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authorDmitry Torokhov <dtor_core@ameritech.net>2005-09-15 03:01:47 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2005-10-28 12:52:52 -0400
commitc5b7c7c395a34f12cdf246d66c1feeff2933d584 (patch)
tree8af335c30bb92991f4bfd8251de4fed9907b07bd /drivers/usb/input/itmtouch.c
parent3c42f0c3dde8feb59fc87df45cadb847d5511c0a (diff)
[PATCH] drivers/usb/input: convert to dynamic input_dev allocation
Input: convert drivers/iusb/input to dynamic input_dev allocation This is required for input_dev sysfs integration Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/input/itmtouch.c')
-rw-r--r--drivers/usb/input/itmtouch.c70
1 files changed, 42 insertions, 28 deletions
diff --git a/drivers/usb/input/itmtouch.c b/drivers/usb/input/itmtouch.c
index becb87efb869..3b581853cf10 100644
--- a/drivers/usb/input/itmtouch.c
+++ b/drivers/usb/input/itmtouch.c
@@ -73,7 +73,7 @@ MODULE_LICENSE( DRIVER_LICENSE );
73 73
74struct itmtouch_dev { 74struct itmtouch_dev {
75 struct usb_device *usbdev; /* usb device */ 75 struct usb_device *usbdev; /* usb device */
76 struct input_dev inputdev; /* input device */ 76 struct input_dev *inputdev; /* input device */
77 struct urb *readurb; /* urb */ 77 struct urb *readurb; /* urb */
78 char rbuf[ITM_BUFSIZE]; /* data */ 78 char rbuf[ITM_BUFSIZE]; /* data */
79 int users; 79 int users;
@@ -88,9 +88,9 @@ static struct usb_device_id itmtouch_ids [] = {
88 88
89static void itmtouch_irq(struct urb *urb, struct pt_regs *regs) 89static void itmtouch_irq(struct urb *urb, struct pt_regs *regs)
90{ 90{
91 struct itmtouch_dev * itmtouch = urb->context; 91 struct itmtouch_dev *itmtouch = urb->context;
92 unsigned char *data = urb->transfer_buffer; 92 unsigned char *data = urb->transfer_buffer;
93 struct input_dev *dev = &itmtouch->inputdev; 93 struct input_dev *dev = itmtouch->inputdev;
94 int retval; 94 int retval;
95 95
96 switch (urb->status) { 96 switch (urb->status) {
@@ -156,49 +156,62 @@ static void itmtouch_close(struct input_dev *input)
156static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id *id) 156static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id *id)
157{ 157{
158 struct itmtouch_dev *itmtouch; 158 struct itmtouch_dev *itmtouch;
159 struct input_dev *input_dev;
159 struct usb_host_interface *interface; 160 struct usb_host_interface *interface;
160 struct usb_endpoint_descriptor *endpoint; 161 struct usb_endpoint_descriptor *endpoint;
161 struct usb_device *udev = interface_to_usbdev(intf); 162 struct usb_device *udev = interface_to_usbdev(intf);
162 unsigned int pipe; 163 unsigned int pipe;
163 unsigned int maxp; 164 unsigned int maxp;
164 char path[PATH_SIZE];
165 165
166 interface = intf->cur_altsetting; 166 interface = intf->cur_altsetting;
167 endpoint = &interface->endpoint[0].desc; 167 endpoint = &interface->endpoint[0].desc;
168 168
169 if (!(itmtouch = kzalloc(sizeof(struct itmtouch_dev), GFP_KERNEL))) { 169 itmtouch = kzalloc(sizeof(struct itmtouch_dev), GFP_KERNEL);
170 input_dev = input_allocate_device();
171 if (!itmtouch || !input_dev) {
170 err("%s - Out of memory.", __FUNCTION__); 172 err("%s - Out of memory.", __FUNCTION__);
171 return -ENOMEM; 173 goto fail;
172 } 174 }
173 175
174 itmtouch->usbdev = udev; 176 itmtouch->usbdev = udev;
177 itmtouch->inputdev = input_dev;
175 178
176 itmtouch->inputdev.private = itmtouch; 179 if (udev->manufacturer)
177 itmtouch->inputdev.open = itmtouch_open; 180 strlcpy(itmtouch->name, udev->manufacturer, sizeof(itmtouch->name));
178 itmtouch->inputdev.close = itmtouch_close;
179 181
180 usb_make_path(udev, path, PATH_SIZE); 182 if (udev->product) {
181 183 if (udev->manufacturer)
182 itmtouch->inputdev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); 184 strlcat(itmtouch->name, " ", sizeof(itmtouch->name));
183 itmtouch->inputdev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE); 185 strlcat(itmtouch->name, udev->product, sizeof(itmtouch->name));
184 itmtouch->inputdev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH); 186 }
185
186 itmtouch->inputdev.name = itmtouch->name;
187 itmtouch->inputdev.phys = itmtouch->phys;
188 usb_to_input_id(udev, &itmtouch->inputdev.id);
189 itmtouch->inputdev.dev = &intf->dev;
190 187
191 if (!strlen(itmtouch->name)) 188 if (!strlen(itmtouch->name))
192 sprintf(itmtouch->name, "USB ITM touchscreen"); 189 sprintf(itmtouch->name, "USB ITM touchscreen");
193 190
191 usb_make_path(udev, itmtouch->phys, sizeof(itmtouch->phys));
192 strlcpy(itmtouch->phys, "/input0", sizeof(itmtouch->phys));
193
194 input_dev->name = itmtouch->name;
195 input_dev->phys = itmtouch->phys;
196 usb_to_input_id(udev, &input_dev->id);
197 input_dev->cdev.dev = &intf->dev;
198 input_dev->private = itmtouch;
199
200 input_dev->open = itmtouch_open;
201 input_dev->close = itmtouch_close;
202
203 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
204 input_dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
205 input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
206
194 /* device limits */ 207 /* device limits */
195 /* as specified by the ITM datasheet, X and Y are 12bit, 208 /* as specified by the ITM datasheet, X and Y are 12bit,
196 * Z (pressure) is 8 bit. However, the fields are defined up 209 * Z (pressure) is 8 bit. However, the fields are defined up
197 * to 14 bits for future possible expansion. 210 * to 14 bits for future possible expansion.
198 */ 211 */
199 input_set_abs_params(&itmtouch->inputdev, ABS_X, 0, 0x0FFF, 2, 0); 212 input_set_abs_params(input_dev, ABS_X, 0, 0x0FFF, 2, 0);
200 input_set_abs_params(&itmtouch->inputdev, ABS_Y, 0, 0x0FFF, 2, 0); 213 input_set_abs_params(input_dev, ABS_Y, 0, 0x0FFF, 2, 0);
201 input_set_abs_params(&itmtouch->inputdev, ABS_PRESSURE, 0, 0xFF, 2, 0); 214 input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xFF, 2, 0);
202 215
203 /* initialise the URB so we can read from the transport stream */ 216 /* initialise the URB so we can read from the transport stream */
204 pipe = usb_rcvintpipe(itmtouch->usbdev, endpoint->bEndpointAddress); 217 pipe = usb_rcvintpipe(itmtouch->usbdev, endpoint->bEndpointAddress);
@@ -208,22 +221,23 @@ static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id
208 maxp = ITM_BUFSIZE; 221 maxp = ITM_BUFSIZE;
209 222
210 itmtouch->readurb = usb_alloc_urb(0, GFP_KERNEL); 223 itmtouch->readurb = usb_alloc_urb(0, GFP_KERNEL);
211
212 if (!itmtouch->readurb) { 224 if (!itmtouch->readurb) {
213 dbg("%s - usb_alloc_urb failed: itmtouch->readurb", __FUNCTION__); 225 dbg("%s - usb_alloc_urb failed: itmtouch->readurb", __FUNCTION__);
214 kfree(itmtouch); 226 goto fail;
215 return -ENOMEM;
216 } 227 }
217 228
218 usb_fill_int_urb(itmtouch->readurb, itmtouch->usbdev, pipe, itmtouch->rbuf, 229 usb_fill_int_urb(itmtouch->readurb, itmtouch->usbdev, pipe, itmtouch->rbuf,
219 maxp, itmtouch_irq, itmtouch, endpoint->bInterval); 230 maxp, itmtouch_irq, itmtouch, endpoint->bInterval);
220 231
221 input_register_device(&itmtouch->inputdev); 232 input_register_device(itmtouch->inputdev);
222 233
223 printk(KERN_INFO "itmtouch: %s registered on %s\n", itmtouch->name, path);
224 usb_set_intfdata(intf, itmtouch); 234 usb_set_intfdata(intf, itmtouch);
225 235
226 return 0; 236 return 0;
237
238 fail: input_free_device(input_dev);
239 kfree(itmtouch);
240 return -ENOMEM;
227} 241}
228 242
229static void itmtouch_disconnect(struct usb_interface *intf) 243static void itmtouch_disconnect(struct usb_interface *intf)
@@ -233,7 +247,7 @@ static void itmtouch_disconnect(struct usb_interface *intf)
233 usb_set_intfdata(intf, NULL); 247 usb_set_intfdata(intf, NULL);
234 248
235 if (itmtouch) { 249 if (itmtouch) {
236 input_unregister_device(&itmtouch->inputdev); 250 input_unregister_device(itmtouch->inputdev);
237 usb_kill_urb(itmtouch->readurb); 251 usb_kill_urb(itmtouch->readurb);
238 usb_free_urb(itmtouch->readurb); 252 usb_free_urb(itmtouch->readurb);
239 kfree(itmtouch); 253 kfree(itmtouch);