88 	unsigned short reg_val;  in imx_keypad_scan_matrix()  local
99 		reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
100 		reg_val |= 0xff00;  in imx_keypad_scan_matrix()
101 		writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
103 		reg_val = readw(keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
104 		reg_val &= ~((keypad->cols_en_mask & 0xff) << 8);  in imx_keypad_scan_matrix()
105 		writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
109 		reg_val = readw(keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
110 		reg_val |= (keypad->cols_en_mask & 0xff) << 8;  in imx_keypad_scan_matrix()
111 		writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_scan_matrix()
118 		reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
119 		reg_val &= ~(1 << (8 + col));  in imx_keypad_scan_matrix()
120 		writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
132 		reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
133 		matrix_volatile_state[col] = (~reg_val) & keypad->rows_en_mask;  in imx_keypad_scan_matrix()
140 	reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
141 	reg_val &= 0x00ff;  in imx_keypad_scan_matrix()
142 	writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_scan_matrix()
193 	unsigned short reg_val;  in imx_keypad_check_for_events()  local
264 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
265 		reg_val |= KBD_STAT_KPKD | KBD_STAT_KDSC;  in imx_keypad_check_for_events()
266 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
268 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
269 		reg_val |= KBD_STAT_KDIE;  in imx_keypad_check_for_events()
270 		reg_val &= ~KBD_STAT_KRIE;  in imx_keypad_check_for_events()
271 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
282 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
283 		reg_val |= KBD_STAT_KPKR | KBD_STAT_KRSS;  in imx_keypad_check_for_events()
284 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
286 		reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
287 		reg_val |= KBD_STAT_KRIE;  in imx_keypad_check_for_events()
288 		reg_val &= ~KBD_STAT_KDIE;  in imx_keypad_check_for_events()
289 		writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_check_for_events()
296 	unsigned short reg_val;  in imx_keypad_irq_handler()  local
298 	reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_irq_handler()
301 	reg_val &= ~(KBD_STAT_KRIE | KBD_STAT_KDIE);  in imx_keypad_irq_handler()
303 	reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD;  in imx_keypad_irq_handler()
304 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_irq_handler()
320 	unsigned short reg_val;  in imx_keypad_config()  local
326 	reg_val = readw(keypad->mmio_base + KPCR);  in imx_keypad_config()
327 	reg_val |= keypad->rows_en_mask & 0xff;		/* rows */  in imx_keypad_config()
328 	reg_val |= (keypad->cols_en_mask & 0xff) << 8;	/* cols */  in imx_keypad_config()
329 	writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_config()
332 	reg_val = readw(keypad->mmio_base + KPDR);  in imx_keypad_config()
333 	reg_val &= 0x00ff;  in imx_keypad_config()
334 	writew(reg_val, keypad->mmio_base + KPDR);  in imx_keypad_config()
343 	reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_config()
344 	reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD |  in imx_keypad_config()
346 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_config()
349 	reg_val |= KBD_STAT_KDIE;  in imx_keypad_config()
350 	reg_val &= ~KBD_STAT_KRIE;  in imx_keypad_config()
351 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_config()
356 	unsigned short reg_val;  in imx_keypad_inhibit()  local
359 	reg_val = readw(keypad->mmio_base + KPSR);  in imx_keypad_inhibit()
360 	reg_val &= ~(KBD_STAT_KRIE | KBD_STAT_KDIE);  in imx_keypad_inhibit()
361 	reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD;  in imx_keypad_inhibit()
362 	writew(reg_val, keypad->mmio_base + KPSR);  in imx_keypad_inhibit()
365 	reg_val = (keypad->cols_en_mask & 0xff) << 8;  in imx_keypad_inhibit()
366 	writew(reg_val, keypad->mmio_base + KPCR);  in imx_keypad_inhibit()