Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Driver for the VoIP USB phones with CM109 chipsets. |
| 3 | * |
| 4 | * Copyright (C) 2007 - 2008 Alfred E. Heggestad <aeh@db.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation, version 2. |
| 9 | */ |
| 10 | |
| 11 | /* |
| 12 | * Tested devices: |
| 13 | * - Komunikate KIP1000 |
| 14 | * - Genius G-talk |
| 15 | * - Allied-Telesis Corega USBPH01 |
| 16 | * - ... |
| 17 | * |
| 18 | * This driver is based on the yealink.c driver |
| 19 | * |
| 20 | * Thanks to: |
| 21 | * - Authors of yealink.c |
| 22 | * - Thomas Reitmayr |
| 23 | * - Oliver Neukum for good review comments and code |
| 24 | * - Shaun Jackman <sjackman@gmail.com> for Genius G-talk keymap |
| 25 | * - Dmitry Torokhov for valuable input and review |
| 26 | * |
| 27 | * Todo: |
| 28 | * - Read/write EEPROM |
| 29 | */ |
| 30 | |
| 31 | #include <linux/kernel.h> |
| 32 | #include <linux/init.h> |
| 33 | #include <linux/slab.h> |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/moduleparam.h> |
| 36 | #include <linux/rwsem.h> |
| 37 | #include <linux/usb/input.h> |
| 38 | |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 39 | #define DRIVER_VERSION "20080805" |
| 40 | #define DRIVER_AUTHOR "Alfred E. Heggestad" |
| 41 | #define DRIVER_DESC "CM109 phone driver" |
| 42 | |
| 43 | static char *phone = "kip1000"; |
| 44 | module_param(phone, charp, S_IRUSR); |
Daniel Gimpelevich | 734f0ba | 2008-11-11 13:57:30 -0500 | [diff] [blame] | 45 | MODULE_PARM_DESC(phone, "Phone name {kip1000, gtalk, usbph01, atcom}"); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 46 | |
| 47 | enum { |
| 48 | /* HID Registers */ |
| 49 | HID_IR0 = 0x00, /* Record/Playback-mute button, Volume up/down */ |
| 50 | HID_IR1 = 0x01, /* GPI, generic registers or EEPROM_DATA0 */ |
| 51 | HID_IR2 = 0x02, /* Generic registers or EEPROM_DATA1 */ |
| 52 | HID_IR3 = 0x03, /* Generic registers or EEPROM_CTRL */ |
| 53 | HID_OR0 = 0x00, /* Mapping control, buzzer, SPDIF (offset 0x04) */ |
| 54 | HID_OR1 = 0x01, /* GPO - General Purpose Output */ |
| 55 | HID_OR2 = 0x02, /* Set GPIO to input/output mode */ |
| 56 | HID_OR3 = 0x03, /* SPDIF status channel or EEPROM_CTRL */ |
| 57 | |
| 58 | /* HID_IR0 */ |
| 59 | RECORD_MUTE = 1 << 3, |
| 60 | PLAYBACK_MUTE = 1 << 2, |
| 61 | VOLUME_DOWN = 1 << 1, |
| 62 | VOLUME_UP = 1 << 0, |
| 63 | |
| 64 | /* HID_OR0 */ |
| 65 | /* bits 7-6 |
| 66 | 0: HID_OR1-2 are used for GPO; HID_OR0, 3 are used for buzzer |
| 67 | and SPDIF |
| 68 | 1: HID_OR0-3 are used as generic HID registers |
| 69 | 2: Values written to HID_OR0-3 are also mapped to MCU_CTRL, |
| 70 | EEPROM_DATA0-1, EEPROM_CTRL (see Note) |
| 71 | 3: Reserved |
| 72 | */ |
| 73 | HID_OR_GPO_BUZ_SPDIF = 0 << 6, |
| 74 | HID_OR_GENERIC_HID_REG = 1 << 6, |
| 75 | HID_OR_MAP_MCU_EEPROM = 2 << 6, |
| 76 | |
| 77 | BUZZER_ON = 1 << 5, |
| 78 | |
| 79 | /* up to 256 normal keys, up to 16 special keys */ |
| 80 | KEYMAP_SIZE = 256 + 16, |
| 81 | }; |
| 82 | |
| 83 | /* CM109 protocol packet */ |
| 84 | struct cm109_ctl_packet { |
| 85 | u8 byte[4]; |
| 86 | } __attribute__ ((packed)); |
| 87 | |
| 88 | enum { USB_PKT_LEN = sizeof(struct cm109_ctl_packet) }; |
| 89 | |
| 90 | /* CM109 device structure */ |
| 91 | struct cm109_dev { |
| 92 | struct input_dev *idev; /* input device */ |
| 93 | struct usb_device *udev; /* usb device */ |
| 94 | struct usb_interface *intf; |
| 95 | |
| 96 | /* irq input channel */ |
| 97 | struct cm109_ctl_packet *irq_data; |
| 98 | dma_addr_t irq_dma; |
| 99 | struct urb *urb_irq; |
| 100 | |
| 101 | /* control output channel */ |
| 102 | struct cm109_ctl_packet *ctl_data; |
| 103 | dma_addr_t ctl_dma; |
| 104 | struct usb_ctrlrequest *ctl_req; |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 105 | struct urb *urb_ctl; |
| 106 | /* |
| 107 | * The 3 bitfields below are protected by ctl_submit_lock. |
| 108 | * They have to be separate since they are accessed from IRQ |
| 109 | * context. |
| 110 | */ |
| 111 | unsigned irq_urb_pending:1; /* irq_urb is in flight */ |
| 112 | unsigned ctl_urb_pending:1; /* ctl_urb is in flight */ |
| 113 | unsigned buzzer_pending:1; /* need to issue buzz command */ |
| 114 | spinlock_t ctl_submit_lock; |
| 115 | |
| 116 | unsigned char buzzer_state; /* on/off */ |
| 117 | |
| 118 | /* flags */ |
| 119 | unsigned open:1; |
| 120 | unsigned resetting:1; |
| 121 | unsigned shutdown:1; |
| 122 | |
| 123 | /* This mutex protects writes to the above flags */ |
| 124 | struct mutex pm_mutex; |
| 125 | |
| 126 | unsigned short keymap[KEYMAP_SIZE]; |
| 127 | |
| 128 | char phys[64]; /* physical device path */ |
| 129 | int key_code; /* last reported key */ |
| 130 | int keybit; /* 0=new scan 1,2,4,8=scan columns */ |
| 131 | u8 gpi; /* Cached value of GPI (high nibble) */ |
| 132 | }; |
| 133 | |
| 134 | /****************************************************************************** |
| 135 | * CM109 key interface |
| 136 | *****************************************************************************/ |
| 137 | |
| 138 | static unsigned short special_keymap(int code) |
| 139 | { |
| 140 | if (code > 0xff) { |
| 141 | switch (code - 0xff) { |
| 142 | case RECORD_MUTE: return KEY_MUTE; |
| 143 | case PLAYBACK_MUTE: return KEY_MUTE; |
| 144 | case VOLUME_DOWN: return KEY_VOLUMEDOWN; |
| 145 | case VOLUME_UP: return KEY_VOLUMEUP; |
| 146 | } |
| 147 | } |
| 148 | return KEY_RESERVED; |
| 149 | } |
| 150 | |
| 151 | /* Map device buttons to internal key events. |
| 152 | * |
| 153 | * The "up" and "down" keys, are symbolised by arrows on the button. |
| 154 | * The "pickup" and "hangup" keys are symbolised by a green and red phone |
| 155 | * on the button. |
| 156 | |
| 157 | Komunikate KIP1000 Keyboard Matrix |
| 158 | |
| 159 | -> -- 1 -- 2 -- 3 --> GPI pin 4 (0x10) |
| 160 | | | | | |
| 161 | <- -- 4 -- 5 -- 6 --> GPI pin 5 (0x20) |
| 162 | | | | | |
| 163 | END - 7 -- 8 -- 9 --> GPI pin 6 (0x40) |
| 164 | | | | | |
| 165 | OK -- * -- 0 -- # --> GPI pin 7 (0x80) |
| 166 | | | | | |
| 167 | |
| 168 | /|\ /|\ /|\ /|\ |
| 169 | | | | | |
| 170 | GPO |
| 171 | pin: 3 2 1 0 |
| 172 | 0x8 0x4 0x2 0x1 |
| 173 | |
| 174 | */ |
| 175 | static unsigned short keymap_kip1000(int scancode) |
| 176 | { |
| 177 | switch (scancode) { /* phone key: */ |
| 178 | case 0x82: return KEY_NUMERIC_0; /* 0 */ |
| 179 | case 0x14: return KEY_NUMERIC_1; /* 1 */ |
| 180 | case 0x12: return KEY_NUMERIC_2; /* 2 */ |
| 181 | case 0x11: return KEY_NUMERIC_3; /* 3 */ |
| 182 | case 0x24: return KEY_NUMERIC_4; /* 4 */ |
| 183 | case 0x22: return KEY_NUMERIC_5; /* 5 */ |
| 184 | case 0x21: return KEY_NUMERIC_6; /* 6 */ |
| 185 | case 0x44: return KEY_NUMERIC_7; /* 7 */ |
| 186 | case 0x42: return KEY_NUMERIC_8; /* 8 */ |
| 187 | case 0x41: return KEY_NUMERIC_9; /* 9 */ |
| 188 | case 0x81: return KEY_NUMERIC_POUND; /* # */ |
| 189 | case 0x84: return KEY_NUMERIC_STAR; /* * */ |
| 190 | case 0x88: return KEY_ENTER; /* pickup */ |
| 191 | case 0x48: return KEY_ESC; /* hangup */ |
| 192 | case 0x28: return KEY_LEFT; /* IN */ |
| 193 | case 0x18: return KEY_RIGHT; /* OUT */ |
| 194 | default: return special_keymap(scancode); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | /* |
| 199 | Contributed by Shaun Jackman <sjackman@gmail.com> |
| 200 | |
| 201 | Genius G-Talk keyboard matrix |
| 202 | 0 1 2 3 |
| 203 | 4: 0 4 8 Talk |
| 204 | 5: 1 5 9 End |
| 205 | 6: 2 6 # Up |
| 206 | 7: 3 7 * Down |
| 207 | */ |
| 208 | static unsigned short keymap_gtalk(int scancode) |
| 209 | { |
| 210 | switch (scancode) { |
| 211 | case 0x11: return KEY_NUMERIC_0; |
| 212 | case 0x21: return KEY_NUMERIC_1; |
| 213 | case 0x41: return KEY_NUMERIC_2; |
| 214 | case 0x81: return KEY_NUMERIC_3; |
| 215 | case 0x12: return KEY_NUMERIC_4; |
| 216 | case 0x22: return KEY_NUMERIC_5; |
| 217 | case 0x42: return KEY_NUMERIC_6; |
| 218 | case 0x82: return KEY_NUMERIC_7; |
| 219 | case 0x14: return KEY_NUMERIC_8; |
| 220 | case 0x24: return KEY_NUMERIC_9; |
| 221 | case 0x44: return KEY_NUMERIC_POUND; /* # */ |
| 222 | case 0x84: return KEY_NUMERIC_STAR; /* * */ |
| 223 | case 0x18: return KEY_ENTER; /* Talk (green handset) */ |
| 224 | case 0x28: return KEY_ESC; /* End (red handset) */ |
| 225 | case 0x48: return KEY_UP; /* Menu up (rocker switch) */ |
| 226 | case 0x88: return KEY_DOWN; /* Menu down (rocker switch) */ |
| 227 | default: return special_keymap(scancode); |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | /* |
| 232 | * Keymap for Allied-Telesis Corega USBPH01 |
| 233 | * http://www.alliedtelesis-corega.com/2/1344/1437/1360/chprd.html |
| 234 | * |
| 235 | * Contributed by july@nat.bg |
| 236 | */ |
| 237 | static unsigned short keymap_usbph01(int scancode) |
| 238 | { |
| 239 | switch (scancode) { |
| 240 | case 0x11: return KEY_NUMERIC_0; /* 0 */ |
| 241 | case 0x21: return KEY_NUMERIC_1; /* 1 */ |
| 242 | case 0x41: return KEY_NUMERIC_2; /* 2 */ |
| 243 | case 0x81: return KEY_NUMERIC_3; /* 3 */ |
| 244 | case 0x12: return KEY_NUMERIC_4; /* 4 */ |
| 245 | case 0x22: return KEY_NUMERIC_5; /* 5 */ |
| 246 | case 0x42: return KEY_NUMERIC_6; /* 6 */ |
| 247 | case 0x82: return KEY_NUMERIC_7; /* 7 */ |
| 248 | case 0x14: return KEY_NUMERIC_8; /* 8 */ |
| 249 | case 0x24: return KEY_NUMERIC_9; /* 9 */ |
| 250 | case 0x44: return KEY_NUMERIC_POUND; /* # */ |
| 251 | case 0x84: return KEY_NUMERIC_STAR; /* * */ |
| 252 | case 0x18: return KEY_ENTER; /* pickup */ |
| 253 | case 0x28: return KEY_ESC; /* hangup */ |
| 254 | case 0x48: return KEY_LEFT; /* IN */ |
| 255 | case 0x88: return KEY_RIGHT; /* OUT */ |
| 256 | default: return special_keymap(scancode); |
| 257 | } |
| 258 | } |
| 259 | |
Daniel Gimpelevich | 734f0ba | 2008-11-11 13:57:30 -0500 | [diff] [blame] | 260 | /* |
| 261 | * Keymap for ATCom AU-100 |
Justin P. Mattock | 631dd1a | 2010-10-18 11:03:14 +0200 | [diff] [blame] | 262 | * http://www.atcom.cn/products.html |
Daniel Gimpelevich | 734f0ba | 2008-11-11 13:57:30 -0500 | [diff] [blame] | 263 | * http://www.packetizer.com/products/au100/ |
| 264 | * http://www.voip-info.org/wiki/view/AU-100 |
| 265 | * |
| 266 | * Contributed by daniel@gimpelevich.san-francisco.ca.us |
| 267 | */ |
| 268 | static unsigned short keymap_atcom(int scancode) |
| 269 | { |
| 270 | switch (scancode) { /* phone key: */ |
| 271 | case 0x82: return KEY_NUMERIC_0; /* 0 */ |
| 272 | case 0x11: return KEY_NUMERIC_1; /* 1 */ |
| 273 | case 0x12: return KEY_NUMERIC_2; /* 2 */ |
| 274 | case 0x14: return KEY_NUMERIC_3; /* 3 */ |
| 275 | case 0x21: return KEY_NUMERIC_4; /* 4 */ |
| 276 | case 0x22: return KEY_NUMERIC_5; /* 5 */ |
| 277 | case 0x24: return KEY_NUMERIC_6; /* 6 */ |
| 278 | case 0x41: return KEY_NUMERIC_7; /* 7 */ |
| 279 | case 0x42: return KEY_NUMERIC_8; /* 8 */ |
| 280 | case 0x44: return KEY_NUMERIC_9; /* 9 */ |
| 281 | case 0x84: return KEY_NUMERIC_POUND; /* # */ |
| 282 | case 0x81: return KEY_NUMERIC_STAR; /* * */ |
| 283 | case 0x18: return KEY_ENTER; /* pickup */ |
| 284 | case 0x28: return KEY_ESC; /* hangup */ |
| 285 | case 0x48: return KEY_LEFT; /* left arrow */ |
| 286 | case 0x88: return KEY_RIGHT; /* right arrow */ |
| 287 | default: return special_keymap(scancode); |
| 288 | } |
| 289 | } |
| 290 | |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 291 | static unsigned short (*keymap)(int) = keymap_kip1000; |
| 292 | |
| 293 | /* |
| 294 | * Completes a request by converting the data into events for the |
| 295 | * input subsystem. |
| 296 | */ |
| 297 | static void report_key(struct cm109_dev *dev, int key) |
| 298 | { |
| 299 | struct input_dev *idev = dev->idev; |
| 300 | |
| 301 | if (dev->key_code >= 0) { |
| 302 | /* old key up */ |
| 303 | input_report_key(idev, dev->key_code, 0); |
| 304 | } |
| 305 | |
| 306 | dev->key_code = key; |
| 307 | if (key >= 0) { |
| 308 | /* new valid key */ |
| 309 | input_report_key(idev, key, 1); |
| 310 | } |
| 311 | |
| 312 | input_sync(idev); |
| 313 | } |
| 314 | |
| 315 | /****************************************************************************** |
| 316 | * CM109 usb communication interface |
| 317 | *****************************************************************************/ |
| 318 | |
| 319 | static void cm109_submit_buzz_toggle(struct cm109_dev *dev) |
| 320 | { |
| 321 | int error; |
| 322 | |
| 323 | if (dev->buzzer_state) |
| 324 | dev->ctl_data->byte[HID_OR0] |= BUZZER_ON; |
| 325 | else |
| 326 | dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON; |
| 327 | |
| 328 | error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC); |
| 329 | if (error) |
Greg Kroah-Hartman | 388fd20 | 2012-05-01 20:56:38 -0400 | [diff] [blame] | 330 | dev_err(&dev->idev->dev, |
Greg Kroah-Hartman | 3f37d8e | 2012-04-25 14:48:25 -0700 | [diff] [blame] | 331 | "%s: usb_submit_urb (urb_ctl) failed %d\n", |
| 332 | __func__, error); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | /* |
| 336 | * IRQ handler |
| 337 | */ |
| 338 | static void cm109_urb_irq_callback(struct urb *urb) |
| 339 | { |
| 340 | struct cm109_dev *dev = urb->context; |
| 341 | const int status = urb->status; |
| 342 | int error; |
| 343 | |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 344 | dev_dbg(&urb->dev->dev, "### URB IRQ: [0x%02x 0x%02x 0x%02x 0x%02x] keybit=0x%02x\n", |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 345 | dev->irq_data->byte[0], |
| 346 | dev->irq_data->byte[1], |
| 347 | dev->irq_data->byte[2], |
| 348 | dev->irq_data->byte[3], |
| 349 | dev->keybit); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 350 | |
| 351 | if (status) { |
| 352 | if (status == -ESHUTDOWN) |
| 353 | return; |
Greg Kroah-Hartman | 388fd20 | 2012-05-01 20:56:38 -0400 | [diff] [blame] | 354 | dev_err(&dev->idev->dev, "%s: urb status %d\n", __func__, status); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | /* Special keys */ |
| 358 | if (dev->irq_data->byte[HID_IR0] & 0x0f) { |
| 359 | const int code = (dev->irq_data->byte[HID_IR0] & 0x0f); |
| 360 | report_key(dev, dev->keymap[0xff + code]); |
| 361 | } |
| 362 | |
| 363 | /* Scan key column */ |
| 364 | if (dev->keybit == 0xf) { |
| 365 | |
| 366 | /* Any changes ? */ |
| 367 | if ((dev->gpi & 0xf0) == (dev->irq_data->byte[HID_IR1] & 0xf0)) |
| 368 | goto out; |
| 369 | |
| 370 | dev->gpi = dev->irq_data->byte[HID_IR1] & 0xf0; |
| 371 | dev->keybit = 0x1; |
| 372 | } else { |
| 373 | report_key(dev, dev->keymap[dev->irq_data->byte[HID_IR1]]); |
| 374 | |
| 375 | dev->keybit <<= 1; |
| 376 | if (dev->keybit > 0x8) |
| 377 | dev->keybit = 0xf; |
| 378 | } |
| 379 | |
| 380 | out: |
| 381 | |
| 382 | spin_lock(&dev->ctl_submit_lock); |
| 383 | |
| 384 | dev->irq_urb_pending = 0; |
| 385 | |
| 386 | if (likely(!dev->shutdown)) { |
| 387 | |
| 388 | if (dev->buzzer_state) |
| 389 | dev->ctl_data->byte[HID_OR0] |= BUZZER_ON; |
| 390 | else |
| 391 | dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON; |
| 392 | |
| 393 | dev->ctl_data->byte[HID_OR1] = dev->keybit; |
| 394 | dev->ctl_data->byte[HID_OR2] = dev->keybit; |
| 395 | |
| 396 | dev->buzzer_pending = 0; |
| 397 | dev->ctl_urb_pending = 1; |
| 398 | |
| 399 | error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC); |
| 400 | if (error) |
Greg Kroah-Hartman | 388fd20 | 2012-05-01 20:56:38 -0400 | [diff] [blame] | 401 | dev_err(&dev->idev->dev, |
Greg Kroah-Hartman | 3f37d8e | 2012-04-25 14:48:25 -0700 | [diff] [blame] | 402 | "%s: usb_submit_urb (urb_ctl) failed %d\n", |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 403 | __func__, error); |
| 404 | } |
| 405 | |
| 406 | spin_unlock(&dev->ctl_submit_lock); |
| 407 | } |
| 408 | |
| 409 | static void cm109_urb_ctl_callback(struct urb *urb) |
| 410 | { |
| 411 | struct cm109_dev *dev = urb->context; |
| 412 | const int status = urb->status; |
| 413 | int error; |
| 414 | |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 415 | dev_dbg(&urb->dev->dev, "### URB CTL: [0x%02x 0x%02x 0x%02x 0x%02x]\n", |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 416 | dev->ctl_data->byte[0], |
| 417 | dev->ctl_data->byte[1], |
| 418 | dev->ctl_data->byte[2], |
| 419 | dev->ctl_data->byte[3]); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 420 | |
| 421 | if (status) |
Greg Kroah-Hartman | 388fd20 | 2012-05-01 20:56:38 -0400 | [diff] [blame] | 422 | dev_err(&dev->idev->dev, "%s: urb status %d\n", __func__, status); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 423 | |
| 424 | spin_lock(&dev->ctl_submit_lock); |
| 425 | |
| 426 | dev->ctl_urb_pending = 0; |
| 427 | |
| 428 | if (likely(!dev->shutdown)) { |
| 429 | |
| 430 | if (dev->buzzer_pending) { |
| 431 | dev->buzzer_pending = 0; |
| 432 | dev->ctl_urb_pending = 1; |
| 433 | cm109_submit_buzz_toggle(dev); |
| 434 | } else if (likely(!dev->irq_urb_pending)) { |
| 435 | /* ask for key data */ |
| 436 | dev->irq_urb_pending = 1; |
| 437 | error = usb_submit_urb(dev->urb_irq, GFP_ATOMIC); |
| 438 | if (error) |
Greg Kroah-Hartman | 388fd20 | 2012-05-01 20:56:38 -0400 | [diff] [blame] | 439 | dev_err(&dev->idev->dev, |
Greg Kroah-Hartman | 3f37d8e | 2012-04-25 14:48:25 -0700 | [diff] [blame] | 440 | "%s: usb_submit_urb (urb_irq) failed %d\n", |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 441 | __func__, error); |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | spin_unlock(&dev->ctl_submit_lock); |
| 446 | } |
| 447 | |
| 448 | static void cm109_toggle_buzzer_async(struct cm109_dev *dev) |
| 449 | { |
| 450 | unsigned long flags; |
| 451 | |
| 452 | spin_lock_irqsave(&dev->ctl_submit_lock, flags); |
| 453 | |
| 454 | if (dev->ctl_urb_pending) { |
| 455 | /* URB completion will resubmit */ |
| 456 | dev->buzzer_pending = 1; |
| 457 | } else { |
| 458 | dev->ctl_urb_pending = 1; |
| 459 | cm109_submit_buzz_toggle(dev); |
| 460 | } |
| 461 | |
| 462 | spin_unlock_irqrestore(&dev->ctl_submit_lock, flags); |
| 463 | } |
| 464 | |
| 465 | static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on) |
| 466 | { |
| 467 | int error; |
| 468 | |
| 469 | if (on) |
| 470 | dev->ctl_data->byte[HID_OR0] |= BUZZER_ON; |
| 471 | else |
| 472 | dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON; |
| 473 | |
| 474 | error = usb_control_msg(dev->udev, |
| 475 | usb_sndctrlpipe(dev->udev, 0), |
| 476 | dev->ctl_req->bRequest, |
| 477 | dev->ctl_req->bRequestType, |
| 478 | le16_to_cpu(dev->ctl_req->wValue), |
| 479 | le16_to_cpu(dev->ctl_req->wIndex), |
| 480 | dev->ctl_data, |
| 481 | USB_PKT_LEN, USB_CTRL_SET_TIMEOUT); |
axel lin | 7b727ac | 2011-08-25 09:42:09 -0700 | [diff] [blame] | 482 | if (error < 0 && error != -EINTR) |
Greg Kroah-Hartman | 388fd20 | 2012-05-01 20:56:38 -0400 | [diff] [blame] | 483 | dev_err(&dev->idev->dev, "%s: usb_control_msg() failed %d\n", |
Greg Kroah-Hartman | 3f37d8e | 2012-04-25 14:48:25 -0700 | [diff] [blame] | 484 | __func__, error); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | static void cm109_stop_traffic(struct cm109_dev *dev) |
| 488 | { |
| 489 | dev->shutdown = 1; |
| 490 | /* |
| 491 | * Make sure other CPUs see this |
| 492 | */ |
| 493 | smp_wmb(); |
| 494 | |
| 495 | usb_kill_urb(dev->urb_ctl); |
| 496 | usb_kill_urb(dev->urb_irq); |
| 497 | |
| 498 | cm109_toggle_buzzer_sync(dev, 0); |
| 499 | |
| 500 | dev->shutdown = 0; |
| 501 | smp_wmb(); |
| 502 | } |
| 503 | |
| 504 | static void cm109_restore_state(struct cm109_dev *dev) |
| 505 | { |
| 506 | if (dev->open) { |
| 507 | /* |
| 508 | * Restore buzzer state. |
| 509 | * This will also kick regular URB submission |
| 510 | */ |
| 511 | cm109_toggle_buzzer_async(dev); |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | /****************************************************************************** |
| 516 | * input event interface |
| 517 | *****************************************************************************/ |
| 518 | |
| 519 | static int cm109_input_open(struct input_dev *idev) |
| 520 | { |
| 521 | struct cm109_dev *dev = input_get_drvdata(idev); |
| 522 | int error; |
| 523 | |
| 524 | error = usb_autopm_get_interface(dev->intf); |
| 525 | if (error < 0) { |
Greg Kroah-Hartman | 3f37d8e | 2012-04-25 14:48:25 -0700 | [diff] [blame] | 526 | dev_err(&idev->dev, "%s - cannot autoresume, result %d\n", |
| 527 | __func__, error); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 528 | return error; |
| 529 | } |
| 530 | |
| 531 | mutex_lock(&dev->pm_mutex); |
| 532 | |
| 533 | dev->buzzer_state = 0; |
| 534 | dev->key_code = -1; /* no keys pressed */ |
| 535 | dev->keybit = 0xf; |
| 536 | |
| 537 | /* issue INIT */ |
| 538 | dev->ctl_data->byte[HID_OR0] = HID_OR_GPO_BUZ_SPDIF; |
| 539 | dev->ctl_data->byte[HID_OR1] = dev->keybit; |
| 540 | dev->ctl_data->byte[HID_OR2] = dev->keybit; |
| 541 | dev->ctl_data->byte[HID_OR3] = 0x00; |
| 542 | |
| 543 | error = usb_submit_urb(dev->urb_ctl, GFP_KERNEL); |
| 544 | if (error) |
Greg Kroah-Hartman | 3f37d8e | 2012-04-25 14:48:25 -0700 | [diff] [blame] | 545 | dev_err(&idev->dev, "%s: usb_submit_urb (urb_ctl) failed %d\n", |
| 546 | __func__, error); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 547 | else |
| 548 | dev->open = 1; |
| 549 | |
| 550 | mutex_unlock(&dev->pm_mutex); |
| 551 | |
| 552 | if (error) |
| 553 | usb_autopm_put_interface(dev->intf); |
| 554 | |
| 555 | return error; |
| 556 | } |
| 557 | |
| 558 | static void cm109_input_close(struct input_dev *idev) |
| 559 | { |
| 560 | struct cm109_dev *dev = input_get_drvdata(idev); |
| 561 | |
| 562 | mutex_lock(&dev->pm_mutex); |
| 563 | |
| 564 | /* |
| 565 | * Once we are here event delivery is stopped so we |
| 566 | * don't need to worry about someone starting buzzer |
| 567 | * again |
| 568 | */ |
| 569 | cm109_stop_traffic(dev); |
| 570 | dev->open = 0; |
| 571 | |
| 572 | mutex_unlock(&dev->pm_mutex); |
| 573 | |
| 574 | usb_autopm_put_interface(dev->intf); |
| 575 | } |
| 576 | |
| 577 | static int cm109_input_ev(struct input_dev *idev, unsigned int type, |
| 578 | unsigned int code, int value) |
| 579 | { |
| 580 | struct cm109_dev *dev = input_get_drvdata(idev); |
| 581 | |
Stephen Rothwell | 67d4764 | 2008-08-22 16:33:18 -0400 | [diff] [blame] | 582 | dev_dbg(&dev->udev->dev, |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 583 | "input_ev: type=%u code=%u value=%d\n", type, code, value); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 584 | |
| 585 | if (type != EV_SND) |
| 586 | return -EINVAL; |
| 587 | |
| 588 | switch (code) { |
| 589 | case SND_TONE: |
| 590 | case SND_BELL: |
| 591 | dev->buzzer_state = !!value; |
| 592 | if (!dev->resetting) |
| 593 | cm109_toggle_buzzer_async(dev); |
| 594 | return 0; |
| 595 | |
| 596 | default: |
| 597 | return -EINVAL; |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | |
| 602 | /****************************************************************************** |
| 603 | * Linux interface and usb initialisation |
| 604 | *****************************************************************************/ |
| 605 | |
| 606 | struct driver_info { |
| 607 | char *name; |
| 608 | }; |
| 609 | |
| 610 | static const struct driver_info info_cm109 = { |
| 611 | .name = "CM109 USB driver", |
| 612 | }; |
| 613 | |
| 614 | enum { |
| 615 | VENDOR_ID = 0x0d8c, /* C-Media Electronics */ |
| 616 | PRODUCT_ID_CM109 = 0x000e, /* CM109 defines range 0x0008 - 0x000f */ |
| 617 | }; |
| 618 | |
| 619 | /* table of devices that work with this driver */ |
| 620 | static const struct usb_device_id cm109_usb_table[] = { |
| 621 | { |
| 622 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE | |
| 623 | USB_DEVICE_ID_MATCH_INT_INFO, |
| 624 | .idVendor = VENDOR_ID, |
| 625 | .idProduct = PRODUCT_ID_CM109, |
| 626 | .bInterfaceClass = USB_CLASS_HID, |
| 627 | .bInterfaceSubClass = 0, |
| 628 | .bInterfaceProtocol = 0, |
| 629 | .driver_info = (kernel_ulong_t) &info_cm109 |
| 630 | }, |
| 631 | /* you can add more devices here with product ID 0x0008 - 0x000f */ |
| 632 | { } |
| 633 | }; |
| 634 | |
| 635 | static void cm109_usb_cleanup(struct cm109_dev *dev) |
| 636 | { |
Alan Stern | 0ede76f | 2010-03-05 15:10:17 -0500 | [diff] [blame] | 637 | kfree(dev->ctl_req); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 638 | if (dev->ctl_data) |
Daniel Mack | 997ea58 | 2010-04-12 13:17:25 +0200 | [diff] [blame] | 639 | usb_free_coherent(dev->udev, USB_PKT_LEN, |
| 640 | dev->ctl_data, dev->ctl_dma); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 641 | if (dev->irq_data) |
Daniel Mack | 997ea58 | 2010-04-12 13:17:25 +0200 | [diff] [blame] | 642 | usb_free_coherent(dev->udev, USB_PKT_LEN, |
| 643 | dev->irq_data, dev->irq_dma); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 644 | |
| 645 | usb_free_urb(dev->urb_irq); /* parameter validation in core/urb */ |
| 646 | usb_free_urb(dev->urb_ctl); /* parameter validation in core/urb */ |
| 647 | kfree(dev); |
| 648 | } |
| 649 | |
| 650 | static void cm109_usb_disconnect(struct usb_interface *interface) |
| 651 | { |
| 652 | struct cm109_dev *dev = usb_get_intfdata(interface); |
| 653 | |
| 654 | usb_set_intfdata(interface, NULL); |
| 655 | input_unregister_device(dev->idev); |
| 656 | cm109_usb_cleanup(dev); |
| 657 | } |
| 658 | |
| 659 | static int cm109_usb_probe(struct usb_interface *intf, |
| 660 | const struct usb_device_id *id) |
| 661 | { |
| 662 | struct usb_device *udev = interface_to_usbdev(intf); |
| 663 | struct driver_info *nfo = (struct driver_info *)id->driver_info; |
| 664 | struct usb_host_interface *interface; |
| 665 | struct usb_endpoint_descriptor *endpoint; |
| 666 | struct cm109_dev *dev; |
| 667 | struct input_dev *input_dev = NULL; |
| 668 | int ret, pipe, i; |
| 669 | int error = -ENOMEM; |
| 670 | |
| 671 | interface = intf->cur_altsetting; |
| 672 | endpoint = &interface->endpoint[0].desc; |
| 673 | |
| 674 | if (!usb_endpoint_is_int_in(endpoint)) |
| 675 | return -ENODEV; |
| 676 | |
| 677 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| 678 | if (!dev) |
| 679 | return -ENOMEM; |
| 680 | |
| 681 | spin_lock_init(&dev->ctl_submit_lock); |
| 682 | mutex_init(&dev->pm_mutex); |
| 683 | |
| 684 | dev->udev = udev; |
| 685 | dev->intf = intf; |
| 686 | |
| 687 | dev->idev = input_dev = input_allocate_device(); |
| 688 | if (!input_dev) |
| 689 | goto err_out; |
| 690 | |
| 691 | /* allocate usb buffers */ |
Daniel Mack | 997ea58 | 2010-04-12 13:17:25 +0200 | [diff] [blame] | 692 | dev->irq_data = usb_alloc_coherent(udev, USB_PKT_LEN, |
| 693 | GFP_KERNEL, &dev->irq_dma); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 694 | if (!dev->irq_data) |
| 695 | goto err_out; |
| 696 | |
Daniel Mack | 997ea58 | 2010-04-12 13:17:25 +0200 | [diff] [blame] | 697 | dev->ctl_data = usb_alloc_coherent(udev, USB_PKT_LEN, |
| 698 | GFP_KERNEL, &dev->ctl_dma); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 699 | if (!dev->ctl_data) |
| 700 | goto err_out; |
| 701 | |
Alan Stern | 0ede76f | 2010-03-05 15:10:17 -0500 | [diff] [blame] | 702 | dev->ctl_req = kmalloc(sizeof(*(dev->ctl_req)), GFP_KERNEL); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 703 | if (!dev->ctl_req) |
| 704 | goto err_out; |
| 705 | |
| 706 | /* allocate urb structures */ |
| 707 | dev->urb_irq = usb_alloc_urb(0, GFP_KERNEL); |
| 708 | if (!dev->urb_irq) |
| 709 | goto err_out; |
| 710 | |
| 711 | dev->urb_ctl = usb_alloc_urb(0, GFP_KERNEL); |
| 712 | if (!dev->urb_ctl) |
| 713 | goto err_out; |
| 714 | |
| 715 | /* get a handle to the interrupt data pipe */ |
| 716 | pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress); |
| 717 | ret = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); |
| 718 | if (ret != USB_PKT_LEN) |
Greg Kroah-Hartman | 3f37d8e | 2012-04-25 14:48:25 -0700 | [diff] [blame] | 719 | dev_err(&intf->dev, "invalid payload size %d, expected %d\n", |
| 720 | ret, USB_PKT_LEN); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 721 | |
| 722 | /* initialise irq urb */ |
| 723 | usb_fill_int_urb(dev->urb_irq, udev, pipe, dev->irq_data, |
| 724 | USB_PKT_LEN, |
| 725 | cm109_urb_irq_callback, dev, endpoint->bInterval); |
| 726 | dev->urb_irq->transfer_dma = dev->irq_dma; |
| 727 | dev->urb_irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; |
| 728 | dev->urb_irq->dev = udev; |
| 729 | |
| 730 | /* initialise ctl urb */ |
| 731 | dev->ctl_req->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | |
| 732 | USB_DIR_OUT; |
| 733 | dev->ctl_req->bRequest = USB_REQ_SET_CONFIGURATION; |
| 734 | dev->ctl_req->wValue = cpu_to_le16(0x200); |
| 735 | dev->ctl_req->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber); |
| 736 | dev->ctl_req->wLength = cpu_to_le16(USB_PKT_LEN); |
| 737 | |
| 738 | usb_fill_control_urb(dev->urb_ctl, udev, usb_sndctrlpipe(udev, 0), |
| 739 | (void *)dev->ctl_req, dev->ctl_data, USB_PKT_LEN, |
| 740 | cm109_urb_ctl_callback, dev); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 741 | dev->urb_ctl->transfer_dma = dev->ctl_dma; |
Alan Stern | 0ede76f | 2010-03-05 15:10:17 -0500 | [diff] [blame] | 742 | dev->urb_ctl->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 743 | dev->urb_ctl->dev = udev; |
| 744 | |
| 745 | /* find out the physical bus location */ |
| 746 | usb_make_path(udev, dev->phys, sizeof(dev->phys)); |
| 747 | strlcat(dev->phys, "/input0", sizeof(dev->phys)); |
| 748 | |
| 749 | /* register settings for the input device */ |
| 750 | input_dev->name = nfo->name; |
| 751 | input_dev->phys = dev->phys; |
| 752 | usb_to_input_id(udev, &input_dev->id); |
| 753 | input_dev->dev.parent = &intf->dev; |
| 754 | |
| 755 | input_set_drvdata(input_dev, dev); |
| 756 | input_dev->open = cm109_input_open; |
| 757 | input_dev->close = cm109_input_close; |
| 758 | input_dev->event = cm109_input_ev; |
| 759 | |
| 760 | input_dev->keycode = dev->keymap; |
| 761 | input_dev->keycodesize = sizeof(unsigned char); |
| 762 | input_dev->keycodemax = ARRAY_SIZE(dev->keymap); |
| 763 | |
| 764 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_SND); |
| 765 | input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); |
| 766 | |
| 767 | /* register available key events */ |
| 768 | for (i = 0; i < KEYMAP_SIZE; i++) { |
| 769 | unsigned short k = keymap(i); |
| 770 | dev->keymap[i] = k; |
| 771 | __set_bit(k, input_dev->keybit); |
| 772 | } |
| 773 | __clear_bit(KEY_RESERVED, input_dev->keybit); |
| 774 | |
| 775 | error = input_register_device(dev->idev); |
| 776 | if (error) |
| 777 | goto err_out; |
| 778 | |
| 779 | usb_set_intfdata(intf, dev); |
| 780 | |
| 781 | return 0; |
| 782 | |
| 783 | err_out: |
| 784 | input_free_device(input_dev); |
| 785 | cm109_usb_cleanup(dev); |
| 786 | return error; |
| 787 | } |
| 788 | |
| 789 | static int cm109_usb_suspend(struct usb_interface *intf, pm_message_t message) |
| 790 | { |
| 791 | struct cm109_dev *dev = usb_get_intfdata(intf); |
| 792 | |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 793 | dev_info(&intf->dev, "cm109: usb_suspend (event=%d)\n", message.event); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 794 | |
| 795 | mutex_lock(&dev->pm_mutex); |
| 796 | cm109_stop_traffic(dev); |
| 797 | mutex_unlock(&dev->pm_mutex); |
| 798 | |
| 799 | return 0; |
| 800 | } |
| 801 | |
| 802 | static int cm109_usb_resume(struct usb_interface *intf) |
| 803 | { |
| 804 | struct cm109_dev *dev = usb_get_intfdata(intf); |
| 805 | |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 806 | dev_info(&intf->dev, "cm109: usb_resume\n"); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 807 | |
| 808 | mutex_lock(&dev->pm_mutex); |
| 809 | cm109_restore_state(dev); |
| 810 | mutex_unlock(&dev->pm_mutex); |
| 811 | |
| 812 | return 0; |
| 813 | } |
| 814 | |
| 815 | static int cm109_usb_pre_reset(struct usb_interface *intf) |
| 816 | { |
| 817 | struct cm109_dev *dev = usb_get_intfdata(intf); |
| 818 | |
| 819 | mutex_lock(&dev->pm_mutex); |
| 820 | |
| 821 | /* |
| 822 | * Make sure input events don't try to toggle buzzer |
| 823 | * while we are resetting |
| 824 | */ |
| 825 | dev->resetting = 1; |
| 826 | smp_wmb(); |
| 827 | |
| 828 | cm109_stop_traffic(dev); |
| 829 | |
| 830 | return 0; |
| 831 | } |
| 832 | |
| 833 | static int cm109_usb_post_reset(struct usb_interface *intf) |
| 834 | { |
| 835 | struct cm109_dev *dev = usb_get_intfdata(intf); |
| 836 | |
| 837 | dev->resetting = 0; |
| 838 | smp_wmb(); |
| 839 | |
| 840 | cm109_restore_state(dev); |
| 841 | |
| 842 | mutex_unlock(&dev->pm_mutex); |
| 843 | |
| 844 | return 0; |
| 845 | } |
| 846 | |
| 847 | static struct usb_driver cm109_driver = { |
| 848 | .name = "cm109", |
| 849 | .probe = cm109_usb_probe, |
| 850 | .disconnect = cm109_usb_disconnect, |
| 851 | .suspend = cm109_usb_suspend, |
| 852 | .resume = cm109_usb_resume, |
| 853 | .reset_resume = cm109_usb_resume, |
| 854 | .pre_reset = cm109_usb_pre_reset, |
| 855 | .post_reset = cm109_usb_post_reset, |
| 856 | .id_table = cm109_usb_table, |
| 857 | .supports_autosuspend = 1, |
| 858 | }; |
| 859 | |
| 860 | static int __init cm109_select_keymap(void) |
| 861 | { |
| 862 | /* Load the phone keymap */ |
| 863 | if (!strcasecmp(phone, "kip1000")) { |
| 864 | keymap = keymap_kip1000; |
Stephen Rothwell | 67d4764 | 2008-08-22 16:33:18 -0400 | [diff] [blame] | 865 | printk(KERN_INFO KBUILD_MODNAME ": " |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 866 | "Keymap for Komunikate KIP1000 phone loaded\n"); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 867 | } else if (!strcasecmp(phone, "gtalk")) { |
| 868 | keymap = keymap_gtalk; |
Stephen Rothwell | 67d4764 | 2008-08-22 16:33:18 -0400 | [diff] [blame] | 869 | printk(KERN_INFO KBUILD_MODNAME ": " |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 870 | "Keymap for Genius G-talk phone loaded\n"); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 871 | } else if (!strcasecmp(phone, "usbph01")) { |
| 872 | keymap = keymap_usbph01; |
Stephen Rothwell | 67d4764 | 2008-08-22 16:33:18 -0400 | [diff] [blame] | 873 | printk(KERN_INFO KBUILD_MODNAME ": " |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 874 | "Keymap for Allied-Telesis Corega USBPH01 phone loaded\n"); |
Daniel Gimpelevich | 734f0ba | 2008-11-11 13:57:30 -0500 | [diff] [blame] | 875 | } else if (!strcasecmp(phone, "atcom")) { |
| 876 | keymap = keymap_atcom; |
| 877 | printk(KERN_INFO KBUILD_MODNAME ": " |
| 878 | "Keymap for ATCom AU-100 phone loaded\n"); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 879 | } else { |
Stephen Rothwell | 67d4764 | 2008-08-22 16:33:18 -0400 | [diff] [blame] | 880 | printk(KERN_ERR KBUILD_MODNAME ": " |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 881 | "Unsupported phone: %s\n", phone); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 882 | return -EINVAL; |
| 883 | } |
| 884 | |
| 885 | return 0; |
| 886 | } |
| 887 | |
| 888 | static int __init cm109_init(void) |
| 889 | { |
| 890 | int err; |
| 891 | |
| 892 | err = cm109_select_keymap(); |
| 893 | if (err) |
| 894 | return err; |
| 895 | |
| 896 | err = usb_register(&cm109_driver); |
| 897 | if (err) |
| 898 | return err; |
| 899 | |
Stephen Rothwell | 67d4764 | 2008-08-22 16:33:18 -0400 | [diff] [blame] | 900 | printk(KERN_INFO KBUILD_MODNAME ": " |
Daniel Gimpelevich | 2d517ca | 2008-10-09 00:44:47 -0400 | [diff] [blame] | 901 | DRIVER_DESC ": " DRIVER_VERSION " (C) " DRIVER_AUTHOR "\n"); |
Alfred E. Heggestad | c04148f | 2008-08-08 11:49:08 -0400 | [diff] [blame] | 902 | |
| 903 | return 0; |
| 904 | } |
| 905 | |
| 906 | static void __exit cm109_exit(void) |
| 907 | { |
| 908 | usb_deregister(&cm109_driver); |
| 909 | } |
| 910 | |
| 911 | module_init(cm109_init); |
| 912 | module_exit(cm109_exit); |
| 913 | |
| 914 | MODULE_DEVICE_TABLE(usb, cm109_usb_table); |
| 915 | |
| 916 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 917 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 918 | MODULE_LICENSE("GPL"); |