Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2001-2005 Edouard TISSERANT <edouard.tisserant@wanadoo.fr> |
| 3 | * Copyright (c) 2004-2005 Stephane VOLTZ <svoltz@numericable.fr> |
| 4 | * |
| 5 | * USB Acecad "Acecad Flair" tablet support |
| 6 | * |
| 7 | * Changelog: |
| 8 | * v3.2 - Added sysfs support |
| 9 | */ |
| 10 | |
| 11 | /* |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License as published by |
| 14 | * the Free Software Foundation; either version 2 of the License, or |
| 15 | * (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software |
| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 25 | * |
| 26 | */ |
| 27 | |
| 28 | #include <linux/kernel.h> |
| 29 | #include <linux/slab.h> |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 30 | #include <linux/module.h> |
| 31 | #include <linux/init.h> |
David Brownell | ae0dadc | 2006-06-13 10:04:34 -0700 | [diff] [blame] | 32 | #include <linux/usb/input.h> |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 33 | |
| 34 | /* |
| 35 | * Version Information |
| 36 | */ |
| 37 | #define DRIVER_VERSION "v3.2" |
| 38 | #define DRIVER_DESC "USB Acecad Flair tablet driver" |
| 39 | #define DRIVER_LICENSE "GPL" |
| 40 | #define DRIVER_AUTHOR "Edouard TISSERANT <edouard.tisserant@wanadoo.fr>" |
| 41 | |
| 42 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 43 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 44 | MODULE_LICENSE(DRIVER_LICENSE); |
| 45 | |
| 46 | #define USB_VENDOR_ID_ACECAD 0x0460 |
| 47 | #define USB_DEVICE_ID_FLAIR 0x0004 |
| 48 | #define USB_DEVICE_ID_302 0x0008 |
| 49 | |
| 50 | struct usb_acecad { |
| 51 | char name[128]; |
| 52 | char phys[64]; |
| 53 | struct usb_device *usbdev; |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 54 | struct input_dev *input; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 55 | struct urb *irq; |
| 56 | |
Dmitry Torokhov | 4ee1fc8 | 2007-05-03 00:54:54 -0400 | [diff] [blame] | 57 | unsigned char *data; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 58 | dma_addr_t data_dma; |
| 59 | }; |
| 60 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 61 | static void usb_acecad_irq(struct urb *urb) |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 62 | { |
| 63 | struct usb_acecad *acecad = urb->context; |
| 64 | unsigned char *data = acecad->data; |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 65 | struct input_dev *dev = acecad->input; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 66 | int prox, status; |
| 67 | |
| 68 | switch (urb->status) { |
| 69 | case 0: |
| 70 | /* success */ |
| 71 | break; |
| 72 | case -ECONNRESET: |
| 73 | case -ENOENT: |
| 74 | case -ESHUTDOWN: |
| 75 | /* this urb is terminated, clean up */ |
Harvey Harrison | ea3e6c5 | 2008-05-05 11:36:18 -0400 | [diff] [blame] | 76 | dbg("%s - urb shutting down with status: %d", __func__, urb->status); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 77 | return; |
| 78 | default: |
Harvey Harrison | ea3e6c5 | 2008-05-05 11:36:18 -0400 | [diff] [blame] | 79 | dbg("%s - nonzero urb status received: %d", __func__, urb->status); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 80 | goto resubmit; |
| 81 | } |
| 82 | |
| 83 | prox = (data[0] & 0x04) >> 2; |
| 84 | input_report_key(dev, BTN_TOOL_PEN, prox); |
| 85 | |
| 86 | if (prox) { |
| 87 | int x = data[1] | (data[2] << 8); |
| 88 | int y = data[3] | (data[4] << 8); |
Dmitry Torokhov | c27a748 | 2005-06-30 00:48:51 -0500 | [diff] [blame] | 89 | /* Pressure should compute the same way for flair and 302 */ |
| 90 | int pressure = data[5] | (data[6] << 8); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 91 | int touch = data[0] & 0x01; |
| 92 | int stylus = (data[0] & 0x10) >> 4; |
| 93 | int stylus2 = (data[0] & 0x20) >> 5; |
| 94 | input_report_abs(dev, ABS_X, x); |
| 95 | input_report_abs(dev, ABS_Y, y); |
| 96 | input_report_abs(dev, ABS_PRESSURE, pressure); |
| 97 | input_report_key(dev, BTN_TOUCH, touch); |
| 98 | input_report_key(dev, BTN_STYLUS, stylus); |
| 99 | input_report_key(dev, BTN_STYLUS2, stylus2); |
| 100 | } |
| 101 | |
| 102 | /* event termination */ |
| 103 | input_sync(dev); |
| 104 | |
| 105 | resubmit: |
Dmitry Torokhov | c27a748 | 2005-06-30 00:48:51 -0500 | [diff] [blame] | 106 | status = usb_submit_urb(urb, GFP_ATOMIC); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 107 | if (status) |
Dmitry Torokhov | c27a748 | 2005-06-30 00:48:51 -0500 | [diff] [blame] | 108 | err("can't resubmit intr, %s-%s/input0, status %d", |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 109 | acecad->usbdev->bus->bus_name, acecad->usbdev->devpath, status); |
| 110 | } |
| 111 | |
| 112 | static int usb_acecad_open(struct input_dev *dev) |
| 113 | { |
Dmitry Torokhov | 7791bda | 2007-04-12 01:34:39 -0400 | [diff] [blame] | 114 | struct usb_acecad *acecad = input_get_drvdata(dev); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 115 | |
| 116 | acecad->irq->dev = acecad->usbdev; |
| 117 | if (usb_submit_urb(acecad->irq, GFP_KERNEL)) |
| 118 | return -EIO; |
| 119 | |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | static void usb_acecad_close(struct input_dev *dev) |
| 124 | { |
Dmitry Torokhov | 7791bda | 2007-04-12 01:34:39 -0400 | [diff] [blame] | 125 | struct usb_acecad *acecad = input_get_drvdata(dev); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 126 | |
| 127 | usb_kill_urb(acecad->irq); |
| 128 | } |
| 129 | |
| 130 | static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_id *id) |
| 131 | { |
| 132 | struct usb_device *dev = interface_to_usbdev(intf); |
| 133 | struct usb_host_interface *interface = intf->cur_altsetting; |
| 134 | struct usb_endpoint_descriptor *endpoint; |
| 135 | struct usb_acecad *acecad; |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 136 | struct input_dev *input_dev; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 137 | int pipe, maxp; |
Dmitry Torokhov | 5014186 | 2007-04-12 01:33:39 -0400 | [diff] [blame] | 138 | int err = -ENOMEM; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 139 | |
| 140 | if (interface->desc.bNumEndpoints != 1) |
| 141 | return -ENODEV; |
| 142 | |
| 143 | endpoint = &interface->endpoint[0].desc; |
| 144 | |
Luiz Fernando N. Capitulino | ee709a3 | 2006-09-27 11:58:53 -0700 | [diff] [blame] | 145 | if (!usb_endpoint_is_int_in(endpoint)) |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 146 | return -ENODEV; |
| 147 | |
| 148 | pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); |
| 149 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); |
| 150 | |
Pekka Enberg | 7b842b6 | 2005-09-06 15:18:34 -0700 | [diff] [blame] | 151 | acecad = kzalloc(sizeof(struct usb_acecad), GFP_KERNEL); |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 152 | input_dev = input_allocate_device(); |
Dmitry Torokhov | 5014186 | 2007-04-12 01:33:39 -0400 | [diff] [blame] | 153 | if (!acecad || !input_dev) { |
| 154 | err = -ENOMEM; |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 155 | goto fail1; |
Dmitry Torokhov | 5014186 | 2007-04-12 01:33:39 -0400 | [diff] [blame] | 156 | } |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 157 | |
Christoph Lameter | e94b176 | 2006-12-06 20:33:17 -0800 | [diff] [blame] | 158 | acecad->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &acecad->data_dma); |
Dmitry Torokhov | 5014186 | 2007-04-12 01:33:39 -0400 | [diff] [blame] | 159 | if (!acecad->data) { |
| 160 | err= -ENOMEM; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 161 | goto fail1; |
Dmitry Torokhov | 5014186 | 2007-04-12 01:33:39 -0400 | [diff] [blame] | 162 | } |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 163 | |
| 164 | acecad->irq = usb_alloc_urb(0, GFP_KERNEL); |
Dmitry Torokhov | 5014186 | 2007-04-12 01:33:39 -0400 | [diff] [blame] | 165 | if (!acecad->irq) { |
| 166 | err = -ENOMEM; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 167 | goto fail2; |
Dmitry Torokhov | 5014186 | 2007-04-12 01:33:39 -0400 | [diff] [blame] | 168 | } |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 169 | |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 170 | acecad->usbdev = dev; |
| 171 | acecad->input = input_dev; |
| 172 | |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 173 | if (dev->manufacturer) |
| 174 | strlcpy(acecad->name, dev->manufacturer, sizeof(acecad->name)); |
| 175 | |
| 176 | if (dev->product) { |
| 177 | if (dev->manufacturer) |
| 178 | strlcat(acecad->name, " ", sizeof(acecad->name)); |
| 179 | strlcat(acecad->name, dev->product, sizeof(acecad->name)); |
| 180 | } |
| 181 | |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 182 | usb_make_path(dev, acecad->phys, sizeof(acecad->phys)); |
| 183 | strlcat(acecad->phys, "/input0", sizeof(acecad->phys)); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 184 | |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 185 | input_dev->name = acecad->name; |
| 186 | input_dev->phys = acecad->phys; |
| 187 | usb_to_input_id(dev, &input_dev->id); |
Dmitry Torokhov | c0f82d5 | 2007-04-12 01:35:03 -0400 | [diff] [blame] | 188 | input_dev->dev.parent = &intf->dev; |
Dmitry Torokhov | 7791bda | 2007-04-12 01:34:39 -0400 | [diff] [blame] | 189 | |
| 190 | input_set_drvdata(input_dev, acecad); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 191 | |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 192 | input_dev->open = usb_acecad_open; |
| 193 | input_dev->close = usb_acecad_close; |
| 194 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 195 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
| 196 | input_dev->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) | |
| 197 | BIT_MASK(ABS_PRESSURE); |
| 198 | input_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | |
| 199 | BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE); |
| 200 | input_dev->keybit[BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_TOOL_PEN) | |
| 201 | BIT_MASK(BTN_TOUCH) | BIT_MASK(BTN_STYLUS) | |
| 202 | BIT_MASK(BTN_STYLUS2); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 203 | |
| 204 | switch (id->driver_info) { |
| 205 | case 0: |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 206 | input_dev->absmax[ABS_X] = 5000; |
| 207 | input_dev->absmax[ABS_Y] = 3750; |
| 208 | input_dev->absmax[ABS_PRESSURE] = 512; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 209 | if (!strlen(acecad->name)) |
| 210 | snprintf(acecad->name, sizeof(acecad->name), |
| 211 | "USB Acecad Flair Tablet %04x:%04x", |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 212 | le16_to_cpu(dev->descriptor.idVendor), |
| 213 | le16_to_cpu(dev->descriptor.idProduct)); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 214 | break; |
| 215 | case 1: |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 216 | input_dev->absmax[ABS_X] = 3000; |
| 217 | input_dev->absmax[ABS_Y] = 2250; |
| 218 | input_dev->absmax[ABS_PRESSURE] = 1024; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 219 | if (!strlen(acecad->name)) |
| 220 | snprintf(acecad->name, sizeof(acecad->name), |
| 221 | "USB Acecad 302 Tablet %04x:%04x", |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 222 | le16_to_cpu(dev->descriptor.idVendor), |
| 223 | le16_to_cpu(dev->descriptor.idProduct)); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 224 | break; |
| 225 | } |
| 226 | |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 227 | input_dev->absfuzz[ABS_X] = 4; |
| 228 | input_dev->absfuzz[ABS_Y] = 4; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 229 | |
| 230 | usb_fill_int_urb(acecad->irq, dev, pipe, |
| 231 | acecad->data, maxp > 8 ? 8 : maxp, |
| 232 | usb_acecad_irq, acecad, endpoint->bInterval); |
| 233 | acecad->irq->transfer_dma = acecad->data_dma; |
| 234 | acecad->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; |
| 235 | |
Dmitry Torokhov | 5014186 | 2007-04-12 01:33:39 -0400 | [diff] [blame] | 236 | err = input_register_device(acecad->input); |
| 237 | if (err) |
| 238 | goto fail2; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 239 | |
| 240 | usb_set_intfdata(intf, acecad); |
| 241 | |
| 242 | return 0; |
| 243 | |
| 244 | fail2: usb_buffer_free(dev, 8, acecad->data, acecad->data_dma); |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 245 | fail1: input_free_device(input_dev); |
| 246 | kfree(acecad); |
Dmitry Torokhov | 5014186 | 2007-04-12 01:33:39 -0400 | [diff] [blame] | 247 | return err; |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | static void usb_acecad_disconnect(struct usb_interface *intf) |
| 251 | { |
| 252 | struct usb_acecad *acecad = usb_get_intfdata(intf); |
| 253 | |
| 254 | usb_set_intfdata(intf, NULL); |
| 255 | if (acecad) { |
| 256 | usb_kill_urb(acecad->irq); |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 257 | input_unregister_device(acecad->input); |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 258 | usb_free_urb(acecad->irq); |
| 259 | usb_buffer_free(interface_to_usbdev(intf), 10, acecad->data, acecad->data_dma); |
| 260 | kfree(acecad); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | static struct usb_device_id usb_acecad_id_table [] = { |
| 265 | { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_FLAIR), .driver_info = 0 }, |
| 266 | { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_302), .driver_info = 1 }, |
| 267 | { } |
| 268 | }; |
| 269 | |
| 270 | MODULE_DEVICE_TABLE(usb, usb_acecad_id_table); |
| 271 | |
| 272 | static struct usb_driver usb_acecad_driver = { |
Stephane VOLTZ | 5388054 | 2005-06-06 02:22:37 -0500 | [diff] [blame] | 273 | .name = "usb_acecad", |
| 274 | .probe = usb_acecad_probe, |
| 275 | .disconnect = usb_acecad_disconnect, |
| 276 | .id_table = usb_acecad_id_table, |
| 277 | }; |
| 278 | |
| 279 | static int __init usb_acecad_init(void) |
| 280 | { |
| 281 | int result = usb_register(&usb_acecad_driver); |
| 282 | if (result == 0) |
| 283 | info(DRIVER_VERSION ":" DRIVER_DESC); |
| 284 | return result; |
| 285 | } |
| 286 | |
| 287 | static void __exit usb_acecad_exit(void) |
| 288 | { |
| 289 | usb_deregister(&usb_acecad_driver); |
| 290 | } |
| 291 | |
| 292 | module_init(usb_acecad_init); |
| 293 | module_exit(usb_acecad_exit); |