drm2/i915/dvo_ivch.c

31 #include "dvo.h"
162 static void ivch_dump_regs(struct intel_dvo_device *dvo);
169 static bool ivch_read(struct intel_dvo_device *dvo, int addr, uint16_t *data)
171 	struct ivch_priv *priv = dvo->dev_priv;
172 	device_t adapter = dvo->i2c_bus;
178 			.slave = dvo->slave_addr << 1,
189 			.slave = dvo->slave_addr << 1,
206 			  addr, device_get_nameunit(adapter), dvo->slave_addr);
212 static bool ivch_write(struct intel_dvo_device *dvo, int addr, uint16_t data)
214 	struct ivch_priv *priv = dvo->dev_priv;
215 	device_t adapter = dvo->i2c_bus;
218 		.slave = dvo->slave_addr << 1,
233 			  addr, device_get_nameunit(adapter), dvo->slave_addr);
240 static bool ivch_init(struct intel_dvo_device *dvo,
250 	dvo->i2c_bus = adapter;
251 	dvo->dev_priv = priv;
254 	if (!ivch_read(dvo, VR00, &temp))
262 	if ((temp & VR00_BASE_ADDRESS_MASK) != dvo->slave_addr) {
265 			  (temp & VR00_BASE_ADDRESS_MASK), dvo->slave_addr);
269 	ivch_read(dvo, VR20, &priv->width);
270 	ivch_read(dvo, VR21, &priv->height);
279 static enum drm_connector_status ivch_detect(struct intel_dvo_device *dvo)
284 static enum drm_mode_status ivch_mode_valid(struct intel_dvo_device *dvo,
294 static void ivch_dpms(struct intel_dvo_device *dvo, bool enable)
300 	if (!ivch_read(dvo, VR01, &vr01))
307 	ivch_write(dvo, VR80, backlight);
314 	ivch_write(dvo, VR01, vr01);
318 		if (!ivch_read(dvo, VR30, &vr30))
329 static bool ivch_get_hw_state(struct intel_dvo_device *dvo)
334 	if (!ivch_read(dvo, VR01, &vr01))
343 static void ivch_mode_set(struct intel_dvo_device *dvo,
364 		ivch_write(dvo, VR42, x_ratio);
365 		ivch_write(dvo, VR41, y_ratio);
372 	ivch_write(dvo, VR01, vr01);
373 	ivch_write(dvo, VR40, vr40);
375 	ivch_dump_regs(dvo);
378 static void ivch_dump_regs(struct intel_dvo_device *dvo)
382 	ivch_read(dvo, VR00, &val);
384 	ivch_read(dvo, VR01, &val);
386 	ivch_read(dvo, VR30, &val);
388 	ivch_read(dvo, VR40, &val);
392 	ivch_read(dvo, VR80, &val);
394 	ivch_read(dvo, VR81, &val);
396 	ivch_read(dvo, VR82, &val);
398 	ivch_read(dvo, VR83, &val);
400 	ivch_read(dvo, VR84, &val);
402 	ivch_read(dvo, VR85, &val);
404 	ivch_read(dvo, VR86, &val);
406 	ivch_read(dvo, VR87, &val);
408 	ivch_read(dvo, VR88, &val);
412 	ivch_read(dvo, VR8E, &val);
416 	ivch_read(dvo, VR8F, &val);
420 static void ivch_destroy(struct intel_dvo_device *dvo)
422 	struct ivch_priv *priv = dvo->dev_priv;
426 		dvo->dev_priv = NULL;