Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / gma500 / gma_display.h

diff --git a/kernel/drivers/gpu/drm/gma500/gma_display.h b/kernel/drivers/gpu/drm/gma500/gma_display.h
new file mode 100644 (file)
index 0000000..ed569d8
--- /dev/null
+++ b/kernel/drivers/gpu/drm/gma500/gma_display.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright © 2006-2011 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ *     Eric Anholt <eric@anholt.net>
+ *     Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
+ */
+
+#ifndef _GMA_DISPLAY_H_
+#define _GMA_DISPLAY_H_
+
+#include <linux/pm_runtime.h>
+
+struct gma_clock_t {
+       /* given values */
+       int n;
+       int m1, m2;
+       int p1, p2;
+       /* derived values */
+       int dot;
+       int vco;
+       int m;
+       int p;
+};
+
+struct gma_range_t {
+       int min, max;
+};
+
+struct gma_p2_t {
+       int dot_limit;
+       int p2_slow, p2_fast;
+};
+
+struct gma_limit_t {
+       struct gma_range_t dot, vco, n, m, m1, m2, p, p1;
+       struct gma_p2_t p2;
+       bool (*find_pll)(const struct gma_limit_t *, struct drm_crtc *,
+                        int target, int refclk,
+                        struct gma_clock_t *best_clock);
+};
+
+struct gma_clock_funcs {
+       void (*clock)(int refclk, struct gma_clock_t *clock);
+       const struct gma_limit_t *(*limit)(struct drm_crtc *crtc, int refclk);
+       bool (*pll_is_valid)(struct drm_crtc *crtc,
+                            const struct gma_limit_t *limit,
+                            struct gma_clock_t *clock);
+};
+
+/* Common pipe related functions */
+extern bool gma_pipe_has_type(struct drm_crtc *crtc, int type);
+extern void gma_wait_for_vblank(struct drm_device *dev);
+extern int gma_pipe_set_base(struct drm_crtc *crtc, int x, int y,
+                            struct drm_framebuffer *old_fb);
+extern int gma_crtc_cursor_set(struct drm_crtc *crtc,
+                              struct drm_file *file_priv,
+                              uint32_t handle,
+                              uint32_t width, uint32_t height);
+extern int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
+extern void gma_crtc_load_lut(struct drm_crtc *crtc);
+extern void gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
+                              u16 *blue, u32 start, u32 size);
+extern void gma_crtc_dpms(struct drm_crtc *crtc, int mode);
+extern bool gma_crtc_mode_fixup(struct drm_crtc *crtc,
+                               const struct drm_display_mode *mode,
+                               struct drm_display_mode *adjusted_mode);
+extern void gma_crtc_prepare(struct drm_crtc *crtc);
+extern void gma_crtc_commit(struct drm_crtc *crtc);
+extern void gma_crtc_disable(struct drm_crtc *crtc);
+extern void gma_crtc_destroy(struct drm_crtc *crtc);
+extern int gma_crtc_set_config(struct drm_mode_set *set);
+
+extern void gma_crtc_save(struct drm_crtc *crtc);
+extern void gma_crtc_restore(struct drm_crtc *crtc);
+
+extern void gma_encoder_prepare(struct drm_encoder *encoder);
+extern void gma_encoder_commit(struct drm_encoder *encoder);
+extern void gma_encoder_destroy(struct drm_encoder *encoder);
+extern bool gma_encoder_mode_fixup(struct drm_encoder *encoder,
+                                  const struct drm_display_mode *mode,
+                                  struct drm_display_mode *adjusted_mode);
+
+/* Common clock related functions */
+extern const struct gma_limit_t *gma_limit(struct drm_crtc *crtc, int refclk);
+extern void gma_clock(int refclk, struct gma_clock_t *clock);
+extern bool gma_pll_is_valid(struct drm_crtc *crtc,
+                            const struct gma_limit_t *limit,
+                            struct gma_clock_t *clock);
+extern bool gma_find_best_pll(const struct gma_limit_t *limit,
+                             struct drm_crtc *crtc, int target, int refclk,
+                             struct gma_clock_t *best_clock);
+#endif