83 	unsigned short reg_val;  in imx_keypad_scan_matrix()  local
94 		reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
95 		reg_val |= 0xff00;  in imx_keypad_scan_matrix()
96 		writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
98 		reg_val = readw(keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
99 		reg_val &= ~((keypad->cols_en_mask & 0xff) << 8);  in imx_keypad_scan_matrix()
100 		writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
104 		reg_val = readw(keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
105 		reg_val |= (keypad->cols_en_mask & 0xff) << 8;  in imx_keypad_scan_matrix()
106 		writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
113 		reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
114 		reg_val &= ~(1 << (8 + col));  in imx_keypad_scan_matrix()
115 		writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
127 		reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
128 		matrix_volatile_state[col] = (~reg_val) & keypad->rows_en_mask;  in imx_keypad_scan_matrix()
135 	reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
136 	reg_val &= 0x00ff;  in imx_keypad_scan_matrix()
137 	writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
188 	unsigned short reg_val;  in imx_keypad_check_for_events()  local
259 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
260 		reg_val |= KBD_STAT_KPKD | KBD_STAT_KDSC;  in imx_keypad_check_for_events()
261 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
263 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
264 		reg_val |= KBD_STAT_KDIE;  in imx_keypad_check_for_events()
265 		reg_val &= ~KBD_STAT_KRIE;  in imx_keypad_check_for_events()
266 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
277 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
278 		reg_val |= KBD_STAT_KPKR | KBD_STAT_KRSS;  in imx_keypad_check_for_events()
279 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
281 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
282 		reg_val |= KBD_STAT_KRIE;  in imx_keypad_check_for_events()
283 		reg_val &= ~KBD_STAT_KDIE;  in imx_keypad_check_for_events()
284 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
291 	unsigned short reg_val;  in imx_keypad_irq_handler()  local
293 	reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_irq_handler()
296 	reg_val &= ~(KBD_STAT_KRIE | KBD_STAT_KDIE);  in imx_keypad_irq_handler()
298 	reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD;  in imx_keypad_irq_handler()
299 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_irq_handler()
315 	unsigned short reg_val;  in imx_keypad_config()  local
321 	reg_val = readw(keypad->mmio_base + KPCR);  in imx_keypad_config()
322 	reg_val |= keypad->rows_en_mask & 0xff;		/* rows */  in imx_keypad_config()
323 	reg_val |= (keypad->cols_en_mask & 0xff) << 8;	/* cols */  in imx_keypad_config()
324 	writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_config()
327 	reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_config()
328 	reg_val &= 0x00ff;  in imx_keypad_config()
329 	writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_config()
338 	reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_config()
339 	reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD |  in imx_keypad_config()
341 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_config()
344 	reg_val |= KBD_STAT_KDIE;  in imx_keypad_config()
345 	reg_val &= ~KBD_STAT_KRIE;  in imx_keypad_config()
346 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_config()
351 	unsigned short reg_val;  in imx_keypad_inhibit()  local
354 	reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_inhibit()
355 	reg_val &= ~(KBD_STAT_KRIE | KBD_STAT_KDIE);  in imx_keypad_inhibit()
356 	reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD;  in imx_keypad_inhibit()
357 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_inhibit()
360 	reg_val = (keypad->cols_en_mask & 0xff) << 8;  in imx_keypad_inhibit()
361 	writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_inhibit()
522 	unsigned short reg_val = readw(kbd->mmio_base + KPSR);  in imx_kbd_noirq_suspend()  local
533 		if (reg_val & KBD_STAT_KPKD)  in imx_kbd_noirq_suspend()
534 			reg_val |= KBD_STAT_KRIE;  in imx_kbd_noirq_suspend()
535 		if (reg_val & KBD_STAT_KPKR)  in imx_kbd_noirq_suspend()
536 			reg_val |= KBD_STAT_KDIE;  in imx_kbd_noirq_suspend()
537 		writew(reg_val, kbd->mmio_base + KPSR);  in imx_kbd_noirq_suspend()