1 /* 2 * USB Compaq iPAQ driver 3 * 4 * Copyright (C) 2001 - 2002 5 * Ganesh Varadarajan <ganesh@veritas.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 */ 13 14 #ifndef __LINUX_USB_SERIAL_IPAQ_H 15 #define __LINUX_USB_SERIAL_IPAQ_H 16 17 #define ASKEY_VENDOR_ID 0x1690 18 #define ASKEY_PRODUCT_ID 0x0601 19 20 #define BCOM_VENDOR_ID 0x0960 21 #define BCOM_0065_ID 0x0065 22 #define BCOM_0066_ID 0x0066 23 #define BCOM_0067_ID 0x0067 24 25 #define CASIO_VENDOR_ID 0x07cf 26 #define CASIO_2001_ID 0x2001 27 #define CASIO_EM500_ID 0x2002 28 29 #define COMPAQ_VENDOR_ID 0x049f 30 #define COMPAQ_IPAQ_ID 0x0003 31 #define COMPAQ_0032_ID 0x0032 32 33 #define DELL_VENDOR_ID 0x413c 34 #define DELL_AXIM_ID 0x4001 35 36 #define FSC_VENDOR_ID 0x0bf8 37 #define FSC_LOOX_ID 0x1001 38 39 #define HP_VENDOR_ID 0x03f0 40 #define HP_JORNADA_548_ID 0x1016 41 #define HP_JORNADA_568_ID 0x1116 42 #define HP_2016_ID 0x2016 43 #define HP_2116_ID 0x2116 44 #define HP_2216_ID 0x2216 45 #define HP_3016_ID 0x3016 46 #define HP_3116_ID 0x3116 47 #define HP_3216_ID 0x3216 48 #define HP_4016_ID 0x4016 49 #define HP_4116_ID 0x4116 50 #define HP_4216_ID 0x4216 51 #define HP_5016_ID 0x5016 52 #define HP_5116_ID 0x5116 53 #define HP_5216_ID 0x5216 54 55 #define LINKUP_VENDOR_ID 0x094b 56 #define LINKUP_PRODUCT_ID 0x0001 57 58 #define MICROSOFT_VENDOR_ID 0x045e 59 #define MICROSOFT_00CE_ID 0x00ce 60 61 #define PORTATEC_VENDOR_ID 0x0961 62 #define PORTATEC_PRODUCT_ID 0x0010 63 64 #define ROVER_VENDOR_ID 0x047b 65 #define ROVER_P5_ID 0x3000 66 67 #define SAGEM_VENDOR_ID 0x5e04 68 #define SAGEM_WIRELESS_ID 0xce00 69 70 #define SOCKET_VENDOR_ID 0x0104 71 #define SOCKET_PRODUCT_ID 0x00be 72 73 #define TOSHIBA_VENDOR_ID 0x0930 74 #define TOSHIBA_PRODUCT_ID 0x0700 75 #define TOSHIBA_E310_ID 0x0705 76 #define TOSHIBA_E740_ID 0x0706 77 #define TOSHIBA_E335_ID 0x0707 78 79 #define HTC_VENDOR_ID 0x0bb4 80 #define HTC_PRODUCT_ID 0x00ce 81 82 #define NEC_VENDOR_ID 0x0409 83 #define NEC_PRODUCT_ID 0x00d5 84 85 #define ASUS_VENDOR_ID 0x0b05 86 #define ASUS_A600_PRODUCT_ID 0x4201 87 88 /* 89 * Since we can't queue our bulk write urbs (don't know why - it just 90 * doesn't work), we can send down only one write urb at a time. The simplistic 91 * approach taken by the generic usbserial driver will work, but it's not good 92 * for performance. Therefore, we buffer upto URBDATA_QUEUE_MAX bytes of write 93 * requests coming from the line discipline. This is done by chaining them 94 * in lists of struct ipaq_packet, each packet holding a maximum of 95 * PACKET_SIZE bytes. 96 * 97 * ipaq_write() can be called from bottom half context; hence we can't 98 * allocate memory for packets there. So we initialize a pool of packets at 99 * the first open and maintain a freelist. 100 * 101 * The value of PACKET_SIZE was empirically determined by 102 * checking the maximum write sizes sent down by the ppp ldisc. 103 * URBDATA_QUEUE_MAX is set to 64K, which is the maximum TCP window size. 104 */ 105 106 struct ipaq_packet { 107 char *data; 108 size_t len; 109 size_t written; 110 struct list_head list; 111 }; 112 113 struct ipaq_private { 114 int active; 115 int queue_len; 116 int free_len; 117 struct list_head queue; 118 struct list_head freelist; 119 }; 120 121 #define URBDATA_SIZE 4096 122 #define URBDATA_QUEUE_MAX (64 * 1024) 123 #define PACKET_SIZE 256 124 125 #endif 126