Cross Reference: /src/sys/dev/qbus/qd.c

Lines Matching defs:scroll
134 #define MAPSCR		0x08		/* scroll param area mapped */
196  * The driver assists a client in scroll operations by loading dragon
199  * The scroll parameter structures are ALL located in the same memory page
202 char scroll_shared[2 * 512];	/* reserve space for scroll structs */
203 struct scroll *scroll[NQD];	/* pointers to scroll structures */
979 		* re-protect scroll param area and disable scroll intrpts
982 			ptep = (int *) ((VTOP(scroll[unit]) * 4)
985 			 * re-protect 512 scroll param area
1274 		* map the shared scroll param area and enable scroll interpts
1277 		ptep = (int *) ((VTOP(scroll[unit]) * 4)
1280 		 * allow user write to scroll area
1284 		scroll[unit]->status = 0;
1288 		*(int *)datap = (int) scroll[unit]; /* return scroll area */
1293 		* unmap shared scroll param area and disable scroll intrpts
1297 			ptep = (int *) ((VTOP(scroll[unit]) * 4)
1300 			 * re-protect 512 scroll param area
2246 	* service the scroll interrupt (FRAME_SYNC bit)
2251 		if (scroll[unit]->status & LOAD_REGS) {
2263 			adder->ID_scroll_data = scroll[unit]->viper_constant;
2267 				scroll[unit]->y_scroll_constant;
2268 			adder->y_offset_pending = scroll[unit]->y_offset;
2270 			if (scroll[unit]->status & LOAD_INDEX) {
2273 					scroll[unit]->x_index_pending;
2275 					scroll[unit]->y_index_pending;
2278 			scroll[unit]->status = 0x00;
2877  *   Clear the bitmap a piece at a time. Since the fast scroll clear
3330 	* assign a pointer to the scroll structure for this QDSS.
3332 	scroll[unit] = (struct scroll *)
3334 		+ (sizeof(struct scroll) * unit));
3335 	scroll[unit]->status = 0;
3336 	scroll[unit]->viper_constant = 0;
3337 	scroll[unit]->y_scroll_constant = 0;
3338 	scroll[unit]->y_offset = 0;
3339 	scroll[unit]->x_index_pending = 0;
3340 	scroll[unit]->y_index_pending = 0;
3408 		 * wait for scroll service.  This guarantees at least one SYNC
OpenGrok
