186 static void ivch_dump_regs(struct intel_dvo_device *dvo);
192 static bool ivch_read(struct intel_dvo_device *dvo, int addr, u16 *data)  in ivch_read()  argument
194 	struct ivch_priv *priv = dvo->dev_priv;  in ivch_read()
195 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ivch_read()
201 			.addr = dvo->slave_addr,  in ivch_read()
212 			.addr = dvo->slave_addr,  in ivch_read()
229 			  addr, adapter->name, dvo->slave_addr);  in ivch_read()
235 static bool ivch_write(struct intel_dvo_device *dvo, int addr, u16 data)  in ivch_write()  argument
237 	struct ivch_priv *priv = dvo->dev_priv;  in ivch_write()
238 	struct i2c_adapter *adapter = dvo->i2c_bus;  in ivch_write()
241 		.addr = dvo->slave_addr,  in ivch_write()
256 			  addr, adapter->name, dvo->slave_addr);  in ivch_write()
263 static bool ivch_init(struct intel_dvo_device *dvo,  in ivch_init()  argument
274 	dvo->i2c_bus = adapter;  in ivch_init()
275 	dvo->dev_priv = priv;  in ivch_init()
278 	if (!ivch_read(dvo, VR00, &temp))  in ivch_init()
286 	if ((temp & VR00_BASE_ADDRESS_MASK) != dvo->slave_addr) {  in ivch_init()
289 			  (temp & VR00_BASE_ADDRESS_MASK), dvo->slave_addr);  in ivch_init()
293 	ivch_read(dvo, VR20, &priv->width);  in ivch_init()
294 	ivch_read(dvo, VR21, &priv->height);  in ivch_init()
300 		ivch_read(dvo, backup_addresses[i], priv->reg_backup + i);  in ivch_init()
302 	ivch_dump_regs(dvo);  in ivch_init()
311 static enum drm_connector_status ivch_detect(struct intel_dvo_device *dvo)  in ivch_detect()  argument
316 static enum drm_mode_status ivch_mode_valid(struct intel_dvo_device *dvo,  in ivch_mode_valid()  argument
329 static void ivch_reset(struct intel_dvo_device *dvo)  in ivch_reset()  argument
331 	struct ivch_priv *priv = dvo->dev_priv;  in ivch_reset()
336 	ivch_write(dvo, VR10, 0x0000);  in ivch_reset()
339 		ivch_write(dvo, backup_addresses[i], priv->reg_backup[i]);  in ivch_reset()
343 static void ivch_dpms(struct intel_dvo_device *dvo, bool enable)  in ivch_dpms()  argument
348 	ivch_reset(dvo);  in ivch_dpms()
351 	if (!ivch_read(dvo, VR01, &vr01))  in ivch_dpms()
359 	ivch_write(dvo, VR80, backlight);  in ivch_dpms()
366 	ivch_write(dvo, VR01, vr01);  in ivch_dpms()
370 		if (!ivch_read(dvo, VR30, &vr30))  in ivch_dpms()
381 static bool ivch_get_hw_state(struct intel_dvo_device *dvo)  in ivch_get_hw_state()  argument
385 	ivch_reset(dvo);  in ivch_get_hw_state()
388 	if (!ivch_read(dvo, VR01, &vr01))  in ivch_get_hw_state()
397 static void ivch_mode_set(struct intel_dvo_device *dvo,  in ivch_mode_set()  argument
401 	struct ivch_priv *priv = dvo->dev_priv;  in ivch_mode_set()
406 	ivch_reset(dvo);  in ivch_mode_set()
428 		ivch_write(dvo, VR42, x_ratio);  in ivch_mode_set()
429 		ivch_write(dvo, VR41, y_ratio);  in ivch_mode_set()
436 	ivch_write(dvo, VR01, vr01);  in ivch_mode_set()
437 	ivch_write(dvo, VR40, vr40);  in ivch_mode_set()
440 static void ivch_dump_regs(struct intel_dvo_device *dvo)  in ivch_dump_regs()  argument
444 	ivch_read(dvo, VR00, &val);  in ivch_dump_regs()
446 	ivch_read(dvo, VR01, &val);  in ivch_dump_regs()
448 	ivch_read(dvo, VR10, &val);  in ivch_dump_regs()
450 	ivch_read(dvo, VR30, &val);  in ivch_dump_regs()
452 	ivch_read(dvo, VR40, &val);  in ivch_dump_regs()
456 	ivch_read(dvo, VR80, &val);  in ivch_dump_regs()
458 	ivch_read(dvo, VR81, &val);  in ivch_dump_regs()
460 	ivch_read(dvo, VR82, &val);  in ivch_dump_regs()
462 	ivch_read(dvo, VR83, &val);  in ivch_dump_regs()
464 	ivch_read(dvo, VR84, &val);  in ivch_dump_regs()
466 	ivch_read(dvo, VR85, &val);  in ivch_dump_regs()
468 	ivch_read(dvo, VR86, &val);  in ivch_dump_regs()
470 	ivch_read(dvo, VR87, &val);  in ivch_dump_regs()
472 	ivch_read(dvo, VR88, &val);  in ivch_dump_regs()
476 	ivch_read(dvo, VR8E, &val);  in ivch_dump_regs()
480 	ivch_read(dvo, VR8F, &val);  in ivch_dump_regs()
484 static void ivch_destroy(struct intel_dvo_device *dvo)  in ivch_destroy()  argument
486 	struct ivch_priv *priv = dvo->dev_priv;  in ivch_destroy()
490 		dvo->dev_priv = NULL;  in ivch_destroy()