diff options
Diffstat (limited to 'drivers/input/mouse/hil_ptr.c')
-rw-r--r-- | drivers/input/mouse/hil_ptr.c | 97 |
1 files changed, 50 insertions, 47 deletions
diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c index bfb174fe3230..449bf4dcbbcc 100644 --- a/drivers/input/mouse/hil_ptr.c +++ b/drivers/input/mouse/hil_ptr.c | |||
@@ -88,10 +88,12 @@ static void hil_ptr_process_record(struct hil_ptr *ptr) | |||
88 | idx = ptr->idx4/4; | 88 | idx = ptr->idx4/4; |
89 | p = data[idx - 1]; | 89 | p = data[idx - 1]; |
90 | 90 | ||
91 | if ((p & ~HIL_CMDCT_POL) == | 91 | if ((p & ~HIL_CMDCT_POL) == |
92 | (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL)) goto report; | 92 | (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL)) |
93 | if ((p & ~HIL_CMDCT_RPL) == | 93 | goto report; |
94 | (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL)) goto report; | 94 | if ((p & ~HIL_CMDCT_RPL) == |
95 | (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL)) | ||
96 | goto report; | ||
95 | 97 | ||
96 | /* Not a poll response. See if we are loading config records. */ | 98 | /* Not a poll response. See if we are loading config records. */ |
97 | switch (p & HIL_PKT_DATA_MASK) { | 99 | switch (p & HIL_PKT_DATA_MASK) { |
@@ -101,27 +103,32 @@ static void hil_ptr_process_record(struct hil_ptr *ptr) | |||
101 | for (; i < HIL_PTR_MAX_LENGTH; i++) | 103 | for (; i < HIL_PTR_MAX_LENGTH; i++) |
102 | ptr->idd[i] = 0; | 104 | ptr->idd[i] = 0; |
103 | break; | 105 | break; |
106 | |||
104 | case HIL_CMD_RSC: | 107 | case HIL_CMD_RSC: |
105 | for (i = 0; i < idx; i++) | 108 | for (i = 0; i < idx; i++) |
106 | ptr->rsc[i] = ptr->data[i] & HIL_PKT_DATA_MASK; | 109 | ptr->rsc[i] = ptr->data[i] & HIL_PKT_DATA_MASK; |
107 | for (; i < HIL_PTR_MAX_LENGTH; i++) | 110 | for (; i < HIL_PTR_MAX_LENGTH; i++) |
108 | ptr->rsc[i] = 0; | 111 | ptr->rsc[i] = 0; |
109 | break; | 112 | break; |
113 | |||
110 | case HIL_CMD_EXD: | 114 | case HIL_CMD_EXD: |
111 | for (i = 0; i < idx; i++) | 115 | for (i = 0; i < idx; i++) |
112 | ptr->exd[i] = ptr->data[i] & HIL_PKT_DATA_MASK; | 116 | ptr->exd[i] = ptr->data[i] & HIL_PKT_DATA_MASK; |
113 | for (; i < HIL_PTR_MAX_LENGTH; i++) | 117 | for (; i < HIL_PTR_MAX_LENGTH; i++) |
114 | ptr->exd[i] = 0; | 118 | ptr->exd[i] = 0; |
115 | break; | 119 | break; |
120 | |||
116 | case HIL_CMD_RNM: | 121 | case HIL_CMD_RNM: |
117 | for (i = 0; i < idx; i++) | 122 | for (i = 0; i < idx; i++) |
118 | ptr->rnm[i] = ptr->data[i] & HIL_PKT_DATA_MASK; | 123 | ptr->rnm[i] = ptr->data[i] & HIL_PKT_DATA_MASK; |
119 | for (; i < HIL_PTR_MAX_LENGTH + 1; i++) | 124 | for (; i < HIL_PTR_MAX_LENGTH + 1; i++) |
120 | ptr->rnm[i] = '\0'; | 125 | ptr->rnm[i] = 0; |
121 | break; | 126 | break; |
127 | |||
122 | default: | 128 | default: |
123 | /* These occur when device isn't present */ | 129 | /* These occur when device isn't present */ |
124 | if (p == (HIL_ERR_INT | HIL_PKT_CMD)) break; | 130 | if (p == (HIL_ERR_INT | HIL_PKT_CMD)) |
131 | break; | ||
125 | /* Anything else we'd like to know about. */ | 132 | /* Anything else we'd like to know about. */ |
126 | printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p); | 133 | printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p); |
127 | break; | 134 | break; |
@@ -130,7 +137,8 @@ static void hil_ptr_process_record(struct hil_ptr *ptr) | |||
130 | 137 | ||
131 | report: | 138 | report: |
132 | if ((p & HIL_CMDCT_POL) != idx - 1) { | 139 | if ((p & HIL_CMDCT_POL) != idx - 1) { |
133 | printk(KERN_WARNING PREFIX "Malformed poll packet %x (idx = %i)\n", p, idx); | 140 | printk(KERN_WARNING PREFIX |
141 | "Malformed poll packet %x (idx = %i)\n", p, idx); | ||
134 | goto out; | 142 | goto out; |
135 | } | 143 | } |
136 | 144 | ||
@@ -139,7 +147,7 @@ static void hil_ptr_process_record(struct hil_ptr *ptr) | |||
139 | laxis += i; | 147 | laxis += i; |
140 | 148 | ||
141 | ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */ | 149 | ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */ |
142 | absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS; | 150 | absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS; |
143 | 151 | ||
144 | for (cnt = 1; i < laxis; i++) { | 152 | for (cnt = 1; i < laxis; i++) { |
145 | unsigned int lo,hi,val; | 153 | unsigned int lo,hi,val; |
@@ -157,7 +165,8 @@ static void hil_ptr_process_record(struct hil_ptr *ptr) | |||
157 | input_report_abs(dev, ABS_X + i, val); | 165 | input_report_abs(dev, ABS_X + i, val); |
158 | } else { | 166 | } else { |
159 | val = (int) (((int8_t)lo) | ((int8_t)hi<<8)); | 167 | val = (int) (((int8_t)lo) | ((int8_t)hi<<8)); |
160 | if (i%3) val *= -1; | 168 | if (i%3) |
169 | val *= -1; | ||
161 | input_report_rel(dev, REL_X + i, val); | 170 | input_report_rel(dev, REL_X + i, val); |
162 | } | 171 | } |
163 | } | 172 | } |
@@ -168,10 +177,11 @@ static void hil_ptr_process_record(struct hil_ptr *ptr) | |||
168 | btn = ptr->data[cnt++]; | 177 | btn = ptr->data[cnt++]; |
169 | up = btn & 1; | 178 | up = btn & 1; |
170 | btn &= 0xfe; | 179 | btn &= 0xfe; |
171 | if (btn == 0x8e) { | 180 | if (btn == 0x8e) |
172 | continue; /* TODO: proximity == touch? */ | 181 | continue; /* TODO: proximity == touch? */ |
173 | } | 182 | else |
174 | else if ((btn > 0x8c) || (btn < 0x80)) continue; | 183 | if ((btn > 0x8c) || (btn < 0x80)) |
184 | continue; | ||
175 | btn = (btn - 0x80) >> 1; | 185 | btn = (btn - 0x80) >> 1; |
176 | btn = ptr->btnmap[btn]; | 186 | btn = ptr->btnmap[btn]; |
177 | input_report_key(dev, btn, !up); | 187 | input_report_key(dev, btn, !up); |
@@ -182,14 +192,14 @@ static void hil_ptr_process_record(struct hil_ptr *ptr) | |||
182 | up(&ptr->sem); | 192 | up(&ptr->sem); |
183 | } | 193 | } |
184 | 194 | ||
185 | static void hil_ptr_process_err(struct hil_ptr *ptr) { | 195 | static void hil_ptr_process_err(struct hil_ptr *ptr) |
196 | { | ||
186 | printk(KERN_WARNING PREFIX "errored HIL packet\n"); | 197 | printk(KERN_WARNING PREFIX "errored HIL packet\n"); |
187 | ptr->idx4 = 0; | 198 | ptr->idx4 = 0; |
188 | up(&ptr->sem); | 199 | up(&ptr->sem); |
189 | return; | ||
190 | } | 200 | } |
191 | 201 | ||
192 | static irqreturn_t hil_ptr_interrupt(struct serio *serio, | 202 | static irqreturn_t hil_ptr_interrupt(struct serio *serio, |
193 | unsigned char data, unsigned int flags) | 203 | unsigned char data, unsigned int flags) |
194 | { | 204 | { |
195 | struct hil_ptr *ptr; | 205 | struct hil_ptr *ptr; |
@@ -197,29 +207,29 @@ static irqreturn_t hil_ptr_interrupt(struct serio *serio, | |||
197 | int idx; | 207 | int idx; |
198 | 208 | ||
199 | ptr = serio_get_drvdata(serio); | 209 | ptr = serio_get_drvdata(serio); |
200 | if (ptr == NULL) { | 210 | BUG_ON(ptr == NULL); |
201 | BUG(); | ||
202 | return IRQ_HANDLED; | ||
203 | } | ||
204 | 211 | ||
205 | if (ptr->idx4 >= (HIL_PTR_MAX_LENGTH * sizeof(hil_packet))) { | 212 | if (ptr->idx4 >= (HIL_PTR_MAX_LENGTH * sizeof(hil_packet))) { |
206 | hil_ptr_process_err(ptr); | 213 | hil_ptr_process_err(ptr); |
207 | return IRQ_HANDLED; | 214 | return IRQ_HANDLED; |
208 | } | 215 | } |
209 | idx = ptr->idx4/4; | 216 | idx = ptr->idx4/4; |
210 | if (!(ptr->idx4 % 4)) ptr->data[idx] = 0; | 217 | if (!(ptr->idx4 % 4)) |
218 | ptr->data[idx] = 0; | ||
211 | packet = ptr->data[idx]; | 219 | packet = ptr->data[idx]; |
212 | packet |= ((hil_packet)data) << ((3 - (ptr->idx4 % 4)) * 8); | 220 | packet |= ((hil_packet)data) << ((3 - (ptr->idx4 % 4)) * 8); |
213 | ptr->data[idx] = packet; | 221 | ptr->data[idx] = packet; |
214 | 222 | ||
215 | /* Records of N 4-byte hil_packets must terminate with a command. */ | 223 | /* Records of N 4-byte hil_packets must terminate with a command. */ |
216 | if ((++(ptr->idx4)) % 4) return IRQ_HANDLED; | 224 | if ((++(ptr->idx4)) % 4) |
225 | return IRQ_HANDLED; | ||
217 | if ((packet & 0xffff0000) != HIL_ERR_INT) { | 226 | if ((packet & 0xffff0000) != HIL_ERR_INT) { |
218 | hil_ptr_process_err(ptr); | 227 | hil_ptr_process_err(ptr); |
219 | return IRQ_HANDLED; | 228 | return IRQ_HANDLED; |
220 | } | 229 | } |
221 | if (packet & HIL_PKT_CMD) | 230 | if (packet & HIL_PKT_CMD) |
222 | hil_ptr_process_record(ptr); | 231 | hil_ptr_process_record(ptr); |
232 | |||
223 | return IRQ_HANDLED; | 233 | return IRQ_HANDLED; |
224 | } | 234 | } |
225 | 235 | ||
@@ -228,10 +238,7 @@ static void hil_ptr_disconnect(struct serio *serio) | |||
228 | struct hil_ptr *ptr; | 238 | struct hil_ptr *ptr; |
229 | 239 | ||
230 | ptr = serio_get_drvdata(serio); | 240 | ptr = serio_get_drvdata(serio); |
231 | if (ptr == NULL) { | 241 | BUG_ON(ptr == NULL); |
232 | BUG(); | ||
233 | return; | ||
234 | } | ||
235 | 242 | ||
236 | serio_close(serio); | 243 | serio_close(serio); |
237 | input_unregister_device(ptr->dev); | 244 | input_unregister_device(ptr->dev); |
@@ -241,7 +248,7 @@ static void hil_ptr_disconnect(struct serio *serio) | |||
241 | static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) | 248 | static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) |
242 | { | 249 | { |
243 | struct hil_ptr *ptr; | 250 | struct hil_ptr *ptr; |
244 | char *txt; | 251 | const char *txt; |
245 | unsigned int i, naxsets, btntype; | 252 | unsigned int i, naxsets, btntype; |
246 | uint8_t did, *idd; | 253 | uint8_t did, *idd; |
247 | 254 | ||
@@ -252,42 +259,40 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) | |||
252 | if (!ptr->dev) | 259 | if (!ptr->dev) |
253 | goto bail0; | 260 | goto bail0; |
254 | 261 | ||
255 | ptr->dev->private = ptr; | ||
256 | |||
257 | if (serio_open(serio, driver)) | 262 | if (serio_open(serio, driver)) |
258 | goto bail1; | 263 | goto bail1; |
259 | 264 | ||
260 | serio_set_drvdata(serio, ptr); | 265 | serio_set_drvdata(serio, ptr); |
261 | ptr->serio = serio; | 266 | ptr->serio = serio; |
262 | 267 | ||
263 | init_MUTEX_LOCKED(&(ptr->sem)); | 268 | init_MUTEX_LOCKED(&ptr->sem); |
264 | 269 | ||
265 | /* Get device info. MLC driver supplies devid/status/etc. */ | 270 | /* Get device info. MLC driver supplies devid/status/etc. */ |
266 | serio->write(serio, 0); | 271 | serio->write(serio, 0); |
267 | serio->write(serio, 0); | 272 | serio->write(serio, 0); |
268 | serio->write(serio, HIL_PKT_CMD >> 8); | 273 | serio->write(serio, HIL_PKT_CMD >> 8); |
269 | serio->write(serio, HIL_CMD_IDD); | 274 | serio->write(serio, HIL_CMD_IDD); |
270 | down(&(ptr->sem)); | 275 | down(&ptr->sem); |
271 | 276 | ||
272 | serio->write(serio, 0); | 277 | serio->write(serio, 0); |
273 | serio->write(serio, 0); | 278 | serio->write(serio, 0); |
274 | serio->write(serio, HIL_PKT_CMD >> 8); | 279 | serio->write(serio, HIL_PKT_CMD >> 8); |
275 | serio->write(serio, HIL_CMD_RSC); | 280 | serio->write(serio, HIL_CMD_RSC); |
276 | down(&(ptr->sem)); | 281 | down(&ptr->sem); |
277 | 282 | ||
278 | serio->write(serio, 0); | 283 | serio->write(serio, 0); |
279 | serio->write(serio, 0); | 284 | serio->write(serio, 0); |
280 | serio->write(serio, HIL_PKT_CMD >> 8); | 285 | serio->write(serio, HIL_PKT_CMD >> 8); |
281 | serio->write(serio, HIL_CMD_RNM); | 286 | serio->write(serio, HIL_CMD_RNM); |
282 | down(&(ptr->sem)); | 287 | down(&ptr->sem); |
283 | 288 | ||
284 | serio->write(serio, 0); | 289 | serio->write(serio, 0); |
285 | serio->write(serio, 0); | 290 | serio->write(serio, 0); |
286 | serio->write(serio, HIL_PKT_CMD >> 8); | 291 | serio->write(serio, HIL_PKT_CMD >> 8); |
287 | serio->write(serio, HIL_CMD_EXD); | 292 | serio->write(serio, HIL_CMD_EXD); |
288 | down(&(ptr->sem)); | 293 | down(&ptr->sem); |
289 | 294 | ||
290 | up(&(ptr->sem)); | 295 | up(&ptr->sem); |
291 | 296 | ||
292 | did = ptr->idd[0]; | 297 | did = ptr->idd[0]; |
293 | idd = ptr->idd + 1; | 298 | idd = ptr->idd + 1; |
@@ -301,12 +306,12 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) | |||
301 | ptr->dev->evbit[0] = BIT(EV_ABS); | 306 | ptr->dev->evbit[0] = BIT(EV_ABS); |
302 | txt = "absolute"; | 307 | txt = "absolute"; |
303 | } | 308 | } |
304 | if (!ptr->dev->evbit[0]) { | 309 | if (!ptr->dev->evbit[0]) |
305 | goto bail2; | 310 | goto bail2; |
306 | } | ||
307 | 311 | ||
308 | ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd); | 312 | ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd); |
309 | if (ptr->nbtn) ptr->dev->evbit[0] |= BIT(EV_KEY); | 313 | if (ptr->nbtn) |
314 | ptr->dev->evbit[0] |= BIT(EV_KEY); | ||
310 | 315 | ||
311 | naxsets = HIL_IDD_NUM_AXSETS(*idd); | 316 | naxsets = HIL_IDD_NUM_AXSETS(*idd); |
312 | ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd); | 317 | ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd); |
@@ -315,7 +320,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) | |||
315 | did, txt); | 320 | did, txt); |
316 | printk(KERN_INFO PREFIX "HIL pointer has %i buttons and %i sets of %i axes\n", | 321 | printk(KERN_INFO PREFIX "HIL pointer has %i buttons and %i sets of %i axes\n", |
317 | ptr->nbtn, naxsets, ptr->naxes); | 322 | ptr->nbtn, naxsets, ptr->naxes); |
318 | 323 | ||
319 | btntype = BTN_MISC; | 324 | btntype = BTN_MISC; |
320 | if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET) | 325 | if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET) |
321 | #ifdef TABLET_SIMULATES_MOUSE | 326 | #ifdef TABLET_SIMULATES_MOUSE |
@@ -325,7 +330,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) | |||
325 | #endif | 330 | #endif |
326 | if ((did & HIL_IDD_DID_ABS_TSCREEN_MASK) == HIL_IDD_DID_ABS_TSCREEN) | 331 | if ((did & HIL_IDD_DID_ABS_TSCREEN_MASK) == HIL_IDD_DID_ABS_TSCREEN) |
327 | btntype = BTN_TOUCH; | 332 | btntype = BTN_TOUCH; |
328 | 333 | ||
329 | if ((did & HIL_IDD_DID_REL_MOUSE_MASK) == HIL_IDD_DID_REL_MOUSE) | 334 | if ((did & HIL_IDD_DID_REL_MOUSE_MASK) == HIL_IDD_DID_REL_MOUSE) |
330 | btntype = BTN_MOUSE; | 335 | btntype = BTN_MOUSE; |
331 | 336 | ||
@@ -341,12 +346,10 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) | |||
341 | } | 346 | } |
342 | 347 | ||
343 | if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) { | 348 | if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) { |
344 | for (i = 0; i < ptr->naxes; i++) { | 349 | for (i = 0; i < ptr->naxes; i++) |
345 | set_bit(REL_X + i, ptr->dev->relbit); | 350 | set_bit(REL_X + i, ptr->dev->relbit); |
346 | } | 351 | for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) |
347 | for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) { | ||
348 | set_bit(REL_X + i, ptr->dev->relbit); | 352 | set_bit(REL_X + i, ptr->dev->relbit); |
349 | } | ||
350 | } else { | 353 | } else { |
351 | for (i = 0; i < ptr->naxes; i++) { | 354 | for (i = 0; i < ptr->naxes; i++) { |
352 | set_bit(ABS_X + i, ptr->dev->absbit); | 355 | set_bit(ABS_X + i, ptr->dev->absbit); |
@@ -375,7 +378,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) | |||
375 | ptr->dev->id.vendor = PCI_VENDOR_ID_HP; | 378 | ptr->dev->id.vendor = PCI_VENDOR_ID_HP; |
376 | ptr->dev->id.product = 0x0001; /* TODO: get from ptr->rsc */ | 379 | ptr->dev->id.product = 0x0001; /* TODO: get from ptr->rsc */ |
377 | ptr->dev->id.version = 0x0100; /* TODO: get from ptr->rsc */ | 380 | ptr->dev->id.version = 0x0100; /* TODO: get from ptr->rsc */ |
378 | ptr->dev->cdev.dev = &serio->dev; | 381 | ptr->dev->dev.parent = &serio->dev; |
379 | 382 | ||
380 | input_register_device(ptr->dev); | 383 | input_register_device(ptr->dev); |
381 | printk(KERN_INFO "input: %s (%s), ID: %d\n", | 384 | printk(KERN_INFO "input: %s (%s), ID: %d\n", |
@@ -419,11 +422,11 @@ static int __init hil_ptr_init(void) | |||
419 | { | 422 | { |
420 | return serio_register_driver(&hil_ptr_serio_driver); | 423 | return serio_register_driver(&hil_ptr_serio_driver); |
421 | } | 424 | } |
422 | 425 | ||
423 | static void __exit hil_ptr_exit(void) | 426 | static void __exit hil_ptr_exit(void) |
424 | { | 427 | { |
425 | serio_unregister_driver(&hil_ptr_serio_driver); | 428 | serio_unregister_driver(&hil_ptr_serio_driver); |
426 | } | 429 | } |
427 | 430 | ||
428 | module_init(hil_ptr_init); | 431 | module_init(hil_ptr_init); |
429 | module_exit(hil_ptr_exit); | 432 | module_exit(hil_ptr_exit); |