pl2303.c revision a313249937820f8b1996133fc285efbd6aad2c5b
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> 32b2d6d98fc71bb94ada78d433f26a93498802d3f8Johan Hovold#include <asm/unaligned.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "pl2303.h" 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Version Information 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DRIVER_DESC "Prolific PL2303 USB to serial adaptor driver" 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 407d40d7e85a25e01948bcb4dc3eda1355af318337Németh Mártonstatic const struct usb_device_id id_table[] = { 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID) }, 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ2) }, 433d861494729c70d9ebeb7d93caa107897925c355Peter Moulder { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_DCU11) }, 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ3) }, 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_PHAROS) }, 46b483b6aaa56f0db72fa50e85b6499a32d82009bfMax Arnold { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ALDIGA) }, 474be2fa186d54758296d30c565d7b5111dd45b000Steve Murphy { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MMX) }, 48727df3569b358ef440683787c2b9fe8cc55a0954Greg Kroah-Hartman { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) }, 4918344a1cd5889d48dac67229fcf024ed300030d5Simone Contini { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) }, 5096a3e79edff6f41b0f115a82f1a39d66218077a7Dario Lombardo { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) }, 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) }, 528a28dea3accda319d51a1bf4d3e280771d946f78Masakazu Mokuno { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) }, 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) }, 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) }, 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) }, 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID_UCSGT) }, 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ITEGNO_VENDOR_ID, ITEGNO_PRODUCT_ID) }, 5858381719845d9ee19a321c2eb69cfa9b7886be9aWang Jun { USB_DEVICE(ITEGNO_VENDOR_ID, ITEGNO_PRODUCT_ID_2080) }, 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(MA620_VENDOR_ID, MA620_PRODUCT_ID) }, 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID) }, 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(TRIPP_VENDOR_ID, TRIPP_PRODUCT_ID) }, 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(RADIOSHACK_VENDOR_ID, RADIOSHACK_PRODUCT_ID) }, 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(DCU10_VENDOR_ID, DCU10_PRODUCT_ID) }, 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(SITECOM_VENDOR_ID, SITECOM_PRODUCT_ID) }, 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_ID) }, 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_ID) }, 67a8310f3b8b713e52d77c56d4b8865685ee40d02aLuiz Fernando Capitulino { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_SX1) }, 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X65) }, 69a8310f3b8b713e52d77c56d4b8865685ee40d02aLuiz Fernando Capitulino { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X75) }, 70e7beb667842ad0f6ec95a22e7c88e71dfbd60649Andreas Loibl { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_EF81) }, 71912299f6f0587bb6c221705ed9949709b36b3c56Alan Cox { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_ID_S81) }, /* Benq/Siemens S81 */ 72acbb36f116243bed515357264ecbb6ff9c6d2a5bPeter Favrholdt { USB_DEVICE(SYNTECH_VENDOR_ID, SYNTECH_PRODUCT_ID) }, 73c6c27721a42b991965bb792d5c196b8331d008d5Christian Lindner { USB_DEVICE(NOKIA_CA42_VENDOR_ID, NOKIA_CA42_PRODUCT_ID) }, 74c6c27721a42b991965bb792d5c196b8331d008d5Christian Lindner { USB_DEVICE(CA_42_CA42_VENDOR_ID, CA_42_CA42_PRODUCT_ID) }, 756cceb05f8df6e28ab90f44bdeba50d33928cdee5Denis MONTERRAT { USB_DEVICE(SAGEM_VENDOR_ID, SAGEM_PRODUCT_ID) }, 76c6c27721a42b991965bb792d5c196b8331d008d5Christian Lindner { USB_DEVICE(LEADTEK_VENDOR_ID, LEADTEK_9531_PRODUCT_ID) }, 77491b04ce1c9adfa0cd73f095086f3c37da81b667Dick Streefland { USB_DEVICE(SPEEDDRAGON_VENDOR_ID, SPEEDDRAGON_PRODUCT_ID) }, 783b92847425a98d26ad9d2b8682d3ce6020c90752Matthew Meno { USB_DEVICE(DATAPILOT_U2_VENDOR_ID, DATAPILOT_U2_PRODUCT_ID) }, 79b7aa94b682dc6b6dcdc01d36f8e65cef5aae81e2Kim Oldfield { USB_DEVICE(BELKIN_VENDOR_ID, BELKIN_PRODUCT_ID) }, 808fd801339350b63cbb90730ff8b2be349fb3dc67Johannes Steingraeber { USB_DEVICE(ALCOR_VENDOR_ID, ALCOR_PRODUCT_ID) }, 812d94b981c7fcb0fba4aa3442cd180066dbedbbc8YOSHIFUJI Hideaki { USB_DEVICE(WS002IN_VENDOR_ID, WS002IN_PRODUCT_ID) }, 829e3285dba5cac12d656da66fd7d420ff1bc0ecc0Magnus Damm { USB_DEVICE(COREGA_VENDOR_ID, COREGA_PRODUCT_ID) }, 83cc311ee7d29d96f0bf15599f4456012d6f5ea23cDamien Stuart { USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) }, 847c99200142c04d0f1ed3f048014591f841efdaedMatthew Arnold { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) }, 85af4b8514aafd53d97b05a0a30b7d4cfd2cbb7b81Mike Provencher { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) }, 868540d66615c39010168ab97eaafb476ec2851298Gianpaolo Cugola { USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) }, 87f36ecd5de93e4c85a9e3d25100c6e233155b12e5Jef Driesen { USB_DEVICE(ZEAGLE_VENDOR_ID, ZEAGLE_N2ITION3_PRODUCT_ID) }, 8849276560c9004fce24c42e3c0ad75f34d956fc63Khanh-Dang Nguyen Thu Lam { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) }, 8935904e6b5106fda51b04c8b8080c04466865415fPawel Ludwikow { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) }, 909a61d72602771906e11a5944e8571f8006387b39Manuel Jander { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) }, 91598f0b703506da841d3459dc0c48506be14d1778Eric Benoit { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { } /* Terminating entry */ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 95372db8a780f63368c6960a167b7a19aad776d704Thiago GalesiMODULE_DEVICE_TABLE(usb, id_table); 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_LINE_REQUEST_TYPE 0x21 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_LINE_REQUEST 0x20 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_CONTROL_REQUEST_TYPE 0x21 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_CONTROL_REQUEST 0x22 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CONTROL_DTR 0x01 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CONTROL_RTS 0x02 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BREAK_REQUEST_TYPE 0x21 1063a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox#define BREAK_REQUEST 0x23 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BREAK_ON 0xffff 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BREAK_OFF 0x0000 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GET_LINE_REQUEST_TYPE 0xa1 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GET_LINE_REQUEST 0x21 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_WRITE_REQUEST_TYPE 0x40 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_WRITE_REQUEST 0x01 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_READ_REQUEST_TYPE 0xc0 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_READ_REQUEST 0x01 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_STATE 0x08 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_STATE_TRANSIENT_MASK 0x74 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_DCD 0x01 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_DSR 0x02 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_BREAK_ERROR 0x04 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_RING 0x08 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_FRAME_ERROR 0x10 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_PARITY_ERROR 0x20 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_OVERRUN_ERROR 0x40 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_CTS 0x80 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsenum pl2303_type { 132e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman type_0, /* don't know the difference between type 0 and */ 133e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman type_1, /* type 1, until someone from prolific tells us... */ 134e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman HX, /* HX version of the pl2303 chip */ 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1378bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovoldstruct pl2303_serial_private { 1388bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold enum pl2303_type type; 1398bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold}; 1408bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct pl2303_private { 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t lock; 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); 1537b5789a86890423e1460362798140c26822798b1Johan Hovold dev_dbg(&serial->interface->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); 1657b5789a86890423e1460362798140c26822798b1Johan Hovold dev_dbg(&serial->interface->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 187b52e111363e366202386f3e67f71681dbbb8e5d9Greg Kroah-Hartman if (serial->dev->descriptor.bDeviceClass == 0x02) 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_0; 189b52e111363e366202386f3e67f71681dbbb8e5d9Greg Kroah-Hartman else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40) 190e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman type = HX; 191281393ad0bcfc309434d2bff38abc15805c2cbc4Greg Kroah-Hartman else if (serial->dev->descriptor.bDeviceClass == 0x00) 192281393ad0bcfc309434d2bff38abc15805c2cbc4Greg Kroah-Hartman type = type_1; 193281393ad0bcfc309434d2bff38abc15805c2cbc4Greg Kroah-Hartman else if (serial->dev->descriptor.bDeviceClass == 0xFF) 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_1; 195b52e111363e366202386f3e67f71681dbbb8e5d9Greg 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); 210e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman if (type == HX) 211034d1527adebd302115c87ef343497a889638275Frank Schäfer pl2303_vendor_write(2, 0x44, serial); 212e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman else 213e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman 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 2378bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold usb_set_serial_port_data(port, priv); 2388bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 239d7be62211125c85fa1dd796e92aadce84961a502Johan Hovold port->port.drain_delay = 256; 240d7be62211125c85fa1dd796e92aadce84961a502Johan Hovold 2418bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return 0; 2428bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold} 2438bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2448bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovoldstatic int pl2303_port_remove(struct usb_serial_port *port) 2458bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold{ 2468bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold struct pl2303_private *priv; 2478bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2488bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold priv = usb_get_serial_port_data(port); 2498bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold kfree(priv); 2508bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold 2518bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold return 0; 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 254f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovoldstatic int pl2303_set_control_lines(struct usb_serial_port *port, u8 value) 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 256f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovold struct usb_device *dev = port->serial->dev; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 2583a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox 259372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 260372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi SET_CONTROL_REQUEST, SET_CONTROL_REQUEST_TYPE, 261372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi value, 0, NULL, 0, 100); 262f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovold dev_dbg(&port->dev, "%s - value = %d, retval = %d\n", __func__, 263d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman value, retval); 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26715e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovoldstatic void pl2303_encode_baudrate(struct tty_struct *tty, 26815e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold struct usb_serial_port *port, 26915e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold u8 buf[4]) 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2717e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman const int baud_sup[] = { 75, 150, 300, 600, 1200, 1800, 2400, 3600, 2727e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman 4800, 7200, 9600, 14400, 19200, 28800, 38400, 2737e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman 57600, 115200, 230400, 460800, 500000, 614400, 2747e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman 921600, 1228800, 2457600, 3000000, 6000000 }; 2757e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman 276692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman struct usb_serial *serial = port->serial; 277692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman struct pl2303_serial_private *spriv = usb_get_serial_data(serial); 27815e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold int baud; 2797e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman int i; 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2817e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman /* 2827e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman * NOTE: Only the values defined in baud_sup are supported! 2837e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman * => if unsupported values are set, the PL2303 seems to use 2847e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman * 9600 baud (at least my PL2303X always does) 2857e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman */ 28695da310e66ee8090119596c70ca8432e57f9a97fAlan Cox baud = tty_get_baud_rate(tty); 287d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "baud requested = %d\n", baud); 288b2d6d98fc71bb94ada78d433f26a93498802d3f8Johan Hovold if (!baud) 289b2d6d98fc71bb94ada78d433f26a93498802d3f8Johan Hovold return; 290692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman 2917e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman /* Set baudrate to nearest supported value */ 2927e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman for (i = 0; i < ARRAY_SIZE(baud_sup); ++i) { 2937e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman if (baud_sup[i] > baud) 2947e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman break; 2957e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman } 296692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman 2977e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman if (i == ARRAY_SIZE(baud_sup)) 2987e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman baud = baud_sup[i - 1]; 2997e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman else if (i > 0 && (baud_sup[i] - baud) > (baud - baud_sup[i - 1])) 3007e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman baud = baud_sup[i - 1]; 3017e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman else 3027e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman baud = baud_sup[i]; 303692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman 3047e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman /* type_0, type_1 only support up to 1228800 baud */ 3057e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman if (spriv->type != HX) 3067e12a6fcbf266eb0d5b19761f91b2964ad18e371Greg Kroah-Hartman baud = min_t(int, baud, 1228800); 307692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman 30854dc5792ea933a3ff8c62a1f9ea9e4e6cbdd324aGreg Kroah-Hartman if (baud <= 115200) { 309692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman put_unaligned_le32(baud, buf); 310692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman } else { 311692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman /* 3121796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman * Apparently the formula for higher speeds is: 3131796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman * baudrate = 12M * 32 / (2^buf[1]) / buf[0] 314692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman */ 3151796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman unsigned tmp = 12000000 * 32 / baud; 3161796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman buf[3] = 0x80; 317692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman buf[2] = 0; 3181796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman buf[1] = (tmp >= 256); 3191796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman while (tmp >= 256) { 3201796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman tmp >>= 2; 3211796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman buf[1] <<= 1; 3221796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman } 3231796a228762cd0b86e14d6d4a3de9ecfe65b3b8dGreg Kroah-Hartman buf[0] = tmp; 324692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman } 325692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman 32615e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold /* Save resulting baud rate */ 327b2d6d98fc71bb94ada78d433f26a93498802d3f8Johan Hovold tty_encode_baud_rate(tty, baud, baud); 328b2d6d98fc71bb94ada78d433f26a93498802d3f8Johan Hovold dev_dbg(&port->dev, "baud set = %d\n", baud); 32915e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold} 33015e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold 33115e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovoldstatic void pl2303_set_termios(struct tty_struct *tty, 33215e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold struct usb_serial_port *port, struct ktermios *old_termios) 33315e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold{ 33415e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold struct usb_serial *serial = port->serial; 33515e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold struct pl2303_serial_private *spriv = usb_get_serial_data(serial); 33615e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold struct pl2303_private *priv = usb_get_serial_port_data(port); 33715e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold unsigned long flags; 33815e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold unsigned char *buf; 33915e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold int i; 34015e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold u8 control; 34115e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold 34287265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold /* 34387265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold * The PL2303 is reported to lose bytes if you change serial settings 34487265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold * even to the same values as before. Thus we actually need to filter 34587265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold * in this specific case. 34687265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold */ 34715e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios)) 34815e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold return; 34915e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold 35015e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold buf = kzalloc(7, GFP_KERNEL); 35115e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold if (!buf) { 35215e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold dev_err(&port->dev, "%s - out of memory.\n", __func__); 35315e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold /* Report back no change occurred */ 35415e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold if (old_termios) 35515e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold tty->termios = *old_termios; 35615e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold return; 35715e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold } 35815e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold 35915e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 36015e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE, 36115e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold 0, 0, buf, 7, 100); 36215e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold dev_dbg(&port->dev, "0xa1:0x21:0:0 %d - %7ph\n", i, buf); 36315e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold 364a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner switch (C_CSIZE(tty)) { 365a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner case CS5: 366a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner buf[6] = 5; 367a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner break; 368a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner case CS6: 369a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner buf[6] = 6; 370a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner break; 371a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner case CS7: 372a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner buf[6] = 7; 373a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner break; 374a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner default: 375a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner case CS8: 376a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner buf[6] = 8; 37715e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold } 378a313249937820f8b1996133fc285efbd6aad2c5bColin Leitner dev_dbg(&port->dev, "data bits = %d\n", buf[6]); 37915e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold 380692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman /* For reference buf[0]:buf[3] baud rate value */ 381692ed4ddf0010dd643d38d6ef1a15bf64a7fbc6dGreg Kroah-Hartman pl2303_encode_baudrate(tty, port, &buf[0]); 38215e7cead1ed89d445cf86c75a72368e98a7a9039Johan Hovold 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=0 is 1 stop bits */ 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=1 is 1.5 stop bits */ 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=2 is 2 stop bits */ 38687265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold if (C_CSTOPB(tty)) { 38787265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold /* 38887265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold * NOTE: Comply with "real" UARTs / RS232: 38929cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer * use 1.5 instead of 2 stop bits with 5 data bits 39029cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer */ 39187265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold if (C_CSIZE(tty) == CS5) { 39229cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer buf[4] = 1; 393d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "stop bits = 1.5\n"); 39429cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer } else { 39529cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer buf[4] = 2; 396d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "stop bits = 2\n"); 39729cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer } 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[4] = 0; 400d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "stop bits = 1\n"); 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 40387265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold if (C_PARENB(tty)) { 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=0 is none parity */ 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=1 is odd parity */ 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=2 is even parity */ 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=3 is mark parity */ 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=4 is space parity */ 40987265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold if (C_PARODD(tty)) { 41087265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold if (tty->termios.c_cflag & CMSPAR) { 4116dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 3; 412d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = mark\n"); 4136dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } else { 4146dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 1; 415d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = odd\n"); 4166dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 41887265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold if (tty->termios.c_cflag & CMSPAR) { 4196dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 4; 420d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = space\n"); 4216dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } else { 4226dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 2; 423d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = even\n"); 4246dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[5] = 0; 428d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "parity = none\n"); 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 432372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi SET_LINE_REQUEST, SET_LINE_REQUEST_TYPE, 433372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 434d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "0x21:0x20:0:0 %d\n", i); 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* change control lines if we are switching to or from B0 */ 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&priv->lock, flags); 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 43987265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold if (C_BAUD(tty) == B0) 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); 4412d8f4447b58bba5f8cb895c07690434c02307eafJohan Hovold else if (old_termios && (old_termios->c_cflag & CBAUD) == B0) 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= (CONTROL_DTR | CONTROL_RTS); 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (control != priv->line_control) { 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&priv->lock, flags); 446f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovold pl2303_set_control_lines(port, control); 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&priv->lock, flags); 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 450372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 45187265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold memset(buf, 0, 7); 452372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 453372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE, 454372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 455715cf92aeb061c47f7170d0d7899311b7597bc66Andy Shevchenko dev_dbg(&port->dev, "0xa1:0x21:0:0 %d - %7ph\n", i, buf); 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 45787265b4514f5a0b79efdccdcb1c6331285652640Johan Hovold if (C_CRTSCTS(tty)) { 458e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman if (spriv->type == HX) 459034d1527adebd302115c87ef343497a889638275Frank Schäfer pl2303_vendor_write(0x0, 0x61, serial); 460e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman else 461e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman pl2303_vendor_write(0x0, 0x41, serial); 462715f9527c1c1edd1a9c7a55ab4535211279c9374t.sefzick } else { 463eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x0, serial); 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 465572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi 466572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi kfree(buf); 467572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi} 468572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi 469335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic void pl2303_dtr_rts(struct usb_serial_port *port, int on) 470335f8514f200e63d689113d29cb7253a5c282967Alan Cox{ 471335f8514f200e63d689113d29cb7253a5c282967Alan Cox struct pl2303_private *priv = usb_get_serial_port_data(port); 472335f8514f200e63d689113d29cb7253a5c282967Alan Cox unsigned long flags; 473335f8514f200e63d689113d29cb7253a5c282967Alan Cox u8 control; 474335f8514f200e63d689113d29cb7253a5c282967Alan Cox 475335f8514f200e63d689113d29cb7253a5c282967Alan Cox spin_lock_irqsave(&priv->lock, flags); 476335f8514f200e63d689113d29cb7253a5c282967Alan Cox /* Change DTR and RTS */ 477335f8514f200e63d689113d29cb7253a5c282967Alan Cox if (on) 478335f8514f200e63d689113d29cb7253a5c282967Alan Cox priv->line_control |= (CONTROL_DTR | CONTROL_RTS); 479335f8514f200e63d689113d29cb7253a5c282967Alan Cox else 480335f8514f200e63d689113d29cb7253a5c282967Alan Cox priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); 481335f8514f200e63d689113d29cb7253a5c282967Alan Cox control = priv->line_control; 482335f8514f200e63d689113d29cb7253a5c282967Alan Cox spin_unlock_irqrestore(&priv->lock, flags); 483f45d0a5aa593cdf48a37489fc61c145e16964288Johan Hovold pl2303_set_control_lines(port, control); 484335f8514f200e63d689113d29cb7253a5c282967Alan Cox} 485335f8514f200e63d689113d29cb7253a5c282967Alan Cox 486335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic void pl2303_close(struct usb_serial_port *port) 487572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi{ 4888b0127b2082601e40295045414a8318f2c8ee5a0Johan Hovold usb_serial_generic_close(port); 489572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi usb_kill_urb(port->interrupt_in_urb); 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 492a509a7e478e4766114d69f12d19d644ac63e9765Alan Coxstatic int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port) 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 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 498e8bbd5c42b65b662756d67290a5c4dcda1abc596Greg Kroah-Hartman 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) 5092d8f4447b58bba5f8cb895c07690434c02307eafJohan Hovold pl2303_set_termios(tty, port, NULL); 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 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 52720b9d17715017ae4dd4ec87fabc36d33b9de708eAlan Coxstatic int pl2303_tiocmset(struct tty_struct *tty, 528372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi unsigned int set, unsigned int clear) 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 53095da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 control; 5346f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold int ret; 5356fdd8e8e33730a2abc886113bd0b6c4343f63cc9Flavio Leitner 536372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_RTS) 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= CONTROL_RTS; 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_DTR) 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= CONTROL_DTR; 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_RTS) 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~CONTROL_RTS; 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_DTR) 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~CONTROL_DTR; 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 546372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5485ddbb26b8b571231cace9f013b2d0ae66229b316Johan Hovold ret = pl2303_set_control_lines(port, control); 5495ddbb26b8b571231cace9f013b2d0ae66229b316Johan Hovold if (ret) 5505ddbb26b8b571231cace9f013b2d0ae66229b316Johan Hovold return usb_translate_errors(ret); 5516f1efd6c5aa63ddcfe1ffc60ade716f5421766f4Johan Hovold 5525ddbb26b8b571231cace9f013b2d0ae66229b316Johan Hovold return 0; 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 55560b33c133ca0b7c0b6072c87234b63fee6e80558Alan Coxstatic int pl2303_tiocmget(struct tty_struct *tty) 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 55795da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int mcr; 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int status; 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int result; 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 564372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mcr = priv->line_control; 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = priv->line_status; 567372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = ((mcr & CONTROL_DTR) ? TIOCM_DTR : 0) 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((mcr & CONTROL_RTS) ? TIOCM_RTS : 0) 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_CTS) ? TIOCM_CTS : 0) 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_DSR) ? TIOCM_DSR : 0) 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_RING) ? TIOCM_RI : 0) 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_DCD) ? TIOCM_CD : 0); 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 576d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - result = %x\n", __func__, result); 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic int pl2303_carrier_raised(struct usb_serial_port *port) 582335f8514f200e63d689113d29cb7253a5c282967Alan Cox{ 583335f8514f200e63d689113d29cb7253a5c282967Alan Cox struct pl2303_private *priv = usb_get_serial_port_data(port); 584335f8514f200e63d689113d29cb7253a5c282967Alan Cox if (priv->line_status & UART_DCD) 585335f8514f200e63d689113d29cb7253a5c282967Alan Cox return 1; 586335f8514f200e63d689113d29cb7253a5c282967Alan Cox return 0; 587335f8514f200e63d689113d29cb7253a5c282967Alan Cox} 588335f8514f200e63d689113d29cb7253a5c282967Alan Cox 589824d11bef5540062d17380c65ee52d4b2948ca84Johan Hovoldstatic int pl2303_tiocmiwait(struct tty_struct *tty, unsigned long arg) 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 591824d11bef5540062d17380c65ee52d4b2948ca84Johan Hovold struct usb_serial_port *port = tty->driver_data; 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int prevstatus; 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int status; 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int changed; 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 598372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prevstatus = priv->line_status; 600372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (1) { 6036d0cad657a133818038683120fff9c5c5f8dc751Johan Hovold interruptible_sleep_on(&port->port.delta_msr_wait); 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* see if a signal did it */ 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (signal_pending(current)) 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ERESTARTSYS; 607372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 60840509ca982c00c4b70fc00be887509feca0bff15Johan Hovold if (port->serial->disconnected) 60940509ca982c00c4b70fc00be887509feca0bff15Johan Hovold return -EIO; 61040509ca982c00c4b70fc00be887509feca0bff15Johan Hovold 611372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = priv->line_status; 613372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 614372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 6153a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox changed = prevstatus ^ status; 616372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (((arg & TIOCM_RNG) && (changed & UART_RING)) || 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((arg & TIOCM_DSR) && (changed & UART_DSR)) || 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((arg & TIOCM_CD) && (changed & UART_DCD)) || 6203a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox ((arg & TIOCM_CTS) && (changed & UART_CTS))) { 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prevstatus = status; 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* NOTREACHED */ 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 62900a0d0d65b61241a718d0aee96f46b9a2d93bf26Alan Coxstatic int pl2303_ioctl(struct tty_struct *tty, 630372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi unsigned int cmd, unsigned long arg) 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 63267b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas struct serial_struct ser; 63395da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 634d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman 635d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s cmd = 0x%04x\n", __func__, cmd); 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cmd) { 63867b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas case TIOCGSERIAL: 63967b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas memset(&ser, 0, sizeof ser); 64067b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.type = PORT_16654; 641e5b1e2062e0535e8ffef79bb34d857e21380d101Greg Kroah-Hartman ser.line = port->minor; 6421143832eca8f1d64da7d85642c956ae9d25c69e1Greg Kroah-Hartman ser.port = port->port_number; 64367b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.baud_base = 460800; 64467b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 64567b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas if (copy_to_user((void __user *)arg, &ser, sizeof ser)) 64667b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas return -EFAULT; 64767b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 64867b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas return 0; 6493a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox default: 650d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s not supported = 0x%04x\n", __func__, cmd); 6513a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOIOCTLCMD; 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 65695da310e66ee8090119596c70ca8432e57f9a97fAlan Coxstatic void pl2303_break_ctl(struct tty_struct *tty, int break_state) 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 65895da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 state; 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (break_state == 0) 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state = BREAK_OFF; 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state = BREAK_ON; 667d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - turning break %s\n", __func__, 6683a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox state == BREAK_OFF ? "off" : "on"); 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 670372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 671372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi BREAK_REQUEST, BREAK_REQUEST_TYPE, state, 672372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, NULL, 0, 100); 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) 674d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_err(&port->dev, "error sending break = %d\n", result); 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 67797bb13ec5bc156352cca8af90080597e04299a73Flavio Leitnerstatic void pl2303_update_line_status(struct usb_serial_port *port, 67897bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned char *data, 67997bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned int actual_length) 68097bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner{ 68197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 68297bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner struct pl2303_private *priv = usb_get_serial_port_data(port); 683d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek struct tty_struct *tty; 68497bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned long flags; 68597bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner u8 status_idx = UART_STATE; 68695f209f93663103db2a8fb989e226ac68a98b036Horst Schirmeier u8 length = UART_STATE + 1; 687d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek u8 prev_line_status; 6889c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi u16 idv, idp; 68997bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 6909c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idv = le16_to_cpu(port->serial->dev->descriptor.idVendor); 6919c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp = le16_to_cpu(port->serial->dev->descriptor.idProduct); 6929c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 6939c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 6949c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi if (idv == SIEMENS_VENDOR_ID) { 6959c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi if (idp == SIEMENS_PRODUCT_ID_X65 || 6969c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp == SIEMENS_PRODUCT_ID_SX1 || 6979c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp == SIEMENS_PRODUCT_ID_X75) { 6989c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 6999c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi length = 1; 7009c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi status_idx = 0; 7019c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi } 70297bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner } 70397bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 70497bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner if (actual_length < length) 705a009b75aa0ed55f0bc473c8a3b3e872cbca807ecLuiz Fernando N. Capitulino return; 70697bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 7073a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox /* Save off the uart status for others to look at */ 70897bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner spin_lock_irqsave(&priv->lock, flags); 709d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek prev_line_status = priv->line_status; 71097bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner priv->line_status = data[status_idx]; 71197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner spin_unlock_irqrestore(&priv->lock, flags); 712430eb0d27c1b36c5191c16b2472b26137673a8d4Jason Wessel if (priv->line_status & UART_BREAK_ERROR) 713430eb0d27c1b36c5191c16b2472b26137673a8d4Jason Wessel usb_serial_handle_break(port); 7146d0cad657a133818038683120fff9c5c5f8dc751Johan Hovold wake_up_interruptible(&port->port.delta_msr_wait); 715d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek 716d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek tty = tty_port_tty_get(&port->port); 717d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek if (!tty) 718d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek return; 719d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek if ((priv->line_status ^ prev_line_status) & UART_DCD) 720d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek usb_serial_handle_dcd_change(port, tty, 721d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek priv->line_status & UART_DCD); 722d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek tty_kref_put(tty); 72397bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner} 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7257d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic void pl2303_read_int_callback(struct urb *urb) 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 727cdc97792289179974af6dda781c855696358d307Ming Lei struct usb_serial_port *port = urb->context; 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *data = urb->transfer_buffer; 72997bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned int actual_length = urb->actual_length; 730461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman int status = urb->status; 731461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman int retval; 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 733461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman switch (status) { 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* success */ 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ECONNRESET: 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ENOENT: 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ESHUTDOWN: 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* this urb is terminated, clean up */ 741d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n", 742d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman __func__, status); 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 745d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n", 746d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman __func__, status); 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit; 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 75059d33f2fc2d63796296b1b76143e039d6e7cf532Greg Kroah-Hartman usb_serial_debug_data(&port->dev, __func__, 751372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi urb->actual_length, urb->transfer_buffer); 752372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 75397bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner pl2303_update_line_status(port, data, actual_length); 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit: 756461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman retval = usb_submit_urb(urb, GFP_ATOMIC); 757461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman if (retval) 758d8789b2b90aeb53ce59ac232d2ff0d8357d53893Greg Kroah-Hartman dev_err(&port->dev, 759372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi "%s - usb_submit_urb failed with result %d\n", 760441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison __func__, retval); 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 763f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovoldstatic void pl2303_process_read_urb(struct urb *urb) 764d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox{ 765f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct usb_serial_port *port = urb->context; 766f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct pl2303_private *priv = usb_get_serial_port_data(port); 767d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox unsigned char *data = urb->transfer_buffer; 768d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox char tty_flag = TTY_NORMAL; 769f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold unsigned long flags; 770f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold u8 line_status; 771f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold int i; 772f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 773f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold /* update line status */ 774f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold spin_lock_irqsave(&priv->lock, flags); 775f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold line_status = priv->line_status; 776f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold priv->line_status &= ~UART_STATE_TRANSIENT_MASK; 777f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold spin_unlock_irqrestore(&priv->lock, flags); 7786d0cad657a133818038683120fff9c5c5f8dc751Johan Hovold wake_up_interruptible(&port->port.delta_msr_wait); 779f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 780f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold if (!urb->actual_length) 781f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold return; 782f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 783d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* break takes precedence over parity, */ 784d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* which takes precedence over framing errors */ 785d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox if (line_status & UART_BREAK_ERROR) 786d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_BREAK; 787d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox else if (line_status & UART_PARITY_ERROR) 788d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_PARITY; 789d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox else if (line_status & UART_FRAME_ERROR) 790d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_FRAME; 791d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox 7923ba19fe31b726371b45f91a8de9341f5625e75e4Johan Hovold if (tty_flag != TTY_NORMAL) 7933ba19fe31b726371b45f91a8de9341f5625e75e4Johan Hovold dev_dbg(&port->dev, "%s - tty_flag = %d\n", __func__, 7943ba19fe31b726371b45f91a8de9341f5625e75e4Johan Hovold tty_flag); 795d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* overrun is special, not associated with a char */ 796d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox if (line_status & UART_OVERRUN_ERROR) 79792a19f9cec9a80ad93c06e115822deb729e2c6adJiri Slaby tty_insert_flip_char(&port->port, 0, TTY_OVERRUN); 7989388e2e71a51fab0aa2309bbb45e8a23d89a95a9Johan Hovold 799d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold if (port->port.console && port->sysrq) { 800d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox for (i = 0; i < urb->actual_length; ++i) 8016ee9f4b4affe751d313d2538999aeec134d413a6Dmitry Torokhov if (!usb_serial_handle_sysrq_char(port, data[i])) 80292a19f9cec9a80ad93c06e115822deb729e2c6adJiri Slaby tty_insert_flip_char(&port->port, data[i], 80392a19f9cec9a80ad93c06e115822deb729e2c6adJiri Slaby tty_flag); 804d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold } else { 8052f69335710884ae6112fc8196ebe29b5cda7b79bJiri Slaby tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag, 806d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold urb->actual_length); 8079388e2e71a51fab0aa2309bbb45e8a23d89a95a9Johan Hovold } 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8092e124b4a390ca85325fae75764bef92f0547fa25Jiri Slaby tty_flip_buffer_push(&port->port); 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 812572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi/* All of the device info needed for the PL2303 SIO serial converter */ 813572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesistatic struct usb_serial_driver pl2303_device = { 814572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .driver = { 815572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .owner = THIS_MODULE, 816572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .name = "pl2303", 817572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi }, 818572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .id_table = id_table, 819572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .num_ports = 1, 8207919c2fd9e07276403b9a4d9ae52305e0d70f923Johan Hovold .bulk_in_size = 256, 8213efeaff6298290b36499532f0b4c87aa4bae8aefJohan Hovold .bulk_out_size = 256, 822572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .open = pl2303_open, 823572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .close = pl2303_close, 824335f8514f200e63d689113d29cb7253a5c282967Alan Cox .dtr_rts = pl2303_dtr_rts, 825335f8514f200e63d689113d29cb7253a5c282967Alan Cox .carrier_raised = pl2303_carrier_raised, 826572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .ioctl = pl2303_ioctl, 827572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .break_ctl = pl2303_break_ctl, 828572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .set_termios = pl2303_set_termios, 829572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .tiocmget = pl2303_tiocmget, 830572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .tiocmset = pl2303_tiocmset, 831824d11bef5540062d17380c65ee52d4b2948ca84Johan Hovold .tiocmiwait = pl2303_tiocmiwait, 832f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold .process_read_urb = pl2303_process_read_urb, 833572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .read_int_callback = pl2303_read_int_callback, 834572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .attach = pl2303_startup, 835f9c99bb8b3a1ec81af68d484a551307326c2e933Alan Stern .release = pl2303_release, 8368bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold .port_probe = pl2303_port_probe, 8378bf769eb5f6efc33f95088850f33fcc05d28b508Johan Hovold .port_remove = pl2303_port_remove, 838572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi}; 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 840f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Sternstatic struct usb_serial_driver * const serial_drivers[] = { 841f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern &pl2303_device, NULL 842f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern}; 843f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern 84468e24113457e437b1576670f2419b77ed0531e9eGreg Kroah-Hartmanmodule_usb_serial_driver(serial_drivers, id_table); 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION(DRIVER_DESC); 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 848