drm/i915: add structs for MIPI DSI output

The sub-encoder model is copied from DVO.

v2: Add attached_connector to struct intel_dsi.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
new file mode 100644 (file)
index 0000000..f308269
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_dsi.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _INTEL_DSI_H
+#define _INTEL_DSI_H
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include "intel_drv.h"
+
+struct intel_dsi_device {
+       unsigned int panel_id;
+       const char *name;
+       int type;
+       const struct intel_dsi_dev_ops *dev_ops;
+       void *dev_priv;
+};
+
+struct intel_dsi_dev_ops {
+       bool (*init)(struct intel_dsi_device *dsi);
+
+       /* This callback must be able to assume DSI commands can be sent */
+       void (*enable)(struct intel_dsi_device *dsi);
+
+       /* This callback must be able to assume DSI commands can be sent */
+       void (*disable)(struct intel_dsi_device *dsi);
+
+       int (*mode_valid)(struct intel_dsi_device *dsi,
+                         struct drm_display_mode *mode);
+
+       bool (*mode_fixup)(struct intel_dsi_device *dsi,
+                          const struct drm_display_mode *mode,
+                          struct drm_display_mode *adjusted_mode);
+
+       void (*mode_set)(struct intel_dsi_device *dsi,
+                        struct drm_display_mode *mode,
+                        struct drm_display_mode *adjusted_mode);
+
+       enum drm_connector_status (*detect)(struct intel_dsi_device *dsi);
+
+       bool (*get_hw_state)(struct intel_dsi_device *dev);
+
+       struct drm_display_mode *(*get_modes)(struct intel_dsi_device *dsi);
+
+       void (*destroy) (struct intel_dsi_device *dsi);
+};
+
+struct intel_dsi {
+       struct intel_encoder base;
+
+       struct intel_dsi_device dev;
+
+       struct intel_connector *attached_connector;
+
+       /* if true, use HS mode, otherwise LP */
+       bool hs;
+
+       /* virtual channel */
+       int channel;
+
+       /* number of DSI lanes */
+       unsigned int lane_count;
+
+       /* video mode pixel format for MIPI_DSI_FUNC_PRG register */
+       u32 pixel_format;
+
+       /* video mode format for MIPI_VIDEO_MODE_FORMAT register */
+       u32 video_mode_format;
+
+       /* eot for MIPI_EOT_DISABLE register */
+       u32 eot_disable;
+};
+
+static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
+{
+       return container_of(encoder, struct intel_dsi, base.base);
+}
+
+#endif /* _INTEL_DSI_H */