64 	struct drm_i915_private *dev_priv = dev->dev_private;  in intel_i2c_reset()  local
66 	I915_WRITE(dev_priv->gpio_mmio_base + GMBUS0, 0);  in intel_i2c_reset()
67 	I915_WRITE(dev_priv->gpio_mmio_base + GMBUS4, 0);  in intel_i2c_reset()
70 static void intel_i2c_quirk_set(struct drm_i915_private *dev_priv, bool enable)  in intel_i2c_quirk_set()  argument
75 	if (!IS_PINEVIEW(dev_priv->dev))  in intel_i2c_quirk_set()
88 	struct drm_i915_private *dev_priv = bus->dev_priv;  in get_reserved()  local
89 	struct drm_device *dev = dev_priv->dev;  in get_reserved()
104 	struct drm_i915_private *dev_priv = bus->dev_priv;  in get_clock()  local
114 	struct drm_i915_private *dev_priv = bus->dev_priv;  in get_data()  local
124 	struct drm_i915_private *dev_priv = bus->dev_priv;  in set_clock()  local
141 	struct drm_i915_private *dev_priv = bus->dev_priv;  in set_data()  local
161 	struct drm_i915_private *dev_priv = bus->dev_priv;  in intel_gpio_pre_xfer()  local
163 	intel_i2c_reset(dev_priv->dev);  in intel_gpio_pre_xfer()
164 	intel_i2c_quirk_set(dev_priv, true);  in intel_gpio_pre_xfer()
177 	struct drm_i915_private *dev_priv = bus->dev_priv;  in intel_gpio_post_xfer()  local
181 	intel_i2c_quirk_set(dev_priv, false);  in intel_gpio_post_xfer()
187 	struct drm_i915_private *dev_priv = bus->dev_priv;  in intel_gpio_setup()  local
193 	bus->gpio_reg = dev_priv->gpio_mmio_base + gmbus_ports[pin - 1].reg;  in intel_gpio_setup()
208 gmbus_wait_hw_status(struct drm_i915_private *dev_priv,  in gmbus_wait_hw_status()  argument
213 	int reg_offset = dev_priv->gpio_mmio_base;  in gmbus_wait_hw_status()
217 	if (!HAS_GMBUS_IRQ(dev_priv->dev))  in gmbus_wait_hw_status()
226 		prepare_to_wait(&dev_priv->gmbus_wait_queue, &wait,  in gmbus_wait_hw_status()
235 	finish_wait(&dev_priv->gmbus_wait_queue, &wait);  in gmbus_wait_hw_status()
247 gmbus_wait_idle(struct drm_i915_private *dev_priv)  in gmbus_wait_idle()  argument
250 	int reg_offset = dev_priv->gpio_mmio_base;  in gmbus_wait_idle()
254 	if (!HAS_GMBUS_IRQ(dev_priv->dev))  in gmbus_wait_idle()
260 	ret = wait_event_timeout(dev_priv->gmbus_wait_queue, C,  in gmbus_wait_idle()
273 gmbus_xfer_read_chunk(struct drm_i915_private *dev_priv,  in gmbus_xfer_read_chunk()  argument
277 	int reg_offset = dev_priv->gpio_mmio_base;  in gmbus_xfer_read_chunk()
289 		ret = gmbus_wait_hw_status(dev_priv, GMBUS_HW_RDY,  in gmbus_xfer_read_chunk()
305 gmbus_xfer_read(struct drm_i915_private *dev_priv, struct i2c_msg *msg,  in gmbus_xfer_read()  argument
316 		ret = gmbus_xfer_read_chunk(dev_priv, msg->addr,  in gmbus_xfer_read()
329 gmbus_xfer_write_chunk(struct drm_i915_private *dev_priv,  in gmbus_xfer_write_chunk()  argument
332 	int reg_offset = dev_priv->gpio_mmio_base;  in gmbus_xfer_write_chunk()
358 		ret = gmbus_wait_hw_status(dev_priv, GMBUS_HW_RDY,  in gmbus_xfer_write_chunk()
368 gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg)  in gmbus_xfer_write()  argument
378 		ret = gmbus_xfer_write_chunk(dev_priv, msg->addr, buf, len);  in gmbus_xfer_write()
404 gmbus_xfer_index_read(struct drm_i915_private *dev_priv, struct i2c_msg *msgs)  in gmbus_xfer_index_read()  argument
406 	int reg_offset = dev_priv->gpio_mmio_base;  in gmbus_xfer_index_read()
422 	ret = gmbus_xfer_read(dev_priv, &msgs[1], gmbus1_index);  in gmbus_xfer_index_read()
439 	struct drm_i915_private *dev_priv = bus->dev_priv;  in gmbus_xfer()  local
443 	intel_aux_display_runtime_get(dev_priv);  in gmbus_xfer()
444 	mutex_lock(&dev_priv->gmbus_mutex);  in gmbus_xfer()
451 	reg_offset = dev_priv->gpio_mmio_base;  in gmbus_xfer()
459 			ret = gmbus_xfer_index_read(dev_priv, &msgs[i]);  in gmbus_xfer()
462 			ret = gmbus_xfer_read(dev_priv, &msgs[i], 0);  in gmbus_xfer()
464 			ret = gmbus_xfer_write(dev_priv, &msgs[i]);  in gmbus_xfer()
472 		ret = gmbus_wait_hw_status(dev_priv, GMBUS_HW_WAIT_PHASE,  in gmbus_xfer()
490 	if (gmbus_wait_idle(dev_priv)) {  in gmbus_xfer()
514 	if (gmbus_wait_idle(dev_priv)) {  in gmbus_xfer()
556 	mutex_unlock(&dev_priv->gmbus_mutex);  in gmbus_xfer()
557 	intel_aux_display_runtime_put(dev_priv);  in gmbus_xfer()
581 	struct drm_i915_private *dev_priv = dev->dev_private;  in intel_setup_gmbus()  local
587 		dev_priv->gpio_mmio_base = PCH_GPIOA - GPIOA;  in intel_setup_gmbus()
589 		dev_priv->gpio_mmio_base = VLV_DISPLAY_BASE;  in intel_setup_gmbus()
591 		dev_priv->gpio_mmio_base = 0;  in intel_setup_gmbus()
593 	mutex_init(&dev_priv->gmbus_mutex);  in intel_setup_gmbus()
594 	init_waitqueue_head(&dev_priv->gmbus_wait_queue);  in intel_setup_gmbus()
597 		struct intel_gmbus *bus = &dev_priv->gmbus[i];  in intel_setup_gmbus()
608 		bus->dev_priv = dev_priv;  in intel_setup_gmbus()
626 	intel_i2c_reset(dev_priv->dev);  in intel_setup_gmbus()
632 		struct intel_gmbus *bus = &dev_priv->gmbus[i];  in intel_setup_gmbus()
638 struct i2c_adapter *intel_gmbus_get_adapter(struct drm_i915_private *dev_priv,  in intel_gmbus_get_adapter()  argument
644 		&dev_priv->gmbus[port - 1].adapter : NULL;  in intel_gmbus_get_adapter()
666 	struct drm_i915_private *dev_priv = dev->dev_private;  in intel_teardown_gmbus()  local
670 		struct intel_gmbus *bus = &dev_priv->gmbus[i];  in intel_teardown_gmbus()