86 	unsigned short reg_val;  in imx_keypad_scan_matrix()  local
97 		reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
98 		reg_val |= 0xff00;  in imx_keypad_scan_matrix()
99 		writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
101 		reg_val = readw(keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
102 		reg_val &= ~((keypad->cols_en_mask & 0xff) << 8);  in imx_keypad_scan_matrix()
103 		writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
107 		reg_val = readw(keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
108 		reg_val |= (keypad->cols_en_mask & 0xff) << 8;  in imx_keypad_scan_matrix()
109 		writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
116 		reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
117 		reg_val &= ~(1 << (8 + col));  in imx_keypad_scan_matrix()
118 		writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
130 		reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
131 		matrix_volatile_state[col] = (~reg_val) & keypad->rows_en_mask;  in imx_keypad_scan_matrix()
138 	reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
139 	reg_val &= 0x00ff;  in imx_keypad_scan_matrix()
140 	writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
191 	unsigned short reg_val;  in imx_keypad_check_for_events()  local
262 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
263 		reg_val |= KBD_STAT_KPKD | KBD_STAT_KDSC;  in imx_keypad_check_for_events()
264 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
266 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
267 		reg_val |= KBD_STAT_KDIE;  in imx_keypad_check_for_events()
268 		reg_val &= ~KBD_STAT_KRIE;  in imx_keypad_check_for_events()
269 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
280 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
281 		reg_val |= KBD_STAT_KPKR | KBD_STAT_KRSS;  in imx_keypad_check_for_events()
282 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
284 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
285 		reg_val |= KBD_STAT_KRIE;  in imx_keypad_check_for_events()
286 		reg_val &= ~KBD_STAT_KDIE;  in imx_keypad_check_for_events()
287 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
294 	unsigned short reg_val;  in imx_keypad_irq_handler()  local
296 	reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_irq_handler()
299 	reg_val &= ~(KBD_STAT_KRIE | KBD_STAT_KDIE);  in imx_keypad_irq_handler()
301 	reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD;  in imx_keypad_irq_handler()
302 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_irq_handler()
318 	unsigned short reg_val;  in imx_keypad_config()  local
324 	reg_val = readw(keypad->mmio_base + KPCR);  in imx_keypad_config()
325 	reg_val |= keypad->rows_en_mask & 0xff;		/* rows */  in imx_keypad_config()
326 	reg_val |= (keypad->cols_en_mask & 0xff) << 8;	/* cols */  in imx_keypad_config()
327 	writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_config()
330 	reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_config()
331 	reg_val &= 0x00ff;  in imx_keypad_config()
332 	writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_config()
341 	reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_config()
342 	reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD |  in imx_keypad_config()
344 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_config()
347 	reg_val |= KBD_STAT_KDIE;  in imx_keypad_config()
348 	reg_val &= ~KBD_STAT_KRIE;  in imx_keypad_config()
349 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_config()
354 	unsigned short reg_val;  in imx_keypad_inhibit()  local
357 	reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_inhibit()
358 	reg_val &= ~(KBD_STAT_KRIE | KBD_STAT_KDIE);  in imx_keypad_inhibit()
359 	reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD;  in imx_keypad_inhibit()
360 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_inhibit()
363 	reg_val = (keypad->cols_en_mask & 0xff) << 8;  in imx_keypad_inhibit()
364 	writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_inhibit()