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| Rev 2227 | Rev 3829 | ||
|---|---|---|---|
| Line 234... | Line 234... | ||
| 234 | }; |
234 | }; |
| 235 | 235 | ||
| 236 | 236 | ||
| 237 | int cuda_get_scancode(void) |
237 | int cuda_get_scancode(void) |
| 238 | { |
238 | { |
| - | 239 | if (cuda) { |
|
| 239 | uint8_t kind; |
240 | uint8_t kind; |
| 240 | uint8_t data[4]; |
241 | uint8_t data[4]; |
| 241 | 242 | ||
| 242 | receive_packet(&kind, 4, data); |
243 | receive_packet(&kind, 4, data); |
| 243 | 244 | ||
| 244 | if ((kind == PACKET_ADB) && (data[0] == 0x40) && (data[1] == 0x2c)) |
245 | if ((kind == PACKET_ADB) && (data[0] == 0x40) && (data[1] == 0x2c)) |
| 245 | return data[2]; |
246 | return data[2]; |
| - | 247 | } |
|
| 246 | 248 | ||
| 247 | return -1; |
249 | return -1; |
| 248 | } |
250 | } |
| 249 | 251 | ||
| 250 | static void cuda_irq_handler(irq_t *irq, void *arg, ...) |
252 | static void cuda_irq_handler(irq_t *irq, void *arg, ...) |
| Line 269... | Line 271... | ||
| 269 | 271 | ||
| 270 | 272 | ||
| 271 | /** Initialize keyboard and service interrupts using kernel routine */ |
273 | /** Initialize keyboard and service interrupts using kernel routine */ |
| 272 | void cuda_grab(void) |
274 | void cuda_grab(void) |
| 273 | { |
275 | { |
| - | 276 | if (cuda) { |
|
| 274 | ipl_t ipl = interrupts_disable(); |
277 | ipl_t ipl = interrupts_disable(); |
| 275 | spinlock_lock(&cuda_irq.lock); |
278 | spinlock_lock(&cuda_irq.lock); |
| 276 | cuda_irq.notif_cfg.notify = false; |
279 | cuda_irq.notif_cfg.notify = false; |
| 277 | spinlock_unlock(&cuda_irq.lock); |
280 | spinlock_unlock(&cuda_irq.lock); |
| 278 | interrupts_restore(ipl); |
281 | interrupts_restore(ipl); |
| 279 | } |
282 | } |
| - | 283 | } |
|
| 280 | 284 | ||
| 281 | 285 | ||
| 282 | /** Resume the former interrupt vector */ |
286 | /** Resume the former interrupt vector */ |
| 283 | void cuda_release(void) |
287 | void cuda_release(void) |
| 284 | { |
288 | { |
| - | 289 | if (cuda) { |
|
| 285 | ipl_t ipl = interrupts_disable(); |
290 | ipl_t ipl = interrupts_disable(); |
| 286 | spinlock_lock(&cuda_irq.lock); |
291 | spinlock_lock(&cuda_irq.lock); |
| 287 | if (cuda_irq.notif_cfg.answerbox) |
292 | if (cuda_irq.notif_cfg.answerbox) |
| 288 | cuda_irq.notif_cfg.notify = true; |
293 | cuda_irq.notif_cfg.notify = true; |
| 289 | spinlock_unlock(&cuda_irq.unlock); |
294 | spinlock_unlock(&cuda_irq.unlock); |
| 290 | interrupts_restore(ipl); |
295 | interrupts_restore(ipl); |
| 291 | } |
296 | } |
| - | 297 | } |
|
| 292 | 298 | ||
| 293 | 299 | ||
| 294 | void cuda_init(devno_t devno, uintptr_t base, size_t size) |
300 | void cuda_init(devno_t devno, uintptr_t base, size_t size) |
| 295 | { |
301 | { |
| 296 | cuda = (uint8_t *) hw_map(base, size); |
302 | cuda = (uint8_t *) hw_map(base, size); |
| Line 343... | Line 349... | ||
| 343 | "b 0\n" |
349 | "b 0\n" |
| 344 | ); |
350 | ); |
| 345 | } |
351 | } |
| 346 | 352 | ||
| 347 | void arch_reboot(void) { |
353 | void arch_reboot(void) { |
| - | 354 | if (cuda) |
|
| 348 | send_packet(PACKET_CUDA, 1, CUDA_RESET); |
355 | send_packet(PACKET_CUDA, 1, CUDA_RESET); |
| - | 356 | ||
| 349 | asm volatile ( |
357 | asm volatile ( |
| 350 | "b 0\n" |
358 | "b 0\n" |
| 351 | ); |
359 | ); |
| 352 | } |
360 | } |
| 353 | 361 | ||