summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/vc4/vc4_drv.h
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/gpu/drm/vc4/vc4_drv.h
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_drv.h')
-rw-r--r--drivers/gpu/drm/vc4/vc4_drv.h145
1 files changed, 145 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
new file mode 100644
index 000000000..fd8319fa6
--- /dev/null
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2015 Broadcom
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "drmP.h"
+#include "drm_gem_cma_helper.h"
+
+struct vc4_dev {
+ struct drm_device *dev;
+
+ struct vc4_hdmi *hdmi;
+ struct vc4_hvs *hvs;
+ struct vc4_crtc *crtc[3];
+
+ struct drm_fbdev_cma *fbdev;
+};
+
+static inline struct vc4_dev *
+to_vc4_dev(struct drm_device *dev)
+{
+ return (struct vc4_dev *)dev->dev_private;
+}
+
+struct vc4_bo {
+ struct drm_gem_cma_object base;
+};
+
+static inline struct vc4_bo *
+to_vc4_bo(struct drm_gem_object *bo)
+{
+ return (struct vc4_bo *)bo;
+}
+
+struct vc4_hvs {
+ struct platform_device *pdev;
+ void __iomem *regs;
+ void __iomem *dlist;
+};
+
+struct vc4_plane {
+ struct drm_plane base;
+};
+
+static inline struct vc4_plane *
+to_vc4_plane(struct drm_plane *plane)
+{
+ return (struct vc4_plane *)plane;
+}
+
+enum vc4_encoder_type {
+ VC4_ENCODER_TYPE_HDMI,
+ VC4_ENCODER_TYPE_VEC,
+ VC4_ENCODER_TYPE_DSI0,
+ VC4_ENCODER_TYPE_DSI1,
+ VC4_ENCODER_TYPE_SMI,
+ VC4_ENCODER_TYPE_DPI,
+};
+
+struct vc4_encoder {
+ struct drm_encoder base;
+ enum vc4_encoder_type type;
+ u32 clock_select;
+};
+
+static inline struct vc4_encoder *
+to_vc4_encoder(struct drm_encoder *encoder)
+{
+ return container_of(encoder, struct vc4_encoder, base);
+}
+
+#define HVS_READ(offset) readl(vc4->hvs->regs + offset)
+#define HVS_WRITE(offset, val) writel(val, vc4->hvs->regs + offset)
+
+/**
+ * _wait_for - magic (register) wait macro
+ *
+ * Does the right thing for modeset paths when run under kdgb or similar atomic
+ * contexts. Note that it's important that we check the condition again after
+ * having timed out, since the timeout could be due to preemption or similar and
+ * we've never had a chance to check the condition before the timeout.
+ */
+#define _wait_for(COND, MS, W) ({ \
+ unsigned long timeout__ = jiffies + msecs_to_jiffies(MS) + 1; \
+ int ret__ = 0; \
+ while (!(COND)) { \
+ if (time_after(jiffies, timeout__)) { \
+ if (!(COND)) \
+ ret__ = -ETIMEDOUT; \
+ break; \
+ } \
+ if (W && drm_can_sleep()) { \
+ msleep(W); \
+ } else { \
+ cpu_relax(); \
+ } \
+ } \
+ ret__; \
+})
+
+#define wait_for(COND, MS) _wait_for(COND, MS, 1)
+
+/* vc4_bo.c */
+void vc4_free_object(struct drm_gem_object *gem_obj);
+struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t size);
+int vc4_dumb_create(struct drm_file *file_priv,
+ struct drm_device *dev,
+ struct drm_mode_create_dumb *args);
+struct dma_buf *vc4_prime_export(struct drm_device *dev,
+ struct drm_gem_object *obj, int flags);
+
+/* vc4_crtc.c */
+extern struct platform_driver vc4_crtc_driver;
+int vc4_enable_vblank(struct drm_device *dev, unsigned int crtc_id);
+void vc4_disable_vblank(struct drm_device *dev, unsigned int crtc_id);
+void vc4_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file);
+int vc4_crtc_debugfs_regs(struct seq_file *m, void *arg);
+
+/* vc4_debugfs.c */
+int vc4_debugfs_init(struct drm_minor *minor);
+void vc4_debugfs_cleanup(struct drm_minor *minor);
+
+/* vc4_drv.c */
+void __iomem *vc4_ioremap_regs(struct platform_device *dev, int index);
+
+/* vc4_hdmi.c */
+extern struct platform_driver vc4_hdmi_driver;
+int vc4_hdmi_debugfs_regs(struct seq_file *m, void *unused);
+
+/* vc4_hvs.c */
+extern struct platform_driver vc4_hvs_driver;
+void vc4_hvs_dump_state(struct drm_device *dev);
+int vc4_hvs_debugfs_regs(struct seq_file *m, void *unused);
+
+/* vc4_kms.c */
+int vc4_kms_load(struct drm_device *dev);
+
+/* vc4_plane.c */
+struct drm_plane *vc4_plane_init(struct drm_device *dev,
+ enum drm_plane_type type);
+u32 vc4_plane_write_dlist(struct drm_plane *plane, u32 __iomem *dlist);
+u32 vc4_plane_dlist_size(struct drm_plane_state *state);