1ba0acb5eSDmitry Torokhov /* 2ba0acb5eSDmitry Torokhov * drivers/usb/input/yealink.c 3ba0acb5eSDmitry Torokhov * 4ba0acb5eSDmitry Torokhov * Copyright (c) 2005 Henk Vergonet <Henk.Vergonet@gmail.com> 5ba0acb5eSDmitry Torokhov * 6ba0acb5eSDmitry Torokhov * This program is free software; you can redistribute it and/or 7ba0acb5eSDmitry Torokhov * modify it under the terms of the GNU General Public License as 8ba0acb5eSDmitry Torokhov * published by the Free Software Foundation; either version 2 of 9ba0acb5eSDmitry Torokhov * the License, or (at your option) any later version. 10ba0acb5eSDmitry Torokhov * 11ba0acb5eSDmitry Torokhov * This program is distributed in the hope that it will be useful, 12ba0acb5eSDmitry Torokhov * but WITHOUT ANY WARRANTY; without even the implied warranty of 13ba0acb5eSDmitry Torokhov * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14ba0acb5eSDmitry Torokhov * GNU General Public License for more details. 15ba0acb5eSDmitry Torokhov * 16ba0acb5eSDmitry Torokhov * You should have received a copy of the GNU General Public License 17ba0acb5eSDmitry Torokhov * along with this program; if not, write to the Free Software 18ba0acb5eSDmitry Torokhov * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19ba0acb5eSDmitry Torokhov */ 20ba0acb5eSDmitry Torokhov /* 21ba0acb5eSDmitry Torokhov * Description: 22ba0acb5eSDmitry Torokhov * Driver for the USB-P1K voip usb phone. 23ba0acb5eSDmitry Torokhov * This device is produced by Yealink Network Technology Co Ltd 24ba0acb5eSDmitry Torokhov * but may be branded under several names: 25ba0acb5eSDmitry Torokhov * - Yealink usb-p1k 26ba0acb5eSDmitry Torokhov * - Tiptel 115 27ba0acb5eSDmitry Torokhov * - ... 28ba0acb5eSDmitry Torokhov * 29ba0acb5eSDmitry Torokhov * This driver is based on: 30ba0acb5eSDmitry Torokhov * - the usbb2k-api http://savannah.nongnu.org/projects/usbb2k-api/ 31ba0acb5eSDmitry Torokhov * - information from http://memeteau.free.fr/usbb2k 32ba0acb5eSDmitry Torokhov * - the xpad-driver drivers/input/joystick/xpad.c 33ba0acb5eSDmitry Torokhov * 34ba0acb5eSDmitry Torokhov * Thanks to: 35ba0acb5eSDmitry Torokhov * - Olivier Vandorpe, for providing the usbb2k-api. 36ba0acb5eSDmitry Torokhov * - Martin Diehl, for spotting my memory allocation bug. 37ba0acb5eSDmitry Torokhov * 38ba0acb5eSDmitry Torokhov * History: 39ba0acb5eSDmitry Torokhov * 20050527 henk First version, functional keyboard. Keyboard events 40ba0acb5eSDmitry Torokhov * will pop-up on the ../input/eventX bus. 41ba0acb5eSDmitry Torokhov * 20050531 henk Added led, LCD, dialtone and sysfs interface. 42ba0acb5eSDmitry Torokhov * 20050610 henk Cleanups, make it ready for public consumption. 43ba0acb5eSDmitry Torokhov * 20050630 henk Cleanups, fixes in response to comments. 44ba0acb5eSDmitry Torokhov * 20050701 henk sysfs write serialisation, fix potential unload races 45ba0acb5eSDmitry Torokhov * 20050801 henk Added ringtone, restructure USB 46ba0acb5eSDmitry Torokhov * 20050816 henk Merge 2.6.13-rc6 47ba0acb5eSDmitry Torokhov */ 48ba0acb5eSDmitry Torokhov 49ba0acb5eSDmitry Torokhov #include <linux/kernel.h> 50ba0acb5eSDmitry Torokhov #include <linux/slab.h> 51ba0acb5eSDmitry Torokhov #include <linux/module.h> 52ba0acb5eSDmitry Torokhov #include <linux/rwsem.h> 53ba0acb5eSDmitry Torokhov #include <linux/usb/input.h> 54f9da8d15SAtsushi Nemoto #include <linux/map_to_7segment.h> 55ba0acb5eSDmitry Torokhov 56ba0acb5eSDmitry Torokhov #include "yealink.h" 57ba0acb5eSDmitry Torokhov 58ba0acb5eSDmitry Torokhov #define DRIVER_VERSION "yld-20051230" 59ba0acb5eSDmitry Torokhov 60ba0acb5eSDmitry Torokhov #define YEALINK_POLLING_FREQUENCY 10 /* in [Hz] */ 61ba0acb5eSDmitry Torokhov 62ba0acb5eSDmitry Torokhov struct yld_status { 63ba0acb5eSDmitry Torokhov u8 lcd[24]; 64ba0acb5eSDmitry Torokhov u8 led; 65ba0acb5eSDmitry Torokhov u8 dialtone; 66ba0acb5eSDmitry Torokhov u8 ringtone; 67ba0acb5eSDmitry Torokhov u8 keynum; 68ba0acb5eSDmitry Torokhov } __attribute__ ((packed)); 69ba0acb5eSDmitry Torokhov 70ba0acb5eSDmitry Torokhov /* 71ba0acb5eSDmitry Torokhov * Register the LCD segment and icon map 72ba0acb5eSDmitry Torokhov */ 73ba0acb5eSDmitry Torokhov #define _LOC(k,l) { .a = (k), .m = (l) } 74ba0acb5eSDmitry Torokhov #define _SEG(t, a, am, b, bm, c, cm, d, dm, e, em, f, fm, g, gm) \ 75ba0acb5eSDmitry Torokhov { .type = (t), \ 76ba0acb5eSDmitry Torokhov .u = { .s = { _LOC(a, am), _LOC(b, bm), _LOC(c, cm), \ 77ba0acb5eSDmitry Torokhov _LOC(d, dm), _LOC(e, em), _LOC(g, gm), \ 78ba0acb5eSDmitry Torokhov _LOC(f, fm) } } } 79ba0acb5eSDmitry Torokhov #define _PIC(t, h, hm, n) \ 80ba0acb5eSDmitry Torokhov { .type = (t), \ 81ba0acb5eSDmitry Torokhov .u = { .p = { .name = (n), .a = (h), .m = (hm) } } } 82ba0acb5eSDmitry Torokhov 83ba0acb5eSDmitry Torokhov static const struct lcd_segment_map { 84ba0acb5eSDmitry Torokhov char type; 85ba0acb5eSDmitry Torokhov union { 86ba0acb5eSDmitry Torokhov struct pictogram_map { 87ba0acb5eSDmitry Torokhov u8 a,m; 88ba0acb5eSDmitry Torokhov char name[10]; 89ba0acb5eSDmitry Torokhov } p; 90ba0acb5eSDmitry Torokhov struct segment_map { 91ba0acb5eSDmitry Torokhov u8 a,m; 92ba0acb5eSDmitry Torokhov } s[7]; 93ba0acb5eSDmitry Torokhov } u; 94ba0acb5eSDmitry Torokhov } lcdMap[] = { 95ba0acb5eSDmitry Torokhov #include "yealink.h" 96ba0acb5eSDmitry Torokhov }; 97ba0acb5eSDmitry Torokhov 98ba0acb5eSDmitry Torokhov struct yealink_dev { 99ba0acb5eSDmitry Torokhov struct input_dev *idev; /* input device */ 100ba0acb5eSDmitry Torokhov struct usb_device *udev; /* usb device */ 10173e66ceaSGreg Kroah-Hartman struct usb_interface *intf; /* usb interface */ 102ba0acb5eSDmitry Torokhov 103ba0acb5eSDmitry Torokhov /* irq input channel */ 104ba0acb5eSDmitry Torokhov struct yld_ctl_packet *irq_data; 105ba0acb5eSDmitry Torokhov dma_addr_t irq_dma; 106ba0acb5eSDmitry Torokhov struct urb *urb_irq; 107ba0acb5eSDmitry Torokhov 108ba0acb5eSDmitry Torokhov /* control output channel */ 109ba0acb5eSDmitry Torokhov struct yld_ctl_packet *ctl_data; 110ba0acb5eSDmitry Torokhov dma_addr_t ctl_dma; 111ba0acb5eSDmitry Torokhov struct usb_ctrlrequest *ctl_req; 112ba0acb5eSDmitry Torokhov struct urb *urb_ctl; 113ba0acb5eSDmitry Torokhov 114ba0acb5eSDmitry Torokhov char phys[64]; /* physical device path */ 115ba0acb5eSDmitry Torokhov 116ba0acb5eSDmitry Torokhov u8 lcdMap[ARRAY_SIZE(lcdMap)]; /* state of LCD, LED ... */ 117ba0acb5eSDmitry Torokhov int key_code; /* last reported key */ 118ba0acb5eSDmitry Torokhov 119b4ecda3eSOliver Neukum unsigned int shutdown:1; 120b4ecda3eSOliver Neukum 121ba0acb5eSDmitry Torokhov int stat_ix; 122ba0acb5eSDmitry Torokhov union { 123ba0acb5eSDmitry Torokhov struct yld_status s; 124ba0acb5eSDmitry Torokhov u8 b[sizeof(struct yld_status)]; 125ba0acb5eSDmitry Torokhov } master, copy; 126ba0acb5eSDmitry Torokhov }; 127ba0acb5eSDmitry Torokhov 128ba0acb5eSDmitry Torokhov 129ba0acb5eSDmitry Torokhov /******************************************************************************* 130ba0acb5eSDmitry Torokhov * Yealink lcd interface 131ba0acb5eSDmitry Torokhov ******************************************************************************/ 132ba0acb5eSDmitry Torokhov 133ba0acb5eSDmitry Torokhov /* 134ba0acb5eSDmitry Torokhov * Register a default 7 segment character set 135ba0acb5eSDmitry Torokhov */ 136ba0acb5eSDmitry Torokhov static SEG7_DEFAULT_MAP(map_seg7); 137ba0acb5eSDmitry Torokhov 138ba0acb5eSDmitry Torokhov /* Display a char, 139ba0acb5eSDmitry Torokhov * char '\9' and '\n' are placeholders and do not overwrite the original text. 140ba0acb5eSDmitry Torokhov * A space will always hide an icon. 141ba0acb5eSDmitry Torokhov */ 142ba0acb5eSDmitry Torokhov static int setChar(struct yealink_dev *yld, int el, int chr) 143ba0acb5eSDmitry Torokhov { 144ba0acb5eSDmitry Torokhov int i, a, m, val; 145ba0acb5eSDmitry Torokhov 146ba0acb5eSDmitry Torokhov if (el >= ARRAY_SIZE(lcdMap)) 147ba0acb5eSDmitry Torokhov return -EINVAL; 148ba0acb5eSDmitry Torokhov 149ba0acb5eSDmitry Torokhov if (chr == '\t' || chr == '\n') 150ba0acb5eSDmitry Torokhov return 0; 151ba0acb5eSDmitry Torokhov 152ba0acb5eSDmitry Torokhov yld->lcdMap[el] = chr; 153ba0acb5eSDmitry Torokhov 154ba0acb5eSDmitry Torokhov if (lcdMap[el].type == '.') { 155ba0acb5eSDmitry Torokhov a = lcdMap[el].u.p.a; 156ba0acb5eSDmitry Torokhov m = lcdMap[el].u.p.m; 157ba0acb5eSDmitry Torokhov if (chr != ' ') 158ba0acb5eSDmitry Torokhov yld->master.b[a] |= m; 159ba0acb5eSDmitry Torokhov else 160ba0acb5eSDmitry Torokhov yld->master.b[a] &= ~m; 161ba0acb5eSDmitry Torokhov return 0; 162ba0acb5eSDmitry Torokhov } 163ba0acb5eSDmitry Torokhov 164ba0acb5eSDmitry Torokhov val = map_to_seg7(&map_seg7, chr); 165ba0acb5eSDmitry Torokhov for (i = 0; i < ARRAY_SIZE(lcdMap[0].u.s); i++) { 166ba0acb5eSDmitry Torokhov m = lcdMap[el].u.s[i].m; 167ba0acb5eSDmitry Torokhov 168ba0acb5eSDmitry Torokhov if (m == 0) 169ba0acb5eSDmitry Torokhov continue; 170ba0acb5eSDmitry Torokhov 171ba0acb5eSDmitry Torokhov a = lcdMap[el].u.s[i].a; 172ba0acb5eSDmitry Torokhov if (val & 1) 173ba0acb5eSDmitry Torokhov yld->master.b[a] |= m; 174ba0acb5eSDmitry Torokhov else 175ba0acb5eSDmitry Torokhov yld->master.b[a] &= ~m; 176ba0acb5eSDmitry Torokhov val = val >> 1; 177ba0acb5eSDmitry Torokhov } 178ba0acb5eSDmitry Torokhov return 0; 179ba0acb5eSDmitry Torokhov }; 180ba0acb5eSDmitry Torokhov 181ba0acb5eSDmitry Torokhov /******************************************************************************* 182ba0acb5eSDmitry Torokhov * Yealink key interface 183ba0acb5eSDmitry Torokhov ******************************************************************************/ 184ba0acb5eSDmitry Torokhov 185ba0acb5eSDmitry Torokhov /* Map device buttons to internal key events. 186ba0acb5eSDmitry Torokhov * 187ba0acb5eSDmitry Torokhov * USB-P1K button layout: 188ba0acb5eSDmitry Torokhov * 189ba0acb5eSDmitry Torokhov * up 190ba0acb5eSDmitry Torokhov * IN OUT 191ba0acb5eSDmitry Torokhov * down 192ba0acb5eSDmitry Torokhov * 193ba0acb5eSDmitry Torokhov * pickup C hangup 194ba0acb5eSDmitry Torokhov * 1 2 3 195ba0acb5eSDmitry Torokhov * 4 5 6 196ba0acb5eSDmitry Torokhov * 7 8 9 197ba0acb5eSDmitry Torokhov * * 0 # 198ba0acb5eSDmitry Torokhov * 199ba0acb5eSDmitry Torokhov * The "up" and "down" keys, are symbolised by arrows on the button. 200ba0acb5eSDmitry Torokhov * The "pickup" and "hangup" keys are symbolised by a green and red phone 201ba0acb5eSDmitry Torokhov * on the button. 202ba0acb5eSDmitry Torokhov */ 203ba0acb5eSDmitry Torokhov static int map_p1k_to_key(int scancode) 204ba0acb5eSDmitry Torokhov { 205ba0acb5eSDmitry Torokhov switch(scancode) { /* phone key: */ 206ba0acb5eSDmitry Torokhov case 0x23: return KEY_LEFT; /* IN */ 207ba0acb5eSDmitry Torokhov case 0x33: return KEY_UP; /* up */ 208ba0acb5eSDmitry Torokhov case 0x04: return KEY_RIGHT; /* OUT */ 209ba0acb5eSDmitry Torokhov case 0x24: return KEY_DOWN; /* down */ 210ba0acb5eSDmitry Torokhov case 0x03: return KEY_ENTER; /* pickup */ 211ba0acb5eSDmitry Torokhov case 0x14: return KEY_BACKSPACE; /* C */ 212ba0acb5eSDmitry Torokhov case 0x13: return KEY_ESC; /* hangup */ 213ba0acb5eSDmitry Torokhov case 0x00: return KEY_1; /* 1 */ 214ba0acb5eSDmitry Torokhov case 0x01: return KEY_2; /* 2 */ 215ba0acb5eSDmitry Torokhov case 0x02: return KEY_3; /* 3 */ 216ba0acb5eSDmitry Torokhov case 0x10: return KEY_4; /* 4 */ 217ba0acb5eSDmitry Torokhov case 0x11: return KEY_5; /* 5 */ 218ba0acb5eSDmitry Torokhov case 0x12: return KEY_6; /* 6 */ 219ba0acb5eSDmitry Torokhov case 0x20: return KEY_7; /* 7 */ 220ba0acb5eSDmitry Torokhov case 0x21: return KEY_8; /* 8 */ 221ba0acb5eSDmitry Torokhov case 0x22: return KEY_9; /* 9 */ 222ba0acb5eSDmitry Torokhov case 0x30: return KEY_KPASTERISK; /* * */ 223ba0acb5eSDmitry Torokhov case 0x31: return KEY_0; /* 0 */ 224ba0acb5eSDmitry Torokhov case 0x32: return KEY_LEFTSHIFT | 225ba0acb5eSDmitry Torokhov KEY_3 << 8; /* # */ 226ba0acb5eSDmitry Torokhov } 227ba0acb5eSDmitry Torokhov return -EINVAL; 228ba0acb5eSDmitry Torokhov } 229ba0acb5eSDmitry Torokhov 230ba0acb5eSDmitry Torokhov /* Completes a request by converting the data into events for the 231ba0acb5eSDmitry Torokhov * input subsystem. 232ba0acb5eSDmitry Torokhov * 233ba0acb5eSDmitry Torokhov * The key parameter can be cascaded: key2 << 8 | key1 234ba0acb5eSDmitry Torokhov */ 235ba0acb5eSDmitry Torokhov static void report_key(struct yealink_dev *yld, int key) 236ba0acb5eSDmitry Torokhov { 237ba0acb5eSDmitry Torokhov struct input_dev *idev = yld->idev; 238ba0acb5eSDmitry Torokhov 239ba0acb5eSDmitry Torokhov if (yld->key_code >= 0) { 240ba0acb5eSDmitry Torokhov /* old key up */ 241ba0acb5eSDmitry Torokhov input_report_key(idev, yld->key_code & 0xff, 0); 242ba0acb5eSDmitry Torokhov if (yld->key_code >> 8) 243ba0acb5eSDmitry Torokhov input_report_key(idev, yld->key_code >> 8, 0); 244ba0acb5eSDmitry Torokhov } 245ba0acb5eSDmitry Torokhov 246ba0acb5eSDmitry Torokhov yld->key_code = key; 247ba0acb5eSDmitry Torokhov if (key >= 0) { 248ba0acb5eSDmitry Torokhov /* new valid key */ 249ba0acb5eSDmitry Torokhov input_report_key(idev, key & 0xff, 1); 250ba0acb5eSDmitry Torokhov if (key >> 8) 251ba0acb5eSDmitry Torokhov input_report_key(idev, key >> 8, 1); 252ba0acb5eSDmitry Torokhov } 253ba0acb5eSDmitry Torokhov input_sync(idev); 254ba0acb5eSDmitry Torokhov } 255ba0acb5eSDmitry Torokhov 256ba0acb5eSDmitry Torokhov /******************************************************************************* 257ba0acb5eSDmitry Torokhov * Yealink usb communication interface 258ba0acb5eSDmitry Torokhov ******************************************************************************/ 259ba0acb5eSDmitry Torokhov 260ba0acb5eSDmitry Torokhov static int yealink_cmd(struct yealink_dev *yld, struct yld_ctl_packet *p) 261ba0acb5eSDmitry Torokhov { 262ba0acb5eSDmitry Torokhov u8 *buf = (u8 *)p; 263ba0acb5eSDmitry Torokhov int i; 264ba0acb5eSDmitry Torokhov u8 sum = 0; 265ba0acb5eSDmitry Torokhov 266ba0acb5eSDmitry Torokhov for(i=0; i<USB_PKT_LEN-1; i++) 267ba0acb5eSDmitry Torokhov sum -= buf[i]; 268ba0acb5eSDmitry Torokhov p->sum = sum; 269ba0acb5eSDmitry Torokhov return usb_control_msg(yld->udev, 270ba0acb5eSDmitry Torokhov usb_sndctrlpipe(yld->udev, 0), 271ba0acb5eSDmitry Torokhov USB_REQ_SET_CONFIGURATION, 272ba0acb5eSDmitry Torokhov USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, 273ba0acb5eSDmitry Torokhov 0x200, 3, 274ba0acb5eSDmitry Torokhov p, sizeof(*p), 275ba0acb5eSDmitry Torokhov USB_CTRL_SET_TIMEOUT); 276ba0acb5eSDmitry Torokhov } 277ba0acb5eSDmitry Torokhov 278ba0acb5eSDmitry Torokhov static u8 default_ringtone[] = { 279ba0acb5eSDmitry Torokhov 0xEF, /* volume [0-255] */ 280ba0acb5eSDmitry Torokhov 0xFB, 0x1E, 0x00, 0x0C, /* 1250 [hz], 12/100 [s] */ 281ba0acb5eSDmitry Torokhov 0xFC, 0x18, 0x00, 0x0C, /* 1000 [hz], 12/100 [s] */ 282ba0acb5eSDmitry Torokhov 0xFB, 0x1E, 0x00, 0x0C, 283ba0acb5eSDmitry Torokhov 0xFC, 0x18, 0x00, 0x0C, 284ba0acb5eSDmitry Torokhov 0xFB, 0x1E, 0x00, 0x0C, 285ba0acb5eSDmitry Torokhov 0xFC, 0x18, 0x00, 0x0C, 286ba0acb5eSDmitry Torokhov 0xFB, 0x1E, 0x00, 0x0C, 287ba0acb5eSDmitry Torokhov 0xFC, 0x18, 0x00, 0x0C, 288ba0acb5eSDmitry Torokhov 0xFF, 0xFF, 0x01, 0x90, /* silent, 400/100 [s] */ 289ba0acb5eSDmitry Torokhov 0x00, 0x00 /* end of sequence */ 290ba0acb5eSDmitry Torokhov }; 291ba0acb5eSDmitry Torokhov 292ba0acb5eSDmitry Torokhov static int yealink_set_ringtone(struct yealink_dev *yld, u8 *buf, size_t size) 293ba0acb5eSDmitry Torokhov { 294ba0acb5eSDmitry Torokhov struct yld_ctl_packet *p = yld->ctl_data; 295ba0acb5eSDmitry Torokhov int ix, len; 296ba0acb5eSDmitry Torokhov 297ba0acb5eSDmitry Torokhov if (size <= 0) 298ba0acb5eSDmitry Torokhov return -EINVAL; 299ba0acb5eSDmitry Torokhov 300ba0acb5eSDmitry Torokhov /* Set the ringtone volume */ 301ba0acb5eSDmitry Torokhov memset(yld->ctl_data, 0, sizeof(*(yld->ctl_data))); 302ba0acb5eSDmitry Torokhov yld->ctl_data->cmd = CMD_RING_VOLUME; 303ba0acb5eSDmitry Torokhov yld->ctl_data->size = 1; 304ba0acb5eSDmitry Torokhov yld->ctl_data->data[0] = buf[0]; 305ba0acb5eSDmitry Torokhov yealink_cmd(yld, p); 306ba0acb5eSDmitry Torokhov 307ba0acb5eSDmitry Torokhov buf++; 308ba0acb5eSDmitry Torokhov size--; 309ba0acb5eSDmitry Torokhov 310ba0acb5eSDmitry Torokhov p->cmd = CMD_RING_NOTE; 311ba0acb5eSDmitry Torokhov ix = 0; 312ba0acb5eSDmitry Torokhov while (size != ix) { 313ba0acb5eSDmitry Torokhov len = size - ix; 314ba0acb5eSDmitry Torokhov if (len > sizeof(p->data)) 315ba0acb5eSDmitry Torokhov len = sizeof(p->data); 316ba0acb5eSDmitry Torokhov p->size = len; 317ba0acb5eSDmitry Torokhov p->offset = cpu_to_be16(ix); 318ba0acb5eSDmitry Torokhov memcpy(p->data, &buf[ix], len); 319ba0acb5eSDmitry Torokhov yealink_cmd(yld, p); 320ba0acb5eSDmitry Torokhov ix += len; 321ba0acb5eSDmitry Torokhov } 322ba0acb5eSDmitry Torokhov return 0; 323ba0acb5eSDmitry Torokhov } 324ba0acb5eSDmitry Torokhov 325ba0acb5eSDmitry Torokhov /* keep stat_master & stat_copy in sync. 326ba0acb5eSDmitry Torokhov */ 327ba0acb5eSDmitry Torokhov static int yealink_do_idle_tasks(struct yealink_dev *yld) 328ba0acb5eSDmitry Torokhov { 329ba0acb5eSDmitry Torokhov u8 val; 330ba0acb5eSDmitry Torokhov int i, ix, len; 331ba0acb5eSDmitry Torokhov 332ba0acb5eSDmitry Torokhov ix = yld->stat_ix; 333ba0acb5eSDmitry Torokhov 334ba0acb5eSDmitry Torokhov memset(yld->ctl_data, 0, sizeof(*(yld->ctl_data))); 335ba0acb5eSDmitry Torokhov yld->ctl_data->cmd = CMD_KEYPRESS; 336ba0acb5eSDmitry Torokhov yld->ctl_data->size = 1; 337ba0acb5eSDmitry Torokhov yld->ctl_data->sum = 0xff - CMD_KEYPRESS; 338ba0acb5eSDmitry Torokhov 339ba0acb5eSDmitry Torokhov /* If state update pointer wraps do a KEYPRESS first. */ 340ba0acb5eSDmitry Torokhov if (ix >= sizeof(yld->master)) { 341ba0acb5eSDmitry Torokhov yld->stat_ix = 0; 342ba0acb5eSDmitry Torokhov return 0; 343ba0acb5eSDmitry Torokhov } 344ba0acb5eSDmitry Torokhov 345ba0acb5eSDmitry Torokhov /* find update candidates: copy != master */ 346ba0acb5eSDmitry Torokhov do { 347ba0acb5eSDmitry Torokhov val = yld->master.b[ix]; 348ba0acb5eSDmitry Torokhov if (val != yld->copy.b[ix]) 349ba0acb5eSDmitry Torokhov goto send_update; 350ba0acb5eSDmitry Torokhov } while (++ix < sizeof(yld->master)); 351ba0acb5eSDmitry Torokhov 352ba0acb5eSDmitry Torokhov /* nothing todo, wait a bit and poll for a KEYPRESS */ 353ba0acb5eSDmitry Torokhov yld->stat_ix = 0; 354ba0acb5eSDmitry Torokhov /* TODO how can we wait abit. ?? 355ba0acb5eSDmitry Torokhov * msleep_interruptible(1000 / YEALINK_POLLING_FREQUENCY); 356ba0acb5eSDmitry Torokhov */ 357ba0acb5eSDmitry Torokhov return 0; 358ba0acb5eSDmitry Torokhov 359ba0acb5eSDmitry Torokhov send_update: 360ba0acb5eSDmitry Torokhov 361ba0acb5eSDmitry Torokhov /* Setup an appropriate update request */ 362ba0acb5eSDmitry Torokhov yld->copy.b[ix] = val; 363ba0acb5eSDmitry Torokhov yld->ctl_data->data[0] = val; 364ba0acb5eSDmitry Torokhov 365ba0acb5eSDmitry Torokhov switch(ix) { 366ba0acb5eSDmitry Torokhov case offsetof(struct yld_status, led): 367ba0acb5eSDmitry Torokhov yld->ctl_data->cmd = CMD_LED; 368ba0acb5eSDmitry Torokhov yld->ctl_data->sum = -1 - CMD_LED - val; 369ba0acb5eSDmitry Torokhov break; 370ba0acb5eSDmitry Torokhov case offsetof(struct yld_status, dialtone): 371ba0acb5eSDmitry Torokhov yld->ctl_data->cmd = CMD_DIALTONE; 372ba0acb5eSDmitry Torokhov yld->ctl_data->sum = -1 - CMD_DIALTONE - val; 373ba0acb5eSDmitry Torokhov break; 374ba0acb5eSDmitry Torokhov case offsetof(struct yld_status, ringtone): 375ba0acb5eSDmitry Torokhov yld->ctl_data->cmd = CMD_RINGTONE; 376ba0acb5eSDmitry Torokhov yld->ctl_data->sum = -1 - CMD_RINGTONE - val; 377ba0acb5eSDmitry Torokhov break; 378ba0acb5eSDmitry Torokhov case offsetof(struct yld_status, keynum): 379ba0acb5eSDmitry Torokhov val--; 380ba0acb5eSDmitry Torokhov val &= 0x1f; 381ba0acb5eSDmitry Torokhov yld->ctl_data->cmd = CMD_SCANCODE; 382ba0acb5eSDmitry Torokhov yld->ctl_data->offset = cpu_to_be16(val); 383ba0acb5eSDmitry Torokhov yld->ctl_data->data[0] = 0; 384ba0acb5eSDmitry Torokhov yld->ctl_data->sum = -1 - CMD_SCANCODE - val; 385ba0acb5eSDmitry Torokhov break; 386ba0acb5eSDmitry Torokhov default: 387ba0acb5eSDmitry Torokhov len = sizeof(yld->master.s.lcd) - ix; 388ba0acb5eSDmitry Torokhov if (len > sizeof(yld->ctl_data->data)) 389ba0acb5eSDmitry Torokhov len = sizeof(yld->ctl_data->data); 390ba0acb5eSDmitry Torokhov 391ba0acb5eSDmitry Torokhov /* Combine up to <len> consecutive LCD bytes in a singe request 392ba0acb5eSDmitry Torokhov */ 393ba0acb5eSDmitry Torokhov yld->ctl_data->cmd = CMD_LCD; 394ba0acb5eSDmitry Torokhov yld->ctl_data->offset = cpu_to_be16(ix); 395ba0acb5eSDmitry Torokhov yld->ctl_data->size = len; 396ba0acb5eSDmitry Torokhov yld->ctl_data->sum = -CMD_LCD - ix - val - len; 397ba0acb5eSDmitry Torokhov for(i=1; i<len; i++) { 398ba0acb5eSDmitry Torokhov ix++; 399ba0acb5eSDmitry Torokhov val = yld->master.b[ix]; 400ba0acb5eSDmitry Torokhov yld->copy.b[ix] = val; 401ba0acb5eSDmitry Torokhov yld->ctl_data->data[i] = val; 402ba0acb5eSDmitry Torokhov yld->ctl_data->sum -= val; 403ba0acb5eSDmitry Torokhov } 404ba0acb5eSDmitry Torokhov } 405ba0acb5eSDmitry Torokhov yld->stat_ix = ix + 1; 406ba0acb5eSDmitry Torokhov return 1; 407ba0acb5eSDmitry Torokhov } 408ba0acb5eSDmitry Torokhov 409ba0acb5eSDmitry Torokhov /* Decide on how to handle responses 410ba0acb5eSDmitry Torokhov * 411ba0acb5eSDmitry Torokhov * The state transition diagram is somethhing like: 412ba0acb5eSDmitry Torokhov * 413ba0acb5eSDmitry Torokhov * syncState<--+ 414ba0acb5eSDmitry Torokhov * | | 415ba0acb5eSDmitry Torokhov * | idle 416ba0acb5eSDmitry Torokhov * \|/ | 417ba0acb5eSDmitry Torokhov * init --ok--> waitForKey --ok--> getKey 418ba0acb5eSDmitry Torokhov * ^ ^ | 419ba0acb5eSDmitry Torokhov * | +-------ok-------+ 420ba0acb5eSDmitry Torokhov * error,start 421ba0acb5eSDmitry Torokhov * 422ba0acb5eSDmitry Torokhov */ 423ba0acb5eSDmitry Torokhov static void urb_irq_callback(struct urb *urb) 424ba0acb5eSDmitry Torokhov { 425ba0acb5eSDmitry Torokhov struct yealink_dev *yld = urb->context; 426b4ecda3eSOliver Neukum int ret, status = urb->status; 427ba0acb5eSDmitry Torokhov 428b4ecda3eSOliver Neukum if (status) 42973e66ceaSGreg Kroah-Hartman dev_err(&yld->intf->dev, "%s - urb status %d\n", 43008813d35SGreg Kroah-Hartman __func__, status); 431ba0acb5eSDmitry Torokhov 432ba0acb5eSDmitry Torokhov switch (yld->irq_data->cmd) { 433ba0acb5eSDmitry Torokhov case CMD_KEYPRESS: 434ba0acb5eSDmitry Torokhov 435ba0acb5eSDmitry Torokhov yld->master.s.keynum = yld->irq_data->data[0]; 436ba0acb5eSDmitry Torokhov break; 437ba0acb5eSDmitry Torokhov 438ba0acb5eSDmitry Torokhov case CMD_SCANCODE: 43973e66ceaSGreg Kroah-Hartman dev_dbg(&yld->intf->dev, "get scancode %x\n", 440938476f9SGreg Kroah-Hartman yld->irq_data->data[0]); 441ba0acb5eSDmitry Torokhov 442ba0acb5eSDmitry Torokhov report_key(yld, map_p1k_to_key(yld->irq_data->data[0])); 443ba0acb5eSDmitry Torokhov break; 444ba0acb5eSDmitry Torokhov 445ba0acb5eSDmitry Torokhov default: 44673e66ceaSGreg Kroah-Hartman dev_err(&yld->intf->dev, "unexpected response %x\n", 44708813d35SGreg Kroah-Hartman yld->irq_data->cmd); 448ba0acb5eSDmitry Torokhov } 449ba0acb5eSDmitry Torokhov 450ba0acb5eSDmitry Torokhov yealink_do_idle_tasks(yld); 451ba0acb5eSDmitry Torokhov 452b4ecda3eSOliver Neukum if (!yld->shutdown) { 453ba0acb5eSDmitry Torokhov ret = usb_submit_urb(yld->urb_ctl, GFP_ATOMIC); 454b4ecda3eSOliver Neukum if (ret && ret != -EPERM) 45573e66ceaSGreg Kroah-Hartman dev_err(&yld->intf->dev, 45608813d35SGreg Kroah-Hartman "%s - usb_submit_urb failed %d\n", 45708813d35SGreg Kroah-Hartman __func__, ret); 458ba0acb5eSDmitry Torokhov } 459b4ecda3eSOliver Neukum } 460ba0acb5eSDmitry Torokhov 461ba0acb5eSDmitry Torokhov static void urb_ctl_callback(struct urb *urb) 462ba0acb5eSDmitry Torokhov { 463ba0acb5eSDmitry Torokhov struct yealink_dev *yld = urb->context; 464b4ecda3eSOliver Neukum int ret = 0, status = urb->status; 465ba0acb5eSDmitry Torokhov 466b4ecda3eSOliver Neukum if (status) 46773e66ceaSGreg Kroah-Hartman dev_err(&yld->intf->dev, "%s - urb status %d\n", 46808813d35SGreg Kroah-Hartman __func__, status); 469ba0acb5eSDmitry Torokhov 470ba0acb5eSDmitry Torokhov switch (yld->ctl_data->cmd) { 471ba0acb5eSDmitry Torokhov case CMD_KEYPRESS: 472ba0acb5eSDmitry Torokhov case CMD_SCANCODE: 473ba0acb5eSDmitry Torokhov /* ask for a response */ 474b4ecda3eSOliver Neukum if (!yld->shutdown) 475ba0acb5eSDmitry Torokhov ret = usb_submit_urb(yld->urb_irq, GFP_ATOMIC); 476ba0acb5eSDmitry Torokhov break; 477ba0acb5eSDmitry Torokhov default: 478ba0acb5eSDmitry Torokhov /* send new command */ 479ba0acb5eSDmitry Torokhov yealink_do_idle_tasks(yld); 480b4ecda3eSOliver Neukum if (!yld->shutdown) 481ba0acb5eSDmitry Torokhov ret = usb_submit_urb(yld->urb_ctl, GFP_ATOMIC); 482b4ecda3eSOliver Neukum break; 483ba0acb5eSDmitry Torokhov } 484ba0acb5eSDmitry Torokhov 485b4ecda3eSOliver Neukum if (ret && ret != -EPERM) 48673e66ceaSGreg Kroah-Hartman dev_err(&yld->intf->dev, "%s - usb_submit_urb failed %d\n", 48708813d35SGreg Kroah-Hartman __func__, ret); 488ba0acb5eSDmitry Torokhov } 489ba0acb5eSDmitry Torokhov 490ba0acb5eSDmitry Torokhov /******************************************************************************* 491ba0acb5eSDmitry Torokhov * input event interface 492ba0acb5eSDmitry Torokhov ******************************************************************************/ 493ba0acb5eSDmitry Torokhov 494ba0acb5eSDmitry Torokhov /* TODO should we issue a ringtone on a SND_BELL event? 495ba0acb5eSDmitry Torokhov static int input_ev(struct input_dev *dev, unsigned int type, 496ba0acb5eSDmitry Torokhov unsigned int code, int value) 497ba0acb5eSDmitry Torokhov { 498ba0acb5eSDmitry Torokhov 499ba0acb5eSDmitry Torokhov if (type != EV_SND) 500ba0acb5eSDmitry Torokhov return -EINVAL; 501ba0acb5eSDmitry Torokhov 502ba0acb5eSDmitry Torokhov switch (code) { 503ba0acb5eSDmitry Torokhov case SND_BELL: 504ba0acb5eSDmitry Torokhov case SND_TONE: 505ba0acb5eSDmitry Torokhov break; 506ba0acb5eSDmitry Torokhov default: 507ba0acb5eSDmitry Torokhov return -EINVAL; 508ba0acb5eSDmitry Torokhov } 509ba0acb5eSDmitry Torokhov 510ba0acb5eSDmitry Torokhov return 0; 511ba0acb5eSDmitry Torokhov } 512ba0acb5eSDmitry Torokhov */ 513ba0acb5eSDmitry Torokhov 514ba0acb5eSDmitry Torokhov static int input_open(struct input_dev *dev) 515ba0acb5eSDmitry Torokhov { 516ba0acb5eSDmitry Torokhov struct yealink_dev *yld = input_get_drvdata(dev); 517ba0acb5eSDmitry Torokhov int i, ret; 518ba0acb5eSDmitry Torokhov 51973e66ceaSGreg Kroah-Hartman dev_dbg(&yld->intf->dev, "%s\n", __func__); 520ba0acb5eSDmitry Torokhov 521ba0acb5eSDmitry Torokhov /* force updates to device */ 522ba0acb5eSDmitry Torokhov for (i = 0; i<sizeof(yld->master); i++) 523ba0acb5eSDmitry Torokhov yld->copy.b[i] = ~yld->master.b[i]; 524ba0acb5eSDmitry Torokhov yld->key_code = -1; /* no keys pressed */ 525ba0acb5eSDmitry Torokhov 526ba0acb5eSDmitry Torokhov yealink_set_ringtone(yld, default_ringtone, sizeof(default_ringtone)); 527ba0acb5eSDmitry Torokhov 528ba0acb5eSDmitry Torokhov /* issue INIT */ 529ba0acb5eSDmitry Torokhov memset(yld->ctl_data, 0, sizeof(*(yld->ctl_data))); 530ba0acb5eSDmitry Torokhov yld->ctl_data->cmd = CMD_INIT; 531ba0acb5eSDmitry Torokhov yld->ctl_data->size = 10; 532ba0acb5eSDmitry Torokhov yld->ctl_data->sum = 0x100-CMD_INIT-10; 533ba0acb5eSDmitry Torokhov if ((ret = usb_submit_urb(yld->urb_ctl, GFP_KERNEL)) != 0) { 53473e66ceaSGreg Kroah-Hartman dev_dbg(&yld->intf->dev, 535938476f9SGreg Kroah-Hartman "%s - usb_submit_urb failed with result %d\n", 536ea3e6c59SHarvey Harrison __func__, ret); 537ba0acb5eSDmitry Torokhov return ret; 538ba0acb5eSDmitry Torokhov } 539ba0acb5eSDmitry Torokhov return 0; 540ba0acb5eSDmitry Torokhov } 541ba0acb5eSDmitry Torokhov 542ba0acb5eSDmitry Torokhov static void input_close(struct input_dev *dev) 543ba0acb5eSDmitry Torokhov { 544ba0acb5eSDmitry Torokhov struct yealink_dev *yld = input_get_drvdata(dev); 545ba0acb5eSDmitry Torokhov 546b4ecda3eSOliver Neukum yld->shutdown = 1; 547b4ecda3eSOliver Neukum /* 548b4ecda3eSOliver Neukum * Make sure the flag is seen by other CPUs before we start 549b4ecda3eSOliver Neukum * killing URBs so new URBs won't be submitted 550b4ecda3eSOliver Neukum */ 551b4ecda3eSOliver Neukum smp_wmb(); 552b4ecda3eSOliver Neukum 553ba0acb5eSDmitry Torokhov usb_kill_urb(yld->urb_ctl); 554ba0acb5eSDmitry Torokhov usb_kill_urb(yld->urb_irq); 555b4ecda3eSOliver Neukum 556b4ecda3eSOliver Neukum yld->shutdown = 0; 557b4ecda3eSOliver Neukum smp_wmb(); 558ba0acb5eSDmitry Torokhov } 559ba0acb5eSDmitry Torokhov 560ba0acb5eSDmitry Torokhov /******************************************************************************* 561ba0acb5eSDmitry Torokhov * sysfs interface 562ba0acb5eSDmitry Torokhov ******************************************************************************/ 563ba0acb5eSDmitry Torokhov 564ba0acb5eSDmitry Torokhov static DECLARE_RWSEM(sysfs_rwsema); 565ba0acb5eSDmitry Torokhov 566ba0acb5eSDmitry Torokhov /* Interface to the 7-segments translation table aka. char set. 567ba0acb5eSDmitry Torokhov */ 568ba0acb5eSDmitry Torokhov static ssize_t show_map(struct device *dev, struct device_attribute *attr, 569ba0acb5eSDmitry Torokhov char *buf) 570ba0acb5eSDmitry Torokhov { 571ba0acb5eSDmitry Torokhov memcpy(buf, &map_seg7, sizeof(map_seg7)); 572ba0acb5eSDmitry Torokhov return sizeof(map_seg7); 573ba0acb5eSDmitry Torokhov } 574ba0acb5eSDmitry Torokhov 575ba0acb5eSDmitry Torokhov static ssize_t store_map(struct device *dev, struct device_attribute *attr, 576ba0acb5eSDmitry Torokhov const char *buf, size_t cnt) 577ba0acb5eSDmitry Torokhov { 578ba0acb5eSDmitry Torokhov if (cnt != sizeof(map_seg7)) 579ba0acb5eSDmitry Torokhov return -EINVAL; 580ba0acb5eSDmitry Torokhov memcpy(&map_seg7, buf, sizeof(map_seg7)); 581ba0acb5eSDmitry Torokhov return sizeof(map_seg7); 582ba0acb5eSDmitry Torokhov } 583ba0acb5eSDmitry Torokhov 584ba0acb5eSDmitry Torokhov /* Interface to the LCD. 585ba0acb5eSDmitry Torokhov */ 586ba0acb5eSDmitry Torokhov 587ba0acb5eSDmitry Torokhov /* Reading /sys/../lineX will return the format string with its settings: 588ba0acb5eSDmitry Torokhov * 589ba0acb5eSDmitry Torokhov * Example: 590ba0acb5eSDmitry Torokhov * cat ./line3 591ba0acb5eSDmitry Torokhov * 888888888888 592ba0acb5eSDmitry Torokhov * Linux Rocks! 593ba0acb5eSDmitry Torokhov */ 594ba0acb5eSDmitry Torokhov static ssize_t show_line(struct device *dev, char *buf, int a, int b) 595ba0acb5eSDmitry Torokhov { 596ba0acb5eSDmitry Torokhov struct yealink_dev *yld; 597ba0acb5eSDmitry Torokhov int i; 598ba0acb5eSDmitry Torokhov 599ba0acb5eSDmitry Torokhov down_read(&sysfs_rwsema); 600ba0acb5eSDmitry Torokhov yld = dev_get_drvdata(dev); 601ba0acb5eSDmitry Torokhov if (yld == NULL) { 602ba0acb5eSDmitry Torokhov up_read(&sysfs_rwsema); 603ba0acb5eSDmitry Torokhov return -ENODEV; 604ba0acb5eSDmitry Torokhov } 605ba0acb5eSDmitry Torokhov 606ba0acb5eSDmitry Torokhov for (i = a; i < b; i++) 607ba0acb5eSDmitry Torokhov *buf++ = lcdMap[i].type; 608ba0acb5eSDmitry Torokhov *buf++ = '\n'; 609ba0acb5eSDmitry Torokhov for (i = a; i < b; i++) 610ba0acb5eSDmitry Torokhov *buf++ = yld->lcdMap[i]; 611ba0acb5eSDmitry Torokhov *buf++ = '\n'; 612ba0acb5eSDmitry Torokhov *buf = 0; 613ba0acb5eSDmitry Torokhov 614ba0acb5eSDmitry Torokhov up_read(&sysfs_rwsema); 615ba0acb5eSDmitry Torokhov return 3 + ((b - a) << 1); 616ba0acb5eSDmitry Torokhov } 617ba0acb5eSDmitry Torokhov 618ba0acb5eSDmitry Torokhov static ssize_t show_line1(struct device *dev, struct device_attribute *attr, 619ba0acb5eSDmitry Torokhov char *buf) 620ba0acb5eSDmitry Torokhov { 621ba0acb5eSDmitry Torokhov return show_line(dev, buf, LCD_LINE1_OFFSET, LCD_LINE2_OFFSET); 622ba0acb5eSDmitry Torokhov } 623ba0acb5eSDmitry Torokhov 624ba0acb5eSDmitry Torokhov static ssize_t show_line2(struct device *dev, struct device_attribute *attr, 625ba0acb5eSDmitry Torokhov char *buf) 626ba0acb5eSDmitry Torokhov { 627ba0acb5eSDmitry Torokhov return show_line(dev, buf, LCD_LINE2_OFFSET, LCD_LINE3_OFFSET); 628ba0acb5eSDmitry Torokhov } 629ba0acb5eSDmitry Torokhov 630ba0acb5eSDmitry Torokhov static ssize_t show_line3(struct device *dev, struct device_attribute *attr, 631ba0acb5eSDmitry Torokhov char *buf) 632ba0acb5eSDmitry Torokhov { 633ba0acb5eSDmitry Torokhov return show_line(dev, buf, LCD_LINE3_OFFSET, LCD_LINE4_OFFSET); 634ba0acb5eSDmitry Torokhov } 635ba0acb5eSDmitry Torokhov 636ba0acb5eSDmitry Torokhov /* Writing to /sys/../lineX will set the coresponding LCD line. 637ba0acb5eSDmitry Torokhov * - Excess characters are ignored. 638ba0acb5eSDmitry Torokhov * - If less characters are written than allowed, the remaining digits are 639ba0acb5eSDmitry Torokhov * unchanged. 640ba0acb5eSDmitry Torokhov * - The '\n' or '\t' char is a placeholder, it does not overwrite the 641ba0acb5eSDmitry Torokhov * original content. 642ba0acb5eSDmitry Torokhov */ 643ba0acb5eSDmitry Torokhov static ssize_t store_line(struct device *dev, const char *buf, size_t count, 644ba0acb5eSDmitry Torokhov int el, size_t len) 645ba0acb5eSDmitry Torokhov { 646ba0acb5eSDmitry Torokhov struct yealink_dev *yld; 647ba0acb5eSDmitry Torokhov int i; 648ba0acb5eSDmitry Torokhov 649ba0acb5eSDmitry Torokhov down_write(&sysfs_rwsema); 650ba0acb5eSDmitry Torokhov yld = dev_get_drvdata(dev); 651ba0acb5eSDmitry Torokhov if (yld == NULL) { 652ba0acb5eSDmitry Torokhov up_write(&sysfs_rwsema); 653ba0acb5eSDmitry Torokhov return -ENODEV; 654ba0acb5eSDmitry Torokhov } 655ba0acb5eSDmitry Torokhov 656ba0acb5eSDmitry Torokhov if (len > count) 657ba0acb5eSDmitry Torokhov len = count; 658ba0acb5eSDmitry Torokhov for (i = 0; i < len; i++) 659ba0acb5eSDmitry Torokhov setChar(yld, el++, buf[i]); 660ba0acb5eSDmitry Torokhov 661ba0acb5eSDmitry Torokhov up_write(&sysfs_rwsema); 662ba0acb5eSDmitry Torokhov return count; 663ba0acb5eSDmitry Torokhov } 664ba0acb5eSDmitry Torokhov 665ba0acb5eSDmitry Torokhov static ssize_t store_line1(struct device *dev, struct device_attribute *attr, 666ba0acb5eSDmitry Torokhov const char *buf, size_t count) 667ba0acb5eSDmitry Torokhov { 668ba0acb5eSDmitry Torokhov return store_line(dev, buf, count, LCD_LINE1_OFFSET, LCD_LINE1_SIZE); 669ba0acb5eSDmitry Torokhov } 670ba0acb5eSDmitry Torokhov 671ba0acb5eSDmitry Torokhov static ssize_t store_line2(struct device *dev, struct device_attribute *attr, 672ba0acb5eSDmitry Torokhov const char *buf, size_t count) 673ba0acb5eSDmitry Torokhov { 674ba0acb5eSDmitry Torokhov return store_line(dev, buf, count, LCD_LINE2_OFFSET, LCD_LINE2_SIZE); 675ba0acb5eSDmitry Torokhov } 676ba0acb5eSDmitry Torokhov 677ba0acb5eSDmitry Torokhov static ssize_t store_line3(struct device *dev, struct device_attribute *attr, 678ba0acb5eSDmitry Torokhov const char *buf, size_t count) 679ba0acb5eSDmitry Torokhov { 680ba0acb5eSDmitry Torokhov return store_line(dev, buf, count, LCD_LINE3_OFFSET, LCD_LINE3_SIZE); 681ba0acb5eSDmitry Torokhov } 682ba0acb5eSDmitry Torokhov 683ba0acb5eSDmitry Torokhov /* Interface to visible and audible "icons", these include: 684ba0acb5eSDmitry Torokhov * pictures on the LCD, the LED, and the dialtone signal. 685ba0acb5eSDmitry Torokhov */ 686ba0acb5eSDmitry Torokhov 687ba0acb5eSDmitry Torokhov /* Get a list of "switchable elements" with their current state. */ 688ba0acb5eSDmitry Torokhov static ssize_t get_icons(struct device *dev, struct device_attribute *attr, 689ba0acb5eSDmitry Torokhov char *buf) 690ba0acb5eSDmitry Torokhov { 691ba0acb5eSDmitry Torokhov struct yealink_dev *yld; 692ba0acb5eSDmitry Torokhov int i, ret = 1; 693ba0acb5eSDmitry Torokhov 694ba0acb5eSDmitry Torokhov down_read(&sysfs_rwsema); 695ba0acb5eSDmitry Torokhov yld = dev_get_drvdata(dev); 696ba0acb5eSDmitry Torokhov if (yld == NULL) { 697ba0acb5eSDmitry Torokhov up_read(&sysfs_rwsema); 698ba0acb5eSDmitry Torokhov return -ENODEV; 699ba0acb5eSDmitry Torokhov } 700ba0acb5eSDmitry Torokhov 701ba0acb5eSDmitry Torokhov for (i = 0; i < ARRAY_SIZE(lcdMap); i++) { 702ba0acb5eSDmitry Torokhov if (lcdMap[i].type != '.') 703ba0acb5eSDmitry Torokhov continue; 704ba0acb5eSDmitry Torokhov ret += sprintf(&buf[ret], "%s %s\n", 705ba0acb5eSDmitry Torokhov yld->lcdMap[i] == ' ' ? " " : "on", 706ba0acb5eSDmitry Torokhov lcdMap[i].u.p.name); 707ba0acb5eSDmitry Torokhov } 708ba0acb5eSDmitry Torokhov up_read(&sysfs_rwsema); 709ba0acb5eSDmitry Torokhov return ret; 710ba0acb5eSDmitry Torokhov } 711ba0acb5eSDmitry Torokhov 712ba0acb5eSDmitry Torokhov /* Change the visibility of a particular element. */ 713ba0acb5eSDmitry Torokhov static ssize_t set_icon(struct device *dev, const char *buf, size_t count, 714ba0acb5eSDmitry Torokhov int chr) 715ba0acb5eSDmitry Torokhov { 716ba0acb5eSDmitry Torokhov struct yealink_dev *yld; 717ba0acb5eSDmitry Torokhov int i; 718ba0acb5eSDmitry Torokhov 719ba0acb5eSDmitry Torokhov down_write(&sysfs_rwsema); 720ba0acb5eSDmitry Torokhov yld = dev_get_drvdata(dev); 721ba0acb5eSDmitry Torokhov if (yld == NULL) { 722ba0acb5eSDmitry Torokhov up_write(&sysfs_rwsema); 723ba0acb5eSDmitry Torokhov return -ENODEV; 724ba0acb5eSDmitry Torokhov } 725ba0acb5eSDmitry Torokhov 726ba0acb5eSDmitry Torokhov for (i = 0; i < ARRAY_SIZE(lcdMap); i++) { 727ba0acb5eSDmitry Torokhov if (lcdMap[i].type != '.') 728ba0acb5eSDmitry Torokhov continue; 729ba0acb5eSDmitry Torokhov if (strncmp(buf, lcdMap[i].u.p.name, count) == 0) { 730ba0acb5eSDmitry Torokhov setChar(yld, i, chr); 731ba0acb5eSDmitry Torokhov break; 732ba0acb5eSDmitry Torokhov } 733ba0acb5eSDmitry Torokhov } 734ba0acb5eSDmitry Torokhov 735ba0acb5eSDmitry Torokhov up_write(&sysfs_rwsema); 736ba0acb5eSDmitry Torokhov return count; 737ba0acb5eSDmitry Torokhov } 738ba0acb5eSDmitry Torokhov 739ba0acb5eSDmitry Torokhov static ssize_t show_icon(struct device *dev, struct device_attribute *attr, 740ba0acb5eSDmitry Torokhov const char *buf, size_t count) 741ba0acb5eSDmitry Torokhov { 742ba0acb5eSDmitry Torokhov return set_icon(dev, buf, count, buf[0]); 743ba0acb5eSDmitry Torokhov } 744ba0acb5eSDmitry Torokhov 745ba0acb5eSDmitry Torokhov static ssize_t hide_icon(struct device *dev, struct device_attribute *attr, 746ba0acb5eSDmitry Torokhov const char *buf, size_t count) 747ba0acb5eSDmitry Torokhov { 748ba0acb5eSDmitry Torokhov return set_icon(dev, buf, count, ' '); 749ba0acb5eSDmitry Torokhov } 750ba0acb5eSDmitry Torokhov 751ba0acb5eSDmitry Torokhov /* Upload a ringtone to the device. 752ba0acb5eSDmitry Torokhov */ 753ba0acb5eSDmitry Torokhov 754ba0acb5eSDmitry Torokhov /* Stores raw ringtone data in the phone */ 755ba0acb5eSDmitry Torokhov static ssize_t store_ringtone(struct device *dev, 756ba0acb5eSDmitry Torokhov struct device_attribute *attr, 757ba0acb5eSDmitry Torokhov const char *buf, size_t count) 758ba0acb5eSDmitry Torokhov { 759ba0acb5eSDmitry Torokhov struct yealink_dev *yld; 760ba0acb5eSDmitry Torokhov 761ba0acb5eSDmitry Torokhov down_write(&sysfs_rwsema); 762ba0acb5eSDmitry Torokhov yld = dev_get_drvdata(dev); 763ba0acb5eSDmitry Torokhov if (yld == NULL) { 764ba0acb5eSDmitry Torokhov up_write(&sysfs_rwsema); 765ba0acb5eSDmitry Torokhov return -ENODEV; 766ba0acb5eSDmitry Torokhov } 767ba0acb5eSDmitry Torokhov 768ba0acb5eSDmitry Torokhov /* TODO locking with async usb control interface??? */ 769ba0acb5eSDmitry Torokhov yealink_set_ringtone(yld, (char *)buf, count); 770ba0acb5eSDmitry Torokhov up_write(&sysfs_rwsema); 771ba0acb5eSDmitry Torokhov return count; 772ba0acb5eSDmitry Torokhov } 773ba0acb5eSDmitry Torokhov 774ba0acb5eSDmitry Torokhov #define _M444 S_IRUGO 775ba0acb5eSDmitry Torokhov #define _M664 S_IRUGO|S_IWUSR|S_IWGRP 776ba0acb5eSDmitry Torokhov #define _M220 S_IWUSR|S_IWGRP 777ba0acb5eSDmitry Torokhov 778ba0acb5eSDmitry Torokhov static DEVICE_ATTR(map_seg7 , _M664, show_map , store_map ); 779ba0acb5eSDmitry Torokhov static DEVICE_ATTR(line1 , _M664, show_line1 , store_line1 ); 780ba0acb5eSDmitry Torokhov static DEVICE_ATTR(line2 , _M664, show_line2 , store_line2 ); 781ba0acb5eSDmitry Torokhov static DEVICE_ATTR(line3 , _M664, show_line3 , store_line3 ); 782ba0acb5eSDmitry Torokhov static DEVICE_ATTR(get_icons , _M444, get_icons , NULL ); 783ba0acb5eSDmitry Torokhov static DEVICE_ATTR(show_icon , _M220, NULL , show_icon ); 784ba0acb5eSDmitry Torokhov static DEVICE_ATTR(hide_icon , _M220, NULL , hide_icon ); 785ba0acb5eSDmitry Torokhov static DEVICE_ATTR(ringtone , _M220, NULL , store_ringtone); 786ba0acb5eSDmitry Torokhov 787ba0acb5eSDmitry Torokhov static struct attribute *yld_attributes[] = { 788ba0acb5eSDmitry Torokhov &dev_attr_line1.attr, 789ba0acb5eSDmitry Torokhov &dev_attr_line2.attr, 790ba0acb5eSDmitry Torokhov &dev_attr_line3.attr, 791ba0acb5eSDmitry Torokhov &dev_attr_get_icons.attr, 792ba0acb5eSDmitry Torokhov &dev_attr_show_icon.attr, 793ba0acb5eSDmitry Torokhov &dev_attr_hide_icon.attr, 794ba0acb5eSDmitry Torokhov &dev_attr_map_seg7.attr, 795ba0acb5eSDmitry Torokhov &dev_attr_ringtone.attr, 796ba0acb5eSDmitry Torokhov NULL 797ba0acb5eSDmitry Torokhov }; 798ba0acb5eSDmitry Torokhov 799aa335071SArvind Yadav static const struct attribute_group yld_attr_group = { 800ba0acb5eSDmitry Torokhov .attrs = yld_attributes 801ba0acb5eSDmitry Torokhov }; 802ba0acb5eSDmitry Torokhov 803ba0acb5eSDmitry Torokhov /******************************************************************************* 804ba0acb5eSDmitry Torokhov * Linux interface and usb initialisation 805ba0acb5eSDmitry Torokhov ******************************************************************************/ 806ba0acb5eSDmitry Torokhov 807ba0acb5eSDmitry Torokhov struct driver_info { 808ba0acb5eSDmitry Torokhov char *name; 809ba0acb5eSDmitry Torokhov }; 810ba0acb5eSDmitry Torokhov 811ba0acb5eSDmitry Torokhov static const struct driver_info info_P1K = { 812ba0acb5eSDmitry Torokhov .name = "Yealink usb-p1k", 813ba0acb5eSDmitry Torokhov }; 814ba0acb5eSDmitry Torokhov 815ba0acb5eSDmitry Torokhov static const struct usb_device_id usb_table [] = { 816ba0acb5eSDmitry Torokhov { 817ba0acb5eSDmitry Torokhov .match_flags = USB_DEVICE_ID_MATCH_DEVICE | 818ba0acb5eSDmitry Torokhov USB_DEVICE_ID_MATCH_INT_INFO, 819ba0acb5eSDmitry Torokhov .idVendor = 0x6993, 820ba0acb5eSDmitry Torokhov .idProduct = 0xb001, 821ba0acb5eSDmitry Torokhov .bInterfaceClass = USB_CLASS_HID, 822ba0acb5eSDmitry Torokhov .bInterfaceSubClass = 0, 823ba0acb5eSDmitry Torokhov .bInterfaceProtocol = 0, 824ba0acb5eSDmitry Torokhov .driver_info = (kernel_ulong_t)&info_P1K 825ba0acb5eSDmitry Torokhov }, 826ba0acb5eSDmitry Torokhov { } 827ba0acb5eSDmitry Torokhov }; 828ba0acb5eSDmitry Torokhov 829ba0acb5eSDmitry Torokhov static int usb_cleanup(struct yealink_dev *yld, int err) 830ba0acb5eSDmitry Torokhov { 831ba0acb5eSDmitry Torokhov if (yld == NULL) 832ba0acb5eSDmitry Torokhov return err; 833ba0acb5eSDmitry Torokhov 834ba0acb5eSDmitry Torokhov if (yld->idev) { 835ba0acb5eSDmitry Torokhov if (err) 836ba0acb5eSDmitry Torokhov input_free_device(yld->idev); 837ba0acb5eSDmitry Torokhov else 838ba0acb5eSDmitry Torokhov input_unregister_device(yld->idev); 839ba0acb5eSDmitry Torokhov } 840ba0acb5eSDmitry Torokhov 841ba0acb5eSDmitry Torokhov usb_free_urb(yld->urb_irq); 842ba0acb5eSDmitry Torokhov usb_free_urb(yld->urb_ctl); 843ba0acb5eSDmitry Torokhov 8440ede76fcSAlan Stern kfree(yld->ctl_req); 845997ea58eSDaniel Mack usb_free_coherent(yld->udev, USB_PKT_LEN, yld->ctl_data, yld->ctl_dma); 846997ea58eSDaniel Mack usb_free_coherent(yld->udev, USB_PKT_LEN, yld->irq_data, yld->irq_dma); 847ba0acb5eSDmitry Torokhov 848ba0acb5eSDmitry Torokhov kfree(yld); 849ba0acb5eSDmitry Torokhov return err; 850ba0acb5eSDmitry Torokhov } 851ba0acb5eSDmitry Torokhov 852ba0acb5eSDmitry Torokhov static void usb_disconnect(struct usb_interface *intf) 853ba0acb5eSDmitry Torokhov { 854ba0acb5eSDmitry Torokhov struct yealink_dev *yld; 855ba0acb5eSDmitry Torokhov 856ba0acb5eSDmitry Torokhov down_write(&sysfs_rwsema); 857ba0acb5eSDmitry Torokhov yld = usb_get_intfdata(intf); 858ba0acb5eSDmitry Torokhov sysfs_remove_group(&intf->dev.kobj, &yld_attr_group); 859ba0acb5eSDmitry Torokhov usb_set_intfdata(intf, NULL); 860ba0acb5eSDmitry Torokhov up_write(&sysfs_rwsema); 861ba0acb5eSDmitry Torokhov 862ba0acb5eSDmitry Torokhov usb_cleanup(yld, 0); 863ba0acb5eSDmitry Torokhov } 864ba0acb5eSDmitry Torokhov 865ba0acb5eSDmitry Torokhov static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id) 866ba0acb5eSDmitry Torokhov { 867ba0acb5eSDmitry Torokhov struct usb_device *udev = interface_to_usbdev (intf); 868ba0acb5eSDmitry Torokhov struct driver_info *nfo = (struct driver_info *)id->driver_info; 869ba0acb5eSDmitry Torokhov struct usb_host_interface *interface; 870ba0acb5eSDmitry Torokhov struct usb_endpoint_descriptor *endpoint; 871ba0acb5eSDmitry Torokhov struct yealink_dev *yld; 872ba0acb5eSDmitry Torokhov struct input_dev *input_dev; 873ba0acb5eSDmitry Torokhov int ret, pipe, i; 874ba0acb5eSDmitry Torokhov 875ba0acb5eSDmitry Torokhov interface = intf->cur_altsetting; 8765cc4a1a9SJohan Hovold 8775cc4a1a9SJohan Hovold if (interface->desc.bNumEndpoints < 1) 8785cc4a1a9SJohan Hovold return -ENODEV; 8795cc4a1a9SJohan Hovold 880ba0acb5eSDmitry Torokhov endpoint = &interface->endpoint[0].desc; 881ba0acb5eSDmitry Torokhov if (!usb_endpoint_is_int_in(endpoint)) 882ba0acb5eSDmitry Torokhov return -ENODEV; 883ba0acb5eSDmitry Torokhov 884ba0acb5eSDmitry Torokhov yld = kzalloc(sizeof(struct yealink_dev), GFP_KERNEL); 885ba0acb5eSDmitry Torokhov if (!yld) 886ba0acb5eSDmitry Torokhov return -ENOMEM; 887ba0acb5eSDmitry Torokhov 888ba0acb5eSDmitry Torokhov yld->udev = udev; 88973e66ceaSGreg Kroah-Hartman yld->intf = intf; 890ba0acb5eSDmitry Torokhov 891ba0acb5eSDmitry Torokhov yld->idev = input_dev = input_allocate_device(); 892ba0acb5eSDmitry Torokhov if (!input_dev) 893ba0acb5eSDmitry Torokhov return usb_cleanup(yld, -ENOMEM); 894ba0acb5eSDmitry Torokhov 895ba0acb5eSDmitry Torokhov /* allocate usb buffers */ 896997ea58eSDaniel Mack yld->irq_data = usb_alloc_coherent(udev, USB_PKT_LEN, 897ba0acb5eSDmitry Torokhov GFP_ATOMIC, &yld->irq_dma); 898ba0acb5eSDmitry Torokhov if (yld->irq_data == NULL) 899ba0acb5eSDmitry Torokhov return usb_cleanup(yld, -ENOMEM); 900ba0acb5eSDmitry Torokhov 901997ea58eSDaniel Mack yld->ctl_data = usb_alloc_coherent(udev, USB_PKT_LEN, 902ba0acb5eSDmitry Torokhov GFP_ATOMIC, &yld->ctl_dma); 903ba0acb5eSDmitry Torokhov if (!yld->ctl_data) 904ba0acb5eSDmitry Torokhov return usb_cleanup(yld, -ENOMEM); 905ba0acb5eSDmitry Torokhov 9060ede76fcSAlan Stern yld->ctl_req = kmalloc(sizeof(*(yld->ctl_req)), GFP_KERNEL); 907ba0acb5eSDmitry Torokhov if (yld->ctl_req == NULL) 908ba0acb5eSDmitry Torokhov return usb_cleanup(yld, -ENOMEM); 909ba0acb5eSDmitry Torokhov 910ba0acb5eSDmitry Torokhov /* allocate urb structures */ 911ba0acb5eSDmitry Torokhov yld->urb_irq = usb_alloc_urb(0, GFP_KERNEL); 912ba0acb5eSDmitry Torokhov if (yld->urb_irq == NULL) 913ba0acb5eSDmitry Torokhov return usb_cleanup(yld, -ENOMEM); 914ba0acb5eSDmitry Torokhov 915ba0acb5eSDmitry Torokhov yld->urb_ctl = usb_alloc_urb(0, GFP_KERNEL); 916ba0acb5eSDmitry Torokhov if (yld->urb_ctl == NULL) 917ba0acb5eSDmitry Torokhov return usb_cleanup(yld, -ENOMEM); 918ba0acb5eSDmitry Torokhov 919ba0acb5eSDmitry Torokhov /* get a handle to the interrupt data pipe */ 920ba0acb5eSDmitry Torokhov pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress); 921ba0acb5eSDmitry Torokhov ret = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); 922ba0acb5eSDmitry Torokhov if (ret != USB_PKT_LEN) 92308813d35SGreg Kroah-Hartman dev_err(&intf->dev, "invalid payload size %d, expected %zd\n", 92408813d35SGreg Kroah-Hartman ret, USB_PKT_LEN); 925ba0acb5eSDmitry Torokhov 926ba0acb5eSDmitry Torokhov /* initialise irq urb */ 927ba0acb5eSDmitry Torokhov usb_fill_int_urb(yld->urb_irq, udev, pipe, yld->irq_data, 928ba0acb5eSDmitry Torokhov USB_PKT_LEN, 929ba0acb5eSDmitry Torokhov urb_irq_callback, 930ba0acb5eSDmitry Torokhov yld, endpoint->bInterval); 931ba0acb5eSDmitry Torokhov yld->urb_irq->transfer_dma = yld->irq_dma; 932ba0acb5eSDmitry Torokhov yld->urb_irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 933ba0acb5eSDmitry Torokhov yld->urb_irq->dev = udev; 934ba0acb5eSDmitry Torokhov 935ba0acb5eSDmitry Torokhov /* initialise ctl urb */ 936ba0acb5eSDmitry Torokhov yld->ctl_req->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | 937ba0acb5eSDmitry Torokhov USB_DIR_OUT; 938ba0acb5eSDmitry Torokhov yld->ctl_req->bRequest = USB_REQ_SET_CONFIGURATION; 939ba0acb5eSDmitry Torokhov yld->ctl_req->wValue = cpu_to_le16(0x200); 940ba0acb5eSDmitry Torokhov yld->ctl_req->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber); 941ba0acb5eSDmitry Torokhov yld->ctl_req->wLength = cpu_to_le16(USB_PKT_LEN); 942ba0acb5eSDmitry Torokhov 943ba0acb5eSDmitry Torokhov usb_fill_control_urb(yld->urb_ctl, udev, usb_sndctrlpipe(udev, 0), 944ba0acb5eSDmitry Torokhov (void *)yld->ctl_req, yld->ctl_data, USB_PKT_LEN, 945ba0acb5eSDmitry Torokhov urb_ctl_callback, yld); 946ba0acb5eSDmitry Torokhov yld->urb_ctl->transfer_dma = yld->ctl_dma; 9470ede76fcSAlan Stern yld->urb_ctl->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 948ba0acb5eSDmitry Torokhov yld->urb_ctl->dev = udev; 949ba0acb5eSDmitry Torokhov 950ba0acb5eSDmitry Torokhov /* find out the physical bus location */ 951ba0acb5eSDmitry Torokhov usb_make_path(udev, yld->phys, sizeof(yld->phys)); 952ba0acb5eSDmitry Torokhov strlcat(yld->phys, "/input0", sizeof(yld->phys)); 953ba0acb5eSDmitry Torokhov 954ba0acb5eSDmitry Torokhov /* register settings for the input device */ 955ba0acb5eSDmitry Torokhov input_dev->name = nfo->name; 956ba0acb5eSDmitry Torokhov input_dev->phys = yld->phys; 957ba0acb5eSDmitry Torokhov usb_to_input_id(udev, &input_dev->id); 958ba0acb5eSDmitry Torokhov input_dev->dev.parent = &intf->dev; 959ba0acb5eSDmitry Torokhov 960ba0acb5eSDmitry Torokhov input_set_drvdata(input_dev, yld); 961ba0acb5eSDmitry Torokhov 962ba0acb5eSDmitry Torokhov input_dev->open = input_open; 963ba0acb5eSDmitry Torokhov input_dev->close = input_close; 964ba0acb5eSDmitry Torokhov /* input_dev->event = input_ev; TODO */ 965ba0acb5eSDmitry Torokhov 966ba0acb5eSDmitry Torokhov /* register available key events */ 9677b19ada2SJiri Slaby input_dev->evbit[0] = BIT_MASK(EV_KEY); 968ba0acb5eSDmitry Torokhov for (i = 0; i < 256; i++) { 969ba0acb5eSDmitry Torokhov int k = map_p1k_to_key(i); 970ba0acb5eSDmitry Torokhov if (k >= 0) { 971ba0acb5eSDmitry Torokhov set_bit(k & 0xff, input_dev->keybit); 972ba0acb5eSDmitry Torokhov if (k >> 8) 973ba0acb5eSDmitry Torokhov set_bit(k >> 8, input_dev->keybit); 974ba0acb5eSDmitry Torokhov } 975ba0acb5eSDmitry Torokhov } 976ba0acb5eSDmitry Torokhov 977ba0acb5eSDmitry Torokhov ret = input_register_device(yld->idev); 978ba0acb5eSDmitry Torokhov if (ret) 979ba0acb5eSDmitry Torokhov return usb_cleanup(yld, ret); 980ba0acb5eSDmitry Torokhov 981ba0acb5eSDmitry Torokhov usb_set_intfdata(intf, yld); 982ba0acb5eSDmitry Torokhov 983ba0acb5eSDmitry Torokhov /* clear visible elements */ 984ba0acb5eSDmitry Torokhov for (i = 0; i < ARRAY_SIZE(lcdMap); i++) 985ba0acb5eSDmitry Torokhov setChar(yld, i, ' '); 986ba0acb5eSDmitry Torokhov 987ba0acb5eSDmitry Torokhov /* display driver version on LCD line 3 */ 988ba0acb5eSDmitry Torokhov store_line3(&intf->dev, NULL, 989ba0acb5eSDmitry Torokhov DRIVER_VERSION, sizeof(DRIVER_VERSION)); 990ba0acb5eSDmitry Torokhov 991ba0acb5eSDmitry Torokhov /* Register sysfs hooks (don't care about failure) */ 992ba0acb5eSDmitry Torokhov ret = sysfs_create_group(&intf->dev.kobj, &yld_attr_group); 993ba0acb5eSDmitry Torokhov return 0; 994ba0acb5eSDmitry Torokhov } 995ba0acb5eSDmitry Torokhov 996ba0acb5eSDmitry Torokhov static struct usb_driver yealink_driver = { 997ba0acb5eSDmitry Torokhov .name = "yealink", 998ba0acb5eSDmitry Torokhov .probe = usb_probe, 999ba0acb5eSDmitry Torokhov .disconnect = usb_disconnect, 1000ba0acb5eSDmitry Torokhov .id_table = usb_table, 1001ba0acb5eSDmitry Torokhov }; 1002ba0acb5eSDmitry Torokhov 100308642e7cSGreg Kroah-Hartman module_usb_driver(yealink_driver); 1004ba0acb5eSDmitry Torokhov 1005ba0acb5eSDmitry Torokhov MODULE_DEVICE_TABLE (usb, usb_table); 1006ba0acb5eSDmitry Torokhov 1007698c03b4SJulia Lawall MODULE_AUTHOR("Henk Vergonet"); 1008698c03b4SJulia Lawall MODULE_DESCRIPTION("Yealink phone driver"); 1009ba0acb5eSDmitry Torokhov MODULE_LICENSE("GPL"); 1010