diff options
Diffstat (limited to 'drivers/usb/misc/phidgetkit.c')
| -rw-r--r-- | drivers/usb/misc/phidgetkit.c | 740 |
1 files changed, 0 insertions, 740 deletions
diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c deleted file mode 100644 index cc8e0a926f99..000000000000 --- a/drivers/usb/misc/phidgetkit.c +++ /dev/null | |||
| @@ -1,740 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * USB PhidgetInterfaceKit driver 1.0 | ||
| 3 | * | ||
| 4 | * Copyright (C) 2004, 2006 Sean Young <sean@mess.org> | ||
| 5 | * Copyright (C) 2005 Daniel Saakes <daniel@saakes.net> | ||
| 6 | * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com> | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License as published by | ||
| 10 | * the Free Software Foundation; either version 2 of the License, or | ||
| 11 | * (at your option) any later version. | ||
| 12 | * | ||
| 13 | * This is a driver for the USB PhidgetInterfaceKit. | ||
| 14 | */ | ||
| 15 | |||
| 16 | #include <linux/kernel.h> | ||
| 17 | #include <linux/errno.h> | ||
| 18 | #include <linux/init.h> | ||
| 19 | #include <linux/slab.h> | ||
| 20 | #include <linux/module.h> | ||
| 21 | #include <linux/usb.h> | ||
| 22 | |||
| 23 | #include "phidget.h" | ||
| 24 | |||
| 25 | #define DRIVER_AUTHOR "Sean Young <sean@mess.org>" | ||
| 26 | #define DRIVER_DESC "USB PhidgetInterfaceKit Driver" | ||
| 27 | |||
| 28 | #define USB_VENDOR_ID_GLAB 0x06c2 | ||
| 29 | #define USB_DEVICE_ID_INTERFACEKIT004 0x0040 | ||
| 30 | #define USB_DEVICE_ID_INTERFACEKIT01616 0x0044 | ||
| 31 | #define USB_DEVICE_ID_INTERFACEKIT888 0x0045 | ||
| 32 | #define USB_DEVICE_ID_INTERFACEKIT047 0x0051 | ||
| 33 | #define USB_DEVICE_ID_INTERFACEKIT088 0x0053 | ||
| 34 | |||
| 35 | #define USB_VENDOR_ID_WISEGROUP 0x0925 | ||
| 36 | #define USB_DEVICE_ID_INTERFACEKIT884 0x8201 | ||
| 37 | |||
| 38 | #define MAX_INTERFACES 16 | ||
| 39 | |||
| 40 | #define URB_INT_SIZE 8 | ||
| 41 | |||
| 42 | struct driver_interfacekit { | ||
| 43 | int sensors; | ||
| 44 | int inputs; | ||
| 45 | int outputs; | ||
| 46 | int has_lcd; | ||
| 47 | int amnesiac; | ||
| 48 | }; | ||
| 49 | |||
| 50 | #define ifkit(_sensors, _inputs, _outputs, _lcd, _amnesiac) \ | ||
| 51 | { \ | ||
| 52 | .sensors = _sensors, \ | ||
| 53 | .inputs = _inputs, \ | ||
| 54 | .outputs = _outputs, \ | ||
| 55 | .has_lcd = _lcd, \ | ||
| 56 | .amnesiac = _amnesiac \ | ||
| 57 | }; | ||
| 58 | |||
| 59 | static const struct driver_interfacekit ph_004 = ifkit(0, 0, 4, 0, 0); | ||
| 60 | static const struct driver_interfacekit ph_888n = ifkit(8, 8, 8, 0, 1); | ||
| 61 | static const struct driver_interfacekit ph_888o = ifkit(8, 8, 8, 0, 0); | ||
| 62 | static const struct driver_interfacekit ph_047 = ifkit(0, 4, 7, 1, 0); | ||
| 63 | static const struct driver_interfacekit ph_884 = ifkit(8, 8, 4, 0, 0); | ||
| 64 | static const struct driver_interfacekit ph_088 = ifkit(0, 8, 8, 1, 0); | ||
| 65 | static const struct driver_interfacekit ph_01616 = ifkit(0, 16, 16, 0, 0); | ||
| 66 | |||
| 67 | static unsigned long device_no; | ||
| 68 | |||
| 69 | struct interfacekit { | ||
| 70 | struct usb_device *udev; | ||
| 71 | struct usb_interface *intf; | ||
| 72 | struct driver_interfacekit *ifkit; | ||
| 73 | struct device *dev; | ||
| 74 | unsigned long outputs; | ||
| 75 | int dev_no; | ||
| 76 | u8 inputs[MAX_INTERFACES]; | ||
| 77 | u16 sensors[MAX_INTERFACES]; | ||
| 78 | u8 lcd_files_on; | ||
| 79 | |||
| 80 | struct urb *irq; | ||
| 81 | unsigned char *data; | ||
| 82 | dma_addr_t data_dma; | ||
| 83 | |||
| 84 | struct delayed_work do_notify; | ||
| 85 | struct delayed_work do_resubmit; | ||
| 86 | unsigned long input_events; | ||
| 87 | unsigned long sensor_events; | ||
| 88 | }; | ||
| 89 | |||
| 90 | static struct usb_device_id id_table[] = { | ||
| 91 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004), | ||
| 92 | .driver_info = (kernel_ulong_t)&ph_004}, | ||
| 93 | {USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0, 0x814), | ||
| 94 | .driver_info = (kernel_ulong_t)&ph_888o}, | ||
| 95 | {USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0x0815, 0xffff), | ||
| 96 | .driver_info = (kernel_ulong_t)&ph_888n}, | ||
| 97 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047), | ||
| 98 | .driver_info = (kernel_ulong_t)&ph_047}, | ||
| 99 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088), | ||
| 100 | .driver_info = (kernel_ulong_t)&ph_088}, | ||
| 101 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT01616), | ||
| 102 | .driver_info = (kernel_ulong_t)&ph_01616}, | ||
| 103 | {USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884), | ||
| 104 | .driver_info = (kernel_ulong_t)&ph_884}, | ||
| 105 | {} | ||
| 106 | }; | ||
| 107 | MODULE_DEVICE_TABLE(usb, id_table); | ||
| 108 | |||
| 109 | static int set_outputs(struct interfacekit *kit) | ||
| 110 | { | ||
| 111 | u8 *buffer; | ||
| 112 | int retval; | ||
| 113 | |||
| 114 | buffer = kzalloc(4, GFP_KERNEL); | ||
| 115 | if (!buffer) { | ||
| 116 | dev_err(&kit->udev->dev, "%s - out of memory\n", __func__); | ||
| 117 | return -ENOMEM; | ||
| 118 | } | ||
| 119 | buffer[0] = (u8)kit->outputs; | ||
| 120 | buffer[1] = (u8)(kit->outputs >> 8); | ||
| 121 | |||
| 122 | dev_dbg(&kit->udev->dev, "sending data: 0x%04x\n", (u16)kit->outputs); | ||
| 123 | |||
| 124 | retval = usb_control_msg(kit->udev, | ||
| 125 | usb_sndctrlpipe(kit->udev, 0), | ||
| 126 | 0x09, 0x21, 0x0200, 0x0000, buffer, 4, 2000); | ||
| 127 | |||
| 128 | if (retval != 4) | ||
| 129 | dev_err(&kit->udev->dev, "usb_control_msg returned %d\n", | ||
| 130 | retval); | ||
| 131 | kfree(buffer); | ||
| 132 | |||
| 133 | if (kit->ifkit->amnesiac) | ||
| 134 | schedule_delayed_work(&kit->do_resubmit, HZ / 2); | ||
| 135 | |||
| 136 | return retval < 0 ? retval : 0; | ||
| 137 | } | ||
| 138 | |||
| 139 | static int change_string(struct interfacekit *kit, const char *display, unsigned char row) | ||
| 140 | { | ||
| 141 | unsigned char *buffer; | ||
| 142 | unsigned char *form_buffer; | ||
| 143 | int retval = -ENOMEM; | ||
| 144 | int i,j, len, buf_ptr; | ||
| 145 | |||
| 146 | buffer = kmalloc(8, GFP_KERNEL); | ||
| 147 | form_buffer = kmalloc(30, GFP_KERNEL); | ||
| 148 | if ((!buffer) || (!form_buffer)) { | ||
| 149 | dev_err(&kit->udev->dev, "%s - out of memory\n", __func__); | ||
| 150 | goto exit; | ||
| 151 | } | ||
| 152 | |||
| 153 | len = strlen(display); | ||
| 154 | if (len > 20) | ||
| 155 | len = 20; | ||
| 156 | |||
| 157 | dev_dbg(&kit->udev->dev, "Setting LCD line %d to %s\n", row, display); | ||
| 158 | |||
| 159 | form_buffer[0] = row * 0x40 + 0x80; | ||
| 160 | form_buffer[1] = 0x02; | ||
| 161 | buf_ptr = 2; | ||
| 162 | for (i = 0; i<len; i++) | ||
| 163 | form_buffer[buf_ptr++] = display[i]; | ||
| 164 | |||
| 165 | for (i = 0; i < (20 - len); i++) | ||
| 166 | form_buffer[buf_ptr++] = 0x20; | ||
| 167 | form_buffer[buf_ptr++] = 0x01; | ||
| 168 | form_buffer[buf_ptr++] = row * 0x40 + 0x80 + strlen(display); | ||
| 169 | |||
| 170 | for (i = 0; i < buf_ptr; i += 7) { | ||
| 171 | if ((buf_ptr - i) > 7) | ||
| 172 | len = 7; | ||
| 173 | else | ||
| 174 | len = (buf_ptr - i); | ||
| 175 | for (j = 0; j < len; j++) | ||
| 176 | buffer[j] = form_buffer[i + j]; | ||
| 177 | buffer[7] = len; | ||
| 178 | |||
| 179 | retval = usb_control_msg(kit->udev, | ||
| 180 | usb_sndctrlpipe(kit->udev, 0), | ||
| 181 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | ||
| 182 | if (retval < 0) | ||
| 183 | goto exit; | ||
| 184 | } | ||
| 185 | |||
| 186 | retval = 0; | ||
| 187 | exit: | ||
| 188 | kfree(buffer); | ||
| 189 | kfree(form_buffer); | ||
| 190 | |||
| 191 | return retval; | ||
| 192 | } | ||
| 193 | |||
| 194 | #define set_lcd_line(number) \ | ||
| 195 | static ssize_t lcd_line_##number(struct device *dev, \ | ||
| 196 | struct device_attribute *attr, \ | ||
| 197 | const char *buf, size_t count) \ | ||
| 198 | { \ | ||
| 199 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
| 200 | change_string(kit, buf, number - 1); \ | ||
| 201 | return count; \ | ||
| 202 | } | ||
| 203 | |||
| 204 | #define lcd_line_attr(number) \ | ||
| 205 | __ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number) | ||
| 206 | |||
| 207 | set_lcd_line(1); | ||
| 208 | set_lcd_line(2); | ||
| 209 | |||
| 210 | static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | ||
| 211 | { | ||
| 212 | struct interfacekit *kit = dev_get_drvdata(dev); | ||
| 213 | int enabled; | ||
| 214 | unsigned char *buffer; | ||
| 215 | int retval = -ENOMEM; | ||
| 216 | |||
| 217 | buffer = kzalloc(8, GFP_KERNEL); | ||
| 218 | if (!buffer) { | ||
| 219 | dev_err(&kit->udev->dev, "%s - out of memory\n", __func__); | ||
| 220 | goto exit; | ||
| 221 | } | ||
| 222 | |||
| 223 | if (sscanf(buf, "%d", &enabled) < 1) { | ||
| 224 | retval = -EINVAL; | ||
| 225 | goto exit; | ||
| 226 | } | ||
| 227 | if (enabled) | ||
| 228 | buffer[0] = 0x01; | ||
| 229 | buffer[7] = 0x11; | ||
| 230 | |||
| 231 | dev_dbg(&kit->udev->dev, "Setting backlight to %s\n", enabled ? "on" : "off"); | ||
| 232 | |||
| 233 | retval = usb_control_msg(kit->udev, | ||
| 234 | usb_sndctrlpipe(kit->udev, 0), | ||
| 235 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | ||
| 236 | if (retval < 0) | ||
| 237 | goto exit; | ||
| 238 | |||
| 239 | retval = count; | ||
| 240 | exit: | ||
| 241 | kfree(buffer); | ||
| 242 | return retval; | ||
| 243 | } | ||
| 244 | |||
| 245 | static struct device_attribute dev_lcd_line_attrs[] = { | ||
| 246 | lcd_line_attr(1), | ||
| 247 | lcd_line_attr(2), | ||
| 248 | __ATTR(backlight, S_IWUGO, NULL, set_backlight) | ||
| 249 | }; | ||
| 250 | |||
| 251 | static void remove_lcd_files(struct interfacekit *kit) | ||
| 252 | { | ||
| 253 | int i; | ||
| 254 | |||
| 255 | if (kit->lcd_files_on) { | ||
| 256 | dev_dbg(&kit->udev->dev, "Removing lcd files\n"); | ||
| 257 | |||
| 258 | for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++) | ||
| 259 | device_remove_file(kit->dev, &dev_lcd_line_attrs[i]); | ||
| 260 | } | ||
| 261 | } | ||
| 262 | |||
| 263 | static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | ||
| 264 | { | ||
| 265 | struct interfacekit *kit = dev_get_drvdata(dev); | ||
| 266 | int enable; | ||
| 267 | int i, rc; | ||
| 268 | |||
| 269 | if (kit->ifkit->has_lcd == 0) | ||
| 270 | return -ENODEV; | ||
| 271 | |||
| 272 | if (sscanf(buf, "%d", &enable) < 1) | ||
| 273 | return -EINVAL; | ||
| 274 | |||
| 275 | if (enable) { | ||
| 276 | if (!kit->lcd_files_on) { | ||
| 277 | dev_dbg(&kit->udev->dev, "Adding lcd files\n"); | ||
| 278 | for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++) { | ||
| 279 | rc = device_create_file(kit->dev, | ||
| 280 | &dev_lcd_line_attrs[i]); | ||
| 281 | if (rc) | ||
| 282 | goto out; | ||
| 283 | } | ||
| 284 | kit->lcd_files_on = 1; | ||
| 285 | } | ||
| 286 | } else { | ||
| 287 | if (kit->lcd_files_on) { | ||
| 288 | remove_lcd_files(kit); | ||
| 289 | kit->lcd_files_on = 0; | ||
| 290 | } | ||
| 291 | } | ||
| 292 | |||
| 293 | return count; | ||
| 294 | out: | ||
| 295 | while (i-- > 0) | ||
| 296 | device_remove_file(kit->dev, &dev_lcd_line_attrs[i]); | ||
| 297 | |||
| 298 | return rc; | ||
| 299 | } | ||
| 300 | |||
| 301 | static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files); | ||
| 302 | |||
| 303 | static void interfacekit_irq(struct urb *urb) | ||
| 304 | { | ||
| 305 | struct interfacekit *kit = urb->context; | ||
| 306 | unsigned char *buffer = kit->data; | ||
| 307 | int i, level, sensor; | ||
| 308 | int retval; | ||
| 309 | int status = urb->status; | ||
| 310 | |||
| 311 | switch (status) { | ||
| 312 | case 0: /* success */ | ||
| 313 | break; | ||
| 314 | case -ECONNRESET: /* unlink */ | ||
| 315 | case -ENOENT: | ||
| 316 | case -ESHUTDOWN: | ||
| 317 | return; | ||
| 318 | /* -EPIPE: should clear the halt */ | ||
| 319 | default: /* error */ | ||
| 320 | goto resubmit; | ||
| 321 | } | ||
| 322 | |||
| 323 | /* digital inputs */ | ||
| 324 | if (kit->ifkit->inputs == 16) { | ||
| 325 | for (i=0; i < 8; i++) { | ||
| 326 | level = (buffer[0] >> i) & 1; | ||
| 327 | if (kit->inputs[i] != level) { | ||
| 328 | kit->inputs[i] = level; | ||
| 329 | set_bit(i, &kit->input_events); | ||
| 330 | } | ||
| 331 | level = (buffer[1] >> i) & 1; | ||
| 332 | if (kit->inputs[8 + i] != level) { | ||
| 333 | kit->inputs[8 + i] = level; | ||
| 334 | set_bit(8 + i, &kit->input_events); | ||
| 335 | } | ||
| 336 | } | ||
| 337 | } | ||
| 338 | else if (kit->ifkit->inputs == 8) { | ||
| 339 | for (i=0; i < 8; i++) { | ||
| 340 | level = (buffer[1] >> i) & 1; | ||
| 341 | if (kit->inputs[i] != level) { | ||
| 342 | kit->inputs[i] = level; | ||
| 343 | set_bit(i, &kit->input_events); | ||
| 344 | } | ||
| 345 | } | ||
| 346 | } | ||
| 347 | |||
| 348 | /* analog inputs */ | ||
| 349 | if (kit->ifkit->sensors) { | ||
| 350 | sensor = (buffer[0] & 1) ? 4 : 0; | ||
| 351 | |||
| 352 | level = buffer[2] + (buffer[3] & 0x0f) * 256; | ||
| 353 | if (level != kit->sensors[sensor]) { | ||
| 354 | kit->sensors[sensor] = level; | ||
| 355 | set_bit(sensor, &kit->sensor_events); | ||
| 356 | } | ||
| 357 | sensor++; | ||
| 358 | level = buffer[4] + (buffer[3] & 0xf0) * 16; | ||
| 359 | if (level != kit->sensors[sensor]) { | ||
| 360 | kit->sensors[sensor] = level; | ||
| 361 | set_bit(sensor, &kit->sensor_events); | ||
| 362 | } | ||
| 363 | sensor++; | ||
| 364 | level = buffer[5] + (buffer[6] & 0x0f) * 256; | ||
| 365 | if (level != kit->sensors[sensor]) { | ||
| 366 | kit->sensors[sensor] = level; | ||
| 367 | set_bit(sensor, &kit->sensor_events); | ||
| 368 | } | ||
| 369 | sensor++; | ||
| 370 | level = buffer[7] + (buffer[6] & 0xf0) * 16; | ||
| 371 | if (level != kit->sensors[sensor]) { | ||
| 372 | kit->sensors[sensor] = level; | ||
| 373 | set_bit(sensor, &kit->sensor_events); | ||
| 374 | } | ||
| 375 | } | ||
| 376 | |||
| 377 | if (kit->input_events || kit->sensor_events) | ||
| 378 | schedule_delayed_work(&kit->do_notify, 0); | ||
| 379 | |||
| 380 | resubmit: | ||
| 381 | retval = usb_submit_urb(urb, GFP_ATOMIC); | ||
| 382 | if (retval) | ||
| 383 | err("can't resubmit intr, %s-%s/interfacekit0, retval %d", | ||
| 384 | kit->udev->bus->bus_name, | ||
| 385 | kit->udev->devpath, retval); | ||
| 386 | } | ||
| 387 | |||
| 388 | static void do_notify(struct work_struct *work) | ||
| 389 | { | ||
| 390 | struct interfacekit *kit = | ||
| 391 | container_of(work, struct interfacekit, do_notify.work); | ||
| 392 | int i; | ||
| 393 | char sysfs_file[8]; | ||
| 394 | |||
| 395 | for (i=0; i<kit->ifkit->inputs; i++) { | ||
| 396 | if (test_and_clear_bit(i, &kit->input_events)) { | ||
| 397 | sprintf(sysfs_file, "input%d", i + 1); | ||
| 398 | sysfs_notify(&kit->dev->kobj, NULL, sysfs_file); | ||
| 399 | } | ||
| 400 | } | ||
| 401 | |||
| 402 | for (i=0; i<kit->ifkit->sensors; i++) { | ||
| 403 | if (test_and_clear_bit(i, &kit->sensor_events)) { | ||
| 404 | sprintf(sysfs_file, "sensor%d", i + 1); | ||
| 405 | sysfs_notify(&kit->dev->kobj, NULL, sysfs_file); | ||
| 406 | } | ||
| 407 | } | ||
| 408 | } | ||
| 409 | |||
| 410 | static void do_resubmit(struct work_struct *work) | ||
| 411 | { | ||
| 412 | struct interfacekit *kit = | ||
| 413 | container_of(work, struct interfacekit, do_resubmit.work); | ||
| 414 | set_outputs(kit); | ||
| 415 | } | ||
| 416 | |||
| 417 | #define show_set_output(value) \ | ||
| 418 | static ssize_t set_output##value(struct device *dev, \ | ||
| 419 | struct device_attribute *attr, \ | ||
| 420 | const char *buf, size_t count) \ | ||
| 421 | { \ | ||
| 422 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
| 423 | int enable; \ | ||
| 424 | int retval; \ | ||
| 425 | \ | ||
| 426 | if (sscanf(buf, "%d", &enable) < 1) \ | ||
| 427 | return -EINVAL; \ | ||
| 428 | \ | ||
| 429 | if (enable) \ | ||
| 430 | set_bit(value - 1, &kit->outputs); \ | ||
| 431 | else \ | ||
| 432 | clear_bit(value - 1, &kit->outputs); \ | ||
| 433 | \ | ||
| 434 | retval = set_outputs(kit); \ | ||
| 435 | \ | ||
| 436 | return retval ? retval : count; \ | ||
| 437 | } \ | ||
| 438 | \ | ||
| 439 | static ssize_t show_output##value(struct device *dev, \ | ||
| 440 | struct device_attribute *attr, \ | ||
| 441 | char *buf) \ | ||
| 442 | { \ | ||
| 443 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
| 444 | \ | ||
| 445 | return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\ | ||
| 446 | } | ||
| 447 | |||
| 448 | #define output_attr(value) \ | ||
| 449 | __ATTR(output##value, S_IWUGO | S_IRUGO, \ | ||
| 450 | show_output##value, set_output##value) | ||
| 451 | |||
| 452 | show_set_output(1); | ||
| 453 | show_set_output(2); | ||
| 454 | show_set_output(3); | ||
| 455 | show_set_output(4); | ||
| 456 | show_set_output(5); | ||
| 457 | show_set_output(6); | ||
| 458 | show_set_output(7); | ||
| 459 | show_set_output(8); | ||
| 460 | show_set_output(9); | ||
| 461 | show_set_output(10); | ||
| 462 | show_set_output(11); | ||
| 463 | show_set_output(12); | ||
| 464 | show_set_output(13); | ||
| 465 | show_set_output(14); | ||
| 466 | show_set_output(15); | ||
| 467 | show_set_output(16); | ||
| 468 | |||
| 469 | static struct device_attribute dev_output_attrs[] = { | ||
| 470 | output_attr(1), output_attr(2), output_attr(3), output_attr(4), | ||
| 471 | output_attr(5), output_attr(6), output_attr(7), output_attr(8), | ||
| 472 | output_attr(9), output_attr(10), output_attr(11), output_attr(12), | ||
| 473 | output_attr(13), output_attr(14), output_attr(15), output_attr(16) | ||
| 474 | }; | ||
| 475 | |||
| 476 | #define show_input(value) \ | ||
| 477 | static ssize_t show_input##value(struct device *dev, \ | ||
| 478 | struct device_attribute *attr, char *buf) \ | ||
| 479 | { \ | ||
| 480 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
| 481 | \ | ||
| 482 | return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]); \ | ||
| 483 | } | ||
| 484 | |||
| 485 | #define input_attr(value) \ | ||
| 486 | __ATTR(input##value, S_IRUGO, show_input##value, NULL) | ||
| 487 | |||
| 488 | show_input(1); | ||
| 489 | show_input(2); | ||
| 490 | show_input(3); | ||
| 491 | show_input(4); | ||
| 492 | show_input(5); | ||
| 493 | show_input(6); | ||
| 494 | show_input(7); | ||
| 495 | show_input(8); | ||
| 496 | show_input(9); | ||
| 497 | show_input(10); | ||
| 498 | show_input(11); | ||
| 499 | show_input(12); | ||
| 500 | show_input(13); | ||
| 501 | show_input(14); | ||
| 502 | show_input(15); | ||
| 503 | show_input(16); | ||
| 504 | |||
| 505 | static struct device_attribute dev_input_attrs[] = { | ||
| 506 | input_attr(1), input_attr(2), input_attr(3), input_attr(4), | ||
| 507 | input_attr(5), input_attr(6), input_attr(7), input_attr(8), | ||
| 508 | input_attr(9), input_attr(10), input_attr(11), input_attr(12), | ||
| 509 | input_attr(13), input_attr(14), input_attr(15), input_attr(16) | ||
| 510 | }; | ||
| 511 | |||
| 512 | #define show_sensor(value) \ | ||
| 513 | static ssize_t show_sensor##value(struct device *dev, \ | ||
| 514 | struct device_attribute *attr, \ | ||
| 515 | char *buf) \ | ||
| 516 | { \ | ||
| 517 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
| 518 | \ | ||
| 519 | return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]); \ | ||
| 520 | } | ||
| 521 | |||
| 522 | #define sensor_attr(value) \ | ||
| 523 | __ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL) | ||
| 524 | |||
| 525 | show_sensor(1); | ||
| 526 | show_sensor(2); | ||
| 527 | show_sensor(3); | ||
| 528 | show_sensor(4); | ||
| 529 | show_sensor(5); | ||
| 530 | show_sensor(6); | ||
| 531 | show_sensor(7); | ||
| 532 | show_sensor(8); | ||
| 533 | |||
| 534 | static struct device_attribute dev_sensor_attrs[] = { | ||
| 535 | sensor_attr(1), sensor_attr(2), sensor_attr(3), sensor_attr(4), | ||
| 536 | sensor_attr(5), sensor_attr(6), sensor_attr(7), sensor_attr(8) | ||
| 537 | }; | ||
| 538 | |||
| 539 | static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id) | ||
| 540 | { | ||
| 541 | struct usb_device *dev = interface_to_usbdev(intf); | ||
| 542 | struct usb_host_interface *interface; | ||
| 543 | struct usb_endpoint_descriptor *endpoint; | ||
| 544 | struct interfacekit *kit; | ||
| 545 | struct driver_interfacekit *ifkit; | ||
| 546 | int pipe, maxp, rc = -ENOMEM; | ||
| 547 | int bit, value, i; | ||
| 548 | |||
| 549 | ifkit = (struct driver_interfacekit *)id->driver_info; | ||
| 550 | if (!ifkit) | ||
| 551 | return -ENODEV; | ||
| 552 | |||
| 553 | interface = intf->cur_altsetting; | ||
| 554 | if (interface->desc.bNumEndpoints != 1) | ||
| 555 | return -ENODEV; | ||
| 556 | |||
| 557 | endpoint = &interface->endpoint[0].desc; | ||
| 558 | if (!usb_endpoint_dir_in(endpoint)) | ||
| 559 | return -ENODEV; | ||
| 560 | /* | ||
| 561 | * bmAttributes | ||
| 562 | */ | ||
| 563 | pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); | ||
| 564 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | ||
| 565 | |||
| 566 | kit = kzalloc(sizeof(*kit), GFP_KERNEL); | ||
| 567 | if (!kit) | ||
| 568 | goto out; | ||
| 569 | |||
| 570 | kit->dev_no = -1; | ||
| 571 | kit->ifkit = ifkit; | ||
| 572 | kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, GFP_ATOMIC, &kit->data_dma); | ||
| 573 | if (!kit->data) | ||
| 574 | goto out; | ||
| 575 | |||
| 576 | kit->irq = usb_alloc_urb(0, GFP_KERNEL); | ||
| 577 | if (!kit->irq) | ||
| 578 | goto out; | ||
| 579 | |||
| 580 | kit->udev = usb_get_dev(dev); | ||
| 581 | kit->intf = intf; | ||
| 582 | INIT_DELAYED_WORK(&kit->do_notify, do_notify); | ||
| 583 | INIT_DELAYED_WORK(&kit->do_resubmit, do_resubmit); | ||
| 584 | usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data, | ||
| 585 | maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp, | ||
| 586 | interfacekit_irq, kit, endpoint->bInterval); | ||
| 587 | kit->irq->transfer_dma = kit->data_dma; | ||
| 588 | kit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | ||
| 589 | |||
| 590 | usb_set_intfdata(intf, kit); | ||
| 591 | |||
| 592 | do { | ||
| 593 | bit = find_first_zero_bit(&device_no, sizeof(device_no)); | ||
| 594 | value = test_and_set_bit(bit, &device_no); | ||
| 595 | } while(value); | ||
| 596 | kit->dev_no = bit; | ||
| 597 | |||
| 598 | kit->dev = device_create(phidget_class, &kit->udev->dev, MKDEV(0, 0), | ||
| 599 | kit, "interfacekit%d", kit->dev_no); | ||
| 600 | if (IS_ERR(kit->dev)) { | ||
| 601 | rc = PTR_ERR(kit->dev); | ||
| 602 | kit->dev = NULL; | ||
| 603 | goto out; | ||
| 604 | } | ||
| 605 | |||
| 606 | if (usb_submit_urb(kit->irq, GFP_KERNEL)) { | ||
| 607 | rc = -EIO; | ||
| 608 | goto out; | ||
| 609 | } | ||
| 610 | |||
| 611 | for (i=0; i<ifkit->outputs; i++ ) { | ||
| 612 | rc = device_create_file(kit->dev, &dev_output_attrs[i]); | ||
| 613 | if (rc) | ||
| 614 | goto out2; | ||
| 615 | } | ||
| 616 | |||
| 617 | for (i=0; i<ifkit->inputs; i++ ) { | ||
| 618 | rc = device_create_file(kit->dev, &dev_input_attrs[i]); | ||
| 619 | if (rc) | ||
| 620 | goto out3; | ||
| 621 | } | ||
| 622 | |||
| 623 | for (i=0; i<ifkit->sensors; i++ ) { | ||
| 624 | rc = device_create_file(kit->dev, &dev_sensor_attrs[i]); | ||
| 625 | if (rc) | ||
| 626 | goto out4; | ||
| 627 | } | ||
| 628 | |||
| 629 | if (ifkit->has_lcd) { | ||
| 630 | rc = device_create_file(kit->dev, &dev_attr_lcd); | ||
| 631 | if (rc) | ||
| 632 | goto out4; | ||
| 633 | |||
| 634 | } | ||
| 635 | |||
| 636 | dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n", | ||
| 637 | ifkit->sensors, ifkit->inputs, ifkit->outputs); | ||
| 638 | |||
| 639 | return 0; | ||
| 640 | |||
| 641 | out4: | ||
| 642 | while (i-- > 0) | ||
| 643 | device_remove_file(kit->dev, &dev_sensor_attrs[i]); | ||
| 644 | |||
| 645 | i = ifkit->inputs; | ||
| 646 | out3: | ||
| 647 | while (i-- > 0) | ||
| 648 | device_remove_file(kit->dev, &dev_input_attrs[i]); | ||
| 649 | |||
| 650 | i = ifkit->outputs; | ||
| 651 | out2: | ||
| 652 | while (i-- > 0) | ||
| 653 | device_remove_file(kit->dev, &dev_output_attrs[i]); | ||
| 654 | out: | ||
| 655 | if (kit) { | ||
| 656 | usb_free_urb(kit->irq); | ||
| 657 | if (kit->data) | ||
| 658 | usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma); | ||
| 659 | if (kit->dev) | ||
| 660 | device_unregister(kit->dev); | ||
| 661 | if (kit->dev_no >= 0) | ||
| 662 | clear_bit(kit->dev_no, &device_no); | ||
| 663 | |||
| 664 | kfree(kit); | ||
| 665 | } | ||
| 666 | |||
| 667 | return rc; | ||
| 668 | } | ||
| 669 | |||
| 670 | static void interfacekit_disconnect(struct usb_interface *interface) | ||
| 671 | { | ||
| 672 | struct interfacekit *kit; | ||
| 673 | int i; | ||
| 674 | |||
| 675 | kit = usb_get_intfdata(interface); | ||
| 676 | usb_set_intfdata(interface, NULL); | ||
| 677 | if (!kit) | ||
| 678 | return; | ||
| 679 | |||
| 680 | usb_kill_urb(kit->irq); | ||
| 681 | usb_free_urb(kit->irq); | ||
| 682 | usb_buffer_free(kit->udev, URB_INT_SIZE, kit->data, kit->data_dma); | ||
| 683 | |||
| 684 | cancel_delayed_work(&kit->do_notify); | ||
| 685 | cancel_delayed_work(&kit->do_resubmit); | ||
| 686 | |||
| 687 | for (i=0; i<kit->ifkit->outputs; i++) | ||
| 688 | device_remove_file(kit->dev, &dev_output_attrs[i]); | ||
| 689 | |||
| 690 | for (i=0; i<kit->ifkit->inputs; i++) | ||
| 691 | device_remove_file(kit->dev, &dev_input_attrs[i]); | ||
| 692 | |||
| 693 | for (i=0; i<kit->ifkit->sensors; i++) | ||
| 694 | device_remove_file(kit->dev, &dev_sensor_attrs[i]); | ||
| 695 | |||
| 696 | if (kit->ifkit->has_lcd) { | ||
| 697 | device_remove_file(kit->dev, &dev_attr_lcd); | ||
| 698 | remove_lcd_files(kit); | ||
| 699 | } | ||
| 700 | |||
| 701 | device_unregister(kit->dev); | ||
| 702 | |||
| 703 | dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n", | ||
| 704 | kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs); | ||
| 705 | |||
| 706 | usb_put_dev(kit->udev); | ||
| 707 | clear_bit(kit->dev_no, &device_no); | ||
| 708 | |||
| 709 | kfree(kit); | ||
| 710 | } | ||
| 711 | |||
| 712 | static struct usb_driver interfacekit_driver = { | ||
| 713 | .name = "phidgetkit", | ||
| 714 | .probe = interfacekit_probe, | ||
| 715 | .disconnect = interfacekit_disconnect, | ||
| 716 | .id_table = id_table | ||
| 717 | }; | ||
| 718 | |||
| 719 | static int __init interfacekit_init(void) | ||
| 720 | { | ||
| 721 | int retval = 0; | ||
| 722 | |||
| 723 | retval = usb_register(&interfacekit_driver); | ||
| 724 | if (retval) | ||
| 725 | err("usb_register failed. Error number %d", retval); | ||
| 726 | |||
| 727 | return retval; | ||
| 728 | } | ||
| 729 | |||
| 730 | static void __exit interfacekit_exit(void) | ||
| 731 | { | ||
| 732 | usb_deregister(&interfacekit_driver); | ||
| 733 | } | ||
| 734 | |||
| 735 | module_init(interfacekit_init); | ||
| 736 | module_exit(interfacekit_exit); | ||
| 737 | |||
| 738 | MODULE_AUTHOR(DRIVER_AUTHOR); | ||
| 739 | MODULE_DESCRIPTION(DRIVER_DESC); | ||
| 740 | MODULE_LICENSE("GPL"); | ||
