Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * drivers/usb/input/wacom_sys.c |
| 3 | * |
| 4 | * USB Wacom Graphire and Wacom Intuos tablet support - system specific code |
| 5 | */ |
| 6 | |
| 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 | |
| 14 | #include "wacom.h" |
| 15 | #include "wacom_wac.h" |
| 16 | |
| 17 | #define USB_REQ_GET_REPORT 0x01 |
| 18 | #define USB_REQ_SET_REPORT 0x09 |
| 19 | |
| 20 | static int usb_get_report(struct usb_interface *intf, unsigned char type, |
| 21 | unsigned char id, void *buf, int size) |
| 22 | { |
| 23 | return usb_control_msg(interface_to_usbdev(intf), |
| 24 | usb_rcvctrlpipe(interface_to_usbdev(intf), 0), |
| 25 | USB_REQ_GET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
| 26 | (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber, |
| 27 | buf, size, 100); |
| 28 | } |
| 29 | |
| 30 | static int usb_set_report(struct usb_interface *intf, unsigned char type, |
| 31 | unsigned char id, void *buf, int size) |
| 32 | { |
| 33 | return usb_control_msg(interface_to_usbdev(intf), |
| 34 | usb_sndctrlpipe(interface_to_usbdev(intf), 0), |
| 35 | USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
| 36 | (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber, |
| 37 | buf, size, 1000); |
| 38 | } |
| 39 | |
| 40 | static struct input_dev * get_input_dev(struct wacom_combo *wcombo) |
| 41 | { |
| 42 | return wcombo->wacom->dev; |
| 43 | } |
| 44 | |
Adrian Bunk | 54c9b226 | 2006-11-20 03:23:58 +0100 | [diff] [blame^] | 45 | static void wacom_sys_irq(struct urb *urb) |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 46 | { |
| 47 | struct wacom *wacom = urb->context; |
| 48 | struct wacom_combo wcombo; |
| 49 | int retval; |
| 50 | |
| 51 | switch (urb->status) { |
| 52 | case 0: |
| 53 | /* success */ |
| 54 | break; |
| 55 | case -ECONNRESET: |
| 56 | case -ENOENT: |
| 57 | case -ESHUTDOWN: |
| 58 | /* this urb is terminated, clean up */ |
| 59 | dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); |
| 60 | return; |
| 61 | default: |
| 62 | dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status); |
| 63 | goto exit; |
| 64 | } |
| 65 | |
| 66 | wcombo.wacom = wacom; |
| 67 | wcombo.urb = urb; |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 68 | |
| 69 | if (wacom_wac_irq(wacom->wacom_wac, (void *)&wcombo)) |
| 70 | input_sync(get_input_dev(&wcombo)); |
| 71 | |
| 72 | exit: |
| 73 | retval = usb_submit_urb (urb, GFP_ATOMIC); |
| 74 | if (retval) |
| 75 | err ("%s - usb_submit_urb failed with result %d", |
| 76 | __FUNCTION__, retval); |
| 77 | } |
| 78 | |
| 79 | void wacom_report_key(void *wcombo, unsigned int key_type, int key_data) |
| 80 | { |
| 81 | input_report_key(get_input_dev((struct wacom_combo *)wcombo), key_type, key_data); |
| 82 | return; |
| 83 | } |
| 84 | |
| 85 | void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data) |
| 86 | { |
| 87 | input_report_abs(get_input_dev((struct wacom_combo *)wcombo), abs_type, abs_data); |
| 88 | return; |
| 89 | } |
| 90 | |
| 91 | void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data) |
| 92 | { |
| 93 | input_report_rel(get_input_dev((struct wacom_combo *)wcombo), rel_type, rel_data); |
| 94 | return; |
| 95 | } |
| 96 | |
| 97 | void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value) |
| 98 | { |
| 99 | input_event(get_input_dev((struct wacom_combo *)wcombo), type, code, value); |
| 100 | return; |
| 101 | } |
| 102 | |
| 103 | __u16 wacom_be16_to_cpu(unsigned char *data) |
| 104 | { |
| 105 | __u16 value; |
| 106 | value = be16_to_cpu(*(__be16 *) data); |
| 107 | return value; |
| 108 | } |
| 109 | |
| 110 | __u16 wacom_le16_to_cpu(unsigned char *data) |
| 111 | { |
| 112 | __u16 value; |
Ping Cheng | 8d32e3a | 2006-09-26 13:34:47 -0700 | [diff] [blame] | 113 | value = le16_to_cpu(*(__le16 *) data); |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 114 | return value; |
| 115 | } |
| 116 | |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 117 | void wacom_input_sync(void *wcombo) |
| 118 | { |
| 119 | input_sync(get_input_dev((struct wacom_combo *)wcombo)); |
| 120 | return; |
| 121 | } |
| 122 | |
| 123 | static int wacom_open(struct input_dev *dev) |
| 124 | { |
| 125 | struct wacom *wacom = dev->private; |
| 126 | |
| 127 | wacom->irq->dev = wacom->usbdev; |
| 128 | if (usb_submit_urb(wacom->irq, GFP_KERNEL)) |
| 129 | return -EIO; |
| 130 | |
| 131 | return 0; |
| 132 | } |
| 133 | |
| 134 | static void wacom_close(struct input_dev *dev) |
| 135 | { |
| 136 | struct wacom *wacom = dev->private; |
| 137 | |
| 138 | usb_kill_urb(wacom->irq); |
| 139 | } |
| 140 | |
| 141 | void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
| 142 | { |
| 143 | input_dev->evbit[0] |= BIT(EV_MSC); |
| 144 | input_dev->mscbit[0] |= BIT(MSC_SERIAL); |
| 145 | input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER); |
Ping Cheng | 8d32e3a | 2006-09-26 13:34:47 -0700 | [diff] [blame] | 146 | input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_4); |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
| 150 | { |
| 151 | input_dev->evbit[0] |= BIT(EV_REL); |
| 152 | input_dev->relbit[0] |= BIT(REL_WHEEL); |
| 153 | input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE); |
| 154 | input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2); |
| 155 | input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0); |
| 156 | } |
| 157 | |
Ping Cheng | 8d32e3a | 2006-09-26 13:34:47 -0700 | [diff] [blame] | 158 | void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 159 | { |
| 160 | input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER); |
Ping Cheng | 8d32e3a | 2006-09-26 13:34:47 -0700 | [diff] [blame] | 161 | input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3); |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 162 | input_set_abs_params(input_dev, ABS_RX, 0, 4097, 0, 0); |
Ping Cheng | 8d32e3a | 2006-09-26 13:34:47 -0700 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
| 166 | { |
| 167 | input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7); |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 168 | input_set_abs_params(input_dev, ABS_RY, 0, 4097, 0, 0); |
| 169 | } |
| 170 | |
| 171 | void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
| 172 | { |
| 173 | input_dev->evbit[0] |= BIT(EV_MSC) | BIT(EV_REL); |
| 174 | input_dev->mscbit[0] |= BIT(MSC_SERIAL); |
| 175 | input_dev->relbit[0] |= BIT(REL_WHEEL); |
| 176 | input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA); |
| 177 | input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_TOOL_BRUSH) |
| 178 | | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS) | BIT(BTN_STYLUS2); |
| 179 | input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0); |
| 180 | input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0); |
| 181 | input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0); |
| 182 | input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0); |
| 183 | input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0); |
| 184 | input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0); |
| 185 | } |
| 186 | |
| 187 | void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
| 188 | { |
| 189 | input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2) | BIT(BTN_TOOL_RUBBER); |
| 190 | } |
| 191 | |
| 192 | void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac) |
| 193 | { |
| 194 | input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER); |
| 195 | } |
| 196 | |
| 197 | static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id) |
| 198 | { |
| 199 | struct usb_device *dev = interface_to_usbdev(intf); |
| 200 | struct usb_endpoint_descriptor *endpoint; |
| 201 | struct wacom *wacom; |
| 202 | struct wacom_wac *wacom_wac; |
| 203 | struct input_dev *input_dev; |
| 204 | char rep_data[2], limit = 0; |
| 205 | |
| 206 | wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL); |
| 207 | wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL); |
| 208 | input_dev = input_allocate_device(); |
| 209 | if (!wacom || !input_dev || !wacom_wac) |
| 210 | goto fail1; |
| 211 | |
| 212 | wacom_wac->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma); |
| 213 | if (!wacom_wac->data) |
| 214 | goto fail1; |
| 215 | |
| 216 | wacom->irq = usb_alloc_urb(0, GFP_KERNEL); |
| 217 | if (!wacom->irq) |
| 218 | goto fail2; |
| 219 | |
| 220 | wacom->usbdev = dev; |
| 221 | wacom->dev = input_dev; |
| 222 | usb_make_path(dev, wacom->phys, sizeof(wacom->phys)); |
| 223 | strlcat(wacom->phys, "/input0", sizeof(wacom->phys)); |
| 224 | |
| 225 | wacom_wac->features = get_wacom_feature(id); |
Eric Sesterhenn | 2920349 | 2006-10-17 14:46:30 -0700 | [diff] [blame] | 226 | BUG_ON(wacom_wac->features->pktlen > 10); |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 227 | |
| 228 | input_dev->name = wacom_wac->features->name; |
| 229 | wacom->wacom_wac = wacom_wac; |
| 230 | usb_to_input_id(dev, &input_dev->id); |
| 231 | |
| 232 | input_dev->cdev.dev = &intf->dev; |
| 233 | input_dev->private = wacom; |
| 234 | input_dev->open = wacom_open; |
| 235 | input_dev->close = wacom_close; |
| 236 | |
| 237 | input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS); |
| 238 | input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS); |
| 239 | input_set_abs_params(input_dev, ABS_X, 0, wacom_wac->features->x_max, 4, 0); |
| 240 | input_set_abs_params(input_dev, ABS_Y, 0, wacom_wac->features->y_max, 4, 0); |
| 241 | input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom_wac->features->pressure_max, 0, 0); |
| 242 | input_dev->absbit[LONG(ABS_MISC)] |= BIT(ABS_MISC); |
| 243 | |
| 244 | wacom_init_input_dev(input_dev, wacom_wac); |
| 245 | |
| 246 | endpoint = &intf->cur_altsetting->endpoint[0].desc; |
| 247 | |
| 248 | usb_fill_int_urb(wacom->irq, dev, |
| 249 | usb_rcvintpipe(dev, endpoint->bEndpointAddress), |
| 250 | wacom_wac->data, wacom_wac->features->pktlen, |
Ping Cheng | 8d32e3a | 2006-09-26 13:34:47 -0700 | [diff] [blame] | 251 | wacom_sys_irq, wacom, endpoint->bInterval); |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 252 | wacom->irq->transfer_dma = wacom->data_dma; |
| 253 | wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; |
| 254 | |
| 255 | input_register_device(wacom->dev); |
| 256 | |
| 257 | /* Ask the tablet to report tablet data. Repeat until it succeeds */ |
| 258 | do { |
| 259 | rep_data[0] = 2; |
| 260 | rep_data[1] = 2; |
| 261 | usb_set_report(intf, 3, 2, rep_data, 2); |
| 262 | usb_get_report(intf, 3, 2, rep_data, 2); |
| 263 | } while (rep_data[1] != 2 && limit++ < 5); |
| 264 | |
| 265 | usb_set_intfdata(intf, wacom); |
| 266 | return 0; |
| 267 | |
| 268 | fail2: usb_buffer_free(dev, 10, wacom_wac->data, wacom->data_dma); |
| 269 | fail1: input_free_device(input_dev); |
| 270 | kfree(wacom); |
| 271 | kfree(wacom_wac); |
| 272 | return -ENOMEM; |
| 273 | } |
| 274 | |
| 275 | static void wacom_disconnect(struct usb_interface *intf) |
| 276 | { |
| 277 | struct wacom *wacom = usb_get_intfdata (intf); |
| 278 | |
| 279 | usb_set_intfdata(intf, NULL); |
| 280 | if (wacom) { |
| 281 | usb_kill_urb(wacom->irq); |
| 282 | input_unregister_device(wacom->dev); |
| 283 | usb_free_urb(wacom->irq); |
| 284 | usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma); |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 285 | kfree(wacom->wacom_wac); |
Eric Sesterhenn | 2daa487 | 2006-10-04 09:56:44 -0700 | [diff] [blame] | 286 | kfree(wacom); |
Ping Cheng | 3bea733 | 2006-07-13 18:01:36 -0700 | [diff] [blame] | 287 | } |
| 288 | } |
| 289 | |
| 290 | static struct usb_driver wacom_driver = { |
| 291 | .name = "wacom", |
| 292 | .probe = wacom_probe, |
| 293 | .disconnect = wacom_disconnect, |
| 294 | }; |
| 295 | |
| 296 | static int __init wacom_init(void) |
| 297 | { |
| 298 | int result; |
| 299 | wacom_driver.id_table = get_device_table(); |
| 300 | result = usb_register(&wacom_driver); |
| 301 | if (result == 0) |
| 302 | info(DRIVER_VERSION ":" DRIVER_DESC); |
| 303 | return result; |
| 304 | } |
| 305 | |
| 306 | static void __exit wacom_exit(void) |
| 307 | { |
| 308 | usb_deregister(&wacom_driver); |
| 309 | } |
| 310 | |
| 311 | module_init(wacom_init); |
| 312 | module_exit(wacom_exit); |