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 3990ab5ee94171b3e28de6bb42ee30b527014e0be7Rusty Russellstatic bool debug; 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PL2303_CLOSING_WAIT (30*HZ) 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 437d40d7e85a25e01948bcb4dc3eda1355af318337Németh Mártonstatic const struct usb_device_id id_table[] = { 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID) }, 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ2) }, 463d861494729c70d9ebeb7d93caa107897925c355Peter Moulder { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_DCU11) }, 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ3) }, 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_PHAROS) }, 49b483b6aaa56f0db72fa50e85b6499a32d82009bfMax Arnold { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ALDIGA) }, 504be2fa186d54758296d30c565d7b5111dd45b000Steve Murphy { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MMX) }, 51727df3569b358ef440683787c2b9fe8cc55a0954Greg Kroah-Hartman { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) }, 5218344a1cd5889d48dac67229fcf024ed300030d5Simone Contini { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) }, 5396a3e79edff6f41b0f115a82f1a39d66218077a7Dario Lombardo { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) }, 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) }, 558a28dea3accda319d51a1bf4d3e280771d946f78Masakazu Mokuno { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) }, 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) }, 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) }, 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) }, 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID_UCSGT) }, 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ITEGNO_VENDOR_ID, ITEGNO_PRODUCT_ID) }, 6158381719845d9ee19a321c2eb69cfa9b7886be9aWang Jun { USB_DEVICE(ITEGNO_VENDOR_ID, ITEGNO_PRODUCT_ID_2080) }, 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(MA620_VENDOR_ID, MA620_PRODUCT_ID) }, 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID) }, 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(TRIPP_VENDOR_ID, TRIPP_PRODUCT_ID) }, 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(RADIOSHACK_VENDOR_ID, RADIOSHACK_PRODUCT_ID) }, 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(DCU10_VENDOR_ID, DCU10_PRODUCT_ID) }, 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(SITECOM_VENDOR_ID, SITECOM_PRODUCT_ID) }, 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_ID) }, 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_ID) }, 70a8310f3b8b713e52d77c56d4b8865685ee40d02aLuiz Fernando Capitulino { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_SX1) }, 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X65) }, 72a8310f3b8b713e52d77c56d4b8865685ee40d02aLuiz Fernando Capitulino { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X75) }, 73e7beb667842ad0f6ec95a22e7c88e71dfbd60649Andreas Loibl { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_EF81) }, 74912299f6f0587bb6c221705ed9949709b36b3c56Alan Cox { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_ID_S81) }, /* Benq/Siemens S81 */ 75acbb36f116243bed515357264ecbb6ff9c6d2a5bPeter Favrholdt { USB_DEVICE(SYNTECH_VENDOR_ID, SYNTECH_PRODUCT_ID) }, 76c6c27721a42b991965bb792d5c196b8331d008d5Christian Lindner { USB_DEVICE(NOKIA_CA42_VENDOR_ID, NOKIA_CA42_PRODUCT_ID) }, 77c6c27721a42b991965bb792d5c196b8331d008d5Christian Lindner { USB_DEVICE(CA_42_CA42_VENDOR_ID, CA_42_CA42_PRODUCT_ID) }, 786cceb05f8df6e28ab90f44bdeba50d33928cdee5Denis MONTERRAT { USB_DEVICE(SAGEM_VENDOR_ID, SAGEM_PRODUCT_ID) }, 79c6c27721a42b991965bb792d5c196b8331d008d5Christian Lindner { USB_DEVICE(LEADTEK_VENDOR_ID, LEADTEK_9531_PRODUCT_ID) }, 80491b04ce1c9adfa0cd73f095086f3c37da81b667Dick Streefland { USB_DEVICE(SPEEDDRAGON_VENDOR_ID, SPEEDDRAGON_PRODUCT_ID) }, 813b92847425a98d26ad9d2b8682d3ce6020c90752Matthew Meno { USB_DEVICE(DATAPILOT_U2_VENDOR_ID, DATAPILOT_U2_PRODUCT_ID) }, 82b7aa94b682dc6b6dcdc01d36f8e65cef5aae81e2Kim Oldfield { USB_DEVICE(BELKIN_VENDOR_ID, BELKIN_PRODUCT_ID) }, 838fd801339350b63cbb90730ff8b2be349fb3dc67Johannes Steingraeber { USB_DEVICE(ALCOR_VENDOR_ID, ALCOR_PRODUCT_ID) }, 842d94b981c7fcb0fba4aa3442cd180066dbedbbc8YOSHIFUJI Hideaki { USB_DEVICE(WS002IN_VENDOR_ID, WS002IN_PRODUCT_ID) }, 859e3285dba5cac12d656da66fd7d420ff1bc0ecc0Magnus Damm { USB_DEVICE(COREGA_VENDOR_ID, COREGA_PRODUCT_ID) }, 86cc311ee7d29d96f0bf15599f4456012d6f5ea23cDamien Stuart { USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) }, 877c99200142c04d0f1ed3f048014591f841efdaedMatthew Arnold { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) }, 88af4b8514aafd53d97b05a0a30b7d4cfd2cbb7b81Mike Provencher { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) }, 898540d66615c39010168ab97eaafb476ec2851298Gianpaolo Cugola { USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) }, 90f36ecd5de93e4c85a9e3d25100c6e233155b12e5Jef Driesen { USB_DEVICE(ZEAGLE_VENDOR_ID, ZEAGLE_N2ITION3_PRODUCT_ID) }, 9149276560c9004fce24c42e3c0ad75f34d956fc63Khanh-Dang Nguyen Thu Lam { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) }, 9235904e6b5106fda51b04c8b8080c04466865415fPawel Ludwikow { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) }, 939a61d72602771906e11a5944e8571f8006387b39Manuel Jander { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) }, 94598f0b703506da841d3459dc0c48506be14d1778Eric Benoit { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { } /* Terminating entry */ 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 98372db8a780f63368c6960a167b7a19aad776d704Thiago GalesiMODULE_DEVICE_TABLE(usb, id_table); 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct usb_driver pl2303_driver = { 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "pl2303", 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = usb_serial_probe, 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .disconnect = usb_serial_disconnect, 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = id_table, 105fcf9e55e066d12c18add7c8a292bf879b45b1d55Sarah Sharp .suspend = usb_serial_suspend, 106fcf9e55e066d12c18add7c8a292bf879b45b1d55Sarah Sharp .resume = usb_serial_resume, 107fcf9e55e066d12c18add7c8a292bf879b45b1d55Sarah Sharp .supports_autosuspend = 1, 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_LINE_REQUEST_TYPE 0x21 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_LINE_REQUEST 0x20 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_CONTROL_REQUEST_TYPE 0x21 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SET_CONTROL_REQUEST 0x22 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CONTROL_DTR 0x01 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CONTROL_RTS 0x02 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BREAK_REQUEST_TYPE 0x21 1193a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox#define BREAK_REQUEST 0x23 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BREAK_ON 0xffff 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BREAK_OFF 0x0000 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GET_LINE_REQUEST_TYPE 0xa1 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define GET_LINE_REQUEST 0x21 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_WRITE_REQUEST_TYPE 0x40 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_WRITE_REQUEST 0x01 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_READ_REQUEST_TYPE 0xc0 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VENDOR_READ_REQUEST 0x01 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_STATE 0x08 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_STATE_TRANSIENT_MASK 0x74 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_DCD 0x01 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_DSR 0x02 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_BREAK_ERROR 0x04 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_RING 0x08 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_FRAME_ERROR 0x10 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_PARITY_ERROR 0x20 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_OVERRUN_ERROR 0x40 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define UART_CTS 0x80 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsenum pl2303_type { 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type_0, /* don't know the difference between type 0 and */ 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type_1, /* type 1, until someone from prolific tells us... */ 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds HX, /* HX version of the pl2303 chip */ 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct pl2303_private { 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t lock; 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t delta_msr_wait; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 line_control; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 line_status; 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum pl2303_type type; 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 158eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharpstatic int pl2303_vendor_read(__u16 value, __u16 index, 159eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp struct usb_serial *serial, unsigned char *buf) 160eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp{ 161eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp int res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 162eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp VENDOR_READ_REQUEST, VENDOR_READ_REQUEST_TYPE, 163eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp value, index, buf, 1, 100); 164eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp dbg("0x%x:0x%x:0x%x:0x%x %d - %x", VENDOR_READ_REQUEST_TYPE, 165eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp VENDOR_READ_REQUEST, value, index, res, buf[0]); 166eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp return res; 167eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp} 168eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp 169eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharpstatic int pl2303_vendor_write(__u16 value, __u16 index, 170eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp struct usb_serial *serial) 171eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp{ 172eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp int res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 173eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp VENDOR_WRITE_REQUEST, VENDOR_WRITE_REQUEST_TYPE, 174eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp value, index, NULL, 0, 100); 175eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp dbg("0x%x:0x%x:0x%x:0x%x %d", VENDOR_WRITE_REQUEST_TYPE, 176eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp VENDOR_WRITE_REQUEST, value, index, res); 177eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp return res; 178eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp} 179eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp 180372db8a780f63368c6960a167b7a19aad776d704Thiago Galesistatic int pl2303_startup(struct usb_serial *serial) 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv; 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum pl2303_type type = type_0; 1843e152505a57db6622deb1322c22551c046e33d16Sarah Sharp unsigned char *buf; 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1873e152505a57db6622deb1322c22551c046e33d16Sarah Sharp buf = kmalloc(10, GFP_KERNEL); 1883e152505a57db6622deb1322c22551c046e33d16Sarah Sharp if (buf == NULL) 1893e152505a57db6622deb1322c22551c046e33d16Sarah Sharp return -ENOMEM; 1903e152505a57db6622deb1322c22551c046e33d16Sarah Sharp 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (serial->dev->descriptor.bDeviceClass == 0x02) 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_0; 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40) 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = HX; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (serial->dev->descriptor.bDeviceClass == 0x00) 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_1; 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (serial->dev->descriptor.bDeviceClass == 0xFF) 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = type_1; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dbg("device type: %d", type); 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < serial->num_ports; ++i) { 20280b6ca48321974a6566a1c9048ba34f60420bca6Eric Sesterhenn priv = kzalloc(sizeof(struct pl2303_private), GFP_KERNEL); 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!priv) 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto cleanup; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_init(&priv->lock); 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_waitqueue_head(&priv->delta_msr_wait); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->type = type; 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds usb_set_serial_port_data(serial->port[i], priv); 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2103e152505a57db6622deb1322c22551c046e33d16Sarah Sharp 2113e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2123e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(0x0404, 0, serial); 2133e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2143e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8383, 0, serial, buf); 2153e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2163e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(0x0404, 1, serial); 2173e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8484, 0, serial, buf); 2183e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_read(0x8383, 0, serial, buf); 2193e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(0, 1, serial); 2203e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(1, 0, serial); 2213e152505a57db6622deb1322c22551c046e33d16Sarah Sharp if (type == HX) 2223e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(2, 0x44, serial); 2233e152505a57db6622deb1322c22551c046e33d16Sarah Sharp else 2243e152505a57db6622deb1322c22551c046e33d16Sarah Sharp pl2303_vendor_write(2, 0x24, serial); 2253e152505a57db6622deb1322c22551c046e33d16Sarah Sharp 2263e152505a57db6622deb1322c22551c046e33d16Sarah Sharp kfree(buf); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscleanup: 2303e152505a57db6622deb1322c22551c046e33d16Sarah Sharp kfree(buf); 2313a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox for (--i; i >= 0; --i) { 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv = usb_get_serial_port_data(serial->port[i]); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(priv); 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds usb_set_serial_port_data(serial->port[i], NULL); 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 239372db8a780f63368c6960a167b7a19aad776d704Thiago Galesistatic int set_control_lines(struct usb_device *dev, u8 value) 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 2423a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox 243372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 244372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi SET_CONTROL_REQUEST, SET_CONTROL_REQUEST_TYPE, 245372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi value, 0, NULL, 0, 100); 246441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - value = %d, retval = %d", __func__, value, retval); 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25095da310e66ee8090119596c70ca8432e57f9a97fAlan Coxstatic void pl2303_set_termios(struct tty_struct *tty, 25195da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port, struct ktermios *old_termios) 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int cflag; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *buf; 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int baud; 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 control; 26125b8286805e856c8c7fda127018e31032c918015Frank Schaefer const int baud_sup[] = { 75, 150, 300, 600, 1200, 1800, 2400, 3600, 26225b8286805e856c8c7fda127018e31032c918015Frank Schaefer 4800, 7200, 9600, 14400, 19200, 28800, 38400, 26325b8286805e856c8c7fda127018e31032c918015Frank Schaefer 57600, 115200, 230400, 460800, 614400, 26425b8286805e856c8c7fda127018e31032c918015Frank Schaefer 921600, 1228800, 2457600, 3000000, 6000000 }; 26525b8286805e856c8c7fda127018e31032c918015Frank Schaefer int baud_floor, baud_ceil; 26625b8286805e856c8c7fda127018e31032c918015Frank Schaefer int k; 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 268441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - port %d", __func__, port->number); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 270bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox /* The PL2303 is reported to lose bytes if you change 271bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox serial settings even to the same values as before. Thus 272bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox we actually need to filter in this specific case */ 273bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox 27495da310e66ee8090119596c70ca8432e57f9a97fAlan Cox if (!tty_termios_hw_change(tty->termios, old_termios)) 275bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox return; 276bf5e5834bffc62b50cd4a201804506eb11ef1af8Alan Cox 27795da310e66ee8090119596c70ca8432e57f9a97fAlan Cox cflag = tty->termios->c_cflag; 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 279372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi buf = kzalloc(7, GFP_KERNEL); 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!buf) { 281441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dev_err(&port->dev, "%s - out of memory.\n", __func__); 282a5b6f60c5a30c494017c7a2d11c4067f90d3d0dfAlan Cox /* Report back no change occurred */ 28395da310e66ee8090119596c70ca8432e57f9a97fAlan Cox *tty->termios = *old_termios; 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 287372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 288372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE, 289372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 290372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi dbg("0xa1:0x21:0:0 %d - %x %x %x %x %x %x %x", i, 291372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & CSIZE) { 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cflag & CSIZE) { 2953a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS5: 2963a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 5; 2973a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 2983a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS6: 2993a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 6; 3003a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3013a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS7: 3023a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 7; 3033a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3043a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox default: 3053a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case CS8: 3063a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox buf[6] = 8; 3073a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 309441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - data bits = %d", __func__, buf[6]); 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 31225b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* For reference buf[0]:buf[3] baud rate value */ 31325b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* NOTE: Only the values defined in baud_sup are supported ! 31425b8286805e856c8c7fda127018e31032c918015Frank Schaefer * => if unsupported values are set, the PL2303 seems to use 31525b8286805e856c8c7fda127018e31032c918015Frank Schaefer * 9600 baud (at least my PL2303X always does) 31625b8286805e856c8c7fda127018e31032c918015Frank Schaefer */ 31795da310e66ee8090119596c70ca8432e57f9a97fAlan Cox baud = tty_get_baud_rate(tty); 31825b8286805e856c8c7fda127018e31032c918015Frank Schaefer dbg("%s - baud requested = %d", __func__, baud); 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (baud) { 32025b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* Set baudrate to nearest supported value */ 32125b8286805e856c8c7fda127018e31032c918015Frank Schaefer for (k=0; k<ARRAY_SIZE(baud_sup); k++) { 32225b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (baud_sup[k] / baud) { 32325b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud_ceil = baud_sup[k]; 32425b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (k==0) { 32525b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = baud_ceil; 32625b8286805e856c8c7fda127018e31032c918015Frank Schaefer } else { 32725b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud_floor = baud_sup[k-1]; 32825b8286805e856c8c7fda127018e31032c918015Frank Schaefer if ((baud_ceil % baud) 32925b8286805e856c8c7fda127018e31032c918015Frank Schaefer > (baud % baud_floor)) 33025b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = baud_floor; 33125b8286805e856c8c7fda127018e31032c918015Frank Schaefer else 33225b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = baud_ceil; 33325b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 33425b8286805e856c8c7fda127018e31032c918015Frank Schaefer break; 33525b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 33625b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 33725b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (baud > 1228800) { 33825b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* type_0, type_1 only support up to 1228800 baud */ 33925b8286805e856c8c7fda127018e31032c918015Frank Schaefer if (priv->type != HX) 34025b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = 1228800; 34125b8286805e856c8c7fda127018e31032c918015Frank Schaefer else if (baud > 6000000) 34225b8286805e856c8c7fda127018e31032c918015Frank Schaefer baud = 6000000; 34325b8286805e856c8c7fda127018e31032c918015Frank Schaefer } 34425b8286805e856c8c7fda127018e31032c918015Frank Schaefer dbg("%s - baud set = %d", __func__, baud); 3458d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński if (baud <= 115200) { 3468d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[0] = baud & 0xff; 3478d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[1] = (baud >> 8) & 0xff; 3488d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[2] = (baud >> 16) & 0xff; 3498d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[3] = (baud >> 24) & 0xff; 3508d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński } else { 3518d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński /* apparently the formula for higher speeds is: 3528d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński * baudrate = 12M * 32 / (2^buf[1]) / buf[0] 3538d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński */ 3548d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński unsigned tmp = 12*1000*1000*32 / baud; 3558d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[3] = 0x80; 3568d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[2] = 0; 3578d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[1] = (tmp >= 256); 3588d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński while (tmp >= 256) { 3598d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński tmp >>= 2; 3608d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[1] <<= 1; 3618d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński } 3628d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński buf[0] = tmp; 3638d48fdf689fed2c73c493e5146d1463689246442Michał Sroczyński } 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=0 is 1 stop bits */ 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=1 is 1.5 stop bits */ 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[4]=2 is 2 stop bits */ 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & CSTOPB) { 37029cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer /* NOTE: Comply with "real" UARTs / RS232: 37129cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer * use 1.5 instead of 2 stop bits with 5 data bits 37229cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer */ 37329cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer if ((cflag & CSIZE) == CS5) { 37429cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer buf[4] = 1; 37529cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer dbg("%s - stop bits = 1.5", __func__); 37629cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer } else { 37729cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer buf[4] = 2; 37829cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer dbg("%s - stop bits = 2", __func__); 37929cf1b72f34519413b3fafbccc9ac776eb948edeFrank Schaefer } 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[4] = 0; 382441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - stop bits = 1", __func__); 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & PARENB) { 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=0 is none parity */ 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=1 is odd parity */ 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=2 is even parity */ 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=3 is mark parity */ 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For reference buf[5]=4 is space parity */ 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & PARODD) { 3926dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer if (cflag & CMSPAR) { 3936dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 3; 3946dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer dbg("%s - parity = mark", __func__); 3956dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } else { 3966dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 1; 3976dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer dbg("%s - parity = odd", __func__); 3986dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4006dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer if (cflag & CMSPAR) { 4016dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 4; 4026dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer dbg("%s - parity = space", __func__); 4036dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } else { 4046dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer buf[5] = 2; 4056dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer dbg("%s - parity = even", __func__); 4066dd81b45fd7628f3eb308f387aee696366718f25Frank Schaefer } 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[5] = 0; 410441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - parity = none", __func__); 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 413372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 414372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi SET_LINE_REQUEST, SET_LINE_REQUEST_TYPE, 415372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 416372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi dbg("0x21:0x20:0:0 %d", i); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* change control lines if we are switching to or from B0 */ 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&priv->lock, flags); 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((cflag & CBAUD) == B0) 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); 423ce5c9851855bab190c9a142761d54ba583ab094cJohan Hovold else if ((old_termios->c_cflag & CBAUD) == B0) 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= (CONTROL_DTR | CONTROL_RTS); 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (control != priv->line_control) { 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&priv->lock, flags); 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_control_lines(serial->dev, control); 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&priv->lock, flags); 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 432372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[0] = buf[1] = buf[2] = buf[3] = buf[4] = buf[5] = buf[6] = 0; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 435372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 436372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE, 437372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, 0, buf, 7, 100); 438372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi dbg("0xa1:0x21:0:0 %d - %x %x %x %x %x %x %x", i, 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cflag & CRTSCTS) { 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->type == HX) 443eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x61, serial); 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 445eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x41, serial); 446715f9527c1c1edd1a9c7a55ab4535211279c9374t.sefzick } else { 447eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(0x0, 0x0, serial); 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 449572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi 45025b8286805e856c8c7fda127018e31032c918015Frank Schaefer /* Save resulting baud rate */ 451df64c47184aedf34fd2a69a4b7f68584fe982fdfAlan Cox if (baud) 45295da310e66ee8090119596c70ca8432e57f9a97fAlan Cox tty_encode_baud_rate(tty, baud, baud); 453df64c47184aedf34fd2a69a4b7f68584fe982fdfAlan Cox 454572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi kfree(buf); 455572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi} 456572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi 457335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic void pl2303_dtr_rts(struct usb_serial_port *port, int on) 458335f8514f200e63d689113d29cb7253a5c282967Alan Cox{ 459335f8514f200e63d689113d29cb7253a5c282967Alan Cox struct pl2303_private *priv = usb_get_serial_port_data(port); 460335f8514f200e63d689113d29cb7253a5c282967Alan Cox unsigned long flags; 461335f8514f200e63d689113d29cb7253a5c282967Alan Cox u8 control; 462335f8514f200e63d689113d29cb7253a5c282967Alan Cox 463335f8514f200e63d689113d29cb7253a5c282967Alan Cox spin_lock_irqsave(&priv->lock, flags); 464335f8514f200e63d689113d29cb7253a5c282967Alan Cox /* Change DTR and RTS */ 465335f8514f200e63d689113d29cb7253a5c282967Alan Cox if (on) 466335f8514f200e63d689113d29cb7253a5c282967Alan Cox priv->line_control |= (CONTROL_DTR | CONTROL_RTS); 467335f8514f200e63d689113d29cb7253a5c282967Alan Cox else 468335f8514f200e63d689113d29cb7253a5c282967Alan Cox priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); 469335f8514f200e63d689113d29cb7253a5c282967Alan Cox control = priv->line_control; 470335f8514f200e63d689113d29cb7253a5c282967Alan Cox spin_unlock_irqrestore(&priv->lock, flags); 471335f8514f200e63d689113d29cb7253a5c282967Alan Cox set_control_lines(port->serial->dev, control); 472335f8514f200e63d689113d29cb7253a5c282967Alan Cox} 473335f8514f200e63d689113d29cb7253a5c282967Alan Cox 474335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic void pl2303_close(struct usb_serial_port *port) 475572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi{ 476441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - port %d", __func__, port->number); 477572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi 4788b0127b2082601e40295045414a8318f2c8ee5a0Johan Hovold usb_serial_generic_close(port); 479572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi usb_kill_urb(port->interrupt_in_urb); 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 482a509a7e478e4766114d69f12d19d644ac63e9765Alan Coxstatic int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port) 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 484606d099cdd1080bbb50ea50dc52d98252f8f10a1Alan Cox struct ktermios tmp_termios; 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 489441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - port %d", __func__, port->number); 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4911694899fd1af43636351aac97f415fd3c9cefb1dDariusz M if (priv->type != HX) { 4921694899fd1af43636351aac97f415fd3c9cefb1dDariusz M usb_clear_halt(serial->dev, port->write_urb->pipe); 4931694899fd1af43636351aac97f415fd3c9cefb1dDariusz M usb_clear_halt(serial->dev, port->read_urb->pipe); 4943e152505a57db6622deb1322c22551c046e33d16Sarah Sharp } else { 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset upstream data pipes */ 496eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(8, 0, serial); 497eb44da0b3aa0105cb38d81c5747a8feae64834beSarah Sharp pl2303_vendor_write(9, 0, serial); 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Setup termios */ 50195da310e66ee8090119596c70ca8432e57f9a97fAlan Cox if (tty) 50295da310e66ee8090119596c70ca8432e57f9a97fAlan Cox pl2303_set_termios(tty, port, &tmp_termios); 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 504441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - submitting interrupt urb", __func__); 505372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) { 507372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi dev_err(&port->dev, "%s - failed submitting interrupt urb," 508441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison " error %d\n", __func__, result); 509db6e9186c90188edea20aaa5161ea073440cc2a1Johan Hovold return result; 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 511d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold 512f5230a53c1d551811b077ccad219105786da1becJohan Hovold result = usb_serial_generic_open(tty, port); 513d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold if (result) { 514d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold usb_kill_urb(port->interrupt_in_urb); 515d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold return result; 516d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold } 517d4691c3fa3d371835b1eacb39066ab113c4b9d8cJohan Hovold 518335f8514f200e63d689113d29cb7253a5c282967Alan Cox port->port.drain_delay = 256; 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 52220b9d17715017ae4dd4ec87fabc36d33b9de708eAlan Coxstatic int pl2303_tiocmset(struct tty_struct *tty, 523372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi unsigned int set, unsigned int clear) 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 52595da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 control; 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5306fdd8e8e33730a2abc886113bd0b6c4343f63cc9Flavio Leitner if (!usb_get_intfdata(port->serial->interface)) 5316fdd8e8e33730a2abc886113bd0b6c4343f63cc9Flavio Leitner return -ENODEV; 5326fdd8e8e33730a2abc886113bd0b6c4343f63cc9Flavio Leitner 533372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_RTS) 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= CONTROL_RTS; 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set & TIOCM_DTR) 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control |= CONTROL_DTR; 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_RTS) 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~CONTROL_RTS; 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clear & TIOCM_DTR) 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->line_control &= ~CONTROL_DTR; 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control = priv->line_control; 543372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 545372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi return set_control_lines(port->serial->dev, control); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 54860b33c133ca0b7c0b6072c87234b63fee6e80558Alan Coxstatic int pl2303_tiocmget(struct tty_struct *tty) 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 55095da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int mcr; 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int status; 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int result; 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 557441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s (%d)", __func__, port->number); 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5596fdd8e8e33730a2abc886113bd0b6c4343f63cc9Flavio Leitner if (!usb_get_intfdata(port->serial->interface)) 5606fdd8e8e33730a2abc886113bd0b6c4343f63cc9Flavio Leitner return -ENODEV; 5616fdd8e8e33730a2abc886113bd0b6c4343f63cc9Flavio Leitner 562372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mcr = priv->line_control; 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = priv->line_status; 565372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = ((mcr & CONTROL_DTR) ? TIOCM_DTR : 0) 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((mcr & CONTROL_RTS) ? TIOCM_RTS : 0) 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_CTS) ? TIOCM_CTS : 0) 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_DSR) ? TIOCM_DSR : 0) 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_RING) ? TIOCM_RI : 0) 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | ((status & UART_DCD) ? TIOCM_CD : 0); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 574441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - result = %x", __func__, result); 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 579335f8514f200e63d689113d29cb7253a5c282967Alan Coxstatic int pl2303_carrier_raised(struct usb_serial_port *port) 580335f8514f200e63d689113d29cb7253a5c282967Alan Cox{ 581335f8514f200e63d689113d29cb7253a5c282967Alan Cox struct pl2303_private *priv = usb_get_serial_port_data(port); 582335f8514f200e63d689113d29cb7253a5c282967Alan Cox if (priv->line_status & UART_DCD) 583335f8514f200e63d689113d29cb7253a5c282967Alan Cox return 1; 584335f8514f200e63d689113d29cb7253a5c282967Alan Cox return 0; 585335f8514f200e63d689113d29cb7253a5c282967Alan Cox} 586335f8514f200e63d689113d29cb7253a5c282967Alan Cox 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int wait_modem_info(struct usb_serial_port *port, unsigned int arg) 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv = usb_get_serial_port_data(port); 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int prevstatus; 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int status; 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int changed; 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 595372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prevstatus = priv->line_status; 597372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (1) { 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds interruptible_sleep_on(&priv->delta_msr_wait); 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* see if a signal did it */ 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (signal_pending(current)) 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ERESTARTSYS; 604372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 605372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_lock_irqsave(&priv->lock, flags); 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = priv->line_status; 607372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi spin_unlock_irqrestore(&priv->lock, flags); 608372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 6093a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox changed = prevstatus ^ status; 610372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (((arg & TIOCM_RNG) && (changed & UART_RING)) || 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((arg & TIOCM_DSR) && (changed & UART_DSR)) || 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((arg & TIOCM_CD) && (changed & UART_DCD)) || 6143a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox ((arg & TIOCM_CTS) && (changed & UART_CTS))) { 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prevstatus = status; 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* NOTREACHED */ 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 62300a0d0d65b61241a718d0aee96f46b9a2d93bf26Alan Coxstatic int pl2303_ioctl(struct tty_struct *tty, 624372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi unsigned int cmd, unsigned long arg) 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 62667b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas struct serial_struct ser; 62795da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 628441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s (%d) cmd = 0x%04x", __func__, port->number, cmd); 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cmd) { 63167b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas case TIOCGSERIAL: 63267b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas memset(&ser, 0, sizeof ser); 63367b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.type = PORT_16654; 63467b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.line = port->serial->minor; 63567b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.port = port->number; 63667b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas ser.baud_base = 460800; 63767b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 63867b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas if (copy_to_user((void __user *)arg, &ser, sizeof ser)) 63967b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas return -EFAULT; 64067b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 64167b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas return 0; 64267b9946dd07eeef8188e4cab816d2c370bcaa7b2John Tsiombikas 6433a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox case TIOCMIWAIT: 6443a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox dbg("%s (%d) TIOCMIWAIT", __func__, port->number); 6453a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox return wait_modem_info(port, arg); 6463a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox default: 6473a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox dbg("%s not supported = 0x%04x", __func__, cmd); 6483a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox break; 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOIOCTLCMD; 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 65395da310e66ee8090119596c70ca8432e57f9a97fAlan Coxstatic void pl2303_break_ctl(struct tty_struct *tty, int break_state) 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 65595da310e66ee8090119596c70ca8432e57f9a97fAlan Cox struct usb_serial_port *port = tty->driver_data; 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct usb_serial *serial = port->serial; 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 state; 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 660441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - port %d", __func__, port->number); 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (break_state == 0) 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state = BREAK_OFF; 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state = BREAK_ON; 6663a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox dbg("%s - turning break %s", __func__, 6673a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox state == BREAK_OFF ? "off" : "on"); 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 669372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 670372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi BREAK_REQUEST, BREAK_REQUEST_TYPE, state, 671372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 0, NULL, 0, 100); 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) 673441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - error sending break = %d", __func__, result); 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 676f9c99bb8b3a1ec81af68d484a551307326c2e933Alan Sternstatic void pl2303_release(struct usb_serial *serial) 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pl2303_private *priv; 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 681441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s", __func__); 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < serial->num_ports; ++i) { 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv = usb_get_serial_port_data(serial->port[i]); 685684c6e30d389f67ef727c8f5a7b23a09b4cb02e4Johan Hovold kfree(priv); 686372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi } 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 68997bb13ec5bc156352cca8af90080597e04299a73Flavio Leitnerstatic void pl2303_update_line_status(struct usb_serial_port *port, 69097bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned char *data, 69197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned int actual_length) 69297bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner{ 69397bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 69497bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner struct pl2303_private *priv = usb_get_serial_port_data(port); 695d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek struct tty_struct *tty; 69697bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned long flags; 69797bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner u8 status_idx = UART_STATE; 69895f209f93663103db2a8fb989e226ac68a98b036Horst Schirmeier u8 length = UART_STATE + 1; 699d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek u8 prev_line_status; 7009c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi u16 idv, idp; 70197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 7029c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idv = le16_to_cpu(port->serial->dev->descriptor.idVendor); 7039c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp = le16_to_cpu(port->serial->dev->descriptor.idProduct); 7049c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 7059c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 7069c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi if (idv == SIEMENS_VENDOR_ID) { 7079c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi if (idp == SIEMENS_PRODUCT_ID_X65 || 7089c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp == SIEMENS_PRODUCT_ID_SX1 || 7099c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi idp == SIEMENS_PRODUCT_ID_X75) { 7109c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi 7119c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi length = 1; 7129c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi status_idx = 0; 7139c53761681497d598a31ed2f6b29b5b3480c49dbThiago Galesi } 71497bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner } 71597bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 71697bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner if (actual_length < length) 717a009b75aa0ed55f0bc473c8a3b3e872cbca807ecLuiz Fernando N. Capitulino return; 71897bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner 7193a0f43e9deffd9619ac34e3b6b9ba7089aa1e511Alan Cox /* Save off the uart status for others to look at */ 72097bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner spin_lock_irqsave(&priv->lock, flags); 721d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek prev_line_status = priv->line_status; 72297bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner priv->line_status = data[status_idx]; 72397bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner spin_unlock_irqrestore(&priv->lock, flags); 724430eb0d27c1b36c5191c16b2472b26137673a8d4Jason Wessel if (priv->line_status & UART_BREAK_ERROR) 725430eb0d27c1b36c5191c16b2472b26137673a8d4Jason Wessel usb_serial_handle_break(port); 726372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi wake_up_interruptible(&priv->delta_msr_wait); 727d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek 728d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek tty = tty_port_tty_get(&port->port); 729d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek if (!tty) 730d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek return; 731d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek if ((priv->line_status ^ prev_line_status) & UART_DCD) 732d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek usb_serial_handle_dcd_change(port, tty, 733d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek priv->line_status & UART_DCD); 734d14fc1a74e846d7851f24fc9519fe87dc12a1231Libor Pechacek tty_kref_put(tty); 73597bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner} 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7377d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic void pl2303_read_int_callback(struct urb *urb) 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 739cdc97792289179974af6dda781c855696358d307Ming Lei struct usb_serial_port *port = urb->context; 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *data = urb->transfer_buffer; 74197bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner unsigned int actual_length = urb->actual_length; 742461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman int status = urb->status; 743461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman int retval; 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 745441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s (%d)", __func__, port->number); 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 747461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman switch (status) { 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* success */ 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ECONNRESET: 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ENOENT: 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case -ESHUTDOWN: 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* this urb is terminated, clean up */ 755441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - urb shutting down with status: %d", __func__, 756461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman status); 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 759441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison dbg("%s - nonzero urb status received: %d", __func__, 760461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman status); 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit; 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 764441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison usb_serial_debug_data(debug, &port->dev, __func__, 765372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi urb->actual_length, urb->transfer_buffer); 766372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi 76797bb13ec5bc156352cca8af90080597e04299a73Flavio Leitner pl2303_update_line_status(port, data, actual_length); 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit: 770461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman retval = usb_submit_urb(urb, GFP_ATOMIC); 771461d696aeeae294ad22dfcaae462d1757f955778Greg Kroah-Hartman if (retval) 772372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi dev_err(&urb->dev->dev, 773372db8a780f63368c6960a167b7a19aad776d704Thiago Galesi "%s - usb_submit_urb failed with result %d\n", 774441b62c1edb986827154768d89bbac0ba779984fHarvey Harrison __func__, retval); 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 777f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovoldstatic void pl2303_process_read_urb(struct urb *urb) 778d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox{ 779f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct usb_serial_port *port = urb->context; 780f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct pl2303_private *priv = usb_get_serial_port_data(port); 781f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold struct tty_struct *tty; 782d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox unsigned char *data = urb->transfer_buffer; 783d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox char tty_flag = TTY_NORMAL; 784f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold unsigned long flags; 785f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold u8 line_status; 786f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold int i; 787f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 788f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold /* update line status */ 789f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold spin_lock_irqsave(&priv->lock, flags); 790f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold line_status = priv->line_status; 791f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold priv->line_status &= ~UART_STATE_TRANSIENT_MASK; 792f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold spin_unlock_irqrestore(&priv->lock, flags); 793f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold wake_up_interruptible(&priv->delta_msr_wait); 794f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 795f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold if (!urb->actual_length) 796f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold return; 797f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 798f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold tty = tty_port_tty_get(&port->port); 799f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold if (!tty) 800f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold return; 801f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold 802d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* break takes precedence over parity, */ 803d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* which takes precedence over framing errors */ 804d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox if (line_status & UART_BREAK_ERROR) 805d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_BREAK; 806d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox else if (line_status & UART_PARITY_ERROR) 807d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_PARITY; 808d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox else if (line_status & UART_FRAME_ERROR) 809d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_flag = TTY_FRAME; 810d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox dbg("%s - tty_flag = %d", __func__, tty_flag); 811d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox 812d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox /* overrun is special, not associated with a char */ 813d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox if (line_status & UART_OVERRUN_ERROR) 814d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_insert_flip_char(tty, 0, TTY_OVERRUN); 8159388e2e71a51fab0aa2309bbb45e8a23d89a95a9Johan Hovold 816d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold if (port->port.console && port->sysrq) { 817d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox for (i = 0; i < urb->actual_length; ++i) 8186ee9f4b4affe751d313d2538999aeec134d413a6Dmitry Torokhov if (!usb_serial_handle_sysrq_char(port, data[i])) 819d4fc4a7bfc2dee626f4fec1e209e58eaa4312de6Alan Cox tty_insert_flip_char(tty, data[i], tty_flag); 820d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold } else { 821d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold tty_insert_flip_string_fixed_flag(tty, data, tty_flag, 822d45cc8df7f59eb4db28408076ce979cd5e18f2b7Johan Hovold urb->actual_length); 8239388e2e71a51fab0aa2309bbb45e8a23d89a95a9Johan Hovold } 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 825f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold tty_flip_buffer_push(tty); 8264a90f09b20f4622dcbff1f0e1e6bae1704f8ad8cAlan Cox tty_kref_put(tty); 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 829572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi/* All of the device info needed for the PL2303 SIO serial converter */ 830572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesistatic struct usb_serial_driver pl2303_device = { 831572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .driver = { 832572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .owner = THIS_MODULE, 833572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .name = "pl2303", 834572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi }, 835572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .id_table = id_table, 836572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .num_ports = 1, 8377919c2fd9e07276403b9a4d9ae52305e0d70f923Johan Hovold .bulk_in_size = 256, 8383efeaff6298290b36499532f0b4c87aa4bae8aefJohan Hovold .bulk_out_size = 256, 839572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .open = pl2303_open, 840572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .close = pl2303_close, 841335f8514f200e63d689113d29cb7253a5c282967Alan Cox .dtr_rts = pl2303_dtr_rts, 842335f8514f200e63d689113d29cb7253a5c282967Alan Cox .carrier_raised = pl2303_carrier_raised, 843572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .ioctl = pl2303_ioctl, 844572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .break_ctl = pl2303_break_ctl, 845572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .set_termios = pl2303_set_termios, 846572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .tiocmget = pl2303_tiocmget, 847572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .tiocmset = pl2303_tiocmset, 848f08e07ac8b87b1a4b8ff88a061195e99282dfbbdJohan Hovold .process_read_urb = pl2303_process_read_urb, 849572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .read_int_callback = pl2303_read_int_callback, 850572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi .attach = pl2303_startup, 851f9c99bb8b3a1ec81af68d484a551307326c2e933Alan Stern .release = pl2303_release, 852572d3138eb0cf17a2bf36944cc1d2c753578862eThiago Galesi}; 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 854f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Sternstatic struct usb_serial_driver * const serial_drivers[] = { 855f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern &pl2303_device, NULL 856f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern}; 857f667ddad41e303ebc2c6d5bf3105dffe2fbdd717Alan Stern 858d1cddb4a8e9b09c33158acae05c48069d74fa4d0Greg KHmodule_usb_serial_driver(pl2303_driver, serial_drivers); 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION(DRIVER_DESC); 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(debug, bool, S_IRUGO | S_IWUSR); 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_PARM_DESC(debug, "Debug enabled or not"); 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 866