159 static void ivch_dump_regs(struct intel_dvo_device *dvo);
166 static bool ivch_read(struct intel_dvo_device *dvo, int addr, uint16_t *data)  in ivch_read()  argument
168 	struct ivch_priv *priv = dvo->dev_priv;  in ivch_read()
169 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ivch_read()
175 			.addr = dvo->slave_addr,  in ivch_read()
186 			.addr = dvo->slave_addr,  in ivch_read()
203 			  addr, adapter->name, dvo->slave_addr);  in ivch_read()
209 static bool ivch_write(struct intel_dvo_device *dvo, int addr, uint16_t data)  in ivch_write()  argument
211 	struct ivch_priv *priv = dvo->dev_priv;  in ivch_write()
212 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ivch_write()
215 		.addr = dvo->slave_addr,  in ivch_write()
230 			  addr, adapter->name, dvo->slave_addr);  in ivch_write()
237 static bool ivch_init(struct intel_dvo_device *dvo,  in ivch_init()  argument
247 	dvo->i2c_bus = adapter;  in ivch_init()
248 	dvo->dev_priv = priv;  in ivch_init()
251 	if (!ivch_read(dvo, VR00, &temp))  in ivch_init()
259 	if ((temp & VR00_BASE_ADDRESS_MASK) != dvo->slave_addr) {  in ivch_init()
262 			  (temp & VR00_BASE_ADDRESS_MASK), dvo->slave_addr);  in ivch_init()
266 	ivch_read(dvo, VR20, &priv->width);  in ivch_init()
267 	ivch_read(dvo, VR21, &priv->height);  in ivch_init()
276 static enum drm_connector_status ivch_detect(struct intel_dvo_device *dvo)  in ivch_detect()  argument
281 static enum drm_mode_status ivch_mode_valid(struct intel_dvo_device *dvo,  in ivch_mode_valid()  argument
291 static void ivch_dpms(struct intel_dvo_device *dvo, bool enable)  in ivch_dpms()  argument
297 	if (!ivch_read(dvo, VR01, &vr01))  in ivch_dpms()
304 	ivch_write(dvo, VR80, backlight);  in ivch_dpms()
311 	ivch_write(dvo, VR01, vr01);  in ivch_dpms()
315 		if (!ivch_read(dvo, VR30, &vr30))  in ivch_dpms()
326 static bool ivch_get_hw_state(struct intel_dvo_device *dvo)  in ivch_get_hw_state()  argument
331 	if (!ivch_read(dvo, VR01, &vr01))  in ivch_get_hw_state()
340 static void ivch_mode_set(struct intel_dvo_device *dvo,  in ivch_mode_set()  argument
361 		ivch_write(dvo, VR42, x_ratio);  in ivch_mode_set()
362 		ivch_write(dvo, VR41, y_ratio);  in ivch_mode_set()
369 	ivch_write(dvo, VR01, vr01);  in ivch_mode_set()
370 	ivch_write(dvo, VR40, vr40);  in ivch_mode_set()
372 	ivch_dump_regs(dvo);  in ivch_mode_set()
375 static void ivch_dump_regs(struct intel_dvo_device *dvo)  in ivch_dump_regs()  argument
379 	ivch_read(dvo, VR00, &val);  in ivch_dump_regs()
381 	ivch_read(dvo, VR01, &val);  in ivch_dump_regs()
383 	ivch_read(dvo, VR30, &val);  in ivch_dump_regs()
385 	ivch_read(dvo, VR40, &val);  in ivch_dump_regs()
389 	ivch_read(dvo, VR80, &val);  in ivch_dump_regs()
391 	ivch_read(dvo, VR81, &val);  in ivch_dump_regs()
393 	ivch_read(dvo, VR82, &val);  in ivch_dump_regs()
395 	ivch_read(dvo, VR83, &val);  in ivch_dump_regs()
397 	ivch_read(dvo, VR84, &val);  in ivch_dump_regs()
399 	ivch_read(dvo, VR85, &val);  in ivch_dump_regs()
401 	ivch_read(dvo, VR86, &val);  in ivch_dump_regs()
403 	ivch_read(dvo, VR87, &val);  in ivch_dump_regs()
405 	ivch_read(dvo, VR88, &val);  in ivch_dump_regs()
409 	ivch_read(dvo, VR8E, &val);  in ivch_dump_regs()
413 	ivch_read(dvo, VR8F, &val);  in ivch_dump_regs()
417 static void ivch_destroy(struct intel_dvo_device *dvo)  in ivch_destroy()  argument
419 	struct ivch_priv *priv = dvo->dev_priv;  in ivch_destroy()
423 		dvo->dev_priv = NULL;  in ivch_destroy()