud_base = 460800; 64867b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 64967b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas if (copy_to_user((void __user *)arg, &ser, sizeof ser)) 65067b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas return -EFAULT; 65167b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 65267b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas return 0; 65367b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 6543a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case TIOCMIWAIT: 655d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s TIOCMIWAIT\n", __func__); 6563a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox return wait_modem_info(port, arg); 6573a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox default: 658d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s not supported = 0x%04x\n", __func__, cmd); 6593a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOIOCTLCMD; 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 66495da310e66ee8090119596c70ca8432e57f9a97fAlan Coxstatic void pl2303_break_ctl(struct tty_struct *tty, int break_state) 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 66695da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 state; 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (break_state == 0) 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state = BREAK_OFF; 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state = BREAK_ON; 675d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - turning break %s\n", __func__, 6763a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox state == BREAK_OFF ? "off" : "on"); 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 678372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 679372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi BREAK_REQUEST, BREAK_REQUEST_TYPE, state, 680372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, NULL, 0, 100); 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) 682d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_err(&port->dev, "error sending break = %d\n", result); 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 68597bb13ec5bc156352cca8af90080597e04299a73Flavio Leitnerstatic void pl2303_update_line_status(struct usb_serial_port *port, 68697bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned char *data, 68797bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned int actual_length) 68897bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner{ 68997bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 69097bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner struct pl2303_private *priv = usb_get_serial_port_data(port); 691d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek struct tty_struct *tty; 69297bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned long flags; 69397bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner u8 status_idx = UART_STATE; 69495f209f93663103db2a8fb989e226ac68a98b036Horst Schirmeier u8 length = UART_STATE + 1; 695d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek u8 prev_line_status; 6969c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi u16 idv, idp; 69797bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 6989c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idv = le16_to_cpu(port->serial->dev->descriptor.idVendor); 6999c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp = le16_to_cpu(port->serial->dev->descriptor.idProduct); 7009c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 7019c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 7029c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi if (idv == SIEMENS_VENDOR_ID) { 7039c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi if (idp == SIEMENS_PRODUCT_ID_X65 || 7049c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp == SIEMENS_PRODUCT_ID_SX1 || 7059c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp == SIEMENS_PRODUCT_ID_X75) { 7069c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 7079c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi length = 1; 7089c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi status_idx = 0; 7099c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi } 71097bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner } 71197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 71297bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner if (actual_length < length) 713a009b75aa0ed55f0bc473c8a3b3e872cbca807ecLuiz Fernando N. Capitulino return; 71497bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 7153a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox /* Save off the uart status for others to look at */ 71697bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner spin_lock_irqsave(&priv->lock, flags); 717d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek prev_line_status = priv->line_status; 71897bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner priv->line_status = data[status_idx]; 71997bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner spin_unlock_irqrestore(&priv->lock, flags); 720430eb0d27c1b36c5191c16b2472b26137673a8d4Jason Wessel if (priv->line_status & UART_BREAK_ERROR) 721430eb0d27c1b36c5191c16b2472b26137673a8d4Jason Wessel usb_serial_handle_break(port); 722372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi wake_up_interruptible(&priv->delta_msr_wait); 723d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek 724d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek tty = tty_port_tty_get(&port->port); 725d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek if (!tty) 726d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek return; 727d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek if ((priv->line_status ^ prev_line_status) & UART_DCD) 728d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek usb_serial_handle_dcd_change(port, tty, 729d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek priv->line_status & UART_DCD); 730d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek tty_kref_put(tty); 73197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner} 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7337d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic void pl2303_read_int_callback(struct urb *urb) 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 735cdc97792289179974af6dda781c855696358d307Ming Lei struct usb_serial_port *port = urb->context; 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *data = urb->transfer_buffer; 73797bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned int actual_length = urb->actual_length; 738461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman int status = urb->status; 739461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman int retval; 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 741461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman switch (status) { 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* success */ 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ECONNRESET: 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ENOENT: 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ESHUTDOWN: 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* this urb is terminated, clean up */ 749d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n", 750d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman __func__, status); 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 753d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n", 754d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman __func__, status); 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit; 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 75859d33f2fc2d63796296b1b76143e039d6e7cf532Greg Kroah-Hartman usb_serial_debug_data(&port->dev, __func__, 759372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi urb->actual_length, urb->transfer_buffer); 760372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 76197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner pl2303_update_line_status(port, data, actual_length); 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit: 764461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman retval = usb_submit_urb(urb, GFP_ATOMIC); 765461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman if (retval) 766d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_err(&port->dev, 767372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi "%s - usb_submit_urb failed with result %d\n", 768441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison __func__, retval); 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 771f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovoldstatic void pl2303_process_read_urb(struct urb *urb) 772d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox{ 773f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct usb_serial_port *port = urb->context; 774f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct pl2303_private *priv = usb_get_serial_port_data(port); 775f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct tty_struct *tty; 776d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox unsigned char *data = urb->transfer_buffer; 777d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox char tty_flag = TTY_NORMAL; 778f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold unsigned long flags; 779f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold u8 line_status; 780f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold int i; 781f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 782f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold /* update line status */ 783f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold spin_lock_irqsave(&priv->lock, flags); 784f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold line_status = priv->line_status; 785f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold priv->line_status &= ~UART_STATE_TRANSIENT_MASK; 786f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold spin_unlock_irqrestore(&priv->lock, flags); 787f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold wake_up_interruptible(&priv->delta_msr_wait); 788f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 789f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold if (!urb->actual_length) 790f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold return; 791f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 792f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold tty = tty_port_tty_get(&port->port); 793f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold if (!tty) 794f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold return; 795f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 796d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* break takes precedence over parity, */ 797d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* which takes precedence over framing errors */ 798d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox if (line_status & UART_BREAK_ERROR) 799d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_BREAK; 800d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox else if (line_status & UART_PARITY_ERROR) 801d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_PARITY; 802d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox else if (line_status & UART_FRAME_ERROR) 803d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_FRAME; 804d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - tty_flag = %d\n", __func__, tty_flag); 805d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox 806d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* overrun is special, not associated with a char */ 807d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox if (line_status & UART_OVERRUN_ERROR) 808d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_insert_flip_char(tty, 0, TTY_OVERRUN); 8099388e2e71a51fab0aa2309bbb45e8a23d89a95a9Johan Hovold 810d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold if (port->port.console && port->sysrq) { 811d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox for (i = 0; i < urb->actual_length; ++i) 8126ee9f4b4affe751d313d2538999aeec134d413a6Dmitry Torokhov if (!usb_serial_handle_sysrq_char(port, data[i])) 813d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_insert_flip_char(tty, data[i], tty_flag); 814d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold } else { 8152f69335710884ae6112fc8196ebe29b5cda7b79bJiri Slaby tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag, 816d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold urb->actual_length); 8179388e2e71a51fab0aa2309bbb45e8a23d89a95a9Johan Hovold } 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 819f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold tty_flip_buffer_push(tty); 8204a90f09b20f4622dcbff1f0e1e6bae1704f8ad8cAlan Cox tty_kref_put(tty); 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 823572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi/* All of the device info needed for the PL2303 SIO serial converter */ 824572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesistatic struct usb_serial_driver pl2303_device = { 825572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .driver = { 826572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .owner = THIS_MODULE, 827572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .name = "pl2303", 828572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi }, 829572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .id_table = id_table, 830572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .num_ports = 1, 8317919c2fd9e07276403b9a4d9ae52305e0d70f923Johan Hovold .bulk_in_size = 256, 8323efeaff6298290b36499532f0b4c87aa4bae8aefJohan Hovold .bulk_out_size = 256, 833572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .open = pl2303_open, 834572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .close = pl2303_close, 835335f8514f200e63d689113d29cb7253a5c282967Alan Cox .dtr_rts = pl2303_dtr_rts, 836335f8514f200e63d689113d29cb7253a5c282967Alan Cox .carrier_raised = pl2303_carrier_raised, 837572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .ioctl = pl2303_ioctl, 838572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .break_ctl = pl2303_break_ctl, 839572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .set_termios = pl2303_set_termios, 840572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .tiocmget = pl2303_tiocmget, 841572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .tiocmset = pl2303_tiocmset, 842f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold .process_read_urb = pl2303_process_read_urb, 843572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .read_int_callback = pl2303_read_int_callback, 844572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .attach = pl2303_startup, 845f9c99bb8b3a1ec81af68d484a551307326c2e933Alan Stern .release = pl2303_release, 8468bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold .port_probe = pl2303_port_probe, 8478bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold .port_remove = pl2303_port_remove, 848572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi}; 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 850f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Sternstatic struct usb_serial_driver * const serial_drivers[] = { 851f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern &pl2303_device, NULL 852f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern}; 853f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern 85468e24113457e437b1576670f2419b77ed0531e9eGreg Kroah-Hartmanmodule_usb_serial_driver(serial_drivers, id_table); 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION(DRIVER_DESC); 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 858