138 static void wm9705_phy_init(struct wm97xx *wm)  in wm9705_phy_init()  argument
146 	wm97xx_reg_write(wm, AC97_AUX, 0x8000);  in wm9705_phy_init()
147 	wm97xx_reg_write(wm, AC97_VIDEO, 0x8000);  in wm9705_phy_init()
152 		dev_dbg(wm->dev,  in wm9705_phy_init()
155 		dev_dbg(wm->dev,  in wm9705_phy_init()
163 			dev_dbg(wm->dev, "supplied delay out of range.");  in wm9705_phy_init()
169 	dev_dbg(wm->dev, "setting adc sample delay to %d u Secs.",  in wm9705_phy_init()
174 	dev_dbg(wm->dev, "setting pdd to Vmid/%d", 1 - (pdd & 0x000f));  in wm9705_phy_init()
179 	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, dig1);  in wm9705_phy_init()
180 	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, dig2);  in wm9705_phy_init()
183 static void wm9705_dig_enable(struct wm97xx *wm, int enable)  in wm9705_dig_enable()  argument
186 		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2,  in wm9705_dig_enable()
187 				 wm->dig[2] | WM97XX_PRP_DET_DIG);  in wm9705_dig_enable()
188 		wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD); /* dummy read */  in wm9705_dig_enable()
190 		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2,  in wm9705_dig_enable()
191 				 wm->dig[2] & ~WM97XX_PRP_DET_DIG);  in wm9705_dig_enable()
194 static void wm9705_aux_prepare(struct wm97xx *wm)  in wm9705_aux_prepare()  argument
196 	memcpy(wm->dig_save, wm->dig, sizeof(wm->dig));  in wm9705_aux_prepare()
197 	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, 0);  in wm9705_aux_prepare()
198 	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, WM97XX_PRP_DET_DIG);  in wm9705_aux_prepare()
201 static void wm9705_dig_restore(struct wm97xx *wm)  in wm9705_dig_restore()  argument
203 	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, wm->dig_save[1]);  in wm9705_dig_restore()
204 	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, wm->dig_save[2]);  in wm9705_dig_restore()
207 static inline int is_pden(struct wm97xx *wm)  in is_pden()  argument
209 	return wm->dig[2] & WM9705_PDEN;  in is_pden()
215 static int wm9705_poll_sample(struct wm97xx *wm, int adcsel, int *sample)  in wm9705_poll_sample()  argument
220 	if (wants_pen && !wm->pen_probably_down) {  in wm9705_poll_sample()
221 		u16 data = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);  in wm9705_poll_sample()
224 		wm->pen_probably_down = 1;  in wm9705_poll_sample()
228 	if (wm->mach_ops && wm->mach_ops->pre_sample)  in wm9705_poll_sample()
229 		wm->mach_ops->pre_sample(adcsel);  in wm9705_poll_sample()
230 	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, (adcsel & WM97XX_ADCSEL_MASK)  in wm9705_poll_sample()
237 	while ((wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER1) & WM97XX_POLL)  in wm9705_poll_sample()
245 		if (is_pden(wm))  in wm9705_poll_sample()
246 			wm->pen_probably_down = 0;  in wm9705_poll_sample()
248 			dev_dbg(wm->dev, "adc sample timeout");  in wm9705_poll_sample()
252 	*sample = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);  in wm9705_poll_sample()
253 	if (wm->mach_ops && wm->mach_ops->post_sample)  in wm9705_poll_sample()
254 		wm->mach_ops->post_sample(adcsel);  in wm9705_poll_sample()
258 		dev_dbg(wm->dev, "adc wrong sample, wanted %x got %x",  in wm9705_poll_sample()
265 		wm->pen_probably_down = 0;  in wm9705_poll_sample()
275 static int wm9705_poll_touch(struct wm97xx *wm, struct wm97xx_data *data)  in wm9705_poll_touch()  argument
279 	rc = wm9705_poll_sample(wm, WM97XX_ADCSEL_X | WM97XX_PEN_DOWN, &data->x);  in wm9705_poll_touch()
282 	rc = wm9705_poll_sample(wm, WM97XX_ADCSEL_Y | WM97XX_PEN_DOWN, &data->y);  in wm9705_poll_touch()
286 		rc = wm9705_poll_sample(wm, WM97XX_ADCSEL_PRES | WM97XX_PEN_DOWN, &data->p);  in wm9705_poll_touch()
299 static int wm9705_acc_enable(struct wm97xx *wm, int enable)  in wm9705_acc_enable()  argument
304 	dig1 = wm->dig[1];  in wm9705_acc_enable()
305 	dig2 = wm->dig[2];  in wm9705_acc_enable()
309 		if (wm->mach_ops->acc_startup &&  in wm9705_acc_enable()
310 		    (ret = wm->mach_ops->acc_startup(wm)) < 0)  in wm9705_acc_enable()
316 			WM97XX_SLT(wm->acc_slot) |  in wm9705_acc_enable()
317 			WM97XX_RATE(wm->acc_rate);  in wm9705_acc_enable()
324 		if (wm->mach_ops->acc_shutdown)  in wm9705_acc_enable()
325 			wm->mach_ops->acc_shutdown(wm);  in wm9705_acc_enable()
328 	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, dig1);  in wm9705_acc_enable()
329 	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, dig2);  in wm9705_acc_enable()