Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / i915 / dvo.h

diff --git a/kernel/drivers/gpu/drm/i915/dvo.h b/kernel/drivers/gpu/drm/i915/dvo.h
new file mode 100644 (file)
index 0000000..3121633
--- /dev/null
+++ b/kernel/drivers/gpu/drm/i915/dvo.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright © 2006 Eric Anholt
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifndef _INTEL_DVO_H
+#define _INTEL_DVO_H
+
+#include <linux/i2c.h>
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include "intel_drv.h"
+
+struct intel_dvo_device {
+       const char *name;
+       int type;
+       /* DVOA/B/C output register */
+       u32 dvo_reg;
+       /* GPIO register used for i2c bus to control this device */
+       u32 gpio;
+       int slave_addr;
+
+       const struct intel_dvo_dev_ops *dev_ops;
+       void *dev_priv;
+       struct i2c_adapter *i2c_bus;
+};
+
+struct intel_dvo_dev_ops {
+       /*
+        * Initialize the device at startup time.
+        * Returns NULL if the device does not exist.
+        */
+       bool (*init)(struct intel_dvo_device *dvo,
+                    struct i2c_adapter *i2cbus);
+
+       /*
+        * Called to allow the output a chance to create properties after the
+        * RandR objects have been created.
+        */
+       void (*create_resources)(struct intel_dvo_device *dvo);
+
+       /*
+        * Turn on/off output.
+        *
+        * Because none of our dvo drivers support an intermediate power levels,
+        * we don't expose this in the interfac.
+        */
+       void (*dpms)(struct intel_dvo_device *dvo, bool enable);
+
+       /*
+        * Callback for testing a video mode for a given output.
+        *
+        * This function should only check for cases where a mode can't
+        * be supported on the output specifically, and not represent
+        * generic CRTC limitations.
+        *
+        * \return MODE_OK if the mode is valid, or another MODE_* otherwise.
+        */
+       int (*mode_valid)(struct intel_dvo_device *dvo,
+                         struct drm_display_mode *mode);
+
+       /*
+        * Callback for preparing mode changes on an output
+        */
+       void (*prepare)(struct intel_dvo_device *dvo);
+
+       /*
+        * Callback for committing mode changes on an output
+        */
+       void (*commit)(struct intel_dvo_device *dvo);
+
+       /*
+        * Callback for setting up a video mode after fixups have been made.
+        *
+        * This is only called while the output is disabled.  The dpms callback
+        * must be all that's necessary for the output, to turn the output on
+        * after this function is called.
+        */
+       void (*mode_set)(struct intel_dvo_device *dvo,
+                        struct drm_display_mode *mode,
+                        struct drm_display_mode *adjusted_mode);
+
+       /*
+        * Probe for a connected output, and return detect_status.
+        */
+       enum drm_connector_status (*detect)(struct intel_dvo_device *dvo);
+
+       /*
+        * Probe the current hw status, returning true if the connected output
+        * is active.
+        */
+       bool (*get_hw_state)(struct intel_dvo_device *dev);
+
+       /**
+        * Query the device for the modes it provides.
+        *
+        * This function may also update MonInfo, mm_width, and mm_height.
+        *
+        * \return singly-linked list of modes or NULL if no modes found.
+        */
+       struct drm_display_mode *(*get_modes)(struct intel_dvo_device *dvo);
+
+       /**
+        * Clean up driver-specific bits of the output
+        */
+       void (*destroy) (struct intel_dvo_device *dvo);
+
+       /**
+        * Debugging hook to dump device registers to log file
+        */
+       void (*dump_regs)(struct intel_dvo_device *dvo);
+};
+
+extern struct intel_dvo_dev_ops sil164_ops;
+extern struct intel_dvo_dev_ops ch7xxx_ops;
+extern struct intel_dvo_dev_ops ivch_ops;
+extern struct intel_dvo_dev_ops tfp410_ops;
+extern struct intel_dvo_dev_ops ch7017_ops;
+extern struct intel_dvo_dev_ops ns2501_ops;
+
+#endif /* _INTEL_DVO_H */